[Scene] Add `SceneStringNames::panel`

editor/animation_track_editor.cpp

@@ -4850,7 +4850,7 @@ void AnimationTrackEditor::_notification(int p_what) {
 			imported_anim_warning->set_icon(get_editor_theme_icon(SNAME("NodeWarning")));
 			dummy_player_warning->set_icon(get_editor_theme_icon(SNAME("NodeWarning")));
 			inactive_player_warning->set_icon(get_editor_theme_icon(SNAME("NodeWarning")));
-			main_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			main_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			edit->get_popup()->set_item_icon(edit->get_popup()->get_item_index(EDIT_APPLY_RESET), get_editor_theme_icon(SNAME("Reload")));
 			auto_fit->set_icon(get_editor_theme_icon(SNAME("AnimationAutoFit")));
 			auto_fit_bezier->set_icon(get_editor_theme_icon(SNAME("AnimationAutoFitBezier")));

editor/debugger/editor_debugger_node.cpp

@@ -75,7 +75,7 @@ EditorDebuggerNode::EditorDebuggerNode() {
 
 	Ref<StyleBoxEmpty> empty;
 	empty.instantiate();
-	tabs->add_theme_style_override("panel", empty);
+	tabs->add_theme_style_override(SceneStringName(panel), empty);
 
 	auto_switch_remote_scene_tree = EDITOR_GET("debugger/auto_switch_to_remote_scene_tree");
 	_add_debugger();
@@ -123,7 +123,7 @@ ScriptEditorDebugger *EditorDebuggerNode::_add_debugger() {
 	if (tabs->get_tab_count() > 1) {
 		node->clear_style();
 		tabs->set_tabs_visible(true);
-		tabs->add_theme_style_override("panel", EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("DebuggerPanel"), EditorStringName(EditorStyles)));
+		tabs->add_theme_style_override(SceneStringName(panel), EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("DebuggerPanel"), EditorStringName(EditorStyles)));
 	}
 
 	if (!debugger_plugins.is_empty()) {
@@ -318,7 +318,7 @@ void EditorDebuggerNode::_notification(int p_what) {
 				add_theme_constant_override("margin_left", -EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("BottomPanelDebuggerOverride"), EditorStringName(EditorStyles))->get_margin(SIDE_LEFT));
 				add_theme_constant_override("margin_right", -EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("BottomPanelDebuggerOverride"), EditorStringName(EditorStyles))->get_margin(SIDE_RIGHT));
 
-				tabs->add_theme_style_override("panel", EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("DebuggerPanel"), EditorStringName(EditorStyles)));
+				tabs->add_theme_style_override(SceneStringName(panel), EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("DebuggerPanel"), EditorStringName(EditorStyles)));
 			}
 
 			remote_scene_tree->update_icon_max_width();

editor/debugger/script_editor_debugger.cpp

@@ -154,7 +154,7 @@ void ScriptEditorDebugger::update_tabs() {
 }
 
 void ScriptEditorDebugger::clear_style() {
-	tabs->remove_theme_style_override("panel");
+	tabs->remove_theme_style_override(SceneStringName(panel));
 }
 
 void ScriptEditorDebugger::save_node(ObjectID p_id, const String &p_file) {
@@ -857,7 +857,7 @@ void ScriptEditorDebugger::_notification(int p_what) {
 			[[fallthrough]];
 		}
 		case NOTIFICATION_THEME_CHANGED: {
-			tabs->add_theme_style_override("panel", get_theme_stylebox(SNAME("DebuggerPanel"), EditorStringName(EditorStyles)));
+			tabs->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("DebuggerPanel"), EditorStringName(EditorStyles)));
 
 			skip_breakpoints->set_icon(get_editor_theme_icon(skip_breakpoints_value ? SNAME("DebugSkipBreakpointsOn") : SNAME("DebugSkipBreakpointsOff")));
 			copy->set_icon(get_editor_theme_icon(SNAME("ActionCopy")));

editor/editor_audio_buses.cpp

@@ -107,7 +107,7 @@ void EditorAudioBus::_notification(int p_what) {
 
 			audio_value_preview_label->add_theme_color_override("font_color", get_theme_color(SNAME("font_color"), SNAME("TooltipLabel")));
 			audio_value_preview_label->add_theme_color_override("font_shadow_color", get_theme_color(SNAME("font_shadow_color"), SNAME("TooltipLabel")));
-			audio_value_preview_box->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("TooltipPanel")));
+			audio_value_preview_box->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("TooltipPanel")));
 
 			for (int i = 0; i < effect_options->get_item_count(); i++) {
 				String class_name = effect_options->get_item_metadata(i);
@@ -127,7 +127,7 @@ void EditorAudioBus::_notification(int p_what) {
 			} else if (has_focus()) {
 				draw_style_box(get_theme_stylebox(SNAME("focus"), SNAME("Button")), Rect2(Vector2(), get_size()));
 			} else {
-				draw_style_box(get_theme_stylebox(SNAME("panel"), SNAME("TabContainer")), Rect2(Vector2(), get_size()));
+				draw_style_box(get_theme_stylebox(SceneStringName(panel), SNAME("TabContainer")), Rect2(Vector2(), get_size()));
 			}
 
 			if (get_index() != 0 && hovering_drop) {
@@ -608,7 +608,7 @@ Variant EditorAudioBus::get_drag_data(const Point2 &p_point) {
 	Panel *p = memnew(Panel);
 	c->add_child(p);
 	p->set_modulate(Color(1, 1, 1, 0.7));
-	p->add_theme_style_override("panel", get_theme_stylebox(SNAME("focus"), SNAME("Button")));
+	p->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("focus"), SNAME("Button")));
 	p->set_size(get_size());
 	p->set_position(-p_point);
 	set_drag_preview(c);
@@ -1062,7 +1062,7 @@ void EditorAudioBuses::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_ENTER_TREE:
 		case NOTIFICATION_THEME_CHANGED: {
-			bus_scroll->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			bus_scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 		} break;
 
 		case NOTIFICATION_READY: {

editor/editor_inspector.cpp

@@ -517,9 +517,9 @@ void EditorProperty::_update_property_bg() {
 			add_theme_style_override("bg_selected", get_theme_stylebox("sub_inspector_property_bg" + itos(count_subinspectors), EditorStringName(EditorStyles)));
 			add_theme_style_override("bg", get_theme_stylebox("sub_inspector_property_bg" + itos(count_subinspectors), EditorStringName(EditorStyles)));
 			add_theme_color_override("property_color", get_theme_color(SNAME("sub_inspector_property_color"), EditorStringName(EditorStyles)));
-			bottom_editor->add_theme_style_override("panel", get_theme_stylebox("sub_inspector_bg" + itos(count_subinspectors), EditorStringName(EditorStyles)));
+			bottom_editor->add_theme_style_override(SceneStringName(panel), get_theme_stylebox("sub_inspector_bg" + itos(count_subinspectors), EditorStringName(EditorStyles)));
 		} else {
-			bottom_editor->add_theme_style_override("panel", get_theme_stylebox("sub_inspector_bg_no_border", EditorStringName(EditorStyles)));
+			bottom_editor->add_theme_style_override(SceneStringName(panel), get_theme_stylebox("sub_inspector_bg_no_border", EditorStringName(EditorStyles)));
 		}
 	} else {
 		remove_theme_style_override("bg_selected");
@@ -2174,7 +2174,7 @@ void EditorInspectorArray::_setup() {
 		ae.panel->connect(SceneStringName(focus_exited), callable_mp((CanvasItem *)ae.panel, &PanelContainer::queue_redraw));
 		ae.panel->connect(SceneStringName(draw), callable_mp(this, &EditorInspectorArray::_panel_draw).bind(i));
 		ae.panel->connect(SceneStringName(gui_input), callable_mp(this, &EditorInspectorArray::_panel_gui_input).bind(i));
-		ae.panel->add_theme_style_override(SNAME("panel"), i % 2 ? odd_style : even_style);
+		ae.panel->add_theme_style_override(SceneStringName(panel), i % 2 ? odd_style : even_style);
 		elements_vbox->add_child(ae.panel);
 
 		ae.margin = memnew(MarginContainer);
@@ -4053,7 +4053,7 @@ void EditorInspector::_notification(int p_what) {
 		case NOTIFICATION_READY: {
 			EditorFeatureProfileManager::get_singleton()->connect("current_feature_profile_changed", callable_mp(this, &EditorInspector::_feature_profile_changed));
 			set_process(is_visible_in_tree());
-			add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			if (!sub_inspector) {
 				get_tree()->connect("node_removed", callable_mp(this, &EditorInspector::_node_removed));
 			}
@@ -4120,7 +4120,7 @@ void EditorInspector::_notification(int p_what) {
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
 			bool needs_update = false;
 			if (EditorThemeManager::is_generated_theme_outdated() && !sub_inspector) {
-				add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+				add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			}
 
 			if (use_settings_name_style && EditorSettings::get_singleton()->check_changed_settings_in_group("interface/editor/localize_settings")) {

editor/editor_node.cpp

@@ -514,12 +514,12 @@ void EditorNode::_update_theme(bool p_skip_creation) {
 
 	// Update styles.
 	{
-		gui_base->add_theme_style_override("panel", theme->get_stylebox(SNAME("Background"), EditorStringName(EditorStyles)));
+		gui_base->add_theme_style_override(SceneStringName(panel), theme->get_stylebox(SNAME("Background"), EditorStringName(EditorStyles)));
 		main_vbox->set_anchors_and_offsets_preset(Control::PRESET_FULL_RECT, Control::PRESET_MODE_MINSIZE, theme->get_constant(SNAME("window_border_margin"), EditorStringName(Editor)));
 		main_vbox->add_theme_constant_override("separation", theme->get_constant(SNAME("top_bar_separation"), EditorStringName(Editor)));
 
-		scene_root_parent->add_theme_style_override("panel", theme->get_stylebox(SNAME("Content"), EditorStringName(EditorStyles)));
-		bottom_panel->add_theme_style_override("panel", theme->get_stylebox(SNAME("BottomPanel"), EditorStringName(EditorStyles)));
+		scene_root_parent->add_theme_style_override(SceneStringName(panel), theme->get_stylebox(SNAME("Content"), EditorStringName(EditorStyles)));
+		bottom_panel->add_theme_style_override(SceneStringName(panel), theme->get_stylebox(SNAME("BottomPanel"), EditorStringName(EditorStyles)));
 		distraction_free->set_icon(theme->get_icon(SNAME("DistractionFree"), EditorStringName(EditorIcons)));
 		distraction_free->add_theme_style_override(SceneStringName(pressed), theme->get_stylebox("normal", "FlatMenuButton"));
 
@@ -529,7 +529,7 @@ void EditorNode::_update_theme(bool p_skip_creation) {
 		help_menu->set_item_icon(help_menu->get_item_index(HELP_SUPPORT_GODOT_DEVELOPMENT), theme->get_icon(SNAME("Heart"), EditorStringName(EditorIcons)));
 
 		if (EditorDebuggerNode::get_singleton()->is_visible()) {
-			bottom_panel->add_theme_style_override("panel", theme->get_stylebox(SNAME("BottomPanelDebuggerOverride"), EditorStringName(EditorStyles)));
+			bottom_panel->add_theme_style_override(SceneStringName(panel), theme->get_stylebox(SNAME("BottomPanelDebuggerOverride"), EditorStringName(EditorStyles)));
 		}
 
 		for (int i = 0; i < main_editor_buttons.size(); i++) {
@@ -6792,7 +6792,7 @@ EditorNode::EditorNode() {
 
 	scene_root_parent = memnew(PanelContainer);
 	scene_root_parent->set_custom_minimum_size(Size2(0, 80) * EDSCALE);
-	scene_root_parent->add_theme_style_override("panel", theme->get_stylebox(SNAME("Content"), EditorStringName(EditorStyles)));
+	scene_root_parent->add_theme_style_override(SceneStringName(panel), theme->get_stylebox(SNAME("Content"), EditorStringName(EditorStyles)));
 	scene_root_parent->set_draw_behind_parent(true);
 	srt->add_child(scene_root_parent);
 	scene_root_parent->set_v_size_flags(Control::SIZE_EXPAND_FILL);

editor/editor_properties_array_dict.cpp

@@ -1005,7 +1005,7 @@ void EditorPropertyDictionary::update_property() {
 
 			add_panel = memnew(PanelContainer);
 			property_vbox->add_child(add_panel);
-			add_panel->add_theme_style_override(SNAME("panel"), get_theme_stylebox(SNAME("DictionaryAddItem")));
+			add_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("DictionaryAddItem")));
 			VBoxContainer *add_vbox = memnew(VBoxContainer);
 			add_panel->add_child(add_vbox);
 
@@ -1101,7 +1101,7 @@ void EditorPropertyDictionary::_notification(int p_what) {
 
 			if (button_add_item) {
 				button_add_item->set_icon(get_editor_theme_icon(SNAME("Add")));
-				add_panel->add_theme_style_override(SNAME("panel"), get_theme_stylebox(SNAME("DictionaryAddItem")));
+				add_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("DictionaryAddItem")));
 			}
 		} break;
 	}

editor/editor_resource_picker.cpp

@@ -811,7 +811,7 @@ void EditorResourcePicker::_notification(int p_what) {
 		} break;
 
 		case NOTIFICATION_DRAW: {
-			draw_style_box(get_theme_stylebox(SNAME("panel"), SNAME("Tree")), Rect2(Point2(), get_size()));
+			draw_style_box(get_theme_stylebox(SceneStringName(panel), SNAME("Tree")), Rect2(Point2(), get_size()));
 		} break;
 
 		case NOTIFICATION_DRAG_BEGIN: {

editor/editor_settings_dialog.cpp

@@ -211,7 +211,7 @@ void EditorSettingsDialog::_update_icons() {
 	shortcut_search_box->set_clear_button_enabled(true);
 
 	restart_close_button->set_icon(shortcuts->get_editor_theme_icon(SNAME("Close")));
-	restart_container->add_theme_style_override("panel", shortcuts->get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+	restart_container->add_theme_style_override(SceneStringName(panel), shortcuts->get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 	restart_icon->set_texture(shortcuts->get_editor_theme_icon(SNAME("StatusWarning")));
 	restart_label->add_theme_color_override("font_color", shortcuts->get_theme_color(SNAME("warning_color"), EditorStringName(Editor)));
 }

editor/filesystem_dock.cpp

@@ -646,7 +646,7 @@ void FileSystemDock::_notification(int p_what) {
 				button_hist_prev->set_icon(get_editor_theme_icon(SNAME("Back")));
 			}
 
-			overwrite_dialog_scroll->add_theme_style_override("panel", get_theme_stylebox("panel", "Tree"));
+			overwrite_dialog_scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), "Tree"));
 		} break;
 
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {

editor/gui/editor_bottom_panel.cpp

@@ -81,9 +81,9 @@ void EditorBottomPanel::_switch_to_item(bool p_visible, int p_idx) {
 		}
 		if (EditorDebuggerNode::get_singleton() == items[p_idx].control) {
 			// This is the debug panel which uses tabs, so the top section should be smaller.
-			add_theme_style_override("panel", get_theme_stylebox(SNAME("BottomPanelDebuggerOverride"), EditorStringName(EditorStyles)));
+			add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("BottomPanelDebuggerOverride"), EditorStringName(EditorStyles)));
 		} else {
-			add_theme_style_override("panel", get_theme_stylebox(SNAME("BottomPanel"), EditorStringName(EditorStyles)));
+			add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("BottomPanel"), EditorStringName(EditorStyles)));
 		}
 		center_split->set_dragger_visibility(SplitContainer::DRAGGER_VISIBLE);
 		center_split->set_collapsed(false);
@@ -92,7 +92,7 @@ void EditorBottomPanel::_switch_to_item(bool p_visible, int p_idx) {
 		}
 		expand_button->show();
 	} else {
-		add_theme_style_override("panel", get_theme_stylebox(SNAME("BottomPanel"), EditorStringName(EditorStyles)));
+		add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("BottomPanel"), EditorStringName(EditorStyles)));
 		items[p_idx].button->set_pressed_no_signal(false);
 		items[p_idx].control->set_visible(false);
 		center_split->set_dragger_visibility(SplitContainer::DRAGGER_HIDDEN);

editor/gui/editor_run_bar.cpp

@@ -56,11 +56,11 @@ void EditorRunBar::_notification(int p_what) {
 			stop_button->set_icon(get_editor_theme_icon(SNAME("Stop")));
 
 			if (is_movie_maker_enabled()) {
-				main_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("LaunchPadMovieMode"), EditorStringName(EditorStyles)));
-				write_movie_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("MovieWriterButtonPressed"), EditorStringName(EditorStyles)));
+				main_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("LaunchPadMovieMode"), EditorStringName(EditorStyles)));
+				write_movie_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("MovieWriterButtonPressed"), EditorStringName(EditorStyles)));
 			} else {
-				main_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("LaunchPadNormal"), EditorStringName(EditorStyles)));
-				write_movie_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("MovieWriterButtonNormal"), EditorStringName(EditorStyles)));
+				main_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("LaunchPadNormal"), EditorStringName(EditorStyles)));
+				write_movie_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("MovieWriterButtonNormal"), EditorStringName(EditorStyles)));
 			}
 
 			write_movie_button->set_icon(get_editor_theme_icon(SNAME("MainMovieWrite")));
@@ -112,11 +112,11 @@ void EditorRunBar::_update_play_buttons() {
 
 void EditorRunBar::_write_movie_toggled(bool p_enabled) {
 	if (p_enabled) {
-		add_theme_style_override("panel", get_theme_stylebox(SNAME("LaunchPadMovieMode"), EditorStringName(EditorStyles)));
-		write_movie_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("MovieWriterButtonPressed"), EditorStringName(EditorStyles)));
+		add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("LaunchPadMovieMode"), EditorStringName(EditorStyles)));
+		write_movie_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("MovieWriterButtonPressed"), EditorStringName(EditorStyles)));
 	} else {
-		add_theme_style_override("panel", get_theme_stylebox(SNAME("LaunchPadNormal"), EditorStringName(EditorStyles)));
-		write_movie_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("MovieWriterButtonNormal"), EditorStringName(EditorStyles)));
+		add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("LaunchPadNormal"), EditorStringName(EditorStyles)));
+		write_movie_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("MovieWriterButtonNormal"), EditorStringName(EditorStyles)));
 	}
 }
 

editor/gui/editor_scene_tabs.cpp

@@ -50,7 +50,7 @@ EditorSceneTabs *EditorSceneTabs::singleton = nullptr;
 void EditorSceneTabs::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_THEME_CHANGED: {
-			tabbar_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("tabbar_background"), SNAME("TabContainer")));
+			tabbar_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("tabbar_background"), SNAME("TabContainer")));
 			scene_tabs->add_theme_constant_override("icon_max_width", get_theme_constant(SNAME("class_icon_size"), EditorStringName(Editor)));
 
 			scene_tab_add->set_icon(get_editor_theme_icon(SNAME("Add")));

editor/gui/editor_toaster.cpp

@@ -348,13 +348,13 @@ Control *EditorToaster::popup(Control *p_control, Severity p_severity, double p_
 	panel->set_tooltip_text(p_tooltip);
 	switch (p_severity) {
 		case SEVERITY_INFO:
-			panel->add_theme_style_override("panel", info_panel_style_background);
+			panel->add_theme_style_override(SceneStringName(panel), info_panel_style_background);
 			break;
 		case SEVERITY_WARNING:
-			panel->add_theme_style_override("panel", warning_panel_style_background);
+			panel->add_theme_style_override(SceneStringName(panel), warning_panel_style_background);
 			break;
 		case SEVERITY_ERROR:
-			panel->add_theme_style_override("panel", error_panel_style_background);
+			panel->add_theme_style_override(SceneStringName(panel), error_panel_style_background);
 			break;
 		default:
 			break;
@@ -552,7 +552,7 @@ EditorToaster::EditorToaster() {
 	// Disable notification button.
 	disable_notifications_panel = memnew(PanelContainer);
 	disable_notifications_panel->set_as_top_level(true);
-	disable_notifications_panel->add_theme_style_override("panel", info_panel_style_background);
+	disable_notifications_panel->add_theme_style_override(SceneStringName(panel), info_panel_style_background);
 	add_child(disable_notifications_panel);
 
 	disable_notifications_button = memnew(Button);

editor/import/dynamic_font_import_settings.cpp

@@ -1515,8 +1515,8 @@ DynamicFontImportSettingsDialog::DynamicFontImportSettingsDialog() {
 	for (int i = 0; i < 16; i++) {
 		glyph_table->set_column_title(i + 1, String::num_int64(i, 16));
 	}
-	glyph_table->add_theme_style_override("selected", glyph_table->get_theme_stylebox(SNAME("panel")));
-	glyph_table->add_theme_style_override("selected_focus", glyph_table->get_theme_stylebox(SNAME("panel")));
+	glyph_table->add_theme_style_override("selected", glyph_table->get_theme_stylebox(SceneStringName(panel)));
+	glyph_table->add_theme_style_override("selected_focus", glyph_table->get_theme_stylebox(SceneStringName(panel)));
 	glyph_table->add_theme_constant_override("h_separation", 0);
 	glyph_table->set_h_size_flags(Control::SIZE_EXPAND_FILL);
 	glyph_table->set_v_size_flags(Control::SIZE_EXPAND_FILL);

editor/plugins/animation_blend_space_1d_editor.cpp

@@ -573,9 +573,9 @@ void AnimationNodeBlendSpace1DEditor::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_ENTER_TREE:
 		case NOTIFICATION_THEME_CHANGED: {
-			error_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			error_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			error_label->add_theme_color_override("font_color", get_theme_color(SNAME("error_color"), EditorStringName(Editor)));
-			panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			tool_blend->set_icon(get_editor_theme_icon(SNAME("EditPivot")));
 			tool_select->set_icon(get_editor_theme_icon(SNAME("ToolSelect")));
 			tool_create->set_icon(get_editor_theme_icon(SNAME("EditKey")));

editor/plugins/animation_blend_space_2d_editor.cpp

@@ -795,9 +795,9 @@ void AnimationNodeBlendSpace2DEditor::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_ENTER_TREE:
 		case NOTIFICATION_THEME_CHANGED: {
-			error_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			error_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			error_label->add_theme_color_override("font_color", get_theme_color(SNAME("error_color"), EditorStringName(Editor)));
-			panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			tool_blend->set_icon(get_editor_theme_icon(SNAME("EditPivot")));
 			tool_select->set_icon(get_editor_theme_icon(SNAME("ToolSelect")));
 			tool_create->set_icon(get_editor_theme_icon(SNAME("EditKey")));

editor/plugins/animation_blend_tree_editor_plugin.cpp

@@ -265,7 +265,7 @@ void AnimationNodeBlendTreeEditor::update_graph() {
 		}
 
 		// TODO: Avoid using strings, expose a method on GraphNode instead.
-		Ref<StyleBoxFlat> sb = node->get_theme_stylebox(SNAME("panel"));
+		Ref<StyleBoxFlat> sb = node->get_theme_stylebox(SceneStringName(panel));
 		Color c = sb->get_border_color();
 		Color mono_color = ((c.r + c.g + c.b) / 3) < 0.7 ? Color(1.0, 1.0, 1.0) : Color(0.0, 0.0, 0.0);
 		mono_color.a = 0.85;
@@ -942,7 +942,7 @@ void AnimationNodeBlendTreeEditor::_notification(int p_what) {
 		} break;
 
 		case NOTIFICATION_THEME_CHANGED: {
-			error_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			error_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			error_label->add_theme_color_override("font_color", get_theme_color(SNAME("error_color"), EditorStringName(Editor)));
 
 			if (is_visible_in_tree()) {

editor/plugins/animation_player_editor_plugin.cpp

@@ -129,12 +129,12 @@ void AnimationPlayerEditor::_notification(int p_what) {
 
 			get_tree()->connect(SNAME("node_removed"), callable_mp(this, &AnimationPlayerEditor::_node_removed));
 
-			add_theme_style_override("panel", EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("panel"), SNAME("Panel")));
+			add_theme_style_override(SceneStringName(panel), EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SceneStringName(panel), SNAME("Panel")));
 		} break;
 
 		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
 			if (EditorThemeManager::is_generated_theme_outdated()) {
-				add_theme_style_override("panel", EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("panel"), SNAME("Panel")));
+				add_theme_style_override(SceneStringName(panel), EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SceneStringName(panel), SNAME("Panel")));
 			}
 		} break;
 

editor/plugins/animation_state_machine_editor.cpp

@@ -1267,8 +1267,8 @@ void AnimationNodeStateMachineEditor::_update_graph() {
 void AnimationNodeStateMachineEditor::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_THEME_CHANGED: {
-			panel->add_theme_style_override("panel", theme_cache.panel_style);
-			error_panel->add_theme_style_override("panel", theme_cache.error_panel_style);
+			panel->add_theme_style_override(SceneStringName(panel), theme_cache.panel_style);
+			error_panel->add_theme_style_override(SceneStringName(panel), theme_cache.error_panel_style);
 			error_label->add_theme_color_override("font_color", theme_cache.error_color);
 
 			tool_select->set_icon(theme_cache.tool_icon_select);

editor/plugins/asset_library_editor_plugin.cpp

@@ -127,7 +127,7 @@ EditorAssetLibraryItem::EditorAssetLibraryItem(bool p_clickable) {
 	Ref<StyleBoxEmpty> border;
 	border.instantiate();
 	border->set_content_margin_all(5 * EDSCALE);
-	add_theme_style_override("panel", border);
+	add_theme_style_override(SceneStringName(panel), border);
 
 	HBoxContainer *hb = memnew(HBoxContainer);
 	// Add some spacing to visually separate the icon from the asset details.
@@ -240,7 +240,7 @@ void EditorAssetLibraryItemDescription::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_ENTER_TREE:
 		case NOTIFICATION_THEME_CHANGED: {
-			previews_bg->add_theme_style_override("panel", previews->get_theme_stylebox(CoreStringName(normal), SNAME("TextEdit")));
+			previews_bg->add_theme_style_override(SceneStringName(panel), previews->get_theme_stylebox(CoreStringName(normal), SNAME("TextEdit")));
 		} break;
 	}
 }
@@ -456,7 +456,7 @@ void EditorAssetLibraryItemDownload::configure(const String &p_title, int p_asse
 void EditorAssetLibraryItemDownload::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_THEME_CHANGED: {
-			panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("AssetLib")));
+			panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("AssetLib")));
 			status->add_theme_color_override("font_color", get_theme_color(SNAME("status_color"), SNAME("AssetLib")));
 			dismiss_button->set_texture_normal(get_theme_icon(SNAME("dismiss"), SNAME("AssetLib")));
 		} break;
@@ -631,7 +631,7 @@ EditorAssetLibraryItemDownload::EditorAssetLibraryItemDownload() {
 void EditorAssetLibrary::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_READY: {
-			add_theme_style_override("panel", get_theme_stylebox(SNAME("bg"), SNAME("AssetLib")));
+			add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("bg"), SNAME("AssetLib")));
 			error_label->move_to_front();
 		} break;
 
@@ -639,8 +639,8 @@ void EditorAssetLibrary::_notification(int p_what) {
 		case NOTIFICATION_THEME_CHANGED: {
 			error_tr->set_texture(get_editor_theme_icon(SNAME("Error")));
 			filter->set_right_icon(get_editor_theme_icon(SNAME("Search")));
-			library_scroll_bg->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
-			downloads_scroll->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			library_scroll_bg->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
+			downloads_scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 			error_label->add_theme_color_override("color", get_theme_color(SNAME("error_color"), EditorStringName(Editor)));
 		} break;
 
@@ -1698,7 +1698,7 @@ EditorAssetLibrary::EditorAssetLibrary(bool p_templates_only) {
 
 	PanelContainer *library_vb_border = memnew(PanelContainer);
 	library_scroll->add_child(library_vb_border);
-	library_vb_border->add_theme_style_override("panel", border2);
+	library_vb_border->add_theme_style_override(SceneStringName(panel), border2);
 	library_vb_border->set_h_size_flags(Control::SIZE_EXPAND_FILL);
 
 	library_vb = memnew(VBoxContainer);

editor/plugins/canvas_item_editor_plugin.cpp

@@ -3952,7 +3952,7 @@ void CanvasItemEditor::_update_editor_settings() {
 	key_auto_insert_button->add_theme_color_override("icon_pressed_color", key_auto_color.lerp(Color(1, 0, 0), 0.55));
 	animation_menu->set_icon(get_editor_theme_icon(SNAME("GuiTabMenuHl")));
 
-	context_toolbar_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("ContextualToolbar"), EditorStringName(EditorStyles)));
+	context_toolbar_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("ContextualToolbar"), EditorStringName(EditorStyles)));
 
 	panner->setup((ViewPanner::ControlScheme)EDITOR_GET("editors/panning/2d_editor_panning_scheme").operator int(), ED_GET_SHORTCUT("canvas_item_editor/pan_view"), bool(EDITOR_GET("editors/panning/simple_panning")));
 	panner->set_scroll_speed(EDITOR_GET("editors/panning/2d_editor_pan_speed"));

editor/plugins/control_editor_plugin.cpp

@@ -65,7 +65,7 @@ void ControlPositioningWarning::_update_warning() {
 		hint_label->set_text(TTR("Use anchors and the rectangle for positioning."));
 	}
 
-	bg_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("bg_group_note"), SNAME("EditorProperty")));
+	bg_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("bg_group_note"), SNAME("EditorProperty")));
 }
 
 void ControlPositioningWarning::_update_toggler() {

editor/plugins/curve_editor_plugin.cpp

@@ -788,7 +788,7 @@ void CurveEdit::_redraw() {
 	// Draw background.
 
 	Vector2 view_size = get_rect().size;
-	draw_style_box(get_theme_stylebox(SNAME("panel"), SNAME("Tree")), Rect2(Point2(), view_size));
+	draw_style_box(get_theme_stylebox(SceneStringName(panel), SNAME("Tree")), Rect2(Point2(), view_size));
 
 	// Draw snapping grid, then primary grid.
 	draw_set_transform_matrix(_world_to_view);

editor/plugins/node_3d_editor_plugin.cpp

@@ -3065,7 +3065,7 @@ void Node3DEditorViewport::_notification(int p_what) {
 
 			info_label->add_theme_style_override("normal", gui_base->get_theme_stylebox(SNAME("Information3dViewport"), EditorStringName(EditorStyles)));
 
-			frame_time_panel->add_theme_style_override("panel", gui_base->get_theme_stylebox(SNAME("Information3dViewport"), EditorStringName(EditorStyles)));
+			frame_time_panel->add_theme_style_override(SceneStringName(panel), gui_base->get_theme_stylebox(SNAME("Information3dViewport"), EditorStringName(EditorStyles)));
 			// Set a minimum width to prevent the width from changing all the time
 			// when numbers vary rapidly. This minimum width is set based on a
 			// GPU time of 999.99 ms in the current editor language.
@@ -7809,7 +7809,7 @@ void Node3DEditor::_update_theme() {
 	environ_sky_color->set_custom_minimum_size(Size2(0, get_theme_constant(SNAME("color_picker_button_height"), EditorStringName(Editor))));
 	environ_ground_color->set_custom_minimum_size(Size2(0, get_theme_constant(SNAME("color_picker_button_height"), EditorStringName(Editor))));
 
-	context_toolbar_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("ContextualToolbar"), EditorStringName(EditorStyles)));
+	context_toolbar_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("ContextualToolbar"), EditorStringName(EditorStyles)));
 }
 
 void Node3DEditor::_notification(int p_what) {

editor/plugins/polygon_2d_editor_plugin.cpp

@@ -113,8 +113,8 @@ void Polygon2DEditor::_notification(int p_what) {
 			[[fallthrough]];
 		}
 		case NOTIFICATION_THEME_CHANGED: {
-			uv_edit_draw->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
-			bone_scroll->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			uv_edit_draw->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
+			bone_scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 		} break;
 
 		case NOTIFICATION_VISIBILITY_CHANGED: {

editor/plugins/script_editor_plugin.cpp

@@ -1719,7 +1719,7 @@ void ScriptEditor::_notification(int p_what) {
 		case NOTIFICATION_TRANSLATION_CHANGED:
 		case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
 		case NOTIFICATION_THEME_CHANGED: {
-			tab_container->add_theme_style_override("panel", get_theme_stylebox(SNAME("ScriptEditor"), EditorStringName(EditorStyles)));
+			tab_container->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("ScriptEditor"), EditorStringName(EditorStyles)));
 
 			help_search->set_icon(get_editor_theme_icon(SNAME("HelpSearch")));
 			site_search->set_icon(get_editor_theme_icon(SNAME("ExternalLink")));
@@ -1748,7 +1748,7 @@ void ScriptEditor::_notification(int p_what) {
 
 		case NOTIFICATION_READY: {
 			// Can't set own styles in NOTIFICATION_THEME_CHANGED, so for now this will do.
-			add_theme_style_override("panel", get_theme_stylebox(SNAME("ScriptEditorPanel"), EditorStringName(EditorStyles)));
+			add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("ScriptEditorPanel"), EditorStringName(EditorStyles)));
 
 			get_tree()->connect("tree_changed", callable_mp(this, &ScriptEditor::_tree_changed));
 			InspectorDock::get_singleton()->connect("request_help", callable_mp(this, &ScriptEditor::_help_class_open));
@@ -4356,9 +4356,9 @@ void ScriptEditorPlugin::_save_last_editor(const String &p_editor) {
 void ScriptEditorPlugin::_window_visibility_changed(bool p_visible) {
 	_focus_another_editor();
 	if (p_visible) {
-		script_editor->add_theme_style_override("panel", script_editor->get_theme_stylebox("ScriptEditorPanelFloating", EditorStringName(EditorStyles)));
+		script_editor->add_theme_style_override(SceneStringName(panel), script_editor->get_theme_stylebox("ScriptEditorPanelFloating", EditorStringName(EditorStyles)));
 	} else {
-		script_editor->add_theme_style_override("panel", script_editor->get_theme_stylebox("ScriptEditorPanel", EditorStringName(EditorStyles)));
+		script_editor->add_theme_style_override(SceneStringName(panel), script_editor->get_theme_stylebox("ScriptEditorPanel", EditorStringName(EditorStyles)));
 	}
 }
 

editor/plugins/shader_editor_plugin.cpp

@@ -738,7 +738,7 @@ ShaderEditorPlugin::ShaderEditorPlugin() {
 	main_split->add_child(shader_tabs);
 	Ref<StyleBoxEmpty> empty;
 	empty.instantiate();
-	shader_tabs->add_theme_style_override("panel", empty);
+	shader_tabs->add_theme_style_override(SceneStringName(panel), empty);
 
 	button = EditorNode::get_bottom_panel()->add_item(TTR("Shader Editor"), window_wrapper, ED_SHORTCUT_AND_COMMAND("bottom_panels/toggle_shader_editor_bottom_panel", TTR("Toggle Shader Editor Bottom Panel"), KeyModifierMask::ALT | Key::S));
 

editor/plugins/sprite_frames_editor_plugin.cpp

@@ -587,7 +587,7 @@ void SpriteFramesEditor::_notification(int p_what) {
 			split_sheet_zoom_out->set_icon(get_editor_theme_icon(SNAME("ZoomLess")));
 			split_sheet_zoom_reset->set_icon(get_editor_theme_icon(SNAME("ZoomReset")));
 			split_sheet_zoom_in->set_icon(get_editor_theme_icon(SNAME("ZoomMore")));
-			split_sheet_scroll->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			split_sheet_scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 
 			_update_show_settings();
 		} break;

editor/plugins/text_shader_editor.cpp

@@ -1209,7 +1209,7 @@ TextShaderEditor::TextShaderEditor() {
 	hbc->add_child(edit_menu);
 	hbc->add_child(goto_menu);
 	hbc->add_child(help_menu);
-	hbc->add_theme_style_override("panel", EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("ScriptEditorPanel"), EditorStringName(EditorStyles)));
+	hbc->add_theme_style_override(SceneStringName(panel), EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("ScriptEditorPanel"), EditorStringName(EditorStyles)));
 
 	VSplitContainer *editor_box = memnew(VSplitContainer);
 	main_container->add_child(editor_box);

editor/plugins/texture_region_editor_plugin.cpp

@@ -842,8 +842,8 @@ void TextureRegionEditor::_notification(int p_what) {
 		} break;
 
 		case NOTIFICATION_THEME_CHANGED: {
-			texture_preview->add_theme_style_override("panel", get_theme_stylebox(SNAME("TextureRegionPreviewBG"), EditorStringName(EditorStyles)));
-			texture_overlay->add_theme_style_override("panel", get_theme_stylebox(SNAME("TextureRegionPreviewFG"), EditorStringName(EditorStyles)));
+			texture_preview->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("TextureRegionPreviewBG"), EditorStringName(EditorStyles)));
+			texture_overlay->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("TextureRegionPreviewFG"), EditorStringName(EditorStyles)));
 
 			zoom_out->set_icon(get_editor_theme_icon(SNAME("ZoomLess")));
 			zoom_reset->set_icon(get_editor_theme_icon(SNAME("ZoomReset")));

editor/plugins/theme_editor_plugin.cpp

@@ -3670,7 +3670,7 @@ void ThemeEditor::_notification(int p_what) {
 		case NOTIFICATION_THEME_CHANGED: {
 			preview_tabs->add_theme_style_override("tab_selected", get_theme_stylebox(SNAME("ThemeEditorPreviewFG"), EditorStringName(EditorStyles)));
 			preview_tabs->add_theme_style_override("tab_unselected", get_theme_stylebox(SNAME("ThemeEditorPreviewBG"), EditorStringName(EditorStyles)));
-			preview_tabs_content->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("TabContainerOdd")));
+			preview_tabs_content->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("TabContainerOdd")));
 
 			add_preview_button->set_icon(get_editor_theme_icon(SNAME("Add")));
 		} break;

editor/plugins/tiles/tile_set_editor.cpp

@@ -371,7 +371,7 @@ void TileSetEditor::_notification(int p_what) {
 			source_sort_button->set_icon(get_editor_theme_icon(SNAME("Sort")));
 			sources_advanced_menu_button->set_icon(get_editor_theme_icon(SNAME("GuiTabMenuHl")));
 			missing_texture_texture = get_editor_theme_icon(SNAME("TileSet"));
-			expanded_area->add_theme_style_override("panel", get_theme_stylebox("panel", "Tree"));
+			expanded_area->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), "Tree"));
 			_update_sources_list();
 		} break;
 

editor/plugins/visual_shader_editor_plugin.cpp

@@ -789,7 +789,7 @@ void VisualShaderGraphPlugin::add_node(VisualShader::Type p_type, int p_id, bool
 	}
 
 	// Set the minimum width of a node based on the preview size to avoid a resize when toggling the preview.
-	Ref<StyleBoxFlat> graph_node_stylebox = graph->get_theme_stylebox("panel", "GraphNode");
+	Ref<StyleBoxFlat> graph_node_stylebox = graph->get_theme_stylebox(SceneStringName(panel), "GraphNode");
 	int port_preview_size = EDITOR_GET("editors/visual_editors/visual_shader/port_preview_size");
 	if (!is_frame && !is_reroute) {
 		node->set_custom_minimum_size(Size2((Math::ceil(graph_node_stylebox->get_minimum_size().width) + port_preview_size) * EDSCALE, 0));
@@ -4929,7 +4929,7 @@ void VisualShaderEditor::_notification(int p_what) {
 				preview_text->add_comment_delimiter("/*", "*/", false);
 				preview_text->add_comment_delimiter("//", "", true);
 
-				error_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Panel")));
+				error_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Panel")));
 				error_label->begin_bulk_theme_override();
 				error_label->add_theme_font_override("font", get_theme_font(SNAME("status_source"), EditorStringName(EditorFonts)));
 				error_label->add_theme_font_size_override("font_size", get_theme_font_size(SNAME("status_source_size"), EditorStringName(EditorFonts)));

editor/progress_dialog.cpp

@@ -130,7 +130,7 @@ void ProgressDialog::_popup() {
 	Size2 ms = main->get_combined_minimum_size();
 	ms.width = MAX(500 * EDSCALE, ms.width);
 
-	Ref<StyleBox> style = main->get_theme_stylebox(SNAME("panel"), SNAME("PopupMenu"));
+	Ref<StyleBox> style = main->get_theme_stylebox(SceneStringName(panel), SNAME("PopupMenu"));
 	ms += style->get_minimum_size();
 
 	main->set_offset(SIDE_LEFT, style->get_margin(SIDE_LEFT));

editor/project_manager.cpp

@@ -220,8 +220,8 @@ void ProjectManager::_update_theme(bool p_skip_creation) {
 		root_container->add_theme_constant_override("margin_right", top_bar_separation);
 		main_vbox->add_theme_constant_override("separation", top_bar_separation);
 
-		background_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("Background"), EditorStringName(EditorStyles)));
-		main_view_container->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("TabContainer")));
+		background_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("Background"), EditorStringName(EditorStyles)));
+		main_view_container->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("TabContainer")));
 
 		title_bar_logo->set_icon(get_editor_theme_icon(SNAME("TitleBarLogo")));
 
@@ -231,7 +231,7 @@ void ProjectManager::_update_theme(bool p_skip_creation) {
 		// Project list.
 		{
 			loading_label->add_theme_font_override("font", get_theme_font(SNAME("bold"), EditorStringName(EditorFonts)));
-			project_list_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("project_list"), SNAME("ProjectManager")));
+			project_list_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("project_list"), SNAME("ProjectManager")));
 
 			empty_list_create_project->set_icon(get_editor_theme_icon(SNAME("Add")));
 			empty_list_import_project->set_icon(get_editor_theme_icon(SNAME("Load")));
@@ -273,7 +273,7 @@ void ProjectManager::_update_theme(bool p_skip_creation) {
 		// Asset library popup.
 		if (asset_library) {
 			// Removes extra border margins.
-			asset_library->add_theme_style_override("panel", memnew(StyleBoxEmpty));
+			asset_library->add_theme_style_override(SceneStringName(panel), memnew(StyleBoxEmpty));
 		}
 	}
 }

editor/project_manager/quick_settings_dialog.cpp

@@ -181,7 +181,7 @@ void QuickSettingsDialog::update_size_limits(const Size2 &p_max_popup_size) {
 void QuickSettingsDialog::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_THEME_CHANGED: {
-			settings_list_panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("Background"), EditorStringName(EditorStyles)));
+			settings_list_panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SNAME("Background"), EditorStringName(EditorStyles)));
 
 			restart_required_label->add_theme_color_override("font_color", get_theme_color(SNAME("warning_color"), EditorStringName(Editor)));
 			custom_theme_label->add_theme_color_override("font_color", get_theme_color(SNAME("font_placeholder_color"), EditorStringName(Editor)));

editor/project_settings_editor.cpp

@@ -587,7 +587,7 @@ void ProjectSettingsEditor::_update_theme() {
 	del_button->set_icon(get_editor_theme_icon(SNAME("Remove")));
 	search_box->set_right_icon(get_editor_theme_icon(SNAME("Search")));
 	restart_close_button->set_icon(get_editor_theme_icon(SNAME("Close")));
-	restart_container->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+	restart_container->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 	restart_icon->set_texture(get_editor_theme_icon(SNAME("StatusWarning")));
 	restart_label->add_theme_color_override("font_color", get_theme_color(SNAME("warning_color"), EditorStringName(Editor)));
 

editor/renames_map_3_to_4.cpp

@@ -1046,7 +1046,7 @@ const char *RenamesMap3To4::gdscript_properties_renames[][2] = {
 	// make sure to add it to the C# rename map too.
 
 	// Too common words, users may use these names for variables or in comments.
-	// { "bg", "panel" }, // Theme
+	// { "bg", SceneStringName(panel) }, // Theme
 	// { "alt", "alt_pressed" }, // InputEventWithModifiers
 	// { "command", "command_pressed" }, // InputEventWithModifiers
 	// { "control", "ctrl_pressed" }, // InputEventWithModifiers

editor/themes/editor_theme_manager.cpp

@@ -675,10 +675,10 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 	// Panels.
 	{
 		// Panel.
-		p_theme->set_stylebox("panel", "Panel", make_flat_stylebox(p_config.dark_color_1, 6, 4, 6, 4, p_config.corner_radius));
+		p_theme->set_stylebox(SceneStringName(panel), "Panel", make_flat_stylebox(p_config.dark_color_1, 6, 4, 6, 4, p_config.corner_radius));
 
 		// PanelContainer.
-		p_theme->set_stylebox("panel", "PanelContainer", p_config.panel_container_style);
+		p_theme->set_stylebox(SceneStringName(panel), "PanelContainer", p_config.panel_container_style);
 
 		// TooltipPanel & TooltipLabel.
 		{
@@ -693,11 +693,11 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 			style_tooltip->set_content_margin_all(p_config.base_margin * EDSCALE * 0.5);
 			style_tooltip->set_bg_color(p_config.dark_color_3 * Color(0.8, 0.8, 0.8, 0.9));
 			style_tooltip->set_border_width_all(0);
-			p_theme->set_stylebox("panel", "TooltipPanel", style_tooltip);
+			p_theme->set_stylebox(SceneStringName(panel), "TooltipPanel", style_tooltip);
 		}
 
 		// PopupPanel
-		p_theme->set_stylebox("panel", "PopupPanel", p_config.popup_style);
+		p_theme->set_stylebox(SceneStringName(panel), "PopupPanel", p_config.popup_style);
 	}
 
 	// Buttons.
@@ -926,7 +926,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 			p_theme->set_icon("updown", "Tree", p_theme->get_icon(SNAME("GuiTreeUpdown"), EditorStringName(EditorIcons)));
 			p_theme->set_icon("select_arrow", "Tree", p_theme->get_icon(SNAME("GuiDropdown"), EditorStringName(EditorIcons)));
 
-			p_theme->set_stylebox("panel", "Tree", p_config.tree_panel_style);
+			p_theme->set_stylebox(SceneStringName(panel), "Tree", p_config.tree_panel_style);
 			p_theme->set_stylebox("focus", "Tree", p_config.button_style_focus);
 			p_theme->set_stylebox("custom_button", "Tree", make_empty_stylebox());
 			p_theme->set_stylebox("custom_button_pressed", "Tree", make_empty_stylebox());
@@ -1029,7 +1029,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 			style_itemlist_hover->set_bg_color(p_config.highlight_color * Color(1, 1, 1, 0.3));
 			style_itemlist_hover->set_border_width_all(0);
 
-			p_theme->set_stylebox("panel", "ItemList", style_itemlist_bg);
+			p_theme->set_stylebox(SceneStringName(panel), "ItemList", style_itemlist_bg);
 			p_theme->set_stylebox("focus", "ItemList", p_config.button_style_focus);
 			p_theme->set_stylebox("cursor", "ItemList", style_itemlist_cursor);
 			p_theme->set_stylebox("cursor_unfocused", "ItemList", style_itemlist_cursor);
@@ -1100,7 +1100,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 		style_tabbar_background->set_corner_radius(CORNER_BOTTOM_LEFT, 0);
 		style_tabbar_background->set_corner_radius(CORNER_BOTTOM_RIGHT, 0);
 		p_theme->set_stylebox("tabbar_background", "TabContainer", style_tabbar_background);
-		p_theme->set_stylebox("panel", "TabContainer", p_config.content_panel_style);
+		p_theme->set_stylebox(SceneStringName(panel), "TabContainer", p_config.content_panel_style);
 
 		p_theme->set_stylebox("tab_selected", "TabContainer", style_tab_selected);
 		p_theme->set_stylebox("tab_hovered", "TabContainer", style_tab_hovered);
@@ -1274,7 +1274,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 		p_theme->set_font_size("title_font_size", "Window", p_theme->get_font_size(SNAME("title_size"), EditorStringName(EditorFonts)));
 
 		// AcceptDialog.
-		p_theme->set_stylebox("panel", "AcceptDialog", p_config.dialog_style);
+		p_theme->set_stylebox(SceneStringName(panel), "AcceptDialog", p_config.dialog_style);
 		p_theme->set_constant("buttons_separation", "AcceptDialog", 8 * EDSCALE);
 		// Make buttons with short texts such as "OK" easier to click/tap.
 		p_theme->set_constant("buttons_min_width", "AcceptDialog", p_config.dialogs_buttons_min_size.x * EDSCALE);
@@ -1294,7 +1294,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 		p_theme->set_color("file_disabled_color", "FileDialog", p_config.font_disabled_color);
 
 		// PopupDialog.
-		p_theme->set_stylebox("panel", "PopupDialog", p_config.popup_style);
+		p_theme->set_stylebox(SceneStringName(panel), "PopupDialog", p_config.popup_style);
 
 		// PopupMenu.
 		{
@@ -1310,7 +1310,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 			} else {
 				style_popup_menu->set_border_color(p_config.dark_color_2);
 			}
-			p_theme->set_stylebox("panel", "PopupMenu", style_popup_menu);
+			p_theme->set_stylebox(SceneStringName(panel), "PopupMenu", style_popup_menu);
 
 			Ref<StyleBoxFlat> style_menu_hover = p_config.button_style_hover->duplicate();
 			// Don't use rounded corners for hover highlights since the StyleBox touches the PopupMenu's edges.
@@ -1473,7 +1473,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 	{
 		// GraphEdit.
 
-		p_theme->set_stylebox("panel", "GraphEdit", p_config.tree_panel_style);
+		p_theme->set_stylebox(SceneStringName(panel), "GraphEdit", p_config.tree_panel_style);
 		p_theme->set_stylebox("menu_panel", "GraphEdit", make_flat_stylebox(p_config.dark_color_1 * Color(1, 1, 1, 0.6), 4, 2, 4, 2, 3));
 
 		float grid_base_brightness = p_config.dark_theme ? 1.0 : 0.0;
@@ -1513,7 +1513,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 			Ref<StyleBoxFlat> style_minimap_bg = make_flat_stylebox(p_config.dark_color_1, 0, 0, 0, 0);
 			style_minimap_bg->set_border_color(p_config.dark_color_3);
 			style_minimap_bg->set_border_width_all(1);
-			p_theme->set_stylebox("panel", "GraphEditMinimap", style_minimap_bg);
+			p_theme->set_stylebox(SceneStringName(panel), "GraphEditMinimap", style_minimap_bg);
 
 			Ref<StyleBoxFlat> style_minimap_camera;
 			Ref<StyleBoxFlat> style_minimap_node;
@@ -1590,7 +1590,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 
 			// GraphElement.
 
-			p_theme->set_stylebox("panel", "GraphElement", gn_panel_style);
+			p_theme->set_stylebox(SceneStringName(panel), "GraphElement", gn_panel_style);
 			p_theme->set_stylebox("panel_selected", "GraphElement", gn_panel_selected_style);
 			p_theme->set_stylebox("titlebar", "GraphElement", gn_titlebar_style);
 			p_theme->set_stylebox("titlebar_selected", "GraphElement", gn_titlebar_selected_style);
@@ -1602,7 +1602,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 
 			Ref<StyleBoxEmpty> gn_slot_style = make_empty_stylebox(12, 0, 12, 0);
 
-			p_theme->set_stylebox("panel", "GraphNode", gn_panel_style);
+			p_theme->set_stylebox(SceneStringName(panel), "GraphNode", gn_panel_style);
 			p_theme->set_stylebox("panel_selected", "GraphNode", gn_panel_selected_style);
 			p_theme->set_stylebox("titlebar", "GraphNode", gn_titlebar_style);
 			p_theme->set_stylebox("titlebar_selected", "GraphNode", gn_titlebar_selected_style);
@@ -1644,7 +1644,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 			Ref<StyleBoxFlat> graphframe_sb_selected = graphframe_sb->duplicate();
 			graphframe_sb_selected->set_border_color(gn_selected_border_color);
 
-			p_theme->set_stylebox("panel", "GraphFrame", graphframe_sb);
+			p_theme->set_stylebox(SceneStringName(panel), "GraphFrame", graphframe_sb);
 			p_theme->set_stylebox("panel_selected", "GraphFrame", graphframe_sb_selected);
 			p_theme->set_stylebox("titlebar", "GraphFrame", make_empty_stylebox(4, 4, 4, 4));
 			p_theme->set_stylebox("titlebar_selected", "GraphFrame", make_empty_stylebox(4, 4, 4, 4));
@@ -1669,7 +1669,7 @@ void EditorThemeManager::_populate_standard_styles(const Ref<EditorTheme> &p_the
 			Ref<StyleBox> vs_reroute_panel_style = make_empty_stylebox();
 			Ref<StyleBox> vs_reroute_titlebar_style = vs_reroute_panel_style->duplicate();
 			vs_reroute_titlebar_style->set_content_margin_all(16);
-			p_theme->set_stylebox("panel", "VSRerouteNode", vs_reroute_panel_style);
+			p_theme->set_stylebox(SceneStringName(panel), "VSRerouteNode", vs_reroute_panel_style);
 			p_theme->set_stylebox("panel_selected", "VSRerouteNode", vs_reroute_panel_style);
 			p_theme->set_stylebox("titlebar", "VSRerouteNode", vs_reroute_titlebar_style);
 			p_theme->set_stylebox("titlebar_selected", "VSRerouteNode", vs_reroute_titlebar_style);
@@ -1969,9 +1969,9 @@ void EditorThemeManager::_populate_editor_styles(const Ref<EditorTheme> &p_theme
 			Ref<StyleBoxFlat> style_complex_window = p_config.window_style->duplicate();
 			style_complex_window->set_bg_color(p_config.dark_color_2);
 			style_complex_window->set_border_color(p_config.dark_color_2);
-			p_theme->set_stylebox("panel", "EditorSettingsDialog", style_complex_window);
-			p_theme->set_stylebox("panel", "ProjectSettingsEditor", style_complex_window);
-			p_theme->set_stylebox("panel", "EditorAbout", style_complex_window);
+			p_theme->set_stylebox(SceneStringName(panel), "EditorSettingsDialog", style_complex_window);
+			p_theme->set_stylebox(SceneStringName(panel), "ProjectSettingsEditor", style_complex_window);
+			p_theme->set_stylebox(SceneStringName(panel), "EditorAbout", style_complex_window);
 		}
 
 		// InspectorActionButton.
@@ -2033,11 +2033,11 @@ void EditorThemeManager::_populate_editor_styles(const Ref<EditorTheme> &p_theme
 
 			Ref<StyleBoxFlat> style_content_panel_odd = p_config.content_panel_style->duplicate();
 			style_content_panel_odd->set_bg_color(p_config.disabled_bg_color);
-			p_theme->set_stylebox("panel", "TabContainerOdd", style_content_panel_odd);
+			p_theme->set_stylebox(SceneStringName(panel), "TabContainerOdd", style_content_panel_odd);
 		}
 
 		// EditorValidationPanel.
-		p_theme->set_stylebox("panel", "EditorValidationPanel", p_config.tree_panel_style);
+		p_theme->set_stylebox(SceneStringName(panel), "EditorValidationPanel", p_config.tree_panel_style);
 
 		// ControlEditor.
 		{
@@ -2051,7 +2051,7 @@ void EditorThemeManager::_populate_editor_styles(const Ref<EditorTheme> &p_theme
 			control_editor_popup_style->set_content_margin(SIDE_BOTTOM, p_config.base_margin * EDSCALE);
 			control_editor_popup_style->set_border_width_all(0);
 
-			p_theme->set_stylebox("panel", "ControlEditorPopupPanel", control_editor_popup_style);
+			p_theme->set_stylebox(SceneStringName(panel), "ControlEditorPopupPanel", control_editor_popup_style);
 		}
 	}
 
@@ -2247,7 +2247,7 @@ void EditorThemeManager::_populate_editor_styles(const Ref<EditorTheme> &p_theme
 
 	// Asset Library.
 	p_theme->set_stylebox("bg", "AssetLib", p_config.base_empty_style);
-	p_theme->set_stylebox("panel", "AssetLib", p_config.content_panel_style);
+	p_theme->set_stylebox(SceneStringName(panel), "AssetLib", p_config.content_panel_style);
 	p_theme->set_color("status_color", "AssetLib", Color(0.5, 0.5, 0.5)); // FIXME: Use a defined color instead.
 	p_theme->set_icon("dismiss", "AssetLib", p_theme->get_icon(SNAME("Close"), EditorStringName(EditorIcons)));
 
@@ -2261,7 +2261,7 @@ void EditorThemeManager::_populate_editor_styles(const Ref<EditorTheme> &p_theme
 		// FIXME: Introduce Theme::get_font_height() / Control::get_theme_font_height() / Window::get_theme_font_height().
 		const int offset_i1 = p_theme->get_font(SNAME("tab_selected"), SNAME("TabContainer"))->get_height(p_theme->get_font_size(SNAME("tab_selected"), SNAME("TabContainer")));
 		const int offset_i2 = p_theme->get_stylebox(SNAME("tab_selected"), SNAME("TabContainer"))->get_minimum_size().height;
-		const int offset_i3 = p_theme->get_stylebox(SNAME("panel"), SNAME("TabContainer"))->get_content_margin(SIDE_TOP);
+		const int offset_i3 = p_theme->get_stylebox(SceneStringName(panel), SNAME("TabContainer"))->get_content_margin(SIDE_TOP);
 		const int invisible_top_offset = offset_i1 + offset_i2 + offset_i3;
 
 		Ref<StyleBoxFlat> invisible_top_panel_style = p_config.content_panel_style->duplicate();
@@ -2308,7 +2308,7 @@ void EditorThemeManager::_populate_editor_styles(const Ref<EditorTheme> &p_theme
 
 		// StateMachine graph.
 		{
-			p_theme->set_stylebox("panel", "GraphStateMachine", p_config.tree_panel_style);
+			p_theme->set_stylebox(SceneStringName(panel), "GraphStateMachine", p_config.tree_panel_style);
 			p_theme->set_stylebox("error_panel", "GraphStateMachine", p_config.tree_panel_style);
 			p_theme->set_color("error_color", "GraphStateMachine", p_config.error_color);
 
@@ -2554,7 +2554,7 @@ void EditorThemeManager::_populate_visual_shader_styles(const Ref<EditorTheme> &
 		ed_settings->set_initial_value("editors/visual_editors/connection_colors/sampler_color", Color(1.0, 1.0, 0.0), true);
 
 		// Node category colors (used for the node headers)
-		Ref<StyleBoxFlat> gn_panel_style = p_theme->get_stylebox("panel", "GraphNode");
+		Ref<StyleBoxFlat> gn_panel_style = p_theme->get_stylebox(SceneStringName(panel), "GraphNode");
 		Color gn_bg_color = gn_panel_style->get_bg_color();
 		ed_settings->set_initial_value("editors/visual_editors/category_colors/output_color", gn_bg_color, true);
 		ed_settings->set_initial_value("editors/visual_editors/category_colors/color_color", gn_bg_color, true);

editor/window_wrapper.cpp

@@ -152,7 +152,7 @@ void WindowWrapper::_notification(int p_what) {
 			set_process_shortcut_input(true);
 		} break;
 		case NOTIFICATION_THEME_CHANGED: {
-			window_background->add_theme_style_override("panel", get_theme_stylebox("PanelForeground", EditorStringName(EditorStyles)));
+			window_background->add_theme_style_override(SceneStringName(panel), get_theme_stylebox("PanelForeground", EditorStringName(EditorStyles)));
 		} break;
 	}
 }
@@ -391,7 +391,7 @@ void ScreenSelect::_notification(int p_what) {
 		} break;
 		case NOTIFICATION_THEME_CHANGED: {
 			set_icon(get_editor_theme_icon("MakeFloating"));
-			popup_background->add_theme_style_override("panel", get_theme_stylebox("PanelForeground", EditorStringName(EditorStyles)));
+			popup_background->add_theme_style_override(SceneStringName(panel), get_theme_stylebox("PanelForeground", EditorStringName(EditorStyles)));
 
 			const real_t popup_height = real_t(get_theme_font_size("font_size")) * 2.0;
 			popup->set_min_size(Size2(0, popup_height * 3));

modules/multiplayer/editor/replication_editor.cpp

@@ -372,7 +372,7 @@ void ReplicationEditor::_notification(int p_what) {
 			[[fallthrough]];
 		}
 		case NOTIFICATION_ENTER_TREE: {
-			add_theme_style_override("panel", EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SNAME("panel"), SNAME("Panel")));
+			add_theme_style_override(SceneStringName(panel), EditorNode::get_singleton()->get_editor_theme()->get_stylebox(SceneStringName(panel), SNAME("Panel")));
 			add_pick_button->set_icon(get_theme_icon(SNAME("Add"), EditorStringName(EditorIcons)));
 			pin->set_icon(get_theme_icon(SNAME("Pin"), EditorStringName(EditorIcons)));
 		} break;

modules/openxr/editor/openxr_action_map_editor.cpp

@@ -59,7 +59,7 @@ void OpenXRActionMapEditor::_notification(int p_what) {
 			for (int i = 0; i < tabs->get_child_count(); i++) {
 				Control *tab = Object::cast_to<Control>(tabs->get_child(i));
 				if (tab) {
-					tab->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+					tab->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 				}
 			}
 		} break;
@@ -110,7 +110,7 @@ OpenXRInteractionProfileEditorBase *OpenXRActionMapEditor::_add_interaction_prof
 	// now add it in..
 	ERR_FAIL_NULL_V(new_profile_editor, nullptr);
 	tabs->add_child(new_profile_editor);
-	new_profile_editor->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+	new_profile_editor->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 	tabs->set_tab_button_icon(tabs->get_tab_count() - 1, get_theme_icon(SNAME("close"), SNAME("TabBar")));
 
 	return new_profile_editor;

modules/openxr/editor/openxr_action_set_editor.cpp

@@ -63,7 +63,7 @@ void OpenXRActionSetEditor::_notification(int p_what) {
 		case NOTIFICATION_ENTER_TREE:
 		case NOTIFICATION_THEME_CHANGED: {
 			_theme_changed();
-			panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("TabContainer")));
+			panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("TabContainer")));
 		} break;
 	}
 }

modules/openxr/editor/openxr_interaction_profile_editor.cpp

@@ -285,7 +285,7 @@ void OpenXRInteractionProfileEditor::_update_interaction_profile() {
 		PanelContainer *panel = memnew(PanelContainer);
 		panel->set_v_size_flags(Control::SIZE_EXPAND_FILL);
 		main_hb->add_child(panel);
-		panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("TabContainer")));
+		panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("TabContainer")));
 
 		VBoxContainer *container = memnew(VBoxContainer);
 		panel->add_child(container);
@@ -310,7 +310,7 @@ void OpenXRInteractionProfileEditor::_theme_changed() {
 	for (int i = 0; i < main_hb->get_child_count(); i++) {
 		Control *panel = Object::cast_to<Control>(main_hb->get_child(i));
 		if (panel) {
-			panel->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("TabContainer")));
+			panel->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("TabContainer")));
 		}
 	}
 }

modules/openxr/editor/openxr_select_action_dialog.cpp

@@ -38,7 +38,7 @@ void OpenXRSelectActionDialog::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_ENTER_TREE:
 		case NOTIFICATION_THEME_CHANGED: {
-			scroll->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 		} break;
 	}
 }

modules/openxr/editor/openxr_select_interaction_profile_dialog.cpp

@@ -38,7 +38,7 @@ void OpenXRSelectInteractionProfileDialog::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_ENTER_TREE:
 		case NOTIFICATION_THEME_CHANGED: {
-			scroll->add_theme_style_override("panel", get_theme_stylebox(SNAME("panel"), SNAME("Tree")));
+			scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
 		} break;
 	}
 }

scene/gui/color_picker.cpp

@@ -1560,7 +1560,7 @@ void ColorPicker::_pick_button_pressed_legacy() {
 
 		picker_preview_style_box = (Ref<StyleBoxFlat>)memnew(StyleBoxFlat);
 		picker_preview_style_box->set_bg_color(Color(1.0, 1.0, 1.0));
-		picker_preview->add_theme_style_override("panel", picker_preview_style_box);
+		picker_preview->add_theme_style_override(SceneStringName(panel), picker_preview_style_box);
 	}
 
 	Rect2i screen_rect;

scene/gui/dialogs.cpp

@@ -88,7 +88,7 @@ void AcceptDialog::_notification(int p_what) {
 		} break;
 
 		case NOTIFICATION_THEME_CHANGED: {
-			bg_panel->add_theme_style_override("panel", theme_cache.panel_style);
+			bg_panel->add_theme_style_override(SceneStringName(panel), theme_cache.panel_style);
 
 			child_controls_changed();
 			if (is_visible()) {

scene/gui/graph_edit.cpp

@@ -717,7 +717,7 @@ void GraphEdit::_notification(int p_what) {
 
 			zoom_label->set_custom_minimum_size(Size2(48, 0) * theme_cache.base_scale);
 
-			menu_panel->add_theme_style_override("panel", theme_cache.menu_panel);
+			menu_panel->add_theme_style_override(SceneStringName(panel), theme_cache.menu_panel);
 		} break;
 		case NOTIFICATION_READY: {
 			Size2 hmin = h_scrollbar->get_combined_minimum_size();
@@ -1536,7 +1536,7 @@ void GraphEdit::_minimap_draw() {
 		Ref<StyleBoxFlat> sb_minimap = minimap->theme_cache.node_style->duplicate();
 
 		// Override default values with colors provided by the GraphNode's stylebox, if possible.
-		Ref<StyleBoxFlat> sb_frame = graph_frame->get_theme_stylebox(graph_frame->is_selected() ? SNAME("panel_selected") : SNAME("panel"));
+		Ref<StyleBoxFlat> sb_frame = graph_frame->get_theme_stylebox(graph_frame->is_selected() ? SNAME("panel_selected") : SceneStringName(panel));
 		if (sb_frame.is_valid()) {
 			Color node_color = sb_frame->get_bg_color();
 			if (graph_frame->is_tint_color_enabled()) {

scene/gui/popup.cpp

@@ -271,7 +271,7 @@ void PopupPanel::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_READY:
 		case NOTIFICATION_THEME_CHANGED: {
-			panel->add_theme_style_override("panel", theme_cache.panel_style);
+			panel->add_theme_style_override(SceneStringName(panel), theme_cache.panel_style);
 			_update_child_rects();
 		} break;
 

scene/gui/popup_menu.cpp

@@ -1026,7 +1026,7 @@ void PopupMenu::_notification(int p_what) {
 		} break;
 
 		case NOTIFICATION_THEME_CHANGED: {
-			scroll_container->add_theme_style_override("panel", theme_cache.panel_style);
+			scroll_container->add_theme_style_override(SceneStringName(panel), theme_cache.panel_style);
 
 			[[fallthrough]];
 		}

scene/scene_string_names.cpp

@@ -129,4 +129,6 @@ SceneStringNames::SceneStringNames() {
 
 	pressed = StaticCString::create("pressed");
 	id_pressed = StaticCString::create("id_pressed");
+
+	panel = StaticCString::create("panel");
 }

scene/scene_string_names.h

@@ -142,6 +142,8 @@ public:
 
 	StringName pressed;
 	StringName id_pressed;
+
+	StringName panel;
 };
 
 #define SceneStringName(m_name) SceneStringNames::get_singleton()->m_name

scene/theme/default_theme.cpp

@@ -147,7 +147,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	}
 
 	// Panel
-	theme->set_stylebox("panel", "Panel", make_flat_stylebox(style_normal_color, 0, 0, 0, 0));
+	theme->set_stylebox(SceneStringName(panel), "Panel", make_flat_stylebox(style_normal_color, 0, 0, 0, 0));
 
 	// Button
 
@@ -617,7 +617,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 
 	Ref<StyleBoxEmpty> empty;
 	empty.instantiate();
-	theme->set_stylebox("panel", "ScrollContainer", empty);
+	theme->set_stylebox(SceneStringName(panel), "ScrollContainer", empty);
 
 	// Window
 
@@ -640,7 +640,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	// Dialogs
 
 	// AcceptDialog is currently the base dialog, so this defines styles for all extending nodes.
-	theme->set_stylebox("panel", "AcceptDialog", make_flat_stylebox(style_popup_color, Math::round(8 * scale), Math::round(8 * scale), Math::round(8 * scale), Math::round(8 * scale), 0));
+	theme->set_stylebox(SceneStringName(panel), "AcceptDialog", make_flat_stylebox(style_popup_color, Math::round(8 * scale), Math::round(8 * scale), Math::round(8 * scale), Math::round(8 * scale), 0));
 	theme->set_constant("buttons_separation", "AcceptDialog", Math::round(10 * scale));
 
 	// File Dialog
@@ -659,11 +659,11 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 
 	// Popup
 
-	theme->set_stylebox("panel", "PopupPanel", make_flat_stylebox(style_normal_color));
+	theme->set_stylebox(SceneStringName(panel), "PopupPanel", make_flat_stylebox(style_normal_color));
 
 	// PopupDialog
 
-	theme->set_stylebox("panel", "PopupDialog", make_flat_stylebox(style_normal_color));
+	theme->set_stylebox(SceneStringName(panel), "PopupDialog", make_flat_stylebox(style_normal_color));
 
 	// PopupMenu
 
@@ -680,7 +680,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	style_popup_panel->set_border_width_all(2);
 	style_popup_panel->set_border_color(style_popup_border_color);
 
-	theme->set_stylebox("panel", "PopupMenu", style_popup_panel);
+	theme->set_stylebox(SceneStringName(panel), "PopupMenu", style_popup_panel);
 	theme->set_stylebox("hover", "PopupMenu", make_flat_stylebox(style_popup_hover_color));
 	theme->set_stylebox("separator", "PopupMenu", separator_horizontal);
 	theme->set_stylebox("labeled_separator_left", "PopupMenu", separator_horizontal);
@@ -731,7 +731,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	graphn_sb_titlebar_selected->set_bg_color(Color(1.0, 0.625, 0.625, 0.6));
 	Ref<StyleBoxEmpty> graphnode_slot = make_empty_stylebox(0, 0, 0, 0);
 
-	theme->set_stylebox("panel", "GraphNode", graphnode_normal);
+	theme->set_stylebox(SceneStringName(panel), "GraphNode", graphnode_normal);
 	theme->set_stylebox("panel_selected", "GraphNode", graphnode_selected);
 	theme->set_stylebox("titlebar", "GraphNode", graphn_sb_titlebar);
 	theme->set_stylebox("titlebar_selected", "GraphNode", graphn_sb_titlebar_selected);
@@ -766,7 +766,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	Ref<StyleBoxFlat> graphframe_sb_selected = graphframe_sb->duplicate();
 	graphframe_sb_selected->set_border_color(style_hover_color);
 
-	theme->set_stylebox("panel", "GraphFrame", graphframe_sb);
+	theme->set_stylebox(SceneStringName(panel), "GraphFrame", graphframe_sb);
 	theme->set_stylebox("panel_selected", "GraphFrame", graphframe_sb_selected);
 	theme->set_stylebox("titlebar", "GraphFrame", make_empty_stylebox(4, 4, 4, 4));
 	theme->set_stylebox("titlebar_selected", "GraphFrame", make_empty_stylebox(4, 4, 4, 4));
@@ -790,7 +790,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 
 	// Tree
 
-	theme->set_stylebox("panel", "Tree", make_flat_stylebox(style_normal_color, 4, 4, 4, 5));
+	theme->set_stylebox(SceneStringName(panel), "Tree", make_flat_stylebox(style_normal_color, 4, 4, 4, 5));
 	theme->set_stylebox("focus", "Tree", focus);
 	theme->set_stylebox("selected", "Tree", make_flat_stylebox(style_selected_color));
 	theme->set_stylebox("selected_focus", "Tree", make_flat_stylebox(style_selected_color));
@@ -860,7 +860,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 
 	// ItemList
 
-	theme->set_stylebox("panel", "ItemList", make_flat_stylebox(style_normal_color));
+	theme->set_stylebox(SceneStringName(panel), "ItemList", make_flat_stylebox(style_normal_color));
 	theme->set_stylebox("focus", "ItemList", focus);
 	theme->set_constant("h_separation", "ItemList", Math::round(4 * scale));
 	theme->set_constant("v_separation", "ItemList", Math::round(4 * scale));
@@ -904,7 +904,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	theme->set_stylebox("tab_unselected", "TabContainer", style_tab_unselected);
 	theme->set_stylebox("tab_disabled", "TabContainer", style_tab_disabled);
 	theme->set_stylebox("tab_focus", "TabContainer", style_tab_focus);
-	theme->set_stylebox("panel", "TabContainer", make_flat_stylebox(style_normal_color, 0, 0, 0, 0));
+	theme->set_stylebox(SceneStringName(panel), "TabContainer", make_flat_stylebox(style_normal_color, 0, 0, 0, 0));
 	theme->set_stylebox("tabbar_background", "TabContainer", make_empty_stylebox(0, 0, 0, 0));
 
 	theme->set_icon("increment", "TabContainer", icons["scroll_button_right"]);
@@ -1083,7 +1083,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	// TooltipPanel + TooltipLabel
 
 	theme->set_type_variation("TooltipPanel", "PopupPanel");
-	theme->set_stylebox("panel", "TooltipPanel",
+	theme->set_stylebox(SceneStringName(panel), "TooltipPanel",
 			make_flat_stylebox(Color(0, 0, 0, 0.5), 2 * default_margin, 0.5 * default_margin, 2 * default_margin, 0.5 * default_margin));
 
 	theme->set_type_variation("TooltipLabel", "Label");
@@ -1171,7 +1171,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	theme->set_constant("h_separation", "VFlowContainer", Math::round(4 * scale));
 	theme->set_constant("v_separation", "VFlowContainer", Math::round(4 * scale));
 
-	theme->set_stylebox("panel", "PanelContainer", make_flat_stylebox(style_normal_color, 0, 0, 0, 0));
+	theme->set_stylebox(SceneStringName(panel), "PanelContainer", make_flat_stylebox(style_normal_color, 0, 0, 0, 0));
 
 	theme->set_icon("zoom_out", "GraphEdit", icons["zoom_less"]);
 	theme->set_icon("zoom_in", "GraphEdit", icons["zoom_more"]);
@@ -1181,7 +1181,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	theme->set_icon("snapping_toggle", "GraphEdit", icons["grid_snap"]);
 	theme->set_icon("layout", "GraphEdit", icons["grid_layout"]);
 
-	theme->set_stylebox("panel", "GraphEdit", make_flat_stylebox(style_normal_color, 4, 4, 4, 5));
+	theme->set_stylebox(SceneStringName(panel), "GraphEdit", make_flat_stylebox(style_normal_color, 4, 4, 4, 5));
 
 	Ref<StyleBoxFlat> graph_toolbar_style = make_flat_stylebox(Color(0.24, 0.24, 0.24, 0.6), 4, 2, 4, 2);
 	theme->set_stylebox("menu_panel", "GraphEdit", graph_toolbar_style);
@@ -1200,7 +1200,7 @@ void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const
 	theme->set_constant("port_hotzone_inner_extent", "GraphEdit", 22 * scale);
 	theme->set_constant("port_hotzone_outer_extent", "GraphEdit", 26 * scale);
 
-	theme->set_stylebox("panel", "GraphEditMinimap", make_flat_stylebox(Color(0.24, 0.24, 0.24), 0, 0, 0, 0));
+	theme->set_stylebox(SceneStringName(panel), "GraphEditMinimap", make_flat_stylebox(Color(0.24, 0.24, 0.24), 0, 0, 0, 0));
 	Ref<StyleBoxFlat> style_minimap_camera = make_flat_stylebox(Color(0.65, 0.65, 0.65, 0.2), 0, 0, 0, 0, 0);
 	style_minimap_camera->set_border_color(Color(0.65, 0.65, 0.65, 0.45));
 	style_minimap_camera->set_border_width_all(1);