%PDF- %PDF-
Direktori : /lib64/python2.7/Demo/tix/samples/ |
Current File : //lib64/python2.7/Demo/tix/samples/ComboBox.py |
# -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*- # # $Id$ # # Tix Demonstration 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()