Learned a lesson about the C preprocessor *ugh*.

2 files changed, 6 insertions, 5 deletions

diff --git a/noncore/applets/wirelessapplet/networkinfo.cpp b/noncore/applets/wirelessapplet/networkinfo.cpp
index 8531fd5..2274d99 100644
--- a/noncore/applets/wirelessapplet/networkinfo.cpp
+++ b/noncore/applets/wirelessapplet/networkinfo.cpp
@@ -1,285 +1,286 @@
 /**********************************************************************
 ** MNetwork* classes
 **
 ** Encapsulate network information
 **
 ** Copyright (C) 2002, Michael Lauer
 **                    mickey@tm.informatik.uni-frankfurt.de
 **                    http://www.Vanille.de
 **
 ** Based on portions of the Wireless Extensions
 ** Copyright (c) 1997-2002 Jean Tourrilhes <jt@hpl.hp.com>
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #include "networkinfo.h"
 
 #include <arpa/inet.h>
 #include <sys/socket.h>
 #include <linux/if_ether.h>
 #include <netinet/ip.h>
 #include <sys/ioctl.h>
 #include <linux/wireless.h>
 
 #include <unistd.h>
 #include <math.h>
 #include <errno.h>
 #include <string.h>
 
 #include <stdlib.h>
 
 #include <qstring.h>
 #include <qfile.h>
 #include <qtextstream.h>
 
 /* estimated wireless signal strength and noise level values
    based on experimentation with Orinoco and Prism2 cards.
    Seem to be correct, but please inform me, if you got values
    outside these boundaries. :Mickey: */
 
 #define IW_UPPER 220
 #define IW_LOWER 140
 
 #define PROCNETDEV "/proc/net/dev"
 #define PROCNETWIRELESS "/proc/net/wireless"
 
-#define MDEBUG 0
+//#define MDEBUG 0
+#undef MDEBUG
 
 //---------------------------------------------------------------------------
 // class MNetworkInterface
 //
 
 MNetworkInterface::MNetworkInterface( const char* name )
                   :name( name )
 {
     struct ifreq ifr;
     struct sockaddr_in *sin = (struct sockaddr_in *) &ifr.ifr_addr;
     fd = socket( AF_INET, SOCK_DGRAM, 0 );
 }
 
 MNetworkInterface::~MNetworkInterface()
 {
     if ( fd != -1 )
         close( fd );
 }
 
 bool MNetworkInterface::updateStatistics()
 {
     return true;
 }
 
 //---------------------------------------------------------------------------
 // class MWirelessNetworkInterface
 //
 
 MWirelessNetworkInterface::MWirelessNetworkInterface( const char* n )
                          :MNetworkInterface( n )
 {
     signal = 0;
     noise = 0;
     quality = 0;  
 }
 
 MWirelessNetworkInterface::~MWirelessNetworkInterface()
 {
 }
 
 int MWirelessNetworkInterface::qualityPercent()
 {
     return ( quality*100 ) / 92;
 }
 
 int MWirelessNetworkInterface::signalPercent()
 {
     return ( ( signal-IW_LOWER ) * 100 ) / IW_UPPER;
 }
 
 int MWirelessNetworkInterface::noisePercent()
 {
     return ( ( noise-IW_LOWER ) * 100 ) / IW_UPPER;
 }
 
 bool MWirelessNetworkInterface::updateStatistics()
 {
         bool base = MNetworkInterface::updateStatistics();
         if ( !base )
             return false;
 
         const char* buffer[200];
 
         struct iwreq iwr;
         memset( &iwr, 0, sizeof( iwr ) );
         iwr.u.essid.pointer = (caddr_t) buffer;
         iwr.u.essid.length = IW_ESSID_MAX_SIZE;
         iwr.u.essid.flags = 0;
 
         // check if it is an IEEE 802.11 standard conform
         // wireless device by sending SIOCGIWESSID
         // which also gives back the Extended Service Set ID
         // (see IEEE 802.11 for more information)
 
         strcpy( iwr.ifr_ifrn.ifrn_name, (const char*) name );
         int result = ioctl( fd, SIOCGIWESSID, &iwr );
         if ( result == 0 )
         {
             hasWirelessExtensions = true;
             iwr.u.essid.pointer[(unsigned int) iwr.u.essid.length-1] = '\0';
             essid = iwr.u.essid.pointer;
         }
         else essid = "*** Unknown ***";
 
         // Address of associated access-point
 
         result = ioctl( fd, SIOCGIWAP, &iwr );
         if ( result == 0 )
         {
             APAddr.sprintf( "%.2X:%.2X:%.2X:%.2X:%.2X:%.2X",
             iwr.u.ap_addr.sa_data[0]&0xff,
             iwr.u.ap_addr.sa_data[1]&0xff,
             iwr.u.ap_addr.sa_data[2]&0xff,
             iwr.u.ap_addr.sa_data[3]&0xff,
             iwr.u.ap_addr.sa_data[4]&0xff,
             iwr.u.ap_addr.sa_data[5]&0xff );
         } else APAddr = "*** Unknown ***";
 
         iwr.u.data.pointer = (caddr_t) buffer;
         iwr.u.data.length = IW_ESSID_MAX_SIZE;
         iwr.u.data.flags = 0;
 
         result = ioctl( fd, SIOCGIWNICKN, &iwr );
         if ( result == 0 )
         {
             iwr.u.data.pointer[(unsigned int) iwr.u.data.length-1] = '\0';
             nick = iwr.u.data.pointer;
         } else nick = "*** Unknown ***";
 
         result = ioctl( fd, SIOCGIWMODE, &iwr );
         if ( result == 0 )
             mode = ( iwr.u.mode == IW_MODE_ADHOC ) ? "Ad-Hoc" : "Managed";
         else mode = "*** Unknown ***";
 
         result = ioctl( fd, SIOCGIWFREQ, &iwr );
         if ( result == 0 )
             freq = double( iwr.u.freq.m ) * pow( 10, iwr.u.freq.e ) / 1000000000;
         else freq = 0;
 
     // gather link quality from /proc/net/wireless
 
     char c;
     QString status;
     QString name;
     QFile wfile( PROCNETWIRELESS );
     bool hasFile = wfile.open( IO_ReadOnly );
     QTextStream wstream( &wfile );
     if ( hasFile )
     {
         wstream.readLine();  // skip the first two lines
         wstream.readLine();  // because they only contain headers
     }
     if ( ( !hasFile ) || ( wstream.atEnd() ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: D'oh! Someone removed the card..." );
 #endif
         quality = -1;
         signal = IW_LOWER;
         noise = IW_LOWER;
         return false;
     }
 
     wstream >> name >> status >> quality >> c >> signal >> c >> noise;
 
     if ( quality > 92 )
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: D'oh! Quality %d > estimated max!\n", quality );
 #endif
     if ( ( signal > IW_UPPER ) || ( signal < IW_LOWER ) )
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: Doh! Strength %d > estimated max!\n", signal );
 #endif
     if ( ( noise > IW_UPPER ) || ( noise < IW_LOWER ) )
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: Doh! Noise %d > estimated max!\n", noise );
 #endif
 
     return true;
         
 }
 
 //---------------------------------------------------------------------------
 // class Network
 //
 
 MNetwork::MNetwork()
 {
     procfile = PROCNETDEV;
 }
 
 MNetwork::~MNetwork()
 {
 }
 
 //---------------------------------------------------------------------------
 // class WirelessNetwork
 //
 
 MWirelessNetwork::MWirelessNetwork()
 {
     procfile = PROCNETWIRELESS;
 }
 
 MWirelessNetwork::~MWirelessNetwork()
 {
 }
 
 MNetworkInterface* MWirelessNetwork::createInterface( const char* n ) const
 {
     return new MWirelessNetworkInterface( n );
 }
 
 //---------------------------------------------------------------------------
 // class NetworkInterface
 //
 
 MNetworkInterface* MNetwork::getFirstInterface()
 {
     enumerateInterfaces();
     InterfaceMapIterator it( interfaces );
     return ( it.count() > 0 ) ? it.toFirst() : 0;
 }
 
 void MNetwork::enumerateInterfaces()
 {   
     interfaces.clear();
     QString str;
     QFile f( procfile );
     bool hasFile = f.open( IO_ReadOnly );
     if ( !hasFile )
         return;
     QTextStream s( &f );
     s.readLine();
     s.readLine();
     while ( !s.atEnd() )
     {
         s >> str;
         str.truncate( str.find( ':' ) );
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: found interface '%s'", (const char*) str );
 #endif
         interfaces.insert( str, createInterface( str ) );
         s.readLine();
     }
 }
 
 MNetworkInterface* MNetwork::createInterface( const char* n ) const
 {
     return new MNetworkInterface( n );
 }
diff --git a/noncore/applets/wirelessapplet/wireless.cpp b/noncore/applets/wirelessapplet/wireless.cpp
index a5aabb0..649cf20 100644
--- a/noncore/applets/wirelessapplet/wireless.cpp
+++ b/noncore/applets/wirelessapplet/wireless.cpp
@@ -1,513 +1,513 @@
 /**********************************************************************
 ** Copyright (C) 2002 Michael 'Mickey' Lauer
 **               <mickey@tm.informatik.uni-frankfurt.de>
 **               http://www.Vanille.de
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #include "wireless.h"
 
 #include <qapplication.h>
 #include <qpe/qpeapplication.h>
 #include <qpe/config.h>
 
 #include <qpoint.h>
 #include <qradiobutton.h>
 #include <qpushbutton.h>
 #include <qpainter.h>
 #include <qlabel.h>
 #include <qslider.h>
 #include <qbuttongroup.h>
 #include <qlayout.h>
 #include <qframe.h>
 #include <qpixmap.h>
 #include <qstring.h>
 #include <qfile.h>
 #include <qtextstream.h>
 
 #include <sys/types.h>
 #include <signal.h>
 
 #include "networkinfo.h"
 #include "mgraph.h"
 
 #include "advancedconfig.h"
 
 #include "connect0.xpm"
 #include "connect1.xpm"
 #include "connect2.xpm"
 #include "connect3.xpm"
 #include "connect4.xpm"
 #include "connect5.xpm"
 #include "nowireless.xpm"
 
 #define STYLE_BARS 0
 #define STYLE_ANTENNA 1
 
-#define MDEBUG 0
+//#define MDEBUG 0
+#undef MDEBUG
 
 WirelessControl::WirelessControl( WirelessApplet *applet, QWidget *parent, const char *name )
     : QFrame( parent, name, WStyle_StaysOnTop | WType_Popup ), applet( applet )
 {
 
     readConfig();
     writeConfigEntry( "UpdateFrequency", updateFrequency );
     writeConfigEntry( "DisplayStyle", displayStyle );
     
     setFrameStyle( QFrame::PopupPanel | QFrame::Raised );    
     QGridLayout *grid = new QGridLayout( this, 3, 2, 6, 2, "top layout" );  
     
     /* status label */
     
     statusLabel = new QLabel( this, "statuslabel" );
     QString text( "Wireless Status:<br>"
                         "*** Unknown ***<br>"
                     "Card not inserted ?<br>"
                     "Or Sharp ROM ?<br>"
                     "CELL: 00:00:00:00:00:00" );
 /*    QString text( "Station: Unknown<br>"
                         "ESSID: Unknown<br>"
                     "MODE: Unknown<br>"
                     "FREQ: Unknown<br>"
                     "CELL: AA:BB:CC:DD:EE:FF" ); */
     statusLabel->setText( text );
     statusLabel->setFixedSize( statusLabel->sizeHint() );
     grid->addWidget( statusLabel, 0, 0 );
 
     /* visualization group box */
     
     QButtonGroup* group = new QButtonGroup( 1, Qt::Horizontal, "Visualization", this );
     QRadioButton* r1 = new QRadioButton( "Color Bars", group );
     QRadioButton* r2 = new QRadioButton( "Antenna", group );
     r1->setFocusPolicy( QWidget::NoFocus );
     r2->setFocusPolicy( QWidget::NoFocus );
     group->setFocusPolicy( QWidget::NoFocus );
     group->setButton( displayStyle );
     grid->addWidget( group, 0, 1 );
 
     /* quality graph */
     
     mgraph = new MGraph( this );
     mgraph->setFrameStyle( QFrame::Panel | QFrame::Sunken );
     mgraph->setMin( 0 );
     mgraph->setMax( 92 );
     grid->addWidget( mgraph, 1, 0 );
     mgraph->setFocusPolicy( QWidget::NoFocus );
     
     /* advanced configuration Button */
     
     QPushButton* advanced = new QPushButton( "Advanced...", this );
     advanced->setFocusPolicy( QWidget::NoFocus );
     grid->addWidget( advanced, 2, 0, Qt::AlignCenter );
     connect( advanced, SIGNAL( clicked() ),
              this, SLOT( advancedConfigClicked() ) );
 
     /* update Frequency Label */
     
     updateLabel = new QLabel( this );
     text.sprintf( "Update every %d s", updateFrequency );
     updateLabel->setText( text );
     grid->addWidget( updateLabel, 2, 1 );
 
     /* update Frequency Slider */
     
     QSlider* updateSlider = new QSlider( QSlider::Horizontal, this );
     updateSlider->setRange( 0, 9 );
     updateSlider->setValue( updateFrequency );
     updateSlider->setTickmarks( QSlider::Both );
     updateSlider->setTickInterval( 1 );
     updateSlider->setSteps( 1, 1 );
     updateSlider->setFocusPolicy( QWidget::NoFocus );
     grid->addWidget( updateSlider, 1, 1 );
     connect( updateSlider, SIGNAL( valueChanged( int ) ),
              this, SLOT( updateDelayChange( int ) ) );
 
     setFixedSize( sizeHint() );
     setFocusPolicy( QWidget::NoFocus );
 
     applet->displayStyleChange( displayStyle );
     applet->updateDelayChange( updateFrequency );
     
     connect( group, SIGNAL( clicked( int ) ),
              this, SLOT( displayStyleChange( int ) ) );
              
     applet->updateDHCPConfig( rocESSID, rocFREQ, rocAP, rocMODE );
 }
 
 void WirelessControl::advancedConfigClicked()
 {
     AdvancedConfig* a = new AdvancedConfig( this, "dialog", TRUE );
     int result = a->exec();
     a->hide();
     delete a;
     if ( result == QDialog::Accepted )
     {
         readConfig();
         applet->updateDHCPConfig( rocESSID, rocFREQ, rocAP, rocMODE );
     }
 }
 
 void WirelessControl::updateDelayChange( int delay )
 {
     QString text;
     text.sprintf( "Update every %d s", delay );
     updateLabel->setText( text );
     applet->updateDelayChange( delay );
     writeConfigEntry( "UpdateFrequency", delay );
 }
 
 void WirelessControl::displayStyleChange( int style )
 {
     applet->displayStyleChange( style );
     writeConfigEntry( "DisplayStyle", style );
 }
 
 void WirelessControl::show ( bool )
 {
   QPoint curPos = applet->mapToGlobal( QPoint ( 0, 0 ) );
 
   int w = sizeHint().width();
   int x = curPos.x() - ( w / 2 );
 
   if ( ( x + w ) > QPEApplication::desktop()->width() )
       x = QPEApplication::desktop ( )-> width ( ) - w;
 
   move( x, curPos.y () - sizeHint().height () );
   QFrame::show();
 }
 
 void WirelessControl::readConfig()
 {
     Config cfg( "qpe" );
     cfg.setGroup( "Wireless" );
     
     updateFrequency = cfg.readNumEntry( "UpdateFrequency", 2 );
     displayStyle = cfg.readNumEntry( "DisplayStyle", STYLE_ANTENNA );
     rocESSID = cfg.readBoolEntry( "renew_dhcp_on_essid_change", false );
     rocFREQ = cfg.readBoolEntry( "renew_dhcp_on_freq_change", false );
     rocAP = cfg.readBoolEntry( "renew_dhcp_on_ap_change", false );
     rocMODE = cfg.readBoolEntry( "renew_dhcp_on_mode_change", false );
 }
 
 void WirelessControl::writeConfigEntry( const char *entry, int val )
 {
     Config cfg( "qpe" );
     cfg.setGroup( "Wireless" );
     cfg.writeEntry( entry, val );
 }
   
 //===========================================================================
 
 WirelessApplet::WirelessApplet( QWidget *parent, const char *name )
     : QWidget( parent, name ), visualStyle( STYLE_ANTENNA ),
       timer( 0 ), interface( 0 ),
       rocESSID( false ), rocFREQ( false ), rocAP( false ), rocMODE( false )
 {
     setFixedHeight( 18 );
     setFixedWidth( 14 );
     network = new MWirelessNetwork();
     status = new WirelessControl( this, 0, "wireless status" );
 }
 
 void WirelessApplet::checkInterface()
 {
     interface = network->getFirstInterface();
     if ( interface )
     {
 #ifdef MDEBUG
-        qDebug( "WIFIAPPLET: using interface '%s'", (const char*)
+        qDebug( "WIFIAPPLET: using interface '%s'", (const char*) interface->getName() );
 #endif
-                 interface->getName() );
     }
     else
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: D'oh! No Wireless interface present... :(" );
-        hide();
 #endif
+        hide();
     }   
 }    
 
 void WirelessApplet::renewDHCP()
 {
 #ifdef MDEBUG
     qDebug( "WIFIAPPLET: Going to request a DHCP configuration renew." );
 #endif
 
     QString pidfile;
     if ( !interface )
         return;
     QString ifacename( interface->getName() );
     pidfile.sprintf( "/var/run/dhcpcd-%s.pid", (const char* ) ifacename );
 #ifdef MDEBUG
     qDebug( "WIFIAPPLET: pidfile is '%s'", (const char*) pidfile );
 #endif
     int pid;
     QFile pfile( pidfile );
     bool hasFile = pfile.open( IO_ReadOnly );
     QTextStream s( &pfile );
     if ( hasFile )
         s >> pid;
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: sent -14 to pid %d", pid );
 #endif
         kill( pid, -14 );
 
 }    
 
 void WirelessApplet::updateDHCPConfig( bool ESSID, bool FREQ, bool AP, bool MODE )
 {
     rocESSID = ESSID;
     rocFREQ = FREQ;
     rocAP = AP;
     rocMODE = MODE;
 }
 
 void WirelessApplet::updateDelayChange( int delay )
 {
     if ( timer )
         killTimer( timer );
     delay *= 1000;
     if ( delay == 0 )
         delay = 50;
     timer = startTimer( delay );
 }
 
 void WirelessApplet::displayStyleChange( int style )
 {
     visualStyle = style;
     repaint();
 }
 
 WirelessApplet::~WirelessApplet()
 {
 }
 
 void WirelessApplet::timerEvent( QTimerEvent* )
 {
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
   
     if ( iface )
     {
         bool statResult = iface->updateStatistics();
         if ( !statResult )
         {
             interface = 0;
             mustRepaint();
             return;
         } else
         if ( mustRepaint() )
         {
             //qDebug( "WIFIAPPLET: A value has changed -> repainting." );
             repaint();
         }
         
         if ( status->isVisible() )
             updatePopupWindow();
     } else checkInterface();
 }
 
 void WirelessApplet::mousePressEvent( QMouseEvent *)
 {   
     if ( status->isVisible() )
          status->hide();
     else
         status->show( true );
 }
 
 bool WirelessApplet::mustRepaint()
 {
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
     
     // check if there are enough changes to justify a (flickering) repaint
     
     // has the interface changed?
     
     if ( iface != oldiface )
     {
         oldiface = iface;
         if ( iface )
         {
 #ifdef MDEBUG
             qDebug( "WIFIAPPLET: We had no interface but now we have one! :-)" );
 #endif
             show();
         }
         else
         {
 #ifdef MDEBUG
             qDebug( "WIFIAPPLET: We had a interface but now we don't have one! ;-(" );
 #endif
             hide();
             return true;
         }
     }
    
     const char** pixmap = getQualityPixmap();
     
     if ( pixmap && ( pixmap != oldpixmap ) )
     {
         oldpixmap = pixmap;
         return true;
     }
     
     int noiseH = iface->noisePercent() * ( height() - 3 ) / 100;
     int signalH = iface->signalPercent() * ( height() - 3 ) / 100;
     int qualityH = iface->qualityPercent() * ( height() - 3 ) / 100;
     
     if ( ( noiseH != oldnoiseH )
       || ( signalH != oldsignalH )
       || ( qualityH != oldqualityH ) )
     {
         oldnoiseH = noiseH;
         oldsignalH = signalH;
         oldqualityH = qualityH;
         return true;
     }
 
     if ( rocESSID && ( oldESSID != iface->essid ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: ESSID has changed.");
 #endif
         renewDHCP();
     }
     else if ( rocFREQ && ( oldFREQ != iface->freq ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: FREQ has changed.");
 #endif
         renewDHCP();
     }
     else if ( rocAP && ( oldAP != iface->APAddr ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: AP has changed.");
 #endif
         renewDHCP();
     }
     else if ( rocMODE && ( oldMODE != iface->mode ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: MODE has changed.");
 #endif
         renewDHCP();
     }
     
     oldESSID = iface->essid;
     oldMODE = iface->mode;
     oldFREQ = iface->freq;
     oldAP = iface->APAddr;
     
     return false;
 }
 
 void WirelessApplet::updatePopupWindow()
 {
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
     int qualityH = iface->qualityPercent();
 
     if ( status->mgraph )
         status->mgraph->addValue( qualityH, false );
     
     QString freqString;
     QString cell = ( iface->mode == "Managed" ) ? "AP: " : "Cell: ";
     freqString.sprintf( "%.3f GHz", iface->freq );
     status->statusLabel->setText( "Station: " + iface->nick + "<br>" +
                                   "ESSID: " + iface->essid + "<br>" +
                                   "MODE: " + iface->mode + "<br>" +
                                   "FREQ: " + freqString + "<br>" +
                                   cell + " " + iface->APAddr );
 }   
 
 const char** WirelessApplet::getQualityPixmap()
 {    
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
     
     if ( !iface ) return ( const char** ) nowireless_xpm;
     int qualityH = iface->qualityPercent();
     if ( qualityH < 0 ) return ( const char** ) nowireless_xpm;
     
     if ( visualStyle == STYLE_ANTENNA )
     {
         if ( qualityH < 1 ) return ( const char** ) connect0_xpm;
         if ( qualityH < 17 ) return ( const char** ) connect1_xpm; 
         if ( qualityH < 34 ) return ( const char** ) connect2_xpm;
         if ( qualityH < 50 ) return ( const char** ) connect3_xpm;
         if ( qualityH < 65 ) return ( const char** ) connect4_xpm;
         return ( const char** ) connect5_xpm;
     }
     
     return 0; // please draw your bars
 }
 
 void WirelessApplet::paintEvent( QPaintEvent* )
 {
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
 
     QPainter p(this);
     QColor color;
 
     const char** pixmap = getQualityPixmap();
 
     if ( pixmap )
         p.drawPixmap( 0, 1, pixmap );
     else
     {
 
         int noiseH = iface->noisePercent() * ( height() - 3 ) / 100;
         int signalH = iface->signalPercent() * ( height() - 3 ) / 100;
         int qualityH = iface->qualityPercent() * ( height() - 3 ) / 100;
 
         double intensity;
         int pixelHeight;
         int pixelWidth = 2;
         int Hue;
         int barSpace = 3;
         int leftoffset = 0;
         int bottomoffset = 2;
 
         // draw noise indicator
         pixelHeight = noiseH;
         Hue = 50;
         for ( int i = 0; i < pixelHeight; ++i )
         {
             intensity = 50 + ( (double) i / (double) pixelHeight ) * 205;
             color.setHsv( Hue, 255, intensity );
             p.setPen ( color );
             p.drawLine( leftoffset, height()-bottomoffset-i, pixelWidth+leftoffset, height()-bottomoffset-i );
         }
 
         // draw signal indicator
         pixelHeight = signalH;
         Hue = 100;
         leftoffset += pixelWidth + barSpace;
         for ( int i = 0; i < pixelHeight; ++i )
         {
             intensity = 50 + ( (double) i / (double) pixelHeight ) * 205;
             color.setHsv( Hue, 255, intensity );
             p.setPen ( color );
             p.drawLine( leftoffset, height()-bottomoffset-i, pixelWidth+leftoffset, height()-bottomoffset-i );
         }
 
         // draw quality indicator
         pixelHeight = qualityH;
         Hue = 250;
         leftoffset += pixelWidth + barSpace;
         for ( int i = 0; i < pixelHeight; ++i )
         {
             intensity = 50 + ( (double) i / (double) pixelHeight ) * 205;
             color.setHsv( Hue, 255, intensity );
             p.setPen ( color );
             p.drawLine( leftoffset, height()-bottomoffset-i, pixelWidth+leftoffset, height()-bottomoffset-i );
         }
     }    
 }