1 /* 2 * PROJECT: ReactOS Win32k subsystem 3 * LICENSE: See COPYING in the top level directory 4 * PURPOSE: Miscellaneous User functions 5 * COPYRIGHT: 2008-2020 James Tabor <james.tabor@reactos.org> 6 */ 7 8 #include <win32k.h> 9 #include <windowsx.h> 10 11 DBG_DEFAULT_CHANNEL(UserDefwnd); 12 13 INT WINAPI DrawTextExWorker( HDC hdc, LPWSTR str, INT i_count, 14 LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp ); 15 16 INT WINAPI DrawTextW( HDC hdc, LPCWSTR str, INT count, LPRECT rect, UINT flags ) 17 { 18 DRAWTEXTPARAMS dtp; 19 20 memset (&dtp, 0, sizeof(dtp)); 21 dtp.cbSize = sizeof(dtp); 22 if (flags & DT_TABSTOP) 23 { 24 dtp.iTabLength = (flags >> 8) & 0xff; 25 flags &= 0xffff00ff; 26 } 27 return DrawTextExWorker(hdc, (LPWSTR)str, count, rect, flags, &dtp); 28 } 29 30 31 HBRUSH FASTCALL 32 DefWndControlColor(HDC hDC, UINT ctlType) 33 { 34 if (ctlType == CTLCOLOR_SCROLLBAR) 35 { 36 HBRUSH hb = IntGetSysColorBrush(COLOR_SCROLLBAR); 37 COLORREF bk = IntGetSysColor(COLOR_3DHILIGHT); 38 IntGdiSetTextColor(hDC, IntGetSysColor(COLOR_3DFACE)); 39 IntGdiSetBkColor(hDC, bk); 40 41 /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT 42 * we better use 0x55aa bitmap brush to make scrollbar's background 43 * look different from the window background. 44 */ 45 if ( bk == IntGetSysColor(COLOR_WINDOW)) 46 return gpsi->hbrGray; 47 48 NtGdiUnrealizeObject( hb ); 49 return hb; 50 } 51 52 IntGdiSetTextColor(hDC, IntGetSysColor(COLOR_WINDOWTEXT)); 53 54 if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX)) 55 { 56 IntGdiSetBkColor(hDC, IntGetSysColor(COLOR_WINDOW)); 57 } 58 else 59 { 60 IntGdiSetBkColor(hDC, IntGetSysColor(COLOR_3DFACE)); 61 return IntGetSysColorBrush(COLOR_3DFACE); 62 } 63 64 return IntGetSysColorBrush(COLOR_WINDOW); 65 } 66 67 LRESULT FASTCALL 68 DefWndHandleWindowPosChanging(PWND pWnd, WINDOWPOS* Pos) 69 { 70 POINT maxTrack, minTrack; 71 LONG style = pWnd->style; 72 73 if (Pos->flags & SWP_NOSIZE) return 0; 74 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0)) 75 { 76 co_WinPosGetMinMaxInfo(pWnd, NULL, NULL, &minTrack, &maxTrack); 77 Pos->cx = min(Pos->cx, maxTrack.x); 78 Pos->cy = min(Pos->cy, maxTrack.y); 79 if (!(style & WS_MINIMIZE)) 80 { 81 if (Pos->cx < minTrack.x) Pos->cx = minTrack.x; 82 if (Pos->cy < minTrack.y) Pos->cy = minTrack.y; 83 } 84 } 85 else 86 { 87 Pos->cx = max(Pos->cx, 0); 88 Pos->cy = max(Pos->cy, 0); 89 } 90 return 0; 91 } 92 93 /* Win: xxxHandleWindowPosChanged */ 94 LRESULT FASTCALL 95 DefWndHandleWindowPosChanged(PWND pWnd, WINDOWPOS* Pos) 96 { 97 RECT Rect; 98 LONG style = pWnd->style; 99 100 IntGetClientRect(pWnd, &Rect); 101 IntMapWindowPoints(pWnd, (style & WS_CHILD ? IntGetParent(pWnd) : NULL), (LPPOINT) &Rect, 2); 102 103 if (!(Pos->flags & SWP_NOCLIENTMOVE)) 104 { 105 co_IntSendMessage(UserHMGetHandle(pWnd), WM_MOVE, 0, MAKELONG(Rect.left, Rect.top)); 106 } 107 108 if (!(Pos->flags & SWP_NOCLIENTSIZE) || (Pos->flags & SWP_STATECHANGED)) 109 { 110 if (style & WS_MINIMIZE) co_IntSendMessage(UserHMGetHandle(pWnd), WM_SIZE, SIZE_MINIMIZED, 0 ); 111 else 112 { 113 WPARAM wp = (style & WS_MAXIMIZE) ? SIZE_MAXIMIZED : SIZE_RESTORED; 114 co_IntSendMessage(UserHMGetHandle(pWnd), WM_SIZE, wp, MAKELONG(Rect.right - Rect.left, Rect.bottom - Rect.top)); 115 } 116 } 117 return 0; 118 } 119 120 // 121 // Handle a WM_SYSCOMMAND message. Called from DefWindowProc(). 122 // 123 // Win: xxxSysCommand 124 LRESULT FASTCALL 125 DefWndHandleSysCommand(PWND pWnd, WPARAM wParam, LPARAM lParam) 126 { 127 LRESULT lResult = 0; 128 BOOL Hook = FALSE; 129 130 if (ISITHOOKED(WH_CBT) || (pWnd->head.rpdesk->pDeskInfo->fsHooks & HOOKID_TO_FLAG(WH_CBT))) 131 { 132 Hook = TRUE; 133 lResult = co_HOOK_CallHooks(WH_CBT, HCBT_SYSCOMMAND, wParam, lParam); 134 135 if (lResult) return lResult; 136 } 137 138 switch (wParam & 0xfff0) 139 { 140 case SC_MOVE: 141 case SC_SIZE: 142 DefWndDoSizeMove(pWnd, wParam); 143 break; 144 145 case SC_MINIMIZE: 146 if (UserHMGetHandle(pWnd) == UserGetActiveWindow()) 147 IntShowOwnedPopups(pWnd,FALSE); // This is done in ShowWindow! Need to retest! 