Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / v9 / lib / python2.4 / site-packages / Pmw / Pmw_1_2 / doc / example.py

import Tkinter 
import Pmw

class ThresholdScale(Pmw.MegaWidget):
   """ Megawidget containing a scale and an indicator.
   """

   def __init__(self, parent = None, **kw):

       # Define the megawidget options.
       optiondefs = (
           ('colors',    ('green', 'red'), None),
           ('threshold', 50,               None),
           ('value',     None,             Pmw.INITOPT),
       )
       self.defineoptions(kw, optiondefs)

       # Initialise base class (after defining options).
       Pmw.MegaWidget.__init__(self, parent)

       # Create the components.
       interior = self.interior()

       # Create the indicator component.
       self.indicator = self.createcomponent('indicator',
               (), None,
               Tkinter.Frame, interior,
                       width = 16,
                       height = 16,
                       borderwidth = 2,
                       relief = 'raised')
       self.indicator.grid()

       # Create the scale component.
       self.scale = self.createcomponent('scale',
               (), None,
               Tkinter.Scale, interior,
                       command = self._doCommand,
                       tickinterval = 20,
                       length = 200,
                       from_ = 100,
                       to = 0,
                       showvalue = 0)
       self.scale.grid()

       value = self['value']
       if value is not None:
           self.scale.set(value)

       # Check keywords and initialise options.
       self.initialiseoptions()

   def _doCommand(self, valueStr):
       if self.scale.get() > self['threshold']:
           color = self['colors'][1]
       else:
           color = self['colors'][0]
       self.indicator.configure(background = color)

Pmw.forwardmethods(ThresholdScale, Tkinter.Scale, 'scale')

# Initialise Tkinter and Pmw.
root = Pmw.initialise()
root.title('Pmw ThresholdScale demonstration')

# Create and pack two ThresholdScale megawidgets.
mega1 = ThresholdScale()
mega1.pack(side = 'left', padx = 10, pady = 10)

mega2 = ThresholdScale(
       colors = ('green', 'yellow'),
       threshold = 75,
       value = 80,
       indicator_width = 32,
       scale_width = 25)
mega2.pack(side = 'left', padx = 10, pady = 10)

# Let's go.
root.mainloop()