1 /* 2 * Common controls functions 3 * 4 * Copyright 1997 Dimitrie O. Paun 5 * Copyright 1998,2000 Eric Kohl 6 * Copyright 2014-2015 Michael M�ller 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 21 * 22 * NOTES 23 * 24 * This code was audited for completeness against the documented features 25 * of Comctl32.dll version 6.0 on Oct. 21, 2002, by Christian Neumair. 26 * 27 * Unless otherwise noted, we believe this code to be complete, as per 28 * the specification mentioned above. 29 * If you discover missing features, or bugs, please note them below. 30 * 31 * TODO 32 * -- implement GetMUILanguage + InitMUILanguage 33 * -- finish NOTES for MenuHelp, GetEffectiveClientRect and GetStatusTextW 34 * -- FIXMEs + BUGS (search for them) 35 * 36 * Control Classes 37 * -- ICC_ANIMATE_CLASS 38 * -- ICC_BAR_CLASSES 39 * -- ICC_COOL_CLASSES 40 * -- ICC_DATE_CLASSES 41 * -- ICC_HOTKEY_CLASS 42 * -- ICC_INTERNET_CLASSES 43 * -- ICC_LINK_CLASS 44 * -- ICC_LISTVIEW_CLASSES 45 * -- ICC_NATIVEFNTCTL_CLASS 46 * -- ICC_PAGESCROLLER_CLASS 47 * -- ICC_PROGRESS_CLASS 48 * -- ICC_STANDARD_CLASSES (not yet implemented) 49 * -- ICC_TAB_CLASSES 50 * -- ICC_TREEVIEW_CLASSES 51 * -- ICC_UPDOWN_CLASS 52 * -- ICC_USEREX_CLASSES 53 * -- ICC_WIN95_CLASSES 54 */ 55 56 #include <stdarg.h> 57 #include <string.h> 58 #include <stdlib.h> 59 60 #include "windef.h" 61 #include "winbase.h" 62 #include "wingdi.h" 63 #include "winuser.h" 64 #include "winnls.h" 65 #include "commctrl.h" 66 #include "winerror.h" 67 #include "winreg.h" 68 #define NO_SHLWAPI_STREAM 69 #include "shlwapi.h" 70 #include "comctl32.h" 71 #include "wine/debug.h" 72 73 WINE_DEFAULT_DEBUG_CHANNEL(commctrl); 74 75 76 static LRESULT WINAPI COMCTL32_SubclassProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam); 77 78 static LPWSTR COMCTL32_wSubclass = NULL; 79 HMODULE COMCTL32_hModule = 0; 80 static LANGID COMCTL32_uiLang = MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL); 81 HBRUSH COMCTL32_hPattern55AABrush = NULL; 82 COMCTL32_SysColor comctl32_color; 83 84 static HBITMAP COMCTL32_hPattern55AABitmap = NULL; 85 86 static const WORD wPattern55AA[] = 87 { 88 0x5555, 0xaaaa, 0x5555, 0xaaaa, 89 0x5555, 0xaaaa, 0x5555, 0xaaaa 90 }; 91 92 static const WCHAR strCC32SubclassInfo[] = { 93 'C','C','3','2','S','u','b','c','l','a','s','s','I','n','f','o',0 94 }; 95 96 #ifdef __REACTOS__ 97 98 #include <strsafe.h> 99 100 #define NAME L"microsoft.windows.common-controls" 101 #define VERSION_V5 L"5.82.2600.2982" 102 #define VERSION L"6.0.2600.2982" 103 #define PUBLIC_KEY L"6595b64144ccf1df" 104 105 #ifdef __i386__ 106 #define ARCH L"x86" 107 #elif defined __x86_64__ 108 #define ARCH L"amd64" 109 #else 110 #define ARCH L"none" 111 #endif 112 113 static const WCHAR manifest_filename[] = ARCH L"_" NAME L"_" PUBLIC_KEY L"_" VERSION L"_none_deadbeef.manifest"; 114 static const WCHAR manifest_filename_v5[] = ARCH L"_" NAME L"_" PUBLIC_KEY L"_" VERSION_V5 L"_none_deadbeef.manifest"; 115 116 static WCHAR* GetManifestPath(BOOL create, BOOL bV6) 117 { 118 WCHAR *pwszBuf; 119 HRESULT hres; 120 121 pwszBuf = HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR)); 122 if (!pwszBuf) 123 return NULL; 124 125 GetWindowsDirectoryW(pwszBuf, MAX_PATH); 126 hres = StringCchCatW(pwszBuf, MAX_PATH, L"\\winsxs"); 127 if (FAILED(hres)) 128 return NULL; 129 if (create) 130 CreateDirectoryW(pwszBuf, NULL); 131 hres = StringCchCatW(pwszBuf, MAX_PATH, L"\\manifests\\"); 132 if (FAILED(hres)) 133 return NULL; 134 if (create) 135 CreateDirectoryW(pwszBuf, NULL); 136 137 hres = StringCchCatW(pwszBuf, MAX_PATH, bV6 ? manifest_filename : manifest_filename_v5); 138 if (FAILED(hres)) 139 return NULL; 140 141 return pwszBuf; 142 } 143 144 static HANDLE CreateComctl32ActCtx(BOOL bV6) 145 { 146 HANDLE ret; 147 WCHAR* pwstrSource; 148 ACTCTXW ActCtx = {sizeof(ACTCTX)}; 149 150 pwstrSource = GetManifestPath(FALSE, bV6); 151 if (!pwstrSource) 152 { 153 ERR("GetManifestPath failed! bV6=%d\n", bV6); 154 return INVALID_HANDLE_VALUE; 155 } 156 ActCtx.lpSource = pwstrSource; 157 ret = CreateActCtxW(&ActCtx); 158 HeapFree(GetProcessHeap(), 0, pwstrSource); 159 if (ret == INVALID_HANDLE_VALUE) 160 ERR("CreateActCtxW failed! bV6=%d\n", bV6); 161 return ret; 162 } 163 164 static void RegisterControls(BOOL bV6) 165 { 166 ANIMATE_Register (); 167 COMBOEX_Register (); 168 DATETIME_Register (); 169 FLATSB_Register (); 170 HEADER_Register (); 171 HOTKEY_Register (); 172 IPADDRESS_Register (); 173 LISTVIEW_Register (); 174 MONTHCAL_Register (); 175 NATIVEFONT_Register (); 176 PAGER_Register (); 177 PROGRESS_Register (); 178 REBAR_Register (); 179 STATUS_Register (); 180 SYSLINK_Register (); 181 TAB_Register (); 182 TOOLTIPS_Register (); 183 TRACKBAR_Register (); 184 TREEVIEW_Register (); 185 UPDOWN_Register (); 186 187 if (!bV6) 188 { 189 TOOLBAR_Register (); 190 } 191 else 192 { 193 BUTTON_Register (); 194 COMBO_Register (); 195 COMBOLBOX_Register (); 196 EDIT_Register (); 197 LISTBOX_Register (); 198 STATIC_Register (); 199 200 TOOLBARv6_Register(); 201 } 202 } 203 204 static void UnregisterControls(BOOL bV6) 205 { 206 ANIMATE_Unregister (); 207 COMBOEX_Unregister (); 208 DATETIME_Unregister (); 209 FLATSB_Unregister (); 210 HEADER_Unregister (); 211 HOTKEY_Unregister (); 212 IPADDRESS_Unregister (); 213 LISTVIEW_Unregister (); 214 MONTHCAL_Unregister (); 215 NATIVEFONT_Unregister (); 216 PAGER_Unregister (); 217 PROGRESS_Unregister (); 218 REBAR_Unregister (); 219 STATUS_Unregister (); 220 SYSLINK_Unregister (); 221 TAB_Unregister (); 222 TOOLTIPS_Unregister (); 223 TRACKBAR_Unregister (); 224 TREEVIEW_Unregister (); 225 UPDOWN_Unregister (); 226 227 if (!bV6) 228 { 229 TOOLBAR_Unregister (); 230 } 231 else 232 { 233 BUTTON_Unregister(); 234 COMBO_Unregister (); 235 COMBOLBOX_Unregister (); 236 EDIT_Unregister (); 237 LISTBOX_Unregister (); 238 STATIC_Unregister (); 239 240 TOOLBARv6_Unregister (); 241 } 242 243 } 244 245 static void InitializeClasses() 246 { 247 HANDLE hActCtx5, hActCtx6; 248 BOOL activated; 249 ULONG_PTR ulCookie; 250 251 /* like comctl32 5.82+ register all the common control classes */ 252 /* Register the classes once no matter what */ 253 hActCtx5 = CreateComctl32ActCtx(FALSE); 254 activated = (hActCtx5 != INVALID_HANDLE_VALUE ? ActivateActCtx(hActCtx5, &ulCookie) : FALSE); 255 RegisterControls(FALSE); /* Register the classes pretending to be v5 */ 256 if (activated) DeactivateActCtx(0, ulCookie); 257 258 hActCtx6 = CreateComctl32ActCtx(TRUE); 259 if (hActCtx6 != INVALID_HANDLE_VALUE) 260 { 261 activated = ActivateActCtx(hActCtx6, &ulCookie); 262 RegisterControls(TRUE); /* Register the classes pretending to be v6 */ 263 if (activated) DeactivateActCtx(0, ulCookie); 264 265 /* Initialize the themed controls only when the v6 manifest is present */ 266 THEMING_Initialize (hActCtx5, hActCtx6); 267 } 268 } 269 270 static void UninitializeClasses() 271 { 272 HANDLE hActCtx5, hActCtx6; 273 BOOL activated; 274 ULONG_PTR ulCookie; 275 276 hActCtx5 = CreateComctl32ActCtx(FALSE); 277 activated = (hActCtx5 != INVALID_HANDLE_VALUE ? ActivateActCtx(hActCtx5, &ulCookie) : FALSE); 278 UnregisterControls(FALSE); 279 if (activated) DeactivateActCtx(0, ulCookie); 280 281 hActCtx6 = CreateComctl32ActCtx(TRUE); 282 if (hActCtx6 != INVALID_HANDLE_VALUE) 283 { 284 activated = ActivateActCtx(hActCtx6, &ulCookie); 285 THEMING_Uninitialize(); 286 UnregisterControls(TRUE); 287 if (activated) DeactivateActCtx(0, ulCookie); 288 } 289 } 290 291 /*********************************************************************** 292 * RegisterClassNameW [COMCTL32.@] 293 * 294 * Register window class again while using as SxS module. 295 */ 296 BOOLEAN WINAPI RegisterClassNameW(LPCWSTR className) 297 { 298 InitializeClasses(); 299 return TRUE; 300 } 301 302 #endif /* __REACTOS__ */ 303 304 #ifndef __REACTOS__ 305 static void unregister_versioned_classes(void) 306 { 307 #define VERSION "6.0.2600.2982!" 308 static const char *classes[] = 309 { 310 VERSION WC_BUTTONA, 311 VERSION WC_COMBOBOXA, 312 VERSION "ComboLBox", 313 VERSION WC_EDITA, 314 VERSION WC_LISTBOXA, 315 VERSION WC_STATICA, 316 }; 317 int i; 318 319 for (i = 0; i < ARRAY_SIZE(classes); i++) 320 UnregisterClassA(classes[i], NULL); 321 322 #undef VERSION 323 } 324 #endif 325 326 /*********************************************************************** 327 * DllMain [Internal] 328 * 329 * Initializes the internal 'COMCTL32.DLL'. 330 * 331 * PARAMS 332 * hinstDLL [I] handle to the 'dlls' instance 333 * fdwReason [I] 334 * lpvReserved [I] reserved, must be NULL 335 * 336 * RETURNS 337 * Success: TRUE 338 * Failure: FALSE 339 */ 340 341 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) 342 { 343 TRACE("%p,%x,%p\n", hinstDLL, fdwReason, lpvReserved); 344 345 switch (fdwReason) { 346 case DLL_PROCESS_ATTACH: 347 DisableThreadLibraryCalls(hinstDLL); 348 349 COMCTL32_hModule = hinstDLL; 350 351 /* add global subclassing atom (used by 'tooltip' and 'updown') */ 352 COMCTL32_wSubclass = (LPWSTR)(DWORD_PTR)GlobalAddAtomW (strCC32SubclassInfo); 353 TRACE("Subclassing atom added: %p\n", COMCTL32_wSubclass); 354 355 /* create local pattern brush */ 356 COMCTL32_hPattern55AABitmap = CreateBitmap (8, 8, 1, 1, wPattern55AA); 357 COMCTL32_hPattern55AABrush = CreatePatternBrush (COMCTL32_hPattern55AABitmap); 358 359 /* Get all the colors at DLL load */ 360 COMCTL32_RefreshSysColors(); 361 362 #ifndef __REACTOS__ 363 /* like comctl32 5.82+ register all the common control classes */ 364 ANIMATE_Register (); 365 COMBOEX_Register (); 366 DATETIME_Register (); 367 FLATSB_Register (); 368 HEADER_Register (); 369 HOTKEY_Register (); 370 IPADDRESS_Register (); 371 LISTVIEW_Register (); 372 MONTHCAL_Register (); 373 NATIVEFONT_Register (); 374 PAGER_Register (); 375 PROGRESS_Register (); 376 REBAR_Register (); 377 STATUS_Register (); 378 SYSLINK_Register (); 379 TAB_Register (); 380 TOOLBAR_Register (); 381 TOOLTIPS_Register (); 382 TRACKBAR_Register (); 383 TREEVIEW_Register (); 384 UPDOWN_Register (); 385 386 BUTTON_Register (); 387 COMBO_Register (); 388 COMBOLBOX_Register (); 389 EDIT_Register (); 390 LISTBOX_Register (); 391 STATIC_Register (); 392 393 /* subclass user32 controls */ 394 THEMING_Initialize (); 395 #else 396 InitializeClasses(); 397 #endif 398 399 break; 400 401 case DLL_PROCESS_DETACH: 402 if (lpvReserved) break; 403 #ifndef __REACTOS__ 404 /* clean up subclassing */ 405 THEMING_Uninitialize(); 406 407 /* unregister all common control classes */ 408 ANIMATE_Unregister (); 409 COMBOEX_Unregister (); 410 DATETIME_Unregister (); 411 FLATSB_Unregister (); 412 HEADER_Unregister (); 413 HOTKEY_Unregister (); 414 IPADDRESS_Unregister (); 415 LISTVIEW_Unregister (); 416 MONTHCAL_Unregister (); 417 NATIVEFONT_Unregister (); 418 PAGER_Unregister (); 419 PROGRESS_Unregister (); 420 REBAR_Unregister (); 421 STATUS_Unregister (); 422 SYSLINK_Unregister (); 423 TAB_Unregister (); 424 TOOLBAR_Unregister (); 425 TOOLTIPS_Unregister (); 426 TRACKBAR_Unregister (); 427 TREEVIEW_Unregister (); 428 UPDOWN_Unregister (); 429 430 unregister_versioned_classes (); 431 432 #else 433 UninitializeClasses(); 434 #endif 435 /* delete local pattern brush */ 436 DeleteObject (COMCTL32_hPattern55AABrush); 437 DeleteObject (COMCTL32_hPattern55AABitmap); 438 439 /* delete global subclassing atom */ 440 GlobalDeleteAtom (LOWORD(COMCTL32_wSubclass)); 441 TRACE("Subclassing atom deleted: %p\n", COMCTL32_wSubclass); 442 break; 443 } 444 445 return TRUE; 446 } 447 448 449 /*********************************************************************** 450 * MenuHelp [COMCTL32.2] 451 * 452 * Handles the setting of status bar help messages when the user 453 * selects menu items. 454 * 455 * PARAMS 456 * uMsg [I] message (WM_MENUSELECT) (see NOTES) 457 * wParam [I] wParam of the message uMsg 458 * lParam [I] lParam of the message uMsg 459 * hMainMenu [I] handle to the application's main menu 460 * hInst [I] handle to the module that contains string resources 461 * hwndStatus [I] handle to the status bar window 462 * lpwIDs [I] pointer to an array of integers (see NOTES) 463 * 464 * RETURNS 465 * No return value 466 * 467 * NOTES 468 * The official documentation is incomplete! 469 * This is the correct documentation: 470 * 471 * uMsg: 472 * MenuHelp() does NOT handle WM_COMMAND messages! It only handles 473 * WM_MENUSELECT messages. 474 * 475 * lpwIDs: 476 * (will be written ...) 477 */ 478 479 VOID WINAPI 480 MenuHelp (UINT uMsg, WPARAM wParam, LPARAM lParam, HMENU hMainMenu, 481 HINSTANCE hInst, HWND hwndStatus, UINT* lpwIDs) 482 { 483 UINT uMenuID = 0; 484 485 if (!IsWindow (hwndStatus)) 486 return; 487 488 switch (uMsg) { 489 case WM_MENUSELECT: 490 TRACE("WM_MENUSELECT wParam=0x%lX lParam=0x%lX\n", 491 wParam, lParam); 492 493 if ((HIWORD(wParam) == 0xFFFF) && (lParam == 0)) { 494 /* menu was closed */ 495 TRACE("menu was closed!\n"); 496 SendMessageW (hwndStatus, SB_SIMPLE, FALSE, 0); 497 } 498 else { 499 /* menu item was selected */ 500 if (HIWORD(wParam) & MF_POPUP) 501 uMenuID = *(lpwIDs+1); 502 else 503 uMenuID = (UINT)LOWORD(wParam); 504 TRACE("uMenuID = %u\n", uMenuID); 505 506 if (uMenuID) { 507 WCHAR szText[256]; 508 509 if (!LoadStringW (hInst, uMenuID, szText, ARRAY_SIZE(szText))) 510 szText[0] = '\0'; 511 512 SendMessageW (hwndStatus, SB_SETTEXTW, 513 255 | SBT_NOBORDERS, (LPARAM)szText); 514 SendMessageW (hwndStatus, SB_SIMPLE, TRUE, 0); 515 } 516 } 517 break; 518 519 case WM_COMMAND : 520 TRACE("WM_COMMAND wParam=0x%lX lParam=0x%lX\n", 521 wParam, lParam); 522 /* WM_COMMAND is not invalid since it is documented 523 * in the windows api reference. So don't output 524 * any FIXME for WM_COMMAND 525 */ 526 WARN("We don't care about the WM_COMMAND\n"); 527 break; 528 529 default: 530 FIXME("Invalid Message 0x%x!\n", uMsg); 531 break; 532 } 533 } 534 535 536 /*********************************************************************** 537 * ShowHideMenuCtl [COMCTL32.3] 538 * 539 * Shows or hides controls and updates the corresponding menu item. 540 * 541 * PARAMS 542 * hwnd [I] handle to the client window. 543 * uFlags [I] menu command id. 544 * lpInfo [I] pointer to an array of integers. (See NOTES.) 545 * 546 * RETURNS 547 * Success: TRUE 548 * Failure: FALSE 549 * 550 * NOTES 551 * The official documentation is incomplete! 552 * This is the correct documentation: 553 * 554 * hwnd 555 * Handle to the window that contains the menu and controls. 556 * 557 * uFlags 558 * Identifier of the menu item to receive or lose a check mark. 559 * 560 * lpInfo 561 * The array of integers contains pairs of values. BOTH values of 562 * the first pair must be the handles to the application's main menu. 563 * Each subsequent pair consists of a menu id and control id. 564 */ 565 566 BOOL WINAPI 567 ShowHideMenuCtl (HWND hwnd, UINT_PTR uFlags, LPINT lpInfo) 568 { 569 LPINT lpMenuId; 570 571 TRACE("%p, %lx, %p\n", hwnd, uFlags, lpInfo); 572 573 if (lpInfo == NULL) 574 return FALSE; 575 576 if (!(lpInfo[0]) || !(lpInfo[1])) 577 return FALSE; 578 579 /* search for control */ 580 lpMenuId = &lpInfo[2]; 581 while (*lpMenuId != uFlags) 582 lpMenuId += 2; 583 584 if (GetMenuState ((HMENU)(DWORD_PTR)lpInfo[1], uFlags, MF_BYCOMMAND) & MFS_CHECKED) { 585 /* uncheck menu item */ 586 CheckMenuItem ((HMENU)(DWORD_PTR)lpInfo[0], *lpMenuId, MF_BYCOMMAND | MF_UNCHECKED); 587 588 /* hide control */ 589 lpMenuId++; 590 SetWindowPos (GetDlgItem (hwnd, *lpMenuId), 0, 0, 0, 0, 0, 591 SWP_HIDEWINDOW); 592 } 593 else { 594 /* check menu item */ 595 CheckMenuItem ((HMENU)(DWORD_PTR)lpInfo[0], *lpMenuId, MF_BYCOMMAND | MF_CHECKED); 596 597 /* show control */ 598 lpMenuId++; 599 SetWindowPos (GetDlgItem (hwnd, *lpMenuId), 0, 0, 0, 0, 0, 600 SWP_SHOWWINDOW); 601 } 602 603 return TRUE; 604 } 605 606 607 /*********************************************************************** 608 * GetEffectiveClientRect [COMCTL32.4] 609 * 610 * Calculates the coordinates of a rectangle in the client area. 611 * 612 * PARAMS 613 * hwnd [I] handle to the client window. 614 * lpRect [O] pointer to the rectangle of the client window 615 * lpInfo [I] pointer to an array of integers (see NOTES) 616 * 617 * RETURNS 618 * No return value. 619 * 620 * NOTES 621 * The official documentation is incomplete! 622 * This is the correct documentation: 623 * 624 * lpInfo 625 * (will be written ...) 626 */ 627 628 VOID WINAPI 629 GetEffectiveClientRect (HWND hwnd, LPRECT lpRect, const INT *lpInfo) 630 { 631 RECT rcCtrl; 632 const INT *lpRun; 633 HWND hwndCtrl; 634 635 TRACE("(%p %p %p)\n", 636 hwnd, lpRect, lpInfo); 637 638 GetClientRect (hwnd, lpRect); 639 lpRun = lpInfo; 640 641 do { 642 lpRun += 2; 643 if (*lpRun == 0) 644 return; 645 lpRun++; 646 hwndCtrl = GetDlgItem (hwnd, *lpRun); 647 if (GetWindowLongW (hwndCtrl, GWL_STYLE) & WS_VISIBLE) { 648 TRACE("control id 0x%x\n", *lpRun); 649 GetWindowRect (hwndCtrl, &rcCtrl); 650 MapWindowPoints (NULL, hwnd, (LPPOINT)&rcCtrl, 2); 651 SubtractRect (lpRect, lpRect, &rcCtrl); 652 } 653 lpRun++; 654 } while (*lpRun); 655 } 656 657 658 /*********************************************************************** 659 * DrawStatusTextW [COMCTL32.@] 660 * 661 * Draws text with borders, like in a status bar. 662 * 663 * PARAMS 664 * hdc [I] handle to the window's display context 665 * lprc [I] pointer to a rectangle 666 * text [I] pointer to the text 667 * style [I] drawing style 668 * 669 * RETURNS 670 * No return value. 671 * 672 * NOTES 673 * The style variable can have one of the following values: 674 * (will be written ...) 675 */ 676 677 void WINAPI DrawStatusTextW (HDC hdc, LPCRECT lprc, LPCWSTR text, UINT style) 678 { 679 RECT r = *lprc; 680 UINT border = BDR_SUNKENOUTER; 681 682 if (style & SBT_POPOUT) 683 border = BDR_RAISEDOUTER; 684 else if (style & SBT_NOBORDERS) 685 border = 0; 686 687 DrawEdge (hdc, &r, border, BF_RECT|BF_ADJUST); 688 689 /* now draw text */ 690 if (text) { 691 int oldbkmode = SetBkMode (hdc, TRANSPARENT); 692 UINT align = DT_LEFT; 693 int strCnt = 0; 694 695 if (style & SBT_RTLREADING) 696 FIXME("Unsupported RTL style!\n"); 697 r.left += 3; 698 do { 699 if (*text == '\t') { 700 if (strCnt) { 701 DrawTextW (hdc, text - strCnt, strCnt, &r, align|DT_VCENTER|DT_SINGLELINE|DT_NOPREFIX); 702 strCnt = 0; 703 } 704 if (align==DT_RIGHT) { 705 break; 706 } 707 align = (align==DT_LEFT ? DT_CENTER : DT_RIGHT); 708 } else { 709 strCnt++; 710 } 711 } while(*text++); 712 713 if (strCnt) DrawTextW (hdc, text - strCnt, -1, &r, align|DT_VCENTER|DT_SINGLELINE|DT_NOPREFIX); 714 SetBkMode(hdc, oldbkmode); 715 } 716 } 717 718 719 /*********************************************************************** 720 * DrawStatusText [COMCTL32.@] 721 * DrawStatusTextA [COMCTL32.5] 722 * 723 * Draws text with borders, like in a status bar. 724 * 725 * PARAMS 726 * hdc [I] handle to the window's display context 727 * lprc [I] pointer to a rectangle 728 * text [I] pointer to the text 729 * style [I] drawing style 730 * 731 * RETURNS 732 * No return value. 733 */ 734 735 void WINAPI DrawStatusTextA (HDC hdc, LPCRECT lprc, LPCSTR text, UINT style) 736 { 737 INT len; 738 LPWSTR textW = NULL; 739 740 if ( text ) { 741 if ( (len = MultiByteToWideChar( CP_ACP, 0, text, -1, NULL, 0 )) ) { 742 if ( (textW = Alloc( len * sizeof(WCHAR) )) ) 743 MultiByteToWideChar( CP_ACP, 0, text, -1, textW, len ); 744 } 745 } 746 DrawStatusTextW( hdc, lprc, textW, style ); 747 Free( textW ); 748 } 749 750 751 /*********************************************************************** 752 * CreateStatusWindow [COMCTL32.@] 753 * CreateStatusWindowA [COMCTL32.6] 754 * 755 * Creates a status bar 756 * 757 * PARAMS 758 * style [I] window style 759 * text [I] pointer to the window text 760 * parent [I] handle to the parent window 761 * wid [I] control id of the status bar 762 * 763 * RETURNS 764 * Success: handle to the status window 765 * Failure: 0 766 */ 767 768 HWND WINAPI 769 CreateStatusWindowA (LONG style, LPCSTR text, HWND parent, UINT wid) 770 { 771 return CreateWindowA(STATUSCLASSNAMEA, text, style, 772 CW_USEDEFAULT, CW_USEDEFAULT, 773 CW_USEDEFAULT, CW_USEDEFAULT, 774 parent, (HMENU)(DWORD_PTR)wid, 0, 0); 775 } 776 777 778 /*********************************************************************** 779 * CreateStatusWindowW [COMCTL32.@] 780 * 781 * Creates a status bar control 782 * 783 * PARAMS 784 * style [I] window style 785 * text [I] pointer to the window text 786 * parent [I] handle to the parent window 787 * wid [I] control id of the status bar 788 * 789 * RETURNS 790 * Success: handle to the status window 791 * Failure: 0 792 */ 793 794 HWND WINAPI 795 CreateStatusWindowW (LONG style, LPCWSTR text, HWND parent, UINT wid) 796 { 797 return CreateWindowW(STATUSCLASSNAMEW, text, style, 798 CW_USEDEFAULT, CW_USEDEFAULT, 799 CW_USEDEFAULT, CW_USEDEFAULT, 800 parent, (HMENU)(DWORD_PTR)wid, 0, 0); 801 } 802 803 804 /*********************************************************************** 805 * CreateUpDownControl [COMCTL32.16] 806 * 807 * Creates an up-down control 808 * 809 * PARAMS 810 * style [I] window styles 811 * x [I] horizontal position of the control 812 * y [I] vertical position of the control 813 * cx [I] with of the control 814 * cy [I] height of the control 815 * parent [I] handle to the parent window 816 * id [I] the control's identifier 817 * inst [I] handle to the application's module instance 818 * buddy [I] handle to the buddy window, can be NULL 819 * maxVal [I] upper limit of the control 820 * minVal [I] lower limit of the control 821 * curVal [I] current value of the control 822 * 823 * RETURNS 824 * Success: handle to the updown control 825 * Failure: 0 826 */ 827 828 HWND WINAPI 829 CreateUpDownControl (DWORD style, INT x, INT y, INT cx, INT cy, 830 HWND parent, INT id, HINSTANCE inst, 831 HWND buddy, INT maxVal, INT minVal, INT curVal) 832 { 833 HWND hUD = 834 CreateWindowW (UPDOWN_CLASSW, 0, style, x, y, cx, cy, 835 parent, (HMENU)(DWORD_PTR)id, inst, 0); 836 if (hUD) { 837 SendMessageW (hUD, UDM_SETBUDDY, (WPARAM)buddy, 0); 838 SendMessageW (hUD, UDM_SETRANGE, 0, MAKELONG(maxVal, minVal)); 839 SendMessageW (hUD, UDM_SETPOS, 0, MAKELONG(curVal, 0)); 840 } 841 842 return hUD; 843 } 844 845 846 /*********************************************************************** 847 * InitCommonControls [COMCTL32.17] 848 * 849 * Registers the common controls. 850 * 851 * PARAMS 852 * No parameters. 853 * 854 * RETURNS 855 * No return values. 856 * 857 * NOTES 858 * This function is just a dummy - all the controls are registered at 859 * the DLL initialization time. See InitCommonContolsEx for details. 860 */ 861 862 VOID WINAPI 863 InitCommonControls (void) 864 { 865 } 866 867 868 /*********************************************************************** 869 * InitCommonControlsEx [COMCTL32.@] 870 * 871 * Registers the common controls. 872 * 873 * PARAMS 874 * lpInitCtrls [I] pointer to an INITCOMMONCONTROLS structure. 875 * 876 * RETURNS 877 * Success: TRUE 878 * Failure: FALSE 879 * 880 * NOTES 881 * Probably all versions of comctl32 initializes the Win95 controls in DllMain 882 * during DLL initialization. Starting from comctl32 v5.82 all the controls 883 * are initialized there. We follow this behaviour and this function is just 884 * a dummy. 885 * 886 * Note: when writing programs under Windows, if you don't call any function 887 * from comctl32 the linker may not link this DLL. If InitCommonControlsEx 888 * was the only comctl32 function you were calling and you remove it you may 889 * have a false impression that InitCommonControlsEx actually did something. 890 */ 891 892 BOOL WINAPI 893 InitCommonControlsEx (const INITCOMMONCONTROLSEX *lpInitCtrls) 894 { 895 if (!lpInitCtrls || lpInitCtrls->dwSize != sizeof(INITCOMMONCONTROLSEX)) 896 return FALSE; 897 898 TRACE("(0x%08x)\n", lpInitCtrls->dwICC); 899 return TRUE; 900 } 901 902 903 /*********************************************************************** 904 * CreateToolbarEx [COMCTL32.@] 905 * 906 * Creates a toolbar window. 907 * 908 * PARAMS 909 * hwnd 910 * style 911 * wID 912 * nBitmaps 913 * hBMInst 914 * wBMID 915 * lpButtons 916 * iNumButtons 917 * dxButton 918 * dyButton 919 * dxBitmap 920 * dyBitmap 921 * uStructSize 922 * 923 * RETURNS 924 * Success: handle to the tool bar control 925 * Failure: 0 926 */ 927 928 HWND WINAPI 929 CreateToolbarEx (HWND hwnd, DWORD style, UINT wID, INT nBitmaps, 930 HINSTANCE hBMInst, UINT_PTR wBMID, LPCTBBUTTON lpButtons, 931 INT iNumButtons, INT dxButton, INT dyButton, 932 INT dxBitmap, INT dyBitmap, UINT uStructSize) 933 { 934 HWND hwndTB; 935 936 hwndTB = 937 CreateWindowExW(0, TOOLBARCLASSNAMEW, NULL, style|WS_CHILD, 0,0,100,30, 938 hwnd, (HMENU)(DWORD_PTR)wID, COMCTL32_hModule, NULL); 939 if(hwndTB) { 940 TBADDBITMAP tbab; 941 942 SendMessageW (hwndTB, TB_BUTTONSTRUCTSIZE, uStructSize, 0); 943 944 /* set bitmap and button size */ 945 /*If CreateToolbarEx receives 0, windows sets default values*/ 946 if (dxBitmap < 0) 947 dxBitmap = 16; 948 if (dyBitmap < 0) 949 dyBitmap = 16; 950 if (dxBitmap == 0 || dyBitmap == 0) 951 dxBitmap = dyBitmap = 16; 952 SendMessageW(hwndTB, TB_SETBITMAPSIZE, 0, MAKELPARAM(dxBitmap, dyBitmap)); 953 954 if (dxButton < 0) 955 dxButton = dxBitmap; 956 if (dyButton < 0) 957 dyButton = dyBitmap; 958 /* TB_SETBUTTONSIZE -> TB_SETBITMAPSIZE bug introduced for Windows compatibility */ 959 if (dxButton != 0 && dyButton != 0) 960 SendMessageW(hwndTB, TB_SETBITMAPSIZE, 0, MAKELPARAM(dxButton, dyButton)); 961 962 963 /* add bitmaps */ 964 if (nBitmaps > 0 || hBMInst == HINST_COMMCTRL) 965 { 966 tbab.hInst = hBMInst; 967 tbab.nID = wBMID; 968 969 SendMessageW (hwndTB, TB_ADDBITMAP, nBitmaps, (LPARAM)&tbab); 970 } 971 /* add buttons */ 972 if(iNumButtons > 0) 973 SendMessageW (hwndTB, TB_ADDBUTTONSW, iNumButtons, (LPARAM)lpButtons); 974 } 975 976 return hwndTB; 977 } 978 979 980 /*********************************************************************** 981 * CreateMappedBitmap [COMCTL32.8] 982 * 983 * Loads a bitmap resource using a colour map. 984 * 985 * PARAMS 986 * hInstance [I] Handle to the module containing the bitmap. 987 * idBitmap [I] The bitmap resource ID. 988 * wFlags [I] CMB_MASKED for using bitmap as a mask or 0 for normal. 989 * lpColorMap [I] Colour information needed for the bitmap or NULL (uses system colours). 990 * iNumMaps [I] Number of COLORMAP's pointed to by lpColorMap. 991 * 992 * RETURNS 993 * Success: handle to the new bitmap 994 * Failure: 0 995 */ 996 997 HBITMAP WINAPI 998 CreateMappedBitmap (HINSTANCE hInstance, INT_PTR idBitmap, UINT wFlags, 999 LPCOLORMAP lpColorMap, INT iNumMaps) 1000 { 1001 HGLOBAL hglb; 1002 HRSRC hRsrc; 1003 const BITMAPINFOHEADER *lpBitmap; 1004 LPBITMAPINFOHEADER lpBitmapInfo; 1005 UINT nSize, nColorTableSize, iColor; 1006 RGBQUAD *pColorTable; 1007 INT i, iMaps, nWidth, nHeight; 1008 HDC hdcScreen; 1009 HBITMAP hbm; 1010 LPCOLORMAP sysColorMap; 1011 COLORREF cRef; 1012 COLORMAP internalColorMap[4] = 1013 {{0x000000, 0}, {0x808080, 0}, {0xC0C0C0, 0}, {0xFFFFFF, 0}}; 1014 1015 /* initialize pointer to colortable and default color table */ 1016 if (lpColorMap) { 1017 iMaps = iNumMaps; 1018 sysColorMap = lpColorMap; 1019 } 1020 else { 1021 internalColorMap[0].to = GetSysColor (COLOR_BTNTEXT); 1022 internalColorMap[1].to = GetSysColor (COLOR_BTNSHADOW); 1023 internalColorMap[2].to = GetSysColor (COLOR_BTNFACE); 1024 internalColorMap[3].to = GetSysColor (COLOR_BTNHIGHLIGHT); 1025 iMaps = 4; 1026 sysColorMap = internalColorMap; 1027 } 1028 1029 hRsrc = FindResourceW (hInstance, (LPWSTR)idBitmap, (LPWSTR)RT_BITMAP); 1030 if (hRsrc == 0) 1031 return 0; 1032 hglb = LoadResource (hInstance, hRsrc); 1033 if (hglb == 0) 1034 return 0; 1035 lpBitmap = LockResource (hglb); 1036 if (lpBitmap == NULL) 1037 return 0; 1038 1039 if (lpBitmap->biSize >= sizeof(BITMAPINFOHEADER) && lpBitmap->biClrUsed) 1040 nColorTableSize = lpBitmap->biClrUsed; 1041 else if (lpBitmap->biBitCount <= 8) 1042 nColorTableSize = (1 << lpBitmap->biBitCount); 1043 else 1044 nColorTableSize = 0; 1045 nSize = lpBitmap->biSize; 1046 if (nSize == sizeof(BITMAPINFOHEADER) && lpBitmap->biCompression == BI_BITFIELDS) 1047 nSize += 3 * sizeof(DWORD); 1048 nSize += nColorTableSize * sizeof(RGBQUAD); 1049 lpBitmapInfo = GlobalAlloc (GMEM_FIXED, nSize); 1050 if (lpBitmapInfo == NULL) 1051 return 0; 1052 RtlMoveMemory (lpBitmapInfo, lpBitmap, nSize); 1053 1054 pColorTable = (RGBQUAD*)(((LPBYTE)lpBitmapInfo) + lpBitmapInfo->biSize); 1055 1056 for (iColor = 0; iColor < nColorTableSize; iColor++) { 1057 for (i = 0; i < iMaps; i++) { 1058 cRef = RGB(pColorTable[iColor].rgbRed, 1059 pColorTable[iColor].rgbGreen, 1060 pColorTable[iColor].rgbBlue); 1061 if ( cRef == sysColorMap[i].from) { 1062 #if 0 1063 if (wFlags & CBS_MASKED) { 1064 if (sysColorMap[i].to != COLOR_BTNTEXT) 1065 pColorTable[iColor] = RGB(255, 255, 255); 1066 } 1067 else 1068 #endif 1069 pColorTable[iColor].rgbBlue = GetBValue(sysColorMap[i].to); 1070 pColorTable[iColor].rgbGreen = GetGValue(sysColorMap[i].to); 1071 pColorTable[iColor].rgbRed = GetRValue(sysColorMap[i].to); 1072 break; 1073 } 1074 } 1075 } 1076 nWidth = lpBitmapInfo->biWidth; 1077 nHeight = lpBitmapInfo->biHeight; 1078 hdcScreen = GetDC (NULL); 1079 hbm = CreateCompatibleBitmap (hdcScreen, nWidth, nHeight); 1080 if (hbm) { 1081 HDC hdcDst = CreateCompatibleDC (hdcScreen); 1082 HBITMAP hbmOld = SelectObject (hdcDst, hbm); 1083 const BYTE *lpBits = (const BYTE *)lpBitmap + nSize; 1084 StretchDIBits (hdcDst, 0, 0, nWidth, nHeight, 0, 0, nWidth, nHeight, 1085 lpBits, (LPBITMAPINFO)lpBitmapInfo, DIB_RGB_COLORS, 1086 SRCCOPY); 1087 SelectObject (hdcDst, hbmOld); 1088 DeleteDC (hdcDst); 1089 } 1090 ReleaseDC (NULL, hdcScreen); 1091 GlobalFree (lpBitmapInfo); 1092 FreeResource (hglb); 1093 1094 return hbm; 1095 } 1096 1097 1098 /*********************************************************************** 1099 * CreateToolbar [COMCTL32.7] 1100 * 1101 * Creates a toolbar control. 1102 * 1103 * PARAMS 1104 * hwnd 1105 * style 1106 * wID 1107 * nBitmaps 1108 * hBMInst 1109 * wBMID 1110 * lpButtons 1111 * iNumButtons 1112 * 1113 * RETURNS 1114 * Success: handle to the tool bar control 1115 * Failure: 0 1116 * 1117 * NOTES 1118 * Do not use this function anymore. Use CreateToolbarEx instead. 1119 */ 1120 1121 HWND WINAPI 1122 CreateToolbar (HWND hwnd, DWORD style, UINT wID, INT nBitmaps, 1123 HINSTANCE hBMInst, UINT wBMID, 1124 LPCTBBUTTON lpButtons,INT iNumButtons) 1125 { 1126 return CreateToolbarEx (hwnd, style | CCS_NODIVIDER, wID, nBitmaps, 1127 hBMInst, wBMID, lpButtons, 1128 iNumButtons, 0, 0, 0, 0, CCSIZEOF_STRUCT(TBBUTTON, dwData)); 1129 } 1130 1131 1132 /*********************************************************************** 1133 * DllGetVersion [COMCTL32.@] 1134 * 1135 * Retrieves version information of the 'COMCTL32.DLL' 1136 * 1137 * PARAMS 1138 * pdvi [O] pointer to version information structure. 1139 * 1140 * RETURNS 1141 * Success: S_OK 1142 * Failure: E_INVALIDARG 1143 * 1144 * NOTES 1145 * Returns version of a comctl32.dll from IE4.01 SP1. 1146 */ 1147 1148 HRESULT WINAPI DllGetVersion (DLLVERSIONINFO *pdvi) 1149 { 1150 if (pdvi->cbSize != sizeof(DLLVERSIONINFO)) { 1151 WARN("wrong DLLVERSIONINFO size from app\n"); 1152 return E_INVALIDARG; 1153 } 1154 1155 pdvi->dwMajorVersion = COMCTL32_VERSION; 1156 pdvi->dwMinorVersion = COMCTL32_VERSION_MINOR; 1157 pdvi->dwBuildNumber = 2919; 1158 pdvi->dwPlatformID = 6304; 1159 1160 TRACE("%u.%u.%u.%u\n", 1161 pdvi->dwMajorVersion, pdvi->dwMinorVersion, 1162 pdvi->dwBuildNumber, pdvi->dwPlatformID); 1163 1164 return S_OK; 1165 } 1166 1167 /*********************************************************************** 1168 * DllInstall (COMCTL32.@) 1169 * 1170 * Installs the ComCtl32 DLL. 1171 * 1172 * RETURNS 1173 * Success: S_OK 1174 * Failure: A HRESULT error 1175 */ 1176 HRESULT WINAPI DllInstall(BOOL bInstall, LPCWSTR cmdline) 1177 { 1178 TRACE("(%u, %s): stub\n", bInstall, debugstr_w(cmdline)); 1179 return S_OK; 1180 } 1181 1182 /*********************************************************************** 1183 * _TrackMouseEvent [COMCTL32.@] 1184 * 1185 * Requests notification of mouse events 1186 * 1187 * During mouse tracking WM_MOUSEHOVER or WM_MOUSELEAVE events are posted 1188 * to the hwnd specified in the ptme structure. After the event message 1189 * is posted to the hwnd, the entry in the queue is removed. 1190 * 1191 * If the current hwnd isn't ptme->hwndTrack the TME_HOVER flag is completely 1192 * ignored. The TME_LEAVE flag results in a WM_MOUSELEAVE message being posted 1193 * immediately and the TME_LEAVE flag being ignored. 1194 * 1195 * PARAMS 1196 * ptme [I,O] pointer to TRACKMOUSEEVENT information structure. 1197 * 1198 * RETURNS 1199 * Success: non-zero 1200 * Failure: zero 1201 * 1202 * IMPLEMENTATION moved to USER32.TrackMouseEvent 1203 * 1204 */ 1205 1206 BOOL WINAPI 1207 _TrackMouseEvent (TRACKMOUSEEVENT *ptme) 1208 { 1209 return TrackMouseEvent (ptme); 1210 } 1211 1212 /************************************************************************* 1213 * GetMUILanguage [COMCTL32.@] 1214 * 1215 * Returns the user interface language in use by the current process. 1216 * 1217 * RETURNS 1218 * Language ID in use by the current process. 1219 */ 1220 LANGID WINAPI GetMUILanguage (VOID) 1221 { 1222 return COMCTL32_uiLang; 1223 } 1224 1225 1226 /************************************************************************* 1227 * InitMUILanguage [COMCTL32.@] 1228 * 1229 * Sets the user interface language to be used by the current process. 1230 * 1231 * RETURNS 1232 * Nothing. 1233 */ 1234 VOID WINAPI InitMUILanguage (LANGID uiLang) 1235 { 1236 COMCTL32_uiLang = uiLang; 1237 } 1238 1239 1240 /*********************************************************************** 1241 * SetWindowSubclass [COMCTL32.410] 1242 * 1243 * Starts a window subclass 1244 * 1245 * PARAMS 1246 * hWnd [in] handle to window subclass. 1247 * pfnSubclass [in] Pointer to new window procedure. 1248 * uIDSubclass [in] Unique identifier of subclass together with pfnSubclass. 1249 * dwRef [in] Reference data to pass to window procedure. 1250 * 1251 * RETURNS 1252 * Success: non-zero 1253 * Failure: zero 1254 * 1255 * BUGS 1256 * If an application manually subclasses a window after subclassing it with 1257 * this API and then with this API again, then none of the previous 1258 * subclasses get called or the original window procedure. 1259 */ 1260 1261 BOOL WINAPI SetWindowSubclass (HWND hWnd, SUBCLASSPROC pfnSubclass, 1262 UINT_PTR uIDSubclass, DWORD_PTR dwRef) 1263 { 1264 LPSUBCLASS_INFO stack; 1265 LPSUBCLASSPROCS proc; 1266 1267 TRACE ("(%p, %p, %lx, %lx)\n", hWnd, pfnSubclass, uIDSubclass, dwRef); 1268 1269 /* Since the window procedure that we set here has two additional arguments, 1270 * we can't simply set it as the new window procedure of the window. So we 1271 * set our own window procedure and then calculate the other two arguments 1272 * from there. */ 1273 1274 /* See if we have been called for this window */ 1275 stack = GetPropW (hWnd, COMCTL32_wSubclass); 1276 if (!stack) { 1277 /* allocate stack */ 1278 stack = Alloc (sizeof(SUBCLASS_INFO)); 1279 if (!stack) { 1280 ERR ("Failed to allocate our Subclassing stack\n"); 1281 return FALSE; 1282 } 1283 SetPropW (hWnd, COMCTL32_wSubclass, stack); 1284 1285 /* set window procedure to our own and save the current one */ 1286 if (IsWindowUnicode (hWnd)) 1287 stack->origproc = (WNDPROC)SetWindowLongPtrW (hWnd, GWLP_WNDPROC, 1288 (DWORD_PTR)COMCTL32_SubclassProc); 1289 else 1290 stack->origproc = (WNDPROC)SetWindowLongPtrA (hWnd, GWLP_WNDPROC, 1291 (DWORD_PTR)COMCTL32_SubclassProc); 1292 } 1293 else { 1294 /* Check to see if we have called this function with the same uIDSubClass 1295 * and pfnSubclass */ 1296 proc = stack->SubclassProcs; 1297 while (proc) { 1298 if ((proc->id == uIDSubclass) && 1299 (proc->subproc == pfnSubclass)) { 1300 proc->ref = dwRef; 1301 return TRUE; 1302 } 1303 proc = proc->next; 1304 } 1305 } 1306 1307 proc = Alloc(sizeof(SUBCLASSPROCS)); 1308 if (!proc) { 1309 ERR ("Failed to allocate subclass entry in stack\n"); 1310 if (IsWindowUnicode (hWnd)) 1311 SetWindowLongPtrW (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc); 1312 else 1313 SetWindowLongPtrA (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc); 1314 Free (stack); 1315 RemovePropW( hWnd, COMCTL32_wSubclass ); 1316 return FALSE; 1317 } 1318 1319 proc->subproc = pfnSubclass; 1320 proc->ref = dwRef; 1321 proc->id = uIDSubclass; 1322 proc->next = stack->SubclassProcs; 1323 stack->SubclassProcs = proc; 1324 1325 return TRUE; 1326 } 1327 1328 1329 /*********************************************************************** 1330 * GetWindowSubclass [COMCTL32.411] 1331 * 1332 * Gets the Reference data from a subclass. 1333 * 1334 * PARAMS 1335 * hWnd [in] Handle to the window which we are subclassing 1336 * pfnSubclass [in] Pointer to the subclass procedure 1337 * uID [in] Unique identifier of the subclassing procedure 1338 * pdwRef [out] Pointer to the reference data 1339 * 1340 * RETURNS 1341 * Success: Non-zero 1342 * Failure: 0 1343 */ 1344 1345 BOOL WINAPI GetWindowSubclass (HWND hWnd, SUBCLASSPROC pfnSubclass, 1346 UINT_PTR uID, DWORD_PTR *pdwRef) 1347 { 1348 const SUBCLASS_INFO *stack; 1349 const SUBCLASSPROCS *proc; 1350 1351 TRACE ("(%p, %p, %lx, %p)\n", hWnd, pfnSubclass, uID, pdwRef); 1352 1353 /* See if we have been called for this window */ 1354 stack = GetPropW (hWnd, COMCTL32_wSubclass); 1355 if (!stack) 1356 return FALSE; 1357 1358 proc = stack->SubclassProcs; 1359 while (proc) { 1360 if ((proc->id == uID) && 1361 (proc->subproc == pfnSubclass)) { 1362 *pdwRef = proc->ref; 1363 return TRUE; 1364 } 1365 proc = proc->next; 1366 } 1367 1368 return FALSE; 1369 } 1370 1371 1372 /*********************************************************************** 1373 * RemoveWindowSubclass [COMCTL32.412] 1374 * 1375 * Removes a window subclass. 1376 * 1377 * PARAMS 1378 * hWnd [in] Handle to the window which we are subclassing 1379 * pfnSubclass [in] Pointer to the subclass procedure 1380 * uID [in] Unique identifier of this subclass 1381 * 1382 * RETURNS 1383 * Success: non-zero 1384 * Failure: zero 1385 */ 1386 1387 BOOL WINAPI RemoveWindowSubclass(HWND hWnd, SUBCLASSPROC pfnSubclass, UINT_PTR uID) 1388 { 1389 LPSUBCLASS_INFO stack; 1390 LPSUBCLASSPROCS prevproc = NULL; 1391 LPSUBCLASSPROCS proc; 1392 BOOL ret = FALSE; 1393 1394 TRACE ("(%p, %p, %lx)\n", hWnd, pfnSubclass, uID); 1395 1396 /* Find the Subclass to remove */ 1397 stack = GetPropW (hWnd, COMCTL32_wSubclass); 1398 if (!stack) 1399 return FALSE; 1400 1401 proc = stack->SubclassProcs; 1402 while (proc) { 1403 if ((proc->id == uID) && 1404 (proc->subproc == pfnSubclass)) { 1405 1406 if (!prevproc) 1407 stack->SubclassProcs = proc->next; 1408 else 1409 prevproc->next = proc->next; 1410 1411 if (stack->stackpos == proc) 1412 stack->stackpos = stack->stackpos->next; 1413 1414 Free (proc); 1415 ret = TRUE; 1416 break; 1417 } 1418 prevproc = proc; 1419 proc = proc->next; 1420 } 1421 1422 if (!stack->SubclassProcs && !stack->running) { 1423 TRACE("Last Subclass removed, cleaning up\n"); 1424 /* clean up our heap and reset the original window procedure */ 1425 if (IsWindowUnicode (hWnd)) 1426 SetWindowLongPtrW (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc); 1427 else 1428 SetWindowLongPtrA (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc); 1429 Free (stack); 1430 RemovePropW( hWnd, COMCTL32_wSubclass ); 1431 } 1432 1433 return ret; 1434 } 1435 1436 /*********************************************************************** 1437 * COMCTL32_SubclassProc (internal) 1438 * 1439 * Window procedure for all subclassed windows. 1440 * Saves the current subclassing stack position to support nested messages 1441 */ 1442 static LRESULT WINAPI COMCTL32_SubclassProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 1443 { 1444 LPSUBCLASS_INFO stack; 1445 LPSUBCLASSPROCS proc; 1446 LRESULT ret; 1447 1448 TRACE ("(%p, 0x%08x, 0x%08lx, 0x%08lx)\n", hWnd, uMsg, wParam, lParam); 1449 1450 stack = GetPropW (hWnd, COMCTL32_wSubclass); 1451 if (!stack) { 1452 ERR ("Our sub classing stack got erased for %p!! Nothing we can do\n", hWnd); 1453 return 0; 1454 } 1455 1456 /* Save our old stackpos to properly handle nested messages */ 1457 proc = stack->stackpos; 1458 stack->stackpos = stack->SubclassProcs; 1459 stack->running++; 1460 ret = DefSubclassProc(hWnd, uMsg, wParam, lParam); 1461 stack->running--; 1462 stack->stackpos = proc; 1463 1464 if (!stack->SubclassProcs && !stack->running) { 1465 TRACE("Last Subclass removed, cleaning up\n"); 1466 /* clean up our heap and reset the original window procedure */ 1467 if (IsWindowUnicode (hWnd)) 1468 SetWindowLongPtrW (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc); 1469 else 1470 SetWindowLongPtrA (hWnd, GWLP_WNDPROC, (DWORD_PTR)stack->origproc); 1471 Free (stack); 1472 RemovePropW( hWnd, COMCTL32_wSubclass ); 1473 } 1474 return ret; 1475 } 1476 1477 /*********************************************************************** 1478 * DefSubclassProc [COMCTL32.413] 1479 * 1480 * Calls the next window procedure (i.e. the one before this subclass) 1481 * 1482 * PARAMS 1483 * hWnd [in] The window that we're subclassing 1484 * uMsg [in] Message 1485 * wParam [in] WPARAM 1486 * lParam [in] LPARAM 1487 * 1488 * RETURNS 1489 * Success: non-zero 1490 * Failure: zero 1491 */ 1492 1493 LRESULT WINAPI DefSubclassProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) 1494 { 1495 LPSUBCLASS_INFO stack; 1496 LRESULT ret; 1497 1498 TRACE ("(%p, 0x%08x, 0x%08lx, 0x%08lx)\n", hWnd, uMsg, wParam, lParam); 1499 1500 /* retrieve our little stack from the Properties */ 1501 stack = GetPropW (hWnd, COMCTL32_wSubclass); 1502 if (!stack) { 1503 ERR ("Our sub classing stack got erased for %p!! Nothing we can do\n", hWnd); 1504 return 0; 1505 } 1506 1507 /* If we are at the end of stack then we have to call the original 1508 * window procedure */ 1509 if (!stack->stackpos) { 1510 if (IsWindowUnicode (hWnd)) 1511 ret = CallWindowProcW (stack->origproc, hWnd, uMsg, wParam, lParam); 1512 else 1513 ret = CallWindowProcA (stack->origproc, hWnd, uMsg, wParam, lParam); 1514 } else { 1515 const SUBCLASSPROCS *proc = stack->stackpos; 1516 stack->stackpos = stack->stackpos->next; 1517 /* call the Subclass procedure from the stack */ 1518 ret = proc->subproc (hWnd, uMsg, wParam, lParam, 1519 proc->id, proc->ref); 1520 } 1521 1522 return ret; 1523 } 1524 1525 1526 /*********************************************************************** 1527 * COMCTL32_CreateToolTip [NOT AN API] 1528 * 1529 * Creates a tooltip for the control specified in hwnd and does all 1530 * necessary setup and notifications. 1531 * 1532 * PARAMS 1533 * hwndOwner [I] Handle to the window that will own the tool tip. 1534 * 1535 * RETURNS 1536 * Success: Handle of tool tip window. 