[micropolis] / src / tk / library / demos / color

#!/usr/local/bin/wish -f
#
# Simple script to change colors of a window.

if "$argc < 3" {error "Usage: color appName window option"}
set appName [lindex $argv 0]
set widget [lindex $argv 1]
set option [lindex $argv 2]
set red 0
set green 0
set blue 0

option add *Scale.sliderForeground "#cdb79e"
option add *Scale.activeForeground "#ffe4c4"
pack append . [scale .red -command "color red" -label "Red Intensity" \
        -from 0 -to 255 -orient horizontal -bg "#ffaeb9" -length 250] \
        {top expand fill}
pack append . [scale .green -command "color green" -label "Green Intensity" \
        -from 0 -to 255 -orient horizontal -bg "#43cd80"] {top expand fill}
pack append . [scale .blue -command "color blue" -label "Blue Intensity" \
        -from 0 -to 255 -orient horizontal -bg "#7ec0ee"] {top expand fill}

proc color {which intensity} {
    global red green blue appName widget option
    set $which $intensity
    send $appName $widget config $option \
            [format #%02x%02x%02x $red $green $blue]
}

bind . <Control-q> {destroy .}
bind . <Control-c> {destroy .}
focus .