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source: trunk/src/user32/win32dlg.cpp@ 1704

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Last change on this file since 1704 was 1704, checked in by sandervl, 26 years ago
dlg fix, keyboard additions, + misc other things
File size: 32.6 KB

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1	/* $Id: win32dlg.cpp,v 1.33 1999-11-11 13:17:31 sandervl Exp $ */
2	/*
3	* Win32 Dialog Code for OS/2
4	*
5	* Copyright 1999 Sander van Leeuwen (sandervl@xs4all.nl) (Wine port & OS/2 adaption)
6	*
7	* Based on Wine code (990815; windows\dialog.c)
8	*
9	* Copyright 1993, 1994, 1996 Alexandre Julliard
10	*
11	* Project Odin Software License can be found in LICENSE.TXT
12	*
13	*/
14	#include <os2win.h>
15	#include <windowsx.h>
16	#include <stdlib.h>
17	#include <string.h>
18	#include <misc.h>
19	#include <win32dlg.h>
20	#include "oslibmsg.h"
21	#include "oslibwin.h"
22	#include "win32wdesktop.h"
23	#include "controls.h"
24
25	#define DEFAULT_DLGFONT "9.WarpSans"
26
27	//******************************************************************************
28	//******************************************************************************
29	Win32Dialog::Win32Dialog(HINSTANCE hInst, LPCSTR dlgTemplate, HWND owner,
30	DLGPROC dlgProc, LPARAM param, BOOL isUnicode)
31	: Win32BaseWindow(OBJTYPE_DIALOG)
32	{
33	RECT rect;
34	WORD style;
35	ATOM classAtom;
36
37	this->isUnicode = isUnicode;
38	hUserFont = 0;
39	hMenu = 0;
40	hwndFocus = 0;
41	Win32DlgProc = 0;
42	msgResult = 0;
43	userDlgData = 0;
44	idResult = 0;
45	dialogFlags = 0;
46	memset(&dlgInfo, 0, sizeof(dlgInfo));
47
48	dprintf(("******* CREATE DIALOG **********"));
49	if(fInitialized == FALSE) {
50	if(DIALOG_Init() == FALSE) {
51	dprintf(("DIALOG_Init FAILED!"));
52	DebugInt3();
53	SetLastError(ERROR_GEN_FAILURE);
54	return;
55	}
56	fInitialized = TRUE;
57	}
58	xUnit = xBaseUnit;
59	yUnit = yBaseUnit;
60
61	/* Parse dialog template */
62	dlgTemplate = parseTemplate(dlgTemplate, &dlgInfo);
63
64	/* Load menu */
65	if (dlgInfo.menuName)
66	{
67	hMenu = LoadMenuW( hInst, (LPCWSTR)dlgInfo.menuName );
68	}
69
70	/* Create custom font if needed */
71	if (dlgInfo.style & DS_SETFONT)
72	{
73	/* The font height must be negative as it is a point size */
74	/* (see CreateFont() documentation in the Windows SDK). */
75	hUserFont = CreateFontW(-(dlgInfo.pointSize*3)/2, 0, 0, 0,
76	dlgInfo.weight, dlgInfo.italic, FALSE,
77	FALSE, DEFAULT_CHARSET, 0, 0, PROOF_QUALITY,
78	FF_DONTCARE, (LPCWSTR)dlgInfo.faceName );
79	if (hUserFont)
80	{
81	SIZE charSize;
82	getCharSize(hUserFont,&charSize);
83	xUnit = charSize.cx;
84	yUnit = charSize.cy;
85	}
86	}
87
88	//Set help id
89	setWindowContextHelpId(dlgInfo.helpId);
90
91	/* Create dialog main window */
92	rect.left = rect.top = 0;
93	rect.right = dlgInfo.cx * xUnit / 4;
94	rect.bottom = dlgInfo.cy * yUnit / 8;
95	if (dlgInfo.style & DS_MODALFRAME)
96	dlgInfo.exStyle \|= WS_EX_DLGMODALFRAME;
97
98	AdjustWindowRectEx( &rect, dlgInfo.style, hMenu ? TRUE : FALSE , dlgInfo.exStyle );
99	rect.right -= rect.left;
100	rect.bottom -= rect.top;
101
102	if ((INT16)dlgInfo.x == CW_USEDEFAULT16)
103	{
104	rect.left = rect.top = CW_USEDEFAULT;
105	}
106	else
107	{
108	if (dlgInfo.style & DS_CENTER)
109	{
110	rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
111	rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
112	}
113	else
114	{
115	rect.left += dlgInfo.x * xUnit / 4;
