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1 /* This file is part of
2  * ======================================================
3  *
4  *           LyX, The Document Processor
5  *
6  *          Copyright 1995 Matthias Ettrich
7  *          Copyright 1995-2001 The LyX Team.
8  *
9  * ====================================================== */
10
11 #include <config.h>
12
13 #include "lyxfunc.h"
14 #include "version.h"
15 #include "kbmap.h"
16 #include "lyxrow.h"
17 #include "bufferlist.h"
18 #include "BufferView.h"
19 #include "lyxserver.h"
20 #include "intl.h"
21 #include "lyx_main.h"
22 #include "lyx_cb.h"
23 #include "LyXAction.h"
24 #include "debug.h"
25 #include "lyxrc.h"
26 #include "lyxtext.h"
27 #include "gettext.h"
28 #include "Lsstream.h"
29 #include "trans_mgr.h"
30 #include "encoding.h"
31 #include "layout.h"
32 #include "bufferview_funcs.h"
33 #include "frontends/LyXView.h"
34 #include "frontends/lyx_gui.h"
35 #include "vspace.h"
36 #include "FloatList.h"
37 #include "format.h"
38 #include "exporter.h"
39 #include "importer.h"
40 #include "TextCache.h"
41 #include "lyxfind.h"
42 #include "undo_funcs.h"
43 #include "ParagraphParameters.h"
44
45 #include "insets/insetcommand.h"
46 #include "insets/inseterror.h"
47 #include "insets/insetert.h"
48 #include "insets/insettabular.h"
49
50 #include "mathed/formulamacro.h"
51 #include "mathed/math_cursor.h"
52 #include "mathed/math_inset.h"
53
54 #include "frontends/FileDialog.h"
55 #include "frontends/Dialogs.h"
56 #include "frontends/Toolbar.h"
57 #include "frontends/Menubar.h"
58 #include "frontends/Alert.h"
59
60 #include "graphics/GraphicsCache.h"
61
62 #include "support/lyxalgo.h"
63 #include "support/LAssert.h"
64 #include "support/filetools.h"
65 #include "support/FileInfo.h"
66 #include "support/forkedcontr.h"
67 #include "support/lstrings.h"
68 #include "support/path.h"
69 #include "support/lyxfunctional.h"
70
71 #include "BoostFormat.h"
72
73 #include <ctime>
74 #include <clocale>
75 #include <cstdlib>
76 #include <cctype>
77
78 #include <utility>
79 #include <algorithm>
80
81 using std::pair;
82 using std::make_pair;
83 using std::endl;
84 using std::find_if;
85 using std::vector;
86 using std::transform;
87 using std::back_inserter;
88
89 extern BufferList bufferlist;
90 extern LyXServer * lyxserver;
91 extern bool selection_possible;
92
93 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
94
95 // (alkis)
96 extern tex_accent_struct get_accent(kb_action action);
97
98 extern void ShowLatexLog();
99
100
101 LyXFunc::LyXFunc(LyXView * o)
102         : owner(o),
103         encoded_last_key(0),
104         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
105         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
106         meta_fake_bit(key_modifier::none)
107 {
108 }
109
110
111 inline
112 LyXText * LyXFunc::TEXT(bool flag = true) const
113 {
114         if (flag)
115                 return view()->text;
116         return view()->getLyXText();
117 }
118
119
120 inline
121 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
122 {
123         if (selecting || TEXT(flag)->selection.mark()) {
124                 TEXT(flag)->setSelection(view());
125                 if (TEXT(flag)->isTopLevel())
126                     view()->toggleToggle();
127         }
128         view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
129         view()->showCursor();
130
131         view()->switchKeyMap();
132 }
133
134
135 void LyXFunc::handleKeyFunc(kb_action action)
136 {
137         char c = encoded_last_key;
138
139         if (keyseq.length()) {
140                 c = 0;
141         }
142
143         owner->getIntl().getTransManager()
144                 .deadkey(c, get_accent(action).accent, TEXT(false));
145         // Need to clear, in case the minibuffer calls these
146         // actions
147         keyseq.clear();
148         // copied verbatim from do_accent_char
149         view()->update(TEXT(false),
150                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
151         TEXT(false)->selection.cursor = TEXT(false)->cursor;
152 }
153
154
155 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
156                             key_modifier::state state)
157 {
158         string argument;
159
160         if (lyxerr.debugging(Debug::KEY)) {
161                 lyxerr << "KeySym is "
162                        << keysym->getSymbolName()
163                        << endl;
164         }
165
166         // Do nothing if we have nothing (JMarc)
167         if (!keysym->isOK()) {
168                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
169                                    << endl;
170                 return;
171         }
172
173         if (keysym->isModifier()) {
174                 lyxerr[Debug::KEY] << "isModifier true" << endl;
175                 return;
176         }
177
178         Encoding const * encoding = view()->getEncoding();
179
180         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
181
182         // Do a one-deep top-level lookup for
183         // cancel and meta-fake keys. RVDK_PATCH_5
184         cancel_meta_seq.reset();
185
186         int action = cancel_meta_seq.addkey(keysym, state);
187         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
188
189         // When not cancel or meta-fake, do the normal lookup.
190         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
191         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
192         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
193                 // remove Caps Lock and Mod2 as a modifiers
194                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
195                 lyxerr[Debug::KEY] << "action now set to ["
196                         << action << ']' << endl;
197         }
198
199         // Dont remove this unless you know what you are doing.
200         meta_fake_bit = key_modifier::none;
201
202         // can this happen now ?
203         if (action == LFUN_NOACTION) {
204                 action = LFUN_PREFIX;
205         }
206
207         if (lyxerr.debugging(Debug::KEY)) {
208                 lyxerr << "Key [action="
209                        << action << "]["
210                        << keyseq.print() << ']'
211                        << endl;
212         }
213
214         // already here we know if it any point in going further
215         // why not return already here if action == -1 and
216         // num_bytes == 0? (Lgb)
217
218         if (keyseq.length() > 1) {
219                 owner->message(keyseq.print());
220         }
221
222
223         // Maybe user can only reach the key via holding down shift.
224         // Let's see. But only if shift is the only modifier
225         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
226                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
227                 action = keyseq.addkey(keysym, key_modifier::none);
228                 lyxerr[Debug::KEY] << "Action now " << action << endl;
229         }
230
231         if (action == LFUN_UNKNOWN_ACTION) {
232                 // Hmm, we didn't match any of the keysequences. See
233                 // if it's normal insertable text not already covered
234                 // by a binding
235                 if (keysym->isText() && keyseq.length() == 1) {
236                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
237                         action = LFUN_SELFINSERT;
238                 } else {
239                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
240                         owner->message(_("Unknown function."));
241                         return;
242                 }
243         }
244
245         if (action == LFUN_SELFINSERT) {
246                 if (encoded_last_key != 0) {
247                         string arg;
248                         arg += encoded_last_key;
249
250                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
251
252                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
253                                    << argument << "']" << endl;
254                 }
255         } else {
256                 dispatch(action);
257         }
258 }
259
260
261 FuncStatus LyXFunc::getStatus(int ac) const
262 {
263         return getStatus(lyxaction.retrieveActionArg(ac));
264 }
265
266
267 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
268 {
269         FuncStatus flag;
270         Buffer * buf = owner->buffer();
271
272         if (ev.action == LFUN_NOACTION) {
273                 setStatusMessage(N_("Nothing to do"));
274                 return flag.disabled(true);
275         }
276
277         switch (ev.action) {
278         case LFUN_UNKNOWN_ACTION:
279 #ifndef HAVE_LIBAIKSAURUS
280         case LFUN_THESAURUS_ENTRY:
281 #endif
282                 flag.unknown(true);
283                 break;
284         default:
285                 flag |= lyx_gui::getStatus(ev);
286         }
287
288         if (flag.unknown()) {
289                 setStatusMessage(N_("Unknown action"));
290                 return flag;
291         }
292
293         // the default error message if we disable the command
294         setStatusMessage(N_("Command disabled"));
295
296         // Check whether we need a buffer
297         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
298                 // Yes we need a buffer, do we have one?
299                 if (buf) {
300                         // yes
301                         // Can we use a readonly buffer?
302                         if (buf->isReadonly() &&
303                             !lyxaction.funcHasFlag(ev.action,
304                                                    LyXAction::ReadOnly)) {
305                                 // no
306                                 setStatusMessage(N_("Document is read-only"));
307                                 flag.disabled(true);
308                         }
309                 } else {
310                         // no
311                         setStatusMessage(N_("Command not allowed with"
312                                            "out any document open"));
313                         return flag.disabled(true);
314                 }
315         }
316
317         UpdatableInset * tli = view()->theLockingInset();
318
319         // I would really like to avoid having this switch and rather try to
320         // encode this in the function itself.
321         bool disable = false;
322         switch (ev.action) {
323         case LFUN_MENUPRINT:
324                 disable = !Exporter::IsExportable(buf, "dvi")
325                         || lyxrc.print_command == "none";
326                 break;
327         case LFUN_EXPORT:
328                 disable = ev.argument != "custom"
329                         && !Exporter::IsExportable(buf, ev.argument);
330                 break;
331         case LFUN_UNDO:
332                 disable = buf->undostack.empty();
333                 break;
334         case LFUN_REDO:
335                 disable = buf->redostack.empty();
336                 break;
337         case LFUN_CUT:
338         case LFUN_COPY:
339                 if (tli) {
340                         UpdatableInset * in = tli;
341                         if (in->lyxCode() != Inset::TABULAR_CODE) {
342                                 in = tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
343                         }
344                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
345                                 disable = false;
346                                 break;
347                         }
348                 }
349                 disable = !mathcursor && !view()->getLyXText()->selection.set();
350                 break;
351         case LFUN_RUNCHKTEX:
352                 disable = lyxrc.chktex_command == "none";
353                 break;
354         case LFUN_BUILDPROG:
355                 disable = !Exporter::IsExportable(buf, "program");
356                 break;
357
358         case LFUN_LAYOUT_CHARACTER:
359                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
360                 break;
361
362         case LFUN_LAYOUT_TABULAR:
363                 disable = !tli
364                         || (tli->lyxCode() != Inset::TABULAR_CODE
365                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
366                 break;
367
368         case LFUN_LAYOUT:
369         case LFUN_LAYOUT_PARAGRAPH: {
370                 Inset * inset = TEXT(false)->cursor.par()->inInset();
371                 disable = inset && inset->forceDefaultParagraphs(inset);
372                 break;
373         }
374
375         case LFUN_INSET_OPTARG:
376                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
377                 break;
378
379         case LFUN_TABULAR_FEATURE:
380                 if (mathcursor) {
381 #if 0
382                         // FIXME: check temporarily disabled
383                         // valign code
384                         char align = mathcursor->valign();
385                         if (align == '\0') {
386                                 disable = true;
387                                 break;
388                         }
389                         if (ev.argument.empty()) {
390                                 flag.clear();
391                                 break;
392                         }
393                         if (!contains("tcb", ev.argument[0])) {
394                                 disable = true;
395                                 break;
396                         }
397                         flag.setOnOff(ev.argument[0] == align);
398                 } else
399                         disable = true;
400
401                         char align = mathcursor->halign();
402                         if (align == '\0') {
403                                 disable = true;
404                                 break;
405                         }
406                         if (ev.argument.empty()) {
407                                 flag.clear();
408                                 break;
409                         }
410                         if (!contains("lcr", ev.argument[0])) {
411                                 disable = true;
412                                 break;
413                         }
414                         flag.setOnOff(ev.argument[0] == align);
415 #endif
416
417                         disable = !mathcursor->halign();
418                         break;
419                 }
420
421                 if (tli) {
422                         FuncStatus ret;
423                         //ret.disabled(true);
424                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
425                                 ret = static_cast<InsetTabular *>(tli)
426                                         ->getStatus(ev.argument);
427                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
428                                 ret = static_cast<InsetTabular *>
429                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
430                                         ->getStatus(ev.argument);
431                         }
432                         flag |= ret;
433                         disable = false;
434                 } else {
435                         static InsetTabular inset(*owner->buffer(), 1, 1);
436                         FuncStatus ret;
437
438                         disable = true;
439                         ret = inset.getStatus(ev.argument);
440                         if (ret.onoff(true) || ret.onoff(false))
441                                 flag.setOnOff(false);
442                 }
443                 break;
444
445         case LFUN_VC_REGISTER:
446                 disable = buf->lyxvc.inUse();
447                 break;
448         case LFUN_VC_CHECKIN:
449                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
450                 break;
451         case LFUN_VC_CHECKOUT:
452                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
453                 break;
454         case LFUN_VC_REVERT:
455         case LFUN_VC_UNDO:
456         case LFUN_VC_HISTORY:
457                 disable = !buf->lyxvc.inUse();
458                 break;
459         case LFUN_MENURELOAD:
460                 disable = buf->isUnnamed() || buf->isClean();
461                 break;
462         case LFUN_BOOKMARK_GOTO:
463                 disable =  !view()->
464                         isSavedPosition(strToUnsignedInt(ev.argument));
465                 break;
466         case LFUN_MERGE_CHANGES:
467         case LFUN_ACCEPT_CHANGE:
468         case LFUN_REJECT_CHANGE:
469         case LFUN_ACCEPT_ALL_CHANGES:
470         case LFUN_REJECT_ALL_CHANGES:
471                 disable = !buf->params.tracking_changes;
472                 break;
473         case LFUN_INSET_TOGGLE: {
474                 LyXText * lt = view()->getLyXText();
475                 disable = !(isEditableInset(lt->getInset())
476                             || (lt->inset_owner
477                                 && lt->inset_owner->owner()
478                                 && lt->inset_owner->owner()->isOpen()));
479                 break;
480         }
481         case LFUN_LATEX_LOG:
482                 disable = !IsFileReadable(buf->getLogName().second);
483                 break;
484
485         case LFUN_MATH_MUTATE:
486                 if (mathcursor)
487                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
488                         flag.setOnOff(false);
489                 else
490                         disable = true;
491                 break;
492
493         // we just need to be in math mode to enable that
494         case LFUN_MATH_SIZE:
495         case LFUN_MATH_SPACE:
496         case LFUN_MATH_LIMITS:
497         case LFUN_MATH_NONUMBER:
498         case LFUN_MATH_NUMBER:
499         case LFUN_MATH_EXTERN:
500                 disable = !mathcursor;
501                 break;
502
503         default:
504                 break;
505         }
506
507         // the functions which insert insets
508         Inset::Code code = Inset::NO_CODE;
509         switch (ev.action) {
510         case LFUN_DIALOG_SHOW_NEW_INSET:
511                 if (ev.argument == "bibitem")
512                         code = Inset::BIBITEM_CODE;
513                 else if (ev.argument == "bibtex")
514                         code = Inset::BIBTEX_CODE;
515                 else if (ev.argument == "citation")
516                         code = Inset::CITE_CODE;
517                 else if (ev.argument == "ert")
518                         code = Inset::ERT_CODE;
519                 else if (ev.argument == "external")
520                         code = Inset::EXTERNAL_CODE;
521                 else if (ev.argument == "float")
522                         code = Inset::FLOAT_CODE;
523                 else if (ev.argument == "graphics")
524                         code = Inset::GRAPHICS_CODE;
525                 else if (ev.argument == "include")
526                         code = Inset::INCLUDE_CODE;
527                 else if (ev.argument == "index")
528                         code = Inset::INDEX_CODE;
529                 else if (ev.argument == "label")
530                         code = Inset::LABEL_CODE;
531                 else if (ev.argument == "minipage")
532                         code = Inset::MINIPAGE_CODE;
533                 else if (ev.argument == "ref")
534                         code = Inset::REF_CODE;
535                 else if (ev.argument == "toc")
536                         code = Inset::TOC_CODE;
537                 else if (ev.argument == "url")
538                         code = Inset::URL_CODE;
539                 else if (ev.argument == "wrap")
540                         code = Inset::WRAP_CODE;
541                 break;
542
543         case LFUN_INSET_ERT:
544                 code = Inset::ERT_CODE;
545                 break;
546         case LFUN_INSET_FOOTNOTE:
547                 code = Inset::FOOT_CODE;
548                 break;
549         case LFUN_TABULAR_INSERT:
550                 code = Inset::TABULAR_CODE;
551                 break;
552         case LFUN_INSET_MARGINAL:
553                 code = Inset::MARGIN_CODE;
554                 break;
555         case LFUN_INSET_MINIPAGE:
556                 code = Inset::MINIPAGE_CODE;
557                 break;
558         case LFUN_INSET_FLOAT:
559         case LFUN_INSET_WIDE_FLOAT:
560                 code = Inset::FLOAT_CODE;
561                 break;
562         case LFUN_INSET_WRAP:
563                 code = Inset::WRAP_CODE;
564                 break;
565         case LFUN_FLOAT_LIST:
566                 code = Inset::FLOAT_LIST_CODE;
567                 break;
568 #if 0
569         case LFUN_INSET_LIST:
570                 code = Inset::LIST_CODE;
571                 break;
572         case LFUN_INSET_THEOREM:
573                 code = Inset::THEOREM_CODE;
574                 break;
575 #endif
576         case LFUN_INSET_CAPTION:
577                 code = Inset::CAPTION_CODE;
578                 break;
579         case LFUN_INSERT_NOTE:
580                 code = Inset::NOTE_CODE;
581                 break;
582         case LFUN_INSERT_LABEL:
583                 code = Inset::LABEL_CODE;
584                 break;
585         case LFUN_INSET_OPTARG:
586                 code = Inset::OPTARG_CODE;
587                 break;
588         case LFUN_ENVIRONMENT_INSERT:
589                 code = Inset::MINIPAGE_CODE;
590                 break;
591         case LFUN_INDEX_INSERT:
592                 code = Inset::INDEX_CODE;
593                 break;
594         case LFUN_INDEX_PRINT:
595                 code = Inset::INDEX_PRINT_CODE;
596                 break;
597         case LFUN_TOC_INSERT:
598                 code = Inset::TOC_CODE;
599                 break;
600         case LFUN_PARENTINSERT:
601                 code = Inset::PARENT_CODE;
602                 break;
603         case LFUN_HTMLURL:
604         case LFUN_URL:
605                 code = Inset::URL_CODE;
606                 break;
607         case LFUN_QUOTE:
608                 // always allow this, since we will inset a raw quote
609                 // if an inset is not allowed.
610                 break;
611         case LFUN_HYPHENATION:
612         case LFUN_LIGATURE_BREAK:
613         case LFUN_HFILL:
614         case LFUN_MENU_SEPARATOR:
615         case LFUN_LDOTS:
616         case LFUN_END_OF_SENTENCE:
617                 code = Inset::SPECIALCHAR_CODE;
618                 break;
619         case LFUN_PROTECTEDSPACE:
620                 // slight hack: we know this is allowed in math mode
621                 if (!mathcursor)
622                         code = Inset::SPECIALCHAR_CODE;
623                 break;
624         default:
625                 break;
626         }
627         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
628                 disable = true;
629
630         if (disable)
631                 flag.disabled(true);
632
633         // A few general toggles
634         switch (ev.action) {
635         case LFUN_TOOLTIPS_TOGGLE:
636                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
637                 break;
638
639         case LFUN_READ_ONLY_TOGGLE:
640                 flag.setOnOff(buf->isReadonly());
641                 break;
642         case LFUN_APPENDIX:
643                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
644                 break;
645         case LFUN_SWITCHBUFFER:
646                 // toggle on the current buffer, but do not toggle off
647                 // the other ones (is that a good idea?)
648                 if (ev.argument == buf->fileName())
649                         flag.setOnOff(true);
650                 break;
651         case LFUN_TRACK_CHANGES:
652                 flag.setOnOff(buf->params.tracking_changes);
653                 break;
654         default:
655                 break;
656         }
657
658         // the font related toggles
659         if (!mathcursor) {
660                 LyXFont const & font = TEXT(false)->real_current_font;
661                 switch (ev.action) {
662                 case LFUN_EMPH:
663                         flag.setOnOff(font.emph() == LyXFont::ON);
664                         break;
665                 case LFUN_NOUN:
666                         flag.setOnOff(font.noun() == LyXFont::ON);
667                         break;
668                 case LFUN_BOLD:
669                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
670                         break;
671                 case LFUN_SANS:
672                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
673                         break;
674                 case LFUN_ROMAN:
675                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
676                         break;
677                 case LFUN_CODE:
678                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
679                         break;
680                 default:
681                         break;
682                 }
683         } else {
684                 string tc = mathcursor->getLastCode();
685                 switch (ev.action) {
686                 case LFUN_BOLD:
687                         flag.setOnOff(tc == "mathbf");
688                         break;
689                 case LFUN_SANS:
690                         flag.setOnOff(tc == "mathsf");
691                         break;
692                 case LFUN_EMPH:
693                         flag.setOnOff(tc == "mathcal");
694                         break;
695                 case LFUN_ROMAN:
696                         flag.setOnOff(tc == "mathrm");
697                         break;
698                 case LFUN_CODE:
699                         flag.setOnOff(tc == "mathtt");
700                         break;
701                 case LFUN_NOUN:
702                         flag.setOnOff(tc == "mathbb");
703                         break;
704                 case LFUN_DEFAULT:
705                         flag.setOnOff(tc == "mathnormal");
706                         break;
707                 default:
708                         break;
709                 }
710         }
711
712         // this one is difficult to get right. As a half-baked
713         // solution, we consider only the first action of the sequence
714         if (ev.action == LFUN_SEQUENCE) {
715                 // argument contains ';'-terminated commands
716                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
717         }
718
719         return flag;
720 }
721
722
723 void LyXFunc::dispatch(string const & s, bool verbose)
724 {
725         int const action = lyxaction.LookupFunc(s);
726
727         if (action == LFUN_UNKNOWN_ACTION) {
728 #if USE_BOOST_FORMAT
729 boost::format fmt(_("Unknown function (%1$s)"));
730 fmt % s;
731 owner->message(fmt.str());
732 #else
733                 string const msg = string(_("Unknown function ("))
734                         + s + ')';
735                 owner->message(msg);
736 #endif
737                 return;
738         }
739
740         dispatch(action, verbose);
741 }
742
743
744 void LyXFunc::dispatch(int ac, bool verbose)
745 {
746         dispatch(lyxaction.retrieveActionArg(ac), verbose);
747 }
748
749
750
751 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
752 {
753         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
754                               <<"] arg[" << ev.argument << ']' << endl;
755
756         // we have not done anything wrong yet.
