1 files changed, 6 insertions, 15 deletions

diff --git a/src/msdos.c b/src/msdos.c
index 3c78efbc47b..7142c3ada77 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -946,9 +946,6 @@ IT_write_glyphs (struct frame *f, struct glyph *str, int str_len)
                           Mouse Highlight (and friends..)
  ************************************************************************/
 
-/* Last window where we saw the mouse.  Used by mouse-autoselect-window.  */
-static Lisp_Object last_mouse_window;
-
 static int mouse_preempted = 0; /* non-zero when XMenu gobbles mouse events */
 
 int
@@ -1546,11 +1543,6 @@ IT_reset_terminal_modes (struct terminal *term)
   term_setup_done = 0;
 }
 
-static void
-IT_set_terminal_window (struct frame *f, int foo)
-{
-}
-
 /* Remember the screen colors of the current frame, to serve as the
    default colors for newly-created frames.  */
 DEFUN ("msdos-remember-default-colors", Fmsdos_remember_default_colors,
@@ -1871,7 +1863,7 @@ initialize_msdos_display (struct terminal *term)
   term->ring_bell_hook = IT_ring_bell;
   term->reset_terminal_modes_hook = IT_reset_terminal_modes;
   term->set_terminal_modes_hook = IT_set_terminal_modes;
-  term->set_terminal_window_hook = IT_set_terminal_window;
+  term->set_terminal_window_hook = NULL;
   term->update_begin_hook = IT_update_begin;
   term->update_end_hook = IT_update_end;
   term->frame_up_to_date_hook = IT_frame_up_to_date;
@@ -2673,10 +2665,10 @@ dos_rawgetc (void)
           /* Generate SELECT_WINDOW_EVENTs when needed.  */
           if (!NILP (Vmouse_autoselect_window))
             {
-              mouse_window = window_from_coordinates (SELECTED_FRAME (),
-                                                      mouse_last_x,
-                                                      mouse_last_y,
-                                                      0, 0);
+              static Lisp_Object last_mouse_window;
+
+              mouse_window = window_from_coordinates
+                (SELECTED_FRAME (), mouse_last_x, mouse_last_y, 0, 0);
               /* A window will be selected only when it is not
                  selected now, and the last mouse movement event was
                  not in it.  A minibuffer window will be selected iff
@@ -2691,10 +2683,9 @@ dos_rawgetc (void)
                   event.timestamp = event_timestamp ();
                   kbd_buffer_store_event (&event);
                 }
+              /* Remember the last window where we saw the mouse.  */
               last_mouse_window = mouse_window;
             }
-          else
-            last_mouse_window = Qnil;
 
           previous_help_echo_string = help_echo_string;
           help_echo_string = help_echo_object = help_echo_window = Qnil;