Merge branch 'sunweaver-pr/libnx-x11-autoreconf' into 3.6.x

Attributes GH PR #498: https://github.com/ArcticaProject/nx-libs/pull/498

1 files changed, 843 insertions, 0 deletions

diff --git a/nx-X11/lib/src/xkb/XKBExtDev.c b/nx-X11/lib/src/xkb/XKBExtDev.c
new file mode 100644
index 000000000..cb40ecd04
--- /dev/null
+++ b/nx-X11/lib/src/xkb/XKBExtDev.c
@@ -0,0 +1,843 @@
+/************************************************************
+Copyright (c) 1995 by Silicon Graphics Computer Systems, Inc.
+
+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 Silicon Graphics not be
+used in advertising or publicity pertaining to distribution
+of the software without specific prior written permission.
+Silicon Graphics makes no representation about the suitability
+of this software for any purpose. It is provided "as is"
+without any express or implied warranty.
+
+SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+GRAPHICS 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_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#define	NEED_MAP_READERS
+#include "Xlibint.h"
+#include <nx-X11/extensions/XKBproto.h>
+#include "XKBlibint.h"
+#include <nx-X11/extensions/XI.h>
+
+/***====================================================================***/
+
+void
+XkbNoteDeviceChanges(XkbDeviceChangesPtr old,
+                     XkbExtensionDeviceNotifyEvent *new,
+                     unsigned int wanted)
+{
+    if ((!old) || (!new) || (!wanted) || ((new->reason & wanted) == 0))
+        return;
+    if ((wanted & new->reason) & XkbXI_ButtonActionsMask) {
+        if (old->changed & XkbXI_ButtonActionsMask) {
+            int first, last, newLast;
+
+            if (new->first_btn < old->first_btn)
+                first = new->first_btn;
+            else
+                first = old->first_btn;
+            last = old->first_btn + old->num_btns - 1;
+            newLast = new->first_btn + new->num_btns - 1;
+            if (newLast > last)
+                last = newLast;
+            old->first_btn = first;
+            old->num_btns = (last - first) + 1;
+        }
+        else {
+            old->changed |= XkbXI_ButtonActionsMask;
+            old->first_btn = new->first_btn;
+            old->num_btns = new->num_btns;
+        }
+    }
+    if ((wanted & new->reason) & XkbXI_IndicatorsMask) {
+        XkbDeviceLedChangesPtr this;
+
+        if (old->changed & XkbXI_IndicatorsMask) {
+            XkbDeviceLedChangesPtr found = NULL;
+
+            for (this = &old->leds; this && (!found); this = this->next) {
+                if ((this->led_class == new->led_class) &&
+                    (this->led_id == new->led_id)) {
+                    found = this;
+                }
+            }
+            if (!found) {
+                found = _XkbTypedCalloc(1, XkbDeviceLedChangesRec);
+                if (!found)
+                    return;
+                found->next = old->leds.next;
+                found->led_class = new->led_class;
+                found->led_id = new->led_id;
+                old->leds.next = found;
+            }
+            if ((wanted & new->reason) & XkbXI_IndicatorNamesMask)
+                found->defined = new->leds_defined;
+        }
+        else {
+            old->changed |= ((wanted & new->reason) & XkbXI_IndicatorsMask);
+            old->leds.led_class = new->led_class;
+            old->leds.led_id = new->led_id;
+            old->leds.defined = new->leds_defined;
+            if (old->leds.next) {
+                XkbDeviceLedChangesPtr next;
+
+                for (this = old->leds.next; this; this = next) {
+                    next = this->next;
+                    _XkbFree(this);
+                }
+                old->leds.next = NULL;
+            }
+        }
+    }
+    return;
+}
+
+/***====================================================================***/
+
+static Status
+_XkbReadDeviceLedInfo(XkbReadBufferPtr buf,
+                      unsigned present,
+                      XkbDeviceInfoPtr devi)
+{
+    register unsigned i, bit;
+    XkbDeviceLedInfoPtr devli;
+    xkbDeviceLedsWireDesc *wireli;
+
+    wireli = _XkbGetTypedRdBufPtr(buf, 1, xkbDeviceLedsWireDesc);
+    if (!wireli)
+        return BadLength;
+    devli = XkbAddDeviceLedInfo(devi, wireli->ledClass, wireli->ledID);
+    if (!devli)
+        return BadAlloc;
+    devli->phys_indicators = wireli->physIndicators;
+
+    if (present & XkbXI_IndicatorStateMask)
+        devli->state = wireli->state;
+
+    if (present & XkbXI_IndicatorNamesMask) {
+        devli->names_present = wireli->namesPresent;
+        if (devli->names_present) {
+            for (i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1) {
+                if (wireli->namesPresent & bit) {
+                    if (!_XkbCopyFromReadBuffer(buf,
+                                                (char *) &devli->names[i], 4))
+                        return BadLength;
+                }
+            }
+        }
+    }
+
+    if (present & XkbXI_IndicatorMapsMask) {
+        devli->maps_present = wireli->mapsPresent;
+        if (devli->maps_present) {
+            XkbIndicatorMapPtr im;
+            xkbIndicatorMapWireDesc *wireim;
+
+            for (i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1) {
+                if (wireli->mapsPresent & bit) {
+                    wireim =
+                        _XkbGetTypedRdBufPtr(buf, 1, xkbIndicatorMapWireDesc);
+                    if (!wireim)
+                        return BadAlloc;
+                    im = &devli->maps[i];
+                    im->flags = wireim->flags;
+                    im->which_groups = wireim->whichGroups;
+                    im->groups = wireim->groups;
+                    im->which_mods = wireim->whichMods;
+                    im->mods.mask = wireim->mods;
+                    im->mods.real_mods = wireim->realMods;
+                    im->mods.vmods = wireim->virtualMods;
+                    im->ctrls = wireim->ctrls;
+                }
+            }
+        }
+    }
+    return Success;
+}
+
+static Status
+_XkbReadGetDeviceInfoReply(Display *dpy,
+                           xkbGetDeviceInfoReply *rep,
+                           XkbDeviceInfoPtr devi)
+{
+    XkbReadBufferRec buf;
+    XkbAction *act;
+    int tmp;
+
+    if (!_XkbInitReadBuffer(dpy, &buf, (int) rep->length * 4))
+        return BadAlloc;
+
+    if ((rep->totalBtns > 0) && (rep->totalBtns != devi->num_btns)) {
+        tmp = XkbResizeDeviceButtonActions(devi, rep->totalBtns);
+        if (tmp != Success)
+            return tmp;
+    }
+    if (rep->nBtnsWanted > 0) {
+        if (((unsigned short) rep->firstBtnWanted + rep->nBtnsWanted)
+            >= devi->num_btns)
+            goto BAILOUT;
+        act = &devi->btn_acts[rep->firstBtnWanted];
+        bzero((char *) act, (rep->nBtnsWanted * sizeof(XkbAction)));
+    }
+
+    _XkbFree(devi->name);
+    if (!_XkbGetReadBufferCountedString(&buf, &devi->name))
+        goto BAILOUT;
+    if (rep->nBtnsRtrn > 0) {
+        int size;
+
+        if (((unsigned short) rep->firstBtnRtrn + rep->nBtnsRtrn)
+            >= devi->num_btns)
+            goto BAILOUT;
+        act = &devi->btn_acts[rep->firstBtnRtrn];
+        size = rep->nBtnsRtrn * SIZEOF(xkbActionWireDesc);
+        if (!_XkbCopyFromReadBuffer(&buf, (char *) act, size))
+            goto BAILOUT;
+    }
+    if (rep->nDeviceLedFBs > 0) {
+        register int i;
+
+        for (i = 0; i < rep->nDeviceLedFBs; i++) {
+            if ((tmp = _XkbReadDeviceLedInfo(&buf, rep->present, devi))
+                != Success)
+                return tmp;
+        }
+    }
+    tmp = _XkbFreeReadBuffer(&buf);
+    if (tmp)
+        fprintf(stderr, "GetDeviceInfo! Bad length (%d extra bytes)\n", tmp);
+    if (tmp || buf.error)
+        return BadLength;
+    return Success;
+ BAILOUT:
+    _XkbFreeReadBuffer(&buf);
+    return BadLength;
+}
+
+XkbDeviceInfoPtr
+XkbGetDeviceInfo(Display *dpy,
+                 unsigned which,
+                 unsigned deviceSpec,
+                 unsigned class,
+                 unsigned id)
+{
+    register xkbGetDeviceInfoReq *req;
+    xkbGetDeviceInfoReply rep;
+    Status status;
+    XkbDeviceInfoPtr devi;
+
+    if ((dpy->flags & XlibDisplayNoXkb) ||
+        (!dpy->xkb_info && !XkbUseExtension(dpy, NULL, NULL)))
+        return NULL;
+    LockDisplay(dpy);
+    GetReq(kbGetDeviceInfo, req);
+    req->reqType = dpy->xkb_info->codes->major_opcode;
+    req->xkbReqType = X_kbGetDeviceInfo;
+    req->deviceSpec = deviceSpec;
+    req->wanted = which;
+    req->allBtns = ((which & XkbXI_ButtonActionsMask) != 0);
+    req->firstBtn = req->nBtns = 0;
+    req->ledClass = class;
+    req->ledID = id;
+    if (!_XReply(dpy, (xReply *) &rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        return NULL;
+    }
+    devi = XkbAllocDeviceInfo(rep.deviceID, rep.totalBtns, rep.nDeviceLedFBs);
+    if (devi) {
+        devi->supported = rep.supported;
+        devi->unsupported = rep.unsupported;
+        devi->type = rep.devType;
+        devi->has_own_state = rep.hasOwnState;
+        devi->dflt_kbd_fb = rep.dfltKbdFB;
+        devi->dflt_led_fb = rep.dfltLedFB;
+        status = _XkbReadGetDeviceInfoReply(dpy, &rep, devi);
+        if (status != Success) {
+            XkbFreeDeviceInfo(devi, XkbXI_AllDeviceFeaturesMask, True);
+            devi = NULL;
+        }
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return devi;
+}
+
+Status
+XkbGetDeviceInfoChanges(Display *dpy,
+                        XkbDeviceInfoPtr devi,
+                        XkbDeviceChangesPtr changes)
+{
+    register xkbGetDeviceInfoReq *req;
+    xkbGetDeviceInfoReply rep;
+    Status status;
+
+    if ((dpy->flags & XlibDisplayNoXkb) ||
+        (!dpy->xkb_info && !XkbUseExtension(dpy, NULL, NULL)))
+        return BadMatch;
+    if ((changes->changed & XkbXI_AllDeviceFeaturesMask) == 0)
+        return Success;
+    changes->changed &= ~XkbXI_AllDeviceFeaturesMask;
+    status = Success;
+    LockDisplay(dpy);
+    while ((changes->changed) && (status == Success)) {
+        GetReq(kbGetDeviceInfo, req);
+        req->reqType = dpy->xkb_info->codes->major_opcode;
+        req->xkbReqType = X_kbGetDeviceInfo;
