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source: trunk/src/user32/win32dlg.cpp@ 1542

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Last change on this file since 1542 was 1542, checked in by cbratschi, 26 years ago
frame bug fixes
File size: 32.8 KB

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1	/* $Id: win32dlg.cpp,v 1.27 1999-11-02 17:07:25 cbratschi 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	/* Create dialog main window */
89	rect.left = rect.top = 0;
90	rect.right = dlgInfo.cx * xUnit / 4;
91	rect.bottom = dlgInfo.cy * yUnit / 8;
92	if (dlgInfo.style & DS_MODALFRAME)
93	dlgInfo.exStyle \|= WS_EX_DLGMODALFRAME;
94
95	AdjustWindowRectEx( &rect, dlgInfo.style, hMenu ? TRUE : FALSE , dlgInfo.exStyle );
96	rect.right -= rect.left;
97	rect.bottom -= rect.top;
98
99	if ((INT16)dlgInfo.x == CW_USEDEFAULT16)
100	{
101	rect.left = rect.top = CW_USEDEFAULT;
102	}
103	else
104	{
105	if (dlgInfo.style & DS_CENTER)
106	{
107	rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
108	rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
109	}
110	else
111	{
112	rect.left += dlgInfo.x * xUnit / 4;
113	rect.top += dlgInfo.y * yUnit / 8;
114	}
115	if ( !(dlgInfo.style & WS_CHILD) )
116	{
117	INT dX, dY;
118
119	if( !(dlgInfo.style & DS_ABSALIGN) )
120	ClientToScreen(owner, (POINT *)&rect );
121
122	/* try to fit it into the desktop */
123
124	if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
125	- GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
126	if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
127	- GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
128	if( rect.left < 0 ) rect.left = 0;
129	if( rect.top < 0 ) rect.top = 0;
130	}
131	}
132
133	/* Create the dialog window */
134
135	/* Find the class atom */
136	if (!HIWORD(dlgInfo.className))
137	{
138	classAtom = (ATOM)LOWORD(dlgInfo.className);
139	}
140	else
141	if (!(classAtom = GlobalFindAtomW((LPWSTR)dlgInfo.className)))
142	{
143	SetLastError(ERROR_INVALID_PARAMETER);
144	return;
145	}
146	CREATESTRUCTA cs;
147	cs.lpCreateParams = NULL;
148	cs.hInstance = hInst;
149	cs.hMenu = hMenu;
150	cs.hwndParent = owner;
151	cs.x = rect.left;
152	cs.y = rect.top;
153	cs.cx = rect.right;
154	cs.cy = rect.bottom;
155	cs.style = dlgInfo.style & ~WS_VISIBLE;
156	if(!isUnicode) {
157	if(dlgInfo.caption) {
158	cs.lpszName = UnicodeToAsciiString((LPWSTR)dlgInfo.caption);
159	}
160	else cs.lpszName = 0;
161	if(HIWORD(cs.lpszClass)) {
162	cs.lpszClass = UnicodeToAsciiString((LPWSTR)dlgInfo.className);
163	}
164	else cs.lpszClass = dlgInfo.className;
165	}
166	else {
167	cs.lpszName = dlgInfo.caption;
168	cs.lpszClass = dlgInfo.className;
169	}
170	cs.dwExStyle = dlgInfo.exStyle;
171
172	fIsDialog = TRUE;
173	Win32DlgProc = dlgProc;
174
175	this->tmpParam = param;
176	this->tmpDlgTemplate = (LPSTR)dlgTemplate;
177
178	if (CreateWindowExA(&cs, classAtom) == FALSE)
179	{
180	if (hUserFont) DeleteObject( hUserFont );
181	if (hMenu) DestroyMenu( hMenu );
182	SetLastError(ERROR_OUTOFMEMORY); //TODO: Wrong error
183	return;
184	}
185	SetLastError(0);
186	return;
187	}
188	//******************************************************************************
189	//******************************************************************************
190	Win32Dialog::~Win32Dialog()
191	{
192	if (hUserFont) DeleteObject( hUserFont );
