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source: trunk/src/user32/win32dlg.cpp@ 1572

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Last change on this file since 1572 was 1572, checked in by cbratschi, 26 years ago
modal dialog fixes
File size: 33.1 KB

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1	/* $Id: win32dlg.cpp,v 1.28 1999-11-03 18:00:26 cbratschi 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 "oslibwin.h"
22	#include "win32wdesktop.h"
23	#include "controls.h"
24
25	#define DEFAULT_DLGFONT "9.WarpSans"
26
27	//******************************************************************************
28	//******************************************************************************
29	Win32Dialog::Win32Dialog(HINSTANCE hInst, LPCSTR dlgTemplate, HWND owner,
30	DLGPROC dlgProc, LPARAM param, BOOL isUnicode)
31	: Win32BaseWindow(OBJTYPE_DIALOG)
32	{
33	RECT rect;
34	WORD style;
35	ATOM classAtom;
36
37	this->isUnicode = isUnicode;
38	hUserFont = 0;
39	hMenu = 0;
40	hwndFocus = 0;
41	Win32DlgProc = 0;
42	msgResult = 0;
43	userDlgData = 0;
44	idResult = 0;
45	dialogFlags = 0;
46	memset(&dlgInfo, 0, sizeof(dlgInfo));
47
48	dprintf(("******* CREATE DIALOG **********"));
49	if(fInitialized == FALSE) {
50	if(DIALOG_Init() == FALSE) {
51	dprintf(("DIALOG_Init FAILED!"));
52	DebugInt3();
53	SetLastError(ERROR_GEN_FAILURE);
54	return;
55	}
56	fInitialized = TRUE;
57	}
58	xUnit = xBaseUnit;
59	yUnit = yBaseUnit;
60
61	/* Parse dialog template */
62	dlgTemplate = parseTemplate(dlgTemplate, &dlgInfo);
63
64	/* Load menu */
65	if (dlgInfo.menuName)
66	{
67	hMenu = LoadMenuW( hInst, (LPCWSTR)dlgInfo.menuName );
68	}
69
70	/* Create custom font if needed */
71	if (dlgInfo.style & DS_SETFONT)
72	{
73	/* The font height must be negative as it is a point size */
74	/* (see CreateFont() documentation in the Windows SDK). */
75	hUserFont = CreateFontW(-(dlgInfo.pointSize*3)/2, 0, 0, 0,
76	dlgInfo.weight, dlgInfo.italic, FALSE,
77	FALSE, DEFAULT_CHARSET, 0, 0, PROOF_QUALITY,
78	FF_DONTCARE, (LPCWSTR)dlgInfo.faceName );
79	if (hUserFont)
80	{
81	SIZE charSize;
82	getCharSize(hUserFont,&charSize);
83	xUnit = charSize.cx;
84	yUnit = charSize.cy;
85	}
86	}
87
88	/* Create dialog main window */
89	rect.left = rect.top = 0;
90	rect.right = dlgInfo.cx * xUnit / 4;
91	rect.bottom = dlgInfo.cy * yUnit / 8;
92	if (dlgInfo.style & DS_MODALFRAME)
93	dlgInfo.exStyle \|= WS_EX_DLGMODALFRAME;
94
95	AdjustWindowRectEx( &rect, dlgInfo.style, hMenu ? TRUE : FALSE , dlgInfo.exStyle );
96	rect.right -= rect.left;
97	rect.bottom -= rect.top;
98
99	if ((INT16)dlgInfo.x == CW_USEDEFAULT16)
100	{
101	rect.left = rect.top = CW_USEDEFAULT;
102	}
103	else
104	{
105	if (dlgInfo.style & DS_CENTER)
106	{
107	rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
108	rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
109	}
110	else
111	{
112	rect.left += dlgInfo.x * xUnit / 4;
113	rect.top += dlgInfo.y * yUnit / 8;
114	}
115	if ( !(dlgInfo.style & WS_CHILD) )
116	{
117	INT dX, dY;
118
119	if( !(dlgInfo.style & DS_ABSALIGN) )
120	ClientToScreen(owner, (POINT *)&rect );
121
122	/* try to fit it into the desktop */
123
124	if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
125	- GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
126	if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
127	- GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
128	if( rect.left < 0 ) rect.left = 0;
129	if( rect.top < 0 ) rect.top = 0;
130	}
131	}
132
133	/* Create the dialog window */
134
135	/* Find the class atom */
136	if (!HIWORD(dlgInfo.className))
137	{
138	classAtom = (ATOM)LOWORD(dlgInfo.className);
139	}
140	else
141	if (!(classAtom = GlobalFindAtomW((LPWSTR)dlgInfo.className)))
142	{
143	SetLastError(ERROR_INVALID_PARAMETER);
144	return;
145	}
146	CREATESTRUCTA cs;
147	cs.lpCreateParams = NULL;
148	cs.hInstance = hInst;
149	cs.hMenu = hMenu;
150	cs.hwndParent = owner;
151	cs.x = rect.left;
152	cs.y = rect.top;
153	cs.cx = rect.right;
154	cs.cy = rect.bottom;
155	cs.style = dlgInfo.style & ~WS_VISIBLE;
156	if(!isUnicode) {
157	if(dlgInfo.caption) {
158	cs.lpszName = UnicodeToAsciiString((LPWSTR)dlgInfo.caption);
159	}
160	else cs.lpszName = 0;
161	if(HIWORD(cs.lpszClass)) {
162	cs.lpszClass = UnicodeToAsciiString((LPWSTR)dlgInfo.className);
163	}
164	else cs.lpszClass = dlgInfo.className;
165	}
166	else {
167	cs.lpszName = dlgInfo.caption;
168	cs.lpszClass = dlgInfo.className;
169	}
170	cs.dwExStyle = dlgInfo.exStyle;
171
172	fIsDialog = TRUE;
173	Win32DlgProc = dlgProc;
174
175	this->tmpParam = param;
176	this->tmpDlgTemplate = (LPSTR)dlgTemplate;
177
178	if (CreateWindowExA(&cs, classAtom) == FALSE)
179	{
180	if (hUserFont) DeleteObject( hUserFont );
181	if (hMenu) DestroyMenu( hMenu );
182	SetLastError(ERROR_OUTOFMEMORY); //TODO: Wrong error
183	return;
184	}
185	SetLastError(0);
186	return;
187	}
188	//******************************************************************************
189	//******************************************************************************
190	Win32Dialog::~Win32Dialog()
191	{
192	if (hUserFont) DeleteObject( hUserFont );
193	if (hMenu) DestroyMenu( hMenu );
194	}
195	//******************************************************************************
196	//******************************************************************************
197	ULONG Win32Dialog::MsgCreate(HWND hwndFrame, HWND hwndClient)
198	{
199	CREATESTRUCTA *cs = tmpcs; //pointer to CREATESTRUCT used in CreateWindowExA method
200	LPARAM param = tmpParam;
201	LPSTR dlgTemplate = tmpDlgTemplate;
202
203	Win32BaseWindow::MsgCreate(hwndFrame, hwndClient);
204
205	if(!isUnicode) {
206	if(cs->lpszName) FreeAsciiString((LPSTR)cs->lpszName);
207	if(HIWORD(cs->lpszClass)) {
208	FreeAsciiString((LPSTR)cs->lpszClass);
209	}
210	}
211
212	//TODO:
213	// wndPtr->helpContext = helpId;
214
215	if (hUserFont)
216	SendMessageA(WM_SETFONT, (WPARAM)hUserFont, 0 );
217
218	/* Create controls */
219	if (createControls(dlgTemplate, hInstance))
220	{
221	dprintf(("******* DIALOG CONTROLS CREATED **********"));
222	/* Send initialisation messages and set focus */
223	hwndFocus = GetNextDlgTabItem( getWindowHandle(), 0, FALSE );
224
225	if (SendMessageA(WM_INITDIALOG, (WPARAM)hwndFocus, param))
226	SetFocus(hwndFocus);
227
228	if (dlgInfo.style & WS_VISIBLE && !(getStyle() & WS_VISIBLE))
229	{
230	ShowWindow( SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
231	::UpdateWindow( getWindowHandle() );
232	}
233	SetLastError(0);
234	dprintf(("******* DIALOG CREATED **********"));
235	return TRUE;
236	}
