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""" Demonstration of the Pmw RadioSelect megawidget.
"""
# Import Pmw from the sibling directory.
import sys
sys.path[:0] = ['../../..']
import Tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Create and pack a horizontal RadioSelect widget.
horiz = Pmw.RadioSelect(parent,
labelpos = 'w',
command = self.callback,
label_text = 'Horizontal',
frame_borderwidth = 2,
frame_relief = 'ridge'
)
horiz.pack(fill = 'x', padx = 20, pady = 20)
# Add some buttons to the horizontal RadioSelect.
for text in ('Fruit', 'Vegetables', 'Cereals', 'Legumes'):
horiz.add(text)
horiz.invoke('Cereals')
# Create and pack a multiple selection vertical RadioSelect widget.
self.vert = Pmw.RadioSelect(parent,
orient = 'vertical',
labelpos = 'w',
command = self.multcallback,
label_text = 'Multiple\nselection\nvertical',
hull_borderwidth = 2,
hull_relief = 'ridge',
selectmode = 'multiple',
)
self.vert.pack(expand = 1, pady = 20)
# Add some buttons to the vertical RadioSelect.
for text in ('Apricots', 'Eggplant', 'Rice', 'Lentils'):
self.vert.add(text)
def callback(self, tag):
# This is called whenever the user clicks on a button
# in the single select RadioSelect widget.
print 'Button', tag, 'was pressed.'
def multcallback(self, tag, state):
# This is called whenever the user clicks on a button
# in the multiple select RadioSelect widget.
if state:
action = 'pressed.'
else:
action = 'released.'
print 'Button', tag, 'was', action, \
'Selection:', self.vert.getcurselection()
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = Tkinter.Tk()
Pmw.initialise(root, fontScheme = 'pmw1')
root.title('Pmw RadioSelect demonstration')
exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
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