diff options
Diffstat (limited to 'sd/source/ui/slidesorter/controller')
20 files changed, 8567 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/controller/SlideSorterController.cxx b/sd/source/ui/slidesorter/controller/SlideSorterController.cxx new file mode 100644 index 000000000..5c851f183 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlideSorterController.cxx @@ -0,0 +1,910 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlideSorterController.hxx> + +#include <SlideSorter.hxx> +#include <controller/SlsPageSelector.hxx> +#include <controller/SlsSelectionFunction.hxx> +#include <controller/SlsProperties.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include "SlsListener.hxx" +#include <controller/SlsFocusManager.hxx> +#include <controller/SlsAnimator.hxx> +#include <controller/SlsClipboard.hxx> +#include <controller/SlsInsertionIndicatorHandler.hxx> +#include <controller/SlsScrollBarManager.hxx> +#include <controller/SlsSelectionManager.hxx> +#include <controller/SlsSlotManager.hxx> +#include <controller/SlsVisibleAreaManager.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageEnumerationProvider.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <view/SlideSorterView.hxx> +#include <view/SlsLayouter.hxx> +#include <view/SlsPageObjectLayouter.hxx> +#include <view/SlsTheme.hxx> +#include <view/SlsToolTip.hxx> +#include <cache/SlsPageCache.hxx> +#include <cache/SlsPageCacheManager.hxx> +#include <tools/diagnose_ex.h> + +#include <drawdoc.hxx> +#include <ViewShellBase.hxx> +#include <Window.hxx> +#include <FrameView.hxx> +#include <sdpage.hxx> + +#include <app.hrc> +#include <sdmod.hxx> +#include <ViewShellHint.hxx> +#include <AccessibleSlideSorterView.hxx> +#include <AccessibleSlideSorterObject.hxx> + +#include <vcl/window.hxx> +#include <svx/svxids.hrc> +#include <sfx2/request.hxx> +#include <sfx2/viewfrm.hxx> +#include <sfx2/dispatch.hxx> +#include <tools/debug.hxx> +#include <vcl/commandevent.hxx> +#include <vcl/svapp.hxx> +#include <vcl/settings.hxx> + +#include <com/sun/star/lang/XComponent.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> + +#include <memory> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::sd::slidesorter::model; +using namespace ::sd::slidesorter::view; +using namespace ::sd::slidesorter::controller; +using namespace ::basegfx; + +namespace sd::slidesorter::controller { + +SlideSorterController::SlideSorterController (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + mrModel(mrSlideSorter.GetModel()), + mrView(mrSlideSorter.GetView()), + mpInsertionIndicatorHandler(std::make_shared<InsertionIndicatorHandler>(rSlideSorter)), + mpAnimator(std::make_shared<Animator>(rSlideSorter)), + mpVisibleAreaManager(new VisibleAreaManager(rSlideSorter)), + mnModelChangeLockCount(0), + mbIsForcedRearrangePending(false), + mbContextMenuOpen(false), + mbPostModelChangePending(false), + mnCurrentPageBeforeSwitch(0), + mpEditModeChangeMasterPage(nullptr), + mnPaintEntranceCount(0) +{ + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + OSL_ASSERT(pWindow); + if (!pWindow) + return; + + // The whole background is painted by the view and controls. + vcl::Window* pParentWindow = pWindow->GetParent(); + OSL_ASSERT(pParentWindow!=nullptr); + pParentWindow->SetBackground (Wallpaper()); + + // Connect the view with the window that has been created by our base + // class. + pWindow->SetBackground(Wallpaper()); + pWindow->SetCenterAllowed(false); + pWindow->SetMapMode(MapMode(MapUnit::MapPixel)); + pWindow->SetViewSize(mrView.GetModelArea().GetSize()); +} + +void SlideSorterController::Init() +{ + mpCurrentSlideManager = std::make_shared<CurrentSlideManager>(mrSlideSorter); + mpPageSelector.reset(new PageSelector(mrSlideSorter)); + mpFocusManager.reset(new FocusManager(mrSlideSorter)); + mpSlotManager = std::make_shared<SlotManager>(mrSlideSorter); + mpScrollBarManager.reset(new ScrollBarManager(mrSlideSorter)); + mpSelectionManager = std::make_shared<SelectionManager>(mrSlideSorter); + mpClipboard.reset(new Clipboard(mrSlideSorter)); + + // Create the selection function. + SfxRequest aRequest ( + SID_OBJECT_SELECT, + SfxCallMode::SLOT, + mrModel.GetDocument()->GetItemPool()); + mrSlideSorter.SetCurrentFunction(CreateSelectionFunction(aRequest)); + + mpListener = new Listener(mrSlideSorter); + + mpPageSelector->GetCoreSelection(); + GetSelectionManager()->SelectionHasChanged(); +} + +SlideSorterController::~SlideSorterController() +{ + try + { + uno::Reference<lang::XComponent> xComponent = mpListener; + if (xComponent.is()) + xComponent->dispose(); + } + catch( uno::Exception& ) + { + TOOLS_WARN_EXCEPTION( "sd", "sd::SlideSorterController::~SlideSorterController()" ); + } + + // dispose should have been called by now so that nothing is to be done + // to shut down cleanly. +} + +void SlideSorterController::Dispose() +{ + mpInsertionIndicatorHandler->End(Animator::AM_Immediate); + mpClipboard.reset(); + mpSelectionManager.reset(); + mpAnimator->Dispose(); +} + +model::SharedPageDescriptor SlideSorterController::GetPageAt ( + const Point& aWindowPosition) +{ + sal_Int32 nHitPageIndex (mrView.GetPageIndexAtPoint(aWindowPosition)); + model::SharedPageDescriptor pDescriptorAtPoint; + if (nHitPageIndex >= 0) + { + pDescriptorAtPoint = mrModel.GetPageDescriptor(nHitPageIndex); + + // Depending on a property we may have to check that the mouse is no + // just over the page object but over the preview area. + if (pDescriptorAtPoint + && ! pDescriptorAtPoint->HasState(PageDescriptor::ST_Selected)) + { + // Make sure that the mouse is over the preview area. + if ( ! mrView.GetLayouter().GetPageObjectLayouter()->GetBoundingBox( + pDescriptorAtPoint, + view::PageObjectLayouter::Part::Preview, + view::PageObjectLayouter::WindowCoordinateSystem).Contains(aWindowPosition)) + { + pDescriptorAtPoint.reset(); + } + } + } + + return pDescriptorAtPoint; +} + +PageSelector& SlideSorterController::GetPageSelector() +{ + OSL_ASSERT(mpPageSelector != nullptr); + return *mpPageSelector; +} + +FocusManager& SlideSorterController::GetFocusManager() +{ + OSL_ASSERT(mpFocusManager != nullptr); + return *mpFocusManager; +} + +Clipboard& SlideSorterController::GetClipboard() +{ + OSL_ASSERT(mpClipboard != nullptr); + return *mpClipboard; +} + +ScrollBarManager& SlideSorterController::GetScrollBarManager() +{ + OSL_ASSERT(mpScrollBarManager != nullptr); + return *mpScrollBarManager; +} + +std::shared_ptr<CurrentSlideManager> const & SlideSorterController::GetCurrentSlideManager() const +{ + OSL_ASSERT(mpCurrentSlideManager != nullptr); + return mpCurrentSlideManager; +} + +std::shared_ptr<SlotManager> const & SlideSorterController::GetSlotManager() const +{ + OSL_ASSERT(mpSlotManager != nullptr); + return mpSlotManager; +} + +std::shared_ptr<SelectionManager> const & SlideSorterController::GetSelectionManager() const +{ + OSL_ASSERT(mpSelectionManager != nullptr); + return mpSelectionManager; +} + +std::shared_ptr<InsertionIndicatorHandler> const & + SlideSorterController::GetInsertionIndicatorHandler() const +{ + OSL_ASSERT(mpInsertionIndicatorHandler != nullptr); + return mpInsertionIndicatorHandler; +} + +void SlideSorterController::Paint ( + const ::tools::Rectangle& rBBox, + vcl::Window* pWindow) +{ + if (mnPaintEntranceCount != 0) + return; + + ++mnPaintEntranceCount; + + try + { + mrView.CompleteRedraw(pWindow->GetOutDev(), vcl::Region(rBBox)); + } + catch (const Exception&) + { + // Ignore all exceptions. + } + + --mnPaintEntranceCount; +} + +void SlideSorterController::FuTemporary (SfxRequest& rRequest) +{ + mpSlotManager->FuTemporary (rRequest); +} + +void SlideSorterController::FuPermanent (SfxRequest &rRequest) +{ + mpSlotManager->FuPermanent (rRequest); +} + +void SlideSorterController::FuSupport (SfxRequest &rRequest) +{ + mpSlotManager->FuSupport (rRequest); +} + +bool SlideSorterController::Command ( + const CommandEvent& rEvent, + ::sd::Window* pWindow) +{ + bool bEventHasBeenHandled = false; + + if (pWindow == nullptr) + return false; + + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + if (pViewShell == nullptr) + return false; + + switch (rEvent.GetCommand()) + { + case CommandEventId::ContextMenu: + { + SdPage* pPage = nullptr; + OUString aPopupId; + + model::PageEnumeration aSelectedPages ( + PageEnumerationProvider::CreateSelectedPagesEnumeration(mrModel)); + if (aSelectedPages.HasMoreElements()) + pPage = aSelectedPages.GetNextElement()->GetPage(); + + if (mrModel.GetEditMode() == EditMode::Page) + { + if (pPage != nullptr) + aPopupId = "pagepane"; + else + aPopupId = "pagepanenosel"; + } + else if (pPage != nullptr) + aPopupId = "pagepanemaster"; + else + aPopupId = "pagepanenoselmaster"; + + std::unique_ptr<InsertionIndicatorHandler::ForceShowContext, o3tl::default_delete<InsertionIndicatorHandler::ForceShowContext>> xContext; + if (pPage == nullptr) + { + // When there is no selection, then we show the insertion + // indicator so that the user knows where a page insertion + // would take place. + mpInsertionIndicatorHandler->Start(false); + mpInsertionIndicatorHandler->UpdateIndicatorIcon(SD_MOD()->pTransferClip); + mpInsertionIndicatorHandler->UpdatePosition( + pWindow->PixelToLogic(rEvent.GetMousePosPixel()), + InsertionIndicatorHandler::MoveMode); + xContext.reset(new InsertionIndicatorHandler::ForceShowContext( + mpInsertionIndicatorHandler)); + } + + pWindow->ReleaseMouse(); + + Point aMenuLocation (0,0); + if (!rEvent.IsMouseEvent()) + { + // The event is not a mouse event. Use the center of the + // focused page as top left position of the context menu. + model::SharedPageDescriptor pDescriptor ( + GetFocusManager().GetFocusedPageDescriptor()); + if (pDescriptor) + { + ::tools::Rectangle aBBox ( + mrView.GetLayouter().GetPageObjectLayouter()->GetBoundingBox ( + pDescriptor, + PageObjectLayouter::Part::PageObject, + PageObjectLayouter::ModelCoordinateSystem)); + aMenuLocation = aBBox.Center(); + } + } + + if (SfxDispatcher* pDispatcher = pViewShell->GetDispatcher()) + { + mbContextMenuOpen = true; + if (!rEvent.IsMouseEvent()) + pDispatcher->ExecutePopup(aPopupId, pWindow, &aMenuLocation); + else + pDispatcher->ExecutePopup(aPopupId, pWindow); + mbContextMenuOpen = false; + mrSlideSorter.GetView().UpdatePageUnderMouse(); + ::rtl::Reference<SelectionFunction> pFunction(GetCurrentSelectionFunction()); + if (pFunction.is()) + pFunction->ResetMouseAnchor(); + } + if (pPage == nullptr) + { + // Remember the position of the insertion indicator before + // it is hidden, so that a pending slide insertion slot call + // finds the right place to insert a new slide. + GetSelectionManager()->SetInsertionPosition( + GetInsertionIndicatorHandler()->GetInsertionPageIndex()); + } + xContext.reset(); + bEventHasBeenHandled = true; + } + break; + + case CommandEventId::Wheel: + { + const CommandWheelData* pData = rEvent.GetWheelData(); + if (pData == nullptr) + return false; + if (pData->IsMod1()) + { + // We do not support zooming with control+mouse wheel. + return false; + } + // Determine whether to scroll horizontally or vertically. This + // depends on the orientation of the scroll bar and the + // IsHoriz() flag of the event. + if ((mrSlideSorter.GetView().GetOrientation()==view::Layouter::HORIZONTAL) + == pData->IsHorz()) + { + GetScrollBarManager().Scroll( + ScrollBarManager::Orientation_Vertical, + -pData->GetNotchDelta()); + } + else + { + GetScrollBarManager().Scroll( + ScrollBarManager::Orientation_Horizontal, + -pData->GetNotchDelta()); + } + mrSlideSorter.GetView().UpdatePageUnderMouse(rEvent.GetMousePosPixel()); + + bEventHasBeenHandled = true; + } + break; + + default: break; + } + + return bEventHasBeenHandled; +} + +void SlideSorterController::LockModelChange() +{ + mnModelChangeLockCount += 1; +} + +void SlideSorterController::UnlockModelChange() +{ + mnModelChangeLockCount -= 1; + if (mnModelChangeLockCount==0 && mbPostModelChangePending) + { + PostModelChange(); + } +} + +void SlideSorterController::PreModelChange() +{ + // Prevent PreModelChange to execute more than once per model lock. + if (mbPostModelChangePending) + return; + + if (mrSlideSorter.GetViewShell() != nullptr) + mrSlideSorter.GetViewShell()->Broadcast( + ViewShellHint(ViewShellHint::HINT_COMPLEX_MODEL_CHANGE_START)); + + GetCurrentSlideManager()->PrepareModelChange(); + + if (mrSlideSorter.GetContentWindow()) + mrView.PreModelChange(); + + mbPostModelChangePending = true; +} + +void SlideSorterController::PostModelChange() +{ + mbPostModelChangePending = false; + mrModel.Resync(); + + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + if (pWindow) + { + GetCurrentSlideManager()->HandleModelChange(); + + mrView.PostModelChange (); + + pWindow->SetViewOrigin (Point (0,0)); + pWindow->SetViewSize (mrView.GetModelArea().GetSize()); + + // The visibility of the scroll bars may have to be changed. Then + // the size of the view has to change, too. Let Rearrange() handle + // that. + Rearrange(mbIsForcedRearrangePending); + } + + if (mrSlideSorter.GetViewShell() != nullptr) + mrSlideSorter.GetViewShell()->Broadcast( + ViewShellHint(ViewShellHint::HINT_COMPLEX_MODEL_CHANGE_END)); +} + +void SlideSorterController::HandleModelChange() +{ + // Ignore this call when the document is not in a valid state, i.e. has + // not the same number of regular and notes pages. + bool bIsDocumentValid = (mrModel.GetDocument()->GetPageCount() % 2 == 1); + + if (bIsDocumentValid) + { + ModelChangeLock aLock (*this); + PreModelChange(); + } +} + +IMPL_LINK(SlideSorterController, ApplicationEventHandler, VclSimpleEvent&, rEvent, void) +{ + auto windowEvent = dynamic_cast<VclWindowEvent *>(&rEvent); + if (windowEvent != nullptr) { + WindowEventHandler(*windowEvent); + } +} +IMPL_LINK(SlideSorterController, WindowEventHandler, VclWindowEvent&, rEvent, void) +{ + vcl::Window* pWindow = rEvent.GetWindow(); + sd::Window *pActiveWindow (mrSlideSorter.GetContentWindow().get()); + switch (rEvent.GetId()) + { + case VclEventId::WindowActivate: + case VclEventId::WindowShow: + if (pActiveWindow && pWindow == pActiveWindow->GetParent()) + mrView.RequestRepaint(); + break; + + case VclEventId::WindowHide: + if (pActiveWindow && pWindow == pActiveWindow->GetParent()) + mrView.SetPageUnderMouse(SharedPageDescriptor()); + break; + + case VclEventId::WindowGetFocus: + if (pActiveWindow) + if (pWindow == pActiveWindow) + GetFocusManager().ShowFocus(false); + break; + + case VclEventId::WindowLoseFocus: + if (pActiveWindow && pWindow == pActiveWindow) + { + GetFocusManager().HideFocus(); + mrView.GetToolTip().Hide(); + + //don't scroll back to the selected slide when we lose + //focus due to a temporary active context menu + if (!mbContextMenuOpen) + { + // Select the current slide so that it is properly + // visualized when the focus is moved to the edit view. + GetPageSelector().SelectPage(GetCurrentSlideManager()->GetCurrentSlide()); + } + } + break; + + case VclEventId::ApplicationDataChanged: + { + // Invalidate the preview cache. + cache::PageCacheManager::Instance()->InvalidateAllCaches(); + + // Update the draw mode. + DrawModeFlags nDrawMode (Application::GetSettings().GetStyleSettings().GetHighContrastMode() + ? sd::OUTPUT_DRAWMODE_CONTRAST + : sd::OUTPUT_DRAWMODE_COLOR); + if (mrSlideSorter.GetViewShell() != nullptr) + mrSlideSorter.GetViewShell()->GetFrameView()->SetDrawMode(nDrawMode); + if (pActiveWindow != nullptr) + pActiveWindow->GetOutDev()->SetDrawMode(nDrawMode); + mrView.HandleDrawModeChange(); + + // When the system font has changed a layout has to be done. + mrView.Resize(); + + // Update theme colors. + mrSlideSorter.GetProperties()->HandleDataChangeEvent(); + mrSlideSorter.GetTheme()->Update(mrSlideSorter.GetProperties()); + mrView.HandleDataChangeEvent(); + } + break; + + default: + break; + } +} + +void SlideSorterController::GetCtrlState (SfxItemSet& rSet) +{ + if (rSet.GetItemState(SID_RELOAD) != SfxItemState::UNKNOWN) + { + // let SFx en-/disable "last version" + SfxViewFrame* pSlideViewFrame = SfxViewFrame::Current(); + DBG_ASSERT(pSlideViewFrame!=nullptr, + "SlideSorterController::GetCtrlState: ViewFrame not found"); + if (pSlideViewFrame) + { + pSlideViewFrame->GetSlotState (SID_RELOAD, nullptr, &rSet); + } + else // MI says: no MDIFrame --> disable + { + rSet.DisableItem(SID_RELOAD); + } + } + + // Output quality. + if (rSet.GetItemState(SID_OUTPUT_QUALITY_COLOR)==SfxItemState::DEFAULT + ||rSet.GetItemState(SID_OUTPUT_QUALITY_GRAYSCALE)==SfxItemState::DEFAULT + ||rSet.GetItemState(SID_OUTPUT_QUALITY_BLACKWHITE)==SfxItemState::DEFAULT + ||rSet.GetItemState(SID_OUTPUT_QUALITY_CONTRAST)==SfxItemState::DEFAULT) + { + if (mrSlideSorter.GetContentWindow()) + { + DrawModeFlags nMode = mrSlideSorter.GetContentWindow()->GetOutDev()->GetDrawMode(); + sal_uInt16 nQuality = 0; + + if (nMode == sd::OUTPUT_DRAWMODE_COLOR) { + nQuality = 0; + } else if (nMode == sd::OUTPUT_DRAWMODE_GRAYSCALE) { + nQuality = 1; + } else if (nMode == sd::OUTPUT_DRAWMODE_BLACKWHITE) { + nQuality = 2; + } else if (nMode == sd::OUTPUT_DRAWMODE_CONTRAST) { + nQuality = 3; + } + + rSet.Put (SfxBoolItem (SID_OUTPUT_QUALITY_COLOR, nQuality==0)); + rSet.Put (SfxBoolItem (SID_OUTPUT_QUALITY_GRAYSCALE, nQuality==1)); + rSet.Put (SfxBoolItem (SID_OUTPUT_QUALITY_BLACKWHITE, nQuality==2)); + rSet.Put (SfxBoolItem (SID_OUTPUT_QUALITY_CONTRAST, nQuality==3)); + } + } + + if (rSet.GetItemState(SID_MAIL_SCROLLBODY_PAGEDOWN) == SfxItemState::DEFAULT) + { + rSet.Put (SfxBoolItem( SID_MAIL_SCROLLBODY_PAGEDOWN, true)); + } +} + +void SlideSorterController::GetStatusBarState (SfxItemSet& rSet) +{ + mpSlotManager->GetStatusBarState (rSet); +} + +void SlideSorterController::ExecCtrl (SfxRequest& rRequest) +{ + mpSlotManager->ExecCtrl (rRequest); +} + +void SlideSorterController::GetAttrState (SfxItemSet& rSet) +{ + mpSlotManager->GetAttrState (rSet); +} + +void SlideSorterController::UpdateAllPages() +{ + // Do a redraw. + mrSlideSorter.GetContentWindow()->Invalidate(); +} + +void SlideSorterController::Resize (const ::tools::Rectangle& rAvailableSpace) +{ + if (maTotalWindowArea != rAvailableSpace) + { + maTotalWindowArea = rAvailableSpace; + Rearrange(true); + } +} + +void SlideSorterController::Rearrange (bool bForce) +{ + if (maTotalWindowArea.IsEmpty()) + return; + + if (mnModelChangeLockCount>0) + { + mbIsForcedRearrangePending |= bForce; + return; + } + else + mbIsForcedRearrangePending = false; + + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + if (!pWindow) + return; + + if (bForce) + mrView.UpdateOrientation(); + + // Place the scroll bars. + ::tools::Rectangle aNewContentArea = GetScrollBarManager().PlaceScrollBars( + maTotalWindowArea, + mrView.GetOrientation() != view::Layouter::VERTICAL, + mrView.GetOrientation() != view::Layouter::HORIZONTAL); + + bool bSizeHasChanged (false); + // Only when bForce is not true we have to test for a size change in + // order to determine whether the window and the view have to be resized. + if ( ! bForce) + { + ::tools::Rectangle aCurrentContentArea (pWindow->GetPosPixel(), pWindow->GetOutputSizePixel()); + bSizeHasChanged = (aNewContentArea != aCurrentContentArea); + } + if (bForce || bSizeHasChanged) + { + // The browser window gets the remaining space. + pWindow->SetPosSizePixel (aNewContentArea.TopLeft(), aNewContentArea.GetSize()); + mrView.Resize(); + } + + // Adapt the scroll bars to the new zoom factor of the browser + // window and the arrangement of the page objects. + GetScrollBarManager().UpdateScrollBars(!bForce); + + // Keep the current slide in the visible area. + GetVisibleAreaManager().RequestCurrentSlideVisible(); + + mrView.RequestRepaint(); +} + +rtl::Reference<FuPoor> SlideSorterController::CreateSelectionFunction (SfxRequest& rRequest) +{ + rtl::Reference<FuPoor> xFunc( SelectionFunction::Create(mrSlideSorter, rRequest) ); + return xFunc; +} + +::rtl::Reference<SelectionFunction> SlideSorterController::GetCurrentSelectionFunction() const +{ + rtl::Reference<FuPoor> pFunction (mrSlideSorter.GetViewShell()->GetCurrentFunction()); + return ::rtl::Reference<SelectionFunction>(dynamic_cast<SelectionFunction*>(pFunction.get())); +} + +void SlideSorterController::PrepareEditModeChange() +{ + // Before we throw away the page descriptors we prepare for selecting + // descriptors in the other mode and for restoring the current + // selection when switching back to the current mode. + if (mrModel.GetEditMode() != EditMode::Page) + return; + + maSelectionBeforeSwitch.clear(); + + // Search for the first selected page and determine the master page + // used by its page object. It will be selected after the switch. + // In the same loop the current selection is stored. + PageEnumeration aSelectedPages ( + PageEnumerationProvider::CreateSelectedPagesEnumeration(mrModel)); + while (aSelectedPages.HasMoreElements()) + { + SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement()); + SdPage* pPage = pDescriptor->GetPage(); + // Remember the master page of the first selected descriptor. + if (pPage!=nullptr && mpEditModeChangeMasterPage==nullptr) + mpEditModeChangeMasterPage = &static_cast<SdPage&>( + pPage->TRG_GetMasterPage()); + + maSelectionBeforeSwitch.push_back(pPage); + } + + // Remember the current page. + if (mrSlideSorter.GetViewShell() != nullptr) + mnCurrentPageBeforeSwitch = (mrSlideSorter.GetViewShell()->GetViewShellBase() + .GetMainViewShell()->GetActualPage()->GetPageNum()-1)/2; +} + +void SlideSorterController::ChangeEditMode (EditMode eEditMode) +{ + if (mrModel.GetEditMode() != eEditMode) + { + ModelChangeLock aLock (*this); + PreModelChange(); + // Do the actual edit mode switching. + bool bResult = mrModel.SetEditMode(eEditMode); + if (bResult) + HandleModelChange(); + } +} + +void SlideSorterController::FinishEditModeChange() +{ + if (mrModel.GetEditMode() == EditMode::MasterPage) + { + mpPageSelector->DeselectAllPages(); + + // Search for the master page that was determined in + // PrepareEditModeChange() and make it the current page. + PageEnumeration aAllPages (PageEnumerationProvider::CreateAllPagesEnumeration(mrModel)); + while (aAllPages.HasMoreElements()) + { + SharedPageDescriptor pDescriptor (aAllPages.GetNextElement()); + if (pDescriptor->GetPage() == mpEditModeChangeMasterPage) + { + GetCurrentSlideManager()->SwitchCurrentSlide(pDescriptor); + mpPageSelector->SelectPage(pDescriptor); + break; + } + } + } + else + { + PageSelector::BroadcastLock aBroadcastLock (*mpPageSelector); + + SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(mnCurrentPageBeforeSwitch)); + GetCurrentSlideManager()->SwitchCurrentSlide(pDescriptor); + + // Restore the selection. + mpPageSelector->DeselectAllPages(); + for (const auto& rpPage : maSelectionBeforeSwitch) + { + mpPageSelector->SelectPage(rpPage); + } + maSelectionBeforeSwitch.clear( ); + } + mpEditModeChangeMasterPage = nullptr; +} + +void SlideSorterController::PageNameHasChanged (int nPageIndex, const OUString& rsOldName) +{ + // Request a repaint for the page object whose name has changed. + model::SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nPageIndex)); + if (pDescriptor) + mrView.RequestRepaint(pDescriptor); + + // Get a pointer to the corresponding accessible object and notify + // that of the name change. + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + if ( ! pWindow) + return; + + css::uno::Reference< css::accessibility::XAccessible > + xAccessible (pWindow->GetAccessible(false)); + if ( ! xAccessible.is()) + return; + + // Now comes a small hack. We assume that the accessible object is + // an instantiation of AccessibleSlideSorterView and cast it to that + // class. The cleaner alternative to this cast would be a new member + // in which we would store the last AccessibleSlideSorterView object + // created by SlideSorterViewShell::CreateAccessibleDocumentView(). + // But then there is no guaranty that the accessible object obtained + // from the window really is that instance last created by + // CreateAccessibleDocumentView(). + // However, the dynamic cast together with the check of the result + // being NULL should be safe enough. + ::accessibility::AccessibleSlideSorterView* pAccessibleView + = dynamic_cast< ::accessibility::AccessibleSlideSorterView*>(xAccessible.get()); + if (pAccessibleView == nullptr) + return; + + ::accessibility::AccessibleSlideSorterObject* pChild + = pAccessibleView->GetAccessibleChildImplementation(nPageIndex); + if (pChild == nullptr || pChild->GetPage() == nullptr) + return; + + OUString sNewName (pChild->GetPage()->GetName()); + pChild->FireAccessibleEvent( + css::accessibility::AccessibleEventId::NAME_CHANGED, + Any(rsOldName), + Any(sNewName)); +} + +void SlideSorterController::SetDocumentSlides (const Reference<container::XIndexAccess>& rxSlides) +{ + if (mrModel.GetDocumentSlides() != rxSlides) + { + ModelChangeLock aLock (*this); + PreModelChange(); + + mrModel.SetDocumentSlides(rxSlides); + } +} + +VisibleAreaManager& SlideSorterController::GetVisibleAreaManager() const +{ + OSL_ASSERT(mpVisibleAreaManager); + return *mpVisibleAreaManager; +} + +void SlideSorterController::CheckForMasterPageAssignment() +{ + if (mrModel.GetPageCount()%2==0) + return; + PageEnumeration aAllPages (PageEnumerationProvider::CreateAllPagesEnumeration(mrModel)); + while (aAllPages.HasMoreElements()) + { + SharedPageDescriptor pDescriptor (aAllPages.GetNextElement()); + if (pDescriptor->UpdateMasterPage()) + { + mrView.GetPreviewCache()->InvalidatePreviewBitmap ( + pDescriptor->GetPage()); + } + } +} + +void SlideSorterController::CheckForSlideTransitionAssignment() +{ + if (mrModel.GetPageCount()%2==0) + return; + PageEnumeration aAllPages (PageEnumerationProvider::CreateAllPagesEnumeration(mrModel)); + while (aAllPages.HasMoreElements()) + { + SharedPageDescriptor pDescriptor (aAllPages.GetNextElement()); + if (pDescriptor->UpdateTransitionFlag()) + { + mrView.GetPreviewCache()->InvalidatePreviewBitmap ( + pDescriptor->GetPage()); + } + } +} + +//===== SlideSorterController::ModelChangeLock ================================ + +SlideSorterController::ModelChangeLock::ModelChangeLock ( + SlideSorterController& rController) + : mpController(&rController) +{ + mpController->LockModelChange(); +} + +SlideSorterController::ModelChangeLock::~ModelChangeLock() COVERITY_NOEXCEPT_FALSE +{ + Release(); +} + +void SlideSorterController::ModelChangeLock::Release() +{ + if (mpController != nullptr) + { + mpController->UnlockModelChange(); + mpController = nullptr; + } +} + +} // end of namespace ::sd::slidesorter + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsAnimationFunction.cxx b/sd/source/ui/slidesorter/controller/SlsAnimationFunction.cxx new file mode 100644 index 000000000..31978baf7 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsAnimationFunction.cxx @@ -0,0 +1,129 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <o3tl/safeint.hxx> + +#include <controller/SlsAnimationFunction.hxx> + +namespace sd::slidesorter::controller { + +//===== AnimationBezierFunction =============================================== + +AnimationBezierFunction::AnimationBezierFunction ( + const double nX1, + const double nY1) + : mnX1(nX1), + mnY1(nY1), + mnX2(1-nY1), + mnY2(1-nX1) +{ +} + +::basegfx::B2DPoint AnimationBezierFunction::operator() (const double nT) +{ + return ::basegfx::B2DPoint( + EvaluateComponent(nT, mnX1, mnX2), + EvaluateComponent(nT, mnY1, mnY2)); +} + +double AnimationBezierFunction::EvaluateComponent ( + const double nT, + const double nV1, + const double nV2) +{ + const double nS (1-nT); + + // While the control point values 1 and 2 are explicitly given the start + // and end values are implicitly given. + const double nV0 (0); + const double nV3 (1); + + const double nV01 (nS*nV0 + nT*nV1); + const double nV12 (nS*nV1 + nT*nV2); + const double nV23 (nS*nV2 + nT*nV3); + + const double nV012 (nS*nV01 + nT*nV12); + const double nV123 (nS*nV12 + nT*nV23); + + const double nV0123 (nS*nV012 + nT*nV123); + + return nV0123; +} + +//===== AnimationParametricFunction =========================================== + +AnimationParametricFunction::AnimationParametricFunction (const ParametricFunction& rFunction) +{ + const sal_Int32 nSampleCount (64); + + // Sample the given parametric function. + ::std::vector<basegfx::B2DPoint> aPoints; + aPoints.reserve(nSampleCount); + for (sal_Int32 nIndex=0; nIndex<nSampleCount; ++nIndex) + { + const double nT (nIndex/double(nSampleCount-1)); + aPoints.emplace_back(rFunction(nT)); + } + + // Interpolate at evenly spaced points. + maY.clear(); + maY.reserve(nSampleCount); + double nX0 (aPoints[0].getX()); + double nY0 (aPoints[0].getY()); + double nX1 (aPoints[1].getX()); + double nY1 (aPoints[1].getY()); + sal_Int32 nIndex (1); + for (sal_Int32 nIndex2=0; nIndex2<nSampleCount; ++nIndex2) + { + const double nX (nIndex2 / double(nSampleCount-1)); + while (nX > nX1 && nIndex<nSampleCount) + { + nX0 = nX1; + nY0 = nY1; + nX1 = aPoints[nIndex].getX(); + nY1 = aPoints[nIndex].getY(); + ++nIndex; + } + const double nU ((nX-nX1) / (nX0 - nX1)); + const double nY (nY0*nU + nY1*(1-nU)); + maY.push_back(nY); + } +} + +double AnimationParametricFunction::operator() (const double nX) +{ + const sal_Int32 nIndex0 (static_cast<sal_Int32>(nX * maY.size())); + const double nX0 (nIndex0 / double(maY.size()-1)); + const sal_uInt32 nIndex1 (nIndex0 + 1); + const double nX1 (nIndex1 / double(maY.size()-1)); + + if (nIndex0<=0) + return maY[0]; + else if (o3tl::make_unsigned(nIndex0)>=maY.size() || nIndex1>=maY.size()) + return maY[maY.size()-1]; + + const double nU ((nX-nX1) / (nX0 - nX1)); + return maY[nIndex0]*nU + maY[nIndex1]*(1-nU); +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsAnimator.cxx b/sd/source/ui/slidesorter/controller/SlsAnimator.cxx new file mode 100644 index 000000000..b400ec4dc --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsAnimator.cxx @@ -0,0 +1,280 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsAnimator.hxx> +#include <view/SlideSorterView.hxx> +#include <osl/diagnose.h> + +namespace sd::slidesorter::controller { + +/** Handle one animation function by using a timer for frequent calls to + the animations operator(). +*/ +class Animator::Animation +{ +public: + Animation ( + const Animator::AnimationFunctor& rAnimation, + const double nStartOffset, + const double nDuration, + const double nGlobalTime, + const Animator::AnimationId nAnimationId, + const Animator::FinishFunctor& rFinishFunctor); + /** Run next animation step. If animation has