i18nmethod.c

手写识别Chinput源码

/******************************************************************
 
         Copyright 1994, 1995 by Sun Microsystems, Inc.
         Copyright 1993, 1994 by Hewlett-Packard Company
 
Permission to use, copy, modify, distribute, and sell this software
and its documentation for any purpose is hereby granted without fee,
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 Sun Microsystems, Inc.
and Hewlett-Packard not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior permission.
Sun Microsystems, Inc. and Hewlett-Packard make no representations about
the suitability of this software for any purpose.  It is provided "as is"
without express or implied warranty.
 
SUN MICROSYSTEMS INC. AND HEWLETT-PACKARD COMPANY DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
SUN MICROSYSTEMS, INC. AND HEWLETT-PACKARD COMPANY 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.
 
  Author: Hidetoshi Tajima([e-mail]) Sun Microsystems, Inc.

    This version tidied and debugged by Steve Underwood May 1999
 
******************************************************************/

#include <X11/Xlib.h>
#include <X11/Xatom.h>
#ifndef NEED_EVENTS
#define NEED_EVENTS
#endif
#include <X11/Xproto.h>
#undef NEED_EVENTS
#include "FrameMgr.h"
#include "IMdkit.h"
#include "Xi18n.h"

extern Xi18nClient *_Xi18nFindClient (Xi18n, CARD16);

static void *xi18n_setup (Display *, XIMArg *);
static Status xi18n_openIM (XIMS);
static Status xi18n_closeIM (XIMS);
static char *xi18n_setIMValues (XIMS, XIMArg *);
static char *xi18n_getIMValues (XIMS, XIMArg *);
static Status xi18n_forwardEvent (XIMS, IMForwardEventStruct *);
static Status xi18n_commit (XIMS, IMCommitStruct *);
static Status xi18n_callCallback (XIMS, IMProtocol *);
static Status xi18n_preeditStart (XIMS, IMProtocol *);
static Status xi18n_preeditEnd (XIMS, IMProtocol *);

#ifndef XIM_SERVERS
#define XIM_SERVERS "XIM_SERVERS"
#endif
static Atom XIM_Servers = None;


IMMethodsRec Xi18n_im_methods =
{
    xi18n_setup,
    xi18n_openIM,
    xi18n_closeIM,
    xi18n_setIMValues,
    xi18n_getIMValues,
    xi18n_forwardEvent,
    xi18n_commit,
    xi18n_callCallback,
    xi18n_preeditStart,
    xi18n_preeditEnd,
};

extern Bool _Xi18nCheckXAddress (Xi18n, TransportSW *, char *);
extern Bool _Xi18nCheckTransAddress (Xi18n, TransportSW *, char *);

TransportSW _TransR[] =
{
    {"X",               1, _Xi18nCheckXAddress},
    {"tcp",             3, _Xi18nCheckTransAddress},
    {"local",           5, _Xi18nCheckTransAddress},
#ifdef DNETCONN
    {"decnet",          6, _Xi18nCheckTransAddress},
#endif
    {(char *) NULL,     0, (Bool (*) ()) NULL}
};

static Bool GetInputStyles (Xi18n i18n_core, XIMStyles **p_style)
{
    Xi18nAddressRec *address = (Xi18nAddressRec *) &i18n_core->address;
    XIMStyles *p;
    int	i;

    p = &address->input_styles;
    if ((*p_style = (XIMStyles *) malloc (sizeof (XIMStyles)
                                          + p->count_styles*sizeof (XIMStyle)))
        == NULL)
    {
        return False;
    }
    /*endif*/
    (*p_style)->count_styles = p->count_styles;
    (*p_style)->supported_styles = (XIMStyle *) ((XPointer) *p_style + sizeof (XIMStyles));
    for (i = 0;  i < (int) p->count_styles;  i++)
        (*p_style)->supported_styles[i] = p->supported_styles[i];
    /*endfor*/
    return True;
}

static Bool GetOnOffKeys (Xi18n i18n_core, long mask, XIMTriggerKeys **p_key)
{
    Xi18nAddressRec *address = (Xi18nAddressRec *) &i18n_core->address;
    XIMTriggerKeys *p;
    int	i;

    if (mask & I18N_ON_KEYS)
        p = &address->on_keys;
    else
        p = &address->off_keys;
    /*endif*/
    if ((*p_key = (XIMTriggerKeys *) malloc (sizeof(XIMTriggerKeys)
                                             + p->count_keys*sizeof(XIMTriggerKey)))
        == NULL)
    {
        return False;
    }
    /*endif*/
    (*p_key)->count_keys = p->count_keys;
    (*p_key)->keylist =
        (XIMTriggerKey *) ((XPointer) *p_key + sizeof(XIMTriggerKeys));
    for (i = 0;  i < (int) p->count_keys;  i++)
    {
        (*p_key)->keylist[i].keysym = p->keylist[i].keysym;
        (*p_key)->keylist[i].modifier = p->keylist[i].modifier;
        (*p_key)->keylist[i].modifier_mask = p->keylist[i].modifier_mask;
    }
    /*endfor*/
    return True;
}

static Bool GetEncodings(Xi18n i18n_core, XIMEncodings **p_encoding)
{
    Xi18nAddressRec *address = (Xi18nAddressRec *) &i18n_core->address;
    XIMEncodings *p;
    int	i;

    p = &address->encoding_list;

    if ((*p_encoding = (XIMEncodings *) malloc (sizeof (XIMEncodings)
                                              + p->count_encodings*sizeof(XIMEncoding))) == NULL)
    {
        return False;
    }
    /*endif*/
    (*p_encoding)->count_encodings = p->count_encodings;
    (*p_encoding)->supported_encodings =
        (XIMEncoding *) ((XPointer)*p_encoding + sizeof (XIMEncodings));
    for (i = 0;  i < (int) p->count_encodings;  i++)
    {
        (*p_encoding)->supported_encodings[i]
            = (char *) malloc (strlen (p->supported_encodings[i]) + 1);
        strcpy ((*p_encoding)->supported_encodings[i],
                p->supported_encodings[i]);
    }
    /*endif*/
    return True;
}

static char *ParseArgs (Xi18n i18n_core, int mode, XIMArg *args)
{
    Xi18nAddressRec *address = (Xi18nAddressRec *) &i18n_core->address;
    XIMArg *p;

    if (mode == I18N_OPEN  ||  mode == I18N_SET)
    {
        for (p = args;  p->name != NULL;  p++)
        {
            if (strcmp (p->name, IMLocale) == 0)
            {
                if (address->imvalue_mask & I18N_IM_LOCALE)
                    return IMLocale;
                /*endif*/
                address->im_locale = (char *) malloc (strlen (p->value) + 1);
                if (!address->im_locale)
                    return IMLocale;
                /*endif*/
                strcpy (address->im_locale, p->value);
                address->imvalue_mask |= I18N_IM_LOCALE;
            }
            else if (strcmp (p->name, IMServerTransport) == 0)
            {
                if (address->imvalue_mask & I18N_IM_ADDRESS)
                    return IMServerTransport;
                /*endif*/
                address->im_addr = (char *) malloc (strlen (p->value) + 1);
                if (!address->im_addr)
                    return IMServerTransport;
                /*endif*/
                strcpy(address->im_addr, p->value);
                address->imvalue_mask |= I18N_IM_ADDRESS;
            }
            else if (strcmp (p->name, IMServerName) == 0)
            {
                if (address->imvalue_mask & I18N_IM_NAME)
                    return IMServerName;
                /*endif*/
                address->im_name = (char *) malloc (strlen (p->value) + 1);
                if (!address->im_name)
                    return IMServerName;
                /*endif*/
                strcpy (address->im_name, p->value);
                address->imvalue_mask |= I18N_IM_NAME;
            }
            else if (strcmp (p->name, IMServerWindow) == 0)
            {
                if (address->imvalue_mask & I18N_IMSERVER_WIN)
                    return IMServerWindow;
                /*endif*/
                address->im_window = (Window) p->value;
                address->imvalue_mask |= I18N_IMSERVER_WIN;
            }
            else if (strcmp (p->name, IMInputStyles) == 0)
            {
                if (address->imvalue_mask & I18N_INPUT_STYLES)
                    return IMInputStyles;
                /*endif*/
                address->input_styles.count_styles =
                    ((XIMStyles*)p->value)->count_styles;
                address->input_styles.supported_styles =
                    (XIMStyle *) malloc (sizeof (XIMStyle)*address->input_styles.count_styles);
                if (address->input_styles.supported_styles == (XIMStyle *) NULL)
                    return IMInputStyles;
                /*endif*/
                memmove (address->input_styles.supported_styles,
                         ((XIMStyles *) p->value)->supported_styles,
                         sizeof (XIMStyle)*address->input_styles.count_styles);
                address->imvalue_mask |= I18N_INPUT_STYLES;
            }
            else if (strcmp (p->name, IMProtocolHandler) == 0)
            {
                address->improto = (IMProtoHandler) p->value;
                address->imvalue_mask |= I18N_IM_HANDLER;
            }
            else if (strcmp (p->name, IMOnKeysList) == 0)
            {
                if (address->imvalue_mask & I18N_ON_KEYS)
                    return IMOnKeysList;
                /*endif*/
                address->on_keys.count_keys =
                    ((XIMTriggerKeys *) p->value)->count_keys;
                address->on_keys.keylist =
                    (XIMTriggerKey *) malloc (sizeof (XIMTriggerKey)*address->on_keys.count_keys);
                if (address->on_keys.keylist == (XIMTriggerKey *) NULL)
                    return IMOnKeysList;
                /*endif*/
                memmove (address->on_keys.keylist,
                         ((XIMTriggerKeys *) p->value)->keylist,
                         sizeof (XIMTriggerKey)*address->on_keys.count_keys);
                address->imvalue_mask |= I18N_ON_KEYS;
            }
            else if (strcmp (p->name, IMOffKeysList) == 0)
            {
                if (address->imvalue_mask & I18N_OFF_KEYS)
                    return IMOffKeysList;
                /*endif*/
                address->off_keys.count_keys =
                    ((XIMTriggerKeys *) p->value)->count_keys;
                address->off_keys.keylist =
                    (XIMTriggerKey *) malloc (sizeof (XIMTriggerKey)*address->off_keys.count_keys);
                if (address->off_keys.keylist == (XIMTriggerKey *) NULL)
                    return IMOffKeysList;
                /*endif*/
                memmove (address->off_keys.keylist,
                         ((XIMTriggerKeys *) p->value)->keylist,
                         sizeof (XIMTriggerKey)*address->off_keys.count_keys);
                address->imvalue_mask |= I18N_OFF_KEYS;
            }
            else if (strcmp (p->name, IMEncodingList) == 0)
            {
                if (address->imvalue_mask & I18N_ENCODINGS)
                    return IMEncodingList;
                /*endif*/
                address->encoding_list.count_encodings =
                    ((XIMEncodings *) p->value)->count_encodings;
                address->encoding_list.supported_encodings =
                    (XIMEncoding *) malloc (sizeof (XIMEncoding)*address->encoding_list.count_encodings);
                if (address->encoding_list.supported_encodings
                    == (XIMEncoding *) NULL)
                {
                    return IMEncodingList;
                }
                /*endif*/
                memmove (address->encoding_list.supported_encodings,
                         ((XIMEncodings *) p->value)->supported_encodings,
                         sizeof (XIMEncoding)*address->encoding_list.count_encodings);
                address->imvalue_mask |= I18N_ENCODINGS;
            }
            else if (strcmp (p->name, IMFilterEventMask) == 0)
            {
                if (address->imvalue_mask & I18N_FILTERMASK)
                    return IMFilterEventMask;
                /*endif*/
                address->filterevent_mask = (long) p->value;
                address->imvalue_mask |= I18N_FILTERMASK;
            }
            /*endif*/
        }
        /*endfor*/
        if (mode == I18N_OPEN)
        {
            /* check mandatory IM values */
            if (!(address->imvalue_mask & I18N_IM_LOCALE))
            {
                /* locales must be set in IMOpenIM */
                return IMLocale;
            }
            /*endif*/
            if (!(address->imvalue_mask & I18N_IM_ADDRESS))
            {
                /* address must be set in IMOpenIM */
                return IMServerTransport;
            }
            /*endif*/
        }
        /*endif*/
    }
    else if (mode == I18N_GET)
    {
        for (p = args;  p->name != NULL;  p++)
        {
            if (strcmp (p->name, IMLocale) == 0)
            {
                p->value = (char *) malloc (strlen (address->im_locale) + 1);
                if (!p->value)
                    return IMLocale;
                /*endif*/
                strcpy (p->value, address->im_locale);
            }
            else if (strcmp (p->name, IMServerTransport) == 0)
            {
                p->value = (char *) malloc (strlen (address->im_addr) + 1);
                if (!p->value)
                    return IMServerTransport;
                /*endif*/
                strcpy (p->value, address->im_addr);
            }
            else if (strcmp (p->name, IMServerName) == 0)
            {
                if (address->imvalue_mask & I18N_IM_NAME)
                {
                    p->value = (char *) malloc (strlen (address->im_name) + 1);
                    if (!p->value)