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/Demo/tix/samples/ComboBox.py

http://unladen-swallow.googlecode.com/
Python | 102 lines | 50 code | 15 blank | 37 comment | 1 complexity | d27e9e37d37eea0b46b7f3d0566fbe27 MD5 | raw file
  1# -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
  2#
  3# $Id: ComboBox.py 36560 2004-07-18 06:16:08Z tim_one $
  4#
  5# Tix Demostration Program
  6#
  7# This sample program is structured in such a way so that it can be
  8# executed from the Tix demo program "tixwidgets.py": it must have a
  9# procedure called "RunSample". It should also have the "if" statment
 10# at the end of this file so that it can be run as a standalone
 11# program.
 12
 13# This file demonstrates the use of the tixComboBox widget, which is close
 14# to the MS Window Combo Box control.
 15#
 16import Tix
 17
 18def RunSample(w):
 19    global demo_month, demo_year
 20
 21    top = Tix.Frame(w, bd=1, relief=Tix.RAISED)
 22
 23    demo_month = Tix.StringVar()
 24    demo_year = Tix.StringVar()
 25
 26    # $w.top.a is a drop-down combo box. It is not editable -- who wants
 27    # to invent new months?
 28    #
 29    # [Hint] The -options switch sets the options of the subwidgets.
 30    # [Hint] We set the label.width subwidget option of both comboboxes to
 31    #        be 10 so that their labels appear to be aligned.
 32    #
 33    a = Tix.ComboBox(top, label="Month: ", dropdown=1,
 34        command=select_month, editable=0, variable=demo_month,
 35        options='listbox.height 6 label.width 10 label.anchor e')
 36
 37    # $w.top.b is a non-drop-down combo box. It is not editable: we provide
 38    # four choices for the user, but he can enter an alternative year if he
 39    # wants to.
 40    #
 41    # [Hint] Use the padY and anchor options of the label subwidget to
 42    #        align the label with the entry subwidget.
 43    # [Hint] Notice that you should use padY (the NAME of the option) and not
 44    #        pady (the SWITCH of the option).
 45    #
 46    b = Tix.ComboBox(top, label="Year: ", dropdown=0,
 47        command=select_year, editable=1, variable=demo_year,
 48        options='listbox.height 4 label.padY 5 label.width 10 label.anchor ne')
 49
 50    a.pack(side=Tix.TOP, anchor=Tix.W)
 51    b.pack(side=Tix.TOP, anchor=Tix.W)
 52
 53    a.insert(Tix.END, 'January')
 54    a.insert(Tix.END, 'February')
 55    a.insert(Tix.END, 'March')
 56    a.insert(Tix.END, 'April')
 57    a.insert(Tix.END, 'May')
 58    a.insert(Tix.END, 'June')
 59    a.insert(Tix.END, 'July')
 60    a.insert(Tix.END, 'August')
 61    a.insert(Tix.END, 'September')
 62    a.insert(Tix.END, 'October')
 63    a.insert(Tix.END, 'November')
 64    a.insert(Tix.END, 'December')
 65
 66    b.insert(Tix.END, '1992')
 67    b.insert(Tix.END, '1993')
 68    b.insert(Tix.END, '1994')
 69    b.insert(Tix.END, '1995')
 70    b.insert(Tix.END, '1996')
 71
 72    # Use "tixSetSilent" to set the values of the combo box if you
 73    # don't want your -command procedures (cbx:select_month and
 74    # cbx:select_year) to be called.
 75    #
 76    a.set_silent('January')
 77    b.set_silent('1995')
 78
 79    box = Tix.ButtonBox(w, orientation=Tix.HORIZONTAL)
 80    box.add('ok', text='Ok', underline=0, width=6,
 81            command=lambda w=w: ok_command(w))
 82    box.add('cancel', text='Cancel', underline=0, width=6,
 83            command=lambda w=w: w.destroy())
 84    box.pack(side=Tix.BOTTOM, fill=Tix.X)
 85    top.pack(side=Tix.TOP, fill=Tix.BOTH, expand=1)
 86
 87def select_month(event=None):
 88    # tixDemo:Status "Month = %s" % demo_month.get()
 89    pass
 90
 91def select_year(event=None):
 92    # tixDemo:Status "Year = %s" % demo_year.get()
 93    pass
 94
 95def ok_command(w):
 96    # tixDemo:Status "Month = %s, Year= %s" % (demo_month.get(), demo_year.get())
 97    w.destroy()
 98
 99if __name__ == '__main__':
100    root = Tix.Tk()
101    RunSample(root)
102    root.mainloop()