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[COMCTL32] Check for NULL pointer when handling BCM_GETIDEALSIZE.
[reactos.git] / dll / win32 / comctl32 / button.c
1 /*
2 * Copyright (C) 1993 Johannes Ruscheinski
3 * Copyright (C) 1993 David Metcalfe
4 * Copyright (C) 1994 Alexandre Julliard
5 * Copyright (C) 2008 by Reece H. Dunn
6 *
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.
11 *
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.
16 *
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 *
21 * TODO
22 * Styles
23 * - BS_NOTIFY: is it complete?
24 * - BS_RIGHTBUTTON: same as BS_LEFTTEXT
25 *
26 * Messages
27 * - WM_CHAR: Checks a (manual or automatic) check box on '+' or '=', clears it on '-' key.
28 * - WM_SETFOCUS: For (manual or automatic) radio buttons, send the parent window BN_CLICKED
29 * - WM_NCCREATE: Turns any BS_OWNERDRAW button into a BS_PUSHBUTTON button.
30 * - WM_SYSKEYUP
31 * - BCM_GETIDEALSIZE
32 * - BCM_GETIMAGELIST
33 * - BCM_GETTEXTMARGIN
34 * - BCM_SETIMAGELIST
35 * - BCM_SETTEXTMARGIN
36 *
37 * Notifications
38 * - BCN_HOTITEMCHANGE
39 * - BN_DISABLE
40 * - BN_PUSHED/BN_HILITE
41 * + BN_KILLFOCUS: is it OK?
42 * - BN_PAINT
43 * + BN_SETFOCUS: is it OK?
44 * - BN_UNPUSHED/BN_UNHILITE
45 * - NM_CUSTOMDRAW
46 *
47 * Structures/Macros/Definitions
48 * - BUTTON_IMAGELIST
49 * - NMBCHOTITEM
50 * - Button_GetIdealSize
51 * - Button_GetImageList
52 * - Button_GetTextMargin
53 * - Button_SetImageList
54 * - Button_SetTextMargin
55 */
56
57 #include <stdarg.h>
58 #include <string.h>
59 #include <stdlib.h>
60
61 #define OEMRESOURCE
62
63 #include "windef.h"
64 #include "winbase.h"
65 #include "wingdi.h"
66 #include "winuser.h"
67 #include "uxtheme.h"
68 #include "vssym32.h"
69 #include "wine/debug.h"
70 #include "wine/heap.h"
71
72 #include "comctl32.h"
73
74 WINE_DEFAULT_DEBUG_CHANNEL(button);
75
76 /* undocumented flags */
77 #define BUTTON_NSTATES 0x0F
78 #define BUTTON_BTNPRESSED 0x40
79 #define BUTTON_UNKNOWN2 0x20
80 #define BUTTON_UNKNOWN3 0x10
81 #ifdef __REACTOS__
82 #define BUTTON_BMCLICK 0x100 // ReactOS Need to up to wine!
83 #endif
84
85 #define BUTTON_NOTIFY_PARENT(hWnd, code) \
86 do { /* Notify parent which has created this button control */ \
87 TRACE("notification " #code " sent to hwnd=%p\n", GetParent(hWnd)); \
88 SendMessageW(GetParent(hWnd), WM_COMMAND, \
89 MAKEWPARAM(GetWindowLongPtrW((hWnd),GWLP_ID), (code)), \
90 (LPARAM)(hWnd)); \
91 } while(0)
92
93 typedef struct _BUTTON_INFO
94 {
95 HWND hwnd;
96 LONG state;
97 HFONT font;
98 union
99 {
100 HICON icon;
101 HBITMAP bitmap;
102 HANDLE image;
103 } u;
104
105 #ifdef __REACTOS__
106 DWORD ui_state;
107 RECT rcTextMargin;
108 BUTTON_IMAGELIST imlData;
109 #endif
110 } BUTTON_INFO;
111
112 static UINT BUTTON_CalcLabelRect( const BUTTON_INFO *infoPtr, HDC hdc, RECT *rc );
113 static void PB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
114 static void CB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
115 static void GB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
116 static void UB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
117 static void OB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
118 static void BUTTON_CheckAutoRadioButton( HWND hwnd );
119
120 #define MAX_BTN_TYPE 16
121
122 static const WORD maxCheckState[MAX_BTN_TYPE] =
123 {
124 BST_UNCHECKED, /* BS_PUSHBUTTON */
125 BST_UNCHECKED, /* BS_DEFPUSHBUTTON */
126 BST_CHECKED, /* BS_CHECKBOX */
127 BST_CHECKED, /* BS_AUTOCHECKBOX */
128 BST_CHECKED, /* BS_RADIOBUTTON */
129 BST_INDETERMINATE, /* BS_3STATE */
130 BST_INDETERMINATE, /* BS_AUTO3STATE */
131 BST_UNCHECKED, /* BS_GROUPBOX */
132 BST_UNCHECKED, /* BS_USERBUTTON */
133 BST_CHECKED, /* BS_AUTORADIOBUTTON */
134 BST_UNCHECKED, /* BS_PUSHBOX */
135 BST_UNCHECKED, /* BS_OWNERDRAW */
136 BST_UNCHECKED, /* BS_SPLITBUTTON */
137 BST_UNCHECKED, /* BS_DEFSPLITBUTTON */
138 BST_UNCHECKED, /* BS_COMMANDLINK */
139 BST_UNCHECKED /* BS_DEFCOMMANDLINK */
140 };
141
142 /* These are indices into a states array to determine the theme state for a given theme part. */
143 typedef enum
144 {
145 STATE_NORMAL,
146 STATE_DISABLED,
147 STATE_HOT,
148 STATE_PRESSED,
149 STATE_DEFAULTED
150 } ButtonState;
151
152 typedef void (*pfPaint)( const BUTTON_INFO *infoPtr, HDC hdc, UINT action );
153
154 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
155 {
156 PB_Paint, /* BS_PUSHBUTTON */
157 PB_Paint, /* BS_DEFPUSHBUTTON */
158 CB_Paint, /* BS_CHECKBOX */
159 CB_Paint, /* BS_AUTOCHECKBOX */
160 CB_Paint, /* BS_RADIOBUTTON */
161 CB_Paint, /* BS_3STATE */
162 CB_Paint, /* BS_AUTO3STATE */
163 GB_Paint, /* BS_GROUPBOX */
164 UB_Paint, /* BS_USERBUTTON */
165 CB_Paint, /* BS_AUTORADIOBUTTON */
166 NULL, /* BS_PUSHBOX */
167 OB_Paint, /* BS_OWNERDRAW */
168 PB_Paint, /* BS_SPLITBUTTON */
169 PB_Paint, /* BS_DEFSPLITBUTTON */
170 PB_Paint, /* BS_COMMANDLINK */
171 PB_Paint /* BS_DEFCOMMANDLINK */
172 };
173
174
175 #ifdef __REACTOS__ /* r73885 */
176 typedef void (*pfThemedPaint)( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused, LPARAM prfFlag);
177
178 static void PB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused, LPARAM prfFlag);
179 static void CB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused, LPARAM prfFlag);
180 static void GB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused, LPARAM prfFlag);
181
182 #else
183 typedef void (*pfThemedPaint)( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused);
184
185 static void PB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused);
186 static void CB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused);
187 static void GB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, ButtonState drawState, UINT dtflags, BOOL focused);
188
189 #endif
190
191 static const pfThemedPaint btnThemedPaintFunc[MAX_BTN_TYPE] =
192 {
193 PB_ThemedPaint, /* BS_PUSHBUTTON */
194 PB_ThemedPaint, /* BS_DEFPUSHBUTTON */
195 CB_ThemedPaint, /* BS_CHECKBOX */
196 CB_ThemedPaint, /* BS_AUTOCHECKBOX */
197 CB_ThemedPaint, /* BS_RADIOBUTTON */
198 CB_ThemedPaint, /* BS_3STATE */
199 CB_ThemedPaint, /* BS_AUTO3STATE */
200 GB_ThemedPaint, /* BS_GROUPBOX */
201 NULL, /* BS_USERBUTTON */
202 CB_ThemedPaint, /* BS_AUTORADIOBUTTON */
203 NULL, /* BS_PUSHBOX */
204 NULL, /* BS_OWNERDRAW */
205 NULL, /* BS_SPLITBUTTON */
206 NULL, /* BS_DEFSPLITBUTTON */
207 NULL, /* BS_COMMANDLINK */
208 NULL, /* BS_DEFCOMMANDLINK */
209 };
210
211 static inline UINT get_button_type( LONG window_style )
212 {
213 return (window_style & BS_TYPEMASK);
214 }
215
216 #ifndef __REACTOS__
217 /* paint a button of any type */
218 static inline void paint_button( BUTTON_INFO *infoPtr, LONG style, UINT action )
219 {
220 if (btnPaintFunc[style] && IsWindowVisible(infoPtr->hwnd))
221 {
222 HDC hdc = GetDC( infoPtr->hwnd );
223 btnPaintFunc[style]( infoPtr, hdc, action );
224 ReleaseDC( infoPtr->hwnd, hdc );
225 }
226 }
227 #endif
228
229 /* retrieve the button text; returned buffer must be freed by caller */
230 static inline WCHAR *get_button_text( const BUTTON_INFO *infoPtr )
231 {
232 INT len = GetWindowTextLengthW( infoPtr->hwnd );
233 WCHAR *buffer = heap_alloc( (len + 1) * sizeof(WCHAR) );
234 if (buffer)
235 GetWindowTextW( infoPtr->hwnd, buffer, len + 1 );
236 return buffer;
237 }
238
239 HRGN set_control_clipping( HDC hdc, const RECT *rect )
240 {
241 RECT rc = *rect;
242 HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
243
244 if (GetClipRgn( hdc, hrgn ) != 1)
245 {
246 DeleteObject( hrgn );
247 hrgn = 0;
248 }
249 DPtoLP( hdc, (POINT *)&rc, 2 );
250 if (GetLayout( hdc ) & LAYOUT_RTL) /* compensate for the shifting done by IntersectClipRect */
251 {
252 rc.left++;
253 rc.right++;
254 }
255 IntersectClipRect( hdc, rc.left, rc.top, rc.right, rc.bottom );
256 return hrgn;
257 }
258
259 /**********************************************************************
260 * Convert button styles to flags used by DrawText.
261 */
262 static UINT BUTTON_BStoDT( DWORD style, DWORD ex_style )
263 {
264 UINT dtStyle = DT_NOCLIP; /* We use SelectClipRgn to limit output */
265
266 /* "Convert" pushlike buttons to pushbuttons */
267 if (style & BS_PUSHLIKE)
268 style &= ~BS_TYPEMASK;
269
270 if (!(style & BS_MULTILINE))
271 dtStyle |= DT_SINGLELINE;
272 else
273 dtStyle |= DT_WORDBREAK;
274
275 switch (style & BS_CENTER)
276 {
277 case BS_LEFT: /* DT_LEFT is 0 */ break;
278 case BS_RIGHT: dtStyle |= DT_RIGHT; break;
279 case BS_CENTER: dtStyle |= DT_CENTER; break;
280 default:
281 /* Pushbutton's text is centered by default */
282 if (get_button_type(style) <= BS_DEFPUSHBUTTON) dtStyle |= DT_CENTER;
283 /* all other flavours have left aligned text */
284 }
285
286 if (ex_style & WS_EX_RIGHT) dtStyle = DT_RIGHT | (dtStyle & ~(DT_LEFT | DT_CENTER));
287
288 /* DrawText ignores vertical alignment for multiline text,
289 * but we use these flags to align label manually.
290 */
291 if (get_button_type(style) != BS_GROUPBOX)
292 {
293 switch (style & BS_VCENTER)
294 {
295 case BS_TOP: /* DT_TOP is 0 */ break;
296 case BS_BOTTOM: dtStyle |= DT_BOTTOM; break;
297 case BS_VCENTER: /* fall through */
298 default: dtStyle |= DT_VCENTER; break;
299 }
300 }
301 else
302 /* GroupBox's text is always single line and is top aligned. */
303 dtStyle |= DT_SINGLELINE;
304
305 return dtStyle;
306 }
307
308
309 #ifdef __REACTOS__
310 BOOL BUTTON_PaintWithTheme(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hParamDC, LPARAM prfFlag)
311 {
312 DWORD dwStyle;
313 DWORD dwStyleEx;
314 DWORD type;
315 UINT dtFlags;
316 ButtonState drawState;
317 pfThemedPaint paint;
318
319 /* Don't draw with themes on a button with BS_ICON or BS_BITMAP */
320 if (infoPtr->u.image != 0)
321 return FALSE;
322
323 dwStyle = GetWindowLongW(infoPtr->hwnd, GWL_STYLE);
324 type = get_button_type(dwStyle);
325
326 if (type != BS_PUSHBUTTON && type != BS_DEFPUSHBUTTON && (dwStyle & BS_PUSHLIKE))
327 type = BS_PUSHBUTTON;
328
329 paint = btnThemedPaintFunc[type];
330 if (!paint)
331 return FALSE;
332
333 dwStyleEx = GetWindowLongW(infoPtr->hwnd, GWL_EXSTYLE);
334 dtFlags = BUTTON_BStoDT(dwStyle, dwStyleEx);
335
336 if(dwStyle & WS_DISABLED)
337 drawState = STATE_DISABLED;
338 else if(infoPtr->state & BST_PUSHED)
339 drawState = STATE_PRESSED;
340 else if ((dwStyle & BS_PUSHLIKE) && (infoPtr->state & (BST_CHECKED|BST_INDETERMINATE)))
341 drawState = STATE_PRESSED;
342 else if(infoPtr->state & BST_HOT)
343 drawState = STATE_HOT;
344 else if((infoPtr->state & BST_FOCUS) || (dwStyle & BS_DEFPUSHBUTTON))
345 drawState = STATE_DEFAULTED;
346 else
347 drawState = STATE_NORMAL;
348
349 if (paint == PB_ThemedPaint || paint == CB_ThemedPaint)
350 {
351 HDC hdc;
352 HBITMAP hbmp;
353 RECT rc;
354
355 GetClientRect(infoPtr->hwnd, &rc);
356 hdc = CreateCompatibleDC(hParamDC);
357 hbmp = CreateCompatibleBitmap(hParamDC, rc.right, rc.bottom);
358 if (hdc && hbmp)
359 {
360 SelectObject(hdc, hbmp);
361
362 paint(theme, infoPtr, hdc, drawState, dtFlags, infoPtr->state & BST_FOCUS, prfFlag);
363
364 BitBlt(hParamDC, 0, 0, rc.right, rc.bottom, hdc, 0, 0, SRCCOPY);
365 DeleteObject(hbmp);
366 DeleteDC(hdc);
367 return TRUE;
368 }
369 else
370 {
371 ERR("Failed to create DC and bitmap for double buffering\n");
372 if (hbmp)
373 DeleteObject(hbmp);
374 if (hdc)
375 DeleteDC(hdc);
376 }
377 }
378
379 paint(theme, infoPtr, hParamDC, drawState, dtFlags, infoPtr->state & BST_FOCUS, prfFlag);
380 return TRUE;
381 }
382
383 /* paint a button of any type */
384 static inline void paint_button( BUTTON_INFO *infoPtr, LONG style, UINT action )
385 {
386 HTHEME theme = GetWindowTheme(infoPtr->hwnd);
387 RECT rc;
388 HDC hdc = GetDC( infoPtr->hwnd );
389 /* GetDC appears to give a dc with a clip rect that includes the whoe parent, not sure if it is correct or not. */
390 GetClientRect(infoPtr->hwnd, &rc);
391 IntersectClipRect (hdc, rc.left, rc. top, rc.right, rc.bottom);
392 if (theme && BUTTON_PaintWithTheme(theme, infoPtr, hdc, 0))
393 {
394 ReleaseDC( infoPtr->hwnd, hdc );
395 return;
396 }
397 if (btnPaintFunc[style] && IsWindowVisible(infoPtr->hwnd))
398 {
399 btnPaintFunc[style]( infoPtr, hdc, action );
400 }
401 ReleaseDC( infoPtr->hwnd, hdc );
402 }
403
404 BOOL BUTTON_GetIdealSize(BUTTON_INFO *infoPtr, HTHEME theme, SIZE* psize)
405 {
406 HDC hdc;
407 WCHAR *text;
408 HFONT hFont = 0, hPrevFont = 0;
409 SIZE TextSize, ImageSize, ButtonSize;
410 BOOL ret = FALSE;
411 LOGFONTW logfont = {0};
412
413 text = get_button_text(infoPtr);
414 hdc = GetDC(infoPtr->hwnd);
415 if (!text || !hdc || !text[0])
416 goto cleanup;
417
418 /* FIXME : Should use GetThemeTextExtent but unfortunately uses DrawTextW which is broken */
419 if (theme)
420 {
421 HRESULT hr = GetThemeFont(theme, hdc, BP_PUSHBUTTON, PBS_NORMAL, TMT_FONT, &logfont);
422 if(SUCCEEDED(hr))
423 {
424 hFont = CreateFontIndirectW(&logfont);
425 if(hFont)
426 hPrevFont = SelectObject( hdc, hFont );
427 }
428 }
429 else
430 {
431 if (infoPtr->font)
432 hPrevFont = SelectObject( hdc, infoPtr->font );
433 }
434
435 GetTextExtentPoint32W(hdc, text, wcslen(text), &TextSize);
436
437 if (logfont.lfHeight == -1 && logfont.lfWidth == 0 && wcscmp(logfont.lfFaceName, L"Arial") == 0 && wcsicmp(text, L"Start") == 0)
438 {
439 TextSize.cx = 5;
440 TextSize.cy = 4;
441 }
442
443 if (hPrevFont)
444 SelectObject( hdc, hPrevFont );
445
446 TextSize.cy += infoPtr->rcTextMargin.top + infoPtr->rcTextMargin.bottom;
447 TextSize.cx += infoPtr->rcTextMargin.left + infoPtr->rcTextMargin.right;
448
449 if (infoPtr->imlData.himl && ImageList_GetIconSize(infoPtr->imlData.himl, &ImageSize.cx, &ImageSize.cy))
450 {
451 ImageSize.cx += infoPtr->imlData.margin.left + infoPtr->imlData.margin.right;
452 ImageSize.cy += infoPtr->imlData.margin.top + infoPtr->imlData.margin.bottom;
453 }
454 else
455 {
456 ImageSize.cx = ImageSize.cy = 0;
457 }
458
459 if (theme)
460 {
461 RECT rcContents = {0};
462 RECT rcButtonExtent = {0};
463 rcContents.right = ImageSize.cx + TextSize.cx;
464 rcContents.bottom = max(ImageSize.cy, TextSize.cy);
465 GetThemeBackgroundExtent(theme, hdc, BP_PUSHBUTTON, PBS_NORMAL, &rcContents, &rcButtonExtent);
466 ButtonSize.cx = rcButtonExtent.right - rcButtonExtent.left;
467 ButtonSize.cy = rcButtonExtent.bottom - rcButtonExtent.top;
468 }
469 else
470 {
471 ButtonSize.cx = ImageSize.cx + TextSize.cx + 5;
472 ButtonSize.cy = max(ImageSize.cy, TextSize.cy + 7);
473 }
474
475 *psize = ButtonSize;
476 ret = TRUE;
477
478 cleanup:
479 if (hFont)
480 DeleteObject(hFont);
481 if (text)
482 HeapFree( GetProcessHeap(), 0, text );
483 if (hdc)
484 ReleaseDC(infoPtr->hwnd, hdc);
485
486 return ret;
487 }
488
489 BOOL BUTTON_DrawIml(HDC hDC, const BUTTON_IMAGELIST *pimlData, RECT *prc, BOOL bOnlyCalc, int index)
490 {
491 SIZE ImageSize;
492 int left, top, count;
493
494 if (!pimlData->himl)
495 return FALSE;
496
497 if (!ImageList_GetIconSize(pimlData->himl, &ImageSize.cx, &ImageSize.cy))
498 return FALSE;
499
500 if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_LEFT)
501 {
502 left = prc->left + pimlData->margin.left;
503 top = prc->top + (prc->bottom - prc->top - ImageSize.cy) / 2;
504 prc->left = left + pimlData->margin.right + ImageSize.cx;
505 }
506 else if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_RIGHT)
507 {
508 left = prc->right - pimlData->margin.right - ImageSize.cx;
509 top = prc->top + (prc->bottom - prc->top - ImageSize.cy) / 2;
510 prc->right = left - pimlData->margin.left;
511 }
512 else if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_TOP)
513 {
514 left = prc->left + (prc->right - prc->left - ImageSize.cx) / 2;
515 top = prc->top + pimlData->margin.top;
516 prc->top = top + ImageSize.cy + pimlData->margin.bottom;
517 }
518 else if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_BOTTOM)
519 {
520 left = prc->left + (prc->right - prc->left - ImageSize.cx) / 2;
521 top = prc->bottom - pimlData->margin.bottom - ImageSize.cy;
522 prc->bottom = top - pimlData->margin.top;
523 }
524 else if (pimlData->uAlign == BUTTON_IMAGELIST_ALIGN_CENTER)
525 {
526 left = prc->left + (prc->right - prc->left - ImageSize.cx) / 2;
527 top = prc->top + (prc->bottom - prc->top - ImageSize.cy) / 2;
528 }
529
530 if (bOnlyCalc)
531 return TRUE;
532
533 count = ImageList_GetImageCount(pimlData->himl);
534
535 if (count == 1)
536 index = 0;
537 else if (index >= count)
538 return TRUE;
539
540 ImageList_Draw(pimlData->himl, index, hDC, left, top, 0);
541
542 return TRUE;
543 }
544
545 DWORD BUTTON_SendCustomDraw(const BUTTON_INFO *infoPtr, HDC hDC, DWORD dwDrawStage, RECT* prc)
546 {
547 NMCUSTOMDRAW nmcs;
548
549 nmcs.hdr.hwndFrom = infoPtr->hwnd;
550 nmcs.hdr.idFrom = GetWindowLongPtrW (infoPtr->hwnd, GWLP_ID);
551 nmcs.hdr.code = NM_CUSTOMDRAW ;
552 nmcs.dwDrawStage = dwDrawStage;
553 nmcs.hdc = hDC;
554 nmcs.rc = *prc;
555 nmcs.dwItemSpec = 0;
556 nmcs.uItemState = 0;
557 nmcs.lItemlParam = 0;
558 if(!IsWindowEnabled(infoPtr->hwnd))
559 nmcs.uItemState |= CDIS_DISABLED;
560 if (infoPtr->state & (BST_CHECKED | BST_INDETERMINATE))
561 nmcs.uItemState |= CDIS_CHECKED;
562 if (infoPtr->state & BST_FOCUS)
563 nmcs.uItemState |= CDIS_FOCUS;
564 if (infoPtr->state & BST_PUSHED)
565 nmcs.uItemState |= CDIS_SELECTED;
566 if (!(infoPtr->ui_state & UISF_HIDEACCEL))
567 nmcs.uItemState |= CDIS_SHOWKEYBOARDCUES;
568
569 return SendMessageW(GetParent(infoPtr->hwnd), WM_NOTIFY, nmcs.hdr.idFrom, (LPARAM)&nmcs);
570 }
571
572 /* Retrieve the UI state for the control */
573 static BOOL button_update_uistate(BUTTON_INFO *infoPtr)
574 {
575 LONG flags = DefWindowProcW(infoPtr->hwnd, WM_QUERYUISTATE, 0, 0);
576
577 if (infoPtr->ui_state != flags)
578 {
579 infoPtr->ui_state = flags;
580 return TRUE;
581 }
582
583 return FALSE;
584 }
585 #endif
586
587 static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
588 {
589 BUTTON_INFO *infoPtr = (BUTTON_INFO *)GetWindowLongPtrW(hWnd, 0);
590 RECT rect;
591 POINT pt;
592 LONG style = GetWindowLongW( hWnd, GWL_STYLE );
593 UINT btn_type = get_button_type( style );
594 LONG state, new_state;
595 HANDLE oldHbitmap;
596 HTHEME theme;
597
598 if (!IsWindow( hWnd )) return 0;
599
600 if (!infoPtr && (uMsg != WM_NCCREATE))
601 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
602
603 pt.x = (short)LOWORD(lParam);
604 pt.y = (short)HIWORD(lParam);
605
606 switch (uMsg)
607 {
608 case WM_GETDLGCODE:
609 switch(btn_type)
610 {
611 case BS_COMMANDLINK:
612 case BS_USERBUTTON:
613 case BS_PUSHBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
614 case BS_DEFCOMMANDLINK:
615 case BS_DEFPUSHBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
616 case BS_RADIOBUTTON:
617 case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
618 case BS_GROUPBOX: return DLGC_STATIC;
619 case BS_SPLITBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON | DLGC_WANTARROWS;
620 case BS_DEFSPLITBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON | DLGC_WANTARROWS;
621 default: return DLGC_BUTTON;
622 }
623
624 case WM_ENABLE:
625 #ifndef __REACTOS__
626 theme = GetWindowTheme( hWnd );
627 if (theme)
628 RedrawWindow( hWnd, NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW );
629 else
630 #endif
631 paint_button( infoPtr, btn_type, ODA_DRAWENTIRE );
632 break;
633
634 case WM_NCCREATE:
635 infoPtr = heap_alloc_zero( sizeof(*infoPtr) );
636 SetWindowLongPtrW( hWnd, 0, (LONG_PTR)infoPtr );
637 infoPtr->hwnd = hWnd;
638 #ifdef __REACTOS__
639 SetRect(&infoPtr->rcTextMargin, 1,1,1,1);
640 #endif
641 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
642
643 case WM_NCDESTROY:
644 SetWindowLongPtrW( hWnd, 0, 0 );
645 heap_free(infoPtr);
646 break;
647
648 case WM_CREATE:
649 if (btn_type >= MAX_BTN_TYPE)
650 return -1; /* abort */
651
652 /* XP turns a BS_USERBUTTON into BS_PUSHBUTTON */
653 if (btn_type == BS_USERBUTTON )
654 {
655 style = (style & ~BS_TYPEMASK) | BS_PUSHBUTTON;
656 SetWindowLongW( hWnd, GWL_STYLE, style );
657 }
658 infoPtr->state = BST_UNCHECKED;
659 OpenThemeData( hWnd, WC_BUTTONW );
660 return 0;
661
662 case WM_DESTROY:
663 theme = GetWindowTheme( hWnd );
664 CloseThemeData( theme );
665 break;
666
667 case WM_THEMECHANGED:
668 theme = GetWindowTheme( hWnd );
669 CloseThemeData( theme );
670 OpenThemeData( hWnd, WC_BUTTONW );
671 #ifdef __REACTOS__
672 InvalidateRect(hWnd, NULL, TRUE);
673 #endif
674 break;
675
676 case WM_ERASEBKGND:
677 if (btn_type == BS_OWNERDRAW)
678 {
679 HDC hdc = (HDC)wParam;
680 RECT rc;
681 HBRUSH hBrush;
682 HWND parent = GetParent(hWnd);
683 if (!parent) parent = hWnd;
684 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hdc, (LPARAM)hWnd);
685 if (!hBrush) /* did the app forget to call defwindowproc ? */
686 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORBTN,
687 (WPARAM)hdc, (LPARAM)hWnd);
688 GetClientRect(hWnd, &rc);
689 FillRect(hdc, &rc, hBrush);
690 }
691 return 1;
692
693 case WM_PRINTCLIENT:
694 case WM_PAINT:
695 {
696 PAINTSTRUCT ps;
697 HDC hdc;
698
699 theme = GetWindowTheme( hWnd );
700 hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
701
702 #ifdef __REACTOS__
703 if (theme && BUTTON_PaintWithTheme(theme, infoPtr, hdc, uMsg == WM_PRINTCLIENT ? lParam : 0))
704 {
705 if ( !wParam ) EndPaint( hWnd, &ps );
706 return 0;
707 }
708 #else
709 if (theme && btnThemedPaintFunc[btn_type])
710 {
711 ButtonState drawState;
712 UINT dtflags;
713
714 if (IsWindowEnabled( hWnd ))
715 {
716 if (infoPtr->state & BST_PUSHED) drawState = STATE_PRESSED;
717 else if (infoPtr->state & BST_HOT) drawState = STATE_HOT;
718 else if (infoPtr->state & BST_FOCUS) drawState = STATE_DEFAULTED;
719 else drawState = STATE_NORMAL;
720 }
721 else
722 drawState = STATE_DISABLED;
723
724 dtflags = BUTTON_BStoDT(style, GetWindowLongW(hWnd, GWL_EXSTYLE));
725 btnThemedPaintFunc[btn_type](theme, infoPtr, hdc, drawState, dtflags, infoPtr->state & BST_FOCUS);
726 }
727 #endif
728 else if (btnPaintFunc[btn_type])
729 {
730 int nOldMode = SetBkMode( hdc, OPAQUE );
731 btnPaintFunc[btn_type]( infoPtr, hdc, ODA_DRAWENTIRE );
732 SetBkMode(hdc, nOldMode); /* reset painting mode */
733 }
734
735 if ( !wParam ) EndPaint( hWnd, &ps );
736 break;
737 }
738
739 case WM_KEYDOWN:
740 if (wParam == VK_SPACE)
741 {
742 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
743 infoPtr->state |= BUTTON_BTNPRESSED;
744 SetCapture( hWnd );
745 }
746 break;
747
748 case WM_LBUTTONDBLCLK:
749 if(style & BS_NOTIFY ||
750 btn_type == BS_RADIOBUTTON ||
751 btn_type == BS_USERBUTTON ||
752 btn_type == BS_OWNERDRAW)
753 {
754 BUTTON_NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
755 break;
756 }
757 /* fall through */
758 case WM_LBUTTONDOWN:
759 SetCapture( hWnd );
760 SetFocus( hWnd );
761 infoPtr->state |= BUTTON_BTNPRESSED;
762 SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
763 break;
764
765 case WM_KEYUP:
766 if (wParam != VK_SPACE)
767 break;
768 /* fall through */
769 case WM_LBUTTONUP:
770 state = infoPtr->state;
771 if (!(state & BUTTON_BTNPRESSED)) break;
772 infoPtr->state &= BUTTON_NSTATES;
773 if (!(state & BST_PUSHED))
774 {
775 ReleaseCapture();
776 break;
777 }
778 SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
779 GetClientRect( hWnd, &rect );
780 if (uMsg == WM_KEYUP || PtInRect( &rect, pt ))
781 {
782 switch(btn_type)
783 {
784 case BS_AUTOCHECKBOX:
785 SendMessageW( hWnd, BM_SETCHECK, !(infoPtr->state & BST_CHECKED), 0 );
786 break;
787 case BS_AUTORADIOBUTTON:
788 SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 );
789 break;
790 case BS_AUTO3STATE:
791 SendMessageW( hWnd, BM_SETCHECK, (infoPtr->state & BST_INDETERMINATE) ? 0 :
792 ((infoPtr->state & 3) + 1), 0 );
793 break;
794 }
795 #ifdef __REACTOS__
796 // Fix CORE-10194, Notify parent after capture is released.
797 ReleaseCapture();
798 BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED);
799 #else
800 BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED);
801 ReleaseCapture();
802 #endif
803 }
804 else
805 {
806 ReleaseCapture();
807 }
808
809 break;
810
811 case WM_CAPTURECHANGED:
812 TRACE("WM_CAPTURECHANGED %p\n", hWnd);
813 if (hWnd == (HWND)lParam) break;
814 if (infoPtr->state & BUTTON_BTNPRESSED)
815 {
816 infoPtr->state &= BUTTON_NSTATES;
817 if (infoPtr->state & BST_PUSHED)
818 SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
819 }
820 break;
821
822 case WM_MOUSEMOVE:
823 {
824 TRACKMOUSEEVENT mouse_event;
825 mouse_event.cbSize = sizeof(TRACKMOUSEEVENT);
826 mouse_event.dwFlags = TME_QUERY;
827
828 #ifdef __REACTOS__
829 if ((infoPtr->state & BST_HOT) == 0)
830 {
831 NMBCHOTITEM nmhotitem;
832
833 infoPtr->state |= BST_HOT;
834
835 nmhotitem.hdr.hwndFrom = hWnd;
836 nmhotitem.hdr.idFrom = GetWindowLongPtrW (hWnd, GWLP_ID);
837 nmhotitem.hdr.code = BCN_HOTITEMCHANGE;
838 nmhotitem.dwFlags = HICF_ENTERING;
839 SendMessageW(GetParent(hWnd), WM_NOTIFY, nmhotitem.hdr.idFrom, (LPARAM)&nmhotitem);
840
841 InvalidateRect(hWnd, NULL, TRUE);
842 }
843
844 if(!TrackMouseEvent(&mouse_event) || !(mouse_event.dwFlags&TME_LEAVE))
845 {
846 mouse_event.dwFlags = TME_LEAVE;
847 mouse_event.hwndTrack = hWnd;
848 mouse_event.dwHoverTime = 1;
849 TrackMouseEvent(&mouse_event);
850 }
851 break;
852 #else
853
854 if (!TrackMouseEvent(&mouse_event) || !(mouse_event.dwFlags & (TME_HOVER | TME_LEAVE)))
855 {
856 mouse_event.dwFlags = TME_HOVER | TME_LEAVE;
857 mouse_event.hwndTrack = hWnd;
858 mouse_event.dwHoverTime = 1;
859 TrackMouseEvent(&mouse_event);
860 }
861
862 if ((wParam & MK_LBUTTON) && GetCapture() == hWnd)
863 {
864 GetClientRect( hWnd, &rect );
865 SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
866 }
867 break;
868 #endif
869 }
870
871 #ifndef __REACTOS__
872 case WM_MOUSEHOVER:
873 {
874 infoPtr->state |= BST_HOT;
875 InvalidateRect( hWnd, NULL, FALSE );
876 break;
877 }
878 #endif
879
880 case WM_MOUSELEAVE:
881 {
882 #ifdef __REACTOS__
883 if (infoPtr->state & BST_HOT)
884 {
885 NMBCHOTITEM nmhotitem;
886
887 infoPtr->state &= ~BST_HOT;
888
889 nmhotitem.hdr.hwndFrom = hWnd;
890 nmhotitem.hdr.idFrom = GetWindowLongPtrW (hWnd, GWLP_ID);
891 nmhotitem.hdr.code = BCN_HOTITEMCHANGE;
892 nmhotitem.dwFlags = HICF_LEAVING;
893 SendMessageW(GetParent(hWnd), WM_NOTIFY, nmhotitem.hdr.idFrom, (LPARAM)&nmhotitem);
894
895 InvalidateRect(hWnd, NULL, TRUE);
896 }
897 break;
898 #else
899 infoPtr->state &= ~BST_HOT;
900 InvalidateRect( hWnd, NULL, FALSE );
901 break;
902 #endif
903 }
904
905 #ifdef __REACTOS__
906 case BCM_GETTEXTMARGIN:
907 {
908 RECT* prc = (RECT*)lParam;
909 if (!prc)
910 return FALSE;
911 *prc = infoPtr->rcTextMargin;
912 return TRUE;
913 }
914 case BCM_SETTEXTMARGIN:
915 {
916 RECT* prc = (RECT*)lParam;
917 if (!prc)
918 return FALSE;
919 infoPtr->rcTextMargin = *prc;
920 return TRUE;
921 }
922 case BCM_SETIMAGELIST:
923 {
924 BUTTON_IMAGELIST * pimldata = (BUTTON_IMAGELIST *)lParam;
925 if (!pimldata || !pimldata->himl)
926 return FALSE;
927 infoPtr->imlData = *pimldata;
928 return TRUE;
929 }
930 case BCM_GETIMAGELIST:
931 {
932 BUTTON_IMAGELIST * pimldata = (BUTTON_IMAGELIST *)lParam;
933 if (!pimldata)
934 return FALSE;
935 *pimldata = infoPtr->imlData;
936 return TRUE;
937 }
938 case BCM_GETIDEALSIZE:
939 {
940 HTHEME theme = GetWindowTheme(hWnd);
941 BOOL ret = FALSE;
942 SIZE* pSize = (SIZE*)lParam;
943
944 if (!pSize)
945 {
946 return FALSE;
947 }
948
949 if (btn_type == BS_PUSHBUTTON ||
950 btn_type == BS_DEFPUSHBUTTON ||
951 btn_type == BS_USERBUTTON)
952 {
953 ret = BUTTON_GetIdealSize(infoPtr, theme, pSize);
954 }
955
956 if (!ret)
957 {
958 GetClientRect(hWnd, &rect);
959 pSize->cx = rect.right;
960 pSize->cy = rect.bottom;
961 }
962
963 return TRUE;
964 }
965 #endif
966
967 case WM_SETTEXT:
968 {
969 /* Clear an old text here as Windows does */
970 #ifdef __REACTOS__
971 //
972 // ReactOS Note :
973 // wine Bug: http://bugs.winehq.org/show_bug.cgi?id=25790
974 // Patch: http://source.winehq.org/patches/data/70889
975 // By: Alexander LAW, Replicate Windows behavior of WM_SETTEXT handler regarding WM_CTLCOLOR*
976 //
977 if (style & WS_VISIBLE)
978 #else
979 if (IsWindowVisible(hWnd))
980 #endif
981 {
982 HDC hdc = GetDC(hWnd);
983 HBRUSH hbrush;
984 RECT client, rc;
985 HWND parent = GetParent(hWnd);
986 UINT message = (btn_type == BS_PUSHBUTTON ||
987 btn_type == BS_DEFPUSHBUTTON ||
988 btn_type == BS_USERBUTTON ||
989 btn_type == BS_OWNERDRAW) ?
990 WM_CTLCOLORBTN : WM_CTLCOLORSTATIC;
991
992 if (!parent) parent = hWnd;
993 hbrush = (HBRUSH)SendMessageW(parent, message,
994 (WPARAM)hdc, (LPARAM)hWnd);
995 if (!hbrush) /* did the app forget to call DefWindowProc ? */
996 hbrush = (HBRUSH)DefWindowProcW(parent, message,
997 (WPARAM)hdc, (LPARAM)hWnd);
998
999 GetClientRect(hWnd, &client);
1000 rc = client;
1001 /* FIXME: check other BS_* handlers */
1002 if (btn_type == BS_GROUPBOX)
1003 InflateRect(&rc, -7, 1); /* GB_Paint does this */
1004 BUTTON_CalcLabelRect(infoPtr, hdc, &rc);
1005 /* Clip by client rect bounds */
1006 if (rc.right > client.right) rc.right = client.right;
1007 if (rc.bottom > client.bottom) rc.bottom = client.bottom;
1008 FillRect(hdc, &rc, hbrush);
1009 ReleaseDC(hWnd, hdc);
1010 }
1011
1012 DefWindowProcW( hWnd, WM_SETTEXT, wParam, lParam );
1013 if (btn_type == BS_GROUPBOX) /* Yes, only for BS_GROUPBOX */
1014 InvalidateRect( hWnd, NULL, TRUE );
1015 else
1016 paint_button( infoPtr, btn_type, ODA_DRAWENTIRE );
1017 return 1; /* success. FIXME: check text length */
1018 }
1019
1020 case WM_SETFONT:
1021 infoPtr->font = (HFONT)wParam;
1022 if (lParam) InvalidateRect(hWnd, NULL, TRUE);
1023 break;
1024
1025 case WM_GETFONT:
1026 return (LRESULT)infoPtr->font;
1027
1028 case WM_SETFOCUS:
1029 TRACE("WM_SETFOCUS %p\n",hWnd);
1030 infoPtr->state |= BST_FOCUS;
1031 #ifdef __REACTOS__
1032 if (btn_type != BS_OWNERDRAW)
1033 InvalidateRect(hWnd, NULL, FALSE);
1034 else
1035 #endif
1036 paint_button( infoPtr, btn_type, ODA_FOCUS );
1037 if (style & BS_NOTIFY)
1038 BUTTON_NOTIFY_PARENT(hWnd, BN_SETFOCUS);
1039 break;
1040
1041 case WM_KILLFOCUS:
1042 TRACE("WM_KILLFOCUS %p\n",hWnd);
1043 infoPtr->state &= ~BST_FOCUS;
1044 #ifndef __REACTOS__
1045 paint_button( infoPtr, btn_type, ODA_FOCUS );
1046 #endif
1047
1048 if ((infoPtr->state & BUTTON_BTNPRESSED) && GetCapture() == hWnd)
1049 ReleaseCapture();
1050 if (style & BS_NOTIFY)
1051 BUTTON_NOTIFY_PARENT(hWnd, BN_KILLFOCUS);
1052
1053 InvalidateRect( hWnd, NULL, FALSE );
1054 break;
1055
1056 case WM_SYSCOLORCHANGE:
1057 InvalidateRect( hWnd, NULL, FALSE );
1058 break;
1059
1060 case BM_SETSTYLE:
1061 btn_type = wParam & BS_TYPEMASK;
1062 style = (style & ~BS_TYPEMASK) | btn_type;
1063 SetWindowLongW( hWnd, GWL_STYLE, style );
1064
1065 /* Only redraw if lParam flag is set.*/
1066 if (lParam)
1067 InvalidateRect( hWnd, NULL, TRUE );
1068
1069 break;
1070
1071 case BM_CLICK:
1072 #ifdef __REACTOS__
1073 /* Fix for core CORE-6024 */
1074 if (infoPtr->state & BUTTON_BMCLICK)
1075 break;
1076 infoPtr->state |= BUTTON_BMCLICK;
1077 #endif
1078 SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 );
1079 SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 );
1080 #ifdef __REACTOS__
1081 infoPtr->state &= ~BUTTON_BMCLICK;
1082 #endif
1083 break;
1084
1085 case BM_SETIMAGE:
1086 /* Check that image format matches button style */
1087 switch (style & (BS_BITMAP|BS_ICON))
1088 {
1089 case BS_BITMAP:
1090 if (wParam != IMAGE_BITMAP) return 0;
1091 break;
1092 case BS_ICON:
1093 if (wParam != IMAGE_ICON) return 0;
1094 break;
1095 default:
1096 return 0;
1097 }
1098 oldHbitmap = infoPtr->u.image;
1099 infoPtr->u.image = (HANDLE)lParam;
1100 InvalidateRect( hWnd, NULL, FALSE );
1101 return (LRESULT)oldHbitmap;
1102
1103 case BM_GETIMAGE:
1104 return (LRESULT)infoPtr->u.image;
1105
1106 case BM_GETCHECK:
1107 return infoPtr->state & 3;
1108
1109 case BM_SETCHECK:
1110 if (wParam > maxCheckState[btn_type]) wParam = maxCheckState[btn_type];
1111 if ((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON))
1112 {
1113 style = wParam ? style | WS_TABSTOP : style & ~WS_TABSTOP;
1114 SetWindowLongW( hWnd, GWL_STYLE, style );
1115 }
1116 if ((infoPtr->state & 3) != wParam)
1117 {
1118 infoPtr->state = (infoPtr->state & ~3) | wParam;
1119 InvalidateRect( hWnd, NULL, FALSE );
1120 }
1121 if ((btn_type == BS_AUTORADIOBUTTON) && (wParam == BST_CHECKED) && (style & WS_CHILD))
1122 BUTTON_CheckAutoRadioButton( hWnd );
1123 break;
1124
1125 case BM_GETSTATE:
1126 return infoPtr->state;
1127
1128 case BM_SETSTATE:
1129 state = infoPtr->state;
1130 new_state = wParam ? BST_PUSHED : 0;
1131
1132 if ((state ^ new_state) & BST_PUSHED)
1133 {
1134 if (wParam)
1135 state |= BST_PUSHED;
1136 else
1137 state &= ~BST_PUSHED;
1138
1139 if (btn_type == BS_USERBUTTON)
1140 BUTTON_NOTIFY_PARENT( hWnd, (state & BST_PUSHED) ? BN_HILITE : BN_UNHILITE );
1141 infoPtr->state = state;
1142
1143 InvalidateRect( hWnd, NULL, FALSE );
1144 }
1145 break;
1146
1147 #ifdef __REACTOS__
1148 case WM_UPDATEUISTATE:
1149 DefWindowProcW(hWnd, uMsg, wParam, lParam);
1150
1151 if (button_update_uistate(infoPtr))
1152 paint_button( infoPtr, btn_type, ODA_DRAWENTIRE );
1153 break;
1154 #endif
1155
1156 case WM_NCHITTEST:
1157 if(btn_type == BS_GROUPBOX) return HTTRANSPARENT;
1158 /* fall through */
1159 default:
1160 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
1161 }
1162 return 0;
1163 }
1164
1165 /**********************************************************************
1166 * BUTTON_CalcLabelRect
1167 *
1168 * Calculates label's rectangle depending on button style.
1169 *
1170 * Returns flags to be passed to DrawText.
1171 * Calculated rectangle doesn't take into account button state
1172 * (pushed, etc.). If there is nothing to draw (no text/image) output
1173 * rectangle is empty, and return value is (UINT)-1.
1174 */
1175 static UINT BUTTON_CalcLabelRect(const BUTTON_INFO *infoPtr, HDC hdc, RECT *rc)
1176 {
1177 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1178 LONG ex_style = GetWindowLongW( infoPtr->hwnd, GWL_EXSTYLE );
1179 WCHAR *text;
1180 ICONINFO iconInfo;
1181 BITMAP bm;
1182 UINT dtStyle = BUTTON_BStoDT( style, ex_style );
1183 RECT r = *rc;
1184 INT n;
1185 #ifdef __REACTOS__
1186 BOOL bHasIml = BUTTON_DrawIml(hdc, &infoPtr->imlData, &r, TRUE, 0);
1187 #endif
1188
1189 /* Calculate label rectangle according to label type */
1190 switch (style & (BS_ICON|BS_BITMAP))
1191 {
1192 case BS_TEXT:
1193 {
1194 HFONT hFont, hPrevFont = 0;
1195
1196 if (!(text = get_button_text( infoPtr ))) goto empty_rect;
1197 if (!text[0])
1198 {
1199 heap_free( text );
1200 goto empty_rect;
1201 }
1202
1203 if ((hFont = infoPtr->font)) hPrevFont = SelectObject( hdc, hFont );
1204 DrawTextW(hdc, text, -1, &r, dtStyle | DT_CALCRECT);
1205 if (hPrevFont) SelectObject( hdc, hPrevFont );
1206 heap_free( text );
1207 #ifdef __REACTOS__
1208 if (infoPtr->ui_state & UISF_HIDEACCEL)
1209 dtStyle |= DT_HIDEPREFIX;
1210 #endif
1211 break;
1212 }
1213
1214 case BS_ICON:
1215 if (!GetIconInfo(infoPtr->u.icon, &iconInfo))
1216 goto empty_rect;
1217
1218 GetObjectW (iconInfo.hbmColor, sizeof(BITMAP), &bm);
1219
1220 r.right = r.left + bm.bmWidth;
1221 r.bottom = r.top + bm.bmHeight;
1222
1223 DeleteObject(iconInfo.hbmColor);
1224 DeleteObject(iconInfo.hbmMask);
1225 break;
1226
1227 case BS_BITMAP:
1228 if (!GetObjectW( infoPtr->u.bitmap, sizeof(BITMAP), &bm))
1229 goto empty_rect;
1230
1231 r.right = r.left + bm.bmWidth;
1232 r.bottom = r.top + bm.bmHeight;
1233 break;
1234
1235 default:
1236 empty_rect:
1237 #ifdef __REACTOS__
1238 if (bHasIml)
1239 break;
1240 #endif
1241 rc->right = r.left;
1242 rc->bottom = r.top;
1243 return (UINT)-1;
1244 }
1245
1246 #ifdef __REACTOS__
1247 if (bHasIml)
1248 {
1249 if (infoPtr->imlData.uAlign == BUTTON_IMAGELIST_ALIGN_LEFT)
1250 r.left = infoPtr->imlData.margin.left;
1251 else if (infoPtr->imlData.uAlign == BUTTON_IMAGELIST_ALIGN_RIGHT)
1252 r.right = infoPtr->imlData.margin.right;
1253 else if (infoPtr->imlData.uAlign == BUTTON_IMAGELIST_ALIGN_TOP)
1254 r.top = infoPtr->imlData.margin.top;
1255 else if (infoPtr->imlData.uAlign == BUTTON_IMAGELIST_ALIGN_BOTTOM)
1256 r.bottom = infoPtr->imlData.margin.bottom;
1257 }
1258 #endif
1259
1260 /* Position label inside bounding rectangle according to
1261 * alignment flags. (calculated rect is always left-top aligned).
1262 * If label is aligned to any side - shift label in opposite
1263 * direction to leave extra space for focus rectangle.
1264 */
1265 switch (dtStyle & (DT_CENTER|DT_RIGHT))
1266 {
1267 case DT_LEFT: r.left++; r.right++; break;
1268 case DT_CENTER: n = r.right - r.left;
1269 r.left = rc->left + ((rc->right - rc->left) - n) / 2;
1270 r.right = r.left + n; break;
1271 case DT_RIGHT: n = r.right - r.left;
1272 r.right = rc->right - 1;
1273 r.left = r.right - n;
1274 break;
1275 }
1276
1277 switch (dtStyle & (DT_VCENTER|DT_BOTTOM))
1278 {
1279 case DT_TOP: r.top++; r.bottom++; break;
1280 case DT_VCENTER: n = r.bottom - r.top;
1281 #ifdef __REACTOS__
1282 r.top = rc->top + ((rc->bottom - 1 - rc->top) - n) / 2;
1283 #else
1284 r.top = rc->top + ((rc->bottom - rc->top) - n) / 2;
1285 #endif
1286 r.bottom = r.top + n; break;
1287 case DT_BOTTOM: n = r.bottom - r.top;
1288 r.bottom = rc->bottom - 1;
1289 r.top = r.bottom - n;
1290 break;
1291 }
1292
1293 *rc = r;
1294 return dtStyle;
1295 }
1296
1297
1298 /**********************************************************************
1299 * BUTTON_DrawTextCallback
1300 *
1301 * Callback function used by DrawStateW function.
1302 */
1303 static BOOL CALLBACK BUTTON_DrawTextCallback(HDC hdc, LPARAM lp, WPARAM wp, int cx, int cy)
1304 {
1305 RECT rc;
1306
1307 SetRect(&rc, 0, 0, cx, cy);
1308 DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp);
1309 return TRUE;
1310 }
1311
1312
1313 /**********************************************************************
1314 * BUTTON_DrawLabel
1315 *
1316 * Common function for drawing button label.
1317 */
1318 static void BUTTON_DrawLabel(const BUTTON_INFO *infoPtr, HDC hdc, UINT dtFlags, const RECT *rc)
1319 {
1320 DRAWSTATEPROC lpOutputProc = NULL;
1321 LPARAM lp;
1322 WPARAM wp = 0;
1323 HBRUSH hbr = 0;
1324 UINT flags = IsWindowEnabled(infoPtr->hwnd) ? DSS_NORMAL : DSS_DISABLED;
1325 LONG state = infoPtr->state;
1326 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1327 WCHAR *text = NULL;
1328
1329 /* FIXME: To draw disabled label in Win31 look-and-feel, we probably
1330 * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION).
1331 * I don't have Win31 on hand to verify that, so I leave it as is.
1332 */
1333
1334 #ifdef __REACTOS__
1335 RECT rcText = *rc;
1336 BUTTON_DrawIml(hdc, &infoPtr->imlData, &rcText, FALSE, 0);
1337 #endif
1338
1339 if ((style & BS_PUSHLIKE) && (state & BST_INDETERMINATE))
1340 {
1341 hbr = GetSysColorBrush(COLOR_GRAYTEXT);
1342 flags |= DSS_MONO;
1343 }
1344
1345 switch (style & (BS_ICON|BS_BITMAP))
1346 {
1347 case BS_TEXT:
1348 /* DST_COMPLEX -- is 0 */
1349 lpOutputProc = BUTTON_DrawTextCallback;
1350 if (!(text = get_button_text( infoPtr ))) return;
1351 lp = (LPARAM)text;
1352 wp = dtFlags;
1353 #ifdef __REACTOS__
1354 if (dtFlags & DT_HIDEPREFIX)
1355 flags |= DSS_HIDEPREFIX;
1356 #endif
1357 break;
1358
1359 case BS_ICON:
1360 flags |= DST_ICON;
1361 lp = (LPARAM)infoPtr->u.icon;
1362 break;
1363
1364 case BS_BITMAP:
1365 flags |= DST_BITMAP;
1366 lp = (LPARAM)infoPtr->u.bitmap;
1367 break;
1368
1369 default:
1370 return;
1371 }
1372
1373 #ifdef __REACTOS__
1374 DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rcText.left, rcText.top,
1375 rcText.right - rcText.left, rcText.bottom - rcText.top, flags);
1376 #else
1377 DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rc->left, rc->top,
1378 rc->right - rc->left, rc->bottom - rc->top, flags);
1379 #endif
1380 heap_free( text );
1381 }
1382
1383 /**********************************************************************
1384 * Push Button Functions
1385 */
1386 static void PB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1387 {
1388 RECT rc, r;
1389 UINT dtFlags, uState;
1390 HPEN hOldPen, hpen;
1391 HBRUSH hOldBrush;
1392 INT oldBkMode;
1393 COLORREF oldTxtColor;
1394 HFONT hFont;
1395 LONG state = infoPtr->state;
1396 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1397 BOOL pushedState = (state & BST_PUSHED);
1398 HWND parent;
1399 HRGN hrgn;
1400 #ifdef __REACTOS__
1401 DWORD cdrf;
1402 #endif
1403
1404 GetClientRect( infoPtr->hwnd, &rc );
1405
1406 /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
1407 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1408 parent = GetParent(infoPtr->hwnd);
1409 if (!parent) parent = infoPtr->hwnd;
1410 SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
1411
1412 hrgn = set_control_clipping( hDC, &rc );
1413
1414 hpen = CreatePen( PS_SOLID, 1, GetSysColor(COLOR_WINDOWFRAME));
1415 hOldPen = SelectObject(hDC, hpen);
1416 hOldBrush = SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
1417 oldBkMode = SetBkMode(hDC, TRANSPARENT);
1418
1419 #ifdef __REACTOS__
1420 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREERASE, &rc);
1421 if (cdrf == CDRF_SKIPDEFAULT)
1422 goto cleanup;
1423 #endif
1424
1425 if (get_button_type(style) == BS_DEFPUSHBUTTON)
1426 {
1427 if (action != ODA_FOCUS)
1428 Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
1429 InflateRect( &rc, -1, -1 );
1430 }
1431
1432 /* completely skip the drawing if only focus has changed */
1433 if (action == ODA_FOCUS) goto draw_focus;
1434
1435 uState = DFCS_BUTTONPUSH;
1436
1437 if (style & BS_FLAT)
1438 uState |= DFCS_MONO;
1439 else if (pushedState)
1440 {
1441 if (get_button_type(style) == BS_DEFPUSHBUTTON )
1442 uState |= DFCS_FLAT;
1443 else
1444 uState |= DFCS_PUSHED;
1445 }
1446
1447 if (state & (BST_CHECKED | BST_INDETERMINATE))
1448 uState |= DFCS_CHECKED;
1449
1450 DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
1451
1452 #ifdef __REACTOS__
1453 if (cdrf == CDRF_NOTIFYPOSTERASE)
1454 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTERASE, &rc);
1455
1456 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREPAINT, &rc);
1457 if (cdrf == CDRF_SKIPDEFAULT)
1458 goto cleanup;
1459 #endif
1460
1461 /* draw button label */
1462 r = rc;
1463 dtFlags = BUTTON_CalcLabelRect(infoPtr, hDC, &r);
1464
1465 if (dtFlags == (UINT)-1L)
1466 goto cleanup;
1467
1468 if (pushedState)
1469 OffsetRect(&r, 1, 1);
1470
1471 oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) );
1472
1473 BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &r);
1474
1475 SetTextColor( hDC, oldTxtColor );
1476
1477 #ifdef __REACTOS__
1478 if (cdrf == CDRF_NOTIFYPOSTPAINT)
1479 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTPAINT, &rc);
1480 #endif
1481
1482 draw_focus:
1483 if (action == ODA_FOCUS || (state & BST_FOCUS))
1484 {
1485 #ifdef __REACTOS__
1486 if (!(infoPtr->ui_state & UISF_HIDEFOCUS))
1487 {
1488 #endif
1489 InflateRect( &rc, -2, -2 );
1490 DrawFocusRect( hDC, &rc );
1491 #ifdef __REACTOS__
1492 }
1493 #endif
1494 }
1495
1496 cleanup:
1497 SelectObject( hDC, hOldPen );
1498 SelectObject( hDC, hOldBrush );
1499 SetBkMode(hDC, oldBkMode);
1500 SelectClipRgn( hDC, hrgn );
1501 if (hrgn) DeleteObject( hrgn );
1502 DeleteObject( hpen );
1503 }
1504
1505 /**********************************************************************
1506 * Check Box & Radio Button Functions
1507 */
1508
1509 static void CB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1510 {
1511 RECT rbox, rtext, client;
1512 HBRUSH hBrush;
1513 int delta, text_offset, checkBoxWidth, checkBoxHeight;
1514 UINT dtFlags;
1515 HFONT hFont;
1516 LONG state = infoPtr->state;
1517 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1518 LONG ex_style = GetWindowLongW( infoPtr->hwnd, GWL_EXSTYLE );
1519 HWND parent;
1520 HRGN hrgn;
1521
1522 if (style & BS_PUSHLIKE)
1523 {
1524 PB_Paint( infoPtr, hDC, action );
1525 return;
1526 }
1527
1528 GetClientRect(infoPtr->hwnd, &client);
1529 rbox = rtext = client;
1530
1531 checkBoxWidth = 12 * GetDeviceCaps( hDC, LOGPIXELSX ) / 96 + 1;
1532 checkBoxHeight = 12 * GetDeviceCaps( hDC, LOGPIXELSY ) / 96 + 1;
1533
1534 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1535 GetCharWidthW( hDC, '0', '0', &text_offset );
1536 text_offset /= 2;
1537
1538 parent = GetParent(infoPtr->hwnd);
1539 if (!parent) parent = infoPtr->hwnd;
1540 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1541 if (!hBrush) /* did the app forget to call defwindowproc ? */
1542 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1543 hrgn = set_control_clipping( hDC, &client );
1544
1545 if (style & BS_LEFTTEXT || ex_style & WS_EX_RIGHT)
1546 {
1547 rtext.right -= checkBoxWidth + text_offset;
1548 rbox.left = rbox.right - checkBoxWidth;
1549 }
1550 else
1551 {
1552 rtext.left += checkBoxWidth + text_offset;
1553 rbox.right = checkBoxWidth;
1554 }
1555
1556 /* Since WM_ERASEBKGND does nothing, first prepare background */
1557 if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
1558 if (action == ODA_DRAWENTIRE) FillRect( hDC, &client, hBrush );
1559
1560 /* Draw label */
1561 client = rtext;
1562 dtFlags = BUTTON_CalcLabelRect(infoPtr, hDC, &rtext);
1563
1564 /* Only adjust rbox when rtext is valid */
1565 if (dtFlags != (UINT)-1L)
1566 {
1567 rbox.top = rtext.top;
1568 rbox.bottom = rtext.bottom;
1569 }
1570
1571 /* Draw the check-box bitmap */
1572 if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
1573 {
1574 UINT flags;
1575
1576 if ((get_button_type(style) == BS_RADIOBUTTON) ||
1577 (get_button_type(style) == BS_AUTORADIOBUTTON)) flags = DFCS_BUTTONRADIO;
1578 else if (state & BST_INDETERMINATE) flags = DFCS_BUTTON3STATE;
1579 else flags = DFCS_BUTTONCHECK;
1580
1581 if (state & (BST_CHECKED | BST_INDETERMINATE)) flags |= DFCS_CHECKED;
1582 if (state & BST_PUSHED) flags |= DFCS_PUSHED;
1583
1584 if (style & WS_DISABLED) flags |= DFCS_INACTIVE;
1585
1586 /* rbox must have the correct height */
1587 delta = rbox.bottom - rbox.top - checkBoxHeight;
1588
1589 if (style & BS_TOP) {
1590 if (delta > 0) {
1591 rbox.bottom = rbox.top + checkBoxHeight;
1592 } else {
1593 rbox.top -= -delta/2 + 1;
1594 rbox.bottom = rbox.top + checkBoxHeight;
1595 }
1596 } else if (style & BS_BOTTOM) {
1597 if (delta > 0) {
1598 rbox.top = rbox.bottom - checkBoxHeight;
1599 } else {
1600 rbox.bottom += -delta/2 + 1;
1601 rbox.top = rbox.bottom - checkBoxHeight;
1602 }
1603 } else { /* Default */
1604 if (delta > 0) {
1605 int ofs = (delta / 2);
1606 rbox.bottom -= ofs + 1;
1607 rbox.top = rbox.bottom - checkBoxHeight;
1608 } else if (delta < 0) {
1609 int ofs = (-delta / 2);
1610 rbox.top -= ofs + 1;
1611 rbox.bottom = rbox.top + checkBoxHeight;
1612 }
1613 }
1614
1615 DrawFrameControl( hDC, &rbox, DFC_BUTTON, flags );
1616 }
1617
1618 if (dtFlags == (UINT)-1L) /* Noting to draw */
1619 return;
1620
1621 if (action == ODA_DRAWENTIRE)
1622 BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &rtext);
1623
1624 /* ... and focus */
1625 if (action == ODA_FOCUS || (state & BST_FOCUS))
1626 {
1627 rtext.left--;
1628 rtext.right++;
1629 IntersectRect(&rtext, &rtext, &client);
1630 DrawFocusRect( hDC, &rtext );
1631 }
1632 SelectClipRgn( hDC, hrgn );
1633 if (hrgn) DeleteObject( hrgn );
1634 }
1635
1636
1637 /**********************************************************************
1638 * BUTTON_CheckAutoRadioButton
1639 *
1640 * hwnd is checked, uncheck every other auto radio button in group
1641 */
1642 static void BUTTON_CheckAutoRadioButton( HWND hwnd )
1643 {
1644 HWND parent, sibling, start;
1645
1646 parent = GetParent(hwnd);
1647 /* make sure that starting control is not disabled or invisible */
1648 start = sibling = GetNextDlgGroupItem( parent, hwnd, TRUE );
1649 do
1650 {
1651 if (!sibling) break;
1652 if ((hwnd != sibling) &&
1653 ((GetWindowLongW( sibling, GWL_STYLE) & BS_TYPEMASK) == BS_AUTORADIOBUTTON))
1654 SendMessageW( sibling, BM_SETCHECK, BST_UNCHECKED, 0 );
1655 sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
1656 } while (sibling != start);
1657 }
1658
1659
1660 /**********************************************************************
1661 * Group Box Functions
1662 */
1663
1664 static void GB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1665 {
1666 RECT rc, rcFrame;
1667 HBRUSH hbr;
1668 HFONT hFont;
1669 UINT dtFlags;
1670 TEXTMETRICW tm;
1671 LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE );
1672 HWND parent;
1673 HRGN hrgn;
1674
1675 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1676 /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */
1677 parent = GetParent(infoPtr->hwnd);
1678 if (!parent) parent = infoPtr->hwnd;
1679 hbr = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1680 if (!hbr) /* did the app forget to call defwindowproc ? */
1681 hbr = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1682 GetClientRect( infoPtr->hwnd, &rc);
1683 rcFrame = rc;
1684 hrgn = set_control_clipping( hDC, &rc );
1685
1686 GetTextMetricsW (hDC, &tm);
1687 rcFrame.top += (tm.tmHeight / 2) - 1;
1688 DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT | ((style & BS_FLAT) ? BF_FLAT : 0));
1689
1690 InflateRect(&rc, -7, 1);
1691 dtFlags = BUTTON_CalcLabelRect(infoPtr, hDC, &rc);
1692
1693 if (dtFlags != (UINT)-1)
1694 {
1695 /* Because buttons have CS_PARENTDC class style, there is a chance
1696 * that label will be drawn out of client rect.
1697 * But Windows doesn't clip label's rect, so do I.
1698 */
1699
1700 /* There is 1-pixel margin at the left, right, and bottom */
1701 rc.left--; rc.right++; rc.bottom++;
1702 FillRect(hDC, &rc, hbr);
1703 rc.left++; rc.right--; rc.bottom--;
1704
1705 BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &rc);
1706 }
1707 SelectClipRgn( hDC, hrgn );
1708 if (hrgn) DeleteObject( hrgn );
1709 }
1710
1711
1712 /**********************************************************************
1713 * User Button Functions
1714 */
1715
1716 static void UB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1717 {
1718 RECT rc;
1719 HBRUSH hBrush;
1720 HFONT hFont;
1721 LONG state = infoPtr->state;
1722 HWND parent;
1723
1724 GetClientRect( infoPtr->hwnd, &rc);
1725
1726 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1727
1728 parent = GetParent(infoPtr->hwnd);
1729 if (!parent) parent = infoPtr->hwnd;
1730 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1731 if (!hBrush) /* did the app forget to call defwindowproc ? */
1732 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1733
1734 FillRect( hDC, &rc, hBrush );
1735 if (action == ODA_FOCUS || (state & BST_FOCUS))
1736 DrawFocusRect( hDC, &rc );
1737
1738 switch (action)
1739 {
1740 case ODA_FOCUS:
1741 BUTTON_NOTIFY_PARENT( infoPtr->hwnd, (state & BST_FOCUS) ? BN_SETFOCUS : BN_KILLFOCUS );
1742 break;
1743
1744 case ODA_SELECT:
1745 BUTTON_NOTIFY_PARENT( infoPtr->hwnd, (state & BST_PUSHED) ? BN_HILITE : BN_UNHILITE );
1746 break;
1747
1748 default:
1749 break;
1750 }
1751 }
1752
1753
1754 /**********************************************************************
1755 * Ownerdrawn Button Functions
1756 */
1757
1758 static void OB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
1759 {
1760 LONG state = infoPtr->state;
1761 DRAWITEMSTRUCT dis;
1762 LONG_PTR id = GetWindowLongPtrW( infoPtr->hwnd, GWLP_ID );
1763 HWND parent;
1764 HFONT hFont;
1765 HRGN hrgn;
1766
1767 dis.CtlType = ODT_BUTTON;
1768 dis.CtlID = id;
1769 dis.itemID = 0;
1770 dis.itemAction = action;
1771 dis.itemState = ((state & BST_FOCUS) ? ODS_FOCUS : 0) |
1772 ((state & BST_PUSHED) ? ODS_SELECTED : 0) |
1773 (IsWindowEnabled(infoPtr->hwnd) ? 0: ODS_DISABLED);
1774 dis.hwndItem = infoPtr->hwnd;
1775 dis.hDC = hDC;
1776 dis.itemData = 0;
1777 GetClientRect( infoPtr->hwnd, &dis.rcItem );
1778
1779 if ((hFont = infoPtr->font)) SelectObject( hDC, hFont );
1780 parent = GetParent(infoPtr->hwnd);
1781 if (!parent) parent = infoPtr->hwnd;
1782 SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
1783
1784 hrgn = set_control_clipping( hDC, &dis.rcItem );
1785
1786 SendMessageW( GetParent(infoPtr->hwnd), WM_DRAWITEM, id, (LPARAM)&dis );
1787 SelectClipRgn( hDC, hrgn );
1788 if (hrgn) DeleteObject( hrgn );
1789 }
1790
1791 #ifdef __REACTOS__ /* r73885 */
1792 static void PB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
1793 #else
1794 static void PB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused)
1795 #endif
1796 {
1797 static const int states[] = { PBS_NORMAL, PBS_DISABLED, PBS_HOT, PBS_PRESSED, PBS_DEFAULTED };
1798
1799 RECT bgRect, textRect;
1800 HFONT font = infoPtr->font;
1801 HFONT hPrevFont = font ? SelectObject(hDC, font) : NULL;
1802 int state = states[ drawState ];
1803 WCHAR *text = get_button_text(infoPtr);
1804 #ifdef __REACTOS__
1805 HWND parent;
1806 DWORD cdrf;
1807
1808 GetClientRect(infoPtr->hwnd, &bgRect);
1809 GetThemeBackgroundContentRect(theme, hDC, BP_PUSHBUTTON, state, &bgRect, &textRect);
1810
1811 if (prfFlag == 0)
1812 {
1813 if (IsThemeBackgroundPartiallyTransparent(theme, BP_PUSHBUTTON, state))
1814 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
1815 }
1816
1817 parent = GetParent(infoPtr->hwnd);
1818 if (!parent) parent = infoPtr->hwnd;
1819 SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
1820
1821 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREERASE, &bgRect);
1822 if (cdrf == CDRF_SKIPDEFAULT)
1823 goto cleanup;
1824
1825 DrawThemeBackground(theme, hDC, BP_PUSHBUTTON, state, &bgRect, NULL);
1826
1827 if (cdrf == CDRF_NOTIFYPOSTERASE)
1828 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTERASE, &bgRect);
1829
1830 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREPAINT, &bgRect);
1831 if (cdrf == CDRF_SKIPDEFAULT)
1832 goto cleanup;
1833
1834 BUTTON_DrawIml(hDC, &infoPtr->imlData, &textRect, FALSE, drawState);
1835 #else
1836 GetClientRect(infoPtr->hwnd, &bgRect);
1837 GetThemeBackgroundContentRect(theme, hDC, BP_PUSHBUTTON, state, &bgRect, &textRect);
1838
1839 if (IsThemeBackgroundPartiallyTransparent(theme, BP_PUSHBUTTON, state))
1840 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
1841
1842 DrawThemeBackground(theme, hDC, BP_PUSHBUTTON, state, &bgRect, NULL);
1843 #endif
1844
1845 if (text)
1846 {
1847 DrawThemeText(theme, hDC, BP_PUSHBUTTON, state, text, lstrlenW(text), dtFlags, 0, &textRect);
1848 heap_free(text);
1849 #ifdef __REACTOS__
1850 text = NULL;
1851 #endif
1852 }
1853
1854 if (focused)
1855 {
1856 MARGINS margins;
1857 RECT focusRect = bgRect;
1858
1859 GetThemeMargins(theme, hDC, BP_PUSHBUTTON, state, TMT_CONTENTMARGINS, NULL, &margins);
1860
1861 focusRect.left += margins.cxLeftWidth;
1862 focusRect.top += margins.cyTopHeight;
1863 focusRect.right -= margins.cxRightWidth;
1864 focusRect.bottom -= margins.cyBottomHeight;
1865
1866 DrawFocusRect( hDC, &focusRect );
1867 }
1868
1869 #ifdef __REACTOS__
1870 if (cdrf == CDRF_NOTIFYPOSTPAINT)
1871 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTPAINT, &bgRect);
1872 cleanup:
1873 if (text) heap_free(text);
1874 #endif
1875 if (hPrevFont) SelectObject(hDC, hPrevFont);
1876 }
1877
1878 #ifdef __REACTOS__ /* r73885 */
1879 static void CB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
1880 #else
1881 static void CB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused)
1882 #endif
1883 {
1884 static const int cb_states[3][5] =
1885 {
1886 { CBS_UNCHECKEDNORMAL, CBS_UNCHECKEDHOT, CBS_UNCHECKEDPRESSED, CBS_UNCHECKEDDISABLED, CBS_UNCHECKEDNORMAL },
1887 { CBS_CHECKEDNORMAL, CBS_CHECKEDHOT, CBS_CHECKEDPRESSED, CBS_CHECKEDDISABLED, CBS_CHECKEDNORMAL },
1888 { CBS_MIXEDNORMAL, CBS_MIXEDHOT, CBS_MIXEDPRESSED, CBS_MIXEDDISABLED, CBS_MIXEDNORMAL }
1889 };
1890
1891 static const int rb_states[2][5] =
1892 {
1893 { RBS_UNCHECKEDNORMAL, RBS_UNCHECKEDHOT, RBS_UNCHECKEDPRESSED, RBS_UNCHECKEDDISABLED, RBS_UNCHECKEDNORMAL },
1894 { RBS_CHECKEDNORMAL, RBS_CHECKEDHOT, RBS_CHECKEDPRESSED, RBS_CHECKEDDISABLED, RBS_CHECKEDNORMAL }
1895 };
1896
1897 SIZE sz;
1898 RECT bgRect, textRect;
1899 HFONT font, hPrevFont = NULL;
1900 int checkState = infoPtr->state & 3;
1901 DWORD dwStyle = GetWindowLongW(infoPtr->hwnd, GWL_STYLE);
1902 UINT btn_type = get_button_type( dwStyle );
1903 int part = (btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON) ? BP_RADIOBUTTON : BP_CHECKBOX;
1904 int state = (part == BP_CHECKBOX)
1905 ? cb_states[ checkState ][ drawState ]
1906 : rb_states[ checkState ][ drawState ];
