source: trunk/src/user32/win32dlg.cpp@ 6001

Last change on this file since 6001 was 6001, checked in by sandervl, 24 years ago

wm_erasebkgnd handling changes for dialogs
File size: 35.6 KB
Line 
1/* $Id: win32dlg.cpp,v 1.69 2001-06-13 17:28:06 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 if (GetTextExtentPointA(hDC,szAvgChars,sizeof(szAvgChars),&total))
454 {
455 /* round up */
456 pSize->cx = ((2*total.cx/sizeof(szAvgChars)) + 1)/2;
457 Success = TRUE;
458 }
459 }
460 else
461 {
462 Success = TRUE;
463 }
464 }
465
466 /* select the original font */
467 if (hFontPrev) SelectFont(hDC,hFontPrev);
468 }
469 return (Success);
470}
471/***********************************************************************
472 * DIALOG_GetCharSize
473 *
474 *
475 * Calculates the *true* average size of English characters in the
476 * specified font as oppposed to the one returned by GetTextMetrics.
477 * A convenient variant of DIALOG_GetCharSizeFromDC.
478 */
479BOOL Win32Dialog::getCharSize( HFONT hUserFont, SIZE * pSize )
480{
481 HDC hDC = CreateCompatibleDC(0);
482 BOOL Success = getCharSizeFromDC( hDC, hUserFont, pSize );
483 DeleteDC(hDC);
484 return Success;
485}
486/***********************************************************************
487 * DIALOG_ParseTemplate32
488 *
489 * Fill a DLG_TEMPLATE structure from the dialog template, and return
490 * a pointer to the first control.
491 */
492LPCSTR Win32Dialog::parseTemplate( LPCSTR dlgtemplate, DLG_TEMPLATE * result )
493{
494 const WORD *p = (const WORD *)dlgtemplate;
495
496 result->style = GET_DWORD(p); p += 2;
497 if (result->style == 0xffff0001) /* DIALOGEX resource */
498 {
499 result->dialogEx = TRUE;
500 result->helpId = GET_DWORD(p); p += 2;
501 result->exStyle = GET_DWORD(p); p += 2;
502 result->style = GET_DWORD(p); p += 2;
503 }
504 else
505 {
506 result->dialogEx = FALSE;
507 result->helpId = 0;
508 result->exStyle = GET_DWORD(p); p += 2;
509 }
510 result->nbItems = GET_WORD(p); p++;
511 //x & y are signed words
512 result->x = GET_SHORT(p); p++;
513 result->y = GET_SHORT(p); p++;
514 result->cx = GET_WORD(p); p++;
515 result->cy = GET_WORD(p); p++;
516
517 /* Get the menu name */
518
519 switch(GET_WORD(p))
520 {
521 case 0x0000:
522 result->menuName = NULL;
523 p++;
524 break;
525 case 0xffff:
526 result->menuName = (LPCSTR)(UINT)GET_WORD( p + 1 );
527 p += 2;
528 break;
529 default:
530 result->menuName = (LPCSTR)p;
531 p += lstrlenW( (LPCWSTR)p ) + 1;
532 break;
533 }
534
535 /* Get the class name */
536 switch(GET_WORD(p))
537 {
538 case 0x0000:
539 result->className = (LPCSTR)DIALOG_CLASS_NAMEW;
540 p++;
541 break;
542 case 0xffff:
543 result->className = (LPCSTR)(UINT)GET_WORD( p + 1 );
544 p += 2;
545 break;
546 default:
547 result->className = (LPCSTR)p;
548 p += lstrlenW( (LPCWSTR)p ) + 1;
549 break;
550 }
551
552 /* Get the window caption */
553
554 result->caption = (LPCSTR)p;
555 p += lstrlenW( (LPCWSTR)p ) + 1;
556
557 /* Get the font name */
558
559 if (result->style & DS_SETFONT)
560 {
561 result->pointSize = GET_WORD(p);
562 p++;
563 if (result->dialogEx)
564 {
565 result->weight = GET_WORD(p); p++;
566 result->italic = LOBYTE(GET_WORD(p)); p++;
567 }
568 else
569 {
570 result->weight = FW_DONTCARE;
571 result->italic = FALSE;
572 }
573 result->faceName = (LPCSTR)p;
574 p += lstrlenW( (LPCWSTR)p ) + 1;
575 }
576
577 /* First control is on dword boundary */
578 return (LPCSTR)((((int)p) + 3) & ~3);
579}
580/***********************************************************************
581 * DIALOG_GetControl32
582 *
583 * Return the class and text of the control pointed to by ptr,
584 * fill the header structure and return a pointer to the next control.
