Re-add script button from b77200728e7f2b2dd446a9717c83a20c9aac0ce4

editor/scene_tree_dock.cpp

@@ -675,6 +675,7 @@ void SceneTreeDock::_notification(int p_what) {
 			}
 			button_add->set_icon(get_icon("Add", "EditorIcons"));
 			button_instance->set_icon(get_icon("Instance", "EditorIcons"));
+			button_create_script->set_icon(get_icon("Script", "EditorIcons"));
 
 			filter_icon->set_texture(get_icon("Zoom", "EditorIcons"));
 
@@ -1239,11 +1240,18 @@ void SceneTreeDock::_delete_confirm() {
 
 void SceneTreeDock::_selection_changed() {
 
-	if (EditorNode::get_singleton()->get_editor_selection()->get_selection().size() > 1) {
+	int selection_size = EditorNode::get_singleton()->get_editor_selection()->get_selection().size();
+	if (selection_size > 1) {
 		//automatically turn on multi-edit
 		_tool_selected(TOOL_MULTI_EDIT);
 	}
 
+	if (selection_size==1 && EditorNode::get_singleton()->get_editor_selection()->get_selection().front()->key()->get_script().is_null()) {
+		button_create_script->show();
+	} else {
+		button_create_script->hide();
+	}
+
 	//tool_buttons[TOOL_MULTI_EDIT]->set_disabled(EditorNode::get_singleton()->get_editor_selection()->get_selection().size()<2);
 }
 
@@ -1779,6 +1787,13 @@ SceneTreeDock::SceneTreeDock(EditorNode *p_editor, Node *p_scene_root, EditorSel
 	filter_icon->set_stretch_mode(TextureFrame::STRETCH_KEEP_CENTERED);
 	filter->connect("text_changed", this, "_filter_changed");
 
+	tb = memnew(ToolButton);
+	tb->connect("pressed", this, "_tool_selected", make_binds(TOOL_SCRIPT, false));
+	tb->set_tooltip(TTR("Create a new script for the selected node."));
+	tb->set_shortcut(ED_GET_SHORTCUT("scene_tree/add_script"));
+	filter_hbc->add_child(tb);
+	button_create_script=tb;
+
 	scene_tree = memnew(SceneTreeEditor(false, true, true));
 	vbc->add_child(scene_tree);
 	scene_tree->set_v_size_flags(SIZE_EXPAND | SIZE_FILL);

editor/scene_tree_dock.h

@@ -76,6 +76,7 @@ class SceneTreeDock : public VBoxContainer {
 
 	ToolButton *button_add;
 	ToolButton *button_instance;
+	ToolButton *button_create_script;
 
 	SceneTreeEditor *scene_tree;