dlls/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "wingdi.h"
  29 #include "winreg.h"
  30 #include "shlwapi.h"
  31 #include "uxtheme.h"
  32 #include "tmschema.h"
  33
  34 #include "uxthemedll.h"
  35 #include "msstyles.h"
  36
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(uxtheme);
  40
  41 /***********************************************************************
  42  * Defines and global variables
  43  */
  44
  45 static const WCHAR szThemeManager[] = {
  46     'S','o','f','t','w','a','r','e','\\',
  47     'M','i','c','r','o','s','o','f','t','\\',
  48     'W','i','n','d','o','w','s','\\',
  49     'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  50     'T','h','e','m','e','M','a','n','a','g','e','r','\0'
  51 };
  52 static const WCHAR szThemeActive[] = {'T','h','e','m','e','A','c','t','i','v','e','\0'};
  53 static const WCHAR szSizeName[] = {'S','i','z','e','N','a','m','e','\0'};
  54 static const WCHAR szColorName[] = {'C','o','l','o','r','N','a','m','e','\0'};
  55 static const WCHAR szDllName[] = {'D','l','l','N','a','m','e','\0'};
  56
  57 static const WCHAR szIniDocumentation[] = {'d','o','c','u','m','e','n','t','a','t','i','o','n','\0'};
  58
  59 HINSTANCE hDllInst;
  60
  61 DWORD dwThemeAppProperties = STAP_ALLOW_NONCLIENT | STAP_ALLOW_CONTROLS;
  62 ATOM atWindowTheme;
  63 ATOM atSubAppName;
  64 ATOM atSubIdList;
  65
  66 BOOL bThemeActive = FALSE;
  67 WCHAR szCurrentTheme[MAX_PATH];
  68 WCHAR szCurrentColor[64];
  69 WCHAR szCurrentSize[64];
  70
  71 /***********************************************************************/
  72
  73 /***********************************************************************
  74  *      UXTHEME_LoadTheme
  75  *
  76  * Set the current active theme from the registry
  77  */
  78 void UXTHEME_LoadTheme()
  79 {
  80     HKEY hKey;
  81     LONG buffsize;
  82     HRESULT hr;
  83     WCHAR tmp[10];
  84     PTHEME_FILE pt;
  85
  86     /* Get current theme configuration */
  87     if(!RegOpenKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
  88         TRACE("Loading theme config\n");
  89         buffsize = sizeof(tmp)/sizeof(tmp[0]);
  90         if(!RegQueryValueExW(hKey, szThemeActive, NULL, NULL, (LPBYTE)tmp, &buffsize)) {
  91             bThemeActive = (tmp[0] != '0');
  92         }
  93         else {
  94             bThemeActive = FALSE;
  95             TRACE("Failed to get ThemeActive: %ld\n", GetLastError());
  96         }
  97         buffsize = sizeof(szCurrentColor)/sizeof(szCurrentColor[0]);
  98         if(RegQueryValueExW(hKey, szColorName, NULL, NULL, (LPBYTE)szCurrentColor, &buffsize))
  99             szCurrentColor[0] = '\0';
 100         buffsize = sizeof(szCurrentSize)/sizeof(szCurrentSize[0]);
 101         if(RegQueryValueExW(hKey, szSizeName, NULL, NULL, (LPBYTE)szCurrentSize, &buffsize))
 102             szCurrentSize[0] = '\0';
 103         if(SHRegGetPathW(hKey, NULL, szDllName, szCurrentTheme, 0))
 104             szCurrentTheme[0] = '\0';
 105         RegCloseKey(hKey);
 106     }
 107     else
 108         TRACE("Failed to open theme registry key\n");
 109
 110     if(bThemeActive) {
 111         /* Make sure the theme requested is actually valid */
 112         hr = MSSTYLES_OpenThemeFile(szCurrentTheme,
 113                                     szCurrentColor[0]?szCurrentColor:NULL,
 114                                     szCurrentSize[0]?szCurrentSize:NULL,
 115                                     &pt);
 116         if(FAILED(hr)) {
 117             bThemeActive = FALSE;
 118             szCurrentTheme[0] = '\0';
 119             szCurrentColor[0] = '\0';
 120             szCurrentSize[0] = '\0';
 121         }
 122         else {
