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/*
KSysGuard, the KDE System Guard
Copyright (c) 1999, 2000, 2001 Chris Schlaeger <cs@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of version 2 of the GNU General Public
License 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 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.
KSysGuard is currently maintained by Chris Schlaeger <cs@kde.org>.
Please do not commit any changes without consulting me first. Thanks!
*/
#include <math.h>
#include <stdlib.h>
#include <qdom.h>
#include <qlcdnumber.h>
#include <qtooltip.h>
#include <kdebug.h>
#include <ksgrd/SensorManager.h>
#include <ksgrd/StyleEngine.h>
#include "MultiMeter.moc"
#include "MultiMeterSettings.h"
MultiMeter::MultiMeter(QWidget* parent, const char* name,
const QString& title, double, double, bool nf, bool isApplet)
: KSGRD::SensorDisplay(parent, name, title, nf, isApplet)
{
setShowUnit( true );
lowerLimit = upperLimit = 0;
lowerLimitActive = upperLimitActive = false;
normalDigitColor = KSGRD::Style->firstForegroundColor();
alarmDigitColor = KSGRD::Style->alarmColor();
if (noFrame())
lcd = new QLCDNumber(this, "meterLCD");
else
lcd = new QLCDNumber(frame(), "meterLCD");
Q_CHECK_PTR(lcd);
lcd->setSegmentStyle(QLCDNumber::Filled);
setDigitColor(KSGRD::Style->backgroundColor());
lcd->setSizePolicy(QSizePolicy(QSizePolicy::Expanding,
QSizePolicy::Expanding, false));
setBackgroundColor(KSGRD::Style->backgroundColor());
/* All RMB clicks to the lcd widget will be handled by
* SensorDisplay::eventFilter. */
lcd->installEventFilter(this);
setPlotterWidget(lcd);
setMinimumSize(5, 5);
setModified(false);
}
bool
MultiMeter::addSensor(const QString& hostName, const QString& sensorName,
const QString& sensorType, const QString& title)
{
if (sensorType != "integer" && sensorType != "float")
return (false);
registerSensor(new KSGRD::SensorProperties(hostName, sensorName, sensorType, title));
/* To differentiate between answers from value requests and info
* requests we use 100 for info requests. */
sendRequest(hostName, sensorName + "?", 100);
QToolTip::remove(lcd);
QToolTip::add(lcd, QString("%1:%2").arg(hostName).arg(sensorName));
setModified(true);
return (true);
}
void
MultiMeter::answerReceived(int id, const QString& answer)
{
/* We received something, so the sensor is probably ok. */
sensorError(id, false);
if (id == 100)
{
KSGRD::SensorIntegerInfo info(answer);
setUnit(KSGRD::SensorMgr->translateUnit(info.unit()));
}
else
{
double val = answer.toDouble();
int digits = (int) log10(val) + 1;
if (noFrame())
if (digits > 4)
lcd->setNumDigits(4);
else
lcd->setNumDigits(digits);
else
{
if (digits > 5)
lcd->setNumDigits(digits);
else
lcd->setNumDigits(5);
}
lcd->display(val);
if (lowerLimitActive && val < lowerLimit)
{
setDigitColor(alarmDigitColor);
}
else if (upperLimitActive && val > upperLimit)
{
setDigitColor(alarmDigitColor);
}
else
setDigitColor(normalDigitColor);
}
}
void
MultiMeter::resizeEvent(QResizeEvent*)
{
if (noFrame())
lcd->setGeometry(0, 0, width(), height());
else
frame()->setGeometry(0, 0, width(), height());
}
bool
MultiMeter::restoreSettings(QDomElement& element)
{
lowerLimitActive = element.attribute("lowerLimitActive").toInt();
lowerLimit = element.attribute("lowerLimit").toLong();
upperLimitActive = element.attribute("upperLimitActive").toInt();
upperLimit = element.attribute("upperLimit").toLong();
normalDigitColor = restoreColor(element, "normalDigitColor",
KSGRD::Style->firstForegroundColor());
alarmDigitColor = restoreColor(element, "alarmDigitColor",
KSGRD::Style->alarmColor());
setBackgroundColor(restoreColor(element, "backgroundColor",
KSGRD::Style->backgroundColor()));
addSensor(element.attribute("hostName"), element.attribute("sensorName"), (element.attribute("sensorType").isEmpty() ? "integer" : element.attribute("sensorType")), "");
SensorDisplay::restoreSettings(element);
setModified(false);
return (true);
}
bool
MultiMeter::saveSettings(QDomDocument& doc, QDomElement& element, bool save)
{
element.setAttribute("hostName", sensors().at(0)->hostName());
element.setAttribute("sensorName", sensors().at(0)->name());
element.setAttribute("sensorType", sensors().at(0)->type());
element.setAttribute("showUnit", showUnit());
element.setAttribute("lowerLimitActive", (int) lowerLimitActive);
element.setAttribute("lowerLimit", (int) lowerLimit);
element.setAttribute("upperLimitActive", (int) upperLimitActive);
element.setAttribute("upperLimit", (int) upperLimit);
saveColor(element, "normalDigitColor", normalDigitColor);
saveColor(element, "alarmDigitColor", alarmDigitColor);
saveColor(element, "backgroundColor", lcd->backgroundColor());
SensorDisplay::saveSettings(doc, element);
if (save)
setModified(false);
return (true);
}
void
MultiMeter::configureSettings()
{
mms = new MultiMeterSettings(this, "MultiMeterSettings");
Q_CHECK_PTR(mms);
mms->setTitle(title());
mms->setShowUnit(showUnit());
mms->setLowerLimitActive(lowerLimitActive);
mms->setLowerLimit(lowerLimit);
mms->setUpperLimitActive(upperLimitActive);
mms->setUpperLimit(upperLimit);
mms->setNormalDigitColor(normalDigitColor);
mms->setAlarmDigitColor(alarmDigitColor);
mms->setMeterBackgroundColor(lcd->backgroundColor());
connect(mms, SIGNAL(applyClicked()), SLOT(applySettings()));
if (mms->exec())
applySettings();
delete mms;
mms = 0;
}
void
MultiMeter::applySettings()
{
setShowUnit( mms->showUnit() );
setTitle(mms->title());
lowerLimitActive = mms->lowerLimitActive();
lowerLimit = mms->lowerLimit();
upperLimitActive = mms->upperLimitActive();
upperLimit = mms->upperLimit();
normalDigitColor = mms->normalDigitColor();
alarmDigitColor = mms->alarmDigitColor();
setBackgroundColor(mms->meterBackgroundColor());
repaint();
setModified(true);
}
void
MultiMeter::applyStyle()
{
normalDigitColor = KSGRD::Style->firstForegroundColor();
setBackgroundColor(KSGRD::Style->backgroundColor());
repaint();
setModified(true);
}
void
MultiMeter::setDigitColor(const QColor& col)
{
QPalette p = lcd->palette();
p.setColor(QColorGroup::Foreground, col);
lcd->setPalette(p);
}
void
MultiMeter::setBackgroundColor(const QColor& col)
{
lcd->setBackgroundColor(col);
QPalette p = lcd->palette();
p.setColor(QColorGroup::Light, col);
p.setColor(QColorGroup::Dark, col);
lcd->setPalette(p);
}
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