source: trunk/src/user32/win32dlg.cpp@ 7325

Last change on this file since 7325 was 7325, checked in by sandervl, 24 years ago

Fix for calculating font size for a dialog box
File size: 36.6 KB
Line 
1/* $Id: win32dlg.cpp,v 1.74 2001-11-12 18:01:05 sandervl Exp $ */
2/*
3 * Win32 Dialog Code for OS/2
4 *
5 * Copyright 1999-2001 Sander van Leeuwen (sandervl@xs4all.nl) (Wine port & OS/2 adaption)
6 *
7 * Based on Wine code (990815; windows\dialog.c)
8 *
9 * Copyright 1993, 1994, 1996 Alexandre Julliard
10 *
11 * Project Odin Software License can be found in LICENSE.TXT
12 *
13 */
14#include <os2win.h>
15#include <windowsx.h>
16#include <stdlib.h>
17#include <string.h>
18#include <misc.h>
19#include <win32dlg.h>
20#include <win\winproc.h>
21#include "oslibmsg.h"
22#include "oslibwin.h"
23#include "win32wdesktop.h"
24#include "controls.h"
25#include "syscolor.h"
26#include "hook.h"
27#include <math.h>
28#include <unicode.h>
29
30#define DBG_LOCALLOG DBG_win32dlg
31#include "dbglocal.h"
32
33#define DEFAULT_DLGFONT "9.WarpSans"
34
35#define GET_SHORT(ptr) (*(SHORT *)(ptr))
36
37//******************************************************************************
38//******************************************************************************
39Win32Dialog::Win32Dialog(HINSTANCE hInst, LPCSTR dlgTemplate, HWND owner,
40 DLGPROC dlgProc, LPARAM param, BOOL isUnicode)
41 : Win32BaseWindow()
42{
43 RECT rect;
44 WORD style;
45 ATOM classAtom;
46
47 this->isUnicode = isUnicode;
48 hUserFont = 0;
49 hMenu = 0;
50 hwndFocus = 0;
51 Win32DlgProc = 0;
52 msgResult = 0;
53 userDlgData = 0;
54 idResult = 0;
55 dialogFlags = 0;
56 fDialogInit = FALSE;
57 memset(&dlgInfo, 0, sizeof(dlgInfo));
58
59 dprintf(("********* CREATE DIALOG ************"));
60 if(fInitialized == FALSE) {
61 if(DIALOG_Init() == FALSE) {
62 dprintf(("DIALOG_Init FAILED!"));
63 DebugInt3();
64 SetLastError(ERROR_GEN_FAILURE);
65 return;
66 }
67 fInitialized = TRUE;
68 }
69 xUnit = xBaseUnit;
70 yUnit = yBaseUnit;
71
72 /* Parse dialog template */
73 dlgTemplate = parseTemplate(dlgTemplate, &dlgInfo);
74
75 /* Load menu */
76 if (dlgInfo.menuName)
77 {
78 hMenu = LoadMenuW( hInst, (LPCWSTR)dlgInfo.menuName );
79 }
80
81 /* Create custom font if needed */
82 if (dlgInfo.style & DS_SETFONT)
83 {
84 /* The font height must be negative as it is a point size */
85 /* and must be converted to pixels first */
86 /* (see CreateFont() documentation in the Windows SDK). */
87 int pixels;
88 if (((short)dlgInfo.pointSize) < 0)
89 pixels = -((short)dlgInfo.pointSize);
90 else
91 {
92 HDC hdc = GetDC(0);
93 pixels = dlgInfo.pointSize * GetDeviceCaps(hdc, LOGPIXELSY)/72;
94 ReleaseDC(0, hdc);
95 }
96
97 hUserFont = CreateFontW(-pixels, 0, 0, 0,
98 dlgInfo.weight, dlgInfo.italic, FALSE,
99 FALSE, DEFAULT_CHARSET, 0, 0, PROOF_QUALITY,
100 FF_DONTCARE, (LPCWSTR)dlgInfo.faceName );
101 if (hUserFont)
102 {
103 SIZE charSize;
104 getCharSize(hUserFont,&charSize);
105 xUnit = charSize.cx;
106 yUnit = charSize.cy;
107 }
108 }
109
110 //Set help id
111 setWindowContextHelpId(dlgInfo.helpId);
112
113 /* Create dialog main window */
114 rect.left = rect.top = 0;
115 rect.right = dlgInfo.cx * xUnit / 4;
116 rect.bottom = dlgInfo.cy * yUnit / 8;
117 if (dlgInfo.style & DS_MODALFRAME)
118 dlgInfo.exStyle |= WS_EX_DLGMODALFRAME;
119
120 AdjustWindowRectEx( &rect, dlgInfo.style, hMenu ? TRUE : FALSE , dlgInfo.exStyle );
121 rect.right -= rect.left;
122 rect.bottom -= rect.top;
123
124 if ((INT16)dlgInfo.x == CW_USEDEFAULT16)
125 {
126 rect.left = rect.top = CW_USEDEFAULT;
127 }
128 else
129 {
130 if (dlgInfo.style & DS_CENTER)
131 {
132 rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
133 rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
134 }
135 else
136 {
137 rect.left += dlgInfo.x * xUnit / 4;
138 rect.top += dlgInfo.y * yUnit / 8;
139 }
140 if ( !(dlgInfo.style & WS_CHILD) )
141 {
142 INT dX, dY;
143
144 if( !(dlgInfo.style & DS_ABSALIGN) && owner)
145 ClientToScreen(owner, (POINT *)&rect );
