/* This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
** MyXGrabServer & MyXUngrabServer - to handle nested grab server calls
*/

#include "config.h"

#include "Grab.h"

/* Made into global for module interface.  See module.c. */
int myxgrabcount = 0;
static unsigned int keyboard_grab_count = 0;

void MyXGrabServer(Display *disp)
{
  if (myxgrabcount == 0)
  {
    XSync(disp, 0);
    XGrabServer(disp);
  }
  XSync(disp, 0);
  ++myxgrabcount;
}

void MyXUngrabServer(Display *disp)
{
  if (--myxgrabcount < 0) /* should never happen */
  {
    myxgrabcount = 0;
  }
  if (myxgrabcount == 0)
  {
    XUngrabServer(disp);
  }
  XSync(disp, 0);
}

void MyXGrabKeyboard(Display *dpy)
{
  keyboard_grab_count++;
  XGrabKeyboard(
    dpy, RootWindow(dpy, DefaultScreen(dpy)), False, GrabModeAsync,
    GrabModeAsync, CurrentTime);

  return;
}

void MyXUngrabKeyboard(Display *dpy)
{
  if (keyboard_grab_count > 0)
  {
    keyboard_grab_count--;
  }
  if (keyboard_grab_count == 0)
  {
    XUngrabKeyboard(dpy, CurrentTime);
  }

  return;
}