585 */
586WORD *Win32Dialog::getControl(const WORD *p, DLG_CONTROL_INFO *info, BOOL dialogEx)
587{
588 if (dialogEx)
589 {
590 info->helpId = GET_DWORD(p); p += 2;
591 info->exStyle = GET_DWORD(p); p += 2;
592 info->style = GET_DWORD(p); p += 2;
593 }
594 else
595 {
596 info->helpId = 0;
597 info->style = GET_DWORD(p); p += 2;
598 info->exStyle = GET_DWORD(p); p += 2;
599 }
600 //x & y are signed words (VirtualPC Settings dailog)
601 info->x = GET_SHORT(p); p++;
602 info->y = GET_SHORT(p); p++;
603 info->cx = GET_WORD(p); p++;
604 info->cy = GET_WORD(p); p++;
605
606 if (dialogEx)
607 {
608 /* id is a DWORD for DIALOGEX */
609 info->id = GET_DWORD(p);
610 p += 2;
611 }
612 else
613 {
614 info->id = GET_WORD(p);
615 p++;
616 }
617
618 if (GET_WORD(p) == 0xffff)
619 {
620 static const WCHAR class_names[6][10] =
621 {
622 { 'B','u','t','t','o','n', }, /* 0x80 */
623 { 'E','d','i','t', }, /* 0x81 */
624 { 'S','t','a','t','i','c', }, /* 0x82 */
625 { 'L','i','s','t','B','o','x', }, /* 0x83 */
626 { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
627 { 'C','o','m','b','o','B','o','x', } /* 0x85 */
628 };
629 WORD id = GET_WORD(p+1);
630 if ((id >= 0x80) && (id <= 0x85))
631 info->className = (LPCSTR)class_names[id - 0x80];
632 else
633 {
634 info->className = NULL;
635 dprintf(("Unknown built-in class id %04x\n", id ));
636 }
637 p += 2;
638 }
639 else
640 {
641 info->className = (LPCSTR)p;
642 p += lstrlenW( (LPCWSTR)p ) + 1;
643 }
644
645 if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
646 {
647 info->windowName = (LPCSTR)(UINT)GET_WORD(p + 1);
648 p = (WORD *)((char *)p+3);
649 }
650 else
651 {
652 info->windowName = (LPCSTR)p;
653 p += lstrlenW( (LPCWSTR)p ) + 1;
654 }
655
656 if (GET_WORD(p))
657 {
658 info->data = (LPVOID)(p + 1);
659 p += GET_WORD(p) / sizeof(WORD);
660 }
661 else info->data = NULL;
662 p++;
663
664 /* Next control is on dword boundary */
665 return (WORD *)((((int)p) + 3) & ~3);
666}
667
668
669/***********************************************************************
670 * DIALOG_CreateControls
671 *
672 * Create the control windows for a dialog.
673 */
674BOOL Win32Dialog::createControls(LPCSTR dlgtemplate, HINSTANCE hInst)
675{
676 DLG_CONTROL_INFO info;
677 HWND hwndCtrl, hwndDefButton = 0;
678 INT items = dlgInfo.nbItems;
679
680 while (items--)
681 {
682 dlgtemplate = (LPCSTR)getControl( (WORD *)dlgtemplate, &info, dlgInfo.dialogEx );
683
684 dprintf(("Create CONTROL %d", info.id));
685
686 hwndCtrl = ::CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
687 (LPWSTR)info.className,
688 (LPWSTR)info.windowName,
689 info.style | WS_CHILD,
690 MulDiv(info.x, xUnit, 4),
691 MulDiv(info.y, yUnit, 8),
692 MulDiv(info.cx, xUnit, 4),
693 MulDiv(info.cy, yUnit, 8),
694 getWindowHandle(), (HMENU)info.id,
695 hInst, info.data );
696
697 if (!hwndCtrl) return FALSE;
698
699 /* Send initialisation messages to the control */
700 if (hUserFont) ::SendMessageA( hwndCtrl, WM_SETFONT, (WPARAM)hUserFont, 0 );
701
702 if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
703 {
704 /* If there's already a default push-button, set it back */
705 /* to normal and use this one instead. */
706 if (hwndDefButton)
707 ::SendMessageA( hwndDefButton, BM_SETSTYLE,
708 BS_PUSHBUTTON,FALSE );
709 hwndDefButton = hwndCtrl;
710 idResult = ::GetWindowWord( hwndCtrl, GWW_ID );
711 }
712 dprintf(("Create CONTROL %d DONE", info.id));
713 }
714 return TRUE;
715}
716/***********************************************************************
717 * DEFDLG_Proc
718 *
719 * Implementation of DefDlgProc(). Only handle messages that need special
720 * handling for dialogs.
721 */
722LRESULT Win32Dialog::DefDlg_Proc(UINT msg, WPARAM wParam, LPARAM lParam)
723{
724 switch(msg)
725 {
726 case WM_ERASEBKGND:
727 {
728 RECT rect;
729 int rc;
730
731 if (!windowClass) return 0;
732
733 rc = GetClipBox( (HDC)wParam, &rect );
734 if ((rc == SIMPLEREGION) || (rc == COMPLEXREGION))
735 {
736 HBRUSH hBrush = SendInternalMessageA(WM_CTLCOLORDLG, wParam, getWindowHandle());
737 if(GetObjectType(hBrush) != OBJ_BRUSH) {
738 DefWndControlColor(CTLCOLOR_DLG, (HDC)wParam);
739 }
740 FillRect( (HDC)wParam, &rect, hBrush);
741 }
742
743 return 1;
744 }
745
746 case WM_NCDESTROY:
747 /* Free dialog heap (if created) */
748#if 0
749 if (dlgInfo->hDialogHeap)
750 {
751 GlobalUnlock16(dlgInfo->hDialogHeap);
752 GlobalFree16(dlgInfo->hDialogHeap);
753 dlgInfo->hDialogHeap = 0;
754 }
755#endif
756 /* Delete font */
757 if (hUserFont)
758 {
759 DeleteObject( hUserFont );
760 hUserFont = 0;
761 }
762
763 /* Delete menu */
764 if (hMenu)
765 {
766 DestroyMenu( hMenu );
767 hMenu = 0;
768 }
769
770 /* Delete window procedure */
771 Win32DlgProc = 0;
772 dialogFlags |= DF_END; /* just in case */
773
774 /* Window clean-up */
775 return DefWindowProcA(msg, wParam, lParam );
776
777 case WM_SHOWWINDOW:
778 if (!wParam) saveFocus();
779 return DefWindowProcA(msg, wParam, lParam );
780
781 case WM_ACTIVATE:
782 if (wParam) {
783 restoreFocus();
784 }
785 else saveFocus();
786 return 0;
787
788 case WM_SETFOCUS:
789 restoreFocus();
790 return 0;
791
792 case DM_SETDEFID:
793 if (dialogFlags & DF_END)
794 return 1;
795
796 setDefButton(wParam ? GetDlgItem( getWindowHandle(), wParam ) : 0 );
797 return 1;
798
799 case DM_GETDEFID:
800 {
801 HWND hwndDefId;
802 if (dialogFlags & DF_END) return 0;
803 if (idResult)
804 return MAKELONG( idResult, DC_HASDEFID );
805 if ((hwndDefId = findDefButton()) != 0)
806 return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
807
808 return 0;
809 }
810
811 case WM_NEXTDLGCTL:
812 {
813 HWND hwndDest = (HWND)wParam;
814 if (!lParam)
815 hwndDest = GetNextDlgTabItem(getWindowHandle(), GetFocus(), wParam);
816 if (hwndDest) setFocus( hwndDest );
817 setDefButton( hwndDest );
818 return 0;
819 }
820
821 case WM_ENTERMENULOOP:
822 case WM_LBUTTONDOWN:
823 case WM_NCLBUTTONDOWN:
824 {
825 HWND hwndCurFocus = GetFocus();
826 if (hwndCurFocus)
827 {
828 Win32BaseWindow *wndFocus = Win32BaseWindow::GetWindowFromHandle(hwndFocus);
829
830 if(wndFocus)
831 {
832 /* always make combo box hide its listbox control */
833 if( CONTROLS_IsControl( wndFocus, COMBOBOX_CONTROL ) )
834 wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
835 else
836 if( CONTROLS_IsControl( wndFocus, EDIT_CONTROL ) &&
837 CONTROLS_IsControl( wndFocus->getParent(), COMBOBOX_CONTROL ))
838 wndFocus->SendMessageA(CB_SHOWDROPDOWN, FALSE, 0 );
839 RELEASE_WNDOBJ(wndFocus);
840 }
841 }
842 return DefWindowProcA( msg, wParam, lParam );
843 }
844
845 case WM_GETFONT:
846 return hUserFont;
847
848 case WM_CLOSE:
849 PostMessageA(getWindowHandle(), WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( getWindowHandle(), IDCANCEL ) );
850 return 0;
851
852 case WM_NOTIFYFORMAT:
853 return DefWindowProcA(msg, wParam, lParam );
854 }
855 return 0;
856}
857//******************************************************************************
858//******************************************************************************
859LRESULT Win32Dialog::DefDlgProcA(UINT Msg, WPARAM wParam, LPARAM lParam)
860{
861 BOOL result = FALSE;
862
863 msgResult = 0;
864
865 //Dialogs never receive these messages
866 if (Msg == WM_CREATE || Msg == WM_NCCREATE) {
867 return (LRESULT)1;
868 }
869 //Never send a WM_NCCALCSIZE to a dialog before it has received it's WM_INITDIALOG message
870 //(causes problems for sysinf32.exe)
871 if(!fDialogInit && Msg == WM_NCCALCSIZE) {
872 return DefWindowProcA(Msg, wParam, lParam );
873 }
874
875 if (Win32DlgProc) { /* Call dialog procedure */
876 result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
877 }
878
879 if (!result && IsWindow())
880 {
881 /* callback didn't process this message */
882 switch(Msg)
883 {
884 case WM_ERASEBKGND:
885 case WM_SHOWWINDOW:
886 case WM_ACTIVATE:
887 case WM_SETFOCUS:
888 case DM_SETDEFID:
889 case DM_GETDEFID:
890 case WM_NEXTDLGCTL:
891 case WM_GETFONT:
892 case WM_CLOSE:
893 case WM_NCDESTROY:
894 case WM_ENTERMENULOOP:
895 case WM_LBUTTONDOWN:
896 case WM_NCLBUTTONDOWN:
897 return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
898
899 case WM_INITDIALOG:
900 case WM_VKEYTOITEM:
901 case WM_COMPAREITEM:
902 case WM_CHARTOITEM:
903 break;
904
905 default:
906 return DefWindowProcA(Msg, wParam, lParam );
907 }
908 }
909 return DefDlg_Epilog(Msg, result);
910}
911//******************************************************************************
912//******************************************************************************
913LRESULT Win32Dialog::DefDlgProcW(UINT Msg, WPARAM wParam, LPARAM lParam)
914{
915 BOOL result = FALSE;
916
917 msgResult = 0;
918
919 //Dialogs never receive these messages
920 if (Msg == WM_CREATE || Msg == WM_NCCREATE) {
921 return (LRESULT)1;
922 }
923 //Never send a WM_NCCALCSIZE to a dialog before it has received it's WM_INITDIALOG message
924 //(causes problems for sysinf32.exe)
925 if(!fDialogInit && Msg == WM_NCCALCSIZE) {
926 return DefWindowProcW(Msg, wParam, lParam );
927 }
928
929 if (Win32DlgProc) { /* Call dialog procedure */
930 result = Win32DlgProc(getWindowHandle(), Msg, wParam, lParam);
931 }
932
933 if (!result && IsWindow())
934 {
935 /* callback didn't process this message */
936 switch(Msg)
937 {
938 case WM_ERASEBKGND:
939 case WM_SHOWWINDOW:
940 case WM_ACTIVATE:
941 case WM_SETFOCUS:
942 case DM_SETDEFID:
943 case DM_GETDEFID:
944 case WM_NEXTDLGCTL:
945 case WM_GETFONT:
946 case WM_CLOSE:
947 case WM_NCDESTROY:
948 case WM_ENTERMENULOOP:
949 case WM_LBUTTONDOWN:
950 case WM_NCLBUTTONDOWN:
951 return DefDlg_Proc(Msg, (WPARAM)wParam, lParam);
952
953 case WM_INITDIALOG:
954 case WM_VKEYTOITEM:
955 case WM_COMPAREITEM:
956 case WM_CHARTOITEM:
957 break;
958
959 default:
960 return DefWindowProcW(Msg, wParam, lParam );
961 }
962 }
963 return DefDlg_Epilog(Msg, result);
964}
965/***********************************************************************
966 * DEFDLG_Epilog
967 */
968LRESULT Win32Dialog::DefDlg_Epilog(UINT msg, BOOL fResult)
969{
970 /* see SDK 3.1 */
971 if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
972 msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
973 msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
974 msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
975 return fResult;
976
977 return msgResult;
978}
979/***********************************************************************
980 * DEFDLG_SetFocus
981 *
982 * Set the focus to a control of the dialog, selecting the text if
983 * the control is an edit dialog.
984 */
985void Win32Dialog::setFocus(HWND hwndCtrl )
986{
987 HWND hwndPrev = GetFocus();
988
989 if (IsChild( hwndPrev ))
990 {
991 if (::SendMessageA( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
992 ::SendMessageA( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
993 }
994 if (::SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
995 ::SendMessageA(hwndCtrl, EM_SETSEL, FALSE, MAKELONG( 0, -1 ) );
996 SetFocus( hwndCtrl );
997}
998
999
1000/***********************************************************************
1001 * DEFDLG_SaveFocus
1002 */
1003BOOL Win32Dialog::saveFocus()
1004{
1005 HWND hwndCurrentFocus = GetFocus();
1006
1007 if (!hwndCurrentFocus || !IsChild( hwndCurrentFocus )) return FALSE;
1008
1009 hwndFocus = hwndCurrentFocus;
1010 /* Remove default button */
1011 return TRUE;
1012}
1013
1014
1015/***********************************************************************
1016 * DEFDLG_RestoreFocus
1017 */
1018BOOL Win32Dialog::restoreFocus()
1019{
1020 if (!hwndFocus || IsWindowIconic()) return FALSE;
1021
1022 if (!::IsWindow( hwndFocus )) return FALSE;
1023
1024 /* Don't set the focus back to controls if EndDialog is already called.*/
1025 if (!(dialogFlags & DF_END))
1026 setFocus(hwndFocus);
1027
1028 /* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
1029 sometimes losing focus when receiving WM_SETFOCUS messages. */
1030 return TRUE;
1031}
1032
1033
1034/***********************************************************************
1035 * DEFDLG_FindDefButton
1036 *
1037 * Find the current default push-button.
1038 */
1039HWND Win32Dialog::findDefButton()
1040{
1041 HWND hwndChild = GetWindow( GW_CHILD );
1042 while (hwndChild)
1043 {
1044 if (::SendMessageA( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
1045 break;
1046 hwndChild = ::GetWindow( hwndChild, GW_HWNDNEXT );
1047 }
1048 return hwndChild;
1049}
1050
1051
1052/***********************************************************************
1053 * DEFDLG_SetDefButton
1054 *
1055 * Set the new default button to be hwndNew.
1056 */
1057BOOL Win32Dialog::setDefButton(HWND hwndNew )
1058{
1059 if (hwndNew &&
1060 !(::SendMessageA(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
1061 return FALSE; /* Destination is not a push button */
1062
1063 if (idResult) /* There's already a default pushbutton */
1064 {
1065 HWND hwndOld = GetDlgItem( getWindowHandle(), idResult );
1066 if (::SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
1067 ::SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
1068 }
1069 if (hwndNew)
1070 {
1071 ::SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
1072 idResult = GetDlgCtrlID( hwndNew );
1073 }
1074 else idResult = 0;
1075 return TRUE;
1076}
1077//******************************************************************************
1078//******************************************************************************
1079BOOL Win32Dialog::endDialog(int retval)
1080{
1081 dialogFlags |= DF_END;
1082 idResult = retval;
1083 return TRUE;
1084}
1085//******************************************************************************
1086//******************************************************************************
1087LONG Win32Dialog::SetWindowLongA(int index, ULONG value, BOOL fUnicode)
1088{
1089 LONG oldval;
1090
1091 dprintf2(("Win32Dialog::SetWindowLongA %x %d %x", getWindowHandle(), index, value));
1092 switch(index)
1093 {
1094 case DWL_DLGPROC:
1095 {
1096 //Note: Type of SetWindowLong determines new window proc type
1097 // UNLESS the new window proc has already been registered
1098 // (use the old type in that case)
1099 // (VERIFIED in NT 4, SP6)
1100 WINDOWPROCTYPE type = WINPROC_GetProcType((HWINDOWPROC)value);
1101 if(type == WIN_PROC_INVALID) {
1102 type = (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A;
1103 }
1104 oldval = (LONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1105 WINPROC_SetProc((HWINDOWPROC *)&Win32DlgProc, (WNDPROC)value, type, WIN_PROC_WINDOW);
1106 return oldval;
1107 }
1108 case DWL_MSGRESULT:
1109 oldval = msgResult;
1110 msgResult = value;
1111 return oldval;
1112 case DWL_USER:
1113 oldval = userDlgData;
1114 userDlgData = value;
1115 return oldval;
1116 default:
1117 return Win32BaseWindow::SetWindowLongA(index, value);
1118 }
1119}
1120//******************************************************************************
1121//******************************************************************************
1122ULONG Win32Dialog::GetWindowLongA(int index, BOOL fUnicode)
1123{
1124 dprintf2(("Win32Dialog::GetWindowLongA %x %d", getWindowHandle(), index));
1125 switch(index)
1126 {
1127 case DWL_DLGPROC:
1128 return (ULONG)WINPROC_GetProc(Win32DlgProc, (fUnicode) ? WIN_PROC_32W : WIN_PROC_32A);
1129 case DWL_MSGRESULT:
1130 return msgResult;
1131 case DWL_USER:
1132 return userDlgData;
1133 default:
1134 return Win32BaseWindow::GetWindowLongA(index);
1135 }
1136}
1137//******************************************************************************
1138//******************************************************************************
1139BOOL DIALOG_Register()
1140{
1141 WNDCLASSA wndClass;
1142
1143 ZeroMemory(&wndClass,sizeof(WNDCLASSA));
1144 wndClass.style = CS_GLOBALCLASS | CS_SAVEBITS;
1145 wndClass.lpfnWndProc = (WNDPROC)DefDlgProcA;
1146 wndClass.cbClsExtra = 0;
1147 wndClass.cbWndExtra = 0;
1148 wndClass.hCursor = LoadCursorA(0,IDC_ARROWA);
1149 wndClass.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
1150 wndClass.lpszClassName = DIALOG_CLASS_NAMEA;
1151
1152 return RegisterClassA(&wndClass);
1153}
1154//******************************************************************************
1155//******************************************************************************
1156BOOL DIALOG_Unregister()
1157{
1158 if (GlobalFindAtomA(DIALOG_CLASS_NAMEA))
1159 return UnregisterClassA(DIALOG_CLASS_NAMEA,(HINSTANCE)NULL);
1160 else return FALSE;
1161}
1162//******************************************************************************
1163//******************************************************************************
1164BOOL Win32Dialog::fInitialized = FALSE;
1165int Win32Dialog::xBaseUnit = 10;
1166int Win32Dialog::yBaseUnit = 20;
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