msvcrt/tests: Remove a space before a '\n'.
[wine/gsoc-2012-control.git] / dlls / user32 / defdlg.c
blobee1b58ec4615060b298aa0451855912fc3d3ad70
1 /*
2 * Default dialog procedure
4 * Copyright 1993, 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 <stdarg.h>
23 #include "windef.h"
24 #include "winbase.h"
25 #include "wingdi.h"
26 #include "wine/winuser16.h"
27 #include "controls.h"
28 #include "win.h"
29 #include "user_private.h"
30 #include "wine/debug.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
35 /***********************************************************************
36 * DEFDLG_GetDlgProc
38 static DLGPROC DEFDLG_GetDlgProc( HWND hwnd )
40 DLGPROC ret;
41 WND *wndPtr = WIN_GetPtr( hwnd );
43 if (!wndPtr) return 0;
44 if (wndPtr == WND_OTHER_PROCESS)
46 ERR( "cannot get dlg proc %p from other process\n", hwnd );
47 return 0;
49 ret = *(DLGPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
50 WIN_ReleasePtr( wndPtr );
51 return ret;
54 /***********************************************************************
55 * DEFDLG_SetFocus
57 * Set the focus to a control of the dialog, selecting the text if
58 * the control is an edit dialog.
60 static void DEFDLG_SetFocus( HWND hwndDlg, HWND hwndCtrl )
62 if (SendMessageW( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
63 SendMessageW( hwndCtrl, EM_SETSEL, 0, -1 );
64 SetFocus( hwndCtrl );
68 /***********************************************************************
69 * DEFDLG_SaveFocus
71 static void DEFDLG_SaveFocus( HWND hwnd )
73 DIALOGINFO *infoPtr;
74 HWND hwndFocus = GetFocus();
76 if (!hwndFocus || !IsChild( hwnd, hwndFocus )) return;
77 if (!(infoPtr = DIALOG_get_info( hwnd, FALSE ))) return;
78 infoPtr->hwndFocus = hwndFocus;
79 /* Remove default button */
83 /***********************************************************************
84 * DEFDLG_RestoreFocus
86 static void DEFDLG_RestoreFocus( HWND hwnd )
88 DIALOGINFO *infoPtr;
90 if (IsIconic( hwnd )) return;
91 if (!(infoPtr = DIALOG_get_info( hwnd, FALSE ))) return;
92 /* Don't set the focus back to controls if EndDialog is already called.*/
93 if (infoPtr->flags & DF_END) return;
94 if (!IsWindow(infoPtr->hwndFocus) || infoPtr->hwndFocus == hwnd) {
95 /* If no saved focus control exists, set focus to the first visible,
96 non-disabled, WS_TABSTOP control in the dialog */
97 infoPtr->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
98 if (!IsWindow( infoPtr->hwndFocus )) return;
100 DEFDLG_SetFocus( hwnd, infoPtr->hwndFocus );
102 /* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
103 sometimes losing focus when receiving WM_SETFOCUS messages. */
107 /***********************************************************************
108 * DEFDLG_FindDefButton
110 * Find the current default push-button.
112 static HWND DEFDLG_FindDefButton( HWND hwndDlg )
114 HWND hwndChild, hwndTmp;
116 hwndChild = GetWindow( hwndDlg, GW_CHILD );
117 while (hwndChild)
119 if (SendMessageW( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
120 break;
122 /* Recurse into WS_EX_CONTROLPARENT controls */
123 if (GetWindowLongW( hwndChild, GWL_EXSTYLE ) & WS_EX_CONTROLPARENT)
125 LONG dsStyle = GetWindowLongW( hwndChild, GWL_STYLE );
126 if ((dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED) &&
127 (hwndTmp = DEFDLG_FindDefButton(hwndChild)) != NULL)
128 return hwndTmp;
130 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
132 return hwndChild;
136 /***********************************************************************
137 * DEFDLG_SetDefId
139 * Set the default button id.
