Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 940 insertions, 0 deletions

diff --git a/xorg-server/dix/getevents.c b/xorg-server/dix/getevents.c
new file mode 100644
index 000000000..1e0edbf00
--- /dev/null
+++ b/xorg-server/dix/getevents.c
@@ -0,0 +1,940 @@
+/*
+ * Copyright © 2006 Nokia Corporation
+ * Copyright © 2006-2007 Daniel Stone
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Author: Daniel Stone <daniel@fooishbar.org>
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/keysym.h>
+#define NEED_EVENTS
+#define NEED_REPLIES
+#include <X11/Xproto.h>
+
+#include "misc.h"
+#include "resource.h"
+#include "inputstr.h"
+#include "scrnintstr.h"
+#include "cursorstr.h"
+#include "dixstruct.h"
+#include "globals.h"
+#include "dixevents.h"
+#include "mipointer.h"
+
+#ifdef XKB
+#include <X11/extensions/XKBproto.h>
+#include <xkbsrv.h>
+extern Bool XkbCopyKeymap(XkbDescPtr src, XkbDescPtr dst, Bool sendNotifies);
+#endif
+
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "exglobals.h"
+#include "exevents.h"
+#include "exglobals.h"
+#include "extnsionst.h"
+
+
+/* Maximum number of valuators, divided by six, rounded up, to get number
+ * of events. */
+#define MAX_VALUATOR_EVENTS 6
+
+/* Number of motion history events to store. */
+#define MOTION_HISTORY_SIZE 256
+
+
+/**
+ * Pick some arbitrary size for Xi motion history.
+ */
+_X_EXPORT int
+GetMotionHistorySize(void)
+{
+    return MOTION_HISTORY_SIZE;
+}
+
+static void
+set_key_down(DeviceIntPtr pDev, int key_code)
+{
+    pDev->key->postdown[key_code >> 3] |= (1 << (key_code & 7));
+}
+
+static void
+set_key_up(DeviceIntPtr pDev, int key_code)
+{
+    pDev->key->postdown[key_code >> 3] &= ~(1 << (key_code & 7));
+}
+
+static Bool
+key_is_down(DeviceIntPtr pDev, int key_code)
+{
+    return !!(pDev->key->postdown[key_code >> 3] & (1 << (key_code & 7)));
+}
+
+static Bool
+key_autorepeats(DeviceIntPtr pDev, int key_code)
+{
+    return !!(pDev->kbdfeed->ctrl.autoRepeats[key_code >> 3] &
+              (1 << (key_code & 7)));
+}
+
+/**
+ * Allocate the motion history buffer.
+ */
+_X_EXPORT void
+AllocateMotionHistory(DeviceIntPtr pDev)
+{
+    if (pDev->valuator->motion)
+        xfree(pDev->valuator->motion);
+
+    if (pDev->valuator->numMotionEvents < 1)
+        return;
+
+    pDev->valuator->motion = xalloc(((sizeof(INT32) * pDev->valuator->numAxes) +
+                                     sizeof(Time)) *
+                                    pDev->valuator->numMotionEvents);
+    pDev->valuator->first_motion = 0;
+    pDev->valuator->last_motion = 0;
+}
+
+
+/**
+ * Dump the motion history between start and stop into the supplied buffer.
+ * Only records the event for a given screen in theory, but in practice, we
+ * sort of ignore this.
+ */
+_X_EXPORT int
+GetMotionHistory(DeviceIntPtr pDev, xTimecoord *buff, unsigned long start,
+                 unsigned long stop, ScreenPtr pScreen)
+{
+    char *ibuff = NULL, *obuff = (char *) buff;
+    int i = 0, ret = 0;
+    Time current;
+    /* The size of a single motion event. */
+    int size = (sizeof(INT32) * pDev->valuator->numAxes) + sizeof(Time);
+
+    if (!pDev->valuator || !pDev->valuator->numMotionEvents)
+        return 0;
+
+    for (i = pDev->valuator->first_motion;
+         i != pDev->valuator->last_motion;
+         i = (i + 1) % pDev->valuator->numMotionEvents) {
+        /* We index the input buffer by which element we're accessing, which
+         * is not monotonic, and the output buffer by how many events we've
+         * written so far. */
+        ibuff = (char *) pDev->valuator->motion + (i * size);
+        memcpy(&current, ibuff, sizeof(Time));
+
+        if (current > stop) {
+            return ret;
+        }
+        else if (current >= start) {
+            memcpy(obuff, ibuff, size);
+            obuff += size;
+            ret++;
+        }
+    }
+
+    return ret;
+}
+
+
+/**
+ * Update the motion history for a specific device, with the list of
+ * valuators.
+ */
+static void
+updateMotionHistory(DeviceIntPtr pDev, CARD32 ms, int first_valuator,
+                    int num_valuators, int *valuators)
+{
+    char *buff = (char *) pDev->valuator->motion;
+
+    if (!pDev->valuator->numMotionEvents)
+        return;
+
+    buff += ((sizeof(INT32) * pDev->valuator->numAxes) + sizeof(CARD32)) *
+            pDev->valuator->last_motion;
+    memcpy(buff, &ms, sizeof(Time));
+
+    buff += sizeof(Time);
+    bzero(buff, sizeof(INT32) * pDev->valuator->numAxes);
+
+    buff += sizeof(INT32) * first_valuator;
+    memcpy(buff, valuators, sizeof(INT32) * num_valuators);
+
+    pDev->valuator->last_motion = (pDev->valuator->last_motion + 1) %
+                                  pDev->valuator->numMotionEvents;
+
+    /* If we're wrapping around, just keep the circular buffer going. */
+    if (pDev->valuator->first_motion == pDev->valuator->last_motion)
+        pDev->valuator->first_motion = (pDev->valuator->first_motion + 1) %
+                                       pDev->valuator->numMotionEvents;
+
+    return;
+}
+
+
+/**
+ * Returns the maximum number of events GetKeyboardEvents,
+ * GetKeyboardValuatorEvents, and GetPointerEvents will ever return.
+ *
+ * Should be used in DIX as:
+ * xEvent *events = xcalloc(sizeof(xEvent), GetMaximumEventsNum());
+ *
+ * This MUST be absolutely constant, from init until exit.
+ */
+_X_EXPORT int
+GetMaximumEventsNum(void) {
+    /* Two base events -- core and device, plus valuator events.  Multiply
+     * by two if we're doing non-XKB key repeats. */
+    int ret = 2 + MAX_VALUATOR_EVENTS;
+
+#ifdef XKB
+    if (noXkbExtension)
+#endif
+        ret *= 2;
+
+    return ret;
+}
+
+
+/* Originally a part of xf86PostMotionEvent; modifies valuators
+ * in-place. */
+static void
+acceleratePointer(DeviceIntPtr pDev, int first_valuator, int num_valuators,
+                  int *valuators)
+{
+    float mult = 0.0;
+    int dx = 0, dy = 0;
+    int *px = NULL, *py = NULL;
+
+    if (!num_valuators || !valuators)
+        return;
+
+    if (first_valuator == 0) {
+        dx = valuators[0];
+        px = &valuators[0];
+    }
+    if (first_valuator <= 1 && num_valuators >= (2 - first_valuator)) {
+        dy = valuators[1 - first_valuator];
+        py = &valuators[1 - first_valuator];
+    }
+
+    if (!dx && !dy)
+        return;
+
+    if (pDev->ptrfeed && pDev->ptrfeed->ctrl.num) {
+        /* modeled from xf86Events.c */
+        if (pDev->ptrfeed->ctrl.threshold) {
+            if ((abs(dx) + abs(dy)) >= pDev->ptrfeed->ctrl.threshold) {
+                pDev->valuator->dxremaind = ((float)dx *
+                                             (float)(pDev->ptrfeed->ctrl.num)) /
+                                             (float)(pDev->ptrfeed->ctrl.den) +
+                                            pDev->valuator->dxremaind;
+                if (px) {
+                    *px = (int)pDev->valuator->dxremaind;
+                    pDev->valuator->dxremaind = pDev->valuator->dxremaind -
+                                                (float)(*px);
+                }
+
+                pDev->valuator->dyremaind = ((float)dy *
+                                             (float)(pDev->ptrfeed->ctrl.num)) /
+                                             (float)(pDev->ptrfeed->ctrl.den) +
+                                            pDev->valuator->dyremaind;
+                if (py) {
+                    *py = (int)pDev->valuator->dyremaind;
+                    pDev->valuator->dyremaind = pDev->valuator->dyremaind -
+                                                (float)(*py);
+                }
+            }
+        }
+        else {
+	    mult = pow((float)dx * (float)dx + (float)dy * (float)dy,
+                       ((float)(pDev->ptrfeed->ctrl.num) /
+                        (float)(pDev->ptrfeed->ctrl.den) - 1.0) /
+                       2.0) / 2.0;
+            if (dx) {
+                pDev->valuator->dxremaind = mult * (float)dx +
+                                            pDev->valuator->dxremaind;
+                *px = (int)pDev->valuator->dxremaind;
+                pDev->valuator->dxremaind = pDev->valuator->dxremaind -
+                                            (float)(*px);
+            }
+            if (dy) {
+                pDev->valuator->dyremaind = mult * (float)dy +
+                                            pDev->valuator->dyremaind;
+                *py = (int)pDev->valuator->dyremaind;
+                pDev->valuator->dyremaind = pDev->valuator->dyremaind -
+                                            (float)(*py);
+            }
+        }
+    }
+}
+
+
+/**
+ * Clip an axis to its bounds, which are declared in the call to
+ * InitValuatorAxisClassStruct.
