d3dx9: Avoid LPSTR.
[wine/multimedia.git] / dlls / user32 / dialog.c
blob497d545a79190f8bf04c4e34e146a78f30031343
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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/unicode.h"
38 #include "controls.h"
39 #include "win.h"
40 #include "user_private.h"
41 #include "wine/debug.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
46 /* Dialog control information */
47 typedef struct
49 DWORD style;
50 DWORD exStyle;
51 DWORD helpId;
52 INT16 x;
53 INT16 y;
54 INT16 cx;
55 INT16 cy;
56 UINT_PTR id;
57 LPCWSTR className;
58 LPCWSTR windowName;
59 LPCVOID data;
60 } DLG_CONTROL_INFO;
62 /* Dialog template */
63 typedef struct
65 DWORD style;
66 DWORD exStyle;
67 DWORD helpId;
68 UINT16 nbItems;
69 INT16 x;
70 INT16 y;
71 INT16 cx;
72 INT16 cy;
73 LPCWSTR menuName;
74 LPCWSTR className;
75 LPCWSTR caption;
76 INT16 pointSize;
77 WORD weight;
78 BOOL italic;
79 LPCWSTR faceName;
80 BOOL dialogEx;
81 } DLG_TEMPLATE;
83 /* Radio button group */
84 typedef struct
86 UINT firstID;
87 UINT lastID;
88 UINT checkID;
89 } RADIOGROUP;
92 /*********************************************************************
93 * dialog class descriptor
95 const struct builtin_class_descr DIALOG_builtin_class =
97 (LPCWSTR)DIALOG_CLASS_ATOM, /* name */
98 CS_SAVEBITS | CS_DBLCLKS, /* style */
99 WINPROC_DIALOG, /* proc */
100 DLGWINDOWEXTRA, /* extra */
101 IDC_ARROW, /* cursor */
102 0 /* brush */
106 /***********************************************************************
107 * DIALOG_EnableOwner
109 * Helper function for modal dialogs to enable again the
110 * owner of the dialog box.
112 static void DIALOG_EnableOwner( HWND hOwner )
114 /* Owner must be a top-level window */
115 if (hOwner)
116 hOwner = GetAncestor( hOwner, GA_ROOT );
117 if (!hOwner) return;
118 EnableWindow( hOwner, TRUE );
122 /***********************************************************************
123 * DIALOG_DisableOwner
125 * Helper function for modal dialogs to disable the
126 * owner of the dialog box. Returns TRUE if owner was enabled.
128 static BOOL DIALOG_DisableOwner( HWND hOwner )
130 /* Owner must be a top-level window */
131 if (hOwner)
132 hOwner = GetAncestor( hOwner, GA_ROOT );
133 if (!hOwner) return FALSE;
134 if (IsWindowEnabled( hOwner ))
136 EnableWindow( hOwner, FALSE );
137 return TRUE;
139 else
140 return FALSE;
143 /***********************************************************************
144 * DIALOG_GetControl32
146 * Return the class and text of the control pointed to by ptr,
147 * fill the header structure and return a pointer to the next control.
149 static const WORD *DIALOG_GetControl32( const WORD *p, DLG_CONTROL_INFO *info,
150 BOOL dialogEx )
152 if (dialogEx)
154 info->helpId = GET_DWORD(p); p += 2;
155 info->exStyle = GET_DWORD(p); p += 2;
156 info->style = GET_DWORD(p); p += 2;
158 else
160 info->helpId = 0;
161 info->style = GET_DWORD(p); p += 2;
162 info->exStyle = GET_DWORD(p); p += 2;
164 info->x = GET_WORD(p); p++;
165 info->y = GET_WORD(p); p++;
166 info->cx = GET_WORD(p); p++;
167 info->cy = GET_WORD(p); p++;
169 if (dialogEx)
171 /* id is a DWORD for DIALOGEX */
172 info->id = GET_DWORD(p);
173 p += 2;
175 else
177 info->id = GET_WORD(p);
178 p++;
181 if (GET_WORD(p) == 0xffff)
183 static const WCHAR class_names[6][10] =
185 { 'B','u','t','t','o','n', }, /* 0x80 */
186 { 'E','d','i','t', }, /* 0x81 */
187 { 'S','t','a','t','i','c', }, /* 0x82 */
188 { 'L','i','s','t','B','o','x', }, /* 0x83 */
189 { 'S','c','r','o','l','l','B','a','r', }, /* 0x84 */
190 { 'C','o','m','b','o','B','o','x', } /* 0x85 */
192 WORD id = GET_WORD(p+1);
193 /* Windows treats dialog control class ids 0-5 same way as 0x80-0x85 */
194 if ((id >= 0x80) && (id <= 0x85)) id -= 0x80;
195 if (id <= 5)
196 info->className = class_names[id];
197 else
199 info->className = NULL;
200 ERR("Unknown built-in class id %04x\n", id );
202 p += 2;
204 else
206 info->className = p;
207 p += strlenW( info->className ) + 1;
210 if (GET_WORD(p) == 0xffff) /* Is it an integer id? */
212 info->windowName = MAKEINTRESOURCEW(GET_WORD(p + 1));
213 p += 2;
215 else
217 info->windowName = p;
218 p += strlenW( info->windowName ) + 1;
221 TRACE(" %s %s %ld, %d, %d, %d, %d, %08x, %08x, %08x\n",
222 debugstr_w( info->className ), debugstr_w( info->windowName ),
223 info->id, info->x, info->y, info->cx, info->cy,
224 info->style, info->exStyle, info->helpId );
226 if (GET_WORD(p))
228 if (TRACE_ON(dialog))
230 WORD i, count = GET_WORD(p) / sizeof(WORD);
231 TRACE(" BEGIN\n");
232 TRACE(" ");
233 for (i = 0; i < count; i++) TRACE( "%04x,", GET_WORD(p+i+1) );
234 TRACE("\n");
235 TRACE(" END\n" );
237 info->data = p + 1;
238 p += GET_WORD(p) / sizeof(WORD);
240 else info->data = NULL;
241 p++;
243 /* Next control is on dword boundary */
244 return (const WORD *)(((UINT_PTR)p + 3) & ~3);
248 /***********************************************************************
249 * DIALOG_CreateControls32
251 * Create the control windows for a dialog.
253 static BOOL DIALOG_CreateControls32( HWND hwnd, LPCSTR template, const DLG_TEMPLATE *dlgTemplate,
254 HINSTANCE hInst, BOOL unicode )
256 DIALOGINFO *dlgInfo = DIALOG_get_info( hwnd, TRUE );
257 DLG_CONTROL_INFO info;
258 HWND hwndCtrl, hwndDefButton = 0;
259 INT items = dlgTemplate->nbItems;
261 TRACE(" BEGIN\n" );
262 while (items--)
264 template = (LPCSTR)DIALOG_GetControl32( (const WORD *)template, &info,
265 dlgTemplate->dialogEx );
266 info.style &= ~WS_POPUP;
267 info.style |= WS_CHILD;
269 if (info.style & WS_BORDER)
271 info.style &= ~WS_BORDER;
272 info.exStyle |= WS_EX_CLIENTEDGE;
274 if (unicode)
276 hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
277 info.className, info.windowName,
278 info.style | WS_CHILD,
279 MulDiv(info.x, dlgInfo->xBaseUnit, 4),
280 MulDiv(info.y, dlgInfo->yBaseUnit, 8),
281 MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
282 MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
283 hwnd, (HMENU)info.id,
284 hInst, (LPVOID)info.data );
286 else
288 LPCSTR class = (LPCSTR)info.className;
289 LPCSTR caption = (LPCSTR)info.windowName;
290 LPSTR class_tmp = NULL;
291 LPSTR caption_tmp = NULL;
293 if (!IS_INTRESOURCE(class))
295 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.className, -1, NULL, 0, NULL, NULL );
296 class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
297 WideCharToMultiByte( CP_ACP, 0, info.className, -1, class_tmp, len, NULL, NULL );
298 class = class_tmp;
300 if (!IS_INTRESOURCE(caption))
302 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, NULL, 0, NULL, NULL );
303 caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
304 WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, caption_tmp, len, NULL, NULL );
305 caption = caption_tmp;
307 hwndCtrl = CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
308 class, caption, info.style | WS_CHILD,
309 MulDiv(info.x, dlgInfo->xBaseUnit, 4),
310 MulDiv(info.y, dlgInfo->yBaseUnit, 8),
311 MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
312 MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
313 hwnd, (HMENU)info.id,
314 hInst, (LPVOID)info.data );
315 HeapFree( GetProcessHeap(), 0, class_tmp );
316 HeapFree( GetProcessHeap(), 0, caption_tmp );
318 if (!hwndCtrl)
320 WARN("control %s %s creation failed\n", debugstr_w(info.className),
321 debugstr_w(info.windowName));
322 if (dlgTemplate->style & DS_NOFAILCREATE) continue;
323 return FALSE;
326 /* Send initialisation messages to the control */
327 if (dlgInfo->hUserFont) SendMessageW( hwndCtrl, WM_SETFONT,
328 (WPARAM)dlgInfo->hUserFont, 0 );
329 if (SendMessageW(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
331 /* If there's already a default push-button, set it back */
332 /* to normal and use this one instead. */
333 if (hwndDefButton)
334 SendMessageW( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
335 hwndDefButton = hwndCtrl;
336 dlgInfo->idResult = GetWindowLongPtrA( hwndCtrl, GWLP_ID );
339 TRACE(" END\n" );
340 return TRUE;
344 /***********************************************************************
345 * DIALOG_ParseTemplate32
347 * Fill a DLG_TEMPLATE structure from the dialog template, and return
348 * a pointer to the first control.
350 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
352 const WORD *p = (const WORD *)template;
353 WORD signature;
354 WORD dlgver;
356 dlgver = GET_WORD(p); p++;
357 signature = GET_WORD(p); p++;
359 if (dlgver == 1 && signature == 0xffff) /* DIALOGEX resource */
361 result->dialogEx = TRUE;
362 result->helpId = GET_DWORD(p); p += 2;
363 result->exStyle = GET_DWORD(p); p += 2;
364 result->style = GET_DWORD(p); p += 2;
366 else
368 result->style = GET_DWORD(p - 2);
369 result->dialogEx = FALSE;
370 result->helpId = 0;
371 result->exStyle = GET_DWORD(p); p += 2;
373 result->nbItems = GET_WORD(p); p++;
374 result->x = GET_WORD(p); p++;
375 result->y = GET_WORD(p); p++;
376 result->cx = GET_WORD(p); p++;
377 result->cy = GET_WORD(p); p++;
378 TRACE("DIALOG%s %d, %d, %d, %d, %d\n",
379 result->dialogEx ? "EX" : "", result->x, result->y,
380 result->cx, result->cy, result->helpId );
381 TRACE(" STYLE 0x%08x\n", result->style );
382 TRACE(" EXSTYLE 0x%08x\n", result->exStyle );
384 /* Get the menu name */
386 switch(GET_WORD(p))
388 case 0x0000:
389 result->menuName = NULL;
390 p++;
391 break;
392 case 0xffff:
393 result->menuName = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
394 p += 2;
395 TRACE(" MENU %04x\n", LOWORD(result->menuName) );
396 break;
397 default:
398 result->menuName = p;
399 TRACE(" MENU %s\n", debugstr_w(result->menuName) );
400 p += strlenW( result->menuName ) + 1;
401 break;
404 /* Get the class name */
406 switch(GET_WORD(p))
408 case 0x0000:
409 result->className = (LPCWSTR)DIALOG_CLASS_ATOM;
410 p++;
411 break;
412 case 0xffff:
413 result->className = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
414 p += 2;
415 TRACE(" CLASS %04x\n", LOWORD(result->className) );
416 break;
417 default:
418 result->className = p;
419 TRACE(" CLASS %s\n", debugstr_w( result->className ));
420 p += strlenW( result->className ) + 1;
421 break;
424 /* Get the window caption */
426 result->caption = p;
427 p += strlenW( result->caption ) + 1;
428 TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
430 /* Get the font name */
432 result->pointSize = 0;
433 result->faceName = NULL;
434 result->weight = FW_DONTCARE;
435 result->italic = FALSE;
437 if (result->style & DS_SETFONT)
439 result->pointSize = GET_WORD(p);
440 p++;
442 /* If pointSize is 0x7fff, it means that we need to use the font
443 * in NONCLIENTMETRICSW.lfMessageFont, and NOT read the weight,
444 * italic, and facename from the dialog template.
