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/* -*- Mode: c++ -*- */
/***************************************************************************
* diskstreamingframecontent.cc
*
* Fri Mar 24 21:50:07 CET 2017
* Copyright 2017 André Nusser
* andre.nusser@googlemail.com
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "diskstreamingframecontent.h"
#include <settings.h>
#include <limits>
namespace GUI
{
DiskstreamingframeContent::DiskstreamingframeContent(Widget* parent,
Settings& settings,
SettingsNotifier& settings_notifier)
: Widget(parent)
, slider_width{250}
, settings(settings)
, settings_notifier(settings_notifier)
{
label_text.setText("Cache limit (max memory usage):");
label_text.setAlignment(TextAlignment::center);
button.setText("Apply");
label_size.setText("0 MB");
label_size.setAlignment(TextAlignment::center);
CONNECT(this, settings_notifier.disk_cache_upper_limit,
this, &DiskstreamingframeContent::limitSettingsValueChanged);
CONNECT(&slider, valueChangedNotifier,
this, &DiskstreamingframeContent::limitValueChanged);
CONNECT(&button, clickNotifier,
this, &DiskstreamingframeContent::reloadClicked);
// TODO:
// CONNECT(this, settings_notifier.disk_cache_chunk_size,
// this, &DGWindow::chunkSettingsValueChanged);
// CONNECT(this, settings_notifier.number_of_underruns,
// this, &DGWindow::underrunsChanged);
}
void DiskstreamingframeContent::resize(std::size_t width, std::size_t height)
{
Widget::resize(width, height);
slider_width = 0.8 * width;
button_width = width - slider_width;
label_text.move(0, 0);
slider.move(0, 20);
button.move(slider_width, 10);
label_size.move(0, 40);
label_text.resize(slider_width, 15);
slider.resize(slider_width, 15);
button.resize(button_width, 30);
label_size.resize(slider_width, 15);
}
void DiskstreamingframeContent::limitSettingsValueChanged(std::size_t value)
{
float new_slider_value = (float)value/max_limit;
slider.setValue(new_slider_value);
if (new_slider_value < 0.99) {
int value_in_mb = value/(1024 * 1024);
label_size.setText(std::to_string(value_in_mb) + " MB");
}
else {
label_size.setText("Unlimited");
}
// TODO: un-grayout "Apply" button
}
void DiskstreamingframeContent::limitValueChanged(float value)
{
std::size_t new_limit = value < 0.99 ?
value * max_limit :
std::numeric_limits<std::size_t>::max();
settings.disk_cache_upper_limit.store(new_limit);
}
void DiskstreamingframeContent::reloadClicked()
{
settings.reload_counter++;
// TODO: grayout "Apply" button
}
} // GUI::
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