# -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-## $Id: ComboBox.py 36560 2004-07-18 06:16:08Z tim_one $## Tix Demostration Program## This sample program is structured in such a way so that it can be# executed from the Tix demo program "tixwidgets.py": it must have a# procedure called "RunSample". It should also have the "if" statment# at the end of this file so that it can be run as a standalone# program. # This file demonstrates the use of the tixComboBox widget, which is close# to the MS Window Combo Box control.#import Tix def RunSample(w):    global demo_month, demo_year     top = Tix.Frame(w, bd=1, relief=Tix.RAISED)     demo_month = Tix.StringVar()    demo_year = Tix.StringVar()     # $w.top.a is a drop-down combo box. It is not editable -- who wants    # to invent new months?    #    # [Hint] The -options switch sets the options of the subwidgets.    # [Hint] We set the label.width subwidget option of both comboboxes to    #        be 10 so that their labels appear to be aligned.    #    a = Tix.ComboBox(top, label="Month: ", dropdown=1,        command=select_month, editable=0, variable=demo_month,        options='listbox.height 6 label.width 10 label.anchor e')     # $w.top.b is a non-drop-down combo box. It is not editable: we provide    # four choices for the user, but he can enter an alternative year if he    # wants to.    #    # [Hint] Use the padY and anchor options of the label subwidget to    #        align the label with the entry subwidget.    # [Hint] Notice that you should use padY (the NAME of the option) and not    #        pady (the SWITCH of the option).    #    b = Tix.ComboBox(top, label="Year: ", dropdown=0,        command=select_year, editable=1, variable=demo_year,        options='listbox.height 4 label.padY 5 label.width 10 label.anchor ne')     a.pack(side=Tix.TOP, anchor=Tix.W)    b.pack(side=Tix.TOP, anchor=Tix.W)     a.insert(Tix.END, 'January')    a.insert(Tix.END, 'February')    a.insert(Tix.END, 'March')    a.insert(Tix.END, 'April')    a.insert(Tix.END, 'May')    a.insert(Tix.END, 'June')    a.insert(Tix.END, 'July')    a.insert(Tix.END, 'August')    a.insert(Tix.END, 'September')    a.insert(Tix.END, 'October')    a.insert(Tix.END, 'November')    a.insert(Tix.END, 'December')     b.insert(Tix.END, '1992')    b.insert(Tix.END, '1993')    b.insert(Tix.END, '1994')    b.insert(Tix.END, '1995')    b.insert(Tix.END, '1996')     # Use "tixSetSilent" to set the values of the combo box if you    # don't want your -command procedures (cbx:select_month and    # cbx:select_year) to be called.    #    a.set_silent('January')    b.set_silent('1995')     box = Tix.ButtonBox(w, orientation=Tix.HORIZONTAL)    box.add('ok', text='Ok', underline=0, width=6,            command=lambda w=w: ok_command(w))    box.add('cancel', text='Cancel', underline=0, width=6,            command=lambda w=w: w.destroy())    box.pack(side=Tix.BOTTOM, fill=Tix.X)    top.pack(side=Tix.TOP, fill=Tix.BOTH, expand=1) def select_month(event=None):    # tixDemo:Status "Month = %s" % demo_month.get()    pass def select_year(event=None):    # tixDemo:Status "Year = %s" % demo_year.get()    pass def ok_command(w):    # tixDemo:Status "Month = %s, Year= %s" % (demo_month.get(), demo_year.get())    w.destroy() if __name__ == '__main__':    root = Tix.Tk()    RunSample(root)    root.mainloop()