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131 lines
2.8 KiB
131 lines
2.8 KiB
#include <math.h>
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#include <stdlib.h>
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#include <config.h>
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#ifdef HAVE_SYS_LOADAVG_H
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#include <sys/loadavg.h> // e.g. Solaris
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#endif
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#include <tqpainter.h>
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#include <tqbitmap.h>
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#include <tqdatetime.h>
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#include <tqdrawutil.h>
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#include <tqtimer.h>
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#include <kdebug.h>
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#include <kglobal.h>
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#include <kwin.h>
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#include <kiconloader.h>
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#include <kpixmap.h>
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#include <kpixmapeffect.h>
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#include <klocale.h>
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#include <kstandarddirs.h>
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#include <kpopupmenu.h>
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#include <taskmanager.h>
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#include "kaspopup.h"
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#include "kastasker.h"
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#include "kasloaditem.h"
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#include "kasloaditem.moc"
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KasLoadItem::KasLoadItem( KasBar *parent )
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: KasItem( parent )
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{
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TQTimer *t = new TQTimer( this, "KasLoadItem::t" );
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connect( t, TQT_SIGNAL( timeout() ), TQT_SLOT( updateDisplay() ) );
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t->start( 1000 );
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updateDisplay();
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connect( this, TQT_SIGNAL(rightButtonClicked(TQMouseEvent *)), TQT_SLOT(showMenuAt(TQMouseEvent *) ) );
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}
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KasLoadItem::~KasLoadItem()
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{
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}
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void KasLoadItem::updateDisplay()
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{
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double load[3];
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int ret = getloadavg( load, 3 );
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if ( ret == -1 )
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return;
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valuesOne.append( load[0] );
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valuesFive.append( load[1] );
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valuesFifteen.append( load[2] );
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if ( valuesOne.count() > 2/*(extent()-2)*/ ) {
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valuesOne.pop_front();
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valuesFive.pop_front();
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valuesFifteen.pop_front();
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}
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setText( TQString("%1").arg( valuesOne.last(), 3, 'f', 2 ) );
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}
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void KasLoadItem::paint( TQPainter *p )
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{
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double val = valuesOne.last();
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double maxValue = 1.0;
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double scaleVal = QMAX( val, valuesFive.last() );
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if ( scaleVal >= maxValue )
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maxValue = 2.0;
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if ( scaleVal >= maxValue )
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maxValue = 5.0;
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if ( scaleVal >= maxValue )
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maxValue = 10.0;
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if ( scaleVal >= maxValue )
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maxValue = 20.0;
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if ( scaleVal >= maxValue )
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maxValue = 50.0;
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if ( scaleVal >= maxValue )
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maxValue = 100.0;
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double dh = extent()-16;
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dh = dh / maxValue;
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int h = (int) floor( dh * val );
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int w = extent()-4;
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h = (h > 0) ? h : 1;
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w = (w > 0) ? w : 1;
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KasItem::paint( p );
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TQColor light = kasbar()->colorGroup().highlight();
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TQColor dark = light.dark();
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KPixmap pix;
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pix.resize( w, h );
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KPixmapEffect::gradient( pix, light, dark, KPixmapEffect::DiagonalGradient );
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p->drawPixmap( 2, extent()-2-h, pix );
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p->setPen( kasbar()->colorGroup().mid() );
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for ( double pos = 0.2 ; pos < 1.0 ; pos += 0.2 ) {
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int ypos = (int) floor((extent()-2) - (dh*maxValue*pos));
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p->drawLine( 2, ypos, extent()-3, ypos );
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}
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}
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void KasLoadItem::showMenuAt( TQMouseEvent *ev )
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{
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hidePopup();
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showMenuAt( ev->globalPos() );
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}
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void KasLoadItem::showMenuAt( TQPoint p )
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{
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mouseLeave();
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kasbar()->updateMouseOver();
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KasTasker *bar = dynamic_cast<KasTasker *> (KasItem::kasbar());
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if ( !bar )
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return;
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KPopupMenu *menu = bar->contextMenu();
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menu->exec( p );
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}
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