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source: trunk/src/user32/win32dlg.cpp@ 2250

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Last change on this file since 2250 was 2250, checked in by sandervl, 26 years ago
PostMessage memory leak fixed
File size: 33.1 KB

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1	/* $Id: win32dlg.cpp,v 1.39 1999-12-29 14:37:17 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 <win\winproc.h>
21	#include "oslibmsg.h"
22	#include "oslibwin.h"
23	#include "win32wdesktop.h"
24	#include "controls.h"
25
26	#define DEFAULT_DLGFONT "9.WarpSans"
27
28	//******************************************************************************
29	//******************************************************************************
30	Win32Dialog::Win32Dialog(HINSTANCE hInst, LPCSTR dlgTemplate, HWND owner,
31	DLGPROC dlgProc, LPARAM param, BOOL isUnicode)
32	: Win32BaseWindow(OBJTYPE_DIALOG)
33	{
34	RECT rect;
35	WORD style;
36	ATOM classAtom;
37
38	this->isUnicode = isUnicode;
39	hUserFont = 0;
40	hMenu = 0;
41	hwndFocus = 0;
42	Win32DlgProc = 0;
43	msgResult = 0;
44	userDlgData = 0;
45	idResult = 0;
46	dialogFlags = 0;
47	memset(&dlgInfo, 0, sizeof(dlgInfo));
48
49	dprintf(("******* CREATE DIALOG **********"));
50	if(fInitialized == FALSE) {
51	if(DIALOG_Init() == FALSE) {
52	dprintf(("DIALOG_Init FAILED!"));
53	DebugInt3();
54	SetLastError(ERROR_GEN_FAILURE);
55	return;
56	}
57	fInitialized = TRUE;
58	}
59	xUnit = xBaseUnit;
60	yUnit = yBaseUnit;
61
62	/* Parse dialog template */
63	dlgTemplate = parseTemplate(dlgTemplate, &dlgInfo);
64
65	/* Load menu */
66	if (dlgInfo.menuName)
67	{
68	hMenu = LoadMenuW( hInst, (LPCWSTR)dlgInfo.menuName );
69	}
70
71	/* Create custom font if needed */
72	if (dlgInfo.style & DS_SETFONT)
73	{
74	/* The font height must be negative as it is a point size */
75	/* (see CreateFont() documentation in the Windows SDK). */
76	hUserFont = CreateFontW(-(dlgInfo.pointSize*3)/2, 0, 0, 0,
77	dlgInfo.weight, dlgInfo.italic, FALSE,
78	FALSE, DEFAULT_CHARSET, 0, 0, PROOF_QUALITY,
79	FF_DONTCARE, (LPCWSTR)dlgInfo.faceName );
80	if (hUserFont)
81	{
82	SIZE charSize;
83	getCharSize(hUserFont,&charSize);
84	xUnit = charSize.cx;
85	yUnit = charSize.cy;
86	}
87	}
88
89	//Set help id
90	setWindowContextHelpId(dlgInfo.helpId);
91
92	/* Create dialog main window */
93	rect.left = rect.top = 0;
94	rect.right = dlgInfo.cx * xUnit / 4;
95	rect.bottom = dlgInfo.cy * yUnit / 8;
96	if (dlgInfo.style & DS_MODALFRAME)
97	dlgInfo.exStyle \|= WS_EX_DLGMODALFRAME;
98
99	AdjustWindowRectEx( &rect, dlgInfo.style, hMenu ? TRUE : FALSE , dlgInfo.exStyle );
100	rect.right -= rect.left;
101	rect.bottom -= rect.top;
102
103	if ((INT16)dlgInfo.x == CW_USEDEFAULT16)
104	{
105	rect.left = rect.top = CW_USEDEFAULT;
106	}
107	else
108	{
109	if (dlgInfo.style & DS_CENTER)
110	{
111	rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
112	rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
113	}
114	else
115	{
116	rect.left += dlgInfo.x * xUnit / 4;
117	rect.top += dlgInfo.y * yUnit / 8;
118	}
119	if ( !(dlgInfo.style & WS_CHILD) )
120	{
121	INT dX, dY;
122
123	if( !(dlgInfo.style & DS_ABSALIGN) )
124	ClientToScreen(owner, (POINT *)&rect );
125
126	/* try to fit it into the desktop */
127
128	if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
129	- GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
