void xMainLoop()
{
  XEvent event;
  KeySym ks;

  while(1)
  {
    if(XPending(dpDisplay))  // While more events are pending, continue processing.
    {
      /* Get the current event from the system queue. */
      XNextEvent(dpDisplay, &event);

      /* Process the incoming event. */
      switch(event.type)
      {
        /* If a key was pressed, get keystroke and called the processing function. */
        case KeyPress:
          ks = XLookupKeysym((XKeyEvent *) &event, 0);
          KEY_PRESSED(ks);
          break;

        /* If the screen was resized, call the appropriate function. */
        case ConfigureNotify:
          ReSizeGLScene(event.xconfigure.width, event.xconfigure.height);
          break;

        /* Process any custom messages. */
        case ClientMessage:
	  //If we're going to quit
          if(event.xclient.data.l[0] == wmDeleteWindow)
          {
 	    PROGRAM_SHUTDOWN;
          }
          break;
	default:break;
      }
    }
    DRAW_PROC();
    // since this is double buffered, swap the buffers to display what just got drawn.
    glXSwapBuffers(dpDisplay, win);
  }
}

     // mouse movement     case MotionNotify:          x = xev.xmotion.x;          y = xev.xmotion.y;          break;     // mouse button press/release     case ButtonRelease:     case ButtonPress:     {         switch (xev.xbutton.button)         {            // handle mouse button presses here             case 1: // LMB            case 2: // MMB            case 3: // RMB          }          // Maybe other button stuff here          break;      }      // Keyboard input      case KeyPress:      case KeyRelease:      {         char buf;         KeySym ks;         XLookupString(&xev.key, &buf, 1, &ks, NULL);         // ks is now one of X key types (ie XK_F1 or just 'a' for a)         switch (ks)         {             // do keyboard things here         }      }