root window and screen have to be in Monitor struct, we want side-by-side Xinerama and Multihead support (only Xinerama when enabled and present)

dwm.c

@@ -119,6 +119,8 @@ typedef struct {
 typedef struct {
 	int id;
 	Window barwin;
+//TODO: Window root;
+//TODO: int screen;
 	int sx, sy, sw, sh, wax, way, wah, waw;
 	DC dc;
 	Bool *seltags;