[Emacs-diffs] trunk r115130: Fix bug #15913 with disappearing mouse highlight on MS-Windows.

[Eli Zaretskii]

------------------------------------------------------------
revno: 115130
revision-id: address@hidden
parent: address@hidden
fixes bug: http://debbugs.gnu.org/15913
committer: Eli Zaretskii <address@hidden>
branch nick: trunk
timestamp: Sun 2013-11-17 23:02:09 +0200
message:
  Fix bug #15913 with disappearing mouse highlight on MS-Windows.
  
   src/w32term.c (x_update_window_end): Don't invalidate the entire
   mouse-highlight info, just signal frame_up_to_date_hook that mouse
   highlight needs to be redisplayed.
modified:
  src/ChangeLog                  changelog-20091113204419-o5vbwnq5f7feedwu-1438
  src/w32term.c                  w32term.c-20091113204419-o5vbwnq5f7feedwu-950

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2013-11-17 03:58:30 +0000
+++ b/src/ChangeLog     2013-11-17 21:02:09 +0000
@@ -1,3 +1,9 @@
+2013-11-17  Eli Zaretskii  <address@hidden>
+
+       * w32term.c (x_update_window_end): Don't invalidate the entire
+       mouse-highlight info, just signal frame_up_to_date_hook that mouse
+       highlight needs to be redisplayed.  (Bug#15913)
+
 2013-11-17  Paul Eggert  <address@hidden>
 
        * lisp.h (DEBUGGER_SEES_C_MACROS): Remove.

=== modified file 'src/w32term.c'
--- a/src/w32term.c     2013-10-29 05:55:25 +0000
+++ b/src/w32term.c     2013-11-17 21:02:09 +0000
@@ -656,7 +656,13 @@
   /* If a row with mouse-face was overwritten, arrange for
      XTframe_up_to_date to redisplay the mouse highlight.  */
   if (mouse_face_overwritten_p)
-    reset_mouse_highlight (MOUSE_HL_INFO (XFRAME (w->frame)));
+    {
+      Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (XFRAME (w->frame));
+
+      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;
+    }
 
   /* Unhide the caret.  This won't actually show the cursor, unless it
      was visible before the corresponding call to HideCaret in