151 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			151 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
| /************************************************************
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| 
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| Copyright 1989, 1998  The Open Group
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| 
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| Permission to use, copy, modify, distribute, and sell this software and its
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| documentation for any purpose is hereby granted without fee, provided that
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| the above copyright notice appear in all copies and that both that
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| copyright notice and this permission notice appear in supporting
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| documentation.
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| 
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| The above copyright notice and this permission notice shall be included in
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| all copies or substantial portions of the Software.
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| 
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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| OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 
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| Except as contained in this notice, the name of The Open Group shall not be
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| used in advertising or otherwise to promote the sale, use or other dealings
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| in this Software without prior written authorization from The Open Group.
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| 
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| Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
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| 
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| 			All Rights Reserved
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| 
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| Permission to use, copy, modify, and distribute this software and its
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| documentation for any purpose and without fee is hereby granted,
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| provided that the above copyright notice appear in all copies and that
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| both that copyright notice and this permission notice appear in
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| supporting documentation, and that the name of Hewlett-Packard not be
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| used in advertising or publicity pertaining to distribution of the
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| software without specific, written prior permission.
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| 
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| HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| SOFTWARE.
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| 
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| ********************************************************/
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| 
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| /***********************************************************************
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|  *
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|  * Request to release a grab of a key on an extension device.
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|  *
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|  */
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| 
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| #define	 NEED_EVENTS
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| #define	 NEED_REPLIES
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include "inputstr.h"	/* DeviceIntPtr      */
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| #include "windowstr.h"	/* window structure  */
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| #include <X11/extensions/XI.h>
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| #include <X11/extensions/XIproto.h>
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| #include "extinit.h"	/* LookupDeviceIntRec */
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| #include "exglobals.h"
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| #include "dixgrabs.h"
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| 
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| #include "ungrdevk.h"
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| 
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| #define AllModifiersMask ( \
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| 	ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
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| 	Mod3Mask | Mod4Mask | Mod5Mask )
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| 
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| /***********************************************************************
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|  *
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|  * Handle requests from a client with a different byte order.
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|  *
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|  */
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| 
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| int
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| SProcXUngrabDeviceKey(ClientPtr client)
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| {
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|     char n;
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| 
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|     REQUEST(xUngrabDeviceKeyReq);
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|     swaps(&stuff->length, n);
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|     REQUEST_SIZE_MATCH(xUngrabDeviceKeyReq);
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|     swapl(&stuff->grabWindow, n);
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|     swaps(&stuff->modifiers, n);
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|     return (ProcXUngrabDeviceKey(client));
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| }
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| 
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| /***********************************************************************
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|  *
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|  * Release a grab of a key on an extension device.
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|  *
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|  */
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| 
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| int
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| ProcXUngrabDeviceKey(ClientPtr client)
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| {
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|     DeviceIntPtr dev;
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|     DeviceIntPtr mdev;
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|     WindowPtr pWin;
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|     GrabRec temporaryGrab;
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|     int rc;
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| 
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|     REQUEST(xUngrabDeviceKeyReq);
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|     REQUEST_SIZE_MATCH(xUngrabDeviceKeyReq);
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| 
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|     dev = LookupDeviceIntRec(stuff->grabbed_device);
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|     if (dev == NULL)
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| 	return BadDevice;
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|     if (dev->key == NULL)
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| 	return BadMatch;
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| 
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|     if (stuff->modifier_device != UseXKeyboard) {
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| 	mdev = LookupDeviceIntRec(stuff->modifier_device);
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| 	if (mdev == NULL)
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| 	    return BadDevice;
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| 	if (mdev->key == NULL)
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| 	    return BadMatch;
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|     } else
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| 	mdev = (DeviceIntPtr) LookupKeyboardDevice();
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| 
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|     rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixUnknownAccess);
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|     if (rc != Success)
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| 	return rc;
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| 
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|     if (((stuff->key > dev->key->curKeySyms.maxKeyCode) ||
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| 	 (stuff->key < dev->key->curKeySyms.minKeyCode))
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| 	&& (stuff->key != AnyKey))
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| 	return BadValue;
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| 
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|     if ((stuff->modifiers != AnyModifier) &&
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| 	(stuff->modifiers & ~AllModifiersMask))
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| 	return BadValue;
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| 
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|     temporaryGrab.resource = client->clientAsMask;
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|     temporaryGrab.device = dev;
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|     temporaryGrab.window = pWin;
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|     temporaryGrab.type = DeviceKeyPress;
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|     temporaryGrab.modifierDevice = mdev;
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|     temporaryGrab.modifiersDetail.exact = stuff->modifiers;
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|     temporaryGrab.modifiersDetail.pMask = NULL;
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|     temporaryGrab.detail.exact = stuff->key;
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|     temporaryGrab.detail.pMask = NULL;
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| 
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|     DeletePassiveGrabFromList(&temporaryGrab);
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|     return Success;
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| }
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