diff options
Diffstat (limited to 'sd/source/ui/view/viewoverlaymanager.cxx')
| -rw-r--r-- | sd/source/ui/view/viewoverlaymanager.cxx | 544 |
1 files changed, 544 insertions, 0 deletions
diff --git a/sd/source/ui/view/viewoverlaymanager.cxx b/sd/source/ui/view/viewoverlaymanager.cxx new file mode 100644 index 000000000..282f4aeb8 --- /dev/null +++ b/sd/source/ui/view/viewoverlaymanager.cxx @@ -0,0 +1,544 @@ +/* -*- 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 <sfx2/viewfrm.hxx> +#include <sfx2/bindings.hxx> +#include <sfx2/dispatch.hxx> + +#include <vcl/help.hxx> +#include <vcl/lazydelete.hxx> +#include <vcl/ptrstyle.hxx> +#include <vcl/svapp.hxx> + +#include <svx/sdrpagewindow.hxx> +#include <svx/sdrpaintwindow.hxx> +#include <svx/sdr/overlay/overlaybitmapex.hxx> +#include <svx/sdr/overlay/overlaymanager.hxx> +#include <svx/svxids.hrc> +#include <svx/svdpagv.hxx> + +#include <view/viewoverlaymanager.hxx> + + +#include <DrawDocShell.hxx> +#include <strings.hrc> +#include <bitmaps.hlst> +#include <sdresid.hxx> +#include <EventMultiplexer.hxx> +#include <View.hxx> +#include <ViewShellBase.hxx> +#include <ViewShell.hxx> +#include <sdpage.hxx> +#include <smarttag.hxx> + +using namespace ::com::sun::star::uno; + +namespace sd { + +namespace { + +class ImageButtonHdl; + +} + +static const sal_uInt16 gButtonSlots[] = { SID_INSERT_TABLE, SID_INSERT_DIAGRAM, SID_INSERT_GRAPHIC, SID_INSERT_AVMEDIA }; +static const char* gButtonToolTips[] = { STR_INSERT_TABLE, STR_INSERT_CHART, STR_INSERT_PICTURE, STR_INSERT_MOVIE }; + +static const OUStringLiteral aSmallPlaceHolders[] = +{ + BMP_PLACEHOLDER_TABLE_SMALL, + BMP_PLACEHOLDER_CHART_SMALL, + BMP_PLACEHOLDER_IMAGE_SMALL, + BMP_PLACEHOLDER_MOVIE_SMALL, + BMP_PLACEHOLDER_TABLE_SMALL_HOVER, + BMP_PLACEHOLDER_CHART_SMALL_HOVER, + BMP_PLACEHOLDER_IMAGE_SMALL_HOVER, + BMP_PLACEHOLDER_MOVIE_SMALL_HOVER +}; + +static const OUStringLiteral aBigPlaceHolders[] = +{ + BMP_PLACEHOLDER_TABLE_LARGE, + BMP_PLACEHOLDER_CHART_LARGE, + BMP_PLACEHOLDER_IMAGE_LARGE, + BMP_PLACEHOLDER_MOVIE_LARGE, + BMP_PLACEHOLDER_TABLE_LARGE_HOVER, + BMP_PLACEHOLDER_CHART_LARGE_HOVER, + BMP_PLACEHOLDER_IMAGE_LARGE_HOVER, + BMP_PLACEHOLDER_MOVIE_LARGE_HOVER +}; + +static BitmapEx* getButtonImage( int index, bool large ) +{ + static vcl::DeleteOnDeinit< BitmapEx > gSmallButtonImages[SAL_N_ELEMENTS(aSmallPlaceHolders)] = { nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr }; + static vcl::DeleteOnDeinit< BitmapEx > gLargeButtonImages[SAL_N_ELEMENTS(aBigPlaceHolders)] = { nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr }; + + assert(SAL_N_ELEMENTS(aSmallPlaceHolders) == SAL_N_ELEMENTS(aBigPlaceHolders)); + + if( !gSmallButtonImages[0].get() ) + { + for (size_t i = 0; i < SAL_N_ELEMENTS(aSmallPlaceHolders); i++ ) + { + gSmallButtonImages[i].set(std::make_unique<BitmapEx>(aSmallPlaceHolders[i])); + gLargeButtonImages[i].set(std::make_unique<BitmapEx>(aBigPlaceHolders[i])); + } + } + + if( large ) + { + return