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
14 static void PB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
15 static void PB_PaintGrayOnGray(HDC32 hDC,HFONT32 hFont,RECT32 *rc,char *text);
16 static void CB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
17 static void GB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
18 static void UB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
19 static void OB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
20 static void BUTTON_CheckAutoRadioButton( WND *wndPtr );
22 #define MAX_BTN_TYPE 12
24 static const WORD maxCheckState[MAX_BTN_TYPE] =
26 BUTTON_UNCHECKED, /* BS_PUSHBUTTON */
27 BUTTON_UNCHECKED, /* BS_DEFPUSHBUTTON */
28 BUTTON_CHECKED, /* BS_CHECKBOX */
29 BUTTON_CHECKED, /* BS_AUTOCHECKBOX */
30 BUTTON_CHECKED, /* BS_RADIOBUTTON */
31 BUTTON_3STATE, /* BS_3STATE */
32 BUTTON_3STATE, /* BS_AUTO3STATE */
33 BUTTON_UNCHECKED, /* BS_GROUPBOX */
34 BUTTON_UNCHECKED, /* BS_USERBUTTON */
35 BUTTON_CHECKED, /* BS_AUTORADIOBUTTON */
36 BUTTON_UNCHECKED, /* Not defined */
37 BUTTON_UNCHECKED /* BS_OWNERDRAW */
40 typedef void (*pfPaint)( WND *wndPtr, HDC32 hdc, WORD action );
42 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
44 PB_Paint, /* BS_PUSHBUTTON */
45 PB_Paint, /* BS_DEFPUSHBUTTON */
46 CB_Paint, /* BS_CHECKBOX */
47 CB_Paint, /* BS_AUTOCHECKBOX */
48 CB_Paint, /* BS_RADIOBUTTON */
49 CB_Paint, /* BS_3STATE */
50 CB_Paint, /* BS_AUTO3STATE */
51 GB_Paint, /* BS_GROUPBOX */
52 UB_Paint, /* BS_USERBUTTON */
53 CB_Paint, /* BS_AUTORADIOBUTTON */
54 NULL, /* Not defined */
55 OB_Paint /* BS_OWNERDRAW */
58 #define PAINT_BUTTON(wndPtr,style,action) \
59 if (btnPaintFunc[style]) { \
60 HDC32 hdc = GetDC32( (wndPtr)->hwndSelf ); \
61 (btnPaintFunc[style])(wndPtr,hdc,action); \
62 ReleaseDC32( (wndPtr)->hwndSelf, hdc ); }
64 #define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \
65 SendMessage32A( GetParent32((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \
66 (hdc), (wndPtr)->hwndSelf )
68 static HBITMAP32 hbitmapCheckBoxes = 0;
69 static WORD checkBoxWidth = 0, checkBoxHeight = 0;
72 /***********************************************************************
75 LRESULT WINAPI ButtonWndProc( HWND32 hWnd, UINT32 uMsg,
76 WPARAM32 wParam, LPARAM lParam )
79 POINT32 pt = { LOWORD(lParam), HIWORD(lParam) };
80 WND *wndPtr = WIN_FindWndPtr(hWnd);
81 BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
82 LONG style = wndPtr->dwStyle & 0x0f;
89 case BS_PUSHBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
90 case BS_DEFPUSHBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
92 case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
93 default: return DLGC_BUTTON;
97 PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
101 if (!hbitmapCheckBoxes)
104 hbitmapCheckBoxes = LoadBitmap32A(0, MAKEINTRESOURCE32A(OBM_CHECKBOXES));
105 GetObject32A( hbitmapCheckBoxes, sizeof(bmp), &bmp );
106 checkBoxWidth = bmp.bmWidth / 4;
107 checkBoxHeight = bmp.bmHeight / 3;
109 if (style < 0L || style >= MAX_BTN_TYPE) return -1; /* abort */
110 infoPtr->state = BUTTON_UNCHECKED;
118 if (btnPaintFunc[style])
121 HDC32 hdc = wParam ? (HDC32)wParam : BeginPaint32( hWnd, &ps );
122 SetBkMode32( hdc, OPAQUE );
123 (btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE );
124 if( !wParam ) EndPaint32( hWnd, &ps );
129 SendMessage32A( hWnd, BM_SETSTATE32, TRUE, 0 );
131 SetCapture32( hWnd );
136 if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
137 SendMessage32A( hWnd, BM_SETSTATE32, FALSE, 0 );
138 GetClientRect32( hWnd, &rect );
139 if (PtInRect32( &rect, pt ))
143 case BS_AUTOCHECKBOX:
144 SendMessage32A( hWnd, BM_SETCHECK32,
145 !(infoPtr->state & BUTTON_CHECKED), 0 );
147 case BS_AUTORADIOBUTTON:
148 SendMessage32A( hWnd, BM_SETCHECK32, TRUE, 0 );
151 SendMessage32A( hWnd, BM_SETCHECK32,
152 (infoPtr->state & BUTTON_3STATE) ? 0 :
153 ((infoPtr->state & 3) + 1), 0 );
156 SendMessage32A( GetParent32(hWnd), WM_COMMAND,
157 MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
162 if (GetCapture32() == hWnd)
164 GetClientRect32( hWnd, &rect );
165 SendMessage32A( hWnd, BM_SETSTATE32, PtInRect32(&rect, pt), 0 );
170 if(style == BS_GROUPBOX) return HTTRANSPARENT;
171 return DefWindowProc32A( hWnd, uMsg, wParam, lParam );
174 DEFWND_SetText( wndPtr, (LPCSTR)lParam );
175 if( wndPtr->dwStyle & WS_VISIBLE )
176 PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
180 infoPtr->hFont = (HFONT16)wParam;
181 if (lParam && (wndPtr->dwStyle & WS_VISIBLE))
182 PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
186 return infoPtr->hFont;
189 infoPtr->state |= BUTTON_HASFOCUS;
190 if (style == BS_AUTORADIOBUTTON)
192 SendMessage32A( hWnd, BM_SETCHECK32, 1, 0 );
194 PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
198 infoPtr->state &= ~BUTTON_HASFOCUS;
199 PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
200 InvalidateRect32( hWnd, NULL, TRUE );
203 case WM_SYSCOLORCHANGE:
204 InvalidateRect32( hWnd, NULL, FALSE );
209 if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
210 wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0)
211 | (wParam & 0x0000000f);
212 style = wndPtr->dwStyle & 0x0000000f;
213 PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
218 return infoPtr->state & 3;
222 if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
223 if ((infoPtr->state & 3) != wParam)
225 if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
228 wndPtr->dwStyle |= WS_TABSTOP;
230 wndPtr->dwStyle &= ~WS_TABSTOP;
232 infoPtr->state = (infoPtr->state & ~3) | wParam;
233 PAINT_BUTTON( wndPtr, style, ODA_SELECT );
235 if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
236 BUTTON_CheckAutoRadioButton( wndPtr );
241 return infoPtr->state;
247 if (infoPtr->state & BUTTON_HIGHLIGHTED) break;
248 infoPtr->state |= BUTTON_HIGHLIGHTED;
252 if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
253 infoPtr->state &= ~BUTTON_HIGHLIGHTED;
255 PAINT_BUTTON( wndPtr, style, ODA_SELECT );
259 return DefWindowProc32A(hWnd, uMsg, wParam, lParam);
265 /**********************************************************************
266 * Push Button Functions
269 static void PB_Paint( WND *wndPtr, HDC32 hDC, WORD action )
274 BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
276 GetClientRect32( wndPtr->hwndSelf, &rc );
278 /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
279 if (infoPtr->hFont) SelectObject32( hDC, infoPtr->hFont );
280 BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
281 hOldPen = (HPEN32)SelectObject32(hDC, GetSysColorPen32(COLOR_WINDOWFRAME));
282 hOldBrush =(HBRUSH32)SelectObject32(hDC,GetSysColorBrush32(COLOR_BTNFACE));
283 SetBkMode32(hDC, TRANSPARENT);
284 Rectangle32(hDC, rc.left, rc.top, rc.right, rc.bottom);
285 if (action == ODA_DRAWENTIRE)
287 SetPixel32( hDC, rc.left, rc.top, GetSysColor32(COLOR_WINDOW) );
288 SetPixel32( hDC, rc.left, rc.bottom-1, GetSysColor32(COLOR_WINDOW) );
289 SetPixel32( hDC, rc.right-1, rc.top, GetSysColor32(COLOR_WINDOW) );
290 SetPixel32( hDC, rc.right-1, rc.bottom-1, GetSysColor32(COLOR_WINDOW));
292 InflateRect32( &rc, -1, -1 );
