Stop testing a sequence upon the first expected error, to avoid
[wine.git] / windows / dialog.c
blobd1d5dc6711f8ea003e8f7a56e307302844528610
1 /*
2 * Dialog functions
4 * Copyright 1993, 1994, 1996 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include "config.h"
22 #include "wine/port.h"
24 #include <ctype.h>
25 #include <errno.h>
26 #include <limits.h>
27 #include <stdlib.h>
28 #include <stdarg.h>
29 #include <stdio.h>
30 #include <string.h>
32 #include "windef.h"
33 #include "winbase.h"
34 #include "wingdi.h"
35 #include "winuser.h"
36 #include "winnls.h"
37 #include "wine/winuser16.h"
38 #include "wine/unicode.h"
39 #include "controls.h"
40 #include "win.h"
41 #include "winpos.h"
42 #include "user.h"
43 #include "wine/debug.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
48 /* Dialog control information */
49 typedef struct
51 DWORD style;
52 DWORD exStyle;
53 DWORD helpId;
54 INT16 x;
55 INT16 y;
56 INT16 cx;
57 INT16 cy;
58 UINT id;
59 LPCWSTR className;
60 LPCWSTR windowName;
61 LPCVOID data;
62 } DLG_CONTROL_INFO;
64 /* Dialog template */
65 typedef struct
67 DWORD style;
68 DWORD exStyle;
69 DWORD helpId;
70 UINT16 nbItems;
71 INT16 x;
72 INT16 y;
73 INT16 cx;
74 INT16 cy;
75 LPCWSTR menuName;
76 LPCWSTR className;
77 LPCWSTR caption;
78 INT16 pointSize;
79 WORD weight;
80 BOOL italic;
81 LPCWSTR faceName;
82 BOOL dialogEx;
83 } DLG_TEMPLATE;
85 /* Radio button group */
86 typedef struct
88 UINT firstID;
89 UINT lastID;
90 UINT checkID;
91 } RADIOGROUP;
94 /*********************************************************************
95 * dialog class descriptor
97 const struct builtin_class_descr DIALOG_builtin_class =
99 DIALOG_CLASS_ATOMA, /* name */
100 CS_SAVEBITS | CS_DBLCLKS, /* style */
101 DefDlgProcA, /* procA */
102 DefDlgProcW, /* procW */
103 DLGWINDOWEXTRA, /* extra */
104 IDC_ARROW, /* cursor */
105 0 /* brush */
109 /***********************************************************************
110 * DIALOG_EnableOwner
112 * Helper function for modal dialogs to enable again the
113 * owner of the dialog box.
115 void DIALOG_EnableOwner( HWND hOwner )
117 /* Owner must be a top-level window */
118 if (hOwner)
119 hOwner = GetAncestor( hOwner, GA_ROOT );
120 if (!hOwner) return;
121 EnableWindow( hOwner, TRUE );
125 /***********************************************************************
126 * DIALOG_DisableOwner
128 * Helper function for modal dialogs to disable the
129 * owner of the dialog box. Returns TRUE if owner was enabled.
131 BOOL DIALOG_DisableOwner( HWND hOwner )
133 /* Owner must be a top-level window */
134 if (hOwner)
135 hOwner = GetAncestor( hOwner, GA_ROOT );
136 if (!hOwner) return FALSE;
137 if (IsWindowEnabled( hOwner ))
139 EnableWindow( hOwner, FALSE );
140 return TRUE;
142 else
143 return FALSE;
146 /***********************************************************************
147 * DIALOG_GetCharSize
149 * Despite most of MSDN insisting that the horizontal base unit is
150 * tmAveCharWidth it isn't. Knowledge base article Q145994
151 * "HOWTO: Calculate Dialog Units When Not Using the System Font",
152 * says that we should take the average of the 52 English upper and lower
153 * case characters.
155 BOOL DIALOG_GetCharSize( HDC hDC, HFONT hFont, SIZE * pSize )
157 HFONT hFontPrev = 0;
158 const char *alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
159 SIZE sz;
160 TEXTMETRICA tm;
162 if(!hDC) return FALSE;
164 if(hFont) hFontPrev = SelectObject(hDC, hFont);
165 if(!GetTextMetricsA(hDC, &tm)) return FALSE;
166 if(!GetTextExtentPointA(hDC, alphabet, 52, &sz)) return FALSE;
168 pSize->cy = tm.tmHeight;
169 pSize->cx = (sz.cx / 26 + 1) / 2;
171 if (hFontPrev) SelectObject(hDC, hFontPrev);
173 TRACE("dlg base units: %ld x %ld\n", pSize->cx, pSize->cy);
174 return TRUE;
178 /***********************************************************************
179 * DIALOG_GetControl32
181 * Return the class and text of the control pointed to by ptr,
182 * fill the header structure and return a pointer to the next control.
