[UXTHEME]
[reactos.git] / reactos / dll / win32 / uxtheme / system.c
1 /*
2 * Win32 5.1 Theme system
3 *
4 * Copyright (C) 2003 Kevin Koltzau
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22
23 #include <stdarg.h>
24 #include <stdio.h>
25
26 #include "windef.h"
27 #include "winbase.h"
28 #include "wingdi.h"
29 #include "winuser.h"
30 #include "winreg.h"
31 #include "vfwmsgs.h"
32 #include "uxtheme.h"
33 #include "tmschema.h"
34
35 #include "uxthemedll.h"
36 #include "msstyles.h"
37
38 #include "wine/debug.h"
39
40 WINE_DEFAULT_DEBUG_CHANNEL(uxtheme);
41
42 /***********************************************************************
43 * Defines and global variables
44 */
45
46 static const WCHAR szThemeManager[] = {
47 'S','o','f','t','w','a','r','e','\\',
48 'M','i','c','r','o','s','o','f','t','\\',
49 'W','i','n','d','o','w','s','\\',
50 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
51 'T','h','e','m','e','M','a','n','a','g','e','r','\0'
52 };
53 static const WCHAR szThemeActive[] = {'T','h','e','m','e','A','c','t','i','v','e','\0'};
54 static const WCHAR szSizeName[] = {'S','i','z','e','N','a','m','e','\0'};
55 static const WCHAR szColorName[] = {'C','o','l','o','r','N','a','m','e','\0'};
56 static const WCHAR szDllName[] = {'D','l','l','N','a','m','e','\0'};
57
58 static const WCHAR szIniDocumentation[] = {'d','o','c','u','m','e','n','t','a','t','i','o','n','\0'};
59
60 HINSTANCE hDllInst;
61 ATOM atDialogThemeEnabled;
62
63 static DWORD dwThemeAppProperties = STAP_ALLOW_NONCLIENT | STAP_ALLOW_CONTROLS;
64 static ATOM atWindowTheme;
65 static ATOM atSubAppName;
66 static ATOM atSubIdList;
67
68 static BOOL bThemeActive = FALSE;
69 static WCHAR szCurrentTheme[MAX_PATH];
70 static WCHAR szCurrentColor[64];
71 static WCHAR szCurrentSize[64];
72
73 /***********************************************************************/
74
75 static BOOL CALLBACK UXTHEME_broadcast_msg_enumchild (HWND hWnd, LPARAM msg)
76 {
77 PostMessageW(hWnd, msg, 0, 0);
78 return TRUE;
79 }
80
81 /* Broadcast a message to *all* windows, including children */
82 static BOOL CALLBACK UXTHEME_broadcast_msg (HWND hWnd, LPARAM msg)
83 {
84 if (hWnd == NULL)
85 {
86 EnumWindows (UXTHEME_broadcast_msg, msg);
87 }
88 else
89 {
90 PostMessageW(hWnd, msg, 0, 0);
91 EnumChildWindows (hWnd, UXTHEME_broadcast_msg_enumchild, msg);
92 }
93 return TRUE;
94 }
95
96 /* At the end of the day this is a subset of what SHRegGetPath() does - copied
97 * here to avoid linking against shlwapi. */
98 static DWORD query_reg_path (HKEY hKey, LPCWSTR lpszValue,
99 LPVOID pvData)
100 {
101 DWORD dwRet, dwType, dwUnExpDataLen = MAX_PATH, dwExpDataLen;
102
103 TRACE("(hkey=%p,%s,%p)\n", hKey, debugstr_w(lpszValue),
104 pvData);
105
106 dwRet = RegQueryValueExW(hKey, lpszValue, 0, &dwType, pvData, &dwUnExpDataLen);
107 if (dwRet!=ERROR_SUCCESS && dwRet!=ERROR_MORE_DATA)
108 return dwRet;
109
110 if (dwType == REG_EXPAND_SZ)
111 {
112 DWORD nBytesToAlloc;
113
114 /* Expand type REG_EXPAND_SZ into REG_SZ */
115 LPWSTR szData;
116
117 /* If the caller didn't supply a buffer or the buffer is too small we have
118 * to allocate our own
119 */
120 if (dwRet == ERROR_MORE_DATA)
121 {
122 WCHAR cNull = '\0';
123 nBytesToAlloc = dwUnExpDataLen;
124
125 szData = LocalAlloc(LMEM_ZEROINIT, nBytesToAlloc);
126 RegQueryValueExW (hKey, lpszValue, 0, NULL, (LPBYTE)szData, &nBytesToAlloc);
127 dwExpDataLen = ExpandEnvironmentStringsW(szData, &cNull, 1);
128 dwUnExpDataLen = max(nBytesToAlloc, dwExpDataLen);
129 LocalFree(szData);
130 }
131 else
132 {
133 nBytesToAlloc = (lstrlenW(pvData) + 1) * sizeof(WCHAR);
134 szData = LocalAlloc(LMEM_ZEROINIT, nBytesToAlloc );
135 lstrcpyW(szData, pvData);
136 dwExpDataLen = ExpandEnvironmentStringsW(szData, pvData, MAX_PATH );
137 if (dwExpDataLen > MAX_PATH) dwRet = ERROR_MORE_DATA;
138 dwUnExpDataLen = max(nBytesToAlloc, dwExpDataLen);
139 LocalFree(szData);
140 }
141 }
142
143 RegCloseKey(hKey);
144 return dwRet;
145 }
146
147 /***********************************************************************
148 * UXTHEME_LoadTheme
149 *
150 * Set the current active theme from the registry
151 */
152 static void UXTHEME_LoadTheme(void)
153 {
154 HKEY hKey;
155 DWORD buffsize;
156 HRESULT hr;
157 WCHAR tmp[10];
158 PTHEME_FILE pt;
159
