copy paste functions

include/data.h

@@ -19,6 +19,13 @@ typedef struct row {
   char *chars;  /**< Characters of the line */
 } row_t;
 
+typedef struct context_buffer_t
+{
+  int editor_x, editor_y;
+  int width, height;
+  row_t *rows;
+} ContextBuffer;
+
 /**
  * @brief Split modes for screen layout
  */
@@ -113,6 +120,8 @@ struct editorConfig {
 
   row_t *rows;        /**< Store all the rows printed */
 
+  ContextBuffer* context_buffers;
+
   int dirty;
 
   char *status_msg;