KeySym
X11_KeyCodeToSym(_THIS, KeyCode keycode, unsigned char group)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
KeySym keysym;
#if SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM
if (data->xkb) {
int num_groups = XkbKeyNumGroups(data->xkb, keycode);
unsigned char info = XkbKeyGroupInfo(data->xkb, keycode);
if (num_groups && group >= num_groups) {
int action = XkbOutOfRangeGroupAction(info);
if (action == XkbRedirectIntoRange) {
if ((group = XkbOutOfRangeGroupNumber(info)) >= num_groups) {
group = 0;
}
} else if (action == XkbClampIntoRange) {
group = num_groups - 1;
} else {
group %= num_groups;
}
}
keysym = X11_XkbKeycodeToKeysym(data->display, keycode, group, 0);
} else {
keysym = X11_XKeycodeToKeysym(data->display, keycode, 0);
}
#else
keysym = X11_XKeycodeToKeysym(data->display, keycode, 0);
#endif
return keysym;
}
KeySym
XkbKeycodeToKeysym(Display *dpy,
#if NeedWidePrototypes
unsigned int kc,
#else
KeyCode kc,
#endif
int group,
int level)
{
XkbDescRec *xkb;
if (_XkbUnavailable(dpy))
return NoSymbol;
_XkbCheckPendingRefresh(dpy,dpy->xkb_info);
xkb = dpy->xkb_info->desc;
if ((kc<xkb->min_key_code)||(kc>xkb->max_key_code))
return NoSymbol;
if ((group<0)||(level<0)||(group>=XkbKeyNumGroups(xkb,kc)))
return NoSymbol;
if (level>=XkbKeyGroupWidth(xkb,kc,group)) {
/* for compatibility with the core protocol, _always_ allow */
/* two symbols in the first two groups. If either of the */
/* two is of type ONE_LEVEL, just replicate the first symbol */
if ((group>XkbGroup2Index)||(XkbKeyGroupWidth(xkb,kc,group)!=1)||
(level!=1)) {
return NoSymbol;
}
level= 0;
}
return XkbKeySymEntry(xkb,kc,level,group);
}
static unsigned XkbKeyEffectiveGroup(XkbDescPtr xkb, KeyCode key, unsigned int mods)
{
int nKeyGroups;
unsigned effectiveGroup;
nKeyGroups= XkbKeyNumGroups(xkb,key);
if ((!XkbKeycodeInRange(xkb,key))||(nKeyGroups==0))
return 0;
effectiveGroup= XkbGroupForCoreState(mods);
if ( effectiveGroup>=nKeyGroups ) {
unsigned groupInfo= XkbKeyGroupInfo(xkb,key);
switch (XkbOutOfRangeGroupAction(groupInfo)) {
default:
effectiveGroup %= nKeyGroups;
break;
case XkbClampIntoRange:
effectiveGroup = nKeyGroups-1;
break;
case XkbRedirectIntoRange:
effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo);
if (effectiveGroup>=nKeyGroups)
effectiveGroup= 0;
break;
}
}
return effectiveGroup;
}
static XkbAction *XkbKeyActionPtr(XkbDescPtr xkb, KeyCode key, unsigned int mods)
{
XkbKeyTypeRec *type;
int col,nKeyGroups;
unsigned effectiveGroup;
XkbAction *acts;
if (!XkbKeyHasActions(xkb, key))
return NULL;
nKeyGroups= XkbKeyNumGroups(xkb,key);
if ((!XkbKeycodeInRange(xkb,key))||(nKeyGroups==0))
return NULL;
acts = XkbKeyActionsPtr(xkb,key);
/* find the offset of the effective group */
col = 0;
effectiveGroup= XkbGroupForCoreState(mods);
if ( effectiveGroup>=nKeyGroups ) {
unsigned groupInfo= XkbKeyGroupInfo(xkb,key);
switch (XkbOutOfRangeGroupAction(groupInfo)) {
default:
effectiveGroup %= nKeyGroups;
break;
case XkbClampIntoRange:
effectiveGroup = nKeyGroups-1;
break;
case XkbRedirectIntoRange:
effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo);
if (effectiveGroup>=nKeyGroups)
effectiveGroup= 0;
break;
}
}
col= effectiveGroup*XkbKeyGroupsWidth(xkb,key);
type = XkbKeyKeyType(xkb,key,effectiveGroup);
if (type->map) { /* find the column (shift level) within the group */
register int i;
register XkbKTMapEntryPtr entry;
for (i=0,entry=type->map;i<type->map_count;i++,entry++) {
if ((entry->active)&&((mods&type->mods.mask)==entry->mods.mask)) {
col+= entry->level;
break;
}
}
}
return &acts[col];
}
KeySym
XKeycodeToKeysym(Display *dpy,
#if NeedWidePrototypes
unsigned int kc,
#else
KeyCode kc,
#endif
int col)
{
XkbDescRec *xkb;
if (_XkbUnavailable(dpy))
return _XKeycodeToKeysym(dpy, kc, col);
_XkbCheckPendingRefresh(dpy,dpy->xkb_info);
xkb = dpy->xkb_info->desc;
if ((kc<xkb->min_key_code)||(kc>xkb->max_key_code))
return NoSymbol;
if (col>3) {
int lastSym,tmp,nGrp;
lastSym= 3;
nGrp= XkbKeyNumGroups(xkb,kc);
if ((nGrp>0)&&((tmp=XkbKeyGroupWidth(xkb,kc,XkbGroup1Index))>2)) {
if (col<=(lastSym+tmp-2))
return XkbKeycodeToKeysym(dpy,kc,XkbGroup1Index,col-lastSym+2);
lastSym+= tmp-2;
}
if ((nGrp>1)&&((tmp=XkbKeyGroupWidth(xkb,kc,XkbGroup2Index))>2)) {
if (col<=(lastSym+tmp-2))
return XkbKeycodeToKeysym(dpy,kc,XkbGroup2Index,col-lastSym+2);
lastSym+= tmp-2;
}
if (nGrp>2) {
tmp= XkbKeyGroupWidth(xkb,kc,XkbGroup3Index);
if (col<=lastSym+tmp)
return XkbKeycodeToKeysym(dpy,kc,XkbGroup3Index,col-lastSym);
lastSym+= tmp;
}
if (nGrp>3) {
tmp= XkbKeyGroupWidth(xkb,kc,XkbGroup4Index);
if (col<=lastSym+tmp)
return XkbKeycodeToKeysym(dpy,kc,XkbGroup4Index,col-lastSym);
}
return NoSymbol;
}
return XkbKeycodeToKeysym(dpy,kc,(col>>1),(col&1));
}
/* Return the modifier mask that needs to be pressed to produce key in the
* given group (keyboard layout) and level ("shift level").
*/
static GdkModifierType
FinallyGetModifiersForKeycode (XkbDescPtr xkb,
KeyCode key,
uint group,
uint level)
{
int nKeyGroups;
int effectiveGroup;
XkbKeyTypeRec *type;
int k;
nKeyGroups = XkbKeyNumGroups(xkb, key);
if ((!XkbKeycodeInRange(xkb, key)) || (nKeyGroups == 0)) {
return MODIFIERS_ERROR;
}
/* Taken from GDK's MyEnhancedXkbTranslateKeyCode */
/* find the offset of the effective group */
effectiveGroup = group;
if (effectiveGroup >= nKeyGroups) {
unsigned groupInfo = XkbKeyGroupInfo(xkb,key);
switch (XkbOutOfRangeGroupAction(groupInfo)) {
default:
effectiveGroup %= nKeyGroups;
break;
case XkbClampIntoRange:
effectiveGroup = nKeyGroups-1;
break;
case XkbRedirectIntoRange:
effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo);
if (effectiveGroup >= nKeyGroups)
effectiveGroup = 0;
break;
}
}
type = XkbKeyKeyType(xkb, key, effectiveGroup);
for (k = 0; k < type->map_count; k++) {
if (type->map[k].active && type->map[k].level == level) {
if (type->preserve) {
return (type->map[k].mods.mask &
~type->preserve[k].mask);
} else {
return type->map[k].mods.mask;
}
}
}
return MODIFIERS_NONE;
}
void KeyboardLayoutWidget::drawKeyLabel(QPainter* painter, uint keycode, int angle, int xkb_origin_x, int xkb_origin_y, int xkb_width, int xkb_height, bool is_pressed)
{
int x, y, width, height;
int padding;
int g, l, glp;
if (!xkb)
return;
padding = 23 * ratio; /* 2.3mm */
x = xkbToPixmapCoord (xkb_origin_x);
y = xkbToPixmapCoord (xkb_origin_y);
width = xkbToPixmapCoord (xkb_origin_x + xkb_width) - x;
height = xkbToPixmapCoord (xkb_origin_y + xkb_height) - y;
for (glp = KEYBOARD_DRAWING_POS_TOPLEFT;
glp < KEYBOARD_DRAWING_POS_TOTAL; glp++) {
if (groupLevels[glp] == NULL)
continue;
g = groupLevels[glp]->group;
l = groupLevels[glp]->level;
if (g < 0 || g >= XkbKeyNumGroups (xkb, keycode))
continue;
if (l < 0
|| l >= XkbKeyGroupWidth (xkb, keycode, g))
continue;
/* Skip "exotic" levels like the "Ctrl" level in PC_SYSREQ */
if (l > 0) {
uint mods = XkbKeyKeyType (xkb, keycode,
g)->mods.mask;
if ((mods & (ShiftMask | l3mod)) == 0)
continue;
}
if (trackModifiers) {
uint mods_rtrn;
KeySym keysym;
if (XkbTranslateKeyCode (xkb, keycode,
XkbBuildCoreState(mods, g),
&mods_rtrn, &keysym)) {
drawKeyLabelHelper (painter, keysym, angle, glp,
x, y, width, height,
padding,
is_pressed);
/* reverse y order */
}
} else {
KeySym keysym;
keysym =
XkbKeySymEntry (xkb, keycode, l, g);
drawKeyLabelHelper (painter, keysym,
angle, glp, x, y, width,
height, padding,
is_pressed);
/* reverse y order */
}
}
}
Bool
XkbLookupGroupAndLevel( XkbDescPtr xkb,
int key,
int * mods_inout,
int * grp_inout,
int * lvl_rtrn)
{
int nG,eG;
if ((!xkb)||(!XkbKeycodeInRange(xkb,key))||(!grp_inout))
return False;
nG= XkbKeyNumGroups(xkb,key);
eG= *grp_inout;
if ( nG==0 ) {
*grp_inout= 0;
if (lvl_rtrn!=NULL)
*lvl_rtrn= 0;
return False;
}
else if ( nG==1 ) {
eG= 0;
}
else if ( eG>=nG ) {
unsigned gI= XkbKeyGroupInfo(xkb,key);
switch (XkbOutOfRangeGroupAction(gI)) {
default:
eG %= nG;
break;
case XkbClampIntoRange:
eG = nG-1;
break;
case XkbRedirectIntoRange:
eG = XkbOutOfRangeGroupNumber(gI);
if (eG>=nG)
eG= 0;
break;
}
}
*grp_inout= eG;
if (mods_inout!=NULL) {
XkbKeyTypePtr type;
int preserve;
type = XkbKeyKeyType(xkb,key,eG);
if (lvl_rtrn!=NULL)
*lvl_rtrn= 0;
preserve= 0;
if (type->map) { /* find the shift level */
register int i;
register XkbKTMapEntryPtr entry;
for (i=0,entry=type->map; i<type->map_count; i++,entry++) {
if ((entry->active)&&
(((*mods_inout)&type->mods.mask)==entry->mods.mask)) {
if (lvl_rtrn!=NULL)
*lvl_rtrn= entry->level;
if (type->preserve)
preserve= type->preserve[i].mask;
break;
}
}
}
(*mods_inout)&= ~(type->mods.mask&(~preserve));
}
return True;
}
/* Stolen from libX11 */
static Bool
XkbTranslateKeyCode(register XkbDescPtr xkb, KeyCode key,
register unsigned int mods, unsigned int *mods_rtrn,
KeySym *keysym_rtrn)
{
XkbKeyTypeRec *type;
int col,nKeyGroups;
unsigned preserve,effectiveGroup;
KeySym *syms;
if (mods_rtrn!=NULL)
*mods_rtrn = 0;
nKeyGroups= XkbKeyNumGroups(xkb,key);
if ((!XkbKeycodeInRange(xkb,key))||(nKeyGroups==0)) {
if (keysym_rtrn!=NULL)
*keysym_rtrn = NoSymbol;
return False;
}
syms = XkbKeySymsPtr(xkb,key);
/* find the offset of the effective group */
col = 0;
effectiveGroup= XkbGroupForCoreState(mods);
if ( effectiveGroup>=nKeyGroups ) {
unsigned groupInfo= XkbKeyGroupInfo(xkb,key);
switch (XkbOutOfRangeGroupAction(groupInfo)) {
default:
effectiveGroup %= nKeyGroups;
break;
case XkbClampIntoRange:
effectiveGroup = nKeyGroups-1;
break;
case XkbRedirectIntoRange:
effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo);
if (effectiveGroup>=nKeyGroups)
effectiveGroup= 0;
break;
}
}
col= effectiveGroup*XkbKeyGroupsWidth(xkb,key);
type = XkbKeyKeyType(xkb,key,effectiveGroup);
preserve= 0;
if (type->map) { /* find the column (shift level) within the group */
register int i;
register XkbKTMapEntryPtr entry;
for (i=0,entry=type->map;i<type->map_count;i++,entry++) {
if ((entry->active)&&((mods&type->mods.mask)==entry->mods.mask)) {
col+= entry->level;
if (type->preserve)
preserve= type->preserve[i].mask;
break;
}
}
}
if (keysym_rtrn!=NULL)
*keysym_rtrn= syms[col];
if (mods_rtrn)
*mods_rtrn= type->mods.mask&(~preserve);
return (syms[col]!=NoSymbol);
}
KeyCode vncAddKeysym(KeySym keysym, unsigned state)
{
DeviceIntPtr master;
XkbDescPtr xkb;
unsigned int key;
XkbEventCauseRec cause;
XkbChangesRec changes;
int types[1];
KeySym *syms;
KeySym upper, lower;
master = GetMaster(vncKeyboardDev, KEYBOARD_OR_FLOAT);
xkb = master->key->xkbInfo->desc;
for (key = xkb->max_key_code; key >= xkb->min_key_code; key--) {
if (XkbKeyNumGroups(xkb, key) == 0)
break;
}
if (key < xkb->min_key_code)
return 0;
memset(&changes, 0, sizeof(changes));
memset(&cause, 0, sizeof(cause));
XkbSetCauseUnknown(&cause);
/*
* Tools like xkbcomp get confused if there isn't a name
* assigned to the keycode we're trying to use.
*/
if (xkb->names && xkb->names->keys &&
(xkb->names->keys[key].name[0] == '\0')) {
xkb->names->keys[key].name[0] = 'I';
xkb->names->keys[key].name[1] = '0' + (key / 100) % 10;
xkb->names->keys[key].name[2] = '0' + (key / 10) % 10;
xkb->names->keys[key].name[3] = '0' + (key / 1) % 10;
changes.names.changed |= XkbKeyNamesMask;
changes.names.first_key = key;
changes.names.num_keys = 1;
}
/* FIXME: Verify that ONE_LEVEL/ALPHABETIC isn't screwed up */
/*
* For keysyms that are affected by Lock, we are better off
* using ALPHABETIC rather than ONE_LEVEL as the latter
* generally cannot produce lower case when Lock is active.
*/
XkbConvertCase(keysym, &lower, &upper);
if (upper == lower)
types[XkbGroup1Index] = XkbOneLevelIndex;
else
types[XkbGroup1Index] = XkbAlphabeticIndex;
XkbChangeTypesOfKey(xkb, key, 1, XkbGroup1Mask, types, &changes.map);
syms = XkbKeySymsPtr(xkb,key);
if (upper == lower)
syms[0] = keysym;
else {
syms[0] = lower;
syms[1] = upper;
}
changes.map.changed |= XkbKeySymsMask;
changes.map.first_key_sym = key;
changes.map.num_key_syms = 1;
XkbSendNotification(master, &changes, &cause);
return key;
}
int
XLookupString ( register XKeyEvent * event,
char * buffer,
int nbytes,
KeySym * keysym,
XComposeStatus * status)
{
KeySym dummy;
int rtrnLen;
unsigned int new_mods;
Display *dpy = event->display;
if (keysym==NULL)
keysym= &dummy;
if (!XkbLookupKeySym(dpy,event->keycode,event->state, &new_mods,keysym))
return 0;
new_mods= (event->state&(~new_mods));
/* find the group where a symbol can be converted to control one */
if (new_mods&ControlMask && *keysym > 0x7F &&
(dpy->xkb_info->xlib_ctrls & XkbLC_ControlFallback)) {
XKeyEvent tmp_ev = *event;
KeySym tmp_keysym;
unsigned int tmp_new_mods;
if (_XkbUnavailable(dpy)) {
tmp_ev.state= event->state ^ dpy->mode_switch;
if (XkbLookupKeySym(dpy, tmp_ev.keycode, tmp_ev.state,
&tmp_new_mods, &tmp_keysym) &&
tmp_keysym != NoSymbol && tmp_keysym < 0x80 ) {
*keysym = tmp_keysym;
}
} else {
int n = XkbKeyNumGroups(dpy->xkb_info->desc, tmp_ev.keycode);
int i;
for (i = 0; i < n; i++) {
if (XkbGroupForCoreState(event->state) == i)
continue;
tmp_ev.state= XkbBuildCoreState(tmp_ev.state, i);
if (XkbLookupKeySym(dpy, tmp_ev.keycode, tmp_ev.state,
&tmp_new_mods, &tmp_keysym) &&
tmp_keysym != NoSymbol && tmp_keysym < 0x80 ) {
*keysym = tmp_keysym;
new_mods= (event->state&(~tmp_new_mods));
break;
}
}
}
}
#ifdef USE_OWN_COMPOSE
if ( status ) {
static int been_here= 0;
if ( !been_here ) {
XimCompInitTables();
been_here = 1;
}
if ( !XimCompLegalStatus(status) ) {
status->compose_ptr = NULL;
status->chars_matched = 0;
}
if ( ((status->chars_matched>0)&&(status->compose_ptr!=NULL)) ||
XimCompIsComposeKey(*keysym,event->keycode,status) ) {
XimCompRtrn rtrn;
switch (XimCompProcessSym(status,*keysym,&rtrn)) {
case XIM_COMP_IGNORE:
break;
case XIM_COMP_IN_PROGRESS:
if ( keysym!=NULL )
*keysym = NoSymbol;
#ifndef NO_COMPOSE_LED
if ( dpy->xkb_info->xlib_ctrls&XkbLC_ComposeLED ) {
XkbSetNamedIndicator(dpy,dpy->xkb_info->composeLED,
True,True,False,NULL);
}
#endif
return 0;
case XIM_COMP_FAIL:
{
static Atom _ComposeFail= None;
int n = 0, len= 0;
#ifndef NO_COMPOSE_LED
if ( dpy->xkb_info->xlib_ctrls&XkbLC_ComposeLED ) {
XkbSetNamedIndicator(dpy,dpy->xkb_info->composeLED,
True,False,False,NULL);
}
#endif
#ifndef NO_BELL_ON_COMPOSE_FAIL
if (dpy->xkb_info->xlib_ctrls&XkbLC_BeepOnComposeFail) {
if (_ComposeFail==None)
_ComposeFail= XInternAtom(dpy,"ComposeFail",0);
XkbBell(dpy,event->window,0,_ComposeFail);
}
#endif
for (n=len=0;rtrn.sym[n]!=XK_VoidSymbol;n++) {
if ( nbytes-len > 0 ) {
len+= XkbTranslateKeySym(dpy,&rtrn.sym[n],new_mods,
buffer+len,nbytes-len,
NULL);
}
}
if ( keysym!=NULL ) {
if ( n==1 ) *keysym = rtrn.sym[0];
else *keysym = NoSymbol;