116	rect.top += dlgInfo.y * yUnit / 8;
117	}
118	if ( !(dlgInfo.style & WS_CHILD) )
119	{
120	INT dX, dY;
121
122	if( !(dlgInfo.style & DS_ABSALIGN) )
123	ClientToScreen(owner, (POINT *)&rect );
124
125	/* try to fit it into the desktop */
126
127	if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
128	- GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
129	if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
130	- GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
131	if( rect.left < 0 ) rect.left = 0;
132	if( rect.top < 0 ) rect.top = 0;
133	}
134	}
135
136	/* Create the dialog window */
137
138	/* Find the class atom */
139	if (!HIWORD(dlgInfo.className))
140	{
141	classAtom = (ATOM)LOWORD(dlgInfo.className);
142	}
143	else
144	if (!(classAtom = GlobalFindAtomW((LPWSTR)dlgInfo.className)))
145	{
146	SetLastError(ERROR_INVALID_PARAMETER);
147	return;
148	}
149	CREATESTRUCTA cs;
150	cs.lpCreateParams = NULL;
151	cs.hInstance = hInst;
152	cs.hMenu = hMenu;
153	cs.hwndParent = owner;
154	cs.x = rect.left;
155	cs.y = rect.top;
156	cs.cx = rect.right;
157	cs.cy = rect.bottom;
158	cs.style = dlgInfo.style & ~WS_VISIBLE;
159	if(!isUnicode) {
160	if(dlgInfo.caption) {
161	cs.lpszName = UnicodeToAsciiString((LPWSTR)dlgInfo.caption);
162	}
163	else cs.lpszName = 0;
164	if(HIWORD(cs.lpszClass)) {
165	cs.lpszClass = UnicodeToAsciiString((LPWSTR)dlgInfo.className);
166	}
167	else cs.lpszClass = dlgInfo.className;
168	}
169	else {
170	cs.lpszName = dlgInfo.caption;
171	cs.lpszClass = dlgInfo.className;
172	}
173	cs.dwExStyle = dlgInfo.exStyle;
174
175	fIsDialog = TRUE;
176	Win32DlgProc = dlgProc;
177
178	this->tmpParam = param;
179	this->tmpDlgTemplate = (LPSTR)dlgTemplate;
180
181	if (CreateWindowExA(&cs, classAtom) == FALSE)
182	{
183	if (hUserFont) DeleteObject( hUserFont );
184	if (hMenu) DestroyMenu( hMenu );
185	SetLastError(ERROR_OUTOFMEMORY); //TODO: Wrong error
186	return;
187	}
188	SetLastError(0);
189	return;
190	}
191	//******************************************************************************
192	//******************************************************************************
193	Win32Dialog::~Win32Dialog()
194	{
195	if (hUserFont) DeleteObject( hUserFont );
196	if (hMenu) DestroyMenu( hMenu );
197	}
198	//******************************************************************************
199	//******************************************************************************
200	ULONG Win32Dialog::MsgCreate(HWND hwndFrame, HWND hwndClient)
201	{
202	CREATESTRUCTA *cs = tmpcs; //pointer to CREATESTRUCT used in CreateWindowExA method
203	LPARAM param = tmpParam;
204	LPSTR dlgTemplate = tmpDlgTemplate;
205
206	Win32BaseWindow::MsgCreate(hwndFrame, hwndClient);
207
208	if(!isUnicode) {
209	if(cs->lpszName) FreeAsciiString((LPSTR)cs->lpszName);
210	if(HIWORD(cs->lpszClass)) {
211	FreeAsciiString((LPSTR)cs->lpszClass);
212	}
213	}
214
215	if (hUserFont)
216	SendMessageA(WM_SETFONT, (WPARAM)hUserFont, 0 );
217
218	/* Create controls */
219	if (createControls(dlgTemplate, hInstance))
220	{
221	dprintf(("******* DIALOG CONTROLS CREATED **********"));
222	/* Send initialisation messages and set focus */
223	hwndFocus = GetNextDlgTabItem( getWindowHandle(), 0, FALSE );
224
225	if (SendMessageA(WM_INITDIALOG, (WPARAM)hwndFocus, param))
226	SetFocus(hwndFocus);
227
228	if (dlgInfo.style & WS_VISIBLE && !(getStyle() & WS_VISIBLE))
229	{
230	ShowWindow( SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
