580 lines
18 KiB
C
580 lines
18 KiB
C
#define _POSIX_C_SOURCE 200809L
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <wayland-server-core.h>
|
|
#include <wlr/types/wlr_compositor.h>
|
|
#include <wlr/util/log.h>
|
|
#include "types/wlr_seat.h"
|
|
#include "util/set.h"
|
|
|
|
static void default_pointer_enter(struct wlr_seat_pointer_grab *grab,
|
|
struct wlr_surface *surface, double sx, double sy) {
|
|
wlr_seat_pointer_enter(grab->seat, surface, sx, sy);
|
|
}
|
|
|
|
static void default_pointer_clear_focus(struct wlr_seat_pointer_grab *grab) {
|
|
wlr_seat_pointer_clear_focus(grab->seat);
|
|
}
|
|
|
|
static void default_pointer_motion(struct wlr_seat_pointer_grab *grab,
|
|
uint32_t time, double sx, double sy) {
|
|
wlr_seat_pointer_send_motion(grab->seat, time, sx, sy);
|
|
}
|
|
|
|
static uint32_t default_pointer_button(struct wlr_seat_pointer_grab *grab,
|
|
uint32_t time, uint32_t button, enum wlr_button_state state) {
|
|
return wlr_seat_pointer_send_button(grab->seat, time, button, state);
|
|
}
|
|
|
|
static void default_pointer_axis(struct wlr_seat_pointer_grab *grab,
|
|
uint32_t time, enum wlr_axis_orientation orientation, double value,
|
|
int32_t value_discrete, enum wlr_axis_source source) {
|
|
wlr_seat_pointer_send_axis(grab->seat, time, orientation, value,
|
|
value_discrete, source);
|
|
}
|
|
|
|
static void default_pointer_frame(struct wlr_seat_pointer_grab *grab) {
|
|
wlr_seat_pointer_send_frame(grab->seat);
|
|
}
|
|
|
|
static void default_pointer_cancel(struct wlr_seat_pointer_grab *grab) {
|
|
// cannot be cancelled
|
|
}
|
|
|
|
const struct wlr_pointer_grab_interface default_pointer_grab_impl = {
|
|
.enter = default_pointer_enter,
|
|
.clear_focus = default_pointer_clear_focus,
|
|
.motion = default_pointer_motion,
|
|
.button = default_pointer_button,
|
|
.axis = default_pointer_axis,
|
|
.frame = default_pointer_frame,
|
|
.cancel = default_pointer_cancel,
|
|
};
|
|
|
|
|
|
static void pointer_send_frame(struct wl_resource *resource) {
|
|
if (wl_resource_get_version(resource) >=
|
|
WL_POINTER_FRAME_SINCE_VERSION) {
|
|
wl_pointer_send_frame(resource);
|
|
}
|
|
}
|
|
|
|
static const struct wl_pointer_interface pointer_impl;
|
|
|
|
struct wlr_seat_client *wlr_seat_client_from_pointer_resource(
|
|
struct wl_resource *resource) {
|
|
assert(wl_resource_instance_of(resource, &wl_pointer_interface,
|
|
&pointer_impl));
|
|
return wl_resource_get_user_data(resource);
|
|
}
|
|
|
|
static void pointer_cursor_surface_handle_commit(struct wlr_surface *surface) {
|
|
pixman_region32_clear(&surface->input_region);
|
|
if (wlr_surface_has_buffer(surface)) {
|
|
wlr_surface_map(surface);
|
|
}
|
|
}
|
|
|
|
static const struct wlr_surface_role pointer_cursor_surface_role = {
|
|
.name = "wl_pointer-cursor",
|
|
.no_object = true,
|
|
.commit = pointer_cursor_surface_handle_commit,
|
|
};
|
|
|
|
static void pointer_set_cursor(struct wl_client *client,
|
|
struct wl_resource *pointer_resource, uint32_t serial,
|
|
struct wl_resource *surface_resource,
|
|
int32_t hotspot_x, int32_t hotspot_y) {
|
|
struct wlr_seat_client *seat_client =
|
|
wlr_seat_client_from_pointer_resource(pointer_resource);
|
|
if (seat_client == NULL) {
|
|
return;
|
|
}
|
|
|
|
struct wlr_surface *surface = NULL;
|
|
if (surface_resource != NULL) {
|
|
surface = wlr_surface_from_resource(surface_resource);
|
|
if (!wlr_surface_set_role(surface, &pointer_cursor_surface_role, NULL,
|
|
surface_resource, WL_POINTER_ERROR_ROLE)) {
|
|
return;
|
|
}
|
|
|
|
pointer_cursor_surface_handle_commit(surface);
|
|
}
|
|
|
|
struct wlr_seat_pointer_request_set_cursor_event event = {
|
|
.seat_client = seat_client,
|
|
.surface = surface,
|
|
.serial = serial,
|
|
.hotspot_x = hotspot_x,
|
|
.hotspot_y = hotspot_y,
|
|
};
|
|
wl_signal_emit_mutable(&seat_client->seat->events.request_set_cursor, &event);
|
|
}
|
|
|
|
static void pointer_release(struct wl_client *client,
|
|
struct wl_resource *resource) {
|
|
wl_resource_destroy(resource);
|
|
}
|
|
|
|
static const struct wl_pointer_interface pointer_impl = {
|
|
.set_cursor = pointer_set_cursor,
|
|
.release = pointer_release,
|
|
};
|
|
|
|
static void pointer_handle_resource_destroy(struct wl_resource *resource) {
|
|
seat_client_destroy_pointer(resource);
|
|
}
|
|
|
|
|
|
bool wlr_seat_pointer_surface_has_focus(struct wlr_seat *wlr_seat,
|
|
struct wlr_surface *surface) {
|
|
return surface == wlr_seat->pointer_state.focused_surface;
|
|
}
|
|
|
|
static void seat_pointer_handle_surface_destroy(struct wl_listener *listener,
|
|
void *data) {
|
|
struct wlr_seat_pointer_state *state =
|
|
wl_container_of(listener, state, surface_destroy);
|
|
wl_list_remove(&state->surface_destroy.link);
|
|
wl_list_init(&state->surface_destroy.link);
|
|
wlr_seat_pointer_clear_focus(state->seat);
|
|
}
|
|
|
|
void seat_client_send_pointer_leave_raw(struct wlr_seat_client *seat_client,
|
|
struct wlr_surface *surface) {
|
|
uint32_t serial = wlr_seat_client_next_serial(seat_client);
|
|
struct wl_resource *resource;
|
|
wl_resource_for_each(resource, &seat_client->pointers) {
|
|
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
|
|
continue;
|
|
}
|
|
|
|
wl_pointer_send_leave(resource, serial, surface->resource);
|
|
pointer_send_frame(resource);
|
|
}
|
|
}
|
|
|
|
void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat,
|
|
struct wlr_surface *surface, double sx, double sy) {
|
|
if (wlr_seat->pointer_state.focused_surface == surface) {
|
|
// this surface already got an enter notify
|
|
return;
|
|
}
|
|
|
|
struct wlr_seat_client *client = NULL;
|
|
if (surface) {
|
|
struct wl_client *wl_client = wl_resource_get_client(surface->resource);
|
|
client = wlr_seat_client_for_wl_client(wlr_seat, wl_client);
|
|
}
|
|
|
|
struct wlr_seat_client *focused_client =
|
|
wlr_seat->pointer_state.focused_client;
|
|
struct wlr_surface *focused_surface =
|
|
wlr_seat->pointer_state.focused_surface;
|
|
|
|
// leave the previously entered surface
|
|
if (focused_client != NULL && focused_surface != NULL) {
|
|
seat_client_send_pointer_leave_raw(focused_client, focused_surface);
|
|
}
|
|
|
|
// enter the current surface
|
|
if (client != NULL && surface != NULL) {
|
|
uint32_t serial = wlr_seat_client_next_serial(client);
|
|
struct wl_resource *resource;
|
|
wl_resource_for_each(resource, &client->pointers) {
|
|
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
|
|
continue;
|
|
}
|
|
|
|
wl_pointer_send_enter(resource, serial, surface->resource,
|
|
wl_fixed_from_double(sx), wl_fixed_from_double(sy));
|
|
pointer_send_frame(resource);
|
|
}
|
|
}
|
|
|
|
// reinitialize the focus destroy events