 123             /* Make sure the global color & size match the theme */
 124             lstrcpynW(szCurrentColor, pt->pszSelectedColor, sizeof(szCurrentColor)/sizeof(szCurrentColor[0]));
 125             lstrcpynW(szCurrentSize, pt->pszSelectedSize, sizeof(szCurrentSize)/sizeof(szCurrentSize[0]));
 126
 127             MSSTYLES_SetActiveTheme(pt);
 128             TRACE("Theme active: %s %s %s\n", debugstr_w(szCurrentTheme),
 129                 debugstr_w(szCurrentColor), debugstr_w(szCurrentSize));
 130             MSSTYLES_CloseThemeFile(pt);
 131         }
 132     }
 133     if(!bThemeActive) {
 134         MSSTYLES_SetActiveTheme(NULL);
 135         TRACE("Themeing not active\n");
 136     }
 137 }
 138
 139 /***********************************************************************
 140  *      UXTHEME_SetActiveTheme
 141  *
 142  * Change the current active theme
 143  */
 144 HRESULT UXTHEME_SetActiveTheme(PTHEME_FILE tf)
 145 {
 146     HKEY hKey;
 147     WCHAR tmp[2];
 148     HRESULT hr;
 149
 150     hr = MSSTYLES_SetActiveTheme(tf);
 151     if(FAILED(hr))
 152         return hr;
 153     if(tf) {
 154         bThemeActive = TRUE;
 155         lstrcpynW(szCurrentTheme, tf->szThemeFile, sizeof(szCurrentTheme)/sizeof(szCurrentTheme[0]));
 156         lstrcpynW(szCurrentColor, tf->pszSelectedColor, sizeof(szCurrentColor)/sizeof(szCurrentColor[0]));
 157         lstrcpynW(szCurrentSize, tf->pszSelectedSize, sizeof(szCurrentSize)/sizeof(szCurrentSize[0]));
 158     }
 159     else {
 160         bThemeActive = FALSE;
 161         szCurrentTheme[0] = '\0';
 162         szCurrentColor[0] = '\0';
 163         szCurrentSize[0] = '\0';
 164     }
 165
 166     TRACE("Writing theme config to registry\n");
 167     if(!RegCreateKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
 168         tmp[0] = bThemeActive?'1':'0';
 169         tmp[1] = '\0';
 170         RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (const BYTE*)tmp, sizeof(WCHAR)*2);
 171         if(bThemeActive) {
 172             RegSetValueExW(hKey, szColorName, 0, REG_SZ, (const BYTE*)szCurrentColor, lstrlenW(szCurrentColor)+1);
 173             RegSetValueExW(hKey, szSizeName, 0, REG_SZ, (const BYTE*)szCurrentSize, lstrlenW(szCurrentSize)+1);
 174             RegSetValueExW(hKey, szDllName, 0, REG_SZ, (const BYTE*)szCurrentTheme, lstrlenW(szCurrentTheme)+1);
 175         }
 176         else {
 177             RegDeleteValueW(hKey, szColorName);
 178             RegDeleteValueW(hKey, szSizeName);
 179             RegDeleteValueW(hKey, szDllName);
 180
 181         }
 182         RegCloseKey(hKey);
 183     }
 184     else
 185         TRACE("Failed to open theme registry key\n");
 186     return hr;
 187 }
 188
 189 /***********************************************************************
 190  *      UXTHEME_InitSystem
 191  */
 192 void UXTHEME_InitSystem(HINSTANCE hInst)
 193 {
 194     static const WCHAR szWindowTheme[] = {
 195         'u','x','_','t','h','e','m','e','\0'
 196     };
 197     static const WCHAR szSubAppName[] = {
 198         'u','x','_','s','u','b','a','p','p','\0'
 199     };
 200     static const WCHAR szSubIdList[] = {
 201         'u','x','_','s','u','b','i','d','l','s','t','\0'
 202     };
 203
 204     hDllInst = hInst;
 205
 206     atWindowTheme = GlobalAddAtomW(szWindowTheme);
 207     atSubAppName  = GlobalAddAtomW(szSubAppName);
 208     atSubIdList   = GlobalAddAtomW(szSubIdList);
 209
 210     UXTHEME_LoadTheme();
 211 }
 212
 213 /***********************************************************************
 214  *      IsAppThemed                                         (UXTHEME.@)
 215  */
 216 BOOL WINAPI IsAppThemed(void)
 217 {
 218     return IsThemeActive();
 219 }
 220