446 if (result->pointSize == 0x7fff)
448 /* We could call SystemParametersInfo here, but then we'd have
449 * to convert from pixel size to point size (which can be
450 * imprecise).
452 TRACE(" FONT: Using message box font\n");
454 else
456 if (result->dialogEx)
458 result->weight = GET_WORD(p); p++;
459 result->italic = LOBYTE(GET_WORD(p)); p++;
461 result->faceName = p;
462 p += strlenW( result->faceName ) + 1;
464 TRACE(" FONT %d, %s, %d, %s\n",
465 result->pointSize, debugstr_w( result->faceName ),
466 result->weight, result->italic ? "TRUE" : "FALSE" );
470 /* First control is on dword boundary */
471 return (LPCSTR)(((UINT_PTR)p + 3) & ~3);
475 /***********************************************************************
476 * DIALOG_CreateIndirect
477 * Creates a dialog box window
479 * modal = TRUE if we are called from a modal dialog box.
480 * (it's more compatible to do it here, as under Windows the owner
481 * is never disabled if the dialog fails because of an invalid template)
483 static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
484 HWND owner, DLGPROC dlgProc, LPARAM param,
485 BOOL unicode, BOOL modal )
487 HWND hwnd;
488 RECT rect;
489 POINT pos;
490 SIZE size;
491 DLG_TEMPLATE template;
492 DIALOGINFO * dlgInfo = NULL;
493 DWORD units = GetDialogBaseUnits();
494 BOOL ownerEnabled = TRUE;
495 HMENU hMenu = 0;
496 HFONT hUserFont = 0;
497 UINT flags = 0;
498 UINT xBaseUnit = LOWORD(units);
499 UINT yBaseUnit = HIWORD(units);
501 /* Parse dialog template */
503 if (!dlgTemplate) return 0;
504 dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
506 /* Load menu */
508 if (template.menuName) hMenu = LoadMenuW( hInst, template.menuName );
510 /* Create custom font if needed */
512 if (template.style & DS_SETFONT)
514 HDC dc = GetDC(0);
516 if (template.pointSize == 0x7fff)
518 /* We get the message font from the non-client metrics */
519 NONCLIENTMETRICSW ncMetrics;
521 ncMetrics.cbSize = sizeof(NONCLIENTMETRICSW);
522 if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
523 sizeof(NONCLIENTMETRICSW), &ncMetrics, 0))
525 hUserFont = CreateFontIndirectW( &ncMetrics.lfMessageFont );
528 else
530 /* We convert the size to pixels and then make it -ve. This works
531 * for both +ve and -ve template.pointSize */
532 int pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
533 hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
534 template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
535 PROOF_QUALITY, FF_DONTCARE,
536 template.faceName );
539 if (hUserFont)
541 SIZE charSize;
542 HFONT hOldFont = SelectObject( dc, hUserFont );
543 charSize.cx = GdiGetCharDimensions( dc, NULL, &charSize.cy );
544 if (charSize.cx)
546 xBaseUnit = charSize.cx;
547 yBaseUnit = charSize.cy;
549 SelectObject( dc, hOldFont );
551 ReleaseDC(0, dc);
552 TRACE("units = %d,%d\n", xBaseUnit, yBaseUnit );
555 /* Create dialog main window */
557 rect.left = rect.top = 0;
558 rect.right = MulDiv(template.cx, xBaseUnit, 4);
559 rect.bottom = MulDiv(template.cy, yBaseUnit, 8);
561 if (template.style & DS_CONTROL)
562 template.style &= ~(WS_CAPTION|WS_SYSMENU);
563 template.style |= DS_3DLOOK;
564 if (template.style & DS_MODALFRAME)
565 template.exStyle |= WS_EX_DLGMODALFRAME;
566 if ((template.style & DS_CONTROL) || !(template.style & WS_CHILD))
567 template.exStyle |= WS_EX_CONTROLPARENT;
568 AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
569 pos.x = rect.left;
570 pos.y = rect.top;
571 size.cx = rect.right - rect.left;
572 size.cy = rect.bottom - rect.top;
574 if (template.x == (SHORT)0x8000 /*CW_USEDEFAULT16*/)
576 pos.x = pos.y = CW_USEDEFAULT;
578 else
580 HMONITOR monitor = 0;
581 MONITORINFO mon_info;
583 mon_info.cbSize = sizeof(mon_info);
584 if (template.style & DS_CENTER)
586 monitor = MonitorFromWindow( owner ? owner : GetActiveWindow(), MONITOR_DEFAULTTOPRIMARY );
587 GetMonitorInfoW( monitor, &mon_info );
588 pos.x = (mon_info.rcWork.left + mon_info.rcWork.right - size.cx) / 2;
589 pos.y = (mon_info.rcWork.top + mon_info.rcWork.bottom - size.cy) / 2;
591 else if (template.style & DS_CENTERMOUSE)
593 GetCursorPos( &pos );
594 monitor = MonitorFromPoint( pos, MONITOR_DEFAULTTOPRIMARY );
595 GetMonitorInfoW( monitor, &mon_info );
597 else
599 pos.x += MulDiv(template.x, xBaseUnit, 4);
600 pos.y += MulDiv(template.y, yBaseUnit, 8);
601 if (!(template.style & (WS_CHILD|DS_ABSALIGN))) ClientToScreen( owner, &pos );
603 if ( !(template.style & WS_CHILD) )
605 INT dX, dY;
607 /* try to fit it into the desktop */
609 if (!monitor)
611 SetRect( &rect, pos.x, pos.y, pos.x + size.cx, pos.y + size.cy );
612 monitor = MonitorFromRect( &rect, MONITOR_DEFAULTTOPRIMARY );
613 GetMonitorInfoW( monitor, &mon_info );
615 if ((dX = pos.x + size.cx + GetSystemMetrics(SM_CXDLGFRAME) - mon_info.rcWork.right) > 0)
616 pos.x -= dX;
617 if ((dY = pos.y + size.cy + GetSystemMetrics(SM_CYDLGFRAME) - mon_info.rcWork.bottom) > 0)
618 pos.y -= dY;
619 if( pos.x < mon_info.rcWork.left ) pos.x = mon_info.rcWork.left;
620 if( pos.y < mon_info.rcWork.top ) pos.y = mon_info.rcWork.top;
624 if (modal)
626 ownerEnabled = DIALOG_DisableOwner( owner );
627 if (ownerEnabled) flags |= DF_OWNERENABLED;
630 if (unicode)
632 hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
633 template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
634 owner, hMenu, hInst, NULL );
636 else
638 LPCSTR class = (LPCSTR)template.className;
639 LPCSTR caption = (LPCSTR)template.caption;
640 LPSTR class_tmp = NULL;
641 LPSTR caption_tmp = NULL;
643 if (!IS_INTRESOURCE(class))
645 DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
646 class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
647 WideCharToMultiByte( CP_ACP, 0, template.className, -1, class_tmp, len, NULL, NULL );
648 class = class_tmp;
650 if (!IS_INTRESOURCE(caption))
652 DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
653 caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
654 WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption_tmp, len, NULL, NULL );
655 caption = caption_tmp;
657 hwnd = CreateWindowExA(template.exStyle, class, caption,
658 template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
659 owner, hMenu, hInst, NULL );
660 HeapFree( GetProcessHeap(), 0, class_tmp );
661 HeapFree( GetProcessHeap(), 0, caption_tmp );
664 if (!hwnd)
666 if (hUserFont) DeleteObject( hUserFont );
667 if (hMenu) DestroyMenu( hMenu );
668 if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
669 return 0;
672 /* moved this from the top of the method to here as DIALOGINFO structure
673 will be valid only after WM_CREATE message has been handled in DefDlgProc
674 All the members of the structure get filled here using temp variables */
675 dlgInfo = DIALOG_get_info( hwnd, TRUE );
676 dlgInfo->hwndFocus = 0;
677 dlgInfo->hUserFont = hUserFont;
678 dlgInfo->hMenu = hMenu;
679 dlgInfo->xBaseUnit = xBaseUnit;
680 dlgInfo->yBaseUnit = yBaseUnit;
681 dlgInfo->flags = flags;
683 if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
685 if (unicode) SetWindowLongPtrW( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
686 else SetWindowLongPtrA( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
688 if (dlgProc && dlgInfo->hUserFont)
689 SendMessageW( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
691 /* Create controls */
693 if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
695 /* Send initialisation messages and set focus */
697 if (dlgProc)
699 HWND focus = GetNextDlgTabItem( hwnd, 0, FALSE );
700 if (!focus) focus = GetNextDlgGroupItem( hwnd, 0, FALSE );
701 if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)focus, param ) && IsWindow( hwnd ) &&
702 ((~template.style & DS_CONTROL) || (template.style & WS_VISIBLE)))
704 /* By returning TRUE, app has requested a default focus assignment.
705 * WM_INITDIALOG may have changed the tab order, so find the first
706 * tabstop control again. */
707 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
708 if (!dlgInfo->hwndFocus) dlgInfo->hwndFocus = GetNextDlgGroupItem( hwnd, 0, FALSE );
709 if( dlgInfo->hwndFocus )
710 SetFocus( dlgInfo->hwndFocus );
714 if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
716 ShowWindow( hwnd, SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
718 return hwnd;
720 if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
721 if( IsWindow(hwnd) ) DestroyWindow( hwnd );
722 return 0;
726 /***********************************************************************
727 * CreateDialogParamA (USER32.@)
729 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
730 DLGPROC dlgProc, LPARAM param )
732 HRSRC hrsrc;
733 LPCDLGTEMPLATEA ptr;
735 if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
736 if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
737 return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
741 /***********************************************************************
742 * CreateDialogParamW (USER32.@)
744 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
745 DLGPROC dlgProc, LPARAM param )
747 HRSRC hrsrc;
748 LPCDLGTEMPLATEA ptr;
750 if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
751 if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
752 return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
756 /***********************************************************************
757 * CreateDialogIndirectParamAorW (USER32.@)
759 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
760 HWND owner, DLGPROC dlgProc, LPARAM param,
761 DWORD flags )
763 return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
766 /***********************************************************************
767 * CreateDialogIndirectParamA (USER32.@)
769 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
770 HWND owner, DLGPROC dlgProc, LPARAM param )
772 return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
775 /***********************************************************************
776 * CreateDialogIndirectParamW (USER32.@)
778 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
779 HWND owner, DLGPROC dlgProc, LPARAM param )
781 return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
785 /***********************************************************************
786 * DIALOG_DoDialogBox
788 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
790 DIALOGINFO * dlgInfo;
791 MSG msg;
792 INT retval;
793 HWND ownerMsg = GetAncestor( owner, GA_ROOT );
794 BOOL bFirstEmpty;
796 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
798 bFirstEmpty = TRUE;
799 if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
801 for (;;)
803 if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
805 if (bFirstEmpty)
807 /* ShowWindow the first time the queue goes empty */
808 ShowWindow( hwnd, SW_SHOWNORMAL );
809 bFirstEmpty = FALSE;
811 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
813 /* No message present -> send ENTERIDLE and wait */
814 SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
816 GetMessageW( &msg, 0, 0, 0 );
819 if (msg.message == WM_QUIT)
821 PostQuitMessage( msg.wParam );
822 if (!IsWindow( hwnd )) return 0;
823 break;
825 if (!IsWindow( hwnd )) return 0;
826 if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
828 TranslateMessage( &msg );
829 DispatchMessageW( &msg );
831 if (!IsWindow( hwnd )) return 0;
832 if (dlgInfo->flags & DF_END) break;
834 if (bFirstEmpty && msg.message == WM_TIMER)
836 ShowWindow( hwnd, SW_SHOWNORMAL );
837 bFirstEmpty = FALSE;
841 if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
842 retval = dlgInfo->idResult;
843 DestroyWindow( hwnd );
844 return retval;
848 /***********************************************************************
849 * DialogBoxParamA (USER32.@)
851 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
852 HWND owner, DLGPROC dlgProc, LPARAM param )
854 HWND hwnd;
855 HRSRC hrsrc;
856 LPCDLGTEMPLATEA ptr;
858 if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return -1;
859 if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
860 hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
861 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
862 return 0;
866 /***********************************************************************
867 * DialogBoxParamW (USER32.@)
869 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
870 HWND owner, DLGPROC dlgProc, LPARAM param )
872 HWND hwnd;
873 HRSRC hrsrc;
874 LPCDLGTEMPLATEW ptr;
876 if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return -1;
877 if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
878 hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
879 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
880 return 0;
884 /***********************************************************************
885 * DialogBoxIndirectParamAorW (USER32.@)
887 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
888 HWND owner, DLGPROC dlgProc,
889 LPARAM param, DWORD flags )
891 HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
892 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
893 return -1;
896 /***********************************************************************
897 * DialogBoxIndirectParamA (USER32.@)
899 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
900 HWND owner, DLGPROC dlgProc, LPARAM param )
902 return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
906 /***********************************************************************
907 * DialogBoxIndirectParamW (USER32.@)
909 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
910 HWND owner, DLGPROC dlgProc, LPARAM param )
912 return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
915 /***********************************************************************
916 * EndDialog (USER32.@)
918 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
920 BOOL wasEnabled = TRUE;
921 DIALOGINFO * dlgInfo;
922 HWND owner;
924 TRACE("%p %ld\n", hwnd, retval );
926 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
928 ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
929 return FALSE;
931 dlgInfo->idResult = retval;
932 dlgInfo->flags |= DF_END;
933 wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
935 owner = GetWindow( hwnd, GW_OWNER );
936 if (wasEnabled && owner)
937 DIALOG_EnableOwner( owner );
939 /* Windows sets the focus to the dialog itself in EndDialog */
941 if (IsChild(hwnd, GetFocus()))
942 SetFocus( hwnd );
944 /* Don't have to send a ShowWindow(SW_HIDE), just do
945 SetWindowPos with SWP_HIDEWINDOW as done in Windows */
947 SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
948 | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
950 if (hwnd == GetActiveWindow())
952 /* If this dialog was given an owner then set the focus to that owner
953 even when the owner is disabled (normally when a window closes any
954 disabled windows cannot receive the focus). */
955 if (owner)
956 SetForegroundWindow( owner );
957 else
958 WINPOS_ActivateOtherWindow( hwnd );
961 /* unblock dialog loop */
962 PostMessageA(hwnd, WM_NULL, 0, 0);
963 return TRUE;
967 /***********************************************************************
968 * DIALOG_IsAccelerator
970 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
972 HWND hwndControl = hwnd;
973 HWND hwndNext;
974 INT dlgCode;
975 WCHAR buffer[128];
979 DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
980 if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
982 dlgCode = SendMessageW( hwndControl, WM_GETDLGCODE, 0, 0 );
983 if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
984 GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
986 /* find the accelerator key */
987 LPWSTR p = buffer - 2;
991 p = strchrW( p + 2, '&' );
993 while (p != NULL && p[1] == '&');
995 /* and check if it's the one we're looking for */
996 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
998 if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
1000 /* set focus to the control */
1001 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
1002 /* and bump it on to next */
1003 SendMessageW( hwndDlg, WM_NEXTDLGCTL, 0, 0);
1005 else if (dlgCode & DLGC_BUTTON)
1007 /* send BM_CLICK message to the control */
1008 SendMessageW( hwndControl, BM_CLICK, 0, 0 );
1010 return TRUE;
1013 hwndNext = GetWindow( hwndControl, GW_CHILD );
1015 else hwndNext = 0;
1017 if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1019 while (!hwndNext && hwndControl)
1021 hwndControl = GetParent( hwndControl );
1022 if (hwndControl == hwndDlg)
1024 if(hwnd==hwndDlg) /* prevent endless loop */
1026 hwndNext=hwnd;
1027 break;
1029 hwndNext = GetWindow( hwndDlg, GW_CHILD );
1031 else
1032 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1034 hwndControl = hwndNext;
1036 while (hwndControl && (hwndControl != hwnd));
1038 return FALSE;
1041 /***********************************************************************
1042 * DIALOG_FindMsgDestination
1044 * The messages that IsDialogMessage sends may not go to the dialog
1045 * calling IsDialogMessage if that dialog is a child, and it has the
1046 * DS_CONTROL style set.
1047 * We propagate up until we hit one that does not have DS_CONTROL, or
1048 * whose parent is not a dialog.
1050 * This is undocumented behaviour.
1052 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
1054 while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
1056 WND *pParent;
1057 HWND hParent = GetParent(hwndDlg);
1058 if (!hParent) break;
1060 pParent = WIN_GetPtr(hParent);
1061 if (!pParent || pParent == WND_OTHER_PROCESS || pParent == WND_DESKTOP) break;
1063 if (!pParent->dlgInfo)
1065 WIN_ReleasePtr(pParent);
1066 break;
1068 WIN_ReleasePtr(pParent);
1070 hwndDlg = hParent;
1073 return hwndDlg;
1076 /***********************************************************************
1077 * DIALOG_FixOneChildOnChangeFocus
1079 * Callback helper for DIALOG_FixChildrenOnChangeFocus
1082 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1083 LPARAM lParam)
1085 /* If a default pushbutton then no longer default */
1086 if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1087 SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1088 return TRUE;
1091 /***********************************************************************
1092 * DIALOG_FixChildrenOnChangeFocus
1094 * Following the change of focus that occurs for example after handling
1095 * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1096 * children may be required.
1098 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1100 INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1101 /* INT dlgcode_dlg = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1102 /* Windows does ask for this. I don't know why yet */
1104 EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1106 /* If the button that is getting the focus WAS flagged as the default
1107 * pushbutton then ask the dialog what it thinks the default is and
1108 * set that in the default style.
1110 if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1112 DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1113 if (HIWORD(def_id) == DC_HASDEFID)
1115 HWND hwndDef;
1116 def_id = LOWORD(def_id);
1117 hwndDef = GetDlgItem (hwndDlg, def_id);
1118 if (hwndDef)
1120 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1121 /* I know that if it is a button then it should already be a
1122 * UNDEFPUSHBUTTON, since we have just told the buttons to
1123 * change style. But maybe they ignored our request
1125 if ((dlgcode_def & DLGC_BUTTON) &&
1126 (dlgcode_def & DLGC_UNDEFPUSHBUTTON))
1128 SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1133 else if ((dlgcode_next & DLGC_BUTTON) && (dlgcode_next & DLGC_UNDEFPUSHBUTTON))
1135 SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1136 /* I wonder why it doesn't send a DM_SETDEFID */
1140 /***********************************************************************
1141 * DIALOG_IdToHwnd
1143 * A recursive version of GetDlgItem
1145 * RETURNS
1146 * The HWND for a Child ID.