reached its end it is + expired. + */ + bool Run (const double nGlobalTime); + + /** Typically called when an animation has finished, but also from + Animator::Disposed(). The finish functor is called and the + animation is marked as expired to prevent another run. + */ + void Expire(); + bool IsExpired() const { return mbIsExpired;} + + Animator::AnimationFunctor maAnimation; + Animator::FinishFunctor maFinishFunctor; + const Animator::AnimationId mnAnimationId; + const double mnDuration; + const double mnEnd; + const double mnGlobalTimeAtStart; + bool mbIsExpired; +}; + +Animator::Animator (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + maIdle("sd slidesorter controller Animator"), + mbIsDisposed(false), + mnNextAnimationId(0) +{ + maIdle.SetPriority(TaskPriority::REPAINT); + maIdle.SetInvokeHandler(LINK(this,Animator,TimeoutHandler)); +} + +Animator::~Animator() +{ + if ( ! mbIsDisposed) + { + OSL_ASSERT(mbIsDisposed); + Dispose(); + } +} + +void Animator::Dispose() +{ + mbIsDisposed = true; + + AnimationList aCopy (maAnimations); + for (const auto& rxAnimation : aCopy) + rxAnimation->Expire(); + + maIdle.Stop(); + if (mpDrawLock) + { + mpDrawLock->Dispose(); + mpDrawLock.reset(); + } +} + +Animator::AnimationId Animator::AddAnimation ( + const AnimationFunctor& rAnimation, + const FinishFunctor& rFinishFunctor) +{ + // When the animator is already disposed then ignore this call + // silently (well, we show an assertion, but do not throw an exception.) + OSL_ASSERT( ! mbIsDisposed); + if (mbIsDisposed) + return -1; + + std::shared_ptr<Animation> pAnimation = + std::make_shared<Animation>( + rAnimation, + 0, + 300 / 1000.0, + maElapsedTime.getElapsedTime(), + ++mnNextAnimationId, + rFinishFunctor); + maAnimations.push_back(pAnimation); + + RequestNextFrame(); + + return pAnimation->mnAnimationId; +} + +void Animator::RemoveAnimation (const Animator::AnimationId nId) +{ + OSL_ASSERT( ! mbIsDisposed); + + const AnimationList::iterator iAnimation (::std::find_if( + maAnimations.begin(), + maAnimations.end(), + [nId] (std::shared_ptr<Animation> const& pAnim) + { return nId == pAnim->mnAnimationId; })); + if (iAnimation != maAnimations.end()) + { + OSL_ASSERT((*iAnimation)->mnAnimationId == nId); + (*iAnimation)->Expire(); + maAnimations.erase(iAnimation); + } + + if (maAnimations.empty()) + { + // Reset the animation id when we can. + mnNextAnimationId = 0; + + // No more animations => we do not have to suppress painting + // anymore. + mpDrawLock.reset(); + } +} + +void Animator::RemoveAllAnimations() +{ + for (auto const& it : maAnimations) + { + it->Expire(); + } + maAnimations.clear(); + mnNextAnimationId = 0; + + // No more animations => we do not have to suppress painting + // anymore. + mpDrawLock.reset(); +} + +bool Animator::ProcessAnimations (const double nTime) +{ + bool bExpired (false); + + OSL_ASSERT( ! mbIsDisposed); + if (mbIsDisposed) + return bExpired; + + AnimationList aCopy (maAnimations); + for (const auto& rxAnimation : aCopy) + { + bExpired |= rxAnimation->Run(nTime); + } + + return bExpired; +} + +void Animator::CleanUpAnimationList() +{ + OSL_ASSERT( ! mbIsDisposed); + if (mbIsDisposed) + return; + + AnimationList aActiveAnimations; + + for (const auto& rxAnimation : maAnimations) + { + if ( ! rxAnimation->IsExpired()) + aActiveAnimations.push_back(rxAnimation); + } + + maAnimations.swap(aActiveAnimations); +} + +void Animator::RequestNextFrame () +{ + if ( ! maIdle.IsActive()) + { + // Prevent redraws except for the ones in TimeoutHandler. While the + // Animator is active it will schedule repaints regularly. Repaints + // in between would only lead to visual artifacts. + mpDrawLock.reset(new view::SlideSorterView::DrawLock(mrSlideSorter)); + maIdle.Start(); + } +} + +IMPL_LINK_NOARG(Animator, TimeoutHandler, Timer *, void) +{ + if (mbIsDisposed) + return; + + if (ProcessAnimations(maElapsedTime.getElapsedTime())) + CleanUpAnimationList(); + + // Unlock the draw lock. This should lead to a repaint. + mpDrawLock.reset(); + + if (!maAnimations.empty()) + RequestNextFrame(); +} + +//===== Animator::Animation =================================================== + +Animator::Animation::Animation ( + const Animator::AnimationFunctor& rAnimation, + const double nStartOffset, + const double nDuration, + const double nGlobalTime, + const Animator::AnimationId nId, + const Animator::FinishFunctor& rFinishFunctor) + : maAnimation(rAnimation), + maFinishFunctor(rFinishFunctor), + mnAnimationId(nId), + mnDuration(nDuration), + mnEnd(nGlobalTime + nDuration + nStartOffset), + mnGlobalTimeAtStart(nGlobalTime + nStartOffset), + mbIsExpired(false) +{ + Run(nGlobalTime); +} + +bool Animator::Animation::Run (const double nGlobalTime) +{ + if ( ! mbIsExpired) + { + if (mnDuration > 0) + { + if (nGlobalTime >= mnEnd) + { + maAnimation(1.0); + Expire(); + } + else if (nGlobalTime >= mnGlobalTimeAtStart) + { + maAnimation((nGlobalTime - mnGlobalTimeAtStart) / mnDuration); + } + } + else if (mnDuration < 0) + { + // Animations without end have to be expired by their owner. + maAnimation(nGlobalTime); + } + } + + return mbIsExpired; +} + +void Animator::Animation::Expire() +{ + if ( ! mbIsExpired) + { + mbIsExpired = true; + if (maFinishFunctor) + maFinishFunctor(); + } +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsClipboard.cxx b/sd/source/ui/slidesorter/controller/SlsClipboard.cxx new file mode 100644 index 000000000..160077e64 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsClipboard.cxx @@ -0,0 +1,918 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <cassert> + +#include <controller/SlsClipboard.hxx> + +#include <SlideSorterViewShell.hxx> +#include <SlideSorter.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <model/SlsPageEnumerationProvider.hxx> +#include <view/SlideSorterView.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsInsertionIndicatorHandler.hxx> +#include <controller/SlsPageSelector.hxx> +#include <controller/SlsSelectionFunction.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <controller/SlsFocusManager.hxx> +#include <controller/SlsSelectionManager.hxx> +#include <controller/SlsTransferableData.hxx> +#include <controller/SlsSelectionObserver.hxx> +#include <controller/SlsVisibleAreaManager.hxx> +#include <cache/SlsPageCache.hxx> + +#include <ViewShellBase.hxx> +#include <DrawViewShell.hxx> +#include <Window.hxx> +#include <fupoor.hxx> +#include <strings.hrc> +#include <sdresid.hxx> +#include <sdxfer.hxx> +#include <sdmod.hxx> +#include <ins_paste.hxx> +#include <drawdoc.hxx> +#include <DrawDocShell.hxx> +#include <sdpage.hxx> +#include <sdtreelb.hxx> + +#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp> +#include <sfx2/request.hxx> +#include <sfx2/viewfrm.hxx> +#include <sfx2/bindings.hxx> +#include <sfx2/docfile.hxx> +#include <svx/svxids.hrc> +#include <tools/urlobj.hxx> +#include <rtl/ustring.hxx> +#include <vcl/svapp.hxx> + +namespace sd::slidesorter::controller { + +namespace { +/** Temporarily deactivate slide tracking of the VisibleAreaManager. + This is used as a workaround to avoid unwanted repositioning of + the visible area when the selection of slides is copied to the + clipboard (cloning of slides leads to model change notifications + for the original model.) +*/ +class TemporarySlideTrackingDeactivator +{ +public: + explicit TemporarySlideTrackingDeactivator (SlideSorterController& rController) + : mrController(rController), + mbIsCurrentSlideTrackingActive ( + mrController.GetVisibleAreaManager().IsCurrentSlideTrackingActive()) + { + if (mbIsCurrentSlideTrackingActive) + mrController.GetVisibleAreaManager().DeactivateCurrentSlideTracking(); + } + ~TemporarySlideTrackingDeactivator() + { + if (mbIsCurrentSlideTrackingActive) + mrController.GetVisibleAreaManager().ActivateCurrentSlideTracking(); + } + +private: + SlideSorterController& mrController; + const bool mbIsCurrentSlideTrackingActive; +}; +} // end of anonymous namespace + +class Clipboard::UndoContext +{ +public: + UndoContext ( + SdDrawDocument* pDocument, + const std::shared_ptr<ViewShell>& rpMainViewShell) + : mpDocument(pDocument), + mpMainViewShell(rpMainViewShell) + { + if (mpDocument!=nullptr && mpDocument->IsUndoEnabled()) + { + if (mpMainViewShell && mpMainViewShell->GetShellType() == ViewShell::ST_DRAW) + mpDocument->BegUndo(SdResId(STRING_DRAG_AND_DROP_PAGES)); + else + mpDocument->BegUndo(SdResId(STRING_DRAG_AND_DROP_SLIDES)); + } + } + + ~UndoContext() + { + if (mpDocument!=nullptr && mpDocument->IsUndoEnabled()) + mpDocument->EndUndo(); + if (mpMainViewShell && mpMainViewShell->GetViewFrame()!=nullptr) + { + SfxBindings& rBindings = mpMainViewShell->GetViewFrame()->GetBindings(); + rBindings.Invalidate(SID_UNDO); + rBindings.Invalidate(SID_REDO); + } + } +private: + SdDrawDocument* mpDocument; + std::shared_ptr<ViewShell> mpMainViewShell; +}; + +Clipboard::Clipboard (SlideSorter& rSlideSorter) + : ViewClipboard(rSlideSorter.GetView()), + mrSlideSorter(rSlideSorter), + mrController(mrSlideSorter.GetController()), + mnDragFinishedUserEventId(nullptr) +{ +} + +Clipboard::~Clipboard() +{ + if (mnDragFinishedUserEventId != nullptr) + Application::RemoveUserEvent(mnDragFinishedUserEventId); +} + +/** With the current implementation the forwarded calls to the current + function will come back eventually to call the local Do(Cut|Copy|Paste) + methods. A shortcut is possible but would be an unclean hack. +*/ +void Clipboard::HandleSlotCall (SfxRequest& rRequest) +{ + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + rtl::Reference<FuPoor> xFunc; + if (pViewShell != nullptr) + xFunc = pViewShell->GetCurrentFunction(); + switch (rRequest.GetSlot()) + { + case SID_CUT: + if (mrSlideSorter.GetModel().GetEditMode() != EditMode::MasterPage) + { + if(xFunc.is()) + xFunc->DoCut(); + else + DoCut(); + } + rRequest.Done(); + break; + + case SID_COPY: + if (mrSlideSorter.GetModel().GetEditMode() != EditMode::MasterPage) + { + if(xFunc.is()) + xFunc->DoCopy(); + else + DoCopy(); + } + rRequest.Done(); + break; + + case SID_PASTE: + // Prevent redraws while inserting pages from the clipboard + // because the intermediate inconsistent state might lead to + // a crash. + if (mrSlideSorter.GetModel().GetEditMode() != EditMode::MasterPage) + { + view::SlideSorterView::DrawLock aLock (mrSlideSorter); + SelectionObserver::Context aContext (mrSlideSorter); + if(xFunc.is()) + xFunc->DoPaste(); + else + DoPaste(); + } + rRequest.Done(); + break; + + case SID_DELETE: + DoDelete(); + rRequest.Done(); + break; + } +} + +void Clipboard::DoCut () +{ + if (mrSlideSorter.GetModel().GetPageCount() > 1) + { + DoCopy(); + DoDelete(); + } +} + +void Clipboard::DoDelete() +{ + if (mrSlideSorter.GetModel().GetPageCount() > 1) + { + mrController.GetSelectionManager()->DeleteSelectedPages(); + } +} + +void Clipboard::DoCopy () +{ + CreateSlideTransferable( nullptr, false ); +} + +void Clipboard::DoPaste () +{ + SdTransferable* pClipTransferable = SD_MOD()->pTransferClip; + + if (pClipTransferable==nullptr || !pClipTransferable->IsPageTransferable()) + return; + + sal_Int32 nInsertPosition = GetInsertionPosition(); + + if (nInsertPosition >= 0) + { + // Paste the pages from the clipboard. + sal_Int32 nInsertPageCount = PasteTransferable(nInsertPosition); + // Select the pasted pages and make the first of them the + // current page. + mrSlideSorter.GetContentWindow()->GrabFocus(); + SelectPageRange(nInsertPosition, nInsertPageCount); + } +} + +sal_Int32 Clipboard::GetInsertionPosition () +{ + sal_Int32 nInsertPosition = -1; + + // Determine the insertion position: + // a) When the insertion indicator is visible, then at that position. + // b) When the focus indicator is visible, then before or after the + // focused page, depending on user input to a dialog. + // c) When there is a selection but no focus, then after the + // selection. + // d) After the last page when there is no selection and no focus. + + std::shared_ptr<controller::InsertionIndicatorHandler> pInsertionIndicatorHandler ( + mrController.GetInsertionIndicatorHandler()); + if (pInsertionIndicatorHandler->IsActive()) + { + // Use the insertion index of an active insertion indicator. + nInsertPosition = pInsertionIndicatorHandler->GetInsertionPageIndex(); + } + else if (mrController.GetSelectionManager()->GetInsertionPosition() >= 0) + { + // Use the insertion index of an insertion indicator that has been + // deactivated a short while ago. + nInsertPosition = mrController.GetSelectionManager()->GetInsertionPosition(); + } + else if (mrController.GetFocusManager().IsFocusShowing()) + { + // Use the focus to determine the insertion position. + vcl::Window* pWin = mrSlideSorter.GetContentWindow(); + SdInsertPasteDlg aDialog(pWin ? pWin->GetFrameWeld() : nullptr); + if (aDialog.run() == RET_OK) + { + nInsertPosition = mrController.GetFocusManager().GetFocusedPageIndex(); + if (!aDialog.IsInsertBefore()) + nInsertPosition ++; + } + } + + return nInsertPosition; +} + +sal_Int32 Clipboard::PasteTransferable (sal_Int32 nInsertPosition) +{ + SdTransferable* pClipTransferable = SD_MOD()->pTransferClip; + model::SlideSorterModel& rModel (mrSlideSorter.GetModel()); + bool bMergeMasterPages = !pClipTransferable->HasSourceDoc (rModel.GetDocument()); + sal_uInt16 nInsertIndex (rModel.GetCoreIndex(nInsertPosition)); + sal_Int32 nInsertPageCount (0); + if (pClipTransferable->HasPageBookmarks()) + { + const std::vector<OUString> &rBookmarkList = pClipTransferable->GetPageBookmarks(); + const SolarMutexGuard aGuard; + + nInsertPageCount = static_cast<sal_uInt16>(rBookmarkList.size()); + rModel.GetDocument()->InsertBookmarkAsPage( + rBookmarkList, + nullptr, + false, + false, + nInsertIndex, + false, + pClipTransferable->GetPageDocShell(), + true, + bMergeMasterPages, + false); + } + else + { + SfxObjectShell* pShell = pClipTransferable->GetDocShell().get(); + DrawDocShell* pDataDocSh = static_cast<DrawDocShell*>(pShell); + SdDrawDocument* pDataDoc = pDataDocSh->GetDoc(); + + if (pDataDoc!=nullptr + && pDataDoc->GetSdPageCount(PageKind::Standard)) + { + const SolarMutexGuard aGuard; + + bMergeMasterPages = (pDataDoc != rModel.GetDocument()); + nInsertPageCount = pDataDoc->GetSdPageCount( PageKind::Standard ); + rModel.GetDocument()->InsertBookmarkAsPage( + std::vector<OUString>(), + nullptr, + false, + false, + nInsertIndex, + false, + pDataDocSh, + true, + bMergeMasterPages, + false); + } + } + mrController.HandleModelChange(); + return nInsertPageCount; +} + +void Clipboard::SelectPageRange (sal_Int32 nFirstIndex, sal_Int32 nPageCount) +{ + // Select the newly inserted pages. That are the nInsertPageCount pages + // after the nInsertIndex position. + PageSelector& rSelector (mrController.GetPageSelector()); + rSelector.DeselectAllPages(); + for (sal_Int32 i=0; i<nPageCount; i++) + { + model::SharedPageDescriptor pDescriptor ( + mrSlideSorter.GetModel().GetPageDescriptor(nFirstIndex + i)); + if (pDescriptor) + { + rSelector.SelectPage(pDescriptor); + // The first page of the new selection is made the current page. + if (i == 0) + { + mrController.GetCurrentSlideManager()->SwitchCurrentSlide(pDescriptor); + } + } + } +} + +void Clipboard::CreateSlideTransferable ( + vcl::Window* pWindow, + bool bDrag) +{ + std::vector<OUString> aBookmarkList; + + // Insert all selected pages into a bookmark list and remember them in + // maPagesToRemove for possible later removal. + model::PageEnumeration aSelectedPages + (model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + SdDrawDocument* const pDocument = mrSlideSorter.GetModel().GetDocument(); + DrawDocShell* const pDataDocSh = pDocument->GetDocSh(); + + sal_Int32 nUniqueID = 0; + while (aSelectedPages.HasMoreElements()) + { + model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement()); + + //ensure that the slides have unique names + const OUString sOrigName = pDescriptor->GetPage()->GetName(); + if ( pDataDocSh && !pDataDocSh->IsPageNameUnique( sOrigName ) ) + { + OUString sUniqueName; + bool bUnique = false; + while ( !bUnique ) + { + sUniqueName = sOrigName + "_clipboard" + OUString::number(nUniqueID++); + bUnique = pDataDocSh->IsNewPageNameValid( sUniqueName ); + if ( bUnique ) + pDescriptor->GetPage()->SetName(sUniqueName); + } + } + + aBookmarkList.push_back(pDescriptor->GetPage()->GetName()); + maPagesToRemove.push_back (pDescriptor->GetPage()); + } + + // Create a small set of representatives of the selection for which + // previews are included into the transferable so that an insertion + // indicator can be rendered. + aSelectedPages.Rewind(); + ::std::vector<TransferableData::Representative> aRepresentatives; + aRepresentatives.reserve(3); + std::shared_ptr<cache::PageCache> pPreviewCache ( + mrSlideSorter.GetView().GetPreviewCache()); + while (aSelectedPages.HasMoreElements()) + { + model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement()); + if ( ! pDescriptor || pDescriptor->GetPage()==nullptr) + continue; + BitmapEx aPreview (pPreviewCache->GetPreviewBitmap(pDescriptor->GetPage(), false)); + aRepresentatives.emplace_back( + aPreview, + pDescriptor->HasState(model::PageDescriptor::ST_Excluded)); + if (aRepresentatives.size() >= 3) + break; + } + + if (aBookmarkList.empty()) + return; + + mrSlideSorter.GetView().BrkAction(); + rtl::Reference<SdTransferable> pTransferable = TransferableData::CreateTransferable ( + pDocument, + dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell()), + std::move(aRepresentatives)); + + if (bDrag) + SD_MOD()->pTransferDrag = pTransferable.get(); + else + SD_MOD()->pTransferClip = pTransferable.get(); + + pDocument->CreatingDataObj (pTransferable.get()); + pTransferable->SetWorkDocument(pDocument->AllocSdDrawDocument()); + std::unique_ptr<TransferableObjectDescriptor> pObjDesc(new TransferableObjectDescriptor); + pTransferable->GetWorkDocument()->GetDocSh() + ->FillTransferableObjectDescriptor (*pObjDesc); + + if (pDataDocSh != nullptr) + pObjDesc->maDisplayName = pDataDocSh->GetMedium()->GetURLObject().GetURLNoPass(); + + vcl::Window* pActionWindow = pWindow; + if (pActionWindow == nullptr) + { + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + if (pViewShell != nullptr) + pActionWindow = pViewShell->GetActiveWindow(); + } + + assert(pActionWindow); + + pTransferable->SetStartPos (pActionWindow->PixelToLogic( + pActionWindow->GetPointerPosPixel())); + pTransferable->SetObjectDescriptor (std::move(pObjDesc)); + + { + TemporarySlideTrackingDeactivator aDeactivator (mrController); + pTransferable->SetPageBookmarks (std::move(aBookmarkList), !bDrag); + } + + if (bDrag) + { + pTransferable->SetView (&mrSlideSorter.GetView()); + pTransferable->StartDrag (pActionWindow, DND_ACTION_COPY | DND_ACTION_MOVE); + } + else + pTransferable->CopyToClipboard (pActionWindow); + + pDocument->CreatingDataObj(nullptr); +} + +std::shared_ptr<SdTransferable::UserData> Clipboard::CreateTransferableUserData (SdTransferable* pTransferable) +{ + do + { + SdPageObjsTLV::SdPageObjsTransferable* pTreeListBoxTransferable + = dynamic_cast<SdPageObjsTLV::SdPageObjsTransferable*>(pTransferable); + if (pTreeListBoxTransferable == nullptr) + break; + + // Find view shell for the document of the transferable. + ::sd::ViewShell* pViewShell + = SdPageObjsTLV::GetViewShellForDocShell(pTreeListBoxTransferable->GetDocShell()); + if (pViewShell == nullptr) + break; + + // Find slide sorter for the document of the transferable. + SlideSorterViewShell* pSlideSorterViewShell + = SlideSorterViewShell::GetSlideSorter(pViewShell->GetViewShellBase()); + if (pSlideSorterViewShell == nullptr) + break; + SlideSorter& rSlideSorter (pSlideSorterViewShell->GetSlideSorter()); + + // Get bookmark from transferable. + TransferableDataHelper aDataHelper (pTransferable); + INetBookmark aINetBookmark; + if ( ! aDataHelper.GetINetBookmark(SotClipboardFormatId::NETSCAPE_BOOKMARK, aINetBookmark)) + break; + const OUString sURL (aINetBookmark.GetURL()); + const sal_Int32 nIndex (sURL.indexOf('#')); + if (nIndex == -1) + break; + OUString sBookmark (sURL.copy(nIndex+1)); + + // Make sure that the bookmark points to a page. + SdDrawDocument* pTransferableDocument = rSlideSorter.GetModel().GetDocument(); + if (pTransferableDocument == nullptr) + break; + bool bIsMasterPage = false; + const sal_uInt16 nPageIndex (pTransferableDocument->GetPageByName(sBookmark, bIsMasterPage)); + if (nPageIndex == SDRPAGE_NOTFOUND) + break; + + // Create preview. + ::std::vector<TransferableData::Representative> aRepresentatives; + aRepresentatives.reserve(1); + std::shared_ptr<cache::PageCache> pPreviewCache ( + rSlideSorter.GetView().GetPreviewCache()); + model::SharedPageDescriptor pDescriptor (rSlideSorter.GetModel().GetPageDescriptor((nPageIndex-1)/2)); + if ( ! pDescriptor || pDescriptor->GetPage()==nullptr) + break; + BitmapEx aPreview (pPreviewCache->GetPreviewBitmap(pDescriptor->GetPage(), false)); + aRepresentatives.emplace_back( + aPreview, + pDescriptor->HasState(model::PageDescriptor::ST_Excluded)); + + // Remember the page in maPagesToRemove so that it can be removed + // when drag and drop action is "move". + Clipboard& rOtherClipboard (pSlideSorterViewShell->GetSlideSorter().GetController().GetClipboard()); + rOtherClipboard.maPagesToRemove.clear(); + rOtherClipboard.maPagesToRemove.push_back(pDescriptor->GetPage()); + + // Create the new transferable. + std::shared_ptr<SdTransferable::UserData> pNewTransferable = + std::make_shared<TransferableData>( + pSlideSorterViewShell, + std::move(aRepresentatives)); + pTransferable->SetWorkDocument(pTreeListBoxTransferable->GetSourceDoc()->AllocSdDrawDocument()); + // pTransferable->SetView(&mrSlideSorter.GetView()); + + // Set page bookmark list. + std::vector<OUString> aPageBookmarks { sBookmark }; + pTransferable->SetPageBookmarks(std::move(aPageBookmarks), false); + + // Replace the view referenced by the transferable with the + // corresponding slide sorter view. + pTransferable->SetView(&pSlideSorterViewShell->GetSlideSorter().GetView()); + + return pNewTransferable; + } + while (false); + + return std::shared_ptr<SdTransferable::UserData>(); +} + +void Clipboard::StartDrag ( + const Point& rPosition, + vcl::Window* pWindow) +{ + maPagesToRemove.clear(); + CreateSlideTransferable(pWindow, true); + + mrController.GetInsertionIndicatorHandler()->UpdatePosition( + rPosition, + InsertionIndicatorHandler::UnknownMode); +} + +void Clipboard::DragFinished (sal_Int8 nDropAction) +{ + if (mnDragFinishedUserEventId == nullptr) + { + mnDragFinishedUserEventId = Application::PostUserEvent( + LINK(this, Clipboard, ProcessDragFinished), + reinterpret_cast<void*>(nDropAction)); + } +} + +IMPL_LINK(Clipboard, ProcessDragFinished, void*, pUserData, void) +{ + const sal_Int8 nDropAction (static_cast<sal_Int8>(reinterpret_cast<sal_IntPtr>(pUserData))); + + mnDragFinishedUserEventId = nullptr; + + // Hide the substitution display and insertion indicator. + ::rtl::Reference<SelectionFunction> pFunction (mrController.GetCurrentSelectionFunction()); + if (pFunction.is()) + pFunction->NotifyDragFinished(); + + PageSelector& rSelector (mrController.GetPageSelector()); + if ((nDropAction & DND_ACTION_MOVE) != 0 + && ! maPagesToRemove.empty()) + { + // Remove the pages that have been moved to another place (possibly + // in the same document.) + rSelector.DeselectAllPages(); + for (const auto& rpDraggedPage : maPagesToRemove) + { + rSelector.SelectPage(rpDraggedPage); + } + mrController.GetSelectionManager()->DeleteSelectedPages(); + } + mxUndoContext.reset(); + mxSelectionObserverContext.reset(); +} + +sal_Int8 Clipboard::AcceptDrop ( + const AcceptDropEvent& rEvent, + DropTargetHelper& rTargetHelper, + ::sd::Window* pTargetWindow, + sal_uInt16 nPage, + SdrLayerID nLayer) +{ + sal_Int8 nAction (DND_ACTION_NONE); + + const Clipboard::DropType eDropType (IsDropAccepted()); + + switch (eDropType) + { + case DT_PAGE: + case DT_PAGE_FROM_NAVIGATOR: + { + // Accept a drop. + nAction = rEvent.mnAction; + + // Use the copy action when the drop action is the default, i.e. not + // explicitly set to move or link, and when the source and + // target models are not the same. + SdTransferable* pDragTransferable = SD_MOD()->pTransferDrag; + if (pDragTransferable != nullptr + && pDragTransferable->IsPageTransferable() + && ((rEvent.maDragEvent.DropAction + & css::datatransfer::dnd::DNDConstants::ACTION_DEFAULT) != 0) + && (mrSlideSorter.GetModel().GetDocument()->GetDocSh() + != pDragTransferable->GetPageDocShell())) + { + nAction = DND_ACTION_COPY; + } + else if (IsInsertionTrivial(pDragTransferable, nAction)) + { + nAction = DND_ACTION_NONE; + } + + // Show the insertion marker and the substitution for a drop. + SelectionFunction* pSelectionFunction = dynamic_cast<SelectionFunction*>( + mrSlideSorter.GetViewShell()->GetCurrentFunction().get()); + if (pSelectionFunction != nullptr) + pSelectionFunction->MouseDragged(rEvent, nAction); + + // Scroll the window when the mouse reaches the window border. + // mrController.GetScrollBarManager().AutoScroll (rEvent.maPosPixel); + } + break; + + case DT_SHAPE: + nAction = ExecuteOrAcceptShapeDrop( + DC_ACCEPT, + rEvent.maPosPixel, + &rEvent, + rTargetHelper, + pTargetWindow, + nPage, + nLayer); + break; + + default: + case DT_NONE: + nAction = DND_ACTION_NONE; + break; + } + + return nAction; +} + +sal_Int8 Clipboard::ExecuteDrop ( + const ExecuteDropEvent& rEvent, + DropTargetHelper& rTargetHelper, + ::sd::Window* pTargetWindow, + sal_uInt16 nPage, + SdrLayerID nLayer) +{ + sal_Int8 nResult = DND_ACTION_NONE; + mxUndoContext.reset(); + const Clipboard::DropType eDropType (IsDropAccepted()); + + switch (eDropType) + { + case DT_PAGE: + case DT_PAGE_FROM_NAVIGATOR: + { + SdTransferable* pDragTransferable = SD_MOD()->pTransferDrag; + const Point aEventModelPosition ( + pTargetWindow->PixelToLogic (rEvent.maPosPixel)); + const sal_Int32 nXOffset (std::abs (pDragTransferable->GetStartPos().X() + - aEventModelPosition.X())); + const sal_Int32 nYOffset (std::abs (pDragTransferable->GetStartPos().Y() + - aEventModelPosition.Y())); + bool bContinue = + ( pDragTransferable->GetView() != &mrSlideSorter.GetView() ) + || ( nXOffset >= 2 && nYOffset >= 2 ); + + std::shared_ptr<InsertionIndicatorHandler> pInsertionIndicatorHandler( + mrController.GetInsertionIndicatorHandler()); + // Get insertion position and then turn off the insertion indicator. + pInsertionIndicatorHandler->UpdatePosition(aEventModelPosition, rEvent.mnAction); + // sal_uInt16 nIndex = DetermineInsertPosition(*pDragTransferable); + + // Do not process the insertion when it is trivial, + // i.e. would insert pages at their original place. + if (IsInsertionTrivial(pDragTransferable, rEvent.mnAction)) + bContinue = false; + + // Tell the insertion indicator handler to hide before the model + // is modified. Doing it later may result in page objects whose + // animation state is not properly reset because they are then + // in another run then before the model change. + pInsertionIndicatorHandler->End(Animator::AM_Immediate); + + if (bContinue) + { + SlideSorterController::ModelChangeLock aModelChangeLock (mrController); + + // Handle a general drop operation. + mxUndoContext.reset(new UndoContext ( + mrSlideSorter.GetModel().GetDocument(), + mrSlideSorter.GetViewShell()->GetViewShellBase().GetMainViewShell())); + mxSelectionObserverContext.reset(new SelectionObserver::Context(mrSlideSorter)); + + if (rEvent.mnAction == DND_ACTION_MOVE) + { + SdDrawDocument* pDoc = mrSlideSorter.GetModel().GetDocument(); + const bool bDoesMakePageObjectsNamesUnique = pDoc->DoesMakePageObjectsNamesUnique(); + pDoc->DoMakePageObjectsNamesUnique(false); + HandlePageDrop(*pDragTransferable); + pDoc->DoMakePageObjectsNamesUnique(bDoesMakePageObjectsNamesUnique); + } + else + HandlePageDrop(*pDragTransferable); + + nResult = rEvent.mnAction; + + // We leave the undo context alive for when moving or + // copying inside one view then the actions in + // NotifyDragFinished should be covered as well as + // well as the ones above. + } + + // When the pages originated in another slide sorter then + // only that is notified automatically about the drag + // operation being finished. Because the target slide sorter + // has be notified, too, add a callback for that. + std::shared_ptr<TransferableData> pSlideSorterTransferable ( + TransferableData::GetFromTransferable(pDragTransferable)); + assert(pSlideSorterTransferable); + if (pSlideSorterTransferable + && pSlideSorterTransferable->GetSourceViewShell() != mrSlideSorter.GetViewShell()) + { + DragFinished(nResult); + } + + // Notify the receiving selection function that drag-and-drop is + // finished and the substitution handler can be released. + ::rtl::Reference<SelectionFunction> pFunction ( + mrController.GetCurrentSelectionFunction()); + if (pFunction.is()) + pFunction->NotifyDragFinished(); + } + break; + + case DT_SHAPE: + nResult = ExecuteOrAcceptShapeDrop( + DC_EXECUTE, + rEvent.maPosPixel, + &rEvent, + rTargetHelper, + pTargetWindow, + nPage, + nLayer); + break; + + default: + case DT_NONE: + break; + } + + return nResult; +} + +bool Clipboard::IsInsertionTrivial ( + SdTransferable const * pTransferable, + const sal_Int8 nDndAction) const +{ + std::shared_ptr<TransferableData> pSlideSorterTransferable ( + TransferableData::GetFromTransferable(pTransferable)); + if (pSlideSorterTransferable + && pSlideSorterTransferable->GetSourceViewShell() != mrSlideSorter.GetViewShell()) + return false; + return mrController.GetInsertionIndicatorHandler()->IsInsertionTrivial(nDndAction); +} + +void Clipboard::Abort() +{ + if (mxSelectionObserverContext) + { + mxSelectionObserverContext->Abort(); + mxSelectionObserverContext.reset(); + } +} + +sal_uInt16 Clipboard::DetermineInsertPosition () +{ + // Tell the model to move the dragged pages behind the one with the + // index nInsertionIndex which first has to be transformed into an index + // understandable by the document. + const sal_Int32 nInsertionIndex ( + mrController.GetInsertionIndicatorHandler()->GetInsertionPageIndex()); + + // Convert to insertion index to that of an SdModel. + if (nInsertionIndex >= 0) + return mrSlideSorter.GetModel().GetCoreIndex(nInsertionIndex); + else + return 0; +} + +Clipboard::DropType Clipboard::IsDropAccepted() const +{ + const SdTransferable* pDragTransferable = SD_MOD()->pTransferDrag; + if (pDragTransferable == nullptr) + return DT_NONE; + + if (pDragTransferable->IsPageTransferable()) + { + if (mrSlideSorter.GetModel().GetEditMode() != EditMode::MasterPage) + return DT_PAGE; + else + return DT_NONE; + } + + const SdPageObjsTLV::SdPageObjsTransferable* pPageObjsTransferable + = dynamic_cast<const SdPageObjsTLV::SdPageObjsTransferable*>(pDragTransferable); + if (pPageObjsTransferable != nullptr) + return DT_PAGE_FROM_NAVIGATOR; + + return DT_SHAPE; +} + +sal_Int8 Clipboard::ExecuteOrAcceptShapeDrop ( + DropCommand eCommand, + const Point& rPosition, + const void* pDropEvent, + DropTargetHelper& rTargetHelper, + ::sd::Window* pTargetWindow, + sal_uInt16 nPage, + SdrLayerID nLayer) +{ + sal_Int8 nResult = 0; + + // The dropping of a shape is accepted or executed only when there is + // DrawViewShell available to which we can forward this call. This has + // technical reasons: The actual code to accept or execute a shape drop + // is implemented in the ViewShell class and uses the page view of the + // main edit view. This is not possible without a DrawViewShell. + std::shared_ptr<DrawViewShell> pDrawViewShell; + if (mrSlideSorter.GetViewShell() != nullptr) + pDrawViewShell = std::dynamic_pointer_cast<DrawViewShell>( + mrSlideSorter.GetViewShell()->GetViewShellBase().GetMainViewShell()); + if (pDrawViewShell != nullptr + && (pDrawViewShell->GetShellType() == ViewShell::ST_IMPRESS + || pDrawViewShell->GetShellType() == ViewShell::ST_DRAW)) + { + // The drop is only accepted or executed when it takes place over a + // page object. Therefore we replace a missing page number by the + // number of the page under the mouse. + if (nPage == SDRPAGE_NOTFOUND) + { + model::SharedPageDescriptor pDescriptor ( + mrSlideSorter.GetModel().GetPageDescriptor( + mrSlideSorter.GetView().GetPageIndexAtPoint(rPosition))); + if (pDescriptor) + nPage = pDescriptor->GetPageIndex(); + } + + // Now comes the code that is different for the Execute and Accept: + // We simply forward the call to the AcceptDrop() or ExecuteDrop() + // methods of the DrawViewShell in the center pane. + if (nPage != SDRPAGE_NOTFOUND) + switch (eCommand) + { + case DC_ACCEPT: + nResult = pDrawViewShell->AcceptDrop( + *static_cast<const AcceptDropEvent*>(pDropEvent), + rTargetHelper, + pTargetWindow, + nPage, + nLayer); + break; + + case DC_EXECUTE: + nResult = pDrawViewShell->ExecuteDrop( + *static_cast<const ExecuteDropEvent*>(pDropEvent), + rTargetHelper, + pTargetWindow, + nPage, + nLayer); + break; + } + } + + return nResult; +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsCurrentSlideManager.cxx b/sd/source/ui/slidesorter/controller/SlsCurrentSlideManager.cxx new file mode 100644 index 000000000..9203c06e8 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsCurrentSlideManager.cxx @@ -0,0 +1,256 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <SlideSorter.