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/*
* Copyright (C) 2008 Petri Damsten <damu@iki.fi>
* Copyright (C) 2010 Michel Lafon-Puyo <michel.lafonpuyo@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "cpu.h"
#include <KDebug>
#include <Plasma/Theme>
#include <KConfigDialog>
#include <QTimer>
#include <QGraphicsLinearLayout>
#include "plotter.h"
SM::Cpu::Cpu(QObject *parent, const QVariantList &args)
: SM::Applet(parent, args)
, m_rx("^cpu/(\\w+)/TotalLoad$")
{
setHasConfigurationInterface(true);
resize(234 + 20 + 23, 135 + 20 + 25);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
m_sourceTimer.setSingleShot(true);
connect(&m_sourceTimer, SIGNAL(timeout()), this, SLOT(sourcesChanged()));
}
SM::Cpu::~Cpu()
{
}
void SM::Cpu::init()
{
KGlobal::locale()->insertCatalog("plasma_applet_system-monitor");
setEngine(dataEngine("systemmonitor"));
setTitle(i18n("CPU"));
/* At the time this method is running, not all source may be connected. */
connect(engine(), SIGNAL(sourceAdded(const QString&)), this, SLOT(sourceChanged(const QString&)));
connect(engine(), SIGNAL(sourceRemoved(const QString&)), this, SLOT(sourceChanged(const QString&)));
foreach (const QString& source, engine()->sources()) {
sourceChanged(source);
}
}
void SM::Cpu::sourceChanged(const QString& name)
{
if (m_rx.indexIn(name) != -1) {
//kDebug() << m_rx.cap(1);
//kWarning() << name; // debug
m_cpus << name;
if (!m_sourceTimer.isActive()) {
m_sourceTimer.start(0);
}
}
}
void SM::Cpu::sourcesChanged()
{
configChanged();
}
void SM::Cpu::configChanged()
{
KConfigGroup cg = config();
QStringList default_cpus;
if(m_cpus.contains("cpu/system/TotalLoad"))
default_cpus << "cpu/system/TotalLoad";
else
default_cpus = m_cpus;
setInterval(cg.readEntry("interval", 2.0) * 1000.0);
setSources(cg.readEntry("cpus", default_cpus));
connectToEngine();
}
QString SM::Cpu::cpuTitle(const QString &name)
{
if (name == "system") {
return i18n("total");
}
return name;
}
bool SM::Cpu::addVisualization(const QString& source)
{
QStringList l = source.split('/');
if (l.count() < 3) {
return false;
}
QString cpu = l[1];
SM::Plotter *plotter = new SM::Plotter(this);
plotter->setMinMax(0.0, 100.0);
plotter->setTitle(cpuTitle(cpu));
plotter->setUnit("%");
appendVisualization(source, plotter);
setPreferredItemHeight(80);
return true;
}
void SM::Cpu::dataUpdated(const QString& source, const Plasma::DataEngine::Data &data)
{
SM::Plotter *plotter = qobject_cast<SM::Plotter*>(visualization(source));
if (plotter) {
double value = data["value"].toDouble();
QString temp = KGlobal::locale()->formatNumber(value, 1);
plotter->addSample(QList<double>() << value);
if (mode() == SM::Applet::Panel) {
setToolTip(source, QString("<tr><td>%1 </td><td>%2%</td></tr>")
.arg(plotter->title()).arg(temp));
}
}
}
void SM::Cpu::createConfigurationInterface(KConfigDialog *parent)
{
QWidget *widget = new QWidget();
ui.setupUi(widget);
m_model.clear();
m_model.setHorizontalHeaderLabels(QStringList() << i18n("CPU"));
QStandardItem *parentItem = m_model.invisibleRootItem();
foreach (const QString& cpu, m_cpus) {
if (m_rx.indexIn(cpu) != -1) {
QStandardItem *item1 = new QStandardItem(cpuTitle(m_rx.cap(1)));
item1->setEditable(false);
item1->setCheckable(true);
item1->setData(cpu);
if (sources().contains(cpu)) {
item1->setCheckState(Qt::Checked);
}
parentItem->appendRow(QList<QStandardItem *>() << item1);
}
}
ui.treeView->setModel(&m_model);
ui.treeView->resizeColumnToContents(0);
ui.intervalSpinBox->setValue(interval() / 1000.0);
ui.intervalSpinBox->setSuffix(i18nc("second", " s"));
parent->addPage(widget, i18n("CPUs"), "cpu");
connect(parent, SIGNAL(applyClicked()), this, SLOT(configAccepted()));
connect(parent, SIGNAL(okClicked()), this, SLOT(configAccepted()));
connect(ui.treeView, SIGNAL(clicked(QModelIndex)), parent, SLOT(settingsModified()));
connect(ui.intervalSpinBox, SIGNAL(valueChanged(QString)), parent, SLOT(settingsModified()));
}
void SM::Cpu::configAccepted()
{
KConfigGroup cg = config();
QStandardItem *parentItem = m_model.invisibleRootItem();
clear();
for (int i = 0; i < parentItem->rowCount(); ++i) {
QStandardItem *item = parentItem->child(i, 0);
if (item) {
if (item->checkState() == Qt::Checked) {
appendSource(item->data().toString());
}
}
}
cg.writeEntry("cpus", sources());
double interval = ui.intervalSpinBox->value();
cg.writeEntry("interval", interval);
emit configNeedsSaving();
}
#include "cpu.moc"
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