LRESULT FASTCALL
DefWndHandleSysCommand(PWND pWnd, WPARAM wParam, LPARAM lParam)
{
LRESULT lResult = 0;
BOOL Hook = FALSE;
if (ISITHOOKED(WH_CBT) || (pWnd->head.rpdesk->pDeskInfo->fsHooks & HOOKID_TO_FLAG(WH_CBT)))
{
Hook = TRUE;
lResult = co_HOOK_CallHooks(WH_CBT, HCBT_SYSCOMMAND, wParam, lParam);
if (lResult) return lResult;
}
switch (wParam & 0xfff0)
{
case SC_SCREENSAVE:
ERR("Screensaver Called!\n");
UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_START_SCREENSAVE, 0); // always lParam 0 == not Secure
break;
default:
// We do not support anything else here so we should return normal even when sending a hook.
return 0;
}
return(Hook ? 1 : 0); // Don't call us again from user space.
}
/*
* @implemented
*/
BOOL
WINAPI
CallMsgFilterW(
LPMSG lpMsg,
int nCode)
{
MSG Msg;
if ( NtCurrentTeb()->Win32ThreadInfo &&
(ISITHOOKED(WH_MSGFILTER) || ISITHOOKED(WH_SYSMSGFILTER)) )
{
if ( lpMsg->message & ~WM_MAXIMUM )
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
RtlCopyMemory(&Msg, lpMsg, sizeof(MSG));
return NtUserCallMsgFilter( &Msg, nCode);
}
return FALSE;
}
LRESULT
DefWndHandleSysCommand(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
POINT Pt;
LRESULT lResult;
if (!IsWindowEnabled( hWnd )) return 0;
if (ISITHOOKED(WH_CBT))
{
NtUserMessageCall( hWnd, WM_SYSCOMMAND, wParam, lParam, (ULONG_PTR)&lResult, FNID_DEFWINDOWPROC, FALSE);
if (lResult) return 0;
}
switch (wParam & 0xfff0)
{
case SC_MOVE:
case SC_SIZE:
NtUserMessageCall( hWnd, WM_SYSCOMMAND, wParam, lParam, (ULONG_PTR)&lResult, FNID_DEFWINDOWPROC, FALSE);
break;
case SC_MINIMIZE:
if (hWnd == GetActiveWindow())
ShowOwnedPopups(hWnd,FALSE);
ShowWindow( hWnd, SW_MINIMIZE );
break;
case SC_MAXIMIZE:
if (IsIconic(hWnd) && hWnd == GetActiveWindow())
ShowOwnedPopups(hWnd,TRUE);
ShowWindow( hWnd, SW_MAXIMIZE );
break;
case SC_RESTORE:
if (IsIconic(hWnd) && hWnd == GetActiveWindow())
ShowOwnedPopups(hWnd,TRUE);
ShowWindow( hWnd, SW_RESTORE );
break;
case SC_CLOSE:
return SendMessageW(hWnd, WM_CLOSE, 0, 0);
// case SC_DEFAULT:
case SC_MOUSEMENU:
{
Pt.x = (short)LOWORD(lParam);
Pt.y = (short)HIWORD(lParam);
MenuTrackMouseMenuBar(hWnd, wParam & 0x000f, Pt);
}
break;
case SC_KEYMENU:
MenuTrackKbdMenuBar(hWnd, wParam, (WCHAR)lParam);
break;
case SC_VSCROLL:
case SC_HSCROLL:
{
Pt.x = (short)LOWORD(lParam);
Pt.y = (short)HIWORD(lParam);
DefWndTrackScrollBar(hWnd, wParam, Pt);
}
break;
case SC_TASKLIST:
WinExec( "taskman.exe", SW_SHOWNORMAL );
break;
case SC_SCREENSAVE:
NtUserMessageCall( hWnd, WM_SYSCOMMAND, wParam, lParam, (ULONG_PTR)&lResult, FNID_DEFWINDOWPROC, FALSE);
break;
case SC_NEXTWINDOW:
case SC_PREVWINDOW:
DoAppSwitch( wParam, lParam);
break;
case SC_HOTKEY:
{
HWND hwnd, hWndLastActive;
PWND pWnd;
hwnd = (HWND)lParam;
pWnd = ValidateHwnd(hwnd);
if (pWnd)
{
hWndLastActive = GetLastActivePopup(hwnd);
if (hWndLastActive)
{
hwnd = hWndLastActive;
pWnd = ValidateHwnd(hwnd);
}
SetForegroundWindow(hwnd);
if (pWnd->style & WS_MINIMIZE)
{
PostMessage(hwnd, WM_SYSCOMMAND, SC_RESTORE, 0);
}
}
}
break;
default:
FIXME("Unimplemented DefWndHandleSysCommand wParam 0x%x\n",wParam);
break;
}
return(0);
}
