2 * USER resource functions
4 * Copyright 1993 Robert J. Amstadt
5 * Copyright 1995 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
29 #include "wine/winbase16.h"
30 #include "wine/winuser16.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(resource);
35 WINE_DECLARE_DEBUG_CHANNEL(accel);
37 /* this is the 8 byte accel struct used in Win32 resources (internal only) */
44 } PE_ACCEL, *LPPE_ACCEL;
46 /**********************************************************************
47 * LoadAccelerators [USER.177]
49 HACCEL16 WINAPI LoadAccelerators16(HINSTANCE16 instance, LPCSTR lpTableName)
53 TRACE_(accel)("%04x %s\n", instance, debugstr_a(lpTableName) );
55 if (!(hRsrc = FindResource16( instance, lpTableName, (LPSTR)RT_ACCELERATOR ))) {
56 WARN_(accel)("couldn't find accelerator table resource\n");
60 TRACE_(accel)("returning HACCEL 0x%x\n", hRsrc);
61 return LoadResource16(instance,hRsrc);
64 /**********************************************************************
65 * LoadAcceleratorsW (USER32.@)
66 * The image layout seems to look like this (not 100% sure):
67 * 00: WORD type type of accelerator
70 * 06: WORD pad (to DWORD boundary)
72 HACCEL WINAPI LoadAcceleratorsW(HINSTANCE instance,LPCWSTR lpTableName)
79 if (HIWORD(lpTableName))
80 TRACE_(accel)("%p '%s'\n", instance, (const char *)( lpTableName ) );
82 TRACE_(accel)("%p 0x%04x\n", instance, LOWORD(lpTableName) );
84 if (!(hRsrc = FindResourceW( instance, lpTableName, (LPWSTR)RT_ACCELERATOR )))
86 WARN_(accel)("couldn't find accelerator table resource\n");
88 hMem = LoadResource( instance, hRsrc );
89 size = SizeofResource( instance, hRsrc );
90 if(size>=sizeof(PE_ACCEL))
92 LPPE_ACCEL accel_table = (LPPE_ACCEL) hMem;
94 int i,nrofaccells = size/sizeof(PE_ACCEL);
96 hRetval = GlobalAlloc16(0,sizeof(ACCEL16)*nrofaccells);
97 accel16 = (LPACCEL16)GlobalLock16(hRetval);
98 for (i=0;i<nrofaccells;i++) {
99 accel16[i].fVirt = accel_table[i].fVirt & 0x7f;
100 accel16[i].key = accel_table[i].key;
101 if( !(accel16[i].fVirt & FVIRTKEY) )
102 accel16[i].key &= 0x00ff;
103 accel16[i].cmd = accel_table[i].cmd;
105 accel16[i-1].fVirt |= 0x80;
108 TRACE_(accel)("returning HACCEL %p\n", hRsrc);
109 return HACCEL_32(hRetval);
112 /***********************************************************************
113 * LoadAcceleratorsA (USER32.@)
115 HACCEL WINAPI LoadAcceleratorsA(HINSTANCE instance,LPCSTR lpTableName)
121 if (!HIWORD(lpTableName)) return LoadAcceleratorsW( instance, (LPCWSTR)lpTableName );
123 len = MultiByteToWideChar( CP_ACP, 0, lpTableName, -1, NULL, 0 );
124 if ((uni = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
126 MultiByteToWideChar( CP_ACP, 0, lpTableName, -1, uni, len );
127 result = LoadAcceleratorsW(instance,uni);
128 HeapFree( GetProcessHeap(), 0, uni);
133 /**********************************************************************
134 * CopyAcceleratorTableA (USER32.@)
136 INT WINAPI CopyAcceleratorTableA(HACCEL src, LPACCEL dst, INT entries)
138 return CopyAcceleratorTableW(src, dst, entries);
141 /**********************************************************************
142 * CopyAcceleratorTableW (USER32.@)
144 * By mortene@pvv.org 980321
146 INT WINAPI CopyAcceleratorTableW(HACCEL src, LPACCEL dst,
150 LPACCEL16 accel = (LPACCEL16)GlobalLock16(HACCEL_16(src));
153 /* Do parameter checking to avoid the explosions and the screaming
154 as far as possible. */
155 if((dst && (entries < 1)) || (src == NULL) || !accel) {
156 WARN_(accel)("Application sent invalid parameters (%p %p %d).\n",
160 xsize = GlobalSize16(HACCEL_16(src))/sizeof(ACCEL16);
161 if (xsize<entries) entries=xsize;
165 /* Spit out some debugging information. */
166 TRACE_(accel)("accel %d: type 0x%02x, event '%c', IDval 0x%04x.\n",
167 i, accel[i].fVirt, accel[i].key, accel[i].cmd);
169 /* Copy data to the destination structure array (if dst == NULL,
170 we're just supposed to count the number of entries). */
172 dst[i].fVirt = accel[i].fVirt&0x7f;
173 dst[i].key = accel[i].key;
174 dst[i].cmd = accel[i].cmd;
176 /* Check if we've reached the end of the application supplied
177 accelerator table. */
182 /* The highest order bit seems to mark the end of the accelerator
183 resource table, but not always. Use GlobalSize() check too. */
184 if((accel[i].fVirt & 0x80) != 0) done = TRUE;
192 /*********************************************************************
193 * CreateAcceleratorTableA (USER32.@)
195 * By mortene@pvv.org 980321
197 HACCEL WINAPI CreateAcceleratorTableA(LPACCEL lpaccel, INT cEntries)
203 /* Do parameter checking just in case someone's trying to be
206 WARN_(accel)("Application sent invalid parameters (%p %d).\n",
208 SetLastError(ERROR_INVALID_PARAMETER);
212 /* Allocate memory and copy the table. */
213 hAccel = HACCEL_32(GlobalAlloc16(0,cEntries*sizeof(ACCEL16)));
215 TRACE_(accel)("handle %p\n", hAccel);
217 ERR_(accel)("Out of memory.\n");
218 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
221 accel = GlobalLock16(HACCEL_16(hAccel));
222 for (i=0;i<cEntries;i++) {
223 accel[i].fVirt = lpaccel[i].fVirt&0x7f;
224 accel[i].key = lpaccel[i].key;
225 if( !(accel[i].fVirt & FVIRTKEY) )
226 accel[i].key &= 0x00ff;
227 accel[i].cmd = lpaccel[i].cmd;
229 /* Set the end-of-table terminator. */
230 accel[cEntries-1].fVirt |= 0x80;
232 TRACE_(accel)("Allocated accelerator handle %p with %d entries\n", hAccel,cEntries);
236 /*********************************************************************
237 * CreateAcceleratorTableW (USER32.@)
241 HACCEL WINAPI CreateAcceleratorTableW(LPACCEL lpaccel, INT cEntries)
248 /* Do parameter checking just in case someone's trying to be
251 WARN_(accel)("Application sent invalid parameters (%p %d).\n",
253 SetLastError(ERROR_INVALID_PARAMETER);
257 /* Allocate memory and copy the table. */
258 hAccel = HACCEL_32(GlobalAlloc16(0,cEntries*sizeof(ACCEL16)));
260 TRACE_(accel)("handle %p\n", hAccel);
262 ERR_(accel)("Out of memory.\n");
263 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
266 accel = GlobalLock16(HACCEL_16(hAccel));
269 for (i=0;i<cEntries;i++) {
270 accel[i].fVirt = lpaccel[i].fVirt&0x7f;
271 if( !(accel[i].fVirt & FVIRTKEY) ) {
272 ckey = (char) lpaccel[i].key;
273 if(!MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, &ckey, 1, &accel[i].key, 1))
274 WARN_(accel)("Error converting ASCII accelerator table to Unicode\n");
277 accel[i].key = lpaccel[i].key;
278 accel[i].cmd = lpaccel[i].cmd;
281 /* Set the end-of-table terminator. */
282 accel[cEntries-1].fVirt |= 0x80;
284 TRACE_(accel)("Allocated accelerator handle %p\n", hAccel);
