source: trunk/src/user32/win32dlg.cpp@ 1509

Last change on this file since 1509 was 1507, checked in by sandervl, 26 years ago

Focus + dialog fixes
File size: 36.3 KB
Line 
1/* $Id: win32dlg.cpp,v 1.21 1999-10-28 23:51:05 sandervl Exp $ */
2/*
3 * Win32 Dialog Code for OS/2
4 *
5 * Copyright 1999 Sander van Leeuwen (sandervl@xs4all.nl) (Wine port & OS/2 adaption)
6 *
7 * Based on Wine code (990815; windows\dialog.c)
8 *
9 * Copyright 1993, 1994, 1996 Alexandre Julliard
10 *
11 * Project Odin Software License can be found in LICENSE.TXT
12 *
13 */
14#include <os2win.h>
15#include <windowsx.h>
16#include <stdlib.h>
17#include <string.h>
18#include <misc.h>
19#include <win32dlg.h>
20#include "oslibmsg.h"
21#include "win32wdesktop.h"
22#include "controls.h"
23
24#define DEFAULT_DLGFONT "9.WarpSans"
25
26//******************************************************************************
27//******************************************************************************
28Win32Dialog::Win32Dialog(HINSTANCE hInst, LPCSTR dlgTemplate, HWND owner,
29 DLGPROC dlgProc, LPARAM param, BOOL isUnicode)
30 : Win32BaseWindow(OBJTYPE_DIALOG)
31{
32 RECT rect;
33 WORD style;
34 ATOM classAtom;
35
36 this->isUnicode = isUnicode;
37 hUserFont = 0;
38 hMenu = 0;
39 hwndFocus = 0;
40 Win32DlgProc = 0;
41 msgResult = 0;
42 userDlgData = 0;
43 idResult = 0;
44 dialogFlags = 0;
45 memset(&dlgInfo, 0, sizeof(dlgInfo));
46
47 dprintf(("********* CREATE DIALOG ************"));
48 if(fInitialized == FALSE) {
49 if(DIALOG_Init() == FALSE) {
50 dprintf(("DIALOG_Init FAILED!"));
51 DebugInt3();
52 SetLastError(ERROR_GEN_FAILURE);
53 return;
54 }
55 fInitialized = TRUE;
56 }
57 xUnit = xBaseUnit;
58 yUnit = yBaseUnit;
59
60 /* Parse dialog template */
61 dlgTemplate = parseTemplate(dlgTemplate, &dlgInfo);
62
63 /* Load menu */
64 if (dlgInfo.menuName)
65 {
66 hMenu = LoadMenuW( hInst, (LPCWSTR)dlgInfo.menuName );
67 }
68
69 /* Create custom font if needed */
70 if (dlgInfo.style & DS_SETFONT)
71 {
72 /* The font height must be negative as it is a point size */
73 /* (see CreateFont() documentation in the Windows SDK). */
74 hUserFont = CreateFontW(-(dlgInfo.pointSize*3)/2, 0, 0, 0,
75 dlgInfo.weight, dlgInfo.italic, FALSE,
76 FALSE, DEFAULT_CHARSET, 0, 0, PROOF_QUALITY,
77 FF_DONTCARE, (LPCWSTR)dlgInfo.faceName );
78 if (hUserFont)
79 {
80 SIZE charSize;
81 getCharSize(hUserFont,&charSize);
82 xUnit = charSize.cx;
83 yUnit = charSize.cy;
84 }
85 }
86
87 /* Create dialog main window */
88 rect.left = rect.top = 0;
89 rect.right = dlgInfo.cx * xUnit / 4;
90 rect.bottom = dlgInfo.cy * yUnit / 8;
91 if (dlgInfo.style & DS_MODALFRAME)
92 dlgInfo.exStyle |= WS_EX_DLGMODALFRAME;
93
94 AdjustWindowRectEx( &rect, dlgInfo.style, hMenu ? TRUE : FALSE , dlgInfo.exStyle );
95 rect.right -= rect.left;
96 rect.bottom -= rect.top;
97
98 if ((INT16)dlgInfo.x == CW_USEDEFAULT16)
99 {
100 rect.left = rect.top = CW_USEDEFAULT;
101 }
102 else
103 {
104 if (dlgInfo.style & DS_CENTER)
105 {
106 rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
107 rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
108 }
109 else
110 {
111 rect.left += dlgInfo.x * xUnit / 4;
112 rect.top += dlgInfo.y * yUnit / 8;
113 }
114 if ( !(dlgInfo.style & WS_CHILD) )
115 {
116 INT dX, dY;
117
118 if( !(dlgInfo.style & DS_ABSALIGN) )
119 ClientToScreen(owner, (POINT *)&rect );
120
121 /* try to fit it into the desktop */
122
123 if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
124 - GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
125 if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
126 - GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
127 if( rect.left < 0 ) rect.left = 0;
128 if( rect.top < 0 ) rect.top = 0;
129 }
130 }
131
132 /* Create the dialog window */
133
134 /* Find the class atom */
135 if (!HIWORD(dlgInfo.className))
136 {
137 classAtom = (ATOM)LOWORD(dlgInfo.className);
138 }
139 else
140 if (!(classAtom = GlobalFindAtomW((LPWSTR)dlgInfo.className)))
141 {
142 SetLastError(ERROR_INVALID_PARAMETER);
143 return;
144 }
145 CREATESTRUCTA cs;
146 cs.lpCreateParams = NULL;
147 cs.hInstance = hInst;
148 cs.hMenu = hMenu;
149 cs.hwndParent = owner;
150 cs.x = rect.left;
151 cs.y = rect.top;
152 cs.cx = rect.right;
153 cs.cy = rect.bottom;
154 cs.style = dlgInfo.style & ~WS_VISIBLE;
155 if(!isUnicode) {
156 if(dlgInfo.caption) {
157 cs.lpszName = UnicodeToAsciiString((LPWSTR)dlgInfo.caption);
158 }
159 else cs.lpszName = 0;
160 if(HIWORD(cs.lpszClass)) {
161 cs.lpszClass = UnicodeToAsciiString((LPWSTR)dlgInfo.className);
162 }
163 else cs.lpszClass = dlgInfo.className;
164 }
165 else {
166 cs.lpszName = dlgInfo.caption;
167 cs.lpszClass = dlgInfo.className;
168 }
169 cs.dwExStyle = dlgInfo.exStyle;
170
171 fIsDialog = TRUE;
172 Win32DlgProc = dlgProc;
173
174 this->tmpParam = param;
175 this->tmpDlgTemplate = (LPSTR)dlgTemplate;
176
177 if (CreateWindowExA(&cs, classAtom) == FALSE)
178 {
179 if (hUserFont) DeleteObject( hUserFont );
180 if (hMenu) DestroyMenu( hMenu );
181 SetLastError(ERROR_OUTOFMEMORY); //TODO: Wrong error
182 return;
183 }
184 SetLastError(0);
185 return;
186}
187//******************************************************************************
188//******************************************************************************
189Win32Dialog::~Win32Dialog()
190{
191 if (hUserFont) DeleteObject( hUserFont );
192 if (hMenu) DestroyMenu( hMenu );
193}
194//******************************************************************************
195//******************************************************************************
196ULONG Win32Dialog::MsgCreate(HWND hwndFrame, HWND hwndClient)
197{
198 CREATESTRUCTA *cs = tmpcs; //pointer to CREATESTRUCT used in CreateWindowExA method
199 LPARAM param = tmpParam;
200 LPSTR dlgTemplate = tmpDlgTemplate;
201
202 Win32BaseWindow::MsgCreate(hwndFrame, hwndClient);
203
204 if(!isUnicode) {
205 if(cs->lpszName) FreeAsciiString((LPSTR)cs->lpszName);
206 if(HIWORD(cs->lpszClass)) {
207 FreeAsciiString((LPSTR)cs->lpszClass);
208 }
209 }
210
211//TODO:
212// wndPtr->helpContext = helpId;
213
214 if (hUserFont)
215 SendMessageA(WM_SETFONT, (WPARAM)hUserFont, 0 );
216
217 /* Create controls */
218 if (createControls(dlgTemplate, hInstance))
219 {
220 dprintf(("********* DIALOG CONTROLS CREATED ************"));
221 /* Send initialisation messages and set focus */
222 hwndFocus = GetNextDlgTabItem( getWindowHandle(), 0, FALSE );
223
224 if (SendMessageA(WM_INITDIALOG, (WPARAM)hwndFocus, param))
225 SetFocus(hwndFocus);
226
227 if (dlgInfo.style & WS_VISIBLE && !(getStyle() & WS_VISIBLE))
228 {
229 ShowWindow( SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
230 ::UpdateWindow( getWindowHandle() );
231 }
232 SetLastError(0);
233 dprintf(("********* DIALOG CREATED ************"));
234 return TRUE;
235 }
236 dprintf(("********* DIALOG CREATION FAILED! ************"));
237 return FALSE;
238}
239/***********************************************************************
240 * DIALOG_DoDialogBox
241 */
242INT Win32Dialog::doDialogBox()
243{
244 Win32BaseWindow *topOwner;
245 MSG msg;
246 INT retval;
247
248 /* Owner must be a top-level window */
249 if(getOwner() == NULL) {
250 topOwner = windowDesktop;
251 }
252 else topOwner = getOwner()->getTopParent();
253
254 if(topOwner == NULL) {
255 dprintf(("Dialog box has no top owner!!!"));
256 return -1;
257 }
258
259 if (!dialogFlags & DF_END) /* was EndDialog called in WM_INITDIALOG ? */
260 {
261 topOwner->EnableWindow( FALSE );
262 ShowWindow( SW_SHOW );
263
264 //CB: 100% CPU usage, need a better solution with OSLibWinGetMsg
265 // is WM_ENTERIDLE used and leaving away breaks an application?
266 // this style was useful for Win3.1 but today there are threads
267 // solution: send only few WM_ENTERIDLE messages
268
269#if 1
270 while (TRUE)
271 {
272 if (!OSLibWinPeekMsg(&msg,0,0,0,MSG_NOREMOVE))
273 {
274 if(!(getStyle() & DS_NOIDLEMSG))
275 topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
276 OSLibWinGetMsg(&msg,0,0,0);
277 } else OSLibWinPeekMsg(&msg,0,0,0,MSG_REMOVE);
278
279 if(msg.message == WM_QUIT)
280 {
281 dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
282 break;
283 }
284 if (!IsDialogMessageA( getWindowHandle(), &msg))
285 {
286 TranslateMessage( &msg );
287 DispatchMessageA( &msg );
288 }
289 if (dialogFlags & DF_END) break;
290 }
291#else
292 while (TRUE) {
293// while (OSLibWinPeekMsg(&msg, getWindowHandle(), owner, MSGF_DIALOGBOX,
294// MSG_REMOVE, !(getStyle() & DS_NOIDLEMSG), NULL ))
295// if(OSLibWinPeekMsg(&msg, topOwner->getOS2FrameWindowHandle(), 0, 0, MSG_REMOVE))
296 if(OSLibWinPeekMsg(&msg, 0, 0, 0, MSG_REMOVE))
297 {
298 if(msg.message == WM_QUIT) {
299 dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
300 break;
301 }
302 if (!IsDialogMessageA( getWindowHandle(), &msg))
303 {
304 TranslateMessage( &msg );
305 DispatchMessageA( &msg );
306 }
307 if (dialogFlags & DF_END) break;
308 }
309 else {
310 if(!(getStyle() & DS_NOIDLEMSG)) {
311 topOwner->SendMessageA(WM_ENTERIDLE, MSGF_DIALOGBOX, getWindowHandle());
312 }
313 }
314 }
315#endif
316 topOwner->EnableWindow( TRUE );
317 }
318 retval = idResult;
319 DestroyWindow();
320 return retval;
321}
322/***********************************************************************
323 * DIALOG_Init
324 *
325 * Initialisation of the dialog manager.
326 */
327BOOL Win32Dialog::DIALOG_Init(void)
328{
329 HDC hdc;
330 SIZE size;
331
332 /* Calculate the dialog base units */
333 if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
334 if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
335 DeleteDC( hdc );
336 xBaseUnit = size.cx;
337 yBaseUnit = size.cy;
338
339 return TRUE;
340}
341/***********************************************************************
342 * DIALOG_GetCharSizeFromDC
343 *
344 *
345 * Calculates the *true* average size of English characters in the
346 * specified font as oppposed to the one returned by GetTextMetrics.
347 */
348BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
349{
350 BOOL Success = FALSE;
351 HFONT hUserFontPrev = 0;
352 pSize->cx = xBaseUnit;
353 pSize->cy = yBaseUnit;
354
355 if ( hDC )
356 {
357 /* select the font */
358 TEXTMETRICA tm;
359 memset(&tm,0,sizeof(tm));
360 if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
361 if (GetTextMetricsA(hDC,&tm))
362 {
363 pSize->cx = tm.tmAveCharWidth;
364 pSize->cy = tm.tmHeight;
365
366 /* if variable width font */
367 if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
368 {
369 SIZE total;
370 static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
371
372 /* Calculate a true average as opposed to the one returned
373 * by tmAveCharWidth. This works better when dealing with
374 * proportional spaced fonts and (more important) that's
375 * how Microsoft's dialog creation code calculates the size
376 * of the font
377 */
378 if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
379 {
380 /* round up */
381 pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
382 Success = TRUE;
383 }
384 }
385 else
386 {
387 Success = TRUE;
388 }
389 }
390
391 /* select the original font */
392 if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
393 }
394 return (Success);
395}
396/***********************************************************************
397 * DIALOG_GetCharSize
398 *
399 *
400 * Calculates the *true* average size of English characters in the
401 * specified font as oppposed to the one returned by GetTextMetrics.
402 * A convenient variant of DIALOG_GetCharSizeFromDC.
403 */
404BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
405{
406 HDC hDC = GetDC(0);
407 BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
408 ReleaseDC(0, hDC);
409 return Success;
410}
411/***********************************************************************
412 * DIALOG_ParseTemplate32
413 *
414 * Fill a DLG_TEMPLATE structure from the dialog template, and return
415 * a pointer to the first control.
416 */
417LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
418{
419 const WORD *p = (const WORD *)dlgtemplate;
420
421 result->style = GET_DWORD(p); p += 2;
422 if (result->style == 0xffff0001) /* DIALOGEX resource */
423 {
424 result->dialogEx = TRUE;
425 result->helpId = GET_DWORD(p); p += 2;
426 result->exStyle = GET_DWORD(p); p += 2;
427 result->style = GET_DWORD(p); p += 2;
428 }
429 else
430 {
431 result->dialogEx = FALSE;
432 result->helpId = 0;
433 result->exStyle = GET_DWORD(p); p += 2;
434 }
435 result->nbItems = GET_WORD(p); p++;
436 result->x = GET_WORD(p); p++;
437 result->y = GET_WORD(p); p++;
438 result->cx = GET_WORD(p); p++;
439 result->cy = GET_WORD(p); p++;
440
441 /* Get the menu name */
442
443 switch(GET_WORD(p))
444 {
445 case 0x0000:
446 result->menuName = NULL;
447 p++;
448 break;
449 case 0xffff:
450 result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
451 p += 2;
452 break;
453 default:
454 result->menuName = (LPCSTR)p;
455 p += lstrlenW( (LPCWSTR)p ) + 1;
456 break;
457 }
458
459 /* Get the class name */
460 switch(GET_WORD(p))
461 {
462 case 0x0000:
463 result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
464 p++;
465 break;
466 case 0xffff:
467 result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
468 p += 2;
469 break;
470 default:
471 result->className = (LPCSTR)p;
472 p += lstrlenW( (LPCWSTR)p ) + 1;
473 break;
474 }
475
476 /* Get the window caption */
477
478 result->caption = (LPCSTR)p;
479 p += lstrlenW( (LPCWSTR)p ) + 1;
480
481 /* Get the font name */
482
483 if (result->style & DS_SETFONT)
484 {
485 result->pointSize = GET_WORD(p);
486 p++;
487 if (result->dialogEx)
488 {
489 result->weight = GET_WORD(p); p++;
490 result->italic = LOBYTE(GET_WORD(p)); p++;
491 }
492 else
493 {
494 result->weight = FW_DONTCARE;
495 result->italic = FALSE;
496 }
497 result->faceName = (LPCSTR)p;
498 p += lstrlenW( (LPCWSTR)p ) + 1;
499 }
500
501 /* First control is on dword boundary */
502 return (LPCSTR)((((int)p) + 3) & ~3);
503}
504/***********************************************************************
505 * DIALOG_GetControl32
506 *
507 * Return the class and text of the control pointed to by ptr,
508 * fill the header structure and return a pointer to the next control.
509 */
510WORD *Win32Dialog::getControl(const WORD *p, DLG_CONTROL_INFO *info, BOOL dialogEx)
511{
512 if (dialogEx)
513 {
514 info->helpId = GET_DWORD(p); p += 2;
515 info->exStyle = GET_DWORD(p); p += 2;
516 info->style = GET_DWORD(p); p += 2;
517 }
518 else
519 {
520 info->helpId = 0;
521 info->style = GET_DWORD(p); p += 2;
522 info->exStyle = GET_DWORD(p); p += 2;
523 }
524 info->x = GET_WORD(p); p++;
525 info->y = GET_WORD(p); p++;
526 info->cx = GET_WORD(p); p++;
527 info->cy = GET_WORD(p); p++;
528
529 if (dialogEx)
530 {
531 /* id is a DWORD for DIALOGEX */
532 info->id = GET_DWORD(p);
533 p += 2;
534 }
535 else
536 {
537 info->id = GET_WORD(p);
538 p++;
539 }
540
541 if (GET_WORD(p) == 0xffff)
542 {
543 static const WCHAR class_names[6][10] =
544 {
545 { 'B','u','t','t','o','n', }, /* 0x80 */
546 { 'E','d','i','t', }, /* 0x81 */
547 { 'S','t','a','t','i','c', }, /* 0x82 */
548 { 'L','i','s','t','B','o','x', }, /* 0x83 */
549 { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
550 { 'C','o','m','b','o','B','o','x', } /* 0x85 */
551 };
552 WORD id = GET_WORD(p+1);
553 if ((id >= 0x80) && (id <= 0x85))
554 info->className = (LPCSTR)class_names[id - 0x80];
555 else
556 {
557 info->className = NULL;
558 dprintf(("Unknown built-in class id %04x\n", id ));
559 }
560 p += 2;
561 }
562 else
563 {
564 info->className = (LPCSTR)p;
565 p += lstrlenW( (LPCWSTR)p ) + 1;
566 }
567
568 if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
569 {
570 info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
571 p += 2;
572 }
573 else
574 {
575 info->windowName = (LPCSTR)p;
576 p += lstrlenW( (LPCWSTR)p ) + 1;
577 }
578
579 if (GET_WORD(p))
580 {
581 info->data = (LPVOID)(p + 1);
582 p += GET_WORD(p) / sizeof(WORD);
583 }
584 else info->data = NULL;
585 p++;
586
587 /* Next control is on dword boundary */
588 return (WORD *)((((int)p) + 3) & ~3);
589}
590
591
592/***********************************************************************
593 * DIALOG_CreateControls
594 *
595 * Create the control windows for a dialog.
596 */
597BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
598{
599 DLG_CONTROL_INFO info;
600 HWND hwndCtrl, hwndDefButton = 0;
601 INT items = dlgInfo.nbItems;
602
603 while (items--)
604 {
605 dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
606
607 dprintf(("Create CONTROL %d", info.id));
608 if(isUnicode) {
609 hwndCtrl = ::CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
610 (LPCWSTR)info.className,
611 (LPCWSTR)info.windowName,
612 info.style | WS_CHILD,
613 info.x * xUnit / 4,
614 info.y * yUnit / 8,
615 info.cx * xUnit / 4,
616 info.cy * yUnit / 8,
617 getWindowHandle(), (HMENU)info.id,
618 hInst, info.data );
619 }
620 else {
621 char *classNameA = NULL;
622 char *windowNameA = NULL;
623
624 if(HIWORD(info.className)) {
625 classNameA = UnicodeToAsciiString((LPWSTR)info.className);
626 }
627 else classNameA = (char *)info.className;
628
629 if(HIWORD(info.windowName)) {
630 windowNameA = UnicodeToAsciiString((LPWSTR)info.windowName);
631 }
632 hwndCtrl = ::CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
633 classNameA,
634 windowNameA,
635 info.style | WS_CHILD,
636 info.x * xUnit / 4,
637 info.y * yUnit / 8,
638 info.cx * xUnit / 4,
639 info.cy * yUnit / 8,
640 getWindowHandle(), (HMENU)info.id,
641 hInst, info.data );
642 if(HIWORD(classNameA)) {
643 FreeAsciiString(classNameA);
644 }
645 if(windowNameA) {
646 FreeAsciiString(windowNameA);
647 }
648 }
649
650 if (!hwndCtrl) return FALSE;
651
652 /* Send initialisation messages to the control */
653 if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
654
655 if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
656 {
657 /* If there's already a default push-button, set it back */
658 /* to normal and use this one instead. */
659 if (hwndDefButton)
660 ::SendMessageA( hwndDefButton, BM_SETSTYLE,
661 BS_PUSHBUTTON,FALSE );
662 hwndDefButton = hwndCtrl;
663 idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
664 }
665 dprintf(("Create CONTROL %d DONE", info.id));
666 }
667 return TRUE;
668}
669/***********************************************************************
670 * DEFDLG_Proc
671 *
672 * Implementation of DefDlgProc(). Only handle messages that need special
673 * handling for dialogs.
674 */
675LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
676{
677 switch(msg)
678 {
679 case WM_ERASEBKGND:
680 {
681 RECT rect;
682 int rc;
683 /* Since WM_ERASEBKGND may receive either a window dc or a */
684 /* client dc, the area to be erased has to be retrieved from */
685 /* the device context. */
686 rc = GetClipBox( (HDC)wParam, &rect );
687 if ((rc == SIMPLEREGION) || (rc == COMPLEXREGION))
688 FillRect( (HDC)wParam, &rect, windowClass->getBackgroundBrush());
689 return 1;
690 }
691 case WM_NCDESTROY:
692 /* Free dialog heap (if created) */
693#if 0
694 if (dlgInfo->hDialogHeap)
695 {
696 GlobalUnlock16(dlgInfo->hDialogHeap);
697 GlobalFree16(dlgInfo->hDialogHeap);
698 dlgInfo->hDialogHeap = 0;
699 }
700#endif
701 /* Delete font */
702 if (hUserFont)
703 {
704 DeleteObject( hUserFont );
705 hUserFont = 0;
706 }
707
708 /* Delete menu */
709 if (hMenu)
710 {
711 DestroyMenu( hMenu );
712 hMenu = 0;
713 }
714
715 /* Delete window procedure */
716 Win32DlgProc = 0;
717 dialogFlags |= DF_END; /* just in case */
718
719 /* Window clean-up */
720 return DefWindowProcA(msg, wParam, lParam );
721
722 case WM_SHOWWINDOW:
723 if (!wParam) saveFocus();
724 return DefWindowProcA(msg, wParam, lParam );
725
726 case WM_ACTIVATE:
727 if (wParam) {
728 restoreFocus();
729 }
730 else saveFocus();
731 return 0;
732
733 case WM_SETFOCUS:
734 restoreFocus();
735 return 0;
736
737 case DM_SETDEFID:
738 if (dialogFlags & DF_END)
739 return 1;
740
741 setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
742 return 1;
743
744 case DM_GETDEFID:
745 {
746 HWND hwndDefId;
747 if (dialogFlags & DF_END) return 0;
748 if (idResult)
749 return MAKELONG( idResult, DC_HASDEFID );
750 if ((hwndDefId = findDefButton()))
751 return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
752
753 return 0;
754 }
755
756 case WM_NEXTDLGCTL:
757 {
758 HWND hwndDest = (HWND)wParam;
759 if (!lParam)
760 hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
761 if (hwndDest) setFocus( hwndDest );
762 setDefButton( hwndDest );
763 return 0;
764 }
765
766 case WM_ENTERMENULOOP:
767 case WM_LBUTTONDOWN:
768 case WM_NCLBUTTONDOWN:
769 {
770 HWND hwndCurFocus = GetFocus();
771 if (hwndCurFocus)
772 {
773 Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
774
775 if(wndFocus)
776 {
777 /* always make combo box hide its listbox control */
778 if( WIDGETS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
779 wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
780 else
781 if( WIDGETS_IsControl( wndFocus, EDIT_CONTROL ) &&
782 WIDGETS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
783 wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
784 }
785 }
786 return DefWindowProcA( msg, wParam, lParam );
787 }
788
789 case WM_GETFONT:
790 return hUserFont;
791
792 case WM_CLOSE:
793 PostMessageA(WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
794 return 0;
795
796 case WM_NOTIFYFORMAT:
797 return DefWindowProcA(msg, wParam, lParam );
798 }
799 return 0;
800}
801//******************************************************************************
802//******************************************************************************
803LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
804{
805 BOOL result = FALSE;
806
807 msgResult = 0;
808
809 if (Win32DlgProc) { /* Call dialog procedure */
810 result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
811 }
812
813 if (!result && IsWindow())
814 {
815 /* callback didn't process this message */
816 switch(Msg)
817 {
818 case WM_ERASEBKGND:
819 case WM_SHOWWINDOW:
820 case WM_ACTIVATE:
821 case WM_SETFOCUS:
822 case DM_SETDEFID:
823 case DM_GETDEFID:
824 case WM_NEXTDLGCTL:
825 case WM_GETFONT:
826 case WM_CLOSE:
827 case WM_NCDESTROY:
828 case WM_ENTERMENULOOP:
829 case WM_LBUTTONDOWN:
830 case WM_NCLBUTTONDOWN:
831 return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
832
833 case WM_INITDIALOG:
834 case WM_VKEYTOITEM:
835 case WM_COMPAREITEM:
836 case WM_CHARTOITEM:
837 break;
838
839 default:
840 return DefWindowProcA(Msg, wParam, lParam );
841 }
842 }
843 return DefDlg_Epilog(Msg, result);
844}
845//******************************************************************************
846//******************************************************************************
847LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
848{
849 BOOL result = FALSE;
850
851 msgResult = 0;
852
853 if (Win32DlgProc) { /* Call dialog procedure */
854 result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
855 }
856
857 if (!result && IsWindow())
858 {
859 /* callback didn't process this message */
860 switch(Msg)
861 {
862 case WM_ERASEBKGND:
863 case WM_SHOWWINDOW:
864 case WM_ACTIVATE:
865 case WM_SETFOCUS:
866 case DM_SETDEFID:
867 case DM_GETDEFID:
868 case WM_NEXTDLGCTL:
869 case WM_GETFONT:
870 case WM_CLOSE:
871 case WM_NCDESTROY:
872 case WM_ENTERMENULOOP:
873 case WM_LBUTTONDOWN:
874 case WM_NCLBUTTONDOWN:
875 return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
876
877 case WM_INITDIALOG:
878 case WM_VKEYTOITEM:
879 case WM_COMPAREITEM:
880 case WM_CHARTOITEM:
881 break;
882
883 default:
884 return DefWindowProcW(Msg, wParam, lParam );
885 }
886 }
887 return DefDlg_Epilog(Msg, result);
888}
889/***********************************************************************
890 * DEFDLG_Epilog
891 */
892LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
893{
894 /* see SDK 3.1 */
895 if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
896 msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
897 msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
898 msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
899 return fResult;
900
901 return msgResult;
902}
903/***********************************************************************
904 * DEFDLG_SetFocus
905 *
906 * Set the focus to a control of the dialog, selecting the text if
907 * the control is an edit dialog.
