Add header to the sidebar

editor/limbo_ai_editor_plugin.cpp

@@ -221,6 +221,8 @@ void LimboAIEditor::_load_bt(String p_path) {
 void LimboAIEditor::_disable_editing() {
 	task_tree->unload();
 	task_palette->hide();
+	task_tree->hide();
+	usage_hint->show();
 }
 
 void LimboAIEditor::edit_bt(Ref<BehaviorTree> p_behavior_tree, bool p_force_refresh) {
@@ -235,14 +237,9 @@ void LimboAIEditor::edit_bt(Ref<BehaviorTree> p_behavior_tree, bool p_force_refr
 	p_behavior_tree->notify_property_list_changed();
 #endif // LIMBOAI_MODULE
 
-	if (task_tree->get_bt().is_valid() &&
-			task_tree->get_bt()->is_connected(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true))) {
-		task_tree->get_bt()->disconnect(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true));
-	}
-
 	task_tree->load_bt(p_behavior_tree);
 
-	if (task_tree->get_bt().is_valid()) {
+	if (task_tree->get_bt().is_valid() && !task_tree->get_bt()->is_connected(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty))) {
 		task_tree->get_bt()->connect(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true));
 	}
 
@@ -959,6 +956,10 @@ void LimboAIEditor::_tab_clicked(int p_tab) {
 
 void LimboAIEditor::_tab_closed(int p_tab) {
 	ERR_FAIL_INDEX(p_tab, history.size());
+	Ref<BehaviorTree> history_bt = history[p_tab];
+	if (history_bt.is_valid() && history_bt->is_connected(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty))) {
+		history_bt->disconnect(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty));
+	}
 	history.remove_at(p_tab);
 	idx_history = MIN(idx_history, history.size() - 1);
 	if (idx_history < 0) {
@@ -1302,9 +1303,11 @@ void LimboAIEditor::_notification(int p_what) {
 			cf->set_value("bt_editor", "bteditor_hsplit", split_offset);
 			cf->save(conf_path);
 
-			if (task_tree->get_bt().is_valid() &&
-					task_tree->get_bt()->is_connected(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true))) {
-				task_tree->get_bt()->disconnect(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty).bind(true));
+			task_tree->unload();
+			for (int i = 0; i < history.size(); i++) {
+				if (history[i]->is_connected(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty))) {
+					history[i]->disconnect(LW_NAME(changed), callable_mp(this, &LimboAIEditor::_mark_as_dirty));
+				}
 			}
 		} break;
 		case NOTIFICATION_READY: {
@@ -1495,14 +1498,14 @@ LimboAIEditor::LimboAIEditor() {
 	misc_btn->set_flat(true);
 	toolbar->add_child(misc_btn);
 
-	HBoxContainer *toolbar_end_hbox = memnew(HBoxContainer);
-	toolbar_end_hbox->set_h_size_flags(SIZE_EXPAND | SIZE_SHRINK_END);
-	toolbar->add_child(toolbar_end_hbox);
+	HBoxContainer *version_hbox = memnew(HBoxContainer);
+	version_hbox->set_h_size_flags(SIZE_EXPAND | SIZE_SHRINK_END);
+	toolbar->add_child(version_hbox);
 
 	TextureRect *logo = memnew(TextureRect);
 	logo->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
 	logo->set_texture(LimboUtility::get_singleton()->get_task_icon("LimboAI"));
-	toolbar_end_hbox->add_child(logo);
+	version_hbox->add_child(logo);
 
 	version_btn = memnew(LinkButton);
 	version_btn->set_text(TTR("v") + String(GET_LIMBOAI_FULL_VERSION()));
@@ -1510,11 +1513,11 @@ LimboAIEditor::LimboAIEditor() {
 	version_btn->set_self_modulate(Color(1, 1, 1, 0.65));
 	version_btn->set_underline_mode(LinkButton::UNDERLINE_MODE_ON_HOVER);
 	version_btn->set_v_size_flags(SIZE_SHRINK_CENTER);
-	toolbar_end_hbox->add_child(version_btn);
+	version_hbox->add_child(version_btn);
 
 	Control *version_spacer = memnew(Control);
 	version_spacer->set_custom_minimum_size(Size2(2, 0) * EDSCALE);
-	toolbar_end_hbox->add_child(version_spacer);
+	version_hbox->add_child(version_spacer);
 
 	tab_bar_panel = memnew(PanelContainer);
 	vbox->add_child(tab_bar_panel);
@@ -1565,19 +1568,40 @@ LimboAIEditor::LimboAIEditor() {
 	task_palette = memnew(TaskPalette());
 	task_palette->hide();
 	hsc->add_child(task_palette);
+
 	editor_layout = (EditorLayout)(int)EDITOR_GET("limbo_ai/editor/layout");
 	if (editor_layout == EditorLayout::WIDESCREEN_OPTIMIZED) {
+		// * Alternative layout optimized for wide screen.
+		VBoxContainer *sidebar_vbox = memnew(VBoxContainer);
+		hsc->add_child(sidebar_vbox);
+		sidebar_vbox->set_v_size_flags(SIZE_EXPAND_FILL);
+
+		HBoxContainer *header_bar = memnew(HBoxContainer);
+		sidebar_vbox->add_child(header_bar);
+		Control *header_spacer = memnew(Control);
+		header_bar->add_child(header_spacer);
+		header_spacer->set_custom_minimum_size(Size2(6, 0) * EDSCALE);
+		TextureRect *header_logo = Object::cast_to<TextureRect>(logo->duplicate());
+		header_bar->add_child(header_logo);
+		Label *header_title = memnew(Label);
+		header_bar->add_child(header_title);
+		header_title->set_text(TTR("Behavior Tree Editor"));
+		header_title->set_v_size_flags(SIZE_SHRINK_CENTER);
+		header_title->set_theme_type_variation("HeaderMedium");
+
+		task_palette->reparent(sidebar_vbox);
+		task_palette->set_v_size_flags(SIZE_EXPAND_FILL);
+
 		VBoxContainer *editor_vbox = memnew(VBoxContainer);
 		hsc->add_child(editor_vbox);
 		toolbar->reparent(editor_vbox);
 		tab_bar_panel->reparent(editor_vbox);
 		task_tree->reparent(editor_vbox);
 		usage_hint->reparent(editor_vbox);
-		hsc->set_split_offset(300);
-	} else {
-		hsc->set_split_offset(-300);
 	}
 
+	hsc->set_split_offset((editor_layout == EditorLayout::CLASSIC ? -320 : 320) * EDSCALE);
+
 	change_type_popup = memnew(PopupPanel);
 	add_child(change_type_popup);
 	{