95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <libinput.h>
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#include <libudev.h>
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#include <stdio.h>
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#include <unistd.h>
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static int open_restricted(const char* path, int flags, void* user_data)
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{
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int fd = open(path, flags);
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return fd < 0 ? -errno : fd;
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}
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static void close_restricted(int fd, void* user_data)
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{
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close(fd);
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}
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const static struct libinput_interface interface = {
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.open_restricted = open_restricted,
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.close_restricted = close_restricted,
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};
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void handle_device_added(struct libinput_event_device_notify* event)
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{
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assert(event != NULL);
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}
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void handle_button_press(struct libinput_event_switch* event)
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{
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assert(event != NULL);
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}
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int main(int argc, char* argv[])
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{
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struct udev* udev_context = udev_new();
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struct libinput* libinput_context = libinput_udev_create_context(&interface, NULL, udev_context);
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libinput_udev_assign_seat(libinput_context, "seat0");
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int libinput_fd = libinput_get_fd(libinput_context);
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struct libinput_event* event;
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// Setup loop
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libinput_dispatch(libinput_context);
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while ((event = libinput_get_event(libinput_context)) != NULL) {
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printf("Setup event occurred\n");
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if (libinput_event_get_type(event) == LIBINPUT_EVENT_DEVICE_ADDED) {
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handle_device_added(libinput_event_get_device_notify_event(event));
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printf("\tDevice added event\n");
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}
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else {
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printf("\tOther type of event\n");
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}
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libinput_event_destroy(event);
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}
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printf("No more setup events\n");
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// Main loop
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while (1) {
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// TODO: use select/poll/epoll to block until fd has new data
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// https://daniel.haxx.se/docs/poll-vs-select.html
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// https://en.wikipedia.org/wiki/Epoll
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// https://github.com/wayland-project/libinput/blob/master/tools/libinput-debug-events.c
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// https://wayland.freedesktop.org/libinput/doc/latest/api/
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libinput_dispatch(libinput_context);
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while ((event = libinput_get_event(libinput_context)) != NULL) {
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printf("Event occurred\n");
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if (libinput_event_get_type(event) == LIBINPUT_EVENT_SWITCH_TOGGLE) {
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handle_button_press(libinput_event_get_switch_event(event));
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printf("\tSwitch toggle event\n");
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}
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else {
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printf("\tOther type of event\n");
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}
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libinput_event_destroy(event);
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libinput_dispatch(libinput_context);
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}
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}
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printf("No more events\n");
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return EXIT_SUCCESS;
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}
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