Sweden-Number/windows/defdlg.c

220 lines
5.9 KiB
C

/*
* Default dialog procedure
*
* Copyright 1993 Alexandre Julliard
*
static char Copyright[] = "Copyright Alexandre Julliard, 1993";
*/
#include "windows.h"
#include "dialog.h"
#include "win.h"
#include "stddebug.h"
/* #define DEBUG_DIALOG */
#include "debug.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 (SendMessage( hwndPrev, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
SendMessage( hwndPrev, EM_SETSEL, TRUE, MAKELONG( -1, 0 ) );
}
if (SendMessage( hwndCtrl, WM_GETDLGCODE, 0, 0 ) & DLGC_HASSETSEL)
SendMessage( hwndCtrl, EM_SETSEL, 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;
if (!infoPtr->hwndFocus) return FALSE; /* Already saved */
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;
DEFDLG_SetFocus( hwnd, infoPtr->hwndFocus );
infoPtr->hwndFocus = 0;
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 (SendMessage( 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 &&
!(SendMessage( hwndNew, WM_GETDLGCODE, 0, 0 ) & DLGC_UNDEFPUSHBUTTON))
return FALSE; /* Destination is not a push button */
if (dlgInfo->msgResult) /* There's already a default pushbutton */
{
HWND hwndOld = GetDlgItem( hwndDlg, dlgInfo->msgResult );
if (SendMessage( hwndOld, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
SendMessage( hwndOld, BM_SETSTYLE, BS_PUSHBUTTON, TRUE );
}
if (hwndNew)
{
SendMessage( hwndNew, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
dlgInfo->msgResult = GetDlgCtrlID( hwndNew );
}
else dlgInfo->msgResult = 0;
return TRUE;
}
/***********************************************************************
* DefDlgProc (USER.308)
*/
LONG DefDlgProc( HWND hwnd, WORD msg, WORD wParam, LONG lParam )
{
DIALOGINFO * dlgInfo;
BOOL result = FALSE;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return 0;
dlgInfo = (DIALOGINFO *)&wndPtr->wExtra;
dprintf_dialog(stddeb, "DefDlgProc: %d %04x %d %08lx\n",
hwnd, msg, wParam, lParam );
dlgInfo->msgResult = 0;
if (dlgInfo->dlgProc)
{
/* Call dialog procedure */
result = (BOOL)CallWindowProc( dlgInfo->dlgProc, hwnd,
msg, wParam, lParam );
/* Check if window destroyed by dialog procedure */
wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return result;
}
if (!result) switch(msg)
{
case WM_INITDIALOG:
break;
case WM_ERASEBKGND:
FillWindow( hwnd, hwnd, (HDC)wParam, (HBRUSH)CTLCOLOR_DLG );
return TRUE;
case WM_NCDESTROY:
/* Free dialog heap (if created) */
if (dlgInfo->hDialogHeap)
{
GlobalUnlock(dlgInfo->hDialogHeap);
GlobalFree(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;
}
/* Window clean-up */
DefWindowProc( hwnd, msg, wParam, lParam );
break;
case WM_SHOWWINDOW:
if (!wParam) DEFDLG_SaveFocus( hwnd, dlgInfo );
return DefWindowProc( hwnd, msg, wParam, lParam );
case WM_ACTIVATE:
if (wParam) DEFDLG_RestoreFocus( hwnd, dlgInfo );
else DEFDLG_SaveFocus( hwnd, dlgInfo );
break;
case WM_SETFOCUS:
DEFDLG_RestoreFocus( hwnd, dlgInfo );
break;
case DM_SETDEFID:
if (dlgInfo->fEnd) return TRUE;
DEFDLG_SetDefButton( hwnd, dlgInfo,
wParam ? GetDlgItem( hwnd, wParam ) : 0 );
return TRUE;
case DM_GETDEFID:
if (dlgInfo->fEnd || !dlgInfo->msgResult) return 0;
return MAKELONG( dlgInfo->msgResult, DC_HASDEFID );
case WM_NEXTDLGCTL:
{
HWND hwndDest = wParam;
if (!lParam)
{
HWND hwndPrev = GetFocus();
if (!hwndPrev) /* Set focus to the first item */
hwndDest = DIALOG_GetFirstTabItem( hwnd );
else
hwndDest = GetNextDlgTabItem( hwnd, hwndPrev, wParam );
}
if (hwndDest) DEFDLG_SetFocus( hwnd, hwndDest );
DEFDLG_SetDefButton( hwnd, dlgInfo, hwndDest );
}
break;
default:
return DefWindowProc( hwnd, msg, wParam, lParam );
}
return result;
}