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backends/native: Use libinput seat slot API

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Instead of creating a seat-wide touch slot ID ourselves, rely on libinput
API doing this for us.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
This commit is contained in:
Carlos Garnacho 2020-05-07 12:41:32 +02:00 committed by Jonas Ådahl
parent 439e9a5567
commit c9a405ff9e
4 changed files with 50 additions and 58 deletions
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3
src/backends/native/meta-input-device-native.c
View file

@ -1233,7 +1233,8 @@ release_device_touch_slot (gpointer value)
{
MetaTouchState *touch_state = value;
meta_seat_native_release_touch_state (touch_state->seat, touch_state);
meta_seat_native_release_touch_state (touch_state->seat,
touch_state->seat_slot);
}
MetaTouchState *

93
src/backends/native/meta-seat-native.c
View file

@ -146,63 +146,58 @@ meta_seat_native_sync_leds (MetaSeatNative *seat)
}
}
static void
clutter_touch_state_free (MetaTouchState *touch_state)
MetaTouchState *
meta_seat_native_lookup_touch_state (MetaSeatNative *seat,
int seat_slot)
{
g_slice_free (MetaTouchState, touch_state);
if (!seat->touch_states)
return NULL;
return g_hash_table_lookup (seat->touch_states, GINT_TO_POINTER (seat_slot));
}
static void
ensure_seat_slot_allocated (MetaSeatNative *seat,
int seat_slot)
meta_touch_state_free (MetaTouchState *state)
{
if (seat_slot >= seat->n_alloc_touch_states)
{
const int size_increase = 5;
int i;
seat->n_alloc_touch_states += size_increase;
seat->touch_states = g_realloc_n (seat->touch_states,
seat->n_alloc_touch_states,
sizeof (MetaTouchState *));
for (i = 0; i < size_increase; i++)
seat->touch_states[seat->n_alloc_touch_states - (i + 1)] = NULL;
}
g_slice_free (MetaTouchState, state);
}
MetaTouchState *
meta_seat_native_acquire_touch_state (MetaSeatNative *seat,
int device_slot)
int seat_slot)
{
MetaTouchState *touch_state;
int seat_slot;
for (seat_slot = 0; seat_slot < seat->n_alloc_touch_states; seat_slot++)
if (!seat->touch_states)
{
if (!seat->touch_states[seat_slot])
break;
seat->touch_states =
g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) meta_touch_state_free);
}
ensure_seat_slot_allocated (seat, seat_slot);
g_assert (!g_hash_table_contains (seat->touch_states,
GINT_TO_POINTER (seat_slot)));
touch_state = g_slice_new0 (MetaTouchState);
*touch_state = (MetaTouchState) {
.seat = seat,
.seat_slot = seat_slot,
.device_slot = device_slot,
};
seat->touch_states[seat_slot] = touch_state;
g_hash_table_insert (seat->touch_states, GINT_TO_POINTER (seat_slot),
touch_state);
return touch_state;
}
void
meta_seat_native_release_touch_state (MetaSeatNative *seat,
MetaTouchState *touch_state)
int seat_slot)
{
g_clear_pointer (&seat->touch_states[touch_state->seat_slot],
clutter_touch_state_free);
if (!seat->touch_states)
return;
g_hash_table_remove (seat->touch_states, GINT_TO_POINTER (seat_slot));
}
void
@ -1980,7 +1975,7 @@ process_device_event (MetaSeatNative *seat,
case LIBINPUT_EVENT_TOUCH_DOWN:
{
int device_slot;
int seat_slot;
uint64_t time_us;
double x, y;
float stage_width, stage_height;
@ -2001,16 +1996,14 @@ process_device_event (MetaSeatNative *seat,
stage_width = clutter_actor_get_width (CLUTTER_ACTOR (stage));
stage_height = clutter_actor_get_height (CLUTTER_ACTOR (stage));
device_slot = libinput_event_touch_get_slot (touch_event);
seat_slot = libinput_event_touch_get_seat_slot (touch_event);
time_us = libinput_event_touch_get_time_usec (touch_event);
x = libinput_event_touch_get_x_transformed (touch_event,
stage_width);
y = libinput_event_touch_get_y_transformed (touch_event,
stage_height);
touch_state =
meta_input_device_native_acquire_touch_state (device_evdev,
device_slot);
touch_state = meta_seat_native_acquire_touch_state (seat, seat_slot);
touch_state->coords.x = x;
touch_state->coords.y = y;
@ -2025,7 +2018,7 @@ process_device_event (MetaSeatNative *seat,
case LIBINPUT_EVENT_TOUCH_UP:
{
int device_slot;
int seat_slot;
uint64_t time_us;
MetaSeatNative *seat;
MetaTouchState *touch_state;
@ -2036,11 +2029,9 @@ process_device_event (MetaSeatNative *seat,
device_evdev = META_INPUT_DEVICE_NATIVE (device);
seat = meta_input_device_native_get_seat (device_evdev);
device_slot = libinput_event_touch_get_slot (touch_event);
seat_slot = libinput_event_touch_get_seat_slot (touch_event);
time_us = libinput_event_touch_get_time_usec (touch_event);
touch_state =
meta_input_device_native_lookup_touch_state (device_evdev,
device_slot);
touch_state = meta_seat_native_lookup_touch_state (seat, seat_slot);
if (!touch_state)
break;
@ -2049,14 +2040,13 @@ process_device_event (MetaSeatNative *seat,
touch_state->seat_slot,
touch_state->coords.x,
touch_state->coords.y);
meta_input_device_native_release_touch_state (device_evdev,
touch_state);
meta_seat_native_release_touch_state (seat, seat_slot);
break;
}
case LIBINPUT_EVENT_TOUCH_MOTION:
{
int device_slot;
int seat_slot;
uint64_t time_us;
double x, y;
float stage_width, stage_height;
@ -2077,16 +2067,14 @@ process_device_event (MetaSeatNative *seat,
stage_width = clutter_actor_get_width (CLUTTER_ACTOR (stage));
stage_height = clutter_actor_get_height (CLUTTER_ACTOR (stage));
device_slot = libinput_event_touch_get_slot (touch_event);
seat_slot = libinput_event_touch_get_seat_slot (touch_event);
time_us = libinput_event_touch_get_time_usec (touch_event);
x = libinput_event_touch_get_x_transformed (touch_event,
stage_width);
y = libinput_event_touch_get_y_transformed (touch_event,
stage_height);
touch_state =
meta_input_device_native_lookup_touch_state (device_evdev,
device_slot);
touch_state = meta_seat_native_lookup_touch_state (seat, seat_slot);
if (!touch_state)
break;
@ -2103,7 +2091,7 @@ process_device_event (MetaSeatNative *seat,
}
case LIBINPUT_EVENT_TOUCH_CANCEL:
{
int device_slot;
int seat_slot;
MetaTouchState *touch_state;
uint64_t time_us;
MetaSeatNative *seat;
@ -2115,10 +2103,8 @@ process_device_event (MetaSeatNative *seat,
seat = meta_input_device_native_get_seat (device_evdev);
time_us = libinput_event_touch_get_time_usec (touch_event);
device_slot = libinput_event_touch_get_slot (touch_event);
touch_state =
meta_input_device_native_lookup_touch_state (device_evdev,
device_slot);
seat_slot = libinput_event_touch_get_seat_slot (touch_event);
touch_state = meta_seat_native_lookup_touch_state (seat, seat_slot);
if (!touch_state)
break;
@ -2130,7 +2116,7 @@ process_device_event (MetaSeatNative *seat,
touch_state->coords.x,
touch_state->coords.y);
meta_input_device_native_release_touch_state (device_evdev, touch_state);
meta_seat_native_release_touch_state (seat, seat_slot);
break;
}
case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN:
@ -2602,7 +2588,10 @@ meta_seat_native_finalize (GObject *object)
g_object_unref (device);
}
g_slist_free (seat->devices);
g_free (seat->touch_states);
if (seat->touch_states)
g_hash_table_destroy (seat->touch_states);
g_hash_table_destroy (seat->reserved_virtual_slots);
g_object_unref (seat->udev_client);

9
src/backends/native/meta-seat-native.h
View file

@ -88,8 +88,7 @@ struct _MetaSeatNative
ClutterInputDevice *core_pointer;
ClutterInputDevice *core_keyboard;
MetaTouchState **touch_states;
int n_alloc_touch_states;
GHashTable *touch_states;
guint virtual_touch_slot_base;
GHashTable *reserved_virtual_slots;
@ -204,10 +203,12 @@ void meta_seat_native_set_libinput_seat (MetaSeatNative *seat,
void meta_seat_native_sync_leds (MetaSeatNative *seat);
MetaTouchState * meta_seat_native_acquire_touch_state (MetaSeatNative *seat,
int device_slot);
int seat_slot);
MetaTouchState * meta_seat_native_lookup_touch_state (MetaSeatNative *seat,
int seat_slot);
void meta_seat_native_release_touch_state (MetaSeatNative *seat,
MetaTouchState *touch_state);
int seat_slot);
void meta_seat_native_set_stage (MetaSeatNative *seat,
ClutterStage *stage);

3
src/backends/native/meta-virtual-input-device-native.c
View file

@ -642,7 +642,8 @@ meta_virtual_input_device_native_notify_touch_up (ClutterVirtualInputDevice *vir
touch_state->coords.x,
touch_state->coords.y);
meta_input_device_native_release_touch_state (device_evdev, touch_state);
meta_seat_native_release_touch_state (virtual_evdev->seat,
touch_state->seat_slot);
}
static void