Class: UI::Input

Inherits:
Object
  • Object
show all
Defined in:
lib/ektoplayer/ui.rb

Constant Summary collapse

KEYMAP_WORKAROUND = 
{
   13  => ICurses::KEY_ENTER,
   127 => ICurses::KEY_BACKSPACE,
}

Class Method Summary collapse

Class Method Details

.readline(*args, **opts, &block) ⇒ Object 



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# File 'lib/ektoplayer/ui.rb', line 148

def self.readline(*args, **opts, &block)
   (@@readline_obj ||= ReadlineWindow.new).readline(*args, **opts) do |result|
      Canvas.class_variable_get('@@updating').synchronize { yield result }
   end
end

.start_loop ⇒ Object 



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# File 'lib/ektoplayer/ui.rb', line 82

def self.start_loop
   @@readline_obj ||= ReadlineWindow.new

   loop do
      unless @@readline_obj.active?
         ICurses.stdscr.keypad(true)
         ICurses.curs_set(0)
         ICurses.nonl

         until @@readline_obj.active?
            c = EscapeSequenceTranslator.to_curses(s = STDIN.readpartial(10))
            #Ektoplayer::Application.log(self, s)

            if c.is_a? ICurses::IMouseEvent
               UI::Canvas.widget.mouse_click(c)
            elsif c
               UI::Canvas.widget.key_press(c)
            end

            inactivity_count = 0
            until @@readline_obj.active? or inactivity_count > 10
               if (c = (ICurses.stdscr.getch1(1000).ord rescue -1)) > -1
                  inactivity_count = 0

                  if c == ICurses::KEY_MOUSE
                     if (c = ICurses.getmouse)
                        UI::Canvas.widget.mouse_click(c)
                     end
                  else
                     UI::Canvas.widget.key_press(KEYMAP_WORKAROUND[c])
                  end
               else
                  inactivity_count += 1
                  GC.start
               end
            end
         end
      else
         ICurses.stdscr.keypad(false)
         ICurses.curs_set(1)
         ICurses.nl

         begin
            @@readline_obj.redraw
            next unless (c = (ICurses.stdscr.getch1(100).ord rescue -1)) > -1

            if c == 10 or c == 4
               @@readline_obj.feed(?\n.ord)
            else
               @@readline_obj.feed(c)

               if c == 27 # pass 3-character escape sequence
                  ICurses.stdscr.timeout(5)
                  if (c = (ICurses.stdscr.getch.ord rescue -1)) > -1
                     @@readline_obj.feed(c)
                     if (c = (ICurses.stdscr.getch.ord rescue -1)) > -1
                        @@readline_obj.feed(c)
                     end
                  end
               end
            end
         end while @@readline_obj.active?
      end
   end
end