Method: CDK::VIEWER#drawInfo

Defined in:
lib/cdk/components/viewer.rb

#drawInfo ⇒ Object

This draws the viewer info lines.



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# File 'lib/cdk/components/viewer.rb', line 711

def drawInfo
  temp = ''
  line_adjust = false

  # Clear the window.
  @win.werase

  self.drawTitle(@win)

  # Draw in the current line at the top.
  if @show_line_info == true
    # Set up the info line and draw it.
    if @in_progress
      temp = 'processing...'
    elsif @list_size != 0
      temp = '%d/%d %2.0f%%' % [@current_top + 1, @list_size,
          ((1.0 * @current_top + 1) / (@list_size)) * 100]
    else
      temp = '%d/%d %2.0f%%' % [0, 0, 0.0]
    end

    # The list_adjust variable tells us if we have to shift down one line
    # because the person asked for the line X of Y line at the top of the
    # screen. We only want to set this to true if they asked for the info
    # line and there is no title or if the two items overlap.
    if @title_lines == '' || @title_pos[0] < temp.size + 2
      list_adjust = true
    end
    Draw.writeChar(@win, 1,
        if list_adjust then @title_lines else 0 end + 1,
        temp, CDK::HORIZONTAL, 0, temp.size)
  end

  # Determine the last line to draw.
  last_line = [@list_size, @view_size].min
  last_line -= if list_adjust then 1 else 0 end

  # Redraw the list.
  (0...last_line).each do |x|
    if @current_top + x < @list_size
      screen_pos = @list_pos[@current_top + x] + 1 - @left_char

      Draw.writeChtype(@win,
          if screen_pos >= 0 then screen_pos else 1 end,
          x + @title_lines + if list_adjust then 1 else 0 end + 1,
          @list[x + @current_top], CDK::HORIZONTAL,
          if screen_pos >= 0
          then 0
          else @left_char - @list_pos[@current_top + x]
          end,
          @list_len[x + @current_top])
    end
  end

  # Box it if we have to.
  if @box
    Draw.drawObjBox(@win, self)
    wrefresh
  end

  # Draw the separation line.
  if @button_count > 0
    boxattr = @BXAttr

    (1..@box_width).each do |x|
      @win.mvwaddch(@box_height - 3, x, @HZChar | boxattr)
    end

    @win.mvwaddch(@box_height - 3, 0, Ncurses::ACS_LTEE | boxattr)
    @win.mvwaddch(@box_height - 3, @win.getmaxx - 1,
        Ncurses::ACS_RTEE | boxattr)
  end

  # Draw the buttons. This will call refresh on the viewer win.
  self.drawButtons
end