288 /******************************************************************************
289 * DestroyAcceleratorTable [USER32.@]
290 * Destroys an accelerator table
293 * By mortene@pvv.org 980321
296 * handle [I] Handle to accelerator table
302 BOOL WINAPI DestroyAcceleratorTable( HACCEL handle )
306 return !GlobalFree16(HACCEL_16(handle));
309 /**********************************************************************
310 * LoadString (USER.176)
312 INT16 WINAPI LoadString16( HINSTANCE16 instance, UINT16 resource_id,
313 LPSTR buffer, INT16 buflen )
321 TRACE("inst=%04x id=%04x buff=%p len=%d\n",
322 instance, resource_id, buffer, buflen);
324 hrsrc = FindResource16( instance, MAKEINTRESOURCEA((resource_id>>4)+1), (LPSTR)RT_STRING );
325 if (!hrsrc) return 0;
326 hmem = LoadResource16( instance, hrsrc );
329 p = LockResource16(hmem);
330 string_num = resource_id & 0x000f;
331 for (i = 0; i < string_num; i++)
334 TRACE("strlen = %d\n", (int)*p );
336 if (buffer == NULL) return *p;
337 i = min(buflen - 1, *p);
339 memcpy(buffer, p + 1, i);
346 WARN("Don't know why caller gave buflen=%d *p=%d trying to obtain string '%s'\n", buflen, *p, p + 1);
348 FreeResource16( hmem );
350 TRACE("'%s' loaded !\n", buffer);
354 /**********************************************************************
355 * LoadStringW (USER32.@)
357 INT WINAPI LoadStringW( HINSTANCE instance, UINT resource_id,
358 LPWSTR buffer, INT buflen )
366 TRACE("instance = %p, id = %04x, buffer = %p, length = %d\n",
367 instance, resource_id, buffer, buflen);
372 /* Use loword (incremented by 1) as resourceid */
373 hrsrc = FindResourceW( instance, MAKEINTRESOURCEW((LOWORD(resource_id) >> 4) + 1),
375 if (!hrsrc) return 0;
376 hmem = LoadResource( instance, hrsrc );
379 p = LockResource(hmem);
380 string_num = resource_id & 0x000f;
381 for (i = 0; i < string_num; i++)
384 TRACE("strlen = %d\n", (int)*p );
386 /*if buflen == 0, then return a read-only pointer to the resource itself in buffer
387 it is assumed that buffer is actually a (LPWSTR *) */
390 *((LPWSTR *)buffer) = p + 1;
394 i = min(buflen - 1, *p);
396 memcpy(buffer, p + 1, i * sizeof (WCHAR));
405 TRACE("%s loaded !\n", debugstr_w(buffer));
409 /**********************************************************************
410 * LoadStringA (USER32.@)
412 INT WINAPI LoadStringA( HINSTANCE instance, UINT resource_id, LPSTR buffer, INT buflen )
418 TRACE("instance = %p, id = %04x, buffer = %p, length = %d\n",
419 instance, resource_id, buffer, buflen);
421 if (!buflen) return -1;
423 /* Use loword (incremented by 1) as resourceid */
424 if ((hrsrc = FindResourceW( instance, MAKEINTRESOURCEW((LOWORD(resource_id) >> 4) + 1),
425 (LPWSTR)RT_STRING )) &&
426 (hmem = LoadResource( instance, hrsrc )))
428 const WCHAR *p = LockResource(hmem);
429 unsigned int id = resource_id & 0x000f;
431 while (id--) p += *p + 1;
433 RtlUnicodeToMultiByteN( buffer, buflen - 1, &retval, p + 1, *p * sizeof(WCHAR) );
436 TRACE("returning %s\n", debugstr_a(buffer));
440 /**********************************************************************
441 * GetGuiResources (USER32.@)
443 DWORD WINAPI GetGuiResources( HANDLE hProcess, DWORD uiFlags )
445 static BOOL warn = TRUE;
448 FIXME("(%p,%x): stub\n",hProcess,uiFlags);
452 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );