diff options
Diffstat (limited to 'Lib/lib-tk/ScrolledText.py')
-rw-r--r-- | Lib/lib-tk/ScrolledText.py | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Lib/lib-tk/ScrolledText.py b/Lib/lib-tk/ScrolledText.py new file mode 100644 index 0000000..c96bc3b --- /dev/null +++ b/Lib/lib-tk/ScrolledText.py @@ -0,0 +1,43 @@ +# 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=None, **kw): + if cnf is None: + cnf = {} + if kw: + cnf = _cnfmerge((cnf, kw)) + fcnf = {} + for k in cnf.keys(): + if type(k) == ClassType or k == 'name': + fcnf[k] = cnf[k] + del cnf[k] + self.frame = Frame(master, **fcnf) + self.vbar = Scrollbar(self.frame, name='vbar') + 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 + 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() + + for m in methods: + if m[0] != '_' and m != 'config' and m != 'configure': + setattr(self, m, getattr(self.frame, m)) |