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pointer-constraints: make region not a pointer, add committed bitfield

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This commit is contained in:
emersion 2018-09-26 23:08:52 +02:00
parent c89cd4945b
commit 31cc2fa4f9
3 changed files with 56 additions and 49 deletions
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9
include/wlr/types/wlr_pointer_constraints_v1.h
View file

@ -15,13 +15,18 @@ enum wlr_pointer_constraint_v1_type {
WLR_POINTER_CONSTRAINT_V1_CONFINED,
};
enum wlr_pointer_constraint_v1_state_field {
WLR_POINTER_CONSTRAINT_V1_STATE_REGION = 1 << 0,
WLR_POINTER_CONSTRAINT_V1_STATE_CURSOR_HINT = 1 << 1,
};
struct wlr_pointer_constraint_v1_state {
pixman_region32_t *region;
uint32_t committed; // enum wlr_pointer_constraint_v1_state_field
pixman_region32_t region;
// only valid for locked_pointer
struct {
double x, y;
bool valid;
} cursor_hint;
};

4
rootston/desktop.c
View file

@ -798,7 +798,9 @@ static void handle_constraint_destroy(
struct roots_seat* seat = constraint->seat->data;
if (seat->cursor->active_constraint == constraint) {
roots_cursor_constrain(seat->cursor, NULL, NAN, NAN);
if (constraint->current.cursor_hint.valid && seat->cursor->pointer_view) {
if (constraint->current.committed &
WLR_POINTER_CONSTRAINT_V1_STATE_CURSOR_HINT &&
seat->cursor->pointer_view) {
double sx = constraint->current.cursor_hint.x;
double sy = constraint->current.cursor_hint.y;

92
types/wlr_pointer_constraints_v1.c
View file

@ -57,15 +57,8 @@ static void pointer_constraint_destroy(struct wlr_pointer_constraint_v1 *constra
&constraint->pointer_constraints->events.constraint_destroy,
constraint);
if (constraint->current.region) {
pixman_region32_fini(constraint->current.region);
free(constraint->current.region);
}
if (constraint->pending.region &&
constraint->current.region != constraint->pending.region) {
pixman_region32_fini(constraint->pending.region);
free(constraint->pending.region);
}
pixman_region32_fini(&constraint->current.region);
pixman_region32_fini(&constraint->pending.region);
pixman_region32_fini(&constraint->region);
free(constraint);
}
@ -80,24 +73,17 @@ static void pointer_constraint_destroy_resource(struct wl_resource *resource) {
static void pointer_constraint_set_region(
struct wlr_pointer_constraint_v1 *constraint,
struct wl_resource *region_resource) {
if (constraint->pending.region &&
constraint->current.region != constraint->pending.region) {
pixman_region32_fini(constraint->pending.region);
free(constraint->pending.region);
}
pixman_region32_clear(&constraint->pending.region);
if (region_resource) {
constraint->pending.region = calloc(1, sizeof(pixman_region32_t));
pixman_region32_init(constraint->pending.region);
pixman_region32_t *region = wlr_region_from_resource(region_resource);
pixman_region32_copy(constraint->pending.region, region);
} else {
constraint->pending.region = NULL;
pixman_region32_copy(&constraint->pending.region, region);
}
constraint->pending.committed |= WLR_POINTER_CONSTRAINT_V1_STATE_REGION;
}
static void pointer_constraint_set_region_wrapper(struct wl_client *client,
static void pointer_constraint_handle_set_region(struct wl_client *client,
struct wl_resource *resource, struct wl_resource *region_resource) {
struct wlr_pointer_constraint_v1 *constraint =
pointer_constraint_from_resource(resource);
@ -112,27 +98,28 @@ static void pointer_constraint_set_cursor_position_hint(struct wl_client *client
constraint->pending.cursor_hint.x = wl_fixed_to_double(x);
constraint->pending.cursor_hint.y = wl_fixed_to_double(y);
constraint->pending.cursor_hint.valid = true;
constraint->pending.committed |= WLR_POINTER_CONSTRAINT_V1_STATE_CURSOR_HINT;
}
static void pointer_constraint_handle_commit(
struct wlr_pointer_constraint_v1 *constraint) {
constraint->current.cursor_hint = constraint->pending.cursor_hint;
if (constraint->current.region != constraint->pending.region) {
if (constraint->current.region) {
pixman_region32_fini(constraint->current.region);
free(constraint->current.region);
}
constraint->current.region = constraint->pending.region;
if (constraint->pending.committed &
WLR_POINTER_CONSTRAINT_V1_STATE_REGION) {
pixman_region32_copy(&constraint->current.region,
&constraint->pending.region);
}
if (constraint->pending.committed &
WLR_POINTER_CONSTRAINT_V1_STATE_CURSOR_HINT) {
constraint->current.cursor_hint = constraint->pending.cursor_hint;
}
constraint->current.committed |= constraint->pending.committed;
constraint->pending.committed = 0;
pixman_region32_clear(&constraint->region);
if (constraint->current.region) {
if (pixman_region32_not_empty(&constraint->current.region)) {
pixman_region32_intersect(&constraint->region,
&constraint->surface->input_region, constraint->current.region);
&constraint->surface->input_region, &constraint->current.region);
} else {
pixman_region32_copy(&constraint->region,
&constraint->surface->input_region);
@ -162,18 +149,19 @@ static void handle_seat_destroy(struct wl_listener *listener, void *data) {
static const struct zwp_confined_pointer_v1_interface confined_pointer_impl = {
.destroy = resource_destroy,
.set_region = pointer_constraint_set_region_wrapper,
.set_region = pointer_constraint_handle_set_region,
};
static const struct zwp_locked_pointer_v1_interface locked_pointer_impl = {
.destroy = resource_destroy,
.set_region = pointer_constraint_set_region_wrapper,
.set_region = pointer_constraint_handle_set_region,
.set_cursor_position_hint = pointer_constraint_set_cursor_position_hint,
};
static void pointer_constraint_create(struct wl_client *client,
struct wl_resource *pointer_constraints_resource, uint32_t id,
struct wl_resource *surface_resource, struct wl_resource *pointer_resource,
struct wl_resource *surface_resource,
struct wl_resource *pointer_resource,
struct wl_resource *region_resource,
enum zwp_pointer_constraints_v1_lifetime lifetime,
enum wlr_pointer_constraint_v1_type type) {
@ -181,7 +169,8 @@ static void pointer_constraint_create(struct wl_client *client,
pointer_constraints_from_resource(pointer_constraints_resource);
struct wlr_surface *surface = wlr_surface_from_resource(surface_resource);
struct wlr_seat *seat = wlr_seat_client_from_pointer_resource(pointer_resource)->seat;
struct wlr_seat *seat =
wlr_seat_client_from_pointer_resource(pointer_resource)->seat;
if (wlr_pointer_constraints_v1_constraint_for_surface(pointer_constraints,
surface, seat)) {
@ -220,6 +209,9 @@ static void pointer_constraint_create(struct wl_client *client,
pixman_region32_init(&constraint->region);
pixman_region32_init(&constraint->pending.region);
pixman_region32_init(&constraint->current.region);
pointer_constraint_set_region(constraint, region_resource);
pointer_constraint_handle_commit(constraint);
@ -256,12 +248,14 @@ static void pointer_constraints_lock_pointer(struct wl_client *client,
static void pointer_constraints_confine_pointer(struct wl_client *client,
struct wl_resource *cons_resource, uint32_t id,
struct wl_resource *surface, struct wl_resource *pointer,
struct wl_resource *region, enum zwp_pointer_constraints_v1_lifetime lifetime) {
struct wl_resource *region,
enum zwp_pointer_constraints_v1_lifetime lifetime) {
pointer_constraint_create(client, cons_resource, id, surface, pointer,
region, lifetime, WLR_POINTER_CONSTRAINT_V1_CONFINED);
}
static const struct zwp_pointer_constraints_v1_interface pointer_constraints_impl = {
static const struct zwp_pointer_constraints_v1_interface
pointer_constraints_impl = {
.destroy = resource_destroy,
.lock_pointer = pointer_constraints_lock_pointer,
.confine_pointer = pointer_constraints_confine_pointer,
@ -283,7 +277,8 @@ static void pointer_constraints_bind(struct wl_client *client, void *data,
return;
}
wl_list_insert(&pointer_constraints->resources, wl_resource_get_link(resource));
wl_list_insert(&pointer_constraints->resources,
wl_resource_get_link(resource));
wl_resource_set_implementation(resource, &pointer_constraints_impl,
pointer_constraints, pointer_constraints_destroy);
}
@ -317,12 +312,14 @@ struct wlr_pointer_constraints_v1 *wlr_pointer_constraints_v1_create(
void wlr_pointer_constraints_v1_destroy(
struct wlr_pointer_constraints_v1 *pointer_constraints) {
struct wl_resource *resource, *_tmp_res;
wl_resource_for_each_safe(resource, _tmp_res, &pointer_constraints->resources) {
wl_resource_for_each_safe(resource, _tmp_res,
&pointer_constraints->resources) {
wl_resource_destroy(resource);
}
struct wlr_pointer_constraint_v1 *constraint, *_tmp_cons;
wl_list_for_each_safe(constraint, _tmp_cons, &pointer_constraints->constraints, link) {
wl_list_for_each_safe(constraint, _tmp_cons,
&pointer_constraints->constraints, link) {
wl_resource_destroy(constraint->resource);
}
@ -330,7 +327,8 @@ void wlr_pointer_constraints_v1_destroy(
free(pointer_constraints);
}
struct wlr_pointer_constraint_v1 *wlr_pointer_constraints_v1_constraint_for_surface(
struct wlr_pointer_constraint_v1 *
wlr_pointer_constraints_v1_constraint_for_surface(
struct wlr_pointer_constraints_v1 *pointer_constraints,
struct wlr_surface *surface, struct wlr_seat *seat) {
struct wlr_pointer_constraint_v1 *constraint;
@ -351,11 +349,13 @@ void wlr_pointer_constraint_v1_send_activated(
zwp_confined_pointer_v1_send_confined(constraint->resource);
}
void wlr_pointer_constraint_v1_send_deactivated(struct wlr_pointer_constraint_v1 *constraint) {
void wlr_pointer_constraint_v1_send_deactivated(
struct wlr_pointer_constraint_v1 *constraint) {
if (wl_resource_get_user_data(constraint->resource)) {
wlr_log(WLR_DEBUG, "unconstrained %p", constraint);
zwp_confined_pointer_v1_send_unconfined(constraint->resource);
if (constraint->lifetime == ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT) {
if (constraint->lifetime ==
ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT) {
pointer_constraint_destroy(constraint);
}
}