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_GLOBALCLASS | 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 )
155 INT len = GetWindowTextLengthW( hwnd );
156 WCHAR *buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
157 if (buffer) GetWindowTextW( 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 );
211 if (btnPaintFunc[btn_type])
214 HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
215 int nOldMode = SetBkMode( hdc, OPAQUE );
216 (btnPaintFunc[btn_type])( hWnd, hdc, ODA_DRAWENTIRE );
217 SetBkMode(hdc, nOldMode); /* reset painting mode */
218 if( !wParam ) EndPaint( hWnd, &ps );
223 if (wParam == VK_SPACE)
225 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
226 set_button_state( hWnd, get_button_state( hWnd ) | BUTTON_BTNPRESSED );
230 case WM_LBUTTONDBLCLK:
231 if(style & BS_NOTIFY ||
232 btn_type == BS_RADIOBUTTON ||
233 btn_type == BS_USERBUTTON ||
234 btn_type == BS_OWNERDRAW)
236 SendMessageW( GetParent(hWnd), WM_COMMAND,
237 MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_DOUBLECLICKED ),
245 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
246 set_button_state( hWnd, get_button_state( hWnd ) | BUTTON_BTNPRESSED );
250 if (wParam != VK_SPACE)
254 state = get_button_state( hWnd );
255 if (!(state & BUTTON_BTNPRESSED)) break;
256 state &= BUTTON_NSTATES;
257 set_button_state( hWnd, state );
258 if (!(state & BUTTON_HIGHLIGHTED))
263 SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
265 GetClientRect( hWnd, &rect );
266 if (uMsg == WM_KEYUP || PtInRect( &rect, pt ))
268 state = get_button_state( hWnd );
271 case BS_AUTOCHECKBOX:
272 SendMessageW( hWnd, BM_SETCHECK, !(state & BUTTON_CHECKED), 0 );
274 case BS_AUTORADIOBUTTON:
275 SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 );
278 SendMessageW( hWnd, BM_SETCHECK,
279 (state & BUTTON_3STATE) ? 0 : ((state & 3) + 1), 0 );
282 SendMessageW( GetParent(hWnd), WM_COMMAND,
283 MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_CLICKED ), (LPARAM)hWnd);
287 case WM_CAPTURECHANGED:
288 state = get_button_state( hWnd );
289 if (state & BUTTON_BTNPRESSED)
291 state &= BUTTON_NSTATES;
292 set_button_state( hWnd, state );
293 if (state & BUTTON_HIGHLIGHTED) SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
298 if ((wParam & MK_LBUTTON) && GetCapture() == hWnd)
300 GetClientRect( hWnd, &rect );
301 SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
307 /* Clear an old text here as Windows does */
308 HDC hdc = GetDC(hWnd);
312 hbrush = (HBRUSH)SendMessageW(GetParent(hWnd), WM_CTLCOLORSTATIC,
313 (WPARAM)hdc, (LPARAM)hWnd);
314 if (!hbrush) /* did the app forget to call DefWindowProc ? */
315 hbrush = (HBRUSH)DefWindowProcW(GetParent(hWnd), WM_CTLCOLORSTATIC,
316 (WPARAM)hdc, (LPARAM)hWnd);
318 GetClientRect(hWnd, &client);
320 BUTTON_CalcLabelRect(hWnd, hdc, &rc);
321 /* Clip by client rect bounds */
322 if (rc.right > client.right) rc.right = client.right;
323 if (rc.bottom > client.bottom) rc.bottom = client.bottom;
324 FillRect(hdc, &rc, hbrush);
325 ReleaseDC(hWnd, hdc);
327 if (unicode) DefWindowProcW( hWnd, WM_SETTEXT, wParam, lParam );
328 else DefWindowProcA( hWnd, WM_SETTEXT, wParam, lParam );
329 if (btn_type == BS_GROUPBOX) /* Yes, only for BS_GROUPBOX */
330 InvalidateRect( hWnd, NULL, TRUE );
332 paint_button( hWnd, btn_type, ODA_DRAWENTIRE );
333 return 1; /* success. FIXME: check text length */
337 set_button_font( hWnd, (HFONT)wParam );
338 if (lParam) paint_button( hWnd, btn_type, ODA_DRAWENTIRE );
342 return (LRESULT)get_button_font( hWnd );
345 if ((btn_type == BS_RADIOBUTTON || btn_type == BS_AUTORADIOBUTTON) && (GetCapture() != hWnd) &&
346 !(SendMessageW(hWnd, BM_GETCHECK, 0, 0) & BST_CHECKED))
348 /* The notification is sent when the button (BS_AUTORADIOBUTTON)
349 is unchecked and the focus was not given by a mouse click. */
350 if (btn_type == BS_AUTORADIOBUTTON)
351 SendMessageW( hWnd, BM_SETCHECK, BUTTON_CHECKED, 0 );
352 SendMessageW( GetParent(hWnd), WM_COMMAND,
353 MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_CLICKED ), (LPARAM)hWnd);
355 set_button_state( hWnd, get_button_state(hWnd) | BUTTON_HASFOCUS );
356 paint_button( hWnd, btn_type, ODA_FOCUS );
360 set_button_state( hWnd, get_button_state(hWnd) & ~BUTTON_HASFOCUS );
361 paint_button( hWnd, btn_type, ODA_FOCUS );
362 InvalidateRect( hWnd, NULL, TRUE );
365 case WM_SYSCOLORCHANGE:
366 InvalidateRect( hWnd, NULL, FALSE );
371 if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
372 btn_type = wParam & 0x0f;
373 style = (style & ~0x0f) | btn_type;
374 SetWindowLongA( hWnd, GWL_STYLE, style );
376 /* Only redraw if lParam flag is set.*/
378 paint_button( hWnd, btn_type, ODA_DRAWENTIRE );
383 SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 );
384 SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 );
388 /* Check that image format matches button style */
389 switch (style & (BS_BITMAP|BS_ICON))
392 if (wParam != IMAGE_BITMAP) return 0;
395 if (wParam != IMAGE_ICON) return 0;
400 oldHbitmap = (HBITMAP)SetWindowLongA( hWnd, HIMAGE_GWL_OFFSET, lParam );
401 InvalidateRect( hWnd, NULL, FALSE );
402 return (LRESULT)oldHbitmap;
405 return GetWindowLongA( hWnd, HIMAGE_GWL_OFFSET );
409 return get_button_state( hWnd ) & 3;
413 if (wParam > maxCheckState[btn_type]) wParam = maxCheckState[btn_type];
414 state = get_button_state( hWnd );
415 if ((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON))
417 if (wParam) style |= WS_TABSTOP;
418 else style &= ~WS_TABSTOP;
419 SetWindowLongA( hWnd, GWL_STYLE, style );
421 if ((state & 3) != wParam)
423 set_button_state( hWnd, (state & ~3) | wParam );
424 paint_button( hWnd, btn_type, ODA_SELECT );
426 if ((btn_type == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED) && (style & WS_CHILD))
427 BUTTON_CheckAutoRadioButton( hWnd );
432 return get_button_state( hWnd );
436 state = get_button_state( hWnd );
439 if (state & BUTTON_HIGHLIGHTED) break;
440 set_button_state( hWnd, state | BUTTON_HIGHLIGHTED );
444 if (!(state & BUTTON_HIGHLIGHTED)) break;
445 set_button_state( hWnd, state & ~BUTTON_HIGHLIGHTED );
447 paint_button( hWnd, btn_type, ODA_SELECT );
451 if(btn_type == BS_GROUPBOX) return HTTRANSPARENT;
454 return unicode ? DefWindowProcW(hWnd, uMsg, wParam, lParam) :
455 DefWindowProcA(hWnd, uMsg, wParam, lParam);
460 /***********************************************************************
462 * The button window procedure. This is just a wrapper which locks
463 * the passed HWND and calls the real window procedure (with a WND*
464 * pointer pointing to the locked windowstructure).
466 static LRESULT WINAPI ButtonWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
468 if (!IsWindow( hWnd )) return 0;
469 return ButtonWndProc_common( hWnd, uMsg, wParam, lParam, TRUE );
473 /***********************************************************************
476 static LRESULT WINAPI ButtonWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
478 if (!IsWindow( hWnd )) return 0;
479 return ButtonWndProc_common( hWnd, uMsg, wParam, lParam, FALSE );
483 /**********************************************************************
484 * Convert button styles to flags used by DrawText.
485 * TODO: handle WS_EX_RIGHT extended style.
487 static UINT BUTTON_BStoDT(DWORD style)
489 UINT dtStyle = DT_NOCLIP; /* We use SelectClipRgn to limit output */
491 /* "Convert" pushlike buttons to pushbuttons */
492 if (style & BS_PUSHLIKE)
495 if (!(style & BS_MULTILINE))
496 dtStyle |= DT_SINGLELINE;
498 dtStyle |= DT_WORDBREAK;
500 switch (style & BS_CENTER)
502 case BS_LEFT: /* DT_LEFT is 0 */ break;
503 case BS_RIGHT: dtStyle |= DT_RIGHT; break;
504 case BS_CENTER: dtStyle |= DT_CENTER; break;
506 /* Pushbutton's text is centered by default */
507 if (get_button_type(style) <= BS_DEFPUSHBUTTON) dtStyle |= DT_CENTER;
508 /* all other flavours have left aligned text */
511 /* DrawText ignores vertical alignment for multiline text,
512 * but we use these flags to align label manualy.
514 if (get_button_type(style) != BS_GROUPBOX)
516 switch (style & BS_VCENTER)
518 case BS_TOP: /* DT_TOP is 0 */ break;
519 case BS_BOTTOM: dtStyle |= DT_BOTTOM; break;
520 case BS_VCENTER: /* fall through */
521 default: dtStyle |= DT_VCENTER; break;
525 /* GroupBox's text is always single line and is top aligned. */
526 dtStyle |= DT_SINGLELINE;
531 /**********************************************************************
532 * BUTTON_CalcLabelRect
534 * Calculates label's rectangle depending on button style.
536 * Returns flags to be passed to DrawText.
537 * Calculated rectangle doesn't take into account button state
538 * (pushed, etc.). If there is nothing to draw (no text/image) output
539 * rectangle is empty, and return value is (UINT)-1.
541 static UINT BUTTON_CalcLabelRect(HWND hwnd, HDC hdc, RECT *rc)
543 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
547 UINT dtStyle = BUTTON_BStoDT(style);
551 /* Calculate label rectangle according to label type */
552 switch (style & (BS_ICON|BS_BITMAP))
555 if (!(text = get_button_text( hwnd ))) goto empty_rect;
558 HeapFree( GetProcessHeap(), 0, text );
561 DrawTextW(hdc, text, -1, &r, dtStyle | DT_CALCRECT);
562 HeapFree( GetProcessHeap(), 0, text );
566 if (!GetIconInfo((HICON)GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET ), &iconInfo))
569 GetObjectW (iconInfo.hbmColor, sizeof(BITMAP), &bm);
571 r.right = r.left + bm.bmWidth;
572 r.bottom = r.top + bm.bmHeight;
574 DeleteObject(iconInfo.hbmColor);
575 DeleteObject(iconInfo.hbmMask);
579 if (!GetObjectW( (HANDLE)GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET ), sizeof(BITMAP), &bm))
582 r.right = r.left + bm.bmWidth;
583 r.bottom = r.top + bm.bmHeight;
590 return (UINT)(LONG)-1;
593 /* Position label inside bounding rectangle according to
594 * alignment flags. (calculated rect is always left-top aligned).
595 * If label is aligned to any side - shift label in opposite
596 * direction to leave extra space for focus rectangle.
598 switch (dtStyle & (DT_CENTER|DT_RIGHT))
600 case DT_LEFT: r.left++; r.right++; break;
601 case DT_CENTER: n = r.right - r.left;
602 r.left = rc->left + ((rc->right - rc->left) - n) / 2;
603 r.right = r.left + n; break;
604 case DT_RIGHT: n = r.right - r.left;
605 r.right = rc->right - 1;
606 r.left = r.right - n;
610 switch (dtStyle & (DT_VCENTER|DT_BOTTOM))
612 case DT_TOP: r.top++; r.bottom++; break;
613 case DT_VCENTER: n = r.bottom - r.top;
614 r.top = rc->top + ((rc->bottom - rc->top) - n) / 2;
615 r.bottom = r.top + n; break;
616 case DT_BOTTOM: n = r.bottom - r.top;
617 r.bottom = rc->bottom - 1;
618 r.top = r.bottom - n;
627 /**********************************************************************
628 * BUTTON_DrawTextCallback
630 * Callback function used by DrawStateW function.
632 static BOOL CALLBACK BUTTON_DrawTextCallback(HDC hdc, LPARAM lp, WPARAM wp, int cx, int cy)
640 DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp);
645 /**********************************************************************
648 * Common function for drawing button label.