160 /* Get current theme configuration */
161 if(!RegOpenKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
162 TRACE("Loading theme config\n");
163 buffsize = sizeof(tmp)/sizeof(tmp[0]);
164 if(!RegQueryValueExW(hKey, szThemeActive, NULL, NULL, (LPBYTE)tmp, &buffsize)) {
165 bThemeActive = (tmp[0] != '0');
166 }
167 else {
168 bThemeActive = FALSE;
169 TRACE("Failed to get ThemeActive: %d\n", GetLastError());
170 }
171 buffsize = sizeof(szCurrentColor)/sizeof(szCurrentColor[0]);
172 if(RegQueryValueExW(hKey, szColorName, NULL, NULL, (LPBYTE)szCurrentColor, &buffsize))
173 szCurrentColor[0] = '\0';
174 buffsize = sizeof(szCurrentSize)/sizeof(szCurrentSize[0]);
175 if(RegQueryValueExW(hKey, szSizeName, NULL, NULL, (LPBYTE)szCurrentSize, &buffsize))
176 szCurrentSize[0] = '\0';
177 if (query_reg_path (hKey, szDllName, szCurrentTheme))
178 szCurrentTheme[0] = '\0';
179 RegCloseKey(hKey);
180 }
181 else
182 TRACE("Failed to open theme registry key\n");
183
184 if(bThemeActive) {
185 /* Make sure the theme requested is actually valid */
186 hr = MSSTYLES_OpenThemeFile(szCurrentTheme,
187 szCurrentColor[0]?szCurrentColor:NULL,
188 szCurrentSize[0]?szCurrentSize:NULL,
189 &pt);
190 if(FAILED(hr)) {
191 bThemeActive = FALSE;
192 szCurrentTheme[0] = '\0';
193 szCurrentColor[0] = '\0';
194 szCurrentSize[0] = '\0';
195 }
196 else {
197 /* Make sure the global color & size match the theme */
198 lstrcpynW(szCurrentColor, pt->pszSelectedColor, sizeof(szCurrentColor)/sizeof(szCurrentColor[0]));
199 lstrcpynW(szCurrentSize, pt->pszSelectedSize, sizeof(szCurrentSize)/sizeof(szCurrentSize[0]));
200
201 MSSTYLES_SetActiveTheme(pt, FALSE);
202 TRACE("Theme active: %s %s %s\n", debugstr_w(szCurrentTheme),
203 debugstr_w(szCurrentColor), debugstr_w(szCurrentSize));
204 MSSTYLES_CloseThemeFile(pt);
205 }
206 }
207 if(!bThemeActive) {
208 MSSTYLES_SetActiveTheme(NULL, FALSE);
209 TRACE("Theming not active\n");
210 }
211 }
212
213 /***********************************************************************/
214
215 static const char * const SysColorsNames[] =
216 {
217 "Scrollbar", /* COLOR_SCROLLBAR */
218 "Background", /* COLOR_BACKGROUND */
219 "ActiveTitle", /* COLOR_ACTIVECAPTION */
220 "InactiveTitle", /* COLOR_INACTIVECAPTION */
221 "Menu", /* COLOR_MENU */
222 "Window", /* COLOR_WINDOW */
223 "WindowFrame", /* COLOR_WINDOWFRAME */
224 "MenuText", /* COLOR_MENUTEXT */
225 "WindowText", /* COLOR_WINDOWTEXT */
226 "TitleText", /* COLOR_CAPTIONTEXT */
227 "ActiveBorder", /* COLOR_ACTIVEBORDER */
228 "InactiveBorder", /* COLOR_INACTIVEBORDER */
229 "AppWorkSpace", /* COLOR_APPWORKSPACE */
230 "Hilight", /* COLOR_HIGHLIGHT */
231 "HilightText", /* COLOR_HIGHLIGHTTEXT */
232 "ButtonFace", /* COLOR_BTNFACE */
233 "ButtonShadow", /* COLOR_BTNSHADOW */
234 "GrayText", /* COLOR_GRAYTEXT */
235 "ButtonText", /* COLOR_BTNTEXT */
236 "InactiveTitleText", /* COLOR_INACTIVECAPTIONTEXT */
237 "ButtonHilight", /* COLOR_BTNHIGHLIGHT */
238 "ButtonDkShadow", /* COLOR_3DDKSHADOW */
239 "ButtonLight", /* COLOR_3DLIGHT */
240 "InfoText", /* COLOR_INFOTEXT */
241 "InfoWindow", /* COLOR_INFOBK */
242 "ButtonAlternateFace", /* COLOR_ALTERNATEBTNFACE */
243 "HotTrackingColor", /* COLOR_HOTLIGHT */
244 "GradientActiveTitle", /* COLOR_GRADIENTACTIVECAPTION */
245 "GradientInactiveTitle", /* COLOR_GRADIENTINACTIVECAPTION */
246 "MenuHilight", /* COLOR_MENUHILIGHT */
247 "MenuBar", /* COLOR_MENUBAR */
248 };
249 static const WCHAR strColorKey[] =
250 { 'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\',
251 'C','o','l','o','r','s',0 };
252 static const WCHAR keyFlatMenus[] = { 'F','l','a','t','M','e','n','u', 0};
253 static const WCHAR keyGradientCaption[] = { 'G','r','a','d','i','e','n','t',
254 'C','a','p','t','i','o','n', 0 };
255 static const WCHAR keyNonClientMetrics[] = { 'N','o','n','C','l','i','e','n','t',
256 'M','e','t','r','i','c','s',0 };
257 static const WCHAR keyIconTitleFont[] = { 'I','c','o','n','T','i','t','l','e',
258 'F','o','n','t',0 };
259
260 static const struct BackupSysParam
261 {
262 int spiGet, spiSet;
263 const WCHAR* keyName;
264 } backupSysParams[] =
265 {
266 {SPI_GETFLATMENU, SPI_SETFLATMENU, keyFlatMenus},
267 {SPI_GETGRADIENTCAPTIONS, SPI_SETGRADIENTCAPTIONS, keyGradientCaption},
268 {-1, -1, 0}
269 };
270
