1 /* File: button.c -- Button type widgets
3 * Copyright (C) 1993 Johannes Ruscheinski
4 * Copyright (C) 1993 David Metcalfe
5 * Copyright (C) 1994 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include "wine/winuser16.h"
33 /* GetWindowLong offsets for window extra information */
34 #define STATE_GWL_OFFSET 0
35 #define HFONT_GWL_OFFSET (sizeof(LONG))
36 #define HIMAGE_GWL_OFFSET (2*sizeof(LONG))
37 #define NB_EXTRA_BYTES (3*sizeof(LONG))
39 /* Button state values */
40 #define BUTTON_UNCHECKED 0x00
41 #define BUTTON_CHECKED 0x01
42 #define BUTTON_3STATE 0x02
43 #define BUTTON_HIGHLIGHTED 0x04
44 #define BUTTON_HASFOCUS 0x08
45 #define BUTTON_NSTATES 0x0F
46 /* undocumented flags */
47 #define BUTTON_BTNPRESSED 0x40
48 #define BUTTON_UNKNOWN2 0x20
49 #define BUTTON_UNKNOWN3 0x10
51 static UINT
BUTTON_CalcLabelRect( HWND hwnd
, HDC hdc
, RECT
*rc
);
52 static void PB_Paint( HWND hwnd
, HDC hDC
, UINT action
);
53 static void CB_Paint( HWND hwnd
, HDC hDC
, UINT action
);
54 static void GB_Paint( HWND hwnd
, HDC hDC
, UINT action
);
55 static void UB_Paint( HWND hwnd
, HDC hDC
, UINT action
);
56 static void OB_Paint( HWND hwnd
, HDC hDC
, UINT action
);
57 static void BUTTON_CheckAutoRadioButton( HWND hwnd
);
58 static LRESULT WINAPI
ButtonWndProcA( HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
59 static LRESULT WINAPI
ButtonWndProcW( HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
);
61 #define MAX_BTN_TYPE 12
63 static const WORD maxCheckState
[MAX_BTN_TYPE
] =
65 BUTTON_UNCHECKED
, /* BS_PUSHBUTTON */
66 BUTTON_UNCHECKED
, /* BS_DEFPUSHBUTTON */
67 BUTTON_CHECKED
, /* BS_CHECKBOX */
68 BUTTON_CHECKED
, /* BS_AUTOCHECKBOX */
69 BUTTON_CHECKED
, /* BS_RADIOBUTTON */
70 BUTTON_3STATE
, /* BS_3STATE */
71 BUTTON_3STATE
, /* BS_AUTO3STATE */
72 BUTTON_UNCHECKED
, /* BS_GROUPBOX */
73 BUTTON_UNCHECKED
, /* BS_USERBUTTON */
74 BUTTON_CHECKED
, /* BS_AUTORADIOBUTTON */
75 BUTTON_UNCHECKED
, /* Not defined */
76 BUTTON_UNCHECKED
/* BS_OWNERDRAW */
79 typedef void (*pfPaint
)( HWND hwnd
, HDC hdc
, UINT action
);
81 static const pfPaint btnPaintFunc
[MAX_BTN_TYPE
] =
83 PB_Paint
, /* BS_PUSHBUTTON */
84 PB_Paint
, /* BS_DEFPUSHBUTTON */
85 CB_Paint
, /* BS_CHECKBOX */
86 CB_Paint
, /* BS_AUTOCHECKBOX */
87 CB_Paint
, /* BS_RADIOBUTTON */
88 CB_Paint
, /* BS_3STATE */
89 CB_Paint
, /* BS_AUTO3STATE */
90 GB_Paint
, /* BS_GROUPBOX */
91 UB_Paint
, /* BS_USERBUTTON */
92 CB_Paint
, /* BS_AUTORADIOBUTTON */
93 NULL
, /* Not defined */
94 OB_Paint
/* BS_OWNERDRAW */
97 static HBITMAP hbitmapCheckBoxes
= 0;
98 static WORD checkBoxWidth
= 0, checkBoxHeight
= 0;
101 /*********************************************************************
102 * button class descriptor
104 const struct builtin_class_descr BUTTON_builtin_class
=
107 CS_DBLCLKS
| CS_VREDRAW
| CS_HREDRAW
| CS_PARENTDC
, /* style */
108 ButtonWndProcA
, /* procA */
109 ButtonWndProcW
, /* procW */
110 NB_EXTRA_BYTES
, /* extra */
111 IDC_ARROW
, /* cursor */
116 inline static LONG
get_button_state( HWND hwnd
)
118 return GetWindowLongA( hwnd
, STATE_GWL_OFFSET
);
121 inline static void set_button_state( HWND hwnd
, LONG state
)
123 SetWindowLongA( hwnd
, STATE_GWL_OFFSET
, state
);
