raw_window_handle_ffi/handles/
xcb.rs

1use crate::{RawWindowHandle, RawWindowHandleData};
2use std::num::NonZeroU32;
3
4/// raw_window_handle_ffi:
5///         This type is ABI-stable and FFI-compatible analogue for [`raw_window_handle::XcbWindowHandle`].
6///         Can be converted to and from the referenced type.
7#[repr(C)]
8#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
9pub struct XcbWindowHandle {
10    /// An X11 `xcb_window_t`.
11    pub window: NonZeroU32, // Based on xproto.h
12    /// An X11 `xcb_visualid_t`.
13    pub visual_id: Option<NonZeroU32>,
14}
15
16unsafe impl Send for XcbWindowHandle {}
17unsafe impl Sync for XcbWindowHandle {}
18
19impl From<raw_window_handle::XcbWindowHandle> for XcbWindowHandle {
20    fn from(value: raw_window_handle::XcbWindowHandle) -> Self {
21        Self {
22            window: value.window,
23            visual_id: value.visual_id,
24        }
25    }
26}
27
28impl XcbWindowHandle {
29    /// Converts FFI type back to the original [`raw_window_handle::AppKitWindowHandle`].
30    ///
31    /// # Safety
32    /// Original type [`raw_window_handle::AppKitWindowHandle`] is marked as `non_exaustive`,
33    /// and therefore it is impossible to convert to it completely safely.
34    pub unsafe fn into(self) -> raw_window_handle::XcbWindowHandle {
35        let mut result = raw_window_handle::XcbWindowHandle::new(self.window);
36        result.visual_id = self.visual_id;
37        result
38    }
39}
40
41impl From<XcbWindowHandle> for RawWindowHandle {
42    fn from(val: XcbWindowHandle) -> RawWindowHandle {
43        RawWindowHandle {
44            kind: crate::RawWindowHandleKind::XcbWindowHandle,
45            data: RawWindowHandleData { xcb: val },
46        }
47    }
48}