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
29 #include "user_private.h"
30 #include "wine/debug.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
35 /***********************************************************************
38 static DLGPROC DEFDLG_GetDlgProc( HWND hwnd )
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 );
49 ret = *(DLGPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
50 WIN_ReleasePtr( wndPtr );
54 /***********************************************************************
57 * Set the focus to a control of the dialog, selecting the text if
58 * the control is an edit dialog that has DLGC_HASSETSEL.
60 static void DEFDLG_SetFocus( HWND hwndCtrl )
62 if (SendMessageW( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
63 SendMessageW( hwndCtrl, EM_SETSEL, 0, -1 );
68 /***********************************************************************
71 static void DEFDLG_SaveFocus( HWND hwnd )
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 /***********************************************************************
86 static void DEFDLG_RestoreFocus( HWND hwnd, BOOL justActivate )
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 (justActivate) return;
96 /* If no saved focus control exists, set focus to the first visible,
97 non-disabled, WS_TABSTOP control in the dialog */
98 infoPtr->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
99 /* If there are no WS_TABSTOP controls, set focus to the first visible,
100 non-disabled control in the dialog */
101 if (!infoPtr->hwndFocus) infoPtr->hwndFocus = GetNextDlgGroupItem( hwnd, 0, FALSE );
102 if (!IsWindow( infoPtr->hwndFocus )) return;
105 SetFocus( infoPtr->hwndFocus );
107 DEFDLG_SetFocus( infoPtr->hwndFocus );
109 /* This used to set infoPtr->hwndFocus to NULL for no apparent reason,
110 sometimes losing focus when receiving WM_SETFOCUS messages. */
114 /***********************************************************************
115 * DEFDLG_FindDefButton
117 * Find the current default push-button.
119 static HWND DEFDLG_FindDefButton( HWND hwndDlg )
121 HWND hwndChild, hwndTmp;
123 hwndChild = GetWindow( hwndDlg, GW_CHILD );
126 if (SendMessageW( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
129 /* Recurse into WS_EX_CONTROLPARENT controls */
130 if (GetWindowLongW( hwndChild, GWL_EXSTYLE ) & WS_EX_CONTROLPARENT)
132 LONG dsStyle = GetWindowLongW( hwndChild, GWL_STYLE );
133 if ((dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED) &&
134 (hwndTmp = DEFDLG_FindDefButton(hwndChild)) != NULL)
137 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
143 /***********************************************************************
146 * Set the default button id.
148 static BOOL DEFDLG_SetDefId( HWND hwndDlg, DIALOGINFO *dlgInfo, WPARAM wParam)
150 DWORD dlgcode=0; /* initialize just to avoid a warning */
151 HWND hwndOld, hwndNew = GetDlgItem(hwndDlg, wParam);
152 INT old_id = dlgInfo->idResult;
154 dlgInfo->idResult = wParam;
156 !((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 ))
157 & (DLGC_UNDEFPUSHBUTTON | DLGC_BUTTON)))
158 return FALSE; /* Destination is not a push button */
160 /* Make sure the old default control is a valid push button ID */
161 hwndOld = GetDlgItem( hwndDlg, old_id );
162 if (!hwndOld || !(SendMessageW( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
163 hwndOld = DEFDLG_FindDefButton( hwndDlg );
164 if (hwndOld && hwndOld != hwndNew)
165 SendMessageW( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
169 if(dlgcode & DLGC_UNDEFPUSHBUTTON)
170 SendMessageW( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
176 /***********************************************************************
177 * DEFDLG_SetDefButton
179 * Set the new default button to be hwndNew.
181 static BOOL DEFDLG_SetDefButton( HWND hwndDlg, DIALOGINFO *dlgInfo, HWND hwndNew )
183 DWORD dlgcode=0; /* initialize just to avoid a warning */
184 HWND hwndOld = GetDlgItem( hwndDlg, dlgInfo->idResult );
187 !((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 ))
188 & (DLGC_UNDEFPUSHBUTTON | DLGC_DEFPUSHBUTTON)))
191 * Need to draw only default push button rectangle.
192 * Since the next control is not a push button, need to draw the push
193 * button rectangle for the default control.
196 dlgcode = SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 );
199 /* Make sure the old default control is a valid push button ID */
200 if (!hwndOld || !(SendMessageW( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
201 hwndOld = DEFDLG_FindDefButton( hwndDlg );
202 if (hwndOld && hwndOld != hwndNew)
203 SendMessageW( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
207 if(dlgcode & DLGC_UNDEFPUSHBUTTON)
208 SendMessageW( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
214 /***********************************************************************
217 * Implementation of DefDlgProc(). Only handle messages that need special
218 * handling for dialogs.
220 static LRESULT DEFDLG_Proc( HWND hwnd, UINT msg, WPARAM wParam,
221 LPARAM lParam, DIALOGINFO *dlgInfo )
227 HBRUSH brush = (HBRUSH)SendMessageW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd );
228 if (!brush) brush = (HBRUSH)DefWindowProcW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd );
232 HDC hdc = (HDC)wParam;
233 GetClientRect( hwnd, &rect );
234 DPtoLP( hdc, (LPPOINT)&rect, 2 );
235 FillRect( hdc, &rect, brush );
244 if (dlgInfo->hUserFont) DeleteObject( dlgInfo->hUserFont );
245 if (dlgInfo->hMenu) DestroyMenu( dlgInfo->hMenu );
246 HeapFree( GetProcessHeap(), 0, dlgInfo );
248 wndPtr = WIN_GetPtr( hwnd );
249 wndPtr->dlgInfo = NULL;
250 WIN_ReleasePtr( wndPtr );
252 /* Window clean-up */
253 return DefWindowProcA( hwnd, msg, wParam, lParam );
256 if (!wParam) DEFDLG_SaveFocus( hwnd );
257 return DefWindowProcA( hwnd, msg, wParam, lParam );
260 if (wParam) DEFDLG_RestoreFocus( hwnd, TRUE );
261 else DEFDLG_SaveFocus( hwnd );
265 DEFDLG_RestoreFocus( hwnd, FALSE );
269 if (dlgInfo && !(dlgInfo->flags & DF_END))
270 DEFDLG_SetDefId( hwnd, dlgInfo, wParam );
274 if (dlgInfo && !(dlgInfo->flags & DF_END))
277 if (dlgInfo->idResult)
278 return MAKELONG( dlgInfo->idResult, DC_HASDEFID );
279 if ((hwndDefId = DEFDLG_FindDefButton( hwnd )))
280 return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
287 HWND hwndDest = (HWND)wParam;
289 hwndDest = GetNextDlgTabItem(hwnd, GetFocus(), wParam);
290 if (hwndDest) DEFDLG_SetFocus( hwndDest );
291 DEFDLG_SetDefButton( hwnd, dlgInfo, hwndDest );
295 case WM_ENTERMENULOOP:
297 case WM_NCLBUTTONDOWN:
299 HWND hwndFocus = GetFocus();
302 /* always make combo box hide its listbox control */
303 if (!SendMessageW( hwndFocus, CB_SHOWDROPDOWN, FALSE, 0 ))
304 SendMessageW( GetParent(hwndFocus), CB_SHOWDROPDOWN, FALSE, 0 );
307 return DefWindowProcA( hwnd, msg, wParam, lParam );
310 return dlgInfo ? (LRESULT)dlgInfo->hUserFont : 0;
313 PostMessageA( hwnd, WM_COMMAND, MAKEWPARAM(IDCANCEL, BN_CLICKED),
314 (LPARAM)GetDlgItem( hwnd, IDCANCEL ) );
320 /***********************************************************************
323 * Get the DIALOGINFO structure of a window, allocating it if needed
324 * and 'create' is TRUE.
326 DIALOGINFO *DIALOG_get_info( HWND hwnd, BOOL create )
331 wndPtr = WIN_GetPtr( hwnd );
332 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
334 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
338 dlgInfo = wndPtr->dlgInfo;
340 if (!dlgInfo && create)
342 if (!(dlgInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(*dlgInfo) )))
344 dlgInfo->hwndFocus = 0;
345 dlgInfo->hUserFont = 0;
347 dlgInfo->xBaseUnit = 0;
348 dlgInfo->yBaseUnit = 0;
349 dlgInfo->idResult = IDOK;
351 wndPtr->dlgInfo = dlgInfo;
355 WIN_ReleasePtr( wndPtr );
359 /***********************************************************************
360 * DefDlgProcA (USER32.@)
362 LRESULT WINAPI DefDlgProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
368 /* Perform DIALOGINFO initialization if not done */
369 if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return 0;
371 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 );
373 if ((dlgproc = DEFDLG_GetDlgProc( hwnd ))) /* Call dialog procedure */
374 result = WINPROC_CallDlgProcA( dlgproc, hwnd, msg, wParam, lParam );
376 if (!result && IsWindow(hwnd))
378 /* callback didn't process this message */
392 case WM_ENTERMENULOOP:
394 case WM_NCLBUTTONDOWN:
395 return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
403 return DefWindowProcA( hwnd, msg, wParam, lParam );
407 if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
408 msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
409 msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
410 msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
413 return GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );
417 /***********************************************************************
418 * DefDlgProcW (USER32.@)
420 LRESULT WINAPI DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
426 /* Perform DIALOGINFO initialization if not done */
427 if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return 0;
429 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 );
431 if ((dlgproc = DEFDLG_GetDlgProc( hwnd ))) /* Call dialog procedure */
432 result = WINPROC_CallDlgProcW( dlgproc, hwnd, msg, wParam, lParam );
434 if (!result && IsWindow(hwnd))
436 /* callback didn't process this message */
450 case WM_ENTERMENULOOP:
452 case WM_NCLBUTTONDOWN:
453 return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
461 return DefWindowProcW( hwnd, msg, wParam, lParam );
465 if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
466 msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
467 msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
468 msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
471 return GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );