Edit file File name : radio.tcl Content :# radio.tcl -- # # This demonstration script creates a toplevel window containing # several radiobutton widgets. if {![info exists widgetDemo]} { error "This script should be run from the \"widget\" demo." } package require Tk set w .radio catch {destroy $w} toplevel $w wm title $w "Radiobutton Demonstration" wm iconname $w "radio" positionWindow $w label $w.msg -font $font -wraplength 5i -justify left -text "Three groups of radiobuttons are displayed below. If you click on a button then the button will become selected exclusively among all the buttons in its group. A Tcl variable is associated with each group to indicate which of the group's buttons is selected. When the 'Tristate' button is pressed, the radio buttons will display the tri-state mode. Selecting any radio button will return the buttons to their respective on/off state. Click the \"See Variables\" button to see the current values of the variables." grid $w.msg -row 0 -column 0 -columnspan 3 -sticky nsew ## See Code / Dismiss buttons set btns [addSeeDismiss $w.buttons $w [list size color align]] grid $btns -row 3 -column 0 -columnspan 3 -sticky ew labelframe $w.left -pady 2 -text "Point Size" -padx 2 labelframe $w.mid -pady 2 -text "Color" -padx 2 labelframe $w.right -pady 2 -text "Alignment" -padx 2 button $w.tristate -text Tristate -command "set size multi; set color multi" \ -pady 2 -padx 2 if {[tk windowingsystem] eq "aqua"} { $w.tristate configure -padx 10 } grid $w.left -column 0 -row 1 -pady .5c -padx .5c -rowspan 2 grid $w.mid -column 1 -row 1 -pady .5c -padx .5c -rowspan 2 grid $w.right -column 2 -row 1 -pady .5c -padx .5c grid $w.tristate -column 2 -row 2 -pady .5c -padx .5c foreach i {10 12 14 18 24} { radiobutton $w.left.b$i -text "Point Size $i" -variable size \ -relief flat -value $i -tristatevalue "multi" pack $w.left.b$i -side top -pady 2 -anchor w -fill x } foreach c {Red Green Blue Yellow Orange Purple} { set lower [string tolower $c] radiobutton $w.mid.$lower -text $c -variable color \ -relief flat -value $lower -anchor w \ -command "$w.mid configure -fg \$color" \ -tristatevalue "multi" pack $w.mid.$lower -side top -pady 2 -fill x } label $w.right.l -text "Label" -bitmap questhead -compound left $w.right.l configure -width [winfo reqwidth $w.right.l] -compound top $w.right.l configure -height [winfo reqheight $w.right.l] foreach a {Top Left Right Bottom} { set lower [string tolower $a] radiobutton $w.right.$lower -text $a -variable align \ -relief flat -value $lower -indicatoron 0 -width 7 \ -command "$w.right.l configure -compound \$align" } grid x $w.right.top grid $w.right.left $w.right.l $w.right.right grid x $w.right.bottom Save