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
28 #include "wine/winuser16.h"
32 /* GetWindowLong offsets for window extra information */
33 #define STATE_GWL_OFFSET 0
34 #define HFONT_GWL_OFFSET (sizeof(LONG))
35 #define HIMAGE_GWL_OFFSET (2*sizeof(LONG))
36 #define NB_EXTRA_BYTES (3*sizeof(LONG))
38 /* Button state values */
39 #define BUTTON_UNCHECKED 0x00
40 #define BUTTON_CHECKED 0x01
41 #define BUTTON_3STATE 0x02
42 #define BUTTON_HIGHLIGHTED 0x04
43 #define BUTTON_HASFOCUS 0x08
44 #define BUTTON_NSTATES 0x0F
45 /* undocumented flags */
46 #define BUTTON_BTNPRESSED 0x40
47 #define BUTTON_UNKNOWN2 0x20
48 #define BUTTON_UNKNOWN3 0x10
50 static UINT BUTTON_CalcLabelRect( HWND hwnd, HDC hdc, RECT *rc );
51 static void PB_Paint( HWND hwnd, HDC hDC, UINT action );
52 static void CB_Paint( HWND hwnd, HDC hDC, UINT action );
53 static void GB_Paint( HWND hwnd, HDC hDC, UINT action );
54 static void UB_Paint( HWND hwnd, HDC hDC, UINT action );
55 static void OB_Paint( HWND hwnd, HDC hDC, UINT action );
56 static void BUTTON_CheckAutoRadioButton( HWND hwnd );
57 static LRESULT WINAPI ButtonWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
58 static LRESULT WINAPI ButtonWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
60 #define MAX_BTN_TYPE 12
62 static const WORD maxCheckState[MAX_BTN_TYPE] =
64 BUTTON_UNCHECKED, /* BS_PUSHBUTTON */
65 BUTTON_UNCHECKED, /* BS_DEFPUSHBUTTON */
66 BUTTON_CHECKED, /* BS_CHECKBOX */
67 BUTTON_CHECKED, /* BS_AUTOCHECKBOX */
68 BUTTON_CHECKED, /* BS_RADIOBUTTON */
69 BUTTON_3STATE, /* BS_3STATE */
70 BUTTON_3STATE, /* BS_AUTO3STATE */
71 BUTTON_UNCHECKED, /* BS_GROUPBOX */
72 BUTTON_UNCHECKED, /* BS_USERBUTTON */
73 BUTTON_CHECKED, /* BS_AUTORADIOBUTTON */
74 BUTTON_UNCHECKED, /* Not defined */
75 BUTTON_UNCHECKED /* BS_OWNERDRAW */
78 typedef void (*pfPaint)( HWND hwnd, HDC hdc, UINT action );
80 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
82 PB_Paint, /* BS_PUSHBUTTON */
83 PB_Paint, /* BS_DEFPUSHBUTTON */
84 CB_Paint, /* BS_CHECKBOX */
85 CB_Paint, /* BS_AUTOCHECKBOX */
86 CB_Paint, /* BS_RADIOBUTTON */
87 CB_Paint, /* BS_3STATE */
88 CB_Paint, /* BS_AUTO3STATE */
89 GB_Paint, /* BS_GROUPBOX */
90 UB_Paint, /* BS_USERBUTTON */
91 CB_Paint, /* BS_AUTORADIOBUTTON */
92 NULL, /* Not defined */
93 OB_Paint /* BS_OWNERDRAW */
96 static HBITMAP hbitmapCheckBoxes = 0;
97 static WORD checkBoxWidth = 0, checkBoxHeight = 0;
100 /*********************************************************************
101 * button class descriptor
103 const struct builtin_class_descr BUTTON_builtin_class =
106 CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC, /* style */
107 ButtonWndProcA, /* procA */
108 ButtonWndProcW, /* procW */
109 NB_EXTRA_BYTES, /* extra */
110 IDC_ARROWA, /* cursor */
115 inline static LONG get_button_state( HWND hwnd )
117 return GetWindowLongA( hwnd, STATE_GWL_OFFSET );
120 inline static void set_button_state( HWND hwnd, LONG state )
122 SetWindowLongA( hwnd, STATE_GWL_OFFSET, state );
125 inline static HFONT get_button_font( HWND hwnd )
127 return (HFONT)GetWindowLongA( hwnd, HFONT_GWL_OFFSET );
130 inline static void set_button_font( HWND hwnd, HFONT font )
132 SetWindowLongA( hwnd, HFONT_GWL_OFFSET, (LONG)font );
135 inline static UINT get_button_type( LONG window_style )
137 return (window_style & 0x0f);
140 /* paint a button of any type */
141 inline static void paint_button( HWND hwnd, LONG style, UINT action )
143 if (btnPaintFunc[style] && IsWindowVisible(hwnd))
145 HDC hdc = GetDC( hwnd );
146 btnPaintFunc[style]( hwnd, hdc, action );
147 ReleaseDC( hwnd, hdc );
151 /* retrieve the button text; returned buffer must be freed by caller */
152 inline static WCHAR *get_button_text( HWND hwnd )
154 INT len = GetWindowTextLengthW( hwnd );
155 WCHAR *buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
156 if (buffer) GetWindowTextW( hwnd, buffer, len + 1 );
160 /***********************************************************************
161 * ButtonWndProc_common
163 static LRESULT WINAPI ButtonWndProc_common(HWND hWnd, UINT uMsg,
164 WPARAM wParam, LPARAM lParam, BOOL unicode )
168 LONG style = GetWindowLongA( hWnd, GWL_STYLE );
169 UINT btn_type = get_button_type( style );
173 pt.x = LOWORD(lParam);
174 pt.y = HIWORD(lParam);
181 case BS_PUSHBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
182 case BS_DEFPUSHBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
184 case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
185 default: return DLGC_BUTTON;
189 paint_button( hWnd, btn_type, ODA_DRAWENTIRE );
193 if (!hbitmapCheckBoxes)
196 hbitmapCheckBoxes = LoadBitmapW(0, MAKEINTRESOURCEW(OBM_CHECKBOXES));
197 GetObjectW( hbitmapCheckBoxes, sizeof(bmp), &bmp );
198 checkBoxWidth = bmp.bmWidth / 4;
199 checkBoxHeight = bmp.bmHeight / 3;
201 if (btn_type >= MAX_BTN_TYPE)
202 return -1; /* abort */
203 set_button_state( hWnd, BUTTON_UNCHECKED );
210 if (btnPaintFunc[btn_type])
213 HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
214 int nOldMode = SetBkMode( hdc, OPAQUE );
215 (btnPaintFunc[btn_type])( hWnd, hdc, ODA_DRAWENTIRE );
216 SetBkMode(hdc, nOldMode); /* reset painting mode */
217 if( !wParam ) EndPaint( hWnd, &ps );
222 if (wParam == VK_SPACE)
224 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
225 set_button_state( hWnd, get_button_state( hWnd ) | BUTTON_BTNPRESSED );
229 case WM_LBUTTONDBLCLK:
230 if(style & BS_NOTIFY ||
231 btn_type == BS_RADIOBUTTON ||
232 btn_type == BS_USERBUTTON ||
233 btn_type == BS_OWNERDRAW)
235 SendMessageW( GetParent(hWnd), WM_COMMAND,
236 MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_DOUBLECLICKED ),
244 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
245 set_button_state( hWnd, get_button_state( hWnd ) | BUTTON_BTNPRESSED );
249 if (wParam != VK_SPACE)
253 state = get_button_state( hWnd );
254 if (!(state & BUTTON_BTNPRESSED)) break;
255 state &= BUTTON_NSTATES;
256 set_button_state( hWnd, state );
257 if (!(state & BUTTON_HIGHLIGHTED))
262 SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
264 GetClientRect( hWnd, &rect );
265 if (uMsg == WM_KEYUP || PtInRect( &rect, pt ))
267 state = get_button_state( hWnd );
270 case BS_AUTOCHECKBOX:
271 SendMessageW( hWnd, BM_SETCHECK, !(state & BUTTON_CHECKED), 0 );
273 case BS_AUTORADIOBUTTON:
274 SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 );
277 SendMessageW( hWnd, BM_SETCHECK,
278 (state & BUTTON_3STATE) ? 0 : ((state & 3) + 1), 0 );
281 SendMessageW( GetParent(hWnd), WM_COMMAND,
282 MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_CLICKED ), (LPARAM)hWnd);
286 case WM_CAPTURECHANGED:
287 state = get_button_state( hWnd );
288 if (state & BUTTON_BTNPRESSED)
290 state &= BUTTON_NSTATES;
291 set_button_state( hWnd, state );
292 if (state & BUTTON_HIGHLIGHTED) SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
297 if ((wParam & MK_LBUTTON) && GetCapture() == hWnd)
299 GetClientRect( hWnd, &rect );
300 SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
306 /* Clear an old text here as Windows does */
307 HDC hdc = GetDC(hWnd);
311 hbrush = (HBRUSH)SendMessageW(GetParent(hWnd), WM_CTLCOLORSTATIC,
312 (WPARAM)hdc, (LPARAM)hWnd);
313 if (!hbrush) /* did the app forget to call DefWindowProc ? */
314 hbrush = (HBRUSH)DefWindowProcW(GetParent(hWnd), WM_CTLCOLORSTATIC,
315 (WPARAM)hdc, (LPARAM)hWnd);
317 GetClientRect(hWnd, &client);
319 BUTTON_CalcLabelRect(hWnd, hdc, &rc);
320 /* Clip by client rect bounds */
321 if (rc.right > client.right) rc.right = client.right;
322 if (rc.bottom > client.bottom) rc.bottom = client.bottom;
323 FillRect(hdc, &rc, hbrush);
324 ReleaseDC(hWnd, hdc);
326 if (unicode) DefWindowProcW( hWnd, WM_SETTEXT, wParam, lParam );
327 else DefWindowProcA( hWnd, WM_SETTEXT, wParam, lParam );
328 if (btn_type == BS_GROUPBOX) /* Yes, only for BS_GROUPBOX */
329 InvalidateRect( hWnd, NULL, TRUE );
331 paint_button( hWnd, btn_type, ODA_DRAWENTIRE );
332 return 1; /* success. FIXME: check text length */
336 set_button_font( hWnd, (HFONT)wParam );
337 if (lParam) paint_button( hWnd, btn_type, ODA_DRAWENTIRE );
341 return (LRESULT)get_button_font( hWnd );
344 if ((btn_type == BS_RADIOBUTTON || btn_type == BS_AUTORADIOBUTTON) && (GetCapture() != hWnd) &&
345 !(SendMessageW(hWnd, BM_GETCHECK, 0, 0) & BST_CHECKED))
347 /* The notification is sent when the button (BS_AUTORADIOBUTTON)
348 is unchecked and the focus was not given by a mouse click. */
349 if (btn_type == BS_AUTORADIOBUTTON)
350 SendMessageW( hWnd, BM_SETCHECK, BUTTON_CHECKED, 0 );
351 SendMessageW( GetParent(hWnd), WM_COMMAND,
352 MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_CLICKED ), (LPARAM)hWnd);
354 set_button_state( hWnd, get_button_state(hWnd) | BUTTON_HASFOCUS );
355 paint_button( hWnd, btn_type, ODA_FOCUS );
359 set_button_state( hWnd, get_button_state(hWnd) & ~BUTTON_HASFOCUS );
360 paint_button( hWnd, btn_type, ODA_FOCUS );
361 InvalidateRect( hWnd, NULL, TRUE );
364 case WM_SYSCOLORCHANGE:
365 InvalidateRect( hWnd, NULL, FALSE );
370 if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
371 btn_type = wParam & 0x0f;
372 style = (style & ~0x0f) | btn_type;
373 SetWindowLongA( hWnd, GWL_STYLE, style );
375 /* Only redraw if lParam flag is set.*/
377 paint_button( hWnd, btn_type, ODA_DRAWENTIRE );
382 SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 );
383 SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 );
387 /* Check that image format matches button style */
388 switch (style & (BS_BITMAP|BS_ICON))
391 if (wParam != IMAGE_BITMAP) return 0;
394 if (wParam != IMAGE_ICON) return 0;
399 oldHbitmap = (HBITMAP)SetWindowLongA( hWnd, HIMAGE_GWL_OFFSET, lParam );
400 InvalidateRect( hWnd, NULL, FALSE );
401 return (LRESULT)oldHbitmap;
404 return GetWindowLongA( hWnd, HIMAGE_GWL_OFFSET );
408 return get_button_state( hWnd ) & 3;
412 if (wParam > maxCheckState[btn_type]) wParam = maxCheckState[btn_type];
413 state = get_button_state( hWnd );
414 if ((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON))
416 if (wParam) style |= WS_TABSTOP;
417 else style &= ~WS_TABSTOP;
418 SetWindowLongA( hWnd, GWL_STYLE, style );
420 if ((state & 3) != wParam)
422 set_button_state( hWnd, (state & ~3) | wParam );
423 paint_button( hWnd, btn_type, ODA_SELECT );
425 if ((btn_type == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED) && (style & WS_CHILD))
426 BUTTON_CheckAutoRadioButton( hWnd );
431 return get_button_state( hWnd );
435 state = get_button_state( hWnd );
438 if (state & BUTTON_HIGHLIGHTED) break;
439 set_button_state( hWnd, state | BUTTON_HIGHLIGHTED );
443 if (!(state & BUTTON_HIGHLIGHTED)) break;
444 set_button_state( hWnd, state & ~BUTTON_HIGHLIGHTED );
446 paint_button( hWnd, btn_type, ODA_SELECT );
450 if(btn_type == BS_GROUPBOX) return HTTRANSPARENT;
453 return unicode ? DefWindowProcW(hWnd, uMsg, wParam, lParam) :
454 DefWindowProcA(hWnd, uMsg, wParam, lParam);
459 /***********************************************************************
461 * The button window procedure. This is just a wrapper which locks
462 * the passed HWND and calls the real window procedure (with a WND*
463 * pointer pointing to the locked windowstructure).
465 static LRESULT WINAPI ButtonWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
467 if (!IsWindow( hWnd )) return 0;
468 return ButtonWndProc_common( hWnd, uMsg, wParam, lParam, TRUE );
472 /***********************************************************************
475 static LRESULT WINAPI ButtonWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
477 if (!IsWindow( hWnd )) return 0;
478 return ButtonWndProc_common( hWnd, uMsg, wParam, lParam, FALSE );
482 /**********************************************************************
483 * Convert button styles to flags used by DrawText.
484 * TODO: handle WS_EX_RIGHT extended style.
486 static UINT BUTTON_BStoDT(DWORD style)
488 UINT dtStyle = DT_NOCLIP; /* We use SelectClipRgn to limit output */
490 /* "Convert" pushlike buttons to pushbuttons */
491 if (style & BS_PUSHLIKE)
494 if (!(style & BS_MULTILINE))
495 dtStyle |= DT_SINGLELINE;
497 dtStyle |= DT_WORDBREAK;
499 switch (style & BS_CENTER)
501 case BS_LEFT: /* DT_LEFT is 0 */ break;
502 case BS_RIGHT: dtStyle |= DT_RIGHT; break;
503 case BS_CENTER: dtStyle |= DT_CENTER; break;
505 /* Pushbutton's text is centered by default */
506 if (get_button_type(style) <= BS_DEFPUSHBUTTON) dtStyle |= DT_CENTER;
507 /* all other flavours have left aligned text */
510 /* DrawText ignores vertical alignment for multiline text,
511 * but we use these flags to align label manualy.
513 if (get_button_type(style) != BS_GROUPBOX)
515 switch (style & BS_VCENTER)
517 case BS_TOP: /* DT_TOP is 0 */ break;
518 case BS_BOTTOM: dtStyle |= DT_BOTTOM; break;
519 case BS_VCENTER: /* fall through */
520 default: dtStyle |= DT_VCENTER; break;
524 /* GroupBox's text is always single line and is top aligned. */
525 dtStyle |= DT_SINGLELINE;
530 /**********************************************************************
531 * BUTTON_CalcLabelRect
533 * Calculates label's rectangle depending on button style.
535 * Returns flags to be passed to DrawText.
536 * Calculated rectangle doesn't take into account button state
537 * (pushed, etc.). If there is nothing to draw (no text/image) output
538 * rectangle is empty, and return value is (UINT)-1.
540 static UINT BUTTON_CalcLabelRect(HWND hwnd, HDC hdc, RECT *rc)
542 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
546 UINT dtStyle = BUTTON_BStoDT(style);
550 /* Calculate label rectangle according to label type */
551 switch (style & (BS_ICON|BS_BITMAP))
554 if (!(text = get_button_text( hwnd ))) goto empty_rect;
557 HeapFree( GetProcessHeap(), 0, text );
560 DrawTextW(hdc, text, -1, &r, dtStyle | DT_CALCRECT);
561 HeapFree( GetProcessHeap(), 0, text );
565 if (!GetIconInfo((HICON)GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET ), &iconInfo))
568 GetObjectW (iconInfo.hbmColor, sizeof(BITMAP), &bm);
570 r.right = r.left + bm.bmWidth;
571 r.bottom = r.top + bm.bmHeight;
573 DeleteObject(iconInfo.hbmColor);
574 DeleteObject(iconInfo.hbmMask);
578 if (!GetObjectW( (HANDLE)GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET ), sizeof(BITMAP), &bm))
581 r.right = r.left + bm.bmWidth;
582 r.bottom = r.top + bm.bmHeight;
589 return (UINT)(LONG)-1;
592 /* Position label inside bounding rectangle according to
593 * alignment flags. (calculated rect is always left-top aligned).
594 * If label is aligned to any side - shift label in opposite
595 * direction to leave extra space for focus rectangle.
597 switch (dtStyle & (DT_CENTER|DT_RIGHT))
599 case DT_LEFT: r.left++; r.right++; break;
600 case DT_CENTER: n = r.right - r.left;
601 r.left = rc->left + ((rc->right - rc->left) - n) / 2;
602 r.right = r.left + n; break;
603 case DT_RIGHT: n = r.right - r.left;
604 r.right = rc->right - 1;
605 r.left = r.right - n;
609 switch (dtStyle & (DT_VCENTER|DT_BOTTOM))
611 case DT_TOP: r.top++; r.bottom++; break;
612 case DT_VCENTER: n = r.bottom - r.top;
613 r.top = rc->top + ((rc->bottom - rc->top) - n) / 2;
614 r.bottom = r.top + n; break;
615 case DT_BOTTOM: n = r.bottom - r.top;
616 r.bottom = rc->bottom - 1;
617 r.top = r.bottom - n;
626 /**********************************************************************
627 * BUTTON_DrawTextCallback
629 * Callback function used by DrawStateW function.
631 static BOOL CALLBACK BUTTON_DrawTextCallback(HDC hdc, LPARAM lp, WPARAM wp, int cx, int cy)
639 DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp);
644 /**********************************************************************
647 * Common function for drawing button label.
649 static void BUTTON_DrawLabel(HWND hwnd, HDC hdc, UINT dtFlags, RECT *rc)
651 DRAWSTATEPROC lpOutputProc = NULL;
655 UINT flags = IsWindowEnabled(hwnd) ? DSS_NORMAL : DSS_DISABLED;
656 LONG state = get_button_state( hwnd );
657 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
660 /* FIXME: To draw disabled label in Win31 look-and-feel, we probably
661 * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION).
662 * I don't have Win31 on hand to verify that, so I leave it as is.
