309 				if (!XPending(dpy)) {

   309 				if (!XPending(dpy)) {

   310 					// otherwise STDIN events are held until the first X11 event

   310 					// otherwise STDIN events are held until the first X11 event

   311 					logOutput << "trace: no pending X11 event" << std::endl;

   311 					logOutput << "trace: no pending X11 event" << std::endl;

   312 					break;

   312 					break;

   313 				}

   313 				}

   314 				XWindowAttributes gwa;

   315 				XWindowAttributes gwa;

   315 				XNextEvent(dpy, &xev);

   316 				XNextEvent(dpy, &xev);

   316 

   317 

   317 				if (xev.type == Expose) {

   318 				if (xev.type == Expose) {

   318 					std::cout << "XEvent: Expose" << std::endl;

   319 					std::cout << "XEvent: Expose" << std::endl;

   378 					std::cout << "XEvent: DestroyNotify → finish" << std::endl;

   379 					std::cout << "XEvent: DestroyNotify → finish" << std::endl;

   379 					break;

   380 					break;

   380 				} else {

   381 				} else {

   381 					std::cout << "XEvent: type=" << xev.type << std::endl;

   382 					std::cout << "XEvent: type=" << xev.type << std::endl;

   382 				}

   383 				}

   383 			} else if (epoll[epollEvent].data.fd == STDIN_FILENO) {

   385 			} else if (epoll[epollEvent].data.fd == STDIN_FILENO) {

   384 				int epollFD = epoll[epollEvent].data.fd;

   386 				int epollFD = epoll[epollEvent].data.fd;

   385 				logOutput << "other event: fd=" << epollFD << " data=";

   387 				logOutput << "other event: fd=" << epollFD << " data=";

   386 				for (char ch; read(epollFD, &ch, 1) > 0;) {

   388 				for (char ch; read(epollFD, &ch, 1) > 0;) {

   387 					std::stringstream msg;

   389 					std::stringstream msg;