+        req->deviceSpec = devi->device_spec;
+        req->wanted = changes->changed;
+        req->allBtns = False;
+        if (changes->changed & XkbXI_ButtonActionsMask) {
+            req->firstBtn = changes->first_btn;
+            req->nBtns = changes->num_btns;
+            changes->changed &= ~XkbXI_ButtonActionsMask;
+        }
+        else
+            req->firstBtn = req->nBtns = 0;
+        if (changes->changed & XkbXI_IndicatorsMask) {
+            req->ledClass = changes->leds.led_class;
+            req->ledID = changes->leds.led_id;
+            if (changes->leds.next == NULL)
+                changes->changed &= ~XkbXI_IndicatorsMask;
+            else {
+                XkbDeviceLedChangesPtr next;
+
+                next = changes->leds.next;
+                changes->leds = *next;
+                _XkbFree(next);
+            }
+        }
+        else {
+            req->ledClass = XkbDfltXIClass;
+            req->ledID = XkbDfltXIId;
+        }
+        if (!_XReply(dpy, (xReply *) &rep, 0, xFalse)) {
+            status = BadLength;
+            break;
+        }
+        devi->supported |= rep.supported;
+        devi->unsupported |= rep.unsupported;
+        devi->type = rep.devType;
+        status = _XkbReadGetDeviceInfoReply(dpy, &rep, devi);
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return status;
+}
+
+Status
+XkbGetDeviceButtonActions(Display *dpy,
+                          XkbDeviceInfoPtr devi,
+                          Bool all,
+                          unsigned int first,
+                          unsigned int num)
+{
+    register xkbGetDeviceInfoReq *req;
+    xkbGetDeviceInfoReply rep;
+    Status status;
+
+    if ((dpy->flags & XlibDisplayNoXkb) ||
+        (!dpy->xkb_info && !XkbUseExtension(dpy, NULL, NULL)))
+        return BadMatch;
+    if (!devi)
+        return BadValue;
+    LockDisplay(dpy);
+    GetReq(kbGetDeviceInfo, req);
+    req->reqType = dpy->xkb_info->codes->major_opcode;
+    req->xkbReqType = X_kbGetDeviceInfo;
+    req->deviceSpec = devi->device_spec;
+    req->wanted = XkbXI_ButtonActionsMask;
+    req->allBtns = all;
+    req->firstBtn = first;
+    req->nBtns = num;
+    req->ledClass = XkbDfltXIClass;
+    req->ledID = XkbDfltXIId;
+    if (!_XReply(dpy, (xReply *) &rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        return BadLength;
+    }
+    devi->type = rep.devType;
+    devi->supported = rep.supported;
+    devi->unsupported = rep.unsupported;
+    status = _XkbReadGetDeviceInfoReply(dpy, &rep, devi);
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return status;
+}
+
+Status
+XkbGetDeviceLedInfo(Display *dpy,
+                    XkbDeviceInfoPtr devi,
+                    unsigned int ledClass,
+                    unsigned int ledId,
+                    unsigned int which)
+{
+    register xkbGetDeviceInfoReq *req;
+    xkbGetDeviceInfoReply rep;
+    Status status;
+
+    if ((dpy->flags & XlibDisplayNoXkb) ||
+        (!dpy->xkb_info && !XkbUseExtension(dpy, NULL, NULL)))
+        return BadMatch;
+    if (((which & XkbXI_IndicatorsMask) == 0) ||
+        (which & (~XkbXI_IndicatorsMask)))
+        return BadMatch;
+    if (!devi)
+        return BadValue;
+    LockDisplay(dpy);
+    GetReq(kbGetDeviceInfo, req);
+    req->reqType = dpy->xkb_info->codes->major_opcode;
+    req->xkbReqType = X_kbGetDeviceInfo;
+    req->deviceSpec = devi->device_spec;
+    req->wanted = which;
