File: scrolledlist.py

"a simple customizable scrolled listbox component"
from tkinter import *
class ScrolledList(Frame):
 def __init__(self, options, parent=None):
 Frame.__init__(self, parent)
 self.pack(expand=YES, fill=BOTH) # make me expandable
 self.makeWidgets(options)
 def handleList(self, event):
 index = self.listbox.curselection() # on list double-click
 label = self.listbox.get(index) # fetch selection text
 self.runCommand(label) # and call action here
 # or get(ACTIVE)
 def makeWidgets(self, options):
 sbar = Scrollbar(self)
 list = Listbox(self, relief=SUNKEN)
 sbar.config(command=list.yview) # xlink sbar and list
 list.config(yscrollcommand=sbar.set) # move one moves other
 sbar.pack(side=RIGHT, fill=Y) # pack first=clip last
 list.pack(side=LEFT, expand=YES, fill=BOTH) # list clipped first
 pos = 0
 for label in options: # add to listbox
 list.insert(pos, label) # or insert(END,label)
 pos += 1 # or enumerate(options)
 #list.config(selectmode=SINGLE, setgrid=1) # select,resize modes
 list.bind('<Double-1>', self.handleList) # set event handler
 self.listbox = list
 def runCommand(self, selection): # redefine me lower
 print('You selected:', selection)
if __name__ == '__main__':
 options = (('Lumberjack-%s' % x) for x in range(20)) # or map/lambda, [...]
 ScrolledList(options).mainloop()