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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "wine/winbase16.h"
27 #include "wine/winuser16.h"
30 #include "wine/debug.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(resource
);
33 WINE_DECLARE_DEBUG_CHANNEL(accel
);
35 /* this is the 8 byte accel struct used in Win32 resources (internal only) */
43 } PE_ACCEL
, *LPPE_ACCEL
;
45 /**********************************************************************
46 * LoadAccelerators [USER.177]
48 HACCEL16 WINAPI
LoadAccelerators16(HINSTANCE16 instance
, LPCSTR lpTableName
)
52 TRACE_(accel
)("%04x %s\n", instance
, debugstr_a(lpTableName
) );
54 if (!(hRsrc
= FindResource16( instance
, lpTableName
, RT_ACCELERATORA
))) {
55 WARN_(accel
)("couldn't find accelerator table resource\n");
59 TRACE_(accel
)("returning HACCEL 0x%x\n", hRsrc
);
60 return LoadResource16(instance
,hRsrc
);
63 /**********************************************************************
64 * LoadAcceleratorsW (USER32.@)
65 * The image layout seems to look like this (not 100% sure):
66 * 00: BYTE type type of accelerator
67 * 01: BYTE pad (to WORD boundary)
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
, (char *)( lpTableName
) );
83 TRACE_(accel
)("%p 0x%04x\n",
84 (LPVOID
)instance
, LOWORD(lpTableName
) );
86 if (!(hRsrc
= FindResourceW( instance
, lpTableName
, RT_ACCELERATORW
)))
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
;
102 accel16
[i
].key
= accel_table
[i
].key
;
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",
157 (LPVOID
)src
, (LPVOID
)dst
, entries
);
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
;
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. */
179 /* Turn off the high order bit, just in case. */
180 dst
[i
].fVirt
&= 0x7f;
185 /* The highest order bit seems to mark the end of the accelerator
186 resource table, but not always. Use GlobalSize() check too. */
187 if((accel
[i
].fVirt
& 0x80) != 0) done
= TRUE
;
195 /*********************************************************************
196 * CreateAcceleratorTableA (USER32.@)
198 * By mortene@pvv.org 980321
200 HACCEL WINAPI
CreateAcceleratorTableA(LPACCEL lpaccel
, INT cEntries
)
206 /* Do parameter checking just in case someone's trying to be
209 WARN_(accel
)("Application sent invalid parameters (%p %d).\n",
211 SetLastError(ERROR_INVALID_PARAMETER
);
214 FIXME_(accel
)("should check that the accelerator descriptions are valid,"
215 " return NULL and SetLastError() if not.\n");
218 /* Allocate memory and copy the table. */
219 hAccel
= HACCEL_32(GlobalAlloc16(0,cEntries
*sizeof(ACCEL16
)));
221 TRACE_(accel
)("handle %p\n", hAccel
);
223 ERR_(accel
)("Out of memory.\n");
224 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
227 accel
= GlobalLock16(HACCEL_16(hAccel
));
228 for (i
=0;i
<cEntries
;i
++) {
229 accel
[i
].fVirt
= lpaccel
[i
].fVirt
;
230 accel
[i
].key
= lpaccel
[i
].key
;
231 accel
[i
].cmd
= lpaccel
[i
].cmd
;
233 /* Set the end-of-table terminator. */
234 accel
[cEntries
-1].fVirt
|= 0x80;
236 TRACE_(accel
)("Allocated accelerator handle %p\n", hAccel
);
240 /*********************************************************************
241 * CreateAcceleratorTableW (USER32.@)
245 HACCEL WINAPI
CreateAcceleratorTableW(LPACCEL lpaccel
, INT cEntries
)
252 /* Do parameter checking just in case someone's trying to be
255 WARN_(accel
)("Application sent invalid parameters (%p %d).\n",
257 SetLastError(ERROR_INVALID_PARAMETER
);
260 FIXME_(accel
)("should check that the accelerator descriptions are valid,"
261 " return NULL and SetLastError() if not.\n");
264 /* Allocate memory and copy the table. */
265 hAccel
= HACCEL_32(GlobalAlloc16(0,cEntries
*sizeof(ACCEL16
)));
267 TRACE_(accel
)("handle %p\n", hAccel
);
269 ERR_(accel
)("Out of memory.\n");
270 SetLastError(ERROR_NOT_ENOUGH_MEMORY
);
273 accel
= GlobalLock16(HACCEL_16(hAccel
));
276 for (i
=0;i
<cEntries
;i
++) {
277 accel
[i
].fVirt
= lpaccel
[i
].fVirt
;
278 if( !(accel
[i
].fVirt
& FVIRTKEY
) ) {
279 ckey
= (char) lpaccel
[i
].key
;
280 if(!MultiByteToWideChar(CP_ACP
, MB_PRECOMPOSED
, &ckey
, 1, &accel
[i
].key
, 1))
281 WARN_(accel
)("Error converting ASCII accelerator table to Unicode");
284 accel
[i
].key
= lpaccel
[i
].key
;
285 accel
[i
].cmd
= lpaccel
[i
].cmd
;
288 /* Set the end-of-table terminator. */
289 accel
[cEntries
-1].fVirt
|= 0x80;
291 TRACE_(accel
)("Allocated accelerator handle %p\n", hAccel
);
295 /******************************************************************************
296 * DestroyAcceleratorTable [USER32.@]
297 * Destroys an accelerator table
300 * By mortene@pvv.org 980321
303 * handle [I] Handle to accelerator table
307 BOOL WINAPI
DestroyAcceleratorTable( HACCEL handle
)
309 return !GlobalFree16(HACCEL_16(handle
));
312 /**********************************************************************
313 * LoadString (USER.176)
315 INT16 WINAPI
LoadString16( HINSTANCE16 instance
, UINT16 resource_id
,
316 LPSTR buffer
, INT16 buflen
)
324 TRACE("inst=%04x id=%04x buff=%08x len=%d\n",
325 instance
, resource_id
, (int) buffer
, buflen
);
327 hrsrc
= FindResource16( instance
, (LPCSTR
)((resource_id
>>4)+1), RT_STRINGA
);
328 if (!hrsrc
) return 0;
329 hmem
= LoadResource16( instance
, hrsrc
);
332 p
= LockResource16(hmem
);
333 string_num
= resource_id
& 0x000f;
334 for (i
= 0; i
< string_num
; i
++)
337 TRACE("strlen = %d\n", (int)*p
);
339 if (buffer
== NULL
) return *p
;
340 i
= min(buflen
- 1, *p
);
342 memcpy(buffer
, p
+ 1, i
);
349 WARN("Dont know why caller give buflen=%d *p=%d trying to obtain string '%s'\n", buflen
, *p
, p
+ 1);
351 FreeResource16( hmem
);
353 TRACE("'%s' loaded !\n", buffer
);
357 /**********************************************************************
358 * LoadStringW (USER32.@)
360 INT WINAPI
LoadStringW( HINSTANCE instance
, UINT resource_id
,
361 LPWSTR buffer
, INT buflen
)
369 if (HIWORD(resource_id
)==0xFFFF) /* netscape 3 passes this */
370 resource_id
= (UINT
)(-((INT
)resource_id
));
371 TRACE("instance = %p, id = %04x, buffer = %08x, length = %d\n",
372 instance
, (int)resource_id
, (int) buffer
, buflen
);
374 /* Use bits 4 - 19 (incremented by 1) as resourceid, mask out
376 hrsrc
= FindResourceW( instance
, (LPCWSTR
)(((resource_id
>>4)&0xffff)+1),
378 if (!hrsrc
) return 0;
379 hmem
= LoadResource( instance
, hrsrc
);
382 p
= LockResource(hmem
);
383 string_num
= resource_id
& 0x000f;
384 for (i
= 0; i
< string_num
; i
++)
387 TRACE("strlen = %d\n", (int)*p
);
389 if (buffer
== NULL
) return *p
;
390 i
= min(buflen
- 1, *p
);
392 memcpy(buffer
, p
+ 1, i
* sizeof (WCHAR
));
393 buffer
[i
] = (WCHAR
) 0;
396 buffer
[0] = (WCHAR
) 0;
400 WARN("Dont know why caller give buflen=%d *p=%d trying to obtain string '%s'\n", buflen
, *p
, p
+ 1);
404 TRACE("%s loaded !\n", debugstr_w(buffer
));
408 /**********************************************************************
409 * LoadStringA (USER32.@)
411 INT WINAPI
LoadStringA( HINSTANCE instance
, UINT resource_id
,
412 LPSTR buffer
, INT buflen
)
417 TRACE("instance = %p, id = %04x, buffer = %08x, length = %d\n",
418 instance
, (int)resource_id
, (int) buffer
, buflen
);
420 if(buffer
== NULL
) /* asked size of string */
421 return LoadStringW(instance
, resource_id
, NULL
, 0);
423 wbuf
= HeapAlloc(GetProcessHeap(), 0, buflen
* sizeof(WCHAR
));
427 retval
= LoadStringW(instance
, resource_id
, wbuf
, buflen
);
430 retval
= WideCharToMultiByte(CP_ACP
, 0, wbuf
, retval
, buffer
, buflen
- 1, NULL
, NULL
);
432 TRACE("%s loaded !\n", debugstr_a(buffer
));
434 else buffer
[0] = 0; /* no check of buflen here */
435 HeapFree( GetProcessHeap(), 0, wbuf
);