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332 lines
8.6 KiB
332 lines
8.6 KiB
/*
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KSysGuard, the KDE System Guard
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Copyright (c) 1999 - 2001 Chris Schlaeger <cs@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of version 2 of the GNU General Public
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License as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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KSysGuard is currently maintained by Chris Schlaeger <cs@kde.org>.
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Please do not commit any changes without consulting me first. Thanks!
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*/
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#ifndef KSG_SENSORDISPLAY_H
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#define KSG_SENSORDISPLAY_H
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#include <tqgroupbox.h>
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#include <tqlabel.h>
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#include <tqvaluelist.h>
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#include <tqwidget.h>
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#include <knotifyclient.h>
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#include <ksgrd/SensorClient.h>
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#define NONE -1
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class QDomDocument;
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class QDomElement;
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namespace KSGRD {
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class SensorProperties;
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/**
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This class is the base class for all displays for sensors. A
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display is any kind of widget that can display the value of one or
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more sensors in any form. It must be inherited by all displays that
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should be inserted into the work sheet.
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*/
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class SensorDisplay : public TQWidget, public SensorClient
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{
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Q_OBJECT
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public:
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/**
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Constructor.
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*/
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SensorDisplay( TQWidget *parent = 0, const char *name = 0,
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const TQString& title = 0, bool nf = false, bool isApplet = false );
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/**
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Destructor.
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*/
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virtual ~SensorDisplay();
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/**
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Sets the title of the display.
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*/
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void setTitle( const TQString &title );
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/**
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Returns the title of the display.
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*/
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TQString title() const;
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/**
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Sets the unit of the display.
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*/
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void setUnit( const TQString &unit );
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/**
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Returns the unit of the display.
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*/
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TQString unit() const;
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/**
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Sets whether the unit string should be displayed at the top
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of the display frame.
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*/
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void setShowUnit( bool value );
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/**
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Returns whether the unit string should be displayed at the top
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of the display frame. @see setShowUnit()
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*/
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bool showUnit() const;
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/**
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Sets whether the update interval of the work sheet should be
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used instead of the one, set by @ref setUpdateInterval().
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*/
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void setUseGlobalUpdateInterval( bool value );
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/**
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Returns whether the update interval of the work sheet should be
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used instead of the one, set by @ref setUpdateInterval().
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see @ref setUseGlobalUpdateInterval()
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*/
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bool useGlobalUpdateInterval() const;
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/**
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Sets the update interval of the timer, which triggers the timer
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events. The state of the timer can be set with @ref setTimerOn().
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*/
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void setUpdateInterval( uint interval );
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/**
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Returns the update interval.
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*/
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uint updateInterval() const;
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/**
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This method appends all hosts of the display to @ref list.
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*/
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void hosts( TQStringList& list );
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/**
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Sets the widget on which the error icon can be drawn.
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*/
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void setPlotterWidget( TQWidget *plotter );
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/**
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Returns the widget on which the error icon can be drawn.
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*/
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TQWidget *plotterWidget() const;
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/**
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Add a sensor to the display.
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@param hostName The name of the host, the sensor belongs to.
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@param name The sensor name.
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@param type The type of the sensor.
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@param description A short description of the sensor.
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*/
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virtual bool addSensor( const TQString &hostName, const TQString &name,
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const TQString &type, const TQString &description );
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/**
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Removes the sensor from the display, that is at the position
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@ref pos of the intern sensor list.
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*/
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virtual bool removeSensor( uint pos );
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/**
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This function is a wrapper function to SensorManager::sendRequest.
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It should be used by all SensorDisplay functions that need to send
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a request to a sensor since it performs an appropriate error
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handling by removing the display of necessary.
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*/
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void sendRequest( const TQString &hostName, const TQString &cmd, int id );
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/**
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Raises the configure dialog to setup the update interval.
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*/
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void configureUpdateInterval();
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/**
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Returns whether the display provides a settings dialog.
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This method should be reimplemented in the derived class.
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*/
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virtual bool hasSettingsDialog() const;
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/**
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This method is called to raise the settings dialog of the
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display. It should be reimplemented in the derived class.
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*/
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virtual void configureSettings();
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/**
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Reimplement this method to setup the display from config data.
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*/
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virtual bool restoreSettings( TQDomElement& );
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/**
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Reimplement this method to save the displays config data.
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*/
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virtual bool saveSettings( TQDomDocument&, TQDomElement&, bool = true );
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/**
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Reimplement this method to catch error messages from the SensorManager.
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@param sensorId The unique id of the sensor.
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@param mode The mode: true = error, false = everthing ok
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*/
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virtual void sensorError( int sensorId, bool mode );
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/**
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Normaly you shouldn't reimplement this methode
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*/
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virtual void sensorLost( int reqId );
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public slots:
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/**
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If @ref value is true, this method starts the timer that triggers
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timer events. If @ref value is false, the timer is stopped.
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*/
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void setTimerOn( bool value );
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/**
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Calling this method emits the @ref showPopupMenu() with this
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display as argument.
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*/
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void rmbPressed();
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/**
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Sets whether the display is modified of not.
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*/
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void setModified( bool modified );
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/**
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This method can be used to apply the new settings. Just connect
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the applyClicked() signal of your configuration dialog with this
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slot and reimplement it.
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*/
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virtual void applySettings();
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/**
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This methid is called whenever the global style is changed.
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Reimplement it to apply the new style settings to the display.
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*/
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virtual void applyStyle();
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signals:
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void showPopupMenu( KSGRD::SensorDisplay *display );
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void modified( bool modified );
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protected:
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virtual bool eventFilter( TQObject*, TQEvent* );
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virtual void resizeEvent( TQResizeEvent* );
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virtual void timerEvent( TQTimerEvent* );
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void registerSensor( SensorProperties *sp );
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void unregisterSensor( uint pos );
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TQColor restoreColor( TQDomElement &element, const TQString &attr,
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const TQColor& fallback );
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void saveColor( TQDomElement &element, const TQString &attr,
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const TQColor &color );
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virtual TQString additionalWhatsThis();
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void setSensorOk( bool ok );
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bool modified() const;
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bool timerOn() const;
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TQWidget *frame();
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// void setNoFrame( bool value );
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bool noFrame() const;
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void reorderSensors(const TQValueList<int> &orderOfSensors);
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TQPtrList<SensorProperties> &sensors();
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private:
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void updateWhatsThis();
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bool mShowUnit;
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bool mUseGlobalUpdateInterval;
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bool mModified;
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bool mNoFrame;
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bool mIsApplet;
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int mTimerId;
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int mUpdateInterval;
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// The frame around the other widgets.
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TQGroupBox* mFrame;
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TQPtrList<SensorProperties> mSensors;
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TQString mTitle;
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TQString mUnit;
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TQWidget* mErrorIndicator;
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TQWidget* mPlotterWdg;
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};
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class SensorProperties
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{
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public:
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SensorProperties();
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SensorProperties( const TQString &hostName, const TQString &name,
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const TQString &type, const TQString &description );
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~SensorProperties();
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void setHostName( const TQString &hostName );
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TQString hostName() const;
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void setName( const TQString &name );
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TQString name() const;
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void setType( const TQString &type );
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TQString type() const;
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void setDescription( const TQString &description );
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TQString description() const;
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void setUnit( const TQString &unit );
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TQString unit() const;
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void setIsOk( bool value );
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bool isOk() const;
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private:
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TQString mHostName;
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TQString mName;
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TQString mType;
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TQString mDescription;
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TQString mUnit;
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/* This flag indicates whether the communication to the sensor is
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* ok or not. */
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bool mOk;
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};
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}
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#endif
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