/************************************************************ Copyright (c) 1993 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_DIX_CONFIG_H #include <dix-config.h> #endif #include <stdio.h> #include <math.h> #include <X11/X.h> #include <X11/Xproto.h> #include <X11/keysym.h> #include "misc.h" #include "inputstr.h" #include "exevents.h" #include "eventstr.h" #include <xkbsrv.h> #include "xkb.h" #include <ctype.h> #include "mi.h" #include "mipointer.h" #include "inpututils.h" #define EXTENSION_EVENT_BASE 64 DevPrivateKeyRec xkbDevicePrivateKeyRec; static void XkbFakePointerMotion(DeviceIntPtr dev, unsigned flags, int x, int y); void xkbUnwrapProc(DeviceIntPtr device, DeviceHandleProc proc, pointer data) { xkbDeviceInfoPtr xkbPrivPtr = XKBDEVICEINFO(device); ProcessInputProc backupproc; if (xkbPrivPtr->unwrapProc) xkbPrivPtr->unwrapProc = NULL; UNWRAP_PROCESS_INPUT_PROC(device, xkbPrivPtr, backupproc); proc(device, data); COND_WRAP_PROCESS_INPUT_PROC(device, xkbPrivPtr, backupproc, xkbUnwrapProc); } Bool XkbInitPrivates(void) { return dixRegisterPrivateKey(&xkbDevicePrivateKeyRec, PRIVATE_DEVICE, sizeof(xkbDeviceInfoRec)); } void XkbSetExtension(DeviceIntPtr device, ProcessInputProc proc) { xkbDeviceInfoPtr xkbPrivPtr = XKBDEVICEINFO(device); WRAP_PROCESS_INPUT_PROC(device, xkbPrivPtr, proc, xkbUnwrapProc); } /***====================================================================***/ static XkbAction _FixUpAction(XkbDescPtr xkb, XkbAction *act) { static XkbAction fake; if (XkbIsPtrAction(act) && (!(xkb->ctrls->enabled_ctrls & XkbMouseKeysMask))) { fake.type = XkbSA_NoAction; return fake; } if (xkb->ctrls->enabled_ctrls & XkbStickyKeysMask) { if (act->any.type == XkbSA_SetMods) { fake.mods.type = XkbSA_LatchMods; fake.mods.mask = act->mods.mask; if (XkbAX_NeedOption(xkb->ctrls, XkbAX_LatchToLockMask)) fake.mods.flags = XkbSA_ClearLocks | XkbSA_LatchToLock; else fake.mods.flags = XkbSA_ClearLocks; return fake; } if (act->any.type == XkbSA_SetGroup) { fake.group.type = XkbSA_LatchGroup; if (XkbAX_NeedOption(xkb->ctrls, XkbAX_LatchToLockMask)) fake.group.flags = XkbSA_ClearLocks | XkbSA_LatchToLock; else fake.group.flags = XkbSA_ClearLocks; XkbSASetGroup(&fake.group, XkbSAGroup(&act->group)); return fake; } } return *act; } static XkbAction XkbGetKeyAction(XkbSrvInfoPtr xkbi, XkbStatePtr xkbState, CARD8 key) { int effectiveGroup; int col; XkbDescPtr xkb; XkbKeyTypePtr type; XkbAction *pActs; static XkbAction fake; xkb = xkbi->desc; if (!XkbKeyHasActions(xkb, key) || !XkbKeycodeInRange(xkb, key)) { fake.type = XkbSA_NoAction; return fake; } pActs = XkbKeyActionsPtr(xkb, key); col = 0; effectiveGroup = XkbGetEffectiveGroup(xkbi, xkbState, key); if (effectiveGroup != XkbGroup1Index) col += (effectiveGroup * XkbKeyGroupsWidth(xkb, key)); type = XkbKeyKeyType(xkb, key, effectiveGroup); if (type->map != NULL) { register unsigned i, mods; register XkbKTMapEntryPtr entry; mods = xkbState->mods & type->mods.mask; for (entry = type->map, i = 0; i < type->map_count; i++, entry++) { if ((entry->active) && (entry->mods.mask == mods)) { col += entry->level; break; } } } if (pActs[col].any.type == XkbSA_NoAction) return pActs[col]; fake = _FixUpAction(xkb, &pActs[col]); return fake; } static XkbAction XkbGetButtonAction(DeviceIntPtr kbd, DeviceIntPtr dev, int button) { XkbAction fake; if ((dev->button) && (dev->button->xkb_acts)) { if (dev->button->xkb_acts[button - 1].any.type != XkbSA_NoAction) { fake = _FixUpAction(kbd->key->xkbInfo->desc, &dev->button->xkb_acts[button - 1]); return fake; } } fake.any.type = XkbSA_NoAction; return fake; } /***====================================================================***/ #define SYNTHETIC_KEYCODE 1 #define BTN_ACT_FLAG 0x100 static int _XkbFilterSetState(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { if (filter->keycode == 0) { /* initial press */ filter->keycode = keycode; filter->active = 1; filter->filterOthers = ((pAction->mods.mask & XkbSA_ClearLocks) != 0); filter->priv = 0; filter->filter = _XkbFilterSetState; if (pAction->type == XkbSA_SetMods) { filter->upAction = *pAction; xkbi->setMods = pAction->mods.mask; } else { xkbi->groupChange = XkbSAGroup(&pAction->group); if (pAction->group.flags & XkbSA_GroupAbsolute) xkbi->groupChange -= xkbi->state.base_group; filter->upAction = *pAction; XkbSASetGroup(&filter->upAction.group, xkbi->groupChange); } } else if (filter->keycode == keycode) { if (filter->upAction.type == XkbSA_SetMods) { xkbi->clearMods = filter->upAction.mods.mask; if (filter->upAction.mods.flags & XkbSA_ClearLocks) { xkbi->state.locked_mods &= ~filter->upAction.mods.mask; } } else { if (filter->upAction.group.flags & XkbSA_ClearLocks) { xkbi->state.locked_group = 0; } xkbi->groupChange = -XkbSAGroup(&filter->upAction.group); } filter->active = 0; } else { filter->upAction.mods.flags &= ~XkbSA_ClearLocks; filter->filterOthers = 0; } return 1; } #define LATCH_KEY_DOWN 1 #define LATCH_PENDING 2 static int _XkbFilterLatchState(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { if (filter->keycode == 0) { /* initial press */ AccessXCancelRepeatKey(xkbi,keycode); filter->keycode = keycode; filter->active = 1; filter->filterOthers = 1; filter->priv = LATCH_KEY_DOWN; filter->filter = _XkbFilterLatchState; if (pAction->type == XkbSA_LatchMods) { filter->upAction = *pAction; xkbi->setMods = pAction->mods.mask; } else { xkbi->groupChange = XkbSAGroup(&pAction->group); if (pAction->group.flags & XkbSA_GroupAbsolute) xkbi->groupChange -= xkbi->state.base_group; filter->upAction = *pAction; XkbSASetGroup(&filter->upAction.group, xkbi->groupChange); } } else if (pAction && (filter->priv == LATCH_PENDING)) { if (((1 << pAction->type) & XkbSA_BreakLatch) != 0) { filter->active = 0; /* If one latch is broken, all latches are broken, so it's no use to find out which particular latch this filter tracks. */ xkbi->state.latched_mods = 0; xkbi->state.latched_group = 0; } } else if (filter->keycode == keycode && filter->priv != LATCH_PENDING){ /* The test above for LATCH_PENDING skips subsequent releases of the key after it has been released first time and the latch became pending. */ XkbControlsPtr ctrls = xkbi->desc->ctrls; int needBeep = ((ctrls->enabled_ctrls & XkbStickyKeysMask) && XkbAX_NeedFeedback(ctrls, XkbAX_StickyKeysFBMask)); if (filter->upAction.type == XkbSA_LatchMods) { unsigned char mask = filter->upAction.mods.mask; unsigned char common; xkbi->clearMods = mask; /* ClearLocks */ common = mask & xkbi->state.locked_mods; if ((filter->upAction.mods.flags & XkbSA_ClearLocks) && common) { mask &= ~common; xkbi->state.locked_mods &= ~common; if (needBeep) XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_UNLOCK, XkbStickyKeysMask); } /* LatchToLock */ common = mask & xkbi->state.latched_mods; if ((filter->upAction.mods.flags & XkbSA_LatchToLock) && common) { unsigned char newlocked; mask &= ~common; newlocked = common & ~xkbi->state.locked_mods; if(newlocked){ xkbi->state.locked_mods |= newlocked; if (needBeep) XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LOCK, XkbStickyKeysMask); } xkbi->state.latched_mods &= ~common; } /* Latch remaining modifiers, if any. */ if (mask) { xkbi->state.latched_mods |= mask; filter->priv = LATCH_PENDING; if (needBeep) XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LATCH, XkbStickyKeysMask); } } else { xkbi->groupChange = -XkbSAGroup(&filter->upAction.group); /* ClearLocks */ if ((filter->upAction.group.flags & XkbSA_ClearLocks) && (xkbi->state.locked_group)) { xkbi->state.locked_group = 0; if (needBeep) XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_UNLOCK, XkbStickyKeysMask); } /* LatchToLock */ else if ((filter->upAction.group.flags & XkbSA_LatchToLock) && (xkbi->state.latched_group)) { xkbi->state.locked_group += XkbSAGroup(&filter->upAction.group); xkbi->state.latched_group -= XkbSAGroup(&filter->upAction.group); if(XkbSAGroup(&filter->upAction.group) && needBeep) XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LOCK, XkbStickyKeysMask); } /* Latch group */ else if(XkbSAGroup(&filter->upAction.group)){ xkbi->state.latched_group += XkbSAGroup(&filter->upAction.group); filter->priv = LATCH_PENDING; if (needBeep) XkbDDXAccessXBeep(xkbi->device, _BEEP_STICKY_LATCH, XkbStickyKeysMask); } } if (filter->priv != LATCH_PENDING) filter->active = 0; } else if (pAction && (filter->priv == LATCH_KEY_DOWN)) { /* Latch was broken before it became pending: degrade to a SetMods/SetGroup. */ if (filter->upAction.type == XkbSA_LatchMods) filter->upAction.type = XkbSA_SetMods; else filter->upAction.type = XkbSA_SetGroup; filter->filter = _XkbFilterSetState; filter->priv = 0; return filter->filter(xkbi, filter, keycode, pAction); } return 1; } static int _XkbFilterLockState(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { if (pAction && (pAction->type == XkbSA_LockGroup)) { if (pAction->group.flags & XkbSA_GroupAbsolute) xkbi->state.locked_group = XkbSAGroup(&pAction->group); else xkbi->state.locked_group += XkbSAGroup(&pAction->group); return 1; } if (filter->keycode == 0) { /* initial press */ filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; filter->priv = xkbi->state.locked_mods & pAction->mods.mask; filter->filter = _XkbFilterLockState; filter->upAction = *pAction; if (!(filter->upAction.mods.flags & XkbSA_LockNoLock)) xkbi->state.locked_mods |= pAction->mods.mask; xkbi->setMods = pAction->mods.mask; } else if (filter->keycode == keycode) { filter->active = 0; xkbi->clearMods = filter->upAction.mods.mask; if (!(filter->upAction.mods.flags & XkbSA_LockNoUnlock)) xkbi->state.locked_mods &= ~filter->priv; } return 1; } #define ISO_KEY_DOWN 0 #define NO_ISO_LOCK 1 static int _XkbFilterISOLock(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { if (filter->keycode == 0) { /* initial press */ CARD8 flags = pAction->iso.flags; filter->keycode = keycode; filter->active = 1; filter->filterOthers = 1; filter->priv = ISO_KEY_DOWN; filter->upAction = *pAction; filter->filter = _XkbFilterISOLock; if (flags & XkbSA_ISODfltIsGroup) { xkbi->groupChange = XkbSAGroup(&pAction->iso); xkbi->setMods = 0; } else { xkbi->setMods = pAction->iso.mask; xkbi->groupChange = 0; } if ((!(flags & XkbSA_ISONoAffectMods)) && (xkbi->state.base_mods)) { filter->priv = NO_ISO_LOCK; xkbi->state.locked_mods ^= xkbi->state.base_mods; } if ((!(flags & XkbSA_ISONoAffectGroup)) && (xkbi->state.base_group)) { /* 6/22/93 (ef) -- lock groups if group key is down first */ } if (!(flags & XkbSA_ISONoAffectPtr)) { /* 6/22/93 (ef) -- lock mouse buttons if they're down */ } } else if (filter->keycode == keycode) { CARD8 flags = filter->upAction.iso.flags; if (flags & XkbSA_ISODfltIsGroup) { xkbi->groupChange = -XkbSAGroup(&filter->upAction.iso); xkbi->clearMods = 0; if (filter->priv == ISO_KEY_DOWN) xkbi->state.locked_group += XkbSAGroup(&filter->upAction.iso); } else { xkbi->clearMods = filter->upAction.iso.mask; xkbi->groupChange = 0; if (filter->priv == ISO_KEY_DOWN) xkbi->state.locked_mods ^= filter->upAction.iso.mask; } filter->active = 0; } else if (pAction) { CARD8 flags = filter->upAction.iso.flags; switch (pAction->type) { case XkbSA_SetMods: case XkbSA_LatchMods: if (!(flags & XkbSA_ISONoAffectMods)) { pAction->type = XkbSA_LockMods; filter->priv = NO_ISO_LOCK; } break; case XkbSA_SetGroup: case XkbSA_LatchGroup: if (!(flags & XkbSA_ISONoAffectGroup)) { pAction->type = XkbSA_LockGroup; filter->priv = NO_ISO_LOCK; } break; case XkbSA_PtrBtn: if (!(flags & XkbSA_ISONoAffectPtr)) { pAction->type = XkbSA_LockPtrBtn; filter->priv = NO_ISO_LOCK; } break; case XkbSA_SetControls: if (!(flags & XkbSA_ISONoAffectCtrls)) { pAction->type = XkbSA_LockControls; filter->priv = NO_ISO_LOCK; } break; } } return 1; } static CARD32 _XkbPtrAccelExpire(OsTimerPtr timer, CARD32 now, pointer arg) { XkbSrvInfoPtr xkbi = (XkbSrvInfoPtr) arg; XkbControlsPtr ctrls = xkbi->desc->ctrls; int dx, dy; if (xkbi->mouseKey == 0) return 0; if (xkbi->mouseKeysAccel) { if ((xkbi->mouseKeysCounter) < ctrls->mk_time_to_max) { double step; xkbi->mouseKeysCounter++; step = xkbi->mouseKeysCurveFactor * pow((double) xkbi->mouseKeysCounter, xkbi->mouseKeysCurve); if (xkbi->mouseKeysDX < 0) dx = floor(((double) xkbi->mouseKeysDX) * step); else dx = ceil(((double) xkbi->mouseKeysDX) * step); if (xkbi->mouseKeysDY < 0) dy = floor(((double) xkbi->mouseKeysDY) * step); else dy = ceil(((double) xkbi->mouseKeysDY) * step); } else { dx = xkbi->mouseKeysDX * ctrls->mk_max_speed; dy = xkbi->mouseKeysDY * ctrls->mk_max_speed; } if (xkbi->mouseKeysFlags & XkbSA_MoveAbsoluteX) dx = xkbi->mouseKeysDX; if (xkbi->mouseKeysFlags & XkbSA_MoveAbsoluteY) dy = xkbi->mouseKeysDY; } else { dx = xkbi->mouseKeysDX; dy = xkbi->mouseKeysDY; } XkbFakePointerMotion(xkbi->device, xkbi->mouseKeysFlags, dx, dy); return xkbi->desc->ctrls->mk_interval; } static int _XkbFilterPointerMove(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { int x, y; Bool accel; if (filter->keycode == 0) { /* initial press */ filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; filter->priv = 0; filter->filter = _XkbFilterPointerMove; filter->upAction = *pAction; xkbi->mouseKeysCounter = 0; xkbi->mouseKey = keycode; accel = ((pAction->ptr.flags & XkbSA_NoAcceleration) == 0); x = XkbPtrActionX(&pAction->ptr); y = XkbPtrActionY(&pAction->ptr); XkbFakePointerMotion(xkbi->device, pAction->ptr.flags, x, y); AccessXCancelRepeatKey(xkbi, keycode); xkbi->mouseKeysAccel = accel && (xkbi->desc->ctrls->enabled_ctrls & XkbMouseKeysAccelMask); xkbi->mouseKeysFlags = pAction->ptr.flags; xkbi->mouseKeysDX = XkbPtrActionX(&pAction->ptr); xkbi->mouseKeysDY = XkbPtrActionY(&pAction->ptr); xkbi->mouseKeyTimer = TimerSet(xkbi->mouseKeyTimer, 0, xkbi->desc->ctrls->mk_delay, _XkbPtrAccelExpire, (pointer) xkbi); } else if (filter->keycode == keycode) { filter->active = 0; if (xkbi->mouseKey == keycode) { xkbi->mouseKey = 0; xkbi->mouseKeyTimer = TimerSet(xkbi->mouseKeyTimer, 0, 0, NULL, NULL); } } return 0; } static int _XkbFilterPointerBtn(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { if (filter->keycode == 0) { /* initial press */ int button = pAction->btn.button; if (button == XkbSA_UseDfltButton) button = xkbi->desc->ctrls->mk_dflt_btn; filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; filter->priv = 0; filter->filter = _XkbFilterPointerBtn; filter->upAction = *pAction; filter->upAction.btn.button = button; switch (pAction->type) { case XkbSA_LockPtrBtn: if (((xkbi->lockedPtrButtons & (1 << button)) == 0) && ((pAction->btn.flags & XkbSA_LockNoLock) == 0)) { xkbi->lockedPtrButtons |= (1 << button); AccessXCancelRepeatKey(xkbi, keycode); XkbFakeDeviceButton(xkbi->device, 1, button); filter->upAction.type = XkbSA_NoAction; } break; case XkbSA_PtrBtn: { register int i, nClicks; AccessXCancelRepeatKey(xkbi, keycode); if (pAction->btn.count > 0) { nClicks = pAction->btn.count; for (i = 0; i < nClicks; i++) { XkbFakeDeviceButton(xkbi->device, 1, button); XkbFakeDeviceButton(xkbi->device, 0, button); } filter->upAction.type = XkbSA_NoAction; } else XkbFakeDeviceButton(xkbi->device, 1, button); } break; case XkbSA_SetPtrDflt: { XkbControlsPtr ctrls = xkbi->desc->ctrls; XkbControlsRec old; xkbControlsNotify cn; old = *ctrls; AccessXCancelRepeatKey(xkbi, keycode); switch (pAction->dflt.affect) { case XkbSA_AffectDfltBtn: if (pAction->dflt.flags & XkbSA_DfltBtnAbsolute) ctrls->mk_dflt_btn = XkbSAPtrDfltValue(&pAction->dflt); else { ctrls->mk_dflt_btn += XkbSAPtrDfltValue(&pAction->dflt); if (ctrls->mk_dflt_btn > 5) ctrls->mk_dflt_btn = 5; else if (ctrls->mk_dflt_btn < 1) ctrls->mk_dflt_btn = 1; } break; default: ErrorF ("Attempt to change unknown pointer default (%d) ignored\n", pAction->dflt.affect); break; } if (XkbComputeControlsNotify(xkbi->device, &old, xkbi->desc->ctrls, &cn, FALSE)) { cn.keycode = keycode; /* XXX: what about DeviceKeyPress? */ cn.eventType = KeyPress; cn.requestMajor = 0; cn.requestMinor = 0; XkbSendControlsNotify(xkbi->device, &cn); } } break; } } else if (filter->keycode == keycode) { int button = filter->upAction.btn.button; switch (filter->upAction.type) { case XkbSA_LockPtrBtn: if (((filter->upAction.btn.flags & XkbSA_LockNoUnlock) != 0) || ((xkbi->lockedPtrButtons & (1 << button)) == 0)) { break; } xkbi->lockedPtrButtons &= ~(1 << button); if (IsMaster(xkbi->device)) { XkbMergeLockedPtrBtns(xkbi->device); /* One SD still has lock set, don't post event */ if ((xkbi->lockedPtrButtons & (1 << button)) != 0) break; } /* fallthrough */ case XkbSA_PtrBtn: XkbFakeDeviceButton(xkbi->device, 0, button); break; } filter->active = 0; } return 0; } static int _XkbFilterControls(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { XkbControlsRec old; XkbControlsPtr ctrls; DeviceIntPtr kbd; unsigned int change; XkbEventCauseRec cause; kbd = xkbi->device; ctrls = xkbi->desc->ctrls; old = *ctrls; if (filter->keycode == 0) { /* initial press */ filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; change = XkbActionCtrls(&pAction->ctrls); filter->priv = change; filter->filter = _XkbFilterControls; filter->upAction = *pAction; if (pAction->type == XkbSA_LockControls) { filter->priv = (ctrls->enabled_ctrls & change); change &= ~ctrls->enabled_ctrls; } if (change) { xkbControlsNotify cn; XkbSrvLedInfoPtr sli; ctrls->enabled_ctrls |= change; if (XkbComputeControlsNotify(kbd, &old, ctrls, &cn, FALSE)) { cn.keycode = keycode; /* XXX: what about DeviceKeyPress? */ cn.eventType = KeyPress; cn.requestMajor = 0; cn.requestMinor = 0; XkbSendControlsNotify(kbd, &cn); } XkbSetCauseKey(&cause, keycode, KeyPress); /* If sticky keys were disabled, clear all locks and latches */ if ((old.enabled_ctrls & XkbStickyKeysMask) && (!(ctrls->enabled_ctrls & XkbStickyKeysMask))) { XkbClearAllLatchesAndLocks(kbd, xkbi, FALSE, &cause); } sli = XkbFindSrvLedInfo(kbd, XkbDfltXIClass, XkbDfltXIId, 0); XkbUpdateIndicators(kbd, sli->usesControls, TRUE, NULL, &cause); if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) XkbDDXAccessXBeep(kbd, _BEEP_FEATURE_ON, change); } } else if (filter->keycode == keycode) { change = filter->priv; if (change) { xkbControlsNotify cn; XkbSrvLedInfoPtr sli; ctrls->enabled_ctrls &= ~change; if (XkbComputeControlsNotify(kbd, &old, ctrls, &cn, FALSE)) { cn.keycode = keycode; cn.eventType = KeyRelease; cn.requestMajor = 0; cn.requestMinor = 0; XkbSendControlsNotify(kbd, &cn); } XkbSetCauseKey(&cause, keycode, KeyRelease); /* If sticky keys were disabled, clear all locks and latches */ if ((old.enabled_ctrls & XkbStickyKeysMask) && (!(ctrls->enabled_ctrls & XkbStickyKeysMask))) { XkbClearAllLatchesAndLocks(kbd, xkbi, FALSE, &cause); } sli = XkbFindSrvLedInfo(kbd, XkbDfltXIClass, XkbDfltXIId, 0); XkbUpdateIndicators(kbd, sli->usesControls, TRUE, NULL, &cause); if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) XkbDDXAccessXBeep(kbd, _BEEP_FEATURE_OFF, change); } filter->keycode = 0; filter->active = 0; } return 1; } static int _XkbFilterActionMessage(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { XkbMessageAction *pMsg; DeviceIntPtr kbd; if ((filter->keycode != 0) && (filter->keycode != keycode)) return 1; /* This can happen if the key repeats, and the state (modifiers or group) changes meanwhile. */ if ((filter->keycode == keycode) && pAction && (pAction->type != XkbSA_ActionMessage)) return 1; kbd = xkbi->device; if (filter->keycode == 0) { /* initial press */ pMsg = &pAction->msg; if ((pMsg->flags & XkbSA_MessageOnRelease) || ((pMsg->flags & XkbSA_MessageGenKeyEvent) == 0)) { filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; filter->priv = 0; filter->filter = _XkbFilterActionMessage; filter->upAction = *pAction; } if (pMsg->flags & XkbSA_MessageOnPress) { xkbActionMessage msg; msg.keycode = keycode; msg.press = 1; msg.keyEventFollows = ((pMsg->flags & XkbSA_MessageGenKeyEvent) != 0); memcpy((char *) msg.message, (char *) pMsg->message, XkbActionMessageLength); XkbSendActionMessage(kbd, &msg); } return ((pAction->msg.flags & XkbSA_MessageGenKeyEvent) != 0); } else if (filter->keycode == keycode) { pMsg = &filter->upAction.msg; if (pAction == NULL) { if (pMsg->flags & XkbSA_MessageOnRelease) { xkbActionMessage msg; msg.keycode = keycode; msg.press = 0; msg.keyEventFollows = ((pMsg->flags & XkbSA_MessageGenKeyEvent) != 0); memcpy((char *) msg.message, (char *) pMsg->message, XkbActionMessageLength); XkbSendActionMessage(kbd, &msg); } filter->keycode = 0; filter->active = 0; return ((pMsg->flags & XkbSA_MessageGenKeyEvent) != 0); } else if (memcmp(pMsg, pAction, 8) == 0) { /* Repeat: If we send the same message, avoid multiple messages on release from piling up. */ filter->keycode = 0; filter->active = 0; } } return 1; } static int _XkbFilterRedirectKey(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { DeviceEvent ev; int x, y; XkbStateRec old, old_prev; unsigned mods, mask; xkbDeviceInfoPtr xkbPrivPtr = XKBDEVICEINFO(xkbi->device); ProcessInputProc backupproc; if ((filter->keycode != 0) && (filter->keycode != keycode)) return 1; /* This can happen if the key repeats, and the state (modifiers or group) changes meanwhile. */ if ((filter->keycode == keycode) && pAction && (pAction->type != XkbSA_RedirectKey)) return 1; /* never actually used uninitialised, but gcc isn't smart enough * to work that out. */ memset(&old, 0, sizeof(old)); memset(&old_prev, 0, sizeof(old_prev)); memset(&ev, 0, sizeof(ev)); GetSpritePosition(xkbi->device, &x, &y); ev.header = ET_Internal; ev.length = sizeof(DeviceEvent); ev.time = GetTimeInMillis(); ev.root_x = x; ev.root_y = y; /* redirect actions do not work across devices, therefore the following is * correct: */ ev.deviceid = xkbi->device->id; /* filter->priv must be set up by the caller for the initial press. */ ev.sourceid = filter->priv; if (filter->keycode == 0) { /* initial press */ if ((pAction->redirect.new_key < xkbi->desc->min_key_code) || (pAction->redirect.new_key > xkbi->desc->max_key_code)) { return 1; } filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; filter->filter = _XkbFilterRedirectKey; filter->upAction = *pAction; ev.type = ET_KeyPress; ev.detail.key = pAction->redirect.new_key; mask = XkbSARedirectVModsMask(&pAction->redirect); mods = XkbSARedirectVMods(&pAction->redirect); if (mask) XkbVirtualModsToReal(xkbi->desc, mask, &mask); if (mods) XkbVirtualModsToReal(xkbi->desc, mods, &mods); mask |= pAction->redirect.mods_mask; mods |= pAction->redirect.mods; if (mask || mods) { old = xkbi->state; old_prev = xkbi->prev_state; xkbi->state.base_mods &= ~mask; xkbi->state.base_mods |= (mods & mask); xkbi->state.latched_mods &= ~mask; xkbi->state.latched_mods |= (mods & mask); xkbi->state.locked_mods &= ~mask; xkbi->state.locked_mods |= (mods & mask); XkbComputeDerivedState(xkbi); xkbi->prev_state = xkbi->state; } UNWRAP_PROCESS_INPUT_PROC(xkbi->device, xkbPrivPtr, backupproc); xkbi->device->public.processInputProc((InternalEvent *) &ev, xkbi->device); COND_WRAP_PROCESS_INPUT_PROC(xkbi->device, xkbPrivPtr, backupproc, xkbUnwrapProc); if (mask || mods) { xkbi->state = old; xkbi->prev_state = old_prev; } return 0; } else { /* If it is a key release, or we redirect to another key, release the previous new_key. Otherwise, repeat. */ ev.detail.key = filter->upAction.redirect.new_key; if (pAction == NULL || ev.detail.key != pAction->redirect.new_key) { ev.type = ET_KeyRelease; filter->active = 0; } else { ev.type = ET_KeyPress; ev.key_repeat = TRUE; } mask = XkbSARedirectVModsMask(&filter->upAction.redirect); mods = XkbSARedirectVMods(&filter->upAction.redirect); if (mask) XkbVirtualModsToReal(xkbi->desc, mask, &mask); if (mods) XkbVirtualModsToReal(xkbi->desc, mods, &mods); mask |= filter->upAction.redirect.mods_mask; mods |= filter->upAction.redirect.mods; if (mask || mods) { old = xkbi->state; old_prev = xkbi->prev_state; xkbi->state.base_mods &= ~mask; xkbi->state.base_mods |= (mods & mask); xkbi->state.latched_mods &= ~mask; xkbi->state.latched_mods |= (mods & mask); xkbi->state.locked_mods &= ~mask; xkbi->state.locked_mods |= (mods & mask); XkbComputeDerivedState(xkbi); xkbi->prev_state = xkbi->state; } UNWRAP_PROCESS_INPUT_PROC(xkbi->device, xkbPrivPtr, backupproc); xkbi->device->public.processInputProc((InternalEvent *) &ev, xkbi->device); COND_WRAP_PROCESS_INPUT_PROC(xkbi->device, xkbPrivPtr, backupproc, xkbUnwrapProc); if (mask || mods) { xkbi->state = old; xkbi->prev_state = old_prev; } /* We return 1 in case we have sent a release event because the new_key has changed. Then, subsequently, we will call this function again with the same pAction, which will create the press for the new new_key. */ return (pAction && ev.detail.key != pAction->redirect.new_key); } } static int _XkbFilterSwitchScreen(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { DeviceIntPtr dev = xkbi->device; if (dev == inputInfo.keyboard) return 0; if (filter->keycode == 0) { /* initial press */ filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; filter->filter = _XkbFilterSwitchScreen; AccessXCancelRepeatKey(xkbi, keycode); XkbDDXSwitchScreen(dev, keycode, pAction); return 0; } else if (filter->keycode == keycode) { filter->active = 0; return 0; } return 1; } static int _XkbFilterXF86Private(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { DeviceIntPtr dev = xkbi->device; if (dev == inputInfo.keyboard) return 0; if (filter->keycode == 0) { /* initial press */ filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; filter->filter = _XkbFilterXF86Private; XkbDDXPrivate(dev, keycode, pAction); return 0; } else if (filter->keycode == keycode) { filter->active = 0; return 0; } return 1; } static int _XkbFilterDeviceBtn(XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction *pAction) { if (xkbi->device == inputInfo.keyboard) return 0; if (filter->keycode == 0) { /* initial press */ DeviceIntPtr dev; int button; _XkbLookupButtonDevice(&dev, pAction->devbtn.device, serverClient, DixUnknownAccess, &button); if (!dev || !dev->public.on) return 1; button = pAction->devbtn.button; if ((button < 1) || (button > dev->button->numButtons)) return 1; filter->keycode = keycode; filter->active = 1; filter->filterOthers = 0; filter->priv = 0; filter->filter = _XkbFilterDeviceBtn; filter->upAction = *pAction; switch (pAction->type) { case XkbSA_LockDeviceBtn: if ((pAction->devbtn.flags & XkbSA_LockNoLock) || BitIsOn(dev->button->down, button)) return 0; XkbFakeDeviceButton(dev, TRUE, button); filter->upAction.type = XkbSA_NoAction; break; case XkbSA_DeviceBtn: if (pAction->devbtn.count > 0) { int nClicks, i; nClicks = pAction->btn.count; for (i = 0; i < nClicks; i++) { XkbFakeDeviceButton(dev, TRUE, button); XkbFakeDeviceButton(dev, FALSE, button); } filter->upAction.type = XkbSA_NoAction; } else XkbFakeDeviceButton(dev, TRUE, button); break; } } else if (filter->keycode == keycode) { DeviceIntPtr dev; int button; filter->active = 0; _XkbLookupButtonDevice(&dev, filter->upAction.devbtn.device, serverClient, DixUnknownAccess, &button); if (!dev || !dev->public.on) return 1; button = filter->upAction.btn.button; switch (filter->upAction.type) { case XkbSA_LockDeviceBtn: if ((filter->upAction.devbtn.flags & XkbSA_LockNoUnlock) || !BitIsOn(dev->button->down, button)) return 0; XkbFakeDeviceButton(dev, FALSE, button); break; case XkbSA_DeviceBtn: XkbFakeDeviceButton(dev, FALSE, button); break; } filter->active = 0; } return 0; } static XkbFilterPtr _XkbNextFreeFilter(XkbSrvInfoPtr xkbi) { register int i; if (xkbi->szFilters == 0) { xkbi->szFilters = 4; xkbi->filters = calloc(xkbi->szFilters, sizeof(XkbFilterRec)); /* 6/21/93 (ef) -- XXX! deal with allocation failure */ } for (i = 0; i < xkbi->szFilters; i++) { if (!xkbi->filters[i].active) { xkbi->filters[i].keycode = 0; return &xkbi->filters[i]; } } xkbi->szFilters *= 2; xkbi->filters = realloc(xkbi->filters, xkbi->szFilters * sizeof(XkbFilterRec)); /* 6/21/93 (ef) -- XXX! deal with allocation failure */ memset(&xkbi->filters[xkbi->szFilters / 2], 0, (xkbi->szFilters / 2) * sizeof(XkbFilterRec)); return &xkbi->filters[xkbi->szFilters / 2]; } static int _XkbApplyFilters(XkbSrvInfoPtr xkbi, unsigned kc, XkbAction *pAction) { register int i, send; send = 1; for (i = 0; i < xkbi->szFilters; i++) { if ((xkbi->filters[i].active) && (xkbi->filters[i].filter)) send = ((*xkbi->filters[i].filter) (xkbi, &xkbi->filters[i], kc, pAction) && send); } return send; } void XkbHandleActions(DeviceIntPtr dev, DeviceIntPtr kbd, DeviceEvent *event) { int key, bit, i; XkbSrvInfoPtr xkbi; KeyClassPtr keyc; int changed, sendEvent; Bool genStateNotify; XkbAction act; XkbFilterPtr filter; Bool keyEvent; Bool pressEvent; ProcessInputProc backupproc; xkbDeviceInfoPtr xkbPrivPtr = XKBDEVICEINFO(dev); keyc = kbd->key; xkbi = keyc->xkbInfo; key = event->detail.key; /* The state may change, so if we're not in the middle of sending a state * notify, prepare for it */ if ((xkbi->flags & _XkbStateNotifyInProgress) == 0) { xkbi->prev_state = xkbi->state; xkbi->flags |= _XkbStateNotifyInProgress; genStateNotify = TRUE; } else genStateNotify = FALSE; xkbi->clearMods = xkbi->setMods = 0; xkbi->groupChange = 0; sendEvent = 1; keyEvent = ((event->type == ET_KeyPress) || (event->type == ET_KeyRelease)); pressEvent = ((event->type == ET_KeyPress) || (event->type == ET_ButtonPress)); if (pressEvent) { if (keyEvent) act = XkbGetKeyAction(xkbi, &xkbi->state, key); else { act = XkbGetButtonAction(kbd, dev, key); key |= BTN_ACT_FLAG; } sendEvent = _XkbApplyFilters(xkbi, key, &act); if (sendEvent) { switch (act.type) { case XkbSA_SetMods: case XkbSA_SetGroup: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterSetState(xkbi, filter, key, &act); break; case XkbSA_LatchMods: case XkbSA_LatchGroup: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterLatchState(xkbi, filter, key, &act); break; case XkbSA_LockMods: case XkbSA_LockGroup: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterLockState(xkbi, filter, key, &act); break; case XkbSA_ISOLock: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterISOLock(xkbi, filter, key, &act); break; case XkbSA_MovePtr: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterPointerMove(xkbi, filter, key, &act); break; case XkbSA_PtrBtn: case XkbSA_LockPtrBtn: case XkbSA_SetPtrDflt: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterPointerBtn(xkbi, filter, key, &act); break; case XkbSA_Terminate: sendEvent = XkbDDXTerminateServer(dev, key, &act); break; case XkbSA_SwitchScreen: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterSwitchScreen(xkbi, filter, key, &act); break; case XkbSA_SetControls: case XkbSA_LockControls: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterControls(xkbi, filter, key, &act); break; case XkbSA_ActionMessage: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterActionMessage(xkbi, filter, key, &act); break; case XkbSA_RedirectKey: filter = _XkbNextFreeFilter(xkbi); /* redirect actions must create a new DeviceEvent. The * source device id for this event cannot be obtained from * xkbi, so we pass it here explicitly. The field deviceid * equals to xkbi->device->id. */ filter->priv = event->sourceid; sendEvent = _XkbFilterRedirectKey(xkbi, filter, key, &act); break; case XkbSA_DeviceBtn: case XkbSA_LockDeviceBtn: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterDeviceBtn(xkbi, filter, key, &act); break; case XkbSA_XFree86Private: filter = _XkbNextFreeFilter(xkbi); sendEvent = _XkbFilterXF86Private(xkbi, filter, key, &act); break; } } } else { if (!keyEvent) key |= BTN_ACT_FLAG; sendEvent = _XkbApplyFilters(xkbi, key, NULL); } if (xkbi->groupChange != 0) xkbi->state.base_group += xkbi->groupChange; if (xkbi->setMods) { for (i = 0, bit = 1; xkbi->setMods; i++, bit <<= 1) { if (xkbi->setMods & bit) { keyc->modifierKeyCount[i]++; xkbi->state.base_mods |= bit; xkbi->setMods &= ~bit; } } } if (xkbi->clearMods) { for (i = 0, bit = 1; xkbi->clearMods; i++, bit <<= 1) { if (xkbi->clearMods & bit) { keyc->modifierKeyCount[i]--; if (keyc->modifierKeyCount[i] <= 0) { xkbi->state.base_mods &= ~bit; keyc->modifierKeyCount[i] = 0; } xkbi->clearMods &= ~bit; } } } if (sendEvent) { DeviceIntPtr tmpdev; if (keyEvent) tmpdev = dev; else tmpdev = GetMaster(dev, POINTER_OR_FLOAT); UNWRAP_PROCESS_INPUT_PROC(tmpdev, xkbPrivPtr, backupproc); dev->public.processInputProc((InternalEvent *) event, tmpdev); COND_WRAP_PROCESS_INPUT_PROC(tmpdev, xkbPrivPtr, backupproc, xkbUnwrapProc); } else if (keyEvent) { FixKeyState(event, dev); } XkbComputeDerivedState(xkbi); changed = XkbStateChangedFlags(&xkbi->prev_state, &xkbi->state); if (genStateNotify) { if (changed) { xkbStateNotify sn; sn.keycode = key; sn.eventType = event->type; sn.requestMajor = sn.requestMinor = 0; sn.changed = changed; XkbSendStateNotify(dev, &sn); } xkbi->flags &= ~_XkbStateNotifyInProgress; } changed = XkbIndicatorsToUpdate(dev, changed, FALSE); if (changed) { XkbEventCauseRec cause; XkbSetCauseKey(&cause, key, event->type); XkbUpdateIndicators(dev, changed, FALSE, NULL, &cause); } return; } int XkbLatchModifiers(DeviceIntPtr pXDev, CARD8 mask, CARD8 latches) { XkbSrvInfoPtr xkbi; XkbFilterPtr filter; XkbAction act; unsigned clear; if (pXDev && pXDev->key && pXDev->key->xkbInfo) { xkbi = pXDev->key->xkbInfo; clear = (mask & (~latches)); xkbi->state.latched_mods &= ~clear; /* Clear any pending latch to locks. */ act.type = XkbSA_NoAction; _XkbApplyFilters(xkbi, SYNTHETIC_KEYCODE, &act); act.type = XkbSA_LatchMods; act.mods.flags = 0; act.mods.mask = mask & latches; filter = _XkbNextFreeFilter(xkbi); _XkbFilterLatchState(xkbi, filter, SYNTHETIC_KEYCODE, &act); _XkbFilterLatchState(xkbi, filter, SYNTHETIC_KEYCODE, (XkbAction *) NULL); return Success; } return BadValue; } int XkbLatchGroup(DeviceIntPtr pXDev, int group) { XkbSrvInfoPtr xkbi; XkbFilterPtr filter; XkbAction act; if (pXDev && pXDev->key && pXDev->key->xkbInfo) { xkbi = pXDev->key->xkbInfo; act.type = XkbSA_LatchGroup; act.group.flags = 0; XkbSASetGroup(&act.group, group); filter = _XkbNextFreeFilter(xkbi); _XkbFilterLatchState(xkbi, filter, SYNTHETIC_KEYCODE, &act); _XkbFilterLatchState(xkbi, filter, SYNTHETIC_KEYCODE, (XkbAction *) NULL); return Success; } return BadValue; } /***====================================================================***/ void XkbClearAllLatchesAndLocks(DeviceIntPtr dev, XkbSrvInfoPtr xkbi, Bool genEv, XkbEventCausePtr cause) { XkbStateRec os; xkbStateNotify sn; sn.changed = 0; os = xkbi->state; if (os.latched_mods) { /* clear all latches */ XkbLatchModifiers(dev, ~0, 0); sn.changed |= XkbModifierLatchMask; } if (os.latched_group) { XkbLatchGroup(dev, 0); sn.changed |= XkbGroupLatchMask; } if (os.locked_mods) { xkbi->state.locked_mods = 0; sn.changed |= XkbModifierLockMask; } if (os.locked_group) { xkbi->state.locked_group = 0; sn.changed |= XkbGroupLockMask; } if (genEv && sn.changed) { CARD32 changed; XkbComputeDerivedState(xkbi); sn.keycode = cause->kc; sn.eventType = cause->event; sn.requestMajor = cause->mjr; sn.requestMinor = cause->mnr; sn.changed = XkbStateChangedFlags(&os, &xkbi->state); XkbSendStateNotify(dev, &sn); changed = XkbIndicatorsToUpdate(dev, sn.changed, FALSE); if (changed) { XkbUpdateIndicators(dev, changed, TRUE, NULL, cause); } } return; } /* * The event is injected into the event processing, not the EQ. Thus, * ensure that we restore the master after the event sequence to the * original set of classes. Otherwise, the master remains on the XTEST * classes and drops events that don't fit into the XTEST layout (e.g. * events with more than 2 valuators). * * FIXME: EQ injection in the processing stage is not designed for, so this * is a rather awkward hack. The event list returned by GetPointerEvents() * and friends is always prefixed with a DCE if the last _posted_ device was * different. For normal events, this sequence then resets the master during * the processing stage. Since we inject the PointerKey events in the * processing stage though, we need to manually reset to restore the * previous order, because the events already in the EQ must be sent for the * right device. * So we post-fix the event list we get from GPE with a DCE back to the * previous slave device. * * First one on drinking island wins! */ static void InjectPointerKeyEvents(DeviceIntPtr dev, int type, int button, int flags, ValuatorMask *mask) { ScreenPtr pScreen; InternalEvent *events; int nevents, i; DeviceIntPtr ptr, mpointer, lastSlave = NULL; Bool saveWait; if (IsMaster(dev)) { mpointer = GetMaster(dev, MASTER_POINTER); lastSlave = mpointer->lastSlave; ptr = GetXTestDevice(mpointer); } else if (IsFloating(dev)) ptr = dev; else return; events = InitEventList(GetMaximumEventsNum() + 1); OsBlockSignals(); pScreen = miPointerGetScreen(ptr); saveWait = miPointerSetWaitForUpdate(pScreen, FALSE); nevents = GetPointerEvents(events, ptr, type, button, flags, mask); if (IsMaster(dev) && (lastSlave && lastSlave != ptr)) UpdateFromMaster(&events[nevents], lastSlave, DEVCHANGE_POINTER_EVENT, &nevents); miPointerSetWaitForUpdate(pScreen, saveWait); OsReleaseSignals(); for (i = 0; i < nevents; i++) mieqProcessDeviceEvent(ptr, &events[i], NULL); FreeEventList(events, GetMaximumEventsNum()); } static void XkbFakePointerMotion(DeviceIntPtr dev, unsigned flags, int x, int y) { ValuatorMask mask; int gpe_flags = 0; /* ignore attached SDs */ if (!IsMaster(dev) && !IsFloating(dev)) return; if (flags & XkbSA_MoveAbsoluteX || flags & XkbSA_MoveAbsoluteY) gpe_flags = POINTER_ABSOLUTE; else gpe_flags = POINTER_RELATIVE; valuator_mask_set_range(&mask, 0, 2, (int[]) { x, y}); InjectPointerKeyEvents(dev, MotionNotify, 0, gpe_flags, &mask); } void XkbFakeDeviceButton(DeviceIntPtr dev, Bool press, int button) { DeviceIntPtr ptr; int down; /* If dev is a slave device, and the SD is attached, do nothing. If we'd * post through the attached master pointer we'd get duplicate events. * * if dev is a master keyboard, post through the XTEST device * * if dev is a floating slave, post through the device itself. */ if (IsMaster(dev)) { DeviceIntPtr mpointer = GetMaster(dev, MASTER_POINTER); ptr = GetXTestDevice(mpointer); } else if (IsFloating(dev)) ptr = dev; else return; down = button_is_down(ptr, button, BUTTON_PROCESSED); if (press == down) return; InjectPointerKeyEvents(dev, press ? ButtonPress : ButtonRelease, button, 0, NULL); }