Merged revisions 68006 via svnmerge from

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  r68006 | martin.v.loewis | 2008-12-29 16:51:01 +0100 (Mo, 29 Dez 2008) | 2 lines

  Issue #3248: Allow placing ScrolledText in a PanedWindow.
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This commit is contained in:
Martin v. Löwis 2008-12-29 16:03:04 +00:00
parent 7560d7a245
commit e354d78b30
2 changed files with 43 additions and 31 deletions

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@ -1,42 +1,52 @@
# 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.
"""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.)
from tkinter import *
from tkinter import _cnfmerge
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, Grid and
Place methods are redirected to the Frame widget however.
"""
__all__ = ['ScrolledText']
from tkinter import Frame, Text, Scrollbar, Pack, Grid, Place
from tkinter.constants import RIGHT, LEFT, Y, BOTH
class ScrolledText(Text):
def __init__(self, master=None, cnf=None, **kw):
if cnf is None:
cnf = {}
if kw:
cnf = _cnfmerge((cnf, kw))
fcnf = {k:v for k,v in cnf.items() if isinstance(k,type) or k=='name'}
for k in fcnf.keys():
del cnf[k]
self.frame = Frame(master, **fcnf)
self.vbar = Scrollbar(self.frame, name='vbar')
def __init__(self, master=None, **kw):
self.frame = Frame(master)
self.vbar = Scrollbar(self.frame)
self.vbar.pack(side=RIGHT, fill=Y)
cnf['name'] = 'text'
Text.__init__(self, self.frame, **cnf)
self.pack(side=LEFT, fill=BOTH, expand=1)
self['yscrollcommand'] = self.vbar.set
kw.update({'yscrollcommand': self.vbar.set})
Text.__init__(self, self.frame, **kw)
self.pack(side=LEFT, fill=BOTH, expand=True)
self.vbar['command'] = self.yview
# Copy geometry methods of self.frame -- hack!
methods = Pack.__dict__.keys()
methods = methods + Grid.__dict__.keys()
methods = methods + Place.__dict__.keys()
methods = vars(Pack).keys() + vars(Grid).keys() + vars(Place).keys()
for m in methods:
if m[0] != '_' and m != 'config' and m != 'configure':
setattr(self, m, getattr(self.frame, m))
def __str__(self):
return str(self.frame)
def example():
import __main__
from tkinter.constants import END
stext = ScrolledText(bg='white', height=10)
stext.insert(END, __main__.__doc__)
stext.pack(fill=BOTH, side=LEFT, expand=True)
stext.focus_set()
stext.mainloop()
if __name__ == "__main__":
example()

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@ -64,6 +64,8 @@ Core and Builtins
Library
-------
- Issue #3248: Allow placing ScrolledText in a PanedWindow.
- Issue #4444: Allow assertRaises() to be used as a context handler, so that
the code under test can be written inline if more practical.