* xterm.h (struct x_display_info): Add invisible_cursor.

* xterm.h (struct x_display_info): Add invisible_cursor.
(struct x_output): Add current_cursor.

* xterm.c (XTtoggle_invisible_pointer): New function.
(x_define_frame_cursor): Don't define cursor if invisible or the
same as before.  Set current_cursor.
(x_create_terminal): Set toggle_invisible_pointer_hook.

* xfns.c (make_invisible_cursor): New function.
(x_set_mouse_color): Call make_invisible_cursor.
Set current_cursor.
(x_window): Set current_cursor.

* termhooks.h (struct terminal): Add toggle_invisible_pointer_hook.

* keyboard.c (command_loop_1): Call frame_make_pointer_invisible after
inserting a character.
(read_avail_input): Call frame_make_pointer_visible.

* frame.c (Vmake_pointer_invisible): New variable.
(frame_make_pointer_invisible, frame_make_pointer_visible): New
functions.
(syms_of_frame): DEFVAR make-pointer-invisible, initialize to Qt.

* frame.h: Declare frame_make_pointer_invisible and
frame_make_pointer_visible.
(struct frame): Add pointer_invisible.

* cus-start.el (all): Added make-pointer-invisible.