mirror of
https://github.com/arcan1s/awesome-widgets.git
synced 2025-04-24 23:47:20 +00:00
Evgeniy Alekseev
6e62ceaac7
* use pass by ref instead of by value if possible * use reference in interation over collections * fix no tag inserting
323 lines
12 KiB
C++
323 lines
12 KiB
C++
/***************************************************************************
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* This file is part of awesome-widgets *
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* *
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* awesome-widgets is free software: you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* awesome-widgets is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with awesome-widgets. If not, see http://www.gnu.org/licenses/ *
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***************************************************************************/
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#include "awdataaggregator.h"
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#include <KI18n/KLocalizedString>
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#include <QBuffer>
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#include <QGraphicsScene>
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#include <QGraphicsView>
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#include <QPixmap>
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#include <cmath>
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#include "awactions.h"
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#include "awdebug.h"
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AWDataAggregator::AWDataAggregator(QObject *parent)
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: QObject(parent)
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{
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qCDebug(LOG_AW) << __PRETTY_FUNCTION__;
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m_boundaries[QString("cpuTooltip")] = 100.0;
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m_boundaries[QString("cpuclTooltip")] = 4000.0;
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m_boundaries[QString("memTooltip")] = 100.0;
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m_boundaries[QString("swapTooltip")] = 100.0;
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m_boundaries[QString("downkbTooltip")] = 1.0;
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m_boundaries[QString("upkbTooltip")] = 1.0;
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m_boundaries[QString("batTooltip")] = 100.0;
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initScene();
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connect(this, SIGNAL(updateData(const QVariantHash &)), this,
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SLOT(dataUpdate(const QVariantHash &)));
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}
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AWDataAggregator::~AWDataAggregator()
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{
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qCDebug(LOG_AW) << __PRETTY_FUNCTION__;
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delete m_toolTipScene;
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}
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QList<float> AWDataAggregator::getData(const QString &key) const
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{
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qCDebug(LOG_AW) << "Key" << key;
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return m_values[QString("%1Tooltip").arg(key)];
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}
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QString AWDataAggregator::htmlImage(const QPixmap &source) const
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{
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QByteArray byteArray;
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QBuffer buffer(&byteArray);
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source.save(&buffer, "PNG");
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return byteArray.isEmpty()
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? QString()
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: QString("<img src=\"data:image/png;base64,%1\"/>")
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.arg(QString(byteArray.toBase64()));
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}
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void AWDataAggregator::setParameters(const QVariantMap &settings)
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{
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qCDebug(LOG_AW) << "Settings" << settings;
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// cast from QVariantMap to QVariantHash without data lost
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m_configuration = qvariant_cast<QVariantHash>(settings);
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m_enablePopup = m_configuration[QString("notify")].toBool();
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m_counts = 0;
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m_counts += m_configuration[QString("cpuTooltip")].toInt();
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m_counts += m_configuration[QString("cpuclTooltip")].toInt();
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m_counts += m_configuration[QString("memTooltip")].toInt();
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m_counts += m_configuration[QString("swapTooltip")].toInt();
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m_counts += m_configuration[QString("downkbTooltip")].toInt();
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m_counts += m_configuration[QString("batTooltip")].toInt();
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// resize tooltip image
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m_toolTipView->resize(100 * m_counts, 105);
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requiredKeys.clear();
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if (m_configuration[QString("cpuTooltip")].toBool())
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requiredKeys.append(QString("cpuTooltip"));
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if (m_configuration[QString("cpuclTooltip")].toBool())
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requiredKeys.append(QString("cpuclTooltip"));
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if (m_configuration[QString("memTooltip")].toBool())
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requiredKeys.append(QString("memTooltip"));
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if (m_configuration[QString("swapTooltip")].toBool())
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requiredKeys.append(QString("swapTooltip"));
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if (m_configuration[QString("downkbTooltip")].toBool())
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requiredKeys.append(QString("downkbTooltip"));
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if (m_configuration[QString("upkbTooltip")].toBool())
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requiredKeys.append(QString("upkbTooltip"));
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if (m_configuration[QString("batTooltip")].toBool())
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requiredKeys.append(QString("batTooltip"));
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// background
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m_toolTipScene->setBackgroundBrush(
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m_configuration[QString("useTooltipBackground")].toBool()
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? QBrush(QColor(
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m_configuration[QString("tooltipBackground")].toString()))
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: QBrush(Qt::NoBrush));
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}
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QPixmap AWDataAggregator::tooltipImage()
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{
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// create image
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m_toolTipScene->clear();
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QPen pen;
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bool down = false;
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for (auto &key : requiredKeys) {
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// create frame
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float normX = 100.0f / static_cast<float>(m_values[key].count());
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float normY = 100.0f / (1.5f * m_boundaries[key]);
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float shift = requiredKeys.indexOf(key) * 100.0f;
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if (down)
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shift -= 100.0;
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// apply pen color
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if (key != QString("batTooltip"))
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pen.setColor(QColor(
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m_configuration[QString("%1Color").arg(key)].toString()));
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// paint data inside frame
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for (int j = 0; j < m_values[key].count() - 1; j++) {
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// some magic here
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float x1 = j * normX + shift;
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float y1 = -std::fabs(m_values[key].at(j)) * normY + 5.0f;
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float x2 = (j + 1) * normX + shift;
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float y2 = -std::fabs(m_values[key].at(j + 1)) * normY + 5.0f;
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if (key == QString("batTooltip")) {
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if (m_values[key].at(j + 1) > 0)
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pen.setColor(
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QColor(m_configuration[QString("batTooltipColor")]
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.toString()));
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else
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pen.setColor(
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QColor(m_configuration[QString("batInTooltipColor")]
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.toString()));
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}
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m_toolTipScene->addLine(x1, y1, x2, y2, pen);
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}
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if (key == QString("downkbTooltip"))
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down = true;
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}
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return m_toolTipView->grab();
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}
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void AWDataAggregator::dataUpdate(const QVariantHash &values)
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{
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// do not log these arguments
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setData(values);
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emit(toolTipPainted(htmlImage(tooltipImage())));
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}
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void AWDataAggregator::checkValue(const QString &source, const float value,
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const float extremum) const
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{
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qCDebug(LOG_AW) << "Notification source" << source << "with value" << value
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<< "called with extremum" << extremum;
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if (value >= 0.0) {
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if ((m_enablePopup) && (value > extremum)
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&& (m_values[source].last() < extremum))
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return AWActions::sendNotification(QString("event"),
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notificationText(source, value));
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} else {
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if ((m_enablePopup) && (value < extremum)
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&& (m_values[source].last() > extremum))
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return AWActions::sendNotification(QString("event"),
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notificationText(source, value));
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}
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}
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void AWDataAggregator::checkValue(const QString &source, const QString ¤t,
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const QString &received) const
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{
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qCDebug(LOG_AW) << "Notification source" << source << "with current value"
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<< current << "and received one" << received;
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if ((m_enablePopup) && (current != received) && (!received.isEmpty()))
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return AWActions::sendNotification(QString("event"),
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notificationText(source, received));
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}
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void AWDataAggregator::initScene()
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{
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m_toolTipScene = new QGraphicsScene(nullptr);
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m_toolTipView = new QGraphicsView(m_toolTipScene);
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m_toolTipView->setStyleSheet(QString("background: transparent"));
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m_toolTipView->setContentsMargins(0, 0, 0, 0);
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m_toolTipView->setFrameShape(QFrame::NoFrame);
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m_toolTipView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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m_toolTipView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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}
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QString AWDataAggregator::notificationText(const QString &source,
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const float value) const
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{
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qCDebug(LOG_AW) << "Notification source" << source << "with value" << value;
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QString output;
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if (source == QString("batTooltip"))
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output = value > 0.0 ? i18n("AC online") : i18n("AC offline");
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else if (source == QString("cpuTooltip"))
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output = i18n("High CPU load");
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else if (source == QString("memTooltip"))
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output = i18n("High memory usage");
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else if (source == QString("swapTooltip"))
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output = i18n("Swap is used");
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else if (source == QString("gpu"))
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output = i18n("High GPU load");
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return output;
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}
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QString AWDataAggregator::notificationText(const QString &source,
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const QString &value) const
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{
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qCDebug(LOG_AW) << "Notification source" << source << "with value" << value;
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QString output;
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if (source == QString("netdev"))
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output = i18n("Network device has been changed to %1", value);
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return output;
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}
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void AWDataAggregator::setData(const QVariantHash &values)
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{
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// do not log these arguments
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// battery update requires info is AC online or not
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setData(values[QString("ac")].toString()
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== m_configuration[QString("acOnline")],
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QString("batTooltip"), values[QString("bat")].toFloat());
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// usual case
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setData(QString("cpuTooltip"), values[QString("cpu")].toFloat(), 90.0);
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setData(QString("cpuclTooltip"), values[QString("cpucl")].toFloat());
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setData(QString("memTooltip"), values[QString("mem")].toFloat(), 80.0);
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setData(QString("swapTooltip"), values[QString("swap")].toFloat(), 0.0);
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setData(QString("downkbTooltip"), values[QString("downkb")].toFloat());
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setData(QString("upkbTooltip"), values[QString("upkb")].toFloat());
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// additional check for network device
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[this](const QString value) {
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checkValue(QString("netdev"), m_currentNetworkDevice, value);
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m_currentNetworkDevice = value;
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}(values[QString("netdev")].toString());
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// additional check for GPU load
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[this](const float value) {
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checkValue(QString("gpu"), value, 90.0);
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m_currentGPULoad = value;
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}(values[QString("gpu")].toFloat());
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}
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void AWDataAggregator::setData(const QString &source, float value,
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const float extremum)
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{
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qCDebug(LOG_AW) << "Source" << source << "to value" << value
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<< "with extremum" << extremum;
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if (m_values[source].count() == 0)
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m_values[source].append(0.0);
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else if (m_values[source].count()
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> m_configuration[QString("tooltipNumber")].toInt())
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m_values[source].removeFirst();
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if (std::isnan(value))
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value = 0.0;
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// notifications
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checkValue(source, value, extremum);
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m_values[source].append(value);
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if (source == QString("downkbTooltip")) {
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QList<float> netValues = m_values[QString("downkbTooltip")]
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+ m_values[QString("upkbTooltip")];
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// to avoid inf value of normY
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netValues << 1.0;
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m_boundaries[QString("downkbTooltip")]
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= 1.2f * *std::max_element(netValues.cbegin(), netValues.cend());
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m_boundaries[QString("upkbTooltip")]
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= m_boundaries[QString("downkbTooltip")];
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}
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}
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void AWDataAggregator::setData(const bool dontInvert, const QString &source,
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float value)
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{
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qCDebug(LOG_AW) << "Do not invert" << dontInvert << "value" << value
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<< "for source" << source;
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// invert values for different battery colours
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value = dontInvert ? value : -value;
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return setData(source, value, 0.0);
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}
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