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/*
Copyright (C) 2000-2007 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define _BSD_SOURCE
#include <gtkmm2ext/idle_adjustment.h>
#include <gtkmm/main.h>
#include <glibmm/main.h>
#include <iostream>
#include "pbd/timersub.h"
using namespace Gtk;
using namespace sigc;
using namespace Gtkmm2ext;
IdleAdjustment::IdleAdjustment (Gtk::Adjustment& adj)
{
adj.signal_value_changed().connect (mem_fun (*this, &IdleAdjustment::underlying_adjustment_value_changed));
timeout_queued = 0;
last_vc = g_get_monotonic_time();
}
IdleAdjustment::~IdleAdjustment ()
{
}
void
IdleAdjustment::underlying_adjustment_value_changed ()
{
last_vc = g_get_monotonic_time();
if (timeout_queued) {
return;
}
Glib::signal_timeout().connect(mem_fun(*this, &IdleAdjustment::timeout_handler), 250);
timeout_queued = true;
}
gint
IdleAdjustment::timeout_handler ()
{
int64_t now, tdiff;
now = g_get_monotonic_time();
tdiff = now - last_vc;
std::cerr << "timer elapsed, diff = " << tdiff << " usec" << std::endl;
if (tdiff > 250000) {
std::cerr << "send signal\n";
value_changed ();
timeout_queued = false;
return FALSE;
} else {
return TRUE;
}
}
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