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pygtk/layout.py

 

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#!/usr/bin/env python

 

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#

 

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# [SNIPPET_NAME: Layout]

 

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# [SNIPPET_CATEGORIES: PyGTK]

 

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# [SNIPPET_DESCRIPTION: A simple widget layout example]

 

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# example layout.py

 

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import pygtk

 

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pygtk.require('2.0')

 

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import gtk

 

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import random

 

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class LayoutExample:

 

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    def WindowDeleteEvent(self, widget, event):

 

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        # return false so that window will be destroyed

 

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        return False

 

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    def WindowDestroy(self, widget, *data):

 

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        # exit main loop

 

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        gtk.main_quit()

 

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    def ButtonClicked(self, button):

 

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        # move the button

 

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        self.layout.move(button, random.randint(0,500),

 

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                         random.randint(0,500))

 

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    def __init__(self):

 

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        # create the top level window

 

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        window = gtk.Window(gtk.WINDOW_TOPLEVEL)

 

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        window.set_title("Layout Example")

 

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        window.set_default_size(300, 300)

 

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        window.connect("delete-event", self.WindowDeleteEvent)

 

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        window.connect("destroy", self.WindowDestroy)

 

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        # create the table and pack into the window

 

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        table = gtk.Table(2, 2, False)

 

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        window.add(table)

 

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        # create the layout widget and pack into the table

 

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        self.layout = gtk.Layout(None, None)

 

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        self.layout.set_size(600, 600)

 

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        table.attach(self.layout, 0, 1, 0, 1, gtk.FILL|gtk.EXPAND,

 

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                     gtk.FILL|gtk.EXPAND, 0, 0)

 

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        # create the scrollbars and pack into the table

 

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        vScrollbar = gtk.VScrollbar(None)

 

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        table.attach(vScrollbar, 1, 2, 0, 1, gtk.FILL|gtk.SHRINK,

 

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                     gtk.FILL|gtk.SHRINK, 0, 0)

 

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        hScrollbar = gtk.HScrollbar(None)

 

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        table.attach(hScrollbar, 0, 1, 1, 2, gtk.FILL|gtk.SHRINK,

 

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                     gtk.FILL|gtk.SHRINK, 0, 0) 

 

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        # tell the scrollbars to use the layout widget's adjustments

 

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        vAdjust = self.layout.get_vadjustment()

 

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        vScrollbar.set_adjustment(vAdjust)

 

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        hAdjust = self.layout.get_hadjustment()

 

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        hScrollbar.set_adjustment(hAdjust)

 

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        # create 3 buttons and put them into the layout widget

 

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        button = gtk.Button("Press Me")

 

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        button.connect("clicked", self.ButtonClicked)

 

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        self.layout.put(button, 0, 0)

 

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        button = gtk.Button("Press Me")

 

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        button.connect("clicked", self.ButtonClicked)

 

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        self.layout.put(button, 100, 0)

 

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        button = gtk.Button("Press Me")

 

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        button.connect("clicked", self.ButtonClicked)

 

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        self.layout.put(button, 200, 0)

 

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        # show all the widgets

 

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        window.show_all()

 

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def main():

 

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    # enter the main loop

 

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    gtk.main()

 

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    return 0

 

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if __name__ == "__main__":

 

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    LayoutExample()

 

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    main()

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