271 #define NUM_SYS_COLORS (COLOR_MENUBAR+1)
272
273 static void save_sys_colors (HKEY baseKey)
274 {
275 char colorStr[13];
276 HKEY hKey;
277 int i;
278
279 if (RegCreateKeyExW( baseKey, strColorKey,
280 0, 0, 0, KEY_ALL_ACCESS,
281 0, &hKey, 0 ) == ERROR_SUCCESS)
282 {
283 for (i = 0; i < NUM_SYS_COLORS; i++)
284 {
285 COLORREF col = GetSysColor (i);
286
287 sprintf (colorStr, "%d %d %d",
288 GetRValue (col), GetGValue (col), GetBValue (col));
289
290 RegSetValueExA (hKey, SysColorsNames[i], 0, REG_SZ,
291 (BYTE*)colorStr, strlen (colorStr)+1);
292 }
293 RegCloseKey (hKey);
294 }
295 }
296
297 /* Before activating a theme, query current system colors, certain settings
298 * and backup them in the registry, so they can be restored when the theme
299 * is deactivated */
300 static void UXTHEME_BackupSystemMetrics(void)
301 {
302 HKEY hKey;
303 const struct BackupSysParam* bsp = backupSysParams;
304
305 if (RegCreateKeyExW( HKEY_CURRENT_USER, szThemeManager,
306 0, 0, 0, KEY_ALL_ACCESS,
307 0, &hKey, 0) == ERROR_SUCCESS)
308 {
309 NONCLIENTMETRICSW ncm;
310 LOGFONTW iconTitleFont;
311
312 /* back up colors */
313 save_sys_colors (hKey);
314
315 /* back up "other" settings */
316 while (bsp->spiGet >= 0)
317 {
318 DWORD value;
319
320 SystemParametersInfoW (bsp->spiGet, 0, &value, 0);
321 RegSetValueExW (hKey, bsp->keyName, 0, REG_DWORD,
322 (LPBYTE)&value, sizeof (value));
323
324 bsp++;
325 }
326
327 /* back up non-client metrics */
328 memset (&ncm, 0, sizeof (ncm));
329 ncm.cbSize = sizeof (ncm);
330 SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, sizeof (ncm), &ncm, 0);
331 RegSetValueExW (hKey, keyNonClientMetrics, 0, REG_BINARY, (LPBYTE)&ncm,
332 sizeof (ncm));
333 memset (&iconTitleFont, 0, sizeof (iconTitleFont));
334 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof (iconTitleFont),
335 &iconTitleFont, 0);
336 RegSetValueExW (hKey, keyIconTitleFont, 0, REG_BINARY,
337 (LPBYTE)&iconTitleFont, sizeof (iconTitleFont));
338
339 RegCloseKey (hKey);
340 }
341 }
342
343 /* Read back old settings after a theme was deactivated */
344 static void UXTHEME_RestoreSystemMetrics(void)
345 {
346 HKEY hKey;
347 const struct BackupSysParam* bsp = backupSysParams;
348
349 if (RegOpenKeyExW (HKEY_CURRENT_USER, szThemeManager,
350 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
351 {
352 HKEY colorKey;
353
354 /* read backed-up colors */
355 if (RegOpenKeyExW (hKey, strColorKey,
356 0, KEY_QUERY_VALUE, &colorKey) == ERROR_SUCCESS)
357 {
358 int i;
359 COLORREF sysCols[NUM_SYS_COLORS];
360 int sysColsIndices[NUM_SYS_COLORS];
361 int sysColCount = 0;
362
363 for (i = 0; i < NUM_SYS_COLORS; i++)
364 {
365 DWORD type;
366 char colorStr[13];
367 DWORD count = sizeof(colorStr);
368
369 if (RegQueryValueExA (colorKey, SysColorsNames[i], 0,
370 &type, (LPBYTE) colorStr, &count) == ERROR_SUCCESS)
371 {
372 int r, g, b;
373 if (sscanf (colorStr, "%d %d %d", &r, &g, &b) == 3)
374 {
375 sysColsIndices[sysColCount] = i;
376 sysCols[sysColCount] = RGB(r, g, b);
377 sysColCount++;
378 }
379 }
380 }
381 RegCloseKey (colorKey);
382
383 SetSysColors (sysColCount, sysColsIndices, sysCols);
384 }
385
386 /* read backed-up other settings */
387 while (bsp->spiGet >= 0)
388 {
389 DWORD value;
390 DWORD count = sizeof(value);
391 DWORD type;
392
393 if (RegQueryValueExW (hKey, bsp->keyName, 0,
394 &type, (LPBYTE)&value, &count) == ERROR_SUCCESS)
395 {
396 SystemParametersInfoW (bsp->spiSet, 0, UlongToPtr(value), SPIF_UPDATEINIFILE);
397 }
398
399 bsp++;
400 }
401
402 /* read backed-up non-client metrics */
403 {
404 NONCLIENTMETRICSW ncm;
405 LOGFONTW iconTitleFont;
406 DWORD count = sizeof(ncm);
407 DWORD type;
408
409 if (RegQueryValueExW (hKey, keyNonClientMetrics, 0,
410 &type, (LPBYTE)&ncm, &count) == ERROR_SUCCESS)
411 {
412 SystemParametersInfoW (SPI_SETNONCLIENTMETRICS,
413 count, &ncm, SPIF_UPDATEINIFILE);
414 }
415
416 count = sizeof(iconTitleFont);
417
418 if (RegQueryValueExW (hKey, keyIconTitleFont, 0,
419 &type, (LPBYTE)&iconTitleFont, &count) == ERROR_SUCCESS)
420 {
421 SystemParametersInfoW (SPI_SETICONTITLELOGFONT,
422 count, &iconTitleFont, SPIF_UPDATEINIFILE);
423 }
424 }
425
426 RegCloseKey (hKey);
427 }
428 }
429
430 /* Make system settings persistent, so they're in effect even w/o uxtheme
431 * loaded.
