Commit a0fbb9a8 authored by Sergio Lopez's avatar Sergio Lopez Committed by Gerd Hoffmann
Browse files

ui: don't send any event if delta_y == 0 



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: default avatarSergio Lopez <slp@redhat.com>
Message-id: 20190204122043.43007-1-slp@redhat.com
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 09bd7ba9

ui/gtk.c

+3 −1
Original line number Diff line number Diff line
@@ -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;