diff options
Diffstat (limited to 'libX11/modules/im/ximcp/imCallbk.c')
| -rw-r--r-- | libX11/modules/im/ximcp/imCallbk.c | 1508 |
1 files changed, 754 insertions, 754 deletions
diff --git a/libX11/modules/im/ximcp/imCallbk.c b/libX11/modules/im/ximcp/imCallbk.c index 6275bbf00..761021354 100644 --- a/libX11/modules/im/ximcp/imCallbk.c +++ b/libX11/modules/im/ximcp/imCallbk.c @@ -1,754 +1,754 @@ -/*********************************************************************** -Copyright 1993 by Digital Equipment Corporation, Maynard, Massachusetts, -Copyright 1994 by FUJITSU LIMITED -Copyright 1994 by Sony Corporation - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -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 names of Digital, FUJITSU -LIMITED and Sony Corporation not be used in advertising or publicity -pertaining to distribution of the software without specific, written -prior permission. - -DIGITAL, FUJITSU LIMITED AND SONY CORPORATION DISCLAIMS ALL WARRANTIES -WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF -MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DIGITAL, FUJITSU LIMITED -AND SONY CORPORATION 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: Hiroyuki Miyamoto Digital Equipment Corporation - miyamoto@jrd.dec.com - Modifier: Takashi Fujiwara FUJITSU LIMITED - fujiwara@a80.tech.yk.fujitsu.co.jp - Makoto Wakamatsu Sony Corporation - makoto@sm.sony.co.jp - -***********************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" -#include "Xlcint.h" -#include "Ximint.h" -#include "XlcPubI.h" -#ifdef X_LOCALE -#define mblen(a,b) _Xmblen(a,b) -extern int _Xmblen (); -#endif - -#define sz_CARD8 1 -#define sz_INT8 1 -#define sz_CARD16 2 -#define sz_INT16 2 -#define sz_BITMASK16 sz_CARD16 -#define sz_CARD32 4 -#define sz_INT32 4 -#define sz_BITMASK32 sz_CARD32 -#define sz_XIMID sizeof(XIMID) -#define sz_XICID sizeof(XICID) -#define sz_XIMATTRID sizeof(XIMATTRID) -#define sz_XICATTRID sizeof(XICATTRID) -#define sz_ximPacketHeader (XIM_HEADER_SIZE + sz_XIMID + sz_XICID) -#define sz_ximGeometry 0 -#define sz_ximStrConversion (sz_CARD32 + sz_CARD32 + sz_CARD32 + sz_CARD32) -#define sz_ximPreeditStart 0 -#define sz_ximPreeditStartReply sz_INT32 -#define sz_ximPreeditCaret (sz_INT32 + sz_CARD32 + sz_CARD32) -#define sz_ximPreeditCaretReply sz_CARD32 -#define sz_ximPreeditDone 0 -#define sz_ximStatusStart 0 -#define sz_ximStatusDone 0 - -typedef enum { - XimCbSuccess, - XimCbNoCallback, - XimCbError, - XimCbQueued, - XimCbBadContextID, - XimCbBadOpcode -} XimCbStatus; - -typedef XimCbStatus (*XimCb)( - Xim, Xic, char*, int - ); - -#define PACKET_TO_MAJOROPCODE(p) (*(CARD8*)((CARD8*)(p))) -#define PACKET_TO_MINOROPCODE(p) (*(CARD8*)((CARD8*)(p) + sz_CARD8)) -#define PACKET_TO_LENGTH(p) (*(CARD16*)((CARD8*)(p) + sz_CARD8 + sz_CARD8)) -#define PACKET_TO_IMID(p) (*(XIMID*)((CARD8*)(p) + XIM_HEADER_SIZE)) -#define PACKET_TO_ICID(p) (*(XICID*)((CARD8*)(p) + XIM_HEADER_SIZE + sz_XIMID)) - -#define _XimWriteData(im,len,data) \ - (im->private.proto.write((im),(len),(XPointer)(data))) -#define _XimReadData(im,buf,buf_len,len) \ - (im->private.proto.read((im),(XPointer)(buf),(buf_len),&(len))) -#define _XimFlushData(im) im->private.proto.flush((im)) - -Private XimCbStatus _XimGeometryCallback(Xim, Xic, char*, int); -Private XimCbStatus _XimStrConversionCallback(Xim, Xic, char*, int); -Private XimCbStatus _XimPreeditStartCallback(Xim, Xic, char*, int); -Private XimCbStatus _XimPreeditDoneCallback(Xim, Xic, char*, int); -Private void _free_memory_for_text(XIMText*); -Private XimCbStatus _XimPreeditDrawCallback(Xim, Xic, char*, int); -Private XimCbStatus _XimPreeditCaretCallback(Xim, Xic, char*, int); -Private XimCbStatus _XimStatusStartCallback(Xim, Xic, char*, int); -Private XimCbStatus _XimStatusDoneCallback(Xim, Xic, char*, int); -Private XimCbStatus _XimStatusDrawCallback(Xim, Xic, char*, int); -Private XimCbStatus _XimPreeditStateNotifyCallback(Xim, Xic, char *, int); - -#if defined(__STDC__) && ((defined(sun) && defined(SVR4)) || defined(WIN32)) -#define RConst /**/ -#else -#define RConst const -#endif - -/* NOTE: - * the table below depends on the protocol number - * defined in the IM Protocol document. - */ -static RConst XimCb callback_table[] = { - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #000-009 */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #010-019 */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #020-029 */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #030-039 */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #040-049 */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #050-059 */ - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #060-069 */ - _XimGeometryCallback, /* #070 */ - _XimStrConversionCallback, /* #071 */ - NULL, /* #072 */ - _XimPreeditStartCallback, /* #073 */ - NULL, /* #074 */ - _XimPreeditDrawCallback, /* #075 */ - _XimPreeditCaretCallback, /* #076 */ - NULL, /* #077 */ - _XimPreeditDoneCallback, /* #078 */ - _XimStatusStartCallback, /* #079 */ - _XimStatusDrawCallback, /* #080 */ - _XimStatusDoneCallback, /* #081 */ - _XimPreeditStateNotifyCallback /* #082 */ - }; - - -Private Bool -_XimIsReadyForProcess(Xic ic) -{ - return(!ic->private.proto.waitCallback); /* check HM */ -} - -Private void -_XimProcessPendingCallbacks(Xic ic) -{ - XimPendingCallback pcbq; - - while (((pcbq = ic->private.proto.pend_cb_que) != (XimPendingCallback)NULL) - && _XimIsReadyForProcess(ic)) { - (void) (*callback_table[pcbq->major_opcode])(pcbq->im, - pcbq->ic, - pcbq->proto, - pcbq->proto_len); - ic->private.proto.pend_cb_que = pcbq->next; - Xfree(pcbq->proto); /* free memory of XimPendingCallback */ - Xfree(pcbq); - } -} - -Private void -_XimPutCbIntoQueue(Xic ic, XimPendingCallback call_data) -{ - XimPendingCallback pcbq = ic->private.proto.pend_cb_que; - - /* Queuing is FIFO - */ - while (pcbq != (XimPendingCallback)NULL) { - if (pcbq->next == (XimPendingCallback)NULL) { - break; - } - pcbq = pcbq->next; - } - if (pcbq == (XimPendingCallback)NULL) { - ic->private.proto.pend_cb_que = call_data; - } - else { - pcbq->next = call_data; - } -} - -Public Bool -_XimCbDispatch(Xim xim, - INT16 len, - XPointer data, - XPointer call_data) -{ - /* `data' points to the beginning of the packet defined in IM Protocol doc. - */ - int major_opcode = PACKET_TO_MAJOROPCODE(data); - XIMID imid = PACKET_TO_IMID(data); - XICID icid = PACKET_TO_ICID(data); - Xim im = (Xim)call_data; /* check HM */ - Xic ic = _XimICOfXICID(im, icid); - char* proto; - int proto_len; - - /* check validity of im/ic - */ - if ((imid != im->private.proto.imid) || !ic) { - return False; /* status = XimCbBadContextID; */ - } - - /* process pending callbacks - */ - _XimProcessPendingCallbacks(ic); - - /* check if the protocol should be processed here - */ - if (major_opcode > 82) { - return False; /* status = XimCbBadOpcode; */ - } - if (!callback_table[major_opcode]) { - return False; /* status = XimCbBadOpcode; */ - } - - /* move the pointer ahead by the IM Protocol packet header size - */ - proto = (char*)data + sz_ximPacketHeader; - proto_len = (int)len - sz_ximPacketHeader; - - /* check if it can be processed right away - * and if no, queue the protocol, otherwise invoke a callback - */ - if (!_XimIsReadyForProcess(ic)) { - - /* queue the protocol - */ - XimPendingCallback pcb; - char *proto_buf = (proto_len > 0) ? (char*)Xmalloc(proto_len) : NULL; - - pcb = (XimPendingCallback)Xmalloc(sizeof(XimPendingCallbackRec)); - if (pcb && (proto_len <= 0 || proto_buf)) { - if (proto_len > 0) - memcpy(proto_buf, proto, proto_len); - - pcb->major_opcode = major_opcode; - pcb->im = im; - pcb->ic = ic; - pcb->proto = proto_buf; - pcb->proto_len = proto_len; - pcb->next = (XimPendingCallback)NULL; /* queue is FIFO */ - _XimPutCbIntoQueue(ic, pcb); - /* status = XimCbQueued; */ - } else { - /* status = XimCbError; */ - Xfree(pcb); - Xfree(proto_buf); - } - } - else { - /* invoke each callback according to the major opcode. - * `proto' points to the next address of IM-ID and IC-ID. - * `proto_len' specifies the packet length. - */ - (void) (*callback_table[major_opcode])(im, ic, proto, proto_len); - } - return True; -} - -Private XimCbStatus -_XimGeometryCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.geometry_callback; - - /* invoke the callack - */ - if (cb && cb->callback) { - (*cb->callback)((XIC)ic, cb->client_data, (XPointer)NULL); - } - else { - - /* no callback registered - */ - return XimCbNoCallback; - } - - return XimCbSuccess; -} - -Private XimCbStatus -_XimStrConversionCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.string_conversion_callback; /* check HM */ - XIMStringConversionCallbackStruct cbrec; - - /* invoke the callback - */ - if (cb && cb->callback) { - int p = XIM_HEADER_SIZE; - cbrec.position = (XIMStringConversionPosition) - *(CARD32*)&proto[p]; p += sz_CARD32; - cbrec.direction = (XIMCaretDirection) - *(CARD32*)&proto[p]; p += sz_CARD32; - cbrec.operation = (XIMStringConversionOperation) - *(CARD32*)&proto[p]; p += sz_CARD32; - cbrec.factor = (unsigned short) - *(CARD32*)&proto[p]; - - (*cb->callback)((XIC)ic, cb->client_data, (XPointer)&cbrec); - } - else { - - /* no callback registered - */ - _XimError(im, ic, - (CARD16)XIM_BadSomething, - (INT16)len, - (CARD16)XIM_STR_CONVERSION, - (char*)proto); /* send XIM_ERROR */ - return XimCbNoCallback; - } - - /* send a reply - */ - { - CARD8 *buf; - INT16 buf_len; - int p, length_in_bytes, i; - - /* Assumption: - * `cbrec.text->length' means the string length in characters - */ - { - length_in_bytes = (cbrec.text->encoding_is_wchar)? - sizeof(wchar_t) * cbrec.text->length: /* wchar */ - strlen(cbrec.text->string.mbs); /* mb */ - buf_len = XIM_HEADER_SIZE + - sz_CARD16 + - 2 + length_in_bytes + - XIM_PAD(2 + length_in_bytes) + - 2 + 2 + sz_CARD32 * cbrec.text->length; - buf = (CARD8*)Xmalloc(buf_len); - } - _XimSetHeader((XPointer)buf, XIM_STR_CONVERSION_REPLY, 0, &buf_len); - buf_len -= XIM_HEADER_SIZE; /* added by _XimSetHeader (HACK) */ - p = XIM_HEADER_SIZE; - *(CARD16*)&buf[p] = (CARD16)im->private.proto.imid; p += sz_CARD16; - *(CARD16*)&buf[p] = (CARD16)ic->private.proto.icid; p += sz_CARD16; - *(CARD16*)&buf[p] = (CARD16)cbrec.text->length; p += sz_CARD16; - memcpy(&buf[p],&cbrec.text->string.mbs,length_in_bytes); - p += length_in_bytes; - *(CARD16*)&buf[p] = (CARD16)(sz_CARD32*cbrec.text->length); - p += XIM_PAD(2); - for (i = 0; i < (int)cbrec.text->length; i++) { - *(CARD32*)&buf[p] = (CARD32)cbrec.text->feedback[i]; - p += sz_CARD32; - } - - if (!(_XimWriteData(im, buf_len, buf))) { - return XimCbError; - } - _XimFlushData(im); - - Xfree(buf); - } - - return XimCbSuccess; -} - -Private XimCbStatus -_XimPreeditStartCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.preedit_attr.start_callback; - int ret; - - /* invoke the callback - */ - if (cb && cb->callback){ - ret = (*(cb->callback))((XIC)ic, cb->client_data, (XPointer)NULL); - } - else { - - /* no callback registered - */ - _XimError(im, ic, - (CARD16)XIM_BadSomething, - (INT16)len, - (CARD16)XIM_PREEDIT_START, - (char*)proto); /* send XIM_ERROR */ - return XimCbNoCallback; - } - - /* send a reply - */ - { - CARD32 buf32[(sz_ximPacketHeader + sz_ximPreeditStartReply) / 4]; - CARD8 *buf = (CARD8 *)buf32; - INT16 buf_len = sz_XIMID + sz_XICID + sz_ximPreeditStartReply; - int p; - - _XimSetHeader((XPointer)buf, XIM_PREEDIT_START_REPLY, 0, &buf_len); - p = XIM_HEADER_SIZE; - *(CARD16*)&buf[p] = (CARD16)im->private.proto.imid; p += sz_CARD16; - *(CARD16*)&buf[p] = (CARD16)ic->private.proto.icid; p += sz_CARD16; - *(INT32*)&buf[p] = (INT32)ret; - - if (!(_XimWriteData(im, buf_len, buf))) { - return XimCbError; - } - _XimFlushData(im); - } - - return XimCbSuccess; -} - -Private XimCbStatus -_XimPreeditDoneCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.preedit_attr.done_callback; - - /* invoke the callback - */ - if (cb && cb->callback) { - (*cb->callback)((XIC)ic, cb->client_data, (XPointer)NULL); - } - else { - - /* no callback registered - */ - return XimCbNoCallback; - } - - return XimCbSuccess; -} - -Private void -_read_text_from_packet(Xim im, - char* buf, - XIMText** text_ptr) -{ - int status; - XIMText* text; - int tmp_len; - char* tmp_buf; - Status s = 0; - - status = (int)*(BITMASK32*)buf; buf += sz_BITMASK32; - - /* string part - */ - if (status & 0x00000001) /* "no string" bit on */ { - buf += sz_CARD16; /* skip "length of preedit string" */ - buf += 2; /* pad */ - *text_ptr = (XIMText*)NULL; - return; - } - - *text_ptr = text = (XIMText*)Xmalloc(sizeof(XIMText)); - if (text == (XIMText*)NULL) return; - - tmp_len = (int)*(CARD16*)buf; - buf += sz_CARD16; - if ((tmp_buf = (char*)Xmalloc(tmp_len + 1))) { - memcpy(tmp_buf, buf, tmp_len); - tmp_buf[tmp_len] = '\0'; - - text->encoding_is_wchar = False; - text->length = im->methods->ctstombs((XIM)im, - tmp_buf, tmp_len, - NULL, 0, &s); /* CT? HM */ - if (s != XLookupNone) { -#ifndef NO_DEC_I18N_FIX - /* Allow for NULL-terminated */ - if ((text->string.multi_byte = - (char*)Xmalloc(text->length * - XLC_PUBLIC(im->core.lcd,mb_cur_max) + 1))) { -#else - if (text->string.multi_byte = (char*)Xmalloc(text->length+1)) { -#endif - int tmp; -#ifndef NO_DEC_I18N_FIX - char *char_tmp; - int char_len; -#endif - tmp = im->methods->ctstombs((XIM)im, - tmp_buf, tmp_len, -#ifndef NO_DEC_I18N_FIX - text->string.multi_byte, - text->length * XLC_PUBLIC(im->core.lcd,mb_cur_max) + 1, -#else - text->string.multi_byte, text->length, -#endif - &s); - text->string.multi_byte[tmp] = '\0'; -#ifndef NO_DEC_I18N_FIX - text->length = 0; - char_tmp = text->string.multi_byte; - while (*char_tmp != '\0') { - char_len = mblen(char_tmp, strlen(char_tmp)); - char_tmp = char_tmp + char_len; - (text->length)++; - } -#endif - } - } - else { - text->length = 0; - text->string.multi_byte = NULL; - } - - Xfree(tmp_buf); - } - buf += tmp_len; - - buf += XIM_PAD(sz_CARD16 + tmp_len); /* pad */ - - /* feedback part - */ - if (status & 0x00000002) /* "no feedback" bit on */ { - text->feedback = (XIMFeedback*)NULL; - } - else { - int i, j; - - i = (int)*(CARD16*)buf; buf += sz_CARD16; - buf += sz_CARD16; /* skip `unused' */ - text->feedback = (XIMFeedback*)Xmalloc(i*(sizeof(XIMFeedback)/sizeof(CARD32))); - j = 0; - while (i > 0) { - text->feedback[j] = (XIMFeedback)*(CARD32*)buf; - buf += sz_CARD32; - i -= sz_CARD32; - j++; - } - /* - * text->length tells how long both the status string and - * the feedback array are. If there's "no string" the - * text->length was set to zero previously. See above. - * But if there is feedback (i.e. not "no feedback") then - * we need to convey the length of the feedback array. - * It might have been better if the protocol sent two - * different values, one for the length of the status - * string and one for the length of the feedback array. - */ - if (status & 0x00000001) /* "no string" bit on */ { - text->length = j; - } - } -} - -Private void -_free_memory_for_text(XIMText* text) -{ - if (text) { - if (text->string.multi_byte) - Xfree(text->string.multi_byte); - if (text->feedback) - Xfree(text->feedback); - Xfree(text); - } -} - -Private XimCbStatus -_XimPreeditDrawCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.preedit_attr.draw_callback; - XIMPreeditDrawCallbackStruct cbs; - - /* invoke the callback - */ - if (cb && cb->callback) { - cbs.caret = (int)*(INT32*)proto; proto += sz_INT32; - cbs.chg_first = (int)*(INT32*)proto; proto += sz_INT32; - cbs.chg_length = (int)*(INT32*)proto; proto += sz_INT32; - _read_text_from_packet(im, proto, &cbs.text); - - (*cb->callback)((XIC)ic, cb->client_data, (XPointer)&cbs); - - _free_memory_for_text((XIMText*)cbs.text); - } - else { - - /* no callback registered - */ - return XimCbNoCallback; - } - - return XimCbSuccess; -} - -Private XimCbStatus -_XimPreeditCaretCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.preedit_attr.caret_callback; - XIMPreeditCaretCallbackStruct cbs; - - /* invoke the callback - */ - if (cb && cb->callback) { - cbs.position = (int)*(INT32*)proto; proto += sz_INT32; - cbs.direction = (XIMCaretDirection)*(CARD32*)proto; proto += sz_CARD32; - cbs.style = (XIMCaretStyle)*(CARD32*)proto; proto += sz_CARD32; - - (*cb->callback)((XIC)ic, cb->client_data, (XPointer)&cbs); - } - else { - - /* no callback registered - */ - _XimError(im, ic, - (CARD16)XIM_BadSomething, - (INT16)len, - (CARD16)XIM_PREEDIT_CARET, - (char*)proto); /* send XIM_ERROR */ - return XimCbNoCallback; - } - - /* Send a reply - */ - { - CARD8 buf[sz_ximPacketHeader + sz_ximPreeditCaretReply]; - INT16 len = sz_XIMID + sz_XICID + sz_ximPreeditCaretReply; - int p; - - _XimSetHeader((XPointer)buf, XIM_PREEDIT_CARET_REPLY, 0, &len); - p = XIM_HEADER_SIZE; - *(CARD16*)&buf[p] = (CARD16)im->private.proto.imid; p += sz_CARD16; - *(CARD16*)&buf[p] = (CARD16)ic->private.proto.icid; p += sz_CARD16; - *(CARD32*)&buf[p] = (CARD32)cbs.position; - - if (!(_XimWriteData(im, len, buf))) { - return XimCbError; - } - _XimFlushData(im); - } - - return XimCbSuccess; -} - -Private XimCbStatus -_XimStatusStartCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.status_attr.start_callback; - - /* invoke the callback - */ - if (cb && cb->callback) { - (*cb->callback)((XIC)ic, cb->client_data, (XPointer)NULL); - } - else { - - /* no callback registered - */ - return XimCbNoCallback; - } - - return XimCbSuccess; -} - -Private XimCbStatus -_XimStatusDoneCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.status_attr.done_callback; - - /* invoke the callback - */ - if (cb && cb->callback) { - (*cb->callback)((XIC)ic, cb->client_data, (XPointer)NULL); - } - else { - - /* no callback registered - */ - return XimCbNoCallback; - } - - return XimCbSuccess; -} - -Private XimCbStatus -_XimStatusDrawCallback(Xim im, - Xic ic, - char* proto, - int len) -{ - XICCallback* cb = &ic->core.status_attr.draw_callback; - XIMStatusDrawCallbackStruct cbs; - - /* invoke the callback - */ - if (cb && cb->callback) { - cbs.type = (XIMStatusDataType)*(CARD32*)proto; proto += sz_CARD32; - if (cbs.type == XIMTextType) { - _read_text_from_packet(im, proto, &cbs.data.text); - } - else if (cbs.type == XIMBitmapType) { - cbs.data.bitmap = (Pixmap)*(CARD32*)proto; - } - - (*cb->callback)((XIC)ic, cb->client_data, (XPointer)&cbs); - - if (cbs.type == XIMTextType) - _free_memory_for_text((XIMText *)cbs.data.text); - } - else { - - /* no callback registered - */ - return XimCbNoCallback; - } - - return XimCbSuccess; -} - -Private XimCbStatus -_XimPreeditStateNotifyCallback( Xim im, Xic ic, char* proto, int len ) -{ - XICCallback *cb = &ic->core.preedit_attr.state_notify_callback; - - /* invoke the callack - */ - if( cb && cb->callback ) { - XIMPreeditStateNotifyCallbackStruct cbrec; - - cbrec.state = *(BITMASK32 *)proto; - (*cb->callback)( (XIC)ic, cb->client_data, (XPointer)&cbrec ); - } - else { - /* no callback registered - */ - return XimCbNoCallback; - } - - return XimCbSuccess; -} - +/***********************************************************************
+Copyright 1993 by Digital Equipment Corporation, Maynard, Massachusetts,
+Copyright 1994 by FUJITSU LIMITED
+Copyright 1994 by Sony Corporation
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+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 names of Digital, FUJITSU
+LIMITED and Sony Corporation not be used in advertising or publicity
+pertaining to distribution of the software without specific, written
+prior permission.
+
+DIGITAL, FUJITSU LIMITED AND SONY CORPORATION DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DIGITAL, FUJITSU LIMITED
+AND SONY CORPORATION 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: Hiroyuki Miyamoto Digital Equipment Corporation
+ miyamoto@jrd.dec.com
+ Modifier: Takashi Fujiwara FUJITSU LIMITED
+ fujiwara@a80.tech.yk.fujitsu.co.jp
+ Makoto Wakamatsu Sony Corporation
+ makoto@sm.sony.co.jp
+
+***********************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xlcint.h"
+#include "Ximint.h"
+#include "XlcPubI.h"
+#ifdef X_LOCALE
+#define mblen(a,b) _Xmblen(a,b)
+extern int _Xmblen ();
+#endif
+
+#define sz_CARD8 1
+#define sz_INT8 1
+#define sz_CARD16 2
+#define sz_INT16 2
+#define sz_BITMASK16 sz_CARD16
+#define sz_CARD32 4
+#define sz_INT32 4
+#define sz_BITMASK32 sz_CARD32
+#define sz_XIMID sizeof(XIMID)
+#define sz_XICID sizeof(XICID)
+#define sz_XIMATTRID sizeof(XIMATTRID)
+#define sz_XICATTRID sizeof(XICATTRID)
+#define sz_ximPacketHeader (XIM_HEADER_SIZE + sz_XIMID + sz_XICID)
+#define sz_ximGeometry 0
+#define sz_ximStrConversion (sz_CARD32 + sz_CARD32 + sz_CARD32 + sz_CARD32)
+#define sz_ximPreeditStart 0
+#define sz_ximPreeditStartReply sz_INT32
+#define sz_ximPreeditCaret (sz_INT32 + sz_CARD32 + sz_CARD32)
+#define sz_ximPreeditCaretReply sz_CARD32
+#define sz_ximPreeditDone 0
+#define sz_ximStatusStart 0
+#define sz_ximStatusDone 0
+
+typedef enum {
+ XimCbSuccess,
+ XimCbNoCallback,
+ XimCbError,
+ XimCbQueued,
+ XimCbBadContextID,
+ XimCbBadOpcode
+} XimCbStatus;
+
+typedef XimCbStatus (*XimCb)(
+ Xim, Xic, char*, int
+ );
+
+#define PACKET_TO_MAJOROPCODE(p) (*(CARD8*)((CARD8*)(p)))
+#define PACKET_TO_MINOROPCODE(p) (*(CARD8*)((CARD8*)(p) + sz_CARD8))
+#define PACKET_TO_LENGTH(p) (*(CARD16*)((CARD8*)(p) + sz_CARD8 + sz_CARD8))
+#define PACKET_TO_IMID(p) (*(XIMID*)((CARD8*)(p) + XIM_HEADER_SIZE))
+#define PACKET_TO_ICID(p) (*(XICID*)((CARD8*)(p) + XIM_HEADER_SIZE + sz_XIMID))
+
+#define _XimWriteData(im,len,data) \
+ (im->private.proto.write((im),(len),(XPointer)(data)))
+#define _XimReadData(im,buf,buf_len,len) \
+ (im->private.proto.read((im),(XPointer)(buf),(buf_len),&(len)))
+#define _XimFlushData(im) im->private.proto.flush((im))
+
+Private XimCbStatus _XimGeometryCallback(Xim, Xic, char*, int);
+Private XimCbStatus _XimStrConversionCallback(Xim, Xic, char*, int);
+Private XimCbStatus _XimPreeditStartCallback(Xim, Xic, char*, int);
+Private XimCbStatus _XimPreeditDoneCallback(Xim, Xic, char*, int);
+Private void _free_memory_for_text(XIMText*);
+Private XimCbStatus _XimPreeditDrawCallback(Xim, Xic, char*, int);
+Private XimCbStatus _XimPreeditCaretCallback(Xim, Xic, char*, int);
+Private XimCbStatus _XimStatusStartCallback(Xim, Xic, char*, int);
+Private XimCbStatus _XimStatusDoneCallback(Xim, Xic, char*, int);
+Private XimCbStatus _XimStatusDrawCallback(Xim, Xic, char*, int);
+Private XimCbStatus _XimPreeditStateNotifyCallback(Xim, Xic, char *, int);
+
+#if defined(__STDC__) && ((defined(sun) && defined(SVR4)) || defined(WIN32))
+#define RConst /**/
+#else
+#define RConst const
+#endif
+
+/* NOTE:
+ * the table below depends on the protocol number
+ * defined in the IM Protocol document.
+ */
+static RConst XimCb callback_table[] = {
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #000-009 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #010-019 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #020-029 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #030-039 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #040-049 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #050-059 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* #060-069 */
+ _XimGeometryCallback, /* #070 */
+ _XimStrConversionCallback, /* #071 */
+ NULL, /* #072 */
+ _XimPreeditStartCallback, /* #073 */
+ NULL, /* #074 */
+ _XimPreeditDrawCallback, /* #075 */
+ _XimPreeditCaretCallback, /* #076 */
+ NULL, /* #077 */
+ _XimPreeditDoneCallback, /* #078 */
+ _XimStatusStartCallback, /* #079 */
+ _XimStatusDrawCallback, /* #080 */
+ _XimStatusDoneCallback, /* #081 */
+ _XimPreeditStateNotifyCallback /* #082 */
+ };
+
+
+Private Bool
+_XimIsReadyForProcess(Xic ic)
+{
+ return(!ic->private.proto.waitCallback); /* check HM */
+}
+
+Private void
+_XimProcessPendingCallbacks(Xic ic)
+{
+ XimPendingCallback pcbq;
+
+ while (((pcbq = ic->private.proto.pend_cb_que) != (XimPendingCallback)NULL)
+ && _XimIsReadyForProcess(ic)) {
+ (void) (*callback_table[pcbq->major_opcode])(pcbq->im,
+ pcbq->ic,
+ pcbq->proto,
+ pcbq->proto_len);
+ ic->private.proto.pend_cb_que = pcbq->next;
+ Xfree(pcbq->proto); /* free memory of XimPendingCallback */
+ Xfree(pcbq);
+ }
+}
+
+Private void
+_XimPutCbIntoQueue(Xic ic, XimPendingCallback call_data)
+{
+ XimPendingCallback pcbq = ic->private.proto.pend_cb_que;
+
+ /* Queuing is FIFO
+ */
+ while (pcbq != (XimPendingCallback)NULL) {
+ if (pcbq->next == (XimPendingCallback)NULL) {
+ break;
+ }
+ pcbq = pcbq->next;
+ }
+ if (pcbq == (XimPendingCallback)NULL) {
+ ic->private.proto.pend_cb_que = call_data;
+ }
+ else {
+ pcbq->next = call_data;
+ }
+}
+
+Public Bool
+_XimCbDispatch(Xim xim,
+ INT16 len,
+ XPointer data,
+ XPointer call_data)
+{
+ /* `data' points to the beginning of the packet defined in IM Protocol doc.
+ */
+ int major_opcode = PACKET_TO_MAJOROPCODE(data);
+ XIMID imid = PACKET_TO_IMID(data);
+ XICID icid = PACKET_TO_ICID(data);
+ Xim im = (Xim)call_data; /* check HM */
+ Xic ic = _XimICOfXICID(im, icid);
+ char* proto;
+ int proto_len;
+
+ /* check validity of im/ic
+ */
+ if ((imid != im->private.proto.imid) || !ic) {
+ return False; /* status = XimCbBadContextID; */
+ }
+
+ /* process pending callbacks
+ */
+ _XimProcessPendingCallbacks(ic);
+
+ /* check if the protocol should be processed here
+ */
+ if (major_opcode > 82) {
+ return False; /* status = XimCbBadOpcode; */
+ }
+ if (!callback_table[major_opcode]) {
+ return False; /* status = XimCbBadOpcode; */
+ }
+
+ /* move the pointer ahead by the IM Protocol packet header size
+ */
+ proto = (char*)data + sz_ximPacketHeader;
+ proto_len = (int)len - sz_ximPacketHeader;
+
+ /* check if it can be processed right away
+ * and if no, queue the protocol, otherwise invoke a callback
+ */
+ if (!_XimIsReadyForProcess(ic)) {
+
+ /* queue the protocol
+ */
+ XimPendingCallback pcb;
+ char *proto_buf = (proto_len > 0) ? (char*)Xmalloc(proto_len) : NULL;
+
+ pcb = (XimPendingCallback)Xmalloc(sizeof(XimPendingCallbackRec));
+ if (pcb && (proto_len <= 0 || proto_buf)) {
+ if (proto_len > 0)
+ memcpy(proto_buf, proto, proto_len);
+
+ pcb->major_opcode = major_opcode;
+ pcb->im = im;
+ pcb->ic = ic;
+ pcb->proto = proto_buf;
+ pcb->proto_len = proto_len;
+ pcb->next = (XimPendingCallback)NULL; /* queue is FIFO */
+ _XimPutCbIntoQueue(ic, pcb);
+ /* status = XimCbQueued; */
+ } else {
+ /* status = XimCbError; */
+ Xfree(pcb);
+ Xfree(proto_buf);
+ }
+ }
+ else {
+ /* invoke each callback according to the major opcode.
+ * `proto' points to the next address of IM-ID and IC-ID.
+ * `proto_len' specifies the packet length.
+ */
+ (void) (*callback_table[major_opcode])(im, ic, proto, proto_len);
+ }
+ return True;
+}
+
+Private XimCbStatus
+_XimGeometryCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.geometry_callback;
+
+ /* invoke the callack
+ */
+ if (cb && cb->callback) {
+ (*cb->callback)((XIC)ic, cb->client_data, (XPointer)NULL);
+ }
+ else {
+
+ /* no callback registered
+ */
+ return XimCbNoCallback;
+ }
+
+ return XimCbSuccess;
+}
+
+Private XimCbStatus
+_XimStrConversionCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.string_conversion_callback; /* check HM */
+ XIMStringConversionCallbackStruct cbrec;
+
+ /* invoke the callback
+ */
+ if (cb && cb->callback) {
+ int p = XIM_HEADER_SIZE;
+ cbrec.position = (XIMStringConversionPosition)
+ *(CARD32*)&proto[p]; p += sz_CARD32;
+ cbrec.direction = (XIMCaretDirection)
+ *(CARD32*)&proto[p]; p += sz_CARD32;
+ cbrec.operation = (XIMStringConversionOperation)
+ *(CARD32*)&proto[p]; p += sz_CARD32;
+ cbrec.factor = (unsigned short)
+ *(CARD32*)&proto[p];
+
+ (*cb->callback)((XIC)ic, cb->client_data, (XPointer)&cbrec);
+ }
+ else {
+
+ /* no callback registered
+ */
+ _XimError(im, ic,
+ (CARD16)XIM_BadSomething,
+ (INT16)len,
+ (CARD16)XIM_STR_CONVERSION,
+ (char*)proto); /* send XIM_ERROR */
+ return XimCbNoCallback;
+ }
+
+ /* send a reply
+ */
+ {
+ CARD8 *buf;
+ INT16 buf_len;
+ int p, length_in_bytes, i;
+
+ /* Assumption:
+ * `cbrec.text->length' means the string length in characters
+ */
+ {
+ length_in_bytes = (cbrec.text->encoding_is_wchar)?
