summaryrefslogtreecommitdiff
path: root/dtrans/test/win32/dnd/atlwindow.cxx
blob: ae8cf3856359f119c2c1e0deb042e9ce696239f1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
/*************************************************************************
 *
 *  $RCSfile: atlwindow.cxx,v $
 *
 *  $Revision: 1.9 $
 *
 *  last change: $Author: rt $ $Date: 2003-10-06 14:42:29 $
 *
 *  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 <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
    Reference< XInterface> xint= MultiServiceFactory->createInstance(OUString(L"com.sun.star.datatransfer.dnd.OleDragSource"));
    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
    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);

    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 tho 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);
    if(m_xDragSource.is())
    {

        //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, (LPARAM) pBuffer);

        IDataObject* pData= NULL;
        HRESULT hr= CreateDataCache( NULL, CLSID_NULL, __uuidof(IDataObject),(void**) &pData);
        if( pData)
        {
            FORMATETC format={ CF_TEXT, NULL, DVASPECT_CONTENT, -1, };

            HGLOBAL mem= GlobalAlloc(GHND, length + 1 );
            void* pMem= GlobalLock( mem);
            memcpy( pMem, pBuffer, length+1);
            GlobalUnlock( mem);

            STGMEDIUM medium;
            medium.tymed= TYMED_HGLOBAL;
            medium.hGlobal= mem;
            medium.pUnkForRelease= NULL;

            pData->SetData( &format,  &medium, TRUE); // releases HGLOBAL eventually

            Reference<XTransferable> xTrans= m_aDataConverter.createTransferableFromDataObj(
                                                MultiServiceFactory, pData);

            // call XDragSource::executeDrag from an MTA
            if( m_isMTA )
            {
                DWORD mtaThreadId;
                ThreadData data;
                data.source= m_xDragSource;
                data.transferable= xTrans;

                data.evtThreadReady= CreateEvent( NULL, FALSE, FALSE, NULL);

                HANDLE hThread= CreateThread( NULL, 0, MTAFunc, &data, 0, &mtaThreadId);
                // We must wait until the thread copied the ThreadData structure
                WaitForSingleObject( data.evtThreadReady, INFINITE);
                CloseHandle( data.evtThreadReady);


            }
            else
            {
                m_xDragSource->startDrag( DragGestureEvent(),
                    ACTION_LINK|ACTION_MOVE|ACTION_COPY,
                    0,
                    0,
                    xTrans,
                    Reference<XDragSourceListener>( static_cast<XDragSourceListener*>(new DragSourceListener() ) ) );
            }
        }

        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);
}