 221 /***********************************************************************
 222  *      IsThemeActive                                       (UXTHEME.@)
 223  */
 224 BOOL WINAPI IsThemeActive(void)
 225 {
 226     TRACE("\n");
 227     return bThemeActive;
 228 }
 229
 230 /***********************************************************************
 231  *      EnableTheming                                       (UXTHEME.@)
 232  *
 233  * NOTES
 234  * This is a global and persistent change
 235  */
 236 HRESULT WINAPI EnableTheming(BOOL fEnable)
 237 {
 238     HKEY hKey;
 239     WCHAR szEnabled[] = {'0','\0'};
 240
 241     TRACE("(%d)\n", fEnable);
 242
 243     if(fEnable != bThemeActive) {
 244         bThemeActive = fEnable;
 245         if(bThemeActive) szEnabled[0] = '1';
 246         if(!RegOpenKeyW(HKEY_CURRENT_USER, szThemeManager, &hKey)) {
 247             RegSetValueExW(hKey, szThemeActive, 0, REG_SZ, (LPBYTE)szEnabled, sizeof(WCHAR));
 248             RegCloseKey(hKey);
 249         }
 250         PostMessageW(HWND_BROADCAST, WM_THEMECHANGED, 0, 0);
 251     }
 252     return S_OK;
 253 }
 254
 255 /***********************************************************************
 256  *      UXTHEME_SetWindowProperty
 257  *
 258  * I'm using atoms as there may be large numbers of duplicated strings
 259  * and they do the work of keeping memory down as a cause of that quite nicely
 260  */
 261 HRESULT UXTHEME_SetWindowProperty(HWND hwnd, ATOM aProp, LPCWSTR pszValue)
 262 {
 263     ATOM oldValue = (ATOM)(size_t)RemovePropW(hwnd, MAKEINTATOMW(aProp));
 264     if(oldValue)
 265         DeleteAtom(oldValue);
 266     if(pszValue) {
 267         ATOM atValue = AddAtomW(pszValue);
 268         if(!atValue
 269            || !SetPropW(hwnd, MAKEINTATOMW(aProp), (LPWSTR)MAKEINTATOMW(atValue))) {
 270             HRESULT hr = HRESULT_FROM_WIN32(GetLastError());
 271             if(atValue) DeleteAtom(atValue);
 272             return hr;
 273         }
 274     }
 275     return S_OK;
 276 }
 277
 278 LPWSTR UXTHEME_GetWindowProperty(HWND hwnd, ATOM aProp, LPWSTR pszBuffer, int dwLen)
 279 {
 280     ATOM atValue = (ATOM)(size_t)GetPropW(hwnd, MAKEINTATOMW(aProp));
 281     if(atValue) {
 282         if(GetAtomNameW(atValue, pszBuffer, dwLen))
 283             return pszBuffer;
 284         TRACE("property defined, but unable to get value\n");
 285     }
 286     return NULL;
 287 }
 288
 289 /***********************************************************************
 290  *      OpenThemeData                                       (UXTHEME.@)
 291  */
 292 HTHEME WINAPI OpenThemeData(HWND hwnd, LPCWSTR pszClassList)
 293 {
 294     WCHAR szAppBuff[256];
 295     WCHAR szClassBuff[256];
 296     LPCWSTR pszAppName;
 297     LPCWSTR pszUseClassList;
 298     HTHEME hTheme;
 299     TRACE("(%p,%s)\n", hwnd, debugstr_w(pszClassList));
 300     if(!bThemeActive)
 301         return NULL;
 302
 303     pszAppName = UXTHEME_GetWindowProperty(hwnd, atSubAppName, szAppBuff, sizeof(szAppBuff)/sizeof(szAppBuff[0]));
 304     /* If SetWindowTheme was used on the window, that overrides the class list passed to this function */
 305     pszUseClassList = UXTHEME_GetWindowProperty(hwnd, atSubIdList, szClassBuff, sizeof(szClassBuff)/sizeof(szClassBuff[0]));
 306     if(!pszUseClassList)
 307         pszUseClassList = pszClassList;
 308
 309     hTheme = MSSTYLES_OpenThemeClass(pszAppName, pszUseClassList);
 310     if(IsWindow(hwnd))
 311         SetPropW(hwnd, MAKEINTATOMW(atWindowTheme), hTheme);
 312     return hTheme;
 313 }
 314
 315 /***********************************************************************
 316  *      GetWindowTheme                                      (UXTHEME.@)
 317  *
 318  * Retrieve the last theme opened for a window
