raw_window_handle/
haiku.rs

1use core::ffi::c_void;
2use core::ptr::NonNull;
3
4use super::DisplayHandle;
5
6/// Raw display handle for Haiku.
7#[non_exhaustive]
8#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
9pub struct HaikuDisplayHandle {}
10
11impl HaikuDisplayHandle {
12    /// Create a new empty display handle.
13    ///
14    ///
15    /// # Example
16    ///
17    /// ```
18    /// # use raw_window_handle::HaikuDisplayHandle;
19    /// let handle = HaikuDisplayHandle::new();
20    /// ```
21    pub fn new() -> Self {
22        Self {}
23    }
24}
25
26impl DisplayHandle<'static> {
27    /// Create an Haiku-based display handle.
28    ///
29    /// As no data is borrowed by this handle, it is completely safe to create. This function
30    /// may be useful to windowing framework implementations that want to avoid unsafe code.
31    ///
32    /// # Example
33    ///
34    /// ```
35    /// # use raw_window_handle::{DisplayHandle, HasDisplayHandle};
36    /// # fn do_something(rwh: impl HasDisplayHandle) { let _ = rwh; }
37    /// let handle = DisplayHandle::haiku();
38    /// do_something(handle);
39    /// ```
40    pub fn haiku() -> Self {
41        // SAFETY: No data is borrowed.
42        unsafe { Self::borrow_raw(HaikuDisplayHandle::new().into()) }
43    }
44}
45
46/// Raw window handle for Haiku.
47#[non_exhaustive]
48#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
49pub struct HaikuWindowHandle {
50    /// A pointer to a BWindow object
51    pub b_window: NonNull<c_void>,
52    /// A pointer to a BDirectWindow object that might be null
53    pub b_direct_window: Option<NonNull<c_void>>,
54}
55
56impl HaikuWindowHandle {
57    /// Create a new handle to a window.
58    ///
59    ///
60    /// # Example
61    ///
62    /// ```
63    /// # use core::ptr::NonNull;
64    /// # use raw_window_handle::HaikuWindowHandle;
65    /// # type BWindow = ();
66    /// #
67    /// let b_window: NonNull<BWindow>;
68    /// # b_window = NonNull::from(&());
69    /// let mut handle = HaikuWindowHandle::new(b_window.cast());
70    /// // Optionally set `b_direct_window`.
71    /// handle.b_direct_window = None;
72    /// ```
73    pub fn new(b_window: NonNull<c_void>) -> Self {
74        Self {
75            b_window,
76            b_direct_window: None,
77        }
78    }
79}
raw_window_handle/haiku.rs

raw_window_handle/
haiku.rs
