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Do not filter out small scroll event fractions

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The scroll motion values are subject of batching and scaling. Either
through scaling or by using a touchpad smooth scroll motion changes
below 0.5 are possible.

https://bugzilla.gnome.org/show_bug.cgi?id=769554

Signed-off-by: Andreas Pokorny <andreas.pokorny@canonical.com>
This commit is contained in:
Andreas Pokorny 2016-08-14 01:29:35 +02:00 committed by William Hua
parent ea0436c3b5
commit fe216b0039
1 changed files with 2 additions and 2 deletions
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4
gdk/mir/gdkmireventsource.c
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@ -196,7 +196,7 @@ generate_scroll_event (GdkWindow *window, gdouble x, gdouble y, gdouble delta_x,
else else
{ {
event->scroll.direction = GDK_SCROLL_SMOOTH; event->scroll.direction = GDK_SCROLL_SMOOTH;
event->scroll.delta_x = -delta_x; event->scroll.delta_x = delta_x;
event->scroll.delta_y = -delta_y; event->scroll.delta_y = -delta_y;
} }
@ -403,7 +403,7 @@ handle_motion_event (GdkWindow *window, const MirInputEvent *event)
hscroll = mir_pointer_event_axis_value (pointer_event, mir_pointer_axis_hscroll); hscroll = mir_pointer_event_axis_value (pointer_event, mir_pointer_axis_hscroll);
vscroll = mir_pointer_event_axis_value (pointer_event, mir_pointer_axis_vscroll); vscroll = mir_pointer_event_axis_value (pointer_event, mir_pointer_axis_vscroll);
if (ABS (hscroll) > 0.5 || ABS (vscroll) > 0.5) if (hscroll != 0.0 || vscroll != 0.0)
generate_scroll_event (window, x, y, hscroll, vscroll, modifier_state, event_time); generate_scroll_event (window, x, y, hscroll, vscroll, modifier_state, event_time);
if (ABS (new_x - x) > 0.5 || ABS (new_y - y) > 0.5) if (ABS (new_x - x) > 0.5 || ABS (new_y - y) > 0.5)
{ {