//
/// Overrides TFrameWindows virtual function. Sets the client window to the
/// specified window. Users are responsible for destroying the old client window if
/// they want to remove it.
//
/// Handle SetClientWindow() here to manage fixing up the layout metrics of
/// all the children before & after the client is changed.
//
TWindow*
TDecoratedFrame::SetClientWindow(TWindow* clientWnd)
{
TLayoutMetrics metrics;
GetChildLayoutMetrics(*ClientWnd, metrics);
if (!clientWnd)
clientWnd = new TWindow(this, _T("\007")); // create dummy placeholder
clientWnd->SetParent(this);
SetChildLayoutMetrics(*clientWnd, metrics);
TWindow* oldWnd = GetClientWindow();
// Make sure that all child metrics that were based on the old client window
// get updated to the new client
//
TWindow* first = GetFirstChild();
if (first) {
TWindow* child = first;
do {
if (GetChildLayoutMetrics(*child, metrics)) {
if (metrics.X.RelWin == oldWnd)
metrics.X.RelWin = clientWnd;
if (metrics.Y.RelWin == oldWnd)
metrics.Y.RelWin = clientWnd;
if (metrics.Width.RelWin == oldWnd)
metrics.Width.RelWin = clientWnd;
if (metrics.Height.RelWin == oldWnd)
metrics.Height.RelWin = clientWnd;
SetChildLayoutMetrics(*child, metrics);
}
child = child->Next();
} while (child != first);
}
// Now let the TFrameWindow set the client. Then delete the old client if it
// was our temporary place holder. Set a flag while the client is being set
// so that RemoveChild() below knows that we are taking care of things.
//
SettingClient = true;
oldWnd = TFrameWindow::SetClientWindow(clientWnd);
SettingClient = false;
if (oldWnd->GetCaption() && oldWnd->GetCaption()[0] == 007) {
oldWnd->Destroy();
delete oldWnd;
oldWnd = 0;
}
// Relayout the children to get the new client sized right
//
Layout();
return oldWnd;
}
void TWindow::DoDestroy()
{
TListIterator<TWindow> iter(fChildren);
TWindow* child;
while ((child = iter.Next()) != NULL)
child->Destroy();
if (IsCreated())
XDestroyWindow(sDisplay, fWindow);
delete this;
}
