/***************************************************************************
 *   Copyright (c) 2018 Torsten Sadowski <tsadowski[at]gmx.net>            *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#include <FCConfig.h>

#include "GuiNativeEventLinux.h"

#include "GuiApplicationNativeEventAware.h"
#include <Base/Console.h>
#include <QMainWindow>

#include <QSocketNotifier>

#include <spnav.h>

Gui::GuiNativeEvent::GuiNativeEvent(Gui::GUIApplicationNativeEventAware *app)
: GuiAbstractNativeEvent(app)
{
}

Gui::GuiNativeEvent::~GuiNativeEvent()
{
    if (spnav_close())
        Base::Console().Log("Couldn't disconnect from spacenav daemon\n");
    else
        Base::Console().Log("Disconnected from spacenav daemon\n");
}

void Gui::GuiNativeEvent::initSpaceball(QMainWindow *window)
{
    Q_UNUSED(window)
    if (spnav_open() == -1) {
        Base::Console().Log("Couldn't connect to spacenav daemon. Please ignore if you don't have a spacemouse.\n");
    } else {
        Base::Console().Log("Connected to spacenav daemon\n");
        QSocketNotifier* SpacenavNotifier = new QSocketNotifier(spnav_fd(), QSocketNotifier::Read, this);
        connect(SpacenavNotifier, SIGNAL(activated(int)), this, SLOT(pollSpacenav()));
        mainApp->setSpaceballPresent(true);
    }
}

void Gui::GuiNativeEvent::pollSpacenav()
{
	spnav_event ev;
	while(spnav_poll_event(&ev))
	{
		switch (ev.type)
		{
			case SPNAV_EVENT_MOTION:
			{
				motionDataArray[0] = -ev.motion.x;
				motionDataArray[1] = -ev.motion.z;
				motionDataArray[2] = -ev.motion.y;
				motionDataArray[3] = -ev.motion.rx;
				motionDataArray[4] = -ev.motion.rz;
				motionDataArray[5] = -ev.motion.ry;
				mainApp->postMotionEvent(motionDataArray);
				break;
			}
			case SPNAV_EVENT_BUTTON:
			{
				mainApp->postButtonEvent(ev.button.bnum, ev.button.press);
				break;
			}
		}
	}
}

#include "3Dconnexion/moc_GuiNativeEventLinux.cpp"