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"_qs)}
  56 {
  57     m_ui->setupUi(this);
  58
  59     m_ui->labelGlobalSpeedIcon->setPixmap(
  60             UIThemeManager::instance()->getScaledPixmap(u"slow_off"_qs, Utils::Gui::mediumIconSize(this).height()));
  61     m_ui->labelAltGlobalSpeedIcon->setPixmap(
  62             UIThemeManager::instance()->getScaledPixmap(u"slow"_qs, Utils::Gui::mediumIconSize(this).height()));
  63
  64     const auto initSlider = [](QSlider *slider, const int value, const int maximum)
  65     {
  66         slider->setMaximum(maximum);
  67         slider->setValue(value);
  68     };
  69     const auto *session = BitTorrent::Session::instance();
  70     const int uploadVal = std::max(0, (session->globalUploadSpeedLimit() / 1024));
  71     const int downloadVal = std::max(0, (session->globalDownloadSpeedLimit() / 1024));
  72     const int maxUpload = std::max(10000, (session->globalUploadSpeedLimit() / 1024));
  73     const int maxDownload = std::max(10000, (session->globalDownloadSpeedLimit() / 1024));
  74     initSlider(m_ui->sliderUploadLimit, uploadVal, maxUpload);
  75     initSlider(m_ui->sliderDownloadLimit, downloadVal, maxDownload);
  76
  77     const int altUploadVal = std::max(0, (session->altGlobalUploadSpeedLimit() / 1024));
  78     const int altDownloadVal = std::max(0, (session->altGlobalDownloadSpeedLimit() / 1024));
  79     const int altMaxUpload = std::max(10000, (session->altGlobalUploadSpeedLimit() / 1024));
  80     const int altMaxDownload = std::max(10000, (session->altGlobalDownloadSpeedLimit() / 1024));
  81     initSlider(m_ui->sliderAltUploadLimit, altUploadVal, altMaxUpload);
  82     initSlider(m_ui->sliderAltDownloadLimit, altDownloadVal, altMaxDownload);
  83
  84     m_ui->spinUploadLimit->setValue(uploadVal);
  85     m_ui->spinDownloadLimit->setValue(downloadVal);
  86     m_ui->spinAltUploadLimit->setValue(altUploadVal);
  87     m_ui->spinAltDownloadLimit->setValue(altDownloadVal);
  88
  89     m_initialValues =
  90     {
  91         m_ui->spinUploadLimit->value(),
  92         m_ui->spinDownloadLimit->value(),
  93         m_ui->spinAltUploadLimit->value(),
  94         m_ui->spinAltDownloadLimit->value()
  95     };
  96
  97     // Sync up/down speed limit sliders with their corresponding spinboxes
  98     connect(m_ui->sliderUploadLimit, &QSlider::valueChanged, m_ui->spinUploadLimit, &QSpinBox::setValue);
  99     connect(m_ui->sliderDownloadLimit, &QSlider::valueChanged, m_ui->spinDownloadLimit, &QSpinBox::setValue);
 100     connect(m_ui->spinUploadLimit, qOverload<int>(&QSpinBox::valueChanged)
 101             , this, [this](const int value) { updateSliderValue(m_ui->sliderUploadLimit, value); });
 102     connect(m_ui->spinDownloadLimit, qOverload<int>(&QSpinBox::valueChanged)
 103             , this, [this](const int value) { updateSliderValue(m_ui->sliderDownloadLimit, value); });
 104     connect(m_ui->sliderAltUploadLimit, &QSlider::valueChanged, m_ui->spinAltUploadLimit, &QSpinBox::setValue);
 105     connect(m_ui->sliderAltDownloadLimit, &QSlider::valueChanged, m_ui->spinAltDownloadLimit, &QSpinBox::setValue);
 106     connect(m_ui->spinAltUploadLimit, qOverload<int>(&QSpinBox::valueChanged)
 107             , this, [this](const int value) { updateSliderValue(m_ui->sliderAltUploadLimit, value); });
 108     connect(m_ui->spinAltDownloadLimit, qOverload<int>(&QSpinBox::valueChanged)
 109             , this, [this](const int value) { updateSliderValue(m_ui->sliderAltDownloadLimit, value); });
 110
 111     if (const QSize dialogSize = m_storeDialogSize; dialogSize.isValid())
 112         resize(dialogSize);
 113 }
 114
 115 SpeedLimitDialog::~SpeedLimitDialog()
 116 {
 117     m_storeDialogSize = size();
 118     delete m_ui;
 119 }
 120
 121 void SpeedLimitDialog::accept()
 122 {
 123     auto *session = BitTorrent::Session::instance();
 124     const int uploadLimit = (m_ui->spinUploadLimit->value() * 1024);
 125     if (m_initialValues.uploadSpeedLimit != m_ui->spinUploadLimit->value())
 126         session->setGlobalUploadSpeedLimit(uploadLimit);
 127
 128     const int downloadLimit = (m_ui->spinDownloadLimit->value() * 1024);
 129     if (m_initialValues.downloadSpeedLimit != m_ui->spinDownloadLimit->value())
 130         session->setGlobalDownloadSpeedLimit(downloadLimit);
 131
 132     const int altUploadLimit = (m_ui->spinAltUploadLimit->value() * 1024);
 133     if (m_initialValues.altUploadSpeedLimit != m_ui->spinAltUploadLimit->value())
 134         session->setAltGlobalUploadSpeedLimit(altUploadLimit);
 135
 136     const int altDownloadLimit = (m_ui->spinAltDownloadLimit->value() * 1024);
 137     if (m_initialValues.altDownloadSpeedLimit != m_ui->spinAltDownloadLimit->value())
 138         session->setAltGlobalDownloadSpeedLimit(altDownloadLimit);
 139
 140     QDialog::accept();
 141 }