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 + DWL_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 DEFDLG_SetFocus( hwnd, 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 (GetWindowLongA( hwndChild, GWL_EXSTYLE ) & WS_EX_CONTROLPARENT)
132 LONG dsStyle = GetWindowLongA( 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 *)SetWindowLongW( hwnd, DWL_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 WINPROC_FreeProc( DEFDLG_GetDlgProc( hwnd ), WIN_PROC_WINDOW );
251 HeapFree( GetProcessHeap(), 0, dlgInfo );
253 /* Window clean-up */
254 return DefWindowProcA( hwnd, msg, wParam, lParam );
257 if (!wParam) DEFDLG_SaveFocus( hwnd );
258 return DefWindowProcA( hwnd, msg, wParam, lParam );
261 if (wParam) DEFDLG_RestoreFocus( hwnd );
262 else DEFDLG_SaveFocus( hwnd );
266 DEFDLG_RestoreFocus( hwnd );
270 if (dlgInfo && !(dlgInfo->flags & DF_END))
271 DEFDLG_SetDefId( hwnd, dlgInfo, wParam );
275 if (dlgInfo && !(dlgInfo->flags & DF_END))
278 if (dlgInfo->idResult)
279 return MAKELONG( dlgInfo->idResult, DC_HASDEFID );
280 if ((hwndDefId = DEFDLG_FindDefButton( hwnd )))
281 return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
288 HWND hwndDest = (HWND)wParam;
290 hwndDest = GetNextDlgTabItem(hwnd, GetFocus(), wParam);
291 if (hwndDest) DEFDLG_SetFocus( hwnd, hwndDest );
292 DEFDLG_SetDefButton( hwnd, dlgInfo, hwndDest );
296 case WM_ENTERMENULOOP:
298 case WM_NCLBUTTONDOWN:
300 HWND hwndFocus = GetFocus();
303 /* always make combo box hide its listbox control */
304 if (!SendMessageA( hwndFocus, CB_SHOWDROPDOWN, FALSE, 0 ))
305 SendMessageA( GetParent(hwndFocus), CB_SHOWDROPDOWN, FALSE, 0 );
308 return DefWindowProcA( hwnd, msg, wParam, lParam );
311 return dlgInfo ? (LRESULT)dlgInfo->hUserFont : 0;
314 PostMessageA( hwnd, WM_COMMAND, MAKEWPARAM(IDCANCEL, BN_CLICKED),
315 (LPARAM)GetDlgItem( hwnd, IDCANCEL ) );
318 case WM_NOTIFYFORMAT:
319 return DefWindowProcA( hwnd, msg, wParam, lParam );
324 /***********************************************************************
327 static LRESULT DEFDLG_Epilog(HWND hwnd, UINT msg, BOOL fResult)
331 if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
332 msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
333 msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
334 msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
337 return GetWindowLongA( hwnd, DWL_MSGRESULT );
340 /***********************************************************************
343 * Get the DIALOGINFO structure of a window, allocating it if needed
344 * and 'create' is TRUE.
346 DIALOGINFO *DIALOG_get_info( HWND hwnd, BOOL create )
349 DIALOGINFO* dlgInfo = (DIALOGINFO *)GetWindowLongW( hwnd, DWL_WINE_DIALOGINFO );
351 if(!dlgInfo && create)
353 if (!(dlgInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(*dlgInfo) ))) return NULL;
354 dlgInfo->hwndFocus = 0;
355 dlgInfo->hUserFont = 0;
357 dlgInfo->xBaseUnit = 0;
358 dlgInfo->yBaseUnit = 0;
359 dlgInfo->idResult = 0;
361 dlgInfo->hDialogHeap = 0;
362 wndPtr = WIN_GetPtr( hwnd );
363 if (wndPtr && wndPtr != WND_OTHER_PROCESS)
365 wndPtr->flags |= WIN_ISDIALOG;
366 WIN_ReleasePtr( wndPtr );
367 SetWindowLongW( hwnd, DWL_WINE_DIALOGINFO, (LONG)dlgInfo );
371 HeapFree( GetProcessHeap(), 0, dlgInfo );
378 /***********************************************************************
379 * DefDlgProc (USER.308)
381 LRESULT WINAPI DefDlgProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
386 HWND hwnd32 = WIN_Handle32( hwnd );
389 /* Perform DIALOGINFO intialization if not done */
390 if(!(dlgInfo = DIALOG_get_info(hwnd32, TRUE))) return -1;
392 SetWindowLongW( hwnd32, DWL_MSGRESULT, 0 );
394 if ((dlgproc = (WNDPROC16)DEFDLG_GetDlgProc( hwnd32 )))
396 /* Call dialog procedure */
397 result = CallWindowProc16( dlgproc, hwnd, msg, wParam, lParam );
398 /* 16 bit dlg procs only return BOOL16 */
399 if( WINPROC_GetProcType( (WNDPROC)dlgproc ) == WIN_PROC_16 )
400 result = LOWORD(result);
403 if (!result && IsWindow(hwnd32))
405 /* callback didn't process this message */
419 case WM_ENTERMENULOOP:
421 case WM_NCLBUTTONDOWN:
422 return DEFDLG_Proc( hwnd32, msg, (WPARAM)wParam, lParam, dlgInfo );
430 return DefWindowProc16( hwnd, msg, wParam, lParam );
433 return DEFDLG_Epilog( hwnd32, msg, result);
437 /***********************************************************************
438 * DefDlgProcA (USER32.@)
440 LRESULT WINAPI DefDlgProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
446 /* Perform DIALOGINFO initialization if not done */
447 if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return -1;
449 SetWindowLongW( hwnd, DWL_MSGRESULT, 0 );
451 if ((dlgproc = DEFDLG_GetDlgProc( hwnd )))
453 /* Call dialog procedure */
454 result = CallWindowProcA( dlgproc, hwnd, msg, wParam, lParam );
455 /* 16 bit dlg procs only return BOOL16 */
456 if( WINPROC_GetProcType( dlgproc ) == WIN_PROC_16 )
457 result = LOWORD(result);
460 if (!result && IsWindow(hwnd))
462 /* callback didn't process this message */
476 case WM_ENTERMENULOOP:
478 case WM_NCLBUTTONDOWN:
479 return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
487 return DefWindowProcA( hwnd, msg, wParam, lParam );
490 return DEFDLG_Epilog(hwnd, msg, result);
494 /***********************************************************************
495 * DefDlgProcW (USER32.@)
497 LRESULT WINAPI DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
503 /* Perform DIALOGINFO intialization if not done */
504 if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return -1;
506 SetWindowLongW( hwnd, DWL_MSGRESULT, 0 );
508 if ((dlgproc = DEFDLG_GetDlgProc( hwnd )))
510 /* Call dialog procedure */
511 result = CallWindowProcW( dlgproc, hwnd, msg, wParam, lParam );
512 /* 16 bit dlg procs only return BOOL16 */
513 if( WINPROC_GetProcType( dlgproc ) == WIN_PROC_16 )
514 result = LOWORD(result);
517 if (!result && IsWindow(hwnd))
519 /* callback didn't process this message */
533 case WM_ENTERMENULOOP:
535 case WM_NCLBUTTONDOWN:
536 return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
544 return DefWindowProcW( hwnd, msg, wParam, lParam );
547 return DEFDLG_Epilog(hwnd, msg, result);