+ */
+static void
+clipAxis(DeviceIntPtr pDev, int axisNum, int *val)
+{
+    AxisInfoPtr axes = pDev->valuator->axes + axisNum;
+
+    /* No clipping if the value-range <= 0 */
+    if(axes->min_value < axes->min_value) {
+        if (*val < axes->min_value)
+            *val = axes->min_value;
+        if (*val > axes->max_value)
+            *val = axes->max_value;
+    }
+}
+
+/**
+ * Clip every axis in the list of valuators to its bounds.
+ */
+static void
+clipValuators(DeviceIntPtr pDev, int first_valuator, int num_valuators,
+              int *valuators)
+{
+    AxisInfoPtr axes = pDev->valuator->axes + first_valuator;
+    int i;
+
+    for (i = 0; i < num_valuators; i++, axes++)
+        clipAxis(pDev, i + first_valuator, &(valuators[i]));
+}
+
+
+/**
+ * Fills events with valuator events for pDev, as given by the other
+ * parameters.
+ *
+ * FIXME: Need to fix ValuatorClassRec to store all the valuators as
+ *        last posted, not just x and y; otherwise relative non-x/y
+ *        valuators, though a very narrow use case, will be broken.
+ */
+static xEvent *
+getValuatorEvents(xEvent *events, DeviceIntPtr pDev, int first_valuator,
+                  int num_valuators, int *valuators) {
+    deviceValuator *xv = (deviceValuator *) events;
+    int i = 0, final_valuator = first_valuator + num_valuators;
+
+    for (i = first_valuator; i < final_valuator; i += 6, xv++, events++) {
+        xv->type = DeviceValuator;
+        xv->first_valuator = i;
+        xv->num_valuators = ((final_valuator - i) > 6) ? 6 : (final_valuator - i);
+        xv->deviceid = pDev->id;
+        switch (final_valuator - i) {
+        case 6:
+            xv->valuator5 = valuators[i + 5];
+        case 5:
+            xv->valuator4 = valuators[i + 4];
+        case 4:
+            xv->valuator3 = valuators[i + 3];
+        case 3:
+            xv->valuator2 = valuators[i + 2];
+        case 2:
+            xv->valuator1 = valuators[i + 1];
+        case 1:
+            xv->valuator0 = valuators[i];
+        }
+
+        if (i + 6 < final_valuator)
+            xv->deviceid |= MORE_EVENTS;
+    }
+
+    return events;
+}
+
+
+/**
+ * Convenience wrapper around GetKeyboardValuatorEvents, that takes no
+ * valuators.
+ */
+_X_EXPORT int
+GetKeyboardEvents(xEvent *events, DeviceIntPtr pDev, int type, int key_code) {
+    return GetKeyboardValuatorEvents(events, pDev, type, key_code, 0, 0, NULL);
+}
+
+
+/**
+ * Returns a set of keyboard events for KeyPress/KeyRelease, optionally
+ * also with valuator events.  Handles Xi and XKB.
+ *
+ * events is not NULL-terminated; the return value is the number of events.
