(xterm-mouse-truncate-wrap): New function.

(xterm-mouse-event): Use it.

2 files changed, 35 insertions, 11 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 93f2477b07f..0e6c3298638 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,11 @@
+2007-05-25  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+        * textmodes/fill.el (canonically-space-region): Make the second arg
+        a marker if it's not already the case.
+
+        * xt-mouse.el (xterm-mouse-truncate-wrap): New function.
+        (xterm-mouse-event): Use it.
+
 2007-05-25  Miles Bader  <miles@fencepost.gnu.org>
 
         * vc-hooks.el (vc-find-root): Fix file attribute test.
@@ -46,17 +54,17 @@
 
 2007-05-18  Rob Riepel  <riepel@Stanford.EDU>
 
-        * emulation/tpu-edt.el (CSI-map, SS3-map) Moved from global-map to
+        * emulation/tpu-edt.el (CSI-map, SS3-map): Move from global-map to
         tpu-global-map.
-        (tpu-original-global-map) Variable deleted.
-        (tpu-control-keys-map) New keymap variable.
-        (tpu-set-control-keys) Use tpu-reset-control-keys rather than
+        (tpu-original-global-map): Delete variable.
+        (tpu-control-keys-map): New keymap variable.
+        (tpu-set-control-keys): Use tpu-reset-control-keys rather than
         setting keymapping directly.
-        (tpu-reset-control-keys) Use tpu-control-keys-map instead of
+        (tpu-reset-control-keys): Use tpu-control-keys-map instead of
         tpu-global-map.
         (tpu-edt-on): Activate the tpu-global-map.
         (tpu-edt-off): Deactivate the tpu-global-map.
-        
+
 2007-05-18  Ryan Yeske  <rcyeske@gmail.com>
 
         * textmodes/ispell.el (ispell-get-word): Return markers
@@ -119,9 +127,9 @@
 
 2007-05-14  Eli Zaretskii  <eliz@gnu.org>
 
-        * mail/rmail.el (rmail-convert-to-babyl-format): Check
-        content-transfer-encoding _last_, because we need its position in
-        base64-header-field-end.
+        * mail/rmail.el (rmail-convert-to-babyl-format):
+        Check content-transfer-encoding _last_, because we need its position
+        in base64-header-field-end.
 
 2007-05-14  Juanma Barranquero  <lekktu@gmail.com>
 
diff --git a/lisp/xt-mouse.el b/lisp/xt-mouse.el
index 8ae79903d51..a4779053937 100644
--- a/lisp/xt-mouse.el
+++ b/lisp/xt-mouse.el
@@ -122,6 +122,22 @@
         (+ c #x8000000 128)
       c)))
 
+(defun xterm-mouse-truncate-wrap (f)
+  "Truncate with wrap-around."
+  (condition-case nil
+      ;; First try the built-in truncate, in case there's no overflow.
+      (truncate f)
+    ;; In case of overflow, do wraparound by hand.
+    (range-error
+     ;; In our case, we wrap around every 3 days or so, so if we assume
+     ;; a maximum of 65536 wraparounds, we're safe for a couple years.
+     ;; Using a power of 2 makes rounding errors less likely.
+     (let* ((maxwrap (* 65536 2048))
+            (dbig (truncate (/ f maxwrap)))
+            (fdiff (- f (* 1.0 maxwrap dbig))))
+       (+ (truncate fdiff) (* maxwrap dbig))))))
+
+
 (defun xterm-mouse-event ()
   "Convert XTerm mouse event to Emacs mouse event."
   (let* ((type (- (xterm-mouse-event-read) #o40))
@@ -129,7 +145,7 @@
          (y (- (xterm-mouse-event-read) #o40 1))
          ;; Emulate timestamp information.  This is accurate enough
          ;; for default value of mouse-1-click-follows-link (450msec).
-         (timestamp (truncate
+         (timestamp (xterm-mouse-truncate-wrap
                      (* 1000
                         (- (float-time)
                            (or xt-mouse-epoch
@@ -206,5 +222,5 @@ down the SHIFT key while pressing the mouse button."
 
 (provide 'xt-mouse)
 
-;;; arch-tag: 84962d4e-fae9-4c13-a9d7-ef4925a4ac03
+;; arch-tag: 84962d4e-fae9-4c13-a9d7-ef4925a4ac03
 ;;; xt-mouse.el ends here