+    req->allBtns = False;
+    req->firstBtn = req->nBtns = 0;
+    req->ledClass = ledClass;
+    req->ledID = ledId;
+    if (!_XReply(dpy, (xReply *) &rep, 0, xFalse)) {
+        UnlockDisplay(dpy);
+        SyncHandle();
+        return BadLength;
+    }
+    devi->type = rep.devType;
+    devi->supported = rep.supported;
+    devi->unsupported = rep.unsupported;
+    status = _XkbReadGetDeviceInfoReply(dpy, &rep, devi);
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return status;
+}
+
+/***====================================================================***/
+
+typedef struct _LedInfoStuff {
+    Bool used;
+    XkbDeviceLedInfoPtr devli;
+} LedInfoStuff;
+
+typedef struct _SetLedStuff {
+    unsigned wanted;
+    int num_info;
+    int dflt_class;
+    LedInfoStuff *dflt_kbd_fb;
+    LedInfoStuff *dflt_led_fb;
+    LedInfoStuff *info;
+} SetLedStuff;
+
+static void
+_InitLedStuff(SetLedStuff *stuff, unsigned wanted, XkbDeviceInfoPtr devi)
+{
+    int i;
+    register XkbDeviceLedInfoPtr devli;
+
+    bzero(stuff, sizeof(SetLedStuff));
+    stuff->wanted = wanted;
+    stuff->dflt_class = XkbXINone;
+    if ((devi->num_leds < 1) || ((wanted & XkbXI_IndicatorsMask) == 0))
+        return;
+    stuff->info = _XkbTypedCalloc(devi->num_leds, LedInfoStuff);
+    if (!stuff->info)
+        return;
+    stuff->num_info = devi->num_leds;
+    for (devli = &devi->leds[0], i = 0; i < devi->num_leds; i++, devli++) {
+        stuff->info[i].devli = devli;
+        if (devli->led_class == KbdFeedbackClass) {
+            stuff->dflt_class = KbdFeedbackClass;
+            if (stuff->dflt_kbd_fb == NULL)
+                stuff->dflt_kbd_fb = &stuff->info[i];
+        }
+        else if (devli->led_class == LedFeedbackClass) {
+            if (stuff->dflt_class == XkbXINone)
+                stuff->dflt_class = LedFeedbackClass;
+            if (stuff->dflt_led_fb == NULL)
+                stuff->dflt_led_fb = &stuff->info[i];
+        }
+    }
+    return;
+}
+
+static void
+_FreeLedStuff(SetLedStuff * stuff)
+{
+    if (stuff->num_info > 0)
+        _XkbFree(stuff->info);
+    bzero(stuff, sizeof(SetLedStuff));
+    return;
+}
+
+static int
+_XkbSizeLedInfo(unsigned changed, XkbDeviceLedInfoPtr devli)
+{
+    register int i, size;
+    register unsigned bit, namesNeeded, mapsNeeded;
+
+    size = SIZEOF(xkbDeviceLedsWireDesc);
+    namesNeeded = mapsNeeded = 0;
+    if (changed & XkbXI_IndicatorNamesMask)
+        namesNeeded = devli->names_present;
+    if (changed & XkbXI_IndicatorMapsMask)
+        mapsNeeded = devli->maps_present;
+    if ((namesNeeded) || (mapsNeeded)) {
+        for (i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1) {
+            if (namesNeeded & bit)
+                size += 4;      /* atoms are 4 bytes on the wire */
+            if (mapsNeeded & bit)
+                size += SIZEOF(xkbIndicatorMapWireDesc);
+        }
+    }
+    return size;
+}
+
+static Bool
+_SizeMatches(SetLedStuff *stuff,
+             XkbDeviceLedChangesPtr changes,
+             int *sz_rtrn,
+             int *nleds_rtrn)
+{
+    int i, nMatch, class, id;
+    LedInfoStuff *linfo;
+    Bool match;
+
+    nMatch = 0;
+    class = changes->led_class;
+    id = changes->led_id;
+    if (class == XkbDfltXIClass)
+        class = stuff->dflt_class;
+    for (i = 0, linfo = &stuff->info[0]; i < stuff->num_info; i++, linfo++) {
+        XkbDeviceLedInfoPtr devli;
+        LedInfoStuff *dflt;
+
+        devli = linfo->devli;
+        match = ((class == devli->led_class) || (class == XkbAllXIClasses));
+        if (devli->led_class == KbdFeedbackClass)
+            dflt = stuff->dflt_kbd_fb;
+        else
+            dflt = stuff->dflt_led_fb;
+        match = (match && (id == devli->led_id)) ||
+            (id == XkbAllXIIds) ||
+            ((id == XkbDfltXIId) && (linfo == dflt));
+        if (match) {
+            if (!linfo->used) {
+                *sz_rtrn += _XkbSizeLedInfo(stuff->wanted, devli);
+                *nleds_rtrn += 1;
+                linfo->used = True;
+                if ((class != XkbAllXIClasses) && (id != XkbAllXIIds))
+                    return True;
+            }
+            nMatch++;
+            linfo->used = True;
+        }
+    }
+    return (nMatch > 0);
+}
+
+/***====================================================================***/
+
+
+static Status
+_XkbSetDeviceInfoSize(XkbDeviceInfoPtr devi,
+                      XkbDeviceChangesPtr changes,
+                      SetLedStuff *stuff,
+                      int *sz_rtrn,
+                      int *num_leds_rtrn)
+{
+    *sz_rtrn = 0;
+    if ((changes->changed & XkbXI_ButtonActionsMask) && (changes->num_btns > 0)) {
+        if (!XkbXI_LegalDevBtn
+            (devi, (changes->first_btn + changes->num_btns - 1)))
+            return BadMatch;
+        *sz_rtrn += changes->num_btns * SIZEOF(xkbActionWireDesc);
+    }
+    else {
+        changes->changed &= ~XkbXI_ButtonActionsMask;
+        changes->first_btn = changes->num_btns = 0;
+    }
+    if ((changes->changed & XkbXI_IndicatorsMask) &&
+        XkbLegalXILedClass(changes->leds.led_class)) {
+        XkbDeviceLedChangesPtr leds;
+
+        for (leds = &changes->leds; leds != NULL; leds = leds->next) {
+            if (!_SizeMatches(stuff, leds, sz_rtrn, num_leds_rtrn))
+                return BadMatch;
+        }
+    }
+    else {
+        changes->changed &= ~XkbXI_IndicatorsMask;
+        *num_leds_rtrn = 0;
+    }
+    return Success;
+}
+
+static char *
+_XkbWriteLedInfo(char *wire, unsigned changed, XkbDeviceLedInfoPtr devli)
+{
+    register int i;
+    register unsigned bit, namesNeeded, mapsNeeded;
+    xkbDeviceLedsWireDesc *lwire;
+
+    namesNeeded = mapsNeeded = 0;
+    if (changed & XkbXI_IndicatorNamesMask)
+        namesNeeded = devli->names_present;
+    if (changed & XkbXI_IndicatorMapsMask)
+        mapsNeeded = devli->maps_present;
+
+    lwire = (xkbDeviceLedsWireDesc *) wire;
+    lwire->ledClass = devli->led_class;
+    lwire->ledID = devli->led_id;
+    lwire->namesPresent = namesNeeded;
+    lwire->mapsPresent = mapsNeeded;
+    lwire->physIndicators = devli->phys_indicators;
+    lwire->state = devli->state;
+    wire = (char *) &lwire[1];
+    if (namesNeeded) {
+        CARD32 *awire = (CARD32 *) wire;
+
+        for (i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1) {
+            if (namesNeeded & bit) {
+                *awire = (CARD32) devli->names[i];
+                awire++;
+            }
+        }
+        wire = (char *) awire;
+    }
+    if (mapsNeeded) {
+        xkbIndicatorMapWireDesc *mwire = (xkbIndicatorMapWireDesc *) wire;
+
+        for (i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1) {
+            if (mapsNeeded & bit) {
+                XkbIndicatorMapPtr map = &devli->maps[i];
+
+                mwire->flags = map->flags;
+                mwire->whichGroups = map->which_groups;
+                mwire->groups = map->groups;
+                mwire->whichMods = map->which_mods;
+                mwire->mods = map->mods.mask;
+                mwire->realMods = map->mods.real_mods;
+                mwire->virtualMods = map->mods.vmods;
+                mwire->ctrls = map->ctrls;
+                mwire++;
+            }
+        }
+        wire = (char *) mwire;
+    }
+    return wire;
+}
+
+
+static int
+_XkbWriteSetDeviceInfo(char *wire,
+                       XkbDeviceChangesPtr changes,
+                       SetLedStuff *stuff,
+                       XkbDeviceInfoPtr devi)
+{
+    char *start = wire;
+
+    if (changes->changed & XkbXI_ButtonActionsMask) {
+        int size = changes->num_btns * SIZEOF(xkbActionWireDesc);
+
+        memcpy(wire, (char *) &devi->btn_acts[changes->first_btn], size);
+        wire += size;
+    }
+    if (changes->changed & XkbXI_IndicatorsMask) {
+        register int i;
+        register LedInfoStuff *linfo;
+
+        for (i = 0, linfo = &stuff->info[0]; i < stuff->num_info; i++, linfo++) {
+            if (linfo->used) {
+                register char *new_wire;
+
+                new_wire = _XkbWriteLedInfo(wire, stuff->wanted, linfo->devli);
+                if (!new_wire)
+                    return wire - start;
+                wire = new_wire;
+            }
+        }
+    }
+    return wire - start;
+}
+
+Bool
+XkbSetDeviceInfo(Display *dpy, unsigned which, XkbDeviceInfoPtr devi)
+{
+    register xkbSetDeviceInfoReq *req;
+    Status ok = 0;
+    int size, nLeds;
+    XkbInfoPtr xkbi;
+    XkbDeviceChangesRec changes;
+    SetLedStuff lstuff;
+
+    if ((dpy->flags & XlibDisplayNoXkb) ||
+        (!dpy->xkb_info && !XkbUseExtension(dpy, NULL, NULL)))
+        return False;
+    if ((!devi) || (which & (~XkbXI_AllDeviceFeaturesMask)) ||
+        ((which & XkbXI_ButtonActionsMask) && (!XkbXI_DevHasBtnActs(devi))) ||
+        ((which & XkbXI_IndicatorsMask) && (!XkbXI_DevHasLeds(devi))))
+        return False;
+
+    bzero((char *) &changes, sizeof(XkbDeviceChangesRec));
+    changes.changed = which;
+    changes.first_btn = 0;
+    changes.num_btns = devi->num_btns;
+    changes.leds.led_class = XkbAllXIClasses;
+    changes.leds.led_id = XkbAllXIIds;
+    changes.leds.defined = 0;
+    size = nLeds = 0;
+    _InitLedStuff(&lstuff, changes.changed, devi);
+    if (_XkbSetDeviceInfoSize(devi, &changes, &lstuff, &size, &nLeds) !=
+        Success)
+        return False;
+    LockDisplay(dpy);
+    xkbi = dpy->xkb_info;
+    GetReq(kbSetDeviceInfo, req);
+    req->length += size / 4;
+    req->reqType = xkbi->codes->major_opcode;
+    req->xkbReqType = X_kbSetDeviceInfo;
+    req->deviceSpec = devi->device_spec;
+    req->firstBtn = changes.first_btn;
+    req->nBtns = changes.num_btns;
+    req->change = changes.changed;
+    req->nDeviceLedFBs = nLeds;
+    if (size > 0) {
+        char *wire;
+
+        BufAlloc(char *, wire, size);
+        ok = (wire != NULL) &&
+            (_XkbWriteSetDeviceInfo(wire, &changes, &lstuff, devi) == size);
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    _FreeLedStuff(&lstuff);
+    /* 12/11/95 (ef) -- XXX!! should clear changes here */
+    return ok;
+}
+
+Bool
+XkbChangeDeviceInfo(Display *dpy,
+                    XkbDeviceInfoPtr devi,
+                    XkbDeviceChangesPtr changes)
+{
+    register xkbSetDeviceInfoReq *req;
+    Status ok = 0;
+    int size, nLeds;
+    XkbInfoPtr xkbi;
+    SetLedStuff lstuff;
+
+    if ((dpy->flags & XlibDisplayNoXkb) ||
+        (!dpy->xkb_info && !XkbUseExtension(dpy, NULL, NULL)))
+        return False;
+    if ((!devi) || (changes->changed & (~XkbXI_AllDeviceFeaturesMask)) ||
+        ((changes->changed & XkbXI_ButtonActionsMask) &&
+         (!XkbXI_DevHasBtnActs(devi))) ||
+        ((changes->changed & XkbXI_IndicatorsMask) &&
+         (!XkbXI_DevHasLeds(devi))))
+        return False;
+
+    size = nLeds = 0;
+    _InitLedStuff(&lstuff, changes->changed, devi);
+    if (_XkbSetDeviceInfoSize(devi, changes, &lstuff, &size, &nLeds) != Success)
+        return False;
+    LockDisplay(dpy);
+    xkbi = dpy->xkb_info;
+    GetReq(kbSetDeviceInfo, req);
+    req->length += size / 4;
+    req->reqType = xkbi->codes->major_opcode;
+    req->xkbReqType = X_kbSetDeviceInfo;
+    req->deviceSpec = devi->device_spec;
+    req->firstBtn = changes->first_btn;
+    req->nBtns = changes->num_btns;
+    req->change = changes->changed;
+    req->nDeviceLedFBs = nLeds;
+    if (size > 0) {
+        char *wire;
+
+        BufAlloc(char *, wire, size);
+        ok = (wire != NULL) &&
+            (_XkbWriteSetDeviceInfo(wire, changes, &lstuff, devi) == size);
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    _FreeLedStuff(&lstuff);
+    /* 12/11/95 (ef) -- XXX!! should clear changes here */
+    return ok;
+}
+
+Bool
+XkbSetDeviceLedInfo(Display *dpy,
+                    XkbDeviceInfoPtr devi,
+                    unsigned ledClass,
+                    unsigned ledID,
+                    unsigned which)
+{
+    return False;
+}
+
+Bool
+XkbSetDeviceButtonActions(Display *dpy,
+                          XkbDeviceInfoPtr devi,
+                          unsigned int first,
+                          unsigned int nBtns)
+{
+    register xkbSetDeviceInfoReq *req;
+    Status ok = 0;
+    int size, nLeds;
+    XkbInfoPtr xkbi;
+    XkbDeviceChangesRec changes;
+    SetLedStuff lstuff;
+
+    if ((dpy->flags & XlibDisplayNoXkb) ||
+        (!dpy->xkb_info && !XkbUseExtension(dpy, NULL, NULL)))
+        return False;
+    if ((!devi) || (!XkbXI_DevHasBtnActs(devi)) ||
+        (first + nBtns > devi->num_btns))
+        return False;
+    if (nBtns == 0)
+        return True;
+
+    bzero((char *) &changes, sizeof(XkbDeviceChangesRec));
+    changes.changed = XkbXI_ButtonActionsMask;
+    changes.first_btn = first;
+    changes.num_btns = nBtns;
+    changes.leds.led_class = XkbXINone;
+    changes.leds.led_id = XkbXINone;
+    changes.leds.defined = 0;
+    size = nLeds = 0;
+    if (_XkbSetDeviceInfoSize(devi, &changes, NULL, &size, &nLeds) != Success)
+        return False;
+    LockDisplay(dpy);
+    xkbi = dpy->xkb_info;
+    GetReq(kbSetDeviceInfo, req);
+    req->length += size / 4;
+    req->reqType = xkbi->codes->major_opcode;
+    req->xkbReqType = X_kbSetDeviceInfo;
+    req->deviceSpec = devi->device_spec;
+    req->firstBtn = changes.first_btn;
+    req->nBtns = changes.num_btns;
+    req->change = changes.changed;
+    req->nDeviceLedFBs = nLeds;
+    if (size > 0) {
+        char *wire;
+
+        BufAlloc(char *, wire, size);
+        ok = (wire != NULL) &&
+            (_XkbWriteSetDeviceInfo(wire, &changes, &lstuff, devi) == size);
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return ok;
+}