svn merge https://vcxsrv.svn.sourceforge.net/svnroot/vcxsrv/branches/released

2 files changed, 2177 insertions, 2177 deletions

diff --git a/xorg-server/Xi/exevents.c b/xorg-server/Xi/exevents.c
index edd775c3b..8729d129b 100644
--- a/xorg-server/Xi/exevents.c
+++ b/xorg-server/Xi/exevents.c
@@ -1,2172 +1,2172 @@
-/************************************************************
-
-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>
-#else
-#define XINPUT
-#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 */
-    );
-
-/* Used to sture classes currently not in use by an MD */
-extern DevPrivateKey UnusedClassesPrivateKey;
-
-/*
- * 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;
-}
-
-void
-RegisterOtherDevice(DeviceIntPtr device)
-{
-    device->public.processInputProc = ProcessOtherEvent;
-    device->public.realInputProc = ProcessOtherEvent;
-}
-
-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.
- */
-
-static void
-CopyKeyClass(DeviceIntPtr device, DeviceIntPtr master)
-{
-    KeyClassPtr mk = master->key;
-    KeyClassPtr dk = device->key;
-    int i;
-
-    if (device == master)
-        return;
-
-    mk->sourceid = device->id;
-
-    for (i = 0; i < 8; i++)
-        mk->modifierKeyCount[i] = dk->modifierKeyCount[i];
-
-    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 = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->intfeed = classes->intfeed;
-        }
-
-        i = &to->intfeed;
-        for (it = from->intfeed; it; it = it->next)
-        {
-            if (!(*i))
-            {
-                *i = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->intfeed = to->intfeed;
-        to->intfeed      = NULL;
-    }
-
-    if (from->stringfeed)
-    {
-        StringFeedbackPtr *s, it;
-
-        if (!to->stringfeed)
-        {
-            classes = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->stringfeed = classes->stringfeed;
-        }
-
-        s = &to->stringfeed;
-        for (it = from->stringfeed; it; it = it->next)
-        {
-            if (!(*s))
-            {
-                *s = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->stringfeed = to->stringfeed;
-        to->stringfeed      = NULL;
-    }
-
-    if (from->bell)
-    {
-        BellFeedbackPtr *b, it;
-
-        if (!to->bell)
-        {
-            classes = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->bell = classes->bell;
-        }
-
-        b = &to->bell;
-        for (it = from->bell; it; it = it->next)
-        {
-            if (!(*b))
-            {
-                *b = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->bell = to->bell;
-        to->bell      = NULL;
-    }
-
-    if (from->leds)
-    {
-        LedFeedbackPtr *l, it;
-
-        if (!to->leds)
-        {
-            classes = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->leds = classes->leds;
-        }
-
-        l = &to->leds;
-        for (it = from->leds; it; it = it->next)
-        {
-            if (!(*l))
-            {
-                *l = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        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 = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-
-            to->kbdfeed = classes->kbdfeed;
-            if (!to->kbdfeed)
-                InitKeyboardDeviceStruct(to, NULL, NULL, NULL);
-        }
-
-        k = &to->kbdfeed;
-        for(it = from->kbdfeed; it; it = it->next)
-        {
-            if (!(*k))
-            {
-                *k = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->kbdfeed = to->kbdfeed;
-        to->kbdfeed      = NULL;
-    }
-
-    if (from->key)
-    {
-        if (!to->key)
-        {
-            classes = dixLookupPrivate(&to->devPrivates,
-                    UnusedClassesPrivateKey);
-            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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->key = to->key;
-        to->key      = NULL;
-    }
-
-    /* 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 = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->focus = classes->focus;
-            if (!to->focus)
-            {
-                to->focus = xcalloc(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 = xrealloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        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 = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->ptrfeed = classes->ptrfeed;
-        }
-
-        p = &to->ptrfeed;
-        for (it = from->ptrfeed; it; it = it->next)
-        {
-            if (!(*p))
-            {
-                *p = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->ptrfeed = to->ptrfeed;
-        to->ptrfeed      = NULL;
-    }
-
-    if (from->valuator)
-    {
-        ValuatorClassPtr v;
-        if (!to->valuator)
-        {
-            classes = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->valuator = classes->valuator;
-            if (to->valuator)
-                classes->valuator = NULL;
-        }
-
-        to->valuator = xrealloc(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;
-        v->mode = from->valuator->mode;
-    } else if (to->valuator && !from->valuator)
-    {
-        ClassesPtr classes;
-        classes = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->valuator = to->valuator;
-        to->valuator      = NULL;
-    }
-
-    if (from->button)
-    {
-        if (!to->button)
-        {
-            classes = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->button = classes->button;
-            if (!to->button)
-            {
-                to->button = xcalloc(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 = xcalloc(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
-            xfree(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->button = to->button;
-        to->button      = NULL;
-    }
-
-    if (from->proximity)
-    {
-        if (!to->proximity)
-        {
-            classes = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->proximity = classes->proximity;
-            if (!to->proximity)
-            {
-                to->proximity = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        classes->proximity = to->proximity;
-        to->proximity      = NULL;
-    }
-
-    if (from->absolute)
-    {
-        if (!to->absolute)
-        {
-            classes = dixLookupPrivate(&to->devPrivates,
-                                       UnusedClassesPrivateKey);
-            to->absolute = classes->absolute;
-            if (!to->absolute)
-            {
-                to->absolute = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);
-        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);
-    xfree(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;
-    BYTE *kptr          = 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];
-        }
-    }
-
-    if (event->type == ET_KeyPress) {
-        if (!k)
-            return DONT_PROCESS;
-
-	kptr = &k->down[key >> 3];
-        /* don't allow ddx to generate multiple downs, but repeats are okay */
-	if ((*kptr & bit) && !event->key_repeat)
-	    return DONT_PROCESS;
-	if (device->valuator)
-	    device->valuator->motionHintWindow = NullWindow;
-	*kptr |= bit;
-    } else if (event->type == ET_KeyRelease) {
-        if (!k)
-            return DONT_PROCESS;
-
-	kptr = &k->down[key >> 3];
-	if (!(*kptr & bit))	/* guard against duplicates */
-	    return DONT_PROCESS;
-	if (device->valuator)
-	    device->valuator->motionHintWindow = NullWindow;
-	*kptr &= ~bit;
-    } else if (event->type == ET_ButtonPress) {
-        Mask mask;
-        if (!b)
-            return DONT_PROCESS;
-
-        kptr = &b->down[key >> 3];
-        if ((*kptr & bit) != 0)
-            return DONT_PROCESS;
-        *kptr |= bit;
-	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;
-
-        kptr = &b->down[key>>3];
-        if (!(*kptr & bit))
-            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;
-                if ((sd->button->down[key>>3] & bit) != 0)
-                    return DONT_PROCESS;
-            }
-        }
-        *kptr &= ~bit;
-	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->valuator->mode &= ~OutOfProximity;
-    else if (event->type == ET_ProximityOut)
-	device->valuator->mode |= OutOfProximity;
-
-    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, WindowTable[i], xi, 1,
-                                  GetEventFilter(device, xi), NULL);
-        xfree(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 = (DeviceEvent*)ev;
-
-    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((RawDeviceEvent*)ev, 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 0
-    /* FIXME: I'm broken. Please fix me. Thanks */
-    if (DeviceEventCallback) {
-	DeviceEventInfoRec eventinfo;
-
-	eventinfo.events = (xEventPtr) xE;
-	eventinfo.count = count;
-	CallCallbacks(&DeviceEventCallback, (pointer) & eventinfo);
-    }
-#endif
-    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) xalloc(sizeof(ProximityClassRec));
-    if (!proxc)
-	return FALSE;
-    proxc->sourceid = dev->id;
-    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)
-{
-    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;
-}
-
-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 |= (dev->valuator->mode << 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 = xcalloc(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);
-
-    xfree(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 *) xalloc(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);
-	xfree(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 == BadValue) ? BadCursor : 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 == BadValue) ? BadCursor : 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 = xcalloc(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 = xcalloc(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;
-		xfree(other);
-	    } else if (!(other->next)) {
-		if (ShouldFreeInputMasks(pWin, TRUE)) {
-		    wOtherInputMasks(pWin)->inputClients = other->next;
-		    xfree(wOtherInputMasks(pWin));
-		    pWin->optional->inputMasks = (OtherInputMasks *) NULL;
-		    CheckWindowOptionalNeed(pWin);
-		    xfree(other);
-		} else {
-		    other->resource = FakeClientID(0);
-		    if (!AddResource(other->resource, RT_INPUTCLIENT,
-				     (pointer) pWin))
-			return BadAlloc;
-		}
-	    } else {
-		wOtherInputMasks(pWin)->inputClients = other->next;
-		xfree(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 client->noClientException;
-}
-
-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 = WindowTable[i];
-        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>

+#else

+#define XINPUT

+#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 */

+    );

+

+/* Used to sture classes currently not in use by an MD */

+extern DevPrivateKey UnusedClassesPrivateKey;

+

+/*

+ * 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;

+}

+

+void

+RegisterOtherDevice(DeviceIntPtr device)

+{

+    device->public.processInputProc = ProcessOtherEvent;

+    device->public.realInputProc = ProcessOtherEvent;

+}

+

+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.

+ */

+

+static void

+CopyKeyClass(DeviceIntPtr device, DeviceIntPtr master)

+{

+    KeyClassPtr mk = master->key;

+    KeyClassPtr dk = device->key;

+    int i;

+

+    if (device == master)

+        return;

+

+    mk->sourceid = device->id;

+

+    for (i = 0; i < 8; i++)

+        mk->modifierKeyCount[i] = dk->modifierKeyCount[i];

+

+    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 = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->intfeed = classes->intfeed;

+        }

+

+        i = &to->intfeed;

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

+        {

+            if (!(*i))

+            {

+                *i = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->intfeed = to->intfeed;

+        to->intfeed      = NULL;

+    }

+

+    if (from->stringfeed)

+    {

+        StringFeedbackPtr *s, it;

+

+        if (!to->stringfeed)

+        {

+            classes = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->stringfeed = classes->stringfeed;

+        }

+

+        s = &to->stringfeed;

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

+        {

+            if (!(*s))

+            {

+                *s = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->stringfeed = to->stringfeed;

+        to->stringfeed      = NULL;

+    }

+

+    if (from->bell)

+    {

+        BellFeedbackPtr *b, it;

+

+        if (!to->bell)

+        {

+            classes = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->bell = classes->bell;

+        }

+

+        b = &to->bell;

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

+        {

+            if (!(*b))

+            {

+                *b = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->bell = to->bell;

+        to->bell      = NULL;

+    }

+

+    if (from->leds)

+    {

+        LedFeedbackPtr *l, it;

+

+        if (!to->leds)

+        {

+            classes = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->leds = classes->leds;

+        }

+

+        l = &to->leds;

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

+        {

+            if (!(*l))

+            {

+                *l = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        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 = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+

+            to->kbdfeed = classes->kbdfeed;

+            if (!to->kbdfeed)

+                InitKeyboardDeviceStruct(to, NULL, NULL, NULL);

+        }

+

+        k = &to->kbdfeed;

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

+        {

+            if (!(*k))

+            {

+                *k = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->kbdfeed = to->kbdfeed;

+        to->kbdfeed      = NULL;

+    }

+

+    if (from->key)

+    {

+        if (!to->key)

+        {

+            classes = dixLookupPrivate(&to->devPrivates,

+                    UnusedClassesPrivateKey);

+            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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->key = to->key;

+        to->key      = NULL;

+    }

+

+    /* 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 = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->focus = classes->focus;

+            if (!to->focus)

+            {

+                to->focus = xcalloc(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 = xrealloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        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 = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->ptrfeed = classes->ptrfeed;

+        }

+

+        p = &to->ptrfeed;

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

+        {

+            if (!(*p))

+            {

+                *p = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->ptrfeed = to->ptrfeed;

+        to->ptrfeed      = NULL;

+    }

+

+    if (from->valuator)

+    {

+        ValuatorClassPtr v;

+        if (!to->valuator)

+        {

+            classes = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->valuator = classes->valuator;

+            if (to->valuator)

+                classes->valuator = NULL;

+        }

+

+        to->valuator = xrealloc(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;

+        v->mode = from->valuator->mode;

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

+    {

+        ClassesPtr classes;

+        classes = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->valuator = to->valuator;

+        to->valuator      = NULL;

+    }

+

+    if (from->button)

+    {

+        if (!to->button)

+        {

+            classes = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->button = classes->button;

+            if (!to->button)

+            {

+                to->button = xcalloc(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 = xcalloc(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

+            xfree(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->button = to->button;

+        to->button      = NULL;

+    }

+

+    if (from->proximity)

+    {

+        if (!to->proximity)

+        {

+            classes = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->proximity = classes->proximity;

+            if (!to->proximity)

+            {

+                to->proximity = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        classes->proximity = to->proximity;

+        to->proximity      = NULL;

+    }

+

+    if (from->absolute)

