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use core::ffi::c_void;
use core::num::NonZeroIsize;
use core::ptr::NonNull;
/// Raw display handle for Windows.
///
/// It can be used regardless of Windows window backend.
#[non_exhaustive]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct WindowsDisplayHandle {}
impl WindowsDisplayHandle {
/// Create a new empty display handle.
///
///
/// # Example
///
/// ```
/// # use raw_window_handle::WindowsDisplayHandle;
/// let handle = WindowsDisplayHandle::new();
/// ```
pub fn new() -> Self {
Self {}
}
}
/// Raw window handle for Win32.
#[non_exhaustive]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct Win32WindowHandle {
/// A Win32 `HWND` handle.
pub hwnd: NonZeroIsize,
/// The `GWLP_HINSTANCE` associated with this type's `HWND`.
pub hinstance: Option<NonZeroIsize>,
}
impl Win32WindowHandle {
/// Create a new handle to a window.
///
///
/// # Example
///
/// ```
/// # use core::num::NonZeroIsize;
/// # use raw_window_handle::Win32WindowHandle;
/// # struct HWND(isize);
/// #
/// let window: HWND;
/// # window = HWND(1);
/// let mut handle = Win32WindowHandle::new(NonZeroIsize::new(window.0).unwrap());
/// // Optionally set the GWLP_HINSTANCE.
/// # #[cfg(only_for_showcase)]
/// let hinstance = NonZeroIsize::new(unsafe { GetWindowLongPtrW(window, GWLP_HINSTANCE) }).unwrap();
/// # let hinstance = None;
/// handle.hinstance = hinstance;
/// ```
pub fn new(hwnd: NonZeroIsize) -> Self {
Self {
hwnd,
hinstance: None,
}
}
}
/// Raw window handle for WinRT.
#[non_exhaustive]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct WinRtWindowHandle {
/// A WinRT `CoreWindow` handle.
pub core_window: NonNull<c_void>,
}
impl WinRtWindowHandle {
/// Create a new handle to a window.
///
///
/// # Example
///
/// ```
/// # use core::ptr::NonNull;
/// # use raw_window_handle::WinRtWindowHandle;
/// # type CoreWindow = ();
/// #
/// let window: NonNull<CoreWindow>;
/// # window = NonNull::from(&());
/// let handle = WinRtWindowHandle::new(window.cast());
/// ```
pub fn new(core_window: NonNull<c_void>) -> Self {
Self { core_window }
}
}
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