2839539372939221bee72b186777ad8460a30cc0
[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, (LPVOID)value,
397 SPIF_UPDATEINIFILE);
398 }
399
400 bsp++;
401 }
402
403 /* read backed-up non-client metrics */
404 {
405 NONCLIENTMETRICSW ncm;
406 LOGFONTW iconTitleFont;
407 DWORD count = sizeof(ncm);
408 DWORD type;
409
410 if (RegQueryValueExW (hKey, keyNonClientMetrics, 0,
411 &type, (LPBYTE)&ncm, &count) == ERROR_SUCCESS)
412 {
413 SystemParametersInfoW (SPI_SETNONCLIENTMETRICS,
414 count, &ncm, SPIF_UPDATEINIFILE);
415 }
416
417 count = sizeof(iconTitleFont);
418
419 if (RegQueryValueExW (hKey, keyIconTitleFont, 0,
420 &type, (LPBYTE)&iconTitleFont, &count) == ERROR_SUCCESS)
421 {
422 SystemParametersInfoW (SPI_SETICONTITLELOGFONT,
423 count, &iconTitleFont, SPIF_UPDATEINIFILE);
424 }
425 }
426
427 RegCloseKey (hKey);
428 }
429 }
430
431 /* Make system settings persistent, so they're in effect even w/o uxtheme
432 * loaded.
433 * For efficiency reasons, only the last SystemParametersInfoW sets
434 * SPIF_SENDWININICHANGE */
435 static void UXTHEME_SaveSystemMetrics(void)
436 {
437 const struct BackupSysParam* bsp = backupSysParams;
438 NONCLIENTMETRICSW ncm;
439 LOGFONTW iconTitleFont;
440
441 save_sys_colors (HKEY_CURRENT_USER);
442
443 while (bsp->spiGet >= 0)
444 {
445 DWORD value;
446
447 SystemParametersInfoW (bsp->spiGet, 0, &value, 0);
448 SystemParametersInfoW (bsp->spiSet, 0, (LPVOID)value,
449 SPIF_UPDATEINIFILE);
450
451 bsp++;
452 }
453
454 memset (&ncm, 0, sizeof (ncm));
455 ncm.cbSize = sizeof (ncm);
456 SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, sizeof (ncm), &ncm, 0);
457 SystemParametersInfoW (SPI_SETNONCLIENTMETRICS, sizeof (ncm), &ncm,
458 SPIF_UPDATEINIFILE);
459
460 memset (&iconTitleFont, 0, sizeof (iconTitleFont));
461 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof (iconTitleFont),
462 &iconTitleFont, 0);
463 SystemParametersInfoW (SPI_SETICONTITLELOGFONT, sizeof (iconTitleFont),
464 &iconTitleFont, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
465 }
466
467 /***********************************************************************
468 * UXTHEME_SetActiveTheme
469 *
470 * Change the current active theme
471 */
472 static HRESULT UXTHEME_SetActiveTheme(PTHEME_FILE tf)
473 {
474 HKEY hKey;
475 WCHAR tmp[2];
476 HRESULT hr;
477
478 if(tf && !bThemeActive) UXTHEME_BackupSystemMetrics();
479 hr = MSSTYLES_SetActiveTheme(tf, TRUE);
480 if(FAILED(hr))
481 return hr;
482 if(tf) {
483 bThemeActive = TRUE;
484 lstrcpynW(szCurrentTheme, tf->szThemeFile, sizeof(szCurrentTheme)/sizeof(szCurrentTheme[0]));
485 lstrcpynW(szCurrentColor, tf->pszSelectedColor, sizeof(szCurrentColor)/sizeof(szCurrentColor[0]));
486 lstrcpynW(szCurrentSize, tf->pszSelectedSize, sizeof(szCurrentSize)/sizeof(szCurrentSize[0]));
487 }
488 else {
489 UXTHEME_RestoreSystemMetrics();
490 bThemeActive = FALSE;
491 szCurrentTheme[0] = '\0';
492 szCurrentColor[0] = '\0';
493 szCurrentSize[0] = '\0';
494 }
495
496 TRACE("Writing theme config to registry\n");
497 if(!RegCreateKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
498 tmp[0] = bThemeActive?'1':'0';
499 tmp[1] = '\0';
500 RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (const BYTE*)tmp, sizeof(WCHAR)*2);
501 if(bThemeActive) {
502 RegSetValueExW(hKey, szColorName, 0, REG_SZ, (const BYTE*)szCurrentColor,
