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",
81 (LPVOID)instance, (const char *)( lpTableName ) );
83 TRACE_(accel)("%p 0x%04x\n",
84 (LPVOID)instance, LOWORD(lpTableName) );
86 if (!(hRsrc = FindResourceW( instance, lpTableName, (LPWSTR)RT_ACCELERATOR )))
88 WARN_(accel)("couldn't find accelerator table resource\n");
90 hMem = LoadResource( instance, hRsrc );
91 size = SizeofResource( instance, hRsrc );
92 if(size>=sizeof(PE_ACCEL))
94 LPPE_ACCEL accel_table = (LPPE_ACCEL) hMem;
96 int i,nrofaccells = size/sizeof(PE_ACCEL);
98 hRetval = GlobalAlloc16(0,sizeof(ACCEL16)*nrofaccells);
99 accel16 = (LPACCEL16)GlobalLock16(hRetval);
100 for (i=0;i<nrofaccells;i++) {
101 accel16[i].fVirt = accel_table[i].fVirt & 0x7f;
102 accel16[i].key = accel_table[i].key;
103 if( !(accel16[i].fVirt & FVIRTKEY) )
104 accel16[i].key &= 0x00ff;
105 accel16[i].cmd = accel_table[i].cmd;
107 accel16[i-1].fVirt |= 0x80;
110 TRACE_(accel)("returning HACCEL %p\n", hRsrc);
111 return HACCEL_32(hRetval);
114 /***********************************************************************
115 * LoadAcceleratorsA (USER32.@)
117 HACCEL WINAPI LoadAcceleratorsA(HINSTANCE instance,LPCSTR lpTableName)
123 if (!HIWORD(lpTableName)) return LoadAcceleratorsW( instance, (LPCWSTR)lpTableName );
125 len = MultiByteToWideChar( CP_ACP, 0, lpTableName, -1, NULL, 0 );
126 if ((uni = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
128 MultiByteToWideChar( CP_ACP, 0, lpTableName, -1, uni, len );
129 result = LoadAcceleratorsW(instance,uni);
130 HeapFree( GetProcessHeap(), 0, uni);
135 /**********************************************************************
136 * CopyAcceleratorTableA (USER32.@)
138 INT WINAPI CopyAcceleratorTableA(HACCEL src, LPACCEL dst, INT entries)
140 return CopyAcceleratorTableW(src, dst, entries);
143 /**********************************************************************
144 * CopyAcceleratorTableW (USER32.@)
146 * By mortene@pvv.org 980321
148 INT WINAPI CopyAcceleratorTableW(HACCEL src, LPACCEL dst,
152 LPACCEL16 accel = (LPACCEL16)GlobalLock16(HACCEL_16(src));
155 /* Do parameter checking to avoid the explosions and the screaming
156 as far as possible. */
157 if((dst && (entries < 1)) || (src == NULL) || !accel) {
158 WARN_(accel)("Application sent invalid parameters (%p %p %d).\n",
159 (LPVOID)src, (LPVOID)dst, entries);
162 xsize = GlobalSize16(HACCEL_16(src))/sizeof(ACCEL16);
163 if (xsize<entries) entries=xsize;
167 /* Spit out some debugging information. */
168 TRACE_(accel)("accel %d: type 0x%02x, event '%c', IDval 0x%04x.\n",
169 i, accel[i].fVirt, accel[i].key, accel[i].cmd);
171 /* Copy data to the destination structure array (if dst == NULL,
172 we're just supposed to count the number of entries). */
174 dst[i].fVirt = accel[i].fVirt&0x7f;
175 dst[i].key = accel[i].key;
176 dst[i].cmd = accel[i].cmd;
178 /* Check if we've reached the end of the application supplied
179 accelerator table. */
184 /* The highest order bit seems to mark the end of the accelerator
185 resource table, but not always. Use GlobalSize() check too. */
186 if((accel[i].fVirt & 0x80) != 0) done = TRUE;
194 /*********************************************************************
195 * CreateAcceleratorTableA (USER32.@)
197 * By mortene@pvv.org 980321
199 HACCEL WINAPI CreateAcceleratorTableA(LPACCEL lpaccel, INT cEntries)
205 /* Do parameter checking just in case someone's trying to be
208 WARN_(accel)("Application sent invalid parameters (%p %d).\n",
210 SetLastError(ERROR_INVALID_PARAMETER);
214 /* Allocate memory and copy the table. */
215 hAccel = HACCEL_32(GlobalAlloc16(0,cEntries*sizeof(ACCEL16)));
217 TRACE_(accel)("handle %p\n", hAccel);
219 ERR_(accel)("Out of memory.\n");
220 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
223 accel = GlobalLock16(HACCEL_16(hAccel));
224 for (i=0;i<cEntries;i++) {
225 accel[i].fVirt = lpaccel[i].fVirt&0x7f;
226 accel[i].key = lpaccel[i].key;
227 if( !(accel[i].fVirt & FVIRTKEY) )
228 accel[i].key &= 0x00ff;
229 accel[i].cmd = lpaccel[i].cmd;
231 /* Set the end-of-table terminator. */
232 accel[cEntries-1].fVirt |= 0x80;
234 TRACE_(accel)("Allocated accelerator handle %p with %d entries\n", hAccel,cEntries);
238 /*********************************************************************
239 * CreateAcceleratorTableW (USER32.@)
