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""" Demonstration of the Pmw ComboBox megawidget.
"""
# Import Pmw from the sibling directory.
import sys
sys.path[:0] = ['../../..']
import string
import Tkinter
import Pmw
colours = ('cornsilk1', 'snow1', 'seashell1', 'antiquewhite1', 'bisque1',
'peachpuff1', 'navajowhite1', 'lemonchiffon1', 'ivory1', 'honeydew1',
'lavenderblush1', 'mistyrose1')
class Demo:
def __init__(self, parent):
# Create a widget to be coloured.
self.target = Tkinter.Label(parent, text = 'Colour me',
relief = 'sunken', padx = 20, pady = 20)
self.target.pack(expand = 1, fill = 'both', padx = 8, pady = 8)
# Create and pack the ComboBox.
self.combobox = Pmw.ComboBox(parent, label_text = 'Colour:',
labelpos = 'wn', selectioncommand = self.execute,
dropdown = 0, scrolledlist_items = colours)
self.combobox.pack(fill = 'both', expand = 1, padx = 8, pady = 8)
# Display the first colour.
firstColour = colours[0]
self.combobox.selectitem(firstColour)
self.execute(firstColour)
def execute(self, colour):
text = 'Colour me ' + colour
print text
self.target.configure(background = colour, text = text)
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = Tkinter.Tk()
Pmw.initialise(root, fontScheme = 'pmw1')
root.title('Pmw ComboBox demonstration')
exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
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