+ r.return_pointer = 0;
+ if (argc >= 3) {
+ info = xi2_find_device_info(dpy, argv[2]);
+ if (!info) {
+ fprintf(stderr, "unable to find device %s\n", argv[2]);
+ return EXIT_FAILURE;
+ }
+
+ r.return_pointer = info->deviceid;
+ }
+
+ r.return_keyboard = 0;
+ if (argc >= 4) {
+ info = xi2_find_device_info(dpy, argv[3]);
+ if (!info) {
+ fprintf(stderr, "unable to find device %s\n", argv[3]);
+ return EXIT_FAILURE;
+ }
+
+ r.return_keyboard = info->deviceid;
+ }
+
+ if (!r.return_pointer || !r.return_keyboard) {
+ int i, ndevices;
+ info = XIQueryDevice(dpy, XIAllMasterDevices, &ndevices);
+ for(i = 0; i < ndevices; i++) {
+ if (info[i].use == XIMasterPointer && !r.return_pointer)
+ r.return_pointer = info[i].deviceid;
+ if (info[i].use == XIMasterKeyboard && !r.return_keyboard)
+ r.return_keyboard = info[i].deviceid;
+ if (r.return_pointer && r.return_keyboard)
+ break;
+ }
+
+ XIFreeDeviceInfo(info);
+ }