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#Pmw copyright
#Copyright 1997-1999 Telstra Corporation Limited, Australia
#Copyright 2000-2002 Really Good Software Pty Ltd, Australia
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is furnished
#to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in all
#copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
#INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
#PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
#HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
#OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
#SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from Tkinter import *
import Pmw
class Gauge(Pmw.MegaWidget):
def __init__(self, parent=None, **kw):
# Define the options for the megawidget
optiondefs = (
('min', 0, Pmw.INITOPT),
('max', 100, Pmw.INITOPT),
('fill', 'red', None),
('size', 30, Pmw.INITOPT),
('value', 0, None),
('showvalue', 1, None),
)
self.defineoptions(kw, optiondefs)
# Initialize the base class
Pmw.MegaWidget.__init__(self, parent)
interior = self.interior()
# Create the gauge component
self.gauge = self.createcomponent('gauge',
(), None,
Frame, (interior,),
borderwidth=0)
self.canvas = Canvas(self.gauge,
width=self['size'], height=self['size'],
background=interior.cget('background'))
self.canvas.pack(side=TOP, expand=1, fill=BOTH, anchor=CENTER)
self.gauge.grid()
# Create the scale component
self.scale = self.createcomponent('scale',
(), None,
Scale, (interior,),
command=self._setGauge,
length=200,
from_ = self['min'],
to = self['max'],
showvalue=self['showvalue'])
self.scale.grid()
value=self['value']
if value is not None:
self.scale.set(value)
# Check keywords and initialize options
self.initialiseoptions(Gauge)
def _setGauge(self, value):
self.canvas.delete('gauge')
ival = self.scale.get()
ticks = self['max'] - self['min']
arc = (360.0/ticks) * ival
xy = 3,3,self['size'],self['size']
start = 90-arc
if start < 0:
start = 360 + start
self.canvas.create_arc(xy, start=start, extent=arc-.001,
fill=self['fill'], tags=('gauge',))
Pmw.forwardmethods(Gauge, Scale, 'scale')
root = Tk()
#root.option_readfile('optionDB')
root.title('Gauge')
Pmw.initialise()
g1 = Gauge(root, fill='red', value=10, min=0, max=255)
g1.pack(side=LEFT, padx=1, pady=10)
g2 = Gauge(root, fill='green', value=20, min=0, max=255)
g2.pack(side=LEFT, padx=1, pady=10)
g3 = Gauge(root, fill='blue', value=30, min=0, max=255)
g3.pack(side=LEFT, padx=1, pady=10)
g4 = Gauge(root, fill='black', value=40, min=0, max=255)
g4.pack(side=LEFT, padx=1, pady=10)
g5 = Gauge(root, fill='pink', value=50, min=0, max=255)
g5.pack(side=LEFT, padx=1, pady=10)
g6 = Gauge(root, fill='yellow', value=60, min=0, max=255)
g6.pack(side=LEFT, padx=1, pady=10)
g7 = Gauge(root, fill='purple', value=70, min=0, max=255)
g7.pack(side=LEFT, padx=1, pady=10)
g8 = Gauge(root, fill='gray', value=80, min=0, max=255)
g8.pack(side=LEFT, padx=1, pady=10)
root.mainloop()
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