File: solid_processor.py

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from PyQt4.QtCore import SIGNAL, Qt
from PyQt4.QtGui import QTreeWidget, QTreeWidgetItem, QLabel

from PyKDE4.kdecore import i18n
from PyKDE4.solid import Solid
from PyKDE4.kdeui import KVBox

helpText = """The Solid class discovers information about the hardware on a machine.

Solid.Processor objects retrieve information about the processor on a machine. The
table below shows the data for your machine. Not all computers make processor info
accessible, so the table may be empty.

We use Solid.Device.allDevices () to get a list of all devices, and then
filter it for Solid.Processor types.
"""

class MainFrame(KVBox):
    def __init__(self, parent=None):
        KVBox.__init__(self, parent)
        self.help  = QLabel (i18n (helpText), self)
        self.layout ().setAlignment (self.help, Qt.AlignHCenter)
        self.setSpacing (10)
        
        display = QTreeWidget (self)        
        display.setHeaderLabels (["Processor", "Max Speed", "Number", "Change Freq"])
        
        # retrieve a list of Solid.Device for this machine
        deviceList = Solid.Device.allDevices ()

        # filter the list of all devices and display matching results
        for device in deviceList:
            if device.isDeviceInterface (Solid.DeviceInterface.Processor):
                cpu = device.asDeviceInterface (Solid.DeviceInterface.Processor)
                QTreeWidgetItem (display, [device.product (),
                                           str (cpu.maxSpeed ()),
                                           str (cpu.number ()),
                                           str (cpu.canChangeFrequency ())])

        
        

# This example can be run standalone

if __name__ == '__main__':

    import sys
    
    from PyKDE4.kdecore import KCmdLineArgs, KAboutData, KLocalizedString, ki18n
    from PyKDE4.kdeui import KApplication, KMainWindow
    
    
    class MainWin (KMainWindow):
        def __init__ (self, *args):
            KMainWindow.__init__ (self)

            self.resize(640, 480)
            self.setCentralWidget (MainFrame (self))
    
    
    #-------------------- main ------------------------------------------------
    
    appName     = "Solid_Processor"
    catalog     = ""
    programName = ki18n ("Solid_Processor")                 #ki18n required here
    version     = "1.0"
    description = ki18n ("Solid.Processor Example")         #ki18n required here
    license     = KAboutData.License_GPL
    copyright   = ki18n ("(c) 2007 Jim Bublitz")    #ki18n required here
    text        = ki18n ("none")                    #ki18n required here
    homePage    = "www.riverbankcomputing.com"
    bugEmail    = "jbublitz@nwinternet.com"

    aboutData   = KAboutData (appName, catalog, programName, version, description,
                              license, copyright, text, homePage, bugEmail)

    # ki18n required for first two addAuthor () arguments
    aboutData.addAuthor (ki18n ("Troy Melhase"), ki18n ("original concept"))
    aboutData.addAuthor (ki18n ("Jim Bublitz"), ki18n ("pykdedocs"))
    
    KCmdLineArgs.init (sys.argv, aboutData)
    
    app = KApplication ()
    mainWindow = MainWin (None, "main window")
    mainWindow.show()
    app.connect (app, SIGNAL ("lastWindowClosed ()"), app.quit)
    app.exec_ ()