503 (lstrlenW(szCurrentColor)+1)*sizeof(WCHAR));
504 RegSetValueExW(hKey, szSizeName, 0, REG_SZ, (const BYTE*)szCurrentSize,
505 (lstrlenW(szCurrentSize)+1)*sizeof(WCHAR));
506 RegSetValueExW(hKey, szDllName, 0, REG_SZ, (const BYTE*)szCurrentTheme,
507 (lstrlenW(szCurrentTheme)+1)*sizeof(WCHAR));
508 }
509 else {
510 RegDeleteValueW(hKey, szColorName);
511 RegDeleteValueW(hKey, szSizeName);
512 RegDeleteValueW(hKey, szDllName);
513
514 }
515 RegCloseKey(hKey);
516 }
517 else
518 TRACE("Failed to open theme registry key\n");
519
520 UXTHEME_SaveSystemMetrics ();
521
522 return hr;
523 }
524
525 /***********************************************************************
526 * UXTHEME_InitSystem
527 */
528 void UXTHEME_InitSystem(HINSTANCE hInst)
529 {
530 static const WCHAR szWindowTheme[] = {
531 'u','x','_','t','h','e','m','e','\0'
532 };
533 static const WCHAR szSubAppName[] = {
534 'u','x','_','s','u','b','a','p','p','\0'
535 };
536 static const WCHAR szSubIdList[] = {
537 'u','x','_','s','u','b','i','d','l','s','t','\0'
538 };
539 static const WCHAR szDialogThemeEnabled[] = {
540 'u','x','_','d','i','a','l','o','g','t','h','e','m','e','\0'
541 };
542
543 hDllInst = hInst;
544
545 atWindowTheme = GlobalAddAtomW(szWindowTheme);
546 atSubAppName = GlobalAddAtomW(szSubAppName);
547 atSubIdList = GlobalAddAtomW(szSubIdList);
548 atDialogThemeEnabled = GlobalAddAtomW(szDialogThemeEnabled);
549
550 UXTHEME_LoadTheme();
551 }
552
553 /***********************************************************************
554 * IsAppThemed (UXTHEME.@)
555 */
556 BOOL WINAPI IsAppThemed(void)
557 {
558 return IsThemeActive();
559 }
560
561 /***********************************************************************
562 * IsThemeActive (UXTHEME.@)
563 */
564 BOOL WINAPI IsThemeActive(void)
565 {
566 TRACE("\n");
567 SetLastError(ERROR_SUCCESS);
568 return bThemeActive;
569 }
570
571 /***********************************************************************
572 * EnableTheming (UXTHEME.@)
573 *
574 * NOTES
575 * This is a global and persistent change
576 */
577 HRESULT WINAPI EnableTheming(BOOL fEnable)
578 {
579 HKEY hKey;
580 WCHAR szEnabled[] = {'0','\0'};
581
582 TRACE("(%d)\n", fEnable);
583
584 if(fEnable != bThemeActive) {
585 if(fEnable)
586 UXTHEME_BackupSystemMetrics();
587 else
588 UXTHEME_RestoreSystemMetrics();
589 UXTHEME_SaveSystemMetrics ();
590 bThemeActive = fEnable;
591 if(bThemeActive) szEnabled[0] = '1';
592 if(!RegOpenKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
593 RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (LPBYTE)szEnabled, sizeof(WCHAR));
594 RegCloseKey(hKey);
595 }
596 UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
597 }
598 return S_OK;
599 }
600
601 /***********************************************************************
602 * UXTHEME_SetWindowProperty
603 *
604 * I'm using atoms as there may be large numbers of duplicated strings
605 * and they do the work of keeping memory down as a cause of that quite nicely
606 */
607 static HRESULT UXTHEME_SetWindowProperty(HWND hwnd, ATOM aProp, LPCWSTR pszValue)
608 {
609 ATOM oldValue = (ATOM)(size_t)RemovePropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp));
610 if(oldValue)
611 DeleteAtom(oldValue);
612 if(pszValue) {
613 ATOM atValue = AddAtomW(pszValue);
614 if(!atValue
615 || !SetPropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp), (LPWSTR)MAKEINTATOM(atValue))) {
616 HRESULT hr = HRESULT_FROM_WIN32(GetLastError());
617 if(atValue) DeleteAtom(atValue);
618 return hr;
619 }
620 }
621 return S_OK;
622 }
623
624 static LPWSTR UXTHEME_GetWindowProperty(HWND hwnd, ATOM aProp, LPWSTR pszBuffer, int dwLen)
625 {
626 ATOM atValue = (ATOM)(size_t)GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(aProp));
627 if(atValue) {
628 if(GetAtomNameW(atValue, pszBuffer, dwLen))
629 return pszBuffer;
630 TRACE("property defined, but unable to get value\n");
631 }
632 return NULL;
633 }
634
635 /***********************************************************************
636 * OpenThemeData (UXTHEME.@)
637 */
638 HTHEME WINAPI OpenThemeData(HWND hwnd, LPCWSTR pszClassList)
639 {
640 WCHAR szAppBuff[256];
641 WCHAR szClassBuff[256];
642 LPCWSTR pszAppName;
643 LPCWSTR pszUseClassList;
644 HTHEME hTheme = NULL;
645 TRACE("(%p,%s)\n", hwnd, debugstr_w(pszClassList));
646
647 if(bThemeActive)
648 {
649 pszAppName = UXTHEME_GetWindowProperty(hwnd, atSubAppName, szAppBuff, sizeof(szAppBuff)/sizeof(szAppBuff[0]));
650 /* If SetWindowTheme was used on the window, that overrides the class list passed to this function */
651 pszUseClassList = UXTHEME_GetWindowProperty(hwnd, atSubIdList, szClassBuff, sizeof(szClassBuff)/sizeof(szClassBuff[0]));
652 if(!pszUseClassList)
653 pszUseClassList = pszClassList;
654
655 if (pszUseClassList)
656 hTheme = MSSTYLES_OpenThemeClass(pszAppName, pszUseClassList);
657 }
658 if(IsWindow(hwnd))
659 SetPropW(hwnd, (LPCWSTR)MAKEINTATOM(atWindowTheme), hTheme);
660 TRACE(" = %p\n", hTheme);
661 return hTheme;
662 }
663
664 /***********************************************************************
665 * GetWindowTheme (UXTHEME.@)
666 *
667 * Retrieve the last theme opened for a window.
668 *
669 * PARAMS
670 * hwnd [I] window to retrieve the theme for
671 *
672 * RETURNS
673 * The most recent theme.
674 */
675 HTHEME WINAPI GetWindowTheme(HWND hwnd)
676 {
677 TRACE("(%p)\n", hwnd);
678 return GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(atWindowTheme));
679 }
680
681 /***********************************************************************
682 * SetWindowTheme (UXTHEME.@)
683 *
684 * Persistent through the life of the window, even after themes change
685 */
686 HRESULT WINAPI SetWindowTheme(HWND hwnd, LPCWSTR pszSubAppName,
687 LPCWSTR pszSubIdList)
688 {
689 HRESULT hr;
690 TRACE("(%p,%s,%s)\n", hwnd, debugstr_w(pszSubAppName),
691 debugstr_w(pszSubIdList));
692 hr = UXTHEME_SetWindowProperty(hwnd, atSubAppName, pszSubAppName);
693 if(SUCCEEDED(hr))
694 hr = UXTHEME_SetWindowProperty(hwnd, atSubIdList, pszSubIdList);
695 if(SUCCEEDED(hr))
696 UXTHEME_broadcast_msg (hwnd, WM_THEMECHANGED);
697 return hr;
698 }
699
700 /***********************************************************************
701 * GetCurrentThemeName (UXTHEME.@)
702 */
703 HRESULT WINAPI GetCurrentThemeName(LPWSTR pszThemeFileName, int dwMaxNameChars,
704 LPWSTR pszColorBuff, int cchMaxColorChars,
705 LPWSTR pszSizeBuff, int cchMaxSizeChars)
706 {
707 if(!bThemeActive)
708 return E_PROP_ID_UNSUPPORTED;
709 if(pszThemeFileName) lstrcpynW(pszThemeFileName, szCurrentTheme, dwMaxNameChars);
