Added KDE3 version of knetload

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/knetload@1091561 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 509 insertions, 0 deletions

diff --git a/knetload/statpopup.cpp b/knetload/statpopup.cpp
new file mode 100644
index 0000000..ef64c61
--- /dev/null
+++ b/knetload/statpopup.cpp
@@ -0,0 +1,509 @@
+
+/***************************************************************************
+ *                                                                         *
+ *   KCPULoad and KNetLoad are copyright (c) 1999-2000, Markus Gustavsson  *
+ *                                       (c) 2002, Ben Burton              *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "icontoggleaction.h"
+#include "speeddialog.h"
+#include "statdock.h"
+#include "statpopup.h"
+
+#include <qpainter.h>
+#include <qtimer.h>
+#include <kaction.h>
+#include <kcolordialog.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <kglobal.h>
+#include <khelpmenu.h>
+#include <kiconloader.h>
+#include <klocale.h>
+#include <kpopupmenu.h>
+#include <kwin.h>
+
+#define DEFAULT_SPEED 1000
+#define TEXT_EXPANSION_HORIZONTAL 10
+#define TEXT_EXPANSION_VERTICAL 3
+
+const QColor StatPopup::colorBorder(0, 0, 0);
+
+StatPopup::StatPopup(bool useSupportSplit, QWidget *parent, const char *name) :
+        QWidget(parent, name, Qt::WStyle_Customize | Qt::WStyle_NoBorder |
+        Qt::WStyle_StaysOnTop | Qt::WDestructiveClose | Qt::WType_TopLevel),
+        supportSplit(useSupportSplit) {
+    // Window management.
+    KWin::setState(winId(), NET::SkipTaskbar | NET::SkipPager);
+
+    // TODO: Get all-desktops working, even after a hide/reshow.
+    //KWin::setOnAllDesktops(winId(), true);
+
+    // Basic variable initialisation.
+    relX = relY = 0;
+    dock[0] = dock[1] = 0;
+    isDragged = closing = false;
+
+    // Initialise the text contents of this pop-up.
+    fullReading = i18n("Inactive.");
+    resizeToText();
+
+    // Prepare for actions and the config file, but don't actually add
+    // any actions or read the configuration.
+    config = KGlobal::config();
+    coll = new KActionCollection(this);
+
+    // Set up a timer for our periodic updates.
+    timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(takeReading()));
+}
+
+StatPopup::~StatPopup() {
+}
+
+void StatPopup::readPopupState() {
+    config->setGroup("Popup Options");
+
+    // Read the position.
+    int useX = config->readNumEntry("PopupX", 0);
+    int useY = config->readNumEntry("PopupY", 0);
+    if (useX || useY)
+        move(useX, useY);
+
+    // Show the pop-up if appropriate.
+    if (config->readBoolEntry("PopupActive", false))
+        show();
+    else
+        hide();
+}
+
+void StatPopup::savePopupState() {
+    config->setGroup("Popup Options");
+    config->writeEntry("PopupActive", isVisible());
+    config->writeEntry("PopupX", x());
+    config->writeEntry("PopupY", y());
+    config->sync();
+}
+
+void StatPopup::initDock(StatDock* target, KPopupMenu* menu, int whichDock) {
+    // Initialise the menus.
+    actActive->plug(menu);
+    actClearHistory->plug(menu);
+    menu->insertSeparator();
+    actSpeed->plug(menu);
+    if (supportSplit)
+        actSplit->plug(menu);
+    menu->insertSeparator();
+
+    insertCustomItems(menu);
+
+    KPopupMenu* fillMenu = new KPopupMenu(menu);
+    actFillLines->plug(fillMenu);
+    actFillBars->plug(fillMenu);
+    actFillShaded->plug(fillMenu);
+    menu->insertItem(SmallIcon("style"), i18n("St&yle"), fillMenu);
+
+    actSoft->plug(menu);
+    actLabelled->plug(menu);
+    actGrid->plug(menu);
+    actColor0->plug(menu);
+    actColor1->plug(menu);
+    menu->insertSeparator();
+    menu->insertItem(SmallIcon("help"), i18n("&Help"),
+        (new KHelpMenu(0, KGlobal::instance()->aboutData(), false))->menu());
+
+    // Set up display properties for the dock.
+    target->setActive(actActive->isChecked());
+    target->setSplit(isSplit());
+    target->setFill(fillStyle);
+    target->setSoft(actSoft->isChecked());
+    target->setLabelled(actLabelled->isChecked());
+    target->setGrid(actGrid->isChecked());
+    if (whichDock == 0) {
+        target->setColor(color[0]);
+        actColor0->setEnabled(true);
+    } else if (whichDock == 1) {
+        target->setColor(color[1]);
+        actColor1->setEnabled(true);
+    }
+    setCustomProperties(target);
+}
+
+void StatPopup::cleanUpDock(int whichDock) {
+    if (whichDock == 0)
+        actColor0->setEnabled(false);
+    else if (whichDock == 1)
+        actColor1->setEnabled(false);
+}
+
+bool StatPopup::isActive() const {
+    return actActive->isChecked();
+}
+
+bool StatPopup::isSplit() const {
+    return (supportSplit ? actSplit->isChecked() : false);
+}
+
+void StatPopup::setActive(bool set) {
+    if (set)
+        startUpdates();
+    else
+        stopUpdates();
+
+    if (dock[0])
+        dock[0]->setActive(set);
+    if (dock[1])
+        dock[1]->setActive(set);
+
+    config->setGroup("General Options");
+    config->writeEntry("Active", set);
+    config->sync();
+}
+
+void StatPopup::clearHistory() {
+    if (dock[0])
+        dock[0]->clearHistory();
+    if (dock[1])
+        dock[1]->clearHistory();
+}
+
+void StatPopup::selectSpeed() {
+    SpeedDialog dlg(speed, firstDock());
+    if (dlg.exec()) {
+        int newSpeed = dlg.getSpeed();
+        if (newSpeed > 0) {
+            speed = newSpeed;
+            if (timer->isActive())
+                timer->changeInterval(speed);
+
+            config->setGroup("General Options");
+            config->writeEntry("Speed", speed);
+            config->sync();
+        }
+    }
+}
+
+void StatPopup::setSplit(bool set) {
+    if (! supportSplit)
+        return;
+
+    if (dock[0])
+        dock[0]->setSplit(set);
+    if (dock[1])
+        dock[1]->setSplit(set);
+
+    requestResize();
+
+    config->setGroup("General Options");
+    config->writeEntry("Split", set);
+    config->sync();
+}
+
+void StatPopup::setFillLines() {
+    fillStyle = StatDock::fillLines;
+
+    actFillLines->setChecked(true);
+    actFillBars->setChecked(false);
+    actFillShaded->setChecked(false);
+
+    if (dock[0])
+        dock[0]->setFill(StatDock::fillLines);
+    if (dock[1])
+        dock[1]->setFill(StatDock::fillLines);
+
+    config->setGroup("General Options");
+    config->writeEntry("StyleID", StatDock::fillLines);
+    config->sync();
+}
+
+void StatPopup::setFillBars() {
+    fillStyle = StatDock::fillBars;
+
+    actFillLines->setChecked(false);
+    actFillBars->setChecked(true);
+    actFillShaded->setChecked(false);
+
+    if (dock[0])
+        dock[0]->setFill(StatDock::fillBars);
+    if (dock[1])
+        dock[1]->setFill(StatDock::fillBars);
+
+    config->setGroup("General Options");
+    config->writeEntry("StyleID", StatDock::fillBars);
+    config->sync();
+}
+
+void StatPopup::setFillShaded() {
+    fillStyle = StatDock::fillShaded;
+
+    actFillLines->setChecked(false);
+    actFillBars->setChecked(false);
+    actFillShaded->setChecked(true);
+
+    if (dock[0])
+        dock[0]->setFill(StatDock::fillShaded);
+    if (dock[1])
+        dock[1]->setFill(StatDock::fillShaded);
+
+    config->setGroup("General Options");
+    config->writeEntry("StyleID", StatDock::fillShaded);
+    config->sync();
+}
+
+void StatPopup::setSoft(bool set) {
+    if (dock[0])
+        dock[0]->setSoft(set);
+    if (dock[1])
+        dock[1]->setSoft(set);
+
+    config->setGroup("General Options");
+    config->writeEntry("Soft", set);
+    config->sync();
+}
+
+void StatPopup::setLabelled(bool set) {
+    if (dock[0])
+        dock[0]->setLabelled(set);
+    if (dock[1])
+        dock[1]->setLabelled(set);
+
+    config->setGroup("General Options");
+    config->writeEntry("Labelled", set);
+    config->sync();
+}
+
+void StatPopup::setGrid(bool set) {
+    if (dock[0])
+        dock[0]->setGrid(set);
+    if (dock[1])
+        dock[1]->setGrid(set);
+
+    config->setGroup("General Options");
+    config->writeEntry("Grid", set);
+    config->sync();
+}
+
+void StatPopup::selectColor0() {
+    if (dock[0]) {
