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|
/* -*- 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 <config_features.h>
#include <tools/time.hxx>
#include <vcl/svapp.hxx>
#include <vcl/salgtype.hxx>
#include <vcl/window.hxx>
#include <vcl/floatwin.hxx>
#include <vcl/cursor.hxx>
#include <vcl/sysdata.hxx>
#include <sal/types.h>
#include <window.h>
#include <outdev.h>
#include <svdata.hxx>
#include <salobj.hxx>
#include <salgdi.hxx>
#include <salframe.hxx>
#include <dndlcon.hxx>
#include <dndevdis.hxx>
#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
#include <comphelper/processfactory.hxx>
using namespace ::com::sun::star::uno;
namespace vcl {
sal_uInt16 Window::ImplHitTest( const Point& rFramePos )
{
Point aFramePos( rFramePos );
if( ImplIsAntiparallel() )
{
// - RTL - re-mirror frame pos at this window
const OutputDevice *pOutDev = GetOutDev();
pOutDev->ReMirror( aFramePos );
}
Rectangle aRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
if ( !aRect.IsInside( aFramePos ) )
return 0;
if ( mpWindowImpl->mbWinRegion )
{
Point aTempPos = aFramePos;
aTempPos.X() -= mnOutOffX;
aTempPos.Y() -= mnOutOffY;
if ( !mpWindowImpl->maWinRegion.IsInside( aTempPos ) )
return 0;
}
sal_uInt16 nHitTest = WINDOW_HITTEST_INSIDE;
if ( mpWindowImpl->mbMouseTransparent )
nHitTest |= WINDOW_HITTEST_TRANSPARENT;
return nHitTest;
}
bool Window::ImplTestMousePointerSet()
{
// as soon as mouse is captured, switch mouse-pointer
if ( IsMouseCaptured() )
return true;
// if the mouse is over the window, switch it
Rectangle aClientRect( Point( 0, 0 ), GetOutputSizePixel() );
if ( aClientRect.IsInside( GetPointerPosPixel() ) )
return true;
return false;
}
PointerStyle Window::ImplGetMousePointer() const
{
PointerStyle ePointerStyle;
bool bWait = false;
if ( IsEnabled() && IsInputEnabled() && ! IsInModalMode() )
ePointerStyle = GetPointer().GetStyle();
else
ePointerStyle = PointerStyle::Arrow;
const vcl::Window* pWindow = this;
do
{
// when the pointer is not visible stop the search, as
// this status should not be overwritten
if ( pWindow->mpWindowImpl->mbNoPtrVisible )
return PointerStyle::Null;
if ( !bWait )
{
if ( pWindow->mpWindowImpl->mnWaitCount )
{
ePointerStyle = PointerStyle::Wait;
bWait = true;
}
else
{
if ( pWindow->mpWindowImpl->mbChildPtrOverwrite )
ePointerStyle = pWindow->GetPointer().GetStyle();
}
}
if ( pWindow->ImplIsOverlapWindow() )
break;
pWindow = pWindow->ImplGetParent();
}
while ( pWindow );
return ePointerStyle;
}
void Window::ImplCallMouseMove( sal_uInt16 nMouseCode, bool bModChanged )
{
if ( mpWindowImpl->mpFrameData->mbMouseIn && mpWindowImpl->mpFrameWindow->mpWindowImpl->mbReallyVisible )
{
sal_uInt64 nTime = tools::Time::GetSystemTicks();
long nX = mpWindowImpl->mpFrameData->mnLastMouseX;
long nY = mpWindowImpl->mpFrameData->mnLastMouseY;
sal_uInt16 nCode = nMouseCode;