757         errorstat = false;
758         dispatch_buffer.erase();
759
760 #ifdef NEW_DISPATCHER
761         // We try do call the most specific dispatcher first:
762         //  1. the lockinginset's dispatch
763         //  2. the bufferview's dispatch
764         //  3. the lyxview's dispatch
765 #endif
766
767         selection_possible = false;
768
769         if (view()->available())
770                 view()->hideCursor();
771
772         string argument = ev.argument;
773         kb_action action = ev.action;
774
775         // We cannot use this function here
776         if (getStatus(ev).disabled()) {
777                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
778                        << lyxaction.getActionName(action)
779                        << " [" << action << "] is disabled at this location"
780                        << endl;
781                 setErrorMessage(getStatusMessage());
782                 goto exit_with_message;
783         }
784
785         if (view()->available() && view()->theLockingInset()) {
786                 Inset::RESULT result;
787                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
788                                      (!keyseq.deleted())))
789                 {
790                         UpdatableInset * inset = view()->theLockingInset();
791 #if 1
792                         int inset_x;
793                         int dummy_y;
794                         inset->getCursorPos(view(), inset_x, dummy_y);
795 #endif
796                         if ((action == LFUN_UNKNOWN_ACTION)
797                             && argument.empty()) {
798                                 argument = encoded_last_key;
799                         }
800                         // Undo/Redo is a bit tricky for insets.
801                         if (action == LFUN_UNDO) {
802                                 view()->undo();
803                                 goto exit_with_message;
804                         } else if (action == LFUN_REDO) {
805                                 view()->redo();
806                                 goto exit_with_message;
807                         } else if (((result=inset->
808                                      // Hand-over to inset's own dispatch:
809                                      localDispatch(FuncRequest(view(), action, argument))) ==
810                                     DISPATCHED) ||
811                                    (result == DISPATCHED_NOUPDATE))
812                                 goto exit_with_message;
813                                         // If UNDISPATCHED, just soldier on
814                         else if (result == FINISHED) {
815                                 goto exit_with_message;
816                                 // We do not need special RTL handling here:
817                                 // FINISHED means that the cursor should be
818                                 // one position after the inset.
819                         } else if (result == FINISHED_RIGHT) {
820                                 TEXT()->cursorRight(view());
821                                 moveCursorUpdate(true, false);
822                                 owner->view_state_changed();
823                                 goto exit_with_message;
824                         } else if (result == FINISHED_UP) {
825                                 if (TEXT()->cursor.irow()->previous()) {
826 #if 1
827                                         TEXT()->setCursorFromCoordinates(
828                                                 view(), TEXT()->cursor.ix() + inset_x,
829                                                 TEXT()->cursor.iy() -
830                                                 TEXT()->cursor.irow()->baseline() - 1);
831                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
832 #else
833                                         TEXT()->cursorUp(view());
834 #endif
835                                         moveCursorUpdate(true, false);
836                                         owner->view_state_changed();
837                                 } else {
838                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
839                                 }
840                                 goto exit_with_message;
841                         } else if (result == FINISHED_DOWN) {
842                                 if (TEXT()->cursor.irow()->next()) {
843 #if 1
844                                         TEXT()->setCursorFromCoordinates(
845                                                 view(), TEXT()->cursor.ix() + inset_x,
846                                                 TEXT()->cursor.iy() -
847                                                 TEXT()->cursor.irow()->baseline() +
848                                                 TEXT()->cursor.irow()->height() + 1);
849                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
850 #else
851                                         TEXT()->cursorDown(view());
852 #endif
853                                 } else {
854                                         TEXT()->cursorRight(view());
855                                 }
856                                 moveCursorUpdate(true, false);
857                                 owner->view_state_changed();
858                                 goto exit_with_message;
859                         }
860 #warning I am not sure this is still right, please have a look! (Jug 20020417)
861                         else { // result == UNDISPATCHED
862                                 //setMessage(N_("Text mode"));
863                                 switch (action) {
864                                 case LFUN_UNKNOWN_ACTION:
865                                 case LFUN_BREAKPARAGRAPH:
866                                 case LFUN_BREAKLINE:
867                                         TEXT()->cursorRight(view());
868                                         view()->switchKeyMap();
869                                         owner->view_state_changed();
870                                         break;
871                                 case LFUN_RIGHT:
872                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
873                                                 TEXT()->cursorRight(view());
874                                                 moveCursorUpdate(true, false);
875                                                 owner->view_state_changed();
876                                         }
877                                         goto exit_with_message;
878                                 case LFUN_LEFT:
879                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
880                                                 TEXT()->cursorRight(view());
881                                                 moveCursorUpdate(true, false);
882                                                 owner->view_state_changed();
883                                         }
884                                         goto exit_with_message;
885                                 case LFUN_DOWN:
886                                         if (TEXT()->cursor.row()->next())
887                                                 TEXT()->cursorDown(view());
888                                         else
889                                                 TEXT()->cursorRight(view());
890                                         moveCursorUpdate(true, false);
891                                         owner->view_state_changed();
892                                         goto exit_with_message;
893                                 default:
894                                         break;
895                                 }
896                         }
897                 }
898         }
899
900         switch (action) {
901
902         case LFUN_ESCAPE:
903         {
904                 if (!view()->available()) break;
905                 // this function should be used always [asierra060396]
906                 UpdatableInset * tli =
907                         view()->theLockingInset();
908                 if (tli) {
909                         UpdatableInset * lock = tli->getLockingInset();
910
911                         if (tli == lock) {
912                                 view()->unlockInset(tli);
913                                 TEXT()->cursorRight(view());
914                                 moveCursorUpdate(true, false);
915                                 owner->view_state_changed();
916                         } else {
917                                 tli->unlockInsetInInset(view(),
918                                                         lock,
919                                                         true);
920                         }
921                         finishUndo();
922                         // Tell the paragraph dialog that we changed paragraph
923                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
924                 }
925         }
926         break;
927
928                 // --- Misc -------------------------------------------
929         case LFUN_WORDFINDFORWARD  :
930         case LFUN_WORDFINDBACKWARD : {
931                 static string last_search;
932                 string searched_string;
933
934                 if (!argument.empty()) {
935                         last_search = argument;
936                         searched_string = argument;
937                 } else {
938                         searched_string = last_search;
939                 }
940                 bool fw = (action == LFUN_WORDFINDFORWARD);
941                 if (!searched_string.empty()) {
942                         lyxfind::LyXFind(view(), searched_string, fw);
943                 }
944 //              view()->showCursor();
945         }
946         break;
947
948         case LFUN_PREFIX:
949         {
950                 if (view()->available() && !view()->theLockingInset()) {
951                         view()->update(TEXT(),
952                                               BufferView::SELECT|BufferView::FITCUR);
953                 }
954                 owner->message(keyseq.printOptions());
955         }
956         break;
957
958         // --- Misc -------------------------------------------
959         case LFUN_EXEC_COMMAND:
960                 owner->focus_command_buffer();
961                 break;
962
963         case LFUN_CANCEL:                   // RVDK_PATCH_5
964                 keyseq.reset();
965                 meta_fake_bit = key_modifier::none;
966                 if (view()->available())
967                         // cancel any selection
968                         dispatch(LFUN_MARK_OFF);
969                 setMessage(N_("Cancel"));
970                 break;
971
972         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
973         {
974                 meta_fake_bit = key_modifier::alt;
975                 setMessage(keyseq.print());
976         }
977         break;
978
979         case LFUN_READ_ONLY_TOGGLE:
980                 if (owner->buffer()->lyxvc.inUse()) {
981                         owner->buffer()->lyxvc.toggleReadOnly();
982                 } else {
983                         owner->buffer()->setReadonly(
984                                 !owner->buffer()->isReadonly());
985                 }
986                 break;
987
988         case LFUN_CENTER: // this is center and redraw.
989                 view()->center();
990                 break;
991
992                 // --- Menus -----------------------------------------------
993         case LFUN_MENUNEW:
994                 menuNew(argument, false);
995                 break;
996
997         case LFUN_MENUNEWTMPLT:
998                 menuNew(argument, true);
999                 break;
1000
1001         case LFUN_CLOSEBUFFER:
1002                 closeBuffer();
1003                 break;
1004
1005         case LFUN_MENUWRITE:
1006                 if (!owner->buffer()->isUnnamed()) {
1007                         ostringstream s1;
1008 #if USE_BOOST_FORMAT
1009                         s1 << boost::format(_("Saving document %1$s..."))
1010                            % MakeDisplayPath(owner->buffer()->fileName());
1011 #else
1012                         s1 << _("Saving document ")
1013                            << MakeDisplayPath(owner->buffer()->fileName())
1014                            << _("...");
1015 #endif
1016                         owner->message(STRCONV(s1.str()));
1017                         MenuWrite(view(), owner->buffer());
1018                         s1 << _(" done.");
1019                         owner->message(STRCONV(s1.str()));
1020                 } else
1021                         WriteAs(view(), owner->buffer());
1022                 break;
1023
1024         case LFUN_WRITEAS:
1025                 WriteAs(view(), owner->buffer(), argument);
1026                 break;
1027
1028         case LFUN_MENURELOAD:
1029                 view()->reload();
1030                 break;
1031
1032         case LFUN_UPDATE:
1033                 Exporter::Export(owner->buffer(), argument, true);
1034                 break;
1035
1036         case LFUN_PREVIEW:
1037                 Exporter::Preview(owner->buffer(), argument);
1038                 break;
1039
1040         case LFUN_BUILDPROG:
1041                 Exporter::Export(owner->buffer(), "program", true);
1042                 break;
1043
1044         case LFUN_RUNCHKTEX:
1045                 MenuRunChktex(owner->buffer());
1046                 break;
1047
1048         case LFUN_MENUPRINT:
1049                 owner->getDialogs().showPrint();
1050                 break;
1051
1052         case LFUN_EXPORT:
1053                 if (argument == "custom")
1054                         owner->getDialogs().showSendto();
1055                 else
1056                         Exporter::Export(owner->buffer(), argument, false);
1057                 break;
1058
1059         case LFUN_IMPORT:
1060                 doImport(argument);
1061                 break;
1062
1063         case LFUN_QUIT:
1064                 QuitLyX();
1065                 break;
1066
1067         case LFUN_TOCVIEW:
1068         {
1069                 InsetCommandParams p("tableofcontents");
1070                 string const data = InsetCommandMailer::params2string("toc", p);
1071                 owner->getDialogs().show("toc", data, 0);
1072                 break;
1073         }
1074
1075         case LFUN_AUTOSAVE:
1076                 AutoSave(view());
1077                 break;
1078
1079         case LFUN_UNDO:
1080                 view()->undo();
1081                 break;
1082
1083         case LFUN_REDO:
1084                 view()->redo();
1085                 break;
1086
1087         case LFUN_MENUSEARCH:
1088                 owner->getDialogs().showSearch();
1089                 break;
1090
1091         case LFUN_REMOVEERRORS:
1092                 if (view()->removeAutoInsets()) {
1093 #warning repaint() or update() or nothing ?
1094                         view()->repaint();
1095                         view()->fitCursor();
1096                 }
1097                 break;
1098
1099         case LFUN_DEPTH_MIN:
1100                 changeDepth(view(), TEXT(false), -1);
1101                 break;
1102
1103         case LFUN_DEPTH_PLUS:
1104                 changeDepth(view(), TEXT(false), 1);
1105                 break;
1106
1107         case LFUN_FREEFONT_APPLY:
1108                 apply_freefont(view());
1109                 break;
1110
1111         case LFUN_FREEFONT_UPDATE:
1112                 update_and_apply_freefont(view(), argument);
1113                 break;
1114
1115         case LFUN_RECONFIGURE:
1116                 Reconfigure(view());
1117                 break;
1118
1119 #if 0
1120         case LFUN_FLOATSOPERATE:
1121                 if (argument == "openfoot")
1122                         view()->allFloats(1,0);
1123                 else if (argument == "closefoot")
1124                         view()->allFloats(0,0);
1125                 else if (argument == "openfig")
1126                         view()->allFloats(1,1);
1127                 else if (argument == "closefig")
1128                         view()->allFloats(0,1);
1129                 break;
1130 #else
1131 #ifdef WITH_WARNINGS
1132 //#warning Find another implementation here (or another lyxfunc)!
1133 #endif
1134 #endif
1135         case LFUN_HELP_ABOUTLYX:
1136                 owner->getDialogs().show("about");
1137                 break;
1138
1139         case LFUN_HELP_TEXINFO:
1140                 owner->getDialogs().showTexinfo();
1141                 break;
1142
1143         case LFUN_HELP_OPEN:
1144         {
1145                 string const arg = argument;
1146                 if (arg.empty()) {
1147                         setErrorMessage(N_("Missing argument"));
1148                         break;
1149                 }
1150                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1151                 if (fname.empty()) {
1152                         lyxerr << "LyX: unable to find documentation file `"
1153                                << arg << "'. Bad installation?" << endl;
1154                         break;
1155                 }
1156                 ostringstream str;
1157 #if USE_BOOST_FORMAT
1158                 str << boost::format(_("Opening help file %1$s..."))
1159                     % MakeDisplayPath(fname);
1160 #else
1161                 str << _("Opening help file ")
1162                     << MakeDisplayPath(fname) << _("...");
1163 #endif
1164                 owner->message(STRCONV(str.str()));
1165                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1166                 break;
1167         }
1168
1169                 // --- version control -------------------------------
1170         case LFUN_VC_REGISTER:
1171         {
1172                 if (!owner->buffer()->lyxvc.inUse())
1173                         owner->buffer()->lyxvc.registrer();
1174         }
1175         break;
1176
1177         case LFUN_VC_CHECKIN:
1178         {
1179                 if (owner->buffer()->lyxvc.inUse()
1180                     && !owner->buffer()->isReadonly())
1181                         owner->buffer()->lyxvc.checkIn();
1182         }
1183         break;
1184
1185         case LFUN_VC_CHECKOUT:
1186         {
1187                 if (owner->buffer()->lyxvc.inUse()
1188                     && owner->buffer()->isReadonly())
1189                         owner->buffer()->lyxvc.checkOut();
1190         }
1191         break;
1192
1193         case LFUN_VC_REVERT:
1194         {
1195                 owner->buffer()->lyxvc.revert();
1196         }
1197         break;
1198
1199         case LFUN_VC_UNDO:
1200         {
1201                 owner->buffer()->lyxvc.undoLast();
1202         }
1203         break;
1204
1205         case LFUN_VC_HISTORY:
1206         {
1207                 owner->getDialogs().showVCLogFile();
1208                 break;
1209         }
1210
1211         // --- buffers ----------------------------------------
1212
1213         case LFUN_SWITCHBUFFER:
1214                 view()->buffer(bufferlist.getBuffer(argument));
1215                 break;
1216
1217         case LFUN_FILE_NEW:
1218         {
1219                 // servercmd: argument must be <file>:<template>
1220                 Buffer * tmpbuf = NewFile(argument);
1221                 if (tmpbuf)
1222                         view()->buffer(tmpbuf);
1223         }
1224         break;
1225
1226         case LFUN_FILE_OPEN:
1227                 open(argument);
1228                 break;
1229
1230         case LFUN_LATEX_LOG:
1231                 owner->getDialogs().showLogFile();
1232                 break;
1233
1234         case LFUN_LAYOUT_DOCUMENT:
1235                 owner->getDialogs().showDocument();
1236                 break;
1237
1238         case LFUN_LAYOUT_CHARACTER: {
1239                 string data = freefont2string();
1240                 if (!data.empty())
1241                         owner->getDialogs().show("character", data);
1242                 break;
1243         }
1244
1245         case LFUN_LAYOUT_TABULAR:
1246             if (view()->theLockingInset()) {
1247                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1248                     InsetTabular * inset = static_cast<InsetTabular *>
1249                         (view()->theLockingInset());
1250                     inset->openLayoutDialog(view());
1251                 } else if (view()->theLockingInset()->
1252                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1253                     InsetTabular * inset = static_cast<InsetTabular *>(
1254                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1255                     inset->openLayoutDialog(view());
1256                 }
1257             }
1258             break;
1259
1260         case LFUN_LAYOUT_PREAMBLE:
1261                 owner->getDialogs().showPreamble();
1262                 break;
1263
1264         case LFUN_DROP_LAYOUTS_CHOICE:
1265                 owner->getToolbar().openLayoutList();
1266                 break;
1267
1268         case LFUN_MENU_OPEN_BY_NAME:
1269                 owner->getMenubar().openByName(argument);
1270                 break; // RVDK_PATCH_5
1271
1272         case LFUN_SPELLCHECK:
1273                 owner->getDialogs().showSpellchecker();
1274                 break;
1275
1276         // --- lyxserver commands ----------------------------
1277
1278
1279         case LFUN_GETNAME:
1280                 setMessage(owner->buffer()->fileName());
1281                 lyxerr[Debug::INFO] << "FNAME["
1282                                << owner->buffer()->fileName()
1283                                << "] " << endl;
1284                 break;
1285
1286         case LFUN_NOTIFY:
1287         {
1288                 dispatch_buffer = keyseq.print();
1289                 lyxserver->notifyClient(dispatch_buffer);
1290         }
1291         break;
1292
1293         case LFUN_GOTOFILEROW:
1294         {
1295                 string file_name;
1296                 int row;
1297                 istringstream istr(argument.c_str());
1298                 istr >> file_name >> row;
1299                 // Must replace extension of the file to be .lyx and get full path
1300                 string const s(ChangeExtension(file_name, ".lyx"));
1301
1302                 // Either change buffer or load the file
1303                 if (bufferlist.exists(s)) {
1304                         view()->buffer(bufferlist.getBuffer(s));
1305                 } else {
1306                         view()->buffer(bufferlist.loadLyXFile(s));
1307                 }
1308
1309                 view()->setCursorFromRow(row);
1310
1311                 view()->center();
1312                 // see BufferView_pimpl::center()
1313                 view()->updateScrollbar();
1314         }
1315         break;
1316
1317         case LFUN_GOTO_PARAGRAPH:
1318         {
1319                 istringstream istr(argument.c_str());
1320
1321                 int id;
1322                 istr >> id;
1323                 Paragraph * par = owner->buffer()->getParFromID(id);
1324                 if (par == 0) {
1325                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1326                                             << id << ']' << endl;
1327                         break;
1328                 } else {
1329                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1330                                             << " found." << endl;
1331                 }
1332
1333                 if (view()->theLockingInset())
1334                         view()->unlockInset(view()->theLockingInset());
1335                 if (par->inInset()) {
1336                         par->inInset()->edit(view());
1337                 }
1338                 // Set the cursor
1339                 view()->getLyXText()->setCursor(view(), par, 0);
1340                 view()->switchKeyMap();
1341                 owner->view_state_changed();
1342
1343                 view()->center();
1344                 // see BufferView_pimpl::center()
1345                 view()->updateScrollbar();
1346         }
1347         break;
1348
1349         case LFUN_APROPOS:
1350         case LFUN_GETTIP:
1351         {
1352                 int const qa = lyxaction.LookupFunc(argument);
1353                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1354         }
1355         break;
1356
1357         // --- insert characters ----------------------------------------
1358
1359         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1360         case LFUN_MATH_EXTERN:
1361         case LFUN_MATH_NUMBER:
1362         case LFUN_MATH_NONUMBER:
1363         case LFUN_MATH_LIMITS:
1364         {
1365                 setErrorMessage(N_("This is only allowed in math mode!"));
1366         }
1367         break;
1368
1369         // passthrough hat and underscore outside mathed:
1370         case LFUN_SUBSCRIPT:
1371                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1372                 break;
1373         case LFUN_SUPERSCRIPT:
1374                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1375                 break;
1376
1377         case LFUN_MATH_PANEL:
1378                 owner->getDialogs().showMathPanel();
1379                 break;
1380
1381         case LFUN_DIALOG_SHOW_NEW_INSET: {
1382                 string const & name = argument;
1383                 string data;
1384                 if (name == "bibitem" ||
1385                     name == "bibtex" ||
1386                     name == "include" ||
1387                     name == "index" ||
1388                     name == "ref" ||
1389                     name == "toc" ||
1390                     name == "url") {
1391                         InsetCommandParams p(name);
1392                         data = InsetCommandMailer::params2string(name, p);
1393                 } else if (name == "citation") {
1394                         InsetCommandParams p("cite");
1395                         data = InsetCommandMailer::params2string(name, p);
1396                 }
1397                 owner->getDialogs().show(name, data, 0);
1398         }
1399         break;
1400
1401         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1402         }
1403         break;
1404
1405         case LFUN_DIALOG_UPDATE: {
1406                 string const & name = argument;
1407                 // Can only update a dialog connected to an existing inset
1408                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1409                 if (inset) {
1410                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1411                                        ev.argument);
1412                         inset->localDispatch(fr);
1413                 } else if (name == "paragraph") {
1414                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1415                 }
1416         }
1417         break;
1418
1419         case LFUN_DIALOG_HIDE:
1420                 Dialogs::hide(argument, 0);
1421                 break;
1422
1423         case LFUN_DIALOG_DISCONNECT_INSET:
1424                 owner->getDialogs().disconnect(argument);
1425                 break;
1426
1427         case LFUN_CHILDOPEN:
1428         {
1429                 string const filename =
1430                         MakeAbsPath(argument,
1431                                     owner->buffer()->filePath());
1432                 setMessage(N_("Opening child document ") +
1433                            MakeDisplayPath(filename) + "...");
1434                 view()->savePosition(0);
1435                 if (bufferlist.exists(filename))
1436                         view()->buffer(bufferlist.getBuffer(filename));
1437                 else
1438                         view()->buffer(bufferlist.loadLyXFile(filename));
1439         }
1440         break;
1441
1442         case LFUN_TOGGLECURSORFOLLOW:
1443                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1444                 break;
1445
1446         case LFUN_KMAP_OFF:
1447                 owner->getIntl().KeyMapOn(false);
1448                 break;
1449
1450         case LFUN_KMAP_PRIM:
1451                 owner->getIntl().KeyMapPrim();
1452                 break;
1453
1454         case LFUN_KMAP_SEC:
1455                 owner->getIntl().KeyMapSec();
1456                 break;
1457
1458         case LFUN_KMAP_TOGGLE:
1459                 owner->getIntl().ToggleKeyMap();
1460                 break;
1461
1462         case LFUN_SEQUENCE:
1463         {
1464                 // argument contains ';'-terminated commands
1465                 while (!argument.empty()) {
1466                         string first;
1467                         argument = split(argument, first, ';');
1468                         dispatch(first);
1469                 }
1470         }
1471         break;
1472
1473         case LFUN_DIALOG_PREFERENCES:
1474                 owner->getDialogs().showPreferences();
1475                 break;
1476
1477         case LFUN_SAVEPREFERENCES:
1478         {
1479                 Path p(user_lyxdir);
1480                 lyxrc.write("preferences");
1481         }
1482         break;
1483
1484         case LFUN_SCREEN_FONT_UPDATE:
1485         {
1486                 // handle the screen font changes.
