#i107213# added ViewOverlayManager

1 files changed, 568 insertions, 0 deletions

diff --git a/sd/source/ui/view/viewoverlaymanager.cxx b/sd/source/ui/view/viewoverlaymanager.cxx
new file mode 100644
index 000000000000..a6684fcdfd3e
--- /dev/null
+++ b/sd/source/ui/view/viewoverlaymanager.cxx
@@ -0,0 +1,568 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: $
+ * $Revision: $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_sd.hxx"
+
+#include "sddll.hxx"
+
+#include <com/sun/star/frame/XFrame.hpp>
+#include <sfx2/imagemgr.hxx>
+#include <sfx2/viewfrm.hxx>
+#include <sfx2/bindings.hxx>
+#include <sfx2/app.hxx>
+#include <sfx2/request.hxx>
+#include <sfx2/dispatch.hxx>
+
+#include <svx/sdrpagewindow.hxx>
+#include <svx/sdrpaintwindow.hxx>
+#include <svx/sdr/overlay/overlayanimatedbitmapex.hxx>
+#include <svx/sdr/overlay/overlaybitmapex.hxx>
+#include <svx/sdr/overlay/overlaymanager.hxx>
+#include <svx/svxids.hrc>
+
+#include "view/viewoverlaymanager.hxx"
+
+#include "DrawDocShell.hxx"
+#include "DrawViewShell.hxx"
+#include "DrawController.hxx"
+#include "glob.hrc"
+#include "sdresid.hxx"
+#include "EventMultiplexer.hxx"
+#include "ViewShellManager.hxx"
+#include "helpids.h"
+#include "sdpage.hxx"
+#include "drawdoc.hxx"
+#include "smarttag.hxx"
+
+using ::rtl::OUString;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::frame;
+
+namespace sd {
+
+class ImageButtonHdl;
+
+const sal_uInt32 SMART_TAG_HDL_NUM = SAL_MAX_UINT32;
+
+class ChangePlaceholderTag : public SmartTag
+{
+    friend class ImageButtonHdl;
+public:
+    ChangePlaceholderTag( ViewOverlayManager& rManager, ::sd::View& rView, SdrObject& rPlaceholderObj );
+    virtual ~ChangePlaceholderTag();
+
+    /** returns true if the SmartTag handled the event. */
+    virtual bool MouseButtonDown( const MouseEvent&, SmartHdl& );
+
+    /** returns true if the SmartTag consumes this event. */
+    virtual bool KeyInput( const KeyEvent& rKEvt );
+
+    /** returns true if the SmartTag consumes this event. */
+    virtual bool RequestHelp( const HelpEvent& rHEvt );
+
+    /** returns true if the SmartTag consumes this event. */
+    virtual bool Command( const CommandEvent& rCEvt );
+
+    /** is called once if the mouse enters this tag */
+    virtual void onMouseEnter(SmartHdl& rHdl);
+
+    /** is called once if the mouse leaves this tag */
+    virtual void onMouseLeave();
+
+protected:
+    virtual void addCustomHandles( SdrHdlList& rHandlerList );
+    virtual void disposing();
+    virtual void select();
+    virtual void deselect();
+
+private:
+    ViewOverlayManager& mrManager;
+    SdrObjectWeakRef    mxPlaceholderObj;
+    ImageButtonHdl*     mpSelectedHdl;
+};
+
+class ImageButtonHdl : public SmartHdl
+{
+public:
+    ImageButtonHdl( const SmartTagReference& xTag, const Image& rImage, const Point& rPnt );
+    virtual ~ImageButtonHdl();
+    virtual void CreateB2dIAObject();
+    virtual BOOL IsFocusHdl() const;
+    virtual Pointer GetSdrDragPointer() const;
+    virtual bool isMarkable() const;
+
+    void select( bool bSelect );
+private:
+    rtl::Reference< ChangePlaceholderTag > mxTag;
+    bool mbSelected;
+    Image                           maImage;
+};
+
+// --------------------------------------------------------------------
+
+ImageButtonHdl::ImageButtonHdl( const SmartTagReference& xTag, const Image& rImage, const Point& rPnt )
+: SmartHdl( xTag, rPnt )
+, mxTag( dynamic_cast< ChangePlaceholderTag* >( xTag.get() ) )
+, mbSelected(false)
+, maImage( rImage )
+{
+}
+
+// --------------------------------------------------------------------
+
+ImageButtonHdl::~ImageButtonHdl()
+{
+    if( mxTag.is() && (mxTag->mpSelectedHdl == this) )
+        mxTag->mpSelectedHdl = 0;
+}
+
+// --------------------------------------------------------------------
+
+void ImageButtonHdl::select( bool bSelect )
+{
+    if( bSelect != mbSelected )
+    {
+        mbSelected = bSelect;
+        Touch();
+    }
+}
+
+// --------------------------------------------------------------------
+
+void ImageButtonHdl::CreateB2dIAObject()
+{
+    // first throw away old one
+    GetRidOfIAObject();
+
+    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
+
+    const Point aTagPos( GetPos() );
+    basegfx::B2DPoint aPosition( aTagPos.X(), aTagPos.Y() );
+
+    const bool bFocused = IsFocusHdl() && pHdlList && (pHdlList->GetFocusHdl() == this);
+
+    BitmapEx aBitmapEx( maImage.GetBitmapEx() );
+
+    const double fAlpha = mbSelected ? 0.0 : 0.5;
+
+    if(pHdlList)
+    {
+        SdrMarkView* pView = pHdlList->GetView();
+
+        if(pView && !pView->areMarkHandlesHidden())
+        {
+            SdrPageView* pPageView = pView->GetSdrPageView();
+
+            if(pPageView)
+            {
+                for(sal_uInt32 b = 0; b < pPageView->PageWindowCount(); b++)
+                {
+                    const SdrPageWindow& rPageWindow = *pPageView->GetPageWindow(b);
+
+                    SdrPaintWindow& rPaintWindow = rPageWindow.GetPaintWindow();
+                    if(rPaintWindow.OutputToWindow() && rPageWindow.GetOverlayManager() )
+                    {
+                        ::sdr::overlay::OverlayObject* pOverlayObject = 0;
+
+                        // animate focused handles
+                        pOverlayObject = new ::sdr::overlay::OverlayBitmapEx( aPosition, aBitmapEx, 0, 0, fAlpha );
+                        rPageWindow.GetOverlayManager()->add(*pOverlayObject);
+                        maOverlayGroup.append(*pOverlayObject);
+                    }
+                }
+            }
+        }
+    }
+}
+
+// --------------------------------------------------------------------
+
+BOOL ImageButtonHdl::IsFocusHdl() const
+{
+    return TRUE;
+}
+
+// --------------------------------------------------------------------
+
+bool ImageButtonHdl::isMarkable() const
+{
+    return false;
+}
+
+// --------------------------------------------------------------------
+
+Pointer ImageButtonHdl::GetSdrDragPointer() const
+{
+    return Pointer( POINTER_ARROW );
+}
+
+// ====================================================================
+
+ChangePlaceholderTag::ChangePlaceholderTag( ViewOverlayManager& rManager, ::sd::View& rView, SdrObject& rPlaceholderObj )
+: SmartTag( rView )
+, mrManager( rManager )
+, mxPlaceholderObj( &rPlaceholderObj )
+{
+}
+
+// --------------------------------------------------------------------
+
+ChangePlaceholderTag::~ChangePlaceholderTag()
+{
+}
+
+// --------------------------------------------------------------------
+
+/** returns true if the ChangePlaceholderTag handled the event. */
+bool ChangePlaceholderTag::MouseButtonDown( const MouseEvent& rMEvt, SmartHdl& /*rHdl*/ )
+{
+    return false;
+}
+
+// --------------------------------------------------------------------
+
+/** returns true if the SmartTag consumes this event. */
+bool ChangePlaceholderTag::KeyInput( const KeyEvent& rKEvt )
+{
+    USHORT 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;
+    }
+}
+
+/** returns true if the SmartTag consumes this event. */
+bool ChangePlaceholderTag::RequestHelp( const HelpEvent& /*rHEvt*/ )
+{
+   return false;
+}
+
+/** returns true if the SmartTag consumes this event. */
+bool ChangePlaceholderTag::Command( const CommandEvent& rCEvt )
+{
+    return false;
+}
+
+/** is called once if the mouse enters this tag */
+void ChangePlaceholderTag::onMouseEnter(SmartHdl& rHdl)
+{
+    ImageButtonHdl* pHdl = dynamic_cast< ImageButtonHdl* >( &rHdl );
+    if( mpSelectedHdl != 0 )
+    {
+        if( mpSelectedHdl == pHdl )
+            return;
+
+        mpSelectedHdl->select(false);
+    }
+
+    mpSelectedHdl = pHdl;
+
+    if( mpSelectedHdl )
+    {
+        mpSelectedHdl->select( true );
+    }
+}
+
+/** is called once if the mouse leaves this tag */
+void ChangePlaceholderTag::onMouseLeave()
+{
+    if( mpSelectedHdl )
+    {
+        mpSelectedHdl->select( false );
+        mpSelectedHdl = 0;
+    }
+}
+
+// --------------------------------------------------------------------
+
+void ChangePlaceholderTag::addCustomHandles( SdrHdlList& rHandlerList )
+{
+    if( mxPlaceholderObj.is() )
+    {
+        SdrObject* pPlaceholder = mxPlaceholderObj.get();
+        SmartTagReference xThis( this );
+        const Rectangle& rSnapRect = pPlaceholder->GetSnapRect();
+        const Point aPoint;
+
+        OutputDevice* pDev = mrView.GetFirstOutputDevice();
+        if( pDev == 0 )
+            pDev = Application::GetDefaultDevice();
+
+        Size aShapeSizePix = pDev->LogicToPixel(rSnapRect.GetSize());
+        long nShapeSizePix = std::min(aShapeSizePix.Width(),aShapeSizePix.Height());
+
+        Image* pImages = (nShapeSizePix > 300) ? &ViewOverlayManager::maLargeButtonImages[0] : &ViewOverlayManager::maSmallButtonImages[0];
+
+        Size aButtonSize( pDev->PixelToLogic(pImages[0].GetSizePixel()) );
+        if( 200 > nShapeSizePix )
+        {
+            aButtonSize.Width() >>= 1; aButtonSize.Height() >>= 1;
+        }
+
+        const long nBorderPix = (nShapeSizePix > 300) ? 4 : (nShapeSizePix > 100) ? 2 : 1;
+        Size aBorder( pDev->PixelToLogic(Size(nBorderPix,nBorderPix)) );
+
+        const int nColumns = (ViewOverlayManager::ButtonCount+1) >> 1;
+        const int nRows = (ViewOverlayManager::ButtonCount + nColumns - 1) / nColumns;
+
+        long all_width = (nColumns * aButtonSize.Width()) + ((nColumns-1) * aBorder.Width());
+        long all_height = (nRows * aButtonSize.Height()) + ((nRows-1) * aBorder.Height());
+
+        Point aPos( rSnapRect.Center() );
+        aPos.X() -= all_width >> 1;
+        aPos.Y() -= all_height >> 1;
+
+        long nStartX = aPos.X();
+
+        for( int i = 0, c = 0; i < ViewOverlayManager::ButtonCount; i++ )
+        {
+            Image aImg( pImages[i] );
+            if( 200 > nShapeSizePix )
+            {
+                BitmapEx b( aImg.GetBitmapEx() );
+                const double scale = 0.5;
+                b.Scale( scale, scale );
+                aImg = Image(b);
+            }
+
+            ImageButtonHdl* pHdl = new ImageButtonHdl( xThis, aImg, aPoint );
+            pHdl->SetObjHdlNum( SMART_TAG_HDL_NUM );
+            pHdl->SetPageView( mrView.GetSdrPageView() );
+
+            pHdl->SetPos( aPos );
+
+            rHandlerList.AddHdl( pHdl );
+
+            if( ++c == nColumns )
+            {
+                aPos.X() = nStartX;
+                aPos.Y() += aButtonSize.Height() + aBorder.Height();
+                c = 0;
+            }
+            else
+            {
+                aPos.X() += aButtonSize.Width() + aBorder.Width();
+            }
+        }
+    }
+}
+
+// --------------------------------------------------------------------
+
+void ChangePlaceholderTag::disposing()
+{
+    SmartTag::disposing();
+}
+
+// --------------------------------------------------------------------
+
+void ChangePlaceholderTag::select()
+{
+    SmartTag::select();
+}
+
+// --------------------------------------------------------------------
+
+void ChangePlaceholderTag::deselect()
+{
+    SmartTag::deselect();
+}
+
+// --------------------------------------------------------------------
+
+Image ViewOverlayManager::maSmallButtonImages[ViewOverlayManager::ButtonCount];
+Image ViewOverlayManager::maLargeButtonImages[ViewOverlayManager::ButtonCount];
+USHORT ViewOverlayManager::mnButtonSlots[ViewOverlayManager::ButtonCount] = { SID_INSERT_TABLE, SID_INSERT_DIAGRAM, SID_INSERT_GRAPHIC, SID_INSERT_AVMEDIA };
+
+// --------------------------------------------------------------------
+
+static Image lcl_getslotimage( ::com::sun::star::uno::Reference<com::sun::star::frame::XFrame>& xFrame, USHORT nSID, BOOL b1, BOOL b2 )
+{
+    rtl::OUString aSlotURL( RTL_CONSTASCII_USTRINGPARAM( "slot:" ));
+    aSlotURL += rtl::OUString::valueOf( sal_Int32( nSID ));
+    return ::GetImage( xFrame, aSlotURL, b1, b2 );
+}
+
+ViewOverlayManager::ViewOverlayManager( ViewShellBase& rViewShellBase )
+: mrBase( rViewShellBase )
+, mnUpdateTagsEvent( 0 )
+{
+    Link aLink( LINK(this,ViewOverlayManager,EventMultiplexerListener) );
+    mrBase.GetEventMultiplexer()->AddEventListener(aLink, tools::EventMultiplexerEvent::EID_CURRENT_PAGE);
+
+    StartListening( *mrBase.GetDocShell() );
+}
+
+// --------------------------------------------------------------------
+
+ViewOverlayManager::~ViewOverlayManager()
+{
+    Link aLink( LINK(this,ViewOverlayManager,EventMultiplexerListener) );
+    mrBase.GetEventMultiplexer()->RemoveEventListener( aLink );
+
+    if( mnUpdateTagsEvent )
+    {
+        Application::RemoveUserEvent( mnUpdateTagsEvent );
+        mnUpdateTagsEvent = 0;
+    }
+
+    DisposeTags();
+}
+
+// --------------------------------------------------------------------
+
+void ViewOverlayManager::UpdateImages()
+{
+    try
+    {
+        Reference<XFrame> xFrame(mrBase.GetFrame()->GetTopFrame()->GetFrameInterface(), UNO_QUERY_THROW);
+        for( int i = 0; i < ButtonCount; i++ )
+        {
+            maSmallButtonImages[i] = lcl_getslotimage( xFrame, mnButtonSlots[i], FALSE, FALSE );
+            maLargeButtonImages[i] = lcl_getslotimage( xFrame, mnButtonSlots[i], TRUE, FALSE );
+        }
+    }
+    catch( Exception& )
+    {
+        DBG_ERROR( "ViewOverlayManager::ViewOverlayManager(), exception caught!" );
+    }
+}
+
+// --------------------------------------------------------------------
+
+void ViewOverlayManager::Notify(SfxBroadcaster&, const SfxHint& rHint)
+{
+    const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
+    if (pSimpleHint != NULL)
+    {
+        if (pSimpleHint->GetId() == SFX_HINT_DOCCHANGED)
+        {
+            UpdateTags();
+        }
+    }
+}
+
+void ViewOverlayManager::onZoomChanged()
+{
+    if( !maTagVector.empty() )
+    {
+        UpdateTags();
+    }
+}
+
+void ViewOverlayManager::UpdateTags()
+{
+    if( !mnUpdateTagsEvent )
+        mnUpdateTagsEvent = Application::PostUserEvent( LINK( this, ViewOverlayManager, UpdateTagsHdl ) );
+}
+
+IMPL_LINK(ViewOverlayManager,UpdateTagsHdl, void *, EMPTYARG)
+{
+    mnUpdateTagsEvent  = 0;
+    bool bChanges = DisposeTags();
+    bChanges |= CreateTags();
+
+    if( bChanges && mrBase.GetDrawView() )
+        static_cast< ::sd::View* >( mrBase.GetDrawView() )->updateHandles();
+    return 0;
+}
+
+bool ViewOverlayManager::CreateTags()
+{
+    bool bChanges = false;
+
+    SdPage* pPage = mrBase.GetMainViewShell()->getCurrentPage();
+
+    if( pPage )
+    {
+        if( !maSmallButtonImages[0] )
+            UpdateImages();
+
+        const std::list< SdrObject* >& rShapes = pPage->GetPresentationShapeList().getList();
+
+        for( std::list< SdrObject* >::const_iterator iter( rShapes.begin() ); iter != rShapes.end(); iter++ )
+        {
+            if( (*iter)->IsEmptyPresObj() && ((*iter)->GetObjIdentifier() == OBJ_OUTLINETEXT) )
+            {
+                rtl::Reference< SmartTag > xTag( new ChangePlaceholderTag( *this, *mrBase.GetMainViewShell()->GetView(), *(*iter) ) );
+                maTagVector.push_back(xTag);
+            }
+        }
+    }
+
+    return bChanges;
+}
+
+// --------------------------------------------------------------------
+
+bool ViewOverlayManager::DisposeTags()
+{
+    if( !maTagVector.empty() )
+    {
+        ViewTagVector vec;
+        vec.swap( maTagVector );
+
+        ViewTagVector::iterator iter = vec.begin();
+        do
+        {
+            (*iter++)->Dispose();
+        }
+        while( iter != vec.end() );
+        return true;
+    }
+
+    return false;
+}
+
+// --------------------------------------------------------------------
+
+IMPL_LINK(ViewOverlayManager,EventMultiplexerListener,
+    tools::EventMultiplexerEvent*,pEvent)
+{
+    switch (pEvent->meEventId)
+    {
+        case tools::EventMultiplexerEvent::EID_CURRENT_PAGE:
+            UpdateTags();
+            break;
+    }
+    return 0;
+}
+
+}