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source: trunk/src/user32/win32dlg.cpp@ 3662

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Last change on this file since 3662 was 3662, checked in by sandervl, 25 years ago
Major rewrite: frame/client -> frame
File size: 33.9 KB

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1	/* $Id: win32dlg.cpp,v 1.50 2000-06-07 14:51:29 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	#include "syscolor.h"
26
27	#define DBG_LOCALLOG DBG_win32dlg
28	#include "dbglocal.h"
29
30	#define DEFAULT_DLGFONT "9.WarpSans"
31
32	//******************************************************************************
33	//******************************************************************************
34	Win32Dialog::Win32Dialog(HINSTANCE hInst, LPCSTR dlgTemplate, HWND owner,
35	DLGPROC dlgProc, LPARAM param, BOOL isUnicode)
36	: Win32BaseWindow(OBJTYPE_DIALOG)
37	{
38	RECT rect;
39	WORD style;
40	ATOM classAtom;
41
42	this->isUnicode = isUnicode;
43	hUserFont = 0;
44	hMenu = 0;
45	hwndFocus = 0;
46	Win32DlgProc = 0;
47	msgResult = 0;
48	userDlgData = 0;
49	idResult = 0;
50	dialogFlags = 0;
51	memset(&dlgInfo, 0, sizeof(dlgInfo));
52
53	dprintf(("******* CREATE DIALOG **********"));
54	if(fInitialized == FALSE) {
55	if(DIALOG_Init() == FALSE) {
56	dprintf(("DIALOG_Init FAILED!"));
57	DebugInt3();
58	SetLastError(ERROR_GEN_FAILURE);
59	return;
60	}
61	fInitialized = TRUE;
62	}
63	xUnit = xBaseUnit;
64	yUnit = yBaseUnit;
65
66	/* Parse dialog template */
67	dlgTemplate = parseTemplate(dlgTemplate, &dlgInfo);
68
69	/* Load menu */
70	if (dlgInfo.menuName)
71	{
72	hMenu = LoadMenuW( hInst, (LPCWSTR)dlgInfo.menuName );
73	}
74
75	/* Create custom font if needed */
76	if (dlgInfo.style & DS_SETFONT)
77	{
78	/* The font height must be negative as it is a point size */
79	/* and must be converted to pixels first */
80	/* (see CreateFont() documentation in the Windows SDK). */
81	HDC dc = GetDC(0);
82	int pixels = dlgInfo.pointSize * GetDeviceCaps(dc , LOGPIXELSY)/72;
83	ReleaseDC(0, dc);
84
85	hUserFont = CreateFontW(-pixels, 0, 0, 0,
86	dlgInfo.weight, dlgInfo.italic, FALSE,
87	FALSE, DEFAULT_CHARSET, 0, 0, PROOF_QUALITY,
88	FF_DONTCARE, (LPCWSTR)dlgInfo.faceName );
89	if (hUserFont)
90	{
91	SIZE charSize;
92	getCharSize(hUserFont,&charSize);
93	xUnit = charSize.cx;
94	yUnit = charSize.cy;
95	}
96	}
97
98	//Set help id
99	setWindowContextHelpId(dlgInfo.helpId);
100
101	/* Create dialog main window */
102	rect.left = rect.top = 0;
103	rect.right = dlgInfo.cx * xUnit / 4;
104	rect.bottom = dlgInfo.cy * yUnit / 8;
105	if (dlgInfo.style & DS_MODALFRAME)
106	dlgInfo.exStyle \|= WS_EX_DLGMODALFRAME;
107
108	AdjustWindowRectEx( &rect, dlgInfo.style, hMenu ? TRUE : FALSE , dlgInfo.exStyle );
109	rect.right -= rect.left;
110	rect.bottom -= rect.top;
111
112	if ((INT16)dlgInfo.x == CW_USEDEFAULT16)
113	{
114	rect.left = rect.top = CW_USEDEFAULT;
115	}
116	else
117	{
118	if (dlgInfo.style & DS_CENTER)
119	{
120	rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
121	rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
122	}
123	else
124	{
125	rect.left += dlgInfo.x * xUnit / 4;
126	rect.top += dlgInfo.y * yUnit / 8;
127	}
128	if ( !(dlgInfo.style & WS_CHILD) )
129	{
130	INT dX, dY;
131
132	if( !(dlgInfo.style & DS_ABSALIGN) && owner)
133	ClientToScreen(owner, (POINT *)&rect );
134
135	/* try to fit it into the desktop */
136
137	if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
138	- GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
139	if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
