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# mkCheck w
#
# Create a top-level window that displays a bunch of check buttons.
#
# Arguments:
#    w -	Name to use for new top-level window.

proc mkCheck {{w .c1}} {
    catch {destroy $w}
    toplevel $w
    dpos $w
    wm title $w "Checkbutton demonstration"
    wm iconname $w "Checkbuttons"
    message $w.msg -font -Adobe-times-medium-r-normal--*-180* -aspect 300 \
	    -text "Three checkbuttons are displayed below.  If you click on a button, it will toggle the button's selection state and set a Tcl variable to a value indicating the state of the checkbutton.  Click the \"See Variables\" button to see the current values of the variables.  Click the \"OK\" button when you've seen enough."
    frame $w.frame -borderwidth 10
    pack append $w.frame \
	[checkbutton $w.frame.b1 -text "Wipers OK" -variable wipers \
	    -relief flat] {top pady 4 expand frame w} \
	[checkbutton $w.frame.b2 -text "Brakes OK" -variable brakes \
	    -relief flat] {top pady 4 expand frame w} \
	[checkbutton $w.frame.b3 -text "Driver Sober" -variable sober \
	    -relief flat] {top pady 4 expand frame w}
    frame $w.frame2
    pack append $w.frame2 \
	[button $w.frame2.ok -text OK -command "destroy $w"] \
	    {left expand fill} \
	[button $w.frame2.vars -text "See Variables" \
	    -command "showVars $w.dialog wipers brakes sober"] \
	    {left expand fill}
    button $w.ok -text OK -command "destroy $w"

    pack append $w $w.msg {top fill} $w.frame {top expand fill} \
	    $w.frame2 {bottom fill}
}