From fd142562c86351997dd876026b7c68e1df349b15 Mon Sep 17 00:00:00 2001
From: Jason Rumney <jasonr@gnu.org>
Date: Tue, 4 Sep 2007 21:40:59 +0000
Subject: [PATCH] Horizontal mouse wheel support: (w32_wnd_proc)
 <WM_DROPFILES>: Merge with WM_MOUSEWHEEL. <WM_MOUSEHWHEEL>: Pass new system
 message to lisp.

MULTI_KBOARD support:
(x_create_tip_frame) [MULTI_KBOARD]: Get keyboard from
terminal.
---
 src/w32fns.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/w32fns.c b/src/w32fns.c
index e7a4bb3d5e..aeb4183393 100644
--- a/src/w32fns.c
+++ b/src/w32fns.c
@@ -3383,16 +3383,20 @@ w32_wnd_proc (hwnd, msg, wParam, lParam)
       return 0;
 
     case WM_MOUSEWHEEL:
+    case WM_DROPFILES:
       wmsg.dwModifiers = w32_get_modifiers ();
       my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
       signal_user_input ();
       return 0;
 
-    case WM_DROPFILES:
+    case WM_MOUSEHWHEEL:
       wmsg.dwModifiers = w32_get_modifiers ();
       my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
       signal_user_input ();
-      return 0;
+      /* Non-zero must be returned when WM_MOUSEHWHEEL messages are
+         handled, to prevent the system trying to handle it by faking
+         scroll bar events.  */
+      return 1;
 
     case WM_TIMER:
       /* Flush out saved messages if necessary. */
@@ -7238,7 +7242,7 @@ x_create_tip_frame (dpyinfo, parms, text)
   Vx_resource_name = Vinvocation_name;
 
 #ifdef MULTI_KBOARD
-  kb = dpyinfo->kboard;
+  kb = dpyinfo->terminal->kboard;
 #else
   kb = &the_only_kboard;
 #endif
-- 
2.20.1