140	- GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
141	if( rect.left < 0 ) rect.left = 0;
142	if( rect.top < 0 ) rect.top = 0;
143	}
144	}
145
146	/* Create the dialog window */
147
148	/* Find the class atom */
149	if (!HIWORD(dlgInfo.className))
150	{
151	classAtom = (ATOM)LOWORD(dlgInfo.className);
152	}
153	else
154	if (!(classAtom = GlobalFindAtomW((LPWSTR)dlgInfo.className)))
155	{
156	SetLastError(ERROR_INVALID_PARAMETER);
157	return;
158	}
159	CREATESTRUCTA cs;
160	cs.lpCreateParams = NULL;
161	cs.hInstance = hInst;
162	cs.hMenu = hMenu;
163	cs.hwndParent = owner;
164	cs.x = rect.left;
165	cs.y = rect.top;
166	cs.cx = rect.right;
167	cs.cy = rect.bottom;
168	cs.style = dlgInfo.style & ~WS_VISIBLE;
169
170	if(!isUnicode) {
171	if(dlgInfo.caption) {
172	cs.lpszName = UnicodeToAsciiString((LPWSTR)dlgInfo.caption);
173	}
174	else cs.lpszName = 0;
175	if(dlgInfo.className) {
176	cs.lpszClass = UnicodeToAsciiString((LPWSTR)dlgInfo.className);
177	}
178	else cs.lpszClass = 0;
179	}
180	else {
181	cs.lpszName = dlgInfo.caption;
182	cs.lpszClass = dlgInfo.className;
183	}
184	cs.dwExStyle = dlgInfo.exStyle;
185	if (dlgInfo.style & DS_CONTEXTHELP) cs.dwExStyle \|= WS_EX_CONTEXTHELP;
186
187	fIsDialog = TRUE;
188	WINPROC_SetProc((HWINDOWPROC *)&Win32DlgProc, (WNDPROC)dlgProc, (isUnicode) ? WIN_PROC_32W : WIN_PROC_32A, WIN_PROC_WINDOW);
189
190	this->tmpParam = param;
191	this->tmpDlgTemplate = (LPSTR)dlgTemplate;
192
193	if (CreateWindowExA(&cs, classAtom) == FALSE)
194	{
195	if (hUserFont) DeleteObject( hUserFont );
196	if (hMenu) DestroyMenu( hMenu );
197	SetLastError(ERROR_OUTOFMEMORY); //TODO: Wrong error
198	return;
199	}
200	SetLastError(0);
201	return;
202	}
203	//******************************************************************************
204	//******************************************************************************
205	Win32Dialog::~Win32Dialog()
206	{
207	if (hUserFont) DeleteObject( hUserFont );
208	if (hMenu) DestroyMenu( hMenu );
209
210	WINPROC_FreeProc(Win32DlgProc, WIN_PROC_WINDOW);
211	}
212	//******************************************************************************
213	//******************************************************************************
214	ULONG Win32Dialog::MsgCreate(HWND hwndOS2)
215	{
216	CREATESTRUCTA *cs = tmpcs; //pointer to CREATESTRUCT used in CreateWindowExA method
217	LPARAM param = tmpParam;
218	LPSTR dlgTemplate = tmpDlgTemplate;
219
220	Win32BaseWindow::MsgCreate(hwndOS2);
221
222	if(!isUnicode) {
223	if(cs->lpszName) FreeAsciiString((LPSTR)cs->lpszName);
224	if(HIWORD(cs->lpszClass)) {
225	FreeAsciiString((LPSTR)cs->lpszClass);
226	}
227	}
228
229	if (hUserFont)
230	SendInternalMessageA(WM_SETFONT, (WPARAM)hUserFont, 0 );
231
232	/* Create controls */
233	if (createControls(dlgTemplate, hInstance))
234	{
235	dprintf(("******* DIALOG CONTROLS CREATED **********"));
236	/* Send initialisation messages and set focus */
237	hwndFocus = GetNextDlgTabItem( getWindowHandle(), 0, FALSE );
238	dprintf(("dlg ctor: GetNextDlgTabItem returned %x, capture hwnd = %x", hwndFocus, GetCapture()));
239
240	HWND hwndPreInitFocus = GetFocus();
241	if(SendInternalMessageA(WM_INITDIALOG, (WPARAM)hwndFocus, param)) {
242	SetFocus(hwndFocus);
243	}
244	else
245	{
246	/* If the dlgproc has returned FALSE (indicating handling of keyboard focus)
247	but the focus has not changed, set the focus where we expect it. */
248	if ( (getStyle() & WS_VISIBLE) && ( GetFocus() == hwndPreInitFocus ) )
249	SetFocus( hwndFocus );
250	}
251
252	if (dlgInfo.style & WS_VISIBLE && !(getStyle() & WS_VISIBLE))
