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source: trunk/src/user32/win32dlg.cpp@ 2033

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Last change on this file since 2033 was 2033, checked in by sandervl, 26 years ago
Unicode <-> Ascii translation changes + fixes for window procedures
File size: 33.0 KB

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1	/* $Id: win32dlg.cpp,v 1.36 1999-12-09 00:53:37 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	SendMessageA(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 (SendMessageA(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,MSG_NOREMOVE))
296	{
297	if(!(getStyle() & DS_NOIDLEMSG))
298	topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
299	OSLibWinGetMsg(&msg,0,0,0);
300	} else OSLibWinPeekMsg(&msg,0,0,0,MSG_REMOVE);
301
302	if(msg.message == WM_QUIT)
303	{
304	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
305	break;
306	}
307	if (!IsDialogMessageA( getWindowHandle(), &msg))
308	{
309	TranslateMessage( &msg );
310	DispatchMessageA( &msg );
311	}
312	if (dialogFlags & DF_END) break;
313	}
314	#else
315	while (TRUE) {
316	// while (OSLibWinPeekMsg(&msg, getWindowHandle(), owner, MSGF_DIALOGBOX,
317	// MSG_REMOVE, !(getStyle() & DS_NOIDLEMSG), NULL ))
318	// if(OSLibWinPeekMsg(&msg, topOwner->getOS2FrameWindowHandle(), 0, 0, MSG_REMOVE))
319	if(OSLibWinPeekMsg(&msg, 0, 0, 0, MSG_REMOVE))
320	{
321	if(msg.message == WM_QUIT) {
322	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
323	break;
324	}
325	if (!IsDialogMessageA( getWindowHandle(), &msg))
326	{
327	TranslateMessage( &msg );
328	DispatchMessageA( &msg );
329	}
330	if (dialogFlags & DF_END) break;
331	}
332	else {
333	if(!(getStyle() & DS_NOIDLEMSG)) {
334	topOwner->SendMessageA(WM_ENTERIDLE, MSGF_DIALOGBOX, getWindowHandle());
335	}
336	}
337	}
338	#endif
339	topOwner->setModalDialogOwner(bOldOwner);
340	topOwner->setOS2HwndModalDialog(hwndOldDialog);
341	if (!bOldOwner) topOwner->EnableWindow(TRUE);
342	}
343	retval = idResult;
344	DestroyWindow();
345	return retval;
346	}
347	/***********************************************************************
348	* DIALOG_Init
349	*
350	* Initialisation of the dialog manager.
351	*/
352	BOOL Win32Dialog::DIALOG_Init(void)
353	{
354	HDC hdc;
355	SIZE size;
356
357	/* Calculate the dialog base units */
358	if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
359	if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
360	DeleteDC( hdc );
361	xBaseUnit = size.cx;
362	yBaseUnit = size.cy;
363
364	return TRUE;
365	}
366	/***********************************************************************
367	* DIALOG_GetCharSizeFromDC
368	*
369	*
370	* Calculates the true average size of English characters in the
371	* specified font as oppposed to the one returned by GetTextMetrics.
372	*/
373	BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
374	{
375	BOOL Success = FALSE;
376	HFONT hUserFontPrev = 0;
377	pSize->cx = xBaseUnit;
378	pSize->cy = yBaseUnit;
379
380	if ( hDC )
381	{
382	/* select the font */
383	TEXTMETRICA tm;
384	memset(&tm,0,sizeof(tm));
385	if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
386	if (GetTextMetricsA(hDC,&tm))
387	{
388	pSize->cx = tm.tmAveCharWidth;
389	pSize->cy = tm.tmHeight;
390
391	/* if variable width font */
392	if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
393	{
394	SIZE total;
395	static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
396
397	/* Calculate a true average as opposed to the one returned
398	* by tmAveCharWidth. This works better when dealing with
399	* proportional spaced fonts and (more important) that's
400	* how Microsoft's dialog creation code calculates the size
401	* of the font
402	*/
403	if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
404	{
405	/* round up */
406	pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
407	Success = TRUE;
408	}
409	}
410	else
411	{
412	Success = TRUE;
413	}
414	}
415
416	/* select the original font */
417	if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
418	}
419	return (Success);
420	}
421	/***********************************************************************
422	* DIALOG_GetCharSize
423	*
424	*
425	* Calculates the true average size of English characters in the
426	* specified font as oppposed to the one returned by GetTextMetrics.
427	* A convenient variant of DIALOG_GetCharSizeFromDC.
428	*/
429	BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
430	{
431	HDC hDC = GetDC(0);
432	BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
433	ReleaseDC(0, hDC);
434	return Success;
435	}
436	/***********************************************************************
437	* DIALOG_ParseTemplate32
438	*
439	* Fill a DLG_TEMPLATE structure from the dialog template, and return
440	* a pointer to the first control.
441	*/
442	LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
443	{
444	const WORD p = (const WORD )dlgtemplate;
445
446	result->style = GET_DWORD(p); p += 2;
447	if (result->style == 0xffff0001) /* DIALOGEX resource */
448	{
449	result->dialogEx = TRUE;
450	result->helpId = GET_DWORD(p); p += 2;
451	result->exStyle = GET_DWORD(p); p += 2;
452	result->style = GET_DWORD(p); p += 2;
453	}
454	else
455	{
456	result->dialogEx = FALSE;
457	result->helpId = 0;
458	result->exStyle = GET_DWORD(p); p += 2;
459	}
460	result->nbItems = GET_WORD(p); p++;
461	result->x = GET_WORD(p); p++;
462	result->y = GET_WORD(p); p++;
463	result->cx = GET_WORD(p); p++;
464	result->cy = GET_WORD(p); p++;
465
466	/* Get the menu name */
467
468	switch(GET_WORD(p))
469	{
470	case 0x0000:
471	result->menuName = NULL;
472	p++;
473	break;
474	case 0xffff:
475	result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
476	p += 2;
477	break;
478	default:
479	result->menuName = (LPCSTR)p;
480	p += lstrlenW( (LPCWSTR)p ) + 1;
481	break;
482	}
483
484	/* Get the class name */
485	switch(GET_WORD(p))
486	{
487	case 0x0000:
488	result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
489	p++;
490	break;
491	case 0xffff:
492	result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
493	p += 2;
494	break;
495	default:
496	result->className = (LPCSTR)p;
497	p += lstrlenW( (LPCWSTR)p ) + 1;
498	break;
499	}
500
501	/* Get the window caption */
502
503	result->caption = (LPCSTR)p;
504	p += lstrlenW( (LPCWSTR)p ) + 1;
505
506	/* Get the font name */
507
508	if (result->style & DS_SETFONT)
509	{
510	result->pointSize = GET_WORD(p);
511	p++;
512	if (result->dialogEx)
513	{
514	result->weight = GET_WORD(p); p++;
515	result->italic = LOBYTE(GET_WORD(p)); p++;
516	}
517	else
518	{
519	result->weight = FW_DONTCARE;
520	result->italic = FALSE;
521	}
522	result->faceName = (LPCSTR)p;
523	p += lstrlenW( (LPCWSTR)p ) + 1;
524	}
525
526	/* First control is on dword boundary */
527	return (LPCSTR)((((int)p) + 3) & ~3);
528	}
529	/***********************************************************************
530	* DIALOG_GetControl32
531	*
532	* Return the class and text of the control pointed to by ptr,
533	* fill the header structure and return a pointer to the next control.
