office-gobmx/sd/source/ui/view/viewoverlaymanager.cxx
Caolán McNamara 5fbafa2882 make this safe
2011-04-13 13:13:45 +01:00

620 lines
18 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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
*
* 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.
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************************************************************************/
// 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 <tools/rcid.h>
#include <vcl/help.hxx>
#include <vcl/lazydelete.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 "res_bmp.hrc"
#include "DrawDocShell.hxx"
#include "DrawViewShell.hxx"
#include "DrawController.hxx"
#include "glob.hrc"
#include "strings.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;
// --------------------------------------------------------------------
static sal_uInt16 gButtonSlots[] = { SID_INSERT_TABLE, SID_INSERT_DIAGRAM, SID_INSERT_GRAPHIC, SID_INSERT_AVMEDIA };
static sal_uInt16 gButtonToolTips[] = { STR_INSERT_TABLE, STR_INSERT_CHART, STR_INSERT_PICTURE, STR_INSERT_MOVIE };
// --------------------------------------------------------------------
static BitmapEx loadImageResource( sal_uInt16 nId )
{
SdResId aResId( nId );
aResId.SetRT( RSC_BITMAP );
return BitmapEx( aResId );
}
// --------------------------------------------------------------------
static BitmapEx* getButtonImage( int index, bool large )
{
static vcl::DeleteOnDeinit< BitmapEx > gSmallButtonImages[BMP_PLACEHOLDER_SMALL_END - BMP_PLACEHOLDER_SMALL_START] = { 0, 0, 0, 0, 0, 0, 0, 0 };
static vcl::DeleteOnDeinit< BitmapEx > gLargeButtonImages[BMP_PLACEHOLDER_LARGE_END - BMP_PLACEHOLDER_LARGE_START] = { 0, 0, 0, 0, 0, 0, 0, 0 };
if( !gSmallButtonImages[0].get() )
{
for( sal_uInt16 i = 0; i < (BMP_PLACEHOLDER_SMALL_END-BMP_PLACEHOLDER_SMALL_START); i++ )
{
gSmallButtonImages[i].set( new BitmapEx( loadImageResource( BMP_PLACEHOLDER_SMALL_START + i ) ) );
gLargeButtonImages[i].set( new BitmapEx( loadImageResource( BMP_PLACEHOLDER_LARGE_START + i ) ) );
}
}
if( large )
{
return gLargeButtonImages[index].get();
}
else
{
return gSmallButtonImages[index].get();
}
}
// --------------------------------------------------------------------
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 );
BitmapEx createOverlayImage( int nHighlight = -1 );
protected:
virtual void addCustomHandles( SdrHdlList& rHandlerList );
virtual void disposing();
virtual void select();
virtual void deselect();
private:
ViewOverlayManager& mrManager;
SdrObjectWeakRef mxPlaceholderObj;
};
class ImageButtonHdl : public SmartHdl
{
public:
ImageButtonHdl( const SmartTagReference& xTag, /* sal_uInt16 nSID, const Image& rImage, const Image& rImageMO, */ const Point& rPnt );
virtual ~ImageButtonHdl();
virtual void CreateB2dIAObject();
virtual sal_Bool IsFocusHdl() const;
virtual Pointer GetPointer() const;
virtual bool isMarkable() const;
virtual void onMouseEnter(const MouseEvent& rMEvt);
virtual void onMouseLeave();
int getHighlightId() const { return mnHighlightId; }
void HideTip();
private:
rtl::Reference< ChangePlaceholderTag > mxTag;
int mnHighlightId;
Size maImageSize;
sal_uLong mnTip;
};
// --------------------------------------------------------------------
ImageButtonHdl::ImageButtonHdl( const SmartTagReference& xTag /*, sal_uInt16 nSID, const Image& rImage, const Image& rImageMO*/, const Point& rPnt )
: SmartHdl( xTag, rPnt )
, mxTag( dynamic_cast< ChangePlaceholderTag* >( xTag.get() ) )
, mnHighlightId( -1 )
, maImageSize( 42, 42 )
, mnTip( 0 )
{
}
// --------------------------------------------------------------------
ImageButtonHdl::~ImageButtonHdl()
{
HideTip();
}
// --------------------------------------------------------------------
void ImageButtonHdl::HideTip()
{
if( mnTip )
{
Help::HideTip( mnTip );
mnTip = 0;
}
}
// --------------------------------------------------------------------
extern ::rtl::OUString ImplRetrieveLabelFromCommand( const Reference< XFrame >& xFrame, const OUString& aCmdURL );
void ImageButtonHdl::onMouseEnter(const MouseEvent& rMEvt)
{
if( pHdlList && pHdlList->GetView())
{
int nHighlightId = 0;
OutputDevice* pDev = pHdlList->GetView()->GetFirstOutputDevice();
if( pDev == 0 )
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;
if( pHdlList )
{
SdResId aResId( gButtonToolTips[mnHighlightId] );
aResId.SetRT( RSC_STRING );
String aHelpText( aResId );
Rectangle aScreenRect( pDev->LogicToPixel( GetPos() ), maImageSize );
mnTip = Help::ShowTip( static_cast< ::Window* >( pHdlList->GetView()->GetFirstOutputDevice() ), aScreenRect, aHelpText, 0 ) ;
}
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( mxTag->createOverlayImage( mnHighlightId ) ); // maImageMO.GetBitmapEx() : maImage.GetBitmapEx() );
maImageSize = aBitmapEx.GetSizePixel();
maImageSize.Width() >>= 1;
maImageSize.Height() >>= 1;
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;
pOverlayObject = new ::sdr::overlay::OverlayBitmapEx( aPosition, aBitmapEx, 0, 0 );
rPageWindow.GetOverlayManager()->add(*pOverlayObject);
maOverlayGroup.append(*pOverlayObject);
}
}
}
}
}
}
// --------------------------------------------------------------------
sal_Bool ImageButtonHdl::IsFocusHdl() const
{
return false;
}
// --------------------------------------------------------------------
bool ImageButtonHdl::isMarkable() const
{
return false;
}
// --------------------------------------------------------------------
Pointer ImageButtonHdl::GetPointer() 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 )
{
int nHighlightId = static_cast< ImageButtonHdl& >(rHdl).getHighlightId();
if( nHighlightId >= 0 )
{
sal_uInt16 nSID = gButtonSlots[nHighlightId];
if( mxPlaceholderObj.get() )
{
// 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, sal_False);
}
}
mrView.GetViewShell()->GetViewFrame()->GetDispatcher()->Execute( nSID, SFX_CALLMODE_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 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());
bool bLarge = nShapeSizePix > 250;
Size aSize( getButtonImage( 0, bLarge )->GetSizePixel() );
aRet.SetSizePixel( Size( aSize.Width() << 1, aSize.Height() << 1 ) );
const Rectangle aRectSrc( Point( 0, 0 ), aSize );
aRet = *(getButtonImage((nHighlight == 0) ? 4 : 0, bLarge));
aRet.Expand( aSize.Width(), aSize.Height(), NULL, sal_True );
aRet.CopyPixel( Rectangle( Point( aSize.Width(), 0 ), aSize ), aRectSrc, getButtonImage((nHighlight == 1) ? 5 : 1, bLarge) );
aRet.CopyPixel( Rectangle( Point( 0, aSize.Height() ), aSize ), aRectSrc, getButtonImage((nHighlight == 2) ? 6 : 2, bLarge) );
aRet.CopyPixel( Rectangle( Point( aSize.Width(), aSize.Height() ), aSize ), aRectSrc, getButtonImage((nHighlight == 3) ? 7 : 3, bLarge) );
}
return aRet;
}
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());
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.X() -= all_width >> 1;
aPos.Y() -= all_height >> 1;
ImageButtonHdl* pHdl = new ImageButtonHdl( xThis, aPoint );
pHdl->SetObjHdlNum( SMART_TAG_HDL_NUM );
pHdl->SetPageView( mrView.GetSdrPageView() );
pHdl->SetPos( aPos );
rHandlerList.AddHdl( pHdl );
}
}
// --------------------------------------------------------------------
void ChangePlaceholderTag::disposing()
{
SmartTag::disposing();
}
// --------------------------------------------------------------------
void ChangePlaceholderTag::select()
{
SmartTag::select();
}
// --------------------------------------------------------------------
void ChangePlaceholderTag::deselect()
{
SmartTag::deselect();
}
// --------------------------------------------------------------------
ViewOverlayManager::ViewOverlayManager( ViewShellBase& rViewShellBase )
: mrBase( rViewShellBase )
, mnUpdateTagsEvent( 0 )
{
Link aLink( LINK(this,ViewOverlayManager,EventMultiplexerListener) );
mrBase.GetEventMultiplexer()->AddEventListener(aLink, tools::EventMultiplexerEvent::EID_CURRENT_PAGE
| tools::EventMultiplexerEvent::EID_MAIN_VIEW_ADDED
| tools::EventMultiplexerEvent::EID_VIEW_ADDED
| tools::EventMultiplexerEvent::EID_BEGIN_TEXT_EDIT
| tools::EventMultiplexerEvent::EID_END_TEXT_EDIT );
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::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)
{
OSL_TRACE("ViewOverlayManager::UpdateTagsHdl");
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;
::boost::shared_ptr<ViewShell> aMainShell = mrBase.GetMainViewShell();
SdPage* pPage = aMainShell.get() ? aMainShell->getCurrentPage() : NULL;
if( pPage && !pPage->IsMasterPage() && (pPage->GetPageKind() == PK_STANDARD) )
{
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) && (mrBase.GetDrawView()->GetTextEditObject() != (*iter)) )
{
rtl::Reference< SmartTag > xTag( new ChangePlaceholderTag( *this, *mrBase.GetMainViewShell()->GetView(), *(*iter) ) );
maTagVector.push_back(xTag);
bChanges = true;
}
}
}
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_MAIN_VIEW_ADDED:
case tools::EventMultiplexerEvent::EID_VIEW_ADDED:
case tools::EventMultiplexerEvent::EID_BEGIN_TEXT_EDIT:
case tools::EventMultiplexerEvent::EID_END_TEXT_EDIT:
case tools::EventMultiplexerEvent::EID_CURRENT_PAGE:
UpdateTags();
break;
}
return 0;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */