[Emacs-diffs] trunk r117715: Fix horizontal scroll bar dragging in R2L paragraphs.

[Eli Zaretskii]

------------------------------------------------------------
revno: 117715
revision-id: address@hidden
parent: address@hidden
committer: Eli Zaretskii <address@hidden>
branch nick: trunk
timestamp: Tue 2014-08-19 18:08:02 +0300
message:
  Fix horizontal scroll bar dragging in R2L paragraphs.
  
   src/w32term.c (w32_horizontal_scroll_bar_handle_click): Fix the
   second coordinate ('y') reported for dragging the horizontal
   scroll bar thumb.
modified:
  src/ChangeLog                  changelog-20091113204419-o5vbwnq5f7feedwu-1438
  src/w32term.c                  w32term.c-20091113204419-o5vbwnq5f7feedwu-950

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2014-08-19 00:51:33 +0000
+++ b/src/ChangeLog     2014-08-19 15:08:02 +0000
@@ -1,3 +1,9 @@
+2014-08-19  Eli Zaretskii  <address@hidden>
+
+       * w32term.c (w32_horizontal_scroll_bar_handle_click): Fix the
+       second coordinate ('y') reported for dragging the horizontal
+       scroll bar thumb.
+
 2014-08-19  YAMAMOTO Mitsuharu  <address@hidden>
 
        * xdisp.c (erase_phys_cursor): Fix confusion between window-relative

=== modified file 'src/w32term.c'
--- a/src/w32term.c     2014-08-16 15:47:38 +0000
+++ b/src/w32term.c     2014-08-19 15:08:02 +0000
@@ -4310,7 +4310,10 @@
       case SB_THUMBTRACK:
       case SB_THUMBPOSITION:
        if (HORIZONTAL_SCROLL_BAR_LEFT_RANGE (f, bar->width) <= 0xffff)
-          x = HIWORD (msg->msg.wParam);
+         {
+           x = HIWORD (msg->msg.wParam);
+           y = si.nMax - x - si.nPage;
+         }
        bar->dragging = 1;
        emacs_event->part = scroll_bar_horizontal_handle;