Tk::X_Scrollable

Public Instance Methods

xscrollbar(bar=nil) click to toggle source

 
               # File tk/lib/tk/scrollable.rb, line 29
def xscrollbar(bar=nil)
  if bar
    @xscrollbar = bar
    @xscrollbar.orient 'horizontal'
    self.xscrollcommand {|*arg| @xscrollbar.set(*arg)}
    @xscrollbar.command {|*arg| self.xview(*arg)}
    Tk.update  # avoid scrollbar trouble
  end
  @xscrollbar
end

xscrollcommand(cmd=Proc.new) click to toggle source

 
               # File tk/lib/tk/scrollable.rb, line 8
def xscrollcommand(cmd=Proc.new)
  configure_cmd 'xscrollcommand', cmd
  # Tk.update  # avoid scrollbar trouble
  self
end

xview(*index) click to toggle source

 
               # File tk/lib/tk/scrollable.rb, line 14
def xview(*index)
  if index.size == 0
    list(tk_send_without_enc('xview'))
  else
    tk_send_without_enc('xview', *index)
    self
  end
end

xview_moveto(*index) click to toggle source

 
               # File tk/lib/tk/scrollable.rb, line 22
def xview_moveto(*index)
  xview('moveto', *index)
end

xview_scroll(*index) click to toggle source

 
               # File tk/lib/tk/scrollable.rb, line 25
def xview_scroll(*index)
  xview('scroll', *index)
end

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