432 * For efficiency reasons, only the last SystemParametersInfoW sets
433 * SPIF_SENDWININICHANGE */
434 static void UXTHEME_SaveSystemMetrics(void)
435 {
436 const struct BackupSysParam* bsp = backupSysParams;
437 NONCLIENTMETRICSW ncm;
438 LOGFONTW iconTitleFont;
439
440 save_sys_colors (HKEY_CURRENT_USER);
441
442 while (bsp->spiGet >= 0)
443 {
444 DWORD value;
445
446 SystemParametersInfoW (bsp->spiGet, 0, &value, 0);
447 SystemParametersInfoW (bsp->spiSet, 0, UlongToPtr(value), SPIF_UPDATEINIFILE);
448 bsp++;
449 }
450
451 memset (&ncm, 0, sizeof (ncm));
452 ncm.cbSize = sizeof (ncm);
453 SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, sizeof (ncm), &ncm, 0);
454 SystemParametersInfoW (SPI_SETNONCLIENTMETRICS, sizeof (ncm), &ncm,
455 SPIF_UPDATEINIFILE);
456
457 memset (&iconTitleFont, 0, sizeof (iconTitleFont));
458 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof (iconTitleFont),
459 &iconTitleFont, 0);
460 SystemParametersInfoW (SPI_SETICONTITLELOGFONT, sizeof (iconTitleFont),
461 &iconTitleFont, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
462 }
463
464 /***********************************************************************
465 * UXTHEME_SetActiveTheme
466 *
467 * Change the current active theme
468 */
469 static HRESULT UXTHEME_SetActiveTheme(PTHEME_FILE tf)
470 {
471 HKEY hKey;
472 WCHAR tmp[2];
473 HRESULT hr;
474
475 if(tf && !bThemeActive) UXTHEME_BackupSystemMetrics();
476 hr = MSSTYLES_SetActiveTheme(tf, TRUE);
477 if(FAILED(hr))
478 return hr;
479 if(tf) {
480 bThemeActive = TRUE;
481 lstrcpynW(szCurrentTheme, tf->szThemeFile, sizeof(szCurrentTheme)/sizeof(szCurrentTheme[0]));
482 lstrcpynW(szCurrentColor, tf->pszSelectedColor, sizeof(szCurrentColor)/sizeof(szCurrentColor[0]));
483 lstrcpynW(szCurrentSize, tf->pszSelectedSize, sizeof(szCurrentSize)/sizeof(szCurrentSize[0]));
484 }
485 else {
486 UXTHEME_RestoreSystemMetrics();
487 bThemeActive = FALSE;
488 szCurrentTheme[0] = '\0';
489 szCurrentColor[0] = '\0';
490 szCurrentSize[0] = '\0';
491 }
492
493 TRACE("Writing theme config to registry\n");
494 if(!RegCreateKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
495 tmp[0] = bThemeActive?'1':'0';
496 tmp[1] = '\0';
497 RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (const BYTE*)tmp, sizeof(WCHAR)*2);
498 if(bThemeActive) {
499 RegSetValueExW(hKey, szColorName, 0, REG_SZ, (const BYTE*)szCurrentColor,
500 (lstrlenW(szCurrentColor)+1)*sizeof(WCHAR));
501 RegSetValueExW(hKey, szSizeName, 0, REG_SZ, (const BYTE*)szCurrentSize,
502 (lstrlenW(szCurrentSize)+1)*sizeof(WCHAR));
503 RegSetValueExW(hKey, szDllName, 0, REG_SZ, (const BYTE*)szCurrentTheme,
504 (lstrlenW(szCurrentTheme)+1)*sizeof(WCHAR));
505 }
506 else {
507 RegDeleteValueW(hKey, szColorName);
508 RegDeleteValueW(hKey, szSizeName);
509 RegDeleteValueW(hKey, szDllName);
510
511 }
512 RegCloseKey(hKey);
513 }
514 else
515 TRACE("Failed to open theme registry key\n");
516
517 UXTHEME_SaveSystemMetrics ();
518
519 return hr;
520 }
521
522 /***********************************************************************
523 * UXTHEME_InitSystem
524 */
525 void UXTHEME_InitSystem(HINSTANCE hInst)
526 {
527 static const WCHAR szWindowTheme[] = {
528 'u','x','_','t','h','e','m','e','\0'
529 };
530 static const WCHAR szSubAppName[] = {
531 'u','x','_','s','u','b','a','p','p','\0'
532 };
533 static const WCHAR szSubIdList[] = {
534 'u','x','_','s','u','b','i','d','l','s','t','\0'
535 };
536 static const WCHAR szDialogThemeEnabled[] = {
537 'u','x','_','d','i','a','l','o','g','t','h','e','m','e','\0'
538 };
539
540 hDllInst = hInst;
541
542 atWindowTheme = GlobalAddAtomW(szWindowTheme);
543 atSubAppName = GlobalAddAtomW(szSubAppName);
544 atSubIdList = GlobalAddAtomW(szSubIdList);
545 atDialogThemeEnabled = GlobalAddAtomW(szDialogThemeEnabled);
546
547 UXTHEME_LoadTheme();
548 }
549
550 /***********************************************************************
551 * IsAppThemed (UXTHEME.@)
552 */
553 BOOL WINAPI IsAppThemed(void)
554 {
555 return IsThemeActive();
556 }
557
558 /***********************************************************************
559 * IsThemeActive (UXTHEME.@)
560 */
561 BOOL WINAPI IsThemeActive(void)
562 {
563 TRACE("\n");
564 SetLastError(ERROR_SUCCESS);
565 return bThemeActive;
566 }
567
568 /***********************************************************************
569 * EnableTheming (UXTHEME.@)
570 *
571 * NOTES
572 * This is a global and persistent change
573 */
574 HRESULT WINAPI EnableTheming(BOOL fEnable)
575 {
576 HKEY hKey;
577 WCHAR szEnabled[] = {'0','\0'};
578
579 TRACE("(%d)\n", fEnable);
580
581 if(fEnable != bThemeActive) {
582 if(fEnable)
583 UXTHEME_BackupSystemMetrics();
584 else
585 UXTHEME_RestoreSystemMetrics();
586 UXTHEME_SaveSystemMetrics ();
587 bThemeActive = fEnable;
588 if(bThemeActive) szEnabled[0] = '1';
589 if(!RegOpenKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
590 RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (LPBYTE)szEnabled, sizeof(WCHAR));
591 RegCloseKey(hKey);
592 }
593 UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