126 inline static HFONT
get_button_font( HWND hwnd
)
128 return (HFONT
)GetWindowLongA( hwnd
, HFONT_GWL_OFFSET
);
131 inline static void set_button_font( HWND hwnd
, HFONT font
)
133 SetWindowLongA( hwnd
, HFONT_GWL_OFFSET
, (LONG
)font
);
136 inline static UINT
get_button_type( LONG window_style
)
138 return (window_style
& 0x0f);
141 /* paint a button of any type */
142 inline static void paint_button( HWND hwnd
, LONG style
, UINT action
)
144 if (btnPaintFunc
[style
] && IsWindowVisible(hwnd
))
146 HDC hdc
= GetDC( hwnd
);
147 btnPaintFunc
[style
]( hwnd
, hdc
, action
);
148 ReleaseDC( hwnd
, hdc
);
152 /* retrieve the button text; returned buffer must be freed by caller */
153 inline static WCHAR
*get_button_text( HWND hwnd
)
156 WCHAR
*buffer
= HeapAlloc( GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
) );
157 if (buffer
) InternalGetWindowText( hwnd
, buffer
, len
+ 1 );
161 /***********************************************************************
162 * ButtonWndProc_common
164 static LRESULT WINAPI
ButtonWndProc_common(HWND hWnd
, UINT uMsg
,
165 WPARAM wParam
, LPARAM lParam
, BOOL unicode
)
169 LONG style
= GetWindowLongA( hWnd
, GWL_STYLE
);
170 UINT btn_type
= get_button_type( style
);
174 pt
.x
= LOWORD(lParam
);
175 pt
.y
= HIWORD(lParam
);
182 case BS_PUSHBUTTON
: return DLGC_BUTTON
| DLGC_UNDEFPUSHBUTTON
;
183 case BS_DEFPUSHBUTTON
: return DLGC_BUTTON
| DLGC_DEFPUSHBUTTON
;
185 case BS_AUTORADIOBUTTON
: return DLGC_BUTTON
| DLGC_RADIOBUTTON
;
186 default: return DLGC_BUTTON
;
190 paint_button( hWnd
, btn_type
, ODA_DRAWENTIRE
);
194 if (!hbitmapCheckBoxes
)
197 hbitmapCheckBoxes
= LoadBitmapW(0, MAKEINTRESOURCEW(OBM_CHECKBOXES
));
198 GetObjectW( hbitmapCheckBoxes
, sizeof(bmp
), &bmp
);
199 checkBoxWidth
= bmp
.bmWidth
/ 4;
200 checkBoxHeight
= bmp
.bmHeight
/ 3;
202 if (btn_type
>= MAX_BTN_TYPE
)
203 return -1; /* abort */
204 set_button_state( hWnd
, BUTTON_UNCHECKED
);
208 if (btn_type
== BS_OWNERDRAW
)
210 HDC hdc
= (HDC
)wParam
;
213 HWND parent
= GetParent(hWnd
);
214 if (!parent
) parent
= hWnd
;
215 hBrush
= (HBRUSH
)SendMessageW(parent
, WM_CTLCOLORBTN
, (WPARAM
)hdc
, (LPARAM
)hWnd
);
216 if (!hBrush
) /* did the app forget to call defwindowproc ? */
217 hBrush
= (HBRUSH
)DefWindowProcW(parent
, WM_CTLCOLORBTN
,
218 (WPARAM
)hdc
, (LPARAM
)hWnd
);
219 GetClientRect(hWnd
, &rc
);
220 FillRect(hdc
, &rc
, hBrush
);
225 if (btnPaintFunc
[btn_type
])
228 HDC hdc
= wParam
? (HDC
)wParam
: BeginPaint( hWnd
, &ps
);
229 int nOldMode
= SetBkMode( hdc
, OPAQUE
);
230 (btnPaintFunc
[btn_type
])( hWnd
, hdc
, ODA_DRAWENTIRE
);
231 SetBkMode(hdc
, nOldMode
); /* reset painting mode */
232 if( !wParam
) EndPaint( hWnd
, &ps
);
237 if (wParam
== VK_SPACE
)
239 SendMessageW( hWnd
, BM_SETSTATE
, TRUE
, 0 );
240 set_button_state( hWnd
, get_button_state( hWnd
) | BUTTON_BTNPRESSED
);
244 case WM_LBUTTONDBLCLK
:
245 if(style
& BS_NOTIFY
||
246 btn_type
== BS_RADIOBUTTON
||
247 btn_type
== BS_USERBUTTON
||
248 btn_type
== BS_OWNERDRAW
)
250 SendMessageW( GetParent(hWnd
), WM_COMMAND
,
251 MAKEWPARAM( GetWindowLongA(hWnd
,GWL_ID
), BN_DOUBLECLICKED
),
259 SendMessageW( hWnd
, BM_SETSTATE
, TRUE
, 0 );
260 set_button_state( hWnd
, get_button_state( hWnd
