wine/windows/defdlg.c
2000-12-22 01:38:01 +00:00

424 lines
12 KiB
C

/*
* Default dialog procedure
*
* Copyright 1993, 1996 Alexandre Julliard
*
*/
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "controls.h"
#include "win.h"
#include "winproc.h"
/***********************************************************************
* 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 )
{
HWND hwndPrev = GetFocus();
if (IsChild( hwndDlg, hwndPrev ))
{
if (SendMessage16( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
SendMessage16( hwndPrev, EM_SETSEL16, TRUE, MAKELONG( -1, 0 ) );
}
if (SendMessage16( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
SendMessage16( hwndCtrl, EM_SETSEL16, FALSE, MAKELONG( 0, -1 ) );
SetFocus( hwndCtrl );
}
/***********************************************************************
* DEFDLG_SaveFocus
*/
static BOOL DEFDLG_SaveFocus( HWND hwnd, DIALOGINFO *infoPtr )
{
HWND hwndFocus = GetFocus();
if (!hwndFocus || !IsChild( hwnd, hwndFocus )) return FALSE;
infoPtr->hwndFocus = hwndFocus;
/* Remove default button */
return TRUE;
}
/***********************************************************************
* DEFDLG_RestoreFocus
*/
static BOOL DEFDLG_RestoreFocus( HWND hwnd, DIALOGINFO *infoPtr )
{
if (!infoPtr->hwndFocus || IsIconic(hwnd)) return FALSE;
if (!IsWindow( infoPtr->hwndFocus )) return FALSE;
/* Don't set the focus back to controls if EndDialog is already called.*/
if (!(infoPtr->flags & DF_END))
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. */
return TRUE;
}
/***********************************************************************
* DEFDLG_FindDefButton
*
* Find the current default push-button.
*/
static HWND DEFDLG_FindDefButton( HWND hwndDlg )
{
HWND hwndChild = GetWindow( hwndDlg, GW_CHILD );
while (hwndChild)
{
if (SendMessage16( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
break;
hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
}
return hwndChild;
}
/***********************************************************************
* DEFDLG_SetDefButton
*
* Set the new default button to be hwndNew.
*/
static BOOL DEFDLG_SetDefButton( HWND hwndDlg, DIALOGINFO *dlgInfo,
HWND hwndNew )
{
if (hwndNew &&
!(SendMessage16(hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
return FALSE; /* Destination is not a push button */
if (dlgInfo->idResult) /* There's already a default pushbutton */
{
HWND hwndOld = GetDlgItem( hwndDlg, dlgInfo->idResult );
if (SendMessageA( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
SendMessageA( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
}
if (hwndNew)
{
SendMessageA( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
dlgInfo->idResult = GetDlgCtrlID( hwndNew );
}
else dlgInfo->idResult = 0;
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:
FillWindow16( hwnd, hwnd, (HDC16)wParam, (HBRUSH16)CTLCOLOR_DLG );
return 1;
case WM_NCDESTROY:
/* Free dialog heap (if created) */
if (dlgInfo->hDialogHeap)
{
GlobalUnlock16(dlgInfo->hDialogHeap);
GlobalFree16(dlgInfo->hDialogHeap);
dlgInfo->hDialogHeap = 0;
}
/* Delete font */
if (dlgInfo->hUserFont)
{
DeleteObject( dlgInfo->hUserFont );
dlgInfo->hUserFont = 0;
}
/* Delete menu */
if (dlgInfo->hMenu)
{
DestroyMenu( dlgInfo->hMenu );
dlgInfo->hMenu = 0;
}
/* Delete window procedure */
WINPROC_FreeProc( dlgInfo->dlgProc, WIN_PROC_WINDOW );
dlgInfo->dlgProc = (HWINDOWPROC)0;
dlgInfo->flags |= DF_END; /* just in case */
/* Window clean-up */
return DefWindowProcA( hwnd, msg, wParam, lParam );
case WM_SHOWWINDOW:
if (!wParam) DEFDLG_SaveFocus( hwnd, dlgInfo );
return DefWindowProcA( hwnd, msg, wParam, lParam );
case WM_ACTIVATE:
if (wParam) DEFDLG_RestoreFocus( hwnd, dlgInfo );
else DEFDLG_SaveFocus( hwnd, dlgInfo );
return 0;
case WM_SETFOCUS:
DEFDLG_RestoreFocus( hwnd, dlgInfo );
return 0;
case DM_SETDEFID:
if (dlgInfo->flags & DF_END) return 1;
DEFDLG_SetDefButton( hwnd, dlgInfo,
wParam ? GetDlgItem( hwnd, wParam ) : 0 );
return 1;
case DM_GETDEFID:
{
HWND hwndDefId;
if (dlgInfo->flags & DF_END) return 0;
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:
{
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 (!SendMessageA( hwndFocus, CB_SHOWDROPDOWN, FALSE, 0 ))
SendMessageA( GetParent(hwndFocus), CB_SHOWDROPDOWN, FALSE, 0 );
}
}
return DefWindowProcA( hwnd, msg, wParam, lParam );
case WM_GETFONT:
return dlgInfo->hUserFont;
case WM_CLOSE:
PostMessageA( hwnd, WM_COMMAND, IDCANCEL,
(LPARAM)GetDlgItem( hwnd, IDCANCEL ) );
return 0;
case WM_NOTIFYFORMAT:
return DefWindowProcA( hwnd, msg, wParam, lParam );
}
return 0;
}
/***********************************************************************
* DEFDLG_Epilog
*/
static LRESULT DEFDLG_Epilog(DIALOGINFO* dlgInfo, UINT msg, BOOL fResult)
{
/* see SDK 3.1 */
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 fResult;
return dlgInfo->msgResult;
}
/***********************************************************************
* DefDlgProc (USER.308)
*/
LRESULT WINAPI DefDlgProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
LPARAM lParam )
{
DIALOGINFO * dlgInfo;
BOOL result = FALSE;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return 0;
dlgInfo = (DIALOGINFO *)&wndPtr->wExtra;
dlgInfo->msgResult = 0;
if (dlgInfo->dlgProc) { /* Call dialog procedure */
result = CallWindowProc16( (WNDPROC16)dlgInfo->dlgProc,
hwnd, msg, wParam, lParam );
/* 16 bit dlg procs only return BOOL16 */
if( WINPROC_GetProcType( dlgInfo->dlgProc ) == WIN_PROC_16 )
result = LOWORD(result);
}
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:
WIN_ReleaseWndPtr(wndPtr);
return DEFDLG_Proc( (HWND)hwnd, msg,
(WPARAM)wParam, lParam, dlgInfo );
case WM_INITDIALOG:
case WM_VKEYTOITEM:
case WM_COMPAREITEM:
case WM_CHARTOITEM:
break;
default:
WIN_ReleaseWndPtr(wndPtr);
return DefWindowProc16( hwnd, msg, wParam, lParam );
}
}
WIN_ReleaseWndPtr(wndPtr);
return DEFDLG_Epilog(dlgInfo, msg, result);
}
/***********************************************************************
* DefDlgProcA (USER32.@)
*/
LRESULT WINAPI DefDlgProcA( HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam )
{
DIALOGINFO * dlgInfo;
BOOL result = FALSE;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return 0;
dlgInfo = (DIALOGINFO *)&wndPtr->wExtra;
dlgInfo->msgResult = 0;
if (dlgInfo->dlgProc) { /* Call dialog procedure */
result = CallWindowProcA( (WNDPROC)dlgInfo->dlgProc,
hwnd, msg, wParam, lParam );
/* 16 bit dlg procs only return BOOL16 */
if( WINPROC_GetProcType( dlgInfo->dlgProc ) == WIN_PROC_16 )
result = LOWORD(result);
}
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:
WIN_ReleaseWndPtr(wndPtr);
return DEFDLG_Proc( (HWND)hwnd, msg,
(WPARAM)wParam, lParam, dlgInfo );
case WM_INITDIALOG:
case WM_VKEYTOITEM:
case WM_COMPAREITEM:
case WM_CHARTOITEM:
break;
default:
WIN_ReleaseWndPtr(wndPtr);
return DefWindowProcA( hwnd, msg, wParam, lParam );
}
}
WIN_ReleaseWndPtr(wndPtr);
return DEFDLG_Epilog(dlgInfo, msg, result);
}
/***********************************************************************
* DefDlgProcW (USER32.@)
*/
LRESULT WINAPI DefDlgProcW( HWND hwnd, UINT msg, WPARAM wParam,
LPARAM lParam )
{
DIALOGINFO * dlgInfo;
BOOL result = FALSE;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return 0;
dlgInfo = (DIALOGINFO *)&wndPtr->wExtra;
dlgInfo->msgResult = 0;
if (dlgInfo->dlgProc) { /* Call dialog procedure */
result = CallWindowProcW( (WNDPROC)dlgInfo->dlgProc,
hwnd, msg, wParam, lParam );
/* 16 bit dlg procs only return BOOL16 */
if( WINPROC_GetProcType( dlgInfo->dlgProc ) == WIN_PROC_16 )
result = LOWORD(result);
}
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:
WIN_ReleaseWndPtr(wndPtr);
return DEFDLG_Proc( (HWND)hwnd, msg,
(WPARAM)wParam, lParam, dlgInfo );
case WM_INITDIALOG:
case WM_VKEYTOITEM:
case WM_COMPAREITEM:
case WM_CHARTOITEM:
break;
default:
WIN_ReleaseWndPtr(wndPtr);
return DefWindowProcW( hwnd, msg, wParam, lParam );
}
}
WIN_ReleaseWndPtr(wndPtr);
return DEFDLG_Epilog(dlgInfo, msg, result);
}