130	if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
131	- GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
132	if( rect.left < 0 ) rect.left = 0;
133	if( rect.top < 0 ) rect.top = 0;
134	}
135	}
136
137	/* Create the dialog window */
138
139	/* Find the class atom */
140	if (!HIWORD(dlgInfo.className))
141	{
142	classAtom = (ATOM)LOWORD(dlgInfo.className);
143	}
144	else
145	if (!(classAtom = GlobalFindAtomW((LPWSTR)dlgInfo.className)))
146	{
147	SetLastError(ERROR_INVALID_PARAMETER);
148	return;
149	}
150	CREATESTRUCTA cs;
151	cs.lpCreateParams = NULL;
152	cs.hInstance = hInst;
153	cs.hMenu = hMenu;
154	cs.hwndParent = owner;
155	cs.x = rect.left;
156	cs.y = rect.top;
157	cs.cx = rect.right;
158	cs.cy = rect.bottom;
159	cs.style = dlgInfo.style & ~WS_VISIBLE;
160	if(!isUnicode) {
161	if(dlgInfo.caption) {
162	cs.lpszName = UnicodeToAsciiString((LPWSTR)dlgInfo.caption);
163	}
164	else cs.lpszName = 0;
165	if(HIWORD(cs.lpszClass)) {
166	cs.lpszClass = UnicodeToAsciiString((LPWSTR)dlgInfo.className);
167	}
168	else cs.lpszClass = dlgInfo.className;
169	}
170	else {
171	cs.lpszName = dlgInfo.caption;
172	cs.lpszClass = dlgInfo.className;
173	}
174	cs.dwExStyle = dlgInfo.exStyle;
175
176	fIsDialog = TRUE;
177	WINPROC_SetProc((HWINDOWPROC *)&Win32DlgProc, (WNDPROC)dlgProc, (isUnicode) ? WIN_PROC_32W : WIN_PROC_32A, WIN_PROC_WINDOW);
178
179	this->tmpParam = param;
180	this->tmpDlgTemplate = (LPSTR)dlgTemplate;
181
182	if (CreateWindowExA(&cs, classAtom) == FALSE)
183	{
184	if (hUserFont) DeleteObject( hUserFont );
185	if (hMenu) DestroyMenu( hMenu );
186	SetLastError(ERROR_OUTOFMEMORY); //TODO: Wrong error
187	return;
188	}
189	SetLastError(0);
190	return;
191	}
192	//******************************************************************************
193	//******************************************************************************
194	Win32Dialog::~Win32Dialog()
195	{
196	if (hUserFont) DeleteObject( hUserFont );
197	if (hMenu) DestroyMenu( hMenu );
198
199	WINPROC_FreeProc(Win32DlgProc, WIN_PROC_WINDOW);
200	}
201	//******************************************************************************
202	//******************************************************************************
203	ULONG Win32Dialog::MsgCreate(HWND hwndFrame, HWND hwndClient)
204	{
205	CREATESTRUCTA *cs = tmpcs; //pointer to CREATESTRUCT used in CreateWindowExA method
206	LPARAM param = tmpParam;
207	LPSTR dlgTemplate = tmpDlgTemplate;
208
209	Win32BaseWindow::MsgCreate(hwndFrame, hwndClient);
210
211	if(!isUnicode) {
212	if(cs->lpszName) FreeAsciiString((LPSTR)cs->lpszName);
213	if(HIWORD(cs->lpszClass)) {
214	FreeAsciiString((LPSTR)cs->lpszClass);
215	}
216	}
217
218	if (hUserFont)
219	SendInternalMessageA(WM_SETFONT, (WPARAM)hUserFont, 0 );
220
221	/* Create controls */
222	if (createControls(dlgTemplate, hInstance))
223	{
224	dprintf(("******* DIALOG CONTROLS CREATED **********"));
225	/* Send initialisation messages and set focus */
226	hwndFocus = GetNextDlgTabItem( getWindowHandle(), 0, FALSE );
227
228	if (SendInternalMessageA(WM_INITDIALOG, (WPARAM)hwndFocus, param))
229	SetFocus(hwndFocus);
230
231	if (dlgInfo.style & WS_VISIBLE && !(getStyle() & WS_VISIBLE))
232	{
233	ShowWindow( SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
234	::UpdateWindow( getWindowHandle() );
235	}
236	SetLastError(0);
237	dprintf(("******* DIALOG CREATED **********"));
238	return TRUE;
239	}
240	dprintf(("******* DIALOG CREATION FAILED! **********"));
241	return FALSE;
242	}
243	//******************************************************************************
244	//******************************************************************************
245	BOOL Win32Dialog::MapDialogRect(LPRECT rect)
246	{
247	rect->left = (rect->left * xUnit) / 4;
248	rect->right = (rect->right * xUnit) / 4;
249	rect->top = (rect->top * yUnit) / 8;
250	rect->bottom = (rect->bottom * yUnit) / 8;
251	return TRUE;
252	}
253	/***********************************************************************
254	* DIALOG_DoDialogBox
255	*/
256	INT Win32Dialog::doDialogBox()
257	{
258	Win32BaseWindow *topOwner;
259	MSG msg;
260	INT retval;
261
262	/* Owner must be a top-level window */
263	if(getOwner() == NULL) {
264	topOwner = windowDesktop;
265	}
266	else topOwner = getOwner()->GetTopParent();
267
268	if(topOwner == NULL) {
269	dprintf(("Dialog box has no top owner!!!"));
270	return -1;
271	}
272
273	if (!dialogFlags & DF_END) /* was EndDialog called in WM_INITDIALOG ? */
274	{
275	HWND hwndOldDialog;
276	BOOL bOldOwner;
277
278	fIsModalDialog = TRUE;
279	topOwner->EnableWindow(FALSE);
280
281	bOldOwner = topOwner->IsModalDialogOwner();
282	topOwner->setModalDialogOwner(TRUE);
283	hwndOldDialog = topOwner->getOS2HwndModalDialog();
284	topOwner->setOS2HwndModalDialog(OS2HwndFrame);
285	ShowWindow(SW_SHOW);
286
287	//CB: 100% CPU usage, need a better solution with OSLibWinGetMsg
288	// is WM_ENTERIDLE used and leaving away breaks an application?
289	// this style was useful for Win3.1 but today there are threads
290	// solution: send only few WM_ENTERIDLE messages
291
292	#if 1
293	while (TRUE)
294	{
295	if (!OSLibWinPeekMsg(&msg,0,0,0,PM_NOREMOVE))
296	{
297	if(!(getStyle() & DS_NOIDLEMSG))
298	topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
299	OSLibWinGetMsg(&msg,0,0,0);
300	}
301	else OSLibWinPeekMsg(&msg,0,0,0,PM_REMOVE);
302
303	if(msg.message == WM_QUIT)
304	{
305	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
306	break;
307	}
308	if (!IsDialogMessageA( getWindowHandle(), &msg))
309	{
310	TranslateMessage( &msg );
311	DispatchMessageA( &msg );
312	}
313	if (dialogFlags & DF_END)
314	break;
315	}
316	#else
317	while (TRUE) {
318	// while (OSLibWinPeekMsg(&msg, getWindowHandle(), owner, MSGF_DIALOGBOX,
319	// MSG_REMOVE, !(getStyle() & DS_NOIDLEMSG), NULL ))
320	// if(OSLibWinPeekMsg(&msg, topOwner->getOS2FrameWindowHandle(), 0, 0, MSG_REMOVE))
321	if(OSLibWinPeekMsg(&msg, 0, 0, 0, PM_REMOVE))
322	{
323	if(msg.message == WM_QUIT) {
324	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
325	break;
326	}
327	if (!IsDialogMessageA( getWindowHandle(), &msg))
328	{
329	TranslateMessage( &msg );
330	DispatchMessageA( &msg );
331	}
332	if (dialogFlags & DF_END) break;
333	}
334	else {
335	if(!(getStyle() & DS_NOIDLEMSG)) {
336	topOwner->SendInternalMessageA(WM_ENTERIDLE, MSGF_DIALOGBOX, getWindowHandle());
337	}
338	}
339	}
340	#endif
341	topOwner->setModalDialogOwner(bOldOwner);
342	topOwner->setOS2HwndModalDialog(hwndOldDialog);
343	if (!bOldOwner) topOwner->EnableWindow(TRUE);
344	}
345	retval = idResult;
346	DestroyWindow();
347	return retval;
348	}
349	/***********************************************************************
350	* DIALOG_Init
351	*
352	* Initialisation of the dialog manager.
