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/*
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* Bittorrent Client using Qt4 and libtorrent.
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* Copyright (C) 2006 Christophe Dumez
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link this program with the OpenSSL project's "OpenSSL" library (or with
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* modified versions of it that use the same license as the "OpenSSL" library),
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* and distribute the linked executables. You must obey the GNU General Public
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* License in all respects for all of the code used other than "OpenSSL". If you
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* modify file(s), you may extend this exception to your version of the file(s),
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* but you are not obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*
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* Contact : chris@qbittorrent.org
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*/
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#include "speedlimitdlg.h"
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#include "core/unicodestrings.h"
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SpeedLimitDialog::SpeedLimitDialog(QWidget *parent): QDialog(parent)
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{
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setupUi(this);
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qDebug("Bandwidth allocation dialog creation");
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// Connect to slots
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connect(bandwidthSlider, SIGNAL(valueChanged(int)), this, SLOT(updateSpinValue(int)));
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connect(spinBandwidth, SIGNAL(valueChanged(int)), this, SLOT(updateSliderValue(int)));
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move(Utils::Misc::screenCenter(this));
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}
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SpeedLimitDialog::~SpeedLimitDialog()
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{
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qDebug("Deleting bandwidth allocation dialog");
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}
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// -2: if cancel
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long SpeedLimitDialog::askSpeedLimit(bool *ok, QString title, long default_value, long max_value)
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{
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SpeedLimitDialog dlg;
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dlg.setWindowTitle(title);
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dlg.setupDialog(max_value / 1024., default_value / 1024.);
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if (dlg.exec() == QDialog::Accepted) {
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*ok = true;
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int val = dlg.getSpeedLimit();
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if (val <= 0)
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return -1;
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return val * 1024;
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}
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else {
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*ok = false;
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return -2;
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}
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}
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void SpeedLimitDialog::updateSpinValue(int val) const
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{
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qDebug("Called updateSpinValue with %d", val);
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if (val <= 0) {
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spinBandwidth->setValue(0);
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spinBandwidth->setSpecialValueText(QString::fromUtf8(C_INFINITY));
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spinBandwidth->setSuffix(QString::fromUtf8(""));
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}
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else {
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spinBandwidth->setValue(val);
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spinBandwidth->setSuffix(" " + tr("KiB/s"));
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}
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}
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void SpeedLimitDialog::updateSliderValue(int val) const
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{
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if (val <= 0) {
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spinBandwidth->setValue(0);
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spinBandwidth->setSpecialValueText(QString::fromUtf8(C_INFINITY));
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spinBandwidth->setSuffix(QString::fromUtf8(""));
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}
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if (val > bandwidthSlider->maximum())
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bandwidthSlider->setMaximum(val);
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bandwidthSlider->setValue(val);
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}
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long SpeedLimitDialog::getSpeedLimit() const
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{
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long val = bandwidthSlider->value();
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if (val > 0)
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return val;
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return -1;
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}
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void SpeedLimitDialog::setupDialog(long max_slider, long val) const
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{
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if (val < 0)
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val = 0;
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if (max_slider < 0)
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max_slider = 1000;
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// This can happen for example if global rate limit is lower
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// than torrent rate limit.
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if (val > max_slider)
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max_slider = val;
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bandwidthSlider->setMaximum(max_slider);
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bandwidthSlider->setValue(val);
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updateSpinValue(val);
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}
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