Added an help menu

Also renamed the "tutorials" button in the script editor to be consistent with the help menu entry.
Fixed #8921

editor/editor_help.cpp

@@ -371,10 +371,12 @@ void EditorHelpIndex::_tree_item_selected() {
 
 void EditorHelpIndex::select_class(const String &p_class) {
 
+	EditorNode *editor = EditorNode::get_singleton();
 	if (!tree_item_map.has(p_class))
 		return;
 	tree_item_map[p_class]->select(0);
 	class_list->ensure_cursor_is_visible();
+	editor->call("_editor_select", EditorNode::EDITOR_SCRIPT); // in case EditorHelpIndex beeen invoked on top of other editor window
 }
 
 void EditorHelpIndex::popup() {

editor/editor_node.cpp

@@ -2561,8 +2561,25 @@ void EditorNode::_menu_option_confirm(int p_option, bool p_confirmed) {
 			file->popup_centered_ratio();
 
 		} break;
-		case SETTINGS_ABOUT: {
-
+		case HELP_CLASSES: {
+			emit_signal("request_help_index", "");
+		} break;
+		case HELP_SEARCH: {
+			emit_signal("request_help_search", "");
+		} break;
+		case HELP_DOCS: {
+			OS::get_singleton()->shell_open("http://docs.godotengine.org/");
+		} break;
+		case HELP_QA: {
+			OS::get_singleton()->shell_open("https://godotengine.org/qa/");
+		} break;
+		case HELP_ISSUES: {
+			OS::get_singleton()->shell_open("https://github.com/godotengine/godot/issues");
+		} break;
+		case HELP_COMMUNITY: {
+			OS::get_singleton()->shell_open("https://godotengine.org/community");
+		} break;
+		case HELP_ABOUT: {
 			about->popup_centered_minsize(Size2(500, 130) * EDSCALE);
 		} break;
 		case SOURCES_REIMPORT: {
@@ -4823,6 +4840,7 @@ void EditorNode::_bind_methods() {
 	ADD_SIGNAL(MethodInfo("stop_pressed"));
 	ADD_SIGNAL(MethodInfo("request_help"));
 	ADD_SIGNAL(MethodInfo("request_help_search"));
+	ADD_SIGNAL(MethodInfo("request_help_index"));
 	ADD_SIGNAL(MethodInfo("script_add_function_request", PropertyInfo(Variant::OBJECT, "obj"), PropertyInfo(Variant::STRING, "function"), PropertyInfo(Variant::POOL_STRING_ARRAY, "args")));
 	ADD_SIGNAL(MethodInfo("resource_saved", PropertyInfo(Variant::OBJECT, "obj")));
 }
@@ -5355,7 +5373,6 @@ EditorNode::EditorNode() {
 	left_menu_hb->add_child(settings_menu);
 	settings_menu->set_text(TTR("Editor"));
 	settings_menu->add_style_override("hover", gui_base->get_stylebox("MenuHover", "EditorStyles"));
-	settings_menu->add_style_override("hover", gui_base->get_stylebox("MenuHover", "EditorStyles"));
 	//settings_menu->set_anchor(MARGIN_RIGHT,ANCHOR_END);
 	p = settings_menu->get_popup();
 
@@ -5368,13 +5385,26 @@ EditorNode::EditorNode() {
 	p->add_child(editor_layouts);
 	editor_layouts->connect("id_pressed", this, "_layout_menu_option");
 	p->add_submenu_item(TTR("Editor Layout"), "Layouts");
-
 	p->add_shortcut(ED_SHORTCUT("editor/fullscreen_mode", TTR("Toggle Fullscreen"), KEY_MASK_SHIFT | KEY_F11), SETTINGS_TOGGLE_FULLSCREN);
-
 	p->add_separator();
 	p->add_item(TTR("Manage Export Templates"), SETTINGS_MANAGE_EXPORT_TEMPLATES);
+
+	// Help Menu
+	MenuButton *help_menu = memnew(MenuButton);
+	left_menu_hb->add_child(help_menu);
+	help_menu->set_text(TTR("Help"));
+	help_menu->add_style_override("hover", gui_base->get_stylebox("MenuHover", "EditorStyles"));
+	p = help_menu->get_popup();
+	p->connect("id_pressed", this, "_menu_option");
+	p->add_icon_item(gui_base->get_icon("ClassList", "EditorIcons"), TTR("Classes"), HELP_CLASSES);
+	p->add_icon_item(gui_base->get_icon("Help", "EditorIcons"), TTR("Search"), HELP_SEARCH);
+	p->add_separator();
+	p->add_icon_item(gui_base->get_icon("Instance", "EditorIcons"), TTR("Online Docs"), HELP_DOCS);
+	p->add_icon_item(gui_base->get_icon("Instance", "EditorIcons"), TTR("Q&A"), HELP_QA);
+	p->add_icon_item(gui_base->get_icon("Instance", "EditorIcons"), TTR("Issue Tracker"), HELP_ISSUES);
+	p->add_icon_item(gui_base->get_icon("Instance", "EditorIcons"), TTR("Community"), HELP_COMMUNITY);
 	p->add_separator();
-	p->add_item(TTR("About"), SETTINGS_ABOUT);
+	p->add_icon_item(gui_base->get_icon("GodotDocs", "EditorIcons"), TTR("About"), HELP_ABOUT);
 
 	//Separator *s1 = memnew( VSeparator );
 	//menu_panel->add_child(s1);

editor/editor_node.h

@@ -186,12 +186,19 @@ private:
 		SETTINGS_PICK_MAIN_SCENE,
 		SETTINGS_TOGGLE_FULLSCREN,
 		SETTINGS_HELP,
-		SETTINGS_ABOUT,
 		SOURCES_REIMPORT,
 		DEPENDENCY_LOAD_CHANGED_IMAGES,
 		DEPENDENCY_UPDATE_IMPORTED,
 		SCENE_TAB_CLOSE,
 
+		HELP_CLASSES,
+		HELP_SEARCH,
+		HELP_DOCS,
+		HELP_QA,
+		HELP_ISSUES,
+		HELP_COMMUNITY,
+		HELP_ABOUT,
+
 		IMPORT_PLUGIN_BASE = 100,
 
 		OBJECT_METHOD_BASE = 500,

editor/plugins/script_editor_plugin.cpp

@@ -38,7 +38,6 @@
 #include "os/file_access.h"
 #include "os/input.h"
 #include "os/keyboard.h"
-#include "os/keyboard.h"
 #include "os/os.h"
 #include "scene/main/viewport.h"
 
@@ -48,6 +47,7 @@ void ScriptEditorBase::_bind_methods() {
 
 	ADD_SIGNAL(MethodInfo("name_changed"));
 	ADD_SIGNAL(MethodInfo("request_help_search", PropertyInfo(Variant::STRING, "topic")));
+	ADD_SIGNAL(MethodInfo("request_help_index"));
 	ADD_SIGNAL(MethodInfo("request_open_script_at_line", PropertyInfo(Variant::OBJECT, "script"), PropertyInfo(Variant::INT, "line")));
 	ADD_SIGNAL(MethodInfo("request_save_history"));
 	ADD_SIGNAL(MethodInfo("go_to_help", PropertyInfo(Variant::STRING, "what")));
@@ -1039,7 +1039,7 @@ void ScriptEditor::_notification(int p_what) {
 
 		EditorSettings::get_singleton()->connect("settings_changed", this, "_editor_settings_changed");
 		help_search->set_icon(get_icon("Help", "EditorIcons"));
-		site_search->set_icon(get_icon("GodotDocs", "EditorIcons"));
+		site_search->set_icon(get_icon("Instance", "EditorIcons"));
 		class_search->set_icon(get_icon("ClassList", "EditorIcons"));
 
 		script_forward->set_icon(get_icon("Forward", "EditorIcons"));
@@ -1051,6 +1051,7 @@ void ScriptEditor::_notification(int p_what) {
 		get_tree()->connect("tree_changed", this, "_tree_changed");
 		editor->connect("request_help", this, "_request_help");
 		editor->connect("request_help_search", this, "_help_search");
+		editor->connect("request_help_index", this, "_help_index");
 	}
 
 	if (p_what == NOTIFICATION_EXIT_TREE) {
@@ -2028,6 +2029,10 @@ void ScriptEditor::set_live_auto_reload_running_scripts(bool p_enabled) {
 	auto_reload_running_scripts = p_enabled;
 }
 
+void ScriptEditor::_help_index(String p_text) {
+	help_index->popup();
+}
+
 void ScriptEditor::_help_search(String p_text) {
 	help_search_dialog->popup(p_text);
 }
@@ -2069,6 +2074,7 @@ void ScriptEditor::_bind_methods() {
 	ClassDB::bind_method("_goto_script_line", &ScriptEditor::_goto_script_line);
 	ClassDB::bind_method("_goto_script_line2", &ScriptEditor::_goto_script_line2);
 	ClassDB::bind_method("_help_search", &ScriptEditor::_help_search);
+	ClassDB::bind_method("_help_index", &ScriptEditor::_help_index);
 	ClassDB::bind_method("_save_history", &ScriptEditor::_save_history);
 
 	ClassDB::bind_method("_breaked", &ScriptEditor::_breaked);
@@ -2211,10 +2217,10 @@ ScriptEditor::ScriptEditor(EditorNode *p_editor) {
 	menu_hb->add_spacer();
 
 	site_search = memnew(ToolButton);
-	site_search->set_text(TTR("Tutorials"));
+	site_search->set_text(TTR("Online Docs"));
 	site_search->connect("pressed", this, "_menu_option", varray(SEARCH_WEBSITE));
 	menu_hb->add_child(site_search);
-	site_search->set_tooltip(TTR("Open https://godotengine.org at tutorials section."));
+	site_search->set_tooltip(TTR("Open Godot online documentation"));
 
 	class_search = memnew(ToolButton);
 	class_search->set_text(TTR("Classes"));

editor/plugins/script_editor_plugin.h

@@ -291,6 +291,7 @@ class ScriptEditor : public VBoxContainer {
 	void _unhandled_input(const Ref<InputEvent> &p_event);
 
 	void _help_search(String p_text);
+	void _help_index(String p_text);
 
 	void _history_forward();
 	void _history_back();