diff options
Diffstat (limited to 'intern/ghost/intern/GHOST_NDOFManagerCocoa.mm')
| -rw-r--r-- | intern/ghost/intern/GHOST_NDOFManagerCocoa.mm | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/intern/ghost/intern/GHOST_NDOFManagerCocoa.mm b/intern/ghost/intern/GHOST_NDOFManagerCocoa.mm new file mode 100644 index 00000000000..1d90b6daa68 --- /dev/null +++ b/intern/ghost/intern/GHOST_NDOFManagerCocoa.mm @@ -0,0 +1,176 @@ +/* + * $Id$ + * + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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 2 + * 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, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Contributor(s): + * Mike Erwin + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifdef WITH_INPUT_NDOF + +#include "GHOST_NDOFManagerCocoa.h" +#include "GHOST_SystemCocoa.h" + +extern "C" { + #include <3DconnexionClient/ConnexionClientAPI.h> + #include <stdio.h> + } + +// static functions need to talk to these objects: +static GHOST_SystemCocoa* ghost_system = NULL; +static GHOST_NDOFManager* ndof_manager = NULL; + +// 3Dconnexion drivers before 10.x are "old" +// not all buttons will work +static bool has_old_driver = true; + +static void NDOF_DeviceAdded(io_connect_t connection) +{ + printf("ndof: device added\n"); // change these: printf --> informational reports + +#if 0 // device preferences will be useful some day + ConnexionDevicePrefs p; + ConnexionGetCurrentDevicePrefs(kDevID_AnyDevice, &p); +#endif + + // determine exactly which device is plugged in + SInt32 result = 0; + ConnexionControl(kConnexionCtlGetDeviceID, 0, &result); + unsigned short vendorID = result >> 16; + unsigned short productID = result & 0xffff; + + ndof_manager->setDevice(vendorID, productID); +} + +static void NDOF_DeviceRemoved(io_connect_t connection) +{ + printf("ndof: device removed\n"); +} + +static void NDOF_DeviceEvent(io_connect_t connection, natural_t messageType, void* messageArgument) +{ + switch (messageType) + { + case kConnexionMsgDeviceState: + { + ConnexionDeviceState* s = (ConnexionDeviceState*)messageArgument; + + GHOST_TUns64 now = ghost_system->getMilliSeconds(); + + switch (s->command) + { + case kConnexionCmdHandleAxis: + { + // convert to blender view coordinates + short t[3] = {s->axis[0], -(s->axis[2]), s->axis[1]}; + short r[3] = {-(s->axis[3]), s->axis[5], -(s->axis[4])}; + + ndof_manager->updateTranslation(t, now); + ndof_manager->updateRotation(r, now); + + ghost_system->notifyExternalEventProcessed(); + break; + } + case kConnexionCmdHandleButtons: + { + int button_bits = has_old_driver ? s->buttons8 : s->buttons; + ndof_manager->updateButtons(button_bits, now); + ghost_system->notifyExternalEventProcessed(); + break; + } + case kConnexionCmdAppSpecific: + printf("ndof: app-specific command, param = %hd, value = %d\n", s->param, s->value); + break; + + default: + printf("ndof: mystery device command %d\n", s->command); + } + break; + } + case kConnexionMsgPrefsChanged: + // printf("ndof: prefs changed\n"); // this includes app switches + // TODO: look through updated prefs for things blender cares about + break; + case kConnexionMsgCalibrateDevice: + printf("ndof: calibrate\n"); // but what should blender do? + break; + case kConnexionMsgDoMapping: + // printf("ndof: driver did something\n"); + // sent when the driver itself consumes an NDOF event + // and performs whatever action is set in user prefs + // 3Dx header file says to ignore these + break; + default: + printf("ndof: mystery event %d\n", messageType); + } +} + +GHOST_NDOFManagerCocoa::GHOST_NDOFManagerCocoa(GHOST_System& sys) + : GHOST_NDOFManager(sys) +{ + if (available()) + { + // give static functions something to talk to: + ghost_system = dynamic_cast<GHOST_SystemCocoa*>(&sys); + ndof_manager = this; + + OSErr error = InstallConnexionHandlers(NDOF_DeviceEvent, NDOF_DeviceAdded, NDOF_DeviceRemoved); + if (error) { + printf("ndof: error %d while installing handlers\n", error); + return; + } + + // Pascal string *and* a four-letter constant. How old-skool. + m_clientID = RegisterConnexionClient('blnd', (UInt8*) "\007blender", + kConnexionClientModeTakeOver, kConnexionMaskAll); + + // printf("ndof: client id = %d\n", m_clientID); + + if (SetConnexionClientButtonMask != NULL) { + has_old_driver = false; + SetConnexionClientButtonMask(m_clientID, kConnexionMaskAllButtons); + } + else { + printf("ndof: old 3Dx driver installed, some buttons may not work\n"); + } + } + else { + printf("ndof: 3Dx driver not found\n"); + // This isn't a hard error, just means the user doesn't have a 3D mouse. + } +} + +GHOST_NDOFManagerCocoa::~GHOST_NDOFManagerCocoa() +{ + UnregisterConnexionClient(m_clientID); + CleanupConnexionHandlers(); + ghost_system = NULL; + ndof_manager = NULL; +} + +bool GHOST_NDOFManagerCocoa::available() +{ + // extern OSErr InstallConnexionHandlers() __attribute__((weak_import)); + // ^^ not needed since the entire framework is weak-linked + return InstallConnexionHandlers != NULL; + // this means that the driver is installed and dynamically linked to blender +} + +#endif // WITH_INPUT_NDOF |