BandwidthGraph.cpp
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00017 #include "BandwidthGraph.h"
00018 #include "Vidalia.h"
00019
00020 #define BWGRAPH_LINE_SEND (1u<<0)
00021 #define BWGRAPH_LINE_RECV (1u<<1)
00022 #define SETTING_FILTER "LineFilter"
00023 #define SETTING_OPACITY "Opacity"
00024 #define SETTING_ALWAYS_ON_TOP "AlwaysOnTop"
00025 #define SETTING_STYLE "GraphStyle"
00026 #define DEFAULT_FILTER (BWGRAPH_LINE_SEND|BWGRAPH_LINE_RECV)
00027 #define DEFAULT_ALWAYS_ON_TOP false
00028 #define DEFAULT_OPACITY 100
00029 #define DEFAULT_STYLE GraphFrame::AreaGraph
00030
00031 #define ADD_TO_FILTER(f,v,b) (f = ((b) ? ((f) | (v)) : ((f) & ~(v))))
00032
00033
00034 #define DATETIME_FMT "MMM dd hh:mm:ss"
00035
00036
00037 #define IMG_AREA_GRAPH ":/images/16x16/graph-area.png"
00038 #define IMG_LINE_GRAPH ":/images/16x16/graph-line.png"
00039
00040
00041
00042 BandwidthGraph::BandwidthGraph(QWidget *parent, Qt::WFlags flags)
00043 : VidaliaWindow("BandwidthGraph", parent, flags)
00044 {
00045
00046 ui.setupUi(this);
00047
00048
00049 Vidalia::torControl()->setEvent(TorEvents::Bandwidth);
00050 connect(Vidalia::torControl(), SIGNAL(bandwidthUpdate(quint64,quint64)),
00051 this, SLOT(updateGraph(quint64,quint64)));
00052
00053
00054 setShortcut("Esc", SLOT(close()));
00055 setShortcut("Ctrl+W", SLOT(close()));
00056
00057
00058 createActions();
00059
00060
00061 reset();
00062
00063 showSettingsFrame(false);
00064
00065 loadSettings();
00066
00067
00068 #if defined(Q_WS_WIN)
00069 if(!(QSysInfo::WindowsVersion & QSysInfo::WV_NT_based)
00070 || QSysInfo::WindowsVersion < QSysInfo::WV_2000) {
00071 ui.frmOpacity->setVisible(false);
00072 }
00073 #endif
00074
00075 #if defined(Q_WS_X11)
00076 ui.frmOpacity->setVisible(false);
00077 #endif
00078 }
00079
00080
00081 void
00082 BandwidthGraph::retranslateUi()
00083 {
00084 ui.retranslateUi(this);
00085 }
00086
00087
00088 void
00089 BandwidthGraph::createActions()
00090 {
00091 connect(ui.btnToggleSettings, SIGNAL(toggled(bool)),
00092 this, SLOT(showSettingsFrame(bool)));
00093
00094 connect(ui.btnReset, SIGNAL(clicked()),
00095 this, SLOT(reset()));
00096
00097 connect(ui.btnSaveSettings, SIGNAL(clicked()),
00098 this, SLOT(saveChanges()));
00099
00100 connect(ui.btnCancelSettings, SIGNAL(clicked()),
00101 this, SLOT(cancelChanges()));
00102
00103 connect(ui.sldrOpacity, SIGNAL(valueChanged(int)),
00104 this, SLOT(setOpacity(int)));
00105 }
00106
00107
00108 void
00109 BandwidthGraph::updateGraph(quint64 bytesRead, quint64 bytesWritten)
00110 {
00111
00112 ui.frmGraph->addPoints(bytesRead/1024.0, bytesWritten/1024.0);
00113 }
00114
00115
00116 void
00117 BandwidthGraph::loadSettings()
00118 {
00119
00120 ui.sldrOpacity->setValue(getSetting(SETTING_OPACITY, DEFAULT_OPACITY).toInt());
00121 setOpacity(ui.sldrOpacity->value());
00122
00123
00124 ui.chkAlwaysOnTop->setChecked(getSetting(SETTING_ALWAYS_ON_TOP,
00125 DEFAULT_ALWAYS_ON_TOP).toBool());
00126 if (ui.chkAlwaysOnTop->isChecked()) {
00127 setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
00128 } else {
00129 setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
00130 }
00131
00132
00133 uint filter = getSetting(SETTING_FILTER, DEFAULT_FILTER).toUInt();
00134 ui.chkReceiveRate->setChecked(filter & BWGRAPH_LINE_RECV);
00135 ui.chkSendRate->setChecked(filter & BWGRAPH_LINE_SEND);
00136
00137
00138 int graphStyle = getSetting(SETTING_STYLE, DEFAULT_STYLE).toInt();
00139 if (graphStyle < 0 || graphStyle >= ui.cmbGraphStyle->count()) {
00140 graphStyle = DEFAULT_STYLE;
00141 }
00142 ui.cmbGraphStyle->setCurrentIndex(graphStyle);
00143 ui.frmGraph->setGraphStyle((GraphFrame::GraphStyle)graphStyle);
00144
00145
00146 ui.frmGraph->setShowCounters(ui.chkReceiveRate->isChecked(),
00147 ui.chkSendRate->isChecked());
00148 }
00149
00150
00151 void
00152 BandwidthGraph::reset()
00153 {
00154
00155 ui.statusbar->showMessage(tr("Since:") + " " +
00156 QDateTime::currentDateTime()
00157 .toString(DATETIME_FMT));
00158
00159 ui.frmGraph->resetGraph();
00160 }
00161
00162
00163 void
00164 BandwidthGraph::saveChanges()
00165 {
00166
00167 showSettingsFrame(false);
00168
00169
00170 saveSetting(SETTING_OPACITY, ui.sldrOpacity->value());
00171 saveSetting(SETTING_STYLE, ui.cmbGraphStyle->currentIndex());
00172
00173
00174 saveSetting(SETTING_ALWAYS_ON_TOP, ui.chkAlwaysOnTop->isChecked());
00175 if (ui.chkAlwaysOnTop->isChecked()) {
00176 setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
00177 } else {
00178 setWindowFlags(windowFlags() & ~Qt::WindowStaysOnTopHint);
00179 }
00180 setOpacity(ui.sldrOpacity->value());
00181
00182
00183 uint filter = 0;
00184 ADD_TO_FILTER(filter, BWGRAPH_LINE_RECV, ui.chkReceiveRate->isChecked());
00185 ADD_TO_FILTER(filter, BWGRAPH_LINE_SEND, ui.chkSendRate->isChecked());
00186 saveSetting(SETTING_FILTER, filter);
00187
00188
00189
00190 ui.frmGraph->setShowCounters(ui.chkReceiveRate->isChecked(),
00191 ui.chkSendRate->isChecked());
00192 ui.frmGraph->setGraphStyle((GraphFrame::GraphStyle)ui.cmbGraphStyle->currentIndex());
00193
00194
00195
00196 showNormal();
00197 }
00198
00199
00200 void
00201 BandwidthGraph::cancelChanges()
00202 {
00203
00204 showSettingsFrame(false);
00205
00206
00207 loadSettings();
00208 }
00209
00210
00211 void
00212 BandwidthGraph::showSettingsFrame(bool show)
00213 {
00214 static QSize minSize = minimumSize();
00215
00216 QSize newSize = size();
00217 if (show) {
00218
00219 ui.frmSettings->setVisible(true);
00220 ui.btnToggleSettings->setChecked(true);
00221 ui.btnToggleSettings->setText(tr("Hide Settings"));
00222
00223
00224 newSize.setHeight(newSize.height() + ui.frmSettings->height() + 6);
00225 } else {
00226
00227 ui.frmSettings->setVisible(false);
00228 ui.btnToggleSettings->setChecked(false);
00229 ui.btnToggleSettings->setText(tr("Show Settings"));
00230
00231
00232 newSize.setHeight(newSize.height() - ui.frmSettings->height() - 6);
00233 setMinimumSize(minSize);
00234 }
00235 resize(newSize);
00236 }
00237
00238
00239 void
00240 BandwidthGraph::setOpacity(int value)
00241 {
00242 qreal newValue = value / 100.0;
00243
00244
00245 #if defined(Q_WS_MAC)
00246 this->setWindowOpacity(newValue);
00247 ui.lblPercentOpacity->setText(QString::number(value));
00248 #elif defined(Q_WS_WIN)
00249 if (QSysInfo::WindowsVersion & QSysInfo::WV_NT_based
00250 && QSysInfo::WindowsVersion >= QSysInfo::WV_2000) {
00251 this->setWindowOpacity(newValue);
00252 ui.lblPercentOpacity->setText(QString::number(value));
00253 }
00254 #else
00255 Q_UNUSED(newValue);
00256 #endif
00257 }
00258
00259
00260 void
00261 BandwidthGraph::showWindow()
00262 {
00263
00264 loadSettings();
00265
00266 VidaliaWindow::showWindow();
00267 }
00268