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#!/usr/bin/env python
# example progressbar.py
import pygtk
pygtk.require('2.0')
import gtk
# Update the value of the progress bar so that we get
# some movement
def progress_timeout(pbobj):
if pbobj.activity_check.get_active():
pbobj.pbar.pulse()
else:
# Calculate the value of the progress bar using the
# value range set in the adjustment object
new_val = pbobj.pbar.get_fraction() + 0.01
if new_val > 1.0:
new_val = 0.0
# Set the new value
pbobj.pbar.set_fraction(new_val)
# As this is a timeout function, return TRUE so that it
# continues to get called
return gtk.TRUE
class ProgressBar:
# Callback that toggles the text display within the progress
# bar trough
def toggle_show_text(self, widget, data=None):
if widget.get_active():
self.pbar.set_text("some text")
else:
self.pbar.set_text("")
# Callback that toggles the activity mode of the progress
# bar
def toggle_activity_mode(self, widget, data=None):
if widget.get_active():
self.pbar.pulse()
else:
self.pbar.set_fraction(0.0)
# Callback that toggles the orientation of the progress bar
def toggle_orientation(self, widget, data=None):
if self.pbar.get_orientation() == gtk.PROGRESS_LEFT_TO_RIGHT:
self.pbar.set_orientation(gtk.PROGRESS_RIGHT_TO_LEFT)
elif self.pbar.get_orientation() == gtk.PROGRESS_RIGHT_TO_LEFT:
self.pbar.set_orientation(gtk.PROGRESS_LEFT_TO_RIGHT)
# Clean up allocated memory and remove the timer
def destroy_progress(self, widget, data=None):
gtk.timeout_remove(self.timer)
self.timer = 0
gtk.main_quit()
def __init__(self):
self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.window.set_resizable(gtk.TRUE)
self.window.connect("destroy", self.destroy_progress)
self.window.set_title("ProgressBar")
self.window.set_border_width(0)
vbox = gtk.VBox(gtk.FALSE, 5)
vbox.set_border_width(10)
self.window.add(vbox)
vbox.show()
# Create a centering alignment object
align = gtk.Alignment(0.5, 0.5, 0, 0)
vbox.pack_start(align, gtk.FALSE, gtk.FALSE, 5)
align.show()
# Create the ProgressBar
self.pbar = gtk.ProgressBar()
align.add(self.pbar)
self.pbar.show()
# Add a timer callback to update the value of the progress bar
self.timer = gtk.timeout_add (100, progress_timeout, self)
separator = gtk.HSeparator()
vbox.pack_start(separator, gtk.FALSE, gtk.FALSE, 0)
separator.show()
# rows, columns, homogeneous
table = gtk.Table(2, 2, gtk.FALSE)
vbox.pack_start(table, gtk.FALSE, gtk.TRUE, 0)
table.show()
# Add a check button to select displaying of the trough text
check = gtk.CheckButton("Show text")
table.attach(check, 0, 1, 0, 1,
gtk.EXPAND | gtk.FILL, gtk.EXPAND | gtk.FILL,
5, 5)
check.connect("clicked", self.toggle_show_text)
check.show()
# Add a check button to toggle activity mode
self.activity_check = check = gtk.CheckButton("Activity mode")
table.attach(check, 0, 1, 1, 2,
gtk.EXPAND | gtk.FILL, gtk.EXPAND | gtk.FILL,
5, 5)
check.connect("clicked", self.toggle_activity_mode)
check.show()
# Add a check button to toggle orientation
check = gtk.CheckButton("Right to Left")
table.attach(check, 0, 1, 2, 3,
gtk.EXPAND | gtk.FILL, gtk.EXPAND | gtk.FILL,
5, 5)
check.connect("clicked", self.toggle_orientation)
check.show()
# Add a button to exit the program
button = gtk.Button("close")
button.connect("clicked", self.destroy_progress)
vbox.pack_start(button, gtk.FALSE, gtk.FALSE, 0)
# This makes it so the button is the default.
button.set_flags(gtk.CAN_DEFAULT)
# This grabs this button to be the default button. Simply hitting
# the "Enter" key will cause this button to activate.
button.grab_default ()
button.show()
self.window.show()
def main():
gtk.main()
return 0
if __name__ == "__main__":
ProgressBar()
main()
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