710 if(pszColorBuff) lstrcpynW(pszColorBuff, szCurrentColor, cchMaxColorChars);
711 if(pszSizeBuff) lstrcpynW(pszSizeBuff, szCurrentSize, cchMaxSizeChars);
712 return S_OK;
713 }
714
715 /***********************************************************************
716 * GetThemeAppProperties (UXTHEME.@)
717 */
718 DWORD WINAPI GetThemeAppProperties(void)
719 {
720 return dwThemeAppProperties;
721 }
722
723 /***********************************************************************
724 * SetThemeAppProperties (UXTHEME.@)
725 */
726 void WINAPI SetThemeAppProperties(DWORD dwFlags)
727 {
728 TRACE("(0x%08x)\n", dwFlags);
729 dwThemeAppProperties = dwFlags;
730 }
731
732 /***********************************************************************
733 * CloseThemeData (UXTHEME.@)
734 */
735 HRESULT WINAPI CloseThemeData(HTHEME hTheme)
736 {
737 TRACE("(%p)\n", hTheme);
738 if(!hTheme)
739 return E_HANDLE;
740 return MSSTYLES_CloseThemeClass(hTheme);
741 }
742
743 /***********************************************************************
744 * HitTestThemeBackground (UXTHEME.@)
745 */
746 HRESULT WINAPI HitTestThemeBackground(HTHEME hTheme, HDC hdc, int iPartId,
747 int iStateId, DWORD dwOptions,
748 const RECT *pRect, HRGN hrgn,
749 POINT ptTest, WORD *pwHitTestCode)
750 {
751 FIXME("%d %d 0x%08x: stub\n", iPartId, iStateId, dwOptions);
752 if(!hTheme)
753 return E_HANDLE;
754 return ERROR_CALL_NOT_IMPLEMENTED;
755 }
756
757 /***********************************************************************
758 * IsThemePartDefined (UXTHEME.@)
759 */
760 BOOL WINAPI IsThemePartDefined(HTHEME hTheme, int iPartId, int iStateId)
761 {
762 TRACE("(%p,%d,%d)\n", hTheme, iPartId, iStateId);
763 if(!hTheme) {
764 SetLastError(E_HANDLE);
765 return FALSE;
766 }
767 if(MSSTYLES_FindPartState(hTheme, iPartId, iStateId, NULL))
768 return TRUE;
769 return FALSE;
770 }
771
772 /***********************************************************************
773 * GetThemeDocumentationProperty (UXTHEME.@)
774 *
775 * Try and retrieve the documentation property from string resources
776 * if that fails, get it from the [documentation] section of themes.ini
777 */
778 HRESULT WINAPI GetThemeDocumentationProperty(LPCWSTR pszThemeName,
779 LPCWSTR pszPropertyName,
780 LPWSTR pszValueBuff,
781 int cchMaxValChars)
782 {
783 const WORD wDocToRes[] = {
784 TMT_DISPLAYNAME,5000,
785 TMT_TOOLTIP,5001,
786 TMT_COMPANY,5002,
787 TMT_AUTHOR,5003,
788 TMT_COPYRIGHT,5004,
789 TMT_URL,5005,
790 TMT_VERSION,5006,
791 TMT_DESCRIPTION,5007
792 };
793
794 PTHEME_FILE pt;
795 HRESULT hr;
796 unsigned int i;
797 int iDocId;
798 TRACE("(%s,%s,%p,%d)\n", debugstr_w(pszThemeName), debugstr_w(pszPropertyName),
799 pszValueBuff, cchMaxValChars);
800
801 hr = MSSTYLES_OpenThemeFile(pszThemeName, NULL, NULL, &pt);
802 if(FAILED(hr)) return hr;
803
804 /* Try to load from string resources */
805 hr = E_PROP_ID_UNSUPPORTED;
806 if(MSSTYLES_LookupProperty(pszPropertyName, NULL, &iDocId)) {
807 for(i=0; i<sizeof(wDocToRes)/sizeof(wDocToRes[0]); i+=2) {
808 if(wDocToRes[i] == iDocId) {
809 if(LoadStringW(pt->hTheme, wDocToRes[i+1], pszValueBuff, cchMaxValChars)) {
810 hr = S_OK;
811 break;
812 }
813 }
814 }
815 }
816 /* If loading from string resource failed, try getting it from the theme.ini */
817 if(FAILED(hr)) {
818 PUXINI_FILE uf = MSSTYLES_GetThemeIni(pt);
