livetrax/gtk2_ardour/search_path_option.h

/*
 * Copyright (C) 2010-2012 Paul Davis <paul@linuxaudiosystems.com>
 *
 * This program 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.
 *
 * This program 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 more 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#pragma once

#include <string>

#include <gtkmm/filechooserbutton.h>
#include <gtkmm/entry.h>
#include <gtkmm/button.h>
#include <gtkmm/box.h>

#include "option_editor.h"

class SearchPathOption : public Option
{
public:
	SearchPathOption (const std::string& pathname, const std::string& label,
			const std::string& default_path,
			sigc::slot<std::string>, sigc::slot<bool, std::string>);
	~SearchPathOption ();

	void set_state_from_config ();
	void add_to_page (OptionEditorPage*);
	void clear ();

	Gtk::Widget& tip_widget() { return add_chooser; }

protected:
	sigc::slot<std::string> _get; ///< slot to get the configuration variable's value
	sigc::slot<bool, std::string> _set;  ///< slot to set the configuration variable's value

	struct PathEntry
	{
		PathEntry (const std::string& path, bool removable=true);

		Gtk::Entry entry;
		Gtk::Button remove_button;
		Gtk::HBox box;

		std::string path;
	};

	std::list<PathEntry*> paths;
	Gtk::FileChooserButton add_chooser;
	Gtk::VBox vbox;
	Gtk::VBox path_box;
	Gtk::Label session_label;

	void add_path (const std::string& path, bool removable=true);
	void remove_path (PathEntry*);
	void changed ();
	void path_chosen ();
};