1148 static HWND DIALOG_IdToHwnd( HWND hwndDlg, INT id )
1150 int i;
1151 HWND *list = WIN_ListChildren( hwndDlg );
1152 HWND ret = 0;
1154 if (!list) return 0;
1156 for (i = 0; list[i]; i++)
1158 if (GetWindowLongPtrW( list[i], GWLP_ID ) == id)
1160 ret = list[i];
1161 break;
1164 /* Recurse into every child */
1165 if ((ret = DIALOG_IdToHwnd( list[i], id ))) break;
1168 HeapFree( GetProcessHeap(), 0, list );
1169 return ret;
1172 /***********************************************************************
1173 * IsDialogMessageW (USER32.@)
1175 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1177 INT dlgCode = 0;
1179 if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1181 hwndDlg = WIN_GetFullHandle( hwndDlg );
1182 if (is_desktop_window(hwndDlg)) return FALSE;
1183 if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1185 hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1187 switch(msg->message)
1189 case WM_KEYDOWN:
1190 dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1191 if (dlgCode & (DLGC_WANTMESSAGE)) break;
1193 switch(msg->wParam)
1195 case VK_TAB:
1196 if (!(dlgCode & DLGC_WANTTAB))
1198 BOOL fIsDialog = TRUE;
1199 WND *pWnd = WIN_GetPtr( hwndDlg );
1201 if (pWnd && pWnd != WND_OTHER_PROCESS)
1203 fIsDialog = (pWnd->dlgInfo != NULL);
1204 WIN_ReleasePtr(pWnd);
1207 /* I am not sure under which circumstances the TAB is handled
1208 * each way. All I do know is that it does not always simply
1209 * send WM_NEXTDLGCTL. (Personally I have never yet seen it
1210 * do so but I presume someone has)
1212 if (fIsDialog)
1213 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1214 else
1216 /* It would appear that GetNextDlgTabItem can handle being
1217 * passed hwndDlg rather than NULL but that is undocumented
1218 * so let's do it properly
1220 HWND hwndFocus = GetFocus();
1221 HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1222 hwndFocus == hwndDlg ? NULL : hwndFocus,
1223 GetKeyState (VK_SHIFT) & 0x8000);
1224 if (hwndNext)
1226 dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1227 msg->wParam, (LPARAM)msg);
1228 if (dlgCode & DLGC_HASSETSEL)
1230 INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1231 WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1232 if (buffer)
1234 INT length;
1235 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1236 length = strlenW (buffer);
1237 HeapFree (GetProcessHeap(), 0, buffer);
1238 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1241 SetFocus (hwndNext);
1242 DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1244 else
1245 return FALSE;
1247 return TRUE;
1249 break;
1251 case VK_RIGHT:
1252 case VK_DOWN:
1253 case VK_LEFT:
1254 case VK_UP:
1255 if (!(dlgCode & DLGC_WANTARROWS))
1257 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1258 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1259 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1260 return TRUE;
1262 break;
1264 case VK_CANCEL:
1265 case VK_ESCAPE:
1266 SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1267 return TRUE;
1269 case VK_EXECUTE:
1270 case VK_RETURN:
1272 DWORD dw;
1273 if ((GetFocus() == msg->hwnd) &&
1274 (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1276 SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1278 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1280 HWND hwndDef = DIALOG_IdToHwnd(hwndDlg, LOWORD(dw));
1281 if (!hwndDef || IsWindowEnabled(hwndDef))
1282 SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ), (LPARAM)hwndDef);
1284 else
1286 SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1290 return TRUE;
1292 break;
1294 case WM_CHAR:
1295 /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1296 * It does NOT get sent in the test program I have
1298 dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1299 if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1300 if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1301 /* drop through */
1303 case WM_SYSCHAR:
1304 if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1306 /* don't translate or dispatch */
1307 return TRUE;
1309 break;
1312 TranslateMessage( msg );
1313 DispatchMessageW( msg );
1314 return TRUE;
1318 /***********************************************************************
1319 * GetDlgCtrlID (USER32.@)
1321 INT WINAPI GetDlgCtrlID( HWND hwnd )
1323 return GetWindowLongPtrW( hwnd, GWLP_ID );
1327 /***********************************************************************
1328 * GetDlgItem (USER32.@)
1330 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1332 int i;
1333 HWND *list = WIN_ListChildren( hwndDlg );
1334 HWND ret = 0;
1336 if (!list) return 0;
1338 for (i = 0; list[i]; i++) if (GetWindowLongPtrW( list[i], GWLP_ID ) == id) break;
1339 ret = list[i];
1340 HeapFree( GetProcessHeap(), 0, list );
1341 return ret;
1345 /*******************************************************************
1346 * SendDlgItemMessageA (USER32.@)
1348 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1349 WPARAM wParam, LPARAM lParam )
1351 HWND hwndCtrl = GetDlgItem( hwnd, id );
1352 if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1353 else return 0;
1357 /*******************************************************************
1358 * SendDlgItemMessageW (USER32.@)
1360 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1361 WPARAM wParam, LPARAM lParam )
1363 HWND hwndCtrl = GetDlgItem( hwnd, id );
1364 if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1365 else return 0;
1369 /*******************************************************************
1370 * SetDlgItemTextA (USER32.@)
1372 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1374 return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1378 /*******************************************************************
1379 * SetDlgItemTextW (USER32.@)
1381 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1383 return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1387 /***********************************************************************
1388 * GetDlgItemTextA (USER32.@)
1390 UINT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, INT len )
1392 if (str && (len > 0)) str[0] = '\0';
1393 return (UINT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1394 len, (LPARAM)str );
1398 /***********************************************************************
1399 * GetDlgItemTextW (USER32.@)
1401 UINT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, INT len )
1403 if (str && (len > 0)) str[0] = '\0';
1404 return (UINT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1405 len, (LPARAM)str );
1409 /*******************************************************************
1410 * SetDlgItemInt (USER32.@)
1412 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1413 BOOL fSigned )
1415 char str[20];
1417 if (fSigned) sprintf( str, "%d", (INT)value );
1418 else sprintf( str, "%u", value );
1419 SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1420 return TRUE;
1424 /***********************************************************************
1425 * GetDlgItemInt (USER32.@)
1427 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1428 BOOL fSigned )
1430 char str[30];
1431 char * endptr;
1432 LONG_PTR result = 0;
1434 if (translated) *translated = FALSE;
1435 if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1436 return 0;
1437 if (fSigned)
1439 result = strtol( str, &endptr, 10 );
1440 if (!endptr || (endptr == str)) /* Conversion was unsuccessful */
1441 return 0;
1442 if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1443 return 0;
1445 else
1447 result = strtoul( str, &endptr, 10 );
1448 if (!endptr || (endptr == str)) /* Conversion was unsuccessful */
1449 return 0;
1450 if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1452 if (translated) *translated = TRUE;
1453 return (UINT)result;
1457 /***********************************************************************
1458 * CheckDlgButton (USER32.@)
1460 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1462 SendDlgItemMessageW( hwnd, id, BM_SETCHECK, check, 0 );
1463 return TRUE;
1467 /***********************************************************************
1468 * IsDlgButtonChecked (USER32.@)
1470 UINT WINAPI IsDlgButtonChecked( HWND hwnd, int id )
1472 return (UINT)SendDlgItemMessageW( hwnd, id, BM_GETCHECK, 0, 0 );
1476 /***********************************************************************
1477 * CheckRB
1479 * Callback function used to check/uncheck radio buttons that fall
1480 * within a specific range of IDs.
1482 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1484 LONG lChildID = GetWindowLongPtrW(hwndChild, GWLP_ID);
1485 RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1487 if ((lChildID >= lpRadioGroup->firstID) &&
1488 (lChildID <= lpRadioGroup->lastID))
1490 if (lChildID == lpRadioGroup->checkID)
1492 SendMessageW(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1494 else
1496 SendMessageW(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1500 return TRUE;
1504 /***********************************************************************
1505 * CheckRadioButton (USER32.@)
1507 BOOL WINAPI CheckRadioButton( HWND hwndDlg, int firstID,
1508 int lastID, int checkID )
1510 RADIOGROUP radioGroup;
1512 radioGroup.firstID = firstID;
1513 radioGroup.lastID = lastID;
1514 radioGroup.checkID = checkID;
1516 return EnumChildWindows(hwndDlg, CheckRB, (LPARAM)&radioGroup);
1520 /***********************************************************************
1521 * GetDialogBaseUnits (USER.243)
1522 * GetDialogBaseUnits (USER32.@)
1524 DWORD WINAPI GetDialogBaseUnits(void)
1526 static DWORD units;
1528 if (!units)
1530 HDC hdc;
1531 SIZE size;
1533 if ((hdc = GetDC(0)))
1535 size.cx = GdiGetCharDimensions( hdc, NULL, &size.cy );
1536 if (size.cx) units = MAKELONG( size.cx, size.cy );
1537 ReleaseDC( 0, hdc );
1539 TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1541 return units;
1545 /***********************************************************************
1546 * MapDialogRect (USER32.@)
1548 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1550 DIALOGINFO * dlgInfo;
1551 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
1552 rect->left = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1553 rect->right = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1554 rect->top = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1555 rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1556 return TRUE;
1560 /***********************************************************************
1561 * GetNextDlgGroupItem (USER32.@)
1563 * Corrections to MSDN documentation
1565 * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1566 * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1567 * 2. Prev of NULL or hwndDlg fails
1569 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1571 HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1572 BOOL fLooped=FALSE;
1573 BOOL fSkipping=FALSE;
1575 hwndDlg = WIN_GetFullHandle( hwndDlg );
1576 hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1578 if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1579 if (!hwndCtrl && fPrevious) return 0;
1581 if (hwndCtrl)
1583 if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1585 else
1587 /* No ctrl specified -> start from the beginning */
1588 if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1589 /* MSDN is wrong. fPrevious does not result in the last child */
1591 /* Maybe that first one is valid. If so then we don't want to skip it*/
1592 if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1594 return hwndCtrl;
1598 /* Always go forward around the group and list of controls; for the
1599 * previous control keep track; for the next break when you find one
1601 retvalue = hwndCtrl;
1602 hwnd = hwndCtrl;
1603 while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1606 while (!hwndNext)
1608 /* Climb out until there is a next sibling of the ancestor or we
1609 * reach the top (in which case we loop back to the start)
1611 if (hwndDlg == GetParent (hwnd))
1613 /* Wrap around to the beginning of the list, within the same
1614 * group. (Once only)
1616 if (fLooped) goto end;
1617 fLooped = TRUE;
1618 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1620 else
1622 hwnd = GetParent (hwnd);
1623 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1626 hwnd = hwndNext;
1628 /* Wander down the leading edge of controlparents */
1629 while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1630 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1631 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1632 hwnd = hwndNext;
1633 /* Question. If the control is a control parent but either has no
1634 * children or is not visible/enabled then if it has a WS_GROUP does
1635 * it count? For that matter does it count anyway?
1636 * I believe it doesn't count.
1639 if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1641 hwndLastGroup = hwnd;
1642 if (!fSkipping)
1644 /* Look for the beginning of the group */
1645 fSkipping = TRUE;
1649 if (hwnd == hwndCtrl)
1651 if (!fSkipping) break;
1652 if (hwndLastGroup == hwnd) break;
1653 hwnd = hwndLastGroup;
1654 fSkipping = FALSE;
1655 fLooped = FALSE;
1658 if (!fSkipping &&
1659 (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1660 WS_VISIBLE)
1662 retvalue = hwnd;
1663 if (!fPrevious) break;
1666 end:
1667 return retvalue;
1671 /***********************************************************************
1672 * DIALOG_GetNextTabItem
1674 * Recursive helper for GetNextDlgTabItem
1676 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1678 LONG dsStyle;
1679 LONG exStyle;
1680 UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1681 HWND retWnd = 0;
1682 HWND hChildFirst = 0;
1684 if(!hwndCtrl)
1686 hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1687 if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1689 else if (IsChild( hwndMain, hwndCtrl ))
1691 hChildFirst = GetWindow(hwndCtrl,wndSearch);
1692 if(!hChildFirst)
1694 if(GetParent(hwndCtrl) != hwndMain)
1695 /* i.e. if we are not at the top level of the recursion */
1696 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1697 else
1698 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1702 while(hChildFirst)
1704 dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1705 exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1706 if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1708 HWND retWnd;
1709 retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1710 if (retWnd) return (retWnd);
1712 else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1714 return (hChildFirst);
1716 hChildFirst = GetWindow(hChildFirst,wndSearch);
1718 if(hwndCtrl)
1720 HWND hParent = GetParent(hwndCtrl);
1721 while(hParent)
1723 if(hParent == hwndMain) break;
1724 retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1725 if(retWnd) break;
1726 hParent = GetParent(hParent);
1728 if(!retWnd)
1729 retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1731 return retWnd ? retWnd : hwndCtrl;
1734 /***********************************************************************
1735 * GetNextDlgTabItem (USER32.@)
1737 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1738 BOOL fPrevious )
1740 hwndDlg = WIN_GetFullHandle( hwndDlg );
1741 hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1743 /* Undocumented but tested under Win2000 and WinME */
1744 if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1746 /* Contrary to MSDN documentation, tested under Win2000 and WinME
1747 * NB GetLastError returns whatever was set before the function was
1748 * called.