819 if(UXINI_FindSection(uf, szIniDocumentation)) {
820 LPCWSTR lpValue;
821 DWORD dwLen;
822 if(UXINI_FindValue(uf, pszPropertyName, &lpValue, &dwLen)) {
823 lstrcpynW(pszValueBuff, lpValue, min(dwLen+1,cchMaxValChars));
824 hr = S_OK;
825 }
826 }
827 UXINI_CloseINI(uf);
828 }
829
830 MSSTYLES_CloseThemeFile(pt);
831 return hr;
832 }
833
834 /**********************************************************************
835 * Undocumented functions
836 */
837
838 /**********************************************************************
839 * QueryThemeServices (UXTHEME.1)
840 *
841 * RETURNS
842 * some kind of status flag
843 */
844 DWORD WINAPI QueryThemeServices(void)
845 {
846 FIXME("stub\n");
847 return 3; /* This is what is returned under XP in most cases */
848 }
849
850
851 /**********************************************************************
852 * OpenThemeFile (UXTHEME.2)
853 *
854 * Opens a theme file, which can be used to change the current theme, etc
855 *
856 * PARAMS
857 * pszThemeFileName Path to a msstyles theme file
858 * pszColorName Color defined in the theme, eg. NormalColor
859 * pszSizeName Size defined in the theme, eg. NormalSize
860 * hThemeFile Handle to theme file
861 *
862 * RETURNS
863 * Success: S_OK
864 * Failure: HRESULT error-code
865 */
866 HRESULT WINAPI OpenThemeFile(LPCWSTR pszThemeFileName, LPCWSTR pszColorName,
867 LPCWSTR pszSizeName, HTHEMEFILE *hThemeFile,
868 DWORD unknown)
869 {
870 TRACE("(%s,%s,%s,%p,%d)\n", debugstr_w(pszThemeFileName),
871 debugstr_w(pszColorName), debugstr_w(pszSizeName),
872 hThemeFile, unknown);
873 return MSSTYLES_OpenThemeFile(pszThemeFileName, pszColorName, pszSizeName, (PTHEME_FILE*)hThemeFile);
874 }
875
876 /**********************************************************************
877 * CloseThemeFile (UXTHEME.3)
878 *
879 * Releases theme file handle returned by OpenThemeFile
880 *
881 * PARAMS
882 * hThemeFile Handle to theme file
883 *
884 * RETURNS
885 * Success: S_OK
886 * Failure: HRESULT error-code
887 */
888 HRESULT WINAPI CloseThemeFile(HTHEMEFILE hThemeFile)
889 {
890 TRACE("(%p)\n", hThemeFile);
891 MSSTYLES_CloseThemeFile(hThemeFile);
892 return S_OK;
893 }
894
895 /**********************************************************************
896 * ApplyTheme (UXTHEME.4)
897 *
898 * Set a theme file to be the currently active theme
899 *
900 * PARAMS
901 * hThemeFile Handle to theme file
902 * unknown See notes
903 * hWnd Window requesting the theme change
904 *
905 * RETURNS
906 * Success: S_OK
907 * Failure: HRESULT error-code
908 *
909 * NOTES
910 * I'm not sure what the second parameter is (the datatype is likely wrong), other then this:
911 * Under XP if I pass
912 * char b[] = "";
913 * the theme is applied with the screen redrawing really badly (flickers)
914 * char b[] = "\0"; where \0 can be one or more of any character, makes no difference
915 * the theme is applied smoothly (screen does not flicker)
916 * char *b = "\0" or NULL; where \0 can be zero or more of any character, makes no difference
917 * the function fails returning invalid parameter... very strange
918 */
919 HRESULT WINAPI ApplyTheme(HTHEMEFILE hThemeFile, char *unknown, HWND hWnd)
920 {
921 HRESULT hr;
922 TRACE("(%p,%s,%p)\n", hThemeFile, unknown, hWnd);
923 hr = UXTHEME_SetActiveTheme(hThemeFile);
