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/*
* Copyright © 2020 Collabora, Ltd.
*
* 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 <assert.h>
#include <linux/input.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "ivi-compositor.h"
#include "shared/helpers.h"
struct ivi_surface *
get_ivi_shell_surface(struct weston_surface *surface)
{
struct weston_desktop_surface *desktop_surface =
weston_surface_get_desktop_surface(surface);
if (desktop_surface)
return weston_desktop_surface_get_user_data(desktop_surface);
return NULL;
}
static void
ivi_shell_seat_handle_destroy(struct wl_listener *listener, void *data)
{
struct ivi_shell_seat *shseat =
container_of(listener,
struct ivi_shell_seat, seat_destroy_listener);
wl_list_remove(&shseat->keyboard_focus_listener.link);
wl_list_remove(&shseat->caps_changed_listener.link);
wl_list_remove(&shseat->pointer_focus_listener.link);
wl_list_remove(&shseat->seat_destroy_listener.link);
free(shseat);
}
struct ivi_shell_seat *
get_ivi_shell_seat(struct weston_seat *seat)
{
struct wl_listener *listener;
if (!seat)
return NULL;
listener = wl_signal_get(&seat->destroy_signal,
ivi_shell_seat_handle_destroy);
if (!listener)
return NULL;
return container_of(listener,
struct ivi_shell_seat, seat_destroy_listener);
}
struct weston_seat *
get_ivi_shell_weston_first_seat(struct ivi_compositor *ivi)
{
struct wl_list *node;
struct weston_compositor *compositor = ivi->compositor;
if (wl_list_empty(&compositor->seat_list))
return NULL;
node = compositor->seat_list.next;
return container_of(node, struct weston_seat, link);
}
static void
ivi_shell_seat_handle_pointer_focus(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer = data;
struct ivi_shell_seat *shseat = get_ivi_shell_seat(pointer->seat);
struct wl_resource *resource;
int resources = 0;
/* FIXME: should probably query it and not assume all caps */
uint32_t caps = (WL_SEAT_CAPABILITY_POINTER |
WL_SEAT_CAPABILITY_TOUCH |
WL_SEAT_CAPABILITY_KEYBOARD);
wl_resource_for_each(resource, &pointer->seat->base_resource_list)
resources++;
/* remove the POINTER capability such that the client will not install
* a cursor surface */
if (shseat->hide_cursor && !shseat->new_caps_sent && resources) {
caps &= ~WL_SEAT_CAPABILITY_POINTER;
wl_resource_for_each(resource, &pointer->seat->base_resource_list) {
wl_seat_send_capabilities(resource, caps);
}
shseat->new_caps_sent = true;
}
}
static void
ivi_shell_seat_handle_caps_changed(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer;
struct ivi_shell_seat *shseat;
shseat = container_of(listener, struct ivi_shell_seat,
caps_changed_listener);
pointer = weston_seat_get_pointer(shseat->seat);
if (pointer && wl_list_empty(&shseat->pointer_focus_listener.link)) {
wl_signal_add(&pointer->focus_signal,
&shseat->pointer_focus_listener);
} else {
wl_list_remove(&shseat->pointer_focus_listener.link);
wl_list_init(&shseat->pointer_focus_listener.link);
}
}
static struct ivi_shell_seat *
ivi_shell_seat_create(struct weston_seat *seat, bool hide_cursor)
{
struct ivi_shell_seat *shseat;
shseat = zalloc(sizeof(*shseat));
if (!shseat) {
weston_log("no memory to allocate shell seat\n");
return NULL;
}
shseat->seat = seat;
shseat->hide_cursor = hide_cursor;
shseat->new_caps_sent = false;
shseat->seat_destroy_listener.notify = ivi_shell_seat_handle_destroy;
wl_signal_add(&seat->destroy_signal, &shseat->seat_destroy_listener);
wl_list_init(&shseat->keyboard_focus_listener.link);
shseat->pointer_focus_listener.notify =
ivi_shell_seat_handle_pointer_focus;
wl_list_init(&shseat->pointer_focus_listener.link);
shseat->caps_changed_listener.notify =
ivi_shell_seat_handle_caps_changed;
wl_signal_add(&seat->updated_caps_signal, &shseat->caps_changed_listener);
ivi_shell_seat_handle_caps_changed(&shseat->caps_changed_listener, NULL);
return shseat;
}
static void
ivi_shell_handle_seat_created(struct wl_listener *listener, void *data)
{
struct weston_seat *seat = data;
struct ivi_compositor *ivi =
container_of(listener, struct ivi_compositor, seat_created_listener);
weston_log("Cursor is %s\n", ivi->hide_cursor ? "set" : "not set");
ivi_shell_seat_create(seat, ivi->hide_cursor);
}
/*
* useful to reset the fact that 'new' capabilities have seent
*/
void
ivi_seat_reset_caps_sent(struct ivi_compositor *ivi)
{
struct weston_compositor *ec = ivi->compositor;
struct weston_seat *seat;
wl_list_for_each(seat, &ec->seat_list, link) {
struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(seat);
ivi_seat->new_caps_sent = false;
}
}
void
ivi_seat_init(struct ivi_compositor *ivi)
{
struct weston_compositor *ec = ivi->compositor;
struct weston_seat *seat;
wl_list_for_each(seat, &ec->seat_list, link) {
weston_log("Seat %p, cursor is %s\n", seat, ivi->hide_cursor ?
"set" : "not set");
ivi_shell_seat_create(seat, ivi->hide_cursor);
}
ivi->seat_created_listener.notify = ivi_shell_handle_seat_created;
wl_signal_add(&ec->seat_created_signal, &ivi->seat_created_listener);
}
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