Improve tile source tooltips

Author: KoBeWi

editor/scene/2d/tiles/tile_map_layer_editor.cpp

@@ -183,6 +183,7 @@ void TileMapLayerEditorTilesPlugin::_update_tile_set_sources_list() {
 	}
 	sources_list->set_meta("old_source", old_source);
 	sources_list->clear();
+	sources_list->tile_set = Ref<TileSet>();
 
 	TileMapLayer *edited_layer = _get_edited_layer();
 	if (!edited_layer) {
@@ -193,6 +194,7 @@ void TileMapLayerEditorTilesPlugin::_update_tile_set_sources_list() {
 	if (tile_set.is_null()) {
 		return;
 	}
+	sources_list->tile_set = tile_set;
 
 	if (!tile_set->has_source(old_source)) {
 		old_source = -1;
@@ -2380,20 +2382,11 @@ TileMapLayerEditorTilesPlugin::TileMapLayerEditorTilesPlugin() {
 	p->set_item_checked(TilesEditorUtils::SOURCE_SORT_ID, true);
 	sources_bottom_actions->add_child(source_sort_button);
 
-	sources_list = memnew(ItemList);
-	sources_list->set_auto_translate_mode(Node::AUTO_TRANSLATE_MODE_DISABLED);
-	sources_list->set_fixed_icon_size(Size2(60, 60) * EDSCALE);
-	sources_list->set_h_size_flags(Control::SIZE_EXPAND_FILL);
-	sources_list->set_v_size_flags(Control::SIZE_EXPAND_FILL);
-	sources_list->set_stretch_ratio(0.25);
-	sources_list->set_custom_minimum_size(Size2(70, 0) * EDSCALE);
-	sources_list->set_texture_filter(CanvasItem::TEXTURE_FILTER_NEAREST);
-	sources_list->set_theme_type_variation("ItemListSecondary");
+	sources_list = memnew(TileSetSourceItemList);
 	sources_list->connect(SceneStringName(item_selected), callable_mp(this, &TileMapLayerEditorTilesPlugin::_update_source_display).unbind(1));
 	sources_list->connect(SceneStringName(item_selected), callable_mp(TilesEditorUtils::get_singleton(), &TilesEditorUtils::set_sources_lists_current));
 	sources_list->connect("item_activated", callable_mp(TilesEditorUtils::get_singleton(), &TilesEditorUtils::display_tile_set_editor_panel).unbind(1));
 	sources_list->connect(SceneStringName(visibility_changed), callable_mp(TilesEditorUtils::get_singleton(), &TilesEditorUtils::synchronize_sources_list).bind(sources_list, source_sort_button));
-	sources_list->add_user_signal(MethodInfo("sort_request"));
 	sources_list->connect("sort_request", callable_mp(this, &TileMapLayerEditorTilesPlugin::_update_tile_set_sources_list));
 	split_container_left_side->add_child(sources_list);
 	split_container_left_side->add_child(sources_bottom_actions);

editor/scene/2d/tiles/tile_map_layer_editor.h

@@ -47,6 +47,7 @@
 
 class TileMapLayer;
 class TileMapLayerEditor;
+class TileSetSourceItemList;
 
 class TileMapLayerSubEditorPlugin : public Object {
 protected:
@@ -176,7 +177,7 @@ class TileMapLayerEditorTilesPlugin : public TileMapLayerSubEditorPlugin {
 	Label *missing_source_label = nullptr;
 	Label *invalid_source_label = nullptr;
 
-	ItemList *sources_list = nullptr;
+	TileSetSourceItemList *sources_list = nullptr;
 	MenuButton *source_sort_button = nullptr;
 
 	Ref<Texture2D> missing_atlas_texture_icon;

editor/scene/2d/tiles/tile_set_editor.cpp

@@ -728,6 +728,7 @@ void TileSetEditor::edit(Ref<TileSet> p_tile_set) {
 
 	// Change the edited object.
 	tile_set = p_tile_set;
+	sources_list->tile_set = p_tile_set;
 
 	// Read-only status is false by default
 	read_only = new_read_only_state;
@@ -855,18 +856,11 @@ TileSetEditor::TileSetEditor() {
 	p->add_radio_check_item(TTR("Sort by Name (Descending)"), TilesEditorUtils::SOURCE_SORT_NAME_REVERSE);
 	p->set_item_checked(TilesEditorUtils::SOURCE_SORT_ID, true);
 
-	sources_list = memnew(ItemList);
-	sources_list->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
-	sources_list->set_fixed_icon_size(Size2(60, 60) * EDSCALE);
-	sources_list->set_h_size_flags(SIZE_EXPAND_FILL);
-	sources_list->set_v_size_flags(SIZE_EXPAND_FILL);
-	sources_list->set_theme_type_variation("ItemListSecondary");
+	sources_list = memnew(TileSetSourceItemList);
 	sources_list->connect(SceneStringName(item_selected), callable_mp(this, &TileSetEditor::_source_selected));
 	sources_list->connect(SceneStringName(item_selected), callable_mp(TilesEditorUtils::get_singleton(), &TilesEditorUtils::set_sources_lists_current));
 	sources_list->connect(SceneStringName(visibility_changed), callable_mp(TilesEditorUtils::get_singleton(), &TilesEditorUtils::synchronize_sources_list).bind(sources_list, source_sort_button));
-	sources_list->add_user_signal(MethodInfo("sort_request"));
 	sources_list->connect("sort_request", callable_mp(this, &TileSetEditor::_update_sources_list).bind(-1));
-	sources_list->set_texture_filter(CanvasItem::TEXTURE_FILTER_NEAREST);
 	SET_DRAG_FORWARDING_CDU(sources_list, TileSetEditor);
 	split_container_left_side->add_child(sources_list);
 

editor/scene/2d/tiles/tile_set_editor.h

@@ -43,6 +43,7 @@ class HBoxContainer;
 class SplitContainer;
 class EditorFileDialog;
 class EditorInspectorPlugin;
+class TileSetSourceItemList;
 
 class TileSetEditor : public MarginContainer {
 	GDCLASS(TileSetEditor, MarginContainer);
@@ -76,7 +77,7 @@ class TileSetEditor : public MarginContainer {
 	MenuButton *sources_add_button = nullptr;
 	MenuButton *source_sort_button = nullptr;
 	MenuButton *sources_advanced_menu_button = nullptr;
-	ItemList *sources_list = nullptr;
+	TileSetSourceItemList *sources_list = nullptr;
 	Ref<Texture2D> missing_texture_texture;
 	void _source_selected(int p_source_index);
 	void _source_delete_pressed();

editor/scene/2d/tiles/tiles_editor_plugin.cpp

@@ -327,6 +327,32 @@ TilesEditorUtils::~TilesEditorUtils() {
 	singleton = nullptr;
 }
 
+String TileSetSourceItemList::get_tooltip(const Point2 &p_pos) const {
+	int idx = get_item_at_position(p_pos);
+	if (tile_set.is_null() || idx == -1) {
+		return ItemList::get_tooltip(p_pos);
+	}
+	idx = get_item_metadata(idx);
+
+	Ref<TileSetAtlasSource> atlas = tile_set->get_source(idx);
+	if (atlas.is_valid() && atlas->get_texture().is_valid()) {
+		return vformat(TTR("Source ID: %d\nTexture path: %s"), idx, atlas->get_texture()->get_path());
+	}
+	return vformat(TTR("Source ID: %d"), idx);
+}
+
+TileSetSourceItemList::TileSetSourceItemList() {
+	set_fixed_icon_size(Size2(60, 60) * EDSCALE);
+	set_h_size_flags(SIZE_EXPAND_FILL);
+	set_v_size_flags(SIZE_EXPAND_FILL);
+	set_stretch_ratio(0.25);
+	set_custom_minimum_size(Size2(70, 0) * EDSCALE);
+	set_theme_type_variation("ItemListSecondary");
+	set_texture_filter(TEXTURE_FILTER_NEAREST);
+	set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
+	add_user_signal(MethodInfo("sort_request"));
+}
+
 void TileMapEditorPlugin::_tile_map_layer_changed() {
 	if (tile_map_changed_needs_update) {
 		return;

editor/scene/2d/tiles/tiles_editor_plugin.h

@@ -107,6 +107,17 @@ class TilesEditorUtils : public Object {
 	~TilesEditorUtils();
 };
 
+class TileSetSourceItemList : public ItemList {
+	GDCLASS(TileSetSourceItemList, ItemList);
+
+public:
+	Ref<TileSet> tile_set;
+
+	virtual String get_tooltip(const Point2 &p_pos) const override;
+
+	TileSetSourceItemList();
+};
+
 class TileMapEditorPlugin : public EditorPlugin {
 	GDCLASS(TileMapEditorPlugin, EditorPlugin);