xserver mesa xkbcomp libxcb git update 21 jan 2011

3 files changed, 3488 insertions, 3484 deletions

diff --git a/xorg-server/Xi/exevents.c b/xorg-server/Xi/exevents.c
index 40e03337d..327873e29 100644
--- a/xorg-server/Xi/exevents.c
+++ b/xorg-server/Xi/exevents.c
@@ -1,2176 +1,2177 @@
-/************************************************************

-

-Copyright 1989, 1998  The Open Group

-

-Permission to use, copy, modify, distribute, and sell this software and its

-documentation for any purpose is hereby granted without fee, provided that

-the above copyright notice appear in all copies and that both that

-copyright notice and this permission notice appear in supporting

-documentation.

-

-The above copyright notice and this permission notice shall be included in

-all copies or substantial portions of the Software.

-

-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE

-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

-

-Except as contained in this notice, the name of The Open Group shall not be

-used in advertising or otherwise to promote the sale, use or other dealings

-in this Software without prior written authorization from The Open Group.

-

-Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.

-

-			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 name of Hewlett-Packard 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.

-

-********************************************************/

-

-/********************************************************************

- *

- *  Routines to register and initialize extension input devices.

- *  This also contains ProcessOtherEvent, the routine called from DDX

- *  to route extension events.

- *

- */

-

-#ifdef HAVE_DIX_CONFIG_H

-#include <dix-config.h>

-#endif

-

-#include "inputstr.h"

-#include <X11/X.h>

-#include <X11/Xproto.h>

-#include <X11/extensions/XI.h>

-#include <X11/extensions/XIproto.h>

-#include <X11/extensions/XI2proto.h>

-#include <X11/extensions/geproto.h>

-#include "windowstr.h"

-#include "miscstruct.h"

-#include "region.h"

-#include "exevents.h"

-#include "extnsionst.h"

-#include "exglobals.h"

-#include "dixevents.h"	/* DeliverFocusedEvent */

-#include "dixgrabs.h"	/* CreateGrab() */

-#include "scrnintstr.h"

-#include "listdev.h" /* for CopySwapXXXClass */

-#include "xace.h"

-#include "xiquerydevice.h" /* For List*Info */

-#include "eventconvert.h"

-#include "eventstr.h"

-

-#include <X11/extensions/XKBproto.h>

-#include "xkbsrv.h"

-

-#define WID(w) ((w) ? ((w)->drawable.id) : 0)

-#define AllModifiersMask ( \

-	ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \

-	Mod3Mask | Mod4Mask | Mod5Mask )

-#define AllButtonsMask ( \

-	Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )

-

-Bool ShouldFreeInputMasks(WindowPtr /* pWin */ ,

-				 Bool	/* ignoreSelectedEvents */

-    );

-static Bool MakeInputMasks(WindowPtr	/* pWin */

-    );

-

-/*

- * Only let the given client know of core events which will affect its

- * interpretation of input events, if the client's ClientPointer (or the

- * paired keyboard) is the current device.

- */

-int

-XIShouldNotify(ClientPtr client, DeviceIntPtr dev)

-{

-    DeviceIntPtr current_ptr = PickPointer(client);

-    DeviceIntPtr current_kbd = GetPairedDevice(current_ptr);

-

-    if (dev == current_kbd || dev == current_ptr)

-        return 1;

-

-    return 0;

-}

-

-Bool

-IsPointerEvent(InternalEvent* event)

-{

-    switch(event->any.type)

-    {

-        case ET_ButtonPress:

-        case ET_ButtonRelease:

-        case ET_Motion:

-            /* XXX: enter/leave ?? */

-            return TRUE;

-        default:

-            break;

-    }

-    return FALSE;

-}

-

-/**

- * @return the device matching the deviceid of the device set in the event, or

- * NULL if the event is not an XInput event.

- */

-DeviceIntPtr

-XIGetDevice(xEvent* xE)

-{

-    DeviceIntPtr pDev = NULL;

-

-    if (xE->u.u.type == DeviceButtonPress ||

-        xE->u.u.type == DeviceButtonRelease ||

-        xE->u.u.type == DeviceMotionNotify ||

-        xE->u.u.type == ProximityIn ||

-        xE->u.u.type == ProximityOut ||

-        xE->u.u.type == DevicePropertyNotify)

-    {

-        int rc;

-        int id;

-

-        id = ((deviceKeyButtonPointer*)xE)->deviceid & ~MORE_EVENTS;

-

-        rc = dixLookupDevice(&pDev, id, serverClient, DixUnknownAccess);

-        if (rc != Success)

-            ErrorF("[dix] XIGetDevice failed on XACE restrictions (%d)\n", rc);

-    }

-    return pDev;

-}

-

-

-/**

- * Copy the device->key into master->key and send a mapping notify to the

- * clients if appropriate.

- * master->key needs to be allocated by the caller.

- *

- * Device is the slave device. If it is attached to a master device, we may

- * need to send a mapping notify to the client because it causes the MD

- * to change state.

- *

- * Mapping notify needs to be sent in the following cases:

- *      - different slave device on same master

- *      - different master

- *

- * XXX: They way how the code is we also send a map notify if the slave device

- * stays the same, but the master changes. This isn't really necessary though.

- *

- * XXX: this gives you funny behaviour with the ClientPointer. When a

- * MappingNotify is sent to the client, the client usually responds with a

- * GetKeyboardMapping. This will retrieve the ClientPointer's keyboard

- * mapping, regardless of which keyboard sent the last mapping notify request.

- * So depending on the CP setting, your keyboard may change layout in each

- * app...

- *

- * This code is basically the old SwitchCoreKeyboard.

- */

-

-void

-CopyKeyClass(DeviceIntPtr device, DeviceIntPtr master)

-{

-    KeyClassPtr mk = master->key;

-

-    if (device == master)

-        return;

-

-    mk->sourceid = device->id;

-

-

-    if (!XkbCopyDeviceKeymap(master, device))

-        FatalError("Couldn't pivot keymap from device to core!\n");

-}

-

-/**

- * Copies the feedback classes from device "from" into device "to". Classes

- * are duplicated (not just flipping the pointers). All feedback classes are

- * linked lists, the full list is duplicated.

- */

-static void

-DeepCopyFeedbackClasses(DeviceIntPtr from, DeviceIntPtr to)

-{

-    ClassesPtr classes;

-

-

-    if (from->intfeed)

-    {

-        IntegerFeedbackPtr *i, it;

-

-        if (!to->intfeed)

-        {

-            classes = to->unused_classes;

-            to->intfeed = classes->intfeed;

-            classes->intfeed = NULL;

-        }

-

-        i = &to->intfeed;

-        for (it = from->intfeed; it; it = it->next)

-        {

-            if (!(*i))

-            {

-                *i = calloc(1, sizeof(IntegerFeedbackClassRec));

-                if (!(*i))

-                {

-                    ErrorF("[Xi] Cannot alloc memory for class copy.");

-                    return;

-                }

-            }

-            (*i)->CtrlProc = it->CtrlProc;

-            (*i)->ctrl     = it->ctrl;

-

-            i = &(*i)->next;

-        }

-    } else if (to->intfeed && !from->intfeed)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->intfeed = to->intfeed;

-        to->intfeed      = NULL;

-    }

-

-    if (from->stringfeed)

-    {

-        StringFeedbackPtr *s, it;

-

-        if (!to->stringfeed)

-        {

-            classes = to->unused_classes;

-            to->stringfeed = classes->stringfeed;

-            classes->stringfeed = NULL;

-        }

-

-        s = &to->stringfeed;

-        for (it = from->stringfeed; it; it = it->next)

-        {

-            if (!(*s))

-            {

-                *s = calloc(1, sizeof(StringFeedbackClassRec));

-                if (!(*s))

-                {

-                    ErrorF("[Xi] Cannot alloc memory for class copy.");

-                    return;

-                }

-            }

-            (*s)->CtrlProc = it->CtrlProc;

-            (*s)->ctrl     = it->ctrl;

-

-            s = &(*s)->next;

-        }

-    } else if (to->stringfeed && !from->stringfeed)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->stringfeed = to->stringfeed;

-        to->stringfeed      = NULL;

-    }

-

-    if (from->bell)

-    {

-        BellFeedbackPtr *b, it;

-

-        if (!to->bell)

-        {

-            classes = to->unused_classes;

-            to->bell = classes->bell;

-            classes->bell = NULL;

-        }

-

-        b = &to->bell;

-        for (it = from->bell; it; it = it->next)

-        {

-            if (!(*b))

-            {

-                *b = calloc(1, sizeof(BellFeedbackClassRec));

-                if (!(*b))

-                {

-                    ErrorF("[Xi] Cannot alloc memory for class copy.");

-                    return;

-                }

-            }

-            (*b)->BellProc = it->BellProc;

-            (*b)->CtrlProc = it->CtrlProc;

-            (*b)->ctrl     = it->ctrl;

-

-            b = &(*b)->next;

-        }

-    } else if (to->bell && !from->bell)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->bell = to->bell;

-        to->bell      = NULL;

-    }

-

-    if (from->leds)

-    {

-        LedFeedbackPtr *l, it;

-

-        if (!to->leds)

-        {

-            classes = to->unused_classes;

-            to->leds = classes->leds;

-            classes->leds = NULL;

-        }

-

-        l = &to->leds;

-        for (it = from->leds; it; it = it->next)

-        {

-            if (!(*l))

-            {

-                *l = calloc(1, sizeof(LedFeedbackClassRec));

-                if (!(*l))

-                {

-                    ErrorF("[Xi] Cannot alloc memory for class copy.");

-                    return;

-                }

-            }

-            (*l)->CtrlProc = it->CtrlProc;

-            (*l)->ctrl     = it->ctrl;

-            if ((*l)->xkb_sli)

-                XkbFreeSrvLedInfo((*l)->xkb_sli);

-            (*l)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, NULL, *l);

-

-            l = &(*l)->next;

-        }

-    } else if (to->leds && !from->leds)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->leds = to->leds;

-        to->leds      = NULL;

-    }

-}

-

-static void

-DeepCopyKeyboardClasses(DeviceIntPtr from, DeviceIntPtr to)

-{

-    ClassesPtr classes;

-

-    /* XkbInitDevice (->XkbInitIndicatorMap->XkbFindSrvLedInfo) relies on the

-     * kbdfeed to be set up properly, so let's do the feedback classes first.

-     */

-    if (from->kbdfeed)

-    {

-        KbdFeedbackPtr *k, it;

-

-        if (!to->kbdfeed)

-        {

-            classes = to->unused_classes;

-

-            to->kbdfeed = classes->kbdfeed;

-            if (!to->kbdfeed)

-                InitKeyboardDeviceStruct(to, NULL, NULL, NULL);

-            classes->kbdfeed = NULL;

-        }

-

-        k = &to->kbdfeed;

-        for(it = from->kbdfeed; it; it = it->next)

-        {

-            if (!(*k))

-            {

-                *k = calloc(1, sizeof(KbdFeedbackClassRec));

-                if (!*k)

-                {

-                    ErrorF("[Xi] Cannot alloc memory for class copy.");

-                    return;

-                }

-            }

-            (*k)->BellProc = it->BellProc;

-            (*k)->CtrlProc = it->CtrlProc;

-            (*k)->ctrl     = it->ctrl;

-            if ((*k)->xkb_sli)

-                XkbFreeSrvLedInfo((*k)->xkb_sli);

-            (*k)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, *k, NULL);

-

-            k = &(*k)->next;

-        }

-    } else if (to->kbdfeed && !from->kbdfeed)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->kbdfeed = to->kbdfeed;

-        to->kbdfeed      = NULL;

-    }

-

-    if (from->key)

-    {

-        if (!to->key)

-        {

-            classes = to->unused_classes;

-            to->key = classes->key;

-            if (!to->key)

-                InitKeyboardDeviceStruct(to, NULL, NULL, NULL);

-            else

-                classes->key = NULL;

-        }

-

-        CopyKeyClass(from, to);

-    } else if (to->key && !from->key)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->key = to->key;

-        to->key      = NULL;

-    }

-

-    /* If a SrvLedInfoPtr's flags are XkbSLI_IsDefault, the names and maps

-     * pointer point into the xkbInfo->desc struct.  XkbCopySrvLedInfo

-     * didn't update the pointers so we need to do it manually here.

-     */

-    if (to->kbdfeed)

-    {

-        KbdFeedbackPtr k;

-

-        for (k = to->kbdfeed; k; k = k->next)

-        {

-            if (!k->xkb_sli)

-                continue;

-            if (k->xkb_sli->flags & XkbSLI_IsDefault)

-            {

-                k->xkb_sli->names = to->key->xkbInfo->desc->names->indicators;

-                k->xkb_sli->maps = to->key->xkbInfo->desc->indicators->maps;

-            }

-        }

-    }

-

-    /* We can't just copy over the focus class. When an app sets the focus,

-     * it'll do so on the master device. Copying the SDs focus means losing

-     * the focus.

-     * So we only copy the focus class if the device didn't have one,

-     * otherwise we leave it as it is.

-     */

-    if (from->focus)

-    {

-        if (!to->focus)

-        {

-            WindowPtr *oldTrace;

-

-            classes = to->unused_classes;

-            to->focus = classes->focus;

-            if (!to->focus)

-            {

-                to->focus = calloc(1, sizeof(FocusClassRec));

-                if (!to->focus)

-                    FatalError("[Xi] no memory for class shift.\n");

-            } else

-                classes->focus = NULL;

-

-            oldTrace = to->focus->trace;

-            memcpy(to->focus, from->focus, sizeof(FocusClassRec));

-            to->focus->trace = realloc(oldTrace,

-                                  to->focus->traceSize * sizeof(WindowPtr));

-            if (!to->focus->trace && to->focus->traceSize)

-                FatalError("[Xi] no memory for trace.\n");

-            memcpy(to->focus->trace, from->focus->trace,

-                    from->focus->traceSize * sizeof(WindowPtr));

-            to->focus->sourceid = from->id;

-        }

-    } else if (to->focus)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->focus = to->focus;

-        to->focus      = NULL;

-    }

-

-}

-

-static void

-DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)

-{

-    ClassesPtr classes;

-

-    /* Feedback classes must be copied first */

-    if (from->ptrfeed)

-    {

-        PtrFeedbackPtr *p, it;

-        if (!to->ptrfeed)

-        {

-            classes = to->unused_classes;

-            to->ptrfeed = classes->ptrfeed;

-            classes->ptrfeed = NULL;

-        }

-

-        p = &to->ptrfeed;

-        for (it = from->ptrfeed; it; it = it->next)

-        {

-            if (!(*p))

-            {

-                *p = calloc(1, sizeof(PtrFeedbackClassRec));

-                if (!*p)

-                {

-                    ErrorF("[Xi] Cannot alloc memory for class copy.");

-                    return;

-                }

-            }

-            (*p)->CtrlProc = it->CtrlProc;

-            (*p)->ctrl     = it->ctrl;

-

-            p = &(*p)->next;

-        }

-    } else if (to->ptrfeed && !from->ptrfeed)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->ptrfeed = to->ptrfeed;

-        to->ptrfeed      = NULL;

-    }

-

-    if (from->valuator)

-    {

-        ValuatorClassPtr v;

-        if (!to->valuator)

-        {

-            classes = to->unused_classes;

-            to->valuator = classes->valuator;

-            if (to->valuator)

-                classes->valuator = NULL;

-        }

-

-        to->valuator = realloc(to->valuator, sizeof(ValuatorClassRec) +

-                from->valuator->numAxes * sizeof(AxisInfo) +

-                from->valuator->numAxes * sizeof(double));

-        v = to->valuator;

-        if (!v)

-            FatalError("[Xi] no memory for class shift.\n");

-

-        v->numAxes = from->valuator->numAxes;

-        v->axes = (AxisInfoPtr)&v[1];

-        memcpy(v->axes, from->valuator->axes, v->numAxes * sizeof(AxisInfo));

-

-        v->axisVal = (double*)(v->axes + from->valuator->numAxes);

-        v->sourceid = from->id;

-    } else if (to->valuator && !from->valuator)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->valuator = to->valuator;

-        to->valuator      = NULL;

-    }

-

-    if (from->button)

-    {

-        if (!to->button)

-        {

-            classes = to->unused_classes;

-            to->button = classes->button;

-            if (!to->button)

-            {

-                to->button = calloc(1, sizeof(ButtonClassRec));

-                if (!to->button)

-                    FatalError("[Xi] no memory for class shift.\n");

-            } else

-                classes->button = NULL;

-        }

-

-        if (from->button->xkb_acts)

-        {

-            if (!to->button->xkb_acts)

-            {

-                to->button->xkb_acts = calloc(1, sizeof(XkbAction));

-                if (!to->button->xkb_acts)

-                    FatalError("[Xi] not enough memory for xkb_acts.\n");

-            }

-            memcpy(to->button->xkb_acts, from->button->xkb_acts,

-                    sizeof(XkbAction));

-        } else

-            free(to->button->xkb_acts);

-

-         memcpy(to->button->labels, from->button->labels,

-                from->button->numButtons * sizeof(Atom));

-        to->button->sourceid = from->id;

-    } else if (to->button && !from->button)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->button = to->button;

-        to->button      = NULL;

-    }

-

-    if (from->proximity)

-    {

-        if (!to->proximity)

-        {

-            classes = to->unused_classes;

-            to->proximity = classes->proximity;

-            if (!to->proximity)

-            {

-                to->proximity = calloc(1, sizeof(ProximityClassRec));

-                if (!to->proximity)

-                    FatalError("[Xi] no memory for class shift.\n");

-            } else

-                classes->proximity = NULL;

-        }

-        memcpy(to->proximity, from->proximity, sizeof(ProximityClassRec));

-        to->proximity->sourceid = from->id;

-    } else if (to->proximity)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->proximity = to->proximity;

-        to->proximity      = NULL;

-    }

-

-    if (from->absolute)

-    {

-        if (!to->absolute)

-        {

-            classes = to->unused_classes;

-            to->absolute = classes->absolute;

-            if (!to->absolute)

-            {

-                to->absolute = calloc(1, sizeof(AbsoluteClassRec));

-                if (!to->absolute)

-                    FatalError("[Xi] no memory for class shift.\n");

-            } else

-                classes->absolute = NULL;

-        }

-        memcpy(to->absolute, from->absolute, sizeof(AbsoluteClassRec));

-        to->absolute->sourceid = from->id;

-    } else if (to->absolute)

-    {

-        ClassesPtr classes;

-        classes = to->unused_classes;

-        classes->absolute = to->absolute;

-        to->absolute      = NULL;

-    }

-}

-

-/**

- * Copies the CONTENT of the classes of device from into the classes in device

- * to. From and to are identical after finishing.

- *

- * If to does not have classes from currenly has, the classes are stored in

- * to's devPrivates system. Later, we recover it again from there if needed.

- * Saves a few memory allocations.

- */

-void

-DeepCopyDeviceClasses(DeviceIntPtr from, DeviceIntPtr to, DeviceChangedEvent *dce)

-{

-    /* generic feedback classes, not tied to pointer and/or keyboard */

-    DeepCopyFeedbackClasses(from, to);

-

-    if ((dce->flags & DEVCHANGE_KEYBOARD_EVENT))

-        DeepCopyKeyboardClasses(from, to);

-    if ((dce->flags & DEVCHANGE_POINTER_EVENT))

-        DeepCopyPointerClasses(from, to);

-}

-

-

-/**

- * Send an XI2 DeviceChangedEvent to all interested clients.

- */

-void

-XISendDeviceChangedEvent(DeviceIntPtr device, DeviceIntPtr master, DeviceChangedEvent *dce)

-{

-    xXIDeviceChangedEvent *dcce;

-    int rc;

-

-    rc = EventToXI2((InternalEvent*)dce, (xEvent**)&dcce);

-    if (rc != Success)

-    {

-        ErrorF("[Xi] event conversion from DCE failed with code %d\n", rc);

-        return;

-    }

-

-    /* we don't actually swap if there's a NullClient, swapping is done

-     * later when event is delivered. */

-    SendEventToAllWindows(master, XI_DeviceChangedMask, (xEvent*)dcce, 1);

-    free(dcce);

-}

-

-static void

-ChangeMasterDeviceClasses(DeviceIntPtr device, DeviceChangedEvent *dce)

-{

-    DeviceIntPtr slave;

-    int rc;

-

-    /* For now, we don't have devices that change physically. */

-    if (!IsMaster(device))

-        return;

-

-    rc = dixLookupDevice(&slave, dce->sourceid, serverClient, DixReadAccess);

-

-    if (rc != Success)

-        return; /* Device has disappeared */

-

-    if (!slave->u.master)

-        return; /* set floating since the event */

-

-    if (slave->u.master->id != dce->masterid)

-        return; /* not our slave anymore, don't care */

-

-    /* FIXME: we probably need to send a DCE for the new slave now */

-

-    device->public.devicePrivate = slave->public.devicePrivate;

-

-    /* FIXME: the classes may have changed since we generated the event. */

-    DeepCopyDeviceClasses(slave, device, dce);

-    XISendDeviceChangedEvent(slave, device, dce);

-}

-

-/**

- * Update the device state according to the data in the event.

- *

- * return values are

- *   DEFAULT ... process as normal

- *   DONT_PROCESS ... return immediately from caller

- */

-#define DEFAULT 0

-#define DONT_PROCESS 1

-int

-UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)

-{

-    int i;

-    int key = 0,

-        bit = 0,

-        last_valuator;

-

-    KeyClassPtr k       = NULL;

-    ButtonClassPtr b    = NULL;

-    ValuatorClassPtr v  = NULL;

-

-    /* This event is always the first we get, before the actual events with

-     * the data. However, the way how the DDX is set up, "device" will

-     * actually be the slave device that caused the event.

-     */

-    switch(event->type)

-    {

-        case ET_DeviceChanged:

-            ChangeMasterDeviceClasses(device, (DeviceChangedEvent*)event);

-            return DONT_PROCESS; /* event has been sent already */

-        case ET_Motion:

-        case ET_ButtonPress:

-        case ET_ButtonRelease:

-        case ET_KeyPress:

-        case ET_KeyRelease:

-        case ET_ProximityIn:

-        case ET_ProximityOut:

-            break;

-        default:

-            /* other events don't update the device */

-            return DEFAULT;

-    }

-

-    k = device->key;

-    v = device->valuator;

-    b = device->button;

-

-    key = event->detail.key;

-    bit = 1 << (key & 7);

-

-    /* Update device axis */

-    /* Check valuators first */

-    last_valuator = -1;

-    for (i = 0; i < MAX_VALUATORS; i++)

-    {

-        if (BitIsOn(&event->valuators.mask, i))

-        {

-            if (!v)

-            {

-                ErrorF("[Xi] Valuators reported for non-valuator device '%s'. "

-                        "Ignoring event.\n", device->name);

-                return DONT_PROCESS;

-            } else if (v->numAxes < i)

-            {

-                ErrorF("[Xi] Too many valuators reported for device '%s'. "

-                        "Ignoring event.\n", device->name);

-                return DONT_PROCESS;

-            }

-            last_valuator = i;

-        }

-    }

-

-    for (i = 0; i <= last_valuator && i < v->numAxes; i++)

-    {

-        if (BitIsOn(&event->valuators.mask, i))

-        {

-            /* XXX: Relative/Absolute mode */

-            v->axisVal[i] = event->valuators.data[i];

-            v->axisVal[i] += (event->valuators.data_frac[i] * 1.0f / (1 << 16) / (1 << 16));

-        }

-    }

-

-    if (event->type == ET_KeyPress) {

-        if (!k)

-            return DONT_PROCESS;

-

-	/* don't allow ddx to generate multiple downs, but repeats are okay */

-	if (key_is_down(device, key, KEY_PROCESSED) && !event->key_repeat)

-	    return DONT_PROCESS;

-

-	if (device->valuator)

-	    device->valuator->motionHintWindow = NullWindow;

-	set_key_down(device, key, KEY_PROCESSED);

-    } else if (event->type == ET_KeyRelease) {

-        if (!k)

-            return DONT_PROCESS;

-

-	if (!key_is_down(device, key, KEY_PROCESSED))	/* guard against duplicates */

-	    return DONT_PROCESS;

-	if (device->valuator)

-	    device->valuator->motionHintWindow = NullWindow;

-	set_key_up(device, key, KEY_PROCESSED);

-    } else if (event->type == ET_ButtonPress) {

-        Mask mask;

-        if (!b)

-            return DONT_PROCESS;

-

-        if (button_is_down(device, key, BUTTON_PROCESSED))

-            return DONT_PROCESS;

-

-        set_button_down(device, key, BUTTON_PROCESSED);

-	if (device->valuator)

-	    device->valuator->motionHintWindow = NullWindow;

-        if (!b->map[key])

-            return DONT_PROCESS;

-        b->buttonsDown++;

-	b->motionMask = DeviceButtonMotionMask;

-        if (b->map[key] <= 5)

-	    b->state |= (Button1Mask >> 1) << b->map[key];

-

-        /* Add state and motionMask to the filter for this event */

-        mask = DevicePointerMotionMask | b->state | b->motionMask;

-        SetMaskForEvent(device->id, mask, DeviceMotionNotify);

-        mask = PointerMotionMask | b->state | b->motionMask;

-        SetMaskForEvent(device->id, mask, MotionNotify);

-    } else if (event->type == ET_ButtonRelease) {

-        Mask mask;

-        if (!b)

-            return DONT_PROCESS;

-

-        if (!button_is_down(device, key, BUTTON_PROCESSED))

-            return DONT_PROCESS;

-        if (IsMaster(device)) {

-            DeviceIntPtr sd;

-

-            /*

-             * Leave the button down if any slave has the

-             * button still down. Note that this depends on the

-             * event being delivered through the slave first

-             */

-            for (sd = inputInfo.devices; sd; sd = sd->next) {

-                if (IsMaster(sd) || sd->u.master != device)

-                    continue;

-                if (!sd->button)

-                    continue;

-                for (i = 1; i <= sd->button->numButtons; i++)

-                    if (sd->button->map[i] == key &&

-                        button_is_down(sd, i, BUTTON_PROCESSED))

-                        return DONT_PROCESS;

-            }

-        }

-        set_button_up(device, key, BUTTON_PROCESSED);

-	if (device->valuator)

-	    device->valuator->motionHintWindow = NullWindow;

-        if (!b->map[key])

-            return DONT_PROCESS;

-        if (b->buttonsDown >= 1 && !--b->buttonsDown)

-	    b->motionMask = 0;

-	if (b->map[key] <= 5)

-	    b->state &= ~((Button1Mask >> 1) << b->map[key]);

-

-        /* Add state and motionMask to the filter for this event */

-        mask = DevicePointerMotionMask | b->state | b->motionMask;

-        SetMaskForEvent(device->id, mask, DeviceMotionNotify);

-        mask = PointerMotionMask | b->state | b->motionMask;

-        SetMaskForEvent(device->id, mask, MotionNotify);

-    } else if (event->type == ET_ProximityIn)

-	device->proximity->in_proximity = TRUE;

-    else if (event->type == ET_ProximityOut)

-	device->proximity->in_proximity = FALSE;

-

-    return DEFAULT;

-}

-

-static void

-ProcessRawEvent(RawDeviceEvent *ev, DeviceIntPtr device)

-{

-    GrabPtr grab = device->deviceGrab.grab;

-

-    if (grab)

-        DeliverGrabbedEvent((InternalEvent*)ev, device, FALSE);

-    else { /* deliver to all root windows */

-        xEvent *xi;

-        int i;

-

-        i = EventToXI2((InternalEvent*)ev, (xEvent**)&xi);

-        if (i != Success)

-        {

-            ErrorF("[Xi] %s: XI2 conversion failed in ProcessRawEvent (%d)\n",

-                    device->name, i);

-            return;

-        }

-

-        for (i = 0; i < screenInfo.numScreens; i++)

-            DeliverEventsToWindow(device, screenInfo.screens[i]->root, xi, 1,

-                                  GetEventFilter(device, xi), NULL);

-        free(xi);

-    }

-}

-

-/**

- * Main device event processing function.

- * Called from when processing the events from the event queue.