1750 if (!hwndCtrl && fPrevious) return 0;
1752 return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1755 /**********************************************************************
1756 * DIALOG_DlgDirSelect
1758 * Helper function for DlgDirSelect*
1760 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPWSTR str, INT len,
1761 INT id, BOOL unicode, BOOL combo )
1763 WCHAR *buffer, *ptr;
1764 INT item, size;
1765 BOOL ret;
1766 HWND listbox = GetDlgItem( hwnd, id );
1768 TRACE("%p %s %d\n", hwnd, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str), id );
1769 if (!listbox) return FALSE;
1771 item = SendMessageW(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1772 if (item == LB_ERR) return FALSE;
1774 size = SendMessageW(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, item, 0 );
1775 if (size == LB_ERR) return FALSE;
1777 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (size+2) * sizeof(WCHAR) ))) return FALSE;
1779 SendMessageW( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1781 if ((ret = (buffer[0] == '['))) /* drive or directory */
1783 if (buffer[1] == '-') /* drive */
1785 buffer[3] = ':';
1786 buffer[4] = 0;
1787 ptr = buffer + 2;
1789 else
1791 buffer[strlenW(buffer)-1] = '\\';
1792 ptr = buffer + 1;
1795 else
1797 /* Filenames without a dot extension must have one tacked at the end */
1798 if (strchrW(buffer, '.') == NULL)
1800 buffer[strlenW(buffer)+1] = '\0';
1801 buffer[strlenW(buffer)] = '.';
1803 ptr = buffer;
1806 if (!unicode)
1808 if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, ptr, -1, (LPSTR)str, len, 0, 0 ))
1809 ((LPSTR)str)[len-1] = 0;
1811 else lstrcpynW( str, ptr, len );
1812 HeapFree( GetProcessHeap(), 0, buffer );
1813 TRACE("Returning %d %s\n", ret, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str) );
1814 return ret;
1818 /**********************************************************************
1819 * DIALOG_DlgDirListW
1821 * Helper function for DlgDirList*W
1823 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1824 INT idStatic, UINT attrib, BOOL combo )
1826 HWND hwnd;
1827 LPWSTR orig_spec = spec;
1828 WCHAR any[] = {'*','.','*',0};
1830 #define SENDMSG(msg,wparam,lparam) \
1831 ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1832 : SendMessageW( hwnd, msg, wparam, lparam ))
1834 TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1836 /* If the path exists and is a directory, chdir to it */
1837 if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1838 else
1840 WCHAR *p, *p2;
1841 p = spec;
1842 if ((p2 = strchrW( p, ':' ))) p = p2 + 1;
1843 if ((p2 = strrchrW( p, '\\' ))) p = p2;
1844 if ((p2 = strrchrW( p, '/' ))) p = p2;
1845 if (p != spec)
1847 WCHAR sep = *p;
1848 *p = 0;
1849 if (!SetCurrentDirectoryW( spec ))
1851 *p = sep; /* Restore the original spec */
1852 return FALSE;
1854 spec = p + 1;
1858 TRACE( "mask=%s\n", debugstr_w(spec) );
1860 if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1862 if (attrib == DDL_DRIVES) attrib |= DDL_EXCLUSIVE;
1864 SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1865 if (attrib & DDL_DIRECTORY)
1867 if (!(attrib & DDL_EXCLUSIVE))
1869 SENDMSG( combo ? CB_DIR : LB_DIR,
1870 attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1871 (LPARAM)spec );
1873 SENDMSG( combo ? CB_DIR : LB_DIR,
1874 (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1875 (LPARAM)any );
1877 else
1879 SENDMSG( combo ? CB_DIR : LB_DIR, attrib, (LPARAM)spec );
1883 /* Convert path specification to uppercase */
1884 if (spec) CharUpperW(spec);
1886 if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1888 WCHAR temp[MAX_PATH];
1889 GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1890 CharLowerW( temp );
1891 /* Can't use PostMessage() here, because the string is on the stack */
1892 SetDlgItemTextW( hDlg, idStatic, temp );
1895 if (orig_spec && (spec != orig_spec))
1897 /* Update the original file spec */
1898 WCHAR *p = spec;
1899 while ((*orig_spec++ = *p++));
1902 return TRUE;
1903 #undef SENDMSG
1907 /**********************************************************************
1908 * DIALOG_DlgDirListA
1910 * Helper function for DlgDirList*A
1912 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1913 INT idStatic, UINT attrib, BOOL combo )
1915 if (spec)
1917 INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1918 LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1919 MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1920 ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1921 WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1922 HeapFree( GetProcessHeap(), 0, specW );
1923 return ret;
1925 return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1929 /**********************************************************************
1930 * DlgDirSelectExA (USER32.@)
1932 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1934 return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, FALSE );
1938 /**********************************************************************
1939 * DlgDirSelectExW (USER32.@)
1941 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1943 return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE );
1947 /**********************************************************************
1948 * DlgDirSelectComboBoxExA (USER32.@)
1950 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1951 INT id )
1953 return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, TRUE );
1957 /**********************************************************************
1958 * DlgDirSelectComboBoxExW (USER32.@)
1960 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1961 INT id)
1963 return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, TRUE );
1967 /**********************************************************************
1968 * DlgDirListA (USER32.@)
1970 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1971 INT idStatic, UINT attrib )
1973 return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1977 /**********************************************************************
1978 * DlgDirListW (USER32.@)
1980 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1981 INT idStatic, UINT attrib )
1983 return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1987 /**********************************************************************
1988 * DlgDirListComboBoxA (USER32.@)
1990 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1991 INT idStatic, UINT attrib )
1993 return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1997 /**********************************************************************
1998 * DlgDirListComboBoxW (USER32.@)
2000 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
2001 INT idStatic, UINT attrib )
2003 return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );