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Diffstat (limited to 'lib/python2.7/lib-tk/ScrolledText.py')
-rw-r--r-- | lib/python2.7/lib-tk/ScrolledText.py | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/python2.7/lib-tk/ScrolledText.py b/lib/python2.7/lib-tk/ScrolledText.py new file mode 100644 index 0000000..a1ef79c --- /dev/null +++ b/lib/python2.7/lib-tk/ScrolledText.py @@ -0,0 +1,55 @@ +"""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, Grid and +Place methods are redirected to the Frame widget however. +""" + +__all__ = ['ScrolledText'] + +from Tkinter import Frame, Text, Scrollbar, Pack, Grid, Place +from Tkconstants import RIGHT, LEFT, Y, BOTH + +class ScrolledText(Text): + def __init__(self, master=None, **kw): + self.frame = Frame(master) + self.vbar = Scrollbar(self.frame) + self.vbar.pack(side=RIGHT, fill=Y) + + 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 without overriding Text + # methods -- hack! + text_meths = vars(Text).keys() + methods = vars(Pack).keys() + vars(Grid).keys() + vars(Place).keys() + methods = set(methods).difference(text_meths) + + 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 Tkconstants 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() |