feat: display settings screen with window mode and resolution picker

objects/ui/display_settings.tscn

@@ -0,0 +1,77 @@
+[gd_scene load_steps=3 format=3 uid="uid://display_settings_scene"]
+
+[ext_resource type="Script" uid="uid://display_settings_script" path="res://scripts/UI/DisplaySettings.cs" id="1_dispset"]
+
+[sub_resource type="StyleBoxFlat" id="StyleBoxFlat_dispset"]
+bg_color = Color(0, 0, 0, 1)
+
+[node name="Display settings" type="Control" node_paths=PackedStringArray("WindowModeButton", "ResolutionButton", "DisplaySettingsControl")]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+size_flags_horizontal = 6
+size_flags_vertical = 6
+script = ExtResource("1_dispset")
+WindowModeButton = NodePath("PanelContainer/MarginContainer/VBoxContainer/Window Mode/WindowModeButton")
+ResolutionButton = NodePath("PanelContainer/MarginContainer/VBoxContainer/Resolution/ResolutionButton")
+DisplaySettingsControl = NodePath(".")
+
+[node name="PanelContainer" type="PanelContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_styles/panel = SubResource("StyleBoxFlat_dispset")
+
+[node name="MarginContainer" type="MarginContainer" parent="PanelContainer"]
+layout_mode = 2
+theme_override_constants/margin_left = 8
+theme_override_constants/margin_top = 8
+theme_override_constants/margin_right = 8
+theme_override_constants/margin_bottom = 8
+
+[node name="VBoxContainer" type="VBoxContainer" parent="PanelContainer/MarginContainer"]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 4
+
+[node name="Display" type="Label" parent="PanelContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "DISPLAY"
+horizontal_alignment = 1
+vertical_alignment = 1
+uppercase = true
+
+[node name="Spacer" type="Control" parent="PanelContainer/MarginContainer/VBoxContainer"]
+custom_minimum_size = Vector2(0, 32)
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="Window Mode" type="VBoxContainer" parent="PanelContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_constants/separation = 4
+
+[node name="Label" type="Label" parent="PanelContainer/MarginContainer/VBoxContainer/Window Mode"]
+layout_mode = 2
+text = "WINDOW_MODE"
+horizontal_alignment = 1
+
+[node name="WindowModeButton" type="OptionButton" parent="PanelContainer/MarginContainer/VBoxContainer/Window Mode"]
+layout_mode = 2
+
+[node name="Resolution" type="VBoxContainer" parent="PanelContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_constants/separation = 4
+
+[node name="Label" type="Label" parent="PanelContainer/MarginContainer/VBoxContainer/Resolution"]
+layout_mode = 2
+text = "RESOLUTION"
+horizontal_alignment = 1
+
+[node name="ResolutionButton" type="OptionButton" parent="PanelContainer/MarginContainer/VBoxContainer/Resolution"]
+layout_mode = 2

objects/ui/settings_menu.tscn

@@ -59,7 +59,6 @@ flat = true
 
 [node name="Display Settings Button" type="Button" parent="PanelContainer/MarginContainer/VBoxContainer"]
 layout_mode = 2
-disabled = true
 text = "DISPLAY_BUTTON"
 flat = true
 

scenes/main_menu.tscn

@@ -1,10 +1,11 @@
-[gd_scene load_steps=6 format=3 uid="uid://cl00e2ocomk3m"]
+[gd_scene load_steps=7 format=3 uid="uid://cl00e2ocomk3m"]
 
 [ext_resource type="PackedScene" uid="uid://8b6ol5sssbgo" path="res://objects/ui/main_menu.tscn" id="1_ekxnf"]
 [ext_resource type="PackedScene" uid="uid://y0ae6e7t70fj" path="res://objects/ui/settings_menu.tscn" id="2_bqqt6"]
 [ext_resource type="PackedScene" uid="uid://bwgmrcyj4mvu" path="res://objects/ui/credits.tscn" id="3_bqqt6"]
 [ext_resource type="PackedScene" uid="uid://b5fx1vdfky307" path="res://objects/ui/audio_settings.tscn" id="4_8ln24"]
 [ext_resource type="PackedScene" uid="uid://cvfsbiy5ggrpg" path="res://objects/ui/input_settings.tscn" id="5_rtw2f"]
+[ext_resource type="PackedScene" uid="uid://display_settings_scene" path="res://objects/ui/display_settings.tscn" id="6_dispset"]
 
 [node name="Main menu" type="CanvasLayer"]
 
@@ -34,8 +35,5 @@ anchors_preset = 0
 offset_right = 40.0
 offset_bottom = 40.0
 
-[node name="Display Settings" type="Control" parent="."]
+[node name="Display Settings" parent="." instance=ExtResource("6_dispset")]
-layout_mode = 3
+visible = false
-anchors_preset = 0
-offset_right = 40.0
-offset_bottom = 40.0

scripts/UI/DisplaySettings.cs

@@ -0,0 +1,144 @@
+using Godot;
+using Mr.BrickAdventures.Autoloads;
+
+namespace Mr.BrickAdventures.scripts.UI;
+
+public partial class DisplaySettings : Control
+{
+    [Export] public OptionButton WindowModeButton { get; set; }
+    [Export] public OptionButton ResolutionButton { get; set; }
+    [Export] public Control DisplaySettingsControl { get; set; }
+
+    private UIManager UIManager => UIManager.Instance;
+
+    public override void _Ready()
+    {
+        PopulateWindowMode();
+        PopulateResolutions();
+
+        WindowModeButton.ItemSelected += OnWindowModeChanged;
+        ResolutionButton.ItemSelected += OnResolutionChanged;
+
+        LoadSettings();
+
+        if (InputDeviceManager.Instance != null)
+            InputDeviceManager.Instance.DeviceChanged += OnDeviceChanged;
+        DisplaySettingsControl.VisibilityChanged += OnVisibilityChanged;
+    }
+
+    public override void _ExitTree()
+    {
+        if (InputDeviceManager.Instance != null)
+            InputDeviceManager.Instance.DeviceChanged -= OnDeviceChanged;
+        DisplaySettingsControl.VisibilityChanged -= OnVisibilityChanged;
+        SettingsManager.Instance?.SaveDisplaySettings();
+    }
+
+    public override void _UnhandledInput(InputEvent @event)
+    {
+        if (!@event.IsActionReleased("ui_cancel")) return;
+        if (!UIManager.IsScreenOnTop(DisplaySettingsControl)) return;
+
+        SettingsManager.Instance?.SaveDisplaySettings();
+        UIManager.PopScreen();
+    }
+
+    private void OnVisibilityChanged()
+    {
+        if (DisplaySettingsControl.IsVisibleInTree() && InputDeviceManager.Instance?.IsPointerless == true)
+            GrabFirstFocus();
+    }
+
+    private void OnDeviceChanged(int device)
+    {
+        var d = (InputDeviceManager.InputDevice)device;
+        if (d != InputDeviceManager.InputDevice.Mouse && DisplaySettingsControl.IsVisibleInTree())
+            GrabFirstFocus();
+    }
+
+    private void GrabFirstFocus() => WindowModeButton.GrabFocus();
+
+    private void PopulateWindowMode()
+    {
+        WindowModeButton.Clear();
+        WindowModeButton.AddItem("Fullscreen", 0);
+        WindowModeButton.AddItem("Borderless", 1);
+        WindowModeButton.AddItem("Windowed", 2);
+    }
+
+    private void PopulateResolutions()
+    {
+        ResolutionButton.Clear();
+        foreach (var res in SettingsManager.Instance.GetAllResolutions())
+        {
+            string label = $"{res.X}×{res.Y}";
+            ResolutionButton.AddItem(label);
+        }
+    }
+
+    private void OnWindowModeChanged(long idx)
+    {
+        string mode = idx switch
+        {
+            0 => "fullscreen",
+            1 => "borderless",
+            _ => "windowed"
+        };
+
+        ApplyWindowMode(mode);
+        SettingsManager.Instance.WindowMode = mode;
+        ResolutionButton.Disabled = mode == "fullscreen";
+        SettingsManager.Instance.SaveDisplaySettings();
+    }
+
+    private void OnResolutionChanged(long idx)
+    {
+        var resolutions = SettingsManager.Instance.GetAllResolutions();
+        if (idx < 0 || idx >= resolutions.Count) return;
+
+        var res = resolutions[(int)idx];
+        SettingsManager.Instance.Resolution = res;
+
+        var mode = SettingsManager.Instance.WindowMode;
+        if (mode != "fullscreen")
+            DisplayServer.WindowSetSize(res);
+
+        SettingsManager.Instance.SaveDisplaySettings();
+    }
+
+    private static void ApplyWindowMode(string mode)
+    {
+        switch (mode)
+        {
+            case "fullscreen":
+                DisplayServer.WindowSetMode(DisplayServer.WindowMode.Fullscreen);
+                break;
+            case "borderless":
+                DisplayServer.WindowSetMode(DisplayServer.WindowMode.Windowed);
+                DisplayServer.WindowSetFlag(DisplayServer.WindowFlags.Borderless, true);
+                break;
+            default:
+                DisplayServer.WindowSetMode(DisplayServer.WindowMode.Windowed);
+                DisplayServer.WindowSetFlag(DisplayServer.WindowFlags.Borderless, false);
+                break;
+        }
+    }
+
+    private void LoadSettings()
+    {
+        var mode = SettingsManager.Instance.WindowMode;
+        WindowModeButton.Selected = mode switch
+        {
+            "fullscreen" => 0,
+            "borderless" => 1,
+            _ => 2
+        };
+        ResolutionButton.Disabled = mode == "fullscreen";
+
+        var resolution = SettingsManager.Instance.Resolution;
+        var resolutions = SettingsManager.Instance.GetAllResolutions();
+        int resIdx = resolutions.IndexOf(resolution);
+        if (resIdx >= 0)
+            ResolutionButton.Selected = resIdx;
+    }
+}