148 co_WinPosShowWindow( pWnd, SW_MINIMIZE ); 149 break; 150 151 case SC_MAXIMIZE: 152 if (((pWnd->style & WS_MINIMIZE) != 0) && UserHMGetHandle(pWnd) == UserGetActiveWindow()) 153 IntShowOwnedPopups(pWnd,TRUE); 154 co_WinPosShowWindow( pWnd, SW_MAXIMIZE ); 155 break; 156 157 case SC_RESTORE: 158 if (((pWnd->style & WS_MINIMIZE) != 0) && UserHMGetHandle(pWnd) == UserGetActiveWindow()) 159 IntShowOwnedPopups(pWnd,TRUE); 160 co_WinPosShowWindow( pWnd, SW_RESTORE ); 161 break; 162 163 case SC_CLOSE: 164 return co_IntSendMessage(UserHMGetHandle(pWnd), WM_CLOSE, 0, 0); 165 166 case SC_SCREENSAVE: 167 ERR("Screensaver Called!\n"); 168 UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_START_SCREENSAVE, 0); // always lParam 0 == not Secure 169 break; 170 171 case SC_HOTKEY: 172 { 173 USER_REFERENCE_ENTRY Ref; 174 175 pWnd = ValidateHwndNoErr((HWND)lParam); 176 if (pWnd) 177 { 178 if (pWnd->spwndLastActive) 179 { 180 pWnd = pWnd->spwndLastActive; 181 } 182 UserRefObjectCo(pWnd, &Ref); 183 co_IntSetForegroundWindow(pWnd); 184 UserDerefObjectCo(pWnd); 185 if (pWnd->style & WS_MINIMIZE) 186 { 187 UserPostMessage(UserHMGetHandle(pWnd), WM_SYSCOMMAND, SC_RESTORE, 0); 188 } 189 } 190 } 191 break; 192 193 // case SC_DEFAULT: 194 case SC_MOUSEMENU: 195 { 196 POINT Pt; 197 Pt.x = (short)LOWORD(lParam); 198 Pt.y = (short)HIWORD(lParam); 199 MENU_TrackMouseMenuBar(pWnd, wParam & 0x000f, Pt); 200 } 201 break; 202 203 case SC_KEYMENU: 204 MENU_TrackKbdMenuBar(pWnd, wParam, (WCHAR)lParam); 205 break; 206 207 default: 208 // We do not support anything else here so we should return normal even when sending a hook. 209 return 0; 210 } 211 212 return(Hook ? 1 : 0); // Don't call us again from user space. 213 } 214 215 PWND FASTCALL 216 co_IntFindChildWindowToOwner(PWND Root, PWND Owner) 217 { 218 PWND Ret; 219 PWND Child, OwnerWnd; 220 221 for(Child = Root->spwndChild; Child; Child = Child->spwndNext) 222 { 223 OwnerWnd = Child->spwndOwner; 224 if(!OwnerWnd) 225 continue; 226 227 if (!(Child->style & WS_POPUP) || 228 !(Child->style & WS_VISIBLE) || 229 /* Fixes CMD pop up properties window from having foreground. */ 230 Owner->head.pti->MessageQueue != Child->head.pti->MessageQueue) 231 continue; 232 233 if(OwnerWnd == Owner) 234 { 235 Ret = Child; 236 return Ret; 237 } 238 } 239 return NULL; 240 } 241 242 LRESULT 243 DefWndHandleSetCursor(PWND pWnd, WPARAM wParam, LPARAM lParam) 244 { 245 PWND pwndPopUP = NULL; 246 WORD Msg = HIWORD(lParam); 247 248 /* Not for child windows. */ 249 if (UserHMGetHandle(pWnd) != (HWND)wParam) 250 { 251 return FALSE; 252 } 253 254 switch((short)LOWORD(lParam)) 255 { 256 case HTERROR: 257 { 258 //// This is the real fix for CORE-6129! This was a "Code hole". 259 USER_REFERENCE_ENTRY Ref; 260 261 if (Msg == WM_LBUTTONDOWN) 262 { 263 // Find a pop up window to bring active. 264 pwndPopUP = co_IntFindChildWindowToOwner(UserGetDesktopWindow(), pWnd); 265 if (pwndPopUP) 266 { 267 // Not a child pop up from desktop. 268 if ( pwndPopUP != UserGetDesktopWindow()->spwndChild ) 269 { 270 // Get original active window. 271 PWND pwndOrigActive = gpqForeground->spwndActive; 272 273 co_WinPosSetWindowPos(pWnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); 274 275 UserRefObjectCo(pwndPopUP, &Ref); 276 //UserSetActiveWindow(pwndPopUP); 277 co_IntSetForegroundWindow(pwndPopUP); // HACK 278 UserDerefObjectCo(pwndPopUP); 279 280 // If the change was made, break out. 281 if (pwndOrigActive != gpqForeground->spwndActive) 282 break; 283 } 284 } 285 } 286 //// 287 if (Msg == WM_LBUTTONDOWN || Msg == WM_MBUTTONDOWN || 288 Msg == WM_RBUTTONDOWN || Msg == WM_XBUTTONDOWN) 289 { 290 if (pwndPopUP) 291 { 292 FLASHWINFO fwi = 293 {sizeof(FLASHWINFO), 294 UserHMGetHandle(pwndPopUP), 295 FLASHW_ALL, 296 gspv.dwForegroundFlashCount, 297 (gpsi->dtCaretBlink >> 3)}; 298 299 // Now shake that window! 300 IntFlashWindowEx(pwndPopUP, &fwi); 301 } 302 UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, 0); 303 } 304 break; 305 } 306 307 case HTCLIENT: 308 { 309 if (pWnd->pcls->spcur) 310 { 311 IntSystemSetCursor(pWnd->pcls->spcur); 312 } 313 return FALSE; 314 } 315 316 case HTLEFT: 317 case HTRIGHT: 318 { 319 if (pWnd->style & WS_MAXIMIZE) 320 { 321 break; 322 } 323 IntSystemSetCursor(SYSTEMCUR(SIZEWE)); 324 return TRUE; 325 } 326 327 case HTTOP: 328 case HTBOTTOM: 329 { 330 if (pWnd->style & WS_MAXIMIZE) 331 { 332 break; 333 } 334 IntSystemSetCursor(SYSTEMCUR(SIZENS)); 335 return TRUE; 336 } 337 338 case HTTOPLEFT: 339 case