237	dprintf(("******* DIALOG CREATION FAILED! **********"));
238	return FALSE;
239	}
240	//******************************************************************************
241	//******************************************************************************
242	BOOL Win32Dialog::MapDialogRect(LPRECT rect)
243	{
244	rect->left = (rect->left * xUnit) / 4;
245	rect->right = (rect->right * xUnit) / 4;
246	rect->top = (rect->top * yUnit) / 8;
247	rect->bottom = (rect->bottom * yUnit) / 8;
248	return TRUE;
249	}
250	/***********************************************************************
251	* DIALOG_DoDialogBox
252	*/
253	INT Win32Dialog::doDialogBox()
254	{
255	Win32BaseWindow *topOwner;
256	MSG msg;
257	INT retval;
258
259	/* Owner must be a top-level window */
260	if(getOwner() == NULL) {
261	topOwner = windowDesktop;
262	}
263	else topOwner = getOwner()->getTopParent();
264
265	if(topOwner == NULL) {
266	dprintf(("Dialog box has no top owner!!!"));
267	return -1;
268	}
269
270	if (!dialogFlags & DF_END) /* was EndDialog called in WM_INITDIALOG ? */
271	{
272	HWND hwndOldDialog;
273	BOOL bOldOwner;
274
275	fIsModalDialog = TRUE;
276	topOwner->EnableWindow(FALSE);
277
278	bOldOwner = topOwner->IsModalDialogOwner();
279	topOwner->setModalDialogOwner(TRUE);
280	hwndOldDialog = topOwner->getOS2HwndModalDialog();
281	topOwner->setOS2HwndModalDialog(OS2HwndFrame);
282	ShowWindow(SW_SHOW);
283
284	//CB: 100% CPU usage, need a better solution with OSLibWinGetMsg
285	// is WM_ENTERIDLE used and leaving away breaks an application?
286	// this style was useful for Win3.1 but today there are threads
287	// solution: send only few WM_ENTERIDLE messages
288
289	#if 1
290	while (TRUE)
291	{
292	if (!OSLibWinPeekMsg(&msg,0,0,0,MSG_NOREMOVE))
293	{
294	if(!(getStyle() & DS_NOIDLEMSG))
295	topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
296	OSLibWinGetMsg(&msg,0,0,0);
297	} else OSLibWinPeekMsg(&msg,0,0,0,MSG_REMOVE);
298
299	if(msg.message == WM_QUIT)
300	{
301	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
302	break;
303	}
304	if (!IsDialogMessageA( getWindowHandle(), &msg))
305	{
306	TranslateMessage( &msg );
307	DispatchMessageA( &msg );
308	}
309	if (dialogFlags & DF_END) break;
310	}
311	#else
312	while (TRUE) {
313	// while (OSLibWinPeekMsg(&msg, getWindowHandle(), owner, MSGF_DIALOGBOX,
314	// MSG_REMOVE, !(getStyle() & DS_NOIDLEMSG), NULL ))
315	// if(OSLibWinPeekMsg(&msg, topOwner->getOS2FrameWindowHandle(), 0, 0, MSG_REMOVE))
316	if(OSLibWinPeekMsg(&msg, 0, 0, 0, MSG_REMOVE))
317	{
318	if(msg.message == WM_QUIT) {
319	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
320	break;
321	}
322	if (!IsDialogMessageA( getWindowHandle(), &msg))
323	{
324	TranslateMessage( &msg );
325	DispatchMessageA( &msg );
326	}
327	if (dialogFlags & DF_END) break;
328	}
329	else {
330	if(!(getStyle() & DS_NOIDLEMSG)) {
331	topOwner->SendMessageA(WM_ENTERIDLE, MSGF_DIALOGBOX, getWindowHandle());
332	}
333	}
334	}
335	#endif
336	topOwner->setModalDialogOwner(bOldOwner);
337	topOwner->setOS2HwndModalDialog(hwndOldDialog);
338	if (!bOldOwner) topOwner->EnableWindow(TRUE);
339	}
340	retval = idResult;
341	DestroyWindow();
342	return retval;
343	}
344	/***********************************************************************
345	* DIALOG_Init
346	*
347	* Initialisation of the dialog manager.