231	::UpdateWindow( getWindowHandle() );
232	}
233	SetLastError(0);
234	dprintf(("******* DIALOG CREATED **********"));
235	return TRUE;
236	}
237	dprintf(("******* DIALOG CREATION FAILED! **********"));
238	return FALSE;
239	}
240	//******************************************************************************
241	//******************************************************************************
242	BOOL Win32Dialog::MapDialogRect(LPRECT rect)
243	{
244	rect->left = (rect->left * xUnit) / 4;
245	rect->right = (rect->right * xUnit) / 4;
246	rect->top = (rect->top * yUnit) / 8;
247	rect->bottom = (rect->bottom * yUnit) / 8;
248	return TRUE;
249	}
250	/***********************************************************************
251	* DIALOG_DoDialogBox
252	*/
253	INT Win32Dialog::doDialogBox()
254	{
255	Win32BaseWindow *topOwner;
256	MSG msg;
257	INT retval;
258
259	/* Owner must be a top-level window */
260	if(getOwner() == NULL) {
261	topOwner = windowDesktop;
262	}
263	else topOwner = getOwner()->GetTopParent();
264
265	if(topOwner == NULL) {
266	dprintf(("Dialog box has no top owner!!!"));
267	return -1;
268	}
269
270	if (!dialogFlags & DF_END) /* was EndDialog called in WM_INITDIALOG ? */
271	{
272	HWND hwndOldDialog;
273	BOOL bOldOwner;
274
275	fIsModalDialog = TRUE;
276	topOwner->EnableWindow(FALSE);
277
278	bOldOwner = topOwner->IsModalDialogOwner();
279	topOwner->setModalDialogOwner(TRUE);
280	hwndOldDialog = topOwner->getOS2HwndModalDialog();
281	topOwner->setOS2HwndModalDialog(OS2HwndFrame);
282	ShowWindow(SW_SHOW);
283
284	//CB: 100% CPU usage, need a better solution with OSLibWinGetMsg
285	// is WM_ENTERIDLE used and leaving away breaks an application?
286	// this style was useful for Win3.1 but today there are threads
287	// solution: send only few WM_ENTERIDLE messages
288
289	#if 1
290	while (TRUE)
291	{
292	if (!OSLibWinPeekMsg(&msg,0,0,0,MSG_NOREMOVE))
293	{
294	if(!(getStyle() & DS_NOIDLEMSG))
295	topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
296	OSLibWinGetMsg(&msg,0,0,0);
297	} else OSLibWinPeekMsg(&msg,0,0,0,MSG_REMOVE);
298
299	if(msg.message == WM_QUIT)
300	{
301	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
302	break;
303	}
304	if (!IsDialogMessageA( getWindowHandle(), &msg))
305	{
306	TranslateMessage( &msg );
307	DispatchMessageA( &msg );
308	}
309	if (dialogFlags & DF_END) break;
310	}
311	#else
312	while (TRUE) {
313	// while (OSLibWinPeekMsg(&msg, getWindowHandle(), owner, MSGF_DIALOGBOX,
314	// MSG_REMOVE, !(getStyle() & DS_NOIDLEMSG), NULL ))
315	// if(OSLibWinPeekMsg(&msg, topOwner->getOS2FrameWindowHandle(), 0, 0, MSG_REMOVE))
316	if(OSLibWinPeekMsg(&msg, 0, 0, 0, MSG_REMOVE))
317	{
318	if(msg.message == WM_QUIT) {
319	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
320	break;
321	}
322	if (!IsDialogMessageA( getWindowHandle(), &msg))
323	{
324	TranslateMessage( &msg );
325	DispatchMessageA( &msg );
326	}
327	if (dialogFlags & DF_END) break;
328	}
329	else {
330	if(!(getStyle() & DS_NOIDLEMSG)) {
331	topOwner->SendMessageA(WM_ENTERIDLE, MSGF_DIALOGBOX, getWindowHandle());
332	}
333	}
334	}
335	#endif
336	topOwner->setModalDialogOwner(bOldOwner);
337	topOwner->setOS2HwndModalDialog(hwndOldDialog);
338	if (!bOldOwner) topOwner->EnableWindow(TRUE);
339	}
340	retval = idResult;
341	DestroyWindow();
342	return retval;
343	}
344	/***********************************************************************
345	* DIALOG_Init
346	*
347	* Initialisation of the dialog manager.
348	*/
349	BOOL Win32Dialog::DIALOG_Init(void)
350	{
351	HDC hdc;
352	SIZE size;
353
354	/* Calculate the dialog base units */
355	if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
356	if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
357	DeleteDC( hdc );
358	xBaseUnit = size.cx;
359	yBaseUnit = size.cy;
360
361	return TRUE;
362	}
363	/***********************************************************************
364	* DIALOG_GetCharSizeFromDC
365	*
366	*
367	* Calculates the true average size of English characters in the
368	* specified font as oppposed to the one returned by GetTextMetrics.
369	*/
370	BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
371	{
372	BOOL Success = FALSE;
373	HFONT hUserFontPrev = 0;
374	pSize->cx = xBaseUnit;
375	pSize->cy = yBaseUnit;
376
377	if ( hDC )
378	{
379	/* select the font */
380	TEXTMETRICA tm;
381	memset(&tm,0,sizeof(tm));
382	if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
383	if (GetTextMetricsA(hDC,&tm))
384	{
385	pSize->cx = tm.tmAveCharWidth;
386	pSize->cy = tm.tmHeight;
387
388	/* if variable width font */
389	if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
390	{
391	SIZE total;
392	static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
393
394	/* Calculate a true average as opposed to the one returned
395	* by tmAveCharWidth. This works better when dealing with
396	* proportional spaced fonts and (more important) that's
397	* how Microsoft's dialog creation code calculates the size
398	* of the font
399	*/
400	if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
401	{
402	/* round up */
403	pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
404	Success = TRUE;
405	}
406	}
407	else
408	{
409	Success = TRUE;
410	}
411	}
412
413	/* select the original font */
414	if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
415	}
416	return (Success);
417	}
418	/***********************************************************************
419	* DIALOG_GetCharSize
420	*
421	*
422	* Calculates the true average size of English characters in the
423	* specified font as oppposed to the one returned by GetTextMetrics.
424	* A convenient variant of DIALOG_GetCharSizeFromDC.
425	*/
426	BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
427	{
428	HDC hDC = GetDC(0);
429	BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
430	ReleaseDC(0, hDC);
431	return Success;
432	}
433	/***********************************************************************
434	* DIALOG_ParseTemplate32
435	*
436	* Fill a DLG_TEMPLATE structure from the dialog template, and return
437	* a pointer to the first control.
438	*/
439	LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
440	{
441	const WORD p = (const WORD )dlgtemplate;
442
443	result->style = GET_DWORD(p); p += 2;
444	if (result->style == 0xffff0001) /* DIALOGEX resource */
445	{
446	result->dialogEx = TRUE;
447	result->helpId = GET_DWORD(p); p += 2;
448	result->exStyle = GET_DWORD(p); p += 2;
449	result->style = GET_DWORD(p); p += 2;
450	}
451	else
452	{
453	result->dialogEx = FALSE;
454	result->helpId = 0;
455	result->exStyle = GET_DWORD(p); p += 2;
456	}
457	result->nbItems = GET_WORD(p); p++;
458	result->x = GET_WORD(p); p++;
459	result->y = GET_WORD(p); p++;
460	result->cx = GET_WORD(p); p++;
461	result->cy = GET_WORD(p); p++;
462
463	/* Get the menu name */
464
465	switch(GET_WORD(p))
466	{
467	case 0x0000:
468	result->menuName = NULL;
469	p++;
470	break;
471	case 0xffff:
472	result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
473	p += 2;
474	break;
475	default:
476	result->menuName = (LPCSTR)p;
477	p += lstrlenW( (LPCWSTR)p ) + 1;
478	break;
479	}
480
481	/* Get the class name */
482	switch(GET_WORD(p))
483	{
484	case 0x0000:
485	result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
486	p++;
487	break;
488	case 0xffff:
489	result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
490	p += 2;
491	break;
492	default:
493	result->className = (LPCSTR)p;
494	p += lstrlenW( (LPCWSTR)p ) + 1;
495	break;
496	}
497
498	/* Get the window caption */
499
500	result->caption = (LPCSTR)p;
501	p += lstrlenW( (LPCWSTR)p ) + 1;
502
503	/* Get the font name */
504
505	if (result->style & DS_SETFONT)
506	{
507	result->pointSize = GET_WORD(p);
508	p++;
509	if (result->dialogEx)
510	{
511	result->weight = GET_WORD(p); p++;
512	result->italic = LOBYTE(GET_WORD(p)); p++;
513	}
514	else
515	{
516	result->weight = FW_DONTCARE;
517	result->italic = FALSE;
518	}
519	result->faceName = (LPCSTR)p;
520	p += lstrlenW( (LPCWSTR)p ) + 1;
521	}
522
523	/* First control is on dword boundary */
524	return (LPCSTR)((((int)p) + 3) & ~3);
525	}
526	/***********************************************************************
527	* DIALOG_GetControl32
528	*
529	* Return the class and text of the control pointed to by ptr,
530	* fill the header structure and return a pointer to the next control.
531	*/
532	WORD Win32Dialog::getControl(const WORD p, DLG_CONTROL_INFO *info, BOOL dialogEx)
533	{
534	if (dialogEx)
535	{
536	info->helpId = GET_DWORD(p); p += 2;
537	info->exStyle = GET_DWORD(p); p += 2;
538	info->style = GET_DWORD(p); p += 2;
539	}
540	else
541	{
542	info->helpId = 0;
543	info->style = GET_DWORD(p); p += 2;
544	info->exStyle = GET_DWORD(p); p += 2;
545	}
546	info->x = GET_WORD(p); p++;
547	info->y = GET_WORD(p); p++;
548	info->cx = GET_WORD(p); p++;
549	info->cy = GET_WORD(p); p++;
550
551	if (dialogEx)
552	{
553	/* id is a DWORD for DIALOGEX */
554	info->id = GET_DWORD(p);
555	p += 2;
556	}
557	else
558	{
559	info->id = GET_WORD(p);
560	p++;
561	}
562
563	if (GET_WORD(p) == 0xffff)
564	{
565	static const WCHAR class_names[6][10] =
566	{
567	{ 'B','u','t','t','o','n', }, /* 0x80 */
568	{ 'E','d','i','t', }, /* 0x81 */
569	{ 'S','t','a','t','i','c', }, /* 0x82 */
570	{ 'L','i','s','t','B','o','x', }, /* 0x83 */
571	{ 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
572	{ 'C','o','m','b','o','B','o','x', } /* 0x85 */
573	};
574	WORD id = GET_WORD(p+1);
575	if ((id >= 0x80) && (id <= 0x85))
576	info->className = (LPCSTR)class_names[id - 0x80];
577	else
578	{
579	info->className = NULL;
580	dprintf(("Unknown built-in class id %04x\n", id ));
581	}
582	p += 2;
583	}
584	else
585	{
586	info->className = (LPCSTR)p;
587	p += lstrlenW( (LPCWSTR)p ) + 1;
588	}
589
590	if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
591	{
592	info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
593	p += 2;
594	}
595	else
596	{
597	info->windowName = (LPCSTR)p;
598	p += lstrlenW( (LPCWSTR)p ) + 1;
599	}
600
601	if (GET_WORD(p))
602	{
603	info->data = (LPVOID)(p + 1);
604	p += GET_WORD(p) / sizeof(WORD);
605	}
606	else info->data = NULL;
607	p++;
608
609	/* Next control is on dword boundary */
610	return (WORD *)((((int)p) + 3) & ~3);
611	}
612
613
614	/***********************************************************************
615	* DIALOG_CreateControls
616	*
617	* Create the control windows for a dialog.
618	*/
619	BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
620	{
621	DLG_CONTROL_INFO info;
622	HWND hwndCtrl, hwndDefButton = 0;
623	INT items = dlgInfo.nbItems;
624
625	while (items--)
626	{
627	dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
628
629	dprintf(("Create CONTROL %d", info.id));
630	char *classNameA = NULL;
631	char *windowNameA = NULL;
632
633	if(HIWORD(info.className)) {
634	classNameA = UnicodeToAsciiString((LPWSTR)info.className);
635	}
636	else classNameA = (char *)info.className;
637
638	if(HIWORD(info.windowName)) {
639	windowNameA = UnicodeToAsciiString((LPWSTR)info.windowName);
640	}
641	hwndCtrl = ::CreateWindowExA( info.exStyle \| WS_EX_NOPARENTNOTIFY,
642	classNameA,
643	windowNameA,
644	info.style \| WS_CHILD \| WS_CLIPSIBLINGS,
645	info.x * xUnit / 4,
646	info.y * yUnit / 8,
647	info.cx * xUnit / 4,
648	info.cy * yUnit / 8,
649	getWindowHandle(), (HMENU)info.id,
650	hInst, info.data );
651	if(HIWORD(classNameA)) {
652	FreeAsciiString(classNameA);
653	}
654	if(windowNameA) {
655	FreeAsciiString(windowNameA);
656	}
657
658	if (!hwndCtrl) return FALSE;
659
660	/* Send initialisation messages to the control */
661	if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
662
663	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
664	{
665	/* If there's already a default push-button, set it back */
666	/* to normal and use this one instead. */
667	if (hwndDefButton)
668	::SendMessageA( hwndDefButton, BM_SETSTYLE,
669	BS_PUSHBUTTON,FALSE );
670	hwndDefButton = hwndCtrl;
671	idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
672	}
673	dprintf(("Create CONTROL %d DONE", info.id));
674	}
675	return TRUE;
676	}
677	/***********************************************************************
678	* DEFDLG_Proc
679	*
680	* Implementation of DefDlgProc(). Only handle messages that need special
681	* handling for dialogs.
682	*/
683	LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
684	{
685	switch(msg)
686	{
687	case WM_ERASEBKGND:
688	{
689	RECT rect;
690	int rc;
691	/* Since WM_ERASEBKGND may receive either a window dc or a */
692	/* client dc, the area to be erased has to be retrieved from */
693	/* the device context. */
694	rc = GetClipBox( (HDC)wParam, &rect );
695	if ((rc == SIMPLEREGION) \|\| (rc == COMPLEXREGION))
696	FillRect( (HDC)wParam, &rect, windowClass->getBackgroundBrush());
697	return 1;
698	}
699	case WM_NCDESTROY:
700	/* Free dialog heap (if created) */
701	#if 0
702	if (dlgInfo->hDialogHeap)
703	{
704	GlobalUnlock16(dlgInfo->hDialogHeap);
705	GlobalFree16(dlgInfo->hDialogHeap);
706	dlgInfo->hDialogHeap = 0;
707	}
708	#endif
709	/* Delete font */
710	if (hUserFont)
711	{
712	DeleteObject( hUserFont );
713	hUserFont = 0;
714	}
715
716	/* Delete menu */
717	if (hMenu)
718	{
719	DestroyMenu( hMenu );
720	hMenu = 0;
721	}
722
723	/* Delete window procedure */
724	Win32DlgProc = 0;
725	dialogFlags \|= DF_END; /* just in case */
726
727	/* Window clean-up */
728	return DefWindowProcA(msg, wParam, lParam );
729
730	case WM_SHOWWINDOW:
731	if (!wParam) saveFocus();
732	return DefWindowProcA(msg, wParam, lParam );
733
734	case WM_ACTIVATE:
735	if (wParam) {
736	restoreFocus();
737	}
738	else saveFocus();
739	return 0;
740
741	case WM_SETFOCUS:
742	restoreFocus();
743	return 0;
744
745	case DM_SETDEFID:
746	if (dialogFlags & DF_END)
747	return 1;
748
749	setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
750	return 1;
751
752	case DM_GETDEFID:
753	{
754	HWND hwndDefId;
755	if (dialogFlags & DF_END) return 0;
756	if (idResult)
757	return MAKELONG( idResult, DC_HASDEFID );
758	if ((hwndDefId = findDefButton()) != 0)
759	return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
760
761	return 0;
762	}
763
764	case WM_NEXTDLGCTL:
765	{
766	HWND hwndDest = (HWND)wParam;
767	if (!lParam)
768	hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
769	if (hwndDest) setFocus( hwndDest );
770	setDefButton( hwndDest );
771	return 0;
772	}
773
774	case WM_ENTERMENULOOP:
775	case WM_LBUTTONDOWN:
776	case WM_NCLBUTTONDOWN:
777	{
778	HWND hwndCurFocus = GetFocus();
779	if (hwndCurFocus)
780	{
781	Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
782
783	if(wndFocus)
784	{
785	/* always make combo box hide its listbox control */
786	if( WIDGETS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
787	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
788	else
789	if( WIDGETS_IsControl( wndFocus, EDIT_CONTROL ) &&
790	WIDGETS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
791	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
792	}
793	}
794	return DefWindowProcA( msg, wParam, lParam );
795	}
796
797	case WM_GETFONT:
798	return hUserFont;
799
800	case WM_CLOSE:
801	PostMessageA(WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
802	return 0;
803
804	case WM_NOTIFYFORMAT:
805	return DefWindowProcA(msg, wParam, lParam );
806	}
807	return 0;
808	}
809	//******************************************************************************
810	//******************************************************************************
811	LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
812	{
813	BOOL result = FALSE;
814
815	msgResult = 0;
816
817	if (Win32DlgProc) { /* Call dialog procedure */
818	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
819	}
820
821	if (!result && IsWindow())
822	{
823	/* callback didn't process this message */
824	switch(Msg)
825	{
826	case WM_ERASEBKGND:
827	case WM_SHOWWINDOW:
828	case WM_ACTIVATE:
829	case WM_SETFOCUS:
830	case DM_SETDEFID:
831	case DM_GETDEFID:
832	case WM_NEXTDLGCTL:
833	case WM_GETFONT:
834	case WM_CLOSE:
835	case WM_NCDESTROY:
836	case WM_ENTERMENULOOP:
837	case WM_LBUTTONDOWN:
838	case WM_NCLBUTTONDOWN:
839	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
840
841	case WM_INITDIALOG:
842	case WM_VKEYTOITEM:
843	case WM_COMPAREITEM:
844	case WM_CHARTOITEM:
845	break;
846
847	default:
848	return DefWindowProcA(Msg, wParam, lParam );
849	}
850	}
851	return DefDlg_Epilog(Msg, result);
852	}
853	//******************************************************************************
854	//******************************************************************************
855	LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
856	{
857	BOOL result = FALSE;
858
859	msgResult = 0;
860
861	if (Win32DlgProc) { /* Call dialog procedure */
862	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
863	}
864
865	if (!result && IsWindow())
866	{
867	/* callback didn't process this message */
868	switch(Msg)
869	{
870	case WM_ERASEBKGND:
871	case WM_SHOWWINDOW:
872	case WM_ACTIVATE:
873	case WM_SETFOCUS:
874	case DM_SETDEFID:
875	case DM_GETDEFID:
876	case WM_NEXTDLGCTL:
877	case WM_GETFONT:
878	case WM_CLOSE:
879	case WM_NCDESTROY:
880	case WM_ENTERMENULOOP:
881	case WM_LBUTTONDOWN:
882	case WM_NCLBUTTONDOWN:
883	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
884
885	case WM_INITDIALOG:
886	case WM_VKEYTOITEM:
887	case WM_COMPAREITEM:
888	case WM_CHARTOITEM:
889	break;
890
891	default:
892	return DefWindowProcW(Msg, wParam, lParam );
893	}
894	}
895	return DefDlg_Epilog(Msg, result);
896	}
897	/***********************************************************************
898	* DEFDLG_Epilog
899	*/
900	LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
901	{
902	/* see SDK 3.1 */
903	if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) \|\|
904	msg == WM_CTLCOLOR \|\| msg == WM_COMPAREITEM \|\|
905	msg == WM_VKEYTOITEM \|\| msg == WM_CHARTOITEM \|\|
906	msg == WM_QUERYDRAGICON \|\| msg == WM_INITDIALOG)
907	return fResult;
908
909	return msgResult;
910	}
911	/***********************************************************************
912	* DEFDLG_SetFocus
913	*
914	* Set the focus to a control of the dialog, selecting the text if
915	* the control is an edit dialog.
916	*/
917	void Win32Dialog::setFocus(HWND hwndCtrl )
918	{
919	HWND hwndPrev = GetFocus();
920
921	if (IsChild( hwndPrev ))
922	{
923	if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
924	::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
925	}
926	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
927	::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
928	SetFocus( hwndCtrl );
929	}
930
931
932	/***********************************************************************
933	* DEFDLG_SaveFocus
934	*/
935	BOOL Win32Dialog::saveFocus()
936	{
937	HWND hwndCurrentFocus = GetFocus();
938
939	if (!hwndCurrentFocus \|\| !IsChild( hwndCurrentFocus )) return FALSE;
940
941	hwndFocus = hwndCurrentFocus;
942	/* Remove default button */
943	return TRUE;
944	}
945
946
947	/***********************************************************************
948	* DEFDLG_RestoreFocus
949	*/
950	BOOL Win32Dialog::restoreFocus()
951	{
952	if (!hwndFocus \|\| IsIconic()) return FALSE;
953
954	if (!::IsWindow( hwndFocus )) return FALSE;
955
956	/* Don't set the focus back to controls if EndDialog is already called.*/
957	if (!(dialogFlags & DF_END))
958	setFocus(hwndFocus);
959
960	/* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
961	sometimes losing focus when receiving WM_SETFOCUS messages. */
962	return TRUE;
963	}
964
965
966	/***********************************************************************
967	* DEFDLG_FindDefButton
968	*
969	* Find the current default push-button.
970	*/
971	HWND Win32Dialog::findDefButton()
972	{
973	HWND hwndChild = GetWindow( GW_CHILD );
974	while (hwndChild)
975	{
976	if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
977	break;
978	hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
979	}
980	return hwndChild;
981	}
982
983
984	/***********************************************************************
985	* DEFDLG_SetDefButton
986	*
987	* Set the new default button to be hwndNew.
988	*/
989	BOOL Win32Dialog::setDefButton(HWND hwndNew )
990	{
991	if (hwndNew &&
992	!(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
993	return FALSE; /* Destination is not a push button */
994
995	if (idResult) /* There's already a default pushbutton */
996	{
997	HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
998	if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
999	::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1000	}
1001	if (hwndNew)
1002	{
1003	::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1004	idResult = GetDlgCtrlID( hwndNew );
1005	}
1006	else idResult = 0;
1007	return TRUE;
1008	}
1009	//******************************************************************************
1010	//******************************************************************************
1011	BOOL Win32Dialog::endDialog(int retval)
1012	{
1013	dialogFlags \|= DF_END;
1014	idResult = retval;
1015	return TRUE;
1016	}
1017	//******************************************************************************
1018	//******************************************************************************
1019	LONG Win32Dialog::SetWindowLongA(int index, ULONG value)
1020	{
1021	LONG oldval;
1022
1023	dprintf2(("Win32Dialog::SetWindowLongA %x %d %x", getWindowHandle(), index, value));
1024	switch(index)
1025	{
1026	case DWL_DLGPROC:
1027	oldval = (LONG)Win32DlgProc;
1028	Win32DlgProc = (DLGPROC)value;
1029	return oldval;
1030	case DWL_MSGRESULT:
1031	oldval = msgResult;
1032	msgResult = value;
1033	return oldval;
1034	case DWL_USER:
1035	oldval = userDlgData;
1036	userDlgData = value;
1037	return oldval;
1038	default:
1039	return Win32BaseWindow::SetWindowLongA(index, value);
1040	}
1041	}
1042	//******************************************************************************
1043	//******************************************************************************
1044	ULONG Win32Dialog::GetWindowLongA(int index)
1045	{
1046	dprintf2(("Win32Dialog::GetWindowLongA %x %d", getWindowHandle(), index));
1047	switch(index)
1048	{
1049	case DWL_DLGPROC:
1050	return (ULONG)Win32DlgProc;
1051	case DWL_MSGRESULT:
1052	return msgResult;
1053	case DWL_USER:
1054	return userDlgData;
1055	default:
1056	return Win32BaseWindow::GetWindowLongA(index);
1057	}
1058	}
1059	//******************************************************************************
1060	//******************************************************************************
1061	BOOL DIALOG_Register()
1062	{
1063	WNDCLASSA wndClass;
1064
1065	ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1066	wndClass.style = CS_GLOBALCLASS \| CS_SAVEBITS;
1067	wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1068	wndClass.cbClsExtra = 0;
1069	wndClass.cbWndExtra = 0;
1070	wndClass.hCursor = (HCURSOR)IDC_ARROWA;
1071	wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1072	wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1073
1074	return RegisterClassA(&wndClass);
1075	}
1076	//******************************************************************************
1077	//******************************************************************************
1078	BOOL DIALOG_Unregister()
1079	{
1080	if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1081	return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1082	else return FALSE;
1083	}
1084	//******************************************************************************
1085	//******************************************************************************
1086	BOOL Win32Dialog::fInitialized = FALSE;
1087	int Win32Dialog::xBaseUnit = 10;
1088	int Win32Dialog::yBaseUnit = 20;

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