Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 546 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..3cdfb9787
--- /dev/null
+++ b/sd/source/ui/view/viewoverlaymanager.cxx
@@ -0,0 +1,546 @@
+/* -*- 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 <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;
+
+}
+
+const sal_uInt16 gButtonSlots[] = { SID_INSERT_TABLE, SID_INSERT_DIAGRAM, SID_INSERT_GRAPHIC, SID_INSERT_AVMEDIA };
+const TranslateId gButtonToolTips[] = { STR_INSERT_TABLE, STR_INSERT_CHART, STR_INSERT_PICTURE, STR_INSERT_MOVIE };
+
+constexpr rtl::OUStringConstExpr 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
+};
+
+constexpr rtl::OUStringConstExpr 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)] = { vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty };
+    static vcl::DeleteOnDeinit< BitmapEx > gLargeButtonImages[SAL_N_ELEMENTS(aBigPlaceHolders)] = { vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty, vcl::DeleteOnDeinitFlag::Empty };
+
+    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(OUString(aSmallPlaceHolders[i]));
+            gLargeButtonImages[i].set(OUString(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 = pHdlList->GetView()->GetFirstOutputDevice()->GetOwnerWindow();
+    ::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());
+        ::tools::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());
+    ::tools::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;
+
+    ::tools::Long all_width = nColumns * aButtonSize.Width();
+    ::tools::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() == SdrObjKind::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: */