534	*/
535	WORD Win32Dialog::getControl(const WORD p, DLG_CONTROL_INFO *info, BOOL dialogEx)
536	{
537	if (dialogEx)
538	{
539	info->helpId = GET_DWORD(p); p += 2;
540	info->exStyle = GET_DWORD(p); p += 2;
541	info->style = GET_DWORD(p); p += 2;
542	}
543	else
544	{
545	info->helpId = 0;
546	info->style = GET_DWORD(p); p += 2;
547	info->exStyle = GET_DWORD(p); p += 2;
548	}
549	info->x = GET_WORD(p); p++;
550	info->y = GET_WORD(p); p++;
551	info->cx = GET_WORD(p); p++;
552	info->cy = GET_WORD(p); p++;
553
554	if (dialogEx)
555	{
556	/* id is a DWORD for DIALOGEX */
557	info->id = GET_DWORD(p);
558	p += 2;
559	}
560	else
561	{
562	info->id = GET_WORD(p);
563	p++;
564	}
565
566	if (GET_WORD(p) == 0xffff)
567	{
568	static const WCHAR class_names[6][10] =
569	{
570	{ 'B','u','t','t','o','n', }, /* 0x80 */
571	{ 'E','d','i','t', }, /* 0x81 */
572	{ 'S','t','a','t','i','c', }, /* 0x82 */
573	{ 'L','i','s','t','B','o','x', }, /* 0x83 */
574	{ 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
575	{ 'C','o','m','b','o','B','o','x', } /* 0x85 */
576	};
577	WORD id = GET_WORD(p+1);
578	if ((id >= 0x80) && (id <= 0x85))
579	info->className = (LPCSTR)class_names[id - 0x80];
580	else
581	{
582	info->className = NULL;
583	dprintf(("Unknown built-in class id %04x\n", id ));
584	}
585	p += 2;
586	}
587	else
588	{
589	info->className = (LPCSTR)p;
590	p += lstrlenW( (LPCWSTR)p ) + 1;
591	}
592
593	if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
594	{
595	info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
596	p += 2;
597	}
598	else
599	{
600	info->windowName = (LPCSTR)p;
601	p += lstrlenW( (LPCWSTR)p ) + 1;
602	}
603
604	if (GET_WORD(p))
605	{
606	info->data = (LPVOID)(p + 1);
607	p += GET_WORD(p) / sizeof(WORD);
608	}
609	else info->data = NULL;
610	p++;
611
612	/* Next control is on dword boundary */
613	return (WORD *)((((int)p) + 3) & ~3);
614	}
615
616
617	/***********************************************************************
618	* DIALOG_CreateControls
619	*
620	* Create the control windows for a dialog.
621	*/
622	BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
623	{
624	DLG_CONTROL_INFO info;
625	HWND hwndCtrl, hwndDefButton = 0;
626	INT items = dlgInfo.nbItems;
627
628	while (items--)
629	{
630	dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
631
632	dprintf(("Create CONTROL %d", info.id));
633	char *classNameA = NULL;
634	char *windowNameA = NULL;
635
636	if(HIWORD(info.className)) {
637	classNameA = UnicodeToAsciiString((LPWSTR)info.className);
638	}
639	else classNameA = (char *)info.className;
640
641	if(HIWORD(info.windowName)) {
642	windowNameA = UnicodeToAsciiString((LPWSTR)info.windowName);
643	}
644	else windowNameA = (char *)info.windowName;
645
646	hwndCtrl = ::CreateWindowExA( info.exStyle \| WS_EX_NOPARENTNOTIFY,
647	classNameA,
648	windowNameA,
649	info.style \| WS_CHILD \| WS_CLIPSIBLINGS,
650	info.x * xUnit / 4,
651	info.y * yUnit / 8,
652	info.cx * xUnit / 4,
653	info.cy * yUnit / 8,
654	getWindowHandle(), (HMENU)info.id,
655	hInst, info.data );
656	if(HIWORD(classNameA)) {
657	FreeAsciiString(classNameA);
658	}
659	if(HIWORD(windowNameA)) {
660	FreeAsciiString(windowNameA);
661	}
662
663	if (!hwndCtrl) return FALSE;
664
665	/* Send initialisation messages to the control */
666	if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
667
668	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
669	{
670	/* If there's already a default push-button, set it back */
671	/* to normal and use this one instead. */
672	if (hwndDefButton)
673	::SendMessageA( hwndDefButton, BM_SETSTYLE,
674	BS_PUSHBUTTON,FALSE );
675	hwndDefButton = hwndCtrl;
676	idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
677	}
678	dprintf(("Create CONTROL %d DONE", info.id));
679	}
680	return TRUE;
681	}
682	/***********************************************************************
683	* DEFDLG_Proc
684	*
685	* Implementation of DefDlgProc(). Only handle messages that need special
686	* handling for dialogs.
687	*/
688	LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
689	{
690	switch(msg)
691	{
692	case WM_ERASEBKGND:
693	{
694	RECT rect;
695	int rc;
696	/* Since WM_ERASEBKGND may receive either a window dc or a */
697	/* client dc, the area to be erased has to be retrieved from */
698	/* the device context. */
699	rc = GetClipBox( (HDC)wParam, &rect );
700	if ((rc == SIMPLEREGION) \|\| (rc == COMPLEXREGION))
701	FillRect( (HDC)wParam, &rect, windowClass->getBackgroundBrush());
702	return 1;
703	}
704	case WM_NCDESTROY:
705	/* Free dialog heap (if created) */
706	#if 0
707	if (dlgInfo->hDialogHeap)
708	{
709	GlobalUnlock16(dlgInfo->hDialogHeap);
710	GlobalFree16(dlgInfo->hDialogHeap);
711	dlgInfo->hDialogHeap = 0;
712	}
713	#endif
714	/* Delete font */
715	if (hUserFont)
716	{
717	DeleteObject( hUserFont );
718	hUserFont = 0;
719	}
720
721	/* Delete menu */
722	if (hMenu)
723	{
724	DestroyMenu( hMenu );
725	hMenu = 0;
726	}
727
728	/* Delete window procedure */
729	Win32DlgProc = 0;
730	dialogFlags \|= DF_END; /* just in case */
731
732	/* Window clean-up */
733	return DefWindowProcA(msg, wParam, lParam );
734
735	case WM_SHOWWINDOW:
736	if (!wParam) saveFocus();
737	return DefWindowProcA(msg, wParam, lParam );
738
739	case WM_ACTIVATE:
740	if (wParam) {
741	restoreFocus();
742	}
743	else saveFocus();
744	return 0;
745
746	case WM_SETFOCUS:
747	restoreFocus();
748	return 0;
749
750	case DM_SETDEFID:
751	if (dialogFlags & DF_END)
752	return 1;
753
754	setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
755	return 1;
756
757	case DM_GETDEFID:
758	{
759	HWND hwndDefId;
760	if (dialogFlags & DF_END) return 0;
761	if (idResult)
762	return MAKELONG( idResult, DC_HASDEFID );
763	if ((hwndDefId = findDefButton()) != 0)
764	return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
765
766	return 0;
767	}
768
769	case WM_NEXTDLGCTL:
770	{
771	HWND hwndDest = (HWND)wParam;
772	if (!lParam)
773	hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
774	if (hwndDest) setFocus( hwndDest );
775	setDefButton( hwndDest );
776	return 0;
777	}
778
779	case WM_ENTERMENULOOP:
780	case WM_LBUTTONDOWN:
781	case WM_NCLBUTTONDOWN:
782	{
783	HWND hwndCurFocus = GetFocus();
784	if (hwndCurFocus)
785	{
786	Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
787
788	if(wndFocus)
789	{
790	/* always make combo box hide its listbox control */
791	if( WIDGETS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
792	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
793	else
794	if( WIDGETS_IsControl( wndFocus, EDIT_CONTROL ) &&
795	WIDGETS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
796	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
797	}
798	}
799	return DefWindowProcA( msg, wParam, lParam );
800	}
801
802	case WM_GETFONT:
803	return hUserFont;
804
805	case WM_CLOSE:
806	PostMessageA(WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
807	return 0;
808
809	case WM_NOTIFYFORMAT:
810	return DefWindowProcA(msg, wParam, lParam );
811	}
812	return 0;
813	}
814	//******************************************************************************
815	//******************************************************************************
816	LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
817	{
818	BOOL result = FALSE;
819
820	msgResult = 0;
821
822	if (Win32DlgProc) { /* Call dialog procedure */
823	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
824	}
825
826	if (!result && IsWindow())
827	{
828	/* callback didn't process this message */
829	switch(Msg)
830	{
831	case WM_ERASEBKGND:
832	case WM_SHOWWINDOW:
833	case WM_ACTIVATE:
834	case WM_SETFOCUS:
835	case DM_SETDEFID:
836	case DM_GETDEFID:
837	case WM_NEXTDLGCTL:
838	case WM_GETFONT:
839	case WM_CLOSE:
840	case WM_NCDESTROY:
841	case WM_ENTERMENULOOP:
842	case WM_LBUTTONDOWN:
843	case WM_NCLBUTTONDOWN:
844	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
845
846	case WM_INITDIALOG:
847	case WM_VKEYTOITEM:
848	case WM_COMPAREITEM:
849	case WM_CHARTOITEM:
850	break;
851
852	default:
853	return DefWindowProcA(Msg, wParam, lParam );
854	}
855	}
856	return DefDlg_Epilog(Msg, result);
857	}
858	//******************************************************************************
859	//******************************************************************************
860	LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
861	{
862	BOOL result = FALSE;
863
864	msgResult = 0;
865
866	if (Win32DlgProc) { /* Call dialog procedure */
867	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
868	}
869
870	if (!result && IsWindow())
871	{
872	/* callback didn't process this message */
873	switch(Msg)
874	{
875	case WM_ERASEBKGND:
876	case WM_SHOWWINDOW:
877	case WM_ACTIVATE:
878	case WM_SETFOCUS:
879	case DM_SETDEFID:
880	case DM_GETDEFID:
881	case WM_NEXTDLGCTL:
882	case WM_GETFONT:
883	case WM_CLOSE:
884	case WM_NCDESTROY:
885	case WM_ENTERMENULOOP:
886	case WM_LBUTTONDOWN:
887	case WM_NCLBUTTONDOWN:
888	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
889
890	case WM_INITDIALOG:
891	case WM_VKEYTOITEM:
892	case WM_COMPAREITEM:
893	case WM_CHARTOITEM:
894	break;
895
896	default:
897	return DefWindowProcW(Msg, wParam, lParam );
898	}
899	}
900	return DefDlg_Epilog(Msg, result);
901	}
902	/***********************************************************************
903	* DEFDLG_Epilog
904	*/
905	LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
906	{
907	/* see SDK 3.1 */
908	if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) \|\|
909	msg == WM_CTLCOLOR \|\| msg == WM_COMPAREITEM \|\|
910	msg == WM_VKEYTOITEM \|\| msg == WM_CHARTOITEM \|\|
911	msg == WM_QUERYDRAGICON \|\| msg == WM_INITDIALOG)
912	return fResult;
913
914	return msgResult;
915	}
916	/***********************************************************************
917	* DEFDLG_SetFocus
918	*
919	* Set the focus to a control of the dialog, selecting the text if
920	* the control is an edit dialog.
921	*/
922	void Win32Dialog::setFocus(HWND hwndCtrl )
923	{
924	HWND hwndPrev = GetFocus();
925
926	if (IsChild( hwndPrev ))
927	{
928	if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
929	::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
930	}
931	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
932	::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
933	SetFocus( hwndCtrl );
934	}
935
936
937	/***********************************************************************
938	* DEFDLG_SaveFocus
939	*/
940	BOOL Win32Dialog::saveFocus()
941	{
942	HWND hwndCurrentFocus = GetFocus();
943
944	if (!hwndCurrentFocus \|\| !IsChild( hwndCurrentFocus )) return FALSE;
945
946	hwndFocus = hwndCurrentFocus;
947	/* Remove default button */
948	return TRUE;
949	}
950
951
952	/***********************************************************************
953	* DEFDLG_RestoreFocus
954	*/
955	BOOL Win32Dialog::restoreFocus()
956	{
957	if (!hwndFocus \|\| IsIconic()) return FALSE;
958
959	if (!::IsWindow( hwndFocus )) return FALSE;
960
961	/* Don't set the focus back to controls if EndDialog is already called.*/
962	if (!(dialogFlags & DF_END))
963	setFocus(hwndFocus);
964
965	/* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
966	sometimes losing focus when receiving WM_SETFOCUS messages. */
967	return TRUE;
968	}
969
970
971	/***********************************************************************
972	* DEFDLG_FindDefButton
973	*
974	* Find the current default push-button.
975	*/
976	HWND Win32Dialog::findDefButton()
977	{
978	HWND hwndChild = GetWindow( GW_CHILD );
979	while (hwndChild)
980	{
981	if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
982	break;
983	hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
984	}
985	return hwndChild;
986	}
987
988
989	/***********************************************************************
990	* DEFDLG_SetDefButton
991	*
992	* Set the new default button to be hwndNew.
993	*/
994	BOOL Win32Dialog::setDefButton(HWND hwndNew )
995	{
996	if (hwndNew &&
997	!(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
998	return FALSE; /* Destination is not a push button */
999
1000	if (idResult) /* There's already a default pushbutton */
1001	{
1002	HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
1003	if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
1004	::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1005	}
1006	if (hwndNew)
1007	{
1008	::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1009	idResult = GetDlgCtrlID( hwndNew );
1010	}
1011	else idResult = 0;
1012	return TRUE;
1013	}
1014	//******************************************************************************
1015	//******************************************************************************
1016	BOOL Win32Dialog::endDialog(int retval)
1017	{
1018	dialogFlags \|= DF_END;
1019	idResult = retval;
1020	return TRUE;
1021	}
1022	//******************************************************************************
1023	//******************************************************************************
1024	LONG Win32Dialog::SetWindowLongA(int index, ULONG value, BOOL fUnicode)
1025	{
1026	LONG oldval;
1027
1028	dprintf2(("Win32Dialog::SetWindowLongA %x %d %x", getWindowHandle(), index, value));
1029	switch(index)
1030	{
1031	case DWL_DLGPROC:
1032	oldval = (LONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1033	WINPROC_SetProc((HWINDOWPROC *)&Win32DlgProc, (WNDPROC)value, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A, WIN_PROC_WINDOW);
1034	return oldval;
1035	case DWL_MSGRESULT:
1036	oldval = msgResult;
1037	msgResult = value;
1038	return oldval;
1039	case DWL_USER:
1040	oldval = userDlgData;
1041	userDlgData = value;
1042	return oldval;
1043	default:
1044	return Win32BaseWindow::SetWindowLongA(index, value);
1045	}
1046	}
1047	//******************************************************************************
1048	//******************************************************************************
1049	ULONG Win32Dialog::GetWindowLongA(int index, BOOL fUnicode)
1050	{
1051	dprintf2(("Win32Dialog::GetWindowLongA %x %d", getWindowHandle(), index));
1052	switch(index)
1053	{
1054	case DWL_DLGPROC:
1055	return (ULONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1056	case DWL_MSGRESULT:
1057	return msgResult;
1058	case DWL_USER:
1059	return userDlgData;
1060	default:
1061	return Win32BaseWindow::GetWindowLongA(index);
1062	}
1063	}
1064	//******************************************************************************
1065	//******************************************************************************
1066	BOOL DIALOG_Register()
1067	{
1068	WNDCLASSA wndClass;
1069
1070	ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1071	wndClass.style = CS_GLOBALCLASS \| CS_SAVEBITS;
1072	wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1073	wndClass.cbClsExtra = 0;
1074	wndClass.cbWndExtra = 0;
1075	wndClass.hCursor = LoadCursorA(0,IDC_ARROWA);
1076	wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1077	wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1078
1079	return RegisterClassA(&wndClass);
1080	}
1081	//******************************************************************************
1082	//******************************************************************************
1083	BOOL DIALOG_Unregister()
1084	{
1085	if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1086	return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1087	else return FALSE;
1088	}
1089	//******************************************************************************
1090	//******************************************************************************
1091	BOOL Win32Dialog::fInitialized = FALSE;
1092	int Win32Dialog::xBaseUnit = 10;
1093	int Win32Dialog::yBaseUnit = 20;

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