MouseEventModifiers nMode = mpWindowImpl->mpFrameData->mnMouseMode;
bool bLeave;
// check for MouseLeave
if ( ((nX < 0) || (nY < 0) ||
(nX >= mpWindowImpl->mpFrameWindow->mnOutWidth) ||
(nY >= mpWindowImpl->mpFrameWindow->mnOutHeight)) &&
!ImplGetSVData()->maWinData.mpCaptureWin )
bLeave = true;
else
bLeave = false;
nMode |= MouseEventModifiers::SYNTHETIC;
if ( bModChanged )
nMode |= MouseEventModifiers::MODIFIERCHANGED;
ImplHandleMouseEvent( mpWindowImpl->mpFrameWindow, MouseNotifyEvent::MOUSEMOVE, bLeave, nX, nY, nTime, nCode, nMode );
}
}
void Window::ImplGenerateMouseMove()
{
if ( !mpWindowImpl->mpFrameData->mnMouseMoveId )
mpWindowImpl->mpFrameData->mnMouseMoveId = Application::PostUserEvent( LINK( mpWindowImpl->mpFrameWindow, Window, ImplGenerateMouseMoveHdl ), NULL, true );
}
IMPL_LINK_NOARG_TYPED(Window, ImplGenerateMouseMoveHdl, void*, void)
{
mpWindowImpl->mpFrameData->mnMouseMoveId = 0;
vcl::Window* pCaptureWin = ImplGetSVData()->maWinData.mpCaptureWin;
if( ! pCaptureWin ||
(pCaptureWin->mpWindowImpl && pCaptureWin->mpWindowImpl->mpFrame == mpWindowImpl->mpFrame)
)
{
ImplCallMouseMove( mpWindowImpl->mpFrameData->mnMouseCode );
}
}
void Window::ImplInvertFocus( const Rectangle& rRect )
{
InvertTracking( rRect, SHOWTRACK_SMALL | SHOWTRACK_WINDOW );
}
static bool IsWindowFocused(const WindowImpl& rWinImpl)
{
if (rWinImpl.mpSysObj)
return true;
if (rWinImpl.mpFrameData->mbHasFocus)
return true;
if (rWinImpl.mbFakeFocusSet)
return true;
return false;
}
void Window::ImplGrabFocus( GetFocusFlags nFlags )
{
// #143570# no focus for destructing windows
if( !mpWindowImpl || mpWindowImpl->mbInDispose )
return;
// some event listeners do really bad stuff
// => prepare for the worst
ImplDelData aDogTag( this );
// Currently the client window should always get the focus
// Should the border window at some point be focusable
// we need to change all GrabFocus() instances in VCL,
// e.g. in ToTop()
if ( mpWindowImpl->mpClientWindow )
{
// For a lack of design we need a little hack here to
// ensure that dialogs on close pass the focus back to
// the correct window
if ( mpWindowImpl->mpLastFocusWindow && (mpWindowImpl->mpLastFocusWindow.get() != this) &&
!(mpWindowImpl->mnDlgCtrlFlags & DialogControlFlags::WantFocus) &&
mpWindowImpl->mpLastFocusWindow->IsEnabled() &&
mpWindowImpl->mpLastFocusWindow->IsInputEnabled() &&
! mpWindowImpl->mpLastFocusWindow->IsInModalMode()
)
mpWindowImpl->mpLastFocusWindow->GrabFocus();
else
mpWindowImpl->mpClientWindow->GrabFocus();
return;
}
else if ( mpWindowImpl->mbFrame )
{
// For a lack of design we need a little hack here to
// ensure that dialogs on close pass the focus back to
// the correct window
if ( mpWindowImpl->mpLastFocusWindow && (mpWindowImpl->mpLastFocusWindow.get() != this) &&
!(mpWindowImpl->mnDlgCtrlFlags & DialogControlFlags::WantFocus) &&
mpWindowImpl->mpLastFocusWindow->IsEnabled() &&
mpWindowImpl->mpLastFocusWindow->IsInputEnabled() &&
! mpWindowImpl->mpLastFocusWindow->IsInModalMode()
)
{
mpWindowImpl->mpLastFocusWindow->GrabFocus();
return;
}
}
// If the Window is disabled, then we don't change the focus
if ( !IsEnabled() || !IsInputEnabled() || IsInModalMode() )
return;
// we only need to set the focus if it is not already set
// note: if some other frame is waiting for an asynchronous focus event
// we also have to post an asynchronous focus event for this frame
// which is done using ToTop
ImplSVData* pSVData = ImplGetSVData();
bool bAsyncFocusWaiting = false;
vcl::Window *pFrame = pSVData->maWinData.mpFirstFrame;
while( pFrame )
{
if( pFrame != mpWindowImpl->mpFrameWindow.get() && pFrame->mpWindowImpl->mpFrameData->mnFocusId )
{
bAsyncFocusWaiting = true;
break;
}
pFrame = pFrame->mpWindowImpl->mpFrameData->mpNextFrame;
}
bool bHasFocus = IsWindowFocused(*mpWindowImpl);
bool bMustNotGrabFocus = false;
// #100242#, check parent hierarchy if some floater prohibits grab focus
vcl::Window *pParent = this;
while( pParent )
{
// #102158#, ignore grabfocus only if the floating parent grabs keyboard focus by itself (GrabsFocus())
// otherwise we cannot set the focus in a floating toolbox
if( ( (pParent->mpWindowImpl->mbFloatWin && static_cast<FloatingWindow*>(pParent)->GrabsFocus()) || ( pParent->GetStyle() & WB_SYSTEMFLOATWIN ) ) && !( pParent->GetStyle() & WB_MOVEABLE ) )
{
bMustNotGrabFocus = true;
break;
}
pParent = pParent->mpWindowImpl->mpParent;
}
if ( ( pSVData->maWinData.mpFocusWin.get() != this &&
!mpWindowImpl->mbInDispose ) ||
( bAsyncFocusWaiting && !bHasFocus && !bMustNotGrabFocus ) )
{
// EndExtTextInput if it is not the same window
if ( pSVData->maWinData.mpExtTextInputWin &&
(pSVData->maWinData.mpExtTextInputWin.get() != this) )
pSVData->maWinData.mpExtTextInputWin->EndExtTextInput( EndExtTextInputFlags::Complete );
// mark this windows as the last FocusWindow
vcl::Window* pOverlapWindow = ImplGetFirstOverlapWindow();
pOverlapWindow->mpWindowImpl->mpLastFocusWindow = this;
mpWindowImpl->mpFrameData->mpFocusWin = this;
if( !bHasFocus )
{
// menu windows never get the system focus
// the application will keep the focus
if( bMustNotGrabFocus )
return;
else
{
// here we already switch focus as ToTop()
// should not give focus to another window
mpWindowImpl->mpFrame->ToTop( SAL_FRAME_TOTOP_GRABFOCUS | SAL_FRAME_TOTOP_GRABFOCUS_ONLY );
return;
}
}
vcl::Window* pOldFocusWindow = pSVData->maWinData.mpFocusWin;
ImplDelData aOldFocusDel( pOldFocusWindow );
pSVData->maWinData.mpFocusWin = this;
if ( pOldFocusWindow )
{
// Cursor hidden
if ( pOldFocusWindow->mpWindowImpl->mpCursor )
pOldFocusWindow->mpWindowImpl->mpCursor->ImplHide( true );
}
// !!!!! due to old SV-Office Activate/Deactivate handling
