office-gobmx/dtrans/test/win32/dnd/atlwindow.cxx
2001-07-19 10:14:24 +00:00

297 lines
9.7 KiB
C++

/*************************************************************************
*
* $RCSfile: atlwindow.cxx,v $
*
* $Revision: 1.7 $
*
* last change: $Author: jl $ $Date: 2001-07-19 11:14:24 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
#include <cppuhelper/servicefactory.hxx>
#include <rtl/string.h>
#include "atlwindow.hxx"
#include "targetlistener.hxx"
#include "sourcelistener.hxx"
//#include "transferable.hxx"
#include "dataobject.hxx"
#include <map>
#include <winbase.h>
using namespace com::sun::star::lang;
using namespace com::sun::star::datatransfer::dnd;
using namespace com::sun::star::datatransfer::dnd::DNDConstants;
using namespace cppu;
using namespace rtl;
using namespace std;
LRESULT APIENTRY EditSubclassProc( HWND hwnd, UINT uMsg,WPARAM wParam, LPARAM lParam) ;
extern Reference< XMultiServiceFactory > MultiServiceFactory;
DWORD WINAPI MTAFunc(LPVOID pParams);
char* szSTAWin= "XDragSource::executeDrag is called from the same "
"OLE STA thread that created the window.";
char* szMTAWin= "XDragSource::executeDrag is called from a MTA thread "
"that did not create the window.";
WNDPROC wpOrigEditProc;
map<HWND, HWND> mapEditToMainWnd;
LRESULT AWindow::OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
Reference<XComponent> xcompSource( m_xDragSource, UNO_QUERY);
PostQuitMessage(0);
m_xDropTarget=0;
m_xDragSource=0;
// Remove the subclass from the edit control.
::SetWindowLong(m_hwndEdit, GWL_WNDPROC,
(LONG) wpOrigEditProc);
return 0;
}
LRESULT AWindow::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
// Prepare the EDIT control
m_hwndEdit = CreateWindowA(
"EDIT", // predefined class
NULL, // no window title
WS_CHILD | WS_VISIBLE | WS_VSCROLL |
ES_LEFT | ES_MULTILINE | ES_AUTOVSCROLL,
0, 0, 0, 0, // set size in WM_SIZE message
m_hWnd, // parent window
(HMENU) NULL, // edit control ID
(HINSTANCE) GetWindowLong( GWL_HINSTANCE),
NULL);
// the map is used in the window procedure for the edit window to associate the
// it to the right main window ( AWindow)
mapEditToMainWnd[m_hwndEdit]= m_hWnd;
// Superclass the edit window, because we want to process mouse messages
wpOrigEditProc = (WNDPROC) ::SetWindowLongA(m_hwndEdit,
GWL_WNDPROC, (LONG) EditSubclassProc);
// Add text to the window.
if( m_isMTA)
::SendMessageA(m_hwndEdit, WM_SETTEXT, 0, (LPARAM) szMTAWin);
else
::SendMessageA(m_hwndEdit, WM_SETTEXT, 0, (LPARAM) szSTAWin);
// create the DragSource
OUString sServiceSource( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.datatransfer.dnd.OleDragSource"));
Reference< XInterface> xint= MultiServiceFactory->createInstance(sServiceSource);
m_xDragSource= Reference<XDragSource>( xint, UNO_QUERY);
Reference<XInitialization> xInit( xint, UNO_QUERY);
Any ar[2];
ar[1]<<= (sal_uInt32)m_hWnd;
xInit->initialize( Sequence<Any>( ar, 2) );
//create the DropTarget
// the initialization func of the drop target can be called from an STA or
// MTA
Reference< XInterface> xintTarget= MultiServiceFactory->createInstance(OUString(L"com.sun.star.datatransfer.dnd.OleDropTarget"));
m_xDropTarget= Reference<XDropTarget>( xintTarget, UNO_QUERY);
Reference<XInitialization> xInitTarget( xintTarget, UNO_QUERY);
// call Initialize from the mta thread
if( m_bInitInMTA)
{
InitializationData* pData= (InitializationData*) CoTaskMemAlloc(sizeof( InitializationData));
ZeroMemory( pData, sizeof( InitializationData));
pData->xInit= xInitTarget;
pData->hWnd= m_hWnd;
PostThreadMessage( m_idMTAThread, WM_SOURCE_INIT,(WPARAM) pData, 0);
}
else
{
// call initialize from the current thread
Any any;
any <<= (sal_uInt32)m_hWnd;
xInitTarget->initialize( Sequence<Any>( &any, 1) );
}
m_xDropTarget->addDropTargetListener( static_cast<XDropTargetListener*>
( new DropTargetListener( m_hwndEdit)) );
// // make this window a drop target
m_xDropTarget->setActive(sal_True);
return 0;
}
// When the mouse is dragged for a second than a drag is initiated
LRESULT AWindow::OnMouseAction(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
if( uMsg== WM_LBUTTONDOWN)
{
SetTimer( 1, 1000);
}
else if( uMsg == WM_LBUTTONUP)
{
KillTimer( 1);
}
return 0;
}
LRESULT AWindow::OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
HRESULT hr;
USES_CONVERSION;
KillTimer( 1);
// only if the dragsource exists and it is our own timer
if(m_xDragSource.is() && (UINT) wParam == 1)
{
//Get the Text out of the Edit window
int length= (int)::SendMessageA( m_hwndEdit, WM_GETTEXTLENGTH, 0, 0);
char * pBuffer= new char[length + 1];
ZeroMemory( pBuffer, length + 1);
::SendMessageA( m_hwndEdit, WM_GETTEXT, length+1, (LPARAM) pBuffer);
IDataObject* pData= (IDataObject*)new DataObject(pBuffer);
pData->AddRef();
if( pData)
{
// CDTransObjFactory fac;
// Reference<XTransferable> xTrans= fac.createTransferableFromDataObj(
// MultiServiceFactory, pData);
Reference<XTransferable> xTrans= m_aDataConverter.createTransferableFromDataObj(
MultiServiceFactory, pData);
// call XDragSource::executeDrag from an MTA
if( m_isMTA )
{
StartDragData* pData= (StartDragData*) CoTaskMemAlloc(sizeof( StartDragData));
ZeroMemory( pData, sizeof( StartDragData));
pData->source= m_xDragSource;
pData->transferable= xTrans;
PostThreadMessage( m_idMTAThread, WM_SOURCE_STARTDRAG,(WPARAM) pData, 0);
}
else
{
m_xDragSource->startDrag( DragGestureEvent(),
ACTION_LINK|ACTION_MOVE|ACTION_COPY,
0,
0,
xTrans,
Reference<XDragSourceListener>( static_cast<XDragSourceListener*>(new DragSourceListener() ) ) );
}
}
if( pData)
pData->Release();
delete[] pBuffer;
}
return 0;
}
LRESULT AWindow::OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
// Make the edit control the size of the window's
// client area.
::MoveWindow(m_hwndEdit,
0, 0, // starting x- and y-coordinates
LOWORD(lParam), // width of client area
HIWORD(lParam), // height of client area
TRUE); // repaint window
return 0;
}
LRESULT AWindow::OnFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
::SetFocus(m_hwndEdit);
return 0;
}
// Subclass procedure for EDIT window
LRESULT APIENTRY EditSubclassProc( HWND hwnd, UINT uMsg,WPARAM wParam, LPARAM lParam)
{
if( uMsg >= WM_MOUSEFIRST && uMsg <= WM_MOUSELAST)
{
HWND hAWindow= mapEditToMainWnd[hwnd];
::SendMessage( hAWindow, uMsg, wParam, lParam);
}
return CallWindowProc( wpOrigEditProc, hwnd, uMsg,
wParam, lParam);
}