1537 * Failure: NULL 1538 */ 1539 1540 HWND 1541 COMCTL32_CreateToolTip(HWND hwndOwner) 1542 { 1543 HWND hwndToolTip; 1544 1545 hwndToolTip = CreateWindowExW(0, TOOLTIPS_CLASSW, NULL, WS_POPUP, 1546 CW_USEDEFAULT, CW_USEDEFAULT, 1547 CW_USEDEFAULT, CW_USEDEFAULT, hwndOwner, 1548 0, 0, 0); 1549 1550 /* Send NM_TOOLTIPSCREATED notification */ 1551 if (hwndToolTip) 1552 { 1553 NMTOOLTIPSCREATED nmttc; 1554 /* true owner can be different if hwndOwner is a child window */ 1555 HWND hwndTrueOwner = GetWindow(hwndToolTip, GW_OWNER); 1556 nmttc.hdr.hwndFrom = hwndTrueOwner; 1557 nmttc.hdr.idFrom = GetWindowLongPtrW(hwndTrueOwner, GWLP_ID); 1558 nmttc.hdr.code = NM_TOOLTIPSCREATED; 1559 nmttc.hwndToolTips = hwndToolTip; 1560 1561 SendMessageW(GetParent(hwndTrueOwner), WM_NOTIFY, 1562 GetWindowLongPtrW(hwndTrueOwner, GWLP_ID), (LPARAM)&nmttc); 1563 } 1564 1565 return hwndToolTip; 1566 } 1567 1568 1569 /*********************************************************************** 1570 * COMCTL32_RefreshSysColors [NOT AN API] 1571 * 1572 * Invoked on any control recognizing a WM_SYSCOLORCHANGE message to 1573 * refresh the color values in the color structure 1574 * 1575 * PARAMS 1576 * none 1577 * 1578 * RETURNS 1579 * none 1580 */ 1581 1582 VOID 1583 COMCTL32_RefreshSysColors(void) 1584 { 1585 comctl32_color.clrBtnHighlight = GetSysColor (COLOR_BTNHIGHLIGHT); 1586 comctl32_color.clrBtnShadow = GetSysColor (COLOR_BTNSHADOW); 1587 comctl32_color.clrBtnText = GetSysColor (COLOR_BTNTEXT); 1588 comctl32_color.clrBtnFace = GetSysColor (COLOR_BTNFACE); 1589 comctl32_color.clrHighlight = GetSysColor (COLOR_HIGHLIGHT); 1590 comctl32_color.clrHighlightText = GetSysColor (COLOR_HIGHLIGHTTEXT); 1591 comctl32_color.clrHotTrackingColor = GetSysColor (COLOR_HOTLIGHT); 1592 comctl32_color.clr3dHilight = GetSysColor (COLOR_3DHILIGHT); 1593 comctl32_color.clr3dShadow = GetSysColor (COLOR_3DSHADOW); 1594 comctl32_color.clr3dDkShadow = GetSysColor (COLOR_3DDKSHADOW); 1595 comctl32_color.clr3dFace = GetSysColor (COLOR_3DFACE); 1596 comctl32_color.clrWindow = GetSysColor (COLOR_WINDOW); 1597 comctl32_color.clrWindowText = GetSysColor (COLOR_WINDOWTEXT); 1598 comctl32_color.clrGrayText = GetSysColor (COLOR_GRAYTEXT); 1599 comctl32_color.clrActiveCaption = GetSysColor (COLOR_ACTIVECAPTION); 1600 comctl32_color.clrInfoBk = GetSysColor (COLOR_INFOBK); 1601 comctl32_color.clrInfoText = GetSysColor (COLOR_INFOTEXT); 1602 } 1603 1604 /*********************************************************************** 1605 * COMCTL32_DrawInsertMark [NOT AN API] 1606 * 1607 * Draws an insertion mark (which looks similar to an 'I'). 1608 * 1609 * PARAMS 1610 * hDC [I] Device context to draw onto. 1611 * lpRect [I] Co-ordinates of insertion mark. 1612 * clrInsertMark [I] Colour of the insertion mark. 1613 * bHorizontal [I] True if insert mark should be drawn horizontally, 1614 * vertical otherwise. 1615 * 1616 * RETURNS 1617 * none 1618 * 1619 * NOTES 1620 * Draws up to but not including the bottom co-ordinate when drawing 1621 * vertically or the right co-ordinate when horizontal. 1622 */ 1623 void COMCTL32_DrawInsertMark(HDC hDC, const RECT *lpRect, COLORREF clrInsertMark, BOOL bHorizontal) 1624 { 1625 HPEN hPen = CreatePen(PS_SOLID, 1, clrInsertMark); 1626 HPEN hOldPen; 1627 static const DWORD adwPolyPoints[] = {4,4,4}; 1628 LONG lCentre = (bHorizontal ? 1629 lpRect->top + (lpRect->bottom - lpRect->top)/2 : 1630 lpRect->left + (lpRect->right - lpRect->left)/2); 1631 LONG l1 = (bHorizontal ? lpRect->left : lpRect->top); 1632 LONG l2 = (bHorizontal ? lpRect->right : lpRect->bottom); 1633 const POINT aptInsertMark[] = 1634 { 1635 /* top (V) or left (H) arrow */ 1636 {lCentre , l1 + 2}, 1637 {lCentre - 2, l1 }, 1638 {lCentre + 3, l1 }, 1639 {lCentre + 1, l1 + 2}, 1640 /* middle line */ 1641 {lCentre , l2 - 2}, 1642 {lCentre , l1 - 1}, 1643 {lCentre + 1, l1 - 1}, 1644 {lCentre + 1, l2 - 2}, 1645 /* bottom (V) or right (H) arrow */ 1646 {lCentre , l2 - 3}, 1647 {lCentre - 2, l2 - 1}, 1648 {lCentre + 3, l2 - 1}, 1649 {lCentre + 1, l2 - 3}, 1650 }; 1651 hOldPen = SelectObject(hDC, hPen); 1652 PolyPolyline(hDC, aptInsertMark, adwPolyPoints, ARRAY_SIZE(adwPolyPoints)); 1653 SelectObject(hDC, hOldPen); 1654 DeleteObject(hPen); 1655 } 1656 1657 /*********************************************************************** 1658 * COMCTL32_EnsureBitmapSize [internal] 1659 * 1660 * If needed, enlarge the bitmap so that the width is at least cxMinWidth and 1661 * the height is at least cyMinHeight. If the bitmap already has these 1662 * dimensions nothing changes. 1663 * 1664 * PARAMS 1665 * hBitmap [I/O] Bitmap to modify. The handle may change 1666 * cxMinWidth [I] If the width of the bitmap is smaller, then it will 1667 * be enlarged to this value 1668 * cyMinHeight [I] If the height of the bitmap is smaller, then it will 1669 * be enlarged to this value 1670 * cyBackground [I] The color with which the new area will be filled 1671 * 1672 * RETURNS 1673 * none 1674 */ 1675 void COMCTL32_EnsureBitmapSize(HBITMAP *pBitmap, int cxMinWidth, int cyMinHeight, COLORREF crBackground) 1676 { 1677 int cxNew, cyNew; 1678 BITMAP bmp; 1679 HBITMAP hNewBitmap; 1680 HBITMAP hNewDCBitmap, hOldDCBitmap; 1681 HBRUSH hNewDCBrush; 1682 HDC hdcNew, hdcOld; 1683 1684 if (!GetObjectW(*pBitmap, sizeof(BITMAP), &bmp)) 1685 return; 1686 cxNew = (cxMinWidth > bmp.bmWidth ? cxMinWidth : bmp.bmWidth); 1687 cyNew = (cyMinHeight > bmp.bmHeight ? cyMinHeight : bmp.bmHeight); 1688 if (cxNew == bmp.bmWidth && cyNew == bmp.bmHeight) 1689 return; 1690 1691 hdcNew = CreateCompatibleDC(NULL); 1692 hNewBitmap = CreateBitmap(cxNew, cyNew, bmp.bmPlanes, bmp.bmBitsPixel, NULL); 1693 hNewDCBitmap = SelectObject(hdcNew, hNewBitmap); 1694 hNewDCBrush = SelectObject(hdcNew, CreateSolidBrush(crBackground)); 1695 1696 hdcOld = CreateCompatibleDC(NULL); 1697 hOldDCBitmap = SelectObject(hdcOld, *pBitmap); 1698 1699 BitBlt(hdcNew, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcOld, 0, 0, SRCCOPY); 1700 if (bmp.bmWidth < cxMinWidth) 1701 PatBlt(hdcNew, bmp.bmWidth, 0, cxNew, bmp.bmHeight, PATCOPY); 1702 if (bmp.bmHeight < cyMinHeight) 1703 PatBlt(hdcNew, 0, bmp.bmHeight, bmp.bmWidth, cyNew, PATCOPY); 1704 if (bmp.bmWidth < cxMinWidth && bmp.bmHeight < cyMinHeight) 1705 PatBlt(hdcNew, bmp.bmWidth, bmp.bmHeight, cxNew, cyNew, PATCOPY); 1706 1707 SelectObject(hdcNew, hNewDCBitmap); 1708 DeleteObject(SelectObject(hdcNew, hNewDCBrush)); 1709 DeleteDC(hdcNew); 1710 SelectObject(hdcOld, hOldDCBitmap); 1711 DeleteDC(hdcOld); 1712 1713 DeleteObject(*pBitmap); 1714 *pBitmap = hNewBitmap; 1715 return; 1716 } 1717 1718 void COMCTL32_GetFontMetrics(HFONT hFont, TEXTMETRICW *ptm) 1719 { 1720 HDC hdc = GetDC(NULL); 1721 HFONT hOldFont; 1722 1723 hOldFont = SelectObject(hdc, hFont); 1724 GetTextMetricsW(hdc, ptm); 1725 SelectObject(hdc, hOldFont); 1726 ReleaseDC(NULL, hdc); 1727 } 1728 1729 #ifndef OCM__BASE /* avoid including olectl.h */ 1730 #define OCM__BASE (WM_USER+0x1c00) 1731 #endif 1732 1733 /*********************************************************************** 1734 * COMCTL32_IsReflectedMessage [internal] 1735 * 1736 * Some parents reflect notify messages - for some messages sent by the child, 1737 * they send it back with the message code increased by OCM__BASE (0x2000). 1738 * This allows better subclassing of controls. We don't need to handle such 1739 * messages but we don't want to print ERRs for them, so this helper function 1740 * identifies them. 1741 * 1742 * Some of the codes are in the CCM_FIRST..CCM_LAST range, but there is no 1743 * collision with defined CCM_ codes. 