class TclTkVariable - tk-0.2.0 Documentation

# class TclTkVariable

class TclTkVariable: tcl/tk variable

### Public Class Methods

new(interp, dat) click to toggle source

initialize(interp, dat):

    interp: interpreter(TclTkInterpreter)
    dat: the value to set(String)
        if nil, not initialize variable

Calls superclass method TclTkObject.new

    # File lib/tcltk.rb, line 230
    def initialize(interp, dat)
      # auto-generate tcl/tk representation (variable name)
      exp = TclTk._newname("v_")
      # initialize TclTkObject
      super(interp._tcltkip(), exp)
      # safe this for `set' command
      @set = interp.commands()["set"]
      # set value
      set(dat) if dat
    end

### Public Instance Methods

get() click to toggle source

get(): read tcl/tk variable(String) using `set'

    # File lib/tcltk.rb, line 251
    def get()
      return @set.e(to_s())
    end

set(data) click to toggle source

set(data): set tcl/tk variable using `set'

    data: new value

    # File lib/tcltk.rb, line 246
    def set(data)
      @set.e(to_s(), data.to_s())
    end