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#![cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd"))]
use std::os::raw::c_ulong;
use libc;
use Window;
use platform::Window as LinuxWindow;
use WindowBuilder;
/// Additional methods on `Window` that are specific to Unix.
pub trait WindowExt {
/// Returns a pointer to the `Window` object of xlib that is used by this window.
///
/// Returns `None` if the window doesn't use xlib (if it uses wayland for example).
///
/// The pointer will become invalid when the glutin `Window` is destroyed.
fn get_xlib_window(&self) -> Option<*mut libc::c_void>;
/// Returns a pointer to the `Display` object of xlib that is used by this window.
///
/// Returns `None` if the window doesn't use xlib (if it uses wayland for example).
///
/// The pointer will become invalid when the glutin `Window` is destroyed.
fn get_xlib_display(&self) -> Option<*mut libc::c_void>;
}
impl WindowExt for Window {
#[inline]
fn get_xlib_window(&self) -> Option<*mut libc::c_void> {
match self.window {
LinuxWindow::X(ref w) => Some(w.get_xlib_window()),
_ => None
}
}
#[inline]
fn get_xlib_display(&self) -> Option<*mut libc::c_void> {
match self.window {
LinuxWindow::X(ref w) => Some(w.get_xlib_display()),
_ => None
}
}
}
/// Additional methods on `WindowBuilder` that are specific to Unix.
pub trait WindowBuilderExt<'a> {
fn from_existing_window(mut self, window_id: c_ulong) -> WindowBuilder<'a>;
}
impl<'a> WindowBuilderExt<'a> for WindowBuilder<'a> {
/// Tells this (UNIX/X11) WindowBuilder to use an existing X window (eg,
/// one created by another application) instead of creating a new window.
fn from_existing_window(mut self, window_id: c_ulong) -> WindowBuilder<'a> {
self.platform_specific.existing_x11_window_id = Some(window_id);
self
}
}
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