intern/ghost/intern/GHOST_NDOFManager.cpp

   1 /*
   2  * ***** BEGIN GPL LICENSE BLOCK *****
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * Contributor(s): none yet.
  19  *
  20  * ***** END GPL LICENSE BLOCK *****
  21  */
  22
  23 /** \file ghost/intern/GHOST_NDOFManager.cpp
  24  *  \ingroup GHOST
  25  */
  26
  27
  28 #include <stdio.h> /* just for printf */
  29
  30 #include "GHOST_NDOFManager.h"
  31
  32
  33 // the variable is outside the class because it must be accessed from plugin
  34 static volatile GHOST_TEventNDOFData currentNdofValues = {0,0,0,0,0,0,0,0,0,0,0};
  35
  36 #if !defined(_WIN32) && !defined(__APPLE__)
  37 #include "GHOST_SystemX11.h"
  38 #endif
  39
  40 namespace
  41 {
  42     GHOST_NDOFLibraryInit_fp ndofLibraryInit = 0;
  43     GHOST_NDOFLibraryShutdown_fp ndofLibraryShutdown = 0;
  44     GHOST_NDOFDeviceOpen_fp ndofDeviceOpen = 0;
  45 }
  46
  47 GHOST_NDOFManager::GHOST_NDOFManager()
  48 {
  49     m_DeviceHandle = 0;
  50
  51     // discover the API from the plugin
  52     ndofLibraryInit = 0;
  53     ndofLibraryShutdown = 0;
  54     ndofDeviceOpen = 0;
  55 }
  56
  57 GHOST_NDOFManager::~GHOST_NDOFManager()
  58 {
  59     if (ndofLibraryShutdown)
  60         ndofLibraryShutdown(m_DeviceHandle);
  61
  62     m_DeviceHandle = 0;
  63 }
  64
  65
  66 int
  67 GHOST_NDOFManager::deviceOpen(GHOST_IWindow* window,
  68         GHOST_NDOFLibraryInit_fp setNdofLibraryInit,
  69         GHOST_NDOFLibraryShutdown_fp setNdofLibraryShutdown,
  70         GHOST_NDOFDeviceOpen_fp setNdofDeviceOpen)
  71 {
  72         int Pid;
  73
  74     ndofLibraryInit = setNdofLibraryInit;
  75     ndofLibraryShutdown = setNdofLibraryShutdown;
  76     ndofDeviceOpen = setNdofDeviceOpen;
  77
  78     if (ndofLibraryInit  && ndofDeviceOpen)
  79     {
  80         Pid= ndofLibraryInit();
  81 #if 0
  82         printf("%i client \n", Pid);
  83 #endif
  84                 #if defined(WITH_HEADLESS)
  85                         /* do nothing */
  86                 #elif defined(_WIN32) || defined(__APPLE__)
  87                         m_DeviceHandle = ndofDeviceOpen((void *)&currentNdofValues);
  88                 #elif defined(WITH_GHOST_SDL)
  89                         /* do nothing */
  90                 #else
  91                         GHOST_SystemX11 *sys;
  92                         sys = static_cast<GHOST_SystemX11*>(GHOST_ISystem::getSystem());
  93                         void *ndofInfo = sys->prepareNdofInfo(&currentNdofValues);
  94                         m_DeviceHandle = ndofDeviceOpen(ndofInfo);
  95                 #endif
  96                  return (Pid > 0) ? 0 : 1;
  97
  98         } else
  99                 return 1;
 100 }
 101
 102
 103 bool
 104 GHOST_NDOFManager::available() const
 105 {
 106     return m_DeviceHandle != 0;
 107 }
 108
 109 bool
 110 GHOST_NDOFManager::event_present() const
 111 {
 112     if( currentNdofValues.changed >0) {
 113                 printf("time %llu but%u x%i y%i z%i rx%i ry%i rz%i \n"  ,
 114                                 currentNdofValues.time,         currentNdofValues.buttons,
 115                                 currentNdofValues.tx,currentNdofValues.ty,currentNdofValues.tz,
 116                                 currentNdofValues.rx,currentNdofValues.ry,currentNdofValues.rz);
 117         return true;
 118         }else
 119         return false;
 120
 121 }
 122
 123 void        GHOST_NDOFManager::GHOST_NDOFGetDatas(GHOST_TEventNDOFData &datas) const
 124 {
 125         datas.tx = currentNdofValues.tx;
 126         datas.ty = currentNdofValues.ty;
 127         datas.tz = currentNdofValues.tz;
 128         datas.rx = currentNdofValues.rx;
 129         datas.ry = currentNdofValues.ry;
 130         datas.rz = currentNdofValues.rz;
 131         datas.buttons = currentNdofValues.buttons;
 132         datas.client = currentNdofValues.client;
 133         datas.address = currentNdofValues.address;
 134         datas.time = currentNdofValues.time;
 135         datas.delta = currentNdofValues.delta;
 136 }