HTBOTTOMRIGHT: 340 { 341 if (pWnd->style & WS_MAXIMIZE) 342 { 343 break; 344 } 345 IntSystemSetCursor(SYSTEMCUR(SIZENWSE)); 346 return TRUE; 347 } 348 349 case HTBOTTOMLEFT: 350 case HTTOPRIGHT: 351 { 352 if (pWnd->style & WS_MAXIMIZE) 353 { 354 break; 355 } 356 IntSystemSetCursor(SYSTEMCUR(SIZENESW)); 357 return TRUE; 358 } 359 } 360 IntSystemSetCursor(SYSTEMCUR(ARROW)); 361 return FALSE; 362 } 363 364 /* Win: xxxDWPPrint */ 365 VOID FASTCALL DefWndPrint( PWND pwnd, HDC hdc, ULONG uFlags) 366 { 367 /* 368 * Visibility flag. 369 */ 370 if ( (uFlags & PRF_CHECKVISIBLE) && 371 !IntIsWindowVisible(pwnd) ) 372 return; 373 374 /* 375 * Unimplemented flags. 376 */ 377 if ( (uFlags & PRF_CHILDREN) || 378 (uFlags & PRF_OWNED) || 379 (uFlags & PRF_NONCLIENT) ) 380 { 381 FIXME("WM_PRINT message with unsupported flags\n"); 382 } 383 384 /* 385 * Background 386 */ 387 if ( uFlags & PRF_ERASEBKGND) 388 co_IntSendMessage(UserHMGetHandle(pwnd), WM_ERASEBKGND, (WPARAM)hdc, 0); 389 390 /* 391 * Client area 392 */ 393 if ( uFlags & PRF_CLIENT) 394 co_IntSendMessage(UserHMGetHandle(pwnd), WM_PRINTCLIENT, (WPARAM)hdc, uFlags); 395 } 396 397 BOOL 398 UserPaintCaption(PWND pWnd, INT Flags) 399 { 400 BOOL Ret = FALSE; 401 402 if ( (pWnd->style & WS_VISIBLE) && ((pWnd->style & WS_CAPTION) == WS_CAPTION) ) 403 { 404 if (pWnd->state & WNDS_HASCAPTION && pWnd->head.pti->MessageQueue == gpqForeground) 405 Flags |= DC_ACTIVE; 406 /* 407 * When themes are not enabled we can go on and paint the non client area. 408 * However if we do that with themes enabled we will draw a classic frame. 409 * This is solved by sending a themes specific message to notify the themes 410 * engine that the caption needs to be redrawn. 411 */ 412 if (gpsi->dwSRVIFlags & SRVINFO_APIHOOK) 413 { 414 /* 415 * This will cause uxtheme to either paint the themed caption or call 416 * RealUserDrawCaption in order to draw the classic caption when themes 417 * are disabled but the themes service is enabled. 418 */ 419 TRACE("UDCB Flags %08x\n", Flags); 420 co_IntSendMessage(UserHMGetHandle(pWnd), WM_NCUAHDRAWCAPTION, Flags, 0); 421 } 422 else 423 { 424 HDC hDC = UserGetDCEx(pWnd, NULL, DCX_WINDOW|DCX_USESTYLE); 425 UserDrawCaptionBar(pWnd, hDC, Flags | DC_FRAME); // DCFRAME added as fix for CORE-10855. 426 UserReleaseDC(pWnd, hDC, FALSE); 427 } 428 Ret = TRUE; 429 } 430 // Support window tray 431 return Ret; 432 } 433 434 // WM_SETICON 435 /* Win: xxxDWP_SetIcon */ 436 LRESULT FASTCALL 437 DefWndSetIcon(PWND pWnd, WPARAM wParam, LPARAM lParam) 438 { 439 HICON hIcon, hIconSmall, hIconOld; 440 441 if ( wParam > ICON_SMALL2 ) 442 { 443 EngSetLastError(ERROR_INVALID_PARAMETER); 444 return 0; 445 } 446 hIconSmall = UserGetProp(pWnd, gpsi->atomIconSmProp, TRUE); 447 hIcon = UserGetProp(pWnd, gpsi->atomIconProp, TRUE); 448 449 hIconOld = wParam == ICON_BIG ? hIcon : hIconSmall; 450 451 switch(wParam) 452 { 453 case ICON_BIG: 454 hIcon = (HICON)lParam; 455 break; 456 case ICON_SMALL: 457 hIconSmall = (HICON)lParam; 458 break; 459 case ICON_SMALL2: 460 ERR("FIXME: Set ICON_SMALL2 support!\n"); 461 default: 462 break; 463 } 464 465 UserSetProp(pWnd, gpsi->atomIconProp, hIcon, TRUE); 466 UserSetProp(pWnd, gpsi->atomIconSmProp, hIconSmall, TRUE); 467 468 if ((pWnd->style & WS_CAPTION ) == WS_CAPTION) 469 UserPaintCaption(pWnd, DC_ICON); 470 471 return (LRESULT)hIconOld; 472 } 473 474 /* Win: DWP_GetIcon */ 475 LRESULT FASTCALL 476 DefWndGetIcon(PWND pWnd, WPARAM wParam, LPARAM lParam) 477 { 478 HICON hIconRet; 479 if ( wParam > ICON_SMALL2 ) 480 { 481 EngSetLastError(ERROR_INVALID_PARAMETER); 482 return 0; 483 } 484 switch(wParam) 485 { 486 case ICON_BIG: 487 hIconRet = UserGetProp(pWnd, gpsi->atomIconProp, TRUE); 488 break; 489 case ICON_SMALL: 490 case ICON_SMALL2: 491 hIconRet = UserGetProp(pWnd, gpsi->atomIconSmProp, TRUE); 492 break; 493 DEFAULT_UNREACHABLE; 494 } 495 return (LRESULT)hIconRet; 496 } 497 498 VOID FASTCALL 499 DefWndScreenshot(PWND pWnd) 500 { 501 RECT rect; 502 HDC hdc; 503 INT w; 504 INT h; 505 HBITMAP hbitmap; 506 HDC hdc2; 507 SETCLIPBDATA scd = {FALSE, FALSE}; 508 509 UserOpenClipboard(UserHMGetHandle(pWnd)); 510 UserEmptyClipboard(); 511 512 hdc = UserGetWindowDC(pWnd); 513 IntGetWindowRect(pWnd, &rect); 514 w = rect.right - rect.left; 515 h = rect.bottom - rect.top; 516 517 hbitmap = NtGdiCreateCompatibleBitmap(hdc, w, h); 518 hdc2 = NtGdiCreateCompatibleDC(hdc); 519 NtGdiSelectBitmap(hdc2, hbitmap); 520 521 NtGdiBitBlt(hdc2, 0, 0, w, h, hdc, 0, 0, SRCCOPY, 0, 0); 522 523 UserSetClipboardData(CF_BITMAP, hbitmap, &scd); 524 525 UserReleaseDC(pWnd, hdc, FALSE); 526 UserReleaseDC(pWnd, hdc2, FALSE); 527 528 UserCloseClipboard(); 529 } 530 531 /* 532 Win32k counterpart of User DefWindowProc 533 */ 534 LRESULT FASTCALL 535 IntDefWindowProc( 536 PWND Wnd, 537 UINT Msg, 538 WPARAM wParam, 539 LPARAM lParam, 540 BOOL Ansi) 541 { 542 PTHREADINFO pti = PsGetCurrentThreadWin32Thread(); 543 LRESULT lResult = 0; 544 USER_REFERENCE_ENTRY Ref; 545 546 if (Msg > WM_USER) return 0; 547 548 switch (Msg) 549 { 550 case WM_DEVICECHANGE: 551 return TRUE; 552 553 case WM_GETTEXTLENGTH: 554 { 555 PWSTR buf; 556 ULONG len; 557 558 if (Wnd != NULL && Wnd->strName.Length != 0) 559 { 560 buf = Wnd->strName.Buffer; 561 if (buf != NULL && 562 NT_SUCCESS(RtlUnicodeToMultiByteSize(&len, 563 buf, 564 Wnd->strName.Length))) 565 { 566 lResult = (LRESULT) (Wnd->strName.Length / sizeof(WCHAR)); 567 } 568 } 569 570 break; 571 } 572 573 case WM_GETTEXT: // FIXME: Handle Ansi 574 { 575 PWSTR buf = NULL; 576 PWSTR outbuf = (PWSTR)lParam; 577 578 if (Wnd != NULL && wParam != 0) 579 { 580 if (Wnd->strName.Buffer != NULL) 581 buf = Wnd->strName.Buffer; 582 else 583 outbuf[0] = L'\0'; 584 585 if (buf != NULL) 586 { 587 if (Wnd->strName.Length != 0) 588 { 589 lResult = min(Wnd->strName.Length / sizeof(WCHAR), wParam - 1); 590 RtlCopyMemory(outbuf, 591 buf, 592 lResult * sizeof(WCHAR)); 593 outbuf[lResult] = L'\0'; 594 } 595 else 596 outbuf[0] = L'\0'; 597 } 598 } 599 break; 600 } 601 602 case WM_SETTEXT: // FIXME: Handle Ansi 603 { 604 DefSetText(Wnd, (PCWSTR)lParam); 605 606 if ((Wnd->style & WS_CAPTION) == WS_CAPTION) 607 UserPaintCaption(Wnd, DC_TEXT); 608 IntNotifyWinEvent(EVENT_OBJECT_NAMECHANGE, Wnd, OBJID_WINDOW, CHILDID_SELF, 0); 609 lResult = 1; 610 break; 611 } 612 613 case WM_SYSCOMMAND: 614 { 615 TRACE("hwnd %p WM_SYSCOMMAND %lx %lx\n", UserHMGetHandle(Wnd), wParam, lParam ); 616 lResult = DefWndHandleSysCommand(Wnd, wParam, lParam); 617 break; 618 } 619 620 case WM_SHOWWINDOW: 621 { 622 if ((Wnd->style & WS_VISIBLE) && wParam) break; 623 if (!(Wnd->style & WS_VISIBLE) && !wParam) break; 624 if (!Wnd->spwndOwner) break; 625 if (LOWORD(lParam)) 626 { 627 co_WinPosShowWindow(Wnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE); 628 } 629 break; 630 } 631 632 case WM_CLIENTSHUTDOWN: 633 return IntClientShutdown(Wnd, wParam, lParam); 634 635 case WM_APPCOMMAND: 636 if ( (Wnd->style & (WS_POPUP|WS_CHILD)) != WS_CHILD && 637 Wnd != co_GetDesktopWindow(Wnd) ) 638 { 639 if (!co_HOOK_CallHooks(WH_SHELL, HSHELL_APPCOMMAND, wParam, lParam)) 640 co_IntShellHookNotify(HSHELL_APPCOMMAND, wParam, lParam); 641 break; 642 } 643 UserRefObjectCo(Wnd->spwndParent, &Ref); 644 lResult = co_IntSendMessage(UserHMGetHandle(Wnd->spwndParent), WM_APPCOMMAND, wParam, lParam); 645 UserDerefObjectCo(Wnd->spwndParent); 646 break; 647 648 case WM_KEYF1: 649 { 650 HELPINFO hi; 651 HMENU hMenu = UlongToHandle(Wnd->IDMenu); 652 PWND pwndActive = MENU_IsMenuActive(); 653 hi.cbSize = sizeof(HELPINFO); 654 hi.MousePos = gpsi->ptCursor; 655 hi.iContextType = HELPINFO_MENUITEM; 656 hi.hItemHandle = pwndActive ? UserHMGetHandle(pwndActive) : UserHMGetHandle(Wnd); 657 hi.iCtrlId = (Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD ? IntMenuItemFromPoint(Wnd, hMenu, hi.MousePos) : 0; 658 hi.dwContextId = IntGetWindowContextHelpId(Wnd); 659 660 co_IntSendMessage( UserHMGetHandle(Wnd), WM_HELP, 0, (LPARAM)&hi ); 661 break; 662 } 663 664 case WM_SETICON: 665 { 666 return DefWndSetIcon(Wnd, wParam, lParam); 667 } 668 669 case WM_GETICON: 670 { 671 return DefWndGetIcon(Wnd, wParam, lParam); 672 } 673 674 case WM_HELP: 675 { 676 PWND Parent = IntGetParent(Wnd); 677 co_IntSendMessage(UserHMGetHandle(Parent), Msg, wParam, lParam); 678 break; 679 } 680 681 case WM_LBUTTONDOWN: 682 case WM_RBUTTONDOWN: 683 case WM_MBUTTONDOWN: 684 pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK); 685 break; 686 687 case WM_NCLBUTTONDOWN: 688 return NC_HandleNCLButtonDown(Wnd, wParam, lParam); 689 690 case WM_NCRBUTTONDOWN: 691 return