diff options
Diffstat (limited to 'Tools/modulator/ScrolledListbox.py')
-rw-r--r-- | Tools/modulator/ScrolledListbox.py | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Tools/modulator/ScrolledListbox.py b/Tools/modulator/ScrolledListbox.py new file mode 100644 index 0000000..89686ef --- /dev/null +++ b/Tools/modulator/ScrolledListbox.py @@ -0,0 +1,37 @@ +# A ScrolledList widget feels like a list 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 List widget. +# A Frame widget is inserted between the master and the list, to hold +# the Scrollbar widget. +# Most methods calls are inherited from the List widget; Pack methods +# are redirected to the Frame widget however. + +from Tkinter import * +from Tkinter import _cnfmerge + +class ScrolledListbox(Listbox): + def __init__(self, master=None, cnf={}): + cnf = _cnfmerge(cnf) + fcnf = {} + vcnf = {'name': 'vbar', + Pack: {'side': 'right', 'fill': 'y'},} + 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, vcnf) + cnf[Pack] = {'side': 'left', 'fill': 'both', 'expand': 'yes'} + cnf['name'] = 'list' + Listbox.__init__(self, self.frame, cnf) + 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)) |