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--- src/input/evdev.c.orig 2024-02-20 04:01:31 UTC
+++ src/input/evdev.c
@@ -45,6 +45,8 @@
#endif
#include <math.h>
+static bool isUseKbdmux = false;
+
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define int16_to_le(val) val
#else
@@ -758,7 +760,7 @@ static int evdev_handle(int fd) {
struct input_event ev;
while ((rc = libevdev_next_event(devices[i].dev, LIBEVDEV_READ_FLAG_NORMAL, &ev)) >= 0) {
if (rc == LIBEVDEV_READ_STATUS_SYNC)
- fprintf(stderr, "Error: cannot keep up\n");
+ fprintf(stderr, "Error:%s(%d) cannot keep up\n", libevdev_get_name(devices[i].dev), i);
else if (rc == LIBEVDEV_READ_STATUS_SUCCESS) {
if (!handler(&ev, &devices[i]))
return LOOP_RETURN;
@@ -775,6 +777,39 @@ static int evdev_handle(int fd) {
return LOOP_OK;
}
+void is_use_kbdmux() {
+ const char* tryFirstInput = "/dev/input/event0";
+ const char* trySecondInput = "/dev/input/event1";
+
+ int fdFirst = open(tryFirstInput, O_RDWR|O_NONBLOCK);
+ int fdSecond = open(trySecondInput, O_RDWR|O_NONBLOCK);
+ if (fdFirst <= 0 && fdSecond <= 0) {
+ //Suppose use kbdmux because of default behavior
+ isUseKbdmux = true;
+ return;
+ }
+
+ struct libevdev *evdevFirst = libevdev_new();
+ libevdev_set_fd(evdevFirst, fdFirst);
+ const char* nameFirst = libevdev_get_name(evdevFirst);
+ struct libevdev *evdevSecond = libevdev_new();
+ libevdev_set_fd(evdevSecond, fdSecond);
+ const char* nameSecond = libevdev_get_name(evdevSecond);
+
+ libevdev_free(evdevFirst);
+ libevdev_free(evdevSecond);
+ close(fdFirst);
+ close(fdSecond);
+
+ if (strcmp(nameFirst, "System keyboard multiplexer") == 0 ||
+ strcmp(nameSecond, "System keyboard multiplexer") == 0) {
+ isUseKbdmux = true;
+ return;
+ }
+
+ return;
+}
+
void evdev_create(const char* device, struct mapping* mappings, bool verbose, int rotate) {
int fd = open(device, O_RDWR|O_NONBLOCK);
if (fd <= 0) {
@@ -851,6 +886,33 @@ void evdev_create(const char* device, struct mapping*
libevdev_has_event_code(evdev, EV_ABS, ABS_WHEEL) ||
libevdev_has_event_code(evdev, EV_ABS, ABS_GAS) ||
libevdev_has_event_code(evdev, EV_ABS, ABS_BRAKE));
+ bool is_acpibutton =
+ strcmp(name, "Sleep Button") == 0 ||
+ strcmp(name, "Power Button") == 0;
+ // Just use System keyboard multiplexer for FreeBSD,see kbdcontrol(1) and kbdmux(4)
+ // Trying to grab kbdmux0 and keyboard it's self at the same time results in
+ // the keyboard becoming unresponsive on FreeBSD.
+ bool is_likekeyboard =
+ is_keyboard && isUseKbdmux && strcmp(name, "System keyboard multiplexer") != 0;
+/*
+ (is_keyboard && guid[0] <= 3) ||
+ strcmp(name, "AT keyboard") == 0;
+*/
+
+ // In some cases,acpibutton can be mistaken for a keyboard and freeze the keyboard when tring grab.
+ if (is_acpibutton) {
+ if (verbose)
+ printf("Skip acpibutton: %s\n", name);
+ libevdev_free(evdev);
+ close(fd);
+ return;
+ }
+ // In some cases,Do not grab likekeyboard for avoiding keyboard unresponsive
+ if (is_likekeyboard) {
+ if (verbose)
+ printf("Do NOT grab like-keyboard: %s,version: %d,bustype: %d\n", name, guid[6], guid[0]);
+ is_keyboard = false;
+ }
if (is_accelerometer) {
if (verbose)
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