Class: Rfd::CommandLineWindow

Inherits:
Window
  • Object
show all
Defined in:
lib/rfd/windows.rb

Instance Method Summary collapse

Methods inherited from Window

draw_borders, #writeln

Constructor Details

#initialize ⇒ CommandLineWindow

Returns a new instance of CommandLineWindow.



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# File 'lib/rfd/windows.rb', line 140

def initialize
  super maxy: 1, maxx: Curses.cols, begy: Curses.lines - 1, begx: 0
end

Instance Method Details

#get_command(prompt: nil, default: nil) ⇒ Object 



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# File 'lib/rfd/windows.rb', line 181

def get_command(prompt: nil, default: nil)
  startx = prompt ? prompt.size : 1
  setpos 0, startx
  s = getstr_with_echo default
  "#{prompt[1..-1] if prompt}#{s.strip}"
end

#getstr_with_echo(default = nil) ⇒ Object 



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# File 'lib/rfd/windows.rb', line 150

def getstr_with_echo(default = nil)
  str = default || ''.dup

  unless str.empty?
    self << str
    refresh
  end

  loop do
    case (c = Curses.getch)
    when 27, 3  # ESC, C-c
      raise Interrupt
    when 10, 13
      break
    when 127, 263  # delete
      raise Interrupt if curx == 1

      setpos cury, curx - 1
      delch
      refresh
      str.chop!
    else
      Rfd.log "#{__method__}: #{c}"
      self << c
      refresh
      str << c
    end
  end
  str
end

#set_prompt(str) ⇒ Object 



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# File 'lib/rfd/windows.rb', line 144

def set_prompt(str)
  attron(Curses.color_pair(Curses::COLOR_WHITE) | Curses::A_BOLD) do
    writeln 0, str
  end
end

#show_error(str) ⇒ Object 



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# File 'lib/rfd/windows.rb', line 188

def show_error(str)
  attron(Curses.color_pair(Curses::COLOR_RED) | Curses::A_BOLD) do
    writeln 0, str
  end
  noutrefresh
end