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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

use std::os::raw;

use crate::{
    event_loop::{EventLoopBuilder, EventLoopWindowTarget},
    monitor::MonitorHandle,
    window::{Window, WindowBuilder},
};

use crate::platform_impl::{
    ApplicationName, Backend, EventLoopWindowTarget as LinuxEventLoopWindowTarget,
    Window as LinuxWindow,
};

pub use crate::window::Theme;

/// Additional methods on [`EventLoopWindowTarget`] that are specific to Wayland.
pub trait EventLoopWindowTargetExtWayland {
    /// True if the [`EventLoopWindowTarget`] uses Wayland.
    fn is_wayland(&self) -> bool;

    /// Returns a pointer to the `wl_display` object of wayland that is used by this
    /// [`EventLoopWindowTarget`].
    ///
    /// Returns `None` if the [`EventLoop`] doesn't use wayland (if it uses xlib for example).
    ///
    /// The pointer will become invalid when the winit [`EventLoop`] is destroyed.
    ///
    /// [`EventLoop`]: crate::event_loop::EventLoop
    fn wayland_display(&self) -> Option<*mut raw::c_void>;
}

impl<T> EventLoopWindowTargetExtWayland for EventLoopWindowTarget<T> {
    #[inline]
    fn is_wayland(&self) -> bool {
        self.p.is_wayland()
    }

    #[inline]
    fn wayland_display(&self) -> Option<*mut raw::c_void> {
        match self.p {
            LinuxEventLoopWindowTarget::Wayland(ref p) => {
                Some(p.display().get_display_ptr() as *mut _)
            }
            #[cfg(x11_platform)]
            _ => None,
        }
    }
}

/// Additional methods on [`EventLoopBuilder`] that are specific to Wayland.
pub trait EventLoopBuilderExtWayland {
    /// Force using Wayland.
    fn with_wayland(&mut self) -> &mut Self;

    /// Whether to allow the event loop to be created off of the main thread.
    ///
    /// By default, the window is only allowed to be created on the main
    /// thread, to make platform compatibility easier.
    fn with_any_thread(&mut self, any_thread: bool) -> &mut Self;
}

impl<T> EventLoopBuilderExtWayland for EventLoopBuilder<T> {
    #[inline]
    fn with_wayland(&mut self) -> &mut Self {
        self.platform_specific.forced_backend = Some(Backend::Wayland);
        self
    }

    #[inline]
    fn with_any_thread(&mut self, any_thread: bool) -> &mut Self {
        self.platform_specific.any_thread = any_thread;
        self
    }
}

/// Additional methods on [`Window`] that are specific to Wayland.
pub trait WindowExtWayland {
    /// Returns a pointer to the `wl_surface` object of wayland that is used by this window.
    ///
    /// Returns `None` if the window doesn't use wayland (if it uses xlib for example).
    ///
    /// The pointer will become invalid when the [`Window`] is destroyed.
    fn wayland_surface(&self) -> Option<*mut raw::c_void>;

    /// Returns a pointer to the `wl_display` object of wayland that is used by this window.
    ///
    /// Returns `None` if the window doesn't use wayland (if it uses xlib for example).
    ///
    /// The pointer will become invalid when the [`Window`] is destroyed.
    fn wayland_display(&self) -> Option<*mut raw::c_void>;
}

impl WindowExtWayland for Window {
    #[inline]
    fn wayland_surface(&self) -> Option<*mut raw::c_void> {
        match self.window {
            LinuxWindow::Wayland(ref w) => Some(w.surface().as_ref().c_ptr() as *mut _),
            #[cfg(x11_platform)]
            _ => None,
        }
    }

    #[inline]
    fn wayland_display(&self) -> Option<*mut raw::c_void> {
        match self.window {
            LinuxWindow::Wayland(ref w) => Some(w.display().get_display_ptr() as *mut _),
            #[cfg(x11_platform)]
            _ => None,
        }
    }
}

/// Additional methods on [`WindowBuilder`] that are specific to Wayland.
pub trait WindowBuilderExtWayland {
    /// Build window with the given name.
    ///
    /// The `general` name sets an application ID, which should match the `.desktop`
    /// file destributed with your program. The `instance` is a `no-op`.
    ///
    /// For details about application ID conventions, see the
    /// [Desktop Entry Spec](https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html#desktop-file-id)
    fn with_name(self, general: impl Into<String>, instance: impl Into<String>) -> Self;
}

impl WindowBuilderExtWayland for WindowBuilder {
    #[inline]
    fn with_name(mut self, general: impl Into<String>, instance: impl Into<String>) -> Self {
        self.platform_specific.name = Some(ApplicationName::new(general.into(), instance.into()));
        self
    }
}

/// Additional methods on `MonitorHandle` that are specific to Wayland.
pub trait MonitorHandleExtWayland {
    /// Returns the inner identifier of the monitor.
    fn native_id(&self) -> u32;
}

impl MonitorHandleExtWayland for MonitorHandle {
    #[inline]
    fn native_id(&self) -> u32 {
        self.inner.native_identifier()
    }
}