/// <summary>
/// Sets the currently-selected component or controller.
/// </summary>
/// <param name="newSelection"></param>
public void SetSelectedIndex(int newSelection)
{
// do nothing if there are no components
if (Components.Count == 0 || newSelection == -1)
{
selectedIndex = -1;
return;
}
DebugLog.LogComponent("New Selection: " + newSelection);
int oldSelection = selectedIndex;
selectedIndex = newSelection;
// Update selection focus
SetActive(oldSelection, false);
SetActive(selectedIndex, true);
// Try to invoke SelectionChange
if (SelectionChange != null)
{
SelectionChange(this, new ReferenceArgs <int>(selectedIndex));
}
}
private void Run()
{
double last_key_time = 0;
DateTime UNIX_EPOCH = new DateTime(1970, 1, 1);
while (running)
{
ConsoleKeyInfo key = Console.ReadKey(true);
DebugLog.LogComponent("Handling KEY: " + key.Key);
if (Container != null)
{
double current_millis = (DateTime.UtcNow - UNIX_EPOCH).TotalMilliseconds;
if (current_millis - last_key_time > KEY_DELAY)
{
Container.OnKeyPressed(this, new ConsoleKeyEventArgs(key));
last_key_time = current_millis;
}
}
else
{
DebugLog.LogComponent("Warning: RootContainer is null");
}
if (ExitKey != 0 && key.Key == ExitKey)
{
running = false;
}
}
}
protected override bool HandleKeyPress(object sender, ConsoleKeyEventArgs args)
{
bool handled = false;
if (HasFocus && args.Key.Key == ConsoleKey.Enter)
{
double current_millis = (DateTime.UtcNow - UNIX_EPOCH).TotalMilliseconds;
if (current_millis - LAST_ACTIVATION > ACTIVATION_DELAY)
{
if (Action != null)
{
Action(sender, new ComponentEventArgs(this));
}
else
{
DebugLog.LogComponent("Warning: button with text '" + Text + "' has no action");
}
LAST_ACTIVATION = current_millis;
handled = true;
}
}
return(handled);
}