193	if (hMenu) DestroyMenu( hMenu );
194	}
195	//******************************************************************************
196	//******************************************************************************
197	ULONG Win32Dialog::MsgCreate(HWND hwndFrame, HWND hwndClient)
198	{
199	CREATESTRUCTA *cs = tmpcs; //pointer to CREATESTRUCT used in CreateWindowExA method
200	LPARAM param = tmpParam;
201	LPSTR dlgTemplate = tmpDlgTemplate;
202
203	Win32BaseWindow::MsgCreate(hwndFrame, hwndClient);
204
205	if(!isUnicode) {
206	if(cs->lpszName) FreeAsciiString((LPSTR)cs->lpszName);
207	if(HIWORD(cs->lpszClass)) {
208	FreeAsciiString((LPSTR)cs->lpszClass);
209	}
210	}
211
212	//TODO:
213	// wndPtr->helpContext = helpId;
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	topOwner->EnableWindow( FALSE );
273	//CB: todo: make modal, implement modeless, remove FCF_TASKLIST
274	// emulate WinProcessDlg
275	ShowWindow( SW_SHOW );
276
277	//CB: 100% CPU usage, need a better solution with OSLibWinGetMsg
278	// is WM_ENTERIDLE used and leaving away breaks an application?
279	// this style was useful for Win3.1 but today there are threads
280	// solution: send only few WM_ENTERIDLE messages
281
282	#if 1
283	while (TRUE)
284	{
285	if (!OSLibWinPeekMsg(&msg,0,0,0,MSG_NOREMOVE))
286	{
287	if(!(getStyle() & DS_NOIDLEMSG))
288	topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
289	OSLibWinGetMsg(&msg,0,0,0);
290	} else OSLibWinPeekMsg(&msg,0,0,0,MSG_REMOVE);
291
292	if(msg.message == WM_QUIT)
293	{
294	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
295	break;
296	}
297	if (!IsDialogMessageA( getWindowHandle(), &msg))
298	{
299	TranslateMessage( &msg );
300	DispatchMessageA( &msg );
301	}
302	if (dialogFlags & DF_END) break;
303	}
304	#else
305	while (TRUE) {
306	// while (OSLibWinPeekMsg(&msg, getWindowHandle(), owner, MSGF_DIALOGBOX,
307	// MSG_REMOVE, !(getStyle() & DS_NOIDLEMSG), NULL ))
308	// if(OSLibWinPeekMsg(&msg, topOwner->getOS2FrameWindowHandle(), 0, 0, MSG_REMOVE))
309	if(OSLibWinPeekMsg(&msg, 0, 0, 0, MSG_REMOVE))
310	{
311	if(msg.message == WM_QUIT) {
312	dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
313	break;
314	}
315	if (!IsDialogMessageA( getWindowHandle(), &msg))
316	{
317	TranslateMessage( &msg );
318	DispatchMessageA( &msg );
319	}
320	if (dialogFlags & DF_END) break;
321	}
322	else {
323	if(!(getStyle() & DS_NOIDLEMSG)) {
324	topOwner->SendMessageA(WM_ENTERIDLE, MSGF_DIALOGBOX, getWindowHandle());
325	}
326	}
327	}
328	#endif
329	topOwner->EnableWindow( TRUE );
330	}
331	retval = idResult;
332	DestroyWindow();
333	return retval;
334	}
335	/***********************************************************************
336	* DIALOG_Init
337	*
338	* Initialisation of the dialog manager.
339	*/
340	BOOL Win32Dialog::DIALOG_Init(void)
341	{
342	HDC hdc;
343	SIZE size;
344
345	/* Calculate the dialog base units */
346	if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
347	if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
348	DeleteDC( hdc );
349	xBaseUnit = size.cx;
350	yBaseUnit = size.cy;
351
352	return TRUE;
353	}
354	/***********************************************************************
355	* DIALOG_GetCharSizeFromDC
356	*
357	*
358	* Calculates the true average size of English characters in the
359	* specified font as oppposed to the one returned by GetTextMetrics.