594 }
595 return S_OK;
596 }
597
598 /***********************************************************************
599 * UXTHEME_SetWindowProperty
600 *
601 * I'm using atoms as there may be large numbers of duplicated strings
602 * and they do the work of keeping memory down as a cause of that quite nicely
603 */
604 static HRESULT UXTHEME_SetWindowProperty(HWND hwnd, ATOM aProp, LPCWSTR pszValue)
605 {
606 ATOM oldValue = (ATOM)(size_t)RemovePropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp));
607 if(oldValue)
608 DeleteAtom(oldValue);
609 if(pszValue) {
610 ATOM atValue = AddAtomW(pszValue);
611 if(!atValue
612 || !SetPropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp), (LPWSTR)MAKEINTATOM(atValue))) {
613 HRESULT hr = HRESULT_FROM_WIN32(GetLastError());
614 if(atValue) DeleteAtom(atValue);
615 return hr;
616 }
617 }
618 return S_OK;
619 }
620
621 static LPWSTR UXTHEME_GetWindowProperty(HWND hwnd, ATOM aProp, LPWSTR pszBuffer, int dwLen)
622 {
623 ATOM atValue = (ATOM)(size_t)GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp));
624 if(atValue) {
625 if(GetAtomNameW(atValue, pszBuffer, dwLen))
626 return pszBuffer;
627 TRACE("property defined, but unable to get value\n");
628 }
629 return NULL;
630 }
631
632 /***********************************************************************
633 * OpenThemeData (UXTHEME.@)
634 */
635 HTHEME WINAPI OpenThemeData(HWND hwnd, LPCWSTR pszClassList)
636 {
637 WCHAR szAppBuff[256];
638 WCHAR szClassBuff[256];
639 LPCWSTR pszAppName;
640 LPCWSTR pszUseClassList;
641 HTHEME hTheme = NULL;
642 TRACE("(%p,%s)\n", hwnd, debugstr_w(pszClassList));
643
644 if(bThemeActive)
645 {
646 pszAppName = UXTHEME_GetWindowProperty(hwnd, atSubAppName, szAppBuff, sizeof(szAppBuff)/sizeof(szAppBuff[0]));
647 /* If SetWindowTheme was used on the window, that overrides the class list passed to this function */
648 pszUseClassList = UXTHEME_GetWindowProperty(hwnd, atSubIdList, szClassBuff, sizeof(szClassBuff)/sizeof(szClassBuff[0]));
649 if(!pszUseClassList)
650 pszUseClassList = pszClassList;
651
652 if (pszUseClassList)
653 hTheme = MSSTYLES_OpenThemeClass(pszAppName, pszUseClassList);
654 }
655 if(IsWindow(hwnd))
656 SetPropW(hwnd, (LPCWSTR)MAKEINTATOM(atWindowTheme), hTheme);
657 TRACE(" = %p\n", hTheme);
658 return hTheme;
659 }
660
661 /***********************************************************************
662 * GetWindowTheme (UXTHEME.@)
663 *
664 * Retrieve the last theme opened for a window.
665 *
666 * PARAMS
667 * hwnd [I] window to retrieve the theme for
668 *
669 * RETURNS
670 * The most recent theme.
671 */
672 HTHEME WINAPI GetWindowTheme(HWND hwnd)
673 {
674 TRACE("(%p)\n", hwnd);
675 return GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(atWindowTheme));
676 }
677
678 /***********************************************************************
679 * SetWindowTheme (UXTHEME.@)
680 *
681 * Persistent through the life of the window, even after themes change
682 */
683 HRESULT WINAPI SetWindowTheme(HWND hwnd, LPCWSTR pszSubAppName,
684 LPCWSTR pszSubIdList)
685 {
686 HRESULT hr;
687 TRACE("(%p,%s,%s)\n", hwnd, debugstr_w(pszSubAppName),
688 debugstr_w(pszSubIdList));
689 hr = UXTHEME_SetWindowProperty(hwnd, atSubAppName, pszSubAppName);
690 if(SUCCEEDED(hr))
691 hr = UXTHEME_SetWindowProperty(hwnd, atSubIdList, pszSubIdList);
692 if(SUCCEEDED(hr))
693 UXTHEME_broadcast_msg (hwnd, WM_THEMECHANGED);
694 return hr;
695 }
696
697 /***********************************************************************
698 * GetCurrentThemeName (UXTHEME.@)
699 */
700 HRESULT WINAPI GetCurrentThemeName(LPWSTR pszThemeFileName, int dwMaxNameChars,
701 LPWSTR pszColorBuff, int cchMaxColorChars,
702 LPWSTR pszSizeBuff, int cchMaxSizeChars)
703 {
704 if(!bThemeActive)
705 return E_PROP_ID_UNSUPPORTED;
706 if(pszThemeFileName) lstrcpynW(pszThemeFileName, szCurrentTheme, dwMaxNameChars);
707 if(pszColorBuff) lstrcpynW(pszColorBuff, szCurrentColor, cchMaxColorChars);
708 if(pszSizeBuff) lstrcpynW(pszSizeBuff, szCurrentSize, cchMaxSizeChars);
709 return S_OK;
710 }
711
712 /***********************************************************************
713 * GetThemeAppProperties (UXTHEME.@)
714 */
715 DWORD WINAPI GetThemeAppProperties(void)
716 {
717 return dwThemeAppProperties;
718 }
719
720 /***********************************************************************
721 * SetThemeAppProperties (UXTHEME.@)
722 */
723 void WINAPI SetThemeAppProperties(DWORD dwFlags)
724 {
725 TRACE("(0x%08x)\n", dwFlags);
726 dwThemeAppProperties = dwFlags;
727 }
728
729 /***********************************************************************
730 * CloseThemeData (UXTHEME.@)
731 */
732 HRESULT WINAPI CloseThemeData(HTHEME hTheme)
733 {
734 TRACE("(%p)\n", hTheme);
735 if(!hTheme)
736 return E_HANDLE;
737 return MSSTYLES_CloseThemeClass(hTheme);
738 }
739
740 /***********************************************************************
741 * HitTestThemeBackground (UXTHEME.@)
742 */
743 HRESULT WINAPI HitTestThemeBackground(HTHEME hTheme, HDC hdc, int iPartId,
744 int iStateId, DWORD dwOptions,
745 const RECT *pRect, HRGN hrgn,
746 POINT ptTest, WORD *pwHitTestCode)
747 {
748 FIXME("%d %d 0x%08x: stub\n", iPartId, iStateId, dwOptions);
749 if(!hTheme)
750 return E_HANDLE;
751 return ERROR_CALL_NOT_IMPLEMENTED;
752 }
753
754 /***********************************************************************
755 * IsThemePartDefined (UXTHEME.@)
756 */
757 BOOL WINAPI IsThemePartDefined(HTHEME hTheme, int iPartId, int iStateId)
758 {
759 TRACE("(%p,%d,%d)\n", hTheme, iPartId, iStateId);
760 if(!hTheme) {
761 SetLastError(E_HANDLE);
762 return FALSE;
763 }
764 if(MSSTYLES_FindPartState(hTheme, iPartId, iStateId, NULL))
765 return TRUE;
766 return FALSE;
767 }
768
769 /***********************************************************************
770 * GetThemeDocumentationProperty (UXTHEME.@)
771 *
772 * Try and retrieve the documentation property from string resources
773 * if that fails, get it from the [documentation] section of themes.ini
774 */
775 HRESULT WINAPI GetThemeDocumentationProperty(LPCWSTR pszThemeName,
776 LPCWSTR pszPropertyName,
777 LPWSTR pszValueBuff,
778 int cchMaxValChars)
779 {
780 const WORD wDocToRes[] = {
781 TMT_DISPLAYNAME,5000,
782 TMT_TOOLTIP,5001,
783 TMT_COMPANY,5002,
784 TMT_AUTHOR,5003,
785 TMT_COPYRIGHT,5004,
786 TMT_URL,5005,
787 TMT_VERSION,5006,
788 TMT_DESCRIPTION,5007
789 };
790
791 PTHEME_FILE pt;
792 HRESULT hr;
793 unsigned int i;
794 int iDocId;
795 TRACE("(%s,%s,%p,%d)\n", debugstr_w(pszThemeName), debugstr_w(pszPropertyName),
796 pszValueBuff, cchMaxValChars);
797
798 hr = MSSTYLES_OpenThemeFile(pszThemeName, NULL, NULL, &pt);
799 if(FAILED(hr)) return hr;
800
801 /* Try to load from string resources */
802 hr = E_PROP_ID_UNSUPPORTED;
803 if(MSSTYLES_LookupProperty(pszPropertyName, NULL, &iDocId)) {
804 for(i=0; i<sizeof(wDocToRes)/sizeof(wDocToRes[0]); i+=2) {
805 if(wDocToRes[i] == iDocId) {
806 if(LoadStringW(pt->hTheme, wDocToRes[i+1], pszValueBuff, cchMaxValChars)) {
807 hr = S_OK;
808 break;
809 }
810 }
811 }
812 }
813 /* If loading from string resource failed, try getting it from the theme.ini */
814 if(FAILED(hr)) {
815 PUXINI_FILE uf = MSSTYLES_GetThemeIni(pt);
816 if(UXINI_FindSection(uf, szIniDocumentation)) {
817 LPCWSTR lpValue;
818 DWORD dwLen;
819 if(UXINI_FindValue(uf, pszPropertyName, &lpValue, &dwLen)) {
820 lstrcpynW(pszValueBuff, lpValue, min(dwLen+1,cchMaxValChars));
821 hr = S_OK;
822 }
823 }
824 UXINI_CloseINI(uf);
825 }
826
827 MSSTYLES_CloseThemeFile(pt);
828 return hr;
829 }
830
831 /**********************************************************************
832 * Undocumented functions
833 */
834
835 /**********************************************************************
836 * QueryThemeServices (UXTHEME.1)
837 *
838 * RETURNS
839 * some kind of status flag
840 */
841 DWORD WINAPI QueryThemeServices(void)
842 {
843 FIXME("stub\n");
844 return 3; /* This is what is returned under XP in most cases */
845 }
846
847
848 /**********************************************************************
849 * OpenThemeFile (UXTHEME.2)
850 *
851 * Opens a theme file, which can be used to change the current theme, etc
852 *
853 * PARAMS
854 * pszThemeFileName Path to a msstyles theme file
855 * pszColorName Color defined in the theme, eg. NormalColor
856 * pszSizeName Size defined in the theme, eg. NormalSize
857 * hThemeFile Handle to theme file
858 *
859 * RETURNS
860 * Success: S_OK
861 * Failure: HRESULT error-code
862 */
863 HRESULT WINAPI OpenThemeFile(LPCWSTR pszThemeFileName, LPCWSTR pszColorName,
864 LPCWSTR pszSizeName, HTHEMEFILE *hThemeFile,
865 DWORD unknown)
866 {
867 TRACE("(%s,%s,%s,%p,%d)\n", debugstr_w(pszThemeFileName),
868 debugstr_w(pszColorName), debugstr_w(pszSizeName),
869 hThemeFile, unknown);
870 return MSSTYLES_OpenThemeFile(pszThemeFileName, pszColorName, pszSizeName, (PTHEME_FILE*)hThemeFile);
871 }
872
873 /**********************************************************************
874 * CloseThemeFile (UXTHEME.3)
875 *
876 * Releases theme file handle returned by OpenThemeFile
877 *
878 * PARAMS
879 * hThemeFile Handle to theme file
880 *
881 * RETURNS
882 * Success: S_OK
883 * Failure: HRESULT error-code
884 */
885 HRESULT WINAPI CloseThemeFile(HTHEMEFILE hThemeFile)
886 {
887 TRACE("(%p)\n", hThemeFile);
888 MSSTYLES_CloseThemeFile(hThemeFile);
889 return S_OK;
890 }
891
892 /**********************************************************************
893 * ApplyTheme (UXTHEME.4)
894 *
895 * Set a theme file to be the currently active theme
896 *
897 * PARAMS
898 * hThemeFile Handle to theme file
899 * unknown See notes
900 * hWnd Window requesting the theme change
901 *
902 * RETURNS
903 * Success: S_OK
904 * Failure: HRESULT error-code
905 *
906 * NOTES
907 * I'm not sure what the second parameter is (the datatype is likely wrong), other then this:
908 * Under XP if I pass
909 * char b[] = "";
910 * the theme is applied with the screen redrawing really badly (flickers)
911 * char b[] = "\0"; where \0 can be one or more of any character, makes no difference
912 * the theme is applied smoothly (screen does not flicker)
