raw_window_handle_ffi/handles/
win32.rs

1use crate::{RawWindowHandle, RawWindowHandleData};
2use std::num::NonZero;
3
4/// raw_window_handle_ffi:
5///         This type is ABI-stable and FFI-compatible analogue for [`raw_window_handle::Win32WindowHandle`].
6///         Can be converted to and from the referenced type.
7#[repr(C)]
8#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
9pub struct Win32WindowHandle {
10    /// A Win32 `HWND` handle.
11    pub hwnd: NonZero<isize>,
12    /// The `GWLP_HINSTANCE` associated with this type's `HWND`.
13    pub hinstance: Option<NonZero<isize>>,
14}
15
16unsafe impl Send for Win32WindowHandle {}
17unsafe impl Sync for Win32WindowHandle {}
18
19impl From<raw_window_handle::Win32WindowHandle> for Win32WindowHandle {
20    fn from(value: raw_window_handle::Win32WindowHandle) -> Self {
21        Self {
22            hwnd: value.hwnd,
23            hinstance: value.hinstance,
24        }
25    }
26}
27
28impl Win32WindowHandle {
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::Win32WindowHandle {
35        let mut result = raw_window_handle::Win32WindowHandle::new(self.hwnd);
36        result.hinstance = self.hinstance;
37        result
38    }
39}
40
41impl From<Win32WindowHandle> for RawWindowHandle {
42    fn from(val: Win32WindowHandle) -> RawWindowHandle {
43        RawWindowHandle {
44            kind: crate::RawWindowHandleKind::Win32WindowHandle,
45            data: RawWindowHandleData { win32: val },
46        }
47    }
48}
raw_window_handle_ffi/handles/win32.rs

raw_window_handle_ffi/handles/
win32.rs
