From: Sergio Lopez <slp(a)redhat.com>
When the user raises their fingers from the touchpad, we may receive a
GDK_SMOOTH_SCROLL event with delta_y == 0. Avoid generating a WHEEL_UP
event in this situation.
Signed-off-by: Sergio Lopez <slp(a)redhat.com>
Message-id: 20190204122043.43007-1-slp(a)redhat.com
Signed-off-by: Gerd Hoffmann <kraxel(a)redhat.com>
---
ui/gtk.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ui/gtk.c b/ui/gtk.c
index 87c0e33d2a..5a584353bd 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -1004,7 +1004,9 @@ static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll
*scroll,
&delta_x, &delta_y)) {
return TRUE;
}
- if (delta_y > 0) {
+ if (delta_y == 0) {
+ return TRUE;
+ } else if (delta_y > 0) {
btn = INPUT_BUTTON_WHEEL_DOWN;
} else {
btn = INPUT_BUTTON_WHEEL_UP;
--
2.9.3