243 HACCEL WINAPI CreateAcceleratorTableW(LPACCEL lpaccel, INT cEntries)
250 /* Do parameter checking just in case someone's trying to be
253 WARN_(accel)("Application sent invalid parameters (%p %d).\n",
255 SetLastError(ERROR_INVALID_PARAMETER);
259 /* Allocate memory and copy the table. */
260 hAccel = HACCEL_32(GlobalAlloc16(0,cEntries*sizeof(ACCEL16)));
262 TRACE_(accel)("handle %p\n", hAccel);
264 ERR_(accel)("Out of memory.\n");
265 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
268 accel = GlobalLock16(HACCEL_16(hAccel));
271 for (i=0;i<cEntries;i++) {
272 accel[i].fVirt = lpaccel[i].fVirt&0x7f;
273 if( !(accel[i].fVirt & FVIRTKEY) ) {
274 ckey = (char) lpaccel[i].key;
275 if(!MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, &ckey, 1, &accel[i].key, 1))
276 WARN_(accel)("Error converting ASCII accelerator table to Unicode\n");
279 accel[i].key = lpaccel[i].key;
280 accel[i].cmd = lpaccel[i].cmd;
283 /* Set the end-of-table terminator. */
284 accel[cEntries-1].fVirt |= 0x80;
286 TRACE_(accel)("Allocated accelerator handle %p\n", hAccel);
290 /******************************************************************************
291 * DestroyAcceleratorTable [USER32.@]
292 * Destroys an accelerator table
295 * By mortene@pvv.org 980321
298 * handle [I] Handle to accelerator table
304 BOOL WINAPI DestroyAcceleratorTable( HACCEL handle )
308 return !GlobalFree16(HACCEL_16(handle));
311 /**********************************************************************
312 * LoadString (USER.176)
314 INT16 WINAPI LoadString16( HINSTANCE16 instance, UINT16 resource_id,
315 LPSTR buffer, INT16 buflen )
323 TRACE("inst=%04x id=%04x buff=%p len=%d\n",
324 instance, resource_id, buffer, buflen);
326 hrsrc = FindResource16( instance, MAKEINTRESOURCEA((resource_id>>4)+1), (LPSTR)RT_STRING );
327 if (!hrsrc) return 0;
328 hmem = LoadResource16( instance, hrsrc );
331 p = LockResource16(hmem);
332 string_num = resource_id & 0x000f;
333 for (i = 0; i < string_num; i++)
336 TRACE("strlen = %d\n", (int)*p );
338 if (buffer == NULL) return *p;
339 i = min(buflen - 1, *p);
341 memcpy(buffer, p + 1, i);
348 WARN("Don't know why caller gave buflen=%d *p=%d trying to obtain string '%s'\n", buflen, *p, p + 1);
350 FreeResource16( hmem );
352 TRACE("'%s' loaded !\n", buffer);
356 /**********************************************************************
357 * LoadStringW (USER32.@)
359 INT WINAPI LoadStringW( HINSTANCE instance, UINT resource_id,
360 LPWSTR buffer, INT buflen )
368 TRACE("instance = %p, id = %04x, buffer = %p, length = %d\n",
369 instance, resource_id, buffer, buflen);
374 /* Use loword (incremented by 1) as resourceid */
375 hrsrc = FindResourceW( instance, MAKEINTRESOURCEW((LOWORD(resource_id) >> 4) + 1),
377 if (!hrsrc) return 0;
378 hmem = LoadResource( instance, hrsrc );
381 p = LockResource(hmem);
382 string_num = resource_id & 0x000f;
383 for (i = 0; i < string_num; i++)
386 TRACE("strlen = %d\n", (int)*p );
388 /*if buflen == 0, then return a read-only pointer to the resource itself in buffer
389 it is assumed that buffer is actually a (LPWSTR *) */
392 *((LPWSTR *)buffer) = p + 1;
396 i = min(buflen - 1, *p);
398 memcpy(buffer, p + 1, i * sizeof (WCHAR));
407 TRACE("%s loaded !\n", debugstr_w(buffer));
411 /**********************************************************************
412 * LoadStringA (USER32.@)
414 INT WINAPI LoadStringA( HINSTANCE instance, UINT resource_id, LPSTR buffer, INT buflen )
420 TRACE("instance = %p, id = %04x, buffer = %p, length = %d\n",
421 instance, resource_id, buffer, buflen);
423 if (!buflen) return -1;
425 /* Use loword (incremented by 1) as resourceid */
426 if ((hrsrc = FindResourceW( instance, MAKEINTRESOURCEW((LOWORD(resource_id) >> 4) + 1),
427 (LPWSTR)RT_STRING )) &&
428 (hmem = LoadResource( instance, hrsrc )))
430 const WCHAR *p = LockResource(hmem);
431 unsigned int id = resource_id & 0x000f;
433 while (id--) p += *p + 1;
435 RtlUnicodeToMultiByteN( buffer, buflen - 1, &retval, p + 1, *p * sizeof(WCHAR) );
438 TRACE("returning %s\n", debugstr_a(buffer));
442 /**********************************************************************
443 * GetGuiResources (USER32.@)
445 DWORD WINAPI GetGuiResources( HANDLE hProcess, DWORD uiFlags )
447 static BOOL warn = TRUE;
450 FIXME("(%p,%x): stub\n",hProcess,uiFlags);
454 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );