99 lines
2.7 KiB
Plaintext
99 lines
2.7 KiB
Plaintext
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#!/usr/bin/env python
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# Modified file based upon John Finlay's PyGTK 2.0 Tutorial
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# http://www.pygtk.org/pygtk2tutorial/sec-ProgressBars.html
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import pygtk
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pygtk.require('2.0')
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import gtk, gobject
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# Update the value of the progress bar so that we get
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# some movement
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def progress_timeout(pbobj):
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# Calculate the value of the progress bar using the
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# value range set in the adjustment object
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new_val = pbobj.pbar.get_fraction() + 0.10
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if new_val > 1.0:
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return False
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# Set the new value
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pbobj.pbar.set_fraction(new_val)
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# As this is a timeout function, return TRUE so that it
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# continues to get called until we reach 1.0
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return True
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class ProgressBar:
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# start the progress bar
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def start_progress(self, widget, data=None):
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# Add a timer callback to update the value of the progress bar
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try:
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gobject.source_remove(self.timer)
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except:
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pass
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self.pbar.set_fraction(0.0)
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self.timer = 0
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self.timer = gobject.timeout_add (500, progress_timeout, self)
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# Clean up allocated memory and remove the timer
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def destroy_progress(self, widget, data=None):
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try:
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gobject.source_remove(self.timer)
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except:
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pass
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self.timer = 0
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gtk.main_quit()
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def __init__(self):
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self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
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self.window.set_resizable(True)
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self.window.connect("destroy", self.destroy_progress)
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self.window.set_title("ProgressBar")
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self.window.set_border_width(0)
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vbox = gtk.VBox(False, 5)
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vbox.set_border_width(10)
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self.window.add(vbox)
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vbox.show()
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# Create a centering alignment object
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align = gtk.Alignment(0.5, 0.5, 0, 0)
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vbox.pack_start(align, False, False, 5)
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align.show()
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# Create the ProgressBar
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self.pbar = gtk.ProgressBar()
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self.pbar.set_text("some text")
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self.pbar.set_fraction(0.0)
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align.add(self.pbar)
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self.pbar.show()
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separator = gtk.HSeparator()
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vbox.pack_start(separator, False, False, 0)
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separator.show()
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# Add a button to start the progress button
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button = gtk.Button("start")
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button.connect("clicked", self.start_progress)
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vbox.pack_start(button, False, False, 0)
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button.show()
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# Add a button to exit the program
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button = gtk.Button("close")
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button.connect("clicked", self.destroy_progress)
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vbox.pack_start(button, False, False, 0)
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button.show()
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self.window.show()
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def main():
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gtk.main()
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return 0
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if __name__ == "__main__":
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ProgressBar()
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main()
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