1 # -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*- 2 # 3 # $Id$ 4 # 5 # Tix Demonstration 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 # 16 import Tix 17 18 def 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 87 def select_month(event=None): 88 # tixDemo:Status "Month = %s" % demo_month.get() 89 pass 90 91 def select_year(event=None): 92 # tixDemo:Status "Year = %s" % demo_year.get() 93 pass 94 95 def ok_command(w): 96 # tixDemo:Status "Month = %s, Year= %s" % (demo_month.get(), demo_year.get()) 97 w.destroy() 98 99 if __name__ == '__main__': 100 root = Tix.Tk() 101 RunSample(root) 102 root.mainloop() 103
