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source: trunk/src/user32/win32dlg.cpp@ 1526

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Last change on this file since 1526 was 1526, checked in by sandervl, 26 years ago
Window size + paint fix + dialog fixes
File size: 32.7 KB

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1	/* $Id: win32dlg.cpp,v 1.26 1999-10-31 01:14:42 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 "win32wdesktop.h"
22	#include "controls.h"
23
24	#define DEFAULT_DLGFONT "9.WarpSans"
25
26	//******************************************************************************
27	//******************************************************************************
28	Win32Dialog::Win32Dialog(HINSTANCE hInst, LPCSTR dlgTemplate, HWND owner,
29	DLGPROC dlgProc, LPARAM param, BOOL isUnicode)
30	: Win32BaseWindow(OBJTYPE_DIALOG)
31	{
32	RECT rect;
33	WORD style;
34	ATOM classAtom;
35
36	this->isUnicode = isUnicode;
37	hUserFont = 0;
38	hMenu = 0;
39	hwndFocus = 0;
40	Win32DlgProc = 0;
41	msgResult = 0;
42	userDlgData = 0;
43	idResult = 0;
44	dialogFlags = 0;
45	memset(&dlgInfo, 0, sizeof(dlgInfo));
46
47	dprintf(("******* CREATE DIALOG **********"));
48	if(fInitialized == FALSE) {
49	if(DIALOG_Init() == FALSE) {
50	dprintf(("DIALOG_Init FAILED!"));
51	DebugInt3();
52	SetLastError(ERROR_GEN_FAILURE);
53	return;
54	}
55	fInitialized = TRUE;
56	}
57	xUnit = xBaseUnit;
58	yUnit = yBaseUnit;
59
60	/* Parse dialog template */
61	dlgTemplate = parseTemplate(dlgTemplate, &dlgInfo);
62
63	/* Load menu */
64	if (dlgInfo.menuName)
65	{
66	hMenu = LoadMenuW( hInst, (LPCWSTR)dlgInfo.menuName );
67	}
68
69	/* Create custom font if needed */
70	if (dlgInfo.style & DS_SETFONT)
71	{
72	/* The font height must be negative as it is a point size */
73	/* (see CreateFont() documentation in the Windows SDK). */
74	hUserFont = CreateFontW(-(dlgInfo.pointSize*3)/2, 0, 0, 0,
75	dlgInfo.weight, dlgInfo.italic, FALSE,
76	FALSE, DEFAULT_CHARSET, 0, 0, PROOF_QUALITY,
77	FF_DONTCARE, (LPCWSTR)dlgInfo.faceName );
78	if (hUserFont)
79	{
80	SIZE charSize;
81	getCharSize(hUserFont,&charSize);
82	xUnit = charSize.cx;
83	yUnit = charSize.cy;
84	}
85	}
86
87	/* Create dialog main window */
88	rect.left = rect.top = 0;
89	rect.right = dlgInfo.cx * xUnit / 4;
90	rect.bottom = dlgInfo.cy * yUnit / 8;
91	if (dlgInfo.style & DS_MODALFRAME)
92	dlgInfo.exStyle \|= WS_EX_DLGMODALFRAME;
93
94	AdjustWindowRectEx( &rect, dlgInfo.style, hMenu ? TRUE : FALSE , dlgInfo.exStyle );
95	rect.right -= rect.left;
96	rect.bottom -= rect.top;
97
98	if ((INT16)dlgInfo.x == CW_USEDEFAULT16)
99	{
100	rect.left = rect.top = CW_USEDEFAULT;
101	}
102	else
103	{
104	if (dlgInfo.style & DS_CENTER)
105	{
106	rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
107	rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
108	}
109	else
110	{
111	rect.left += dlgInfo.x * xUnit / 4;
112	rect.top += dlgInfo.y * yUnit / 8;
113	}
114	if ( !(dlgInfo.style & WS_CHILD) )
115	{
116	INT dX, dY;
117
118	if( !(dlgInfo.style & DS_ABSALIGN) )
119	ClientToScreen(owner, (POINT *)&rect );
120
121	/* try to fit it into the desktop */
122
123	if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
124	- GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
125	if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
126	- GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
127	if( rect.left < 0 ) rect.left = 0;
128	if( rect.top < 0 ) rect.top = 0;
129	}
130	}
131
132	/* Create the dialog window */
133
134	/* Find the class atom */
135	if (!HIWORD(dlgInfo.className))
136	{
137	classAtom = (ATOM)LOWORD(dlgInfo.className);
138	}
139	else
140	if (!(classAtom = GlobalFindAtomW((LPWSTR)dlgInfo.className)))
141	{
142	SetLastError(ERROR_INVALID_PARAMETER);
143	return;
144	}
145	CREATESTRUCTA cs;
146	cs.lpCreateParams = NULL;
147	cs.hInstance = hInst;
148	cs.hMenu = hMenu;
149	cs.hwndParent = owner;
150	cs.x = rect.left;
151	cs.y = rect.top;
152	cs.cx = rect.right;
153	cs.cy = rect.bottom;
154	cs.style = dlgInfo.style & ~WS_VISIBLE;
155	if(!isUnicode) {
156	if(dlgInfo.caption) {
157	cs.lpszName = UnicodeToAsciiString((LPWSTR)dlgInfo.caption);
158	}
159	else cs.lpszName = 0;
160	if(HIWORD(cs.lpszClass)) {
161	cs.lpszClass = UnicodeToAsciiString((LPWSTR)dlgInfo.className);
162	}
163	else cs.lpszClass = dlgInfo.className;
164	}
165	else {
166	cs.lpszName = dlgInfo.caption;
167	cs.lpszClass = dlgInfo.className;
168	}
169	cs.dwExStyle = dlgInfo.exStyle;
170
171	fIsDialog = TRUE;
172	Win32DlgProc = dlgProc;
173
174	this->tmpParam = param;
175	this->tmpDlgTemplate = (LPSTR)dlgTemplate;
176
177	if (CreateWindowExA(&cs, classAtom) == FALSE)
178	{
179	if (hUserFont) DeleteObject( hUserFont );
180	if (hMenu) DestroyMenu( hMenu );
181	SetLastError(ERROR_OUTOFMEMORY); //TODO: Wrong error
182	return;
183	}
184	SetLastError(0);
185	return;
186	}
187	//******************************************************************************
188	//******************************************************************************
189	Win32Dialog::~Win32Dialog()
190	{
191	if (hUserFont) DeleteObject( hUserFont );
192	if (hMenu) DestroyMenu( hMenu );
193	}
194	//******************************************************************************
195	//******************************************************************************
196	ULONG Win32Dialog::MsgCreate(HWND hwndFrame, HWND hwndClient)
197	{
198	CREATESTRUCTA *cs = tmpcs; //pointer to CREATESTRUCT used in CreateWindowExA method
199	LPARAM param = tmpParam;
200	LPSTR dlgTemplate = tmpDlgTemplate;
201
202	Win32BaseWindow::MsgCreate(hwndFrame, hwndClient);
203
204	if(!isUnicode) {
205	if(cs->lpszName) FreeAsciiString((LPSTR)cs->lpszName);
206	if(HIWORD(cs->lpszClass)) {
207	FreeAsciiString((LPSTR)cs->lpszClass);
208	}
209	}
210
211	//TODO:
212	// wndPtr->helpContext = helpId;
213
214	if (hUserFont)
215	SendMessageA(WM_SETFONT, (WPARAM)hUserFont, 0 );
216
217	/* Create controls */
218	if (createControls(dlgTemplate, hInstance))
219	{
220	dprintf(("******* DIALOG CONTROLS CREATED **********"));
221	/* Send initialisation messages and set focus */
222	hwndFocus = GetNextDlgTabItem( getWindowHandle(), 0, FALSE );
223
224	if (SendMessageA(WM_INITDIALOG, (WPARAM)hwndFocus, param))
225	SetFocus(hwndFocus);
226
227	if (dlgInfo.style & WS_VISIBLE && !(getStyle() & WS_VISIBLE))
228	{
229	ShowWindow( SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
230	::UpdateWindow( getWindowHandle() );
231	}
232	SetLastError(0);
233	dprintf(("******* DIALOG CREATED **********"));
234	return TRUE;
235	}
236	dprintf(("******* DIALOG CREATION FAILED! **********"));
237	return FALSE;
238	}
239	//******************************************************************************
240	//******************************************************************************
241	BOOL Win32Dialog::MapDialogRect(LPRECT rect)
242	{
243	rect->left = (rect->left * xUnit) / 4;
244	rect->right = (rect->right * xUnit) / 4;
245	rect->top = (rect->top * yUnit) / 8;
246	rect->bottom = (rect->bottom * yUnit) / 8;
247	return TRUE;
248	}
249	/***********************************************************************
250	* DIALOG_DoDialogBox
251	*/
252	INT Win32Dialog::doDialogBox()
253	{
254	Win32BaseWindow *topOwner;
255	MSG msg;
256	INT retval;
257
258	/* Owner must be a top-level window */
259	if(getOwner() == NULL) {
260	topOwner = windowDesktop;
261	}
262	else topOwner = getOwner()->getTopParent();
263
264	if(topOwner == NULL) {
265	dprintf(("Dialog box has no top owner!!!"));
266	return -1;
267	}
268
269	if (!dialogFlags & DF_END) /* was EndDialog called in WM_INITDIALOG ? */
270	{
271	topOwner->EnableWindow( FALSE );
272	ShowWindow( SW_SHOW );
273
274	//CB: 100% CPU usage, need a better solution with OSLibWinGetMsg
275	// is WM_ENTERIDLE used and leaving away breaks an application?
276	// this style was useful for Win3.1 but today there are threads
277	// solution: send only few WM_ENTERIDLE messages
278
279	#if 1
280	while (TRUE)
281	{
282	if (!OSLibWinPeekMsg(&msg,0,0,0,MSG_NOREMOVE))
283	{
284	if(!(getStyle() & DS_NOIDLEMSG))
285	topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
286	OSLibWinGetMsg(&msg,0,0,0);
287	} else OSLibWinPeekMsg(&msg,0,0,0,MSG_REMOVE);
288
289	if(msg.message == WM_QUIT)
290	{
291	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
292	break;
293	}
294	if (!IsDialogMessageA( getWindowHandle(), &msg))
295	{
296	TranslateMessage( &msg );
297	DispatchMessageA( &msg );
298	}
299	if (dialogFlags & DF_END) break;
300	}
301	#else
302	while (TRUE) {
303	// while (OSLibWinPeekMsg(&msg, getWindowHandle(), owner, MSGF_DIALOGBOX,
304	// MSG_REMOVE, !(getStyle() & DS_NOIDLEMSG), NULL ))
305	// if(OSLibWinPeekMsg(&msg, topOwner->getOS2FrameWindowHandle(), 0, 0, MSG_REMOVE))
306	if(OSLibWinPeekMsg(&msg, 0, 0, 0, MSG_REMOVE))
307	{
308	if(msg.message == WM_QUIT) {
309	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
310	break;
311	}
312	if (!IsDialogMessageA( getWindowHandle(), &msg))
313	{
314	TranslateMessage( &msg );
315	DispatchMessageA( &msg );
316	}
317	if (dialogFlags & DF_END) break;
318	}
319	else {
320	if(!(getStyle() & DS_NOIDLEMSG)) {
321	topOwner->SendMessageA(WM_ENTERIDLE, MSGF_DIALOGBOX, getWindowHandle());
322	}
323	}
324	}
325	#endif
326	topOwner->EnableWindow( TRUE );
327	}
328	retval = idResult;
329	DestroyWindow();
330	return retval;
331	}
332	/***********************************************************************
333	* DIALOG_Init
334	*
335	* Initialisation of the dialog manager.
336	*/
337	BOOL Win32Dialog::DIALOG_Init(void)
338	{
339	HDC hdc;
340	SIZE size;
341
342	/* Calculate the dialog base units */
343	if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
344	if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
345	DeleteDC( hdc );
346	xBaseUnit = size.cx;
347	yBaseUnit = size.cy;
348
349	return TRUE;
350	}
351	/***********************************************************************
352	* DIALOG_GetCharSizeFromDC
353	*
354	*
355	* Calculates the true average size of English characters in the
356	* specified font as oppposed to the one returned by GetTextMetrics.
357	*/
358	BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
359	{
360	BOOL Success = FALSE;
361	HFONT hUserFontPrev = 0;
362	pSize->cx = xBaseUnit;
363	pSize->cy = yBaseUnit;
364
365	if ( hDC )
366	{
367	/* select the font */
368	TEXTMETRICA tm;
369	memset(&tm,0,sizeof(tm));
370	if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
371	if (GetTextMetricsA(hDC,&tm))
372	{
373	pSize->cx = tm.tmAveCharWidth;
374	pSize->cy = tm.tmHeight;
375
376	/* if variable width font */
377	if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
378	{
379	SIZE total;
380	static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
381
382	/* Calculate a true average as opposed to the one returned
383	* by tmAveCharWidth. This works better when dealing with
384	* proportional spaced fonts and (more important) that's
385	* how Microsoft's dialog creation code calculates the size
386	* of the font
387	*/
388	if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
389	{
390	/* round up */
391	pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
392	Success = TRUE;
393	}
394	}
395	else
396	{
397	Success = TRUE;
398	}
399	}
400
401	/* select the original font */
402	if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
403	}
404	return (Success);
405	}
406	/***********************************************************************
407	* DIALOG_GetCharSize
408	*
409	*
410	* Calculates the true average size of English characters in the
411	* specified font as oppposed to the one returned by GetTextMetrics.
412	* A convenient variant of DIALOG_GetCharSizeFromDC.
413	*/
414	BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
415	{
416	HDC hDC = GetDC(0);
417	BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
418	ReleaseDC(0, hDC);
419	return Success;
420	}
421	/***********************************************************************
422	* DIALOG_ParseTemplate32
423	*
424	* Fill a DLG_TEMPLATE structure from the dialog template, and return
425	* a pointer to the first control.
426	*/
427	LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
428	{
429	const WORD p = (const WORD )dlgtemplate;
430
431	result->style = GET_DWORD(p); p += 2;
432	if (result->style == 0xffff0001) /* DIALOGEX resource */
433	{
434	result->dialogEx = TRUE;
435	result->helpId = GET_DWORD(p); p += 2;
436	result->exStyle = GET_DWORD(p); p += 2;
437	result->style = GET_DWORD(p); p += 2;
438	}
439	else
440	{
441	result->dialogEx = FALSE;
442	result->helpId = 0;
443	result->exStyle = GET_DWORD(p); p += 2;
444	}
445	result->nbItems = GET_WORD(p); p++;
446	result->x = GET_WORD(p); p++;
447	result->y = GET_WORD(p); p++;
448	result->cx = GET_WORD(p); p++;
449	result->cy = GET_WORD(p); p++;
450
451	/* Get the menu name */
452
453	switch(GET_WORD(p))
454	{
455	case 0x0000:
456	result->menuName = NULL;
457	p++;
458	break;
459	case 0xffff:
460	result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
461	p += 2;
462	break;
463	default:
464	result->menuName = (LPCSTR)p;
465	p += lstrlenW( (LPCWSTR)p ) + 1;
466	break;
467	}
468
469	/* Get the class name */
470	switch(GET_WORD(p))
471	{
472	case 0x0000:
473	result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
474	p++;
475	break;
476	case 0xffff:
477	result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
478	p += 2;
479	break;
480	default:
481	result->className = (LPCSTR)p;
482	p += lstrlenW( (LPCWSTR)p ) + 1;
483	break;
484	}
485
486	/* Get the window caption */
487
488	result->caption = (LPCSTR)p;
489	p += lstrlenW( (LPCWSTR)p ) + 1;
490
491	/* Get the font name */
492
493	if (result->style & DS_SETFONT)
494	{
495	result->pointSize = GET_WORD(p);
496	p++;
497	if (result->dialogEx)
498	{
499	result->weight = GET_WORD(p); p++;
500	result->italic = LOBYTE(GET_WORD(p)); p++;
501	}
502	else
503	{
504	result->weight = FW_DONTCARE;
505	result->italic = FALSE;
506	}
507	result->faceName = (LPCSTR)p;
508	p += lstrlenW( (LPCWSTR)p ) + 1;
509	}
510
511	/* First control is on dword boundary */
512	return (LPCSTR)((((int)p) + 3) & ~3);
513	}
514	/***********************************************************************
515	* DIALOG_GetControl32
516	*
517	* Return the class and text of the control pointed to by ptr,
518	* fill the header structure and return a pointer to the next control.
519	*/
520	WORD Win32Dialog::getControl(const WORD p, DLG_CONTROL_INFO *info, BOOL dialogEx)
521	{
522	if (dialogEx)
523	{
524	info->helpId = GET_DWORD(p); p += 2;
525	info->exStyle = GET_DWORD(p); p += 2;
526	info->style = GET_DWORD(p); p += 2;
527	}
528	else
529	{
530	info->helpId = 0;
531	info->style = GET_DWORD(p); p += 2;
532	info->exStyle = GET_DWORD(p); p += 2;
533	}
534	info->x = GET_WORD(p); p++;
535	info->y = GET_WORD(p); p++;
536	info->cx = GET_WORD(p); p++;
537	info->cy = GET_WORD(p); p++;
538
539	if (dialogEx)
540	{
541	/* id is a DWORD for DIALOGEX */
542	info->id = GET_DWORD(p);
543	p += 2;
544	}
545	else
546	{
547	info->id = GET_WORD(p);
548	p++;
549	}
550
551	if (GET_WORD(p) == 0xffff)
552	{
553	static const WCHAR class_names[6][10] =
554	{
555	{ 'B','u','t','t','o','n', }, /* 0x80 */
556	{ 'E','d','i','t', }, /* 0x81 */
557	{ 'S','t','a','t','i','c', }, /* 0x82 */
558	{ 'L','i','s','t','B','o','x', }, /* 0x83 */
559	{ 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
560	{ 'C','o','m','b','o','B','o','x', } /* 0x85 */
561	};
562	WORD id = GET_WORD(p+1);
563	if ((id >= 0x80) && (id <= 0x85))
564	info->className = (LPCSTR)class_names[id - 0x80];
565	else
566	{
567	info->className = NULL;
568	dprintf(("Unknown built-in class id %04x\n", id ));
569	}
570	p += 2;
571	}
572	else
573	{
574	info->className = (LPCSTR)p;
575	p += lstrlenW( (LPCWSTR)p ) + 1;
576	}
577
578	if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
579	{
580	info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
581	p += 2;
582	}
583	else
584	{
585	info->windowName = (LPCSTR)p;
586	p += lstrlenW( (LPCWSTR)p ) + 1;
587	}
588
589	if (GET_WORD(p))
590	{
591	info->data = (LPVOID)(p + 1);
592	p += GET_WORD(p) / sizeof(WORD);
593	}
594	else info->data = NULL;
595	p++;
596
597	/* Next control is on dword boundary */
598	return (WORD *)((((int)p) + 3) & ~3);
599	}
600
601
602	/***********************************************************************
603	* DIALOG_CreateControls
604	*
605	* Create the control windows for a dialog.
606	*/
607	BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
608	{
609	DLG_CONTROL_INFO info;
610	HWND hwndCtrl, hwndDefButton = 0;
611	INT items = dlgInfo.nbItems;
612
613	while (items--)
614	{
615	dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
616
617	dprintf(("Create CONTROL %d", info.id));
618	#if 0
619	if(isUnicode) {
620	hwndCtrl = ::CreateWindowExW( info.exStyle \| WS_EX_NOPARENTNOTIFY,
621	(LPCWSTR)info.className,
622	(LPCWSTR)info.windowName,
623	info.style \| WS_CHILD,
624	info.x * xUnit / 4,
625	info.y * yUnit / 8,
626	info.cx * xUnit / 4,
627	info.cy * yUnit / 8,
628	getWindowHandle(), (HMENU)info.id,
629	hInst, info.data );
630	}
631	else {
632	#endif
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	hwndCtrl = ::CreateWindowExA( info.exStyle \| WS_EX_NOPARENTNOTIFY,
645	classNameA,
646	windowNameA,
647	info.style \| WS_CHILD,
648	info.x * xUnit / 4,
649	info.y * yUnit / 8,
650	info.cx * xUnit / 4,
651	info.cy * yUnit / 8,
652	getWindowHandle(), (HMENU)info.id,
653	hInst, info.data );
654	if(HIWORD(classNameA)) {
655	FreeAsciiString(classNameA);
656	}
657	if(windowNameA) {
658	FreeAsciiString(windowNameA);
659	}
660	// }
661
662	if (!hwndCtrl) return FALSE;
663
664	/* Send initialisation messages to the control */
665	if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
666
667	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
668	{
669	/* If there's already a default push-button, set it back */
670	/* to normal and use this one instead. */
671	if (hwndDefButton)
672	::SendMessageA( hwndDefButton, BM_SETSTYLE,
673	BS_PUSHBUTTON,FALSE );
674	hwndDefButton = hwndCtrl;
675	idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
676	}
677	dprintf(("Create CONTROL %d DONE", info.id));
678	}
679	return TRUE;
680	}
681	/***********************************************************************
682	* DEFDLG_Proc
683	*
684	* Implementation of DefDlgProc(). Only handle messages that need special
685	* handling for dialogs.
686	*/
687	LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
688	{
689	switch(msg)
690	{
691	case WM_ERASEBKGND:
692	{
693	RECT rect;
694	int rc;
695	/* Since WM_ERASEBKGND may receive either a window dc or a */
696	/* client dc, the area to be erased has to be retrieved from */
697	/* the device context. */
698	rc = GetClipBox( (HDC)wParam, &rect );
699	if ((rc == SIMPLEREGION) \|\| (rc == COMPLEXREGION))
700	FillRect( (HDC)wParam, &rect, windowClass->getBackgroundBrush());
701	return 1;
702	}
703	case WM_NCDESTROY:
704	/* Free dialog heap (if created) */
705	#if 0
706	if (dlgInfo->hDialogHeap)
707	{
708	GlobalUnlock16(dlgInfo->hDialogHeap);
709	GlobalFree16(dlgInfo->hDialogHeap);
710	dlgInfo->hDialogHeap = 0;
711	}
712	#endif
713	/* Delete font */
714	if (hUserFont)
715	{
716	DeleteObject( hUserFont );
717	hUserFont = 0;
718	}
719
720	/* Delete menu */
721	if (hMenu)
722	{
723	DestroyMenu( hMenu );
724	hMenu = 0;
725	}
726
727	/* Delete window procedure */
728	Win32DlgProc = 0;
729	dialogFlags \|= DF_END; /* just in case */
730
731	/* Window clean-up */
732	return DefWindowProcA(msg, wParam, lParam );
733
734	case WM_SHOWWINDOW:
735	if (!wParam) saveFocus();
736	return DefWindowProcA(msg, wParam, lParam );
737
738	case WM_ACTIVATE:
739	if (wParam) {
740	restoreFocus();
741	}
742	else saveFocus();
743	return 0;
744
745	case WM_SETFOCUS:
746	restoreFocus();
747	return 0;
748
749	case DM_SETDEFID:
750	if (dialogFlags & DF_END)
751	return 1;
752
753	setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
754	return 1;
755
756	case DM_GETDEFID:
757	{
758	HWND hwndDefId;
759	if (dialogFlags & DF_END) return 0;
760	if (idResult)
761	return MAKELONG( idResult, DC_HASDEFID );
762	if ((hwndDefId = findDefButton()))
763	return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
764
765	return 0;
766	}
767
768	case WM_NEXTDLGCTL:
769	{
770	HWND hwndDest = (HWND)wParam;
771	if (!lParam)
772	hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
773	if (hwndDest) setFocus( hwndDest );
774	setDefButton( hwndDest );
775	return 0;
776	}
777
778	case WM_ENTERMENULOOP:
779	case WM_LBUTTONDOWN:
780	case WM_NCLBUTTONDOWN:
781	{
782	HWND hwndCurFocus = GetFocus();
783	if (hwndCurFocus)
784	{
785	Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
786
787	if(wndFocus)
788	{
789	/* always make combo box hide its listbox control */
790	if( WIDGETS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
791	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
792	else
793	if( WIDGETS_IsControl( wndFocus, EDIT_CONTROL ) &&
794	WIDGETS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
795	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
796	}
797	}
798	return DefWindowProcA( msg, wParam, lParam );
799	}
800
801	case WM_GETFONT:
802	return hUserFont;
803
804	case WM_CLOSE:
805	PostMessageA(WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
806	return 0;
807
808	case WM_NOTIFYFORMAT:
809	return DefWindowProcA(msg, wParam, lParam );
810	}
811	return 0;
812	}
813	//******************************************************************************
814	//******************************************************************************
815	LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
816	{
817	BOOL result = FALSE;
818
819	msgResult = 0;
820
821	if (Win32DlgProc) { /* Call dialog procedure */
822	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
823	}
824
825	if (!result && IsWindow())
826	{
827	/* callback didn't process this message */
828	switch(Msg)
829	{
830	case WM_ERASEBKGND:
831	case WM_SHOWWINDOW:
832	case WM_ACTIVATE:
833	case WM_SETFOCUS:
834	case DM_SETDEFID:
835	case DM_GETDEFID:
836	case WM_NEXTDLGCTL:
837	case WM_GETFONT:
838	case WM_CLOSE:
839	case WM_NCDESTROY:
840	case WM_ENTERMENULOOP:
841	case WM_LBUTTONDOWN:
842	case WM_NCLBUTTONDOWN:
843	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
844
845	case WM_INITDIALOG:
846	case WM_VKEYTOITEM:
847	case WM_COMPAREITEM:
848	case WM_CHARTOITEM:
849	break;
850
851	default:
852	return DefWindowProcA(Msg, wParam, lParam );
853	}
854	}
855	return DefDlg_Epilog(Msg, result);
856	}
857	//******************************************************************************
858	//******************************************************************************
859	LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
860	{
861	BOOL result = FALSE;
862
863	msgResult = 0;
864
865	if (Win32DlgProc) { /* Call dialog procedure */
866	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
867	}
868
869	if (!result && IsWindow())
870	{
871	/* callback didn't process this message */
872	switch(Msg)
873	{
874	case WM_ERASEBKGND:
875	case WM_SHOWWINDOW:
876	case WM_ACTIVATE:
877	case WM_SETFOCUS:
878	case DM_SETDEFID:
879	case DM_GETDEFID:
880	case WM_NEXTDLGCTL:
881	case WM_GETFONT:
882	case WM_CLOSE:
883	case WM_NCDESTROY:
884	case WM_ENTERMENULOOP:
885	case WM_LBUTTONDOWN:
886	case WM_NCLBUTTONDOWN:
887	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
888
889	case WM_INITDIALOG:
890	case WM_VKEYTOITEM:
891	case WM_COMPAREITEM:
892	case WM_CHARTOITEM:
893	break;
894
895	default:
896	return DefWindowProcW(Msg, wParam, lParam );
897	}
898	}
899	return DefDlg_Epilog(Msg, result);
900	}
901	/***********************************************************************
902	* DEFDLG_Epilog
903	*/
904	LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
905	{
906	/* see SDK 3.1 */
907	if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) \|\|
908	msg == WM_CTLCOLOR \|\| msg == WM_COMPAREITEM \|\|
909	msg == WM_VKEYTOITEM \|\| msg == WM_CHARTOITEM \|\|
910	msg == WM_QUERYDRAGICON \|\| msg == WM_INITDIALOG)
911	return fResult;
912
913	return msgResult;
914	}
915	/***********************************************************************
916	* DEFDLG_SetFocus
917	*
918	* Set the focus to a control of the dialog, selecting the text if
919	* the control is an edit dialog.
920	*/
921	void Win32Dialog::setFocus(HWND hwndCtrl )
922	{
923	HWND hwndPrev = GetFocus();
924
925	if (IsChild( hwndPrev ))
926	{
927	if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
928	::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
929	}
930	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
931	::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
932	SetFocus( hwndCtrl );
933	}
934
935
936	/***********************************************************************
937	* DEFDLG_SaveFocus
938	*/
939	BOOL Win32Dialog::saveFocus()
940	{
941	HWND hwndCurrentFocus = GetFocus();
942
943	if (!hwndCurrentFocus \|\| !IsChild( hwndCurrentFocus )) return FALSE;
944
945	hwndFocus = hwndCurrentFocus;
946	/* Remove default button */
947	return TRUE;
948	}
949
950
951	/***********************************************************************
952	* DEFDLG_RestoreFocus
953	*/
954	BOOL Win32Dialog::restoreFocus()
955	{
956	if (!hwndFocus \|\| IsIconic()) return FALSE;
957
958	if (!::IsWindow( hwndFocus )) return FALSE;
959
960	/* Don't set the focus back to controls if EndDialog is already called.*/
961	if (!(dialogFlags & DF_END))
962	setFocus(hwndFocus);
963
964	/* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
965	sometimes losing focus when receiving WM_SETFOCUS messages. */
966	return TRUE;
967	}
968
969
970	/***********************************************************************
971	* DEFDLG_FindDefButton
972	*
973	* Find the current default push-button.
974	*/
975	HWND Win32Dialog::findDefButton()
976	{
977	HWND hwndChild = GetWindow( GW_CHILD );
978	while (hwndChild)
979	{
980	if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
981	break;
982	hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
983	}
984	return hwndChild;
985	}
986
987
988	/***********************************************************************
989	* DEFDLG_SetDefButton
990	*
991	* Set the new default button to be hwndNew.
992	*/
993	BOOL Win32Dialog::setDefButton(HWND hwndNew )
994	{
995	if (hwndNew &&
996	!(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
997	return FALSE; /* Destination is not a push button */
998
999	if (idResult) /* There's already a default pushbutton */
1000	{
1001	HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
1002	if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
1003	::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1004	}
1005	if (hwndNew)
1006	{
1007	::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1008	idResult = GetDlgCtrlID( hwndNew );
1009	}
1010	else idResult = 0;
1011	return TRUE;
1012	}
1013	//******************************************************************************
1014	//******************************************************************************
1015	BOOL Win32Dialog::endDialog(int retval)
1016	{
1017	dialogFlags \|= DF_END;
1018	idResult = retval;
1019	return TRUE;
1020	}
1021	//******************************************************************************
1022	//******************************************************************************
1023	LONG Win32Dialog::SetWindowLongA(int index, ULONG value)
1024	{
1025	LONG oldval;
1026
1027	switch(index)
1028	{
1029	case DWL_DLGPROC:
1030	oldval = (LONG)Win32DlgProc;
1031	Win32DlgProc = (DLGPROC)index;
1032	return oldval;
1033	case DWL_MSGRESULT:
1034	oldval = msgResult;
1035	msgResult = value;
1036	return oldval;
1037	case DWL_USER:
1038	oldval = userDlgData;
1039	userDlgData = value;
1040	return oldval;
1041	default:
1042	return Win32BaseWindow::SetWindowLongA(index, value);
1043	}
1044	}
1045	//******************************************************************************
1046	//******************************************************************************
1047	ULONG Win32Dialog::GetWindowLongA(int index)
1048	{
1049	switch(index)
1050	{
1051	case DWL_DLGPROC:
1052	return (ULONG)Win32DlgProc;
1053	case DWL_MSGRESULT:
1054	return msgResult;
1055	case DWL_USER:
1056	return userDlgData;
1057	default:
1058	return Win32BaseWindow::GetWindowLongA(index);
1059	}
1060	}
1061	//******************************************************************************
1062	//******************************************************************************
1063	BOOL DIALOG_Register()
1064	{
1065	WNDCLASSA wndClass;
1066
1067	ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1068	wndClass.style = CS_GLOBALCLASS \| CS_SAVEBITS;
1069	wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1070	wndClass.cbClsExtra = 0;
1071	wndClass.cbWndExtra = 0;
1072	wndClass.hCursor = (HCURSOR)IDC_ARROWA;
1073	wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1074	wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1075
1076	return RegisterClassA(&wndClass);
1077	}
1078	//******************************************************************************
1079	//******************************************************************************
1080	BOOL DIALOG_Unregister()
1081	{
1082	if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1083	return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1084	else return FALSE;
1085	}
1086	//******************************************************************************
1087	//******************************************************************************
1088	BOOL Win32Dialog::fInitialized = FALSE;
1089	int Win32Dialog::xBaseUnit = 10;
1090	int Win32Dialog::yBaseUnit = 20;

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