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authorEmilio Cobos Álvarez <ecoal95@gmail.com>2015-12-14 23:05:07 +0100
committerEmilio Cobos Álvarez <ecoal95@gmail.com>2015-12-15 13:56:35 +0100
commita69ded9c8a77e8177e1bb972043cdd05371c564d (patch)
tree074dc496142c4364522bdef09aea0f38eb00a4bf
parent4f0aeafbed98e62515f5d10108f377a9b188cb4c (diff)
downloadglutin-a69ded9c8a77e8177e1bb972043cdd05371c564d.tar.gz
glutin-a69ded9c8a77e8177e1bb972043cdd05371c564d.zip
x11: Improve xlib error reporting
-rw-r--r--src/api/x11/xdisplay.rs14
-rw-r--r--src/platform/linux/api_dispatch.rs21
2 files changed, 22 insertions, 13 deletions
diff --git a/src/api/x11/xdisplay.rs b/src/api/x11/xdisplay.rs
index 2b77d9c..8205c66 100644
--- a/src/api/x11/xdisplay.rs
+++ b/src/api/x11/xdisplay.rs
@@ -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 = {
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<u8> = 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
+}