141 static BOOL DEFDLG_SetDefId( HWND hwndDlg, DIALOGINFO *dlgInfo, WPARAM wParam)
143 DWORD dlgcode=0; /* initialize just to avoid a warning */
144 HWND hwndOld, hwndNew = GetDlgItem(hwndDlg, wParam);
145 INT old_id = dlgInfo->idResult;
147 dlgInfo->idResult = wParam;
148 if (hwndNew &&
149 !((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 ))
150 & (DLGC_UNDEFPUSHBUTTON | DLGC_BUTTON)))
151 return FALSE; /* Destination is not a push button */
153 /* Make sure the old default control is a valid push button ID */
154 hwndOld = GetDlgItem( hwndDlg, old_id );
155 if (!hwndOld || !(SendMessageW( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
156 hwndOld = DEFDLG_FindDefButton( hwndDlg );
157 if (hwndOld && hwndOld != hwndNew)
158 SendMessageW( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
160 if (hwndNew)
162 if(dlgcode & DLGC_UNDEFPUSHBUTTON)
163 SendMessageW( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
165 return TRUE;
169 /***********************************************************************
170 * DEFDLG_SetDefButton
172 * Set the new default button to be hwndNew.
174 static BOOL DEFDLG_SetDefButton( HWND hwndDlg, DIALOGINFO *dlgInfo, HWND hwndNew )
176 DWORD dlgcode=0; /* initialize just to avoid a warning */
177 HWND hwndOld = GetDlgItem( hwndDlg, dlgInfo->idResult );
179 if (hwndNew &&
180 !((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 ))
181 & (DLGC_UNDEFPUSHBUTTON | DLGC_DEFPUSHBUTTON)))
184 * Need to draw only default push button rectangle.
185 * Since the next control is not a push button, need to draw the push
186 * button rectangle for the default control.
188 hwndNew = hwndOld;
189 dlgcode = SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 );
192 /* Make sure the old default control is a valid push button ID */
193 if (!hwndOld || !(SendMessageW( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
194 hwndOld = DEFDLG_FindDefButton( hwndDlg );
195 if (hwndOld && hwndOld != hwndNew)
196 SendMessageW( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
198 if (hwndNew)
200 if(dlgcode & DLGC_UNDEFPUSHBUTTON)
201 SendMessageW( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
203 return TRUE;
207 /***********************************************************************
208 * DEFDLG_Proc
210 * Implementation of DefDlgProc(). Only handle messages that need special
211 * handling for dialogs.
213 static LRESULT DEFDLG_Proc( HWND hwnd, UINT msg, WPARAM wParam,
214 LPARAM lParam, DIALOGINFO *dlgInfo )
216 switch(msg)
218 case WM_ERASEBKGND:
220 HBRUSH brush = (HBRUSH)SendMessageW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd );
221 if (!brush) brush = (HBRUSH)DefWindowProcW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd );
222 if (brush)
224 RECT rect;
225 HDC hdc = (HDC)wParam;
226 GetClientRect( hwnd, &rect );
227 DPtoLP( hdc, (LPPOINT)&rect, 2 );
228 FillRect( hdc, &rect, brush );
230 return 1;
232 case WM_NCDESTROY:
233 if (dlgInfo)
235 WND *wndPtr;
237 /* Free dialog heap (if created) */
238 if (dlgInfo->hDialogHeap)
240 GlobalUnlock16(dlgInfo->hDialogHeap);
241 GlobalFree16(dlgInfo->hDialogHeap);
243 if (dlgInfo->hUserFont) DeleteObject( dlgInfo->hUserFont );
244 if (dlgInfo->hMenu) DestroyMenu( dlgInfo->hMenu );
245 HeapFree( GetProcessHeap(), 0, dlgInfo );
247 wndPtr = WIN_GetPtr( hwnd );
248 wndPtr->dlgInfo = NULL;
249 WIN_ReleasePtr( wndPtr );
251 /* Window clean-up */
252 return DefWindowProcA( hwnd, msg, wParam, lParam );
254 case WM_SHOWWINDOW:
255 if (!wParam) DEFDLG_SaveFocus( hwnd );
256 return DefWindowProcA( hwnd, msg, wParam, lParam );
258 case WM_ACTIVATE:
259 if (wParam) DEFDLG_RestoreFocus( hwnd );
260 else DEFDLG_SaveFocus( hwnd );
261 return 0;
263 case WM_SETFOCUS:
264 DEFDLG_RestoreFocus( hwnd );
265 return 0;
267 case DM_SETDEFID:
268 if (dlgInfo && !(dlgInfo->flags & DF_END))
269 DEFDLG_SetDefId( hwnd, dlgInfo, wParam );
270 return 1;
272 case DM_GETDEFID:
273 if (dlgInfo && !(dlgInfo->flags & DF_END))
275 HWND hwndDefId;
276 if (dlgInfo->idResult)
277 return MAKELONG( dlgInfo->idResult, DC_HASDEFID );
278 if ((hwndDefId = DEFDLG_FindDefButton( hwnd )))
279 return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
281 return 0;
283 case WM_NEXTDLGCTL:
284 if (dlgInfo)
286 HWND hwndDest = (HWND)wParam;
287 if (!lParam)
288 hwndDest = GetNextDlgTabItem(hwnd, GetFocus(), wParam);
289 if (hwndDest) DEFDLG_SetFocus( hwnd, hwndDest );
290 DEFDLG_SetDefButton( hwnd, dlgInfo, hwndDest );
292 return 0;
294 case WM_ENTERMENULOOP:
295 case WM_LBUTTONDOWN:
296 case WM_NCLBUTTONDOWN:
298 HWND hwndFocus = GetFocus();
299 if (hwndFocus)
301 /* always make combo box hide its listbox control */
302 if (!SendMessageW( hwndFocus, CB_SHOWDROPDOWN, FALSE, 0 ))
303 SendMessageW( GetParent(hwndFocus), CB_SHOWDROPDOWN, FALSE, 0 );
306 return DefWindowProcA( hwnd, msg, wParam, lParam );
308 case WM_GETFONT:
309 return dlgInfo ? (LRESULT)dlgInfo->hUserFont : 0;
311 case WM_CLOSE:
312 PostMessageA( hwnd, WM_COMMAND, MAKEWPARAM(IDCANCEL, BN_CLICKED),
313 (LPARAM)GetDlgItem( hwnd, IDCANCEL ) );
314 return 0;
316 return 0;
319 /***********************************************************************
320 * DEFDLG_Epilog
322 static LRESULT DEFDLG_Epilog(HWND hwnd, UINT msg, BOOL fResult)
324 /* see SDK 3.1 */
326 if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
327 msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
328 msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
329 msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
330 return fResult;
332 return GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );
335 /***********************************************************************
336 * DIALOG_get_info
338 * Get the DIALOGINFO structure of a window, allocating it if needed
339 * and 'create' is TRUE.
341 DIALOGINFO *DIALOG_get_info( HWND hwnd, BOOL create )
343 WND* wndPtr;
344 DIALOGINFO* dlgInfo;
346 wndPtr = WIN_GetPtr( hwnd );
347 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
348 return NULL;
350 dlgInfo = wndPtr->dlgInfo;
352 if (!dlgInfo && create)
354 if (!(dlgInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(*dlgInfo) )))
355 goto out;
356 dlgInfo->hwndFocus = 0;
357 dlgInfo->hUserFont = 0;
358 dlgInfo->hMenu = 0;
359 dlgInfo->xBaseUnit = 0;
360 dlgInfo->yBaseUnit = 0;
361 dlgInfo->idResult = 0;
362 dlgInfo->flags = 0;
363 dlgInfo->hDialogHeap = 0;
364 wndPtr->dlgInfo = dlgInfo;
365 wndPtr->flags |= WIN_ISDIALOG;
368 out:
369 WIN_ReleasePtr( wndPtr );
370 return dlgInfo;
373 /***********************************************************************
374 * DefDlgProc (USER.308)
376 LRESULT WINAPI DefDlgProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
377 LPARAM lParam )
379 DIALOGINFO *dlgInfo;
380 DLGPROC16 dlgproc;
381 HWND hwnd32 = WIN_Handle32( hwnd );
382 BOOL result = FALSE;
384 /* Perform DIALOGINFO initialization if not done */
385 if(!(dlgInfo = DIALOG_get_info(hwnd32, TRUE))) return -1;
387 SetWindowLongPtrW( hwnd32, DWLP_MSGRESULT, 0 );
389 if ((dlgproc = (DLGPROC16)DEFDLG_GetDlgProc( hwnd32 ))) /* Call dialog procedure */
390 result = WINPROC_CallDlgProc16( dlgproc, hwnd, msg, wParam, lParam );
392 if (!result && IsWindow(hwnd32))
394 /* callback didn't process this message */
396 switch(msg)
398 case WM_ERASEBKGND:
399 case WM_SHOWWINDOW:
400 case WM_ACTIVATE:
401 case WM_SETFOCUS:
402 case DM_SETDEFID:
403 case DM_GETDEFID:
404 case WM_NEXTDLGCTL:
405 case WM_GETFONT:
406 case WM_CLOSE:
407 case WM_NCDESTROY:
408 case WM_ENTERMENULOOP:
409 case WM_LBUTTONDOWN:
410 case WM_NCLBUTTONDOWN:
411 return DEFDLG_Proc( hwnd32, msg, (WPARAM)wParam, lParam, dlgInfo );
412 case WM_INITDIALOG:
413 case WM_VKEYTOITEM:
414 case WM_COMPAREITEM:
415 case WM_CHARTOITEM:
416 break;
418 default:
419 return DefWindowProc16( hwnd, msg, wParam, lParam );
422 return DEFDLG_Epilog( hwnd32, msg, result);
426 /***********************************************************************
427 * DefDlgProcA (USER32.@)
429 LRESULT WINAPI DefDlgProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
431 DIALOGINFO *dlgInfo;
432 DLGPROC dlgproc;
433 BOOL result = FALSE;
435 /* Perform DIALOGINFO initialization if not done */
436 if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return -1;
438 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 );
440 if ((dlgproc = DEFDLG_GetDlgProc( hwnd ))) /* Call dialog procedure */
441 result = WINPROC_CallDlgProcA( dlgproc, hwnd, msg, wParam, lParam );
443 if (!result && IsWindow(hwnd))
445 /* callback didn't process this message */
447 switch(msg)
449 case WM_ERASEBKGND:
450 case WM_SHOWWINDOW:
451 case WM_ACTIVATE:
452 case WM_SETFOCUS:
453 case DM_SETDEFID:
454 case DM_GETDEFID:
455 case WM_NEXTDLGCTL:
456 case WM_GETFONT:
457 case WM_CLOSE:
458 case WM_NCDESTROY:
459 case WM_ENTERMENULOOP:
460 case WM_LBUTTONDOWN:
461 case WM_NCLBUTTONDOWN:
462 return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
463 case WM_INITDIALOG:
464 case WM_VKEYTOITEM:
465 case WM_COMPAREITEM:
466 case WM_CHARTOITEM:
467 break;
469 default:
470 return DefWindowProcA( hwnd, msg, wParam, lParam );
473 return DEFDLG_Epilog(hwnd, msg, result);
477 /***********************************************************************
478 * DefDlgProcW (USER32.@)
480 LRESULT WINAPI DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
482 DIALOGINFO *dlgInfo;
483 BOOL result = FALSE;
484 DLGPROC dlgproc;
486 /* Perform DIALOGINFO initialization if not done */
487 if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return -1;
489 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 );
491 if ((dlgproc = DEFDLG_GetDlgProc( hwnd ))) /* Call dialog procedure */
492 result = WINPROC_CallDlgProcW( dlgproc, hwnd, msg, wParam, lParam );
494 if (!result && IsWindow(hwnd))
496 /* callback didn't process this message */
498 switch(msg)
500 case WM_ERASEBKGND:
501 case WM_SHOWWINDOW:
502 case WM_ACTIVATE:
503 case WM_SETFOCUS:
504 case DM_SETDEFID:
505 case DM_GETDEFID:
506 case WM_NEXTDLGCTL:
507 case WM_GETFONT:
508 case WM_CLOSE:
509 case WM_NCDESTROY:
510 case WM_ENTERMENULOOP:
511 case WM_LBUTTONDOWN:
512 case WM_NCLBUTTONDOWN:
513 return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
514 case WM_INITDIALOG:
515 case WM_VKEYTOITEM:
516 case WM_COMPAREITEM:
517 case WM_CHARTOITEM:
518 break;
520 default:
521 return DefWindowProcW( hwnd, msg, wParam, lParam );
524 return DEFDLG_Epilog(hwnd, msg, result);