) | BUTTON_BTNPRESSED
);
264 if (wParam
!= VK_SPACE
)
268 state
= get_button_state( hWnd
);
269 if (!(state
& BUTTON_BTNPRESSED
)) break;
270 state
&= BUTTON_NSTATES
;
271 set_button_state( hWnd
, state
);
272 if (!(state
& BUTTON_HIGHLIGHTED
))
277 SendMessageW( hWnd
, BM_SETSTATE
, FALSE
, 0 );
279 GetClientRect( hWnd
, &rect
);
280 if (uMsg
== WM_KEYUP
|| PtInRect( &rect
, pt
))
282 state
= get_button_state( hWnd
);
285 case BS_AUTOCHECKBOX
:
286 SendMessageW( hWnd
, BM_SETCHECK
, !(state
& BUTTON_CHECKED
), 0 );
288 case BS_AUTORADIOBUTTON
:
289 SendMessageW( hWnd
, BM_SETCHECK
, TRUE
, 0 );
292 SendMessageW( hWnd
, BM_SETCHECK
,
293 (state
& BUTTON_3STATE
) ? 0 : ((state
& 3) + 1), 0 );
296 SendMessageW( GetParent(hWnd
), WM_COMMAND
,
297 MAKEWPARAM( GetWindowLongA(hWnd
,GWL_ID
), BN_CLICKED
), (LPARAM
)hWnd
);
301 case WM_CAPTURECHANGED
:
302 state
= get_button_state( hWnd
);
303 if (state
& BUTTON_BTNPRESSED
)
305 state
&= BUTTON_NSTATES
;
306 set_button_state( hWnd
, state
);
307 if (state
& BUTTON_HIGHLIGHTED
) SendMessageW( hWnd
, BM_SETSTATE
, FALSE
, 0 );
312 if ((wParam
& MK_LBUTTON
) && GetCapture() == hWnd
)
314 GetClientRect( hWnd
, &rect
);
315 SendMessageW( hWnd
, BM_SETSTATE
, PtInRect(&rect
, pt
), 0 );
321 /* Clear an old text here as Windows does */
322 HDC hdc
= GetDC(hWnd
);
325 HWND parent
= GetParent(hWnd
);
327 if (!parent
) parent
= hWnd
;
328 hbrush
= (HBRUSH
)SendMessageW(parent
, WM_CTLCOLORSTATIC
,
329 (WPARAM
)hdc
, (LPARAM
)hWnd
);
330 if (!hbrush
) /* did the app forget to call DefWindowProc ? */
331 hbrush
= (HBRUSH
)DefWindowProcW(parent
, WM_CTLCOLORSTATIC
,
332 (WPARAM
)hdc
, (LPARAM
)hWnd
);
334 GetClientRect(hWnd
, &client
);
336 BUTTON_CalcLabelRect(hWnd
, hdc
, &rc
);
337 /* Clip by client rect bounds */
338 if (rc
.right
> client
.right
) rc
.right
= client
.right
;
339 if (rc
.bottom
> client
.bottom
) rc
.bottom
= client
.bottom
;
340 FillRect(hdc
, &rc
, hbrush
);
341 ReleaseDC(hWnd
, hdc
);
343 if (unicode
) DefWindowProcW( hWnd
, WM_SETTEXT
, wParam
, lParam
);
344 else DefWindowProcA( hWnd
, WM_SETTEXT
, wParam
, lParam
);
345 if (btn_type
== BS_GROUPBOX
) /* Yes, only for BS_GROUPBOX */
346 InvalidateRect( hWnd
, NULL
, TRUE
);
348 paint_button( hWnd
, btn_type
, ODA_DRAWENTIRE
);
349 return 1; /* success. FIXME: check text length */
353 set_button_font( hWnd
, (HFONT
)wParam
);
354 if (lParam
) paint_button( hWnd
, btn_type
, ODA_DRAWENTIRE
);
358 return (LRESULT
)get_button_font( hWnd
);
361 set_button_state( hWnd
, get_button_state(hWnd
) | BUTTON_HASFOCUS
);
362 paint_button( hWnd
, btn_type
, ODA_FOCUS
);
366 set_button_state( hWnd
, get_button_state(hWnd
) & ~BUTTON_HASFOCUS
);
367 paint_button( hWnd
, btn_type
, ODA_FOCUS
);
370 case WM_SYSCOLORCHANGE
:
371 InvalidateRect( hWnd
, NULL
, FALSE
);
376 if ((wParam
& 0x0f) >= MAX_BTN_TYPE
) break;
377 btn_type
= wParam
& 0x0f;
378 style
= (style
& ~0x0f) | btn_type
;
379 SetWindowLongA( hWnd
, GWL_STYLE
, style
);
381 /* Only redraw if lParam flag is set.*/
383 paint_button( hWnd
, btn_type
, ODA_DRAWENTIRE
);
388 SendMessageW( hWnd
, WM_LBUTTONDOWN
, 0, 0 );
389 SendMessageW( hWnd
, WM_LBUTTONUP
, 0, 0 );
393 /* Check that image format matches button style */
