Scene editor for logical scenes; scenario editor Save refreshes the running game; novel_flow itest; mod cover

src/SceneEditor/SceneBackgroundTile.cs

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+using System;
+using Cthangover.Core.UI.Theming;
+using Cthangover.Mods.Interface.Theming;
+using Cthangover.Tools.Common;
+using Cthangover.Tools.Services;
+using Godot;
+
+namespace Cthangover.Tools.SceneEditor
+{
+    /// <summary>
+    /// One background of the edited scene in <see cref="SceneEditorWindow"/>: a thumbnail
+    /// (click shows it in the preview), the background id and the mod whose scene file
+    /// adds it, and a remove button only for backgrounds of the file being edited —
+    /// another mod's background can only be hidden by editing that mod.
+    /// </summary>
+    public partial class SceneBackgroundTile : PanelContainer
+    {
+        private readonly string _background;
+        private readonly Action<string> _picked;
+        private readonly Action<string> _removed;
+
+        /// <summary>Builds the tile; <paramref name="removable"/> shows the ✕ button, <paramref name="selected"/> the accent frame.</summary>
+        public SceneBackgroundTile(string background, string modId, bool removable, bool selected,
+            Action<string> picked, Action<string> removed)
+        {
+            _background = background;
+            _picked = picked;
+            _removed = removed;
+            AddThemeStyleboxOverride("panel", UiKit.Frame(UiTokens.RadiusSm, UiTokens.Surface1,
+                selected ? UiTokens.Accent : UiTokens.Line));
+
+            var column = new VBoxContainer();
+            column.AddThemeConstantOverride("separation", UiTokens.Space1);
+            AddChild(column);
+
+            var thumb = new TextureButton
+            {
+                TextureNormal = ModResourceService.LoadBackgroundTexture(background),
+                IgnoreTextureSize = true,
+                StretchMode = TextureButton.StretchModeEnum.KeepAspectCentered,
+                CustomMinimumSize = SceneEditorWindow.ThumbSize,
+                TooltipText = background
+            };
+            thumb.Pressed += OnPicked;
+            column.AddChild(thumb);
+
+            var row = new HBoxContainer();
+            row.AddThemeConstantOverride("separation", UiTokens.Space1);
+            column.AddChild(row);
+            var caption = ToolUi.Hint(background + " · " + modId);
+            caption.TooltipText = background + " (" + modId + ")";
+            caption.MouseFilter = MouseFilterEnum.Pass;
+            caption.SizeFlagsHorizontal = SizeFlags.ExpandFill;
+            caption.CustomMinimumSize = new Vector2(SceneEditorWindow.ThumbSize.X - 32, 0);
+            caption.TextOverrunBehavior = TextServer.OverrunBehavior.TrimEllipsis;
+            row.AddChild(caption);
+            if (removable)
+            {
+                var remove = UiKit.IconButton("✕", ToolUi.Tr("tools/scene_editor/remove_background"));
+                remove.Pressed += OnRemoved;
+                row.AddChild(remove);
+            }
+        }
+
+        private void OnPicked() => _picked?.Invoke(_background);
+
+        private void OnRemoved() => _removed?.Invoke(_background);
+    }
+}