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backends: Use slot from cancel events

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As it does seem from a read to libinput code, TOUCH_CANCEL events
actually do contain slot information, and are emitted per-slot.
This means we can avoid iterating over the slots ourselves, they
are still expected to be sent altogether.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403
This commit is contained in:
Carlos Garnacho 2020-05-06 13:44:36 +02:00
parent 3ce5b34ade
commit 7dc1a28c8c
3 changed files with 19 additions and 25 deletions
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21
src/backends/native/meta-input-device-native.c
View File

@ -1517,24 +1517,3 @@ meta_input_device_native_translate_coordinates (ClutterInputDevice *device,
*x = CLAMP (x_d, MIN (min_x, max_x), MAX (min_x, max_x)) * stage_width;
*y = CLAMP (y_d, MIN (min_y, max_y), MAX (min_y, max_y)) * stage_height;
}
void
meta_input_device_native_release_touch_slots (MetaInputDeviceNative *device_evdev,
uint64_t time_us)
{
GHashTableIter iter;
MetaTouchState *touch_state;
g_hash_table_iter_init (&iter, device_evdev->touches);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &touch_state))
{
meta_seat_native_notify_touch_event (touch_state->seat,
CLUTTER_INPUT_DEVICE (device_evdev),
CLUTTER_TOUCH_CANCEL,
time_us,
touch_state->seat_slot,
touch_state->coords.x,
touch_state->coords.y);
g_hash_table_iter_remove (&iter);
}
}

3
src/backends/native/meta-input-device-native.h
View File

@ -134,9 +134,6 @@ MetaTouchState * meta_input_device_native_lookup_touch_state (MetaInput
void meta_input_device_native_release_touch_state (MetaInputDeviceNative *device,
MetaTouchState *touch_state);
void meta_input_device_native_release_touch_slots (MetaInputDeviceNative *device_evdev,
uint64_t time_us);
void meta_input_device_native_a11y_maybe_notify_toggle_keys (MetaInputDeviceNative *device_evdev);
struct libinput_device * meta_input_device_native_get_libinput_device (ClutterInputDevice *device);

20
src/backends/native/meta-seat-native.c
View File

@ -2078,16 +2078,34 @@ process_device_event (MetaSeatNative *seat,
}
case LIBINPUT_EVENT_TOUCH_CANCEL:
{
int device_slot;
MetaTouchState *touch_state;
uint64_t time_us;
MetaSeatNative *seat;
struct libinput_event_touch *touch_event =
libinput_event_get_touch_event (event);
device = libinput_device_get_user_data (libinput_device);
device_evdev = META_INPUT_DEVICE_NATIVE (device);
seat = meta_input_device_native_get_seat (device_evdev);
time_us = libinput_event_touch_get_time_usec (touch_event);
meta_input_device_native_release_touch_slots (device_evdev, time_us);
device_slot = libinput_event_touch_get_slot (touch_event);
touch_state =
meta_input_device_native_lookup_touch_state (device_evdev,
device_slot);
if (!touch_state)
break;
meta_seat_native_notify_touch_event (touch_state->seat,
CLUTTER_INPUT_DEVICE (device_evdev),
CLUTTER_TOUCH_CANCEL,
time_us,
touch_state->seat_slot,
touch_state->coords.x,
touch_state->coords.y);
meta_input_device_native_release_touch_state (device_evdev, touch_state);
break;
}
case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN: