[Emacs-diffs] Changes to emacs/lisp/progmodes/gud.el,v

[Nick Roberts]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Nick Roberts <nickrob>  06/07/03 23:05:49

Index: gud.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/progmodes/gud.el,v
retrieving revision 1.112
retrieving revision 1.113
diff -u -b -r1.112 -r1.113
--- gud.el      5 Jun 2006 21:31:24 -0000       1.112
+++ gud.el      3 Jul 2006 23:05:49 -0000       1.113
@@ -3366,6 +3366,12 @@
 (defvar gud-tooltip-mouse-motions-active nil
   "Locally t in a buffer if tooltip processing of mouse motion is enabled.")
 
+;; We don't set track-mouse globally because this is a big redisplay
+;; problem in buffers having a pre-command-hook or such installed,
+;; which does a set-buffer, like the summary buffer of Gnus.  Calling
+;; set-buffer prevents redisplay optimizations, so every mouse motion
+;; would be accompanied by a full redisplay.
+
 (defun gud-tooltip-activate-mouse-motions (activatep)
   "Activate/deactivate mouse motion events for the current buffer.
 ACTIVATEP non-nil means activate mouse motion events."