xref: /AOO41X/main/sal/workben/clipboardwben/testcopy/cbcpytest.cxx (revision 87d2adbc9cadf14644c3679b041b9226f7630199)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 
25 // MARKER(update_precomp.py): autogen include statement, do not remove
26 #include "precompiled_sal.hxx"
27 // TestWin32.cpp : Definiert den Einsprungpunkt f�r die Anwendung.
28 //
29 
30 #define _WIN32_DCOM
31 #undef _UNICODE
32 
33 #include "stdafx.h"
34 
35 #include <windows.h>
36 
37 #include <ole2.h>
38 #include <objidl.h>
39 #include <objbase.h>
40 #include <process.h>
41 #include <olectl.h>
42 #include <stdlib.h>
43 #include <malloc.h>
44 #include <..\..\inc\systools\win32\MtaOleClipb.h>
45 #include "XTDataObject.hxx"
46 
47 #include "resource.h"
48 
49 #define MAX_LOADSTRING 100
50 #undef USE_MTACB
51 
52 #define MSG_FLUSHCLIPBOARD WM_USER + 1
53 
54 // Globale Variablen:
55 HINSTANCE           hInst;                      // aktuelle Instanz
56 TCHAR               szTitle[MAX_LOADSTRING];            // Text der Titelzeile
57 TCHAR               szWindowClass[MAX_LOADSTRING];  // Text der Titelzeile
58 ATOM                MyRegisterClass( HINSTANCE hInstance );
59 BOOL                InitInstance( HINSTANCE, int );
60 LRESULT CALLBACK    WndProc( HWND, UINT, WPARAM, LPARAM );
61 LRESULT CALLBACK    About( HWND, UINT, WPARAM, LPARAM );
62 void                CopyClipboardData(HWND hwndParent);
63 void                FlushClipboard( );
64 void                PasteData( HWND hWnd );
65 void                SetLocale();
66 
67 
68 LPSTREAM            g_pStm    = NULL;
69 char*               pTextBuff = NULL;
70 DWORD               lData     = 0;
71 CXTDataObject*      g_xtDo    = NULL;
72 HWND                g_hWnd;
73 HANDLE              g_hEvent;
74 BOOL                g_bEnd;
75 
76 //----------------------------------------------------
77 // a thread function
78 //----------------------------------------------------
79 
ThreadProc(LPVOID pParam)80 unsigned int _stdcall ThreadProc(LPVOID pParam)
81 {
82     while( !g_bEnd )
83     {
84         WaitForSingleObject( g_hEvent, INFINITE );
85         SendMessage( g_hWnd, MSG_FLUSHCLIPBOARD, WPARAM(0), LPARAM(0) );
86     }
87 
88     return 0;
89 }
90 
91 //----------------------------------------------------
92 // WinMain
93 //----------------------------------------------------
94 
WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int nCmdShow)95 int APIENTRY WinMain(HINSTANCE hInstance,
96                      HINSTANCE hPrevInstance,
97                      LPSTR     lpCmdLine,
98                      int       nCmdShow )
99 {
100     // ZU ERLEDIGEN: F�gen Sie hier den Code ein.
101     MSG     msg;
102     HACCEL  hAccelTable;
103     HRESULT hr = E_FAIL;
104 
105     /*
106     g_hEvent = CreateEvent( 0,
107                             FALSE,
108                             FALSE,
109                             NULL
110                           );
111 
112     g_bEnd = FALSE;
113 
114     _beginthreadex( ThreadProc,
115                     0,
116                     NULL,
117                     0,
118                     0,
119                     NULL );
120     */
121 
122     // it's important to initialize ole
123     // in order to use the clipboard
124 #ifdef USE_MTACB
125     hr = CoInitializeEx( NULL, COINIT_MULTITHREADED );
126 #else
127     hr = OleInitialize( NULL );
128 #endif
129 
130 
131     // Globale Zeichenfolgen initialisieren
132     LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
133     LoadString(hInstance, IDC_TESTWIN32, szWindowClass, MAX_LOADSTRING);
134     MyRegisterClass(hInstance);
135 
136     // Initialisierung der Anwendung durchf�hren:
137     if( !InitInstance( hInstance, nCmdShow ) )
138     {
139         return FALSE;
140     }
141 
142     hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_TESTWIN32);
143 
144     // Hauptnachrichtenschleife:
145     while( GetMessage(&msg, NULL, 0, 0) )
146     {
147         if( !TranslateAccelerator (msg.hwnd, hAccelTable, &msg) )
148         {
149             TranslateMessage( &msg );
150             DispatchMessage( &msg );
151         }
152     }
153 
154     // uninitializing the ole libraries
155 #ifdef USE_MTACB
156     CoUninitialize( );
157 #else
158     OleUninitialize( );
159 #endif
160 
161     CloseHandle( g_hEvent );
162 
163     return msg.wParam;
164 }
165 
166 
167 
168 //----------------------------------------------------------------
169 //  FUNKTION: MyRegisterClass()
170 //
171 //  AUFGABE: Registriert die Fensterklasse.
172 //
173 //  KOMMENTARE:
174 //
175 //    Diese Funktion und ihre Verwendung sind nur notwendig, wenn dieser Code
176 //    mit Win32-Systemen vor der 'RegisterClassEx'-Funktion kompatibel sein soll,
177 //    die zu Windows 95 hinzugef�gt wurde. Es ist wichtig diese Funktion aufzurufen,
178 //    damit der Anwendung kleine Symbole mit den richtigen Proportionen zugewiesen
179 //    werden.
180 //----------------------------------------------------------------
181 
MyRegisterClass(HINSTANCE hInstance)182 ATOM MyRegisterClass( HINSTANCE hInstance )
183 {
184     WNDCLASSEX wcex;
185 
186     wcex.cbSize = sizeof(WNDCLASSEX);
187 
188     wcex.style          = CS_HREDRAW | CS_VREDRAW;
189     wcex.lpfnWndProc    = (WNDPROC)WndProc;
190     wcex.cbClsExtra     = 0;
191     wcex.cbWndExtra     = 0;
192     wcex.hInstance      = hInstance;
193     wcex.hIcon          = LoadIcon(hInstance, (LPCTSTR)IDI_TESTWIN32);
194     wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
195     wcex.hbrBackground  = (HBRUSH)(COLOR_WINDOW+1);
196     wcex.lpszMenuName   = (LPCTSTR)IDC_TESTWIN32;
197     wcex.lpszClassName  = _T(szWindowClass);
198     wcex.hIconSm        = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL);
199 
200     return RegisterClassEx(&wcex);
201 }
202 
203 //----------------------------------------------------------------
204 //   FUNKTION: InitInstance(HANDLE, int)
205 //
206 //   AUFGABE: Speichert die Instanzzugriffsnummer und erstellt das Hauptfenster
207 //
208 //   KOMMENTARE:
209 //
210 //        In dieser Funktion wird die Instanzzugriffsnummer in einer globalen Variable
211 //        gespeichert und das Hauptprogrammfenster erstellt und angezeigt.
212 //----------------------------------------------------------------
213 
InitInstance(HINSTANCE hInstance,int nCmdShow)214 BOOL InitInstance( HINSTANCE hInstance, int nCmdShow )
215 {
216    hInst = hInstance; // Instanzzugriffsnummer in unserer globalen Variable speichern
217 
218    g_hWnd = CreateWindowEx(0, szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
219       CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
220 
221    if( !g_hWnd )
222    {
223       return FALSE;
224    }
225 
226    ShowWindow( g_hWnd, nCmdShow );
227    UpdateWindow( g_hWnd );
228 
229    return TRUE;
230 }
231 
232 //----------------------------------------------------------------
233 //  FUNKTION: WndProc(HWND, unsigned, WORD, LONG)
234 //
235 //  AUFGABE:  Verarbeitet Nachrichten f�r das Hauptfenster.
236 //
237 //  WM_COMMAND  - Anwendungsmen� verarbeiten
238 //  WM_PAINT    - Hauptfenster darstellen
239 //  WM_DESTROY  - Beendigungsnachricht ausgeben und zur�ckkehren
240 //----------------------------------------------------------------
241 
WndProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam)242 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
243 {
244     int         wmId;
245     int         wmEvent;
246     PAINTSTRUCT ps;
247     HDC         hdc;
248     TCHAR       szHello[MAX_LOADSTRING];
249 
250 
251     LoadString(hInst, IDS_HELLO, szHello, MAX_LOADSTRING);
252 
253     switch( message )
254     {
255         case WM_COMMAND:
256             wmId    = LOWORD(wParam);
257             wmEvent = HIWORD(wParam);
258             // Men�auswahlen analysieren:
259             switch( wmId )
260             {
261                 case IDD_COPY:
262                     CopyClipboardData(hWnd);
263                     break;
264                 case IDD_PASTE2:
265                     PasteData(hWnd);
266                     break;
267                 case IDD_LOCALE:
268                     SetLocale();
269                     break;
270                 case IDM_EXIT:
271                    DestroyWindow( hWnd );
272                    break;
273 
274                 default:
275                    return DefWindowProc( hWnd, message, wParam, lParam );
276             }
277             break;
278 
279         case WM_PAINT:
280             hdc = BeginPaint (hWnd, &ps);
281             // ZU ERLEDIGEN: Hier beliebigen Code zum Zeichnen hinzuf�gen...
282             RECT rt;
283             GetClientRect( hWnd, &rt );
284 
285             if ( NULL != pTextBuff )
286             {
287                 DrawText( hdc, pTextBuff, lData, &rt, DT_CENTER );
288             }
289             else
290             {
291                 DrawText( hdc, szHello, strlen(szHello), &rt, DT_CENTER );
292             }
293 
294             EndPaint( hWnd, &ps );
295             break;
296 
297         case WM_DESTROY:
298             g_bEnd = TRUE;
299             SetEvent( g_hEvent );
300             FlushClipboard( );
301             PostQuitMessage( 0 );
302             break;
303 
304         default:
305             return DefWindowProc( hWnd, message, wParam, lParam );
306    }
307    return 0;
308 }
309 
310 //----------------------------------------------
311 // copy data into the clipboard
312 //----------------------------------------------
313 
CopyClipboardData(HWND hWnd)314 void CopyClipboardData( HWND hWnd )
315 {
316     g_xtDo = new CXTDataObject( 1 );
317 #ifdef USE_MTACB
318     MTASetClipboard( static_cast< IDataObject* >( g_xtDo ) );
319 #else
320     OleSetClipboard( static_cast< IDataObject* >( g_xtDo ) );
321 #endif
322 }
323 
324 //----------------------------------------------
325 // flush the content into the clipboard
326 //----------------------------------------------
327 
FlushClipboard()328 void FlushClipboard( )
329 {
330     if ( NULL != g_xtDo )
331     {
332 #ifdef USE_MTACB
333         HRESULT hr = MTAIsCurrentClipboard( static_cast< IDataObject* >( g_xtDo ) );
334         if ( S_OK == hr )
335             MTAFlushClipboard( );
336 #else
337         HRESULT hr = OleIsCurrentClipboard( static_cast< IDataObject* >( g_xtDo ) );
338         if ( S_OK == hr )
339             OleFlushClipboard( );
340 #endif
341 
342         static_cast< IDataObject* >( g_xtDo )->Release( );
343     }
344 }
345 
346 
PasteData(HWND hWnd)347 void PasteData(HWND hWnd)
348 {
349     IDataObject* pDataObj;
350 
351     //FlushClipboard( );
352 
353     HRESULT hr = OleGetClipboard( &pDataObj );
354     if ( SUCCEEDED( hr ) )
355     {
356         FORMATETC fetc;
357         STGMEDIUM stgmedium;
358 
359         fetc.cfFormat = CF_LOCALE;
360         fetc.ptd      = NULL;
361         fetc.dwAspect = DVASPECT_CONTENT;
362         fetc.lindex   = -1;
363         fetc.tymed    = TYMED_HGLOBAL;
364 
365         hr = pDataObj->GetData( &fetc, &stgmedium );
366         if ( SUCCEEDED( hr ) )
367         {
368             LPVOID lpData = GlobalLock( stgmedium.hGlobal );
369 
370             if ( NULL != lpData )
371             {
372                 LCID lcid = *( (WORD*)lpData );
373 
374                 WORD langID = LANGIDFROMLCID( lcid );
375                 WORD sublangID = SUBLANGID( langID );
376 
377                 TCHAR buff[6];
378                 int cbWritten = GetLocaleInfo( lcid, LOCALE_IDEFAULTANSICODEPAGE, buff, sizeof( buff ) );
379                 cbWritten     = GetLocaleInfo( lcid, LOCALE_IDEFAULTCODEPAGE, buff, sizeof( buff ) );
380 
381                 GlobalUnlock( stgmedium.hGlobal );
382             }
383             else
384             {
385                 DWORD dwLastError = GetLastError( );
386             }
387 
388             ReleaseStgMedium( &stgmedium );
389         }
390     }
391 }
392 
393 
SetLocale()394 void SetLocale()
395 {
396     LCID threadLcid = GetThreadLocale();
397 }
398 
399