265 lines
8.4 KiB
C++
265 lines
8.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_dtrans.hxx"
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#include <com/sun/star/uno/Reference.h>
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#include <com/sun/star/lang/XComponent.hpp>
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
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#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
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#include <cppuhelper/servicefactory.hxx>
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#include <rtl/string.h>
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#include "atlwindow.hxx"
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#include "targetlistener.hxx"
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#include "sourcelistener.hxx"
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#include <map>
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#include <winbase.h>
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using namespace com::sun::star::lang;
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using namespace com::sun::star::datatransfer::dnd;
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using namespace com::sun::star::datatransfer::dnd::DNDConstants;
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using namespace cppu;
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using namespace std;
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using ::rtl::OUString;
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LRESULT APIENTRY EditSubclassProc( HWND hwnd, UINT uMsg,WPARAM wParam, LPARAM lParam) ;
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extern Reference< XMultiServiceFactory > MultiServiceFactory;
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DWORD WINAPI MTAFunc(LPVOID pParams);
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char* szSTAWin= "XDragSource::executeDrag is called from the same "
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"OLE STA thread that created the window.";
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char* szMTAWin= "XDragSource::executeDrag is called from a MTA thread "
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"that did not create the window.";
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WNDPROC wpOrigEditProc;
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map<HWND, HWND> mapEditToMainWnd;
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LRESULT AWindow::OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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Reference<XComponent> xcompSource( m_xDragSource, UNO_QUERY);
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PostQuitMessage(0);
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m_xDropTarget=0;
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m_xDragSource=0;
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// Remove the subclass from the edit control.
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::SetWindowLong(m_hwndEdit, GWL_WNDPROC,
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(LONG) wpOrigEditProc);
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return 0;
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}
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LRESULT AWindow::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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// Prepare the EDIT control
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m_hwndEdit = CreateWindowA(
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"EDIT", // predefined class
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NULL, // no window title
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WS_CHILD | WS_VISIBLE | WS_VSCROLL |
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ES_LEFT | ES_MULTILINE | ES_AUTOVSCROLL,
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0, 0, 0, 0, // set size in WM_SIZE message
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m_hWnd, // parent window
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(HMENU) NULL, // edit control ID
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(HINSTANCE) GetWindowLong( GWL_HINSTANCE),
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NULL);
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// the map is used in the window procedure for the edit window to associate the
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// it to the right main window ( AWindow)
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mapEditToMainWnd[m_hwndEdit]= m_hWnd;
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// Superclass the edit window, because we want to process mouse messages
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wpOrigEditProc = (WNDPROC) ::SetWindowLongA(m_hwndEdit,
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GWL_WNDPROC, (LONG) EditSubclassProc);
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// Add text to the window.
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if( m_isMTA)
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::SendMessageA(m_hwndEdit, WM_SETTEXT, 0, (LPARAM) szMTAWin);
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else
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::SendMessageA(m_hwndEdit, WM_SETTEXT, 0, (LPARAM) szSTAWin);
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// create the DragSource
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Reference< XInterface> xint= MultiServiceFactory->createInstance(OUString(L"com.sun.star.datatransfer.dnd.OleDragSource"));
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m_xDragSource= Reference<XDragSource>( xint, UNO_QUERY);
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Reference<XInitialization> xInit( xint, UNO_QUERY);
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Any ar[2];
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ar[1]<<= (sal_uInt32)m_hWnd;
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xInit->initialize( Sequence<Any>( ar, 2) );
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//create the DropTarget
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Reference< XInterface> xintTarget= MultiServiceFactory->createInstance(OUString(L"com.sun.star.datatransfer.dnd.OleDropTarget"));
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m_xDropTarget= Reference<XDropTarget>( xintTarget, UNO_QUERY);
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Reference<XInitialization> xInitTarget( xintTarget, UNO_QUERY);
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Any any;
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any <<= (sal_uInt32)m_hWnd;
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xInitTarget->initialize( Sequence<Any>( &any, 1) );
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m_xDropTarget->addDropTargetListener( static_cast<XDropTargetListener*>
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( new DropTargetListener( m_hwndEdit)) );
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// // make this window tho a drop target
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m_xDropTarget->setActive(sal_True);
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return 0;
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}
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// When the mouse is dragged for a second than a drag is initiated
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LRESULT AWindow::OnMouseAction(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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if( uMsg== WM_LBUTTONDOWN)
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{
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SetTimer( 1, 1000);
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}
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else if( uMsg == WM_LBUTTONUP)
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{
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KillTimer( 1);
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}
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return 0;
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}
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LRESULT AWindow::OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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HRESULT hr;
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USES_CONVERSION;
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KillTimer( 1);
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if(m_xDragSource.is())
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{
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//Get the Text out of the Edit window
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int length= (int)::SendMessageA( m_hwndEdit, WM_GETTEXTLENGTH, 0, 0);
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char * pBuffer= new char[length + 1];
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ZeroMemory( pBuffer, length + 1);
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::SendMessageA( m_hwndEdit, WM_GETTEXT, length, (LPARAM) pBuffer);
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IDataObject* pData= NULL;
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HRESULT hr= CreateDataCache( NULL, CLSID_NULL, __uuidof(IDataObject),(void**) &pData);
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if( pData)
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{
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FORMATETC format={ CF_TEXT, NULL, DVASPECT_CONTENT, -1, };
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HGLOBAL mem= GlobalAlloc(GHND, length + 1 );
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void* pMem= GlobalLock( mem);
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memcpy( pMem, pBuffer, length+1);
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GlobalUnlock( mem);
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STGMEDIUM medium;
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medium.tymed= TYMED_HGLOBAL;
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medium.hGlobal= mem;
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medium.pUnkForRelease= NULL;
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pData->SetData( &format, &medium, TRUE); // releases HGLOBAL eventually
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Reference<XTransferable> xTrans= m_aDataConverter.createTransferableFromDataObj(
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MultiServiceFactory, pData);
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// call XDragSource::executeDrag from an MTA
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if( m_isMTA )
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{
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DWORD mtaThreadId;
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ThreadData data;
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data.source= m_xDragSource;
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data.transferable= xTrans;
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data.evtThreadReady= CreateEvent( NULL, FALSE, FALSE, NULL);
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HANDLE hThread= CreateThread( NULL, 0, MTAFunc, &data, 0, &mtaThreadId);
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// We must wait until the thread copied the ThreadData structure
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WaitForSingleObject( data.evtThreadReady, INFINITE);
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CloseHandle( data.evtThreadReady);
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}
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else
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{
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m_xDragSource->startDrag( DragGestureEvent(),
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ACTION_LINK|ACTION_MOVE|ACTION_COPY,
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0,
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0,
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xTrans,
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Reference<XDragSourceListener>( static_cast<XDragSourceListener*>(new DragSourceListener() ) ) );
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}
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}
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delete[] pBuffer;
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}
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return 0;
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}
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LRESULT AWindow::OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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// Make the edit control the size of the window's
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// client area.
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::MoveWindow(m_hwndEdit,
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0, 0, // starting x- and y-coordinates
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LOWORD(lParam), // width of client area
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HIWORD(lParam), // height of client area
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TRUE); // repaint window
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return 0;
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}
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LRESULT AWindow::OnFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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::SetFocus(m_hwndEdit);
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return 0;
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}
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// Subclass procedure for EDIT window
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LRESULT APIENTRY EditSubclassProc( HWND hwnd, UINT uMsg,WPARAM wParam, LPARAM lParam)
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{
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if( uMsg >= WM_MOUSEFIRST && uMsg <= WM_MOUSELAST)
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{
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HWND hAWindow= mapEditToMainWnd[hwnd];
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::SendMessage( hAWindow, uMsg, wParam, lParam);
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}
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return CallWindowProc( wpOrigEditProc, hwnd, uMsg,
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wParam, lParam);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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