797ed93386
One year after Ilja van Sprundel, discovered and reported a large number of issues in the way the X server code base handles requests from X clients, they have been fixed.
132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/*
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* Copyright 2008 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Author: Peter Hutterer
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*/
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/***********************************************************************
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*
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* Request to set and get an input device's focus.
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*
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*/
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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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#include "inputstr.h" /* DeviceIntPtr */
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#include "windowstr.h" /* window structure */
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#include <X11/extensions/XI2.h>
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#include <X11/extensions/XI2proto.h>
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#include "exglobals.h" /* BadDevice */
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#include "xisetdevfocus.h"
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int
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SProcXISetFocus(ClientPtr client)
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{
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REQUEST(xXISetFocusReq);
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REQUEST_AT_LEAST_SIZE(xXISetFocusReq);
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swaps(&stuff->length);
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swaps(&stuff->deviceid);
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swapl(&stuff->focus);
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swapl(&stuff->time);
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return ProcXISetFocus(client);
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}
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int
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SProcXIGetFocus(ClientPtr client)
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{
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REQUEST(xXIGetFocusReq);
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REQUEST_AT_LEAST_SIZE(xXIGetFocusReq);
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swaps(&stuff->length);
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swaps(&stuff->deviceid);
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return ProcXIGetFocus(client);
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}
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int
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ProcXISetFocus(ClientPtr client)
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{
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DeviceIntPtr dev;
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int ret;
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REQUEST(xXISetFocusReq);
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REQUEST_AT_LEAST_SIZE(xXISetFocusReq);
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ret = dixLookupDevice(&dev, stuff->deviceid, client, DixSetFocusAccess);
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if (ret != Success)
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return ret;
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if (!dev->focus)
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return BadDevice;
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return SetInputFocus(client, dev, stuff->focus, RevertToParent,
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stuff->time, TRUE);
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}
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int
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ProcXIGetFocus(ClientPtr client)
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{
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xXIGetFocusReply rep;
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DeviceIntPtr dev;
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int ret;
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REQUEST(xXIGetFocusReq);
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REQUEST_AT_LEAST_SIZE(xXIGetFocusReq);
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ret = dixLookupDevice(&dev, stuff->deviceid, client, DixGetFocusAccess);
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if (ret != Success)
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return ret;
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if (!dev->focus)
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return BadDevice;
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rep = (xXIGetFocusReply) {
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.repType = X_Reply,
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.RepType = X_XIGetFocus,
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.sequenceNumber = client->sequence,
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.length = 0
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};
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if (dev->focus->win == NoneWin)
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rep.focus = None;
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else if (dev->focus->win == PointerRootWin)
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rep.focus = PointerRoot;
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else if (dev->focus->win == FollowKeyboardWin)
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rep.focus = FollowKeyboard;
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else
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rep.focus = dev->focus->win->drawable.id;
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WriteReplyToClient(client, sizeof(xXIGetFocusReply), &rep);
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return Success;
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}
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void
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SRepXIGetFocus(ClientPtr client, int len, xXIGetFocusReply * rep)
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{
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swaps(&rep->sequenceNumber);
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swapl(&rep->length);
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swapl(&rep->focus);
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WriteToClient(client, len, rep);
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}
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