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* Hartmut's csv2lyx script
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1 /**
2  * \file LyXFunc.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author Alfredo Braunstein
7  * \author Lars Gullik Bjønnes
8  * \author Jean-Marc Lasgouttes
9  * \author Angus Leeming
10  * \author John Levon
11  * \author André Pönitz
12  * \author Allan Rae
13  * \author Dekel Tsur
14  * \author Martin Vermeer
15  * \author Jürgen Vigna
16  *
17  * Full author contact details are available in file CREDITS.
18  */
19
20 #include <config.h>
21
22 #include "LyXFunc.h"
23
24 #include "LayoutFile.h"
25 #include "BranchList.h"
26 #include "buffer_funcs.h"
27 #include "Buffer.h"
28 #include "BufferList.h"
29 #include "BufferParams.h"
30 #include "BufferView.h"
31 #include "CmdDef.h"
32 #include "Color.h"
33 #include "Converter.h"
34 #include "Cursor.h"
35 #include "CutAndPaste.h"
36 #include "DispatchResult.h"
37 #include "Encoding.h"
38 #include "ErrorList.h"
39 #include "Format.h"
40 #include "FuncRequest.h"
41 #include "FuncStatus.h"
42 #include "InsetIterator.h"
43 #include "Intl.h"
44 #include "KeyMap.h"
45 #include "Language.h"
46 #include "Lexer.h"
47 #include "LyXAction.h"
48 #include "lyxfind.h"
49 #include "LyX.h"
50 #include "LyXRC.h"
51 #include "LyXVC.h"
52 #include "Paragraph.h"
53 #include "ParagraphParameters.h"
54 #include "ParIterator.h"
55 #include "Row.h"
56 #include "Server.h"
57 #include "Session.h"
58
59 #include "insets/InsetBox.h"
60 #include "insets/InsetBranch.h"
61 #include "insets/InsetCommand.h"
62 #include "insets/InsetERT.h"
63 #include "insets/InsetExternal.h"
64 #include "insets/InsetFloat.h"
65 #include "insets/InsetListings.h"
66 #include "insets/InsetGraphics.h"
67 #include "insets/InsetInclude.h"
68 #include "insets/InsetNote.h"
69 #include "insets/InsetSpace.h"
70 #include "insets/InsetTabular.h"
71 #include "insets/InsetVSpace.h"
72 #include "insets/InsetWrap.h"
73
74 #include "frontends/alert.h"
75 #include "frontends/Application.h"
76 #include "frontends/KeySymbol.h"
77 #include "frontends/LyXView.h"
78 #include "frontends/Selection.h"
79
80 #include "support/debug.h"
81 #include "support/environment.h"
82 #include "support/FileName.h"
83 #include "support/filetools.h"
84 #include "support/gettext.h"
85 #include "support/lstrings.h"
86 #include "support/Path.h"
87 #include "support/Package.h"
88 #include "support/Systemcall.h"
89 #include "support/convert.h"
90 #include "support/os.h"
91
92 #include <sstream>
93 #include <vector>
94
95 using namespace std;
96 using namespace lyx::support;
97
98 namespace lyx {
99
100 using frontend::LyXView;
101
102 namespace Alert = frontend::Alert;
103
104 namespace {
105
106
107 // This function runs "configure" and then rereads lyx.defaults to
108 // reconfigure the automatic settings.
109 void reconfigure(LyXView * lv, string const & option)
110 {
111         // emit message signal.
112         if (lv)
113                 lv->message(_("Running configure..."));
114
115         // Run configure in user lyx directory
116         PathChanger p(package().user_support());
117         string configure_command = package().configure_command();
118         configure_command += option;
119         Systemcall one;
120         int ret = one.startscript(Systemcall::Wait, configure_command);
121         p.pop();
122         // emit message signal.
123         if (lv)
124                 lv->message(_("Reloading configuration..."));
125         lyxrc.read(libFileSearch(string(), "lyxrc.defaults"));
126         // Re-read packages.lst
127         LaTeXFeatures::getAvailable();
128
129         if (ret)
130                 Alert::information(_("System reconfiguration failed"),
131                            _("The system reconfiguration has failed.\n"
132                                   "Default textclass is used but LyX may "
133                                   "not be able to work properly.\n"
134                                   "Please reconfigure again if needed."));
135         else
136
137                 Alert::information(_("System reconfigured"),
138                            _("The system has been reconfigured.\n"
139                              "You need to restart LyX to make use of any\n"
140                              "updated document class specifications."));
141 }
142
143
144 bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
145 {
146         // Try to fix cursor in case it is broken.
147         cursor.fixIfBroken();
148
149         // This is, of course, a mess. Better create a new doc iterator and use
150         // this in Inset::getStatus. This might require an additional
151         // BufferView * arg, though (which should be avoided)
152         //Cursor safe = *this;
153         bool res = false;
154         for ( ; cursor.depth(); cursor.pop()) {
155                 //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
156                 LASSERT(cursor.idx() <= cursor.lastidx(), /**/);
157                 LASSERT(cursor.pit() <= cursor.lastpit(), /**/);
158                 LASSERT(cursor.pos() <= cursor.lastpos(), /**/);
159
160                 // The inset's getStatus() will return 'true' if it made
161                 // a definitive decision on whether it want to handle the
162                 // request or not. The result of this decision is put into
163                 // the 'status' parameter.
164                 if (cursor.inset().getStatus(cursor, cmd, status)) {
165                         res = true;
166                         break;
167                 }
168         }
169         return res;
170 }
171
172
173 /** Return the change status at cursor position, taking in account the
174  * status at each level of the document iterator (a table in a deleted
175  * footnote is deleted).
176  * When \param outer is true, the top slice is not looked at.
177  */
178 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
179 {
180         size_t const depth = dit.depth() - (outer ? 1 : 0);
181
182         for (size_t i = 0 ; i < depth ; ++i) {
183                 CursorSlice const & slice = dit[i];
184                 if (!slice.inset().inMathed()
185                     && slice.pos() < slice.paragraph().size()) {
186                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
187                         if (ch != Change::UNCHANGED)
188                                 return ch;
189                 }
190         }
191         return Change::UNCHANGED;
192 }
193
194 }
195
196
197 LyXFunc::LyXFunc()
198         : lyx_view_(0), encoded_last_key(0), meta_fake_bit(NoModifier)
199 {
200 }
201
202
203 void LyXFunc::initKeySequences(KeyMap * kb)
204 {
205         keyseq = KeySequence(kb, kb);
206         cancel_meta_seq = KeySequence(kb, kb);
207 }
208
209
210 void LyXFunc::setLyXView(LyXView * lv)
211 {
212         if (lyx_view_ && lyx_view_->view() && lyx_view_ != lv)
213                 // save current selection to the selection buffer to allow
214                 // middle-button paste in another window
215                 cap::saveSelection(lyx_view_->view()->cursor());
216         lyx_view_ = lv;
217 }
218
219
220 void LyXFunc::handleKeyFunc(FuncCode action)
221 {
222         char_type c = encoded_last_key;
223
224         if (keyseq.length())
225                 c = 0;
226
227         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
228         lyx_view_->view()->getIntl().getTransManager().deadkey(
229                 c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
230         // Need to clear, in case the minibuffer calls these
231         // actions
232         keyseq.clear();
233         // copied verbatim from do_accent_char
234         view()->cursor().resetAnchor();
235         view()->processUpdateFlags(Update::FitCursor);
236 }
237
238 //FIXME: bookmark handling is a frontend issue. This code should be transferred
239 // to GuiView and be GuiView and be window dependent.
240 void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
241 {
242         LASSERT(lyx_view_, /**/);
243         if (!LyX::ref().session().bookmarks().isValid(idx))
244                 return;
245         BookmarksSection::Bookmark const & bm = LyX::ref().session().bookmarks().bookmark(idx);
246         LASSERT(!bm.filename.empty(), /**/);
247         string const file = bm.filename.absFilename();
248         // if the file is not opened, open it.
249         if (!theBufferList().exists(file)) {
250                 if (openFile)
251                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
252                 else
253                         return;
254         }
255         // open may fail, so we need to test it again
256         if (!theBufferList().exists(file))
257                 return;
258
259         // if the current buffer is not that one, switch to it.
260         if (lyx_view_->buffer()->absFileName() != file) {
261                 if (!switchToBuffer)
262                         return;
263                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
264         }
265         // moveToPosition try paragraph id first and then paragraph (pit, pos).
266         if (!view()->moveToPosition(bm.bottom_pit, bm.bottom_pos,
267                 bm.top_id, bm.top_pos))
268                 return;
269
270         // Cursor jump succeeded!
271         Cursor const & cur = view()->cursor();
272         pit_type new_pit = cur.pit();
273         pos_type new_pos = cur.pos();
274         int new_id = cur.paragraph().id();
275
276         // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
277         // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
278         if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos 
279                 || bm.top_id != new_id) {
280                 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
281                         new_pit, new_pos, new_id);
282         }
283 }
284
285
286 void LyXFunc::processKeySym(KeySymbol const & keysym, KeyModifier state)
287 {
288         LYXERR(Debug::KEY, "KeySym is " << keysym.getSymbolName());
289
290         // Do nothing if we have nothing (JMarc)
291         if (!keysym.isOK()) {
292                 LYXERR(Debug::KEY, "Empty kbd action (probably composing)");
293                 lyx_view_->restartCursor();
294                 return;
295         }
296
297         if (keysym.isModifier()) {
298                 LYXERR(Debug::KEY, "isModifier true");
299                 if (lyx_view_)
300                         lyx_view_->restartCursor();
301                 return;
302         }
303
304         //Encoding const * encoding = view()->cursor().getEncoding();
305         //encoded_last_key = keysym.getISOEncoded(encoding ? encoding->name() : "");
306         // FIXME: encoded_last_key shadows the member variable of the same
307         // name. Is that intended?
308         char_type encoded_last_key = keysym.getUCSEncoded();
309
310         // Do a one-deep top-level lookup for
311         // cancel and meta-fake keys. RVDK_PATCH_5
312         cancel_meta_seq.reset();
313
314         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
315         LYXERR(Debug::KEY, "action first set to [" << func.action << ']');
316
317         // When not cancel or meta-fake, do the normal lookup.
318         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
319         // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
320         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
321                 // remove Caps Lock and Mod2 as a modifiers
322                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
323                 LYXERR(Debug::KEY, "action now set to [" << func.action << ']');
324         }
325
326         // Dont remove this unless you know what you are doing.
327         meta_fake_bit = NoModifier;
328
329         // Can this happen now ?
330         if (func.action == LFUN_NOACTION)
331                 func = FuncRequest(LFUN_COMMAND_PREFIX);
332
333         LYXERR(Debug::KEY, " Key [action=" << func.action << "]["
334                 << keyseq.print(KeySequence::Portable) << ']');
335
336         // already here we know if it any point in going further
337         // why not return already here if action == -1 and
338         // num_bytes == 0? (Lgb)
339
340         if (keyseq.length() > 1)
341                 lyx_view_->message(keyseq.print(KeySequence::ForGui));
342
343
344         // Maybe user can only reach the key via holding down shift.
345         // Let's see. But only if shift is the only modifier
346         if (func.action == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
347                 LYXERR(Debug::KEY, "Trying without shift");
348                 func = keyseq.addkey(keysym, NoModifier);
349                 LYXERR(Debug::KEY, "Action now " << func.action);
350         }
351
352         if (func.action == LFUN_UNKNOWN_ACTION) {
353                 // Hmm, we didn't match any of the keysequences. See
354                 // if it's normal insertable text not already covered
355                 // by a binding
356                 if (keysym.isText() && keyseq.length() == 1) {
357                         LYXERR(Debug::KEY, "isText() is true, inserting.");
358                         func = FuncRequest(LFUN_SELF_INSERT,
359                                            FuncRequest::KEYBOARD);
360                 } else {
361                         LYXERR(Debug::KEY, "Unknown, !isText() - giving up");
362                         lyx_view_->message(_("Unknown function."));
363                         lyx_view_->restartCursor();
364                         return;
365                 }
366         }
367
368         if (func.action == LFUN_SELF_INSERT) {
369                 if (encoded_last_key != 0) {
370                         docstring const arg(1, encoded_last_key);
371                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
372                                              FuncRequest::KEYBOARD));
373                         LYXERR(Debug::KEY, "SelfInsert arg[`" << to_utf8(arg) << "']");
374                 }
375         } else {
376                 dispatch(func);
377                 if (!lyx_view_)
378                         return;
379         }
380 }
381
382
383 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
384 {
385         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
386         FuncStatus flag;
387
388         Buffer * buf = lyx_view_ ? lyx_view_->buffer() : 0;
389
390         if (cmd.action == LFUN_NOACTION) {
391                 flag.message(from_utf8(N_("Nothing to do")));
392                 flag.enabled(false);
393                 return flag;
394         }
395
396         switch (cmd.action) {
397         case LFUN_UNKNOWN_ACTION:
398 #ifndef HAVE_LIBAIKSAURUS
399         case LFUN_THESAURUS_ENTRY:
400 #endif
401                 flag.unknown(true);
402                 flag.enabled(false);
403                 break;
404
405         default:
406                 break;
407         }
408
409         if (flag.unknown()) {
410                 flag.message(from_utf8(N_("Unknown action")));
411                 return flag;
412         }
413
414         if (!flag.enabled()) {
415                 if (flag.message().empty())
416                         flag.message(from_utf8(N_("Command disabled")));
417                 return flag;
418         }
419
420         // Check whether we need a buffer
421         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
422                 // no, exit directly
423                 flag.message(from_utf8(N_("Command not allowed with"
424                                     "out any document open")));
425                 flag.enabled(false);
426                 return flag;
427         }
428
429         // I would really like to avoid having this switch and rather try to
430         // encode this in the function itself.
431         // -- And I'd rather let an inset decide which LFUNs it is willing
432         // to handle (Andre')
433         bool enable = true;
434         switch (cmd.action) {
435
436         // FIXME: these cases should be hidden in GuiApplication::getStatus().
437         case LFUN_WINDOW_CLOSE:
438                 if (theApp())
439                         return theApp()->getStatus(cmd);
440                 enable = false;
441                 break;
442
443         // FIXME: these cases should be hidden in GuiView::getStatus().
444         case LFUN_DIALOG_TOGGLE:
445         case LFUN_DIALOG_SHOW:
446         case LFUN_UI_TOGGLE:
447         case LFUN_DIALOG_UPDATE:
448                 // FIXME: add special handling for about and prefs dialogs here
449                 // which do not depend on GuiView.
450                 if (lyx_view_)
451                         return lyx_view_->getStatus(cmd);
452                 else
453                         enable = false;
454                 break;
455
456         case LFUN_TOOLBAR_TOGGLE:
457         case LFUN_INSET_APPLY:
458         case LFUN_BUFFER_WRITE:
459         case LFUN_BUFFER_WRITE_AS:
460         case LFUN_SPLIT_VIEW:
461         case LFUN_CLOSE_TAB_GROUP:
462         case LFUN_COMPLETION_POPUP:
463         case LFUN_COMPLETION_INLINE:
464         case LFUN_COMPLETION_COMPLETE:
465                 if (lyx_view_)
466                         return lyx_view_->getStatus(cmd);
467                 enable = false;
468                 break;
469
470         case LFUN_BUFFER_TOGGLE_READ_ONLY:
471                 flag.setOnOff(buf->isReadonly());
472                 break;
473
474         case LFUN_BUFFER_SWITCH:
475                 // toggle on the current buffer, but do not toggle off
476                 // the other ones (is that a good idea?)
477                 if (buf && to_utf8(cmd.argument()) == buf->absFileName())
478                         flag.setOnOff(true);
479                 break;
480
481         case LFUN_BUFFER_EXPORT:
482                 enable = cmd.argument() == "custom"
483                         || buf->isExportable(to_utf8(cmd.argument()));
484                 break;
485
486         case LFUN_BUFFER_CHKTEX:
487                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
488                 break;
489
490         case LFUN_BUILD_PROGRAM:
491                 enable = buf->isExportable("program");
492                 break;
493
494         case LFUN_VC_REGISTER:
495                 enable = !buf->lyxvc().inUse();
496                 break;
497         case LFUN_VC_CHECK_IN:
498                 enable = buf->lyxvc().inUse() && !buf->isReadonly();
499                 break;
500         case LFUN_VC_CHECK_OUT:
501                 enable = buf->lyxvc().inUse() && buf->isReadonly();
502                 break;
503         case LFUN_VC_REVERT:
504         case LFUN_VC_UNDO_LAST:
505                 enable = buf->lyxvc().inUse();
506                 break;
507         case LFUN_BUFFER_RELOAD:
508                 enable = !buf->isUnnamed() && buf->fileName().exists()
509                         && (!buf->isClean() || buf->isExternallyModified(Buffer::timestamp_method));
510                 break;
511
512         case LFUN_CITATION_INSERT: {
513                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
514                 enable = getStatus(fr).enabled();
515                 break;
516         }
517         
518         // This could be used for the no-GUI version. The GUI version is handled in
519         // LyXView::getStatus(). See above.
520         /*
521         case LFUN_BUFFER_WRITE:
522         case LFUN_BUFFER_WRITE_AS: {
523                 Buffer * b = theBufferList().getBuffer(cmd.getArg(0));
524                 enable = b && (b->isUnnamed() || !b->isClean());
525                 break;
526         }
527         */
528
529         case LFUN_BUFFER_WRITE_ALL: {
530                 // We enable the command only if there are some modified buffers
531                 Buffer * first = theBufferList().first();
532                 enable = false;
533                 if (!first)
534                         break;
535                 Buffer * b = first;
536                 // We cannot use a for loop as the buffer list is a cycle.
537                 do {
538                         if (!b->isClean()) {
539                                 enable = true;
540                                 break;
541                         }
542                         b = theBufferList().next(b);
543                 } while (b != first); 
544                 break;
545         }
546
547         case LFUN_BOOKMARK_GOTO: {
548                 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
549                 enable = LyX::ref().session().bookmarks().isValid(num);
550                 break;
551         }
552
553         case LFUN_BOOKMARK_CLEAR:
554                 enable = LyX::ref().session().bookmarks().size() > 0;
555                 break;
556
557         // this one is difficult to get right. As a half-baked
558         // solution, we consider only the first action of the sequence
559         case LFUN_COMMAND_SEQUENCE: {
560                 // argument contains ';'-terminated commands
561                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
562                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
563                 func.origin = cmd.origin;
564                 flag = getStatus(func);
565                 break;
566         }
567
568         case LFUN_CALL: {
569                 FuncRequest func;
570                 string name = to_utf8(cmd.argument());
571                 if (LyX::ref().topLevelCmdDef().lock(name, func)) {
572                         func.origin = cmd.origin;
573                         flag = getStatus(func);
574                         LyX::ref().topLevelCmdDef().release(name);
575                 } else {
576                         // catch recursion or unknown command definiton
577                         // all operations until the recursion or unknown command 
578                         // definiton occures are performed, so set the state to enabled
579                         enable = true;
580                 }
581                 break;
582         }
583
584         case LFUN_BUFFER_NEW:
585         case LFUN_BUFFER_NEW_TEMPLATE:
586         case LFUN_WORD_FIND_FORWARD:
587         case LFUN_WORD_FIND_BACKWARD:
588         case LFUN_COMMAND_PREFIX:
589         case LFUN_COMMAND_EXECUTE:
590         case LFUN_CANCEL:
591         case LFUN_META_PREFIX:
592         case LFUN_BUFFER_CLOSE:
593         case LFUN_BUFFER_UPDATE:
594         case LFUN_BUFFER_VIEW:
595         case LFUN_MASTER_BUFFER_UPDATE:
596         case LFUN_MASTER_BUFFER_VIEW:
597         case LFUN_BUFFER_IMPORT:
598         case LFUN_BUFFER_AUTO_SAVE:
599         case LFUN_RECONFIGURE:
600         case LFUN_HELP_OPEN:
601         case LFUN_FILE_OPEN:
602         case LFUN_DROP_LAYOUTS_CHOICE:
603         case LFUN_MENU_OPEN:
604         case LFUN_SERVER_GET_NAME:
605         case LFUN_SERVER_NOTIFY:
606         case LFUN_SERVER_GOTO_FILE_ROW:
607         case LFUN_DIALOG_HIDE:
608         case LFUN_DIALOG_DISCONNECT_INSET:
609         case LFUN_BUFFER_CHILD_OPEN:
610         case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
611         case LFUN_KEYMAP_OFF:
612         case LFUN_KEYMAP_PRIMARY:
613         case LFUN_KEYMAP_SECONDARY:
614         case LFUN_KEYMAP_TOGGLE:
615         case LFUN_REPEAT:
616         case LFUN_BUFFER_EXPORT_CUSTOM:
617         case LFUN_BUFFER_PRINT:
618         case LFUN_PREFERENCES_SAVE:
619         case LFUN_SCREEN_FONT_UPDATE:
620         case LFUN_SET_COLOR:
621         case LFUN_MESSAGE:
622         case LFUN_INSET_EDIT:
623         case LFUN_ALL_INSETS_TOGGLE:
624         case LFUN_BUFFER_LANGUAGE:
625         case LFUN_TEXTCLASS_APPLY:
626         case LFUN_TEXTCLASS_LOAD:
627         case LFUN_BUFFER_SAVE_AS_DEFAULT:
628         case LFUN_BUFFER_PARAMS_APPLY:
629         case LFUN_LAYOUT_MODULES_CLEAR:
630         case LFUN_LAYOUT_MODULE_ADD:
631         case LFUN_LAYOUT_RELOAD:
632         case LFUN_LYXRC_APPLY:
633         case LFUN_BUFFER_NEXT:
634         case LFUN_BUFFER_PREVIOUS:
635         case LFUN_WINDOW_NEW:
636         case LFUN_LYX_QUIT:
637                 // these are handled in our dispatch()
638                 break;
639
640         default:
641                 if (!view()) {
642                         enable = false;
643                         break;
644                 }
645                 if (!getLocalStatus(view()->cursor(), cmd, flag))
646                         flag = view()->getStatus(cmd);
647         }
648
649         if (!enable)
650                 flag.enabled(false);
651
652         // Can we use a readonly buffer?
653         if (buf && buf->isReadonly()
654             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
655             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
656                 flag.message(from_utf8(N_("Document is read-only")));
657                 flag.enabled(false);
658         }
659
660         // Are we in a DELETED change-tracking region?
661         if (buf && view() 
662                 && lookupChangeType(view()->cursor(), true) == Change::DELETED
663             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
664             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
665                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
666                 flag.enabled(false);
667         }
668
669         // the default error message if we disable the command
670         if (!flag.enabled() && flag.message().empty())
671                 flag.message(from_utf8(N_("Command disabled")));
672
673         return flag;
674 }
675
676
677 bool LyXFunc::ensureBufferClean(BufferView * bv)
678 {
679         Buffer & buf = bv->buffer();
680         if (buf.isClean())
681                 return true;
682
683         docstring const file = buf.fileName().displayName(30);
684         docstring text = bformat(_("The document %1$s has unsaved "
685                                              "changes.\n\nDo you want to save "
686                                              "the document?"), file);
687         int const ret = Alert::prompt(_("Save changed document?"),
688                                       text, 0, 1, _("&Save"),
689                                       _("&Cancel"));
690
691         if (ret == 0)
692                 dispatch(FuncRequest(LFUN_BUFFER_WRITE));
693
694         return buf.isClean();
695 }
696
697
698 namespace {
699
700 void showPrintError(string const & name)
701 {
702         docstring str = bformat(_("Could not print the document %1$s.\n"
703                                             "Check that your printer is set up correctly."),
704                              makeDisplayPath(name, 50));
705         Alert::error(_("Print document failed"), str);
706 }
707
708
709 bool loadLayoutFile(string const & name, string const & buf_path)
710 {
711         if (!LayoutFileList::get().haveClass(name)) {
712                 lyxerr << "Document class \"" << name
713                        << "\" does not exist."
714                        << endl;
715                 return false;
716         }
717
718         LayoutFile & tc = LayoutFileList::get()[name];
719         if (!tc.load(buf_path)) {
720                 docstring s = bformat(_("The document class %1$s "
721                                    "could not be loaded."), from_utf8(name));
722                 Alert::error(_("Could not load class"), s);
723                 return false;
724         }
725         return true;
726 }
727
728
729 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
730
731 } //namespace anon
732
733
734 void LyXFunc::dispatch(FuncRequest const & cmd)
735 {
736         string const argument = to_utf8(cmd.argument());
737         FuncCode const action = cmd.action;
738
739         LYXERR(Debug::ACTION, "\nLyXFunc::dispatch: cmd: " << cmd);
740         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
741
742         // we have not done anything wrong yet.
743         errorstat = false;
744         dispatch_buffer.erase();
745
746         // redraw the screen at the end (first of the two drawing steps).
747         //This is done unless explicitely requested otherwise
748         Update::flags updateFlags = Update::FitCursor;
749
750         FuncStatus const flag = getStatus(cmd);
751         if (!flag.enabled()) {
752                 // We cannot use this function here
753                 LYXERR(Debug::ACTION, "LyXFunc::dispatch: "
754                        << lyxaction.getActionName(action)
755                        << " [" << action << "] is disabled at this location");
756                 setErrorMessage(flag.message());
757         } else {
758                 switch (action) {
759
760                 case LFUN_WORD_FIND_FORWARD:
761                 case LFUN_WORD_FIND_BACKWARD: {
762                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
763                         static docstring last_search;
764                         docstring searched_string;
765
766                         if (!cmd.argument().empty()) {
767                                 last_search = cmd.argument();
768                                 searched_string = cmd.argument();
769                         } else {
770                                 searched_string = last_search;
771                         }
772
773                         if (searched_string.empty())
774                                 break;
775
776                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
777                         docstring const data =
778                                 find2string(searched_string, true, false, fw);
779                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
780                         break;
781                 }
782
783                 case LFUN_COMMAND_PREFIX:
784                         LASSERT(lyx_view_, /**/);
785                         lyx_view_->message(keyseq.printOptions(true));
786                         break;
787
788                 case LFUN_CANCEL:
789                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
790                         keyseq.reset();
791                         meta_fake_bit = NoModifier;
792                         if (lyx_view_->buffer())
793                                 // cancel any selection
794                                 dispatch(FuncRequest(LFUN_MARK_OFF));
795                         setMessage(from_ascii(N_("Cancel")));
796                         break;
797
798                 case LFUN_META_PREFIX:
799                         meta_fake_bit = AltModifier;
800                         setMessage(keyseq.print(KeySequence::ForGui));
801                         break;
802
803                 case LFUN_BUFFER_TOGGLE_READ_ONLY: {
804                         LASSERT(lyx_view_ && lyx_view_->view() && lyx_view_->buffer(), /**/);
805                         Buffer * buf = lyx_view_->buffer();
806                         if (buf->lyxvc().inUse())
807                                 buf->lyxvc().toggleReadOnly();
808                         else
809                                 buf->setReadonly(!lyx_view_->buffer()->isReadonly());
810                         break;
811                 }
812
813                 // --- Menus -----------------------------------------------
814                 case LFUN_BUFFER_CLOSE:
815                         lyx_view_->closeBuffer();
816                         updateFlags = Update::None;
817                         break;
818
819                 case LFUN_BUFFER_RELOAD: {
820                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
821                         docstring const file = makeDisplayPath(lyx_view_->buffer()->absFileName(), 20);
822                         docstring text = bformat(_("Any changes will be lost. Are you sure "
823                                                              "you want to revert to the saved version of the document %1$s?"), file);
824                         int const ret = Alert::prompt(_("Revert to saved document?"),
825                                 text, 1, 1, _("&Revert"), _("&Cancel"));
826
827                         if (ret == 0)
828                                 reloadBuffer();
829                         break;
830                 }
831
832                 case LFUN_BUFFER_UPDATE:
833                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
834                         lyx_view_->buffer()->doExport(argument, true);
835                         break;
836
837                 case LFUN_BUFFER_VIEW:
838                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
839                         lyx_view_->buffer()->preview(argument);
840                         break;
841
842                 case LFUN_MASTER_BUFFER_UPDATE:
843                         LASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->masterBuffer(), /**/);
844                         lyx_view_->buffer()->masterBuffer()->doExport(argument, true);
845                         break;
846
847                 case LFUN_MASTER_BUFFER_VIEW:
848                         LASSERT(lyx_view_ && lyx_view_->buffer() && lyx_view_->buffer()->masterBuffer(), /**/);
849                         lyx_view_->buffer()->masterBuffer()->preview(argument);
850                         break;
851
852                 case LFUN_BUILD_PROGRAM:
853                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
854                         lyx_view_->buffer()->doExport("program", true);
855                         break;
856
857                 case LFUN_BUFFER_CHKTEX:
858                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
859                         lyx_view_->buffer()->runChktex();
860                         break;
861
862                 case LFUN_BUFFER_EXPORT:
863                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
864                         if (argument == "custom")
865                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"));
866                         else
867                                 lyx_view_->buffer()->doExport(argument, false);
868                         break;
869
870                 case LFUN_BUFFER_EXPORT_CUSTOM: {
871                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
872                         string format_name;
873                         string command = split(argument, format_name, ' ');
874                         Format const * format = formats.getFormat(format_name);
875                         if (!format) {
876                                 lyxerr << "Format \"" << format_name
877                                        << "\" not recognized!"
878                                        << endl;
879                                 break;
880                         }
881
882                         Buffer * buffer = lyx_view_->buffer();
883
884                         // The name of the file created by the conversion process
885                         string filename;
886
887                         // Output to filename
888                         if (format->name() == "lyx") {
889                                 string const latexname = buffer->latexName(false);
890                                 filename = changeExtension(latexname,
891                                                            format->extension());
892                                 filename = addName(buffer->temppath(), filename);
893
894                                 if (!buffer->writeFile(FileName(filename)))
895                                         break;
896
897                         } else {
898                                 buffer->doExport(format_name, true, filename);
899                         }
900
901                         // Substitute $$FName for filename
902                         if (!contains(command, "$$FName"))
903                                 command = "( " + command + " ) < $$FName";
904                         command = subst(command, "$$FName", filename);
905
906                         // Execute the command in the background
907                         Systemcall call;
908                         call.startscript(Systemcall::DontWait, command);
909                         break;
910                 }
911
912                 case LFUN_BUFFER_PRINT: {
913                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
914                         // FIXME: cmd.getArg() might fail if one of the arguments
915                         // contains double quotes
916                         string target = cmd.getArg(0);
917                         string target_name = cmd.getArg(1);
918                         string command = cmd.getArg(2);
919
920                         if (target.empty()
921                             || target_name.empty()
922                             || command.empty()) {
923                                 lyxerr << "Unable to parse \""
924                                        << argument << '"' << endl;
925                                 break;
926                         }
927                         if (target != "printer" && target != "file") {
928                                 lyxerr << "Unrecognized target \""
929                                        << target << '"' << endl;
930                                 break;
931                         }
932
933                         Buffer * buffer = lyx_view_->buffer();
934
935                         if (!buffer->doExport("dvi", true)) {
936                                 showPrintError(buffer->absFileName());
937                                 break;
938                         }
939
940                         // Push directory path.
941                         string const path = buffer->temppath();
942                         // Prevent the compiler from optimizing away p
943                         FileName pp(path);
944                         PathChanger p(pp);
945
946                         // there are three cases here:
947                         // 1. we print to a file
948                         // 2. we print directly to a printer
949                         // 3. we print using a spool command (print to file first)
950                         Systemcall one;
951                         int res = 0;
952                         string const dviname =
953                                 changeExtension(buffer->latexName(true), "dvi");
954
955                         if (target == "printer") {
956                                 if (!lyxrc.print_spool_command.empty()) {
957                                         // case 3: print using a spool
958                                         string const psname =
959                                                 changeExtension(dviname,".ps");
960                                         command += ' ' + lyxrc.print_to_file
961                                                 + quoteName(psname)
962                                                 + ' '
963                                                 + quoteName(dviname);
964
965                                         string command2 =
966                                                 lyxrc.print_spool_command + ' ';
967                                         if (target_name != "default") {
968                                                 command2 += lyxrc.print_spool_printerprefix
969                                                         + target_name
970                                                         + ' ';
971                                         }
972                                         command2 += quoteName(psname);
973                                         // First run dvips.
974                                         // If successful, then spool command
975                                         res = one.startscript(
976                                                 Systemcall::Wait,
977                                                 command);
978
979                                         if (res == 0)
980                                                 res = one.startscript(
981                                                         Systemcall::DontWait,
982                                                         command2);
983                                 } else {
984                                         // case 2: print directly to a printer
985                                         if (target_name != "default")
986                                                 command += ' ' + lyxrc.print_to_printer + target_name + ' ';
987                                         res = one.startscript(
988                                                 Systemcall::DontWait,
989                                                 command + quoteName(dviname));
990                                 }
991
992                         } else {
993                                 // case 1: print to a file
994                                 FileName const filename(makeAbsPath(target_name,
995                                                         lyx_view_->buffer()->filePath()));
996                                 FileName const dvifile(makeAbsPath(dviname, path));
997                                 if (filename.exists()) {
998                                         docstring text = bformat(
999                                                 _("The file %1$s already exists.\n\n"
1000                                                   "Do you want to overwrite that file?"),
1001                                                 makeDisplayPath(filename.absFilename()));
1002                                         if (Alert::prompt(_("Overwrite file?"),
1003                                             text, 0, 1, _("&Overwrite"), _("&Cancel")) != 0)
1004                                                 break;
1005                                 }
1006                                 command += ' ' + lyxrc.print_to_file
1007                                         + quoteName(filename.toFilesystemEncoding())
1008                                         + ' '
1009                                         + quoteName(dvifile.toFilesystemEncoding());
1010                                 res = one.startscript(Systemcall::DontWait,
1011                                                       command);
1012                         }
1013
1014                         if (res != 0)
1015                                 showPrintError(buffer->absFileName());
1016                         break;
1017                 }
1018
1019                 // FIXME: There is need for a command-line import.
