1 /* $Id: defwnd.c,v 1.124 2004/02/22 23:40:58 gvg Exp $
3 * COPYRIGHT: See COPYING in the top level directory
4 * PROJECT: ReactOS user32.dll
5 * FILE: lib/user32/windows/window.c
6 * PURPOSE: Window management
7 * PROGRAMMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
9 * 06-06-2001 CSH Created
12 /* INCLUDES ******************************************************************/
17 #include <user32/wininternal.h>
27 LRESULT
DefWndNCPaint(HWND hWnd
, HRGN hRgn
);
28 LRESULT
DefWndNCCalcSize(HWND hWnd
, BOOL CalcSizeStruct
, RECT
*Rect
);
29 LRESULT
DefWndNCActivate(HWND hWnd
, WPARAM wParam
);
30 LRESULT
DefWndNCHitTest(HWND hWnd
, POINT Point
);
31 LRESULT
DefWndNCLButtonDown(HWND hWnd
, WPARAM wParam
, LPARAM lParam
);
32 LRESULT
DefWndNCLButtonDblClk(HWND hWnd
, WPARAM wParam
, LPARAM lParam
);
34 /* GLOBALS *******************************************************************/
36 /* TODO: widgets will be cached here.
37 static HBITMAP hbClose;
38 static HBITMAP hbCloseD;
39 static HBITMAP hbMinimize;
40 static HBITMAP hbMinimizeD;
41 static HBITMAP hbRestore;
42 static HBITMAP hbRestoreD;
43 static HBITMAP hbMaximize;
44 static HBITMAP hbScrUp;
45 static HBITMAP hbScrDwn;
46 static HBITMAP hbScrLeft;
47 static HBITMAP hbScrRight;
51 static COLORREF SysColors
[] =
53 RGB(192, 192, 192) /* COLOR_SCROLLBAR */,
54 RGB(58, 110, 165) /* COLOR_BACKGROUND */,
55 RGB(10, 36, 106) /* COLOR_ACTIVECAPTION */,
56 RGB(128, 128, 128) /* COLOR_INACTIVECAPTION */,
57 RGB(192, 192, 192) /* COLOR_MENU */,
58 RGB(255, 255, 255) /* COLOR_WINDOW */,
59 RGB(0, 0, 0) /* COLOR_WINDOWFRAME */,
60 RGB(0, 0, 0) /* COLOR_MENUTEXT */,
61 RGB(0, 0, 0) /* COLOR_WINDOWTEXT */,
62 RGB(255, 255, 255) /* COLOR_CAPTIONTEXT */,
63 RGB(192, 192, 192) /* COLOR_ACTIVEBORDER */,
64 RGB(192, 192, 192) /* COLOR_INACTIVEBORDER */,
65 RGB(128, 128, 128) /* COLOR_APPWORKSPACE */,
66 RGB(0, 0, 128) /* COLOR_HILIGHT */,
67 RGB(255, 255, 255) /* COLOR_HILIGHTTEXT */,
68 RGB(192, 192, 192) /* COLOR_BTNFACE */,
69 RGB(128, 128, 128) /* COLOR_BTNSHADOW */,
70 RGB(128, 128, 128) /* COLOR_GRAYTEXT */,
71 RGB(0, 0, 0) /* COLOR_BTNTEXT */,
72 RGB(192, 192, 192) /* COLOR_INACTIVECAPTIONTEXT */,
73 RGB(255, 255, 255) /* COLOR_BTNHILIGHT */,
74 RGB(32, 32, 32) /* COLOR_3DDKSHADOW */,
75 RGB(192, 192, 192) /* COLOR_3DLIGHT */,
76 RGB(0, 0, 0) /* COLOR_INFOTEXT */,
77 RGB(255, 255, 192) /* COLOR_INFOBK */,
78 RGB(180, 180, 180) /* COLOR_ALTERNATEBTNFACE */,
79 RGB(0, 0, 255) /* COLOR_HOTLIGHT */,
80 RGB(166, 202, 240) /* COLOR_GRADIENTACTIVECAPTION */,
81 RGB(192, 192, 192) /* COLOR_GRADIENTINACTIVECAPTION */,
84 #define NUM_SYSCOLORS (sizeof(SysColors) / sizeof(SysColors[0]))
86 /* Bits in the dwKeyData */
87 #define KEYDATA_ALT 0x2000
89 /* FUNCTIONS *****************************************************************/
95 GetSysColor(int nIndex
)
97 return SysColors
[nIndex
];
104 GetSysColorPen(int nIndex
)
106 static HPEN SysPens
[NUM_SYSCOLORS
];
108 if (nIndex
< 0 || NUM_SYSCOLORS
< nIndex
)
110 SetLastError(ERROR_INVALID_PARAMETER
);
114 /* FIXME should register this object with DeleteObject() so it
116 if (NULL
== SysPens
[nIndex
])
118 SysPens
[nIndex
] = CreatePen(PS_SOLID
, 1, SysColors
[nIndex
]);
121 return SysPens
[nIndex
];
128 GetSysColorBrush(int nIndex
)
130 static HBRUSH SysBrushes
[NUM_SYSCOLORS
];
132 if (nIndex
< 0 || NUM_SYSCOLORS
< nIndex
)
134 SetLastError(ERROR_INVALID_PARAMETER
);
138 /* FIXME should register this object with DeleteObject() so it
140 if (NULL
== SysBrushes
[nIndex
])
142 SysBrushes
[nIndex
] = (HBRUSH
) ((DWORD
) CreateSolidBrush(SysColors
[nIndex
]) | 0x00800000);
145 return SysBrushes
[nIndex
];
153 DefFrameProcA( HWND hWnd,
169 DefFrameProcW(HWND hWnd,
181 UserHasAnyFrameStyle(ULONG Style
, ULONG ExStyle
)
183 return ((Style
& (WS_THICKFRAME
| WS_DLGFRAME
| WS_BORDER
)) ||
184 (ExStyle
& WS_EX_DLGMODALFRAME
) ||
185 (!(Style
& (WS_CHILD
| WS_POPUP
))));
189 UserHasDlgFrameStyle(ULONG Style
, ULONG ExStyle
)
191 return ((ExStyle
& WS_EX_DLGMODALFRAME
) ||
192 ((Style
& WS_DLGFRAME
) && (!(Style
& WS_THICKFRAME
))));
196 UserHasThickFrameStyle(ULONG Style
, ULONG ExStyle
)
198 return ((Style
& WS_THICKFRAME
) &&
199 (!((Style
& (WS_DLGFRAME
| WS_BORDER
)) == WS_DLGFRAME
)));
203 UserHasThinFrameStyle(ULONG Style
, ULONG ExStyle
)
205 return ((Style
& WS_BORDER
) || (!(Style
& (WS_CHILD
| WS_POPUP
))));
209 UserHasBigFrameStyle(ULONG Style
, ULONG ExStyle
)
211 return ((Style
& (WS_THICKFRAME
| WS_DLGFRAME
)) ||
212 (ExStyle
& WS_EX_DLGMODALFRAME
));
216 UserGetInsideRectNC(HWND hWnd
, RECT
*rect
)
222 Style
= GetWindowLongW(hWnd
, GWL_STYLE
);
223 ExStyle
= GetWindowLongW(hWnd
, GWL_EXSTYLE
);
224 GetWindowRect(hWnd
, &WindowRect
);
225 rect
->top
= rect
->left
= 0;
226 rect
->right
= WindowRect
.right
- WindowRect
.left
;
227 rect
->bottom
= WindowRect
.bottom
- WindowRect
.top
;
229 if (Style
& WS_ICONIC
)
234 /* Remove frame from rectangle */
235 if (UserHasThickFrameStyle(Style
, ExStyle
))
237 InflateRect(rect
, -GetSystemMetrics(SM_CXFRAME
),
238 -GetSystemMetrics(SM_CYFRAME
));
242 if (UserHasDlgFrameStyle(Style
, ExStyle
))
244 InflateRect(rect
, -GetSystemMetrics(SM_CXDLGFRAME
),
245 -GetSystemMetrics(SM_CYDLGFRAME
));
246 /* FIXME: this isn't in NC_AdjustRect? why not? */
247 if (ExStyle
& WS_EX_DLGMODALFRAME
)
248 InflateRect( rect
, -1, 0 );
252 if (UserHasThinFrameStyle(Style
, ExStyle
))
254 InflateRect(rect
, -GetSystemMetrics(SM_CXBORDER
),
255 -GetSystemMetrics(SM_CYBORDER
));
263 DefWndSetRedraw(HWND hWnd
, WPARAM wParam
)
270 DefWndHandleSetCursor(HWND hWnd
, WPARAM wParam
, LPARAM lParam
, ULONG Style
)
272 /* Not for child windows. */
273 if (hWnd
!= (HWND
)wParam
)
278 switch(LOWORD(lParam
))
282 WORD Msg
= HIWORD(lParam
);
283 if (Msg
== WM_LBUTTONDOWN
|| Msg
== WM_MBUTTONDOWN
||
284 Msg
== WM_RBUTTONDOWN
|| Msg
== WM_XBUTTONDOWN
)
293 HICON hCursor
= (HICON
)GetClassLongW(hWnd
, GCL_HCURSOR
);
305 if (Style
& WS_MAXIMIZE
)
309 return((LRESULT
)SetCursor(LoadCursorW(0, IDC_SIZEWE
)));
315 if (Style
& WS_MAXIMIZE
)
319 return((LRESULT
)SetCursor(LoadCursorW(0, IDC_SIZENS
)));
325 if (Style
& WS_MAXIMIZE
)
329 return((LRESULT
)SetCursor(LoadCursorW(0, IDC_SIZENWSE
)));
335 if (GetWindowLongW(hWnd
, GWL_STYLE
) & WS_MAXIMIZE
)
339 return((LRESULT
)SetCursor(LoadCursorW(0, IDC_SIZENESW
)));
342 return((LRESULT
)SetCursor(LoadCursorW(0, IDC_ARROW
)));
346 DefWndStartSizeMove(HWND hWnd
, WPARAM wParam
, POINT
*capturePoint
)
352 ULONG Style
= GetWindowLongW(hWnd
, GWL_STYLE
);
354 GetWindowRect(hWnd
, &rectWindow
);
356 if ((wParam
& 0xfff0) == SC_MOVE
)
358 /* Move pointer at the center of the caption */
360 UserGetInsideRectNC(hWnd
, &rect
);
361 if (Style
& WS_SYSMENU
)
362 rect
.left
+= GetSystemMetrics(SM_CXSIZE
) + 1;
363 if (Style
& WS_MINIMIZEBOX
)
364 rect
.right
-= GetSystemMetrics(SM_CXSIZE
) + 1;
365 if (Style
& WS_MAXIMIZEBOX
)
366 rect
.right
-= GetSystemMetrics(SM_CXSIZE
) + 1;
367 pt
.x
= rectWindow
.left
+ (rect
.right
- rect
.left
) / 2;
368 pt
.y
= rectWindow
.top
+ rect
.top
+ GetSystemMetrics(SM_CYSIZE
)/2;
376 GetMessageW(&msg
, NULL
, 0, 0);
380 hittest
= DefWndNCHitTest(hWnd
, msg
.pt
);
381 if ((hittest
< HTLEFT
) || (hittest
> HTBOTTOMRIGHT
))
393 pt
.x
=(rectWindow
.left
+rectWindow
.right
)/2;
394 pt
.y
= rectWindow
.top
+ GetSystemMetrics(SM_CYFRAME
) / 2;
398 pt
.x
=(rectWindow
.left
+rectWindow
.right
)/2;
399 pt
.y
= rectWindow
.bottom
- GetSystemMetrics(SM_CYFRAME
) / 2;
403 pt
.x
= rectWindow
.left
+ GetSystemMetrics(SM_CXFRAME
) / 2;
404 pt
.y
=(rectWindow
.top
+rectWindow
.bottom
)/2;
408 pt
.x
= rectWindow
.right
- GetSystemMetrics(SM_CXFRAME
) / 2;
409 pt
.y
=(rectWindow
.top
+rectWindow
.bottom
)/2;
412 case VK_ESCAPE
: return 0;
418 SetCursorPos( pt
.x
, pt
.y
);
419 DefWndHandleSetCursor(hWnd
, (WPARAM
)hWnd
, MAKELONG(hittest
, WM_MOUSEMOVE
), Style
);
423 #define ON_LEFT_BORDER(hit) \
424 (((hit) == HTLEFT) || ((hit) == HTTOPLEFT) || ((hit) == HTBOTTOMLEFT))
425 #define ON_RIGHT_BORDER(hit) \
426 (((hit) == HTRIGHT) || ((hit) == HTTOPRIGHT) || ((hit) == HTBOTTOMRIGHT))
427 #define ON_TOP_BORDER(hit) \
428 (((hit) == HTTOP) || ((hit) == HTTOPLEFT) || ((hit) == HTTOPRIGHT))
429 #define ON_BOTTOM_BORDER(hit) \
430 (((hit) == HTBOTTOM) || ((hit) == HTBOTTOMLEFT) || ((hit) == HTBOTTOMRIGHT))
433 UserDrawWindowFrame(HDC hdc
, const RECT
*rect
,
434 ULONG width
, ULONG height
, DWORD rop
)
436 HBRUSH hbrush
= SelectObject( hdc
, GetStockObject( GRAY_BRUSH
) );
437 PatBlt( hdc
, rect
->left
, rect
->top
,
438 rect
->right
- rect
->left
- width
, height
, rop
);
439 PatBlt( hdc
, rect
->left
, rect
->top
+ height
, width
,
440 rect
->bottom
- rect
->top
- height
, rop
);
441 PatBlt( hdc
, rect
->left
+ width
, rect
->bottom
- 1,
442 rect
->right
- rect
->left
- width
, -height
, rop
);
443 PatBlt( hdc
, rect
->right
- 1, rect
->top
, -width
,
444 rect
->bottom
- rect
->top
- height
, rop
);
445 SelectObject( hdc
, hbrush
);
449 UserDrawMovingFrame(HDC hdc
, RECT
*rect
, BOOL thickframe
)
453 UserDrawWindowFrame(hdc
, rect
, GetSystemMetrics(SM_CXFRAME
),
454 GetSystemMetrics(SM_CYFRAME
), DSTINVERT
);
456 else DrawFocusRect( hdc
, rect
);
460 DefWndDoSizeMove(HWND hwnd
, WORD wParam
)
463 RECT sizingRect
, mouseRect
, origRect
, clipRect
;
465 LONG hittest
= (LONG
)(wParam
& 0x0f);
466 HCURSOR hDragCursor
= 0, hOldCursor
= 0;
467 POINT minTrack
, maxTrack
;
468 POINT capturePoint
, pt
;
469 ULONG Style
= GetWindowLongW(hwnd
, GWL_STYLE
);
470 ULONG ExStyle
= GetWindowLongW(hwnd
, GWL_EXSTYLE
);
472 BOOL iconic
= Style
& WS_MINIMIZE
;
474 DWORD dwPoint
= GetMessagePos();
475 BOOL DragFullWindows
= FALSE
;
478 SystemParametersInfoA(SPI_GETDRAGFULLWINDOWS
, 0, &DragFullWindows
, 0);
480 pt
.x
= SLOWORD(dwPoint
);
481 pt
.y
= SHIWORD(dwPoint
);
484 if (IsZoomed(hwnd
) || !IsWindowVisible(hwnd
))
489 thickframe
= UserHasThickFrameStyle(Style
, ExStyle
) && !(Style
& WS_MINIMIZE
);
490 if ((wParam
& 0xfff0) == SC_MOVE
)
494 hittest
= DefWndStartSizeMove(hwnd
, wParam
, &capturePoint
);
507 if (hittest
&& hittest
!= HTSYSMENU
)
514 hittest
= DefWndStartSizeMove(hwnd
, wParam
, &capturePoint
);
523 if (Style
& WS_CHILD
)
525 hWndParent
= GetParent(hwnd
);
528 /* Get min/max info */
530 WinPosGetMinMaxInfo(hwnd
, NULL
, NULL
, &minTrack
, &maxTrack
);
531 GetWindowRect(hwnd
, &sizingRect
);
532 if (Style
& WS_CHILD
)
534 MapWindowPoints( 0, hWndParent
, (LPPOINT
)&sizingRect
, 2 );
535 GetClientRect(hWndParent
, &mouseRect
);
536 clipRect
= mouseRect
;
537 MapWindowPoints(hWndParent
, HWND_DESKTOP
, (LPPOINT
)&clipRect
, 2);
541 SetRect(&mouseRect
, 0, 0, GetSystemMetrics(SM_CXSCREEN
),
542 GetSystemMetrics(SM_CYSCREEN
));
543 SystemParametersInfoW(SPI_GETWORKAREA
, 0, &clipRect
, 0);
545 ClipCursor(&clipRect
);
547 origRect
= sizingRect
;
548 if (ON_LEFT_BORDER(hittest
))
550 mouseRect
.left
= max( mouseRect
.left
, sizingRect
.right
-maxTrack
.x
);
551 mouseRect
.right
= min( mouseRect
.right
, sizingRect
.right
-minTrack
.x
);
553 else if (ON_RIGHT_BORDER(hittest
))
555 mouseRect
.left
= max( mouseRect
.left
, sizingRect
.left
+minTrack
.x
);
556 mouseRect
.right
= min( mouseRect
.right
, sizingRect
.left
+maxTrack
.x
);
558 if (ON_TOP_BORDER(hittest
))
560 mouseRect
.top
= max( mouseRect
.top
, sizingRect
.bottom
-maxTrack
.y
);
561 mouseRect
.bottom
= min( mouseRect
.bottom
,sizingRect
.bottom
-minTrack
.y
);
563 else if (ON_BOTTOM_BORDER(hittest
))
565 mouseRect
.top
= max( mouseRect
.top
, sizingRect
.top
+minTrack
.y
);
566 mouseRect
.bottom
= min( mouseRect
.bottom
, sizingRect
.top
+maxTrack
.y
);
568 if (Style
& WS_CHILD
)
570 MapWindowPoints( hWndParent
, 0, (LPPOINT
)&mouseRect
, 2 );
572 SendMessageA( hwnd
, WM_ENTERSIZEMOVE
, 0, 0 );
574 if (GetCapture() != hwnd
) SetCapture( hwnd
);
576 if (Style
& WS_CHILD
)
578 /* Retrieve a default cache DC (without using the window style) */
579 hdc
= GetDCEx(hWndParent
, 0, DCX_CACHE
);
586 if( iconic
) /* create a cursor for dragging */
588 HICON hIcon
= (HICON
)GetClassLongW(hwnd
, GCL_HICON
);
589 if(!hIcon
) hIcon
= (HICON
)SendMessageW( hwnd
, WM_QUERYDRAGICON
, 0, 0L);
590 if( hIcon
) hDragCursor
= CursorIconToCursor( hIcon
, TRUE
);
591 if( !hDragCursor
) iconic
= FALSE
;
594 /* invert frame if WIN31_LOOK to indicate mouse click on caption */
595 if( !iconic
&& !DragFullWindows
)
597 UserDrawMovingFrame( hdc
, &sizingRect
, thickframe
);
604 GetMessageW(&msg
, 0, 0, 0);
606 /* Exit on button-up, Return, or Esc */
607 if ((msg
.message
== WM_LBUTTONUP
) ||
608 ((msg
.message
== WM_KEYDOWN
) &&
609 ((msg
.wParam
== VK_RETURN
) || (msg
.wParam
== VK_ESCAPE
)))) break;
611 if (msg
.message
== WM_PAINT
)
613 if(!iconic
&& !DragFullWindows
) UserDrawMovingFrame( hdc
, &sizingRect
, thickframe
);
614 UpdateWindow( msg
.hwnd
);
615 if(!iconic
&& !DragFullWindows
) UserDrawMovingFrame( hdc
, &sizingRect
, thickframe
);
619 if ((msg
.message
!= WM_KEYDOWN
) && (msg
.message
!= WM_MOUSEMOVE
))
620 continue; /* We are not interested in other messages */
624 if (msg
.message
== WM_KEYDOWN
) switch(msg
.wParam
)
626 case VK_UP
: pt
.y
-= 8; break;
627 case VK_DOWN
: pt
.y
+= 8; break;
628 case VK_LEFT
: pt
.x
-= 8; break;
629 case VK_RIGHT
: pt
.x
+= 8; break;
632 pt
.x
= max( pt
.x
, mouseRect
.left
);
633 pt
.x
= min( pt
.x
, mouseRect
.right
);
634 pt
.y
= max( pt
.y
, mouseRect
.top
);
635 pt
.y
= min( pt
.y
, mouseRect
.bottom
);
637 dx
= pt
.x
- capturePoint
.x
;
638 dy
= pt
.y
- capturePoint
.y
;
646 if( iconic
) /* ok, no system popup tracking */
648 hOldCursor
= SetCursor(hDragCursor
);
653 if (msg
.message
== WM_KEYDOWN
) SetCursorPos( pt
.x
, pt
.y
);
656 RECT newRect
= sizingRect
;
657 WPARAM wpSizingHit
= 0;
659 if (hittest
== HTCAPTION
) OffsetRect( &newRect
, dx
, dy
);
660 if (ON_LEFT_BORDER(hittest
)) newRect
.left
+= dx
;
661 else if (ON_RIGHT_BORDER(hittest
)) newRect
.right
+= dx
;
662 if (ON_TOP_BORDER(hittest
)) newRect
.top
+= dy
;
663 else if (ON_BOTTOM_BORDER(hittest
)) newRect
.bottom
+= dy
;
664 if(!iconic
&& !DragFullWindows
) UserDrawMovingFrame( hdc
, &sizingRect
, thickframe
);
667 /* determine the hit location */
668 if (hittest
>= HTLEFT
&& hittest
<= HTBOTTOMRIGHT
)
669 wpSizingHit
= WMSZ_LEFT
+ (hittest
- HTLEFT
);
670 SendMessageA( hwnd
, WM_SIZING
, wpSizingHit
, (LPARAM
)&newRect
);
675 UserDrawMovingFrame( hdc
, &newRect
, thickframe
);
677 /* To avoid any deadlocks, all the locks on the windows
678 structures must be suspended before the SetWindowPos */
679 SetWindowPos( hwnd
, 0, newRect
.left
, newRect
.top
,
680 newRect
.right
- newRect
.left
,
681 newRect
.bottom
- newRect
.top
,
682 ( hittest
== HTCAPTION
) ? SWP_NOSIZE
: 0 );
685 sizingRect
= newRect
;
694 if( moved
) /* restore cursors, show icon title later on */
697 SetCursor( hOldCursor
);
699 DestroyCursor( hDragCursor
);
701 else if(!DragFullWindows
)
702 UserDrawMovingFrame( hdc
, &sizingRect
, thickframe
);
704 if (Style
& WS_CHILD
)
705 ReleaseDC( hWndParent
, hdc
);
709 SendMessageA( hwnd
, WM_EXITSIZEMOVE
, 0, 0 );
710 SendMessageA( hwnd
, WM_SETVISIBLE
, !IsIconic(hwnd
), 0L);
712 /* window moved or resized */
715 /* if the moving/resizing isn't canceled call SetWindowPos
716 * with the new position or the new size of the window
718 if (!((msg
.message
== WM_KEYDOWN
) && (msg
.wParam
== VK_ESCAPE
)) )
720 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
722 SetWindowPos( hwnd
, 0, sizingRect
.left
, sizingRect
.top
,
723 sizingRect
.right
- sizingRect
.left
,
724 sizingRect
.bottom
- sizingRect
.top
,
725 ( hittest
== HTCAPTION
) ? SWP_NOSIZE
: 0 );
727 else { /* restore previous size/position */
729 SetWindowPos( hwnd
, 0, origRect
.left
, origRect
.top
,
730 origRect
.right
- origRect
.left
,
731 origRect
.bottom
- origRect
.top
,
732 ( hittest
== HTCAPTION
) ? SWP_NOSIZE
: 0 );
737 if( Style
& WS_MINIMIZE
)
739 /* Single click brings up the system menu when iconized */
743 if( Style
& WS_SYSMENU
)
744 SendMessageA( hwnd
, WM_SYSCOMMAND
,
745 SC_MOUSEMENU
+ HTSYSMENU
, MAKELONG(pt
.x
,pt
.y
));
751 /***********************************************************************
752 * DefWndTrackScrollBar
754 * Track a mouse button press on the horizontal or vertical scroll-bar.
757 DefWndTrackScrollBar(HWND Wnd
, WPARAM wParam
, POINT Pt
)
761 if (SC_HSCROLL
== (wParam
& 0xfff0))
763 if (HTHSCROLL
!= (wParam
& 0x0f))
769 else /* SC_VSCROLL */
771 if (HTVSCROLL
!= (wParam
& 0x0f))
777 ScrollTrackScrollBar(Wnd
, ScrollBar
, Pt
);
782 DefWndHandleSysCommand(HWND hWnd
, WPARAM wParam
, POINT Pt
)
786 switch (wParam
& 0xfff0)
790 DefWndDoSizeMove(hWnd
, wParam
);
793 wp
.length
= sizeof(WINDOWPLACEMENT
);
794 if(GetWindowPlacement(hWnd
, &wp
))
796 wp
.showCmd
= SW_MINIMIZE
;
797 SetWindowPlacement(hWnd
, &wp
);
801 wp
.length
= sizeof(WINDOWPLACEMENT
);
802 if(GetWindowPlacement(hWnd
, &wp
))
804 wp
.showCmd
= SW_MAXIMIZE
;
805 SetWindowPlacement(hWnd
, &wp
);
809 wp
.length
= sizeof(WINDOWPLACEMENT
);
810 if(GetWindowPlacement(hWnd
, &wp
))
812 wp
.showCmd
= SW_RESTORE
;
813 SetWindowPlacement(hWnd
, &wp
);
817 SendMessageA(hWnd
, WM_CLOSE
, 0, 0);
820 MenuTrackMouseMenuBar(hWnd
, wParam
& 0x000f, Pt
);
823 MenuTrackKbdMenuBar(hWnd
, wParam
, Pt
.x
);
827 DefWndTrackScrollBar(hWnd
, wParam
, Pt
);
831 /* FIXME: Implement */
840 DefWndHandleWindowPosChanging(HWND hWnd
, WINDOWPOS
* Pos
)
842 POINT maxSize
, minTrack
;
843 LONG style
= GetWindowLongA(hWnd
, GWL_STYLE
);
845 if (Pos
->flags
& SWP_NOSIZE
) return 0;
846 if ((style
& WS_THICKFRAME
) || ((style
& (WS_POPUP
| WS_CHILD
)) == 0))
848 WinPosGetMinMaxInfo(hWnd
, &maxSize
, NULL
, &minTrack
, NULL
);
849 Pos
->cx
= min(Pos
->cx
, maxSize
.x
);
850 Pos
->cy
= min(Pos
->cy
, maxSize
.y
);
851 if (!(style
& WS_MINIMIZE
))
853 if (Pos
->cx
< minTrack
.x
) Pos
->cx
= minTrack
.x
;
854 if (Pos
->cy
< minTrack
.y
) Pos
->cy
= minTrack
.y
;
860 /* Undocumented flags. */
861 #define SWP_NOCLIENTMOVE 0x0800
862 #define SWP_NOCLIENTSIZE 0x1000
865 DefWndHandleWindowPosChanged(HWND hWnd
, WINDOWPOS
* Pos
)
869 GetClientRect(hWnd
, &Rect
);
870 MapWindowPoints(hWnd
, (GetWindowLongW(hWnd
, GWL_STYLE
) & WS_CHILD
?
871 GetParent(hWnd
) : NULL
), (LPPOINT
) &Rect
, 2);
873 if (! (Pos
->flags
& SWP_NOCLIENTMOVE
))
875 SendMessageW(hWnd
, WM_MOVE
, 0, MAKELONG(Rect
.left
, Rect
.top
));
878 if (! (Pos
->flags
& SWP_NOCLIENTSIZE
))
880 WPARAM wp
= SIZE_RESTORED
;
885 else if (IsIconic(hWnd
))
889 SendMessageW(hWnd
, WM_SIZE
, wp
,
890 MAKELONG(Rect
.right
- Rect
.left
, Rect
.bottom
- Rect
.top
));
896 /***********************************************************************
899 * Default colors for control painting.
902 DefWndControlColor(HDC hDC
, UINT ctlType
)
904 #if 0 /* FIXME: Re-enable when pattern brushes are implemented */
905 if (CTLCOLOR_SCROLLBAR
== ctlType
)
907 HBRUSH hb
= GetSysColorBrush(COLOR_SCROLLBAR
);
908 COLORREF bk
= GetSysColor(COLOR_3DHILIGHT
);
909 SetTextColor(hDC
, GetSysColor(COLOR_3DFACE
));
912 /* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
913 * we better use 0x55aa bitmap brush to make scrollbar's background
914 * look different from the window background.
916 if (bk
== GetSysColor(COLOR_WINDOW
))
918 static const WORD wPattern55AA
[] =
920 0x5555, 0xaaaa, 0x5555, 0xaaaa,
921 0x5555, 0xaaaa, 0x5555, 0xaaaa
923 static HBITMAP hPattern55AABitmap
= NULL
;
924 static HBRUSH hPattern55AABrush
= NULL
;
925 if (hPattern55AABrush
== NULL
)
927 hPattern55AABitmap
= CreateBitmap(8, 8, 1, 1, wPattern55AA
);
928 hPattern55AABrush
= CreatePatternBrush(hPattern55AABitmap
);
930 return hPattern55AABrush
;
937 SetTextColor(hDC
, GetSysColor(COLOR_WINDOWTEXT
));
939 if ((CTLCOLOR_EDIT
== ctlType
) || (CTLCOLOR_LISTBOX
== ctlType
))
941 SetBkColor(hDC
, GetSysColor(COLOR_WINDOW
));
945 SetBkColor(hDC
, GetSysColor(COLOR_3DFACE
));
946 return GetSysColorBrush(COLOR_3DFACE
);
949 return GetSysColorBrush(COLOR_WINDOW
);
953 DefWndScreenshot(HWND hWnd
)
959 User32DefWindowProc(HWND hWnd
,
969 return DefWndNCPaint(hWnd
, (HRGN
)wParam
);
974 return DefWndNCCalcSize(hWnd
, (BOOL
)wParam
, (RECT
*)lParam
);
979 return DefWndNCActivate(hWnd
, wParam
);
985 Point
.x
= SLOWORD(lParam
);
986 Point
.y
= SHIWORD(lParam
);
987 return (DefWndNCHitTest(hWnd
, Point
));
990 case WM_NCLBUTTONDOWN
:
992 return (DefWndNCLButtonDown(hWnd
, wParam
, lParam
));
995 case WM_NCLBUTTONDBLCLK
:
997 return (DefWndNCLButtonDblClk(hWnd
, wParam
, lParam
));
1000 case WM_WINDOWPOSCHANGING
:
1002 return (DefWndHandleWindowPosChanging(hWnd
, (WINDOWPOS
*)lParam
));
1005 case WM_WINDOWPOSCHANGED
:
1007 return (DefWndHandleWindowPosChanged(hWnd
, (WINDOWPOS
*)lParam
));
1013 if (hWnd
== GetCapture())
1017 Pt
.x
= SLOWORD(lParam
);
1018 Pt
.y
= SHIWORD(lParam
);
1019 ClientToScreen(hWnd
, &Pt
);
1020 lParam
= MAKELPARAM(Pt
.x
, Pt
.y
);
1023 SendMessageW(hWnd
, WM_CONTEXTMENU
, (WPARAM
)hWnd
, lParam
);
1027 SendMessageA(hWnd
, WM_CONTEXTMENU
, (WPARAM
)hWnd
, lParam
);
1032 case WM_CONTEXTMENU
:
1034 if (GetWindowLongW(hWnd
, GWL_STYLE
) & WS_CHILD
)
1038 SendMessageW(GetParent(hWnd
), Msg
, wParam
, lParam
);
1042 SendMessageA(GetParent(hWnd
), WM_CONTEXTMENU
, wParam
, lParam
);
1051 Style
= GetWindowLongW(hWnd
, GWL_STYLE
);
1053 Pt
.x
= SLOWORD(lParam
);
1054 Pt
.y
= SHIWORD(lParam
);
1055 if (Style
& WS_CHILD
)
1057 ScreenToClient(GetParent(hWnd
), &Pt
);
1060 HitCode
= DefWndNCHitTest(hWnd
, Pt
);
1062 if (HitCode
== HTCAPTION
|| HitCode
== HTSYSMENU
)
1065 UINT DefItem
= SC_CLOSE
;
1067 if((SystemMenu
= GetSystemMenu(hWnd
, FALSE
)))
1069 if(HitCode
== HTCAPTION
)
1070 DefItem
= ((Style
& (WS_MAXIMIZE
| WS_MINIMIZE
)) ?
1071 SC_RESTORE
: SC_MAXIMIZE
);
1073 SetMenuDefaultItem(SystemMenu
, DefItem
, MF_BYCOMMAND
);
1075 TrackPopupMenu(SystemMenu
,
1076 TPM_LEFTBUTTON
| TPM_RIGHTBUTTON
,
1077 Pt
.x
, Pt
.y
, 0, hWnd
, NULL
);
1086 /* FIXME: Implement. */
1094 HDC hDC
= BeginPaint(hWnd
, &Ps
);
1098 if (GetWindowLongW(hWnd
, GWL_STYLE
) & WS_MINIMIZE
&&
1099 (hIcon
= (HICON
)GetClassLongW(hWnd
, GCL_HICON
)) != NULL
)
1103 GetClientRect(hWnd
, &ClientRect
);
1104 x
= (ClientRect
.right
- ClientRect
.left
-
1105 GetSystemMetrics(SM_CXICON
)) / 2;
1106 y
= (ClientRect
.bottom
- ClientRect
.top
-
1107 GetSystemMetrics(SM_CYICON
)) / 2;
1108 DrawIcon(hDC
, x
, y
, hIcon
);
1110 EndPaint(hWnd
, &Ps
);
1118 hRgn
= CreateRectRgn(0, 0, 0, 0);
1119 if (GetUpdateRgn(hWnd
, hRgn
, FALSE
) != NULLREGION
)
1121 RedrawWindow(hWnd
, NULL
, hRgn
,
1122 RDW_ERASENOW
| RDW_ERASE
| RDW_FRAME
|
1131 DefWndSetRedraw(hWnd
, wParam
);
1137 DestroyWindow(hWnd
);
1141 case WM_MOUSEACTIVATE
:
1143 if (GetWindowLongW(hWnd
, GWL_STYLE
) & WS_CHILD
)
1148 Ret
= SendMessageW(GetParent(hWnd
), WM_MOUSEACTIVATE
,
1153 Ret
= SendMessageA(GetParent(hWnd
), WM_MOUSEACTIVATE
,
1161 return ((LOWORD(lParam
) >= HTCLIENT
) ? MA_ACTIVATE
: MA_NOACTIVATE
);
1166 /* Check if the window is minimized. */
1167 if (LOWORD(wParam
) != WA_INACTIVE
&&
1168 !(GetWindowLongW(hWnd
, GWL_STYLE
) & WS_MINIMIZE
))
1177 if (GetWindowLongW(hWnd
, GWL_STYLE
) & WS_CHILD
)
1181 return (SendMessageW(GetParent(hWnd
), WM_MOUSEWHEEL
,
1186 return (SendMessageA(GetParent(hWnd
), WM_MOUSEWHEEL
,
1194 case WM_ICONERASEBKGND
:
1197 HBRUSH hBrush
= (HBRUSH
)GetClassLongW(hWnd
, GCL_HBRBACKGROUND
);
1203 if (GetClassLongW(hWnd
, GCL_STYLE
) & CS_PARENTDC
)
1205 /* can't use GetClipBox with a parent DC or we fill the whole parent */
1206 GetClientRect(hWnd
, &Rect
);
1207 DPtoLP((HDC
)wParam
, (LPPOINT
)&Rect
, 2);
1211 GetClipBox((HDC
)wParam
, &Rect
);
1213 FillRect((HDC
)wParam
, &Rect
, hBrush
);
1217 case WM_CTLCOLORMSGBOX
:
1218 case WM_CTLCOLOREDIT
:
1219 case WM_CTLCOLORLISTBOX
:
1220 case WM_CTLCOLORBTN
:
1221 case WM_CTLCOLORDLG
:
1222 case WM_CTLCOLORSTATIC
:
1223 case WM_CTLCOLORSCROLLBAR
:
1224 return (LRESULT
) DefWndControlColor((HDC
)wParam
, Msg
- WM_CTLCOLORMSGBOX
);
1228 ULONG Style
= GetWindowLongW(hWnd
, GWL_STYLE
);
1230 if (Style
& WS_CHILD
)
1232 if (LOWORD(lParam
) < HTLEFT
|| LOWORD(lParam
) > HTBOTTOMRIGHT
)
1237 bResult
= SendMessageW(GetParent(hWnd
), WM_SETCURSOR
,
1242 bResult
= SendMessageA(GetParent(hWnd
), WM_SETCURSOR
,
1251 return (DefWndHandleSetCursor(hWnd
, wParam
, lParam
, Style
));
1257 Pt
.x
= SLOWORD(lParam
);
1258 Pt
.y
= SHIWORD(lParam
);
1259 return (DefWndHandleSysCommand(hWnd
, wParam
, Pt
));
1262 /* FIXME: Handle key messages. */
1270 /* FIXME: This is also incomplete. */
1273 if (HIWORD(lParam
) & KEYDATA_ALT
)
1275 if (wParam
== VK_F4
) /* Try to close the window */
1277 HWND top
= GetAncestor(hWnd
, GA_ROOT
);
1278 if (!(GetClassLongW(top
, GCL_STYLE
) & CS_NOCLOSE
))
1281 PostMessageW(top
, WM_SYSCOMMAND
, SC_CLOSE
, 0);
1283 PostMessageA(top
, WM_SYSCOMMAND
, SC_CLOSE
, 0);
1286 else if (wParam
== VK_SNAPSHOT
)
1288 DefWndScreenshot(hWnd
);
1300 Style
= GetWindowLongW(hWnd
, GWL_STYLE
);
1301 if (!(Style
& WS_POPUP
))
1303 if ((Style
& WS_VISIBLE
) && wParam
)
1305 if (!(Style
& WS_VISIBLE
) && !wParam
)
1307 if (!GetWindow(hWnd
, GW_OWNER
))
1309 ShowWindow(hWnd
, wParam
? SW_SHOWNA
: SW_HIDE
);
1315 /* FIXME: Check for a desktop. */
1316 if (GetCapture() == hWnd
)
1331 case WM_QUERYDROPOBJECT
:
1333 if (GetWindowLongW(hWnd
, GWL_EXSTYLE
) & WS_EX_ACCEPTFILES
)
1340 case WM_QUERYDRAGICON
:
1345 hIcon
= (HICON
)GetClassLongW(hWnd
, GCL_HICON
);
1348 return ((LRESULT
)hIcon
);
1350 for (Len
= 1; Len
< 64; Len
++)
1352 if ((hIcon
= LoadIconW(NULL
, MAKEINTRESOURCEW(Len
))) != NULL
)
1354 return((LRESULT
)hIcon
);
1357 return ((LRESULT
)LoadIconW(0, IDI_APPLICATION
));
1360 /* FIXME: WM_ISACTIVEICON */
1362 case WM_NOTIFYFORMAT
:
1364 if (IsWindowUnicode(hWnd
))
1366 return(NFR_UNICODE
);
1376 INT Index
= (wParam
!= 0) ? GCL_HICON
: GCL_HICONSM
;
1377 HICON hOldIcon
= (HICON
)GetClassLongW(hWnd
, Index
);
1378 SetClassLongW(hWnd
, Index
, lParam
);
1379 SetWindowPos(hWnd
, 0, 0, 0, 0, 0,
1380 SWP_FRAMECHANGED
| SWP_NOSIZE
| SWP_NOMOVE
|
1381 SWP_NOACTIVATE
| SWP_NOZORDER
);
1382 return ((LRESULT
)hOldIcon
);
1387 INT Index
= (wParam
!= 0) ? GCL_HICON
: GCL_HICONSM
;
1388 return (GetClassLongW(hWnd
, Index
));
1395 SendMessageW(GetParent(hWnd
), Msg
, wParam
, lParam
);
1399 SendMessageA(GetParent(hWnd
), Msg
, wParam
, lParam
);
1406 THRDCARETINFO CaretInfo
;
1409 case 0xffff: /* Caret timer */
1410 /* switch showing byte in win32k and get information about the caret */
1411 if(NtUserSwitchCaretShowing(&CaretInfo
) && (CaretInfo
.hWnd
== hWnd
))
1413 DrawCaret(hWnd
, &CaretInfo
);
1421 case WM_QUERYENDSESSION
:
1431 DefWindowProcA(HWND hWnd
,
1443 case WM_GETTEXTLENGTH
:
1445 return InternalGetWindowText(hWnd
, NULL
, 0);
1450 UNICODE_STRING UnicodeString
;
1451 LPSTR AnsiBuffer
= (LPSTR
)lParam
;
1456 *((PWSTR
)lParam
) = '\0';
1458 UnicodeString
.Length
= UnicodeString
.MaximumLength
=
1459 wParam
* sizeof(WCHAR
);
1460 UnicodeString
.Buffer
= HeapAlloc(GetProcessHeap(), 0,
1461 UnicodeString
.Length
);
1462 if (!UnicodeString
.Buffer
)
1464 Result
= InternalGetWindowText(hWnd
, UnicodeString
.Buffer
, wParam
);
1466 !WideCharToMultiByte(CP_ACP
, 0, UnicodeString
.Buffer
, -1,
1467 AnsiBuffer
, wParam
, NULL
, NULL
))
1469 AnsiBuffer
[wParam
- 1] = 0;
1471 HeapFree(GetProcessHeap(), 0, UnicodeString
.Buffer
);
1478 ANSI_STRING AnsiString
;
1479 RtlInitAnsiString(&AnsiString
, (LPSTR
)lParam
);
1480 NtUserDefSetText(hWnd
, &AnsiString
);
1481 if ((GetWindowLongW(hWnd
, GWL_STYLE
) & WS_CAPTION
) == WS_CAPTION
)
1483 DefWndNCPaint(hWnd
, (HRGN
)1);
1489 FIXME: Implement these.
1491 case WM_IME_KEYDOWN:
1493 case WM_IME_STARTCOMPOSITION:
1494 case WM_IME_COMPOSITION:
1495 case WM_IME_ENDCOMPOSITION:
1497 case WM_IME_SETCONTEXT:
1501 return User32DefWindowProc(hWnd
, Msg
, wParam
, lParam
, FALSE
);
1506 DefWindowProcW(HWND hWnd
,
1518 case WM_GETTEXTLENGTH
:
1520 return InternalGetWindowText(hWnd
, NULL
, 0);
1528 *((PWSTR
)lParam
) = '\0';
1530 Result
= InternalGetWindowText(hWnd
, (PWSTR
)lParam
, wParam
);
1536 UNICODE_STRING UnicodeString
;
1537 ANSI_STRING AnsiString
;
1539 RtlInitUnicodeString(&UnicodeString
, (LPWSTR
)lParam
);
1540 RtlUnicodeStringToAnsiString(&AnsiString
, &UnicodeString
, TRUE
);
1541 NtUserDefSetText(hWnd
, &AnsiString
);
1542 RtlFreeAnsiString(&AnsiString
);
1543 if ((GetWindowLongW(hWnd
, GWL_STYLE
) & WS_CAPTION
) == WS_CAPTION
)
1545 DefWndNCPaint(hWnd
, (HRGN
)1);
1552 SendMessageW(hWnd
, WM_CHAR
, wParam
, lParam
);
1556 case WM_IME_SETCONTEXT
:
1563 return User32DefWindowProc(hWnd
, Msg
, wParam
, lParam
, TRUE
);