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/*
* Copyright (C) 2013-2018 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.
*/
#include <iostream>
#include <gtkmm/window.h>
#include "gtkmm2ext/visibility_tracker.h"
using namespace Gtkmm2ext;
bool VisibilityTracker::_use_window_manager_visibility = true;
VisibilityTracker::VisibilityTracker (Gtk::Window& win)
: _window (win)
#if (defined PLATFORM_WINDOWS || defined __APPLE__)
, _visibility (GdkVisibilityState (0))
#else
, _visibility (GDK_VISIBILITY_FULLY_OBSCURED)
#endif
{
_window.add_events (Gdk::VISIBILITY_NOTIFY_MASK);
_window.signal_visibility_notify_event().connect (sigc::mem_fun (*this, &VisibilityTracker::handle_visibility_notify_event));
}
void
VisibilityTracker::set_use_window_manager_visibility (bool yn)
{
_use_window_manager_visibility = yn;
}
bool
VisibilityTracker::handle_visibility_notify_event (GdkEventVisibility* ev)
{
_visibility = ev->state;
return false;
}
void
VisibilityTracker::cycle_visibility ()
{
if (fully_visible ()) {
_window.hide ();
} else {
_window.present ();
}
}
bool
VisibilityTracker::fully_visible () const
{
if (_use_window_manager_visibility) {
return _window.is_mapped() && (_visibility == GDK_VISIBILITY_UNOBSCURED);
} else {
return _window.is_mapped();
}
}
bool
VisibilityTracker::not_visible () const
{
if (_use_window_manager_visibility) {
return !_window.is_mapped() || (_visibility == GDK_VISIBILITY_FULLY_OBSCURED);
} else {
return !_window.is_mapped();
}
}
bool
VisibilityTracker::partially_visible () const
{
if (_use_window_manager_visibility) {
return _window.is_mapped() && ((_visibility == GDK_VISIBILITY_PARTIAL) || (_visibility == GDK_VISIBILITY_UNOBSCURED));
} else {
return _window.is_mapped();
}
}
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