Hide cursor when you start typing

st.h

@@ -168,6 +168,11 @@ typedef struct {
 	Draw draw;
 	Visual *vis;
 	XSetWindowAttributes attrs;
+	/* Here, we use the term *pointer* to differentiate the cursor
+	 * one sees when hovering the mouse over the terminal from, e.g.,
+	 * a green rectangle where text would be entered. */
+	Cursor vpointer, bpointer; /* visible and hidden pointers */
+	int pointerisvisible;
 	int scr;
 	int isfixed; /* is fixed geometry? */
 	int l, t; /* left and top offset */