253	{
254	ShowWindow( SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
255	UpdateWindow( getWindowHandle() );
256	}
257	SetLastError(0);
258	dprintf(("******* DIALOG CREATED **********"));
259	return TRUE;
260	}
261	dprintf(("******* DIALOG CREATION FAILED! **********"));
262	return FALSE;
263	}
264	//******************************************************************************
265	//******************************************************************************
266	BOOL Win32Dialog::MapDialogRect(LPRECT rect)
267	{
268	rect->left = (rect->left * xUnit) / 4;
269	rect->right = (rect->right * xUnit) / 4;
270	rect->top = (rect->top * yUnit) / 8;
271	rect->bottom = (rect->bottom * yUnit) / 8;
272	return TRUE;
273	}
274	/***********************************************************************
275	* DIALOG_DoDialogBox
276	*/
277	INT Win32Dialog::doDialogBox()
278	{
279	Win32BaseWindow *topOwner;
280	MSG msg;
281	INT retval;
282
283	/* Owner must be a top-level window */
284	if(getOwner() == NULL) {
285	topOwner = windowDesktop;
286	}
287	else topOwner = getOwner()->GetTopParent();
288
289	if(topOwner == NULL) {
290	dprintf(("Dialog box has no top owner!!!"));
291	return -1;
292	}
293
294	if (!dialogFlags & DF_END) /* was EndDialog called in WM_INITDIALOG ? */
295	{
296	HWND hwndOldDialog;
297	BOOL bOldOwner;
298
299	fIsModalDialog = TRUE;
300	topOwner->EnableWindow(FALSE);
301
302	bOldOwner = topOwner->IsModalDialogOwner();
303	topOwner->setModalDialogOwner(TRUE);
304	hwndOldDialog = topOwner->getOS2HwndModalDialog();
305	topOwner->setOS2HwndModalDialog(OS2Hwnd);
306	ShowWindow(SW_SHOW);
307
308	//CB: 100% CPU usage, need a better solution with OSLibWinGetMsg
309	// is WM_ENTERIDLE used and leaving away breaks an application?
310	// this style was useful for Win3.1 but today there are threads
311	// solution: send only few WM_ENTERIDLE messages
312
313	#if 1
314	while (TRUE)
315	{
316	if (!OSLibWinPeekMsg(&msg,0,0,0,PM_NOREMOVE))
317	{
318	if(!(getStyle() & DS_NOIDLEMSG))
319	topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
320	OSLibWinGetMsg(&msg,0,0,0);
321	}
322	else OSLibWinPeekMsg(&msg,0,0,0,PM_REMOVE);
323
324	if(msg.message == WM_QUIT)
325	{
326	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
327	break;
328	}
329	if (!IsDialogMessageA( getWindowHandle(), &msg))
330	{
331	TranslateMessage( &msg );
332	DispatchMessageA( &msg );
333	}
334	if (dialogFlags & DF_END)
335	break;
336	}
337	#else
338	while (TRUE) {
339	// while (OSLibWinPeekMsg(&msg, getWindowHandle(), owner, MSGF_DIALOGBOX,
340	// MSG_REMOVE, !(getStyle() & DS_NOIDLEMSG), NULL ))
341	// if(OSLibWinPeekMsg(&msg, topOwner->getOS2FrameWindowHandle(), 0, 0, MSG_REMOVE))
342	if(OSLibWinPeekMsg(&msg, 0, 0, 0, PM_REMOVE))
343	{
344	if(msg.message == WM_QUIT) {
345	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
346	break;
347	}
348	if (!IsDialogMessageA( getWindowHandle(), &msg))
349	{
350	TranslateMessage( &msg );
351	DispatchMessageA( &msg );
352	}
353	if (dialogFlags & DF_END) break;
354	}
355	else {
356	if(!(getStyle() & DS_NOIDLEMSG)) {
357	topOwner->SendInternalMessageA(WM_ENTERIDLE, MSGF_DIALOGBOX, getWindowHandle());
358	}
359	}
360	}
361	#endif
362	topOwner->setModalDialogOwner(bOldOwner);
363	topOwner->setOS2HwndModalDialog(hwndOldDialog);
364	if (!bOldOwner) topOwner->EnableWindow(TRUE);
365	}
366	retval = idResult;
367	DestroyWindow();
368	return retval;
369	}
370	/***********************************************************************
371	* DIALOG_Init
372	*
373	* Initialisation of the dialog manager.
374	*/
375	BOOL Win32Dialog::DIALOG_Init(void)
376	{
377	HDC hdc;
378	SIZE size;
379
380	/* Calculate the dialog base units */
381	if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
382	if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
383	DeleteDC( hdc );
384	xBaseUnit = size.cx;
385	yBaseUnit = size.cy;
386
387	return TRUE;
388	}
389	/***********************************************************************
390	* DIALOG_GetCharSizeFromDC
391	*
392	*
393	* Calculates the true average size of English characters in the
394	* specified font as oppposed to the one returned by GetTextMetrics.
395	*/
396	BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
397	{
398	BOOL Success = FALSE;
399	HFONT hUserFontPrev = 0;
400	pSize->cx = xBaseUnit;
401	pSize->cy = yBaseUnit;
402
403	if ( hDC )
404	{
405	/* select the font */
406	TEXTMETRICA tm;
407	memset(&tm,0,sizeof(tm));
408	if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
409	if (GetTextMetricsA(hDC,&tm))
410	{
411	pSize->cx = tm.tmAveCharWidth;
412	pSize->cy = tm.tmHeight;
413
414	/* if variable width font */
415	if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
416	{
417	SIZE total;
418	static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
419
420	/* Calculate a true average as opposed to the one returned
421	* by tmAveCharWidth. This works better when dealing with
422	* proportional spaced fonts and (more important) that's
423	* how Microsoft's dialog creation code calculates the size
424	* of the font
425	*/
426	if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
427	{
428	/* round up */
429	pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
430	Success = TRUE;
431	}
432	}
433	else
434	{
435	Success = TRUE;
436	}
437	}
438
439	/* select the original font */
440	if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
441	}
442	return (Success);
443	}
444	/***********************************************************************
445	* DIALOG_GetCharSize
446	*
447	*
448	* Calculates the true average size of English characters in the
449	* specified font as oppposed to the one returned by GetTextMetrics.
450	* A convenient variant of DIALOG_GetCharSizeFromDC.
451	*/
452	BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
453	{
454	HDC hDC = GetDC(0);
455	BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
456	ReleaseDC(0, hDC);
457	return Success;
458	}
459	/***********************************************************************
460	* DIALOG_ParseTemplate32
461	*
462	* Fill a DLG_TEMPLATE structure from the dialog template, and return
463	* a pointer to the first control.
464	*/
465	LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
466	{
467	const WORD p = (const WORD )dlgtemplate;
468
469	result->style = GET_DWORD(p); p += 2;
470	if (result->style == 0xffff0001) /* DIALOGEX resource */
471	{
472	result->dialogEx = TRUE;
473	result->helpId = GET_DWORD(p); p += 2;
474	result->exStyle = GET_DWORD(p); p += 2;
475	result->style = GET_DWORD(p); p += 2;
476	}
477	else
478	{
479	result->dialogEx = FALSE;
480	result->helpId = 0;
481	result->exStyle = GET_DWORD(p); p += 2;
482	}
483	result->nbItems = GET_WORD(p); p++;
484	result->x = GET_WORD(p); p++;
485	result->y = GET_WORD(p); p++;
486	result->cx = GET_WORD(p); p++;
487	result->cy = GET_WORD(p); p++;
488
489	/* Get the menu name */
490
491	switch(GET_WORD(p))
492	{
493	case 0x0000:
494	result->menuName = NULL;
495	p++;
496	break;
497	case 0xffff:
498	result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
499	p += 2;
500	break;
501	default:
502	result->menuName = (LPCSTR)p;
503	p += lstrlenW( (LPCWSTR)p ) + 1;
504	break;
505	}
506
507	/* Get the class name */
508	switch(GET_WORD(p))
509	{
510	case 0x0000:
511	result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
512	p++;
513	break;
514	case 0xffff:
515	result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
516	p += 2;
517	break;
518	default:
519	result->className = (LPCSTR)p;
520	p += lstrlenW( (LPCWSTR)p ) + 1;
521	break;
522	}
523
524	/* Get the window caption */
525
526	result->caption = (LPCSTR)p;
527	p += lstrlenW( (LPCWSTR)p ) + 1;
528
529	/* Get the font name */
530
531	if (result->style & DS_SETFONT)
532	{
533	result->pointSize = GET_WORD(p);
534	p++;
535	if (result->dialogEx)
536	{
537	result->weight = GET_WORD(p); p++;
538	result->italic = LOBYTE(GET_WORD(p)); p++;
539	}
540	else
541	{
542	result->weight = FW_DONTCARE;
543	result->italic = FALSE;
544	}
545	result->faceName = (LPCSTR)p;
546	p += lstrlenW( (LPCWSTR)p ) + 1;
547	}
548
549	/* First control is on dword boundary */
550	return (LPCSTR)((((int)p) + 3) & ~3);
551	}
552	/***********************************************************************
553	* DIALOG_GetControl32
554	*
555	* Return the class and text of the control pointed to by ptr,
556	* fill the header structure and return a pointer to the next control.
557	*/
558	WORD Win32Dialog::getControl(const WORD p, DLG_CONTROL_INFO *info, BOOL dialogEx)
559	{
560	if (dialogEx)
561	{
562	info->helpId = GET_DWORD(p); p += 2;
563	info->exStyle = GET_DWORD(p); p += 2;
564	info->style = GET_DWORD(p); p += 2;
565	}
566	else
567	{
568	info->helpId = 0;
569	info->style = GET_DWORD(p); p += 2;
570	info->exStyle = GET_DWORD(p); p += 2;
571	}
572	info->x = GET_WORD(p); p++;
573	info->y = GET_WORD(p); p++;
574	info->cx = GET_WORD(p); p++;
575	info->cy = GET_WORD(p); p++;
576
577	if (dialogEx)
578	{
579	/* id is a DWORD for DIALOGEX */
580	info->id = GET_DWORD(p);
581	p += 2;
582	}
583	else
584	{
585	info->id = GET_WORD(p);
586	p++;
587	}
588
589	if (GET_WORD(p) == 0xffff)
590	{
591	static const WCHAR class_names[6][10] =
592	{
593	{ 'B','u','t','t','o','n', }, /* 0x80 */
594	{ 'E','d','i','t', }, /* 0x81 */
595	{ 'S','t','a','t','i','c', }, /* 0x82 */
596	{ 'L','i','s','t','B','o','x', }, /* 0x83 */
597	{ 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
598	{ 'C','o','m','b','o','B','o','x', } /* 0x85 */
599	};
600	WORD id = GET_WORD(p+1);
601	if ((id >= 0x80) && (id <= 0x85))
602	info->className = (LPCSTR)class_names[id - 0x80];
603	else
604	{
605	info->className = NULL;
606	dprintf(("Unknown built-in class id %04x\n", id ));
607	}
608	p += 2;
609	}
610	else
611	{
612	info->className = (LPCSTR)p;
613	p += lstrlenW( (LPCWSTR)p ) + 1;
614	}
615
616	if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
617	{
618	info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
619	p += 2;
620	}
621	else
622	{
623	info->windowName = (LPCSTR)p;
624	p += lstrlenW( (LPCWSTR)p ) + 1;
625	}
626
627	if (GET_WORD(p))
628	{
629	info->data = (LPVOID)(p + 1);
630	p += GET_WORD(p) / sizeof(WORD);
631	}
632	else info->data = NULL;
633	p++;
634
635	/* Next control is on dword boundary */
636	return (WORD *)((((int)p) + 3) & ~3);
637	}
638
639
640	/***********************************************************************
641	* DIALOG_CreateControls
642	*
643	* Create the control windows for a dialog.
644	*/
645	BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
646	{
647	DLG_CONTROL_INFO info;
648	HWND hwndCtrl, hwndDefButton = 0;
649	INT items = dlgInfo.nbItems;
650
651	while (items--)
652	{
653	dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
654
655	dprintf(("Create CONTROL %d", info.id));
656	char *classNameA = NULL;
657	char *windowNameA = NULL;
658
659	if(HIWORD(info.className)) {
660	classNameA = UnicodeToAsciiString((LPWSTR)info.className);
661	}
662	else classNameA = (char *)info.className;
663
664	if(HIWORD(info.windowName)) {
665	windowNameA = UnicodeToAsciiString((LPWSTR)info.windowName);
666	}
667	else windowNameA = (char *)info.windowName;
668
669	hwndCtrl = ::CreateWindowExA( info.exStyle \| WS_EX_NOPARENTNOTIFY,
670	classNameA,
671	windowNameA,
672	info.style \| WS_CHILD \| WS_CLIPSIBLINGS,
673	info.x * xUnit / 4,
674	info.y * yUnit / 8,
675	info.cx * xUnit / 4,
676	info.cy * yUnit / 8,
677	getWindowHandle(), (HMENU)info.id,
678	hInst, info.data );
679	if(HIWORD(classNameA)) {
680	FreeAsciiString(classNameA);
681	}
682	if(HIWORD(windowNameA)) {
683	FreeAsciiString(windowNameA);
684	}
685
686	if (!hwndCtrl) return FALSE;
687
688	/* Send initialisation messages to the control */
689	if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
690
691	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
692	{
693	/* If there's already a default push-button, set it back */
694	/* to normal and use this one instead. */
695	if (hwndDefButton)
696	::SendMessageA( hwndDefButton, BM_SETSTYLE,
697	BS_PUSHBUTTON,FALSE );
698	hwndDefButton = hwndCtrl;
699	idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
700	}
701	dprintf(("Create CONTROL %d DONE", info.id));
702	}
703	return TRUE;
704	}
705	/***********************************************************************
706	* DEFDLG_Proc
707	*
708	* Implementation of DefDlgProc(). Only handle messages that need special
709	* handling for dialogs.
710	*/
711	LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
712	{
713	switch(msg)
714	{
715	case WM_ERASEBKGND:
716	{
717	RECT rect;
718	int rc;
719
720	if (!windowClass \|\| !windowClass->getBackgroundBrush()) return 0;
721
722	rc = GetClipBox( (HDC)wParam, &rect );
723	if ((rc == SIMPLEREGION) \|\| (rc == COMPLEXREGION))
724	{
725	HBRUSH hBrush = windowClass->getBackgroundBrush();
726
727	if (hBrush <= (HBRUSH)(SYSCOLOR_GetLastColor()+1))
728	hBrush = GetSysColorBrush(hBrush-1);
729
730	FillRect( (HDC)wParam, &rect, hBrush);
731	}
732
733	return 1;
734	}
735
736	case WM_NCDESTROY:
737	/* Free dialog heap (if created) */
738	#if 0
739	if (dlgInfo->hDialogHeap)
740	{
741	GlobalUnlock16(dlgInfo->hDialogHeap);
742	GlobalFree16(dlgInfo->hDialogHeap);
743	dlgInfo->hDialogHeap = 0;
744	}
745	#endif
746	/* Delete font */
747	if (hUserFont)
748	{
749	DeleteObject( hUserFont );
750	hUserFont = 0;
751	}
752
753	/* Delete menu */
754	if (hMenu)
755	{
756	DestroyMenu( hMenu );
757	hMenu = 0;
758	}
759
760	/* Delete window procedure */
761	Win32DlgProc = 0;
762	dialogFlags \|= DF_END; /* just in case */
763
764	/* Window clean-up */
765	return DefWindowProcA(msg, wParam, lParam );
766
767	case WM_SHOWWINDOW:
768	if (!wParam) saveFocus();
769	return DefWindowProcA(msg, wParam, lParam );
770
771	case WM_ACTIVATE:
772	if (wParam) {
773	restoreFocus();
774	}
775	else saveFocus();
776	return 0;
777
778	case WM_SETFOCUS:
779	restoreFocus();
780	return 0;
781
782	case DM_SETDEFID:
783	if (dialogFlags & DF_END)
784	return 1;
785
786	setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
787	return 1;
788
789	case DM_GETDEFID:
790	{
791	HWND hwndDefId;
792	if (dialogFlags & DF_END) return 0;
793	if (idResult)
794	return MAKELONG( idResult, DC_HASDEFID );
795	if ((hwndDefId = findDefButton()) != 0)
796	return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
797
798	return 0;
799	}
800
801	case WM_NEXTDLGCTL:
802	{
803	HWND hwndDest = (HWND)wParam;
804	if (!lParam)
805	hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
806	if (hwndDest) setFocus( hwndDest );
807	setDefButton( hwndDest );
808	return 0;
809	}
810
811	case WM_ENTERMENULOOP:
812	case WM_LBUTTONDOWN:
813	case WM_NCLBUTTONDOWN:
814	{
815	HWND hwndCurFocus = GetFocus();
816	if (hwndCurFocus)
817	{
818	Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
819
820	if(wndFocus)
821	{
822	/* always make combo box hide its listbox control */
823	if( CONTROLS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
824	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
825	else
826	if( CONTROLS_IsControl( wndFocus, EDIT_CONTROL ) &&
827	CONTROLS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
828	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
829	}
830	}
831	return DefWindowProcA( msg, wParam, lParam );
832	}
833
834	case WM_GETFONT:
835	return hUserFont;
836
837	case WM_CLOSE:
838	PostMessageA(getWindowHandle(), WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
839	return 0;
840
841	case WM_NOTIFYFORMAT:
842	return DefWindowProcA(msg, wParam, lParam );
843	}
844	return 0;
845	}
846	//******************************************************************************
847	//******************************************************************************
848	LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
849	{
850	BOOL result = FALSE;
851
852	msgResult = 0;
853
854	if (Win32DlgProc) { /* Call dialog procedure */
855	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
856	}
857
858	if (!result && IsWindow())
859	{
860	/* callback didn't process this message */
861	switch(Msg)
862	{
863	case WM_ERASEBKGND:
864	case WM_SHOWWINDOW:
865	case WM_ACTIVATE:
866	case WM_SETFOCUS:
867	case DM_SETDEFID:
868	case DM_GETDEFID:
869	case WM_NEXTDLGCTL:
870	case WM_GETFONT:
871	case WM_CLOSE:
872	case WM_NCDESTROY:
873	case WM_ENTERMENULOOP:
874	case WM_LBUTTONDOWN:
875	case WM_NCLBUTTONDOWN:
876	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
877
878	case WM_INITDIALOG:
879	case WM_VKEYTOITEM:
880	case WM_COMPAREITEM:
881	case WM_CHARTOITEM:
882	break;
883
884	default:
885	return DefWindowProcA(Msg, wParam, lParam );
886	}
887	}
888	return DefDlg_Epilog(Msg, result);
889	}
890	//******************************************************************************
891	//******************************************************************************
892	LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
893	{
894	BOOL result = FALSE;
895
896	msgResult = 0;
897
898	if (Win32DlgProc) { /* Call dialog procedure */
899	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
900	}
901
902	if (!result && IsWindow())
903	{
904	/* callback didn't process this message */
905	switch(Msg)
906	{
907	case WM_ERASEBKGND:
908	case WM_SHOWWINDOW:
909	case WM_ACTIVATE:
910	case WM_SETFOCUS:
911	case DM_SETDEFID:
912	case DM_GETDEFID:
913	case WM_NEXTDLGCTL:
914	case WM_GETFONT:
915	case WM_CLOSE:
916	case WM_NCDESTROY:
917	case WM_ENTERMENULOOP:
918	case WM_LBUTTONDOWN:
919	case WM_NCLBUTTONDOWN:
920	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
921
922	case WM_INITDIALOG:
923	case WM_VKEYTOITEM:
924	case WM_COMPAREITEM:
925	case WM_CHARTOITEM:
926	break;
927
928	default:
929	return DefWindowProcW(Msg, wParam, lParam );
930	}
931	}
932	return DefDlg_Epilog(Msg, result);
933	}
934	/***********************************************************************
935	* DEFDLG_Epilog
936	*/
937	LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
938	{
939	/* see SDK 3.1 */
940	if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) \|\|
941	msg == WM_CTLCOLOR \|\| msg == WM_COMPAREITEM \|\|
942	msg == WM_VKEYTOITEM \|\| msg == WM_CHARTOITEM \|\|
943	msg == WM_QUERYDRAGICON \|\| msg == WM_INITDIALOG)
944	return fResult;
945
946	return msgResult;
947	}
948	/***********************************************************************
949	* DEFDLG_SetFocus
950	*
951	* Set the focus to a control of the dialog, selecting the text if
952	* the control is an edit dialog.
953	*/
954	void Win32Dialog::setFocus(HWND hwndCtrl )
955	{
956	HWND hwndPrev = GetFocus();
957
958	if (IsChild( hwndPrev ))
959	{
960	if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
961	::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
962	}
963	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
964	::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
965	SetFocus( hwndCtrl );
966	}
967
968
969	/***********************************************************************
970	* DEFDLG_SaveFocus
971	*/
972	BOOL Win32Dialog::saveFocus()
973	{
974	HWND hwndCurrentFocus = GetFocus();
975
976	if (!hwndCurrentFocus \|\| !IsChild( hwndCurrentFocus )) return FALSE;
977
978	hwndFocus = hwndCurrentFocus;
979	/* Remove default button */
980	return TRUE;
981	}
982
983
984	/***********************************************************************
985	* DEFDLG_RestoreFocus
986	*/
987	BOOL Win32Dialog::restoreFocus()
988	{
989	if (!hwndFocus \|\| IsWindowIconic()) return FALSE;
990
991	if (!::IsWindow( hwndFocus )) return FALSE;
992
993	/* Don't set the focus back to controls if EndDialog is already called.*/
994	if (!(dialogFlags & DF_END))
995	setFocus(hwndFocus);
996
997	/* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
998	sometimes losing focus when receiving WM_SETFOCUS messages. */
999	return TRUE;
1000	}
1001
1002
1003	/***********************************************************************
1004	* DEFDLG_FindDefButton
1005	*
1006	* Find the current default push-button.
1007	*/
1008	HWND Win32Dialog::findDefButton()
1009	{
1010	HWND hwndChild = GetWindow( GW_CHILD );
1011	while (hwndChild)
1012	{
1013	if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
1014	break;
1015	hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
1016	}
1017	return hwndChild;
1018	}
1019
1020
1021	/***********************************************************************
1022	* DEFDLG_SetDefButton
1023	*
1024	* Set the new default button to be hwndNew.
1025	*/
1026	BOOL Win32Dialog::setDefButton(HWND hwndNew )
1027	{
1028	if (hwndNew &&
1029	!(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
1030	return FALSE; /* Destination is not a push button */
1031
1032	if (idResult) /* There's already a default pushbutton */
1033	{
1034	HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
1035	if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
1036	::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1037	}
1038	if (hwndNew)
1039	{
1040	::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1041	idResult = GetDlgCtrlID( hwndNew );
1042	}
1043	else idResult = 0;
1044	return TRUE;
1045	}
1046	//******************************************************************************
1047	//******************************************************************************
1048	BOOL Win32Dialog::endDialog(int retval)
1049	{
1050	dialogFlags \|= DF_END;
1051	idResult = retval;
1052	return TRUE;
1053	}
1054	//******************************************************************************
1055	//******************************************************************************
1056	LONG Win32Dialog::SetWindowLongA(int index, ULONG value, BOOL fUnicode)
1057	{
1058	LONG oldval;
1059
1060	dprintf2(("Win32Dialog::SetWindowLongA %x %d %x", getWindowHandle(), index, value));
1061	switch(index)
1062	{
1063	case DWL_DLGPROC:
1064	oldval = (LONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1065	WINPROC_SetProc((HWINDOWPROC *)&Win32DlgProc, (WNDPROC)value, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A, WIN_PROC_WINDOW);
1066	return oldval;
1067	case DWL_MSGRESULT:
1068	oldval = msgResult;
1069	msgResult = value;
1070	return oldval;
1071	case DWL_USER:
1072	oldval = userDlgData;
1073	userDlgData = value;
1074	return oldval;
1075	default:
1076	return Win32BaseWindow::SetWindowLongA(index, value);
1077	}
1078	}
1079	//******************************************************************************
1080	//******************************************************************************
1081	ULONG Win32Dialog::GetWindowLongA(int index, BOOL fUnicode)
1082	{
1083	dprintf2(("Win32Dialog::GetWindowLongA %x %d", getWindowHandle(), index));
1084	switch(index)
1085	{
1086	case DWL_DLGPROC:
1087	return (ULONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1088	case DWL_MSGRESULT:
1089	return msgResult;
1090	case DWL_USER:
1091	return userDlgData;
1092	default:
1093	return Win32BaseWindow::GetWindowLongA(index);
1094	}
1095	}
1096	//******************************************************************************
1097	//******************************************************************************
1098	BOOL DIALOG_Register()
1099	{
1100	WNDCLASSA wndClass;
1101
1102	ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1103	wndClass.style = CS_GLOBALCLASS \| CS_SAVEBITS;
1104	wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1105	wndClass.cbClsExtra = 0;
1106	wndClass.cbWndExtra = 0;
1107	wndClass.hCursor = LoadCursorA(0,IDC_ARROWA);
1108	wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1109	wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1110
1111	return RegisterClassA(&wndClass);
1112	}
1113	//******************************************************************************
1114	//******************************************************************************
1115	BOOL DIALOG_Unregister()
1116	{
1117	if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1118	return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1119	else return FALSE;
1120	}
1121	//******************************************************************************
1122	//******************************************************************************
1123	BOOL Win32Dialog::fInitialized = FALSE;
1124	int Win32Dialog::xBaseUnit = 10;
1125	int Win32Dialog::yBaseUnit = 20;

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