360	*/
361	BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
362	{
363	BOOL Success = FALSE;
364	HFONT hUserFontPrev = 0;
365	pSize->cx = xBaseUnit;
366	pSize->cy = yBaseUnit;
367
368	if ( hDC )
369	{
370	/* select the font */
371	TEXTMETRICA tm;
372	memset(&tm,0,sizeof(tm));
373	if (hUserFont) hUserFontPrev = SelectFont(hDC,hUserFont);
374	if (GetTextMetricsA(hDC,&tm))
375	{
376	pSize->cx = tm.tmAveCharWidth;
377	pSize->cy = tm.tmHeight;
378
379	/* if variable width font */
380	if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
381	{
382	SIZE total;
383	static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
384
385	/* Calculate a true average as opposed to the one returned
386	* by tmAveCharWidth. This works better when dealing with
387	* proportional spaced fonts and (more important) that's
388	* how Microsoft's dialog creation code calculates the size
389	* of the font
390	*/
391	if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
392	{
393	/* round up */
394	pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
395	Success = TRUE;
396	}
397	}
398	else
399	{
400	Success = TRUE;
401	}
402	}
403
404	/* select the original font */
405	if (hUserFontPrev) SelectFont(hDC,hUserFontPrev);
406	}
407	return (Success);
408	}
409	/***********************************************************************
410	* DIALOG_GetCharSize
411	*
412	*
413	* Calculates the true average size of English characters in the
414	* specified font as oppposed to the one returned by GetTextMetrics.
415	* A convenient variant of DIALOG_GetCharSizeFromDC.
416	*/
417	BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
418	{
419	HDC hDC = GetDC(0);
420	BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
421	ReleaseDC(0, hDC);
422	return Success;
423	}
424	/***********************************************************************
425	* DIALOG_ParseTemplate32
426	*
427	* Fill a DLG_TEMPLATE structure from the dialog template, and return
428	* a pointer to the first control.
429	*/
430	LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
431	{
432	const WORD p = (const WORD )dlgtemplate;
433
434	result->style = GET_DWORD(p); p += 2;
435	if (result->style == 0xffff0001) /* DIALOGEX resource */
436	{
437	result->dialogEx = TRUE;
438	result->helpId = GET_DWORD(p); p += 2;
439	result->exStyle = GET_DWORD(p); p += 2;
440	result->style = GET_DWORD(p); p += 2;
441	}
442	else
443	{
444	result->dialogEx = FALSE;
445	result->helpId = 0;
446	result->exStyle = GET_DWORD(p); p += 2;
447	}
448	result->nbItems = GET_WORD(p); p++;
449	result->x = GET_WORD(p); p++;
450	result->y = GET_WORD(p); p++;
451	result->cx = GET_WORD(p); p++;
452	result->cy = GET_WORD(p); p++;
453
454	/* Get the menu name */
455
456	switch(GET_WORD(p))
457	{
458	case 0x0000:
459	result->menuName = NULL;
460	p++;
461	break;
462	case 0xffff:
463	result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
464	p += 2;
465	break;
466	default:
467	result->menuName = (LPCSTR)p;
468	p += lstrlenW( (LPCWSTR)p ) + 1;
469	break;
470	}
471
472	/* Get the class name */
473	switch(GET_WORD(p))
474	{
475	case 0x0000:
476	result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
477	p++;
478	break;
479	case 0xffff:
480	result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
481	p += 2;
482	break;
483	default:
484	result->className = (LPCSTR)p;
485	p += lstrlenW( (LPCWSTR)p ) + 1;
486	break;
487	}
488
489	/* Get the window caption */
490
491	result->caption = (LPCSTR)p;
492	p += lstrlenW( (LPCWSTR)p ) + 1;
493
494	/* Get the font name */
495
496	if (result->style & DS_SETFONT)
497	{
498	result->pointSize = GET_WORD(p);
499	p++;
500	if (result->dialogEx)
501	{
502	result->weight = GET_WORD(p); p++;
503	result->italic = LOBYTE(GET_WORD(p)); p++;
504	}
505	else
506	{
507	result->weight = FW_DONTCARE;
508	result->italic = FALSE;
509	}
510	result->faceName = (LPCSTR)p;
511	p += lstrlenW( (LPCWSTR)p ) + 1;
512	}
513
514	/* First control is on dword boundary */
515	return (LPCSTR)((((int)p) + 3) & ~3);
516	}
517	/***********************************************************************
518	* DIALOG_GetControl32
519	*
520	* Return the class and text of the control pointed to by ptr,
521	* fill the header structure and return a pointer to the next control.
522	*/
523	WORD Win32Dialog::getControl(const WORD p, DLG_CONTROL_INFO *info, BOOL dialogEx)
524	{
525	if (dialogEx)
526	{
527	info->helpId = GET_DWORD(p); p += 2;
528	info->exStyle = GET_DWORD(p); p += 2;
529	info->style = GET_DWORD(p); p += 2;
530	}
531	else
532	{
533	info->helpId = 0;
534	info->style = GET_DWORD(p); p += 2;
535	info->exStyle = GET_DWORD(p); p += 2;
536	}
537	info->x = GET_WORD(p); p++;
538	info->y = GET_WORD(p); p++;
539	info->cx = GET_WORD(p); p++;
540	info->cy = GET_WORD(p); p++;
541
542	if (dialogEx)
543	{
544	/* id is a DWORD for DIALOGEX */
545	info->id = GET_DWORD(p);
546	p += 2;
547	}
548	else
549	{
550	info->id = GET_WORD(p);
551	p++;
552	}
553
554	if (GET_WORD(p) == 0xffff)
555	{
556	static const WCHAR class_names[6][10] =
557	{
558	{ 'B','u','t','t','o','n', }, /* 0x80 */
559	{ 'E','d','i','t', }, /* 0x81 */
560	{ 'S','t','a','t','i','c', }, /* 0x82 */
561	{ 'L','i','s','t','B','o','x', }, /* 0x83 */
562	{ 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
563	{ 'C','o','m','b','o','B','o','x', } /* 0x85 */
564	};
565	WORD id = GET_WORD(p+1);
566	if ((id >= 0x80) && (id <= 0x85))
567	info->className = (LPCSTR)class_names[id - 0x80];
568	else
569	{
570	info->className = NULL;
571	dprintf(("Unknown built-in class id %04x\n", id ));
572	}
573	p += 2;
574	}
575	else
576	{
577	info->className = (LPCSTR)p;
578	p += lstrlenW( (LPCWSTR)p ) + 1;
579	}
580
581	if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
582	{
583	info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
584	p += 2;
585	}
586	else
587	{
588	info->windowName = (LPCSTR)p;
589	p += lstrlenW( (LPCWSTR)p ) + 1;
590	}
591
592	if (GET_WORD(p))
593	{
594	info->data = (LPVOID)(p + 1);
595	p += GET_WORD(p) / sizeof(WORD);
596	}
597	else info->data = NULL;
598	p++;
599
600	/* Next control is on dword boundary */
601	return (WORD *)((((int)p) + 3) & ~3);
602	}
603
604
605	/***********************************************************************
606	* DIALOG_CreateControls
607	*
608	* Create the control windows for a dialog.
609	*/
610	BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
611	{
612	DLG_CONTROL_INFO info;
613	HWND hwndCtrl, hwndDefButton = 0;
614	INT items = dlgInfo.nbItems;
615
616	while (items--)
617	{
618	dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
619
620	dprintf(("Create CONTROL %d", info.id));
621	#if 0
622	if(isUnicode) {
623	hwndCtrl = ::CreateWindowExW( info.exStyle \| WS_EX_NOPARENTNOTIFY,
624	(LPCWSTR)info.className,
625	(LPCWSTR)info.windowName,
626	info.style \| WS_CHILD,
627	info.x * xUnit / 4,
628	info.y * yUnit / 8,
629	info.cx * xUnit / 4,
630	info.cy * yUnit / 8,
631	getWindowHandle(), (HMENU)info.id,
632	hInst, info.data );
633	}
634	else {
635	#endif
636	char *classNameA = NULL;
637	char *windowNameA = NULL;
638
639	if(HIWORD(info.className)) {
640	classNameA = UnicodeToAsciiString((LPWSTR)info.className);
641	}
642	else classNameA = (char *)info.className;
643
644	if(HIWORD(info.windowName)) {
645	windowNameA = UnicodeToAsciiString((LPWSTR)info.windowName);
646	}
647	hwndCtrl = ::CreateWindowExA( info.exStyle \| WS_EX_NOPARENTNOTIFY,
648	classNameA,
649	windowNameA,
650	info.style \| WS_CHILD,
651	info.x * xUnit / 4,
652	info.y * yUnit / 8,
653	info.cx * xUnit / 4,
654	info.cy * yUnit / 8,
655	getWindowHandle(), (HMENU)info.id,
656	hInst, info.data );
657	if(HIWORD(classNameA)) {
658	FreeAsciiString(classNameA);
659	}
660	if(windowNameA) {
661	FreeAsciiString(windowNameA);
662	}
663	// }
664
665	if (!hwndCtrl) return FALSE;
666
667	/* Send initialisation messages to the control */
668	if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
669
670	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
671	{
672	/* If there's already a default push-button, set it back */
673	/* to normal and use this one instead. */
674	if (hwndDefButton)
675	::SendMessageA( hwndDefButton, BM_SETSTYLE,
676	BS_PUSHBUTTON,FALSE );
677	hwndDefButton = hwndCtrl;
678	idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
679	}
680	dprintf(("Create CONTROL %d DONE", info.id));
681	}
682	return TRUE;
683	}
684	/***********************************************************************
685	* DEFDLG_Proc
686	*
687	* Implementation of DefDlgProc(). Only handle messages that need special
688	* handling for dialogs.
689	*/
690	LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
691	{
692	switch(msg)
693	{
694	case WM_ERASEBKGND:
695	{
696	RECT rect;
697	int rc;
698	/* Since WM_ERASEBKGND may receive either a window dc or a */
699	/* client dc, the area to be erased has to be retrieved from */
700	/* the device context. */
701	rc = GetClipBox( (HDC)wParam, &rect );
702	if ((rc == SIMPLEREGION) \|\| (rc == COMPLEXREGION))
703	FillRect( (HDC)wParam, &rect, windowClass->getBackgroundBrush());
704	return 1;
705	}
706	case WM_NCDESTROY:
707	/* Free dialog heap (if created) */
708	#if 0
709	if (dlgInfo->hDialogHeap)
710	{
711	GlobalUnlock16(dlgInfo->hDialogHeap);
712	GlobalFree16(dlgInfo->hDialogHeap);
713	dlgInfo->hDialogHeap = 0;
714	}
715	#endif
716	/* Delete font */
717	if (hUserFont)
718	{
719	DeleteObject( hUserFont );
720	hUserFont = 0;
721	}
722
723	/* Delete menu */
724	if (hMenu)
725	{
726	DestroyMenu( hMenu );
727	hMenu = 0;
728	}
729
730	/* Delete window procedure */
731	Win32DlgProc = 0;
732	dialogFlags \|= DF_END; /* just in case */
733
734	/* Window clean-up */
735	return DefWindowProcA(msg, wParam, lParam );
736
737	case WM_SHOWWINDOW:
738	if (!wParam) saveFocus();
739	return DefWindowProcA(msg, wParam, lParam );
740
741	case WM_ACTIVATE:
742	if (wParam) {
743	restoreFocus();
744	}
745	else saveFocus();
746	return 0;
747
748	case WM_SETFOCUS:
749	restoreFocus();
750	return 0;
751
752	case DM_SETDEFID:
753	if (dialogFlags & DF_END)
754	return 1;
755
756	setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
757	return 1;
758
759	case DM_GETDEFID:
760	{
761	HWND hwndDefId;
762	if (dialogFlags & DF_END) return 0;
763	if (idResult)
764	return MAKELONG( idResult, DC_HASDEFID );
765	if ((hwndDefId = findDefButton()))
766	return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
767
768	return 0;
769	}
770
771	case WM_NEXTDLGCTL:
772	{
773	HWND hwndDest = (HWND)wParam;
774	if (!lParam)
775	hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
776	if (hwndDest) setFocus( hwndDest );
777	setDefButton( hwndDest );
778	return 0;
779	}
780
781	case WM_ENTERMENULOOP:
782	case WM_LBUTTONDOWN:
783	case WM_NCLBUTTONDOWN:
784	{
785	HWND hwndCurFocus = GetFocus();
786	if (hwndCurFocus)
787	{
788	Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
789
790	if(wndFocus)
791	{
792	/* always make combo box hide its listbox control */
793	if( WIDGETS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
794	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
795	else
796	if( WIDGETS_IsControl( wndFocus, EDIT_CONTROL ) &&
797	WIDGETS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
798	wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
799	}
800	}
801	return DefWindowProcA( msg, wParam, lParam );
802	}
803
804	case WM_GETFONT:
805	return hUserFont;
806
807	case WM_CLOSE:
808	PostMessageA(WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
809	return 0;
810
811	case WM_NOTIFYFORMAT:
812	return DefWindowProcA(msg, wParam, lParam );
813	}
814	return 0;
815	}
816	//******************************************************************************
817	//******************************************************************************
818	LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
819	{
820	BOOL result = FALSE;
821
822	msgResult = 0;
823
824	if (Win32DlgProc) { /* Call dialog procedure */
825	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
826	}
827
828	if (!result && IsWindow())
829	{
830	/* callback didn't process this message */
831	switch(Msg)
832	{
833	case WM_ERASEBKGND:
834	case WM_SHOWWINDOW:
835	case WM_ACTIVATE:
836	case WM_SETFOCUS:
837	case DM_SETDEFID:
838	case DM_GETDEFID:
839	case WM_NEXTDLGCTL:
840	case WM_GETFONT:
841	case WM_CLOSE:
842	case WM_NCDESTROY:
843	case WM_ENTERMENULOOP:
844	case WM_LBUTTONDOWN:
845	case WM_NCLBUTTONDOWN:
846	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
847
848	case WM_INITDIALOG:
849	case WM_VKEYTOITEM:
850	case WM_COMPAREITEM:
851	case WM_CHARTOITEM:
852	break;
853
854	default:
855	return DefWindowProcA(Msg, wParam, lParam );
856	}
857	}
858	return DefDlg_Epilog(Msg, result);
859	}
860	//******************************************************************************
861	//******************************************************************************
862	LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
863	{
864	BOOL result = FALSE;
865
866	msgResult = 0;
867
868	if (Win32DlgProc) { /* Call dialog procedure */
869	result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
870	}
871
872	if (!result && IsWindow())
873	{
874	/* callback didn't process this message */
875	switch(Msg)
876	{
877	case WM_ERASEBKGND:
878	case WM_SHOWWINDOW:
879	case WM_ACTIVATE:
880	case WM_SETFOCUS:
881	case DM_SETDEFID:
882	case DM_GETDEFID:
883	case WM_NEXTDLGCTL:
884	case WM_GETFONT:
885	case WM_CLOSE:
886	case WM_NCDESTROY:
887	case WM_ENTERMENULOOP:
888	case WM_LBUTTONDOWN:
889	case WM_NCLBUTTONDOWN:
890	return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
891
892	case WM_INITDIALOG:
893	case WM_VKEYTOITEM:
894	case WM_COMPAREITEM:
895	case WM_CHARTOITEM:
896	break;
897
898	default:
899	return DefWindowProcW(Msg, wParam, lParam );
900	}
901	}
902	return DefDlg_Epilog(Msg, result);
903	}
904	/***********************************************************************
905	* DEFDLG_Epilog
906	*/
907	LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
908	{
909	/* see SDK 3.1 */
910	if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) \|\|
911	msg == WM_CTLCOLOR \|\| msg == WM_COMPAREITEM \|\|
912	msg == WM_VKEYTOITEM \|\| msg == WM_CHARTOITEM \|\|
913	msg == WM_QUERYDRAGICON \|\| msg == WM_INITDIALOG)
914	return fResult;
915
916	return msgResult;
917	}
918	/***********************************************************************
919	* DEFDLG_SetFocus
920	*
921	* Set the focus to a control of the dialog, selecting the text if
922	* the control is an edit dialog.
923	*/
924	void Win32Dialog::setFocus(HWND hwndCtrl )
925	{
926	HWND hwndPrev = GetFocus();
927
928	if (IsChild( hwndPrev ))
929	{
930	if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
931	::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
932	}
933	if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
934	::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
935	SetFocus( hwndCtrl );
936	}
937
938
939	/***********************************************************************
940	* DEFDLG_SaveFocus
941	*/
942	BOOL Win32Dialog::saveFocus()
943	{
944	HWND hwndCurrentFocus = GetFocus();
945
946	if (!hwndCurrentFocus \|\| !IsChild( hwndCurrentFocus )) return FALSE;
947
948	hwndFocus = hwndCurrentFocus;
949	/* Remove default button */
950	return TRUE;
951	}
952
953
954	/***********************************************************************
955	* DEFDLG_RestoreFocus
956	*/
957	BOOL Win32Dialog::restoreFocus()
958	{
959	if (!hwndFocus \|\| IsIconic()) return FALSE;
960
961	if (!::IsWindow( hwndFocus )) return FALSE;
962
963	/* Don't set the focus back to controls if EndDialog is already called.*/
964	if (!(dialogFlags & DF_END))
965	setFocus(hwndFocus);
966
967	/* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
968	sometimes losing focus when receiving WM_SETFOCUS messages. */
969	return TRUE;
970	}
971
972
973	/***********************************************************************
974	* DEFDLG_FindDefButton
975	*
976	* Find the current default push-button.
977	*/
978	HWND Win32Dialog::findDefButton()
979	{
980	HWND hwndChild = GetWindow( GW_CHILD );
981	while (hwndChild)
982	{
983	if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
984	break;
985	hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
986	}
987	return hwndChild;
988	}
989
990
991	/***********************************************************************
992	* DEFDLG_SetDefButton
993	*
994	* Set the new default button to be hwndNew.
995	*/
996	BOOL Win32Dialog::setDefButton(HWND hwndNew )
997	{
998	if (hwndNew &&
999	!(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
1000	return FALSE; /* Destination is not a push button */
1001
1002	if (idResult) /* There's already a default pushbutton */
1003	{
1004	HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
1005	if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
1006	::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1007	}
1008	if (hwndNew)
1009	{
1010	::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1011	idResult = GetDlgCtrlID( hwndNew );
1012	}
1013	else idResult = 0;
1014	return TRUE;
1015	}
1016	//******************************************************************************
1017	//******************************************************************************
1018	BOOL Win32Dialog::endDialog(int retval)
1019	{
1020	dialogFlags \|= DF_END;
1021	idResult = retval;
1022	return TRUE;
1023	}
1024	//******************************************************************************
1025	//******************************************************************************
1026	LONG Win32Dialog::SetWindowLongA(int index, ULONG value)
1027	{
1028	LONG oldval;
1029
1030	switch(index)
1031	{
1032	case DWL_DLGPROC:
1033	oldval = (LONG)Win32DlgProc;
1034	Win32DlgProc = (DLGPROC)index;
1035	return oldval;
1036	case DWL_MSGRESULT:
1037	oldval = msgResult;
1038	msgResult = value;
1039	return oldval;
1040	case DWL_USER:
1041	oldval = userDlgData;
1042	userDlgData = value;
1043	return oldval;
1044	default:
1045	return Win32BaseWindow::SetWindowLongA(index, value);
1046	}
1047	}
1048	//******************************************************************************
1049	//******************************************************************************
1050	ULONG Win32Dialog::GetWindowLongA(int index)
1051	{
1052	switch(index)
1053	{
1054	case DWL_DLGPROC:
1055	return (ULONG)Win32DlgProc;
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 = (HCURSOR)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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