1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91

//! Bindings to the client library `libwayland-client.so`
//!
//! The generated handle is named `WAYLAND_CLIENT_HANDLE`

use std::os::raw::{c_char, c_void, c_int};

use super::common::*;

pub enum wl_proxy { }
pub enum wl_display { }
pub enum wl_event_queue { }

external_library!(WaylandClient, "wayland-client",
    functions:
    // display creation and destruction
        fn wl_display_connect_to_fd(c_int) -> *mut wl_display,
        fn wl_display_connect(*const c_char) -> *mut wl_display,
        fn wl_display_disconnect(*mut wl_display) -> (),
        fn wl_display_get_fd(*mut wl_display) -> c_int,
    // display events handling
        fn wl_display_roundtrip(*mut wl_display) -> c_int,
        fn wl_display_read_events(*mut wl_display) -> c_int,
        fn wl_display_prepare_read(*mut wl_display) -> c_int,
        fn wl_display_cancel_read(*mut wl_display) -> (),
        fn wl_display_dispatch(*mut wl_display) -> c_int,
        fn wl_display_dispatch_pending(*mut wl_display) -> c_int,
    // error handling
        fn wl_display_get_error(*mut wl_display) -> c_int,
        fn wl_display_get_protocol_error(*mut wl_display, *mut *mut wl_interface, *mut u32) -> u32,
    // requests handling
        fn wl_display_flush(*mut wl_display) -> c_int,

    // event queues
        fn wl_event_queue_destroy(*mut wl_event_queue) -> (),
        fn wl_display_create_queue(*mut wl_display) -> *mut wl_event_queue,
        fn wl_display_roundtrip_queue(*mut wl_display, *mut wl_event_queue) -> c_int,
        fn wl_display_prepare_read_queue(*mut wl_display, *mut wl_event_queue) -> c_int,
        fn wl_display_dispatch_queue(*mut wl_display, *mut wl_event_queue) -> c_int,
        fn wl_display_dispatch_queue_pending(*mut wl_display, *mut wl_event_queue) -> c_int,

    // proxys
        fn wl_proxy_create(*mut wl_proxy, *const wl_interface) -> *mut wl_proxy,
        fn wl_proxy_destroy(*mut wl_proxy) -> (),
        fn wl_proxy_add_listener(*mut wl_proxy, *mut extern fn(), *mut c_void) -> c_int,
        fn wl_proxy_get_listener(*mut wl_proxy) -> *const c_void,
        fn wl_proxy_add_dispatcher(*mut wl_proxy, wl_dispatcher_func_t, *const c_void, *mut c_void) -> c_int,
        fn wl_proxy_marshal_array_constructor(*mut wl_proxy, u32, *mut wl_argument, *const wl_interface) -> c_int,

        fn wl_proxy_marshal_array(*mut wl_proxy, u32, *mut wl_argument ) -> (),
        fn wl_proxy_set_user_data(*mut wl_proxy, *mut c_void) -> (),
        fn wl_proxy_get_user_data(*mut wl_proxy) -> *mut c_void,
        fn wl_proxy_get_id(*mut wl_proxy) -> u32,
        fn wl_proxy_get_class(*mut wl_proxy) -> *const c_char,
        fn wl_proxy_set_queue(*mut wl_proxy, *mut wl_event_queue) -> (),

    // log
        fn wl_log_set_handler_client(wl_log_func_t) -> (),

    // lists
        fn wl_list_init(*mut wl_list) -> (),
        fn wl_list_insert(*mut wl_list, *mut wl_list) -> (),
        fn wl_list_remove(*mut wl_list) -> (),
        fn wl_list_length(*const wl_list) -> c_int,
        fn wl_list_empty(*const wl_list) -> c_int,
        fn wl_list_insert_list(*mut wl_list,*mut wl_list) -> (),

    // arrays
        fn wl_array_init(*mut wl_array) -> (),
        fn wl_array_release(*mut wl_array) -> (),
        fn wl_array_add(*mut wl_array,usize) -> (),
        fn wl_array_copy(*mut wl_array, *mut wl_array) -> (),

    varargs:
        fn wl_proxy_marshal_constructor(*mut wl_proxy, u32, *const wl_interface) -> *mut wl_proxy,
        fn wl_proxy_marshal(*mut wl_proxy, u32) -> (),
);

#[cfg(feature = "dlopen")]
lazy_static!(
    pub static ref WAYLAND_CLIENT_OPTION: Option<WaylandClient> = { 
        WaylandClient::open("libwayland-client.so").ok()
    };
    pub static ref WAYLAND_CLIENT_HANDLE: &'static WaylandClient = {
        WAYLAND_CLIENT_OPTION.as_ref().expect("Library libwayland-client.so could not be loaded.")
    };
);

#[cfg(not(feature = "dlopen"))]
pub fn is_lib_available() -> bool { true }
#[cfg(feature = "dlopen")]
pub fn is_lib_available() -> bool { WAYLAND_CLIENT_OPTION.is_some() }