xserver libX11 libxcb mesa git update 15 Mar 2011

1 files changed, 2630 insertions, 2628 deletions

diff --git a/xorg-server/dix/devices.c b/xorg-server/dix/devices.c
index e57c27b00..7f500d63d 100644
--- a/xorg-server/dix/devices.c
+++ b/xorg-server/dix/devices.c
@@ -1,2628 +1,2630 @@
-/************************************************************
-
-Copyright 1987, 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 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
-                        All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL 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.
-
-********************************************************/
-
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include "misc.h"
-#include "resource.h"
-#include <X11/Xproto.h>
-#include <X11/Xatom.h>
-#include "windowstr.h"
-#include "inputstr.h"
-#include "scrnintstr.h"
-#include "cursorstr.h"
-#include "dixstruct.h"
-#include "ptrveloc.h"
-#include "site.h"
-#include "xkbsrv.h"
-#include "privates.h"
-#include "xace.h"
-#include "mi.h"
-
-#include "dispatch.h"
-#include "swaprep.h"
-#include "dixevents.h"
-#include "mipointer.h"
-#include "eventstr.h"
-
-#include <X11/extensions/XI.h>
-#include <X11/extensions/XI2.h>
-#include <X11/extensions/XIproto.h>
-#include <math.h>
-#include <pixman.h>
-#include "exglobals.h"
-#include "exevents.h"
-#include "xiquerydevice.h" /* for SizeDeviceClasses */
-#include "xiproperty.h"
-#include "enterleave.h" /* for EnterWindow() */
-#include "xserver-properties.h"
-#include "xichangehierarchy.h" /* For XISendDeviceHierarchyEvent */
-
-/** @file
- * This file handles input device-related stuff.
- */
-
-static void RecalculateMasterButtons(DeviceIntPtr slave);
-
-static void
-DeviceSetTransform(DeviceIntPtr dev, float *transform)
-{
-    struct pixman_f_transform scale;
-    double sx, sy;
-    int x, y;
-
-    /**
-     * calculate combined transformation matrix:
-     *
-     * M = InvScale * Transform * Scale
-     *
-     * So we can later transform points using M * p
-     *
-     * Where:
-     *  Scale scales coordinates into 0..1 range
-     *  Transform is the user supplied (affine) transform
-     *  InvScale scales coordinates back up into their native range
-     */
-    sx = dev->valuator->axes[0].max_value - dev->valuator->axes[0].min_value;
-    sy = dev->valuator->axes[1].max_value - dev->valuator->axes[1].min_value;
-
-    /* invscale */
-    pixman_f_transform_init_scale(&scale, sx, sy);
-    scale.m[0][2] = dev->valuator->axes[0].min_value;
-    scale.m[1][2] = dev->valuator->axes[1].min_value;
-
-    /* transform */
-    for (y=0; y<3; y++)
-        for (x=0; x<3; x++)
-            dev->transform.m[y][x] = *transform++;
-
-    pixman_f_transform_multiply(&dev->transform, &scale, &dev->transform);
-
-    /* scale */
-    pixman_f_transform_init_scale(&scale, 1.0 / sx, 1.0 / sy);
-    scale.m[0][2] = -dev->valuator->axes[0].min_value / sx;
-    scale.m[1][2] = -dev->valuator->axes[1].min_value / sy;
-
-    pixman_f_transform_multiply(&dev->transform, &dev->transform, &scale);
-}
-
-/**
- * DIX property handler.
- */
-static int
-DeviceSetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop,
-                  BOOL checkonly)
-{
-    if (property == XIGetKnownProperty(XI_PROP_ENABLED))
-    {
-        if (prop->format != 8 || prop->type != XA_INTEGER || prop->size != 1)
-            return BadValue;
-
-        /* Don't allow disabling of VCP/VCK */
-        if ((dev == inputInfo.pointer || dev == inputInfo.keyboard) &&
-            !(*(CARD8*)prop->data))
-            return BadAccess;
-
-        if (!checkonly)
-        {
-            if ((*((CARD8*)prop->data)) && !dev->enabled)
-                EnableDevice(dev, TRUE);
-            else if (!(*((CARD8*)prop->data)) && dev->enabled)
-                DisableDevice(dev, TRUE);
-        }
-    } else if (property == XIGetKnownProperty(XI_PROP_TRANSFORM))
-    {
-        float *f = (float*)prop->data;
-        int i;
-
-        if (prop->format != 32 || prop->size != 9 ||
-            prop->type != XIGetKnownProperty(XATOM_FLOAT))
-            return BadValue;
-
-        for (i=0; i<9; i++)
-            if (!isfinite(f[i]))
-                return BadValue;
-
-        if (!checkonly)
-            DeviceSetTransform(dev, f);
-    }
-
-    return Success;
-}
-
-/* Pair the keyboard to the pointer device. Keyboard events will follow the
- * pointer sprite. Only applicable for master devices.
- * If the client is set, the request to pair comes from some client. In this
- * case, we need to check for access. If the client is NULL, it's from an
- * internal automatic pairing, we must always permit this.
- */
-static int
-PairDevices(ClientPtr client, DeviceIntPtr ptr, DeviceIntPtr kbd)
-{
-    if (!ptr)
-        return BadDevice;
-
-    /* Don't allow pairing for slave devices */
-    if (!IsMaster(ptr) || !IsMaster(kbd))
-        return BadDevice;
-
-    if (ptr->spriteInfo->paired)
-        return BadDevice;
-
-    if (kbd->spriteInfo->spriteOwner)
-    {
-        free(kbd->spriteInfo->sprite);
-        kbd->spriteInfo->sprite = NULL;
-        kbd->spriteInfo->spriteOwner = FALSE;
-    }
-
-    kbd->spriteInfo->sprite = ptr->spriteInfo->sprite;
-    kbd->spriteInfo->paired = ptr;
-    ptr->spriteInfo->paired = kbd;
-    return Success;
-}
-
-
-/**
- * Find and return the next unpaired MD pointer device.
- */
-static DeviceIntPtr
-NextFreePointerDevice(void)
-{
-    DeviceIntPtr dev;
-    for (dev = inputInfo.devices; dev; dev = dev->next)
-        if (IsMaster(dev) &&
-                dev->spriteInfo->spriteOwner &&
-                !dev->spriteInfo->paired)
-            return dev;
-    return NULL;
-}
-
-/**
- * Create a new input device and init it to sane values. The device is added
- * to the server's off_devices list.
- *
- * @param deviceProc Callback for device control function (switch dev on/off).
- * @return The newly created device.
- */
-DeviceIntPtr
-AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart)
-{
-    DeviceIntPtr dev, *prev; /* not a typo */
-    DeviceIntPtr devtmp;
-    int devid;
-    char devind[MAXDEVICES];
-    BOOL enabled;
-    float transform[9];
-
-    /* Find next available id, 0 and 1 are reserved */
-    memset(devind, 0, sizeof(char)*MAXDEVICES);
-    for (devtmp = inputInfo.devices; devtmp; devtmp = devtmp->next)
-	devind[devtmp->id]++;
-    for (devtmp = inputInfo.off_devices; devtmp; devtmp = devtmp->next)
-	devind[devtmp->id]++;
-    for (devid = 2; devid < MAXDEVICES && devind[devid]; devid++)
-	;
-
-    if (devid >= MAXDEVICES)
-	return (DeviceIntPtr)NULL;
-    dev =  _dixAllocateObjectWithPrivates(sizeof(DeviceIntRec) + sizeof(SpriteInfoRec),
-					  sizeof(DeviceIntRec) + sizeof(SpriteInfoRec),
-					  offsetof(DeviceIntRec, devPrivates), PRIVATE_DEVICE);
-    if (!dev)
-	return (DeviceIntPtr)NULL;
-    dev->id = devid;
-    dev->public.processInputProc = ProcessOtherEvent;
-    dev->public.realInputProc = ProcessOtherEvent;
-    dev->public.enqueueInputProc = EnqueueEvent;
-    dev->deviceProc = deviceProc;
-    dev->startup = autoStart;
-
-    /* device grab defaults */
-    dev->deviceGrab.grabTime = currentTime;
-    dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab;
-    dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab;
-
-    XkbSetExtension(dev, ProcessKeyboardEvent);
-
-    dev->coreEvents = TRUE;
-
-    /* sprite defaults */
-    dev->spriteInfo = (SpriteInfoPtr)&dev[1];
-
-    /*  security creation/labeling check
-     */
-    if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixCreateAccess)) {
-	free(dev);
-	return NULL;
-    }
-
-    inputInfo.numDevices++;
-
-    for (prev = &inputInfo.off_devices; *prev; prev = &(*prev)->next)
-        ;
-    *prev = dev;
-    dev->next = NULL;
-
-    enabled = FALSE;
-    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),
-                           XA_INTEGER, 8, PropModeReplace, 1, &enabled,
-                           FALSE);
-    XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_ENABLED), FALSE);
-
-    /* unity matrix */
-    memset(transform, 0, sizeof(transform));
-    transform[0] = transform[4] = transform[8] = 1.0f;
-
-    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_TRANSFORM),
-                           XIGetKnownProperty(XATOM_FLOAT), 32,
-                           PropModeReplace, 9, transform, FALSE);
-    XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_TRANSFORM),
-                                 FALSE);
-
-    XIRegisterPropertyHandler(dev, DeviceSetProperty, NULL, NULL);
-
-    return dev;
-}
-
-void
-SendDevicePresenceEvent(int deviceid, int type)
-{
-    DeviceIntRec dummyDev;
-    devicePresenceNotify ev;
-
-    memset(&dummyDev, 0, sizeof(DeviceIntRec));
-    ev.type = DevicePresenceNotify;
-    ev.time = currentTime.milliseconds;
-    ev.devchange = type;
-    ev.deviceid = deviceid;
-    dummyDev.id = XIAllDevices;
-    SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask,
-                          (xEvent*)&ev, 1);
-}
-
-/**
- * Enable the device through the driver, add the device to the device list.
- * Switch device ON through the driver and push it onto the global device
- * list. Initialize the DIX sprite or pair the device. All clients are
- * notified about the device being enabled.
- *
- * A master pointer device needs to be enabled before a master keyboard
- * device.
- *
- * @param The device to be enabled.
- * @param sendevent True if an XI2 event should be sent.
- * @return TRUE on success or FALSE otherwise.
- */
-Bool
-EnableDevice(DeviceIntPtr dev, BOOL sendevent)
-{
-    DeviceIntPtr *prev;
-    int ret;
-    DeviceIntPtr other;
-    BOOL enabled;
-    int flags[MAXDEVICES] = {0};
-
-    for (prev = &inputInfo.off_devices;
-	 *prev && (*prev != dev);
-	 prev = &(*prev)->next)
-	;
-
-    if (!dev->spriteInfo->sprite)
-    {
-        if (IsMaster(dev))
-        {
-            /* Sprites appear on first root window, so we can hardcode it */
-            if (dev->spriteInfo->spriteOwner)
-            {
-                InitializeSprite(dev, screenInfo.screens[0]->root);
-                                                 /* mode doesn't matter */
-                EnterWindow(dev, screenInfo.screens[0]->root, NotifyAncestor);
-            }
-            else if ((other = NextFreePointerDevice()) == NULL)
-            {
-                ErrorF("[dix] cannot find pointer to pair with. "
-                       "This is a bug.\n");
-                return FALSE;
-            } else
-                PairDevices(NULL, other, dev);
-        } else
-        {
-            if (dev->coreEvents)
-                other = (IsPointerDevice(dev)) ? inputInfo.pointer :
-                    inputInfo.keyboard;
-            else
-                other = NULL; /* auto-float non-core devices */
-            AttachDevice(NULL, dev, other);
-        }
-    }
-
-    if ((*prev != dev) || !dev->inited ||
-	((ret = (*dev->deviceProc)(dev, DEVICE_ON)) != Success)) {
-        ErrorF("[dix] couldn't enable device %d\n", dev->id);
-	return FALSE;
-    }
-    dev->enabled = TRUE;
-    *prev = dev->next;
-
-    for (prev = &inputInfo.devices; *prev; prev = &(*prev)->next)
-        ;
-    *prev = dev;
-    dev->next = NULL;
-
-    enabled = TRUE;
-    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),
-                           XA_INTEGER, 8, PropModeReplace, 1, &enabled,
-                           TRUE);
-
-    SendDevicePresenceEvent(dev->id, DeviceEnabled);
-    if (sendevent)
-    {
-        flags[dev->id] |= XIDeviceEnabled;
-        XISendDeviceHierarchyEvent(flags);
-    }
-
-    RecalculateMasterButtons(dev);
-
-    return TRUE;
-}
-
-/**
- * Switch a device off through the driver and push it onto the off_devices
- * list. A device will not send events while disabled. All clients are
- * notified about the device being disabled.
- *
- * Master keyboard devices have to be disabled before master pointer devices
- * otherwise things turn bad.
- *
- * @param sendevent True if an XI2 event should be sent.
- * @return TRUE on success or FALSE otherwise.
- */
-Bool
-DisableDevice(DeviceIntPtr dev, BOOL sendevent)
-{
-    DeviceIntPtr *prev, other;
-    BOOL enabled;
-    int flags[MAXDEVICES] = {0};
-
-    for (prev = &inputInfo.devices;
-	 *prev && (*prev != dev);
-	 prev = &(*prev)->next)
-	;
-    if (*prev != dev)
-	return FALSE;
-
-    /* float attached devices */
-    if (IsMaster(dev))
-    {
-        for (other = inputInfo.devices; other; other = other->next)
-        {
-            if (!IsMaster(other) && GetMaster(other, MASTER_ATTACHED) == dev)
-            {
-                AttachDevice(NULL, other, NULL);
-                flags[other->id] |= XISlaveDetached;
-            }
-        }
-    }
-    else
-    {
-        for (other = inputInfo.devices; other; other = other->next)
-        {
-	    if (IsMaster(other) && other->lastSlave == dev)
-		other->lastSlave = NULL;
-	}
-    }
-
-    if (IsMaster(dev) && dev->spriteInfo->sprite)
-    {
-        for (other = inputInfo.devices; other; other = other->next)
-        {
-            if (other->spriteInfo->paired == dev)
-            {
-                ErrorF("[dix] cannot disable device, still paired. "
-                        "This is a bug. \n");
-                return FALSE;
-            }
-        }
-    }
-
-    (void)(*dev->deviceProc)(dev, DEVICE_OFF);
-    dev->enabled = FALSE;
-
-    /* now that the device is disabled, we can reset the signal handler's
-     * last.slave */
-    OsBlockSignals();
-    for (other = inputInfo.devices; other; other = other->next)
-    {
-        if (other->last.slave == dev)
-            other->last.slave = NULL;
-    }
-    OsReleaseSignals();
-
-    LeaveWindow(dev);
-    SetFocusOut(dev);
-
-    *prev = dev->next;
-    dev->next = inputInfo.off_devices;
-    inputInfo.off_devices = dev;
-
-    enabled = FALSE;
-    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),
-                           XA_INTEGER, 8, PropModeReplace, 1, &enabled,
-                           TRUE);
-
-    SendDevicePresenceEvent(dev->id, DeviceDisabled);
-    if (sendevent)
-    {
-        flags[dev->id] = XIDeviceDisabled;
-        XISendDeviceHierarchyEvent(flags);
-    }
-
-    RecalculateMasterButtons(dev);
-
-    return TRUE;
-}
-
-/**
- * Initialise a new device through the driver and tell all clients about the
- * new device.
- *
- * Must be called before EnableDevice.
- * The device will NOT send events until it is enabled!
- *
- * @param sendevent True if an XI2 event should be sent.
- * @return Success or an error code on failure.
- */
-int
-ActivateDevice(DeviceIntPtr dev, BOOL sendevent)
-{
-    int ret = Success;
-    ScreenPtr pScreen = screenInfo.screens[0];
-
-    if (!dev || !dev->deviceProc)
-        return BadImplementation;
-
-    ret = (*dev->deviceProc) (dev, DEVICE_INIT);
-    dev->inited = (ret == Success);
-    if (!dev->inited)
-        return ret;
-
-    /* Initialize memory for sprites. */
-    if (IsMaster(dev) && dev->spriteInfo->spriteOwner)
-        if (!pScreen->DeviceCursorInitialize(dev, pScreen))
-            ret = BadAlloc;
-
-    SendDevicePresenceEvent(dev->id, DeviceAdded);
-    if (sendevent)
-    {
-        int flags[MAXDEVICES] = {0};
-        flags[dev->id] = XISlaveAdded;
-        XISendDeviceHierarchyEvent(flags);
-    }
-    return ret;
-}
-
-/**
- * Ring the bell.
- * The actual task of ringing the bell is the job of the DDX.
- */
-static void
-CoreKeyboardBell(int volume, DeviceIntPtr pDev, pointer arg, int something)
-{
-    KeybdCtrl *ctrl = arg;
-
-    DDXRingBell(volume, ctrl->bell_pitch, ctrl->bell_duration);
-}
-
-static void
-CoreKeyboardCtl(DeviceIntPtr pDev, KeybdCtrl *ctrl)
-{
-    return;
-}
-
-/**
- * Device control function for the Virtual Core Keyboard.
- */
-int
-CoreKeyboardProc(DeviceIntPtr pDev, int what)
-{
-
-    switch (what) {
-    case DEVICE_INIT:
-        if (!InitKeyboardDeviceStruct(pDev, NULL, CoreKeyboardBell,
-                                      CoreKeyboardCtl))
-        {
-            ErrorF("Keyboard initialization failed. This could be a missing "
-                   "or incorrect setup of xkeyboard-config.\n");
-            return BadValue;
-        }
-        return Success;
-
-    case DEVICE_ON:
-    case DEVICE_OFF:
-        return Success;
-
-    case DEVICE_CLOSE:
-        return Success;
-    }
-
-    return BadMatch;
-}
-
-/**
- * Device control function for the Virtual Core Pointer.
- */
-int
-CorePointerProc(DeviceIntPtr pDev, int what)
-{
-#define NBUTTONS 10
-#define NAXES 2
-    BYTE map[NBUTTONS + 1];
-    int i = 0;
-    Atom btn_labels[NBUTTONS] = {0};
-    Atom axes_labels[NAXES] = {0};
-
-    switch (what) {
-    case DEVICE_INIT:
-        for (i = 1; i <= NBUTTONS; i++)
-            map[i] = i;
-
-	btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
-	btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
-	btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
-	btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);
-	btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);
-	btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);
-	btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);
-	/* don't know about the rest */
-
-	axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
-	axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
-
-        if (!InitPointerDeviceStruct((DevicePtr)pDev, map, NBUTTONS, btn_labels,
-                                (PtrCtrlProcPtr)NoopDDA,
-                                GetMotionHistorySize(), NAXES, axes_labels))
-        {
-            ErrorF("Could not initialize device '%s'. Out of memory.\n",
-                   pDev->name);
-            return BadAlloc; /* IPDS only fails on allocs */
-        }
-        pDev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;
-        pDev->last.valuators[0] = pDev->valuator->axisVal[0];
-        pDev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;
-        pDev->last.valuators[1] = pDev->valuator->axisVal[1];
-        break;
-
-    case DEVICE_CLOSE:
-        break;
-
-    default:
-        break;
-    }
-
-    return Success;
-
-#undef NBUTTONS
-#undef NAXES
-}
-
-/**
- * Initialise the two core devices, VCP and VCK (see events.c).
- * Both devices are not tied to physical devices, but guarantee that there is
- * always a keyboard and a pointer present and keep the protocol semantics.
- *
- * Note that the server MUST have two core devices at all times, even if there
- * is no physical device connected.
- */
-void
-InitCoreDevices(void)
-{
-    if (AllocDevicePair(serverClient, "Virtual core",
-                        &inputInfo.pointer, &inputInfo.keyboard,
-                        CorePointerProc, CoreKeyboardProc,
-                        TRUE) != Success)
-        FatalError("Failed to allocate core devices");
-
-    if (ActivateDevice(inputInfo.pointer, TRUE) != Success ||
-        ActivateDevice(inputInfo.keyboard, TRUE) != Success)
-        FatalError("Failed to activate core devices.");
-    if (!EnableDevice(inputInfo.pointer, TRUE) ||
-        !EnableDevice(inputInfo.keyboard, TRUE))
-        FatalError("Failed to enable core devices.");
-
-    InitXTestDevices();
-}
-
-/**
- * Activate all switched-off devices and then enable all those devices.
- *
- * Will return an error if no core keyboard or core pointer is present.
- * In theory this should never happen if you call InitCoreDevices() first.
- *
- * InitAndStartDevices needs to be called AFTER the windows are initialized.
- * Devices will start sending events after InitAndStartDevices() has
- * completed.
- *
- * @return Success or error code on failure.
- */
-int
-InitAndStartDevices(void)
-{
-    DeviceIntPtr dev, next;
-
-    for (dev = inputInfo.off_devices; dev; dev = dev->next) {
-        DebugF("(dix) initialising device %d\n", dev->id);
-        if (!dev->inited)
-            ActivateDevice(dev, TRUE);
-    }
-
-    /* enable real devices */
-    for (dev = inputInfo.off_devices; dev; dev = next)
-    {
-        DebugF("(dix) enabling device %d\n", dev->id);
-	next = dev->next;
-	if (dev->inited && dev->startup)
-	    EnableDevice(dev, TRUE);
-    }
-
-    return Success;
-}
-
-/**
- * Free the given device class and reset the pointer to NULL.
- */
-static void
-FreeDeviceClass(int type, pointer *class)
-{
-    if (!(*class))
-        return;
-
-    switch(type)
-    {
-        case KeyClass:
-            {
-                KeyClassPtr* k = (KeyClassPtr*)class;
-                if ((*k)->xkbInfo)
-                {
-                    XkbFreeInfo((*k)->xkbInfo);
-                    (*k)->xkbInfo = NULL;
-                }
-                free((*k));
-                break;
-            }
-        case ButtonClass:
-            {
-                ButtonClassPtr *b = (ButtonClassPtr*)class;
-                free((*b)->xkb_acts);
-                free((*b));
-                break;
-            }
-        case ValuatorClass:
-            {
-                ValuatorClassPtr *v = (ValuatorClassPtr*)class;
-
-                free((*v)->motion);
-                free((*v));
-                break;
-            }
-        case FocusClass:
-            {
-                FocusClassPtr *f = (FocusClassPtr*)class;
-                free((*f)->trace);
-                free((*f));
-                break;
-            }
-        case ProximityClass:
-            {
-                ProximityClassPtr *p = (ProximityClassPtr*)class;
-                free((*p));
-                break;
-            }
-    }
-    *class = NULL;
-}
-
-static void
-FreeFeedbackClass(int type, pointer *class)
-{
-    if (!(*class))
-        return;
-
-    switch(type)
-    {
-        case KbdFeedbackClass:
-            {
-                KbdFeedbackPtr *kbdfeed = (KbdFeedbackPtr*)class;
-                KbdFeedbackPtr k, knext;
-                for (k = (*kbdfeed); k; k = knext) {
-                    knext = k->next;
-                    if (k->xkb_sli)
-                        XkbFreeSrvLedInfo(k->xkb_sli);
-                    free(k);
-                }
-                break;
-            }
-        case PtrFeedbackClass:
-            {
-                PtrFeedbackPtr *ptrfeed = (PtrFeedbackPtr*)class;
-                PtrFeedbackPtr p, pnext;
-
-                for (p = (*ptrfeed); p; p = pnext) {
-                    pnext = p->next;
-                    free(p);
-                }
-                break;
-            }
-        case IntegerFeedbackClass:
-            {
-                IntegerFeedbackPtr *intfeed = (IntegerFeedbackPtr*)class;
-                IntegerFeedbackPtr i, inext;
-
-                for (i = (*intfeed); i; i = inext) {
-                    inext = i->next;
-                    free(i);
-                }
-                break;
-            }
-        case StringFeedbackClass:
-            {
-                StringFeedbackPtr *stringfeed = (StringFeedbackPtr*)class;
-                StringFeedbackPtr s, snext;
-
-                for (s = (*stringfeed); s; s = snext) {
-                    snext = s->next;
-                    free(s->ctrl.symbols_supported);
-                    free(s->ctrl.symbols_displayed);
-                    free(s);
-                }
-                break;
-            }
-        case BellFeedbackClass:
-            {
-                BellFeedbackPtr *bell = (BellFeedbackPtr*)class;
-                BellFeedbackPtr b, bnext;
-
-                for (b = (*bell); b; b = bnext) {
-                    bnext = b->next;
-                    free(b);
-                }
-                break;
-            }
-        case LedFeedbackClass:
-            {
-                LedFeedbackPtr *leds = (LedFeedbackPtr*)class;
-                LedFeedbackPtr l, lnext;
-
-                for (l = (*leds); l; l = lnext) {
-                    lnext = l->next;
-                    if (l->xkb_sli)
-                        XkbFreeSrvLedInfo(l->xkb_sli);
-                    free(l);
-                }
-                break;
-            }
-    }
-    *class = NULL;
-}
-
-static void
-FreeAllDeviceClasses(ClassesPtr classes)
-{
-    if (!classes)
-        return;
-
-    FreeDeviceClass(KeyClass, (pointer)&classes->key);
-    FreeDeviceClass(ValuatorClass, (pointer)&classes->valuator);
-    FreeDeviceClass(ButtonClass, (pointer)&classes->button);
-    FreeDeviceClass(FocusClass, (pointer)&classes->focus);
-    FreeDeviceClass(ProximityClass, (pointer)&classes->proximity);
-
-    FreeFeedbackClass(KbdFeedbackClass, (pointer)&classes->kbdfeed);
-    FreeFeedbackClass(PtrFeedbackClass, (pointer)&classes->ptrfeed);
-    FreeFeedbackClass(IntegerFeedbackClass, (pointer)&classes->intfeed);
-    FreeFeedbackClass(StringFeedbackClass, (pointer)&classes->stringfeed);
-    FreeFeedbackClass(BellFeedbackClass, (pointer)&classes->bell);
-    FreeFeedbackClass(LedFeedbackClass, (pointer)&classes->leds);
-
-}
-
-/**
- * Close down a device and free all resources.
- * Once closed down, the driver will probably not expect you that you'll ever
- * enable it again and free associated structs. If you want the device to just
- * be disabled, DisableDevice().
- * Don't call this function directly, use RemoveDevice() instead.
- */
-static void
-CloseDevice(DeviceIntPtr dev)
-{
-    ScreenPtr screen = screenInfo.screens[0];
-    ClassesPtr classes;
-    int j;
-
-    if (!dev)
-        return;
-
-    XIDeleteAllDeviceProperties(dev);
-
-    if (dev->inited)
-	(void)(*dev->deviceProc)(dev, DEVICE_CLOSE);
-
-    /* free sprite memory */
-    if (IsMaster(dev) && dev->spriteInfo->sprite)
-        screen->DeviceCursorCleanup(dev, screen);
-
-    /* free acceleration info */
-    if(dev->valuator && dev->valuator->accelScheme.AccelCleanupProc)
-	dev->valuator->accelScheme.AccelCleanupProc(dev);
-
-    while (dev->xkb_interest)
-	XkbRemoveResourceClient((DevicePtr)dev,dev->xkb_interest->resource);
-
-    free(dev->name);
-
-    classes = (ClassesPtr)&dev->key;
-    FreeAllDeviceClasses(classes);
-
-    if (IsMaster(dev))
-    {
-        classes = dev->unused_classes;
-        FreeAllDeviceClasses(classes);
-	free(classes);
-    }
-
-    if (DevHasCursor(dev) && dev->spriteInfo->sprite) {
-	if (dev->spriteInfo->sprite->current)
-	    FreeCursor(dev->spriteInfo->sprite->current, None);
-        free(dev->spriteInfo->sprite->spriteTrace);
-        free(dev->spriteInfo->sprite);
-    }
-
-    /* a client may have the device set as client pointer */
-    for (j = 0; j < currentMaxClients; j++)
-    {
-        if (clients[j] && clients[j]->clientPtr == dev)
-        {
-            clients[j]->clientPtr = NULL;
-            clients[j]->clientPtr = PickPointer(clients[j]);
-        }
-    }
-
-    free(dev->deviceGrab.sync.event);
-    dixFreeObjectWithPrivates(dev, PRIVATE_DEVICE);
-}
-
-/**
- * Shut down all devices of one list and free all resources.
- */
-static
-void
-CloseDeviceList(DeviceIntPtr *listHead)
-{
-    /* Used to mark devices that we tried to free */
-    Bool freedIds[MAXDEVICES];
-    DeviceIntPtr dev;
-    int i;
-
-    if (listHead == NULL)
-        return;
-
-    for (i = 0; i < MAXDEVICES; i++)
-        freedIds[i] = FALSE;
-
-    dev = *listHead;
-    while (dev != NULL)
-    {
-        freedIds[dev->id] = TRUE;
-        DeleteInputDeviceRequest(dev);
-
-        dev = *listHead;
-        while (dev != NULL && freedIds[dev->id])
-            dev = dev->next;
-    }
-}
-
-/**
- * Shut down all devices, free all resources, etc.
- * Only useful if you're shutting down the server!
- */
-void
-CloseDownDevices(void)
-{
-    DeviceIntPtr dev;
-
-    /* Float all SDs before closing them. Note that at this point resources
-     * (e.g. cursors) have been freed already, so we can't just call
-     * AttachDevice(NULL, dev, NULL). Instead, we have to forcibly set master
-     * to NULL and pretend nothing happened.
-     */
-    for (dev = inputInfo.devices; dev; dev = dev->next)
-    {
-        if (!IsMaster(dev) && !IsFloating(dev))
-            dev->master = NULL;
-    }
-
-    CloseDeviceList(&inputInfo.devices);
-    CloseDeviceList(&inputInfo.off_devices);
-
-    CloseDevice(inputInfo.pointer);
-    CloseDevice(inputInfo.keyboard);
-
-    inputInfo.devices = NULL;
-    inputInfo.off_devices = NULL;
-    inputInfo.keyboard = NULL;
-    inputInfo.pointer = NULL;
-    XkbDeleteRulesDflts();
-}
-
-/**
- * Remove the cursor sprite for all devices. This needs to be done before any
- * resources are freed or any device is deleted.
- */
-void
-UndisplayDevices(void)
-{
-    DeviceIntPtr dev;
-    ScreenPtr screen = screenInfo.screens[0];
-
-    for (dev = inputInfo.devices; dev; dev = dev->next)
-        screen->DisplayCursor(dev, screen, NullCursor);
-}
-
-/**
- * Remove a device from the device list, closes it and thus frees all
- * resources.
- * Removes both enabled and disabled devices and notifies all devices about
- * the removal of the device.
- *
- * No PresenceNotify is sent for device that the client never saw. This can
- * happen if a malloc fails during the addition of master devices. If
- * dev->init is FALSE it means the client never received a DeviceAdded event,
- * so let's not send a DeviceRemoved event either.
- *
- * @param sendevent True if an XI2 event should be sent.
- */
-int
-RemoveDevice(DeviceIntPtr dev, BOOL sendevent)
-{
-    DeviceIntPtr prev,tmp,next;
-    int ret = BadMatch;
-    ScreenPtr screen = screenInfo.screens[0];
-    int deviceid;
-    int initialized;
-    int flags[MAXDEVICES] = {0};
-
-    DebugF("(dix) removing device %d\n", dev->id);
-
-    if (!dev || dev == inputInfo.keyboard || dev == inputInfo.pointer)
-        return BadImplementation;
-
-    initialized = dev->inited;
-    deviceid = dev->id;
-
-    if (initialized)
-    {
-        if (DevHasCursor(dev))
-            screen->DisplayCursor(dev, screen, NullCursor);
-
-        DisableDevice(dev, sendevent);
-        flags[dev->id] = XIDeviceDisabled;
-    }
-
-    prev = NULL;
-    for (tmp = inputInfo.devices; tmp; (prev = tmp), (tmp = next)) {
-	next = tmp->next;
-	if (tmp == dev) {
-
-	    if (prev==NULL)
-		inputInfo.devices = next;
-	    else
-		prev->next = next;
-
-	    flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved;
-	    CloseDevice(tmp);
-	    ret = Success;
-	}
-    }
-
-    prev = NULL;
-    for (tmp = inputInfo.off_devices; tmp; (prev = tmp), (tmp = next)) {
-	next = tmp->next;
-	if (tmp == dev) {
-	    flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved;
-	    CloseDevice(tmp);
-
-	    if (prev == NULL)
-		inputInfo.off_devices = next;
-	    else
-		prev->next = next;
-
-            ret = Success;
-	}
-    }
-
-    if (ret == Success && initialized) {
-        inputInfo.numDevices--;
-        SendDevicePresenceEvent(deviceid, DeviceRemoved);
-        if (sendevent)
-            XISendDeviceHierarchyEvent(flags);
-    }
-
-    return ret;
-}
-
-int
-NumMotionEvents(void)
-{
-    /* only called to fill data in initial connection reply.
-     * VCP is ok here, it is the only fixed device we have. */
-    return inputInfo.pointer->valuator->numMotionEvents;
-}
-
-int
-dixLookupDevice(DeviceIntPtr *pDev, int id, ClientPtr client, Mask access_mode)
-{
-    DeviceIntPtr dev;
-    int rc;
-    *pDev = NULL;
-
-    for (dev=inputInfo.devices; dev; dev=dev->next) {
-        if (dev->id == id)
-            goto found;
-    }
-    for (dev=inputInfo.off_devices; dev; dev=dev->next) {
-        if (dev->id == id)
-	    goto found;
-    }
-    return BadDevice;
-
-found:
-    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode);
-    if (rc == Success)
-	*pDev = dev;
-    return rc;
-}
-
-void
-QueryMinMaxKeyCodes(KeyCode *minCode, KeyCode *maxCode)
-{
-    if (inputInfo.keyboard) {
-	*minCode = inputInfo.keyboard->key->xkbInfo->desc->min_key_code;
-	*maxCode = inputInfo.keyboard->key->xkbInfo->desc->max_key_code;
-    }
-}
-
-/* Notably, this function does not expand the destination's keycode range, or
- * notify clients. */
-Bool
-SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src)
-{
-    int i, j;
-    KeySym *tmp;
-    int rowDif = src->minKeyCode - dst->minKeyCode;
-
-    /* if keysym map size changes, grow map first */
-    if (src->mapWidth < dst->mapWidth) {
-        for (i = src->minKeyCode; i <= src->maxKeyCode; i++) {
-#define SI(r, c) (((r - src->minKeyCode) * src->mapWidth) + (c))
-#define DI(r, c) (((r - dst->minKeyCode) * dst->mapWidth) + (c))
-	    for (j = 0; j < src->mapWidth; j++)
-		dst->map[DI(i, j)] = src->map[SI(i, j)];
-	    for (j = src->mapWidth; j < dst->mapWidth; j++)
-		dst->map[DI(i, j)] = NoSymbol;
-#undef SI
-#undef DI
-	}
-	return TRUE;
-    }
-    else if (src->mapWidth > dst->mapWidth) {
-        i = sizeof(KeySym) * src->mapWidth *
-             (dst->maxKeyCode - dst->minKeyCode + 1);
-        tmp = calloc(sizeof(KeySym), i);
-        if (!tmp)
-            return FALSE;
-
-        if (dst->map) {
-            for (i = 0; i <= dst->maxKeyCode-dst->minKeyCode; i++)
-                memmove(&tmp[i * src->mapWidth], &dst->map[i * dst->mapWidth],
-                        dst->mapWidth * sizeof(KeySym));
-            free(dst->map);
-        }
-        dst->mapWidth = src->mapWidth;
-        dst->map = tmp;
-    }
-    else if (!dst->map) {
-        i = sizeof(KeySym) * src->mapWidth *
-             (dst->maxKeyCode - dst->minKeyCode + 1);
-        tmp = calloc(sizeof(KeySym), i);
-        if (!tmp)
-            return FALSE;
-
-        dst->map = tmp;
-        dst->mapWidth = src->mapWidth;
-    }
-
-    memmove(&dst->map[rowDif * dst->mapWidth], src->map,
-            (src->maxKeyCode - src->minKeyCode + 1) *
-            dst->mapWidth * sizeof(KeySym));
-
-    return TRUE;
-}
-
-Bool
-InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom* labels,
-                            CARD8 *map)
-{
-    ButtonClassPtr butc;
-    int i;
-
-    butc = calloc(1, sizeof(ButtonClassRec));
-    if (!butc)
-	return FALSE;
-    butc->numButtons = numButtons;
-    butc->sourceid = dev->id;
-    for (i = 1; i <= numButtons; i++)
-	butc->map[i] = map[i];
-    for (i = numButtons + 1; i < MAP_LENGTH; i++)
-        butc->map[i] = i;
-    memcpy(butc->labels, labels, numButtons * sizeof(Atom));
-    dev->button = butc;
-    return TRUE;
-}
-
-Bool
-InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels,
-                              int numMotionEvents, int mode)
-{
-    int i;
-    ValuatorClassPtr valc;
-    union align_u { ValuatorClassRec valc; double d; } *align;
-
-    if (!dev)
-        return FALSE;
-
-    if (numAxes > MAX_VALUATORS)
-    {
-        LogMessage(X_WARNING,
-                   "Device '%s' has %d axes, only using first %d.\n",
-                   dev->name, numAxes, MAX_VALUATORS);
-        numAxes = MAX_VALUATORS;
-    }
-
-    align = (union align_u *) calloc(1, sizeof(union align_u) +
-				     numAxes * sizeof(double) +
-				     numAxes * sizeof(AxisInfo));
-    if (!align)
-	return FALSE;
-
-    valc = &align->valc;
-    valc->sourceid = dev->id;
-    valc->motion = NULL;
-    valc->first_motion = 0;
-    valc->last_motion = 0;
-
-    valc->numMotionEvents = numMotionEvents;
-    valc->motionHintWindow = NullWindow;
-    valc->numAxes = numAxes;
-    valc->axisVal = (double *)(align + 1);
-    valc->axes = (AxisInfoPtr)(valc->axisVal + numAxes);
-
-    if (mode & OutOfProximity)
-        InitProximityClassDeviceStruct(dev);
-
-    dev->valuator = valc;
-
-    AllocateMotionHistory(dev);
-
-    for (i=0; i<numAxes; i++) {
-        InitValuatorAxisStruct(dev, i, labels[i], NO_AXIS_LIMITS, NO_AXIS_LIMITS,
-                               0, 0, 0, mode);
-	valc->axisVal[i]=0;
-    }
-
-    dev->last.numValuators = numAxes;
-
-    if (IsMaster(dev) || /* do not accelerate master or xtest devices */
-        IsXTestDevice(dev, NULL))
-	InitPointerAccelerationScheme(dev, PtrAccelNoOp);
-    else
-	InitPointerAccelerationScheme(dev, PtrAccelDefault);
-    return TRUE;
-}
-
-/* global list of acceleration schemes */
-ValuatorAccelerationRec pointerAccelerationScheme[] = {
-    {PtrAccelNoOp, NULL, NULL, NULL, NULL},
-    {PtrAccelPredictable, acceleratePointerPredictable, NULL,
-        InitPredictableAccelerationScheme, AccelerationDefaultCleanup},
-    {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL, NULL},
-    {-1, NULL, NULL, NULL, NULL} /* terminator */
-};
-
-/**
- * install an acceleration scheme. returns TRUE on success, and should not
- * change anything if unsuccessful.
- */
-Bool
-InitPointerAccelerationScheme(DeviceIntPtr dev,
-                              int scheme)
-{
-    int x, i = -1;
-    ValuatorClassPtr val;
-
-    val = dev->valuator;
-
-    if (!val)
-        return FALSE;
-
-    if (IsMaster(dev) && scheme != PtrAccelNoOp)
-        return FALSE;
-
-    for (x = 0; pointerAccelerationScheme[x].number >= 0; x++) {
-        if(pointerAccelerationScheme[x].number == scheme){
-            i = x;
-            break;
-        }
-    }
-
-    if (-1 == i)
-        return FALSE;
-
-    if (val->accelScheme.AccelCleanupProc)
-        val->accelScheme.AccelCleanupProc(dev);
-
-    if (pointerAccelerationScheme[i].AccelInitProc) {
-        if (!pointerAccelerationScheme[i].AccelInitProc(dev,
-                                            &pointerAccelerationScheme[i])) {
