diff options
Diffstat (limited to 'sdext/source/presenter/PresenterSlideSorter.cxx')
| -rw-r--r-- | sdext/source/presenter/PresenterSlideSorter.cxx | 1929 |
1 files changed, 1929 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterSlideSorter.cxx b/sdext/source/presenter/PresenterSlideSorter.cxx new file mode 100644 index 000000000..f89061ef6 --- /dev/null +++ b/sdext/source/presenter/PresenterSlideSorter.cxx @@ -0,0 +1,1929 @@ +/* -*- 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 <vcl/settings.hxx> + +#include "PresenterSlideSorter.hxx" +#include "PresenterButton.hxx" +#include "PresenterCanvasHelper.hxx" +#include "PresenterGeometryHelper.hxx" +#include "PresenterPaintManager.hxx" +#include "PresenterPaneBase.hxx" +#include "PresenterScrollBar.hxx" +#include "PresenterUIPainter.hxx" +#include "PresenterWindowManager.hxx" +#include <com/sun/star/drawing/framework/XConfigurationController.hpp> +#include <com/sun/star/drawing/framework/XControllerManager.hpp> +#include <com/sun/star/rendering/XBitmapCanvas.hpp> +#include <com/sun/star/rendering/CompositeOperation.hpp> +#include <com/sun/star/rendering/TextDirection.hpp> +#include <algorithm> +#include <math.h> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::drawing::framework; + +namespace { + const sal_Int32 gnVerticalGap (10); + const sal_Int32 gnVerticalBorder (10); + const sal_Int32 gnHorizontalGap (10); + const sal_Int32 gnHorizontalBorder (10); + + const double gnMinimalPreviewWidth (200); + const double gnPreferredPreviewWidth (300); + const double gnMaximalPreviewWidth (400); + const sal_Int32 gnPreferredColumnCount (6); + const double gnMinimalHorizontalPreviewGap(15); + const double gnPreferredHorizontalPreviewGap(25); + const double gnMaximalHorizontalPreviewGap(50); + const double gnPreferredVerticalPreviewGap(25); + + const sal_Int32 gnHorizontalLabelBorder (3); + const sal_Int32 gnHorizontalLabelPadding (5); + + const sal_Int32 gnVerticalButtonPadding (gnVerticalGap); +} + +namespace sdext::presenter { + +namespace { + sal_Int32 round (const double nValue) { return sal::static_int_cast<sal_Int32>(0.5 + nValue); } + sal_Int32 floor (const double nValue) { return sal::static_int_cast<sal_Int32>(nValue); } +} + +//===== PresenterSlideSorter::Layout ========================================== + +class PresenterSlideSorter::Layout +{ +public: + explicit Layout (const ::rtl::Reference<PresenterScrollBar>& rpVerticalScrollBar); + + void Update (const geometry::RealRectangle2D& rBoundingBox, const double nSlideAspectRatio); + void SetupVisibleArea(); + void UpdateScrollBars(); + bool IsScrollBarNeeded (const sal_Int32 nSlideCount); + geometry::RealPoint2D GetLocalPosition (const geometry::RealPoint2D& rWindowPoint) const; + geometry::RealPoint2D GetWindowPosition(const geometry::RealPoint2D& rLocalPoint) const; + sal_Int32 GetColumn (const geometry::RealPoint2D& rLocalPoint) const; + sal_Int32 GetRow (const geometry::RealPoint2D& rLocalPoint, + const bool bReturnInvalidValue = false) const; + sal_Int32 GetSlideIndexForPosition (const css::geometry::RealPoint2D& rPoint) const; + css::geometry::RealPoint2D GetPoint ( + const sal_Int32 nSlideIndex, + const sal_Int32 nRelativeHorizontalPosition, + const sal_Int32 nRelativeVerticalPosition) const; + css::awt::Rectangle GetBoundingBox (const sal_Int32 nSlideIndex) const; + void ForAllVisibleSlides (const ::std::function<void (sal_Int32)>& rAction); + sal_Int32 GetFirstVisibleSlideIndex() const; + sal_Int32 GetLastVisibleSlideIndex() const; + bool SetHorizontalOffset (const double nOffset); + bool SetVerticalOffset (const double nOffset); + + css::geometry::RealRectangle2D maBoundingBox; + css::geometry::IntegerSize2D maPreviewSize; + sal_Int32 mnHorizontalOffset; + sal_Int32 mnVerticalOffset; + sal_Int32 mnHorizontalGap; + sal_Int32 mnVerticalGap; + sal_Int32 mnHorizontalBorder; + sal_Int32 mnVerticalBorder; + sal_Int32 mnRowCount; + sal_Int32 mnColumnCount; + sal_Int32 mnSlideCount; + sal_Int32 mnFirstVisibleColumn; + sal_Int32 mnLastVisibleColumn; + sal_Int32 mnFirstVisibleRow; + sal_Int32 mnLastVisibleRow; + +private: + ::rtl::Reference<PresenterScrollBar> mpVerticalScrollBar; + + sal_Int32 GetIndex (const sal_Int32 nRow, const sal_Int32 nColumn) const; + sal_Int32 GetRow (const sal_Int32 nSlideIndex) const; + sal_Int32 GetColumn (const sal_Int32 nSlideIndex) const; +}; + +//==== PresenterSlideSorter::MouseOverManager ================================= + +class PresenterSlideSorter::MouseOverManager +{ +public: + MouseOverManager ( + const Reference<container::XIndexAccess>& rxSlides, + const std::shared_ptr<PresenterTheme>& rpTheme, + const Reference<awt::XWindow>& rxInvalidateTarget, + const std::shared_ptr<PresenterPaintManager>& rpPaintManager); + MouseOverManager(const MouseOverManager&) = delete; + MouseOverManager& operator=(const MouseOverManager&) = delete; + + void Paint ( + const sal_Int32 nSlideIndex, + const Reference<rendering::XCanvas>& rxCanvas, + const Reference<rendering::XPolyPolygon2D>& rxClip); + + void SetSlide ( + const sal_Int32 nSlideIndex, + const awt::Rectangle& rBox); + +private: + Reference<rendering::XCanvas> mxCanvas; + const Reference<container::XIndexAccess> mxSlides; + SharedBitmapDescriptor mpLeftLabelBitmap; + SharedBitmapDescriptor mpCenterLabelBitmap; + SharedBitmapDescriptor mpRightLabelBitmap; + PresenterTheme::SharedFontDescriptor mpFont; + sal_Int32 mnSlideIndex; + awt::Rectangle maSlideBoundingBox; + OUString msText; + Reference<rendering::XBitmap> mxBitmap; + Reference<awt::XWindow> mxInvalidateTarget; + std::shared_ptr<PresenterPaintManager> mpPaintManager; + + void SetCanvas ( + const Reference<rendering::XCanvas>& rxCanvas); + /** Create a bitmap that shows the given text and is not wider than the + given maximal width. + */ + Reference<rendering::XBitmap> CreateBitmap ( + const OUString& rsText, + const sal_Int32 nMaximalWidth) const; + void Invalidate(); + geometry::IntegerSize2D CalculateLabelSize ( + const OUString& rsText) const; + OUString GetFittingText (const OUString& rsText, const double nMaximalWidth) const; + void PaintButtonBackground ( + const Reference<rendering::XCanvas>& rxCanvas, + const geometry::IntegerSize2D& rSize) const; +}; + +//==== PresenterSlideSorter::CurrentSlideFrameRenderer ======================== + +class PresenterSlideSorter::CurrentSlideFrameRenderer +{ +public: + CurrentSlideFrameRenderer ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext, + const css::uno::Reference<css::rendering::XCanvas>& rxCanvas); + + void PaintCurrentSlideFrame ( + const awt::Rectangle& rSlideBoundingBox, + const Reference<rendering::XCanvas>& rxCanvas, + const geometry::RealRectangle2D& rClipBox); + + /** Enlarge the given rectangle to include the current slide indicator. + */ + awt::Rectangle GetBoundingBox ( + const awt::Rectangle& rSlideBoundingBox); + +private: + SharedBitmapDescriptor mpTopLeft; + SharedBitmapDescriptor mpTop; + SharedBitmapDescriptor mpTopRight; + SharedBitmapDescriptor mpLeft; + SharedBitmapDescriptor mpRight; + SharedBitmapDescriptor mpBottomLeft; + SharedBitmapDescriptor mpBottom; + SharedBitmapDescriptor mpBottomRight; + sal_Int32 mnTopFrameSize; + sal_Int32 mnLeftFrameSize; + sal_Int32 mnRightFrameSize; + sal_Int32 mnBottomFrameSize; + + static void PaintBitmapOnce( + const css::uno::Reference<css::rendering::XBitmap>& rxBitmap, + const css::uno::Reference<css::rendering::XCanvas>& rxCanvas, + const Reference<rendering::XPolyPolygon2D>& rxClip, + const double nX, + const double nY); + static void PaintBitmapTiled( + const css::uno::Reference<css::rendering::XBitmap>& rxBitmap, + const css::uno::Reference<css::rendering::XCanvas>& rxCanvas, + const geometry::RealRectangle2D& rClipBox, + const double nX, + const double nY, + const double nWidth, + const double nHeight); +}; + +//===== PresenterSlideSorter ================================================== + +PresenterSlideSorter::PresenterSlideSorter ( + const Reference<uno::XComponentContext>& rxContext, + const Reference<XResourceId>& rxViewId, + const Reference<frame::XController>& rxController, + const ::rtl::Reference<PresenterController>& rpPresenterController) + : PresenterSlideSorterInterfaceBase(m_aMutex), + mxComponentContext(rxContext), + mxViewId(rxViewId), + mpPresenterController(rpPresenterController), + mxSlideShowController(mpPresenterController->GetSlideShowController()), + mbIsLayoutPending(true), + mnSlideIndexMousePressed(-1), + mnCurrentSlideIndex(-1), + mnSeparatorY(0), + maSeparatorColor(0x00ffffff) +{ + if ( ! rxContext.is() + || ! rxViewId.is() + || ! rxController.is() + || ! rpPresenterController) + { + throw lang::IllegalArgumentException(); + } + + if ( ! mxSlideShowController.is()) + throw RuntimeException(); + + try + { + // Get pane and window. + Reference<XControllerManager> xCM (rxController, UNO_QUERY_THROW); + Reference<XConfigurationController> xCC ( + xCM->getConfigurationController(), UNO_SET_THROW); + Reference<lang::XMultiComponentFactory> xFactory ( + mxComponentContext->getServiceManager(), UNO_SET_THROW); + + mxPane.set(xCC->getResource(rxViewId->getAnchor()), UNO_QUERY_THROW); + mxWindow = mxPane->getWindow(); + + // Add window listener. + mxWindow->addWindowListener(this); + mxWindow->addPaintListener(this); + mxWindow->addMouseListener(this); + mxWindow->addMouseMotionListener(this); + mxWindow->setVisible(true); + + // Remember the current slide. + mnCurrentSlideIndex = mxSlideShowController->getCurrentSlideIndex(); + + // Create the scroll bar. + mpVerticalScrollBar.set( + new PresenterVerticalScrollBar( + rxContext, + mxWindow, + mpPresenterController->GetPaintManager(), + [this] (double const offset) { return this->SetVerticalOffset(offset); })); + + mpCloseButton = PresenterButton::Create( + rxContext, + mpPresenterController, + mpPresenterController->GetTheme(), + mxWindow, + mxCanvas, + "SlideSorterCloser"); + + if (mpPresenterController->GetTheme() != nullptr) + { + PresenterTheme::SharedFontDescriptor pFont ( + mpPresenterController->GetTheme()->GetFont("ButtonFont")); + if (pFont) + maSeparatorColor = pFont->mnColor; + } + + // Create the layout. + mpLayout = std::make_shared<Layout>(mpVerticalScrollBar); + + // Create the preview cache. + mxPreviewCache.set( + xFactory->createInstanceWithContext( + "com.sun.star.drawing.PresenterPreviewCache", + mxComponentContext), + UNO_QUERY_THROW); + Reference<container::XIndexAccess> xSlides (mxSlideShowController, UNO_QUERY); + mxPreviewCache->setDocumentSlides(xSlides, rxController->getModel()); + mxPreviewCache->addPreviewCreationNotifyListener(this); + if (xSlides.is()) + { + mpLayout->mnSlideCount = xSlides->getCount(); + } + + // Create the mouse over manager. + mpMouseOverManager.reset(new MouseOverManager( + Reference<container::XIndexAccess>(mxSlideShowController, UNO_QUERY), + mpPresenterController->GetTheme(), + mxWindow, + mpPresenterController->GetPaintManager())); + + // Listen for changes of the current slide. + Reference<beans::XPropertySet> xControllerProperties (rxController, UNO_QUERY_THROW); + xControllerProperties->addPropertyChangeListener( + "CurrentPage", + this); + + // Move the current slide in the center of the window. + const awt::Rectangle aCurrentSlideBBox (mpLayout->GetBoundingBox(mnCurrentSlideIndex)); + const awt::Rectangle aWindowBox (mxWindow->getPosSize()); + SetHorizontalOffset(aCurrentSlideBBox.X - aWindowBox.Width/2.0); + } + catch (RuntimeException&) + { + disposing(); + throw; + } +} + +PresenterSlideSorter::~PresenterSlideSorter() +{ +} + +void SAL_CALL PresenterSlideSorter::disposing() +{ + mxComponentContext = nullptr; + mxViewId = nullptr; + mxPane = nullptr; + + if (mpVerticalScrollBar.is()) + { + Reference<lang::XComponent> xComponent = mpVerticalScrollBar; + mpVerticalScrollBar = nullptr; + if (xComponent.is()) + xComponent->dispose(); + } + if (mpCloseButton.is()) + { + Reference<lang::XComponent> xComponent = mpCloseButton; + mpCloseButton = nullptr; + if (xComponent.is()) + xComponent->dispose(); + } + + if (mxCanvas.is()) + { + Reference<lang::XComponent> xComponent (mxCanvas, UNO_QUERY); + if (xComponent.is()) + xComponent->removeEventListener(static_cast<awt::XWindowListener*>(this)); + mxCanvas = nullptr; + } + mpPresenterController = nullptr; + mxSlideShowController = nullptr; + mpLayout.reset(); + mpMouseOverManager.reset(); + + if (mxPreviewCache.is()) + { + mxPreviewCache->removePreviewCreationNotifyListener(this); + + Reference<XComponent> xComponent (mxPreviewCache, UNO_QUERY); + mxPreviewCache = nullptr; + if (xComponent.is()) + xComponent->dispose(); + } + + if (mxWindow.is()) + { + mxWindow->removeWindowListener(this); + mxWindow->removePaintListener(this); + mxWindow->removeMouseListener(this); + mxWindow->removeMouseMotionListener(this); + } +} + +//----- lang::XEventListener -------------------------------------------------- + +void SAL_CALL PresenterSlideSorter::disposing (const lang::EventObject& rEventObject) +{ + if (rEventObject.Source == mxWindow) + { + mxWindow = nullptr; + dispose(); + } + else if (rEventObject.Source == mxPreviewCache) + { + mxPreviewCache = nullptr; + dispose(); + } + else if (rEventObject.Source == mxCanvas) + { + mxCanvas = nullptr; + mbIsLayoutPending = true; + + mpPresenterController->GetPaintManager()->Invalidate(mxWindow); + } +} + +//----- XWindowListener ------------------------------------------------------- + +void SAL_CALL PresenterSlideSorter::windowResized (const awt::WindowEvent&) +{ + ThrowIfDisposed(); + mbIsLayoutPending = true; + mpPresenterController->GetPaintManager()->Invalidate(mxWindow); +} + +void SAL_CALL PresenterSlideSorter::windowMoved (const awt::WindowEvent&) +{ + ThrowIfDisposed(); +} + +void SAL_CALL PresenterSlideSorter::windowShown (const lang::EventObject&) +{ + ThrowIfDisposed(); + mbIsLayoutPending = true; + mpPresenterController->GetPaintManager()->Invalidate(mxWindow); +} + +void SAL_CALL PresenterSlideSorter::windowHidden (const lang::EventObject&) +{ + ThrowIfDisposed(); +} + +//----- XPaintListener -------------------------------------------------------- + +void SAL_CALL PresenterSlideSorter::windowPaint (const css::awt::PaintEvent& rEvent) +{ + // Deactivated views must not be painted. + if ( ! mbIsPresenterViewActive) + return; + + Paint(rEvent.UpdateRect); + + Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxCanvas, UNO_QUERY); + if (xSpriteCanvas.is()) + xSpriteCanvas->updateScreen(false); +} + +//----- XMouseListener -------------------------------------------------------- + +void SAL_CALL PresenterSlideSorter::mousePressed (const css::awt::MouseEvent& rEvent) +{ + css::awt::MouseEvent rTemp =rEvent; + /// check whether RTL interface or not + if(AllSettings::GetLayoutRTL()){ + awt::Rectangle aBox = mxWindow->getPosSize(); + rTemp.X=aBox.Width-rEvent.X; + } + const geometry::RealPoint2D aPosition(rTemp.X, rEvent.Y); + mnSlideIndexMousePressed = mpLayout->GetSlideIndexForPosition(aPosition); +} + +void SAL_CALL PresenterSlideSorter::mouseReleased (const css::awt::MouseEvent& rEvent) +{ + css::awt::MouseEvent rTemp =rEvent; + /// check whether RTL interface or not + if(AllSettings::GetLayoutRTL()){ + awt::Rectangle aBox = mxWindow->getPosSize(); + rTemp.X=aBox.Width-rEvent.X; + } + const geometry::RealPoint2D aPosition(rTemp.X, rEvent.Y); + const sal_Int32 nSlideIndex (mpLayout->GetSlideIndexForPosition(aPosition)); + + if (nSlideIndex != mnSlideIndexMousePressed || mnSlideIndexMousePressed < 0) + return; + + switch (rEvent.ClickCount) + { + case 1: + default: + GotoSlide(nSlideIndex); + break; + + case 2: + OSL_ASSERT(mpPresenterController); + OSL_ASSERT(mpPresenterController->GetWindowManager()); + mpPresenterController->GetWindowManager()->SetSlideSorterState(false); + GotoSlide(nSlideIndex); + break; + } +} + +void SAL_CALL PresenterSlideSorter::mouseEntered (const css::awt::MouseEvent&) {} + +void SAL_CALL PresenterSlideSorter::mouseExited (const css::awt::MouseEvent&) +{ + mnSlideIndexMousePressed = -1; + if (mpMouseOverManager != nullptr) + mpMouseOverManager->SetSlide(mnSlideIndexMousePressed, awt::Rectangle(0,0,0,0)); +} + +//----- XMouseMotionListener -------------------------------------------------- + +void SAL_CALL PresenterSlideSorter::mouseMoved (const css::awt::MouseEvent& rEvent) +{ + if (mpMouseOverManager == nullptr) + return; + + css::awt::MouseEvent rTemp =rEvent; + /// check whether RTL interface or not + if(AllSettings::GetLayoutRTL()){ + awt::Rectangle aBox = mxWindow->getPosSize(); + rTemp.X=aBox.Width-rEvent.X; + } + const geometry::RealPoint2D aPosition(rTemp.X, rEvent.Y); + sal_Int32 nSlideIndex (mpLayout->GetSlideIndexForPosition(aPosition)); + + if (nSlideIndex < 0) + { + mnSlideIndexMousePressed = -1; + mpMouseOverManager->SetSlide(nSlideIndex, awt::Rectangle(0,0,0,0)); + } + else + { + mpMouseOverManager->SetSlide( + nSlideIndex, + mpLayout->GetBoundingBox(nSlideIndex)); + } +} + +void SAL_CALL PresenterSlideSorter::mouseDragged (const css::awt::MouseEvent&) {} + +//----- XResourceId ----------------------------------------------------------- + +Reference<XResourceId> SAL_CALL PresenterSlideSorter::getResourceId() +{ + ThrowIfDisposed(); + return mxViewId; +} + +sal_Bool SAL_CALL PresenterSlideSorter::isAnchorOnly() +{ + return false; +} + +//----- XPropertyChangeListener ----------------------------------------------- + +void SAL_CALL PresenterSlideSorter::propertyChange ( + const css::beans::PropertyChangeEvent&) +{} + +//----- XSlidePreviewCacheListener -------------------------------------------- + +void SAL_CALL PresenterSlideSorter::notifyPreviewCreation ( + sal_Int32 nSlideIndex) +{ + OSL_ASSERT(mpLayout != nullptr); + + awt::Rectangle aBBox (mpLayout->GetBoundingBox(nSlideIndex)); + mpPresenterController->GetPaintManager()->Invalidate(mxWindow, aBBox, true); +} + +//----- XDrawView ------------------------------------------------------------- + +void SAL_CALL PresenterSlideSorter::setCurrentPage (const Reference<drawing::XDrawPage>&) +{ + ThrowIfDisposed(); + ::osl::MutexGuard aGuard (::osl::Mutex::getGlobalMutex()); + + if (!mxSlideShowController.is()) + return; + + const sal_Int32 nNewCurrentSlideIndex (mxSlideShowController->getCurrentSlideIndex()); + if (nNewCurrentSlideIndex == mnCurrentSlideIndex) + return; + + mnCurrentSlideIndex = nNewCurrentSlideIndex; + + // Request a repaint of the previous current slide to hide its + // current slide indicator. + mpPresenterController->GetPaintManager()->Invalidate( + mxWindow, + maCurrentSlideFrameBoundingBox); + + // Request a repaint of the new current slide to show its + // current slide indicator. + maCurrentSlideFrameBoundingBox = mpCurrentSlideFrameRenderer->GetBoundingBox( + mpLayout->GetBoundingBox(mnCurrentSlideIndex)); + mpPresenterController->GetPaintManager()->Invalidate( + mxWindow, + maCurrentSlideFrameBoundingBox); +} + +Reference<drawing::XDrawPage> SAL_CALL PresenterSlideSorter::getCurrentPage() +{ + ThrowIfDisposed(); + return nullptr; +} + + +void PresenterSlideSorter::UpdateLayout() +{ + if ( ! mxWindow.is()) + return; + + mbIsLayoutPending = false; + + const awt::Rectangle aWindowBox (mxWindow->getPosSize()); + sal_Int32 nLeftBorderWidth (aWindowBox.X); + + // Get border width. + PresenterPaneContainer::SharedPaneDescriptor pPane ( + mpPresenterController->GetPaneContainer()->FindViewURL( + mxViewId->getResourceURL())); + do + { + if (!pPane) + break; + if ( ! pPane->mxPane.is()) + break; + + Reference<drawing::framework::XPaneBorderPainter> xBorderPainter ( + pPane->mxPane->GetPaneBorderPainter()); + if ( ! xBorderPainter.is()) + break; + xBorderPainter->addBorder ( + mxViewId->getAnchor()->getResourceURL(), + awt::Rectangle(0, 0, aWindowBox.Width, aWindowBox.Height), + drawing::framework::BorderType_INNER_BORDER); + } + while(false); + + // Place vertical separator. + mnSeparatorY = aWindowBox.Height - mpCloseButton->GetSize().Height - gnVerticalButtonPadding; + + PlaceCloseButton(pPane, aWindowBox, nLeftBorderWidth); + + geometry::RealRectangle2D aUpperBox( + gnHorizontalBorder, + gnVerticalBorder, + aWindowBox.Width - 2*gnHorizontalBorder, + mnSeparatorY - gnVerticalGap); + + // Determine whether the scroll bar has to be displayed. + aUpperBox = PlaceScrollBars(aUpperBox); + + mpLayout->Update(aUpperBox, GetSlideAspectRatio()); + mpLayout->SetupVisibleArea(); + mpLayout->UpdateScrollBars(); + + // Tell the preview cache about some of the values. + mxPreviewCache->setPreviewSize(mpLayout->maPreviewSize); + mxPreviewCache->setVisibleRange( + mpLayout->GetFirstVisibleSlideIndex(), + mpLayout->GetLastVisibleSlideIndex()); + + // Clear the frame polygon so that it is re-created on the next paint. + mxPreviewFrame = nullptr; +} + +geometry::RealRectangle2D PresenterSlideSorter::PlaceScrollBars ( + const geometry::RealRectangle2D& rUpperBox) +{ + mpLayout->Update(rUpperBox, GetSlideAspectRatio()); + bool bIsScrollBarNeeded (false); + Reference<container::XIndexAccess> xSlides (mxSlideShowController, UNO_QUERY_THROW); + bIsScrollBarNeeded = mpLayout->IsScrollBarNeeded(xSlides->getCount()); + if (mpVerticalScrollBar) + { + if (bIsScrollBarNeeded) + { + if(AllSettings::GetLayoutRTL()) + { + mpVerticalScrollBar->SetPosSize(geometry::RealRectangle2D( + rUpperBox.X1, + rUpperBox.Y1, + rUpperBox.X1 + mpVerticalScrollBar->GetSize(), + rUpperBox.Y2)); + mpVerticalScrollBar->SetVisible(true); + // Reduce area covered by the scroll bar from the available + // space. + return geometry::RealRectangle2D( + rUpperBox.X1 + gnHorizontalGap + mpVerticalScrollBar->GetSize(), + rUpperBox.Y1, + rUpperBox.X2, + rUpperBox.Y2); + } + else + { + // if it's not RTL place vertical scroll bar at