Class: RubyInstaller::Runtime::ConsoleUi::ButtonMatrix

# File 'lib/ruby_installer/runtime/console_ui.rb', line 49

attr_accessor :selected

# File 'lib/ruby_installer/runtime/console_ui.rb', line 103

private def box_border(ncol, nrow)
  box_idx = ncol + nrow * @ncols
  selected = box_idx == @selected
  border = BUTTON_BORDERS[selected ? :double : :thin]
  border = border.each_char.map do |ch|
    selected ? green(ch) : blue(ch)
  end
  box = @boxes[box_idx]&.text
  return box, border, box_idx
end

# File 'lib/ruby_installer/runtime/console_ui.rb', line 83

def click(x, y)
  s = @slines&.[](y)&.[](x)
  if s
    self.selected = s
    true
  end
end

# File 'lib/ruby_installer/runtime/console_ui.rb', line 66

def cursor(direction)
  case direction
  when :left
    @selected -= 1 if @selected > 0
  when :up
    @selected -= @ncols if @selected - @ncols >= 0
  when :right
    @selected += 1 if @selected + 1 < @boxes.size
  when :down
    @selected += @ncols if @selected + @ncols < @boxes.size
  end
end

# File 'lib/ruby_installer/runtime/console_ui.rb', line 115

def repaint(width: @con.winsize[1], height: @con.winsize[0])
  obw = (width.to_f / @ncols).floor
  spw = obw - 4
  nrows = (@boxes.size.to_f / @ncols).ceil
  obh = (height.to_f / nrows).floor
  sph = obh - 2
  line = +""
  slines = [[]]
  nrows.times do |nrow|
    @ncols.times do |ncol|
      box, border, box_idx = box_border(ncol, nrow)
      if box
        line += " #{border[0]}" + "#{border[1]}" * spw + "#{border[2]} "
        slines.last.append(*([box_idx] * obw))
      end
    end
    line += "\n"
    slines << []
    sph.times do |spy|
      @ncols.times do |ncol|
        box, border, box_idx = box_border(ncol, nrow)
        if box
          text_lines = box.lines.map(&:chomp)
          text_pos = spy - (sph - text_lines.size) / 2
          text_line = text_lines[text_pos] if text_pos >= 0
          text_line ||= ""
          spl = (spw - text_line.size) / 2
          spr = spw - spl - text_line.size
          line += " #{border[3]}" + " " * spl + text_line + " " * spr + "#{border[5]} "
          slines.last.append(*([box_idx] * obw))
        end
      end
      line += "\n"
      slines << []
    end
    @ncols.times do |ncol|
      box, border, box_idx = box_border(ncol, nrow)
      if box
        line += " #{border[6]}" + "#{border[7]}" * spw + "#{border[8]} "
        slines.last.append(*([box_idx] * obw))
      end
    end
    line += "\n"
    slines << []
  end
  print "\n#{headline}\n"+line.chomp
  @slines = slines
end

# File 'lib/ruby_installer/runtime/console_ui.rb', line 79

def select
  @boxes[@selected].action.call
end