NC_HandleNCRButtonDown(Wnd, wParam, lParam); 692 693 case WM_LBUTTONDBLCLK: 694 return NC_HandleNCLButtonDblClk(Wnd, HTCLIENT, lParam); 695 696 case WM_NCLBUTTONDBLCLK: 697 return NC_HandleNCLButtonDblClk(Wnd, wParam, lParam); 698 699 case WM_RBUTTONUP: 700 { 701 POINT Pt; 702 703 Pt.x = GET_X_LPARAM(lParam); 704 Pt.y = GET_Y_LPARAM(lParam); 705 IntClientToScreen(Wnd, &Pt); 706 lParam = MAKELPARAM(Pt.x, Pt.y); 707 co_IntSendMessage(UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), lParam); 708 break; 709 } 710 711 case WM_NCRBUTTONUP: 712 /* 713 * FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked 714 * in Windows), but what _should_ we do? According to MSDN : 715 * "If it is appropriate to do so, the system sends the WM_SYSCOMMAND 716 * message to the window". When is it appropriate? 717 */ 718 ERR("WM_NCRBUTTONUP\n"); 719 break; 720 721 case WM_XBUTTONUP: 722 case WM_NCXBUTTONUP: 723 if (HIWORD(wParam) == XBUTTON1 || HIWORD(wParam) == XBUTTON2) 724 { 725 co_IntSendMessage(UserHMGetHandle(Wnd), WM_APPCOMMAND, (WPARAM)UserHMGetHandle(Wnd), 726 MAKELPARAM(LOWORD(wParam), FAPPCOMMAND_MOUSE | HIWORD(wParam))); 727 } 728 break; 729 730 731 case WM_CONTEXTMENU: 732 { 733 if (Wnd->style & WS_CHILD) 734 { 735 co_IntSendMessage(UserHMGetHandle(IntGetParent(Wnd)), Msg, (WPARAM)UserHMGetHandle(Wnd), lParam); 736 } 737 else 738 { 739 POINT Pt; 740 LONG_PTR Style; 741 LONG HitCode; 742 743 Style = Wnd->style; 744 745 Pt.x = GET_X_LPARAM(lParam); 746 Pt.y = GET_Y_LPARAM(lParam); 747 if (Style & WS_CHILD) 748 { 749 IntScreenToClient(IntGetParent(Wnd), &Pt); 750 } 751 752 HitCode = GetNCHitEx(Wnd, Pt); 753 754 if (HitCode == HTCAPTION || HitCode == HTSYSMENU) 755 { 756 PMENU SystemMenu; 757 UINT Flags; 758 759 if((SystemMenu = IntGetSystemMenu(Wnd, FALSE))) 760 { 761 MENU_InitSysMenuPopup(SystemMenu, Wnd->style, Wnd->pcls->style, HitCode); 762 763 if(HitCode == HTCAPTION) 764 Flags = TPM_LEFTBUTTON | TPM_RIGHTBUTTON; 765 else 766 Flags = TPM_LEFTBUTTON; 767 768 IntTrackPopupMenuEx(SystemMenu, Flags|TPM_SYSTEM_MENU, Pt.x, Pt.y, Wnd, NULL); 769 } 770 } 771 if (HitCode == HTHSCROLL || HitCode == HTVSCROLL) 772 { 773 WARN("Scroll Menu Not Supported\n"); 774 } 775 } 776 break; 777 } 778 779 case WM_KEYDOWN: 780 if (wParam == VK_F10) 781 { 782 pti->MessageQueue->QF_flags |= QF_FF10STATUS; 783 784 if (UserGetKeyState(VK_SHIFT) & 0x8000) 785 { 786 co_IntSendMessage(UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), MAKELPARAM(-1, -1)); 787 } 788 } 789 if (g_bWindowSnapEnabled && (IS_KEY_DOWN(gafAsyncKeyState, VK_LWIN) || IS_KEY_DOWN(gafAsyncKeyState, VK_RWIN))) 790 { 791 BOOL IsTaskBar; 792 DWORD StyleTB; 793 DWORD ExStyleTB; 794 HWND hwndTop = UserGetForegroundWindow(); 795 PWND topWnd = UserGetWindowObject(hwndTop); 796 797 // MS Doc: foreground window can be NULL, e.g. when window is losing activation 798 if (!topWnd) 799 return 0; 800 801 // We want to forbid snapping operations on the TaskBar 802 // We use a heuristic for detecting the TaskBar Wnd by its typical Style & ExStyle Values 803 ExStyleTB = (topWnd->ExStyle & WS_EX_TOOLWINDOW); 804 StyleTB = (topWnd->style & (WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN)); 805 IsTaskBar = (StyleTB == (WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN)) 806 && (ExStyleTB == WS_EX_TOOLWINDOW); 807 TRACE("ExStyle=%x Style=%x IsTaskBar=%d\n", ExStyleTB, StyleTB, IsTaskBar); 808 809 if (!IsTaskBar) 810 { 811 if ((topWnd->style & WS_THICKFRAME) == 0) 812 return 0; 813 814 if (wParam == VK_DOWN) 815 { 816 if (topWnd->style & WS_MAXIMIZE) 817 { 818 co_IntSendMessage(hwndTop, WM_SYSCOMMAND, SC_RESTORE, lParam); 819 820 /* "Normal size" must be erased after restoring, otherwise it will block next side snap actions */ 821 RECTL_vSetEmptyRect(&topWnd->InternalPos.NormalRect); 822 } 823 else 824 { 825 co_IntSendMessage(hwndTop, WM_SYSCOMMAND, SC_MINIMIZE, lParam); 826 } 827 } 828 else if (wParam == VK_UP) 829 { 830 RECT currentRect; 831 if ((topWnd->InternalPos.NormalRect.right == topWnd->InternalPos.NormalRect.left) || 832 (topWnd->InternalPos.NormalRect.top == topWnd->InternalPos.NormalRect.bottom)) 833 { 834 currentRect = topWnd->rcWindow; 835 } 836 else 837 { 838 currentRect = topWnd->InternalPos.NormalRect; 839 } 840 co_IntSendMessage(hwndTop, WM_SYSCOMMAND, SC_MAXIMIZE, 