 319  */
 320 HTHEME WINAPI GetWindowTheme(HWND hwnd)
 321 {
 322     TRACE("(%p)\n", hwnd);
 323     return GetPropW(hwnd, MAKEINTATOMW(atWindowTheme));
 324 }
 325
 326 /***********************************************************************
 327  *      SetWindowTheme                                      (UXTHEME.@)
 328  *
 329  * Persistent through the life of the window, even after themes change
 330  */
 331 HRESULT WINAPI SetWindowTheme(HWND hwnd, LPCWSTR pszSubAppName,
 332                               LPCWSTR pszSubIdList)
 333 {
 334     HRESULT hr;
 335     TRACE("(%p,%s,%s)\n", hwnd, debugstr_w(pszSubAppName),
 336           debugstr_w(pszSubIdList));
 337     hr = UXTHEME_SetWindowProperty(hwnd, atSubAppName, pszSubAppName);
 338     if(SUCCEEDED(hr))
 339         hr = UXTHEME_SetWindowProperty(hwnd, atSubIdList, pszSubIdList);
 340     if(SUCCEEDED(hr))
 341         PostMessageW(hwnd, WM_THEMECHANGED, 0, 0);
 342     return hr;
 343 }
 344
 345 /***********************************************************************
 346  *      GetCurrentThemeName                                 (UXTHEME.@)
 347  */
 348 HRESULT WINAPI GetCurrentThemeName(LPWSTR pszThemeFileName, int dwMaxNameChars,
 349                                    LPWSTR pszColorBuff, int cchMaxColorChars,
 350                                    LPWSTR pszSizeBuff, int cchMaxSizeChars)
 351 {
 352     if(!bThemeActive)
 353         return E_PROP_ID_UNSUPPORTED;
 354     if(pszThemeFileName) lstrcpynW(pszThemeFileName, szCurrentTheme, dwMaxNameChars);
 355     if(pszColorBuff) lstrcpynW(pszColorBuff, szCurrentColor, cchMaxColorChars);
 356     if(pszSizeBuff) lstrcpynW(pszSizeBuff, szCurrentSize, cchMaxSizeChars);
 357     return S_OK;
 358 }
 359
 360 /***********************************************************************
 361  *      GetThemeAppProperties                               (UXTHEME.@)
 362  */
 363 DWORD WINAPI GetThemeAppProperties(void)
 364 {
 365     return dwThemeAppProperties;
 366 }
 367
 368 /***********************************************************************
 369  *      SetThemeAppProperties                               (UXTHEME.@)
 370  */
 371 void WINAPI SetThemeAppProperties(DWORD dwFlags)
 372 {
 373     TRACE("(0x%08lx)\n", dwFlags);
 374     dwThemeAppProperties = dwFlags;
 375 }
 376
 377 /***********************************************************************
 378  *      CloseThemeData                                      (UXTHEME.@)
 379  */
 380 HRESULT WINAPI CloseThemeData(HTHEME hTheme)
 381 {
 382     TRACE("(%p)\n", hTheme);
 383     if(!hTheme)
 384         return E_HANDLE;
 385     return MSSTYLES_CloseThemeClass(hTheme);
 386 }
 387
 388 /***********************************************************************
 389  *      HitTestThemeBackground                              (UXTHEME.@)
 390  */
 391 HRESULT WINAPI HitTestThemeBackground(HTHEME hTheme, HDC hdc, int iPartId,
 392                                      int iStateId, DWORD dwOptions,
 393                                      const RECT *pRect, HRGN hrgn,
 394                                      POINT ptTest, WORD *pwHitTestCode)
 395 {
 396     FIXME("%d %d 0x%08lx: stub\n", iPartId, iStateId, dwOptions);
 397     if(!hTheme)
 398         return E_HANDLE;
 399     return ERROR_CALL_NOT_IMPLEMENTED;
 400 }
 401
 402 /***********************************************************************
 403  *      IsThemePartDefined                                  (UXTHEME.@)
 404  */
 405 BOOL WINAPI IsThemePartDefined(HTHEME hTheme, int iPartId, int iStateId)
 406 {
 407     TRACE("(%p,%d,%d)\n", hTheme, iPartId, iStateId);
 408     if(MSSTYLES_FindPartState(hTheme, iPartId, iStateId, NULL))
 409         return TRUE;
 410     return FALSE;
 411 }
 412
 413 /***********************************************************************
 414  *      GetThemeDocumentationProperty                       (UXTHEME.@)
 415  *
 416  * Try and retrieve the documentation property from string resources
 417  * if that fails, get it from the [documentation] section of themes.ini
 418  */
 419 HRESULT WINAPI GetThemeDocumentationProperty(LPCWSTR pszThemeName,
 420                                              LPCWSTR pszPropertyName,
 421                                              LPWSTR pszValueBuff,
 422                                              int cchMaxValChars)
 423 {
 424     const WORD wDocToRes[] = {
 425         TMT_DISPLAYNAME,5000,
 426         TMT_TOOLTIP,5001,
 427         TMT_COMPANY,5002,
 428         TMT_AUTHOR,5003,
 429         TMT_COPYRIGHT,5004,
 430         TMT_URL,5005,
 431         TMT_VERSION,5006,
 432         TMT_DESCRIPTION,5007
 433     };
 434
 435     PTHEME_FILE pt;
 436     HRESULT hr;
 437     int i;
 438     int iDocId;
 439     TRACE("(%s,%s,%p,%d)\n", debugstr_w(pszThemeName), debugstr_w(pszPropertyName),
 440           pszValueBuff, cchMaxValChars);
 441
 442     hr = MSSTYLES_OpenThemeFile(pszThemeName, NULL, NULL, &pt);
 443     if(FAILED(hr)) return hr;
 444
 445     /* Try to load from string resources */
 446     hr = E_PROP_ID_UNSUPPORTED;
 447     if(MSSTYLES_LookupProperty(pszPropertyName, NULL, &iDocId)) {
 448         for(i=0; i<sizeof(wDocToRes)/sizeof(wDocToRes[0]); i+=2) {
 449             if(wDocToRes[i] == iDocId) {
 450                 if(LoadStringW(pt->hTheme, wDocToRes[i+1], pszValueBuff, cchMaxValChars)) {
 451                     hr = S_OK;
 452                     break;
 453                 }
 454             }
 455         }
 456     }
 457     /* If loading from string resource failed, try getting it from the theme.ini */
 458     if(FAILED(hr)) {
 459         PUXINI_FILE uf = MSSTYLES_GetThemeIni(pt);
 460         if(UXINI_FindSection(uf, szIniDocumentation)) {
 461             LPCWSTR lpValue;
 462             DWORD dwLen;
 463             if(UXINI_FindValue(uf, pszPropertyName, &lpValue, &dwLen)) {
 464                 lstrcpynW(pszValueBuff, lpValue, min(dwLen+1,cchMaxValChars));
 465                 hr = S_OK;
 466             }
 467         }
 468         UXINI_CloseINI(uf);
 469     }
 470
 471     MSSTYLES_CloseThemeFile(pt);
 472     return hr;
 473 }
 474
 475 /**********************************************************************
 476  *      Undocumented functions
 477  */
 478
 479 /**********************************************************************
 480  *      QueryThemeServices                                 (UXTHEME.1)
 481  *
 482  * RETURNS
 483  *     some kind of status flag
 484  */
 485 DWORD WINAPI QueryThemeServices()
 486 {
 487     FIXME("stub\n");
 488     return 3; /* This is what is returned under XP in most cases */
 489 }
 490
 491
 492 /**********************************************************************
 493  *      OpenThemeFile                                      (UXTHEME.2)
 494  *
 495  * Opens a theme file, which can be used to change the current theme, etc
 496  *
 497  * PARAMS
 498  *     pszThemeFileName    Path to a msstyles theme file
 499  *     pszColorName        Color defined in the theme, eg. NormalColor
 500  *     pszSizeName         Size defined in the theme, eg. NormalSize
 501  *     hThemeFile          Handle to theme file
 502  */
 503 HRESULT WINAPI OpenThemeFile(LPCWSTR pszThemeFileName, LPCWSTR pszColorName,
 504                              LPCWSTR pszSizeName, HTHEMEFILE *hThemeFile,
 505                              DWORD unknown)
 506 {