+ * The DDX is responsible for allocating the event structure in the first
+ * place via GetMaximumEventsNum(), and for freeing it.
+ *
+ * This function does not change the core keymap to that of the device;
+ * that is done by SwitchCoreKeyboard, which is called from
+ * mieqProcessInputEvents.  If replacing that function, take care to call
+ * SetCoreKeyboard before processInputProc, so keymaps are altered to suit.
+ *
+ * Note that this function recurses!  If called for non-XKB, a repeating
+ * key press will trigger a matching KeyRelease, as well as the
+ * KeyPresses.
+ */
+_X_EXPORT int
+GetKeyboardValuatorEvents(xEvent *events, DeviceIntPtr pDev, int type,
+                          int key_code, int first_valuator,
+                          int num_valuators, int *valuators) {
+    int numEvents = 0;
+    CARD32 ms = 0;
+    KeySym *map = pDev->key->curKeySyms.map;
+    KeySym sym;
+    deviceKeyButtonPointer *kbp = NULL;
+
+    if (!events)
+        return 0;
+
+    /* DO NOT WANT */
+    if (type != KeyPress && type != KeyRelease)
+        return 0;
+
+    if (!pDev->key || !pDev->focus || !pDev->kbdfeed ||
+        (pDev->coreEvents && !inputInfo.keyboard->key))
+        return 0;
+
+    if (key_code < 8 || key_code > 255)
+        return 0;
+
+    sym = map[(key_code - pDev->key->curKeySyms.minKeyCode)
+              * pDev->key->curKeySyms.mapWidth];
+
+    if (pDev->coreEvents)
+        numEvents = 2;
+    else
+        numEvents = 1;
+
+    if (num_valuators) {
+        if ((num_valuators / 6) + 1 > MAX_VALUATOR_EVENTS)
+            num_valuators = MAX_VALUATOR_EVENTS;
+        numEvents += (num_valuators / 6) + 1;
+    }
+
+#ifdef XKB
+    if (noXkbExtension)
+#endif
+    {
+        switch (sym) {
+            case XK_Num_Lock:
+            case XK_Caps_Lock:
+            case XK_Scroll_Lock:
+            case XK_Shift_Lock:
+                if (type == KeyRelease)
+                    return 0;
+                else if (type == KeyPress && key_is_down(pDev, key_code))
+                    type = KeyRelease;
+        }
+    }
+
+    /* Handle core repeating, via press/release/press/release.
+     * FIXME: In theory, if you're repeating with two keyboards in non-XKB,
+     *        you could get unbalanced events here. */
+    if (type == KeyPress && key_is_down(pDev, key_code)) {
+        /* If autorepeating is disabled either globally or just for that key,
+         * or we have a modifier, don't generate a repeat event. */
+        if (!pDev->kbdfeed->ctrl.autoRepeat ||
+            !key_autorepeats(pDev, key_code) ||
+            pDev->key->modifierMap[key_code])
+            return 0;
+
+#ifdef XKB
+        if (noXkbExtension)
+#endif
+        {
+            numEvents += GetKeyboardValuatorEvents(events, pDev,
+                                                   KeyRelease, key_code,
+                                                   first_valuator, num_valuators,
+                                                   valuators);
+            events += numEvents;
+        }
+    }
+
+    ms = GetTimeInMillis();
+
+    if (pDev->coreEvents) {
+        events->u.keyButtonPointer.time = ms;
+        events->u.u.type = type;
+        events->u.u.detail = key_code;
+        if (type == KeyPress)
+	    set_key_down(inputInfo.keyboard, key_code);
+        else if (type == KeyRelease)
+	    set_key_up(inputInfo.keyboard, key_code);
+        events++;
+    }
+
+    kbp = (deviceKeyButtonPointer *) events;
+    kbp->time = ms;
+    kbp->deviceid = pDev->id;
+    kbp->detail = key_code;
+    if (type == KeyPress) {
+        kbp->type = DeviceKeyPress;
+	set_key_down(pDev, key_code);
+    }
+    else if (type == KeyRelease) {
+        kbp->type = DeviceKeyRelease;
+	set_key_up(pDev, key_code);
+    }
+
+    events++;
+    if (num_valuators) {
+        kbp->deviceid |= MORE_EVENTS;
+        clipValuators(pDev, first_valuator, num_valuators, valuators);
+        events = getValuatorEvents(events, pDev, first_valuator,
+                                   num_valuators, valuators);
+    }
+
+    return numEvents;
+}
+
+
+/**
+ * Generate a series of xEvents (returned in xE) representing pointer
+ * motion, or button presses.  Xi and XKB-aware.
+ *
+ * events is not NULL-terminated; the return value is the number of events.
+ * The DDX is responsible for allocating the event structure in the first
+ * place via GetMaximumEventsNum(), and for freeing it.
+ */
+_X_EXPORT int
+GetPointerEvents(xEvent *events, DeviceIntPtr pDev, int type, int buttons,
+                 int flags, int first_valuator, int num_valuators,
+                 int *valuators) {
+    int num_events = 0, final_valuator = 0;
+    CARD32 ms = 0;
+    deviceKeyButtonPointer *kbp = NULL;
+    DeviceIntPtr cp = inputInfo.pointer;
+    int x = 0, y = 0;
+    Bool coreOnly = (pDev == inputInfo.pointer);
+    ScreenPtr scr = miPointerGetScreen(pDev);
+
+    /* Sanity checks. */
+    if (type != MotionNotify && type != ButtonPress && type != ButtonRelease)
+        return 0;
+
+    if ((type == ButtonPress || type == ButtonRelease) && !pDev->button)
+        return 0;
+
+    /* FIXME: I guess it should, in theory, be possible to post button events
+     *        from devices without valuators. */
+    if (!pDev->valuator)
+        return 0;
+
+    if (!coreOnly && pDev->coreEvents)
+        num_events = 2;
+    else
+        num_events = 1;
+
+    if (type == MotionNotify && num_valuators <= 0)
+        return 0;
+
+    /* Do we need to send a DeviceValuator event? */
+    if (!coreOnly && num_valuators) {
+        if ((((num_valuators - 1) / 6) + 1) > MAX_VALUATOR_EVENTS)
+            num_valuators = MAX_VALUATOR_EVENTS * 6;
+        num_events += ((num_valuators - 1) / 6) + 1;
+    }
+
+    final_valuator = num_valuators + first_valuator;
+
+    /* You fail. */
+    if (first_valuator < 0 || final_valuator > pDev->valuator->numAxes)
+        return 0;
+
+    ms = GetTimeInMillis();
+
+    /* Set x and y based on whether this is absolute or relative, and
+     * accelerate if we need to. */
+    if (flags & POINTER_ABSOLUTE) {
+        if (num_valuators >= 1 && first_valuator == 0) {
+            x = valuators[0];
+        }
+        else {
+            /* If we're sending core events but didn't provide a value,
+             * translate the core value (but use the device coord if
+             * it translates to the same coord to preserve sub-pixel
+             * coord information). If we're not sending core events use
+             * whatever value we have */
+            x = pDev->valuator->lastx;
+            if(pDev->coreEvents) {
+                int min = pDev->valuator->axes[0].min_value;
+                int max = pDev->valuator->axes[0].max_value;
+                if(min < max) {
+                    if((int)((float)(x-min)*scr->width/(max-min+1)) != cp->valuator->lastx)
+                        x = (int)((float)(cp->valuator->lastx)*(max-min+1)/scr->width)+min;
+                }
+                else
+                    x = cp->valuator->lastx;
+            }
+        }
+
+        if (first_valuator <= 1 && num_valuators >= (2 - first_valuator)) {
+            y = valuators[1 - first_valuator];
+        }
+        else {
+            y = pDev->valuator->lasty;
+            if(pDev->coreEvents) {
+                int min = pDev->valuator->axes[1].min_value;
+                int max = pDev->valuator->axes[1].max_value;
+                if(min < max) {
+                    if((int)((float)(y-min)*scr->height/(max-min+1)) != cp->valuator->lasty)
+                        y = (int)((float)(cp->valuator->lasty)*(max-min+1)/scr->height)+min;
+                }
+                else
+                    y = cp->valuator->lasty;
+            }
+        }
+
+        /* Clip both x and y to the defined limits (usually co-ord space limit). */
+        clipAxis(pDev, 0, &x);
+        clipAxis(pDev, 1, &y);
+    }
+    else {
+        if (flags & POINTER_ACCELERATE)
+            acceleratePointer(pDev, first_valuator, num_valuators,
+                              valuators);
+
+        if (pDev->coreEvents) {
+            /* Get and convert the core pointer coordinate space into
+             * device coordinates. Use the device coords if it translates
+             * into the same position as the core to preserve relative sub-
+             * pixel movements from the device. */
+            int min = pDev->valuator->axes[0].min_value;
+            int max = pDev->valuator->axes[0].max_value;
+            if(min < max) {
+                x = pDev->valuator->lastx;
+                if((int)((float)(x-min)*scr->width/(max-min+1)) != cp->valuator->lastx)
+                    x = (int)((float)(cp->valuator->lastx)*(max-min+1)/scr->width)+min;
+            }
+            else
+                x = cp->valuator->lastx;
+
+            min = pDev->valuator->axes[1].min_value;
+            max = pDev->valuator->axes[1].max_value;
+            if(min < max) {
+                y = pDev->valuator->lasty;
+                if((int)((float)(y-min)*scr->height/(max-min+1)) != cp->valuator->lasty)
+                    y = (int)((float)(cp->valuator->lasty)*(max-min+1)/scr->height)+min;
+            }
+            else
+                y = cp->valuator->lasty;
+
+            /* Add relative movement */
+            if (first_valuator == 0 && num_valuators >= 1)
+                x += valuators[0];
+            if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
+                y += valuators[1 - first_valuator];
+        }
+        else {
+            x = pDev->valuator->lastx;
+            y = pDev->valuator->lasty;
+            if (first_valuator == 0 && num_valuators >= 1)
+                x += valuators[0];
+            if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
+                y += valuators[1 - first_valuator];
+
+            if(!coreOnly) {
+                /* Since we're not sending core-events we must clip both x and y
+                 * to the defined limits so we don't run outside the box. */
+                clipAxis(pDev, 0, &x);
+                clipAxis(pDev, 1, &y);
+            }
+        }
+    }
+
+    pDev->valuator->lastx = x;
+    pDev->valuator->lasty = y;
+    /* Convert the dev coord back to screen coord if we're
+     * sending core events */
+    if (pDev->coreEvents) {
+        int min = pDev->valuator->axes[0].min_value;
+        int max = pDev->valuator->axes[0].max_value;
+        if(min < max)
+            x = (int)((float)(x-min)*scr->width/(max-min+1));
+        cp->valuator->lastx = x;
+        min = pDev->valuator->axes[1].min_value;
+        max = pDev->valuator->axes[1].max_value;
+        if(min < max)
+            y = (int)((float)(y-min)*scr->height/(max-min+1));
+        cp->valuator->lasty = y;
+    }
+
+    /* This takes care of crossing screens for us, as well as clipping
+     * to the current screen.  Right now, we only have one history buffer,
+     * so we don't set this for both the device and core.*/
+    miPointerSetPosition(pDev, &x, &y, ms);
+
+    if (pDev->coreEvents) {
+        /* miPointerSetPosition may have changed screen */
+        scr = miPointerGetScreen(pDev);
+        if(x != cp->valuator->lastx) {
+            int min = pDev->valuator->axes[0].min_value;
+            int max = pDev->valuator->axes[0].max_value;
+            cp->valuator->lastx = pDev->valuator->lastx = x;
+            if(min < max)
+                pDev->valuator->lastx = (int)((float)(x)*(max-min+1)/scr->width)+min;
+        }
+        if(y != cp->valuator->lasty) {
+            int min = pDev->valuator->axes[1].min_value;
+            int max = pDev->valuator->axes[1].max_value;
+            cp->valuator->lasty = pDev->valuator->lasty = y;
+            if(min < max)
+                pDev->valuator->lasty = (int)((float)(y)*(max-min+1)/scr->height)+min;
+        }
+    }
+    else if (coreOnly) {
+        cp->valuator->lastx = x;
+        cp->valuator->lasty = y;
+    }
+
+    /* Drop x and y back into the valuators list, if they were originally
+     * present. */
+    if (first_valuator == 0 && num_valuators >= 1)
+        valuators[0] = pDev->valuator->lastx;
+    if (first_valuator <= 1 && num_valuators >= (2 - first_valuator))
+        valuators[1 - first_valuator] = pDev->valuator->lasty;
+
+    updateMotionHistory(pDev, ms, first_valuator, num_valuators, valuators);
+
+    /* for some reason inputInfo.pointer does not have coreEvents set */
+    if (coreOnly || pDev->coreEvents) {
+        events->u.u.type = type;
+        events->u.keyButtonPointer.time = ms;
+        events->u.keyButtonPointer.rootX = x;
+        events->u.keyButtonPointer.rootY = y;
+
+        if (type == ButtonPress || type == ButtonRelease) {
+            /* We hijack SetPointerMapping to work on all core-sending
+             * devices, so we use the device-specific map here instead of
+             * the core one. */
+            events->u.u.detail = pDev->button->map[buttons];
+        }
+        else {
+            events->u.u.detail = 0;
+        }
+
+        events++;
+    }
+
+    if (!coreOnly) {
+        kbp = (deviceKeyButtonPointer *) events;
+        kbp->time = ms;
+        kbp->deviceid = pDev->id;
+
+        if (type == MotionNotify) {
+            kbp->type = DeviceMotionNotify;
+        }
+        else {
+            if (type == ButtonPress)
+                kbp->type = DeviceButtonPress;
+            else if (type == ButtonRelease)
+                kbp->type = DeviceButtonRelease;
+            kbp->detail = pDev->button->map[buttons];
+        }
+
+        kbp->root_x = pDev->valuator->lastx;
+        kbp->root_y = pDev->valuator->lasty;
+
+        events++;
+        if (num_valuators) {
+            kbp->deviceid |= MORE_EVENTS;
+            clipValuators(pDev, first_valuator, num_valuators, valuators);
+            events = getValuatorEvents(events, pDev, first_valuator,
+                                       num_valuators, valuators);
+        }
+    }
+
+    return num_events;
+}
+
+
+/**
+ * Post ProximityIn/ProximityOut events, accompanied by valuators.
+ *
+ * events is not NULL-terminated; the return value is the number of events.
+ * The DDX is responsible for allocating the event structure in the first
+ * place via GetMaximumEventsNum(), and for freeing it.
+ */
+_X_EXPORT int
+GetProximityEvents(xEvent *events, DeviceIntPtr pDev, int type,
+                   int first_valuator, int num_valuators, int *valuators)
+{
+    int num_events = 1;
+    deviceKeyButtonPointer *kbp = (deviceKeyButtonPointer *) events;
+
+    /* Sanity checks. */
+    if (type != ProximityIn && type != ProximityOut)
+        return 0;
+
+    if (!pDev->valuator)
+        return 0;
+
+    /* Do we need to send a DeviceValuator event? */
+    if ((pDev->valuator->mode & 1) == Relative)
+        num_valuators = 0;
+
+    if (num_valuators) {
+        if ((((num_valuators - 1) / 6) + 1) > MAX_VALUATOR_EVENTS)
+            num_valuators = MAX_VALUATOR_EVENTS * 6;
+        num_events += ((num_valuators - 1) / 6) + 1;
+    }
+
+    /* You fail. */
+    if (first_valuator < 0 ||
+        (num_valuators + first_valuator) > pDev->valuator->numAxes)
+        return 0;
+
+    kbp->type = type;
+    kbp->deviceid = pDev->id;
+    kbp->detail = 0;
+    kbp->time = GetTimeInMillis();
+
+    if (num_valuators) {
+        kbp->deviceid |= MORE_EVENTS;
+        events++;
+        clipValuators(pDev, first_valuator, num_valuators, valuators);
+        events = getValuatorEvents(events, pDev, first_valuator,
+                                   num_valuators, valuators);
+    }
+
+    return num_events;
+}
+
+
+/**
+ * Note that pDev was the last device to send a core event.  This function
+ * copies the complete keymap from the originating device to the core
+ * device, and makes sure the appropriate notifications are generated.
+ *
+ * Call this just before processInputProc.
+ */
+_X_EXPORT void
+SwitchCoreKeyboard(DeviceIntPtr pDev)
+{
+    KeyClassPtr ckeyc = inputInfo.keyboard->key;
+    int i = 0;
+
+    if (pDev != dixLookupPrivate(&inputInfo.keyboard->devPrivates,
+				 CoreDevicePrivateKey)) {
+        memcpy(ckeyc->modifierMap, pDev->key->modifierMap, MAP_LENGTH);
+        if (ckeyc->modifierKeyMap)
+            xfree(ckeyc->modifierKeyMap);
+        ckeyc->modifierKeyMap = xalloc(8 * pDev->key->maxKeysPerModifier);
+        memcpy(ckeyc->modifierKeyMap, pDev->key->modifierKeyMap,
+                (8 * pDev->key->maxKeysPerModifier));
+
+        ckeyc->maxKeysPerModifier = pDev->key->maxKeysPerModifier;
+        ckeyc->curKeySyms.minKeyCode = pDev->key->curKeySyms.minKeyCode;
+        ckeyc->curKeySyms.maxKeyCode = pDev->key->curKeySyms.maxKeyCode;
+        SetKeySymsMap(&ckeyc->curKeySyms, &pDev->key->curKeySyms);
+
+        /*
+         * Copy state from the extended keyboard to core.  If you omit this,
+         * holding Ctrl on keyboard one, and pressing Q on keyboard two, will
+         * cause your app to quit.  This feels wrong to me, hence the below
+         * code.
+         *
+         * XXX: If you synthesise core modifier events, the state will get
+         *      clobbered here.  You'll have to work out something sensible
+         *      to fix that.  Good luck.
+         */
+
+#define KEYBOARD_MASK (ShiftMask | LockMask | ControlMask | Mod1Mask | \
+                       Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask)
+        ckeyc->state &= ~(KEYBOARD_MASK);
+        ckeyc->state |= (pDev->key->state & KEYBOARD_MASK);
+#undef KEYBOARD_MASK
+        for (i = 0; i < 8; i++)
+            ckeyc->modifierKeyCount[i] = pDev->key->modifierKeyCount[i];
+
+#ifdef XKB
+        if (!noXkbExtension && pDev->key->xkbInfo && pDev->key->xkbInfo->desc) {
+            if (!XkbCopyKeymap(pDev->key->xkbInfo->desc, ckeyc->xkbInfo->desc,
+                               True))
+                FatalError("Couldn't pivot keymap from device to core!\n");
+        }
+#endif
+
+        SendMappingNotify(MappingKeyboard, ckeyc->curKeySyms.minKeyCode,
+                          (ckeyc->curKeySyms.maxKeyCode -
+                           ckeyc->curKeySyms.minKeyCode),
+                          serverClient);
+	dixSetPrivate(&inputInfo.keyboard->devPrivates, CoreDevicePrivateKey,
+		      pDev);
+    }
+}
+
+
+/**
+ * Note that pDev was the last function to send a core pointer event.
+ * Currently a no-op.
+ *
+ * Call this just before processInputProc.
+ */
+_X_EXPORT void
+SwitchCorePointer(DeviceIntPtr pDev)
+{
+    if (pDev != dixLookupPrivate(&inputInfo.pointer->devPrivates,
+				 CoreDevicePrivateKey))
+	dixSetPrivate(&inputInfo.pointer->devPrivates,
+		      CoreDevicePrivateKey, pDev);
+}
+
+
+/**
+ * Synthesize a single motion event for the core pointer.
+ *
+ * Used in cursor functions, e.g. when cursor confinement changes, and we need
+ * to shift the pointer to get it inside the new bounds.
+ */
+void
+PostSyntheticMotion(int x, int y, int screen, unsigned long time)
+{
+    xEvent xE;
+
+#ifdef PANORAMIX
+    /* Translate back to the sprite screen since processInputProc
+       will translate from sprite screen to screen 0 upon reentry
+       to the DIX layer. */
+    if (!noPanoramiXExtension) {
+        x += panoramiXdataPtr[0].x - panoramiXdataPtr[screen].x;
+        y += panoramiXdataPtr[0].y - panoramiXdataPtr[screen].y;
+    }
+#endif
+
+    memset(&xE, 0, sizeof(xEvent));
+    xE.u.u.type = MotionNotify;
+    xE.u.keyButtonPointer.rootX = x;
+    xE.u.keyButtonPointer.rootY = y;
+    xE.u.keyButtonPointer.time = time;
+
+    (*inputInfo.pointer->public.processInputProc)(&xE, inputInfo.pointer, 1);
+}