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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/1403
This commit is contained in:
Carlos Garnacho 2020-05-07 12:41:32 +02:00
parent 9597b5a703
commit 2316dfe394
3 changed files with 45 additions and 66 deletions
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99
src/backends/native/meta-seat-native.c
View File

@ -146,79 +146,56 @@ meta_seat_native_sync_leds (MetaSeatNative *seat)
} }
} }
static void
clutter_touch_state_free (MetaTouchState *touch_state)
{
g_slice_free (MetaTouchState, touch_state);
}
static void
ensure_seat_slot_allocated (MetaSeatNative *seat,
int seat_slot)
{
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;
}
}
MetaTouchState * MetaTouchState *
meta_seat_native_lookup_touch_state (MetaSeatNative *seat, meta_seat_native_lookup_touch_state (MetaSeatNative *seat,
int device_slot) int seat_slot)
{ {
int seat_slot; if (!seat->touch_states)
for (seat_slot = 0; seat_slot < seat->n_alloc_touch_states; seat_slot++)
{
if (seat->touch_states[seat_slot] &&
seat->touch_states[seat_slot]->device_slot == device_slot)
return seat->touch_states[seat_slot];
}
return NULL; return NULL;
return g_hash_table_lookup (seat->touch_states, GINT_TO_POINTER (seat_slot));
}
static void
meta_touch_state_free (MetaTouchState *state)
{
g_slice_free (MetaTouchState, state);
} }
MetaTouchState * MetaTouchState *
meta_seat_native_acquire_touch_state (MetaSeatNative *seat, meta_seat_native_acquire_touch_state (MetaSeatNative *seat,
int device_slot) int seat_slot)
{ {
MetaTouchState *touch_state; 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]) seat->touch_states =
break; 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 = g_slice_new0 (MetaTouchState);
*touch_state = (MetaTouchState) { *touch_state = (MetaTouchState) {
.seat = seat, .seat = seat,
.seat_slot = seat_slot, .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; return touch_state;
} }
void void
meta_seat_native_release_touch_state (MetaSeatNative *seat, meta_seat_native_release_touch_state (MetaSeatNative *seat,
MetaTouchState *touch_state) int seat_slot)
{ {
g_clear_pointer (&seat->touch_states[touch_state->seat_slot], if (!seat->touch_states)
clutter_touch_state_free); return;
g_hash_table_remove (seat->touch_states, GINT_TO_POINTER (seat_slot));
} }
void void
@ -1962,7 +1939,7 @@ process_device_event (MetaSeatNative *seat,
case LIBINPUT_EVENT_TOUCH_DOWN: case LIBINPUT_EVENT_TOUCH_DOWN:
{ {
int device_slot; int seat_slot;
uint64_t time_us; uint64_t time_us;
double x, y; double x, y;
float stage_width, stage_height; float stage_width, stage_height;
@ -1983,14 +1960,14 @@ process_device_event (MetaSeatNative *seat,
stage_width = clutter_actor_get_width (CLUTTER_ACTOR (stage)); stage_width = clutter_actor_get_width (CLUTTER_ACTOR (stage));
stage_height = clutter_actor_get_height (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); time_us = libinput_event_touch_get_time_usec (touch_event);
x = libinput_event_touch_get_x_transformed (touch_event, x = libinput_event_touch_get_x_transformed (touch_event,
stage_width); stage_width);
y = libinput_event_touch_get_y_transformed (touch_event, y = libinput_event_touch_get_y_transformed (touch_event,
stage_height); stage_height);
touch_state = meta_seat_native_acquire_touch_state (seat, device_slot); touch_state = meta_seat_native_acquire_touch_state (seat, seat_slot);
touch_state->coords.x = x; touch_state->coords.x = x;
touch_state->coords.y = y; touch_state->coords.y = y;
@ -2005,7 +1982,7 @@ process_device_event (MetaSeatNative *seat,
case LIBINPUT_EVENT_TOUCH_UP: case LIBINPUT_EVENT_TOUCH_UP:
{ {
int device_slot; int seat_slot;
uint64_t time_us; uint64_t time_us;
MetaSeatNative *seat; MetaSeatNative *seat;
MetaTouchState *touch_state; MetaTouchState *touch_state;
@ -2016,9 +1993,9 @@ process_device_event (MetaSeatNative *seat,
device_evdev = META_INPUT_DEVICE_NATIVE (device); device_evdev = META_INPUT_DEVICE_NATIVE (device);
seat = meta_input_device_native_get_seat (device_evdev); 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); time_us = libinput_event_touch_get_time_usec (touch_event);
touch_state = meta_seat_native_lookup_touch_state (seat, device_slot); touch_state = meta_seat_native_lookup_touch_state (seat, seat_slot);
if (!touch_state) if (!touch_state)
break; break;
@ -2027,13 +2004,13 @@ process_device_event (MetaSeatNative *seat,
touch_state->seat_slot, touch_state->seat_slot,
touch_state->coords.x, touch_state->coords.x,
touch_state->coords.y); touch_state->coords.y);
meta_seat_native_release_touch_state (seat, touch_state); meta_seat_native_release_touch_state (seat, seat_slot);
break; break;
} }
case LIBINPUT_EVENT_TOUCH_MOTION: case LIBINPUT_EVENT_TOUCH_MOTION:
{ {
int device_slot; int seat_slot;
uint64_t time_us; uint64_t time_us;
double x, y; double x, y;
float stage_width, stage_height; float stage_width, stage_height;
@ -2054,14 +2031,14 @@ process_device_event (MetaSeatNative *seat,
stage_width = clutter_actor_get_width (CLUTTER_ACTOR (stage)); stage_width = clutter_actor_get_width (CLUTTER_ACTOR (stage));
stage_height = clutter_actor_get_height (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); time_us = libinput_event_touch_get_time_usec (touch_event);
x = libinput_event_touch_get_x_transformed (touch_event, x = libinput_event_touch_get_x_transformed (touch_event,
stage_width); stage_width);
y = libinput_event_touch_get_y_transformed (touch_event, y = libinput_event_touch_get_y_transformed (touch_event,
stage_height); stage_height);
touch_state = meta_seat_native_lookup_touch_state (seat, device_slot); touch_state = meta_seat_native_lookup_touch_state (seat, seat_slot);
if (!touch_state) if (!touch_state)
break; break;
@ -2078,7 +2055,7 @@ process_device_event (MetaSeatNative *seat,
} }
case LIBINPUT_EVENT_TOUCH_CANCEL: case LIBINPUT_EVENT_TOUCH_CANCEL:
{ {
int device_slot; int seat_slot;
MetaTouchState *touch_state; MetaTouchState *touch_state;
uint64_t time_us; uint64_t time_us;
MetaSeatNative *seat; MetaSeatNative *seat;
@ -2090,8 +2067,8 @@ process_device_event (MetaSeatNative *seat,
seat = meta_input_device_native_get_seat (device_evdev); seat = meta_input_device_native_get_seat (device_evdev);
time_us = libinput_event_touch_get_time_usec (touch_event); time_us = libinput_event_touch_get_time_usec (touch_event);
device_slot = libinput_event_touch_get_slot (touch_event); seat_slot = libinput_event_touch_get_seat_slot (touch_event);
touch_state = meta_seat_native_lookup_touch_state (seat, device_slot); touch_state = meta_seat_native_lookup_touch_state (seat, seat_slot);
if (!touch_state) if (!touch_state)
break; break;
@ -2103,7 +2080,7 @@ process_device_event (MetaSeatNative *seat,
touch_state->coords.x, touch_state->coords.x,
touch_state->coords.y); touch_state->coords.y);
meta_seat_native_release_touch_state (touch_state->seat, touch_state); meta_seat_native_release_touch_state (seat, seat_slot);
break; break;
} }
case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN: case LIBINPUT_EVENT_GESTURE_PINCH_BEGIN:
@ -2574,7 +2551,9 @@ meta_seat_native_finalize (GObject *object)
g_object_unref (device); g_object_unref (device);
} }
g_slist_free (seat->devices); g_slist_free (seat->devices);
g_free (seat->touch_states);
if (seat->touch_states)
g_hash_table_destroy (seat->touch_states);
g_object_unref (seat->udev_client); 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_pointer;
ClutterInputDevice *core_keyboard; ClutterInputDevice *core_keyboard;
MetaTouchState **touch_states; GHashTable *touch_states;
int n_alloc_touch_states;
struct xkb_state *xkb; struct xkb_state *xkb;
xkb_led_index_t caps_lock_led; xkb_led_index_t caps_lock_led;
@ -205,12 +204,12 @@ ClutterInputDevice * meta_seat_native_get_device (MetaSeatNative *seat,
int id); int id);
MetaTouchState * meta_seat_native_acquire_touch_state (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, MetaTouchState * meta_seat_native_lookup_touch_state (MetaSeatNative *seat,
int device_slot); int seat_slot);
void meta_seat_native_release_touch_state (MetaSeatNative *seat, void meta_seat_native_release_touch_state (MetaSeatNative *seat,
MetaTouchState *touch_state); int seat_slot);
void meta_seat_native_set_stage (MetaSeatNative *seat, void meta_seat_native_set_stage (MetaSeatNative *seat,
ClutterStage *stage); ClutterStage *stage);

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

@ -628,7 +628,8 @@ meta_virtual_input_device_native_notify_touch_up (ClutterVirtualInputDevice *vir
touch_state->coords.x, touch_state->coords.x,
touch_state->coords.y); touch_state->coords.y);
meta_seat_native_release_touch_state (virtual_evdev->seat, touch_state); meta_seat_native_release_touch_state (virtual_evdev->seat,
touch_state->seat_slot);
} }
static void static void