From ba0d049480607109f6eb47d1fa8ccb2b549c9334 Mon Sep 17 00:00:00 2001
From: Colomban Wendling <ban@herbesfolles.org>
Date: Tue, 21 Feb 2017 23:08:50 +0100
Subject: Bug [#1901]. GTK: Fix double scrolling under X11

Really restrict smooth scrolling handling to Wayland.
---
 gtk/ScintillaGTK.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gtk')

diff --git a/gtk/ScintillaGTK.cxx b/gtk/ScintillaGTK.cxx
index 993aa8fbd..f201b5cfe 100644
--- a/gtk/ScintillaGTK.cxx
+++ b/gtk/ScintillaGTK.cxx
@@ -1801,7 +1801,7 @@ gint ScintillaGTK::ScrollEvent(GtkWidget *widget, GdkEventScroll *event) {
 			return FALSE;
 
 #if defined(GDK_WINDOWING_WAYLAND)
-		if (event->direction == GDK_SCROLL_SMOOTH) {
+		if (event->direction == GDK_SCROLL_SMOOTH && GDK_IS_WAYLAND_WINDOW(event->window)) {
 			const int smoothScrollFactor = 4;
 			sciThis->smoothScrollY += event->delta_y * smoothScrollFactor;
 			sciThis->smoothScrollX += event->delta_x * smoothScrollFactor;;
-- 
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