1487                 lyxrc.set_font_norm_type();
1488                 lyx_gui::update_fonts();
1489                 // We also need to empty the textcache so that
1490                 // the buffer will be formatted correctly after
1491                 // a zoom change.
1492                 textcache.clear();
1493                 // Of course we should only do the resize and the textcache.clear
1494                 // if values really changed...but not very important right now. (Lgb)
1495                 // All visible buffers will need resize
1496                 view()->resize();
1497                 view()->repaint();
1498         }
1499         break;
1500
1501         case LFUN_SET_COLOR:
1502         {
1503                 string lyx_name;
1504                 string const x11_name = split(argument, lyx_name, ' ');
1505                 if (lyx_name.empty() || x11_name.empty()) {
1506                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1507                                                 " <x11_name>"));
1508                         break;
1509                         }
1510
1511                 bool const graphicsbg_changed =
1512                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1513                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1514
1515                 if (!lcolor.setColor(lyx_name, x11_name)) {
1516 #if USE_BOOST_FORMAT
1517                         setErrorMessage(
1518                                 boost::io::str(
1519                                         boost::format(
1520                                                 _("Set-color \"%1$s\" failed "
1521                                                   "- color is undefined or "
1522                                                   "may not be redefined"))
1523                                         % lyx_name));
1524 #else
1525                         setErrorMessage(_("Set-color ") + lyx_name
1526                                         + _(" failed - color is undefined"
1527                                             " or may not be redefined"));
1528 #endif
1529
1530                         break;
1531                 }
1532
1533                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1534
1535                 if (graphicsbg_changed) {
1536 #ifdef WITH_WARNINGS
1537 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1538 #endif
1539 #if 0
1540                         grfx::GCache & gc = grfx::GCache::get();
1541                         gc.changeDisplay(true);
1542 #endif
1543                 }
1544
1545                 view()->repaint();
1546                 break;
1547         }
1548
1549         case LFUN_MESSAGE:
1550                 owner->message(argument);
1551                 break;
1552
1553         case LFUN_FORKS_SHOW:
1554                 owner->getDialogs().showForks();
1555                 break;
1556
1557         case LFUN_FORKS_KILL:
1558         {
1559                 if (!isStrInt(argument))
1560                         break;
1561
1562                 pid_t const pid = strToInt(argument);
1563                 ForkedcallsController & fcc = ForkedcallsController::get();
1564                 fcc.kill(pid);
1565                 break;
1566         }
1567
1568         case LFUN_TOOLTIPS_TOGGLE:
1569                 owner->getDialogs().toggleTooltips();
1570                 break;
1571
1572         default:
1573                 // Then if it was none of the above
1574                 // Trying the BufferView::pimpl dispatch:
1575                 if (!view()->dispatch(ev))
1576                         lyxerr << "A truly unknown func ["
1577                                << lyxaction.getActionName(ev.action) << "]!"
1578                                << endl;
1579                 break;
1580         } // end of switch
1581
1582 exit_with_message:
1583         sendDispatchMessage(getMessage(), ev, verbose);
1584 }
1585
1586
1587 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1588 {
1589         owner->updateMenubar();
1590         owner->updateToolbar();
1591
1592         if (ev.action == LFUN_SELFINSERT || !verbose) {
1593                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1594                 if (!msg.empty())
1595                         owner->message(msg);
1596                 return;
1597         }
1598
1599         string dispatch_msg = msg;
1600         if (!dispatch_msg.empty())
1601                 dispatch_msg += ' ';
1602
1603         string comname = lyxaction.getActionName(ev.action);
1604
1605         int pseudoaction = ev.action;
1606         bool argsadded = false;
1607
1608         if (!ev.argument.empty()) {
1609                 // the pseudoaction is useful for the bindings
1610                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1611
1612                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1613                         pseudoaction = ev.action;
1614                 } else {
1615                         comname += ' ' + ev.argument;
1616                         argsadded = true;
1617                 }
1618         }
1619
1620         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1621
1622         if (!shortcuts.empty()) {
1623                 comname += ": " + shortcuts;
1624         } else if (!argsadded && !ev.argument.empty()) {
1625                 comname += ' ' + ev.argument;
1626         }
1627
1628         if (!comname.empty()) {
1629                 comname = rtrim(comname);
1630                 dispatch_msg += '(' + comname + ')';
1631         }
1632
1633         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1634         if (!dispatch_msg.empty())
1635                 owner->message(dispatch_msg);
1636 }
1637
1638
1639 void LyXFunc::setupLocalKeymap()
1640 {
1641         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1642         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1643 }
1644
1645
1646 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1647 {
1648         string initpath = lyxrc.document_path;
1649         string filename(name);
1650
1651         if (view()->available()) {
1652                 string const trypath = owner->buffer()->filePath();
1653                 // If directory is writeable, use this as default.
1654                 if (IsDirWriteable(trypath))
1655                         initpath = trypath;
1656         }
1657
1658         static int newfile_number;
1659
1660         if (filename.empty()) {
1661                 filename = AddName(lyxrc.document_path,
1662                             "newfile" + tostr(++newfile_number) + ".lyx");
1663                 FileInfo fi(filename);
1664                 while (bufferlist.exists(filename) || fi.readable()) {
1665                         ++newfile_number;
1666                         filename = AddName(lyxrc.document_path,
1667                                     "newfile" + tostr(newfile_number) +
1668                                     ".lyx");
1669                         fi.newFile(filename);
1670                 }
1671         }
1672
1673         // The template stuff
1674         string templname;
1675         if (fromTemplate) {
1676                 FileDialog fileDlg(_("Select template file"),
1677                         LFUN_SELECT_FILE_SYNC,
1678                         make_pair(string(_("Documents|#o#O")),
1679                                   string(lyxrc.document_path)),
1680                         make_pair(string(_("Templates|#T#t")),
1681                                   string(lyxrc.template_path)));
1682
1683                 FileDialog::Result result =
1684                         fileDlg.open(lyxrc.template_path,
1685                                        _("*.lyx| LyX Documents (*.lyx)"));
1686
1687                 if (result.first == FileDialog::Later)
1688                         return;
1689
1690                 string const fname = result.second;
1691
1692                 if (fname.empty())
1693                         return;
1694                 templname = fname;
1695         }
1696
1697         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1698 }
1699
1700
1701 void LyXFunc::open(string const & fname)
1702 {
1703         string initpath = lyxrc.document_path;
1704
1705         if (view()->available()) {
1706                 string const trypath = owner->buffer()->filePath();
1707                 // If directory is writeable, use this as default.
1708                 if (IsDirWriteable(trypath))
1709                         initpath = trypath;
1710         }
1711
1712         string filename;
1713
1714         if (fname.empty()) {
1715                 FileDialog fileDlg(_("Select document to open"),
1716                         LFUN_FILE_OPEN,
1717                         make_pair(string(_("Documents|#o#O")),
1718                                   string(lyxrc.document_path)),
1719                         make_pair(string(_("Examples|#E#e")),
1720                                   string(AddPath(system_lyxdir, "examples"))));
1721
1722                 FileDialog::Result result =
1723                         fileDlg.open(initpath,
1724                                        _("*.lyx| LyX Documents (*.lyx)"));
1725
1726                 if (result.first == FileDialog::Later)
1727                         return;
1728
1729                 filename = result.second;
1730
1731                 // check selected filename
1732                 if (filename.empty()) {
1733                         owner->message(_("Canceled."));
1734                         return;
1735                 }
1736         } else
1737                 filename = fname;
1738
1739         // get absolute path of file and add ".lyx" to the filename if
1740         // necessary
1741         string const fullpath = FileSearch(string(), filename, "lyx");
1742         if (!fullpath.empty()) {
1743                 filename = fullpath;
1744         }
1745
1746         string const disp_fn(MakeDisplayPath(filename));
1747
1748         // if the file doesn't exist, let the user create one
1749         FileInfo const f(filename, true);
1750         if (!f.exist()) {
1751                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1752                         _("Start a new document with this filename ?"))) {
1753                         owner->message(_("Canceled."));
1754                         return;
1755                 }
1756                 // the user specifically chose this name. Believe them.
1757                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1758                 view()->buffer(buffer);
1759                 return;
1760         }
1761
1762         ostringstream str;
1763 #if USE_BOOST_FORMAT
1764         str << boost::format(_("Opening document %1$s...")) % disp_fn;
1765 #else
1766         str << _("Opening document ") << disp_fn << _("...");
1767 #endif
1768
1769         owner->message(STRCONV(str.str()));
1770
1771         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1772         ostringstream str2;
1773         if (openbuf) {
1774                 view()->buffer(openbuf);
1775 #if USE_BOOST_FORMAT
1776                 str2 << boost::format(_("Document %1$s opened.")) % disp_fn;
1777 #else
1778                 str2 << _("Document ") << disp_fn << _(" opened.");
1779 #endif
1780         } else {
1781 #if USE_BOOST_FORMAT
1782                 str2 << boost::format(_("Could not open document %1$s"))
1783                         % disp_fn;
1784 #else
1785                 str2 << _("Could not open document ") << disp_fn;
1786 #endif
1787         }
1788         owner->message(STRCONV(str2.str()));
1789 }
1790
1791
1792 void LyXFunc::doImport(string const & argument)
1793 {
1794         string format;
1795         string filename = split(argument, format, ' ');
1796
1797         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1798                             << " file: " << filename << endl;
1799
1800         // need user interaction
1801         if (filename.empty()) {
1802                 string initpath = lyxrc.document_path;
1803
1804                 if (view()->available()) {
1805                         string const trypath = owner->buffer()->filePath();
1806                         // If directory is writeable, use this as default.
1807                         if (IsDirWriteable(trypath))
1808                                 initpath = trypath;
1809                 }
1810
1811 #if USE_BOOST_FORMAT
1812                 boost::format fmt(_("Select %1$s file to import"));
1813                 fmt % formats.prettyName(format);
1814                 string const text = fmt.str();
1815 #else
1816                 string const text = _("Select ") + formats.prettyName(format)
1817                         + _(" file to import");;
1818 #endif
1819
1820                 FileDialog fileDlg(text,
1821                         LFUN_IMPORT,
1822                         make_pair(string(_("Documents|#o#O")),
1823                                   string(lyxrc.document_path)),
1824                         make_pair(string(_("Examples|#E#e")),
1825                                   string(AddPath(system_lyxdir, "examples"))));
1826
1827                 string const extension = "*." + formats.extension(format)
1828                         + "| " + formats.prettyName(format)
1829                         + " (*." + formats.extension(format) + ')';
1830
1831                 FileDialog::Result result = fileDlg.open(initpath,
1832                                                            extension);
1833
1834                 if (result.first == FileDialog::Later)
1835                         return;
1836
1837                 filename = result.second;
1838
1839                 // check selected filename
1840                 if (filename.empty())
1841                         owner->message(_("Canceled."));
1842         }
1843
1844         if (filename.empty())
1845                 return;
1846
1847         // get absolute path of file
1848         filename = MakeAbsPath(filename);
1849
1850         string const lyxfile = ChangeExtension(filename, ".lyx");
1851
1852         // Check if the document already is open
1853         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1854                 switch (Alert::askConfirmation(_("Document is already open:"),
1855                                         MakeDisplayPath(lyxfile, 50),
1856                                         _("Do you want to close that document now?\n"
1857                                           "('No' will just switch to the open version)")))
1858                         {
1859                         case 1:
1860                                 // If close is canceled, we cancel here too.
1861                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1862                                         return;
1863                                 break;
1864                         case 2:
1865                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1866                                 return;
1867                         case 3:
1868                                 owner->message(_("Canceled."));
1869                                 return;
1870                         }
1871         }
1872
1873         // if the file exists already, and we didn't do
1874         // -i lyx thefile.lyx, warn
1875         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1876                 if (!Alert::askQuestion(_("A document by the name"),
1877                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1878                         owner->message(_("Canceled."));
1879                         return;
1880                 }
1881         }
1882
1883         Importer::Import(owner, filename, format);
1884 }
1885
1886
1887 void LyXFunc::closeBuffer()
1888 {
1889         if (bufferlist.close(owner->buffer()) && !quitting) {
1890                 if (bufferlist.empty()) {
1891                         // need this otherwise SEGV may occur while trying to
1892                         // set variables that don't exist
1893                         // since there's no current buffer
1894                         owner->getDialogs().hideBufferDependent();
1895                 } else {
1896                         view()->buffer(bufferlist.first());
1897                 }
1898         }
1899 }
1900
1901
1902 // Each "owner" should have it's own message method. lyxview and
1903 // the minibuffer would use the minibuffer, but lyxserver would
1904 // send an ERROR signal to its client.  Alejandro 970603
1905 // This func is bit problematic when it comes to NLS, to make the
1906 // lyx servers client be language indepenent we must not translate
1907 // strings sent to this func.
1908 void LyXFunc::setErrorMessage(string const & m) const
1909 {
1910         dispatch_buffer = m;
1911         errorstat = true;
1912 }
1913
1914
1915 void LyXFunc::setMessage(string const & m) const
1916 {
1917         dispatch_buffer = m;
1918 }
1919
1920
1921 void LyXFunc::setStatusMessage(string const & m) const
1922 {
1923         status_buffer = m;
1924 }
1925
1926
1927 string const LyXFunc::view_status_message()
1928 {
1929         // When meta-fake key is pressed, show the key sequence so far + "M-".
1930         if (wasMetaKey()) {
1931                 return keyseq.print() + "M-";
1932         }
1933
1934         // Else, when a non-complete key sequence is pressed,
1935         // show the available options.
1936         if (keyseq.length() > 0 && !keyseq.deleted()) {
1937                 return keyseq.printOptions();
1938         }
1939
1940         if (!view()->available())
1941                 return _("Welcome to LyX!");
1942
1943         return currentState(view());
1944 }
1945
1946
1947 BufferView * LyXFunc::view() const
1948 {
1949         lyx::Assert(owner);
1950         return owner->view().get();
1951 }