Method setEventMask

server/GLXDrawableHash.h:72–77

			}

			void setEventMask(GLXDrawable draw, unsigned long eventMask)
			{
				if(!draw) THROW("Invalid argument");
				GLXDrawableAttribs *attribs = HASH::find(draw, NULL);
				if(attribs) attribs->eventMask = eventMask;
			}

			unsigned long getEventMask(GLXDrawable draw)
			{