xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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grabdevb.c (5213B)

      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 button 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 "grabdevb.h"
     67 
     68 /***********************************************************************
     69  *
     70  * Handle requests from clients with a different byte order.
     71  *
     72  */
     73 
     74 int _X_COLD
     75 SProcXGrabDeviceButton(ClientPtr client)
     76 {
     77     REQUEST(xGrabDeviceButtonReq);
     78     swaps(&stuff->length);
     79     REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq);
     80     swapl(&stuff->grabWindow);
     81     swaps(&stuff->modifiers);
     82     swaps(&stuff->event_count);
     83     REQUEST_FIXED_SIZE(xGrabDeviceButtonReq,
     84                        stuff->event_count * sizeof(CARD32));
     85     SwapLongs((CARD32 *) (&stuff[1]), stuff->event_count);
     86 
     87     return (ProcXGrabDeviceButton(client));
     88 }
     89 
     90 /***********************************************************************
     91  *
     92  * Grab a button on an extension device.
     93  *
     94  */
     95 
     96 int
     97 ProcXGrabDeviceButton(ClientPtr client)
     98 {
     99     int ret;
    100     DeviceIntPtr dev;
    101     DeviceIntPtr mdev;
    102     XEventClass *class;
    103     struct tmask tmp[EMASKSIZE];
    104     GrabParameters param;
    105     GrabMask mask;
    106 
    107     REQUEST(xGrabDeviceButtonReq);
    108     REQUEST_AT_LEAST_SIZE(xGrabDeviceButtonReq);
    109 
    110     if (stuff->length !=
    111         bytes_to_int32(sizeof(xGrabDeviceButtonReq)) + stuff->event_count)
    112         return BadLength;
    113 
    114     ret = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
    115     if (ret != Success)
    116         return ret;
    117 
    118     if (stuff->modifier_device != UseXKeyboard) {
    119         ret = dixLookupDevice(&mdev, stuff->modifier_device, client,
    120                               DixUseAccess);
    121         if (ret != Success)
    122             return ret;
    123         if (mdev->key == NULL)
    124             return BadMatch;
    125     }
    126     else {
    127         mdev = PickKeyboard(client);
    128         ret = XaceHook(XACE_DEVICE_ACCESS, client, mdev, DixUseAccess);
    129         if (ret != Success)
    130             return ret;
    131     }
    132 
    133     class = (XEventClass *) (&stuff[1]);        /* first word of values */
    134 
    135     if ((ret = CreateMaskFromList(client, class,
    136                                   stuff->event_count, tmp, dev,
    137                                   X_GrabDeviceButton)) != Success)
    138         return ret;
    139 
    140     param = (GrabParameters) {
    141         .grabtype = XI,
    142         .ownerEvents = stuff->ownerEvents,
    143         .this_device_mode = stuff->this_device_mode,
    144         .other_devices_mode = stuff->other_devices_mode,
    145         .grabWindow = stuff->grabWindow,
    146         .modifiers = stuff->modifiers
    147     };
    148     mask.xi = tmp[stuff->grabbed_device].mask;
    149 
    150     ret = GrabButton(client, dev, mdev, stuff->button, &param, XI, &mask);
    151 
    152     return ret;
    153 }