-            return FALSE;
-        }
-    } else {
-        val->accelScheme = pointerAccelerationScheme[i];
-    }
-    return TRUE;
-}
-
-Bool
-InitAbsoluteClassDeviceStruct(DeviceIntPtr dev)
-{
-    AbsoluteClassPtr abs;
-
-    abs = malloc(sizeof(AbsoluteClassRec));
-    if (!abs)
-        return FALSE;
-
-    /* we don't do anything sensible with these, but should */
-    abs->min_x = NO_AXIS_LIMITS;
-    abs->min_y = NO_AXIS_LIMITS;
-    abs->max_x = NO_AXIS_LIMITS;
-    abs->max_y = NO_AXIS_LIMITS;
-    abs->flip_x = 0;
-    abs->flip_y = 0;
-    abs->rotation = 0;
-    abs->button_threshold = 0;
-
-    abs->offset_x = 0;
-    abs->offset_y = 0;
-    abs->width = NO_AXIS_LIMITS;
-    abs->height = NO_AXIS_LIMITS;
-    abs->following = 0;
-    abs->screen = 0;
-
-    abs->sourceid = dev->id;
-
-    dev->absolute = abs;
-
-    return TRUE;
-}
-
-Bool
-InitFocusClassDeviceStruct(DeviceIntPtr dev)
-{
-    FocusClassPtr focc;
-
-    focc = malloc(sizeof(FocusClassRec));
-    if (!focc)
-	return FALSE;
-    focc->win = PointerRootWin;
-    focc->revert = None;
-    focc->time = currentTime;
-    focc->trace = (WindowPtr *)NULL;
-    focc->traceSize = 0;
-    focc->traceGood = 0;
-    focc->sourceid = dev->id;
-    dev->focus = focc;
-    return TRUE;
-}
-
-Bool
-InitPtrFeedbackClassDeviceStruct(DeviceIntPtr dev, PtrCtrlProcPtr controlProc)
-{
-    PtrFeedbackPtr feedc;
-
-    feedc = malloc(sizeof(PtrFeedbackClassRec));
-    if (!feedc)
-	return FALSE;
-    feedc->CtrlProc = controlProc;
-    feedc->ctrl = defaultPointerControl;
-    feedc->ctrl.id = 0;
-    if ( (feedc->next = dev->ptrfeed) )
-        feedc->ctrl.id = dev->ptrfeed->ctrl.id + 1;
-    dev->ptrfeed = feedc;
-    (*controlProc)(dev, &feedc->ctrl);
-    return TRUE;
-}
-
-
-static LedCtrl defaultLedControl = {
-	DEFAULT_LEDS, DEFAULT_LEDS_MASK, 0};
-
-static BellCtrl defaultBellControl = {
-	DEFAULT_BELL,
-	DEFAULT_BELL_PITCH,
-	DEFAULT_BELL_DURATION,
-	0};
-
-static IntegerCtrl defaultIntegerControl = {
-	DEFAULT_INT_RESOLUTION,
-	DEFAULT_INT_MIN_VALUE,
-	DEFAULT_INT_MAX_VALUE,
-	DEFAULT_INT_DISPLAYED,
-	0};
-
-Bool
-InitStringFeedbackClassDeviceStruct (
-      DeviceIntPtr dev, StringCtrlProcPtr controlProc,
-      int max_symbols, int num_symbols_supported, KeySym *symbols)
-{
-    int i;
-    StringFeedbackPtr feedc;
-
-    feedc = malloc(sizeof(StringFeedbackClassRec));
-    if (!feedc)
-	return FALSE;
-    feedc->CtrlProc = controlProc;
-    feedc->ctrl.num_symbols_supported = num_symbols_supported;
-    feedc->ctrl.num_symbols_displayed = 0;
-    feedc->ctrl.max_symbols = max_symbols;
-    feedc->ctrl.symbols_supported = malloc(sizeof (KeySym) * num_symbols_supported);
-    feedc->ctrl.symbols_displayed = malloc(sizeof (KeySym) * max_symbols);
-    if (!feedc->ctrl.symbols_supported || !feedc->ctrl.symbols_displayed)
-    {
-	free(feedc->ctrl.symbols_supported);
-	free(feedc->ctrl.symbols_displayed);
-	free(feedc);
-	return FALSE;
-    }
-    for (i=0; i<num_symbols_supported; i++)
-	*(feedc->ctrl.symbols_supported+i) = *symbols++;
-    for (i=0; i<max_symbols; i++)
-	*(feedc->ctrl.symbols_displayed+i) = (KeySym) 0;
-    feedc->ctrl.id = 0;
-    if ( (feedc->next = dev->stringfeed) )
-	feedc->ctrl.id = dev->stringfeed->ctrl.id + 1;
-    dev->stringfeed = feedc;
-    (*controlProc)(dev, &feedc->ctrl);
-    return TRUE;
-}
-
-Bool
-InitBellFeedbackClassDeviceStruct (DeviceIntPtr dev, BellProcPtr bellProc,
-                                   BellCtrlProcPtr controlProc)
-{
-    BellFeedbackPtr feedc;
-
-    feedc = malloc(sizeof(BellFeedbackClassRec));
-    if (!feedc)
-	return FALSE;
-    feedc->CtrlProc = controlProc;
-    feedc->BellProc = bellProc;
-    feedc->ctrl = defaultBellControl;
-    feedc->ctrl.id = 0;
-    if ( (feedc->next = dev->bell) )
-	feedc->ctrl.id = dev->bell->ctrl.id + 1;
-    dev->bell = feedc;
-    (*controlProc)(dev, &feedc->ctrl);
-    return TRUE;
-}
-
-Bool
-InitLedFeedbackClassDeviceStruct (DeviceIntPtr dev, LedCtrlProcPtr controlProc)
-{
-    LedFeedbackPtr feedc;
-
-    feedc = malloc(sizeof(LedFeedbackClassRec));
-    if (!feedc)
-	return FALSE;
-    feedc->CtrlProc = controlProc;
-    feedc->ctrl = defaultLedControl;
-    feedc->ctrl.id = 0;
-    if ( (feedc->next = dev->leds) )
-	feedc->ctrl.id = dev->leds->ctrl.id + 1;
-    feedc->xkb_sli= NULL;
-    dev->leds = feedc;
-    (*controlProc)(dev, &feedc->ctrl);
-    return TRUE;
-}
-
-Bool
-InitIntegerFeedbackClassDeviceStruct (DeviceIntPtr dev, IntegerCtrlProcPtr controlProc)
-{
-    IntegerFeedbackPtr feedc;
-
-    feedc = malloc(sizeof(IntegerFeedbackClassRec));
-    if (!feedc)
-	return FALSE;
-    feedc->CtrlProc = controlProc;
-    feedc->ctrl = defaultIntegerControl;
-    feedc->ctrl.id = 0;
-    if ( (feedc->next = dev->intfeed) )
-	feedc->ctrl.id = dev->intfeed->ctrl.id + 1;
-    dev->intfeed = feedc;
-    (*controlProc)(dev, &feedc->ctrl);
-    return TRUE;
-}
-
-Bool
-InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons, Atom* btn_labels,
-                        PtrCtrlProcPtr controlProc, int numMotionEvents,
-                        int numAxes, Atom *axes_labels)
-{
-    DeviceIntPtr dev = (DeviceIntPtr)device;
-
-    return(InitButtonClassDeviceStruct(dev, numButtons, btn_labels, map) &&
-	   InitValuatorClassDeviceStruct(dev, numAxes, axes_labels,
-					 numMotionEvents, Relative) &&
-	   InitPtrFeedbackClassDeviceStruct(dev, controlProc));
-}
-
-/*
- * Check if the given buffer contains elements between low (inclusive) and
- * high (inclusive) only.
- *
- * @return TRUE if the device map is invalid, FALSE otherwise.
- */
-Bool
-BadDeviceMap(BYTE *buff, int length, unsigned low, unsigned high, XID *errval)
-{
-    int i;
-
-    for (i = 0; i < length; i++)
-	if (buff[i])		       /* only check non-zero elements */
-	{
-	    if ((low > buff[i]) || (high < buff[i]))
-	    {
-		*errval = buff[i];
-		return TRUE;
-	    }
-	}
-    return FALSE;
-}
-
-int
-ProcSetModifierMapping(ClientPtr client)
-{
-    xSetModifierMappingReply rep;
-    int rc;
-    REQUEST(xSetModifierMappingReq);
-    REQUEST_AT_LEAST_SIZE(xSetModifierMappingReq);
-
-    if (client->req_len != ((stuff->numKeyPerModifier << 1) +
-                bytes_to_int32(sizeof(xSetModifierMappingReq))))
-	return BadLength;
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    rc = change_modmap(client, PickKeyboard(client), (KeyCode *)&stuff[1],
-                       stuff->numKeyPerModifier);
-    if (rc == MappingFailed || rc == -1)
-        return BadValue;
-    if (rc != Success && rc != MappingSuccess && rc != MappingFailed &&
-        rc != MappingBusy)
-	return rc;
-
-    rep.success = rc;
-
-    WriteReplyToClient(client, sizeof(xSetModifierMappingReply), &rep);
-    return Success;
-}
-
-int
-ProcGetModifierMapping(ClientPtr client)
-{
-    xGetModifierMappingReply rep;
-    int max_keys_per_mod = 0;
-    KeyCode *modkeymap = NULL;
-    REQUEST_SIZE_MATCH(xReq);
-
-    generate_modkeymap(client, PickKeyboard(client), &modkeymap,
-                       &max_keys_per_mod);
-
-    memset(&rep, 0, sizeof(xGetModifierMappingReply));
-    rep.type = X_Reply;
-    rep.numKeyPerModifier = max_keys_per_mod;
-    rep.sequenceNumber = client->sequence;
-    /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */
-    rep.length = max_keys_per_mod << 1;
-
-    WriteReplyToClient(client, sizeof(xGetModifierMappingReply), &rep);
-    (void)WriteToClient(client, max_keys_per_mod * 8, (char *) modkeymap);
-
-    free(modkeymap);
-
-    return Success;
-}
-
-int
-ProcChangeKeyboardMapping(ClientPtr client)
-{
-    REQUEST(xChangeKeyboardMappingReq);
-    unsigned len;
-    KeySymsRec keysyms;
-    DeviceIntPtr pDev, tmp;
-    int rc;
-    REQUEST_AT_LEAST_SIZE(xChangeKeyboardMappingReq);
-
-    len = client->req_len - bytes_to_int32(sizeof(xChangeKeyboardMappingReq));
-    if (len != (stuff->keyCodes * stuff->keySymsPerKeyCode))
-            return BadLength;
-
-    pDev = PickKeyboard(client);
-
-    if ((stuff->firstKeyCode < pDev->key->xkbInfo->desc->min_key_code) ||
-	(stuff->firstKeyCode > pDev->key->xkbInfo->desc->max_key_code)) {
-	    client->errorValue = stuff->firstKeyCode;
-	    return BadValue;
-
-    }
-    if (((unsigned)(stuff->firstKeyCode + stuff->keyCodes - 1) >
-          pDev->key->xkbInfo->desc->max_key_code) ||
-        (stuff->keySymsPerKeyCode == 0)) {
-	    client->errorValue = stuff->keySymsPerKeyCode;
-	    return BadValue;
-    }
-
-    keysyms.minKeyCode = stuff->firstKeyCode;
-    keysyms.maxKeyCode = stuff->firstKeyCode + stuff->keyCodes - 1;
-    keysyms.mapWidth = stuff->keySymsPerKeyCode;
-    keysyms.map = (KeySym *) &stuff[1];
-
-    rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);
-    if (rc != Success)
-        return rc;
-
-    XkbApplyMappingChange(pDev, &keysyms, stuff->firstKeyCode,
-                          stuff->keyCodes, NULL, client);
-
-    for (tmp = inputInfo.devices; tmp; tmp = tmp->next) {
-        if (IsMaster(tmp) || GetMaster(tmp, MASTER_KEYBOARD) != pDev)
-            continue;
-        if (!tmp->key)
-            continue;
-
-        rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);
-        if (rc != Success)
-            continue;
-
-        XkbApplyMappingChange(tmp, &keysyms, stuff->firstKeyCode,
-                              stuff->keyCodes, NULL, client);
-    }
-
-    return Success;
-}
-
-int
-ProcSetPointerMapping(ClientPtr client)
-{
-    BYTE *map;
-    int ret;
-    int i, j;
-    DeviceIntPtr ptr = PickPointer(client);
-    xSetPointerMappingReply rep;
-    REQUEST(xSetPointerMappingReq);
-    REQUEST_AT_LEAST_SIZE(xSetPointerMappingReq);
-
-    if (client->req_len !=
-            bytes_to_int32(sizeof(xSetPointerMappingReq) + stuff->nElts))
-	return BadLength;
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.success = MappingSuccess;
-    map = (BYTE *)&stuff[1];
-
-    /* So we're bounded here by the number of core buttons.  This check
-     * probably wants disabling through XFixes. */
-    /* MPX: With ClientPointer, we can return the right number of buttons.
-     * Let's just hope nobody changed ClientPointer between GetPointerMapping
-     * and SetPointerMapping
-     */
-    if (stuff->nElts != ptr->button->numButtons) {
-	client->errorValue = stuff->nElts;
-	return BadValue;
-    }
-
-    /* Core protocol specs don't allow for duplicate mappings; this check
-     * almost certainly wants disabling through XFixes too. */
-    for (i = 0; i < stuff->nElts; i++) {
-        for (j = i + 1; j < stuff->nElts; j++) {
-            if (map[i] && map[i] == map[j]) {
-                client->errorValue = map[i];
-                return BadValue;
-            }
-        }
-    }
-
-    ret = ApplyPointerMapping(ptr, map, stuff->nElts, client);
-    if (ret == MappingBusy)
-        rep.success = ret;
-    else if (ret == -1)
-        return BadValue;
-    else if (ret != Success)
-        return ret;
-
-    WriteReplyToClient(client, sizeof(xSetPointerMappingReply), &rep);
-    return Success;
-}
-
-int
-ProcGetKeyboardMapping(ClientPtr client)
-{
-    xGetKeyboardMappingReply rep;
-    DeviceIntPtr kbd = PickKeyboard(client);
-    XkbDescPtr xkb;
-    KeySymsPtr syms;
-    int rc;
-    REQUEST(xGetKeyboardMappingReq);
-    REQUEST_SIZE_MATCH(xGetKeyboardMappingReq);
-
-    rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess);
-    if (rc != Success)
-	return rc;
-
-    xkb = kbd->key->xkbInfo->desc;
-
-    if ((stuff->firstKeyCode < xkb->min_key_code) ||
-        (stuff->firstKeyCode > xkb->max_key_code)) {
-	client->errorValue = stuff->firstKeyCode;
-	return BadValue;
-    }
-    if (stuff->firstKeyCode + stuff->count > xkb->max_key_code + 1) {
-	client->errorValue = stuff->count;
-        return BadValue;
-    }
-
-    syms = XkbGetCoreMap(kbd);
-    if (!syms)
-        return BadAlloc;
-
-    memset(&rep, 0, sizeof(xGetKeyboardMappingReply));
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.keySymsPerKeyCode = syms->mapWidth;
-    /* length is a count of 4 byte quantities and KeySyms are 4 bytes */
-    rep.length = syms->mapWidth * stuff->count;
-    WriteReplyToClient(client, sizeof(xGetKeyboardMappingReply), &rep);
-    client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write;
-    WriteSwappedDataToClient(client,
-                             syms->mapWidth * stuff->count * sizeof(KeySym),
-                             &syms->map[syms->mapWidth * (stuff->firstKeyCode -
-                                                          syms->minKeyCode)]);
-    free(syms->map);
-    free(syms);
-
-    return Success;
-}
-
-int
-ProcGetPointerMapping(ClientPtr client)
-{
-    xGetPointerMappingReply rep;
-    /* Apps may get different values each time they call GetPointerMapping as
-     * the ClientPointer could change. */
-    DeviceIntPtr ptr = PickPointer(client);
-    ButtonClassPtr butc = ptr->button;
-    int rc;
-    REQUEST_SIZE_MATCH(xReq);
-
-    rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess);
-    if (rc != Success)
-	return rc;
-
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.nElts = (butc) ? butc->numButtons : 0;
-    rep.length = ((unsigned)rep.nElts + (4-1))/4;
-    WriteReplyToClient(client, sizeof(xGetPointerMappingReply), &rep);
-    if (butc)
-        WriteToClient(client, (int)rep.nElts, (char *)&butc->map[1]);
-    return Success;
-}
-
-void
-NoteLedState(DeviceIntPtr keybd, int led, Bool on)
-{
-    KeybdCtrl *ctrl = &keybd->kbdfeed->ctrl;
-    if (on)
-	ctrl->leds |= ((Leds)1 << (led - 1));
-    else
-	ctrl->leds &= ~((Leds)1 << (led - 1));
-}
-
-int
-Ones(unsigned long mask)             /* HACKMEM 169 */
-{
-    unsigned long y;
-
-    y = (mask >> 1) &033333333333;
-    y = mask - y - ((y >>1) & 033333333333);
-    return (((y + (y >> 3)) & 030707070707) % 077);
-}
-
-static int
-DoChangeKeyboardControl (ClientPtr client, DeviceIntPtr keybd, XID *vlist,
-                         BITS32 vmask)
-{
-#define DO_ALL    (-1)
-    KeybdCtrl ctrl;
-    int t;
-    int led = DO_ALL;
-    int key = DO_ALL;
-    BITS32 index2;
-    int mask = vmask, i;
-    XkbEventCauseRec cause;
-
-    ctrl = keybd->kbdfeed->ctrl;
-    while (vmask) {
-	index2 = (BITS32) lowbit (vmask);
-	vmask &= ~index2;
-	switch (index2) {
-	case KBKeyClickPercent:
-	    t = (INT8)*vlist;
-	    vlist++;
-	    if (t == -1) {
-		t = defaultKeyboardControl.click;
-            }
-	    else if (t < 0 || t > 100) {
-		client->errorValue = t;
-		return BadValue;
-	    }
-	    ctrl.click = t;
-	    break;
-	case KBBellPercent:
-	    t = (INT8)*vlist;
-	    vlist++;
-	    if (t == -1) {
-		t = defaultKeyboardControl.bell;
-            }
-	    else if (t < 0 || t > 100) {
-		client->errorValue = t;
-		return BadValue;
-	    }
-	    ctrl.bell = t;
-	    break;
-	case KBBellPitch:
-	    t = (INT16)*vlist;
-	    vlist++;
-	    if (t == -1) {
-		t = defaultKeyboardControl.bell_pitch;
-            }
-	    else if (t < 0) {
-		client->errorValue = t;
-		return BadValue;
-	    }
-	    ctrl.bell_pitch = t;
-	    break;
-	case KBBellDuration:
-	    t = (INT16)*vlist;
-	    vlist++;
-	    if (t == -1)
-		t = defaultKeyboardControl.bell_duration;
-	    else if (t < 0) {
-		client->errorValue = t;
-		return BadValue;
-	    }
-	    ctrl.bell_duration = t;
-	    break;
-	case KBLed:
-	    led = (CARD8)*vlist;
-	    vlist++;
-	    if (led < 1 || led > 32) {
-		client->errorValue = led;
-		return BadValue;
-	    }
-	    if (!(mask & KBLedMode))
-		return BadMatch;
-	    break;
-	case KBLedMode:
-	    t = (CARD8)*vlist;
-	    vlist++;
-	    if (t == LedModeOff) {
-		if (led == DO_ALL)
-		    ctrl.leds = 0x0;
-		else
-		    ctrl.leds &= ~(((Leds)(1)) << (led - 1));
-	    }
-	    else if (t == LedModeOn) {
-		if (led == DO_ALL)
-		    ctrl.leds = ~0L;
-		else
-		    ctrl.leds |= (((Leds)(1)) << (led - 1));
-	    }
-	    else {
-		client->errorValue = t;
-		return BadValue;
-	    }
-
-            XkbSetCauseCoreReq(&cause,X_ChangeKeyboardControl,client);
-            XkbSetIndicators(keybd,((led == DO_ALL) ? ~0L : (1L<<(led-1))),
- 			     ctrl.leds, &cause);
-            ctrl.leds = keybd->kbdfeed->ctrl.leds;
-
-	    break;
-	case KBKey:
-	    key = (KeyCode)*vlist;
-	    vlist++;
-	    if ((KeyCode)key < keybd->key->xkbInfo->desc->min_key_code ||
-		(KeyCode)key > keybd->key->xkbInfo->desc->max_key_code) {
-		client->errorValue = key;
-		return BadValue;
-	    }
-	    if (!(mask & KBAutoRepeatMode))
-		return BadMatch;
-	    break;
-	case KBAutoRepeatMode:
-	    i = (key >> 3);
-	    mask = (1 << (key & 7));
-	    t = (CARD8)*vlist;
-	    vlist++;
-            if (key != DO_ALL)
-                XkbDisableComputedAutoRepeats(keybd,key);
-	    if (t == AutoRepeatModeOff) {
-		if (key == DO_ALL)
-		    ctrl.autoRepeat = FALSE;
-		else
-		    ctrl.autoRepeats[i] &= ~mask;
-	    }
-	    else if (t == AutoRepeatModeOn) {
-		if (key == DO_ALL)
-		    ctrl.autoRepeat = TRUE;
-		else
-		    ctrl.autoRepeats[i] |= mask;
-	    }
-	    else if (t == AutoRepeatModeDefault) {
-		if (key == DO_ALL)
-		    ctrl.autoRepeat = defaultKeyboardControl.autoRepeat;
-		else
-		    ctrl.autoRepeats[i] =
-			    (ctrl.autoRepeats[i] & ~mask) |
-			    (defaultKeyboardControl.autoRepeats[i] & mask);
-	    }
-	    else {
-		client->errorValue = t;
-		return BadValue;
-	    }
-	    break;
-	default:
-	    client->errorValue = mask;
-	    return BadValue;
-	}
-    }
-    keybd->kbdfeed->ctrl = ctrl;
-
-    /* The XKB RepeatKeys control and core protocol global autorepeat */
-    /* value are linked	*/
-    XkbSetRepeatKeys(keybd, key, keybd->kbdfeed->ctrl.autoRepeat);
-
-    return Success;
-
-#undef DO_ALL
-}
-
-/**
- * Changes kbd control on the ClientPointer and all attached SDs.
- */
-int
-ProcChangeKeyboardControl (ClientPtr client)
-{
-    XID *vlist;
-    BITS32 vmask;
-    int ret = Success, error = Success;
-    DeviceIntPtr pDev = NULL, keyboard;
-    REQUEST(xChangeKeyboardControlReq);
-
-    REQUEST_AT_LEAST_SIZE(xChangeKeyboardControlReq);
-
-    vmask = stuff->mask;
-    vlist = (XID *)&stuff[1];
-
-    if (client->req_len != (sizeof(xChangeKeyboardControlReq)>>2)+Ones(vmask))
-	return BadLength;
-
-    keyboard = PickKeyboard(client);
-
-    for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
-        if ((pDev == keyboard ||
-	     (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard))
-	    && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) {
-            ret = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);
-	    if (ret != Success)
-                return ret;
-        }
-    }
-
-    for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
-        if ((pDev == keyboard ||
