mirror of
https://gitlab.freedesktop.org/wayland/weston
synced 2024-09-06 18:05:39 +00:00
![Quentin Glidic](/assets/img/avatar_default.png)
Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net> Reviewed-by: Jonas Ådahl <jadahl@gmail.com> Acked-by: Giulio Camuffo <giulio.camuffo@kdab.com> Differential Revision: https://phabricator.freedesktop.org/D1246
4559 lines
123 KiB
C
4559 lines
123 KiB
C
/*
|
||
* Copyright © 2013 Intel Corporation
|
||
*
|
||
* Permission is hereby granted, free of charge, to any person obtaining
|
||
* a copy of this software and associated documentation files (the
|
||
* "Software"), to deal in the Software without restriction, including
|
||
* without limitation the rights to use, copy, modify, merge, publish,
|
||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||
* permit persons to whom the Software is furnished to do so, subject to
|
||
* the following conditions:
|
||
*
|
||
* The above copyright notice and this permission notice (including the
|
||
* next paragraph) shall be included in all copies or substantial
|
||
* portions of the Software.
|
||
*
|
||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
* SOFTWARE.
|
||
*/
|
||
|
||
#include "config.h"
|
||
|
||
#include <stdbool.h>
|
||
#include <stdlib.h>
|
||
#include <stdint.h>
|
||
#include <string.h>
|
||
#include <sys/mman.h>
|
||
#include <assert.h>
|
||
#include <unistd.h>
|
||
#include <values.h>
|
||
#include <fcntl.h>
|
||
#include <limits.h>
|
||
|
||
#include "shared/helpers.h"
|
||
#include "shared/os-compatibility.h"
|
||
#include "compositor.h"
|
||
#include "protocol/relative-pointer-unstable-v1-server-protocol.h"
|
||
#include "protocol/pointer-constraints-unstable-v1-server-protocol.h"
|
||
|
||
enum pointer_constraint_type {
|
||
POINTER_CONSTRAINT_TYPE_LOCK,
|
||
POINTER_CONSTRAINT_TYPE_CONFINE,
|
||
};
|
||
|
||
enum motion_direction {
|
||
MOTION_DIRECTION_POSITIVE_X = 1 << 0,
|
||
MOTION_DIRECTION_NEGATIVE_X = 1 << 1,
|
||
MOTION_DIRECTION_POSITIVE_Y = 1 << 2,
|
||
MOTION_DIRECTION_NEGATIVE_Y = 1 << 3,
|
||
};
|
||
|
||
struct vec2d {
|
||
double x, y;
|
||
};
|
||
|
||
struct line {
|
||
struct vec2d a;
|
||
struct vec2d b;
|
||
};
|
||
|
||
struct border {
|
||
struct line line;
|
||
enum motion_direction blocking_dir;
|
||
};
|
||
|
||
static void
|
||
maybe_warp_confined_pointer(struct weston_pointer_constraint *constraint);
|
||
|
||
static void
|
||
empty_region(pixman_region32_t *region)
|
||
{
|
||
pixman_region32_fini(region);
|
||
pixman_region32_init(region);
|
||
}
|
||
|
||
static void
|
||
region_init_infinite(pixman_region32_t *region)
|
||
{
|
||
pixman_region32_init_rect(region, INT32_MIN, INT32_MIN,
|
||
UINT32_MAX, UINT32_MAX);
|
||
}
|
||
|
||
static struct weston_pointer_client *
|
||
weston_pointer_client_create(struct wl_client *client)
|
||
{
|
||
struct weston_pointer_client *pointer_client;
|
||
|
||
pointer_client = zalloc(sizeof *pointer_client);
|
||
if (!pointer_client)
|
||
return NULL;
|
||
|
||
pointer_client->client = client;
|
||
wl_list_init(&pointer_client->pointer_resources);
|
||
wl_list_init(&pointer_client->relative_pointer_resources);
|
||
|
||
return pointer_client;
|
||
}
|
||
|
||
static void
|
||
weston_pointer_client_destroy(struct weston_pointer_client *pointer_client)
|
||
{
|
||
free(pointer_client);
|
||
}
|
||
|
||
static bool
|
||
weston_pointer_client_is_empty(struct weston_pointer_client *pointer_client)
|
||
{
|
||
return (wl_list_empty(&pointer_client->pointer_resources) &&
|
||
wl_list_empty(&pointer_client->relative_pointer_resources));
|
||
}
|
||
|
||
static struct weston_pointer_client *
|
||
weston_pointer_get_pointer_client(struct weston_pointer *pointer,
|
||
struct wl_client *client)
|
||
{
|
||
struct weston_pointer_client *pointer_client;
|
||
|
||
wl_list_for_each(pointer_client, &pointer->pointer_clients, link) {
|
||
if (pointer_client->client == client)
|
||
return pointer_client;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static struct weston_pointer_client *
|
||
weston_pointer_ensure_pointer_client(struct weston_pointer *pointer,
|
||
struct wl_client *client)
|
||
{
|
||
struct weston_pointer_client *pointer_client;
|
||
|
||
pointer_client = weston_pointer_get_pointer_client(pointer, client);
|
||
if (pointer_client)
|
||
return pointer_client;
|
||
|
||
pointer_client = weston_pointer_client_create(client);
|
||
wl_list_insert(&pointer->pointer_clients, &pointer_client->link);
|
||
|
||
if (pointer->focus &&
|
||
pointer->focus->surface->resource &&
|
||
wl_resource_get_client(pointer->focus->surface->resource) == client) {
|
||
pointer->focus_client = pointer_client;
|
||
}
|
||
|
||
return pointer_client;
|
||
}
|
||
|
||
static void
|
||
weston_pointer_cleanup_pointer_client(struct weston_pointer *pointer,
|
||
struct weston_pointer_client *pointer_client)
|
||
{
|
||
if (weston_pointer_client_is_empty(pointer_client)) {
|
||
if (pointer->focus_client == pointer_client)
|
||
pointer->focus_client = NULL;
|
||
wl_list_remove(&pointer_client->link);
|
||
weston_pointer_client_destroy(pointer_client);
|
||
}
|
||
}
|
||
|
||
static void
|
||
unbind_pointer_client_resource(struct wl_resource *resource)
|
||
{
|
||
struct weston_pointer *pointer = wl_resource_get_user_data(resource);
|
||
struct wl_client *client = wl_resource_get_client(resource);
|
||
struct weston_pointer_client *pointer_client;
|
||
|
||
pointer_client = weston_pointer_get_pointer_client(pointer, client);
|
||
assert(pointer_client);
|
||
|
||
wl_list_remove(wl_resource_get_link(resource));
|
||
weston_pointer_cleanup_pointer_client(pointer, pointer_client);
|
||
}
|
||
|
||
static void unbind_resource(struct wl_resource *resource)
|
||
{
|
||
wl_list_remove(wl_resource_get_link(resource));
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_pointer_motion_to_abs(struct weston_pointer *pointer,
|
||
struct weston_pointer_motion_event *event,
|
||
wl_fixed_t *x, wl_fixed_t *y)
|
||
{
|
||
if (event->mask & WESTON_POINTER_MOTION_ABS) {
|
||
*x = wl_fixed_from_double(event->x);
|
||
*y = wl_fixed_from_double(event->y);
|
||
} else if (event->mask & WESTON_POINTER_MOTION_REL) {
|
||
*x = pointer->x + wl_fixed_from_double(event->dx);
|
||
*y = pointer->y + wl_fixed_from_double(event->dy);
|
||
} else {
|
||
assert(!"invalid motion event");
|
||
*x = *y = 0;
|
||
}
|
||
}
|
||
|
||
static bool
|
||
weston_pointer_motion_to_rel(struct weston_pointer *pointer,
|
||
struct weston_pointer_motion_event *event,
|
||
double *dx, double *dy,
|
||
double *dx_unaccel, double *dy_unaccel)
|
||
{
|
||
if (event->mask & WESTON_POINTER_MOTION_REL &&
|
||
event->mask & WESTON_POINTER_MOTION_REL_UNACCEL) {
|
||
*dx = event->dx;
|
||
*dy = event->dy;
|
||
*dx_unaccel = event->dx_unaccel;
|
||
*dy_unaccel = event->dy_unaccel;
|
||
return true;
|
||
} else if (event->mask & WESTON_POINTER_MOTION_REL) {
|
||
*dx_unaccel = *dx = event->dx;
|
||
*dy_unaccel = *dy = event->dy;
|
||
return true;
|
||
} else if (event->mask & WESTON_POINTER_MOTION_REL_UNACCEL) {
|
||
*dx_unaccel = *dx = event->dx_unaccel;
|
||
*dy_unaccel = *dy = event->dy_unaccel;
|
||
return true;
|
||
} else {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_seat_repick(struct weston_seat *seat)
|
||
{
|
||
const struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
|
||
if (!pointer)
|
||
return;
|
||
|
||
pointer->grab->interface->focus(pointer->grab);
|
||
}
|
||
|
||
static void
|
||
weston_compositor_idle_inhibit(struct weston_compositor *compositor)
|
||
{
|
||
weston_compositor_wake(compositor);
|
||
compositor->idle_inhibit++;
|
||
}
|
||
|
||
static void
|
||
weston_compositor_idle_release(struct weston_compositor *compositor)
|
||
{
|
||
compositor->idle_inhibit--;
|
||
weston_compositor_wake(compositor);
|
||
}
|
||
|
||
static void
|
||
pointer_focus_view_destroyed(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_pointer *pointer =
|
||
container_of(listener, struct weston_pointer,
|
||
focus_view_listener);
|
||
|
||
weston_pointer_clear_focus(pointer);
|
||
}
|
||
|
||
static void
|
||
pointer_focus_resource_destroyed(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_pointer *pointer =
|
||
container_of(listener, struct weston_pointer,
|
||
focus_resource_listener);
|
||
|
||
weston_pointer_clear_focus(pointer);
|
||
}
|
||
|
||
static void
|
||
keyboard_focus_resource_destroyed(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_keyboard *keyboard =
|
||
container_of(listener, struct weston_keyboard,
|
||
focus_resource_listener);
|
||
|
||
weston_keyboard_set_focus(keyboard, NULL);
|
||
}
|
||
|
||
static void
|
||
touch_focus_view_destroyed(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_touch *touch =
|
||
container_of(listener, struct weston_touch,
|
||
focus_view_listener);
|
||
|
||
weston_touch_set_focus(touch, NULL);
|
||
}
|
||
|
||
static void
|
||
touch_focus_resource_destroyed(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_touch *touch =
|
||
container_of(listener, struct weston_touch,
|
||
focus_resource_listener);
|
||
|
||
weston_touch_set_focus(touch, NULL);
|
||
}
|
||
|
||
static void
|
||
move_resources(struct wl_list *destination, struct wl_list *source)
|
||
{
|
||
wl_list_insert_list(destination, source);
|
||
wl_list_init(source);
|
||
}
|
||
|
||
static void
|
||
move_resources_for_client(struct wl_list *destination,
|
||
struct wl_list *source,
|
||
struct wl_client *client)
|
||
{
|
||
struct wl_resource *resource, *tmp;
|
||
wl_resource_for_each_safe(resource, tmp, source) {
|
||
if (wl_resource_get_client(resource) == client) {
|
||
wl_list_remove(wl_resource_get_link(resource));
|
||
wl_list_insert(destination,
|
||
wl_resource_get_link(resource));
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
default_grab_pointer_focus(struct weston_pointer_grab *grab)
|
||
{
|
||
struct weston_pointer *pointer = grab->pointer;
|
||
struct weston_view *view;
|
||
wl_fixed_t sx, sy;
|
||
|
||
if (pointer->button_count > 0)
|
||
return;
|
||
|
||
view = weston_compositor_pick_view(pointer->seat->compositor,
|
||
pointer->x, pointer->y,
|
||
&sx, &sy);
|
||
|
||
if (pointer->focus != view || pointer->sx != sx || pointer->sy != sy)
|
||
weston_pointer_set_focus(pointer, view, sx, sy);
|
||
}
|
||
|
||
static void
|
||
pointer_send_relative_motion(struct weston_pointer *pointer,
|
||
uint32_t time,
|
||
struct weston_pointer_motion_event *event)
|
||
{
|
||
uint64_t time_usec;
|
||
double dx, dy, dx_unaccel, dy_unaccel;
|
||
wl_fixed_t dxf, dyf, dxf_unaccel, dyf_unaccel;
|
||
struct wl_list *resource_list;
|
||
struct wl_resource *resource;
|
||
|
||
if (!pointer->focus_client)
|
||
return;
|
||
|
||
if (!weston_pointer_motion_to_rel(pointer, event,
|
||
&dx, &dy,
|
||
&dx_unaccel, &dy_unaccel))
|
||
return;
|
||
|
||
resource_list = &pointer->focus_client->relative_pointer_resources;
|
||
time_usec = event->time_usec;
|
||
if (time_usec == 0)
|
||
time_usec = time * 1000ULL;
|
||
|
||
dxf = wl_fixed_from_double(dx);
|
||
dyf = wl_fixed_from_double(dy);
|
||
dxf_unaccel = wl_fixed_from_double(dx_unaccel);
|
||
dyf_unaccel = wl_fixed_from_double(dy_unaccel);
|
||
|
||
wl_resource_for_each(resource, resource_list) {
|
||
zwp_relative_pointer_v1_send_relative_motion(
|
||
resource,
|
||
(uint32_t) (time_usec >> 32),
|
||
(uint32_t) time_usec,
|
||
dxf, dyf,
|
||
dxf_unaccel, dyf_unaccel);
|
||
}
|
||
}
|
||
|
||
static void
|
||
pointer_send_motion(struct weston_pointer *pointer, uint32_t time,
|
||
wl_fixed_t sx, wl_fixed_t sy)
|
||
{
|
||
struct wl_list *resource_list;
|
||
struct wl_resource *resource;
|
||
|
||
if (!pointer->focus_client)
|
||
return;
|
||
|
||
resource_list = &pointer->focus_client->pointer_resources;
|
||
wl_resource_for_each(resource, resource_list)
|
||
wl_pointer_send_motion(resource, time, sx, sy);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_pointer_send_motion(struct weston_pointer *pointer, uint32_t time,
|
||
struct weston_pointer_motion_event *event)
|
||
{
|
||
wl_fixed_t x, y;
|
||
wl_fixed_t old_sx = pointer->sx;
|
||
wl_fixed_t old_sy = pointer->sy;
|
||
|
||
if (pointer->focus) {
|
||
weston_pointer_motion_to_abs(pointer, event, &x, &y);
|
||
weston_view_from_global_fixed(pointer->focus, x, y,
|
||
&pointer->sx, &pointer->sy);
|
||
}
|
||
|
||
weston_pointer_move(pointer, event);
|
||
|
||
if (old_sx != pointer->sx || old_sy != pointer->sy) {
|
||
pointer_send_motion(pointer, time,
|
||
pointer->sx, pointer->sy);
|
||
}
|
||
|
||
pointer_send_relative_motion(pointer, time, event);
|
||
}
|
||
|
||
static void
|
||
default_grab_pointer_motion(struct weston_pointer_grab *grab, uint32_t time,
|
||
struct weston_pointer_motion_event *event)
|
||
{
|
||
weston_pointer_send_motion(grab->pointer, time, event);
|
||
}
|
||
|
||
/** Check if the pointer has focused resources.
|
||
*
|
||
* \param pointer The pointer to check for focused resources.
|
||
* \return Whether or not this pointer has focused resources
|
||
*/
|
||
WL_EXPORT bool
|
||
weston_pointer_has_focus_resource(struct weston_pointer *pointer)
|
||
{
|
||
if (!pointer->focus_client)
|
||
return false;
|
||
|
||
if (wl_list_empty(&pointer->focus_client->pointer_resources))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/** Send wl_pointer.button events to focused resources.
|
||
*
|
||
* \param pointer The pointer where the button events originates from.
|
||
* \param time The timestamp of the event
|
||
* \param button The button value of the event
|
||
* \param value The state enum value of the event
|
||
*
|
||
* For every resource that is currently in focus, send a wl_pointer.button event
|
||
* with the passed parameters. The focused resources are the wl_pointer
|
||
* resources of the client which currently has the surface with pointer focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_pointer_send_button(struct weston_pointer *pointer,
|
||
uint32_t time, uint32_t button,
|
||
enum wl_pointer_button_state state)
|
||
{
|
||
struct wl_display *display = pointer->seat->compositor->wl_display;
|
||
struct wl_list *resource_list;
|
||
struct wl_resource *resource;
|
||
uint32_t serial;
|
||
|
||
if (!weston_pointer_has_focus_resource(pointer))
|
||
return;
|
||
|
||
resource_list = &pointer->focus_client->pointer_resources;
|
||
serial = wl_display_next_serial(display);
|
||
wl_resource_for_each(resource, resource_list)
|
||
wl_pointer_send_button(resource, serial, time, button, state);
|
||
}
|
||
|
||
static void
|
||
default_grab_pointer_button(struct weston_pointer_grab *grab,
|
||
uint32_t time, uint32_t button,
|
||
enum wl_pointer_button_state state)
|
||
{
|
||
struct weston_pointer *pointer = grab->pointer;
|
||
struct weston_compositor *compositor = pointer->seat->compositor;
|
||
struct weston_view *view;
|
||
wl_fixed_t sx, sy;
|
||
|
||
weston_pointer_send_button(pointer, time, button, state);
|
||
|
||
if (pointer->button_count == 0 &&
|
||
state == WL_POINTER_BUTTON_STATE_RELEASED) {
|
||
view = weston_compositor_pick_view(compositor,
|
||
pointer->x, pointer->y,
|
||
&sx, &sy);
|
||
|
||
weston_pointer_set_focus(pointer, view, sx, sy);
|
||
}
|
||
}
|
||
|
||
/** Send wl_pointer.axis events to focused resources.
|
||
*
|
||
* \param pointer The pointer where the axis events originates from.
|
||
* \param time The timestamp of the event
|
||
* \param axis The axis enum value of the event
|
||
* \param value The axis value of the event
|
||
*
|
||
* For every resource that is currently in focus, send a wl_pointer.axis event
|
||
* with the passed parameters. The focused resources are the wl_pointer
|
||
* resources of the client which currently has the surface with pointer focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_pointer_send_axis(struct weston_pointer *pointer,
|
||
uint32_t time,
|
||
struct weston_pointer_axis_event *event)
|
||
{
|
||
struct wl_resource *resource;
|
||
struct wl_list *resource_list;
|
||
|
||
if (!weston_pointer_has_focus_resource(pointer))
|
||
return;
|
||
|
||
resource_list = &pointer->focus_client->pointer_resources;
|
||
wl_resource_for_each(resource, resource_list) {
|
||
if (event->has_discrete &&
|
||
wl_resource_get_version(resource) >=
|
||
WL_POINTER_AXIS_DISCRETE_SINCE_VERSION)
|
||
wl_pointer_send_axis_discrete(resource, event->axis,
|
||
event->discrete);
|
||
|
||
if (event->value)
|
||
wl_pointer_send_axis(resource, time,
|
||
event->axis,
|
||
wl_fixed_from_double(event->value));
|
||
else if (wl_resource_get_version(resource) >=
|
||
WL_POINTER_AXIS_STOP_SINCE_VERSION)
|
||
wl_pointer_send_axis_stop(resource, time,
|
||
event->axis);
|
||
}
|
||
}
|
||
|
||
/** Send wl_pointer.axis_source events to focused resources.
|
||
*
|
||
* \param pointer The pointer where the axis_source events originates from.
|
||
* \param source The axis_source enum value of the event
|
||
*
|
||
* For every resource that is currently in focus, send a wl_pointer.axis_source
|
||
* event with the passed parameter. The focused resources are the wl_pointer
|
||
* resources of the client which currently has the surface with pointer focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_pointer_send_axis_source(struct weston_pointer *pointer,
|
||
enum wl_pointer_axis_source source)
|
||
{
|
||
struct wl_resource *resource;
|
||
struct wl_list *resource_list;
|
||
|
||
if (!weston_pointer_has_focus_resource(pointer))
|
||
return;
|
||
|
||
resource_list = &pointer->focus_client->pointer_resources;
|
||
wl_resource_for_each(resource, resource_list) {
|
||
if (wl_resource_get_version(resource) >=
|
||
WL_POINTER_AXIS_SOURCE_SINCE_VERSION) {
|
||
wl_pointer_send_axis_source(resource, source);
|
||
}
|
||
}
|
||
}
|
||
|
||
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);
|
||
}
|
||
}
|
||
|
||
/** Send wl_pointer.frame events to focused resources.
|
||
*
|
||
* \param pointer The pointer where the frame events originates from.
|
||
*
|
||
* For every resource that is currently in focus, send a wl_pointer.frame event.
|
||
* The focused resources are the wl_pointer resources of the client which
|
||
* currently has the surface with pointer focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_pointer_send_frame(struct weston_pointer *pointer)
|
||
{
|
||
struct wl_resource *resource;
|
||
struct wl_list *resource_list;
|
||
|
||
if (!weston_pointer_has_focus_resource(pointer))
|
||
return;
|
||
|
||
resource_list = &pointer->focus_client->pointer_resources;
|
||
wl_resource_for_each(resource, resource_list)
|
||
pointer_send_frame(resource);
|
||
}
|
||
|
||
static void
|
||
default_grab_pointer_axis(struct weston_pointer_grab *grab,
|
||
uint32_t time,
|
||
struct weston_pointer_axis_event *event)
|
||
{
|
||
weston_pointer_send_axis(grab->pointer, time, event);
|
||
}
|
||
|
||
static void
|
||
default_grab_pointer_axis_source(struct weston_pointer_grab *grab,
|
||
enum wl_pointer_axis_source source)
|
||
{
|
||
weston_pointer_send_axis_source(grab->pointer, source);
|
||
}
|
||
|
||
static void
|
||
default_grab_pointer_frame(struct weston_pointer_grab *grab)
|
||
{
|
||
weston_pointer_send_frame(grab->pointer);
|
||
}
|
||
|
||
static void
|
||
default_grab_pointer_cancel(struct weston_pointer_grab *grab)
|
||
{
|
||
}
|
||
|
||
static const struct weston_pointer_grab_interface
|
||
default_pointer_grab_interface = {
|
||
default_grab_pointer_focus,
|
||
default_grab_pointer_motion,
|
||
default_grab_pointer_button,
|
||
default_grab_pointer_axis,
|
||
default_grab_pointer_axis_source,
|
||
default_grab_pointer_frame,
|
||
default_grab_pointer_cancel,
|
||
};
|
||
|
||
/** Check if the touch has focused resources.
|
||
*
|
||
* \param touch The touch to check for focused resources.
|
||
* \return Whether or not this touch has focused resources
|
||
*/
|
||
WL_EXPORT bool
|
||
weston_touch_has_focus_resource(struct weston_touch *touch)
|
||
{
|
||
if (!touch->focus)
|
||
return false;
|
||
|
||
if (wl_list_empty(&touch->focus_resource_list))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/** Send wl_touch.down events to focused resources.
|
||
*
|
||
* \param touch The touch where the down events originates from.
|
||
* \param time The timestamp of the event
|
||
* \param touch_id The touch_id value of the event
|
||
* \param x The x value of the event
|
||
* \param y The y value of the event
|
||
*
|
||
* For every resource that is currently in focus, send a wl_touch.down event
|
||
* with the passed parameters. The focused resources are the wl_touch
|
||
* resources of the client which currently has the surface with touch focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_touch_send_down(struct weston_touch *touch, uint32_t time,
|
||
int touch_id, wl_fixed_t x, wl_fixed_t y)
|
||
{
|
||
struct wl_display *display = touch->seat->compositor->wl_display;
|
||
uint32_t serial;
|
||
struct wl_resource *resource;
|
||
struct wl_list *resource_list;
|
||
wl_fixed_t sx, sy;
|
||
|
||
if (!weston_touch_has_focus_resource(touch))
|
||
return;
|
||
|
||
weston_view_from_global_fixed(touch->focus, x, y, &sx, &sy);
|
||
|
||
resource_list = &touch->focus_resource_list;
|
||
serial = wl_display_next_serial(display);
|
||
wl_resource_for_each(resource, resource_list)
|
||
wl_touch_send_down(resource, serial, time,
|
||
touch->focus->surface->resource,
|
||
touch_id, sx, sy);
|
||
}
|
||
|
||
static void
|
||
default_grab_touch_down(struct weston_touch_grab *grab, uint32_t time,
|
||
int touch_id, wl_fixed_t x, wl_fixed_t y)
|
||
{
|
||
weston_touch_send_down(grab->touch, time, touch_id, x, y);
|
||
}
|
||
|
||
/** Send wl_touch.up events to focused resources.
|
||
*
|
||
* \param touch The touch where the up events originates from.
|
||
* \param time The timestamp of the event
|
||
* \param touch_id The touch_id value of the event
|
||
*
|
||
* For every resource that is currently in focus, send a wl_touch.up event
|
||
* with the passed parameters. The focused resources are the wl_touch
|
||
* resources of the client which currently has the surface with touch focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_touch_send_up(struct weston_touch *touch, uint32_t time, int touch_id)
|
||
{
|
||
struct wl_display *display = touch->seat->compositor->wl_display;
|
||
uint32_t serial;
|
||
struct wl_resource *resource;
|
||
struct wl_list *resource_list;
|
||
|
||
if (!weston_touch_has_focus_resource(touch))
|
||
return;
|
||
|
||
resource_list = &touch->focus_resource_list;
|
||
serial = wl_display_next_serial(display);
|
||
wl_resource_for_each(resource, resource_list)
|
||
wl_touch_send_up(resource, serial, time, touch_id);
|
||
}
|
||
|
||
static void
|
||
default_grab_touch_up(struct weston_touch_grab *grab,
|
||
uint32_t time, int touch_id)
|
||
{
|
||
weston_touch_send_up(grab->touch, time, touch_id);
|
||
}
|
||
|
||
/** Send wl_touch.motion events to focused resources.
|
||
*
|
||
* \param touch The touch where the motion events originates from.
|
||
* \param time The timestamp of the event
|
||
* \param touch_id The touch_id value of the event
|
||
* \param x The x value of the event
|
||
* \param y The y value of the event
|
||
*
|
||
* For every resource that is currently in focus, send a wl_touch.motion event
|
||
* with the passed parameters. The focused resources are the wl_touch
|
||
* resources of the client which currently has the surface with touch focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_touch_send_motion(struct weston_touch *touch, uint32_t time,
|
||
int touch_id, wl_fixed_t x, wl_fixed_t y)
|
||
{
|
||
struct wl_resource *resource;
|
||
struct wl_list *resource_list;
|
||
wl_fixed_t sx, sy;
|
||
|
||
if (!weston_touch_has_focus_resource(touch))
|
||
return;
|
||
|
||
weston_view_from_global_fixed(touch->focus, x, y, &sx, &sy);
|
||
|
||
resource_list = &touch->focus_resource_list;
|
||
wl_resource_for_each(resource, resource_list) {
|
||
wl_touch_send_motion(resource, time,
|
||
touch_id, sx, sy);
|
||
}
|
||
}
|
||
|
||
static void
|
||
default_grab_touch_motion(struct weston_touch_grab *grab, uint32_t time,
|
||
int touch_id, wl_fixed_t x, wl_fixed_t y)
|
||
{
|
||
weston_touch_send_motion(grab->touch, time, touch_id, x, y);
|
||
}
|
||
|
||
|
||
/** Send wl_touch.frame events to focused resources.
|
||
*
|
||
* \param touch The touch where the frame events originates from.
|
||
*
|
||
* For every resource that is currently in focus, send a wl_touch.frame event.
|
||
* The focused resources are the wl_touch resources of the client which
|
||
* currently has the surface with touch focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_touch_send_frame(struct weston_touch *touch)
|
||
{
|
||
struct wl_resource *resource;
|
||
|
||
if (!weston_touch_has_focus_resource(touch))
|
||
return;
|
||
|
||
wl_resource_for_each(resource, &touch->focus_resource_list)
|
||
wl_touch_send_frame(resource);
|
||
}
|
||
|
||
static void
|
||
default_grab_touch_frame(struct weston_touch_grab *grab)
|
||
{
|
||
weston_touch_send_frame(grab->touch);
|
||
}
|
||
|
||
static void
|
||
default_grab_touch_cancel(struct weston_touch_grab *grab)
|
||
{
|
||
}
|
||
|
||
static const struct weston_touch_grab_interface default_touch_grab_interface = {
|
||
default_grab_touch_down,
|
||
default_grab_touch_up,
|
||
default_grab_touch_motion,
|
||
default_grab_touch_frame,
|
||
default_grab_touch_cancel,
|
||
};
|
||
|
||
/** Check if the keyboard has focused resources.
|
||
*
|
||
* \param keyboard The keyboard to check for focused resources.
|
||
* \return Whether or not this keyboard has focused resources
|
||
*/
|
||
WL_EXPORT bool
|
||
weston_keyboard_has_focus_resource(struct weston_keyboard *keyboard)
|
||
{
|
||
if (!keyboard->focus)
|
||
return false;
|
||
|
||
if (wl_list_empty(&keyboard->focus_resource_list))
|
||
return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
/** Send wl_keyboard.key events to focused resources.
|
||
*
|
||
* \param keyboard The keyboard where the key events originates from.
|
||
* \param time The timestamp of the event
|
||
* \param key The key value of the event
|
||
* \param state The state enum value of the event
|
||
*
|
||
* For every resource that is currently in focus, send a wl_keyboard.key event
|
||
* with the passed parameters. The focused resources are the wl_keyboard
|
||
* resources of the client which currently has the surface with keyboard focus.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_keyboard_send_key(struct weston_keyboard *keyboard,
|
||
uint32_t time, uint32_t key,
|
||
enum wl_keyboard_key_state state)
|
||
{
|
||
struct wl_resource *resource;
|
||
struct wl_display *display = keyboard->seat->compositor->wl_display;
|
||
uint32_t serial;
|
||
struct wl_list *resource_list;
|
||
|
||
if (!weston_keyboard_has_focus_resource(keyboard))
|
||
return;
|
||
|
||
resource_list = &keyboard->focus_resource_list;
|
||
serial = wl_display_next_serial(display);
|
||
wl_resource_for_each(resource, resource_list)
|
||
wl_keyboard_send_key(resource, serial, time, key, state);
|
||
};
|
||
|
||
static void
|
||
default_grab_keyboard_key(struct weston_keyboard_grab *grab,
|
||
uint32_t time, uint32_t key, uint32_t state)
|
||
{
|
||
weston_keyboard_send_key(grab->keyboard, time, key, state);
|
||
}
|
||
|
||
static void
|
||
send_modifiers_to_resource(struct weston_keyboard *keyboard,
|
||
struct wl_resource *resource,
|
||
uint32_t serial)
|
||
{
|
||
wl_keyboard_send_modifiers(resource,
|
||
serial,
|
||
keyboard->modifiers.mods_depressed,
|
||
keyboard->modifiers.mods_latched,
|
||
keyboard->modifiers.mods_locked,
|
||
keyboard->modifiers.group);
|
||
}
|
||
|
||
static void
|
||
send_modifiers_to_client_in_list(struct wl_client *client,
|
||
struct wl_list *list,
|
||
uint32_t serial,
|
||
struct weston_keyboard *keyboard)
|
||
{
|
||
struct wl_resource *resource;
|
||
|
||
wl_resource_for_each(resource, list) {
|
||
if (wl_resource_get_client(resource) == client)
|
||
send_modifiers_to_resource(keyboard,
|
||
resource,
|
||
serial);
|
||
}
|
||
}
|
||
|
||
static struct weston_pointer_client *
|
||
find_pointer_client_for_surface(struct weston_pointer *pointer,
|
||
struct weston_surface *surface)
|
||
{
|
||
struct wl_client *client;
|
||
|
||
if (!surface)
|
||
return NULL;
|
||
|
||
if (!surface->resource)
|
||
return NULL;
|
||
|
||
client = wl_resource_get_client(surface->resource);
|
||
return weston_pointer_get_pointer_client(pointer, client);
|
||
}
|
||
|
||
static struct weston_pointer_client *
|
||
find_pointer_client_for_view(struct weston_pointer *pointer, struct weston_view *view)
|
||
{
|
||
if (!view)
|
||
return NULL;
|
||
|
||
return find_pointer_client_for_surface(pointer, view->surface);
|
||
}
|
||
|
||
static struct wl_resource *
|
||
find_resource_for_surface(struct wl_list *list, struct weston_surface *surface)
|
||
{
|
||
if (!surface)
|
||
return NULL;
|
||
|
||
if (!surface->resource)
|
||
return NULL;
|
||
|
||
return wl_resource_find_for_client(list, wl_resource_get_client(surface->resource));
|
||
}
|
||
|
||
/** Send wl_keyboard.modifiers events to focused resources and pointer
|
||
* focused resources.
|
||
*
|
||
* \param keyboard The keyboard where the modifiers events originates from.
|
||
* \param serial The serial of the event
|
||
* \param mods_depressed The mods_depressed value of the event
|
||
* \param mods_latched The mods_latched value of the event
|
||
* \param mods_locked The mods_locked value of the event
|
||
* \param group The group value of the event
|
||
*
|
||
* For every resource that is currently in focus, send a wl_keyboard.modifiers
|
||
* event with the passed parameters. The focused resources are the wl_keyboard
|
||
* resources of the client which currently has the surface with keyboard focus.
|
||
* This also sends wl_keyboard.modifiers events to the wl_keyboard resources of
|
||
* the client having pointer focus (if different from the keyboard focus client).
|
||
*/
|
||
WL_EXPORT void
|
||
weston_keyboard_send_modifiers(struct weston_keyboard *keyboard,
|
||
uint32_t serial, uint32_t mods_depressed,
|
||
uint32_t mods_latched,
|
||
uint32_t mods_locked, uint32_t group)
|
||
{
|
||
struct weston_pointer *pointer =
|
||
weston_seat_get_pointer(keyboard->seat);
|
||
|
||
if (weston_keyboard_has_focus_resource(keyboard)) {
|
||
struct wl_list *resource_list;
|
||
struct wl_resource *resource;
|
||
|
||
resource_list = &keyboard->focus_resource_list;
|
||
wl_resource_for_each(resource, resource_list) {
|
||
wl_keyboard_send_modifiers(resource, serial,
|
||
mods_depressed, mods_latched,
|
||
mods_locked, group);
|
||
}
|
||
}
|
||
|
||
if (pointer && pointer->focus && pointer->focus->surface->resource &&
|
||
pointer->focus->surface != keyboard->focus) {
|
||
struct wl_client *pointer_client =
|
||
wl_resource_get_client(pointer->focus->surface->resource);
|
||
|
||
send_modifiers_to_client_in_list(pointer_client,
|
||
&keyboard->resource_list,
|
||
serial,
|
||
keyboard);
|
||
}
|
||
}
|
||
|
||
static void
|
||
default_grab_keyboard_modifiers(struct weston_keyboard_grab *grab,
|
||
uint32_t serial, uint32_t mods_depressed,
|
||
uint32_t mods_latched,
|
||
uint32_t mods_locked, uint32_t group)
|
||
{
|
||
weston_keyboard_send_modifiers(grab->keyboard, serial, mods_depressed,
|
||
mods_latched, mods_locked, group);
|
||
}
|
||
|
||
static void
|
||
default_grab_keyboard_cancel(struct weston_keyboard_grab *grab)
|
||
{
|
||
}
|
||
|
||
static const struct weston_keyboard_grab_interface
|
||
default_keyboard_grab_interface = {
|
||
default_grab_keyboard_key,
|
||
default_grab_keyboard_modifiers,
|
||
default_grab_keyboard_cancel,
|
||
};
|
||
|
||
static void
|
||
pointer_unmap_sprite(struct weston_pointer *pointer)
|
||
{
|
||
struct weston_surface *surface = pointer->sprite->surface;
|
||
|
||
if (weston_surface_is_mapped(surface))
|
||
weston_surface_unmap(surface);
|
||
|
||
wl_list_remove(&pointer->sprite_destroy_listener.link);
|
||
surface->committed = NULL;
|
||
surface->committed_private = NULL;
|
||
weston_surface_set_label_func(surface, NULL);
|
||
weston_view_destroy(pointer->sprite);
|
||
pointer->sprite = NULL;
|
||
}
|
||
|
||
static void
|
||
pointer_handle_sprite_destroy(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_pointer *pointer =
|
||
container_of(listener, struct weston_pointer,
|
||
sprite_destroy_listener);
|
||
|
||
pointer->sprite = NULL;
|
||
}
|
||
|
||
static void
|
||
weston_pointer_reset_state(struct weston_pointer *pointer)
|
||
{
|
||
pointer->button_count = 0;
|
||
}
|
||
|
||
static void
|
||
weston_pointer_handle_output_destroy(struct wl_listener *listener, void *data);
|
||
|
||
WL_EXPORT struct weston_pointer *
|
||
weston_pointer_create(struct weston_seat *seat)
|
||
{
|
||
struct weston_pointer *pointer;
|
||
|
||
pointer = zalloc(sizeof *pointer);
|
||
if (pointer == NULL)
|
||
return NULL;
|
||
|
||
wl_list_init(&pointer->pointer_clients);
|
||
weston_pointer_set_default_grab(pointer,
|
||
seat->compositor->default_pointer_grab);
|
||
wl_list_init(&pointer->focus_resource_listener.link);
|
||
pointer->focus_resource_listener.notify = pointer_focus_resource_destroyed;
|
||
pointer->default_grab.pointer = pointer;
|
||
pointer->grab = &pointer->default_grab;
|
||
wl_signal_init(&pointer->motion_signal);
|
||
wl_signal_init(&pointer->focus_signal);
|
||
wl_list_init(&pointer->focus_view_listener.link);
|
||
wl_signal_init(&pointer->destroy_signal);
|
||
|
||
pointer->sprite_destroy_listener.notify = pointer_handle_sprite_destroy;
|
||
|
||
/* FIXME: Pick better co-ords. */
|
||
pointer->x = wl_fixed_from_int(100);
|
||
pointer->y = wl_fixed_from_int(100);
|
||
|
||
pointer->output_destroy_listener.notify =
|
||
weston_pointer_handle_output_destroy;
|
||
wl_signal_add(&seat->compositor->output_destroyed_signal,
|
||
&pointer->output_destroy_listener);
|
||
|
||
pointer->sx = wl_fixed_from_int(-1000000);
|
||
pointer->sy = wl_fixed_from_int(-1000000);
|
||
|
||
return pointer;
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_pointer_destroy(struct weston_pointer *pointer)
|
||
{
|
||
wl_signal_emit(&pointer->destroy_signal, pointer);
|
||
|
||
if (pointer->sprite)
|
||
pointer_unmap_sprite(pointer);
|
||
|
||
/* XXX: What about pointer->resource_list? */
|
||
|
||
wl_list_remove(&pointer->focus_resource_listener.link);
|
||
wl_list_remove(&pointer->focus_view_listener.link);
|
||
wl_list_remove(&pointer->output_destroy_listener.link);
|
||
free(pointer);
|
||
}
|
||
|
||
void
|
||
weston_pointer_set_default_grab(struct weston_pointer *pointer,
|
||
const struct weston_pointer_grab_interface *interface)
|
||
{
|
||
if (interface)
|
||
pointer->default_grab.interface = interface;
|
||
else
|
||
pointer->default_grab.interface =
|
||
&default_pointer_grab_interface;
|
||
}
|
||
|
||
WL_EXPORT struct weston_keyboard *
|
||
weston_keyboard_create(void)
|
||
{
|
||
struct weston_keyboard *keyboard;
|
||
|
||
keyboard = zalloc(sizeof *keyboard);
|
||
if (keyboard == NULL)
|
||
return NULL;
|
||
|
||
wl_list_init(&keyboard->resource_list);
|
||
wl_list_init(&keyboard->focus_resource_list);
|
||
wl_list_init(&keyboard->focus_resource_listener.link);
|
||
keyboard->focus_resource_listener.notify = keyboard_focus_resource_destroyed;
|
||
wl_array_init(&keyboard->keys);
|
||
keyboard->default_grab.interface = &default_keyboard_grab_interface;
|
||
keyboard->default_grab.keyboard = keyboard;
|
||
keyboard->grab = &keyboard->default_grab;
|
||
wl_signal_init(&keyboard->focus_signal);
|
||
|
||
return keyboard;
|
||
}
|
||
|
||
static void
|
||
weston_xkb_info_destroy(struct weston_xkb_info *xkb_info);
|
||
|
||
WL_EXPORT void
|
||
weston_keyboard_destroy(struct weston_keyboard *keyboard)
|
||
{
|
||
/* XXX: What about keyboard->resource_list? */
|
||
|
||
#ifdef ENABLE_XKBCOMMON
|
||
if (keyboard->seat->compositor->use_xkbcommon) {
|
||
xkb_state_unref(keyboard->xkb_state.state);
|
||
if (keyboard->xkb_info)
|
||
weston_xkb_info_destroy(keyboard->xkb_info);
|
||
xkb_keymap_unref(keyboard->pending_keymap);
|
||
}
|
||
#endif
|
||
|
||
wl_array_release(&keyboard->keys);
|
||
wl_list_remove(&keyboard->focus_resource_listener.link);
|
||
free(keyboard);
|
||
}
|
||
|
||
static void
|
||
weston_touch_reset_state(struct weston_touch *touch)
|
||
{
|
||
touch->num_tp = 0;
|
||
}
|
||
|
||
WL_EXPORT struct weston_touch *
|
||
weston_touch_create(void)
|
||
{
|
||
struct weston_touch *touch;
|
||
|
||
touch = zalloc(sizeof *touch);
|
||
if (touch == NULL)
|
||
return NULL;
|
||
|
||
wl_list_init(&touch->resource_list);
|
||
wl_list_init(&touch->focus_resource_list);
|
||
wl_list_init(&touch->focus_view_listener.link);
|
||
touch->focus_view_listener.notify = touch_focus_view_destroyed;
|
||
wl_list_init(&touch->focus_resource_listener.link);
|
||
touch->focus_resource_listener.notify = touch_focus_resource_destroyed;
|
||
touch->default_grab.interface = &default_touch_grab_interface;
|
||
touch->default_grab.touch = touch;
|
||
touch->grab = &touch->default_grab;
|
||
wl_signal_init(&touch->focus_signal);
|
||
|
||
return touch;
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_touch_destroy(struct weston_touch *touch)
|
||
{
|
||
/* XXX: What about touch->resource_list? */
|
||
|
||
wl_list_remove(&touch->focus_view_listener.link);
|
||
wl_list_remove(&touch->focus_resource_listener.link);
|
||
free(touch);
|
||
}
|
||
|
||
static void
|
||
seat_send_updated_caps(struct weston_seat *seat)
|
||
{
|
||
enum wl_seat_capability caps = 0;
|
||
struct wl_resource *resource;
|
||
|
||
if (seat->pointer_device_count > 0)
|
||
caps |= WL_SEAT_CAPABILITY_POINTER;
|
||
if (seat->keyboard_device_count > 0)
|
||
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
|
||
if (seat->touch_device_count > 0)
|
||
caps |= WL_SEAT_CAPABILITY_TOUCH;
|
||
|
||
wl_resource_for_each(resource, &seat->base_resource_list) {
|
||
wl_seat_send_capabilities(resource, caps);
|
||
}
|
||
wl_signal_emit(&seat->updated_caps_signal, seat);
|
||
}
|
||
|
||
|
||
/** Clear the pointer focus
|
||
*
|
||
* \param pointer the pointer to clear focus for.
|
||
*
|
||
* This can be used to unset pointer focus and set the co-ordinates to the
|
||
* arbitrary values we use for the no focus case.
|
||
*
|
||
* There's no requirement to use this function. For example, passing the
|
||
* results of a weston_compositor_pick_view() directly to
|
||
* weston_pointer_set_focus() will do the right thing when no view is found.
|
||
*/
|
||
WL_EXPORT void
|
||
weston_pointer_clear_focus(struct weston_pointer *pointer)
|
||
{
|
||
weston_pointer_set_focus(pointer, NULL,
|
||
wl_fixed_from_int(-1000000),
|
||
wl_fixed_from_int(-1000000));
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_pointer_set_focus(struct weston_pointer *pointer,
|
||
struct weston_view *view,
|
||
wl_fixed_t sx, wl_fixed_t sy)
|
||
{
|
||
struct weston_pointer_client *pointer_client;
|
||
struct weston_keyboard *kbd = weston_seat_get_keyboard(pointer->seat);
|
||
struct wl_resource *resource;
|
||
struct wl_resource *surface_resource;
|
||
struct wl_display *display = pointer->seat->compositor->wl_display;
|
||
uint32_t serial;
|
||
struct wl_list *focus_resource_list;
|
||
int refocus = 0;
|
||
|
||
if ((!pointer->focus && view) ||
|
||
(pointer->focus && !view) ||
|
||
(pointer->focus && pointer->focus->surface != view->surface) ||
|
||
pointer->sx != sx || pointer->sy != sy)
|
||
refocus = 1;
|
||
|
||
if (pointer->focus_client && refocus) {
|
||
focus_resource_list = &pointer->focus_client->pointer_resources;
|
||
if (!wl_list_empty(focus_resource_list)) {
|
||
serial = wl_display_next_serial(display);
|
||
surface_resource = pointer->focus->surface->resource;
|
||
wl_resource_for_each(resource, focus_resource_list) {
|
||
wl_pointer_send_leave(resource, serial,
|
||
surface_resource);
|
||
pointer_send_frame(resource);
|
||
}
|
||
}
|
||
|
||
pointer->focus_client = NULL;
|
||
}
|
||
|
||
pointer_client = find_pointer_client_for_view(pointer, view);
|
||
if (pointer_client && refocus) {
|
||
struct wl_client *surface_client = pointer_client->client;
|
||
|
||
serial = wl_display_next_serial(display);
|
||
|
||
if (kbd && kbd->focus != view->surface)
|
||
send_modifiers_to_client_in_list(surface_client,
|
||
&kbd->resource_list,
|
||
serial,
|
||
kbd);
|
||
|
||
pointer->focus_client = pointer_client;
|
||
|
||
focus_resource_list = &pointer->focus_client->pointer_resources;
|
||
wl_resource_for_each(resource, focus_resource_list) {
|
||
wl_pointer_send_enter(resource,
|
||
serial,
|
||
view->surface->resource,
|
||
sx, sy);
|
||
pointer_send_frame(resource);
|
||
}
|
||
|
||
pointer->focus_serial = serial;
|
||
}
|
||
|
||
wl_list_remove(&pointer->focus_view_listener.link);
|
||
wl_list_init(&pointer->focus_view_listener.link);
|
||
wl_list_remove(&pointer->focus_resource_listener.link);
|
||
wl_list_init(&pointer->focus_resource_listener.link);
|
||
if (view)
|
||
wl_signal_add(&view->destroy_signal, &pointer->focus_view_listener);
|
||
if (view && view->surface->resource)
|
||
wl_resource_add_destroy_listener(view->surface->resource,
|
||
&pointer->focus_resource_listener);
|
||
|
||
pointer->focus = view;
|
||
pointer->focus_view_listener.notify = pointer_focus_view_destroyed;
|
||
pointer->sx = sx;
|
||
pointer->sy = sy;
|
||
|
||
assert(view || sx == wl_fixed_from_int(-1000000));
|
||
assert(view || sy == wl_fixed_from_int(-1000000));
|
||
|
||
wl_signal_emit(&pointer->focus_signal, pointer);
|
||
}
|
||
|
||
static void
|
||
send_enter_to_resource_list(struct wl_list *list,
|
||
struct weston_keyboard *keyboard,
|
||
struct weston_surface *surface,
|
||
uint32_t serial)
|
||
{
|
||
struct wl_resource *resource;
|
||
|
||
wl_resource_for_each(resource, list) {
|
||
send_modifiers_to_resource(keyboard, resource, serial);
|
||
wl_keyboard_send_enter(resource, serial,
|
||
surface->resource,
|
||
&keyboard->keys);
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_keyboard_set_focus(struct weston_keyboard *keyboard,
|
||
struct weston_surface *surface)
|
||
{
|
||
struct wl_resource *resource;
|
||
struct wl_display *display = keyboard->seat->compositor->wl_display;
|
||
uint32_t serial;
|
||
struct wl_list *focus_resource_list;
|
||
|
||
focus_resource_list = &keyboard->focus_resource_list;
|
||
|
||
if (!wl_list_empty(focus_resource_list) && keyboard->focus != surface) {
|
||
serial = wl_display_next_serial(display);
|
||
wl_resource_for_each(resource, focus_resource_list) {
|
||
wl_keyboard_send_leave(resource, serial,
|
||
keyboard->focus->resource);
|
||
}
|
||
move_resources(&keyboard->resource_list, focus_resource_list);
|
||
}
|
||
|
||
if (find_resource_for_surface(&keyboard->resource_list, surface) &&
|
||
keyboard->focus != surface) {
|
||
struct wl_client *surface_client =
|
||
wl_resource_get_client(surface->resource);
|
||
|
||
serial = wl_display_next_serial(display);
|
||
|
||
move_resources_for_client(focus_resource_list,
|
||
&keyboard->resource_list,
|
||
surface_client);
|
||
send_enter_to_resource_list(focus_resource_list,
|
||
keyboard,
|
||
surface,
|
||
serial);
|
||
keyboard->focus_serial = serial;
|
||
}
|
||
|
||
wl_list_remove(&keyboard->focus_resource_listener.link);
|
||
wl_list_init(&keyboard->focus_resource_listener.link);
|
||
if (surface && surface->resource)
|
||
wl_resource_add_destroy_listener(surface->resource,
|
||
&keyboard->focus_resource_listener);
|
||
|
||
keyboard->focus = surface;
|
||
wl_signal_emit(&keyboard->focus_signal, keyboard);
|
||
}
|
||
|
||
/* Users of this function must manually manage the keyboard focus */
|
||
WL_EXPORT void
|
||
weston_keyboard_start_grab(struct weston_keyboard *keyboard,
|
||
struct weston_keyboard_grab *grab)
|
||
{
|
||
keyboard->grab = grab;
|
||
grab->keyboard = keyboard;
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_keyboard_end_grab(struct weston_keyboard *keyboard)
|
||
{
|
||
keyboard->grab = &keyboard->default_grab;
|
||
}
|
||
|
||
static void
|
||
weston_keyboard_cancel_grab(struct weston_keyboard *keyboard)
|
||
{
|
||
keyboard->grab->interface->cancel(keyboard->grab);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_pointer_start_grab(struct weston_pointer *pointer,
|
||
struct weston_pointer_grab *grab)
|
||
{
|
||
pointer->grab = grab;
|
||
grab->pointer = pointer;
|
||
pointer->grab->interface->focus(pointer->grab);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_pointer_end_grab(struct weston_pointer *pointer)
|
||
{
|
||
pointer->grab = &pointer->default_grab;
|
||
pointer->grab->interface->focus(pointer->grab);
|
||
}
|
||
|
||
static void
|
||
weston_pointer_cancel_grab(struct weston_pointer *pointer)
|
||
{
|
||
pointer->grab->interface->cancel(pointer->grab);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_touch_start_grab(struct weston_touch *touch, struct weston_touch_grab *grab)
|
||
{
|
||
touch->grab = grab;
|
||
grab->touch = touch;
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_touch_end_grab(struct weston_touch *touch)
|
||
{
|
||
touch->grab = &touch->default_grab;
|
||
}
|
||
|
||
static void
|
||
weston_touch_cancel_grab(struct weston_touch *touch)
|
||
{
|
||
touch->grab->interface->cancel(touch->grab);
|
||
}
|
||
|
||
static void
|
||
weston_pointer_clamp_for_output(struct weston_pointer *pointer,
|
||
struct weston_output *output,
|
||
wl_fixed_t *fx, wl_fixed_t *fy)
|
||
{
|
||
int x, y;
|
||
|
||
x = wl_fixed_to_int(*fx);
|
||
y = wl_fixed_to_int(*fy);
|
||
|
||
if (x < output->x)
|
||
*fx = wl_fixed_from_int(output->x);
|
||
else if (x >= output->x + output->width)
|
||
*fx = wl_fixed_from_int(output->x +
|
||
output->width - 1);
|
||
if (y < output->y)
|
||
*fy = wl_fixed_from_int(output->y);
|
||
else if (y >= output->y + output->height)
|
||
*fy = wl_fixed_from_int(output->y +
|
||
output->height - 1);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_pointer_clamp(struct weston_pointer *pointer, wl_fixed_t *fx, wl_fixed_t *fy)
|
||
{
|
||
struct weston_compositor *ec = pointer->seat->compositor;
|
||
struct weston_output *output, *prev = NULL;
|
||
int x, y, old_x, old_y, valid = 0;
|
||
|
||
x = wl_fixed_to_int(*fx);
|
||
y = wl_fixed_to_int(*fy);
|
||
old_x = wl_fixed_to_int(pointer->x);
|
||
old_y = wl_fixed_to_int(pointer->y);
|
||
|
||
wl_list_for_each(output, &ec->output_list, link) {
|
||
if (pointer->seat->output && pointer->seat->output != output)
|
||
continue;
|
||
if (pixman_region32_contains_point(&output->region,
|
||
x, y, NULL))
|
||
valid = 1;
|
||
if (pixman_region32_contains_point(&output->region,
|
||
old_x, old_y, NULL))
|
||
prev = output;
|
||
}
|
||
|
||
if (!prev)
|
||
prev = pointer->seat->output;
|
||
|
||
if (prev && !valid)
|
||
weston_pointer_clamp_for_output(pointer, prev, fx, fy);
|
||
}
|
||
|
||
static void
|
||
weston_pointer_move_to(struct weston_pointer *pointer,
|
||
wl_fixed_t x, wl_fixed_t y)
|
||
{
|
||
int32_t ix, iy;
|
||
|
||
weston_pointer_clamp (pointer, &x, &y);
|
||
|
||
pointer->x = x;
|
||
pointer->y = y;
|
||
|
||
ix = wl_fixed_to_int(x);
|
||
iy = wl_fixed_to_int(y);
|
||
|
||
if (pointer->sprite) {
|
||
weston_view_set_position(pointer->sprite,
|
||
ix - pointer->hotspot_x,
|
||
iy - pointer->hotspot_y);
|
||
weston_view_schedule_repaint(pointer->sprite);
|
||
}
|
||
|
||
pointer->grab->interface->focus(pointer->grab);
|
||
wl_signal_emit(&pointer->motion_signal, pointer);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_pointer_move(struct weston_pointer *pointer,
|
||
struct weston_pointer_motion_event *event)
|
||
{
|
||
wl_fixed_t x, y;
|
||
|
||
weston_pointer_motion_to_abs(pointer, event, &x, &y);
|
||
weston_pointer_move_to(pointer, x, y);
|
||
}
|
||
|
||
/** Verify if the pointer is in a valid position and move it if it isn't.
|
||
*/
|
||
static void
|
||
weston_pointer_handle_output_destroy(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_pointer *pointer;
|
||
struct weston_compositor *ec;
|
||
struct weston_output *output, *closest = NULL;
|
||
int x, y, distance, min = INT_MAX;
|
||
wl_fixed_t fx, fy;
|
||
|
||
pointer = container_of(listener, struct weston_pointer,
|
||
output_destroy_listener);
|
||
ec = pointer->seat->compositor;
|
||
|
||
x = wl_fixed_to_int(pointer->x);
|
||
y = wl_fixed_to_int(pointer->y);
|
||
|
||
wl_list_for_each(output, &ec->output_list, link) {
|
||
if (pixman_region32_contains_point(&output->region,
|
||
x, y, NULL))
|
||
return;
|
||
|
||
/* Aproximante the distance from the pointer to the center of
|
||
* the output. */
|
||
distance = abs(output->x + output->width / 2 - x) +
|
||
abs(output->y + output->height / 2 - y);
|
||
if (distance < min) {
|
||
min = distance;
|
||
closest = output;
|
||
}
|
||
}
|
||
|
||
/* Nothing to do if there's no output left. */
|
||
if (!closest)
|
||
return;
|
||
|
||
fx = pointer->x;
|
||
fy = pointer->y;
|
||
|
||
weston_pointer_clamp_for_output(pointer, closest, &fx, &fy);
|
||
weston_pointer_move_to(pointer, fx, fy);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_motion(struct weston_seat *seat,
|
||
uint32_t time,
|
||
struct weston_pointer_motion_event *event)
|
||
{
|
||
struct weston_compositor *ec = seat->compositor;
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
|
||
weston_compositor_wake(ec);
|
||
pointer->grab->interface->motion(pointer->grab, time, event);
|
||
}
|
||
|
||
static void
|
||
run_modifier_bindings(struct weston_seat *seat, uint32_t old, uint32_t new)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
uint32_t diff;
|
||
unsigned int i;
|
||
struct {
|
||
uint32_t xkb;
|
||
enum weston_keyboard_modifier weston;
|
||
} mods[] = {
|
||
{ keyboard->xkb_info->ctrl_mod, MODIFIER_CTRL },
|
||
{ keyboard->xkb_info->alt_mod, MODIFIER_ALT },
|
||
{ keyboard->xkb_info->super_mod, MODIFIER_SUPER },
|
||
{ keyboard->xkb_info->shift_mod, MODIFIER_SHIFT },
|
||
};
|
||
|
||
diff = new & ~old;
|
||
for (i = 0; i < ARRAY_LENGTH(mods); i++) {
|
||
if (diff & (1 << mods[i].xkb))
|
||
weston_compositor_run_modifier_binding(compositor,
|
||
keyboard,
|
||
mods[i].weston,
|
||
WL_KEYBOARD_KEY_STATE_PRESSED);
|
||
}
|
||
|
||
diff = old & ~new;
|
||
for (i = 0; i < ARRAY_LENGTH(mods); i++) {
|
||
if (diff & (1 << mods[i].xkb))
|
||
weston_compositor_run_modifier_binding(compositor,
|
||
keyboard,
|
||
mods[i].weston,
|
||
WL_KEYBOARD_KEY_STATE_RELEASED);
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_motion_absolute(struct weston_seat *seat,
|
||
uint32_t time, double x, double y)
|
||
{
|
||
struct weston_compositor *ec = seat->compositor;
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
struct weston_pointer_motion_event event = { 0 };
|
||
|
||
weston_compositor_wake(ec);
|
||
|
||
event = (struct weston_pointer_motion_event) {
|
||
.mask = WESTON_POINTER_MOTION_ABS,
|
||
.x = x,
|
||
.y = y,
|
||
};
|
||
|
||
pointer->grab->interface->motion(pointer->grab, time, &event);
|
||
}
|
||
|
||
static unsigned int
|
||
peek_next_activate_serial(struct weston_compositor *c)
|
||
{
|
||
unsigned serial = c->activate_serial + 1;
|
||
|
||
return serial == 0 ? 1 : serial;
|
||
}
|
||
|
||
static void
|
||
inc_activate_serial(struct weston_compositor *c)
|
||
{
|
||
c->activate_serial = peek_next_activate_serial (c);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_view_activate(struct weston_view *view,
|
||
struct weston_seat *seat,
|
||
uint32_t flags)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
|
||
if (flags & WESTON_ACTIVATE_FLAG_CLICKED) {
|
||
view->click_to_activate_serial =
|
||
peek_next_activate_serial(compositor);
|
||
}
|
||
|
||
weston_seat_set_keyboard_focus(seat, view->surface);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_button(struct weston_seat *seat, uint32_t time, int32_t button,
|
||
enum wl_pointer_button_state state)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
|
||
if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
|
||
weston_compositor_idle_inhibit(compositor);
|
||
if (pointer->button_count == 0) {
|
||
pointer->grab_button = button;
|
||
pointer->grab_time = time;
|
||
pointer->grab_x = pointer->x;
|
||
pointer->grab_y = pointer->y;
|
||
}
|
||
pointer->button_count++;
|
||
} else {
|
||
weston_compositor_idle_release(compositor);
|
||
pointer->button_count--;
|
||
}
|
||
|
||
weston_compositor_run_button_binding(compositor, pointer, time, button,
|
||
state);
|
||
|
||
pointer->grab->interface->button(pointer->grab, time, button, state);
|
||
|
||
if (pointer->button_count == 1)
|
||
pointer->grab_serial =
|
||
wl_display_get_serial(compositor->wl_display);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_axis(struct weston_seat *seat, uint32_t time,
|
||
struct weston_pointer_axis_event *event)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
|
||
weston_compositor_wake(compositor);
|
||
|
||
if (weston_compositor_run_axis_binding(compositor, pointer,
|
||
time, event))
|
||
return;
|
||
|
||
pointer->grab->interface->axis(pointer->grab, time, event);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_axis_source(struct weston_seat *seat, uint32_t source)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
|
||
weston_compositor_wake(compositor);
|
||
|
||
pointer->grab->interface->axis_source(pointer->grab, source);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_pointer_frame(struct weston_seat *seat)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
|
||
weston_compositor_wake(compositor);
|
||
|
||
pointer->grab->interface->frame(pointer->grab);
|
||
}
|
||
|
||
WL_EXPORT int
|
||
weston_keyboard_set_locks(struct weston_keyboard *keyboard,
|
||
uint32_t mask, uint32_t value)
|
||
{
|
||
#ifdef ENABLE_XKBCOMMON
|
||
uint32_t serial;
|
||
xkb_mod_mask_t mods_depressed, mods_latched, mods_locked, group;
|
||
xkb_mod_mask_t num, caps;
|
||
|
||
/* We don't want the leds to go out of sync with the actual state
|
||
* so if the backend has no way to change the leds don't try to
|
||
* change the state */
|
||
if (!keyboard->seat->led_update)
|
||
return -1;
|
||
|
||
mods_depressed = xkb_state_serialize_mods(keyboard->xkb_state.state,
|
||
XKB_STATE_DEPRESSED);
|
||
mods_latched = xkb_state_serialize_mods(keyboard->xkb_state.state,
|
||
XKB_STATE_LATCHED);
|
||
mods_locked = xkb_state_serialize_mods(keyboard->xkb_state.state,
|
||
XKB_STATE_LOCKED);
|
||
group = xkb_state_serialize_group(keyboard->xkb_state.state,
|
||
XKB_STATE_EFFECTIVE);
|
||
|
||
num = (1 << keyboard->xkb_info->mod2_mod);
|
||
caps = (1 << keyboard->xkb_info->caps_mod);
|
||
if (mask & WESTON_NUM_LOCK) {
|
||
if (value & WESTON_NUM_LOCK)
|
||
mods_locked |= num;
|
||
else
|
||
mods_locked &= ~num;
|
||
}
|
||
if (mask & WESTON_CAPS_LOCK) {
|
||
if (value & WESTON_CAPS_LOCK)
|
||
mods_locked |= caps;
|
||
else
|
||
mods_locked &= ~caps;
|
||
}
|
||
|
||
xkb_state_update_mask(keyboard->xkb_state.state, mods_depressed,
|
||
mods_latched, mods_locked, 0, 0, group);
|
||
|
||
serial = wl_display_next_serial(
|
||
keyboard->seat->compositor->wl_display);
|
||
notify_modifiers(keyboard->seat, serial);
|
||
|
||
return 0;
|
||
#else
|
||
return -1;
|
||
#endif
|
||
}
|
||
|
||
#ifdef ENABLE_XKBCOMMON
|
||
WL_EXPORT void
|
||
notify_modifiers(struct weston_seat *seat, uint32_t serial)
|
||
{
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
struct weston_keyboard_grab *grab = keyboard->grab;
|
||
uint32_t mods_depressed, mods_latched, mods_locked, group;
|
||
uint32_t mods_lookup;
|
||
enum weston_led leds = 0;
|
||
int changed = 0;
|
||
|
||
/* Serialize and update our internal state, checking to see if it's
|
||
* different to the previous state. */
|
||
mods_depressed = xkb_state_serialize_mods(keyboard->xkb_state.state,
|
||
XKB_STATE_MODS_DEPRESSED);
|
||
mods_latched = xkb_state_serialize_mods(keyboard->xkb_state.state,
|
||
XKB_STATE_MODS_LATCHED);
|
||
mods_locked = xkb_state_serialize_mods(keyboard->xkb_state.state,
|
||
XKB_STATE_MODS_LOCKED);
|
||
group = xkb_state_serialize_layout(keyboard->xkb_state.state,
|
||
XKB_STATE_LAYOUT_EFFECTIVE);
|
||
|
||
if (mods_depressed != keyboard->modifiers.mods_depressed ||
|
||
mods_latched != keyboard->modifiers.mods_latched ||
|
||
mods_locked != keyboard->modifiers.mods_locked ||
|
||
group != keyboard->modifiers.group)
|
||
changed = 1;
|
||
|
||
run_modifier_bindings(seat, keyboard->modifiers.mods_depressed,
|
||
mods_depressed);
|
||
|
||
keyboard->modifiers.mods_depressed = mods_depressed;
|
||
keyboard->modifiers.mods_latched = mods_latched;
|
||
keyboard->modifiers.mods_locked = mods_locked;
|
||
keyboard->modifiers.group = group;
|
||
|
||
/* And update the modifier_state for bindings. */
|
||
mods_lookup = mods_depressed | mods_latched;
|
||
seat->modifier_state = 0;
|
||
if (mods_lookup & (1 << keyboard->xkb_info->ctrl_mod))
|
||
seat->modifier_state |= MODIFIER_CTRL;
|
||
if (mods_lookup & (1 << keyboard->xkb_info->alt_mod))
|
||
seat->modifier_state |= MODIFIER_ALT;
|
||
if (mods_lookup & (1 << keyboard->xkb_info->super_mod))
|
||
seat->modifier_state |= MODIFIER_SUPER;
|
||
if (mods_lookup & (1 << keyboard->xkb_info->shift_mod))
|
||
seat->modifier_state |= MODIFIER_SHIFT;
|
||
|
||
/* Finally, notify the compositor that LEDs have changed. */
|
||
if (xkb_state_led_index_is_active(keyboard->xkb_state.state,
|
||
keyboard->xkb_info->num_led))
|
||
leds |= LED_NUM_LOCK;
|
||
if (xkb_state_led_index_is_active(keyboard->xkb_state.state,
|
||
keyboard->xkb_info->caps_led))
|
||
leds |= LED_CAPS_LOCK;
|
||
if (xkb_state_led_index_is_active(keyboard->xkb_state.state,
|
||
keyboard->xkb_info->scroll_led))
|
||
leds |= LED_SCROLL_LOCK;
|
||
if (leds != keyboard->xkb_state.leds && seat->led_update)
|
||
seat->led_update(seat, leds);
|
||
keyboard->xkb_state.leds = leds;
|
||
|
||
if (changed) {
|
||
grab->interface->modifiers(grab,
|
||
serial,
|
||
keyboard->modifiers.mods_depressed,
|
||
keyboard->modifiers.mods_latched,
|
||
keyboard->modifiers.mods_locked,
|
||
keyboard->modifiers.group);
|
||
}
|
||
}
|
||
|
||
static void
|
||
update_modifier_state(struct weston_seat *seat, uint32_t serial, uint32_t key,
|
||
enum wl_keyboard_key_state state)
|
||
{
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
enum xkb_key_direction direction;
|
||
|
||
/* Keyboard modifiers don't exist in raw keyboard mode */
|
||
if (!seat->compositor->use_xkbcommon)
|
||
return;
|
||
|
||
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
|
||
direction = XKB_KEY_DOWN;
|
||
else
|
||
direction = XKB_KEY_UP;
|
||
|
||
/* Offset the keycode by 8, as the evdev XKB rules reflect X's
|
||
* broken keycode system, which starts at 8. */
|
||
xkb_state_update_key(keyboard->xkb_state.state, key + 8, direction);
|
||
|
||
notify_modifiers(seat, serial);
|
||
}
|
||
|
||
static void
|
||
send_keymap(struct wl_resource *resource, struct weston_xkb_info *xkb_info)
|
||
{
|
||
wl_keyboard_send_keymap(resource,
|
||
WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
|
||
xkb_info->keymap_fd,
|
||
xkb_info->keymap_size);
|
||
}
|
||
|
||
static void
|
||
send_modifiers(struct wl_resource *resource, uint32_t serial, struct weston_keyboard *keyboard)
|
||
{
|
||
wl_keyboard_send_modifiers(resource, serial,
|
||
keyboard->modifiers.mods_depressed,
|
||
keyboard->modifiers.mods_latched,
|
||
keyboard->modifiers.mods_locked,
|
||
keyboard->modifiers.group);
|
||
}
|
||
|
||
static struct weston_xkb_info *
|
||
weston_xkb_info_create(struct xkb_keymap *keymap);
|
||
|
||
static void
|
||
update_keymap(struct weston_seat *seat)
|
||
{
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
struct wl_resource *resource;
|
||
struct weston_xkb_info *xkb_info;
|
||
struct xkb_state *state;
|
||
xkb_mod_mask_t latched_mods;
|
||
xkb_mod_mask_t locked_mods;
|
||
|
||
xkb_info = weston_xkb_info_create(keyboard->pending_keymap);
|
||
|
||
xkb_keymap_unref(keyboard->pending_keymap);
|
||
keyboard->pending_keymap = NULL;
|
||
|
||
if (!xkb_info) {
|
||
weston_log("failed to create XKB info\n");
|
||
return;
|
||
}
|
||
|
||
state = xkb_state_new(xkb_info->keymap);
|
||
if (!state) {
|
||
weston_log("failed to initialise XKB state\n");
|
||
weston_xkb_info_destroy(xkb_info);
|
||
return;
|
||
}
|
||
|
||
latched_mods = xkb_state_serialize_mods(keyboard->xkb_state.state,
|
||
XKB_STATE_MODS_LATCHED);
|
||
locked_mods = xkb_state_serialize_mods(keyboard->xkb_state.state,
|
||
XKB_STATE_MODS_LOCKED);
|
||
xkb_state_update_mask(state,
|
||
0, /* depressed */
|
||
latched_mods,
|
||
locked_mods,
|
||
0, 0, 0);
|
||
|
||
weston_xkb_info_destroy(keyboard->xkb_info);
|
||
keyboard->xkb_info = xkb_info;
|
||
|
||
xkb_state_unref(keyboard->xkb_state.state);
|
||
keyboard->xkb_state.state = state;
|
||
|
||
wl_resource_for_each(resource, &keyboard->resource_list)
|
||
send_keymap(resource, xkb_info);
|
||
wl_resource_for_each(resource, &keyboard->focus_resource_list)
|
||
send_keymap(resource, xkb_info);
|
||
|
||
notify_modifiers(seat, wl_display_next_serial(seat->compositor->wl_display));
|
||
|
||
if (!latched_mods && !locked_mods)
|
||
return;
|
||
|
||
wl_resource_for_each(resource, &keyboard->resource_list)
|
||
send_modifiers(resource, wl_display_get_serial(seat->compositor->wl_display), keyboard);
|
||
wl_resource_for_each(resource, &keyboard->focus_resource_list)
|
||
send_modifiers(resource, wl_display_get_serial(seat->compositor->wl_display), keyboard);
|
||
}
|
||
#else
|
||
WL_EXPORT void
|
||
notify_modifiers(struct weston_seat *seat, uint32_t serial)
|
||
{
|
||
}
|
||
|
||
static void
|
||
update_modifier_state(struct weston_seat *seat, uint32_t serial, uint32_t key,
|
||
enum wl_keyboard_key_state state)
|
||
{
|
||
}
|
||
|
||
static void
|
||
update_keymap(struct weston_seat *seat)
|
||
{
|
||
}
|
||
#endif
|
||
|
||
WL_EXPORT void
|
||
notify_key(struct weston_seat *seat, uint32_t time, uint32_t key,
|
||
enum wl_keyboard_key_state state,
|
||
enum weston_key_state_update update_state)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
struct weston_keyboard_grab *grab = keyboard->grab;
|
||
uint32_t *k, *end;
|
||
|
||
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
|
||
weston_compositor_idle_inhibit(compositor);
|
||
} else {
|
||
weston_compositor_idle_release(compositor);
|
||
}
|
||
|
||
end = keyboard->keys.data + keyboard->keys.size;
|
||
for (k = keyboard->keys.data; k < end; k++) {
|
||
if (*k == key) {
|
||
/* Ignore server-generated repeats. */
|
||
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
|
||
return;
|
||
*k = *--end;
|
||
}
|
||
}
|
||
keyboard->keys.size = (void *) end - keyboard->keys.data;
|
||
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
|
||
k = wl_array_add(&keyboard->keys, sizeof *k);
|
||
*k = key;
|
||
}
|
||
|
||
if (grab == &keyboard->default_grab ||
|
||
grab == &keyboard->input_method_grab) {
|
||
weston_compositor_run_key_binding(compositor, keyboard, time,
|
||
key, state);
|
||
grab = keyboard->grab;
|
||
}
|
||
|
||
grab->interface->key(grab, time, key, state);
|
||
|
||
if (keyboard->pending_keymap &&
|
||
keyboard->keys.size == 0)
|
||
update_keymap(seat);
|
||
|
||
if (update_state == STATE_UPDATE_AUTOMATIC) {
|
||
update_modifier_state(seat,
|
||
wl_display_get_serial(compositor->wl_display),
|
||
key,
|
||
state);
|
||
}
|
||
|
||
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
|
||
keyboard->grab_serial =
|
||
wl_display_get_serial(compositor->wl_display);
|
||
keyboard->grab_time = time;
|
||
keyboard->grab_key = key;
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_pointer_focus(struct weston_seat *seat, struct weston_output *output,
|
||
double x, double y)
|
||
{
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
|
||
if (output) {
|
||
weston_pointer_move_to(pointer,
|
||
wl_fixed_from_double(x),
|
||
wl_fixed_from_double(y));
|
||
} else {
|
||
/* FIXME: We should call weston_pointer_set_focus(seat,
|
||
* NULL) here, but somehow that breaks re-entry... */
|
||
}
|
||
}
|
||
|
||
static void
|
||
destroy_device_saved_kbd_focus(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_seat *ws;
|
||
|
||
ws = container_of(listener, struct weston_seat,
|
||
saved_kbd_focus_listener);
|
||
|
||
ws->saved_kbd_focus = NULL;
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_keyboard_focus_in(struct weston_seat *seat, struct wl_array *keys,
|
||
enum weston_key_state_update update_state)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
struct weston_surface *surface;
|
||
uint32_t *k, serial;
|
||
|
||
serial = wl_display_next_serial(compositor->wl_display);
|
||
wl_array_copy(&keyboard->keys, keys);
|
||
wl_array_for_each(k, &keyboard->keys) {
|
||
weston_compositor_idle_inhibit(compositor);
|
||
if (update_state == STATE_UPDATE_AUTOMATIC)
|
||
update_modifier_state(seat, serial, *k,
|
||
WL_KEYBOARD_KEY_STATE_PRESSED);
|
||
}
|
||
|
||
surface = seat->saved_kbd_focus;
|
||
|
||
if (surface) {
|
||
wl_list_remove(&seat->saved_kbd_focus_listener.link);
|
||
weston_keyboard_set_focus(keyboard, surface);
|
||
seat->saved_kbd_focus = NULL;
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_keyboard_focus_out(struct weston_seat *seat)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
uint32_t *k, serial;
|
||
|
||
serial = wl_display_next_serial(compositor->wl_display);
|
||
wl_array_for_each(k, &keyboard->keys) {
|
||
weston_compositor_idle_release(compositor);
|
||
update_modifier_state(seat, serial, *k,
|
||
WL_KEYBOARD_KEY_STATE_RELEASED);
|
||
}
|
||
|
||
seat->modifier_state = 0;
|
||
|
||
if (keyboard->focus) {
|
||
seat->saved_kbd_focus = keyboard->focus;
|
||
seat->saved_kbd_focus_listener.notify =
|
||
destroy_device_saved_kbd_focus;
|
||
wl_signal_add(&keyboard->focus->destroy_signal,
|
||
&seat->saved_kbd_focus_listener);
|
||
}
|
||
|
||
weston_keyboard_set_focus(keyboard, NULL);
|
||
weston_keyboard_cancel_grab(keyboard);
|
||
if (pointer)
|
||
weston_pointer_cancel_grab(pointer);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_touch_set_focus(struct weston_touch *touch, struct weston_view *view)
|
||
{
|
||
struct wl_list *focus_resource_list;
|
||
|
||
focus_resource_list = &touch->focus_resource_list;
|
||
|
||
if (view && touch->focus &&
|
||
touch->focus->surface == view->surface) {
|
||
touch->focus = view;
|
||
return;
|
||
}
|
||
|
||
wl_list_remove(&touch->focus_resource_listener.link);
|
||
wl_list_init(&touch->focus_resource_listener.link);
|
||
wl_list_remove(&touch->focus_view_listener.link);
|
||
wl_list_init(&touch->focus_view_listener.link);
|
||
|
||
if (!wl_list_empty(focus_resource_list)) {
|
||
move_resources(&touch->resource_list,
|
||
focus_resource_list);
|
||
}
|
||
|
||
if (view) {
|
||
struct wl_client *surface_client;
|
||
|
||
if (!view->surface->resource) {
|
||
touch->focus = NULL;
|
||
return;
|
||
}
|
||
|
||
surface_client = wl_resource_get_client(view->surface->resource);
|
||
move_resources_for_client(focus_resource_list,
|
||
&touch->resource_list,
|
||
surface_client);
|
||
wl_resource_add_destroy_listener(view->surface->resource,
|
||
&touch->focus_resource_listener);
|
||
wl_signal_add(&view->destroy_signal, &touch->focus_view_listener);
|
||
}
|
||
touch->focus = view;
|
||
}
|
||
|
||
/**
|
||
* notify_touch - emulates button touches and notifies surfaces accordingly.
|
||
*
|
||
* It assumes always the correct cycle sequence until it gets here: touch_down
|
||
* → touch_update → ... → touch_update → touch_end. The driver is responsible
|
||
* for sending along such order.
|
||
*
|
||
*/
|
||
WL_EXPORT void
|
||
notify_touch(struct weston_seat *seat, uint32_t time, int touch_id,
|
||
double double_x, double double_y, int touch_type)
|
||
{
|
||
struct weston_compositor *ec = seat->compositor;
|
||
struct weston_touch *touch = weston_seat_get_touch(seat);
|
||
struct weston_touch_grab *grab = touch->grab;
|
||
struct weston_view *ev;
|
||
wl_fixed_t sx, sy;
|
||
wl_fixed_t x = wl_fixed_from_double(double_x);
|
||
wl_fixed_t y = wl_fixed_from_double(double_y);
|
||
|
||
/* Update grab's global coordinates. */
|
||
if (touch_id == touch->grab_touch_id && touch_type != WL_TOUCH_UP) {
|
||
touch->grab_x = x;
|
||
touch->grab_y = y;
|
||
}
|
||
|
||
switch (touch_type) {
|
||
case WL_TOUCH_DOWN:
|
||
weston_compositor_idle_inhibit(ec);
|
||
|
||
touch->num_tp++;
|
||
|
||
/* the first finger down picks the view, and all further go
|
||
* to that view for the remainder of the touch session i.e.
|
||
* until all touch points are up again. */
|
||
if (touch->num_tp == 1) {
|
||
ev = weston_compositor_pick_view(ec, x, y, &sx, &sy);
|
||
weston_touch_set_focus(touch, ev);
|
||
} else if (!touch->focus) {
|
||
/* Unexpected condition: We have non-initial touch but
|
||
* there is no focused surface.
|
||
*/
|
||
weston_log("touch event received with %d points down "
|
||
"but no surface focused\n", touch->num_tp);
|
||
return;
|
||
}
|
||
|
||
weston_compositor_run_touch_binding(ec, touch,
|
||
time, touch_type);
|
||
|
||
grab->interface->down(grab, time, touch_id, x, y);
|
||
if (touch->num_tp == 1) {
|
||
touch->grab_serial =
|
||
wl_display_get_serial(ec->wl_display);
|
||
touch->grab_touch_id = touch_id;
|
||
touch->grab_time = time;
|
||
touch->grab_x = x;
|
||
touch->grab_y = y;
|
||
}
|
||
|
||
break;
|
||
case WL_TOUCH_MOTION:
|
||
ev = touch->focus;
|
||
if (!ev)
|
||
break;
|
||
|
||
grab->interface->motion(grab, time, touch_id, x, y);
|
||
break;
|
||
case WL_TOUCH_UP:
|
||
if (touch->num_tp == 0) {
|
||
/* This can happen if we start out with one or
|
||
* more fingers on the touch screen, in which
|
||
* case we didn't get the corresponding down
|
||
* event. */
|
||
weston_log("unmatched touch up event\n");
|
||
break;
|
||
}
|
||
weston_compositor_idle_release(ec);
|
||
touch->num_tp--;
|
||
|
||
grab->interface->up(grab, time, touch_id);
|
||
if (touch->num_tp == 0)
|
||
weston_touch_set_focus(touch, NULL);
|
||
break;
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_touch_frame(struct weston_seat *seat)
|
||
{
|
||
struct weston_touch *touch = weston_seat_get_touch(seat);
|
||
struct weston_touch_grab *grab = touch->grab;
|
||
|
||
grab->interface->frame(grab);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
notify_touch_cancel(struct weston_seat *seat)
|
||
{
|
||
struct weston_touch *touch = weston_seat_get_touch(seat);
|
||
struct weston_touch_grab *grab = touch->grab;
|
||
|
||
grab->interface->cancel(grab);
|
||
}
|
||
|
||
static int
|
||
pointer_cursor_surface_get_label(struct weston_surface *surface,
|
||
char *buf, size_t len)
|
||
{
|
||
return snprintf(buf, len, "cursor");
|
||
}
|
||
|
||
static void
|
||
pointer_cursor_surface_committed(struct weston_surface *es,
|
||
int32_t dx, int32_t dy)
|
||
{
|
||
struct weston_pointer *pointer = es->committed_private;
|
||
int x, y;
|
||
|
||
if (es->width == 0)
|
||
return;
|
||
|
||
assert(es == pointer->sprite->surface);
|
||
|
||
pointer->hotspot_x -= dx;
|
||
pointer->hotspot_y -= dy;
|
||
|
||
x = wl_fixed_to_int(pointer->x) - pointer->hotspot_x;
|
||
y = wl_fixed_to_int(pointer->y) - pointer->hotspot_y;
|
||
|
||
weston_view_set_position(pointer->sprite, x, y);
|
||
|
||
empty_region(&es->pending.input);
|
||
empty_region(&es->input);
|
||
|
||
if (!weston_surface_is_mapped(es)) {
|
||
weston_layer_entry_insert(&es->compositor->cursor_layer.view_list,
|
||
&pointer->sprite->layer_link);
|
||
weston_view_update_transform(pointer->sprite);
|
||
es->is_mapped = true;
|
||
pointer->sprite->is_mapped = true;
|
||
}
|
||
}
|
||
|
||
static void
|
||
pointer_set_cursor(struct wl_client *client, struct wl_resource *resource,
|
||
uint32_t serial, struct wl_resource *surface_resource,
|
||
int32_t x, int32_t y)
|
||
{
|
||
struct weston_pointer *pointer = wl_resource_get_user_data(resource);
|
||
struct weston_surface *surface = NULL;
|
||
|
||
if (surface_resource)
|
||
surface = wl_resource_get_user_data(surface_resource);
|
||
|
||
if (pointer->focus == NULL)
|
||
return;
|
||
/* pointer->focus->surface->resource can be NULL. Surfaces like the
|
||
black_surface used in shell.c for fullscreen don't have
|
||
a resource, but can still have focus */
|
||
if (pointer->focus->surface->resource == NULL)
|
||
return;
|
||
if (wl_resource_get_client(pointer->focus->surface->resource) != client)
|
||
return;
|
||
if (pointer->focus_serial - serial > UINT32_MAX / 2)
|
||
return;
|
||
|
||
if (!surface) {
|
||
if (pointer->sprite)
|
||
pointer_unmap_sprite(pointer);
|
||
return;
|
||
}
|
||
|
||
if (pointer->sprite && pointer->sprite->surface == surface &&
|
||
pointer->hotspot_x == x && pointer->hotspot_y == y)
|
||
return;
|
||
|
||
if (!pointer->sprite || pointer->sprite->surface != surface) {
|
||
if (weston_surface_set_role(surface, "wl_pointer-cursor",
|
||
resource,
|
||
WL_POINTER_ERROR_ROLE) < 0)
|
||
return;
|
||
|
||
if (pointer->sprite)
|
||
pointer_unmap_sprite(pointer);
|
||
|
||
wl_signal_add(&surface->destroy_signal,
|
||
&pointer->sprite_destroy_listener);
|
||
|
||
surface->committed = pointer_cursor_surface_committed;
|
||
surface->committed_private = pointer;
|
||
weston_surface_set_label_func(surface,
|
||
pointer_cursor_surface_get_label);
|
||
pointer->sprite = weston_view_create(surface);
|
||
}
|
||
|
||
pointer->hotspot_x = x;
|
||
pointer->hotspot_y = y;
|
||
|
||
if (surface->buffer_ref.buffer) {
|
||
pointer_cursor_surface_committed(surface, 0, 0);
|
||
weston_view_schedule_repaint(pointer->sprite);
|
||
}
|
||
}
|
||
|
||
static void
|
||
pointer_release(struct wl_client *client, struct wl_resource *resource)
|
||
{
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static const struct wl_pointer_interface pointer_interface = {
|
||
pointer_set_cursor,
|
||
pointer_release
|
||
};
|
||
|
||
static void
|
||
seat_get_pointer(struct wl_client *client, struct wl_resource *resource,
|
||
uint32_t id)
|
||
{
|
||
struct weston_seat *seat = wl_resource_get_user_data(resource);
|
||
/* We use the pointer_state directly, which means we'll
|
||
* give a wl_pointer if the seat has ever had one - even though
|
||
* the spec explicitly states that this request only takes effect
|
||
* if the seat has the pointer capability.
|
||
*
|
||
* This prevents a race between the compositor sending new
|
||
* capabilities and the client trying to use the old ones.
|
||
*/
|
||
struct weston_pointer *pointer = seat->pointer_state;
|
||
struct wl_resource *cr;
|
||
struct weston_pointer_client *pointer_client;
|
||
|
||
if (!pointer)
|
||
return;
|
||
|
||
cr = wl_resource_create(client, &wl_pointer_interface,
|
||
wl_resource_get_version(resource), id);
|
||
if (cr == NULL) {
|
||
wl_client_post_no_memory(client);
|
||
return;
|
||
}
|
||
|
||
pointer_client = weston_pointer_ensure_pointer_client(pointer, client);
|
||
if (!pointer_client) {
|
||
wl_client_post_no_memory(client);
|
||
return;
|
||
}
|
||
|
||
wl_list_insert(&pointer_client->pointer_resources,
|
||
wl_resource_get_link(cr));
|
||
wl_resource_set_implementation(cr, &pointer_interface, pointer,
|
||
unbind_pointer_client_resource);
|
||
|
||
if (pointer->focus && pointer->focus->surface->resource &&
|
||
wl_resource_get_client(pointer->focus->surface->resource) == client) {
|
||
wl_fixed_t sx, sy;
|
||
|
||
weston_view_from_global_fixed(pointer->focus,
|
||
pointer->x,
|
||
pointer->y,
|
||
&sx, &sy);
|
||
|
||
wl_pointer_send_enter(cr,
|
||
pointer->focus_serial,
|
||
pointer->focus->surface->resource,
|
||
sx, sy);
|
||
pointer_send_frame(cr);
|
||
}
|
||
}
|
||
|
||
static void
|
||
keyboard_release(struct wl_client *client, struct wl_resource *resource)
|
||
{
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static const struct wl_keyboard_interface keyboard_interface = {
|
||
keyboard_release
|
||
};
|
||
|
||
static bool
|
||
should_send_modifiers_to_client(struct weston_seat *seat,
|
||
struct wl_client *client)
|
||
{
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
||
|
||
if (keyboard &&
|
||
keyboard->focus &&
|
||
keyboard->focus->resource &&
|
||
wl_resource_get_client(keyboard->focus->resource) == client)
|
||
return true;
|
||
|
||
if (pointer &&
|
||
pointer->focus &&
|
||
pointer->focus->surface->resource &&
|
||
wl_resource_get_client(pointer->focus->surface->resource) == client)
|
||
return true;
|
||
|
||
return false;
|
||
}
|
||
|
||
static void
|
||
seat_get_keyboard(struct wl_client *client, struct wl_resource *resource,
|
||
uint32_t id)
|
||
{
|
||
struct weston_seat *seat = wl_resource_get_user_data(resource);
|
||
/* We use the keyboard_state directly, which means we'll
|
||
* give a wl_keyboard if the seat has ever had one - even though
|
||
* the spec explicitly states that this request only takes effect
|
||
* if the seat has the keyboard capability.
|
||
*
|
||
* This prevents a race between the compositor sending new
|
||
* capabilities and the client trying to use the old ones.
|
||
*/
|
||
struct weston_keyboard *keyboard = seat->keyboard_state;
|
||
struct wl_resource *cr;
|
||
|
||
if (!keyboard)
|
||
return;
|
||
|
||
cr = wl_resource_create(client, &wl_keyboard_interface,
|
||
wl_resource_get_version(resource), id);
|
||
if (cr == NULL) {
|
||
wl_client_post_no_memory(client);
|
||
return;
|
||
}
|
||
|
||
/* May be moved to focused list later by either
|
||
* weston_keyboard_set_focus or directly if this client is already
|
||
* focused */
|
||
wl_list_insert(&keyboard->resource_list, wl_resource_get_link(cr));
|
||
wl_resource_set_implementation(cr, &keyboard_interface,
|
||
seat, unbind_resource);
|
||
|
||
if (wl_resource_get_version(cr) >= WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION) {
|
||
wl_keyboard_send_repeat_info(cr,
|
||
seat->compositor->kb_repeat_rate,
|
||
seat->compositor->kb_repeat_delay);
|
||
}
|
||
|
||
if (seat->compositor->use_xkbcommon) {
|
||
wl_keyboard_send_keymap(cr, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
|
||
keyboard->xkb_info->keymap_fd,
|
||
keyboard->xkb_info->keymap_size);
|
||
} else {
|
||
int null_fd = open("/dev/null", O_RDONLY);
|
||
wl_keyboard_send_keymap(cr, WL_KEYBOARD_KEYMAP_FORMAT_NO_KEYMAP,
|
||
null_fd,
|
||
0);
|
||
close(null_fd);
|
||
}
|
||
|
||
if (should_send_modifiers_to_client(seat, client)) {
|
||
send_modifiers_to_resource(keyboard,
|
||
cr,
|
||
keyboard->focus_serial);
|
||
}
|
||
|
||
if (keyboard->focus && keyboard->focus->resource &&
|
||
wl_resource_get_client(keyboard->focus->resource) == client) {
|
||
struct weston_surface *surface =
|
||
(struct weston_surface *)keyboard->focus;
|
||
|
||
wl_list_remove(wl_resource_get_link(cr));
|
||
wl_list_insert(&keyboard->focus_resource_list,
|
||
wl_resource_get_link(cr));
|
||
wl_keyboard_send_enter(cr,
|
||
keyboard->focus_serial,
|
||
surface->resource,
|
||
&keyboard->keys);
|
||
|
||
/* If this is the first keyboard resource for this
|
||
* client... */
|
||
if (keyboard->focus_resource_list.prev ==
|
||
wl_resource_get_link(cr))
|
||
wl_data_device_set_keyboard_focus(seat);
|
||
}
|
||
}
|
||
|
||
static void
|
||
touch_release(struct wl_client *client, struct wl_resource *resource)
|
||
{
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static const struct wl_touch_interface touch_interface = {
|
||
touch_release
|
||
};
|
||
|
||
static void
|
||
seat_get_touch(struct wl_client *client, struct wl_resource *resource,
|
||
uint32_t id)
|
||
{
|
||
struct weston_seat *seat = wl_resource_get_user_data(resource);
|
||
/* We use the touch_state directly, which means we'll
|
||
* give a wl_touch if the seat has ever had one - even though
|
||
* the spec explicitly states that this request only takes effect
|
||
* if the seat has the touch capability.
|
||
*
|
||
* This prevents a race between the compositor sending new
|
||
* capabilities and the client trying to use the old ones.
|
||
*/
|
||
struct weston_touch *touch = seat->touch_state;
|
||
struct wl_resource *cr;
|
||
|
||
if (!touch)
|
||
return;
|
||
|
||
cr = wl_resource_create(client, &wl_touch_interface,
|
||
wl_resource_get_version(resource), id);
|
||
if (cr == NULL) {
|
||
wl_client_post_no_memory(client);
|
||
return;
|
||
}
|
||
|
||
if (touch->focus &&
|
||
wl_resource_get_client(touch->focus->surface->resource) == client) {
|
||
wl_list_insert(&touch->focus_resource_list,
|
||
wl_resource_get_link(cr));
|
||
} else {
|
||
wl_list_insert(&touch->resource_list,
|
||
wl_resource_get_link(cr));
|
||
}
|
||
wl_resource_set_implementation(cr, &touch_interface,
|
||
seat, unbind_resource);
|
||
}
|
||
|
||
static void
|
||
seat_release(struct wl_client *client, struct wl_resource *resource)
|
||
{
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static const struct wl_seat_interface seat_interface = {
|
||
seat_get_pointer,
|
||
seat_get_keyboard,
|
||
seat_get_touch,
|
||
seat_release,
|
||
};
|
||
|
||
static void
|
||
bind_seat(struct wl_client *client, void *data, uint32_t version, uint32_t id)
|
||
{
|
||
struct weston_seat *seat = data;
|
||
struct wl_resource *resource;
|
||
enum wl_seat_capability caps = 0;
|
||
|
||
resource = wl_resource_create(client,
|
||
&wl_seat_interface, version, id);
|
||
wl_list_insert(&seat->base_resource_list, wl_resource_get_link(resource));
|
||
wl_resource_set_implementation(resource, &seat_interface, data,
|
||
unbind_resource);
|
||
|
||
if (weston_seat_get_pointer(seat))
|
||
caps |= WL_SEAT_CAPABILITY_POINTER;
|
||
if (weston_seat_get_keyboard(seat))
|
||
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
|
||
if (weston_seat_get_touch(seat))
|
||
caps |= WL_SEAT_CAPABILITY_TOUCH;
|
||
|
||
wl_seat_send_capabilities(resource, caps);
|
||
if (version >= WL_SEAT_NAME_SINCE_VERSION)
|
||
wl_seat_send_name(resource, seat->seat_name);
|
||
}
|
||
|
||
static void
|
||
relative_pointer_destroy(struct wl_client *client,
|
||
struct wl_resource *resource)
|
||
{
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static const struct zwp_relative_pointer_v1_interface relative_pointer_interface = {
|
||
relative_pointer_destroy
|
||
};
|
||
|
||
static void
|
||
relative_pointer_manager_destroy(struct wl_client *client,
|
||
struct wl_resource *resource)
|
||
{
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static void
|
||
relative_pointer_manager_get_relative_pointer(struct wl_client *client,
|
||
struct wl_resource *resource,
|
||
uint32_t id,
|
||
struct wl_resource *pointer_resource)
|
||
{
|
||
struct weston_pointer *pointer =
|
||
wl_resource_get_user_data(pointer_resource);
|
||
struct weston_pointer_client *pointer_client;
|
||
struct wl_resource *cr;
|
||
|
||
cr = wl_resource_create(client, &zwp_relative_pointer_v1_interface,
|
||
wl_resource_get_version(resource), id);
|
||
if (cr == NULL) {
|
||
wl_client_post_no_memory(client);
|
||
return;
|
||
}
|
||
|
||
pointer_client = weston_pointer_ensure_pointer_client(pointer, client);
|
||
if (!pointer_client) {
|
||
wl_client_post_no_memory(client);
|
||
return;
|
||
}
|
||
|
||
wl_list_insert(&pointer_client->relative_pointer_resources,
|
||
wl_resource_get_link(cr));
|
||
wl_resource_set_implementation(cr, &relative_pointer_interface,
|
||
pointer,
|
||
unbind_pointer_client_resource);
|
||
}
|
||
|
||
static const struct zwp_relative_pointer_manager_v1_interface relative_pointer_manager = {
|
||
relative_pointer_manager_destroy,
|
||
relative_pointer_manager_get_relative_pointer,
|
||
};
|
||
|
||
static void
|
||
bind_relative_pointer_manager(struct wl_client *client, void *data,
|
||
uint32_t version, uint32_t id)
|
||
{
|
||
struct weston_compositor *compositor = data;
|
||
struct wl_resource *resource;
|
||
|
||
resource = wl_resource_create(client,
|
||
&zwp_relative_pointer_manager_v1_interface,
|
||
1, id);
|
||
|
||
wl_resource_set_implementation(resource, &relative_pointer_manager,
|
||
compositor,
|
||
NULL);
|
||
}
|
||
|
||
#ifdef ENABLE_XKBCOMMON
|
||
WL_EXPORT int
|
||
weston_compositor_set_xkb_rule_names(struct weston_compositor *ec,
|
||
struct xkb_rule_names *names)
|
||
{
|
||
ec->use_xkbcommon = 1;
|
||
|
||
if (ec->xkb_context == NULL) {
|
||
ec->xkb_context = xkb_context_new(0);
|
||
if (ec->xkb_context == NULL) {
|
||
weston_log("failed to create XKB context\n");
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
if (names)
|
||
ec->xkb_names = *names;
|
||
if (!ec->xkb_names.rules)
|
||
ec->xkb_names.rules = strdup("evdev");
|
||
if (!ec->xkb_names.model)
|
||
ec->xkb_names.model = strdup("pc105");
|
||
if (!ec->xkb_names.layout)
|
||
ec->xkb_names.layout = strdup("us");
|
||
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
weston_xkb_info_destroy(struct weston_xkb_info *xkb_info)
|
||
{
|
||
if (--xkb_info->ref_count > 0)
|
||
return;
|
||
|
||
xkb_keymap_unref(xkb_info->keymap);
|
||
|
||
if (xkb_info->keymap_area)
|
||
munmap(xkb_info->keymap_area, xkb_info->keymap_size);
|
||
if (xkb_info->keymap_fd >= 0)
|
||
close(xkb_info->keymap_fd);
|
||
free(xkb_info);
|
||
}
|
||
|
||
void
|
||
weston_compositor_xkb_destroy(struct weston_compositor *ec)
|
||
{
|
||
/*
|
||
* If we're operating in raw keyboard mode, we never initialized
|
||
* libxkbcommon so there's no cleanup to do either.
|
||
*/
|
||
if (!ec->use_xkbcommon)
|
||
return;
|
||
|
||
free((char *) ec->xkb_names.rules);
|
||
free((char *) ec->xkb_names.model);
|
||
free((char *) ec->xkb_names.layout);
|
||
free((char *) ec->xkb_names.variant);
|
||
free((char *) ec->xkb_names.options);
|
||
|
||
if (ec->xkb_info)
|
||
weston_xkb_info_destroy(ec->xkb_info);
|
||
xkb_context_unref(ec->xkb_context);
|
||
}
|
||
|
||
static struct weston_xkb_info *
|
||
weston_xkb_info_create(struct xkb_keymap *keymap)
|
||
{
|
||
struct weston_xkb_info *xkb_info = zalloc(sizeof *xkb_info);
|
||
if (xkb_info == NULL)
|
||
return NULL;
|
||
|
||
xkb_info->keymap = xkb_keymap_ref(keymap);
|
||
xkb_info->ref_count = 1;
|
||
|
||
char *keymap_str;
|
||
|
||
xkb_info->shift_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
|
||
XKB_MOD_NAME_SHIFT);
|
||
xkb_info->caps_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
|
||
XKB_MOD_NAME_CAPS);
|
||
xkb_info->ctrl_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
|
||
XKB_MOD_NAME_CTRL);
|
||
xkb_info->alt_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
|
||
XKB_MOD_NAME_ALT);
|
||
xkb_info->mod2_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
|
||
"Mod2");
|
||
xkb_info->mod3_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
|
||
"Mod3");
|
||
xkb_info->super_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
|
||
XKB_MOD_NAME_LOGO);
|
||
xkb_info->mod5_mod = xkb_keymap_mod_get_index(xkb_info->keymap,
|
||
"Mod5");
|
||
|
||
xkb_info->num_led = xkb_keymap_led_get_index(xkb_info->keymap,
|
||
XKB_LED_NAME_NUM);
|
||
xkb_info->caps_led = xkb_keymap_led_get_index(xkb_info->keymap,
|
||
XKB_LED_NAME_CAPS);
|
||
xkb_info->scroll_led = xkb_keymap_led_get_index(xkb_info->keymap,
|
||
XKB_LED_NAME_SCROLL);
|
||
|
||
keymap_str = xkb_keymap_get_as_string(xkb_info->keymap,
|
||
XKB_KEYMAP_FORMAT_TEXT_V1);
|
||
if (keymap_str == NULL) {
|
||
weston_log("failed to get string version of keymap\n");
|
||
goto err_keymap;
|
||
}
|
||
xkb_info->keymap_size = strlen(keymap_str) + 1;
|
||
|
||
xkb_info->keymap_fd = os_create_anonymous_file(xkb_info->keymap_size);
|
||
if (xkb_info->keymap_fd < 0) {
|
||
weston_log("creating a keymap file for %lu bytes failed: %m\n",
|
||
(unsigned long) xkb_info->keymap_size);
|
||
goto err_keymap_str;
|
||
}
|
||
|
||
xkb_info->keymap_area = mmap(NULL, xkb_info->keymap_size,
|
||
PROT_READ | PROT_WRITE,
|
||
MAP_SHARED, xkb_info->keymap_fd, 0);
|
||
if (xkb_info->keymap_area == MAP_FAILED) {
|
||
weston_log("failed to mmap() %lu bytes\n",
|
||
(unsigned long) xkb_info->keymap_size);
|
||
goto err_dev_zero;
|
||
}
|
||
strcpy(xkb_info->keymap_area, keymap_str);
|
||
free(keymap_str);
|
||
|
||
return xkb_info;
|
||
|
||
err_dev_zero:
|
||
close(xkb_info->keymap_fd);
|
||
err_keymap_str:
|
||
free(keymap_str);
|
||
err_keymap:
|
||
xkb_keymap_unref(xkb_info->keymap);
|
||
free(xkb_info);
|
||
return NULL;
|
||
}
|
||
|
||
static int
|
||
weston_compositor_build_global_keymap(struct weston_compositor *ec)
|
||
{
|
||
struct xkb_keymap *keymap;
|
||
|
||
if (ec->xkb_info != NULL)
|
||
return 0;
|
||
|
||
keymap = xkb_keymap_new_from_names(ec->xkb_context,
|
||
&ec->xkb_names,
|
||
0);
|
||
if (keymap == NULL) {
|
||
weston_log("failed to compile global XKB keymap\n");
|
||
weston_log(" tried rules %s, model %s, layout %s, variant %s, "
|
||
"options %s\n",
|
||
ec->xkb_names.rules, ec->xkb_names.model,
|
||
ec->xkb_names.layout, ec->xkb_names.variant,
|
||
ec->xkb_names.options);
|
||
return -1;
|
||
}
|
||
|
||
ec->xkb_info = weston_xkb_info_create(keymap);
|
||
xkb_keymap_unref(keymap);
|
||
if (ec->xkb_info == NULL)
|
||
return -1;
|
||
|
||
return 0;
|
||
}
|
||
#else
|
||
WL_EXPORT int
|
||
weston_compositor_set_xkb_rule_names(struct weston_compositor *ec,
|
||
struct xkb_rule_names *names)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
void
|
||
weston_compositor_xkb_destroy(struct weston_compositor *ec)
|
||
{
|
||
}
|
||
#endif
|
||
|
||
WL_EXPORT void
|
||
weston_seat_update_keymap(struct weston_seat *seat, struct xkb_keymap *keymap)
|
||
{
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
|
||
if (!keyboard || !keymap)
|
||
return;
|
||
|
||
#ifdef ENABLE_XKBCOMMON
|
||
if (!seat->compositor->use_xkbcommon)
|
||
return;
|
||
|
||
xkb_keymap_unref(keyboard->pending_keymap);
|
||
keyboard->pending_keymap = xkb_keymap_ref(keymap);
|
||
|
||
if (keyboard->keys.size == 0)
|
||
update_keymap(seat);
|
||
#endif
|
||
}
|
||
|
||
WL_EXPORT int
|
||
weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap)
|
||
{
|
||
struct weston_keyboard *keyboard;
|
||
|
||
if (seat->keyboard_state) {
|
||
seat->keyboard_device_count += 1;
|
||
if (seat->keyboard_device_count == 1)
|
||
seat_send_updated_caps(seat);
|
||
return 0;
|
||
}
|
||
|
||
keyboard = weston_keyboard_create();
|
||
if (keyboard == NULL) {
|
||
weston_log("failed to allocate weston keyboard struct\n");
|
||
return -1;
|
||
}
|
||
|
||
#ifdef ENABLE_XKBCOMMON
|
||
if (seat->compositor->use_xkbcommon) {
|
||
if (keymap != NULL) {
|
||
keyboard->xkb_info = weston_xkb_info_create(keymap);
|
||
if (keyboard->xkb_info == NULL)
|
||
goto err;
|
||
} else {
|
||
if (weston_compositor_build_global_keymap(seat->compositor) < 0)
|
||
goto err;
|
||
keyboard->xkb_info = seat->compositor->xkb_info;
|
||
keyboard->xkb_info->ref_count++;
|
||
}
|
||
|
||
keyboard->xkb_state.state = xkb_state_new(keyboard->xkb_info->keymap);
|
||
if (keyboard->xkb_state.state == NULL) {
|
||
weston_log("failed to initialise XKB state\n");
|
||
goto err;
|
||
}
|
||
|
||
keyboard->xkb_state.leds = 0;
|
||
}
|
||
#endif
|
||
|
||
seat->keyboard_state = keyboard;
|
||
seat->keyboard_device_count = 1;
|
||
keyboard->seat = seat;
|
||
|
||
seat_send_updated_caps(seat);
|
||
|
||
return 0;
|
||
|
||
err:
|
||
if (keyboard->xkb_info)
|
||
weston_xkb_info_destroy(keyboard->xkb_info);
|
||
free(keyboard);
|
||
|
||
return -1;
|
||
}
|
||
|
||
static void
|
||
weston_keyboard_reset_state(struct weston_keyboard *keyboard)
|
||
{
|
||
struct weston_seat *seat = keyboard->seat;
|
||
struct xkb_state *state;
|
||
|
||
#ifdef ENABLE_XKBCOMMON
|
||
if (seat->compositor->use_xkbcommon) {
|
||
state = xkb_state_new(keyboard->xkb_info->keymap);
|
||
if (!state) {
|
||
weston_log("failed to reset XKB state\n");
|
||
return;
|
||
}
|
||
xkb_state_unref(keyboard->xkb_state.state);
|
||
keyboard->xkb_state.state = state;
|
||
|
||
keyboard->xkb_state.leds = 0;
|
||
}
|
||
#endif
|
||
|
||
seat->modifier_state = 0;
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_seat_release_keyboard(struct weston_seat *seat)
|
||
{
|
||
seat->keyboard_device_count--;
|
||
assert(seat->keyboard_device_count >= 0);
|
||
if (seat->keyboard_device_count == 0) {
|
||
weston_keyboard_set_focus(seat->keyboard_state, NULL);
|
||
weston_keyboard_cancel_grab(seat->keyboard_state);
|
||
weston_keyboard_reset_state(seat->keyboard_state);
|
||
seat_send_updated_caps(seat);
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_seat_init_pointer(struct weston_seat *seat)
|
||
{
|
||
struct weston_pointer *pointer;
|
||
|
||
if (seat->pointer_state) {
|
||
seat->pointer_device_count += 1;
|
||
if (seat->pointer_device_count == 1)
|
||
seat_send_updated_caps(seat);
|
||
return;
|
||
}
|
||
|
||
pointer = weston_pointer_create(seat);
|
||
if (pointer == NULL)
|
||
return;
|
||
|
||
seat->pointer_state = pointer;
|
||
seat->pointer_device_count = 1;
|
||
pointer->seat = seat;
|
||
|
||
seat_send_updated_caps(seat);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_seat_release_pointer(struct weston_seat *seat)
|
||
{
|
||
struct weston_pointer *pointer = seat->pointer_state;
|
||
|
||
seat->pointer_device_count--;
|
||
if (seat->pointer_device_count == 0) {
|
||
weston_pointer_clear_focus(pointer);
|
||
weston_pointer_cancel_grab(pointer);
|
||
|
||
if (pointer->sprite)
|
||
pointer_unmap_sprite(pointer);
|
||
|
||
weston_pointer_reset_state(pointer);
|
||
seat_send_updated_caps(seat);
|
||
|
||
/* seat->pointer is intentionally not destroyed so that
|
||
* a newly attached pointer on this seat will retain
|
||
* the previous cursor co-ordinates.
|
||
*/
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_seat_init_touch(struct weston_seat *seat)
|
||
{
|
||
struct weston_touch *touch;
|
||
|
||
if (seat->touch_state) {
|
||
seat->touch_device_count += 1;
|
||
if (seat->touch_device_count == 1)
|
||
seat_send_updated_caps(seat);
|
||
return;
|
||
}
|
||
|
||
touch = weston_touch_create();
|
||
if (touch == NULL)
|
||
return;
|
||
|
||
seat->touch_state = touch;
|
||
seat->touch_device_count = 1;
|
||
touch->seat = seat;
|
||
|
||
seat_send_updated_caps(seat);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_seat_release_touch(struct weston_seat *seat)
|
||
{
|
||
seat->touch_device_count--;
|
||
if (seat->touch_device_count == 0) {
|
||
weston_touch_set_focus(seat->touch_state, NULL);
|
||
weston_touch_cancel_grab(seat->touch_state);
|
||
weston_touch_reset_state(seat->touch_state);
|
||
seat_send_updated_caps(seat);
|
||
}
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec,
|
||
const char *seat_name)
|
||
{
|
||
memset(seat, 0, sizeof *seat);
|
||
|
||
seat->selection_data_source = NULL;
|
||
wl_list_init(&seat->base_resource_list);
|
||
wl_signal_init(&seat->selection_signal);
|
||
wl_list_init(&seat->drag_resource_list);
|
||
wl_signal_init(&seat->destroy_signal);
|
||
wl_signal_init(&seat->updated_caps_signal);
|
||
|
||
seat->global = wl_global_create(ec->wl_display, &wl_seat_interface, 5,
|
||
seat, bind_seat);
|
||
|
||
seat->compositor = ec;
|
||
seat->modifier_state = 0;
|
||
seat->seat_name = strdup(seat_name);
|
||
|
||
wl_list_insert(ec->seat_list.prev, &seat->link);
|
||
|
||
clipboard_create(seat);
|
||
|
||
wl_signal_emit(&ec->seat_created_signal, seat);
|
||
}
|
||
|
||
WL_EXPORT void
|
||
weston_seat_release(struct weston_seat *seat)
|
||
{
|
||
wl_list_remove(&seat->link);
|
||
|
||
if (seat->saved_kbd_focus)
|
||
wl_list_remove(&seat->saved_kbd_focus_listener.link);
|
||
|
||
if (seat->pointer_state)
|
||
weston_pointer_destroy(seat->pointer_state);
|
||
if (seat->keyboard_state)
|
||
weston_keyboard_destroy(seat->keyboard_state);
|
||
if (seat->touch_state)
|
||
weston_touch_destroy(seat->touch_state);
|
||
|
||
free (seat->seat_name);
|
||
|
||
wl_global_destroy(seat->global);
|
||
|
||
wl_signal_emit(&seat->destroy_signal, seat);
|
||
}
|
||
|
||
/** Get a seat's keyboard pointer
|
||
*
|
||
* \param seat The seat to query
|
||
* \return The seat's keyboard pointer, or NULL if no keyboard is present
|
||
*
|
||
* The keyboard pointer for a seat isn't freed when all keyboards are removed,
|
||
* so it should only be used when the seat's keyboard_device_count is greater
|
||
* than zero. This function does that test and only returns a pointer
|
||
* when a keyboard is present.
|
||
*/
|
||
WL_EXPORT struct weston_keyboard *
|
||
weston_seat_get_keyboard(struct weston_seat *seat)
|
||
{
|
||
if (!seat)
|
||
return NULL;
|
||
|
||
if (seat->keyboard_device_count)
|
||
return seat->keyboard_state;
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/** Get a seat's pointer pointer
|
||
*
|
||
* \param seat The seat to query
|
||
* \return The seat's pointer pointer, or NULL if no pointer device is present
|
||
*
|
||
* The pointer pointer for a seat isn't freed when all mice are removed,
|
||
* so it should only be used when the seat's pointer_device_count is greater
|
||
* than zero. This function does that test and only returns a pointer
|
||
* when a pointing device is present.
|
||
*/
|
||
WL_EXPORT struct weston_pointer *
|
||
weston_seat_get_pointer(struct weston_seat *seat)
|
||
{
|
||
if (!seat)
|
||
return NULL;
|
||
|
||
if (seat->pointer_device_count)
|
||
return seat->pointer_state;
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static const struct zwp_locked_pointer_v1_interface locked_pointer_interface;
|
||
static const struct zwp_confined_pointer_v1_interface confined_pointer_interface;
|
||
|
||
static enum pointer_constraint_type
|
||
pointer_constraint_get_type(struct weston_pointer_constraint *constraint)
|
||
{
|
||
if (wl_resource_instance_of(constraint->resource,
|
||
&zwp_locked_pointer_v1_interface,
|
||
&locked_pointer_interface)) {
|
||
return POINTER_CONSTRAINT_TYPE_LOCK;
|
||
} else if (wl_resource_instance_of(constraint->resource,
|
||
&zwp_confined_pointer_v1_interface,
|
||
&confined_pointer_interface)) {
|
||
return POINTER_CONSTRAINT_TYPE_CONFINE;
|
||
}
|
||
|
||
abort();
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
pointer_constraint_notify_activated(struct weston_pointer_constraint *constraint)
|
||
{
|
||
struct wl_resource *resource = constraint->resource;
|
||
|
||
switch (pointer_constraint_get_type(constraint)) {
|
||
case POINTER_CONSTRAINT_TYPE_LOCK:
|
||
zwp_locked_pointer_v1_send_locked(resource);
|
||
break;
|
||
case POINTER_CONSTRAINT_TYPE_CONFINE:
|
||
zwp_confined_pointer_v1_send_confined(resource);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
pointer_constraint_notify_deactivated(struct weston_pointer_constraint *constraint)
|
||
{
|
||
struct wl_resource *resource = constraint->resource;
|
||
|
||
switch (pointer_constraint_get_type(constraint)) {
|
||
case POINTER_CONSTRAINT_TYPE_LOCK:
|
||
zwp_locked_pointer_v1_send_unlocked(resource);
|
||
break;
|
||
case POINTER_CONSTRAINT_TYPE_CONFINE:
|
||
zwp_confined_pointer_v1_send_unconfined(resource);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static struct weston_pointer_constraint *
|
||
get_pointer_constraint_for_pointer(struct weston_surface *surface,
|
||
struct weston_pointer *pointer)
|
||
{
|
||
struct weston_pointer_constraint *constraint;
|
||
|
||
wl_list_for_each(constraint, &surface->pointer_constraints, link) {
|
||
if (constraint->pointer == pointer)
|
||
return constraint;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/** Get a seat's touch pointer
|
||
*
|
||
* \param seat The seat to query
|
||
* \return The seat's touch pointer, or NULL if no touch device is present
|
||
*
|
||
* The touch pointer for a seat isn't freed when all touch devices are removed,
|
||
* so it should only be used when the seat's touch_device_count is greater
|
||
* than zero. This function does that test and only returns a pointer
|
||
* when a touch device is present.
|
||
*/
|
||
WL_EXPORT struct weston_touch *
|
||
weston_seat_get_touch(struct weston_seat *seat)
|
||
{
|
||
if (!seat)
|
||
return NULL;
|
||
|
||
if (seat->touch_device_count)
|
||
return seat->touch_state;
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/** Sets the keyboard focus to the given surface
|
||
*
|
||
* \param seat The seat to query
|
||
*/
|
||
WL_EXPORT void
|
||
weston_seat_set_keyboard_focus(struct weston_seat *seat,
|
||
struct weston_surface *surface)
|
||
{
|
||
struct weston_compositor *compositor = seat->compositor;
|
||
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
||
struct weston_surface_activation_data activation_data;
|
||
|
||
if (keyboard && keyboard->focus != surface) {
|
||
weston_keyboard_set_focus(keyboard, surface);
|
||
wl_data_device_set_keyboard_focus(seat);
|
||
}
|
||
|
||
inc_activate_serial(compositor);
|
||
|
||
activation_data = (struct weston_surface_activation_data) {
|
||
.surface = surface,
|
||
.seat = seat,
|
||
};
|
||
wl_signal_emit(&compositor->activate_signal, &activation_data);
|
||
}
|
||
|
||
static void
|
||
enable_pointer_constraint(struct weston_pointer_constraint *constraint,
|
||
struct weston_view *view)
|
||
{
|
||
assert(constraint->view == NULL);
|
||
constraint->view = view;
|
||
pointer_constraint_notify_activated(constraint);
|
||
weston_pointer_start_grab(constraint->pointer, &constraint->grab);
|
||
wl_list_remove(&constraint->surface_destroy_listener.link);
|
||
wl_list_init(&constraint->surface_destroy_listener.link);
|
||
}
|
||
|
||
static bool
|
||
is_pointer_constraint_enabled(struct weston_pointer_constraint *constraint)
|
||
{
|
||
return constraint->view != NULL;
|
||
}
|
||
|
||
static void
|
||
weston_pointer_constraint_disable(struct weston_pointer_constraint *constraint)
|
||
{
|
||
constraint->view = NULL;
|
||
pointer_constraint_notify_deactivated(constraint);
|
||
weston_pointer_end_grab(constraint->grab.pointer);
|
||
}
|
||
|
||
void
|
||
weston_pointer_constraint_destroy(struct weston_pointer_constraint *constraint)
|
||
{
|
||
if (is_pointer_constraint_enabled(constraint))
|
||
weston_pointer_constraint_disable(constraint);
|
||
|
||
wl_list_remove(&constraint->pointer_destroy_listener.link);
|
||
wl_list_remove(&constraint->surface_destroy_listener.link);
|
||
wl_list_remove(&constraint->surface_commit_listener.link);
|
||
wl_list_remove(&constraint->surface_activate_listener.link);
|
||
|
||
wl_resource_set_user_data(constraint->resource, NULL);
|
||
pixman_region32_fini(&constraint->region);
|
||
wl_list_remove(&constraint->link);
|
||
free(constraint);
|
||
}
|
||
|
||
static void
|
||
disable_pointer_constraint(struct weston_pointer_constraint *constraint)
|
||
{
|
||
switch (constraint->lifetime) {
|
||
case ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT:
|
||
weston_pointer_constraint_destroy(constraint);
|
||
break;
|
||
case ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT:
|
||
weston_pointer_constraint_disable(constraint);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static bool
|
||
is_within_constraint_region(struct weston_pointer_constraint *constraint,
|
||
wl_fixed_t sx, wl_fixed_t sy)
|
||
{
|
||
struct weston_surface *surface = constraint->surface;
|
||
pixman_region32_t constraint_region;
|
||
bool result;
|
||
|
||
pixman_region32_init(&constraint_region);
|
||
pixman_region32_intersect(&constraint_region,
|
||
&surface->input,
|
||
&constraint->region);
|
||
result = pixman_region32_contains_point(&constraint_region,
|
||
wl_fixed_to_int(sx),
|
||
wl_fixed_to_int(sy),
|
||
NULL);
|
||
pixman_region32_fini(&constraint_region);
|
||
|
||
return result;
|
||
}
|
||
|
||
static void
|
||
maybe_enable_pointer_constraint(struct weston_pointer_constraint *constraint)
|
||
{
|
||
struct weston_surface *surface = constraint->surface;
|
||
struct weston_view *vit;
|
||
struct weston_view *view = NULL;
|
||
struct weston_pointer *pointer = constraint->pointer;
|
||
struct weston_keyboard *keyboard;
|
||
struct weston_seat *seat = pointer->seat;
|
||
int32_t x, y;
|
||
|
||
/* Postpone if no view of the surface was most recently clicked. */
|
||
wl_list_for_each(vit, &surface->views, surface_link) {
|
||
if (vit->click_to_activate_serial ==
|
||
surface->compositor->activate_serial) {
|
||
view = vit;
|
||
}
|
||
}
|
||
if (view == NULL)
|
||
return;
|
||
|
||
/* Postpone if surface doesn't have keyboard focus. */
|
||
keyboard = weston_seat_get_keyboard(seat);
|
||
if (!keyboard || keyboard->focus != surface)
|
||
return;
|
||
|
||
/* Postpone constraint if the pointer is not within the
|
||
* constraint region.
|
||
*/
|
||
weston_view_from_global(view,
|
||
wl_fixed_to_int(pointer->x),
|
||
wl_fixed_to_int(pointer->y),
|
||
&x, &y);
|
||
if (!is_within_constraint_region(constraint,
|
||
wl_fixed_from_int(x),
|
||
wl_fixed_from_int(y)))
|
||
return;
|
||
|
||
enable_pointer_constraint(constraint, view);
|
||
}
|
||
|
||
static void
|
||
locked_pointer_grab_pointer_focus(struct weston_pointer_grab *grab)
|
||
{
|
||
}
|
||
|
||
static void
|
||
locked_pointer_grab_pointer_motion(struct weston_pointer_grab *grab,
|
||
uint32_t time,
|
||
struct weston_pointer_motion_event *event)
|
||
{
|
||
pointer_send_relative_motion(grab->pointer, time, event);
|
||
}
|
||
|
||
static void
|
||
locked_pointer_grab_pointer_button(struct weston_pointer_grab *grab,
|
||
uint32_t time,
|
||
uint32_t button,
|
||
uint32_t state_w)
|
||
{
|
||
weston_pointer_send_button(grab->pointer, time, button, state_w);
|
||
}
|
||
|
||
static void
|
||
locked_pointer_grab_pointer_axis(struct weston_pointer_grab *grab,
|
||
uint32_t time,
|
||
struct weston_pointer_axis_event *event)
|
||
{
|
||
weston_pointer_send_axis(grab->pointer, time, event);
|
||
}
|
||
|
||
static void
|
||
locked_pointer_grab_pointer_axis_source(struct weston_pointer_grab *grab,
|
||
uint32_t source)
|
||
{
|
||
weston_pointer_send_axis_source(grab->pointer, source);
|
||
}
|
||
|
||
static void
|
||
locked_pointer_grab_pointer_frame(struct weston_pointer_grab *grab)
|
||
{
|
||
weston_pointer_send_frame(grab->pointer);
|
||
}
|
||
|
||
static void
|
||
locked_pointer_grab_pointer_cancel(struct weston_pointer_grab *grab)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
container_of(grab, struct weston_pointer_constraint, grab);
|
||
|
||
disable_pointer_constraint(constraint);
|
||
}
|
||
|
||
static const struct weston_pointer_grab_interface
|
||
locked_pointer_grab_interface = {
|
||
locked_pointer_grab_pointer_focus,
|
||
locked_pointer_grab_pointer_motion,
|
||
locked_pointer_grab_pointer_button,
|
||
locked_pointer_grab_pointer_axis,
|
||
locked_pointer_grab_pointer_axis_source,
|
||
locked_pointer_grab_pointer_frame,
|
||
locked_pointer_grab_pointer_cancel,
|
||
};
|
||
|
||
static void
|
||
pointer_constraint_constrain_resource_destroyed(struct wl_resource *resource)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
wl_resource_get_user_data(resource);
|
||
|
||
if (!constraint)
|
||
return;
|
||
|
||
weston_pointer_constraint_destroy(constraint);
|
||
}
|
||
|
||
static void
|
||
pointer_constraint_surface_activate(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_surface_activation_data *activation = data;
|
||
struct weston_pointer *pointer;
|
||
struct weston_surface *focus = activation->surface;
|
||
struct weston_pointer_constraint *constraint =
|
||
container_of(listener, struct weston_pointer_constraint,
|
||
surface_activate_listener);
|
||
bool is_constraint_surface;
|
||
|
||
pointer = weston_seat_get_pointer(activation->seat);
|
||
if (!pointer)
|
||
return;
|
||
|
||
is_constraint_surface =
|
||
get_pointer_constraint_for_pointer(focus, pointer) == constraint;
|
||
|
||
if (is_constraint_surface &&
|
||
!is_pointer_constraint_enabled(constraint))
|
||
maybe_enable_pointer_constraint(constraint);
|
||
else if (!is_constraint_surface &&
|
||
is_pointer_constraint_enabled(constraint))
|
||
disable_pointer_constraint(constraint);
|
||
}
|
||
|
||
static void
|
||
pointer_constraint_pointer_destroyed(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
container_of(listener, struct weston_pointer_constraint,
|
||
pointer_destroy_listener);
|
||
|
||
weston_pointer_constraint_destroy(constraint);
|
||
}
|
||
|
||
static void
|
||
pointer_constraint_surface_destroyed(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
container_of(listener, struct weston_pointer_constraint,
|
||
surface_destroy_listener);
|
||
|
||
weston_pointer_constraint_destroy(constraint);
|
||
}
|
||
|
||
static void
|
||
pointer_constraint_surface_committed(struct wl_listener *listener, void *data)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
container_of(listener, struct weston_pointer_constraint,
|
||
surface_commit_listener);
|
||
|
||
if (constraint->region_is_pending) {
|
||
constraint->region_is_pending = false;
|
||
pixman_region32_copy(&constraint->region,
|
||
&constraint->region_pending);
|
||
pixman_region32_fini(&constraint->region_pending);
|
||
pixman_region32_init(&constraint->region_pending);
|
||
}
|
||
|
||
if (constraint->hint_is_pending) {
|
||
constraint->hint_is_pending = false;
|
||
|
||
constraint->hint_is_pending = true;
|
||
constraint->hint_x = constraint->hint_x_pending;
|
||
constraint->hint_y = constraint->hint_y_pending;
|
||
}
|
||
|
||
if (pointer_constraint_get_type(constraint) ==
|
||
POINTER_CONSTRAINT_TYPE_CONFINE &&
|
||
is_pointer_constraint_enabled(constraint))
|
||
maybe_warp_confined_pointer(constraint);
|
||
}
|
||
|
||
static struct weston_pointer_constraint *
|
||
weston_pointer_constraint_create(struct weston_surface *surface,
|
||
struct weston_pointer *pointer,
|
||
struct weston_region *region,
|
||
enum zwp_pointer_constraints_v1_lifetime lifetime,
|
||
struct wl_resource *cr,
|
||
const struct weston_pointer_grab_interface *grab_interface)
|
||
{
|
||
struct weston_pointer_constraint *constraint;
|
||
|
||
constraint = zalloc(sizeof *constraint);
|
||
if (!constraint)
|
||
return NULL;
|
||
|
||
constraint->lifetime = lifetime;
|
||
pixman_region32_init(&constraint->region);
|
||
pixman_region32_init(&constraint->region_pending);
|
||
wl_list_insert(&surface->pointer_constraints, &constraint->link);
|
||
constraint->surface = surface;
|
||
constraint->pointer = pointer;
|
||
constraint->resource = cr;
|
||
constraint->grab.interface = grab_interface;
|
||
if (region) {
|
||
pixman_region32_copy(&constraint->region,
|
||
®ion->region);
|
||
} else {
|
||
pixman_region32_fini(&constraint->region);
|
||
region_init_infinite(&constraint->region);
|
||
}
|
||
|
||
constraint->surface_activate_listener.notify =
|
||
pointer_constraint_surface_activate;
|
||
constraint->surface_destroy_listener.notify =
|
||
pointer_constraint_surface_destroyed;
|
||
constraint->surface_commit_listener.notify =
|
||
pointer_constraint_surface_committed;
|
||
constraint->pointer_destroy_listener.notify =
|
||
pointer_constraint_pointer_destroyed;
|
||
|
||
wl_signal_add(&surface->compositor->activate_signal,
|
||
&constraint->surface_activate_listener);
|
||
wl_signal_add(&pointer->destroy_signal,
|
||
&constraint->pointer_destroy_listener);
|
||
wl_signal_add(&surface->destroy_signal,
|
||
&constraint->surface_destroy_listener);
|
||
wl_signal_add(&surface->commit_signal,
|
||
&constraint->surface_commit_listener);
|
||
|
||
return constraint;
|
||
}
|
||
|
||
static void
|
||
init_pointer_constraint(struct wl_resource *pointer_constraints_resource,
|
||
uint32_t id,
|
||
struct weston_surface *surface,
|
||
struct weston_pointer *pointer,
|
||
struct weston_region *region,
|
||
enum zwp_pointer_constraints_v1_lifetime lifetime,
|
||
const struct wl_interface *interface,
|
||
const void *implementation,
|
||
const struct weston_pointer_grab_interface *grab_interface)
|
||
{
|
||
struct wl_client *client =
|
||
wl_resource_get_client(pointer_constraints_resource);
|
||
struct wl_resource *cr;
|
||
struct weston_pointer_constraint *constraint;
|
||
|
||
if (get_pointer_constraint_for_pointer(surface, pointer)) {
|
||
wl_resource_post_error(pointer_constraints_resource,
|
||
ZWP_POINTER_CONSTRAINTS_V1_ERROR_ALREADY_CONSTRAINED,
|
||
"the pointer has a lock/confine request on this surface");
|
||
return;
|
||
}
|
||
|
||
cr = wl_resource_create(client, interface,
|
||
wl_resource_get_version(pointer_constraints_resource),
|
||
id);
|
||
if (cr == NULL) {
|
||
wl_client_post_no_memory(client);
|
||
return;
|
||
}
|
||
|
||
constraint = weston_pointer_constraint_create(surface, pointer,
|
||
region, lifetime,
|
||
cr, grab_interface);
|
||
if (constraint == NULL) {
|
||
wl_client_post_no_memory(client);
|
||
return;
|
||
}
|
||
|
||
wl_resource_set_implementation(cr, implementation, constraint,
|
||
pointer_constraint_constrain_resource_destroyed);
|
||
|
||
maybe_enable_pointer_constraint(constraint);
|
||
}
|
||
|
||
static void
|
||
pointer_constraints_destroy(struct wl_client *client,
|
||
struct wl_resource *resource)
|
||
{
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static void
|
||
locked_pointer_destroy(struct wl_client *client,
|
||
struct wl_resource *resource)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
wl_resource_get_user_data(resource);
|
||
wl_fixed_t x, y;
|
||
|
||
if (constraint && constraint->view && constraint->hint_is_pending &&
|
||
is_within_constraint_region(constraint,
|
||
constraint->hint_x,
|
||
constraint->hint_y)) {
|
||
weston_view_to_global_fixed(constraint->view,
|
||
constraint->hint_x,
|
||
constraint->hint_y,
|
||
&x, &y);
|
||
weston_pointer_move_to(constraint->pointer, x, y);
|
||
}
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static void
|
||
locked_pointer_set_cursor_position_hint(struct wl_client *client,
|
||
struct wl_resource *resource,
|
||
wl_fixed_t surface_x,
|
||
wl_fixed_t surface_y)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
wl_resource_get_user_data(resource);
|
||
|
||
/* Ignore a set cursor hint that was sent after the lock was cancelled.
|
||
*/
|
||
if (!constraint ||
|
||
!constraint->resource ||
|
||
constraint->resource != resource)
|
||
return;
|
||
|
||
constraint->hint_is_pending = true;
|
||
constraint->hint_x_pending = surface_x;
|
||
constraint->hint_y_pending = surface_y;
|
||
}
|
||
|
||
static void
|
||
locked_pointer_set_region(struct wl_client *client,
|
||
struct wl_resource *resource,
|
||
struct wl_resource *region_resource)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
wl_resource_get_user_data(resource);
|
||
struct weston_region *region = region_resource ?
|
||
wl_resource_get_user_data(region_resource) : NULL;
|
||
|
||
if (!constraint)
|
||
return;
|
||
|
||
if (region) {
|
||
pixman_region32_copy(&constraint->region_pending,
|
||
®ion->region);
|
||
} else {
|
||
pixman_region32_fini(&constraint->region_pending);
|
||
region_init_infinite(&constraint->region_pending);
|
||
}
|
||
constraint->region_is_pending = true;
|
||
}
|
||
|
||
|
||
static const struct zwp_locked_pointer_v1_interface locked_pointer_interface = {
|
||
locked_pointer_destroy,
|
||
locked_pointer_set_cursor_position_hint,
|
||
locked_pointer_set_region,
|
||
};
|
||
|
||
static void
|
||
pointer_constraints_lock_pointer(struct wl_client *client,
|
||
struct wl_resource *resource,
|
||
uint32_t id,
|
||
struct wl_resource *surface_resource,
|
||
struct wl_resource *pointer_resource,
|
||
struct wl_resource *region_resource,
|
||
uint32_t lifetime)
|
||
{
|
||
struct weston_surface *surface =
|
||
wl_resource_get_user_data(surface_resource);
|
||
struct weston_pointer *pointer = wl_resource_get_user_data(pointer_resource);
|
||
struct weston_region *region = region_resource ?
|
||
wl_resource_get_user_data(region_resource) : NULL;
|
||
|
||
init_pointer_constraint(resource, id, surface, pointer, region, lifetime,
|
||
&zwp_locked_pointer_v1_interface,
|
||
&locked_pointer_interface,
|
||
&locked_pointer_grab_interface);
|
||
}
|
||
|
||
static void
|
||
confined_pointer_grab_pointer_focus(struct weston_pointer_grab *grab)
|
||
{
|
||
}
|
||
|
||
static double
|
||
vec2d_cross_product(struct vec2d a, struct vec2d b)
|
||
{
|
||
return a.x * b.y - a.y * b.x;
|
||
}
|
||
|
||
static struct vec2d
|
||
vec2d_add(struct vec2d a, struct vec2d b)
|
||
{
|
||
return (struct vec2d) {
|
||
.x = a.x + b.x,
|
||
.y = a.y + b.y,
|
||
};
|
||
}
|
||
|
||
static struct vec2d
|
||
vec2d_subtract(struct vec2d a, struct vec2d b)
|
||
{
|
||
return (struct vec2d) {
|
||
.x = a.x - b.x,
|
||
.y = a.y - b.y,
|
||
};
|
||
}
|
||
|
||
static struct vec2d
|
||
vec2d_multiply_constant(double c, struct vec2d a)
|
||
{
|
||
return (struct vec2d) {
|
||
.x = c * a.x,
|
||
.y = c * a.y,
|
||
};
|
||
}
|
||
|
||
static bool
|
||
lines_intersect(struct line *line1, struct line *line2,
|
||
struct vec2d *intersection)
|
||
{
|
||
struct vec2d p = line1->a;
|
||
struct vec2d r = vec2d_subtract(line1->b, line1->a);
|
||
struct vec2d q = line2->a;
|
||
struct vec2d s = vec2d_subtract(line2->b, line2->a);
|
||
double rxs;
|
||
double sxr;
|
||
double t;
|
||
double u;
|
||
|
||
/*
|
||
* The line (p, r) and (q, s) intersects where
|
||
*
|
||
* p + t r = q + u s
|
||
*
|
||
* Calculate t:
|
||
*
|
||
* (p + t r) × s = (q + u s) × s
|
||
* p × s + t (r × s) = q × s + u (s × s)
|
||
* p × s + t (r × s) = q × s
|
||
* t (r × s) = q × s - p × s
|
||
* t (r × s) = (q - p) × s
|
||
* t = ((q - p) × s) / (r × s)
|
||
*
|
||
* Using the same method, for u we get:
|
||
*
|
||
* u = ((p - q) × r) / (s × r)
|
||
*/
|
||
|
||
rxs = vec2d_cross_product(r, s);
|
||
sxr = vec2d_cross_product(s, r);
|
||
|
||
/* If r × s = 0 then the lines are either parallel or collinear. */
|
||
if (fabs(rxs) < DBL_MIN)
|
||
return false;
|
||
|
||
t = vec2d_cross_product(vec2d_subtract(q, p), s) / rxs;
|
||
u = vec2d_cross_product(vec2d_subtract(p, q), r) / sxr;
|
||
|
||
/* The lines only intersect if 0 ≤ t ≤ 1 and 0 ≤ u ≤ 1. */
|
||
if (t < 0.0 || t > 1.0 || u < 0.0 || u > 1.0)
|
||
return false;
|
||
|
||
*intersection = vec2d_add(p, vec2d_multiply_constant(t, r));
|
||
return true;
|
||
}
|
||
|
||
static struct border *
|
||
add_border(struct wl_array *array,
|
||
double x1, double y1,
|
||
double x2, double y2,
|
||
enum motion_direction blocking_dir)
|
||
{
|
||
struct border *border = wl_array_add(array, sizeof *border);
|
||
|
||
*border = (struct border) {
|
||
.line = (struct line) {
|
||
.a = (struct vec2d) {
|
||
.x = x1,
|
||
.y = y1,
|
||
},
|
||
.b = (struct vec2d) {
|
||
.x = x2,
|
||
.y = y2,
|
||
},
|
||
},
|
||
.blocking_dir = blocking_dir,
|
||
};
|
||
|
||
return border;
|
||
}
|
||
|
||
static int
|
||
compare_lines_x(const void *a, const void *b)
|
||
{
|
||
const struct border *border_a = a;
|
||
const struct border *border_b = b;
|
||
|
||
|
||
if (border_a->line.a.x == border_b->line.a.x)
|
||
return border_a->line.b.x < border_b->line.b.x;
|
||
else
|
||
return border_a->line.a.x > border_b->line.a.x;
|
||
}
|
||
|
||
static void
|
||
add_non_overlapping_edges(pixman_box32_t *boxes,
|
||
int band_above_start,
|
||
int band_below_start,
|
||
int band_below_end,
|
||
struct wl_array *borders)
|
||
{
|
||
int i;
|
||
struct wl_array band_merge;
|
||
struct border *border;
|
||
struct border *prev_border;
|
||
struct border *new_border;
|
||
|
||
wl_array_init(&band_merge);
|
||
|
||
/* Add bottom band of previous row, and top band of current row, and
|
||
* sort them so lower left x coordinate comes first. If there are two
|
||
* borders with the same left x coordinate, the wider one comes first.
|
||
*/
|
||
for (i = band_above_start; i < band_below_start; i++) {
|
||
pixman_box32_t *box = &boxes[i];
|
||
add_border(&band_merge, box->x1, box->y2, box->x2, box->y2,
|
||
MOTION_DIRECTION_POSITIVE_Y);
|
||
}
|
||
for (i = band_below_start; i < band_below_end; i++) {
|
||
pixman_box32_t *box= &boxes[i];
|
||
add_border(&band_merge, box->x1, box->y1, box->x2, box->y1,
|
||
MOTION_DIRECTION_NEGATIVE_Y);
|
||
}
|
||
qsort(band_merge.data,
|
||
band_merge.size / sizeof *border,
|
||
sizeof *border,
|
||
compare_lines_x);
|
||
|
||
/* Combine the two combined bands so that any overlapping border is
|
||
* eliminated. */
|
||
prev_border = NULL;
|
||
wl_array_for_each(border, &band_merge) {
|
||
assert(border->line.a.y == border->line.b.y);
|
||
assert(!prev_border ||
|
||
prev_border->line.a.y == border->line.a.y);
|
||
assert(!prev_border ||
|
||
(prev_border->line.a.x != border->line.a.x ||
|
||
prev_border->line.b.x != border->line.b.x));
|
||
assert(!prev_border ||
|
||
prev_border->line.a.x <= border->line.a.x);
|
||
|
||
if (prev_border &&
|
||
prev_border->line.a.x == border->line.a.x) {
|
||
/*
|
||
* ------------ +
|
||
* ------- =
|
||
* [ ]-----
|
||
*/
|
||
prev_border->line.a.x = border->line.b.x;
|
||
} else if (prev_border &&
|
||
prev_border->line.b.x == border->line.b.x) {
|
||
/*
|
||
* ------------ +
|
||
* ------ =
|
||
* ------[ ]
|
||
*/
|
||
prev_border->line.b.x = border->line.a.x;
|
||
} else if (prev_border &&
|
||
prev_border->line.b.x == border->line.a.x) {
|
||
/*
|
||
* -------- +
|
||
* ------ =
|
||
* --------------
|
||
*/
|
||
prev_border->line.b.x = border->line.b.x;
|
||
} else if (prev_border &&
|
||
prev_border->line.b.x >= border->line.a.x) {
|
||
/*
|
||
* --------------- +
|
||
* ------ =
|
||
* -----[ ]----
|
||
*/
|
||
new_border = add_border(borders,
|
||
border->line.b.x,
|
||
border->line.b.y,
|
||
prev_border->line.b.x,
|
||
prev_border->line.b.y,
|
||
prev_border->blocking_dir);
|
||
prev_border->line.b.x = border->line.a.x;
|
||
prev_border = new_border;
|
||
} else {
|
||
assert(!prev_border ||
|
||
prev_border->line.b.x < border->line.a.x);
|
||
/*
|
||
* First border or non-overlapping.
|
||
*
|
||
* ----- +
|
||
* ----- =
|
||
* ----- -----
|
||
*/
|
||
new_border = wl_array_add(borders, sizeof *border);
|
||
*new_border = *border;
|
||
prev_border = new_border;
|
||
}
|
||
}
|
||
|
||
wl_array_release(&band_merge);
|
||
}
|
||
|
||
static void
|
||
add_band_bottom_edges(pixman_box32_t *boxes,
|
||
int band_start,
|
||
int band_end,
|
||
struct wl_array *borders)
|
||
{
|
||
int i;
|
||
|
||
for (i = band_start; i < band_end; i++) {
|
||
add_border(borders,
|
||
boxes[i].x1, boxes[i].y2,
|
||
boxes[i].x2, boxes[i].y2,
|
||
MOTION_DIRECTION_POSITIVE_Y);
|
||
}
|
||
}
|
||
|
||
static void
|
||
region_to_outline(pixman_region32_t *region, struct wl_array *borders)
|
||
{
|
||
pixman_box32_t *boxes;
|
||
int num_boxes;
|
||
int i;
|
||
int top_most, bottom_most;
|
||
int current_roof;
|
||
int prev_top;
|
||
int band_start, prev_band_start;
|
||
|
||
/*
|
||
* Remove any overlapping lines from the set of rectangles. Note that
|
||
* pixman regions are grouped as rows of rectangles, where rectangles
|
||
* in one row never touch or overlap and are all of the same height.
|
||
*
|
||
* -------- --- -------- ---
|
||
* | | | | | | | |
|
||
* ----------====---- --- ----------- ----- ---
|
||
* | | => | |
|
||
* ----==========--------- ----- ----------
|
||
* | | | |
|
||
* ------------------- -------------------
|
||
*
|
||
*/
|
||
|
||
boxes = pixman_region32_rectangles(region, &num_boxes);
|
||
prev_top = 0;
|
||
top_most = boxes[0].y1;
|
||
current_roof = top_most;
|
||
bottom_most = boxes[num_boxes - 1].y2;
|
||
band_start = 0;
|
||
prev_band_start = 0;
|
||
for (i = 0; i < num_boxes; i++) {
|
||
/* Detect if there is a vertical empty space, and add the lower
|
||
* level of the previous band if so was the case. */
|
||
if (i > 0 &&
|
||
boxes[i].y1 != prev_top &&
|
||
boxes[i].y1 != boxes[i - 1].y2) {
|
||
current_roof = boxes[i].y1;
|
||
add_band_bottom_edges(boxes,
|
||
band_start,
|
||
i,
|
||
borders);
|
||
}
|
||
|
||
/* Special case adding the last band, since it won't be handled
|
||
* by the band change detection below. */
|
||
if (boxes[i].y1 != current_roof && i == num_boxes - 1) {
|
||
if (boxes[i].y1 != prev_top) {
|
||
/* The last band is a single box, so we don't
|
||
* have a prev_band_start to tell us when the
|
||
* previous band started. */
|
||
add_non_overlapping_edges(boxes,
|
||
band_start,
|
||
i,
|
||
i + 1,
|
||
borders);
|
||
} else {
|
||
add_non_overlapping_edges(boxes,
|
||
prev_band_start,
|
||
band_start,
|
||
i + 1,
|
||
borders);
|
||
}
|
||
}
|
||
|
||
/* Detect when passing a band and combine the top border of the
|
||
* just passed band with the bottom band of the previous band.
|
||
*/
|
||
if (boxes[i].y1 != top_most && boxes[i].y1 != prev_top) {
|
||
/* Combine the two passed bands. */
|
||
if (prev_top != current_roof) {
|
||
add_non_overlapping_edges(boxes,
|
||
prev_band_start,
|
||
band_start,
|
||
i,
|
||
borders);
|
||
}
|
||
|
||
prev_band_start = band_start;
|
||
band_start = i;
|
||
}
|
||
|
||
/* Add the top border if the box is part of the current roof. */
|
||
if (boxes[i].y1 == current_roof) {
|
||
add_border(borders,
|
||
boxes[i].x1, boxes[i].y1,
|
||
boxes[i].x2, boxes[i].y1,
|
||
MOTION_DIRECTION_NEGATIVE_Y);
|
||
}
|
||
|
||
/* Add the bottom border of the last band. */
|
||
if (boxes[i].y2 == bottom_most) {
|
||
add_border(borders,
|
||
boxes[i].x1, boxes[i].y2,
|
||
boxes[i].x2, boxes[i].y2,
|
||
MOTION_DIRECTION_POSITIVE_Y);
|
||
}
|
||
|
||
/* Always add the left border. */
|
||
add_border(borders,
|
||
boxes[i].x1, boxes[i].y1,
|
||
boxes[i].x1, boxes[i].y2,
|
||
MOTION_DIRECTION_NEGATIVE_X);
|
||
|
||
/* Always add the right border. */
|
||
add_border(borders,
|
||
boxes[i].x2, boxes[i].y1,
|
||
boxes[i].x2, boxes[i].y2,
|
||
MOTION_DIRECTION_POSITIVE_X);
|
||
|
||
prev_top = boxes[i].y1;
|
||
}
|
||
}
|
||
|
||
static bool
|
||
is_border_horizontal (struct border *border)
|
||
{
|
||
return border->line.a.y == border->line.b.y;
|
||
}
|
||
|
||
static bool
|
||
is_border_blocking_directions(struct border *border,
|
||
uint32_t directions)
|
||
{
|
||
/* Don't block parallel motions. */
|
||
if (is_border_horizontal(border)) {
|
||
if ((directions & (MOTION_DIRECTION_POSITIVE_Y |
|
||
MOTION_DIRECTION_NEGATIVE_Y)) == 0)
|
||
return false;
|
||
} else {
|
||
if ((directions & (MOTION_DIRECTION_POSITIVE_X |
|
||
MOTION_DIRECTION_NEGATIVE_X)) == 0)
|
||
return false;
|
||
}
|
||
|
||
return (~border->blocking_dir & directions) != directions;
|
||
}
|
||
|
||
static struct border *
|
||
get_closest_border(struct wl_array *borders,
|
||
struct line *motion,
|
||
uint32_t directions)
|
||
{
|
||
struct border *border;
|
||
struct vec2d intersection;
|
||
struct vec2d delta;
|
||
double distance_2;
|
||
struct border *closest_border = NULL;
|
||
double closest_distance_2 = DBL_MAX;
|
||
|
||
wl_array_for_each(border, borders) {
|
||
if (!is_border_blocking_directions(border, directions))
|
||
continue;
|
||
|
||
if (!lines_intersect(&border->line, motion, &intersection))
|
||
continue;
|
||
|
||
delta = vec2d_subtract(intersection, motion->a);
|
||
distance_2 = delta.x*delta.x + delta.y*delta.y;
|
||
if (distance_2 < closest_distance_2) {
|
||
closest_border = border;
|
||
closest_distance_2 = distance_2;
|
||
}
|
||
}
|
||
|
||
return closest_border;
|
||
}
|
||
|
||
static void
|
||
clamp_to_border(struct border *border,
|
||
struct line *motion,
|
||
uint32_t *motion_dir)
|
||
{
|
||
/*
|
||
* When clamping either rightward or downward motions, the motion needs
|
||
* to be clamped so that the destination coordinate does not end up on
|
||
* the border (see weston_pointer_clamp_event_to_region). Do this by
|
||
* clamping such motions to the border minus the smallest possible
|
||
* wl_fixed_t value.
|
||
*/
|
||
if (is_border_horizontal(border)) {
|
||
if (*motion_dir & MOTION_DIRECTION_POSITIVE_Y)
|
||
motion->b.y = border->line.a.y - wl_fixed_to_double(1);
|
||
else
|
||
motion->b.y = border->line.a.y;
|
||
*motion_dir &= ~(MOTION_DIRECTION_POSITIVE_Y |
|
||
MOTION_DIRECTION_NEGATIVE_Y);
|
||
} else {
|
||
if (*motion_dir & MOTION_DIRECTION_POSITIVE_X)
|
||
motion->b.x = border->line.a.x - wl_fixed_to_double(1);
|
||
else
|
||
motion->b.x = border->line.a.x;
|
||
*motion_dir &= ~(MOTION_DIRECTION_POSITIVE_X |
|
||
MOTION_DIRECTION_NEGATIVE_X);
|
||
}
|
||
}
|
||
|
||
static uint32_t
|
||
get_motion_directions(struct line *motion)
|
||
{
|
||
uint32_t directions = 0;
|
||
|
||
if (motion->a.x < motion->b.x)
|
||
directions |= MOTION_DIRECTION_POSITIVE_X;
|
||
else if (motion->a.x > motion->b.x)
|
||
directions |= MOTION_DIRECTION_NEGATIVE_X;
|
||
if (motion->a.y < motion->b.y)
|
||
directions |= MOTION_DIRECTION_POSITIVE_Y;
|
||
else if (motion->a.y > motion->b.y)
|
||
directions |= MOTION_DIRECTION_NEGATIVE_Y;
|
||
|
||
return directions;
|
||
}
|
||
|
||
static void
|
||
weston_pointer_clamp_event_to_region(struct weston_pointer *pointer,
|
||
struct weston_pointer_motion_event *event,
|
||
pixman_region32_t *region,
|
||
wl_fixed_t *clamped_x,
|
||
wl_fixed_t *clamped_y)
|
||
{
|
||
wl_fixed_t x, y;
|
||
wl_fixed_t sx, sy;
|
||
wl_fixed_t old_sx = pointer->sx;
|
||
wl_fixed_t old_sy = pointer->sy;
|
||
struct wl_array borders;
|
||
struct line motion;
|
||
struct border *closest_border;
|
||
float new_x_f, new_y_f;
|
||
uint32_t directions;
|
||
|
||
weston_pointer_motion_to_abs(pointer, event, &x, &y);
|
||
weston_view_from_global_fixed(pointer->focus, x, y, &sx, &sy);
|
||
|
||
wl_array_init(&borders);
|
||
|
||
/*
|
||
* Generate borders given the confine region we are to use. The borders
|
||
* are defined to be the outer region of the allowed area. This means
|
||
* top/left borders are "within" the allowed area, while bottom/right
|
||
* borders are outside. This needs to be considered when clamping
|
||
* confined motion vectors.
|
||
*/
|
||
region_to_outline(region, &borders);
|
||
|
||
motion = (struct line) {
|
||
.a = (struct vec2d) {
|
||
.x = wl_fixed_to_double(old_sx),
|
||
.y = wl_fixed_to_double(old_sy),
|
||
},
|
||
.b = (struct vec2d) {
|
||
.x = wl_fixed_to_double(sx),
|
||
.y = wl_fixed_to_double(sy),
|
||
},
|
||
};
|
||
directions = get_motion_directions(&motion);
|
||
|
||
while (directions) {
|
||
closest_border = get_closest_border(&borders,
|
||
&motion,
|
||
directions);
|
||
if (closest_border)
|
||
clamp_to_border(closest_border, &motion, &directions);
|
||
else
|
||
break;
|
||
}
|
||
|
||
weston_view_to_global_float(pointer->focus,
|
||
(float) motion.b.x, (float) motion.b.y,
|
||
&new_x_f, &new_y_f);
|
||
*clamped_x = wl_fixed_from_double(new_x_f);
|
||
*clamped_y = wl_fixed_from_double(new_y_f);
|
||
|
||
wl_array_release(&borders);
|
||
}
|
||
|
||
static double
|
||
point_to_border_distance_2(struct border *border, double x, double y)
|
||
{
|
||
double orig_x, orig_y;
|
||
double dx, dy;
|
||
|
||
if (is_border_horizontal(border)) {
|
||
if (x < border->line.a.x)
|
||
orig_x = border->line.a.x;
|
||
else if (x > border->line.b.x)
|
||
orig_x = border->line.b.x;
|
||
else
|
||
orig_x = x;
|
||
orig_y = border->line.a.y;
|
||
} else {
|
||
if (y < border->line.a.y)
|
||
orig_y = border->line.a.y;
|
||
else if (y > border->line.b.y)
|
||
orig_y = border->line.b.y;
|
||
else
|
||
orig_y = y;
|
||
orig_x = border->line.a.x;
|
||
}
|
||
|
||
|
||
dx = fabs(orig_x - x);
|
||
dy = fabs(orig_y - y);
|
||
return dx*dx + dy*dy;
|
||
}
|
||
|
||
static void
|
||
warp_to_behind_border(struct border *border, wl_fixed_t *sx, wl_fixed_t *sy)
|
||
{
|
||
switch (border->blocking_dir) {
|
||
case MOTION_DIRECTION_POSITIVE_X:
|
||
case MOTION_DIRECTION_NEGATIVE_X:
|
||
if (border->blocking_dir == MOTION_DIRECTION_POSITIVE_X)
|
||
*sx = wl_fixed_from_double(border->line.a.x) - 1;
|
||
else
|
||
*sx = wl_fixed_from_double(border->line.a.x) + 1;
|
||
if (*sy < wl_fixed_from_double(border->line.a.y))
|
||
*sy = wl_fixed_from_double(border->line.a.y) + 1;
|
||
else if (*sy > wl_fixed_from_double(border->line.b.y))
|
||
*sy = wl_fixed_from_double(border->line.b.y) - 1;
|
||
break;
|
||
case MOTION_DIRECTION_POSITIVE_Y:
|
||
case MOTION_DIRECTION_NEGATIVE_Y:
|
||
if (border->blocking_dir == MOTION_DIRECTION_POSITIVE_Y)
|
||
*sy = wl_fixed_from_double(border->line.a.y) - 1;
|
||
else
|
||
*sy = wl_fixed_from_double(border->line.a.y) + 1;
|
||
if (*sx < wl_fixed_from_double(border->line.a.x))
|
||
*sx = wl_fixed_from_double(border->line.a.x) + 1;
|
||
else if (*sx > wl_fixed_from_double(border->line.b.x))
|
||
*sx = wl_fixed_from_double(border->line.b.x) - 1;
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
maybe_warp_confined_pointer(struct weston_pointer_constraint *constraint)
|
||
{
|
||
wl_fixed_t x;
|
||
wl_fixed_t y;
|
||
wl_fixed_t sx;
|
||
wl_fixed_t sy;
|
||
|
||
weston_view_from_global_fixed(constraint->view,
|
||
constraint->pointer->x,
|
||
constraint->pointer->y,
|
||
&sx,
|
||
&sy);
|
||
|
||
if (!is_within_constraint_region(constraint, sx, sy)) {
|
||
double xf = wl_fixed_to_double(sx);
|
||
double yf = wl_fixed_to_double(sy);
|
||
pixman_region32_t confine_region;
|
||
struct wl_array borders;
|
||
struct border *border;
|
||
double closest_distance_2 = DBL_MAX;
|
||
struct border *closest_border = NULL;
|
||
|
||
wl_array_init(&borders);
|
||
|
||
pixman_region32_init(&confine_region);
|
||
pixman_region32_intersect(&confine_region,
|
||
&constraint->view->surface->input,
|
||
&constraint->region);
|
||
region_to_outline(&confine_region, &borders);
|
||
pixman_region32_fini(&confine_region);
|
||
|
||
wl_array_for_each(border, &borders) {
|
||
double distance_2;
|
||
|
||
distance_2 = point_to_border_distance_2(border, xf, yf);
|
||
if (distance_2 < closest_distance_2) {
|
||
closest_border = border;
|
||
closest_distance_2 = distance_2;
|
||
}
|
||
}
|
||
assert(closest_border);
|
||
|
||
warp_to_behind_border(closest_border, &sx, &sy);
|
||
|
||
wl_array_release(&borders);
|
||
|
||
weston_view_to_global_fixed(constraint->view, sx, sy, &x, &y);
|
||
weston_pointer_move_to(constraint->pointer, x, y);
|
||
}
|
||
}
|
||
|
||
static void
|
||
confined_pointer_grab_pointer_motion(struct weston_pointer_grab *grab,
|
||
uint32_t time,
|
||
struct weston_pointer_motion_event *event)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
container_of(grab, struct weston_pointer_constraint, grab);
|
||
struct weston_pointer *pointer = grab->pointer;
|
||
struct weston_surface *surface;
|
||
wl_fixed_t x, y;
|
||
wl_fixed_t old_sx = pointer->sx;
|
||
wl_fixed_t old_sy = pointer->sy;
|
||
pixman_region32_t confine_region;
|
||
|
||
assert(pointer->focus);
|
||
assert(pointer->focus->surface == constraint->surface);
|
||
|
||
surface = pointer->focus->surface;
|
||
|
||
pixman_region32_init(&confine_region);
|
||
pixman_region32_intersect(&confine_region,
|
||
&surface->input,
|
||
&constraint->region);
|
||
weston_pointer_clamp_event_to_region(pointer, event,
|
||
&confine_region, &x, &y);
|
||
weston_pointer_move_to(pointer, x, y);
|
||
pixman_region32_fini(&confine_region);
|
||
|
||
weston_view_from_global_fixed(pointer->focus, x, y,
|
||
&pointer->sx, &pointer->sy);
|
||
|
||
if (old_sx != pointer->sx || old_sy != pointer->sy) {
|
||
pointer_send_motion(pointer, time,
|
||
pointer->sx, pointer->sy);
|
||
}
|
||
|
||
pointer_send_relative_motion(pointer, time, event);
|
||
}
|
||
|
||
static void
|
||
confined_pointer_grab_pointer_button(struct weston_pointer_grab *grab,
|
||
uint32_t time,
|
||
uint32_t button,
|
||
uint32_t state_w)
|
||
{
|
||
weston_pointer_send_button(grab->pointer, time, button, state_w);
|
||
}
|
||
|
||
static void
|
||
confined_pointer_grab_pointer_axis(struct weston_pointer_grab *grab,
|
||
uint32_t time,
|
||
struct weston_pointer_axis_event *event)
|
||
{
|
||
weston_pointer_send_axis(grab->pointer, time, event);
|
||
}
|
||
|
||
static void
|
||
confined_pointer_grab_pointer_axis_source(struct weston_pointer_grab *grab,
|
||
uint32_t source)
|
||
{
|
||
weston_pointer_send_axis_source(grab->pointer, source);
|
||
}
|
||
|
||
static void
|
||
confined_pointer_grab_pointer_frame(struct weston_pointer_grab *grab)
|
||
{
|
||
weston_pointer_send_frame(grab->pointer);
|
||
}
|
||
|
||
static void
|
||
confined_pointer_grab_pointer_cancel(struct weston_pointer_grab *grab)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
container_of(grab, struct weston_pointer_constraint, grab);
|
||
|
||
disable_pointer_constraint(constraint);
|
||
|
||
/* If this is a persistent constraint, re-add the surface destroy signal
|
||
* listener only if we are currently not destroying the surface. */
|
||
switch (constraint->lifetime) {
|
||
case ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT:
|
||
if (constraint->surface->resource)
|
||
wl_signal_add(&constraint->surface->destroy_signal,
|
||
&constraint->surface_destroy_listener);
|
||
break;
|
||
case ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT:
|
||
break;
|
||
}
|
||
}
|
||
|
||
static const struct weston_pointer_grab_interface
|
||
confined_pointer_grab_interface = {
|
||
confined_pointer_grab_pointer_focus,
|
||
confined_pointer_grab_pointer_motion,
|
||
confined_pointer_grab_pointer_button,
|
||
confined_pointer_grab_pointer_axis,
|
||
confined_pointer_grab_pointer_axis_source,
|
||
confined_pointer_grab_pointer_frame,
|
||
confined_pointer_grab_pointer_cancel,
|
||
};
|
||
|
||
static void
|
||
confined_pointer_destroy(struct wl_client *client,
|
||
struct wl_resource *resource)
|
||
{
|
||
wl_resource_destroy(resource);
|
||
}
|
||
|
||
static void
|
||
confined_pointer_set_region(struct wl_client *client,
|
||
struct wl_resource *resource,
|
||
struct wl_resource *region_resource)
|
||
{
|
||
struct weston_pointer_constraint *constraint =
|
||
wl_resource_get_user_data(resource);
|
||
struct weston_region *region = region_resource ?
|
||
wl_resource_get_user_data(region_resource) : NULL;
|
||
|
||
if (!constraint)
|
||
return;
|
||
|
||
if (region) {
|
||
pixman_region32_copy(&constraint->region_pending,
|
||
®ion->region);
|
||
} else {
|
||
pixman_region32_fini(&constraint->region_pending);
|
||
region_init_infinite(&constraint->region_pending);
|
||
}
|
||
constraint->region_is_pending = true;
|
||
}
|
||
|
||
static const struct zwp_confined_pointer_v1_interface confined_pointer_interface = {
|
||
confined_pointer_destroy,
|
||
confined_pointer_set_region,
|
||
};
|
||
|
||
static void
|
||
pointer_constraints_confine_pointer(struct wl_client *client,
|
||
struct wl_resource *resource,
|
||
uint32_t id,
|
||
struct wl_resource *surface_resource,
|
||
struct wl_resource *pointer_resource,
|
||
struct wl_resource *region_resource,
|
||
uint32_t lifetime)
|
||
{
|
||
struct weston_surface *surface =
|
||
wl_resource_get_user_data(surface_resource);
|
||
struct weston_pointer *pointer = wl_resource_get_user_data(pointer_resource);
|
||
struct weston_region *region = region_resource ?
|
||
wl_resource_get_user_data(region_resource) : NULL;
|
||
|
||
init_pointer_constraint(resource, id, surface, pointer, region, lifetime,
|
||
&zwp_confined_pointer_v1_interface,
|
||
&confined_pointer_interface,
|
||
&confined_pointer_grab_interface);
|
||
}
|
||
|
||
static const struct zwp_pointer_constraints_v1_interface pointer_constraints_interface = {
|
||
pointer_constraints_destroy,
|
||
pointer_constraints_lock_pointer,
|
||
pointer_constraints_confine_pointer,
|
||
};
|
||
|
||
static void
|
||
bind_pointer_constraints(struct wl_client *client, void *data,
|
||
uint32_t version, uint32_t id)
|
||
{
|
||
struct wl_resource *resource;
|
||
|
||
resource = wl_resource_create(client,
|
||
&zwp_pointer_constraints_v1_interface,
|
||
1, id);
|
||
|
||
wl_resource_set_implementation(resource, &pointer_constraints_interface,
|
||
NULL, NULL);
|
||
}
|
||
|
||
int
|
||
weston_input_init(struct weston_compositor *compositor)
|
||
{
|
||
if (!wl_global_create(compositor->wl_display,
|
||
&zwp_relative_pointer_manager_v1_interface, 1,
|
||
compositor, bind_relative_pointer_manager))
|
||
return -1;
|
||
|
||
if (!wl_global_create(compositor->wl_display,
|
||
&zwp_pointer_constraints_v1_interface, 1,
|
||
NULL, bind_pointer_constraints))
|
||
return -1;
|
||
|
||
return 0;
|
||
}
|