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# A ScrolledText widget feels like a text widget but also has a
# vertical scroll bar on its right.  (Later, options may be added to
# add a horizontal bar as well, to make the bars disappear
# automatically when not needed, to move them to the other side of the
# window, etc.)
#
# Configuration options are passed to the Text widget.
# A Frame widget is inserted between the master and the text, to hold
# the Scrollbar widget.
# Most methods calls are inherited from the Text widget; Pack methods
# are redirected to the Frame widget however.

from Tkinter import *
from Tkinter import _cnfmerge

class ScrolledText(Text):
	def __init__(self, master=None, **cnf):
		fcnf = {}
		for k in cnf.keys():
			if type(k) == ClassType or k == 'name':
				fcnf[k] = cnf[k]
				del cnf[k]
		self.frame = apply(Frame, (master,), fcnf)
		self.vbar = Scrollbar(self.frame, name='vbar')
		self.vbar.pack(side=RIGHT, fill=Y)
		cnf['name'] = 'text'
		apply(Text.__init__, (self, self.frame), cnf)
		self.pack(side=LEFT, fill=BOTH, expand=1)
		self['yscrollcommand'] = self.vbar.set
		self.vbar['command'] = self.yview

		# Copy Pack methods of self.frame -- hack!
		for m in Pack.__dict__.keys():
			if m[0] != '_' and m != 'config':
				setattr(self, m, getattr(self.frame, m))