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#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <sys/types.h>
#include <unistd.h>
int main(int argc, char** argv)
if(strcmp(argv[1], "-d")==0)
pid_t pid;
if(pid<0) {printf("Failed to daemonize.\n"); return 1;}
if(pid>0) {printf("Daemon running...\n"); return 0;}
int border1=10; int border2=0;
unsigned int w1,h1,x1,y1,w2,h2,x2,y2;
w1=w2=1920; h1=h2=1080;
x1=y1=0; x2=1920; y2=1080;
Display* display;
display = XOpenDisplay(getenv("DISPLAY"));
fprintf( stderr, "\nCannot connect to X server '%s'\n", getenv("DISPLAY"));
Window w=DefaultRootWindow(display);
Window c;
for (;;)
int wx, wy, rx, ry;
unsigned int m;
XQueryPointer(display, w, &w, &c, &rx, &ry, &wx, &wy, &m);
#ifdef DEBUG
printf("Mouse X:%d, Y:%d, WX:%d, WY:%d\n", rx, ry, wx, wy);
if(rx>x1+w1+border1 && ry<y2-150)
XWarpPointer(display, None, None, 0,0,0,0,-(rx-(x1+w1)-border2), 0);
else if(rx>x1+w1+border1 && ry<y2-border1)
XWarpPointer(display, None, None, 0,0,0,0,0,-(ry-(y2)-border2));
else if(rx<x1+w1-150 && ry>y2+border1)
XWarpPointer(display, None, None, 0,0,0,0,0,-(ry-(y2)+border2));
else if(rx<x1+w1 && ry>y2+border1)
XWarpPointer(display, None, None, 0,0,0,0,-(rx-(x2)+border2),0);
XCloseDisplay( display );