public WinFormsUiFacade(AlphaTabControl scrollViewer, AlphaTabLayoutPanel layoutPanel)
{
_layoutPanel = layoutPanel;
RootContainer = new ControlContainer(scrollViewer);
RootContainerBecameVisible = new DelegatedEventEmitter(
value =>
{
if (RootContainer.IsVisible)
{
value();
}
else
{
void OnSizeChanged(object?sender, EventArgs e)
{
SettingsContainer.VisibleChanged -= OnVisibilityChanged;
SettingsContainer.SizeChanged -= OnSizeChanged;
if (SettingsContainer.Visible && SettingsContainer.Width > 0)
{
InternalRootContainerBecameVisible?.Invoke();
InternalRootContainerBecameVisible = null;
}
}
void OnVisibilityChanged(object?sender, EventArgs e)
{
SettingsContainer.VisibleChanged -= OnVisibilityChanged;
SettingsContainer.SizeChanged -= OnSizeChanged;
if (SettingsContainer.Visible && SettingsContainer.Width > 0)
{
InternalRootContainerBecameVisible?.Invoke();
InternalRootContainerBecameVisible = null;
}
}
InternalRootContainerBecameVisible += value;
SettingsContainer.VisibleChanged += OnVisibilityChanged;
SettingsContainer.SizeChanged += OnSizeChanged;
}
},
value => { InternalRootContainerBecameVisible -= value; }
);
}
public WpfUiFacade(ScrollViewer scrollViewer)
{
_scrollViewer = scrollViewer;
RootContainer = new FrameworkElementContainer(scrollViewer);
RootContainerBecameVisible = new DelegatedEventEmitter(
value =>
{
if (RootContainer.IsVisible)
{
value();
}
else
{
void OnSizeChanged(object sender, SizeChangedEventArgs e)
{
_scrollViewer.IsVisibleChanged -= OnVisibilityChanged;
_scrollViewer.SizeChanged -= OnSizeChanged;
if (_scrollViewer.IsVisible && _scrollViewer.ActualWidth > 0)
{
InternalRootContainerBecameVisible?.Invoke();
InternalRootContainerBecameVisible = null;
}
}
void OnVisibilityChanged(object sender,
DependencyPropertyChangedEventArgs e)
{
_scrollViewer.IsVisibleChanged -= OnVisibilityChanged;
_scrollViewer.SizeChanged -= OnSizeChanged;
if (_scrollViewer.IsVisible && _scrollViewer.ActualWidth > 0)
{
InternalRootContainerBecameVisible?.Invoke();
InternalRootContainerBecameVisible = null;
}
}
InternalRootContainerBecameVisible += value;
_scrollViewer.IsVisibleChanged += OnVisibilityChanged;
_scrollViewer.SizeChanged += OnSizeChanged;
}
},
value => { InternalRootContainerBecameVisible -= value; }
);
}