Method: CDK::BUTTONBOX#inject

Defined in:
lib/cdk/buttonbox.rb

#inject(input) ⇒ Object

This injects a single character into the widget.



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# File 'lib/cdk/buttonbox.rb', line 151

def inject(input)
  first_button = 0
  last_button = @button_count - 1
  pp_return = 1
  ret = -1
  complete = false

  # Set the exit type
  self.setExitType(0)

  unless @pre_process_func.nil?
    pp_return = @pre_process_func.call(:BUTTONBOX, self,
        @pre_process_data, input)
  end

  # Should we continue?
  if pp_return != 0
    # Check for a key binding.
    if self.checkBind(:BUTTONBOX, input)
      complete = true
    else
      case input
      when Ncurses::KEY_LEFT, Ncurses::KEY_BTAB, Ncurses::KEY_BACKSPACE
        if @current_button - @rows < first_button
          @current_button = last_button
        else
          @current_button -= @rows
        end
      when Ncurses::KEY_RIGHT, CDK::KEY_TAB, ' '.ord
        if @current_button + @rows > last_button
          @current_button = first_button
        else
          @current_button += @rows
        end
      when Ncurses::KEY_UP
        if @current_button -1 < first_button
          @current_button = last_button
        else
          @current_button -= 1
        end
      when Ncurses::KEY_DOWN
        if @current_button + 1 > last_button
          @current_button = first_button
        else
          @current_button += 1
        end
      when CDK::REFRESH
        @screen.erase
        @screen.refresh
      when CDK::KEY_ESC
        self.setExitType(input)
        complete = true
      when Ncurses::ERR
        self.setExitType(input)
        complete = true
      when CDK::KEY_RETURN, Ncurses::KEY_ENTER
        self.setExitType(input)
        ret = @current_button
        complete = true
      end
    end

    if !complete && !(@post_process_func.nil?)
      @post_process_func.call(:BUTTONBOX, self, @post_process_data,
          input)
    end

  end
    
  unless complete
    self.drawButtons
    self.setExitType(0)
  end

  @result_data = ret
  return ret
end