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