src/gui/speedlimitdialog.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "speedlimitdialog.h"
  30
  31 #include <algorithm>
  32
  33 #include <QStyle>
  34
  35 #include "base/bittorrent/session.h"
  36 #include "ui_speedlimitdialog.h"
  37 #include "uithememanager.h"
  38 #include "utils.h"
  39
  40 #define SETTINGS_KEY(name) u"SpeedLimitDialog/" name
  41
  42 namespace
  43 {
  44     void updateSliderValue(QSlider *slider, const int value)
  45     {
  46         if (value > slider->maximum())
  47             slider->setMaximum(value);
  48         slider->setValue(value);
  49     }
  50 }
  51
  52 SpeedLimitDialog::SpeedLimitDialog(QWidget *parent)
  53     : QDialog {parent}
  54     , m_ui {new Ui::SpeedLimitDialog}
  55     , m_storeDialogSize {SETTINGS_KEY(u"Size"_s)}
  56 {
  57     m_ui->setupUi(this);
  58
  59     connect(m_ui->buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
  60     connect(m_ui->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
  61
  62     m_ui->labelGlobalSpeedIcon->setPixmap(
  63             UIThemeManager::instance()->getScaledPixmap(u"slow_off"_s, Utils::Gui::mediumIconSize(this).height()));
  64     m_ui->labelAltGlobalSpeedIcon->setPixmap(
  65             UIThemeManager::instance()->getScaledPixmap(u"slow"_s, Utils::Gui::mediumIconSize(this).height()));
  66
  67     const auto initSlider = [](QSlider *slider, const int value, const int maximum)
  68     {
  69         slider->setMaximum(maximum);
  70         slider->setValue(value);
  71     };
  72     const auto *session = BitTorrent::Session::instance();
  73     const int uploadVal = std::max(0, (session->globalUploadSpeedLimit() / 1024));
  74     const int downloadVal = std::max(0, (session->globalDownloadSpeedLimit() / 1024));
  75     const int maxUpload = std::max(10000, (session->globalUploadSpeedLimit() / 1024));
  76     const int maxDownload = std::max(10000, (session->globalDownloadSpeedLimit() / 1024));
  77     initSlider(m_ui->sliderUploadLimit, uploadVal, maxUpload);
  78     initSlider(m_ui->sliderDownloadLimit, downloadVal, maxDownload);
  79
  80     const int altUploadVal = std::max(0, (session->altGlobalUploadSpeedLimit() / 1024));
  81     const int altDownloadVal = std::max(0, (session->altGlobalDownloadSpeedLimit() / 1024));
  82     const int altMaxUpload = std::max(10000, (session->altGlobalUploadSpeedLimit() / 1024));
  83     const int altMaxDownload = std::max(10000, (session->altGlobalDownloadSpeedLimit() / 1024));
  84     initSlider(m_ui->sliderAltUploadLimit, altUploadVal, altMaxUpload);
  85     initSlider(m_ui->sliderAltDownloadLimit, altDownloadVal, altMaxDownload);
  86
  87     m_ui->spinUploadLimit->setValue(uploadVal);
  88     m_ui->spinDownloadLimit->setValue(downloadVal);
  89     m_ui->spinAltUploadLimit->setValue(altUploadVal);
  90     m_ui->spinAltDownloadLimit->setValue(altDownloadVal);
  91
  92     m_initialValues =
  93     {
  94         m_ui->spinUploadLimit->value(),
  95         m_ui->spinDownloadLimit->value(),
  96         m_ui->spinAltUploadLimit->value(),
  97         m_ui->spinAltDownloadLimit->value()
  98     };
  99
 100     // Sync up/down speed limit sliders with their corresponding spinboxes
 101     connect(m_ui->sliderUploadLimit, &QSlider::valueChanged, m_ui->spinUploadLimit, &QSpinBox::setValue);
 102     connect(m_ui->sliderDownloadLimit, &QSlider::valueChanged, m_ui->spinDownloadLimit, &QSpinBox::setValue);
 103     connect(m_ui->spinUploadLimit, qOverload<int>(&QSpinBox::valueChanged)
 104             , this, [this](const int value) { updateSliderValue(m_ui->sliderUploadLimit, value); });
 105     connect(m_ui->spinDownloadLimit, qOverload<int>(&QSpinBox::valueChanged)
 106             , this, [this](const int value) { updateSliderValue(m_ui->sliderDownloadLimit, value); });
 107     connect(m_ui->sliderAltUploadLimit, &QSlider::valueChanged, m_ui->spinAltUploadLimit, &QSpinBox::setValue);
 108     connect(m_ui->sliderAltDownloadLimit, &QSlider::valueChanged, m_ui->spinAltDownloadLimit, &QSpinBox::setValue);
 109     connect(m_ui->spinAltUploadLimit, qOverload<int>(&QSpinBox::valueChanged)
 110             , this, [this](const int value) { updateSliderValue(m_ui->sliderAltUploadLimit, value); });
 111     connect(m_ui->spinAltDownloadLimit, qOverload<int>(&QSpinBox::valueChanged)
 112             , this, [this](const int value) { updateSliderValue(m_ui->sliderAltDownloadLimit, value); });
 113
 114     if (const QSize dialogSize = m_storeDialogSize; dialogSize.isValid())
 115         resize(dialogSize);
 116 }
 117
 118 SpeedLimitDialog::~SpeedLimitDialog()
 119 {
 120     m_storeDialogSize = size();
 121     delete m_ui;
 122 }
 123
 124 void SpeedLimitDialog::accept()
 125 {
 126     auto *session = BitTorrent::Session::instance();
 127     const int uploadLimit = (m_ui->spinUploadLimit->value() * 1024);
 128     if (m_initialValues.uploadSpeedLimit != m_ui->spinUploadLimit->value())
 129         session->setGlobalUploadSpeedLimit(uploadLimit);
 130
 131     const int downloadLimit = (m_ui->spinDownloadLimit->value() * 1024);
 132     if (m_initialValues.downloadSpeedLimit != m_ui->spinDownloadLimit->value())
 133         session->setGlobalDownloadSpeedLimit(downloadLimit);
 134
 135     const int altUploadLimit = (m_ui->spinAltUploadLimit->value() * 1024);
 136     if (m_initialValues.altUploadSpeedLimit != m_ui->spinAltUploadLimit->value())
 137         session->setAltGlobalUploadSpeedLimit(altUploadLimit);
 138
 139     const int altDownloadLimit = (m_ui->spinAltDownloadLimit->value() * 1024);
 140     if (m_initialValues.altDownloadSpeedLimit != m_ui->spinAltDownloadLimit->value())
 141         session->setAltGlobalDownloadSpeedLimit(altDownloadLimit);
 142
 143     QDialog::accept();
 144 }