488 lines
15 KiB
C
488 lines
15 KiB
C
/*
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* Default dialog procedure
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*
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* Copyright 1993, 1996 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "controls.h"
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#include "win.h"
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#include "user_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dialog);
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/***********************************************************************
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* DEFDLG_GetDlgProc
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*/
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static DLGPROC DEFDLG_GetDlgProc( HWND hwnd )
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{
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DLGPROC ret;
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WND *wndPtr = WIN_GetPtr( hwnd );
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if (!wndPtr) return 0;
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if (wndPtr == WND_OTHER_PROCESS)
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{
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ERR( "cannot get dlg proc %p from other process\n", hwnd );
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return 0;
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}
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ret = *(DLGPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
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WIN_ReleasePtr( wndPtr );
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return ret;
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}
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/***********************************************************************
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* DEFDLG_SetFocus
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*
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* Set the focus to a control of the dialog, selecting the text if
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* the control is an edit dialog that has DLGC_HASSETSEL.
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*/
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static void DEFDLG_SetFocus( HWND hwndCtrl )
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{
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if (SendMessageW( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
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SendMessageW( hwndCtrl, EM_SETSEL, 0, -1 );
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NtUserSetFocus( hwndCtrl );
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}
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/***********************************************************************
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* DEFDLG_SaveFocus
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*/
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static void DEFDLG_SaveFocus( HWND hwnd )
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{
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DIALOGINFO *infoPtr;
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HWND hwndFocus = GetFocus();
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if (!hwndFocus || !IsChild( hwnd, hwndFocus )) return;
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if (!(infoPtr = DIALOG_get_info( hwnd, FALSE ))) return;
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infoPtr->hwndFocus = hwndFocus;
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/* Remove default button */
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}
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/***********************************************************************
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* DEFDLG_RestoreFocus
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*/
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static void DEFDLG_RestoreFocus( HWND hwnd, BOOL justActivate )
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{
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DIALOGINFO *infoPtr;
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if (IsIconic( hwnd )) return;
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if (!(infoPtr = DIALOG_get_info( hwnd, FALSE ))) return;
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/* Don't set the focus back to controls if EndDialog is already called.*/
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if (infoPtr->flags & DF_END) return;
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if (!IsWindow(infoPtr->hwndFocus) || infoPtr->hwndFocus == hwnd) {
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if (justActivate) return;
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/* If no saved focus control exists, set focus to the first visible,
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non-disabled, WS_TABSTOP control in the dialog */
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infoPtr->hwndFocus = GetNextDlgTabItem( hwnd, 0, FALSE );
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/* If there are no WS_TABSTOP controls, set focus to the first visible,
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non-disabled control in the dialog */
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if (!infoPtr->hwndFocus) infoPtr->hwndFocus = GetNextDlgGroupItem( hwnd, 0, FALSE );
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if (!IsWindow( infoPtr->hwndFocus )) return;
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}
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if (justActivate)
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NtUserSetFocus( infoPtr->hwndFocus );
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else
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DEFDLG_SetFocus( infoPtr->hwndFocus );
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infoPtr->hwndFocus = NULL;
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}
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/***********************************************************************
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* DEFDLG_FindDefButton
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*
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* Find the current default push-button.
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*/
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static HWND DEFDLG_FindDefButton( HWND hwndDlg )
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{
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HWND hwndChild, hwndTmp;
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hwndChild = GetWindow( hwndDlg, GW_CHILD );
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while (hwndChild)
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{
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if (SendMessageW( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
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break;
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/* Recurse into WS_EX_CONTROLPARENT controls */
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if (GetWindowLongW( hwndChild, GWL_EXSTYLE ) & WS_EX_CONTROLPARENT)
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{
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LONG dsStyle = GetWindowLongW( hwndChild, GWL_STYLE );
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if ((dsStyle & WS_VISIBLE) && !(dsStyle & WS_DISABLED) &&
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(hwndTmp = DEFDLG_FindDefButton(hwndChild)) != NULL)
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return hwndTmp;
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}
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hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
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}
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return hwndChild;
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}
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/***********************************************************************
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* DEFDLG_SetDefId
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*
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* Set the default button id.