294 if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
296 Rectangle32(hDC, rc.left, rc.top, rc.right, rc.bottom);
297 InflateRect32( &rc, -1, -1 );
300 if (infoPtr->state & BUTTON_HIGHLIGHTED)
302 /* draw button shadow: */
303 SelectObject32(hDC, GetSysColorBrush32(COLOR_BTNSHADOW));
304 PatBlt32(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
305 PatBlt32(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
306 rc.left += 2; /* To position the text down and right */
309 else GRAPH_DrawReliefRect( hDC, &rc, 2, 2, FALSE );
311 /* draw button label, if any: */
312 if (wndPtr->text && wndPtr->text[0])
315 GetObject32A( GetSysColorBrush32(COLOR_BTNFACE), sizeof(lb), &lb );
316 if (wndPtr->dwStyle & WS_DISABLED &&
317 GetSysColor32(COLOR_GRAYTEXT)==lb.lbColor)
318 /* don't write gray text on gray bkg */
319 PB_PaintGrayOnGray(hDC,infoPtr->hFont,&rc,wndPtr->text);
322 SetTextColor32( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
323 GetSysColor32(COLOR_GRAYTEXT) :
324 GetSysColor32(COLOR_BTNTEXT) );
325 DrawText32A( hDC, wndPtr->text, -1, &rc,
326 DT_SINGLELINE | DT_CENTER | DT_VCENTER );
327 /* do we have the focus? */
328 if (infoPtr->state & BUTTON_HASFOCUS)
330 RECT32 r = { 0, 0, 0, 0 };
331 INT32 xdelta, ydelta;
333 DrawText32A( hDC, wndPtr->text, -1, &r,
334 DT_SINGLELINE | DT_CALCRECT );
335 xdelta = ((rc.right - rc.left) - (r.right - r.left) - 1) / 2;
336 ydelta = ((rc.bottom - rc.top) - (r.bottom - r.top) - 1) / 2;
337 if (xdelta < 0) xdelta = 0;
338 if (ydelta < 0) ydelta = 0;
339 InflateRect32( &rc, -xdelta, -ydelta );
340 DrawFocusRect32( hDC, &rc );
345 SelectObject32( hDC, hOldPen );
346 SelectObject32( hDC, hOldBrush );
350 /**********************************************************************
351 * Push Button sub function [internal]
352 * using a raster brush to avoid gray text on gray background
355 void PB_PaintGrayOnGray(HDC32 hDC,HFONT32 hFont,RECT32 *rc,char *text)
357 static const int Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
358 HBITMAP32 hbm = CreateBitmap32( 8, 8, 1, 1, Pattern );
359 HDC32 hdcMem = CreateCompatibleDC32(hDC);
365 DrawText32A( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT);
367 rect.left=(rc->right-rect.right)/2; /* for centering text bitmap */
368 rect.top=(rc->bottom-rect.bottom)/2;
369 hbmMem = CreateCompatibleBitmap32( hDC,rect.right,rect.bottom );
370 SelectObject32( hdcMem, hbmMem);
371 hBr = SelectObject32( hdcMem, CreatePatternBrush32(hbm) );
372 DeleteObject32( hbm );
373 PatBlt32( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
374 if (hFont) SelectObject32( hdcMem, hFont);
375 DrawText32A( hdcMem, text, -1, &rc2, DT_SINGLELINE);
376 PatBlt32( hdcMem,0,0,rect.right,rect.bottom,0xFA0089);
377 DeleteObject32( SelectObject32( hdcMem,hBr) );
378 BitBlt32(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,0x990000);
380 DeleteObject32( hbmMem );
384 /**********************************************************************
385 * Check Box & Radio Button Functions
388 static void CB_Paint( WND *wndPtr, HDC32 hDC, WORD action )
390 RECT32 rbox, rtext, client;
393 BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
396 GetClientRect32(wndPtr->hwndSelf, &client);
397 rbox = rtext = client;
399 if (infoPtr->hFont) SelectObject32( hDC, infoPtr->hFont );
401 /* Something is still not right, checkboxes (and edit controls)
402 * in wsping32 have white backgrounds instead of dark grey.
403 * BUTTON_SEND_CTLCOLOR() is even worse since it returns 0 in this
404 * particular case and the background is not painted at all.
407 hBrush = GetControlBrush( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
409 if (wndPtr->dwStyle & BS_LEFTTEXT)
411 /* magic +4 is what CTL3D expects */
413 rtext.right -= checkBoxWidth + 4;
414 rbox.left = rbox.right - checkBoxWidth;
418 rtext.left += checkBoxWidth + 4;
419 rbox.right = checkBoxWidth;
422 /* Draw the check-box bitmap */
424 if (wndPtr->text) textlen = strlen( wndPtr->text );
425 if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
428 delta = (rbox.bottom - rbox.top - checkBoxHeight) >> 1;
430 if (action == ODA_SELECT) FillRect32( hDC, &rbox, hBrush );
431 else FillRect32( hDC, &client, hBrush );
433 if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
434 if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
435 if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
436 ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
437 else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight;
439 GRAPH_DrawBitmap( hDC, hbitmapCheckBoxes, rbox.left, rbox.top + delta,
440 x, y, checkBoxWidth, checkBoxHeight, FALSE );
441 if( textlen && action != ODA_SELECT )
443 if (wndPtr->dwStyle & WS_DISABLED)
444 SetTextColor32( hDC, GetSysColor32(COLOR_GRAYTEXT) );
445 DrawText32A( hDC, wndPtr->text, textlen, &rtext,
446 DT_SINGLELINE | DT_VCENTER );
447 textlen = 0; /* skip DrawText() below */
451 if ((action == ODA_FOCUS) ||
452 ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
454 /* again, this is what CTL3D expects */
456 SetRectEmpty32(&rbox);
458 DrawText32A( hDC, wndPtr->text, textlen, &rbox,
459 DT_SINGLELINE | DT_CALCRECT );
460 textlen = rbox.bottom - rbox.top;
461 delta = ((rtext.bottom - rtext.top) - textlen)/2;
462 rbox.bottom = (rbox.top = rtext.top + delta - 1) + textlen + 2;
463 textlen = rbox.right - rbox.left;
464 rbox.right = (rbox.left += --rtext.left) + textlen + 2;
465 IntersectRect32(&rbox, &rbox, &rtext);
466 DrawFocusRect32( hDC, &rbox );
471 /**********************************************************************
472 * BUTTON_CheckAutoRadioButton
474 * wndPtr is checked, uncheck every other auto radio button in group
476 static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
478 HWND32 parent, sibling, start;
479 if (!(wndPtr->dwStyle & WS_CHILD)) return;
480 parent = wndPtr->parent->hwndSelf;
481 /* assure that starting control is not disabled or invisible */
482 start = sibling = GetNextDlgGroupItem32( parent, wndPtr->hwndSelf, TRUE );
486 if ((wndPtr->hwndSelf != sibling) &&
487 ((WIN_FindWndPtr(sibling)->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
488 SendMessage32A( sibling, BM_SETCHECK32, BUTTON_UNCHECKED, 0 );
489 sibling = GetNextDlgGroupItem32( parent, sibling, FALSE );
490 } while (sibling != start);
494 /**********************************************************************
495 * Group Box Functions
498 static void GB_Paint( WND *wndPtr, HDC32 hDC, WORD action )
501 BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
503 if (action != ODA_DRAWENTIRE) return;
505 BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
507 GetClientRect32( wndPtr->hwndSelf, &rc);
508 if (TWEAK_WineLook == WIN31_LOOK)
509 GRAPH_DrawRectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1,
510 GetSysColorPen32(COLOR_WINDOWFRAME) );
516 SelectObject32 (hDC, infoPtr->hFont);
517 GetTextMetrics32A (hDC, &tm);
518 rcFrame.top += (tm.tmHeight / 2) - 1;
519 DrawEdge32 (hDC, &rcFrame, EDGE_ETCHED, BF_RECT);
524 if (infoPtr->hFont) SelectObject32( hDC, infoPtr->hFont );
525 if (wndPtr->dwStyle & WS_DISABLED)
526 SetTextColor32( hDC, GetSysColor32(COLOR_GRAYTEXT) );
528 DrawText32A( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE | DT_NOCLIP );
533 /**********************************************************************
534 * User Button Functions
537 static void UB_Paint( WND *wndPtr, HDC32 hDC, WORD action )
541 BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
543 if (action == ODA_SELECT) return;
545 GetClientRect32( wndPtr->hwndSelf, &rc);
547 if (infoPtr->hFont) SelectObject32( hDC, infoPtr->hFont );
548 hBrush = GetControlBrush( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
550 FillRect32( hDC, &rc, hBrush );
551 if ((action == ODA_FOCUS) ||
552 ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
553 DrawFocusRect32( hDC, &rc );
557 /**********************************************************************
558 * Ownerdrawn Button Functions
561 static void OB_Paint( WND *wndPtr, HDC32 hDC, WORD action )
563 BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
564 DRAWITEMSTRUCT32 dis;
566 dis.CtlType = ODT_BUTTON;
567 dis.CtlID = wndPtr->wIDmenu;
569 dis.itemAction = action;
570 dis.itemState = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
571 ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
572 ((wndPtr->dwStyle & WS_DISABLED) ? ODS_DISABLED : 0);
573 dis.hwndItem = wndPtr->hwndSelf;
576 GetClientRect32( wndPtr->hwndSelf, &dis.rcItem );
577 SendMessage32A( GetParent32(wndPtr->hwndSelf), WM_DRAWITEM,
578 wndPtr->wIDmenu, (LPARAM)&dis );