- *

- */

-void

-ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)

-{

-    GrabPtr grab;

-    Bool deactivateDeviceGrab = FALSE;

-    int key = 0, rootX, rootY;

-    ButtonClassPtr b;

-    KeyClassPtr k;

-    ValuatorClassPtr v;

-    int ret = 0;

-    int state, i;

-    DeviceIntPtr mouse = NULL, kbd = NULL;

-    DeviceEvent *event = &ev->device_event;

-

-    CHECKEVENT(ev);

-

-    if (ev->any.type == ET_RawKeyPress ||

-        ev->any.type == ET_RawKeyRelease ||

-        ev->any.type == ET_RawButtonPress ||

-        ev->any.type == ET_RawButtonRelease ||

-        ev->any.type == ET_RawMotion)

-    {

-        ProcessRawEvent(&ev->raw_event, device);

-        return;

-    }

-

-    if (IsPointerDevice(device))

-    {

-        kbd = GetPairedDevice(device);

-        mouse = device;

-        if (!kbd->key) /* can happen with floating SDs */

-            kbd = NULL;

-    } else

-    {

-        mouse = GetPairedDevice(device);

-        kbd = device;

-        if (!mouse->valuator || !mouse->button) /* may be float. SDs */

-            mouse = NULL;

-    }

-

-    /* State needs to be assembled BEFORE the device is updated. */

-    state = (kbd && kbd->key) ? XkbStateFieldFromRec(&kbd->key->xkbInfo->state) : 0;

-    state |= (mouse && mouse->button) ? (mouse->button->state) : 0;

-

-    for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)

-        if (BitIsOn(mouse->button->down, i))

-            SetBit(event->buttons, i);

-

-    if (kbd && kbd->key)

-    {

-        XkbStatePtr state;

-        /* we need the state before the event happens */

-        if (event->type == ET_KeyPress || event->type == ET_KeyRelease)

-            state = &kbd->key->xkbInfo->prev_state;

-        else

-            state = &kbd->key->xkbInfo->state;

-

-        event->mods.base = state->base_mods;

-        event->mods.latched = state->latched_mods;

-        event->mods.locked = state->locked_mods;

-        event->mods.effective = state->mods;

-

-        event->group.base = state->base_group;

-        event->group.latched = state->latched_group;

-        event->group.locked = state->locked_group;

-        event->group.effective = state->group;

-    }

-

-    ret = UpdateDeviceState(device, event);

-    if (ret == DONT_PROCESS)

-        return;

-

-    v = device->valuator;

-    b = device->button;

-    k = device->key;

-

-    if (IsMaster(device) || !device->u.master)

-        CheckMotion(event, device);

-

-    switch (event->type)

-    {

-        case ET_Motion:

-        case ET_ButtonPress:

-        case ET_ButtonRelease:

-        case ET_KeyPress:

-        case ET_KeyRelease:

-        case ET_ProximityIn:

-        case ET_ProximityOut:

-            GetSpritePosition(device, &rootX, &rootY);

-            event->root_x = rootX;

-            event->root_y = rootY;

-            NoticeEventTime((InternalEvent*)event);

-            event->corestate = state;

-            key = event->detail.key;

-            break;

-        default:

-            break;

-    }

-

-    if (DeviceEventCallback && !syncEvents.playingEvents) {

-	DeviceEventInfoRec eventinfo;

-	SpritePtr pSprite = device->spriteInfo->sprite;

-

-	/* see comment in EnqueueEvents regarding the next three lines */

-	if (ev->any.type == ET_Motion)

-	    ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id;

-

-	eventinfo.device = device;

-	eventinfo.event = ev;

-	CallCallbacks(&DeviceEventCallback, (pointer) & eventinfo);

-    }

-

-    grab = device->deviceGrab.grab;

-

-    switch(event->type)

-    {

-        case ET_KeyPress:

-            if (!grab && CheckDeviceGrabs(device, event, 0)) {

-                device->deviceGrab.activatingKey = key;

-                return;

-            }

-            break;

-        case ET_KeyRelease:

-            if (grab && device->deviceGrab.fromPassiveGrab &&

-                (key == device->deviceGrab.activatingKey) &&

-                (device->deviceGrab.grab->type == KeyPress ||

-                 device->deviceGrab.grab->type == DeviceKeyPress ||

-                 device->deviceGrab.grab->type == XI_KeyPress))

-                deactivateDeviceGrab = TRUE;

-            break;

-        case ET_ButtonPress:

-            event->detail.button = b->map[key];

-            if (!event->detail.button) { /* there's no button 0 */

-                event->detail.button = key;

-                return;

-            }

-            if (!grab && CheckDeviceGrabs(device, event, 0))

-            {

-                /* if a passive grab was activated, the event has been sent

-                 * already */

-                return;

-            }

-            break;

-        case ET_ButtonRelease:

-            event->detail.button = b->map[key];

-            if (!event->detail.button) { /* there's no button 0 */

-                event->detail.button = key;

-                return;

-            }

-            if (grab && !b->buttonsDown &&

-                device->deviceGrab.fromPassiveGrab &&

-                (device->deviceGrab.grab->type == ButtonPress ||

-                 device->deviceGrab.grab->type == DeviceButtonPress ||

-                 device->deviceGrab.grab->type == XI_ButtonPress))

-                deactivateDeviceGrab = TRUE;

-        default:

-            break;

-    }

-

-

-    if (grab)

-        DeliverGrabbedEvent((InternalEvent*)event, device, deactivateDeviceGrab);

-    else if (device->focus && !IsPointerEvent((InternalEvent*)ev))

-        DeliverFocusedEvent(device, (InternalEvent*)event,

-                            GetSpriteWindow(device));

-    else

-        DeliverDeviceEvents(GetSpriteWindow(device), (InternalEvent*)event,

-                            NullGrab, NullWindow, device);

-

-    if (deactivateDeviceGrab == TRUE)

-	(*device->deviceGrab.DeactivateGrab) (device);

-    event->detail.key = key;

-}

-

-int

-InitProximityClassDeviceStruct(DeviceIntPtr dev)

-{

-    ProximityClassPtr proxc;

-

-    proxc = (ProximityClassPtr) malloc(sizeof(ProximityClassRec));

-    if (!proxc)

-	return FALSE;

-    proxc->sourceid = dev->id;

-    proxc->in_proximity = TRUE;

-    dev->proximity = proxc;

-    return TRUE;

-}

-

-/**

- * Initialise the device's valuators. The memory must already be allocated,

- * this function merely inits the matching axis (specified through axnum) to

- * sane values.

- *

- * It is a condition that (minval < maxval).

- *

- * @see InitValuatorClassDeviceStruct

- */

-void

-InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,

-		       int resolution, int min_res, int max_res, int mode)

-{

-    AxisInfoPtr ax;

-

-    if (!dev || !dev->valuator || minval > maxval)

-        return;

-    if (axnum >= dev->valuator->numAxes)

-        return;

-

-    ax = dev->valuator->axes + axnum;

-

-    ax->min_value = minval;

-    ax->max_value = maxval;

-    ax->resolution = resolution;

-    ax->min_resolution = min_res;

-    ax->max_resolution = max_res;

-    ax->label = label;

-    ax->mode = mode;

-

-    if (mode & OutOfProximity)

-        dev->proximity->in_proximity = FALSE;

-}

-

-static void

-FixDeviceStateNotify(DeviceIntPtr dev, deviceStateNotify * ev, KeyClassPtr k,

-		     ButtonClassPtr b, ValuatorClassPtr v, int first)

-{

-    ev->type = DeviceStateNotify;

-    ev->deviceid = dev->id;

-    ev->time = currentTime.milliseconds;

-    ev->classes_reported = 0;

-    ev->num_keys = 0;

-    ev->num_buttons = 0;

-    ev->num_valuators = 0;

-

-    if (b) {

-	ev->classes_reported |= (1 << ButtonClass);

-	ev->num_buttons = b->numButtons;

-	memcpy((char*)ev->buttons, (char*)b->down, 4);

-    } else if (k) {

-	ev->classes_reported |= (1 << KeyClass);

-	ev->num_keys = k->xkbInfo->desc->max_key_code -

-                       k->xkbInfo->desc->min_key_code;

-	memmove((char *)&ev->keys[0], (char *)k->down, 4);

-    }

-    if (v) {

-	int nval = v->numAxes - first;

-

-	ev->classes_reported |= (1 << ValuatorClass);

-	ev->classes_reported |= valuator_get_mode(dev, 0) << ModeBitsShift;

-	ev->num_valuators = nval < 3 ? nval : 3;

-	switch (ev->num_valuators) {

-	case 3:

-	    ev->valuator2 = v->axisVal[first + 2];

-	case 2:

-	    ev->valuator1 = v->axisVal[first + 1];

-	case 1:

-	    ev->valuator0 = v->axisVal[first];

-	    break;

-	}

-    }

-}

-

-static void

-FixDeviceValuator(DeviceIntPtr dev, deviceValuator * ev, ValuatorClassPtr v,

-		  int first)

-{

-    int nval = v->numAxes - first;

-

-    ev->type = DeviceValuator;

-    ev->deviceid = dev->id;

-    ev->num_valuators = nval < 3 ? nval : 3;

-    ev->first_valuator = first;

-    switch (ev->num_valuators) {

-    case 3:

-	ev->valuator2 = v->axisVal[first + 2];

-    case 2:

-	ev->valuator1 = v->axisVal[first + 1];

-    case 1:

-	ev->valuator0 = v->axisVal[first];

-	break;

-    }

-    first += ev->num_valuators;

-}

-

-void

-DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail,

-		 WindowPtr pWin)

-{

-    deviceFocus event;

-    xXIFocusInEvent *xi2event;

-    DeviceIntPtr mouse;

-    int btlen, len, i;

-

-    mouse = (IsMaster(dev) || dev->u.master) ? GetMaster(dev, MASTER_POINTER) : dev;

-

-    /* XI 2 event */

-    btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0;

-    btlen = bytes_to_int32(btlen);

-    len = sizeof(xXIFocusInEvent) + btlen * 4;

-

-    xi2event = calloc(1, len);

-    xi2event->type         = GenericEvent;

-    xi2event->extension    = IReqCode;

-    xi2event->evtype       = type;

-    xi2event->length       = bytes_to_int32(len - sizeof(xEvent));

-    xi2event->buttons_len  = btlen;

-    xi2event->detail       = detail;

-    xi2event->time         = currentTime.milliseconds;

-    xi2event->deviceid     = dev->id;

-    xi2event->sourceid     = dev->id; /* a device doesn't change focus by itself */

-    xi2event->mode         = mode;

-    xi2event->root_x       = FP1616(mouse->spriteInfo->sprite->hot.x, 0);

-    xi2event->root_y       = FP1616(mouse->spriteInfo->sprite->hot.y, 0);

-

-    for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)

-        if (BitIsOn(mouse->button->down, i))

-            SetBit(&xi2event[1], i);

-

-    if (dev->key)

-    {

-        xi2event->mods.base_mods = dev->key->xkbInfo->state.base_mods;

-        xi2event->mods.latched_mods = dev->key->xkbInfo->state.latched_mods;

-        xi2event->mods.locked_mods = dev->key->xkbInfo->state.locked_mods;

-        xi2event->mods.effective_mods = dev->key->xkbInfo->state.mods;

-

-        xi2event->group.base_group = dev->key->xkbInfo->state.base_group;

-        xi2event->group.latched_group = dev->key->xkbInfo->state.latched_group;

-        xi2event->group.locked_group = dev->key->xkbInfo->state.locked_group;

-        xi2event->group.effective_group = dev->key->xkbInfo->state.group;

-    }

-

-    FixUpEventFromWindow(dev, (xEvent*)xi2event, pWin, None, FALSE);

-

-    DeliverEventsToWindow(dev, pWin, (xEvent*)xi2event, 1,

-                          GetEventFilter(dev, (xEvent*)xi2event), NullGrab);

-

-    free(xi2event);

-

-    /* XI 1.x event */

-    event.deviceid = dev->id;

-    event.mode = mode;

-    event.type = (type == XI_FocusIn) ? DeviceFocusIn : DeviceFocusOut;

-    event.detail = detail;

-    event.window = pWin->drawable.id;

-    event.time = currentTime.milliseconds;

-

-    DeliverEventsToWindow(dev, pWin, (xEvent *) & event, 1,

-				DeviceFocusChangeMask, NullGrab);

-

-    if ((type == DeviceFocusIn) &&

-	(wOtherInputMasks(pWin)) &&

-	(wOtherInputMasks(pWin)->inputEvents[dev->id] & DeviceStateNotifyMask))

-    {

-	int evcount = 1;

-	deviceStateNotify *ev, *sev;

-	deviceKeyStateNotify *kev;

-	deviceButtonStateNotify *bev;

-

-	KeyClassPtr k;

-	ButtonClassPtr b;

-	ValuatorClassPtr v;

-	int nval = 0, nkeys = 0, nbuttons = 0, first = 0;

-

-	if ((b = dev->button) != NULL) {

-	    nbuttons = b->numButtons;

-	    if (nbuttons > 32)

-		evcount++;

-	}

-	if ((k = dev->key) != NULL) {

-	    nkeys = k->xkbInfo->desc->max_key_code -

-                    k->xkbInfo->desc->min_key_code;

-	    if (nkeys > 32)

-		evcount++;

-	    if (nbuttons > 0) {

-		evcount++;

-	    }

-	}

-	if ((v = dev->valuator) != NULL) {

-	    nval = v->numAxes;

-

-	    if (nval > 3)

-		evcount++;

-	    if (nval > 6) {

-		if (!(k && b))

-		    evcount++;

-		if (nval > 9)

-		    evcount += ((nval - 7) / 3);

-	    }

-	}

-

-	sev = ev = (deviceStateNotify *) malloc(evcount * sizeof(xEvent));

-	FixDeviceStateNotify(dev, ev, NULL, NULL, NULL, first);

-

-	if (b != NULL) {

-	    FixDeviceStateNotify(dev, ev++, NULL, b, v, first);

-	    first += 3;

-	    nval -= 3;

-	    if (nbuttons > 32) {

-		(ev - 1)->deviceid |= MORE_EVENTS;

-		bev = (deviceButtonStateNotify *) ev++;

-		bev->type = DeviceButtonStateNotify;

-		bev->deviceid = dev->id;

-		memcpy((char*)&bev->buttons[4], (char*)&b->down[4], DOWN_LENGTH - 4);

-	    }

-	    if (nval > 0) {

-		(ev - 1)->deviceid |= MORE_EVENTS;

-		FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);

-		first += 3;

-		nval -= 3;

-	    }

-	}

-

-	if (k != NULL) {

-	    FixDeviceStateNotify(dev, ev++, k, NULL, v, first);

-	    first += 3;

-	    nval -= 3;

-	    if (nkeys > 32) {

-		(ev - 1)->deviceid |= MORE_EVENTS;

-		kev = (deviceKeyStateNotify *) ev++;

-		kev->type = DeviceKeyStateNotify;

-		kev->deviceid = dev->id;

-		memmove((char *)&kev->keys[0], (char *)&k->down[4], 28);

-	    }

-	    if (nval > 0) {

-		(ev - 1)->deviceid |= MORE_EVENTS;

-		FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);

-		first += 3;

-		nval -= 3;

-	    }

-	}

-

-	while (nval > 0) {

-	    FixDeviceStateNotify(dev, ev++, NULL, NULL, v, first);

-	    first += 3;

-	    nval -= 3;

-	    if (nval > 0) {

-		(ev - 1)->deviceid |= MORE_EVENTS;

-		FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);

-		first += 3;

-		nval -= 3;

-	    }

-	}

-

-	DeliverEventsToWindow(dev, pWin, (xEvent *) sev, evcount,

-				    DeviceStateNotifyMask, NullGrab);

-	free(sev);

-    }

-}

-

-int

-CheckGrabValues(ClientPtr client, GrabParameters* param)

-{

-    if (param->grabtype != GRABTYPE_CORE &&

-        param->grabtype != GRABTYPE_XI &&

-        param->grabtype != GRABTYPE_XI2)

-    {

-        ErrorF("[Xi] grabtype is invalid. This is a bug.\n");

-        return BadImplementation;

-    }

-

-    if ((param->this_device_mode != GrabModeSync) &&

-	(param->this_device_mode != GrabModeAsync)) {

-	client->errorValue = param->this_device_mode;

-	return BadValue;

-    }

-    if ((param->other_devices_mode != GrabModeSync) &&

-	(param->other_devices_mode != GrabModeAsync)) {

-	client->errorValue = param->other_devices_mode;

-	return BadValue;

-    }

-

-    if (param->grabtype != GRABTYPE_XI2 && (param->modifiers != AnyModifier) &&

-        (param->modifiers & ~AllModifiersMask)) {

-	client->errorValue = param->modifiers;

-	return BadValue;

-    }

-

-    if ((param->ownerEvents != xFalse) && (param->ownerEvents != xTrue)) {

-	client->errorValue = param->ownerEvents;

-	return BadValue;

-    }

-    return Success;

-}

-

-int

-GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,

-           int button, GrabParameters *param, GrabType grabtype,

-	   GrabMask *mask)

-{

-    WindowPtr pWin, confineTo;

-    CursorPtr cursor;

-    GrabPtr grab;

-    int rc, type = -1;

-    Mask access_mode = DixGrabAccess;

-

-    rc = CheckGrabValues(client, param);

-    if (rc != Success)

-	return rc;

-    if (param->confineTo == None)

-	confineTo = NullWindow;

-    else {

-	rc = dixLookupWindow(&confineTo, param->confineTo, client, DixSetAttrAccess);

-	if (rc != Success)

-	    return rc;

-    }

-    if (param->cursor == None)

-	cursor = NullCursor;

-    else {

-	rc = dixLookupResourceByType((pointer *)&cursor, param->cursor,

-				     RT_CURSOR, client, DixUseAccess);

-	if (rc != Success)

-	{

-	    client->errorValue = param->cursor;

-	    return rc;

-	}

-	access_mode |= DixForceAccess;

-    }

-    if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)

-	access_mode |= DixFreezeAccess;

-    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);

-    if (rc != Success)

-	return rc;

-    rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);

-    if (rc != Success)

-	return rc;

-

-    if (grabtype == GRABTYPE_XI)

-        type = DeviceButtonPress;

-    else if (grabtype == GRABTYPE_XI2)

-        type = XI_ButtonPress;

-

-    grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype,

-                      mask, param, type, button, confineTo, cursor);

-    if (!grab)

-	return BadAlloc;

-    return AddPassiveGrabToList(client, grab);

-}

-

-/**

- * Grab the given key. If grabtype is GRABTYPE_XI, the key is a keycode. If

- * grabtype is GRABTYPE_XI2, the key is a keysym.

- */

-int

-GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,

-        int key, GrabParameters *param, GrabType grabtype, GrabMask *mask)

-{

-    WindowPtr pWin;

-    GrabPtr grab;

-    KeyClassPtr k = dev->key;

-    Mask access_mode = DixGrabAccess;

-    int rc, type = -1;

-

-    rc = CheckGrabValues(client, param);

-    if (rc != Success)

-        return rc;

-    if (k == NULL)

-	return BadMatch;

-    if (grabtype == GRABTYPE_XI)

-    {

-        if ((key > k->xkbInfo->desc->max_key_code ||

-                    key < k->xkbInfo->desc->min_key_code)

-                && (key != AnyKey)) {

-            client->errorValue = key;

-            return BadValue;

-        }

-        type = DeviceKeyPress;

-    } else if (grabtype == GRABTYPE_XI2)

-        type = XI_KeyPress;

-

-    rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);

-    if (rc != Success)

-	return rc;

-    if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)

-	access_mode |= DixFreezeAccess;

-    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);

-    if (rc != Success)

-	return rc;

-

-    grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype,

-                      mask, param, type, key, NULL, NULL);

-    if (!grab)

-	return BadAlloc;

-    return AddPassiveGrabToList(client, grab);

-}

-

-/* Enter/FocusIn grab */

-int

-GrabWindow(ClientPtr client, DeviceIntPtr dev, int type,

-           GrabParameters *param, GrabMask *mask)

-{

-    WindowPtr pWin;

-    CursorPtr cursor;

-    GrabPtr grab;

-    Mask access_mode = DixGrabAccess;

-    int rc;

-

-    rc = CheckGrabValues(client, param);

-    if (rc != Success)

-        return rc;

-

-    rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);

-    if (rc != Success)

-	return rc;

-    if (param->cursor == None)

-	cursor = NullCursor;

-    else {

-	rc = dixLookupResourceByType((pointer *)&cursor, param->cursor,

-				     RT_CURSOR, client, DixUseAccess);

-	if (rc != Success)

-	{

-	    client->errorValue = param->cursor;

-	    return rc;

-	}

-	access_mode |= DixForceAccess;

-    }

-    if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)

-	access_mode |= DixFreezeAccess;

-    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);

-    if (rc != Success)

-	return rc;

-

-    grab = CreateGrab(client->index, dev, dev, pWin, GRABTYPE_XI2,

-                      mask, param, (type == XIGrabtypeEnter) ? XI_Enter : XI_FocusIn,

-                      0, NULL, cursor);

-

-    if (!grab)

-        return BadAlloc;

-

-    return AddPassiveGrabToList(client, grab);

-}

-

-int

-SelectForWindow(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client,

-		Mask mask, Mask exclusivemasks)

-{

-    int mskidx = dev->id;

-    int i, ret;

-    Mask check;

-    InputClientsPtr others;

-

-    check = (mask & exclusivemasks);

-    if (wOtherInputMasks(pWin)) {

-	if (check & wOtherInputMasks(pWin)->inputEvents[mskidx]) {	/* It is illegal for two different

-									 * clients to select on any of the

-									 * events for maskcheck. However,

-									 * it is OK, for some client to

-									 * continue selecting on one of those

-									 * events.  */

-	    for (others = wOtherInputMasks(pWin)->inputClients; others;

-		 others = others->next) {

-		if (!SameClient(others, client) && (check &

-						    others->mask[mskidx]))

-		    return BadAccess;

-	    }

-	}

-	for (others = wOtherInputMasks(pWin)->inputClients; others;

-	     others = others->next) {

-	    if (SameClient(others, client)) {

-		check = others->mask[mskidx];

-		others->mask[mskidx] = mask;

-		if (mask == 0) {

-		    for (i = 0; i < EMASKSIZE; i++)

-			if (i != mskidx && others->mask[i] != 0)

-			    break;

-		    if (i == EMASKSIZE) {

-			RecalculateDeviceDeliverableEvents(pWin);

-			if (ShouldFreeInputMasks(pWin, FALSE))

-			    FreeResource(others->resource, RT_NONE);

-			return Success;

-		    }

-		}

-		goto maskSet;

-	    }

-	}

-    }

-    check = 0;

-    if ((ret = AddExtensionClient(pWin, client, mask, mskidx)) != Success)

-	return ret;

-  maskSet:

-    if (dev->valuator)

-	if ((dev->valuator->motionHintWindow == pWin) &&

-	    (mask & DevicePointerMotionHintMask) &&

-	    !(check & DevicePointerMotionHintMask) && !dev->deviceGrab.grab)

-	    dev->valuator->motionHintWindow = NullWindow;

-    RecalculateDeviceDeliverableEvents(pWin);

-    return Success;

-}

-

-int

-AddExtensionClient(WindowPtr pWin, ClientPtr client, Mask mask, int mskidx)

-{

-    InputClientsPtr others;

-

-    if (!pWin->optional && !MakeWindowOptional(pWin))

-	return BadAlloc;

-    others = calloc(1, sizeof(InputClients));

-    if (!others)

-	return BadAlloc;

-    if (!pWin->optional->inputMasks && !MakeInputMasks(pWin))

-	return BadAlloc;

-    others->mask[mskidx] = mask;

-    others->resource = FakeClientID(client->index);

-    others->next = pWin->optional->inputMasks->inputClients;

-    pWin->optional->inputMasks->inputClients = others;

-    if (!AddResource(others->resource, RT_INPUTCLIENT, (pointer) pWin))

-	return BadAlloc;

-    return Success;

-}

-

-static Bool

-MakeInputMasks(WindowPtr pWin)

-{

-    struct _OtherInputMasks *imasks;

-

-    imasks = calloc(1, sizeof(struct _OtherInputMasks));

-    if (!imasks)

-	return FALSE;

-    pWin->optional->inputMasks = imasks;

-    return TRUE;

-}

-

-void

-RecalculateDeviceDeliverableEvents(WindowPtr pWin)

-{

-    InputClientsPtr others;

-    struct _OtherInputMasks *inputMasks;	/* default: NULL */

-    WindowPtr pChild, tmp;

-    int i, j;

-

-    pChild = pWin;

-    while (1) {

-	if ((inputMasks = wOtherInputMasks(pChild)) != 0) {

-            for (i = 0; i < EMASKSIZE; i++)

-                memset(inputMasks->xi2mask[i], 0, sizeof(inputMasks->xi2mask[i]));

-	    for (others = inputMasks->inputClients; others;

-		 others = others->next) {

-		for (i = 0; i < EMASKSIZE; i++)

-		    inputMasks->inputEvents[i] |= others->mask[i];

-                for (i = 0; i < EMASKSIZE; i++)

-                    for (j = 0; j < XI2MASKSIZE; j++)

-                        inputMasks->xi2mask[i][j] |= others->xi2mask[i][j];

-	    }

-	    for (i = 0; i < EMASKSIZE; i++)

-		inputMasks->deliverableEvents[i] = inputMasks->inputEvents[i];

-	    for (tmp = pChild->parent; tmp; tmp = tmp->parent)

-		if (wOtherInputMasks(tmp))

-		    for (i = 0; i < EMASKSIZE; i++)

-			inputMasks->deliverableEvents[i] |=

-			    (wOtherInputMasks(tmp)->deliverableEvents[i]

-			     & ~inputMasks->

-			     dontPropagateMask[i] & PropagateMask[i]);

-	}

-	if (pChild->firstChild) {

-	    pChild = pChild->firstChild;

-	    continue;

-	}

-	while (!pChild->nextSib && (pChild != pWin))

-	    pChild = pChild->parent;

-	if (pChild == pWin)

-	    break;

-	pChild = pChild->nextSib;

-    }

-}

-

-int

-InputClientGone(WindowPtr pWin, XID id)

-{

-    InputClientsPtr other, prev;

-

-    if (!wOtherInputMasks(pWin))

-	return Success;

-    prev = 0;

-    for (other = wOtherInputMasks(pWin)->inputClients; other;

-	 other = other->next) {

-	if (other->resource == id) {

-	    if (prev) {

-		prev->next = other->next;

-		free(other);

-	    } else if (!(other->next)) {

-		if (ShouldFreeInputMasks(pWin, TRUE)) {

-		    wOtherInputMasks(pWin)->inputClients = other->next;

-		    free(wOtherInputMasks(pWin));

-		    pWin->optional->inputMasks = (OtherInputMasks *) NULL;

-		    CheckWindowOptionalNeed(pWin);

-		    free(other);

-		} else {

-		    other->resource = FakeClientID(0);

-		    if (!AddResource(other->resource, RT_INPUTCLIENT,

-				     (pointer) pWin))

-			return BadAlloc;

-		}

-	    } else {

-		wOtherInputMasks(pWin)->inputClients = other->next;

-		free(other);

-	    }

-	    RecalculateDeviceDeliverableEvents(pWin);

-	    return Success;

-	}

-	prev = other;

-    }

-    FatalError("client not on device event list");

-}

-

-int

-SendEvent(ClientPtr client, DeviceIntPtr d, Window dest, Bool propagate,

-	  xEvent * ev, Mask mask, int count)

-{

-    WindowPtr pWin;

-    WindowPtr effectiveFocus = NullWindow;	/* only set if dest==InputFocus */

-    WindowPtr spriteWin = GetSpriteWindow(d);

-

-    if (dest == PointerWindow)

-	pWin = spriteWin;

-    else if (dest == InputFocus) {

-	WindowPtr inputFocus;

-

-	if (!d->focus)

-	    inputFocus = spriteWin;

-	else

-	    inputFocus = d->focus->win;

-

-	if (inputFocus == FollowKeyboardWin)

-	    inputFocus = inputInfo.keyboard->focus->win;

-

-	if (inputFocus == NoneWin)

-	    return Success;

-

-	/* If the input focus is PointerRootWin, send the event to where

-	 * the pointer is if possible, then perhaps propogate up to root. */

-	if (inputFocus == PointerRootWin)

-	    inputFocus = GetCurrentRootWindow(d);

-

-	if (IsParent(inputFocus, spriteWin)) {

-	    effectiveFocus = inputFocus;

-	    pWin = spriteWin;

-	} else

-	    effectiveFocus = pWin = inputFocus;

-    } else

-	dixLookupWindow(&pWin, dest, client, DixSendAccess);

-    if (!pWin)

-	return BadWindow;

-    if ((propagate != xFalse) && (propagate != xTrue)) {

-	client->errorValue = propagate;

-	return BadValue;

-    }

-    ev->u.u.type |= 0x80;

-    if (propagate) {

-	for (; pWin; pWin = pWin->parent) {

-	    if (DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab))

-		return Success;

-	    if (pWin == effectiveFocus)

-		return Success;

-	    if (wOtherInputMasks(pWin))

-		mask &= ~wOtherInputMasks(pWin)->dontPropagateMask[d->id];

-	    if (!mask)

-		break;

-	}

-    } else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, ev, count))

-	DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab);

-    return Success;

-}

-

-int

-SetButtonMapping(ClientPtr client, DeviceIntPtr dev, int nElts, BYTE * map)

-{

-    int i;

-    ButtonClassPtr b = dev->button;

-

-    if (b == NULL)

-	return BadMatch;

-

-    if (nElts != b->numButtons) {

-	client->errorValue = nElts;

-	return BadValue;

-    }

-    if (BadDeviceMap(&map[0], nElts, 1, 255, &client->errorValue))

-	return BadValue;

-    for (i = 0; i < nElts; i++)

-	if ((b->map[i + 1] != map[i]) && BitIsOn(b->down, i + 1))

-	    return MappingBusy;

-    for (i = 0; i < nElts; i++)

-	b->map[i + 1] = map[i];

-    return Success;

-}

-

-int

-ChangeKeyMapping(ClientPtr client,

-		 DeviceIntPtr dev,

-		 unsigned len,

-		 int type,

-		 KeyCode firstKeyCode,

-		 CARD8 keyCodes, CARD8 keySymsPerKeyCode, KeySym * map)

-{

-    KeySymsRec keysyms;

-    KeyClassPtr k = dev->key;

-

-    if (k == NULL)

-	return BadMatch;

-

-    if (len != (keyCodes * keySymsPerKeyCode))

-	return BadLength;

-

-    if ((firstKeyCode < k->xkbInfo->desc->min_key_code) ||

-	(firstKeyCode + keyCodes - 1 > k->xkbInfo->desc->max_key_code)) {

-	client->errorValue = firstKeyCode;

-	return BadValue;

-    }

-    if (keySymsPerKeyCode == 0) {

-	client->errorValue = 0;

-	return BadValue;

-    }

-    keysyms.minKeyCode = firstKeyCode;

-    keysyms.maxKeyCode = firstKeyCode + keyCodes - 1;

-    keysyms.mapWidth = keySymsPerKeyCode;

-    keysyms.map = map;

-

-    XkbApplyMappingChange(dev, &keysyms, firstKeyCode, keyCodes, NULL,

-                          serverClient);

-

-    return Success;

-}

-

-static void

-DeleteDeviceFromAnyExtEvents(WindowPtr pWin, DeviceIntPtr dev)

-{

-    WindowPtr parent;

-

-    /* Deactivate any grabs performed on this window, before making

-     * any input focus changes.

-     * Deactivating a device grab should cause focus events. */

-

-    if (dev->deviceGrab.grab && (dev->deviceGrab.grab->window == pWin))

-	(*dev->deviceGrab.DeactivateGrab) (dev);

-

-    /* If the focus window is a root window (ie. has no parent)

-     * then don't delete the focus from it. */

-

-    if (dev->focus && (pWin == dev->focus->win) && (pWin->parent != NullWindow)) {

-	int focusEventMode = NotifyNormal;

-

-	/* If a grab is in progress, then alter the mode of focus events. */

-

-	if (dev->deviceGrab.grab)

-	    focusEventMode = NotifyWhileGrabbed;

-

-	switch (dev->focus->revert) {

-	case RevertToNone:

-	    if (!ActivateFocusInGrab(dev, pWin, NoneWin))

-		DoFocusEvents(dev, pWin, NoneWin, focusEventMode);

-	    dev->focus->win = NoneWin;

-	    dev->focus->traceGood = 0;

-	    break;

-	case RevertToParent:

-	    parent = pWin;

-	    do {

-		parent = parent->parent;

-		dev->focus->traceGood--;

-	    }

-	    while (!parent->realized);

-	    if (!ActivateFocusInGrab(dev, pWin, parent))

-		DoFocusEvents(dev, pWin, parent, focusEventMode);

-	    dev->focus->win = parent;

-	    dev->focus->revert = RevertToNone;

-	    break;

-	case RevertToPointerRoot:

-	    if (!ActivateFocusInGrab(dev, pWin, PointerRootWin))

-		DoFocusEvents(dev, pWin, PointerRootWin, focusEventMode);

-	    dev->focus->win = PointerRootWin;

-	    dev->focus->traceGood = 0;

-	    break;

-	case RevertToFollowKeyboard:

-            {

-                DeviceIntPtr kbd = GetMaster(dev, MASTER_KEYBOARD);

-                if (!kbd || (kbd == dev && kbd != inputInfo.keyboard))

-                    kbd = inputInfo.keyboard;

-	    if (kbd->focus->win) {

-		if (!ActivateFocusInGrab(dev, pWin, kbd->focus->win))

-		    DoFocusEvents(dev, pWin, kbd->focus->win, focusEventMode);

-		dev->focus->win = FollowKeyboardWin;

-		dev->focus->traceGood = 0;

-	    } else {

-                if (!ActivateFocusInGrab(dev, pWin, NoneWin))

-                    DoFocusEvents(dev, pWin, NoneWin, focusEventMode);

-		dev->focus->win = NoneWin;

-		dev->focus->traceGood = 0;

-	    }

-            }

-	    break;

-	}

-    }

-

-    if (dev->valuator)

-	if (dev->valuator->motionHintWindow == pWin)

-	    dev->valuator->motionHintWindow = NullWindow;

-}

-

-void

-DeleteWindowFromAnyExtEvents(WindowPtr pWin, Bool freeResources)

-{

-    int i;

-    DeviceIntPtr dev;

-    InputClientsPtr ic;

-    struct _OtherInputMasks *inputMasks;

-

-    for (dev = inputInfo.devices; dev; dev = dev->next) {

-	DeleteDeviceFromAnyExtEvents(pWin, dev);

-    }

-

-    for (dev = inputInfo.off_devices; dev; dev = dev->next)

-	DeleteDeviceFromAnyExtEvents(pWin, dev);

-

-    if (freeResources)

-	while ((inputMasks = wOtherInputMasks(pWin)) != 0) {

-	    ic = inputMasks->inputClients;

-	    for (i = 0; i < EMASKSIZE; i++)

-		inputMasks->dontPropagateMask[i] = 0;

-	    FreeResource(ic->resource, RT_NONE);

-	}

-}

-

-int

-MaybeSendDeviceMotionNotifyHint(deviceKeyButtonPointer * pEvents, Mask mask)

-{

-    DeviceIntPtr dev;

-

-    dixLookupDevice(&dev, pEvents->deviceid & DEVICE_BITS, serverClient,

-		    DixReadAccess);

-    if (!dev)

-        return 0;

-

-    if (pEvents->type == DeviceMotionNotify) {

-	if (mask & DevicePointerMotionHintMask) {

-	    if (WID(dev->valuator->motionHintWindow) == pEvents->event) {

-		return 1;	/* don't send, but pretend we did */

-	    }

-	    pEvents->detail = NotifyHint;

-	} else {

-	    pEvents->detail = NotifyNormal;

-	}

-    }

-    return 0;

-}

-

-void

-CheckDeviceGrabAndHintWindow(WindowPtr pWin, int type,

-			     deviceKeyButtonPointer * xE, GrabPtr grab,

-			     ClientPtr client, Mask deliveryMask)

-{

-    DeviceIntPtr dev;

-

-    dixLookupDevice(&dev, xE->deviceid & DEVICE_BITS, serverClient,

-		    DixGrabAccess);

-    if (!dev)

-        return;

-

-    if (type == DeviceMotionNotify)

-	dev->valuator->motionHintWindow = pWin;

-    else if ((type == DeviceButtonPress) && (!grab) &&

-	     (deliveryMask & DeviceButtonGrabMask)) {

-	GrabRec tempGrab;

-

-	tempGrab.device = dev;

-	tempGrab.resource = client->clientAsMask;

-	tempGrab.window = pWin;

-	tempGrab.ownerEvents =

-	    (deliveryMask & DeviceOwnerGrabButtonMask) ? TRUE : FALSE;

-	tempGrab.eventMask = deliveryMask;

-	tempGrab.keyboardMode = GrabModeAsync;

-	tempGrab.pointerMode = GrabModeAsync;

-	tempGrab.confineTo = NullWindow;

-	tempGrab.cursor = NullCursor;

-        tempGrab.next = NULL;

-	(*dev->deviceGrab.ActivateGrab) (dev, &tempGrab, currentTime, TRUE);

-    }

-}

-

-static Mask

-DeviceEventMaskForClient(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)

-{

-    InputClientsPtr other;

-

-    if (!wOtherInputMasks(pWin))

-	return 0;

-    for (other = wOtherInputMasks(pWin)->inputClients; other;

-	 other = other->next) {

-	if (SameClient(other, client))

-	    return other->mask[dev->id];

-    }

-    return 0;

-}

-

-void

-MaybeStopDeviceHint(DeviceIntPtr dev, ClientPtr client)

-{

-    WindowPtr pWin;

-    GrabPtr grab = dev->deviceGrab.grab;

-

-    pWin = dev->valuator->motionHintWindow;

-

-    if ((grab && SameClient(grab, client) &&

-	 ((grab->eventMask & DevicePointerMotionHintMask) ||

-	  (grab->ownerEvents &&

-	   (DeviceEventMaskForClient(dev, pWin, client) &

-	    DevicePointerMotionHintMask)))) ||

-	(!grab &&

-	 (DeviceEventMaskForClient(dev, pWin, client) &

-	  DevicePointerMotionHintMask)))

-	dev->valuator->motionHintWindow = NullWindow;

-}

-

-int

-DeviceEventSuppressForWindow(WindowPtr pWin, ClientPtr client, Mask mask,

-			     int maskndx)

-{

-    struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin);

-

-    if (mask & ~PropagateMask[maskndx]) {

-	client->errorValue = mask;

-	return BadValue;

-    }

-

-    if (mask == 0) {

-	if (inputMasks)

-	    inputMasks->dontPropagateMask[maskndx] = mask;

-    } else {

-	if (!inputMasks)

-	    AddExtensionClient(pWin, client, 0, 0);

-	inputMasks = wOtherInputMasks(pWin);

-	inputMasks->dontPropagateMask[maskndx] = mask;

-    }

-    RecalculateDeviceDeliverableEvents(pWin);

-    if (ShouldFreeInputMasks(pWin, FALSE))

-	FreeResource(inputMasks->inputClients->resource, RT_NONE);

-    return Success;

-}

-

-Bool

-ShouldFreeInputMasks(WindowPtr pWin, Bool ignoreSelectedEvents)

-{

-    int i;

-    Mask allInputEventMasks = 0;

-    struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin);

-

-    for (i = 0; i < EMASKSIZE; i++)

-	allInputEventMasks |= inputMasks->dontPropagateMask[i];

-    if (!ignoreSelectedEvents)

-	for (i = 0; i < EMASKSIZE; i++)

-	    allInputEventMasks |= inputMasks->inputEvents[i];

-    if (allInputEventMasks == 0)

-	return TRUE;

-    else

-	return FALSE;

-}

-

-/***********************************************************************

- *

- * Walk through the window tree, finding all clients that want to know

- * about the Event.

- *

- */

-

-static void

-FindInterestedChildren(DeviceIntPtr dev, WindowPtr p1, Mask mask,

-                       xEvent * ev, int count)

-{

-    WindowPtr p2;

-

-    while (p1) {

-        p2 = p1->firstChild;

-        DeliverEventsToWindow(dev, p1, ev, count, mask, NullGrab);

-        FindInterestedChildren(dev, p2, mask, ev, count);

-        p1 = p1->nextSib;

-    }

-}

-

-/***********************************************************************

- *

- * Send an event to interested clients in all windows on all screens.

- *

- */

-

-void

-SendEventToAllWindows(DeviceIntPtr dev, Mask mask, xEvent * ev, int count)

-{

-    int i;

-    WindowPtr pWin, p1;

-

-    for (i = 0; i < screenInfo.numScreens; i++) {

-        pWin = screenInfo.screens[i]->root;

-        if (!pWin)

-            continue;

-        DeliverEventsToWindow(dev, pWin, ev, count, mask, NullGrab);

-        p1 = pWin->firstChild;

-        FindInterestedChildren(dev, p1, mask, ev, count);

-    }

-}

-

-/**

- * Set the XI2 mask for the given client on the given window.

- * @param dev The device to set the mask for.

- * @param win The window to set the mask on.

- * @param client The client setting the mask.

- * @param len Number of bytes in mask.

- * @param mask Event mask in the form of (1 << eventtype)

- */

-int

-XISetEventMask(DeviceIntPtr dev, WindowPtr win, ClientPtr client,

-               unsigned int len, unsigned char* mask)

-{

-    OtherInputMasks *masks;

-    InputClientsPtr others = NULL;

-

-    masks = wOtherInputMasks(win);

-    if (masks)

-    {

-	for (others = wOtherInputMasks(win)->inputClients; others;

-	     others = others->next) {

-	    if (SameClient(others, client)) {

-                memset(others->xi2mask[dev->id], 0,

-                       sizeof(others->xi2mask[dev->id]));

-                break;

-            }

-        }

-    }

-

-    len = min(len, sizeof(others->xi2mask[dev->id]));

-

-    if (len && !others)

-    {

-        if (AddExtensionClient(win, client, 0, 0) != Success)

-            return BadAlloc;

-        others= wOtherInputMasks(win)->inputClients;

-    }

-

-    if (others)

-        memset(others->xi2mask[dev->id], 0, sizeof(others->xi2mask[dev->id]));

-

-    if (len)

-        memcpy(others->xi2mask[dev->id], mask, len);

-

-    RecalculateDeviceDeliverableEvents(win);

-

-    return Success;

-}

+/************************************************************
+
+Copyright 1989, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
+
+			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 name of Hewlett-Packard 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.
+
+********************************************************/
+
+/********************************************************************
+ *
+ *  Routines to register and initialize extension input devices.
+ *  This also contains ProcessOtherEvent, the routine called from DDX
+ *  to route extension events.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "inputstr.h"
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include <X11/extensions/XI2proto.h>
+#include <X11/extensions/geproto.h>
+#include "windowstr.h"
+#include "miscstruct.h"
+#include "region.h"
+#include "exevents.h"
+#include "extnsionst.h"
+#include "exglobals.h"
+#include "dixevents.h"	/* DeliverFocusedEvent */
+#include "dixgrabs.h"	/* CreateGrab() */
+#include "scrnintstr.h"
+#include "listdev.h" /* for CopySwapXXXClass */
+#include "xace.h"
+#include "xiquerydevice.h" /* For List*Info */
+#include "eventconvert.h"
+#include "eventstr.h"
+
+#include <X11/extensions/XKBproto.h>
+#include "xkbsrv.h"
+
+#define WID(w) ((w) ? ((w)->drawable.id) : 0)
+#define AllModifiersMask ( \
+	ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
+	Mod3Mask | Mod4Mask | Mod5Mask )
+#define AllButtonsMask ( \
+	Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
+
+Bool ShouldFreeInputMasks(WindowPtr /* pWin */ ,
+				 Bool	/* ignoreSelectedEvents */
+    );
+static Bool MakeInputMasks(WindowPtr	/* pWin */
+    );
+
+/*
+ * Only let the given client know of core events which will affect its
+ * interpretation of input events, if the client's ClientPointer (or the
+ * paired keyboard) is the current device.
+ */
+int
+XIShouldNotify(ClientPtr client, DeviceIntPtr dev)
+{
+    DeviceIntPtr current_ptr = PickPointer(client);
+    DeviceIntPtr current_kbd = GetPairedDevice(current_ptr);
+
+    if (dev == current_kbd || dev == current_ptr)
+        return 1;
+
+    return 0;
+}
+
+Bool
+IsPointerEvent(InternalEvent* event)
+{
+    switch(event->any.type)
+    {
+        case ET_ButtonPress:
+        case ET_ButtonRelease:
+        case ET_Motion:
+            /* XXX: enter/leave ?? */
+            return TRUE;
+        default:
+            break;
+    }
+    return FALSE;
+}
+
+/**
+ * @return the device matching the deviceid of the device set in the event, or
+ * NULL if the event is not an XInput event.
+ */
+DeviceIntPtr
+XIGetDevice(xEvent* xE)
+{
+    DeviceIntPtr pDev = NULL;
+
+    if (xE->u.u.type == DeviceButtonPress ||
+        xE->u.u.type == DeviceButtonRelease ||
+        xE->u.u.type == DeviceMotionNotify ||
+        xE->u.u.type == ProximityIn ||
+        xE->u.u.type == ProximityOut ||
+        xE->u.u.type == DevicePropertyNotify)
+    {
+        int rc;
+        int id;
+
+        id = ((deviceKeyButtonPointer*)xE)->deviceid & ~MORE_EVENTS;
+
+        rc = dixLookupDevice(&pDev, id, serverClient, DixUnknownAccess);
+        if (rc != Success)
+            ErrorF("[dix] XIGetDevice failed on XACE restrictions (%d)\n", rc);
+    }
+    return pDev;
+}
+
+
+/**
+ * Copy the device->key into master->key and send a mapping notify to the
+ * clients if appropriate.
+ * master->key needs to be allocated by the caller.
+ *
+ * Device is the slave device. If it is attached to a master device, we may
+ * need to send a mapping notify to the client because it causes the MD
+ * to change state.
+ *
+ * Mapping notify needs to be sent in the following cases:
+ *      - different slave device on same master
+ *      - different master
+ *
+ * XXX: They way how the code is we also send a map notify if the slave device
+ * stays the same, but the master changes. This isn't really necessary though.
+ *
+ * XXX: this gives you funny behaviour with the ClientPointer. When a
+ * MappingNotify is sent to the client, the client usually responds with a
+ * GetKeyboardMapping. This will retrieve the ClientPointer's keyboard
+ * mapping, regardless of which keyboard sent the last mapping notify request.
+ * So depending on the CP setting, your keyboard may change layout in each
+ * app...
+ *
+ * This code is basically the old SwitchCoreKeyboard.
+ */
+
+void
+CopyKeyClass(DeviceIntPtr device, DeviceIntPtr master)
+{
+    KeyClassPtr mk = master->key;
+
+    if (device == master)
+        return;
+
+    mk->sourceid = device->id;
+
+
+    if (!XkbCopyDeviceKeymap(master, device))
+        FatalError("Couldn't pivot keymap from device to core!\n");
+}
+
+/**
+ * Copies the feedback classes from device "from" into device "to". Classes
+ * are duplicated (not just flipping the pointers). All feedback classes are
+ * linked lists, the full list is duplicated.
+ */
+static void
+DeepCopyFeedbackClasses(DeviceIntPtr from, DeviceIntPtr to)
+{
+    ClassesPtr classes;
+
+
+    if (from->intfeed)
+    {
+        IntegerFeedbackPtr *i, it;
+
+        if (!to->intfeed)
+        {
+            classes = to->unused_classes;
+            to->intfeed = classes->intfeed;
+            classes->intfeed = NULL;
+        }
+
+        i = &to->intfeed;
+        for (it = from->intfeed; it; it = it->next)
+        {
+            if (!(*i))
+            {
+                *i = calloc(1, sizeof(IntegerFeedbackClassRec));
+                if (!(*i))
+                {
+                    ErrorF("[Xi] Cannot alloc memory for class copy.");
+                    return;
+                }
+            }
+            (*i)->CtrlProc = it->CtrlProc;
+            (*i)->ctrl     = it->ctrl;
+
+            i = &(*i)->next;
+        }
+    } else if (to->intfeed && !from->intfeed)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->intfeed = to->intfeed;
+        to->intfeed      = NULL;
+    }
+
+    if (from->stringfeed)
+    {
+        StringFeedbackPtr *s, it;
+
+        if (!to->stringfeed)
+        {
+            classes = to->unused_classes;
+            to->stringfeed = classes->stringfeed;
+            classes->stringfeed = NULL;
+        }
+
+        s = &to->stringfeed;
+        for (it = from->stringfeed; it; it = it->next)
+        {
+            if (!(*s))
+            {
+                *s = calloc(1, sizeof(StringFeedbackClassRec));
+                if (!(*s))
+                {
+                    ErrorF("[Xi] Cannot alloc memory for class copy.");
+                    return;
+                }
+            }
+            (*s)->CtrlProc = it->CtrlProc;
+            (*s)->ctrl     = it->ctrl;
+
+            s = &(*s)->next;
+        }
+    } else if (to->stringfeed && !from->stringfeed)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->stringfeed = to->stringfeed;
+        to->stringfeed      = NULL;
+    }
+
+    if (from->bell)
+    {
+        BellFeedbackPtr *b, it;
+
+        if (!to->bell)
+        {
+            classes = to->unused_classes;
+            to->bell = classes->bell;
+            classes->bell = NULL;
+        }
+
+        b = &to->bell;
+        for (it = from->bell; it; it = it->next)
+        {
+            if (!(*b))
+            {
+                *b = calloc(1, sizeof(BellFeedbackClassRec));
+                if (!(*b))
+                {
+                    ErrorF("[Xi] Cannot alloc memory for class copy.");
+                    return;
+                }
+            }
+            (*b)->BellProc = it->BellProc;
+            (*b)->CtrlProc = it->CtrlProc;
+            (*b)->ctrl     = it->ctrl;
+
+            b = &(*b)->next;
+        }
+    } else if (to->bell && !from->bell)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->bell = to->bell;
+        to->bell      = NULL;
+    }
+
+    if (from->leds)
+    {
+        LedFeedbackPtr *l, it;
+
+        if (!to->leds)
+        {
+            classes = to->unused_classes;
+            to->leds = classes->leds;
+            classes->leds = NULL;
+        }
+
+        l = &to->leds;
+        for (it = from->leds; it; it = it->next)
+        {
+            if (!(*l))
+            {
+                *l = calloc(1, sizeof(LedFeedbackClassRec));
+                if (!(*l))
+                {
+                    ErrorF("[Xi] Cannot alloc memory for class copy.");
+                    return;
+                }
+            }
+            (*l)->CtrlProc = it->CtrlProc;
+            (*l)->ctrl     = it->ctrl;
+            if ((*l)->xkb_sli)
+                XkbFreeSrvLedInfo((*l)->xkb_sli);
+            (*l)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, NULL, *l);
+
+            l = &(*l)->next;
+        }
+    } else if (to->leds && !from->leds)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->leds = to->leds;
+        to->leds      = NULL;
+    }
+}
+
+static void
+DeepCopyKeyboardClasses(DeviceIntPtr from, DeviceIntPtr to)
+{
+    ClassesPtr classes;
+
+    /* XkbInitDevice (->XkbInitIndicatorMap->XkbFindSrvLedInfo) relies on the
+     * kbdfeed to be set up properly, so let's do the feedback classes first.
+     */
+    if (from->kbdfeed)
+    {
+        KbdFeedbackPtr *k, it;
+
+        if (!to->kbdfeed)
+        {
+            classes = to->unused_classes;
+
+            to->kbdfeed = classes->kbdfeed;
+            if (!to->kbdfeed)
+                InitKeyboardDeviceStruct(to, NULL, NULL, NULL);
+            classes->kbdfeed = NULL;
+        }
+
+        k = &to->kbdfeed;
+        for(it = from->kbdfeed; it; it = it->next)
+        {
+            if (!(*k))
+            {
+                *k = calloc(1, sizeof(KbdFeedbackClassRec));
+                if (!*k)
+                {
+                    ErrorF("[Xi] Cannot alloc memory for class copy.");
+                    return;
+                }
+            }
+            (*k)->BellProc = it->BellProc;
+            (*k)->CtrlProc = it->CtrlProc;
+            (*k)->ctrl     = it->ctrl;
+            if ((*k)->xkb_sli)
+                XkbFreeSrvLedInfo((*k)->xkb_sli);
+            (*k)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, *k, NULL);
+
+            k = &(*k)->next;
+        }
+    } else if (to->kbdfeed && !from->kbdfeed)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->kbdfeed = to->kbdfeed;
+        to->kbdfeed      = NULL;
+    }
+
+    if (from->key)
+    {
+        if (!to->key)
+        {
+            classes = to->unused_classes;
+            to->key = classes->key;
+            if (!to->key)
+                InitKeyboardDeviceStruct(to, NULL, NULL, NULL);
+            else
+                classes->key = NULL;
+        }
+
+        CopyKeyClass(from, to);
+    } else if (to->key && !from->key)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->key = to->key;
+        to->key      = NULL;
+    }
+
+    /* If a SrvLedInfoPtr's flags are XkbSLI_IsDefault, the names and maps
+     * pointer point into the xkbInfo->desc struct.  XkbCopySrvLedInfo
+     * didn't update the pointers so we need to do it manually here.
+     */
+    if (to->kbdfeed)
+    {
+        KbdFeedbackPtr k;
+
+        for (k = to->kbdfeed; k; k = k->next)
+        {
+            if (!k->xkb_sli)
+                continue;
+            if (k->xkb_sli->flags & XkbSLI_IsDefault)
+            {
+                k->xkb_sli->names = to->key->xkbInfo->desc->names->indicators;
+                k->xkb_sli->maps = to->key->xkbInfo->desc->indicators->maps;
+            }
+        }
+    }
+
+    /* We can't just copy over the focus class. When an app sets the focus,
+     * it'll do so on the master device. Copying the SDs focus means losing
+     * the focus.
+     * So we only copy the focus class if the device didn't have one,
+     * otherwise we leave it as it is.
+     */
+    if (from->focus)
+    {
+        if (!to->focus)
+        {
+            WindowPtr *oldTrace;
+
+            classes = to->unused_classes;
+            to->focus = classes->focus;
+            if (!to->focus)
+            {
+                to->focus = calloc(1, sizeof(FocusClassRec));
+                if (!to->focus)
+                    FatalError("[Xi] no memory for class shift.\n");
+            } else
+                classes->focus = NULL;
+
+            oldTrace = to->focus->trace;
+            memcpy(to->focus, from->focus, sizeof(FocusClassRec));
+            to->focus->trace = realloc(oldTrace,
+                                  to->focus->traceSize * sizeof(WindowPtr));
+            if (!to->focus->trace && to->focus->traceSize)
+                FatalError("[Xi] no memory for trace.\n");
+            memcpy(to->focus->trace, from->focus->trace,
+                    from->focus->traceSize * sizeof(WindowPtr));
+            to->focus->sourceid = from->id;
+        }
+    } else if (to->focus)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->focus = to->focus;
+        to->focus      = NULL;
+    }
+
+}
+
+static void
+DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)
+{
+    ClassesPtr classes;
+
+    /* Feedback classes must be copied first */
+    if (from->ptrfeed)
+    {
+        PtrFeedbackPtr *p, it;
+        if (!to->ptrfeed)
+        {
+            classes = to->unused_classes;
+            to->ptrfeed = classes->ptrfeed;
+            classes->ptrfeed = NULL;
+        }
+
+        p = &to->ptrfeed;
+        for (it = from->ptrfeed; it; it = it->next)
+        {
+            if (!(*p))
+            {
+                *p = calloc(1, sizeof(PtrFeedbackClassRec));
+                if (!*p)
+                {
+                    ErrorF("[Xi] Cannot alloc memory for class copy.");
+                    return;
+                }
+            }
+            (*p)->CtrlProc = it->CtrlProc;
+            (*p)->ctrl     = it->ctrl;
+
+            p = &(*p)->next;
+        }
+    } else if (to->ptrfeed && !from->ptrfeed)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->ptrfeed = to->ptrfeed;
+        to->ptrfeed      = NULL;
+    }
+
+    if (from->valuator)
+    {
+        ValuatorClassPtr v;
+        if (!to->valuator)
+        {
+            classes = to->unused_classes;
+            to->valuator = classes->valuator;
+            if (to->valuator)
+                classes->valuator = NULL;
+        }
+
+        to->valuator = realloc(to->valuator, sizeof(ValuatorClassRec) +
+                from->valuator->numAxes * sizeof(AxisInfo) +
+                from->valuator->numAxes * sizeof(double));
+        v = to->valuator;
+        if (!v)
+            FatalError("[Xi] no memory for class shift.\n");
+
+        v->numAxes = from->valuator->numAxes;
+        v->axes = (AxisInfoPtr)&v[1];
+        memcpy(v->axes, from->valuator->axes, v->numAxes * sizeof(AxisInfo));
+
+        v->axisVal = (double*)(v->axes + from->valuator->numAxes);
+        v->sourceid = from->id;
+    } else if (to->valuator && !from->valuator)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->valuator = to->valuator;
+        to->valuator      = NULL;
+    }
+
+    if (from->button)
+    {
+        if (!to->button)
+        {
+            classes = to->unused_classes;
+            to->button = classes->button;
+            if (!to->button)
+            {
+                to->button = calloc(1, sizeof(ButtonClassRec));
+                if (!to->button)
+                    FatalError("[Xi] no memory for class shift.\n");
+            } else
+                classes->button = NULL;
+        }
+
+        if (from->button->xkb_acts)
+        {
+            if (!to->button->xkb_acts)
+            {
+                to->button->xkb_acts = calloc(1, sizeof(XkbAction));
+                if (!to->button->xkb_acts)
+                    FatalError("[Xi] not enough memory for xkb_acts.\n");
+            }
+            memcpy(to->button->xkb_acts, from->button->xkb_acts,
+                    sizeof(XkbAction));
+        } else
+            free(to->button->xkb_acts);
+
+         memcpy(to->button->labels, from->button->labels,
+                from->button->numButtons * sizeof(Atom));
+        to->button->sourceid = from->id;
+    } else if (to->button && !from->button)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->button = to->button;
+        to->button      = NULL;
+    }
+
+    if (from->proximity)
+    {
+        if (!to->proximity)
+        {
+            classes = to->unused_classes;
+            to->proximity = classes->proximity;
+            if (!to->proximity)
+            {
+                to->proximity = calloc(1, sizeof(ProximityClassRec));
+                if (!to->proximity)
+                    FatalError("[Xi] no memory for class shift.\n");
+            } else
+                classes->proximity = NULL;
+        }
+        memcpy(to->proximity, from->proximity, sizeof(ProximityClassRec));
+        to->proximity->sourceid = from->id;
+    } else if (to->proximity)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->proximity = to->proximity;
+        to->proximity      = NULL;
+    }
+
+    if (from->absolute)
+    {
+        if (!to->absolute)
+        {
+            classes = to->unused_classes;
+            to->absolute = classes->absolute;
+            if (!to->absolute)
+            {
+                to->absolute = calloc(1, sizeof(AbsoluteClassRec));
+                if (!to->absolute)
+                    FatalError("[Xi] no memory for class shift.\n");
+            } else
+                classes->absolute = NULL;
+        }
+        memcpy(to->absolute, from->absolute, sizeof(AbsoluteClassRec));
+        to->absolute->sourceid = from->id;
+    } else if (to->absolute)
+    {
+        ClassesPtr classes;
+        classes = to->unused_classes;
+        classes->absolute = to->absolute;
+        to->absolute      = NULL;
+    }
+}
+
+/**
+ * Copies the CONTENT of the classes of device from into the classes in device
+ * to. From and to are identical after finishing.
+ *
+ * If to does not have classes from currenly has, the classes are stored in
+ * to's devPrivates system. Later, we recover it again from there if needed.
+ * Saves a few memory allocations.
+ */
+void
+DeepCopyDeviceClasses(DeviceIntPtr from, DeviceIntPtr to, DeviceChangedEvent *dce)
+{
+    /* generic feedback classes, not tied to pointer and/or keyboard */
+    DeepCopyFeedbackClasses(from, to);
+
+    if ((dce->flags & DEVCHANGE_KEYBOARD_EVENT))
+        DeepCopyKeyboardClasses(from, to);
+    if ((dce->flags & DEVCHANGE_POINTER_EVENT))
+        DeepCopyPointerClasses(from, to);
+}
+
+
+/**
+ * Send an XI2 DeviceChangedEvent to all interested clients.
+ */
+void
+XISendDeviceChangedEvent(DeviceIntPtr device, DeviceIntPtr master, DeviceChangedEvent *dce)
+{
+    xXIDeviceChangedEvent *dcce;
+    int rc;
+
+    rc = EventToXI2((InternalEvent*)dce, (xEvent**)&dcce);
+    if (rc != Success)
+    {
+        ErrorF("[Xi] event conversion from DCE failed with code %d\n", rc);
+        return;
+    }
+
+    /* we don't actually swap if there's a NullClient, swapping is done
+     * later when event is delivered. */
+    SendEventToAllWindows(master, XI_DeviceChangedMask, (xEvent*)dcce, 1);
+    free(dcce);
+}
+
+static void
+ChangeMasterDeviceClasses(DeviceIntPtr device, DeviceChangedEvent *dce)
+{
+    DeviceIntPtr slave;
+    int rc;
+
+    /* For now, we don't have devices that change physically. */
+    if (!IsMaster(device))
+        return;
+
+    rc = dixLookupDevice(&slave, dce->sourceid, serverClient, DixReadAccess);
+
+    if (rc != Success)
+        return; /* Device has disappeared */
+
+    if (!slave->u.master)
+        return; /* set floating since the event */
+
+    if (slave->u.master->id != dce->masterid)
+        return; /* not our slave anymore, don't care */
+
+    /* FIXME: we probably need to send a DCE for the new slave now */
+
+    device->public.devicePrivate = slave->public.devicePrivate;
+
+    /* FIXME: the classes may have changed since we generated the event. */
+    DeepCopyDeviceClasses(slave, device, dce);
+    XISendDeviceChangedEvent(slave, device, dce);
+}
+
+/**
+ * Update the device state according to the data in the event.
+ *
+ * return values are
+ *   DEFAULT ... process as normal
+ *   DONT_PROCESS ... return immediately from caller
+ */
+#define DEFAULT 0
+#define DONT_PROCESS 1
+int
+UpdateDeviceState(DeviceIntPtr device, DeviceEvent* event)
+{
+    int i;
+    int key = 0,
+        bit = 0,
+        last_valuator;
+
+    KeyClassPtr k       = NULL;
+    ButtonClassPtr b    = NULL;
+    ValuatorClassPtr v  = NULL;
+
+    /* This event is always the first we get, before the actual events with
+     * the data. However, the way how the DDX is set up, "device" will
+     * actually be the slave device that caused the event.
+     */
+    switch(event->type)
+    {
+        case ET_DeviceChanged:
+            ChangeMasterDeviceClasses(device, (DeviceChangedEvent*)event);
+            return DONT_PROCESS; /* event has been sent already */
+        case ET_Motion:
+        case ET_ButtonPress:
+        case ET_ButtonRelease:
+        case ET_KeyPress:
+        case ET_KeyRelease:
+        case ET_ProximityIn:
+        case ET_ProximityOut:
+            break;
+        default:
+            /* other events don't update the device */
+            return DEFAULT;
+    }
+
+    k = device->key;
+    v = device->valuator;
+    b = device->button;
+
+    key = event->detail.key;
+    bit = 1 << (key & 7);
+
+    /* Update device axis */
+    /* Check valuators first */
+    last_valuator = -1;
+    for (i = 0; i < MAX_VALUATORS; i++)
+    {
+        if (BitIsOn(&event->valuators.mask, i))
+        {
+            if (!v)
+            {
+                ErrorF("[Xi] Valuators reported for non-valuator device '%s'. "
+                        "Ignoring event.\n", device->name);
+                return DONT_PROCESS;
+            } else if (v->numAxes < i)
+            {
+                ErrorF("[Xi] Too many valuators reported for device '%s'. "
+                        "Ignoring event.\n", device->name);
+                return DONT_PROCESS;
+            }
+            last_valuator = i;
+        }
+    }
+
+    for (i = 0; i <= last_valuator && i < v->numAxes; i++)
+    {
+        if (BitIsOn(&event->valuators.mask, i))
+        {
+            /* XXX: Relative/Absolute mode */
+            v->axisVal[i] = event->valuators.data[i];
+            v->axisVal[i] += (event->valuators.data_frac[i] * 1.0f / (1 << 16) / (1 << 16));
+        }
+    }
+
+    if (event->type == ET_KeyPress) {
+        if (!k)
+            return DONT_PROCESS;
+
+	/* don't allow ddx to generate multiple downs, but repeats are okay */
+	if (key_is_down(device, key, KEY_PROCESSED) && !event->key_repeat)
+	    return DONT_PROCESS;
+
+	if (device->valuator)
+	    device->valuator->motionHintWindow = NullWindow;
+	set_key_down(device, key, KEY_PROCESSED);
+    } else if (event->type == ET_KeyRelease) {
+        if (!k)
+            return DONT_PROCESS;
+
+	if (!key_is_down(device, key, KEY_PROCESSED))	/* guard against duplicates */
+	    return DONT_PROCESS;
+	if (device->valuator)
+	    device->valuator->motionHintWindow = NullWindow;
+	set_key_up(device, key, KEY_PROCESSED);
+    } else if (event->type == ET_ButtonPress) {
+        Mask mask;
+        if (!b)
+            return DONT_PROCESS;
+
+        if (button_is_down(device, key, BUTTON_PROCESSED))
+            return DONT_PROCESS;
+
+        set_button_down(device, key, BUTTON_PROCESSED);
+	if (device->valuator)
+	    device->valuator->motionHintWindow = NullWindow;
+        if (!b->map[key])
+            return DONT_PROCESS;
+        b->buttonsDown++;
+	b->motionMask = DeviceButtonMotionMask;
+        if (b->map[key] <= 5)
+	    b->state |= (Button1Mask >> 1) << b->map[key];
+
+        /* Add state and motionMask to the filter for this event */
+        mask = DevicePointerMotionMask | b->state | b->motionMask;
+        SetMaskForEvent(device->id, mask, DeviceMotionNotify);
+        mask = PointerMotionMask | b->state | b->motionMask;
+        SetMaskForEvent(device->id, mask, MotionNotify);
+    } else if (event->type == ET_ButtonRelease) {
+        Mask mask;
+        if (!b)
+            return DONT_PROCESS;
+
+        if (!button_is_down(device, key, BUTTON_PROCESSED))
+            return DONT_PROCESS;
+        if (IsMaster(device)) {
+            DeviceIntPtr sd;
+
+            /*
+             * Leave the button down if any slave has the
+             * button still down. Note that this depends on the
+             * event being delivered through the slave first
+             */
+            for (sd = inputInfo.devices; sd; sd = sd->next) {
+                if (IsMaster(sd) || sd->u.master != device)
+                    continue;
+                if (!sd->button)
+                    continue;
+                for (i = 1; i <= sd->button->numButtons; i++)
+                    if (sd->button->map[i] == key &&
+                        button_is_down(sd, i, BUTTON_PROCESSED))
+                        return DONT_PROCESS;
+            }
+        }
+        set_button_up(device, key, BUTTON_PROCESSED);
+	if (device->valuator)
+	    device->valuator->motionHintWindow = NullWindow;
+        if (!b->map[key])
+            return DONT_PROCESS;
+        if (b->buttonsDown >= 1 && !--b->buttonsDown)
+	    b->motionMask = 0;
+	if (b->map[key] <= 5)
+	    b->state &= ~((Button1Mask >> 1) << b->map[key]);
+
+        /* Add state and motionMask to the filter for this event */
+        mask = DevicePointerMotionMask | b->state | b->motionMask;
+        SetMaskForEvent(device->id, mask, DeviceMotionNotify);
+        mask = PointerMotionMask | b->state | b->motionMask;
+        SetMaskForEvent(device->id, mask, MotionNotify);
+    } else if (event->type == ET_ProximityIn)
+	device->proximity->in_proximity = TRUE;
+    else if (event->type == ET_ProximityOut)
+	device->proximity->in_proximity = FALSE;
+
+    return DEFAULT;
+}
+
+static void
+ProcessRawEvent(RawDeviceEvent *ev, DeviceIntPtr device)
+{
+    GrabPtr grab = device->deviceGrab.grab;
+
+    if (grab)
+        DeliverGrabbedEvent((InternalEvent*)ev, device, FALSE);
+    else { /* deliver to all root windows */
+        xEvent *xi;
+        int i;
+
+        i = EventToXI2((InternalEvent*)ev, (xEvent**)&xi);
+        if (i != Success)
+        {
+            ErrorF("[Xi] %s: XI2 conversion failed in ProcessRawEvent (%d)\n",
+                    device->name, i);
+            return;
+        }
+
+        for (i = 0; i < screenInfo.numScreens; i++)
+            DeliverEventsToWindow(device, screenInfo.screens[i]->root, xi, 1,
+                                  GetEventFilter(device, xi), NULL);
+        free(xi);
+    }
+}
+
+/**
+ * Main device event processing function.
+ * Called from when processing the events from the event queue.
+ *
+ */
+void
+ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device)
+{
+    GrabPtr grab;
+    Bool deactivateDeviceGrab = FALSE;
+    int key = 0, rootX, rootY;
+    ButtonClassPtr b;
+    KeyClassPtr k;
+    ValuatorClassPtr v;
+    int ret = 0;
+    int state, i;
+    DeviceIntPtr mouse = NULL, kbd = NULL;
+    DeviceEvent *event = &ev->device_event;
+
+    CHECKEVENT(ev);
+
+    if (ev->any.type == ET_RawKeyPress ||
+        ev->any.type == ET_RawKeyRelease ||
+        ev->any.type == ET_RawButtonPress ||
+        ev->any.type == ET_RawButtonRelease ||
+        ev->any.type == ET_RawMotion)
+    {
+        ProcessRawEvent(&ev->raw_event, device);
+        return;
+    }
+
+    if (IsPointerDevice(device))
+    {
+        kbd = GetPairedDevice(device);
+        mouse = device;
+        if (!kbd->key) /* can happen with floating SDs */
+            kbd = NULL;
+    } else
+    {
+        mouse = GetPairedDevice(device);
+        kbd = device;
+        if (!mouse->valuator || !mouse->button) /* may be float. SDs */
+            mouse = NULL;
+    }
+
+    /* State needs to be assembled BEFORE the device is updated. */
+    state = (kbd && kbd->key) ? XkbStateFieldFromRec(&kbd->key->xkbInfo->state) : 0;
+    state |= (mouse && mouse->button) ? (mouse->button->state) : 0;
+
+    for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
+        if (BitIsOn(mouse->button->down, i))
+            SetBit(event->buttons, i);
+
+    if (kbd && kbd->key)
+    {
+        XkbStatePtr state;
+        /* we need the state before the event happens */
+        if (event->type == ET_KeyPress || event->type == ET_KeyRelease)
+            state = &kbd->key->xkbInfo->prev_state;
+        else
+            state = &kbd->key->xkbInfo->state;
+
+        event->mods.base = state->base_mods;
+        event->mods.latched = state->latched_mods;
+        event->mods.locked = state->locked_mods;
+        event->mods.effective = state->mods;
+
+        event->group.base = state->base_group;
+        event->group.latched = state->latched_group;
+        event->group.locked = state->locked_group;
+        event->group.effective = state->group;
+    }
+
+    ret = UpdateDeviceState(device, event);
+    if (ret == DONT_PROCESS)
+        return;
+
+    v = device->valuator;
+    b = device->button;
+    k = device->key;
+
+    if (IsMaster(device) || !device->u.master)
+        CheckMotion(event, device);
+
+    switch (event->type)
+    {
+        case ET_Motion:
+        case ET_ButtonPress:
+        case ET_ButtonRelease:
+        case ET_KeyPress:
+        case ET_KeyRelease:
+        case ET_ProximityIn:
+        case ET_ProximityOut:
+            GetSpritePosition(device, &rootX, &rootY);
+            event->root_x = rootX;
+            event->root_y = rootY;
+            NoticeEventTime((InternalEvent*)event);
+            event->corestate = state;
+            key = event->detail.key;
+            break;
+        default:
+            break;
+    }
+
+    if (DeviceEventCallback && !syncEvents.playingEvents) {
+	DeviceEventInfoRec eventinfo;
+	SpritePtr pSprite = device->spriteInfo->sprite;
+
+	/* see comment in EnqueueEvents regarding the next three lines */
+	if (ev->any.type == ET_Motion)
+	    ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id;
+
+	eventinfo.device = device;
+	eventinfo.event = ev;
+	CallCallbacks(&DeviceEventCallback, (pointer) & eventinfo);
+    }
+
+    grab = device->deviceGrab.grab;
+
+    switch(event->type)
+    {
+        case ET_KeyPress:
+            if (!grab && CheckDeviceGrabs(device, event, 0)) {
+                device->deviceGrab.activatingKey = key;
+                return;
+            }
+            break;
+        case ET_KeyRelease:
+            if (grab && device->deviceGrab.fromPassiveGrab &&
+                (key == device->deviceGrab.activatingKey) &&
+                (device->deviceGrab.grab->type == KeyPress ||
+                 device->deviceGrab.grab->type == DeviceKeyPress ||
+                 device->deviceGrab.grab->type == XI_KeyPress))
+                deactivateDeviceGrab = TRUE;
+            break;
+        case ET_ButtonPress:
+            event->detail.button = b->map[key];
+            if (!event->detail.button) { /* there's no button 0 */
+                event->detail.button = key;
+                return;
+            }
+            if (!grab && CheckDeviceGrabs(device, event, 0))
+            {
+                /* if a passive grab was activated, the event has been sent
+                 * already */
+                return;
+            }
+            break;
+        case ET_ButtonRelease:
+            event->detail.button = b->map[key];
+            if (!event->detail.button) { /* there's no button 0 */
+                event->detail.button = key;
+                return;
+            }
+            if (grab && !b->buttonsDown &&
+                device->deviceGrab.fromPassiveGrab &&
+                (device->deviceGrab.grab->type == ButtonPress ||
+                 device->deviceGrab.grab->type == DeviceButtonPress ||
+                 device->deviceGrab.grab->type == XI_ButtonPress))
+                deactivateDeviceGrab = TRUE;
+        default:
+            break;
+    }
+
+
+    if (grab)
+        DeliverGrabbedEvent((InternalEvent*)event, device, deactivateDeviceGrab);
+    else if (device->focus && !IsPointerEvent((InternalEvent*)ev))
+        DeliverFocusedEvent(device, (InternalEvent*)event,
+                            GetSpriteWindow(device));
+    else
+        DeliverDeviceEvents(GetSpriteWindow(device), (InternalEvent*)event,
+                            NullGrab, NullWindow, device);
+
+    if (deactivateDeviceGrab == TRUE)
+	(*device->deviceGrab.DeactivateGrab) (device);
+    event->detail.key = key;
+}
+
+int
+InitProximityClassDeviceStruct(DeviceIntPtr dev)
+{
+    ProximityClassPtr proxc;
+
+    proxc = (ProximityClassPtr) malloc(sizeof(ProximityClassRec));
+    if (!proxc)
+	return FALSE;
+    proxc->sourceid = dev->id;
+    proxc->in_proximity = TRUE;
+    dev->proximity = proxc;
+    return TRUE;
+}
+
+/**
+ * Initialise the device's valuators. The memory must already be allocated,
+ * this function merely inits the matching axis (specified through axnum) to
+ * sane values.
+ *
+ * It is a condition that (minval < maxval).
+ *
+ * @see InitValuatorClassDeviceStruct
+ */
+void
+InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,
+		       int resolution, int min_res, int max_res, int mode)
+{
+    AxisInfoPtr ax;
+
+    if (!dev || !dev->valuator || minval > maxval)
+        return;
+    if (axnum >= dev->valuator->numAxes)
+        return;
+
+    ax = dev->valuator->axes + axnum;
+
+    ax->min_value = minval;
+    ax->max_value = maxval;
+    ax->resolution = resolution;
+    ax->min_resolution = min_res;
+    ax->max_resolution = max_res;
+    ax->label = label;
+    ax->mode = mode;
+
+    if (mode & OutOfProximity)
+        dev->proximity->in_proximity = FALSE;
+}
+
+static void
+FixDeviceStateNotify(DeviceIntPtr dev, deviceStateNotify * ev, KeyClassPtr k,
+		     ButtonClassPtr b, ValuatorClassPtr v, int first)
+{
+    ev->type = DeviceStateNotify;
+    ev->deviceid = dev->id;
+    ev->time = currentTime.milliseconds;
+    ev->classes_reported = 0;
+    ev->num_keys = 0;
+    ev->num_buttons = 0;
+    ev->num_valuators = 0;
+
+    if (b) {
+	ev->classes_reported |= (1 << ButtonClass);
+	ev->num_buttons = b->numButtons;
+	memcpy((char*)ev->buttons, (char*)b->down, 4);
+    } else if (k) {
+	ev->classes_reported |= (1 << KeyClass);
+	ev->num_keys = k->xkbInfo->desc->max_key_code -
+                       k->xkbInfo->desc->min_key_code;
+	memmove((char *)&ev->keys[0], (char *)k->down, 4);
+    }
+    if (v) {
+	int nval = v->numAxes - first;
+
+	ev->classes_reported |= (1 << ValuatorClass);
+	ev->classes_reported |= valuator_get_mode(dev, 0) << ModeBitsShift;
+	ev->num_valuators = nval < 3 ? nval : 3;
+	switch (ev->num_valuators) {
+	case 3:
+	    ev->valuator2 = v->axisVal[first + 2];
+	case 2:
+	    ev->valuator1 = v->axisVal[first + 1];
+	case 1:
+	    ev->valuator0 = v->axisVal[first];
+	    break;
+	}
+    }
+}
+
+static void
+FixDeviceValuator(DeviceIntPtr dev, deviceValuator * ev, ValuatorClassPtr v,
+		  int first)
+{
+    int nval = v->numAxes - first;
+
+    ev->type = DeviceValuator;
+    ev->deviceid = dev->id;
+    ev->num_valuators = nval < 3 ? nval : 3;
+    ev->first_valuator = first;
+    switch (ev->num_valuators) {
+    case 3:
+	ev->valuator2 = v->axisVal[first + 2];
+    case 2:
+	ev->valuator1 = v->axisVal[first + 1];
+    case 1:
+	ev->valuator0 = v->axisVal[first];
+	break;
+    }
+    first += ev->num_valuators;
+}
+
+void
+DeviceFocusEvent(DeviceIntPtr dev, int type, int mode, int detail,
+		 WindowPtr pWin)
+{
+    deviceFocus event;
+    xXIFocusInEvent *xi2event;
+    DeviceIntPtr mouse;
+    int btlen, len, i;
+
+    mouse = (IsMaster(dev) || dev->u.master) ? GetMaster(dev, MASTER_POINTER) : dev;
+
+    /* XI 2 event */
+    btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0;
+    btlen = bytes_to_int32(btlen);
+    len = sizeof(xXIFocusInEvent) + btlen * 4;
+
+    xi2event = calloc(1, len);
+    xi2event->type         = GenericEvent;
+    xi2event->extension    = IReqCode;
+    xi2event->evtype       = type;
+    xi2event->length       = bytes_to_int32(len - sizeof(xEvent));
+    xi2event->buttons_len  = btlen;
+    xi2event->detail       = detail;
+    xi2event->time         = currentTime.milliseconds;
+    xi2event->deviceid     = dev->id;
+    xi2event->sourceid     = dev->id; /* a device doesn't change focus by itself */
+    xi2event->mode         = mode;
+    xi2event->root_x       = FP1616(mouse->spriteInfo->sprite->hot.x, 0);
+    xi2event->root_y       = FP1616(mouse->spriteInfo->sprite->hot.y, 0);
+
+    for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++)
+        if (BitIsOn(mouse->button->down, i))
+            SetBit(&xi2event[1], i);
+
+    if (dev->key)
+    {
+        xi2event->mods.base_mods = dev->key->xkbInfo->state.base_mods;
+        xi2event->mods.latched_mods = dev->key->xkbInfo->state.latched_mods;
+        xi2event->mods.locked_mods = dev->key->xkbInfo->state.locked_mods;
+        xi2event->mods.effective_mods = dev->key->xkbInfo->state.mods;
+
+        xi2event->group.base_group = dev->key->xkbInfo->state.base_group;
+        xi2event->group.latched_group = dev->key->xkbInfo->state.latched_group;
+        xi2event->group.locked_group = dev->key->xkbInfo->state.locked_group;
+        xi2event->group.effective_group = dev->key->xkbInfo->state.group;
+    }
+
+    FixUpEventFromWindow(dev->spriteInfo->sprite, (xEvent*)xi2event, pWin,
+                         None, FALSE);
+
+    DeliverEventsToWindow(dev, pWin, (xEvent*)xi2event, 1,
+                          GetEventFilter(dev, (xEvent*)xi2event), NullGrab);
+
+    free(xi2event);
+
+    /* XI 1.x event */
+    event.deviceid = dev->id;
+    event.mode = mode;
+    event.type = (type == XI_FocusIn) ? DeviceFocusIn : DeviceFocusOut;
+    event.detail = detail;
+    event.window = pWin->drawable.id;
+    event.time = currentTime.milliseconds;
+
+    DeliverEventsToWindow(dev, pWin, (xEvent *) & event, 1,
+				DeviceFocusChangeMask, NullGrab);
+
+    if ((type == DeviceFocusIn) &&
+	(wOtherInputMasks(pWin)) &&
+	(wOtherInputMasks(pWin)->inputEvents[dev->id] & DeviceStateNotifyMask))
+    {
+	int evcount = 1;
+	deviceStateNotify *ev, *sev;
+	deviceKeyStateNotify *kev;
+	deviceButtonStateNotify *bev;
+
+	KeyClassPtr k;
+	ButtonClassPtr b;
+	ValuatorClassPtr v;
+	int nval = 0, nkeys = 0, nbuttons = 0, first = 0;
+
+	if ((b = dev->button) != NULL) {
+	    nbuttons = b->numButtons;
+	    if (nbuttons > 32)
+		evcount++;
+	}
+	if ((k = dev->key) != NULL) {
+	    nkeys = k->xkbInfo->desc->max_key_code -
+                    k->xkbInfo->desc->min_key_code;
+	    if (nkeys > 32)
+		evcount++;
+	    if (nbuttons > 0) {
+		evcount++;
+	    }
+	}
+	if ((v = dev->valuator) != NULL) {
+	    nval = v->numAxes;
+
+	    if (nval > 3)
+		evcount++;
+	    if (nval > 6) {
+		if (!(k && b))
+		    evcount++;
+		if (nval > 9)
+		    evcount += ((nval - 7) / 3);
+	    }
+	}
+
+	sev = ev = (deviceStateNotify *) malloc(evcount * sizeof(xEvent));
+	FixDeviceStateNotify(dev, ev, NULL, NULL, NULL, first);
+
+	if (b != NULL) {
+	    FixDeviceStateNotify(dev, ev++, NULL, b, v, first);
+	    first += 3;
+	    nval -= 3;
+	    if (nbuttons > 32) {
+		(ev - 1)->deviceid |= MORE_EVENTS;
+		bev = (deviceButtonStateNotify *) ev++;
+		bev->type = DeviceButtonStateNotify;
+		bev->deviceid = dev->id;
+		memcpy((char*)&bev->buttons[4], (char*)&b->down[4], DOWN_LENGTH - 4);
+	    }
+	    if (nval > 0) {
+		(ev - 1)->deviceid |= MORE_EVENTS;
+		FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);
+		first += 3;
+		nval -= 3;
+	    }
+	}
+
+	if (k != NULL) {
+	    FixDeviceStateNotify(dev, ev++, k, NULL, v, first);
+	    first += 3;
+	    nval -= 3;
+	    if (nkeys > 32) {
+		(ev - 1)->deviceid |= MORE_EVENTS;
+		kev = (deviceKeyStateNotify *) ev++;
+		kev->type = DeviceKeyStateNotify;
+		kev->deviceid = dev->id;
+		memmove((char *)&kev->keys[0], (char *)&k->down[4], 28);
+	    }
+	    if (nval > 0) {
+		(ev - 1)->deviceid |= MORE_EVENTS;
+		FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);
+		first += 3;
+		nval -= 3;
+	    }
+	}
+
+	while (nval > 0) {
+	    FixDeviceStateNotify(dev, ev++, NULL, NULL, v, first);
+	    first += 3;
+	    nval -= 3;
+	    if (nval > 0) {
+		(ev - 1)->deviceid |= MORE_EVENTS;
+		FixDeviceValuator(dev, (deviceValuator *) ev++, v, first);
+		first += 3;
+		nval -= 3;
+	    }
+	}
+
+	DeliverEventsToWindow(dev, pWin, (xEvent *) sev, evcount,
+				    DeviceStateNotifyMask, NullGrab);
+	free(sev);
+    }
+}
+
+int
+CheckGrabValues(ClientPtr client, GrabParameters* param)
+{
+    if (param->grabtype != GRABTYPE_CORE &&
+        param->grabtype != GRABTYPE_XI &&
+        param->grabtype != GRABTYPE_XI2)
+    {
+        ErrorF("[Xi] grabtype is invalid. This is a bug.\n");
+        return BadImplementation;
+    }
+
+    if ((param->this_device_mode != GrabModeSync) &&
+	(param->this_device_mode != GrabModeAsync)) {
+	client->errorValue = param->this_device_mode;
+	return BadValue;
+    }
+    if ((param->other_devices_mode != GrabModeSync) &&
+	(param->other_devices_mode != GrabModeAsync)) {
+	client->errorValue = param->other_devices_mode;
+	return BadValue;
+    }
+
+    if (param->grabtype != GRABTYPE_XI2 && (param->modifiers != AnyModifier) &&
+        (param->modifiers & ~AllModifiersMask)) {
+	client->errorValue = param->modifiers;
+	return BadValue;
+    }
+
+    if ((param->ownerEvents != xFalse) && (param->ownerEvents != xTrue)) {
+	client->errorValue = param->ownerEvents;
+	return BadValue;
+    }
+    return Success;
+}
+
+int
+GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
+           int button, GrabParameters *param, GrabType grabtype,
+	   GrabMask *mask)
+{
+    WindowPtr pWin, confineTo;
+    CursorPtr cursor;
+    GrabPtr grab;
+    int rc, type = -1;
+    Mask access_mode = DixGrabAccess;
+
+    rc = CheckGrabValues(client, param);
+    if (rc != Success)
+	return rc;
+    if (param->confineTo == None)
+	confineTo = NullWindow;
+    else {
+	rc = dixLookupWindow(&confineTo, param->confineTo, client, DixSetAttrAccess);
+	if (rc != Success)
+	    return rc;
+    }
+    if (param->cursor == None)
+	cursor = NullCursor;
+    else {
+	rc = dixLookupResourceByType((pointer *)&cursor, param->cursor,
+				     RT_CURSOR, client, DixUseAccess);
+	if (rc != Success)
+	{
+	    client->errorValue = param->cursor;
+	    return rc;
+	}
+	access_mode |= DixForceAccess;
+    }
+    if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)
+	access_mode |= DixFreezeAccess;
+    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+    if (rc != Success)
+	return rc;
+    rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);
+    if (rc != Success)
+	return rc;
+
+    if (grabtype == GRABTYPE_XI)
+        type = DeviceButtonPress;
+    else if (grabtype == GRABTYPE_XI2)
+        type = XI_ButtonPress;
+
+    grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype,
+                      mask, param, type, button, confineTo, cursor);
+    if (!grab)
+	return BadAlloc;
+    return AddPassiveGrabToList(client, grab);
+}
+
+/**
+ * Grab the given key. If grabtype is GRABTYPE_XI, the key is a keycode. If
+ * grabtype is GRABTYPE_XI2, the key is a keysym.
+ */
+int
+GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device,
+        int key, GrabParameters *param, GrabType grabtype, GrabMask *mask)
+{
+    WindowPtr pWin;
+    GrabPtr grab;
+    KeyClassPtr k = dev->key;
+    Mask access_mode = DixGrabAccess;
+    int rc, type = -1;
+
+    rc = CheckGrabValues(client, param);
+    if (rc != Success)
+        return rc;
+    if (k == NULL)
+	return BadMatch;
+    if (grabtype == GRABTYPE_XI)
+    {
+        if ((key > k->xkbInfo->desc->max_key_code ||
+                    key < k->xkbInfo->desc->min_key_code)
+                && (key != AnyKey)) {
+            client->errorValue = key;
+            return BadValue;
+        }
+        type = DeviceKeyPress;
+    } else if (grabtype == GRABTYPE_XI2)
+        type = XI_KeyPress;
+
+    rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);
+    if (rc != Success)
+	return rc;
+    if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)
+	access_mode |= DixFreezeAccess;
+    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+    if (rc != Success)
+	return rc;
+
+    grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype,
+                      mask, param, type, key, NULL, NULL);
+    if (!grab)
+	return BadAlloc;
+    return AddPassiveGrabToList(client, grab);
+}
+
+/* Enter/FocusIn grab */
+int
+GrabWindow(ClientPtr client, DeviceIntPtr dev, int type,
+           GrabParameters *param, GrabMask *mask)
+{
+    WindowPtr pWin;
+    CursorPtr cursor;
+    GrabPtr grab;
+    Mask access_mode = DixGrabAccess;
+    int rc;
+
+    rc = CheckGrabValues(client, param);
+    if (rc != Success)
+        return rc;
+
+    rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess);
+    if (rc != Success)
+	return rc;
+    if (param->cursor == None)
+	cursor = NullCursor;
+    else {
+	rc = dixLookupResourceByType((pointer *)&cursor, param->cursor,
+				     RT_CURSOR, client, DixUseAccess);
+	if (rc != Success)
+	{
+	    client->errorValue = param->cursor;
+	    return rc;
+	}
+	access_mode |= DixForceAccess;
+    }
+    if (param->this_device_mode == GrabModeSync || param->other_devices_mode == GrabModeSync)
+	access_mode |= DixFreezeAccess;
+    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
+    if (rc != Success)
+	return rc;
+
+    grab = CreateGrab(client->index, dev, dev, pWin, GRABTYPE_XI2,
+                      mask, param, (type == XIGrabtypeEnter) ? XI_Enter : XI_FocusIn,
+                      0, NULL, cursor);
+
+    if (!grab)
+        return BadAlloc;
+
+    return AddPassiveGrabToList(client, grab);
+}
+
+int
+SelectForWindow(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client,
+		Mask mask, Mask exclusivemasks)
+{
+    int mskidx = dev->id;
+    int i, ret;
+    Mask check;
+    InputClientsPtr others;
+
+    check = (mask & exclusivemasks);
+    if (wOtherInputMasks(pWin)) {
+	if (check & wOtherInputMasks(pWin)->inputEvents[mskidx]) {	/* It is illegal for two different
+									 * clients to select on any of the
+									 * events for maskcheck. However,
+									 * it is OK, for some client to
+									 * continue selecting on one of those
+									 * events.  */
+	    for (others = wOtherInputMasks(pWin)->inputClients; others;
+		 others = others->next) {
+		if (!SameClient(others, client) && (check &
+						    others->mask[mskidx]))
+		    return BadAccess;
+	    }
+	}
+	for (others = wOtherInputMasks(pWin)->inputClients; others;
+	     others = others->next) {
+	    if (SameClient(others, client)) {
+		check = others->mask[mskidx];
+		others->mask[mskidx] = mask;
+		if (mask == 0) {
+		    for (i = 0; i < EMASKSIZE; i++)
+			if (i != mskidx && others->mask[i] != 0)
+			    break;
+		    if (i == EMASKSIZE) {
+			RecalculateDeviceDeliverableEvents(pWin);
+			if (ShouldFreeInputMasks(pWin, FALSE))
+			    FreeResource(others->resource, RT_NONE);
+			return Success;
+		    }
+		}
+		goto maskSet;
+	    }
+	}
+    }
+    check = 0;
+    if ((ret = AddExtensionClient(pWin, client, mask, mskidx)) != Success)
+	return ret;
+  maskSet:
+    if (dev->valuator)
+	if ((dev->valuator->motionHintWindow == pWin) &&
+	    (mask & DevicePointerMotionHintMask) &&
+	    !(check & DevicePointerMotionHintMask) && !dev->deviceGrab.grab)
+	    dev->valuator->motionHintWindow = NullWindow;
+    RecalculateDeviceDeliverableEvents(pWin);
+    return Success;
+}
+
+int
+AddExtensionClient(WindowPtr pWin, ClientPtr client, Mask mask, int mskidx)
+{
+    InputClientsPtr others;
+
+    if (!pWin->optional && !MakeWindowOptional(pWin))
+	return BadAlloc;
+    others = calloc(1, sizeof(InputClients));
+    if (!others)
+	return BadAlloc;
+    if (!pWin->optional->inputMasks && !MakeInputMasks(pWin))
+	return BadAlloc;
+    others->mask[mskidx] = mask;
+    others->resource = FakeClientID(client->index);
+    others->next = pWin->optional->inputMasks->inputClients;
+    pWin->optional->inputMasks->inputClients = others;
+    if (!AddResource(others->resource, RT_INPUTCLIENT, (pointer) pWin))
+	return BadAlloc;
+    return Success;
+}
+
+static Bool
+MakeInputMasks(WindowPtr pWin)
+{
+    struct _OtherInputMasks *imasks;
+
+    imasks = calloc(1, sizeof(struct _OtherInputMasks));
+    if (!imasks)
+	return FALSE;
+    pWin->optional->inputMasks = imasks;
+    return TRUE;
+}
+
+void
+RecalculateDeviceDeliverableEvents(WindowPtr pWin)
+{
+    InputClientsPtr others;
+    struct _OtherInputMasks *inputMasks;	/* default: NULL */
+    WindowPtr pChild, tmp;
+    int i, j;
+
+    pChild = pWin;
+    while (1) {
+	if ((inputMasks = wOtherInputMasks(pChild)) != 0) {
+            for (i = 0; i < EMASKSIZE; i++)
+                memset(inputMasks->xi2mask[i], 0, sizeof(inputMasks->xi2mask[i]));
+	    for (others = inputMasks->inputClients; others;
+		 others = others->next) {
+		for (i = 0; i < EMASKSIZE; i++)
+		    inputMasks->inputEvents[i] |= others->mask[i];
+                for (i = 0; i < EMASKSIZE; i++)
+                    for (j = 0; j < XI2MASKSIZE; j++)
+                        inputMasks->xi2mask[i][j] |= others->xi2mask[i][j];
+	    }
+	    for (i = 0; i < EMASKSIZE; i++)
+		inputMasks->deliverableEvents[i] = inputMasks->inputEvents[i];
+	    for (tmp = pChild->parent; tmp; tmp = tmp->parent)
+		if (wOtherInputMasks(tmp))
+		    for (i = 0; i < EMASKSIZE; i++)
+			inputMasks->deliverableEvents[i] |=
+			    (wOtherInputMasks(tmp)->deliverableEvents[i]
+			     & ~inputMasks->
+			     dontPropagateMask[i] & PropagateMask[i]);
+	}
+	if (pChild->firstChild) {
+	    pChild = pChild->firstChild;
+	    continue;
+	}
+	while (!pChild->nextSib && (pChild != pWin))
+	    pChild = pChild->parent;
+	if (pChild == pWin)
+	    break;
+	pChild = pChild->nextSib;
+    }
+}
+
+int
+InputClientGone(WindowPtr pWin, XID id)
+{
+    InputClientsPtr other, prev;
+
+    if (!wOtherInputMasks(pWin))
+	return Success;
+    prev = 0;
+    for (other = wOtherInputMasks(pWin)->inputClients; other;
+	 other = other->next) {
+	if (other->resource == id) {
+	    if (prev) {
+		prev->next = other->next;
+		free(other);
+	    } else if (!(other->next)) {
+		if (ShouldFreeInputMasks(pWin, TRUE)) {
+		    wOtherInputMasks(pWin)->inputClients = other->next;
+		    free(wOtherInputMasks(pWin));
+		    pWin->optional->inputMasks = (OtherInputMasks *) NULL;
+		    CheckWindowOptionalNeed(pWin);
+		    free(other);
+		} else {
+		    other->resource = FakeClientID(0);
+		    if (!AddResource(other->resource, RT_INPUTCLIENT,
+				     (pointer) pWin))
+			return BadAlloc;
+		}
+	    } else {
+		wOtherInputMasks(pWin)->inputClients = other->next;
+		free(other);
+	    }
+	    RecalculateDeviceDeliverableEvents(pWin);
+	    return Success;
+	}
+	prev = other;
+    }
+    FatalError("client not on device event list");
+}
+
+int
+SendEvent(ClientPtr client, DeviceIntPtr d, Window dest, Bool propagate,
+	  xEvent * ev, Mask mask, int count)
+{
+    WindowPtr pWin;
+    WindowPtr effectiveFocus = NullWindow;	/* only set if dest==InputFocus */
+    WindowPtr spriteWin = GetSpriteWindow(d);
+
+    if (dest == PointerWindow)
+	pWin = spriteWin;
+    else if (dest == InputFocus) {
+	WindowPtr inputFocus;
+
+	if (!d->focus)
+	    inputFocus = spriteWin;
+	else
+	    inputFocus = d->focus->win;
+
+	if (inputFocus == FollowKeyboardWin)
+	    inputFocus = inputInfo.keyboard->focus->win;
+
+	if (inputFocus == NoneWin)
+	    return Success;
+
+	/* If the input focus is PointerRootWin, send the event to where
+	 * the pointer is if possible, then perhaps propogate up to root. */
+	if (inputFocus == PointerRootWin)
+	    inputFocus = GetCurrentRootWindow(d);
+
+	if (IsParent(inputFocus, spriteWin)) {
+	    effectiveFocus = inputFocus;
+	    pWin = spriteWin;
+	} else
+	    effectiveFocus = pWin = inputFocus;
+    } else
+	dixLookupWindow(&pWin, dest, client, DixSendAccess);
+    if (!pWin)
+	return BadWindow;
+    if ((propagate != xFalse) && (propagate != xTrue)) {
+	client->errorValue = propagate;
+	return BadValue;
+    }
+    ev->u.u.type |= 0x80;
+    if (propagate) {
+	for (; pWin; pWin = pWin->parent) {
+	    if (DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab))
+		return Success;
+	    if (pWin == effectiveFocus)
+		return Success;
+	    if (wOtherInputMasks(pWin))
+		mask &= ~wOtherInputMasks(pWin)->dontPropagateMask[d->id];
+	    if (!mask)
+		break;
+	}
+    } else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, ev, count))
+	DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab);
+    return Success;
+}
+
+int
+SetButtonMapping(ClientPtr client, DeviceIntPtr dev, int nElts, BYTE * map)
+{
+    int i;
+    ButtonClassPtr b = dev->button;
+
+    if (b == NULL)
+	return BadMatch;
+
+    if (nElts != b->numButtons) {
+	client->errorValue = nElts;
+	return BadValue;
+    }
+    if (BadDeviceMap(&map[0], nElts, 1, 255, &client->errorValue))
+	return BadValue;
+    for (i = 0; i < nElts; i++)
+	if ((b->map[i + 1] != map[i]) && BitIsOn(b->down, i + 1))
+	    return MappingBusy;
+    for (i = 0; i < nElts; i++)
+	b->map[i + 1] = map[i];
+    return Success;
+}
+
+int
+ChangeKeyMapping(ClientPtr client,
+		 DeviceIntPtr dev,
+		 unsigned len,
+		 int type,
+		 KeyCode firstKeyCode,
+		 CARD8 keyCodes, CARD8 keySymsPerKeyCode, KeySym * map)
+{
+    KeySymsRec keysyms;
+    KeyClassPtr k = dev->key;
+
+    if (k == NULL)
+	return BadMatch;
+
+    if (len != (keyCodes * keySymsPerKeyCode))
+	return BadLength;
+
+    if ((firstKeyCode < k->xkbInfo->desc->min_key_code) ||
+	(firstKeyCode + keyCodes - 1 > k->xkbInfo->desc->max_key_code)) {
+	client->errorValue = firstKeyCode;
+	return BadValue;
+    }
+    if (keySymsPerKeyCode == 0) {
+	client->errorValue = 0;
+	return BadValue;
+    }
+    keysyms.minKeyCode = firstKeyCode;
+    keysyms.maxKeyCode = firstKeyCode + keyCodes - 1;
+    keysyms.mapWidth = keySymsPerKeyCode;
+    keysyms.map = map;
+
+    XkbApplyMappingChange(dev, &keysyms, firstKeyCode, keyCodes, NULL,
+                          serverClient);
+
+    return Success;
+}
+
+static void
+DeleteDeviceFromAnyExtEvents(WindowPtr pWin, DeviceIntPtr dev)
+{
+    WindowPtr parent;
+
+    /* Deactivate any grabs performed on this window, before making
+     * any input focus changes.
+     * Deactivating a device grab should cause focus events. */
+
+    if (dev->deviceGrab.grab && (dev->deviceGrab.grab->window == pWin))
+	(*dev->deviceGrab.DeactivateGrab) (dev);
+
+    /* If the focus window is a root window (ie. has no parent)
+     * then don't delete the focus from it. */
+
+    if (dev->focus && (pWin == dev->focus->win) && (pWin->parent != NullWindow)) {
+	int focusEventMode = NotifyNormal;
+
+	/* If a grab is in progress, then alter the mode of focus events. */
+
+	if (dev->deviceGrab.grab)
+	    focusEventMode = NotifyWhileGrabbed;
+
+	switch (dev->focus->revert) {
+	case RevertToNone:
+	    if (!ActivateFocusInGrab(dev, pWin, NoneWin))
+		DoFocusEvents(dev, pWin, NoneWin, focusEventMode);
+	    dev->focus->win = NoneWin;
+	    dev->focus->traceGood = 0;
+	    break;
+	case RevertToParent:
+	    parent = pWin;
+	    do {
+		parent = parent->parent;
+		dev->focus->traceGood--;
+	    }
+	    while (!parent->realized);
+	    if (!ActivateFocusInGrab(dev, pWin, parent))
+		DoFocusEvents(dev, pWin, parent, focusEventMode);
+	    dev->focus->win = parent;
+	    dev->focus->revert = RevertToNone;
+	    break;
+	case RevertToPointerRoot:
+	    if (!ActivateFocusInGrab(dev, pWin, PointerRootWin))
+		DoFocusEvents(dev, pWin, PointerRootWin, focusEventMode);
+	    dev->focus->win = PointerRootWin;
+	    dev->focus->traceGood = 0;
+	    break;
+	case RevertToFollowKeyboard:
+            {
+                DeviceIntPtr kbd = GetMaster(dev, MASTER_KEYBOARD);
+                if (!kbd || (kbd == dev && kbd != inputInfo.keyboard))
+                    kbd = inputInfo.keyboard;
+	    if (kbd->focus->win) {
+		if (!ActivateFocusInGrab(dev, pWin, kbd->focus->win))
+		    DoFocusEvents(dev, pWin, kbd->focus->win, focusEventMode);
+		dev->focus->win = FollowKeyboardWin;
+		dev->focus->traceGood = 0;
+	    } else {
+                if (!ActivateFocusInGrab(dev, pWin, NoneWin))
+                    DoFocusEvents(dev, pWin, NoneWin, focusEventMode);
+		dev->focus->win = NoneWin;
+		dev->focus->traceGood = 0;
+	    }
+            }
+	    break;
+	}
+    }
+
+    if (dev->valuator)
+	if (dev->valuator->motionHintWindow == pWin)
+	    dev->valuator->motionHintWindow = NullWindow;
+}
+
+void
+DeleteWindowFromAnyExtEvents(WindowPtr pWin, Bool freeResources)
+{
+    int i;
+    DeviceIntPtr dev;
+    InputClientsPtr ic;
+    struct _OtherInputMasks *inputMasks;
+
+    for (dev = inputInfo.devices; dev; dev = dev->next) {
+	DeleteDeviceFromAnyExtEvents(pWin, dev);
+    }
+
+    for (dev = inputInfo.off_devices; dev; dev = dev->next)
+	DeleteDeviceFromAnyExtEvents(pWin, dev);
+
+    if (freeResources)
+	while ((inputMasks = wOtherInputMasks(pWin)) != 0) {
+	    ic = inputMasks->inputClients;
+	    for (i = 0; i < EMASKSIZE; i++)
+		inputMasks->dontPropagateMask[i] = 0;
+	    FreeResource(ic->resource, RT_NONE);
+	}
+}
+
+int
+MaybeSendDeviceMotionNotifyHint(deviceKeyButtonPointer * pEvents, Mask mask)
+{
+    DeviceIntPtr dev;
+
+    dixLookupDevice(&dev, pEvents->deviceid & DEVICE_BITS, serverClient,
+		    DixReadAccess);
+    if (!dev)
+        return 0;
+
+    if (pEvents->type == DeviceMotionNotify) {
+	if (mask & DevicePointerMotionHintMask) {
+	    if (WID(dev->valuator->motionHintWindow) == pEvents->event) {
+		return 1;	/* don't send, but pretend we did */
+	    }
+	    pEvents->detail = NotifyHint;
+	} else {
+	    pEvents->detail = NotifyNormal;
+	}
+    }
+    return 0;
+}
+
+void
+CheckDeviceGrabAndHintWindow(WindowPtr pWin, int type,
+			     deviceKeyButtonPointer * xE, GrabPtr grab,
+			     ClientPtr client, Mask deliveryMask)
+{
+    DeviceIntPtr dev;
+
+    dixLookupDevice(&dev, xE->deviceid & DEVICE_BITS, serverClient,
+		    DixGrabAccess);
+    if (!dev)
+        return;
+
+    if (type == DeviceMotionNotify)
+	dev->valuator->motionHintWindow = pWin;
+    else if ((type == DeviceButtonPress) && (!grab) &&
+	     (deliveryMask & DeviceButtonGrabMask)) {
+	GrabRec tempGrab;
+
+	tempGrab.device = dev;
+	tempGrab.resource = client->clientAsMask;
+	tempGrab.window = pWin;
+	tempGrab.ownerEvents =
+	    (deliveryMask & DeviceOwnerGrabButtonMask) ? TRUE : FALSE;
+	tempGrab.eventMask = deliveryMask;
+	tempGrab.keyboardMode = GrabModeAsync;
+	tempGrab.pointerMode = GrabModeAsync;
+	tempGrab.confineTo = NullWindow;
+	tempGrab.cursor = NullCursor;
+        tempGrab.next = NULL;
+	(*dev->deviceGrab.ActivateGrab) (dev, &tempGrab, currentTime, TRUE);
+    }
+}
+
+static Mask
+DeviceEventMaskForClient(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)
+{
+    InputClientsPtr other;
+
+    if (!wOtherInputMasks(pWin))
+	return 0;
+    for (other = wOtherInputMasks(pWin)->inputClients; other;
+	 other = other->next) {
+	if (SameClient(other, client))
+	    return other->mask[dev->id];
+    }
+    return 0;
+}
+
+void
+MaybeStopDeviceHint(DeviceIntPtr dev, ClientPtr client)
+{
+    WindowPtr pWin;
+    GrabPtr grab = dev->deviceGrab.grab;
+
+    pWin = dev->valuator->motionHintWindow;
+
+    if ((grab && SameClient(grab, client) &&
+	 ((grab->eventMask & DevicePointerMotionHintMask) ||
+	  (grab->ownerEvents &&
+	   (DeviceEventMaskForClient(dev, pWin, client) &
+	    DevicePointerMotionHintMask)))) ||
+	(!grab &&
+	 (DeviceEventMaskForClient(dev, pWin, client) &
+	  DevicePointerMotionHintMask)))
+	dev->valuator->motionHintWindow = NullWindow;
+}
+
+int
+DeviceEventSuppressForWindow(WindowPtr pWin, ClientPtr client, Mask mask,
+			     int maskndx)
+{
+    struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
+
+    if (mask & ~PropagateMask[maskndx]) {
+	client->errorValue = mask;
+	return BadValue;
+    }
+
+    if (mask == 0) {
+	if (inputMasks)
+	    inputMasks->dontPropagateMask[maskndx] = mask;
+    } else {
+	if (!inputMasks)
+	    AddExtensionClient(pWin, client, 0, 0);
+	inputMasks = wOtherInputMasks(pWin);
+	inputMasks->dontPropagateMask[maskndx] = mask;
+    }
+    RecalculateDeviceDeliverableEvents(pWin);
+    if (ShouldFreeInputMasks(pWin, FALSE))
+	FreeResource(inputMasks->inputClients->resource, RT_NONE);
+    return Success;
+}
+
+Bool
+ShouldFreeInputMasks(WindowPtr pWin, Bool ignoreSelectedEvents)
+{
+    int i;
+    Mask allInputEventMasks = 0;
+    struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin);
+
+    for (i = 0; i < EMASKSIZE; i++)
+	allInputEventMasks |= inputMasks->dontPropagateMask[i];
+    if (!ignoreSelectedEvents)
+	for (i = 0; i < EMASKSIZE; i++)
+	    allInputEventMasks |= inputMasks->inputEvents[i];
+    if (allInputEventMasks == 0)
+	return TRUE;
+    else
+	return FALSE;
+}
+
+/***********************************************************************
+ *
+ * Walk through the window tree, finding all clients that want to know
+ * about the Event.
+ *
+ */
+
+static void
+FindInterestedChildren(DeviceIntPtr dev, WindowPtr p1, Mask mask,
+                       xEvent * ev, int count)
+{
+    WindowPtr p2;
+
+    while (p1) {
+        p2 = p1->firstChild;
+        DeliverEventsToWindow(dev, p1, ev, count, mask, NullGrab);
+        FindInterestedChildren(dev, p2, mask, ev, count);
+        p1 = p1->nextSib;
+    }
+}
+
+/***********************************************************************
+ *
+ * Send an event to interested clients in all windows on all screens.
+ *
+ */
+
+void
+SendEventToAllWindows(DeviceIntPtr dev, Mask mask, xEvent * ev, int count)
+{
+    int i;
+    WindowPtr pWin, p1;
+
+    for (i = 0; i < screenInfo.numScreens; i++) {
+        pWin = screenInfo.screens[i]->root;
+        if (!pWin)
+            continue;
+        DeliverEventsToWindow(dev, pWin, ev, count, mask, NullGrab);
+        p1 = pWin->firstChild;
+        FindInterestedChildren(dev, p1, mask, ev, count);
+    }
+}
+
+/**
+ * Set the XI2 mask for the given client on the given window.
+ * @param dev The device to set the mask for.
+ * @param win The window to set the mask on.
+ * @param client The client setting the mask.
+ * @param len Number of bytes in mask.
+ * @param mask Event mask in the form of (1 << eventtype)
+ */
+int
+XISetEventMask(DeviceIntPtr dev, WindowPtr win, ClientPtr client,
+               unsigned int len, unsigned char* mask)
+{
+    OtherInputMasks *masks;
+    InputClientsPtr others = NULL;
+
+    masks = wOtherInputMasks(win);
+    if (masks)
+    {
+	for (others = wOtherInputMasks(win)->inputClients; others;
+	     others = others->next) {
+	    if (SameClient(others, client)) {
+                memset(others->xi2mask[dev->id], 0,
+                       sizeof(others->xi2mask[dev->id]));
+                break;
+            }
+        }
+    }
+
+    len = min(len, sizeof(others->xi2mask[dev->id]));
+
+    if (len && !others)
+    {
+        if (AddExtensionClient(win, client, 0, 0) != Success)
+            return BadAlloc;
+        others= wOtherInputMasks(win)->inputClients;
+    }
+
+    if (others)
+        memset(others->xi2mask[dev->id], 0, sizeof(others->xi2mask[dev->id]));
+
+    if (len)
+        memcpy(others->xi2mask[dev->id], mask, len);
+
+    RecalculateDeviceDeliverableEvents(win);
+
+    return Success;
+}
diff --git a/xorg-server/Xi/extinit.c b/xorg-server/Xi/extinit.c
index a6408fbb3..82df7eb02 100644
--- a/xorg-server/Xi/extinit.c
+++ b/xorg-server/Xi/extinit.c
@@ -1,1308 +1,1309 @@
-/************************************************************

-

-Copyright 1989, 1998  The Open Group

-

-Permission to use, copy, modify, distribute, and sell this software and its

-documentation for any purpose is hereby granted without fee, provided that

-the above copyright notice appear in all copies and that both that

-copyright notice and this permission notice appear in supporting

-documentation.

-

-The above copyright notice and this permission notice shall be included in

-all copies or substantial portions of the Software.

-

-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE

-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN

-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

-

-Except as contained in this notice, the name of The Open Group shall not be

-used in advertising or otherwise to promote the sale, use or other dealings

-in this Software without prior written authorization from The Open Group.

-

-Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.

-

-			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 name of Hewlett-Packard 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.

-

-********************************************************/

-

-/********************************************************************

- *

- *  Dispatch routines and initialization routines for the X input extension.

- *

- */

-

-#define	 NUMTYPES 15

-

-#ifdef HAVE_DIX_CONFIG_H

-#include <dix-config.h>

-#endif

-

-#include "inputstr.h"

-#include "gcstruct.h"	/* pointer for extnsionst.h */

-#include "extnsionst.h"	/* extension entry   */

-#include <X11/extensions/XI.h>

-#include <X11/extensions/XIproto.h>

-#include <X11/extensions/XI2proto.h>

-#include <X11/extensions/geproto.h>

-#include "geext.h" /* extension interfaces for ge */

-

-#include "dixevents.h"

-#include "exevents.h"

-#include "extinit.h"

-#include "exglobals.h"

-#include "swaprep.h"

-#include "privates.h"

-#include "protocol-versions.h"

-

-/* modules local to Xi */

-#include "allowev.h"

-#include "chgdctl.h"

-#include "chgfctl.h"

-#include "chgkbd.h"

-#include "chgprop.h"

-#include "chgptr.h"

-#include "closedev.h"

-#include "devbell.h"

-#include "getbmap.h"

-#include "getbmap.h"

-#include "getdctl.h"

-#include "getfctl.h"

-#include "getfocus.h"

-#include "getkmap.h"

-#include "getmmap.h"

-#include "getprop.h"

-#include "getselev.h"

-#include "getvers.h"

-#include "getvers.h"

-#include "grabdev.h"

-#include "grabdevb.h"

-#include "grabdevk.h"

-#include "gtmotion.h"

-#include "listdev.h"

-#include "opendev.h"

-#include "queryst.h"

-#include "selectev.h"

-#include "sendexev.h"

-#include "chgkmap.h"

-#include "setbmap.h"

-#include "setdval.h"

-#include "setfocus.h"

-#include "setmmap.h"

-#include "setmode.h"

-#include "ungrdev.h"

-#include "ungrdevb.h"

-#include "ungrdevk.h"

-#include "xiallowev.h"

-#include "xiselectev.h"

-#include "xigrabdev.h"

-#include "xipassivegrab.h"

-#include "xisetdevfocus.h"

-#include "xiproperty.h"

-#include "xichangecursor.h"

-#include "xichangehierarchy.h"

-#include "xigetclientpointer.h"

-#include "xiquerydevice.h"

-#include "xiquerypointer.h"

-#include "xiqueryversion.h"

-#include "xisetclientpointer.h"

-#include "xiwarppointer.h"

-

-

-/* Masks for XI events have to be aligned with core event (partially anyway).

- * If DeviceButtonMotionMask is != ButtonMotionMask, event delivery

- * breaks down. The device needs the dev->button->motionMask. If DBMM is

- * the same as BMM, we can ensure that both core and device events can be

- * delivered, without the need for extra structures in the DeviceIntRec. */

-const Mask DeviceKeyPressMask             = KeyPressMask;

-const Mask DeviceKeyReleaseMask           = KeyReleaseMask;

-const Mask DeviceButtonPressMask          = ButtonPressMask;

-const Mask DeviceButtonReleaseMask        = ButtonReleaseMask;

-const Mask DeviceProximityMask            = (1L << 4);

-const Mask DeviceStateNotifyMask          = (1L << 5);

-const Mask DevicePointerMotionMask        = PointerMotionMask;

-const Mask DevicePointerMotionHintMask    = PointerMotionHintMask;

-const Mask DeviceButton1MotionMask        = Button1MotionMask;

-const Mask DeviceButton2MotionMask        = Button2MotionMask;

-const Mask DeviceButton3MotionMask        = Button3MotionMask;

-const Mask DeviceButton4MotionMask        = Button4MotionMask;

-const Mask DeviceButton5MotionMask        = Button5MotionMask;

-const Mask DeviceButtonMotionMask         = ButtonMotionMask;

-const Mask DeviceFocusChangeMask          = (1L << 14);

-const Mask DeviceMappingNotifyMask        = (1L << 15);

-const Mask ChangeDeviceNotifyMask         = (1L << 16);

-const Mask DeviceButtonGrabMask           = (1L << 17);

-const Mask DeviceOwnerGrabButtonMask      = (1L << 17);

-const Mask DevicePresenceNotifyMask       = (1L << 18);

-const Mask DeviceEnterWindowMask          = (1L << 18);

-const Mask DeviceLeaveWindowMask          = (1L << 19);

-const Mask DevicePropertyNotifyMask       = (1L << 20);

-const Mask XIAllMasks                     = (1L << 21) - 1;

-

-int ExtEventIndex;

-Mask ExtExclusiveMasks[EMASKSIZE];

-

-static struct dev_type

-{

-    Atom type;

-    char *name;

-} dev_type[] = {

-    {

-    0, XI_KEYBOARD}, {

-    0, XI_MOUSE}, {

-    0, XI_TABLET}, {

-    0, XI_TOUCHSCREEN}, {

-    0, XI_TOUCHPAD}, {

-    0, XI_BARCODE}, {

-    0, XI_BUTTONBOX}, {

-    0, XI_KNOB_BOX}, {

-    0, XI_ONE_KNOB}, {

-    0, XI_NINE_KNOB}, {

-    0, XI_TRACKBALL}, {

-    0, XI_QUADRATURE}, {

-    0, XI_ID_MODULE}, {

-    0, XI_SPACEBALL}, {

-    0, XI_DATAGLOVE}, {

-    0, XI_EYETRACKER}, {

-    0, XI_CURSORKEYS}, {

-0, XI_FOOTMOUSE}};

-

-CARD8 event_base[numInputClasses];

-XExtEventInfo EventInfo[32];

-

-static DeviceIntRec xi_all_devices;

-static DeviceIntRec xi_all_master_devices;

-

-/**

- * Dispatch vector. Functions defined in here will be called when the matching

- * request arrives.

- */

-static int (*ProcIVector[])(ClientPtr) = {

-        NULL,                                   /*  0 */

-	ProcXGetExtensionVersion,               /*  1 */

-	ProcXListInputDevices,                  /*  2 */

-	ProcXOpenDevice,                        /*  3 */

-	ProcXCloseDevice,                       /*  4 */

-	ProcXSetDeviceMode,                     /*  5 */

-	ProcXSelectExtensionEvent,              /*  6 */

-	ProcXGetSelectedExtensionEvents,        /*  7 */

-	ProcXChangeDeviceDontPropagateList,     /*  8 */

-	ProcXGetDeviceDontPropagateList,        /*  9 */

-	ProcXGetDeviceMotionEvents,             /* 10 */

-	ProcXChangeKeyboardDevice,              /* 11 */

-	ProcXChangePointerDevice,               /* 12 */

-	ProcXGrabDevice,                        /* 13 */

-	ProcXUngrabDevice,                      /* 14 */

-	ProcXGrabDeviceKey,                     /* 15 */

-	ProcXUngrabDeviceKey,                   /* 16 */

-	ProcXGrabDeviceButton,                  /* 17 */

-	ProcXUngrabDeviceButton,                /* 18 */

-	ProcXAllowDeviceEvents,                 /* 19 */

-	ProcXGetDeviceFocus,                    /* 20 */

-	ProcXSetDeviceFocus,                    /* 21 */

-	ProcXGetFeedbackControl,                /* 22 */

-	ProcXChangeFeedbackControl,             /* 23 */

-	ProcXGetDeviceKeyMapping,               /* 24 */

-	ProcXChangeDeviceKeyMapping,            /* 25 */

-	ProcXGetDeviceModifierMapping,          /* 26 */

-	ProcXSetDeviceModifierMapping,          /* 27 */

-	ProcXGetDeviceButtonMapping,            /* 28 */

-	ProcXSetDeviceButtonMapping,            /* 29 */

-	ProcXQueryDeviceState,                  /* 30 */

-	ProcXSendExtensionEvent,                /* 31 */

-	ProcXDeviceBell,                        /* 32 */

-	ProcXSetDeviceValuators,                /* 33 */

-	ProcXGetDeviceControl,                  /* 34 */

-	ProcXChangeDeviceControl,               /* 35 */

-        /* XI 1.5 */

-        ProcXListDeviceProperties,              /* 36 */

-        ProcXChangeDeviceProperty,              /* 37 */

-        ProcXDeleteDeviceProperty,              /* 38 */

-        ProcXGetDeviceProperty,                 /* 39 */

-        /* XI 2 */

-        ProcXIQueryPointer,                     /* 40 */

-        ProcXIWarpPointer,                      /* 41 */

-        ProcXIChangeCursor,                     /* 42 */

-        ProcXIChangeHierarchy,                  /* 43 */

-        ProcXISetClientPointer,                 /* 44 */

-        ProcXIGetClientPointer,                 /* 45 */

-        ProcXISelectEvents,                     /* 46 */

-        ProcXIQueryVersion,                     /* 47 */

-        ProcXIQueryDevice,                      /* 48 */

-        ProcXISetFocus,                         /* 49 */

-        ProcXIGetFocus,                         /* 50 */

-        ProcXIGrabDevice,                       /* 51 */

-        ProcXIUngrabDevice,                     /* 52 */

-        ProcXIAllowEvents,                      /* 53 */

-        ProcXIPassiveGrabDevice,                /* 54 */

-        ProcXIPassiveUngrabDevice,              /* 55 */

-        ProcXIListProperties,                   /* 56 */

-        ProcXIChangeProperty,                   /* 57 */

-        ProcXIDeleteProperty,                   /* 58 */

-        ProcXIGetProperty,                      /* 59 */

-        ProcXIGetSelectedEvents                 /* 60 */

-};

-

-/* For swapped clients */

-static int (*SProcIVector[])(ClientPtr) = {

-        NULL,                                    /*  0 */

-	SProcXGetExtensionVersion,               /*  1 */

-	SProcXListInputDevices,                  /*  2 */

-	SProcXOpenDevice,                        /*  3 */

-	SProcXCloseDevice,                       /*  4 */

-	SProcXSetDeviceMode,                     /*  5 */

-	SProcXSelectExtensionEvent,              /*  6 */

-	SProcXGetSelectedExtensionEvents,        /*  7 */

-	SProcXChangeDeviceDontPropagateList,     /*  8 */

-	SProcXGetDeviceDontPropagateList,        /*  9 */

-	SProcXGetDeviceMotionEvents,             /* 10 */

-	SProcXChangeKeyboardDevice,              /* 11 */

-	SProcXChangePointerDevice,               /* 12 */

-	SProcXGrabDevice,                        /* 13 */

-	SProcXUngrabDevice,                      /* 14 */

-	SProcXGrabDeviceKey,                     /* 15 */

-	SProcXUngrabDeviceKey,                   /* 16 */

-	SProcXGrabDeviceButton,                  /* 17 */

-	SProcXUngrabDeviceButton,                /* 18 */

-	SProcXAllowDeviceEvents,                 /* 19 */

-	SProcXGetDeviceFocus,                    /* 20 */

-	SProcXSetDeviceFocus,                    /* 21 */

-	SProcXGetFeedbackControl,                /* 22 */

-	SProcXChangeFeedbackControl,             /* 23 */

-	SProcXGetDeviceKeyMapping,               /* 24 */

-	SProcXChangeDeviceKeyMapping,            /* 25 */

-	SProcXGetDeviceModifierMapping,          /* 26 */

-	SProcXSetDeviceModifierMapping,          /* 27 */

-	SProcXGetDeviceButtonMapping,            /* 28 */

-	SProcXSetDeviceButtonMapping,            /* 29 */

-	SProcXQueryDeviceState,                  /* 30 */

-	SProcXSendExtensionEvent,                /* 31 */

-	SProcXDeviceBell,                        /* 32 */

-	SProcXSetDeviceValuators,                /* 33 */

-	SProcXGetDeviceControl,                  /* 34 */

-	SProcXChangeDeviceControl,               /* 35 */

-        SProcXListDeviceProperties,              /* 36 */

-        SProcXChangeDeviceProperty,              /* 37 */

-        SProcXDeleteDeviceProperty,              /* 38 */

-        SProcXGetDeviceProperty,                 /* 39 */

-        SProcXIQueryPointer,                     /* 40 */

-        SProcXIWarpPointer,                      /* 41 */

-        SProcXIChangeCursor,                     /* 42 */

-        SProcXIChangeHierarchy,                  /* 43 */

-        SProcXISetClientPointer,                 /* 44 */

-        SProcXIGetClientPointer,                 /* 45 */

-        SProcXISelectEvents,                     /* 46 */

-        SProcXIQueryVersion,                     /* 47 */

-        SProcXIQueryDevice,                      /* 48 */

-        SProcXISetFocus,                         /* 49 */

-        SProcXIGetFocus,                         /* 50 */

-        SProcXIGrabDevice,                       /* 51 */

-        SProcXIUngrabDevice,                     /* 52 */

-        SProcXIAllowEvents,                      /* 53 */

-        SProcXIPassiveGrabDevice,                /* 54 */

-        SProcXIPassiveUngrabDevice,              /* 55 */

-        SProcXIListProperties,                   /* 56 */

-        SProcXIChangeProperty,                   /* 57 */

-        SProcXIDeleteProperty,                   /* 58 */

-        SProcXIGetProperty,                      /* 59 */

-        SProcXIGetSelectedEvents                 /* 60 */

-};

-

-/*****************************************************************

- *

- * Globals referenced elsewhere in the server.

- *

- */

-

-int IReqCode = 0;

-int IEventBase = 0;

-int BadDevice = 0;

-static int BadEvent = 1;

-int BadMode = 2;

-int DeviceBusy = 3;

-int BadClass = 4;

-

-int DeviceValuator;

-int DeviceKeyPress;

-int DeviceKeyRelease;

-int DeviceButtonPress;

-int DeviceButtonRelease;

-int DeviceMotionNotify;

-int DeviceFocusIn;

-int DeviceFocusOut;

-int ProximityIn;

-int ProximityOut;

-int DeviceStateNotify;

-int DeviceKeyStateNotify;

-int DeviceButtonStateNotify;

-int DeviceMappingNotify;

-int ChangeDeviceNotify;

-int DevicePresenceNotify;

-int DevicePropertyNotify;

-

-int RT_INPUTCLIENT;

-

-/*****************************************************************

- *

- * Externs defined elsewhere in the X server.

- *

- */

-

-extern XExtensionVersion XIVersion;

-

-

-Mask PropagateMask[MAXDEVICES];

-

-/*****************************************************************

- *

- * Versioning support

- *

- */

-

-DevPrivateKeyRec XIClientPrivateKeyRec;

-

-/*****************************************************************

- *

- * Declarations of local routines.

- *

- */

-

-static void

-XIClientCallback(CallbackListPtr        *list,

-                 pointer                closure,

-                 pointer                data)

-{

-    NewClientInfoRec *clientinfo = (NewClientInfoRec*)data;

-    ClientPtr pClient = clientinfo->client;

-    XIClientPtr pXIClient;

-

-    pXIClient = dixLookupPrivate(&pClient->devPrivates, XIClientPrivateKey);

-    pXIClient->major_version = 0;

-    pXIClient->minor_version = 0;

-}

-

-/*************************************************************************

- *

- * ProcIDispatch - main dispatch routine for requests to this extension.

- * This routine is used if server and client have the same byte ordering.

- *

- */

-

-static int

-ProcIDispatch(ClientPtr client)

-{

-    REQUEST(xReq);

-    if (stuff->data > (IREQUESTS + XI2REQUESTS) || !ProcIVector[stuff->data])

-        return BadRequest;

-

-    return (*ProcIVector[stuff->data])(client);

-}

-

-/*******************************************************************************

- *

- * SProcXDispatch

- *

- * Main swapped dispatch routine for requests to this extension.

- * This routine is used if server and client do not have the same byte ordering.

- *

- */

-

-static int

-SProcIDispatch(ClientPtr client)

-{

-    REQUEST(xReq);

-    if (stuff->data > IREQUESTS || !SProcIVector[stuff->data])

-        return BadRequest;

-

-    return (*SProcIVector[stuff->data])(client);

-}

-

-/**********************************************************************

- *

- * SReplyIDispatch

- * Swap any replies defined in this extension.

- *

- */

-

-static void

-SReplyIDispatch(ClientPtr client, int len, xGrabDeviceReply * rep)

-					/* All we look at is the type field */

-{	/* This is common to all replies    */

-    if (rep->RepType == X_GetExtensionVersion)

-	SRepXGetExtensionVersion(client, len,

-				 (xGetExtensionVersionReply *) rep);

-    else if (rep->RepType == X_ListInputDevices)

-	SRepXListInputDevices(client, len, (xListInputDevicesReply *) rep);

-    else if (rep->RepType == X_OpenDevice)

-	SRepXOpenDevice(client, len, (xOpenDeviceReply *) rep);

-    else if (rep->RepType == X_SetDeviceMode)

-	SRepXSetDeviceMode(client, len, (xSetDeviceModeReply *) rep);

-    else if (rep->RepType == X_GetSelectedExtensionEvents)

-	SRepXGetSelectedExtensionEvents(client, len,

-					(xGetSelectedExtensionEventsReply *)

-					rep);

-    else if (rep->RepType == X_GetDeviceDontPropagateList)

-	SRepXGetDeviceDontPropagateList(client, len,

-					(xGetDeviceDontPropagateListReply *)

-					rep);

-    else if (rep->RepType == X_GetDeviceMotionEvents)

-	SRepXGetDeviceMotionEvents(client, len,

-				   (xGetDeviceMotionEventsReply *) rep);

-    else if (rep->RepType == X_GrabDevice)

-	SRepXGrabDevice(client, len, (xGrabDeviceReply *) rep);

-    else if (rep->RepType == X_GetDeviceFocus)

-	SRepXGetDeviceFocus(client, len, (xGetDeviceFocusReply *) rep);

-    else if (rep->RepType == X_GetFeedbackControl)

-	SRepXGetFeedbackControl(client, len, (xGetFeedbackControlReply *) rep);

-    else if (rep->RepType == X_GetDeviceKeyMapping)

-	SRepXGetDeviceKeyMapping(client, len,

-				 (xGetDeviceKeyMappingReply *) rep);

-    else if (rep->RepType == X_GetDeviceModifierMapping)

-	SRepXGetDeviceModifierMapping(client, len,

-				      (xGetDeviceModifierMappingReply *) rep);

-    else if (rep->RepType == X_SetDeviceModifierMapping)

-	SRepXSetDeviceModifierMapping(client, len,

-				      (xSetDeviceModifierMappingReply *) rep);

-    else if (rep->RepType == X_GetDeviceButtonMapping)

-	SRepXGetDeviceButtonMapping(client, len,

-				    (xGetDeviceButtonMappingReply *) rep);

-    else if (rep->RepType == X_SetDeviceButtonMapping)

-	SRepXSetDeviceButtonMapping(client, len,

-				    (xSetDeviceButtonMappingReply *) rep);

-    else if (rep->RepType == X_QueryDeviceState)

-	SRepXQueryDeviceState(client, len, (xQueryDeviceStateReply *) rep);

-    else if (rep->RepType == X_SetDeviceValuators)

-	SRepXSetDeviceValuators(client, len, (xSetDeviceValuatorsReply *) rep);

-    else if (rep->RepType == X_GetDeviceControl)

-	SRepXGetDeviceControl(client, len, (xGetDeviceControlReply *) rep);

-    else if (rep->RepType == X_ChangeDeviceControl)

-	SRepXChangeDeviceControl(client, len,

-				 (xChangeDeviceControlReply *) rep);

-    else if (rep->RepType == X_ListDeviceProperties)

-        SRepXListDeviceProperties(client, len, (xListDevicePropertiesReply*)rep);

-    else if (rep->RepType == X_GetDeviceProperty)

-	SRepXGetDeviceProperty(client, len, (xGetDevicePropertyReply *) rep);

-    else if (rep->RepType == X_XIQueryPointer)

-	SRepXIQueryPointer(client, len, (xXIQueryPointerReply *) rep);

-    else if (rep->RepType == X_XIGetClientPointer)

-        SRepXIGetClientPointer(client, len, (xXIGetClientPointerReply*) rep);

-    else if (rep->RepType == X_XIQueryVersion)

-        SRepXIQueryVersion(client, len, (xXIQueryVersionReply*)rep);

-    else if (rep->RepType == X_XIQueryDevice)

-        SRepXIQueryDevice(client, len, (xXIQueryDeviceReply*)rep);

-    else if (rep->RepType == X_XIGrabDevice)

-	SRepXIGrabDevice(client, len, (xXIGrabDeviceReply *) rep);

-    else if (rep->RepType == X_XIGrabDevice)

-	SRepXIPassiveGrabDevice(client, len, (xXIPassiveGrabDeviceReply *) rep);

-    else if (rep->RepType == X_XIListProperties)

-	SRepXIListProperties(client, len, (xXIListPropertiesReply *) rep);

-    else if (rep->RepType == X_XIGetProperty)

-	SRepXIGetProperty(client, len, (xXIGetPropertyReply *) rep);

-    else if (rep->RepType == X_XIGetSelectedEvents)

-	SRepXIGetSelectedEvents(client, len, (xXIGetSelectedEventsReply *) rep);

-    else if (rep->RepType == X_XIGetFocus)

-	SRepXIGetFocus(client, len, (xXIGetFocusReply *) rep);

-    else {

-	FatalError("XINPUT confused sending swapped reply");

-    }

-}

-

-/************************************************************************

- *

- * This function swaps the DeviceValuator event.

- *

- */

-

-static void

-SEventDeviceValuator(deviceValuator * from, deviceValuator * to)

-{

-    char n;

-    int i;

-    INT32 *ip B32;

-

-    *to = *from;

-    swaps(&to->sequenceNumber, n);

-    swaps(&to->device_state, n);

-    ip = &to->valuator0;

-    for (i = 0; i < 6; i++) {

-	swapl((ip + i), n);	/* macro - braces are required      */

-    }

-}

-

-static void

-SEventFocus(deviceFocus * from, deviceFocus * to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->time, n);

-    swapl(&to->window, n);

-}

-

-static void

-SDeviceStateNotifyEvent(deviceStateNotify * from, deviceStateNotify * to)

-{

-    int i;

-    char n;

-    INT32 *ip B32;

-

-    *to = *from;

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->time, n);

-    ip = &to->valuator0;

-    for (i = 0; i < 3; i++) {

-	swapl((ip + i), n);	/* macro - braces are required      */

-    }

-}

-

-static void

-SDeviceKeyStateNotifyEvent(deviceKeyStateNotify * from,

-			   deviceKeyStateNotify * to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber, n);

-}

-

-static void

-SDeviceButtonStateNotifyEvent(deviceButtonStateNotify * from,

-			      deviceButtonStateNotify * to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber, n);

-}

-

-static void

-SChangeDeviceNotifyEvent(changeDeviceNotify * from, changeDeviceNotify * to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->time, n);

-}

-

-static void

-SDeviceMappingNotifyEvent(deviceMappingNotify * from, deviceMappingNotify * to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->time, n);

-}

-

-static void

-SDevicePresenceNotifyEvent (devicePresenceNotify *from, devicePresenceNotify *to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber,n);

-    swapl(&to->time, n);

-    swaps(&to->control, n);

-}

-

-static void

-SDevicePropertyNotifyEvent (devicePropertyNotify *from, devicePropertyNotify *to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber,n);

-    swapl(&to->time, n);

-    swapl(&to->atom, n);

-}

-

-static void

-SDeviceLeaveNotifyEvent (xXILeaveEvent *from, xXILeaveEvent *to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber,n);

-    swapl(&to->length, n);

-    swaps(&to->evtype, n);

-    swaps(&to->deviceid, n);

-    swapl(&to->time, n);

-    swapl(&to->root, n);

-    swapl(&to->event, n);

-    swapl(&to->child, n);

-    swapl(&to->root_x, n);

-    swapl(&to->root_y, n);

-    swapl(&to->event_x, n);

-    swapl(&to->event_y, n);

-    swaps(&to->sourceid, n);

-    swaps(&to->buttons_len, n);

-    swapl(&to->mods.base_mods, n);

-    swapl(&to->mods.latched_mods, n);

-    swapl(&to->mods.locked_mods, n);

-}

-

-static void

-SDeviceChangedEvent(xXIDeviceChangedEvent* from, xXIDeviceChangedEvent* to)

-{

-    char n;

-    int i, j;

-    xXIAnyInfo *any;

-

-    *to = *from;

-    memcpy(&to[1], &from[1], from->length * 4);

-

-    any = (xXIAnyInfo*)&to[1];

-    for (i = 0; i < to->num_classes; i++)

-    {

-        int length = any->length;

-

-        switch(any->type)

-        {

-            case KeyClass:

-                {

-                    xXIKeyInfo *ki = (xXIKeyInfo*)any;

-                    uint32_t *key = (uint32_t*)&ki[1];

-                    for (j = 0; j < ki->num_keycodes; j++, key++)

-                        swapl(key, n);

-                    swaps(&ki->num_keycodes, n);

-                }

-                break;

-            case ButtonClass:

-                {

-                    xXIButtonInfo *bi = (xXIButtonInfo*)any;

-                    Atom *labels = (Atom*)((char*)bi + sizeof(xXIButtonInfo) +

-                                           pad_to_int32(bits_to_bytes(bi->num_buttons)));

-                    for (j = 0; j < bi->num_buttons; j++)

-                        swapl(&labels[j], n);

-                    swaps(&bi->num_buttons, n);

-                }

-                break;

-            case ValuatorClass:

-                {

-                    xXIValuatorInfo* ai = (xXIValuatorInfo*)any;

-                    swapl(&ai->label, n);

-                    swapl(&ai->min.integral, n);

-                    swapl(&ai->min.frac, n);

-                    swapl(&ai->max.integral, n);

-                    swapl(&ai->max.frac, n);

-                    swapl(&ai->resolution, n);

-                    swaps(&ai->number, n);

-                }

-                break;

-        }

-

-        swaps(&any->type, n);

-        swaps(&any->length, n);

-        swaps(&any->sourceid, n);

-

-        any = (xXIAnyInfo*)((char*)any + length * 4);

-    }

-

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->length, n);

-    swaps(&to->evtype, n);

-    swaps(&to->deviceid, n);

-    swapl(&to->time, n);

-    swaps(&to->num_classes, n);

-    swaps(&to->sourceid, n);

-

-}

-

-static void SDeviceEvent(xXIDeviceEvent *from, xXIDeviceEvent *to)

-{

-    int i;

-    char n;

-    char *ptr;

-    char *vmask;

-

-    memcpy(to, from, sizeof(xEvent) + from->length * 4);

-

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->length, n);

-    swaps(&to->evtype, n);

-    swaps(&to->deviceid, n);

-    swapl(&to->time, n);

-    swapl(&to->detail, n);

-    swapl(&to->root, n);

-    swapl(&to->event, n);

-    swapl(&to->child, n);

-    swapl(&to->root_x, n);

-    swapl(&to->root_y, n);

-    swapl(&to->event_x, n);

-    swapl(&to->event_y, n);

-    swaps(&to->buttons_len, n);

-    swaps(&to->valuators_len, n);

-    swaps(&to->sourceid, n);

-    swapl(&to->mods.base_mods, n);

-    swapl(&to->mods.latched_mods, n);

-    swapl(&to->mods.locked_mods, n);

-    swapl(&to->mods.effective_mods, n);

-

-    ptr = (char*)(&to[1]);

-    ptr += from->buttons_len * 4;

-    vmask = ptr; /* valuator mask */

-    ptr += from->valuators_len * 4;

-    for (i = 0; i < from->valuators_len * 32; i++)

-    {

-        if (BitIsOn(vmask, i))

-        {

-            swapl(((uint32_t*)ptr), n);

-            ptr += 4;

-            swapl(((uint32_t*)ptr), n);

-            ptr += 4;

-        }

-    }

-}

-

-static void SDeviceHierarchyEvent(xXIHierarchyEvent *from,

-                                  xXIHierarchyEvent *to)

-{

-    int i;

-    char n;

-    xXIHierarchyInfo *info;

-

-    *to = *from;

-    memcpy(&to[1], &from[1], from->length * 4);

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->length, n);

-    swaps(&to->evtype, n);

-    swaps(&to->deviceid, n);

-    swapl(&to->time, n);

-    swapl(&to->flags, n);

-    swaps(&to->num_info, n);

-

-    info = (xXIHierarchyInfo*)&to[1];

-    for (i = 0; i< from->num_info; i++)

-    {

-        swaps(&info->deviceid, n);

-        swaps(&info->attachment, n);

-        info++;

-    }

-}

-

-static void SXIPropertyEvent(xXIPropertyEvent *from, xXIPropertyEvent *to)

-{

-    char n;

-

-    *to = *from;

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->length, n);

-    swaps(&to->evtype, n);

-    swaps(&to->deviceid, n);

-    swapl(&to->property, n);

-}

-

-static void SRawEvent(xXIRawEvent *from, xXIRawEvent *to)

-{

-    char n;

-    int i;

-    FP3232 *values;

-    unsigned char *mask;

-

-    memcpy(to, from, sizeof(xEvent) + from->length * 4);

-

-    swaps(&to->sequenceNumber, n);

-    swapl(&to->length, n);

-    swaps(&to->evtype, n);

-    swaps(&to->deviceid, n);

-    swapl(&to->time, n);

-    swapl(&to->detail, n);

-

-

-    mask = (unsigned char*)&to[1];

-    values = (FP3232*)(mask + from->valuators_len * 4);

-

-    for (i = 0; i < from->valuators_len * 4 * 8; i++)

-    {

-        if (BitIsOn(mask, i))

-        {

-            /* for each bit set there are two FP3232 values on the wire, in

-             * the order abcABC for data and data_raw. Here we swap as if

-             * they were in aAbBcC order because it's easier and really

-             * doesn't matter.

-             */

-            swapl(&values->integral, n);

-            swapl(&values->frac, n);

-            values++;

-            swapl(&values->integral, n);

-            swapl(&values->frac, n);

-            values++;

-        }

-    }

-

-    swaps(&to->valuators_len, n);

-}

-

-

-/** Event swapping function for XI2 events. */

-void

-XI2EventSwap(xGenericEvent *from, xGenericEvent *to)

-{

-    switch(from->evtype)

-    {

-        case XI_Enter:

-        case XI_Leave:

-            SDeviceLeaveNotifyEvent((xXILeaveEvent*)from, (xXILeaveEvent*)to);

-            break;

-        case XI_DeviceChanged:

-            SDeviceChangedEvent((xXIDeviceChangedEvent*)from,

-                                (xXIDeviceChangedEvent*)to);

-            break;

-        case XI_HierarchyChanged:

-            SDeviceHierarchyEvent((xXIHierarchyEvent*)from, (xXIHierarchyEvent*)to);

-            break;

-        case XI_PropertyEvent:

-            SXIPropertyEvent((xXIPropertyEvent*)from,

-                           (xXIPropertyEvent*)to);

-            break;

-        case XI_Motion:

-        case XI_KeyPress:

-        case XI_KeyRelease:

-        case XI_ButtonPress:

-        case XI_ButtonRelease:

-            SDeviceEvent((xXIDeviceEvent*)from, (xXIDeviceEvent*)to);

-            break;

-        case XI_RawMotion:

-        case XI_RawKeyPress:

-        case XI_RawKeyRelease:

-        case XI_RawButtonPress:

-        case XI_RawButtonRelease:

-            SRawEvent((xXIRawEvent*)from, (xXIRawEvent*)to);

-            break;

-        default:

-            ErrorF("[Xi] Unknown event type to swap. This is a bug.\n");

-            break;

-    }

-}

-

-/**************************************************************************

- *

- * Allow the specified event to have its propagation suppressed.

- * The default is to not allow suppression of propagation.

- *

- */

-

-static void

-AllowPropagateSuppress(Mask mask)

-{

-    int i;

-

-    for (i = 0; i < MAXDEVICES; i++)

-	PropagateMask[i] |= mask;

-}

-

-/**************************************************************************

- *

- * Record an event mask where there is no unique corresponding event type.

- * We can't call SetMaskForEvent, since that would clobber the existing

- * mask for that event.  MotionHint and ButtonMotion are examples.

- *

- * Since extension event types will never be less than 64, we can use

- * 0-63 in the EventInfo array as the "type" to be used to look up this

- * mask.  This means that the corresponding macros such as

- * DevicePointerMotionHint must have access to the same constants.

- *

- */

-

-static void

-SetEventInfo(Mask mask, int constant)

-{

-    EventInfo[ExtEventIndex].mask = mask;

-    EventInfo[ExtEventIndex++].type = constant;

-}

-

-/**************************************************************************

- *

- * Allow the specified event to be restricted to being selected by one

- * client at a time.

- * The default is to allow more than one client to select the event.

- *

- */

-

-static void

-SetExclusiveAccess(Mask mask)

-{

-    int i;

-

-    for (i = 0; i < MAXDEVICES; i++)

-	ExtExclusiveMasks[i] |= mask;

-}

-

-/**************************************************************************

- *

- * Assign the specified mask to the specified event.

- *

- */

-

-static void

-SetMaskForExtEvent(Mask mask, int event)

-{

-    int i;

-

-    EventInfo[ExtEventIndex].mask = mask;

-    EventInfo[ExtEventIndex++].type = event;

-

-    if ((event < LASTEvent) || (event >= 128))

-	FatalError("MaskForExtensionEvent: bogus event number");

-

-    for (i = 0; i < MAXDEVICES; i++)

-        SetMaskForEvent(i, mask, event);

-}

-

-/************************************************************************

- *

- * This function sets up extension event types and masks.

- *

- */

-

-static void

-FixExtensionEvents(ExtensionEntry * extEntry)

-{

-    DeviceValuator = extEntry->eventBase;

-    DeviceKeyPress = DeviceValuator + 1;

-    DeviceKeyRelease = DeviceKeyPress + 1;

-    DeviceButtonPress = DeviceKeyRelease + 1;

-    DeviceButtonRelease = DeviceButtonPress + 1;

-    DeviceMotionNotify = DeviceButtonRelease + 1;

-    DeviceFocusIn = DeviceMotionNotify + 1;

-    DeviceFocusOut = DeviceFocusIn + 1;

-    ProximityIn = DeviceFocusOut + 1;

-    ProximityOut = ProximityIn + 1;

-    DeviceStateNotify = ProximityOut + 1;

-    DeviceMappingNotify = DeviceStateNotify + 1;

-    ChangeDeviceNotify = DeviceMappingNotify + 1;

-    DeviceKeyStateNotify = ChangeDeviceNotify + 1;

-    DeviceButtonStateNotify = DeviceKeyStateNotify + 1;

-    DevicePresenceNotify = DeviceButtonStateNotify + 1;

-    DevicePropertyNotify = DevicePresenceNotify + 1;

-

-    event_base[KeyClass] = DeviceKeyPress;

-    event_base[ButtonClass] = DeviceButtonPress;

-    event_base[ValuatorClass] = DeviceMotionNotify;

-    event_base[ProximityClass] = ProximityIn;

-    event_base[FocusClass] = DeviceFocusIn;

-    event_base[OtherClass] = DeviceStateNotify;

-

-    BadDevice += extEntry->errorBase;

-    BadEvent += extEntry->errorBase;

-    BadMode += extEntry->errorBase;

-    DeviceBusy += extEntry->errorBase;

-    BadClass += extEntry->errorBase;

-

-    SetMaskForExtEvent(DeviceKeyPressMask, DeviceKeyPress);

-    AllowPropagateSuppress(DeviceKeyPressMask);

-    SetCriticalEvent(DeviceKeyPress);

-

-    SetMaskForExtEvent(DeviceKeyReleaseMask, DeviceKeyRelease);

-    AllowPropagateSuppress(DeviceKeyReleaseMask);

-    SetCriticalEvent(DeviceKeyRelease);

-

-    SetMaskForExtEvent(DeviceButtonPressMask, DeviceButtonPress);

-    AllowPropagateSuppress(DeviceButtonPressMask);

-    SetCriticalEvent(DeviceButtonPress);

-

-    SetMaskForExtEvent(DeviceButtonReleaseMask, DeviceButtonRelease);

-    AllowPropagateSuppress(DeviceButtonReleaseMask);

-    SetCriticalEvent(DeviceButtonRelease);

-

-    SetMaskForExtEvent(DeviceProximityMask, ProximityIn);

-    SetMaskForExtEvent(DeviceProximityMask, ProximityOut);

-

-    SetMaskForExtEvent(DeviceStateNotifyMask, DeviceStateNotify);

-

-    SetMaskForExtEvent(DevicePointerMotionMask, DeviceMotionNotify);

-    AllowPropagateSuppress(DevicePointerMotionMask);

-    SetCriticalEvent(DeviceMotionNotify);

-

-    SetEventInfo(DevicePointerMotionHintMask, _devicePointerMotionHint);

-    SetEventInfo(DeviceButton1MotionMask, _deviceButton1Motion);

-    SetEventInfo(DeviceButton2MotionMask, _deviceButton2Motion);

-    SetEventInfo(DeviceButton3MotionMask, _deviceButton3Motion);

-    SetEventInfo(DeviceButton4MotionMask, _deviceButton4Motion);

-    SetEventInfo(DeviceButton5MotionMask, _deviceButton5Motion);

-    SetEventInfo(DeviceButtonMotionMask, _deviceButtonMotion);

-

-    SetMaskForExtEvent(DeviceFocusChangeMask, DeviceFocusIn);

-    SetMaskForExtEvent(DeviceFocusChangeMask, DeviceFocusOut);

-

-    SetMaskForExtEvent(DeviceMappingNotifyMask, DeviceMappingNotify);

-    SetMaskForExtEvent(ChangeDeviceNotifyMask, ChangeDeviceNotify);

-

-    SetEventInfo(DeviceButtonGrabMask, _deviceButtonGrab);

-    SetExclusiveAccess(DeviceButtonGrabMask);

-

-    SetEventInfo(DeviceOwnerGrabButtonMask, _deviceOwnerGrabButton);

-    SetEventInfo(DevicePresenceNotifyMask, _devicePresence);

-    SetMaskForExtEvent(DevicePropertyNotifyMask, DevicePropertyNotify);

-

-    SetEventInfo(0, _noExtensionEvent);

-}

-

-/************************************************************************

- *

- * This function restores extension event types and masks to their

- * initial state.

- *

- */

-

-static void

-RestoreExtensionEvents(void)

-{

-    int i, j;

-

-    IReqCode = 0;

-    IEventBase = 0;

-

-    for (i = 0; i < ExtEventIndex - 1; i++) {

-	if ((EventInfo[i].type >= LASTEvent) && (EventInfo[i].type < 128))

-        {

-            for (j = 0; j < MAXDEVICES; j++)

-                SetMaskForEvent(j, 0, EventInfo[i].type);

-        }

-	EventInfo[i].mask = 0;

-	EventInfo[i].type = 0;

-    }

-    ExtEventIndex = 0;

-    DeviceValuator = 0;

-    DeviceKeyPress = 1;

-    DeviceKeyRelease = 2;

-    DeviceButtonPress = 3;

-    DeviceButtonRelease = 4;

-    DeviceMotionNotify = 5;

-    DeviceFocusIn = 6;

-    DeviceFocusOut = 7;

-    ProximityIn = 8;

-    ProximityOut = 9;

-    DeviceStateNotify = 10;

-    DeviceMappingNotify = 11;

-    ChangeDeviceNotify = 12;

-    DeviceKeyStateNotify = 13;

-    DeviceButtonStateNotify = 13;

-    DevicePresenceNotify = 14;

-    DevicePropertyNotify = 15;

-

-    BadDevice = 0;

-    BadEvent = 1;

-    BadMode = 2;

-    DeviceBusy = 3;

-    BadClass = 4;

-

-}

-

-/***********************************************************************

- *

- * IResetProc.

- * Remove reply-swapping routine.

- * Remove event-swapping routine.

- *

- */

-

-static void

-IResetProc(ExtensionEntry * unused)

-{

-    ReplySwapVector[IReqCode] = ReplyNotSwappd;

-    EventSwapVector[DeviceValuator] = NotImplemented;

-    EventSwapVector[DeviceKeyPress] = NotImplemented;

-    EventSwapVector[DeviceKeyRelease] = NotImplemented;

-    EventSwapVector[DeviceButtonPress] = NotImplemented;

-    EventSwapVector[DeviceButtonRelease] = NotImplemented;

-    EventSwapVector[DeviceMotionNotify] = NotImplemented;

-    EventSwapVector[DeviceFocusIn] = NotImplemented;

-    EventSwapVector[DeviceFocusOut] = NotImplemented;

-    EventSwapVector[ProximityIn] = NotImplemented;

-    EventSwapVector[ProximityOut] = NotImplemented;

-    EventSwapVector[DeviceStateNotify] = NotImplemented;

-    EventSwapVector[DeviceKeyStateNotify] = NotImplemented;

-    EventSwapVector[DeviceButtonStateNotify] = NotImplemented;

-    EventSwapVector[DeviceMappingNotify] = NotImplemented;

-    EventSwapVector[ChangeDeviceNotify] = NotImplemented;

-    EventSwapVector[DevicePresenceNotify] = NotImplemented;

-    EventSwapVector[DevicePropertyNotify] = NotImplemented;

-    RestoreExtensionEvents();

-}

-

-

-/***********************************************************************

- *

- * Assign an id and type to an input device.

- *

- */

-

-void

-AssignTypeAndName(DeviceIntPtr dev, Atom type, char *name)

-{

-    dev->xinput_type = type;

-    dev->name = strdup(name);

-}

-

-/***********************************************************************

- *

- * Make device type atoms.

- *

- */

-

-static void

-MakeDeviceTypeAtoms(void)

-{

-    int i;

-

-    for (i = 0; i < NUMTYPES; i++)

-	dev_type[i].type =

-	    MakeAtom(dev_type[i].name, strlen(dev_type[i].name), 1);

-}

-

-/*****************************************************************************

- *

- *	SEventIDispatch

- *

- *	Swap any events defined in this extension.

- */

-#define DO_SWAP(func,type) func ((type *)from, (type *)to)

-

-static void

-SEventIDispatch(xEvent * from, xEvent * to)

-{

-    int type = from->u.u.type & 0177;

-

-    if (type == DeviceValuator)

-	DO_SWAP(SEventDeviceValuator, deviceValuator);

-    else if (type == DeviceKeyPress) {

-	SKeyButtonPtrEvent(from, to);

-	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;

-    } else if (type == DeviceKeyRelease) {

-	SKeyButtonPtrEvent(from, to);

-	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;

-    } else if (type == DeviceButtonPress) {

-	SKeyButtonPtrEvent(from, to);

-	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;

-    } else if (type == DeviceButtonRelease) {

-	SKeyButtonPtrEvent(from, to);

-	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;

-    } else if (type == DeviceMotionNotify) {

-	SKeyButtonPtrEvent(from, to);

-	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;

-    } else if (type == DeviceFocusIn)

-	DO_SWAP(SEventFocus, deviceFocus);

-    else if (type == DeviceFocusOut)

-	DO_SWAP(SEventFocus, deviceFocus);

-    else if (type == ProximityIn) {

-	SKeyButtonPtrEvent(from, to);

-	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;

-    } else if (type == ProximityOut) {

-	SKeyButtonPtrEvent(from, to);

-	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;

-    } else if (type == DeviceStateNotify)

-	DO_SWAP(SDeviceStateNotifyEvent, deviceStateNotify);

-    else if (type == DeviceKeyStateNotify)

-	DO_SWAP(SDeviceKeyStateNotifyEvent, deviceKeyStateNotify);

-    else if (type == DeviceButtonStateNotify)

-	DO_SWAP(SDeviceButtonStateNotifyEvent, deviceButtonStateNotify);

-    else if (type == DeviceMappingNotify)

-	DO_SWAP(SDeviceMappingNotifyEvent, deviceMappingNotify);

-    else if (type == ChangeDeviceNotify)

-	DO_SWAP(SChangeDeviceNotifyEvent, changeDeviceNotify);

-    else if (type == DevicePresenceNotify)

-	DO_SWAP(SDevicePresenceNotifyEvent, devicePresenceNotify);

-    else if (type == DevicePropertyNotify)

-	DO_SWAP(SDevicePropertyNotifyEvent, devicePropertyNotify);

-    else {

-	FatalError("XInputExtension: Impossible event!\n");

-    }

-}

-

-/**********************************************************************

- *

- * IExtensionInit - initialize the input extension.

- *

- * Called from InitExtensions in main() or from QueryExtension() if the

- * extension is dynamically loaded.

- *

- * This extension has several events and errors.

- *

- * XI is mandatory nowadays, so if we fail to init XI, we die.

- */

-

-void

-XInputExtensionInit(void)

-{

-    ExtensionEntry *extEntry;

-    XExtensionVersion thisversion = { XI_Present,

-        SERVER_XI_MAJOR_VERSION,

-        SERVER_XI_MINOR_VERSION,

-    };

-

-    if (!dixRegisterPrivateKey(&XIClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(XIClientRec)))

-        FatalError("Cannot request private for XI.\n");

-

-    if (!AddCallback(&ClientStateCallback, XIClientCallback, 0))

-        FatalError("Failed to add callback to XI.\n");

-

-    extEntry = AddExtension(INAME, IEVENTS, IERRORS, ProcIDispatch,

-			    SProcIDispatch, IResetProc, StandardMinorOpcode);

-    if (extEntry) {

-	IReqCode = extEntry->base;

-	IEventBase = extEntry->eventBase;

-	XIVersion = thisversion;

-	MakeDeviceTypeAtoms();

-	RT_INPUTCLIENT = CreateNewResourceType((DeleteType) InputClientGone,

-					       "INPUTCLIENT");

-	if (!RT_INPUTCLIENT)

-	    FatalError("Failed to add resource type for XI.\n");

-	FixExtensionEvents(extEntry);

-	ReplySwapVector[IReqCode] = (ReplySwapPtr) SReplyIDispatch;

-	EventSwapVector[DeviceValuator] = SEventIDispatch;

-	EventSwapVector[DeviceKeyPress] = SEventIDispatch;

-	EventSwapVector[DeviceKeyRelease] = SEventIDispatch;

-	EventSwapVector[DeviceButtonPress] = SEventIDispatch;

-	EventSwapVector[DeviceButtonRelease] = SEventIDispatch;

-	EventSwapVector[DeviceMotionNotify] = SEventIDispatch;

-	EventSwapVector[DeviceFocusIn] = SEventIDispatch;

-	EventSwapVector[DeviceFocusOut] = SEventIDispatch;

-	EventSwapVector[ProximityIn] = SEventIDispatch;

-	EventSwapVector[ProximityOut] = SEventIDispatch;

-	EventSwapVector[DeviceStateNotify] = SEventIDispatch;

-	EventSwapVector[DeviceKeyStateNotify] = SEventIDispatch;

-	EventSwapVector[DeviceButtonStateNotify] = SEventIDispatch;

-	EventSwapVector[DeviceMappingNotify] = SEventIDispatch;

-	EventSwapVector[ChangeDeviceNotify] = SEventIDispatch;

-	EventSwapVector[DevicePresenceNotify] = SEventIDispatch;

-

-	GERegisterExtension(IReqCode, XI2EventSwap);

-

-

-	memset(&xi_all_devices, 0, sizeof(xi_all_devices));

-	memset(&xi_all_master_devices, 0, sizeof(xi_all_master_devices));

-	xi_all_devices.id = XIAllDevices;

-	xi_all_devices.name = "XIAllDevices";

-	xi_all_master_devices.id = XIAllMasterDevices;

-	xi_all_master_devices.name = "XIAllMasterDevices";

-

-	inputInfo.all_devices = &xi_all_devices;

-	inputInfo.all_master_devices = &xi_all_master_devices;

-

-	XIResetProperties();

-    } else {

-	FatalError("IExtensionInit: AddExtensions failed\n");

-    }

-}

-

+/************************************************************
+
+Copyright 1989, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
+
+			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 name of Hewlett-Packard 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.
+
+********************************************************/
+
+/********************************************************************
+ *
+ *  Dispatch routines and initialization routines for the X input extension.
+ *
+ */
+
+#define	 NUMTYPES 15
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "inputstr.h"
+#include "gcstruct.h"	/* pointer for extnsionst.h */
+#include "extnsionst.h"	/* extension entry   */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include <X11/extensions/XI2proto.h>
+#include <X11/extensions/geproto.h>
+#include "geext.h" /* extension interfaces for ge */
+
+#include "dixevents.h"
+#include "exevents.h"
+#include "extinit.h"
+#include "exglobals.h"
+#include "swaprep.h"
+#include "privates.h"
+#include "protocol-versions.h"
+
+/* modules local to Xi */
+#include "allowev.h"
+#include "chgdctl.h"
+#include "chgfctl.h"
+#include "chgkbd.h"
+#include "chgprop.h"
+#include "chgptr.h"
+#include "closedev.h"
+#include "devbell.h"
+#include "getbmap.h"
+#include "getbmap.h"
+#include "getdctl.h"
+#include "getfctl.h"
+#include "getfocus.h"
+#include "getkmap.h"
+#include "getmmap.h"
+#include "getprop.h"
+#include "getselev.h"
+#include "getvers.h"
+#include "getvers.h"
+#include "grabdev.h"
+#include "grabdevb.h"
+#include "grabdevk.h"
+#include "gtmotion.h"
+#include "listdev.h"
+#include "opendev.h"
+#include "queryst.h"
+#include "selectev.h"
+#include "sendexev.h"
+#include "chgkmap.h"
+#include "setbmap.h"
+#include "setdval.h"
+#include "setfocus.h"
+#include "setmmap.h"
+#include "setmode.h"
+#include "ungrdev.h"
+#include "ungrdevb.h"
+#include "ungrdevk.h"
+#include "xiallowev.h"
+#include "xiselectev.h"
+#include "xigrabdev.h"
+#include "xipassivegrab.h"
+#include "xisetdevfocus.h"
+#include "xiproperty.h"
+#include "xichangecursor.h"
+#include "xichangehierarchy.h"
+#include "xigetclientpointer.h"
+#include "xiquerydevice.h"
+#include "xiquerypointer.h"
+#include "xiqueryversion.h"
+#include "xisetclientpointer.h"
+#include "xiwarppointer.h"
+
+
+/* Masks for XI events have to be aligned with core event (partially anyway).
+ * If DeviceButtonMotionMask is != ButtonMotionMask, event delivery
+ * breaks down. The device needs the dev->button->motionMask. If DBMM is
+ * the same as BMM, we can ensure that both core and device events can be
+ * delivered, without the need for extra structures in the DeviceIntRec. */
+const Mask DeviceKeyPressMask             = KeyPressMask;
+const Mask DeviceKeyReleaseMask           = KeyReleaseMask;
+const Mask DeviceButtonPressMask          = ButtonPressMask;
+const Mask DeviceButtonReleaseMask        = ButtonReleaseMask;
+const Mask DeviceProximityMask            = (1L << 4);
+const Mask DeviceStateNotifyMask          = (1L << 5);
+const Mask DevicePointerMotionMask        = PointerMotionMask;
+const Mask DevicePointerMotionHintMask    = PointerMotionHintMask;
+const Mask DeviceButton1MotionMask        = Button1MotionMask;
+const Mask DeviceButton2MotionMask        = Button2MotionMask;
+const Mask DeviceButton3MotionMask        = Button3MotionMask;
+const Mask DeviceButton4MotionMask        = Button4MotionMask;
+const Mask DeviceButton5MotionMask        = Button5MotionMask;
+const Mask DeviceButtonMotionMask         = ButtonMotionMask;
+const Mask DeviceFocusChangeMask          = (1L << 14);
+const Mask DeviceMappingNotifyMask        = (1L << 15);
+const Mask ChangeDeviceNotifyMask         = (1L << 16);
+const Mask DeviceButtonGrabMask           = (1L << 17);
+const Mask DeviceOwnerGrabButtonMask      = (1L << 17);
+const Mask DevicePresenceNotifyMask       = (1L << 18);
+const Mask DeviceEnterWindowMask          = (1L << 18);
+const Mask DeviceLeaveWindowMask          = (1L << 19);
+const Mask DevicePropertyNotifyMask       = (1L << 20);
+const Mask XIAllMasks                     = (1L << 21) - 1;
+
+int ExtEventIndex;
+Mask ExtExclusiveMasks[EMASKSIZE];
+
+static struct dev_type
+{
+    Atom type;
+    char *name;
+} dev_type[] = {
+    {
+    0, XI_KEYBOARD}, {
+    0, XI_MOUSE}, {
+    0, XI_TABLET}, {
+    0, XI_TOUCHSCREEN}, {
+    0, XI_TOUCHPAD}, {
+    0, XI_BARCODE}, {
+    0, XI_BUTTONBOX}, {
+    0, XI_KNOB_BOX}, {
+    0, XI_ONE_KNOB}, {
+    0, XI_NINE_KNOB}, {
+    0, XI_TRACKBALL}, {
+    0, XI_QUADRATURE}, {
+    0, XI_ID_MODULE}, {
+    0, XI_SPACEBALL}, {
+    0, XI_DATAGLOVE}, {
+    0, XI_EYETRACKER}, {
+    0, XI_CURSORKEYS}, {
+0, XI_FOOTMOUSE}};
+
+CARD8 event_base[numInputClasses];
+XExtEventInfo EventInfo[32];
+
+static DeviceIntRec xi_all_devices;
+static DeviceIntRec xi_all_master_devices;
+
+/**
+ * Dispatch vector. Functions defined in here will be called when the matching
+ * request arrives.
+ */
+static int (*ProcIVector[])(ClientPtr) = {
+        NULL,                                   /*  0 */
+	ProcXGetExtensionVersion,               /*  1 */
+	ProcXListInputDevices,                  /*  2 */
+	ProcXOpenDevice,                        /*  3 */
+	ProcXCloseDevice,                       /*  4 */
+	ProcXSetDeviceMode,                     /*  5 */
+	ProcXSelectExtensionEvent,              /*  6 */
+	ProcXGetSelectedExtensionEvents,        /*  7 */
+	ProcXChangeDeviceDontPropagateList,     /*  8 */
+	ProcXGetDeviceDontPropagateList,        /*  9 */
+	ProcXGetDeviceMotionEvents,             /* 10 */
+	ProcXChangeKeyboardDevice,              /* 11 */
+	ProcXChangePointerDevice,               /* 12 */
+	ProcXGrabDevice,                        /* 13 */
+	ProcXUngrabDevice,                      /* 14 */
+	ProcXGrabDeviceKey,                     /* 15 */
+	ProcXUngrabDeviceKey,                   /* 16 */
+	ProcXGrabDeviceButton,                  /* 17 */
+	ProcXUngrabDeviceButton,                /* 18 */
+	ProcXAllowDeviceEvents,                 /* 19 */
+	ProcXGetDeviceFocus,                    /* 20 */
+	ProcXSetDeviceFocus,                    /* 21 */
+	ProcXGetFeedbackControl,                /* 22 */
+	ProcXChangeFeedbackControl,             /* 23 */
+	ProcXGetDeviceKeyMapping,               /* 24 */
+	ProcXChangeDeviceKeyMapping,            /* 25 */
+	ProcXGetDeviceModifierMapping,          /* 26 */
+	ProcXSetDeviceModifierMapping,          /* 27 */
+	ProcXGetDeviceButtonMapping,            /* 28 */
+	ProcXSetDeviceButtonMapping,            /* 29 */
+	ProcXQueryDeviceState,                  /* 30 */
+	ProcXSendExtensionEvent,                /* 31 */
+	ProcXDeviceBell,                        /* 32 */
+	ProcXSetDeviceValuators,                /* 33 */
+	ProcXGetDeviceControl,                  /* 34 */
+	ProcXChangeDeviceControl,               /* 35 */
+        /* XI 1.5 */
+        ProcXListDeviceProperties,              /* 36 */
+        ProcXChangeDeviceProperty,              /* 37 */
+        ProcXDeleteDeviceProperty,              /* 38 */
+        ProcXGetDeviceProperty,                 /* 39 */
+        /* XI 2 */
+        ProcXIQueryPointer,                     /* 40 */
+        ProcXIWarpPointer,                      /* 41 */
+        ProcXIChangeCursor,                     /* 42 */
+        ProcXIChangeHierarchy,                  /* 43 */
+        ProcXISetClientPointer,                 /* 44 */
+        ProcXIGetClientPointer,                 /* 45 */
+        ProcXISelectEvents,                     /* 46 */
+        ProcXIQueryVersion,                     /* 47 */
+        ProcXIQueryDevice,                      /* 48 */
+        ProcXISetFocus,                         /* 49 */
+        ProcXIGetFocus,                         /* 50 */
+        ProcXIGrabDevice,                       /* 51 */
+        ProcXIUngrabDevice,                     /* 52 */
+        ProcXIAllowEvents,                      /* 53 */
+        ProcXIPassiveGrabDevice,                /* 54 */
+        ProcXIPassiveUngrabDevice,              /* 55 */
+        ProcXIListProperties,                   /* 56 */
+        ProcXIChangeProperty,                   /* 57 */
+        ProcXIDeleteProperty,                   /* 58 */
+        ProcXIGetProperty,                      /* 59 */
+        ProcXIGetSelectedEvents                 /* 60 */
+};
+
+/* For swapped clients */
+static int (*SProcIVector[])(ClientPtr) = {
+        NULL,                                    /*  0 */
+	SProcXGetExtensionVersion,               /*  1 */
+	SProcXListInputDevices,                  /*  2 */
+	SProcXOpenDevice,                        /*  3 */
+	SProcXCloseDevice,                       /*  4 */
+	SProcXSetDeviceMode,                     /*  5 */
+	SProcXSelectExtensionEvent,              /*  6 */
+	SProcXGetSelectedExtensionEvents,        /*  7 */
+	SProcXChangeDeviceDontPropagateList,     /*  8 */
+	SProcXGetDeviceDontPropagateList,        /*  9 */
+	SProcXGetDeviceMotionEvents,             /* 10 */
+	SProcXChangeKeyboardDevice,              /* 11 */
+	SProcXChangePointerDevice,               /* 12 */
+	SProcXGrabDevice,                        /* 13 */
+	SProcXUngrabDevice,                      /* 14 */
+	SProcXGrabDeviceKey,                     /* 15 */
+	SProcXUngrabDeviceKey,                   /* 16 */
+	SProcXGrabDeviceButton,                  /* 17 */
+	SProcXUngrabDeviceButton,                /* 18 */
+	SProcXAllowDeviceEvents,                 /* 19 */
+	SProcXGetDeviceFocus,                    /* 20 */
+	SProcXSetDeviceFocus,                    /* 21 */
+	SProcXGetFeedbackControl,                /* 22 */
+	SProcXChangeFeedbackControl,             /* 23 */
+	SProcXGetDeviceKeyMapping,               /* 24 */
+	SProcXChangeDeviceKeyMapping,            /* 25 */
+	SProcXGetDeviceModifierMapping,          /* 26 */
+	SProcXSetDeviceModifierMapping,          /* 27 */
+	SProcXGetDeviceButtonMapping,            /* 28 */
+	SProcXSetDeviceButtonMapping,            /* 29 */
+	SProcXQueryDeviceState,                  /* 30 */
+	SProcXSendExtensionEvent,                /* 31 */
+	SProcXDeviceBell,                        /* 32 */
+	SProcXSetDeviceValuators,                /* 33 */
+	SProcXGetDeviceControl,                  /* 34 */
+	SProcXChangeDeviceControl,               /* 35 */
+        SProcXListDeviceProperties,              /* 36 */
+        SProcXChangeDeviceProperty,              /* 37 */
+        SProcXDeleteDeviceProperty,              /* 38 */
+        SProcXGetDeviceProperty,                 /* 39 */
+        SProcXIQueryPointer,                     /* 40 */
+        SProcXIWarpPointer,                      /* 41 */
+        SProcXIChangeCursor,                     /* 42 */
+        SProcXIChangeHierarchy,                  /* 43 */
+        SProcXISetClientPointer,                 /* 44 */
+        SProcXIGetClientPointer,                 /* 45 */
+        SProcXISelectEvents,                     /* 46 */
+        SProcXIQueryVersion,                     /* 47 */
+        SProcXIQueryDevice,                      /* 48 */
+        SProcXISetFocus,                         /* 49 */
+        SProcXIGetFocus,                         /* 50 */
+        SProcXIGrabDevice,                       /* 51 */
+        SProcXIUngrabDevice,                     /* 52 */
+        SProcXIAllowEvents,                      /* 53 */
+        SProcXIPassiveGrabDevice,                /* 54 */
+        SProcXIPassiveUngrabDevice,              /* 55 */
+        SProcXIListProperties,                   /* 56 */
+        SProcXIChangeProperty,                   /* 57 */
+        SProcXIDeleteProperty,                   /* 58 */
+        SProcXIGetProperty,                      /* 59 */
+        SProcXIGetSelectedEvents                 /* 60 */
+};
+
+/*****************************************************************
+ *
+ * Globals referenced elsewhere in the server.
+ *
+ */
+
+int IReqCode = 0;
+int IEventBase = 0;
+int BadDevice = 0;
+static int BadEvent = 1;
+int BadMode = 2;
+int DeviceBusy = 3;
+int BadClass = 4;
+
+int DeviceValuator;
+int DeviceKeyPress;
+int DeviceKeyRelease;
+int DeviceButtonPress;
+int DeviceButtonRelease;
+int DeviceMotionNotify;
+int DeviceFocusIn;
+int DeviceFocusOut;
+int ProximityIn;
+int ProximityOut;
+int DeviceStateNotify;
+int DeviceKeyStateNotify;
+int DeviceButtonStateNotify;
+int DeviceMappingNotify;
+int ChangeDeviceNotify;
+int DevicePresenceNotify;
+int DevicePropertyNotify;
+
+int RT_INPUTCLIENT;
+
+/*****************************************************************
+ *
+ * Externs defined elsewhere in the X server.
+ *
+ */
+
+extern XExtensionVersion XIVersion;
+
+
+Mask PropagateMask[MAXDEVICES];
+
+/*****************************************************************
+ *
+ * Versioning support
+ *
+ */
+
+DevPrivateKeyRec XIClientPrivateKeyRec;
+
+/*****************************************************************
+ *
+ * Declarations of local routines.
+ *
+ */
+
+static void
+XIClientCallback(CallbackListPtr        *list,
+                 pointer                closure,
+                 pointer                data)
+{
+    NewClientInfoRec *clientinfo = (NewClientInfoRec*)data;
+    ClientPtr pClient = clientinfo->client;
+    XIClientPtr pXIClient;
+
+    pXIClient = dixLookupPrivate(&pClient->devPrivates, XIClientPrivateKey);
+    pXIClient->major_version = 0;
+    pXIClient->minor_version = 0;
+}
+
+/*************************************************************************
+ *
+ * ProcIDispatch - main dispatch routine for requests to this extension.
+ * This routine is used if server and client have the same byte ordering.
+ *
+ */
+
+static int
+ProcIDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data > (IREQUESTS + XI2REQUESTS) || !ProcIVector[stuff->data])
+        return BadRequest;
+
+    return (*ProcIVector[stuff->data])(client);
+}
+
+/*******************************************************************************
+ *
+ * SProcXDispatch
+ *
+ * Main swapped dispatch routine for requests to this extension.
+ * This routine is used if server and client do not have the same byte ordering.
+ *
+ */
+
+static int
+SProcIDispatch(ClientPtr client)
+{
+    REQUEST(xReq);
+    if (stuff->data > IREQUESTS || !SProcIVector[stuff->data])
+        return BadRequest;
+
+    return (*SProcIVector[stuff->data])(client);
+}
+
+/**********************************************************************
+ *
+ * SReplyIDispatch
+ * Swap any replies defined in this extension.
+ *
+ */
+
+static void
+SReplyIDispatch(ClientPtr client, int len, xGrabDeviceReply * rep)
+					/* All we look at is the type field */
+{	/* This is common to all replies    */
+    if (rep->RepType == X_GetExtensionVersion)
+	SRepXGetExtensionVersion(client, len,
+				 (xGetExtensionVersionReply *) rep);
+    else if (rep->RepType == X_ListInputDevices)
+	SRepXListInputDevices(client, len, (xListInputDevicesReply *) rep);
+    else if (rep->RepType == X_OpenDevice)
+	SRepXOpenDevice(client, len, (xOpenDeviceReply *) rep);
+    else if (rep->RepType == X_SetDeviceMode)
+	SRepXSetDeviceMode(client, len, (xSetDeviceModeReply *) rep);
+    else if (rep->RepType == X_GetSelectedExtensionEvents)
+	SRepXGetSelectedExtensionEvents(client, len,
+					(xGetSelectedExtensionEventsReply *)
+					rep);
+    else if (rep->RepType == X_GetDeviceDontPropagateList)
+	SRepXGetDeviceDontPropagateList(client, len,
+					(xGetDeviceDontPropagateListReply *)
+					rep);
+    else if (rep->RepType == X_GetDeviceMotionEvents)
+	SRepXGetDeviceMotionEvents(client, len,
+				   (xGetDeviceMotionEventsReply *) rep);
+    else if (rep->RepType == X_GrabDevice)
+	SRepXGrabDevice(client, len, (xGrabDeviceReply *) rep);
+    else if (rep->RepType == X_GetDeviceFocus)
+	SRepXGetDeviceFocus(client, len, (xGetDeviceFocusReply *) rep);
+    else if (rep->RepType == X_GetFeedbackControl)
+	SRepXGetFeedbackControl(client, len, (xGetFeedbackControlReply *) rep);
+    else if (rep->RepType == X_GetDeviceKeyMapping)
+	SRepXGetDeviceKeyMapping(client, len,
+				 (xGetDeviceKeyMappingReply *) rep);
+    else if (rep->RepType == X_GetDeviceModifierMapping)
+	SRepXGetDeviceModifierMapping(client, len,
+				      (xGetDeviceModifierMappingReply *) rep);
+    else if (rep->RepType == X_SetDeviceModifierMapping)
+	SRepXSetDeviceModifierMapping(client, len,
+				      (xSetDeviceModifierMappingReply *) rep);
+    else if (rep->RepType == X_GetDeviceButtonMapping)
+	SRepXGetDeviceButtonMapping(client, len,
+				    (xGetDeviceButtonMappingReply *) rep);
+    else if (rep->RepType == X_SetDeviceButtonMapping)
+	SRepXSetDeviceButtonMapping(client, len,
+				    (xSetDeviceButtonMappingReply *) rep);
+    else if (rep->RepType == X_QueryDeviceState)
+	SRepXQueryDeviceState(client, len, (xQueryDeviceStateReply *) rep);
+    else if (rep->RepType == X_SetDeviceValuators)
+	SRepXSetDeviceValuators(client, len, (xSetDeviceValuatorsReply *) rep);
+    else if (rep->RepType == X_GetDeviceControl)
+	SRepXGetDeviceControl(client, len, (xGetDeviceControlReply *) rep);
+    else if (rep->RepType == X_ChangeDeviceControl)
+	SRepXChangeDeviceControl(client, len,
+				 (xChangeDeviceControlReply *) rep);
+    else if (rep->RepType == X_ListDeviceProperties)
+        SRepXListDeviceProperties(client, len, (xListDevicePropertiesReply*)rep);
+    else if (rep->RepType == X_GetDeviceProperty)
+	SRepXGetDeviceProperty(client, len, (xGetDevicePropertyReply *) rep);
+    else if (rep->RepType == X_XIQueryPointer)
+	SRepXIQueryPointer(client, len, (xXIQueryPointerReply *) rep);
+    else if (rep->RepType == X_XIGetClientPointer)
+        SRepXIGetClientPointer(client, len, (xXIGetClientPointerReply*) rep);
+    else if (rep->RepType == X_XIQueryVersion)
+        SRepXIQueryVersion(client, len, (xXIQueryVersionReply*)rep);
+    else if (rep->RepType == X_XIQueryDevice)
+        SRepXIQueryDevice(client, len, (xXIQueryDeviceReply*)rep);
+    else if (rep->RepType == X_XIGrabDevice)
+	SRepXIGrabDevice(client, len, (xXIGrabDeviceReply *) rep);
+    else if (rep->RepType == X_XIGrabDevice)
+	SRepXIPassiveGrabDevice(client, len, (xXIPassiveGrabDeviceReply *) rep);
+    else if (rep->RepType == X_XIListProperties)
+	SRepXIListProperties(client, len, (xXIListPropertiesReply *) rep);
+    else if (rep->RepType == X_XIGetProperty)
+	SRepXIGetProperty(client, len, (xXIGetPropertyReply *) rep);
+    else if (rep->RepType == X_XIGetSelectedEvents)
+	SRepXIGetSelectedEvents(client, len, (xXIGetSelectedEventsReply *) rep);
+    else if (rep->RepType == X_XIGetFocus)
+	SRepXIGetFocus(client, len, (xXIGetFocusReply *) rep);
+    else {
+	FatalError("XINPUT confused sending swapped reply");
+    }
+}
+
+/************************************************************************
+ *
+ * This function swaps the DeviceValuator event.
+ *
+ */
+
+static void
+SEventDeviceValuator(deviceValuator * from, deviceValuator * to)
+{
+    char n;
+    int i;
+    INT32 *ip B32;
+
+    *to = *from;
+    swaps(&to->sequenceNumber, n);
+    swaps(&to->device_state, n);
+    ip = &to->valuator0;
+    for (i = 0; i < 6; i++) {
+	swapl((ip + i), n);	/* macro - braces are required      */
+    }
+}
+
+static void
+SEventFocus(deviceFocus * from, deviceFocus * to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->time, n);
+    swapl(&to->window, n);
+}
+
+static void
+SDeviceStateNotifyEvent(deviceStateNotify * from, deviceStateNotify * to)
+{
+    int i;
+    char n;
+    INT32 *ip B32;
+
+    *to = *from;
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->time, n);
+    ip = &to->valuator0;
+    for (i = 0; i < 3; i++) {
+	swapl((ip + i), n);	/* macro - braces are required      */
+    }
+}
+
+static void
+SDeviceKeyStateNotifyEvent(deviceKeyStateNotify * from,
+			   deviceKeyStateNotify * to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber, n);
+}
+
+static void
+SDeviceButtonStateNotifyEvent(deviceButtonStateNotify * from,
+			      deviceButtonStateNotify * to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber, n);
+}
+
+static void
+SChangeDeviceNotifyEvent(changeDeviceNotify * from, changeDeviceNotify * to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->time, n);
+}
+
+static void
+SDeviceMappingNotifyEvent(deviceMappingNotify * from, deviceMappingNotify * to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->time, n);
+}
+
+static void
+SDevicePresenceNotifyEvent (devicePresenceNotify *from, devicePresenceNotify *to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber,n);
+    swapl(&to->time, n);
+    swaps(&to->control, n);
+}
+
+static void
+SDevicePropertyNotifyEvent (devicePropertyNotify *from, devicePropertyNotify *to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber,n);
+    swapl(&to->time, n);
+    swapl(&to->atom, n);
+}
+
+static void
+SDeviceLeaveNotifyEvent (xXILeaveEvent *from, xXILeaveEvent *to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber,n);
+    swapl(&to->length, n);
+    swaps(&to->evtype, n);
+    swaps(&to->deviceid, n);
+    swapl(&to->time, n);
+    swapl(&to->root, n);
+    swapl(&to->event, n);
+    swapl(&to->child, n);
+    swapl(&to->root_x, n);
+    swapl(&to->root_y, n);
+    swapl(&to->event_x, n);
+    swapl(&to->event_y, n);
+    swaps(&to->sourceid, n);
+    swaps(&to->buttons_len, n);
+    swapl(&to->mods.base_mods, n);
+    swapl(&to->mods.latched_mods, n);
+    swapl(&to->mods.locked_mods, n);
+}
+
+static void
+SDeviceChangedEvent(xXIDeviceChangedEvent* from, xXIDeviceChangedEvent* to)
+{
+    char n;
+    int i, j;
+    xXIAnyInfo *any;
+
+    *to = *from;
+    memcpy(&to[1], &from[1], from->length * 4);
+
+    any = (xXIAnyInfo*)&to[1];
+    for (i = 0; i < to->num_classes; i++)
+    {
+        int length = any->length;
+
+        switch(any->type)
+        {
+            case KeyClass:
+                {
+                    xXIKeyInfo *ki = (xXIKeyInfo*)any;
+                    uint32_t *key = (uint32_t*)&ki[1];
+                    for (j = 0; j < ki->num_keycodes; j++, key++)
+                        swapl(key, n);
+                    swaps(&ki->num_keycodes, n);
+                }
+                break;
+            case ButtonClass:
+                {
+                    xXIButtonInfo *bi = (xXIButtonInfo*)any;
+                    Atom *labels = (Atom*)((char*)bi + sizeof(xXIButtonInfo) +
+                                           pad_to_int32(bits_to_bytes(bi->num_buttons)));
+                    for (j = 0; j < bi->num_buttons; j++)
+                        swapl(&labels[j], n);
+                    swaps(&bi->num_buttons, n);
+                }
+                break;
+            case ValuatorClass:
+                {
+                    xXIValuatorInfo* ai = (xXIValuatorInfo*)any;
+                    swapl(&ai->label, n);
+                    swapl(&ai->min.integral, n);
+                    swapl(&ai->min.frac, n);
+                    swapl(&ai->max.integral, n);
+                    swapl(&ai->max.frac, n);
+                    swapl(&ai->resolution, n);
+                    swaps(&ai->number, n);
+                }
+                break;
+        }
+
+        swaps(&any->type, n);
+        swaps(&any->length, n);
+        swaps(&any->sourceid, n);
+
+        any = (xXIAnyInfo*)((char*)any + length * 4);
+    }
+
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->length, n);
+    swaps(&to->evtype, n);
+    swaps(&to->deviceid, n);
+    swapl(&to->time, n);
+    swaps(&to->num_classes, n);
+    swaps(&to->sourceid, n);
+
+}
+
+static void SDeviceEvent(xXIDeviceEvent *from, xXIDeviceEvent *to)
+{
+    int i;
+    char n;
+    char *ptr;
+    char *vmask;
+
+    memcpy(to, from, sizeof(xEvent) + from->length * 4);
+
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->length, n);
+    swaps(&to->evtype, n);
+    swaps(&to->deviceid, n);
+    swapl(&to->time, n);
+    swapl(&to->detail, n);
+    swapl(&to->root, n);
+    swapl(&to->event, n);
+    swapl(&to->child, n);
+    swapl(&to->root_x, n);
+    swapl(&to->root_y, n);
+    swapl(&to->event_x, n);
+    swapl(&to->event_y, n);
+    swaps(&to->buttons_len, n);
+    swaps(&to->valuators_len, n);
+    swaps(&to->sourceid, n);
+    swapl(&to->mods.base_mods, n);
+    swapl(&to->mods.latched_mods, n);
+    swapl(&to->mods.locked_mods, n);
+    swapl(&to->mods.effective_mods, n);
+    swapl(&to->flags, n);
+
+    ptr = (char*)(&to[1]);
+    ptr += from->buttons_len * 4;
+    vmask = ptr; /* valuator mask */
+    ptr += from->valuators_len * 4;
+    for (i = 0; i < from->valuators_len * 32; i++)
+    {
+        if (BitIsOn(vmask, i))
+        {
+            swapl(((uint32_t*)ptr), n);
+            ptr += 4;
+            swapl(((uint32_t*)ptr), n);
+            ptr += 4;
+        }
+    }
+}
+
+static void SDeviceHierarchyEvent(xXIHierarchyEvent *from,
+                                  xXIHierarchyEvent *to)
+{
+    int i;
+    char n;
+    xXIHierarchyInfo *info;
+
+    *to = *from;
+    memcpy(&to[1], &from[1], from->length * 4);
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->length, n);
+    swaps(&to->evtype, n);
+    swaps(&to->deviceid, n);
+    swapl(&to->time, n);
+    swapl(&to->flags, n);
+    swaps(&to->num_info, n);
+
+    info = (xXIHierarchyInfo*)&to[1];
+    for (i = 0; i< from->num_info; i++)
+    {
+        swaps(&info->deviceid, n);
+        swaps(&info->attachment, n);
+        info++;
+    }
+}
+
+static void SXIPropertyEvent(xXIPropertyEvent *from, xXIPropertyEvent *to)
+{
+    char n;
+
+    *to = *from;
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->length, n);
+    swaps(&to->evtype, n);
+    swaps(&to->deviceid, n);
+    swapl(&to->property, n);
+}
+
+static void SRawEvent(xXIRawEvent *from, xXIRawEvent *to)
+{
+    char n;
+    int i;
+    FP3232 *values;
+    unsigned char *mask;
+
+    memcpy(to, from, sizeof(xEvent) + from->length * 4);
+
+    swaps(&to->sequenceNumber, n);
+    swapl(&to->length, n);
+    swaps(&to->evtype, n);
+    swaps(&to->deviceid, n);
+    swapl(&to->time, n);
+    swapl(&to->detail, n);
+
+
+    mask = (unsigned char*)&to[1];
+    values = (FP3232*)(mask + from->valuators_len * 4);
+
+    for (i = 0; i < from->valuators_len * 4 * 8; i++)
+    {
+        if (BitIsOn(mask, i))
+        {
+            /* for each bit set there are two FP3232 values on the wire, in
+             * the order abcABC for data and data_raw. Here we swap as if
+             * they were in aAbBcC order because it's easier and really
+             * doesn't matter.
+             */
+            swapl(&values->integral, n);
+            swapl(&values->frac, n);
+            values++;
+            swapl(&values->integral, n);
+            swapl(&values->frac, n);
+            values++;
+        }
+    }
+
+    swaps(&to->valuators_len, n);
+}
+
+
+/** Event swapping function for XI2 events. */
+void
+XI2EventSwap(xGenericEvent *from, xGenericEvent *to)
+{
+    switch(from->evtype)
+    {
+        case XI_Enter:
+        case XI_Leave:
+            SDeviceLeaveNotifyEvent((xXILeaveEvent*)from, (xXILeaveEvent*)to);
+            break;
+        case XI_DeviceChanged:
+            SDeviceChangedEvent((xXIDeviceChangedEvent*)from,
+                                (xXIDeviceChangedEvent*)to);
+            break;
+        case XI_HierarchyChanged:
+            SDeviceHierarchyEvent((xXIHierarchyEvent*)from, (xXIHierarchyEvent*)to);
+            break;
+        case XI_PropertyEvent:
+            SXIPropertyEvent((xXIPropertyEvent*)from,
+                           (xXIPropertyEvent*)to);
+            break;
+        case XI_Motion:
+        case XI_KeyPress:
+        case XI_KeyRelease:
+        case XI_ButtonPress:
+        case XI_ButtonRelease:
+            SDeviceEvent((xXIDeviceEvent*)from, (xXIDeviceEvent*)to);
+            break;
+        case XI_RawMotion:
+        case XI_RawKeyPress:
+        case XI_RawKeyRelease:
+        case XI_RawButtonPress:
+        case XI_RawButtonRelease:
+            SRawEvent((xXIRawEvent*)from, (xXIRawEvent*)to);
+            break;
+        default:
+            ErrorF("[Xi] Unknown event type to swap. This is a bug.\n");
+            break;
+    }
+}
+
+/**************************************************************************
+ *
+ * Allow the specified event to have its propagation suppressed.
+ * The default is to not allow suppression of propagation.
+ *
+ */
+
+static void
+AllowPropagateSuppress(Mask mask)
+{
+    int i;
+
+    for (i = 0; i < MAXDEVICES; i++)
+	PropagateMask[i] |= mask;
+}
+
+/**************************************************************************
+ *
+ * Record an event mask where there is no unique corresponding event type.
+ * We can't call SetMaskForEvent, since that would clobber the existing
+ * mask for that event.  MotionHint and ButtonMotion are examples.
+ *
+ * Since extension event types will never be less than 64, we can use
+ * 0-63 in the EventInfo array as the "type" to be used to look up this
+ * mask.  This means that the corresponding macros such as
+ * DevicePointerMotionHint must have access to the same constants.
+ *
+ */
+
+static void
+SetEventInfo(Mask mask, int constant)
+{
+    EventInfo[ExtEventIndex].mask = mask;
+    EventInfo[ExtEventIndex++].type = constant;
+}
+
+/**************************************************************************
+ *
+ * Allow the specified event to be restricted to being selected by one
+ * client at a time.
+ * The default is to allow more than one client to select the event.
+ *
+ */
+
+static void
+SetExclusiveAccess(Mask mask)
+{
+    int i;
+
+    for (i = 0; i < MAXDEVICES; i++)
+	ExtExclusiveMasks[i] |= mask;
+}
+
+/**************************************************************************
+ *
+ * Assign the specified mask to the specified event.
+ *
+ */
+
+static void
+SetMaskForExtEvent(Mask mask, int event)
+{
+    int i;
+
+    EventInfo[ExtEventIndex].mask = mask;
+    EventInfo[ExtEventIndex++].type = event;
+
+    if ((event < LASTEvent) || (event >= 128))
+	FatalError("MaskForExtensionEvent: bogus event number");
+
+    for (i = 0; i < MAXDEVICES; i++)
+        SetMaskForEvent(i, mask, event);
+}
+
+/************************************************************************
+ *
+ * This function sets up extension event types and masks.
+ *
+ */
+
+static void
+FixExtensionEvents(ExtensionEntry * extEntry)
+{
+    DeviceValuator = extEntry->eventBase;
+    DeviceKeyPress = DeviceValuator + 1;
+    DeviceKeyRelease = DeviceKeyPress + 1;
+    DeviceButtonPress = DeviceKeyRelease + 1;
+    DeviceButtonRelease = DeviceButtonPress + 1;
+    DeviceMotionNotify = DeviceButtonRelease + 1;
+    DeviceFocusIn = DeviceMotionNotify + 1;
+    DeviceFocusOut = DeviceFocusIn + 1;
+    ProximityIn = DeviceFocusOut + 1;
+    ProximityOut = ProximityIn + 1;
+    DeviceStateNotify = ProximityOut + 1;
+    DeviceMappingNotify = DeviceStateNotify + 1;
+    ChangeDeviceNotify = DeviceMappingNotify + 1;
+    DeviceKeyStateNotify = ChangeDeviceNotify + 1;
+    DeviceButtonStateNotify = DeviceKeyStateNotify + 1;
+    DevicePresenceNotify = DeviceButtonStateNotify + 1;
+    DevicePropertyNotify = DevicePresenceNotify + 1;
+
+    event_base[KeyClass] = DeviceKeyPress;
+    event_base[ButtonClass] = DeviceButtonPress;
+    event_base[ValuatorClass] = DeviceMotionNotify;
+    event_base[ProximityClass] = ProximityIn;
+    event_base[FocusClass] = DeviceFocusIn;
+    event_base[OtherClass] = DeviceStateNotify;
+
+    BadDevice += extEntry->errorBase;
+    BadEvent += extEntry->errorBase;
+    BadMode += extEntry->errorBase;
+    DeviceBusy += extEntry->errorBase;
+    BadClass += extEntry->errorBase;
+
+    SetMaskForExtEvent(DeviceKeyPressMask, DeviceKeyPress);
+    AllowPropagateSuppress(DeviceKeyPressMask);
+    SetCriticalEvent(DeviceKeyPress);
+
+    SetMaskForExtEvent(DeviceKeyReleaseMask, DeviceKeyRelease);
+    AllowPropagateSuppress(DeviceKeyReleaseMask);
+    SetCriticalEvent(DeviceKeyRelease);
+
+    SetMaskForExtEvent(DeviceButtonPressMask, DeviceButtonPress);
+    AllowPropagateSuppress(DeviceButtonPressMask);
+    SetCriticalEvent(DeviceButtonPress);
+
+    SetMaskForExtEvent(DeviceButtonReleaseMask, DeviceButtonRelease);
+    AllowPropagateSuppress(DeviceButtonReleaseMask);
+    SetCriticalEvent(DeviceButtonRelease);
+
+    SetMaskForExtEvent(DeviceProximityMask, ProximityIn);
+    SetMaskForExtEvent(DeviceProximityMask, ProximityOut);
+
+    SetMaskForExtEvent(DeviceStateNotifyMask, DeviceStateNotify);
+
+    SetMaskForExtEvent(DevicePointerMotionMask, DeviceMotionNotify);
+    AllowPropagateSuppress(DevicePointerMotionMask);
+    SetCriticalEvent(DeviceMotionNotify);
+
+    SetEventInfo(DevicePointerMotionHintMask, _devicePointerMotionHint);
+    SetEventInfo(DeviceButton1MotionMask, _deviceButton1Motion);
+    SetEventInfo(DeviceButton2MotionMask, _deviceButton2Motion);
+    SetEventInfo(DeviceButton3MotionMask, _deviceButton3Motion);
+    SetEventInfo(DeviceButton4MotionMask, _deviceButton4Motion);
+    SetEventInfo(DeviceButton5MotionMask, _deviceButton5Motion);
+    SetEventInfo(DeviceButtonMotionMask, _deviceButtonMotion);
+
+    SetMaskForExtEvent(DeviceFocusChangeMask, DeviceFocusIn);
+    SetMaskForExtEvent(DeviceFocusChangeMask, DeviceFocusOut);
+
+    SetMaskForExtEvent(DeviceMappingNotifyMask, DeviceMappingNotify);
+    SetMaskForExtEvent(ChangeDeviceNotifyMask, ChangeDeviceNotify);
+
+    SetEventInfo(DeviceButtonGrabMask, _deviceButtonGrab);
+    SetExclusiveAccess(DeviceButtonGrabMask);
+
+    SetEventInfo(DeviceOwnerGrabButtonMask, _deviceOwnerGrabButton);
+    SetEventInfo(DevicePresenceNotifyMask, _devicePresence);
+    SetMaskForExtEvent(DevicePropertyNotifyMask, DevicePropertyNotify);
+
+    SetEventInfo(0, _noExtensionEvent);
+}
+
+/************************************************************************
+ *
+ * This function restores extension event types and masks to their
+ * initial state.
+ *
+ */
+
+static void
+RestoreExtensionEvents(void)
+{
+    int i, j;
+
+    IReqCode = 0;
+    IEventBase = 0;
+
+    for (i = 0; i < ExtEventIndex - 1; i++) {
+	if ((EventInfo[i].type >= LASTEvent) && (EventInfo[i].type < 128))
+        {
+            for (j = 0; j < MAXDEVICES; j++)
+                SetMaskForEvent(j, 0, EventInfo[i].type);
+        }
+	EventInfo[i].mask = 0;
+	EventInfo[i].type = 0;
+    }
+    ExtEventIndex = 0;
+    DeviceValuator = 0;
+    DeviceKeyPress = 1;
+    DeviceKeyRelease = 2;
+    DeviceButtonPress = 3;
+    DeviceButtonRelease = 4;
+    DeviceMotionNotify = 5;
+    DeviceFocusIn = 6;
+    DeviceFocusOut = 7;
+    ProximityIn = 8;
+    ProximityOut = 9;
+    DeviceStateNotify = 10;
+    DeviceMappingNotify = 11;
+    ChangeDeviceNotify = 12;
+    DeviceKeyStateNotify = 13;
+    DeviceButtonStateNotify = 13;
+    DevicePresenceNotify = 14;
+    DevicePropertyNotify = 15;
+
+    BadDevice = 0;
+    BadEvent = 1;
+    BadMode = 2;
+    DeviceBusy = 3;
+    BadClass = 4;
+
+}
+
+/***********************************************************************
+ *
+ * IResetProc.
+ * Remove reply-swapping routine.
+ * Remove event-swapping routine.
+ *
+ */
+
+static void
+IResetProc(ExtensionEntry * unused)
+{
+    ReplySwapVector[IReqCode] = ReplyNotSwappd;
+    EventSwapVector[DeviceValuator] = NotImplemented;
+    EventSwapVector[DeviceKeyPress] = NotImplemented;
+    EventSwapVector[DeviceKeyRelease] = NotImplemented;
+    EventSwapVector[DeviceButtonPress] = NotImplemented;
+    EventSwapVector[DeviceButtonRelease] = NotImplemented;
+    EventSwapVector[DeviceMotionNotify] = NotImplemented;
+    EventSwapVector[DeviceFocusIn] = NotImplemented;
+    EventSwapVector[DeviceFocusOut] = NotImplemented;
+    EventSwapVector[ProximityIn] = NotImplemented;
+    EventSwapVector[ProximityOut] = NotImplemented;
+    EventSwapVector[DeviceStateNotify] = NotImplemented;
+    EventSwapVector[DeviceKeyStateNotify] = NotImplemented;
+    EventSwapVector[DeviceButtonStateNotify] = NotImplemented;
+    EventSwapVector[DeviceMappingNotify] = NotImplemented;
+    EventSwapVector[ChangeDeviceNotify] = NotImplemented;
+    EventSwapVector[DevicePresenceNotify] = NotImplemented;
+    EventSwapVector[DevicePropertyNotify] = NotImplemented;
+    RestoreExtensionEvents();
+}
+
+
+/***********************************************************************
+ *
+ * Assign an id and type to an input device.
+ *
+ */
+
+void
+AssignTypeAndName(DeviceIntPtr dev, Atom type, char *name)
+{
+    dev->xinput_type = type;
+    dev->name = strdup(name);
+}
+
+/***********************************************************************
+ *
+ * Make device type atoms.
+ *
+ */
+
+static void
+MakeDeviceTypeAtoms(void)
+{
+    int i;
+
+    for (i = 0; i < NUMTYPES; i++)
+	dev_type[i].type =
+	    MakeAtom(dev_type[i].name, strlen(dev_type[i].name), 1);
+}
+
+/*****************************************************************************
+ *
+ *	SEventIDispatch
+ *
+ *	Swap any events defined in this extension.
+ */
+#define DO_SWAP(func,type) func ((type *)from, (type *)to)
+
+static void
+SEventIDispatch(xEvent * from, xEvent * to)
+{
+    int type = from->u.u.type & 0177;
+
+    if (type == DeviceValuator)
+	DO_SWAP(SEventDeviceValuator, deviceValuator);
+    else if (type == DeviceKeyPress) {
+	SKeyButtonPtrEvent(from, to);
+	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;
+    } else if (type == DeviceKeyRelease) {
+	SKeyButtonPtrEvent(from, to);
+	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;
+    } else if (type == DeviceButtonPress) {
+	SKeyButtonPtrEvent(from, to);
+	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;
+    } else if (type == DeviceButtonRelease) {
+	SKeyButtonPtrEvent(from, to);
+	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;
+    } else if (type == DeviceMotionNotify) {
+	SKeyButtonPtrEvent(from, to);
+	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;
+    } else if (type == DeviceFocusIn)
+	DO_SWAP(SEventFocus, deviceFocus);
+    else if (type == DeviceFocusOut)
+	DO_SWAP(SEventFocus, deviceFocus);
+    else if (type == ProximityIn) {
+	SKeyButtonPtrEvent(from, to);
+	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;
+    } else if (type == ProximityOut) {
+	SKeyButtonPtrEvent(from, to);
+	to->u.keyButtonPointer.pad1 = from->u.keyButtonPointer.pad1;
+    } else if (type == DeviceStateNotify)
+	DO_SWAP(SDeviceStateNotifyEvent, deviceStateNotify);
+    else if (type == DeviceKeyStateNotify)
+	DO_SWAP(SDeviceKeyStateNotifyEvent, deviceKeyStateNotify);
+    else if (type == DeviceButtonStateNotify)
+	DO_SWAP(SDeviceButtonStateNotifyEvent, deviceButtonStateNotify);
+    else if (type == DeviceMappingNotify)
+	DO_SWAP(SDeviceMappingNotifyEvent, deviceMappingNotify);
+    else if (type == ChangeDeviceNotify)
+	DO_SWAP(SChangeDeviceNotifyEvent, changeDeviceNotify);
+    else if (type == DevicePresenceNotify)
+	DO_SWAP(SDevicePresenceNotifyEvent, devicePresenceNotify);
+    else if (type == DevicePropertyNotify)
+	DO_SWAP(SDevicePropertyNotifyEvent, devicePropertyNotify);
+    else {
+	FatalError("XInputExtension: Impossible event!\n");
+    }
+}
+
+/**********************************************************************
+ *
+ * IExtensionInit - initialize the input extension.
+ *
+ * Called from InitExtensions in main() or from QueryExtension() if the
+ * extension is dynamically loaded.
+ *
+ * This extension has several events and errors.
+ *
+ * XI is mandatory nowadays, so if we fail to init XI, we die.
+ */
+
+void
+XInputExtensionInit(void)
+{
+    ExtensionEntry *extEntry;
+    XExtensionVersion thisversion = { XI_Present,
+        SERVER_XI_MAJOR_VERSION,
+        SERVER_XI_MINOR_VERSION,
+    };
+
+    if (!dixRegisterPrivateKey(&XIClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(XIClientRec)))
+        FatalError("Cannot request private for XI.\n");
+
+    if (!AddCallback(&ClientStateCallback, XIClientCallback, 0))
+        FatalError("Failed to add callback to XI.\n");
+
+    extEntry = AddExtension(INAME, IEVENTS, IERRORS, ProcIDispatch,
+			    SProcIDispatch, IResetProc, StandardMinorOpcode);
+    if (extEntry) {
+	IReqCode = extEntry->base;
+	IEventBase = extEntry->eventBase;
+	XIVersion = thisversion;
+	MakeDeviceTypeAtoms();
+	RT_INPUTCLIENT = CreateNewResourceType((DeleteType) InputClientGone,
+					       "INPUTCLIENT");
+	if (!RT_INPUTCLIENT)
+	    FatalError("Failed to add resource type for XI.\n");
+	FixExtensionEvents(extEntry);
+	ReplySwapVector[IReqCode] = (ReplySwapPtr) SReplyIDispatch;
+	EventSwapVector[DeviceValuator] = SEventIDispatch;
+	EventSwapVector[DeviceKeyPress] = SEventIDispatch;
+	EventSwapVector[DeviceKeyRelease] = SEventIDispatch;
+	EventSwapVector[DeviceButtonPress] = SEventIDispatch;
+	EventSwapVector[DeviceButtonRelease] = SEventIDispatch;
+	EventSwapVector[DeviceMotionNotify] = SEventIDispatch;
+	EventSwapVector[DeviceFocusIn] = SEventIDispatch;
+	EventSwapVector[DeviceFocusOut] = SEventIDispatch;
+	EventSwapVector[ProximityIn] = SEventIDispatch;
+	EventSwapVector[ProximityOut] = SEventIDispatch;
+	EventSwapVector[DeviceStateNotify] = SEventIDispatch;
+	EventSwapVector[DeviceKeyStateNotify] = SEventIDispatch;
+	EventSwapVector[DeviceButtonStateNotify] = SEventIDispatch;
+	EventSwapVector[DeviceMappingNotify] = SEventIDispatch;
+	EventSwapVector[ChangeDeviceNotify] = SEventIDispatch;
+	EventSwapVector[DevicePresenceNotify] = SEventIDispatch;
+
+	GERegisterExtension(IReqCode, XI2EventSwap);
+
+
+	memset(&xi_all_devices, 0, sizeof(xi_all_devices));
+	memset(&xi_all_master_devices, 0, sizeof(xi_all_master_devices));
+	xi_all_devices.id = XIAllDevices;
+	xi_all_devices.name = "XIAllDevices";
+	xi_all_master_devices.id = XIAllMasterDevices;
+	xi_all_master_devices.name = "XIAllMasterDevices";
+
+	inputInfo.all_devices = &xi_all_devices;
+	inputInfo.all_master_devices = &xi_all_master_devices;
+
+	XIResetProperties();
+    } else {
+	FatalError("IExtensionInit: AddExtensions failed\n");
+    }
+}
+
diff --git a/xorg-server/Xi/xiwarppointer.c b/xorg-server/Xi/xiwarppointer.c
index 7276e6faf..c01b115f3 100644
--- a/xorg-server/Xi/xiwarppointer.c
+++ b/xorg-server/Xi/xiwarppointer.c
@@ -192,6 +192,8 @@ ProcXIWarpPointer(ClientPtr client)
     /* if we don't update the device, we get a jump next time it moves */
     pDev->last.valuators[0] = x;
     pDev->last.valuators[1] = y;
+    pDev->last.remainder[0] = 0;
+    pDev->last.remainder[1] = 0;
     miPointerUpdateSprite(pDev);
 
     /* FIXME: XWarpPointer is supposed to generate an event. It doesn't do it