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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/insettabular.h"
47
48 #include "mathed/formulamacro.h"
49 #include "mathed/math_cursor.h"
50 #include "mathed/math_inset.h"
51
52 #include "frontends/FileDialog.h"
53 #include "frontends/Dialogs.h"
54 #include "frontends/Toolbar.h"
55 #include "frontends/Menubar.h"
56 #include "frontends/Alert.h"
57
58 #include "graphics/GraphicsCache.h"
59
60 #include "support/lyxalgo.h"
61 #include "support/LAssert.h"
62 #include "support/filetools.h"
63 #include "support/FileInfo.h"
64 #include "support/forkedcontr.h"
65 #include "support/lstrings.h"
66 #include "support/path.h"
67 #include "support/lyxfunctional.h"
68
69 #include "support/BoostFormat.h"
70
71 #include <ctime>
72 #include <clocale>
73 #include <cstdlib>
74 #include <cctype>
75
76 #include <utility>
77 #include <algorithm>
78
79 using std::pair;
80 using std::make_pair;
81 using std::endl;
82 using std::find_if;
83 using std::vector;
84 using std::transform;
85 using std::back_inserter;
86 using namespace bv_funcs;
87
88 extern BufferList bufferlist;
89 extern LyXServer * lyxserver;
90 extern bool selection_possible;
91
92 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
93
94 // (alkis)
95 extern tex_accent_struct get_accent(kb_action action);
96
97 extern void ShowLatexLog();
98
99
100 LyXFunc::LyXFunc(LyXView * o)
101         : owner(o),
102         encoded_last_key(0),
103         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
104         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
105         meta_fake_bit(key_modifier::none)
106 {
107 }
108
109
110 inline
111 LyXText * LyXFunc::TEXT(bool flag = true) const
112 {
113         if (flag)
114                 return view()->text;
115         return view()->getLyXText();
116 }
117
118
119 inline
120 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
121 {
122         if (selecting || TEXT(flag)->selection.mark()) {
123                 TEXT(flag)->setSelection();
124                 if (!TEXT(flag)->isInInset())
125                     view()->toggleToggle();
126         }
127         view()->update(TEXT(flag), BufferView::SELECT);
128         view()->showCursor();
129
130         view()->switchKeyMap();
131 }
132
133
134 void LyXFunc::handleKeyFunc(kb_action action)
135 {
136         char c = encoded_last_key;
137
138         if (keyseq.length()) {
139                 c = 0;
140         }
141
142         owner->getIntl().getTransManager()
143                 .deadkey(c, get_accent(action).accent, TEXT(false));
144         // Need to clear, in case the minibuffer calls these
145         // actions
146         keyseq.clear();
147         // copied verbatim from do_accent_char
148         view()->update(TEXT(false), BufferView::SELECT);
149         TEXT(false)->selection.cursor = TEXT(false)->cursor;
150 }
151
152
153 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
154                             key_modifier::state state)
155 {
156         string argument;
157
158         if (lyxerr.debugging(Debug::KEY)) {
159                 lyxerr << "KeySym is "
160                        << keysym->getSymbolName()
161                        << endl;
162         }
163
164         // Do nothing if we have nothing (JMarc)
165         if (!keysym->isOK()) {
166                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
167                                    << endl;
168                 return;
169         }
170
171         if (keysym->isModifier()) {
172                 lyxerr[Debug::KEY] << "isModifier true" << endl;
173                 return;
174         }
175
176         Encoding const * encoding = view()->getEncoding();
177
178         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
179
180         // Do a one-deep top-level lookup for
181         // cancel and meta-fake keys. RVDK_PATCH_5
182         cancel_meta_seq.reset();
183
184         int action = cancel_meta_seq.addkey(keysym, state);
185         lyxerr[Debug::KEY] << "action first set to [" << action << ']' << endl;
186
187         // When not cancel or meta-fake, do the normal lookup.
188         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
189         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
190         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
191                 // remove Caps Lock and Mod2 as a modifiers
192                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
193                 lyxerr[Debug::KEY] << "action now set to ["
194                         << action << ']' << endl;
195         }
196
197         // Dont remove this unless you know what you are doing.
198         meta_fake_bit = key_modifier::none;
199
200         // can this happen now ?
201         if (action == LFUN_NOACTION) {
202                 action = LFUN_PREFIX;
203         }
204
205         if (lyxerr.debugging(Debug::KEY)) {
206                 lyxerr << "Key [action="
207                        << action << "]["
208                        << keyseq.print() << ']'
209                        << endl;
210         }
211
212         // already here we know if it any point in going further
213         // why not return already here if action == -1 and
214         // num_bytes == 0? (Lgb)
215
216         if (keyseq.length() > 1) {
217                 owner->message(keyseq.print());
218         }
219
220
221         // Maybe user can only reach the key via holding down shift.
222         // Let's see. But only if shift is the only modifier
223         if (action == LFUN_UNKNOWN_ACTION && state == key_modifier::shift) {
224                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
225                 action = keyseq.addkey(keysym, key_modifier::none);
226                 lyxerr[Debug::KEY] << "Action now " << action << endl;
227         }
228
229         if (action == LFUN_UNKNOWN_ACTION) {
230                 // Hmm, we didn't match any of the keysequences. See
231                 // if it's normal insertable text not already covered
232                 // by a binding
233                 if (keysym->isText() && keyseq.length() == 1) {
234                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
235                         action = LFUN_SELFINSERT;
236                 } else {
237                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
238                         owner->message(_("Unknown function."));
239                         return;
240                 }
241         }
242
243         if (action == LFUN_SELFINSERT) {
244                 if (encoded_last_key != 0) {
245                         string arg;
246                         arg += encoded_last_key;
247
248                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
249
250                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
251                                    << argument << "']" << endl;
252                 }
253         } else {
254                 dispatch(action);
255         }
256 }
257
258
259 FuncStatus LyXFunc::getStatus(int ac) const
260 {
261         return getStatus(lyxaction.retrieveActionArg(ac));
262 }
263
264
265 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
266 {
267         FuncStatus flag;
268         Buffer * buf = owner->buffer();
269
270         if (ev.action == LFUN_NOACTION) {
271                 setStatusMessage(N_("Nothing to do"));
272                 return flag.disabled(true);
273         }
274
275         switch (ev.action) {
276         case LFUN_UNKNOWN_ACTION:
277 #ifndef HAVE_LIBAIKSAURUS
278         case LFUN_THESAURUS_ENTRY:
279 #endif
280                 flag.unknown(true);
281                 break;
282         default:
283                 flag |= lyx_gui::getStatus(ev);
284         }
285
286         if (flag.unknown()) {
287                 setStatusMessage(N_("Unknown action"));
288                 return flag;
289         }
290
291         // the default error message if we disable the command
292         setStatusMessage(N_("Command disabled"));
293
294         // Check whether we need a buffer
295         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
296                 // Yes we need a buffer, do we have one?
297                 if (buf) {
298                         // yes
299                         // Can we use a readonly buffer?
300                         if (buf->isReadonly() &&
301                             !lyxaction.funcHasFlag(ev.action,
302                                                    LyXAction::ReadOnly)) {
303                                 // no
304                                 setStatusMessage(N_("Document is read-only"));
305                                 flag.disabled(true);
306                         }
307                 } else {
308                         // no
309                         setStatusMessage(N_("Command not allowed with"
310                                            "out any document open"));
311                         return flag.disabled(true);
312                 }
313         }
314
315         UpdatableInset * tli = view()->theLockingInset();
316
317         // I would really like to avoid having this switch and rather try to
318         // encode this in the function itself.
319         bool disable = false;
320         switch (ev.action) {
321         case LFUN_MENUPRINT:
322                 disable = !Exporter::IsExportable(buf, "dvi")
323                         || lyxrc.print_command == "none";
324                 break;
325         case LFUN_EXPORT:
326                 disable = ev.argument != "custom"
327                         && !Exporter::IsExportable(buf, ev.argument);
328                 break;
329         case LFUN_UNDO:
330                 disable = buf->undostack.empty();
331                 break;
332         case LFUN_REDO:
333                 disable = buf->redostack.empty();
334                 break;
335         case LFUN_CUT:
336         case LFUN_COPY:
337                 if (tli) {
338                         UpdatableInset * in = tli;
339                         if (in->lyxCode() != Inset::TABULAR_CODE) {
340                                 in = tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
341                         }
342                         if (in && static_cast<InsetTabular*>(in)->hasSelection()) {
343                                 disable = false;
344                                 break;
345                         }
346                 }
347                 disable = !mathcursor && !view()->getLyXText()->selection.set();
348                 break;
349         case LFUN_RUNCHKTEX:
350                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
351                 break;
352         case LFUN_BUILDPROG:
353                 disable = !Exporter::IsExportable(buf, "program");
354                 break;
355
356         case LFUN_LAYOUT_CHARACTER:
357                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
358                 break;
359
360         case LFUN_LAYOUT_TABULAR:
361                 disable = !tli
362                         || (tli->lyxCode() != Inset::TABULAR_CODE
363                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
364                 break;
365
366         case LFUN_DEPTH_MIN:
367                 disable = !changeDepth(view(), TEXT(false), DEC_DEPTH, true);
368                 break;
369
370         case LFUN_DEPTH_PLUS:
371                 disable = !changeDepth(view(), TEXT(false), INC_DEPTH, true);
372                 break;
373
374         case LFUN_LAYOUT:
375         case LFUN_LAYOUT_PARAGRAPH: {
376                 Inset * inset = TEXT(false)->cursor.par()->inInset();
377                 disable = inset && inset->forceDefaultParagraphs(inset);
378                 break;
379         }
380
381         case LFUN_INSET_OPTARG:
382                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
383                 break;
384
385         case LFUN_TABULAR_FEATURE:
386                 if (mathcursor) {
387 #if 0
388                         // FIXME: check temporarily disabled
389                         // valign code
390                         char align = mathcursor->valign();
391                         if (align == '\0') {
392                                 disable = true;
393                                 break;
394                         }
395                         if (ev.argument.empty()) {
396                                 flag.clear();
397                                 break;
398                         }
399                         if (!contains("tcb", ev.argument[0])) {
400                                 disable = true;
401                                 break;
402                         }
403                         flag.setOnOff(ev.argument[0] == align);
404                 } else
405                         disable = true;
406
407                         char align = mathcursor->halign();
408                         if (align == '\0') {
409                                 disable = true;
410                                 break;
411                         }
412                         if (ev.argument.empty()) {
413                                 flag.clear();
414                                 break;
415                         }
416                         if (!contains("lcr", ev.argument[0])) {
417                                 disable = true;
418                                 break;
419                         }
420                         flag.setOnOff(ev.argument[0] == align);
421 #endif
422
423                         disable = !mathcursor->halign();
424                         break;
425                 }
426
427                 if (tli) {
428                         FuncStatus ret;
429                         //ret.disabled(true);
430                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
431                                 ret = static_cast<InsetTabular *>(tli)
432                                         ->getStatus(ev.argument);
433                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
434                                 ret = static_cast<InsetTabular *>
435                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
436                                         ->getStatus(ev.argument);
437                         }
438                         flag |= ret;
439                         disable = false;
440                 } else {
441                         static InsetTabular inset(*owner->buffer(), 1, 1);
442                         FuncStatus ret;
443
444                         disable = true;
445                         ret = inset.getStatus(ev.argument);
446                         if (ret.onoff(true) || ret.onoff(false))
447                                 flag.setOnOff(false);
448                 }
449                 break;
450
451         case LFUN_VC_REGISTER:
452                 disable = buf->lyxvc.inUse();
453                 break;
454         case LFUN_VC_CHECKIN:
455                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
456                 break;
457         case LFUN_VC_CHECKOUT:
458                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
459                 break;
460         case LFUN_VC_REVERT:
461         case LFUN_VC_UNDO:
462         case LFUN_VC_HISTORY:
463                 disable = !buf->lyxvc.inUse();
464                 break;
465         case LFUN_MENURELOAD:
466                 disable = buf->isUnnamed() || buf->isClean();
467                 break;
468         case LFUN_BOOKMARK_GOTO:
469                 disable =  !view()->
470                         isSavedPosition(strToUnsignedInt(ev.argument));
471                 break;
472         case LFUN_MERGE_CHANGES:
473         case LFUN_ACCEPT_CHANGE:
474         case LFUN_REJECT_CHANGE:
475         case LFUN_ACCEPT_ALL_CHANGES:
476         case LFUN_REJECT_ALL_CHANGES:
477                 disable = !buf->params.tracking_changes;
478                 break;
479         case LFUN_INSET_TOGGLE: {
480                 LyXText * lt = view()->getLyXText();
481                 disable = !(isEditableInset(lt->getInset())
482                             || (lt->inset_owner
483                                 && lt->inset_owner->owner()
484                                 && lt->inset_owner->owner()->isOpen()));
485                 break;
486         }
487         case LFUN_LATEX_LOG:
488                 disable = !IsFileReadable(buf->getLogName().second);
489                 break;
490
491         case LFUN_MATH_MUTATE:
492                 if (mathcursor)
493                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
494                         flag.setOnOff(false);
495                 else
496                         disable = true;
497                 break;
498
499         // we just need to be in math mode to enable that
500         case LFUN_MATH_SIZE:
501         case LFUN_MATH_SPACE:
502         case LFUN_MATH_LIMITS:
503         case LFUN_MATH_NONUMBER:
504         case LFUN_MATH_NUMBER:
505         case LFUN_MATH_EXTERN:
506                 disable = !mathcursor;
507                 break;
508
509         default:
510                 break;
511         }
512
513         // the functions which insert insets
514         Inset::Code code = Inset::NO_CODE;
515         switch (ev.action) {
516         case LFUN_DIALOG_SHOW_NEW_INSET:
517                 if (ev.argument == "bibitem")
518                         code = Inset::BIBITEM_CODE;
519                 else if (ev.argument == "bibtex")
520                         code = Inset::BIBTEX_CODE;
521                 else if (ev.argument == "citation")
522                         code = Inset::CITE_CODE;
523                 else if (ev.argument == "ert")
524                         code = Inset::ERT_CODE;
525                 else if (ev.argument == "external")
526                         code = Inset::EXTERNAL_CODE;
527                 else if (ev.argument == "float")
528                         code = Inset::FLOAT_CODE;
529                 else if (ev.argument == "graphics")
530                         code = Inset::GRAPHICS_CODE;
531                 else if (ev.argument == "include")
532                         code = Inset::INCLUDE_CODE;
533                 else if (ev.argument == "index")
534                         code = Inset::INDEX_CODE;
535                 else if (ev.argument == "label")
536                         code = Inset::LABEL_CODE;
537                 else if (ev.argument == "minipage")
538                         code = Inset::MINIPAGE_CODE;
539                 else if (ev.argument == "ref")
540                         code = Inset::REF_CODE;
541                 else if (ev.argument == "toc")
542                         code = Inset::TOC_CODE;
543                 else if (ev.argument == "url")
544                         code = Inset::URL_CODE;
545                 else if (ev.argument == "wrap")
546                         code = Inset::WRAP_CODE;
547                 break;
548
549         case LFUN_INSET_ERT:
550                 code = Inset::ERT_CODE;
551                 break;
552         case LFUN_INSET_FOOTNOTE:
553                 code = Inset::FOOT_CODE;
554                 break;
555         case LFUN_TABULAR_INSERT:
556                 code = Inset::TABULAR_CODE;
557                 break;
558         case LFUN_INSET_MARGINAL:
559                 code = Inset::MARGIN_CODE;
560                 break;
561         case LFUN_INSET_MINIPAGE:
562                 code = Inset::MINIPAGE_CODE;
563                 break;
564         case LFUN_INSET_FLOAT:
565         case LFUN_INSET_WIDE_FLOAT:
566                 code = Inset::FLOAT_CODE;
567                 break;
568         case LFUN_INSET_WRAP:
569                 code = Inset::WRAP_CODE;
570                 break;
571         case LFUN_FLOAT_LIST:
572                 code = Inset::FLOAT_LIST_CODE;
573                 break;
574 #if 0
575         case LFUN_INSET_LIST:
576                 code = Inset::LIST_CODE;
577                 break;
578         case LFUN_INSET_THEOREM:
579                 code = Inset::THEOREM_CODE;
580                 break;
581 #endif
582         case LFUN_INSET_CAPTION:
583                 code = Inset::CAPTION_CODE;
584                 break;
585         case LFUN_INSERT_NOTE:
586                 code = Inset::NOTE_CODE;
587                 break;
588         case LFUN_INSERT_LABEL:
589                 code = Inset::LABEL_CODE;
590                 break;
591         case LFUN_INSET_OPTARG:
592                 code = Inset::OPTARG_CODE;
593                 break;
594         case LFUN_ENVIRONMENT_INSERT:
595                 code = Inset::MINIPAGE_CODE;
596                 break;
597         case LFUN_INDEX_INSERT:
598                 code = Inset::INDEX_CODE;
599                 break;
600         case LFUN_INDEX_PRINT:
601                 code = Inset::INDEX_PRINT_CODE;
602                 break;
603         case LFUN_TOC_INSERT:
604                 code = Inset::TOC_CODE;
605                 break;
606         case LFUN_PARENTINSERT:
607                 code = Inset::PARENT_CODE;
608                 break;
609         case LFUN_HTMLURL:
610         case LFUN_URL:
611                 code = Inset::URL_CODE;
612                 break;
613         case LFUN_QUOTE:
614                 // always allow this, since we will inset a raw quote
615                 // if an inset is not allowed.
616                 break;
617         case LFUN_HYPHENATION:
618         case LFUN_LIGATURE_BREAK:
619         case LFUN_HFILL:
620         case LFUN_MENU_SEPARATOR:
621         case LFUN_LDOTS:
622         case LFUN_END_OF_SENTENCE:
623                 code = Inset::SPECIALCHAR_CODE;
624                 break;
625         case LFUN_PROTECTEDSPACE:
626                 // slight hack: we know this is allowed in math mode
627                 if (!mathcursor)
628                         code = Inset::SPECIALCHAR_CODE;
629                 break;
630         default:
631                 break;
632         }
633         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
634                 disable = true;
635
636         if (disable)
637                 flag.disabled(true);
638
639         // A few general toggles
640         switch (ev.action) {
641         case LFUN_TOOLTIPS_TOGGLE:
642                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
643                 break;
644
645         case LFUN_READ_ONLY_TOGGLE:
646                 flag.setOnOff(buf->isReadonly());
647                 break;
648         case LFUN_APPENDIX:
649                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
650                 break;
651         case LFUN_SWITCHBUFFER:
652                 // toggle on the current buffer, but do not toggle off
653                 // the other ones (is that a good idea?)
654                 if (ev.argument == buf->fileName())
655                         flag.setOnOff(true);
656                 break;
657         case LFUN_TRACK_CHANGES:
658                 flag.setOnOff(buf->params.tracking_changes);
659                 break;
660         default:
661                 break;
662         }
663
664         // the font related toggles
665         if (!mathcursor) {
666                 LyXFont const & font = TEXT(false)->real_current_font;
667                 switch (ev.action) {
668                 case LFUN_EMPH:
669                         flag.setOnOff(font.emph() == LyXFont::ON);
670                         break;
671                 case LFUN_NOUN:
672                         flag.setOnOff(font.noun() == LyXFont::ON);
673                         break;
674                 case LFUN_BOLD:
675                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
676                         break;
677                 case LFUN_SANS:
678                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
679                         break;
680                 case LFUN_ROMAN:
681                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
682                         break;
683                 case LFUN_CODE:
684                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
685                         break;
686                 default:
687                         break;
688                 }
689         } else {
690                 string tc = mathcursor->getLastCode();
691                 switch (ev.action) {
692                 case LFUN_BOLD:
693                         flag.setOnOff(tc == "mathbf");
694                         break;
695                 case LFUN_SANS:
696                         flag.setOnOff(tc == "mathsf");
697                         break;
698                 case LFUN_EMPH:
699                         flag.setOnOff(tc == "mathcal");
700                         break;
701                 case LFUN_ROMAN:
702                         flag.setOnOff(tc == "mathrm");
703                         break;
704                 case LFUN_CODE:
705                         flag.setOnOff(tc == "mathtt");
706                         break;
707                 case LFUN_NOUN:
708                         flag.setOnOff(tc == "mathbb");
709                         break;
710                 case LFUN_DEFAULT:
711                         flag.setOnOff(tc == "mathnormal");
712                         break;
713                 default:
714                         break;
715                 }
716         }
717
718         // this one is difficult to get right. As a half-baked
719         // solution, we consider only the first action of the sequence
720         if (ev.action == LFUN_SEQUENCE) {
721                 // argument contains ';'-terminated commands
722                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
723         }
724
725         return flag;
726 }
727
728
729 void LyXFunc::dispatch(string const & s, bool verbose)
730 {
731         int const action = lyxaction.LookupFunc(s);
732
733         if (action == LFUN_UNKNOWN_ACTION) {
734 #if USE_BOOST_FORMAT
735 boost::format fmt(_("Unknown function (%1$s)"));
736 fmt % s;
737 owner->message(fmt.str());
738 #else
739                 string const msg = string(_("Unknown function ("))
740                         + s + ')';
741                 owner->message(msg);
742 #endif
743                 return;
744         }
745
746         dispatch(action, verbose);
747 }
748
749
750 void LyXFunc::dispatch(int ac, bool verbose)
751 {
752         dispatch(lyxaction.retrieveActionArg(ac), verbose);
753 }
754
755
756
757 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
758 {
759         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
760                               <<"] arg[" << ev.argument << ']' << endl;
761
762         // we have not done anything wrong yet.
763         errorstat = false;
764         dispatch_buffer.erase();
765
766 #ifdef NEW_DISPATCHER
767         // We try do call the most specific dispatcher first:
768         //  1. the lockinginset's dispatch
769         //  2. the bufferview's dispatch
770         //  3. the lyxview's dispatch
771 #endif
772
773         selection_possible = false;
774
775         if (view()->available())
776                 view()->hideCursor();
777
778         string argument = ev.argument;
779         kb_action action = ev.action;
780
781         // We cannot use this function here
782         if (getStatus(ev).disabled()) {
783                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
784                        << lyxaction.getActionName(action)
785                        << " [" << action << "] is disabled at this location"
786                        << endl;
787                 setErrorMessage(getStatusMessage());
788                 goto exit_with_message;
789         }
790
791         if (view()->available() && view()->theLockingInset()) {
792                 Inset::RESULT result;
793                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
794                                      (!keyseq.deleted())))
795                 {
796                         UpdatableInset * inset = view()->theLockingInset();
797 #if 1
798                         int inset_x;
799                         int dummy_y;
800                         inset->getCursorPos(view(), inset_x, dummy_y);
801 #endif
802                         if ((action == LFUN_UNKNOWN_ACTION)
803                             && argument.empty()) {
804                                 argument = encoded_last_key;
805                         }
806                         // Undo/Redo is a bit tricky for insets.
807                         if (action == LFUN_UNDO) {
808                                 view()->undo();
809                                 goto exit_with_message;
810                         } else if (action == LFUN_REDO) {
811                                 view()->redo();
812                                 goto exit_with_message;
813                         } else if (((result=inset->
814                                      // Hand-over to inset's own dispatch:
815                                      localDispatch(FuncRequest(view(), action, argument))) ==
816                                     DISPATCHED) ||
817                                    (result == DISPATCHED_NOUPDATE))
818                                 goto exit_with_message;
819                                         // If UNDISPATCHED, just soldier on
820                         else if (result == FINISHED) {
821                                 owner->clearMessage();
822                                 goto exit_with_message;
823                                 // We do not need special RTL handling here:
824                                 // FINISHED means that the cursor should be
825                                 // one position after the inset.
826                         } else if (result == FINISHED_RIGHT) {
827                                 TEXT()->cursorRight(view());
828                                 moveCursorUpdate(true, false);
829                                 owner->clearMessage();
830                                 goto exit_with_message;
831                         } else if (result == FINISHED_UP) {
832                                 if (TEXT()->cursor.irow() != TEXT()->rows().begin()) {
833 #if 1
834                                         TEXT()->setCursorFromCoordinates(
835                                                 TEXT()->cursor.ix() + inset_x,
836                                                 TEXT()->cursor.iy() -
837                                                 TEXT()->cursor.irow()->baseline() - 1);
838                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
839 #else
840                                         TEXT()->cursorUp(view());
841 #endif
842                                         moveCursorUpdate(true, false);
843                                 } else {
844                                         view()->update(TEXT(), BufferView::SELECT);
845                                 }
846                                 owner->clearMessage();
847                                 goto exit_with_message;
848                         } else if (result == FINISHED_DOWN) {
849                                 if (boost::next(TEXT()->cursor.irow()) != TEXT()->rows().end()) {
850 #if 1
851                                         TEXT()->setCursorFromCoordinates(
852                                                 TEXT()->cursor.ix() + inset_x,
853                                                 TEXT()->cursor.iy() -
854                                                 TEXT()->cursor.irow()->baseline() +
855                                                 TEXT()->cursor.irow()->height() + 1);
856                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
857 #else
858                                         TEXT()->cursorDown(view());
859 #endif
860                                 } else {
861                                         TEXT()->cursorRight(view());
862                                 }
863                                 moveCursorUpdate(true, false);
864                                 owner->clearMessage();
865                                 goto exit_with_message;
866                         }
867 #warning I am not sure this is still right, please have a look! (Jug 20020417)
868                         else { // result == UNDISPATCHED
869                                 //setMessage(N_("Text mode"));
870                                 switch (action) {
871                                 case LFUN_UNKNOWN_ACTION:
872                                 case LFUN_BREAKPARAGRAPH:
873                                 case LFUN_BREAKLINE:
874                                         TEXT()->cursorRight(view());
875                                         view()->switchKeyMap();
876                                         owner->view_state_changed();
877                                         break;
878                                 case LFUN_RIGHT:
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_LEFT:
886                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
887                                                 TEXT()->cursorRight(view());
888                                                 moveCursorUpdate(true, false);
889                                                 owner->view_state_changed();
890                                         }
891                                         goto exit_with_message;
892                                 case LFUN_DOWN:
893                                         if (boost::next(TEXT()->cursor.row()) != TEXT()->rows().end())
894                                                 TEXT()->cursorDown(view());
895                                         else
896                                                 TEXT()->cursorRight(view());
897                                         moveCursorUpdate(true, false);
898                                         owner->view_state_changed();
899                                         goto exit_with_message;
900                                 default:
901                                         break;
902                                 }
903                         }
904                 }
905         }
906
907         switch (action) {
908
909         case LFUN_ESCAPE:
910         {
911                 if (!view()->available()) break;
912                 // this function should be used always [asierra060396]
913                 UpdatableInset * tli =
914                         view()->theLockingInset();
915                 if (tli) {
916                         UpdatableInset * lock = tli->getLockingInset();
917
918                         if (tli == lock) {
919                                 view()->unlockInset(tli);
920                                 TEXT()->cursorRight(view());
921                                 moveCursorUpdate(true, false);
922                                 owner->view_state_changed();
923                         } else {
924                                 tli->unlockInsetInInset(view(),
925                                                         lock,
926                                                         true);
927                         }
928                         finishUndo();
929                         // Tell the paragraph dialog that we changed paragraph
930                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
931                 }
932         }
933         break;
934
935                 // --- Misc -------------------------------------------
936         case LFUN_WORDFINDFORWARD  :
937         case LFUN_WORDFINDBACKWARD : {
938                 static string last_search;
939                 string searched_string;
940
941                 if (!argument.empty()) {
942                         last_search = argument;
943                         searched_string = argument;
944                 } else {
945                         searched_string = last_search;
946                 }
947                 bool fw = (action == LFUN_WORDFINDFORWARD);
948                 if (!searched_string.empty()) {
949                         lyxfind::LyXFind(view(), searched_string, fw);
950                 }
951 //              view()->showCursor();
952         }
953         break;
954
955         case LFUN_PREFIX:
956         {
957                 if (view()->available() && !view()->theLockingInset()) {
958                         view()->update(TEXT(), BufferView::SELECT);
959                 }
960                 owner->message(keyseq.printOptions());
961         }
962         break;
963
964         // --- Misc -------------------------------------------
965         case LFUN_EXEC_COMMAND:
966                 owner->focus_command_buffer();
967                 break;
968
969         case LFUN_CANCEL:                   // RVDK_PATCH_5
970                 keyseq.reset();
971                 meta_fake_bit = key_modifier::none;
972                 if (view()->available())
973                         // cancel any selection
974                         dispatch(LFUN_MARK_OFF);
975                 setMessage(N_("Cancel"));
976                 break;
977
978         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
979         {
980                 meta_fake_bit = key_modifier::alt;
981                 setMessage(keyseq.print());
982         }
983         break;
984
985         case LFUN_READ_ONLY_TOGGLE:
986                 if (owner->buffer()->lyxvc.inUse()) {
987                         owner->buffer()->lyxvc.toggleReadOnly();
988                 } else {
989                         owner->buffer()->setReadonly(
990                                 !owner->buffer()->isReadonly());
991                 }
992                 break;
993
994         case LFUN_CENTER: // this is center and redraw.
995                 view()->center();
996                 break;
997
998                 // --- Menus -----------------------------------------------
999         case LFUN_MENUNEW:
1000                 menuNew(argument, false);
1001                 break;
1002
1003         case LFUN_MENUNEWTMPLT:
1004                 menuNew(argument, true);
1005                 break;
1006
1007         case LFUN_CLOSEBUFFER:
1008                 closeBuffer();
1009                 break;
1010
1011         case LFUN_MENUWRITE:
1012                 if (!owner->buffer()->isUnnamed()) {
1013                         ostringstream s1;
1014 #if USE_BOOST_FORMAT
1015                         s1 << boost::format(_("Saving document %1$s..."))
