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116 lines
4.3 KiB
C++
116 lines
4.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2018 Torsten Sadowski <tsadowski[at]gmx.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include <FCConfig.h>
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#include "GuiNativeEventLinux.h"
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#include "GuiApplicationNativeEventAware.h"
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#include <Base/Console.h>
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#include <QMainWindow>
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#include <QSocketNotifier>
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#include <cerrno>
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#include <sys/socket.h>
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#include <spnav.h>
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Gui::GuiNativeEvent::GuiNativeEvent(Gui::GUIApplicationNativeEventAware* app)
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: GuiAbstractNativeEvent(app)
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{}
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Gui::GuiNativeEvent::~GuiNativeEvent()
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{
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if (spnavNotifier) {
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if (spnav_close()) {
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Base::Console().log("Couldn't disconnect from spacenav daemon\n");
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}
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else {
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Base::Console().log("Disconnected from spacenav daemon\n");
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}
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}
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}
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void Gui::GuiNativeEvent::initSpaceball(QMainWindow* window)
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{
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Q_UNUSED(window)
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if (spnav_open() == -1) {
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Base::Console().log(
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"Couldn't connect to spacenav daemon. Please ignore if you don't have a spacemouse.\n"
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);
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}
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else {
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Base::Console().log("Connected to spacenav daemon\n");
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spnavNotifier = new QSocketNotifier(spnav_fd(), QSocketNotifier::Read, this);
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connect(spnavNotifier, SIGNAL(activated(int)), this, SLOT(pollSpacenav()));
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mainApp->setSpaceballPresent(true);
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}
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}
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void Gui::GuiNativeEvent::pollSpacenav()
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{
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spnav_event ev;
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bool gotEvent = false;
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while (spnav_poll_event(&ev)) {
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gotEvent = true;
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switch (ev.type) {
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case SPNAV_EVENT_MOTION: {
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motionDataArray[0] = -ev.motion.x;
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motionDataArray[1] = -ev.motion.z;
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motionDataArray[2] = -ev.motion.y;
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motionDataArray[3] = -ev.motion.rx;
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motionDataArray[4] = -ev.motion.rz;
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motionDataArray[5] = -ev.motion.ry;
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mainApp->postMotionEvent(motionDataArray);
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break;
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}
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case SPNAV_EVENT_BUTTON: {
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mainApp->postButtonEvent(ev.button.bnum, ev.button.press);
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break;
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}
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}
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}
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if (!gotEvent) {
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// QSocketNotifier fired but no events were available.
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// Verify the connection is still alive using a non-consuming peek.
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int fd = spnav_fd();
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if (fd >= 0) {
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char buf;
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ssize_t ret = recv(fd, &buf, 1, MSG_PEEK | MSG_DONTWAIT);
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if (ret == 0 || (ret < 0 && errno != EAGAIN && errno != EWOULDBLOCK)) {
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// EOF or socket error — spacenavd disconnected
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Base::Console().warning(
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"Lost connection to spacenav daemon. Restart FreeCAD to reconnect.\n"
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);
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spnavNotifier->setEnabled(false);
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spnav_close();
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spnavNotifier = nullptr;
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}
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}
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}
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}
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#include "3Dconnexion/moc_GuiNativeEventLinux.cpp"
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