コード例 #1
0
ファイル: XKBBind.c プロジェクト: sheldonrobinson/VcXsrv
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);
}
コード例 #2
0
ファイル: KeyBind.c プロジェクト: MisPresident/libX11
/*ARGSUSED*/
int
XLookupString (
    register XKeyEvent *event,
    char *buffer,	/* buffer */
    int nbytes,	/* space in buffer for characters */
    KeySym *keysym,
    XComposeStatus *status)	/* not implemented */
{
    unsigned int modifiers;
    KeySym symbol;

    if (! _XTranslateKey(event->display, event->keycode, event->state,
		  &modifiers, &symbol))
	return 0;

#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(symbol,event->keycode,status) ) {
	    XimCompRtrn rtrn;
	    switch (XimCompProcessSym(status,symbol,&rtrn)) {
		case XIM_COMP_IGNORE:
		    break;
		case XIM_COMP_IN_PROGRESS:
		    if ( keysym!=NULL )
			*keysym = NoSymbol;
		    return 0;
		case XIM_COMP_FAIL:
		{
		    int n = 0, len= 0;
		    for (n=len=0;rtrn.sym[n]!=XK_VoidSymbol;n++) {
			if ( nbytes-len > 0 ) {
			    len+= _XTranslateKeySym(event->display,rtrn.sym[n],
							event->state,
							buffer+len,nbytes-len);
			}
		    }
		    if ( keysym!=NULL ) {
			if ( n==1 )	*keysym = rtrn.sym[0];
			else		*keysym = NoSymbol;
		    }
		    return len;
		}
		case XIM_COMP_SUCCEED:
		{
		    int len,n = 0;

		    symbol = rtrn.matchSym;
		    if ( keysym!=NULL )	*keysym = symbol;
		    if ( rtrn.str[0]!='\0' ) {
			strncpy(buffer,rtrn.str,nbytes-1);
			buffer[nbytes-1]= '\0';
			len = strlen(buffer);
		    }
		    else {
			len = _XTranslateKeySym(event->display,symbol,
							event->state,
							buffer,nbytes);
		    }
		    for (n=0;rtrn.sym[n]!=XK_VoidSymbol;n++) {
			if ( nbytes-len > 0 ) {
			    len+= _XTranslateKeySym(event->display,rtrn.sym[n],
							event->state,
							buffer+len,nbytes-len);
			}
		    }
		    return len;
		}
	    }
	}
    }
#endif

    if (keysym)
	*keysym = symbol;
    /* arguable whether to use (event->state & ~modifiers) here */
    return _XTranslateKeySym(event->display, symbol, event->state,
			     buffer, nbytes);
}