Add theme type variations for secondary Trees and ItemLists

24 files changed, 35 insertions, 0 deletions

diff --git a/editor/create_dialog.cpp b/editor/create_dialog.cpp
index 2273014f72..c66adb63e8 100644
--- a/editor/create_dialog.cpp
+++ b/editor/create_dialog.cpp
@@ -764,6 +764,7 @@ CreateDialog::CreateDialog() {
 	favorites->connect("cell_selected", callable_mp(this, &CreateDialog::_favorite_selected));
 	favorites->connect("item_activated", callable_mp(this, &CreateDialog::_favorite_activated));
 	favorites->add_theme_constant_override("draw_guides", 1);
+	favorites->set_theme_type_variation("TreeSecondary");
 	SET_DRAG_FORWARDING_GCD(favorites, CreateDialog);
 	fav_vb->add_margin_child(TTR("Favorites:"), favorites, true);
 
@@ -779,6 +780,7 @@ CreateDialog::CreateDialog() {
 	recent->connect(SceneStringName(item_selected), callable_mp(this, &CreateDialog::_history_selected));
 	recent->connect("item_activated", callable_mp(this, &CreateDialog::_history_activated));
 	recent->add_theme_constant_override("draw_guides", 1);
+	recent->set_theme_type_variation("ItemListSecondary");
 
 	VBoxContainer *vbc = memnew(VBoxContainer);
 	vbc->set_custom_minimum_size(Size2(300, 0) * EDSCALE);
diff --git a/editor/debugger/editor_performance_profiler.cpp b/editor/debugger/editor_performance_profiler.cpp
index 1ea9a66534..457e60b145 100644
--- a/editor/debugger/editor_performance_profiler.cpp
+++ b/editor/debugger/editor_performance_profiler.cpp
@@ -401,6 +401,7 @@ EditorPerformanceProfiler::EditorPerformanceProfiler() {
 	monitor_tree->connect("item_edited", callable_mp(this, &EditorPerformanceProfiler::_monitor_select));
 	monitor_tree->create_item();
 	monitor_tree->set_hide_root(true);
+	monitor_tree->set_theme_type_variation("TreeSecondary");
 	add_child(monitor_tree);
 
 	monitor_draw = memnew(Control);
diff --git a/editor/debugger/editor_profiler.cpp b/editor/debugger/editor_profiler.cpp
index 33fa208f70..87e5796793 100644
--- a/editor/debugger/editor_profiler.cpp
+++ b/editor/debugger/editor_profiler.cpp
@@ -712,6 +712,7 @@ EditorProfiler::EditorProfiler() {
 	variables->set_column_expand(2, false);
 	variables->set_column_clip_content(2, true);
 	variables->set_column_custom_minimum_width(2, 50 * EDSCALE);
+	variables->set_theme_type_variation("TreeSecondary");
 	variables->connect("item_edited", callable_mp(this, &EditorProfiler::_item_edited));
 
 	graph = memnew(TextureRect);
diff --git a/editor/debugger/editor_visual_profiler.cpp b/editor/debugger/editor_visual_profiler.cpp
index 9a83277e99..0b2304b060 100644
--- a/editor/debugger/editor_visual_profiler.cpp
+++ b/editor/debugger/editor_visual_profiler.cpp
@@ -807,6 +807,7 @@ EditorVisualProfiler::EditorVisualProfiler() {
 	variables->set_column_expand(2, false);
 	variables->set_column_clip_content(2, true);
 	variables->set_column_custom_minimum_width(2, 75 * EDSCALE);
+	variables->set_theme_type_variation("TreeSecondary");
 	variables->connect("cell_selected", callable_mp(this, &EditorVisualProfiler::_item_selected));
 
 	graph = memnew(TextureRect);
diff --git a/editor/debugger/script_editor_debugger.cpp b/editor/debugger/script_editor_debugger.cpp
index da59450dd0..2c077e2d4c 100644
--- a/editor/debugger/script_editor_debugger.cpp
+++ b/editor/debugger/script_editor_debugger.cpp
@@ -1921,6 +1921,7 @@ ScriptEditorDebugger::ScriptEditorDebugger() {
 		stack_dump->set_column_title(0, TTR("Stack Frames"));
 		stack_dump->set_hide_root(true);
 		stack_dump->set_v_size_flags(SIZE_EXPAND_FILL);
+		stack_dump->set_theme_type_variation("TreeSecondary");
 		stack_dump->connect("cell_selected", callable_mp(this, &ScriptEditorDebugger::_stack_dump_frame_selected));
 		stack_vb->add_child(stack_dump);
 
@@ -1956,6 +1957,7 @@ ScriptEditorDebugger::ScriptEditorDebugger() {
 		breakpoints_tree->set_allow_reselect(true);
 		breakpoints_tree->set_allow_rmb_select(true);
 		breakpoints_tree->set_hide_root(true);
+		breakpoints_tree->set_theme_type_variation("TreeSecondary");
 		breakpoints_tree->connect("item_mouse_selected", callable_mp(this, &ScriptEditorDebugger::_breakpoints_item_rmb_selected));
 		breakpoints_tree->create_item();
 
diff --git a/editor/editor_asset_installer.cpp b/editor/editor_asset_installer.cpp
index 72755e8943..5035900fe8 100644
--- a/editor/editor_asset_installer.cpp
+++ b/editor/editor_asset_installer.cpp
@@ -735,6 +735,7 @@ EditorAssetInstaller::EditorAssetInstaller() {
 	source_tree->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
 	source_tree->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 	source_tree->connect("item_edited", callable_mp(this, &EditorAssetInstaller::_item_checked_cbk));
+	source_tree->set_theme_type_variation("TreeSecondary");
 	source_tree_vb->add_child(source_tree);
 
 	VBoxContainer *destination_tree_vb = memnew(VBoxContainer);
diff --git a/editor/editor_audio_buses.cpp b/editor/editor_audio_buses.cpp
index 0649272216..103a649dc3 100644
--- a/editor/editor_audio_buses.cpp
+++ b/editor/editor_audio_buses.cpp
@@ -959,6 +959,7 @@ EditorAudioBus::EditorAudioBus(EditorAudioBuses *p_buses, bool p_is_master) {
 	effects->set_allow_rmb_select(true);
 	effects->set_focus_mode(FOCUS_CLICK);
 	effects->set_allow_reselect(true);
+	effects->set_theme_type_variation("TreeSecondary");
 	effects->connect(SceneStringName(gui_input), callable_mp(this, &EditorAudioBus::_effects_gui_input));
 
 	send = memnew(OptionButton);
diff --git a/editor/editor_feature_profile.cpp b/editor/editor_feature_profile.cpp
index 9cf10c0ecb..9b6c387f18 100644
--- a/editor/editor_feature_profile.cpp
+++ b/editor/editor_feature_profile.cpp
@@ -989,6 +989,7 @@ EditorFeatureProfileManager::EditorFeatureProfileManager() {
 	class_list->connect("cell_selected", callable_mp(this, &EditorFeatureProfileManager::_class_list_item_selected));
 	class_list->connect("item_edited", callable_mp(this, &EditorFeatureProfileManager::_class_list_item_edited), CONNECT_DEFERRED);
 	class_list->connect("item_collapsed", callable_mp(this, &EditorFeatureProfileManager::_class_list_item_collapsed));
+	class_list->set_theme_type_variation("TreeSecondary");
 	// It will be displayed once the user creates or chooses a profile.
 	class_list_vbc->hide();
 
diff --git a/editor/editor_sectioned_inspector.cpp b/editor/editor_sectioned_inspector.cpp
index d88cc4d5fa..75eace833e 100644
--- a/editor/editor_sectioned_inspector.cpp
+++ b/editor/editor_sectioned_inspector.cpp
@@ -353,6 +353,7 @@ SectionedInspector::SectionedInspector() :
 	sections->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
 	sections->set_v_size_flags(SIZE_EXPAND_FILL);
 	sections->set_hide_root(true);
+	sections->set_theme_type_variation("TreeSecondary");
 
 	left_vb->add_child(sections, true);
 
diff --git a/editor/export/project_export.cpp b/editor/export/project_export.cpp
index 8ae4b856a0..df1fa306c8 100644
--- a/editor/export/project_export.cpp
+++ b/editor/export/project_export.cpp
@@ -1411,6 +1411,7 @@ ProjectExportDialog::ProjectExportDialog() {
 	preset_vb->add_child(mc);
 	mc->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 	presets = memnew(ItemList);
+	presets->set_theme_type_variation("ItemListSecondary");
 	presets->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
 	SET_DRAG_FORWARDING_GCD(presets, ProjectExportDialog);
 	mc->add_child(presets);
diff --git a/editor/filesystem_dock.cpp b/editor/filesystem_dock.cpp
index c7e12d1f3b..0de2f5252c 100644
--- a/editor/filesystem_dock.cpp
+++ b/editor/filesystem_dock.cpp
@@ -4146,6 +4146,7 @@ FileSystemDock::FileSystemDock() {
 	files = memnew(FileSystemList);
 	files->set_v_size_flags(SIZE_EXPAND_FILL);
 	files->set_select_mode(ItemList::SELECT_MULTI);
+	files->set_theme_type_variation("ItemListSecondary");
 	SET_DRAG_FORWARDING_GCD(files, FileSystemDock);
 	files->connect("item_clicked", callable_mp(this, &FileSystemDock::_file_list_item_clicked));
 	files->connect(SceneStringName(gui_input), callable_mp(this, &FileSystemDock::_file_list_gui_input));
diff --git a/editor/gui/editor_file_dialog.cpp b/editor/gui/editor_file_dialog.cpp
index 0381609804..2e86bfb337 100644
--- a/editor/gui/editor_file_dialog.cpp
+++ b/editor/gui/editor_file_dialog.cpp
@@ -2317,6 +2317,7 @@ EditorFileDialog::EditorFileDialog() {
 	favorites->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
 	fav_vb->add_child(favorites);
 	favorites->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	favorites->set_theme_type_variation("ItemListSecondary");
 	favorites->connect(SceneStringName(item_selected), callable_mp(this, &EditorFileDialog::_favorite_selected));
 
 	VBoxContainer *rec_vb = memnew(VBoxContainer);
@@ -2326,6 +2327,7 @@ EditorFileDialog::EditorFileDialog() {
 	recent = memnew(ItemList);
 	recent->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
 	recent->set_allow_reselect(true);
+	recent->set_theme_type_variation("ItemListSecondary");
 	rec_vb->add_margin_child(TTR("Recent:"), recent, true);
 	recent->connect(SceneStringName(item_selected), callable_mp(this, &EditorFileDialog::_recent_selected));
 
diff --git a/editor/plugins/script_editor_plugin.cpp b/editor/plugins/script_editor_plugin.cpp
index 49ecbac751..a7c925f74f 100644
--- a/editor/plugins/script_editor_plugin.cpp
+++ b/editor/plugins/script_editor_plugin.cpp
@@ -4154,6 +4154,7 @@ ScriptEditor::ScriptEditor(WindowWrapper *p_wrapper) {
 	scripts_vbox->add_child(script_list);
 	script_list->set_custom_minimum_size(Size2(100, 60) * EDSCALE); //need to give a bit of limit to avoid it from disappearing
 	script_list->set_v_size_flags(SIZE_EXPAND_FILL);
+	script_list->set_theme_type_variation("ItemListSecondary");
 	script_split->set_split_offset(200 * EDSCALE);
 	_sort_list_on_update = true;
 	script_list->connect("item_clicked", callable_mp(this, &ScriptEditor::_script_list_clicked), CONNECT_DEFERRED);
@@ -4197,6 +4198,7 @@ ScriptEditor::ScriptEditor(WindowWrapper *p_wrapper) {
 
 	members_overview = memnew(ItemList);
 	members_overview->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
+	members_overview->set_theme_type_variation("ItemListSecondary");
 	overview_vbox->add_child(members_overview);
 
 	members_overview->set_allow_reselect(true);
@@ -4206,6 +4208,7 @@ ScriptEditor::ScriptEditor(WindowWrapper *p_wrapper) {
 
 	help_overview = memnew(ItemList);
 	help_overview->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
+	help_overview->set_theme_type_variation("ItemListSecondary");
 	overview_vbox->add_child(help_overview);
 	help_overview->set_allow_reselect(true);
 	help_overview->set_custom_minimum_size(Size2(0, 60) * EDSCALE); //need to give a bit of limit to avoid it from disappearing
diff --git a/editor/plugins/shader_editor_plugin.cpp b/editor/plugins/shader_editor_plugin.cpp
index 5166619f90..3c6d2e8844 100644
--- a/editor/plugins/shader_editor_plugin.cpp
+++ b/editor/plugins/shader_editor_plugin.cpp
@@ -821,6 +821,7 @@ ShaderEditorPlugin::ShaderEditorPlugin() {
 	shader_list = memnew(ItemList);
 	shader_list->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
 	shader_list->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	shader_list->set_theme_type_variation("ItemListSecondary");
 	left_panel->add_child(shader_list);
 	shader_list->connect(SceneStringName(item_selected), callable_mp(this, &ShaderEditorPlugin::_shader_selected));
 	shader_list->connect("item_clicked", callable_mp(this, &ShaderEditorPlugin::_shader_list_clicked));
diff --git a/editor/plugins/shader_file_editor_plugin.cpp b/editor/plugins/shader_file_editor_plugin.cpp
index d2fd9b1cc0..25a02d60ef 100644
--- a/editor/plugins/shader_file_editor_plugin.cpp
+++ b/editor/plugins/shader_file_editor_plugin.cpp
@@ -257,6 +257,7 @@ ShaderFileEditor::ShaderFileEditor() {
 	versions->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
 	versions->connect(SceneStringName(item_selected), callable_mp(this, &ShaderFileEditor::_version_selected));
 	versions->set_custom_minimum_size(Size2i(200 * EDSCALE, 0));
+	versions->set_theme_type_variation("TreeSecondary");
 	main_hs->add_child(versions);
 
 	VBoxContainer *main_vb = memnew(VBoxContainer);
diff --git a/editor/plugins/skeleton_3d_editor_plugin.cpp b/editor/plugins/skeleton_3d_editor_plugin.cpp
index 369a1fc864..1a7c42534a 100644
--- a/editor/plugins/skeleton_3d_editor_plugin.cpp
+++ b/editor/plugins/skeleton_3d_editor_plugin.cpp
@@ -1103,6 +1103,7 @@ void Skeleton3DEditor::create_editors() {
 	joint_tree->set_v_size_flags(SIZE_EXPAND_FILL);
 	joint_tree->set_h_size_flags(SIZE_EXPAND_FILL);
 	joint_tree->set_allow_rmb_select(true);
+	joint_tree->set_theme_type_variation("TreeSecondary");
 	SET_DRAG_FORWARDING_GCD(joint_tree, Skeleton3DEditor);
 	s_con->add_child(joint_tree);
 
diff --git a/editor/plugins/sprite_frames_editor_plugin.cpp b/editor/plugins/sprite_frames_editor_plugin.cpp
index f29ace1d15..968256d4c9 100644
--- a/editor/plugins/sprite_frames_editor_plugin.cpp
+++ b/editor/plugins/sprite_frames_editor_plugin.cpp
@@ -1956,6 +1956,7 @@ SpriteFramesEditor::SpriteFramesEditor() {
 	// HACK: The cell_selected signal is emitted before the FPS spinbox loses focus and applies the change.
 	animations->connect("cell_selected", callable_mp(this, &SpriteFramesEditor::_animation_selected), CONNECT_DEFERRED);
 	animations->connect("item_edited", callable_mp(this, &SpriteFramesEditor::_animation_name_edited));
+	animations->set_theme_type_variation("TreeSecondary");
 	animations->set_allow_reselect(true);
 
 	add_anim->set_shortcut_context(animations);
diff --git a/editor/plugins/theme_editor_plugin.cpp b/editor/plugins/theme_editor_plugin.cpp
index de75ed8c12..3ba3c196ad 100644
--- a/editor/plugins/theme_editor_plugin.cpp
+++ b/editor/plugins/theme_editor_plugin.cpp
@@ -938,6 +938,7 @@ ThemeItemImportTree::ThemeItemImportTree() {
 	import_items_tree->set_column_custom_minimum_width(IMPORT_ITEM_DATA, 80 * EDSCALE);
 	import_items_tree->set_column_clip_content(1, true);
 	import_items_tree->set_column_clip_content(2, true);
+	import_items_tree->set_theme_type_variation("TreeSecondary");
 
 	ScrollContainer *import_bulk_sc = memnew(ScrollContainer);
 	import_bulk_sc->set_custom_minimum_size(Size2(260.0, 0.0) * EDSCALE);
@@ -1937,6 +1938,7 @@ ThemeItemEditorDialog::ThemeItemEditorDialog(ThemeTypeEditor *p_theme_type_edito
 	edit_dialog_side_vb->add_child(edit_type_list);
 	edit_type_list->connect(SceneStringName(item_selected), callable_mp(this, &ThemeItemEditorDialog::_edited_type_selected));
 	edit_type_list->connect("button_clicked", callable_mp(this, &ThemeItemEditorDialog::_edited_type_button_pressed));
+	edit_type_list->set_theme_type_variation("TreeSecondary");
 
 	Label *edit_add_type_label = memnew(Label);
 	edit_add_type_label->set_text(TTR("Add Type:"));
diff --git a/editor/plugins/tiles/atlas_merging_dialog.cpp b/editor/plugins/tiles/atlas_merging_dialog.cpp
index e25005f996..0322957422 100644
--- a/editor/plugins/tiles/atlas_merging_dialog.cpp
+++ b/editor/plugins/tiles/atlas_merging_dialog.cpp
@@ -318,6 +318,7 @@ AtlasMergingDialog::AtlasMergingDialog() {
 	atlas_merging_atlases_list->set_texture_filter(CanvasItem::TEXTURE_FILTER_NEAREST_WITH_MIPMAPS);
 	atlas_merging_atlases_list->set_custom_minimum_size(Size2(100, 200));
 	atlas_merging_atlases_list->set_select_mode(ItemList::SELECT_MULTI);
+	atlas_merging_atlases_list->set_theme_type_variation("ItemListSecondary");
 	atlas_merging_atlases_list->connect("multi_selected", callable_mp(this, &AtlasMergingDialog::_update_texture).unbind(2));
 	atlas_merging_h_split_container->add_child(atlas_merging_atlases_list);
 
diff --git a/editor/plugins/tiles/tile_map_layer_editor.cpp b/editor/plugins/tiles/tile_map_layer_editor.cpp
index 16d4ee6f68..52e3784eb4 100644
--- a/editor/plugins/tiles/tile_map_layer_editor.cpp
+++ b/editor/plugins/tiles/tile_map_layer_editor.cpp
@@ -2415,6 +2415,7 @@ TileMapLayerEditorTilesPlugin::TileMapLayerEditorTilesPlugin() {
 	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->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));
@@ -3531,6 +3532,7 @@ TileMapLayerEditorTerrainsPlugin::TileMapLayerEditorTerrainsPlugin() {
 	terrains_tree->set_custom_minimum_size(Size2(70, 0) * EDSCALE);
 	terrains_tree->set_texture_filter(CanvasItem::TEXTURE_FILTER_NEAREST);
 	terrains_tree->set_hide_root(true);
+	terrains_tree->set_theme_type_variation("ItemListSecondary");
 	terrains_tree->connect(SceneStringName(item_selected), callable_mp(this, &TileMapLayerEditorTerrainsPlugin::_update_tiles_list));
 	tilemap_tab_terrains->add_child(terrains_tree);
 
diff --git a/editor/plugins/tiles/tile_set_editor.cpp b/editor/plugins/tiles/tile_set_editor.cpp
index 6f473d1b60..dd64e38370 100644
--- a/editor/plugins/tiles/tile_set_editor.cpp
+++ b/editor/plugins/tiles/tile_set_editor.cpp
@@ -861,6 +861,7 @@ TileSetEditor::TileSetEditor() {
 	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->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));
@@ -946,6 +947,7 @@ TileSetEditor::TileSetEditor() {
 	patterns_item_list->set_max_text_lines(2);
 	patterns_item_list->set_fixed_icon_size(Size2(thumbnail_size, thumbnail_size));
 	patterns_item_list->set_v_size_flags(Control::SIZE_EXPAND_FILL);
+	patterns_item_list->set_theme_type_variation("ItemListSecondary");
 	patterns_item_list->connect(SceneStringName(gui_input), callable_mp(this, &TileSetEditor::_patterns_item_list_gui_input));
 	main_vb->add_child(patterns_item_list);
 	patterns_item_list->hide();
diff --git a/editor/plugins/version_control_editor_plugin.cpp b/editor/plugins/version_control_editor_plugin.cpp
index 815664c608..3a3d25ba9f 100644
--- a/editor/plugins/version_control_editor_plugin.cpp
+++ b/editor/plugins/version_control_editor_plugin.cpp
@@ -1294,6 +1294,7 @@ VersionControlEditorPlugin::VersionControlEditorPlugin() {
 	commit_list->set_columns(2); // Commit msg, author
 	commit_list->set_column_custom_minimum_width(0, 40);
 	commit_list->set_column_custom_minimum_width(1, 20);
+	commit_list->set_theme_type_variation("TreeSecondary");
 	commit_list->connect(SceneStringName(item_selected), callable_mp(this, &VersionControlEditorPlugin::_load_diff).bind(commit_list));
 	version_commit_dock->add_child(commit_list);
 
diff --git a/editor/plugins/visual_shader_editor_plugin.cpp b/editor/plugins/visual_shader_editor_plugin.cpp
index 8249596045..55118b7ea7 100644
--- a/editor/plugins/visual_shader_editor_plugin.cpp
+++ b/editor/plugins/visual_shader_editor_plugin.cpp
@@ -6676,6 +6676,7 @@ VisualShaderEditor::VisualShaderEditor() {
 	parameters->set_h_size_flags(SIZE_EXPAND_FILL);
 	parameters->set_v_size_flags(SIZE_EXPAND_FILL);
 	parameters->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
+	parameters->set_theme_type_variation("TreeSecondary");
 	parameters->connect(SceneStringName(item_selected), callable_mp(this, &VisualShaderEditor::_param_selected));
 	parameters->connect("nothing_selected", callable_mp(this, &VisualShaderEditor::_param_unselected));
 	sc->add_child(parameters);
diff --git a/editor/themes/editor_theme_manager.cpp b/editor/themes/editor_theme_manager.cpp
index 32079f3753..617ad24299 100644
--- a/editor/themes/editor_theme_manager.cpp
+++ b/editor/themes/editor_theme_manager.cpp
@@ -2132,6 +2132,10 @@ void EditorThemeManager::_populate_editor_styles(const Ref<EditorTheme> &p_theme
 
 		// EditorValidationPanel.
 		p_theme->set_stylebox(SceneStringName(panel), "EditorValidationPanel", p_config.tree_panel_style);
+
+		// Secondary trees and item lists.
+		p_theme->set_type_variation("TreeSecondary", "Tree");
+		p_theme->set_type_variation("ItemListSecondary", "ItemList");
 	}
 
 	// Editor inspector.