0); 841 842 // save normal rect if maximazing snapped window 843 topWnd->InternalPos.NormalRect = currentRect; 844 } 845 else if (wParam == VK_LEFT || wParam == VK_RIGHT) 846 { 847 RECT snapRect, normalRect, windowRect; 848 BOOL snapped; 849 normalRect = topWnd->InternalPos.NormalRect; 850 snapped = (normalRect.left != 0 && normalRect.right != 0 && 851 normalRect.top != 0 && normalRect.bottom != 0); 852 853 if (topWnd->style & WS_MAXIMIZE) 854 { 855 co_IntSendMessage(hwndTop, WM_SYSCOMMAND, SC_RESTORE, lParam); 856 snapped = FALSE; 857 } 858 windowRect = topWnd->rcWindow; 859 860 UserSystemParametersInfo(SPI_GETWORKAREA, 0, &snapRect, 0); 861 if (wParam == VK_LEFT) 862 { 863 snapRect.right = (snapRect.left + snapRect.right) / 2; 864 } 865 else // VK_RIGHT 866 { 867 snapRect.left = (snapRect.left + snapRect.right) / 2; 868 } 869 870 if (snapped) 871 { 872 // if window was snapped but moved to other location - restore normal size 873 if (!IntEqualRect(&snapRect, &windowRect)) 874 { 875 RECT empty = {0, 0, 0, 0}; 876 co_WinPosSetWindowPos(topWnd, 877 0, 878 normalRect.left, 879 normalRect.top, 880 normalRect.right - normalRect.left, 881 normalRect.bottom - normalRect.top, 882 0); 883 topWnd->InternalPos.NormalRect = empty; 884 } 885 } 886 else 887 { 888 co_WinPosSetWindowPos(topWnd, 889 0, 890 snapRect.left, 891 snapRect.top, 892 snapRect.right - snapRect.left, 893 snapRect.bottom - snapRect.top, 894 0); 895 topWnd->InternalPos.NormalRect = windowRect; 896 } 897 } 898 } 899 } 900 break; 901 902 case WM_SYSKEYDOWN: 903 { 904 if (HIWORD(lParam) & KF_ALTDOWN) 905 { /* Previous state, if the key was down before this message, 906 this is a cheap way to ignore autorepeat keys. */ 907 if ( !(HIWORD(lParam) & KF_REPEAT) ) 908 { 909 if ( ( wParam == VK_MENU || 910 wParam == VK_LMENU || 911 wParam == VK_RMENU ) && !(pti->MessageQueue->QF_flags & QF_FMENUSTATUS)) //iMenuSysKey ) 912 pti->MessageQueue->QF_flags |= QF_FMENUSTATUS; //iMenuSysKey = 1; 913 else 914 pti->MessageQueue->QF_flags &= ~QF_FMENUSTATUS; //iMenuSysKey = 0; 915 } 916 917 pti->MessageQueue->QF_flags &= ~QF_FF10STATUS; //iF10Key = 0; 918 919 if (wParam == VK_F4) /* Try to close the window */ 920 { 921 PWND top = UserGetAncestor(Wnd, GA_ROOT); 922 if (!(top->pcls->style & CS_NOCLOSE)) 923 UserPostMessage(UserHMGetHandle(top), WM_SYSCOMMAND, SC_CLOSE, 0); 924 } 925 else if (wParam == VK_SNAPSHOT) // Alt-VK_SNAPSHOT? 926 { 927 PWND pwnd = Wnd; 928 while (IntGetParent(pwnd) != NULL) 929 { 930 pwnd = IntGetParent(pwnd); 931 } 932 ERR("DefWndScreenshot\n"); 933 DefWndScreenshot(pwnd); 934 } 935 else if ( wParam == VK_ESCAPE || wParam == VK_TAB ) // Alt-Tab/ESC Alt-Shift-Tab/ESC 936 { 937 WPARAM wParamTmp; 938 HWND Active = UserGetActiveWindow(); // Noticed MDI problem. 939 if (!Active) 940 { 941 FIXME("WM_SYSKEYDOWN VK_ESCAPE no active\n"); 942 break; 943 } 944 wParamTmp = UserGetKeyState(VK_SHIFT) & 0x8000 ? SC_PREVWINDOW : SC_NEXTWINDOW; 945 co_IntSendMessage( Active, WM_SYSCOMMAND, wParamTmp, wParam ); 946 } 947 } 948 else if( wParam == VK_F10 ) 949 { 950 if (UserGetKeyState(VK_SHIFT) & 0x8000) 951 co_IntSendMessage( UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), MAKELPARAM(-1, -1) ); 952 pti->MessageQueue->QF_flags |= QF_FF10STATUS; //iF10Key = 1; 953 } 954 else if( wParam == VK_ESCAPE && (UserGetKeyState(VK_SHIFT) & 0x8000)) 955 co_IntSendMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_KEYMENU, ' ' ); 956 break; 957 } 958 959 case WM_KEYUP: 960 case WM_SYSKEYUP: 961 { 962 /* Press and release F10 or ALT */ 963 if (((wParam == VK_MENU || wParam == VK_LMENU || wParam == VK_RMENU) 964 && (pti->MessageQueue->QF_flags & (QF_FMENUSTATUS|QF_FMENUSTATUSBREAK)) == QF_FMENUSTATUS /*iMenuSysKey*/) || 965 ((wParam == VK_F10) && pti->MessageQueue->QF_flags & QF_FF10STATUS /*iF10Key*/)) 966 co_IntSendMessage( UserHMGetHandle(UserGetAncestor( Wnd, GA_ROOT )), WM_SYSCOMMAND, SC_KEYMENU, 0L ); 967 pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK|QF_FF10STATUS); //iMenuSysKey = iF10Key = 0; 968 break; 969 } 970 971 case WM_SYSCHAR: 972 { 973 pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK); //iMenuSysKey = 0; 974 if (wParam == VK_RETURN && (Wnd->style & WS_MINIMIZE) != 0) 975 { 976 UserPostMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_RESTORE, 