title = 'Pmw.ScrolledField demonstration'
# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']
import Tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Create and pack the ScrolledField.
self._field = Pmw.ScrolledField(parent, entry_width = 30,
entry_relief='groove', labelpos = 'n',
label_text = 'Scroll the field using the\nmiddle mouse button')
self._field.pack(fill = 'x', expand = 1, padx = 10, pady = 10)
# Create and pack a button to change the ScrolledField.
self._button = Tkinter.Button(parent, text = 'Change field',
command = self.execute)
self._button.pack(padx = 10, pady = 10)
self._index = 0
self.execute()
def execute(self):
self._field.configure(text = lines[self._index % len(lines)])
self._index = self._index + 1
lines = (
'Alice was beginning to get very tired of sitting by her sister',
'on the bank, and of having nothing to do: once or twice she had',
'peeped into the book her sister was reading, but it had no',
'pictures or conversations in it, "and what is the use of a book,"',
'thought Alice "without pictures or conversation?"',
'Alice\'s Adventures in Wonderland',
'Lewis Carroll',
)
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = Tkinter.Tk()
Pmw.initialise(root)
root.title(title)
exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
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