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Sweden-Number/dlls/user32/defdlg.c

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