src/tuio.c

   1 /*
   2  * Copyright (c) 2009 Ryan Huffman
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  20  * THE SOFTWARE.
  21  *
  22  * Authors:
  23  *      Ryan Huffman (ryanhuffman@gmail.com)
  24  */
  25
  26 #include <sys/stat.h>
  27 #include <unistd.h>
  28 #include <errno.h>
  29 #include <fcntl.h>
  30
  31 #include <xorg/xf86.h>
  32 #include <xorg-server.h>
  33 #include <xf86Xinput.h>
  34 #include <exevents.h>
  35 #include <xorgVersion.h>
  36 #include <X11/extensions/XIproto.h>
  37 #include <X11/extensions/XInput2.h>
  38 #include <xf86_OSlib.h>
  39
  40 #include "tuio.h"
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #endif
  45
  46 /* Module Functions */
  47 static pointer
  48 TuioPlug(pointer, pointer, int *, int *);
  49
  50 static void
  51 TuioUnplug(pointer);
  52
  53 /* Driver Function */
  54 static InputInfoPtr
  55 TuioPreInit(InputDriverPtr drv, IDevPtr dev, int flags);
  56
  57 static XF86ModuleVersionInfo TuioVersionRec =
  58 {
  59     "tuio",
  60     MODULEVENDORSTRING,
  61     MODINFOSTRING1,
  62     MODINFOSTRING2,
  63     XORG_VERSION_CURRENT,
  64     PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL,
  65     ABI_CLASS_XINPUT,
  66     ABI_XINPUT_VERSION,
  67     MOD_CLASS_XINPUT,
  68     {0, 0, 0, 0}
  69 };
  70
  71 _X_EXPORT InputDriverRec TUIO =
  72 {
  73     1,
  74     "tuio",
  75     NULL,
  76     TuioPreInit,
  77     TuioUnInit,
  78     NULL,
  79     0
  80 };
  81
  82 _X_EXPORT XF86ModuleData tuioModuleData =
  83 {
  84     &TuioVersionRec,
  85     TuioPlug,
  86     TuioUnplug
  87 };
  88
  89 static pointer
  90 TuioPlug(pointer        module,
  91           pointer       options,
  92           int           *errmaj,
  93           int           *errmin)
  94 {
  95     xf86AddInputDriver(&TUIO, module, 0);
  96     return module;
  97 }
  98
  99 static void
 100 TuioUnplug(pointer      p)
 101 {
 102 }
 103
 104 static void
 105 TuioReadInput(InputInfoPtr pInfo)
 106 {
 107 }
 108
 109 static int
 110 TuioControl(DeviceIntPtr device, int what)
 111 {
 112     return 1;
 113 }
 114
 115 static InputInfoPtr
 116 TuioPreInit(InputDriverPtr drv, IDevPtr dev, int flags)
 117 {
 118     InputInfoPtr pInfo;
 119     const char *device;
 120
 121     if (!(pInfo = xf86AllocateInput(drv, 0)))
 122         return NULL;
 123
 124     return pInfo;
 125 }
 126
 127 static void
 128 TuioUnInit(InputDriverPtr drv, InputInfoPtr pInfo, int flags)
 129 {
 130 }
 131