0L ); 977 break; 978 } 979 if ((HIWORD(lParam) & KF_ALTDOWN) && wParam) 980 { 981 if (wParam == VK_TAB || wParam == VK_ESCAPE) break; 982 if (wParam == VK_SPACE && Wnd->style & WS_CHILD) 983 co_IntSendMessage( UserHMGetHandle(IntGetParent(Wnd)), Msg, wParam, lParam ); 984 else 985 co_IntSendMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_KEYMENU, wParam ); 986 } 987 else /* check for Ctrl-Esc */ 988 if (wParam != VK_ESCAPE) UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, 0); //MessageBeep(0); 989 break; 990 } 991 992 case WM_CANCELMODE: 993 { 994 pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK); 995 996 MENU_EndMenu( Wnd ); 997 if (IntGetCaptureWindow() == UserHMGetHandle(Wnd)) 998 { 999 IntReleaseCapture(); 1000 } 1001 break; 1002 } 1003 1004 case WM_CLOSE: 1005 co_UserDestroyWindow(Wnd); 1006 break; 1007 1008 case WM_CTLCOLORMSGBOX: 1009 case WM_CTLCOLOREDIT: 1010 case WM_CTLCOLORLISTBOX: 1011 case WM_CTLCOLORBTN: 1012 case WM_CTLCOLORDLG: 1013 case WM_CTLCOLORSTATIC: 1014 case WM_CTLCOLORSCROLLBAR: 1015 return (LRESULT) DefWndControlColor((HDC)wParam, Msg - WM_CTLCOLORMSGBOX); 1016 1017 case WM_CTLCOLOR: 1018 return (LRESULT) DefWndControlColor((HDC)wParam, HIWORD(lParam)); 1019 1020 case WM_SETCURSOR: 1021 { 1022 if (Wnd->style & WS_CHILD) 1023 { 1024 /* with the exception of the border around a resizable wnd, 1025 * give the parent first chance to set the cursor */ 1026 if (LOWORD(lParam) < HTLEFT || LOWORD(lParam) > HTBOTTOMRIGHT) 1027 { 1028 PWND parent = Wnd->spwndParent;//IntGetParent( Wnd ); 1029 if (parent != UserGetDesktopWindow() && 1030 co_IntSendMessage( UserHMGetHandle(parent), WM_SETCURSOR, wParam, lParam)) 1031 return TRUE; 1032 } 1033 } 1034 return DefWndHandleSetCursor(Wnd, wParam, lParam); 1035 } 1036 1037 case WM_MOUSEACTIVATE: 1038 if (Wnd->style & WS_CHILD) 1039 { 1040 HWND hwndParent; 1041 PWND pwndParent = IntGetParent(Wnd); 1042 hwndParent = pwndParent ? UserHMGetHandle(pwndParent) : NULL; 1043 if (hwndParent) 1044 { 1045 lResult = co_IntSendMessage(hwndParent, WM_MOUSEACTIVATE, wParam, lParam); 1046 if (lResult) 1047 break; 1048 } 1049 } 1050 return ( (HIWORD(lParam) == WM_LBUTTONDOWN && LOWORD(lParam) == HTCAPTION) ? MA_NOACTIVATE : MA_ACTIVATE ); 1051 1052 case WM_ACTIVATE: 1053 /* The default action in Windows is to set the keyboard focus to 1054 * the window, if it's being activated and not minimized */ 1055 if (LOWORD(wParam) != WA_INACTIVE && 1056 !(Wnd->style & WS_MINIMIZE)) 1057 { 1058 //ERR("WM_ACTIVATE %p\n",hWnd); 1059 co_UserSetFocus(Wnd); 1060 } 1061 break; 1062 1063 case WM_MOUSEWHEEL: 1064 if (Wnd->style & WS_CHILD) 1065 { 1066 HWND hwndParent; 1067 PWND pwndParent = IntGetParent(Wnd); 1068 hwndParent = pwndParent ? UserHMGetHandle(pwndParent) : NULL; 1069 return co_IntSendMessage( hwndParent, WM_MOUSEWHEEL, wParam, lParam); 1070 } 1071 break; 1072 1073 case WM_ERASEBKGND: 1074 case WM_ICONERASEBKGND: 1075 { 1076 RECT Rect; 1077 HBRUSH hBrush = Wnd->pcls->hbrBackground; 1078 if (!hBrush) return 0; 1079 if (hBrush <= (HBRUSH)COLOR_MENUBAR) 1080 { 1081 hBrush = IntGetSysColorBrush(HandleToUlong(hBrush)); 1082 } 1083 if (Wnd->pcls->style & CS_PARENTDC) 1084 { 1085 /* can't use GetClipBox with a parent DC or we fill the whole parent */ 1086 IntGetClientRect(Wnd, &Rect); 1087 GreDPtoLP((HDC)wParam, (LPPOINT)&Rect, 2); 1088 } 1089 else 1090 { 1091 GdiGetClipBox((HDC)wParam, &Rect); 1092 } 1093 FillRect((HDC)wParam, &Rect, hBrush); 1094 return (1); 1095 } 1096 1097 case WM_GETHOTKEY: 1098 //ERR("WM_GETHOTKEY\n"); 1099 return DefWndGetHotKey(Wnd); 1100 case WM_SETHOTKEY: 1101 //ERR("WM_SETHOTKEY\n"); 1102 return DefWndSetHotKey(Wnd, wParam); 1103 1104 case WM_NCHITTEST: 1105 { 1106 POINT Point; 1107 Point.x = GET_X_LPARAM(lParam); 1108 Point.y = GET_Y_LPARAM(lParam); 1109 return GetNCHitEx(Wnd, Point); 1110 } 1111 1112 case WM_PRINT: 1113 { 1114 DefWndPrint(Wnd, (HDC)wParam, lParam); 1115 return (0); 1116 } 1117 1118 case WM_SYSCOLORCHANGE: 1119 { 1120 /* force to redraw non-client area */ 1121 UserPaintCaption(Wnd, DC_NC); 1122 /* Use InvalidateRect to redraw client area, enable 1123 * erase to redraw all subcontrols otherwise send the 1124 * WM_SYSCOLORCHANGE to child windows/controls is required 1125 */ 1126 co_UserRedrawWindow( Wnd, NULL, NULL, RDW_ALLCHILDREN|RDW_INVALIDATE|RDW_ERASE); 1127 return (0); 1128 } 1129 1130 case WM_PAINTICON: 1131 case WM_PAINT: 1132 { 1133 PAINTSTRUCT Ps; 1134 HDC hDC; 1135 1136 /* If already in Paint and Client area is not empty just return. */ 1137 if (Wnd->state2 & WNDS2_STARTPAINT && !RECTL_bIsEmptyRect(&Wnd->rcClient)) 1138 { 1139 ERR("In Paint and Client area is not empty!\n"); 1140 return 0; 1141 } 1142 1143 hDC = IntBeginPaint(Wnd, &Ps); 1144 if (hDC) 1145 { 1146 if (((Wnd->style & WS_MINIMIZE) != 0) && (Wnd->pcls->spicn)) 1147 { 1148 RECT ClientRect; 1149 INT x, y; 1150 1151 ERR("Doing Paint and Client area is empty!\n"); 1152 IntGetClientRect(Wnd, &ClientRect); 1153 x = (ClientRect.right - ClientRect.left - UserGetSystemMetrics(SM_CXICON)) / 2; 1154 y = (ClientRect.bottom - ClientRect.top - UserGetSystemMetrics(SM_CYICON)) / 2; 1155 UserReferenceObject(Wnd->pcls->spicn); 1156 UserDrawIconEx(hDC, x, y, Wnd->pcls->spicn, 0, 0, 0, 0, DI_NORMAL | DI_COMPAT | DI_DEFAULTSIZE); 1157 UserDereferenceObject(Wnd->pcls->spicn); 1158 } 1159 1160 IntEndPaint(Wnd, &Ps); 1161 } 1162 return (0); 1163 } 1164 1165 case WM_SYNCPAINT: 1166 { 1167 HRGN hRgn; 1168 Wnd->state &= ~WNDS_SYNCPAINTPENDING; 1169 TRACE("WM_SYNCPAINT\n"); 1170 hRgn = NtGdiCreateRectRgn(0, 0, 0, 0); 1171 if (hRgn) 1172 { 1173 if (co_UserGetUpdateRgn(Wnd, hRgn, FALSE) != NULLREGION) 1174 { 1175 PREGION pRgn = REGION_LockRgn(hRgn); 1176 if (pRgn) REGION_UnlockRgn(pRgn); 1177 if (!wParam) 1178 wParam = (RDW_ERASENOW | RDW_ERASE | RDW_FRAME | RDW_ALLCHILDREN); 1179 co_UserRedrawWindow(Wnd, NULL, pRgn, wParam); 1180 } 1181 GreDeleteObject(hRgn); 1182 } 1183 return 0; 1184 } 1185 1186 case WM_SETREDRAW: 1187 if (wParam) 1188 { 1189 if (!(Wnd->style & WS_VISIBLE)) 1190 { 1191 IntSetStyle( Wnd, WS_VISIBLE, 0 ); 1192 Wnd->state |= WNDS_SENDNCPAINT; 1193 } 1194 } 1195 else 1196 { 1197 if (Wnd->style & WS_VISIBLE) 1198 { 1199 co_UserRedrawWindow( Wnd, NULL, NULL, RDW_ALLCHILDREN | RDW_VALIDATE ); 1200 IntSetStyle( Wnd, 0, WS_VISIBLE ); 1201 } 1202 } 1203 return 0; 1204 1205 case WM_WINDOWPOSCHANGING: 1206 { 1207 return (DefWndHandleWindowPosChanging(Wnd, (WINDOWPOS*)lParam)); 1208 } 1209 1210 case WM_WINDOWPOSCHANGED: 1211 { 1212 return (DefWndHandleWindowPosChanged(Wnd, (WINDOWPOS*)lParam)); 1213 } 1214 1215 case WM_NCCALCSIZE: 1216 { 1217 return NC_HandleNCCalcSize( Wnd, wParam, (RECTL *)lParam, FALSE ); 1218 } 1219 1220 case WM_NCACTIVATE: 1221 { 1222 return NC_HandleNCActivate( Wnd, wParam, lParam ); 1223 } 1224 1225 // 1226 // NC Paint mode. 1227 // 1228 case WM_NCPAINT: 1229 { 1230 HDC hDC = UserGetDCEx(Wnd, (HRGN)wParam, DCX_WINDOW | DCX_INTERSECTRGN | DCX_USESTYLE | DCX_KEEPCLIPRGN); 1231 Wnd->state |= WNDS_FORCEMENUDRAW; 1232 NC_DoNCPaint(Wnd, hDC, -1); 1233 Wnd->state &= ~WNDS_FORCEMENUDRAW; 1234 UserReleaseDC(Wnd, hDC, FALSE); 1235 return 0; 1236 } 1237 // 1238 // Draw Caption mode. 1239 // 1240 // wParam are DC_* flags. 1241 // 1242 case WM_NCUAHDRAWCAPTION: 1243 { 1244 HDC hDC = UserGetDCEx(Wnd, NULL, DCX_WINDOW|DCX_USESTYLE); 1245 TRACE("WM_NCUAHDRAWCAPTION: wParam DC_ flags %08x\n",wParam); 1246 UserDrawCaptionBar(Wnd, hDC, wParam | DC_FRAME); // Include DC_FRAME to comp for drawing glitch. 1247 UserReleaseDC(Wnd, hDC, FALSE); 1248 return 0; 1249 } 1250 // 1251 // Draw Frame mode. 1252 // 1253 // wParam is HDC, lParam are DC_ACTIVE and or DC_REDRAWHUNGWND. 1254 // 1255 case WM_NCUAHDRAWFRAME: 1256 { 1257 TRACE("WM_NCUAHDRAWFRAME: wParam hDC %p lParam DC_ flags %08x\n",wParam,lParam); 1258 NC_DoNCPaint(Wnd, (HDC)wParam, lParam|DC_NC); 1259 return 0; 1260 } 1261 1262 /* ReactOS only. */ 1263 case WM_CBT: 1264 { 1265 switch (wParam) 1266 { 1267 case HCBT_MOVESIZE: 1268 { 1269 RECTL rt; 1270 1271 if (lParam) 1272 { 1273 _SEH2_TRY 1274 { 1275 ProbeForRead((PVOID)lParam, 1276 sizeof(RECT), 1277 1); 1278 1279 RtlCopyMemory(&rt, 1280 (PVOID)lParam, 1281 sizeof(RECT)); 1282 } 1283 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) 1284 { 1285 lResult = 1; 1286 } 1287 _SEH2_END; 1288 } 1289 if (!lResult) 1290 lResult = co_HOOK_CallHooks(WH_CBT, HCBT_MOVESIZE, (WPARAM)UserHMGetHandle(Wnd), lParam ? (LPARAM)&rt : 0); 1291 1292 break; 1293 } 1294 } 1295 break; 1296 } 1297 } 1298 return lResult; 1299 } 1300 1301 /* EOF */ 1302