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#
# Copyright(c) 2001-2003, The Regents of the University of California.
# Produced at the Lawrence Livermore National Laboratory.
# Written by Gary Kumfert <kumfert@llnl.gov>.
# UCRL-CODE-2002-043.
# All rights reserved.
#
# This file is part of Gantlet. For details, see
# http://www.llnl.gov/CASC/components/software.html or contact the author.
#
# Gantlet is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License (as published by
# the Free Software Foundation) version 2.1 dated February 1999.
#
# Gantlet is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even IMPLIED WARRANTY OF MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the terms and conditions of
# the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this software; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ADDITIONAL NOTICE:
#
# A. This notice is required to be provided under our contract with the
# U.S. Department of Energy (DOE). This work was produced at the
# University of California, Lawrence Livermore National Laboratory
# under Contract No. W-7405-ENG-48 with the DOE.
#
# B. Neither the United States Government nor the University of California
# nor any of their employees make any warranty, express or implied, or
# assumes any liability or responsibility for the accuracy, completeness,
# or usefulness of any information, apparatus, product, or process
# disclosed, or represents that its use would not infringe on
# privately-owned rights.
#
# C. Also, reference herein to any specific commercial products, process, or
# services by trade name, trademark, manufacturer or otherwise does not
# necessarily constitute or imply its endoresement, recommendation, or
# favoring by the United States Government or the University of California.
# The views and opinions of authors expressed herein do not necessarily
# state or reflect those of the United States Government or the University
# of California, and shall not be used for advertising or product
# endorsement purposes.
from Tkinter import *
class ProgressMeter(Frame):
def __init__( self, parent=None, w=500, h=20, max=100, bgcolor='grey', fgcolor='green'):
self.bd = 2
self.width = w
self.height = h
self.max = max
self.color = fgcolor
Frame.__init__( self, parent )
self.pack()
self.canvas = Canvas( self, relief=GROOVE, bg=bgcolor,bd=self.bd )
self.canvas.pack()
self.canvas.config(width=self.width-self.bd, height=self.height-self.bd)
self.completed = 0
self.meter = self.canvas.create_rectangle(0,0,0, self.height,fill=self.color)
self.text = self.canvas.create_text(self.width/2, 2*self.height/3, text='0 %',
font=('courier',12,'bold'))
def updateCompleted( self, completed ):
#prevent overflow
completed = max(0, completed)
completed = min( self.max, completed)
#calculate new rectangle
self.completed = completed
percent_done = float(self.completed) / self.max
x = int(percent_done * self.width)
new_meter = self.canvas.create_rectangle(0,0,x,self.height,fill=self.color)
self.canvas.delete(self.meter)
self.meter = new_meter
newtext = "%d %%" % int( percent_done * 100 )
self.canvas.itemconfigure( self.text, text=newtext)
self.canvas.tkraise(self.text)
def add( self, toadd ):
self.updateCompleted(self.completed + toadd )
def subtract( self, tosubtract ):
self.updateCompleted(self.completed + tosubtract )
def newMaximum( self, max ):
self.max = max
self.updateCompleted( self.completed )
def tenMoreCompleted( self ):
self.updateCompleted( self.completed + 10 )
def tenLessCompleted( self ):
self.updateCompleted( self.completed - 10 )
def setGraphically( self, evt ):
x = evt.x
percent_done = float(x) / self.width
completed = int( percent_done * self.max )
self.updateCompleted( completed )
if __name__ == '__main__':
root = Tk()
pg = ProgressMeter(root)
Button(root, text='+10', command=pg.tenMoreCompleted ).pack()
Button(root, text='-10', command=pg.tenLessCompleted ).pack()
pg.canvas.bind('<ButtonPress-1>', pg.setGraphically )
root.mainloop()
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