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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "wine/winuser16.h"
30 #include "wine/debug.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(dialog);
35 /***********************************************************************
38 static WNDPROC 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 = *(WNDPROC *)((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.
60 static void DEFDLG_SetFocus( HWND hwndDlg, HWND hwndCtrl )
62 HWND hwndPrev = GetFocus();
64 if (IsChild( hwndDlg, hwndPrev ))
66 if (SendMessageW( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
67 SendMessageW( hwndPrev, EM_SETSEL, -1, 0 );
69 if (SendMessageW( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
70 SendMessageW( hwndCtrl, EM_SETSEL, 0, -1 );
75 /***********************************************************************
78 static void DEFDLG_SaveFocus( HWND hwnd )
81 HWND hwndFocus = GetFocus();
83 if (!hwndFocus || !IsChild( hwnd, hwndFocus )) return;
84 if (!(infoPtr = DIALOG_get_info( hwnd, FALSE ))) return;
85 infoPtr->hwndFocus = hwndFocus;
86 /* Remove default button */
90 /***********************************************************************
93 static void DEFDLG_RestoreFocus( HWND hwnd )
97 if (IsIconic( hwnd )) return;
98 if (!(infoPtr = DIALOG_get_info( hwnd, FALSE ))) return;
99 /* Don't set the focus back to controls if EndDialog is already called.*/
100 if (infoPtr->flags & DF_END) return;
101 if (!IsWindow(infoPtr->hwndFocus) || infoPtr->hwndFocus == hwnd) {
102 /* If no saved focus control exists, set focus to the first visible,
103 non-disabled, WS_TABSTOP control in the dialog */
104 infoPtr->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
105 if (!IsWindow( infoPtr->hwndFocus )) return;
107 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 || !(SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
163 hwndOld = DEFDLG_FindDefButton( hwndDlg );
164 if (hwndOld && hwndOld != hwndNew)
165 SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
169 if(dlgcode & DLGC_UNDEFPUSHBUTTON)
170 SendMessageA( 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 || !(SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
201 hwndOld = DEFDLG_FindDefButton( hwndDlg );
202 if (hwndOld && hwndOld != hwndNew)
203 SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
207 if(dlgcode & DLGC_UNDEFPUSHBUTTON)
208 SendMessageA( 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 );
240 if ((dlgInfo = (DIALOGINFO *)SetWindowLongPtrW( hwnd, DWLP_WINE_DIALOGINFO, 0 )))
242 /* Free dialog heap (if created) */
243 if (dlgInfo->hDialogHeap)
245 GlobalUnlock16(dlgInfo->hDialogHeap);
246 GlobalFree16(dlgInfo->hDialogHeap);
248 if (dlgInfo->hUserFont) DeleteObject( dlgInfo->hUserFont );
249 if (dlgInfo->hMenu) DestroyMenu( dlgInfo->hMenu );
250 HeapFree( GetProcessHeap(), 0, dlgInfo );
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 );
261 else DEFDLG_SaveFocus( hwnd );
265 DEFDLG_RestoreFocus( hwnd );
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( hwnd, 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 (!SendMessageA( hwndFocus, CB_SHOWDROPDOWN, FALSE, 0 ))
304 SendMessageA( 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 ) );
317 case WM_NOTIFYFORMAT:
318 return DefWindowProcA( hwnd, msg, wParam, lParam );
323 /***********************************************************************
326 static LRESULT DEFDLG_Epilog(HWND hwnd, UINT msg, BOOL fResult)
330 if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
331 msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
332 msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
333 msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
336 return GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );
339 /***********************************************************************
342 * Get the DIALOGINFO structure of a window, allocating it if needed
343 * and 'create' is TRUE.
345 DIALOGINFO *DIALOG_get_info( HWND hwnd, BOOL create )
348 DIALOGINFO* dlgInfo = (DIALOGINFO *)GetWindowLongPtrW( hwnd, DWLP_WINE_DIALOGINFO );
350 if(!dlgInfo && create)
352 if (!(dlgInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(*dlgInfo) ))) return NULL;
353 dlgInfo->hwndFocus = 0;
354 dlgInfo->hUserFont = 0;
356 dlgInfo->xBaseUnit = 0;
357 dlgInfo->yBaseUnit = 0;
358 dlgInfo->idResult = 0;
360 dlgInfo->hDialogHeap = 0;
361 wndPtr = WIN_GetPtr( hwnd );
362 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
364 wndPtr->flags |= WIN_ISDIALOG;
365 WIN_ReleasePtr( wndPtr );
366 SetWindowLongPtrW( hwnd, DWLP_WINE_DIALOGINFO, (ULONG_PTR)dlgInfo );
370 HeapFree( GetProcessHeap(), 0, dlgInfo );
377 /***********************************************************************
378 * DefDlgProc (USER.308)
380 LRESULT WINAPI DefDlgProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
385 HWND hwnd32 = WIN_Handle32( hwnd );
388 /* Perform DIALOGINFO intialization if not done */
389 if(!(dlgInfo = DIALOG_get_info(hwnd32, TRUE))) return -1;
391 SetWindowLongPtrW( hwnd32, DWLP_MSGRESULT, 0 );
393 if ((dlgproc = (WNDPROC16)DEFDLG_GetDlgProc( hwnd32 )))
395 /* Call dialog procedure */
396 result = CallWindowProc16( dlgproc, hwnd, msg, wParam, lParam );
397 /* 16 bit dlg procs only return BOOL16 */
398 if( WINPROC_GetProcType( (WNDPROC)dlgproc ) == WIN_PROC_16 )
399 result = LOWORD(result);
402 if (!result && IsWindow(hwnd32))
404 /* callback didn't process this message */
418 case WM_ENTERMENULOOP:
420 case WM_NCLBUTTONDOWN:
421 return DEFDLG_Proc( hwnd32, msg, (WPARAM)wParam, lParam, dlgInfo );
429 return DefWindowProc16( hwnd, msg, wParam, lParam );
432 return DEFDLG_Epilog( hwnd32, msg, result);
436 /***********************************************************************
437 * DefDlgProcA (USER32.@)
439 LRESULT WINAPI DefDlgProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
445 /* Perform DIALOGINFO initialization if not done */
446 if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return -1;
448 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 );
450 if ((dlgproc = DEFDLG_GetDlgProc( hwnd )))
452 /* Call dialog procedure */
453 result = CallWindowProcA( dlgproc, hwnd, msg, wParam, lParam );
454 /* 16 bit dlg procs only return BOOL16 */
455 if( WINPROC_GetProcType( dlgproc ) == WIN_PROC_16 )
456 result = LOWORD(result);
459 if (!result && IsWindow(hwnd))
461 /* callback didn't process this message */
475 case WM_ENTERMENULOOP:
477 case WM_NCLBUTTONDOWN:
478 return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
486 return DefWindowProcA( hwnd, msg, wParam, lParam );
489 return DEFDLG_Epilog(hwnd, msg, result);
493 /***********************************************************************
494 * DefDlgProcW (USER32.@)
496 LRESULT WINAPI DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
502 /* Perform DIALOGINFO intialization if not done */
503 if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return -1;
505 SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 );
507 if ((dlgproc = DEFDLG_GetDlgProc( hwnd )))
509 /* Call dialog procedure */
510 result = CallWindowProcW( dlgproc, hwnd, msg, wParam, lParam );
511 /* 16 bit dlg procs only return BOOL16 */
512 if( WINPROC_GetProcType( dlgproc ) == WIN_PROC_16 )
513 result = LOWORD(result);
516 if (!result && IsWindow(hwnd))
518 /* callback didn't process this message */
532 case WM_ENTERMENULOOP:
534 case WM_NCLBUTTONDOWN:
535 return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
543 return DefWindowProcW( hwnd, msg, wParam, lParam );
546 return DEFDLG_Epilog(hwnd, msg, result);