Minor fixes

src/x11/event_loop.rs

@@ -49,7 +49,7 @@ impl EventLoop {
     // the same.
     // NOTE: x11rb uses calloop under the hood, so that won't be an issue anymore once we switch to
     // it
-    pub fn run(&mut self) {
+    pub fn run(&mut self) -> Result<(), Box<dyn Error>> {
         use nix::poll::*;
 
         let xcb_fd = self.window.xcb_connection.file_descriptor();
@@ -74,7 +74,7 @@ impl EventLoop {
 
             // Check for any events in the internal buffers
             // before going to sleep:
-            self.drain_xcb_events();
+            self.drain_xcb_events()?;
 
             // FIXME: handle errors
             poll(&mut fds, next_frame.duration_since(Instant::now()).subsec_millis() as i32)
@@ -86,7 +86,7 @@ impl EventLoop {
                 }
 
                 if revents.contains(PollFlags::POLLIN) {
-                    self.drain_xcb_events();
+                    self.drain_xcb_events()?;
                 }
             }
 
@@ -107,6 +107,8 @@ impl EventLoop {
                 self.handle_must_close();
             }
         }
+
+        Ok(())
     }
 
     fn handle_close_requested(&mut self) {

src/x11/window.rs

@@ -2,7 +2,7 @@
 
 use std::cell::Cell;
 use std::error::Error;
-use std::rc::{Rc, Weak};
+use std::rc::Rc;
 use std::sync::mpsc;
 use std::thread;
 
@@ -100,7 +100,7 @@ impl Window {
 
         window_shared.x11_window.show(&window_shared.xcb_connection)?;
 
-        EventLoop::new(window_shared, handler, handle_receiver).run();
+        EventLoop::new(window_shared, handler, handle_receiver).run()?;
         Ok(())
     }
 
@@ -131,7 +131,7 @@ impl Window {
     }
 
     #[cfg(feature = "opengl")]
-    pub fn gl_context(&self) -> Option<Weak<crate::gl::platform::GlContext>> {
+    pub fn gl_context(&self) -> Option<std::rc::Weak<crate::gl::platform::GlContext>> {
         self.x11_window.gl_context()
     }
 

src/x11/x11_window.rs

@@ -3,7 +3,6 @@ use crate::x11::xcb_connection::XcbConnection;
 use crate::{MouseCursor, Size, WindowInfo, WindowOpenOptions, WindowScalePolicy};
 use raw_window_handle::XcbWindowHandle;
 use std::error::Error;
-use std::rc::{Rc, Weak};
 use x11rb::connection::Connection;
 use x11rb::protocol::xproto::{
     AtomEnum, ChangeWindowAttributesAux, ConfigureWindowAux, ConnectionExt, CreateGCAux,
@@ -20,7 +19,7 @@ pub(crate) struct X11Window {
     _graphics_context: Gcontext,
 
     #[cfg(feature = "opengl")]
-    gl_context: Option<Rc<crate::gl::x11::GlContext>>,
+    gl_context: Option<std::rc::Rc<crate::gl::x11::GlContext>>,
 }
 
 impl X11Window {
@@ -86,7 +85,7 @@ impl X11Window {
             gl_context: None,
         };
 
-        created_window.set_title(connection, &options.title);
+        created_window.set_title(connection, &options.title)?;
 
         // Register protocols
         connection.conn2.change_property32(
@@ -180,6 +179,7 @@ fn create_graphics_context(
 #[cfg(feature = "opengl")]
 const _: () = {
     use crate::gl::platform::GlContext;
+    use std::rc::{Rc, Weak};
 
     use std::ffi::c_ulong;