-	     (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard))
-	    && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) {
-            ret = DoChangeKeyboardControl(client, pDev, vlist, vmask);
-            if (ret != Success)
-                error = ret;
-        }
-    }
-
-    return error;
-}
-
-int
-ProcGetKeyboardControl (ClientPtr client)
-{
-    int rc, i;
-    DeviceIntPtr kbd = PickKeyboard(client);
-    KeybdCtrl *ctrl = &kbd->kbdfeed->ctrl;
-    xGetKeyboardControlReply rep;
-    REQUEST_SIZE_MATCH(xReq);
-
-    rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess);
-    if (rc != Success)
-	return rc;
-
-    rep.type = X_Reply;
-    rep.length = 5;
-    rep.sequenceNumber = client->sequence;
-    rep.globalAutoRepeat = ctrl->autoRepeat;
-    rep.keyClickPercent = ctrl->click;
-    rep.bellPercent = ctrl->bell;
-    rep.bellPitch = ctrl->bell_pitch;
-    rep.bellDuration = ctrl->bell_duration;
-    rep.ledMask = ctrl->leds;
-    for (i = 0; i < 32; i++)
-	rep.map[i] = ctrl->autoRepeats[i];
-    WriteReplyToClient(client, sizeof(xGetKeyboardControlReply), &rep);
-    return Success;
-}
-
-int
-ProcBell(ClientPtr client)
-{
-    DeviceIntPtr dev, keybd = PickKeyboard(client);
-    int base = keybd->kbdfeed->ctrl.bell;
-    int newpercent;
-    int rc;
-    REQUEST(xBellReq);
-    REQUEST_SIZE_MATCH(xBellReq);
-
-    if (stuff->percent < -100 || stuff->percent > 100) {
-	client->errorValue = stuff->percent;
-	return BadValue;
-    }
-
-    newpercent = (base * stuff->percent) / 100;
-    if (stuff->percent < 0)
-        newpercent = base + newpercent;
-    else
-	newpercent = base - newpercent + stuff->percent;
-
-    for (dev = inputInfo.devices; dev; dev = dev->next) {
-        if ((dev == keybd ||
-	     (!IsMaster(dev) && GetMaster(dev, MASTER_KEYBOARD) == keybd)) &&
-            dev->kbdfeed && dev->kbdfeed->BellProc) {
-
-	    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixBellAccess);
-	    if (rc != Success)
-		return rc;
-            XkbHandleBell(FALSE, FALSE, dev, newpercent,
-                          &dev->kbdfeed->ctrl, 0, None, NULL, client);
-        }
-    }
-
-    return Success;
-}
-
-int
-ProcChangePointerControl(ClientPtr client)
-{
-    DeviceIntPtr dev, mouse = PickPointer(client);
-    PtrCtrl ctrl;		/* might get BadValue part way through */
-    int rc;
-    REQUEST(xChangePointerControlReq);
-    REQUEST_SIZE_MATCH(xChangePointerControlReq);
-
-    ctrl = mouse->ptrfeed->ctrl;
-    if ((stuff->doAccel != xTrue) && (stuff->doAccel != xFalse)) {
-	client->errorValue = stuff->doAccel;
-	return BadValue;
-    }
-    if ((stuff->doThresh != xTrue) && (stuff->doThresh != xFalse)) {
-	client->errorValue = stuff->doThresh;
-	return BadValue;
-    }
-    if (stuff->doAccel) {
-	if (stuff->accelNum == -1) {
-	    ctrl.num = defaultPointerControl.num;
-        }
-	else if (stuff->accelNum < 0) {
-	    client->errorValue = stuff->accelNum;
-	    return BadValue;
-	}
-	else {
-            ctrl.num = stuff->accelNum;
-        }
-
-	if (stuff->accelDenum == -1) {
-	    ctrl.den = defaultPointerControl.den;
-        }
-	else if (stuff->accelDenum <= 0) {
-	    client->errorValue = stuff->accelDenum;
-	    return BadValue;
-	}
-	else {
-            ctrl.den = stuff->accelDenum;
-        }
-    }
-    if (stuff->doThresh) {
-	if (stuff->threshold == -1) {
-	    ctrl.threshold = defaultPointerControl.threshold;
-        }
-	else if (stuff->threshold < 0) {
-	    client->errorValue = stuff->threshold;
-	    return BadValue;
-	}
-	else {
-            ctrl.threshold = stuff->threshold;
-        }
-    }
-
-    for (dev = inputInfo.devices; dev; dev = dev->next) {
-        if ((dev == mouse ||
-	     (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) &&
-            dev->ptrfeed) {
-	    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);
-	    if (rc != Success)
-		return rc;
-	}
-    }
-
-    for (dev = inputInfo.devices; dev; dev = dev->next) {
-        if ((dev == mouse ||
-	     (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) &&
-            dev->ptrfeed) {
-            dev->ptrfeed->ctrl = ctrl;
-        }
-    }
-
-    return Success;
-}
-
-int
-ProcGetPointerControl(ClientPtr client)
-{
-    DeviceIntPtr ptr = PickPointer(client);
-    PtrCtrl *ctrl = &ptr->ptrfeed->ctrl;
-    xGetPointerControlReply rep;
-    int rc;
-    REQUEST_SIZE_MATCH(xReq);
-
-    rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess);
-    if (rc != Success)
-	return rc;
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.threshold = ctrl->threshold;
-    rep.accelNumerator = ctrl->num;
-    rep.accelDenominator = ctrl->den;
-    WriteReplyToClient(client, sizeof(xGenericReply), &rep);
-    return Success;
-}
-
-void
-MaybeStopHint(DeviceIntPtr dev, ClientPtr client)
-{
-    GrabPtr grab = dev->deviceGrab.grab;
-
-    if ((grab && SameClient(grab, client) &&
-	 ((grab->eventMask & PointerMotionHintMask) ||
-	  (grab->ownerEvents &&
-	   (EventMaskForClient(dev->valuator->motionHintWindow, client) &
-	    PointerMotionHintMask)))) ||
-	(!grab &&
-	 (EventMaskForClient(dev->valuator->motionHintWindow, client) &
-	  PointerMotionHintMask)))
-	dev->valuator->motionHintWindow = NullWindow;
-}
-
-int
-ProcGetMotionEvents(ClientPtr client)
-{
-    WindowPtr pWin;
-    xTimecoord * coords = (xTimecoord *) NULL;
-    xGetMotionEventsReply rep;
-    int i, count, xmin, xmax, ymin, ymax, rc;
-    unsigned long nEvents;
-    DeviceIntPtr mouse = PickPointer(client);
-    TimeStamp start, stop;
-    REQUEST(xGetMotionEventsReq);
-    REQUEST_SIZE_MATCH(xGetMotionEventsReq);
-
-    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
-    if (rc != Success)
-	return rc;
-    rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess);
-    if (rc != Success)
-	return rc;
-
-    if (mouse->valuator->motionHintWindow)
-	MaybeStopHint(mouse, client);
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    nEvents = 0;
-    start = ClientTimeToServerTime(stuff->start);
-    stop = ClientTimeToServerTime(stuff->stop);
-    if ((CompareTimeStamps(start, stop) != LATER) &&
-	(CompareTimeStamps(start, currentTime) != LATER) &&
-	mouse->valuator->numMotionEvents)
-    {
-	if (CompareTimeStamps(stop, currentTime) == LATER)
-	    stop = currentTime;
-	count = GetMotionHistory(mouse, &coords, start.milliseconds,
-				 stop.milliseconds, pWin->drawable.pScreen,
-                                 TRUE);
-	xmin = pWin->drawable.x - wBorderWidth (pWin);
-	xmax = pWin->drawable.x + (int)pWin->drawable.width +
-		wBorderWidth (pWin);
-	ymin = pWin->drawable.y - wBorderWidth (pWin);
-	ymax = pWin->drawable.y + (int)pWin->drawable.height +
-		wBorderWidth (pWin);
-	for (i = 0; i < count; i++)
-	    if ((xmin <= coords[i].x) && (coords[i].x < xmax) &&
-		    (ymin <= coords[i].y) && (coords[i].y < ymax))
-	    {
-		coords[nEvents].time = coords[i].time;
-		coords[nEvents].x = coords[i].x - pWin->drawable.x;
-		coords[nEvents].y = coords[i].y - pWin->drawable.y;
-		nEvents++;
-	    }
-    }
-    rep.length = nEvents * bytes_to_int32(sizeof(xTimecoord));
-    rep.nEvents = nEvents;
-    WriteReplyToClient(client, sizeof(xGetMotionEventsReply), &rep);
-    if (nEvents)
-    {
-	client->pSwapReplyFunc = (ReplySwapPtr) SwapTimeCoordWrite;
-	WriteSwappedDataToClient(client, nEvents * sizeof(xTimecoord),
-				 (char *)coords);
-    }
-    free(coords);
-    return Success;
-}
-
-int
-ProcQueryKeymap(ClientPtr client)
-{
-    xQueryKeymapReply rep;
-    int rc, i;
-    DeviceIntPtr keybd = PickKeyboard(client);
-    CARD8 *down = keybd->key->down;
-
-    REQUEST_SIZE_MATCH(xReq);
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.length = 2;
-
-    rc = XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess);
-    if (rc != Success && rc != BadAccess)
-	return rc;
-
-    for (i = 0; i<32; i++)
-	rep.map[i] = down[i];
-
-    if (rc == BadAccess)
-	memset(rep.map, 0, 32);
-
-    WriteReplyToClient(client, sizeof(xQueryKeymapReply), &rep);
-
-   return Success;
-}
-
-
-/**
- * Recalculate the number of buttons for the master device. The number of
- * buttons on the master device is equal to the number of buttons on the
- * slave device with the highest number of buttons.
- */
-static void
-RecalculateMasterButtons(DeviceIntPtr slave)
-{
-    DeviceIntPtr dev, master;
-    int maxbuttons = 0;
-
-    if (!slave->button || IsMaster(slave))
-        return;
-
-    master = GetMaster(slave, MASTER_POINTER);
-    if (!master)
-        return;
-
-    for (dev = inputInfo.devices; dev; dev = dev->next)
-    {
-        if (IsMaster(dev) ||
-            GetMaster(dev, MASTER_ATTACHED) != master ||
-            !dev->button)
-            continue;
-
-        maxbuttons = max(maxbuttons, dev->button->numButtons);
-    }
-
-    if (master->button && master->button->numButtons != maxbuttons)
-    {
-        int i;
-        DeviceChangedEvent event;
-
-        memset(&event, 0, sizeof(event));
-
-        master->button->numButtons = maxbuttons;
-
-        event.header = ET_Internal;
-        event.type = ET_DeviceChanged;
-        event.time = GetTimeInMillis();
-        event.deviceid = master->id;
-        event.flags = DEVCHANGE_POINTER_EVENT | DEVCHANGE_DEVICE_CHANGE;
-        event.buttons.num_buttons = maxbuttons;
-        memcpy(&event.buttons.names, master->button->labels, maxbuttons *
-                sizeof(Atom));
-
-        if (master->valuator)
-        {
-            event.num_valuators = master->valuator->numAxes;
-            for (i = 0; i < event.num_valuators; i++)
-            {
-                event.valuators[i].min = master->valuator->axes[i].min_value;
-                event.valuators[i].max = master->valuator->axes[i].max_value;
-                event.valuators[i].resolution = master->valuator->axes[i].resolution;
-                event.valuators[i].mode = master->valuator->axes[i].mode;
-                event.valuators[i].name = master->valuator->axes[i].label;
-            }
-        }
-
-        if (master->key)
-        {
-            event.keys.min_keycode = master->key->xkbInfo->desc->min_key_code;
-            event.keys.max_keycode = master->key->xkbInfo->desc->max_key_code;
-        }
-
-        XISendDeviceChangedEvent(master, master, &event);
-    }
-}
-
-/**
- * Generate release events for all keys/button currently down on this
- * device.
- */
-static void
-ReleaseButtonsAndKeys(DeviceIntPtr dev)
-{
-    EventListPtr        eventlist = InitEventList(GetMaximumEventsNum());
-    ButtonClassPtr      b = dev->button;
-    KeyClassPtr         k = dev->key;
-    int                 i, j, nevents;
-
-    if (!eventlist) /* no release events for you */
-        return;
-
-    /* Release all buttons */
-    for (i = 0; b && i < b->numButtons; i++)
-    {
-        if (BitIsOn(b->down, i))
-        {
-            nevents = GetPointerEvents(eventlist, dev, ButtonRelease, i, 0, NULL);
-            for (j = 0; j < nevents; j++)
-                mieqProcessDeviceEvent(dev, (InternalEvent*)(eventlist+j)->event, NULL);
-        }
-    }
-
-    /* Release all keys */
-    for (i = 0; k && i < MAP_LENGTH; i++)
-    {
-        if (BitIsOn(k->down, i))
-        {
-            nevents = GetKeyboardEvents(eventlist, dev, KeyRelease, i);
-            for (j = 0; j < nevents; j++)
-                mieqProcessDeviceEvent(dev, (InternalEvent*)(eventlist+j)->event, NULL);
-        }
-    }
-
-    FreeEventList(eventlist, GetMaximumEventsNum());
-}
-
-/**
- * Attach device 'dev' to device 'master'.
- * Client is set to the client that issued the request, or NULL if it comes
- * from some internal automatic pairing.
- *
- * Master may be NULL to set the device floating.
- *
- * We don't allow multi-layer hierarchies right now. You can't attach a slave
- * to another slave.
- */
-int
-AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master)
-{
-    ScreenPtr screen;
-    DeviceIntPtr oldmaster;
-    if (!dev || IsMaster(dev))
-        return BadDevice;
-
-    if (master && !IsMaster(master)) /* can't attach to slaves */
-        return BadDevice;
-
-    /* set from floating to floating? */
-    if (IsFloating(dev) && !master && dev->enabled)
-        return Success;
-
-    /* free the existing sprite. */
-    if (IsFloating(dev) && dev->spriteInfo->paired == dev)
-    {
-        screen = miPointerGetScreen(dev);
-        screen->DeviceCursorCleanup(dev, screen);
-        free(dev->spriteInfo->sprite);
-    }
-
-    ReleaseButtonsAndKeys(dev);
-
-    oldmaster = GetMaster(dev, MASTER_ATTACHED);
-    dev->master = master;
-
-    /* If device is set to floating, we need to create a sprite for it,
-     * otherwise things go bad. However, we don't want to render the cursor,
-     * so we reset spriteOwner.
-     * Sprite has to be forced to NULL first, otherwise InitializeSprite won't
-     * alloc new memory but overwrite the previous one.
-     */
-    if (!master)
-    {
-        WindowPtr currentRoot;
-
-        if (dev->spriteInfo->sprite)
-            currentRoot = GetCurrentRootWindow(dev);
-        else /* new device auto-set to floating */
-            currentRoot = screenInfo.screens[0]->root;
-
-        /* we need to init a fake sprite */
-        screen = currentRoot->drawable.pScreen;
-        screen->DeviceCursorInitialize(dev, screen);
-        dev->spriteInfo->sprite = NULL;
-        InitializeSprite(dev, currentRoot);
-        dev->spriteInfo->spriteOwner = FALSE;
-        dev->spriteInfo->paired = dev;
-    } else
-    {
-        dev->spriteInfo->sprite = master->spriteInfo->sprite;
-        dev->spriteInfo->paired = master;
-        dev->spriteInfo->spriteOwner = FALSE;
-
-        RecalculateMasterButtons(master);
-    }
-
-    /* XXX: in theory, the MD should change back to its old, original
-     * classes when the last SD is detached. Thanks to the XTEST devices,
-     * we'll always have an SD attached until the MD is removed.
-     * So let's not worry about that.
-     */
-
-    return Success;
-}
-
-/**
- * Return the device paired with the given device or NULL.
- * Returns the device paired with the parent master if the given device is a
- * slave device.
- */
-DeviceIntPtr
-GetPairedDevice(DeviceIntPtr dev)
-{
-    if (!IsMaster(dev) && !IsFloating(dev))
-        dev = GetMaster(dev, MASTER_ATTACHED);
-
-    return dev->spriteInfo->paired;
-}
-
-
-/**
- * Returns the right master for the type of event needed. If the event is a
- * keyboard event.
- * This function may be called with a master device as argument. If so, the
- * returned master is either the device itself or the paired master device.
- * If dev is a floating slave device, NULL is returned.
- *
- * @type ::MASTER_KEYBOARD or ::MASTER_POINTER or ::MASTER_ATTACHED
- * @return The requested master device. In the case of MASTER_ATTACHED, this
- * is the directly attached master to this device, regardless of the type.
- * Otherwise, it is either the master keyboard or pointer for this device.
- */
-DeviceIntPtr
-GetMaster(DeviceIntPtr dev, int which)
-{
-    DeviceIntPtr master;
-
-    if (IsMaster(dev))
-        master = dev;
-    else
-        master = dev->master;
-
-    if (master && which != MASTER_ATTACHED)
-    {
-        if (which == MASTER_KEYBOARD)
-        {
-            if (master->type != MASTER_KEYBOARD)
-                master = GetPairedDevice(master);
-        } else
-        {
-            if (master->type != MASTER_POINTER)
-                master = GetPairedDevice(master);
-        }
-    }
-
-    return master;
-}
-
-/**
- * Create a new device pair (== one pointer, one keyboard device).
- * Only allocates the devices, you will need to call ActivateDevice() and
- * EnableDevice() manually.
- * Either a master or a slave device can be created depending on
- * the value for master.
- */
-int
-AllocDevicePair (ClientPtr client, char* name,
-                 DeviceIntPtr* ptr,
-                 DeviceIntPtr* keybd,
-                 DeviceProc ptr_proc,
-                 DeviceProc keybd_proc,
-                 Bool master)
-{
-    DeviceIntPtr pointer;
-    DeviceIntPtr keyboard;
-    *ptr = *keybd = NULL;
-
-    pointer = AddInputDevice(client, ptr_proc, TRUE);
-    if (!pointer)
-        return BadAlloc;
-
-    if (asprintf(&pointer->name, "%s pointer", name) == -1) {
-        pointer->name = NULL;
-        RemoveDevice(pointer, FALSE);
-        return BadAlloc;
-    }
-
-    pointer->public.processInputProc = ProcessOtherEvent;
-    pointer->public.realInputProc = ProcessOtherEvent;
-    XkbSetExtension(pointer, ProcessPointerEvent);
-    pointer->deviceGrab.ActivateGrab = ActivatePointerGrab;
-    pointer->deviceGrab.DeactivateGrab = DeactivatePointerGrab;
-    pointer->coreEvents = TRUE;
-    pointer->spriteInfo->spriteOwner = TRUE;
-
-    pointer->lastSlave = NULL;
-    pointer->last.slave = NULL;
-    pointer->type = (master) ? MASTER_POINTER : SLAVE;
-
-    keyboard = AddInputDevice(client, keybd_proc, TRUE);
-    if (!keyboard)
-    {
-        RemoveDevice(pointer, FALSE);
-        return BadAlloc;
-    }
-
-    if (asprintf(&keyboard->name, "%s keyboard", name) == -1) {
-        keyboard->name = NULL;
-        RemoveDevice(keyboard, FALSE);
-        RemoveDevice(pointer, FALSE);
-        return BadAlloc;
-    }
-
-    keyboard->public.processInputProc = ProcessOtherEvent;
-    keyboard->public.realInputProc = ProcessOtherEvent;
-    XkbSetExtension(keyboard, ProcessKeyboardEvent);
-    keyboard->deviceGrab.ActivateGrab = ActivateKeyboardGrab;
-    keyboard->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab;
-    keyboard->coreEvents = TRUE;
-    keyboard->spriteInfo->spriteOwner = FALSE;
-
-    keyboard->lastSlave = NULL;
-    keyboard->last.slave = NULL;
-    keyboard->type = (master) ? MASTER_KEYBOARD : SLAVE;
-
-    /* The ClassesRec stores the device classes currently not used. */
-    pointer->unused_classes = calloc(1, sizeof(ClassesRec));
-    keyboard->unused_classes = calloc(1, sizeof(ClassesRec));
-
-    *ptr = pointer;
-    *keybd = keyboard;
-
-    return Success;
-}
-
-/**
- * Return Relative or Absolute for the device.
- */
-int valuator_get_mode(DeviceIntPtr dev, int axis)
-{
-    return (dev->valuator->axes[axis].mode & DeviceMode);
-}
-
-/**
- * Set the given mode for the axis. If axis is VALUATOR_MODE_ALL_AXES, then
- * set the mode for all axes.
- */
-void valuator_set_mode(DeviceIntPtr dev, int axis, int mode)
-{
-    if (axis != VALUATOR_MODE_ALL_AXES)
-        dev->valuator->axes[axis].mode = mode;
-    else {
-        int i;
-        for (i = 0; i < dev->valuator->numAxes; i++)
-            dev->valuator->axes[i].mode = mode;
-    }
-}
+/************************************************************

