From 6d2bc5b0a93b72a3c35efb89a53c1e8fb70c90d3 Mon Sep 17 00:00:00 2001
From: Robert Fewell <14uBobIT@gmail.com>
Date: Sat, 9 Sep 2017 17:19:41 +0100
Subject: [PATCH] Allow the sheet to be scrolled with the mouse wheel

---
 gnucash/register/register-gnome/gnucash-sheet.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/gnucash/register/register-gnome/gnucash-sheet.c b/gnucash/register/register-gnome/gnucash-sheet.c
index 6b7964caa9..b770ab0d0e 100644
--- a/gnucash/register/register-gnome/gnucash-sheet.c
+++ b/gnucash/register/register-gnome/gnucash-sheet.c
@@ -1270,11 +1270,17 @@ gnucash_scroll_event (GtkWidget *widget, GdkEventScroll *event)
     case GDK_SCROLL_DOWN:
         v_value += gtk_adjustment_get_step_increment (vadj);
         break;
+    case GDK_SCROLL_SMOOTH:
+        if (event->delta_y < 0)
+            v_value -= gtk_adjustment_get_step_increment (vadj);
+        if (event->delta_y > 0)
+            v_value += gtk_adjustment_get_step_increment (vadj);
+        break;
     default:
         return FALSE;
     }
-
-    v_value = CLAMP(v_value, gtk_adjustment_get_lower (vadj), gtk_adjustment_get_upper (vadj) - gtk_adjustment_get_page_size (vadj));
+    v_value = CLAMP(v_value, gtk_adjustment_get_lower (vadj),
+              gtk_adjustment_get_upper (vadj) - gtk_adjustment_get_page_size (vadj));
 
     gtk_adjustment_set_value(vadj, v_value);