Simple program to translate mouse movements to arrow keys with libxdo

mouse2arrow.c

#include <xdo.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <time.h>
static bool x_axis, y_axis;
static const char *up = "Up";
static const char *down = "Down";
static const char *left = "Left";
static const char *right = "Right";
static useconds_t delay = 20;
static int deadzone = 10;
static struct timespec slp_tm = {
  .tv_sec = 0,
  .tv_nsec = 8e6,
};

int main() {
  xdo_t *xdo = xdo_new(NULL);
  if (xdo == NULL) {
    printf("Failed to create xdo_t instance\n");
    exit(1);
  }
  Window win, win_prev;
  unsigned char *name;
  int x, y, x2 = -1, y2 = -1;
  int name_len, name_type;

  while(1) {
    xdo_get_mouse_location2(xdo, &x, &y, NULL, &win);
    xdo_get_window_name(xdo, win, &name, &name_len, &name_type);
    printf("%s\n", (char *) name);
    if (abs(x2 - x) <= deadzone) {
      xdo_send_keysequence_window_up(xdo, win_prev, x_axis ? right : left, delay);
      printf("Releasing %s\n", x_axis ? right : left);
    } else if (x2 > -1) {
      x2 = x;
      nanosleep(&slp_tm, NULL);
      continue;
    }
    if (abs(y2 - y) <= deadzone) {
      xdo_send_keysequence_window_up(xdo, win_prev, y_axis ? down : up, delay);
      printf("Releasing %s\n", y_axis ? down : up);
    } else if (y2 > -1) {
      y2 = y;
      nanosleep(&slp_tm, NULL);
      continue;
    }
    xdo_wait_for_mouse_move_from(xdo, x, y);
    xdo_get_mouse_location(xdo, &x2, &y2, NULL);
    if (x2-x > deadzone) {
      x_axis = true;
      xdo_send_keysequence_window_down(xdo, win, right, delay);
      printf("Pressing right\n");
    } else if (x - x2 > deadzone) {
      x_axis = false;
      xdo_send_keysequence_window_down(xdo, win, left, delay);
      printf("Pressing left\n");
    }

    if (y2-y > deadzone) {
      y_axis = true;
      xdo_send_keysequence_window_down(xdo, win, down, delay);
      printf("Pressing down\n");
    } else if (y - y2 > deadzone) {
      y_axis = false;
      xdo_send_keysequence_window_down(xdo, win, up, delay);
      printf("Pressing up\n");
    }
    //x = x2;
    //y = y2;
    win_prev = win;
    nanosleep(&slp_tm, NULL);
  }
  xdo_free(xdo);
}