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <controller/SlsPageSelector.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <controller/SlsFocusManager.hxx> +#include <view/SlideSorterView.hxx> +#include <ViewShellBase.hxx> +#include <ViewShell.hxx> +#include <DrawViewShell.hxx> +#include <sdpage.hxx> +#include <FrameView.hxx> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/frame/XController.hpp> +#include <osl/diagnose.h> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; + +using namespace ::sd::slidesorter::model; + +namespace sd::slidesorter::controller { + +CurrentSlideManager::CurrentSlideManager (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + mnCurrentSlideIndex(-1), + maSwitchPageDelayTimer("sd CurrentSlideManager maSwitchPageDelayTimer") +{ + maSwitchPageDelayTimer.SetTimeout(100); + maSwitchPageDelayTimer.SetInvokeHandler(LINK(this,CurrentSlideManager,SwitchPageCallback)); +} + +CurrentSlideManager::~CurrentSlideManager() +{ +} + +void CurrentSlideManager::NotifyCurrentSlideChange (const SdPage* pPage) +{ + if (pPage != nullptr) + NotifyCurrentSlideChange( + mrSlideSorter.GetModel().GetIndex( + Reference<drawing::XDrawPage>( + const_cast<SdPage*>(pPage)->getUnoPage(), + UNO_QUERY))); + else + NotifyCurrentSlideChange(-1); +} + +void CurrentSlideManager::NotifyCurrentSlideChange (const sal_Int32 nSlideIndex) +{ + if (mnCurrentSlideIndex == nSlideIndex) + return; + + PageSelector::BroadcastLock aBroadcastLock (mrSlideSorter.GetController().GetPageSelector()); + + mrSlideSorter.GetController().GetPageSelector().DeselectAllPages(); + + ReleaseCurrentSlide(); + AcquireCurrentSlide(nSlideIndex); + + // Update the selection. + if (mpCurrentSlide) + { + mrSlideSorter.GetController().GetPageSelector().SelectPage(mpCurrentSlide); + mrSlideSorter.GetController().GetFocusManager().SetFocusedPage(mpCurrentSlide); + } +} + +void CurrentSlideManager::ReleaseCurrentSlide() +{ + if (mpCurrentSlide) + mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, false); + + mpCurrentSlide.reset(); + mnCurrentSlideIndex = -1; +} + +void CurrentSlideManager::AcquireCurrentSlide (const sal_Int32 nSlideIndex) +{ + mnCurrentSlideIndex = nSlideIndex; + + // if current slide valid + if (mnCurrentSlideIndex >= 0 && mnCurrentSlideIndex<mrSlideSorter.GetModel().GetPageCount()) + { + // Get a descriptor for the XDrawPage reference. Note that the + // given XDrawPage may or may not be member of the slide sorter + // document. + mpCurrentSlide = mrSlideSorter.GetModel().GetPageDescriptor(mnCurrentSlideIndex); + if (mpCurrentSlide) + mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, true); + } +} + +void CurrentSlideManager::SwitchCurrentSlide ( + const sal_Int32 nSlideIndex) +{ + SwitchCurrentSlide(mrSlideSorter.GetModel().GetPageDescriptor(nSlideIndex), true/*bUpdateSelection*/); +} + +void CurrentSlideManager::SwitchCurrentSlide ( + const SharedPageDescriptor& rpDescriptor, + const bool bUpdateSelection) +{ + if (!rpDescriptor || mpCurrentSlide==rpDescriptor) + return; + + ReleaseCurrentSlide(); + AcquireCurrentSlide((rpDescriptor->GetPage()->GetPageNum()-1)/2); + + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + if (pViewShell != nullptr && pViewShell->IsMainViewShell()) + { + // The slide sorter is the main view. + FrameView* pFrameView = pViewShell->GetFrameView(); + if (pFrameView != nullptr) + pFrameView->SetSelectedPage(sal::static_int_cast<sal_uInt16>(mnCurrentSlideIndex)); + mrSlideSorter.GetController().GetPageSelector().SetCoreSelection(); + } + + // We do not tell the XController/ViewShellBase about the new + // slide right away. This is done asynchronously after a short + // delay to allow for more slide switches in the slide sorter. + // This goes under the assumption that slide switching inside + // the slide sorter is fast (no expensive redraw of the new page + // (unless the preview of the new slide is not yet preset)) and + // that slide switching in the edit view is slow (all shapes of + // the new slide have to be repainted.) + maSwitchPageDelayTimer.Start(); + + // We have to store the (index of the) new current slide at + // the tab control because there are other asynchronous + // notifications of the slide switching that otherwise + // overwrite the correct value. + SetCurrentSlideAtTabControl(mpCurrentSlide); + + if (bUpdateSelection) + { + mrSlideSorter.GetController().GetPageSelector().DeselectAllPages(); + mrSlideSorter.GetController().GetPageSelector().SelectPage(rpDescriptor); + } + mrSlideSorter.GetController().GetFocusManager().SetFocusedPage(rpDescriptor); +} + +void CurrentSlideManager::SetCurrentSlideAtViewShellBase (const SharedPageDescriptor& rpDescriptor) +{ + OSL_ASSERT(rpDescriptor); + + ViewShellBase* pBase = mrSlideSorter.GetViewShellBase(); + if (pBase != nullptr) + { + DrawViewShell* pDrawViewShell = dynamic_cast<DrawViewShell*>( + pBase->GetMainViewShell().get()); + if (pDrawViewShell != nullptr) + { + sal_uInt16 nPageNumber = (rpDescriptor->GetPage()->GetPageNum()-1)/2; + pDrawViewShell->SwitchPage(nPageNumber); + TabControl& rPageTabControl = pDrawViewShell->GetPageTabControl(); + rPageTabControl.SetCurPageId(rPageTabControl.GetPageId(nPageNumber)); + } + } +} + +void CurrentSlideManager::SetCurrentSlideAtTabControl (const SharedPageDescriptor& rpDescriptor) +{ + OSL_ASSERT(rpDescriptor); + + ViewShellBase* pBase = mrSlideSorter.GetViewShellBase(); + if (pBase != nullptr) + { + std::shared_ptr<DrawViewShell> pDrawViewShell ( + std::dynamic_pointer_cast<DrawViewShell>(pBase->GetMainViewShell())); + if (pDrawViewShell) + { + sal_uInt16 nPageNumber = (rpDescriptor->GetPage()->GetPageNum()-1)/2; + TabControl& rPageTabControl = pDrawViewShell->GetPageTabControl(); + rPageTabControl.SetCurPageId(rPageTabControl.GetPageId(nPageNumber)); + } + } +} + +void CurrentSlideManager::SetCurrentSlideAtXController (const SharedPageDescriptor& rpDescriptor) +{ + OSL_ASSERT(rpDescriptor); + + try + { + Reference<beans::XPropertySet> xSet (mrSlideSorter.GetXController(), UNO_QUERY); + if (xSet.is()) + { + Any aPage; + aPage <<= rpDescriptor->GetPage()->getUnoPage(); + xSet->setPropertyValue( "CurrentPage", aPage ); + } + } + catch (const Exception&) + { + // We have not been able to set the current page at the main view. + // This is sad but still leaves us in a valid state. Therefore, + // this exception is silently ignored. + } +} + +void CurrentSlideManager::PrepareModelChange() +{ + mpCurrentSlide.reset(); +} + +void CurrentSlideManager::HandleModelChange() +{ + if (mnCurrentSlideIndex >= 0) + { + mpCurrentSlide = mrSlideSorter.GetModel().GetPageDescriptor(mnCurrentSlideIndex); + if (mpCurrentSlide) + mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, true); + } +} + +IMPL_LINK_NOARG(CurrentSlideManager, SwitchPageCallback, Timer *, void) +{ + if (mpCurrentSlide) + { + // Set current page. At the moment we have to do this in two + // different ways. The UNO way is the preferable one but, alas, + // it does not work always correctly (after some kinds of model + // changes). Therefore, we call DrawViewShell::SwitchPage(), + // too. + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + if (pViewShell==nullptr || ! pViewShell->IsMainViewShell()) + SetCurrentSlideAtViewShellBase(mpCurrentSlide); + SetCurrentSlideAtXController(mpCurrentSlide); + } +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.cxx b/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.cxx new file mode 100644 index 000000000..f447c5656 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.cxx @@ -0,0 +1,120 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include "SlsDragAndDropContext.hxx" + +#include <SlideSorter.hxx> +#include <model/SlideSorterModel.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsInsertionIndicatorHandler.hxx> +#include <controller/SlsScrollBarManager.hxx> +#include <controller/SlsProperties.hxx> +#include <controller/SlsClipboard.hxx> +#include <controller/SlsTransferableData.hxx> +#include <Window.hxx> +#include <sdtreelb.hxx> +#include <sdmod.hxx> + +namespace sd::slidesorter::controller { + +DragAndDropContext::DragAndDropContext (SlideSorter& rSlideSorter) + : mpTargetSlideSorter(&rSlideSorter), + mnInsertionIndex(-1) +{ + // No Drag-and-Drop for master pages. + if (rSlideSorter.GetModel().GetEditMode() != EditMode::Page) + return; + + // For properly handling transferables created by the navigator we + // need additional information. For this a user data object is + // created that contains the necessary information. + SdTransferable* pTransferable = SD_MOD()->pTransferDrag; + SdPageObjsTLV::SdPageObjsTransferable* pTreeListBoxTransferable + = dynamic_cast<SdPageObjsTLV::SdPageObjsTransferable*>(pTransferable); + if (pTreeListBoxTransferable!=nullptr && !TransferableData::GetFromTransferable(pTransferable)) + { + pTransferable->AddUserData( + sd::slidesorter::controller::Clipboard::CreateTransferableUserData(pTransferable)); + } + + rSlideSorter.GetController().GetInsertionIndicatorHandler()->UpdateIndicatorIcon(pTransferable); +} + +DragAndDropContext::~DragAndDropContext() COVERITY_NOEXCEPT_FALSE +{ + SetTargetSlideSorter(); +} + +void DragAndDropContext::Dispose() +{ + mnInsertionIndex = -1; +} + +void DragAndDropContext::UpdatePosition ( + const Point& rMousePosition, + const InsertionIndicatorHandler::Mode eMode, + const bool bAllowAutoScroll) +{ + if (mpTargetSlideSorter == nullptr) + return; + + if (mpTargetSlideSorter->GetProperties()->IsUIReadOnly()) + return; + + // Convert window coordinates into model coordinates (we need the + // window coordinates for auto-scrolling because that remains + // constant while scrolling.) + sd::Window *pWindow = mpTargetSlideSorter->GetContentWindow().get(); + const Point aMouseModelPosition (pWindow->PixelToLogic(rMousePosition)); + std::shared_ptr<InsertionIndicatorHandler> pInsertionIndicatorHandler ( + mpTargetSlideSorter->GetController().GetInsertionIndicatorHandler()); + + bool bDoAutoScroll = bAllowAutoScroll + && mpTargetSlideSorter->GetController().GetScrollBarManager().AutoScroll( + rMousePosition, + [this, eMode, rMousePosition] () { + return this->UpdatePosition(rMousePosition, eMode, false); + }); + + if (!bDoAutoScroll) + { + pInsertionIndicatorHandler->UpdatePosition(aMouseModelPosition, eMode); + + // Remember the new insertion index. + mnInsertionIndex = pInsertionIndicatorHandler->GetInsertionPageIndex(); + if (pInsertionIndicatorHandler->IsInsertionTrivial(mnInsertionIndex, eMode)) + mnInsertionIndex = -1; + } +} + +void DragAndDropContext::SetTargetSlideSorter() +{ + if (mpTargetSlideSorter != nullptr) + { + mpTargetSlideSorter->GetController().GetScrollBarManager().StopAutoScroll(); + mpTargetSlideSorter->GetController().GetInsertionIndicatorHandler()->End( + Animator::AM_Animated); + } + + mpTargetSlideSorter = nullptr; +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.hxx b/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.hxx new file mode 100644 index 000000000..cbeb11f8b --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsDragAndDropContext.hxx @@ -0,0 +1,68 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <controller/SlsInsertionIndicatorHandler.hxx> + +class Point; + +namespace sd::slidesorter +{ +class SlideSorter; +} + +namespace sd::slidesorter::controller +{ +/** A DragAndDropContext object handles an active drag and drop operation. + When the mouse is moved from one slide sorter window to another the + target SlideSorter object is exchanged accordingly. +*/ +class DragAndDropContext +{ +public: + /** Create a substitution display of the currently selected pages or, + when provided, the pages in the transferable. + */ + explicit DragAndDropContext(SlideSorter& rSlideSorter); + ~DragAndDropContext() COVERITY_NOEXCEPT_FALSE; + + /** Call this method (for example as reaction to ESC key press) to avoid + processing (ie moving or inserting) the substitution when the called + DragAndDropContext object is destroyed. + */ + void Dispose(); + + /** Move the substitution display by the distance the mouse has + travelled since the last call to this method or to + CreateSubstitution(). The given point becomes the new anchor. + */ + void UpdatePosition(const Point& rMousePosition, const InsertionIndicatorHandler::Mode eMode, + const bool bAllowAutoScroll); + + void SetTargetSlideSorter(); + +private: + SlideSorter* mpTargetSlideSorter; + sal_Int32 mnInsertionIndex; +}; + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsFocusManager.cxx b/sd/source/ui/slidesorter/controller/SlsFocusManager.cxx new file mode 100644 index 000000000..59027f5a8 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsFocusManager.cxx @@ -0,0 +1,245 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsFocusManager.hxx> + +#include <SlideSorter.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <controller/SlsVisibleAreaManager.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <view/SlideSorterView.hxx> +#include <view/SlsLayouter.hxx> +#include <osl/diagnose.h> + +#include <Window.hxx> +#include <sdpage.hxx> + +namespace sd::slidesorter::controller { + +FocusManager::FocusManager (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + mnPageIndex(0), + mbPageIsFocused(false) +{ + if (mrSlideSorter.GetModel().GetPageCount() > 0) + mnPageIndex = 0; +} + +FocusManager::~FocusManager() +{ +} + +void FocusManager::MoveFocus (FocusMoveDirection eDirection) +{ + if (!(mnPageIndex >= 0 && mbPageIsFocused)) + return; + + HideFocusIndicator (GetFocusedPageDescriptor()); + + const sal_Int32 nColumnCount (mrSlideSorter.GetView().GetLayouter().GetColumnCount()); + const sal_Int32 nPageCount (mrSlideSorter.GetModel().GetPageCount()); + switch (eDirection) + { + case FocusMoveDirection::Left: + if (mnPageIndex > 0) + mnPageIndex -= 1; + break; + + case FocusMoveDirection::Right: + if (mnPageIndex < nPageCount-1) + mnPageIndex += 1; + break; + + case FocusMoveDirection::Up: + { + const sal_Int32 nCandidate (mnPageIndex - nColumnCount); + if (nCandidate >= 0) + { + // Move the focus the previous row. + mnPageIndex = nCandidate; + } + } + break; + + case FocusMoveDirection::Down: + { + const sal_Int32 nCandidate (mnPageIndex + nColumnCount); + if (nCandidate < nPageCount) + { + // Move the focus to the next row. + mnPageIndex = nCandidate; + } + } + break; + } + + if (mnPageIndex < 0) + { + OSL_ASSERT(mnPageIndex>=0); + mnPageIndex = 0; + } + else if (mnPageIndex >= nPageCount) + { + OSL_ASSERT(mnPageIndex<nPageCount); + mnPageIndex = nPageCount - 1; + } + + if (mbPageIsFocused) + { + ShowFocusIndicator(GetFocusedPageDescriptor(), true); + } +} + +void FocusManager::ShowFocus (const bool bScrollToFocus) +{ + mbPageIsFocused = true; + ShowFocusIndicator(GetFocusedPageDescriptor(), bScrollToFocus); +} + +void FocusManager::HideFocus() +{ + mbPageIsFocused = false; + HideFocusIndicator(GetFocusedPageDescriptor()); +} + +bool FocusManager::ToggleFocus() +{ + if (mnPageIndex >= 0) + { + if (mbPageIsFocused) + HideFocus (); + else + ShowFocus (); + } + return mbPageIsFocused; +} + +bool FocusManager::HasFocus() const +{ + return mrSlideSorter.GetContentWindow()->HasFocus(); +} + +model::SharedPageDescriptor FocusManager::GetFocusedPageDescriptor() const +{ + return mrSlideSorter.GetModel().GetPageDescriptor(mnPageIndex); +} + +bool FocusManager::SetFocusedPage (const model::SharedPageDescriptor& rpDescriptor) +{ + if (rpDescriptor) + { + FocusHider aFocusHider (*this); + mnPageIndex = (rpDescriptor->GetPage()->GetPageNum()-1)/2; + return true; + } + return false; +} + +void FocusManager::SetFocusedPage (sal_Int32 nPageIndex) +{ + FocusHider aFocusHider (*this); + mnPageIndex = nPageIndex; +} + +bool FocusManager::SetFocusedPageToCurrentPage() +{ + return SetFocusedPage(mrSlideSorter.GetController().GetCurrentSlideManager()->GetCurrentSlide()); +} + +bool FocusManager::IsFocusShowing() const +{ + return HasFocus() && mbPageIsFocused; +} + +void FocusManager::HideFocusIndicator (const model::SharedPageDescriptor& rpDescriptor) +{ + if (rpDescriptor) + { + mrSlideSorter.GetView().SetState(rpDescriptor, model::PageDescriptor::ST_Focused, false); + + // Hide focus should also fire the focus event, Currently, only accessibility add the focus listener + NotifyFocusChangeListeners(); + } +} + +void FocusManager::ShowFocusIndicator ( + const model::SharedPageDescriptor& rpDescriptor, + const bool bScrollToFocus) +{ + if (!rpDescriptor) + return; + + mrSlideSorter.GetView().SetState(rpDescriptor, model::PageDescriptor::ST_Focused, true); + + if (bScrollToFocus) + { + // Scroll the focused page object into the visible area and repaint + // it, so that the focus indicator becomes visible. + mrSlideSorter.GetController().GetVisibleAreaManager().RequestVisible(rpDescriptor,true); + } + mrSlideSorter.GetView().RequestRepaint(rpDescriptor); + + NotifyFocusChangeListeners(); +} + +void FocusManager::AddFocusChangeListener (const Link<LinkParamNone*,void>& rListener) +{ + if (::std::find (maFocusChangeListeners.begin(), maFocusChangeListeners.end(), rListener) + == maFocusChangeListeners.end()) + { + maFocusChangeListeners.push_back (rListener); + } +} + +void FocusManager::RemoveFocusChangeListener (const Link<LinkParamNone*,void>& rListener) +{ + maFocusChangeListeners.erase ( + ::std::find (maFocusChangeListeners.begin(), maFocusChangeListeners.end(), rListener)); +} + +void FocusManager::NotifyFocusChangeListeners() const +{ + // Create a copy of the listener list to be safe when that is modified. + ::std::vector<Link<LinkParamNone*,void>> aListeners (maFocusChangeListeners); + + // Tell the selection change listeners that the selection has changed. + for (const auto& rListener : aListeners) + { + rListener.Call(nullptr); + } +} + +FocusManager::FocusHider::FocusHider (FocusManager& rManager) +: mbFocusVisible(rManager.IsFocusShowing()) +, mrManager(rManager) +{ + mrManager.HideFocus(); +} + +FocusManager::FocusHider::~FocusHider() COVERITY_NOEXCEPT_FALSE +{ + if (mbFocusVisible) + mrManager.ShowFocus(); +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsInsertionIndicatorHandler.cxx b/sd/source/ui/slidesorter/controller/SlsInsertionIndicatorHandler.cxx new file mode 100644 index 000000000..ff1a05ef1 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsInsertionIndicatorHandler.cxx @@ -0,0 +1,243 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsInsertionIndicatorHandler.hxx> +#include <view/SlideSorterView.hxx> +#include <view/SlsLayouter.hxx> +#include <view/SlsInsertAnimator.hxx> +#include <view/SlsInsertionIndicatorOverlay.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageEnumerationProvider.hxx> +#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp> +#include <osl/diagnose.h> + +#include <SlideSorter.hxx> + +using namespace ::com::sun::star::datatransfer::dnd::DNDConstants; + +namespace sd::slidesorter::controller { + +InsertionIndicatorHandler::InsertionIndicatorHandler (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + mpInsertionIndicatorOverlay(std::make_shared<view::InsertionIndicatorOverlay>(rSlideSorter)), + meMode(MoveMode), + mbIsInsertionTrivial(false), + mbIsActive(false), + mbIsReadOnly(mrSlideSorter.GetModel().IsReadOnly()), + mbIsOverSourceView(true), + maIconSize(0,0), + mbIsForcedShow(false) +{ +} + +InsertionIndicatorHandler::~InsertionIndicatorHandler() COVERITY_NOEXCEPT_FALSE +{ +} + +void InsertionIndicatorHandler::Start (const bool bIsOverSourceView) +{ + if (mbIsActive) + { + OSL_ASSERT(!mbIsActive); + } + + mbIsReadOnly = mrSlideSorter.GetModel().IsReadOnly(); + if (mbIsReadOnly) + return; + + mbIsActive = true; + mbIsOverSourceView = bIsOverSourceView; +} + +void InsertionIndicatorHandler::End (const controller::Animator::AnimationMode eMode) +{ + if (mbIsForcedShow || ! mbIsActive || mbIsReadOnly) + return; + + GetInsertAnimator()->Reset(eMode); + + mbIsActive = false; + // maInsertPosition = view::InsertPosition(); + meMode = UnknownMode; + + mpInsertionIndicatorOverlay->Hide(); + mpInsertionIndicatorOverlay = std::make_shared<view::InsertionIndicatorOverlay>(mrSlideSorter); +} + +void InsertionIndicatorHandler::ForceShow() +{ + mbIsForcedShow = true; +} + +void InsertionIndicatorHandler::ForceEnd() +{ + mbIsForcedShow = false; + End(Animator::AM_Immediate); +} + +void InsertionIndicatorHandler::UpdateIndicatorIcon (const SdTransferable* pTransferable) +{ + mpInsertionIndicatorOverlay->Create(pTransferable); + maIconSize = mpInsertionIndicatorOverlay->GetSize(); +} + +InsertionIndicatorHandler::Mode InsertionIndicatorHandler::GetModeFromDndAction ( + const sal_Int8 nDndAction) +{ + if ((nDndAction & ACTION_MOVE) != 0) + return MoveMode; + else if ((nDndAction & ACTION_COPY) != 0) + return CopyMode; + else + return UnknownMode; +} + +void InsertionIndicatorHandler::UpdatePosition ( + const Point& rMouseModelPosition, + const Mode eMode) +{ + if ( ! mbIsActive) + return; + + if (mbIsReadOnly) + return; + + SetPosition(rMouseModelPosition, eMode); +} + +void InsertionIndicatorHandler::UpdatePosition ( + const Point& rMouseModelPosition, + const sal_Int8 nDndAction) +{ + UpdatePosition(rMouseModelPosition, GetModeFromDndAction(nDndAction)); +} + +sal_Int32 InsertionIndicatorHandler::GetInsertionPageIndex() const +{ + if (mbIsReadOnly) + return -1; + else + return maInsertPosition.GetIndex(); +} + +void InsertionIndicatorHandler::SetPosition ( + const Point& rPoint, + const Mode eMode) +{ + view::Layouter& rLayouter (mrSlideSorter.GetView().GetLayouter()); + + const view::InsertPosition aInsertPosition (rLayouter.GetInsertPosition( + rPoint, + maIconSize, + mrSlideSorter.GetModel())); + + if (maInsertPosition == aInsertPosition && meMode == eMode) + return; + + maInsertPosition = aInsertPosition; + meMode = eMode; + mbIsInsertionTrivial = IsInsertionTrivial(maInsertPosition.GetIndex(), eMode); + if (maInsertPosition.GetIndex()>=0 && ! mbIsInsertionTrivial) + { + mpInsertionIndicatorOverlay->SetLocation(maInsertPosition.GetLocation()); + + GetInsertAnimator()->SetInsertPosition(maInsertPosition); + mpInsertionIndicatorOverlay->Show(); + } + else + { + GetInsertAnimator()->Reset(Animator::AM_Animated); + mpInsertionIndicatorOverlay->Hide(); + } +} + +std::shared_ptr<view::InsertAnimator> const & InsertionIndicatorHandler::GetInsertAnimator() +{ + if ( ! mpInsertAnimator) + mpInsertAnimator = std::make_shared<view::InsertAnimator>(mrSlideSorter); + return mpInsertAnimator; +} + +bool InsertionIndicatorHandler::IsInsertionTrivial ( + const sal_Int32 nInsertionIndex, + const Mode eMode) const +{ + if (eMode == CopyMode) + return false; + else if (eMode == UnknownMode) + return true; + + if ( ! mbIsOverSourceView) + return false; + + // Iterate over all selected pages and check whether there are + // holes. While we do this we remember the indices of the first and + // last selected page as preparation for the next step. + sal_Int32 nCurrentIndex = -1; + sal_Int32 nFirstIndex = -1; + sal_Int32 nLastIndex = -1; + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + while (aSelectedPages.HasMoreElements()) + { + model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement()); + + // Get the page number and compare it to the last one. + const sal_Int32 nPageNumber (pDescriptor->GetPageIndex()); + if (nCurrentIndex>=0 && nPageNumber>(nCurrentIndex+1)) + return false; + else + nCurrentIndex = nPageNumber; + + // Remember indices of the first and last page of the selection. + if (nFirstIndex == -1) + nFirstIndex = nPageNumber; + nLastIndex = nPageNumber; + } + + // When we come here then the selection has no holes. We still have + // to check that the insertion position is not directly in front or + // directly behind the selection and thus moving the selection there + // would not change the model. + return nInsertionIndex >= nFirstIndex && nInsertionIndex <= (nLastIndex+1); +} + +bool InsertionIndicatorHandler::IsInsertionTrivial (const sal_Int8 nDndAction) +{ + return IsInsertionTrivial(GetInsertionPageIndex(), GetModeFromDndAction(nDndAction)); +} + +//===== InsertionIndicatorHandler::ForceShowContext =========================== + +InsertionIndicatorHandler::ForceShowContext::ForceShowContext ( + const std::shared_ptr<InsertionIndicatorHandler>& rpHandler) + : mpHandler(rpHandler) +{ + mpHandler->ForceShow(); +} + +InsertionIndicatorHandler::ForceShowContext::~ForceShowContext() COVERITY_NOEXCEPT_FALSE +{ + mpHandler->ForceEnd(); +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsListener.cxx b/sd/source/ui/slidesorter/controller/SlsListener.cxx new file mode 100644 index 000000000..000f42da2 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsListener.cxx @@ -0,0 +1,597 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include "SlsListener.hxx" + +#include <SlideSorter.hxx> +#include <ViewShell.hxx> +#include <ViewShellHint.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsPageSelector.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <controller/SlsSelectionManager.hxx> +#include <controller/SlsSelectionObserver.hxx> +#include <model/SlideSorterModel.hxx> +#include <view/SlideSorterView.hxx> +#include <cache/SlsPageCache.hxx> +#include <cache/SlsPageCacheManager.hxx> +#include <drawdoc.hxx> +#include <sdpage.hxx> +#include <DrawDocShell.hxx> +#include <svx/svdpage.hxx> + +#include <ViewShellBase.hxx> +#include <EventMultiplexer.hxx> +#include <com/sun/star/document/XEventBroadcaster.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/frame/FrameActionEvent.hpp> +#include <com/sun/star/frame/FrameAction.hpp> +#include <tools/debug.hxx> +#include <tools/diagnose_ex.h> + +using namespace ::com::sun::star::accessibility; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star; + +namespace sd::slidesorter::controller { + +Listener::Listener ( + SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + mrController(mrSlideSorter.GetController()), + mpBase(mrSlideSorter.GetViewShellBase()), + mbListeningToDocument (false), + mbListeningToUNODocument (false), + mbListeningToController (false), + mbListeningToFrame (false), + mbIsMainViewChangePending(false) +{ + StartListening(*mrSlideSorter.GetModel().GetDocument()); + StartListening(*mrSlideSorter.GetModel().GetDocument()->GetDocSh()); + mbListeningToDocument = true; + + // Connect to the UNO document. + Reference<document::XEventBroadcaster> xBroadcaster ( + mrSlideSorter.GetModel().GetDocument()->getUnoModel(), uno::UNO_QUERY); + if (xBroadcaster.is()) + { + xBroadcaster->addEventListener (this); + mbListeningToUNODocument = true; + } + + // Listen for disposing events from the document. + Reference<XComponent> xComponent (xBroadcaster, UNO_QUERY); + if (xComponent.is()) + xComponent->addEventListener ( + Reference<lang::XEventListener>( + static_cast<XWeak*>(this), UNO_QUERY)); + + // Connect to the frame to listen for controllers being exchanged. + bool bIsMainViewShell (false); + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + if (pViewShell != nullptr) + bIsMainViewShell = pViewShell->IsMainViewShell(); + if ( ! bIsMainViewShell) + { + // Listen to changes of certain properties. + Reference<frame::XFrame> xFrame; + Reference<frame::XController> xController (mrSlideSorter.GetXController()); + if (xController.is()) + xFrame = xController->getFrame(); + mxFrameWeak = xFrame; + if (xFrame.is()) + { + xFrame->addFrameActionListener(Reference<frame::XFrameActionListener>(this)); + mbListeningToFrame = true; + } + + // Connect to the current controller. + ConnectToController (); + } + + // Listen for hints of the MainViewShell as well. If that is not yet + // present then the EventMultiplexer will tell us when it is available. + if (mpBase != nullptr) + { + ViewShell* pMainViewShell = mpBase->GetMainViewShell().get(); + if (pMainViewShell != nullptr + && pMainViewShell!