* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
- * Contributor(s): none yet.
+ * Contributor(s):
+ * Mike Erwin
*
* ***** END GPL LICENSE BLOCK *****
*/
-/** \file ghost/intern/GHOST_NDOFManager.cpp
- * \ingroup GHOST
- */
+#include "GHOST_NDOFManager.h"
+#include "GHOST_EventNDOF.h"
+#include "GHOST_EventKey.h"
+#include "GHOST_WindowManager.h"
+#include <string.h> // for memory functions
+#include <stdio.h> // for error/info reporting
+#include <math.h>
+#ifdef DEBUG_NDOF_MOTION
+// printable version of each GHOST_TProgress value
+static const char* progress_string[] =
+ {"not started","starting","in progress","finishing","finished"};
+#endif
-#include <stdio.h> /* just for printf */
+#ifdef DEBUG_NDOF_BUTTONS
+static const char* ndof_button_names[] = {
+ // used internally, never sent
+ "NDOF_BUTTON_NONE",
+ // these two are available from any 3Dconnexion device
+ "NDOF_BUTTON_MENU",
+ "NDOF_BUTTON_FIT",
+ // standard views
+ "NDOF_BUTTON_TOP",
+ "NDOF_BUTTON_BOTTOM",
+ "NDOF_BUTTON_LEFT",
+ "NDOF_BUTTON_RIGHT",
+ "NDOF_BUTTON_FRONT",
+ "NDOF_BUTTON_BACK",
+ // more views
+ "NDOF_BUTTON_ISO1",
+ "NDOF_BUTTON_ISO2",
+ // 90 degree rotations
+ "NDOF_BUTTON_ROLL_CW",
+ "NDOF_BUTTON_ROLL_CCW",
+ "NDOF_BUTTON_SPIN_CW",
+ "NDOF_BUTTON_SPIN_CCW",
+ "NDOF_BUTTON_TILT_CW",
+ "NDOF_BUTTON_TILT_CCW",
+ // device control
+ "NDOF_BUTTON_ROTATE",
+ "NDOF_BUTTON_PANZOOM",
+ "NDOF_BUTTON_DOMINANT",
+ "NDOF_BUTTON_PLUS",
+ "NDOF_BUTTON_MINUS",
+ // general-purpose buttons
+ "NDOF_BUTTON_1",
+ "NDOF_BUTTON_2",
+ "NDOF_BUTTON_3",
+ "NDOF_BUTTON_4",
+ "NDOF_BUTTON_5",
+ "NDOF_BUTTON_6",
+ "NDOF_BUTTON_7",
+ "NDOF_BUTTON_8",
+ "NDOF_BUTTON_9",
+ "NDOF_BUTTON_10",
+ };
+#endif
-#include "GHOST_NDOFManager.h"
+static const NDOF_ButtonT SpaceNavigator_HID_map[] =
+ {
+ NDOF_BUTTON_MENU,
+ NDOF_BUTTON_FIT
+ };
+static const NDOF_ButtonT SpaceExplorer_HID_map[] =
+ {
+ NDOF_BUTTON_1,
+ NDOF_BUTTON_2,
+ NDOF_BUTTON_TOP,
+ NDOF_BUTTON_LEFT,
+ NDOF_BUTTON_RIGHT,
+ NDOF_BUTTON_FRONT,
+ NDOF_BUTTON_NONE, // esc key
+ NDOF_BUTTON_NONE, // alt key
+ NDOF_BUTTON_NONE, // shift key
+ NDOF_BUTTON_NONE, // ctrl key
+ NDOF_BUTTON_FIT,
+ NDOF_BUTTON_MENU,
+ NDOF_BUTTON_PLUS,
+ NDOF_BUTTON_MINUS,
+ NDOF_BUTTON_ROTATE
+ };
-// the variable is outside the class because it must be accessed from plugin
-static volatile GHOST_TEventNDOFData currentNdofValues = {0,0,0,0,0,0,0,0,0,0,0};
+static const NDOF_ButtonT SpacePilotPro_HID_map[] =
+ {
+ NDOF_BUTTON_MENU,
+ NDOF_BUTTON_FIT,
+ NDOF_BUTTON_TOP,
+ NDOF_BUTTON_LEFT,
+ NDOF_BUTTON_RIGHT,
+ NDOF_BUTTON_FRONT,
+ NDOF_BUTTON_BOTTOM,
+ NDOF_BUTTON_BACK,
+ NDOF_BUTTON_ROLL_CW,
+ NDOF_BUTTON_ROLL_CCW,
+ NDOF_BUTTON_ISO1,
+ NDOF_BUTTON_ISO2,
+ NDOF_BUTTON_1,
+ NDOF_BUTTON_2,
+ NDOF_BUTTON_3,
+ NDOF_BUTTON_4,
+ NDOF_BUTTON_5,
+ NDOF_BUTTON_6,
+ NDOF_BUTTON_7,
+ NDOF_BUTTON_8,
+ NDOF_BUTTON_9,
+ NDOF_BUTTON_10,
+ NDOF_BUTTON_NONE, // esc key
+ NDOF_BUTTON_NONE, // alt key
+ NDOF_BUTTON_NONE, // shift key
+ NDOF_BUTTON_NONE, // ctrl key
+ NDOF_BUTTON_ROTATE,
+ NDOF_BUTTON_PANZOOM,
+ NDOF_BUTTON_DOMINANT,
+ NDOF_BUTTON_PLUS,
+ NDOF_BUTTON_MINUS
+ };
-#if !defined(_WIN32) && !defined(__APPLE__)
-#include "GHOST_SystemX11.h"
-#endif
+static const NDOF_ButtonT SpacePilot_HID_map[] =
+// this is the older SpacePilot (sans Pro)
+// thanks to polosson for the info in this table
+ {
+ NDOF_BUTTON_1,
+ NDOF_BUTTON_2,
+ NDOF_BUTTON_3,
+ NDOF_BUTTON_4,
+ NDOF_BUTTON_5,
+ NDOF_BUTTON_6,
+ NDOF_BUTTON_TOP,
+ NDOF_BUTTON_LEFT,
+ NDOF_BUTTON_RIGHT,
+ NDOF_BUTTON_FRONT,
+ NDOF_BUTTON_NONE, // esc key
+ NDOF_BUTTON_NONE, // alt key
+ NDOF_BUTTON_NONE, // shift key
+ NDOF_BUTTON_NONE, // ctrl key
+ NDOF_BUTTON_FIT,
+ NDOF_BUTTON_MENU,
+ NDOF_BUTTON_PLUS,
+ NDOF_BUTTON_MINUS,
+ NDOF_BUTTON_DOMINANT,
+ NDOF_BUTTON_ROTATE,
+ NDOF_BUTTON_NONE // the CONFIG button -- what does it do?
+ };
-namespace
-{
- GHOST_NDOFLibraryInit_fp ndofLibraryInit = 0;
- GHOST_NDOFLibraryShutdown_fp ndofLibraryShutdown = 0;
- GHOST_NDOFDeviceOpen_fp ndofDeviceOpen = 0;
-}
-
-GHOST_NDOFManager::GHOST_NDOFManager()
-{
- m_DeviceHandle = 0;
-
- // discover the API from the plugin
- ndofLibraryInit = 0;
- ndofLibraryShutdown = 0;
- ndofDeviceOpen = 0;
-}
-
-GHOST_NDOFManager::~GHOST_NDOFManager()
-{
- if (ndofLibraryShutdown)
- ndofLibraryShutdown(m_DeviceHandle);
-
- m_DeviceHandle = 0;
-}
-
-
-int
-GHOST_NDOFManager::deviceOpen(GHOST_IWindow* window,
- GHOST_NDOFLibraryInit_fp setNdofLibraryInit,
- GHOST_NDOFLibraryShutdown_fp setNdofLibraryShutdown,
- GHOST_NDOFDeviceOpen_fp setNdofDeviceOpen)
-{
- int Pid;
-
- ndofLibraryInit = setNdofLibraryInit;
- ndofLibraryShutdown = setNdofLibraryShutdown;
- ndofDeviceOpen = setNdofDeviceOpen;
-
- if (ndofLibraryInit && ndofDeviceOpen)
- {
- Pid= ndofLibraryInit();
-#if 0
- printf("%i client \n", Pid);
-#endif
- #if defined(WITH_HEADLESS)
- /* do nothing */
- #elif defined(_WIN32) || defined(__APPLE__)
- m_DeviceHandle = ndofDeviceOpen((void *)¤tNdofValues);
- #elif defined(WITH_GHOST_SDL)
- /* do nothing */
- #else
- GHOST_SystemX11 *sys;
- sys = static_cast<GHOST_SystemX11*>(GHOST_ISystem::getSystem());
- void *ndofInfo = sys->prepareNdofInfo(¤tNdofValues);
- m_DeviceHandle = ndofDeviceOpen(ndofInfo);
+GHOST_NDOFManager::GHOST_NDOFManager(GHOST_System& sys)
+ : m_system(sys)
+ , m_deviceType(NDOF_UnknownDevice) // each platform has its own device detection code
+ , m_buttonCount(0)
+ , m_buttonMask(0)
+ , m_buttons(0)
+ , m_motionTime(0)
+ , m_prevMotionTime(0)
+ , m_motionState(GHOST_kNotStarted)
+ , m_motionEventPending(false)
+ , m_deadZone(0.f)
+ {
+ // to avoid the rare situation where one triple is updated and
+ // the other is not, initialize them both here:
+ memset(m_translation, 0, sizeof(m_translation));
+ memset(m_rotation, 0, sizeof(m_rotation));
+
+ #ifdef WITH_BF_3DMOUSE
+ puts("WITH_BF_3DMOUSE is defined!");
+ #else
+ puts("WITH_BF_3DMOUSE is not defined.");
+ #endif
+ }
+
+bool GHOST_NDOFManager::setDevice(unsigned short vendor_id, unsigned short product_id)
+ {
+ // default to NDOF_UnknownDevice so rogue button events will get discarded
+ // "mystery device" owners can help build a HID_map for their hardware
+
+ switch (vendor_id)
+ {
+ case 0x046D: // Logitech (3Dconnexion)
+ switch (product_id)
+ {
+ // -- current devices --
+ case 0xC626:
+ puts("ndof: using SpaceNavigator");
+ m_deviceType = NDOF_SpaceNavigator;
+ m_buttonCount = 2;
+ break;
+ case 0xC628:
+ puts("ndof: using SpaceNavigator for Notebooks");
+ m_deviceType = NDOF_SpaceNavigator; // for Notebooks
+ m_buttonCount = 2;
+ break;
+ case 0xC627:
+ puts("ndof: using SpaceExplorer");
+ m_deviceType = NDOF_SpaceExplorer;
+ m_buttonCount = 15;
+ break;
+ case 0xC629:
+ puts("ndof: using SpacePilotPro");
+ m_deviceType = NDOF_SpacePilotPro;
+ m_buttonCount = 31;
+ break;
+
+ // -- older devices --
+ case 0xC625:
+ puts("ndof: using SpacePilot");
+ m_deviceType = NDOF_SpacePilot;
+ m_buttonCount = 21;
+ break;
+
+ case 0xC623:
+ puts("ndof: SpaceTraveler not supported, please file a bug report");
+ m_buttonCount = 8;
+ break;
+
+ default:
+ printf("ndof: unknown Logitech product %04hx\n", product_id);
+ }
+ break;
+ default:
+ printf("ndof: unknown device %04hx:%04hx\n", vendor_id, product_id);
+ }
+
+ if (m_deviceType == NDOF_UnknownDevice)
+ return false;
+ else
+ {
+ m_buttonMask = ~(-1 << m_buttonCount);
+
+ #ifdef DEBUG_NDOF_BUTTONS
+ printf("ndof: %d buttons -> hex:%X\n", m_buttonCount, m_buttonMask);
#endif
- return (Pid > 0) ? 0 : 1;
-
- } else
- return 1;
-}
-
-
-bool
-GHOST_NDOFManager::available() const
-{
- return m_DeviceHandle != 0;
-}
-
-bool
-GHOST_NDOFManager::event_present() const
-{
- if( currentNdofValues.changed >0) {
- printf("time %llu but%u x%i y%i z%i rx%i ry%i rz%i \n" ,
- currentNdofValues.time, currentNdofValues.buttons,
- currentNdofValues.tx,currentNdofValues.ty,currentNdofValues.tz,
- currentNdofValues.rx,currentNdofValues.ry,currentNdofValues.rz);
- return true;
- }else
- return false;
-
-}
-
-void GHOST_NDOFManager::GHOST_NDOFGetDatas(GHOST_TEventNDOFData &datas) const
-{
- datas.tx = currentNdofValues.tx;
- datas.ty = currentNdofValues.ty;
- datas.tz = currentNdofValues.tz;
- datas.rx = currentNdofValues.rx;
- datas.ry = currentNdofValues.ry;
- datas.rz = currentNdofValues.rz;
- datas.buttons = currentNdofValues.buttons;
- datas.client = currentNdofValues.client;
- datas.address = currentNdofValues.address;
- datas.time = currentNdofValues.time;
- datas.delta = currentNdofValues.delta;
-}
+
+ return true;
+ }
+ }
+
+void GHOST_NDOFManager::updateTranslation(short t[3], GHOST_TUns64 time)
+ {
+ memcpy(m_translation, t, sizeof(m_translation));
+ m_motionTime = time;
+ m_motionEventPending = true;
+ }
+
+void GHOST_NDOFManager::updateRotation(short r[3], GHOST_TUns64 time)
+ {
+ memcpy(m_rotation, r, sizeof(m_rotation));
+ m_motionTime = time;
+ m_motionEventPending = true;
+ }
+
+void GHOST_NDOFManager::sendButtonEvent(NDOF_ButtonT button, bool press, GHOST_TUns64 time, GHOST_IWindow* window)
+ {
+ GHOST_EventNDOFButton* event = new GHOST_EventNDOFButton(time, window);
+ GHOST_TEventNDOFButtonData* data = (GHOST_TEventNDOFButtonData*) event->getData();
+
+ data->action = press ? GHOST_kPress : GHOST_kRelease;
+ data->button = button;
+
+ #ifdef DEBUG_NDOF_BUTTONS
+ printf("%s %s\n", ndof_button_names[button], press ? "pressed" : "released");
+ #endif
+
+ m_system.pushEvent(event);
+ }
+
+void GHOST_NDOFManager::sendKeyEvent(GHOST_TKey key, bool press, GHOST_TUns64 time, GHOST_IWindow* window)
+ {
+ GHOST_TEventType type = press ? GHOST_kEventKeyDown : GHOST_kEventKeyUp;
+ GHOST_EventKey* event = new GHOST_EventKey(time, type, window, key);
+
+ #ifdef DEBUG_NDOF_BUTTONS
+ printf("keyboard %s\n", press ? "down" : "up");
+ #endif
+
+ m_system.pushEvent(event);
+ }
+
+void GHOST_NDOFManager::updateButton(int button_number, bool press, GHOST_TUns64 time)
+ {
+ GHOST_IWindow* window = m_system.getWindowManager()->getActiveWindow();
+
+ #ifdef DEBUG_NDOF_BUTTONS
+ if (m_deviceType != NDOF_UnknownDevice)
+ printf("ndof: button %d -> ", button_number);
+ #endif
+
+ switch (m_deviceType)
+ {
+ case NDOF_SpaceNavigator:
+ sendButtonEvent(SpaceNavigator_HID_map[button_number], press, time, window);
+ break;
+ case NDOF_SpaceExplorer:
+ switch (button_number)
+ {
+ case 6: sendKeyEvent(GHOST_kKeyEsc, press, time, window); break;
+ case 7: sendKeyEvent(GHOST_kKeyLeftAlt, press, time, window); break;
+ case 8: sendKeyEvent(GHOST_kKeyLeftShift, press, time, window); break;
+ case 9: sendKeyEvent(GHOST_kKeyLeftControl, press, time, window); break;
+ default: sendButtonEvent(SpaceExplorer_HID_map[button_number], press, time, window);
+ }
+ break;
+ case NDOF_SpacePilotPro:
+ switch (button_number)
+ {
+ case 22: sendKeyEvent(GHOST_kKeyEsc, press, time, window); break;
+ case 23: sendKeyEvent(GHOST_kKeyLeftAlt, press, time, window); break;
+ case 24: sendKeyEvent(GHOST_kKeyLeftShift, press, time, window); break;
+ case 25: sendKeyEvent(GHOST_kKeyLeftControl, press, time, window); break;
+ default: sendButtonEvent(SpacePilotPro_HID_map[button_number], press, time, window);
+ }
+ break;
+ case NDOF_SpacePilot:
+ switch (button_number)
+ {
+ case 10: sendKeyEvent(GHOST_kKeyEsc, press, time, window); break;
+ case 11: sendKeyEvent(GHOST_kKeyLeftAlt, press, time, window); break;
+ case 12: sendKeyEvent(GHOST_kKeyLeftShift, press, time, window); break;
+ case 13: sendKeyEvent(GHOST_kKeyLeftControl, press, time, window); break;
+ case 20: puts("ndof: ignoring CONFIG button"); break;
+ default: sendButtonEvent(SpacePilot_HID_map[button_number], press, time, window);
+ }
+ break;
+ case NDOF_UnknownDevice:
+ printf("ndof: button %d on unknown device (ignoring)\n", button_number);
+ }
+
+ int mask = 1 << button_number;
+ if (press)
+ m_buttons |= mask; // set this button's bit
+ else
+ m_buttons &= ~mask; // clear this button's bit
+ }
+
+void GHOST_NDOFManager::updateButtons(int button_bits, GHOST_TUns64 time)
+ {
+ button_bits &= m_buttonMask; // discard any "garbage" bits
+
+ int diff = m_buttons ^ button_bits;
+
+ for (int button_number = 0; button_number < m_buttonCount; ++button_number)
+ {
+ int mask = 1 << button_number;
+
+ if (diff & mask)
+ {
+ bool press = button_bits & mask;
+ updateButton(button_number, press, time);
+ }
+ }
+ }
+
+void GHOST_NDOFManager::setDeadZone(float dz)
+ {
+ if (dz < 0.f)
+ // negative values don't make sense, so clamp at zero
+ dz = 0.f;
+ else if (dz > 0.5f)
+ // warn the rogue user/programmer, but allow it
+ printf("ndof: dead zone of %.2f is rather high...\n", dz);
+
+ m_deadZone = dz;
+
+ printf("ndof: dead zone set to %.2f\n", dz);
+ }
+
+static bool atHomePosition(GHOST_TEventNDOFMotionData* ndof)
+ {
+ #define HOME(foo) (ndof->foo == 0)
+ return HOME(tx) && HOME(ty) && HOME(tz) && HOME(rx) && HOME(ry) && HOME(rz);
+ }
+
+static bool nearHomePosition(GHOST_TEventNDOFMotionData* ndof, float threshold)
+ {
+ if (threshold == 0.f)
+ return atHomePosition(ndof);
+ else
+ {
+ #define HOME1(foo) (fabsf(ndof->foo) < threshold)
+ return HOME1(tx) && HOME1(ty) && HOME1(tz) && HOME1(rx) && HOME1(ry) && HOME1(rz);
+ }
+ }
+
+bool GHOST_NDOFManager::sendMotionEvent()
+ {
+ if (!m_motionEventPending)
+ return false;
+
+ m_motionEventPending = false; // any pending motion is handled right now
+
+ GHOST_IWindow* window = m_system.getWindowManager()->getActiveWindow();
+ if (window == NULL)
+ return false; // delivery will fail, so don't bother sending
+
+ GHOST_EventNDOFMotion* event = new GHOST_EventNDOFMotion(m_motionTime, window);
+ GHOST_TEventNDOFMotionData* data = (GHOST_TEventNDOFMotionData*) event->getData();
+
+ // scale axis values here to normalize them to around +/- 1
+ // they are scaled again for overall sensitivity in the WM based on user prefs
+
+ const float scale = 1.f / 350.f; // 3Dconnexion devices send +/- 350 usually
+
+ data->tx = scale * m_translation[0];
+ data->ty = scale * m_translation[1];
+ data->tz = scale * m_translation[2];
+
+ data->rx = scale * m_rotation[0];
+ data->ry = scale * m_rotation[1];
+ data->rz = scale * m_rotation[2];
+
+ data->dt = 0.001f * (m_motionTime - m_prevMotionTime); // in seconds
+
+ bool handMotion = !nearHomePosition(data, m_deadZone);
+
+ // determine what kind of motion event to send (Starting, InProgress, Finishing)
+ // and where that leaves this NDOF manager (NotStarted, InProgress, Finished)
+ switch (m_motionState)
+ {
+ case GHOST_kNotStarted:
+ case GHOST_kFinished:
+ if (handMotion)
+ {
+ data->progress = GHOST_kStarting;
+ m_motionState = GHOST_kInProgress;
+ // prev motion time will be ancient, so just make up something reasonable
+ data->dt = 0.0125f;
+ }
+ else
+ {
+ // send no event and keep current state
+ delete event;
+ return false;
+ }
+ break;
+ case GHOST_kInProgress:
+ if (handMotion)
+ {
+ data->progress = GHOST_kInProgress;
+ // keep InProgress state
+ }
+ else
+ {
+ data->progress = GHOST_kFinishing;
+ m_motionState = GHOST_kFinished;
+ }
+ break;
+ }
+
+ #ifdef DEBUG_NDOF_MOTION
+ printf("ndof motion sent -- %s\n", progress_string[data->progress]);
+
+ // show details about this motion event
+ printf(" T=(%.2f,%.2f,%.2f) R=(%.2f,%.2f,%.2f) dt=%.3f\n",
+ data->tx, data->ty, data->tz,
+ data->rx, data->ry, data->rz,
+ data->dt);
+ #endif
+
+ m_system.pushEvent(event);
+
+ m_prevMotionTime = m_motionTime;
+
+ return true;
+ }