}
return len;
}
case XIM_COMP_SUCCEED:
{
int len,n = 0;
#ifndef NO_COMPOSE_LED
if ( dpy->xkb_info->xlib_ctrls&XkbLC_ComposeLED ) {
XkbSetNamedIndicator(dpy,dpy->xkb_info->composeLED,
True,False,False,NULL);
}
#endif
*keysym = rtrn.matchSym;
if ( rtrn.str[0]!='\0' ) {
strncpy(buffer,rtrn.str,nbytes-1);
buffer[nbytes-1]= '\0';
len = (int)strlen(buffer);
}
else {
len = XkbTranslateKeySym(dpy,keysym,new_mods,
buffer,nbytes,
NULL);
}
for (n=0;rtrn.sym[n]!=XK_VoidSymbol;n++) {
if ( nbytes-len > 0 ) {
len+= XkbTranslateKeySym(dpy,&rtrn.sym[n],
event->state,
buffer+len,nbytes-len,
NULL);
}
}
return len;
}
}
}
}
#endif
/* We *should* use the new_mods (which does not contain any modifiers */
/* that were used to compute the symbol here, but pre-XKB XLookupString */
/* did not and we have to remain compatible. Sigh. */
if (_XkbUnavailable(dpy) ||
(dpy->xkb_info->xlib_ctrls&XkbLC_ConsumeLookupMods)==0)
new_mods= event->state;
rtrnLen= XkbLookupKeyBinding(dpy,*keysym,new_mods,buffer,nbytes,NULL);
if (rtrnLen>0)
return rtrnLen;
return XkbTranslateKeySym(dpy,keysym,new_mods,buffer,nbytes,NULL);
}
Bool
XkbTranslateKeyCode( register XkbDescPtr xkb,
KeyCode key,
register unsigned int mods,
unsigned int * mods_rtrn,
KeySym * keysym_rtrn)
{
XkbKeyTypeRec *type;
int col,nKeyGroups;
unsigned preserve,effectiveGroup;
KeySym *syms;
if (mods_rtrn!=NULL)
*mods_rtrn = 0;
nKeyGroups= XkbKeyNumGroups(xkb,key);
if ((!XkbKeycodeInRange(xkb,key))||(nKeyGroups==0)) {
if (keysym_rtrn!=NULL)
*keysym_rtrn = NoSymbol;
return False;
}
syms = XkbKeySymsPtr(xkb,key);
/* find the offset of the effective group */
col = 0;
effectiveGroup= XkbGroupForCoreState(mods);
if ( effectiveGroup>=nKeyGroups ) {
unsigned groupInfo= XkbKeyGroupInfo(xkb,key);
switch (XkbOutOfRangeGroupAction(groupInfo)) {
default:
effectiveGroup %= nKeyGroups;
break;
case XkbClampIntoRange:
effectiveGroup = nKeyGroups-1;
break;
case XkbRedirectIntoRange:
effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo);
if (effectiveGroup>=nKeyGroups)
effectiveGroup= 0;
break;
}
}
col= effectiveGroup*XkbKeyGroupsWidth(xkb,key);
type = XkbKeyKeyType(xkb,key,effectiveGroup);
preserve= 0;
if (type->map) { /* find the column (shift level) within the group */
register int i;
register XkbKTMapEntryPtr entry;
for (i=0,entry=type->map;i<type->map_count;i++,entry++) {
if ((entry->active)&&((mods&type->mods.mask)==entry->mods.mask)) {
col+= entry->level;
if (type->preserve)
preserve= type->preserve[i].mask;
break;
}
}
}
if (keysym_rtrn!=NULL)
*keysym_rtrn= syms[col];
if (mods_rtrn) {
*mods_rtrn= type->mods.mask&(~preserve);
/* The Motif VTS doesn't get the help callback called if help
* is bound to Shift+<whatever>, and it appears as though it
* is XkbTranslateKeyCode that is causing the problem. The
* core X version of XTranslateKey always OR's in ShiftMask
* and LockMask for mods_rtrn, so this "fix" keeps this behavior
* and solves the VTS problem.
*/
if ((xkb->dpy)&&(xkb->dpy->xkb_info)&&
(xkb->dpy->xkb_info->xlib_ctrls&XkbLC_AlwaysConsumeShiftAndLock)) {
*mods_rtrn|= (ShiftMask|LockMask);
}
}
return (syms[col]!=NoSymbol);
}