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/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 258 insertions, 0 deletions

diff --git a/ksysguard/gui/SensorDisplayLib/MultiMeter.cc b/ksysguard/gui/SensorDisplayLib/MultiMeter.cc
new file mode 100644
index 000000000..14e805b9d
--- /dev/null
+++ b/ksysguard/gui/SensorDisplayLib/MultiMeter.cc
@@ -0,0 +1,258 @@
+/*
+    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);
+}