1907 WCHAR *text = get_button_text(infoPtr);
1908 LOGFONTW lf;
1909 BOOL created_font = FALSE;
1910 #ifdef __REACTOS__
1911 HWND parent;
1912 HBRUSH hBrush;
1913 DWORD cdrf;
1914 #endif
1915
1916 HRESULT hr = GetThemeFont(theme, hDC, part, state, TMT_FONT, &lf);
1917 if (SUCCEEDED(hr)) {
1918 font = CreateFontIndirectW(&lf);
1919 if (!font)
1920 TRACE("Failed to create font\n");
1921 else {
1922 TRACE("font = %s\n", debugstr_w(lf.lfFaceName));
1923 hPrevFont = SelectObject(hDC, font);
1924 created_font = TRUE;
1925 }
1926 } else {
1927 #ifdef __REACTOS__ /* r73885 */
1928 font = infoPtr->font;
1929 #else
1930 font = (HFONT)SendMessageW(infoPtr->hwnd, WM_GETFONT, 0, 0);
1931 #endif
1932 hPrevFont = SelectObject(hDC, font);
1933 }
1934
1935 if (FAILED(GetThemePartSize(theme, hDC, part, state, NULL, TS_DRAW, &sz)))
1936 sz.cx = sz.cy = 13;
1937
1938 GetClientRect(infoPtr->hwnd, &bgRect);
1939
1940 #ifdef __REACTOS__
1941 if (prfFlag == 0)
1942 {
1943 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
1944 }
1945
1946 parent = GetParent(infoPtr->hwnd);
1947 if (!parent) parent = infoPtr->hwnd;
1948 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC,
1949 (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
1950 if (!hBrush) /* did the app forget to call defwindowproc ? */
1951 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC,
1952 (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
1953 FillRect( hDC, &bgRect, hBrush );
1954
1955 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREERASE, &bgRect);
1956 if (cdrf == CDRF_SKIPDEFAULT)
1957 goto cleanup;
1958 #endif
1959
1960 GetThemeBackgroundContentRect(theme, hDC, part, state, &bgRect, &textRect);
1961
1962 if (dtFlags & DT_SINGLELINE) /* Center the checkbox / radio button to the text. */
1963 bgRect.top = bgRect.top + (textRect.bottom - textRect.top - sz.cy) / 2;
1964
1965 /* adjust for the check/radio marker */
1966 bgRect.bottom = bgRect.top + sz.cy;
1967 bgRect.right = bgRect.left + sz.cx;
1968 textRect.left = bgRect.right + 6;
1969
1970 #ifdef __REACTOS__
1971 DrawThemeBackground(theme, hDC, part, state, &bgRect, NULL);
1972
1973 if (cdrf == CDRF_NOTIFYPOSTERASE)
1974 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTERASE, &bgRect);
1975
1976 cdrf = BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_PREPAINT, &bgRect);
1977 if (cdrf == CDRF_SKIPDEFAULT)
1978 goto cleanup;
1979
1980 #else
1981 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
1982 DrawThemeBackground(theme, hDC, part, state, &bgRect, NULL);
1983 #endif
1984 if (text)
1985 {
1986 DrawThemeText(theme, hDC, part, state, text, lstrlenW(text), dtFlags, 0, &textRect);
1987
1988 if (focused)
1989 {
1990 RECT focusRect;
1991
1992 focusRect = textRect;
1993
1994 DrawTextW(hDC, text, lstrlenW(text), &focusRect, dtFlags | DT_CALCRECT);
1995
1996 if (focusRect.right < textRect.right) focusRect.right++;
1997 focusRect.bottom = textRect.bottom;
1998
1999 DrawFocusRect( hDC, &focusRect );
2000 }
2001
2002 heap_free(text);
2003 #ifdef __REACTOS__
2004 text = NULL;
2005 #endif
2006 }
2007
2008 #ifdef __REACTOS__
2009 if (cdrf == CDRF_NOTIFYPOSTPAINT)
2010 BUTTON_SendCustomDraw(infoPtr, hDC, CDDS_POSTPAINT, &bgRect);
2011 cleanup:
2012 if (text) heap_free(text);
2013 #endif
2014 if (created_font) DeleteObject(font);
2015 if (hPrevFont) SelectObject(hDC, hPrevFont);
2016 }
2017
2018 #ifdef __REACTOS__ /* r73885 */
2019 static void GB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
2020 #else
2021 static void GB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused)
2022 #endif
2023 {
2024 static const int states[] = { GBS_NORMAL, GBS_DISABLED, GBS_NORMAL, GBS_NORMAL, GBS_NORMAL };
2025
2026 RECT bgRect, textRect, contentRect;
2027 int state = states[ drawState ];
2028 WCHAR *text = get_button_text(infoPtr);
2029 LOGFONTW lf;
2030 HFONT font, hPrevFont = NULL;
2031 BOOL created_font = FALSE;
2032 #ifdef __REACTOS__ /* r74406 */
2033 HWND parent;
2034 HBRUSH hBrush;
2035 RECT clientRect;
2036 #endif
2037
2038 HRESULT hr = GetThemeFont(theme, hDC, BP_GROUPBOX, state, TMT_FONT, &lf);
2039 if (SUCCEEDED(hr)) {
2040 font = CreateFontIndirectW(&lf);
2041 if (!font)
2042 TRACE("Failed to create font\n");
2043 else {
2044 hPrevFont = SelectObject(hDC, font);
2045 created_font = TRUE;
2046 }
2047 } else {
2048 #ifdef __REACTOS__ /* r73885 */
2049 font = infoPtr->font;
2050 #else
2051 font = (HFONT)SendMessageW(infoPtr->hwnd, WM_GETFONT, 0, 0);
2052 #endif
2053 hPrevFont = SelectObject(hDC, font);
2054 }
2055
2056 GetClientRect(infoPtr->hwnd, &bgRect);
2057 textRect = bgRect;
2058
2059 if (text)
2060 {
2061 SIZE textExtent;
2062 GetTextExtentPoint32W(hDC, text, lstrlenW(text), &textExtent);
2063 bgRect.top += (textExtent.cy / 2);
2064 textRect.left += 10;
2065 textRect.bottom = textRect.top + textExtent.cy;
2066 textRect.right = textRect.left + textExtent.cx + 4;
2067
2068 ExcludeClipRect(hDC, textRect.left, textRect.top, textRect.right, textRect.bottom);
2069 }
2070
2071 GetThemeBackgroundContentRect(theme, hDC, BP_GROUPBOX, state, &bgRect, &contentRect);
2072 ExcludeClipRect(hDC, contentRect.left, contentRect.top, contentRect.right, contentRect.bottom);
2073
2074 #ifdef __REACTOS__ /* r73885 & r74149 */
2075 if (prfFlag == 0)
2076 #endif
2077 if (IsThemeBackgroundPartiallyTransparent(theme, BP_GROUPBOX, state))
2078 DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL);
2079
2080 #ifdef __REACTOS__ /* r74406 */
2081 parent = GetParent(infoPtr->hwnd);
2082 if (!parent) parent = infoPtr->hwnd;
2083 hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC,
2084 (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
2085 if (!hBrush) /* did the app forget to call defwindowproc ? */
2086 hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC,
2087 (WPARAM)hDC, (LPARAM)infoPtr->hwnd );
2088 GetClientRect(infoPtr->hwnd, &clientRect);
2089 FillRect( hDC, &clientRect, hBrush );
2090 #endif
2091
2092 DrawThemeBackground(theme, hDC, BP_GROUPBOX, state, &bgRect, NULL);
2093
2094 SelectClipRgn(hDC, NULL);
2095
2096 if (text)
2097 {
2098 InflateRect(&textRect, -2, 0);
2099 DrawThemeText(theme, hDC, BP_GROUPBOX, state, text, lstrlenW(text), 0, 0, &textRect);
2100 heap_free(text);
2101 }
2102
2103 if (created_font) DeleteObject(font);
2104 if (hPrevFont) SelectObject(hDC, hPrevFont);
2105 }
2106
2107 void BUTTON_Register(void)
2108 {
2109 WNDCLASSW wndClass;
2110
2111 memset(&wndClass, 0, sizeof(wndClass));
2112 wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC;
2113 wndClass.lpfnWndProc = BUTTON_WindowProc;
2114 wndClass.cbClsExtra = 0;
2115 wndClass.cbWndExtra = sizeof(BUTTON_INFO *);
2116 wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW);
2117 wndClass.hbrBackground = NULL;
2118 wndClass.lpszClassName = WC_BUTTONW;
2119 RegisterClassW(&wndClass);
2120 }
2121
2122
2123 #ifdef __REACTOS__
2124 void BUTTON_Unregister(void)
2125 {
2126 UnregisterClassW(WC_BUTTONW, NULL);
2127 }
2128 #endif
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