1016                            % MakeDisplayPath(owner->buffer()->fileName());
1017 #else
1018                         s1 << _("Saving document ")
1019                            << MakeDisplayPath(owner->buffer()->fileName())
1020                            << _("...");
1021 #endif
1022                         owner->message(STRCONV(s1.str()));
1023                         MenuWrite(view(), owner->buffer());
1024                         s1 << _(" done.");
1025                         owner->message(STRCONV(s1.str()));
1026                 } else
1027                         WriteAs(view(), owner->buffer());
1028                 break;
1029
1030         case LFUN_WRITEAS:
1031                 WriteAs(view(), owner->buffer(), argument);
1032                 break;
1033
1034         case LFUN_MENURELOAD: {
1035                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
1036 #if USE_BOOST_FORMAT
1037                 boost::format fmt(_("Any changes will be lost. Are you sure you want to revert to the saved version of the document %1$s?"));
1038                 fmt % file;
1039                 string text = fmt.str();
1040 #else
1041                 string text = _("Any changes will be lost. Are you sure you want to revert to the saved version of the document");
1042                 text += file + _("?");
1043 #endif
1044                 int const ret = Alert::prompt(_("Revert to saved document?"),
1045                         text, 1, _("&Revert"), _("&Cancel"));
1046
1047                 if (ret == 0)
1048                         view()->reload();
1049                 break;
1050         }
1051
1052         case LFUN_UPDATE:
1053                 Exporter::Export(owner->buffer(), argument, true);
1054                 break;
1055
1056         case LFUN_PREVIEW:
1057                 Exporter::Preview(owner->buffer(), argument);
1058                 break;
1059
1060         case LFUN_BUILDPROG:
1061                 Exporter::Export(owner->buffer(), "program", true);
1062                 break;
1063
1064         case LFUN_RUNCHKTEX:
1065                 owner->buffer()->runChktex();
1066                 break;
1067
1068         case LFUN_MENUPRINT:
1069                 owner->getDialogs().showPrint();
1070                 break;
1071
1072         case LFUN_EXPORT:
1073                 if (argument == "custom")
1074                         owner->getDialogs().showSendto();
1075                 else
1076                         Exporter::Export(owner->buffer(), argument, false);
1077                 break;
1078
1079         case LFUN_IMPORT:
1080                 doImport(argument);
1081                 break;
1082
1083         case LFUN_QUIT:
1084                 QuitLyX();
1085                 break;
1086
1087         case LFUN_TOCVIEW:
1088         {
1089                 InsetCommandParams p("tableofcontents");
1090                 string const data = InsetCommandMailer::params2string("toc", p);
1091                 owner->getDialogs().show("toc", data, 0);
1092                 break;
1093         }
1094
1095         case LFUN_AUTOSAVE:
1096                 AutoSave(view());
1097                 break;
1098
1099         case LFUN_UNDO:
1100                 view()->undo();
1101                 break;
1102
1103         case LFUN_REDO:
1104                 view()->redo();
1105                 break;
1106
1107         case LFUN_MENUSEARCH:
1108                 owner->getDialogs().showSearch();
1109                 break;
1110
1111         case LFUN_REMOVEERRORS:
1112                 if (view()->removeAutoInsets()) {
1113 #warning repaint() or update() or nothing ?
1114                         view()->repaint();
1115                         view()->fitCursor();
1116                 }
1117                 break;
1118
1119         case LFUN_DEPTH_MIN:
1120                 changeDepth(view(), TEXT(false), DEC_DEPTH, false);
1121                 owner->view_state_changed();
1122                 break;
1123
1124         case LFUN_DEPTH_PLUS:
1125                 changeDepth(view(), TEXT(false), INC_DEPTH, false);
1126                 owner->view_state_changed();
1127                 break;
1128
1129         case LFUN_FREEFONT_APPLY:
1130                 apply_freefont(view());
1131                 break;
1132
1133         case LFUN_FREEFONT_UPDATE:
1134                 update_and_apply_freefont(view(), argument);
1135                 break;
1136
1137         case LFUN_RECONFIGURE:
1138                 Reconfigure(view());
1139                 break;
1140
1141 #if 0
1142         case LFUN_FLOATSOPERATE:
1143                 if (argument == "openfoot")
1144                         view()->allFloats(1,0);
1145                 else if (argument == "closefoot")
1146                         view()->allFloats(0,0);
1147                 else if (argument == "openfig")
1148                         view()->allFloats(1,1);
1149                 else if (argument == "closefig")
1150                         view()->allFloats(0,1);
1151                 break;
1152 #else
1153 #ifdef WITH_WARNINGS
1154 //#warning Find another implementation here (or another lyxfunc)!
1155 #endif
1156 #endif
1157         case LFUN_HELP_ABOUTLYX:
1158                 owner->getDialogs().show("about");
1159                 break;
1160
1161         case LFUN_HELP_TEXINFO:
1162                 owner->getDialogs().showTexinfo();
1163                 break;
1164
1165         case LFUN_HELP_OPEN:
1166         {
1167                 string const arg = argument;
1168                 if (arg.empty()) {
1169                         setErrorMessage(N_("Missing argument"));
1170                         break;
1171                 }
1172                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1173                 if (fname.empty()) {
1174                         lyxerr << "LyX: unable to find documentation file `"
1175                                << arg << "'. Bad installation?" << endl;
1176                         break;
1177                 }
1178                 ostringstream str;
1179 #if USE_BOOST_FORMAT
1180                 str << boost::format(_("Opening help file %1$s..."))
1181                     % MakeDisplayPath(fname);
1182 #else
1183                 str << _("Opening help file ")
1184                     << MakeDisplayPath(fname) << _("...");
1185 #endif
1186                 owner->message(STRCONV(str.str()));
1187                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1188                 break;
1189         }
1190
1191                 // --- version control -------------------------------
1192         case LFUN_VC_REGISTER:
1193         {
1194                 if (!owner->buffer()->lyxvc.inUse())
1195                         owner->buffer()->lyxvc.registrer();
1196         }
1197         break;
1198
1199         case LFUN_VC_CHECKIN:
1200         {
1201                 if (owner->buffer()->lyxvc.inUse()
1202                     && !owner->buffer()->isReadonly())
1203                         owner->buffer()->lyxvc.checkIn();
1204         }
1205         break;
1206
1207         case LFUN_VC_CHECKOUT:
1208         {
1209                 if (owner->buffer()->lyxvc.inUse()
1210                     && owner->buffer()->isReadonly())
1211                         owner->buffer()->lyxvc.checkOut();
1212         }
1213         break;
1214
1215         case LFUN_VC_REVERT:
1216         {
1217                 owner->buffer()->lyxvc.revert();
1218         }
1219         break;
1220
1221         case LFUN_VC_UNDO:
1222         {
1223                 owner->buffer()->lyxvc.undoLast();
1224         }
1225         break;
1226
1227         case LFUN_VC_HISTORY:
1228         {
1229                 owner->getDialogs().show("vclog");
1230                 break;
1231         }
1232
1233         // --- buffers ----------------------------------------
1234
1235         case LFUN_SWITCHBUFFER:
1236                 view()->buffer(bufferlist.getBuffer(argument));
1237                 break;
1238
1239         case LFUN_FILE_NEW:
1240         {
1241                 // servercmd: argument must be <file>:<template>
1242                 Buffer * tmpbuf = NewFile(argument);
1243                 if (tmpbuf)
1244                         view()->buffer(tmpbuf);
1245         }
1246         break;
1247
1248         case LFUN_FILE_OPEN:
1249                 open(argument);
1250                 break;
1251
1252         case LFUN_LATEX_LOG:
1253                 owner->getDialogs().show("log");
1254                 break;
1255
1256         case LFUN_LAYOUT_DOCUMENT:
1257                 owner->getDialogs().showDocument();
1258                 break;
1259
1260         case LFUN_LAYOUT_CHARACTER: {
1261                 string data = freefont2string();
1262                 if (!data.empty())
1263                         owner->getDialogs().show("character", data);
1264                 break;
1265         }
1266
1267         case LFUN_LAYOUT_TABULAR:
1268             if (view()->theLockingInset()) {
1269                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1270                     InsetTabular * inset = static_cast<InsetTabular *>
1271                         (view()->theLockingInset());
1272                     inset->openLayoutDialog(view());
1273                 } else if (view()->theLockingInset()->
1274                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1275                     InsetTabular * inset = static_cast<InsetTabular *>(
1276                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1277                     inset->openLayoutDialog(view());
1278                 }
1279             }
1280             break;
1281
1282         case LFUN_LAYOUT_PREAMBLE:
1283                 owner->getDialogs().showPreamble();
1284                 break;
1285
1286         case LFUN_DROP_LAYOUTS_CHOICE:
1287                 owner->getToolbar().openLayoutList();
1288                 break;
1289
1290         case LFUN_MENU_OPEN_BY_NAME:
1291                 owner->getMenubar().openByName(argument);
1292                 break; // RVDK_PATCH_5
1293
1294         case LFUN_SPELLCHECK:
1295                 owner->getDialogs().showSpellchecker();
1296                 break;
1297
1298         // --- lyxserver commands ----------------------------
1299
1300
1301         case LFUN_GETNAME:
1302                 setMessage(owner->buffer()->fileName());
1303                 lyxerr[Debug::INFO] << "FNAME["
1304                                << owner->buffer()->fileName()
1305                                << "] " << endl;
1306                 break;
1307
1308         case LFUN_NOTIFY:
1309         {
1310                 dispatch_buffer = keyseq.print();
1311                 lyxserver->notifyClient(dispatch_buffer);
1312         }
1313         break;
1314
1315         case LFUN_GOTOFILEROW:
1316         {
1317                 string file_name;
1318                 int row;
1319                 istringstream istr(argument.c_str());
1320                 istr >> file_name >> row;
1321                 // Must replace extension of the file to be .lyx and get full path
1322                 string const s(ChangeExtension(file_name, ".lyx"));
1323
1324                 // Either change buffer or load the file
1325                 if (bufferlist.exists(s)) {
1326                         view()->buffer(bufferlist.getBuffer(s));
1327                 } else {
1328                         view()->buffer(bufferlist.loadLyXFile(s));
1329                 }
1330
1331                 view()->setCursorFromRow(row);
1332
1333                 view()->center();
1334                 // see BufferView_pimpl::center()
1335                 view()->updateScrollbar();
1336         }
1337         break;
1338
1339         case LFUN_GOTO_PARAGRAPH:
1340         {
1341                 istringstream istr(argument.c_str());
1342
1343                 int id;
1344                 istr >> id;
1345                 Paragraph * par = owner->buffer()->getParFromID(id);
1346                 if (par == 0) {
1347                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1348                                             << id << ']' << endl;
1349                         break;
1350                 } else {
1351                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1352                                             << " found." << endl;
1353                 }
1354
1355                 if (view()->theLockingInset())
1356                         view()->unlockInset(view()->theLockingInset());
1357                 if (par->inInset()) {
1358                         par->inInset()->edit(view());
1359                 }
1360                 // Set the cursor
1361                 view()->getLyXText()->setCursor(par, 0);
1362                 view()->switchKeyMap();
1363                 owner->view_state_changed();
1364
1365                 view()->center();
1366                 // see BufferView_pimpl::center()
1367                 view()->updateScrollbar();
1368         }
1369         break;
1370
1371         // --- insert characters ----------------------------------------
1372
1373         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1374         case LFUN_MATH_EXTERN:
1375         case LFUN_MATH_NUMBER:
1376         case LFUN_MATH_NONUMBER:
1377         case LFUN_MATH_LIMITS:
1378         {
1379                 setErrorMessage(N_("This is only allowed in math mode!"));
1380         }
1381         break;
1382
1383         // passthrough hat and underscore outside mathed:
1384         case LFUN_SUBSCRIPT:
1385                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1386                 break;
1387         case LFUN_SUPERSCRIPT:
1388                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1389                 break;
1390
1391         case LFUN_MATH_PANEL:
1392                 owner->getDialogs().showMathPanel();
1393                 break;
1394
1395         case LFUN_DIALOG_SHOW_NEW_INSET: {
1396                 string const & name = argument;
1397                 string data;
1398                 if (name == "bibitem" ||
1399                     name == "bibtex" ||
1400                     name == "include" ||
1401                     name == "index" ||
1402                     name == "ref" ||
1403                     name == "toc" ||
1404                     name == "url") {
1405                         InsetCommandParams p(name);
1406                         data = InsetCommandMailer::params2string(name, p);
1407                 } else if (name == "citation") {
1408                         InsetCommandParams p("cite");
1409                         data = InsetCommandMailer::params2string(name, p);
1410                 }
1411                 owner->getDialogs().show(name, data, 0);
1412         }
1413         break;
1414
1415         case LFUN_DIALOG_SHOW_NEXT_INSET: {
1416         }
1417         break;
1418
1419         case LFUN_DIALOG_UPDATE: {
1420                 string const & name = argument;
1421                 // Can only update a dialog connected to an existing inset
1422                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1423                 if (inset) {
1424                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1425                                        ev.argument);
1426                         inset->localDispatch(fr);
1427                 } else if (name == "paragraph") {
1428                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1429                 }
1430         }
1431         break;
1432
1433         case LFUN_DIALOG_HIDE:
1434                 Dialogs::hide(argument, 0);
1435                 break;
1436
1437         case LFUN_DIALOG_DISCONNECT_INSET:
1438                 owner->getDialogs().disconnect(argument);
1439                 break;
1440
1441         case LFUN_CHILDOPEN:
1442         {
1443                 string const filename =
1444                         MakeAbsPath(argument,
1445                                     owner->buffer()->filePath());
1446                 setMessage(N_("Opening child document ") +
1447                            MakeDisplayPath(filename) + "...");
1448                 view()->savePosition(0);
1449                 if (bufferlist.exists(filename))
1450                         view()->buffer(bufferlist.getBuffer(filename));
1451                 else
1452                         view()->buffer(bufferlist.loadLyXFile(filename));
1453         }
1454         break;
1455
1456         case LFUN_TOGGLECURSORFOLLOW:
1457                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1458                 break;
1459
1460         case LFUN_KMAP_OFF:
1461                 owner->getIntl().KeyMapOn(false);
1462                 break;
1463
1464         case LFUN_KMAP_PRIM:
1465                 owner->getIntl().KeyMapPrim();
1466                 break;
1467
1468         case LFUN_KMAP_SEC:
1469                 owner->getIntl().KeyMapSec();
1470                 break;
1471
1472         case LFUN_KMAP_TOGGLE:
1473                 owner->getIntl().ToggleKeyMap();
1474                 break;
1475
1476         case LFUN_SEQUENCE:
1477         {
1478                 // argument contains ';'-terminated commands
1479                 while (!argument.empty()) {
1480                         string first;
1481                         argument = split(argument, first, ';');
1482                         dispatch(first);
1483                 }
1484         }
1485         break;
1486
1487         case LFUN_DIALOG_PREFERENCES:
1488                 owner->getDialogs().showPreferences();
1489                 break;
1490
1491         case LFUN_SAVEPREFERENCES:
1492         {
1493                 Path p(user_lyxdir);
1494                 lyxrc.write("preferences");
1495         }
1496         break;
1497
1498         case LFUN_SCREEN_FONT_UPDATE:
1499         {
1500                 // handle the screen font changes.
1501                 lyxrc.set_font_norm_type();
1502                 lyx_gui::update_fonts();
1503                 // We also need to empty the textcache so that
1504                 // the buffer will be formatted correctly after
1505                 // a zoom change.
1506                 textcache.clear();
1507                 // Of course we should only do the resize and the textcache.clear
1508                 // if values really changed...but not very important right now. (Lgb)
1509                 // All visible buffers will need resize
1510                 view()->resize();
1511                 view()->repaint();
1512         }
1513         break;
1514
1515         case LFUN_SET_COLOR:
1516         {
1517                 string lyx_name;
1518                 string const x11_name = split(argument, lyx_name, ' ');
1519                 if (lyx_name.empty() || x11_name.empty()) {
1520                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1521                                                 " <x11_name>"));
1522                         break;
1523                         }
1524
1525                 bool const graphicsbg_changed =
1526                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1527                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1528
1529                 if (!lcolor.setColor(lyx_name, x11_name)) {
1530 #if USE_BOOST_FORMAT
1531                         setErrorMessage(
1532                                 boost::io::str(
1533                                         boost::format(
1534                                                 _("Set-color \"%1$s\" failed "
1535                                                   "- color is undefined or "
1536                                                   "may not be redefined"))
1537                                         % lyx_name));
1538 #else
1539                         setErrorMessage(_("Set-color ") + lyx_name
1540                                         + _(" failed - color is undefined"
1541                                             " or may not be redefined"));
1542 #endif
1543
1544                         break;
1545                 }
1546
1547                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1548
1549                 if (graphicsbg_changed) {
1550 #ifdef WITH_WARNINGS
1551 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1552 #endif
1553 #if 0
1554                         grfx::GCache & gc = grfx::GCache::get();
1555                         gc.changeDisplay(true);
1556 #endif
1557                 }
1558
1559                 view()->repaint();
1560                 break;
1561         }
1562
1563         case LFUN_MESSAGE:
1564                 owner->message(argument);
1565                 break;
1566
1567         case LFUN_FORKS_SHOW:
1568                 owner->getDialogs().showForks();
1569                 break;
1570
1571         case LFUN_FORKS_KILL:
1572         {
1573                 if (!isStrInt(argument))
1574                         break;
1575
1576                 pid_t const pid = strToInt(argument);
1577                 ForkedcallsController & fcc = ForkedcallsController::get();
1578                 fcc.kill(pid);
1579                 break;
1580         }
1581
1582         case LFUN_TOOLTIPS_TOGGLE:
1583                 owner->getDialogs().toggleTooltips();
1584                 break;
1585
1586         default:
1587                 // Then if it was none of the above
1588                 // Trying the BufferView::pimpl dispatch:
1589                 if (!view()->dispatch(ev))
1590                         lyxerr << "A truly unknown func ["
1591                                << lyxaction.getActionName(ev.action) << "]!"
1592                                << endl;
1593                 break;
1594         } // end of switch
1595
1596 exit_with_message:
1597
1598         view()->owner()->updateLayoutChoice();
1599
1600         if (view()->available()) {
1601                 view()->fitCursor();
1602
1603                 // If we executed a mutating lfun, mark the buffer as dirty
1604                 if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)
1605                     && !lyxaction.funcHasFlag(ev.action, LyXAction::ReadOnly))
1606                         view()->buffer()->markDirty();
1607         }
1608
1609         sendDispatchMessage(getMessage(), ev, verbose);
1610 }
1611
1612
1613 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1614 {
1615         owner->updateMenubar();
1616         owner->updateToolbar();
1617
1618         if (ev.action == LFUN_SELFINSERT || !verbose) {
1619                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1620                 if (!msg.empty())
1621                         owner->message(msg);
1622                 return;
1623         }
1624
1625         string dispatch_msg = msg;
1626         if (!dispatch_msg.empty())
1627                 dispatch_msg += ' ';
1628
1629         string comname = lyxaction.getActionName(ev.action);
1630
1631         int pseudoaction = ev.action;
1632         bool argsadded = false;
1633
1634         if (!ev.argument.empty()) {
1635                 // the pseudoaction is useful for the bindings
1636                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1637
1638                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1639                         pseudoaction = ev.action;
1640                 } else {
1641                         comname += ' ' + ev.argument;
1642                         argsadded = true;
1643                 }
1644         }
1645
1646         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1647
1648         if (!shortcuts.empty()) {
1649                 comname += ": " + shortcuts;
1650         } else if (!argsadded && !ev.argument.empty()) {
1651                 comname += ' ' + ev.argument;
1652         }
1653
1654         if (!comname.empty()) {
1655                 comname = rtrim(comname);
1656                 dispatch_msg += '(' + comname + ')';
1657         }
1658
1659         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1660         if (!dispatch_msg.empty())
1661                 owner->message(dispatch_msg);
1662 }
1663
1664
1665 void LyXFunc::setupLocalKeymap()
1666 {
1667         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1668         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1669 }
1670
1671
1672 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1673 {
1674         string initpath = lyxrc.document_path;
1675         string filename(name);
1676
1677         if (view()->available()) {
1678                 string const trypath = owner->buffer()->filePath();
1679                 // If directory is writeable, use this as default.
1680                 if (IsDirWriteable(trypath))
1681                         initpath = trypath;
1682         }
1683
1684         static int newfile_number;
1685
1686         if (filename.empty()) {
1687                 filename = AddName(lyxrc.document_path,
1688                             "newfile" + tostr(++newfile_number) + ".lyx");
1689                 FileInfo fi(filename);
1690                 while (bufferlist.exists(filename) || fi.readable()) {
1691                         ++newfile_number;
1692                         filename = AddName(lyxrc.document_path,
1693                                     "newfile" + tostr(newfile_number) +
1694                                     ".lyx");
1695                         fi.newFile(filename);
1696                 }
1697         }
1698
1699         // The template stuff
1700         string templname;
1701         if (fromTemplate) {
1702                 FileDialog fileDlg(_("Select template file"),
1703                         LFUN_SELECT_FILE_SYNC,
1704                         make_pair(string(_("Documents|#o#O")),
1705                                   string(lyxrc.document_path)),
1706                         make_pair(string(_("Templates|#T#t")),
1707                                   string(lyxrc.template_path)));
1708
1709                 FileDialog::Result result =
1710                         fileDlg.open(lyxrc.template_path,
1711                                        _("*.lyx| LyX Documents (*.lyx)"));
1712
1713                 if (result.first == FileDialog::Later)
1714                         return;
1715
1716                 string const fname = result.second;
1717
1718                 if (fname.empty())
1719                         return;
1720                 templname = fname;
1721         }
1722
1723         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1724 }
1725
1726
1727 void LyXFunc::open(string const & fname)
1728 {
1729         string initpath = lyxrc.document_path;
1730
1731         if (view()->available()) {
1732                 string const trypath = owner->buffer()->filePath();
1733                 // If directory is writeable, use this as default.
