Class: HandyToolbox::Screen

Inherits:
Object
  • Object
show all
Defined in:
lib/handy_toolbox/screen.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#scroll ⇒ Object (readonly)

Returns the value of attribute scroll.



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# File 'lib/handy_toolbox/screen.rb', line 7

def scroll
  @scroll
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/handy_toolbox/screen.rb', line 21

def clear
  scroll.reset
  Curses.clear
end

#close ⇒ Object 



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# File 'lib/handy_toolbox/screen.rb', line 40

def close
  Curses.close_screen
end

#draw ⇒ Object 



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# File 'lib/handy_toolbox/screen.rb', line 26

def draw
  @max_y = 0
  yield
  @scroll.update(@max_y)
  Curses.refresh
end

#init ⇒ Object 



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# File 'lib/handy_toolbox/screen.rb', line 9

def init
  Curses.init_screen
  Curses.start_color
  Ui.hide_cursor
  Curses.cbreak
  Curses.crmode
  Curses.noecho
  Curses.nonl
  Curses.stdscr.keypad(true)
  @scroll = Scroll.new
end

#text_at(x, y, str) ⇒ Object 



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# File 'lib/handy_toolbox/screen.rb', line 33

def text_at(x, y, str)
  if scroll.fits_into_pane?(y)
    Ui.text_at(x, y - scroll.top, str)
  end
  @max_y = y if @max_y < y
end