listbox
*******

Avec de la couleur

.. figure:: data/20100811_1.jpg

.. code-block:: python

    from tkinter import *
    from tkinter import ttk
    
    # identify variables
    countrynames = ('Argentina', 'Australia', 'Belgium', 'Brazil', 'Canada', \
            'China', 'Denmark', 'Finland', 'France', 'Greece', 'India', \
            'Italy', 'Japan', 'Mexico', 'Netherlands', 'Norway', 'Spain', \
            'Sweden', 'Switzerland')
    
    def showPopulation(*args):
        print(countrynames[int(lbox.curselection()[0])])
    
    #generate gui
    root = Tk()
    cnames = StringVar(value=countrynames)
    
    c = ttk.Frame(root)
    c.pack(fill=BOTH, expand=1)
    
    s = Scrollbar(c)
    lbox = Listbox(c, listvariable=cnames, height=5)
    lbox.pack(side=LEFT, fill=BOTH, expand=1)
    s.pack(side=RIGHT, fill=Y)
    
    s.config(command=lbox.yview)
    lbox.config(yscrollcommand=s.set)
    
    lbox.bind('<<ListboxSelect>>', showPopulation)
    
    # Colorize alternating lines of the listbox
    for i in range(0,len(countrynames),2):
        lbox.itemconfigure(i, background='#f0f0ff')
    
    lbox.selection_set(0)
    root.mainloop()