#!/usr/bin/X11/wafe --f

proc prim {number} \
     {
     set result ""
     for {set divisor 2} {$divisor <= $number} {} \
          {
          if [expr $number%$divisor] \
               {
               incr divisor
               } \
          else \
               {
               if {$result == ""} {set result $divisor} else {set result  $result*$divisor}
               set number [expr $number/$divisor]
               }
          }
     sV result label $result
     }

proc doEval {num} \
     {
     if [regexp ^\[0-9\]+\$ $num] \
          {
               if [catch {time {prim $num}} result] \
               {
               sV result label ""
               sV info label "invalid input"
               } \
          else \
               {  
               scan $result "%d %s" time junk
               sV info label "[expr $time/1000] milliseconds"
               } \
          } \
     else {sV result label ""; sV info label "invalid input"}
     }          

form top topLevel

asciiText input top editType edit width 200
action input override {<Key>Return: exec(sV info label "thinking...") exec(addTimeOut 10 {doEval [gV input string]})}

label result top label {} width 200 fromVert input

command quit top fromVert result callback quit

label info top fromVert result fromHoriz quit borderWidth 0 width 150 label {}

realize