650 static void BUTTON_DrawLabel(HWND hwnd, HDC hdc, UINT dtFlags, RECT *rc)
652 DRAWSTATEPROC lpOutputProc = NULL;
656 UINT flags = IsWindowEnabled(hwnd) ? DSS_NORMAL : DSS_DISABLED;
657 LONG state = get_button_state( hwnd );
658 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
661 /* FIXME: To draw disabled label in Win31 look-and-feel, we probably
662 * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION).
663 * I don't have Win31 on hand to verify that, so I leave it as is.
666 if ((style & BS_PUSHLIKE) && (state & BUTTON_3STATE))
668 hbr = GetSysColorBrush(COLOR_GRAYTEXT);
672 switch (style & (BS_ICON|BS_BITMAP))
675 /* DST_COMPLEX -- is 0 */
676 lpOutputProc = BUTTON_DrawTextCallback;
677 if (!(text = get_button_text( hwnd ))) return;
679 wp = (WPARAM)dtFlags;
684 lp = GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET );
689 lp = GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET );
696 DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rc->left, rc->top,
697 rc->right - rc->left, rc->bottom - rc->top, flags);
698 if (text) HeapFree( GetProcessHeap(), 0, text );
701 /**********************************************************************
702 * Push Button Functions
704 static void PB_Paint( HWND hwnd, HDC hDC, UINT action )
706 RECT rc, focus_rect, r;
712 COLORREF oldTxtColor;
714 LONG state = get_button_state( hwnd );
715 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
716 BOOL pushedState = (state & BUTTON_HIGHLIGHTED);
718 GetClientRect( hwnd, &rc );
720 /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
721 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont );
722 SendMessageW( GetParent(hwnd), WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd );
723 hOldPen = (HPEN)SelectObject(hDC, SYSCOLOR_GetPen(COLOR_WINDOWFRAME));
724 hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
725 oldBkMode = SetBkMode(hDC, TRANSPARENT);
727 if ( TWEAK_WineLook == WIN31_LOOK)
729 COLORREF clr_wnd = GetSysColor(COLOR_WINDOW);
730 Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
732 SetPixel( hDC, rc.left, rc.top, clr_wnd);
733 SetPixel( hDC, rc.left, rc.bottom-1, clr_wnd);
734 SetPixel( hDC, rc.right-1, rc.top, clr_wnd);
735 SetPixel( hDC, rc.right-1, rc.bottom-1, clr_wnd);
736 InflateRect( &rc, -1, -1 );
739 if (get_button_type(style) == BS_DEFPUSHBUTTON)
741 Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
742 InflateRect( &rc, -1, -1 );
745 if (TWEAK_WineLook == WIN31_LOOK)
749 /* draw button shadow: */
750 SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
751 PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
752 PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
754 rc.right++, rc.bottom++;
755 DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
756 rc.right--, rc.bottom--;
761 UINT uState = DFCS_BUTTONPUSH | DFCS_ADJUSTRECT;
765 else if (pushedState)
767 if (get_button_type(style) == BS_DEFPUSHBUTTON )
770 uState |= DFCS_PUSHED;
773 if (state & (BUTTON_CHECKED | BUTTON_3STATE))
774 uState |= DFCS_CHECKED;
776 DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
781 /* draw button label */
783 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &r);
785 if (dtFlags == (UINT)-1L)
789 OffsetRect(&r, 1, 1);
791 if(TWEAK_WineLook == WIN31_LOOK)
794 InflateRect(&focus_rect, 2, 0);
797 hRgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
798 SelectClipRgn(hDC, hRgn);
800 oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) );
802 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &r);
804 SetTextColor( hDC, oldTxtColor );
805 SelectClipRgn(hDC, 0);
808 if (state & BUTTON_HASFOCUS)
810 InflateRect( &focus_rect, -1, -1 );
811 IntersectRect(&focus_rect, &focus_rect, &rc);
812 DrawFocusRect( hDC, &focus_rect );
816 SelectObject( hDC, hOldPen );
817 SelectObject( hDC, hOldBrush );
818 SetBkMode(hDC, oldBkMode);
821 /**********************************************************************
822 * Check Box & Radio Button Functions
825 static void CB_Paint( HWND hwnd, HDC hDC, UINT action )
827 RECT rbox, rtext, client;
833 LONG state = get_button_state( hwnd );
834 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
836 if (style & BS_PUSHLIKE)
838 PB_Paint( hwnd, hDC, action );
842 GetClientRect(hwnd, &client);
843 rbox = rtext = client;
845 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont );
847 hBrush = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC,
848 (WPARAM)hDC, (LPARAM)hwnd);
849 if (!hBrush) /* did the app forget to call defwindowproc ? */
850 hBrush = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORSTATIC,
851 (WPARAM)hDC, (LPARAM)hwnd );
853 if (style & BS_LEFTTEXT)
855 /* magic +4 is what CTL3D expects */
857 rtext.right -= checkBoxWidth + 4;
858 rbox.left = rbox.right - checkBoxWidth;
862 rtext.left += checkBoxWidth + 4;
863 rbox.right = checkBoxWidth;
866 /* Since WM_ERASEBKGND does nothing, first prepare background */
867 if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
868 if (action == ODA_DRAWENTIRE) FillRect( hDC, &client, hBrush );
872 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &rtext);
874 rbox.top = rtext.top;
875 rbox.bottom = rtext.bottom;
876 /* Draw the check-box bitmap */
877 if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
879 if( TWEAK_WineLook == WIN31_LOOK )
881 HDC hMemDC = CreateCompatibleDC( hDC );
883 delta = (rbox.bottom - rbox.top - checkBoxHeight) / 2;
885 /* Check in case the client area is smaller than the checkbox bitmap */
886 if (delta < 0) delta = 0;
888 if (state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
889 if (state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
890 if ((get_button_type(style) == BS_RADIOBUTTON) ||
891 (get_button_type(style) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
892 else if (state & BUTTON_3STATE) y += 2 * checkBoxHeight;
894 /* The bitmap for the radio button is not aligned with the
895 * left of the window, it is 1 pixel off. */
896 if ((get_button_type(style) == BS_RADIOBUTTON) ||
897 (get_button_type(style) == BS_AUTORADIOBUTTON))
900 SelectObject( hMemDC, hbitmapCheckBoxes );
901 BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
902 checkBoxHeight, hMemDC, x, y, SRCCOPY );
909 if ((get_button_type(style) == BS_RADIOBUTTON) ||
910 (get_button_type(style) == BS_AUTORADIOBUTTON)) flags = DFCS_BUTTONRADIO;
911 else if (state & BUTTON_3STATE) flags = DFCS_BUTTON3STATE;
912 else flags = DFCS_BUTTONCHECK;
914 if (state & (BUTTON_CHECKED | BUTTON_3STATE)) flags |= DFCS_CHECKED;
915 if (state & BUTTON_HIGHLIGHTED) flags |= DFCS_PUSHED;
917 if (style & WS_DISABLED) flags |= DFCS_INACTIVE;
919 /* rbox must have the correct height */
920 delta = rbox.bottom - rbox.top - checkBoxHeight;
922 if (style & BS_TOP) {
924 rbox.bottom = rbox.top + checkBoxHeight;
926 rbox.top -= -delta/2 + 1;
927 rbox.bottom += rbox.top + checkBoxHeight;
929 } else if (style & BS_BOTTOM) {
931 rbox.top = rbox.bottom - checkBoxHeight;
933 rbox.bottom += -delta/2 + 1;
934 rbox.top = rbox.bottom -= checkBoxHeight;
936 } else { /* Default */
939 int ofs = (delta / 2);
940 rbox.bottom -= ofs + 1;
941 rbox.top = rbox.bottom - checkBoxHeight;
945 int ofs = (-delta / 2);
947 rbox.bottom = rbox.top + checkBoxHeight;
951 DrawFrameControl( hDC, &rbox, DFC_BUTTON, flags );
955 if (dtFlags == (UINT)-1L) /* Noting to draw */
957 hRgn = CreateRectRgn(client.left, client.top, client.right, client.bottom);
958 SelectClipRgn(hDC, hRgn);
961 if (action == ODA_DRAWENTIRE)
962 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &rtext);
965 if ((action == ODA_FOCUS) ||
966 ((action == ODA_DRAWENTIRE) && (state & BUTTON_HASFOCUS)))
970 IntersectRect(&rtext, &rtext, &client);
971 DrawFocusRect( hDC, &rtext );
973 SelectClipRgn(hDC, 0);
977 /**********************************************************************
978 * BUTTON_CheckAutoRadioButton
980 * hwnd is checked, uncheck every other auto radio button in group
982 static void BUTTON_CheckAutoRadioButton( HWND hwnd )
984 HWND parent, sibling, start;
986 parent = GetParent(hwnd);
987 /* make sure that starting control is not disabled or invisible */
988 start = sibling = GetNextDlgGroupItem( parent, hwnd, TRUE );
992 if ((hwnd != sibling) &&
993 ((GetWindowLongA( sibling, GWL_STYLE) & 0x0f) == BS_AUTORADIOBUTTON))
994 SendMessageW( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
995 sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
996 } while (sibling != start);
1000 /**********************************************************************
1001 * Group Box Functions
1004 static void GB_Paint( HWND hwnd, HDC hDC, UINT action )
1010 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
1012 if (action != ODA_DRAWENTIRE) return;
1014 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont );
1015 /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */
1016 hbr = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)hwnd);
1017 if (!hbr) /* did the app forget to call defwindowproc ? */
1018 hbr = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORSTATIC,
1019 (WPARAM)hDC, (LPARAM)hwnd);
1021 GetClientRect( hwnd, &rc);
1022 if (TWEAK_WineLook == WIN31_LOOK) {
1023 HPEN hPrevPen = SelectObject( hDC,
1024 SYSCOLOR_GetPen(COLOR_WINDOWFRAME));
1025 HBRUSH hPrevBrush = SelectObject( hDC,
1026 GetStockObject(NULL_BRUSH) );
1028 Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
1029 SelectObject( hDC, hPrevBrush );
1030 SelectObject( hDC, hPrevPen );
1035 GetTextMetricsW (hDC, &tm);
1036 rcFrame.top += (tm.tmHeight / 2) - 1;
1037 DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT | ((style & BS_FLAT) ? BF_FLAT : 0));
1040 InflateRect(&rc, -7, 1);
1041 dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &rc);
1043 if (dtFlags == (UINT)-1L)
1046 /* Because buttons have CS_PARENTDC class style, there is a chance
1047 * that label will be drawn out of client rect.
1048 * But Windows doesn't clip label's rect, so do I.
1051 /* There is 1-pixel marging at the left, right, and bottom */
1052 rc.left--; rc.right++; rc.bottom++;
1053 FillRect(hDC, &rc, hbr);
1054 rc.left++; rc.right--; rc.bottom--;
1056 BUTTON_DrawLabel(hwnd, hDC, dtFlags, &rc);
1060 /**********************************************************************
1061 * User Button Functions
1064 static void UB_Paint( HWND hwnd, HDC hDC, UINT action )
1069 LONG state = get_button_state( hwnd );
1071 if (action == ODA_SELECT) return;
1073 GetClientRect( hwnd, &rc);
1075 if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont );
1077 hBrush = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd);
1078 if (!hBrush) /* did the app forget to call defwindowproc ? */
1079 hBrush = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORBTN,
1080 (WPARAM)hDC, (LPARAM)hwnd);
1082 FillRect( hDC, &rc, hBrush );
1083 if ((action == ODA_FOCUS) ||
1084 ((action == ODA_DRAWENTIRE) && (state & BUTTON_HASFOCUS)))
1085 DrawFocusRect( hDC, &rc );
1089 /**********************************************************************
1090 * Ownerdrawn Button Functions
1093 static void OB_Paint( HWND hwnd, HDC hDC, UINT action )
1095 LONG state = get_button_state( hwnd );
1099 UINT id = GetWindowLongA( hwnd, GWL_ID );
1101 dis.CtlType = ODT_BUTTON;
1104 dis.itemAction = action;
1105 dis.itemState = ((state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
1106 ((state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
1107 (IsWindowEnabled(hwnd) ? 0: ODS_DISABLED);
1108 dis.hwndItem = hwnd;
1111 GetClientRect( hwnd, &dis.rcItem );
1113 clipRegion = CreateRectRgnIndirect(&dis.rcItem);
1114 if (GetClipRgn(hDC, clipRegion) != 1)
1116 DeleteObject(clipRegion);
1119 clipRect = dis.rcItem;
1120 DPtoLP(hDC, (LPPOINT) &clipRect, 2);
1121 IntersectClipRect(hDC, clipRect.left, clipRect.top, clipRect.right, clipRect.bottom);
1123 SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) );
1124 SendMessageW( GetParent(hwnd), WM_DRAWITEM, id, (LPARAM)&dis );
1125 SelectClipRgn(hDC, clipRegion);