184 static const WORD *DIALOG_GetControl32( const WORD *p, DLG_CONTROL_INFO *info,
185 BOOL dialogEx )
187 if (dialogEx)
189 info->helpId = GET_DWORD(p); p += 2;
190 info->exStyle = GET_DWORD(p); p += 2;
191 info->style = GET_DWORD(p); p += 2;
193 else
195 info->helpId = 0;
196 info->style = GET_DWORD(p); p += 2;
197 info->exStyle = GET_DWORD(p); p += 2;
199 info->x = GET_WORD(p); p++;
200 info->y = GET_WORD(p); p++;
201 info->cx = GET_WORD(p); p++;
202 info->cy = GET_WORD(p); p++;
204 if (dialogEx)
206 /* id is a DWORD for DIALOGEX */
207 info->id = GET_DWORD(p);
208 p += 2;
210 else
212 info->id = GET_WORD(p);
213 p++;
216 if (GET_WORD(p) == 0xffff)
218 static const WCHAR class_names[6][10] =
220 { 'B','u','t','t','o','n', }, /* 0x80 */
221 { 'E','d','i','t', }, /* 0x81 */
222 { 'S','t','a','t','i','c', }, /* 0x82 */
223 { 'L','i','s','t','B','o','x', }, /* 0x83 */
224 { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
225 { 'C','o','m','b','o','B','o','x', } /* 0x85 */
227 WORD id = GET_WORD(p+1);
228 /* Windows treats dialog control class ids 0-5 same way as 0x80-0x85 */
229 if ((id >= 0x80) && (id <= 0x85)) id -= 0x80;
230 if (id <= 5)
231 info->className = class_names[id];
232 else
234 info->className = NULL;
235 ERR("Unknown built-in class id %04x\n", id );
237 p += 2;
239 else
241 info->className = (LPCWSTR)p;
242 p += strlenW( info->className ) + 1;
245 if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
247 info->windowName = (LPCWSTR)(UINT)GET_WORD(p + 1);
248 p += 2;
250 else
252 info->windowName = (LPCWSTR)p;
253 p += strlenW( info->windowName ) + 1;
256 TRACE(" %s %s %d, %d, %d, %d, %d, %08lx, %08lx, %08lx\n",
257 debugstr_w( info->className ), debugstr_w( info->windowName ),
258 info->id, info->x, info->y, info->cx, info->cy,
259 info->style, info->exStyle, info->helpId );
261 if (GET_WORD(p))
263 if (TRACE_ON(dialog))
265 WORD i, count = GET_WORD(p) / sizeof(WORD);
266 TRACE(" BEGIN\n");
267 TRACE(" ");
268 for (i = 0; i < count; i++) TRACE( "%04x,", GET_WORD(p+i+1) );
269 TRACE("\n");
270 TRACE(" END\n" );
272 info->data = p + 1;
273 p += GET_WORD(p) / sizeof(WORD);
275 else info->data = NULL;
276 p++;
278 /* Next control is on dword boundary */
279 return (const WORD *)((((int)p) + 3) & ~3);
283 /***********************************************************************
284 * DIALOG_CreateControls32
286 * Create the control windows for a dialog.
288 static BOOL DIALOG_CreateControls32( HWND hwnd, LPCSTR template, const DLG_TEMPLATE *dlgTemplate,
289 HINSTANCE hInst, BOOL unicode )
291 DIALOGINFO *dlgInfo = DIALOG_get_info( hwnd, TRUE );
292 DLG_CONTROL_INFO info;
293 HWND hwndCtrl, hwndDefButton = 0;
294 INT items = dlgTemplate->nbItems;
296 TRACE(" BEGIN\n" );
297 while (items--)
299 template = (LPCSTR)DIALOG_GetControl32( (WORD *)template, &info,
300 dlgTemplate->dialogEx );
301 /* Is this it? */
302 if (info.style & WS_BORDER)
304 info.style &= ~WS_BORDER;
305 info.exStyle |= WS_EX_CLIENTEDGE;
307 if (unicode)
309 hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
310 info.className, info.windowName,
311 info.style | WS_CHILD,
312 MulDiv(info.x, dlgInfo->xBaseUnit, 4),
313 MulDiv(info.y, dlgInfo->yBaseUnit, 8),
314 MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
315 MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
316 hwnd, (HMENU)info.id,
317 hInst, (LPVOID)info.data );
319 else
321 LPSTR class = (LPSTR)info.className;
322 LPSTR caption = (LPSTR)info.windowName;
324 if (HIWORD(class))
326 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.className, -1, NULL, 0, NULL, NULL );
327 class = HeapAlloc( GetProcessHeap(), 0, len );
328 WideCharToMultiByte( CP_ACP, 0, info.className, -1, class, len, NULL, NULL );
330 if (HIWORD(caption))
332 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, NULL, 0, NULL, NULL );
333 caption = HeapAlloc( GetProcessHeap(), 0, len );
334 WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, caption, len, NULL, NULL );
336 hwndCtrl = CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
337 class, caption, info.style | WS_CHILD,
338 MulDiv(info.x, dlgInfo->xBaseUnit, 4),
339 MulDiv(info.y, dlgInfo->yBaseUnit, 8),
340 MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
341 MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
342 hwnd, (HMENU)info.id,
343 hInst, (LPVOID)info.data );
344 if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
345 if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
347 if (!hwndCtrl)
349 if (dlgTemplate->style & DS_NOFAILCREATE) continue;
350 return FALSE;
353 /* Send initialisation messages to the control */
354 if (dlgInfo->hUserFont) SendMessageA( hwndCtrl, WM_SETFONT,
355 (WPARAM)dlgInfo->hUserFont, 0 );
356 if (SendMessageA(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
358 /* If there's already a default push-button, set it back */
359 /* to normal and use this one instead. */
360 if (hwndDefButton)
361 SendMessageA( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
362 hwndDefButton = hwndCtrl;
363 dlgInfo->idResult = GetWindowLongA( hwndCtrl, GWL_ID );
366 TRACE(" END\n" );
367 return TRUE;
371 /***********************************************************************
372 * DIALOG_ParseTemplate32
374 * Fill a DLG_TEMPLATE structure from the dialog template, and return
375 * a pointer to the first control.
