msvcrt20: Forward more functions to msvcrt.dll.
[wine/multimedia.git] / dlls / user32 / dialog.c
blob325d6e287d465102380f6adceb88b33dad25273b
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 /* Is this it? */
267 if (info.style & WS_BORDER)
269 info.style &= ~WS_BORDER;
270 info.exStyle |= WS_EX_CLIENTEDGE;
272 if (unicode)
274 hwndCtrl = CreateWindowExW( info.exStyle | WS_EX_NOPARENTNOTIFY,
275 info.className, info.windowName,
276 info.style | WS_CHILD,
277 MulDiv(info.x, dlgInfo->xBaseUnit, 4),
278 MulDiv(info.y, dlgInfo->yBaseUnit, 8),
279 MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
280 MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
281 hwnd, (HMENU)info.id,
282 hInst, (LPVOID)info.data );
284 else
286 LPCSTR class = (LPCSTR)info.className;
287 LPCSTR caption = (LPCSTR)info.windowName;
288 LPSTR class_tmp = NULL;
289 LPSTR caption_tmp = NULL;
291 if (!IS_INTRESOURCE(class))
293 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.className, -1, NULL, 0, NULL, NULL );
294 class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
295 WideCharToMultiByte( CP_ACP, 0, info.className, -1, class_tmp, len, NULL, NULL );
296 class = class_tmp;
298 if (!IS_INTRESOURCE(caption))
300 DWORD len = WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, NULL, 0, NULL, NULL );
301 caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
302 WideCharToMultiByte( CP_ACP, 0, info.windowName, -1, caption_tmp, len, NULL, NULL );
303 caption = caption_tmp;
305 hwndCtrl = CreateWindowExA( info.exStyle | WS_EX_NOPARENTNOTIFY,
306 class, caption, info.style | WS_CHILD,
307 MulDiv(info.x, dlgInfo->xBaseUnit, 4),
308 MulDiv(info.y, dlgInfo->yBaseUnit, 8),
309 MulDiv(info.cx, dlgInfo->xBaseUnit, 4),
310 MulDiv(info.cy, dlgInfo->yBaseUnit, 8),
311 hwnd, (HMENU)info.id,
312 hInst, (LPVOID)info.data );
313 HeapFree( GetProcessHeap(), 0, class_tmp );
314 HeapFree( GetProcessHeap(), 0, caption_tmp );
316 if (!hwndCtrl)
318 if (dlgTemplate->style & DS_NOFAILCREATE) continue;
319 return FALSE;
322 /* Send initialisation messages to the control */
323 if (dlgInfo->hUserFont) SendMessageW( hwndCtrl, WM_SETFONT,
324 (WPARAM)dlgInfo->hUserFont, 0 );
325 if (SendMessageW(hwndCtrl, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
327 /* If there's already a default push-button, set it back */
328 /* to normal and use this one instead. */
329 if (hwndDefButton)
330 SendMessageW( hwndDefButton, BM_SETSTYLE, BS_PUSHBUTTON, FALSE );
331 hwndDefButton = hwndCtrl;
332 dlgInfo->idResult = GetWindowLongPtrA( hwndCtrl, GWLP_ID );
335 TRACE(" END\n" );
336 return TRUE;
340 /***********************************************************************
341 * DIALOG_ParseTemplate32
343 * Fill a DLG_TEMPLATE structure from the dialog template, and return
344 * a pointer to the first control.
346 static LPCSTR DIALOG_ParseTemplate32( LPCSTR template, DLG_TEMPLATE * result )
348 const WORD *p = (const WORD *)template;
349 WORD signature;
350 WORD dlgver;
352 dlgver = GET_WORD(p); p++;
353 signature = GET_WORD(p); p++;
355 if (dlgver == 1 && signature == 0xffff) /* DIALOGEX resource */
357 result->dialogEx = TRUE;
358 result->helpId = GET_DWORD(p); p += 2;
359 result->exStyle = GET_DWORD(p); p += 2;
360 result->style = GET_DWORD(p); p += 2;
362 else
364 result->style = GET_DWORD(p - 2);
365 result->dialogEx = FALSE;
366 result->helpId = 0;
367 result->exStyle = GET_DWORD(p); p += 2;
369 result->nbItems = GET_WORD(p); p++;
370 result->x = GET_WORD(p); p++;
371 result->y = GET_WORD(p); p++;
372 result->cx = GET_WORD(p); p++;
373 result->cy = GET_WORD(p); p++;
374 TRACE("DIALOG%s %d, %d, %d, %d, %d\n",
375 result->dialogEx ? "EX" : "", result->x, result->y,
376 result->cx, result->cy, result->helpId );
377 TRACE(" STYLE 0x%08x\n", result->style );
378 TRACE(" EXSTYLE 0x%08x\n", result->exStyle );
380 /* Get the menu name */
382 switch(GET_WORD(p))
384 case 0x0000:
385 result->menuName = NULL;
386 p++;
387 break;
388 case 0xffff:
389 result->menuName = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
390 p += 2;
391 TRACE(" MENU %04x\n", LOWORD(result->menuName) );
392 break;
393 default:
394 result->menuName = p;
395 TRACE(" MENU %s\n", debugstr_w(result->menuName) );
396 p += strlenW( result->menuName ) + 1;
397 break;
400 /* Get the class name */
402 switch(GET_WORD(p))
404 case 0x0000:
405 result->className = (LPCWSTR)DIALOG_CLASS_ATOM;
406 p++;
407 break;
408 case 0xffff:
409 result->className = MAKEINTRESOURCEW(GET_WORD( p + 1 ));
410 p += 2;
411 TRACE(" CLASS %04x\n", LOWORD(result->className) );
412 break;
413 default:
414 result->className = p;
415 TRACE(" CLASS %s\n", debugstr_w( result->className ));
416 p += strlenW( result->className ) + 1;
417 break;
420 /* Get the window caption */
422 result->caption = p;
423 p += strlenW( result->caption ) + 1;
424 TRACE(" CAPTION %s\n", debugstr_w( result->caption ) );
426 /* Get the font name */
428 result->pointSize = 0;
429 result->faceName = NULL;
430 result->weight = FW_DONTCARE;
431 result->italic = FALSE;
433 if (result->style & DS_SETFONT)
435 result->pointSize = GET_WORD(p);
436 p++;
438 /* If pointSize is 0x7fff, it means that we need to use the font
439 * in NONCLIENTMETRICSW.lfMessageFont, and NOT read the weight,
440 * italic, and facename from the dialog template.
442 if (result->pointSize == 0x7fff)
444 /* We could call SystemParametersInfo here, but then we'd have
445 * to convert from pixel size to point size (which can be
446 * imprecise).
448 TRACE(" FONT: Using message box font\n");
450 else
452 if (result->dialogEx)
454 result->weight = GET_WORD(p); p++;
455 result->italic = LOBYTE(GET_WORD(p)); p++;
457 result->faceName = p;
458 p += strlenW( result->faceName ) + 1;
460 TRACE(" FONT %d, %s, %d, %s\n",
461 result->pointSize, debugstr_w( result->faceName ),
462 result->weight, result->italic ? "TRUE" : "FALSE" );
466 /* First control is on dword boundary */
467 return (LPCSTR)(((UINT_PTR)p + 3) & ~3);
471 /***********************************************************************
472 * DIALOG_CreateIndirect
473 * Creates a dialog box window
475 * modal = TRUE if we are called from a modal dialog box.