|
|
wl_list_remove(&wlr_seat->pointer_state.surface_destroy.link);
|
|
wl_list_init(&wlr_seat->pointer_state.surface_destroy.link);
|
|
if (surface != NULL) {
|
|
wl_signal_add(&surface->events.destroy,
|
|
&wlr_seat->pointer_state.surface_destroy);
|
|
wlr_seat->pointer_state.surface_destroy.notify =
|
|
seat_pointer_handle_surface_destroy;
|
|
}
|
|
|
|
wlr_seat->pointer_state.focused_client = client;
|
|
wlr_seat->pointer_state.focused_surface = surface;
|
|
if (surface != NULL) {
|
|
wlr_seat_pointer_warp(wlr_seat, sx, sy);
|
|
} else {
|
|
wlr_seat_pointer_warp(wlr_seat, NAN, NAN);
|
|
}
|
|
|
|
struct wlr_seat_pointer_focus_change_event event = {
|
|
.seat = wlr_seat,
|
|
.new_surface = surface,
|
|
.old_surface = focused_surface,
|
|
.sx = sx,
|
|
.sy = sy,
|
|
};
|
|
wl_signal_emit_mutable(&wlr_seat->pointer_state.events.focus_change, &event);
|
|
}
|
|
|
|
void wlr_seat_pointer_clear_focus(struct wlr_seat *wlr_seat) {
|
|
wlr_seat_pointer_enter(wlr_seat, NULL, 0, 0);
|
|
}
|
|
|
|
void wlr_seat_pointer_warp(struct wlr_seat *wlr_seat, double sx, double sy) {
|
|
wlr_seat->pointer_state.sx = sx;
|
|
wlr_seat->pointer_state.sy = sy;
|
|
}
|
|
|
|
void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time,
|
|
double sx, double sy) {
|
|
struct wlr_seat_client *client = wlr_seat->pointer_state.focused_client;
|
|
if (client == NULL) {
|
|
return;
|
|
}
|
|
|
|
// Ensure we don't send duplicate motion events. Instead of comparing with an
|
|
// epsilon, chop off some precision by converting to a `wl_fixed_t` first,
|
|
// since that is what a client receives.
|
|
wl_fixed_t sx_fixed = wl_fixed_from_double(sx);
|
|
wl_fixed_t sy_fixed = wl_fixed_from_double(sy);
|
|
if (wl_fixed_from_double(wlr_seat->pointer_state.sx) != sx_fixed ||
|
|
wl_fixed_from_double(wlr_seat->pointer_state.sy) != sy_fixed) {
|
|
struct wl_resource *resource;
|
|
wl_resource_for_each(resource, &client->pointers) {
|
|
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
|
|
continue;
|
|
}
|
|
|
|
wl_pointer_send_motion(resource, time, sx_fixed, sy_fixed);
|
|
}
|
|
}
|
|
|
|
wlr_seat_pointer_warp(wlr_seat, sx, sy);
|
|
}
|
|
|
|
uint32_t wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time,
|
|
uint32_t button, enum wlr_button_state state) {
|
|
struct wlr_seat_client *client = wlr_seat->pointer_state.focused_client;
|
|
if (client == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
uint32_t serial = wlr_seat_client_next_serial(client);
|
|
struct wl_resource *resource;
|
|
wl_resource_for_each(resource, &client->pointers) {
|
|
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
|
|
continue;
|
|
}
|
|
|
|
wl_pointer_send_button(resource, serial, time, button, state);
|
|
}
|
|
return serial;
|
|
}
|
|
|
|
static bool should_reset_value120_accumulators(int32_t current, int32_t last) {
|
|
if (last == 0) {
|
|
return true;
|
|
}
|
|
|
|
return (current < 0 && last > 0) || (current > 0 && last < 0);
|
|
}
|
|
|
|
static void update_value120_accumulators(struct wlr_seat_client *client,
|
|
enum wlr_axis_orientation orientation,
|
|
double value, int32_t value_discrete,
|
|
double *low_res_value, int32_t *low_res_value_discrete) {
|
|
if (value_discrete == 0) {
|
|
// Continuous scrolling has no effect on accumulators
|
|
return;
|
|
}
|
|
|
|
int32_t *acc_discrete = &client->value120.acc_discrete[orientation];
|
|
int32_t *last_discrete = &client->value120.last_discrete[orientation];
|
|
double *acc_axis = &client->value120.acc_axis[orientation];
|
|
|
|
if (should_reset_value120_accumulators(value_discrete, *last_discrete)) {
|
|
*acc_discrete = 0;
|
|
*acc_axis = 0;
|
|
}
|
|
*acc_discrete += value_discrete;
|
|
*last_discrete = value_discrete;
|
|
*acc_axis += value;
|
|
|
|
// Compute low resolution event values for older clients and reset
|
|
// the accumulators if needed
|
|
*low_res_value_discrete = *acc_discrete / WLR_POINTER_AXIS_DISCRETE_STEP;
|
|
if (*low_res_value_discrete == 0) {
|
|
*low_res_value = 0;
|
|
} else {
|
|
*acc_discrete -= *low_res_value_discrete * WLR_POINTER_AXIS_DISCRETE_STEP;
|
|
*low_res_value = *acc_axis;
|
|
*acc_axis = 0;
|
|
}
|
|
}
|
|
|
|
void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
|
|
enum wlr_axis_orientation orientation, double value,
|
|
int32_t value_discrete, enum wlr_axis_source source) {
|
|
struct wlr_seat_client *client = wlr_seat->pointer_state.focused_client;
|
|
if (client == NULL) {
|
|
return;
|
|
}
|
|
|
|
bool send_source = false;
|
|
if (wlr_seat->pointer_state.sent_axis_source) {
|
|
assert(wlr_seat->pointer_state.cached_axis_source == source);
|
|
} else {
|
|
wlr_seat->pointer_state.sent_axis_source = true;
|
|
wlr_seat->pointer_state.cached_axis_source = source;
|
|
send_source = true;
|
|
}
|
|
|
|
double low_res_value = 0.0;
|
|
int32_t low_res_value_discrete = 0;
|
|
update_value120_accumulators(client, orientation, value, value_discrete,
|
|
&low_res_value, &low_res_value_discrete);
|
|
|
|
struct wl_resource *resource;
|
|
wl_resource_for_each(resource, &client->pointers) {
|
|
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
|
|
continue;
|
|
}
|
|
|
|
uint32_t version = wl_resource_get_version(resource);
|
|
|
|
if (version < WL_POINTER_AXIS_VALUE120_SINCE_VERSION &&
|
|
value_discrete != 0 && low_res_value_discrete == 0) {
|
|
// The client doesn't support high resolution discrete scrolling
|
|
// and we haven't accumulated enough wheel clicks for a single
|
|
// low resolution event. Don't send anything.
|
|
continue;
|
|
}
|
|
|
|
if (send_source && version >= WL_POINTER_AXIS_SOURCE_SINCE_VERSION) {
|
|
wl_pointer_send_axis_source(resource, source);
|
|
}
|
|
if (value) {
|
|
if (value_discrete) {
|
|
if (version >= WL_POINTER_AXIS_VALUE120_SINCE_VERSION) {
|
|
// High resolution discrete scrolling
|
|
wl_pointer_send_axis_value120(resource, orientation,
|
|
value_discrete);
|
|
wl_pointer_send_axis(resource, time, orientation,
|
|
wl_fixed_from_double(value));
|
|
} else {
|
|
// Low resolution discrete scrolling
|
|
if (version >= WL_POINTER_AXIS_DISCRETE_SINCE_VERSION) {
|
|
wl_pointer_send_axis_discrete(resource, orientation,
|
|
low_res_value_discrete);
|
|
}
|
|
wl_pointer_send_axis(resource, time, orientation,
|
|
wl_fixed_from_double(low_res_value));
|
|
}
|
|
} else {
|
|
// Continuous scrolling
|
|
wl_pointer_send_axis(resource, time, orientation,
|
|
wl_fixed_from_double(value));
|
|
}
|
|
} else if (version >= WL_POINTER_AXIS_STOP_SINCE_VERSION) {
|
|
wl_pointer_send_axis_stop(resource, time, orientation);
|
|
}
|
|
}
|
|
}
|
|
|
|
void wlr_seat_pointer_send_frame(struct wlr_seat *wlr_seat) {
|
|
struct wlr_seat_client *client = wlr_seat->pointer_state.focused_client;
|
|
if (client == NULL) {
|
|
return;
|
|
}
|
|
|
|
wlr_seat->pointer_state.sent_axis_source = false;
|
|
|
|
struct wl_resource *resource;
|
|
wl_resource_for_each(resource, &client->pointers) {
|
|
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
|
|
continue;
|
|
}
|
|
|
|
pointer_send_frame(resource);
|
|
}
|
|
}
|
|
|
|
void wlr_seat_pointer_start_grab(struct wlr_seat *wlr_seat,
|
|
struct wlr_seat_pointer_grab *grab) {
|
|
assert(wlr_seat);
|
|
grab->seat = wlr_seat;
|
|
wlr_seat->pointer_state.grab = grab;
|
|
|
|
wl_signal_emit_mutable(&wlr_seat->events.pointer_grab_begin, grab);
|
|
}
|
|
|
|
void wlr_seat_pointer_end_grab(struct wlr_seat *wlr_seat) {
|
|
struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
|
|
if (grab != wlr_seat->pointer_state.default_grab) {
|
|
wlr_seat->pointer_state.grab = wlr_seat->pointer_state.default_grab;
|
|
wl_signal_emit_mutable(&wlr_seat->events.pointer_grab_end, grab);
|
|
if (grab->interface->cancel) {
|
|
grab->interface->cancel(grab);
|
|
}
|
|
}
|
|
}
|
|
|
|
void wlr_seat_pointer_notify_enter(struct wlr_seat *wlr_seat,
|
|
struct wlr_surface *surface, double sx, double sy) {
|
|
// NULL surfaces are prohibited in the grab-compatible API. Use
|
|
// wlr_seat_pointer_notify_clear_focus() instead.
|
|
assert(surface);
|
|
struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
|
|
grab->interface->enter(grab, surface, sx, sy);
|
|
}
|
|
|
|
void wlr_seat_pointer_notify_clear_focus(struct wlr_seat *wlr_seat) {
|
|
struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
|
|
grab->interface->clear_focus(grab);
|
|
}
|
|
|
|
void wlr_seat_pointer_notify_motion(struct wlr_seat *wlr_seat, uint32_t time,
|
|
double sx, double sy) {
|
|
clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
|
|
struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
|
|
grab->interface->motion(grab, time, sx, sy);
|
|
}
|
|
|
|
uint32_t wlr_seat_pointer_notify_button(struct wlr_seat *wlr_seat,
|
|
uint32_t time, uint32_t button, enum wlr_button_state state) {
|
|
clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
|
|
|
|
struct wlr_seat_pointer_state* pointer_state = &wlr_seat->pointer_state;
|
|
|
|
if (state == WLR_BUTTON_PRESSED) {
|
|
if (pointer_state->button_count == 0) {
|
|
pointer_state->grab_button = button;
|
|
pointer_state->grab_time = time;
|
|
}
|
|
set_add(pointer_state->buttons, &pointer_state->button_count,
|
|
WLR_POINTER_BUTTONS_CAP, button);
|
|
} else {
|
|
set_remove(pointer_state->buttons, &pointer_state->button_count,
|
|
WLR_POINTER_BUTTONS_CAP, button);
|
|
}
|
|
|
|
|
|
struct wlr_seat_pointer_grab *grab = pointer_state->grab;
|
|
uint32_t serial = grab->interface->button(grab, time, button, state);
|
|
|
|
if (serial && pointer_state->button_count == 1 &&
|
|
state == WLR_BUTTON_PRESSED) {
|
|
pointer_state->grab_serial = serial;
|
|
}
|
|
|
|
return serial;
|
|
}
|
|
|
|
void wlr_seat_pointer_notify_axis(struct wlr_seat *wlr_seat, uint32_t time,
|
|
enum wlr_axis_orientation orientation, double value,
|
|
int32_t value_discrete, enum wlr_axis_source source) {
|
|
clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
|
|
struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
|
|
grab->interface->axis(grab, time, orientation, value, value_discrete,
|
|
source);
|
|
}
|
|
|
|
void wlr_seat_pointer_notify_frame(struct wlr_seat *wlr_seat) {
|
|
clock_gettime(CLOCK_MONOTONIC, &wlr_seat->last_event);
|
|
struct wlr_seat_pointer_grab *grab = wlr_seat->pointer_state.grab;
|
|
if (grab->interface->frame) {
|
|
grab->interface->frame(grab);
|
|
}
|
|
}
|
|
|
|
bool wlr_seat_pointer_has_grab(struct wlr_seat *seat) {
|
|
return seat->pointer_state.grab->interface != &default_pointer_grab_impl;
|
|
}
|
|
|
|
void seat_client_create_pointer(struct wlr_seat_client *seat_client,
|
|
uint32_t version, uint32_t id) {
|
|
struct wl_resource *resource = wl_resource_create(seat_client->client,
|
|
&wl_pointer_interface, version, id);
|
|
if (resource == NULL) {
|
|
wl_client_post_no_memory(seat_client->client);
|
|
return;
|
|
}
|
|
wl_resource_set_implementation(resource, &pointer_impl, seat_client,
|
|
&pointer_handle_resource_destroy);
|
|
wl_list_insert(&seat_client->pointers, wl_resource_get_link(resource));
|
|
|
|
if ((seat_client->seat->capabilities & WL_SEAT_CAPABILITY_POINTER) == 0) {
|
|
wl_resource_set_user_data(resource, NULL);
|
|
return;
|
|
}
|
|
|
|
struct wlr_seat_client *focused_client =
|
|
seat_client->seat->pointer_state.focused_client;
|
|
struct wlr_surface *focused_surface =
|
|
seat_client->seat->pointer_state.focused_surface;
|
|
|
|
// Send an enter event if there is a focused client/surface stored
|
|
if (focused_client == seat_client && focused_surface != NULL) {
|
|
double sx = seat_client->seat->pointer_state.sx;
|
|
double sy = seat_client->seat->pointer_state.sy;
|
|
|
|
uint32_t serial = wlr_seat_client_next_serial(focused_client);
|
|
struct wl_resource *resource;
|
|
wl_resource_for_each(resource, &focused_client->pointers) {
|
|
if (wl_resource_get_id(resource) == id) {
|
|
if (wlr_seat_client_from_pointer_resource(resource) == NULL) {
|
|
continue;
|
|
}
|
|
|
|
wl_pointer_send_enter(resource, serial, focused_surface->resource,
|
|
wl_fixed_from_double(sx), wl_fixed_from_double(sy));
|
|
pointer_send_frame(resource);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void seat_client_create_inert_pointer(struct wl_client *client,
|
|
uint32_t version, uint32_t id) {
|
|
struct wl_resource *resource =
|
|
wl_resource_create(client, &wl_pointer_interface, version, id);
|
|
if (!resource) {
|
|
wl_client_post_no_memory(client);
|
|
return;
|
|
}
|
|
wl_resource_set_implementation(resource, &pointer_impl, NULL, NULL);
|
|
}
|
|
|
|
void seat_client_destroy_pointer(struct wl_resource *resource) {
|
|
wl_list_remove(wl_resource_get_link(resource));
|
|
wl_list_init(wl_resource_get_link(resource));
|
|
wl_resource_set_user_data(resource, NULL);
|
|
}
|
|
|
|
bool wlr_seat_validate_pointer_grab_serial(struct wlr_seat *seat,
|
|
struct wlr_surface *origin, uint32_t serial) {
|
|
if (seat->pointer_state.button_count != 1 ||
|
|
seat->pointer_state.grab_serial != serial) {
|
|
wlr_log(WLR_DEBUG, "Pointer grab serial validation failed: "
|
|
"button_count=%zu grab_serial=%"PRIu32" (got %"PRIu32")",
|
|
seat->pointer_state.button_count,
|
|
seat->pointer_state.grab_serial, serial);
|
|
return false;
|
|
}
|
|
|
|
if (origin != NULL && seat->pointer_state.focused_surface != origin) {
|
|
wlr_log(WLR_DEBUG, "Pointer grab serial validation failed: "
|
|
"invalid origin surface");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|