4 * Spaceball support for Windows
6 * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
7 * Written by Evan Felix <karcaw at gmail.com>
8 * Creation date: Sat Feb 4, 2012
10 * Copyright (c) 2014 Jinrong Xie. All Rights Reserved.
11 * Written by Jinrong Xie <stonexjr at gmail.com>
12 * Modification date: Wed Dec 24, 2014
14 * Permission is hereby granted, free of charge, to any person obtaining a
15 * copy of this software and associated documentation files (the "Software"),
16 * to deal in the Software without restriction, including without limitation
17 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
18 * and/or sell copies of the Software, and to permit persons to whom the
19 * Software is furnished to do so, subject to the following conditions:
21 * The above copyright notice and this permission notice shall be included
22 * in all copies or substantial portions of the Software.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
25 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
27 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
28 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 * This code is enhanced by at least supporting 3Dconnexion's
34 * six degree of freedom navigator.
37 #include <GL/freeglut.h>
38 #include "../fg_internal.h"
42 SPNAV_EVENT_MOTION_TRANSLATION,
43 SPNAV_EVENT_MOTION_ROTATION,
44 SPNAV_EVENT_BUTTON /* includes both press and release */
47 extern int sball_initialized;
48 unsigned int __fgSpaceKeystate = 0;
49 RAWINPUTDEVICE __fgSpaceball = { 0x01, 0x08, 0x00, 0x00 };
51 void fgPlatformInitializeSpaceball(void)
54 sball_initialized = 1;
55 if (!fgStructure.CurrentWindow)
57 sball_initialized = 0;
60 hwnd = fgStructure.CurrentWindow->Window.Handle;
63 UINT cbSize = sizeof(__fgSpaceball);
64 __fgSpaceball.hwndTarget = hwnd;
65 ok = RegisterRawInputDevices(&__fgSpaceball, 1, cbSize);
68 __fgSpaceball.hwndTarget = NULL;
69 sball_initialized = 0;
75 void fgPlatformSpaceballClose(void)
80 int fgPlatformHasSpaceball(void)
82 return __fgSpaceball.hwndTarget ? 1 : 0;
85 int fgPlatformSpaceballNumButtons(void)
90 void fgPlatformSpaceballSetWindow(SFG_Window *window)
95 int fgIsSpaceballWinEvent(HWND hwnd, WPARAM wParam, LPARAM lParam)
99 void fgSpaceballHandleWinEvent(HWND hwnd, WPARAM wParam, LPARAM lParam)
101 #define LOGITECH_VENDOR_ID 0x46d
102 HRAWINPUT hRawInput = (HRAWINPUT)lParam;
103 UINT inputCode = (UINT)wParam;
106 BYTE *rawInputBuffer;
109 RID_DEVICE_INFO sRidDeviceInfo;
111 if (!sball_initialized)
113 fgPlatformInitializeSpaceball();
114 if (!sball_initialized)
120 res = GetRawInputData(hRawInput, RID_INPUT, NULL, &size, sizeof(RAWINPUTHEADER));
124 rawInputBuffer = (BYTE*)malloc(size);
125 pRawInput = (PRAWINPUT)rawInputBuffer;
127 res = GetRawInputData(hRawInput, RID_INPUT, pRawInput, &size, sizeof(RAWINPUTHEADER));
130 if (pRawInput->header.dwType != RIM_TYPEHID)
133 sRidDeviceInfo.cbSize = sizeof(RID_DEVICE_INFO);
134 size = sizeof(RID_DEVICE_INFO);
135 res = GetRawInputDeviceInfo(pRawInput->header.hDevice, RIDI_DEVICEINFO, &sRidDeviceInfo, &size);
139 SFG_Window* window = fgWindowByHandle(hwnd);
140 if ((window == NULL))
143 if (sRidDeviceInfo.hid.dwVendorId == LOGITECH_VENDOR_ID)
145 // Motion data comes in two parts: motion type and
146 // displacement/rotation along three axis.
147 // Orientation is a right handed coordinate system with
148 // X goes right, Y goes up and Z goes towards viewer, e.g.
149 // the one used in OpenGL
150 if (pRawInput->data.hid.bRawData[0] ==
151 SPNAV_EVENT_MOTION_TRANSLATION)//0x01)
152 { // Translation vector
153 short* pnData = (short*)(&pRawInput->data.hid.bRawData[1]);
155 short Y = -pnData[2];
157 INVOKE_WCB(*window, SpaceMotion, (X, Y, Z));
159 else if (pRawInput->data.hid.bRawData[0] ==
160 SPNAV_EVENT_MOTION_ROTATION)//0x02)
161 { // Axis aligned rotation vector
162 short* pnData = (short*)(&pRawInput->data.hid.bRawData[1]);
163 short rX = pnData[0];
164 short rY = -pnData[2];
165 short rZ = pnData[1];
166 INVOKE_WCB(*window, SpaceRotation, (rX, rY, rZ));
168 else if (pRawInput->data.hid.bRawData[0] ==
169 SPNAV_EVENT_BUTTON)//0x03)
170 { // State of the keys
171 unsigned long dwKeystate = *(unsigned long*)(&pRawInput->data.hid.bRawData[1]);
172 unsigned int state = GLUT_UP;
173 if (FETCH_WCB(*window, SpaceButton))
176 for (i = 0; i < 32; i++)
178 unsigned long stateBefore = __fgSpaceKeystate&(1 << i);
179 unsigned long stateNow = dwKeystate&(1 << i);
181 if (stateBefore && !stateNow)
182 INVOKE_WCB(*window, SpaceButton, (stateBefore, GLUT_DOWN));
183 if (!stateBefore && stateNow)
184 INVOKE_WCB(*window, SpaceButton, (stateNow, GLUT_UP));
188 __fgSpaceKeystate = dwKeystate;