Sweden-Number/windows/defdlg.c

412 lines
12 KiB
C

/*
* Default dialog procedure
*
* Copyright 1993, 1996 Alexandre Julliard
*
*/
#include "windows.h"
#include "dialog.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( HWND32 hwndDlg, HWND32 hwndCtrl )
{
HWND32 hwndPrev = GetFocus32();
if (IsChild32( 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 ) );
SetFocus32( hwndCtrl );
}
/***********************************************************************
* DEFDLG_SaveFocus
*/
static BOOL32 DEFDLG_SaveFocus( HWND32 hwnd, DIALOGINFO *infoPtr )
{
HWND32 hwndFocus = GetFocus32();
if (!hwndFocus || !IsChild32( hwnd, hwndFocus )) return FALSE;
infoPtr->hwndFocus = hwndFocus;
/* Remove default button */
return TRUE;
}
/***********************************************************************
* DEFDLG_RestoreFocus
*/
static BOOL32 DEFDLG_RestoreFocus( HWND32 hwnd, DIALOGINFO *infoPtr )
{
if (!infoPtr->hwndFocus || IsIconic32(hwnd)) return FALSE;
if (!IsWindow32( infoPtr->hwndFocus )) return FALSE;
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 HWND32 DEFDLG_FindDefButton( HWND32 hwndDlg )
{
HWND32 hwndChild = GetWindow32( hwndDlg, GW_CHILD );
while (hwndChild)
{
if (SendMessage16( hwndChild, WM_GETDLGCODE, 0, 0 ) & DLGC_DEFPUSHBUTTON)
break;
hwndChild = GetWindow32( hwndChild, GW_HWNDNEXT );
}
return hwndChild;
}
/***********************************************************************
* DEFDLG_SetDefButton
*
* Set the new default button to be hwndNew.
*/
static BOOL32 DEFDLG_SetDefButton( HWND32 hwndDlg, DIALOGINFO *dlgInfo,
HWND32 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 */
{
HWND32 hwndOld = GetDlgItem32( hwndDlg, dlgInfo->idResult );
if (SendMessage32A( hwndOld, WM_GETDLGCODE, 0, 0) & DLGC_DEFPUSHBUTTON)
SendMessage32A( hwndOld, BM_SETSTYLE32, BS_PUSHBUTTON, TRUE );
}
if (hwndNew)
{
SendMessage32A( hwndNew, BM_SETSTYLE32, BS_DEFPUSHBUTTON, TRUE );
dlgInfo->idResult = GetDlgCtrlID32( 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( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
LPARAM lParam, DIALOGINFO *dlgInfo )
{
switch(msg)
{
case WM_ERASEBKGND:
FillWindow( 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)
{
DeleteObject32( dlgInfo->hUserFont );
dlgInfo->hUserFont = 0;
}
/* Delete menu */
if (dlgInfo->hMenu)
{
DestroyMenu32( 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 DefWindowProc32A( hwnd, msg, wParam, lParam );
case WM_SHOWWINDOW:
if (!wParam) DEFDLG_SaveFocus( hwnd, dlgInfo );
return DefWindowProc32A( 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 ? GetDlgItem32( hwnd, wParam ) : 0 );
return 1;
case DM_GETDEFID:
{
HWND32 hwndDefId;
if (dlgInfo->flags & DF_END) return 0;
if (dlgInfo->idResult)
return MAKELONG( dlgInfo->idResult, DC_HASDEFID );
if ((hwndDefId = DEFDLG_FindDefButton( hwnd )))
return MAKELONG( GetDlgCtrlID32( hwndDefId ), DC_HASDEFID);
}
return 0;
case WM_NEXTDLGCTL:
{
HWND32 hwndDest = (HWND32)wParam;
if (!lParam)
hwndDest = GetNextDlgTabItem32(hwnd, GetFocus32(), wParam);
if (hwndDest) DEFDLG_SetFocus( hwnd, hwndDest );
DEFDLG_SetDefButton( hwnd, dlgInfo, hwndDest );
}
return 0;
case WM_ENTERMENULOOP:
case WM_LBUTTONDOWN:
case WM_NCLBUTTONDOWN:
{
HWND32 hwndFocus = GetFocus32();
if (hwndFocus)
{
WND *wnd = WIN_FindWndPtr( hwndFocus );
if( wnd )
{
/* always make combo box hide its listbox control */
if( WIDGETS_IsControl32( wnd, BIC32_COMBO ) )
SendMessage32A( hwndFocus, CB_SHOWDROPDOWN32,
FALSE, 0 );
else if( WIDGETS_IsControl32( wnd, BIC32_EDIT ) &&
WIDGETS_IsControl32( wnd->parent,
BIC32_COMBO ))
SendMessage32A( wnd->parent->hwndSelf,
CB_SHOWDROPDOWN32, FALSE, 0 );
}
}
}
return DefWindowProc32A( hwnd, msg, wParam, lParam );
case WM_GETFONT:
return dlgInfo->hUserFont;
case WM_CLOSE:
EndDialog32( hwnd, TRUE );
DestroyWindow32( hwnd );
return 0;
}
return 0;
}
/***********************************************************************
* DEFDLG_Epilog
*/
static LRESULT DEFDLG_Epilog(DIALOGINFO* dlgInfo, UINT32 msg, BOOL32 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;
}
/***********************************************************************
* DefDlgProc16 (USER.308)
*/
LRESULT WINAPI DefDlgProc16( HWND16 hwnd, UINT16 msg, WPARAM16 wParam,
LPARAM lParam )
{
DIALOGINFO * dlgInfo;
BOOL32 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 );
/* Check if window was destroyed by dialog procedure */
if (!result && IsWindow32(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( (HWND32)hwnd, msg,
(WPARAM32)wParam, lParam, dlgInfo );
case WM_INITDIALOG:
case WM_VKEYTOITEM:
case WM_COMPAREITEM:
case WM_CHARTOITEM:
break;
default:
return DefWindowProc16( hwnd, msg, wParam, lParam );
}
}
return DEFDLG_Epilog(dlgInfo, msg, result);
}
/***********************************************************************
* DefDlgProc32A (USER32.120)
*/
LRESULT WINAPI DefDlgProc32A( HWND32 hwnd, UINT32 msg,
WPARAM32 wParam, LPARAM lParam )
{
DIALOGINFO * dlgInfo;
BOOL32 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 = CallWindowProc32A( (WNDPROC32)dlgInfo->dlgProc,
hwnd, msg, wParam, lParam );
/* Check if window was destroyed by dialog procedure */
if (!result && IsWindow32(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( (HWND32)hwnd, msg,
(WPARAM32)wParam, lParam, dlgInfo );
case WM_INITDIALOG:
case WM_VKEYTOITEM:
case WM_COMPAREITEM:
case WM_CHARTOITEM:
break;
default:
return DefWindowProc32A( hwnd, msg, wParam, lParam );
}
}
return DEFDLG_Epilog(dlgInfo, msg, result);
}
/***********************************************************************
* DefDlgProc32W (USER32.121)
*/
LRESULT WINAPI DefDlgProc32W( HWND32 hwnd, UINT32 msg, WPARAM32 wParam,
LPARAM lParam )
{
DIALOGINFO * dlgInfo;
BOOL32 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 = CallWindowProc32W( (WNDPROC32)dlgInfo->dlgProc,
hwnd, msg, wParam, lParam );
/* Check if window was destroyed by dialog procedure */
if (!result && IsWindow32(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( (HWND32)hwnd, msg,
(WPARAM32)wParam, lParam, dlgInfo );
case WM_INITDIALOG:
case WM_VKEYTOITEM:
case WM_COMPAREITEM:
case WM_CHARTOITEM:
break;
default:
return DefWindowProc32W( hwnd, msg, wParam, lParam );
}
}
return DEFDLG_Epilog(dlgInfo, msg, result);
}