View file File name : ttkscale.tcl Content :# ttkscale.tcl -- # # This demonstration script shows an example with a horizontal scale. if {![info exists widgetDemo]} { error "This script should be run from the \"widget\" demo." } package require Tk set w .ttkscale catch {destroy $w} toplevel $w -bg [ttk::style lookup TLabel -background] wm title $w "Themed Scale Demonstration" wm iconname $w "ttkscale" positionWindow $w pack [ttk::frame [set w $w.contents]] -fill both -expand 1 ttk::label $w.msg -font $font -wraplength 3.5i -justify left -text "A label tied to a horizontal scale is displayed below. If you click or drag mouse button 1 in the scale, you can change the contents of the label; a callback command is used to couple the slider to both the text and the coloring of the label." pack $w.msg -side top -padx .5c ## See Code / Dismiss buttons set btns [addSeeDismiss $w.buttons [winfo toplevel $w]] pack $btns -side bottom -fill x ttk::frame $w.frame -borderwidth 10 pack $w.frame -side top -fill x # List of colors from rainbox; "Indigo" is not a standard color set colorList {Red Orange Yellow Green Blue Violet} ttk::label $w.frame.label ttk::scale $w.frame.scale -from 0 -to 5 -command [list apply {{w idx} { set c [lindex $::colorList [tcl::mathfunc::int $idx]] $w.frame.label configure -foreground $c -text "Color: $c" }} $w] # Trigger the setting of the label's text $w.frame.scale set 0 pack $w.frame.label $w.frame.scale