right border. + mpVerticalScrollBar->SetPosSize(geometry::RealRectangle2D( + rUpperBox.X2 - mpVerticalScrollBar->GetSize(), + rUpperBox.Y1, + rUpperBox.X2, + rUpperBox.Y2)); + mpVerticalScrollBar->SetVisible(true); + // Reduce area covered by the scroll bar from the available + // space. + return geometry::RealRectangle2D( + rUpperBox.X1, + rUpperBox.Y1, + rUpperBox.X2 - mpVerticalScrollBar->GetSize() - gnHorizontalGap, + rUpperBox.Y2); + } + } + else + mpVerticalScrollBar->SetVisible(false); + } + return rUpperBox; +} + +void PresenterSlideSorter::PlaceCloseButton ( + const PresenterPaneContainer::SharedPaneDescriptor& rpPane, + const awt::Rectangle& rCenterBox, + const sal_Int32 nLeftBorderWidth) +{ + // Place button. When the callout is near the center then the button is + // centered over the callout. Otherwise it is centered with respect to + // the whole window. + sal_Int32 nCloseButtonCenter (rCenterBox.Width/2); + if (rpPane && rpPane->mxPane.is()) + { + const sal_Int32 nCalloutCenter (-nLeftBorderWidth); + const sal_Int32 nDistanceFromWindowCenter (abs(nCalloutCenter - rCenterBox.Width/2)); + const sal_Int32 nButtonWidth (mpCloseButton->GetSize().Width); + const static sal_Int32 nMaxDistanceForCalloutCentering (nButtonWidth * 2); + if (nDistanceFromWindowCenter < nMaxDistanceForCalloutCentering) + { + if (nCalloutCenter < nButtonWidth/2) + nCloseButtonCenter = nButtonWidth/2; + else if (nCalloutCenter > rCenterBox.Width-nButtonWidth/2) + nCloseButtonCenter = rCenterBox.Width-nButtonWidth/2; + else + nCloseButtonCenter = nCalloutCenter; + } + } + mpCloseButton->SetCenter(geometry::RealPoint2D( + nCloseButtonCenter, + rCenterBox.Height - mpCloseButton->GetSize().Height/ 2)); +} + +void PresenterSlideSorter::ClearBackground ( + const Reference<rendering::XCanvas>& rxCanvas, + const awt::Rectangle& rUpdateBox) +{ + OSL_ASSERT(rxCanvas.is()); + + const awt::Rectangle aWindowBox (mxWindow->getPosSize()); + mpPresenterController->GetCanvasHelper()->Paint( + mpPresenterController->GetViewBackground(mxViewId->getResourceURL()), + rxCanvas, + rUpdateBox, + awt::Rectangle(0,0,aWindowBox.Width,aWindowBox.Height), + awt::Rectangle()); +} + +double PresenterSlideSorter::GetSlideAspectRatio() const +{ + double nSlideAspectRatio (28.0/21.0); + + try + { + Reference<container::XIndexAccess> xSlides(mxSlideShowController, UNO_QUERY_THROW); + if (mxSlideShowController.is() && xSlides->getCount()>0) + { + Reference<beans::XPropertySet> xProperties(xSlides->getByIndex(0),UNO_QUERY_THROW); + sal_Int32 nWidth (28000); + sal_Int32 nHeight (21000); + if ((xProperties->getPropertyValue("Width") >>= nWidth) + && (xProperties->getPropertyValue("Height") >>= nHeight) + && nHeight > 0) + { + nSlideAspectRatio = double(nWidth) / double(nHeight); + } + } + } + catch (RuntimeException&) + { + OSL_ASSERT(false); + } + + return nSlideAspectRatio; +} + +Reference<rendering::XBitmap> PresenterSlideSorter::GetPreview (const sal_Int32 nSlideIndex) +{ + if (nSlideIndex < 0 || nSlideIndex>=mpLayout->mnSlideCount) + return nullptr; + else if (mxPane.is()) + return mxPreviewCache->getSlidePreview(nSlideIndex, mxPane->getCanvas()); + else + return nullptr; +} + +void PresenterSlideSorter::PaintPreview ( + const Reference<rendering::XCanvas>& rxCanvas, + const css::awt::Rectangle& rUpdateBox, + const sal_Int32 nSlideIndex) +{ + OSL_ASSERT(rxCanvas.is()); + + geometry::IntegerSize2D aSize (mpLayout->maPreviewSize); + + if (PresenterGeometryHelper::AreRectanglesDisjoint( + rUpdateBox, + mpLayout->GetBoundingBox(nSlideIndex))) + { + return; + } + + Reference<rendering::XBitmap> xPreview (GetPreview(nSlideIndex)); + bool isRTL = AllSettings::GetLayoutRTL(); + + const geometry::RealPoint2D aTopLeft ( + mpLayout->GetWindowPosition( + mpLayout->GetPoint(nSlideIndex, isRTL?1:-1, -1))); + + PresenterBitmapContainer aContainer ( + "PresenterScreenSettings/ScrollBar/Bitmaps", + std::shared_ptr<PresenterBitmapContainer>(), + mxComponentContext, + rxCanvas); + Reference<container::XIndexAccess> xIndexAccess(mxSlideShowController, UNO_QUERY); + Reference<drawing::XDrawPage> xPage( xIndexAccess->getByIndex(nSlideIndex), UNO_QUERY); + bool bTransition = PresenterController::HasTransition(xPage); + bool bCustomAnimation = PresenterController::HasCustomAnimation(xPage); + + // Create clip rectangle as intersection of the current update area and + // the bounding box of all previews. + geometry::RealRectangle2D aBoundingBox (mpLayout->maBoundingBox); + aBoundingBox.Y2 += 1; + const geometry::RealRectangle2D aClipBox ( + PresenterGeometryHelper::Intersection( + PresenterGeometryHelper::ConvertRectangle(rUpdateBox), + aBoundingBox)); + Reference<rendering::XPolyPolygon2D> xClip ( + PresenterGeometryHelper::CreatePolygon(aClipBox, rxCanvas->getDevice())); + + const rendering::ViewState aViewState (geometry::AffineMatrix2D(1,0,0, 0,1,0), xClip); + + rendering::RenderState aRenderState ( + geometry::AffineMatrix2D( + 1, 0, aTopLeft.X, + 0, 1, aTopLeft.Y), + nullptr, + Sequence<double>(4), + rendering::CompositeOperation::SOURCE); + + // Emphasize the current slide. + if (nSlideIndex == mnCurrentSlideIndex) + { + if (mpCurrentSlideFrameRenderer != nullptr) + { + const awt::Rectangle aSlideBoundingBox( + sal::static_int_cast<sal_Int32>(0.5 + aTopLeft.X), + sal::static_int_cast<sal_Int32>(0.5 + aTopLeft.Y), + aSize.Width, + aSize.Height); + maCurrentSlideFrameBoundingBox + = mpCurrentSlideFrameRenderer->GetBoundingBox(aSlideBoundingBox); + mpCurrentSlideFrameRenderer->PaintCurrentSlideFrame ( + aSlideBoundingBox, + mxCanvas, + aClipBox); + } + } + + // Paint the preview. + if (xPreview.is()) + { + aSize = xPreview->getSize(); + if (aSize.Width > 0 && aSize.Height > 0) + { + rxCanvas->drawBitmap(xPreview, aViewState, aRenderState); + if( bCustomAnimation ) + { + const awt::Rectangle aAnimationPreviewBox(aTopLeft.X+3, aTopLeft.Y+aSize.Height-40, 0, 0); + SharedBitmapDescriptor aAnimationDescriptor = aContainer.GetBitmap("Animation"); + Reference<rendering::XBitmap> xAnimationIcon (aAnimationDescriptor->GetNormalBitmap()); + rendering::RenderState aAnimationRenderState ( + geometry::AffineMatrix2D( + 1, 0, aAnimationPreviewBox.X, + 0, 1, aAnimationPreviewBox.Y), + nullptr, + Sequence<double>(4), + rendering::CompositeOperation::SOURCE); + rxCanvas->drawBitmap(xAnimationIcon, aViewState, aAnimationRenderState); + } + if( bTransition ) + { + const awt::Rectangle aTransitionPreviewBox(aTopLeft.X+3, aTopLeft.Y+aSize.Height-20, 0, 0); + SharedBitmapDescriptor aTransitionDescriptor = aContainer.GetBitmap("Transition"); + Reference<rendering::XBitmap> xTransitionIcon (aTransitionDescriptor->GetNormalBitmap()); + rendering::RenderState aTransitionRenderState ( + geometry::AffineMatrix2D( + 1, 0, aTransitionPreviewBox.X, + 0, 1, aTransitionPreviewBox.Y), + nullptr, + Sequence<double>(4), + rendering::CompositeOperation::SOURCE); + rxCanvas->drawBitmap(xTransitionIcon, aViewState, aTransitionRenderState); + } + } + } + + // Create a polygon that is used to paint a frame around previews. Its + // coordinates are chosen in the local coordinate system of a preview. + if ( ! mxPreviewFrame.is()) + mxPreviewFrame = PresenterGeometryHelper::CreatePolygon( + awt::Rectangle(-1, -1, aSize.Width+2, aSize.Height+2), + rxCanvas->getDevice()); + + // Paint a border around the preview. + if (mxPreviewFrame.is()) + { + const util::Color aFrameColor (0x00000000); + PresenterCanvasHelper::SetDeviceColor(aRenderState, aFrameColor); + rxCanvas->drawPolyPolygon(mxPreviewFrame, aViewState, aRenderState); + } + + // Paint mouse over effect. + mpMouseOverManager->Paint(nSlideIndex, mxCanvas, xClip); +} + +void PresenterSlideSorter::Paint (const awt::Rectangle& rUpdateBox) +{ + const bool bCanvasChanged ( ! mxCanvas.is()); + if ( ! ProvideCanvas()) + return; + + if (mpLayout->mnRowCount<=0 || mpLayout->mnColumnCount<=0) + { + OSL_ASSERT(mpLayout->mnRowCount>0 || mpLayout->mnColumnCount>0); + return; + } + + ClearBackground(mxCanvas, rUpdateBox); + + // Give the canvas to the controls. + if (bCanvasChanged) + { + if (mpVerticalScrollBar.is()) + mpVerticalScrollBar->SetCanvas(mxCanvas); + if (mpCloseButton.is()) + mpCloseButton->SetCanvas(mxCanvas, mxWindow); + } + + // Now that the controls have a canvas we can do the layouting. + if (mbIsLayoutPending) + UpdateLayout(); + + // Paint the horizontal separator. + rendering::RenderState aRenderState (geometry::AffineMatrix2D(1,0,0, 0,1,0), + nullptr, Sequence<double>(4), rendering::CompositeOperation::SOURCE); + PresenterCanvasHelper::SetDeviceColor(aRenderState, maSeparatorColor); + mxCanvas->drawLine( + geometry::RealPoint2D(0, mnSeparatorY), + geometry::RealPoint2D(mxWindow->getPosSize().Width, mnSeparatorY), + rendering::ViewState(geometry::AffineMatrix2D(1,0,0, 0,1,0), nullptr), + aRenderState); + + // Paint the slides. + if ( ! PresenterGeometryHelper::AreRectanglesDisjoint( + rUpdateBox, + PresenterGeometryHelper::ConvertRectangle(mpLayout->maBoundingBox))) + { + mpLayout->ForAllVisibleSlides( + [this, &rUpdateBox] (sal_Int32 const nIndex) { + return this->PaintPreview(this->mxCanvas, rUpdateBox, nIndex); + }); + } + + Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxCanvas, UNO_QUERY); + if (xSpriteCanvas.is()) + xSpriteCanvas->updateScreen(false); +} + +void PresenterSlideSorter::SetHorizontalOffset (const double nXOffset) +{ + if (mpLayout->SetHorizontalOffset(nXOffset)) + { + mxPreviewCache->setVisibleRange( + mpLayout->GetFirstVisibleSlideIndex(), + mpLayout->GetLastVisibleSlideIndex()); + + mpPresenterController->GetPaintManager()->Invalidate(mxWindow); + } +} + +void PresenterSlideSorter::SetVerticalOffset (const double nYOffset) +{ + if (mpLayout->SetVerticalOffset(nYOffset)) + { + mxPreviewCache->setVisibleRange( + mpLayout->GetFirstVisibleSlideIndex(), + mpLayout->GetLastVisibleSlideIndex()); + + mpPresenterController->GetPaintManager()->Invalidate(mxWindow); + } +} + +void PresenterSlideSorter::GotoSlide (const sal_Int32 nSlideIndex) +{ + mxSlideShowController->gotoSlideIndex(nSlideIndex); +} + +bool PresenterSlideSorter::ProvideCanvas() +{ + if ( ! mxCanvas.is()) + { + if (mxPane.is()) + mxCanvas = mxPane->getCanvas(); + + // Register as event listener so that we are informed when the + // canvas is disposed (and we have to fetch another one). + Reference<lang::XComponent> xComponent (mxCanvas, UNO_QUERY); + if (xComponent.is()) + xComponent->addEventListener(static_cast<awt::XWindowListener*>(this)); + + mpCurrentSlideFrameRenderer = + std::make_shared<CurrentSlideFrameRenderer>(mxComponentContext, mxCanvas); + } + return mxCanvas.is(); +} + +void PresenterSlideSorter::ThrowIfDisposed() +{ + if (rBHelper.bDisposed || rBHelper.bInDispose) + { + throw lang::DisposedException ( + "PresenterSlideSorter has been already disposed", + static_cast<uno::XWeak*>(this)); + } +} + +//===== PresenterSlideSorter::Layout ========================================== + +PresenterSlideSorter::Layout::Layout ( + const ::rtl::Reference<PresenterScrollBar>& rpVerticalScrollBar) + : mnHorizontalOffset(0), + mnVerticalOffset(0), + mnHorizontalGap(0), + mnVerticalGap(0), + mnHorizontalBorder(0), + mnVerticalBorder(0), + mnRowCount(1), + mnColumnCount(1), + mnSlideCount(0), + mnFirstVisibleColumn(-1), + mnLastVisibleColumn(-1), + mnFirstVisibleRow(-1), + mnLastVisibleRow(-1), + mpVerticalScrollBar(rpVerticalScrollBar) +{ +} + +void PresenterSlideSorter::Layout::Update ( + const geometry::RealRectangle2D& rBoundingBox, + const double nSlideAspectRatio) +{ + maBoundingBox = rBoundingBox; + + mnHorizontalBorder = gnHorizontalBorder; + mnVerticalBorder = gnVerticalBorder; + + const double nWidth (rBoundingBox.X2 - rBoundingBox.X1 - 2*mnHorizontalBorder); + const double nHeight (rBoundingBox.Y2 - rBoundingBox.Y1 - 2*mnVerticalBorder); + if (nWidth<=0 || nHeight<=0) + return; + + double nPreviewWidth; + + // Determine column count, preview width, and horizontal gap (borders + // are half the gap). Try to use the preferred values. Try more to + // stay in the valid intervals. This last constraint may be not + // fulfilled in some cases. + const double nElementWidth = nWidth / gnPreferredColumnCount; + if (nElementWidth < gnMinimalPreviewWidth + gnMinimalHorizontalPreviewGap) + { + // The preferred column count is too large. + // Can we use the preferred preview width? + if (nWidth - gnMinimalHorizontalPreviewGap >= gnPreferredPreviewWidth) + { + // Yes. + nPreviewWidth = gnPreferredPreviewWidth; + mnColumnCount = floor((nWidth+gnPreferredHorizontalPreviewGap) + / (nPreviewWidth+gnPreferredHorizontalPreviewGap)); + mnHorizontalGap = round((nWidth - mnColumnCount*nPreviewWidth) / mnColumnCount); + } + else + { + // No. Set the column count to 1 and adapt preview width and + // gap. + mnColumnCount = 1; + mnHorizontalGap = floor(gnMinimalHorizontalPreviewGap); + if (nWidth - gnMinimalHorizontalPreviewGap >= gnPreferredPreviewWidth) + nPreviewWidth = nWidth - gnMinimalHorizontalPreviewGap; + else + nPreviewWidth = ::std::max(gnMinimalPreviewWidth, nWidth-mnHorizontalGap); + } + } + else if (nElementWidth > gnMaximalPreviewWidth + gnMaximalHorizontalPreviewGap) + { + // The preferred column count is too small. + nPreviewWidth = gnPreferredPreviewWidth; + mnColumnCount = floor((nWidth+gnPreferredHorizontalPreviewGap) + / (nPreviewWidth+gnPreferredHorizontalPreviewGap)); + mnHorizontalGap = round((nWidth - mnColumnCount*nPreviewWidth) / mnColumnCount); + } + else + { + // The preferred column count is possible. Determine gap and + // preview width. + mnColumnCount = gnPreferredColumnCount; + if (nElementWidth - gnPreferredPreviewWidth < gnMinimalHorizontalPreviewGap) + { + // Use the minimal gap and adapt the preview width. + mnHorizontalGap = floor(gnMinimalHorizontalPreviewGap); + nPreviewWidth = (nWidth - mnColumnCount*mnHorizontalGap) / mnColumnCount; + } + else if (nElementWidth - gnPreferredPreviewWidth <= gnMaximalHorizontalPreviewGap) + { + // Use the maximal gap and adapt the preview width. + mnHorizontalGap = round(gnMaximalHorizontalPreviewGap); + nPreviewWidth = (nWidth - mnColumnCount*mnHorizontalGap) / mnColumnCount; + } + else + { + // Use the preferred preview width and adapt the gap. + nPreviewWidth = gnPreferredPreviewWidth; + mnHorizontalGap = round((nWidth - mnColumnCount*nPreviewWidth) / mnColumnCount); + } + } + + // Now determine the row count, preview height, and vertical gap. + const double nPreviewHeight = nPreviewWidth / nSlideAspectRatio; + mnRowCount = ::std::max( + sal_Int32(1), + sal_Int32(ceil((nHeight+gnPreferredVerticalPreviewGap) + / (nPreviewHeight + gnPreferredVerticalPreviewGap)))); + mnVerticalGap = round(gnPreferredVerticalPreviewGap); + + maPreviewSize = geometry::IntegerSize2D(floor(nPreviewWidth), floor(nPreviewHeight)); + + // Reset the offset. + mnVerticalOffset = 0; + mnHorizontalOffset = round(-(nWidth + - mnColumnCount*maPreviewSize.Width + - (mnColumnCount-1)*mnHorizontalGap) + / 2); +} + +void PresenterSlideSorter::Layout::SetupVisibleArea() +{ + geometry::RealPoint2D aPoint (GetLocalPosition( + geometry::RealPoint2D(maBoundingBox.X1, maBoundingBox.Y1))); + mnFirstVisibleColumn = 0; + mnFirstVisibleRow = ::std::max(sal_Int32(0), GetRow(aPoint)); + + aPoint = GetLocalPosition(geometry::RealPoint2D( maBoundingBox.X2, maBoundingBox.Y2)); + mnLastVisibleColumn = mnColumnCount - 1; + mnLastVisibleRow = GetRow(aPoint, true); +} + +bool PresenterSlideSorter::Layout::IsScrollBarNeeded (const sal_Int32 nSlideCount) +{ + geometry::RealPoint2D aBottomRight = GetPoint( + mnColumnCount * (GetRow(nSlideCount)+1) - 1, +1, +1); + return aBottomRight.X > maBoundingBox.X2-maBoundingBox.X1 + || aBottomRight.Y > maBoundingBox.Y2-maBoundingBox.Y1; +} + +geometry::RealPoint2D PresenterSlideSorter::Layout::GetLocalPosition( + const geometry::RealPoint2D& rWindowPoint) const +{ + if(AllSettings::GetLayoutRTL()) + { + return css::geometry::RealPoint2D( + -rWindowPoint.X + maBoundingBox.X2 + mnHorizontalOffset, + rWindowPoint.Y - maBoundingBox.Y1 + mnVerticalOffset); + } + else + { + return css::geometry::RealPoint2D( + rWindowPoint.X - maBoundingBox.X1 + mnHorizontalOffset, + rWindowPoint.Y - maBoundingBox.Y1 + mnVerticalOffset); + } +} + +geometry::RealPoint2D PresenterSlideSorter::Layout::GetWindowPosition( + const geometry::RealPoint2D& rLocalPoint) const +{ + if(AllSettings::GetLayoutRTL()) + { + return css::geometry::RealPoint2D( + -rLocalPoint.X + mnHorizontalOffset + maBoundingBox.X2, + rLocalPoint.Y - mnVerticalOffset + maBoundingBox.Y1); + } + else + { + return css::geometry::RealPoint2D( + rLocalPoint.X - mnHorizontalOffset + maBoundingBox.X1, + rLocalPoint.Y - mnVerticalOffset + maBoundingBox.Y1); + } +} + +sal_Int32 PresenterSlideSorter::Layout::GetColumn ( + const css::geometry::RealPoint2D& rLocalPoint) const +{ + const sal_Int32 nColumn(floor( + (rLocalPoint.X + mnHorizontalGap/2.0) / (maPreviewSize.Width+mnHorizontalGap))); + if (nColumn>=mnFirstVisibleColumn && nColumn<=mnLastVisibleColumn) + { + return nColumn; + } + else + return -1; +} + +sal_Int32 PresenterSlideSorter::Layout::GetRow ( + const css::geometry::RealPoint2D& rLocalPoint, + const bool bReturnInvalidValue) const +{ + const sal_Int32 nRow (floor( + (rLocalPoint.Y + mnVerticalGap/2.0) / (maPreviewSize.Height+mnVerticalGap))); + if (bReturnInvalidValue + || (nRow>=mnFirstVisibleRow && nRow<=mnLastVisibleRow)) + { + return nRow; + } + else + return -1; +} + +sal_Int32 PresenterSlideSorter::Layout::GetSlideIndexForPosition ( + const css::geometry::RealPoint2D& rWindowPoint) const +{ + if ( ! PresenterGeometryHelper::IsInside(maBoundingBox, rWindowPoint)) + return -1; + + const css::geometry::RealPoint2D aLocalPosition (GetLocalPosition(rWindowPoint)); + const sal_Int32 nColumn (GetColumn(aLocalPosition)); + const sal_Int32 nRow (GetRow(aLocalPosition)); + + if (nColumn < 0 || nRow < 0) + return -1; + else + { + sal_Int32 nIndex (GetIndex(nRow, nColumn)); + if (nIndex >= mnSlideCount) + return -1; + else + return nIndex; + } +} + +geometry::RealPoint2D PresenterSlideSorter::Layout::GetPoint ( + const sal_Int32 nSlideIndex, + const sal_Int32 nRelativeHorizontalPosition, + const sal_Int32 nRelativeVerticalPosition) const +{ + sal_Int32 nColumn (GetColumn(nSlideIndex)); + sal_Int32 nRow (GetRow(nSlideIndex)); + + geometry::RealPoint2D aPosition ( + mnHorizontalBorder + nColumn*(maPreviewSize.Width+mnHorizontalGap), + mnVerticalBorder + nRow*(maPreviewSize.Height+mnVerticalGap)); + + if (nRelativeHorizontalPosition >= 0) + { + if (nRelativeHorizontalPosition > 0) + aPosition.X += maPreviewSize.Width; + else + aPosition.X += maPreviewSize.Width / 2.0; + } + if (nRelativeVerticalPosition >= 0) + { + if (nRelativeVerticalPosition > 0) + aPosition.Y += maPreviewSize.Height; + else + aPosition.Y += maPreviewSize.Height / 2.0; + } + + return aPosition; +} + +awt::Rectangle PresenterSlideSorter::Layout::GetBoundingBox (const sal_Int32 nSlideIndex) const +{ + bool isRTL = AllSettings::GetLayoutRTL(); + const geometry::RealPoint2D aWindowPosition(GetWindowPosition(GetPoint(nSlideIndex, isRTL?1:-1, -1))); + return PresenterGeometryHelper::ConvertRectangle( + geometry::RealRectangle2D( + aWindowPosition.X, + aWindowPosition.Y, + aWindowPosition.X + maPreviewSize.Width, + aWindowPosition.Y + maPreviewSize.Height)); +} + +void PresenterSlideSorter::Layout::ForAllVisibleSlides( + const ::std::function<void (sal_Int32)>& rAction) +{ + for (sal_Int32 nRow=mnFirstVisibleRow; nRow<=mnLastVisibleRow; ++nRow) + { + for (sal_Int32 nColumn=mnFirstVisibleColumn; nColumn<=mnLastVisibleColumn; ++nColumn) + { + const sal_Int32 nSlideIndex (GetIndex(nRow, nColumn)); + if (nSlideIndex >= mnSlideCount) + return; + rAction(nSlideIndex); + } + } +} + +sal_Int32 PresenterSlideSorter::Layout::GetFirstVisibleSlideIndex() const +{ + return GetIndex(mnFirstVisibleRow, mnFirstVisibleColumn); +} + +sal_Int32 PresenterSlideSorter::Layout::GetLastVisibleSlideIndex() const +{ + return ::std::min( + GetIndex(mnLastVisibleRow, mnLastVisibleColumn), + mnSlideCount); +} + +bool PresenterSlideSorter::Layout::SetHorizontalOffset (const double nOffset) +{ + if (mnHorizontalOffset != nOffset) + { + mnHorizontalOffset = round(nOffset); + SetupVisibleArea(); + UpdateScrollBars(); + return true; + } + else + return false; +} + +bool PresenterSlideSorter::Layout::SetVerticalOffset (const double nOffset) +{ + if (mnVerticalOffset != nOffset) + { + mnVerticalOffset = round(nOffset); + SetupVisibleArea(); + UpdateScrollBars(); + return true; + } + else + return false; +} + +void PresenterSlideSorter::Layout::UpdateScrollBars() +{ + sal_Int32 nTotalRowCount = sal_Int32(ceil(double(mnSlideCount) / double(mnColumnCount))); + + if (mpVerticalScrollBar) + { + mpVerticalScrollBar->SetTotalSize( + nTotalRowCount * maPreviewSize.Height + + (nTotalRowCount-1) * mnVerticalGap + + 2*mnVerticalGap); + mpVerticalScrollBar->SetThumbPosition(mnVerticalOffset, false); + mpVerticalScrollBar->SetThumbSize(maBoundingBox.Y2 - maBoundingBox.Y1 + 1); + mpVerticalScrollBar->SetLineHeight(maPreviewSize.Height); + } + + // No place yet for the vertical scroll bar. +} + +sal_Int32 PresenterSlideSorter::Layout::GetIndex ( + const sal_Int32 nRow, + const sal_Int32 nColumn) const +{ + return nRow * mnColumnCount + nColumn; +} + +sal_Int32 PresenterSlideSorter::Layout::GetRow (const sal_Int32 nSlideIndex) const +{ + return nSlideIndex / mnColumnCount; +} + +sal_Int32 PresenterSlideSorter::Layout::GetColumn (const sal_Int32 nSlideIndex) const +{ + return nSlideIndex % mnColumnCount; +} + +//===== PresenterSlideSorter::MouseOverManager ================================ + +PresenterSlideSorter::MouseOverManager::MouseOverManager ( + const Reference<container::XIndexAccess>& rxSlides, + const std::shared_ptr<PresenterTheme>& rpTheme, + const Reference<awt::XWindow>& rxInvalidateTarget, + const std::shared_ptr<PresenterPaintManager>& rpPaintManager) + : mxSlides(rxSlides), + mnSlideIndex(-1), + mxInvalidateTarget(rxInvalidateTarget), + mpPaintManager(rpPaintManager) +{ + if (rpTheme != nullptr) + { + std::shared_ptr<PresenterBitmapContainer> pBitmaps (rpTheme->GetBitmapContainer()); + if (pBitmaps != nullptr) + { + mpLeftLabelBitmap = pBitmaps->GetBitmap("LabelLeft"); + mpCenterLabelBitmap = pBitmaps->GetBitmap("LabelCenter"); + mpRightLabelBitmap = pBitmaps->GetBitmap("LabelRight"); + } + + mpFont = rpTheme->GetFont("SlideSorterLabelFont"); + } +} + +void PresenterSlideSorter::MouseOverManager::Paint ( + const sal_Int32 nSlideIndex, + const Reference<rendering::XCanvas>& rxCanvas, + const Reference<rendering::XPolyPolygon2D>& rxClip) +{ + if (nSlideIndex != mnSlideIndex) + return; + + if (mxCanvas != rxCanvas) + SetCanvas(rxCanvas); + if (rxCanvas == nullptr) + return; + + if ( ! mxBitmap.is()) + mxBitmap = CreateBitmap(msText, maSlideBoundingBox.Width); + if (!mxBitmap.is()) + return; + + geometry::IntegerSize2D aSize (mxBitmap->getSize()); + const double nXOffset (maSlideBoundingBox.X + + (maSlideBoundingBox.Width - aSize.Width) / 2.0); + const double nYOffset (maSlideBoundingBox.Y + + (maSlideBoundingBox.Height - aSize.Height) / 2.0); + rxCanvas->drawBitmap( + mxBitmap, + rendering::ViewState( + geometry::AffineMatrix2D(1,0,0, 0,1,0), + rxClip), + rendering::RenderState( + geometry::AffineMatrix2D(1,0,nXOffset, 0,1,nYOffset), + nullptr, + Sequence<double>(4), + rendering::CompositeOperation::SOURCE)); +} + +void PresenterSlideSorter::MouseOverManager::SetCanvas ( + const Reference<rendering::XCanvas>& rxCanvas) +{ + mxCanvas = rxCanvas; + if (mpFont) + mpFont->PrepareFont(mxCanvas); +} + +void PresenterSlideSorter::MouseOverManager::SetSlide ( + const sal_Int32 nSlideIndex, + const awt::Rectangle& rBox) +{ + if (mnSlideIndex == nSlideIndex) + return; + + mnSlideIndex = -1; + Invalidate(); + + maSlideBoundingBox = rBox; + mnSlideIndex = nSlideIndex; + + if (nSlideIndex >= 0) + { + if (mxSlides) + { + msText.clear(); + + Reference<beans::XPropertySet> xSlideProperties(mxSlides->getByIndex(nSlideIndex), UNO_QUERY); + if (xSlideProperties.is()) + xSlideProperties->getPropertyValue("LinkDisplayName") >>= msText; + + if (msText.isEmpty()) + msText = "Slide " + OUString::number(nSlideIndex + 1); + } + } + else + { + msText.clear(); + } + mxBitmap = nullptr; + + Invalidate(); +} + +Reference<rendering::XBitmap> PresenterSlideSorter::MouseOverManager::CreateBitmap ( + const OUString& rsText, + const sal_Int32 nMaximalWidth) const +{ + if ( ! mxCanvas.is()) + return nullptr; + + if (!mpFont || !mpFont->mxFont.is()) + return nullptr; + + // Long text has to be shortened. + const OUString sText (GetFittingText(rsText, nMaximalWidth + - 2*gnHorizontalLabelBorder + - 2*gnHorizontalLabelPadding)); + + // Determine the size of the label. Its height is defined by the + // bitmaps that are used to paints its background. The width is defined + // by the text. + geometry::IntegerSize2D aLabelSize (CalculateLabelSize(sText)); + + // Create a new bitmap that will contain the complete label. + Reference<rendering::XBitmap> xBitmap ( + mxCanvas->getDevice()->createCompatibleAlphaBitmap(aLabelSize)); + + if ( ! xBitmap.is()) + return nullptr; + + Reference<rendering::XBitmapCanvas> xBitmapCanvas (xBitmap, UNO_QUERY); + if ( ! xBitmapCanvas.is()) + return nullptr; + + // Paint the background. + PaintButtonBackground(xBitmapCanvas, aLabelSize); + + // Paint the text. + if (!sText.isEmpty()) + { + + const rendering::StringContext aContext (sText, 0, sText.getLength()); + const Reference<rendering::XTextLayout> xLayout (mpFont->mxFont->createTextLayout( + aContext, rendering::TextDirection::WEAK_LEFT_TO_RIGHT,0)); + const geometry::RealRectangle2D aTextBBox (xLayout->queryTextBounds()); + + const double nXOffset = (aLabelSize.Width - aTextBBox.X2 + aTextBBox.X1) / 2; + const double nYOffset = aLabelSize.Height + - (aLabelSize.Height - aTextBBox.Y2 + aTextBBox.Y1)/2 - aTextBBox.Y2; + + const rendering::ViewState aViewState( + geometry::AffineMatrix2D(1,0,0, 0,1,0), + nullptr); + + rendering::RenderState aRenderState ( + geometry::AffineMatrix2D(1,0,nXOffset, 0,1,nYOffset), + nullptr, + Sequence<double>(4), + rendering::CompositeOperation::SOURCE); + PresenterCanvasHelper::SetDeviceColor(aRenderState, mpFont->mnColor); + + xBitmapCanvas->drawTextLayout ( + xLayout, + aViewState, + aRenderState); + } + + return xBitmap; +} + +OUString PresenterSlideSorter::MouseOverManager::GetFittingText ( + const OUString& rsText, + const double nMaximalWidth) const +{ + const double nTextWidth ( + PresenterCanvasHelper::GetTextSize(mpFont->mxFont, rsText).Width); + if (nTextWidth > nMaximalWidth) + { + // Text is too wide. Shorten it by removing characters from the end + // and replacing them by ellipses. + + // Guess a start value of the final string length. + double nBestWidth (0); + OUString sBestCandidate; + sal_Int32 nLength (round(rsText.getLength() * nMaximalWidth / nTextWidth)); + static const OUStringLiteral sEllipses (u"..."); + while (true) + { + const OUString sCandidate (rsText.subView(0,nLength) + sEllipses); + const double nWidth ( + PresenterCanvasHelper::GetTextSize(mpFont->mxFont, sCandidate).Width); + if (nWidth > nMaximalWidth) + { + // Candidate still too wide, shorten it. + nLength -= 1; + if (nLength <= 0) + break; + } + else if (nWidth < nMaximalWidth) + { + // Candidate short enough. + if (nWidth > nBestWidth) + { + // Best length so far. + sBestCandidate = sCandidate; + nBestWidth = nWidth; + nLength += 1; + if (nLength >= rsText.getLength()) + break; + } + else + break; + } + else + { + // Candidate is exactly as long as it may be. Use it + // without looking any further. + sBestCandidate = sCandidate; + break; + } + } + return sBestCandidate; + } + else + return rsText; +} + +geometry::IntegerSize2D PresenterSlideSorter::MouseOverManager::CalculateLabelSize ( + const OUString& rsText) const +{ + // Height is specified by the label bitmaps. + sal_Int32 nHeight (32); + if (mpCenterLabelBitmap) + { + Reference<rendering::XBitmap> xBitmap (mpCenterLabelBitmap->GetNormalBitmap()); + if (xBitmap.is()) + nHeight = xBitmap->getSize().Height; + } + + // Width is specified by text width and maximal width. + const geometry::RealSize2D aTextSize ( + PresenterCanvasHelper::GetTextSize(mpFont->mxFont, rsText)); + + const sal_Int32 nWidth (round(aTextSize.Width + 2*gnHorizontalLabelPadding)); + + return geometry::IntegerSize2D(nWidth, nHeight); +} + +void PresenterSlideSorter::MouseOverManager::PaintButtonBackground ( + const Reference<rendering::XCanvas>& rxCanvas, + const geometry::IntegerSize2D& rSize) const +{ + // Get the bitmaps for painting the label background. + Reference<rendering::XBitmap> xLeftLabelBitmap; + if (mpLeftLabelBitmap) + xLeftLabelBitmap = mpLeftLabelBitmap->GetNormalBitmap(); + + Reference<rendering::XBitmap> xCenterLabelBitmap; + if (mpCenterLabelBitmap) + xCenterLabelBitmap = mpCenterLabelBitmap->GetNormalBitmap(); + + Reference<rendering::XBitmap> xRightLabelBitmap; + if (mpRightLabelBitmap) + xRightLabelBitmap = mpRightLabelBitmap->GetNormalBitmap(); + + PresenterUIPainter::PaintHorizontalBitmapComposite ( + rxCanvas, + awt::Rectangle(0,0, rSize.Width,rSize.Height), + awt::Rectangle(0,0, rSize.Width,rSize.Height), + xLeftLabelBitmap, + xCenterLabelBitmap, + xRightLabelBitmap); +} + +void PresenterSlideSorter::MouseOverManager::Invalidate() +{ + if (mpPaintManager != nullptr) + mpPaintManager->Invalidate(mxInvalidateTarget, maSlideBoundingBox, true); +} + +//===== PresenterSlideSorter::CurrentSlideFrameRenderer ======================= + +PresenterSlideSorter::CurrentSlideFrameRenderer::CurrentSlideFrameRenderer ( + const css::uno::Reference<css::uno::XComponentContext>& rxContext, + const css::uno::Reference<css::rendering::XCanvas>& rxCanvas) + : mnTopFrameSize(0), + mnLeftFrameSize(0), + mnRightFrameSize(0), + mnBottomFrameSize(0) +{ + PresenterConfigurationAccess aConfiguration ( + rxContext, + "/org.openoffice.Office.PresenterScreen/", + PresenterConfigurationAccess::READ_ONLY); + Reference<container::XHierarchicalNameAccess> xBitmaps ( + aConfiguration.GetConfigurationNode( + "PresenterScreenSettings/SlideSorter/CurrentSlideBorderBitmaps"), + UNO_QUERY); + if ( ! xBitmaps.is()) + return; + + PresenterBitmapContainer aContainer ( + "PresenterScreenSettings/SlideSorter/CurrentSlideBorderBitmaps", + std::shared_ptr<PresenterBitmapContainer>(), + rxContext, + rxCanvas); + + mpTopLeft = aContainer.GetBitmap("TopLeft"); + mpTop = aContainer.GetBitmap("Top"); + mpTopRight = aContainer.GetBitmap("TopRight"); + mpLeft = aContainer.GetBitmap("Left"); + mpRight = aContainer.GetBitmap("Right"); + mpBottomLeft = aContainer.GetBitmap("BottomLeft"); + mpBottom = aContainer.GetBitmap("Bottom"); + mpBottomRight = aContainer.GetBitmap("BottomRight"); + + // Determine size of frame. + if (mpTop) + mnTopFrameSize = mpTop->mnHeight; + if (mpLeft) + mnLeftFrameSize = mpLeft->mnWidth; + if (mpRight) + mnRightFrameSize = mpRight->mnWidth; + if (mpBottom) + mnBottomFrameSize = mpBottom->mnHeight; + + if (mpTopLeft) + { + mnTopFrameSize = ::std::max(mnTopFrameSize, mpTopLeft->mnHeight); + mnLeftFrameSize = ::std::max(mnLeftFrameSize, mpTopLeft->mnWidth); + } + if (mpTopRight) + { + mnTopFrameSize = ::std::max(mnTopFrameSize, mpTopRight->mnHeight); + mnRightFrameSize = ::std::max(mnRightFrameSize, mpTopRight->mnWidth); + } + if (mpBottomLeft) + { + mnLeftFrameSize = ::std::max(mnLeftFrameSize, mpBottomLeft->mnWidth); + mnBottomFrameSize = ::std::max(mnBottomFrameSize, mpBottomLeft->mnHeight); + } + if (mpBottomRight) + { + mnRightFrameSize = ::std::max(mnRightFrameSize, mpBottomRight->mnWidth); + mnBottomFrameSize = ::std::max(mnBottomFrameSize, mpBottomRight->mnHeight); + } +} + +void PresenterSlideSorter::CurrentSlideFrameRenderer::PaintCurrentSlideFrame ( + const awt::Rectangle& rSlideBoundingBox, + const Reference<rendering::XCanvas>& rxCanvas, + const geometry::RealRectangle2D& rClipBox) +{ + if ( ! rxCanvas.is()) + return; + + const Reference<rendering::XPolyPolygon2D> xClip ( + PresenterGeometryHelper::CreatePolygon(rClipBox, rxCanvas->getDevice())); + + if (mpTop) + { + PaintBitmapTiled( + mpTop->GetNormalBitmap(), + rxCanvas, + rClipBox, + rSlideBoundingBox.X, + rSlideBoundingBox.Y - mpTop->mnHeight, + rSlideBoundingBox.Width, + mpTop->mnHeight); + } + if (mpLeft) + { + PaintBitmapTiled( + mpLeft->GetNormalBitmap(), + rxCanvas, + rClipBox, + rSlideBoundingBox.X - mpLeft->mnWidth, + rSlideBoundingBox.Y, + mpLeft->mnWidth, + rSlideBoundingBox.Height); + } + if (mpRight) + { + PaintBitmapTiled( + mpRight->GetNormalBitmap(), + rxCanvas, + rClipBox, + rSlideBoundingBox.X + rSlideBoundingBox.Width, + rSlideBoundingBox.Y, + mpRight->mnWidth, + rSlideBoundingBox.Height); + } + if (mpBottom) + { + PaintBitmapTiled( + mpBottom->GetNormalBitmap(), + rxCanvas, + rClipBox, + rSlideBoundingBox.X, + rSlideBoundingBox.Y + rSlideBoundingBox.Height, + rSlideBoundingBox.Width, + mpBottom->mnHeight); + } + if (mpTopLeft) + { + PaintBitmapOnce( + mpTopLeft->GetNormalBitmap(), + rxCanvas, + xClip, + rSlideBoundingBox.X - mpTopLeft->mnWidth, + rSlideBoundingBox.Y - mpTopLeft->mnHeight); + } + if (mpTopRight) + { + PaintBitmapOnce( + mpTopRight->GetNormalBitmap(), + rxCanvas, + xClip, + rSlideBoundingBox.X + rSlideBoundingBox.Width, + rSlideBoundingBox.Y - mpTopLeft->mnHeight); + } + if (mpBottomLeft) + { + PaintBitmapOnce( + mpBottomLeft->GetNormalBitmap(), + rxCanvas, + xClip, + rSlideBoundingBox.X - mpBottomLeft->mnWidth, + rSlideBoundingBox.Y + rSlideBoundingBox.Height); + } + if (mpBottomRight) + { + PaintBitmapOnce( + mpBottomRight->GetNormalBitmap(), + rxCanvas, + xClip, + rSlideBoundingBox.X + rSlideBoundingBox.Width, + rSlideBoundingBox.Y + rSlideBoundingBox.Height); + } +} + +awt::Rectangle PresenterSlideSorter::CurrentSlideFrameRenderer::GetBoundingBox ( + const awt::Rectangle& rSlideBoundingBox) +{ + return awt::Rectangle( + rSlideBoundingBox.X - mnLeftFrameSize, + rSlideBoundingBox.Y - mnTopFrameSize, + rSlideBoundingBox.Width + mnLeftFrameSize + mnRightFrameSize, + rSlideBoundingBox.Height + mnTopFrameSize + mnBottomFrameSize); +} + +void PresenterSlideSorter::CurrentSlideFrameRenderer::PaintBitmapOnce( + const css::uno::Reference<css::rendering::XBitmap>& rxBitmap, + const css::uno::Reference<css::rendering::XCanvas>& rxCanvas, + const Reference<rendering::XPolyPolygon2D>& rxClip, + const double nX, + const double nY) +{ + OSL_ASSERT(rxCanvas.is()); + if ( ! rxBitmap.is()) + return; + + const rendering::ViewState aViewState( + geometry::AffineMatrix2D(1,0,0, 0,1,0), + rxClip); + + const rendering::RenderState aRenderState ( + geometry::AffineMatrix2D( + 1, 0, nX, + 0, 1, nY), + nullptr, + Sequence<double>(4), + rendering::CompositeOperation::SOURCE); + + rxCanvas->drawBitmap( + rxBitmap, + aViewState, + aRenderState); +} + +void PresenterSlideSorter::CurrentSlideFrameRenderer::PaintBitmapTiled( + const css::uno::Reference<css::rendering::XBitmap>& rxBitmap, + const css::uno::Reference<css::rendering::XCanvas>& rxCanvas, + const geometry::RealRectangle2D& rClipBox, + const double nX0, + const double nY0, + const double nWidth, + const double nHeight) +{ + OSL_ASSERT(rxCanvas.is()); + if ( ! rxBitmap.is()) + return; + + geometry::IntegerSize2D aSize (rxBitmap->getSize()); + + const rendering::ViewState aViewState( + geometry::AffineMatrix2D(1,0,0, 0,1,0), + PresenterGeometryHelper::CreatePolygon( + PresenterGeometryHelper::Intersection( + rClipBox, + geometry::RealRectangle2D(nX0,nY0,nX0+nWidth,nY0+nHeight)), + rxCanvas->getDevice())); + + rendering::RenderState aRenderState ( + geometry::AffineMatrix2D( + 1, 0, nX0, + 0, 1, nY0), + nullptr, + Sequence<double>(4), + rendering::CompositeOperation::SOURCE); + + const double nX1 = nX0 + nWidth; + const double nY1 = nY0 + nHeight; + for (double nY=nY0; nY<nY1; nY+=aSize.Height) + for (double nX=nX0; nX<nX1; nX+=aSize.Width) + { + aRenderState.AffineTransform.m02 = nX; + aRenderState.AffineTransform.m12 = nY; + rxCanvas->drawBitmap( + rxBitmap, + aViewState, + aRenderState); + } +} + +} // end of namespace ::sdext::presenter + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |