xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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xichangecursor.c (3352B)

      1 /*
      2  * Copyright 2007-2008 Peter Hutterer
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     21  * DEALINGS IN THE SOFTWARE.
     22  *
     23  * Author: Peter Hutterer, University of South Australia, NICTA
     24  */
     25 
     26 /***********************************************************************
     27  *
     28  * Request to change a given device pointer's cursor.
     29  *
     30  */
     31 
     32 #ifdef HAVE_DIX_CONFIG_H
     33 #include <dix-config.h>
     34 #endif
     35 
     36 #include <X11/X.h>              /* for inputstr.h    */
     37 #include <X11/Xproto.h>         /* Request macro     */
     38 #include "inputstr.h"           /* DeviceIntPtr      */
     39 #include "windowstr.h"          /* window structure  */
     40 #include "scrnintstr.h"         /* screen structure  */
     41 #include <X11/extensions/XI.h>
     42 #include <X11/extensions/XI2proto.h>
     43 #include "extnsionst.h"
     44 #include "exevents.h"
     45 #include "exglobals.h"
     46 #include "input.h"
     47 
     48 #include "xichangecursor.h"
     49 
     50 /***********************************************************************
     51  *
     52  * This procedure allows a client to set one pointer's cursor.
     53  *
     54  */
     55 
     56 int _X_COLD
     57 SProcXIChangeCursor(ClientPtr client)
     58 {
     59     REQUEST(xXIChangeCursorReq);
     60     REQUEST_SIZE_MATCH(xXIChangeCursorReq);
     61     swaps(&stuff->length);
     62     swapl(&stuff->win);
     63     swapl(&stuff->cursor);
     64     swaps(&stuff->deviceid);
     65     return (ProcXIChangeCursor(client));
     66 }
     67 
     68 int
     69 ProcXIChangeCursor(ClientPtr client)
     70 {
     71     int rc;
     72     WindowPtr pWin = NULL;
     73     DeviceIntPtr pDev = NULL;
     74     CursorPtr pCursor = NULL;
     75 
     76     REQUEST(xXIChangeCursorReq);
     77     REQUEST_SIZE_MATCH(xXIChangeCursorReq);
     78 
     79     rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixSetAttrAccess);
     80     if (rc != Success)
     81         return rc;
     82 
     83     if (!IsMaster(pDev) || !IsPointerDevice(pDev))
     84         return BadDevice;
     85 
     86     if (stuff->win != None) {
     87         rc = dixLookupWindow(&pWin, stuff->win, client, DixSetAttrAccess);
     88         if (rc != Success)
     89             return rc;
     90     }
     91 
     92     if (stuff->cursor == None) {
     93         if (pWin == pWin->drawable.pScreen->root)
     94             pCursor = rootCursor;
     95         else
     96             pCursor = (CursorPtr) None;
     97     }
     98     else {
     99         rc = dixLookupResourceByType((void **) &pCursor, stuff->cursor,
    100                                      RT_CURSOR, client, DixUseAccess);
    101         if (rc != Success)
    102             return rc;
    103     }
    104 
    105     ChangeWindowDeviceCursor(pWin, pDev, pCursor);
    106 
    107     return Success;
    108 }