/* ===========================================
 * Spaceware event handler library. MRH 24-Apr-2002
 * ===========================================
 *
 * int mrh_space_event_handler(Display* display, Window window, XEvent* event)
 * void mrh_get_space_motion(int data[6])
 * void mrh_get_space_buttons(int local_buttons[15]) 
 *
 */

#include "math.h"
#include "stdio.h"

#include "X11/Xlib.h"
#include "X11/Xutil.h"
#include "X11/Xos.h"
#include "X11/Xatom.h"
#include "X11/keysym.h"

#include "GL/glut.h"

#include "xdrvlib.h"

static int tx,ty,tz,rx,ry,rz;
static int buttons[15];

/* The event handler */

int mrh_space_event_handler(Display* display, Window window, XEvent* event)
{
  MagellanFloatEvent MagellanEvent;
  static int spaceware_running = 0;
  int event_type;
  
  if(event->type == ClientMessage)
    {
      
      if(!spaceware_running)
	{
	  if(!MagellanInit(display, window))
	    return(1); /* No driver running. Throw away event */
	  else
	    spaceware_running = 1;
	}
      
      event_type = MagellanTranslateEvent( display, event, &MagellanEvent, 1.0, 1.0 );
      
      switch(event_type)
	{
	case MagellanInputMotionEvent:
	  
	  rx = (int)(-MagellanEvent.MagellanData[ MagellanA ]);
	  ry = (int)(-MagellanEvent.MagellanData[ MagellanB ]);
	  rz = (int)(MagellanEvent.MagellanData[ MagellanC ]);
	  
	  tx = (int)MagellanEvent.MagellanData[ MagellanX ]; 
	  ty = (int)MagellanEvent.MagellanData[ MagellanY ]; 
	  tz = (int)-MagellanEvent.MagellanData[ MagellanZ ]; 
	  
	  return(1);
	  
	case MagellanInputButtonPressEvent:
	    buttons[MagellanEvent.MagellanButton] = 1;
	  return(1);
	  
	case MagellanInputButtonReleaseEvent:
	    buttons[MagellanEvent.MagellanButton] = 0;
	  return(1);
	  
	default : 
	  break;
	}
    }
  
  return(0); /* Event not processed */
}

void mrh_get_space_motion(int data[6]) { /* So we can pick up data when this code is in another file */
  
  data[0] = rx;
  data[1] = ry;
  data[2] = rz;
  data[3] = tx;
  data[4] = ty;
  data[5] = tz;
  
};

void mrh_get_space_buttons(int local_buttons[15]) { /* So we can pick up data when this code is in another file */
  
  int i;
  
  for(i=0;i<15;i++) {
    local_buttons[i] = buttons[i];
  }
};