/************************************************************ 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> #define EXTENSION_EVENT_BASE 64 static int xkbDevicePrivateKeyIndex; DevPrivateKey xkbDevicePrivateKey = &xkbDevicePrivateKeyIndex; 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); } void XkbSetExtension(DeviceIntPtr device, ProcessInputProc proc) { xkbDeviceInfoPtr xkbPrivPtr; xkbPrivPtr = (xkbDeviceInfoPtr) xcalloc(1, sizeof(xkbDeviceInfoRec)); if (!xkbPrivPtr) return; xkbPrivPtr->unwrapProc = NULL; dixSetPrivate(&device->devPrivates, xkbDevicePrivateKey, xkbPrivPtr); 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 #define NO_LATCH 3 static int _XkbFilterLatchState( XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction * pAction) { if (filter->keycode==0) { /* initial press */ 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 (filter->upAction.type==XkbSA_LatchMods) xkbi->state.latched_mods&= ~filter->upAction.mods.mask; else xkbi->state.latched_group-=XkbSAGroup(&filter->upAction.group); } else if ((pAction->type==filter->upAction.type)&& (pAction->mods.flags==filter->upAction.mods.flags)&& (pAction->mods.mask==filter->upAction.mods.mask)) { if (filter->upAction.mods.flags&XkbSA_LatchToLock) { XkbControlsPtr ctrls= xkbi->desc->ctrls; if (filter->upAction.type==XkbSA_LatchMods) pAction->mods.type= XkbSA_LockMods; else pAction->group.type= XkbSA_LockGroup; if (XkbAX_NeedFeedback(ctrls,XkbAX_StickyKeysFBMask)&& (ctrls->enabled_ctrls&XkbStickyKeysMask)) { XkbDDXAccessXBeep(xkbi->device,_BEEP_STICKY_LOCK, XkbStickyKeysMask); } } else { if (filter->upAction.type==XkbSA_LatchMods) pAction->mods.type= XkbSA_SetMods; else pAction->group.type= XkbSA_SetGroup; } if (filter->upAction.type==XkbSA_LatchMods) xkbi->state.latched_mods&= ~filter->upAction.mods.mask; else xkbi->state.latched_group-=XkbSAGroup(&filter->upAction.group); filter->active = 0; } } else if (filter->keycode==keycode) { /* release */ XkbControlsPtr ctrls= xkbi->desc->ctrls; int needBeep; int beepType= _BEEP_NONE; needBeep= ((ctrls->enabled_ctrls&XkbStickyKeysMask)&& XkbAX_NeedFeedback(ctrls,XkbAX_StickyKeysFBMask)); if (filter->upAction.type==XkbSA_LatchMods) { xkbi->clearMods = filter->upAction.mods.mask; if ((filter->upAction.mods.flags&XkbSA_ClearLocks)&& (xkbi->clearMods&xkbi->state.locked_mods)==xkbi->clearMods) { xkbi->state.locked_mods&= ~xkbi->clearMods; filter->priv= NO_LATCH; beepType= _BEEP_STICKY_UNLOCK; } } else { xkbi->groupChange = -XkbSAGroup(&filter->upAction.group); if ((filter->upAction.group.flags&XkbSA_ClearLocks)&& (xkbi->state.locked_group)) { xkbi->state.locked_group = 0; filter->priv = NO_LATCH; beepType= _BEEP_STICKY_UNLOCK; } } if (filter->priv==NO_LATCH) { filter->active= 0; } else { filter->priv= LATCH_PENDING; if (filter->upAction.type==XkbSA_LatchMods) { xkbi->state.latched_mods |= filter->upAction.mods.mask; needBeep = xkbi->state.latched_mods ? needBeep : 0; xkbi->state.latched_mods |= filter->upAction.mods.mask; } else { xkbi->state.latched_group+= XkbSAGroup(&filter->upAction.group); } if (needBeep && (beepType==_BEEP_NONE)) beepType= _BEEP_STICKY_LATCH; } if (needBeep && (beepType!=_BEEP_NONE)) XkbDDXAccessXBeep(xkbi->device,beepType,XkbStickyKeysMask); } else if (filter->priv==LATCH_KEY_DOWN) { filter->priv= NO_LATCH; filter->filterOthers = 0; } 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 = 0; filter->filter = _XkbFilterLockState; filter->upAction = *pAction; 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; } 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; } XkbDDXFakePointerMotion(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 (xkbi->device == inputInfo.keyboard) return 0; 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); XkbDDXFakePointerMotion(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); XkbDDXFakeDeviceButton(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++) { XkbDDXFakeDeviceButton(xkbi->device, 1, button); XkbDDXFakeDeviceButton(xkbi->device, 0, button); } filter->upAction.type= XkbSA_NoAction; } else XkbDDXFakeDeviceButton(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); case XkbSA_PtrBtn: XkbDDXFakeDeviceButton(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; 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 (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); } return 0; } static int _XkbFilterRedirectKey( XkbSrvInfoPtr xkbi, XkbFilterPtr filter, unsigned keycode, XkbAction * pAction) { DeviceEvent ev; int x,y; XkbStateRec old; unsigned mods,mask; xkbDeviceInfoPtr xkbPrivPtr = XKBDEVICEINFO(xkbi->device); ProcessInputProc backupproc; /* never actually used uninitialised, but gcc isn't smart enough * to work that out. */ memset(&old, 0, sizeof(old)); if ((filter->keycode!=0)&&(filter->keycode!=keycode)) return 1; GetSpritePosition(xkbi->device, &x,&y); ev.header = ET_Internal; ev.length = sizeof(DeviceEvent); ev.time = GetTimeInMillis(); ev.root_x = x; ev.root_y = y; 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->priv = 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; 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); } 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; } else if (filter->keycode==keycode) { ev.type = ET_KeyRelease; ev.detail.key = filter->upAction.redirect.new_key; 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; 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); } 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; filter->keycode= 0; filter->active= 0; } return 0; } 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) { DeviceIntPtr dev; int button; if (filter->keycode==0) { /* initial press */ _XkbLookupButtonDevice(&dev, pAction->devbtn.device, serverClient, DixUnknownAccess, &button); if (!dev || !dev->public.on) return 1; if (xkbi->device == inputInfo.keyboard) return 0; 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; XkbDDXFakeDeviceButton(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++) { XkbDDXFakeDeviceButton(dev,True,button); XkbDDXFakeDeviceButton(dev,False,button); } filter->upAction.type= XkbSA_NoAction; } else XkbDDXFakeDeviceButton(dev,True,button); break; } } else if (filter->keycode==keycode) { 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; XkbDDXFakeDeviceButton(dev,False,button); break; case XkbSA_DeviceBtn: XkbDDXFakeDeviceButton(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 = _XkbTypedCalloc(xkbi->szFilters,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= _XkbTypedRealloc(xkbi->filters, xkbi->szFilters, XkbFilterRec); /* 6/21/93 (ef) -- XXX! deal with allocation failure */ bzero(&xkbi->filters[xkbi->szFilters/2], (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); 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 = GetPairedDevice(dev); 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; }