+    {

+        if (!to->absolute)

+        {

+            classes = dixLookupPrivate(&to->devPrivates,

+                                       UnusedClassesPrivateKey);

+            to->absolute = classes->absolute;

+            if (!to->absolute)

+            {

+                to->absolute = xcalloc(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 = dixLookupPrivate(&to->devPrivates, UnusedClassesPrivateKey);

+        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);

+    xfree(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;

+    BYTE *kptr          = 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];

+        }

+    }

+

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

+        if (!k)

+            return DONT_PROCESS;

+

+	kptr = &k->down[key >> 3];

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

+	if ((*kptr & bit) && !event->key_repeat)

+	    return DONT_PROCESS;

+	if (device->valuator)

+	    device->valuator->motionHintWindow = NullWindow;

+	*kptr |= bit;

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

+        if (!k)

+            return DONT_PROCESS;

+

+	kptr = &k->down[key >> 3];

+	if (!(*kptr & bit))	/* guard against duplicates */

+	    return DONT_PROCESS;

+	if (device->valuator)

+	    device->valuator->motionHintWindow = NullWindow;

+	*kptr &= ~bit;

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

+        Mask mask;

+        if (!b)

+            return DONT_PROCESS;

+

+        kptr = &b->down[key >> 3];

+        if ((*kptr & bit) != 0)

+            return DONT_PROCESS;

+        *kptr |= bit;

+	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;

+

+        kptr = &b->down[key>>3];

+        if (!(*kptr & bit))

+            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;

+                if ((sd->button->down[key>>3] & bit) != 0)

+                    return DONT_PROCESS;

+            }

+        }

+        *kptr &= ~bit;

+	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->valuator->mode &= ~OutOfProximity;

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

+	device->valuator->mode |= OutOfProximity;

+

+    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, WindowTable[i], xi, 1,

+                                  GetEventFilter(device, xi), NULL);

+        xfree(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 0

+    /* FIXME: I'm broken. Please fix me. Thanks */

+    if (DeviceEventCallback) {

+	DeviceEventInfoRec eventinfo;

+

+	eventinfo.events = (xEventPtr) xE;

+	eventinfo.count = count;

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

+    }

+#endif

+    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) xalloc(sizeof(ProximityClassRec));

+    if (!proxc)

+	return FALSE;

+    proxc->sourceid = dev->id;

+    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)

+{

+    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;

+}

+

+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 |= (dev->valuator->mode << 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 = xcalloc(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);

+

+    xfree(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 *) xalloc(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);

+	xfree(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 == BadValue) ? BadCursor : 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 == BadValue) ? BadCursor : 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 = xcalloc(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 = xcalloc(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;

+		xfree(other);

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

+		if (ShouldFreeInputMasks(pWin, TRUE)) {

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

+		    xfree(wOtherInputMasks(pWin));

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

+		    CheckWindowOptionalNeed(pWin);

+		    xfree(other);

+		} else {

+		    other->resource = FakeClientID(0);

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

+				     (pointer) pWin))

+			return BadAlloc;

+		}

+	    } else {

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

+		xfree(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 client->noClientException;

+}

+

+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 = WindowTable[i];

+        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 84b999c0c..0c1291903 100644
--- a/xorg-server/Xi/extinit.c
+++ b/xorg-server/Xi/extinit.c
@@ -72,6 +72,7 @@ SOFTWARE.
 #include "swaprep.h"
 #include "registry.h"
 #include "privates.h"
+#include "protocol-versions.h"
 
 /* modules local to Xi */
 #include "allowev.h"
@@ -380,11 +381,6 @@ Mask PropagateMask[MAXDEVICES];
 static int XIClientPrivateKeyIndex;
 DevPrivateKey XIClientPrivateKey = &XIClientPrivateKeyIndex;
 
-static XExtensionVersion thisversion = { XI_Present,
-    XI_2_Major,
-    XI_2_Minor
-};
-
 
 /*****************************************************************
  *
@@ -1255,6 +1251,10 @@ void
 XInputExtensionInit(void)
 {
     ExtensionEntry *extEntry;
+    XExtensionVersion thisversion = { XI_Present,
+        SERVER_XI_MAJOR_VERSION,
+        SERVER_XI_MINOR_VERSION,
+    };
 
     if (!dixRequestPrivate(XIClientPrivateKey, sizeof(XIClientRec)))
         FatalError("Cannot request private for XI.\n");