146
147 /* try to fit it into the desktop */
148
149 if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
150 - GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
151 if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
152 - GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
153 if( rect.left < 0 ) rect.left = 0;
154 if( rect.top < 0 ) rect.top = 0;
155 }
156 }
157
158 /* Create the dialog window */
159
160 /* Find the class atom */
161 if (!HIWORD(dlgInfo.className))
162 {
163 classAtom = (ATOM)LOWORD(dlgInfo.className);
164 }
165 else
166 if (!(classAtom = GlobalFindAtomW((LPWSTR)dlgInfo.className)))
167 {
168 SetLastError(ERROR_INVALID_PARAMETER);
169 return;
170 }
171 CREATESTRUCTA cs;
172 cs.lpCreateParams = NULL;
173 cs.hInstance = hInst;
174 cs.hMenu = hMenu;
175 cs.hwndParent = owner;
176 cs.x = rect.left;
177 cs.y = rect.top;
178 cs.cx = rect.right;
179 cs.cy = rect.bottom;
180 cs.style = dlgInfo.style & ~WS_VISIBLE;
181
182 if(!isUnicode) {
183 if(dlgInfo.caption) {
184 cs.lpszName = UnicodeToAsciiString((LPWSTR)dlgInfo.caption);
185 }
186 else cs.lpszName = 0;
187 if(dlgInfo.className) {
188 cs.lpszClass = UnicodeToAsciiString((LPWSTR)dlgInfo.className);
189 }
190 else cs.lpszClass = 0;
191 }
192 else {
193 cs.lpszName = dlgInfo.caption;
194 cs.lpszClass = dlgInfo.className;
195 }
196 cs.dwExStyle = dlgInfo.exStyle;
197 if (dlgInfo.style & DS_CONTEXTHELP) cs.dwExStyle |= WS_EX_CONTEXTHELP;
198
199 //Mask away WS_CAPTION style for dialogs with DS_CONTROL style
200 //(necessary for OFN_ENABLETEMPLATE file open dialogs)
201 //(verified this behaviour in NT4, SP6)
202 if (dlgInfo.style & DS_CONTROL) cs.style &= ~(WS_CAPTION);
203
204 fIsDialog = TRUE;
205 WINPROC_SetProc((HWINDOWPROC *)&Win32DlgProc, (WNDPROC)dlgProc, (isUnicode) ? WIN_PROC_32W : WIN_PROC_32A, WIN_PROC_WINDOW);
206
207 this->tmpParam = param;
208 this->tmpDlgTemplate = (LPSTR)dlgTemplate;
209
210 if (CreateWindowExA(&cs, classAtom) == FALSE)
211 {
212 if (hUserFont) DeleteObject( hUserFont );
213 if (hMenu) DestroyMenu( hMenu );
214 SetLastError(ERROR_OUTOFMEMORY); //TODO: Wrong error
215 return;
216 }
217 SetLastError(0);
218 return;
219}
220//******************************************************************************
221//******************************************************************************
222Win32Dialog::~Win32Dialog()
223{
224 if (hUserFont) DeleteObject( hUserFont );
225 if (hMenu) DestroyMenu( hMenu );
226
227 WINPROC_FreeProc(Win32DlgProc, WIN_PROC_WINDOW);
228}
229//******************************************************************************
230//******************************************************************************
231ULONG Win32Dialog::MsgCreate(HWND hwndOS2)
232{
233 CREATESTRUCTA *cs = tmpcs; //pointer to CREATESTRUCT used in CreateWindowExA method
234 LPARAM param = tmpParam;
235 LPSTR dlgTemplate = tmpDlgTemplate;
236
237 if(Win32BaseWindow::MsgCreate(hwndOS2) == FALSE) {
238 dprintf(("********* DIALOG CREATION FAILED! (main dialog window) ************"));
239 return FALSE;
240 }
241
242 if(!isUnicode) {
243 if(cs->lpszName) FreeAsciiString((LPSTR)cs->lpszName);
244 if(HIWORD(cs->lpszClass)) {
245 FreeAsciiString((LPSTR)cs->lpszClass);
246 }
247 }
248
249 if (hUserFont)
250 SendInternalMessageA(WM_SETFONT, (WPARAM)hUserFont, 0 );
251
252 /* Create controls */
253 if (createControls(dlgTemplate, hInstance))
254 {
255 dprintf(("********* DIALOG CONTROLS CREATED ************"));
256 /* Send initialisation messages and set focus */
257 hwndFocus = GetNextDlgTabItem( getWindowHandle(), 0, FALSE );
258 dprintf(("dlg ctor: GetNextDlgTabItem returned %x, capture hwnd = %x", hwndFocus, GetCapture()));
259
260 fDialogInit = TRUE; //WM_NCCALCSIZE can now be sent to dialog procedure
261
262 HWND hwndPreInitFocus = GetFocus();
263 if(SendInternalMessageA(WM_INITDIALOG, (WPARAM)hwndFocus, param))
264 {
265 /* check where the focus is again,
266 * some controls status might have changed in WM_INITDIALOG */