377 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
379 const WORD *p = (const WORD *)template;
381 result->style = GET_DWORD(p); p += 2;
382 if (result->style == 0xffff0001) /* DIALOGEX resource */
384 result->dialogEx = TRUE;
385 result->helpId = GET_DWORD(p); p += 2;
386 result->exStyle = GET_DWORD(p); p += 2;
387 result->style = GET_DWORD(p); p += 2;
389 else
391 result->dialogEx = FALSE;
392 result->helpId = 0;
393 result->exStyle = GET_DWORD(p); p += 2;
395 result->nbItems = GET_WORD(p); p++;
396 result->x = GET_WORD(p); p++;
397 result->y = GET_WORD(p); p++;
398 result->cx = GET_WORD(p); p++;
399 result->cy = GET_WORD(p); p++;
400 TRACE("DIALOG%s %d, %d, %d, %d, %ld\n",
401 result->dialogEx ? "EX" : "", result->x, result->y,
402 result->cx, result->cy, result->helpId );
403 TRACE(" STYLE 0x%08lx\n", result->style );
404 TRACE(" EXSTYLE 0x%08lx\n", result->exStyle );
406 /* Get the menu name */
408 switch(GET_WORD(p))
410 case 0x0000:
411 result->menuName = NULL;
412 p++;
413 break;
414 case 0xffff:
415 result->menuName = (LPCWSTR)(UINT)GET_WORD( p + 1 );
416 p += 2;
417 TRACE(" MENU %04x\n", LOWORD(result->menuName) );
418 break;
419 default:
420 result->menuName = (LPCWSTR)p;
421 TRACE(" MENU %s\n", debugstr_w(result->menuName) );
422 p += strlenW( result->menuName ) + 1;
423 break;
426 /* Get the class name */
428 switch(GET_WORD(p))
430 case 0x0000:
431 result->className = DIALOG_CLASS_ATOMW;
432 p++;
433 break;
434 case 0xffff:
435 result->className = (LPCWSTR)(UINT)GET_WORD( p + 1 );
436 p += 2;
437 TRACE(" CLASS %04x\n", LOWORD(result->className) );
438 break;
439 default:
440 result->className = (LPCWSTR)p;
441 TRACE(" CLASS %s\n", debugstr_w( result->className ));
442 p += strlenW( result->className ) + 1;
443 break;
446 /* Get the window caption */
448 result->caption = (LPCWSTR)p;
449 p += strlenW( result->caption ) + 1;
450 TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
452 /* Get the font name */
454 if (result->style & DS_SETFONT)
456 result->pointSize = GET_WORD(p);
457 p++;
458 if (result->dialogEx)
460 result->weight = GET_WORD(p); p++;
461 result->italic = LOBYTE(GET_WORD(p)); p++;
463 else
465 result->weight = FW_DONTCARE;
466 result->italic = FALSE;
468 result->faceName = (LPCWSTR)p;
469 p += strlenW( result->faceName ) + 1;
470 TRACE(" FONT %d, %s, %d, %s\n",
471 result->pointSize, debugstr_w( result->faceName ),
472 result->weight, result->italic ? "TRUE" : "FALSE" );
475 /* First control is on dword boundary */
476 return (LPCSTR)((((int)p) + 3) & ~3);
480 /***********************************************************************
481 * DIALOG_CreateIndirect
482 * Creates a dialog box window
484 * modal = TRUE if we are called from a modal dialog box.
485 * (it's more compatible to do it here, as under Windows the owner
486 * is never disabled if the dialog fails because of an invalid template)
488 static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
489 HWND owner, DLGPROC dlgProc, LPARAM param,
490 BOOL unicode, BOOL modal )
492 HWND hwnd;
493 RECT rect;
494 DLG_TEMPLATE template;
495 DIALOGINFO * dlgInfo = NULL;
496 DWORD units = GetDialogBaseUnits();
497 BOOL ownerEnabled = TRUE;
498 HMENU hMenu = 0;
499 HFONT hUserFont = 0;
500 UINT flags = 0;
501 UINT xBaseUnit = LOWORD(units);
502 UINT yBaseUnit = HIWORD(units);
504 /* Parse dialog template */
506 if (!dlgTemplate) return 0;
507 dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
509 /* Load menu */
511 if (template.menuName) hMenu = LoadMenuW( hInst, template.menuName );
513 /* Create custom font if needed */
515 if (template.style & DS_SETFONT)
517 /* We convert the size to pixels and then make it -ve. This works
518 * for both +ve and -ve template.pointSize */
519 HDC dc;
520 int pixels;
521 dc = GetDC(0);
522 pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
523 hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
524 template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
525 PROOF_QUALITY, FF_DONTCARE,
526 template.faceName );
527 if (hUserFont)
529 SIZE charSize;
530 if (DIALOG_GetCharSize( dc, hUserFont, &charSize ))
532 xBaseUnit = charSize.cx;
533 yBaseUnit = charSize.cy;
536 ReleaseDC(0, dc);
537 TRACE("units = %d,%d\n", xBaseUnit, yBaseUnit );
540 /* Create dialog main window */
542 rect.left = rect.top = 0;
543 rect.right = MulDiv(template.cx, xBaseUnit, 4);
544 rect.bottom = MulDiv(template.cy, yBaseUnit, 8);
545 if (template.style & WS_CHILD)
546 template.style &= ~(WS_CAPTION|WS_SYSMENU);
547 if (template.style & DS_MODALFRAME)
548 template.exStyle |= WS_EX_DLGMODALFRAME;
549 if (template.style & DS_CONTROL)
550 template.exStyle |= WS_EX_CONTROLPARENT;
551 AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
552 rect.right -= rect.left;
553 rect.bottom -= rect.top;
555 if (template.x == CW_USEDEFAULT16)
557 rect.left = rect.top = CW_USEDEFAULT;
559 else
561 if (template.style & DS_CENTER)
563 rect.left = (GetSystemMetrics(SM_CXSCREEN) - rect.right) / 2;
564 rect.top = (GetSystemMetrics(SM_CYSCREEN) - rect.bottom) / 2;
566 else
568 rect.left += MulDiv(template.x, xBaseUnit, 4);
569 rect.top += MulDiv(template.y, yBaseUnit, 8);
571 if ( !(template.style & WS_CHILD) )
573 INT dX, dY;
575 if( !(template.style & DS_ABSALIGN) )
576 ClientToScreen( owner, (POINT *)&rect );
578 /* try to fit it into the desktop */
580 if( (dX = rect.left + rect.right + GetSystemMetrics(SM_CXDLGFRAME)
581 - GetSystemMetrics(SM_CXSCREEN)) > 0 ) rect.left -= dX;
582 if( (dY = rect.top + rect.bottom + GetSystemMetrics(SM_CYDLGFRAME)
583 - GetSystemMetrics(SM_CYSCREEN)) > 0 ) rect.top -= dY;
584 if( rect.left < 0 ) rect.left = 0;
585 if( rect.top < 0 ) rect.top = 0;
589 if (modal)
591 ownerEnabled = DIALOG_DisableOwner( owner );
592 if (ownerEnabled) flags |= DF_OWNERENABLED;
595 if (unicode)
597 hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
598 template.style & ~WS_VISIBLE,
599 rect.left, rect.top, rect.right, rect.bottom,
600 owner, hMenu, hInst, NULL );
602 else
604 LPSTR class = (LPSTR)template.className;
605 LPSTR caption = (LPSTR)template.caption;
607 if (HIWORD(class))
609 DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
610 class = HeapAlloc( GetProcessHeap(), 0, len );
611 WideCharToMultiByte( CP_ACP, 0, template.className, -1, class, len, NULL, NULL );
613 if (HIWORD(caption))
615 DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
616 caption = HeapAlloc( GetProcessHeap(), 0, len );
617 WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption, len, NULL, NULL );
619 hwnd = CreateWindowExA(template.exStyle, class, caption,
620 template.style & ~WS_VISIBLE,
621 rect.left, rect.top, rect.right, rect.bottom,
622 owner, hMenu, hInst, NULL );
623 if (HIWORD(class)) HeapFree( GetProcessHeap(), 0, class );
624 if (HIWORD(caption)) HeapFree( GetProcessHeap(), 0, caption );
627 if (!hwnd)
629 if (hUserFont) DeleteObject( hUserFont );
630 if (hMenu) DestroyMenu( hMenu );
631 if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
632 return 0;
635 /* moved this from the top of the method to here as DIALOGINFO structure
636 will be valid only after WM_CREATE message has been handled in DefDlgProc
637 All the members of the structure get filled here using temp variables */
638 dlgInfo = DIALOG_get_info( hwnd, TRUE );
639 dlgInfo->hwndFocus = 0;
640 dlgInfo->hUserFont = hUserFont;
641 dlgInfo->hMenu = hMenu;
642 dlgInfo->xBaseUnit = xBaseUnit;
643 dlgInfo->yBaseUnit = yBaseUnit;
644 dlgInfo->idResult = 0;
645 dlgInfo->flags = flags;
646 dlgInfo->hDialogHeap = 0;
648 if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
650 if (unicode) SetWindowLongW( hwnd, DWL_DLGPROC, (LONG)dlgProc );
651 else SetWindowLongA( hwnd, DWL_DLGPROC, (LONG)dlgProc );
653 if (dlgInfo->hUserFont)
654 SendMessageA( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
656 /* Create controls */
658 if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
660 /* Send initialisation messages and set focus */
662 if (SendMessageA( hwnd, WM_INITDIALOG, (WPARAM)dlgInfo->hwndFocus, param ))
664 /* By returning TRUE, app has requested a default focus assignment */
665 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE);
666 if( dlgInfo->hwndFocus )
667 SetFocus( dlgInfo->hwndFocus );
670 if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
672 ShowWindow( hwnd, SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
674 return hwnd;
676 if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
677 if( IsWindow(hwnd) ) DestroyWindow( hwnd );
678 return 0;
682 /***********************************************************************
683 * CreateDialogParamA (USER32.@)
685 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
686 DLGPROC dlgProc, LPARAM param )
688 HRSRC hrsrc;
689 LPCDLGTEMPLATEA ptr;
691 if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
692 if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
693 return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
697 /***********************************************************************
698 * CreateDialogParamW (USER32.@)
700 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
701 DLGPROC dlgProc, LPARAM param )
703 HRSRC hrsrc;
704 LPCDLGTEMPLATEA ptr;
706 if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
707 if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
708 return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
712 /***********************************************************************
713 * CreateDialogIndirectParamAorW (USER32.@)
715 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
716 HWND owner, DLGPROC dlgProc, LPARAM param,
717 DWORD flags )
719 return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
722 /***********************************************************************
723 * CreateDialogIndirectParamA (USER32.@)
725 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
726 HWND owner, DLGPROC dlgProc, LPARAM param )
728 return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
731 /***********************************************************************
732 * CreateDialogIndirectParamW (USER32.@)
734 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
735 HWND owner, DLGPROC dlgProc, LPARAM param )
737 return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
741 /***********************************************************************
742 * DIALOG_DoDialogBox
744 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
746 DIALOGINFO * dlgInfo;
747 MSG msg;
748 INT retval;
749 HWND ownerMsg = GetAncestor( owner, GA_ROOT );
750 BOOL bFirstEmpty;
752 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
754 bFirstEmpty = TRUE;
755 if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
757 for (;;)
759 if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
761 if (bFirstEmpty)
763 /* ShowWindow the first time the queue goes empty */
764 ShowWindow( hwnd, SW_SHOWNORMAL );
765 bFirstEmpty = FALSE;
767 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
769 /* No message present -> send ENTERIDLE and wait */
770 SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
772 if (!GetMessageW( &msg, 0, 0, 0 )) break;
775 if (!IsWindow( hwnd )) return -1;
776 if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
778 TranslateMessage( &msg );
779 DispatchMessageW( &msg );
781 if (dlgInfo->flags & DF_END) break;
784 if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
785 retval = dlgInfo->idResult;
786 DestroyWindow( hwnd );
787 return retval;
791 /***********************************************************************
792 * DialogBoxParamA (USER32.@)
794 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
795 HWND owner, DLGPROC dlgProc, LPARAM param )
797 HWND hwnd;
798 HRSRC hrsrc;
799 LPCDLGTEMPLATEA ptr;
801 if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
802 if (!(ptr = (LPCDLGTEMPLATEA)LoadResource(hInst, hrsrc))) return 0;
803 hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
804 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
805 return -1;
809 /***********************************************************************
810 * DialogBoxParamW (USER32.@)
812 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
813 HWND owner, DLGPROC dlgProc, LPARAM param )
815 HWND hwnd;
816 HRSRC hrsrc;
817 LPCDLGTEMPLATEW ptr;
