x11: Improve xlib error reporting

This commit is contained in:
Emilio Cobos Álvarez 2015-12-14 23:05:07 +01:00
parent 4f0aeafbed
commit a69ded9c8a
2 changed files with 22 additions and 13 deletions

View file

@ -23,24 +23,18 @@ pub struct XConnection {
unsafe impl Send for XConnection {}
unsafe impl Sync for XConnection {}
pub type XErrorHandler = Option<unsafe extern fn(*mut ffi::Display, *mut ffi::XErrorEvent) -> libc::c_int>;
impl XConnection {
pub fn new() -> Result<XConnection, XNotSupported> {
pub fn new(error_handler: XErrorHandler) -> Result<XConnection, XNotSupported> {
// opening the libraries
let xlib = try!(ffi::Xlib::open());
let xcursor = try!(ffi::Xcursor::open());
let xf86vmode = try!(ffi::Xf86vmode::open());
let xinput2 = try!(ffi::XInput2::open());
unsafe extern "C" fn x_error_callback(_: *mut ffi::Display, event: *mut ffi::XErrorEvent)
-> libc::c_int
{
println!("[glutin] x error code={} major={} minor={}!", (*event).error_code,
(*event).request_code, (*event).minor_code);
0
}
unsafe { (xlib.XInitThreads)() };
unsafe { (xlib.XSetErrorHandler)(Some(x_error_callback)) };
unsafe { (xlib.XSetErrorHandler)(error_handler) };
// TODO: use something safer than raw "dlopen"
let glx = {