source: trunk/src/user32/button.cpp@ 2013

Last change on this file since 2013 was 1944, checked in by cbratschi, 26 years ago

Show/HideCaret fix, removed TextOut workaround
File size: 31.4 KB
Line 
1/* $Id: button.cpp,v 1.21 1999-12-02 16:34:42 cbratschi Exp $ */
2/* File: button.cpp -- Button type widgets
3 *
4 * Copyright (C) 1993 Johannes Ruscheinski
5 * Copyright (C) 1993 David Metcalfe
6 * Copyright (C) 1994 Alexandre Julliard
7 * Copyright (c) 1999 Christoph Bratschi
8 *
9 * WINE version: 991031
10 *
11 * Status: complete
12 * Version: 5.00
13 */
14
15#include <string.h>
16#include <stdlib.h>
17
18#include <os2win.h>
19#include "controls.h"
20#include "button.h"
21#include <misc.h>
22#include "initterm.h"
23
24#ifdef DEBUG
25char *GetMsgText(int Msg);
26#endif
27
28//Prototypes
29
30static void DrawDisabledText(HDC hdc,char* text,RECT* rtext,UINT format);
31
32static void PB_Paint(HWND hwnd,HDC hDC,WORD action);
33static void CB_Paint(HWND hwnd,HDC hDC,WORD action);
34static void GB_Paint(HWND hwnd,HDC hDC,WORD action);
35static void UB_Paint(HWND hwnd,HDC hDC,WORD action);
36static void OB_Paint(HWND hwnd,HDC hDC,WORD action);
37static void BUTTON_CheckAutoRadioButton(HWND hwnd);
38static void BUTTON_DrawPushButton(HWND hwnd,HDC hDC,WORD action,BOOL pushedState);
39static LRESULT BUTTON_LButtonDown(HWND hwnd,WPARAM wParam,LPARAM lParam);
40
41#define MAX_BTN_TYPE 12
42
43static const WORD maxCheckState[MAX_BTN_TYPE] =
44{
45 BUTTON_UNCHECKED, /* BS_PUSHBUTTON */
46 BUTTON_UNCHECKED, /* BS_DEFPUSHBUTTON */
47 BUTTON_CHECKED, /* BS_CHECKBOX */
48 BUTTON_CHECKED, /* BS_AUTOCHECKBOX */
49 BUTTON_CHECKED, /* BS_RADIOBUTTON */
50 BUTTON_3STATE, /* BS_3STATE */
51 BUTTON_3STATE, /* BS_AUTO3STATE */
52 BUTTON_UNCHECKED, /* BS_GROUPBOX */
53 BUTTON_UNCHECKED, /* BS_USERBUTTON */
54 BUTTON_CHECKED, /* BS_AUTORADIOBUTTON */
55 BUTTON_UNCHECKED, /* Not defined */
56 BUTTON_UNCHECKED /* BS_OWNERDRAW */
57};
58
59typedef void (*pfPaint)(HWND hwnd,HDC hdc,WORD action);
60
61static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
62{
63 PB_Paint, /* BS_PUSHBUTTON */
64 PB_Paint, /* BS_DEFPUSHBUTTON */
65 CB_Paint, /* BS_CHECKBOX */
66 CB_Paint, /* BS_AUTOCHECKBOX */
67 CB_Paint, /* BS_RADIOBUTTON */
68 CB_Paint, /* BS_3STATE */
69 CB_Paint, /* BS_AUTO3STATE */
70 GB_Paint, /* BS_GROUPBOX */
71 UB_Paint, /* BS_USERBUTTON */
72 CB_Paint, /* BS_AUTORADIOBUTTON */
73 NULL, /* Not defined */
74 OB_Paint /* BS_OWNERDRAW */
75};
76
77#define PAINT_BUTTON(hwnd,style,action) \
78 if (btnPaintFunc[style]) { \
79 HDC hdc = GetDC(hwnd); \
80 (btnPaintFunc[style])(hwnd,hdc,action); \
81 ReleaseDC(hwnd,hdc); }
82
83#define BUTTON_SEND_CTLCOLOR(hwnd,hdc) \
84 SendMessageA( GetParent(hwnd), WM_CTLCOLORBTN, \
85 (hdc),hwnd)
86
87static HBITMAP hbitmapCheckBoxes = 0;
88static WORD checkBoxWidth = 0, checkBoxHeight = 0;
89
90static LRESULT BUTTON_SendNotify(HWND hwnd,DWORD code)
91{
92 return SendMessageA(GetParent(hwnd),WM_COMMAND,MAKEWPARAM(GetWindowLongA(hwnd,GWL_ID),code),hwnd);
93}
94
95static LRESULT BUTTON_GetDlgCode(HWND hwnd,WPARAM wParam,LPARAM lParam)
96{
97 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
98
99 switch (dwStyle & 0x0f)
100 {
101 case BS_AUTOCHECKBOX:
102 case BS_CHECKBOX:
103 return DLGC_WANTCHARS | DLGC_BUTTON;
104
105 case BS_PUSHBUTTON:
106 return DLGC_UNDEFPUSHBUTTON;
107
108 case BS_DEFPUSHBUTTON:
109 return DLGC_DEFPUSHBUTTON;
110
111 case BS_AUTORADIOBUTTON:
112 case BS_RADIOBUTTON:
113 return DLGC_RADIOBUTTON;
114
115 case BS_GROUPBOX:;
116 return DLGC_STATIC;
117
118 default:
119 return DLGC_BUTTON;
120 }
121}
122
123static LRESULT BUTTON_Enable(HWND hwnd,WPARAM wParam,LPARAM lParam)
124{
125 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
126
127 if (dwStyle & BS_NOTIFY && !wParam) BUTTON_SendNotify(hwnd,BN_DISABLE);
128
129 //PAINT_BUTTON(hwnd,dwStyle & 0x0f,ODA_DRAWENTIRE);
130 //SvL: 09/10/99 Force it to redraw properly
131 InvalidateRect( hwnd, NULL, FALSE );
132
133 return 0;
134}
135
136static LRESULT BUTTON_Create(HWND hwnd,WPARAM wParam,LPARAM lParam)
137{
138 BUTTONINFO* infoPtr;
139 DWORD style = GetWindowLongA(hwnd,GWL_STYLE) & 0x0f;
140
141 if (!hbitmapCheckBoxes)
142 {
143 BITMAP bmp;
144
145 hbitmapCheckBoxes = LoadBitmapA(hInstanceUser32, MAKEINTRESOURCEA(OBM_CHECKBOXES));
146 GetObjectA( hbitmapCheckBoxes, sizeof(bmp), &bmp );
147 if (GetObjectA(hbitmapCheckBoxes,sizeof(bmp),&bmp))
148 {
149 checkBoxWidth = bmp.bmWidth / 4;
150 checkBoxHeight = bmp.bmHeight / 3;
151 } else checkBoxWidth = checkBoxHeight = 0;
152 }
153 if (style < 0L || style >= MAX_BTN_TYPE) return -1; /* abort */
154
155 infoPtr = (BUTTONINFO*)malloc(sizeof(BUTTONINFO));
156 infoPtr->state = BUTTON_UNCHECKED;
157 infoPtr->hFont = 0;
158 infoPtr->hImage = NULL;
159 SetInfoPtr(hwnd,(DWORD)infoPtr);
160
161 return 0;
162}
163
164static LRESULT BUTTON_Destroy(HWND hwnd,WPARAM wParam,LPARAM lParam)
165{
166 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
167
168 free(infoPtr);
169
170 return 0;
171}
172
173static LRESULT BUTTON_EraseBkgnd(HWND hwnd,WPARAM wParam,LPARAM lParam)
174{
175 //SvL: Erase background for groupboxes as the paint function only draws
176 // a box
177 DWORD style = GetWindowLongA(hwnd,GWL_STYLE) & 0x0f;
178// if(style == BS_GROUPBOX) {
179 return DefWindowProcA(hwnd, WM_ERASEBKGND, wParam, lParam);
180// }
181// return 1;
182}
183
184static LRESULT BUTTON_Paint(HWND hwnd,WPARAM wParam,LPARAM lParam)
185{
186 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
187 DWORD style = dwStyle & 0x0f;
188
189 if (dwStyle & BS_NOTIFY) BUTTON_SendNotify(hwnd,BN_PAINT);
190
191 if (btnPaintFunc[style])
192 {
193 PAINTSTRUCT ps;
194
195 HDC hdc = wParam ? (HDC)wParam : BeginPaint(hwnd,&ps);
196 SetBkMode(hdc,OPAQUE);
197 (btnPaintFunc[style])(hwnd,hdc,ODA_DRAWENTIRE);
198 if(!wParam) EndPaint(hwnd,&ps);
199 } else return DefWindowProcA(hwnd,WM_PAINT,wParam,lParam);
200
201 return 0;
202}
203
204static LRESULT BUTTON_LButtonDblClk(HWND hwnd,WPARAM wParam,LPARAM lParam)
205{
206 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
207 DWORD style = dwStyle & 0x0f;
208
209 if(dwStyle & BS_NOTIFY || style == BS_RADIOBUTTON ||
210 style == BS_USERBUTTON || style == BS_OWNERDRAW)
211 BUTTON_SendNotify(hwnd,BN_DOUBLECLICKED);
212 else BUTTON_LButtonDown(hwnd,wParam,lParam);
213
214 return 0;
215}
216
217static LRESULT BUTTON_LButtonDown(HWND hwnd,WPARAM wParam,LPARAM lParam)
218{
219 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
220 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
221
222 SetCapture(hwnd);
223 SetFocus(hwnd);
224 SendMessageA(hwnd,BM_SETSTATE,TRUE,0);
225 infoPtr->state |= BUTTON_BTNPRESSED;
226
227 if (dwStyle & BS_NOTIFY) BUTTON_SendNotify(hwnd,BN_HILITE);
228
229 return 0;
230}
231
232static LRESULT BUTTON_LButtonUp(HWND hwnd,WPARAM wParam,LPARAM lParam)
233{
234 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
235 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
236 RECT rect;
237 POINT pt;
238
239 pt.x = LOWORD(lParam);
240 pt.y = HIWORD(lParam);
241
242 if (!(infoPtr->state & BUTTON_BTNPRESSED)) return 0;
243 infoPtr->state &= BUTTON_NSTATES;
244 if (!(infoPtr->state & BUTTON_HIGHLIGHTED))
245 {
246 ReleaseCapture();
247 return 0;
248 }
249 SendMessageA(hwnd,BM_SETSTATE,FALSE,0);
250 ReleaseCapture();
251 GetClientRect(hwnd,&rect);
252 if (PtInRect(&rect,pt))
253 {
254 switch(dwStyle & 0x0f)
255 {
256 case BS_AUTOCHECKBOX:
257 SendMessageA(hwnd,BM_SETCHECK,!(infoPtr->state & BUTTON_CHECKED),0);
258 break;
259 case BS_AUTORADIOBUTTON:
260 SendMessageA(hwnd,BM_SETCHECK,TRUE,0);
261 break;
262 case BS_AUTO3STATE:
263 SendMessageA(hwnd,BM_SETCHECK,
264 (infoPtr->state & BUTTON_3STATE) ? 0 :
265 ((infoPtr->state & 3)+1),0);
266 break;
267 }
268 BUTTON_SendNotify(hwnd,BN_CLICKED);
