On 3.4.0 or later, send GDK_SCROLL_SMOOTH event, instead of
GDK_SCROLL_UP/DOWN.
This fixes it by converting any smooth scroll to up/down.
(I.e. without smooth support)
Signed-off-by: OGAWA Hirofumi <hirof...@mail.parknet.co.jp>
---
ui/gtk.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff -puN ui/gtk.c~mouse-wheel-fix ui/gtk.c
--- qemu/ui/gtk.c~mouse-wheel-fix 2016-12-28 04:52:07.848682967 +0900
+++ qemu-hirofumi/ui/gtk.c 2017-01-05 05:38:24.200601498 +0900
@@ -1015,6 +1015,19 @@ static gboolean gd_scroll_event(GtkWidge
btn = INPUT_BUTTON_WHEEL_UP;
} else if (scroll->direction == GDK_SCROLL_DOWN) {
btn = INPUT_BUTTON_WHEEL_DOWN;
+#if GTK_CHECK_VERSION(3, 4, 0)
+ } else if (scroll->direction == GDK_SCROLL_SMOOTH) {
+ gdouble delta_x, delta_y;
+ if (!gdk_event_get_scroll_deltas((GdkEvent *)scroll,
+ &delta_x, &delta_y)) {
+ return TRUE;
+ }
+ if (delta_y > 0) {
+ btn = INPUT_BUTTON_WHEEL_DOWN;
+ } else {
+ btn = INPUT_BUTTON_WHEEL_UP;
+ }
+#endif
} else {
return TRUE;
}
_
--
OGAWA Hirofumi <hirof...@mail.parknet.co.jp>
