Class: TclTkWidget

Class | TclTkWidget
In: | tk/lib/tcltk.rb
Parent: | TclTkCommand

class TclTkWidget: tcl/tk widget

### Methods

new

### Public Class methods

new(*args)

initialize(*args):

      *args: parameters

[Source]

    # File tk/lib/tcltk.rb, line 260
      def initialize(*args)
        if args[0].kind_of?(TclTkIp)
          # in case the 1st argument is TclTkIp:

          # Wrap tcl/tk widget by TclTkWidget
          # (used in TclTkInterpreter#initialize())

          # need two arguments
          fail("illegal # of parameter") if args.size != 2

          # ip: interpreter(TclTkIp)
          # exp: tcl/tk representation
          ip, exp = args

          # initialize TclTkObject
          super(ip, exp)
        elsif args[0].kind_of?(TclTkInterpreter)
          # in case 1st parameter is TclTkInterpreter:

          # generate new widget from parent widget

          # interp: interpreter(TclTkInterpreter)
          # parent: parent widget
          # command: widget generating tk command(label Εω)
          # *args: argument to the command
          interp, parent, command, *args = args

          # generate widget name
          exp = parent.to_s()
          exp += "." if exp !~ /[.]$/
          exp += TclTk._newname("w_")
          # initialize TclTkObject
          super(interp._tcltkip(), exp)
          # generate widget
          res = @ip._eval_args(command, exp, *args)
    #      fail("can't create Widget") if res != exp
          # for tk_optionMenu, it is legal res != exp
        else
          fail("first parameter is not TclTkInterpreter")
        end
      end

[Validate]