1744 */ 1745 BOOL COMCTL32_IsReflectedMessage(UINT uMsg) 1746 { 1747 switch (uMsg) 1748 { 1749 case OCM__BASE + WM_COMMAND: 1750 case OCM__BASE + WM_CTLCOLORBTN: 1751 case OCM__BASE + WM_CTLCOLOREDIT: 1752 case OCM__BASE + WM_CTLCOLORDLG: 1753 case OCM__BASE + WM_CTLCOLORLISTBOX: 1754 case OCM__BASE + WM_CTLCOLORMSGBOX: 1755 case OCM__BASE + WM_CTLCOLORSCROLLBAR: 1756 case OCM__BASE + WM_CTLCOLORSTATIC: 1757 case OCM__BASE + WM_DRAWITEM: 1758 case OCM__BASE + WM_MEASUREITEM: 1759 case OCM__BASE + WM_DELETEITEM: 1760 case OCM__BASE + WM_VKEYTOITEM: 1761 case OCM__BASE + WM_CHARTOITEM: 1762 case OCM__BASE + WM_COMPAREITEM: 1763 case OCM__BASE + WM_HSCROLL: 1764 case OCM__BASE + WM_VSCROLL: 1765 case OCM__BASE + WM_PARENTNOTIFY: 1766 case OCM__BASE + WM_NOTIFY: 1767 return TRUE; 1768 default: 1769 return FALSE; 1770 } 1771 } 1772 1773 /*********************************************************************** 1774 * MirrorIcon [COMCTL32.414] 1775 * 1776 * Mirrors an icon so that it will appear correctly on a mirrored DC. 1777 * 1778 * PARAMS 1779 * phicon1 [I/O] Icon. 1780 * phicon2 [I/O] Icon. 1781 * 1782 * RETURNS 1783 * Success: TRUE. 1784 * Failure: FALSE. 1785 */ 1786 BOOL WINAPI MirrorIcon(HICON *phicon1, HICON *phicon2) 1787 { 1788 FIXME("(%p, %p): stub\n", phicon1, phicon2); 1789 return FALSE; 1790 } 1791 1792 static inline BOOL IsDelimiter(WCHAR c) 1793 { 1794 switch(c) 1795 { 1796 case '/': 1797 case '\\': 1798 case '.': 1799 case ' ': 1800 return TRUE; 1801 } 1802 return FALSE; 1803 } 1804 1805 static int CALLBACK PathWordBreakProc(LPCWSTR lpch, int ichCurrent, int cch, int code) 1806 { 1807 if (code == WB_ISDELIMITER) 1808 return IsDelimiter(lpch[ichCurrent]); 1809 else 1810 { 1811 int dir = (code == WB_LEFT) ? -1 : 1; 1812 for(; 0 <= ichCurrent && ichCurrent < cch; ichCurrent += dir) 1813 if (IsDelimiter(lpch[ichCurrent])) return ichCurrent; 1814 } 1815 return ichCurrent; 1816 } 1817 1818 /*********************************************************************** 1819 * SetPathWordBreakProc [COMCTL32.384] 1820 * 1821 * Sets the word break procedure for an edit control to one that understands 1822 * paths so that the user can jump over directories. 1823 * 1824 * PARAMS 1825 * hwnd [I] Handle to edit control. 1826 * bSet [I] If this is TRUE then the word break proc is set, otherwise it is removed. 1827 * 1828 * RETURNS 1829 * Result from EM_SETWORDBREAKPROC message. 1830 */ 1831 LRESULT WINAPI SetPathWordBreakProc(HWND hwnd, BOOL bSet) 1832 { 1833 return SendMessageW(hwnd, EM_SETWORDBREAKPROC, 0, 1834 (LPARAM)(bSet ? PathWordBreakProc : NULL)); 1835 } 1836 1837 /*********************************************************************** 1838 * DrawShadowText [COMCTL32.@] 1839 * 1840 * Draw text with shadow. 1841 */ 1842 int WINAPI DrawShadowText(HDC hdc, LPCWSTR pszText, UINT cch, RECT *prc, DWORD dwFlags, 1843 COLORREF crText, COLORREF crShadow, int ixOffset, int iyOffset) 1844 { 1845 COLORREF crOldText; 1846 RECT rcText; 1847 INT iRet, x, y, x2, y2; 1848 BYTE *pBits; 1849 HBITMAP hbm, hbmOld; 1850 BITMAPINFO bi; 1851 HDC hdcMem; 1852 HFONT hOldFont; 1853 BLENDFUNCTION bf; 1854 1855 /* Create 32 bit DIB section for the shadow */ 1856 ZeroMemory(&bi, sizeof(bi)); 1857 bi.bmiHeader.biSize = sizeof(bi.bmiHeader); 1858 bi.bmiHeader.biWidth = prc->right - prc->left + 4; 1859 bi.bmiHeader.biHeight = prc->bottom - prc->top + 5; // bottom-up DIB 1860 bi.bmiHeader.biPlanes = 1; 1861 bi.bmiHeader.biBitCount = 32; 1862 bi.bmiHeader.biCompression = BI_RGB; 1863 hbm = CreateDIBSection(hdc, &bi, DIB_RGB_COLORS, (PVOID*)&pBits, NULL, 0); 1864 if(!hbm) 1865 { 1866 ERR("CreateDIBSection failed\n"); 1867 return 0; 1868 } 1869 1870 /* Create memory device context for new DIB section and select it */ 1871 hdcMem = CreateCompatibleDC(hdc); 1872 if(!hdcMem) 1873 { 1874 ERR("CreateCompatibleDC failed\n"); 1875 DeleteObject(hbm); 1876 return 0; 1877 } 1878 1879 hbmOld = (HBITMAP)SelectObject(hdcMem, hbm); 1880 1881 /* Draw text on our helper bitmap */ 1882 hOldFont = (HFONT)SelectObject(hdcMem, GetCurrentObject(hdc, OBJ_FONT)); 1883 SetTextColor(hdcMem, RGB(16, 16, 16)); 1884 SetBkColor(hdcMem, RGB(0, 0, 0)); 1885 SetBkMode(hdcMem, TRANSPARENT); 1886 SetRect(&rcText, 0, 0, prc->right - prc->left, prc->bottom - prc->top); 1887 DrawTextW(hdcMem, pszText, cch, &rcText, dwFlags); 1888 SelectObject(hdcMem, hOldFont); 1889 1890 /* Flush GDI so data pointed by pBits is valid */ 1891 GdiFlush(); 1892 1893 /* Set alpha of pixels (forget about colors for now. They will be changed in next loop). 1894 We copy text image 4*5 times and each time alpha is added */ 1895 for (x = 0; x < bi.bmiHeader.biWidth; ++x) 1896 for (y = 0; y < bi.bmiHeader.biHeight; ++y) 1897 { 1898 BYTE *pDest = &pBits[(y * bi.bmiHeader.biWidth + x) * 4]; 1899 UINT Alpha = 0; 1900 1901 for (x2 = x - 4 + 1; x2 <= x; ++x2) 1902 for (y2 = y; y2 < y + 5; ++y2) 1903 { 1904 if (x2 >= 0 && x2 < bi.bmiHeader.biWidth && y2 >= 0 && y2 < bi.bmiHeader.biHeight) 1905 { 1906 BYTE *pSrc = &pBits[(y2 * bi.bmiHeader.biWidth + x2) * 4]; 1907 Alpha += pSrc[0]; 1908 } 1909 } 1910 1911 if (Alpha > 255) 1912 Alpha = 255; 1913 pDest[3] = Alpha; 1914 } 1915 1916 /* Now set the color of each pixel to shadow color * alpha (see GdiAlphaBlend) */ 1917 for (x = 0; x < bi.bmiHeader.biWidth; ++x) 1918 for (y = 0; y < bi.bmiHeader.biHeight; ++y) 1919 { 1920 BYTE *pDest = &pBits[(y * bi.bmiHeader.biWidth + x) * 4]; 1921 pDest[0] = GetBValue(crShadow) * pDest[3] / 255; 1922 pDest[1] = GetGValue(crShadow) * pDest[3] / 255; 1923 pDest[2] = GetRValue(crShadow) * pDest[3] / 255; 1924 } 1925 1926 /* Fix ixOffset of the shadow (tested on Win) */ 1927 ixOffset -= 3; 1928 iyOffset -= 3; 1929 1930 /* Alpha blend helper image to destination DC */ 1931 bf.BlendOp = AC_SRC_OVER; 1932 bf.BlendFlags = 0; 1933 bf.SourceConstantAlpha = 255; 1934 bf.AlphaFormat = AC_SRC_ALPHA; 1935 GdiAlphaBlend(hdc, prc->left + ixOffset, prc->top + iyOffset, bi.bmiHeader.biWidth, bi.bmiHeader.biHeight, hdcMem, 0, 0, bi.bmiHeader.biWidth, bi.bmiHeader.biHeight, bf); 1936 1937 /* Delete the helper bitmap */ 1938 SelectObject(hdcMem, hbmOld); 1939 DeleteObject(hbm); 1940 DeleteDC(hdcMem); 1941 1942 /* Finally draw the text over shadow */ 1943 crOldText = SetTextColor(hdc, crText); 1944 SetBkMode(hdc, TRANSPARENT); 1945 iRet = DrawTextW(hdc, pszText, cch, prc, dwFlags); 1946 SetTextColor(hdc, crOldText); 1947 1948 return iRet; 1949 } 1950 1951 /*********************************************************************** 1952 * LoadIconWithScaleDown [COMCTL32.@] 1953 */ 1954 HRESULT WINAPI LoadIconWithScaleDown(HINSTANCE hinst, const WCHAR *name, int cx, int cy, HICON *icon) 1955 { 1956 TRACE("(%p, %s, %d, %d, %p)\n", hinst, debugstr_w(name), cx, cy, icon); 1957 1958 *icon = NULL; 1959 1960 if (!name) 1961 return E_INVALIDARG; 1962 1963 *icon = LoadImageW(hinst, name, IMAGE_ICON, cx, cy, 1964 (hinst || IS_INTRESOURCE(name)) ? 0 : LR_LOADFROMFILE); 1965 if (!*icon) 1966 return HRESULT_FROM_WIN32(GetLastError()); 1967 1968 return S_OK; 1969 } 1970 1971 /*********************************************************************** 1972 * LoadIconMetric [COMCTL32.@] 1973 */ 1974 HRESULT WINAPI LoadIconMetric(HINSTANCE hinst, const WCHAR *name, int size, HICON *icon) 1975 { 1976 int cx, cy; 1977 1978 TRACE("(%p, %s, %d, %p)\n", hinst, debugstr_w(name), size, icon); 1979 1980 if (size == LIM_SMALL) 1981 { 1982 cx = GetSystemMetrics(SM_CXSMICON); 1983 cy = GetSystemMetrics(SM_CYSMICON); 1984 } 1985 else if (size == LIM_LARGE) 1986 { 1987 cx = GetSystemMetrics(SM_CXICON); 1988 cy = GetSystemMetrics(SM_CYICON); 1989 } 1990 else 1991 { 1992 *icon = NULL; 1993 return E_INVALIDARG; 1994 } 1995 1996 return LoadIconWithScaleDown(hinst, name, cx, cy, icon); 1997 } 1998