924 UXTHEME_broadcast_msg (NULL, WM_THEMECHANGED);
925 return hr;
926 }
927
928 /**********************************************************************
929 * GetThemeDefaults (UXTHEME.7)
930 *
931 * Get the default color & size for a theme
932 *
933 * PARAMS
934 * pszThemeFileName Path to a msstyles theme file
935 * pszColorName Buffer to receive the default color name
936 * dwColorNameLen Length, in characters, of color name buffer
937 * pszSizeName Buffer to receive the default size name
938 * dwSizeNameLen Length, in characters, of size name buffer
939 *
940 * RETURNS
941 * Success: S_OK
942 * Failure: HRESULT error-code
943 */
944 HRESULT WINAPI GetThemeDefaults(LPCWSTR pszThemeFileName, LPWSTR pszColorName,
945 DWORD dwColorNameLen, LPWSTR pszSizeName,
946 DWORD dwSizeNameLen)
947 {
948 PTHEME_FILE pt;
949 HRESULT hr;
950 TRACE("(%s,%p,%d,%p,%d)\n", debugstr_w(pszThemeFileName),
951 pszColorName, dwColorNameLen,
952 pszSizeName, dwSizeNameLen);
953
954 hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, NULL, &pt);
955 if(FAILED(hr)) return hr;
956
957 lstrcpynW(pszColorName, pt->pszSelectedColor, dwColorNameLen);
958 lstrcpynW(pszSizeName, pt->pszSelectedSize, dwSizeNameLen);
959
960 MSSTYLES_CloseThemeFile(pt);
961 return S_OK;
962 }
963
964 /**********************************************************************
965 * EnumThemes (UXTHEME.8)
966 *
967 * Enumerate available themes, calls specified EnumThemeProc for each
968 * theme found. Passes lpData through to callback function.
969 *
970 * PARAMS
971 * pszThemePath Path containing themes
972 * callback Called for each theme found in path
973 * lpData Passed through to callback
974 *
975 * RETURNS
976 * Success: S_OK
977 * Failure: HRESULT error-code
978 */
979 HRESULT WINAPI EnumThemes(LPCWSTR pszThemePath, EnumThemeProc callback,
980 LPVOID lpData)
981 {
982 WCHAR szDir[MAX_PATH];
983 WCHAR szPath[MAX_PATH];
984 static const WCHAR szStar[] = {'*','.','*','\0'};
985 static const WCHAR szFormat[] = {'%','s','%','s','\\','%','s','.','m','s','s','t','y','l','e','s','\0'};
986 static const WCHAR szDisplayName[] = {'d','i','s','p','l','a','y','n','a','m','e','\0'};
987 static const WCHAR szTooltip[] = {'t','o','o','l','t','i','p','\0'};
988 WCHAR szName[60];
989 WCHAR szTip[60];
990 HANDLE hFind;
991 WIN32_FIND_DATAW wfd;
992 HRESULT hr;
993 size_t pathLen;
994
995 TRACE("(%s,%p,%p)\n", debugstr_w(pszThemePath), callback, lpData);
996
997 if(!pszThemePath || !callback)
998 return E_POINTER;
999
1000 lstrcpyW(szDir, pszThemePath);
1001 pathLen = lstrlenW (szDir);
1002 if ((pathLen > 0) && (pathLen < MAX_PATH-1) && (szDir[pathLen - 1] != '\\'))
1003 {
1004 szDir[pathLen] = '\\';
1005 szDir[pathLen+1] = 0;
1006 }
1007
1008 lstrcpyW(szPath, szDir);
1009 lstrcatW(szPath, szStar);
1010 TRACE("searching %s\n", debugstr_w(szPath));
1011
1012 hFind = FindFirstFileW(szPath, &wfd);
1013 if(hFind != INVALID_HANDLE_VALUE) {
1014 do {
1015 if(wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
1016 && !(wfd.cFileName[0] == '.' && ((wfd.cFileName[1] == '.' && wfd.cFileName[2] == 0) || wfd.cFileName[1] == 0))) {
1017 wsprintfW(szPath, szFormat, szDir, wfd.cFileName, wfd.cFileName);
1018
1019 hr = GetThemeDocumentationProperty(szPath, szDisplayName, szName, sizeof(szName)/sizeof(szName[0]));
1020 if(SUCCEEDED(hr))
1021 hr = GetThemeDocumentationProperty(szPath, szTooltip, szTip, sizeof(szTip)/sizeof(szTip[0]));
1022 if(SUCCEEDED(hr)) {
1023 TRACE("callback(%s,%s,%s,%p)\n", debugstr_w(szPath), debugstr_w(szName), debugstr_w(szTip), lpData);
1024 if(!callback(NULL, szPath, szName, szTip, NULL, lpData)) {
1025 TRACE("callback ended enum\n");
1026 break;
1027 }
1028 }
1029 }
1030 } while(FindNextFileW(hFind, &wfd));
1031 FindClose(hFind);
1032 }
1033 return S_OK;
1034 }
1035
1036
1037 /**********************************************************************
1038 * EnumThemeColors (UXTHEME.9)
1039 *
1040 * Enumerate theme colors available with a particular size
1041 *
1042 * PARAMS
1043 * pszThemeFileName Path to a msstyles theme file
1044 * pszSizeName Theme size to enumerate available colors
1045 * If NULL the default theme size is used
1046 * dwColorNum Color index to retrieve, increment from 0
1047 * pszColorNames Output color names
1048 *
1049 * RETURNS
1050 * S_OK on success
1051 * E_PROP_ID_UNSUPPORTED when dwColorName does not refer to a color
1052 * or when pszSizeName does not refer to a valid size
1053 *
1054 * NOTES
1055 * XP fails with E_POINTER when pszColorNames points to a buffer smaller than
1056 * sizeof(THEMENAMES).
1057 *
1058 * Not very efficient that I'm opening & validating the theme every call, but
1059 * this is undocumented and almost never called..
1060 * (and this is how windows works too)
1061 */
1062 HRESULT WINAPI EnumThemeColors(LPWSTR pszThemeFileName, LPWSTR pszSizeName,
1063 DWORD dwColorNum, PTHEMENAMES pszColorNames)
1064 {
1065 PTHEME_FILE pt;
1066 HRESULT hr;
1067 LPWSTR tmp;
1068 UINT resourceId = dwColorNum + 1000;
1069 TRACE("(%s,%s,%d)\n", debugstr_w(pszThemeFileName),
1070 debugstr_w(pszSizeName), dwColorNum);
1071
1072 hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, pszSizeName, &pt);
1073 if(FAILED(hr)) return hr;
1074
1075 tmp = pt->pszAvailColors;
1076 while(dwColorNum && *tmp) {
1077 dwColorNum--;
1078 tmp += lstrlenW(tmp)+1;
1079 }
1080 if(!dwColorNum && *tmp) {
1081 TRACE("%s\n", debugstr_w(tmp));
1082 lstrcpyW(pszColorNames->szName, tmp);
1083 LoadStringW (pt->hTheme, resourceId,
1084 pszColorNames->szDisplayName,
1085 sizeof (pszColorNames->szDisplayName) / sizeof (WCHAR));
1086 LoadStringW (pt->hTheme, resourceId+1000,
1087 pszColorNames->szTooltip,
1088 sizeof (pszColorNames->szTooltip) / sizeof (WCHAR));
1089 }
1090 else
1091 hr = E_PROP_ID_UNSUPPORTED;
1092
1093 MSSTYLES_CloseThemeFile(pt);
1094 return hr;
1095 }
1096
1097 /**********************************************************************
1098 * EnumThemeSizes (UXTHEME.10)
1099 *
1100 * Enumerate theme colors available with a particular size
1101 *
1102 * PARAMS
1103 * pszThemeFileName Path to a msstyles theme file
1104 * pszColorName Theme color to enumerate available sizes
1105 * If NULL the default theme color is used
1106 * dwSizeNum Size index to retrieve, increment from 0
1107 * pszSizeNames Output size names
1108 *
1109 * RETURNS
1110 * S_OK on success
1111 * E_PROP_ID_UNSUPPORTED when dwSizeName does not refer to a size
1112 * or when pszColorName does not refer to a valid color
1113 *
1114 * NOTES
1115 * XP fails with E_POINTER when pszSizeNames points to a buffer smaller than
1116 * sizeof(THEMENAMES).
1117 *
1118 * Not very efficient that I'm opening & validating the theme every call, but
1119 * this is undocumented and almost never called..
1120 * (and this is how windows works too)
1121 */
1122 HRESULT WINAPI EnumThemeSizes(LPWSTR pszThemeFileName, LPWSTR pszColorName,
1123 DWORD dwSizeNum, PTHEMENAMES pszSizeNames)
1124 {
1125 PTHEME_FILE pt;
1126 HRESULT hr;
1127 LPWSTR tmp;
1128 UINT resourceId = dwSizeNum + 3000;
1129 TRACE("(%s,%s,%d)\n", debugstr_w(pszThemeFileName),
1130 debugstr_w(pszColorName), dwSizeNum);
1131
1132 hr = MSSTYLES_OpenThemeFile(pszThemeFileName, pszColorName, NULL, &pt);
1133 if(FAILED(hr)) return hr;
1134
1135 tmp = pt->pszAvailSizes;
1136 while(dwSizeNum && *tmp) {
1137 dwSizeNum--;
1138 tmp += lstrlenW(tmp)+1;
1139 }
1140 if(!dwSizeNum && *tmp) {
1141 TRACE("%s\n", debugstr_w(tmp));
1142 lstrcpyW(pszSizeNames->szName, tmp);
1143 LoadStringW (pt->hTheme, resourceId,
1144 pszSizeNames->szDisplayName,
1145 sizeof (pszSizeNames->szDisplayName) / sizeof (WCHAR));
1146 LoadStringW (pt->hTheme, resourceId+1000,
1147 pszSizeNames->szTooltip,
1148 sizeof (pszSizeNames->szTooltip) / sizeof (WCHAR));
1149 }
1150 else
1151 hr = E_PROP_ID_UNSUPPORTED;
1152
1153 MSSTYLES_CloseThemeFile(pt);
1154 return hr;
1155 }
1156
1157 /**********************************************************************
1158 * ParseThemeIniFile (UXTHEME.11)
1159 *
1160 * Enumerate data in a theme INI file.
1161 *
1162 * PARAMS
1163 * pszIniFileName Path to a theme ini file
1164 * pszUnknown Cannot be NULL, L"" is valid
1165 * callback Called for each found entry
1166 * lpData Passed through to callback
1167 *
1168 * RETURNS
1169 * S_OK on success
1170 * 0x800706488 (Unknown property) when enumeration is canceled from callback
1171 *
1172 * NOTES
1173 * When pszUnknown is NULL the callback is never called, the value does not seem to serve
1174 * any other purpose
1175 */
1176 HRESULT WINAPI ParseThemeIniFile(LPCWSTR pszIniFileName, LPWSTR pszUnknown,
1177 ParseThemeIniFileProc callback, LPVOID lpData)
1178 {
1179 FIXME("%s %s: stub\n", debugstr_w(pszIniFileName), debugstr_w(pszUnknown));
1180 return ERROR_CALL_NOT_IMPLEMENTED;
1181 }
1182
1183 /**********************************************************************
1184 * CheckThemeSignature (UXTHEME.29)
1185 *
1186 * Validates the signature of a theme file
1187 *
1188 * PARAMS
1189 * pszIniFileName Path to a theme file
1190 *
1191 * RETURNS
1192 * Success: S_OK
1193 * Failure: HRESULT error-code
1194 */
1195 HRESULT WINAPI CheckThemeSignature(LPCWSTR pszThemeFileName)
1196 {
1197 PTHEME_FILE pt;
1198 HRESULT hr;
1199 TRACE("(%s)\n", debugstr_w(pszThemeFileName));
1200 hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, NULL, &pt);
1201 if(FAILED(hr))
1202 return hr;
1203 MSSTYLES_CloseThemeFile(pt);
1204 return S_OK;
1205 }