public void PushScreen(NotNull <Screen> screen)
{
if (CurrentScreen != null)
{
IUserInterfaceScreen oldScreen = CurrentScreen;
oldScreen.Deactivate();
}
mScreens.Push(screen);
IUserInterfaceScreen uiScreen = (IUserInterfaceScreen)screen.Value;
uiScreen.Attach(this, mForm.Terminal);
Repaint();
}
public void SetScreen(NotNull <Screen> screen)
{
// Remove the current screen (if any)
if (_screens.Count > 0)
{
//if (_screens.Count == 0) throw new InvalidOperationException("Cannot pop when there are no screens on the stack.");
// Unbind the screen
IUserInterfaceScreen oldScreen = (IUserInterfaceScreen)_screens.Pop();
oldScreen.Detach(this);
}
_screens.Push(screen);
IUserInterfaceScreen uiScreen = (IUserInterfaceScreen)screen.Value;
uiScreen.Attach(this);
Repaint();
}
public void PopScreen()
{
if (mScreens.Count == 0)
{
throw new InvalidOperationException("Cannot pop when there are no screens on the stack.");
}
// unbind the screen
Screen screen = mScreens.Pop();
IUserInterfaceScreen uiScreen = (IUserInterfaceScreen)screen;
uiScreen.Detach(this);
if (CurrentScreen != null)
{
IUserInterfaceScreen newScreen = CurrentScreen;
newScreen.Activate();
}
Repaint();
}