267 hwndFocus = GetNextDlgTabItem( getWindowHandle(), 0, FALSE );
268 if(GetFocus() != hwndFocus) {
269 SetFocus(hwndFocus);
270 }
271 }
272 else
273 {
274 /* If the dlgproc has returned FALSE (indicating handling of keyboard focus)
275 but the focus has not changed, set the focus where we expect it. */
276 if ( (getStyle() & WS_VISIBLE) && ( GetFocus() == hwndPreInitFocus ) )
277 SetFocus( hwndFocus );
278 }
279
280 if (dlgInfo.style & WS_VISIBLE && !(getStyle() & WS_VISIBLE))
281 {
282 ShowWindow( SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
283 UpdateWindow( getWindowHandle() );
284 }
285 SetLastError(ERROR_SUCCESS);
286 dprintf(("********* DIALOG CREATED ************"));
287 return TRUE;
288 }
289 dprintf(("********* DIALOG CREATION FAILED! ************"));
290 return FALSE;
291}
292//******************************************************************************
293//******************************************************************************
294BOOL Win32Dialog::MapDialogRect(LPRECT rect)
295{
296 rect->left = (rect->left * xUnit) / 4;
297 rect->right = (rect->right * xUnit) / 4;
298 rect->top = (rect->top * yUnit) / 8;
299 rect->bottom = (rect->bottom * yUnit) / 8;
300 return TRUE;
301}
302/***********************************************************************
303 * DIALOG_DoDialogBox
304 */
305INT Win32Dialog::doDialogBox()
306{
307 Win32BaseWindow *topOwner;
308 MSG msg;
309 INT retval;
310
311 dprintf(("doDialogBox %x", getWindowHandle()));
312 /* Owner must be a top-level window */
313 if(getOwner() == NULL) {
314 windowDesktop->addRef();
315 topOwner = windowDesktop;
316 }
317 else topOwner = GetWindowFromHandle(getOwner()->GetTopParent());
318
319 if(topOwner == NULL) {
320 dprintf(("Dialog box has no top owner!!!"));
321 return -1;
322 }
323
324 if (!dialogFlags & DF_END) /* was EndDialog called in WM_INITDIALOG ? */
325 {
326 HWND hwndOldDialog;
327 BOOL bOldOwner;
328
329 fIsModalDialog = TRUE;
330 topOwner->EnableWindow(FALSE);
331
332 bOldOwner = topOwner->IsModalDialogOwner();
333 topOwner->setModalDialogOwner(TRUE);
334 hwndOldDialog = topOwner->getOS2HwndModalDialog();
335 topOwner->setOS2HwndModalDialog(OS2HwndFrame);
336 ShowWindow(SW_SHOW);
337
338 //CB: 100% CPU usage, need a better solution with OSLibWinGetMsg
339 // is WM_ENTERIDLE used and leaving away breaks an application?
340 // this style was useful for Win3.1 but today there are threads
341 // solution: send only few WM_ENTERIDLE messages
342 while (TRUE)
343 {
344 if (!PeekMessageA(&msg,0,0,0,PM_NOREMOVE))
345 {
346 if(!(getStyle() & DS_NOIDLEMSG))
347 topOwner->SendMessageA(WM_ENTERIDLE,MSGF_DIALOGBOX,getWindowHandle());
348 GetMessageA(&msg,0,0,0);
349 }
350 else PeekMessageA(&msg,0,0,0,PM_REMOVE);
351
352 /* Call message filters */
353 if (HOOK_IsHooked( WH_SYSMSGFILTER ) || HOOK_IsHooked( WH_MSGFILTER ))
354 {
355 LPMSG pmsg = (LPMSG)HeapAlloc( GetProcessHeap(), 0, sizeof(MSG) );
356 if (pmsg)
357 {
358 BOOL ret;
359 *pmsg = msg;
360 ret = (HOOK_CallHooksA( WH_SYSMSGFILTER, MSGF_DIALOGBOX, 0,
361 (LPARAM) pmsg ) ||
362 HOOK_CallHooksA( WH_MSGFILTER, MSGF_DIALOGBOX, 0,
363 (LPARAM) pmsg ));
364
365 HeapFree( GetProcessHeap(), 0, pmsg );
366 if (ret)
367 {
368 /* Message filtered -> remove it from the queue */
369 /* if it's still there. */
370 continue;
371 }
372 }
373 }
374
375 if(msg.message == WM_QUIT)
376 {
377 dprintf(("Win32Dialog::doDialogBox: received WM_QUIT"));
378 break;
379 }
380 if (!IsDialogMessageA( getWindowHandle(), &msg))
381 {
382 TranslateMessage( &msg );
383 DispatchMessageA( &msg );
384 }
385 if (dialogFlags & DF_END)
386 break;
387 }
388 topOwner->setModalDialogOwner(bOldOwner);
389 topOwner->setOS2HwndModalDialog(hwndOldDialog);
390 if (!bOldOwner) topOwner->EnableWindow(TRUE);
391 }
392 RELEASE_WNDOBJ(topOwner);
393 retval = idResult;
394 DestroyWindow();
395 return retval;
396}
397/***********************************************************************
398 * DIALOG_Init
399 *
400 * Initialisation of the dialog manager.
401 */
402BOOL Win32Dialog::DIALOG_Init(void)
403{
404 HDC hdc;
405 SIZE size;
406
407 /* Calculate the dialog base units */
408 if (!(hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ))) return FALSE;
409 if (!getCharSizeFromDC( hdc, 0, &size )) return FALSE;
410 DeleteDC( hdc );
411 xBaseUnit = size.cx;
412 yBaseUnit = size.cy;
413
414 return TRUE;
415}
416/***********************************************************************
417 * DIALOG_GetCharSizeFromDC
418 *
419 *
420 * Calculates the *true* average size of English characters in the
421 * specified font as oppposed to the one returned by GetTextMetrics.
422 */
423BOOL Win32Dialog::getCharSizeFromDC( HDC hDC, HFONT hUserFont, SIZE * pSize )
424{
425 BOOL Success = FALSE;
426 HFONT hFontPrev = 0;
427 pSize->cx = xBaseUnit;
428 pSize->cy = yBaseUnit;
429
430 if ( hDC )
431 {
432 /* select the font */
433 TEXTMETRICA tm;
434 memset(&tm,0,sizeof(tm));
435 if (hUserFont) hFontPrev = SelectFont(hDC,hUserFont);
436 if (GetTextMetricsA(hDC,&tm))
437 {
438 pSize->cx = tm.tmAveCharWidth;
439 pSize->cy = tm.tmHeight;
440
441 /* if variable width font */
442 if (tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
443 {
444 SIZE total;
445 static const char szAvgChars[53] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
446
447 /* Calculate a true average as opposed to the one returned
448 * by tmAveCharWidth. This works better when dealing with
449 * proportional spaced fonts and (more important) that's
450 * how Microsoft's dialog creation code calculates the size
451 * of the font
452 */
453#ifdef __WIN32OS2__
454 if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars)-1,&total))
455 {
456 /* round up */
457 pSize->cx = ((2*total.cx/(sizeof(szAvgChars)-1)) + 1)/2;
458 Success = TRUE;
459 }
460#else
461 if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
462 {
463 /* round up */
464 pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
465 Success = TRUE;
466 }
467#endif
468 }
469 else
470 {
471 Success = TRUE;
472 }
473 }
474
475 /* select the original font */
476 if (hFontPrev) SelectFont(hDC,hFontPrev);
477 }
478 return (Success);
479}
480/***********************************************************************
481 * DIALOG_GetCharSize
482 *
483 *
484 * Calculates the *true* average size of English characters in the
485 * specified font as oppposed to the one returned by GetTextMetrics.
486 * A convenient variant of DIALOG_GetCharSizeFromDC.
487 */
488BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
489{
490 HDC hDC = CreateCompatibleDC(0);
491 BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
492 DeleteDC(hDC);
493 return Success;
494}
495/***********************************************************************
496 * DIALOG_ParseTemplate32
497 *
498 * Fill a DLG_TEMPLATE structure from the dialog template, and return
499 * a pointer to the first control.
500 */
501LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
502{
503 const WORD *p = (const WORD *)dlgtemplate;
504
505 result->style = GET_DWORD(p); p += 2;
506 if (result->style == 0xffff0001) /* DIALOGEX resource */
507 {
508 result->dialogEx = TRUE;
509 result->helpId = GET_DWORD(p); p += 2;
510 result->exStyle = GET_DWORD(p); p += 2;
511 result->style = GET_DWORD(p); p += 2;
512 }
513 else
514 {
515 result->dialogEx = FALSE;
516 result->helpId = 0;
517 result->exStyle = GET_DWORD(p); p += 2;
518 }
519 result->nbItems = GET_WORD(p); p++;
520 //x & y are signed words
521 result->x = GET_SHORT(p); p++;
522 result->y = GET_SHORT(p); p++;
523 result->cx = GET_WORD(p); p++;
524 result->cy = GET_WORD(p); p++;
525
526 /* Get the menu name */
527
528 switch(GET_WORD(p))
529 {
530 case 0x0000:
531 result->menuName = NULL;
532 p++;
533 break;
534 case 0xffff:
535 result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
536 p += 2;
537 break;
538 default:
539 result->menuName = (LPCSTR)p;
540 p += lstrlenW( (LPCWSTR)p ) + 1;
541 break;
542 }
543
544 /* Get the class name */
545 switch(GET_WORD(p))
546 {
547 case 0x0000:
548 result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
549 p++;
550 break;
551 case 0xffff:
552 result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
553 p += 2;
554 break;
555 default:
556 result->className = (LPCSTR)p;
557 p += lstrlenW( (LPCWSTR)p ) + 1;
558 break;
559 }
560
561 /* Get the window caption */
562
563 result->caption = (LPCSTR)p;
564 p += lstrlenW( (LPCWSTR)p ) + 1;
565
566 /* Get the font name */
567
568 if (result->style & DS_SETFONT)
569 {
570 result->pointSize = GET_WORD(p);
571 p++;
572 if (result->dialogEx)
573 {
574 result->weight = GET_WORD(p); p++;
575 result->italic = LOBYTE(GET_WORD(p)); p++;
576 }
577 else
578 {
579 result->weight = FW_DONTCARE;
580 result->italic = FALSE;
581 }
582 result->faceName = (LPCSTR)p;
583 p += lstrlenW( (LPCWSTR)p ) + 1;
584 }
585
586 /* First control is on dword boundary */
587 return (LPCSTR)((((int)p) + 3) & ~3);
588}
589/***********************************************************************
590 * DIALOG_GetControl32
591 *
592 * Return the class and text of the control pointed to by ptr,
593 * fill the header structure and return a pointer to the next control.
594 */
595WORD *Win32Dialog::getControl(const WORD *p, DLG_CONTROL_INFO *info, BOOL dialogEx)
596{
597 if (dialogEx)
598 {
599 info->helpId = GET_DWORD(p); p += 2;
600 info->exStyle = GET_DWORD(p); p += 2;
601 info->style = GET_DWORD(p); p += 2;
602 }
603 else
604 {
605 info->helpId = 0;
606 info->style = GET_DWORD(p); p += 2;
607 info->exStyle = GET_DWORD(p); p += 2;
608 }
609 //SvL: x & y are signed words!
610 info->x = GET_SHORT(p); p++;
611 info->y = GET_SHORT(p); p++;
612 info->cx = GET_WORD(p); p++;
613 info->cy = GET_WORD(p); p++;
614
615 if (dialogEx)
616 {
617 /* id is a DWORD for DIALOGEX */
618 info->id = GET_DWORD(p);
619 p += 2;
620 }
621 else
622 {
623 info->id = GET_WORD(p);
624 p++;
625 }
626
627 if (GET_WORD(p) == 0xffff)
628 {
629 static const WCHAR class_names[6][10] =
630 {
631 { 'B','u','t','t','o','n', }, /* 0x80 */
632 { 'E','d','i','t', }, /* 0x81 */
633 { 'S','t','a','t','i','c', }, /* 0x82 */
634 { 'L','i','s','t','B','o','x', }, /* 0x83 */
635 { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
636 { 'C','o','m','b','o','B','o','x', } /* 0x85 */
637 };
638 WORD id = GET_WORD(p+1);
639 if ((id >= 0x80) && (id <= 0x85))
640 info->className = (LPCSTR)class_names[id - 0x80];
641 else
642 {
643 info->className = NULL;
644 dprintf(("Unknown built-in class id %04x\n", id ));
645 }
646 p += 2;
647 }
648 else
649 {
650 info->className = (LPCSTR)p;
651 p += lstrlenW( (LPCWSTR)p ) + 1;
652 }
653
654 if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
655 {
656 info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
657 //Wine add 3 (bytes) here. But that causes problems with certain
658 //InstallShield installers.
659 p += 2;
660 }
661 else
662 {
663 info->windowName = (LPCSTR)p;
664 p += lstrlenW( (LPCWSTR)p ) + 1;
665 }
666
667 if (GET_WORD(p))
668 {
669 info->data = (LPVOID)(p + 1);
670 p += GET_WORD(p) / sizeof(WORD);
671 }
672 else info->data = NULL;
673 p++;
674
675 /* Next control is on dword boundary */
676 return (WORD *)((((int)p) + 3) & ~3);
677}
678
679
680/***********************************************************************
681 * DIALOG_CreateControls
682 *
683 * Create the control windows for a dialog.