819 if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
820 if (!(ptr = (LPCDLGTEMPLATEW)LoadResource(hInst, hrsrc))) return 0;
821 hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
822 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
823 return -1;
827 /***********************************************************************
828 * DialogBoxIndirectParamAorW (USER32.@)
830 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
831 HWND owner, DLGPROC dlgProc,
832 LPARAM param, DWORD flags )
834 HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
835 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
836 return -1;
839 /***********************************************************************
840 * DialogBoxIndirectParamA (USER32.@)
842 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
843 HWND owner, DLGPROC dlgProc, LPARAM param )
845 return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
849 /***********************************************************************
850 * DialogBoxIndirectParamW (USER32.@)
852 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
853 HWND owner, DLGPROC dlgProc, LPARAM param )
855 return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
858 /***********************************************************************
859 * EndDialog (USER32.@)
861 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
863 BOOL wasEnabled = TRUE;
864 DIALOGINFO * dlgInfo;
865 HWND owner;
867 TRACE("%p %d\n", hwnd, retval );
869 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
871 ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
872 return FALSE;
874 dlgInfo->idResult = retval;
875 dlgInfo->flags |= DF_END;
876 wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
878 if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
879 DIALOG_EnableOwner( owner );
881 /* Windows sets the focus to the dialog itself in EndDialog */
883 if (IsChild(hwnd, GetFocus()))
884 SetFocus( hwnd );
886 /* Don't have to send a ShowWindow(SW_HIDE), just do
887 SetWindowPos with SWP_HIDEWINDOW as done in Windows */
889 SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
890 | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
892 if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
894 /* unblock dialog loop */
895 PostMessageA(hwnd, WM_NULL, 0, 0);
896 return TRUE;
900 /***********************************************************************
901 * DIALOG_IsAccelerator
903 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
905 HWND hwndControl = hwnd;
906 HWND hwndNext;
907 INT dlgCode;
908 WCHAR buffer[128];
912 DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
913 if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
915 dlgCode = SendMessageA( hwndControl, WM_GETDLGCODE, 0, 0 );
916 if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
917 GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
919 /* find the accelerator key */
920 LPWSTR p = buffer - 2;
924 p = strchrW( p + 2, '&' );
926 while (p != NULL && p[1] == '&');
928 /* and check if it's the one we're looking for */
929 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
931 if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
933 /* set focus to the control */
934 SendMessageA( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
935 /* and bump it on to next */
936 SendMessageA( hwndDlg, WM_NEXTDLGCTL, 0, 0);
938 else if (dlgCode & DLGC_BUTTON)
940 /* send BM_CLICK message to the control */
941 SendMessageA( hwndControl, BM_CLICK, 0, 0 );
943 return TRUE;
946 hwndNext = GetWindow( hwndControl, GW_CHILD );
948 else hwndNext = 0;
950 if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
952 while (!hwndNext && hwndControl)
954 hwndControl = GetParent( hwndControl );
955 if (hwndControl == hwndDlg)
957 if(hwnd==hwndDlg) /* prevent endless loop */
959 hwndNext=hwnd;
960 break;
962 hwndNext = GetWindow( hwndDlg, GW_CHILD );
964 else
965 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
967 hwndControl = hwndNext;
969 while (hwndControl && (hwndControl != hwnd));
971 return FALSE;
974 /***********************************************************************
975 * DIALOG_FindMsgDestination
977 * The messages that IsDialogMessage sends may not go to the dialog
978 * calling IsDialogMessage if that dialog is a child, and it has the
979 * DS_CONTROL style set.
980 * We propagate up until we hit one that does not have DS_CONTROL, or
981 * whose parent is not a dialog.
983 * This is undocumented behaviour.
985 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
987 while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
989 WND *pParent;
990 HWND hParent = GetParent(hwndDlg);
991 if (!hParent) break;
993 pParent = WIN_FindWndPtr(hParent);
994 if (!pParent) break;
996 if (!(pParent->flags & WIN_ISDIALOG))
998 WIN_ReleaseWndPtr(pParent);
999 break;
1001 WIN_ReleaseWndPtr(pParent);
1003 hwndDlg = hParent;
1006 return hwndDlg;
1009 /***********************************************************************
1010 * DIALOG_FixOneChildOnChangeFocus
1012 * Callback helper for DIALOG_FixChildrenOnChangeFocus
1015 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1016 LPARAM lParam)
1018 /* If a default pushbutton then no longer default */
1019 if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1020 SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1021 return TRUE;
1024 /***********************************************************************
1025 * DIALOG_FixChildrenOnChangeFocus
1027 * Following the change of focus that occurs for example after handling
1028 * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1029 * children may be required.
1031 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1033 INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1034 /* INT dlgcode_dlg = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1035 /* Windows does ask for this. I don't know why yet */
1037 EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1039 /* If the button that is getting the focus WAS flagged as the default
1040 * pushbutton then ask the dialog what it thinks the default is and
1041 * set that in the default style.
1043 if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1045 DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1046 if (HIWORD(def_id) == DC_HASDEFID)
1048 HWND hwndDef;
1049 def_id = LOWORD(def_id);
1050 hwndDef = GetDlgItem (hwndDlg, def_id);
1051 if (hwndDef)
1053 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1054 /* I know that if it is a button then it should already be a
1055 * UNDEFPUSHBUTTON, since we have just told the buttons to
1056 * change style. But maybe they ignored our request
1058 if ((dlgcode_def & DLGC_BUTTON) &&
1059 (dlgcode_def & DLGC_UNDEFPUSHBUTTON))
1061 SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1066 else
1068 SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1069 /* I wonder why it doesn't send a DM_SETDEFID */
1073 /***********************************************************************
1074 * IsDialogMessageW (USER32.@)
1076 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1078 INT dlgCode = 0;
1080 if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1082 hwndDlg = WIN_GetFullHandle( hwndDlg );
1083 if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1085 hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1087 switch(msg->message)
1089 case WM_KEYDOWN:
1090 dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1091 if (dlgCode & DLGC_WANTMESSAGE) break;
1093 switch(msg->wParam)
1095 case VK_TAB:
1096 if (!(dlgCode & DLGC_WANTTAB))
1098 BOOL fIsDialog = TRUE;
1099 WND *pWnd = WIN_GetPtr( hwndDlg );
1101 if (pWnd && pWnd != WND_OTHER_PROCESS)
1103 fIsDialog = (pWnd->flags & WIN_ISDIALOG) != 0;
1104 WIN_ReleasePtr(pWnd);
1107 /* I am not sure under which circumstances the TAB is handled
1108 * each way. All I do know is that it does not always simply
1109 * send WM_NEXTDLGCTL. (Personally I have never yet seen it
1110 * do so but I presume someone has)
1112 if (fIsDialog)
1113 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1114 else
1116 /* It would appear that GetNextDlgTabItem can handle being
1117 * passed hwndDlg rather than NULL but that is undocumented
1118 * so let's do it properly
1120 HWND hwndFocus = GetFocus();
1121 HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1122 hwndFocus == hwndDlg ? NULL : hwndFocus,
1123 GetKeyState (VK_SHIFT) & 0x8000);
1124 if (hwndNext)
1126 dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1127 msg->wParam, (LPARAM)msg);
1128 if (dlgCode & DLGC_HASSETSEL)
1130 INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1131 WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1132 if (buffer)
1134 INT length;
1135 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1136 length = strlenW (buffer);
1137 HeapFree (GetProcessHeap(), 0, buffer);
1138 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1141 SetFocus (hwndNext);
1142 DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1144 else
1145 return FALSE;
1147 return TRUE;
1149 break;
1151 case VK_RIGHT:
1152 case VK_DOWN:
1153 case VK_LEFT:
1154 case VK_UP:
1155 if (!(dlgCode & DLGC_WANTARROWS))
1157 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1158 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1159 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1160 return TRUE;
1162 break;
1164 case VK_CANCEL:
1165 case VK_ESCAPE:
1166 SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1167 return TRUE;
1169 case VK_EXECUTE:
1170 case VK_RETURN:
1172 DWORD dw;
1173 if ((GetFocus() == msg->hwnd) &&
1174 (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1176 SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1178 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1180 SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
1181 (LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
1183 else
1185 SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1189 return TRUE;
1191 break;
1193 case WM_CHAR:
1194 /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1195 * It does NOT get sent in the test program I have
1197 dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1198 if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1199 if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1200 /* drop through */
1202 case WM_SYSCHAR:
1203 if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1205 /* don't translate or dispatch */
1206 return TRUE;
1208 break;
1211 TranslateMessage( msg );
1212 DispatchMessageW( msg );
1213 return TRUE;
1217 /***********************************************************************
1218 * GetDlgCtrlID (USER32.@)
1220 INT WINAPI GetDlgCtrlID( HWND hwnd )
1222 return GetWindowLongW( hwnd, GWL_ID );
1226 /***********************************************************************
1227 * GetDlgItem (USER32.@)
1229 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1231 int i;
1232 HWND *list = WIN_ListChildren( hwndDlg );
1233 HWND ret = 0;
1235 if (!list) return 0;
1237 for (i = 0; list[i]; i++) if (GetWindowLongW( list[i], GWL_ID ) == id) break;
1238 ret = list[i];
1239 HeapFree( GetProcessHeap(), 0, list );
1240 return ret;
1244 /*******************************************************************
1245 * SendDlgItemMessageA (USER32.@)
1247 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1248 WPARAM wParam, LPARAM lParam )
1250 HWND hwndCtrl = GetDlgItem( hwnd, id );
1251 if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1252 else return 0;
1256 /*******************************************************************
1257 * SendDlgItemMessageW (USER32.@)
1259 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1260 WPARAM wParam, LPARAM lParam )
1262 HWND hwndCtrl = GetDlgItem( hwnd, id );
1263 if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1264 else return 0;
1268 /*******************************************************************
1269 * SetDlgItemTextA (USER32.@)
1271 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1273 return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1277 /*******************************************************************
1278 * SetDlgItemTextW (USER32.@)
1280 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1282 return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1286 /***********************************************************************
1287 * GetDlgItemTextA (USER32.@)
1289 INT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, UINT len )
1291 return (INT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1292 len, (LPARAM)str );
1296 /***********************************************************************
1297 * GetDlgItemTextW (USER32.@)
1299 INT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, UINT len )
1301 return (INT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1302 len, (LPARAM)str );
1306 /*******************************************************************
1307 * SetDlgItemInt (USER32.@)
1309 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1310 BOOL fSigned )
1312 char str[20];
1314 if (fSigned) sprintf( str, "%d", (INT)value );
1315 else sprintf( str, "%u", value );
1316 SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1317 return TRUE;
1321 /***********************************************************************
1322 * GetDlgItemInt (USER32.@)
1324 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1325 BOOL fSigned )
1327 char str[30];
1328 char * endptr;
1329 long result = 0;
1331 if (translated) *translated = FALSE;
1332 if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1333 return 0;
1334 if (fSigned)
1336 result = strtol( str, &endptr, 10 );
1337 if (!endptr || (endptr == str)) /* Conversion was unsuccessful */
1338 return 0;
1339 if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1340 return 0;
1342 else
1344 result = strtoul( str, &endptr, 10 );
1345 if (!endptr || (endptr == str)) /* Conversion was unsuccessful */
1346 return 0;
1347 if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1349 if (translated) *translated = TRUE;
1350 return (UINT)result;
1354 /***********************************************************************
1355 * CheckDlgButton (USER32.@)
1357 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1359 SendDlgItemMessageA( hwnd, id, BM_SETCHECK, check, 0 );
1360 return TRUE;
1364 /***********************************************************************
1365 * IsDlgButtonChecked (USER32.@)
1367 UINT WINAPI IsDlgButtonChecked( HWND hwnd, UINT id )
1369 return (UINT)SendDlgItemMessageA( hwnd, id, BM_GETCHECK, 0, 0 );
1373 /***********************************************************************
1374 * CheckRB
1376 * Callback function used to check/uncheck radio buttons that fall
1377 * within a specific range of IDs.
1379 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1381 LONG lChildID = GetWindowLongA(hwndChild, GWL_ID);
1382 RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1384 if ((lChildID >= lpRadioGroup->firstID) &&
1385 (lChildID <= lpRadioGroup->lastID))
1387 if (lChildID == lpRadioGroup->checkID)
1389 SendMessageA(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1391 else
1393 SendMessageA(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1397 return TRUE;
1401 /***********************************************************************
1402 * CheckRadioButton (USER32.@)
1404 BOOL WINAPI CheckRadioButton( HWND hwndDlg, UINT firstID,
1405 UINT lastID, UINT checkID )
1407 RADIOGROUP radioGroup;
1409 radioGroup.firstID = firstID;
1410 radioGroup.lastID = lastID;
1411 radioGroup.checkID = checkID;
1413 return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
1414 (LPARAM)&radioGroup);
1418 /***********************************************************************
1419 * GetDialogBaseUnits (USER.243)
1420 * GetDialogBaseUnits (USER32.@)
1422 DWORD WINAPI GetDialogBaseUnits(void)
1424 static DWORD units;
1426 if (!units)
1428 HDC hdc;
1429 SIZE size;
1431 if ((hdc = GetDC(0)))
1433 if (DIALOG_GetCharSize( hdc, 0, &size )) units = MAKELONG( size.cx, size.cy );
1434 ReleaseDC( 0, hdc );
1436 TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1438 return units;
1442 /***********************************************************************
1443 * MapDialogRect (USER32.@)
1445 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1447 DIALOGINFO * dlgInfo;
1448 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
1449 rect->left = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1450 rect->right = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1451 rect->top = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1452 rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1453 return TRUE;
1457 /***********************************************************************
1458 * GetNextDlgGroupItem (USER32.@)
1460 * Corrections to MSDN documentation
1462 * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1463 * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1464 * 2. Prev of NULL or hwndDlg fails
1466 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1468 HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1469 BOOL fLooped=FALSE;
1470 BOOL fSkipping=FALSE;
1472 hwndDlg = WIN_GetFullHandle( hwndDlg );
1473 hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1475 if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1476 if (!hwndCtrl && fPrevious) return 0;
1478 if (hwndCtrl)
1480 if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1482 else
1484 /* No ctrl specified -> start from the beginning */
1485 if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1486 /* MSDN is wrong. fPrevious does not result in the last child */
1488 /* Maybe that first one is valid. If so then we don't want to skip it*/
1489 if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1491 return hwndCtrl;
1495 /* Always go forward around the group and list of controls; for the
1496 * previous control keep track; for the next break when you find one
1498 retvalue = hwndCtrl;
1499 hwnd = hwndCtrl;
1500 while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1503 while (!hwndNext)
1505 /* Climb out until there is a next sibling of the ancestor or we
1506 * reach the top (in which case we loop back to the start)
1508 if (hwndDlg == GetParent (hwnd))
1510 /* Wrap around to the beginning of the list, within the same
1511 * group. (Once only)
1513 if (fLooped) goto end;
1514 fLooped = TRUE;
1515 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1517 else
1519 hwnd = GetParent (hwnd);
1520 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1523 hwnd = hwndNext;
1525 /* Wander down the leading edge of controlparents */
1526 while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1527 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1528 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1529 hwnd = hwndNext;
1530 /* Question. If the control is a control parent but either has no
1531 * children or is not visible/enabled then if it has a WS_GROUP does
1532 * it count? For that matter does it count anyway?
1533 * I believe it doesn't count.
1536 if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1538 hwndLastGroup = hwnd;
1539 if (!fSkipping)
1541 /* Look for the beginning of the group */
1542 fSkipping = TRUE;
1546 if (hwnd == hwndCtrl)
1548 if (!fSkipping) break;
1549 if (hwndLastGroup == hwnd) break;
1550 hwnd = hwndLastGroup;
1551 fSkipping = FALSE;
1552 fLooped = FALSE;
1555 if (!fSkipping &&
1556 (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1557 WS_VISIBLE)
1559 retvalue = hwnd;
1560 if (!fPrevious) break;
1563 end:
1564 return retvalue;
1568 /***********************************************************************
1569 * DIALOG_GetNextTabItem
1571 * Recursive helper for GetNextDlgTabItem
1573 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1575 LONG dsStyle;
1576 LONG exStyle;
1577 UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1578 HWND retWnd = 0;
1579 HWND hChildFirst = 0;
1581 if(!hwndCtrl)
1583 hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1584 if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1586 else if (IsChild( hwndMain, hwndCtrl ))
1588 hChildFirst = GetWindow(hwndCtrl,wndSearch);
1589 if(!hChildFirst)
1591 if(GetParent(hwndCtrl) != hwndMain)
1592 /* i.e. if we are not at the top level of the recursion */
1593 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1594 else
1595 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1599 while(hChildFirst)
1601 dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1602 exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1603 if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1605 HWND retWnd;
1606 retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1607 if (retWnd) return (retWnd);
1609 else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1611 return (hChildFirst);
1613 hChildFirst = GetWindow(hChildFirst,wndSearch);
1615 if(hwndCtrl)
1617 HWND hParent = GetParent(hwndCtrl);
1618 while(hParent)
1620 if(hParent == hwndMain) break;
1621 retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1622 if(retWnd) break;
1623 hParent = GetParent(hParent);
1625 if(!retWnd)
1626 retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1628 return retWnd ? retWnd : hwndCtrl;
1631 /***********************************************************************
1632 * GetNextDlgTabItem (USER32.@)
1634 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1635 BOOL fPrevious )
1637 hwndDlg = WIN_GetFullHandle( hwndDlg );
1638 hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1640 /* Undocumented but tested under Win2000 and WinME */
1641 if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1643 /* Contrary to MSDN documentation, tested under Win2000 and WinME
1644 * NB GetLastError returns whatever was set before the function was
1645 * called.
1647 if (!hwndCtrl && fPrevious) return 0;
1649 return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1652 /**********************************************************************
1653 * DIALOG_DlgDirSelect
1655 * Helper function for DlgDirSelect*
1657 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPSTR str, INT len,
1658 INT id, BOOL unicode, BOOL combo )
1660 char *buffer, *ptr;
1661 INT item, size;
1662 BOOL ret;
1663 HWND listbox = GetDlgItem( hwnd, id );
1665 TRACE("%p '%s' %d\n", hwnd, str, id );
1666 if (!listbox) return FALSE;
1668 item = SendMessageA(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1669 if (item == LB_ERR) return FALSE;
1670 size = SendMessageA(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, 0, 0 );
1671 if (size == LB_ERR) return FALSE;
1673 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size+1 ))) return FALSE;
1675 SendMessageA( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1677 if ((ret = (buffer[0] == '['))) /* drive or directory */
1679 if (buffer[1] == '-') /* drive */
1681 buffer[3] = ':';
1682 buffer[4] = 0;
1683 ptr = buffer + 2;
1685 else
1687 buffer[strlen(buffer)-1] = '\\';
1688 ptr = buffer + 1;
1691 else ptr = buffer;
1693 if (unicode)
1695 if (len > 0 && !MultiByteToWideChar( CP_ACP, 0, ptr, -1, (LPWSTR)str, len ))
1696 ((LPWSTR)str)[len-1] = 0;
1698 else lstrcpynA( str, ptr, len );
1699 HeapFree( GetProcessHeap(), 0, buffer );
1700 TRACE("Returning %d '%s'\n", ret, str );
1701 return ret;
1705 /**********************************************************************
1706 * DIALOG_DlgDirListW
1708 * Helper function for DlgDirList*W
1710 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1711 INT idStatic, UINT attrib, BOOL combo )
1713 HWND hwnd;
1714 LPWSTR orig_spec = spec;
1715 WCHAR any[] = {'*','.','*',0};
1717 #define SENDMSG(msg,wparam,lparam) \
1718 ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1719 : SendMessageW( hwnd, msg, wparam, lparam ))
1721 TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1723 /* If the path exists and is a directory, chdir to it */
1724 if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1725 else
1727 WCHAR *p, *p2;
1728 p = spec;
1729 if ((p2 = strrchrW( p, '\\' ))) p = p2;
1730 if ((p2 = strrchrW( p, '/' ))) p = p2;
1731 if (p != spec)
1733 WCHAR sep = *p;
1734 *p = 0;
1735 if (!SetCurrentDirectoryW( spec ))
1737 *p = sep; /* Restore the original spec */
1738 return FALSE;
1740 spec = p + 1;
1744 TRACE( "mask=%s\n", debugstr_w(spec) );
1746 if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1748 SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1749 if (attrib & DDL_DIRECTORY)
1751 if (!(attrib & DDL_EXCLUSIVE))
1753 if (SENDMSG( combo ? CB_DIR : LB_DIR,
1754 attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1755 (LPARAM)spec ) == LB_ERR)
1756 return FALSE;
1758 if (SENDMSG( combo ? CB_DIR : LB_DIR,
1759 (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1760 (LPARAM)any ) == LB_ERR)
1761 return FALSE;
1763 else
1765 if (SENDMSG( combo ? CB_DIR : LB_DIR, attrib,
1766 (LPARAM)spec ) == LB_ERR)
1767 return FALSE;
1771 if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1773 WCHAR temp[MAX_PATH];
1774 GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1775 CharLowerW( temp );
1776 /* Can't use PostMessage() here, because the string is on the stack */
1777 SetDlgItemTextW( hDlg, idStatic, temp );
1780 if (orig_spec && (spec != orig_spec))
1782 /* Update the original file spec */
1783 WCHAR *p = spec;
1784 while ((*orig_spec++ = *p++));
1787 return TRUE;
1788 #undef SENDMSG
1792 /**********************************************************************
1793 * DIALOG_DlgDirListA
1795 * Helper function for DlgDirList*A
1797 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1798 INT idStatic, UINT attrib, BOOL combo )
1800 if (spec)
1802 INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1803 LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1804 MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1805 ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1806 WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1807 HeapFree( GetProcessHeap(), 0, specW );
1808 return ret;
1810 return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1814 /**********************************************************************
1815 * DlgDirSelectExA (USER32.@)
1817 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1819 return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, FALSE );
1823 /**********************************************************************
1824 * DlgDirSelectExW (USER32.@)
1826 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1828 return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, FALSE );
1832 /**********************************************************************
1833 * DlgDirSelectComboBoxExA (USER32.@)
1835 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1836 INT id )
1838 return DIALOG_DlgDirSelect( hwnd, str, len, id, FALSE, TRUE );
1842 /**********************************************************************
1843 * DlgDirSelectComboBoxExW (USER32.@)
1845 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1846 INT id)
1848 return DIALOG_DlgDirSelect( hwnd, (LPSTR)str, len, id, TRUE, TRUE );
1852 /**********************************************************************
1853 * DlgDirListA (USER32.@)
1855 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1856 INT idStatic, UINT attrib )
1858 return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1862 /**********************************************************************
1863 * DlgDirListW (USER32.@)
1865 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1866 INT idStatic, UINT attrib )
1868 return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1872 /**********************************************************************
1873 * DlgDirListComboBoxA (USER32.@)
1875 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1876 INT idStatic, UINT attrib )
1878 return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1882 /**********************************************************************
1883 * DlgDirListComboBoxW (USER32.@)
1885 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
1886 INT idStatic, UINT attrib )
1888 return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );