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}
80