/*
 * Copyright (C) 2015 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
 *
 * 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.
 */

#ifndef _WIDGETS_TABBABLE_H_
#define _WIDGETS_TABBABLE_H_

#include <gtkmm/bin.h>
#include <gtkmm/box.h>
#include <gtkmm/button.h>
#include <gtkmm/image.h>
#include <gtkmm/label.h>
#include <gtkmm/notebook.h>

#include "gtkmm2ext/window_proxy.h"
#include "widgets/visibility.h"

namespace Gtk {
	class Window;
	class Notebook;
}

namespace Gtkmm2ext {
	class VisibilityTracker;
}

namespace ArdourWidgets {

class LIBWIDGETS_API Tabbable : public Gtkmm2ext::WindowProxy
{
public:
	Tabbable (Gtk::Widget&, const std::string&, bool tabbed_by_default = true);
	~Tabbable ();

	void add_to_notebook (Gtk::Notebook& notebook, const std::string& tab_title);
	void make_visible ();
	void make_invisible ();
	void change_visibility ();
	void attach ();
	void detach ();

	Gtk::Widget& contents() const { return _contents; }

	Gtk::Window* get (bool create = false);
	Gtk::Window* own_window () { return get (false); }
	virtual Gtk::Window* use_own_window (bool and_pack_it);

	void set_default_tabbed (bool yn);

	virtual void show_window ();

	bool window_visible () const;
	bool tabbed() const;
	bool tabbed_by_default () const;

	Gtk::Window* current_toplevel () const;

	Gtk::Notebook* tab_root_drop ();

	int set_state (const XMLNode&, int version);
	XMLNode& get_state ();

	static std::string xml_node_name();

	sigc::signal1<void,Tabbable&> StateChange;

protected:
	bool delete_event_handler (GdkEventAny *ev);

private:
	Gtk::Widget&   _contents;
	Gtk::Notebook  _own_notebook;
	Gtk::Notebook* _parent_notebook;
	std::string    _tab_title;
	bool            tab_requested_by_state;

	void show_tab ();
	void hide_tab ();
	bool tab_close_clicked (GdkEventButton*);
	void show_own_window (bool and_pack_it);
	void window_mapped ();
	void window_unmapped ();
};

} /* end namespace */

#endif