 507     TRACE("(%s,%s,%s,%p,%ld)\n", debugstr_w(pszThemeFileName),
 508           debugstr_w(pszColorName), debugstr_w(pszSizeName),
 509           hThemeFile, unknown);
 510     return MSSTYLES_OpenThemeFile(pszThemeFileName, pszColorName, pszSizeName, (PTHEME_FILE*)hThemeFile);
 511 }
 512
 513 /**********************************************************************
 514  *      CloseThemeFile                                     (UXTHEME.3)
 515  *
 516  * Releases theme file handle returned by OpenThemeFile
 517  *
 518  * PARAMS
 519  *     hThemeFile           Handle to theme file
 520  */
 521 HRESULT WINAPI CloseThemeFile(HTHEMEFILE hThemeFile)
 522 {
 523     TRACE("(%p)\n", hThemeFile);
 524     MSSTYLES_CloseThemeFile(hThemeFile);
 525     return S_OK;
 526 }
 527
 528 /**********************************************************************
 529  *      ApplyTheme                                         (UXTHEME.4)
 530  *
 531  * Set a theme file to be the currently active theme
 532  *
 533  * PARAMS
 534  *     hThemeFile           Handle to theme file
 535  *     unknown              See notes
 536  *     hWnd                 Window requesting the theme change
 537  *
 538  * NOTES
 539  * I'm not sure what the second parameter is (the datatype is likely wrong), other then this:
 540  * Under XP if I pass
 541  * char b[] = "";
 542  *   the theme is applied with the screen redrawing really badly (flickers)
 543  * char b[] = "\0"; where \0 can be one or more of any character, makes no difference
 544  *   the theme is applied smoothly (screen does not flicker)
 545  * char *b = "\0" or NULL; where \0 can be zero or more of any character, makes no difference
 546  *   the function fails returning invalid parameter...very strange
 547  */
 548 HRESULT WINAPI ApplyTheme(HTHEMEFILE hThemeFile, char *unknown, HWND hWnd)
 549 {
 550     HRESULT hr;
 551     TRACE("(%p,%s,%p)\n", hThemeFile, unknown, hWnd);
 552     hr = UXTHEME_SetActiveTheme(hThemeFile);
 553     PostMessageW(HWND_BROADCAST, WM_THEMECHANGED, 0, 0);
 554     return hr;
 555 }
 556
 557 /**********************************************************************
 558  *      GetThemeDefaults                                   (UXTHEME.7)
 559  *
 560  * Get the default color & size for a theme
 561  *
 562  * PARAMS
 563  *     pszThemeFileName    Path to a msstyles theme file
 564  *     pszColorName        Buffer to receive the default color name
 565  *     dwColorNameLen      Length, in characters, of color name buffer
 566  *     pszSizeName         Buffer to receive the default size name
 567  *     dwSizeNameLen       Length, in characters, of size name buffer
 568  */
 569 HRESULT WINAPI GetThemeDefaults(LPCWSTR pszThemeFileName, LPWSTR pszColorName,
 570                                 DWORD dwColorNameLen, LPWSTR pszSizeName,
 571                                 DWORD dwSizeNameLen)
 572 {
 573     PTHEME_FILE pt;
 574     HRESULT hr;
 575     TRACE("(%s,%p,%ld,%p,%ld)\n", debugstr_w(pszThemeFileName),
 576           pszColorName, dwColorNameLen,
 577           pszSizeName, dwSizeNameLen);
 578
 579     hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, NULL, &pt);
 580     if(FAILED(hr)) return hr;
 581
 582     lstrcpynW(pszColorName, pt->pszSelectedColor, dwColorNameLen);
 583     lstrcpynW(pszSizeName, pt->pszSelectedSize, dwSizeNameLen);
 584
 585     MSSTYLES_CloseThemeFile(pt);
 586     return S_OK;
 587 }
 588
 589 /**********************************************************************
 590  *      EnumThemes                                         (UXTHEME.8)
 591  *
 592  * Enumerate available themes, calls specified EnumThemeProc for each
 593  * theme found. Passes lpData through to callback function.
