From a69ded9c8a77e8177e1bb972043cdd05371c564d Mon Sep 17 00:00:00 2001 From: Emilio Cobos Álvarez Date: Mon, 14 Dec 2015 23:05:07 +0100 Subject: x11: Improve xlib error reporting --- src/platform/linux/api_dispatch.rs | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'src/platform') diff --git a/src/platform/linux/api_dispatch.rs b/src/platform/linux/api_dispatch.rs index a3c3bf9..f39ae43 100644 --- a/src/platform/linux/api_dispatch.rs +++ b/src/platform/linux/api_dispatch.rs @@ -33,7 +33,7 @@ lazy_static!( if false && wayland::is_available() { Backend::Wayland } else { - match XConnection::new() { + match XConnection::new(Some(x_error_callback)) { Ok(x) => Backend::X(Arc::new(x)), Err(e) => Backend::Error(e), } @@ -115,7 +115,7 @@ impl MonitorId { match self { &MonitorId::X(ref m) => m.get_native_identifier(), &MonitorId::Wayland(ref m) => m.get_native_identifier(), - &MonitorId::None => unimplemented!() // FIXME: + &MonitorId::None => unimplemented!() // FIXME: } } @@ -124,7 +124,7 @@ impl MonitorId { match self { &MonitorId::X(ref m) => m.get_dimensions(), &MonitorId::Wayland(ref m) => m.get_dimensions(), - &MonitorId::None => (800, 600), // FIXME: + &MonitorId::None => (800, 600), // FIXME: } } } @@ -390,3 +390,18 @@ impl GlContext for Window { } } } + +unsafe extern "C" fn x_error_callback(dpy: *mut x11::ffi::Display, event: *mut x11::ffi::XErrorEvent) + -> libc::c_int +{ + use std::ffi::CStr; + + if let Backend::X(ref x) = *BACKEND { + let mut buff: Vec = Vec::with_capacity(1024); + (x.xlib.XGetErrorText)(dpy, (*event).error_code as i32, buff.as_mut_ptr() as *mut i8, buff.capacity() as i32); + let error = CStr::from_ptr(buff.as_mut_ptr() as *const i8).to_string_lossy(); + println!("[glutin] x error code={} major={} minor={}: {}!", (*event).error_code, (*event).request_code, (*event).minor_code, error); + } + + 0 +} -- cgit v1.2.3