/*
 * WAYLANDDRV initialization code
 *
 * Copyright 2020 Alexandre Frantzis for Collabora Ltd
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#if 0
#pragma makedep unix
#endif

#include "config.h"

#include "ntstatus.h"
#define WIN32_NO_STATUS

#include "waylanddrv.h"

static const struct user_driver_funcs waylanddrv_funcs =
{
    .pDesktopWindowProc = WAYLAND_DesktopWindowProc,
    .pDestroyWindow = WAYLAND_DestroyWindow,
    .pUpdateDisplayDevices = WAYLAND_UpdateDisplayDevices,
    .pWindowMessage = WAYLAND_WindowMessage,
    .pWindowPosChanging = WAYLAND_WindowPosChanging
};

static NTSTATUS waylanddrv_unix_init(void *arg)
{
    /* Set the user driver functions now so that they are available during
     * our initialization. We clear them on error. */
    __wine_set_user_driver(&waylanddrv_funcs, WINE_GDI_DRIVER_VERSION);

    if (!wayland_process_init()) goto err;

    return 0;

err:
    __wine_set_user_driver(NULL, WINE_GDI_DRIVER_VERSION);
    return STATUS_UNSUCCESSFUL;
}

static NTSTATUS waylanddrv_unix_read_events(void *arg)
{
    while (wl_display_dispatch_queue(process_wayland.wl_display,
                                     process_wayland.wl_event_queue) != -1)
        continue;
    /* This function only returns on a fatal error, e.g., if our connection
     * to the Wayland server is lost. */
    return STATUS_UNSUCCESSFUL;
}

const unixlib_entry_t __wine_unix_call_funcs[] =
{
    waylanddrv_unix_init,
    waylanddrv_unix_read_events,
};

C_ASSERT(ARRAYSIZE(__wine_unix_call_funcs) == waylanddrv_unix_func_count);

#ifdef _WIN64

const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
{
    waylanddrv_unix_init,
    waylanddrv_unix_read_events,
};

C_ASSERT(ARRAYSIZE(__wine_unix_call_wow64_funcs) == waylanddrv_unix_func_count);

#endif /* _WIN64 */