Released version 6.1.3

examples/sysinfo/sysinfo.cpp

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+#include <qapplication.h>
+#include <qwidget.h>
+#include <qfont.h>
+#include <qlabel.h>
+#include <qgroupbox.h>
+#include <qlayout.h>
+#include <qwt_thermo.h>
+#include <qwt_color_map.h>
+
+class ValueBar: public QWidget
+{
+public:
+    ValueBar( Qt::Orientation orientation,
+              const QString &text, QWidget *parent, double value = 0.0 ):
+        QWidget( parent )
+    {
+        d_label = new QLabel( text, this );
+        d_label->setFont( QFont( "Helvetica", 10 ) );
+
+        d_thermo = new QwtThermo( this );
+        d_thermo->setOrientation( orientation );
+        d_thermo->setScale( 0.0, 100.0 );
+        d_thermo->setValue( value );
+        d_thermo->setFont( QFont( "Helvetica", 8 ) );
+        d_thermo->setPipeWidth( 6 );
+        d_thermo->setScaleMaxMajor( 6 );
+        d_thermo->setScaleMaxMinor( 5 );
+        d_thermo->setFillBrush( Qt::darkMagenta );
+
+#if 0
+        QwtLinearColorMap *colorMap =
+            new QwtLinearColorMap( Qt::blue, Qt::red );
+
+        colorMap->addColorStop( 0.2, Qt::yellow );
+        colorMap->addColorStop( 0.3, Qt::cyan );
+        colorMap->addColorStop( 0.4, Qt::green );
+        colorMap->addColorStop( 0.5, Qt::magenta );
+        colorMap->setMode( QwtLinearColorMap::FixedColors );
+        d_thermo->setColorMap( colorMap );
+#endif
+
+        QVBoxLayout *layout = new QVBoxLayout( this );
+        layout->setMargin( 0 );
+        layout->setSpacing( 0 );
+
+        if ( orientation == Qt::Horizontal )
+        {
+            d_label->setAlignment( Qt::AlignCenter );
+            d_thermo->setScalePosition( QwtThermo::LeadingScale );
+            layout->addWidget( d_label );
+            layout->addWidget( d_thermo );
+        }
+        else
+        {
+            d_label->setAlignment( Qt::AlignRight );
+            d_thermo->setScalePosition( QwtThermo::TrailingScale );
+            layout->addWidget( d_thermo, 10, Qt::AlignHCenter );
+            layout->addWidget( d_label, 0 );
+        }
+    }
+
+    void setValue( double value )
+    {
+        d_thermo->setValue( value );
+    }
+
+private:
+    QLabel *d_label;
+    QwtThermo *d_thermo;
+};
+
+class SysInfo : public QFrame
+{
+public:
+    SysInfo( QWidget *parent = NULL ):
+        QFrame( parent )
+    {
+        QGroupBox *memBox = new QGroupBox( "Memory Usage", this );
+        memBox->setFont( QFont( "Helvetica", 10 ) );
+
+        QVBoxLayout *memLayout = new QVBoxLayout( memBox );
+        memLayout->setMargin( 15 );
+        memLayout->setSpacing( 5 );
+
+        Qt::Orientation o = Qt::Horizontal;
+        memLayout->addWidget( new ValueBar( o, "Used", memBox, 57 ) );
+        memLayout->addWidget( new ValueBar( o, "Shared", memBox, 17 ) );
+        memLayout->addWidget( new ValueBar( o, "Cache", memBox, 30 ) );
+        memLayout->addWidget( new ValueBar( o, "Buffers", memBox, 22 ) );
+        memLayout->addWidget( new ValueBar( o, "Swap Used", memBox, 57 ) );
+        memLayout->addWidget( new QWidget( memBox ), 10 ); // spacer
+
+        QGroupBox *cpuBox = new QGroupBox( "Cpu Usage", this );
+        cpuBox->setFont( QFont( "Helvetica", 10 ) );
+
+        QHBoxLayout *cpuLayout = new QHBoxLayout( cpuBox );
+        cpuLayout->setMargin( 15 );
+        cpuLayout->setSpacing( 5 );
+
+        o = Qt::Vertical;
+        cpuLayout->addWidget( new ValueBar( o, "User", cpuBox, 57 ) );
+        cpuLayout->addWidget( new ValueBar( o, "Total", cpuBox, 73 ) );
+        cpuLayout->addWidget( new ValueBar( o, "System", cpuBox, 16 ) );
+        cpuLayout->addWidget( new ValueBar( o, "Idle", cpuBox, 27 ) );
+
+        QHBoxLayout *layout = new QHBoxLayout( this );
+        layout->setMargin( 10 );
+        layout->addWidget( memBox, 10 );
+        layout->addWidget( cpuBox, 0 );
+    }
+};
+
+int main ( int argc, char **argv )
+{
+    QApplication a( argc, argv );
+
+    SysInfo info;
+    info.resize( info.sizeHint().expandedTo( QSize( 600, 400 ) ) );
+    info.show();
+
+    int rv = a.exec();
+    return rv;
+}

examples/sysinfo/sysinfo.pro

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+################################################################
+# Qwt Widget Library
+# Copyright (C) 1997   Josef Wilgen
+# Copyright (C) 2002   Uwe Rathmann
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the Qwt License, Version 1.0
+################################################################
+
+include( $${PWD}/../examples.pri )
+
+TARGET  = sysinfo
+
+SOURCES = \
+    sysinfo.cpp