394 switch (style
& (BS_BITMAP
|BS_ICON
))
397 if (wParam
!= IMAGE_BITMAP
) return 0;
400 if (wParam
!= IMAGE_ICON
) return 0;
405 oldHbitmap
= (HBITMAP
)SetWindowLongA( hWnd
, HIMAGE_GWL_OFFSET
, lParam
);
406 InvalidateRect( hWnd
, NULL
, FALSE
);
407 return (LRESULT
)oldHbitmap
;
410 return GetWindowLongA( hWnd
, HIMAGE_GWL_OFFSET
);
414 return get_button_state( hWnd
) & 3;
418 if (wParam
> maxCheckState
[btn_type
]) wParam
= maxCheckState
[btn_type
];
419 state
= get_button_state( hWnd
);
420 if ((btn_type
== BS_RADIOBUTTON
) || (btn_type
== BS_AUTORADIOBUTTON
))
422 if (wParam
) style
|= WS_TABSTOP
;
423 else style
&= ~WS_TABSTOP
;
424 SetWindowLongA( hWnd
, GWL_STYLE
, style
);
426 if ((state
& 3) != wParam
)
428 set_button_state( hWnd
, (state
& ~3) | wParam
);
429 paint_button( hWnd
, btn_type
, ODA_SELECT
);
431 if ((btn_type
== BS_AUTORADIOBUTTON
) && (wParam
== BUTTON_CHECKED
) && (style
& WS_CHILD
))
432 BUTTON_CheckAutoRadioButton( hWnd
);
437 return get_button_state( hWnd
);
441 state
= get_button_state( hWnd
);
444 if (state
& BUTTON_HIGHLIGHTED
) break;
445 set_button_state( hWnd
, state
| BUTTON_HIGHLIGHTED
);
449 if (!(state
& BUTTON_HIGHLIGHTED
)) break;
450 set_button_state( hWnd
, state
& ~BUTTON_HIGHLIGHTED
);
452 paint_button( hWnd
, btn_type
, ODA_SELECT
);
456 if(btn_type
== BS_GROUPBOX
) return HTTRANSPARENT
;
459 return unicode
? DefWindowProcW(hWnd
, uMsg
, wParam
, lParam
) :
460 DefWindowProcA(hWnd
, uMsg
, wParam
, lParam
);
465 /***********************************************************************
467 * The button window procedure. This is just a wrapper which locks
468 * the passed HWND and calls the real window procedure (with a WND*
469 * pointer pointing to the locked windowstructure).
471 static LRESULT WINAPI
ButtonWndProcW( HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
473 if (!IsWindow( hWnd
)) return 0;
474 return ButtonWndProc_common( hWnd
, uMsg
, wParam
, lParam
, TRUE
);
478 /***********************************************************************
481 static LRESULT WINAPI
ButtonWndProcA( HWND hWnd
, UINT uMsg
, WPARAM wParam
, LPARAM lParam
)
483 if (!IsWindow( hWnd
)) return 0;
484 return ButtonWndProc_common( hWnd
, uMsg
, wParam
, lParam
, FALSE
);
488 /**********************************************************************
489 * Convert button styles to flags used by DrawText.
490 * TODO: handle WS_EX_RIGHT extended style.
492 static UINT
BUTTON_BStoDT(DWORD style
)
494 UINT dtStyle
= DT_NOCLIP
; /* We use SelectClipRgn to limit output */
496 /* "Convert" pushlike buttons to pushbuttons */
497 if (style
& BS_PUSHLIKE
)
500 if (!(style
& BS_MULTILINE
))
501 dtStyle
|= DT_SINGLELINE
;
503 dtStyle
|= DT_WORDBREAK
;
505 switch (style
& BS_CENTER
)
507 case BS_LEFT
: /* DT_LEFT is 0 */ break;
508 case BS_RIGHT
: dtStyle
|= DT_RIGHT
; break;
509 case BS_CENTER
: dtStyle
|= DT_CENTER
; break;
511 /* Pushbutton's text is centered by default */
512 if (get_button_type(style
) <= BS_DEFPUSHBUTTON
) dtStyle
|= DT_CENTER
;
513 /* all other flavours have left aligned text */
516 /* DrawText ignores vertical alignment for multiline text,
517 * but we use these flags to align label manualy.
519 if (get_button_type(style
) != BS_GROUPBOX
)
521 switch (style
& BS_VCENTER
)
523 case BS_TOP
: /* DT_TOP is 0 */ break;
524 case BS_BOTTOM
: dtStyle
|= DT_BOTTOM
; break;
525 case BS_VCENTER
: /* fall through */
526 default: dtStyle
|= DT_VCENTER
; break;
530 /* GroupBox's text is always single line and is top aligned. */
531 dtStyle
|= DT_SINGLELINE
;
536 /**********************************************************************
537 * BUTTON_CalcLabelRect
539 * Calculates label's rectangle depending on button style.
541 * Returns flags to be passed to DrawText.
542 * Calculated rectangle doesn't take into account button state
543 * (pushed, etc.). If there is nothing to draw (no text/image) output
544 * rectangle is empty, and return value is (UINT)-1.
546 static UINT
BUTTON_CalcLabelRect(HWND hwnd
, HDC hdc
, RECT
*rc
)
548 LONG style
= GetWindowLongA( hwnd
, GWL_STYLE
);
552 UINT dtStyle
= BUTTON_BStoDT(style
);
556 /* Calculate label rectangle according to label type */
557 switch (style
& (BS_ICON
|BS_BITMAP
))
560 if (!(text
= get_button_text( hwnd
))) goto empty_rect
;
563 HeapFree( GetProcessHeap(), 0, text
);
566 DrawTextW(hdc
, text
, -1, &r
, dtStyle
| DT_CALCRECT
);
567 HeapFree( GetProcessHeap(), 0, text
);
571 if (!GetIconInfo((HICON
)GetWindowLongA( hwnd
, HIMAGE_GWL_OFFSET
), &iconInfo
))
574 GetObjectW (iconInfo
.hbmColor
, sizeof(BITMAP
), &bm
);
576 r
.right
= r
.left
+ bm
.bmWidth
;
577 r
.bottom
= r
.top
+ bm
.bmHeight
;
579 DeleteObject(iconInfo
.hbmColor
);
580 DeleteObject(iconInfo
.hbmMask
);
584 if (!GetObjectW( (HANDLE
)GetWindowLongA( hwnd
, HIMAGE_GWL_OFFSET
), sizeof(BITMAP
), &bm
))
587 r
.right
= r
.left
+ bm
.bmWidth
;
588 r
.bottom
= r
.top
+ bm
.bmHeight
;
595 return (UINT
)(LONG
)-1;
598 /* Position label inside bounding rectangle according to
599 * alignment flags. (calculated rect is always left-top aligned).
600 * If label is aligned to any side - shift label in opposite
601 * direction to leave extra space for focus rectangle.
603 switch (dtStyle
& (DT_CENTER
|DT_RIGHT
))
605 case DT_LEFT
: r
.left
++; r
.right
++; break;
606 case DT_CENTER
: n
= r
.right
- r
.left
;
607 r
.left
= rc
->left
+ ((rc
->right
- rc
->left
) - n
) / 2;
608 r
.right
= r
.left
+ n
; break;
609 case DT_RIGHT
: n
= r
.right
- r
.left
;
610 r
.right
= rc
->right
- 1;
611 r
.left
= r
.right
- n
;
615 switch (dtStyle
& (DT_VCENTER
|DT_BOTTOM
))
617 case DT_TOP
: r
.top
++; r
.bottom
++; break;
618 case DT_VCENTER
: n
= r
.bottom
- r
.top
;
619 r
.top
= rc
->top
+ ((rc
->bottom
- rc
->top
) - n
) / 2;
620 r
.bottom
= r
.top
+ n
; break;
621 case DT_BOTTOM
: n
= r
.bottom
- r
.top
;
622 r
.bottom
= rc
->bottom
- 1;
623 r
.top
= r
.bottom
- n
;
632 /**********************************************************************
633 * BUTTON_DrawTextCallback
635 * Callback function used by DrawStateW function.
637 static BOOL CALLBACK
BUTTON_DrawTextCallback(HDC hdc
, LPARAM lp
, WPARAM wp
, int cx
, int cy
)
645 DrawTextW(hdc
, (LPCWSTR
)lp
, -1, &rc
, (UINT
)wp
);
650 /**********************************************************************
653 * Common function for drawing button label.
655 static void BUTTON_DrawLabel(HWND hwnd
, HDC hdc
, UINT dtFlags
, RECT
*rc
)
657 DRAWSTATEPROC lpOutputProc
= NULL
;
661 UINT flags
= IsWindowEnabled(hwnd
) ? DSS_NORMAL
: DSS_DISABLED
;
662 LONG state
= get_button_state( hwnd
);
663 LONG style
= GetWindowLongA( hwnd
, GWL_STYLE
);
666 /* FIXME: To draw disabled label in Win31 look-and-feel, we probably
667 * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION).
668 * I don't have Win31 on hand to verify that, so I leave it as is.
