void glutMainLoop() { BOOL quit = 0; MSG msg; // program main loop while ( !quit ) { // check for messages if ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) ) { // handle or dispatch messages if ( msg.message == WM_QUIT ) { quit = TRUE; } else { TranslateMessage( &msg ); DispatchMessage( &msg ); } } else { if (updatePending) { gDisplay(); updatePending = 0; } if (gIdle) gIdle(); // TIMERS! checktimers(); } } }
void glutMainLoop() { char buffer[10]={0}; char pressed = 0; int i; XAllowEvents(dpy, AsyncBoth, CurrentTime); while (gRunning) { while (XPending(dpy) > 0) { XEvent event; XNextEvent(dpy, &event); switch (event.type) { case ClientMessage: if (event.xclient.data.l[0] == (signed)wmDeleteMessage) // quit! gRunning = 0; break; case Expose: break; // Update event! Should do draw here. case ConfigureNotify: if (gReshape) gReshape(event.xconfigure.width, event.xconfigure.height); else { glViewport(0, 0, event.xconfigure.width, event.xconfigure.height); } animate = 1; break; case KeyPress: case KeyRelease: if (event.type == KeyPress) { if ((gKey)){ gKey(event.xkey.keycode, event.xkey.x, event.xkey.y,event.xkey.state & ShiftMask ? 1 : 0); gKeymap[(int)buffer[0]] = 1; } } else { if (gKeyUp) gKeyUp(buffer[0], 0, 0,0); gKeymap[(int)buffer[0]] = 0;} break; case ButtonPress: gButtonPressed[event.xbutton.button] = 1; if (gMouseFunc != NULL) gMouseFunc(GLUT_LEFT_BUTTON, GLUT_DOWN, event.xbutton.x, event.xbutton.y); break; case ButtonRelease: gButtonPressed[event.xbutton.button] = 0; if (gMouseFunc != NULL) gMouseFunc(GLUT_LEFT_BUTTON, GLUT_UP, event.xbutton.x, event.xbutton.y); break; case MotionNotify: pressed = 0; for (i = 0; i < 5; i++) if (gButtonPressed[i]) pressed = 1; if (pressed && gMouseDragged) gMouseDragged(event.xbutton.x, event.xbutton.y); else if (gMouseMoved) gMouseMoved(event.xbutton.x, event.xbutton.y); break; default: break; } } if (animate) { animate = 0; if (gDisplay) gDisplay(); else printf("No display function!\n"); } else if (gIdle) gIdle(); checktimers(); } glXMakeCurrent(dpy, None, NULL); glXDestroyContext(dpy, ctx); XDestroyWindow(dpy, win); XCloseDisplay(dpy); }
static void start_daemon(int lockfd) { int maxfd, pid, pipefd, ret; struct timeval tv; fd_set rfds; conn_t *tmp, *tmpnext; us_serialize(SERIALIZE_INIT); if ((pid = fork()) < 0) fatal_with_errno(EXIT_FAILURE, "Unable to enter background"); if (pid != 0) { /* parent */ /* wait for child to set up the listener */ us_serialize(SERIALIZE_WAIT); return; } /* child */ close(0); close(1); close(2); /* make fds 0-2 point somewhere defined */ if (open("/dev/null", O_RDWR) != 0) fatal_with_errno(EXIT_FAILURE, "open /dev/null"); if (dup(0) == -1) fatal_with_errno(EXIT_FAILURE, "dup"); if (dup(0) == -1) fatal_with_errno(EXIT_FAILURE, "dup"); pipefd = open_sock(); if (verbose) upslogx(LOG_INFO, "Timer daemon started"); /* release the parent */ us_serialize(SERIALIZE_SET); /* drop the lock now that the background is running */ unlink(lockfn); close(lockfd); /* now watch for activity */ for (;;) { /* wait at most 1s so we can check our timers regularly */ tv.tv_sec = 1; tv.tv_usec = 0; FD_ZERO(&rfds); FD_SET(pipefd, &rfds); maxfd = pipefd; for (tmp = connhead; tmp != NULL; tmp = tmp->next) { FD_SET(tmp->fd, &rfds); if (tmp->fd > maxfd) maxfd = tmp->fd; } ret = select(maxfd + 1, &rfds, NULL, NULL, &tv); if (ret > 0) { if (FD_ISSET(pipefd, &rfds)) conn_add(pipefd); tmp = connhead; while (tmp) { tmpnext = tmp->next; if (FD_ISSET(tmp->fd, &rfds)) { if (sock_read(tmp) < 0) { close(tmp->fd); conn_del(tmp); } } tmp = tmpnext; } } checktimers(); } }