hide <ncursesw/ncurses.h> behind ncrswrap.*

isolate ct_dims implementation to dims.*

cursetree/node.h

@@ -1,9 +1,11 @@
 #ifndef CURSETREE_NODE_H
 #define CURSETREE_NODE_H
 
-#ifndef __NCURSES_H
+#include "dims.h"
+
+# ifndef __NCURSES_H
 typedef struct _win_st WINDOW;
-#endif /* __NCURSES_H */
+# endif /* __NCURSES_H */
 
 #define NODE_CHILD_N 2
 
@@ -20,18 +22,6 @@ enum ct_nodetype {
   NODE_ABSTRACT,
 };
 
-/* Stores a node's starting x,y coordinates, width, & height.
- * NOTE: Intended for interfunction communication.
- */
-struct ct_dims {
-  int x, y, width, height;
-};
-
-enum ct_axis {
-  AXIS_X,
-  AXIS_Y,
-};
-
 struct ct_node {
   enum ct_nodetype type;
   // union value depends on ct_node.type