// code grabbed from:
// http://surfingtroves.blogspot.de/2011/01/how-to-get-screen-resolution-in-linux-c.html

// -----------------------------------------------------------
// Purpose : simply retrieve current X windows information
// -----------------------------------------------------------
#define XLIB_ILLEGAL_ACCESS
#include <X11/Xlib.h>
#include <stdio.h>

int main()
{

 Display* pdsp = XOpenDisplay(NULL);
 Window wid = DefaultRootWindow(pdsp);

 Screen* pwnd = DefaultScreenOfDisplay(pdsp);
 int sid = DefaultScreen(pdsp);
 
 XWindowAttributes xwAttr;
 XGetWindowAttributes(pdsp,wid,&xwAttr);

/*
 printf(" name : %s\n vendor : %s\n", pdsp->display_name, pdsp->vendor);
 printf(" pos : (%d, %d), width = %d, height = %d \n",
   xwAttr.x, xwAttr.y, xwAttr.width, xwAttr.height);
*/

 //printf("%dx%d\n", xwAttr.width, xwAttr.height);
 printf("xorg_witdh=%d\n", xwAttr.width);
 printf("xorg_height=%d\n", xwAttr.height);

 XCloseDisplay( pdsp );
 
 return 1;
}


/* gcc -o $@ $< -lX11 */
/* set ts=4 sts=4 tw=100 sw=4 */