/* This file is part of Machina.
 * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
 * 
 * Machina is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 * 
 * Machina 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 General Public License for details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
 */

#ifndef MACHINA_GUI_H
#define MACHINA_GUI_H

#include <string>
#include <libgnomecanvasmm.h>
#include "wafconfig.h"
#include "raul/SharedPtr.hpp"
#include "raul/Maid.hpp"

using namespace std;

namespace Machina { class Machine; class Engine; class Evolver; }

class MachinaCanvas;

class MachinaGUI
{
public:
	MachinaGUI(SharedPtr<Machina::Engine> engine);
	~MachinaGUI();

	boost::shared_ptr<MachinaCanvas>    canvas()  { return _canvas; }
	boost::shared_ptr<Machina::Machine> machine() { return _engine->machine(); }
	
	SharedPtr<Raul::Maid> maid() { return _maid; }
	
	Gtk::Window* window() { return _main_window; }
	
	void attach();
	void quit() { _main_window->hide(); }

	inline void queue_refresh() { _refresh = true; }

protected:
	void connect_widgets();

	void menu_file_quit();
	void menu_file_open();
	void menu_file_save();
	void menu_file_save_as();
	void menu_import_midi();
	void menu_export_midi();
	void menu_export_graphviz();
	void show_toolbar_toggled();
	void show_labels_toggled();
	void menu_help_about();
	void menu_help_help();
	void arrange();
	void load_target_clicked();

	void random_mutation(SharedPtr<Machina::Machine> machine);
	void mutate(SharedPtr<Machina::Machine> machine, unsigned mutation);
	void zoom(double z);
	void update_toolbar();

	bool scrolled_window_event(GdkEvent* ev);
	bool idle_callback();

#ifdef HAVE_EUGENE
	void evolve_toggled();
	bool evolve_callback();
#endif

	void record_toggled();
	void stop_clicked();
	void play_toggled();

	void quantize_changed();
	void tempo_changed();

	bool _refresh;
	bool _evolve;

	string _save_uri;
	string _target_filename;
	
	Raul::TimeUnit _unit;

	boost::shared_ptr<MachinaCanvas>   _canvas;
	boost::shared_ptr<Machina::Engine> _engine;

	SharedPtr<Raul::Maid>       _maid;
	SharedPtr<Machina::Evolver> _evolver;

	Gtk::Main* _gtk_main;
	
	Gtk::Window*           _main_window;
	Gtk::Dialog*           _help_dialog;
	Gtk::AboutDialog*      _about_window;
	Gtk::Toolbar*          _toolbar;
	Gtk::MenuItem*         _menu_file_open;
	Gtk::MenuItem*         _menu_file_save;
	Gtk::MenuItem*         _menu_file_save_as;
	Gtk::MenuItem*         _menu_file_quit;
	Gtk::MenuItem*         _menu_import_midi;
	Gtk::MenuItem*         _menu_export_midi;
	Gtk::MenuItem*         _menu_export_graphviz;
	Gtk::MenuItem*         _menu_help_about;
	Gtk::CheckMenuItem*    _menu_view_labels;
	Gtk::CheckMenuItem*    _menu_view_time_edges;
	Gtk::CheckMenuItem*    _menu_view_toolbar;
	Gtk::MenuItem*         _menu_help_help;
	Gtk::ScrolledWindow*   _canvas_scrolledwindow;
	Gtk::TextView*         _status_text;
	Gtk::Expander*         _messages_expander;
	Gtk::CheckButton*      _clock_checkbutton;
	Gtk::SpinButton*       _bpm_spinbutton;
	Gtk::CheckButton*      _quantize_checkbutton;
	Gtk::SpinButton*       _quantize_spinbutton;
	Gtk::ToggleToolButton* _record_button;
	Gtk::ToolButton*       _stop_button;
	Gtk::ToggleToolButton* _play_button;
	Gtk::ToolButton*       _zoom_normal_button;
	Gtk::ToolButton*       _zoom_full_button;
	Gtk::ToolButton*       _arrange_button;
	Gtk::ToolButton*       _load_target_button;
	Gtk::ToggleToolButton* _evolve_button;
	Gtk::ToolButton*       _mutate_button;
	Gtk::ToolButton*       _compress_button;
	Gtk::ToolButton*       _add_node_button;
	Gtk::ToolButton*       _remove_node_button;
	Gtk::ToolButton*       _adjust_node_button;
	Gtk::ToolButton*       _add_edge_button;
	Gtk::ToolButton*       _remove_edge_button;
	Gtk::ToolButton*       _adjust_edge_button;
};

#endif // MACHINA_GUI_H