xref: /AOO41X/main/vcl/unx/generic/app/i18n_cb.cxx (revision c82f28778d59b20a7e6c0f9982d1bc73807a432a)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_vcl.hxx"
26 
27 #include <stdio.h>
28 #include <string.h>
29 
30 #include <sal/alloca.h>
31 #include <osl/thread.h>
32 
33 #include <tools/prex.h>
34 #include <X11/Xlocale.h>
35 #include <X11/Xlib.h>
36 #include <tools/postx.h>
37 
38 #include "unx/salunx.h"
39 #include "unx/XIM.h"
40 #include "unx/i18n_cb.hxx"
41 #include "unx/i18n_status.hxx"
42 #include "unx/i18n_ic.hxx"
43 #include "unx/i18n_im.hxx"
44 #include "salframe.hxx"
45 
46 // -------------------------------------------------------------------------
47 //
48 // i. preedit start callback
49 //
50 // -------------------------------------------------------------------------
51 
52 int
PreeditStartCallback(XIC,XPointer client_data,XPointer)53 PreeditStartCallback ( XIC, XPointer client_data, XPointer )
54 {
55     preedit_data_t* pPreeditData = (preedit_data_t*)client_data;
56     if ( pPreeditData->eState == ePreeditStatusActivationRequired )
57     {
58         pPreeditData->eState = ePreeditStatusActive;
59         pPreeditData->aText.nCursorPos = 0;
60         pPreeditData->aText.nLength    = 0;
61     }
62 
63     return -1;
64 }
65 
66 // -------------------------------------------------------------------------
67 //
68 // ii. preedit done callback
69 //
70 // -------------------------------------------------------------------------
71 
72 void
PreeditDoneCallback(XIC,XPointer client_data,XPointer)73 PreeditDoneCallback ( XIC, XPointer client_data, XPointer )
74 {
75     preedit_data_t* pPreeditData = (preedit_data_t*)client_data;
76     if (pPreeditData->eState == ePreeditStatusActive )
77     {
78         if( pPreeditData->pFrame )
79             pPreeditData->pFrame->CallCallback( SALEVENT_ENDEXTTEXTINPUT, (void*)NULL );
80     }
81     pPreeditData->eState = ePreeditStatusStartPending;
82 }
83 
84 // -------------------------------------------------------------------------
85 //
86 // iii. preedit draw callback
87 //
88 // -------------------------------------------------------------------------
89 
90 //
91 // Handle deletion of text in a preedit_draw_callback
92 // from and howmuch are guaranteed to be nonnegative
93 //
94 
95 void
Preedit_DeleteText(preedit_text_t * ptext,int from,int howmuch)96 Preedit_DeleteText(preedit_text_t *ptext, int from, int howmuch)
97 {
98     // If we've been asked to delete no text then just set
99     // nLength correctly and return
100     if (ptext->nLength == 0)
101     {
102         ptext->nLength = from;
103         return;
104     }
105 
106     int to = from + howmuch;
107 
108     if (to == (int)ptext->nLength)
109     {
110         // delete from the end of the text
111         ptext->nLength = from;
112     }
113     else
114         if (to < (int)ptext->nLength)
115     {
116         // cut out of the middle of the text
117         memmove( (void*)(ptext->pUnicodeBuffer + from),
118                 (void*)(ptext->pUnicodeBuffer + to),
119                 (ptext->nLength - to) * sizeof(sal_Unicode));
120         memmove( (void*)(ptext->pCharStyle + from),
121                 (void*)(ptext->pCharStyle + to),
122                 (ptext->nLength - to) * sizeof(XIMFeedback));
123         ptext->nLength -= howmuch;
124     }
125     else
126     // if ( to > pText->nLength )
127     {
128         // XXX this indicates an error, are we out of sync ?
129         fprintf(stderr, "Preedit_DeleteText( from=%i to=%i length=%i )\n",
130                 from, to, ptext->nLength );
131         fprintf (stderr, "\t XXX internal error, out of sync XXX\n");
132 
133         ptext->nLength = from;
134     }
135 
136     // NULL-terminate the string
137     ptext->pUnicodeBuffer[ptext->nLength] = (sal_Unicode)0;
138 }
139 
140 // reallocate the textbuffer with sufficiently large size 2^x
141 // nnewlimit is presupposed to be larger than ptext->size
142 void
enlarge_buffer(preedit_text_t * ptext,int nnewlimit)143 enlarge_buffer ( preedit_text_t *ptext, int nnewlimit )
144 {
145     size_t nnewsize = ptext->nSize;
146 
147     while ( nnewsize <= (size_t)nnewlimit )
148         nnewsize *= 2;
149 
150     ptext->nSize = nnewsize;
151     ptext->pUnicodeBuffer = (sal_Unicode*)realloc((void*)ptext->pUnicodeBuffer,
152             nnewsize * sizeof(sal_Unicode));
153     ptext->pCharStyle = (XIMFeedback*)realloc((void*)ptext->pCharStyle,
154             nnewsize * sizeof(XIMFeedback));
155 }
156 
157 //
158 // Handle insertion of text in a preedit_draw_callback
159 // string field of XIMText struct is guaranteed to be != NULL
160 //
161 
162 void
Preedit_InsertText(preedit_text_t * pText,XIMText * pInsertText,int where,Bool isMultilingual)163 Preedit_InsertText(preedit_text_t *pText, XIMText *pInsertText, int where,
164            Bool isMultilingual)
165 {
166     sal_Unicode *pInsertTextString;
167     int nInsertTextLength = 0;
168     XIMFeedback *pInsertTextCharStyle = pInsertText->feedback;
169 
170     nInsertTextLength = pInsertText->length;
171 
172     if (isMultilingual)
173     {
174         XIMUnicodeText *pUniText = (XIMUnicodeText*)pInsertText;
175         pInsertTextString = pUniText->string.utf16_char;
176     }
177     else
178     {
179         //  can't handle wchar_t strings, so convert to multibyte chars first
180         char *pMBString;
181         size_t nMBLength;
182         if (pInsertText->encoding_is_wchar)
183         {
184             wchar_t *pWCString = pInsertText->string.wide_char;
185             size_t nBytes = wcstombs ( NULL, pWCString, 1024 /* dont care */);
186             pMBString = (char*)alloca( nBytes + 1 );
187             nMBLength = wcstombs ( pMBString, pWCString, nBytes + 1);
188         }
189         else
190         {
191             pMBString = pInsertText->string.multi_byte;
192             nMBLength = strlen(pMBString); // xxx
193         }
194 
195         // convert multibyte chars to unicode
196         rtl_TextEncoding nEncoding = osl_getThreadTextEncoding();
197 
198         if (nEncoding != RTL_TEXTENCODING_UNICODE)
199         {
200             rtl_TextToUnicodeConverter aConverter =
201                     rtl_createTextToUnicodeConverter( nEncoding );
202             rtl_TextToUnicodeContext aContext =
203                     rtl_createTextToUnicodeContext(aConverter);
204 
205             sal_Size nBufferSize = nInsertTextLength * 2;
206 
207             pInsertTextString = (sal_Unicode*)alloca(nBufferSize);
208 
209             sal_uInt32  nConversionInfo;
210             sal_Size    nConvertedChars;
211 
212             rtl_convertTextToUnicode( aConverter, aContext,
213                     pMBString, nMBLength,
214                     pInsertTextString, nBufferSize,
215                       RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_IGNORE
216                     | RTL_TEXTTOUNICODE_FLAGS_INVALID_IGNORE,
217                     &nConversionInfo, &nConvertedChars );
218 
219             rtl_destroyTextToUnicodeContext(aConverter, aContext);
220             rtl_destroyTextToUnicodeConverter(aConverter);
221 
222         }
223         else
224         {
225             pInsertTextString = (sal_Unicode*)pMBString;
226         }
227     }
228 
229     // enlarge target text-buffer if necessary
230     if (pText->nSize <= (pText->nLength + nInsertTextLength))
231         enlarge_buffer(pText, pText->nLength + nInsertTextLength);
232 
233     // insert text: displace old mem and put new bytes in
234     int from    = where;
235     int to      = where + nInsertTextLength;
236     int howmany = pText->nLength - where;
237 
238     memmove((void*)(pText->pUnicodeBuffer + to),
239             (void*)(pText->pUnicodeBuffer + from),
240             howmany * sizeof(sal_Unicode));
241     memmove((void*)(pText->pCharStyle + to),
242             (void*)(pText->pCharStyle + from),
243             howmany * sizeof(XIMFeedback));
244 
245     to = from;
246     howmany = nInsertTextLength;
247 
248     memcpy((void*)(pText->pUnicodeBuffer + to), (void*)pInsertTextString,
249             howmany * sizeof(sal_Unicode));
250     memcpy((void*)(pText->pCharStyle + to), (void*)pInsertTextCharStyle,
251             howmany * sizeof(XIMFeedback));
252 
253     pText->nLength += howmany;
254 
255     // NULL-terminate the string
256     pText->pUnicodeBuffer[pText->nLength] = (sal_Unicode)0;
257 }
258 
259 //
260 // Handle the change of attributes in a preedit_draw_callback
261 //
262 void
Preedit_UpdateAttributes(preedit_text_t * ptext,XIMFeedback * feedback,int from,int amount)263 Preedit_UpdateAttributes ( preedit_text_t* ptext, XIMFeedback* feedback,
264         int from, int amount )
265 {
266     if ( (from + amount) > (int)ptext->nLength )
267     {
268         // XXX this indicates an error, are we out of sync ?
269         fprintf (stderr, "Preedit_UpdateAttributes( %i + %i > %i )\n",
270             from, amount, ptext->nLength );
271         fprintf (stderr, "\t XXX internal error, out of sync XXX\n");
272 
273         return;
274     }
275 
276     memcpy ( ptext->pCharStyle + from,
277         feedback, amount * sizeof(XIMFeedback) );
278 }
279 
280 // Convert the XIM feedback values into appropriate VCL
281 // SAL_EXTTEXTINPUT_ATTR values
282 // returns an allocate list of attributes, which must be freed by caller
283 sal_uInt16*
Preedit_FeedbackToSAL(XIMFeedback * pfeedback,int nlength,std::vector<sal_uInt16> & rSalAttr)284 Preedit_FeedbackToSAL ( XIMFeedback* pfeedback, int nlength, std::vector<sal_uInt16>& rSalAttr )
285 {
286     sal_uInt16 *psalattr;
287     sal_uInt16  nval;
288     sal_uInt16  noldval = 0;
289     XIMFeedback nfeedback;
290 
291     // only work with reasonable length
292     if (nlength > 0 && nlength > sal::static_int_cast<int>(rSalAttr.size()) )
293     {
294         rSalAttr.reserve( nlength );
295         psalattr = &rSalAttr[0];
296     }
297     else
298         return (sal_uInt16*)NULL;
299 
300     for (int npos = 0; npos < nlength; npos++)
301     {
302         nval = 0;
303         nfeedback = pfeedback[npos];
304 
305         // means to use the feedback of the previous char
306         if (nfeedback == 0)
307         {
308             nval = noldval;
309         }
310         // convert feedback to attributes
311         else
312         {
313             if (nfeedback & XIMReverse)
314                 nval |= SAL_EXTTEXTINPUT_ATTR_HIGHLIGHT;
315             if (nfeedback & XIMUnderline)
316                 nval |= SAL_EXTTEXTINPUT_ATTR_UNDERLINE;
317             if (nfeedback & XIMHighlight)
318                 nval |= SAL_EXTTEXTINPUT_ATTR_HIGHLIGHT;
319             if (nfeedback & XIMPrimary)
320                 nval |= SAL_EXTTEXTINPUT_ATTR_DOTTEDUNDERLINE;
321             if (nfeedback & XIMSecondary)
322                 nval |= SAL_EXTTEXTINPUT_ATTR_DASHDOTUNDERLINE;
323             if (nfeedback & XIMTertiary) // same as 2ery
324                 nval |= SAL_EXTTEXTINPUT_ATTR_DASHDOTUNDERLINE;
325 
326             /*
327             // visibility feedback not supported now
328             if (   (nfeedback & XIMVisibleToForward)
329                 || (nfeedback & XIMVisibleToBackward)
330                 || (nfeedback & XIMVisibleCenter) )
331             { }
332             */
333         }
334         // copy in list
335         psalattr[npos] = nval;
336         noldval = nval;
337     }
338     // return list of sal attributes
339     return psalattr;
340 }
341 
342 void
PreeditDrawCallback(XIC ic,XPointer client_data,XIMPreeditDrawCallbackStruct * call_data)343 PreeditDrawCallback(XIC ic, XPointer client_data,
344             XIMPreeditDrawCallbackStruct *call_data)
345 {
346     preedit_data_t* pPreeditData = (preedit_data_t*)client_data;
347 
348     // if there's nothing to change then change nothing
349     if ( ( (call_data->text == NULL) && (call_data->chg_length == 0) )
350          || pPreeditData->pFrame == NULL )
351         return;
352 
353     // #88564# Solaris 7 deletes the preedit buffer after commit
354     // since the next call to preeditstart will have the same effect just skip this.
355     // if (pPreeditData->eState == ePreeditStatusStartPending && call_data->text == NULL)
356     //    return;
357 
358     if ( pPreeditData->eState == ePreeditStatusStartPending )
359         pPreeditData->eState = ePreeditStatusActivationRequired;
360     PreeditStartCallback( ic, client_data, NULL );
361 
362     // Edit the internal textbuffer as indicated by the call_data,
363     // chg_first and chg_length are guaranteed to be nonnegative
364 
365     // handle text deletion
366     if (call_data->text == NULL)
367     {
368         Preedit_DeleteText(&(pPreeditData->aText),
369                call_data->chg_first, call_data->chg_length );
370     }
371     else
372     {
373         // handle text insertion
374         if (   (call_data->chg_length == 0)
375             && (call_data->text->string.wide_char != NULL))
376         {
377             Preedit_InsertText(&(pPreeditData->aText), call_data->text,
378                     call_data->chg_first, pPreeditData->bIsMultilingual);
379         }
380         else
381         // handle text replacement by deletion and insertion of text,
382         // not smart, just good enough
383         if (   (call_data->chg_length != 0)
384             && (call_data->text->string.wide_char != NULL))
385         {
386             Preedit_DeleteText(&(pPreeditData->aText),
387                     call_data->chg_first, call_data->chg_length);
388             Preedit_InsertText(&(pPreeditData->aText), call_data->text,
389                     call_data->chg_first, pPreeditData->bIsMultilingual);
390         }
391         else
392         // not really a text update, only attributes are concerned
393         if (   (call_data->chg_length != 0)
394             && (call_data->text->string.wide_char == NULL))
395         {
396             Preedit_UpdateAttributes(&(pPreeditData->aText),
397                    call_data->text->feedback,
398                    call_data->chg_first, call_data->chg_length);
399         }
400     }
401 
402     //
403     // build the SalExtTextInputEvent and send it up
404     //
405     pPreeditData->aInputEv.mnTime = 0;
406     pPreeditData->aInputEv.mpTextAttr = Preedit_FeedbackToSAL(
407             pPreeditData->aText.pCharStyle, pPreeditData->aText.nLength, pPreeditData->aInputFlags);
408     pPreeditData->aInputEv.mnCursorPos = call_data->caret;
409     pPreeditData->aInputEv.maText = String (pPreeditData->aText.pUnicodeBuffer,
410                                 pPreeditData->aText.nLength);
411     pPreeditData->aInputEv.mnCursorFlags    = 0; // default: make cursor visible
412     pPreeditData->aInputEv.mnDeltaStart = 0; // call_data->chg_first;
413     pPreeditData->aInputEv.mbOnlyCursor = False;
414 
415     if ( pPreeditData->eState == ePreeditStatusActive && pPreeditData->pFrame )
416         pPreeditData->pFrame->CallCallback(SALEVENT_EXTTEXTINPUT, (void*)&pPreeditData->aInputEv);
417     if (pPreeditData->aText.nLength == 0 && pPreeditData->pFrame )
418         pPreeditData->pFrame->CallCallback( SALEVENT_ENDEXTTEXTINPUT, (void*)NULL );
419 
420     if (pPreeditData->aText.nLength == 0)
421         pPreeditData->eState = ePreeditStatusStartPending;
422 
423     GetPreeditSpotLocation(ic, (XPointer)pPreeditData);
424 }
425 
426 void
GetPreeditSpotLocation(XIC ic,XPointer client_data)427 GetPreeditSpotLocation(XIC ic, XPointer client_data)
428 {
429     //
430     // Send SalEventExtTextInputPos event to get spotlocation
431     //
432     SalExtTextInputPosEvent mPosEvent;
433     preedit_data_t* pPreeditData = (preedit_data_t*)client_data;
434 
435     if( pPreeditData->pFrame )
436         pPreeditData->pFrame->CallCallback(SALEVENT_EXTTEXTINPUTPOS, (void*)&mPosEvent);
437 
438     XPoint point;
439     point.x = mPosEvent.mnX + mPosEvent.mnWidth;
440     point.y = mPosEvent.mnY + mPosEvent.mnHeight;
441 
442     XVaNestedList preedit_attr;
443     preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &point, NULL);
444     XSetICValues(ic, XNPreeditAttributes, preedit_attr, NULL);
445     XFree(preedit_attr);
446 
447     return;
448 }
449 
450 // -------------------------------------------------------------------------
451 //
452 // iv. preedit caret callback
453 //
454 // -------------------------------------------------------------------------
455 
456 #if OSL_DEBUG_LEVEL > 1
457 void
PreeditCaretCallback(XIC ic,XPointer client_data,XIMPreeditCaretCallbackStruct * call_data)458 PreeditCaretCallback ( XIC ic, XPointer client_data,
459     XIMPreeditCaretCallbackStruct *call_data )
460 #else
461 void
462 PreeditCaretCallback ( XIC, XPointer,XIMPreeditCaretCallbackStruct* )
463 #endif
464 {
465     #if OSL_DEBUG_LEVEL > 1
466     // XXX PreeditCaretCallback is pure debug code for now
467     const char *direction = "?";
468     const char *style = "?";
469 
470     switch ( call_data->style )
471     {
472         case XIMIsInvisible: style = "Invisible"; break;
473         case XIMIsPrimary:   style = "Primary";   break;
474         case XIMIsSecondary: style = "Secondary"; break;
475     }
476     switch ( call_data->direction )
477     {
478         case XIMForwardChar:  direction = "Forward char";  break;
479         case XIMBackwardChar: direction = "Backward char"; break;
480         case XIMForwardWord:  direction = "Forward word";  break;
481         case XIMBackwardWord: direction = "Backward word"; break;
482         case XIMCaretUp:      direction = "Caret up";      break;
483         case XIMCaretDown:    direction = "Caret down";    break;
484         case XIMNextLine:     direction = "Next line";     break;
485         case XIMPreviousLine: direction = "Previous line"; break;
486         case XIMLineStart:    direction = "Line start";    break;
487         case XIMLineEnd:      direction = "Line end";      break;
488         case XIMAbsolutePosition: direction = "Absolute";  break;
489         case XIMDontChange:   direction = "Dont change";   break;
490     }
491 
492     fprintf (stderr, "PreeditCaretCallback( ic=%p, client=%p,\n",
493         ic, client_data );
494     fprintf (stderr, "\t position=%i, direction=\"%s\", style=\"%s\" )\n",
495         call_data->position, direction, style );
496     #endif
497 }
498 
499 // -----------------------------------------------------------------------
500 //
501 // v. commit string callback: convert an extended text input (iiimp ... )
502 //     into an ordinary key-event
503 //
504 // -----------------------------------------------------------------------
505 
506 Bool
IsControlCode(sal_Unicode nChar)507 IsControlCode(sal_Unicode nChar)
508 {
509     if ( nChar <= 0x1F // C0 controls
510      /* || (0x80 <= nChar && nChar <= 0x9F) C1 controls */ )
511         return True;
512     else
513         return False;
514 }
515 
516 int
CommitStringCallback(XIC ic,XPointer client_data,XPointer call_data)517 CommitStringCallback( XIC ic, XPointer client_data, XPointer call_data )
518 {
519     preedit_data_t* pPreeditData = (preedit_data_t*)client_data;
520 
521     XIMUnicodeText *cbtext = (XIMUnicodeText *)call_data;
522     sal_Unicode *p_unicode_data = (sal_Unicode*)cbtext->string.utf16_char;
523 
524     // #86964# filter unexpected pure control events
525     if (cbtext->length == 1 && IsControlCode(p_unicode_data[0]) )
526     {
527         if( pPreeditData->pFrame )
528         {
529             pPreeditData->pFrame->CallCallback( SALEVENT_ENDEXTTEXTINPUT, (void*)NULL );
530         }
531     }
532     else
533     {
534         if( pPreeditData->pFrame )
535         {
536             pPreeditData->aInputEv.mnTime           = 0;
537             pPreeditData->aInputEv.mpTextAttr       = 0;
538             pPreeditData->aInputEv.mnCursorPos      = cbtext->length;
539             pPreeditData->aInputEv.maText           = UniString(p_unicode_data, cbtext->length);
540             pPreeditData->aInputEv.mnCursorFlags    = 0; // default: make cursor visible
541             pPreeditData->aInputEv.mnDeltaStart     = 0;
542             pPreeditData->aInputEv.mbOnlyCursor     = False;
543 
544             pPreeditData->pFrame->CallCallback( SALEVENT_EXTTEXTINPUT, (void*)&pPreeditData->aInputEv);
545             pPreeditData->pFrame->CallCallback( SALEVENT_ENDEXTTEXTINPUT, (void*)NULL );
546         }
547     }
548     pPreeditData->eState = ePreeditStatusStartPending;
549 
550     GetPreeditSpotLocation(ic, (XPointer)pPreeditData);
551 
552     return 0;
553 }
554 
555 // ----------------------------------------------------------------------------------
556 //
557 // vi. status callbacks: for now these are empty, they are just needed for turbo linux
558 //
559 // ----------------------------------------------------------------------------------
560 
561 void
StatusStartCallback(XIC,XPointer,XPointer)562 StatusStartCallback (XIC, XPointer, XPointer)
563 {
564     return;
565 }
566 
567 void
StatusDoneCallback(XIC,XPointer,XPointer)568 StatusDoneCallback (XIC, XPointer, XPointer)
569 {
570     return;
571 }
572 
573 void
StatusDrawCallback(XIC ic,XPointer client_data,XIMStatusDrawCallbackStruct * call_data)574 StatusDrawCallback (XIC ic, XPointer client_data, XIMStatusDrawCallbackStruct *call_data)
575 {
576     preedit_data_t* pPreeditData = (preedit_data_t*)client_data;
577     if( pPreeditData->bIsMultilingual )
578     {
579         // IIIMP
580         XIMUnicodeText *cbtext = (XIMUnicodeText *)call_data->data.text;
581         ::vcl::I18NStatus::get().setStatusText( String( cbtext->string.utf16_char, call_data->data.text->length ) );
582         XIMUnicodeCharacterSubset* pSubset = NULL;
583         if( ! XGetICValues( ic,
584                             XNUnicodeCharacterSubset, & pSubset,
585                             NULL )
586             && pSubset )
587         {
588             ::vcl::I18NStatus::get().changeIM( String( ByteString( pSubset->name ), RTL_TEXTENCODING_UTF8 ) );
589 #if OSL_DEBUG_LEVEL > 1
590             fprintf( stderr, "got XNUnicodeCharacterSubset\n   %d\n   %d\n   %s\n   %d\n", pSubset->index, pSubset->subset_id, pSubset->name, pSubset->is_active );
591 #endif
592         }
593     }
594     else if( call_data->type == XIMTextType )
595     {
596         String aText;
597         if( call_data->data.text )
598         {
599             // XIM with text
600             sal_Char* pMBString = NULL;
601             size_t nLength = 0;
602             if( call_data->data.text->encoding_is_wchar )
603             {
604                 if( call_data->data.text->string.wide_char )
605                 {
606                     wchar_t* pWString = call_data->data.text->string.wide_char;
607                     size_t nBytes = wcstombs( NULL, pWString, 1024 );
608                     pMBString = (sal_Char*)alloca( nBytes+1 );
609                     nLength = wcstombs( pMBString, pWString, nBytes+1 );
610                 }
611             }
612             else
613             {
614                 if( call_data->data.text->string.multi_byte )
615                 {
616                     pMBString = call_data->data.text->string.multi_byte;
617                     nLength = strlen( pMBString );
618                 }
619             }
620             if( nLength )
621                 aText = String( pMBString, nLength, gsl_getSystemTextEncoding() );
622         }
623         ::vcl::I18NStatus::get().setStatusText( aText );
624     }
625 #if OSL_DEBUG_LEVEL > 1
626     else
627         fprintf( stderr, "XIMStatusDataType %s not supported\n",
628                  call_data->type == XIMBitmapType ? "XIMBitmapType" : ByteString::CreateFromInt32( call_data->type ).GetBuffer() );
629 #endif
630     return;
631 }
632 
633 void
SwitchIMCallback(XIC,XPointer,XPointer call_data)634 SwitchIMCallback (XIC, XPointer, XPointer call_data)
635 {
636     XIMSwitchIMNotifyCallbackStruct* pCallData = (XIMSwitchIMNotifyCallbackStruct*)call_data;
637     ::vcl::I18NStatus::get().changeIM( String( ByteString( pCallData->to->name ), RTL_TEXTENCODING_UTF8 ) );
638 }
639 
640 // ----------------------------------------------------------------------------------
641 //
642 // vii. destroy callbacks: internally disable all IC/IM calls
643 //
644 // ----------------------------------------------------------------------------------
645 
646 void
IC_IMDestroyCallback(XIM,XPointer client_data,XPointer)647 IC_IMDestroyCallback (XIM, XPointer client_data, XPointer)
648 {
649     SalI18N_InputContext *pContext = (SalI18N_InputContext*)client_data;
650     if (pContext != NULL)
651         pContext->HandleDestroyIM();
652 }
653 
654 void
IM_IMDestroyCallback(XIM,XPointer client_data,XPointer)655 IM_IMDestroyCallback (XIM, XPointer client_data, XPointer)
656 {
657     SalI18N_InputMethod *pMethod = (SalI18N_InputMethod*)client_data;
658     if (pMethod != NULL)
659         pMethod->HandleDestroyIM();
660 }
661