1 files changed, 19 insertions, 46 deletions

diff --git a/src/msdos.c b/src/msdos.c
index 88a2eb60726..7142c3ada77 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -602,11 +602,7 @@ dos_set_window_size (int *rows, int *cols)
       Lisp_Object window = hlinfo->mouse_face_window;
 
       if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f)
-        {
-          hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1;
-          hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1;
-          hlinfo->mouse_face_window = Qnil;
-        }
+        reset_mouse_highlight (hlinfo);
     }
 
   /* Enable bright background colors.  */
@@ -950,9 +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
@@ -1276,14 +1269,9 @@ IT_update_begin (struct frame *f)
         }
     }
   else if (mouse_face_frame && !FRAME_LIVE_P (mouse_face_frame))
-    {
-      /* If the frame with mouse highlight was deleted, invalidate the
-         highlight info.  */
-      hlinfo->mouse_face_beg_row = hlinfo->mouse_face_beg_col = -1;
-      hlinfo->mouse_face_end_row = hlinfo->mouse_face_end_col = -1;
-      hlinfo->mouse_face_window = Qnil;
-      hlinfo->mouse_face_mouse_frame = NULL;
-    }
+    /* If the frame with mouse highlight was deleted, invalidate the
+       highlight info.  */
+    reset_mouse_highlight (hlinfo);
 
   unblock_input ();
 }
@@ -1555,11 +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,
@@ -1843,17 +1826,8 @@ internal_terminal_init (void)
           if (colors[1] >= 0 && colors[1] < 16)
             FRAME_BACKGROUND_PIXEL (SELECTED_FRAME ()) = colors[1];
         }
-      the_only_display_info.mouse_highlight.mouse_face_mouse_frame = NULL;
-      the_only_display_info.mouse_highlight.mouse_face_beg_row =
-        the_only_display_info.mouse_highlight.mouse_face_beg_col = -1;
-      the_only_display_info.mouse_highlight.mouse_face_end_row =
-        the_only_display_info.mouse_highlight.mouse_face_end_col = -1;
-      the_only_display_info.mouse_highlight.mouse_face_face_id = DEFAULT_FACE_ID;
-      the_only_display_info.mouse_highlight.mouse_face_window = Qnil;
-      the_only_display_info.mouse_highlight.mouse_face_mouse_x =
-        the_only_display_info.mouse_highlight.mouse_face_mouse_y = 0;
-      the_only_display_info.mouse_highlight.mouse_face_defer = 0;
-      the_only_display_info.mouse_highlight.mouse_face_hidden = 0;
+
+      reset_mouse_highlight (&the_only_display_info.mouse_highlight);
 
       if (have_mouse)   /* detected in dos_ttraw, which see */
         {
@@ -1889,7 +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;
@@ -2691,10 +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
@@ -2709,10 +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;
@@ -4073,7 +4046,7 @@ dos_yield_time_slice (void)
    because wait_reading_process_output takes care of that.  */
 int
 sys_select (int nfds, SELECT_TYPE *rfds, SELECT_TYPE *wfds, SELECT_TYPE *efds,
-            EMACS_TIME *timeout, void *ignored)
+            struct timespec *timeout, void *ignored)
 {
   int check_input;
   struct timespec t;
@@ -4103,20 +4076,20 @@ sys_select (int nfds, SELECT_TYPE *rfds, SELECT_TYPE *wfds, SELECT_TYPE *efds,
     }
   else
     {
-      EMACS_TIME clnow, cllast, cldiff;
+      struct timespec clnow, cllast, cldiff;
 
       gettime (&t);
-      cllast = make_emacs_time (t.tv_sec, t.tv_nsec);
+      cllast = make_timespec (t.tv_sec, t.tv_nsec);
 
       while (!check_input || !detect_input_pending ())
         {
           gettime (&t);
-          clnow = make_emacs_time (t.tv_sec, t.tv_nsec);
-          cldiff = sub_emacs_time (clnow, cllast);
-          *timeout = sub_emacs_time (*timeout, cldiff);
+          clnow = make_timespec (t.tv_sec, t.tv_nsec);
+          cldiff = timespec_sub (clnow, cllast);
+          *timeout = timespec_sub (*timeout, cldiff);
 
           /* Stop when timeout value crosses zero.  */
-          if (EMACS_TIME_SIGN (*timeout) <= 0)
+          if (timespec_sign (*timeout) <= 0)
             return 0;
           cllast = clnow;
           dos_yield_time_slice ();