1734                 if (IsDirWriteable(trypath))
1735                         initpath = trypath;
1736         }
1737
1738         string filename;
1739
1740         if (fname.empty()) {
1741                 FileDialog fileDlg(_("Select document to open"),
1742                         LFUN_FILE_OPEN,
1743                         make_pair(string(_("Documents|#o#O")),
1744                                   string(lyxrc.document_path)),
1745                         make_pair(string(_("Examples|#E#e")),
1746                                   string(AddPath(system_lyxdir, "examples"))));
1747
1748                 FileDialog::Result result =
1749                         fileDlg.open(initpath,
1750                                        _("*.lyx| LyX Documents (*.lyx)"));
1751
1752                 if (result.first == FileDialog::Later)
1753                         return;
1754
1755                 filename = result.second;
1756
1757                 // check selected filename
1758                 if (filename.empty()) {
1759                         owner->message(_("Canceled."));
1760                         return;
1761                 }
1762         } else
1763                 filename = fname;
1764
1765         // get absolute path of file and add ".lyx" to the filename if
1766         // necessary
1767         string const fullpath = FileSearch(string(), filename, "lyx");
1768         if (!fullpath.empty()) {
1769                 filename = fullpath;
1770         }
1771
1772         string const disp_fn(MakeDisplayPath(filename));
1773
1774         // if the file doesn't exist, let the user create one
1775         FileInfo const f(filename, true);
1776         if (!f.exist()) {
1777                 // the user specifically chose this name. Believe them.
1778                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1779                 view()->buffer(buffer);
1780                 return;
1781         }
1782
1783         ostringstream str;
1784 #if USE_BOOST_FORMAT
1785         str << boost::format(_("Opening document %1$s...")) % disp_fn;
1786 #else
1787         str << _("Opening document ") << disp_fn << _("...");
1788 #endif
1789
1790         owner->message(STRCONV(str.str()));
1791
1792         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1793         ostringstream str2;
1794         if (openbuf) {
1795                 view()->buffer(openbuf);
1796 #if USE_BOOST_FORMAT
1797                 str2 << boost::format(_("Document %1$s opened.")) % disp_fn;
1798 #else
1799                 str2 << _("Document ") << disp_fn << _(" opened.");
1800 #endif
1801         } else {
1802 #if USE_BOOST_FORMAT
1803                 str2 << boost::format(_("Could not open document %1$s"))
1804                         % disp_fn;
1805 #else
1806                 str2 << _("Could not open document ") << disp_fn;
1807 #endif
1808         }
1809         owner->message(STRCONV(str2.str()));
1810 }
1811
1812
1813 void LyXFunc::doImport(string const & argument)
1814 {
1815         string format;
1816         string filename = split(argument, format, ' ');
1817
1818         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1819                             << " file: " << filename << endl;
1820
1821         // need user interaction
1822         if (filename.empty()) {
1823                 string initpath = lyxrc.document_path;
1824
1825                 if (view()->available()) {
1826                         string const trypath = owner->buffer()->filePath();
1827                         // If directory is writeable, use this as default.
1828                         if (IsDirWriteable(trypath))
1829                                 initpath = trypath;
1830                 }
1831
1832 #if USE_BOOST_FORMAT
1833                 boost::format fmt(_("Select %1$s file to import"));
1834                 fmt % formats.prettyName(format);
1835                 string const text = fmt.str();
1836 #else
1837                 string const text = _("Select ") + formats.prettyName(format)
1838                         + _(" file to import");;
1839 #endif
1840
1841                 FileDialog fileDlg(text,
1842                         LFUN_IMPORT,
1843                         make_pair(string(_("Documents|#o#O")),
1844                                   string(lyxrc.document_path)),
1845                         make_pair(string(_("Examples|#E#e")),
1846                                   string(AddPath(system_lyxdir, "examples"))));
1847
1848                 string const extension = "*." + formats.extension(format)
1849                         + "| " + formats.prettyName(format)
1850                         + " (*." + formats.extension(format) + ')';
1851
1852                 FileDialog::Result result = fileDlg.open(initpath,
1853                                                            extension);
1854
1855                 if (result.first == FileDialog::Later)
1856                         return;
1857
1858                 filename = result.second;
1859
1860                 // check selected filename
1861                 if (filename.empty())
1862                         owner->message(_("Canceled."));
1863         }
1864
1865         if (filename.empty())
1866                 return;
1867
1868         // get absolute path of file
1869         filename = MakeAbsPath(filename);
1870
1871         string const lyxfile = ChangeExtension(filename, ".lyx");
1872
1873         // Check if the document already is open
1874         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1875                 string const file = MakeDisplayPath(lyxfile, 30);
1876
1877                 // FIXME: sucky UI !
1878
1879 #if USE_BOOST_FORMAT
1880                 boost::format fmt(_("The document %1$s is already open.\n\nDo you want to close that document?"));
1881                 fmt % file;
1882                 string text = fmt.str();
1883 #else
1884                 string text = _("The document ");
1885                 text += file + _(" is already open.\n\nDo you want to close that document?");
1886 #endif
1887                 int const ret = Alert::prompt(_("Close open document?"),
1888                         text, 1, _("&Close"), _("&Cancel"));
1889
1890                 if (ret == 0 || !bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1891                         owner->message(_("Canceled."));
1892                         return;
1893                 }
1894         }
1895
1896         // if the file exists already, and we didn't do
1897         // -i lyx thefile.lyx, warn
1898         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1899                 string const file = MakeDisplayPath(lyxfile, 30);
1900
1901 #if USE_BOOST_FORMAT
1902                 boost::format fmt(_("The document %1$s already exists.\n\nDo you want to over-write that document?"));
1903                 fmt % file;
1904                 string text = fmt.str();
1905 #else
1906                 string text = _("The document ");
1907                 text += file + _(" already exists.\n\nDo you want to over-write that document?");
1908 #endif
1909                 int const ret = Alert::prompt(_("Over-write document?"),
1910                         text, 1, _("&Over-write"), _("&Cancel"));
1911
1912                 if (ret == 1) {
1913                         owner->message(_("Canceled."));
1914                         return;
1915                 }
1916         }
1917
1918         Importer::Import(owner, filename, format);
1919 }
1920
1921
1922 void LyXFunc::closeBuffer()
1923 {
1924         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1925                 if (bufferlist.empty()) {
1926                         // need this otherwise SEGV may occur while trying to
1927                         // set variables that don't exist
1928                         // since there's no current buffer
1929                         owner->getDialogs().hideBufferDependent();
1930                 } else {
1931                         view()->buffer(bufferlist.first());
1932                 }
1933         }
1934 }
1935
1936
1937 // Each "owner" should have it's own message method. lyxview and
1938 // the minibuffer would use the minibuffer, but lyxserver would
1939 // send an ERROR signal to its client.  Alejandro 970603
1940 // This func is bit problematic when it comes to NLS, to make the
1941 // lyx servers client be language indepenent we must not translate
1942 // strings sent to this func.
1943 void LyXFunc::setErrorMessage(string const & m) const
1944 {
1945         dispatch_buffer = m;
1946         errorstat = true;
1947 }
1948
1949
1950 void LyXFunc::setMessage(string const & m) const
1951 {
1952         dispatch_buffer = m;
1953 }
1954
1955
1956 void LyXFunc::setStatusMessage(string const & m) const
1957 {
1958         status_buffer = m;
1959 }
1960
1961
1962 string const LyXFunc::view_status_message()
1963 {
1964         // When meta-fake key is pressed, show the key sequence so far + "M-".
1965         if (wasMetaKey()) {
1966                 return keyseq.print() + "M-";
1967         }
1968
1969         // Else, when a non-complete key sequence is pressed,
1970         // show the available options.
1971         if (keyseq.length() > 0 && !keyseq.deleted()) {
1972                 return keyseq.printOptions();
1973         }
1974
1975         if (!view()->available())
1976                 return _("Welcome to LyX!");
1977
1978         return currentState(view());
1979 }
1980
1981
1982 BufferView * LyXFunc::view() const
1983 {
1984         lyx::Assert(owner);
1985         return owner->view().get();
1986 }