David Robillard
2e8f80e37a
Updated for Jack MIDI SVN branch (required for now). git-svn-id: svn://localhost/ardour2/branches/midi@1720 d708f5d6-7413-0410-9779-e7cbd77b26cf
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/*
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Copyright (C) 2000-2007 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define _BSD_SOURCE
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#include <gtkmm2ext/idle_adjustment.h>
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#include <gtkmm/main.h>
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#include <iostream>
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using namespace Gtk;
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using namespace sigc;
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using namespace Gtkmm2ext;
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IdleAdjustment::IdleAdjustment (Gtk::Adjustment& adj)
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{
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adj.signal_value_changed().connect (mem_fun (*this, &IdleAdjustment::underlying_adjustment_value_changed));
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timeout_queued = 0;
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gettimeofday (&last_vc, 0);
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}
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IdleAdjustment::~IdleAdjustment ()
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{
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}
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void
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IdleAdjustment::underlying_adjustment_value_changed ()
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{
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gettimeofday (&last_vc, 0);
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if (timeout_queued) {
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return;
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}
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Glib::signal_timeout().connect(mem_fun(*this, &IdleAdjustment::timeout_handler), 250);
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timeout_queued = true;
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}
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gint
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IdleAdjustment::timeout_handler ()
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{
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struct timeval now;
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struct timeval tdiff;
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gettimeofday (&now, 0);
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timersub (&now, &last_vc, &tdiff);
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std::cerr << "timer elapsed, diff = " << tdiff.tv_sec << " + " << tdiff.tv_usec << std::endl;
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if (tdiff.tv_sec > 0 || tdiff.tv_usec > 250000) {
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std::cerr << "send signal\n";
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value_changed ();
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timeout_queued = false;
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return FALSE;
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} else {
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return TRUE;
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}
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}
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