908 */
909void Win32Dialog::setFocus(HWND hwndCtrl )
910{
911 HWND hwndPrev = GetFocus();
912
913 if (IsChild( hwndPrev ))
914 {
915 if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
916 ::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
917 }
918 if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
919 ::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
920 SetFocus( hwndCtrl );
921}
922
923
924/***********************************************************************
925 * DEFDLG_SaveFocus
926 */
927BOOL Win32Dialog::saveFocus()
928{
929 HWND hwndCurrentFocus = GetFocus();
930
931 if (!hwndCurrentFocus || !IsChild( hwndCurrentFocus )) return FALSE;
932
933 hwndFocus = hwndCurrentFocus;
934 /* Remove default button */
935 return TRUE;
936}
937
938
939/***********************************************************************
940 * DEFDLG_RestoreFocus
941 */
942BOOL Win32Dialog::restoreFocus()
943{
944 if (!hwndFocus || IsIconic()) return FALSE;
945
946 if (!::IsWindow( hwndFocus )) return FALSE;
947
948 /* Don't set the focus back to controls if EndDialog is already called.*/
949 if (!(dialogFlags & DF_END))
950 setFocus(hwndFocus);
951
952 /* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
953 sometimes losing focus when receiving WM_SETFOCUS messages. */
954 return TRUE;
955}
956
957
958/***********************************************************************
959 * DEFDLG_FindDefButton
960 *
961 * Find the current default push-button.
962 */
963HWND Win32Dialog::findDefButton()
964{
965 HWND hwndChild = GetWindow( GW_CHILD );
966 while (hwndChild)
967 {
968 if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
969 break;
970 hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
971 }
972 return hwndChild;
973}
974
975
976/***********************************************************************
977 * DEFDLG_SetDefButton
978 *
979 * Set the new default button to be hwndNew.
980 */
981BOOL Win32Dialog::setDefButton(HWND hwndNew )
982{
983 if (hwndNew &&
984 !(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
985 return FALSE; /* Destination is not a push button */
986
987 if (idResult) /* There's already a default pushbutton */
988 {
989 HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
990 if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
991 ::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
992 }
993 if (hwndNew)
994 {
995 ::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
996 idResult = GetDlgCtrlID( hwndNew );
997 }
998 else idResult = 0;
999 return TRUE;
1000}
1001//******************************************************************************
1002// GetNextDlgTabItem32 (USER32.276)
1003//******************************************************************************
1004HWND Win32Dialog::getNextDlgTabItem(HWND hwndCtrl, BOOL fPrevious)
1005{
1006 Win32BaseWindow *child, *nextchild, *lastchild;
1007 HWND retvalue;
1008
1009 if (hwndCtrl)
1010 {
1011 child = GetWindowFromHandle(hwndCtrl);
1012 if (!child)
1013 {
1014 retvalue = 0;
1015 goto END;
1016 }
1017 /* Make sure hwndCtrl is a top-level child */
1018 while ((child->getStyle() & WS_CHILD) && (child->getParent() != this))
1019 {
1020 child = child->getParent();
1021 if(child == NULL) break;
1022 }
1023
1024 if (!child || child->getParent() != this)
1025 {
1026 retvalue = 0;
1027 goto END;
1028 }
1029 }
1030 else
1031 {
1032 /* No ctrl specified -> start from the beginning */
1033 child = (Win32BaseWindow *)getFirstChild();
1034 if (!child)
1035 {
1036 retvalue = 0;
1037 goto END;
1038 }
1039
1040 if (!fPrevious)
1041 {
1042 while (child->getNextChild())
1043 {
1044 child = (Win32BaseWindow *)child->getNextChild();
1045 }
1046 }
1047 }
1048
1049 lastchild = child;
1050 nextchild = (Win32BaseWindow *)child->getNextChild();
1051 while (TRUE)
1052 {
1053 if (!nextchild) nextchild = (Win32BaseWindow *)getFirstChild();
1054
1055 if (child == nextchild) break;
1056
1057 if ((nextchild->getStyle() & WS_TABSTOP) && (nextchild->getStyle() & WS_VISIBLE) &&
1058 !(nextchild->getStyle() & WS_DISABLED))
1059 {
1060 lastchild = nextchild;
1061 if (!fPrevious) break;
1062 }
1063 nextchild = (Win32BaseWindow *)nextchild->getNextChild();
1064 }
1065 retvalue = lastchild->getWindowHandle();
1066
1067END:
1068 return retvalue;
1069}
1070//******************************************************************************
1071//******************************************************************************
1072HWND Win32Dialog::getNextDlgGroupItem(HWND hwndCtrl, BOOL fPrevious)
1073{
1074 Win32BaseWindow *child, *nextchild, *lastchild;
1075 HWND retvalue;
1076
1077 if (hwndCtrl)
1078 {
1079 child = GetWindowFromHandle(hwndCtrl);
1080 if (!child)
1081 {
1082 retvalue = 0;
1083 goto END;
1084 }
1085 /* Make sure hwndCtrl is a top-level child */
1086 while ((child->getStyle() & WS_CHILD) && (child->getParent() != this))
1087 {
1088 child = child->getParent();
1089 if(child == NULL) break;
1090 }
1091
1092 if (!child || child->getParent() != this)
1093 {
1094 retvalue = 0;
1095 goto END;
1096 }
1097 }
1098 else
1099 {
1100 /* No ctrl specified -> start from the beginning */
1101 child = (Win32BaseWindow *)getFirstChild();
1102 if (!child)
1103 {
1104 retvalue = 0;
1105 goto END;
1106 }
1107
1108 if (fPrevious)
1109 {
1110 while (child->getNextChild())
1111 {
1112 child = (Win32BaseWindow *)child->getNextChild();
1113 }
1114 }
1115 }
1116
1117 lastchild = child;
1118 nextchild = (Win32BaseWindow *)child->getNextChild();
1119 while (TRUE)
1120 {
1121 if (!nextchild || nextchild->getStyle() & WS_GROUP)
1122 {
1123 /* Wrap-around to the beginning of the group */
1124 Win32BaseWindow *pWndTemp;
1125
1126 nextchild = (Win32BaseWindow *)getFirstChild();
1127
1128 for(pWndTemp = nextchild;pWndTemp;pWndTemp = (Win32BaseWindow *)pWndTemp->getNextChild())
1129 {
1130 if (pWndTemp->getStyle() & WS_GROUP)
1131 nextchild = pWndTemp;
1132
1133 if (pWndTemp == child)
1134 break;
1135 }
1136
1137 }
1138 if (nextchild == child)
1139 break;
1140
1141 if ((nextchild->getStyle() & WS_VISIBLE) && !(nextchild->getStyle() & WS_DISABLED))
1142 {
1143 lastchild = nextchild;
1144
1145 if (!fPrevious)
1146 break;
1147 }
1148
1149 nextchild = (Win32BaseWindow *)nextchild->getNextChild();
1150 }
1151 retvalue = lastchild->getWindowHandle();
1152END:
1153 return retvalue;
1154}
1155//******************************************************************************
1156//******************************************************************************
1157BOOL Win32Dialog::endDialog(int retval)
1158{
1159 dialogFlags |= DF_END;
1160 idResult = retval;
1161 return TRUE;
1162}
1163//******************************************************************************
1164//******************************************************************************
1165LONG Win32Dialog::SetWindowLongA(int index, ULONG value)
1166{
1167 LONG oldval;
1168
1169 switch(index)
1170 {
1171 case DWL_DLGPROC:
1172 oldval = (LONG)Win32DlgProc;
1173 Win32DlgProc = (DLGPROC)index;
1174 return oldval;
1175 case DWL_MSGRESULT:
1176 oldval = msgResult;
1177 msgResult = value;
1178 return oldval;
1179 case DWL_USER:
1180 oldval = userDlgData;
1181 userDlgData = value;
1182 return oldval;
1183 default:
1184 return Win32BaseWindow::SetWindowLongA(index, value);
1185 }
1186}
1187//******************************************************************************
1188//******************************************************************************
1189ULONG Win32Dialog::GetWindowLongA(int index)
1190{
1191 switch(index)
1192 {
1193 case DWL_DLGPROC:
1194 return (ULONG)Win32DlgProc;
1195 case DWL_MSGRESULT:
1196 return msgResult;
1197 case DWL_USER:
1198 return userDlgData;
1199 default:
1200 return Win32BaseWindow::GetWindowLongA(index);
1201 }
1202}
1203//******************************************************************************
1204//******************************************************************************
1205BOOL DIALOG_Register()
1206{
1207 WNDCLASSA wndClass;
1208
1209 ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1210 wndClass.style = CS_GLOBALCLASS | CS_SAVEBITS;
1211 wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1212 wndClass.cbClsExtra = 0;
1213 wndClass.cbWndExtra = 0;
1214 wndClass.hCursor = (HCURSOR)IDC_ARROWA;
1215 wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1216 wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1217
1218 return RegisterClassA(&wndClass);
1219}
1220//******************************************************************************
1221//******************************************************************************
1222BOOL DIALOG_Unregister()
1223{
1224 if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1225 return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1226 else return FALSE;
1227}
1228//******************************************************************************
1229//******************************************************************************
1230BOOL Win32Dialog::fInitialized = FALSE;
1231int Win32Dialog::xBaseUnit = 10;
1232int Win32Dialog::yBaseUnit = 20;
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