+        QColor ans;
+        if (KColorDialog::getColor(ans, color[0], firstDock()) ==
+                QDialog::Accepted) {
+            color[0] = ans;
+            dock[0]->setColor(ans);
+
+            config->setGroup("General Options");
+            config->writeEntry("Color0", ans);
+            config->sync();
+        }
+    }
+}
+
+void StatPopup::selectColor1() {
+    if (dock[1]) {
+        QColor ans;
+        if (KColorDialog::getColor(ans, color[1], firstDock()) ==
+                QDialog::Accepted) {
+            color[1] = ans;
+            dock[1]->setColor(ans);
+
+            config->setGroup("General Options");
+            config->writeEntry("Color1", ans);
+            config->sync();
+        }
+    }
+}
+
+StatDock* StatPopup::firstDock() {
+    if (dock[0])
+        return dock[0];
+    else
+        return dock[1];
+}
+
+void StatPopup::startUpdates() {
+    takeReading();
+    timer->start(speed);
+}
+
+void StatPopup::stopUpdates() {
+    timer->stop();
+    fullReading = i18n("Inactive.");
+}
+
+void StatPopup::setupActions() {
+    config->setGroup("General Options");
+    bool bVal;
+    int iVal;
+
+    bVal = config->readBoolEntry("Active", true);
+    actActive = new KToggleAction(i18n("&Active"), 0, coll, "active");
+    actActive->setChecked(bVal);
+    connect(actActive, SIGNAL(toggled(bool)), this, SLOT(setActive(bool)));
+
+    actClearHistory = new KAction(i18n("&Clear"), "editdelete", 0,
+        this, SLOT(clearHistory()), coll, "clear");
+
+    speed = config->readNumEntry("Speed", DEFAULT_SPEED);
+    actSpeed = new KAction(i18n("&Speed..."), "speedarrow", 0,
+        this, SLOT(selectSpeed()), coll, "speed");
+
+    if (supportSplit) {
+        bVal = config->readBoolEntry("Split", true);
+        actSplit = new IconToggleAction(i18n("Sp&lit Graph"), "split",
+            i18n("Graph Sp&litting Enabled"), "spliton", 0, coll, "split");
+        actSplit->setChecked(bVal);
+        connect(actSplit, SIGNAL(toggled(bool)), this, SLOT(setSplit(bool)));
+    }
+
+    iVal = config->readNumEntry("StyleID", StatDock::fillShaded);
+    actFillLines = new IconToggleAction(i18n("&Lines"), "lines", "lineson", 0,
+        this, SLOT(setFillLines()), coll, "filllines");
+    actFillBars = new IconToggleAction(i18n("&Bars"), "bars", "barson", 0,
+        this, SLOT(setFillBars()), coll, "fillbars");
+    actFillShaded = new IconToggleAction(i18n("&Shaded"), "shaded", "shadedon",
+        0, this, SLOT(setFillShaded()), coll, "fillshaded");
+    if (iVal == StatDock::fillLines)
+        setFillLines();
+    else if (iVal == StatDock::fillBars)
+        setFillBars();
+    else
+        setFillShaded();
+
+    bVal = config->readBoolEntry("Soft", false);
+    actSoft = new IconToggleAction(i18n("So&ft Curves"), "soft",
+        i18n("So&ft Curves Enabled"), "softon", 0, coll, "soft");
+    actSoft->setChecked(bVal);
+    connect(actSoft, SIGNAL(toggled(bool)), this, SLOT(setSoft(bool)));
+
+    bVal = config->readBoolEntry("Labelled", true);
+    actLabelled= new IconToggleAction(i18n("Show &Labels"), "labels",
+        i18n("&Labels Enabled"), "labelson", 0, coll, "labelled");
+    actLabelled->setChecked(bVal);
+    connect(actLabelled, SIGNAL(toggled(bool)), this, SLOT(setLabelled(bool)));
+
+    bVal = config->readBoolEntry("Grid", true);
+    actGrid = new IconToggleAction(i18n("Show &Grid"), "grid",
+        i18n("&Grid Enabled"), "gridon", 0, coll, "grid");
+    actGrid->setChecked(bVal);
+    connect(actGrid, SIGNAL(toggled(bool)), this, SLOT(setGrid(bool)));
+
+    color[0] = defaultDockColor(0);
+    color[0] = config->readColorEntry("Color0", color);
+    actColor0 = new KAction(QString(i18n("Color (%1)...")).arg(dockName(0)),
+        "color0", 0, this, SLOT(selectColor0()), coll, "color0");
+    actColor0->setEnabled(false);
+
+    color[1] = defaultDockColor(1);
+    color[1] = config->readColorEntry("Color1", color + 1);
+    actColor1 = new KAction(QString(i18n("Color (%1)...")).arg(dockName(1)),
+        "color1", 0, this, SLOT(selectColor1()), coll, "color1");
+    actColor1->setEnabled(false);
+
+    setupCustomActions();
+}
+
+void StatPopup::paintEvent(QPaintEvent*) {
+    QPainter p(this);
+
+    // Draw the border.
+    p.setPen(colorBorder);
+    p.drawLine(0, 0, width(), 0);
+    p.drawLine(0, 1, width(), 1);
+    p.drawLine(0, 2, 0, height());
+    p.drawLine(1, 2, 1, height());
+    p.drawLine(width() - 2, 2, width() - 2, height());
+    p.drawLine(width() - 1, 2, width() - 1, height());
+    p.drawLine(2, height() - 2, width() - 2, height() - 2);
+    p.drawLine(2, height() - 1, width() - 2, height() - 1);
+
+    // Draw the text.
+    p.setFont(font());
+    p.setPen(colorGroup().foreground());
+    p.drawText(rect(), AlignHCenter | AlignVCenter, fullReading);
+}
+
+void StatPopup::mousePressEvent(QMouseEvent* e) {
+    if(e->button() == RightButton) {
+        // Hide the pop-up.
+        hide();
+    } else {
+        // Begin a drag operation.
+        isDragged = true;
+        relX = e->x();
+        relY = e->y();
+        repaint();
+    }
+}
+
+void StatPopup::mouseMoveEvent(QMouseEvent* e) {
+    // In the middle of a drag operation.
+    move(e->globalX() - relX, e->globalY() - relY);
+}
+
+void StatPopup::mouseReleaseEvent(QMouseEvent* e) {
+    // The end of a drag operation.
+    move(e->globalX() - relX, e->globalY() - relY);
+    isDragged = false;
+    repaint();
+}
+
+void StatPopup::closeEvent(QCloseEvent* e) {
+    // We're about to close.  Save the current state for the last time.
+    savePopupState();
+    closing = true;
+    QWidget::closeEvent(e);
+}
+
+void StatPopup::hideEvent(QHideEvent* e) {
+    // We're about to hide.  Save the current state if we're not
+    // closing altogether.
+    if (! closing)
+        savePopupState();
+    QWidget::hideEvent(e);
+}
+
+void StatPopup::showEvent(QShowEvent* e) {
+    // Make sure we're up-to-date and properly resized.
+    if (isActive())
+        takeReading();
+    else
+        resizeToText();
+
+    QWidget::showEvent(e);
+}
+
+void StatPopup::takeReading() {
+    takeReadingInternal();
+
+    if (dock[0])
+        dock[0]->addPercentReading(upper[0], lower[0]);
+    if (dock[1])
+        dock[1]->addPercentReading(upper[1], lower[1]);
+
+    if (isVisible()) {
+        // Only resize if the pop-up is visible; otherwise fullReading
+        // might be stale anyway so we'll do it when we show the pop-up.
+        if (resizeRequested)
+            resizeToText();
+
+        repaint();
+    }
+}
+
+void StatPopup::resizeToText() {
+    resizeRequested = false;
+
+    QSize size = fontMetrics().size(0, fullReading);
+    resize(size.width() + 2 * TEXT_EXPANSION_HORIZONTAL,
+        size.height() + 2 * TEXT_EXPANSION_VERTICAL);
+    repaint();
+}
+
+
+#include "statpopup.moc"