348	*/
349	BOOL Win32Dialog::DIALOG_Init(void)
350	{
351	HDC hdc;
352	SIZE size;
353
354	/* Calculate the dialog base units */
355	if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
356	if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
357	DeleteDC( hdc );
358	xBaseUnit = size.cx;
359	yBaseUnit = size.cy;
360
361	return TRUE;
362	}
363	/***********************************************************************
364	* DIALOG_GetCharSizeFromDC
365	*
366	*
367	* Calculates the true average size of English characters in the
368	* specified font as oppposed to the one returned by GetTextMetrics.
369	*/
370	BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
371	{
372	BOOL Success = FALSE;
373	HFONT hUserFontPrev = 0;
374	pSize->cx = xBaseUnit;
375	pSize->cy = yBaseUnit;
376
377	if ( hDC )
378	{
379	/* select the font */
380	TEXTMETRICA tm;
381	memset(&tm,0,sizeof(tm));
382	if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
383	if (GetTextMetricsA(hDC,&tm))
384	{
385	pSize->cx = tm.tmAveCharWidth;
386	pSize->cy = tm.tmHeight;
387
388	/* if variable width font */
389	if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
390	{
391	SIZE total;
392	static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
393
394	/* Calculate a true average as opposed to the one returned
395	* by tmAveCharWidth. This works better when dealing with
396	* proportional spaced fonts and (more important) that's
397	* how Microsoft's dialog creation code calculates the size
398	* of the font
399	*/
400	if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
401	{
402	/* round up */
403	pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
404	Success = TRUE;
405	}
406	}
407	else
408	{
409	Success = TRUE;
410	}
411	}
412
413	/* select the original font */
414	if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
415	}
416	return (Success);
417	}
418	/***********************************************************************
419	* DIALOG_GetCharSize
420	*
421	*
422	* Calculates the true average size of English characters in the
423	* specified font as oppposed to the one returned by GetTextMetrics.
424	* A convenient variant of DIALOG_GetCharSizeFromDC.
425	*/
426	BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
427	{
428	HDC hDC = GetDC(0);
429	BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
430	ReleaseDC(0, hDC);
431	return Success;
432	}
433	/***********************************************************************
434	* DIALOG_ParseTemplate32
435	*
436	* Fill a DLG_TEMPLATE structure from the dialog template, and return
437	* a pointer to the first control.
438	*/
439	LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
440	{
441	const WORD p = (const WORD )dlgtemplate;
442
443	result->style = GET_DWORD(p); p += 2;
444	if (result->style == 0xffff0001) /* DIALOGEX resource */
445	{
446	result->dialogEx = TRUE;
447	result->helpId = GET_DWORD(p); p += 2;
448	result->exStyle = GET_DWORD(p); p += 2;
449	result->style = GET_DWORD(p); p += 2;
450	}
451	else
452	{
453	result->dialogEx = FALSE;
454	result->helpId = 0;
455	result->exStyle = GET_DWORD(p); p += 2;
456	}
457	result->nbItems = GET_WORD(p); p++;
458	result->x = GET_WORD(p); p++;
459	result->y = GET_WORD(p); p++;
460	result->cx = GET_WORD(p); p++;
461	result->cy = GET_WORD(p); p++;
462
463	/* Get the menu name */
464
465	switch(GET_WORD(p))
466	{
467	case 0x0000:
468	result->menuName = NULL;
469	p++;
470	break;
471	case 0xffff:
472	result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
473	p += 2;
474	break;
475	default:
476	result->menuName = (LPCSTR)p;
477	p += lstrlenW( (LPCWSTR)p ) + 1;
478	break;
479	}
480
481	/* Get the class name */
482	switch(GET_WORD(p))
483	{
484	case 0x0000:
485	result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
486	p++;
487	break;
488	case 0xffff:
489	result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
490	p += 2;
491	break;
492	default:
493	result->className = (LPCSTR)p;
494	p += lstrlenW( (LPCWSTR)p ) + 1;
495	break;
496	}
497
498	/* Get the window caption */
499
500	result->caption = (LPCSTR)p;
501	p += lstrlenW( (LPCWSTR)p ) + 1;
502
503	/* Get the font name */
504
505	if (result->style & DS_SETFONT)
506	{
507	result->pointSize = GET_WORD(p);
508	p++;
509	if (result->dialogEx)
510	{
511	result->weight = GET_WORD(p); p++;
512	result->italic = LOBYTE(GET_WORD(p)); p++;
513	}
514	else
515	{
516	result->weight = FW_DONTCARE;
517	result->italic = FALSE;
518	}
519	result->faceName = (LPCSTR)p;
520	p += lstrlenW( (LPCWSTR)p ) + 1;
521	}
522
523	/* First control is on dword boundary */
524	return (LPCSTR)((((int)p) + 3) & ~3);
525	}
526	/***********************************************************************
527	* DIALOG_GetControl32
528	*
529	* Return the class and text of the control pointed to by ptr,
530	* fill the header structure and return a pointer to the next control.
531	*/
532	WORD Win32Dialog::getControl(const WORD p, DLG_CONTROL_INFO *info, BOOL dialogEx)
533	{
534	if (dialogEx)
535	{
536	info->helpId = GET_DWORD(p); p += 2;
537	info->exStyle = GET_DWORD(p); p += 2;
538	info->style = GET_DWORD(p); p += 2;
539	}
540	else
541	{
542	info->helpId = 0;
543	info->style = GET_DWORD(p); p += 2;
544	info->exStyle = GET_DWORD(p); p += 2;
545	}
546	info->x = GET_WORD(p); p++;
547	info->y = GET_WORD(p); p++;
548	info->cx = GET_WORD(p); p++;
549	info->cy = GET_WORD(p); p++;
550
551	if (dialogEx)
552	{
553	/* id is a DWORD for DIALOGEX */
554	info->id = GET_DWORD(p);
555	p += 2;
556	}
557	else
558	{
559	info->id = GET_WORD(p);
560	p++;
561	}
562
563	if (GET_WORD(p) == 0xffff)
564	{
565	static const WCHAR class_names[6][10] =
566	{
567	{ 'B','u','t','t','o','n', }, /* 0x80 */
568	{ 'E','d','i','t', }, /* 0x81 */
569	{ 'S','t','a','t','i','c', }, /* 0x82 */
570	{ 'L','i','s','t','B','o','x', }, /* 0x83 */
571	{ 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
572	{ 'C','o','m','b','o','B','o','x', } /* 0x85 */
573	};
574	WORD id = GET_WORD(p+1);
575	if ((id >= 0x80) && (id <= 0x85))
576	info->className = (LPCSTR)class_names[id - 0x80];
577	else
578	{
579	info->className = NULL;
580	dprintf(("Unknown built-in class id %04x\n", id ));
581	}
582	p += 2;
583	}
584	else
585	{
586	info->className = (LPCSTR)p;
587	p += lstrlenW( (LPCWSTR)p ) + 1;
588	}
589
590	if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
591	{
592	info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
593	p += 2;
594	}
595	else
596	{
597	info->windowName = (LPCSTR)p;
598	p += lstrlenW( (LPCWSTR)p ) + 1;
599	}
600
601	if (GET_WORD(p))
602	{
603	info->data = (LPVOID)(p + 1);
604	p += GET_WORD(p) / sizeof(WORD);
605	}
606	else info->data = NULL;
607	p++;
608
609	/* Next control is on dword boundary */
610	return (WORD *)((((int)p) + 3) & ~3);
611	}
612
613
614	/***********************************************************************
615	* DIALOG_CreateControls
616	*
617	* Create the control windows for a dialog.
618	*/
619	BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
620	{
621	DLG_CONTROL_INFO info;
622	HWND hwndCtrl, hwndDefButton = 0;
623	INT items = dlgInfo.nbItems;
624
625	while (items--)
626	{
627	dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
628
629	dprintf(("Create CONTROL %d", info.id));
630	#if 0
631	if(isUnicode) {
632	hwndCtrl = ::CreateWindowExW( info.exStyle \| WS_EX_NOPARENTNOTIFY,
633	(LPCWSTR)info.className,
634	(LPCWSTR)info.windowName,
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	}
643	else {
644	#endif
645	char *classNameA = NULL;
646	char *windowNameA = NULL;
647
648	if(HIWORD(info.className)) {
649	classNameA = UnicodeToAsciiString((LPWSTR)info.className);
650	}
651	else classNameA = (char *)info.className;
652
653	if(HIWORD(info.windowName)) {
654	windowNameA = UnicodeToAsciiString((LPWSTR)info.windowName);
655	}
656	hwndCtrl = ::CreateWindowExA( info.exStyle \| WS_EX_NOPARENTNOTIFY,
657	classNameA,
658	windowNameA,
659	info.style \| WS_CHILD,
660	info.x * xUnit / 4,
661	info.y * yUnit / 8,
662	info.cx * xUnit / 4,
663	info.cy * yUnit / 8,
664	getWindowHandle(), (HMENU)info.id,
665	hInst, info.data );
666	if(HIWORD(classNameA)) {
667	FreeAsciiString(classNameA);
668	}
669	if(windowNameA) {
670	FreeAsciiString(windowNameA);
671	}
672	// }
673
674	if (!hwndCtrl) return FALSE;
675
676	/* Send initialisation messages to the control */
677	if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
678
679	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
680	{
681	/* If there's already a default push-button, set it back */
682	/* to normal and use this one instead. */
683	if (hwndDefButton)
684	::SendMessageA( hwndDefButton, BM_SETSTYLE,
685	BS_PUSHBUTTON,FALSE );
686	hwndDefButton = hwndCtrl;
687	idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
688	}
689	dprintf(("Create CONTROL %d DONE", info.id));
690	}
691	return TRUE;
692	}
693	/***********************************************************************
694	* DEFDLG_Proc
695	*
696	* Implementation of DefDlgProc(). Only handle messages that need special
697	* handling for dialogs.
698	*/
699	LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
700	{
701	switch(msg)
702	{
703	case WM_ERASEBKGND:
704	{
705	RECT rect;
706	int rc;
707	/* Since WM_ERASEBKGND may receive either a window dc or a */
708	/* client dc, the area to be erased has to be retrieved from */
709	/* the device context. */
710	rc = GetClipBox( (HDC)wParam, &rect );
711	if ((rc == SIMPLEREGION) \|\| (rc == COMPLEXREGION))
712	FillRect( (HDC)wParam, &rect, windowClass->getBackgroundBrush());
713	return 1;
714	}
715	case WM_NCDESTROY:
716	/* Free dialog heap (if created) */
717	#if 0
718	if (dlgInfo->hDialogHeap)
719	{
720	GlobalUnlock16(dlgInfo->hDialogHeap);
721	GlobalFree16(dlgInfo->hDialogHeap);
722	dlgInfo->hDialogHeap = 0;
723	}
724	#endif
725	/* Delete font */
726	if (hUserFont)
727	{
728	DeleteObject( hUserFont );
729	hUserFont = 0;
730	}
731
732	/* Delete menu */
733	if (hMenu)
734	{
735	DestroyMenu( hMenu );
736	hMenu = 0;
737	}
738
739	/* Delete window procedure */
740	Win32DlgProc = 0;
741	dialogFlags \|= DF_END; /* just in case */
742
743	/* Window clean-up */
744	return DefWindowProcA(msg, wParam, lParam );
745
746	case WM_SHOWWINDOW:
747	if (!wParam) saveFocus();
748	return DefWindowProcA(msg, wParam, lParam );
749
750	case WM_ACTIVATE:
751	if (wParam) {
752	restoreFocus();
753	}
754	else saveFocus();
755	return 0;
756
757	case WM_SETFOCUS:
758	restoreFocus();
759	return 0;
760
761	case DM_SETDEFID:
762	if (dialogFlags & DF_END)
763	return 1;
764
765	setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
766	return 1;
767
768	case DM_GETDEFID:
769	{
770	HWND hwndDefId;
771	if (dialogFlags & DF_END) return 0;
772	if (idResult)
773	return MAKELONG( idResult, DC_HASDEFID );
774	if ((hwndDefId = findDefButton()))
775	return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
776
777	return 0;
778	}
779
780	case WM_NEXTDLGCTL:
781	{
782	HWND hwndDest = (HWND)wParam;
783	if (!lParam)
784	hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
785	if (hwndDest) setFocus( hwndDest );
786	setDefButton( hwndDest );
787	return 0;
788	}
789
790	case WM_ENTERMENULOOP:
791	case WM_LBUTTONDOWN:
792	case WM_NCLBUTTONDOWN:
793	{
794	HWND hwndCurFocus = GetFocus();
795	if (hwndCurFocus)
796	{
797	Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
798
799	if(wndFocus)
800	{
801	/* always make combo box hide its listbox control */
802	if( WIDGETS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
803	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
804	else
805	if( WIDGETS_IsControl( wndFocus, EDIT_CONTROL ) &&
806	WIDGETS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
807	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
808	}
809	}
810	return DefWindowProcA( msg, wParam, lParam );
811	}
812
813	case WM_GETFONT:
814	return hUserFont;
815
816	case WM_CLOSE:
817	PostMessageA(WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
818	return 0;
819
820	case WM_NOTIFYFORMAT:
821	return DefWindowProcA(msg, wParam, lParam );
822	}
823	return 0;
824	}
825	//******************************************************************************
826	//******************************************************************************
827	LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
828	{
829	BOOL result = FALSE;
830
831	msgResult = 0;
832
833	if (Win32DlgProc) { /* Call dialog procedure */
834	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
835	}
836
837	if (!result && IsWindow())
838	{
839	/* callback didn't process this message */
840	switch(Msg)
841	{
842	case WM_ERASEBKGND:
843	case WM_SHOWWINDOW:
844	case WM_ACTIVATE:
845	case WM_SETFOCUS:
846	case DM_SETDEFID:
847	case DM_GETDEFID:
848	case WM_NEXTDLGCTL:
849	case WM_GETFONT:
850	case WM_CLOSE:
851	case WM_NCDESTROY:
852	case WM_ENTERMENULOOP:
853	case WM_LBUTTONDOWN:
854	case WM_NCLBUTTONDOWN:
855	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
856
857	case WM_INITDIALOG:
858	case WM_VKEYTOITEM:
859	case WM_COMPAREITEM:
860	case WM_CHARTOITEM:
861	break;
862
863	default:
864	return DefWindowProcA(Msg, wParam, lParam );
865	}
866	}
867	return DefDlg_Epilog(Msg, result);
868	}
869	//******************************************************************************
870	//******************************************************************************
871	LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
872	{
873	BOOL result = FALSE;
874
875	msgResult = 0;
876
877	if (Win32DlgProc) { /* Call dialog procedure */
878	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
879	}
880
881	if (!result && IsWindow())
882	{
883	/* callback didn't process this message */
884	switch(Msg)
885	{
886	case WM_ERASEBKGND:
887	case WM_SHOWWINDOW:
888	case WM_ACTIVATE:
889	case WM_SETFOCUS:
890	case DM_SETDEFID:
891	case DM_GETDEFID:
892	case WM_NEXTDLGCTL:
893	case WM_GETFONT:
894	case WM_CLOSE:
895	case WM_NCDESTROY:
896	case WM_ENTERMENULOOP:
897	case WM_LBUTTONDOWN:
898	case WM_NCLBUTTONDOWN:
899	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
900
901	case WM_INITDIALOG:
902	case WM_VKEYTOITEM:
903	case WM_COMPAREITEM:
904	case WM_CHARTOITEM:
905	break;
906
907	default:
908	return DefWindowProcW(Msg, wParam, lParam );
909	}
910	}
911	return DefDlg_Epilog(Msg, result);
912	}
913	/***********************************************************************
914	* DEFDLG_Epilog
915	*/
916	LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
917	{
918	/* see SDK 3.1 */
919	if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) \|\|
920	msg == WM_CTLCOLOR \|\| msg == WM_COMPAREITEM \|\|
921	msg == WM_VKEYTOITEM \|\| msg == WM_CHARTOITEM \|\|
922	msg == WM_QUERYDRAGICON \|\| msg == WM_INITDIALOG)
923	return fResult;
924
925	return msgResult;
926	}
927	/***********************************************************************
928	* DEFDLG_SetFocus
929	*
930	* Set the focus to a control of the dialog, selecting the text if
931	* the control is an edit dialog.
932	*/
933	void Win32Dialog::setFocus(HWND hwndCtrl )
934	{
935	HWND hwndPrev = GetFocus();
936
937	if (IsChild( hwndPrev ))
938	{
939	if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
940	::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
941	}
942	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
943	::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
944	SetFocus( hwndCtrl );
945	}
946
947
948	/***********************************************************************
949	* DEFDLG_SaveFocus
950	*/
951	BOOL Win32Dialog::saveFocus()
952	{
953	HWND hwndCurrentFocus = GetFocus();
954
955	if (!hwndCurrentFocus \|\| !IsChild( hwndCurrentFocus )) return FALSE;
956
957	hwndFocus = hwndCurrentFocus;
958	/* Remove default button */
959	return TRUE;
960	}
961
962
963	/***********************************************************************
964	* DEFDLG_RestoreFocus
965	*/
966	BOOL Win32Dialog::restoreFocus()
967	{
968	if (!hwndFocus \|\| IsIconic()) return FALSE;
969
970	if (!::IsWindow( hwndFocus )) return FALSE;
971
972	/* Don't set the focus back to controls if EndDialog is already called.*/
973	if (!(dialogFlags & DF_END))
974	setFocus(hwndFocus);
975
976	/* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
977	sometimes losing focus when receiving WM_SETFOCUS messages. */
978	return TRUE;
979	}
980
981
982	/***********************************************************************
983	* DEFDLG_FindDefButton
984	*
985	* Find the current default push-button.
986	*/
987	HWND Win32Dialog::findDefButton()
988	{
989	HWND hwndChild = GetWindow( GW_CHILD );
990	while (hwndChild)
991	{
992	if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
993	break;
994	hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
995	}
996	return hwndChild;
997	}
998
999
1000	/***********************************************************************
1001	* DEFDLG_SetDefButton
1002	*
1003	* Set the new default button to be hwndNew.
1004	*/
1005	BOOL Win32Dialog::setDefButton(HWND hwndNew )
1006	{
1007	if (hwndNew &&
1008	!(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
1009	return FALSE; /* Destination is not a push button */
1010
1011	if (idResult) /* There's already a default pushbutton */
1012	{
1013	HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
1014	if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
1015	::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1016	}
1017	if (hwndNew)
1018	{
1019	::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1020	idResult = GetDlgCtrlID( hwndNew );
1021	}
1022	else idResult = 0;
1023	return TRUE;
1024	}
1025	//******************************************************************************
1026	//******************************************************************************
1027	BOOL Win32Dialog::endDialog(int retval)
1028	{
1029	dialogFlags \|= DF_END;
1030	idResult = retval;
1031	return TRUE;
1032	}
1033	//******************************************************************************
1034	//******************************************************************************
1035	LONG Win32Dialog::SetWindowLongA(int index, ULONG value)
1036	{
1037	LONG oldval;
1038
1039	switch(index)
1040	{
1041	case DWL_DLGPROC:
1042	oldval = (LONG)Win32DlgProc;
1043	Win32DlgProc = (DLGPROC)index;
1044	return oldval;
1045	case DWL_MSGRESULT:
1046	oldval = msgResult;
1047	msgResult = value;
1048	return oldval;
1049	case DWL_USER:
1050	oldval = userDlgData;
1051	userDlgData = value;
1052	return oldval;
1053	default:
1054	return Win32BaseWindow::SetWindowLongA(index, value);
1055	}
1056	}
1057	//******************************************************************************
1058	//******************************************************************************
1059	ULONG Win32Dialog::GetWindowLongA(int index)
1060	{
1061	switch(index)
1062	{
1063	case DWL_DLGPROC:
1064	return (ULONG)Win32DlgProc;
1065	case DWL_MSGRESULT:
1066	return msgResult;
1067	case DWL_USER:
1068	return userDlgData;
1069	default:
1070	return Win32BaseWindow::GetWindowLongA(index);
1071	}
1072	}
1073	//******************************************************************************
1074	//******************************************************************************
1075	BOOL DIALOG_Register()
1076	{
1077	WNDCLASSA wndClass;
1078
1079	ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1080	wndClass.style = CS_GLOBALCLASS \| CS_SAVEBITS;
1081	wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1082	wndClass.cbClsExtra = 0;
1083	wndClass.cbWndExtra = 0;
1084	wndClass.hCursor = (HCURSOR)IDC_ARROWA;
1085	wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1086	wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1087
1088	return RegisterClassA(&wndClass);
1089	}
1090	//******************************************************************************
1091	//******************************************************************************
1092	BOOL DIALOG_Unregister()
1093	{
1094	if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1095	return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1096	else return FALSE;
1097	}
1098	//******************************************************************************
1099	//******************************************************************************
1100	BOOL Win32Dialog::fInitialized = FALSE;
1101	int Win32Dialog::xBaseUnit = 10;
1102	int Win32Dialog::yBaseUnit = 20;

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