xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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getselev.c (6258B)

      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  * Extension function to get the current selected events for a given window.
     50  *
     51  */
     52 
     53 #ifdef HAVE_DIX_CONFIG_H
     54 #include <dix-config.h>
     55 #endif
     56 
     57 #include <X11/extensions/XI.h>
     58 #include <X11/extensions/XIproto.h>
     59 #include "inputstr.h"           /* DeviceIntPtr      */
     60 #include "windowstr.h"          /* window struct     */
     61 #include "exglobals.h"
     62 #include "swaprep.h"
     63 
     64 #include "getprop.h"
     65 #include "getselev.h"
     66 
     67 /***********************************************************************
     68  *
     69  * This procedure gets the current selected extension events.
     70  *
     71  */
     72 
     73 int _X_COLD
     74 SProcXGetSelectedExtensionEvents(ClientPtr client)
     75 {
     76     REQUEST(xGetSelectedExtensionEventsReq);
     77     swaps(&stuff->length);
     78     REQUEST_SIZE_MATCH(xGetSelectedExtensionEventsReq);
     79     swapl(&stuff->window);
     80     return (ProcXGetSelectedExtensionEvents(client));
     81 }
     82 
     83 /***********************************************************************
     84  *
     85  * This procedure gets the current device select mask,
     86  * if the client and server have a different byte ordering.
     87  *
     88  */
     89 
     90 int
     91 ProcXGetSelectedExtensionEvents(ClientPtr client)
     92 {
     93     int i, rc, total_length = 0;
     94     xGetSelectedExtensionEventsReply rep;
     95     WindowPtr pWin;
     96     XEventClass *buf = NULL;
     97     XEventClass *tclient;
     98     XEventClass *aclient;
     99     OtherInputMasks *pOthers;
    100     InputClientsPtr others;
    101 
    102     REQUEST(xGetSelectedExtensionEventsReq);
    103     REQUEST_SIZE_MATCH(xGetSelectedExtensionEventsReq);
    104 
    105     rep = (xGetSelectedExtensionEventsReply) {
    106         .repType = X_Reply,
    107         .RepType = X_GetSelectedExtensionEvents,
    108         .sequenceNumber = client->sequence,
    109         .length = 0,
    110         .this_client_count = 0,
    111         .all_clients_count = 0
    112     };
    113 
    114     rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
    115     if (rc != Success)
    116         return rc;
    117 
    118     if ((pOthers = wOtherInputMasks(pWin)) != 0) {
    119         for (others = pOthers->inputClients; others; others = others->next)
    120             for (i = 0; i < EMASKSIZE; i++)
    121                 ClassFromMask(NULL, others->mask[i], i,
    122                               &rep.all_clients_count, COUNT);
    123 
    124         for (others = pOthers->inputClients; others; others = others->next)
    125             if (SameClient(others, client)) {
    126                 for (i = 0; i < EMASKSIZE; i++)
    127                     ClassFromMask(NULL, others->mask[i], i,
    128                                   &rep.this_client_count, COUNT);
    129                 break;
    130             }
    131 
    132         total_length = (rep.all_clients_count + rep.this_client_count) *
    133             sizeof(XEventClass);
    134         rep.length = bytes_to_int32(total_length);
    135         buf = (XEventClass *) malloc(total_length);
    136 
    137         tclient = buf;
    138         aclient = buf + rep.this_client_count;
    139         if (others)
    140             for (i = 0; i < EMASKSIZE; i++)
    141                 tclient =
    142                     ClassFromMask(tclient, others->mask[i], i, NULL, CREATE);
    143 
    144         for (others = pOthers->inputClients; others; others = others->next)
    145             for (i = 0; i < EMASKSIZE; i++)
    146                 aclient =
    147                     ClassFromMask(aclient, others->mask[i], i, NULL, CREATE);
    148     }
    149 
    150     WriteReplyToClient(client, sizeof(xGetSelectedExtensionEventsReply), &rep);
    151 
    152     if (total_length) {
    153         client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
    154         WriteSwappedDataToClient(client, total_length, buf);
    155     }
    156     free(buf);
    157     return Success;
    158 }
    159 
    160 /***********************************************************************
    161  *
    162  * This procedure writes the reply for the XGetSelectedExtensionEvents function,
    163  * if the client and server have a different byte ordering.
    164  *
    165  */
    166 
    167 void _X_COLD
    168 SRepXGetSelectedExtensionEvents(ClientPtr client, int size,
    169                                 xGetSelectedExtensionEventsReply * rep)
    170 {
    171     swaps(&rep->sequenceNumber);
    172     swapl(&rep->length);
    173     swaps(&rep->this_client_count);
    174     swaps(&rep->all_clients_count);
    175     WriteToClient(client, size, rep);
    176 }