913 * char *b = "\0" or NULL; where \0 can be zero or more of any character, makes no difference
914 * the function fails returning invalid parameter... very strange
915 */
916 HRESULT WINAPI ApplyTheme(HTHEMEFILE hThemeFile, char *unknown, HWND hWnd)
917 {
918 HRESULT hr;
919 TRACE("(%p,%s,%p)\n", hThemeFile, unknown, hWnd);
920 hr = UXTHEME_SetActiveTheme(hThemeFile);
921 UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
922 return hr;
923 }
924
925 /**********************************************************************
926 * GetThemeDefaults (UXTHEME.7)
927 *
928 * Get the default color & size for a theme
929 *
930 * PARAMS
931 * pszThemeFileName Path to a msstyles theme file
932 * pszColorName Buffer to receive the default color name
933 * dwColorNameLen Length, in characters, of color name buffer
934 * pszSizeName Buffer to receive the default size name
935 * dwSizeNameLen Length, in characters, of size name buffer
936 *
937 * RETURNS
938 * Success: S_OK
939 * Failure: HRESULT error-code
940 */
941 HRESULT WINAPI GetThemeDefaults(LPCWSTR pszThemeFileName, LPWSTR pszColorName,
942 DWORD dwColorNameLen, LPWSTR pszSizeName,
943 DWORD dwSizeNameLen)
944 {
945 PTHEME_FILE pt;
946 HRESULT hr;
947 TRACE("(%s,%p,%d,%p,%d)\n", debugstr_w(pszThemeFileName),
948 pszColorName, dwColorNameLen,
949 pszSizeName, dwSizeNameLen);
950
951 hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, NULL, &pt);
952 if(FAILED(hr)) return hr;
953
954 lstrcpynW(pszColorName, pt->pszSelectedColor, dwColorNameLen);
955 lstrcpynW(pszSizeName, pt->pszSelectedSize, dwSizeNameLen);
956
957 MSSTYLES_CloseThemeFile(pt);
958 return S_OK;
959 }
960
961 /**********************************************************************
962 * EnumThemes (UXTHEME.8)
963 *
964 * Enumerate available themes, calls specified EnumThemeProc for each
965 * theme found. Passes lpData through to callback function.
966 *
967 * PARAMS
968 * pszThemePath Path containing themes
969 * callback Called for each theme found in path
970 * lpData Passed through to callback
971 *
972 * RETURNS
973 * Success: S_OK
974 * Failure: HRESULT error-code
975 */
976 HRESULT WINAPI EnumThemes(LPCWSTR pszThemePath, EnumThemeProc callback,
977 LPVOID lpData)
978 {
979 WCHAR szDir[MAX_PATH];
980 WCHAR szPath[MAX_PATH];
981 static const WCHAR szStar[] = {'*','.','*','\0'};
982 static const WCHAR szFormat[] = {'%','s','%','s','\\','%','s','.','m','s','s','t','y','l','e','s','\0'};
983 static const WCHAR szDisplayName[] = {'d','i','s','p','l','a','y','n','a','m','e','\0'};
984 static const WCHAR szTooltip[] = {'t','o','o','l','t','i','p','\0'};
985 WCHAR szName[60];
986 WCHAR szTip[60];
987 HANDLE hFind;
988 WIN32_FIND_DATAW wfd;
989 HRESULT hr;
990 size_t pathLen;
991
992 TRACE("(%s,%p,%p)\n", debugstr_w(pszThemePath), callback, lpData);
993
994 if(!pszThemePath || !callback)
995 return E_POINTER;
996
997 lstrcpyW(szDir, pszThemePath);
998 pathLen = lstrlenW (szDir);
999 if ((pathLen > 0) && (pathLen < MAX_PATH-1) && (szDir[pathLen - 1] != '\\'))
1000 {
1001 szDir[pathLen] = '\\';
1002 szDir[pathLen+1] = 0;
1003 }
1004
1005 lstrcpyW(szPath, szDir);
1006 lstrcatW(szPath, szStar);
1007 TRACE("searching %s\n", debugstr_w(szPath));
1008
1009 hFind = FindFirstFileW(szPath, &wfd);
1010 if(hFind != INVALID_HANDLE_VALUE) {
1011 do {
1012 if(wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
1013 && !(wfd.cFileName[0] == '.' && ((wfd.cFileName[1] == '.' && wfd.cFileName[2] == 0) || wfd.cFileName[1] == 0))) {
1014 wsprintfW(szPath, szFormat, szDir, wfd.cFileName, wfd.cFileName);
1015
1016 hr = GetThemeDocumentationProperty(szPath, szDisplayName, szName, sizeof(szName)/sizeof(szName[0]));
1017 if(SUCCEEDED(hr))
1018 hr = GetThemeDocumentationProperty(szPath, szTooltip, szTip, sizeof(szTip)/sizeof(szTip[0]));
1019 if(SUCCEEDED(hr)) {
1020 TRACE("callback(%s,%s,%s,%p)\n", debugstr_w(szPath), debugstr_w(szName), debugstr_w(szTip), lpData);
1021 if(!callback(NULL, szPath, szName, szTip, NULL, lpData)) {
1022 TRACE("callback ended enum\n");
1023 break;
1024 }
1025 }
1026 }
1027 } while(FindNextFileW(hFind, &wfd));
1028 FindClose(hFind);
1029 }
1030 return S_OK;
1031 }
1032
1033
1034 /**********************************************************************
1035 * EnumThemeColors (UXTHEME.9)
1036 *
1037 * Enumerate theme colors available with a particular size
1038 *
1039 * PARAMS
1040 * pszThemeFileName Path to a msstyles theme file
1041 * pszSizeName Theme size to enumerate available colors
1042 * If NULL the default theme size is used
1043 * dwColorNum Color index to retrieve, increment from 0
1044 * pszColorNames Output color names
1045 *
1046 * RETURNS
1047 * S_OK on success
1048 * E_PROP_ID_UNSUPPORTED when dwColorName does not refer to a color
1049 * or when pszSizeName does not refer to a valid size
1050 *
1051 * NOTES
1052 * XP fails with E_POINTER when pszColorNames points to a buffer smaller than
1053 * sizeof(THEMENAMES).
1054 *
1055 * Not very efficient that I'm opening & validating the theme every call, but
1056 * this is undocumented and almost never called..