// !!!!! first as before
if ( pOldFocusWindow )
{
// remember Focus
vcl::Window* pOldOverlapWindow = pOldFocusWindow->ImplGetFirstOverlapWindow();
vcl::Window* pNewOverlapWindow = ImplGetFirstOverlapWindow();
if ( pOldOverlapWindow != pNewOverlapWindow )
ImplCallFocusChangeActivate( pNewOverlapWindow, pOldOverlapWindow );
}
else
{
vcl::Window* pNewOverlapWindow = ImplGetFirstOverlapWindow();
vcl::Window* pNewRealWindow = pNewOverlapWindow->ImplGetWindow();
pNewOverlapWindow->mpWindowImpl->mbActive = true;
pNewOverlapWindow->Activate();
if ( pNewRealWindow != pNewOverlapWindow )
{
pNewRealWindow->mpWindowImpl->mbActive = true;
pNewRealWindow->Activate();
}
}
// call Get- and LoseFocus
if ( pOldFocusWindow && ! aOldFocusDel.IsDead() )
{
if ( pOldFocusWindow->IsTracking() &&
(pSVData->maWinData.mnTrackFlags & StartTrackingFlags::FocusCancel) )
pOldFocusWindow->EndTracking( TrackingEventFlags::Cancel | TrackingEventFlags::Focus );
NotifyEvent aNEvt( MouseNotifyEvent::LOSEFOCUS, pOldFocusWindow );
if ( !ImplCallPreNotify( aNEvt ) )
pOldFocusWindow->CompatLoseFocus();
pOldFocusWindow->ImplCallDeactivateListeners( this );
}
if ( pSVData->maWinData.mpFocusWin.get() == this )
{
if ( mpWindowImpl->mpSysObj )
{
mpWindowImpl->mpFrameData->mpFocusWin = this;
if ( !mpWindowImpl->mpFrameData->mbInSysObjFocusHdl )
mpWindowImpl->mpSysObj->GrabFocus();
}
if ( pSVData->maWinData.mpFocusWin.get() == this )
{
if ( mpWindowImpl->mpCursor )
mpWindowImpl->mpCursor->ImplShow();
mpWindowImpl->mbInFocusHdl = true;
mpWindowImpl->mnGetFocusFlags = nFlags;
// if we're changing focus due to closing a popup floating window
// notify the new focus window so it can restore the inner focus
// eg, toolboxes can select their recent active item
if( pOldFocusWindow &&
! aOldFocusDel.IsDead() &&
( pOldFocusWindow->GetDialogControlFlags() & DialogControlFlags::FloatWinPopupModeEndCancel ) )
mpWindowImpl->mnGetFocusFlags |= GetFocusFlags::FloatWinPopupModeEndCancel;
NotifyEvent aNEvt( MouseNotifyEvent::GETFOCUS, this );
if ( !ImplCallPreNotify( aNEvt ) && !aDogTag.IsDead() )
CompatGetFocus();
if( !aDogTag.IsDead() )
ImplCallActivateListeners( (pOldFocusWindow && ! aOldFocusDel.IsDead()) ? pOldFocusWindow : NULL );
if( !aDogTag.IsDead() )
{
mpWindowImpl->mnGetFocusFlags = GetFocusFlags::NONE;
mpWindowImpl->mbInFocusHdl = false;
}
}
}
ImplNewInputContext();
}
}
void Window::ImplGrabFocusToDocument( GetFocusFlags nFlags )
{
vcl::Window *pWin = this;
while( pWin )
{
if( !pWin->GetParent() )
{
pWin->ImplGetFrameWindow()->GetWindow( GetWindowType::Client )->ImplGrabFocus(nFlags);
return;
}
pWin = pWin->GetParent();
}
}
void Window::MouseMove( const MouseEvent& rMEvt )
{
NotifyEvent aNEvt( MouseNotifyEvent::MOUSEMOVE, this, &rMEvt );
if ( !Notify( aNEvt ) )
mpWindowImpl->mbMouseMove = true;
}
void Window::MouseButtonDown( const MouseEvent& rMEvt )
{
NotifyEvent aNEvt( MouseNotifyEvent::MOUSEBUTTONDOWN, this, &rMEvt );
if ( !Notify( aNEvt ) )
mpWindowImpl->mbMouseButtonDown = true;
}
void Window::MouseButtonUp( const MouseEvent& rMEvt )
{
NotifyEvent aNEvt( MouseNotifyEvent::MOUSEBUTTONUP, this, &rMEvt );
if ( !Notify( aNEvt ) )
mpWindowImpl->mbMouseButtonUp = true;
}
void Window::SetMouseTransparent( bool bTransparent )
{
if ( mpWindowImpl->mpBorderWindow )
mpWindowImpl->mpBorderWindow->SetMouseTransparent( bTransparent );
if( mpWindowImpl->mpSysObj )
mpWindowImpl->mpSysObj->SetMouseTransparent( bTransparent );
mpWindowImpl->mbMouseTransparent = bTransparent;
}
void Window::CaptureMouse()
{
ImplSVData* pSVData = ImplGetSVData();
// possibly stop tracking
if ( pSVData->maWinData.mpTrackWin.get() != this )
{
if ( pSVData->maWinData.mpTrackWin )
pSVData->maWinData.mpTrackWin->EndTracking( TrackingEventFlags::Cancel );
}
if ( pSVData->maWinData.mpCaptureWin.get() != this )
{
pSVData->maWinData.mpCaptureWin = this;
mpWindowImpl->mpFrame->CaptureMouse( true );
}
}
void Window::ReleaseMouse()
{
ImplSVData* pSVData = ImplGetSVData();
DBG_ASSERTWARNING( pSVData->maWinData.mpCaptureWin.get() == this,
"Window::ReleaseMouse(): window doesn't have the mouse capture" );
if ( pSVData->maWinData.mpCaptureWin.get() == this )
{
pSVData->maWinData.mpCaptureWin = NULL;
mpWindowImpl->mpFrame->CaptureMouse( false );
ImplGenerateMouseMove();
}
}
bool Window::IsMouseCaptured() const
{
return (this == ImplGetSVData()->maWinData.mpCaptureWin);
}
void Window::SetPointer( const Pointer& rPointer )
{
if ( mpWindowImpl->maPointer == rPointer )
return;
mpWindowImpl->maPointer = rPointer;
// possibly immediately move pointer
if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() )
mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() );
}
void Window::EnableChildPointerOverwrite( bool bOverwrite )
{
if ( mpWindowImpl->mbChildPtrOverwrite == bOverwrite )
return;
mpWindowImpl->mbChildPtrOverwrite = bOverwrite;
// possibly immediately move pointer
if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() )
mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() );
}
void Window::SetPointerPosPixel( const Point& rPos )
{
Point aPos = ImplOutputToFrame( rPos );
const OutputDevice *pOutDev = GetOutDev();
if( pOutDev->HasMirroredGraphics() )
{
if( !IsRTLEnabled() )
{
// --- RTL --- (re-mirror mouse pos at this window)
pOutDev->ReMirror( aPos );
}
// mirroring is required here, SetPointerPos bypasses SalGraphics
mpGraphics->mirror( aPos.X(), this );
}
else if( ImplIsAntiparallel() )
{
pOutDev->ReMirror( aPos );
}
mpWindowImpl->mpFrame->SetPointerPos( aPos.X(), aPos.Y() );
}
void Window::SetLastMousePos(const Point& rPos)
{
// Do this conversion, so when GetPointerPosPixel() calls
// ImplFrameToOutput(), we get back the original position.
Point aPos = ImplOutputToFrame(rPos);
mpWindowImpl->mpFrameData->mnLastMouseX = aPos.X();
mpWindowImpl->mpFrameData->mnLastMouseY = aPos.Y();
}
Point Window::GetPointerPosPixel()
{
Point aPos( mpWindowImpl->mpFrameData->mnLastMouseX, mpWindowImpl->mpFrameData->mnLastMouseY );
if( ImplIsAntiparallel() )
{
// --- RTL --- (re-mirror mouse pos at this window)
const OutputDevice *pOutDev = GetOutDev();
pOutDev->ReMirror( aPos );
}
return ImplFrameToOutput( aPos );
}
Point Window::GetLastPointerPosPixel()
{
Point aPos( mpWindowImpl->mpFrameData->mnBeforeLastMouseX, mpWindowImpl->mpFrameData->mnBeforeLastMouseY );
if( ImplIsAntiparallel() )
{
// --- RTL --- (re-mirror mouse pos at this window)
const OutputDevice *pOutDev = GetOutDev();
pOutDev->ReMirror( aPos );
}
return ImplFrameToOutput( aPos );
}
void Window::ShowPointer( bool bVisible )
{
if ( mpWindowImpl->mbNoPtrVisible != !bVisible )
{
mpWindowImpl->mbNoPtrVisible = !bVisible;
// possibly immediately move pointer
if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() )
mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() );
}
}
Window::PointerState Window::GetPointerState()
{
PointerState aState;
aState.mnState = 0;
if (mpWindowImpl->mpFrame)
{
SalFrame::SalPointerState aSalPointerState;
aSalPointerState = mpWindowImpl->mpFrame->GetPointerState();
if( ImplIsAntiparallel() )
{
// --- RTL --- (re-mirror mouse pos at this window)
const OutputDevice *pOutDev = GetOutDev();
pOutDev->ReMirror( aSalPointerState.maPos );
}
aState.maPos = ImplFrameToOutput( aSalPointerState.maPos );
aState.mnState = aSalPointerState.mnState;
}
return aState;
}
bool Window::IsMouseOver()
{
return ImplGetWinData()->mbMouseOver;
}
void Window::EnterWait()
{
mpWindowImpl->mnWaitCount++;
if ( mpWindowImpl->mnWaitCount == 1 )
{
// possibly immediately move pointer
if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() )
mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() );
}
}
void Window::LeaveWait()
{
if ( mpWindowImpl->mnWaitCount )
{
mpWindowImpl->mnWaitCount--;
if ( !mpWindowImpl->mnWaitCount )
{
// possibly immediately move pointer
if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() )
mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() );
}
}
}
bool Window::ImplStopDnd()
{
bool bRet = false;
if( mpWindowImpl->mpFrameData && mpWindowImpl->mpFrameData->mxDropTargetListener.is() )
{
bRet = true;
mpWindowImpl->mpFrameData->mxDropTarget.clear();
mpWindowImpl->mpFrameData->mxDragSource.clear();
mpWindowImpl->mpFrameData->mxDropTargetListener.clear();
}
return bRet;
}
void Window::ImplStartDnd()
{
GetDropTarget();
}
Reference< css::datatransfer::dnd::XDropTarget > Window::GetDropTarget()
{
if( !mpWindowImpl )
return Reference< css::datatransfer::dnd::XDropTarget >();
if( ! mpWindowImpl->mxDNDListenerContainer.is() )
{
sal_Int8 nDefaultActions = 0;
if( mpWindowImpl->mpFrameData )
{
if( ! mpWindowImpl->mpFrameData->mxDropTarget.is() )
{
// initialization is done in GetDragSource
Reference< css::datatransfer::dnd::XDragSource > xDragSource = GetDragSource();
}
if( mpWindowImpl->mpFrameData->mxDropTarget.is() )
{
nDefaultActions = mpWindowImpl->mpFrameData->mxDropTarget->getDefaultActions();
if( ! mpWindowImpl->mpFrameData->mxDropTargetListener.is() )
{
mpWindowImpl->mpFrameData->mxDropTargetListener = new DNDEventDispatcher( mpWindowImpl->mpFrameWindow );
try
{
mpWindowImpl->mpFrameData->mxDropTarget->addDropTargetListener( mpWindowImpl->mpFrameData->mxDropTargetListener );
// register also as drag gesture listener if directly supported by drag source
Reference< css::datatransfer::dnd::XDragGestureRecognizer > xDragGestureRecognizer =
Reference< css::datatransfer::dnd::XDragGestureRecognizer > (mpWindowImpl->mpFrameData->mxDragSource, UNO_QUERY);
if( xDragGestureRecognizer.is() )
{
xDragGestureRecognizer->addDragGestureListener(
Reference< css::datatransfer::dnd::XDragGestureListener > (mpWindowImpl->mpFrameData->mxDropTargetListener, UNO_QUERY));
}
else
mpWindowImpl->mpFrameData->mbInternalDragGestureRecognizer = true;
}
catch (const RuntimeException&)
{
// release all instances
mpWindowImpl->mpFrameData->mxDropTarget.clear();
mpWindowImpl->mpFrameData->mxDragSource.clear();
}
}
}
}
mpWindowImpl->mxDNDListenerContainer = static_cast < css::datatransfer::dnd::XDropTarget * > ( new DNDListenerContainer( nDefaultActions ) );
}
// this object is located in the same process, so there will be no runtime exception
return Reference< css::datatransfer::dnd::XDropTarget > ( mpWindowImpl->mxDNDListenerContainer, UNO_QUERY );
}
Reference< css::datatransfer::dnd::XDragSource > Window::GetDragSource()
{
#if HAVE_FEATURE_DESKTOP
if( mpWindowImpl->mpFrameData )
{
if( ! mpWindowImpl->mpFrameData->mxDragSource.is() )
{
try
{
Reference< XComponentContext > xContext( comphelper::getProcessComponentContext() );
const SystemEnvData * pEnvData = GetSystemData();
if( pEnvData )
{
Sequence< Any > aDragSourceAL( 2 ), aDropTargetAL( 2 );
OUString aDragSourceSN, aDropTargetSN;
#if defined WNT
aDragSourceSN = "com.sun.star.datatransfer.dnd.OleDragSource";
aDropTargetSN = "com.sun.star.datatransfer.dnd.OleDropTarget";
aDragSourceAL[ 1 ] = makeAny( static_cast<sal_uInt64>( reinterpret_cast<sal_IntPtr>(pEnvData->hWnd) ) );
aDropTargetAL[ 0 ] = makeAny( static_cast<sal_uInt64>( reinterpret_cast<sal_IntPtr>(pEnvData->hWnd) ) );
#elif defined MACOSX
/* FIXME: Mac OS X specific dnd interface does not exist! *
* Using Windows based dnd as a temporary solution */
aDragSourceSN = "com.sun.star.datatransfer.dnd.OleDragSource";
aDropTargetSN = "com.sun.star.datatransfer.dnd.OleDropTarget";
aDragSourceAL[ 1 ] = makeAny( static_cast<sal_uInt64>( reinterpret_cast<sal_IntPtr>(pEnvData->mpNSView) ) );
aDropTargetAL[ 0 ] = makeAny( static_cast<sal_uInt64>( reinterpret_cast<sal_IntPtr>(pEnvData->mpNSView) ) );
#elif HAVE_FEATURE_X11
aDragSourceSN = "com.sun.star.datatransfer.dnd.X11DragSource";
aDropTargetSN = "com.sun.star.datatransfer.dnd.X11DropTarget";
aDragSourceAL[ 0 ] = makeAny( Application::GetDisplayConnection() );
aDropTargetAL[ 0 ] = makeAny( Application::GetDisplayConnection() );
aDropTargetAL[ 1 ] = makeAny( (sal_Size)(pEnvData->aShellWindow) );
#endif
if( !aDragSourceSN.isEmpty() )
mpWindowImpl->mpFrameData->mxDragSource.set(
xContext->getServiceManager()->createInstanceWithArgumentsAndContext( aDragSourceSN, aDragSourceAL, xContext ),
UNO_QUERY );
if( !aDropTargetSN.isEmpty() )
mpWindowImpl->mpFrameData->mxDropTarget.set(
xContext->getServiceManager()->createInstanceWithArgumentsAndContext( aDropTargetSN, aDropTargetAL, xContext ),
UNO_QUERY );
}
}
// createInstance can throw any exception
catch (const Exception&)
{
// release all instances
mpWindowImpl->mpFrameData->mxDropTarget.clear();
mpWindowImpl->mpFrameData->mxDragSource.clear();
}
}
return mpWindowImpl->mpFrameData->mxDragSource;
}
#endif
return Reference< css::datatransfer::dnd::XDragSource > ();
}
Reference< css::datatransfer::dnd::XDragGestureRecognizer > Window::GetDragGestureRecognizer()
{
return Reference< css::datatransfer::dnd::XDragGestureRecognizer > ( GetDropTarget(), UNO_QUERY );
}
} /* namespace vcl */
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