476 * (it's more compatible to do it here, as under Windows the owner
477 * is never disabled if the dialog fails because of an invalid template)
479 static HWND DIALOG_CreateIndirect( HINSTANCE hInst, LPCVOID dlgTemplate,
480 HWND owner, DLGPROC dlgProc, LPARAM param,
481 BOOL unicode, BOOL modal )
483 HWND hwnd;
484 RECT rect;
485 POINT pos;
486 SIZE size;
487 DLG_TEMPLATE template;
488 DIALOGINFO * dlgInfo = NULL;
489 DWORD units = GetDialogBaseUnits();
490 BOOL ownerEnabled = TRUE;
491 HMENU hMenu = 0;
492 HFONT hUserFont = 0;
493 UINT flags = 0;
494 UINT xBaseUnit = LOWORD(units);
495 UINT yBaseUnit = HIWORD(units);
497 /* Parse dialog template */
499 if (!dlgTemplate) return 0;
500 dlgTemplate = DIALOG_ParseTemplate32( dlgTemplate, &template );
502 /* Load menu */
504 if (template.menuName) hMenu = LoadMenuW( hInst, template.menuName );
506 /* Create custom font if needed */
508 if (template.style & DS_SETFONT)
510 HDC dc = GetDC(0);
512 if (template.pointSize == 0x7fff)
514 /* We get the message font from the non-client metrics */
515 NONCLIENTMETRICSW ncMetrics;
517 ncMetrics.cbSize = sizeof(NONCLIENTMETRICSW);
518 if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
519 sizeof(NONCLIENTMETRICSW), &ncMetrics, 0))
521 hUserFont = CreateFontIndirectW( &ncMetrics.lfMessageFont );
524 else
526 /* We convert the size to pixels and then make it -ve. This works
527 * for both +ve and -ve template.pointSize */
528 int pixels = MulDiv(template.pointSize, GetDeviceCaps(dc , LOGPIXELSY), 72);
529 hUserFont = CreateFontW( -pixels, 0, 0, 0, template.weight,
530 template.italic, FALSE, FALSE, DEFAULT_CHARSET, 0, 0,
531 PROOF_QUALITY, FF_DONTCARE,
532 template.faceName );
535 if (hUserFont)
537 SIZE charSize;
538 HFONT hOldFont = SelectObject( dc, hUserFont );
539 charSize.cx = GdiGetCharDimensions( dc, NULL, &charSize.cy );
540 if (charSize.cx)
542 xBaseUnit = charSize.cx;
543 yBaseUnit = charSize.cy;
545 SelectObject( dc, hOldFont );
547 ReleaseDC(0, dc);
548 TRACE("units = %d,%d\n", xBaseUnit, yBaseUnit );
551 /* Create dialog main window */
553 rect.left = rect.top = 0;
554 rect.right = MulDiv(template.cx, xBaseUnit, 4);
555 rect.bottom = MulDiv(template.cy, yBaseUnit, 8);
556 if (template.style & WS_CHILD)
557 template.style &= ~(WS_CAPTION|WS_SYSMENU);
558 if (template.style & DS_MODALFRAME)
559 template.exStyle |= WS_EX_DLGMODALFRAME;
560 if (template.style & DS_CONTROL)
561 template.exStyle |= WS_EX_CONTROLPARENT;
562 AdjustWindowRectEx( &rect, template.style, (hMenu != 0), template.exStyle );
563 pos.x = rect.left;
564 pos.y = rect.top;
565 size.cx = rect.right - rect.left;
566 size.cy = rect.bottom - rect.top;
568 if (template.x == (SHORT)0x8000 /*CW_USEDEFAULT16*/)
570 pos.x = pos.y = CW_USEDEFAULT;
572 else
574 HMONITOR monitor = 0;
575 MONITORINFO mon_info;
577 mon_info.cbSize = sizeof(mon_info);
578 if (template.style & DS_CENTER)
580 monitor = MonitorFromWindow( owner ? owner : GetActiveWindow(), MONITOR_DEFAULTTOPRIMARY );
581 GetMonitorInfoW( monitor, &mon_info );
582 pos.x = (mon_info.rcWork.left + mon_info.rcWork.right - size.cx) / 2;
583 pos.y = (mon_info.rcWork.top + mon_info.rcWork.bottom - size.cy) / 2;
585 else if (template.style & DS_CENTERMOUSE)
587 GetCursorPos( &pos );
588 monitor = MonitorFromPoint( pos, MONITOR_DEFAULTTOPRIMARY );
589 GetMonitorInfoW( monitor, &mon_info );
591 else
593 pos.x += MulDiv(template.x, xBaseUnit, 4);
594 pos.y += MulDiv(template.y, yBaseUnit, 8);
595 if (!(template.style & (WS_CHILD|DS_ABSALIGN))) ClientToScreen( owner, &pos );
597 if ( !(template.style & WS_CHILD) )
599 INT dX, dY;
601 /* try to fit it into the desktop */
603 if (!monitor)
605 SetRect( &rect, pos.x, pos.y, pos.x + size.cx, pos.y + size.cy );
606 monitor = MonitorFromRect( &rect, MONITOR_DEFAULTTOPRIMARY );
607 GetMonitorInfoW( monitor, &mon_info );
609 if ((dX = pos.x + size.cx + GetSystemMetrics(SM_CXDLGFRAME) - mon_info.rcWork.right) > 0)
610 pos.x -= dX;
611 if ((dY = pos.y + size.cy + GetSystemMetrics(SM_CYDLGFRAME) - mon_info.rcWork.bottom) > 0)
612 pos.y -= dY;
613 if( pos.x < mon_info.rcWork.left ) pos.x = mon_info.rcWork.left;
614 if( pos.y < mon_info.rcWork.top ) pos.y = mon_info.rcWork.top;
618 if (modal)
620 ownerEnabled = DIALOG_DisableOwner( owner );
621 if (ownerEnabled) flags |= DF_OWNERENABLED;
624 if (unicode)
626 hwnd = CreateWindowExW(template.exStyle, template.className, template.caption,
627 template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
628 owner, hMenu, hInst, NULL );
630 else
632 LPCSTR class = (LPCSTR)template.className;
633 LPCSTR caption = (LPCSTR)template.caption;
634 LPSTR class_tmp = NULL;
635 LPSTR caption_tmp = NULL;
637 if (!IS_INTRESOURCE(class))
639 DWORD len = WideCharToMultiByte( CP_ACP, 0, template.className, -1, NULL, 0, NULL, NULL );
640 class_tmp = HeapAlloc( GetProcessHeap(), 0, len );
641 WideCharToMultiByte( CP_ACP, 0, template.className, -1, class_tmp, len, NULL, NULL );
642 class = class_tmp;
644 if (!IS_INTRESOURCE(caption))
646 DWORD len = WideCharToMultiByte( CP_ACP, 0, template.caption, -1, NULL, 0, NULL, NULL );
647 caption_tmp = HeapAlloc( GetProcessHeap(), 0, len );
648 WideCharToMultiByte( CP_ACP, 0, template.caption, -1, caption_tmp, len, NULL, NULL );
649 caption = caption_tmp;
651 hwnd = CreateWindowExA(template.exStyle, class, caption,
652 template.style & ~WS_VISIBLE, pos.x, pos.y, size.cx, size.cy,
653 owner, hMenu, hInst, NULL );
654 HeapFree( GetProcessHeap(), 0, class_tmp );
655 HeapFree( GetProcessHeap(), 0, caption_tmp );
658 if (!hwnd)
660 if (hUserFont) DeleteObject( hUserFont );
661 if (hMenu) DestroyMenu( hMenu );
662 if (modal && (flags & DF_OWNERENABLED)) DIALOG_EnableOwner(owner);
663 return 0;
666 /* moved this from the top of the method to here as DIALOGINFO structure
667 will be valid only after WM_CREATE message has been handled in DefDlgProc
668 All the members of the structure get filled here using temp variables */
669 dlgInfo = DIALOG_get_info( hwnd, TRUE );
670 dlgInfo->hwndFocus = 0;
671 dlgInfo->hUserFont = hUserFont;
672 dlgInfo->hMenu = hMenu;
673 dlgInfo->xBaseUnit = xBaseUnit;
674 dlgInfo->yBaseUnit = yBaseUnit;
675 dlgInfo->flags = flags;
677 if (template.helpId) SetWindowContextHelpId( hwnd, template.helpId );
679 if (unicode) SetWindowLongPtrW( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
680 else SetWindowLongPtrA( hwnd, DWLP_DLGPROC, (ULONG_PTR)dlgProc );
682 if (dlgProc && dlgInfo->hUserFont)
683 SendMessageW( hwnd, WM_SETFONT, (WPARAM)dlgInfo->hUserFont, 0 );
685 /* Create controls */
687 if (DIALOG_CreateControls32( hwnd, dlgTemplate, &template, hInst, unicode ))
689 /* Send initialisation messages and set focus */
691 if (dlgProc)
693 HWND focus = GetNextDlgTabItem( hwnd, 0, FALSE );
694 if (SendMessageW( hwnd, WM_INITDIALOG, (WPARAM)focus, param ) &&
695 ((~template.style & DS_CONTROL) || (template.style & WS_VISIBLE)))
697 /* By returning TRUE, app has requested a default focus assignment.
698 * WM_INITDIALOG may have changed the tab order, so find the first
699 * tabstop control again. */
700 dlgInfo->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
701 if( dlgInfo->hwndFocus )
702 SetFocus( dlgInfo->hwndFocus );
706 if (template.style & WS_VISIBLE && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
708 ShowWindow( hwnd, SW_SHOWNORMAL ); /* SW_SHOW doesn't always work */
710 return hwnd;
712 if (modal && ownerEnabled) DIALOG_EnableOwner(owner);
713 if( IsWindow(hwnd) ) DestroyWindow( hwnd );
714 return 0;
718 /***********************************************************************
719 * CreateDialogParamA (USER32.@)
721 HWND WINAPI CreateDialogParamA( HINSTANCE hInst, LPCSTR name, HWND owner,
722 DLGPROC dlgProc, LPARAM param )
724 HRSRC hrsrc;
725 LPCDLGTEMPLATEA ptr;
727 if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return 0;
728 if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
729 return CreateDialogIndirectParamA( hInst, ptr, owner, dlgProc, param );
733 /***********************************************************************
734 * CreateDialogParamW (USER32.@)
736 HWND WINAPI CreateDialogParamW( HINSTANCE hInst, LPCWSTR name, HWND owner,
737 DLGPROC dlgProc, LPARAM param )
739 HRSRC hrsrc;
740 LPCDLGTEMPLATEA ptr;
742 if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return 0;
743 if (!(ptr = LoadResource(hInst, hrsrc))) return 0;
744 return CreateDialogIndirectParamW( hInst, ptr, owner, dlgProc, param );
748 /***********************************************************************
749 * CreateDialogIndirectParamAorW (USER32.@)
751 HWND WINAPI CreateDialogIndirectParamAorW( HINSTANCE hInst, LPCVOID dlgTemplate,
752 HWND owner, DLGPROC dlgProc, LPARAM param,
753 DWORD flags )
755 return DIALOG_CreateIndirect( hInst, dlgTemplate, owner, dlgProc, param, !flags, FALSE );
758 /***********************************************************************
759 * CreateDialogIndirectParamA (USER32.@)
761 HWND WINAPI CreateDialogIndirectParamA( HINSTANCE hInst, LPCDLGTEMPLATEA dlgTemplate,
762 HWND owner, DLGPROC dlgProc, LPARAM param )
764 return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 2 );
767 /***********************************************************************
768 * CreateDialogIndirectParamW (USER32.@)
770 HWND WINAPI CreateDialogIndirectParamW( HINSTANCE hInst, LPCDLGTEMPLATEW dlgTemplate,
771 HWND owner, DLGPROC dlgProc, LPARAM param )
773 return CreateDialogIndirectParamAorW( hInst, dlgTemplate, owner, dlgProc, param, 0 );
777 /***********************************************************************
778 * DIALOG_DoDialogBox
780 INT DIALOG_DoDialogBox( HWND hwnd, HWND owner )
782 DIALOGINFO * dlgInfo;
783 MSG msg;
784 INT retval;
785 HWND ownerMsg = GetAncestor( owner, GA_ROOT );
786 BOOL bFirstEmpty;
788 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return -1;
790 bFirstEmpty = TRUE;
791 if (!(dlgInfo->flags & DF_END)) /* was EndDialog called in WM_INITDIALOG ? */
793 for (;;)
795 if (!PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
797 if (bFirstEmpty)
799 /* ShowWindow the first time the queue goes empty */
800 ShowWindow( hwnd, SW_SHOWNORMAL );
801 bFirstEmpty = FALSE;
803 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & DS_NOIDLEMSG))
805 /* No message present -> send ENTERIDLE and wait */
806 SendMessageW( ownerMsg, WM_ENTERIDLE, MSGF_DIALOGBOX, (LPARAM)hwnd );
808 if (!GetMessageW( &msg, 0, 0, 0 )) break;
811 if (!IsWindow( hwnd )) return 0;
812 if (!(dlgInfo->flags & DF_END) && !IsDialogMessageW( hwnd, &msg))
814 TranslateMessage( &msg );
815 DispatchMessageW( &msg );
817 if (dlgInfo->flags & DF_END) break;
820 if (dlgInfo->flags & DF_OWNERENABLED) DIALOG_EnableOwner( owner );
821 retval = dlgInfo->idResult;
822 DestroyWindow( hwnd );
823 return retval;
827 /***********************************************************************
828 * DialogBoxParamA (USER32.@)
830 INT_PTR WINAPI DialogBoxParamA( HINSTANCE hInst, LPCSTR name,
831 HWND owner, DLGPROC dlgProc, LPARAM param )
833 HWND hwnd;
834 HRSRC hrsrc;
835 LPCDLGTEMPLATEA ptr;
837 if (!(hrsrc = FindResourceA( hInst, name, (LPSTR)RT_DIALOG ))) return -1;
838 if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
839 hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, FALSE, TRUE );
840 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
841 return 0;
845 /***********************************************************************
846 * DialogBoxParamW (USER32.@)
848 INT_PTR WINAPI DialogBoxParamW( HINSTANCE hInst, LPCWSTR name,
849 HWND owner, DLGPROC dlgProc, LPARAM param )
851 HWND hwnd;
852 HRSRC hrsrc;
853 LPCDLGTEMPLATEW ptr;
855 if (!(hrsrc = FindResourceW( hInst, name, (LPWSTR)RT_DIALOG ))) return -1;
856 if (!(ptr = LoadResource(hInst, hrsrc))) return -1;
857 hwnd = DIALOG_CreateIndirect( hInst, ptr, owner, dlgProc, param, TRUE, TRUE );
858 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
859 return 0;
863 /***********************************************************************
864 * DialogBoxIndirectParamAorW (USER32.@)
866 INT_PTR WINAPI DialogBoxIndirectParamAorW( HINSTANCE hInstance, LPCVOID template,
867 HWND owner, DLGPROC dlgProc,
868 LPARAM param, DWORD flags )
870 HWND hwnd = DIALOG_CreateIndirect( hInstance, template, owner, dlgProc, param, !flags, TRUE );
871 if (hwnd) return DIALOG_DoDialogBox( hwnd, owner );
872 return -1;
875 /***********************************************************************
876 * DialogBoxIndirectParamA (USER32.@)
878 INT_PTR WINAPI DialogBoxIndirectParamA(HINSTANCE hInstance, LPCDLGTEMPLATEA template,
879 HWND owner, DLGPROC dlgProc, LPARAM param )
881 return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 2 );
885 /***********************************************************************
886 * DialogBoxIndirectParamW (USER32.@)
888 INT_PTR WINAPI DialogBoxIndirectParamW(HINSTANCE hInstance, LPCDLGTEMPLATEW template,
889 HWND owner, DLGPROC dlgProc, LPARAM param )
891 return DialogBoxIndirectParamAorW( hInstance, template, owner, dlgProc, param, 0 );
894 /***********************************************************************
895 * EndDialog (USER32.@)
897 BOOL WINAPI EndDialog( HWND hwnd, INT_PTR retval )
899 BOOL wasEnabled = TRUE;
900 DIALOGINFO * dlgInfo;
901 HWND owner;
903 TRACE("%p %ld\n", hwnd, retval );
905 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE )))
907 ERR("got invalid window handle (%p); buggy app !?\n", hwnd);
908 return FALSE;
910 dlgInfo->idResult = retval;
911 dlgInfo->flags |= DF_END;
912 wasEnabled = (dlgInfo->flags & DF_OWNERENABLED);
914 if (wasEnabled && (owner = GetWindow( hwnd, GW_OWNER )))
915 DIALOG_EnableOwner( owner );
917 /* Windows sets the focus to the dialog itself in EndDialog */
919 if (IsChild(hwnd, GetFocus()))
920 SetFocus( hwnd );
922 /* Don't have to send a ShowWindow(SW_HIDE), just do
923 SetWindowPos with SWP_HIDEWINDOW as done in Windows */
925 SetWindowPos(hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE
926 | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW);
928 if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
930 /* unblock dialog loop */
931 PostMessageA(hwnd, WM_NULL, 0, 0);
932 return TRUE;
936 /***********************************************************************
937 * DIALOG_IsAccelerator
939 static BOOL DIALOG_IsAccelerator( HWND hwnd, HWND hwndDlg, WPARAM wParam )
941 HWND hwndControl = hwnd;
942 HWND hwndNext;
943 INT dlgCode;
944 WCHAR buffer[128];
948 DWORD style = GetWindowLongW( hwndControl, GWL_STYLE );
949 if ((style & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE)
951 dlgCode = SendMessageW( hwndControl, WM_GETDLGCODE, 0, 0 );
952 if ( (dlgCode & (DLGC_BUTTON | DLGC_STATIC)) &&
953 GetWindowTextW( hwndControl, buffer, sizeof(buffer)/sizeof(WCHAR) ))
955 /* find the accelerator key */
956 LPWSTR p = buffer - 2;
960 p = strchrW( p + 2, '&' );
962 while (p != NULL && p[1] == '&');
964 /* and check if it's the one we're looking for */
965 if (p != NULL && toupperW( p[1] ) == toupperW( wParam ) )
967 if ((dlgCode & DLGC_STATIC) || (style & 0x0f) == BS_GROUPBOX )
969 /* set focus to the control */
970 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndControl, 1);
971 /* and bump it on to next */
972 SendMessageW( hwndDlg, WM_NEXTDLGCTL, 0, 0);
974 else if (dlgCode & DLGC_BUTTON)
976 /* send BM_CLICK message to the control */
977 SendMessageW( hwndControl, BM_CLICK, 0, 0 );
979 return TRUE;
982 hwndNext = GetWindow( hwndControl, GW_CHILD );
984 else hwndNext = 0;
986 if (!hwndNext) hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
988 while (!hwndNext && hwndControl)
990 hwndControl = GetParent( hwndControl );
991 if (hwndControl == hwndDlg)
993 if(hwnd==hwndDlg) /* prevent endless loop */
995 hwndNext=hwnd;
996 break;
998 hwndNext = GetWindow( hwndDlg, GW_CHILD );
1000 else
1001 hwndNext = GetWindow( hwndControl, GW_HWNDNEXT );
1003 hwndControl = hwndNext;
1005 while (hwndControl && (hwndControl != hwnd));
1007 return FALSE;
1010 /***********************************************************************
1011 * DIALOG_FindMsgDestination
1013 * The messages that IsDialogMessage sends may not go to the dialog
1014 * calling IsDialogMessage if that dialog is a child, and it has the
1015 * DS_CONTROL style set.
1016 * We propagate up until we hit one that does not have DS_CONTROL, or
1017 * whose parent is not a dialog.
1019 * This is undocumented behaviour.
1021 static HWND DIALOG_FindMsgDestination( HWND hwndDlg )
1023 while (GetWindowLongA(hwndDlg, GWL_STYLE) & DS_CONTROL)
1025 WND *pParent;
1026 HWND hParent = GetParent(hwndDlg);
1027 if (!hParent) break;
1029 pParent = WIN_GetPtr(hParent);
1030 if (!pParent || pParent == WND_OTHER_PROCESS || pParent == WND_DESKTOP) break;
1032 if (!pParent->dlgInfo)
1034 WIN_ReleasePtr(pParent);
1035 break;
1037 WIN_ReleasePtr(pParent);
1039 hwndDlg = hParent;
1042 return hwndDlg;
1045 /***********************************************************************
1046 * DIALOG_FixOneChildOnChangeFocus
1048 * Callback helper for DIALOG_FixChildrenOnChangeFocus
1051 static BOOL CALLBACK DIALOG_FixOneChildOnChangeFocus (HWND hwndChild,
1052 LPARAM lParam)
1054 /* If a default pushbutton then no longer default */
1055 if (DLGC_DEFPUSHBUTTON & SendMessageW (hwndChild, WM_GETDLGCODE, 0, 0))
1056 SendMessageW (hwndChild, BM_SETSTYLE, BS_PUSHBUTTON, TRUE);
1057 return TRUE;
1060 /***********************************************************************
1061 * DIALOG_FixChildrenOnChangeFocus
1063 * Following the change of focus that occurs for example after handling
1064 * a WM_KEYDOWN VK_TAB in IsDialogMessage, some tidying of the dialog's
1065 * children may be required.
1067 static void DIALOG_FixChildrenOnChangeFocus (HWND hwndDlg, HWND hwndNext)
1069 INT dlgcode_next = SendMessageW (hwndNext, WM_GETDLGCODE, 0, 0);
1070 /* INT dlgcode_dlg = SendMessageW (hwndDlg, WM_GETDLGCODE, 0, 0); */
1071 /* Windows does ask for this. I don't know why yet */
1073 EnumChildWindows (hwndDlg, DIALOG_FixOneChildOnChangeFocus, 0);
1075 /* If the button that is getting the focus WAS flagged as the default
1076 * pushbutton then ask the dialog what it thinks the default is and
1077 * set that in the default style.
1079 if (dlgcode_next & DLGC_DEFPUSHBUTTON)
1081 DWORD def_id = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0);
1082 if (HIWORD(def_id) == DC_HASDEFID)
1084 HWND hwndDef;
1085 def_id = LOWORD(def_id);
1086 hwndDef = GetDlgItem (hwndDlg, def_id);
1087 if (hwndDef)
1089 INT dlgcode_def = SendMessageW (hwndDef, WM_GETDLGCODE, 0, 0);
1090 /* I know that if it is a button then it should already be a
1091 * UNDEFPUSHBUTTON, since we have just told the buttons to
1092 * change style. But maybe they ignored our request
1094 if ((dlgcode_def & DLGC_BUTTON) &&
1095 (dlgcode_def & DLGC_UNDEFPUSHBUTTON))
1097 SendMessageW (hwndDef, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1102 else if ((dlgcode_next & DLGC_BUTTON) && (dlgcode_next & DLGC_UNDEFPUSHBUTTON))
1104 SendMessageW (hwndNext, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
1105 /* I wonder why it doesn't send a DM_SETDEFID */
1109 /***********************************************************************
1110 * IsDialogMessageW (USER32.@)
1112 BOOL WINAPI IsDialogMessageW( HWND hwndDlg, LPMSG msg )
1114 INT dlgCode = 0;
1116 if (CallMsgFilterW( msg, MSGF_DIALOGBOX )) return TRUE;
1118 hwndDlg = WIN_GetFullHandle( hwndDlg );
1119 if (is_desktop_window(hwndDlg)) return FALSE;
1120 if ((hwndDlg != msg->hwnd) && !IsChild( hwndDlg, msg->hwnd )) return FALSE;
1122 hwndDlg = DIALOG_FindMsgDestination(hwndDlg);
1124 switch(msg->message)
1126 case WM_KEYDOWN:
1127 dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1128 if (dlgCode & (DLGC_WANTMESSAGE)) break;
1130 switch(msg->wParam)
1132 case VK_TAB:
1133 if (!(dlgCode & DLGC_WANTTAB))
1135 BOOL fIsDialog = TRUE;
1136 WND *pWnd = WIN_GetPtr( hwndDlg );
1138 if (pWnd && pWnd != WND_OTHER_PROCESS)
1140 fIsDialog = (pWnd->dlgInfo != NULL);
1141 WIN_ReleasePtr(pWnd);
1144 /* I am not sure under which circumstances the TAB is handled
1145 * each way. All I do know is that it does not always simply
1146 * send WM_NEXTDLGCTL. (Personally I have never yet seen it
1147 * do so but I presume someone has)
1149 if (fIsDialog)
1150 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (GetKeyState(VK_SHIFT) & 0x8000), 0 );
1151 else
1153 /* It would appear that GetNextDlgTabItem can handle being
1154 * passed hwndDlg rather than NULL but that is undocumented
1155 * so let's do it properly
1157 HWND hwndFocus = GetFocus();
1158 HWND hwndNext = GetNextDlgTabItem (hwndDlg,
1159 hwndFocus == hwndDlg ? NULL : hwndFocus,
1160 GetKeyState (VK_SHIFT) & 0x8000);
1161 if (hwndNext)
1163 dlgCode = SendMessageW (hwndNext, WM_GETDLGCODE,
1164 msg->wParam, (LPARAM)msg);
1165 if (dlgCode & DLGC_HASSETSEL)
1167 INT maxlen = 1 + SendMessageW (hwndNext, WM_GETTEXTLENGTH, 0, 0);
1168 WCHAR *buffer = HeapAlloc (GetProcessHeap(), 0, maxlen * sizeof(WCHAR));
1169 if (buffer)
1171 INT length;
1172 SendMessageW (hwndNext, WM_GETTEXT, maxlen, (LPARAM) buffer);
1173 length = strlenW (buffer);
1174 HeapFree (GetProcessHeap(), 0, buffer);
1175 SendMessageW (hwndNext, EM_SETSEL, 0, length);
1178 SetFocus (hwndNext);
1179 DIALOG_FixChildrenOnChangeFocus (hwndDlg, hwndNext);
1181 else
1182 return FALSE;
1184 return TRUE;
1186 break;
1188 case VK_RIGHT:
1189 case VK_DOWN:
1190 case VK_LEFT:
1191 case VK_UP:
1192 if (!(dlgCode & DLGC_WANTARROWS))
1194 BOOL fPrevious = (msg->wParam == VK_LEFT || msg->wParam == VK_UP);
1195 HWND hwndNext = GetNextDlgGroupItem (hwndDlg, GetFocus(), fPrevious );
1196 SendMessageW( hwndDlg, WM_NEXTDLGCTL, (WPARAM)hwndNext, 1 );
1197 return TRUE;
1199 break;
1201 case VK_CANCEL:
1202 case VK_ESCAPE:
1203 SendMessageW( hwndDlg, WM_COMMAND, IDCANCEL, (LPARAM)GetDlgItem( hwndDlg, IDCANCEL ) );
1204 return TRUE;
1206 case VK_EXECUTE:
1207 case VK_RETURN:
1209 DWORD dw;
1210 if ((GetFocus() == msg->hwnd) &&
1211 (SendMessageW (msg->hwnd, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
1213 SendMessageW (hwndDlg, WM_COMMAND, MAKEWPARAM (GetDlgCtrlID(msg->hwnd),BN_CLICKED), (LPARAM)msg->hwnd);
1215 else if (DC_HASDEFID == HIWORD(dw = SendMessageW (hwndDlg, DM_GETDEFID, 0, 0)))
1217 HWND hwndDef = GetDlgItem(hwndDlg, LOWORD(dw));
1218 if (!hwndDef || !IsWindowEnabled(hwndDef))
1219 return TRUE;
1220 SendMessageW( hwndDlg, WM_COMMAND, MAKEWPARAM( LOWORD(dw), BN_CLICKED ),
1221 (LPARAM)GetDlgItem(hwndDlg, LOWORD(dw)));
1223 else
1225 SendMessageW( hwndDlg, WM_COMMAND, IDOK, (LPARAM)GetDlgItem( hwndDlg, IDOK ) );
1229 return TRUE;
1231 break;
1233 case WM_CHAR:
1234 /* FIXME Under what circumstances does WM_GETDLGCODE get sent?
1235 * It does NOT get sent in the test program I have
1237 dlgCode = SendMessageW( msg->hwnd, WM_GETDLGCODE, msg->wParam, (LPARAM)msg );
1238 if (dlgCode & (DLGC_WANTCHARS|DLGC_WANTMESSAGE)) break;
1239 if (msg->wParam == '\t' && (dlgCode & DLGC_WANTTAB)) break;
1240 /* drop through */
1242 case WM_SYSCHAR:
1243 if (DIALOG_IsAccelerator( WIN_GetFullHandle(msg->hwnd), hwndDlg, msg->wParam ))
1245 /* don't translate or dispatch */
1246 return TRUE;
1248 break;
1251 TranslateMessage( msg );
1252 DispatchMessageW( msg );
1253 return TRUE;
1257 /***********************************************************************
1258 * GetDlgCtrlID (USER32.@)
1260 INT WINAPI GetDlgCtrlID( HWND hwnd )
1262 return GetWindowLongPtrW( hwnd, GWLP_ID );
1266 /***********************************************************************
1267 * GetDlgItem (USER32.@)
1269 HWND WINAPI GetDlgItem( HWND hwndDlg, INT id )
1271 int i;
1272 HWND *list = WIN_ListChildren( hwndDlg );
1273 HWND ret = 0;
1275 if (!list) return 0;
1277 for (i = 0; list[i]; i++) if (GetWindowLongPtrW( list[i], GWLP_ID ) == id) break;
1278 ret = list[i];
1279 HeapFree( GetProcessHeap(), 0, list );
1280 return ret;
1284 /*******************************************************************
1285 * SendDlgItemMessageA (USER32.@)
1287 LRESULT WINAPI SendDlgItemMessageA( HWND hwnd, INT id, UINT msg,
1288 WPARAM wParam, LPARAM lParam )
1290 HWND hwndCtrl = GetDlgItem( hwnd, id );
1291 if (hwndCtrl) return SendMessageA( hwndCtrl, msg, wParam, lParam );
1292 else return 0;
1296 /*******************************************************************
1297 * SendDlgItemMessageW (USER32.@)
1299 LRESULT WINAPI SendDlgItemMessageW( HWND hwnd, INT id, UINT msg,
1300 WPARAM wParam, LPARAM lParam )
1302 HWND hwndCtrl = GetDlgItem( hwnd, id );
1303 if (hwndCtrl) return SendMessageW( hwndCtrl, msg, wParam, lParam );
1304 else return 0;
1308 /*******************************************************************
1309 * SetDlgItemTextA (USER32.@)
1311 BOOL WINAPI SetDlgItemTextA( HWND hwnd, INT id, LPCSTR lpString )
1313 return SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1317 /*******************************************************************
1318 * SetDlgItemTextW (USER32.@)
1320 BOOL WINAPI SetDlgItemTextW( HWND hwnd, INT id, LPCWSTR lpString )
1322 return SendDlgItemMessageW( hwnd, id, WM_SETTEXT, 0, (LPARAM)lpString );
1326 /***********************************************************************
1327 * GetDlgItemTextA (USER32.@)
1329 UINT WINAPI GetDlgItemTextA( HWND hwnd, INT id, LPSTR str, INT len )
1331 if (str && (len > 0)) str[0] = '\0';
1332 return (UINT)SendDlgItemMessageA( hwnd, id, WM_GETTEXT,
1333 len, (LPARAM)str );
1337 /***********************************************************************
1338 * GetDlgItemTextW (USER32.@)
1340 UINT WINAPI GetDlgItemTextW( HWND hwnd, INT id, LPWSTR str, INT len )
1342 if (str && (len > 0)) str[0] = '\0';
1343 return (UINT)SendDlgItemMessageW( hwnd, id, WM_GETTEXT,
1344 len, (LPARAM)str );
1348 /*******************************************************************
1349 * SetDlgItemInt (USER32.@)
1351 BOOL WINAPI SetDlgItemInt( HWND hwnd, INT id, UINT value,
1352 BOOL fSigned )
1354 char str[20];
1356 if (fSigned) sprintf( str, "%d", (INT)value );
1357 else sprintf( str, "%u", value );
1358 SendDlgItemMessageA( hwnd, id, WM_SETTEXT, 0, (LPARAM)str );
1359 return TRUE;
1363 /***********************************************************************
1364 * GetDlgItemInt (USER32.@)
1366 UINT WINAPI GetDlgItemInt( HWND hwnd, INT id, BOOL *translated,
1367 BOOL fSigned )
1369 char str[30];
1370 char * endptr;
1371 long result = 0;
1373 if (translated) *translated = FALSE;
1374 if (!SendDlgItemMessageA(hwnd, id, WM_GETTEXT, sizeof(str), (LPARAM)str))
1375 return 0;
1376 if (fSigned)
1378 result = strtol( str, &endptr, 10 );
1379 if (!endptr || (endptr == str)) /* Conversion was unsuccessful */
1380 return 0;
1381 if (((result == LONG_MIN) || (result == LONG_MAX)) && (errno==ERANGE))
1382 return 0;
1384 else
1386 result = strtoul( str, &endptr, 10 );
1387 if (!endptr || (endptr == str)) /* Conversion was unsuccessful */
1388 return 0;
1389 if ((result == ULONG_MAX) && (errno == ERANGE)) return 0;
1391 if (translated) *translated = TRUE;
1392 return (UINT)result;
1396 /***********************************************************************
1397 * CheckDlgButton (USER32.@)
1399 BOOL WINAPI CheckDlgButton( HWND hwnd, INT id, UINT check )
1401 SendDlgItemMessageW( hwnd, id, BM_SETCHECK, check, 0 );
1402 return TRUE;
1406 /***********************************************************************
1407 * IsDlgButtonChecked (USER32.@)
1409 UINT WINAPI IsDlgButtonChecked( HWND hwnd, int id )
1411 return (UINT)SendDlgItemMessageW( hwnd, id, BM_GETCHECK, 0, 0 );
1415 /***********************************************************************
1416 * CheckRB
1418 * Callback function used to check/uncheck radio buttons that fall
1419 * within a specific range of IDs.
1421 static BOOL CALLBACK CheckRB(HWND hwndChild, LPARAM lParam)
1423 LONG lChildID = GetWindowLongPtrW(hwndChild, GWLP_ID);
1424 RADIOGROUP *lpRadioGroup = (RADIOGROUP *) lParam;
1426 if ((lChildID >= lpRadioGroup->firstID) &&
1427 (lChildID <= lpRadioGroup->lastID))
1429 if (lChildID == lpRadioGroup->checkID)
1431 SendMessageW(hwndChild, BM_SETCHECK, BST_CHECKED, 0);
1433 else
1435 SendMessageW(hwndChild, BM_SETCHECK, BST_UNCHECKED, 0);
1439 return TRUE;
1443 /***********************************************************************
1444 * CheckRadioButton (USER32.@)
1446 BOOL WINAPI CheckRadioButton( HWND hwndDlg, int firstID,
1447 int lastID, int checkID )
1449 RADIOGROUP radioGroup;
1451 radioGroup.firstID = firstID;
1452 radioGroup.lastID = lastID;
1453 radioGroup.checkID = checkID;
1455 return EnumChildWindows(hwndDlg, (WNDENUMPROC)CheckRB,
1456 (LPARAM)&radioGroup);
1460 /***********************************************************************
1461 * GetDialogBaseUnits (USER.243)
1462 * GetDialogBaseUnits (USER32.@)
1464 DWORD WINAPI GetDialogBaseUnits(void)
1466 static DWORD units;
1468 if (!units)
1470 HDC hdc;
1471 SIZE size;
1473 if ((hdc = GetDC(0)))
1475 size.cx = GdiGetCharDimensions( hdc, NULL, &size.cy );
1476 if (size.cx) units = MAKELONG( size.cx, size.cy );
1477 ReleaseDC( 0, hdc );
1479 TRACE("base units = %d,%d\n", LOWORD(units), HIWORD(units) );
1481 return units;
1485 /***********************************************************************
1486 * MapDialogRect (USER32.@)
1488 BOOL WINAPI MapDialogRect( HWND hwnd, LPRECT rect )
1490 DIALOGINFO * dlgInfo;
1491 if (!(dlgInfo = DIALOG_get_info( hwnd, FALSE ))) return FALSE;
1492 rect->left = MulDiv(rect->left, dlgInfo->xBaseUnit, 4);
1493 rect->right = MulDiv(rect->right, dlgInfo->xBaseUnit, 4);
1494 rect->top = MulDiv(rect->top, dlgInfo->yBaseUnit, 8);
1495 rect->bottom = MulDiv(rect->bottom, dlgInfo->yBaseUnit, 8);
1496 return TRUE;
1500 /***********************************************************************
1501 * GetNextDlgGroupItem (USER32.@)
1503 * Corrections to MSDN documentation
1505 * (Under Windows 2000 at least, where hwndDlg is not actually a dialog)
1506 * 1. hwndCtrl can be hwndDlg in which case it behaves as for NULL
1507 * 2. Prev of NULL or hwndDlg fails
1509 HWND WINAPI GetNextDlgGroupItem( HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1511 HWND hwnd, hwndNext, retvalue, hwndLastGroup = 0;
1512 BOOL fLooped=FALSE;
1513 BOOL fSkipping=FALSE;
1515 hwndDlg = WIN_GetFullHandle( hwndDlg );
1516 hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1518 if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1519 if (!hwndCtrl && fPrevious) return 0;
1521 if (hwndCtrl)
1523 if (!IsChild (hwndDlg, hwndCtrl)) return 0;
1525 else
1527 /* No ctrl specified -> start from the beginning */
1528 if (!(hwndCtrl = GetWindow( hwndDlg, GW_CHILD ))) return 0;
1529 /* MSDN is wrong. fPrevious does not result in the last child */
1531 /* Maybe that first one is valid. If so then we don't want to skip it*/
1532 if ((GetWindowLongW( hwndCtrl, GWL_STYLE ) & (WS_VISIBLE|WS_DISABLED)) == WS_VISIBLE)
1534 return hwndCtrl;
1538 /* Always go forward around the group and list of controls; for the
1539 * previous control keep track; for the next break when you find one
1541 retvalue = hwndCtrl;
1542 hwnd = hwndCtrl;
1543 while (hwndNext = GetWindow (hwnd, GW_HWNDNEXT),
1546 while (!hwndNext)
1548 /* Climb out until there is a next sibling of the ancestor or we
1549 * reach the top (in which case we loop back to the start)
1551 if (hwndDlg == GetParent (hwnd))
1553 /* Wrap around to the beginning of the list, within the same
1554 * group. (Once only)
1556 if (fLooped) goto end;
1557 fLooped = TRUE;
1558 hwndNext = GetWindow (hwndDlg, GW_CHILD);
1560 else
1562 hwnd = GetParent (hwnd);
1563 hwndNext = GetWindow (hwnd, GW_HWNDNEXT);
1566 hwnd = hwndNext;
1568 /* Wander down the leading edge of controlparents */
1569 while ( (GetWindowLongW (hwnd, GWL_EXSTYLE) & WS_EX_CONTROLPARENT) &&
1570 ((GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE | WS_DISABLED)) == WS_VISIBLE) &&
1571 (hwndNext = GetWindow (hwnd, GW_CHILD)))
1572 hwnd = hwndNext;
1573 /* Question. If the control is a control parent but either has no
1574 * children or is not visible/enabled then if it has a WS_GROUP does
1575 * it count? For that matter does it count anyway?
1576 * I believe it doesn't count.
1579 if ((GetWindowLongW (hwnd, GWL_STYLE) & WS_GROUP))
1581 hwndLastGroup = hwnd;
1582 if (!fSkipping)
1584 /* Look for the beginning of the group */
1585 fSkipping = TRUE;
1589 if (hwnd == hwndCtrl)
1591 if (!fSkipping) break;
1592 if (hwndLastGroup == hwnd) break;
1593 hwnd = hwndLastGroup;
1594 fSkipping = FALSE;
1595 fLooped = FALSE;
1598 if (!fSkipping &&
1599 (GetWindowLongW (hwnd, GWL_STYLE) & (WS_VISIBLE|WS_DISABLED)) ==
1600 WS_VISIBLE)
1602 retvalue = hwnd;
1603 if (!fPrevious) break;
1606 end:
1607 return retvalue;
1611 /***********************************************************************
1612 * DIALOG_GetNextTabItem
1614 * Recursive helper for GetNextDlgTabItem
1616 static HWND DIALOG_GetNextTabItem( HWND hwndMain, HWND hwndDlg, HWND hwndCtrl, BOOL fPrevious )
1618 LONG dsStyle;
1619 LONG exStyle;
1620 UINT wndSearch = fPrevious ? GW_HWNDPREV : GW_HWNDNEXT;
1621 HWND retWnd = 0;
1622 HWND hChildFirst = 0;
1624 if(!hwndCtrl)
1626 hChildFirst = GetWindow(hwndDlg,GW_CHILD);
1627 if(fPrevious) hChildFirst = GetWindow(hChildFirst,GW_HWNDLAST);
1629 else if (IsChild( hwndMain, hwndCtrl ))
1631 hChildFirst = GetWindow(hwndCtrl,wndSearch);
1632 if(!hChildFirst)
1634 if(GetParent(hwndCtrl) != hwndMain)
1635 /* i.e. if we are not at the top level of the recursion */
1636 hChildFirst = GetWindow(GetParent(hwndCtrl),wndSearch);
1637 else
1638 hChildFirst = GetWindow(hwndCtrl, fPrevious ? GW_HWNDLAST : GW_HWNDFIRST);
1642 while(hChildFirst)
1644 dsStyle = GetWindowLongA(hChildFirst,GWL_STYLE);
1645 exStyle = GetWindowLongA(hChildFirst,GWL_EXSTYLE);
1646 if( (exStyle & WS_EX_CONTROLPARENT) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1648 HWND retWnd;
1649 retWnd = DIALOG_GetNextTabItem(hwndMain,hChildFirst,NULL,fPrevious );
1650 if (retWnd) return (retWnd);
1652 else if( (dsStyle & WS_TABSTOP) && (dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED))
1654 return (hChildFirst);
1656 hChildFirst = GetWindow(hChildFirst,wndSearch);
1658 if(hwndCtrl)
1660 HWND hParent = GetParent(hwndCtrl);
1661 while(hParent)
1663 if(hParent == hwndMain) break;
1664 retWnd = DIALOG_GetNextTabItem(hwndMain,GetParent(hParent),hParent,fPrevious );
1665 if(retWnd) break;
1666 hParent = GetParent(hParent);
1668 if(!retWnd)
1669 retWnd = DIALOG_GetNextTabItem(hwndMain,hwndMain,NULL,fPrevious );
1671 return retWnd ? retWnd : hwndCtrl;
1674 /***********************************************************************
1675 * GetNextDlgTabItem (USER32.@)
1677 HWND WINAPI GetNextDlgTabItem( HWND hwndDlg, HWND hwndCtrl,
1678 BOOL fPrevious )
1680 hwndDlg = WIN_GetFullHandle( hwndDlg );
1681 hwndCtrl = WIN_GetFullHandle( hwndCtrl );
1683 /* Undocumented but tested under Win2000 and WinME */
1684 if (hwndDlg == hwndCtrl) hwndCtrl = NULL;
1686 /* Contrary to MSDN documentation, tested under Win2000 and WinME
1687 * NB GetLastError returns whatever was set before the function was
1688 * called.
1690 if (!hwndCtrl && fPrevious) return 0;
1692 return DIALOG_GetNextTabItem(hwndDlg,hwndDlg,hwndCtrl,fPrevious);
1695 /**********************************************************************
1696 * DIALOG_DlgDirSelect
1698 * Helper function for DlgDirSelect*
1700 static BOOL DIALOG_DlgDirSelect( HWND hwnd, LPWSTR str, INT len,
1701 INT id, BOOL unicode, BOOL combo )
1703 WCHAR *buffer, *ptr;
1704 INT item, size;
1705 BOOL ret;
1706 HWND listbox = GetDlgItem( hwnd, id );
1708 TRACE("%p %s %d\n", hwnd, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str), id );
1709 if (!listbox) return FALSE;
1711 item = SendMessageW(listbox, combo ? CB_GETCURSEL : LB_GETCURSEL, 0, 0 );
1712 if (item == LB_ERR) return FALSE;
1714 size = SendMessageW(listbox, combo ? CB_GETLBTEXTLEN : LB_GETTEXTLEN, item, 0 );
1715 if (size == LB_ERR) return FALSE;
1717 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (size+2) * sizeof(WCHAR) ))) return FALSE;
1719 SendMessageW( listbox, combo ? CB_GETLBTEXT : LB_GETTEXT, item, (LPARAM)buffer );
1721 if ((ret = (buffer[0] == '['))) /* drive or directory */
1723 if (buffer[1] == '-') /* drive */
1725 buffer[3] = ':';
1726 buffer[4] = 0;
1727 ptr = buffer + 2;
1729 else
1731 buffer[strlenW(buffer)-1] = '\\';
1732 ptr = buffer + 1;
1735 else
1737 /* Filenames without a dot extension must have one tacked at the end */
1738 if (strchrW(buffer, '.') == NULL)
1740 buffer[strlenW(buffer)+1] = '\0';
1741 buffer[strlenW(buffer)] = '.';
1743 ptr = buffer;
1746 if (!unicode)
1748 if (len > 0 && !WideCharToMultiByte( CP_ACP, 0, ptr, -1, (LPSTR)str, len, 0, 0 ))
1749 ((LPSTR)str)[len-1] = 0;
1751 else lstrcpynW( str, ptr, len );
1752 HeapFree( GetProcessHeap(), 0, buffer );
1753 TRACE("Returning %d %s\n", ret, unicode ? debugstr_w(str) : debugstr_a((LPSTR)str) );
1754 return ret;
1758 /**********************************************************************
1759 * DIALOG_DlgDirListW
1761 * Helper function for DlgDirList*W
1763 static INT DIALOG_DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1764 INT idStatic, UINT attrib, BOOL combo )
1766 HWND hwnd;
1767 LPWSTR orig_spec = spec;
1768 WCHAR any[] = {'*','.','*',0};
1770 #define SENDMSG(msg,wparam,lparam) \
1771 ((attrib & DDL_POSTMSGS) ? PostMessageW( hwnd, msg, wparam, lparam ) \
1772 : SendMessageW( hwnd, msg, wparam, lparam ))
1774 TRACE("%p %s %d %d %04x\n", hDlg, debugstr_w(spec), idLBox, idStatic, attrib );
1776 /* If the path exists and is a directory, chdir to it */
1777 if (!spec || !spec[0] || SetCurrentDirectoryW( spec )) spec = any;
1778 else
1780 WCHAR *p, *p2;
1781 p = spec;
1782 if ((p2 = strchrW( p, ':' ))) p = p2 + 1;
1783 if ((p2 = strrchrW( p, '\\' ))) p = p2;
1784 if ((p2 = strrchrW( p, '/' ))) p = p2;
1785 if (p != spec)
1787 WCHAR sep = *p;
1788 *p = 0;
1789 if (!SetCurrentDirectoryW( spec ))
1791 *p = sep; /* Restore the original spec */
1792 return FALSE;
1794 spec = p + 1;
1798 TRACE( "mask=%s\n", debugstr_w(spec) );
1800 if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
1802 if (attrib == DDL_DRIVES) attrib |= DDL_EXCLUSIVE;
1804 SENDMSG( combo ? CB_RESETCONTENT : LB_RESETCONTENT, 0, 0 );
1805 if (attrib & DDL_DIRECTORY)
1807 if (!(attrib & DDL_EXCLUSIVE))
1809 SENDMSG( combo ? CB_DIR : LB_DIR,
1810 attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
1811 (LPARAM)spec );
1813 SENDMSG( combo ? CB_DIR : LB_DIR,
1814 (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
1815 (LPARAM)any );
1817 else
1819 SENDMSG( combo ? CB_DIR : LB_DIR, attrib, (LPARAM)spec );
1823 /* Convert path specification to uppercase */
1824 if (spec) CharUpperW(spec);
1826 if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
1828 WCHAR temp[MAX_PATH];
1829 GetCurrentDirectoryW( sizeof(temp)/sizeof(WCHAR), temp );
1830 CharLowerW( temp );
1831 /* Can't use PostMessage() here, because the string is on the stack */
1832 SetDlgItemTextW( hDlg, idStatic, temp );
1835 if (orig_spec && (spec != orig_spec))
1837 /* Update the original file spec */
1838 WCHAR *p = spec;
1839 while ((*orig_spec++ = *p++));
1842 return TRUE;
1843 #undef SENDMSG
1847 /**********************************************************************
1848 * DIALOG_DlgDirListA
1850 * Helper function for DlgDirList*A
1852 static INT DIALOG_DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1853 INT idStatic, UINT attrib, BOOL combo )
1855 if (spec)
1857 INT ret, len = MultiByteToWideChar( CP_ACP, 0, spec, -1, NULL, 0 );
1858 LPWSTR specW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1859 MultiByteToWideChar( CP_ACP, 0, spec, -1, specW, len );
1860 ret = DIALOG_DlgDirListW( hDlg, specW, idLBox, idStatic, attrib, combo );
1861 WideCharToMultiByte( CP_ACP, 0, specW, -1, spec, 0x7fffffff, NULL, NULL );
1862 HeapFree( GetProcessHeap(), 0, specW );
1863 return ret;
1865 return DIALOG_DlgDirListW( hDlg, NULL, idLBox, idStatic, attrib, combo );
1869 /**********************************************************************
1870 * DlgDirSelectExA (USER32.@)
1872 BOOL WINAPI DlgDirSelectExA( HWND hwnd, LPSTR str, INT len, INT id )
1874 return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, FALSE );
1878 /**********************************************************************
1879 * DlgDirSelectExW (USER32.@)
1881 BOOL WINAPI DlgDirSelectExW( HWND hwnd, LPWSTR str, INT len, INT id )
1883 return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, FALSE );
1887 /**********************************************************************
1888 * DlgDirSelectComboBoxExA (USER32.@)
1890 BOOL WINAPI DlgDirSelectComboBoxExA( HWND hwnd, LPSTR str, INT len,
1891 INT id )
1893 return DIALOG_DlgDirSelect( hwnd, (LPWSTR)str, len, id, FALSE, TRUE );
1897 /**********************************************************************
1898 * DlgDirSelectComboBoxExW (USER32.@)
1900 BOOL WINAPI DlgDirSelectComboBoxExW( HWND hwnd, LPWSTR str, INT len,
1901 INT id)
1903 return DIALOG_DlgDirSelect( hwnd, str, len, id, TRUE, TRUE );
1907 /**********************************************************************
1908 * DlgDirListA (USER32.@)
1910 INT WINAPI DlgDirListA( HWND hDlg, LPSTR spec, INT idLBox,
1911 INT idStatic, UINT attrib )
1913 return DIALOG_DlgDirListA( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1917 /**********************************************************************
1918 * DlgDirListW (USER32.@)
1920 INT WINAPI DlgDirListW( HWND hDlg, LPWSTR spec, INT idLBox,
1921 INT idStatic, UINT attrib )
1923 return DIALOG_DlgDirListW( hDlg, spec, idLBox, idStatic, attrib, FALSE );
1927 /**********************************************************************
1928 * DlgDirListComboBoxA (USER32.@)
1930 INT WINAPI DlgDirListComboBoxA( HWND hDlg, LPSTR spec, INT idCBox,
1931 INT idStatic, UINT attrib )
1933 return DIALOG_DlgDirListA( hDlg, spec, idCBox, idStatic, attrib, TRUE );
1937 /**********************************************************************
1938 * DlgDirListComboBoxW (USER32.@)
1940 INT WINAPI DlgDirListComboBoxW( HWND hDlg, LPWSTR spec, INT idCBox,
1941 INT idStatic, UINT attrib )
1943 return DIALOG_DlgDirListW( hDlg, spec, idCBox, idStatic, attrib, TRUE );