--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/SpacenavReceiver.h Wed Mar 06 20:28:34 2019 +0100
@@ -0,0 +1,92 @@
+/**
+ * Spacenav Demo Qt
+ * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <iostream>
+#include <QObject>
+#include <QThread>
+#include <spnav.h>
+
+Q_DECLARE_METATYPE(spnav_event)
+
+class SpacenavReceiver : public QThread {
+
+ Q_OBJECT
+public:
+
+
+ SpacenavReceiver() : QThread() {
+ }
+
+ virtual ~SpacenavReceiver() {
+ spnav_close();
+ }
+
+ void run() {
+ Display* display;
+ Window window;
+ unsigned long blackPixel;
+
+ spnav_event event;
+
+ if (!(display = XOpenDisplay(0))) {
+ std::wcout << L"unable to connect to the X server" << std::endl;
+ return; // TODO: throw exception
+ }
+
+ blackPixel = BlackPixel(display, DefaultScreen(display));
+ window = XCreateSimpleWindow(display, DefaultRootWindow(display), 0, 0, 1, 1, 0, blackPixel, blackPixel);
+
+ if (spnav_x11_open(display, window) == -1) {
+ std::wcout << L"unable to connect to the space navigator daemon" << std::endl;
+ return; // TODO: throw exception
+
+ /**
+ * TODO: try also unix socket
+ *
+ * if(spnav_open()==-1) {
+ * fprintf(stderr, "failed to connect to the space navigator daemon\n");
+ * return 1;
+ * }
+ */
+ }
+
+ // For stopping this thread by pressing both buttons:
+ // bool pressed0 = false;
+ // bool pressed1 = false;
+
+ while (spnav_wait_event(&event)) {
+ if (event.type == SPNAV_EVENT_MOTION) {
+ std::wcout << L"motion event: t(" << event.motion.x << L", " << event.motion.y << L", " << event.motion.z << L") ";
+ std::wcout << L"r(" << event.motion.rx << L", " << event.motion.ry << L", " << event.motion.rz << L")" << std::endl;
+
+ } else { /* SPNAV_EVENT_BUTTON */
+ std::wcout << L"button " << (event.button.press ? "press" : "release") << L" event b(" << event.button.bnum << L")" << std::endl;
+
+ // if (sev.button.bnum == 0) pressed0 = sev.button.press;
+ // if (sev.button.bnum == 1) pressed1 = sev.button.press;
+ // if (pressed0 && pressed1) break;
+ }
+ emit spacenavEvent(event);
+ }
+
+ }
+
+signals:
+ void spacenavEvent(spnav_event sev);
+};
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