671 if ((style
& BS_PUSHLIKE
) && (state
& BUTTON_3STATE
))
673 hbr
= GetSysColorBrush(COLOR_GRAYTEXT
);
677 switch (style
& (BS_ICON
|BS_BITMAP
))
680 /* DST_COMPLEX -- is 0 */
681 lpOutputProc
= BUTTON_DrawTextCallback
;
682 if (!(text
= get_button_text( hwnd
))) return;
684 wp
= (WPARAM
)dtFlags
;
689 lp
= GetWindowLongA( hwnd
, HIMAGE_GWL_OFFSET
);
694 lp
= GetWindowLongA( hwnd
, HIMAGE_GWL_OFFSET
);
701 DrawStateW(hdc
, hbr
, lpOutputProc
, lp
, wp
, rc
->left
, rc
->top
,
702 rc
->right
- rc
->left
, rc
->bottom
- rc
->top
, flags
);
703 if (text
) HeapFree( GetProcessHeap(), 0, text
);
706 /**********************************************************************
707 * Push Button Functions
709 static void PB_Paint( HWND hwnd
, HDC hDC
, UINT action
)
711 RECT rc
, focus_rect
, r
;
712 UINT dtFlags
, uState
;
717 COLORREF oldTxtColor
;
719 LONG state
= get_button_state( hwnd
);
720 LONG style
= GetWindowLongA( hwnd
, GWL_STYLE
);
721 BOOL pushedState
= (state
& BUTTON_HIGHLIGHTED
);
724 GetClientRect( hwnd
, &rc
);
726 /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
727 if ((hFont
= get_button_font( hwnd
))) SelectObject( hDC
, hFont
);
728 parent
= GetParent(hwnd
);
729 if (!parent
) parent
= hwnd
;
730 SendMessageW( parent
, WM_CTLCOLORBTN
, (WPARAM
)hDC
, (LPARAM
)hwnd
);
731 hOldPen
= (HPEN
)SelectObject(hDC
, SYSCOLOR_GetPen(COLOR_WINDOWFRAME
));
732 hOldBrush
=(HBRUSH
)SelectObject(hDC
,GetSysColorBrush(COLOR_BTNFACE
));
733 oldBkMode
= SetBkMode(hDC
, TRANSPARENT
);
735 if (get_button_type(style
) == BS_DEFPUSHBUTTON
)
737 Rectangle(hDC
, rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
738 InflateRect( &rc
, -1, -1 );
741 uState
= DFCS_BUTTONPUSH
| DFCS_ADJUSTRECT
;
745 else if (pushedState
)
747 if (get_button_type(style
) == BS_DEFPUSHBUTTON
)
750 uState
|= DFCS_PUSHED
;
753 if (state
& (BUTTON_CHECKED
| BUTTON_3STATE
))
754 uState
|= DFCS_CHECKED
;
756 DrawFrameControl( hDC
, &rc
, DFC_BUTTON
, uState
);
760 /* draw button label */
762 dtFlags
= BUTTON_CalcLabelRect(hwnd
, hDC
, &r
);
764 if (dtFlags
== (UINT
)-1L)
768 OffsetRect(&r
, 1, 1);
770 hRgn
= CreateRectRgn(rc
.left
, rc
.top
, rc
.right
, rc
.bottom
);
771 SelectClipRgn(hDC
, hRgn
);
773 oldTxtColor
= SetTextColor( hDC
, GetSysColor(COLOR_BTNTEXT
) );
775 BUTTON_DrawLabel(hwnd
, hDC
, dtFlags
, &r
);
777 SetTextColor( hDC
, oldTxtColor
);
778 SelectClipRgn(hDC
, 0);
781 if (state
& BUTTON_HASFOCUS
)
783 InflateRect( &focus_rect
, -1, -1 );
784 IntersectRect(&focus_rect
, &focus_rect
, &rc
);
785 DrawFocusRect( hDC
, &focus_rect
);
789 SelectObject( hDC
, hOldPen
);
790 SelectObject( hDC
, hOldBrush
);
791 SetBkMode(hDC
, oldBkMode
);
794 /**********************************************************************
795 * Check Box & Radio Button Functions
798 static void CB_Paint( HWND hwnd
, HDC hDC
, UINT action
)
800 RECT rbox
, rtext
, client
;
806 LONG state
= get_button_state( hwnd
);
807 LONG style
= GetWindowLongA( hwnd
, GWL_STYLE
);
810 if (style
& BS_PUSHLIKE
)
812 PB_Paint( hwnd
, hDC
, action
);
816 GetClientRect(hwnd
, &client
);
817 rbox
= rtext
= client
;
819 if ((hFont
= get_button_font( hwnd
))) SelectObject( hDC
, hFont
);
821 parent
= GetParent(hwnd
);
822 if (!parent
) parent
= hwnd
;
823 hBrush
= (HBRUSH
)SendMessageW(parent
, WM_CTLCOLORSTATIC
,
824 (WPARAM
)hDC
, (LPARAM
)hwnd
);
825 if (!hBrush
) /* did the app forget to call defwindowproc ? */
826 hBrush
= (HBRUSH
)DefWindowProcW(parent
, WM_CTLCOLORSTATIC
,
827 (WPARAM
)hDC
, (LPARAM
)hwnd
);
829 if (style
& BS_LEFTTEXT
)
831 /* magic +4 is what CTL3D expects */
833 rtext
.right
-= checkBoxWidth
+ 4;
834 rbox
.left
= rbox
.right
- checkBoxWidth
;
838 rtext
.left
+= checkBoxWidth
+ 4;
839 rbox
.right
= checkBoxWidth
;
842 /* Since WM_ERASEBKGND does nothing, first prepare background */
843 if (action
== ODA_SELECT
) FillRect( hDC
, &rbox
, hBrush
);
844 if (action
== ODA_DRAWENTIRE
) FillRect( hDC
, &client
, hBrush
);
848 dtFlags
= BUTTON_CalcLabelRect(hwnd
, hDC
, &rtext
);
850 rbox
.top
= rtext
.top
;
851 rbox
.bottom
= rtext
.bottom
;
852 /* Draw the check-box bitmap */
853 if (action
== ODA_DRAWENTIRE
|| action
== ODA_SELECT
)
857 if ((get_button_type(style
) == BS_RADIOBUTTON
) ||
858 (get_button_type(style
) == BS_AUTORADIOBUTTON
)) flags
= DFCS_BUTTONRADIO
;
859 else if (state
& BUTTON_3STATE
) flags
= DFCS_BUTTON3STATE
;
860 else flags
= DFCS_BUTTONCHECK
;
862 if (state
& (BUTTON_CHECKED
| BUTTON_3STATE
)) flags
|= DFCS_CHECKED
;
863 if (state
& BUTTON_HIGHLIGHTED
) flags
|= DFCS_PUSHED
;
865 if (style
& WS_DISABLED
) flags
|= DFCS_INACTIVE
;
867 /* rbox must have the correct height */
868 delta
= rbox
.bottom
- rbox
.top
- checkBoxHeight
;
870 if (style
& BS_TOP
) {
872 rbox
.bottom
= rbox
.top
+ checkBoxHeight
;
874 rbox
.top
-= -delta
/2 + 1;
875 rbox
.bottom
+= rbox
.top
+ checkBoxHeight
;
877 } else if (style
& BS_BOTTOM
) {
879 rbox
.top
= rbox
.bottom
- checkBoxHeight
;
881 rbox
.bottom
+= -delta
/2 + 1;
882 rbox
.top
= rbox
.bottom
-= checkBoxHeight
;
884 } else { /* Default */
886 int ofs
= (delta
/ 2);
887 rbox
.bottom
-= ofs
+ 1;
888 rbox
.top
= rbox
.bottom
- checkBoxHeight
;
889 } else if (delta
< 0) {
890 int ofs
= (-delta
/ 2);
892 rbox
.bottom
= rbox
.top
+ checkBoxHeight
;
896 DrawFrameControl( hDC
, &rbox
, DFC_BUTTON
, flags
);
899 if (dtFlags
== (UINT
)-1L) /* Noting to draw */
901 hRgn
= CreateRectRgn(client
.left
, client
.top
, client
.right
, client
.bottom
);
902 SelectClipRgn(hDC
, hRgn
);
905 if (action
== ODA_DRAWENTIRE
)
906 BUTTON_DrawLabel(hwnd
, hDC
, dtFlags
, &rtext
);
909 if ((action
== ODA_FOCUS
) ||
910 ((action
== ODA_DRAWENTIRE
) && (state
& BUTTON_HASFOCUS
)))
914 IntersectRect(&rtext
, &rtext
, &client
);
915 DrawFocusRect( hDC
, &rtext
);
917 SelectClipRgn(hDC
, 0);
921 /**********************************************************************
922 * BUTTON_CheckAutoRadioButton
924 * hwnd is checked, uncheck every other auto radio button in group
926 static void BUTTON_CheckAutoRadioButton( HWND hwnd
)
928 HWND parent
, sibling
, start
;
930 parent
= GetParent(hwnd
);
931 /* make sure that starting control is not disabled or invisible */
932 start
= sibling
= GetNextDlgGroupItem( parent
, hwnd
, TRUE
);
936 if ((hwnd
!= sibling
) &&
937 ((GetWindowLongA( sibling
, GWL_STYLE
) & 0x0f) == BS_AUTORADIOBUTTON
))
938 SendMessageW( sibling
, BM_SETCHECK
, BUTTON_UNCHECKED
, 0 );
939 sibling
= GetNextDlgGroupItem( parent
, sibling
, FALSE
);
940 } while (sibling
!= start
);
944 /**********************************************************************
945 * Group Box Functions
948 static void GB_Paint( HWND hwnd
, HDC hDC
, UINT action
)
955 LONG style
= GetWindowLongA( hwnd
, GWL_STYLE
);
958 if ((hFont
= get_button_font( hwnd
))) SelectObject( hDC
, hFont
);
959 /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */
960 parent
= GetParent(hwnd
);
961 if (!parent
) parent
= hwnd
;
962 hbr
= (HBRUSH
)SendMessageW(parent
, WM_CTLCOLORSTATIC
, (WPARAM
)hDC
, (LPARAM
)hwnd
);
963 if (!hbr
) /* did the app forget to call defwindowproc ? */
964 hbr
= (HBRUSH
)DefWindowProcW(parent
, WM_CTLCOLORSTATIC
,
965 (WPARAM
)hDC
, (LPARAM
)hwnd
);
967 GetClientRect( hwnd
, &rc
);
970 GetTextMetricsW (hDC
, &tm
);
971 rcFrame
.top
+= (tm
.tmHeight
/ 2) - 1;
972 DrawEdge (hDC
, &rcFrame
, EDGE_ETCHED
, BF_RECT
| ((style
& BS_FLAT
) ? BF_FLAT
: 0));
974 InflateRect(&rc
, -7, 1);
975 dtFlags
= BUTTON_CalcLabelRect(hwnd
, hDC
, &rc
);
977 if (dtFlags
== (UINT
)-1L)
980 /* Because buttons have CS_PARENTDC class style, there is a chance
981 * that label will be drawn out of client rect.
982 * But Windows doesn't clip label's rect, so do I.
985 /* There is 1-pixel marging at the left, right, and bottom */
986 rc
.left
--; rc
.right
++; rc
.bottom
++;
987 FillRect(hDC
, &rc
, hbr
);
988 rc
.left
++; rc
.right
--; rc
.bottom
--;
990 BUTTON_DrawLabel(hwnd
, hDC
, dtFlags
, &rc
);
994 /**********************************************************************
995 * User Button Functions
998 static void UB_Paint( HWND hwnd
, HDC hDC
, UINT action
)
1003 LONG state
= get_button_state( hwnd
);
1006 if (action
== ODA_SELECT
) return;
1008 GetClientRect( hwnd
, &rc
);
1010 if ((hFont
= get_button_font( hwnd
))) SelectObject( hDC
, hFont
);
1012 parent
= GetParent(hwnd
);
1013 if (!parent
) parent
= hwnd
;
1014 hBrush
= (HBRUSH
)SendMessageW(parent
, WM_CTLCOLORBTN
, (WPARAM
)hDC
, (LPARAM
)hwnd
);
1015 if (!hBrush
) /* did the app forget to call defwindowproc ? */
1016 hBrush
= (HBRUSH
)DefWindowProcW(parent
, WM_CTLCOLORBTN
,
1017 (WPARAM
)hDC
, (LPARAM
)hwnd
);
1019 FillRect( hDC
, &rc
, hBrush
);
1020 if ((action
== ODA_FOCUS
) ||
1021 ((action
== ODA_DRAWENTIRE
) && (state
& BUTTON_HASFOCUS
)))
1022 DrawFocusRect( hDC
, &rc
);
1026 /**********************************************************************
1027 * Ownerdrawn Button Functions
1030 static void OB_Paint( HWND hwnd
, HDC hDC
, UINT action
)
1032 LONG state
= get_button_state( hwnd
);
1036 UINT id
= GetWindowLongA( hwnd
, GWL_ID
);
1039 dis
.CtlType
= ODT_BUTTON
;
1042 dis
.itemAction
= action
;
1043 dis
.itemState
= ((state
& BUTTON_HASFOCUS
) ? ODS_FOCUS
: 0) |
1044 ((state
& BUTTON_HIGHLIGHTED
) ? ODS_SELECTED
: 0) |
1045 (IsWindowEnabled(hwnd
) ? 0: ODS_DISABLED
);
1046 dis
.hwndItem
= hwnd
;
1049 GetClientRect( hwnd
, &dis
.rcItem
);
1051 clipRegion
= CreateRectRgnIndirect(&dis
.rcItem
);
1052 if (GetClipRgn(hDC
, clipRegion
) != 1)
1054 DeleteObject(clipRegion
);
1057 clipRect
= dis
.rcItem
;
1058 DPtoLP(hDC
, (LPPOINT
) &clipRect
, 2);
1059 IntersectClipRect(hDC
, clipRect
.left
, clipRect
.top
, clipRect
.right
, clipRect
.bottom
);
1061 parent
= GetParent(hwnd
);
1062 if (!parent
) parent
= hwnd
;
1063 SendMessageW( parent
, WM_CTLCOLORBTN
, (WPARAM
)hDC
, (LPARAM
)hwnd
);
1064 SendMessageW( GetParent(hwnd
), WM_DRAWITEM
, id
, (LPARAM
)&dis
);
1065 SelectClipRgn(hDC
, clipRegion
);