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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit4aed2c8219774f5d797760606b8489a92ddc5163 (patch)
tree3f8c130f7d269626bf6a9447407ef6c35954426a /ksysguard/gui/SensorDisplayLib/SensorDisplay.cc
downloadtdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz
tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip
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
Diffstat (limited to 'ksysguard/gui/SensorDisplayLib/SensorDisplay.cc')
-rw-r--r--ksysguard/gui/SensorDisplayLib/SensorDisplay.cc611
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diff --git a/ksysguard/gui/SensorDisplayLib/SensorDisplay.cc b/ksysguard/gui/SensorDisplayLib/SensorDisplay.cc
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+++ b/ksysguard/gui/SensorDisplayLib/SensorDisplay.cc
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+/*
+ KSysGuard, the KDE System Guard
+
+ Copyright (c) 1999 - 2002 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 <qpopupmenu.h>
+#include <qspinbox.h>
+#include <qwhatsthis.h>
+#include <qbitmap.h>
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kiconloader.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <krun.h>
+#include <kservice.h>
+
+#include "SensorManager.h"
+#include "TimerSettings.h"
+
+#include "SensorDisplay.h"
+
+using namespace KSGRD;
+
+SensorDisplay::SensorDisplay( QWidget *parent, const char *name,
+ const QString &title, bool nf, bool isApplet)
+ : QWidget( parent, name )
+{
+ mIsApplet = isApplet;
+ mSensors.setAutoDelete( true );
+
+ // default interval is 2 seconds.
+ mUpdateInterval = 2;
+ mUseGlobalUpdateInterval = true;
+ mModified = false;
+ mShowUnit = false;
+ mTimerId = NONE;
+ mFrame = 0;
+ mErrorIndicator = 0;
+ mPlotterWdg = 0;
+
+ setTimerOn( true );
+ QWhatsThis::add( this, "dummy" );
+
+ if(!nf) {
+ mFrame = new QGroupBox( 2, Qt::Vertical, "", this, "displayFrame");
+ mFrame->setFlat(true);
+ mFrame->setAlignment(Qt::AlignHCenter);
+ mFrame->setInsideMargin(2);
+
+ setTitle( title );
+ /* All RMB clicks to the box frame will be handled by
+ * SensorDisplay::eventFilter. */
+ mFrame->installEventFilter( this );
+ }
+
+
+ setMinimumSize( 16, 16 );
+ setModified( false );
+ setSensorOk( false );
+
+ /* Let's call updateWhatsThis() in case the derived class does not do
+ * this. */
+ updateWhatsThis();
+}
+
+SensorDisplay::~SensorDisplay()
+{
+ if ( SensorMgr != 0 )
+ SensorMgr->disconnectClient( this );
+
+ killTimer( mTimerId );
+}
+
+void SensorDisplay::registerSensor( SensorProperties *sp )
+{
+ /* Make sure that we have a connection established to the specified
+ * host. When a work sheet has been saved while it had dangling
+ * sensors, the connect info is not saved in the work sheet. In such
+ * a case the user can re-enter the connect information and the
+ * connection will be established. */
+ if ( !SensorMgr->engageHost( sp->hostName() ) ) {
+ QString msg = i18n( "It is impossible to connect to \'%1\'." ).arg( sp->hostName() );
+ KMessageBox::error( this, msg );
+ }
+
+ mSensors.append( sp );
+}
+
+void SensorDisplay::unregisterSensor( uint pos )
+{
+ mSensors.remove( pos );
+}
+
+void SensorDisplay::configureUpdateInterval()
+{
+ TimerSettings dlg( this );
+
+ dlg.setUseGlobalUpdate( mUseGlobalUpdateInterval );
+ dlg.setInterval( mUpdateInterval );
+
+ if ( dlg.exec() ) {
+ if ( dlg.useGlobalUpdate() ) {
+ mUseGlobalUpdateInterval = true;
+
+ SensorBoard* sb = dynamic_cast<SensorBoard*>( parentWidget() );
+ if ( !sb ) {
+ kdDebug(1215) << "dynamic cast lacks" << endl;
+ setUpdateInterval( 2 );
+ } else {
+ setUpdateInterval( sb->updateInterval() );
+ }
+ } else {
+ mUseGlobalUpdateInterval = false;
+ setUpdateInterval( dlg.interval() );
+ }
+
+ setModified( true );
+ }
+}
+
+void SensorDisplay::timerEvent( QTimerEvent* )
+{
+ int i = 0;
+ for ( SensorProperties *s = mSensors.first(); s; s = mSensors.next(), ++i )
+ sendRequest( s->hostName(), s->name(), i );
+}
+
+void SensorDisplay::resizeEvent( QResizeEvent* )
+{
+ if(mFrame)
+ mFrame->setGeometry( rect() );
+}
+
+bool SensorDisplay::eventFilter( QObject *object, QEvent *event )
+{
+ if ( event->type() == QEvent::MouseButtonPress &&
+ ( (QMouseEvent*)event)->button() == RightButton ) {
+ QPopupMenu pm;
+ if ( mIsApplet ) {
+ pm.insertItem( i18n( "Launch &System Guard"), 1 );
+ pm.insertSeparator();
+ }
+ if ( hasSettingsDialog() )
+ pm.insertItem( i18n( "&Properties" ), 2 );
+ pm.insertItem( i18n( "&Remove Display" ), 3 );
+ pm.insertSeparator();
+ pm.insertItem( i18n( "&Setup Update Interval..." ), 4 );
+ if ( !timerOn() )
+ pm.insertItem( i18n( "&Continue Update" ), 5 );
+ else
+ pm.insertItem( i18n( "P&ause Update" ), 6 );
+
+ switch ( pm.exec( QCursor::pos() ) ) {
+ case 1:
+ KRun::run(*KService::serviceByDesktopName("ksysguard"), KURL::List());
+ break;
+ case 2:
+ configureSettings();
+ break;
+ case 3: {
+ QCustomEvent *e = new QCustomEvent( QEvent::User );
+ e->setData( this );
+ kapp->postEvent( parent(), e );
+ }
+ break;
+ case 4:
+ configureUpdateInterval();
+ break;
+ case 5:
+ setTimerOn( true );
+ setModified( true );
+ break;
+ case 6:
+ setTimerOn( false );
+ setModified( true );
+ break;
+ }
+
+ return true;
+ } else if ( event->type() == QEvent::MouseButtonRelease &&
+ ( ( QMouseEvent*)event)->button() == LeftButton ) {
+ setFocus();
+ }
+
+ return QWidget::eventFilter( object, event );
+}
+
+void SensorDisplay::sendRequest( const QString &hostName,
+ const QString &command, int id )
+{
+ if ( !SensorMgr->sendRequest( hostName, command, (SensorClient*)this, id ) )
+ sensorError( id, true );
+}
+
+void SensorDisplay::sensorError( int sensorId, bool err )
+{
+ if ( sensorId >= (int)mSensors.count() || sensorId < 0 )
+ return;
+
+ if ( err == mSensors.at( sensorId )->isOk() ) {
+ // this happens only when the sensorOk status needs to be changed.
+ mSensors.at( sensorId )->setIsOk( !err );
+ }
+
+ bool ok = true;
+ for ( uint i = 0; i < mSensors.count(); ++i )
+ if ( !mSensors.at( i )->isOk() ) {
+ ok = false;
+ break;
+ }
+
+ setSensorOk( ok );
+}
+
+void SensorDisplay::updateWhatsThis()
+{
+ QWhatsThis::add( this, i18n(
+ "<qt><p>This is a sensor display. To customize a sensor display click "
+ "and hold the right mouse button on either the frame or the "
+ "display box and select the <i>Properties</i> entry from the popup "
+ "menu. Select <i>Remove</i> to delete the display from the worksheet."
+ "</p>%1</qt>" ).arg( additionalWhatsThis() ) );
+}
+
+void SensorDisplay::hosts( QStringList& list )
+{
+ for ( SensorProperties *s = mSensors.first(); s; s = mSensors.next() )
+ if ( !list.contains( s->hostName() ) )
+ list.append( s->hostName() );
+}
+
+QColor SensorDisplay::restoreColor( QDomElement &element, const QString &attr,
+ const QColor& fallback )
+{
+ bool ok;
+ uint c = element.attribute( attr ).toUInt( &ok );
+ if ( !ok )
+ return fallback;
+ else
+ return QColor( (c >> 16) & 0xFF, (c >> 8) & 0xFF, c & 0xFF );
+}
+
+void SensorDisplay::saveColor( QDomElement &element, const QString &attr,
+ const QColor &color )
+{
+ int r, g, b;
+ color.rgb( &r, &g, &b );
+ element.setAttribute( attr, (r << 16) | (g << 8) | b );
+}
+
+bool SensorDisplay::addSensor( const QString &hostName, const QString &name,
+ const QString &type, const QString &description )
+{
+ registerSensor( new SensorProperties( hostName, name, type, description ) );
+ return true;
+}
+
+bool SensorDisplay::removeSensor( uint pos )
+{
+ unregisterSensor( pos );
+ return true;
+}
+
+void SensorDisplay::setUpdateInterval( uint interval )
+{
+ bool timerActive = timerOn();
+
+ if ( timerActive )
+ setTimerOn( false );
+
+ mUpdateInterval = interval;
+
+ if ( timerActive )
+ setTimerOn( true );
+}
+
+bool SensorDisplay::hasSettingsDialog() const
+{
+ return false;
+}
+
+void SensorDisplay::configureSettings()
+{
+}
+
+void SensorDisplay::setUseGlobalUpdateInterval( bool value )
+{
+ mUseGlobalUpdateInterval = value;
+}
+
+bool SensorDisplay::useGlobalUpdateInterval() const
+{
+ return mUseGlobalUpdateInterval;
+}
+
+QString SensorDisplay::additionalWhatsThis()
+{
+ return QString::null;
+}
+
+void SensorDisplay::sensorLost( int reqId )
+{
+ sensorError( reqId, true );
+}
+
+bool SensorDisplay::restoreSettings( QDomElement &element )
+{
+ QString str = element.attribute( "showUnit", "X" );
+ if(!str.isEmpty() && str != "X") {
+ mShowUnit = str.toInt();
+ }
+ str = element.attribute( "unit", QString::null );
+ if(!str.isEmpty())
+ setUnit(str);
+ str = element.attribute( "title", QString::null );
+ if(!str.isEmpty())
+ setTitle(str);
+
+ if ( element.attribute( "updateInterval" ) != QString::null ) {
+ mUseGlobalUpdateInterval = false;
+ setUpdateInterval( element.attribute( "updateInterval", "2" ).toInt() );
+ } else {
+ mUseGlobalUpdateInterval = true;
+
+ SensorBoard* sb = dynamic_cast<SensorBoard*>( parentWidget() );
+ if ( !sb ) {
+ kdDebug(1215) << "dynamic cast lacks" << endl;
+ setUpdateInterval( 2 );
+ } else
+ setUpdateInterval( sb->updateInterval() );
+ }
+
+ if ( element.attribute( "pause", "0" ).toInt() == 0 )
+ setTimerOn( true );
+ else
+ setTimerOn( false );
+
+ return true;
+}
+
+bool SensorDisplay::saveSettings( QDomDocument&, QDomElement &element, bool )
+{
+ element.setAttribute( "title", title() );
+ element.setAttribute( "unit", unit() );
+ element.setAttribute( "showUnit", mShowUnit );
+
+ if ( mUseGlobalUpdateInterval )
+ element.setAttribute( "globalUpdate", "1" );
+ else {
+ element.setAttribute( "globalUpdate", "0" );
+ element.setAttribute( "updateInterval", mUpdateInterval );
+ }
+
+ if ( !timerOn() )
+ element.setAttribute( "pause", 1 );
+ else
+ element.setAttribute( "pause", 0 );
+
+ return true;
+}
+
+void SensorDisplay::setTimerOn( bool on )
+{
+ if ( on ) {
+ if ( mTimerId == NONE )
+ mTimerId = startTimer( mUpdateInterval * 1000 );
+ } else {
+ if ( mTimerId != NONE ) {
+ killTimer( mTimerId );
+ mTimerId = NONE;
+ }
+ }
+}
+
+bool SensorDisplay::timerOn() const
+{
+ return ( mTimerId != NONE );
+}
+
+bool SensorDisplay::modified() const
+{
+ return mModified;
+}
+
+QPtrList<SensorProperties> &SensorDisplay::sensors()
+{
+ return mSensors;
+}
+
+void SensorDisplay::rmbPressed()
+{
+ emit showPopupMenu( this );
+}
+
+void SensorDisplay::applySettings()
+{
+}
+
+void SensorDisplay::applyStyle()
+{
+}
+
+void SensorDisplay::setModified( bool value )
+{
+ if ( value != mModified ) {
+ mModified = value;
+ emit modified( mModified );
+ }
+}
+
+void SensorDisplay::setSensorOk( bool ok )
+{
+ if ( ok ) {
+ delete mErrorIndicator;
+ mErrorIndicator = 0;
+ } else {
+ if ( mErrorIndicator )
+ return;
+
+ QPixmap errorIcon = KGlobal::iconLoader()->loadIcon( "connect_creating", KIcon::Desktop,
+ KIcon::SizeSmall );
+ if ( !mPlotterWdg )
+ return;
+
+ mErrorIndicator = new QWidget( mPlotterWdg );
+ mErrorIndicator->setErasePixmap( errorIcon );
+ mErrorIndicator->resize( errorIcon.size() );
+ if ( errorIcon.mask() )
+ mErrorIndicator->setMask( *errorIcon.mask() );
+ mErrorIndicator->move( 0, 0 );
+ mErrorIndicator->show();
+ }
+}
+
+void SensorDisplay::setTitle( const QString &title )
+{
+ mTitle = title;
+
+ if(!mFrame) {
+ return; //fixme. create a frame and move widget inside it.
+ }
+
+ /* Changing the frame title may increase the width of the frame and
+ * hence breaks the layout. To avoid this, we save the original size
+ * and restore it after we have set the frame title. */
+ QSize s = mFrame->size();
+
+ if ( mShowUnit && !mUnit.isEmpty() )
+ mFrame->setTitle( mTitle + " [" + mUnit + "]" );
+ else
+ mFrame->setTitle( mTitle );
+ mFrame->setGeometry( 0, 0, s.width(), s.height() );
+}
+
+QString SensorDisplay::title() const
+{
+ return mTitle;
+}
+
+void SensorDisplay::setUnit( const QString &unit )
+{
+ mUnit = unit;
+}
+
+QString SensorDisplay::unit() const
+{
+ return mUnit;
+}
+
+void SensorDisplay::setShowUnit( bool value )
+{
+ mShowUnit = value;
+}
+
+bool SensorDisplay::showUnit() const
+{
+ return mShowUnit;
+}
+
+void SensorDisplay::setPlotterWidget( QWidget *wdg )
+{
+ mPlotterWdg = wdg;
+
+}
+
+QWidget *SensorDisplay::frame()
+{
+ return mFrame;
+}
+
+//void SensorDisplay::setNoFrame( bool /*value*/ )
+//{
+ //FIXME - delete or create the frame as needed
+//}
+
+bool SensorDisplay::noFrame() const
+{
+ return !mFrame;
+}
+
+void SensorDisplay::reorderSensors(const QValueList<int> &orderOfSensors)
+{
+ QPtrList<SensorProperties> newSensors;
+ for ( uint i = 0; i < orderOfSensors.count(); ++i ) {
+ newSensors.append( mSensors.at(orderOfSensors[i] ));
+ }
+
+ mSensors.setAutoDelete( false );
+ mSensors = newSensors;
+ mSensors.setAutoDelete( true );
+}
+
+
+SensorProperties::SensorProperties()
+{
+}
+
+SensorProperties::SensorProperties( const QString &hostName, const QString &name,
+ const QString &type, const QString &description )
+ : mHostName( hostName ), mName( name ), mType( type ), mDescription( description )
+{
+ mOk = false;
+}
+
+SensorProperties::~SensorProperties()
+{
+}
+
+void SensorProperties::setHostName( const QString &hostName )
+{
+ mHostName = hostName;
+}
+
+QString SensorProperties::hostName() const
+{
+ return mHostName;
+}
+
+void SensorProperties::setName( const QString &name )
+{
+ mName = name;
+}
+
+QString SensorProperties::name() const
+{
+ return mName;
+}
+
+void SensorProperties::setType( const QString &type )
+{
+ mType = type;
+}
+
+QString SensorProperties::type() const
+{
+ return mType;
+}
+
+void SensorProperties::setDescription( const QString &description )
+{
+ mDescription = description;
+}
+
+QString SensorProperties::description() const
+{
+ return mDescription;
+}
+
+void SensorProperties::setUnit( const QString &unit )
+{
+ mUnit = unit;
+}
+
+QString SensorProperties::unit() const
+{
+ return mUnit;
+}
+
+void SensorProperties::setIsOk( bool value )
+{
+ mOk = value;
+}
+
+bool SensorProperties::isOk() const
+{
+ return mOk;
+}
+
+#include "SensorDisplay.moc"