int main(int, char **)
{
Display *display = 0;
int opcode = -1;
int xkbEventBase = -1;
int xkbErrorBase = -1;
int xkblibMajor = XkbMajorVersion;
int xkblibMinor = XkbMinorVersion;
XkbQueryExtension(display, &opcode, &xkbEventBase, &xkbErrorBase, &xkblibMajor, &xkblibMinor);
int keycode = 0;
unsigned int state = 0;
KeySym keySym;
unsigned int consumedModifiers;
XkbLookupKeySym(display, keycode, state, &consumedModifiers, &keySym);
XkbDescPtr xkbDesc = XkbGetMap(display, XkbAllClientInfoMask, XkbUseCoreKbd);
int w = XkbKeyGroupsWidth(xkbDesc, keycode);
keySym = XkbKeySym(xkbDesc, keycode, w-1);
XkbFreeClientMap(xkbDesc, XkbAllClientInfoMask, true);
state = XkbPCF_GrabsUseXKBStateMask;
(void) XkbSetPerClientControls(display, state, &state);
return 0;
}
int
XkbTranslateKey( register Display * dpy,
KeyCode key,
register unsigned int mods,
unsigned int * mods_rtrn,
KeySym * keysym_rtrn)
{
return XkbLookupKeySym(dpy,key,mods,mods_rtrn,keysym_rtrn);
}
static unsigned int
keysym_mod_mask (KeySym keysym, KeyCode keycode)
{
/* we really should use XKB and look directly at the keymap */
/* this is very inelegant */
Display *display = spi_get_display ();
unsigned int mods_rtn = 0;
unsigned int retval = 0;
KeySym sym_rtn;
if (XkbLookupKeySym (display, keycode, 0, &mods_rtn, &sym_rtn) &&
(sym_rtn == keysym)) {
retval = 0;
}
else if (XkbLookupKeySym (display, keycode, ShiftMask, &mods_rtn, &sym_rtn) &&
(sym_rtn == keysym)) {
retval = ShiftMask;
}
else if (XkbLookupKeySym (display, keycode, Mod2Mask, &mods_rtn, &sym_rtn) &&
(sym_rtn == keysym)) {
retval = Mod2Mask;
}
else if (XkbLookupKeySym (display, keycode, Mod3Mask, &mods_rtn, &sym_rtn) &&
(sym_rtn == keysym)) {
retval = Mod3Mask;
}
else if (XkbLookupKeySym (display, keycode,
ShiftMask | Mod2Mask, &mods_rtn, &sym_rtn) &&
(sym_rtn == keysym)) {
retval = (Mod2Mask | ShiftMask);
}
else if (XkbLookupKeySym (display, keycode,
ShiftMask | Mod3Mask, &mods_rtn, &sym_rtn) &&
(sym_rtn == keysym)) {
retval = (Mod3Mask | ShiftMask);
}
else if (XkbLookupKeySym (display, keycode,
ShiftMask | Mod4Mask, &mods_rtn, &sym_rtn) &&
(sym_rtn == keysym)) {
retval = (Mod4Mask | ShiftMask);
}
else
retval = 0xFFFF;
return retval;
}
int main(int argc, char **argv)
{
Display *d;
XEvent ev;
unsigned int mods;
KeySym ks;
char buf[20];
const char *kss;
char *bufptr;
int ret;
d = XOpenDisplay(NULL);
ret = XGrabKeyboard(d, DefaultRootWindow(d), False, GrabModeAsync, GrabModeAsync, CurrentTime);
fprintf(stderr, "XGrabKeyboard returns %d\n", ret);
while (1)
{
assert(!XWindowEvent(d, DefaultRootWindow(d), KeyPressMask, &ev));
XkbLookupKeySym(d, ev.xkey.keycode, ev.xkey.state, &mods, &ks);
/* ignore the modifier keypresses */
switch (ks) /* from keysymdef.h */
{
case XK_Shift_L : /* Left shift */
case XK_Shift_R : /* Right shift */
case XK_Control_L : /* Left control */
case XK_Control_R : /* Right control */
case XK_Caps_Lock : /* Caps lock */
case XK_Shift_Lock: /* Shift lock */
case XK_Meta_L : /* Left meta */
case XK_Meta_R : /* Right meta */
case XK_Alt_L : /* Left alt */
case XK_Alt_R : /* Right alt */
case XK_Super_L : /* Left super */
case XK_Super_R : /* Right super */
case XK_Hyper_L : /* Left hyper */
case XK_Hyper_R : /* Right hyper */
continue;
}
kss = XKeysymToString(ks);
bufptr = buf;
if (ev.xkey.state & ShiftMask) { }
if (ev.xkey.state & ControlMask)
bufptr += sprintf(bufptr, "C-");
if (ev.xkey.state & Mod1Mask)
bufptr += sprintf(bufptr, "M-");
if (ev.xkey.state & Mod2Mask) { }
if (ev.xkey.state & Mod3Mask) { }
if (ev.xkey.state & Mod4Mask)
bufptr += sprintf(bufptr, "S-"); // S = super
bufptr += sprintf(bufptr, kss);
fprintf(stdout, "%s\n", buf);
fflush(stdout);
if (!strcmp(buf, "C-C"))
break;
//printf("%s\n", buf);
/* { */
/* Window cur; */
/* int revert_to_return; */
/* XGetInputFocus(d, &cur, &revert_to_return); */
/* XSendEvent(d, cur, False, KeyPressMask, &ev); */
/* } */
}
XCloseDisplay(d);
}
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);
}