annoying/main.c

#include <stdlib.h>
#include <X11/Xlib.h>
#include <time.h>
#include <stdbool.h>
#include <zconf.h>

int getRandom(int lower, int upper) {
    unsigned int seed = (unsigned int) time(NULL);
    srand(seed);
    return rand() % (upper - lower + 1) + lower;
}

void moveCursor() {
    Display *dpy;
    Window root_window;

    dpy = XOpenDisplay(0);
    Screen *screen = XScreenOfDisplay(dpy, 0);
    root_window = XRootWindow(dpy, 0);
    unsigned int width = (unsigned int) XWidthOfScreen(screen);
    unsigned int height = (unsigned int) XHeightOfScreen(screen);

    int destX = getRandom(0, width);
    int destY = getRandom(0, height);

    XWarpPointer(dpy, None, root_window, 0, 0, width, height, destX, destY);
    XFlush(dpy);
}

int main() {
    while(true) {
        sleep(getRandom(60, 600));
        if (getRandom(0, 100) > 50) {
            continue;
        }

        moveCursor();
    }
}