 594  *
 595  * PARAMS
 596  *     pszThemePath        Path containing themes
 597  *     callback            Called for each theme found in path
 598  *     lpData              Passed through to callback
 599  */
 600 HRESULT WINAPI EnumThemes(LPCWSTR pszThemePath, EnumThemeProc callback,
 601                           LPVOID lpData)
 602 {
 603     WCHAR szDir[MAX_PATH];
 604     WCHAR szPath[MAX_PATH];
 605     static const WCHAR szStar[] = {'*','.','*','\0'};
 606     static const WCHAR szFormat[] = {'%','s','%','s','\\','%','s','.','m','s','s','t','y','l','e','s','\0'};
 607     static const WCHAR szDisplayName[] = {'d','i','s','p','l','a','y','n','a','m','e','\0'};
 608     static const WCHAR szTooltip[] = {'t','o','o','l','t','i','p','\0'};
 609     WCHAR szName[60];
 610     WCHAR szTip[60];
 611     HANDLE hFind;
 612     WIN32_FIND_DATAW wfd;
 613     HRESULT hr;
 614
 615     TRACE("(%s,%p,%p)\n", debugstr_w(pszThemePath), callback, lpData);
 616
 617     if(!pszThemePath || !callback)
 618         return E_POINTER;
 619
 620     lstrcpyW(szDir, pszThemePath);
 621     PathAddBackslashW(szDir);
 622
 623     lstrcpyW(szPath, szDir);
 624     lstrcatW(szPath, szStar);
 625     TRACE("searching %s\n", debugstr_w(szPath));
 626
 627     hFind = FindFirstFileW(szPath, &wfd);
 628     if(hFind != INVALID_HANDLE_VALUE) {
 629         do {
 630             if(wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
 631                && !(wfd.cFileName[0] == '.' && ((wfd.cFileName[1] == '.' && wfd.cFileName[2] == 0) || wfd.cFileName[1] == 0))) {
 632                 wsprintfW(szPath, szFormat, szDir, wfd.cFileName, wfd.cFileName);
 633
 634                 hr = GetThemeDocumentationProperty(szPath, szDisplayName, szName, sizeof(szName)/sizeof(szName[0]));
 635                 if(SUCCEEDED(hr))
 636                     hr = GetThemeDocumentationProperty(szPath, szTooltip, szTip, sizeof(szTip)/sizeof(szTip[0]));
 637                 if(SUCCEEDED(hr)) {
 638                     TRACE("callback(%s,%s,%s,%p)\n", debugstr_w(szPath), debugstr_w(szName), debugstr_w(szTip), lpData);
 639                     if(!callback(NULL, szPath, szName, szTip, NULL, lpData)) {
 640                         TRACE("callback ended enum\n");
 641                         break;
 642                     }
 643                 }
 644             }
 645         } while(FindNextFileW(hFind, &wfd));
 646         FindClose(hFind);
 647     }
 648     return S_OK;
 649 }
 650
 651
 652 /**********************************************************************
 653  *      EnumThemeColors                                    (UXTHEME.9)
 654  *
 655  * Enumerate theme colors available with a particular size
 656  *
 657  * PARAMS
 658  *     pszThemeFileName    Path to a msstyles theme file
 659  *     pszSizeName         Theme size to enumerate available colors
 660  *                         If NULL the default theme size is used
 661  *     dwColorNum          Color index to retrieve, increment from 0
 662  *     pszColorName        Output color name
 663  *
 664  * RETURNS
 665  *     S_OK on success
 666  *     E_PROP_ID_UNSUPPORTED when dwColorName does not refer to a color
 667  *          or when pszSizeName does not refer to a valid size
 668  *
 669  * NOTES
 670  * XP fails with E_POINTER when pszColorName points to a buffer smaller then 605
 671  * characters
 672  *
 673  * Not very efficient that I'm opening & validating the theme every call, but
 674  * this is undocumented and almost never called..
 675  * (and this is how windows works too)
 676  */
 677 HRESULT WINAPI EnumThemeColors(LPWSTR pszThemeFileName, LPWSTR pszSizeName,
 678                                DWORD dwColorNum, LPWSTR pszColorName)
 679 {
 680     PTHEME_FILE pt;
 681     HRESULT hr;
 682     LPWSTR tmp;
 683     TRACE("(%s,%s,%ld)\n", debugstr_w(pszThemeFileName),
 684           debugstr_w(pszSizeName), dwColorNum);
 685
 686     hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, pszSizeName, &pt);
 687     if(FAILED(hr)) return hr;
 688
 689     tmp = pt->pszAvailColors;
 690     while(dwColorNum && *tmp) {
 691         dwColorNum--;
 692         tmp += lstrlenW(tmp)+1;
 693     }
 694     if(!dwColorNum && *tmp) {
 695         TRACE("%s\n", debugstr_w(tmp));
 696         lstrcpyW(pszColorName, tmp);
 697     }
 698     else
 699         hr = E_PROP_ID_UNSUPPORTED;
 700
 701     MSSTYLES_CloseThemeFile(pt);
 702     return hr;
 703 }
 704
 705 /**********************************************************************
 706  *      EnumThemeSizes                                     (UXTHEME.10)
 707  *
 708  * Enumerate theme colors available with a particular size
 709  *
 710  * PARAMS
 711  *     pszThemeFileName    Path to a msstyles theme file
 712  *     pszColorName        Theme color to enumerate available sizes
 713  *                         If NULL the default theme color is used
 714  *     dwSizeNum           Size index to retrieve, increment from 0
 715  *     pszSizeName         Output size name
 716  *
 717  * RETURNS
 718  *     S_OK on success
 719  *     E_PROP_ID_UNSUPPORTED when dwSizeName does not refer to a size
 720  *          or when pszColorName does not refer to a valid color
 721  *
 722  * NOTES
 723  * XP fails with E_POINTER when pszSizeName points to a buffer smaller then 605
 724  * characters
 725  *
 726  * Not very efficient that I'm opening & validating the theme every call, but
 727  * this is undocumented and almost never called..
 728  * (and this is how windows works too)
 729  */
 730 HRESULT WINAPI EnumThemeSizes(LPWSTR pszThemeFileName, LPWSTR pszColorName,
 731                               DWORD dwSizeNum, LPWSTR pszSizeName)
 732 {
 733     PTHEME_FILE pt;
 734     HRESULT hr;
 735     LPWSTR tmp;
 736     TRACE("(%s,%s,%ld)\n", debugstr_w(pszThemeFileName),
 737           debugstr_w(pszColorName), dwSizeNum);
 738
 739     hr = MSSTYLES_OpenThemeFile(pszThemeFileName, pszColorName, NULL, &pt);
 740     if(FAILED(hr)) return hr;
 741
 742     tmp = pt->pszAvailSizes;
 743     while(dwSizeNum && *tmp) {
 744         dwSizeNum--;
 745         tmp += lstrlenW(tmp)+1;
 746     }
 747     if(!dwSizeNum && *tmp) {
 748         TRACE("%s\n", debugstr_w(tmp));
 749         lstrcpyW(pszSizeName, tmp);
 750     }
 751     else
 752         hr = E_PROP_ID_UNSUPPORTED;
 753
 754     MSSTYLES_CloseThemeFile(pt);
 755     return hr;
 756 }
 757
 758 /**********************************************************************
 759  *      ParseThemeIniFile                                  (UXTHEME.11)
 760  *
 761  * Enumerate data in a theme INI file.
 762  *
 763  * PARAMS
 764  *     pszIniFileName      Path to a theme ini file
 765  *     pszUnknown          Cannot be NULL, L"" is valid
 766  *     callback            Called for each found entry
 767  *     lpData              Passed through to callback
 768  *
 769  * RETURNS
 770  *     S_OK on success
 771  *     0x800706488 (Unknown property) when enumeration is canceled from callback
 772  *
 773  * NOTES
 774  * When pszUnknown is NULL the callback is never called, the value does not seem to surve
 775  * any other purpose
 776  */
 777 HRESULT WINAPI ParseThemeIniFile(LPCWSTR pszIniFileName, LPWSTR pszUnknown,
 778                                  ParseThemeIniFileProc callback, LPVOID lpData)
 779 {
 780     FIXME("%s %s: stub\n", debugstr_w(pszIniFileName), debugstr_w(pszUnknown));
 781     return ERROR_CALL_NOT_IMPLEMENTED;
 782 }
 783
 784 /**********************************************************************
 785  *      CheckThemeSignature                                (UXTHEME.29)
 786  *
 787  * Validates the signature of a theme file
 788  *
 789  * PARAMS
 790  *     pszIniFileName      Path to a theme file
 791  */
 792 HRESULT WINAPI CheckThemeSignature(LPCWSTR pszThemeFileName)
 793 {
 794     PTHEME_FILE pt;
 795     HRESULT hr;
 796     TRACE("(%s)\n", debugstr_w(pszThemeFileName));
 797     hr = MSSTYLES_OpenThemeFile(pszThemeFileName, NULL, NULL, &pt);
 798     if(FAILED(hr))
 799         return hr;
 800     MSSTYLES_CloseThemeFile(pt);
 801     return S_OK;
 802 }