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livetrax/libs/gtkmm2ext/gtkmm2ext/visibility_tracker.h

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C++

/*
* Copyright (C) 2013-2016 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.
*/
#ifndef __libgtkmm2ext_visibility_tracker__
#define __libgtkmm2ext_visibility_tracker__
#include <gdk/gdkevents.h>
#include "gtkmm2ext/visibility.h"
namespace GTK {
class Window;
}
namespace Gtkmm2ext {
class LIBGTKMM2EXT_API VisibilityTracker : public virtual sigc::trackable {
public:
VisibilityTracker (Gtk::Window&);
virtual ~VisibilityTracker() {}
static void set_use_window_manager_visibility (bool);
static bool use_window_manager_visibility() { return _use_window_manager_visibility; }
void cycle_visibility ();
bool fully_visible() const;
bool not_visible() const;
bool partially_visible() const;
Gtk::Window& window () const { return _window; }
private:
Gtk::Window& _window;
GdkVisibilityState _visibility;
static bool _use_window_manager_visibility;
bool handle_visibility_notify_event (GdkEventVisibility*);
};
}
#endif /* __libgtkmm2ext_visibility_tracker__ */