/// <summary>
/// Returns a description of the error code.
/// </summary>
/// <param name="DisplayHandle">
/// A <see cref="IntPtr"/> that specifies the handle of the display on which the error occurred.
/// </param>
/// <param name="error_event">
/// A <see cref="Glx.XErrorEvent"/> that describe the error.
/// </param>
/// <returns>
/// It returns a description of <paramref name="error_event"/>.
/// </returns>
private static string GetErrorMessage(IntPtr DisplayHandle, ref Glx.XErrorEvent error_event)
{
StringBuilder sb = new StringBuilder(1024);
Glx.UnsafeNativeMethods.XGetErrorText(DisplayHandle, error_event.error_code, sb, 1024);
string eventName = Enum.GetName(typeof(Glx.XEventName), error_event.type);
string requestName = Enum.GetName(typeof(Glx.XRequest), error_event.request_code);
if (String.IsNullOrEmpty(eventName))
{
eventName = "Unknown";
}
if (String.IsNullOrEmpty(requestName))
{
requestName = "Unknown";
}
// Additional details
sb.AppendLine("\nX error details:");
sb.AppendFormat(" X event name: '{0}' ({1})\n", eventName, error_event.type);
sb.AppendFormat(" Display: 0x{0}\n", error_event.display.ToInt64().ToString("x"));
sb.AppendFormat(" Resource ID: {0}\n", error_event.resourceid.ToInt64().ToString("x"));
sb.AppendFormat(" Error code: {0}\n", error_event.error_code);
sb.AppendFormat(" Major code: '{0}' ({1})\n", requestName, error_event.request_code);
sb.AppendFormat(" Minor code: {0}", error_event.minor_code);
return(sb.ToString());
}
/// <summary>
/// The XServer error handler, invoked each time a X/GLX routine raise an error.
/// </summary>
/// <param name="displayHandle">
/// A <see cref="IntPtr"/> that specifies the handle of the display on which the error occurred.
/// </param>
/// <param name="error_event">
/// A <see cref="Glx.XErrorEvent"/> that describe the error.
/// </param>
/// <returns>
/// It returns always 0.
/// </returns>
private static int XServerErrorHandler(IntPtr displayHandle, ref Glx.XErrorEvent error_event)
{
lock (_DisplayErrorsLock) {
_DisplayErrors[displayHandle] = new GlxException(displayHandle, ref error_event);
}
return(0);
}
public void GlxException_Constructor1(Glx.XErrorEvent errorCode)
{
GlxException glxException = null;
Assert.DoesNotThrow(() => glxException = new GlxException(IntPtr.Zero, ref errorCode));
Assert.AreEqual(errorCode, glxException.ErrorCode);
Assert.IsNotNull(glxException.Message);
}
/// <summary>
/// Construct a GlxException.
/// </summary>
/// <param name="displayHandle">
/// A <see cref="IntPtr"/> that specifies the handle of the display on which the error occurred.
/// </param>
/// <param name="error_event">
/// A <see cref="Glx.XErrorEvent"/> that describe the error.
/// </param>
/// <param name="message">
/// A <see cref="String"/> that specifies the exception message.
/// </param>
/// <param name="innerException">
/// The <see cref="Exception"/> wrapped by this Exception.
/// </param>
public GlxException(IntPtr displayHandle, ref Glx.XErrorEvent error_event, String message, Exception innerException) :
base(error_event.error_code, message, innerException)
{
}
/// <summary>
/// Construct a GlxException.
/// </summary>
/// <param name="displayHandle">
/// A <see cref="IntPtr"/> that specifies the handle of the display on which the error occurred.
/// </param>
/// <param name="error_event">
/// A <see cref="Glx.XErrorEvent"/> that describe the error.
/// </param>
/// <param name="message">
/// A <see cref="String"/> that specifies the exception message.
/// </param>
public GlxException(IntPtr displayHandle, ref Glx.XErrorEvent error_event, String message) :
base(error_event.error_code, message, new Win32Exception(error_event.error_code, GetErrorMessage(displayHandle, ref error_event)))
{
}
/// <summary>
/// Construct a GlxException.
/// </summary>
/// <param name="displayHandle">
/// A <see cref="IntPtr"/> that specifies the handle of the display on which the error occurred.
/// </param>
/// <param name="errorEvent">
/// A <see cref="Glx.XErrorEvent"/> that describe the error.
/// </param>
internal GlxException(IntPtr displayHandle, ref Glx.XErrorEvent errorEvent) :
base(errorEvent.error_code, GetErrorMessage(displayHandle, ref errorEvent), new Win32Exception(errorEvent.error_code, GetErrorMessage(displayHandle, ref errorEvent)))
{
}
