i18nmethod.c

手写识别Chinput源码

        return False;
    /*endif*/
    
    _XUnregisterFilter (dpy,
                        i18n_core->address.im_window,
                        WaitXSelectionRequest,
                        ims);
/*
 *  Now we should delete the atom list in XIM_Servers property of Root Window
 */
/*
    XGetWindowProperty (dpy,
                        root,
                        XIM_Servers,
                        0L,
                        1000000L,
                        False,
                        XA_ATOM,
                        &realtype,
                        &realformat,
                        &length,
                        &bytesafter,
                        (unsigned char **) (&data));
    if (realtype == XA_ATOM && realformat == 32 && length>0) {
        new_data = malloc(sizeof(long) * length);
        memset(new_data, 0, sizeof(long) * length);

        for (i=0, j=0; i<length; i++) {
            if (data[i] != atom) {
		new_data[j] = data[i];
		j ++;
	    }
        }
	XDeleteProperty (dpy,
			 root,
			 XIM_Servers);
	if (j > 0)
            XChangeProperty (dpy,
                             root,
                             XIM_Servers,
                             XA_ATOM,
                             32,
			     PropModePrepend,
                             (unsigned char *)new_data,
                             j);
	free(new_data);
    }
    XFlush(dpy);

    if (data != NULL)
        XFree ((char *) data);
    XFree (i18n_core->address.im_name);
    XFree (i18n_core->address.im_locale);
    XFree (i18n_core->address.im_addr);
    XFree (i18n_core);
*/
    return True;
}

static char *xi18n_setIMValues (XIMS ims, XIMArg *args)
{
    Xi18n i18n_core = ims->protocol;
    char *ret;

    if ((ret = ParseArgs (i18n_core, I18N_SET, args)) != NULL)
        return ret;
    /*endif*/
    return NULL;
}

static char *xi18n_getIMValues (XIMS ims, XIMArg *args)
{
    Xi18n i18n_core = ims->protocol;
    char *ret;

    if ((ret = ParseArgs (i18n_core, I18N_GET, args)) != NULL)
        return ret;
    /*endif*/
    return NULL;
}

static void EventToWireEvent (XEvent *ev, xEvent *event, CARD16 *serial)
{
    *serial = (CARD16) (ev->xany.serial >> 16);
    event->u.u.sequenceNumber =
        (CARD16) (ev->xany.serial & (unsigned long) 0xFFFF);

    switch (ev->type)
    {
    case KeyPress:
    case KeyRelease:
        {
            XKeyEvent *kev = (XKeyEvent *) ev;

            event->u.u.type = ev->type;
            event->u.keyButtonPointer.root = kev->root;
            event->u.keyButtonPointer.state = kev->state;
            event->u.keyButtonPointer.time = kev->time;
            event->u.keyButtonPointer.event = kev->window;
            event->u.keyButtonPointer.child = kev->subwindow;
            event->u.keyButtonPointer.eventX = kev->x;
            event->u.keyButtonPointer.eventY = kev->y;
            event->u.keyButtonPointer.rootX = kev->x_root;
            event->u.keyButtonPointer.rootY = kev->y_root;
            event->u.keyButtonPointer.sameScreen = kev->same_screen;
            event->u.u.detail = kev->keycode;
        }
    }
    /*endswitch*/
}

static Status xi18n_forwardEvent (XIMS ims, IMForwardEventStruct *call_data)
{
    Xi18n i18n_core = ims->protocol;
    FrameMgr fm;
    extern XimFrameRec forward_event_fr[];
    register int total_size;
    unsigned char *reply = NULL;
    unsigned char *replyp;
    CARD16 serial;
    int event_size;
    Xi18nClient *client;

    client = (Xi18nClient *) _Xi18nFindClient (i18n_core, call_data->connect_id);

    /* create FrameMgr */
    fm = FrameMgrInit (forward_event_fr,
                       NULL,
                       _Xi18nNeedSwap (i18n_core, call_data->connect_id));

    total_size = FrameMgrGetTotalSize (fm);
    event_size = sizeof (xEvent);
    reply = (unsigned char *) malloc (total_size + event_size);
    if (!reply)
    {
        _Xi18nSendMessage (ims,
                           call_data->connect_id,
                           XIM_ERROR,
                           0,
                           0,
                           0);
        return False;
    }
    /*endif*/
    memset (reply, 0, total_size + event_size);
    FrameMgrSetBuffer (fm, reply);
    replyp = reply;

    call_data->sync_bit = 1; 	/* always sync */
    client->sync = True;

    FrameMgrPutToken (fm, call_data->connect_id);
    FrameMgrPutToken (fm, call_data->icid);
    FrameMgrPutToken (fm, call_data->sync_bit);

    replyp += total_size;
    EventToWireEvent (&(call_data->event), (xEvent *) replyp, &serial);

    FrameMgrPutToken (fm, serial);

    _Xi18nSendMessage (ims,
                       call_data->connect_id,
                       XIM_FORWARD_EVENT,
                       0,
                       reply,
                       total_size + event_size);

    XFree (reply);
    FrameMgrFree (fm);

    return True;
}

static Status xi18n_commit (XIMS ims, IMCommitStruct *call_data)
{
    Xi18n i18n_core = ims->protocol;
    FrameMgr fm;
    extern XimFrameRec commit_chars_fr[];
    extern XimFrameRec commit_both_fr[];
    register int total_size;
    unsigned char *reply = NULL;
    CARD16 str_length;

    call_data->flag |= XimSYNCHRONUS;  /* always sync */

    if (!(call_data->flag & XimLookupKeySym)
        &&
        (call_data->flag & XimLookupChars))
    {
        fm = FrameMgrInit (commit_chars_fr,
                           NULL,
                           _Xi18nNeedSwap (i18n_core, call_data->connect_id));

        /* set length of STRING8 */
        str_length = strlen (call_data->commit_string);
        FrameMgrSetSize (fm, str_length);
        total_size = FrameMgrGetTotalSize (fm);
        reply = (unsigned char *) malloc (total_size);
        if (!reply)
        {
            _Xi18nSendMessage (ims,
                               call_data->connect_id,
                               XIM_ERROR,
                               0,
                               0,
                               0);
            return False;
        }
        /*endif*/
        memset (reply, 0, total_size);
        FrameMgrSetBuffer (fm, reply);

        str_length = FrameMgrGetSize (fm);
        FrameMgrPutToken (fm, call_data->connect_id);
        FrameMgrPutToken (fm, call_data->icid);
        FrameMgrPutToken (fm, call_data->flag);
        FrameMgrPutToken (fm, str_length);
        FrameMgrPutToken (fm, call_data->commit_string);
    }
    else
    {
        fm = FrameMgrInit (commit_both_fr,
                           NULL,
                           _Xi18nNeedSwap (i18n_core, call_data->connect_id));
        /* set length of STRING8 */
        str_length = strlen (call_data->commit_string);
        if (str_length > 0)
            FrameMgrSetSize (fm, str_length);
        /*endif*/
        total_size = FrameMgrGetTotalSize (fm);
        reply = (unsigned char *) malloc (total_size);
        if (!reply)
        {
            _Xi18nSendMessage (ims,
                               call_data->connect_id,
                               XIM_ERROR,
                               0,
                               0,
                               0);
            return False;
        }
        /*endif*/
        FrameMgrSetBuffer (fm, reply);
        FrameMgrPutToken (fm, call_data->connect_id);
        FrameMgrPutToken (fm, call_data->icid);
        FrameMgrPutToken (fm, call_data->flag);
        FrameMgrPutToken (fm, call_data->keysym);
        if (str_length > 0)
        {
            str_length = FrameMgrGetSize (fm);
            FrameMgrPutToken (fm, str_length);
            FrameMgrPutToken (fm, call_data->commit_string);
        }
        /*endif*/
    }
    /*endif*/
    _Xi18nSendMessage (ims,
                       call_data->connect_id,
                       XIM_COMMIT,
                       0,
                       reply,
                       total_size);
    FrameMgrFree (fm);
    XFree (reply);

    return True;
}

static int xi18n_callCallback (XIMS ims, IMProtocol *call_data)
{
    switch (call_data->major_code)
    {
    case XIM_GEOMETRY:
        return _Xi18nGeometryCallback (ims, call_data);

    case XIM_PREEDIT_START:
        return _Xi18nPreeditStartCallback (ims, call_data);

    case XIM_PREEDIT_DRAW:
        return _Xi18nPreeditDrawCallback (ims, call_data);

    case XIM_PREEDIT_CARET:
        return _Xi18nPreeditCaretCallback (ims, call_data);

    case XIM_PREEDIT_DONE:
        return _Xi18nPreeditDoneCallback (ims, call_data);

    case XIM_STATUS_START:
        return _Xi18nStatusStartCallback (ims, call_data);

    case XIM_STATUS_DRAW:
        return _Xi18nStatusDrawCallback (ims, call_data);

    case XIM_STATUS_DONE:
        return _Xi18nStatusDoneCallback (ims, call_data);

    case XIM_STR_CONVERSION:
        return _Xi18nStringConversionCallback (ims, call_data);
    }
    /*endswitch*/
    return False;
}

/* preeditStart and preeditEnd are used only for Dynamic Event Flow. */
static int xi18n_preeditStart (XIMS ims, IMProtocol *call_data)
{
    Xi18n i18n_core = ims->protocol;
    IMPreeditStateStruct *preedit_state =
        (IMPreeditStateStruct *) &call_data->preedit_state;
    long mask;
    int on_key_num = i18n_core->address.on_keys.count_keys;
    int off_key_num = i18n_core->address.off_keys.count_keys;

    if (on_key_num == 0  &&  off_key_num == 0)
        return False;
    /*endif*/
    if (i18n_core->address.imvalue_mask & I18N_FILTERMASK)
        mask = i18n_core->address.filterevent_mask;
    else
        mask = DEFAULT_FILTER_MASK;
    /*endif*/
    _Xi18nSetEventMask (ims,
                        preedit_state->connect_id,
                        preedit_state->connect_id,
                        preedit_state->icid,
                        mask,
                        ~mask);
    return True;
}

static int xi18n_preeditEnd (XIMS ims, IMProtocol *call_data)
{
    Xi18n i18n_core = ims->protocol;
    int on_key_num = i18n_core->address.on_keys.count_keys;
    int off_key_num = i18n_core->address.off_keys.count_keys;
    IMPreeditStateStruct *preedit_state;

    preedit_state = (IMPreeditStateStruct *) &call_data->preedit_state;

    if (on_key_num == 0  &&  off_key_num == 0)
        return False;
    /*endif*/
    
    _Xi18nSetEventMask (ims,
                        preedit_state->connect_id,
                        preedit_state->connect_id,
                        preedit_state->icid,
                        0,
                        0);
    return True;
}