From 310b44f35be8146623d8e5fbbe380ae14f30de72 Mon Sep 17 00:00:00 2001
From: Victor Berger <victor.berger@m4x.org>
Date: Tue, 12 May 2015 22:47:34 +0200
Subject: Make platform::linux generic over X11 and Wayland.

---
 src/api/glx/mod.rs     | 11 ++++++++---
 src/api/wayland/mod.rs |  4 ++++
 src/api/x11/mod.rs     | 12 +++++++-----
 3 files changed, 19 insertions(+), 8 deletions(-)

(limited to 'src/api')

diff --git a/src/api/glx/mod.rs b/src/api/glx/mod.rs
index 9cda90e..3c0c8a0 100644
--- a/src/api/glx/mod.rs
+++ b/src/api/glx/mod.rs
@@ -14,6 +14,8 @@ use std::{mem, ptr};
 
 use api::x11::ffi;
 
+use platform::Window as PlatformWindow;
+
 pub struct Context {
     glx: ffi::glx::Glx,
     display: *mut ffi::Display,
@@ -80,9 +82,12 @@ impl Context {
             });
 
             let share = if let Some(win) = builder.sharing {
-                match win.x.context {
-                    ::api::x11::Context::Glx(ref c) => c.context,
-                    _ => panic!("Cannot share contexts between different APIs")
+                match win {
+                    &PlatformWindow::X(ref win) => match win.x.context {
+                        ::api::x11::Context::Glx(ref c) => c.context,
+                        _ => panic!("Cannot share contexts between different APIs")
+                    },
+                    _ => panic!("Cannot use glx on a non-X11 window.")
                 }
             } else {
                 ptr::null()
diff --git a/src/api/wayland/mod.rs b/src/api/wayland/mod.rs
index f70d62e..4fd0357 100644
--- a/src/api/wayland/mod.rs
+++ b/src/api/wayland/mod.rs
@@ -147,6 +147,10 @@ lazy_static! {
     };
 }
 
+pub fn is_available() -> bool {
+    WAYLAND_CONTEXT.is_some()
+}
+
 pub struct Window {
     shell_surface: ShellSurface<EGLSurface>,
     pending_events: Arc<Mutex<VecDeque<Event>>>,
diff --git a/src/api/x11/mod.rs b/src/api/x11/mod.rs
index 0dcf85b..30adadc 100644
--- a/src/api/x11/mod.rs
+++ b/src/api/x11/mod.rs
@@ -21,6 +21,8 @@ use api::dlopen;
 use api::glx::Context as GlxContext;
 use api::egl::Context as EglContext;
 
+use platform::MonitorID as PlatformMonitorID;
+
 pub use self::monitor::{MonitorID, get_available_monitors, get_primary_monitor};
 
 mod events;
@@ -310,9 +312,9 @@ pub struct Window {
 
 impl Window {
     pub fn new(builder: BuilderAttribs) -> Result<Window, CreationError> {
-        let xlib = ffi::Xlib::open().unwrap();        // FIXME: gracious handling
-        let xcursor = ffi::Xcursor::open().unwrap();        // FIXME: gracious handling
-        let xf86vmode = ffi::Xf86vmode::open().unwrap();        // FIXME: gracious handling
+        let xlib = try!(ffi::Xlib::open().map_err(|_| CreationError::NotSupported));
+        let xcursor = try!(ffi::Xcursor::open().map_err(|_| CreationError::NotSupported));
+        let xf86vmode = try!(ffi::Xf86vmode::open().map_err(|_| CreationError::NotSupported));
 
         let glx = {
             let mut libglx = unsafe { dlopen::dlopen(b"libGL.so.1\0".as_ptr() as *const _, dlopen::RTLD_NOW) };
@@ -342,8 +344,8 @@ impl Window {
         };
 
         let screen_id = match builder.monitor {
-            Some(MonitorID(monitor)) => monitor as i32,
-            None => unsafe { (xlib.XDefaultScreen)(display) },
+            Some(PlatformMonitorID::X(MonitorID(monitor))) => monitor as i32,
+            _ => unsafe { (xlib.XDefaultScreen)(display) },
         };
 
         // getting the FBConfig
-- 
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