Factor out plugin menu code into a separate class.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@5297 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 79 insertions, 0 deletions

diff --git a/src/gui/PluginMenu.hpp b/src/gui/PluginMenu.hpp
new file mode 100644
index 00000000..54624104
--- /dev/null
+++ b/src/gui/PluginMenu.hpp
@@ -0,0 +1,79 @@
+/*
+  This file is part of Ingen.
+  Copyright 2014 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or any later version.
+
+  Ingen is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_GUI_PLUGINMENU_HPP
+#define INGEN_GUI_PLUGINMENU_HPP
+
+#include <map>
+#include <set>
+#include <string>
+
+#include <gtkmm/menu.h>
+
+#include "ingen/World.hpp"
+#include "ingen/types.hpp"
+#include "lilv/lilv.h"
+
+namespace Ingen {
+
+namespace Client { class PluginModel; }
+
+namespace GUI {
+
+/**
+   Type-hierarchical plugin menu.
+   
+   @ingroup GUI
+*/
+class PluginMenu : public Gtk::Menu
+{
+public:
+	PluginMenu(Ingen::World& world);
+
+	void add_plugin(SPtr<Client::PluginModel> p);
+
+	sigc::signal< void, WPtr<Client::PluginModel> > signal_load_plugin;
+
+private:
+	struct MenuRecord {
+		MenuRecord(Gtk::MenuItem* i, Gtk::Menu* m) : item(i), menu(m) {}
+		Gtk::MenuItem* item;
+		Gtk::Menu*     menu;
+	};
+
+	typedef std::multimap<const std::string, const LilvPluginClass*> LV2Children;
+	typedef std::multimap<const std::string, MenuRecord>             ClassMenus;
+
+	/// Recursively add hierarchy rooted at @a plugin_class to @a menu.
+	size_t build_plugin_class_menu(Gtk::Menu*               menu,
+	                               const LilvPluginClass*   plugin_class,
+	                               const LilvPluginClasses* classes,
+	                               const LV2Children&       children,
+	                               std::set<const char*>&   ancestors);
+
+	void add_plugin_to_menu(MenuRecord& menu, SPtr<Client::PluginModel> p);
+
+	void load_plugin(WPtr<Client::PluginModel> weak_plugin);
+
+	Ingen::World& _world;
+	MenuRecord    _classless_menu;
+	ClassMenus    _class_menus;
+};
+
+} // namespace GUI
+} // namespace Ingen
+
+#endif // INGEN_GUI_PLUGINMENU_HPP