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, 353 insertions, 0 deletions

diff --git a/ksysguard/gui/SensorDisplayLib/DancingBars.cc b/ksysguard/gui/SensorDisplayLib/DancingBars.cc
new file mode 100644
index 000000000..48c360713
--- /dev/null
+++ b/ksysguard/gui/SensorDisplayLib/DancingBars.cc
@@ -0,0 +1,353 @@
+/*
+    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 <qcheckbox.h>
+#include <qdom.h>
+#include <qlineedit.h>
+#include <qlistview.h>
+#include <qpushbutton.h>
+#include <qspinbox.h>
+#include <qtooltip.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <knumvalidator.h>
+#include <ksgrd/SensorManager.h>
+#include <ksgrd/StyleEngine.h>
+
+#include "BarGraph.h"
+#include "DancingBarsSettings.h"
+
+#include "DancingBars.h"
+
+DancingBars::DancingBars( QWidget *parent, const char *name, const QString &title,
+                          int, int, bool noFrame_, bool isApplet )
+  : KSGRD::SensorDisplay( parent, name, title, noFrame_, isApplet )
+{
+  mBars = 0;
+  mFlags = QBitArray(100);
+  mFlags.fill( false );
+
+  if ( noFrame() )
+    mPlotter = new BarGraph( this );
+  else
+    mPlotter = new BarGraph( frame() );
+
+  setMinimumSize( sizeHint() );
+
+  /* All RMB clicks to the mPlotter widget will be handled by 
+   * SensorDisplay::eventFilter. */
+  mPlotter->installEventFilter( this );
+
+  setPlotterWidget( mPlotter );
+
+  setModified( false );
+}
+
+DancingBars::~DancingBars()
+{
+}
+
+void DancingBars::configureSettings()
+{
+  mSettingsDialog = new DancingBarsSettings( this );
+
+  mSettingsDialog->setTitle( title() );
+  mSettingsDialog->setMinValue( mPlotter->getMin() );
+  mSettingsDialog->setMaxValue( mPlotter->getMax() );
+
+  double l, u;
+  bool la, ua;
+  mPlotter->getLimits( l, la, u, ua );
+
+  mSettingsDialog->setUseUpperLimit( ua );
+  mSettingsDialog->setUpperLimit( u );
+
+  mSettingsDialog->setUseLowerLimit( la );
+  mSettingsDialog->setLowerLimit( l );
+
+  mSettingsDialog->setForegroundColor( mPlotter->normalColor );
+  mSettingsDialog->setAlarmColor( mPlotter->alarmColor );
+  mSettingsDialog->setBackgroundColor( mPlotter->backgroundColor );
+  mSettingsDialog->setFontSize( mPlotter->fontSize );
+
+  QValueList< QStringList > list;
+  for ( uint i = mBars - 1; i < mBars; i-- ) {
+    QStringList entry;
+    entry << sensors().at( i )->hostName();
+    entry << KSGRD::SensorMgr->translateSensor( sensors().at( i )->name() );
+    entry << mPlotter->footers[ i ];
+    entry << KSGRD::SensorMgr->translateUnit( sensors().at( i )->unit() );
+    entry << ( sensors().at( i )->isOk() ? i18n( "OK" ) : i18n( "Error" ) );
+
+    list.append( entry );
+  }
+  mSettingsDialog->setSensors( list );
+
+  connect( mSettingsDialog, SIGNAL( applyClicked() ), SLOT( applySettings() ) );
+
+  if ( mSettingsDialog->exec() )
+    applySettings();
+
+  delete mSettingsDialog;
+  mSettingsDialog = 0;
+}
+
+void DancingBars::applySettings()
+{
+  setTitle( mSettingsDialog->title() );
+  mPlotter->changeRange( mSettingsDialog->minValue(), mSettingsDialog->maxValue() );
+  mPlotter->setLimits( mSettingsDialog->useLowerLimit() ?
+                       mSettingsDialog->lowerLimit() : 0,
+                       mSettingsDialog->useLowerLimit(),
+                       mSettingsDialog->useUpperLimit() ?
+                       mSettingsDialog->upperLimit() : 0,
+                       mSettingsDialog->useUpperLimit() );
+
+  mPlotter->normalColor = mSettingsDialog->foregroundColor();
+  mPlotter->alarmColor = mSettingsDialog->alarmColor();
+  mPlotter->backgroundColor = mSettingsDialog->backgroundColor();
+  mPlotter->fontSize = mSettingsDialog->fontSize();
+
+  QValueList< QStringList > list = mSettingsDialog->sensors();
+  QValueList< QStringList >::Iterator it;
+
+  for ( uint i = 0; i < sensors().count(); i++ ) {
+    bool found = false;
+    for ( it = list.begin(); it != list.end(); ++it ) {
+      if ( (*it)[ 0 ] == sensors().at( i )->hostName() &&
+           (*it)[ 1 ] == KSGRD::SensorMgr->translateSensor( sensors().at( i )->name() ) ) {
+        mPlotter->footers[ i ] = (*it)[ 2 ];
+        found = true;
+        break;
+      }
+    }
+
+    if ( !found )
+      removeSensor( i );
+  }
+
+  repaint();
+  setModified( true );
+}
+
+void DancingBars::applyStyle()
+{
+  mPlotter->normalColor = KSGRD::Style->firstForegroundColor();
+  mPlotter->alarmColor = KSGRD::Style->alarmColor();
+  mPlotter->backgroundColor = KSGRD::Style->backgroundColor();
+  mPlotter->fontSize = KSGRD::Style->fontSize();
+
+  repaint();
+  setModified( true );
+}
+
+bool DancingBars::addSensor( const QString &hostName, const QString &name,
+                             const QString &type, const QString &title )
+{
+  if ( type != "integer" && type != "float" )
+    return false;
+
+  if ( mBars >= 32 )
+    return false;
+
+  if ( !mPlotter->addBar( title ) )
+    return false;
+
+  registerSensor( new KSGRD::SensorProperties( hostName, name, type, title ) );
+
+  /* To differentiate between answers from value requests and info
+   * requests we add 100 to the beam index for info requests. */
+  sendRequest( hostName, name + "?", mBars + 100 );
+  ++mBars;
+  mSampleBuffer.resize( mBars );
+
+  QString tooltip;
+  for ( uint i = 0; i < mBars; ++i ) {
+    tooltip += QString( "%1%2:%3" ).arg( i != 0 ? "\n" : "" )
+                                   .arg( sensors().at( i )->hostName() )
+                                   .arg( sensors().at( i )->name() );
+  }
+  QToolTip::remove( mPlotter );
+  QToolTip::add( mPlotter, tooltip );
+
+  return true;
+}
+
+bool DancingBars::removeSensor( uint pos )
+{
+  if ( pos >= mBars ) {
+    kdDebug(1215) << "DancingBars::removeSensor: idx out of range ("
+                  << pos << ")" << endl;
+    return false;
+  }
+
+  mPlotter->removeBar( pos );
+  mBars--;
+  KSGRD::SensorDisplay::removeSensor( pos );
+
+  QString tooltip;
+  for ( uint i = 0; i < mBars; ++i ) {
+    tooltip += QString( "%1%2:%3" ).arg( i != 0 ? "\n" : "" )
+                                   .arg( sensors().at( i )->hostName() )
+                                   .arg( sensors().at( i )->name() );
+  }
+  QToolTip::remove( mPlotter );
+  QToolTip::add( mPlotter, tooltip );
+
+  return true;
+}
+
+void DancingBars::updateSamples( const QMemArray<double> &samples )
+{
+  mPlotter->updateSamples( samples );
+}
+
+void DancingBars::resizeEvent( QResizeEvent* )
+{
+  if ( noFrame() )
+    mPlotter->setGeometry( 0, 0, width(), height() );
+  else
+    frame()->setGeometry( 0, 0, width(), height() );
+}
+
+QSize DancingBars::sizeHint()
+{
+  if ( noFrame() )
+    return ( mPlotter->sizeHint() );
+  else
+    return ( frame()->sizeHint() );
+}
+
+void DancingBars::answerReceived( int id, const QString &answer )
+{
+  /* We received something, so the sensor is probably ok. */
+  sensorError( id, false );
+	
+  if ( id < 100 ) {
+    mSampleBuffer[ id ] = answer.toDouble();
+    if ( mFlags.testBit( id ) == true ) {
+      kdDebug(1215) << "ERROR: DancingBars lost sample (" << mFlags
+                    << ", " << mBars << ")" << endl;
+      sensorError( id, true );
+    }
+    mFlags.setBit( id, true );
+
+    bool allBitsAvailable = true;
+    for ( uint i = 0; i < mBars; ++i )
+      allBitsAvailable &= mFlags.testBit( i );
+
+    if ( allBitsAvailable ) {
+      mPlotter->updateSamples( mSampleBuffer );
+      mFlags.fill( false );
+    }
+  } else if ( id >= 100 ) {
+    KSGRD::SensorIntegerInfo info( answer );
+    if ( id == 100 )
+      if ( mPlotter->getMin() == 0.0 && mPlotter->getMax() == 0.0 ) {
+        /* We only use this information from the sensor when the
+         * display is still using the default values. If the
+         * sensor has been restored we don't touch the already set
+         * values. */
+        mPlotter->changeRange( info.min(), info.max() );
+			}
+
+    sensors().at( id - 100 )->setUnit( info.unit() );
+	}
+}
+
+bool DancingBars::restoreSettings( QDomElement &element )
+{
+  SensorDisplay::restoreSettings( element );
+
+  mPlotter->changeRange( element.attribute( "min", "0" ).toDouble(),
+                         element.attribute( "max", "0" ).toDouble() );
+
+  mPlotter->setLimits( element.attribute( "lowlimit", "0" ).toDouble(),
+                       element.attribute( "lowlimitactive", "0" ).toInt(),
+                       element.attribute( "uplimit", "0" ).toDouble(),
+                       element.attribute( "uplimitactive", "0" ).toInt() );
+
+  mPlotter->normalColor = restoreColor( element, "normalColor",
+                                        KSGRD::Style->firstForegroundColor() );
+  mPlotter->alarmColor = restoreColor( element, "alarmColor",
+                                       KSGRD::Style->alarmColor() );
+  mPlotter->backgroundColor = restoreColor( element, "backgroundColor",
+                                            KSGRD::Style->backgroundColor() );
+  mPlotter->fontSize = element.attribute( "fontSize", QString( "%1" ).arg(
+                                          KSGRD::Style->fontSize() ) ).toInt();
+
+  QDomNodeList dnList = element.elementsByTagName( "beam" );
+  for ( uint i = 0; i < dnList.count(); ++i ) {
+    QDomElement el = dnList.item( i ).toElement();
+    addSensor( el.attribute( "hostName" ), el.attribute( "sensorName" ),
+               ( el.attribute( "sensorType" ).isEmpty() ? "integer" :
+               el.attribute( "sensorType" ) ), el.attribute( "sensorDescr" ) );
+  }
+
+  setModified( false );
+
+  return true;
+}
+
+bool DancingBars::saveSettings( QDomDocument &doc, QDomElement &element,
+                                bool save )
+{
+  element.setAttribute( "min", mPlotter->getMin() );
+  element.setAttribute( "max", mPlotter->getMax() );
+  double l, u;
+  bool la, ua;
+  mPlotter->getLimits( l, la, u, ua );
+  element.setAttribute( "lowlimit", l );
+  element.setAttribute( "lowlimitactive", la );
+  element.setAttribute( "uplimit", u );
+  element.setAttribute( "uplimitactive", ua );
+
+  saveColor( element, "normalColor", mPlotter->normalColor );
+  saveColor( element, "alarmColor", mPlotter->alarmColor );
+	saveColor( element, "backgroundColor", mPlotter->backgroundColor );
+  element.setAttribute( "fontSize", mPlotter->fontSize );
+
+  for ( uint i = 0; i < mBars; ++i ) {
+    QDomElement beam = doc.createElement( "beam" );
+    element.appendChild( beam );
+    beam.setAttribute( "hostName", sensors().at( i )->hostName() );
+    beam.setAttribute( "sensorName", sensors().at( i )->name() );
+    beam.setAttribute( "sensorType", sensors().at( i )->type() );
+    beam.setAttribute( "sensorDescr", mPlotter->footers[ i ] );
+  }
+
+  SensorDisplay::saveSettings( doc, element );
+
+  if ( save )
+    setModified( false );
+
+  return true;
+}
+
+bool DancingBars::hasSettingsDialog() const
+{
+  return true;
+}
+
+#include "DancingBars.moc"