diff options
Diffstat (limited to 'nx-X11/lib/src/xkb/XKBExtDev.c')
| -rw-r--r-- | nx-X11/lib/src/xkb/XKBExtDev.c | 843 |
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; +} |