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- /* $Header: xungrdevb.c,v 1.7 91/05/05 18:29:43 rws Exp $ */
-
- /************************************************************
- Copyright (c) 1989 by Hewlett-Packard Company, Palo Alto, California, and the
- Massachusetts Institute of Technology, Cambridge, Massachusetts.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Hewlett-Packard or MIT not be
- used in advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
- ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
- HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
- ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
- ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
- SOFTWARE.
-
- ********************************************************/
-
- /***********************************************************************
- *
- * Request to release a grab of a button on an extension device.
- *
- */
-
- #define NEED_EVENTS
- #define NEED_REPLIES
- #include "X.h" /* for inputstr.h */
- #include "Xproto.h" /* Request macro */
- #include "inputstr.h" /* DeviceIntPtr */
- #include "windowstr.h" /* window structure */
- #include "XI.h"
- #include "XIproto.h"
-
- extern int IReqCode;
- extern int BadDevice;
- extern int DeviceButtonPress;
- extern void (* ReplySwapVector[256]) ();
- DeviceIntPtr LookupDeviceIntRec();
-
- /***********************************************************************
- *
- * Handle requests from a client with a different byte order.
- *
- */
-
- int
- SProcXUngrabDeviceButton(client)
- register ClientPtr client;
- {
- register char n;
-
- REQUEST(xUngrabDeviceButtonReq);
- swaps(&stuff->length, n);
- swapl(&stuff->grabWindow, n);
- swaps(&stuff->modifiers, n);
- return(ProcXUngrabDeviceButton(client));
- }
-
- /***********************************************************************
- *
- * Release a grab of a button on an extension device.
- *
- */
-
- int
- ProcXUngrabDeviceButton(client)
- ClientPtr client;
- {
- DeviceIntPtr dev;
- DeviceIntPtr mdev;
- WindowPtr pWin;
- GrabRec temporaryGrab;
-
- REQUEST(xUngrabDeviceButtonReq);
- REQUEST_SIZE_MATCH(xUngrabDeviceButtonReq);
-
- dev = LookupDeviceIntRec (stuff->grabbed_device);
- if (dev == NULL)
- {
- SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0,
- BadDevice);
- return Success;
- }
- if (dev->button == NULL)
- {
- SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0,
- BadMatch);
- return Success;
- }
-
- if (stuff->modifier_device != UseXKeyboard)
- {
- mdev = LookupDeviceIntRec (stuff->modifier_device);
- if (mdev == NULL)
- {
- SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0,
- BadDevice);
- return Success;
- }
- if (mdev->key == NULL)
- {
- SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0,
- BadMatch);
- return Success;
- }
- }
- else
- mdev = (DeviceIntPtr) LookupKeyboardDevice();
-
- pWin = LookupWindow(stuff->grabWindow, client);
- if (!pWin)
- {
- SendErrorToClient(client, IReqCode, X_UngrabDeviceButton, 0,
- BadWindow);
- return Success;
- }
-
- temporaryGrab.resource = client->clientAsMask;
- temporaryGrab.device = dev;
- temporaryGrab.window = pWin;
- temporaryGrab.type = DeviceButtonPress;
- temporaryGrab.modifierDevice = mdev;
- temporaryGrab.modifiersDetail.exact = stuff->modifiers;
- temporaryGrab.modifiersDetail.pMask = NULL;
- temporaryGrab.detail.exact = stuff->button;
- temporaryGrab.detail.pMask = NULL;
-
- DeletePassiveGrabFromList(&temporaryGrab);
- return Success;
- }
-