/*********************************************************************
*
* WM_IsWindow
*/
int WM_IsWindow(WM_HWIN hWin) {
int r;
WM_LOCK();
r = WM__IsWindow(hWin);
WM_UNLOCK();
return r;
}
void WM_DeleteWindow (WM_HWIN Win) {
WM_Obj* pWin;
if (!Win)
return;
WM_LOCK();
if (WM__IsWindow(Win)) {
pWin = WM_H2P(Win);
ResetNextDrawWin(); /* Make sure the window will no longer receive drawing messages */
/* Make sure that focus is set to an existing window */
if (WM__hWinFocus == Win) {
WM__hWinFocus = 0;
}
if (Win == WM__hCapture) {
WM__hCapture = 0;
}
/* Delete all children */
_DeleteAllChildren(pWin->hFirstChild);
_DeleteInSiblingList(Win);
/* Send WM_DELETE message to window in order to inform window itself */
WM__SendMsgNoData(Win, WM_DELETE); /* tell window about it */
/* Inform other modules if necessary */
if (WM__pfDeleteWindowHook) {
(*WM__pfDeleteWindowHook)(Win);
}
/* Remove window from window stack */
if (pWin->Status & WM_SF_INVALID) {
WM__NumInvalidWindows--;
}
WM__RemoveFromLinList(Win);
/* Clear area used by this window */
WM_InvalidateArea(&pWin->Rect);
/* Free window memory */
WM__NumWindows--;
WM_FREE(Win);
/* Select a valid window */
WM_SelectWindow(WM__FirstWin);
} else {
GUI_DEBUG_WARN("WM_DeleteWindow: Invalid handle");
}
WM_UNLOCK();
}