665 if ((style & BS_PUSHLIKE) && (state & BUTTON_3STATE))
667 hbr = GetSysColorBrush(COLOR_GRAYTEXT);
671 switch (style & (BS_ICON|BS_BITMAP))
674 /* DST_COMPLEX -- is 0 */
675 lpOutputProc = BUTTON_DrawTextCallback;
676 if (!(text = get_button_text( hwnd ))) return;
678 wp = (WPARAM)dtFlags;
683 lp = GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET );
688 lp = GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET );
695 DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rc->left, rc->top,
696 rc->right - rc->left, rc->bottom - rc->top, flags);
697 if (text) HeapFree( GetProcessHeap(), 0, text );
700 /**********************************************************************
701 * Push Button Functions
703 static void PB_Paint( HWND hwnd, HDC hDC, UINT action )
705 RECT rc, focus_rect, r;
711 COLORREF oldTxtColor;
713 LONG state = get_button_state( hwnd );
714 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
715 BOOL pushedState = (state & BUTTON_HIGHLIGHTED);
717 GetClientRect( hwnd, &rc );
719 /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
720 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont );
721 SendMessageW( GetParent(hwnd), WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd );
722 hOldPen = (HPEN)SelectObject(hDC, SYSCOLOR_GetPen(COLOR_WINDOWFRAME));
723 hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
724 oldBkMode = SetBkMode(hDC, TRANSPARENT);
726 if ( TWEAK_WineLook == WIN31_LOOK)
728 COLORREF clr_wnd = GetSysColor(COLOR_WINDOW);
729 Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
731 SetPixel( hDC, rc.left, rc.top, clr_wnd);
732 SetPixel( hDC, rc.left, rc.bottom-1, clr_wnd);
733 SetPixel( hDC, rc.right-1, rc.top, clr_wnd);
734 SetPixel( hDC, rc.right-1, rc.bottom-1, clr_wnd);
735 InflateRect( &rc, -1, -1 );
738 if (get_button_type(style) == BS_DEFPUSHBUTTON)
740 Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
741 InflateRect( &rc, -1, -1 );
744 if (TWEAK_WineLook == WIN31_LOOK)
748 /* draw button shadow: */
749 SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
750 PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
751 PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
753 rc.right++, rc.bottom++;
754 DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
755 rc.right--, rc.bottom--;
760 UINT uState = DFCS_BUTTONPUSH | DFCS_ADJUSTRECT;
764 else if (pushedState)
766 if (get_button_type(style) == BS_DEFPUSHBUTTON )
769 uState |= DFCS_PUSHED;
772 if (state & (BUTTON_CHECKED | BUTTON_3STATE))
773 uState |= DFCS_CHECKED;
775 DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
780 /* draw button label */
782 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &r);
784 if (dtFlags == (UINT)-1L)
788 OffsetRect(&r, 1, 1);
790 if(TWEAK_WineLook == WIN31_LOOK)
793 InflateRect(&focus_rect, 2, 0);
796 hRgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
797 SelectClipRgn(hDC, hRgn);
799 oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) );
801 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &r);
803 SetTextColor( hDC, oldTxtColor );
804 SelectClipRgn(hDC, 0);
807 if (state & BUTTON_HASFOCUS)
809 InflateRect( &focus_rect, -1, -1 );
810 IntersectRect(&focus_rect, &focus_rect, &rc);
811 DrawFocusRect( hDC, &focus_rect );
815 SelectObject( hDC, hOldPen );
816 SelectObject( hDC, hOldBrush );
817 SetBkMode(hDC, oldBkMode);
820 /**********************************************************************
821 * Check Box & Radio Button Functions
824 static void CB_Paint( HWND hwnd, HDC hDC, UINT action )
826 RECT rbox, rtext, client;
832 LONG state = get_button_state( hwnd );
833 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
835 if (style & BS_PUSHLIKE)
837 PB_Paint( hwnd, hDC, action );
841 GetClientRect(hwnd, &client);
842 rbox = rtext = client;
844 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont );
846 hBrush = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC,
847 (WPARAM)hDC, (LPARAM)hwnd);
848 if (!hBrush) /* did the app forget to call defwindowproc ? */
849 hBrush = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORSTATIC,
850 (WPARAM)hDC, (LPARAM)hwnd );
852 if (style & BS_LEFTTEXT)
854 /* magic +4 is what CTL3D expects */
856 rtext.right -= checkBoxWidth + 4;
857 rbox.left = rbox.right - checkBoxWidth;
861 rtext.left += checkBoxWidth + 4;
862 rbox.right = checkBoxWidth;
865 /* Draw the check-box bitmap */
866 if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
868 /* Since WM_ERASEBKGND does nothing, first prepare background */
869 if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
870 else FillRect( hDC, &client, hBrush );
872 if( TWEAK_WineLook == WIN31_LOOK )
874 HDC hMemDC = CreateCompatibleDC( hDC );
876 delta = (rbox.bottom - rbox.top - checkBoxHeight) / 2;
878 /* Check in case the client area is smaller than the checkbox bitmap */
879 if (delta < 0) delta = 0;
881 if (state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
882 if (state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
883 if ((get_button_type(style) == BS_RADIOBUTTON) ||
884 (get_button_type(style) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
885 else if (state & BUTTON_3STATE) y += 2 * checkBoxHeight;
887 /* The bitmap for the radio button is not aligned with the
888 * left of the window, it is 1 pixel off. */
889 if ((get_button_type(style) == BS_RADIOBUTTON) ||
890 (get_button_type(style) == BS_AUTORADIOBUTTON))
893 SelectObject( hMemDC, hbitmapCheckBoxes );
894 BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
895 checkBoxHeight, hMemDC, x, y, SRCCOPY );
902 if ((get_button_type(style) == BS_RADIOBUTTON) ||
903 (get_button_type(style) == BS_AUTORADIOBUTTON)) flags = DFCS_BUTTONRADIO;
904 else if (state & BUTTON_3STATE) flags = DFCS_BUTTON3STATE;
905 else flags = DFCS_BUTTONCHECK;
907 if (state & (BUTTON_CHECKED | BUTTON_3STATE)) flags |= DFCS_CHECKED;
908 if (state & BUTTON_HIGHLIGHTED) flags |= DFCS_PUSHED;
910 if (style & WS_DISABLED) flags |= DFCS_INACTIVE;
912 /* rbox must have the correct height */
913 delta = rbox.bottom - rbox.top - checkBoxHeight;
916 int ofs = (abs(delta) / 2);
917 rbox.bottom -= ofs + 1;
918 rbox.top = rbox.bottom - checkBoxHeight;
922 int ofs = (abs(delta) / 2);
924 rbox.bottom = rbox.top + checkBoxHeight;
927 DrawFrameControl( hDC, &rbox, DFC_BUTTON, flags );
933 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &rtext);
935 if (dtFlags == (UINT)-1L) /* Noting to draw */
937 hRgn = CreateRectRgn(client.left, client.top, client.right, client.bottom);
938 SelectClipRgn(hDC, hRgn);
941 if (action == ODA_DRAWENTIRE)
942 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &rtext);
945 if ((action == ODA_FOCUS) ||
946 ((action == ODA_DRAWENTIRE) && (state & BUTTON_HASFOCUS)))
950 IntersectRect(&rtext, &rtext, &client);
951 DrawFocusRect( hDC, &rtext );
953 SelectClipRgn(hDC, 0);
957 /**********************************************************************
958 * BUTTON_CheckAutoRadioButton
960 * hwnd is checked, uncheck every other auto radio button in group
962 static void BUTTON_CheckAutoRadioButton( HWND hwnd )
964 HWND parent, sibling, start;
966 parent = GetParent(hwnd);
967 /* make sure that starting control is not disabled or invisible */
968 start = sibling = GetNextDlgGroupItem( parent, hwnd, TRUE );
972 if ((hwnd != sibling) &&
973 ((GetWindowLongA( sibling, GWL_STYLE) & 0x0f) == BS_AUTORADIOBUTTON))
974 SendMessageW( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
975 sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
976 } while (sibling != start);
980 /**********************************************************************
981 * Group Box Functions
984 static void GB_Paint( HWND hwnd, HDC hDC, UINT action )
990 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
992 if (action != ODA_DRAWENTIRE) return;
994 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont );
995 /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */
996 hbr = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)hwnd);
997 if (!hbr) /* did the app forget to call defwindowproc ? */
998 hbr = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORSTATIC,
999 (WPARAM)hDC, (LPARAM)hwnd);
1001 GetClientRect( hwnd, &rc);
1002 if (TWEAK_WineLook == WIN31_LOOK) {
1003 HPEN hPrevPen = SelectObject( hDC,
1004 SYSCOLOR_GetPen(COLOR_WINDOWFRAME));
1005 HBRUSH hPrevBrush = SelectObject( hDC,
1006 GetStockObject(NULL_BRUSH) );
1008 Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
1009 SelectObject( hDC, hPrevBrush );
1010 SelectObject( hDC, hPrevPen );
1015 GetTextMetricsW (hDC, &tm);
1016 rcFrame.top += (tm.tmHeight / 2) - 1;
1017 DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT | ((style & BS_FLAT) ? BF_FLAT : 0));
1020 InflateRect(&rc, -7, 1);
1021 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &rc);
1023 if (dtFlags == (UINT)-1L)
1026 /* Because buttons have CS_PARENTDC class style, there is a chance
1027 * that label will be drawn out of client rect.
1028 * But Windows doesn't clip label's rect, so do I.
1031 /* There is 1-pixel marging at the left, right, and bottom */
1032 rc.left--; rc.right++; rc.bottom++;
1033 FillRect(hDC, &rc, hbr);
1034 rc.left++; rc.right--; rc.bottom--;
1036 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &rc);
1040 /**********************************************************************
1041 * User Button Functions
1044 static void UB_Paint( HWND hwnd, HDC hDC, UINT action )
1049 LONG state = get_button_state( hwnd );
1051 if (action == ODA_SELECT) return;
1053 GetClientRect( hwnd, &rc);
1055 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont );
1057 hBrush = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd);
1058 if (!hBrush) /* did the app forget to call defwindowproc ? */
1059 hBrush = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORBTN,
1060 (WPARAM)hDC, (LPARAM)hwnd);
1062 FillRect( hDC, &rc, hBrush );
1063 if ((action == ODA_FOCUS) ||
1064 ((action == ODA_DRAWENTIRE) && (state & BUTTON_HASFOCUS)))
1065 DrawFocusRect( hDC, &rc );
1069 /**********************************************************************
1070 * Ownerdrawn Button Functions
1073 static void OB_Paint( HWND hwnd, HDC hDC, UINT action )
1075 LONG state = get_button_state( hwnd );
1079 UINT id = GetWindowLongA( hwnd, GWL_ID );
1081 dis.CtlType = ODT_BUTTON;
1084 dis.itemAction = action;
1085 dis.itemState = ((state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
1086 ((state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
1087 (IsWindowEnabled(hwnd) ? 0: ODS_DISABLED);
1088 dis.hwndItem = hwnd;
1091 GetClientRect( hwnd, &dis.rcItem );
1093 clipRegion = CreateRectRgnIndirect(&dis.rcItem);
1094 if (GetClipRgn(hDC, clipRegion) != 1)
1096 DeleteObject(clipRegion);
1099 clipRect = dis.rcItem;
1100 DPtoLP(hDC, (LPPOINT) &clipRect, 2);
1101 IntersectClipRect(hDC, clipRect.left, clipRect.top, clipRect.right, clipRect.bottom);
1103 SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) );
1104 SendMessageW( GetParent(hwnd), WM_DRAWITEM, id, (LPARAM)&dis );
1105 SelectClipRgn(hDC, clipRegion);