- #define LOGITECH_VENDOR_ID 0x46d
- HRAWINPUT hRawInput = (HRAWINPUT)lParam;
- UINT inputCode = (UINT)wParam;
- UINT size;
- BYTE *rawInputBuffer;
- PRAWINPUT pRawInput;
- UINT res;
- RID_DEVICE_INFO sRidDeviceInfo;
-
- if (!sball_initialized)
- {
- fgPlatformInitializeSpaceball();
- if (!sball_initialized)
- {
- return;
- }
- }
-
- res = GetRawInputData(hRawInput, RID_INPUT, NULL, &size, sizeof(RAWINPUTHEADER));
- if (res == -1)
- return;
-
- rawInputBuffer = malloc(size * sizeof *rawInputBuffer);
- pRawInput = (PRAWINPUT)rawInputBuffer;
-
- res = GetRawInputData(hRawInput, RID_INPUT, pRawInput, &size, sizeof(RAWINPUTHEADER));
- if (res == -1)
- return;
- if (pRawInput->header.dwType != RIM_TYPEHID)
- return;
-
- sRidDeviceInfo.cbSize = sizeof(RID_DEVICE_INFO);
- size = sizeof(RID_DEVICE_INFO);
- res = GetRawInputDeviceInfo(pRawInput->header.hDevice, RIDI_DEVICEINFO, &sRidDeviceInfo, &size);
- if (res == -1)
- return;
- {
- SFG_Window* window = fgWindowByHandle(hwnd);
- if ((window == NULL))
- return;
-
- if (sRidDeviceInfo.hid.dwVendorId == LOGITECH_VENDOR_ID)
- {
- // Motion data comes in two parts: motion type and
- // displacement/rotation along three axis.
- // Orientation is a right handed coordinate system with
- // X goes right, Y goes up and Z goes towards viewer, e.g.
- // the one used in OpenGL
- if (pRawInput->data.hid.bRawData[0] ==
- SPNAV_EVENT_MOTION_TRANSLATION)
- { // Translation vector
- short* pnData = (short*)(&pRawInput->data.hid.bRawData[1]);
- short X = pnData[0];
- short Y = -pnData[2];
- short Z = pnData[1];
- INVOKE_WCB(*window, SpaceMotion, (X, Y, Z));
- }
- else if (pRawInput->data.hid.bRawData[0] ==
- SPNAV_EVENT_MOTION_ROTATION)
- { // Axis aligned rotation vector
- short* pnData = (short*)(&pRawInput->data.hid.bRawData[1]);
- short rX = pnData[0];
- short rY = -pnData[2];
- short rZ = pnData[1];
- INVOKE_WCB(*window, SpaceRotation, (rX, rY, rZ));
- }
- else if (pRawInput->data.hid.bRawData[0] ==
- SPNAV_EVENT_BUTTON)
- { // State of the keys
- unsigned long dwKeystate = *(unsigned long*)(&pRawInput->data.hid.bRawData[1]);
- unsigned int state = GLUT_UP;
- if (FETCH_WCB(*window, SpaceButton))
- {
- int i;
- for (i = 0; i < 32; i++)
- {
- unsigned long stateBefore = __fgSpaceKeystate&(1 << i);
- unsigned long stateNow = dwKeystate&(1 << i);
-
- if (stateBefore && !stateNow)
- INVOKE_WCB(*window, SpaceButton, (stateBefore, GLUT_UP));
- if (!stateBefore && stateNow)
- INVOKE_WCB(*window, SpaceButton, (stateNow, GLUT_DOWN));
-
- }
- }
- __fgSpaceKeystate = dwKeystate;
- }
- }
- }
+ #define LOGITECH_VENDOR_ID 0x46d
+ HRAWINPUT hRawInput = (HRAWINPUT)lParam;
+ UINT inputCode = (UINT)wParam;
+ UINT size;
+ BYTE *rawInputBuffer;
+ PRAWINPUT pRawInput;
+ UINT res;
+ RID_DEVICE_INFO sRidDeviceInfo;
+
+ if (!sball_initialized)
+ {
+ fgPlatformInitializeSpaceball();
+ if (!sball_initialized)
+ {
+ return;
+ }
+ }
+
+ res = GetRawInputData(hRawInput, RID_INPUT, NULL, &size, sizeof(RAWINPUTHEADER));
+ if (res == -1)
+ return;
+
+ rawInputBuffer = malloc(size * sizeof *rawInputBuffer);
+ pRawInput = (PRAWINPUT)rawInputBuffer;
+
+ res = GetRawInputData(hRawInput, RID_INPUT, pRawInput, &size, sizeof(RAWINPUTHEADER));
+ if (res == -1)
+ return;
+ if (pRawInput->header.dwType != RIM_TYPEHID)
+ return;
+
+ sRidDeviceInfo.cbSize = sizeof(RID_DEVICE_INFO);
+ size = sizeof(RID_DEVICE_INFO);
+ res = GetRawInputDeviceInfo(pRawInput->header.hDevice, RIDI_DEVICEINFO, &sRidDeviceInfo, &size);
+ if (res == -1)
+ return;
+ {
+ SFG_Window* window = fgWindowByHandle(hwnd);
+ if ((window == NULL))
+ return;
+
+ if (sRidDeviceInfo.hid.dwVendorId == LOGITECH_VENDOR_ID)
+ {
+ // Motion data comes in two parts: motion type and
+ // displacement/rotation along three axis.
+ // Orientation is a right handed coordinate system with
+ // X goes right, Y goes up and Z goes towards viewer, e.g.
+ // the one used in OpenGL
+ if (pRawInput->data.hid.bRawData[0] ==
+ SPNAV_EVENT_MOTION_TRANSLATION)
+ { // Translation vector
+ short* pnData = (short*)(&pRawInput->data.hid.bRawData[1]);
+ short X = pnData[0];
+ short Y = -pnData[2];
+ short Z = pnData[1];
+ INVOKE_WCB(*window, SpaceMotion, (X, Y, Z));
+ }
+ else if (pRawInput->data.hid.bRawData[0] ==
+ SPNAV_EVENT_MOTION_ROTATION)
+ { // Axis aligned rotation vector
+ short* pnData = (short*)(&pRawInput->data.hid.bRawData[1]);
+ short rX = pnData[0];
+ short rY = -pnData[2];
+ short rZ = pnData[1];
+ INVOKE_WCB(*window, SpaceRotation, (rX, rY, rZ));
+ }
+ else if (pRawInput->data.hid.bRawData[0] ==
+ SPNAV_EVENT_BUTTON)
+ { // State of the keys
+ unsigned long dwKeystate = *(unsigned long*)(&pRawInput->data.hid.bRawData[1]);
+ unsigned int state = GLUT_UP;
+ if (FETCH_WCB(*window, SpaceButton))
+ {
+ int i;
+ for (i = 0; i < 32; i++)
+ {
+ unsigned long stateBefore = __fgSpaceKeystate&(1 << i);
+ unsigned long stateNow = dwKeystate&(1 << i);
+
+ if (stateBefore && !stateNow)
+ INVOKE_WCB(*window, SpaceButton, (stateBefore, GLUT_UP));
+ if (!stateBefore && stateNow)
+ INVOKE_WCB(*window, SpaceButton, (stateNow, GLUT_DOWN));
+
+ }
+ }
+ __fgSpaceKeystate = dwKeystate;
+ }
+ }
+ }
projects / freeglut / commitdiff