xcb fake x11 linux

#include <stdio.h>
#include <xcb/xcb.h>
#include <xcb/xcb_keysyms.h>
#include <xcb/xtest.h>
#include <xcb/xcb_util.h>
#include <unistd.h>
#include <stdlib.h>


/* xcb_test_fake_input(type,detail,time,window,x,y,device) */
static void
fake_input(xcb_connection_t *c, uint8_t type, uint8_t detail)
{
  xcb_window_t none = { XCB_NONE };

  xcb_test_fake_input( c, type, detail, 0, none, 0, 0, 0 );
}

static void
fake_motion(xcb_connection_t *c, uint8_t relative, uint16_t x, uint16_t y)
{
  xcb_window_t window = { XCB_NONE };

  if (!relative) {
    window = xcb_setup_roots_iterator(xcb_get_setup(c)).data->root;
  }
  xcb_test_fake_input( c, XCB_MOTION_NOTIFY, relative, 0, window, x, y, 0 );
}

void send_key( xcb_connection_t *c, char code ) {
  fake_input( c, XCB_KEY_PRESS, code );
  fake_input( c, XCB_KEY_RELEASE, code );

}

void mouse_click( xcb_connection_t *c, int button ) {
  fake_input( c, XCB_BUTTON_PRESS, button );
  fake_input( c, XCB_BUTTON_RELEASE, button );
}

void mouse_move( xcb_connection_t *c, int x, int y ) {
  fake_motion( c, 0, x, y );
}

void mouse_rel_move( xcb_connection_t *c, int x, int y ) {
  fake_motion( c, 1, x, y );
}

void process_command( xcb_connection_t *c) {
int x, y;
    for(y = 0; y < 800; y+=20)
    {
        for(x = 0; x < 1280; x+=20)
        {
            mouse_move( c, x,y );
            usleep(10000);
            xcb_flush( c );
        }
    }
   // fake_input( c, XCB_KEY_PRESS, 6);
    //fake_input( c, XCB_KEY_RELEASE, 6 );
}

int main( int argc, char *argv[] ) {
    xcb_connection_t *c = NULL;
    char *display = NULL;

    c = xcb_connect( display, NULL );
    if( c == NULL ) {
        fprintf( stderr, "Unable to open display '%s'\n", display == NULL ? "default" : display );
        exit( 1 );
    }

    process_command( c);

    xcb_disconnect( c );
    exit( 0 );
}