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*/
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static BOOL DEFDLG_SetDefId( HWND hwndDlg, DIALOGINFO *dlgInfo, WPARAM wParam)
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{
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DWORD dlgcode=0; /* initialize just to avoid a warning */
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HWND hwndOld, hwndNew = GetDlgItem(hwndDlg, wParam);
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INT old_id = dlgInfo->idResult;
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dlgInfo->idResult = wParam;
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if (hwndNew &&
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!((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 ))
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& (DLGC_UNDEFPUSHBUTTON | DLGC_BUTTON)))
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return FALSE; /* Destination is not a push button */
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/* Make sure the old default control is a valid push button ID */
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hwndOld = GetDlgItem( hwndDlg, old_id );
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if (!hwndOld || !(SendMessageW( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
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hwndOld = DEFDLG_FindDefButton( hwndDlg );
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if (hwndOld && hwndOld != hwndNew)
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SendMessageW( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
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if (hwndNew)
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{
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if(dlgcode & DLGC_UNDEFPUSHBUTTON)
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SendMessageW( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
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}
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return TRUE;
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}
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/***********************************************************************
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* DEFDLG_SetDefButton
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*
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* Set the new default button to be hwndNew.
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*/
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static BOOL DEFDLG_SetDefButton( HWND hwndDlg, DIALOGINFO *dlgInfo, HWND hwndNew )
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{
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DWORD dlgcode=0; /* initialize just to avoid a warning */
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HWND hwndOld = GetDlgItem( hwndDlg, dlgInfo->idResult );
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if (hwndNew &&
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!((dlgcode=SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 ))
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& (DLGC_UNDEFPUSHBUTTON | DLGC_DEFPUSHBUTTON)))
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{
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/**
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* Need to draw only default push button rectangle.
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* Since the next control is not a push button, need to draw the push
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* button rectangle for the default control.
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*/
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hwndNew = hwndOld;
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dlgcode = SendMessageW(hwndNew, WM_GETDLGCODE, 0, 0 );
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}
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/* Make sure the old default control is a valid push button ID */
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if (!hwndOld || !(SendMessageW( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON))
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hwndOld = DEFDLG_FindDefButton( hwndDlg );
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if (hwndOld && hwndOld != hwndNew)
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SendMessageW( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
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if (hwndNew)
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{
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if(dlgcode & DLGC_UNDEFPUSHBUTTON)
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SendMessageW( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
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}
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return TRUE;
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}
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/***********************************************************************
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* DEFDLG_Proc
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*
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* Implementation of DefDlgProc(). Only handle messages that need special
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* handling for dialogs.
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*/
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static LRESULT DEFDLG_Proc( HWND hwnd, UINT msg, WPARAM wParam,
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LPARAM lParam, DIALOGINFO *dlgInfo )
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{
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switch(msg)
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{
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case WM_ERASEBKGND:
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{
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HBRUSH brush = (HBRUSH)SendMessageW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd );
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if (!brush) brush = (HBRUSH)DefWindowProcW( hwnd, WM_CTLCOLORDLG, wParam, (LPARAM)hwnd );
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if (brush)
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{
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RECT rect;
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HDC hdc = (HDC)wParam;
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GetClientRect( hwnd, &rect );
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DPtoLP( hdc, (LPPOINT)&rect, 2 );
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FillRect( hdc, &rect, brush );
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}
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return 1;
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}
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case WM_NCDESTROY:
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if (dlgInfo)
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{
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WND *wndPtr;
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if (dlgInfo->hUserFont) DeleteObject( dlgInfo->hUserFont );
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if (dlgInfo->hMenu) DestroyMenu( dlgInfo->hMenu );
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HeapFree( GetProcessHeap(), 0, dlgInfo );
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wndPtr = WIN_GetPtr( hwnd );
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wndPtr->dlgInfo = NULL;
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WIN_ReleasePtr( wndPtr );
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}
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/* Window clean-up */
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return DefWindowProcA( hwnd, msg, wParam, lParam );
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case WM_SHOWWINDOW:
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if (!wParam) DEFDLG_SaveFocus( hwnd );
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return DefWindowProcA( hwnd, msg, wParam, lParam );
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case WM_ACTIVATE:
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if (wParam) DEFDLG_RestoreFocus( hwnd, TRUE );
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else DEFDLG_SaveFocus( hwnd );
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return 0;
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case WM_SETFOCUS:
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DEFDLG_RestoreFocus( hwnd, FALSE );
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return 0;
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case DM_SETDEFID:
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if (dlgInfo && !(dlgInfo->flags & DF_END))
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DEFDLG_SetDefId( hwnd, dlgInfo, wParam );
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return 1;
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case DM_GETDEFID:
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if (dlgInfo && !(dlgInfo->flags & DF_END))
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{
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HWND hwndDefId;
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if (dlgInfo->idResult)
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return MAKELONG( dlgInfo->idResult, DC_HASDEFID );
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if ((hwndDefId = DEFDLG_FindDefButton( hwnd )))
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return MAKELONG( GetDlgCtrlID( hwndDefId ), DC_HASDEFID);
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}
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return 0;
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case WM_NEXTDLGCTL:
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if (dlgInfo)
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{
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HWND hwndDest = (HWND)wParam;
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if (!lParam)
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hwndDest = GetNextDlgTabItem(hwnd, GetFocus(), wParam);
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if (hwndDest) DEFDLG_SetFocus( hwndDest );
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DEFDLG_SetDefButton( hwnd, dlgInfo, hwndDest );
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}
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return 0;
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case WM_ENTERMENULOOP:
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case WM_LBUTTONDOWN:
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case WM_NCLBUTTONDOWN:
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{
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HWND hwndFocus = GetFocus();
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if (hwndFocus)
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{
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/* always make combo box hide its listbox control */
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if (!SendMessageW( hwndFocus, CB_SHOWDROPDOWN, FALSE, 0 ))
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SendMessageW( GetParent(hwndFocus), CB_SHOWDROPDOWN, FALSE, 0 );
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}
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}
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return DefWindowProcA( hwnd, msg, wParam, lParam );
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case WM_GETFONT:
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return dlgInfo ? (LRESULT)dlgInfo->hUserFont : 0;
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case WM_CLOSE:
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PostMessageA( hwnd, WM_COMMAND, MAKEWPARAM(IDCANCEL, BN_CLICKED),
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(LPARAM)GetDlgItem( hwnd, IDCANCEL ) );
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return 0;
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}
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return 0;
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}
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/***********************************************************************
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* DIALOG_get_info
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*
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* Get the DIALOGINFO structure of a window, allocating it if needed
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* and 'create' is TRUE.
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*/
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DIALOGINFO *DIALOG_get_info( HWND hwnd, BOOL create )
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{
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WND* wndPtr;
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DIALOGINFO* dlgInfo;
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wndPtr = WIN_GetPtr( hwnd );
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if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
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{
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SetLastError( ERROR_INVALID_WINDOW_HANDLE );
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return NULL;
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}
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dlgInfo = wndPtr->dlgInfo;
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if (!dlgInfo && create)
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{
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if (!(dlgInfo = HeapAlloc( GetProcessHeap(), 0, sizeof(*dlgInfo) )))
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goto out;
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dlgInfo->hwndFocus = 0;
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dlgInfo->hUserFont = 0;
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dlgInfo->hMenu = 0;
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dlgInfo->xBaseUnit = 0;
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dlgInfo->yBaseUnit = 0;
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dlgInfo->idResult = IDOK;
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dlgInfo->flags = 0;
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wndPtr->dlgInfo = dlgInfo;
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}
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out:
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WIN_ReleasePtr( wndPtr );
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return dlgInfo;
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}
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static LRESULT USER_DefDlgProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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DIALOGINFO *dlgInfo;
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DLGPROC dlgproc;
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LRESULT result = 0;
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/* Perform DIALOGINFO initialization if not done */
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if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return 0;
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SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 );
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if ((dlgproc = DEFDLG_GetDlgProc( hwnd ))) /* Call dialog procedure */
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result = WINPROC_CallDlgProcA( dlgproc, hwnd, msg, wParam, lParam );
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if (!result && IsWindow(hwnd))
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{
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/* callback didn't process this message */
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switch(msg)
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{
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case WM_ERASEBKGND:
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case WM_SHOWWINDOW:
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case WM_ACTIVATE:
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case WM_SETFOCUS:
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case DM_SETDEFID:
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case DM_GETDEFID:
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case WM_NEXTDLGCTL:
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case WM_GETFONT:
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case WM_CLOSE:
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case WM_NCDESTROY:
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case WM_ENTERMENULOOP:
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case WM_LBUTTONDOWN:
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case WM_NCLBUTTONDOWN:
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return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
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case WM_INITDIALOG:
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case WM_VKEYTOITEM:
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case WM_COMPAREITEM:
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case WM_CHARTOITEM:
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break;
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default:
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return DefWindowProcA( hwnd, msg, wParam, lParam );
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}
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}
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if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
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msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
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msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
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msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
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return result;
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return GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );
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}
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static LRESULT USER_DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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DIALOGINFO *dlgInfo;
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DLGPROC dlgproc;
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LRESULT result = 0;
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/* Perform DIALOGINFO initialization if not done */
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if(!(dlgInfo = DIALOG_get_info( hwnd, TRUE ))) return 0;
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SetWindowLongPtrW( hwnd, DWLP_MSGRESULT, 0 );
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if ((dlgproc = DEFDLG_GetDlgProc( hwnd ))) /* Call dialog procedure */
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result = WINPROC_CallDlgProcW( dlgproc, hwnd, msg, wParam, lParam );
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if (!result && IsWindow(hwnd))
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{
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/* callback didn't process this message */
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switch(msg)
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{
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case WM_ERASEBKGND:
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case WM_SHOWWINDOW:
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case WM_ACTIVATE:
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case WM_SETFOCUS:
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case DM_SETDEFID:
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case DM_GETDEFID:
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case WM_NEXTDLGCTL:
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case WM_GETFONT:
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case WM_CLOSE:
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case WM_NCDESTROY:
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case WM_ENTERMENULOOP:
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case WM_LBUTTONDOWN:
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case WM_NCLBUTTONDOWN:
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return DEFDLG_Proc( hwnd, msg, wParam, lParam, dlgInfo );
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case WM_INITDIALOG:
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case WM_VKEYTOITEM:
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case WM_COMPAREITEM:
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case WM_CHARTOITEM:
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break;
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default:
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return DefWindowProcW( hwnd, msg, wParam, lParam );
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}
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}
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if ((msg >= WM_CTLCOLORMSGBOX && msg <= WM_CTLCOLORSTATIC) ||
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msg == WM_CTLCOLOR || msg == WM_COMPAREITEM ||
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msg == WM_VKEYTOITEM || msg == WM_CHARTOITEM ||
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msg == WM_QUERYDRAGICON || msg == WM_INITDIALOG)
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return result;
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return GetWindowLongPtrW( hwnd, DWLP_MSGRESULT );
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}
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LRESULT WINAPI USER_DefDlgProc( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam, BOOL unicode )
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{
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if (unicode)
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return USER_DefDlgProcW( hwnd, msg, wParam, lParam );
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else
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return USER_DefDlgProcA( hwnd, msg, wParam, lParam );
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}
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/***********************************************************************
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* DefDlgProcA (USER32.@)
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*/
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LRESULT WINAPI DefDlgProcA( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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return user_api->pDefDlgProc( hwnd, msg, wParam, lParam, FALSE );
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}
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/***********************************************************************
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* DefDlgProcW (USER32.@)
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*/
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LRESULT WINAPI DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
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{
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return user_api->pDefDlgProc( hwnd, msg, wParam, lParam, TRUE );
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}
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