Editor.kt

interface Editor {
  
  val carretPosition: Vec2i
  val selectionLength: Int
  
  fun putChar(char: Char)
  
  fun putString(string: String)
  
  fun putColor(position: Vec2i, length: Int, forecolor: Color, backcolor: Color)
  
  fun deleteLeft()
  
  fun deleteRight()
  
  fun replaceTextWithin(start: Vec2i, end: Vec2i)
  
  fun moveCarretHorizontally(delta: Int)
  
  fun moveCarretVertically(delta: Int)

  fun getTextWithin(start: Vec2i, end: Vec2i)

}