353	*/
354	BOOL Win32Dialog::DIALOG_Init(void)
355	{
356	HDC hdc;
357	SIZE size;
358
359	/* Calculate the dialog base units */
360	if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
361	if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
362	DeleteDC( hdc );
363	xBaseUnit = size.cx;
364	yBaseUnit = size.cy;
365
366	return TRUE;
367	}
368	/***********************************************************************
369	* DIALOG_GetCharSizeFromDC
370	*
371	*
372	* Calculates the true average size of English characters in the
373	* specified font as oppposed to the one returned by GetTextMetrics.
374	*/
375	BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
376	{
377	BOOL Success = FALSE;
378	HFONT hUserFontPrev = 0;
379	pSize->cx = xBaseUnit;
380	pSize->cy = yBaseUnit;
381
382	if ( hDC )
383	{
384	/* select the font */
385	TEXTMETRICA tm;
386	memset(&tm,0,sizeof(tm));
387	if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
388	if (GetTextMetricsA(hDC,&tm))
389	{
390	pSize->cx = tm.tmAveCharWidth;
391	pSize->cy = tm.tmHeight;
392
393	/* if variable width font */
394	if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
395	{
396	SIZE total;
397	static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
398
399	/* Calculate a true average as opposed to the one returned
400	* by tmAveCharWidth. This works better when dealing with
401	* proportional spaced fonts and (more important) that's
402	* how Microsoft's dialog creation code calculates the size
403	* of the font
404	*/
405	if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
406	{
407	/* round up */
408	pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
409	Success = TRUE;
410	}
411	}
412	else
413	{
414	Success = TRUE;
415	}
416	}
417
418	/* select the original font */
419	if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
420	}
421	return (Success);
422	}
423	/***********************************************************************
424	* DIALOG_GetCharSize
425	*
426	*
427	* Calculates the true average size of English characters in the
428	* specified font as oppposed to the one returned by GetTextMetrics.
429	* A convenient variant of DIALOG_GetCharSizeFromDC.
430	*/
431	BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
432	{
433	HDC hDC = GetDC(0);
434	BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
435	ReleaseDC(0, hDC);
436	return Success;
437	}
438	/***********************************************************************
439	* DIALOG_ParseTemplate32
440	*
441	* Fill a DLG_TEMPLATE structure from the dialog template, and return
442	* a pointer to the first control.
443	*/
444	LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
445	{
446	const WORD p = (const WORD )dlgtemplate;
447
448	result->style = GET_DWORD(p); p += 2;
449	if (result->style == 0xffff0001) /* DIALOGEX resource */
450	{
451	result->dialogEx = TRUE;
452	result->helpId = GET_DWORD(p); p += 2;
453	result->exStyle = GET_DWORD(p); p += 2;
454	result->style = GET_DWORD(p); p += 2;
455	}
456	else
457	{
458	result->dialogEx = FALSE;
459	result->helpId = 0;
460	result->exStyle = GET_DWORD(p); p += 2;
461	}
462	result->nbItems = GET_WORD(p); p++;
463	result->x = GET_WORD(p); p++;
464	result->y = GET_WORD(p); p++;
465	result->cx = GET_WORD(p); p++;
466	result->cy = GET_WORD(p); p++;
467
468	/* Get the menu name */
469
470	switch(GET_WORD(p))
471	{
472	case 0x0000:
473	result->menuName = NULL;
474	p++;
475	break;
476	case 0xffff:
477	result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
478	p += 2;
479	break;
480	default:
481	result->menuName = (LPCSTR)p;
482	p += lstrlenW( (LPCWSTR)p ) + 1;
483	break;
484	}
485
486	/* Get the class name */
487	switch(GET_WORD(p))
488	{
489	case 0x0000:
490	result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
491	p++;
492	break;
493	case 0xffff:
494	result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
495	p += 2;
496	break;
497	default:
498	result->className = (LPCSTR)p;
499	p += lstrlenW( (LPCWSTR)p ) + 1;
500	break;
501	}
502
503	/* Get the window caption */
504
505	result->caption = (LPCSTR)p;
506	p += lstrlenW( (LPCWSTR)p ) + 1;
507
508	/* Get the font name */
509
510	if (result->style & DS_SETFONT)
511	{
512	result->pointSize = GET_WORD(p);
513	p++;
514	if (result->dialogEx)
515	{
516	result->weight = GET_WORD(p); p++;
517	result->italic = LOBYTE(GET_WORD(p)); p++;
518	}
519	else
520	{
521	result->weight = FW_DONTCARE;
522	result->italic = FALSE;
523	}
524	result->faceName = (LPCSTR)p;
525	p += lstrlenW( (LPCWSTR)p ) + 1;
526	}
527
528	/* First control is on dword boundary */
529	return (LPCSTR)((((int)p) + 3) & ~3);
530	}
531	/***********************************************************************
532	* DIALOG_GetControl32
533	*
534	* Return the class and text of the control pointed to by ptr,
535	* fill the header structure and return a pointer to the next control.
536	*/
537	WORD Win32Dialog::getControl(const WORD p, DLG_CONTROL_INFO *info, BOOL dialogEx)
538	{
539	if (dialogEx)
540	{
541	info->helpId = GET_DWORD(p); p += 2;
542	info->exStyle = GET_DWORD(p); p += 2;
543	info->style = GET_DWORD(p); p += 2;
544	}
545	else
546	{
547	info->helpId = 0;
548	info->style = GET_DWORD(p); p += 2;
549	info->exStyle = GET_DWORD(p); p += 2;
550	}
551	info->x = GET_WORD(p); p++;
552	info->y = GET_WORD(p); p++;
553	info->cx = GET_WORD(p); p++;
554	info->cy = GET_WORD(p); p++;
555
556	if (dialogEx)
557	{
558	/* id is a DWORD for DIALOGEX */
559	info->id = GET_DWORD(p);
560	p += 2;
561	}
562	else
563	{
564	info->id = GET_WORD(p);
565	p++;
566	}
567
568	if (GET_WORD(p) == 0xffff)
569	{
570	static const WCHAR class_names[6][10] =
571	{
572	{ 'B','u','t','t','o','n', }, /* 0x80 */
573	{ 'E','d','i','t', }, /* 0x81 */
574	{ 'S','t','a','t','i','c', }, /* 0x82 */
575	{ 'L','i','s','t','B','o','x', }, /* 0x83 */
576	{ 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
577	{ 'C','o','m','b','o','B','o','x', } /* 0x85 */
578	};
579	WORD id = GET_WORD(p+1);
580	if ((id >= 0x80) && (id <= 0x85))
581	info->className = (LPCSTR)class_names[id - 0x80];
582	else
583	{
584	info->className = NULL;
585	dprintf(("Unknown built-in class id %04x\n", id ));
586	}
587	p += 2;
588	}
589	else
590	{
591	info->className = (LPCSTR)p;
592	p += lstrlenW( (LPCWSTR)p ) + 1;
593	}
594
595	if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
596	{
597	info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
598	p += 2;
599	}
600	else
601	{
602	info->windowName = (LPCSTR)p;
603	p += lstrlenW( (LPCWSTR)p ) + 1;
604	}
605
606	if (GET_WORD(p))
607	{
608	info->data = (LPVOID)(p + 1);
609	p += GET_WORD(p) / sizeof(WORD);
610	}
611	else info->data = NULL;
612	p++;
613
614	/* Next control is on dword boundary */
615	return (WORD *)((((int)p) + 3) & ~3);
616	}
617
618
619	/***********************************************************************
620	* DIALOG_CreateControls
621	*
622	* Create the control windows for a dialog.
623	*/
624	BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
625	{
626	DLG_CONTROL_INFO info;
627	HWND hwndCtrl, hwndDefButton = 0;
628	INT items = dlgInfo.nbItems;
629
630	while (items--)
631	{
632	dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
633
634	dprintf(("Create CONTROL %d", info.id));
635	char *classNameA = NULL;
636	char *windowNameA = NULL;
637
638	if(HIWORD(info.className)) {
639	classNameA = UnicodeToAsciiString((LPWSTR)info.className);
640	}
641	else classNameA = (char *)info.className;
642
643	if(HIWORD(info.windowName)) {
644	windowNameA = UnicodeToAsciiString((LPWSTR)info.windowName);
645	}
646	else windowNameA = (char *)info.windowName;
647
648	hwndCtrl = ::CreateWindowExA( info.exStyle \| WS_EX_NOPARENTNOTIFY,
649	classNameA,
650	windowNameA,
651	info.style \| WS_CHILD \| WS_CLIPSIBLINGS,
652	info.x * xUnit / 4,
653	info.y * yUnit / 8,
654	info.cx * xUnit / 4,
655	info.cy * yUnit / 8,
656	getWindowHandle(), (HMENU)info.id,
657	hInst, info.data );
658	if(HIWORD(classNameA)) {
659	FreeAsciiString(classNameA);
660	}
661	if(HIWORD(windowNameA)) {
662	FreeAsciiString(windowNameA);
663	}
664
665	if (!hwndCtrl) return FALSE;
666
667	/* Send initialisation messages to the control */
668	if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
669
670	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
671	{
672	/* If there's already a default push-button, set it back */
673	/* to normal and use this one instead. */
674	if (hwndDefButton)
675	::SendMessageA( hwndDefButton, BM_SETSTYLE,
676	BS_PUSHBUTTON,FALSE );
677	hwndDefButton = hwndCtrl;
678	idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
679	}
680	dprintf(("Create CONTROL %d DONE", info.id));
681	}
682	return TRUE;
683	}
684	/***********************************************************************
685	* DEFDLG_Proc
686	*
687	* Implementation of DefDlgProc(). Only handle messages that need special
688	* handling for dialogs.
689	*/
690	LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
691	{
692	switch(msg)
693	{
694	case WM_ERASEBKGND:
695	{
696	RECT rect;
697	int rc;
698	/* Since WM_ERASEBKGND may receive either a window dc or a */
699	/* client dc, the area to be erased has to be retrieved from */
700	/* the device context. */
701	rc = GetClipBox( (HDC)wParam, &rect );
702	if ((rc == SIMPLEREGION) \|\| (rc == COMPLEXREGION))
703	FillRect( (HDC)wParam, &rect, windowClass->getBackgroundBrush());
704	return 1;
705	}
706	case WM_NCDESTROY:
707	/* Free dialog heap (if created) */
708	#if 0
709	if (dlgInfo->hDialogHeap)
710	{
711	GlobalUnlock16(dlgInfo->hDialogHeap);
712	GlobalFree16(dlgInfo->hDialogHeap);
713	dlgInfo->hDialogHeap = 0;
714	}
715	#endif
716	/* Delete font */
717	if (hUserFont)
718	{
719	DeleteObject( hUserFont );
720	hUserFont = 0;
721	}
722
723	/* Delete menu */
724	if (hMenu)
725	{
726	DestroyMenu( hMenu );
727	hMenu = 0;
728	}
729
730	/* Delete window procedure */
731	Win32DlgProc = 0;
732	dialogFlags \|= DF_END; /* just in case */
733
734	/* Window clean-up */
735	return DefWindowProcA(msg, wParam, lParam );
736
737	case WM_SHOWWINDOW:
738	if (!wParam) saveFocus();
739	return DefWindowProcA(msg, wParam, lParam );
740
741	case WM_ACTIVATE:
742	if (wParam) {
743	restoreFocus();
744	}
745	else saveFocus();
746	return 0;
747
748	case WM_SETFOCUS:
749	restoreFocus();
750	return 0;
751
752	case DM_SETDEFID:
753	if (dialogFlags & DF_END)
754	return 1;
755
756	setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
757	return 1;
758
759	case DM_GETDEFID:
760	{
761	HWND hwndDefId;
762	if (dialogFlags & DF_END) return 0;
763	if (idResult)
764	return MAKELONG( idResult, DC_HASDEFID );
765	if ((hwndDefId = findDefButton()) != 0)
766	return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
767
768	return 0;
769	}
770
771	case WM_NEXTDLGCTL:
772	{
773	HWND hwndDest = (HWND)wParam;
774	if (!lParam)
775	hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
776	if (hwndDest) setFocus( hwndDest );
777	setDefButton( hwndDest );
778	return 0;
779	}
780
781	case WM_ENTERMENULOOP:
782	case WM_LBUTTONDOWN:
783	case WM_NCLBUTTONDOWN:
784	{
785	HWND hwndCurFocus = GetFocus();
786	if (hwndCurFocus)
787	{
788	Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
789
790	if(wndFocus)
791	{
792	/* always make combo box hide its listbox control */
793	if( WIDGETS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
794	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
795	else
796	if( WIDGETS_IsControl( wndFocus, EDIT_CONTROL ) &&
797	WIDGETS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
798	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
799	}
800	}
801	return DefWindowProcA( msg, wParam, lParam );
802	}
803
804	case WM_GETFONT:
805	return hUserFont;
806
807	case WM_CLOSE:
808	PostMessageA(getWindowHandle(), WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
809	return 0;
810
811	case WM_NOTIFYFORMAT:
812	return DefWindowProcA(msg, wParam, lParam );
813	}
814	return 0;
815	}
816	//******************************************************************************
817	//******************************************************************************
818	LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
819	{
820	BOOL result = FALSE;
821
822	msgResult = 0;
823
824	if (Win32DlgProc) { /* Call dialog procedure */
825	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
826	}
827
828	if (!result && IsWindow())
829	{
830	/* callback didn't process this message */
831	switch(Msg)
832	{
833	case WM_ERASEBKGND:
834	case WM_SHOWWINDOW:
835	case WM_ACTIVATE:
836	case WM_SETFOCUS:
837	case DM_SETDEFID:
838	case DM_GETDEFID:
839	case WM_NEXTDLGCTL:
840	case WM_GETFONT:
841	case WM_CLOSE:
842	case WM_NCDESTROY:
843	case WM_ENTERMENULOOP:
844	case WM_LBUTTONDOWN:
845	case WM_NCLBUTTONDOWN:
846	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
847
848	case WM_INITDIALOG:
849	case WM_VKEYTOITEM:
850	case WM_COMPAREITEM:
851	case WM_CHARTOITEM:
852	break;
853
854	default:
855	return DefWindowProcA(Msg, wParam, lParam );
856	}
857	}
858	return DefDlg_Epilog(Msg, result);
859	}
860	//******************************************************************************
861	//******************************************************************************
862	LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
863	{
864	BOOL result = FALSE;
865
866	msgResult = 0;
867
868	if (Win32DlgProc) { /* Call dialog procedure */
869	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
870	}
871
872	if (!result && IsWindow())
873	{
874	/* callback didn't process this message */
875	switch(Msg)
876	{
877	case WM_ERASEBKGND:
878	case WM_SHOWWINDOW:
879	case WM_ACTIVATE:
880	case WM_SETFOCUS:
881	case DM_SETDEFID:
882	case DM_GETDEFID:
883	case WM_NEXTDLGCTL:
884	case WM_GETFONT:
885	case WM_CLOSE:
886	case WM_NCDESTROY:
887	case WM_ENTERMENULOOP:
888	case WM_LBUTTONDOWN:
889	case WM_NCLBUTTONDOWN:
890	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
891
892	case WM_INITDIALOG:
893	case WM_VKEYTOITEM:
894	case WM_COMPAREITEM:
895	case WM_CHARTOITEM:
896	break;
897
898	default:
899	return DefWindowProcW(Msg, wParam, lParam );
900	}
901	}
902	return DefDlg_Epilog(Msg, result);
903	}
904	/***********************************************************************
905	* DEFDLG_Epilog
906	*/
907	LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
908	{
909	/* see SDK 3.1 */
910	if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) \|\|
911	msg == WM_CTLCOLOR \|\| msg == WM_COMPAREITEM \|\|
912	msg == WM_VKEYTOITEM \|\| msg == WM_CHARTOITEM \|\|
913	msg == WM_QUERYDRAGICON \|\| msg == WM_INITDIALOG)
914	return fResult;
915
916	return msgResult;
917	}
918	/***********************************************************************
919	* DEFDLG_SetFocus
920	*
921	* Set the focus to a control of the dialog, selecting the text if
922	* the control is an edit dialog.
923	*/
924	void Win32Dialog::setFocus(HWND hwndCtrl )
925	{
926	HWND hwndPrev = GetFocus();
927
928	if (IsChild( hwndPrev ))
929	{
930	if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
931	::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
932	}
933	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
934	::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
935	SetFocus( hwndCtrl );
936	}
937
938
939	/***********************************************************************
940	* DEFDLG_SaveFocus
941	*/
942	BOOL Win32Dialog::saveFocus()
943	{
944	HWND hwndCurrentFocus = GetFocus();
945
946	if (!hwndCurrentFocus \|\| !IsChild( hwndCurrentFocus )) return FALSE;
947
948	hwndFocus = hwndCurrentFocus;
949	/* Remove default button */
950	return TRUE;
951	}
952
953
954	/***********************************************************************
955	* DEFDLG_RestoreFocus
956	*/
957	BOOL Win32Dialog::restoreFocus()
958	{
959	if (!hwndFocus \|\| IsIconic()) return FALSE;
960
961	if (!::IsWindow( hwndFocus )) return FALSE;
962
963	/* Don't set the focus back to controls if EndDialog is already called.*/
964	if (!(dialogFlags & DF_END))
965	setFocus(hwndFocus);
966
967	/* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
968	sometimes losing focus when receiving WM_SETFOCUS messages. */
969	return TRUE;
970	}
971
972
973	/***********************************************************************
974	* DEFDLG_FindDefButton
975	*
976	* Find the current default push-button.
977	*/
978	HWND Win32Dialog::findDefButton()
979	{
980	HWND hwndChild = GetWindow( GW_CHILD );
981	while (hwndChild)
982	{
983	if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
984	break;
985	hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
986	}
987	return hwndChild;
988	}
989
990
991	/***********************************************************************
992	* DEFDLG_SetDefButton
993	*
994	* Set the new default button to be hwndNew.
995	*/
996	BOOL Win32Dialog::setDefButton(HWND hwndNew )
997	{
998	if (hwndNew &&
999	!(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
1000	return FALSE; /* Destination is not a push button */
1001
1002	if (idResult) /* There's already a default pushbutton */
1003	{
1004	HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
1005	if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
1006	::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1007	}
1008	if (hwndNew)
1009	{
1010	::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1011	idResult = GetDlgCtrlID( hwndNew );
1012	}
1013	else idResult = 0;
1014	return TRUE;
1015	}
1016	//******************************************************************************
1017	//******************************************************************************
1018	BOOL Win32Dialog::endDialog(int retval)
1019	{
1020	dialogFlags \|= DF_END;
1021	idResult = retval;
1022	return TRUE;
1023	}
1024	//******************************************************************************
1025	//******************************************************************************
1026	LONG Win32Dialog::SetWindowLongA(int index, ULONG value, BOOL fUnicode)
1027	{
1028	LONG oldval;
1029
1030	dprintf2(("Win32Dialog::SetWindowLongA %x %d %x", getWindowHandle(), index, value));
1031	switch(index)
1032	{
1033	case DWL_DLGPROC:
1034	oldval = (LONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1035	WINPROC_SetProc((HWINDOWPROC *)&Win32DlgProc, (WNDPROC)value, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A, WIN_PROC_WINDOW);
1036	return oldval;
1037	case DWL_MSGRESULT:
1038	oldval = msgResult;
1039	msgResult = value;
1040	return oldval;
1041	case DWL_USER:
1042	oldval = userDlgData;
1043	userDlgData = value;
1044	return oldval;
1045	default:
1046	return Win32BaseWindow::SetWindowLongA(index, value);
1047	}
1048	}
1049	//******************************************************************************
1050	//******************************************************************************
1051	ULONG Win32Dialog::GetWindowLongA(int index, BOOL fUnicode)
1052	{
1053	dprintf2(("Win32Dialog::GetWindowLongA %x %d", getWindowHandle(), index));
1054	switch(index)
1055	{
1056	case DWL_DLGPROC:
1057	return (ULONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1058	case DWL_MSGRESULT:
1059	return msgResult;
1060	case DWL_USER:
1061	return userDlgData;
1062	default:
1063	return Win32BaseWindow::GetWindowLongA(index);
1064	}
1065	}
1066	//******************************************************************************
1067	//******************************************************************************
1068	BOOL DIALOG_Register()
1069	{
1070	WNDCLASSA wndClass;
1071
1072	ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1073	wndClass.style = CS_GLOBALCLASS \| CS_SAVEBITS;
1074	wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1075	wndClass.cbClsExtra = 0;
1076	wndClass.cbWndExtra = 0;
1077	wndClass.hCursor = LoadCursorA(0,IDC_ARROWA);
1078	wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1079	wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1080
1081	return RegisterClassA(&wndClass);
1082	}
1083	//******************************************************************************
1084	//******************************************************************************
1085	BOOL DIALOG_Unregister()
1086	{
1087	if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1088	return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1089	else return FALSE;
1090	}
1091	//******************************************************************************
1092	//******************************************************************************
1093	BOOL Win32Dialog::fInitialized = FALSE;
1094	int Win32Dialog::xBaseUnit = 10;
1095	int Win32Dialog::yBaseUnit = 20;

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