Merge changes made in Gnus trunk.

[bpt/emacs.git] / lisp / xt-mouse.el

diff --git a/lisp/xt-mouse.el b/lisp/xt-mouse.el
index eb585d1..f802103 100644 (file)
--- a/lisp/xt-mouse.el
+++ b/lisp/xt-mouse.el
@@ -1,7 +1,7 @@
 ;;; xt-mouse.el --- support the mouse when emacs run in an xterm
 
 ;; Copyright (C) 1994, 2000, 2001, 2002, 2003,
-;;   2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;;   2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
 ;; Keywords: mouse, terminals
@@ -122,8 +122,8 @@
 ;; read xterm sequences above ascii 127 (#x7f)
 (defun xterm-mouse-event-read ()
   (let ((c (read-char)))
-    (if (< c 0)
-        (+ c #x8000000 128)
+    (if (> c #x3FFF80)
+        (+ 128 (- c #x3FFF80))
       c)))
 
 (defun xterm-mouse-truncate-wrap (f)
@@ -236,7 +236,10 @@ down the SHIFT key while pressing the mouse button."
 
 (defun turn-on-xterm-mouse-tracking-on-terminal (&optional terminal)
   "Enable xterm mouse tracking on TERMINAL."
-  (when (and xterm-mouse-mode (eq t (terminal-live-p terminal)))
+  (when (and xterm-mouse-mode (eq t (terminal-live-p terminal))
+            ;; Avoid the initial terminal which is not a termcap device.
+            ;; FIXME: is there more elegant way to detect the initial terminal?
+            (not (string= (terminal-name terminal) "initial_terminal")))
     (unless (terminal-parameter terminal 'xterm-mouse-mode)
       ;; Simulate selecting a terminal by selecting one of its frames ;-(
       (with-selected-frame (car (frames-on-display-list terminal))
@@ -249,7 +252,10 @@ down the SHIFT key while pressing the mouse button."
   ;; Only send the disable command to those terminals to which we've already
   ;; sent the enable command.
   (when (and (terminal-parameter terminal 'xterm-mouse-mode)
-             (eq t (terminal-live-p terminal)))
+             (eq t (terminal-live-p terminal))
+            ;; Avoid the initial terminal which is not a termcap device.
+            ;; FIXME: is there more elegant way to detect the initial terminal?
+            (not (string= (terminal-name terminal) "initial_terminal")))
     ;; We could remove the key-binding and unset the `xterm-mouse-mode'
     ;; terminal parameter, but it seems less harmful to send this escape
     ;; command too many times (or to catch an unintended key sequence), than