76 lines
1.9 KiB
C#
76 lines
1.9 KiB
C#
using Godot;
|
|
|
|
namespace Mr.BrickAdventures.Autoloads;
|
|
|
|
public partial class UIManager : Node
|
|
{
|
|
public static UIManager Instance { get; private set; }
|
|
|
|
private readonly System.Collections.Generic.List<Control> UiStack = new();
|
|
|
|
public override void _Ready()
|
|
{
|
|
Instance = this;
|
|
}
|
|
|
|
public override void _ExitTree()
|
|
{
|
|
if (Instance == this) Instance = null;
|
|
}
|
|
|
|
[Signal] public delegate void ScreenPushedEventHandler(Control screen);
|
|
[Signal] public delegate void ScreenPoppedEventHandler(Control screen);
|
|
|
|
public void PushScreen(Control screen)
|
|
{
|
|
if (screen == null)
|
|
{
|
|
GD.PushError($"Cannot push a null screen.");
|
|
return;
|
|
}
|
|
|
|
UiStack.Add(screen);
|
|
screen.Show();
|
|
screen.SetProcessInput(true);
|
|
screen.SetFocusMode(Control.FocusModeEnum.All);
|
|
screen.GrabFocus();
|
|
EmitSignalScreenPushed(screen);
|
|
}
|
|
|
|
public void PopScreen()
|
|
{
|
|
if (UiStack.Count == 0)
|
|
{
|
|
GD.PushError($"Cannot pop screen from an empty stack.");
|
|
return;
|
|
}
|
|
|
|
var top = UiStack[^1];
|
|
UiStack.RemoveAt(UiStack.Count - 1);
|
|
top.Hide();
|
|
top.SetProcessInput(false);
|
|
EmitSignalScreenPopped(top);
|
|
top.AcceptEvent();
|
|
|
|
if (UiStack.Count > 0) UiStack[^1].GrabFocus();
|
|
}
|
|
|
|
public Control TopScreen() => UiStack.Count > 0 ? UiStack[^1] : null;
|
|
|
|
public bool IsScreenOnTop(Control screen) => UiStack.Count > 0 && UiStack[^1] == screen;
|
|
|
|
public bool IsVisibleOnStack(Control screen) => UiStack.Contains(screen) && screen.Visible;
|
|
|
|
public void CloseAll()
|
|
{
|
|
while (UiStack.Count > 0)
|
|
PopScreen();
|
|
}
|
|
|
|
public static void HideAndDisable(Control screen)
|
|
{
|
|
screen.Hide();
|
|
screen.SetProcessInput(false);
|
|
}
|
|
|
|
} |