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#!/usr/bin/python
import sys
import math
#import Qwt
from PyQt4 import Qwt
from PyQt4.QtCore import pyqtSignal, Qt, QSize, QBasicTimer
from PyQt4.QtGui import (QColor, QPixmap, QFont, QIcon, QPalette, QLinearGradient, QMainWindow, QWidget, QToolBar, QToolButton, QHBoxLayout, QLabel, QApplication, QSizePolicy,
QVBoxLayout, QFrame, QGroupBox, QVBoxLayout )
class ValueBar(QWidget):
def __init__(self, orientation, text, parent, value = 0.0 ):
QWidget.__init__(self, parent)
self.d_label = QLabel( text, self )
self.d_label.setFont( QFont( "Helvetica", 10 ) )
self.d_thermo = Qwt.QwtThermo( self )
self.d_thermo.setOrientation( orientation )
self.d_thermo.setScale( 0.0, 100.0 )
self.d_thermo.setValue( value )
self.d_thermo.setFont( QFont( "Helvetica", 8 ) )
self.d_thermo.setPipeWidth( 6 )
self.d_thermo.setScaleMaxMajor( 6 )
self.d_thermo.setScaleMaxMinor( 5 )
self.d_thermo.setFillBrush( Qt.darkMagenta )
"""#if 0
QwtLinearColorMap *colorMap =
QwtLinearColorMap( Qt.blue, Qt.red )
colorMap.addColorStop( 0.2, Qt.yellow )
colorMap.addColorStop( 0.3, Qt.cyan )
colorMap.addColorStop( 0.4, Qt.green )
#dcolorMap.addColorStop( 0.5, Qt.magenta )
colorMap.setMode( QwtLinearColorMap.FixedColors )
d_thermo.setColorMap( colorMap )
#endif"""
self.layout = QVBoxLayout( self )
#self.layout.setMargin( 0 )
self.layout.setSpacing( 0 )
if ( orientation == Qt.Horizontal ):
self.d_label.setAlignment( Qt.AlignCenter )
self.d_thermo.setScalePosition( Qwt.QwtThermo.LeadingScale )
self.layout.addWidget( self.d_label )
self.layout.addWidget( self.d_thermo )
else:
self.d_label.setAlignment( Qt.AlignRight )
self.d_thermo.setScalePosition( Qwt.QwtThermo.TrailingScale )
self.layout.addWidget( self.d_thermo, 10, Qt.AlignHCenter )
self.layout.addWidget( self.d_label, 0 )
def setValue(self, value ):
self.d_thermo.setValue( value )
class SysInfo(QFrame):
def __init__(self, parent = None):
QFrame.__init__(self, parent )
self.memBox = QGroupBox( "Memory Usage", self )
self.memBox.setFont( QFont( "Helvetica", 10 ) )
self.memLayout = QVBoxLayout( self.memBox )
#self.memLayout.setMargin( 15 )
self.memLayout.setSpacing( 5 )
o = Qt.Horizontal
self.memLayout.addWidget( ValueBar( o, "Used", self.memBox, 57 ) )
self.memLayout.addWidget( ValueBar( o, "Shared", self.memBox, 17 ) )
self.memLayout.addWidget( ValueBar( o, "Cache", self.memBox, 30 ) )
self.memLayout.addWidget( ValueBar( o, "Buffers", self.memBox, 22 ) )
self.memLayout.addWidget( ValueBar( o, "Swap Used", self.memBox, 57 ) )
self.memLayout.addWidget( QWidget( self.memBox ), 10 ) # spacer
self.cpuBox = QGroupBox( "Cpu Usage", self )
self.cpuBox.setFont( QFont( "Helvetica", 10 ) )
self.cpuLayout = QHBoxLayout( self.cpuBox )
#self.cpuLayout.setMargin( 15 )
self.cpuLayout.setSpacing( 5 )
o = Qt.Vertical
self.cpuLayout.addWidget( ValueBar( o, "User", self.cpuBox, 57 ) )
self.cpuLayout.addWidget( ValueBar( o, "Total", self.cpuBox, 73 ) )
self.cpuLayout.addWidget( ValueBar( o, "System", self.cpuBox, 16 ) )
self.cpuLayout.addWidget( ValueBar( o, "Idle", self.cpuBox, 27 ) )
self.layout = QHBoxLayout( self )
#self.layout.setMargin( 10 )
self.layout.addWidget( self.memBox, 10 )
self.layout.addWidget( self.cpuBox, 0 )
a = QApplication(sys.argv)
info = SysInfo()
info.resize( info.sizeHint().expandedTo( QSize( 600, 400 ) ) )
info.show()
sys.exit(a.exec_())
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