Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 435 insertions, 0 deletions

diff --git a/kicker-applets/ktimemon/timemon.cc b/kicker-applets/ktimemon/timemon.cc
new file mode 100644
index 0000000..84b0e79
--- /dev/null
+++ b/kicker-applets/ktimemon/timemon.cc
@@ -0,0 +1,435 @@
+
+/**********************************************************************/
+/*   TimeMon (c)  1994  Helmut Maierhofer                             */
+/*   KDE-ified M. Maierhofer 1998                                     */
+/*   maintained by Dirk A. Mueller <mueller@kde.org>                  */
+/**********************************************************************/
+
+/*
+ * timemon.h
+ *
+ * Definitions for the timemon widget.
+ */
+
+#include <config.h>
+
+#include <qpainter.h>
+#include <qtimer.h>
+#include <qtooltip.h>
+
+#include <kconfig.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <khelpmenu.h>
+#include <kpopupmenu.h>
+#include <kprocess.h>
+#include <kmessagebox.h>
+#include <kdebug.h>
+
+#include "timemon.h"
+#include "confdlg.h"
+#include "sample.h"
+
+#include "timemon.moc"
+#include <stdio.h>
+
+extern "C"
+{
+    KDE_EXPORT KPanelApplet* init(QWidget *parent, const QString& configFile)
+    {
+        KGlobal::locale()->insertCatalogue("ktimemon");
+        KTimeMon *mon = new KTimeMon(configFile, KPanelApplet::Normal,
+                                     KPanelApplet::Preferences, parent, "ktimemon");
+        return mon;
+    }
+}
+
+// Update colour settings with the new ones from the config dialog.
+void KTimeMon::updateConfig(KConfDialog *d)
+{
+    kernelColour = d->getKernelColour();
+    userColour = d->getUserColour();
+    iowaitColour = d->getIOWaitColour();
+    niceColour = d->getNiceColour();
+    cachedColour = d->getCachedColour();
+    usedColour = d->getUsedColour();
+    buffersColour = d->getBuffersColour();
+    mkernelColour = d->getMKernelColour();
+    swapColour = d->getSwapColour();
+    bgColour = d->getBgColour();
+}
+
+// -----------------------------------------------------------------------------
+// some KPanelApplet API functions
+
+int KTimeMon::widthForHeight(int height) const
+{
+    int s = (int) (vertical ? 2/3.*height : height);
+    return s>=18? s : 18;
+}
+
+
+int KTimeMon::heightForWidth(int width) const
+{
+    int s = (int) (vertical ? width : 2/3.*width);
+    return s>=18? s : 18;
+}
+
+void KTimeMon::preferences()
+{
+    configure();
+}
+
+
+// -----------------------------------------------------------------------------
+// Repaint the object; get the current sample and paint the bar graphs
+// correspondingly. Use a pixmap to minimise flicker.
+
+void KTimeMon::paintEvent(QPaintEvent *)
+{
+    int w, h, x, y, b, r;
+
+    w = vertical ? width() : height();
+    h = vertical ? height() : width();
+
+    r = w;  // remaining height
+
+    x = 0;
+
+    KSample::Sample s;
+
+    if (sample != 0)
+        s = sample->getSample(h);
+    else
+        s.fill(h);
+
+    QPixmap pixmap(width(), height());
+    pixmap.fill(this, 0, 0);
+
+    QPainter painter(&pixmap);
+
+    b = r / 3;            // bar width
+    r -= b;
+
+    if (bgColour != colorGroup().background())
+    {
+        paintRect(x, 0, b, h, bgColour, &painter);
+    }
+
+    y = h - s.kernel; paintRect(x, y, b, s.kernel, kernelColour, &painter);
+    y -= s.iowait; paintRect(x, y, b, s.iowait, iowaitColour, &painter);
+    y -= s.user; paintRect(x, y, b, s.user, userColour, &painter);
+    y -= s.nice; paintRect(x, y, b, s.nice, niceColour, &painter);
+
+    x += b;
+    b = r / 2;
+    r -= b;
+
+    if (bgColour != colorGroup().background())
+    {
+        paintRect(x, 0, b, h, bgColour, &painter);
+    }
+
+    y = h - s.mkernel; paintRect(x, y, b, s.mkernel, mkernelColour, &painter);
+    y -= s.used; paintRect(x, y, b, s.used, usedColour, &painter);
+    y -= s.buffers; paintRect(x, y, b, s.buffers, buffersColour, &painter);
+    y -= s.cached; paintRect(x, y, b, s.cached, cachedColour, &painter);
+
+    x += b;
+    b = r;
+
+    if (bgColour != colorGroup().background())
+    {
+        paintRect(x, 0, b, h, bgColour, &painter);
+    }
+
+    y = h - s.sused; paintRect(x, y, b, s.sused, swapColour, &painter);
+    painter.end();
+
+    bitBlt(this, 0, 0, &pixmap);
+}
+
+// -----------------------------------------------------------------------------
+// Draw part of a bar, depending on the bar orientation.
+
+void KTimeMon::paintRect(int x, int y, int w, int h, QColor c, QPainter *p)
+{
+    if (vertical)
+        p->fillRect(x, y, w, h, c);
+    else
+        p->fillRect(width() - y - h, x, h, w, c);
+}
+
+// Show a tool-tip with some status information.
+void KTimeMon::maybeTip(const QPoint& p)
+{
+    if (sample == 0) return;    // no associated sample...
+    if(!rect().contains(p)) return;
+
+    KSample::Sample s = sample->getSample(100); // scale to 100(%)
+    int idle = 100 - s.kernel - s.user - s.nice;
+    if ( idle < 0 )
+        idle = 0;
+    QString str = i18n("cpu: %1% idle\nmem: %2 MB %3% free\nswap: %4 MB %5% free")
+                .arg(idle)
+                .arg(KGlobal::locale()->formatNumber(s.used/100.*s.mtotal, 0))
+                .arg(100-s.used)
+                .arg(KGlobal::locale()->formatNumber(s.stotal, 0))
+                .arg(100-s.sused);
+
+    tip(rect(), str);
+}
+
+// -- KTimeMon definition ------------------------------------------------
+
+// Initialise the member variables, read the configuration data base,
+// set up the widget, and start the timer.
+KTimeMon::KTimeMon(const QString& configFile, Type type, int actions,
+               QWidget *parent, const char *name)
+    : KPanelApplet(configFile, type, actions, parent, name, WRepaintNoErase), QToolTip(this),
+    configDialog(0), bgProcess(0),
+    kernelColour("red1"), userColour("blue"),
+    niceColour("yellow"), iowaitColour("darkgreen"),
+    usedColour("blue1"), buffersColour("yellow"),
+    cachedColour("darkgreen"), mkernelColour("red1"),
+    swapColour("cyan3"), bgColour(colorGroup().background())
+{
+    mouseAction[0] = NOTHING;
+    mouseAction[1] = NOTHING;
+    mouseAction[2] = MENU;
+
+    KConfig* conf = config();
+    conf->setGroup("Parameters");
+    interval = conf->readUnsignedNumEntry("Interval", 500);
+    autoScale = conf->readBoolEntry("AutoScale", true);
+
+    pageScale = conf->readUnsignedNumEntry("PageScale", 10);
+    swapScale = conf->readUnsignedNumEntry("SwapScale", 5);
+    ctxScale = conf->readUnsignedNumEntry("ContextScale", 300);
+    for (int i = 0; i < MAX_MOUSE_ACTIONS; i++) {
+        QString n;
+        n.setNum(i);
+
+        mouseAction[i] = (MouseAction)
+            conf->readUnsignedNumEntry(QString("MouseAction")+n, mouseAction[i]);
+        mouseActionCommand[i] = conf->readPathEntry(QString("MouseActionCommand")+n);
+    }
+
+    conf->setGroup("Interface");
+    kernelColour = conf->readColorEntry("KernelColour", &kernelColour);
+    userColour = conf->readColorEntry("UserColour", &userColour);
+    niceColour = conf->readColorEntry("NiceColour", &niceColour);
+    iowaitColour = conf->readColorEntry("IOWaitColour", &iowaitColour);
+    cachedColour = conf->readColorEntry("CachedColour", &cachedColour);
+    usedColour = conf->readColorEntry("UsedColour", &usedColour);
+    buffersColour = conf->readColorEntry("BuffersColour", &buffersColour);
+    swapColour = conf->readColorEntry("SwapColour", &swapColour);
+    mkernelColour = conf->readColorEntry("MKernelColour", &mkernelColour);
+    bgColour = conf->readColorEntry("BgColour", &bgColour);
+
+    vertical = conf->readBoolEntry("Vertical", true);
+
+    timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(timeout()));
+    timer->start(interval);
+
+    sample = new KSample(this, autoScale, pageScale, swapScale, ctxScale);
+
+    QString aboutmsg = i18n("KTimeMon for KDE\n"
+                          "Maintained by Dirk A. Mueller <dmuell@gmx.net>\n"
+                          "Written by M. Maierhofer (m.maierhofer@tees.ac.uk)\n"
+                          "Based on timemon by H. Maierhofer");
+
+    hmenu = new KHelpMenu(this, aboutmsg);
+    menu = new KPopupMenu(this);
+
+    menu->insertTitle( SmallIcon( "ktimemon" ), i18n( "System Monitor" ) ) ;
+    menu->insertItem(i18n("Horizontal Bars"), 4);
+    menu->insertItem(SmallIcon( "configure" ), i18n( "Preferences..." ), 2);
+    menu->insertSeparator();
+    menu->insertItem(SmallIcon( "help" ), i18n("Help"), hmenu->menu(), 1);
+
+    menu->connectItem(2, this, SLOT(configure()));
+    menu->connectItem(4, this, SLOT(orientation()));
+
+    menu->setCheckable(true);
+
+    vertical = !vertical;               // and similar for orientation
+    orientation();
+}
+
+// -----------------------------------------------------------------------------
+
+// delete the member variables
+KTimeMon::~KTimeMon()
+{
+    delete sample;
+    delete bgProcess;
+    KGlobal::locale()->removeCatalogue("ktimemon");
+}
+
+
+// Apply the settings from the configuration dialog and save them.
+void KTimeMon::apply()
+{
+    stop();
+    interval = configDialog->getInterval();
+    cont();
+
+    updateConfig(configDialog);
+
+    sample->setScaling(configDialog->getAutoScale(),
+                       configDialog->getPageScale(),
+                       configDialog->getSwapScale(),
+                       configDialog->getCtxScale());
+
+    for (int i = 0; i < MAX_MOUSE_ACTIONS; i++) {
+        mouseAction[i] = (MouseAction) configDialog->getMouseAction(i);
+        mouseActionCommand[i] = configDialog->getMouseActionCommand(i);
+    }
+
+    update();
+    writeConfiguration();
+}
+
+void KTimeMon::stop()
+{
+    timer->stop();
+}
+
+void KTimeMon::cont()
+{
+    timer->start(interval);
+}
+
+// Dump the current configuration entries to the data base.
+void KTimeMon::writeConfiguration()
+{
+    KConfig* conf = config();
+    conf->setGroup("Interface");
+    conf->writeEntry("KernelColour", kernelColour);
+    conf->writeEntry("UserColour", userColour);
+    conf->writeEntry("NiceColour", niceColour);
+    conf->writeEntry("IOWaitColour", iowaitColour);
+    conf->writeEntry("CachedColour", cachedColour);
+    conf->writeEntry("UsedColour", usedColour);
+    conf->writeEntry("BuffersColour", buffersColour);
+    conf->writeEntry("MKernelColour", mkernelColour);
+    conf->writeEntry("SwapColour", swapColour);
+    conf->writeEntry("BgColour", bgColour);
+    conf->writeEntry("Mode", true);
+    conf->writeEntry("Vertical", vertical);
+
+    conf->setGroup("Parameters");
+    conf->writeEntry("Interval", interval);
+    conf->writeEntry("AutoScale", autoScale);
+    conf->writeEntry("PageScale", pageScale);
+    conf->writeEntry("SwapScale", swapScale);
+    conf->writeEntry("ContextScale", ctxScale);
+    conf->writeEntry("WidgetSize", size());
+    for (int i = 0; i < MAX_MOUSE_ACTIONS; i++) {
+        QString n;
+        n.setNum(i);
+
+        conf->writeEntry(QString("MouseAction")+n, (unsigned)mouseAction[i]);
+        conf->writePathEntry(QString("MouseActionCommand")+n, mouseActionCommand[i]);
+    }
+    conf->sync();
+}
+
+// Make the KSample object update its internal sample and repaint the
+// object.
+void KTimeMon::timeout()
+{
+    sample->updateSample();
+    update();
+}
+
+// This is called when the session management strikes, and also when the
+// main program exits with a code of 0 (i.e. there was no error).
+void KTimeMon::save()
+{
+    writeConfiguration();
+}
+
+// -----------------------------------------------------------------------------
+// Update the configuration dialog with the current values and show it.
+
+void KTimeMon::configure()
+{
+    if (configDialog == 0) configDialog = new KConfDialog(this);
+    configDialog->update();
+    configDialog->show();
+}
+
+// -----------------------------------------------------------------------------
+// Change the orientation of the status bars
+
+void KTimeMon::orientation()
+{
+    vertical = !vertical;
+
+    KConfig* conf = config();
+    conf->setGroup("Interface");
+    conf->writeEntry("Vertical", vertical);
+
+    menu->setItemChecked(4, !vertical);
+
+    update();
+    emit updateLayout();
+}
+
+// Pop up the menu when the appropriate button has been pressed.
+void KTimeMon::mousePressEvent(QMouseEvent *event)
+{
+    if (event == 0) return;
+
+    int index = -1;
+    if (event->button() == LeftButton) index = 0;
+    else if (event->button() == MidButton) index = 1;
+    else if (event->button() == RightButton) index = 2;
+
+    if (index == -1) return;
+
+    switch (mouseAction[index]) {
+    case NOTHING:
+        break;
+    case SWITCH:
+        break;
+    case MENU:
+        menu->popup(mapToGlobal(event->pos()));
+    break;
+    case COMMAND:
+        runCommand(index);
+        break;
+    }
+}
+
+// Start the given command
+void KTimeMon::runCommand(int index)
+{
+    // just in case it still hangs around
+    delete bgProcess;
+
+    bgProcess = new KShellProcess;
+    *bgProcess << mouseActionCommand[index];
+    connect(bgProcess, SIGNAL(receivedStderr(KProcess *, char *, int)),
+            this, SLOT(commandStderr(KProcess *, char *, int)));
+    bgProcess->start(KProcess::DontCare, KProcess::Stderr);
+}
+
+// -----------------------------------------------------------------------------
+// Check if there is any diagnostic output (command not found or such)
+
+void KTimeMon::commandStderr(KProcess * /*proc*/, char *buffer, int /*length*/)
+{
+    QString msgbuf;
+
+    msgbuf  = i18n("Got diagnostic output from child command:\n\n");
+    msgbuf += QString::fromLocal8Bit(buffer);
+
+    KMessageBox::information(this, msgbuf);
+}
+
+
+// -----------------------------------------------------------------------------