269 }
270
271 if (dwStyle & BS_NOTIFY) BUTTON_SendNotify(hwnd,BN_UNHILITE);
272
273 return 0;
274}
275
276static LRESULT BUTTON_CaptureChanged(HWND hwnd,WPARAM wParam,LPARAM lParam)
277{
278 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
279 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
280
281 if (infoPtr->state & BUTTON_BTNPRESSED)
282 {
283 infoPtr->state &= BUTTON_NSTATES;
284 if (infoPtr->state & BUTTON_HIGHLIGHTED)
285 SendMessageA( hwnd, BM_SETSTATE, FALSE, 0 );
286 }
287
288 if (dwStyle & BS_NOTIFY) BUTTON_SendNotify(hwnd,BN_UNHILITE);
289
290 return 0;
291}
292
293static LRESULT BUTTON_MouseMove(HWND hwnd,WPARAM wParam,LPARAM lParam)
294{
295 if (GetCapture() == hwnd)
296 {
297 RECT rect;
298 POINT pt;
299
300 pt.x = LOWORD(lParam);
301 pt.y = HIWORD(lParam);
302
303 GetClientRect(hwnd,&rect);
304 SendMessageA(hwnd,BM_SETSTATE,PtInRect(&rect,pt),0);
305 }
306
307 return 0;
308}
309
310static LRESULT BUTTON_NCHitTest(HWND hwnd,WPARAM wParam,LPARAM lParam)
311{
312 DWORD style = GetWindowLongA(hwnd,GWL_STYLE) & 0x0f;
313
314 if (style == BS_GROUPBOX) return HTTRANSPARENT;
315
316 return DefWindowProcA(hwnd,WM_NCHITTEST,wParam,lParam);
317}
318
319static LRESULT BUTTON_SetText(HWND hwnd,WPARAM wParam,LPARAM lParam)
320{
321 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
322
323 DefWindowProcA(hwnd,WM_SETTEXT,wParam,lParam);
324 if (dwStyle & WS_VISIBLE) PAINT_BUTTON(hwnd,dwStyle & 0x0f,ODA_DRAWENTIRE);
325
326 return 0;
327}
328
329static LRESULT BUTTON_SetFont(HWND hwnd,WPARAM wParam,LPARAM lParam)
330{
331 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
332 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
333
334 infoPtr->hFont = (HFONT)wParam;
335 if (lParam && (dwStyle & WS_VISIBLE)) PAINT_BUTTON(hwnd,dwStyle & 0x0f,ODA_DRAWENTIRE);
336
337 return 0;
338}
339
340static LRESULT BUTTON_GetFont(HWND hwnd,WPARAM wParam,LPARAM lParam)
341{
342 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
343
344 return infoPtr->hFont;
345}
346
347static LRESULT BUTTON_KeyDown(HWND hwnd,WPARAM wParam,LPARAM lParam)
348{
349 if (wParam == VK_SPACE)
350 {
351 SendMessageA(hwnd,BM_SETSTATE,TRUE,0);
352 SetFocus(hwnd);
353 SetCapture(hwnd);
354 }
355
356 return 0;
357}
358
359static LRESULT BUTTON_KeyUp(HWND hwnd,WPARAM wParam,LPARAM lParam)
360{
361 if (wParam == VK_SPACE)
362 {
363 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
364 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
365
366 ReleaseCapture();
367 if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) return 0;
368 SendMessageA(hwnd,BM_SETSTATE,FALSE,0);
369
370 switch(dwStyle & 0x0f)
371 {
372 case BS_AUTOCHECKBOX:
373 SendMessageA(hwnd,BM_SETCHECK,!(infoPtr->state & BUTTON_CHECKED),0);
374 break;
375 case BS_AUTORADIOBUTTON:
376 SendMessageA(hwnd,BM_SETCHECK,TRUE,0);
377 break;
378 case BS_AUTO3STATE:
379 SendMessageA(hwnd,BM_SETCHECK,
380 (infoPtr->state & BUTTON_3STATE) ? 0 :
381 ((infoPtr->state & 3)+1),0);
382 break;
383 }
384 BUTTON_SendNotify(hwnd,BN_CLICKED);
385 } else if (wParam != VK_TAB) ReleaseCapture();
386
387 return 0;
388}
389
390static LRESULT BUTTON_SysKeyUp(HWND hwnd,WPARAM wParam,LPARAM lParam)
391{
392 if (wParam != VK_TAB) ReleaseCapture();
393
394 return 0;
395}
396
397static LRESULT BUTTON_SetFocus(HWND hwnd,WPARAM wParam,LPARAM lParam)
398{
399 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
400 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
401 DWORD style = dwStyle & 0x0f;
402
403 if (dwStyle & BS_NOTIFY) BUTTON_SendNotify(hwnd,BN_SETFOCUS);
404
405 if ((style == BS_AUTORADIOBUTTON || style == BS_RADIOBUTTON) &&
406 (GetCapture() != hwnd) && !(SendMessageA(hwnd,BM_GETCHECK,0,0) & BST_CHECKED))
407 {
408 /* The notification is sent when the button (BS_AUTORADIOBUTTON)
409 is unckecked and the focus was not given by a mouse click. */
410 if (style == BS_AUTORADIOBUTTON) SendMessageA(hwnd,BM_SETCHECK,TRUE,0);
411 BUTTON_SendNotify(hwnd,BN_CLICKED);
412 }
413
414 infoPtr->state |= BUTTON_HASFOCUS;
415 PAINT_BUTTON(hwnd,style,ODA_FOCUS);
416
417 return 0;
418}
419
420static LRESULT BUTTON_KillFocus(HWND hwnd,WPARAM wParam,LPARAM lParam)
421{
422 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
423 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
424 DWORD style = dwStyle & 0x0f;
425
426 if (dwStyle & BS_NOTIFY) BUTTON_SendNotify(hwnd,BN_KILLFOCUS);
427
428 if (infoPtr->state & BUTTON_HASFOCUS)
429 {
430 infoPtr->state &= ~BUTTON_HASFOCUS;
431 PAINT_BUTTON(hwnd,style,ODA_FOCUS);
432 }
433
434 return 0;
435}
436
437static LRESULT BUTTON_SysColorChange(HWND hwnd,WPARAM wParam,LPARAM lParam)
438{
439 InvalidateRect(hwnd,NULL,FALSE);
440
441 return 0;
442}
443
444static LRESULT BUTTON_Click(HWND hwnd,WPARAM wParam,LPARAM lParam)
445{
446 RECT rect;
447 LPARAM point;
448
449 GetClientRect(hwnd,&rect);
450 point = MAKELPARAM(rect.right/2,rect.bottom/2);
451 SendMessageA(hwnd,WM_LBUTTONDOWN,MK_LBUTTON,point);
452 Sleep(100);
453 SendMessageA(hwnd,WM_LBUTTONUP,0,point);
454
455 return 0;
456}
457
458static LRESULT BUTTON_SetStyle(HWND hwnd,WPARAM wParam,LPARAM lParam)
459{
460 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
461
462 if ((wParam & 0x0f) >= MAX_BTN_TYPE) return 0;
463 dwStyle = (dwStyle & 0xfffffff0) | (wParam & 0x0000000f);
464 SetWindowLongA(hwnd,GWL_STYLE,dwStyle);
465 PAINT_BUTTON(hwnd,dwStyle & 0x0f,ODA_DRAWENTIRE);
466
467 return 0;
468}
469
470static LRESULT BUTTON_SetImage(HWND hwnd,WPARAM wParam,LPARAM lParam)
471{
472 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
473 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
474 HANDLE oldHbitmap = infoPtr->hImage;
475
476 if (dwStyle & BS_BITMAP || dwStyle & BS_ICON) infoPtr->hImage = (HANDLE)lParam;
477
478 return oldHbitmap;
479}
480
481static LRESULT BUTTON_GetImage(HWND hwnd,WPARAM wParam,LPARAM lParam)
482{
483 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
484
485 switch(wParam)
486 {
487 case IMAGE_BITMAP:
488 return (HBITMAP)infoPtr->hImage;
489 case IMAGE_ICON:
490 return (HICON)infoPtr->hImage;
491 default:
492 return NULL;
493 }
494}
495
496static LRESULT BUTTON_GetCheck(HWND hwnd,WPARAM wParam,LPARAM lParam)
497{
498 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
499
500 return infoPtr->state & 3;
501}
502
503static LRESULT BUTTON_SetCheck(HWND hwnd,WPARAM wParam,LPARAM lParam)
504{
505 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
506 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
507 DWORD style = dwStyle & 0x0f;
508
509 if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
510 if ((infoPtr->state & 3) != wParam)
511 {
512 if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
513 {
514 DWORD oldStyle = dwStyle;
515
516 if (wParam)
517 dwStyle |= WS_TABSTOP;
518 else
519 dwStyle &= ~WS_TABSTOP;
520
521 //if (oldStyle != dwStyle) SetWindowLongA(hwnd,GWL_STYLE,dwStyle);
522 }
523 infoPtr->state = (infoPtr->state & ~3) | wParam;
524 PAINT_BUTTON(hwnd,style,ODA_SELECT);
525 }
526 if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
527 BUTTON_CheckAutoRadioButton(hwnd);
528
529 return 0;
530}
531
532static LRESULT BUTTON_GetState(HWND hwnd,WPARAM wParam,LPARAM lParam)
533{
534 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
535
536 return infoPtr->state;
537}
538
539static LRESULT BUTTON_SetState(HWND hwnd,WPARAM wParam,LPARAM lParam)
540{
541 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
542 DWORD style = GetWindowLongA(hwnd,GWL_STYLE) & 0x0f;
543
544 if (wParam)
545 {
546 if (infoPtr->state & BUTTON_HIGHLIGHTED) return 0;
547 infoPtr->state |= BUTTON_HIGHLIGHTED;
548 } else
549 {
550 if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) return 0;
551 infoPtr->state &= ~BUTTON_HIGHLIGHTED;
552 }
553 PAINT_BUTTON(hwnd,style,ODA_SELECT);
554
555 return 0;
556}
557
558/***********************************************************************
559 * ButtonWndProc
560 */
561static
562LRESULT WINAPI ButtonWndProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
563{
564// dprintf(("ButtonWndProc hwnd: %04x, msg %s, wp %08x lp %08lx\n",
565// hwnd, GetMsgText(uMsg), wParam, lParam));
566
567 switch (uMsg)
568 {
569 case WM_GETDLGCODE:
570 return BUTTON_GetDlgCode(hwnd,wParam,lParam);
571
572 case WM_ENABLE:
573 return BUTTON_Enable(hwnd,wParam,lParam);
574
575 case WM_CREATE:
576 return BUTTON_Create(hwnd,wParam,lParam);
577
578 case WM_DESTROY:
579 return BUTTON_Destroy(hwnd,wParam,lParam);
580
581 case WM_ERASEBKGND:
582 return BUTTON_EraseBkgnd(hwnd,wParam,lParam);
583
584 case WM_PAINT:
585 return BUTTON_Paint(hwnd,wParam,lParam);
586
587 case WM_LBUTTONDBLCLK:
588 return BUTTON_LButtonDblClk(hwnd,wParam,lParam);
589
590 case WM_LBUTTONDOWN:
591 return BUTTON_LButtonDown(hwnd,wParam,lParam);
592
593 case WM_LBUTTONUP:
594 return BUTTON_LButtonUp(hwnd,wParam,lParam);
595
596 case WM_CAPTURECHANGED:
597 return BUTTON_CaptureChanged(hwnd,wParam,lParam);
598
599 case WM_MOUSEMOVE:
600 return BUTTON_MouseMove(hwnd,wParam,lParam);
601
602 case WM_NCHITTEST:
603 return BUTTON_NCHitTest(hwnd,wParam,lParam);
604
605 case WM_SETTEXT:
606 return BUTTON_SetText(hwnd,wParam,lParam);
607
608 case WM_SETFONT:
609 return BUTTON_SetFont(hwnd,wParam,lParam);
610
611 case WM_GETFONT:
612 return BUTTON_GetFont(hwnd,wParam,lParam);
613
614 case WM_KEYDOWN:
615 return BUTTON_KeyDown(hwnd,wParam,lParam);
616
617 case WM_KEYUP:
618 return BUTTON_KeyUp(hwnd,wParam,lParam);
619
620 case WM_SYSKEYUP:
621 return BUTTON_SysKeyUp(hwnd,wParam,lParam);
622
623 case WM_SETFOCUS:
624 return BUTTON_SetFocus(hwnd,wParam,lParam);
625
626 case WM_KILLFOCUS:
627 return BUTTON_KillFocus(hwnd,wParam,lParam);
628
629 case WM_SYSCOLORCHANGE:
630 return BUTTON_SysColorChange(hwnd,wParam,lParam);
631
632 case BM_CLICK:
633 return BUTTON_Click(hwnd,wParam,lParam);
634
635 case BM_SETSTYLE:
636 return BUTTON_SetStyle(hwnd,wParam,lParam);
637
638 case BM_SETIMAGE:
639 return BUTTON_SetImage(hwnd,wParam,lParam);
640
641 case BM_GETIMAGE:
642 return BUTTON_GetImage(hwnd,wParam,lParam);
643
644 case BM_GETCHECK:
645 return BUTTON_GetCheck(hwnd,wParam,lParam);
646
647 case BM_SETCHECK:
648 return BUTTON_SetCheck(hwnd,wParam,lParam);
649
650 case BM_GETSTATE:
651 return BUTTON_GetState(hwnd,wParam,lParam);
652
653 case BM_SETSTATE:
654 return BUTTON_SetState(hwnd,wParam,lParam);
655
656 default:
657 return DefWindowProcA(hwnd,uMsg,wParam,lParam);
658 }
659
660 return 0;
661}
662
663
664/**********************************************************************
665 * Push Button Functions
666 */
667static void PB_Paint( HWND hwnd, HDC hDC, WORD action )
668{
669 BUTTONINFO *infoPtr = (BUTTONINFO *)GetInfoPtr(hwnd);
670 BOOL bHighLighted = (infoPtr->state & BUTTON_HIGHLIGHTED);
671
672 /*
673 * Delegate this to the more generic pushbutton painting
674 * method.
675 */
676 BUTTON_DrawPushButton(hwnd,
677 hDC,
678 action,
679 bHighLighted);
680}
681
682static INT BUTTON_GetTextFormat(DWORD dwStyle,INT defHorz,INT defVert)
683{
684 INT format = 0;
685
686 if (dwStyle & BS_LEFT) format = DT_LEFT;
687 else if (dwStyle & BS_CENTER) format = DT_CENTER;
688 else if (dwStyle & BS_RIGHT) format = DT_RIGHT;
689 else format = defHorz;
690
691 if (dwStyle & BS_TOP) format |= DT_TOP;
692 else if (dwStyle & BS_VCENTER) format |= DT_VCENTER;
693 else if (dwStyle & BS_BOTTOM) format |= DT_BOTTOM;
694 else format |= defVert;
695
696 if (!(dwStyle & BS_MULTILINE)) format |= DT_SINGLELINE;
697
698 return format;
699}
700
701/**********************************************************************
702 * This method will actually do the drawing of the pushbutton
703 * depending on it's state and the pushedState parameter.
704 */
705static void BUTTON_DrawPushButton(
706 HWND hwnd,
707 HDC hDC,
708 WORD action,
709 BOOL pushedState )
710{
711 RECT rc, focus_rect;
712 HPEN hOldPen;
713 HBRUSH hOldBrush;
714 BUTTONINFO *infoPtr = (BUTTONINFO *)GetInfoPtr(hwnd);
715 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
716 int xBorderOffset, yBorderOffset;
717 xBorderOffset = yBorderOffset = 0;
718 INT textLen;
719 char* text;
720
721 GetClientRect( hwnd, &rc );
722
723 /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
724 if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
725 BUTTON_SEND_CTLCOLOR( hwnd, hDC );
726 hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME));
727 hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
728 SetBkMode(hDC, TRANSPARENT);
729
730 if ((dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
731 {
732 Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
733 InflateRect( &rc, -1, -1 );
734 }
735
736 UINT uState = DFCS_BUTTONPUSH;
737
738 if (pushedState)
739 {
740 if ( (dwStyle & 0x000f) == BS_DEFPUSHBUTTON )
741 uState |= DFCS_FLAT;
742 else
743 uState |= DFCS_PUSHED;
744 }
745
746 if (dwStyle & BS_FLAT) uState |= DFCS_FLAT;
747
748 DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
749 InflateRect( &rc, -2, -2 );
750
751 focus_rect = rc;
752
753 if (pushedState)
754 {
755 rc.left += 2; /* To position the text down and right */
756 rc.top += 2;
757 }
758
759
760 /* draw button label, if any:
761 *
762 * In win9x we don't show text if there is a bitmap or icon.
763 * I don't know about win31 so I leave it as it was for win31.
764 * Dennis Björklund 12 Jul, 99
765 */
766 textLen = GetWindowTextLengthA(hwnd);
767 if (textLen > 0 && (!(dwStyle & (BS_ICON|BS_BITMAP))))
768 {
769 INT format = BUTTON_GetTextFormat(dwStyle,DT_CENTER,DT_VCENTER);
770
771 textLen++;
772 text = (char*)malloc(textLen);
773 GetWindowTextA(hwnd,text,textLen);
774
775 if (dwStyle & WS_DISABLED) DrawDisabledText(hDC,text,&rc,format); else
776 {
777 SetTextColor(hDC,GetSysColor(COLOR_BTNTEXT));
778 DrawTextA(hDC,text,-1,&rc,format);
779 /* do we have the focus?
780 * Win9x draws focus last with a size prop. to the button
781 */
782 }
783 free(text);
784 }
785 if ( ((dwStyle & BS_ICON) || (dwStyle & BS_BITMAP) ) &&
786 (infoPtr->hImage != NULL) )
787 {
788 int yOffset, xOffset;
789 int imageWidth, imageHeight;
790
791 /*
792 * We extract the size of the image from the handle.
793 */
794 if (dwStyle & BS_ICON)
795 {
796 ICONINFO iconInfo;
797 BITMAP bm;
798
799 GetIconInfo((HICON)infoPtr->hImage, &iconInfo);
800 GetObjectA (iconInfo.hbmColor, sizeof(BITMAP), &bm);
801
802 imageWidth = bm.bmWidth;
803 imageHeight = bm.bmHeight;
804
805 DeleteObject(iconInfo.hbmColor);
806 DeleteObject(iconInfo.hbmMask);
807
808 }
809 else
810 {
811 BITMAP bm;
812
813 GetObjectA (infoPtr->hImage, sizeof(BITMAP), &bm);
814
815 imageWidth = bm.bmWidth;
816 imageHeight = bm.bmHeight;
817 }
818
819 /* Center the bitmap */
820 xOffset = (((rc.right - rc.left) - 2*xBorderOffset) - imageWidth ) / 2;
821 yOffset = (((rc.bottom - rc.top) - 2*yBorderOffset) - imageHeight) / 2;
822
823 /* If the image is too big for the button then create a region*/
824 if(xOffset < 0 || yOffset < 0)
825 {
826 HRGN hBitmapRgn = NULL;
827 hBitmapRgn = CreateRectRgn(
828 rc.left + xBorderOffset, rc.top +yBorderOffset,
829 rc.right - xBorderOffset, rc.bottom - yBorderOffset);
830 SelectClipRgn(hDC, hBitmapRgn);
831 DeleteObject(hBitmapRgn);
832 }
833
834 /* Let minimum 1 space from border */
835 xOffset++, yOffset++;
836
837 /*
838 * Draw the image now.
839 */
840 if (dwStyle & BS_ICON)
841 {
842 DrawIcon(hDC,
843 rc.left + xOffset, rc.top + yOffset,
844 (HICON)infoPtr->hImage);
845 }
846 else
847 {
848 HDC hdcMem;
849
850 hdcMem = CreateCompatibleDC (hDC);
851 SelectObject (hdcMem, (HBITMAP)infoPtr->hImage);
852 BitBlt(hDC,
853 rc.left + xOffset,
854 rc.top + yOffset,
855 imageWidth, imageHeight,
856 hdcMem, 0, 0, SRCCOPY);
857
858 DeleteDC (hdcMem);
859 }
860
861 if(xOffset < 0 || yOffset < 0)
862 {
863 SelectClipRgn(hDC, NULL);
864 }
865 }
866
867 SelectObject( hDC, hOldPen );
868 SelectObject( hDC, hOldBrush );
869
870 if (infoPtr->state & BUTTON_HASFOCUS && IsWindowEnabled(hwnd))
871 {
872 InflateRect( &focus_rect, -1, -1 );
873 DrawFocusRect( hDC, &focus_rect );
874 }
875}
876
877
878static void DrawDisabledText(HDC hdc,char* text,RECT* rtext,UINT format)
879{
880 COLORREF textColor = (GetSysColor(COLOR_GRAYTEXT) == GetBkColor(hdc)) ? COLOR_BTNTEXT:COLOR_GRAYTEXT;
881 RECT rect = *rtext;
882 COLORREF oldMode;
883
884 //CB: bug in Open32 DrawText: underscore is always black! -> two black lines!
885 SetTextColor(hdc,GetSysColor(COLOR_3DHILIGHT));
886 DrawTextA(hdc,text,-1,&rect,format);
887 SetTextColor(hdc,GetSysColor(COLOR_GRAYTEXT));
888 oldMode = SetBkMode(hdc,TRANSPARENT);
889 OffsetRect(&rect,-1,-1);
890 DrawTextA(hdc,text,-1,&rect,format);
891 SetBkMode(hdc,oldMode);
892}
893
894/**********************************************************************
895 * Check Box & Radio Button Functions
896 */
897
898static void CB_Paint(HWND hwnd,HDC hDC,WORD action)
899{
900 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
901 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
902 RECT rbox, rtext, client;
903 HBRUSH hBrush;
904 int textLen, delta;
905 char* text = NULL;
906
907 /*
908 * if the button has a bitmap/icon, draw a normal pushbutton
909 * instead of a radion button.
910 */
911 if (infoPtr->hImage!=NULL)
912 {
913 BOOL bHighLighted = ((infoPtr->state & BUTTON_HIGHLIGHTED) ||
914 (infoPtr->state & BUTTON_CHECKED));
915
916 BUTTON_DrawPushButton(hwnd,
917 hDC,
918 action,
919 bHighLighted);
920 return;
921 }
922
923 textLen = 0;
924 GetClientRect(hwnd, &client);
925 rbox = rtext = client;
926
927 if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
928
929 /* Something is still not right, checkboxes (and edit controls)
930 * in wsping32 have white backgrounds instead of dark grey.
931 * BUTTON_SEND_CTLCOLOR() is even worse since it returns 0 in this
932 * particular case and the background is not painted at all.
933 */
934 //SvL: 20/09/99: This works well for us. Now the background of
935 // the dialog button strings in Solitaire is gray
936 SendMessageA(GetParent(hwnd),WM_CTLCOLORBTN,hDC,hwnd);
937
938 hBrush = GetSysColorBrush(COLOR_BTNFACE);
939
940 if (dwStyle & BS_LEFTTEXT)
941 {
942 /* magic +4 is what CTL3D expects */
943
944 rtext.right -= checkBoxWidth + 4;
945 rbox.left = rbox.right - checkBoxWidth;
946 }
947 else
948 {
949 rtext.left += checkBoxWidth + 4;
950 rbox.right = checkBoxWidth;
951 }
952
953 /* Draw the check-box bitmap */
954
955 textLen = GetWindowTextLengthA(hwnd);
956 if (textLen > 0)
957 {
958 textLen++;
959 text = (char*)malloc(textLen);
960 GetWindowTextA(hwnd,text,textLen);
961 }
962 if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
963 {
964 UINT state;
965
966 if (((dwStyle & 0x0f) == BS_RADIOBUTTON) ||
967 ((dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) state = DFCS_BUTTONRADIO;
968 else if (infoPtr->state & BUTTON_3STATE) state = DFCS_BUTTON3STATE;
969 else state = DFCS_BUTTONCHECK;
970
971 if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) state |= DFCS_CHECKED;
972
973 if (infoPtr->state & BUTTON_HIGHLIGHTED) state |= DFCS_PUSHED;
974
975 if (dwStyle & WS_DISABLED) state |= DFCS_INACTIVE;
976
977 if (dwStyle & BS_FLAT) state |= DFCS_FLAT;
978
979 DrawFrameControl( hDC, &rbox, DFC_BUTTON, state );
980
981 if( text && action != ODA_SELECT )
982 {
983 INT format = BUTTON_GetTextFormat(dwStyle,DT_TOP,DT_VCENTER);
984
985 if (dwStyle & WS_DISABLED) DrawDisabledText(hDC,text,&rtext,format);
986 else DrawTextA(hDC,text,-1,&rtext,format);
987 }
988 }
989
990 if ((action == ODA_FOCUS) ||
991 ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS) && IsWindowEnabled(hwnd)))
992 {
993 /* again, this is what CTL3D expects */
994
995 SetRectEmpty(&rbox);
996 if(textLen > 0)
997 DrawTextA(hDC,text,-1,&rbox,DT_SINGLELINE | DT_CALCRECT);
998 textLen = rbox.bottom - rbox.top;
999 delta = ((rtext.bottom - rtext.top) - textLen)/2;
1000 rbox.bottom = (rbox.top = rtext.top + delta - 1) + textLen + 2;
1001 textLen = rbox.right - rbox.left;
1002 rbox.right = (rbox.left += --rtext.left) + textLen + 2;
1003 IntersectRect(&rbox, &rbox, &rtext);
1004 DrawFocusRect( hDC, &rbox );
1005 }
1006 if (text) free(text);
1007}
1008
1009
1010/**********************************************************************
1011 * BUTTON_CheckAutoRadioButton
1012 *
1013 * wndPtr is checked, uncheck every other auto radio button in group
1014 */
1015static void BUTTON_CheckAutoRadioButton(HWND hwnd)
1016{
1017 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
1018 HWND parent, sibling, start;
1019
1020 if (!(dwStyle & WS_CHILD)) return;
1021 parent = GetParent(hwnd);
1022 /* assure that starting control is not disabled or invisible */
1023 //start = sibling = GetNextDlgGroupItem( parent, hwnd, TRUE );
1024 //@YD: bugfix
1025 //CB: doesn't work!
1026 start = sibling = GetNextDlgGroupItem( parent, hwnd, FALSE );
1027 do
1028 {
1029 if (!sibling) break;
1030 if ((hwnd != sibling) &&
1031 ((GetWindowLongA(sibling,GWL_STYLE) & 0x0f) == BS_AUTORADIOBUTTON))
1032 SendMessageA( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
1033 sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
1034 } while (sibling != start);
1035}
1036
1037
1038/**********************************************************************
1039 * Group Box Functions
1040 */
1041
1042static void GB_Paint(HWND hwnd,HDC hDC,WORD action)
1043{
1044 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
1045 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
1046 RECT rc, rcFrame;
1047 TEXTMETRICA tm;
1048 INT textLen;
1049 char* text;
1050
1051 if (action != ODA_DRAWENTIRE) return;
1052
1053 SendMessageA(GetParent(hwnd),WM_CTLCOLORBTN,hDC,hwnd);
1054
1055 GetClientRect(hwnd,&rc);
1056
1057 rcFrame = rc;
1058
1059 if (infoPtr->hFont)
1060 SelectObject (hDC, infoPtr->hFont);
1061 GetTextMetricsA (hDC, &tm);
1062 rcFrame.top += (tm.tmHeight / 2) - 1;
1063 DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT);
1064
1065 textLen = GetWindowTextLengthA(hwnd);
1066 if (textLen > 0)
1067 {
1068 INT format = BUTTON_GetTextFormat(dwStyle,DT_LEFT,DT_TOP) | DT_NOCLIP | DT_SINGLELINE;
1069
1070 textLen++;
1071 text = (char*)malloc(textLen);
1072 GetWindowTextA(hwnd,text,textLen);
1073 if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
1074 rc.left += 10;
1075
1076 if (dwStyle & WS_DISABLED) DrawDisabledText(hDC,text,&rc,format); else
1077 {
1078 SetTextColor(hDC,GetSysColor(COLOR_BTNTEXT));
1079 DrawTextA(hDC,text,-1,&rc,format);
1080 }
1081
1082 free(text);
1083 }
1084}
1085
1086
1087/**********************************************************************
1088 * User Button Functions
1089 */
1090
1091static void UB_Paint(HWND hwnd,HDC hDC,WORD action)
1092{
1093 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
1094 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
1095 RECT rc;
1096 HBRUSH hBrush;
1097 if (action == ODA_SELECT) return;
1098
1099 GetClientRect(hwnd,&rc);
1100
1101 if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
1102 hBrush = GetSysColorBrush(COLOR_BTNFACE);
1103
1104 if ((action == ODA_FOCUS) ||
1105 ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS) && IsWindowEnabled(hwnd)))
1106 {
1107 DrawFocusRect( hDC, &rc );
1108 InflateRect(&rc,-1,-1);
1109 }
1110 FillRect( hDC, &rc, hBrush );
1111}
1112
1113
1114/**********************************************************************
1115 * Ownerdrawn Button Functions
1116 */
1117
1118static void OB_Paint(HWND hwnd,HDC hDC,WORD action)
1119{
1120 BUTTONINFO* infoPtr = (BUTTONINFO*)GetInfoPtr(hwnd);
1121 DWORD dwStyle = GetWindowLongA(hwnd,GWL_STYLE);
1122 DRAWITEMSTRUCT dis;
1123
1124 dis.CtlType = ODT_BUTTON;
1125 dis.CtlID = GetWindowLongA(hwnd,GWL_ID);
1126 dis.itemID = 0;
1127 dis.itemAction = action;
1128 dis.itemState = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
1129 ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
1130 ((dwStyle & WS_DISABLED) ? ODS_DISABLED : 0);
1131 dis.hwndItem = hwnd;
1132 dis.hDC = hDC;
1133 dis.itemData = 0;
1134 GetClientRect( hwnd, &dis.rcItem );
1135
1136 SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) );
1137
1138 dprintf(("OWNERDRAW button %x, enabled %d", hwnd, !(dwStyle & WS_DISABLED)));
1139 SendMessageA( GetParent(hwnd), WM_DRAWITEM,
1140 GetWindowLongA(hwnd,GWL_ID), (LPARAM)&dis );
1141}
1142
1143BOOL BUTTON_Register()
1144{
1145 WNDCLASSA wndClass;
1146
1147//SvL: Don't check this now
1148// if (GlobalFindAtomA(BUTTONCLASSNAME)) return FALSE;
1149
1150 ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1151 wndClass.style = CS_GLOBALCLASS | CS_HREDRAW | CS_VREDRAW | CS_PARENTDC | CS_DBLCLKS;
1152 wndClass.lpfnWndProc = (WNDPROC)ButtonWndProc;
1153 wndClass.cbClsExtra = 0;
1154 wndClass.cbWndExtra = sizeof(BUTTONINFO);
1155 wndClass.hCursor = LoadCursorA(0,IDC_ARROWA);
1156// wndClass.hbrBackground = (HBRUSH)0;
1157 wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1158 wndClass.lpszClassName = BUTTONCLASSNAME;
1159
1160 return RegisterClassA(&wndClass);
1161}
1162
1163BOOL BUTTON_Unregister()
1164{
1165 if (GlobalFindAtomA(BUTTONCLASSNAME))
1166 return UnregisterClassA(BUTTONCLASSNAME,(HINSTANCE)NULL);
1167 else return FALSE;
1168}
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