+ sizeof(wchar_t) * cbrec.text->length: /* wchar */
+ strlen(cbrec.text->string.mbs); /* mb */
+ buf_len = XIM_HEADER_SIZE +
+ sz_CARD16 +
+ 2 + length_in_bytes +
+ XIM_PAD(2 + length_in_bytes) +
+ 2 + 2 + sz_CARD32 * cbrec.text->length;
+ buf = (CARD8*)Xmalloc(buf_len);
+ }
+ _XimSetHeader((XPointer)buf, XIM_STR_CONVERSION_REPLY, 0, &buf_len);
+ buf_len -= XIM_HEADER_SIZE; /* added by _XimSetHeader (HACK) */
+ p = XIM_HEADER_SIZE;
+ *(CARD16*)&buf[p] = (CARD16)im->private.proto.imid; p += sz_CARD16;
+ *(CARD16*)&buf[p] = (CARD16)ic->private.proto.icid; p += sz_CARD16;
+ *(CARD16*)&buf[p] = (CARD16)cbrec.text->length; p += sz_CARD16;
+ memcpy(&buf[p],&cbrec.text->string.mbs,length_in_bytes);
+ p += length_in_bytes;
+ *(CARD16*)&buf[p] = (CARD16)(sz_CARD32*cbrec.text->length);
+ p += XIM_PAD(2);
+ for (i = 0; i < (int)cbrec.text->length; i++) {
+ *(CARD32*)&buf[p] = (CARD32)cbrec.text->feedback[i];
+ p += sz_CARD32;
+ }
+
+ if (!(_XimWriteData(im, buf_len, buf))) {
+ return XimCbError;
+ }
+ _XimFlushData(im);
+
+ Xfree(buf);
+ }
+
+ return XimCbSuccess;
+}
+
+Private XimCbStatus
+_XimPreeditStartCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.preedit_attr.start_callback;
+ int ret;
+
+ /* invoke the callback
+ */
+ if (cb && cb->callback){
+ ret = (*(cb->callback))((XIC)ic, cb->client_data, (XPointer)NULL);
+ }
+ else {
+
+ /* no callback registered
+ */
+ _XimError(im, ic,
+ (CARD16)XIM_BadSomething,
+ (INT16)len,
+ (CARD16)XIM_PREEDIT_START,
+ (char*)proto); /* send XIM_ERROR */
+ return XimCbNoCallback;
+ }
+
+ /* send a reply
+ */
+ {
+ CARD32 buf32[(sz_ximPacketHeader + sz_ximPreeditStartReply) / 4];
+ CARD8 *buf = (CARD8 *)buf32;
+ INT16 buf_len = sz_XIMID + sz_XICID + sz_ximPreeditStartReply;
+ int p;
+
+ _XimSetHeader((XPointer)buf, XIM_PREEDIT_START_REPLY, 0, &buf_len);
+ p = XIM_HEADER_SIZE;
+ *(CARD16*)&buf[p] = (CARD16)im->private.proto.imid; p += sz_CARD16;
+ *(CARD16*)&buf[p] = (CARD16)ic->private.proto.icid; p += sz_CARD16;
+ *(INT32*)&buf[p] = (INT32)ret;
+
+ if (!(_XimWriteData(im, buf_len, buf))) {
+ return XimCbError;
+ }
+ _XimFlushData(im);
+ }
+
+ return XimCbSuccess;
+}
+
+Private XimCbStatus
+_XimPreeditDoneCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.preedit_attr.done_callback;
+
+ /* invoke the callback
+ */
+ if (cb && cb->callback) {
+ (*cb->callback)((XIC)ic, cb->client_data, (XPointer)NULL);
+ }
+ else {
+
+ /* no callback registered
+ */
+ return XimCbNoCallback;
+ }
+
+ return XimCbSuccess;
+}
+
+Private void
+_read_text_from_packet(Xim im,
+ char* buf,
+ XIMText** text_ptr)
+{
+ int status;
+ XIMText* text;
+ int tmp_len;
+ char* tmp_buf;
+ Status s = 0;
+
+ status = (int)*(BITMASK32*)buf; buf += sz_BITMASK32;
+
+ /* string part
+ */
+ if (status & 0x00000001) /* "no string" bit on */ {
+ buf += sz_CARD16; /* skip "length of preedit string" */
+ buf += 2; /* pad */
+ *text_ptr = (XIMText*)NULL;
+ return;
+ }
+
+ *text_ptr = text = (XIMText*)Xmalloc(sizeof(XIMText));
+ if (text == (XIMText*)NULL) return;
+
+ tmp_len = (int)*(CARD16*)buf;
+ buf += sz_CARD16;
+ if ((tmp_buf = (char*)Xmalloc(tmp_len + 1))) {
+ memcpy(tmp_buf, buf, tmp_len);
+ tmp_buf[tmp_len] = '\0';
+
+ text->encoding_is_wchar = False;
+ text->length = im->methods->ctstombs((XIM)im,
+ tmp_buf, tmp_len,
+ NULL, 0, &s); /* CT? HM */
+ if (s != XLookupNone) {
+#ifndef NO_DEC_I18N_FIX
+ /* Allow for NULL-terminated */
+ if ((text->string.multi_byte =
+ (char*)Xmalloc(text->length *
+ XLC_PUBLIC(im->core.lcd,mb_cur_max) + 1))) {
+#else
+ if (text->string.multi_byte = (char*)Xmalloc(text->length+1)) {
+#endif
+ int tmp;
+#ifndef NO_DEC_I18N_FIX
+ char *char_tmp;
+ int char_len;
+#endif
+ tmp = im->methods->ctstombs((XIM)im,
+ tmp_buf, tmp_len,
+#ifndef NO_DEC_I18N_FIX
+ text->string.multi_byte,
+ text->length * XLC_PUBLIC(im->core.lcd,mb_cur_max) + 1,
+#else
+ text->string.multi_byte, text->length,
+#endif
+ &s);
+ text->string.multi_byte[tmp] = '\0';
+#ifndef NO_DEC_I18N_FIX
+ text->length = 0;
+ char_tmp = text->string.multi_byte;
+ while (*char_tmp != '\0') {
+ char_len = mblen(char_tmp, strlen(char_tmp));
+ char_tmp = char_tmp + char_len;
+ (text->length)++;
+ }
+#endif
+ }
+ }
+ else {
+ text->length = 0;
+ text->string.multi_byte = NULL;
+ }
+
+ Xfree(tmp_buf);
+ }
+ buf += tmp_len;
+
+ buf += XIM_PAD(sz_CARD16 + tmp_len); /* pad */
+
+ /* feedback part
+ */
+ if (status & 0x00000002) /* "no feedback" bit on */ {
+ text->feedback = (XIMFeedback*)NULL;
+ }
+ else {
+ int i, j;
+
+ i = (int)*(CARD16*)buf; buf += sz_CARD16;
+ buf += sz_CARD16; /* skip `unused' */
+ text->feedback = (XIMFeedback*)Xmalloc(i*(sizeof(XIMFeedback)/sizeof(CARD32)));
+ j = 0;
+ while (i > 0) {
+ text->feedback[j] = (XIMFeedback)*(CARD32*)buf;
+ buf += sz_CARD32;
+ i -= sz_CARD32;
+ j++;
+ }
+ /*
+ * text->length tells how long both the status string and
+ * the feedback array are. If there's "no string" the
+ * text->length was set to zero previously. See above.
+ * But if there is feedback (i.e. not "no feedback") then
+ * we need to convey the length of the feedback array.
+ * It might have been better if the protocol sent two
+ * different values, one for the length of the status
+ * string and one for the length of the feedback array.
+ */
+ if (status & 0x00000001) /* "no string" bit on */ {
+ text->length = j;
+ }
+ }
+}
+
+Private void
+_free_memory_for_text(XIMText* text)
+{
+ if (text) {
+ if (text->string.multi_byte)
+ Xfree(text->string.multi_byte);
+ if (text->feedback)
+ Xfree(text->feedback);
+ Xfree(text);
+ }
+}
+
+Private XimCbStatus
+_XimPreeditDrawCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.preedit_attr.draw_callback;
+ XIMPreeditDrawCallbackStruct cbs;
+
+ /* invoke the callback
+ */
+ if (cb && cb->callback) {
+ cbs.caret = (int)*(INT32*)proto; proto += sz_INT32;
+ cbs.chg_first = (int)*(INT32*)proto; proto += sz_INT32;
+ cbs.chg_length = (int)*(INT32*)proto; proto += sz_INT32;
+ _read_text_from_packet(im, proto, &cbs.text);
+
+ (*cb->callback)((XIC)ic, cb->client_data, (XPointer)&cbs);
+
+ _free_memory_for_text((XIMText*)cbs.text);
+ }
+ else {
+
+ /* no callback registered
+ */
+ return XimCbNoCallback;
+ }
+
+ return XimCbSuccess;
+}
+
+Private XimCbStatus
+_XimPreeditCaretCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.preedit_attr.caret_callback;
+ XIMPreeditCaretCallbackStruct cbs;
+
+ /* invoke the callback
+ */
+ if (cb && cb->callback) {
+ cbs.position = (int)*(INT32*)proto; proto += sz_INT32;
+ cbs.direction = (XIMCaretDirection)*(CARD32*)proto; proto += sz_CARD32;
+ cbs.style = (XIMCaretStyle)*(CARD32*)proto; proto += sz_CARD32;
+
+ (*cb->callback)((XIC)ic, cb->client_data, (XPointer)&cbs);
+ }
+ else {
+
+ /* no callback registered
+ */
+ _XimError(im, ic,
+ (CARD16)XIM_BadSomething,
+ (INT16)len,
+ (CARD16)XIM_PREEDIT_CARET,
+ (char*)proto); /* send XIM_ERROR */
+ return XimCbNoCallback;
+ }
+
+ /* Send a reply
+ */
+ {
+ CARD8 buf[sz_ximPacketHeader + sz_ximPreeditCaretReply];
+ INT16 len = sz_XIMID + sz_XICID + sz_ximPreeditCaretReply;
+ int p;
+
+ _XimSetHeader((XPointer)buf, XIM_PREEDIT_CARET_REPLY, 0, &len);
+ p = XIM_HEADER_SIZE;
+ *(CARD16*)&buf[p] = (CARD16)im->private.proto.imid; p += sz_CARD16;
+ *(CARD16*)&buf[p] = (CARD16)ic->private.proto.icid; p += sz_CARD16;
+ *(CARD32*)&buf[p] = (CARD32)cbs.position;
+
+ if (!(_XimWriteData(im, len, buf))) {
+ return XimCbError;
+ }
+ _XimFlushData(im);
+ }
+
+ return XimCbSuccess;
+}
+
+Private XimCbStatus
+_XimStatusStartCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.status_attr.start_callback;
+
+ /* invoke the callback
+ */
+ if (cb && cb->callback) {
+ (*cb->callback)((XIC)ic, cb->client_data, (XPointer)NULL);
+ }
+ else {
+
+ /* no callback registered
+ */
+ return XimCbNoCallback;
+ }
+
+ return XimCbSuccess;
+}
+
+Private XimCbStatus
+_XimStatusDoneCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.status_attr.done_callback;
+
+ /* invoke the callback
+ */
+ if (cb && cb->callback) {
+ (*cb->callback)((XIC)ic, cb->client_data, (XPointer)NULL);
+ }
+ else {
+
+ /* no callback registered
+ */
+ return XimCbNoCallback;
+ }
+
+ return XimCbSuccess;
+}
+
+Private XimCbStatus
+_XimStatusDrawCallback(Xim im,
+ Xic ic,
+ char* proto,
+ int len)
+{
+ XICCallback* cb = &ic->core.status_attr.draw_callback;
+ XIMStatusDrawCallbackStruct cbs;
+
+ /* invoke the callback
+ */
+ if (cb && cb->callback) {
+ cbs.type = (XIMStatusDataType)*(CARD32*)proto; proto += sz_CARD32;
+ if (cbs.type == XIMTextType) {
+ _read_text_from_packet(im, proto, &cbs.data.text);
+ }
+ else if (cbs.type == XIMBitmapType) {
+ cbs.data.bitmap = (Pixmap)*(CARD32*)proto;
+ }
+
+ (*cb->callback)((XIC)ic, cb->client_data, (XPointer)&cbs);
+
+ if (cbs.type == XIMTextType)
+ _free_memory_for_text((XIMText *)cbs.data.text);
+ }
+ else {
+
+ /* no callback registered
+ */
+ return XimCbNoCallback;
+ }
+
+ return XimCbSuccess;
+}
+
+Private XimCbStatus
+_XimPreeditStateNotifyCallback( Xim im, Xic ic, char* proto, int len )
+{
+ XICCallback *cb = &ic->core.preedit_attr.state_notify_callback;
+
+ /* invoke the callack
+ */
+ if( cb && cb->callback ) {
+ XIMPreeditStateNotifyCallbackStruct cbrec;
+
+ cbrec.state = *(BITMASK32 *)proto;
+ (*cb->callback)( (XIC)ic, cb->client_data, (XPointer)&cbrec );
+ }
+ else {
+ /* no callback registered
+ */
+ return XimCbNoCallback;
+ }
+
+ return XimCbSuccess;
+}
+
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