gLargeButtonImages[index].get(); + } + else + { + return gSmallButtonImages[index].get(); + } +} + +const sal_uInt32 SMART_TAG_HDL_NUM = SAL_MAX_UINT32; + +namespace { + +class ChangePlaceholderTag : public SmartTag +{ + friend class ImageButtonHdl; +public: + ChangePlaceholderTag( ::sd::View& rView, SdrObject& rPlaceholderObj ); + + /** returns true if the SmartTag handled the event. */ + virtual bool MouseButtonDown( const MouseEvent&, SmartHdl& ) override; + + /** returns true if the SmartTag consumes this event. */ + virtual bool KeyInput( const KeyEvent& rKEvt ) override; + + BitmapEx createOverlayImage( int nHighlight ); + +protected: + virtual void addCustomHandles( SdrHdlList& rHandlerList ) override; + +private: + ::tools::WeakReference<SdrObject> mxPlaceholderObj; +}; + +class ImageButtonHdl : public SmartHdl +{ +public: + ImageButtonHdl( const SmartTagReference& xTag, /* sal_uInt16 nSID, const Image& rImage, const Image& rImageMO, */ const Point& rPnt ); + virtual ~ImageButtonHdl() override; + virtual void CreateB2dIAObject() override; + virtual bool IsFocusHdl() const override; + virtual PointerStyle GetPointer() const override; + + virtual void onMouseEnter(const MouseEvent& rMEvt) override; + virtual void onHelpRequest() override; + virtual void onMouseLeave() override; + + int getHighlightId() const { return mnHighlightId; } + + void ShowTip(); + static void HideTip(); + +private: + rtl::Reference< ChangePlaceholderTag > mxChangePlaceholderTag; + + int mnHighlightId; + Size maImageSize; +}; + +} + +ImageButtonHdl::ImageButtonHdl( const SmartTagReference& xTag /*, sal_uInt16 nSID, const Image& rImage, const Image& rImageMO*/, const Point& rPnt ) +: SmartHdl( xTag, rPnt, SdrHdlKind::SmartTag ) +, mxChangePlaceholderTag( dynamic_cast< ChangePlaceholderTag* >( xTag.get() ) ) +, mnHighlightId( -1 ) +, maImageSize( 42, 42 ) +{ +} + +ImageButtonHdl::~ImageButtonHdl() +{ + HideTip(); +} + +void ImageButtonHdl::HideTip() +{ + Help::HideBalloonAndQuickHelp(); +} + +void ImageButtonHdl::ShowTip() +{ + if (!pHdlList || !pHdlList->GetView() || mnHighlightId == -1) + return; + + OutputDevice* pDev = pHdlList->GetView()->GetFirstOutputDevice(); + if( pDev == nullptr ) + pDev = Application::GetDefaultDevice(); + + OUString aHelpText(SdResId(gButtonToolTips[mnHighlightId])); + Point aHelpPos(pDev->LogicToPixel(GetPos())); + if (mnHighlightId == 1) + aHelpPos.Move(maImageSize.Width(), 0); + else if (mnHighlightId == 2) + aHelpPos.Move(0, maImageSize.Height()); + else if (mnHighlightId == 3) + aHelpPos.Move(maImageSize.Width(), maImageSize.Height()); + ::tools::Rectangle aLogicPix(aHelpPos, maImageSize); + vcl::Window* pWindow = static_cast<vcl::Window*>(pHdlList->GetView()->GetFirstOutputDevice()); + ::tools::Rectangle aScreenRect(pWindow->OutputToScreenPixel(aLogicPix.TopLeft()), + pWindow->OutputToScreenPixel(aLogicPix.BottomRight())); + Help::ShowQuickHelp(pWindow, aScreenRect, aHelpText); +} + +void ImageButtonHdl::onHelpRequest() +{ + ShowTip(); +} + +void ImageButtonHdl::onMouseEnter(const MouseEvent& rMEvt) +{ + if( !(pHdlList && pHdlList->GetView())) + return; + + int nHighlightId = 0; + OutputDevice* pDev = pHdlList->GetView()->GetFirstOutputDevice(); + if( pDev == nullptr ) + pDev = Application::GetDefaultDevice(); + + Point aMDPos( rMEvt.GetPosPixel() ); + aMDPos -= pDev->LogicToPixel( GetPos() ); + + nHighlightId += aMDPos.X() > maImageSize.Width() ? 1 : 0; + nHighlightId += aMDPos.Y() > maImageSize.Height() ? 2 : 0; + + if( mnHighlightId != nHighlightId ) + { + HideTip(); + + mnHighlightId = nHighlightId; + + ShowTip(); + + Touch(); + } +} + +void ImageButtonHdl::onMouseLeave() +{ + mnHighlightId = -1; + HideTip(); + Touch(); +} + +void ImageButtonHdl::CreateB2dIAObject() +{ + // first throw away old one + GetRidOfIAObject(); + + const Point aTagPos( GetPos() ); + basegfx::B2DPoint aPosition( aTagPos.X(), aTagPos.Y() ); + + BitmapEx aBitmapEx( mxChangePlaceholderTag->createOverlayImage( mnHighlightId ) ); // maImageMO.GetBitmapEx() : maImage.GetBitmapEx() ); + maImageSize = aBitmapEx.GetSizePixel(); + maImageSize.setWidth( maImageSize.Width() >> 1 ); + maImageSize.setHeight( maImageSize.Height() >> 1 ); + + if(!pHdlList) + return; + + SdrMarkView* pView = pHdlList->GetView(); + + if(!(pView && !pView->areMarkHandlesHidden())) + return; + + SdrPageView* pPageView = pView->GetSdrPageView(); + + if(!pPageView) + return; + + for(sal_uInt32 b = 0; b < pPageView->PageWindowCount(); b++) + { + const SdrPageWindow& rPageWindow = *pPageView->GetPageWindow(b); + + SdrPaintWindow& rPaintWindow = rPageWindow.GetPaintWindow(); + const rtl::Reference< sdr::overlay::OverlayManager >& xManager = rPageWindow.GetOverlayManager(); + if(rPaintWindow.OutputToWindow() && xManager.is() ) + { + std::unique_ptr<sdr::overlay::OverlayObject> pOverlayObject( + new sdr::overlay::OverlayBitmapEx( aPosition, aBitmapEx, 0, 0 )); + + // OVERLAYMANAGER + insertNewlyCreatedOverlayObjectForSdrHdl( + std::move(pOverlayObject), + rPageWindow.GetObjectContact(), + *xManager); + } + } +} + +bool ImageButtonHdl::IsFocusHdl() const +{ + return false; +} + +PointerStyle ImageButtonHdl::GetPointer() const +{ + return PointerStyle::Arrow; +} + +ChangePlaceholderTag::ChangePlaceholderTag( ::sd::View& rView, SdrObject& rPlaceholderObj ) +: SmartTag( rView ) +, mxPlaceholderObj( &rPlaceholderObj ) +{ +} + +/** returns true if the ChangePlaceholderTag handled the event. */ +bool ChangePlaceholderTag::MouseButtonDown( const MouseEvent& /*rMEvt*/, SmartHdl& rHdl ) +{ + int nHighlightId = static_cast< ImageButtonHdl& >(rHdl).getHighlightId(); + if( nHighlightId >= 0 ) + { + sal_uInt16 nSID = gButtonSlots[nHighlightId]; + + if( mxPlaceholderObj ) + { + // mark placeholder if it is not currently marked (or if also others are marked) + if( !mrView.IsObjMarked( mxPlaceholderObj.get() ) || (mrView.GetMarkedObjectList().GetMarkCount() != 1) ) + { + SdrPageView* pPV = mrView.GetSdrPageView(); + mrView.UnmarkAllObj(pPV ); + mrView.MarkObj(mxPlaceholderObj.get(), pPV); + } + } + + mrView.GetViewShell()->GetViewFrame()->GetDispatcher()->Execute( nSID, SfxCallMode::ASYNCHRON); + } + return false; +} + +/** returns true if the SmartTag consumes this event. */ +bool ChangePlaceholderTag::KeyInput( const KeyEvent& rKEvt ) +{ + sal_uInt16 nCode = rKEvt.GetKeyCode().GetCode(); + switch( nCode ) + { + case KEY_DOWN: + case KEY_UP: + case KEY_LEFT: + case KEY_RIGHT: + case KEY_ESCAPE: + case KEY_TAB: + case KEY_RETURN: + case KEY_SPACE: + default: + return false; + } +} + +BitmapEx ChangePlaceholderTag::createOverlayImage( int nHighlight ) +{ + BitmapEx aRet; + if( mxPlaceholderObj.is() ) + { + SdrObject* pPlaceholder = mxPlaceholderObj.get(); + SmartTagReference xThis( this ); + const ::tools::Rectangle& rSnapRect = pPlaceholder->GetSnapRect(); + + OutputDevice* pDev = mrView.GetFirstOutputDevice(); + if( pDev == nullptr ) + pDev = Application::GetDefaultDevice(); + + Size aShapeSizePix = pDev->LogicToPixel(rSnapRect.GetSize()); + long nShapeSizePix = std::min(aShapeSizePix.Width(),aShapeSizePix.Height()); + + bool bLarge = nShapeSizePix > 250; + + Size aSize( getButtonImage( 0, bLarge )->GetSizePixel() ); + + aRet.Scale(Size(aSize.Width() << 1, aSize.Height() << 1)); + + const ::tools::Rectangle aRectSrc( Point( 0, 0 ), aSize ); + + aRet = *(getButtonImage((nHighlight == 0) ? 4 : 0, bLarge)); + aRet.Expand( aSize.Width(), aSize.Height(), true ); + + aRet.CopyPixel( ::tools::Rectangle( Point( aSize.Width(), 0 ), aSize ), aRectSrc, getButtonImage((nHighlight == 1) ? 5 : 1, bLarge) ); + aRet.CopyPixel( ::tools::Rectangle( Point( 0, aSize.Height() ), aSize ), aRectSrc, getButtonImage((nHighlight == 2) ? 6 : 2, bLarge) ); + aRet.CopyPixel( ::tools::Rectangle( Point( aSize.Width(), aSize.Height() ), aSize ), aRectSrc, getButtonImage((nHighlight == 3) ? 7 : 3, bLarge) ); + } + + return aRet; +} + +void ChangePlaceholderTag::addCustomHandles( SdrHdlList& rHandlerList ) +{ + if( !mxPlaceholderObj.is() ) + return; + + SdrObject* pPlaceholder = mxPlaceholderObj.get(); + SmartTagReference xThis( this ); + const ::tools::Rectangle& rSnapRect = pPlaceholder->GetSnapRect(); + const Point aPoint; + + OutputDevice* pDev = mrView.GetFirstOutputDevice(); + if( pDev == nullptr ) + pDev = Application::GetDefaultDevice(); + + Size aShapeSizePix = pDev->LogicToPixel(rSnapRect.GetSize()); + long nShapeSizePix = std::min(aShapeSizePix.Width(),aShapeSizePix.Height()); + if( 50 > nShapeSizePix ) + return; + + bool bLarge = nShapeSizePix > 250; + + Size aButtonSize( pDev->PixelToLogic( getButtonImage(0, bLarge )->GetSizePixel()) ); + + const int nColumns = 2; + const int nRows = 2; + + long all_width = nColumns * aButtonSize.Width(); + long all_height = nRows * aButtonSize.Height(); + + Point aPos( rSnapRect.Center() ); + aPos.AdjustX( -(all_width >> 1) ); + aPos.AdjustY( -(all_height >> 1) ); + + std::unique_ptr<ImageButtonHdl> pHdl(new ImageButtonHdl( xThis, aPoint )); + pHdl->SetObjHdlNum( SMART_TAG_HDL_NUM ); + pHdl->SetPageView( mrView.GetSdrPageView() ); + + pHdl->SetPos( aPos ); + + rHandlerList.AddHdl( std::move(pHdl) ); +} + +ViewOverlayManager::ViewOverlayManager( ViewShellBase& rViewShellBase ) +: mrBase( rViewShellBase ) +, mnUpdateTagsEvent( nullptr ) +{ + Link<tools::EventMultiplexerEvent&,void> aLink( LINK(this,ViewOverlayManager,EventMultiplexerListener) ); + mrBase.GetEventMultiplexer()->AddEventListener(aLink); + + StartListening( *mrBase.GetDocShell() ); +} + +ViewOverlayManager::~ViewOverlayManager() +{ + Link<tools::EventMultiplexerEvent&,void> aLink( LINK(this,ViewOverlayManager,EventMultiplexerListener) ); + mrBase.GetEventMultiplexer()->RemoveEventListener( aLink ); + + if( mnUpdateTagsEvent ) + { + Application::RemoveUserEvent( mnUpdateTagsEvent ); + mnUpdateTagsEvent = nullptr; + } + + DisposeTags(); +} + +void ViewOverlayManager::Notify(SfxBroadcaster&, const SfxHint& rHint) +{ + if (rHint.GetId() == SfxHintId::DocChanged) + { + UpdateTags(); + } +} + +void ViewOverlayManager::onZoomChanged() +{ + if( !maTagVector.empty() ) + { + UpdateTags(); + } +} + +void ViewOverlayManager::UpdateTags() +{ + if( !mnUpdateTagsEvent ) + mnUpdateTagsEvent = Application::PostUserEvent( LINK( this, ViewOverlayManager, UpdateTagsHdl ) ); +} + +IMPL_LINK_NOARG(ViewOverlayManager, UpdateTagsHdl, void*, void) +{ + mnUpdateTagsEvent = nullptr; + bool bChanges = DisposeTags(); + bChanges |= CreateTags(); + + if( bChanges && mrBase.GetDrawView() ) + static_cast< ::sd::View* >( mrBase.GetDrawView() )->updateHandles(); +} + +bool ViewOverlayManager::CreateTags() +{ + bool bChanges = false; + + std::shared_ptr<ViewShell> aMainShell = mrBase.GetMainViewShell(); + + SdPage* pPage = aMainShell ? aMainShell->getCurrentPage() : nullptr; + + if( pPage && !pPage->IsMasterPage() && (pPage->GetPageKind() == PageKind::Standard) ) + { + const std::list< SdrObject* >& rShapes = pPage->GetPresentationShapeList().getList(); + + for( SdrObject* pShape : rShapes ) + { + if( pShape->IsEmptyPresObj() && (pShape->GetObjIdentifier() == OBJ_OUTLINETEXT) && (mrBase.GetDrawView()->GetTextEditObject() != pShape) ) + { + rtl::Reference< SmartTag > xTag( new ChangePlaceholderTag( *mrBase.GetMainViewShell()->GetView(), *pShape ) ); + maTagVector.push_back(xTag); + bChanges = true; + } + } + } + + return bChanges; +} + +bool ViewOverlayManager::DisposeTags() +{ + if( !maTagVector.empty() ) + { + ViewTagVector vec; + vec.swap( maTagVector ); + + for (auto& rxViewTag : vec) + rxViewTag->Dispose(); + return true; + } + + return false; +} + +IMPL_LINK(ViewOverlayManager,EventMultiplexerListener, + tools::EventMultiplexerEvent&, rEvent, void) +{ + switch (rEvent.meEventId) + { + case EventMultiplexerEventId::MainViewAdded: + case EventMultiplexerEventId::ViewAdded: + case EventMultiplexerEventId::BeginTextEdit: + case EventMultiplexerEventId::EndTextEdit: + case EventMultiplexerEventId::CurrentPageChanged: + UpdateTags(); + break; + default: break; + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |