Module: Rurses

Defined in:
lib/terminal-notes/rurses.rb,
lib/terminal-notes/rurses/window.rb,
lib/terminal-notes/rurses/version.rb,
lib/terminal-notes/rurses/panel_stack.rb

Defined Under Namespace

Classes: PanelStack, Window

Constant Summary collapse

SPECIAL_KEYS = 
Hash[
  FFI::NCurses::KeyDefs
    .constants
    .select { |name| name.to_s.start_with?("KEY_") }
    .map    { |name|
      [ FFI::NCurses::KeyDefs.const_get(name),
        name.to_s.sub(/\AKEY_/, "").to_sym ]
    }
]
VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.curses ⇒ Object 



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# File 'lib/terminal-notes/rurses.rb', line 20

def curses
  FFI::NCurses
end

.get_key ⇒ Object 



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# File 'lib/terminal-notes/rurses.rb', line 36

def get_key
  case (char = curses.getch)
  when curses::KeyDefs::KEY_CODE_YES..curses::KeyDefs::KEY_MAX
    SPECIAL_KEYS[char]
  when curses::ERR
    nil
  when 1
    :CTRL_A
  when 5
    :CTRL_E
  when 10
    :ENTER
  when 11
    :CTRL_K
  when 14
    :CTRL_N
  when 23
    :CTRL_W
  when 24
    :CTRL_X
  when 127
    :BACKSPACE
  else
    char.chr
  end
end

.program(modes: [ ]) ⇒ Object 



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# File 'lib/terminal-notes/rurses.rb', line 24

def program(modes: [ ])
  @stdscr = Window.new(curses_ref: curses.initscr, standard_screen: true)
  @stdscr.change_modes(modes)
  yield(@stdscr)
ensure
  curses.endwin
end

.stdscr ⇒ Object 



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# File 'lib/terminal-notes/rurses.rb', line 32

def stdscr
  @stdscr
end

.update_screen ⇒ Object 



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# File 'lib/terminal-notes/rurses.rb', line 63

def update_screen
  curses.doupdate
end