1 /** |
1 /** |
2 * Spacenav Demo Qt |
2 * Spacenav Demo Qt |
3 * Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info) |
3 * Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info) |
4 * |
4 * |
5 * This program is free software: you can redistribute it and/or modify |
5 * This program is free software: you can redistribute it and/or modify |
6 * it under the terms of the GNU General Public License as published by |
6 * it under the terms of the GNU General Public License as published by |
7 * the Free Software Foundation, either version 3 of the License, or |
7 * the Free Software Foundation, either version 3 of the License, or |
8 * (at your option) any later version. |
8 * (at your option) any later version. |
15 * You should have received a copy of the GNU General Public License |
15 * You should have received a copy of the GNU General Public License |
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 */ |
17 */ |
18 #pragma once |
18 #pragma once |
19 |
19 |
20 #include <iostream> |
|
21 #include <QObject> |
20 #include <QObject> |
22 #include <QThread> |
21 #include <QThread> |
23 #include <spnav.h> |
|
24 |
22 |
25 Q_DECLARE_METATYPE(spnav_event) |
23 #include "SpacenavWrapper.h" |
|
24 |
|
25 Q_DECLARE_METATYPE(SpacenavWrapper::Event) |
26 |
26 |
27 class SpacenavReceiver : public QThread { |
27 class SpacenavReceiver : public QThread { |
|
28 Q_OBJECT |
|
29 private: |
|
30 SpacenavWrapper spnav; |
28 |
31 |
29 Q_OBJECT |
|
30 public: |
32 public: |
31 |
|
32 |
33 |
33 SpacenavReceiver() : QThread() { |
34 SpacenavReceiver() : QThread() { |
34 } |
35 } |
35 |
36 |
36 virtual ~SpacenavReceiver() { |
|
37 std::wcout << L"calling spnav_close() in ~SpacenavReceiver()" << std::endl; |
|
38 spnav_close(); |
|
39 } |
|
40 |
|
41 void run() { |
37 void run() { |
42 spnav_event event; |
38 while (true) { |
43 |
39 SpacenavWrapper::Event e = spnav.waitEvent(); |
44 // Connect |
40 emit spacenavEvent(e); |
45 if (spnav_open() == 0) { |
|
46 std::wcout << L"connected through: AF_UNIX socket" << std::endl; |
|
47 } else { |
|
48 |
|
49 Display* display; |
|
50 Window window; |
|
51 unsigned long blackPixel; |
|
52 |
|
53 |
|
54 if (!(display = XOpenDisplay(0))) { |
|
55 std::wcout << L"unable to connect to the X server" << std::endl; |
|
56 return; // TODO: throw exception |
|
57 } |
|
58 |
|
59 blackPixel = BlackPixel(display, DefaultScreen(display)); |
|
60 window = XCreateSimpleWindow(display, DefaultRootWindow(display), 0, 0, 1, 1, 0, blackPixel, blackPixel); |
|
61 |
|
62 if (spnav_x11_open(display, window) == 0) { |
|
63 std::wcout << L"connected through: X11" << std::endl; |
|
64 } else { |
|
65 std::wcout << L"unable to connect to the space navigator daemon" << std::endl; |
|
66 return; // TODO: throw exception |
|
67 } |
|
68 } |
41 } |
69 |
|
70 // For stopping this thread by pressing both buttons: |
|
71 bool pressed0 = false; |
|
72 bool pressed1 = false; |
|
73 |
|
74 // Process events |
|
75 while (spnav_wait_event(&event)) { |
|
76 if (event.type == SPNAV_EVENT_MOTION) { |
|
77 std::wcout << L"motion event: t(" << event.motion.x << L", " << event.motion.y << L", " << event.motion.z << L") "; |
|
78 std::wcout << L"r(" << event.motion.rx << L", " << event.motion.ry << L", " << event.motion.rz << L")" << std::endl; |
|
79 |
|
80 } else { /* SPNAV_EVENT_BUTTON */ |
|
81 std::wcout << L"button " << (event.button.press ? "press" : "release") << L" event b(" << event.button.bnum << L")" << std::endl; |
|
82 |
|
83 if (event.button.bnum == 0) pressed0 = event.button.press; |
|
84 if (event.button.bnum == 1) pressed1 = event.button.press; |
|
85 if (pressed0 && pressed1) { |
|
86 std::wcout << L"both buttons pressed → stop receiving events" << std::endl; |
|
87 break; |
|
88 } |
|
89 } |
|
90 emit spacenavEvent(event); |
|
91 } |
|
92 |
|
93 } |
42 } |
94 |
43 |
95 signals: |
44 signals: |
96 void spacenavEvent(spnav_event sev); |
45 void spacenavEvent(SpacenavWrapper::Event e); |
97 }; |
46 }; |