From b5d8154d170c7e0820ec170e5951087fce9b9868 Mon Sep 17 00:00:00 2001
From: Yuri Roubinski <chaosus89@gmail.com>
Date: Fri, 2 Aug 2019 17:03:45 +0300
Subject: [PATCH] Added link to docs for shader editor

(cherry picked from commit 770ce20ea3b8e4e75d4b9e74dd124726583acb1c)
---
 editor/plugins/shader_editor_plugin.cpp | 10 ++++++++++
 editor/plugins/shader_editor_plugin.h   |  4 ++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/editor/plugins/shader_editor_plugin.cpp b/editor/plugins/shader_editor_plugin.cpp
index 428dd28c097..8e5a3df5edd 100644
--- a/editor/plugins/shader_editor_plugin.cpp
+++ b/editor/plugins/shader_editor_plugin.cpp
@@ -346,6 +346,9 @@ void ShaderEditor::_menu_option(int p_option) {
 
 			goto_line_dialog->popup_find_line(shader_editor->get_text_edit());
 		} break;
+		case HELP_DOCS: {
+			OS::get_singleton()->shell_open("https://docs.godotengine.org/en/stable/tutorials/shading/shading_reference/index.html");
+		} break;
 	}
 	if (p_option != SEARCH_FIND && p_option != SEARCH_REPLACE && p_option != SEARCH_GOTO_LINE) {
 		shader_editor->get_text_edit()->call_deferred("grab_focus");
@@ -577,10 +580,17 @@ ShaderEditor::ShaderEditor(EditorNode *p_node) {
 	search_menu->get_popup()->add_shortcut(ED_GET_SHORTCUT("script_text_editor/goto_line"), SEARCH_GOTO_LINE);
 	search_menu->get_popup()->connect("id_pressed", this, "_menu_option");
 
+	help_menu = memnew(MenuButton);
+	help_menu->set_text(TTR("Help"));
+	help_menu->set_switch_on_hover(true);
+	help_menu->get_popup()->add_icon_item(p_node->get_gui_base()->get_icon("Instance", "EditorIcons"), TTR("Online Docs"), HELP_DOCS);
+	help_menu->get_popup()->connect("id_pressed", this, "_menu_option");
+
 	add_child(main_container);
 	main_container->add_child(hbc);
 	hbc->add_child(search_menu);
 	hbc->add_child(edit_menu);
+	hbc->add_child(help_menu);
 	hbc->add_style_override("panel", p_node->get_gui_base()->get_stylebox("ScriptEditorPanel", "EditorStyles"));
 	main_container->add_child(shader_editor);
 
diff --git a/editor/plugins/shader_editor_plugin.h b/editor/plugins/shader_editor_plugin.h
index 46c78c1d33e..c8b5956b0dd 100644
--- a/editor/plugins/shader_editor_plugin.h
+++ b/editor/plugins/shader_editor_plugin.h
@@ -88,12 +88,12 @@ class ShaderEditor : public PanelContainer {
 		SEARCH_FIND_PREV,
 		SEARCH_REPLACE,
 		SEARCH_GOTO_LINE,
-
+		HELP_DOCS,
 	};
 
 	MenuButton *edit_menu;
 	MenuButton *search_menu;
-	MenuButton *settings_menu;
+	MenuButton *help_menu;
 	PopupMenu *context_menu;
 	uint64_t idle;