Merge pull request #23 from ozkriff/port_glutin_to_winit

Prepared winit for glutin porting

src/api/cocoa/mod.rs

@@ -11,22 +11,15 @@ use os::macos::ActivationPolicy;
 use objc::runtime::{Class, Object, Sel, BOOL, YES, NO};
 use objc::declare::ClassDecl;
 
-use cgl::{CGLEnable, kCGLCECrashOnRemovedFunctions, CGLSetParameter, kCGLCPSurfaceOpacity};
-
 use cocoa::base::{id, nil};
 use cocoa::foundation::{NSAutoreleasePool, NSDate, NSDefaultRunLoopMode, NSPoint, NSRect, NSSize,
                         NSString, NSUInteger};
-use cocoa::appkit::{self, NSApplication, NSEvent, NSOpenGLContext, NSOpenGLPixelFormat, NSView, NSWindow};
-
-use core_foundation::base::TCFType;
-use core_foundation::string::CFString;
-use core_foundation::bundle::{CFBundleGetBundleWithIdentifier, CFBundleGetFunctionPointerForName};
+use cocoa::appkit::{self, NSApplication, NSEvent, NSView, NSWindow};
 
 use core_graphics::display::{CGAssociateMouseAndMouseCursorPosition, CGMainDisplayID, CGDisplayPixelsHigh, CGWarpMouseCursorPosition};
 
 use std::ffi::CStr;
 use std::collections::VecDeque;
-use std::str::FromStr;
 use std::str::from_utf8;
 use std::sync::Mutex;
 use std::ops::Deref;

src/api/x11/window.rs

@@ -717,6 +717,16 @@ impl Window {
         self.x.display.display as *mut libc::c_void
     }
 
+    #[inline]
+    pub fn get_xlib_screen_id(&self) -> *mut libc::c_void {
+        self.x.screen_id as *mut libc::c_void
+    }
+
+    #[inline]
+    pub fn get_xlib_xconnection(&self) -> Arc<XConnection> {
+        self.x.display.clone()
+    }
+
     #[inline]
     pub fn platform_display(&self) -> *mut libc::c_void {
         self.x.display.display as *mut libc::c_void

src/os/unix.rs

@@ -1,13 +1,17 @@
 #![cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd"))]
 
+use std::sync::Arc;
 use libc;
 use Window;
 use platform::Window as LinuxWindow;
 use WindowBuilder;
+use api::x11::XConnection;
 
 use wayland_client::protocol::wl_display::WlDisplay;
 use wayland_client::protocol::wl_surface::WlSurface;
 
+pub use api::x11;
+
 /// 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.
@@ -23,8 +27,11 @@ pub trait WindowExt {
     ///
     /// The pointer will become invalid when the glutin `Window` is destroyed.
     fn get_xlib_display(&self) -> Option<*mut libc::c_void>;
+
+    fn get_xlib_screen_id(&self) -> Option<*mut libc::c_void>;
+
+    fn get_xlib_xconnection(&self) -> Option<Arc<XConnection>>;
     
-    ///
     /// This function returns the underlying `xcb_connection_t` of an xlib `Display`.
     ///
     /// Returns `None` if the window doesn't use xlib (if it uses wayland for example).
@@ -82,6 +89,20 @@ impl WindowExt for Window {
         }
     }
 
+    fn get_xlib_screen_id(&self) -> Option<*mut libc::c_void> {
+        match self.window {
+            LinuxWindow::X(ref w) => Some(w.get_xlib_screen_id()),
+            _ => None
+        }
+    }
+
+    fn get_xlib_xconnection(&self) -> Option<Arc<XConnection>> {
+        match self.window {
+            LinuxWindow::X(ref w) => Some(w.get_xlib_xconnection()),
+            _ => None
+        }
+    }
+
     fn get_xcb_connection(&self) -> Option<*mut libc::c_void> {
         match self.window {
             LinuxWindow::X(ref w) => Some(w.get_xcb_connection()),