1057 * (and this is how windows works too)
1058 */
1059 HRESULT WINAPI EnumThemeColors(LPWSTR pszThemeFileName, LPWSTR pszSizeName,
1060 DWORD dwColorNum, PTHEMENAMES pszColorNames)
1061 {
1062 PTHEME_FILE pt;
1063 HRESULT hr;
1064 LPWSTR tmp;
1065 UINT resourceId = dwColorNum + 1000;
1066 TRACE("(%s,%s,%d)\n", debugstr_w(pszThemeFileName),
1067 debugstr_w(pszSizeName), dwColorNum);
1068
1069 hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, pszSizeName, &pt);
1070 if(FAILED(hr)) return hr;
1071
1072 tmp = pt->pszAvailColors;
1073 while(dwColorNum && *tmp) {
1074 dwColorNum--;
1075 tmp += lstrlenW(tmp)+1;
1076 }
1077 if(!dwColorNum && *tmp) {
1078 TRACE("%s\n", debugstr_w(tmp));
1079 lstrcpyW(pszColorNames->szName, tmp);
1080 LoadStringW (pt->hTheme, resourceId,
1081 pszColorNames->szDisplayName,
1082 sizeof (pszColorNames->szDisplayName) / sizeof (WCHAR));
1083 LoadStringW (pt->hTheme, resourceId+1000,
1084 pszColorNames->szTooltip,
1085 sizeof (pszColorNames->szTooltip) / sizeof (WCHAR));
1086 }
1087 else
1088 hr = E_PROP_ID_UNSUPPORTED;
1089
1090 MSSTYLES_CloseThemeFile(pt);
1091 return hr;
1092 }
1093
1094 /**********************************************************************
1095 * EnumThemeSizes (UXTHEME.10)
1096 *
1097 * Enumerate theme colors available with a particular size
1098 *
1099 * PARAMS
1100 * pszThemeFileName Path to a msstyles theme file
1101 * pszColorName Theme color to enumerate available sizes
1102 * If NULL the default theme color is used
1103 * dwSizeNum Size index to retrieve, increment from 0
1104 * pszSizeNames Output size names
1105 *
1106 * RETURNS
1107 * S_OK on success
1108 * E_PROP_ID_UNSUPPORTED when dwSizeName does not refer to a size
1109 * or when pszColorName does not refer to a valid color
1110 *
1111 * NOTES
1112 * XP fails with E_POINTER when pszSizeNames points to a buffer smaller than
1113 * sizeof(THEMENAMES).
1114 *
1115 * Not very efficient that I'm opening & validating the theme every call, but
1116 * this is undocumented and almost never called..
1117 * (and this is how windows works too)
1118 */
1119 HRESULT WINAPI EnumThemeSizes(LPWSTR pszThemeFileName, LPWSTR pszColorName,
1120 DWORD dwSizeNum, PTHEMENAMES pszSizeNames)
1121 {
1122 PTHEME_FILE pt;
1123 HRESULT hr;
1124 LPWSTR tmp;
1125 UINT resourceId = dwSizeNum + 3000;
1126 TRACE("(%s,%s,%d)\n", debugstr_w(pszThemeFileName),
1127 debugstr_w(pszColorName), dwSizeNum);
1128
1129 hr = MSSTYLES_OpenThemeFile(pszThemeFileName, pszColorName, NULL, &pt);
1130 if(FAILED(hr)) return hr;
1131
1132 tmp = pt->pszAvailSizes;
1133 while(dwSizeNum && *tmp) {
1134 dwSizeNum--;
1135 tmp += lstrlenW(tmp)+1;
1136 }
1137 if(!dwSizeNum && *tmp) {
1138 TRACE("%s\n", debugstr_w(tmp));
1139 lstrcpyW(pszSizeNames->szName, tmp);
1140 LoadStringW (pt->hTheme, resourceId,
1141 pszSizeNames->szDisplayName,
1142 sizeof (pszSizeNames->szDisplayName) / sizeof (WCHAR));
1143 LoadStringW (pt->hTheme, resourceId+1000,
1144 pszSizeNames->szTooltip,
1145 sizeof (pszSizeNames->szTooltip) / sizeof (WCHAR));
1146 }
1147 else
1148 hr = E_PROP_ID_UNSUPPORTED;
1149
1150 MSSTYLES_CloseThemeFile(pt);
1151 return hr;
1152 }
1153
1154 /**********************************************************************
1155 * ParseThemeIniFile (UXTHEME.11)
1156 *
1157 * Enumerate data in a theme INI file.
1158 *
1159 * PARAMS
1160 * pszIniFileName Path to a theme ini file
1161 * pszUnknown Cannot be NULL, L"" is valid
1162 * callback Called for each found entry
1163 * lpData Passed through to callback
1164 *
1165 * RETURNS
1166 * S_OK on success
1167 * 0x800706488 (Unknown property) when enumeration is canceled from callback
1168 *
1169 * NOTES
1170 * When pszUnknown is NULL the callback is never called, the value does not seem to serve
1171 * any other purpose
1172 */
1173 HRESULT WINAPI ParseThemeIniFile(LPCWSTR pszIniFileName, LPWSTR pszUnknown,
1174 ParseThemeIniFileProc callback, LPVOID lpData)
1175 {
1176 FIXME("%s %s: stub\n", debugstr_w(pszIniFileName), debugstr_w(pszUnknown));
1177 return ERROR_CALL_NOT_IMPLEMENTED;
1178 }
1179
1180 /**********************************************************************
1181 * CheckThemeSignature (UXTHEME.29)
1182 *
1183 * Validates the signature of a theme file
1184 *
1185 * PARAMS
1186 * pszIniFileName Path to a theme file
1187 *
1188 * RETURNS
1189 * Success: S_OK
1190 * Failure: HRESULT error-code
1191 */
1192 HRESULT WINAPI CheckThemeSignature(LPCWSTR pszThemeFileName)
1193 {
1194 PTHEME_FILE pt;
1195 HRESULT hr;
1196 TRACE("(%s)\n", debugstr_w(pszThemeFileName));
1197 hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, NULL, &pt);
1198 if(FAILED(hr))
1199 return hr;
1200 MSSTYLES_CloseThemeFile(pt);
1201 return S_OK;
1202 }