Method: CDK::GRAPH#initialize

Defined in:
lib/cdk/dialog.rb

#initialize(cdkscreen, xplace, yplace, height, width, title, xtitle, ytitle) ⇒ GRAPH

Returns a new instance of GRAPH.



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# File 'lib/cdk/dialog.rb', line 345

def initialize(cdkscreen, xplace, yplace, height, width,
    title, xtitle, ytitle)
  super()
  parent_width = cdkscreen.window.getmaxx
  parent_height = cdkscreen.window.getmaxy

  self.setBox(false)

  box_height = CDK.setWidgetDimension(parent_height, height, 3)
  box_width = CDK.setWidgetDimension(parent_width, width, 0)
  box_width = self.setTitle(title, box_width)
  box_height += @title_lines
  box_width = [parent_width, box_width].min
  box_height = [parent_height, box_height].min

  # Rejustify the x and y positions if we need to
  xtmp = [xplace]
  ytmp = [yplace]
  CDK.alignxy(cdkscreen.window, xtmp, ytmp, box_width, box_height)
  xpos = xtmp[0]
  ypos = ytmp[0]

  # Create the widget pointer
  @screen = cdkscreen
  @parent = cdkscreen.window
  @win = Ncurses::WINDOW.new(box_height, box_width, ypos, xpos)
  @box_height = box_height
  @box_width = box_width
  @minx = 0
  @maxx = 0
  @xscale = 0
  @yscale = 0
  @count = 0
  @display_type = :LINE

  if @win.nil?
    self.destroy
    return nil
  end
  @win.keypad(true)

  # Translate the X axis title string to a chtype array
  if !(xtitle.nil?) && xtitle.size > 0
    xtitle_len = []
    xtitle_pos = []
    @xtitle = CDK.char2Chtype(xtitle, xtitle_len, xtitle_pos)
    @xtitle_len = xtitle_len[0]
    @xtitle_pos = CDK.justifyString(@box_height,
        @xtitle_len, xtitle_pos[0])
  else
    xtitle_len = []
    xtitle_pos = []
    @xtitle = CDK.char2Chtype("<C></5>X Axis", xtitle_len, xtitle_pos)
    @xtitle_len = title_len[0]
    @xtitle_pos = CDK.justifyString(@box_height,
        @xtitle_len, xtitle_pos[0])
  end

  # Translate the Y Axis title string to a chtype array
  if !(ytitle.nil?) && ytitle.size > 0
    ytitle_len = []
    ytitle_pos = []
    @ytitle = CDK.char2Chtype(ytitle, ytitle_len, ytitle_pos)
    @ytitle_len = ytitle_len[0]
    @ytitle_pos = CDK.justifyString(@box_width, @ytitle_len, ytitle_pos[0])
  else
    ytitle_len = []
    ytitle_pos = []
    @ytitle = CDK.char2Chtype("<C></5>Y Axis", ytitle_len, ytitle_pos)
    @ytitle_len = ytitle_len[0]
    @ytitle_pos = CDK.justifyString(@box_width, @ytitle_len, ytitle_pos[0])
  end

  @graph_char = 0
  @values = []

  cdkscreen.register(:GRAPH, self)
end