pH/sommelier/sommelier-relative-pointer-manager.c

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2019-09-20 18:57:28 -04:00
// Copyright 2019 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sommelier.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wayland-server-core.h>
#include "relative-pointer-unstable-v1-server-protocol.h"
#include "relative-pointer-unstable-v1-client-protocol.h"
struct sl_host_relative_pointer_manager {
struct sl_context* ctx;
struct wl_resource* resource;
struct zwp_relative_pointer_manager_v1* proxy;
};
struct sl_host_relative_pointer {
struct sl_context* ctx;
struct wl_resource* resource;
struct zwp_relative_pointer_v1* proxy;
};
static void sl_relative_pointer_relative_motion(
void* data,
struct zwp_relative_pointer_v1* relative_pointer,
uint32_t utime_hi,
uint32_t utime_lo,
wl_fixed_t dx,
wl_fixed_t dy,
wl_fixed_t dx_unaccel,
wl_fixed_t dy_unaccel) {
struct sl_host_relative_pointer* host =
zwp_relative_pointer_v1_get_user_data(relative_pointer);
zwp_relative_pointer_v1_send_relative_motion(
host->resource, utime_hi, utime_lo, dx, dy, dx_unaccel, dy_unaccel);
}
static void sl_destroy_host_relative_pointer(struct wl_resource* resource) {
struct sl_host_relative_pointer* host = wl_resource_get_user_data(resource);
zwp_relative_pointer_v1_destroy(host->proxy);
wl_resource_set_user_data(resource, NULL);
free(host);
}
static void sl_relative_pointer_destroy(struct wl_client* client,
struct wl_resource* resource) {
wl_resource_destroy(resource);
}
static struct zwp_relative_pointer_v1_listener sl_relative_pointer_listener = {
sl_relative_pointer_relative_motion,
};
static struct zwp_relative_pointer_v1_interface
sl_relative_pointer_implementation = {
sl_relative_pointer_destroy,
};
static void sl_destroy_host_relative_pointer_manager(
struct wl_resource* resource) {
struct sl_host_relative_pointer_manager* host =
wl_resource_get_user_data(resource);
zwp_relative_pointer_manager_v1_destroy(host->proxy);
wl_resource_set_user_data(resource, NULL);
free(host);
}
static void sl_relative_pointer_manager_destroy(struct wl_client* client,
struct wl_resource* resource) {
wl_resource_destroy(resource);
}
static void sl_relative_pointer_manager_get_relative_pointer(
struct wl_client* client,
struct wl_resource* resource,
uint32_t id,
struct wl_resource* pointer) {
struct sl_host_relative_pointer_manager* host =
wl_resource_get_user_data(resource);
struct sl_host_pointer* host_pointer = wl_resource_get_user_data(pointer);
struct wl_resource* relative_pointer_resource =
wl_resource_create(client, &zwp_relative_pointer_v1_interface, 1, id);
struct sl_host_relative_pointer* relative_pointer_host;
relative_pointer_host = malloc(sizeof(*relative_pointer_host));
assert(relative_pointer_host);
relative_pointer_host->resource = relative_pointer_resource;
relative_pointer_host->ctx = host->ctx;
relative_pointer_host->proxy =
zwp_relative_pointer_manager_v1_get_relative_pointer(
host->ctx->relative_pointer_manager->internal, host_pointer->proxy);
wl_resource_set_implementation(
relative_pointer_resource, &sl_relative_pointer_implementation,
relative_pointer_host, sl_destroy_host_relative_pointer);
zwp_relative_pointer_v1_set_user_data(relative_pointer_host->proxy,
relative_pointer_host);
zwp_relative_pointer_v1_add_listener(relative_pointer_host->proxy,
&sl_relative_pointer_listener,
relative_pointer_host);
}
static struct zwp_relative_pointer_manager_v1_interface
sl_relative_pointer_manager_implementation = {
sl_relative_pointer_manager_destroy,
sl_relative_pointer_manager_get_relative_pointer,
};
static void sl_bind_host_relative_pointer_manager(struct wl_client* client,
void* data,
uint32_t version,
uint32_t id) {
struct sl_context* ctx = (struct sl_context*)data;
struct sl_relative_pointer_manager* relative_pointer_manager =
ctx->relative_pointer_manager;
struct sl_host_relative_pointer_manager* host;
host = malloc(sizeof(*host));
assert(host);
host->ctx = ctx;
host->resource = wl_resource_create(
client, &zwp_relative_pointer_manager_v1_interface, 1, id);
wl_resource_set_implementation(
host->resource, &sl_relative_pointer_manager_implementation, host,
sl_destroy_host_relative_pointer_manager);
host->proxy = wl_registry_bind(wl_display_get_registry(ctx->display),
relative_pointer_manager->id,
&zwp_relative_pointer_manager_v1_interface,
wl_resource_get_version(host->resource));
zwp_relative_pointer_manager_v1_set_user_data(host->proxy, host);
}
struct sl_global* sl_relative_pointer_manager_global_create(
struct sl_context* ctx) {
return sl_global_create(ctx, &zwp_relative_pointer_manager_v1_interface, 1,
ctx, sl_bind_host_relative_pointer_manager);
}