=pViewShell) + { + StartListening(*pMainViewShell); + } + + Link<tools::EventMultiplexerEvent&,void> aLink (LINK(this, Listener, EventMultiplexerCallback)); + mpBase->GetEventMultiplexer()->AddEventListener(aLink); + } +} + +Listener::~Listener() +{ + DBG_ASSERT( !mbListeningToDocument && !mbListeningToUNODocument && !mbListeningToFrame, + "sd::Listener::~Listener(), disposing() was not called, ask DBO!" ); +} + +void Listener::ReleaseListeners() +{ + if (mbListeningToDocument) + { + EndListening(*mrSlideSorter.GetModel().GetDocument()->GetDocSh()); + EndListening(*mrSlideSorter.GetModel().GetDocument()); + mbListeningToDocument = false; + } + + if (mbListeningToUNODocument) + { + Reference<document::XEventBroadcaster> xBroadcaster ( + mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY); + if (xBroadcaster.is()) + xBroadcaster->removeEventListener (this); + + // Remove the dispose listener. + Reference<XComponent> xComponent (xBroadcaster, UNO_QUERY); + if (xComponent.is()) + xComponent->removeEventListener ( + Reference<lang::XEventListener>( + static_cast<XWeak*>(this), UNO_QUERY)); + + mbListeningToUNODocument = false; + } + + if (mbListeningToFrame) + { + // Listen to changes of certain properties. + Reference<frame::XFrame> xFrame (mxFrameWeak); + if (xFrame.is()) + { + xFrame->removeFrameActionListener(Reference<frame::XFrameActionListener>(this)); + mbListeningToFrame = false; + } + } + + DisconnectFromController (); + + if (mpBase != nullptr) + { + Link<sd::tools::EventMultiplexerEvent&,void> aLink (LINK(this, Listener, EventMultiplexerCallback)); + mpBase->GetEventMultiplexer()->RemoveEventListener(aLink); + } +} + +void Listener::ConnectToController() +{ + ViewShell* pShell = mrSlideSorter.GetViewShell(); + + // Register at the controller of the main view shell (if we are that not + // ourself). + if (pShell!=nullptr && pShell->IsMainViewShell()) + return; + + Reference<frame::XController> xController (mrSlideSorter.GetXController()); + + // Listen to changes of certain properties. + Reference<beans::XPropertySet> xSet (xController, UNO_QUERY); + if (xSet.is()) + { + try + { + xSet->addPropertyChangeListener("CurrentPage", this); + } + catch (beans::UnknownPropertyException&) + { + DBG_UNHANDLED_EXCEPTION("sd"); + } + try + { + xSet->addPropertyChangeListener("IsMasterPageMode", this); + } + catch (beans::UnknownPropertyException&) + { + DBG_UNHANDLED_EXCEPTION("sd"); + } + } + + // Listen for disposing events. + if (xController.is()) + { + xController->addEventListener ( + Reference<lang::XEventListener>(static_cast<XWeak*>(this), UNO_QUERY)); + + mxControllerWeak = xController; + mbListeningToController = true; + } +} + +void Listener::DisconnectFromController() +{ + if (!mbListeningToController) + return; + + Reference<frame::XController> xController = mxControllerWeak; + Reference<beans::XPropertySet> xSet (xController, UNO_QUERY); + try + { + // Remove the property listener. + if (xSet.is()) + { + xSet->removePropertyChangeListener( "CurrentPage", this ); + xSet->removePropertyChangeListener( "IsMasterPageMode", this); + } + + // Remove the dispose listener. + if (xController.is()) + xController->removeEventListener ( + Reference<lang::XEventListener>( + static_cast<XWeak*>(this), UNO_QUERY)); + } + catch (beans::UnknownPropertyException&) + { + DBG_UNHANDLED_EXCEPTION("sd"); + } + + mbListeningToController = false; + mxControllerWeak = Reference<frame::XController>(); +} + +void Listener::Notify ( + SfxBroadcaster& rBroadcaster, + const SfxHint& rHint) +{ + if (rHint.GetId() == SfxHintId::ThisIsAnSdrHint) + { + const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint); + switch (pSdrHint->GetKind()) + { + case SdrHintKind::ModelCleared: + if (&rBroadcaster == mrSlideSorter.GetModel().GetDocument()) + { // rhbz#965646 stop listening to dying document + EndListening(rBroadcaster); + return; + } + break; + case SdrHintKind::PageOrderChange: + if (&rBroadcaster == mrSlideSorter.GetModel().GetDocument()) + HandleModelChange(pSdrHint->GetPage()); + break; + + default: + break; + } + } + else if (rHint.GetId() == SfxHintId::DocChanged) + { + mrController.CheckForMasterPageAssignment(); + mrController.CheckForSlideTransitionAssignment(); + } + else if (auto pViewShellHint = dynamic_cast<const ViewShellHint*>(&rHint)) + { + switch (pViewShellHint->GetHintId()) + { + case ViewShellHint::HINT_PAGE_RESIZE_START: + // Initiate a model change but do nothing (well, not much) + // until we are told that all slides have been resized. + mpModelChangeLock.reset(new SlideSorterController::ModelChangeLock(mrController), + o3tl::default_delete<SlideSorterController::ModelChangeLock>()); + mrController.HandleModelChange(); + break; + + case ViewShellHint::HINT_PAGE_RESIZE_END: + // All slides have been resized. The model has to be updated. + mpModelChangeLock.reset(); + break; + + case ViewShellHint::HINT_CHANGE_EDIT_MODE_START: + mrController.PrepareEditModeChange(); + break; + + case ViewShellHint::HINT_CHANGE_EDIT_MODE_END: + mrController.FinishEditModeChange(); + break; + + case ViewShellHint::HINT_COMPLEX_MODEL_CHANGE_START: + mpModelChangeLock.reset(new SlideSorterController::ModelChangeLock(mrController), + o3tl::default_delete<SlideSorterController::ModelChangeLock>()); + break; + + case ViewShellHint::HINT_COMPLEX_MODEL_CHANGE_END: + mpModelChangeLock.reset(); + break; + } + } +} + +IMPL_LINK(Listener, EventMultiplexerCallback, ::sd::tools::EventMultiplexerEvent&, rEvent, void) +{ + switch (rEvent.meEventId) + { + case EventMultiplexerEventId::MainViewRemoved: + { + if (mpBase != nullptr) + { + ViewShell* pMainViewShell = mpBase->GetMainViewShell().get(); + if (pMainViewShell != nullptr) + EndListening(*pMainViewShell); + } + } + break; + + case EventMultiplexerEventId::MainViewAdded: + mbIsMainViewChangePending = true; + break; + + case EventMultiplexerEventId::ConfigurationUpdated: + if (mbIsMainViewChangePending && mpBase != nullptr) + { + mbIsMainViewChangePending = false; + ViewShell* pMainViewShell = mpBase->GetMainViewShell().get(); + if (pMainViewShell != nullptr + && pMainViewShell!=mrSlideSorter.GetViewShell()) + { + StartListening (*pMainViewShell); + } + } + break; + + case EventMultiplexerEventId::ControllerAttached: + { + ConnectToController(); + // mrController.GetPageSelector().GetCoreSelection(); + UpdateEditMode(); + } + break; + + case EventMultiplexerEventId::ControllerDetached: + DisconnectFromController(); + break; + + case EventMultiplexerEventId::ShapeChanged: + case EventMultiplexerEventId::ShapeInserted: + case EventMultiplexerEventId::ShapeRemoved: + HandleShapeModification(static_cast<const SdrPage*>(rEvent.mpUserData)); + break; + + case EventMultiplexerEventId::EndTextEdit: + if (rEvent.mpUserData != nullptr) + { + const SdrObject* pObject = static_cast<const SdrObject*>(rEvent.mpUserData); + HandleShapeModification(pObject->getSdrPageFromSdrObject()); + } + break; + + default: + break; + } +} + +//===== lang::XEventListener ================================================ + +void SAL_CALL Listener::disposing ( + const lang::EventObject& rEventObject) +{ + if ((mbListeningToDocument || mbListeningToUNODocument) + && mrSlideSorter.GetModel().GetDocument()!=nullptr + && rEventObject.Source + == mrSlideSorter.GetModel().GetDocument()->getUnoModel()) + { + mbListeningToDocument = false; + mbListeningToUNODocument = false; + } + else if (mbListeningToController) + { + Reference<frame::XController> xController (mxControllerWeak); + if (rEventObject.Source == xController) + { + mbListeningToController = false; + } + } +} + +//===== document::XEventListener ============================================ + +void SAL_CALL Listener::notifyEvent ( + const document::EventObject& ) +{ +} + +//===== beans::XPropertySetListener ========================================= + +void SAL_CALL Listener::propertyChange ( + const PropertyChangeEvent& rEvent) +{ + if (m_bDisposed) + { + throw lang::DisposedException ("SlideSorterController object has already been disposed", + static_cast<uno::XWeak*>(this)); + } + + if (rEvent.PropertyName == "CurrentPage") + { + Any aCurrentPage = rEvent.NewValue; + Reference<beans::XPropertySet> xPageSet (aCurrentPage, UNO_QUERY); + if (xPageSet.is()) + { + try + { + Any aPageNumber = xPageSet->getPropertyValue ("Number"); + sal_Int32 nCurrentPage = 0; + aPageNumber >>= nCurrentPage; + // The selection is already set but we call SelectPage() + // nevertheless in order to make the new current page the + // last recently selected page of the PageSelector. This is + // used when making the selection visible. + mrController.GetCurrentSlideManager()->NotifyCurrentSlideChange(nCurrentPage-1); + mrController.GetPageSelector().SelectPage(nCurrentPage-1); + } + catch (beans::UnknownPropertyException&) + { + DBG_UNHANDLED_EXCEPTION("sd"); + } + catch (lang::DisposedException&) + { + // Something is already disposed. There is not much we can + // do, except not to crash. + } + } + } + else if (rEvent.PropertyName == "IsMasterPageMode") + { + bool bIsMasterPageMode = false; + rEvent.NewValue >>= bIsMasterPageMode; + mrController.ChangeEditMode ( + bIsMasterPageMode ? EditMode::MasterPage : EditMode::Page); + } +} + +//===== frame::XFrameActionListener ========================================== + +void SAL_CALL Listener::frameAction (const frame::FrameActionEvent& rEvent) +{ + switch (rEvent.Action) + { + case frame::FrameAction_COMPONENT_DETACHING: + DisconnectFromController(); + break; + + case frame::FrameAction_COMPONENT_REATTACHED: + { + ConnectToController(); + mrController.GetPageSelector().GetCoreSelection(); + UpdateEditMode(); + } + break; + + default: + break; + } +} + +//===== accessibility::XAccessibleEventListener ============================== + +void SAL_CALL Listener::notifyEvent ( + const AccessibleEventObject& ) +{ +} + +void Listener::disposing(std::unique_lock<std::mutex>&) +{ + ReleaseListeners(); +} + +void Listener::UpdateEditMode() +{ + // When there is a new controller then the edit mode may have changed at + // the same time. + Reference<frame::XController> xController (mxControllerWeak); + Reference<beans::XPropertySet> xSet (xController, UNO_QUERY); + bool bIsMasterPageMode = false; + if (xSet != nullptr) + { + try + { + Any aValue (xSet->getPropertyValue( "IsMasterPageMode" )); + aValue >>= bIsMasterPageMode; + } + catch (beans::UnknownPropertyException&) + { + // When the property is not supported then the master page mode + // is not supported, too. + bIsMasterPageMode = false; + } + } + mrController.ChangeEditMode ( + bIsMasterPageMode ? EditMode::MasterPage : EditMode::Page); +} + +void Listener::HandleModelChange (const SdrPage* pPage) +{ + // Notify model and selection observer about the page. The return value + // of the model call acts as filter as to which events to pass to the + // selection observer. + if (mrSlideSorter.GetModel().NotifyPageEvent(pPage)) + { + // The page of the hint belongs (or belonged) to the model. + + // Tell the cache manager that the preview bitmaps for a deleted + // page can be removed from all caches. + if (pPage!=nullptr && ! pPage->IsInserted()) + cache::PageCacheManager::Instance()->ReleasePreviewBitmap(pPage); + + mrController.GetSelectionManager()->GetSelectionObserver()->NotifyPageEvent(pPage); + } + + // Tell the controller about the model change only when the document is + // in a sane state, not just in the middle of a larger change. + SdDrawDocument* pDocument (mrSlideSorter.GetModel().GetDocument()); + if (pDocument != nullptr + && pDocument->GetMasterSdPageCount(PageKind::Standard) == pDocument->GetMasterSdPageCount(PageKind::Notes)) + { + // A model change can make updates of some text fields necessary + // (like page numbers and page count.) Invalidate all previews in + // the cache to cope with this. Doing this on demand would be a + // nice optimization. + cache::PageCacheManager::Instance()->InvalidateAllPreviewBitmaps(pDocument->getUnoModel()); + + mrController.HandleModelChange(); + } +} + +void Listener::HandleShapeModification (const SdrPage* pPage) +{ + if (pPage == nullptr) + return; + + // Invalidate the preview of the page (in all slide sorters that display + // it.) + std::shared_ptr<cache::PageCacheManager> pCacheManager (cache::PageCacheManager::Instance()); + if ( ! pCacheManager) + return; + SdDrawDocument* pDocument = mrSlideSorter.GetModel().GetDocument(); + if (pDocument == nullptr) + { + OSL_ASSERT(pDocument!=nullptr); + return; + } + pCacheManager->InvalidatePreviewBitmap(pDocument->getUnoModel(), pPage); + mrSlideSorter.GetView().GetPreviewCache()->RequestPreviewBitmap(pPage); + + // When the page is a master page then invalidate the previews of all + // pages that are linked to this master page. + if (!pPage->IsMasterPage()) + return; + + for (sal_uInt16 nIndex=0,nCount=pDocument->GetSdPageCount(PageKind::Standard); + nIndex<nCount; + ++nIndex) + { + const SdPage* pCandidate = pDocument->GetSdPage(nIndex, PageKind::Standard); + if (pCandidate!=nullptr && pCandidate->TRG_HasMasterPage()) + { + if (&pCandidate->TRG_GetMasterPage() == pPage) + pCacheManager->InvalidatePreviewBitmap(pDocument->getUnoModel(), pCandidate); + } + else + { + OSL_ASSERT(pCandidate!=nullptr && pCandidate->TRG_HasMasterPage()); + } + } +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsListener.hxx b/sd/source/ui/slidesorter/controller/SlsListener.hxx new file mode 100644 index 000000000..eff02cf19 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsListener.hxx @@ -0,0 +1,164 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <controller/SlideSorterController.hxx> +#include <com/sun/star/document/XEventListener.hpp> +#include <com/sun/star/beans/XPropertyChangeListener.hpp> +#include <com/sun/star/accessibility/XAccessibleEventListener.hpp> +#include <com/sun/star/frame/XFrameActionListener.hpp> +#include <comphelper/compbase.hxx> +#include <cppuhelper/weakref.hxx> + +#include <svl/lstner.hxx> +#include <tools/link.hxx> +#include <memory> + +class SdrPage; + +namespace sd { +class ViewShellBase; +} + +namespace sd::tools { class EventMultiplexerEvent; } +namespace sd::slidesorter { class SlideSorter; } + +namespace sd::slidesorter::controller { + +typedef comphelper::WeakComponentImplHelper< + css::document::XEventListener, + css::beans::XPropertyChangeListener, + css::accessibility::XAccessibleEventListener, + css::frame::XFrameActionListener + > ListenerInterfaceBase; + +/** Listen for events of various types and sources and react to them. This + class is a part of the controller. + + When the view shell in the center pane is replaced by another the + associated controller is replaced as well. Therefore we have to + register at the frame and on certain FrameActionEvents to stop listening + to the old controller and register as listener at the new one. +*/ +class Listener + : public ListenerInterfaceBase, + public SfxListener +{ +public: + explicit Listener (SlideSorter& rSlideSorter); + virtual ~Listener() override; + + /** Connect to the current controller of the view shell as listener. + This method is called once during initialization and every time a + FrameActionEvent signals the current controller being exchanged. + When the connection is successful then the flag + mbListeningToController is set to <TRUE/>. + */ + void ConnectToController(); + + /** Disconnect from the current controller of the view shell as + listener. This method is called once during initialization and + every time a FrameActionEvent signals the current controller being + exchanged. When this method terminates then mbListeningToController + is <FALSE/>. + */ + void DisconnectFromController(); + + virtual void Notify ( + SfxBroadcaster& rBroadcaster, + const SfxHint& rHint) override; + + //===== lang::XEventListener ============================================ + virtual void SAL_CALL + disposing (const css::lang::EventObject& rEventObject) override; + + //===== document::XEventListener ======================================== + virtual void SAL_CALL + notifyEvent ( + const css::document::EventObject& rEventObject) override; + + //===== beans::XPropertySetListener ===================================== + virtual void SAL_CALL + propertyChange ( + const css::beans::PropertyChangeEvent& rEvent) override; + + //===== accessibility::XAccessibleEventListener ========================== + virtual void SAL_CALL + notifyEvent ( + const css::accessibility::AccessibleEventObject& + rEvent) override; + + //===== frame::XFrameActionListener ====================================== + /** For certain actions the listener connects to a new controller of the + frame it is listening to. This usually happens when the view shell + in the center pane is replaced by another view shell. + */ + virtual void SAL_CALL + frameAction (const css::frame::FrameActionEvent& rEvent) override; + + virtual void disposing(std::unique_lock<std::mutex>&) override; + +private: + SlideSorter& mrSlideSorter; + SlideSorterController& mrController; + ViewShellBase* mpBase; + + /// Remember whether we are listening to the document. + bool mbListeningToDocument; + /// Remember whether we are listening to the UNO document. + bool mbListeningToUNODocument; + /// Remember whether we are listening to the UNO controller. + bool mbListeningToController; + /// Remember whether we are listening to the frame. + bool mbListeningToFrame; + bool mbIsMainViewChangePending; + + css::uno::WeakReference< css::frame::XController> mxControllerWeak; + css::uno::WeakReference< css::frame::XFrame> mxFrameWeak; + + /** This object is used to lock the model between some + events. It is references counted in order to cope with events that + are expected but never sent. + */ + std::shared_ptr<SlideSorterController::ModelChangeLock> mpModelChangeLock; + + void ReleaseListeners(); + + /** Called when the edit mode has changed. Update model accordingly. + */ + void UpdateEditMode(); + + /** Handle a change in the order of slides or when the set of slides has + changed, i.e. a slide has been created. + */ + void HandleModelChange (const SdrPage* pPage); + + /** Handle a modification to a shape on the given page. When this is a + regular page then update its preview. When it is a master page then + additionally update the previews of all pages linked to it. + */ + void HandleShapeModification (const SdrPage* pPage); + + DECL_LINK(EventMultiplexerCallback, tools::EventMultiplexerEvent&, void); +}; + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsPageSelector.cxx b/sd/source/ui/slidesorter/controller/SlsPageSelector.cxx new file mode 100644 index 000000000..21affcf2f --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsPageSelector.cxx @@ -0,0 +1,386 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsPageSelector.hxx> + +#include <SlideSorter.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsSelectionManager.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <controller/SlsVisibleAreaManager.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <model/SlsPageEnumerationProvider.hxx> +#include <model/SlideSorterModel.hxx> +#include <view/SlideSorterView.hxx> +#include <osl/diagnose.h> + +#include <sdpage.hxx> +#include <tools/debug.hxx> +#include <memory> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::sd::slidesorter::model; +using namespace ::sd::slidesorter::view; + +namespace sd::slidesorter::controller { + +PageSelector::PageSelector (SlideSorter& rSlideSorter) + : mrModel(rSlideSorter.GetModel()), + mrSlideSorter(rSlideSorter), + mrController(mrSlideSorter.GetController()), + mnSelectedPageCount(0), + mnBroadcastDisableLevel(0), + mbSelectionChangeBroadcastPending(false), + mnUpdateLockCount(0), + mbIsUpdateCurrentPagePending(true) +{ + CountSelectedPages (); +} + +void PageSelector::SelectAllPages() +{ + VisibleAreaManager::TemporaryDisabler aDisabler (mrSlideSorter); + PageSelector::UpdateLock aLock (*this); + + int nPageCount = mrModel.GetPageCount(); + for (int nPageIndex=0; nPageIndex<nPageCount; nPageIndex++) + SelectPage(nPageIndex); +} + +void PageSelector::DeselectAllPages() +{ + VisibleAreaManager::TemporaryDisabler aDisabler (mrSlideSorter); + PageSelector::UpdateLock aLock (*this); + + int nPageCount = mrModel.GetPageCount(); + for (int nPageIndex=0; nPageIndex<nPageCount; nPageIndex++) + DeselectPage(nPageIndex); + + DBG_ASSERT (mnSelectedPageCount==0, + "PageSelector::DeselectAllPages: the selected pages counter is not 0"); + mnSelectedPageCount = 0; + mpSelectionAnchor.reset(); +} + +void PageSelector::GetCoreSelection() +{ + PageSelector::UpdateLock aLock (*this); + + bool bSelectionHasChanged (true); + mnSelectedPageCount = 0; + model::PageEnumeration aAllPages ( + model::PageEnumerationProvider::CreateAllPagesEnumeration(mrModel)); + while (aAllPages.HasMoreElements()) + { + model::SharedPageDescriptor pDescriptor (aAllPages.GetNextElement()); + if (pDescriptor->GetCoreSelection()) + { + mrSlideSorter.GetController().GetVisibleAreaManager().RequestVisible(pDescriptor); + mrSlideSorter.GetView().RequestRepaint(pDescriptor); + bSelectionHasChanged = true; + } + + if (pDescriptor->HasState(PageDescriptor::ST_Selected)) + mnSelectedPageCount++; + } + + if (bSelectionHasChanged) + { + if (mnBroadcastDisableLevel > 0) + mbSelectionChangeBroadcastPending = true; + else + mrController.GetSelectionManager()->SelectionHasChanged(); + } +} + +void PageSelector::SetCoreSelection() +{ + model::PageEnumeration aAllPages ( + model::PageEnumerationProvider::CreateAllPagesEnumeration(mrModel)); + while (aAllPages.HasMoreElements()) + { + model::SharedPageDescriptor pDescriptor (aAllPages.GetNextElement()); + pDescriptor->SetCoreSelection(); + } +} + +void PageSelector::SelectPage (int nPageIndex) +{ + SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nPageIndex)); + if (pDescriptor) + SelectPage(pDescriptor); +} + +void PageSelector::SelectPage (const SdPage* pPage) +{ + const sal_Int32 nPageIndex (mrModel.GetIndex(pPage)); + SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nPageIndex)); + if (pDescriptor && pDescriptor->GetPage()==pPage) + SelectPage(pDescriptor); +} + +void PageSelector::SelectPage (const SharedPageDescriptor& rpDescriptor) +{ + if (!rpDescriptor + || !mrSlideSorter.GetView().SetState(rpDescriptor, PageDescriptor::ST_Selected, true)) + return; + + ++mnSelectedPageCount; + mrSlideSorter.GetController().GetVisibleAreaManager().RequestVisible(rpDescriptor,true); + mrSlideSorter.GetView().RequestRepaint(rpDescriptor); + + mpMostRecentlySelectedPage = rpDescriptor; + if (mpSelectionAnchor == nullptr) + mpSelectionAnchor = rpDescriptor; + + if (mnBroadcastDisableLevel > 0) + mbSelectionChangeBroadcastPending = true; + else + mrController.GetSelectionManager()->SelectionHasChanged(); + UpdateCurrentPage(); + + CheckConsistency(); +} + +void PageSelector::DeselectPage (int nPageIndex) +{ + model::SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nPageIndex)); + if (pDescriptor) + DeselectPage(pDescriptor); +} + +void PageSelector::DeselectPage ( + const SharedPageDescriptor& rpDescriptor, + const bool bUpdateCurrentPage) +{ + if (!rpDescriptor + || !mrSlideSorter.GetView().SetState(rpDescriptor, PageDescriptor::ST_Selected, false)) + return; + + --mnSelectedPageCount; + mrSlideSorter.GetController().GetVisibleAreaManager().RequestVisible(rpDescriptor); + mrSlideSorter.GetView().RequestRepaint(rpDescriptor); + if (mpMostRecentlySelectedPage == rpDescriptor) + mpMostRecentlySelectedPage.reset(); + if (mnBroadcastDisableLevel > 0) + mbSelectionChangeBroadcastPending = true; + else + mrController.GetSelectionManager()->SelectionHasChanged(); + if (bUpdateCurrentPage) + UpdateCurrentPage(); + + CheckConsistency(); +} + +void PageSelector::CheckConsistency() const +{ + int nSelectionCount (0); + for (int nPageIndex=0,nPageCount=mrModel.GetPageCount(); nPageIndex<nPageCount; nPageIndex++) + { + SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nPageIndex)); + assert(pDescriptor); + if (pDescriptor->HasState(PageDescriptor::ST_Selected)) + ++nSelectionCount; + } + if (nSelectionCount!=mnSelectedPageCount) + { + // #i120020# The former call to assert(..) internally calls + // SlideSorterModel::GetPageDescriptor which will crash in this situation + // (only in non-pro code). All what is wanted there is to assert it (the + // error is already detected), so do this directly. + OSL_ENSURE(false, "PageSelector: Consistency error (!)"); + } +} + +bool PageSelector::IsPageSelected(int nPageIndex) +{ + SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nPageIndex)); + if (pDescriptor) + return pDescriptor->HasState(PageDescriptor::ST_Selected); + else + return false; +} + +bool PageSelector::IsPageVisible(int nPageIndex) +{ + SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nPageIndex)); + if (pDescriptor) + return pDescriptor->HasState(PageDescriptor::ST_Visible); + else + return false; +} + +int PageSelector::GetPageCount() const +{ + return mrModel.GetPageCount(); +} + +void PageSelector::CountSelectedPages() +{ + mnSelectedPageCount = 0; + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration(mrModel)); + while (aSelectedPages.HasMoreElements()) + { + mnSelectedPageCount++; + aSelectedPages.GetNextElement(); + } +} + +void PageSelector::EnableBroadcasting() +{ + if (mnBroadcastDisableLevel > 0) + mnBroadcastDisableLevel --; + if (mnBroadcastDisableLevel==0 && mbSelectionChangeBroadcastPending) + { + mrController.GetSelectionManager()->SelectionHasChanged(); + mbSelectionChangeBroadcastPending = false; + } +} + +void PageSelector::DisableBroadcasting() +{ + mnBroadcastDisableLevel ++; +} + +std::shared_ptr<PageSelector::PageSelection> PageSelector::GetPageSelection() const +{ + auto pSelection = std::make_shared<PageSelection>(); + pSelection->reserve(GetSelectedPageCount()); + + int nPageCount = GetPageCount(); + for (int nIndex=0; nIndex<nPageCount; nIndex++) + { + SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nIndex)); + if (pDescriptor && pDescriptor->HasState(PageDescriptor::ST_Selected)) + pSelection->push_back(pDescriptor->GetPage()); + } + + return pSelection; +} + +void PageSelector::SetPageSelection ( + const std::shared_ptr<PageSelection>& rpSelection, + const bool bUpdateCurrentPage) +{ + for (const auto& rpPage : *rpSelection) + SelectPage(rpPage); + if (bUpdateCurrentPage) + UpdateCurrentPage(); +} + +void PageSelector::UpdateCurrentPage (const bool bUpdateOnlyWhenPending) +{ + if (mnUpdateLockCount > 0) + { + mbIsUpdateCurrentPagePending = true; + return; + } + + if ( ! mbIsUpdateCurrentPagePending && bUpdateOnlyWhenPending) + return; + + mbIsUpdateCurrentPagePending = false; + + // Make the first selected page the current page. + SharedPageDescriptor pCurrentPageDescriptor; + const sal_Int32 nPageCount (GetPageCount()); + for (sal_Int32 nIndex=0; nIndex<nPageCount; ++nIndex) + { + SharedPageDescriptor pDescriptor (mrModel.GetPageDescriptor(nIndex)); + if ( ! pDescriptor) + continue; + if (pDescriptor->HasState(PageDescriptor::ST_Selected)) + { + pCurrentPageDescriptor = pDescriptor; + break; + } + } + + if (!pCurrentPageDescriptor) + return; + + // Switching the current slide normally sets also the + // selection to just the new current slide. To prevent that, + // we store (and at the end of this scope restore) the current + // selection. + std::shared_ptr<PageSelection> pSelection (GetPageSelection()); + + mrController.GetCurrentSlideManager()->SwitchCurrentSlide(pCurrentPageDescriptor); + + // Restore the selection and prevent a recursive call to + // UpdateCurrentPage(). + SetPageSelection(pSelection, false); +} + +//===== PageSelector::UpdateLock ============================================== + +PageSelector::UpdateLock::UpdateLock (SlideSorter const & rSlideSorter) + : mpSelector(&rSlideSorter.GetController().GetPageSelector()) +{ + ++mpSelector->mnUpdateLockCount; +} + +PageSelector::UpdateLock::UpdateLock (PageSelector& rSelector) + : mpSelector(&rSelector) +{ + ++mpSelector->mnUpdateLockCount; +} + +PageSelector::UpdateLock::~UpdateLock() +{ + Release(); +} + +void PageSelector::UpdateLock::Release() +{ + if (mpSelector != nullptr) + { + --mpSelector->mnUpdateLockCount; + OSL_ASSERT(mpSelector->mnUpdateLockCount >= 0); + if (mpSelector->mnUpdateLockCount == 0) + mpSelector->UpdateCurrentPage(true); + + mpSelector = nullptr; + } +} + +//===== PageSelector::BroadcastLock ============================================== + +PageSelector::BroadcastLock::BroadcastLock (SlideSorter const & rSlideSorter) + : mrSelector(rSlideSorter.GetController().GetPageSelector()) +{ + mrSelector.DisableBroadcasting(); +} + +PageSelector::BroadcastLock::BroadcastLock (PageSelector& rSelector) + : mrSelector(rSelector) +{ + mrSelector.DisableBroadcasting(); +} + +PageSelector::BroadcastLock::~BroadcastLock() +{ + mrSelector.EnableBroadcasting(); +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsProperties.cxx b/sd/source/ui/slidesorter/controller/SlsProperties.cxx new file mode 100644 index 000000000..f1152a373 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsProperties.cxx @@ -0,0 +1,106 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsProperties.hxx> +#include <vcl/svapp.hxx> +#include <vcl/settings.hxx> + +namespace sd::slidesorter::controller { + +Properties::Properties() + : mbIsHighlightCurrentSlide(false), + mbIsShowSelection(true), + mbIsShowFocus(true), + mbIsCenterSelection(false), + mbIsSmoothSelectionScrolling(true), + mbIsSuspendPreviewUpdatesDuringFullScreenPresentation(true), + maBackgroundColor(Application::GetSettings().GetStyleSettings().GetWindowColor()), + maTextColor(Application::GetSettings().GetStyleSettings().GetActiveTextColor()), + maSelectionColor(Application::GetSettings().GetStyleSettings().GetHighlightColor()), + maHighlightColor(Application::GetSettings().GetStyleSettings().GetMenuHighlightColor()), + mbIsUIReadOnly(false) +{ +} + +void Properties::HandleDataChangeEvent() +{ + maBackgroundColor = Application::GetSettings().GetStyleSettings().GetWindowColor(); + maTextColor = Application::GetSettings().GetStyleSettings().GetActiveTextColor(); + maSelectionColor = Application::GetSettings().GetStyleSettings().GetHighlightColor(); + maHighlightColor = Application::GetSettings().GetStyleSettings().GetMenuHighlightColor(); +} + +void Properties::SetHighlightCurrentSlide (const bool bIsHighlightCurrentSlide) +{ + mbIsHighlightCurrentSlide = bIsHighlightCurrentSlide; +} + +void Properties::SetShowSelection (const bool bIsShowSelection) +{ + mbIsShowSelection = bIsShowSelection; +} + +void Properties::SetShowFocus (const bool bIsShowFocus) +{ + mbIsShowFocus = bIsShowFocus; +} + +void Properties::SetCenterSelection (const bool bIsCenterSelection) +{ + mbIsCenterSelection = bIsCenterSelection; +} + +void Properties::SetSmoothSelectionScrolling (const bool bIsSmoothSelectionScrolling) +{ + mbIsSmoothSelectionScrolling = bIsSmoothSelectionScrolling; +} + +void Properties::SetSuspendPreviewUpdatesDuringFullScreenPresentation (const bool bFlag) +{ + mbIsSuspendPreviewUpdatesDuringFullScreenPresentation = bFlag; +} + +void Properties::SetBackgroundColor (const Color& rColor) +{ + maBackgroundColor = rColor; +} + +void Properties::SetTextColor (const Color& rColor) +{ + maTextColor = rColor; +} + +void Properties::SetSelectionColor (const Color& rColor) +{ + maSelectionColor = rColor; +} + +void Properties::SetHighlightColor (const Color& rColor) +{ + maHighlightColor = rColor; +} + +void Properties::SetUIReadOnly (const bool bIsUIReadOnly) +{ + mbIsUIReadOnly = bIsUIReadOnly; +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsScrollBarManager.cxx b/sd/source/ui/slidesorter/controller/SlsScrollBarManager.cxx new file mode 100644 index 000000000..83192414f --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsScrollBarManager.cxx @@ -0,0 +1,608 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsScrollBarManager.hxx> + +#include <SlideSorter.hxx> +#include <ViewShell.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsVisibleAreaManager.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <view/SlideSorterView.hxx> +#include <view/SlsLayouter.hxx> +#include <Window.hxx> +#include <sdpage.hxx> +#include <osl/diagnose.h> + +#include <vcl/scrbar.hxx> + +namespace sd::slidesorter::controller { + +constexpr double gnHorizontalScrollFactor(0.15); +constexpr double gnVerticalScrollFactor(0.25); + +ScrollBarManager::ScrollBarManager (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + mpHorizontalScrollBar(mrSlideSorter.GetHorizontalScrollBar()), + mpVerticalScrollBar(mrSlideSorter.GetVerticalScrollBar()), + mnHorizontalPosition (0), + mnVerticalPosition (0), + maScrollBorder (20,20), + mpScrollBarFiller(mrSlideSorter.GetScrollBarFiller()), + maAutoScrollTimer("sd ScrollBarManager maAutoScrollTimer"), + maAutoScrollOffset(0,0), + mbIsAutoScrollActive(false), + mpContentWindow(mrSlideSorter.GetContentWindow()) +{ + // Hide the scroll bars by default to prevent display errors while + // switching between view shells: In the short time between initiating + // such a switch and the final rearrangement of UI controls the scroll + // bars and the filler where displayed in the upper left corner of the + // ViewTabBar. + mpHorizontalScrollBar->Hide(); + mpVerticalScrollBar->Hide(); + mpScrollBarFiller->Hide(); + + maAutoScrollTimer.SetTimeout(25); + maAutoScrollTimer.SetInvokeHandler ( + LINK(this, ScrollBarManager, AutoScrollTimeoutHandler)); +} + +ScrollBarManager::~ScrollBarManager() +{ +} + +void ScrollBarManager::Connect() +{ + if (mpVerticalScrollBar != nullptr) + { + mpVerticalScrollBar->SetScrollHdl ( + LINK(this, ScrollBarManager, VerticalScrollBarHandler)); + } + if (mpHorizontalScrollBar != nullptr) + { + mpHorizontalScrollBar->SetScrollHdl( + LINK(this, ScrollBarManager, HorizontalScrollBarHandler)); + } +} + +void ScrollBarManager::Disconnect() +{ + if (mpVerticalScrollBar != nullptr) + { + mpVerticalScrollBar->SetScrollHdl( Link<ScrollBar*,void>() ); + } + if (mpHorizontalScrollBar != nullptr) + { + mpHorizontalScrollBar->SetScrollHdl( Link<ScrollBar*,void>() ); + } +} + +/** Placing the scroll bars is an iterative process. The visibility of one + scroll bar affects the remaining size and thus may lead to the other + scroll bar becoming visible. + + First we determine the visibility of the horizontal scroll bar. After + that we do the same for the vertical scroll bar. To have an initial + value for the required size we call the layouter before that. When one + of the two scroll bars is made visible then the size of the browser + window changes and a second call to the layouter becomes necessary. + That call is made anyway after this method returns. +*/ +::tools::Rectangle ScrollBarManager::PlaceScrollBars ( + const ::tools::Rectangle& rAvailableArea, + const bool bIsHorizontalScrollBarAllowed, + const bool bIsVerticalScrollBarAllowed) +{ + ::tools::Rectangle aRemainingSpace (DetermineScrollBarVisibilities( + rAvailableArea, + bIsHorizontalScrollBarAllowed, + bIsVerticalScrollBarAllowed)); + + if (mpHorizontalScrollBar!=nullptr && mpHorizontalScrollBar->IsVisible()) + PlaceHorizontalScrollBar (rAvailableArea); + + if (mpVerticalScrollBar!=nullptr && mpVerticalScrollBar->IsVisible()) + PlaceVerticalScrollBar (rAvailableArea); + + if (mpScrollBarFiller!=nullptr && mpScrollBarFiller->IsVisible()) + PlaceFiller (rAvailableArea); + + return aRemainingSpace; +} + +void ScrollBarManager::PlaceHorizontalScrollBar (const ::tools::Rectangle& aAvailableArea) +{ + // Save the current relative position. + mnHorizontalPosition = double(mpHorizontalScrollBar->GetThumbPos()) + / double(mpHorizontalScrollBar->GetRange().Len()); + + // Place the scroll bar. + Size aScrollBarSize (mpHorizontalScrollBar->GetSizePixel()); + mpHorizontalScrollBar->SetPosSizePixel ( + Point(aAvailableArea.Left(), + aAvailableArea.Bottom()-aScrollBarSize.Height()+1), + Size (aAvailableArea.GetWidth() - GetVerticalScrollBarWidth(), + aScrollBarSize.Height())); + + // Restore the relative position. + mpHorizontalScrollBar->SetThumbPos( + static_cast<::tools::Long>(0.5 + mnHorizontalPosition * mpHorizontalScrollBar->GetRange().Len())); +} + +void ScrollBarManager::PlaceVerticalScrollBar (const ::tools::Rectangle& aArea) +{ + const sal_Int32 nThumbPosition (mpVerticalScrollBar->GetThumbPos()); + + // Place the scroll bar. + Size aScrollBarSize (mpVerticalScrollBar->GetSizePixel()); + Point aPosition (aArea.Right()-aScrollBarSize.Width()+1, aArea.Top()); + Size aSize (aScrollBarSize.Width(), aArea.GetHeight() - GetHorizontalScrollBarHeight()); + mpVerticalScrollBar->SetPosSizePixel(aPosition, aSize); + + // Restore the position. + mpVerticalScrollBar->SetThumbPos(static_cast<::tools::Long>(nThumbPosition)); + mnVerticalPosition = nThumbPosition / double(mpVerticalScrollBar->GetRange().Len()); +} + +void ScrollBarManager::PlaceFiller (const ::tools::Rectangle& aArea) +{ + mpScrollBarFiller->SetPosSizePixel( + Point( + aArea.Right()-mpVerticalScrollBar->GetSizePixel().Width()+1, + aArea.Bottom()-mpHorizontalScrollBar->GetSizePixel().Height()+1), + Size ( + mpVerticalScrollBar->GetSizePixel().Width(), + mpHorizontalScrollBar->GetSizePixel().Height())); +} + +void ScrollBarManager::UpdateScrollBars(bool bUseScrolling) +{ + ::tools::Rectangle aModelArea (mrSlideSorter.GetView().GetModelArea()); + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + Size aWindowModelSize (pWindow->PixelToLogic(pWindow->GetSizePixel())); + + // The horizontal scroll bar is only shown when the window is + // horizontally smaller than the view. + if (mpHorizontalScrollBar != nullptr && mpHorizontalScrollBar->IsVisible()) + { + mpHorizontalScrollBar->Show(); + mpHorizontalScrollBar->SetRange ( + Range(aModelArea.Left(), aModelArea.Right())); + mnHorizontalPosition = + double(mpHorizontalScrollBar->GetThumbPos()) + / double(mpHorizontalScrollBar->GetRange().Len()); + + mpHorizontalScrollBar->SetVisibleSize (aWindowModelSize.Width()); + + const ::tools::Long nWidth (mpContentWindow->PixelToLogic( + mpContentWindow->GetSizePixel()).Width()); + // Make the line size about 10% of the visible width. + mpHorizontalScrollBar->SetLineSize (nWidth / 10); + // Make the page size about 90% of the visible width. + mpHorizontalScrollBar->SetPageSize ((nWidth * 9) / 10); + } + else + { + mnHorizontalPosition = 0; + } + + // The vertical scroll bar is always shown. + if (mpVerticalScrollBar != nullptr && mpVerticalScrollBar->IsVisible()) + { + mpVerticalScrollBar->SetRange ( + Range(aModelArea.Top(), aModelArea.Bottom())); + mnVerticalPosition = + double(mpVerticalScrollBar->GetThumbPos()) + / double(mpVerticalScrollBar->GetRange().Len()); + + mpVerticalScrollBar->SetVisibleSize (aWindowModelSize.Height()); + + const ::tools::Long nHeight (mpContentWindow->PixelToLogic( + mpContentWindow->GetSizePixel()).Height()); + // Make the line size about 10% of the visible height. + mpVerticalScrollBar->SetLineSize (nHeight / 10); + // Make the page size about 90% of the visible height. + mpVerticalScrollBar->SetPageSize ((nHeight * 9) / 10); + } + else + { + mnVerticalPosition = 0; + } + + double nEps (::std::numeric_limits<double>::epsilon()); + if (fabs(mnHorizontalPosition-pWindow->GetVisibleX()) > nEps + || fabs(mnVerticalPosition-pWindow->GetVisibleY()) > nEps) + { + mrSlideSorter.GetView().InvalidatePageObjectVisibilities(); + if (bUseScrolling) + pWindow->SetVisibleXY(mnHorizontalPosition, mnVerticalPosition); + else + SetWindowOrigin(mnHorizontalPosition, mnVerticalPosition); + } +} + +IMPL_LINK(ScrollBarManager, VerticalScrollBarHandler, ScrollBar*, pScrollBar, void) +{ + if (pScrollBar!=nullptr + && pScrollBar==mpVerticalScrollBar.get() + && pScrollBar->IsVisible() + && mrSlideSorter.GetContentWindow()) + { + double nRelativePosition = double(pScrollBar->GetThumbPos()) + / double(pScrollBar->GetRange().Len()); + mrSlideSorter.GetView().InvalidatePageObjectVisibilities(); + mrSlideSorter.GetContentWindow()->SetVisibleXY(-1, nRelativePosition); + mrSlideSorter.GetController().GetVisibleAreaManager().DeactivateCurrentSlideTracking(); + } +} + +IMPL_LINK(ScrollBarManager, HorizontalScrollBarHandler, ScrollBar*, pScrollBar, void) +{ + if (pScrollBar!=nullptr + && pScrollBar==mpHorizontalScrollBar.get() + && pScrollBar->IsVisible() + && mrSlideSorter.GetContentWindow()) + { + double nRelativePosition = double(pScrollBar->GetThumbPos()) + / double(pScrollBar->GetRange().Len()); + mrSlideSorter.GetView().InvalidatePageObjectVisibilities(); + mrSlideSorter.GetContentWindow()->SetVisibleXY(nRelativePosition, -1); + mrSlideSorter.GetController().GetVisibleAreaManager().DeactivateCurrentSlideTracking(); + } +} + +void ScrollBarManager::SetWindowOrigin ( + double nHorizontalPosition, + double nVerticalPosition) +{ + mnHorizontalPosition = nHorizontalPosition; + mnVerticalPosition = nVerticalPosition; + + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + Size aViewSize (pWindow->GetViewSize()); + Point aOrigin ( + static_cast<::tools::Long>(mnHorizontalPosition * aViewSize.Width()), + static_cast<::tools::Long>(mnVerticalPosition * aViewSize.Height())); + + pWindow->SetWinViewPos (aOrigin); + pWindow->UpdateMapMode (); + pWindow->Invalidate (); +} + +/** Determining the visibility of the scroll bars is quite complicated. The + visibility of one influences that of the other because showing a scroll + bar makes the available space smaller and may lead to the need of + displaying the other. + To solve this we test all four combinations of showing or hiding each + scroll bar and use the best one. The best one is that combination that + a) shows the least number of scroll bars with preference of showing the + vertical over showing the horizontal and + b) when not showing a scroll bar the area used by the page objects fits + into the available area in the scroll bars orientation. +*/ +::tools::Rectangle ScrollBarManager::DetermineScrollBarVisibilities ( + const ::tools::Rectangle& rAvailableArea, + const bool bIsHorizontalScrollBarAllowed, + const bool bIsVerticalScrollBarAllowed) +{ + // Test which combination of scroll bars is the best. + bool bShowHorizontal = false; + bool bShowVertical = false; + if (mrSlideSorter.GetModel().GetPageCount() == 0) + { + // No pages => no scroll bars. + } + else if (TestScrollBarVisibilities(false, false, rAvailableArea)) + { + // Nothing to be done. + } + else if (bIsHorizontalScrollBarAllowed + && TestScrollBarVisibilities(true, false, rAvailableArea)) + { + bShowHorizontal = true; + } + else if (bIsVerticalScrollBarAllowed + && TestScrollBarVisibilities(false, true, rAvailableArea)) + { + bShowVertical = true; + } + else + { + bShowHorizontal = true; + bShowVertical = true; + } + + // Make the visibility of the scroll bars permanent. + mpVerticalScrollBar->Show(bShowVertical); + mpHorizontalScrollBar->Show(bShowHorizontal); + mpScrollBarFiller->Show(bShowVertical && bShowHorizontal); + + // Adapt the remaining space accordingly. + ::tools::Rectangle aRemainingSpace (rAvailableArea); + if (bShowVertical) + aRemainingSpace.AdjustRight( -(mpVerticalScrollBar->GetSizePixel().Width()) ); + if (bShowHorizontal) + aRemainingSpace.AdjustBottom( -(mpHorizontalScrollBar->GetSizePixel().Height()) ); + + return aRemainingSpace; +} + +bool ScrollBarManager::TestScrollBarVisibilities ( + bool bHorizontalScrollBarVisible, + bool bVerticalScrollBarVisible, + const ::tools::Rectangle& rAvailableArea) +{ + model::SlideSorterModel& rModel (mrSlideSorter.GetModel()); + + // Adapt the available size by subtracting the sizes of the scroll bars + // visible in this combination. + Size aBrowserSize (rAvailableArea.GetSize()); + if (bHorizontalScrollBarVisible) + aBrowserSize.AdjustHeight( -(mpHorizontalScrollBar->GetSizePixel().Height()) ); + if (bVerticalScrollBarVisible) + aBrowserSize.AdjustWidth( -(mpVerticalScrollBar->GetSizePixel().Width()) ); + + // Tell the view to rearrange its page objects and check whether the + // page objects can be shown without clipping. + bool bRearrangeSuccess (mrSlideSorter.GetView().GetLayouter().Rearrange ( + mrSlideSorter.GetView().GetOrientation(), + aBrowserSize, + rModel.GetPageDescriptor(0)->GetPage()->GetSize(), + rModel.GetPageCount())); + + if (bRearrangeSuccess) + { + Size aPageSize = mrSlideSorter.GetView().GetLayouter().GetTotalBoundingBox().GetSize(); + Size aWindowModelSize = mpContentWindow->PixelToLogic(aBrowserSize); + + // The content may be clipped, i.e. not fully visible, in one + // direction only when the scroll bar is visible in that direction. + if (aPageSize.Width() > aWindowModelSize.Width()) + if ( ! bHorizontalScrollBarVisible) + return false; + if (aPageSize.Height() > aWindowModelSize.Height()) + if ( ! bVerticalScrollBarVisible) + return false; + + return true; + } + else + return false; +} + +void ScrollBarManager::SetTopLeft(const Point& rNewTopLeft) +{ + if (( ! mpVerticalScrollBar + || mpVerticalScrollBar->GetThumbPos() == rNewTopLeft.Y()) + && ( ! mpHorizontalScrollBar + || mpHorizontalScrollBar->GetThumbPos() == rNewTopLeft.X())) + return; + + // Flush pending repaints before scrolling to avoid temporary artifacts. + mrSlideSorter.GetContentWindow()->PaintImmediately(); + + if (mpVerticalScrollBar) + { + mpVerticalScrollBar->SetThumbPos(rNewTopLeft.Y()); + mnVerticalPosition = rNewTopLeft.Y() / double(mpVerticalScrollBar->GetRange().Len()); + } + if (mpHorizontalScrollBar) + { + mpHorizontalScrollBar->SetThumbPos(rNewTopLeft.X()); + mnHorizontalPosition = rNewTopLeft.X() / double(mpHorizontalScrollBar->GetRange().Len()); + } + + mrSlideSorter.GetContentWindow()->SetVisibleXY(mnHorizontalPosition, mnVerticalPosition); + mrSlideSorter.GetView().InvalidatePageObjectVisibilities(); +} + +int ScrollBarManager::GetVerticalScrollBarWidth() const +{ + if (mpVerticalScrollBar != nullptr && mpVerticalScrollBar->IsVisible()) + return mpVerticalScrollBar->GetSizePixel().Width(); + else + return 0; +} + +int ScrollBarManager::GetHorizontalScrollBarHeight() const +{ + if (mpHorizontalScrollBar != nullptr && mpHorizontalScrollBar->IsVisible()) + return mpHorizontalScrollBar->GetSizePixel().Height(); + else + return 0; +} + +void ScrollBarManager::CalcAutoScrollOffset (const Point& rMouseWindowPosition) +{ + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + + int nDx = 0; + int nDy = 0; + + Size aWindowSize = pWindow->GetOutputSizePixel(); + ::tools::Rectangle aWindowArea (pWindow->GetPosPixel(), aWindowSize); + ::tools::Rectangle aViewPixelArea ( + pWindow->LogicToPixel(mrSlideSorter.GetView().GetModelArea())); + + if (aWindowSize.Width() > maScrollBorder.Width() * 3 + && mpHorizontalScrollBar != nullptr + && mpHorizontalScrollBar->IsVisible()) + { + if (rMouseWindowPosition.X() < maScrollBorder.Width() + && aWindowArea.Left() > aViewPixelArea.Left()) + { + nDx = -1 + static_cast<int>(gnHorizontalScrollFactor + * (rMouseWindowPosition.X() - maScrollBorder.Width())); + } + + if (rMouseWindowPosition.X() >= (aWindowSize.Width() - maScrollBorder.Width()) + && aWindowArea.Right() < aViewPixelArea.Right()) + { + nDx = 1 + static_cast<int>(gnHorizontalScrollFactor + * (rMouseWindowPosition.X() - aWindowSize.Width() + + maScrollBorder.Width())); + } + } + + if (aWindowSize.Height() > maScrollBorder.Height() * 3 + && aWindowSize.Height() < aViewPixelArea.GetHeight()) + { + if (rMouseWindowPosition.Y() < maScrollBorder.Height() + && aWindowArea.Top() > aViewPixelArea.Top()) + { + nDy = -1 + static_cast<int>(gnVerticalScrollFactor + * (rMouseWindowPosition.Y() - maScrollBorder.Height())); + } + + if (rMouseWindowPosition.Y() >= (aWindowSize.Height() - maScrollBorder.Height()) + && aWindowArea.Bottom() < aViewPixelArea.Bottom()) + { + nDy = 1 + static_cast<int>(gnVerticalScrollFactor + * (rMouseWindowPosition.Y() - aWindowSize.Height() + + maScrollBorder.Height())); + } + } + + maAutoScrollOffset = Size(nDx,nDy); +} + +bool ScrollBarManager::AutoScroll ( + const Point& rMouseWindowPosition, + const ::std::function<void ()>& rAutoScrollFunctor) +{ + maAutoScrollFunctor = rAutoScrollFunctor; + CalcAutoScrollOffset(rMouseWindowPosition); + bool bResult (true); + if ( ! mbIsAutoScrollActive) + bResult = RepeatAutoScroll(); + + return bResult; +} + +void ScrollBarManager::StopAutoScroll() +{ + maAutoScrollTimer.Stop(); + mbIsAutoScrollActive = false; +} + +bool ScrollBarManager::RepeatAutoScroll() +{ + if (maAutoScrollOffset != Size(0,0)) + { + if (mrSlideSorter.GetViewShell() != nullptr) + { + mrSlideSorter.GetViewShell()->Scroll( + maAutoScrollOffset.Width(), + maAutoScrollOffset.Height()); + mrSlideSorter.GetView().InvalidatePageObjectVisibilities(); + + if (maAutoScrollFunctor) + maAutoScrollFunctor(); + + mbIsAutoScrollActive = true; + maAutoScrollTimer.Start(); + + return true; + } + } + + clearAutoScrollFunctor(); + mbIsAutoScrollActive = false; + return false; +} + +void ScrollBarManager::clearAutoScrollFunctor() +{ + maAutoScrollFunctor = ::std::function<void ()>(); +} + +IMPL_LINK_NOARG(ScrollBarManager, AutoScrollTimeoutHandler, Timer *, void) +{ + RepeatAutoScroll(); +} + +void ScrollBarManager::Scroll( + const Orientation eOrientation, + const sal_Int32 nDistance) +{ + bool bIsVertical (false); + switch (eOrientation) + { + case Orientation_Horizontal: bIsVertical = false; break; + case Orientation_Vertical: bIsVertical = true; break; + default: + OSL_ASSERT(eOrientation==Orientation_Horizontal || eOrientation==Orientation_Vertical); + return; + } + + Point aNewTopLeft ( + mpHorizontalScrollBar ? mpHorizontalScrollBar->GetThumbPos() : 0, + mpVerticalScrollBar ? mpVerticalScrollBar->GetThumbPos() : 0); + + view::Layouter& rLayouter (mrSlideSorter.GetView().GetLayouter()); + + // Calculate estimate of new location. + if (bIsVertical) + aNewTopLeft.AdjustY(nDistance * rLayouter.GetPageObjectSize().Height() ); + else + aNewTopLeft.AdjustX(nDistance * rLayouter.GetPageObjectSize().Width() ); + + // Adapt location to show whole slides. + if (bIsVertical) + if (nDistance > 0) + { + const sal_Int32 nIndex (rLayouter.GetIndexAtPoint( + Point(aNewTopLeft.X(), aNewTopLeft.Y()+mpVerticalScrollBar->GetVisibleSize()), + true)); + aNewTopLeft.setY( rLayouter.GetPageObjectBox(nIndex,true).Bottom() + - mpVerticalScrollBar->GetVisibleSize() ); + } + else + { + const sal_Int32 nIndex (rLayouter.GetIndexAtPoint( + Point(aNewTopLeft.X(), aNewTopLeft.Y()), + true)); + aNewTopLeft.setY( rLayouter.GetPageObjectBox(nIndex,true).Top() ); + } + else + if (nDistance > 0) + { + const sal_Int32 nIndex (rLayouter.GetIndexAtPoint( + Point(aNewTopLeft.X()+mpVerticalScrollBar->GetVisibleSize(), aNewTopLeft.Y()), + true)); + aNewTopLeft.setX( rLayouter.GetPageObjectBox(nIndex,true).Right() + - mpVerticalScrollBar->GetVisibleSize() ); + } + else + { + const sal_Int32 nIndex (rLayouter.GetIndexAtPoint( + Point(aNewTopLeft.X(), aNewTopLeft.Y()), + true)); + aNewTopLeft.setX( rLayouter.GetPageObjectBox(nIndex,true).Left() ); + } + + mrSlideSorter.GetController().GetVisibleAreaManager().DeactivateCurrentSlideTracking(); + SetTopLeft(aNewTopLeft); +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsSelectionFunction.cxx b/sd/source/ui/slidesorter/controller/SlsSelectionFunction.cxx new file mode 100644 index 000000000..c710a4c1b --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsSelectionFunction.cxx @@ -0,0 +1,1485 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <memory> +#include <sal/config.h> + +#include <controller/SlsSelectionFunction.hxx> + +#include <SlideSorter.hxx> +#include <SlideSorterViewShell.hxx> +#include "SlsDragAndDropContext.hxx" +#include <controller/SlideSorterController.hxx> +#include <controller/SlsPageSelector.hxx> +#include <controller/SlsFocusManager.hxx> +#include <controller/SlsScrollBarManager.hxx> +#include <controller/SlsClipboard.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <controller/SlsInsertionIndicatorHandler.hxx> +#include <controller/SlsSelectionManager.hxx> +#include <controller/SlsProperties.hxx> +#include <controller/SlsVisibleAreaManager.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <model/SlsPageEnumerationProvider.hxx> +#include <view/SlideSorterView.hxx> +#include <view/SlsLayouter.hxx> +#include <framework/FrameworkHelper.hxx> +#include <osl/diagnose.h> +#include <Window.hxx> +#include <sdpage.hxx> +#include <drawdoc.hxx> +#include <sdxfer.hxx> +#include <ViewShell.hxx> +#include <FrameView.hxx> +#include <app.hrc> +#include <o3tl/deleter.hxx> +#include <sfx2/dispatch.hxx> +#include <vcl/ptrstyle.hxx> +#include <optional> +#include <sdmod.hxx> + +namespace { +const sal_uInt32 SINGLE_CLICK (0x00000001); +const sal_uInt32 DOUBLE_CLICK (0x00000002); +const sal_uInt32 LEFT_BUTTON (0x00000010); +const sal_uInt32 RIGHT_BUTTON (0x00000020); +const sal_uInt32 MIDDLE_BUTTON (0x00000040); +const sal_uInt32 BUTTON_DOWN (0x00000100); +const sal_uInt32 BUTTON_UP (0x00000200); +const sal_uInt32 MOUSE_MOTION (0x00000400); +const sal_uInt32 MOUSE_DRAG (0x00000800); +// The rest leaves the lower 16 bit untouched so that it can be used with +// key codes. +const sal_uInt32 OVER_SELECTED_PAGE (0x00010000); +const sal_uInt32 OVER_UNSELECTED_PAGE (0x00020000); +const sal_uInt32 SHIFT_MODIFIER (0x00200000); +const sal_uInt32 CONTROL_MODIFIER (0x00400000); + +// Some absent events are defined so they can be expressed explicitly. +const sal_uInt32 NO_MODIFIER (0x00000000); +const sal_uInt32 NOT_OVER_PAGE (0x00000000); + +// Masks +const sal_uInt32 MODIFIER_MASK (SHIFT_MODIFIER | CONTROL_MODIFIER); + +} // end of anonymous namespace + +// Define some macros to make the following switch statement more readable. +#define ANY_MODIFIER(code) \ + code|NO_MODIFIER: \ + case code|SHIFT_MODIFIER: \ + case code|CONTROL_MODIFIER + +namespace sd::slidesorter::controller { + +//===== SelectionFunction::EventDescriptor ==================================== + +class SelectionFunction::EventDescriptor +{ +public: + Point maMousePosition; + Point maMouseModelPosition; + model::SharedPageDescriptor mpHitDescriptor; + SdrPage* mpHitPage; + sal_uInt32 mnEventCode; + InsertionIndicatorHandler::Mode meDragMode; + bool mbIsLeaving; + + EventDescriptor ( + sal_uInt32 nEventType, + const MouseEvent& rEvent, + SlideSorter const & rSlideSorter); + EventDescriptor ( + sal_uInt32 nEventType, + const AcceptDropEvent& rEvent, + const sal_Int8 nDragAction, + SlideSorter const & rSlideSorter); + +private: + /** Compute a numerical code that describes a mouse event and that can + be used for fast look up of the appropriate reaction. + */ + sal_uInt32 EncodeMouseEvent (const MouseEvent& rEvent) const; + + /** Compute a numerical code that describes the current state like + whether the selection rectangle is visible or whether the page under + the mouse or the one that has the focus is selected. + */ + sal_uInt32 EncodeState() const; +}; + +//===== SelectionFunction::ModeHandler ======================================== + +class SelectionFunction::ModeHandler +{ +public: + ModeHandler ( + SlideSorter& rSlideSorter, + SelectionFunction& rSelectionFunction, + const bool bIsMouseOverIndicatorAllowed); + virtual ~ModeHandler() COVERITY_NOEXCEPT_FALSE; + + virtual Mode GetMode() const = 0; + virtual void Abort() = 0; + virtual void ProcessEvent (EventDescriptor& rDescriptor); + + /** Set the selection to exactly the specified page and also set it as + the current page. + */ + void SetCurrentPage (const model::SharedPageDescriptor& rpDescriptor); + + /// Deselect all pages. + void DeselectAllPages(); + void SelectOnePage (const model::SharedPageDescriptor& rpDescriptor); + + /** When the view on which this selection function is working is the + main view then the view is switched to the regular editing view. + */ + void SwitchView (const model::SharedPageDescriptor& rpDescriptor); + + void StartDrag ( + const Point& rMousePosition); + + bool IsMouseOverIndicatorAllowed() const { return mbIsMouseOverIndicatorAllowed;} + +protected: + SlideSorter& mrSlideSorter; + SelectionFunction& mrSelectionFunction; + + virtual bool ProcessButtonDownEvent (EventDescriptor& rDescriptor); + virtual bool ProcessButtonUpEvent (EventDescriptor& rDescriptor); + virtual bool ProcessMotionEvent (EventDescriptor& rDescriptor); + virtual bool ProcessDragEvent (EventDescriptor& rDescriptor); + virtual bool HandleUnprocessedEvent (EventDescriptor& rDescriptor); + + void ReprocessEvent (EventDescriptor& rDescriptor); + +private: + const bool mbIsMouseOverIndicatorAllowed; +}; + +namespace { + +/** This is the default handler for processing events. It activates the + multi selection or drag-and-drop when the right conditions are met. +*/ +class NormalModeHandler : public SelectionFunction::ModeHandler +{ +public: + NormalModeHandler ( + SlideSorter& rSlideSorter, + SelectionFunction& rSelectionFunction); + + virtual SelectionFunction::Mode GetMode() const override; + virtual void Abort() override; + + void ResetButtonDownLocation(); + +protected: + virtual bool ProcessButtonDownEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + virtual bool ProcessButtonUpEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + virtual bool ProcessMotionEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + virtual bool ProcessDragEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + +private: + ::std::optional<Point> maButtonDownLocation; + + /** Select all pages between and including the selection anchor and the + specified page. + */ + void RangeSelect (const model::SharedPageDescriptor& rpDescriptor); +}; + +/** Handle events during a multi selection, which typically is started by + pressing the left mouse button when not over a page. +*/ +class MultiSelectionModeHandler : public SelectionFunction::ModeHandler +{ +public: + /** Start a rectangle selection at the given position. + */ + MultiSelectionModeHandler ( + SlideSorter& rSlideSorter, + SelectionFunction& rSelectionFunction, + const Point& rMouseModelPosition, + const sal_uInt32 nEventCode); + + virtual ~MultiSelectionModeHandler() override; + + virtual SelectionFunction::Mode GetMode() const override; + virtual void Abort() override; + virtual void ProcessEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + + enum SelectionMode { SM_Normal, SM_Add, SM_Toggle }; + + void SetSelectionMode (const SelectionMode eSelectionMode); + void SetSelectionModeFromModifier (const sal_uInt32 nEventCode); + +protected: + virtual bool ProcessButtonUpEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + virtual bool ProcessMotionEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + virtual bool HandleUnprocessedEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + +private: + SelectionMode meSelectionMode; + Point maSecondCorner; + PointerStyle maSavedPointer; + bool mbAutoScrollInstalled; + sal_Int32 mnAnchorIndex; + sal_Int32 mnSecondIndex; + + void UpdateModelPosition (const Point& rMouseModelPosition); + void UpdateSelection(); + + /** Update the rectangle selection so that the given position becomes + the new second point of the selection rectangle. + */ + void UpdatePosition ( + const Point& rMousePosition, + const bool bAllowAutoScroll); + + void UpdateSelectionState ( + const model::SharedPageDescriptor& rpDescriptor, + const bool bIsInSelection) const; +}; + +/** Handle events during drag-and-drop. +*/ +class DragAndDropModeHandler : public SelectionFunction::ModeHandler +{ +public: + DragAndDropModeHandler ( + SlideSorter& rSlideSorter, + SelectionFunction& rSelectionFunction, + const Point& rMousePosition, + vcl::Window* pWindow); + virtual ~DragAndDropModeHandler() override; + + virtual SelectionFunction::Mode GetMode() const override; + virtual void Abort() override; + +protected: + virtual bool ProcessButtonUpEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + virtual bool ProcessDragEvent (SelectionFunction::EventDescriptor& rDescriptor) override; + +private: + std::unique_ptr<DragAndDropContext, o3tl::default_delete<DragAndDropContext>> mpDragAndDropContext; +}; + +} + +//===== SelectionFunction ===================================================== + + +SelectionFunction::SelectionFunction ( + SlideSorter& rSlideSorter, + SfxRequest& rRequest) + : FuPoor ( + rSlideSorter.GetViewShell(), + rSlideSorter.GetContentWindow(), + &rSlideSorter.GetView(), + rSlideSorter.GetModel().GetDocument(), + rRequest), + mrSlideSorter(rSlideSorter), + mrController(mrSlideSorter.GetController()), + mnShiftKeySelectionAnchor(-1), + mpModeHandler(std::make_shared<NormalModeHandler>(rSlideSorter, *this)) +{ +} + +SelectionFunction::~SelectionFunction() +{ + mpModeHandler.reset(); +} + +rtl::Reference<FuPoor> SelectionFunction::Create( + SlideSorter& rSlideSorter, + SfxRequest& rRequest) +{ + rtl::Reference<FuPoor> xFunc( new SelectionFunction( rSlideSorter, rRequest ) ); + return xFunc; +} + +bool SelectionFunction::MouseButtonDown (const MouseEvent& rEvent) +{ + // remember button state for creation of own MouseEvents + SetMouseButtonCode (rEvent.GetButtons()); + aMDPos = rEvent.GetPosPixel(); + + // mpWindow->CaptureMouse(); + + ProcessMouseEvent(BUTTON_DOWN, rEvent); + + return true; +} + +bool SelectionFunction::MouseMove (const MouseEvent& rEvent) +{ + ProcessMouseEvent(MOUSE_MOTION, rEvent); + return true; +} + +bool SelectionFunction::MouseButtonUp (const MouseEvent& rEvent) +{ + mrController.GetScrollBarManager().StopAutoScroll (); + + ProcessMouseEvent(BUTTON_UP, rEvent); + + return true; +} + +void SelectionFunction::NotifyDragFinished() +{ + SwitchToNormalMode(); +} + +bool SelectionFunction::KeyInput (const KeyEvent& rEvent) +{ + view::SlideSorterView::DrawLock aDrawLock (mrSlideSorter); + PageSelector::BroadcastLock aBroadcastLock (mrSlideSorter); + PageSelector::UpdateLock aLock (mrSlideSorter); + FocusManager& rFocusManager (mrController.GetFocusManager()); + bool bResult = false; + + const vcl::KeyCode& rCode (rEvent.GetKeyCode()); + switch (rCode.GetCode()) + { + case KEY_RETURN: + { + model::SharedPageDescriptor pDescriptor (rFocusManager.GetFocusedPageDescriptor()); + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + if (rFocusManager.HasFocus() && pDescriptor && pViewShell!=nullptr) + { + // The Return key triggers different functions depending on + // whether the slide sorter is the main view or displayed in + // the right pane. + if (pViewShell->IsMainViewShell()) + { + mpModeHandler->SetCurrentPage(pDescriptor); + mpModeHandler->SwitchView(pDescriptor); + } + else if (pViewShell->GetDispatcher() != nullptr) + { + pViewShell->GetDispatcher()->Execute( + SID_INSERTPAGE, + SfxCallMode::ASYNCHRON | SfxCallMode::RECORD); + } + bResult = true; + } + break; + } + + case KEY_TAB: + if ( ! rFocusManager.IsFocusShowing()) + { + rFocusManager.ShowFocus(); + bResult = true; + } + break; + + case KEY_ESCAPE: + // When there is an active multiselection or drag-and-drop + // operation then stop that. + mpModeHandler->Abort(); + SwitchToNormalMode(); + bResult = true; + break; + + case KEY_SPACE: + { + // Toggle the selection state. + model::SharedPageDescriptor pDescriptor (rFocusManager.GetFocusedPageDescriptor()); + if (pDescriptor && rCode.IsMod1()) + { + if (pDescriptor->HasState(model::PageDescriptor::ST_Selected)) + mrController.GetPageSelector().DeselectPage(pDescriptor, false); + else + mrController.GetPageSelector().SelectPage(pDescriptor); + } + bResult = true; + } + break; + + // Move the focus indicator left. + case KEY_LEFT: + MoveFocus(FocusManager::FocusMoveDirection::Left, rCode.IsShift(), rCode.IsMod1()); + bResult = true; + break; + + // Move the focus indicator right. + case KEY_RIGHT: + MoveFocus(FocusManager::FocusMoveDirection::Right, rCode.IsShift(), rCode.IsMod1()); + bResult = true; + break; + + // Move the focus indicator up. + case KEY_UP: + MoveFocus(FocusManager::FocusMoveDirection::Up, rCode.IsShift(), rCode.IsMod1()); + bResult = true; + break; + + // Move the focus indicator down. + case KEY_DOWN: + MoveFocus(FocusManager::FocusMoveDirection::Down, rCode.IsShift(), rCode.IsMod1()); + bResult = true; + break; + + // Go to previous page. No wrap around. + case KEY_PAGEUP: + GotoNextPage(-1); + bResult = true; + break; + + // Go to next page. No wrap around... + case KEY_PAGEDOWN: + GotoNextPage(+1); + bResult = true; + break; + + case KEY_HOME: + GotoPage(0); + bResult = true; + break; + + case KEY_END: + GotoPage(mrSlideSorter.GetModel().GetPageCount()-1); + bResult = true; + break; + + case KEY_DELETE: + case KEY_BACKSPACE: + { + if (mrSlideSorter.GetProperties()->IsUIReadOnly()) + break; + + mrController.GetSelectionManager()->DeleteSelectedPages(rCode.GetCode()==KEY_DELETE); + + mnShiftKeySelectionAnchor = -1; + bResult = true; + } + break; + + case KEY_F10: + if (rCode.IsShift()) + { + mpModeHandler->SelectOnePage( + mrSlideSorter.GetController().GetFocusManager().GetFocusedPageDescriptor()); + } + break; + + default: + break; + } + + if ( ! bResult) + bResult = FuPoor::KeyInput(rEvent); + + return bResult; +} + +void SelectionFunction::MoveFocus ( + const FocusManager::FocusMoveDirection eDirection, + const bool bIsShiftDown, + const bool bIsControlDown) +{ + // Remember the anchor of shift key multi selection. + if (bIsShiftDown) + { + if (mnShiftKeySelectionAnchor<0) + { + model::SharedPageDescriptor pFocusedDescriptor ( + mrController.GetFocusManager().GetFocusedPageDescriptor()); + mnShiftKeySelectionAnchor = pFocusedDescriptor->GetPageIndex(); + } + } + else if ( ! bIsControlDown) + ResetShiftKeySelectionAnchor(); + + mrController.GetFocusManager().MoveFocus(eDirection); + + PageSelector& rSelector (mrController.GetPageSelector()); + model::SharedPageDescriptor pFocusedDescriptor ( + mrController.GetFocusManager().GetFocusedPageDescriptor()); + if (bIsShiftDown) + { + // When shift is pressed then select all pages in the range between + // the currently and the previously focused pages, including them. + if (pFocusedDescriptor) + { + sal_Int32 nPageRangeEnd (pFocusedDescriptor->GetPageIndex()); + model::PageEnumeration aPages ( + model::PageEnumerationProvider::CreateAllPagesEnumeration( + mrSlideSorter.GetModel())); + while (aPages.HasMoreElements()) + { + model::SharedPageDescriptor pDescriptor (aPages.GetNextElement()); + if (pDescriptor) + { + const sal_Int32 nPageIndex(pDescriptor->GetPageIndex()); + if ((nPageIndex>=mnShiftKeySelectionAnchor && nPageIndex<=nPageRangeEnd) + || (nPageIndex<=mnShiftKeySelectionAnchor && nPageIndex>=nPageRangeEnd)) + { + rSelector.SelectPage(pDescriptor); + } + else + { + rSelector.DeselectPage(pDescriptor); + } + } + } + } + } + else if (bIsControlDown) + { + // When control is pressed then do not alter the selection or the + // current page, just move the focus. + } + else + { + // Without shift just select the focused page. + mpModeHandler->SelectOnePage(pFocusedDescriptor); + } +} + +void SelectionFunction::DoCut() +{ + if ( ! mrSlideSorter.GetProperties()->IsUIReadOnly()) + { + mrController.GetClipboard().DoCut(); + } +} + +void SelectionFunction::DoCopy() +{ + mrController.GetClipboard().DoCopy(); +} + +void SelectionFunction::DoPaste() +{ + if ( ! mrSlideSorter.GetProperties()->IsUIReadOnly()) + { + mrController.GetClipboard().DoPaste(); + } +} + +bool SelectionFunction::cancel() +{ + mrController.GetFocusManager().ToggleFocus(); + return true; +} + +void SelectionFunction::GotoNextPage (int nOffset) +{ + model::SharedPageDescriptor pDescriptor + = mrController.GetCurrentSlideManager()->GetCurrentSlide(); + if (pDescriptor) + { + SdPage* pPage = pDescriptor->GetPage(); + OSL_ASSERT(pPage!=nullptr); + sal_Int32 nIndex = (pPage->GetPageNum()-1) / 2; + GotoPage(nIndex + nOffset); + } + ResetShiftKeySelectionAnchor(); +} + +void SelectionFunction::GotoPage (int nIndex) +{ + sal_uInt16 nPageCount = static_cast<sal_uInt16>(mrSlideSorter.GetModel().GetPageCount()); + + if (nIndex >= nPageCount) + nIndex = nPageCount - 1; + if (nIndex < 0) + nIndex = 0; + + mrController.GetFocusManager().SetFocusedPage(nIndex); + model::SharedPageDescriptor pNextPageDescriptor ( + mrSlideSorter.GetModel().GetPageDescriptor (nIndex)); + if (pNextPageDescriptor) + mpModeHandler->SetCurrentPage(pNextPageDescriptor); + else + { + OSL_ASSERT(pNextPageDescriptor); + } + ResetShiftKeySelectionAnchor(); +} + +void SelectionFunction::ProcessMouseEvent (sal_uInt32 nEventType, const MouseEvent& rEvent) +{ + // #95491# remember button state for creation of own MouseEvents + SetMouseButtonCode (rEvent.GetButtons()); + + EventDescriptor aEventDescriptor (nEventType, rEvent, mrSlideSorter); + ProcessEvent(aEventDescriptor); +} + +void SelectionFunction::MouseDragged ( + const AcceptDropEvent& rEvent, + const sal_Int8 nDragAction) +{ + EventDescriptor aEventDescriptor (MOUSE_DRAG, rEvent, nDragAction, mrSlideSorter); + ProcessEvent(aEventDescriptor); +} + +void SelectionFunction::ProcessEvent (EventDescriptor& rDescriptor) +{ + // The call to ProcessEvent may switch to another mode handler. + // Prevent the untimely destruction of the called handler by acquiring a + // temporary reference here. + std::shared_ptr<ModeHandler> pModeHandler (mpModeHandler); + pModeHandler->ProcessEvent(rDescriptor); +} + +static bool Match ( + const sal_uInt32 nEventCode, + const sal_uInt32 nPositivePattern) +{ + return (nEventCode & nPositivePattern)==nPositivePattern; +} + +void SelectionFunction::SwitchToNormalMode() +{ + if (mpModeHandler->GetMode() != NormalMode) + SwitchMode(std::make_shared<NormalModeHandler>(mrSlideSorter, *this)); +} + +void SelectionFunction::SwitchToDragAndDropMode (const Point& rMousePosition) +{ + if (mpModeHandler->GetMode() == DragAndDropMode) + return; + + SwitchMode(std::make_shared<DragAndDropModeHandler>(mrSlideSorter, *this, rMousePosition, mpWindow)); +} + +void SelectionFunction::SwitchToMultiSelectionMode ( + const Point& rMousePosition, + const sal_uInt32 nEventCode) +{ + if (mpModeHandler->GetMode() != MultiSelectionMode) + SwitchMode(std::make_shared<MultiSelectionModeHandler>(mrSlideSorter, *this, rMousePosition, nEventCode)); +} + +void SelectionFunction::SwitchMode (const std::shared_ptr<ModeHandler>& rpHandler) +{ + // Not all modes allow mouse over indicator. + if (mpModeHandler->IsMouseOverIndicatorAllowed() != rpHandler->IsMouseOverIndicatorAllowed()) + { + if ( ! rpHandler->IsMouseOverIndicatorAllowed()) + { + mrSlideSorter.GetView().SetPageUnderMouse(model::SharedPageDescriptor()); + } + else + mrSlideSorter.GetView().UpdatePageUnderMouse(); + } + + mpModeHandler = rpHandler; +} + +void SelectionFunction::ResetShiftKeySelectionAnchor() +{ + mnShiftKeySelectionAnchor = -1; +} + +void SelectionFunction::ResetMouseAnchor() +{ + if (mpModeHandler && mpModeHandler->GetMode() == NormalMode) + { + std::shared_ptr<NormalModeHandler> pHandler ( + std::dynamic_pointer_cast<NormalModeHandler>(mpModeHandler)); + if (pHandler) + pHandler->ResetButtonDownLocation(); + } +} + +//===== EventDescriptor ======================================================= + +SelectionFunction::EventDescriptor::EventDescriptor ( + const sal_uInt32 nEventType, + const MouseEvent& rEvent, + SlideSorter const & rSlideSorter) + : maMousePosition(rEvent.GetPosPixel()), + mpHitPage(), + mnEventCode(nEventType), + meDragMode(InsertionIndicatorHandler::MoveMode), + mbIsLeaving(false) +{ + maMouseModelPosition = rSlideSorter.GetContentWindow()->PixelToLogic(maMousePosition); + mpHitDescriptor = rSlideSorter.GetController().GetPageAt(maMousePosition); + if (mpHitDescriptor) + { + mpHitPage = mpHitDescriptor->GetPage(); + } + + mnEventCode |= EncodeMouseEvent(rEvent); + mnEventCode |= EncodeState(); + + // Detect the mouse leaving the window. When not button is pressed then + // we can call IsLeaveWindow at the event. Otherwise we have to make an + // explicit test. + mbIsLeaving = rEvent.IsLeaveWindow() + || ! ::tools::Rectangle(Point(0,0), + rSlideSorter.GetContentWindow()->GetOutputSizePixel()).Contains(maMousePosition); +} + +SelectionFunction::EventDescriptor::EventDescriptor ( + const sal_uInt32 nEventType, + const AcceptDropEvent& rEvent, + const sal_Int8 nDragAction, + SlideSorter const & rSlideSorter) + : maMousePosition(rEvent.maPosPixel), + mpHitPage(), + mnEventCode(nEventType), + meDragMode(InsertionIndicatorHandler::GetModeFromDndAction(nDragAction)), + mbIsLeaving(false) +{ + maMouseModelPosition = rSlideSorter.GetContentWindow()->PixelToLogic(maMousePosition); + mpHitDescriptor = rSlideSorter.GetController().GetPageAt(maMousePosition); + if (mpHitDescriptor) + { + mpHitPage = mpHitDescriptor->GetPage(); + } + + mnEventCode |= EncodeState(); + + // Detect the mouse leaving the window. When not button is pressed then + // we can call IsLeaveWindow at the event. Otherwise we have to make an + // explicit test. + mbIsLeaving = rEvent.mbLeaving + || ! ::tools::Rectangle(Point(0,0), + rSlideSorter.GetContentWindow()->GetOutputSizePixel()).Contains(maMousePosition); +} + +sal_uInt32 SelectionFunction::EventDescriptor::EncodeMouseEvent ( + const MouseEvent& rEvent) const +{ + // Initialize with the type of mouse event. + sal_uInt32 nEventCode (mnEventCode & (BUTTON_DOWN | BUTTON_UP | MOUSE_MOTION)); + + // Detect the affected button. + switch (rEvent.GetButtons()) + { + case MOUSE_LEFT: nEventCode |= LEFT_BUTTON; break; + case MOUSE_RIGHT: nEventCode |= RIGHT_BUTTON; break; + case MOUSE_MIDDLE: nEventCode |= MIDDLE_BUTTON; break; + } + + // Detect the number of clicks. + switch (rEvent.GetClicks()) + { + case 1: nEventCode |= SINGLE_CLICK; break; + case 2: nEventCode |= DOUBLE_CLICK; break; + } + + // Detect pressed modifier keys. + if (rEvent.IsShift()) + nEventCode |= SHIFT_MODIFIER; + if (rEvent.IsMod1()) + nEventCode |= CONTROL_MODIFIER; + + return nEventCode; +} + +sal_uInt32 SelectionFunction::EventDescriptor::EncodeState() const +{ + sal_uInt32 nEventCode (0); + + // Detect whether the event has happened over a page object. + if (mpHitPage!=nullptr && mpHitDescriptor) + { + if (mpHitDescriptor->HasState(model::PageDescriptor::ST_Selected)) + nEventCode |= OVER_SELECTED_PAGE; + else + nEventCode |= OVER_UNSELECTED_PAGE; + } + + return nEventCode; +} + +//===== SelectionFunction::ModeHandler ======================================== + +SelectionFunction::ModeHandler::ModeHandler ( + SlideSorter& rSlideSorter, + SelectionFunction& rSelectionFunction, + const bool bIsMouseOverIndicatorAllowed) + : mrSlideSorter(rSlideSorter), + mrSelectionFunction(rSelectionFunction), + mbIsMouseOverIndicatorAllowed(bIsMouseOverIndicatorAllowed) +{ +} + +SelectionFunction::ModeHandler::~ModeHandler() COVERITY_NOEXCEPT_FALSE +{ +} + +void SelectionFunction::ModeHandler::ReprocessEvent (EventDescriptor& rDescriptor) +{ + mrSelectionFunction.ProcessEvent(rDescriptor); +} + +void SelectionFunction::ModeHandler::ProcessEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + PageSelector::BroadcastLock aBroadcastLock (mrSlideSorter); + PageSelector::UpdateLock aUpdateLock (mrSlideSorter); + + bool bIsProcessed (false); + switch (rDescriptor.mnEventCode & (BUTTON_DOWN | BUTTON_UP | MOUSE_MOTION | MOUSE_DRAG)) + { + case BUTTON_DOWN: + bIsProcessed = ProcessButtonDownEvent(rDescriptor); + break; + + case BUTTON_UP: + bIsProcessed = ProcessButtonUpEvent(rDescriptor); + break; + + case MOUSE_MOTION: + bIsProcessed = ProcessMotionEvent(rDescriptor); + break; + + case MOUSE_DRAG: + bIsProcessed = ProcessDragEvent(rDescriptor); + break; + } + + if ( ! bIsProcessed) + HandleUnprocessedEvent(rDescriptor); +} + +bool SelectionFunction::ModeHandler::ProcessButtonDownEvent (EventDescriptor&) +{ + return false; +} + +bool SelectionFunction::ModeHandler::ProcessButtonUpEvent (EventDescriptor&) +{ + mrSelectionFunction.SwitchToNormalMode(); + return false; +} + +bool SelectionFunction::ModeHandler::ProcessMotionEvent (EventDescriptor& rDescriptor) +{ + if (mbIsMouseOverIndicatorAllowed) + mrSlideSorter.GetView().UpdatePageUnderMouse(rDescriptor.maMousePosition); + + if (rDescriptor.mbIsLeaving) + { + mrSelectionFunction.SwitchToNormalMode(); + mrSlideSorter.GetView().SetPageUnderMouse(model::SharedPageDescriptor()); + + return true; + } + else + return false; +} + +bool SelectionFunction::ModeHandler::ProcessDragEvent (EventDescriptor&) +{ + return false; +} + +bool SelectionFunction::ModeHandler::HandleUnprocessedEvent (EventDescriptor&) +{ + return false; +} + +void SelectionFunction::ModeHandler::SetCurrentPage ( + const model::SharedPageDescriptor& rpDescriptor) +{ + SelectOnePage(rpDescriptor); + mrSlideSorter.GetController().GetCurrentSlideManager()->SwitchCurrentSlide(rpDescriptor); +} + +void SelectionFunction::ModeHandler::DeselectAllPages() +{ + mrSlideSorter.GetController().GetPageSelector().DeselectAllPages(); + mrSelectionFunction.ResetShiftKeySelectionAnchor(); +} + +void SelectionFunction::ModeHandler::SelectOnePage ( + const model::SharedPageDescriptor& rpDescriptor) +{ + DeselectAllPages(); + mrSlideSorter.GetController().GetPageSelector().SelectPage(rpDescriptor); +} + +void SelectionFunction::ModeHandler::SwitchView (const model::SharedPageDescriptor& rpDescriptor) +{ + // Switch to the draw view. This is done only when the current + // view is the main view. + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + if (pViewShell==nullptr || !pViewShell->IsMainViewShell()) + return; + + if (rpDescriptor && rpDescriptor->GetPage()!=nullptr) + { + mrSlideSorter.GetModel().GetDocument()->SetSelected(rpDescriptor->GetPage(), true); + pViewShell->GetFrameView()->SetSelectedPage( + (rpDescriptor->GetPage()->GetPageNum()-1)/2); + } + if (mrSlideSorter.GetViewShellBase() != nullptr) + framework::FrameworkHelper::Instance(*mrSlideSorter.GetViewShellBase())->RequestView( + framework::FrameworkHelper::msImpressViewURL, + framework::FrameworkHelper::msCenterPaneURL); +} + +void SelectionFunction::ModeHandler::StartDrag ( + const Point& rMousePosition) +{ + // Do not start a drag-and-drop operation when one is already active. + // (when dragging pages from one document into another, pressing a + // modifier key can trigger a MouseMotion event in the originating + // window (focus still in there). Together with the mouse button pressed + // (drag-and-drop is active) this triggers the start of drag-and-drop.) + if (SD_MOD()->pTransferDrag != nullptr) + return; + + if ( ! mrSlideSorter.GetProperties()->IsUIReadOnly()) + { + mrSelectionFunction.SwitchToDragAndDropMode(rMousePosition); + } +} + +//===== NormalModeHandler ===================================================== + +NormalModeHandler::NormalModeHandler ( + SlideSorter& rSlideSorter, + SelectionFunction& rSelectionFunction) + : ModeHandler(rSlideSorter, rSelectionFunction, true) +{ +} + +SelectionFunction::Mode NormalModeHandler::GetMode() const +{ + return SelectionFunction::NormalMode; +} + +void NormalModeHandler::Abort() +{ +} + +bool NormalModeHandler::ProcessButtonDownEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + // Remember the location where the left button is pressed. With + // that we can filter away motion events that are caused by key + // presses. We also can tune the minimal motion distance that + // triggers a drag-and-drop operation. + if ((rDescriptor.mnEventCode & BUTTON_DOWN) != 0) + maButtonDownLocation = rDescriptor.maMousePosition; + + switch (rDescriptor.mnEventCode) + { + case BUTTON_DOWN | LEFT_BUTTON | SINGLE_CLICK | OVER_UNSELECTED_PAGE: + SetCurrentPage(rDescriptor.mpHitDescriptor); + break; + + case BUTTON_DOWN | LEFT_BUTTON | SINGLE_CLICK | OVER_SELECTED_PAGE: + break; + + case BUTTON_DOWN | LEFT_BUTTON | DOUBLE_CLICK | OVER_SELECTED_PAGE: + case BUTTON_DOWN | LEFT_BUTTON | DOUBLE_CLICK | OVER_UNSELECTED_PAGE: + // A double click always shows the selected slide in the center + // pane in an edit view. + SetCurrentPage(rDescriptor.mpHitDescriptor); + SwitchView(rDescriptor.mpHitDescriptor); + break; + + case BUTTON_DOWN | LEFT_BUTTON | SINGLE_CLICK | OVER_SELECTED_PAGE | SHIFT_MODIFIER: + case BUTTON_DOWN | LEFT_BUTTON | SINGLE_CLICK | OVER_UNSELECTED_PAGE | SHIFT_MODIFIER: + // Range selection with the shift modifier. + RangeSelect(rDescriptor.mpHitDescriptor); + break; + + // Right button for context menu. + case BUTTON_DOWN | RIGHT_BUTTON | SINGLE_CLICK | OVER_UNSELECTED_PAGE: + // Single right click and shift+F10 select as preparation to + // show the context menu. Change the selection only when the + // page under the mouse is not selected. In this case the + // selection is set to this single page. Otherwise the + // selection is not modified. + SetCurrentPage(rDescriptor.mpHitDescriptor); + break; + + case BUTTON_DOWN | RIGHT_BUTTON | SINGLE_CLICK | OVER_SELECTED_PAGE: + // Do not change the selection. Just adjust the insertion indicator. + break; + + case BUTTON_DOWN | RIGHT_BUTTON | SINGLE_CLICK | NOT_OVER_PAGE: + // Remember the current selection so that when a multi selection + // is started, we can restore the previous selection. + mrSlideSorter.GetModel().SaveCurrentSelection(); + DeselectAllPages(); + break; + + case ANY_MODIFIER(BUTTON_DOWN | LEFT_BUTTON | SINGLE_CLICK | NOT_OVER_PAGE): + // Remember the current selection so that when a multi selection + // is started, we can restore the previous selection. + mrSlideSorter.GetModel().SaveCurrentSelection(); + DeselectAllPages(); + break; + + case BUTTON_DOWN | LEFT_BUTTON | DOUBLE_CLICK | NOT_OVER_PAGE: + { + // Insert a new slide: + // First of all we need to set the insertion indicator which sets the + // position where the new slide will be inserted. + std::shared_ptr<InsertionIndicatorHandler> pInsertionIndicatorHandler + = mrSlideSorter.GetController().GetInsertionIndicatorHandler(); + + pInsertionIndicatorHandler->Start(false); + pInsertionIndicatorHandler->UpdatePosition( + rDescriptor.maMousePosition, + InsertionIndicatorHandler::MoveMode); + + mrSlideSorter.GetController().GetSelectionManager()->SetInsertionPosition( + pInsertionIndicatorHandler->GetInsertionPageIndex()); + + mrSlideSorter.GetViewShell()->GetDispatcher()->Execute( + SID_INSERTPAGE, + SfxCallMode::ASYNCHRON | SfxCallMode::RECORD); + + pInsertionIndicatorHandler->End(Animator::AM_Immediate); + + break; + } + + default: + return false; + } + return true; +} + +bool NormalModeHandler::ProcessButtonUpEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + bool bIsProcessed (true); + switch (rDescriptor.mnEventCode) + { + case BUTTON_UP | LEFT_BUTTON | SINGLE_CLICK | OVER_SELECTED_PAGE: + SetCurrentPage(rDescriptor.mpHitDescriptor); + break; + + // Multi selection with the control modifier. + case BUTTON_UP | LEFT_BUTTON | SINGLE_CLICK | OVER_SELECTED_PAGE | CONTROL_MODIFIER: + mrSlideSorter.GetController().GetPageSelector().DeselectPage( + rDescriptor.mpHitDescriptor); + break; + + case BUTTON_UP | LEFT_BUTTON | SINGLE_CLICK | OVER_UNSELECTED_PAGE | CONTROL_MODIFIER: + mrSlideSorter.GetController().GetPageSelector().SelectPage( + rDescriptor.mpHitDescriptor); + mrSlideSorter.GetView().SetPageUnderMouse(rDescriptor.mpHitDescriptor); + break; + case BUTTON_UP | LEFT_BUTTON | SINGLE_CLICK | NOT_OVER_PAGE: + break; + + default: + bIsProcessed = false; + break; + } + mrSelectionFunction.SwitchToNormalMode(); + return bIsProcessed; +} + +bool NormalModeHandler::ProcessMotionEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + if (ModeHandler::ProcessMotionEvent(rDescriptor)) + return true; + + bool bIsProcessed (true); + switch (rDescriptor.mnEventCode) + { + // A mouse motion without visible substitution starts that. + case ANY_MODIFIER(MOUSE_MOTION | LEFT_BUTTON | SINGLE_CLICK | OVER_UNSELECTED_PAGE): + case ANY_MODIFIER(MOUSE_MOTION | LEFT_BUTTON | SINGLE_CLICK | OVER_SELECTED_PAGE): + { + if (maButtonDownLocation) + { + const sal_Int32 nDistance(std::max( + std::abs(maButtonDownLocation->X() - rDescriptor.maMousePosition.X()), + std::abs(maButtonDownLocation->Y() - rDescriptor.maMousePosition.Y()))); + if (nDistance > 3) + StartDrag(rDescriptor.maMousePosition); + } + break; + } + + // A mouse motion not over a page starts a rectangle selection. + case ANY_MODIFIER(MOUSE_MOTION | LEFT_BUTTON | SINGLE_CLICK | NOT_OVER_PAGE): + mrSelectionFunction.SwitchToMultiSelectionMode( + rDescriptor.maMouseModelPosition, + rDescriptor.mnEventCode); + break; + + default: + bIsProcessed = false; + break; + } + return bIsProcessed; +} + +bool NormalModeHandler::ProcessDragEvent (SelectionFunction::EventDescriptor& rDescriptor) +{ + mrSelectionFunction.SwitchToDragAndDropMode(rDescriptor.maMousePosition); + ReprocessEvent(rDescriptor); + return true; +} + +void NormalModeHandler::RangeSelect (const model::SharedPageDescriptor& rpDescriptor) +{ + PageSelector::UpdateLock aLock (mrSlideSorter); + PageSelector& rSelector (mrSlideSorter.GetController().GetPageSelector()); + + model::SharedPageDescriptor pAnchor (rSelector.GetSelectionAnchor()); + DeselectAllPages(); + + if (!pAnchor) + return; + + // Select all pages between the anchor and the given one, including + // the two. + const sal_uInt16 nAnchorIndex ((pAnchor->GetPage()->GetPageNum()-1) / 2); + const sal_uInt16 nOtherIndex ((rpDescriptor->GetPage()->GetPageNum()-1) / 2); + + // Iterate over all pages in the range. Start with the anchor + // page. This way the PageSelector will recognize it again as + // anchor (the first selected page after a DeselectAllPages() + // becomes the anchor.) + const sal_uInt16 nStep ((nAnchorIndex < nOtherIndex) ? +1 : -1); + sal_uInt16 nIndex (nAnchorIndex); + while (true) + { + rSelector.SelectPage(nIndex); + if (nIndex == nOtherIndex) + break; + nIndex = nIndex + nStep; + } +} + +void NormalModeHandler::ResetButtonDownLocation() +{ + maButtonDownLocation = ::std::optional<Point>(); +} + +//===== MultiSelectionModeHandler ============================================= + +MultiSelectionModeHandler::MultiSelectionModeHandler ( + SlideSorter& rSlideSorter, + SelectionFunction& rSelectionFunction, + const Point& rMouseModelPosition, + const sal_uInt32 nEventCode) + : ModeHandler(rSlideSorter, rSelectionFunction, false), + meSelectionMode(SM_Normal), + maSecondCorner(rMouseModelPosition), + maSavedPointer(mrSlideSorter.GetContentWindow()->GetPointer()), + mbAutoScrollInstalled(false), + mnAnchorIndex(-1), + mnSecondIndex(-1) +{ + + mrSlideSorter.GetContentWindow()->SetPointer(PointerStyle::Text); + SetSelectionModeFromModifier(nEventCode); +} + +MultiSelectionModeHandler::~MultiSelectionModeHandler() +{ + if (mbAutoScrollInstalled) + { + //a call to this handler's MultiSelectionModeHandler::UpdatePosition + //may be still waiting to be called back + mrSlideSorter.GetController().GetScrollBarManager().clearAutoScrollFunctor(); + } + mrSlideSorter.GetContentWindow()->SetPointer(maSavedPointer); +} + +SelectionFunction::Mode MultiSelectionModeHandler::GetMode() const +{ + return SelectionFunction::MultiSelectionMode; +} + +void MultiSelectionModeHandler::Abort() +{ + mrSlideSorter.GetView().RequestRepaint(mrSlideSorter.GetModel().RestoreSelection()); +} + +void MultiSelectionModeHandler::ProcessEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + // During a multi selection we do not want sudden jumps of the + // visible area caused by moving newly selected pages into view. + // Therefore disable that temporarily. The disabled object is + // released at the end of the event processing, after the focus and + // current slide have been updated. + VisibleAreaManager::TemporaryDisabler aDisabler (mrSlideSorter); + + ModeHandler::ProcessEvent(rDescriptor); +} + +bool MultiSelectionModeHandler::ProcessButtonUpEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + if (mbAutoScrollInstalled) + { + //a call to this handler's MultiSelectionModeHandler::UpdatePosition + //may be still waiting to be called back + mrSlideSorter.GetController().GetScrollBarManager().clearAutoScrollFunctor(); + mbAutoScrollInstalled = false; + } + + if (Match(rDescriptor.mnEventCode, BUTTON_UP | LEFT_BUTTON | SINGLE_CLICK)) + { + mrSelectionFunction.SwitchToNormalMode(); + return true; + } + else + return false; +} + +bool MultiSelectionModeHandler::ProcessMotionEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + // The selection rectangle is visible. Handle events accordingly. + if (Match(rDescriptor.mnEventCode, MOUSE_MOTION | LEFT_BUTTON | SINGLE_CLICK)) + { + SetSelectionModeFromModifier(rDescriptor.mnEventCode); + UpdatePosition(rDescriptor.maMousePosition, true); + return true; + } + else + return false; +} + +bool MultiSelectionModeHandler::HandleUnprocessedEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + if ( ! ModeHandler::HandleUnprocessedEvent(rDescriptor)) + { + // If the event has not been processed then stop multi selection. + mrSelectionFunction.SwitchToNormalMode(); + ReprocessEvent(rDescriptor); + } + return true; +} + +void MultiSelectionModeHandler::UpdatePosition ( + const Point& rMousePosition, + const bool bAllowAutoScroll) +{ + VisibleAreaManager::TemporaryDisabler aDisabler (mrSlideSorter); + + // Convert window coordinates into model coordinates (we need the + // window coordinates for auto-scrolling because that remains + // constant while scrolling.) + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + const Point aMouseModelPosition (pWindow->PixelToLogic(rMousePosition)); + + bool bDoAutoScroll = bAllowAutoScroll && mrSlideSorter.GetController().GetScrollBarManager().AutoScroll( + rMousePosition, + [this, &rMousePosition] () { return this->UpdatePosition(rMousePosition, false); }); + + if (!bDoAutoScroll) + UpdateModelPosition(aMouseModelPosition); + + mbAutoScrollInstalled |= bDoAutoScroll; +} + +void MultiSelectionModeHandler::SetSelectionModeFromModifier ( + const sal_uInt32 nEventCode) +{ + switch (nEventCode & MODIFIER_MASK) + { + case NO_MODIFIER: + SetSelectionMode(SM_Normal); + break; + + case SHIFT_MODIFIER: + SetSelectionMode(SM_Add); + break; + + case CONTROL_MODIFIER: + SetSelectionMode(SM_Toggle); + break; + } +} + +void MultiSelectionModeHandler::SetSelectionMode (const SelectionMode eSelectionMode) +{ + if (meSelectionMode != eSelectionMode) + { + meSelectionMode = eSelectionMode; + UpdateSelection(); + } +} + +void MultiSelectionModeHandler::UpdateSelectionState ( + const model::SharedPageDescriptor& rpDescriptor, + const bool bIsInSelection) const +{ + // Determine whether the page was selected before the rectangle + // selection was started. + const bool bWasSelected (rpDescriptor->HasState(model::PageDescriptor::ST_WasSelected)); + + // Combine the two selection states depending on the selection mode. + bool bSelect (false); + switch(meSelectionMode) + { + case SM_Normal: + bSelect = bIsInSelection; + break; + + case SM_Add: + bSelect = bIsInSelection || bWasSelected; + break; + + case SM_Toggle: + if (bIsInSelection) + bSelect = !bWasSelected; + else + bSelect = bWasSelected; + break; + } + + // Set the new selection state. + if (bSelect) + mrSlideSorter.GetController().GetPageSelector().SelectPage(rpDescriptor); + else + mrSlideSorter.GetController().GetPageSelector().DeselectPage(rpDescriptor); +} + +void MultiSelectionModeHandler::UpdateModelPosition (const Point& rMouseModelPosition) +{ + maSecondCorner = rMouseModelPosition; + UpdateSelection(); +} + +void MultiSelectionModeHandler::UpdateSelection() +{ + view::SlideSorterView::DrawLock aLock (mrSlideSorter); + + model::SlideSorterModel& rModel (mrSlideSorter.GetModel()); + const sal_Int32 nPageCount (rModel.GetPageCount()); + + const sal_Int32 nIndexUnderMouse ( + mrSlideSorter.GetView().GetLayouter().GetIndexAtPoint ( + maSecondCorner, + false, + false)); + if (nIndexUnderMouse < 0 || nIndexUnderMouse >= nPageCount) + return; + + if (mnAnchorIndex < 0) + mnAnchorIndex = nIndexUnderMouse; + mnSecondIndex = nIndexUnderMouse; + + Range aRange (mnAnchorIndex, mnSecondIndex); + aRange.Justify(); + + for (sal_Int32 nIndex=0; nIndex<nPageCount; ++nIndex) + { + UpdateSelectionState(rModel.GetPageDescriptor(nIndex), aRange.Contains(nIndex)); + } +} + +//===== DragAndDropModeHandler ================================================ + +DragAndDropModeHandler::DragAndDropModeHandler ( + SlideSorter& rSlideSorter, + SelectionFunction& rSelectionFunction, + const Point& rMousePosition, + vcl::Window* pWindow) + : ModeHandler(rSlideSorter, rSelectionFunction, false) +{ + SdTransferable* pDragTransferable = SD_MOD()->pTransferDrag; + if (pDragTransferable==nullptr && mrSlideSorter.GetViewShell() != nullptr) + { + SlideSorterViewShell* pSlideSorterViewShell + = dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell()); + if (pSlideSorterViewShell != nullptr) + pSlideSorterViewShell->StartDrag(rMousePosition, pWindow); + pDragTransferable = SD_MOD()->pTransferDrag; + } + + mpDragAndDropContext.reset(new DragAndDropContext(mrSlideSorter)); + mrSlideSorter.GetController().GetInsertionIndicatorHandler()->Start( + pDragTransferable != nullptr + && pDragTransferable->GetView()==&mrSlideSorter.GetView()); +} + +DragAndDropModeHandler::~DragAndDropModeHandler() +{ + if (mpDragAndDropContext) + { + // Disconnect the substitution handler from this selection function. + mpDragAndDropContext->SetTargetSlideSorter(); + mpDragAndDropContext.reset(); + } + mrSlideSorter.GetController().GetInsertionIndicatorHandler()->End(Animator::AM_Animated); +} + +SelectionFunction::Mode DragAndDropModeHandler::GetMode() const +{ + return SelectionFunction::DragAndDropMode; +} + +void DragAndDropModeHandler::Abort() +{ + mrSlideSorter.GetController().GetClipboard().Abort(); + if (mpDragAndDropContext) + mpDragAndDropContext->Dispose(); + // mrSlideSorter.GetView().RequestRepaint(mrSlideSorter.GetModel().RestoreSelection()); +} + +bool DragAndDropModeHandler::ProcessButtonUpEvent ( + SelectionFunction::EventDescriptor& rDescriptor) +{ + if (Match(rDescriptor.mnEventCode, BUTTON_UP | LEFT_BUTTON)) + { + // The following Process() call may lead to the destruction + // of rDescriptor.mpHitDescriptor so release our reference to it. + rDescriptor.mpHitDescriptor.reset(); + mrSelectionFunction.SwitchToNormalMode(); + return true; + } + else + return false; +} + +bool DragAndDropModeHandler::ProcessDragEvent (SelectionFunction::EventDescriptor& rDescriptor) +{ + OSL_ASSERT(mpDragAndDropContext); + + if (rDescriptor.mbIsLeaving) + { + mrSelectionFunction.SwitchToNormalMode(); + } + else if (mpDragAndDropContext) + { + mpDragAndDropContext->UpdatePosition( + rDescriptor.maMousePosition, + rDescriptor.meDragMode, true); + } + + return true; +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsSelectionManager.cxx b/sd/source/ui/slidesorter/controller/SlsSelectionManager.cxx new file mode 100644 index 000000000..e1f75b21c --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsSelectionManager.cxx @@ -0,0 +1,309 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsSelectionManager.hxx> + +#include <SlideSorter.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <controller/SlsFocusManager.hxx> +#include <controller/SlsPageSelector.hxx> +#include <controller/SlsSelectionObserver.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageEnumerationProvider.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <view/SlideSorterView.hxx> +#include <tools/diagnose_ex.h> +#include <drawdoc.hxx> +#include <sdpage.hxx> +#include <drawview.hxx> +#include <DrawViewShell.hxx> +#include <ViewShellBase.hxx> +#include <svx/svxids.hrc> +#include <com/sun/star/drawing/XMasterPagesSupplier.hpp> +#include <com/sun/star/drawing/XDrawPagesSupplier.hpp> + + +#include <sdresid.hxx> +#include <strings.hrc> +#include <app.hrc> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::drawing; +using namespace ::com::sun::star::uno; +using namespace ::sd::slidesorter::model; +using namespace ::sd::slidesorter::view; +using namespace ::sd::slidesorter::controller; + +namespace sd::slidesorter::controller { + +SelectionManager::SelectionManager (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + mrController(rSlideSorter.GetController()), + mnInsertionPosition(-1), + mpSelectionObserver(std::make_shared<SelectionObserver>(rSlideSorter)) +{ +} + +SelectionManager::~SelectionManager() +{ +} + +void SelectionManager::DeleteSelectedPages (const bool bSelectFollowingPage) +{ + // Create some locks to prevent updates of the model, view, selection + // state while modifying any of them. + SlideSorterController::ModelChangeLock aLock (mrController); + SlideSorterView::DrawLock aDrawLock (mrSlideSorter); + PageSelector::UpdateLock aSelectionLock (mrSlideSorter); + + // Hide focus. + bool bIsFocusShowing = mrController.GetFocusManager().IsFocusShowing(); + if (bIsFocusShowing) + mrController.GetFocusManager().ToggleFocus(); + + // Store pointers to all selected page descriptors. This is necessary + // because the pages get deselected when the first one is deleted. + model::PageEnumeration aPageEnumeration ( + PageEnumerationProvider::CreateSelectedPagesEnumeration(mrSlideSorter.GetModel())); + ::std::vector<SdPage*> aSelectedPages; + sal_Int32 nNewCurrentSlide (-1); + while (aPageEnumeration.HasMoreElements()) + { + SharedPageDescriptor pDescriptor (aPageEnumeration.GetNextElement()); + aSelectedPages.push_back(pDescriptor->GetPage()); + if (bSelectFollowingPage || nNewCurrentSlide<0) + nNewCurrentSlide = pDescriptor->GetPageIndex(); + } + if (aSelectedPages.empty()) + return; + + // Determine the slide to select (and thereby make the current slide) + // after the deletion. + if (bSelectFollowingPage) + nNewCurrentSlide -= aSelectedPages.size() - 1; + else + --nNewCurrentSlide; + + const auto pViewShell = mrSlideSorter.GetViewShell(); + const auto pDrawViewShell = pViewShell ? std::dynamic_pointer_cast<sd::DrawViewShell>(pViewShell->GetViewShellBase().GetMainViewShell()) : nullptr; + const auto pDrawView = pDrawViewShell ? pDrawViewShell->GetDrawView() : nullptr; + + if (pDrawView) + pDrawView->BlockPageOrderChangedHint(true); + + // Proper naming for the undo action + OUString sUndoComment(SdResId(STR_UNDO_DELETEPAGES)); + if (mrSlideSorter.GetView().GetDoc().GetDocumentType() == DocumentType::Draw) + sUndoComment = SdResId(STR_UNDO_DELETEPAGES_DRAW); + + // The actual deletion of the selected pages is done in one of two + // helper functions. They are specialized for normal respectively for + // master pages. + mrSlideSorter.GetView().BegUndo (sUndoComment); + if (mrSlideSorter.GetModel().GetEditMode() == EditMode::Page) + DeleteSelectedNormalPages(aSelectedPages); + else + DeleteSelectedMasterPages(aSelectedPages); + mrSlideSorter.GetView().EndUndo (); + + mrController.HandleModelChange(); + aLock.Release(); + if (pDrawView) + { + assert(pDrawViewShell); + pDrawView->BlockPageOrderChangedHint(false); + pDrawViewShell->ResetActualPage(); + } + + // Show focus and move it to next valid location. + if (bIsFocusShowing) + mrController.GetFocusManager().ToggleFocus(); + + // Set the new current slide. + if (nNewCurrentSlide < 0) + nNewCurrentSlide = 0; + else if (nNewCurrentSlide >= mrSlideSorter.GetModel().GetPageCount()) + nNewCurrentSlide = mrSlideSorter.GetModel().GetPageCount()-1; + mrController.GetPageSelector().CountSelectedPages(); + mrController.GetPageSelector().SelectPage(nNewCurrentSlide); + mrController.GetFocusManager().SetFocusedPage(nNewCurrentSlide); +} + +void SelectionManager::DeleteSelectedNormalPages (const ::std::vector<SdPage*>& rSelectedPages) +{ + // Prepare the deletion via the UNO API. + OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EditMode::Page); + + try + { + Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW ); + Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getDrawPages(), UNO_SET_THROW ); + + // Iterate over all pages that were selected when this method was called + // and delete the draw page the notes page. The iteration is done in + // reverse order so that when one slide is not deleted (to avoid an + // empty document) the remaining slide is the first one. + ::std::vector<SdPage*>::const_reverse_iterator aI; + for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); ++aI) + { + // Do not delete the last slide in the document. + if (xPages->getCount() <= 1) + break; + + const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum())); + + Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW ); + xPages->remove(xPage); + } + } + catch( Exception& ) + { + TOOLS_WARN_EXCEPTION( "sd", "SelectionManager::DeleteSelectedNormalPages()"); + } +} + +void SelectionManager::DeleteSelectedMasterPages (const ::std::vector<SdPage*>& rSelectedPages) +{ + // Prepare the deletion via the UNO API. + OSL_ASSERT(mrSlideSorter.GetModel().GetEditMode() == EditMode::MasterPage); + + try + { + Reference<drawing::XMasterPagesSupplier> xDrawPagesSupplier( mrSlideSorter.GetModel().GetDocument()->getUnoModel(), UNO_QUERY_THROW ); + Reference<drawing::XDrawPages> xPages( xDrawPagesSupplier->getMasterPages(), UNO_SET_THROW ); + + // Iterate over all pages that were selected when this method was called + // and delete the draw page the notes page. The iteration is done in + // reverse order so that when one slide is not deleted (to avoid an + // empty document) the remaining slide is the first one. + ::std::vector<SdPage*>::const_reverse_iterator aI; + for (aI=rSelectedPages.rbegin(); aI!=rSelectedPages.rend(); ++aI) + { + // Do not delete the last slide in the document. + if (xPages->getCount() <= 1) + break; + + const sal_uInt16 nPage (model::FromCoreIndex((*aI)->GetPageNum())); + + Reference< XDrawPage > xPage( xPages->getByIndex( nPage ), UNO_QUERY_THROW ); + xPages->remove(xPage); + } + } + catch( Exception& ) + { + TOOLS_WARN_EXCEPTION( "sd", "SelectionManager::DeleteSelectedMasterPages()"); + } +} + +void SelectionManager::SelectionHasChanged () +{ + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + if (pViewShell == nullptr) + return; + + pViewShell->Invalidate (SID_EXPAND_PAGE); + pViewShell->Invalidate (SID_SUMMARY_PAGE); + pViewShell->Invalidate(SID_SHOW_SLIDE); + pViewShell->Invalidate(SID_HIDE_SLIDE); + pViewShell->Invalidate(SID_DELETE_PAGE); + pViewShell->Invalidate(SID_DELETE_MASTER_PAGE); + pViewShell->Invalidate(SID_ASSIGN_LAYOUT); + + // StatusBar + pViewShell->Invalidate (SID_STATUS_PAGE); + pViewShell->Invalidate (SID_STATUS_LAYOUT); + pViewShell->Invalidate (SID_SCALE); + + OSL_ASSERT(mrController.GetCurrentSlideManager()); + SharedPageDescriptor pDescriptor(mrController.GetCurrentSlideManager()->GetCurrentSlide()); + if (pDescriptor) + pViewShell->UpdatePreview(pDescriptor->GetPage()); + + // Tell the selection change listeners that the selection has changed. + for (const auto& rLink : maSelectionChangeListeners) + { + rLink.Call(nullptr); + } + + // Reset the insertion position: until set again it is calculated from + // the current selection. + mnInsertionPosition = -1; +} + +void SelectionManager::AddSelectionChangeListener (const Link<LinkParamNone*,void>& rListener) +{ + if (::std::find ( + maSelectionChangeListeners.begin(), + maSelectionChangeListeners.end(), + rListener) == maSelectionChangeListeners.end()) + { + maSelectionChangeListeners.push_back (rListener); + } +} + +void SelectionManager::RemoveSelectionChangeListener(const Link<LinkParamNone*,void>& rListener) +{ + maSelectionChangeListeners.erase ( + ::std::find ( + maSelectionChangeListeners.begin(), + maSelectionChangeListeners.end(), + rListener)); +} + +sal_Int32 SelectionManager::GetInsertionPosition() const +{ + sal_Int32 nInsertionPosition (mnInsertionPosition); + if (nInsertionPosition < 0) + { + model::PageEnumeration aSelectedPages + (model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + // Initialize (for the case of an empty selection) with the position + // at the end of the document. + nInsertionPosition = mrSlideSorter.GetModel().GetPageCount(); + while (aSelectedPages.HasMoreElements()) + { + const sal_Int32 nPosition (aSelectedPages.GetNextElement()->GetPage()->GetPageNum()); + // Convert *2+1 index to straight index (n-1)/2 after the page + // (+1). + nInsertionPosition = model::FromCoreIndex(nPosition) + 1; + } + + } + return nInsertionPosition; +} + +void SelectionManager::SetInsertionPosition (const sal_Int32 nInsertionPosition) +{ + if (nInsertionPosition < 0) + mnInsertionPosition = -1; + else if (nInsertionPosition > mrSlideSorter.GetModel().GetPageCount()) + { + // Assert but then ignore invalid values. + OSL_ASSERT(nInsertionPosition<=mrSlideSorter.GetModel().GetPageCount()); + return; + } + else + mnInsertionPosition = nInsertionPosition; +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsSelectionObserver.cxx b/sd/source/ui/slidesorter/controller/SlsSelectionObserver.cxx new file mode 100644 index 000000000..8fb0493a0 --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsSelectionObserver.cxx @@ -0,0 +1,139 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <SlideSorter.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsSelectionManager.hxx> +#include <controller/SlsSelectionObserver.hxx> +#include <controller/SlsPageSelector.hxx> +#include <controller/SlsFocusManager.hxx> +#include <sdpage.hxx> +#include <osl/diagnose.h> + +namespace sd::slidesorter::controller +{ +SelectionObserver::Context::Context(SlideSorter const& rSlideSorter) + : mpSelectionObserver( + rSlideSorter.GetController().GetSelectionManager()->GetSelectionObserver()) +{ + if (mpSelectionObserver) + mpSelectionObserver->StartObservation(); +} + +SelectionObserver::Context::~Context() COVERITY_NOEXCEPT_FALSE +{ + if (mpSelectionObserver) + mpSelectionObserver->EndObservation(); +} + +void SelectionObserver::Context::Abort() +{ + if (mpSelectionObserver) + { + mpSelectionObserver->AbortObservation(); + mpSelectionObserver.reset(); + } +} + +//===== SelectionObserver ===================================================== + +SelectionObserver::SelectionObserver(SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter) + , mbIsObservationActive(false) + , mbPageEventOccurred(false) +{ +} + +SelectionObserver::~SelectionObserver() {} + +void SelectionObserver::NotifyPageEvent(const SdrPage* pSdrPage) +{ + if (!mbIsObservationActive) + return; + + mbPageEventOccurred = true; + + const SdPage* pPage = dynamic_cast<const SdPage*>(pSdrPage); + if (pPage == nullptr) + return; + + //NotifyPageEvent is called for add, remove, *and* change position so for + //the change position case we must ensure we don't end up with the slide + //duplicated in our list + std::vector<const SdPage*>::iterator iPage( + std::find(maInsertedPages.begin(), maInsertedPages.end(), pPage)); + if (iPage != maInsertedPages.end()) + maInsertedPages.erase(iPage); + + if (pPage->IsInserted()) + maInsertedPages.push_back(pPage); +} + +void SelectionObserver::StartObservation() +{ + OSL_ASSERT(!mbIsObservationActive); + maInsertedPages.clear(); + mbIsObservationActive = true; +} + +void SelectionObserver::AbortObservation() +{ + OSL_ASSERT(mbIsObservationActive); + mbIsObservationActive = false; + maInsertedPages.clear(); +} + +void SelectionObserver::EndObservation() +{ + OSL_ASSERT(mbIsObservationActive); + mbIsObservationActive = false; + + if (!mbPageEventOccurred) + return; + + PageSelector& rSelector(mrSlideSorter.GetController().GetPageSelector()); + PageSelector::UpdateLock aUpdateLock(mrSlideSorter); + rSelector.DeselectAllPages(); + if (!maInsertedPages.empty()) + { + // Select the inserted pages. + for (const auto& rpPage : maInsertedPages) + { + rSelector.SelectPage(rpPage); + } + maInsertedPages.clear(); + } + + aUpdateLock.Release(); + FocusManager& rFocusManager = mrSlideSorter.GetController().GetFocusManager(); + bool bSuccess = rFocusManager.SetFocusedPageToCurrentPage(); + // tdf#129346 nothing currently selected, select something, if possible + // but (tdf#129346) only if setting focus to current page failed + if (rSelector.GetPageCount() && rSelector.GetSelectedPageCount() == 0) + { + if (bSuccess) + rSelector.SelectPage(rFocusManager.GetFocusedPageDescriptor()); + else + rSelector.SelectPage(0); + } +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsSlotManager.cxx b/sd/source/ui/slidesorter/controller/SlsSlotManager.cxx new file mode 100644 index 000000000..52e05557e --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsSlotManager.cxx @@ -0,0 +1,1284 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsSlotManager.hxx> +#include <SlideSorter.hxx> +#include <SlideSorterViewShell.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsClipboard.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <controller/SlsInsertionIndicatorHandler.hxx> +#include <controller/SlsPageSelector.hxx> +#include <controller/SlsSelectionFunction.hxx> +#include <controller/SlsSelectionManager.hxx> +#include <model/SlideSorterModel.hxx> +#include <model/SlsPageEnumerationProvider.hxx> +#include <model/SlsPageDescriptor.hxx> +#include <view/SlideSorterView.hxx> +#include <view/SlsLayouter.hxx> +#include <framework/FrameworkHelper.hxx> +#include <Window.hxx> +#include <fupoor.hxx> +#include <fucushow.hxx> +#include <fusldlg.hxx> +#include <fuexpand.hxx> +#include <fusumry.hxx> +#include <slideshow.hxx> +#include <app.hrc> +#include <strings.hrc> +#include <sdresid.hxx> +#include <unokywds.hxx> +#include <drawdoc.hxx> +#include <DrawDocShell.hxx> +#include <ViewShellBase.hxx> +#include <ViewShellImplementation.hxx> +#include <sdpage.hxx> +#include <sdxfer.hxx> +#include <helpids.h> +#include <unmodpg.hxx> +#include <DrawViewShell.hxx> +#include <sdabstdlg.hxx> +#include <sdmod.hxx> + +#include <vcl/uitest/logger.hxx> +#include <vcl/uitest/eventdescription.hxx> + +#include <sfx2/request.hxx> +#include <sfx2/viewfrm.hxx> +#include <sfx2/bindings.hxx> +#include <sfx2/sidebar/Sidebar.hxx> +#include <svx/svxids.hrc> +#include <svx/svxdlg.hxx> +#include <svl/intitem.hxx> +#include <svl/stritem.hxx> +#include <svl/whiter.hxx> +#include <svl/itempool.hxx> +#include <com/sun/star/drawing/XMasterPagesSupplier.hpp> +#include <com/sun/star/drawing/XDrawPages.hpp> +#include <osl/diagnose.h> + +#include <memory> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::beans; + +namespace sd::slidesorter::controller { + +namespace { + +/** The state of a set of slides with respect to being excluded from the + slide show. +*/ +enum SlideExclusionState {UNDEFINED, EXCLUDED, INCLUDED, MIXED}; + +/** Return for the given set of slides whether they included are + excluded from the slide show. +*/ +SlideExclusionState GetSlideExclusionState (model::PageEnumeration& rPageSet); + +} // end of anonymous namespace + + +namespace { + +void collectUIInformation(std::map<OUString, OUString>&& aParameters, const OUString& rAction) +{ + EventDescription aDescription; + aDescription.aID = "impress_win_or_draw_win"; + aDescription.aParameters = std::move(aParameters); + aDescription.aAction = rAction; + aDescription.aKeyWord = "ImpressWindowUIObject"; + aDescription.aParent = "MainWindow"; + + UITestLogger::getInstance().logEvent(aDescription); +} + +} + +SlotManager::SlotManager (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter) +{ +} + +void SlotManager::FuTemporary (SfxRequest& rRequest) +{ + SdDrawDocument* pDocument = mrSlideSorter.GetModel().GetDocument(); + + SlideSorterViewShell* pShell + = dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell()); + if (pShell == nullptr) + return; + + switch (rRequest.GetSlot()) + { + case SID_PRESENTATION: + case SID_PRESENTATION_CURRENT_SLIDE: + case SID_REHEARSE_TIMINGS: + slideshowhelp::ShowSlideShow(rRequest, *mrSlideSorter.GetModel().GetDocument()); + pShell->Cancel(); + rRequest.Done(); + break; + + case SID_HIDE_SLIDE: + ChangeSlideExclusionState(model::SharedPageDescriptor(), true); + break; + + case SID_SHOW_SLIDE: + ChangeSlideExclusionState(model::SharedPageDescriptor(), false); + break; + + case SID_PAGES_PER_ROW: + if (rRequest.GetArgs() != nullptr) + { + const SfxUInt16Item* pPagesPerRow = rRequest.GetArg<SfxUInt16Item>(SID_PAGES_PER_ROW); + if (pPagesPerRow != nullptr) + { + sal_Int32 nColumnCount = pPagesPerRow->GetValue(); + // Force the given number of columns by setting + // the minimal and maximal number of columns to + // the same value. + mrSlideSorter.GetView().GetLayouter().SetColumnCount ( + nColumnCount, nColumnCount); + // Force a repaint and re-layout. + pShell->ArrangeGUIElements (); + // Rearrange the UI-elements controlled by the + // controller and force a rearrangement of the + // view. + mrSlideSorter.GetController().Rearrange(true); + } + } + rRequest.Done(); + break; + + case SID_SELECTALL: + mrSlideSorter.GetController().GetPageSelector().SelectAllPages(); + rRequest.Done(); + break; + + case SID_SLIDE_TRANSITIONS_PANEL: + { + // First make sure that the sidebar is visible + pShell->GetViewFrame()->ShowChildWindow(SID_SIDEBAR); + ::sfx2::sidebar::Sidebar::ShowPanel( + u"SdSlideTransitionPanel", + pShell->GetViewFrame()->GetFrame().GetFrameInterface()); + rRequest.Ignore (); + break; + } + + case SID_MASTER_SLIDES_PANEL: + { + // First make sure that the sidebar is visible + pShell->GetViewFrame()->ShowChildWindow(SID_SIDEBAR); + ::sfx2::sidebar::Sidebar::ShowPanel( + u"SdAllMasterPagesPanel", + pShell->GetViewFrame()->GetFrame().GetFrameInterface()); + rRequest.Ignore (); + break; + } + + case SID_PRESENTATION_DLG: + FuSlideShowDlg::Create ( + pShell, + mrSlideSorter.GetContentWindow(), + &mrSlideSorter.GetView(), + pDocument, + rRequest); + break; + + case SID_CUSTOMSHOW_DLG: + FuCustomShowDlg::Create ( + pShell, + mrSlideSorter.GetContentWindow(), + &mrSlideSorter.GetView(), + pDocument, + rRequest); + break; + + case SID_EXPAND_PAGE: + FuExpandPage::Create ( + pShell, + mrSlideSorter.GetContentWindow(), + &mrSlideSorter.GetView(), + pDocument, + rRequest); + break; + + case SID_SUMMARY_PAGE: + FuSummaryPage::Create ( + pShell, + mrSlideSorter.GetContentWindow(), + &mrSlideSorter.GetView(), + pDocument, + rRequest); + break; + + case SID_INSERTPAGE: + case SID_INSERT_MASTER_PAGE: + InsertSlide(rRequest); + rRequest.Done(); + break; + + case SID_DUPLICATE_PAGE: + DuplicateSelectedSlides(rRequest); + rRequest.Done(); + break; + + case SID_DELETE_PAGE: + case SID_DELETE_MASTER_PAGE: + case SID_DELETE: // we need SID_CUT to handle the delete key + // (DEL -> accelerator -> SID_CUT). + if (mrSlideSorter.GetModel().GetPageCount() > 1) + { + mrSlideSorter.GetView().EndTextEditAllViews(); + mrSlideSorter.GetController().GetSelectionManager()->DeleteSelectedPages(); + } + + rRequest.Done(); + break; + + case SID_RENAMEPAGE: + case SID_RENAME_MASTER_PAGE: + RenameSlide (rRequest); + rRequest.Done (); + break; + + case SID_ASSIGN_LAYOUT: + { + pShell->mpImpl->AssignLayout( rRequest, PageKind::Standard ); + rRequest.Done (); + } + break; + + case SID_PHOTOALBUM: + { + SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create(); + vcl::Window* pWin = mrSlideSorter.GetContentWindow(); + ScopedVclPtr<VclAbstractDialog> pDlg(pFact->CreateSdPhotoAlbumDialog( + pWin ? pWin->GetFrameWeld() : nullptr, + pDocument)); + pDlg->Execute(); + rRequest.Done (); + } + break; + + case SID_REMOTE_DLG: + { +#ifdef ENABLE_SDREMOTE + SdAbstractDialogFactory* pFact = SdAbstractDialogFactory::Create(); + vcl::Window* pWin = mrSlideSorter.GetContentWindow(); + ScopedVclPtr<VclAbstractDialog> pDlg(pFact->CreateRemoteDialog(pWin ? pWin->GetFrameWeld() : nullptr)); + pDlg->Execute(); +#endif + } + break; + + default: + break; + } +} + +void SlotManager::FuPermanent (SfxRequest& rRequest) +{ + ViewShell* pShell = mrSlideSorter.GetViewShell(); + if (pShell == nullptr) + return; + + if(pShell->GetCurrentFunction().is()) + { + rtl::Reference<FuPoor> xEmpty; + if (pShell->GetOldFunction() == pShell->GetCurrentFunction()) + pShell->SetOldFunction(xEmpty); + + pShell->GetCurrentFunction()->Deactivate(); + pShell->SetCurrentFunction(xEmpty); + } + + switch(rRequest.GetSlot()) + { + case SID_OBJECT_SELECT: + pShell->SetCurrentFunction( SelectionFunction::Create(mrSlideSorter, rRequest) ); + rRequest.Done(); + break; + + default: + break; + } + + if(pShell->GetOldFunction().is()) + { + pShell->GetOldFunction()->Deactivate(); + rtl::Reference<FuPoor> xEmpty; + pShell->SetOldFunction(xEmpty); + } + + if(pShell->GetCurrentFunction().is()) + { + pShell->GetCurrentFunction()->Activate(); + pShell->SetOldFunction(pShell->GetCurrentFunction()); + } + + //! that's only until ENUM-Slots ?are + // Invalidate( SID_OBJECT_SELECT ); +} + +void SlotManager::FuSupport (SfxRequest& rRequest) +{ + switch (rRequest.GetSlot()) + { + case SID_STYLE_FAMILY: + if (rRequest.GetArgs() != nullptr) + { + SdDrawDocument* pDocument + = mrSlideSorter.GetModel().GetDocument(); + if (pDocument != nullptr) + { + const SfxPoolItem& rItem ( + rRequest.GetArgs()->Get(SID_STYLE_FAMILY)); + pDocument->GetDocSh()->SetStyleFamily( + static_cast<SfxStyleFamily>(static_cast<const SfxUInt16Item&>(rItem).GetValue())); + } + } + break; + + case SID_PASTE: + { + SdTransferable* pTransferClip = SD_MOD()->pTransferClip; + if( pTransferClip ) + { + SfxObjectShell* pTransferDocShell = pTransferClip->GetDocShell().get(); + + DrawDocShell* pDocShell = dynamic_cast<DrawDocShell*>(pTransferDocShell); + if (pDocShell && pDocShell->GetDoc()->GetPageCount() > 1) + { + mrSlideSorter.GetController().GetClipboard().HandleSlotCall(rRequest); + break; + } + } + ViewShellBase* pBase = mrSlideSorter.GetViewShellBase(); + if (pBase != nullptr) + { + std::shared_ptr<DrawViewShell> pDrawViewShell ( + std::dynamic_pointer_cast<DrawViewShell>(pBase->GetMainViewShell())); + if (pDrawViewShell != nullptr) + pDrawViewShell->FuSupport(rRequest); + } + } + break; + + case SID_CUT: + case SID_COPY: + case SID_DELETE: + mrSlideSorter.GetView().EndTextEditAllViews(); + mrSlideSorter.GetController().GetClipboard().HandleSlotCall(rRequest); + break; + + case SID_DRAWINGMODE: + case SID_NOTES_MODE: + case SID_HANDOUT_MASTER_MODE: + case SID_SLIDE_SORTER_MODE: + case SID_OUTLINE_MODE: + { + ViewShellBase* pBase = mrSlideSorter.GetViewShellBase(); + if (pBase != nullptr) + { + framework::FrameworkHelper::Instance(*pBase)->HandleModeChangeSlot( + rRequest.GetSlot(), rRequest); + rRequest.Done(); + } + break; + } + + case SID_UNDO: + { + SlideSorterViewShell* pViewShell + = dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell()); + if (pViewShell != nullptr) + { + pViewShell->ImpSidUndo (rRequest); + } + break; + } + + case SID_REDO: + { + SlideSorterViewShell* pViewShell + = dynamic_cast<SlideSorterViewShell*>(mrSlideSorter.GetViewShell()); + if (pViewShell != nullptr) + { + pViewShell->ImpSidRedo (rRequest); + } + break; + } + + default: + break; + } +} + +void SlotManager::ExecCtrl (SfxRequest& rRequest) +{ + ViewShell* pViewShell = mrSlideSorter.GetViewShell(); + sal_uInt16 nSlot = rRequest.GetSlot(); + switch (nSlot) + { + case SID_RELOAD: + { + // empty Undo-Manager + mrSlideSorter.GetModel().GetDocument()->GetDocSh()->ClearUndoBuffer(); + + // normal forwarding to ViewFrame for execution + if (pViewShell != nullptr) + pViewShell->GetViewFrame()->ExecuteSlot(rRequest); + + // has to be finished right away + return; + } + + case SID_OUTPUT_QUALITY_COLOR: + case SID_OUTPUT_QUALITY_GRAYSCALE: + case SID_OUTPUT_QUALITY_BLACKWHITE: + case SID_OUTPUT_QUALITY_CONTRAST: + { + // flush page cache + if (pViewShell != nullptr) + pViewShell->ExecReq (rRequest); + break; + } + + case SID_MAIL_SCROLLBODY_PAGEDOWN: + { + if (pViewShell != nullptr) + pViewShell->ExecReq (rRequest); + break; + } + + case SID_OPT_LOCALE_CHANGED: + { + mrSlideSorter.GetController().UpdateAllPages(); + if (pViewShell != nullptr) + pViewShell->UpdatePreview (pViewShell->GetActualPage()); + rRequest.Done(); + break; + } + + case SID_SEARCH_DLG: + // We have to handle the SID_SEARCH_DLG slot explicitly because + // in some cases (when the slide sorter is displayed in the + // center pane) we want to disable the search dialog. Therefore + // we have to handle the execution of that slot as well. + // We try to do that by forwarding the request to the view frame + // of the view shell. + if (pViewShell != nullptr) + pViewShell->GetViewFrame()->ExecuteSlot(rRequest); + break; + + default: + break; + } +} + +void SlotManager::GetAttrState (SfxItemSet& rSet) +{ + // Iterate over all items. + SfxWhichIter aIter (rSet); + sal_uInt16 nWhich = aIter.FirstWhich(); + while (nWhich) + { + sal_uInt16 nSlotId (nWhich); + if (SfxItemPool::IsWhich(nWhich) && mrSlideSorter.GetViewShell()!=nullptr) + nSlotId = mrSlideSorter.GetViewShell()->GetPool().GetSlotId(nWhich); + switch (nSlotId) + { + case SID_PAGES_PER_ROW: + rSet.Put ( + SfxUInt16Item ( + nSlotId, + static_cast<sal_uInt16>(mrSlideSorter.GetView().GetLayouter().GetColumnCount()) + ) + ); + break; + } + nWhich = aIter.NextWhich(); + } +} + +void SlotManager::GetMenuState (SfxItemSet& rSet) +{ + EditMode eEditMode = mrSlideSorter.GetModel().GetEditMode(); + ViewShell* pShell = mrSlideSorter.GetViewShell(); + DrawDocShell* pDocShell = mrSlideSorter.GetModel().GetDocument()->GetDocSh(); + + if (pShell!=nullptr && pShell->GetCurrentFunction().is()) + { + sal_uInt16 nSId = pShell->GetCurrentFunction()->GetSlotID(); + + rSet.Put( SfxBoolItem( nSId, true ) ); + } + rSet.Put( SfxBoolItem( SID_DRAWINGMODE, false ) ); + rSet.Put( SfxBoolItem( SID_SLIDE_SORTER_MODE, true ) ); + rSet.Put( SfxBoolItem( SID_OUTLINE_MODE, false ) ); + rSet.Put( SfxBoolItem( SID_NOTES_MODE, false ) ); + rSet.Put( SfxBoolItem( SID_HANDOUT_MASTER_MODE, false ) ); + + if (pShell!=nullptr && pShell->IsMainViewShell()) + { + rSet.DisableItem(SID_SPELL_DIALOG); + rSet.DisableItem(SID_SEARCH_DLG); + } + + if (SfxItemState::DEFAULT == rSet.GetItemState(SID_EXPAND_PAGE)) + { + bool bDisable = true; + if (eEditMode == EditMode::Page) + { + // At least one of the selected pages has to contain an outline + // presentation objects in order to enable the expand page menu + // entry. + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + while (aSelectedPages.HasMoreElements()) + { + SdPage* pPage = aSelectedPages.GetNextElement()->GetPage(); + SdrObject* pObj = pPage->GetPresObj(PresObjKind::Outline); + if (pObj!=nullptr ) + { + if( !pObj->IsEmptyPresObj() ) + { + bDisable = false; + } + else + { + // check if the object is in edit, then if it's temporarily not empty + SdrTextObj* pTextObj = dynamic_cast< SdrTextObj* >( pObj ); + if( pTextObj ) + { + if( pTextObj->CanCreateEditOutlinerParaObject() ) + { + bDisable = false; + } + } + } + } + } + } + + if (bDisable) + rSet.DisableItem (SID_EXPAND_PAGE); + } + + if (SfxItemState::DEFAULT == rSet.GetItemState(SID_SUMMARY_PAGE)) + { + bool bDisable = true; + if (eEditMode == EditMode::Page) + { + // At least one of the selected pages has to contain a title + // presentation objects in order to enable the summary page menu + // entry. + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + while (aSelectedPages.HasMoreElements()) + { + SdPage* pPage = aSelectedPages.GetNextElement()->GetPage(); + SdrObject* pObj = pPage->GetPresObj(PresObjKind::Title); + + if (pObj!=nullptr && !pObj->IsEmptyPresObj()) + bDisable = false; + } + } + if (bDisable) + rSet.DisableItem (SID_SUMMARY_PAGE); + } + + // starting of presentation possible? + if( SfxItemState::DEFAULT == rSet.GetItemState( SID_PRESENTATION ) || + SfxItemState::DEFAULT == rSet.GetItemState( SID_REHEARSE_TIMINGS ) ) + { + bool bDisable = true; + model::PageEnumeration aAllPages ( + model::PageEnumerationProvider::CreateAllPagesEnumeration(mrSlideSorter.GetModel())); + while (aAllPages.HasMoreElements()) + { + SdPage* pPage = aAllPages.GetNextElement()->GetPage(); + + if( !pPage->IsExcluded() ) + bDisable = false; + } + if( bDisable || pDocShell->IsPreview()) + { + rSet.DisableItem( SID_PRESENTATION ); + rSet.DisableItem( SID_REHEARSE_TIMINGS ); + } + } + + // Disable the rename slots when there are no or more than one slides/master + // pages selected; disable the duplicate slot when there are no slides + // selected: + if (rSet.GetItemState(SID_RENAMEPAGE) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_RENAME_MASTER_PAGE) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_DUPLICATE_PAGE) == SfxItemState::DEFAULT) + { + int n = mrSlideSorter.GetController().GetPageSelector() + .GetSelectedPageCount(); + if (n != 1) + { + rSet.DisableItem(SID_RENAMEPAGE); + rSet.DisableItem(SID_RENAME_MASTER_PAGE); + } + if (n == 0) + { + rSet.DisableItem(SID_DUPLICATE_PAGE); + } + } + + if (rSet.GetItemState(SID_HIDE_SLIDE) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_SHOW_SLIDE) == SfxItemState::DEFAULT) + { + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + const SlideExclusionState eState (GetSlideExclusionState(aSelectedPages)); + switch (eState) + { + case MIXED: + // Show both entries. + break; + + case EXCLUDED: + rSet.DisableItem(SID_HIDE_SLIDE); + break; + + case INCLUDED: + rSet.DisableItem(SID_SHOW_SLIDE); + break; + + case UNDEFINED: + rSet.DisableItem(SID_HIDE_SLIDE); + rSet.DisableItem(SID_SHOW_SLIDE); + break; + } + } + + if (eEditMode == EditMode::MasterPage) + { + // Disable some slots when in master page mode. + rSet.DisableItem(SID_ASSIGN_LAYOUT); + rSet.DisableItem(SID_INSERTPAGE); + + if (rSet.GetItemState(SID_DUPLICATE_PAGE) == SfxItemState::DEFAULT) + rSet.DisableItem(SID_DUPLICATE_PAGE); + } +} + +void SlotManager::GetClipboardState ( SfxItemSet& rSet) +{ + SdTransferable* pTransferClip = SD_MOD()->pTransferClip; + + if (rSet.GetItemState(SID_PASTE) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_PASTE_SPECIAL) == SfxItemState::DEFAULT) + { + // no own clipboard data? + if ( !pTransferClip || !pTransferClip->GetDocShell().is() ) + { + rSet.DisableItem(SID_PASTE); + rSet.DisableItem(SID_PASTE_SPECIAL); + } + else + { + SfxObjectShell* pTransferDocShell = pTransferClip->GetDocShell().get(); + + if( !pTransferDocShell || static_cast<DrawDocShell*>(pTransferDocShell)->GetDoc()->GetPageCount() <= 1 ) + { + bool bIsPastingSupported (false); + + // No or just one page. Check if there is anything that can be + // pasted via a DrawViewShell. + ViewShellBase* pBase = mrSlideSorter.GetViewShellBase(); + if (pBase != nullptr) + { + std::shared_ptr<DrawViewShell> pDrawViewShell ( + std::dynamic_pointer_cast<DrawViewShell>(pBase->GetMainViewShell())); + if (pDrawViewShell != nullptr) + { + TransferableDataHelper aDataHelper ( + TransferableDataHelper::CreateFromSystemClipboard( + pDrawViewShell->GetActiveWindow())); + if (aDataHelper.GetFormatCount() > 0) + bIsPastingSupported = true; + } + } + + if ( ! bIsPastingSupported) + { + rSet.DisableItem(SID_PASTE); + rSet.DisableItem(SID_PASTE_SPECIAL); + } + } + } + } + + // Cut, copy and paste of master pages is not yet implemented properly + if (rSet.GetItemState(SID_COPY) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_PASTE) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_PASTE_SPECIAL) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_CUT) == SfxItemState::DEFAULT) + { + if (mrSlideSorter.GetModel().GetEditMode() == EditMode::MasterPage) + { + if (rSet.GetItemState(SID_CUT) == SfxItemState::DEFAULT) + rSet.DisableItem(SID_CUT); + if (rSet.GetItemState(SID_COPY) == SfxItemState::DEFAULT) + rSet.DisableItem(SID_COPY); + if (rSet.GetItemState(SID_PASTE) == SfxItemState::DEFAULT) + rSet.DisableItem(SID_PASTE); + if (rSet.GetItemState(SID_PASTE_SPECIAL) == SfxItemState::DEFAULT) + rSet.DisableItem(SID_PASTE_SPECIAL); + } + } + + ViewShellBase* pBase = mrSlideSorter.GetViewShellBase(); + if (pBase && pBase->GetObjectShell()->isContentExtractionLocked()) + { + rSet.DisableItem(SID_COPY); + rSet.DisableItem(SID_CUT); + } + + // Cut, copy, and delete page are disabled when there is no selection. + if (!(rSet.GetItemState(SID_CUT) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_COPY) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_DELETE) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_DELETE_PAGE) == SfxItemState::DEFAULT + || rSet.GetItemState(SID_DELETE_MASTER_PAGE) == SfxItemState::DEFAULT)) + return; + + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + + // For copy to work we have to have at least one selected page. + if ( ! aSelectedPages.HasMoreElements()) + rSet.DisableItem(SID_COPY); + + bool bDisable = false; + // The operations that lead to the deletion of a page are valid if + // a) there is at least one selected page + // b) deleting the selected pages leaves at least one page in the + // document + // c) selected master pages must not be used by slides. + + // Test a). + if ( ! aSelectedPages.HasMoreElements()) + bDisable = true; + // Test b): Count the number of selected pages. It has to be less + // than the number of all pages. + else if (mrSlideSorter.GetController().GetPageSelector().GetSelectedPageCount() + >= mrSlideSorter.GetController().GetPageSelector().GetPageCount()) + bDisable = true; + // Test c): Iterate over the selected pages and look for a master + // page that is used by at least one page. + else while (aSelectedPages.HasMoreElements()) + { + SdPage* pPage = aSelectedPages.GetNextElement()->GetPage(); + int nUseCount (mrSlideSorter.GetModel().GetDocument() + ->GetMasterPageUserCount(pPage)); + if (nUseCount > 0) + { + bDisable = true; + break; + } + } + + if (bDisable) + { + rSet.DisableItem(SID_CUT); + rSet.DisableItem(SID_DELETE_PAGE); + rSet.DisableItem(SID_DELETE_MASTER_PAGE); + } +} + +void SlotManager::GetStatusBarState (SfxItemSet& rSet) +{ + // page view and layout + SdPage* pPage = nullptr; + sal_uInt16 nSelectedPages = mrSlideSorter.GetController().GetPageSelector().GetSelectedPageCount(); + + //Set number of slides + if (nSelectedPages > 0) + { + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement()); + OUString aPageStr; + if (pDescriptor) + { + pPage = pDescriptor->GetPage(); + sal_uInt16 nFirstPage = (pPage->GetPageNum()/2) + 1; + sal_Int32 nPageCount = mrSlideSorter.GetModel().GetPageCount(); + sal_Int32 nActivePageCount = static_cast<sal_Int32>(mrSlideSorter.GetModel().GetDocument()->GetActiveSdPageCount()); + + aPageStr = (nPageCount == nActivePageCount) ? SdResId(STR_SD_PAGE_COUNT) : SdResId(STR_SD_PAGE_COUNT_CUSTOM); + + aPageStr = aPageStr.replaceFirst("%1", OUString::number(nFirstPage)); + aPageStr = aPageStr.replaceFirst("%2", OUString::number(nPageCount)); + if(nPageCount != nActivePageCount) + aPageStr = aPageStr.replaceFirst("%3", OUString::number(nActivePageCount)); + } + rSet.Put( SfxStringItem( SID_STATUS_PAGE, aPageStr ) ); + } + //Set layout + if (nSelectedPages == 1 && pPage != nullptr) + { + SdPage* pFirstPage = pPage; + OUString aLayoutStr = pFirstPage->GetLayoutName(); + sal_Int32 nIndex = aLayoutStr.indexOf( SD_LT_SEPARATOR ); + if( nIndex != -1 ) + aLayoutStr = aLayoutStr.copy(0, nIndex); + rSet.Put( SfxStringItem( SID_STATUS_LAYOUT, aLayoutStr ) ); + } + //Scale value + const Fraction& aUIScale = mrSlideSorter.GetModel().GetDocument()->GetUIScale(); + OUString aString = OUString::number(aUIScale.GetNumerator()) + + ":" + OUString::number(aUIScale.GetDenominator()); + rSet.Put( SfxStringItem( SID_SCALE, aString ) ); +} + +void SlotManager::RenameSlide(const SfxRequest& rRequest) +{ + View* pDrView = &mrSlideSorter.GetView(); + + if ( pDrView->IsTextEdit() ) + { + pDrView->SdrEndTextEdit(); + } + + SdPage* pSelectedPage = nullptr; + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + if (aSelectedPages.HasMoreElements()) + pSelectedPage = aSelectedPages.GetNextElement()->GetPage(); + if (pSelectedPage == nullptr) + return; + + // tdf#107183 Set different dialog titles when renaming + // master slides or normal ones + OUString aTitle; + if( rRequest.GetSlot() == SID_RENAME_MASTER_PAGE ) + aTitle = SdResId( STR_TITLE_RENAMEMASTER ); + else if (pDrView->GetDoc().GetDocumentType() == DocumentType::Draw) + aTitle = SdResId( STR_TITLE_RENAMEPAGE ); + else + aTitle = SdResId( STR_TITLE_RENAMESLIDE ); + + OUString aDescr( SdResId( STR_DESC_RENAMESLIDE ) ); + OUString aPageName = pSelectedPage->GetName(); + + if(rRequest.GetArgs()) + { + OUString aName = rRequest.GetArgs()->GetItem<const SfxStringItem>(SID_RENAMEPAGE)->GetValue(); + + bool bResult = RenameSlideFromDrawViewShell(pSelectedPage->GetPageNum()/2, aName ); + DBG_ASSERT( bResult, "Couldn't rename slide or page" ); + } + else + { + SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create(); + vcl::Window* pWin = mrSlideSorter.GetContentWindow(); + ScopedVclPtr<AbstractSvxNameDialog> aNameDlg(pFact->CreateSvxNameDialog( + pWin ? pWin->GetFrameWeld() : nullptr, + aPageName, aDescr)); + OUString aOldName; + aNameDlg->GetName( aOldName ); + aNameDlg->SetText( aTitle ); + aNameDlg->SetCheckNameHdl( LINK( this, SlotManager, RenameSlideHdl ), true ); + aNameDlg->SetCheckNameTooltipHdl( LINK( this, SlotManager, RenameSlideTooltipHdl ) ); + aNameDlg->SetEditHelpId( HID_SD_NAMEDIALOG_PAGE ); + + if( aNameDlg->Execute() == RET_OK ) + { + OUString aNewName; + aNameDlg->GetName( aNewName ); + if (aNewName != aPageName) + { + bool bResult = + RenameSlideFromDrawViewShell( + pSelectedPage->GetPageNum()/2, aNewName ); + DBG_ASSERT( bResult, "Couldn't rename slide or page" ); + } + } + OUString aNewName; + aNameDlg->GetName( aNewName ); + collectUIInformation({{"OldName", aOldName}, {"NewName", aNewName}}, "RENAME"); + aNameDlg.disposeAndClear(); + } + // Tell the slide sorter about the name change (necessary for + // accessibility.) + mrSlideSorter.GetController().PageNameHasChanged( + (pSelectedPage->GetPageNum()-1)/2, aPageName); +} + +IMPL_LINK(SlotManager, RenameSlideHdl, AbstractSvxNameDialog&, rDialog, bool) +{ + OUString aNewName; + rDialog.GetName( aNewName ); + + model::SharedPageDescriptor pDescriptor ( + mrSlideSorter.GetController().GetCurrentSlideManager()->GetCurrentSlide()); + SdPage* pCurrentPage = nullptr; + if (pDescriptor) + pCurrentPage = pDescriptor->GetPage(); + + return (pCurrentPage!=nullptr && aNewName == pCurrentPage->GetName()) + || (mrSlideSorter.GetViewShell() + && mrSlideSorter.GetViewShell()->GetDocSh()->IsNewPageNameValid( aNewName ) ); +} + +IMPL_STATIC_LINK_NOARG(SlotManager, RenameSlideTooltipHdl, AbstractSvxNameDialog&, OUString) +{ + return SdResId(STR_TOOLTIP_RENAME); +} + +bool SlotManager::RenameSlideFromDrawViewShell( sal_uInt16 nPageId, const OUString & rName ) +{ + bool bOutDummy; + SdDrawDocument* pDocument = mrSlideSorter.GetModel().GetDocument(); + if( pDocument->GetPageByName( rName, bOutDummy ) != SDRPAGE_NOTFOUND ) + return false; + + SdPage* pPageToRename = nullptr; + + SfxUndoManager* pManager = pDocument->GetDocSh()->GetUndoManager(); + + if( mrSlideSorter.GetModel().GetEditMode() == EditMode::Page ) + { + model::SharedPageDescriptor pDescriptor ( + mrSlideSorter.GetController().GetCurrentSlideManager()->GetCurrentSlide()); + if (pDescriptor) + pPageToRename = pDescriptor->GetPage(); + + if (pPageToRename != nullptr) + { + // Undo + SdPage* pUndoPage = pPageToRename; + SdrLayerAdmin & rLayerAdmin = pDocument->GetLayerAdmin(); + SdrLayerID nBackground = rLayerAdmin.GetLayerID(sUNO_LayerName_background); + SdrLayerID nBgObj = rLayerAdmin.GetLayerID(sUNO_LayerName_background_objects); + SdrLayerIDSet aVisibleLayers = pPageToRename->TRG_GetMasterPageVisibleLayers(); + + // (#67720#) + pManager->AddUndoAction( + std::make_unique<ModifyPageUndoAction>( + pDocument, pUndoPage, rName, pUndoPage->GetAutoLayout(), + aVisibleLayers.IsSet( nBackground ), + aVisibleLayers.IsSet( nBgObj ))); + + // rename + pPageToRename->SetName( rName ); + + // also rename notes-page + SdPage* pNotesPage = pDocument->GetSdPage( nPageId, PageKind::Notes ); + if (pNotesPage != nullptr) + pNotesPage->SetName (rName); + } + } + else + { + // rename MasterPage -> rename LayoutTemplate + pPageToRename = pDocument->GetMasterSdPage( nPageId, PageKind::Standard ); + if (pPageToRename != nullptr) + { + const OUString aOldLayoutName( pPageToRename->GetLayoutName() ); + pManager->AddUndoAction( std::make_unique<RenameLayoutTemplateUndoAction>( pDocument, aOldLayoutName, rName ) ); + pDocument->RenameLayoutTemplate( aOldLayoutName, rName ); + } + } + + bool bSuccess = pPageToRename!=nullptr && ( rName == pPageToRename->GetName() ); + + if( bSuccess ) + { + // user edited page names may be changed by the page so update control + // aTabControl.SetPageText( nPageId, rName ); + + // set document to modified state + pDocument->SetChanged(); + + // inform navigator about change + if (mrSlideSorter.GetViewShell() && mrSlideSorter.GetViewShell()->GetViewFrame()) + mrSlideSorter.GetViewShell()->GetViewFrame()->GetBindings().Invalidate( + SID_NAVIGATOR_STATE, true); + } + + return bSuccess; +} + +/** Insert a slide. The insertion position depends on a) the selection and + b) the mouse position when there is no selection. + + When there is a selection then insertion takes place after the last + slide of the selection. For this to work all but the last selected + slide are deselected first. + + Otherwise, when there is no selection but the insertion marker is visible + the slide is inserted at that position. The slide before that marker is + selected first. + + When both the selection and the insertion marker are not visible--can + that happen?--the new slide is inserted after the last slide. +*/ +void SlotManager::InsertSlide (SfxRequest& rRequest) +{ + const sal_Int32 nInsertionIndex (GetInsertionPosition()); + + PageSelector::BroadcastLock aBroadcastLock (mrSlideSorter); + + SdPage* pNewPage = nullptr; + if (mrSlideSorter.GetModel().GetEditMode() == EditMode::Page) + { + SlideSorterViewShell* pShell = dynamic_cast<SlideSorterViewShell*>( + mrSlideSorter.GetViewShell()); + if (pShell != nullptr) + { + pNewPage = pShell->CreateOrDuplicatePage ( + rRequest, + PageKind::Standard, + nInsertionIndex>=0 + ? mrSlideSorter.GetModel().GetPageDescriptor(nInsertionIndex)->GetPage() + : nullptr); + } + } + else + { + // Use the API to create a new page. + SdDrawDocument* pDocument = mrSlideSorter.GetModel().GetDocument(); + Reference<drawing::XMasterPagesSupplier> xMasterPagesSupplier ( + pDocument->getUnoModel(), UNO_QUERY); + if (xMasterPagesSupplier.is()) + { + Reference<drawing::XDrawPages> xMasterPages ( + xMasterPagesSupplier->getMasterPages()); + if (xMasterPages.is()) + { + xMasterPages->insertNewByIndex (nInsertionIndex+1); + + // Create shapes for the default layout. + pNewPage = pDocument->GetMasterSdPage( + static_cast<sal_uInt16>(nInsertionIndex+1), PageKind::Standard); + pNewPage->CreateTitleAndLayout (true,true); + } + } + } + if (pNewPage == nullptr) + return; + + // When a new page has been inserted then select it, make it the + // current page, and focus it. + view::SlideSorterView::DrawLock aDrawLock (mrSlideSorter); + PageSelector::UpdateLock aUpdateLock (mrSlideSorter); + mrSlideSorter.GetController().GetPageSelector().DeselectAllPages(); + mrSlideSorter.GetController().GetPageSelector().SelectPage(pNewPage); + collectUIInformation({{"POS", OUString::number(nInsertionIndex + 2)}}, "Insert_New_Page_or_Slide"); +} + +void SlotManager::DuplicateSelectedSlides (SfxRequest& rRequest) +{ + // Create a list of the pages that are to be duplicated. The process of + // duplication alters the selection. + sal_Int32 nInsertPosition (0); + ::std::vector<SdPage*> aPagesToDuplicate; + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration(mrSlideSorter.GetModel())); + while (aSelectedPages.HasMoreElements()) + { + model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement()); + if (pDescriptor && pDescriptor->GetPage()) + { + aPagesToDuplicate.push_back(pDescriptor->GetPage()); + nInsertPosition = pDescriptor->GetPage()->GetPageNum()+2; + } + } + + // Duplicate the pages in aPagesToDuplicate and collect the newly + // created pages in aPagesToSelect. + const bool bUndo (aPagesToDuplicate.size()>1 && mrSlideSorter.GetView().IsUndoEnabled()); + if (bUndo) + mrSlideSorter.GetView().BegUndo(SdResId(STR_INSERTPAGE)); + + ::std::vector<SdPage*> aPagesToSelect; + for(const auto& rpPage : aPagesToDuplicate) + { + aPagesToSelect.push_back( + mrSlideSorter.GetViewShell()->CreateOrDuplicatePage( + rRequest, PageKind::Standard, rpPage, nInsertPosition)); + nInsertPosition += 2; + } + aPagesToDuplicate.clear(); + + if (bUndo) + mrSlideSorter.GetView().EndUndo(); + + // Set the selection to the pages in aPagesToSelect. + PageSelector& rSelector (mrSlideSorter.GetController().GetPageSelector()); + rSelector.DeselectAllPages(); + for (auto const& it: aPagesToSelect) + { + rSelector.SelectPage(it); + } + + collectUIInformation({{"POS", OUString::number(nInsertPosition + 2)}}, "Duplicate"); +} + +void SlotManager::ChangeSlideExclusionState ( + const model::SharedPageDescriptor& rpDescriptor, + const bool bExcludeSlide) +{ + if (rpDescriptor) + { + mrSlideSorter.GetView().SetState( + rpDescriptor, + model::PageDescriptor::ST_Excluded, + bExcludeSlide); + } + else + { + model::PageEnumeration aSelectedPages ( + model::PageEnumerationProvider::CreateSelectedPagesEnumeration( + mrSlideSorter.GetModel())); + while (aSelectedPages.HasMoreElements()) + { + model::SharedPageDescriptor pDescriptor (aSelectedPages.GetNextElement()); + mrSlideSorter.GetView().SetState( + pDescriptor, + model::PageDescriptor::ST_Excluded, + bExcludeSlide); + } + } + + SfxBindings& rBindings (mrSlideSorter.GetViewShell()->GetViewFrame()->GetBindings()); + rBindings.Invalidate(SID_PRESENTATION); + rBindings.Invalidate(SID_REHEARSE_TIMINGS); + rBindings.Invalidate(SID_HIDE_SLIDE); + rBindings.Invalidate(SID_SHOW_SLIDE); + mrSlideSorter.GetModel().GetDocument()->SetChanged(); +} + +sal_Int32 SlotManager::GetInsertionPosition() const +{ + PageSelector& rSelector (mrSlideSorter.GetController().GetPageSelector()); + + // The insertion indicator is preferred. After all the user explicitly + // used it to define the insertion position. + if (mrSlideSorter.GetController().GetInsertionIndicatorHandler()->IsActive()) + { + // Select the page before the insertion indicator. + return mrSlideSorter.GetController().GetInsertionIndicatorHandler()->GetInsertionPageIndex() + - 1; + } + + // Is there a stored insertion position? + else if (mrSlideSorter.GetController().GetSelectionManager()->GetInsertionPosition() >= 0) + { + return mrSlideSorter.GetController().GetSelectionManager()->GetInsertionPosition() - 1; + } + + // Use the index of the last selected slide. + else if (rSelector.GetSelectedPageCount() > 0) + { + for (int nIndex=rSelector.GetPageCount()-1; nIndex>=0; --nIndex) + if (rSelector.IsPageSelected(nIndex)) + return nIndex; + + // We should never get here. + OSL_ASSERT(false); + return rSelector.GetPageCount() - 1; + } + + // Select the last page when there is at least one page. + else if (rSelector.GetPageCount() > 0) + { + return rSelector.GetPageCount() - 1; + } + + // Hope for the best that CreateOrDuplicatePage() can cope with an empty + // selection. + else + { + // We should never get here because there has to be at least one page. + OSL_ASSERT(false); + return -1; + } +} + +void SlotManager::NotifyEditModeChange() +{ + SfxBindings& rBindings (mrSlideSorter.GetViewShell()->GetViewFrame()->GetBindings()); + rBindings.Invalidate(SID_PRESENTATION); + rBindings.Invalidate(SID_INSERTPAGE); + rBindings.Invalidate(SID_DUPLICATE_PAGE); +} + +namespace { + +SlideExclusionState GetSlideExclusionState (model::PageEnumeration& rPageSet) +{ + SlideExclusionState eState (UNDEFINED); + + // Get toggle state of the selected pages. + while (rPageSet.HasMoreElements() && eState!=MIXED) + { + const bool bState = rPageSet.GetNextElement()->GetPage()->IsExcluded(); + switch (eState) + { + case UNDEFINED: + // Use the first selected page to set the initial value. + eState = bState ? EXCLUDED : INCLUDED; + break; + + case EXCLUDED: + // The pages before where all not part of the show, + // this one is. + if ( ! bState) + eState = MIXED; + break; + + case INCLUDED: + // The pages before where all part of the show, + // this one is not. + if (bState) + eState = MIXED; + break; + + default: + // No need to change anything. + break; + } + } + + return eState; +} + +} // end of anonymous namespace + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsTransferableData.cxx b/sd/source/ui/slidesorter/controller/SlsTransferableData.cxx new file mode 100644 index 000000000..f4b89a5ab --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsTransferableData.cxx @@ -0,0 +1,86 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <controller/SlsTransferableData.hxx> + +#include <SlideSorterViewShell.hxx> + +namespace sd::slidesorter::controller { + +rtl::Reference<SdTransferable> TransferableData::CreateTransferable ( + SdDrawDocument* pSrcDoc, + SlideSorterViewShell* pViewShell, + ::std::vector<Representative>&& rRepresentatives) +{ + rtl::Reference<SdTransferable> pTransferable = new SdTransferable (pSrcDoc, nullptr, false/*bInitOnGetData*/); + auto pData = std::make_shared<TransferableData>(pViewShell, std::move(rRepresentatives)); + pTransferable->AddUserData(pData); + return pTransferable; +} + +std::shared_ptr<TransferableData> TransferableData::GetFromTransferable (const SdTransferable* pTransferable) +{ + if (pTransferable) + { + for (sal_Int32 nIndex=0,nCount=pTransferable->GetUserDataCount(); nIndex<nCount; ++nIndex) + { + std::shared_ptr<TransferableData> xData = + std::dynamic_pointer_cast<TransferableData>(pTransferable->GetUserData(nIndex)); + if (xData) + return xData; + } + } + return std::shared_ptr<TransferableData>(); +} + +TransferableData::TransferableData ( + SlideSorterViewShell* pViewShell, + ::std::vector<Representative>&& rRepresentatives) + : mpViewShell(pViewShell), + maRepresentatives(std::move(rRepresentatives)) +{ + if (mpViewShell != nullptr) + StartListening(*mpViewShell); +} + +TransferableData::~TransferableData() +{ + if (mpViewShell != nullptr) + EndListening(*mpViewShell); +} + +void TransferableData::Notify (SfxBroadcaster&, const SfxHint& rHint) +{ + if (mpViewShell) + { + if (rHint.GetId() == SfxHintId::Dying) + { + // This hint may come either from the ViewShell or from the + // document (registered by SdTransferable). We do not know + // which but both are sufficient to disconnect from the + // ViewShell. + EndListening(*mpViewShell); + mpViewShell = nullptr; + } + } +} + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/sd/source/ui/slidesorter/controller/SlsVisibleAreaManager.cxx b/sd/source/ui/slidesorter/controller/SlsVisibleAreaManager.cxx new file mode 100644 index 000000000..6f85f362d --- /dev/null +++ b/sd/source/ui/slidesorter/controller/SlsVisibleAreaManager.cxx @@ -0,0 +1,234 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <controller/SlsVisibleAreaManager.hxx> +#include <controller/SlideSorterController.hxx> +#include <controller/SlsAnimationFunction.hxx> +#include <controller/SlsScrollBarManager.hxx> +#include <controller/SlsCurrentSlideManager.hxx> +#include <Window.hxx> +#include <SlideSorter.hxx> +#include <view/SlideSorterView.hxx> + +namespace sd::slidesorter::controller { + +namespace { + class VisibleAreaScroller + { + public: + VisibleAreaScroller ( + SlideSorter& rSlideSorter, + const Point& rStart, + const Point& rEnd); + void operator() (const double nValue); + private: + SlideSorter& mrSlideSorter; + Point maStart; + const Point maEnd; + const ::std::function<double (double)> maAccelerationFunction; + }; + +} // end of anonymous namespace + +VisibleAreaManager::VisibleAreaManager (SlideSorter& rSlideSorter) + : mrSlideSorter(rSlideSorter), + mbIsCurrentSlideTrackingActive(true), + mnDisableCount(0) +{ +} + +VisibleAreaManager::~VisibleAreaManager() +{ +} + +void VisibleAreaManager::ActivateCurrentSlideTracking() +{ + mbIsCurrentSlideTrackingActive = true; +} + +void VisibleAreaManager::DeactivateCurrentSlideTracking() +{ + mbIsCurrentSlideTrackingActive = false; +} + +void VisibleAreaManager::RequestVisible ( + const model::SharedPageDescriptor& rpDescriptor, + const bool bForce) +{ + if (!rpDescriptor) + return; + + if (mnDisableCount == 0) + { + maVisibleRequests.push_back( + mrSlideSorter.GetView().GetLayouter().GetPageObjectBox( + rpDescriptor->GetPageIndex(), + true)); + } + if (bForce && ! mbIsCurrentSlideTrackingActive) + ActivateCurrentSlideTracking(); + MakeVisible(); +} + +void VisibleAreaManager::RequestCurrentSlideVisible() +{ + if (mbIsCurrentSlideTrackingActive && mnDisableCount==0) + RequestVisible( + mrSlideSorter.GetController().GetCurrentSlideManager()->GetCurrentSlide()); +} + +void VisibleAreaManager::MakeVisible() +{ + if (maVisibleRequests.empty()) + return; + + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + if ( ! pWindow) + return; + const Point aCurrentTopLeft (pWindow->PixelToLogic(Point(0,0))); + + const ::std::optional<Point> aNewVisibleTopLeft (GetRequestedTopLeft()); + maVisibleRequests.clear(); + if ( ! aNewVisibleTopLeft) + return; + + maRequestedVisibleTopLeft = *aNewVisibleTopLeft; + VisibleAreaScroller aAnimation( + mrSlideSorter, + aCurrentTopLeft, + maRequestedVisibleTopLeft); + // Execute the animation at its final value. + aAnimation(1.0); +} + +::std::optional<Point> VisibleAreaManager::GetRequestedTopLeft() const +{ + sd::Window *pWindow (mrSlideSorter.GetContentWindow().get()); + if ( ! pWindow) + return ::std::optional<Point>(); + + // Get the currently visible area and the model area. + const ::tools::Rectangle aVisibleArea (pWindow->PixelToLogic( + ::tools::Rectangle( + Point(0,0), + pWindow->GetOutputSizePixel()))); + const ::tools::Rectangle aModelArea (mrSlideSorter.GetView().GetModelArea()); + + sal_Int32 nVisibleTop (aVisibleArea.Top()); + const sal_Int32 nVisibleWidth (aVisibleArea.GetWidth()); + sal_Int32 nVisibleLeft (aVisibleArea.Left()); + const sal_Int32 nVisibleHeight (aVisibleArea.GetHeight()); + + // Find the longest run of boxes whose union fits into the visible area. + for (const auto& rBox : maVisibleRequests) + { + if (nVisibleTop+nVisibleHeight <= rBox.Bottom()) + nVisibleTop = rBox.Bottom()-nVisibleHeight; + if (nVisibleTop > rBox.Top()) + nVisibleTop = rBox.Top(); + + if (nVisibleLeft+nVisibleWidth <= rBox.Right()) + nVisibleLeft = rBox.Right()-nVisibleWidth; + if (nVisibleLeft > rBox.Left()) + nVisibleLeft = rBox.Left(); + + // Make sure the visible area does not move outside the model area. + if (nVisibleTop + nVisibleHeight > aModelArea.Bottom()) + nVisibleTop = aModelArea.Bottom() - nVisibleHeight; + if (nVisibleTop < aModelArea.Top()) + nVisibleTop = aModelArea.Top(); + + if (nVisibleLeft + nVisibleWidth > aModelArea.Right()) + nVisibleLeft = aModelArea.Right() - nVisibleWidth; + if (nVisibleLeft < aModelArea.Left()) + nVisibleLeft = aModelArea.Left(); + } + + const Point aRequestedTopLeft (nVisibleLeft, nVisibleTop); + if (aRequestedTopLeft == aVisibleArea.TopLeft()) + return ::std::optional<Point>(); + else + return ::std::optional<Point>(aRequestedTopLeft); +} + +//===== VisibleAreaManager::TemporaryDisabler ================================= + +VisibleAreaManager::TemporaryDisabler::TemporaryDisabler (SlideSorter const & rSlideSorter) + : mrVisibleAreaManager(rSlideSorter.GetController().GetVisibleAreaManager()) +{ + ++mrVisibleAreaManager.mnDisableCount; +} + +VisibleAreaManager::TemporaryDisabler::~TemporaryDisabler() +{ + --mrVisibleAreaManager.mnDisableCount; +} + +//===== VerticalVisibleAreaScroller =========================================== + +namespace { + +const sal_Int32 gnMaxScrollDistance = 300; + +VisibleAreaScroller::VisibleAreaScroller ( + SlideSorter& rSlideSorter, + const Point& rStart, + const Point& rEnd) + : mrSlideSorter(rSlideSorter), + maStart(rStart), + maEnd(rEnd), + maAccelerationFunction( + controller::AnimationParametricFunction( + controller::AnimationBezierFunction (0.1,0.6))) +{ + // When the distance to scroll is larger than a threshold then first + // jump to within this distance of the final value and start the + // animation from there. + if (std::abs(rStart.X()-rEnd.X()) > gnMaxScrollDistance) + { + if (rStart.X() < rEnd.X()) + maStart.setX( rEnd.X()-gnMaxScrollDistance ); + else + maStart.setX( rEnd.X()+gnMaxScrollDistance ); + } + if (std::abs(rStart.Y()-rEnd.Y()) > gnMaxScrollDistance) + { + if (rStart.Y() < rEnd.Y()) + maStart.setY( rEnd.Y()-gnMaxScrollDistance ); + else + maStart.setY( rEnd.Y()+gnMaxScrollDistance ); + } +} + +void VisibleAreaScroller::operator() (const double nTime) +{ + const double nLocalTime (maAccelerationFunction(nTime)); + mrSlideSorter.GetController().GetScrollBarManager().SetTopLeft( + Point( + sal_Int32(0.5 + maStart.X() * (1.0 - nLocalTime) + maEnd.X() * nLocalTime), + sal_Int32 (0.5 + maStart.Y() * (1.0 - nLocalTime) + maEnd.Y() * nLocalTime))); +} + +} // end of anonymous namespace + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |