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Diffstat (limited to 'dtrans/source/win32/dnd/source.cxx')
| -rw-r--r-- | dtrans/source/win32/dnd/source.cxx | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/dtrans/source/win32/dnd/source.cxx b/dtrans/source/win32/dnd/source.cxx deleted file mode 100644 index 72120727c0..0000000000 --- a/dtrans/source/win32/dnd/source.cxx +++ /dev/null @@ -1,432 +0,0 @@ -/* -*- 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 2000, 2010 Oracle and/or its affiliates. - * - * 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. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_dtrans.hxx" -#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp> -#include <com/sun/star/datatransfer/XTransferable.hpp> -#include <com/sun/star/awt/MouseButton.hpp> -#include <com/sun/star/awt/MouseEvent.hpp> -#include <rtl/unload.h> - -#include <process.h> -#include <memory> - -#include "source.hxx" -#include "globals.hxx" -#include "sourcecontext.hxx" -#include "../../inc/DtObjFactory.hxx" -#include <rtl/ustring.h> -#include <process.h> -#include <winuser.h> -#include <stdio.h> - -#ifdef __MINGW32__ -#define __uuidof(I) IID_##I -#endif - -using namespace cppu; -using namespace osl; -using namespace com::sun::star::datatransfer; -using namespace com::sun::star::datatransfer::dnd; -using namespace com::sun::star::datatransfer::dnd::DNDConstants; -using namespace com::sun::star::uno; -using namespace com::sun::star::awt::MouseButton; -using namespace com::sun::star::awt; -using namespace com::sun::star::lang; - -using ::rtl::OUString; - -extern rtl_StandardModuleCount g_moduleCount; - -//--> TRA - -extern Reference< XTransferable > g_XTransferable; - -//<-- TRA - -unsigned __stdcall DndOleSTAFunc(LPVOID pParams); - -//---------------------------------------------------- -/** Ctor -*/ -DragSource::DragSource( const Reference<XMultiServiceFactory>& sf): - m_serviceFactory( sf), - WeakComponentImplHelper3< XDragSource, XInitialization, XServiceInfo >(m_mutex), -// m_pcurrentContext_impl(0), - m_hAppWindow(0), - m_MouseButton(0), - m_RunningDndOperationCount(0) -{ - g_moduleCount.modCnt.acquire( &g_moduleCount.modCnt ); -} - -//---------------------------------------------------- -/** Dtor -*/ -DragSource::~DragSource() -{ - g_moduleCount.modCnt.release( &g_moduleCount.modCnt ); -} - -//---------------------------------------------------- -/** First start a new drag and drop thread if - the last one has finished - - ???? - Do we really need a separate thread for - every Dnd opeartion or only if the source - thread is an MTA thread - ???? -*/ -void DragSource::StartDragImpl( - const DragGestureEvent& trigger, - sal_Int8 sourceActions, - sal_Int32 /*cursor*/, - sal_Int32 /*image*/, - const Reference<XTransferable >& trans, - const Reference<XDragSourceListener >& listener ) -{ - // The actions supported by the drag source - m_sourceActions= sourceActions; - // We need to know which mouse button triggered the operation. - // If it was the left one, then the drop occurs when that button - // has been released and if it was the right one then the drop - // occurs when the right button has been released. If the event is not - // set then we assume that the left button is pressed. - MouseEvent evtMouse; - trigger.Event >>= evtMouse; - m_MouseButton= evtMouse.Buttons; - - // The SourceContext class administers the XDragSourceListener s and - // fires events to them. An instance only exists in the scope of this - // functions. However, the drag and drop operation causes callbacks - // to the IDropSource interface implemented in this class (but only - // while this function executes). The source context is also used - // in DragSource::QueryContinueDrag. - m_currentContext= static_cast<XDragSourceContext*>( new SourceContext( - static_cast<DragSource*>(this), listener ) ); - - // Convert the XTransferable data object into an IDataObject object; - - //--> TRA - g_XTransferable = trans; - //<-- TRA - - m_spDataObject= m_aDataConverter.createDataObjFromTransferable( - m_serviceFactory, trans); - - // Obtain the id of the thread that created the window - DWORD processId; - m_threadIdWindow= GetWindowThreadProcessId( m_hAppWindow, &processId); - - // hold the instance for the DnD thread, it's to late - // to acquire at the start of the thread procedure - // the thread procedure is responsible for the release - acquire(); - - // The thread acccesses members of this instance but does not call acquire. - // Hopefully this instance is not destroyed before the thread has terminated. - unsigned threadId; - HANDLE hThread= reinterpret_cast<HANDLE>(_beginthreadex( - 0, 0, DndOleSTAFunc, reinterpret_cast<void*>(this), 0, &threadId)); - - // detach from thread - CloseHandle(hThread); -} - -// XInitialization - -//---------------------------------------------------- -/** aArguments contains a machine id -*/ -void SAL_CALL DragSource::initialize( const Sequence< Any >& aArguments ) - throw(Exception, RuntimeException) -{ - if( aArguments.getLength() >=2) - m_hAppWindow= *(HWND*)aArguments[1].getValue(); - OSL_ASSERT( IsWindow( m_hAppWindow) ); -} - -//---------------------------------------------------- -/** XDragSource -*/ -sal_Bool SAL_CALL DragSource::isDragImageSupported( ) - throw(RuntimeException) -{ - return 0; -} - -//---------------------------------------------------- -/** -*/ -sal_Int32 SAL_CALL DragSource::getDefaultCursor( sal_Int8 /*dragAction*/ ) - throw( IllegalArgumentException, RuntimeException) -{ - return 0; -} - -//---------------------------------------------------- -/** Notifies the XDragSourceListener by - calling dragDropEnd -*/ -void SAL_CALL DragSource::startDrag( - const DragGestureEvent& trigger, - sal_Int8 sourceActions, - sal_Int32 cursor, - sal_Int32 image, - const Reference<XTransferable >& trans, - const Reference<XDragSourceListener >& listener ) throw( RuntimeException) -{ - // Allow only one running dnd operation at a time, - // see XDragSource documentation - - long cnt = InterlockedIncrement(&m_RunningDndOperationCount); - - if (1 == cnt) - { - StartDragImpl(trigger, sourceActions, cursor, image, trans, listener); - } - else - { - cnt = InterlockedDecrement(&m_RunningDndOperationCount); - - DragSourceDropEvent dsde; - - dsde.DropAction = ACTION_NONE; - dsde.DropSuccess = false; - - try - { - listener->dragDropEnd(dsde); - } - catch(RuntimeException&) - { - OSL_FAIL("Runtime exception during event dispatching"); - } - } -} - -//---------------------------------------------------- -/**IDropTarget -*/ -HRESULT STDMETHODCALLTYPE DragSource::QueryInterface( REFIID riid, void **ppvObject) -{ - if( !ppvObject) - return E_POINTER; - *ppvObject= NULL; - - if( riid == __uuidof( IUnknown) ) - *ppvObject= static_cast<IUnknown*>( this); - else if ( riid == __uuidof( IDropSource) ) - *ppvObject= static_cast<IDropSource*>( this); - - if(*ppvObject) - { - AddRef(); - return S_OK; - } - else - return E_NOINTERFACE; - -} - -//---------------------------------------------------- -/** -*/ -ULONG STDMETHODCALLTYPE DragSource::AddRef( void) -{ - acquire(); - return (ULONG) m_refCount; -} - -//---------------------------------------------------- -/** -*/ -ULONG STDMETHODCALLTYPE DragSource::Release( void) -{ - ULONG ref= m_refCount; - release(); - return --ref; -} - -//---------------------------------------------------- -/** IDropSource -*/ -HRESULT STDMETHODCALLTYPE DragSource::QueryContinueDrag( -/* [in] */ BOOL fEscapePressed, -/* [in] */ DWORD grfKeyState) -{ -#if defined DBG_CONSOLE_OUT - printf("\nDragSource::QueryContinueDrag"); -#endif - - HRESULT retVal= S_OK; // default continue DnD - - if (fEscapePressed) - { - retVal= DRAGDROP_S_CANCEL; - } - else - { - if( ( m_MouseButton == MouseButton::RIGHT && !(grfKeyState & MK_RBUTTON) ) || - ( m_MouseButton == MouseButton::MIDDLE && !(grfKeyState & MK_MBUTTON) ) || - ( m_MouseButton == MouseButton::LEFT && !(grfKeyState & MK_LBUTTON) ) || - ( m_MouseButton == 0 && !(grfKeyState & MK_LBUTTON) ) ) - { - retVal= DRAGDROP_S_DROP; - } - } - - // fire dropActionChanged event. - // this is actually done by the context, which also detects whether the action - // changed at all - sal_Int8 dropAction= fEscapePressed ? ACTION_NONE : - dndOleKeysToAction( grfKeyState, m_sourceActions); - - sal_Int8 userAction= fEscapePressed ? ACTION_NONE : - dndOleKeysToAction( grfKeyState, -1 ); - - static_cast<SourceContext*>(m_currentContext.get())->fire_dropActionChanged( - dropAction, userAction); - - return retVal; -} - -//---------------------------------------------------- -/** -*/ -HRESULT STDMETHODCALLTYPE DragSource::GiveFeedback( -/* [in] */ DWORD -#if defined DBG_CONSOLE_OUT -dwEffect -#endif -) -{ -#if defined DBG_CONSOLE_OUT - printf("\nDragSource::GiveFeedback %d", dwEffect); -#endif - - return DRAGDROP_S_USEDEFAULTCURSORS; -} - -// XServiceInfo -OUString SAL_CALL DragSource::getImplementationName( ) throw (RuntimeException) -{ - return OUString(RTL_CONSTASCII_USTRINGPARAM(DNDSOURCE_IMPL_NAME));; -} -// XServiceInfo -sal_Bool SAL_CALL DragSource::supportsService( const OUString& ServiceName ) throw (RuntimeException) -{ - if( ServiceName.equals(OUString(RTL_CONSTASCII_USTRINGPARAM(DNDSOURCE_SERVICE_NAME )))) - return sal_True; - return sal_False; -} - -Sequence< OUString > SAL_CALL DragSource::getSupportedServiceNames( ) throw (RuntimeException) -{ - OUString names[1]= {OUString(RTL_CONSTASCII_USTRINGPARAM(DNDSOURCE_SERVICE_NAME))}; - - return Sequence<OUString>(names, 1); -} - -//---------------------------------------------------- -/**This function is called as extra thread from - DragSource::executeDrag. The function - carries out a drag and drop operation by calling - DoDragDrop. The thread also notifies all - XSourceListener. -*/ -unsigned __stdcall DndOleSTAFunc(LPVOID pParams) -{ - // The structure contains all arguments for DoDragDrop and other - DragSource *pSource= (DragSource*)pParams; - - // Drag and drop only works in a thread in which OleInitialize is called. - HRESULT hr= OleInitialize( NULL); - - if(SUCCEEDED(hr)) - { - // We force the creation of a thread message queue. This is necessary - // for a later call to AttachThreadInput - MSG msgtemp; - PeekMessage( &msgtemp, NULL, WM_USER, WM_USER, PM_NOREMOVE); - - DWORD threadId= GetCurrentThreadId(); - - // This thread is attached to the thread that created the window. Hence - // this thread also receives all mouse and keyboard messages which are - // needed by DoDragDrop - AttachThreadInput( threadId , pSource->m_threadIdWindow, TRUE ); - - DWORD dwEffect= 0; - hr= DoDragDrop( - pSource->m_spDataObject.get(), - static_cast<IDropSource*>(pSource), - dndActionsToDropEffects( pSource->m_sourceActions), - &dwEffect); - - // #105428 detach my message queue from the other threads - // message queue before calling fire_dragDropEnd else - // the office may appear to hang sometimes - AttachThreadInput( threadId, pSource->m_threadIdWindow, FALSE); - - //--> TRA - // clear the global transferable again - g_XTransferable = Reference< XTransferable >( ); - //<-- TRA - - OSL_ENSURE( hr != E_INVALIDARG, "IDataObject impl does not contain valid data"); - - //Fire event - sal_Int8 action= hr == DRAGDROP_S_DROP ? dndOleDropEffectsToActions( dwEffect) : ACTION_NONE; - - static_cast<SourceContext*>(pSource->m_currentContext.get())->fire_dragDropEnd( - hr == DRAGDROP_S_DROP ? sal_True : sal_False, action); - - // Destroy SourceContextslkfgj - pSource->m_currentContext= 0; - // Destroy the XTransferable wrapper - pSource->m_spDataObject=0; - - OleUninitialize(); - } - - InterlockedDecrement(&pSource->m_RunningDndOperationCount); - - // the DragSource was manually acquired by - // thread starting method DelayedStartDrag - pSource->release(); - - return 0; -} - - - - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |