91 lines
2.4 KiB
C++
91 lines
2.4 KiB
C++
/*
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* Copyright (C) 2013-2018 Paul Davis <paul@linuxaudiosystems.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <iostream>
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#include <gtkmm/window.h>
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#include "gtkmm2ext/visibility_tracker.h"
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using namespace Gtkmm2ext;
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bool VisibilityTracker::_use_window_manager_visibility = true;
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VisibilityTracker::VisibilityTracker (Gtk::Window& win)
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: _window (win)
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#if (defined PLATFORM_WINDOWS || defined __APPLE__)
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, _visibility (GdkVisibilityState (0))
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#else
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, _visibility (GDK_VISIBILITY_FULLY_OBSCURED)
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#endif
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{
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_window.add_events (Gdk::VISIBILITY_NOTIFY_MASK);
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_window.signal_visibility_notify_event().connect (sigc::mem_fun (*this, &VisibilityTracker::handle_visibility_notify_event));
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}
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void
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VisibilityTracker::set_use_window_manager_visibility (bool yn)
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{
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_use_window_manager_visibility = yn;
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}
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bool
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VisibilityTracker::handle_visibility_notify_event (GdkEventVisibility* ev)
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{
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_visibility = ev->state;
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return false;
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}
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void
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VisibilityTracker::cycle_visibility ()
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{
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if (fully_visible ()) {
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_window.hide ();
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} else {
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_window.present ();
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}
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}
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bool
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VisibilityTracker::fully_visible () const
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{
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if (_use_window_manager_visibility) {
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return _window.is_mapped() && (_visibility == GDK_VISIBILITY_UNOBSCURED);
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} else {
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return _window.is_mapped();
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}
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}
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bool
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VisibilityTracker::not_visible () const
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{
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if (_use_window_manager_visibility) {
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return !_window.is_mapped() || (_visibility == GDK_VISIBILITY_FULLY_OBSCURED);
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} else {
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return !_window.is_mapped();
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}
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}
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bool
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VisibilityTracker::partially_visible () const
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{
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if (_use_window_manager_visibility) {
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return _window.is_mapped() && ((_visibility == GDK_VISIBILITY_PARTIAL) || (_visibility == GDK_VISIBILITY_UNOBSCURED));
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} else {
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return _window.is_mapped();
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}
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}
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