Module: Lijab::InputHandler

Defined in:
lib/lijab/input.rb

Constant Summary collapse

DEFAULT_PROMPT = 
"> "

Class Method Summary collapse

Class Method Details

.completer(line) ⇒ Object 



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# File 'lib/lijab/input.rb', line 196

def completer(line)
   return if !Main.connected

   if line[0] == ?/
      Commands::completer(line)
   else
      Main.contacts.completer(line)
   end
end

.delete_last_typed ⇒ Object 



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# File 'lib/lijab/input.rb', line 160

def delete_last_typed
   if @last_typed.is_a?(Array)
      @last_typed.each do |line|
         # line length + multiline prompt + \n
         # FIXME: put the multiline prompt somewhere
         print "\b" * (line.length + 6)
         print "#{ANSIMove.up(1)}"
      end
      print "#{ANSIMove.down(1)}" if @last_typed.length > 0
   else
      print "\b" * @last_typed.length
   end
end

.delete_typed ⇒ Object 



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# File 'lib/lijab/input.rb', line 174

def delete_typed
   if @multiline
      delete_last_typed()
   else
      print "\b" * Readline::line_buffer.length
   end
end

.init ⇒ Object 



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# File 'lib/lijab/input.rb', line 18

def init
   Readline::completer_word_break_characters = ""
   Readline::completion_append_character = " "
   Readline::completion_proc = method(:completer).to_proc
   Readline::pre_input_proc = lambda do
      print "#{ANSI.cleartoeol}" ; STDOUT.flush
      unless @last_to.empty?
         Readline::insert_text("#{@last_to}: ")
         Readline::redisplay
      end
   end

   if Config.opts[:ctrl_c_quits]
      trap("SIGINT") { Main.quit }
   else
      trap("SIGINT") do
         Readline::line_buffer = ""
         puts
         Out::make_infoline
         print "#{@prompt}"
         STDOUT.flush
      end
   end

   read_typed_history()

   init_char_input_stuff()

   @input_thread = Thread.new { read_input() }
end

.init_char_input_stuff ⇒ Object 



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# File 'lib/lijab/input.rb', line 58

def init_char_input_stuff
   # i'm surprised this doesn't make typing fucking unbearable

   @on_char_input_blocks = []

   @on_char_input_blocks << lambda do |c|
      to, msg = Readline::line_buffer.split(":", 2).strip
      if to && msg && Main.contacts.key?(to)
         # TODO: try to see if a thread improves things
         Main.contacts[to].typed_stuff
      end
      c
   end

   Readline::char_input_proc = lambda do |c|
      ret = c
      @on_char_input_blocks.each do |block|
         ret = block.call(c)
         break if ret != c
      end
      ret
   end
end

.multiline(enable, first_line = "") ⇒ Object 



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# File 'lib/lijab/input.rb', line 221

def multiline(enable, first_line="")
   @multiline = enable
   @multilines = []
   if enable
      @multilines.push(first_line) unless first_line.empty?
      prompt("---> ")
   else
      reset_prompt()
   end
end

.multiline? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lijab/input.rb', line 217

def multiline?
   @multiline
end

.on_char_input(&block) ⇒ Object 



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# File 'lib/lijab/input.rb', line 82

def on_char_input(&block)
   @on_char_input_blocks << block
end

.process_input(text) ⇒ Object 



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# File 'lib/lijab/input.rb', line 136

def process_input(text)
   return if text.empty?

   if !Main.connected
      # FIXME: brute force ftw!
      Out::error("not connected :-(", false)
      return
   end

   if text[0] == ?/
      Commands::run(*text[1..-1].split(" ", 2))
      @last_to = ""
   else
      to, msg = text.split(":", 2)
      return unless to && msg && !msg.empty? && Main.contacts.key?(to)
      msg = msg[1..-1] if msg[0].chr == " " # goddammit, whitespace will be the death of me

      @last_to = to
      jid = Jabber::JID.new(to)
      jid = nil unless jid.resource
      Main.contacts[to].send_message(msg, jid)
   end
end

.prompt(p = nil) ⇒ Object 



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# File 'lib/lijab/input.rb', line 49

def prompt(p=nil)
   return @prompt unless p
   @prompt = p
end

.read_input ⇒ Object

next unless to && msg && Main.contacts.key?(to)

end

end



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# File 'lib/lijab/input.rb', line 101

def read_input
   loop do
      Out::make_infoline

      t = Readline::readline(@prompt, true)

      @last_typed = t || ""

      if !t
         if @multiline
            @last_typed = @multilines
            process_input(@multilines.join("\n"))
            multiline(false)
         else
            if Config.opts[:ctrl_c_quits]
               puts ; next
            else
               Main.quit
            end
         end
      elsif !@multiline && t =~ /^\s*$/
         Readline::HISTORY.pop
      else
         Readline::HISTORY.pop if Readline::HISTORY.to_a[-2] == t

         if @multiline
            @multilines.push(t)
            @last_typed = @multilines
         else
            process_input(t)
         end
      end
   end
end

.read_typed_history ⇒ Object 



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# File 'lib/lijab/input.rb', line 212

def read_typed_history
   path = Config.[:typed]
   File.read(path).each { |l| Readline::HISTORY.push(l.chomp) } if File.file?(path)
end

.redisplay_input ⇒ Object 



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# File 'lib/lijab/input.rb', line 182

def redisplay_input()
   if @multiline && !@multilines.empty?
      puts "#{ANSI.clearline}#{DEFAULT_PROMPT}#{@multilines[0]}"
      @multilines[1..-1].each do |line|
         puts "#{ANSI.clearline}#{@prompt}#{line}"
      end
   end

   Out::make_infoline()
   print "#{@prompt}#{Readline::line_buffer}"
   STDOUT.flush
end

.reset_prompt ⇒ Object 



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# File 'lib/lijab/input.rb', line 54

def reset_prompt
   @prompt = DEFAULT_PROMPT
end

.save_typed_history ⇒ Object 



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# File 'lib/lijab/input.rb', line 206

def save_typed_history
   File.open(Config.[:typed], 'w') do |f|
      f.puts(Readline::HISTORY.to_a[-300..-1] || Readline::HISTORY.to_a)
   end
end