684 */
685BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
686{
687 DLG_CONTROL_INFO info;
688 HWND hwndCtrl, hwndDefButton = 0;
689 INT items = dlgInfo.nbItems;
690
691 while (items--)
692 {
693 dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
694
695 dprintf(("Create CONTROL %d", info.id));
696
697 hwndCtrl = ::CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
698 (LPWSTR)info.className,
699 (LPWSTR)info.windowName,
700 info.style | WS_CHILD,
701 MulDiv(info.x, xUnit, 4),
702 MulDiv(info.y, yUnit, 8),
703 MulDiv(info.cx, xUnit, 4),
704 MulDiv(info.cy, yUnit, 8),
705 getWindowHandle(), (HMENU)info.id,
706 hInst, info.data );
707
708 if (!hwndCtrl) return FALSE;
709
710 /* Send initialisation messages to the control */
711 if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
712
713 if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
714 {
715 /* If there's already a default push-button, set it back */
716 /* to normal and use this one instead. */
717 if (hwndDefButton)
718 ::SendMessageA( hwndDefButton, BM_SETSTYLE,
719 BS_PUSHBUTTON,FALSE );
720 hwndDefButton = hwndCtrl;
721 idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
722 }
723 dprintf(("Create CONTROL %d DONE", info.id));
724 }
725 return TRUE;
726}
727/***********************************************************************
728 * DEFDLG_Proc
729 *
730 * Implementation of DefDlgProc(). Only handle messages that need special
731 * handling for dialogs.
732 */
733LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
734{
735 switch(msg)
736 {
737 case WM_ERASEBKGND:
738 {
739 RECT rect;
740 int rc;
741
742 if (!windowClass) return 0;
743
744 rc = GetClipBox( (HDC)wParam, &rect );
745 if ((rc == SIMPLEREGION) || (rc == COMPLEXREGION))
746 {
747 HBRUSH hBrush = SendInternalMessageA(WM_CTLCOLORDLG, wParam, getWindowHandle());
748 if(GetObjectType(hBrush) != OBJ_BRUSH) {
749 DefWndControlColor(CTLCOLOR_DLG, (HDC)wParam);
750 }
751 FillRect( (HDC)wParam, &rect, hBrush);
752 }
753
754 return 1;
755 }
756
757 case WM_NCDESTROY:
758 /* Free dialog heap (if created) */
759#if 0
760 if (dlgInfo->hDialogHeap)
761 {
762 GlobalUnlock16(dlgInfo->hDialogHeap);
763 GlobalFree16(dlgInfo->hDialogHeap);
764 dlgInfo->hDialogHeap = 0;
765 }
766#endif
767 /* Delete font */
768 if (hUserFont)
769 {
770 DeleteObject( hUserFont );
771 hUserFont = 0;
772 }
773
774 /* Delete menu */
775 if (hMenu)
776 {
777 DestroyMenu( hMenu );
778 hMenu = 0;
779 }
780
781 /* Delete window procedure */
782 Win32DlgProc = 0;
783 dialogFlags |= DF_END; /* just in case */
784
785 /* Window clean-up */
786 return DefWindowProcA(msg, wParam, lParam );
787
788 case WM_SHOWWINDOW:
789 if (!wParam) saveFocus();
790 return DefWindowProcA(msg, wParam, lParam );
791
792 case WM_ACTIVATE:
793 if (wParam) {
794 restoreFocus();
795 }
796 else saveFocus();
797 return 0;
798
799 case WM_SETFOCUS:
800 restoreFocus();
801 return 0;
802
803 case DM_SETDEFID:
804 if (dialogFlags & DF_END)
805 return 1;
806
807 setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
808 return 1;
809
810 case DM_GETDEFID:
811 {
812 HWND hwndDefId;
813 if (dialogFlags & DF_END) return 0;
814 if (idResult)
815 return MAKELONG( idResult, DC_HASDEFID );
816 if ((hwndDefId = findDefButton()) != 0)
817 return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
818
819 return 0;
820 }
821
822 case WM_NEXTDLGCTL:
823 {
824 HWND hwndDest = (HWND)wParam;
825 if (!lParam)
826 hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
827 if (hwndDest) setFocus( hwndDest );
828 setDefButton( hwndDest );
829 return 0;
830 }
831
832 case WM_ENTERMENULOOP:
833 case WM_LBUTTONDOWN:
834 case WM_NCLBUTTONDOWN:
835 {
836 HWND hwndCurFocus = GetFocus();
837 if (hwndCurFocus)
838 {
839 Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
840
841 if(wndFocus)
842 {
843 /* always make combo box hide its listbox control */
844 if( CONTROLS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
845 wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
846 else
847 if( CONTROLS_IsControl( wndFocus, EDIT_CONTROL ) &&
848 CONTROLS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
849 wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
850 RELEASE_WNDOBJ(wndFocus);
851 }
852 }
853 return DefWindowProcA( msg, wParam, lParam );
854 }
855
856 case WM_GETFONT:
857 return hUserFont;
858
859 case WM_CLOSE:
860 PostMessageA(getWindowHandle(), WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
861 return 0;
862
863 case WM_NOTIFYFORMAT:
864 return DefWindowProcA(msg, wParam, lParam );
865 }
866 return 0;
867}
868//******************************************************************************
869//******************************************************************************
870LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
871{
872 BOOL result = FALSE;
873
874 msgResult = 0;
875
876 //Dialogs never receive these messages
877 if (Msg == WM_CREATE || Msg == WM_NCCREATE) {
878 return (LRESULT)1;
879 }
880 //Never send a WM_NCCALCSIZE to a dialog before it has received it's WM_INITDIALOG message
881 //(causes problems for sysinf32.exe)
882 if(!fDialogInit && Msg == WM_NCCALCSIZE) {
883 return DefWindowProcA(Msg, wParam, lParam );
884 }
885
886 if (Win32DlgProc) { /* Call dialog procedure */
887 result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
888 }
889
890 if (!result && IsWindow())
891 {
892 /* callback didn't process this message */
893 switch(Msg)
894 {
895 case WM_ERASEBKGND:
896 case WM_SHOWWINDOW:
897 case WM_ACTIVATE:
898 case WM_SETFOCUS:
899 case DM_SETDEFID:
900 case DM_GETDEFID:
901 case WM_NEXTDLGCTL:
902 case WM_GETFONT:
903 case WM_CLOSE:
904 case WM_NCDESTROY:
905 case WM_ENTERMENULOOP:
906 case WM_LBUTTONDOWN:
907 case WM_NCLBUTTONDOWN:
908 return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
909
910 case WM_INITDIALOG:
911 case WM_VKEYTOITEM:
912 case WM_COMPAREITEM:
913 case WM_CHARTOITEM:
914 break;
915
916 default:
917 return DefWindowProcA(Msg, wParam, lParam );
918 }
919 }
920 return DefDlg_Epilog(Msg, result);
921}
922//******************************************************************************
923//******************************************************************************
924LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
925{
926 BOOL result = FALSE;
927
928 msgResult = 0;
929
930 //Dialogs never receive these messages
931 if (Msg == WM_CREATE || Msg == WM_NCCREATE) {
932 return (LRESULT)1;
933 }
934 //Never send a WM_NCCALCSIZE to a dialog before it has received it's WM_INITDIALOG message
935 //(causes problems for sysinf32.exe)
936 if(!fDialogInit && Msg == WM_NCCALCSIZE) {
937 return DefWindowProcW(Msg, wParam, lParam );
938 }
939
940 if (Win32DlgProc) { /* Call dialog procedure */
941 result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
942 }
943
944 if (!result && IsWindow())
945 {
946 /* callback didn't process this message */
947 switch(Msg)
948 {
949 case WM_ERASEBKGND:
950 case WM_SHOWWINDOW:
951 case WM_ACTIVATE:
952 case WM_SETFOCUS:
953 case DM_SETDEFID:
954 case DM_GETDEFID:
955 case WM_NEXTDLGCTL:
956 case WM_GETFONT:
957 case WM_CLOSE:
958 case WM_NCDESTROY:
959 case WM_ENTERMENULOOP:
960 case WM_LBUTTONDOWN:
961 case WM_NCLBUTTONDOWN:
962 return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
963
964 case WM_INITDIALOG:
965 case WM_VKEYTOITEM:
966 case WM_COMPAREITEM:
967 case WM_CHARTOITEM:
968 break;
969
970 default:
971 return DefWindowProcW(Msg, wParam, lParam );
972 }
973 }
974 return DefDlg_Epilog(Msg, result);
975}
976/***********************************************************************
977 * DEFDLG_Epilog
978 */
979LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
980{
981 /* see SDK 3.1 */
982 if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
983 msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
984 msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
985 msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
986 return fResult;
987
988 return msgResult;
989}
990/***********************************************************************
991 * DEFDLG_SetFocus
992 *
993 * Set the focus to a control of the dialog, selecting the text if
994 * the control is an edit dialog.
995 */
996void Win32Dialog::setFocus(HWND hwndCtrl )
997{
998 HWND hwndPrev = GetFocus();
999
1000 if (IsChild( hwndPrev ))
1001 {
1002 if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
1003 ::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
1004 }
1005 if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
1006 ::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
1007 SetFocus( hwndCtrl );
1008}
1009
1010
1011/***********************************************************************
1012 * DEFDLG_SaveFocus
1013 */
1014BOOL Win32Dialog::saveFocus()
1015{
1016 HWND hwndCurrentFocus = GetFocus();
1017
1018 if (!hwndCurrentFocus || !IsChild( hwndCurrentFocus )) return FALSE;
1019
1020 hwndFocus = hwndCurrentFocus;
1021 /* Remove default button */
1022 return TRUE;
1023}
1024
1025
1026/***********************************************************************
1027 * DEFDLG_RestoreFocus
1028 */
1029BOOL Win32Dialog::restoreFocus()
1030{
1031 if (!hwndFocus || IsWindowIconic()) return FALSE;
1032
1033 if (!::IsWindow( hwndFocus )) return FALSE;
1034
1035 /* Don't set the focus back to controls if EndDialog is already called.*/
1036 if (!(dialogFlags & DF_END))
1037 setFocus(hwndFocus);
1038
1039 /* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
1040 sometimes losing focus when receiving WM_SETFOCUS messages. */
1041 return TRUE;
1042}
1043
1044
1045/***********************************************************************
1046 * DEFDLG_FindDefButton
1047 *
1048 * Find the current default push-button.
1049 */
1050HWND Win32Dialog::findDefButton()
1051{
1052 HWND hwndChild = GetWindow( GW_CHILD );
1053 while (hwndChild)
1054 {
1055 if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
1056 break;
1057 hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
1058 }
1059 return hwndChild;
1060}
1061
1062
1063/***********************************************************************
1064 * DEFDLG_SetDefButton
1065 *
1066 * Set the new default button to be hwndNew.
1067 */
1068BOOL Win32Dialog::setDefButton(HWND hwndNew )
1069{
1070 if (hwndNew &&
1071 !(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
1072 return FALSE; /* Destination is not a push button */
1073
1074 if (idResult) /* There's already a default pushbutton */
1075 {
1076 HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
1077 if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
1078 ::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1079 }
1080 if (hwndNew)
1081 {
1082 ::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1083 idResult = GetDlgCtrlID( hwndNew );
1084 }
1085 else idResult = 0;
1086 return TRUE;
1087}
1088//******************************************************************************
1089//******************************************************************************
1090BOOL Win32Dialog::endDialog(int retval)
1091{
1092 HWND hwnd = getWindowHandle();
1093
1094 dialogFlags |= DF_END;
1095 idResult = retval;
1096
1097// BOOL wasEnabled = (dlgInfo.flags & DF_OWNERENABLED);
1098
1099// if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
1100// DIALOG_EnableOwner( owner );
1101
1102 /* Windows sets the focus to the dialog itself in EndDialog */
1103
1104 if (::IsChild(hwnd, GetFocus()))
1105 ::SetFocus( hwnd );
1106
1107 /* Don't have to send a ShowWindow(SW_HIDE), just do
1108 SetWindowPos with SWP_HIDEWINDOW as done in Windows */
1109
1110 ::SetWindowPos(hwnd, (HWND)0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
1111 | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
1112
1113 /* unblock dialog loop */
1114 PostMessageA(hwnd, WM_NULL, 0, 0);
1115 return TRUE;
1116}
1117//******************************************************************************
1118//******************************************************************************
1119LONG Win32Dialog::SetWindowLong(int index, ULONG value, BOOL fUnicode)
1120{
1121 LONG oldval;
1122
1123 dprintf2(("Win32Dialog::SetWindowLongA %x %d %x", getWindowHandle(), index, value));
1124 switch(index)
1125 {
1126 case DWL_DLGPROC:
1127 {
1128 //Note: Type of SetWindowLong determines new window proc type
1129 // UNLESS the new window proc has already been registered
1130 // (use the old type in that case)
1131 // (VERIFIED in NT 4, SP6)
1132 WINDOWPROCTYPE type = WINPROC_GetProcType((HWINDOWPROC)value);
1133 if(type == WIN_PROC_INVALID) {
1134 type = (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A;
1135 }
1136 oldval = (LONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1137 WINPROC_SetProc((HWINDOWPROC *)&Win32DlgProc, (WNDPROC)value, type, WIN_PROC_WINDOW);
1138 return oldval;
1139 }
1140 case DWL_MSGRESULT:
1141 oldval = msgResult;
1142 msgResult = value;
1143 return oldval;
1144 case DWL_USER:
1145 oldval = userDlgData;
1146 userDlgData = value;
1147 return oldval;
1148 default:
1149 return Win32BaseWindow::SetWindowLong(index, value, fUnicode);
1150 }
1151}
1152//******************************************************************************
1153//******************************************************************************
1154ULONG Win32Dialog::GetWindowLong(int index, BOOL fUnicode)
1155{
1156 dprintf2(("Win32Dialog::GetWindowLongA %x %d", getWindowHandle(), index));
1157 switch(index)
1158 {
1159 case DWL_DLGPROC:
1160 return (ULONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1161 case DWL_MSGRESULT:
1162 return msgResult;
1163 case DWL_USER:
1164 return userDlgData;
1165 default:
1166 return Win32BaseWindow::GetWindowLong(index, fUnicode);
1167 }
1168}
1169//******************************************************************************
1170//******************************************************************************
1171BOOL DIALOG_Register()
1172{
1173 WNDCLASSA wndClass;
1174
1175 ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1176 wndClass.style = CS_GLOBALCLASS | CS_SAVEBITS;
1177 wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1178 wndClass.cbClsExtra = 0;
1179 wndClass.cbWndExtra = 0;
1180 wndClass.hCursor = LoadCursorA(0,IDC_ARROWA);
1181 wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1182 wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1183
1184 return RegisterClassA(&wndClass);
1185}
1186//******************************************************************************
1187//******************************************************************************
1188BOOL DIALOG_Unregister()
1189{
1190 if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1191 return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1192 else return FALSE;
1193}
1194//******************************************************************************
1195//******************************************************************************
1196BOOL Win32Dialog::fInitialized = FALSE;
1197int Win32Dialog::xBaseUnit = 10;
1198int Win32Dialog::yBaseUnit = 20;
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