Class Tk::Tcllib::Tkpiechart::Slice < TkcItem

# File ext/tk/lib/tkextlib/tcllib/tkpiechart.rb, line 169
def initialize(pie, *args)
  unless pie.kind_of?(Pie) && pie != :no_create
    fail ArgumentError, "expects TkPiechart::Pie for 1st argument"
  end

  if pie == :no_create
    @pie, @tag_key = args
  else
    text = args[0] || None
    @pie = pie
    @tag_key = tk_call_without_enc('pie::newSlice', @pie.tag_key, text)
  end
  @parent = @c = @pie.canvas
  @path = @parent.path

  @pie._entry_slice(self)

  @id = "slices(#{@tag_key})"
  @tag = TkcNamedTag.new(@pie.canvas, @id)

  CItemID_TBL.mutex.synchronize{
    CItemID_TBL[@path] = {} unless CItemID_TBL[@path]
    CItemID_TBL[@path][@id] = self
  }
end

# File ext/tk/lib/tkextlib/tcllib/tkpiechart.rb, line 205
def delete
  tk_call_without_enc('pie::deleteSlice', @pie.tag_key, @tag_key)
  CItemID_TBL.mutex.synchronize{
    CItemID_TBL[@path].delete(@id) if CItemID_TBL[@path]
  }
  @pie._delete_slice(self)
  self
end

# File ext/tk/lib/tkextlib/tcllib/tkpiechart.rb, line 220
def label(text)
  tk_call_without_enc('pie::labelSlice', @pie.tag_key, @tag_key, text)
  self
end

# File ext/tk/lib/tkextlib/tcllib/tkpiechart.rb, line 201
def pie
  @pie
end

# File ext/tk/lib/tkextlib/tcllib/tkpiechart.rb, line 214
def size(share, disp=None)
  tk_call_without_enc('pie::sizeSlice',
                      @pie.tag_key, @tag_key, share, disp)
  self
end

# File ext/tk/lib/tkextlib/tcllib/tkpiechart.rb, line 198
def tag
  @tag
end

# File ext/tk/lib/tkextlib/tcllib/tkpiechart.rb, line 195
def tag_key
  @tag_key
end