Fix horizontal scrolling in non-selected windows.

 lisp/scroll-bar.el (scroll-bar-horizontal-drag-1)
 (scroll-bar-toolkit-horizontal-scroll): When determining the
 paragraph direction, use the buffer of the window designated in
 the event.

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 2a1d3b94427018cd4018bf209881c2fa88b62f94..1ee5ca6a3b7e56434ad62d644d7e7527f53acd77 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,10 @@
+2014-08-18  Eli Zaretskii  <eliz@gnu.org>
+
+       * scroll-bar.el (scroll-bar-horizontal-drag-1)
+       (scroll-bar-toolkit-horizontal-scroll): When determining the
+       paragraph direction, use the buffer of the window designated in
+       the event.
+
 2014-08-16  Andreas Schwab  <schwab@linux-m68k.org>
 
        * vc/diff-mode.el (diff-fixup-modifs): Handle empty line in

diff --git a/lisp/scroll-bar.el b/lisp/scroll-bar.el
index 1af70b0d63105425745e1645f4906ccf80f9c245..f803eb7f9289b5fe02fb467835748c0f1ee3aa13 100644 (file)
--- a/lisp/scroll-bar.el
+++ b/lisp/scroll-bar.el
@@ -327,7 +327,8 @@ If you click outside the slider, the window scrolls to bring the slider there."
         (window (nth 0 start-position))
         (portion-whole (nth 2 start-position))
         (unit (frame-char-width (window-frame window))))
-    (if (eq (current-bidi-paragraph-direction) 'left-to-right)
+    (if (eq (current-bidi-paragraph-direction (window-buffer window))
+           'left-to-right)
        (set-window-hscroll
         window (/ (1- (+ (car portion-whole) unit)) unit))
       (set-window-hscroll
@@ -454,9 +455,11 @@ EVENT should be a scroll bar click."
   (let* ((end-position (event-end event))
         (window (nth 0 end-position))
         (part (nth 4 end-position))
-        (bidi-factor (if (eq (current-bidi-paragraph-direction) 'left-to-right)
-                         1
-                       -1))
+        (bidi-factor
+         (if (eq (current-bidi-paragraph-direction (window-buffer window))
+                 'left-to-right)
+             1
+           -1))
         before-scroll)
     (cond
      ((eq part 'end-scroll))