+

+Copyright 1987, 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 1987 by Digital Equipment Corporation, Maynard, Massachusetts.

+

+                        All Rights Reserved

+

+Permission to use, copy, modify, and distribute this software and its

+documentation for any purpose and without fee is hereby granted,

+provided that the above copyright notice appear in all copies and that

+both that copyright notice and this permission notice appear in

+supporting documentation, and that the name of Digital not be

+used in advertising or publicity pertaining to distribution of the

+software without specific, written prior permission.

+

+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING

+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL

+DIGITAL 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.

+

+********************************************************/

+

+

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include <X11/X.h>

+#include "misc.h"

+#include "resource.h"

+#include <X11/Xproto.h>

+#include <X11/Xatom.h>

+#include "windowstr.h"

+#include "inputstr.h"

+#include "scrnintstr.h"

+#include "cursorstr.h"

+#include "dixstruct.h"

+#include "ptrveloc.h"

+#include "site.h"

+#include "xkbsrv.h"

+#include "privates.h"

+#include "xace.h"

+#include "mi.h"

+

+#include "dispatch.h"

+#include "swaprep.h"

+#include "dixevents.h"

+#include "mipointer.h"

+#include "eventstr.h"

+

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

+#include <X11/extensions/XI2.h>

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

+#include <math.h>

+#include <pixman.h>

+#include "exglobals.h"

+#include "exevents.h"

+#include "xiquerydevice.h" /* for SizeDeviceClasses */

+#include "xiproperty.h"

+#include "enterleave.h" /* for EnterWindow() */

+#include "xserver-properties.h"

+#include "xichangehierarchy.h" /* For XISendDeviceHierarchyEvent */

+

+/** @file

+ * This file handles input device-related stuff.

+ */

+

+static void RecalculateMasterButtons(DeviceIntPtr slave);

+

+static void

+DeviceSetTransform(DeviceIntPtr dev, float *transform)

+{

+    struct pixman_f_transform scale;

+    double sx, sy;

+    int x, y;

+

+    /**

+     * calculate combined transformation matrix:

+     *

+     * M = InvScale * Transform * Scale

+     *

+     * So we can later transform points using M * p

+     *

+     * Where:

+     *  Scale scales coordinates into 0..1 range

+     *  Transform is the user supplied (affine) transform

+     *  InvScale scales coordinates back up into their native range

+     */

+    sx = dev->valuator->axes[0].max_value - dev->valuator->axes[0].min_value;

+    sy = dev->valuator->axes[1].max_value - dev->valuator->axes[1].min_value;

+

+    /* invscale */

+    pixman_f_transform_init_scale(&scale, sx, sy);

+    scale.m[0][2] = dev->valuator->axes[0].min_value;

+    scale.m[1][2] = dev->valuator->axes[1].min_value;

+

+    /* transform */

+    for (y=0; y<3; y++)

+        for (x=0; x<3; x++)

+            dev->transform.m[y][x] = *transform++;

+

+    pixman_f_transform_multiply(&dev->transform, &scale, &dev->transform);

+

+    /* scale */

+    pixman_f_transform_init_scale(&scale, 1.0 / sx, 1.0 / sy);

+    scale.m[0][2] = -dev->valuator->axes[0].min_value / sx;

+    scale.m[1][2] = -dev->valuator->axes[1].min_value / sy;

+

+    pixman_f_transform_multiply(&dev->transform, &dev->transform, &scale);

+}

+

+/**

+ * DIX property handler.

+ */

+static int

+DeviceSetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop,

+                  BOOL checkonly)

+{

+    if (property == XIGetKnownProperty(XI_PROP_ENABLED))

+    {

+        if (prop->format != 8 || prop->type != XA_INTEGER || prop->size != 1)

+            return BadValue;

+

+        /* Don't allow disabling of VCP/VCK */

+        if ((dev == inputInfo.pointer || dev == inputInfo.keyboard) &&

+            !(*(CARD8*)prop->data))

+            return BadAccess;

+

+        if (!checkonly)

+        {

+            if ((*((CARD8*)prop->data)) && !dev->enabled)

+                EnableDevice(dev, TRUE);

+            else if (!(*((CARD8*)prop->data)) && dev->enabled)

+                DisableDevice(dev, TRUE);

+        }

+    } else if (property == XIGetKnownProperty(XI_PROP_TRANSFORM))

+    {

+        float *f = (float*)prop->data;

+        int i;

+

+        if (prop->format != 32 || prop->size != 9 ||

+            prop->type != XIGetKnownProperty(XATOM_FLOAT))

+            return BadValue;

+

+        for (i=0; i<9; i++)

+            if (!isfinite(f[i]))

+                return BadValue;

+

+        if (!checkonly)

+            DeviceSetTransform(dev, f);

+    }

+

+    return Success;

+}

+

+/* Pair the keyboard to the pointer device. Keyboard events will follow the

+ * pointer sprite. Only applicable for master devices.

+ * If the client is set, the request to pair comes from some client. In this

+ * case, we need to check for access. If the client is NULL, it's from an

+ * internal automatic pairing, we must always permit this.

+ */

+static int

+PairDevices(ClientPtr client, DeviceIntPtr ptr, DeviceIntPtr kbd)

+{

+    if (!ptr)

+        return BadDevice;

+

+    /* Don't allow pairing for slave devices */

+    if (!IsMaster(ptr) || !IsMaster(kbd))

+        return BadDevice;

+

+    if (ptr->spriteInfo->paired)

+        return BadDevice;

+

+    if (kbd->spriteInfo->spriteOwner)

+    {

+        free(kbd->spriteInfo->sprite);

+        kbd->spriteInfo->sprite = NULL;

+        kbd->spriteInfo->spriteOwner = FALSE;

+    }

+

+    kbd->spriteInfo->sprite = ptr->spriteInfo->sprite;

+    kbd->spriteInfo->paired = ptr;

+    ptr->spriteInfo->paired = kbd;

+    return Success;

+}

+

+

+/**

+ * Find and return the next unpaired MD pointer device.

+ */

+static DeviceIntPtr

+NextFreePointerDevice(void)

+{

+    DeviceIntPtr dev;

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

+        if (IsMaster(dev) &&

+                dev->spriteInfo->spriteOwner &&

+                !dev->spriteInfo->paired)

+            return dev;

+    return NULL;

+}

+

+/**

+ * Create a new input device and init it to sane values. The device is added

+ * to the server's off_devices list.

+ *

+ * @param deviceProc Callback for device control function (switch dev on/off).

+ * @return The newly created device.

+ */

+DeviceIntPtr

+AddInputDevice(ClientPtr client, DeviceProc deviceProc, Bool autoStart)

+{

+    DeviceIntPtr dev, *prev; /* not a typo */

+    DeviceIntPtr devtmp;

+    int devid;

+    char devind[MAXDEVICES];

+    BOOL enabled;

+    float transform[9];

+

+    /* Find next available id, 0 and 1 are reserved */

+    memset(devind, 0, sizeof(char)*MAXDEVICES);

+    for (devtmp = inputInfo.devices; devtmp; devtmp = devtmp->next)

+	devind[devtmp->id]++;

+    for (devtmp = inputInfo.off_devices; devtmp; devtmp = devtmp->next)

+	devind[devtmp->id]++;

+    for (devid = 2; devid < MAXDEVICES && devind[devid]; devid++)

+	;

+

+    if (devid >= MAXDEVICES)

+	return (DeviceIntPtr)NULL;

+    dev =  _dixAllocateObjectWithPrivates(sizeof(DeviceIntRec) + sizeof(SpriteInfoRec),

+					  sizeof(DeviceIntRec) + sizeof(SpriteInfoRec),

+					  offsetof(DeviceIntRec, devPrivates), PRIVATE_DEVICE);

+    if (!dev)

+	return (DeviceIntPtr)NULL;

+    dev->id = devid;

+    dev->public.processInputProc = ProcessOtherEvent;

+    dev->public.realInputProc = ProcessOtherEvent;

+    dev->public.enqueueInputProc = EnqueueEvent;

+    dev->deviceProc = deviceProc;

+    dev->startup = autoStart;

+

+    /* device grab defaults */

+    dev->deviceGrab.grabTime = currentTime;

+    dev->deviceGrab.ActivateGrab = ActivateKeyboardGrab;

+    dev->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab;

+

+    XkbSetExtension(dev, ProcessKeyboardEvent);

+

+    dev->coreEvents = TRUE;

+

+    /* sprite defaults */

+    dev->spriteInfo = (SpriteInfoPtr)&dev[1];

+

+    /*  security creation/labeling check

+     */

+    if (XaceHook(XACE_DEVICE_ACCESS, client, dev, DixCreateAccess)) {

+	free(dev);

+	return NULL;

+    }

+

+    inputInfo.numDevices++;

+

+    for (prev = &inputInfo.off_devices; *prev; prev = &(*prev)->next)

+        ;

+    *prev = dev;

+    dev->next = NULL;

+

+    enabled = FALSE;

+    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),

+                           XA_INTEGER, 8, PropModeReplace, 1, &enabled,

+                           FALSE);

+    XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_ENABLED), FALSE);

+

+    /* unity matrix */

+    memset(transform, 0, sizeof(transform));

+    transform[0] = transform[4] = transform[8] = 1.0f;

+

+    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_TRANSFORM),

+                           XIGetKnownProperty(XATOM_FLOAT), 32,

+                           PropModeReplace, 9, transform, FALSE);

+    XISetDevicePropertyDeletable(dev, XIGetKnownProperty(XI_PROP_TRANSFORM),

+                                 FALSE);

+

+    XIRegisterPropertyHandler(dev, DeviceSetProperty, NULL, NULL);

+

+    return dev;

+}

+

+void

+SendDevicePresenceEvent(int deviceid, int type)

+{

+    DeviceIntRec dummyDev;

+    devicePresenceNotify ev;

+

+    memset(&dummyDev, 0, sizeof(DeviceIntRec));

+    ev.type = DevicePresenceNotify;

+    ev.time = currentTime.milliseconds;

+    ev.devchange = type;

+    ev.deviceid = deviceid;

+    dummyDev.id = XIAllDevices;

+    SendEventToAllWindows(&dummyDev, DevicePresenceNotifyMask,

+                          (xEvent*)&ev, 1);

+}

+

+/**

+ * Enable the device through the driver, add the device to the device list.

+ * Switch device ON through the driver and push it onto the global device

+ * list. Initialize the DIX sprite or pair the device. All clients are

+ * notified about the device being enabled.

+ *

+ * A master pointer device needs to be enabled before a master keyboard

+ * device.

+ *

+ * @param The device to be enabled.

+ * @param sendevent True if an XI2 event should be sent.

+ * @return TRUE on success or FALSE otherwise.

+ */

+Bool

+EnableDevice(DeviceIntPtr dev, BOOL sendevent)

+{

+    DeviceIntPtr *prev;

+    int ret;

+    DeviceIntPtr other;

+    BOOL enabled;

+    int flags[MAXDEVICES] = {0};

+

+    for (prev = &inputInfo.off_devices;

+	 *prev && (*prev != dev);

+	 prev = &(*prev)->next)

+	;

+

+    if (!dev->spriteInfo->sprite)

+    {

+        if (IsMaster(dev))

+        {

+            /* Sprites appear on first root window, so we can hardcode it */

+            if (dev->spriteInfo->spriteOwner)

+            {

+                InitializeSprite(dev, screenInfo.screens[0]->root);

+                                                 /* mode doesn't matter */

+                EnterWindow(dev, screenInfo.screens[0]->root, NotifyAncestor);

+            }

+            else if ((other = NextFreePointerDevice()) == NULL)

+            {

+                ErrorF("[dix] cannot find pointer to pair with. "

+                       "This is a bug.\n");

+                return FALSE;

+            } else

+                PairDevices(NULL, other, dev);

+        } else

+        {

+            if (dev->coreEvents)

+                other = (IsPointerDevice(dev)) ? inputInfo.pointer :

+                    inputInfo.keyboard;

+            else

+                other = NULL; /* auto-float non-core devices */

+            AttachDevice(NULL, dev, other);

+        }

+    }

+

+    if ((*prev != dev) || !dev->inited ||

+	((ret = (*dev->deviceProc)(dev, DEVICE_ON)) != Success)) {

+        ErrorF("[dix] couldn't enable device %d\n", dev->id);

+	return FALSE;

+    }

+    dev->enabled = TRUE;

+    *prev = dev->next;

+

+    for (prev = &inputInfo.devices; *prev; prev = &(*prev)->next)

+        ;

+    *prev = dev;

+    dev->next = NULL;

+

+    enabled = TRUE;

+    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),

+                           XA_INTEGER, 8, PropModeReplace, 1, &enabled,

+                           TRUE);

+

+    SendDevicePresenceEvent(dev->id, DeviceEnabled);

+    if (sendevent)

+    {

+        flags[dev->id] |= XIDeviceEnabled;

+        XISendDeviceHierarchyEvent(flags);

+    }

+

+    RecalculateMasterButtons(dev);

+

+    return TRUE;

+}

+

+/**

+ * Switch a device off through the driver and push it onto the off_devices

+ * list. A device will not send events while disabled. All clients are

+ * notified about the device being disabled.

+ *

+ * Master keyboard devices have to be disabled before master pointer devices

+ * otherwise things turn bad.

+ *

+ * @param sendevent True if an XI2 event should be sent.

+ * @return TRUE on success or FALSE otherwise.

+ */

+Bool

+DisableDevice(DeviceIntPtr dev, BOOL sendevent)

+{

+    DeviceIntPtr *prev, other;

+    BOOL enabled;

+    int flags[MAXDEVICES] = {0};

+

+    for (prev = &inputInfo.devices;

+	 *prev && (*prev != dev);

+	 prev = &(*prev)->next)

+	;

+    if (*prev != dev)

+	return FALSE;

+

+    /* float attached devices */

+    if (IsMaster(dev))

+    {

+        for (other = inputInfo.devices; other; other = other->next)

+        {

+            if (!IsMaster(other) && GetMaster(other, MASTER_ATTACHED) == dev)

+            {

+                AttachDevice(NULL, other, NULL);

+                flags[other->id] |= XISlaveDetached;

+            }

+        }

+    }

+    else

+    {

+        for (other = inputInfo.devices; other; other = other->next)

+        {

+	    if (IsMaster(other) && other->lastSlave == dev)

+		other->lastSlave = NULL;

+	}

+    }

+

+    if (IsMaster(dev) && dev->spriteInfo->sprite)

+    {

+        for (other = inputInfo.devices; other; other = other->next)

+        {

+            if (other->spriteInfo->paired == dev)

+            {

+                ErrorF("[dix] cannot disable device, still paired. "

+                        "This is a bug. \n");

+                return FALSE;

+            }

+        }

+    }

+

+    (void)(*dev->deviceProc)(dev, DEVICE_OFF);

+    dev->enabled = FALSE;

+

+    /* now that the device is disabled, we can reset the signal handler's

+     * last.slave */

+    OsBlockSignals();

+    for (other = inputInfo.devices; other; other = other->next)

+    {

+        if (other->last.slave == dev)

+            other->last.slave = NULL;

+    }

+    OsReleaseSignals();

+

+    LeaveWindow(dev);

+    SetFocusOut(dev);

+

+    *prev = dev->next;

+    dev->next = inputInfo.off_devices;

+    inputInfo.off_devices = dev;

+

+    enabled = FALSE;

+    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_ENABLED),

+                           XA_INTEGER, 8, PropModeReplace, 1, &enabled,

+                           TRUE);

+

+    SendDevicePresenceEvent(dev->id, DeviceDisabled);

+    if (sendevent)

+    {

+        flags[dev->id] = XIDeviceDisabled;

+        XISendDeviceHierarchyEvent(flags);

+    }

+

+    RecalculateMasterButtons(dev);

+

+    return TRUE;

+}

+

+/**

+ * Initialise a new device through the driver and tell all clients about the

+ * new device.

+ *

+ * Must be called before EnableDevice.

+ * The device will NOT send events until it is enabled!

+ *

+ * @param sendevent True if an XI2 event should be sent.

+ * @return Success or an error code on failure.

+ */

+int

+ActivateDevice(DeviceIntPtr dev, BOOL sendevent)

+{

+    int ret = Success;

+    ScreenPtr pScreen = screenInfo.screens[0];

+

+    if (!dev || !dev->deviceProc)

+        return BadImplementation;

+

+    ret = (*dev->deviceProc) (dev, DEVICE_INIT);

+    dev->inited = (ret == Success);

+    if (!dev->inited)

+        return ret;

+

+    /* Initialize memory for sprites. */

+    if (IsMaster(dev) && dev->spriteInfo->spriteOwner)

+        if (!pScreen->DeviceCursorInitialize(dev, pScreen))

+            ret = BadAlloc;

+

+    SendDevicePresenceEvent(dev->id, DeviceAdded);

+    if (sendevent)

+    {

+        int flags[MAXDEVICES] = {0};

+        flags[dev->id] = XISlaveAdded;

+        XISendDeviceHierarchyEvent(flags);

+    }

+    return ret;

+}

+

+/**

+ * Ring the bell.

+ * The actual task of ringing the bell is the job of the DDX.

+ */

+static void

+CoreKeyboardBell(int volume, DeviceIntPtr pDev, pointer arg, int something)

+{

+    KeybdCtrl *ctrl = arg;

+

+    DDXRingBell(volume, ctrl->bell_pitch, ctrl->bell_duration);

+}

+

+static void

+CoreKeyboardCtl(DeviceIntPtr pDev, KeybdCtrl *ctrl)

+{

+    return;

+}

+

+/**

+ * Device control function for the Virtual Core Keyboard.

+ */

+int

+CoreKeyboardProc(DeviceIntPtr pDev, int what)

+{

+

+    switch (what) {

+    case DEVICE_INIT:

+        if (!InitKeyboardDeviceStruct(pDev, NULL, CoreKeyboardBell,

+                                      CoreKeyboardCtl))

+        {

+            ErrorF("Keyboard initialization failed. This could be a missing "

+                   "or incorrect setup of xkeyboard-config.\n");

+            return BadValue;

+        }

+        return Success;

+

+    case DEVICE_ON:

+    case DEVICE_OFF:

+        return Success;

+

+    case DEVICE_CLOSE:

+        return Success;

+    }

+

+    return BadMatch;

+}

+

+/**

+ * Device control function for the Virtual Core Pointer.

+ */

+int

+CorePointerProc(DeviceIntPtr pDev, int what)

+{

+#define NBUTTONS 10

+#define NAXES 2

+    BYTE map[NBUTTONS + 1];

+    int i = 0;

+    Atom btn_labels[NBUTTONS] = {0};

+    Atom axes_labels[NAXES] = {0};

+

+    switch (what) {

+    case DEVICE_INIT:

+        for (i = 1; i <= NBUTTONS; i++)

+            map[i] = i;

+

+	btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);

+	btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);

+	btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);

+	btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP);

+	btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN);

+	btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT);

+	btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT);

+	/* don't know about the rest */

+

+	axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);

+	axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);

+

+        if (!InitPointerDeviceStruct((DevicePtr)pDev, map, NBUTTONS, btn_labels,

+                                (PtrCtrlProcPtr)NoopDDA,

+                                GetMotionHistorySize(), NAXES, axes_labels))

+        {

+            ErrorF("Could not initialize device '%s'. Out of memory.\n",

+                   pDev->name);

+            return BadAlloc; /* IPDS only fails on allocs */

+        }

+        pDev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;

+        pDev->last.valuators[0] = pDev->valuator->axisVal[0];

+        pDev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;

+        pDev->last.valuators[1] = pDev->valuator->axisVal[1];

+        break;

+

+    case DEVICE_CLOSE:

+        break;

+

+    default:

+        break;

+    }

+

+    return Success;

+

+#undef NBUTTONS

+#undef NAXES

+}

+

+/**

+ * Initialise the two core devices, VCP and VCK (see events.c).

+ * Both devices are not tied to physical devices, but guarantee that there is

+ * always a keyboard and a pointer present and keep the protocol semantics.

+ *

+ * Note that the server MUST have two core devices at all times, even if there

+ * is no physical device connected.

+ */

+void

+InitCoreDevices(void)

+{

+    if (AllocDevicePair(serverClient, "Virtual core",

+                        &inputInfo.pointer, &inputInfo.keyboard,

+                        CorePointerProc, CoreKeyboardProc,

+                        TRUE) != Success)

+        FatalError("Failed to allocate core devices");

+

+    if (ActivateDevice(inputInfo.pointer, TRUE) != Success ||

+        ActivateDevice(inputInfo.keyboard, TRUE) != Success)

+        FatalError("Failed to activate core devices.");

+    if (!EnableDevice(inputInfo.pointer, TRUE) ||

+        !EnableDevice(inputInfo.keyboard, TRUE))

+        FatalError("Failed to enable core devices.");

+

+    InitXTestDevices();

+}

+

+/**

+ * Activate all switched-off devices and then enable all those devices.

+ *

+ * Will return an error if no core keyboard or core pointer is present.

+ * In theory this should never happen if you call InitCoreDevices() first.

+ *

+ * InitAndStartDevices needs to be called AFTER the windows are initialized.

+ * Devices will start sending events after InitAndStartDevices() has

+ * completed.

+ *

+ * @return Success or error code on failure.

+ */

+int

+InitAndStartDevices(void)

+{

+    DeviceIntPtr dev, next;

+

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

+        DebugF("(dix) initialising device %d\n", dev->id);

+        if (!dev->inited)

+            ActivateDevice(dev, TRUE);

+    }

+

+    /* enable real devices */

+    for (dev = inputInfo.off_devices; dev; dev = next)

+    {

+        DebugF("(dix) enabling device %d\n", dev->id);

+	next = dev->next;

+	if (dev->inited && dev->startup)

+	    EnableDevice(dev, TRUE);

+    }

+

+    return Success;

+}

+

+/**

+ * Free the given device class and reset the pointer to NULL.

+ */

+static void

+FreeDeviceClass(int type, pointer *class)

+{

+    if (!(*class))

+        return;

+

+    switch(type)

+    {

+        case KeyClass:

+            {

+                KeyClassPtr* k = (KeyClassPtr*)class;

+                if ((*k)->xkbInfo)

+                {

+                    XkbFreeInfo((*k)->xkbInfo);

+                    (*k)->xkbInfo = NULL;

+                }

+                free((*k));

+                break;

+            }

+        case ButtonClass:

+            {

+                ButtonClassPtr *b = (ButtonClassPtr*)class;

+                free((*b)->xkb_acts);

+                free((*b));

+                break;

+            }

+        case ValuatorClass:

+            {

+                ValuatorClassPtr *v = (ValuatorClassPtr*)class;

+

+                free((*v)->motion);

+                free((*v));

+                break;

+            }

+        case FocusClass:

+            {

+                FocusClassPtr *f = (FocusClassPtr*)class;

+                free((*f)->trace);

+                free((*f));

+                break;

+            }

+        case ProximityClass:

+            {

+                ProximityClassPtr *p = (ProximityClassPtr*)class;

+                free((*p));

+                break;

+            }

+    }

+    *class = NULL;

+}

+

+static void

+FreeFeedbackClass(int type, pointer *class)

+{

+    if (!(*class))

+        return;

+

+    switch(type)

+    {

+        case KbdFeedbackClass:

+            {

+                KbdFeedbackPtr *kbdfeed = (KbdFeedbackPtr*)class;

+                KbdFeedbackPtr k, knext;

+                for (k = (*kbdfeed); k; k = knext) {

+                    knext = k->next;

+                    if (k->xkb_sli)

+                        XkbFreeSrvLedInfo(k->xkb_sli);

+                    free(k);

+                }

+                break;

+            }

+        case PtrFeedbackClass:

+            {

+                PtrFeedbackPtr *ptrfeed = (PtrFeedbackPtr*)class;

+                PtrFeedbackPtr p, pnext;

+

+                for (p = (*ptrfeed); p; p = pnext) {

+                    pnext = p->next;

+                    free(p);

+                }

+                break;

+            }

+        case IntegerFeedbackClass:

+            {

+                IntegerFeedbackPtr *intfeed = (IntegerFeedbackPtr*)class;

+                IntegerFeedbackPtr i, inext;

+

+                for (i = (*intfeed); i; i = inext) {

+                    inext = i->next;

+                    free(i);

+                }

+                break;

+            }

+        case StringFeedbackClass:

+            {

+                StringFeedbackPtr *stringfeed = (StringFeedbackPtr*)class;

+                StringFeedbackPtr s, snext;

+

+                for (s = (*stringfeed); s; s = snext) {

+                    snext = s->next;

+                    free(s->ctrl.symbols_supported);

+                    free(s->ctrl.symbols_displayed);

+                    free(s);

+                }

+                break;

+            }

+        case BellFeedbackClass:

+            {

+                BellFeedbackPtr *bell = (BellFeedbackPtr*)class;

+                BellFeedbackPtr b, bnext;

+

+                for (b = (*bell); b; b = bnext) {

+                    bnext = b->next;

+                    free(b);

+                }

+                break;

+            }

+        case LedFeedbackClass:

+            {

+                LedFeedbackPtr *leds = (LedFeedbackPtr*)class;

+                LedFeedbackPtr l, lnext;

+

+                for (l = (*leds); l; l = lnext) {

+                    lnext = l->next;

+                    if (l->xkb_sli)

+                        XkbFreeSrvLedInfo(l->xkb_sli);

+                    free(l);

+                }

+                break;

+            }

+    }

+    *class = NULL;

+}

+

+static void

+FreeAllDeviceClasses(ClassesPtr classes)

+{

+    if (!classes)

+        return;

+

+    FreeDeviceClass(KeyClass, (pointer)&classes->key);

+    FreeDeviceClass(ValuatorClass, (pointer)&classes->valuator);

+    FreeDeviceClass(ButtonClass, (pointer)&classes->button);

+    FreeDeviceClass(FocusClass, (pointer)&classes->focus);

+    FreeDeviceClass(ProximityClass, (pointer)&classes->proximity);

+

+    FreeFeedbackClass(KbdFeedbackClass, (pointer)&classes->kbdfeed);

+    FreeFeedbackClass(PtrFeedbackClass, (pointer)&classes->ptrfeed);

+    FreeFeedbackClass(IntegerFeedbackClass, (pointer)&classes->intfeed);

+    FreeFeedbackClass(StringFeedbackClass, (pointer)&classes->stringfeed);

+    FreeFeedbackClass(BellFeedbackClass, (pointer)&classes->bell);

+    FreeFeedbackClass(LedFeedbackClass, (pointer)&classes->leds);

+

+}

+

+/**

+ * Close down a device and free all resources.

+ * Once closed down, the driver will probably not expect you that you'll ever

+ * enable it again and free associated structs. If you want the device to just

+ * be disabled, DisableDevice().

+ * Don't call this function directly, use RemoveDevice() instead.

+ */

+static void

+CloseDevice(DeviceIntPtr dev)

+{

+    ScreenPtr screen = screenInfo.screens[0];

+    ClassesPtr classes;

+    int j;

+

+    if (!dev)

+        return;

+

+    XIDeleteAllDeviceProperties(dev);

+

+    if (dev->inited)

+	(void)(*dev->deviceProc)(dev, DEVICE_CLOSE);

+

+    /* free sprite memory */

+    if (IsMaster(dev) && dev->spriteInfo->sprite)

+        screen->DeviceCursorCleanup(dev, screen);

+

+    /* free acceleration info */

+    if(dev->valuator && dev->valuator->accelScheme.AccelCleanupProc)

+	dev->valuator->accelScheme.AccelCleanupProc(dev);

+

+    while (dev->xkb_interest)

+	XkbRemoveResourceClient((DevicePtr)dev,dev->xkb_interest->resource);

+

+    free(dev->name);

+

+    classes = (ClassesPtr)&dev->key;

+    FreeAllDeviceClasses(classes);

+

+    if (IsMaster(dev))

+    {

+        classes = dev->unused_classes;

+        FreeAllDeviceClasses(classes);

+	free(classes);

+    }

+

+    if (DevHasCursor(dev) && dev->spriteInfo->sprite) {

+	if (dev->spriteInfo->sprite->current)

+	    FreeCursor(dev->spriteInfo->sprite->current, None);

+        free(dev->spriteInfo->sprite->spriteTrace);

+        free(dev->spriteInfo->sprite);

+    }

+

+    /* a client may have the device set as client pointer */

+    for (j = 0; j < currentMaxClients; j++)

+    {

+        if (clients[j] && clients[j]->clientPtr == dev)

+        {

+            clients[j]->clientPtr = NULL;

+            clients[j]->clientPtr = PickPointer(clients[j]);

+        }

+    }

+

+    free(dev->deviceGrab.sync.event);

+    free(dev->config_info);     /* Allocated in xf86ActivateDevice. */

+    dev->config_info = NULL;

+    dixFreeObjectWithPrivates(dev, PRIVATE_DEVICE);

+}

+

+/**

+ * Shut down all devices of one list and free all resources.

+ */

+static

+void

+CloseDeviceList(DeviceIntPtr *listHead)

+{

+    /* Used to mark devices that we tried to free */

+    Bool freedIds[MAXDEVICES];

+    DeviceIntPtr dev;

+    int i;

+

+    if (listHead == NULL)

+        return;

+

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

+        freedIds[i] = FALSE;

+

+    dev = *listHead;

+    while (dev != NULL)

+    {

+        freedIds[dev->id] = TRUE;

+        DeleteInputDeviceRequest(dev);

+

+        dev = *listHead;

+        while (dev != NULL && freedIds[dev->id])

+            dev = dev->next;

+    }

+}

+

+/**

+ * Shut down all devices, free all resources, etc.

+ * Only useful if you're shutting down the server!

+ */

+void

+CloseDownDevices(void)

+{

+    DeviceIntPtr dev;

+

+    /* Float all SDs before closing them. Note that at this point resources

+     * (e.g. cursors) have been freed already, so we can't just call

+     * AttachDevice(NULL, dev, NULL). Instead, we have to forcibly set master

+     * to NULL and pretend nothing happened.

+     */

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

+    {

+        if (!IsMaster(dev) && !IsFloating(dev))

+            dev->master = NULL;

+    }

+

+    CloseDeviceList(&inputInfo.devices);

+    CloseDeviceList(&inputInfo.off_devices);

+

+    CloseDevice(inputInfo.pointer);

+    CloseDevice(inputInfo.keyboard);

+

+    inputInfo.devices = NULL;

+    inputInfo.off_devices = NULL;

+    inputInfo.keyboard = NULL;

+    inputInfo.pointer = NULL;

+    XkbDeleteRulesDflts();

+}

+

+/**

+ * Remove the cursor sprite for all devices. This needs to be done before any

+ * resources are freed or any device is deleted.

+ */

+void

+UndisplayDevices(void)

+{

+    DeviceIntPtr dev;

+    ScreenPtr screen = screenInfo.screens[0];

+

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

+        screen->DisplayCursor(dev, screen, NullCursor);

+}

+

+/**

+ * Remove a device from the device list, closes it and thus frees all

+ * resources.

+ * Removes both enabled and disabled devices and notifies all devices about

+ * the removal of the device.

+ *

+ * No PresenceNotify is sent for device that the client never saw. This can

+ * happen if a malloc fails during the addition of master devices. If

+ * dev->init is FALSE it means the client never received a DeviceAdded event,

+ * so let's not send a DeviceRemoved event either.

+ *

+ * @param sendevent True if an XI2 event should be sent.

+ */

+int

+RemoveDevice(DeviceIntPtr dev, BOOL sendevent)

+{

+    DeviceIntPtr prev,tmp,next;

+    int ret = BadMatch;

+    ScreenPtr screen = screenInfo.screens[0];

+    int deviceid;

+    int initialized;

+    int flags[MAXDEVICES] = {0};

+

+    DebugF("(dix) removing device %d\n", dev->id);

+

+    if (!dev || dev == inputInfo.keyboard || dev == inputInfo.pointer)

+        return BadImplementation;

+

+    initialized = dev->inited;

+    deviceid = dev->id;

+

+    if (initialized)

+    {

+        if (DevHasCursor(dev))

+            screen->DisplayCursor(dev, screen, NullCursor);

+

+        DisableDevice(dev, sendevent);

+        flags[dev->id] = XIDeviceDisabled;

+    }

+

+    prev = NULL;

+    for (tmp = inputInfo.devices; tmp; (prev = tmp), (tmp = next)) {

+	next = tmp->next;

+	if (tmp == dev) {

+

+	    if (prev==NULL)

+		inputInfo.devices = next;

+	    else

+		prev->next = next;

+

+	    flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved;

+	    CloseDevice(tmp);

+	    ret = Success;

+	}

+    }

+

+    prev = NULL;

+    for (tmp = inputInfo.off_devices; tmp; (prev = tmp), (tmp = next)) {

+	next = tmp->next;

+	if (tmp == dev) {

+	    flags[tmp->id] = IsMaster(tmp) ? XIMasterRemoved : XISlaveRemoved;

+	    CloseDevice(tmp);

+

+	    if (prev == NULL)

+		inputInfo.off_devices = next;

+	    else

+		prev->next = next;

+

+            ret = Success;

+	}

+    }

+

+    if (ret == Success && initialized) {

+        inputInfo.numDevices--;

+        SendDevicePresenceEvent(deviceid, DeviceRemoved);

+        if (sendevent)

+            XISendDeviceHierarchyEvent(flags);

+    }

+

+    return ret;

+}

+

+int

+NumMotionEvents(void)

+{

+    /* only called to fill data in initial connection reply.

+     * VCP is ok here, it is the only fixed device we have. */

+    return inputInfo.pointer->valuator->numMotionEvents;

+}

+

+int

+dixLookupDevice(DeviceIntPtr *pDev, int id, ClientPtr client, Mask access_mode)

+{

+    DeviceIntPtr dev;

+    int rc;

+    *pDev = NULL;

+

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

+        if (dev->id == id)

+            goto found;

+    }

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

+        if (dev->id == id)

+	    goto found;

+    }

+    return BadDevice;

+

+found:

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

+    if (rc == Success)

+	*pDev = dev;

+    return rc;

+}

+

+void

+QueryMinMaxKeyCodes(KeyCode *minCode, KeyCode *maxCode)

+{

+    if (inputInfo.keyboard) {

+	*minCode = inputInfo.keyboard->key->xkbInfo->desc->min_key_code;

+	*maxCode = inputInfo.keyboard->key->xkbInfo->desc->max_key_code;

+    }

+}

+

+/* Notably, this function does not expand the destination's keycode range, or

+ * notify clients. */

+Bool

+SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src)

+{

+    int i, j;

+    KeySym *tmp;

+    int rowDif = src->minKeyCode - dst->minKeyCode;

+

+    /* if keysym map size changes, grow map first */

+    if (src->mapWidth < dst->mapWidth) {

+        for (i = src->minKeyCode; i <= src->maxKeyCode; i++) {

+#define SI(r, c) (((r - src->minKeyCode) * src->mapWidth) + (c))

+#define DI(r, c) (((r - dst->minKeyCode) * dst->mapWidth) + (c))

+	    for (j = 0; j < src->mapWidth; j++)

+		dst->map[DI(i, j)] = src->map[SI(i, j)];

+	    for (j = src->mapWidth; j < dst->mapWidth; j++)

+		dst->map[DI(i, j)] = NoSymbol;

+#undef SI

+#undef DI

+	}

+	return TRUE;

+    }

+    else if (src->mapWidth > dst->mapWidth) {

+        i = sizeof(KeySym) * src->mapWidth *

+             (dst->maxKeyCode - dst->minKeyCode + 1);

+        tmp = calloc(sizeof(KeySym), i);

+        if (!tmp)

+            return FALSE;

+

+        if (dst->map) {

+            for (i = 0; i <= dst->maxKeyCode-dst->minKeyCode; i++)

+                memmove(&tmp[i * src->mapWidth], &dst->map[i * dst->mapWidth],

+                        dst->mapWidth * sizeof(KeySym));

+            free(dst->map);

+        }

+        dst->mapWidth = src->mapWidth;

+        dst->map = tmp;

+    }

+    else if (!dst->map) {

+        i = sizeof(KeySym) * src->mapWidth *

+             (dst->maxKeyCode - dst->minKeyCode + 1);

+        tmp = calloc(sizeof(KeySym), i);

+        if (!tmp)

+            return FALSE;

+

+        dst->map = tmp;

+        dst->mapWidth = src->mapWidth;

+    }

+

+    memmove(&dst->map[rowDif * dst->mapWidth], src->map,

+            (src->maxKeyCode - src->minKeyCode + 1) *

+            dst->mapWidth * sizeof(KeySym));

+

+    return TRUE;

+}

+

+Bool

+InitButtonClassDeviceStruct(DeviceIntPtr dev, int numButtons, Atom* labels,

+                            CARD8 *map)

+{

+    ButtonClassPtr butc;

+    int i;

+

+    butc = calloc(1, sizeof(ButtonClassRec));

+    if (!butc)

+	return FALSE;

+    butc->numButtons = numButtons;

+    butc->sourceid = dev->id;

+    for (i = 1; i <= numButtons; i++)

+	butc->map[i] = map[i];

+    for (i = numButtons + 1; i < MAP_LENGTH; i++)

+        butc->map[i] = i;

+    memcpy(butc->labels, labels, numButtons * sizeof(Atom));

+    dev->button = butc;

+    return TRUE;

+}

+

+Bool

+InitValuatorClassDeviceStruct(DeviceIntPtr dev, int numAxes, Atom *labels,

+                              int numMotionEvents, int mode)

+{

+    int i;

+    ValuatorClassPtr valc;

+    union align_u { ValuatorClassRec valc; double d; } *align;

+

+    if (!dev)

+        return FALSE;

+

+    if (numAxes > MAX_VALUATORS)

+    {

+        LogMessage(X_WARNING,

+                   "Device '%s' has %d axes, only using first %d.\n",

+                   dev->name, numAxes, MAX_VALUATORS);

+        numAxes = MAX_VALUATORS;

+    }

+

+    align = (union align_u *) calloc(1, sizeof(union align_u) +

+				     numAxes * sizeof(double) +

+				     numAxes * sizeof(AxisInfo));

+    if (!align)

+	return FALSE;

+

+    valc = &align->valc;

+    valc->sourceid = dev->id;

+    valc->motion = NULL;

+    valc->first_motion = 0;

+    valc->last_motion = 0;

+

+    valc->numMotionEvents = numMotionEvents;

+    valc->motionHintWindow = NullWindow;

+    valc->numAxes = numAxes;

+    valc->axisVal = (double *)(align + 1);

+    valc->axes = (AxisInfoPtr)(valc->axisVal + numAxes);

+

+    if (mode & OutOfProximity)

+        InitProximityClassDeviceStruct(dev);

+

+    dev->valuator = valc;

+

+    AllocateMotionHistory(dev);

+

+    for (i=0; i<numAxes; i++) {

+        InitValuatorAxisStruct(dev, i, labels[i], NO_AXIS_LIMITS, NO_AXIS_LIMITS,

+                               0, 0, 0, mode);

+	valc->axisVal[i]=0;

+    }

+

+    dev->last.numValuators = numAxes;

+

+    if (IsMaster(dev) || /* do not accelerate master or xtest devices */

+        IsXTestDevice(dev, NULL))

+	InitPointerAccelerationScheme(dev, PtrAccelNoOp);

+    else

+	InitPointerAccelerationScheme(dev, PtrAccelDefault);

+    return TRUE;

+}

+

+/* global list of acceleration schemes */

+ValuatorAccelerationRec pointerAccelerationScheme[] = {

+    {PtrAccelNoOp, NULL, NULL, NULL, NULL},

+    {PtrAccelPredictable, acceleratePointerPredictable, NULL,

+        InitPredictableAccelerationScheme, AccelerationDefaultCleanup},

+    {PtrAccelLightweight, acceleratePointerLightweight, NULL, NULL, NULL},

+    {-1, NULL, NULL, NULL, NULL} /* terminator */

+};

+

+/**

+ * install an acceleration scheme. returns TRUE on success, and should not

+ * change anything if unsuccessful.

+ */

+Bool

+InitPointerAccelerationScheme(DeviceIntPtr dev,

+                              int scheme)

+{

+    int x, i = -1;

+    ValuatorClassPtr val;

+

+    val = dev->valuator;

+

+    if (!val)

+        return FALSE;

+

+    if (IsMaster(dev) && scheme != PtrAccelNoOp)

+        return FALSE;

+

+    for (x = 0; pointerAccelerationScheme[x].number >= 0; x++) {

+        if(pointerAccelerationScheme[x].number == scheme){

+            i = x;

+            break;

+        }

+    }

+

+    if (-1 == i)

+        return FALSE;

+

+    if (val->accelScheme.AccelCleanupProc)

+        val->accelScheme.AccelCleanupProc(dev);

+

+    if (pointerAccelerationScheme[i].AccelInitProc) {

+        if (!pointerAccelerationScheme[i].AccelInitProc(dev,

+                                            &pointerAccelerationScheme[i])) {

+            return FALSE;

+        }

+    } else {

+        val->accelScheme = pointerAccelerationScheme[i];

+    }

+    return TRUE;

+}

+

+Bool

+InitAbsoluteClassDeviceStruct(DeviceIntPtr dev)

+{

+    AbsoluteClassPtr abs;

+

+    abs = malloc(sizeof(AbsoluteClassRec));

+    if (!abs)

+        return FALSE;

+

+    /* we don't do anything sensible with these, but should */

+    abs->min_x = NO_AXIS_LIMITS;

+    abs->min_y = NO_AXIS_LIMITS;

+    abs->max_x = NO_AXIS_LIMITS;

+    abs->max_y = NO_AXIS_LIMITS;

+    abs->flip_x = 0;

+    abs->flip_y = 0;

+    abs->rotation = 0;

+    abs->button_threshold = 0;

+

+    abs->offset_x = 0;

+    abs->offset_y = 0;

+    abs->width = NO_AXIS_LIMITS;

+    abs->height = NO_AXIS_LIMITS;

+    abs->following = 0;

+    abs->screen = 0;

+

+    abs->sourceid = dev->id;

+

+    dev->absolute = abs;

+

+    return TRUE;

+}

+

+Bool

+InitFocusClassDeviceStruct(DeviceIntPtr dev)

+{

+    FocusClassPtr focc;

+

+    focc = malloc(sizeof(FocusClassRec));

+    if (!focc)

+	return FALSE;

+    focc->win = PointerRootWin;

+    focc->revert = None;

+    focc->time = currentTime;

+    focc->trace = (WindowPtr *)NULL;

+    focc->traceSize = 0;

+    focc->traceGood = 0;

+    focc->sourceid = dev->id;

+    dev->focus = focc;

+    return TRUE;

+}

+

+Bool

+InitPtrFeedbackClassDeviceStruct(DeviceIntPtr dev, PtrCtrlProcPtr controlProc)

+{

+    PtrFeedbackPtr feedc;

+

+    feedc = malloc(sizeof(PtrFeedbackClassRec));

+    if (!feedc)

+	return FALSE;

+    feedc->CtrlProc = controlProc;

+    feedc->ctrl = defaultPointerControl;

+    feedc->ctrl.id = 0;

+    if ( (feedc->next = dev->ptrfeed) )

+        feedc->ctrl.id = dev->ptrfeed->ctrl.id + 1;

+    dev->ptrfeed = feedc;

+    (*controlProc)(dev, &feedc->ctrl);

+    return TRUE;

+}

+

+

+static LedCtrl defaultLedControl = {

+	DEFAULT_LEDS, DEFAULT_LEDS_MASK, 0};

+

+static BellCtrl defaultBellControl = {

+	DEFAULT_BELL,

+	DEFAULT_BELL_PITCH,

+	DEFAULT_BELL_DURATION,

+	0};

+

+static IntegerCtrl defaultIntegerControl = {

+	DEFAULT_INT_RESOLUTION,

+	DEFAULT_INT_MIN_VALUE,

+	DEFAULT_INT_MAX_VALUE,

+	DEFAULT_INT_DISPLAYED,

+	0};

+

+Bool

+InitStringFeedbackClassDeviceStruct (

+      DeviceIntPtr dev, StringCtrlProcPtr controlProc,

+      int max_symbols, int num_symbols_supported, KeySym *symbols)

+{

+    int i;

+    StringFeedbackPtr feedc;

+

+    feedc = malloc(sizeof(StringFeedbackClassRec));

+    if (!feedc)

+	return FALSE;

+    feedc->CtrlProc = controlProc;

+    feedc->ctrl.num_symbols_supported = num_symbols_supported;

+    feedc->ctrl.num_symbols_displayed = 0;

+    feedc->ctrl.max_symbols = max_symbols;

+    feedc->ctrl.symbols_supported = malloc(sizeof (KeySym) * num_symbols_supported);

+    feedc->ctrl.symbols_displayed = malloc(sizeof (KeySym) * max_symbols);

+    if (!feedc->ctrl.symbols_supported || !feedc->ctrl.symbols_displayed)

+    {

+	free(feedc->ctrl.symbols_supported);

+	free(feedc->ctrl.symbols_displayed);

+	free(feedc);

+	return FALSE;

+    }

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

+	*(feedc->ctrl.symbols_supported+i) = *symbols++;

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

+	*(feedc->ctrl.symbols_displayed+i) = (KeySym) 0;

+    feedc->ctrl.id = 0;

+    if ( (feedc->next = dev->stringfeed) )

+	feedc->ctrl.id = dev->stringfeed->ctrl.id + 1;

+    dev->stringfeed = feedc;

+    (*controlProc)(dev, &feedc->ctrl);

+    return TRUE;

+}

+

+Bool

+InitBellFeedbackClassDeviceStruct (DeviceIntPtr dev, BellProcPtr bellProc,

+                                   BellCtrlProcPtr controlProc)

+{

+    BellFeedbackPtr feedc;

+

+    feedc = malloc(sizeof(BellFeedbackClassRec));

+    if (!feedc)

+	return FALSE;

+    feedc->CtrlProc = controlProc;

+    feedc->BellProc = bellProc;

+    feedc->ctrl = defaultBellControl;

+    feedc->ctrl.id = 0;

+    if ( (feedc->next = dev->bell) )

+	feedc->ctrl.id = dev->bell->ctrl.id + 1;

+    dev->bell = feedc;

+    (*controlProc)(dev, &feedc->ctrl);

+    return TRUE;

+}

+

+Bool

+InitLedFeedbackClassDeviceStruct (DeviceIntPtr dev, LedCtrlProcPtr controlProc)

+{

+    LedFeedbackPtr feedc;

+

+    feedc = malloc(sizeof(LedFeedbackClassRec));

+    if (!feedc)

+	return FALSE;

+    feedc->CtrlProc = controlProc;

+    feedc->ctrl = defaultLedControl;

+    feedc->ctrl.id = 0;

+    if ( (feedc->next = dev->leds) )

+	feedc->ctrl.id = dev->leds->ctrl.id + 1;

+    feedc->xkb_sli= NULL;

+    dev->leds = feedc;

+    (*controlProc)(dev, &feedc->ctrl);

+    return TRUE;

+}

+

+Bool

+InitIntegerFeedbackClassDeviceStruct (DeviceIntPtr dev, IntegerCtrlProcPtr controlProc)

+{

+    IntegerFeedbackPtr feedc;

+

+    feedc = malloc(sizeof(IntegerFeedbackClassRec));

+    if (!feedc)

+	return FALSE;

+    feedc->CtrlProc = controlProc;

+    feedc->ctrl = defaultIntegerControl;

+    feedc->ctrl.id = 0;

+    if ( (feedc->next = dev->intfeed) )

+	feedc->ctrl.id = dev->intfeed->ctrl.id + 1;

+    dev->intfeed = feedc;

+    (*controlProc)(dev, &feedc->ctrl);

+    return TRUE;

+}

+

+Bool

+InitPointerDeviceStruct(DevicePtr device, CARD8 *map, int numButtons, Atom* btn_labels,

+                        PtrCtrlProcPtr controlProc, int numMotionEvents,

+                        int numAxes, Atom *axes_labels)

+{

+    DeviceIntPtr dev = (DeviceIntPtr)device;

+

+    return(InitButtonClassDeviceStruct(dev, numButtons, btn_labels, map) &&

+	   InitValuatorClassDeviceStruct(dev, numAxes, axes_labels,

+					 numMotionEvents, Relative) &&

+	   InitPtrFeedbackClassDeviceStruct(dev, controlProc));

+}

+

+/*

+ * Check if the given buffer contains elements between low (inclusive) and

+ * high (inclusive) only.

+ *

+ * @return TRUE if the device map is invalid, FALSE otherwise.

+ */

+Bool

+BadDeviceMap(BYTE *buff, int length, unsigned low, unsigned high, XID *errval)

+{

+    int i;

+

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

+	if (buff[i])		       /* only check non-zero elements */

+	{

+	    if ((low > buff[i]) || (high < buff[i]))

+	    {

+		*errval = buff[i];

+		return TRUE;

+	    }

+	}

+    return FALSE;

+}

+

+int

+ProcSetModifierMapping(ClientPtr client)

+{

+    xSetModifierMappingReply rep;

+    int rc;

+    REQUEST(xSetModifierMappingReq);

+    REQUEST_AT_LEAST_SIZE(xSetModifierMappingReq);

+

+    if (client->req_len != ((stuff->numKeyPerModifier << 1) +

+                bytes_to_int32(sizeof(xSetModifierMappingReq))))

+	return BadLength;

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    rc = change_modmap(client, PickKeyboard(client), (KeyCode *)&stuff[1],

+                       stuff->numKeyPerModifier);

+    if (rc == MappingFailed || rc == -1)

+        return BadValue;

+    if (rc != Success && rc != MappingSuccess && rc != MappingFailed &&

+        rc != MappingBusy)

+	return rc;

+

+    rep.success = rc;

+

+    WriteReplyToClient(client, sizeof(xSetModifierMappingReply), &rep);

+    return Success;

+}

+

+int

+ProcGetModifierMapping(ClientPtr client)

+{

+    xGetModifierMappingReply rep;

+    int max_keys_per_mod = 0;

+    KeyCode *modkeymap = NULL;

+    REQUEST_SIZE_MATCH(xReq);

+

+    generate_modkeymap(client, PickKeyboard(client), &modkeymap,

+                       &max_keys_per_mod);

+

+    memset(&rep, 0, sizeof(xGetModifierMappingReply));

+    rep.type = X_Reply;

+    rep.numKeyPerModifier = max_keys_per_mod;

+    rep.sequenceNumber = client->sequence;

+    /* length counts 4 byte quantities - there are 8 modifiers 1 byte big */

+    rep.length = max_keys_per_mod << 1;

+

+    WriteReplyToClient(client, sizeof(xGetModifierMappingReply), &rep);

+    (void)WriteToClient(client, max_keys_per_mod * 8, (char *) modkeymap);

+

+    free(modkeymap);

+

+    return Success;

+}

+

+int

+ProcChangeKeyboardMapping(ClientPtr client)

+{

+    REQUEST(xChangeKeyboardMappingReq);

+    unsigned len;

+    KeySymsRec keysyms;

+    DeviceIntPtr pDev, tmp;

+    int rc;

+    REQUEST_AT_LEAST_SIZE(xChangeKeyboardMappingReq);

+

+    len = client->req_len - bytes_to_int32(sizeof(xChangeKeyboardMappingReq));

+    if (len != (stuff->keyCodes * stuff->keySymsPerKeyCode))

+            return BadLength;

+

+    pDev = PickKeyboard(client);

+

+    if ((stuff->firstKeyCode < pDev->key->xkbInfo->desc->min_key_code) ||

+	(stuff->firstKeyCode > pDev->key->xkbInfo->desc->max_key_code)) {

+	    client->errorValue = stuff->firstKeyCode;

+	    return BadValue;

+

+    }

+    if (((unsigned)(stuff->firstKeyCode + stuff->keyCodes - 1) >

+          pDev->key->xkbInfo->desc->max_key_code) ||

+        (stuff->keySymsPerKeyCode == 0)) {

+	    client->errorValue = stuff->keySymsPerKeyCode;

+	    return BadValue;

+    }

+

+    keysyms.minKeyCode = stuff->firstKeyCode;

+    keysyms.maxKeyCode = stuff->firstKeyCode + stuff->keyCodes - 1;

+    keysyms.mapWidth = stuff->keySymsPerKeyCode;

+    keysyms.map = (KeySym *) &stuff[1];

+

+    rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);

+    if (rc != Success)

+        return rc;

+

+    XkbApplyMappingChange(pDev, &keysyms, stuff->firstKeyCode,

+                          stuff->keyCodes, NULL, client);

+

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

+        if (IsMaster(tmp) || GetMaster(tmp, MASTER_KEYBOARD) != pDev)

+            continue;

+        if (!tmp->key)

+            continue;

+

+        rc = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);

+        if (rc != Success)

+            continue;

+

+        XkbApplyMappingChange(tmp, &keysyms, stuff->firstKeyCode,

+                              stuff->keyCodes, NULL, client);

+    }

+

+    return Success;

+}

+

+int

+ProcSetPointerMapping(ClientPtr client)

+{

+    BYTE *map;

+    int ret;

+    int i, j;

+    DeviceIntPtr ptr = PickPointer(client);

+    xSetPointerMappingReply rep;

+    REQUEST(xSetPointerMappingReq);

+    REQUEST_AT_LEAST_SIZE(xSetPointerMappingReq);

+

+    if (client->req_len !=

+            bytes_to_int32(sizeof(xSetPointerMappingReq) + stuff->nElts))

+	return BadLength;

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.success = MappingSuccess;

+    map = (BYTE *)&stuff[1];

+

+    /* So we're bounded here by the number of core buttons.  This check

+     * probably wants disabling through XFixes. */

+    /* MPX: With ClientPointer, we can return the right number of buttons.

+     * Let's just hope nobody changed ClientPointer between GetPointerMapping

+     * and SetPointerMapping

+     */

+    if (stuff->nElts != ptr->button->numButtons) {

+	client->errorValue = stuff->nElts;

+	return BadValue;

+    }

+

+    /* Core protocol specs don't allow for duplicate mappings; this check

+     * almost certainly wants disabling through XFixes too. */

+    for (i = 0; i < stuff->nElts; i++) {

+        for (j = i + 1; j < stuff->nElts; j++) {

+            if (map[i] && map[i] == map[j]) {

+                client->errorValue = map[i];

+                return BadValue;

+            }

+        }

+    }

+

+    ret = ApplyPointerMapping(ptr, map, stuff->nElts, client);

+    if (ret == MappingBusy)

+        rep.success = ret;

+    else if (ret == -1)

+        return BadValue;

+    else if (ret != Success)

+        return ret;

+

+    WriteReplyToClient(client, sizeof(xSetPointerMappingReply), &rep);

+    return Success;

+}

+

+int

+ProcGetKeyboardMapping(ClientPtr client)

+{

+    xGetKeyboardMappingReply rep;

+    DeviceIntPtr kbd = PickKeyboard(client);

+    XkbDescPtr xkb;

+    KeySymsPtr syms;

+    int rc;

+    REQUEST(xGetKeyboardMappingReq);

+    REQUEST_SIZE_MATCH(xGetKeyboardMappingReq);

+

+    rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess);

+    if (rc != Success)

+	return rc;

+

+    xkb = kbd->key->xkbInfo->desc;

+

+    if ((stuff->firstKeyCode < xkb->min_key_code) ||

+        (stuff->firstKeyCode > xkb->max_key_code)) {

+	client->errorValue = stuff->firstKeyCode;

+	return BadValue;

+    }

+    if (stuff->firstKeyCode + stuff->count > xkb->max_key_code + 1) {

+	client->errorValue = stuff->count;

+        return BadValue;

+    }

+

+    syms = XkbGetCoreMap(kbd);

+    if (!syms)

+        return BadAlloc;

+

+    memset(&rep, 0, sizeof(xGetKeyboardMappingReply));

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.keySymsPerKeyCode = syms->mapWidth;

+    /* length is a count of 4 byte quantities and KeySyms are 4 bytes */

+    rep.length = syms->mapWidth * stuff->count;

+    WriteReplyToClient(client, sizeof(xGetKeyboardMappingReply), &rep);

+    client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write;

+    WriteSwappedDataToClient(client,

+                             syms->mapWidth * stuff->count * sizeof(KeySym),

+                             &syms->map[syms->mapWidth * (stuff->firstKeyCode -

+                                                          syms->minKeyCode)]);

+    free(syms->map);

+    free(syms);

+

+    return Success;

+}

+

+int

+ProcGetPointerMapping(ClientPtr client)

+{

+    xGetPointerMappingReply rep;

+    /* Apps may get different values each time they call GetPointerMapping as

+     * the ClientPointer could change. */

+    DeviceIntPtr ptr = PickPointer(client);

+    ButtonClassPtr butc = ptr->button;

+    int rc;

+    REQUEST_SIZE_MATCH(xReq);

+

+    rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess);

+    if (rc != Success)

+	return rc;

+

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.nElts = (butc) ? butc->numButtons : 0;

+    rep.length = ((unsigned)rep.nElts + (4-1))/4;

+    WriteReplyToClient(client, sizeof(xGetPointerMappingReply), &rep);

+    if (butc)

+        WriteToClient(client, (int)rep.nElts, (char *)&butc->map[1]);

+    return Success;

+}

+

+void

+NoteLedState(DeviceIntPtr keybd, int led, Bool on)

+{

+    KeybdCtrl *ctrl = &keybd->kbdfeed->ctrl;

+    if (on)

+	ctrl->leds |= ((Leds)1 << (led - 1));

+    else

+	ctrl->leds &= ~((Leds)1 << (led - 1));

+}

+

+int

+Ones(unsigned long mask)             /* HACKMEM 169 */

+{

+    unsigned long y;

+

+    y = (mask >> 1) &033333333333;

+    y = mask - y - ((y >>1) & 033333333333);

+    return (((y + (y >> 3)) & 030707070707) % 077);

+}

+

+static int

+DoChangeKeyboardControl (ClientPtr client, DeviceIntPtr keybd, XID *vlist,

+                         BITS32 vmask)

+{

+#define DO_ALL    (-1)

+    KeybdCtrl ctrl;

+    int t;

+    int led = DO_ALL;

+    int key = DO_ALL;

+    BITS32 index2;

+    int mask = vmask, i;

+    XkbEventCauseRec cause;

+

+    ctrl = keybd->kbdfeed->ctrl;

+    while (vmask) {

+	index2 = (BITS32) lowbit (vmask);

+	vmask &= ~index2;

+	switch (index2) {

+	case KBKeyClickPercent:

+	    t = (INT8)*vlist;

+	    vlist++;

+	    if (t == -1) {

+		t = defaultKeyboardControl.click;

+            }

+	    else if (t < 0 || t > 100) {

+		client->errorValue = t;

+		return BadValue;

+	    }

+	    ctrl.click = t;

+	    break;

+	case KBBellPercent:

+	    t = (INT8)*vlist;

+	    vlist++;

+	    if (t == -1) {

+		t = defaultKeyboardControl.bell;

+            }

+	    else if (t < 0 || t > 100) {

+		client->errorValue = t;

+		return BadValue;

+	    }

+	    ctrl.bell = t;

+	    break;

+	case KBBellPitch:

+	    t = (INT16)*vlist;

+	    vlist++;

+	    if (t == -1) {

+		t = defaultKeyboardControl.bell_pitch;

+            }

+	    else if (t < 0) {

+		client->errorValue = t;

+		return BadValue;

+	    }

+	    ctrl.bell_pitch = t;

+	    break;

+	case KBBellDuration:

+	    t = (INT16)*vlist;

+	    vlist++;

+	    if (t == -1)

+		t = defaultKeyboardControl.bell_duration;

+	    else if (t < 0) {

+		client->errorValue = t;

+		return BadValue;

+	    }

+	    ctrl.bell_duration = t;

+	    break;

+	case KBLed:

+	    led = (CARD8)*vlist;

+	    vlist++;

+	    if (led < 1 || led > 32) {

+		client->errorValue = led;

+		return BadValue;

+	    }

+	    if (!(mask & KBLedMode))

+		return BadMatch;

+	    break;

+	case KBLedMode:

+	    t = (CARD8)*vlist;

+	    vlist++;

+	    if (t == LedModeOff) {

+		if (led == DO_ALL)

+		    ctrl.leds = 0x0;

+		else

+		    ctrl.leds &= ~(((Leds)(1)) << (led - 1));

+	    }

+	    else if (t == LedModeOn) {

+		if (led == DO_ALL)

+		    ctrl.leds = ~0L;

+		else

+		    ctrl.leds |= (((Leds)(1)) << (led - 1));

+	    }

+	    else {

+		client->errorValue = t;

+		return BadValue;

+	    }

+

+            XkbSetCauseCoreReq(&cause,X_ChangeKeyboardControl,client);

+            XkbSetIndicators(keybd,((led == DO_ALL) ? ~0L : (1L<<(led-1))),

+ 			     ctrl.leds, &cause);

+            ctrl.leds = keybd->kbdfeed->ctrl.leds;

+

+	    break;

+	case KBKey:

+	    key = (KeyCode)*vlist;

+	    vlist++;

+	    if ((KeyCode)key < keybd->key->xkbInfo->desc->min_key_code ||

+		(KeyCode)key > keybd->key->xkbInfo->desc->max_key_code) {

+		client->errorValue = key;

+		return BadValue;

+	    }

+	    if (!(mask & KBAutoRepeatMode))

+		return BadMatch;

+	    break;

+	case KBAutoRepeatMode:

+	    i = (key >> 3);

+	    mask = (1 << (key & 7));

+	    t = (CARD8)*vlist;

+	    vlist++;

+            if (key != DO_ALL)

+                XkbDisableComputedAutoRepeats(keybd,key);

+	    if (t == AutoRepeatModeOff) {

+		if (key == DO_ALL)

+		    ctrl.autoRepeat = FALSE;

+		else

+		    ctrl.autoRepeats[i] &= ~mask;

+	    }

+	    else if (t == AutoRepeatModeOn) {

+		if (key == DO_ALL)

+		    ctrl.autoRepeat = TRUE;

+		else

+		    ctrl.autoRepeats[i] |= mask;

+	    }

+	    else if (t == AutoRepeatModeDefault) {

+		if (key == DO_ALL)

+		    ctrl.autoRepeat = defaultKeyboardControl.autoRepeat;

+		else

+		    ctrl.autoRepeats[i] =

+			    (ctrl.autoRepeats[i] & ~mask) |

+			    (defaultKeyboardControl.autoRepeats[i] & mask);

+	    }

+	    else {

+		client->errorValue = t;

+		return BadValue;

+	    }

+	    break;

+	default:

+	    client->errorValue = mask;

+	    return BadValue;

+	}

+    }

+    keybd->kbdfeed->ctrl = ctrl;

+

+    /* The XKB RepeatKeys control and core protocol global autorepeat */

+    /* value are linked	*/

+    XkbSetRepeatKeys(keybd, key, keybd->kbdfeed->ctrl.autoRepeat);

+

+    return Success;

+

+#undef DO_ALL

+}

+

+/**

+ * Changes kbd control on the ClientPointer and all attached SDs.

+ */

+int

+ProcChangeKeyboardControl (ClientPtr client)

+{

+    XID *vlist;

+    BITS32 vmask;

+    int ret = Success, error = Success;

+    DeviceIntPtr pDev = NULL, keyboard;

+    REQUEST(xChangeKeyboardControlReq);

+

+    REQUEST_AT_LEAST_SIZE(xChangeKeyboardControlReq);

+

+    vmask = stuff->mask;

+    vlist = (XID *)&stuff[1];

+

+    if (client->req_len != (sizeof(xChangeKeyboardControlReq)>>2)+Ones(vmask))

+	return BadLength;

+

+    keyboard = PickKeyboard(client);

+

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

+        if ((pDev == keyboard ||

+	     (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard))

+	    && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) {

+            ret = XaceHook(XACE_DEVICE_ACCESS, client, pDev, DixManageAccess);

+	    if (ret != Success)

+                return ret;

+        }

+    }

+

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

+        if ((pDev == keyboard ||

+	     (!IsMaster(pDev) && GetMaster(pDev, MASTER_KEYBOARD) == keyboard))

+	    && pDev->kbdfeed && pDev->kbdfeed->CtrlProc) {

+            ret = DoChangeKeyboardControl(client, pDev, vlist, vmask);

+            if (ret != Success)

+                error = ret;

+        }

+    }

+

+    return error;

+}

+

+int

+ProcGetKeyboardControl (ClientPtr client)

+{

+    int rc, i;

+    DeviceIntPtr kbd = PickKeyboard(client);

+    KeybdCtrl *ctrl = &kbd->kbdfeed->ctrl;

+    xGetKeyboardControlReply rep;

+    REQUEST_SIZE_MATCH(xReq);

+

+    rc = XaceHook(XACE_DEVICE_ACCESS, client, kbd, DixGetAttrAccess);

+    if (rc != Success)

+	return rc;

+

+    rep.type = X_Reply;

+    rep.length = 5;

+    rep.sequenceNumber = client->sequence;

+    rep.globalAutoRepeat = ctrl->autoRepeat;

+    rep.keyClickPercent = ctrl->click;

+    rep.bellPercent = ctrl->bell;

+    rep.bellPitch = ctrl->bell_pitch;

+    rep.bellDuration = ctrl->bell_duration;

+    rep.ledMask = ctrl->leds;

+    for (i = 0; i < 32; i++)

+	rep.map[i] = ctrl->autoRepeats[i];

+    WriteReplyToClient(client, sizeof(xGetKeyboardControlReply), &rep);

+    return Success;

+}

+

+int

+ProcBell(ClientPtr client)

+{

+    DeviceIntPtr dev, keybd = PickKeyboard(client);

+    int base = keybd->kbdfeed->ctrl.bell;

+    int newpercent;

+    int rc;

+    REQUEST(xBellReq);

+    REQUEST_SIZE_MATCH(xBellReq);

+

+    if (stuff->percent < -100 || stuff->percent > 100) {

+	client->errorValue = stuff->percent;

+	return BadValue;

+    }

+

+    newpercent = (base * stuff->percent) / 100;

+    if (stuff->percent < 0)

+        newpercent = base + newpercent;

+    else

+	newpercent = base - newpercent + stuff->percent;

+

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

+        if ((dev == keybd ||

+	     (!IsMaster(dev) && GetMaster(dev, MASTER_KEYBOARD) == keybd)) &&

+            dev->kbdfeed && dev->kbdfeed->BellProc) {

+

+	    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixBellAccess);

+	    if (rc != Success)

+		return rc;

+            XkbHandleBell(FALSE, FALSE, dev, newpercent,

+                          &dev->kbdfeed->ctrl, 0, None, NULL, client);

+        }

+    }

+

+    return Success;

+}

+

+int

+ProcChangePointerControl(ClientPtr client)

+{

+    DeviceIntPtr dev, mouse = PickPointer(client);

+    PtrCtrl ctrl;		/* might get BadValue part way through */

+    int rc;

+    REQUEST(xChangePointerControlReq);

+    REQUEST_SIZE_MATCH(xChangePointerControlReq);

+

+    ctrl = mouse->ptrfeed->ctrl;

+    if ((stuff->doAccel != xTrue) && (stuff->doAccel != xFalse)) {

+	client->errorValue = stuff->doAccel;

+	return BadValue;

+    }

+    if ((stuff->doThresh != xTrue) && (stuff->doThresh != xFalse)) {

+	client->errorValue = stuff->doThresh;

+	return BadValue;

+    }

+    if (stuff->doAccel) {

+	if (stuff->accelNum == -1) {

+	    ctrl.num = defaultPointerControl.num;

+        }

+	else if (stuff->accelNum < 0) {

+	    client->errorValue = stuff->accelNum;

+	    return BadValue;

+	}

+	else {

+            ctrl.num = stuff->accelNum;

+        }

+

+	if (stuff->accelDenum == -1) {

+	    ctrl.den = defaultPointerControl.den;

+        }

+	else if (stuff->accelDenum <= 0) {

+	    client->errorValue = stuff->accelDenum;

+	    return BadValue;

+	}

+	else {

+            ctrl.den = stuff->accelDenum;

+        }

+    }

+    if (stuff->doThresh) {

+	if (stuff->threshold == -1) {

+	    ctrl.threshold = defaultPointerControl.threshold;

+        }

+	else if (stuff->threshold < 0) {

+	    client->errorValue = stuff->threshold;

+	    return BadValue;

+	}

+	else {

+            ctrl.threshold = stuff->threshold;

+        }

+    }

+

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

+        if ((dev == mouse ||

+	     (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) &&

+            dev->ptrfeed) {

+	    rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixManageAccess);

+	    if (rc != Success)

+		return rc;

+	}

+    }

+

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

+        if ((dev == mouse ||

+	     (!IsMaster(dev) && GetMaster(dev, MASTER_POINTER) == mouse)) &&

+            dev->ptrfeed) {

+            dev->ptrfeed->ctrl = ctrl;

+        }

+    }

+

+    return Success;

+}

+

+int

+ProcGetPointerControl(ClientPtr client)

+{

+    DeviceIntPtr ptr = PickPointer(client);

+    PtrCtrl *ctrl = &ptr->ptrfeed->ctrl;

+    xGetPointerControlReply rep;

+    int rc;

+    REQUEST_SIZE_MATCH(xReq);

+

+    rc = XaceHook(XACE_DEVICE_ACCESS, client, ptr, DixGetAttrAccess);

+    if (rc != Success)

+	return rc;

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.threshold = ctrl->threshold;

+    rep.accelNumerator = ctrl->num;

+    rep.accelDenominator = ctrl->den;

+    WriteReplyToClient(client, sizeof(xGenericReply), &rep);

+    return Success;

+}

+

+void

+MaybeStopHint(DeviceIntPtr dev, ClientPtr client)

+{

+    GrabPtr grab = dev->deviceGrab.grab;

+

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

+	 ((grab->eventMask & PointerMotionHintMask) ||

+	  (grab->ownerEvents &&

+	   (EventMaskForClient(dev->valuator->motionHintWindow, client) &

+	    PointerMotionHintMask)))) ||

+	(!grab &&

+	 (EventMaskForClient(dev->valuator->motionHintWindow, client) &

+	  PointerMotionHintMask)))

+	dev->valuator->motionHintWindow = NullWindow;

+}

+

+int

+ProcGetMotionEvents(ClientPtr client)

+{

+    WindowPtr pWin;

+    xTimecoord * coords = (xTimecoord *) NULL;

+    xGetMotionEventsReply rep;

+    int i, count, xmin, xmax, ymin, ymax, rc;

+    unsigned long nEvents;

+    DeviceIntPtr mouse = PickPointer(client);

+    TimeStamp start, stop;

+    REQUEST(xGetMotionEventsReq);

+    REQUEST_SIZE_MATCH(xGetMotionEventsReq);

+

+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);

+    if (rc != Success)

+	return rc;

+    rc = XaceHook(XACE_DEVICE_ACCESS, client, mouse, DixReadAccess);

+    if (rc != Success)

+	return rc;

+

+    if (mouse->valuator->motionHintWindow)

+	MaybeStopHint(mouse, client);

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    nEvents = 0;

+    start = ClientTimeToServerTime(stuff->start);

+    stop = ClientTimeToServerTime(stuff->stop);

+    if ((CompareTimeStamps(start, stop) != LATER) &&

+	(CompareTimeStamps(start, currentTime) != LATER) &&

+	mouse->valuator->numMotionEvents)

+    {

+	if (CompareTimeStamps(stop, currentTime) == LATER)

+	    stop = currentTime;

+	count = GetMotionHistory(mouse, &coords, start.milliseconds,

+				 stop.milliseconds, pWin->drawable.pScreen,

+                                 TRUE);

+	xmin = pWin->drawable.x - wBorderWidth (pWin);

+	xmax = pWin->drawable.x + (int)pWin->drawable.width +

+		wBorderWidth (pWin);

+	ymin = pWin->drawable.y - wBorderWidth (pWin);

+	ymax = pWin->drawable.y + (int)pWin->drawable.height +

+		wBorderWidth (pWin);

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

+	    if ((xmin <= coords[i].x) && (coords[i].x < xmax) &&

+		    (ymin <= coords[i].y) && (coords[i].y < ymax))

+	    {

+		coords[nEvents].time = coords[i].time;

+		coords[nEvents].x = coords[i].x - pWin->drawable.x;

+		coords[nEvents].y = coords[i].y - pWin->drawable.y;

+		nEvents++;

+	    }

+    }

+    rep.length = nEvents * bytes_to_int32(sizeof(xTimecoord));

+    rep.nEvents = nEvents;

+    WriteReplyToClient(client, sizeof(xGetMotionEventsReply), &rep);

+    if (nEvents)

+    {

+	client->pSwapReplyFunc = (ReplySwapPtr) SwapTimeCoordWrite;

+	WriteSwappedDataToClient(client, nEvents * sizeof(xTimecoord),

+				 (char *)coords);

+    }

+    free(coords);

+    return Success;

+}

+

+int

+ProcQueryKeymap(ClientPtr client)

+{

+    xQueryKeymapReply rep;

+    int rc, i;

+    DeviceIntPtr keybd = PickKeyboard(client);

+    CARD8 *down = keybd->key->down;

+

+    REQUEST_SIZE_MATCH(xReq);

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.length = 2;

+

+    rc = XaceHook(XACE_DEVICE_ACCESS, client, keybd, DixReadAccess);

+    if (rc != Success && rc != BadAccess)

+	return rc;

+

+    for (i = 0; i<32; i++)

+	rep.map[i] = down[i];

+

+    if (rc == BadAccess)

+	memset(rep.map, 0, 32);

+

+    WriteReplyToClient(client, sizeof(xQueryKeymapReply), &rep);

+

+   return Success;

+}

+

+

+/**

+ * Recalculate the number of buttons for the master device. The number of

+ * buttons on the master device is equal to the number of buttons on the

+ * slave device with the highest number of buttons.

+ */

+static void

+RecalculateMasterButtons(DeviceIntPtr slave)

+{

+    DeviceIntPtr dev, master;

+    int maxbuttons = 0;

+

+    if (!slave->button || IsMaster(slave))

+        return;

+

+    master = GetMaster(slave, MASTER_POINTER);

+    if (!master)

+        return;

+

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

+    {

+        if (IsMaster(dev) ||

+            GetMaster(dev, MASTER_ATTACHED) != master ||

+            !dev->button)

+            continue;

+

+        maxbuttons = max(maxbuttons, dev->button->numButtons);

+    }

+

+    if (master->button && master->button->numButtons != maxbuttons)

+    {

+        int i;

+        DeviceChangedEvent event;

+

+        memset(&event, 0, sizeof(event));

+

+        master->button->numButtons = maxbuttons;

+

+        event.header = ET_Internal;

+        event.type = ET_DeviceChanged;

+        event.time = GetTimeInMillis();

+        event.deviceid = master->id;

+        event.flags = DEVCHANGE_POINTER_EVENT | DEVCHANGE_DEVICE_CHANGE;

+        event.buttons.num_buttons = maxbuttons;

+        memcpy(&event.buttons.names, master->button->labels, maxbuttons *

+                sizeof(Atom));

+

+        if (master->valuator)

+        {

+            event.num_valuators = master->valuator->numAxes;

+            for (i = 0; i < event.num_valuators; i++)

+            {

+                event.valuators[i].min = master->valuator->axes[i].min_value;

+                event.valuators[i].max = master->valuator->axes[i].max_value;

+                event.valuators[i].resolution = master->valuator->axes[i].resolution;

+                event.valuators[i].mode = master->valuator->axes[i].mode;

+                event.valuators[i].name = master->valuator->axes[i].label;

+            }

+        }

+

+        if (master->key)

+        {

+            event.keys.min_keycode = master->key->xkbInfo->desc->min_key_code;

+            event.keys.max_keycode = master->key->xkbInfo->desc->max_key_code;

+        }

+

+        XISendDeviceChangedEvent(master, master, &event);

+    }

+}

+

+/**

+ * Generate release events for all keys/button currently down on this

+ * device.

+ */

+static void

+ReleaseButtonsAndKeys(DeviceIntPtr dev)

+{

+    EventListPtr        eventlist = InitEventList(GetMaximumEventsNum());

+    ButtonClassPtr      b = dev->button;

+    KeyClassPtr         k = dev->key;

+    int                 i, j, nevents;

+

+    if (!eventlist) /* no release events for you */

+        return;

+

+    /* Release all buttons */

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

+    {

+        if (BitIsOn(b->down, i))

+        {

+            nevents = GetPointerEvents(eventlist, dev, ButtonRelease, i, 0, NULL);

+            for (j = 0; j < nevents; j++)

+                mieqProcessDeviceEvent(dev, (InternalEvent*)(eventlist+j)->event, NULL);

+        }

+    }

+

+    /* Release all keys */

+    for (i = 0; k && i < MAP_LENGTH; i++)

+    {

+        if (BitIsOn(k->down, i))

+        {

+            nevents = GetKeyboardEvents(eventlist, dev, KeyRelease, i);

+            for (j = 0; j < nevents; j++)

+                mieqProcessDeviceEvent(dev, (InternalEvent*)(eventlist+j)->event, NULL);

+        }

+    }

+

+    FreeEventList(eventlist, GetMaximumEventsNum());

+}

+

+/**

+ * Attach device 'dev' to device 'master'.

+ * Client is set to the client that issued the request, or NULL if it comes

+ * from some internal automatic pairing.

+ *

+ * Master may be NULL to set the device floating.

+ *

+ * We don't allow multi-layer hierarchies right now. You can't attach a slave

+ * to another slave.

+ */

+int

+AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master)

+{

+    ScreenPtr screen;

+    DeviceIntPtr oldmaster;

+    if (!dev || IsMaster(dev))

+        return BadDevice;

+

+    if (master && !IsMaster(master)) /* can't attach to slaves */

+        return BadDevice;

+

+    /* set from floating to floating? */

+    if (IsFloating(dev) && !master && dev->enabled)

+        return Success;

+

+    /* free the existing sprite. */

+    if (IsFloating(dev) && dev->spriteInfo->paired == dev)

+    {

+        screen = miPointerGetScreen(dev);

+        screen->DeviceCursorCleanup(dev, screen);

+        free(dev->spriteInfo->sprite);

+    }

+

+    ReleaseButtonsAndKeys(dev);

+

+    oldmaster = GetMaster(dev, MASTER_ATTACHED);

+    dev->master = master;

+

+    /* If device is set to floating, we need to create a sprite for it,

+     * otherwise things go bad. However, we don't want to render the cursor,

+     * so we reset spriteOwner.

+     * Sprite has to be forced to NULL first, otherwise InitializeSprite won't

+     * alloc new memory but overwrite the previous one.

+     */

+    if (!master)

+    {

+        WindowPtr currentRoot;

+

+        if (dev->spriteInfo->sprite)

+            currentRoot = GetCurrentRootWindow(dev);

+        else /* new device auto-set to floating */

+            currentRoot = screenInfo.screens[0]->root;

+

+        /* we need to init a fake sprite */

+        screen = currentRoot->drawable.pScreen;

+        screen->DeviceCursorInitialize(dev, screen);

+        dev->spriteInfo->sprite = NULL;

+        InitializeSprite(dev, currentRoot);

+        dev->spriteInfo->spriteOwner = FALSE;

+        dev->spriteInfo->paired = dev;

+    } else

+    {

+        dev->spriteInfo->sprite = master->spriteInfo->sprite;

+        dev->spriteInfo->paired = master;

+        dev->spriteInfo->spriteOwner = FALSE;

+

+        RecalculateMasterButtons(master);

+    }

+

+    /* XXX: in theory, the MD should change back to its old, original

+     * classes when the last SD is detached. Thanks to the XTEST devices,

+     * we'll always have an SD attached until the MD is removed.

+     * So let's not worry about that.

+     */

+

+    return Success;

+}

+

+/**

+ * Return the device paired with the given device or NULL.

+ * Returns the device paired with the parent master if the given device is a

+ * slave device.

+ */

+DeviceIntPtr

+GetPairedDevice(DeviceIntPtr dev)

+{

+    if (!IsMaster(dev) && !IsFloating(dev))

+        dev = GetMaster(dev, MASTER_ATTACHED);

+

+    return dev->spriteInfo->paired;

+}

+

+

+/**

+ * Returns the right master for the type of event needed. If the event is a

+ * keyboard event.

+ * This function may be called with a master device as argument. If so, the

+ * returned master is either the device itself or the paired master device.

+ * If dev is a floating slave device, NULL is returned.

+ *

+ * @type ::MASTER_KEYBOARD or ::MASTER_POINTER or ::MASTER_ATTACHED

+ * @return The requested master device. In the case of MASTER_ATTACHED, this

+ * is the directly attached master to this device, regardless of the type.

+ * Otherwise, it is either the master keyboard or pointer for this device.

+ */

+DeviceIntPtr

+GetMaster(DeviceIntPtr dev, int which)

+{

+    DeviceIntPtr master;

+

+    if (IsMaster(dev))

+        master = dev;

+    else

+        master = dev->master;

+

+    if (master && which != MASTER_ATTACHED)

+    {

+        if (which == MASTER_KEYBOARD)

+        {

+            if (master->type != MASTER_KEYBOARD)

+                master = GetPairedDevice(master);

+        } else

+        {

+            if (master->type != MASTER_POINTER)

+                master = GetPairedDevice(master);

+        }

+    }

+

+    return master;

+}

+

+/**

+ * Create a new device pair (== one pointer, one keyboard device).

+ * Only allocates the devices, you will need to call ActivateDevice() and

+ * EnableDevice() manually.

+ * Either a master or a slave device can be created depending on

+ * the value for master.

+ */

+int

+AllocDevicePair (ClientPtr client, char* name,

+                 DeviceIntPtr* ptr,

+                 DeviceIntPtr* keybd,

+                 DeviceProc ptr_proc,

+                 DeviceProc keybd_proc,

+                 Bool master)

+{

+    DeviceIntPtr pointer;

+    DeviceIntPtr keyboard;

+    *ptr = *keybd = NULL;

+

+    pointer = AddInputDevice(client, ptr_proc, TRUE);

+    if (!pointer)

+        return BadAlloc;

+

+    if (asprintf(&pointer->name, "%s pointer", name) == -1) {

+        pointer->name = NULL;

+        RemoveDevice(pointer, FALSE);

+        return BadAlloc;

+    }

+

+    pointer->public.processInputProc = ProcessOtherEvent;

+    pointer->public.realInputProc = ProcessOtherEvent;

+    XkbSetExtension(pointer, ProcessPointerEvent);

+    pointer->deviceGrab.ActivateGrab = ActivatePointerGrab;

+    pointer->deviceGrab.DeactivateGrab = DeactivatePointerGrab;

+    pointer->coreEvents = TRUE;

+    pointer->spriteInfo->spriteOwner = TRUE;

+

+    pointer->lastSlave = NULL;

+    pointer->last.slave = NULL;

+    pointer->type = (master) ? MASTER_POINTER : SLAVE;

+

+    keyboard = AddInputDevice(client, keybd_proc, TRUE);

+    if (!keyboard)

+    {

+        RemoveDevice(pointer, FALSE);

+        return BadAlloc;

+    }

+

+    if (asprintf(&keyboard->name, "%s keyboard", name) == -1) {

+        keyboard->name = NULL;

+        RemoveDevice(keyboard, FALSE);

+        RemoveDevice(pointer, FALSE);

+        return BadAlloc;

+    }

+

+    keyboard->public.processInputProc = ProcessOtherEvent;

+    keyboard->public.realInputProc = ProcessOtherEvent;

+    XkbSetExtension(keyboard, ProcessKeyboardEvent);

+    keyboard->deviceGrab.ActivateGrab = ActivateKeyboardGrab;

+    keyboard->deviceGrab.DeactivateGrab = DeactivateKeyboardGrab;

+    keyboard->coreEvents = TRUE;

+    keyboard->spriteInfo->spriteOwner = FALSE;

+

+    keyboard->lastSlave = NULL;

+    keyboard->last.slave = NULL;

+    keyboard->type = (master) ? MASTER_KEYBOARD : SLAVE;

+

+    /* The ClassesRec stores the device classes currently not used. */

+    pointer->unused_classes = calloc(1, sizeof(ClassesRec));

+    keyboard->unused_classes = calloc(1, sizeof(ClassesRec));

+

+    *ptr = pointer;

+    *keybd = keyboard;

+

+    return Success;

+}

+

+/**

+ * Return Relative or Absolute for the device.

+ */

+int valuator_get_mode(DeviceIntPtr dev, int axis)

+{

+    return (dev->valuator->axes[axis].mode & DeviceMode);

+}

+

+/**

+ * Set the given mode for the axis. If axis is VALUATOR_MODE_ALL_AXES, then

+ * set the mode for all axes.

+ */

+void valuator_set_mode(DeviceIntPtr dev, int axis, int mode)

+{

+    if (axis != VALUATOR_MODE_ALL_AXES)

+        dev->valuator->axes[axis].mode = mode;

+    else {

+        int i;

+        for (i = 0; i < dev->valuator->numAxes; i++)

+            dev->valuator->axes[i].mode = mode;

+    }

+}