xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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grabdevk.c (5147B)

      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 grab a key on an extension 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 "windowstr.h"          /* window structure  */
     59 #include <X11/extensions/XI.h>
     60 #include <X11/extensions/XIproto.h>
     61 #include "exevents.h"
     62 #include "exglobals.h"
     63 #include "xace.h"
     64 
     65 #include "grabdev.h"
     66 #include "grabdevk.h"
     67 
     68 /***********************************************************************
     69  *
     70  * Handle requests from clients with a different byte order.
     71  *
     72  */
     73 
     74 int _X_COLD
     75 SProcXGrabDeviceKey(ClientPtr client)
     76 {
     77     REQUEST(xGrabDeviceKeyReq);
     78     swaps(&stuff->length);
     79     REQUEST_AT_LEAST_SIZE(xGrabDeviceKeyReq);
     80     swapl(&stuff->grabWindow);
     81     swaps(&stuff->modifiers);
     82     swaps(&stuff->event_count);
     83     REQUEST_FIXED_SIZE(xGrabDeviceKeyReq, stuff->event_count * sizeof(CARD32));
     84     SwapLongs((CARD32 *) (&stuff[1]), stuff->event_count);
     85     return (ProcXGrabDeviceKey(client));
     86 }
     87 
     88 /***********************************************************************
     89  *
     90  * Grab a key on an extension device.
     91  *
     92  */
     93 
     94 int
     95 ProcXGrabDeviceKey(ClientPtr client)
     96 {
     97     int ret;
     98     DeviceIntPtr dev;
     99     DeviceIntPtr mdev;
    100     XEventClass *class;
    101     struct tmask tmp[EMASKSIZE];
    102     GrabParameters param;
    103     GrabMask mask;
    104 
    105     REQUEST(xGrabDeviceKeyReq);
    106     REQUEST_AT_LEAST_SIZE(xGrabDeviceKeyReq);
    107 
    108     if (stuff->length !=
    109         bytes_to_int32(sizeof(xGrabDeviceKeyReq)) + stuff->event_count)
    110         return BadLength;
    111 
    112     ret = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
    113     if (ret != Success)
    114         return ret;
    115 
    116     if (stuff->modifier_device != UseXKeyboard) {
    117         ret = dixLookupDevice(&mdev, stuff->modifier_device, client,
    118                               DixUseAccess);
    119         if (ret != Success)
    120             return ret;
    121         if (mdev->key == NULL)
    122             return BadMatch;
    123     }
    124     else {
    125         mdev = PickKeyboard(client);
    126         ret = XaceHook(XACE_DEVICE_ACCESS, client, mdev, DixUseAccess);
    127         if (ret != Success)
    128             return ret;
    129     }
    130 
    131     class = (XEventClass *) (&stuff[1]);        /* first word of values */
    132 
    133     if ((ret = CreateMaskFromList(client, class,
    134                                   stuff->event_count, tmp, dev,
    135                                   X_GrabDeviceKey)) != Success)
    136         return ret;
    137 
    138     param = (GrabParameters) {
    139         .grabtype = XI,
    140         .ownerEvents = stuff->ownerEvents,
    141         .this_device_mode = stuff->this_device_mode,
    142         .other_devices_mode = stuff->other_devices_mode,
    143         .grabWindow = stuff->grabWindow,
    144         .modifiers = stuff->modifiers
    145     };
    146     mask.xi = tmp[stuff->grabbed_device].mask;
    147 
    148     ret = GrabKey(client, dev, mdev, stuff->key, &param, XI, &mask);
    149 
    150     return ret;
    151 }