Xi/opendev.c

   1 /************************************************************
   2
   3 Copyright 1989, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  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 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24
  25 Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
  26
  27                         All Rights Reserved
  28
  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
  34 used in advertising or publicity pertaining to distribution of the
  35 software without specific, written prior permission.
  36
  37 HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  39 HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  43 SOFTWARE.
  44
  45 ********************************************************/
  46
  47 /***********************************************************************
  48  *
  49  * Request to open an extension input device.
  50  *
  51  */
  52
  53 #ifdef HAVE_DIX_CONFIG_H
  54 #include <dix-config.h>
  55 #endif
  56
  57 #include "inputstr.h"           /* DeviceIntPtr      */
  58 #include <X11/extensions/XI.h>
  59 #include <X11/extensions/XIproto.h>
  60 #include "XIstubs.h"
  61 #include "windowstr.h"          /* window structure  */
  62 #include "exglobals.h"
  63 #include "exevents.h"
  64
  65 #include "opendev.h"
  66
  67 extern CARD8 event_base[];
  68
  69 /***********************************************************************
  70  *
  71  * This procedure swaps the request if the server and client have different
  72  * byte orderings.
  73  *
  74  */
  75
  76 int
  77 SProcXOpenDevice(ClientPtr client)
  78 {
  79     REQUEST(xOpenDeviceReq);
  80     swaps(&stuff->length);
  81     return (ProcXOpenDevice(client));
  82 }
  83
  84 /***********************************************************************
  85  *
  86  * This procedure causes the server to open an input device.
  87  *
  88  */
  89
  90 int
  91 ProcXOpenDevice(ClientPtr client)
  92 {
  93     xInputClassInfo evbase[numInputClasses];
  94     int j = 0;
  95     int status = Success;
  96     xOpenDeviceReply rep;
  97     DeviceIntPtr dev;
  98
  99     REQUEST(xOpenDeviceReq);
 100     REQUEST_SIZE_MATCH(xOpenDeviceReq);
 101
 102     status = dixLookupDevice(&dev, stuff->deviceid, client, DixUseAccess);
 103
 104     if (status == BadDevice) {  /* not open */
 105         for (dev = inputInfo.off_devices; dev; dev = dev->next)
 106             if (dev->id == stuff->deviceid)
 107                 break;
 108         if (dev == NULL)
 109             return BadDevice;
 110     }
 111     else if (status != Success)
 112         return status;
 113
 114     if (IsMaster(dev))
 115         return BadDevice;
 116
 117     if (status != Success)
 118         return status;
 119
 120     if (dev->key != NULL) {
 121         evbase[j].class = KeyClass;
 122         evbase[j++].event_type_base = event_base[KeyClass];
 123     }
 124     if (dev->button != NULL) {
 125         evbase[j].class = ButtonClass;
 126         evbase[j++].event_type_base = event_base[ButtonClass];
 127     }
 128     if (dev->valuator != NULL) {
 129         evbase[j].class = ValuatorClass;
 130         evbase[j++].event_type_base = event_base[ValuatorClass];
 131     }
 132     if (dev->kbdfeed != NULL || dev->ptrfeed != NULL || dev->leds != NULL ||
 133         dev->intfeed != NULL || dev->bell != NULL || dev->stringfeed != NULL) {
 134         evbase[j].class = FeedbackClass;
 135         evbase[j++].event_type_base = event_base[FeedbackClass];
 136     }
 137     if (dev->focus != NULL) {
 138         evbase[j].class = FocusClass;
 139         evbase[j++].event_type_base = event_base[FocusClass];
 140     }
 141     if (dev->proximity != NULL) {
 142         evbase[j].class = ProximityClass;
 143         evbase[j++].event_type_base = event_base[ProximityClass];
 144     }
 145     evbase[j].class = OtherClass;
 146     evbase[j++].event_type_base = event_base[OtherClass];
 147     rep = (xOpenDeviceReply) {
 148         .repType = X_Reply,
 149         .RepType = X_OpenDevice,
 150         .sequenceNumber = client->sequence,
 151         .length = bytes_to_int32(j * sizeof(xInputClassInfo)),
 152         .num_classes = j
 153     };
 154     WriteReplyToClient(client, sizeof(xOpenDeviceReply), &rep);
 155     WriteToClient(client, j * sizeof(xInputClassInfo), evbase);
 156     return Success;
 157 }
 158
 159 /***********************************************************************
 160  *
 161  * This procedure writes the reply for the XOpenDevice function,
 162  * if the client and server have a different byte ordering.
 163  *
 164  */
 165
 166 void
 167 SRepXOpenDevice(ClientPtr client, int size, xOpenDeviceReply * rep)
 168 {
 169     swaps(&rep->sequenceNumber);
 170     swapl(&rep->length);
 171     WriteToClient(client, size, rep);
 172 }