xorg-server-1.4/Xi/stubs.c

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   3 Copyright 1989, 1998  The Open Group
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  23 in this Software without prior written authorization from The Open Group.
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  25 Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
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  27                         All Rights Reserved
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  29 Permission to use, copy, modify, and distribute this software and its
  30 documentation for any purpose and without fee is hereby granted,
  31 provided that the above copyright notice appear in all copies and that
  32 both that copyright notice and this permission notice appear in
  33 supporting documentation, and that the name of Hewlett-Packard not be
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  45 ********************************************************/
  46
  47 /*
  48  * stubs.c -- stub routines for the X server side of the XINPUT
  49  * extension.  This file is mainly to be used only as documentation.
  50  * There is not much code here, and you can't get a working XINPUT
  51  * server just using this.
  52  * The Xvfb server uses this file so it will compile with the same
  53  * object files as the real X server for a platform that has XINPUT.
  54  * Xnest could do the same thing.
  55  */
  56
  57 #define  NEED_EVENTS
  58 #ifdef HAVE_DIX_CONFIG_H
  59 #include <dix-config.h>
  60 #endif
  61
  62 #include <X11/X.h>
  63 #include <X11/Xproto.h>
  64 #include "inputstr.h"
  65 #include <X11/extensions/XI.h>
  66 #include <X11/extensions/XIproto.h>
  67 #include "XIstubs.h"
  68
  69 /***********************************************************************
  70  *
  71  * Caller:      ProcXCloseDevice
  72  *
  73  * Take care of implementation-dependent details of closing a device.
  74  * Some implementations may actually close the device, others may just
  75  * remove this clients interest in that device.
  76  *
  77  * The default implementation is to do nothing (assume all input devices
  78  * are initialized during X server initialization and kept open).
  79  *
  80  */
  81
  82 void
  83 CloseInputDevice(DeviceIntPtr d, ClientPtr client)
  84 {
  85 }
  86
  87 /***********************************************************************
  88  *
  89  * Caller:      ProcXListInputDevices
  90  *
  91  * This is the implementation-dependent routine to initialize an input
  92  * device to the point that information about it can be listed.
  93  * Some implementations open all input devices when the server is first
  94  * initialized, and never close them.  Other implementations open only
  95  * the X pointer and keyboard devices during server initialization,
  96  * and only open other input devices when some client makes an
  97  * XOpenDevice request.  If some other process has the device open, the
  98  * server may not be able to get information about the device to list it.
  99  *
 100  * This procedure should be used by implementations that do not initialize
 101  * all input devices at server startup.  It should do device-dependent
 102  * initialization for any devices not previously initialized, and call
 103  * AddInputDevice for each of those devices so that a DeviceIntRec will be
 104  * created for them.
 105  *
 106  * The default implementation is to do nothing (assume all input devices
 107  * are initialized during X server initialization and kept open).
 108  * The commented-out sample code shows what you might do if you don't want
 109  * the default.
 110  *
 111  */
 112
 113 void
 114 AddOtherInputDevices(void)
 115 {
 116     /**********************************************************************
 117      for each uninitialized device, do something like:
 118
 119     DeviceIntPtr dev;
 120     DeviceProc deviceProc;
 121     pointer private;
 122
 123     dev = (DeviceIntPtr) AddInputDevice(deviceProc, TRUE);
 124     dev->public.devicePrivate = private;
 125     RegisterOtherDevice(dev);
 126     dev->inited = ((*dev->deviceProc)(dev, DEVICE_INIT) == Success);
 127     ************************************************************************/
 128
 129 }
 130
 131 /***********************************************************************
 132  *
 133  * Caller:      ProcXOpenDevice
 134  *
 135  * This is the implementation-dependent routine to open an input device.
 136  * Some implementations open all input devices when the server is first
 137  * initialized, and never close them.  Other implementations open only
 138  * the X pointer and keyboard devices during server initialization,
 139  * and only open other input devices when some client makes an
 140  * XOpenDevice request.  This entry point is for the latter type of
 141  * implementation.
 142  *
 143  * If the physical device is not already open, do it here.  In this case,
 144  * you need to keep track of the fact that one or more clients has the
 145  * device open, and physically close it when the last client that has
 146  * it open does an XCloseDevice.
 147  *
 148  * The default implementation is to do nothing (assume all input devices
 149  * are opened during X server initialization and kept open).
 150  *
 151  */
 152
 153 void
 154 OpenInputDevice(DeviceIntPtr dev, ClientPtr client, int *status)
 155 {
 156 }
 157
 158 /****************************************************************************
 159  *
 160  * Caller:      ProcXSetDeviceMode
 161  *
 162  * Change the mode of an extension device.
 163  * This function is used to change the mode of a device from reporting
 164  * relative motion to reporting absolute positional information, and
 165  * vice versa.
 166  * The default implementation below is that no such devices are supported.
 167  *
 168  */
 169
 170 int
 171 SetDeviceMode(ClientPtr client, DeviceIntPtr dev, int mode)
 172 {
 173     return BadMatch;
 174 }
 175
 176 /****************************************************************************
 177  *
 178  * Caller:      ProcXSetDeviceValuators
 179  *
 180  * Set the value of valuators on an extension input device.
 181  * This function is used to set the initial value of valuators on
 182  * those input devices that are capable of reporting either relative
 183  * motion or an absolute position, and allow an initial position to be set.
 184  * The default implementation below is that no such devices are supported.
 185  *
 186  */
 187
 188 int
 189 SetDeviceValuators(ClientPtr client, DeviceIntPtr dev,
 190                    int *valuators, int first_valuator, int num_valuators)
 191 {
 192     return BadMatch;
 193 }
 194
 195 /****************************************************************************
 196  *
 197  * Caller:      ProcXChangeDeviceControl
 198  *
 199  * Change the specified device controls on an extension input device.
 200  *
 201  */
 202
 203 int
 204 ChangeDeviceControl(ClientPtr client, DeviceIntPtr dev,
 205                     xDeviceCtl * control)
 206 {
 207     switch (control->control) {
 208     case DEVICE_RESOLUTION:
 209         return (BadMatch);
 210     case DEVICE_ABS_CALIB:
 211     case DEVICE_ABS_AREA:
 212         return (BadMatch);
 213     case DEVICE_CORE:
 214         return (BadMatch);
 215     default:
 216         return (BadMatch);
 217     }
 218 }
 219
 220
 221 /****************************************************************************
 222  *
 223  * Caller: configAddDevice (and others)
 224  *
 225  * Add a new device with the specified options.
 226  *
 227  */
 228 int
 229 NewInputDeviceRequest(InputOption *options, DeviceIntPtr *pdev)
 230 {
 231     return BadValue;
 232 }
 233
 234 /****************************************************************************
 235  *
 236  * Caller: configRemoveDevice (and others)
 237  *
 238  * Remove the specified device previously added.
 239  *
 240  */
 241 void
 242 DeleteInputDeviceRequest(DeviceIntPtr dev)
 243 {
 244 }