#===============================================================================
# Minimalist Name Input Interface (v1.1)
# Author: jetpackgone
# Compatible with RPG Maker VX Ace
# Last updated: October 10, 2014
# 
# Feel free to use and share, but please credit me if you choose to use
#  or adapt this script in any way.
#===============================================================================
# Features:
# - Reduces Name Input Processing window to minimalist form with only capital 
#   letters.
# - Useful for implementing short passwords of up to 10 letters in length.
# - See demo for example.
#===============================================================================
# Version
# 1.0 - Original
# 1.1 - Fixed window width for demo
#===============================================================================

#==============================================================================
# ** Window_NameEdit
#------------------------------------------------------------------------------
#  This window is used to edit an actor's name on the name input screen.
#==============================================================================
class Window_NameEdit < Window_Base
  #--------------------------------------------------------------------------
  # * Public Instance Variables
  #--------------------------------------------------------------------------
  attr_reader   :name                     # name
  attr_reader   :index                    # cursor position
  attr_reader   :max_char                 # maximum number of characters
  #--------------------------------------------------------------------------
  # * Object Initialization
  #--------------------------------------------------------------------------
  def initialize(actor, max_char)
    x = (Graphics.width - 360 / 2) / 2
    y = (Graphics.height - (fitting_height(3) + fitting_height(6) + 8)) / 2
    super(x, y, 360 / 2 + 4, fitting_height(3))
    @actor = actor
    @max_char = max_char
    @default_name = @name = actor.name[0, @max_char]
    @index = @name.size
    deactivate
    refresh
  end
  #--------------------------------------------------------------------------
  # * Get Width of Face Graphic
  #--------------------------------------------------------------------------
  def face_width
    return 0
  end
  #--------------------------------------------------------------------------
  # * Get Character Width
  #--------------------------------------------------------------------------
  def char_width
    text_size($game_system.japanese? ? "あ" : "A").width + 4
  end
  #--------------------------------------------------------------------------
  # * Get Rectangle for Displaying Item
  #--------------------------------------------------------------------------
  def item_rect(index)
    Rect.new(left + index * char_width, 36, char_width, line_height)
  end
  #--------------------------------------------------------------------------
  # * Get Left Coordinate of Name
  #--------------------------------------------------------------------------  
  def left
    name_center = (contents_width + face_width) / 2
    name_width = (@max_char + 1) * char_width
    return [name_center - name_width / 2, contents_width - name_width].min
  end
  #--------------------------------------------------------------------------
  # * Get Underline Rectangle
  #--------------------------------------------------------------------------
  def underline_rect(index)
    rect = item_rect(index)
    rect.x += 1
    rect.y += rect.height - 4
    rect.width -= 2
    rect.height = 2
    rect
  end
  #--------------------------------------------------------------------------
  # * Get Underline Color
  #--------------------------------------------------------------------------
  def underline_color
    color = normal_color
    color.alpha = 48
    color
  end
  #--------------------------------------------------------------------------
  # * Draw Text
  #--------------------------------------------------------------------------
  def draw_char(index)
    rect = item_rect(index)
    rect.x -= -3
    rect.width += 4
    change_color(normal_color)
    draw_text(rect, @name[index] || "")
  end
end


#==============================================================================
# ** Window_NameInput
#------------------------------------------------------------------------------
#  This window is used to select text characters on the name input screen.
#==============================================================================
class Window_NameInput < Window_Selectable
  #--------------------------------------------------------------------------
  # * Character Tables (Latin)
  #--------------------------------------------------------------------------
  LATIN3 = [ 'A','B','C','D','E',
             'F','G','H','I','J',
             'K','L','M','N','O',
             'P','Q','R','S','T',
             'U','V','W','X','Y',
             'Z', '', '', '', 'OK' ]
  #--------------------------------------------------------------------------
  # * Object Initialization
  #--------------------------------------------------------------------------
  def initialize(edit_window)
    super(edit_window.x, edit_window.y+edit_window.height,
          edit_window.width, fitting_height(6))
    @edit_window = edit_window
    @page = 0
    @index = 0
    refresh
    update_cursor
    activate
  end
  #--------------------------------------------------------------------------
  # * Get Text Table
  #--------------------------------------------------------------------------
  def table
    return [LATIN3]
  end
  #--------------------------------------------------------------------------
  # * Get Text Character
  #--------------------------------------------------------------------------
  def character
    @index < 28 ? table[@page][@index] : ""
  end
  #--------------------------------------------------------------------------
  # * Determine Cursor Location: Confirmation
  #--------------------------------------------------------------------------
  def is_ok?
    @index == 29
  end
  #--------------------------------------------------------------------------
  # * Get Rectangle for Displaying Item
  #--------------------------------------------------------------------------
  def item_rect(index)
    rect = Rect.new
    rect.x = index % 5 * 32 + index % 5 / 5 * 16
    rect.y = index / 5 * line_height
    rect.width = 32
    rect.height = line_height
    rect
  end
  #--------------------------------------------------------------------------
  # * Refresh
  #--------------------------------------------------------------------------
  def refresh
    contents.clear
    change_color(normal_color)
    30.times {|i| draw_text(item_rect(i), table[@page][i], 1) }
  end
  #--------------------------------------------------------------------------
  # * Move Cursor Down
  #     wrap : Wraparound allowed
  #--------------------------------------------------------------------------
  def cursor_down(wrap)
    if @index < 25 or wrap
      @index = (index + 5) % 30
    end
  end
  #--------------------------------------------------------------------------
  # * Move Cursor Up
  #     wrap : Wraparound allowed
  #--------------------------------------------------------------------------
  def cursor_up(wrap)
    if @index >= 5 or wrap
      @index = (index + 25) % 30
    end
  end
  #--------------------------------------------------------------------------
  # * Move Cursor Right
  #     wrap : Wraparound allowed
  #--------------------------------------------------------------------------
  def cursor_right(wrap)
    if @index % 5 < 4
      @index += 1
    elsif wrap
      @index -= 4
    end
  end
  #--------------------------------------------------------------------------
  # * Move Cursor Left
  #     wrap : Wraparound allowed
  #--------------------------------------------------------------------------
  def cursor_left(wrap)
    if @index % 5 > 0
      @index -= 1
    elsif wrap
      @index += 4
    end
  end
  #--------------------------------------------------------------------------
  # * Jump to OK
  #--------------------------------------------------------------------------
  def process_jump
    if @index != 29
      @index = 29
      Sound.play_cursor
    end
  end
end