Class: Twterm::SearchQueryWindow

Inherits:
Object
  • Object
show all
Includes:
Singleton, Subscriber
Defined in:
lib/twterm/search_query_window.rb

Defined Under Namespace

Classes: CancelInput

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Subscriber

included, #subscribe, #unsubscribe

Constructor Details

#initialize ⇒ SearchQueryWindow

Returns a new instance of SearchQueryWindow.



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# File 'lib/twterm/search_query_window.rb', line 13

def initialize
  @window = Curses.stdscr.subwin(1, Curses.stdscr.maxx, Curses.stdscr.maxy - 1, 0)
  @searching_down = true
  @str = ''
  @last_query = ''

  subscribe(Event::Screen::Resize, :resize)
end

Instance Attribute Details

#last_query ⇒ Object (readonly)

Returns the value of attribute last_query.



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# File 'lib/twterm/search_query_window.rb', line 11

def last_query
  @last_query
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/twterm/search_query_window.rb', line 73

def clear
  window.clear
  window.refresh
end

#input ⇒ Object 



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# File 'lib/twterm/search_query_window.rb', line 22

def input
  @str = ''
  render_current_string

  Curses.timeout = 10

  chars = []

  loop do
    char = Curses.getch

    if char.nil?
      case chars.first
      when 3, 27 # cancel with <C-c> / Esc
        raise CancelInput
      when 4 # cancel with <C-d> when query is empty
        raise CancelInput if @str.empty?
      when 10 # submit with <C-j>
        @str = last_query.to_s if @str.empty?
        break
      when 127 # backspace
        raise CancelInput if @str.empty?

        @str.chop!
        render_current_string
      when 0..31 # rubocop:disable Lint/EmptyWhen
        # ignore control codes (\x00 - \x1f)
      else
        next if chars.empty?
        @str << chars
          .map { |x| x.is_a?(String) ? x.ord : x }
          .pack('c*')
          .force_encoding('utf-8')
        render_current_string
      end

      chars = []
    else
      chars << char
    end
  end

  @last_query = @str unless @str.empty?
  last_query
rescue CancelInput
  @str = ''
  clear
ensure
  Curses.timeout = -1
end

#render_last_query ⇒ Object 



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# File 'lib/twterm/search_query_window.rb', line 78

def render_last_query
  render(last_query) unless last_query.empty?
end

#searching_backward! ⇒ Object 



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# File 'lib/twterm/search_query_window.rb', line 82

def searching_backward!
  @searching_forward = false
end

#searching_backward? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/twterm/search_query_window.rb', line 86

def searching_backward?
  !@searching_forward
end

#searching_down! ⇒ Object 



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# File 'lib/twterm/search_query_window.rb', line 90

def searching_down!
  @searching_down = true
end

#searching_down? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/twterm/search_query_window.rb', line 94

def searching_down?
  @searching_down
end

#searching_forward! ⇒ Object 



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# File 'lib/twterm/search_query_window.rb', line 98

def searching_forward!
  @searching_forward = true
end

#searching_forward? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/twterm/search_query_window.rb', line 102

def searching_forward?
  @searching_forward
end

#searching_up! ⇒ Object 



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# File 'lib/twterm/search_query_window.rb', line 106

def searching_up!
  @searching_down = false
end

#searching_up? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/twterm/search_query_window.rb', line 110

def searching_up?
  !@searching_down
end