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/***
This file is part of pavucontrol.
Copyright 2006-2008 Lennart Poettering
Copyright 2009 Colin Guthrie
pavucontrol 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.
pavucontrol 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 pavucontrol. If not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "minimalstreamwidget.h"
/*** MinimalStreamWidget ***/
MinimalStreamWidget::MinimalStreamWidget(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>& x) :
Gtk::VBox(cobject),
peakProgressBar(),
lastPeak(0),
updating(false),
volumeMeterEnabled(false) {
x->get_widget("channelsVBox", channelsVBox);
x->get_widget("nameLabel", nameLabel);
x->get_widget("boldNameLabel", boldNameLabel);
x->get_widget("iconImage", iconImage);
peakProgressBar.set_size_request(-1, 10);
channelsVBox->pack_end(peakProgressBar, false, false);
peakProgressBar.hide();
}
#define DECAY_STEP .04
void MinimalStreamWidget::updatePeak(double v) {
if (lastPeak >= DECAY_STEP)
if (v < lastPeak - DECAY_STEP)
v = lastPeak - DECAY_STEP;
lastPeak = v;
if (v >= 0) {
peakProgressBar.set_sensitive(TRUE);
peakProgressBar.set_fraction(v);
} else {
peakProgressBar.set_sensitive(FALSE);
peakProgressBar.set_fraction(0);
}
enableVolumeMeter();
}
void MinimalStreamWidget::enableVolumeMeter() {
if (volumeMeterEnabled)
return;
volumeMeterEnabled = true;
peakProgressBar.show();
}
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