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clutter: Add API for retrieving gesture unaccelerated deltas

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This will be useful for better aligning behavior between scrolling and
swiping for gnome-shell swipe tracker.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1353>
This commit is contained in:
Alexander Mikhaylenko
2020-07-05 20:22:59 +05:00
committed by Marge Bot
parent 91d03f1c96
commit 2a71ca373b
3 changed files with 75 additions and 9 deletions
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27
src/backends/native/meta-seat-impl.c
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@ -1249,6 +1249,8 @@ notify_pinch_gesture_event (ClutterInputDevice *input_device,
uint64_t time_us,
double dx,
double dy,
double dx_unaccel,
double dy_unaccel,
double angle_delta,
double scale,
uint32_t n_fingers)
@ -1268,6 +1270,8 @@ notify_pinch_gesture_event (ClutterInputDevice *input_device,
event->touchpad_pinch.time = us2ms (time_us);
event->touchpad_pinch.dx = dx;
event->touchpad_pinch.dy = dy;
event->touchpad_pinch.dx_unaccel = dx_unaccel;
event->touchpad_pinch.dy_unaccel = dy_unaccel;
event->touchpad_pinch.angle_delta = angle_delta;
event->touchpad_pinch.scale = scale;
event->touchpad_pinch.n_fingers = n_fingers;
@ -1286,7 +1290,9 @@ notify_swipe_gesture_event (ClutterInputDevice *input_device,
uint64_t time_us,
uint32_t n_fingers,
double dx,
double dy)
double dy,
double dx_unaccel,
double dy_unaccel)
{
MetaSeatImpl *seat_impl;
ClutterEvent *event = NULL;
@ -1303,6 +1309,8 @@ notify_swipe_gesture_event (ClutterInputDevice *input_device,
&event->touchpad_swipe.y);
event->touchpad_swipe.dx = dx;
event->touchpad_swipe.dy = dy;
event->touchpad_swipe.dx_unaccel = dx_unaccel;
event->touchpad_swipe.dy_unaccel = dy_unaccel;
event->touchpad_swipe.n_fingers = n_fingers;
meta_xkb_translate_state (event, seat_impl->xkb, seat_impl->button_state);
@ -2278,14 +2286,14 @@ process_device_event (MetaSeatImpl *seat_impl,
n_fingers = libinput_event_gesture_get_finger_count (gesture_event);
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_gesture_get_time_usec (gesture_event);
notify_pinch_gesture_event (device, phase, time_us, 0, 0, 0, 0, n_fingers);
notify_pinch_gesture_event (device, phase, time_us, 0, 0, 0, 0, 0, 0, n_fingers);
break;
}
case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE:
{
struct libinput_event_gesture *gesture_event =
libinput_event_get_gesture_event (event);
double angle_delta, scale, dx, dy;
double angle_delta, scale, dx, dy, dx_unaccel, dy_unaccel;
uint32_t n_fingers;
uint64_t time_us;
@ -2296,10 +2304,13 @@ process_device_event (MetaSeatImpl *seat_impl,
scale = libinput_event_gesture_get_scale (gesture_event);
dx = libinput_event_gesture_get_dx (gesture_event);
dy = libinput_event_gesture_get_dy (gesture_event);
dx_unaccel = libinput_event_gesture_get_dx_unaccelerated (gesture_event);
dy_unaccel = libinput_event_gesture_get_dy_unaccelerated (gesture_event);
notify_pinch_gesture_event (device,
CLUTTER_TOUCHPAD_GESTURE_PHASE_UPDATE,
time_us, dx, dy, angle_delta, scale, n_fingers);
time_us, dx, dy, dx_unaccel, dy_unaccel,
angle_delta, scale, n_fingers);
break;
}
case LIBINPUT_EVENT_GESTURE_SWIPE_BEGIN:
@ -2321,7 +2332,7 @@ process_device_event (MetaSeatImpl *seat_impl,
phase = libinput_event_gesture_get_cancelled (gesture_event) ?
CLUTTER_TOUCHPAD_GESTURE_PHASE_CANCEL : CLUTTER_TOUCHPAD_GESTURE_PHASE_END;
notify_swipe_gesture_event (device, phase, time_us, n_fingers, 0, 0);
notify_swipe_gesture_event (device, phase, time_us, n_fingers, 0, 0, 0, 0);
break;
}
case LIBINPUT_EVENT_GESTURE_SWIPE_UPDATE:
@ -2330,17 +2341,19 @@ process_device_event (MetaSeatImpl *seat_impl,
libinput_event_get_gesture_event (event);
uint32_t n_fingers;
uint64_t time_us;
double dx, dy;
double dx, dy, dx_unaccel, dy_unaccel;
device = libinput_device_get_user_data (libinput_device);
time_us = libinput_event_gesture_get_time_usec (gesture_event);
n_fingers = libinput_event_gesture_get_finger_count (gesture_event);
dx = libinput_event_gesture_get_dx (gesture_event);
dy = libinput_event_gesture_get_dy (gesture_event);
dx_unaccel = libinput_event_gesture_get_dx_unaccelerated (gesture_event);
dy_unaccel = libinput_event_gesture_get_dy_unaccelerated (gesture_event);
notify_swipe_gesture_event (device,
CLUTTER_TOUCHPAD_GESTURE_PHASE_UPDATE,
time_us, n_fingers, dx, dy);
time_us, n_fingers, dx, dy, dx_unaccel, dy_unaccel);
break;
}
case LIBINPUT_EVENT_TABLET_TOOL_AXIS: