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 <QStyle>
  32
  33 #include "base/bittorrent/session.h"
  34 #include "ui_speedlimitdialog.h"
  35 #include "uithememanager.h"
  36 #include "utils.h"
  37
  38 #define SETTINGS_KEY(name) "SpeedLimitDialog/" name
  39
  40 namespace
  41 {
  42     void updateSliderValue(QSlider *slider, const int value)
  43     {
  44         if (value > slider->maximum())
  45             slider->setMaximum(value);
  46         slider->setValue(value);
  47     }
  48 }
  49
  50 SpeedLimitDialog::SpeedLimitDialog(QWidget *parent)
  51     : QDialog {parent}
  52     , m_ui {new Ui::SpeedLimitDialog}
  53     , m_storeDialogSize {SETTINGS_KEY("Size")}
  54 {
  55     m_ui->setupUi(this);
  56
  57     m_ui->labelGlobalSpeedIcon->setPixmap(Utils::Gui::scaledPixmap(UIThemeManager::instance()->getIcon(QLatin1String("slow_off"))
  58                                                 , this, style()->pixelMetric(QStyle::PM_SmallIconSize, nullptr, this)));
  59     m_ui->labelAltGlobalSpeedIcon->setPixmap(Utils::Gui::scaledPixmap(UIThemeManager::instance()->getIcon(QLatin1String("slow"))
  60                                                 , this, style()->pixelMetric(QStyle::PM_SmallIconSize, nullptr, this)));
  61
  62     const auto initSlider = [](QSlider *slider, const int value, const int maximum)
  63     {
  64         slider->setMaximum(maximum);
  65         slider->setValue(value);
  66     };
  67     const auto *session = BitTorrent::Session::instance();
  68     const int uploadVal = qMax(0, (session->globalUploadSpeedLimit() / 1024));
  69     const int downloadVal = qMax(0, (session->globalDownloadSpeedLimit() / 1024));
  70     const int maxUpload = qMax(10000, (session->globalUploadSpeedLimit() / 1024));
  71     const int maxDownload = qMax(10000, (session->globalDownloadSpeedLimit() / 1024));
  72     initSlider(m_ui->sliderUploadLimit, uploadVal, maxUpload);
  73     initSlider(m_ui->sliderDownloadLimit, downloadVal, maxDownload);
  74
  75     const int altUploadVal = qMax(0, (session->altGlobalUploadSpeedLimit() / 1024));
  76     const int altDownloadVal = qMax(0, (session->altGlobalDownloadSpeedLimit() / 1024));
  77     const int altMaxUpload = qMax(10000, (session->altGlobalUploadSpeedLimit() / 1024));
  78     const int altMaxDownload = qMax(10000, (session->altGlobalDownloadSpeedLimit() / 1024));
  79     initSlider(m_ui->sliderAltUploadLimit, altUploadVal, altMaxUpload);
  80     initSlider(m_ui->sliderAltDownloadLimit, altDownloadVal, altMaxDownload);
  81
  82     m_ui->spinUploadLimit->setValue(uploadVal);
  83     m_ui->spinDownloadLimit->setValue(downloadVal);
  84     m_ui->spinAltUploadLimit->setValue(altUploadVal);
  85     m_ui->spinAltDownloadLimit->setValue(altDownloadVal);
  86
  87     m_initialValues =
  88     {
  89         m_ui->spinUploadLimit->value(),
  90         m_ui->spinDownloadLimit->value(),
  91         m_ui->spinAltUploadLimit->value(),
  92         m_ui->spinAltDownloadLimit->value()
  93     };
  94
  95     // Sync up/down speed limit sliders with their corresponding spinboxes
  96     connect(m_ui->sliderUploadLimit, &QSlider::valueChanged, m_ui->spinUploadLimit, &QSpinBox::setValue);
  97     connect(m_ui->sliderDownloadLimit, &QSlider::valueChanged, m_ui->spinDownloadLimit, &QSpinBox::setValue);
  98     connect(m_ui->spinUploadLimit, qOverload<int>(&QSpinBox::valueChanged)
  99             , this, [this](const int value) { updateSliderValue(m_ui->sliderUploadLimit, value); });
 100     connect(m_ui->spinDownloadLimit, qOverload<int>(&QSpinBox::valueChanged)
 101             , this, [this](const int value) { updateSliderValue(m_ui->sliderDownloadLimit, value); });
 102     connect(m_ui->sliderAltUploadLimit, &QSlider::valueChanged, m_ui->spinAltUploadLimit, &QSpinBox::setValue);
 103     connect(m_ui->sliderAltDownloadLimit, &QSlider::valueChanged, m_ui->spinAltDownloadLimit, &QSpinBox::setValue);
 104     connect(m_ui->spinAltUploadLimit, qOverload<int>(&QSpinBox::valueChanged)
 105             , this, [this](const int value) { updateSliderValue(m_ui->sliderAltUploadLimit, value); });
 106     connect(m_ui->spinAltDownloadLimit, qOverload<int>(&QSpinBox::valueChanged)
 107             , this, [this](const int value) { updateSliderValue(m_ui->sliderAltDownloadLimit, value); });
 108
 109     Utils::Gui::resize(this, m_storeDialogSize);
 110 }
 111
 112 SpeedLimitDialog::~SpeedLimitDialog()
 113 {
 114     m_storeDialogSize = size();
 115     delete m_ui;
 116 }
 117
 118 void SpeedLimitDialog::accept()
 119 {
 120     auto *session = BitTorrent::Session::instance();
 121     const int uploadLimit = (m_ui->spinUploadLimit->value() * 1024);
 122     if (m_initialValues.uploadSpeedLimit != m_ui->spinUploadLimit->value())
 123         session->setGlobalUploadSpeedLimit(uploadLimit);
 124
 125     const int downloadLimit = (m_ui->spinDownloadLimit->value() * 1024);
 126     if (m_initialValues.downloadSpeedLimit != m_ui->spinDownloadLimit->value())
 127         session->setGlobalDownloadSpeedLimit(downloadLimit);
 128
 129     const int altUploadLimit = (m_ui->spinAltUploadLimit->value() * 1024);
 130     if (m_initialValues.altUploadSpeedLimit != m_ui->spinAltUploadLimit->value())
 131         session->setAltGlobalUploadSpeedLimit(altUploadLimit);
 132
 133     const int altDownloadLimit = (m_ui->spinAltDownloadLimit->value() * 1024);
 134     if (m_initialValues.altDownloadSpeedLimit != m_ui->spinAltDownloadLimit->value())
 135         session->setAltGlobalDownloadSpeedLimit(altDownloadLimit);
 136
 137     QDialog::accept();
 138 }