#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <unistd.h>

#include <X11/Xlib.h>
#include <X11/Xutil.h>

void mouseClick(int button)
{
	Display *display = XOpenDisplay(NULL);

	XEvent event;
	
	if(display == NULL)
	{
		fprintf(stderr, "Errore nell'apertura del Display !!!\n");
		exit(EXIT_FAILURE);
	}
	
	memset(&event, 0x00, sizeof(event));
	event.type = ButtonPress;
	event.xbutton.button = button;
	event.xbutton.same_screen = True;
	
	XQueryPointer(display, RootWindow(display, DefaultScreen(display)), &event.xbutton.root, &event.xbutton.window, &event.xbutton.x_root, &event.xbutton.y_root, &event.xbutton.x, &event.xbutton.y, &event.xbutton.state);
	
	event.xbutton.subwindow = event.xbutton.window;
	
	while(event.xbutton.subwindow)
	{
		event.xbutton.window = event.xbutton.subwindow;
		
		XQueryPointer(display, event.xbutton.window, &event.xbutton.root, &event.xbutton.subwindow, &event.xbutton.x_root, &event.xbutton.y_root, &event.xbutton.x, &event.xbutton.y, &event.xbutton.state);
	}
	
	if(XSendEvent(display, PointerWindow, True, 0xfff, &event) == 0) fprintf(stderr, "Errore nell'invio dell'evento !!!\n");
	
	XFlush(display);
	
	usleep(100000);
	
	event.type = ButtonRelease;
	event.xbutton.state = 0x100;
	
	if(XSendEvent(display, PointerWindow, True, 0xfff, &event) == 0) fprintf(stderr, "Errore nell'invio dell'evento !!!\n");
	
	XFlush(display);
	XCloseDisplay(display);
}
int main(int argc,char *argv[])
{
	if(argc!=3)
	{
		printf("Usage: %s <clics> <sec>\n",argv[0]);
		exit(0);
	}
	int i;
	int cl=atoi(argv[1]);
	while(1)
	{
		for(i=0;i<cl;i++)
			mouseClick(1);
		sleep(atoi(argv[2]));
	}
	return 0;
}