xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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ungrdevk.c (5210B)

      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 release a grab of 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 "exglobals.h"
     62 #include "dixgrabs.h"
     63 #include "xkbsrv.h"
     64 #include "xkbstr.h"
     65 
     66 #include "ungrdevk.h"
     67 
     68 #define AllModifiersMask ( \
     69 	ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
     70 	Mod3Mask | Mod4Mask | Mod5Mask )
     71 
     72 /***********************************************************************
     73  *
     74  * Handle requests from a client with a different byte order.
     75  *
     76  */
     77 
     78 int _X_COLD
     79 SProcXUngrabDeviceKey(ClientPtr client)
     80 {
     81     REQUEST(xUngrabDeviceKeyReq);
     82     swaps(&stuff->length);
     83     REQUEST_SIZE_MATCH(xUngrabDeviceKeyReq);
     84     swapl(&stuff->grabWindow);
     85     swaps(&stuff->modifiers);
     86     return (ProcXUngrabDeviceKey(client));
     87 }
     88 
     89 /***********************************************************************
     90  *
     91  * Release a grab of a key on an extension device.
     92  *
     93  */
     94 
     95 int
     96 ProcXUngrabDeviceKey(ClientPtr client)
     97 {
     98     DeviceIntPtr dev;
     99     DeviceIntPtr mdev;
    100     WindowPtr pWin;
    101     GrabPtr temporaryGrab;
    102     int rc;
    103 
    104     REQUEST(xUngrabDeviceKeyReq);
    105     REQUEST_SIZE_MATCH(xUngrabDeviceKeyReq);
    106 
    107     rc = dixLookupDevice(&dev, stuff->grabbed_device, client, DixGrabAccess);
    108     if (rc != Success)
    109         return rc;
    110     if (dev->key == NULL)
    111         return BadMatch;
    112 
    113     if (stuff->modifier_device != UseXKeyboard) {
    114         rc = dixLookupDevice(&mdev, stuff->modifier_device, client,
    115                              DixReadAccess);
    116         if (rc != Success)
    117             return BadDevice;
    118         if (mdev->key == NULL)
    119             return BadMatch;
    120     }
    121     else
    122         mdev = PickKeyboard(client);
    123 
    124     rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess);
    125     if (rc != Success)
    126         return rc;
    127 
    128     if (((stuff->key > dev->key->xkbInfo->desc->max_key_code) ||
    129          (stuff->key < dev->key->xkbInfo->desc->min_key_code))
    130         && (stuff->key != AnyKey))
    131         return BadValue;
    132 
    133     if ((stuff->modifiers != AnyModifier) &&
    134         (stuff->modifiers & ~AllModifiersMask))
    135         return BadValue;
    136 
    137     temporaryGrab = AllocGrab(NULL);
    138     if (!temporaryGrab)
    139         return BadAlloc;
    140 
    141     temporaryGrab->resource = client->clientAsMask;
    142     temporaryGrab->device = dev;
    143     temporaryGrab->window = pWin;
    144     temporaryGrab->type = DeviceKeyPress;
    145     temporaryGrab->grabtype = XI;
    146     temporaryGrab->modifierDevice = mdev;
    147     temporaryGrab->modifiersDetail.exact = stuff->modifiers;
    148     temporaryGrab->modifiersDetail.pMask = NULL;
    149     temporaryGrab->detail.exact = stuff->key;
    150     temporaryGrab->detail.pMask = NULL;
    151 
    152     DeletePassiveGrabFromList(temporaryGrab);
    153     FreeGrab(temporaryGrab);
    154     return Success;
    155 }