Mercurial > cpython-lru_cache-weakref

annotate Lib/lib-tk/ScrolledText.py @ 25838:8540887bcec6 2.2

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Backport of 2.183: Fix memory leak in add_subclass() found by NealN with valgrind.
author Guido van Rossum <guido@python.org>
date Fri, 18 Oct 2002 13:42:21 +0000
parents af51604d00db
children 90c77b8af1a4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Guido van Rossum <guido@python.org>
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1 # A ScrolledText widget feels like a text widget but also has a
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2 # vertical scroll bar on its right. (Later, options may be added to
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3 # add a horizontal bar as well, to make the bars disappear
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4 # automatically when not needed, to move them to the other side of the
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5 # window, etc.)
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6 #
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7 # Configuration options are passed to the Text widget.
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8 # A Frame widget is inserted between the master and the text, to hold
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9 # the Scrollbar widget.
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10 # Most methods calls are inherited from the Text widget; Pack methods
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11 # are redirected to the Frame widget however.
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12
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13 from Tkinter import *
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14 from Tkinter import _cnfmerge
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15
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16 class ScrolledText(Text):
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17 def __init__(self, master=None, cnf=None, **kw):
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18 if cnf is None:
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19 cnf = {}
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20 if kw:
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21 cnf = _cnfmerge((cnf, kw))
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22 fcnf = {}
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23 for k in cnf.keys():
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24 if type(k) == ClassType or k == 'name':
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25 fcnf[k] = cnf[k]
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26 del cnf[k]
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27 self.frame = apply(Frame, (master,), fcnf)
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28 self.vbar = Scrollbar(self.frame, name='vbar')
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29 self.vbar.pack(side=RIGHT, fill=Y)
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30 cnf['name'] = 'text'
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31 apply(Text.__init__, (self, self.frame), cnf)
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32 self.pack(side=LEFT, fill=BOTH, expand=1)
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33 self['yscrollcommand'] = self.vbar.set
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34 self.vbar['command'] = self.yview
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35
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2a7d5ffece1c SF patch #491183 (Jeff Epler): ScrolledText.grid() doesn't work
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36 # Copy geometry methods of self.frame -- hack!
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37 methods = Pack.__dict__.keys()
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38 methods = methods + Grid.__dict__.keys()
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39 methods = methods + Place.__dict__.keys()
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40
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41 for m in methods:
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42 if m[0] != '_' and m != 'config' and m != 'configure':
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43 setattr(self, m, getattr(self.frame, m))