Method: CDK::DIALOG#inject

Defined in:
lib/cdk/components/dialog.rb

#inject(input) ⇒ Object

This injects a single character into the dialog widget



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# File 'lib/cdk/components/dialog.rb', line 150

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)

  # Check if there is a pre-process function to be called.
  unless @pre_process_func.nil?
    pp_return = @pre_process_func.call(:DIALOG, self,
        @pre_process_data, input)
  end

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

    # Should we call a post_process?
    if !@complete && !(@post_process_func.nil?)
      @post_process_func.call(:DIALOG, self,
          @post_process_data, input)
    end
  end

  unless @complete
    self.drawButtons
    wrefresh(@win)
    self.setExitType(0)
  end

  @result_data = ret
  return ret
end