lib/jared/buffer.rb in jareditor-1.1.0 vs lib/jared/buffer.rb in jareditor-2.0.0

@@ -1,19 +1,25 @@
 module JarEd
   class Buffer
     attr_reader :window_position,
-                :cursor_line,
+                :cursor_row,
                 :cursor_column
 
     def initialize(file)
       @file = file
       @window_position = 0
-      @cursor_line = 0
+      @cursor_row = 0
       @cursor_column = 0
     end
 
     def lines
       @lines ||= file.each_line.to_a
+    end
+
+    # @todo Restrict cursor position to file/line length.
+    def cursor(rows, columns)
+      @cursor_row = [0, cursor_row + rows].max
+      @cursor_column = [0, cursor_column + columns].max
     end
 
     private
 
     attr_reader :file