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# -*-mode: tcl; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: ComboBox.tcl,v 1.3 2001/12/09 05:31:07 idiscovery Exp $
#
# Tix Demostration Program
#
# This sample program is structured in such a way so that it can be
# executed from the Tix demo program "widget": 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 using tixwish.
# This file demonstrates the use of the tixComboBox widget, which is close
# to the MS Window Combo Box control.
#
proc RunSample {w} {
# Create the comboboxes on the top of the dialog box
#
frame $w.top -border 1 -relief raised
# $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.
#
tixComboBox $w.top.a -label "Month: " -dropdown true \
-command cbx:select_month -editable false -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
# aligh 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).
#
tixComboBox $w.top.b -label "Year: " -dropdown false \
-command cbx:select_year -editable true -variable demo_year \
-options {
listbox.height 4
label.padY 5
label.width 10
label.anchor ne
}
pack $w.top.a -side top -anchor w
pack $w.top.b -side top -anchor w
# Insert the choices into the combo boxes
#
$w.top.a insert end January
$w.top.a insert end February
$w.top.a insert end March
$w.top.a insert end April
$w.top.a insert end May
$w.top.a insert end June
$w.top.a insert end July
$w.top.a insert end August
$w.top.a insert end September
$w.top.a insert end October
$w.top.a insert end November
$w.top.a insert end December
$w.top.b insert end 1992
$w.top.b insert end 1993
$w.top.b insert end 1994
$w.top.b insert end 1995
# 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.
#
tixSetSilent $w.top.a January
tixSetSilent $w.top.b 1995
# Use a ButtonBox to hold the buttons.
#
tixButtonBox $w.box -orientation horizontal
$w.box add ok -text Ok -underline 0 -command "cbx:okcmd $w" \
-width 6
$w.box add cancel -text Cancel -underline 0 -command "destroy $w" \
-width 6
pack $w.box -side bottom -fill x
pack $w.top -side top -fill both -expand yes
}
proc cbx:select_year {args} {
tixDemo:Status "you have selected \"$args\""
}
proc cbx:select_month {s} {
tixDemo:Status "you have selected \"$s\""
}
proc cbx:okcmd {w} {
global demo_month demo_year
tixDemo:Status "The month selected is $demo_month of $demo_year"
destroy $w
}
if {![info exists tix_demo_running]} {
wm withdraw .
set w .demo
toplevel $w; wm transient $w ""
RunSample $w
bind $w <Destroy> exit
}
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