1020                 /*
1021                 case LFUN_BUFFER_IMPORT:
1022                         doImport(argument);
1023                         break;
1024                 */
1025
1026                 case LFUN_BUFFER_AUTO_SAVE:
1027                         lyx_view_->buffer()->autoSave();
1028                         break;
1029
1030                 case LFUN_RECONFIGURE:
1031                         // argument is any additional parameter to the configure.py command
1032                         reconfigure(lyx_view_, argument);
1033                         break;
1034
1035                 case LFUN_HELP_OPEN: {
1036                         LASSERT(lyx_view_, /**/);
1037                         string const arg = argument;
1038                         if (arg.empty()) {
1039                                 setErrorMessage(from_ascii(N_("Missing argument")));
1040                                 break;
1041                         }
1042                         FileName const fname = i18nLibFileSearch("doc", arg, "lyx");
1043                         if (fname.empty()) {
1044                                 lyxerr << "LyX: unable to find documentation file `"
1045                                                          << arg << "'. Bad installation?" << endl;
1046                                 break;
1047                         }
1048                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1049                                 makeDisplayPath(fname.absFilename())));
1050                         Buffer * buf = lyx_view_->loadDocument(fname, false);
1051                         if (buf) {
1052                                 updateLabels(*buf);
1053                                 lyx_view_->setBuffer(buf);
1054                                 buf->errors("Parse");
1055                         }
1056                         updateFlags = Update::None;
1057                         break;
1058                 }
1059
1060                 // --- version control -------------------------------
1061                 case LFUN_VC_REGISTER:
1062                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1063                         if (!ensureBufferClean(view()))
1064                                 break;
1065                         if (!lyx_view_->buffer()->lyxvc().inUse()) {
1066                                 lyx_view_->buffer()->lyxvc().registrer();
1067                                 reloadBuffer();
1068                         }
1069                         updateFlags = Update::Force;
1070                         break;
1071
1072                 case LFUN_VC_CHECK_IN:
1073                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1074                         if (!ensureBufferClean(view()))
1075                                 break;
1076                         if (lyx_view_->buffer()->lyxvc().inUse()
1077                                         && !lyx_view_->buffer()->isReadonly()) {
1078                                 lyx_view_->buffer()->lyxvc().checkIn();
1079                                 reloadBuffer();
1080                         }
1081                         break;
1082
1083                 case LFUN_VC_CHECK_OUT:
1084                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1085                         if (!ensureBufferClean(view()))
1086                                 break;
1087                         if (lyx_view_->buffer()->lyxvc().inUse()
1088                                         && lyx_view_->buffer()->isReadonly()) {
1089                                 lyx_view_->buffer()->lyxvc().checkOut();
1090                                 reloadBuffer();
1091                         }
1092                         break;
1093
1094                 case LFUN_VC_REVERT:
1095                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1096                         lyx_view_->buffer()->lyxvc().revert();
1097                         reloadBuffer();
1098                         break;
1099
1100                 case LFUN_VC_UNDO_LAST:
1101                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1102                         lyx_view_->buffer()->lyxvc().undoLast();
1103                         reloadBuffer();
1104                         break;
1105
1106                 // --- lyxserver commands ----------------------------
1107                 case LFUN_SERVER_GET_NAME:
1108                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1109                         setMessage(from_utf8(lyx_view_->buffer()->absFileName()));
1110                         LYXERR(Debug::INFO, "FNAME["
1111                                 << lyx_view_->buffer()->absFileName() << ']');
1112                         break;
1113
1114                 case LFUN_SERVER_NOTIFY:
1115                         dispatch_buffer = keyseq.print(KeySequence::Portable);
1116                         theServer().notifyClient(to_utf8(dispatch_buffer));
1117                         break;
1118
1119                 case LFUN_SERVER_GOTO_FILE_ROW: {
1120                         LASSERT(lyx_view_, /**/);
1121                         string file_name;
1122                         int row;
1123                         istringstream is(argument);
1124                         is >> file_name >> row;
1125                         Buffer * buf = 0;
1126                         bool loaded = false;
1127                         if (prefixIs(file_name, package().temp_dir().absFilename()))
1128                                 // Needed by inverse dvi search. If it is a file
1129                                 // in tmpdir, call the apropriated function
1130                                 buf = theBufferList().getBufferFromTmp(file_name);
1131                         else {
1132                                 // Must replace extension of the file to be .lyx
1133                                 // and get full path
1134                                 FileName const s = fileSearch(string(), changeExtension(file_name, ".lyx"), "lyx");
1135                                 // Either change buffer or load the file
1136                                 if (theBufferList().exists(s.absFilename()))
1137                                         buf = theBufferList().getBuffer(s.absFilename());
1138                                 else {
1139                                         buf = lyx_view_->loadDocument(s);
1140                                         loaded = true;
1141                                 }
1142                         }
1143
1144                         if (!buf) {
1145                                 updateFlags = Update::None;
1146                                 break;
1147                         }
1148
1149                         updateLabels(*buf);
1150                         lyx_view_->setBuffer(buf);
1151                         view()->setCursorFromRow(row);
1152                         if (loaded)
1153                                 buf->errors("Parse");
1154                         updateFlags = Update::FitCursor;
1155                         break;
1156                 }
1157
1158
1159                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1160                         LASSERT(lyx_view_, /**/);
1161                         string const name = cmd.getArg(0);
1162                         InsetCode code = insetCode(name);
1163                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1164                         bool insetCodeOK = true;
1165                         switch (code) {
1166                         case BIBITEM_CODE:
1167                         case BIBTEX_CODE:
1168                         case INDEX_CODE:
1169                         case LABEL_CODE:
1170                         case NOMENCL_CODE:
1171                         case REF_CODE:
1172                         case TOC_CODE:
1173                         case HYPERLINK_CODE: {
1174                                 InsetCommandParams p(code);
1175                                 data = InsetCommand::params2string(name, p);
1176                                 break;
1177                         } 
1178                         case INCLUDE_CODE: {
1179                                 // data is the include type: one of "include",
1180                                 // "input", "verbatiminput" or "verbatiminput*"
1181                                 if (data.empty())
1182                                         // default type is requested
1183                                         data = "include";
1184                                 InsetCommandParams p(INCLUDE_CODE, data);
1185                                 data = InsetCommand::params2string("include", p);
1186                                 break;
1187                         } 
1188                         case BOX_CODE: {
1189                                 // \c data == "Boxed" || "Frameless" etc
1190                                 InsetBoxParams p(data);
1191                                 data = InsetBox::params2string(p);
1192                                 break;
1193                         } 
1194                         case BRANCH_CODE: {
1195                                 InsetBranchParams p;
1196                                 data = InsetBranch::params2string(p);
1197                                 break;
1198                         } 
1199                         case CITE_CODE: {
1200                                 InsetCommandParams p(CITE_CODE);
1201                                 data = InsetCommand::params2string(name, p);
1202                                 break;
1203                         } 
1204                         case ERT_CODE: {
1205                                 data = InsetERT::params2string(InsetCollapsable::Open);
1206                                 break;
1207                         } 
1208                         case EXTERNAL_CODE: {
1209                                 InsetExternalParams p;
1210                                 Buffer const & buffer = *lyx_view_->buffer();
1211                                 data = InsetExternal::params2string(p, buffer);
1212                                 break;
1213                         } 
1214                         case FLOAT_CODE:  {
1215                                 InsetFloatParams p;
1216                                 data = InsetFloat::params2string(p);
1217                                 break;
1218                         } 
1219                         case LISTINGS_CODE: {
1220                                 InsetListingsParams p;
1221                                 data = InsetListings::params2string(p);
1222                                 break;
1223                         } 
1224                         case GRAPHICS_CODE: {
1225                                 InsetGraphicsParams p;
1226                                 Buffer const & buffer = *lyx_view_->buffer();
1227                                 data = InsetGraphics::params2string(p, buffer);
1228                                 break;
1229                         } 
1230                         case NOTE_CODE: {
1231                                 InsetNoteParams p;
1232                                 data = InsetNote::params2string(p);
1233                                 break;
1234                         } 
1235                         case SPACE_CODE: {
1236                                 InsetSpaceParams p;
1237                                 data = InsetSpace::params2string(p);
1238                                 break;
1239                         } 
1240                         case VSPACE_CODE: {
1241                                 VSpace space;
1242                                 data = InsetVSpace::params2string(space);
1243                                 break;
1244                         } 
1245                         case WRAP_CODE: {
1246                                 InsetWrapParams p;
1247                                 data = InsetWrap::params2string(p);
1248                                 break;
1249                         }
1250                         default:
1251                                 lyxerr << "Inset type '" << name << 
1252                                         "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" <<  endl;
1253                                 insetCodeOK = false;
1254                                 break;
1255                         } // end switch(code)
1256                         if (insetCodeOK)
1257                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
1258                         break;
1259                 }
1260
1261                 case LFUN_CITATION_INSERT: {
1262                         LASSERT(lyx_view_, /**/);
1263                         if (!argument.empty()) {
1264                                 // we can have one optional argument, delimited by '|'
1265                                 // citation-insert <key>|<text_before>
1266                                 // this should be enhanced to also support text_after
1267                                 // and citation style
1268                                 string arg = argument;
1269                                 string opt1;
1270                                 if (contains(argument, "|")) {
1271                                         arg = token(argument, '|', 0);
1272                                         opt1 = token(argument, '|', 1);
1273                                 }
1274                                 InsetCommandParams icp(CITE_CODE);
1275                                 icp["key"] = from_utf8(arg);
1276                                 if (!opt1.empty())
1277                                         icp["before"] = from_utf8(opt1);
1278                                 string icstr = InsetCommand::params2string("citation", icp);
1279                                 FuncRequest fr(LFUN_INSET_INSERT, icstr);
1280                                 dispatch(fr);
1281                         } else
1282                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
1283                         break;
1284                 }
1285
1286                 case LFUN_BUFFER_CHILD_OPEN: {
1287                         LASSERT(lyx_view_ && lyx_view_->buffer(), /**/);
1288                         Buffer * parent = lyx_view_->buffer();
1289                         FileName filename = makeAbsPath(argument, parent->filePath());
1290                         view()->saveBookmark(false);
1291                         Buffer * child = 0;
1292                         bool parsed = false;
1293                         if (theBufferList().exists(filename.absFilename())) {
1294                                 child = theBufferList().getBuffer(filename.absFilename());
1295                         } else {
1296                                 setMessage(bformat(_("Opening child document %1$s..."),
1297                                         makeDisplayPath(filename.absFilename())));
1298                                 child = lyx_view_->loadDocument(filename, false);
1299                                 parsed = true;
1300                         }
1301                         if (child) {
1302                                 // Set the parent name of the child document.
1303                                 // This makes insertion of citations and references in the child work,
1304                                 // when the target is in the parent or another child document.
1305                                 child->setParent(parent);
1306                                 updateLabels(*child->masterBuffer());
1307                                 lyx_view_->setBuffer(child);
1308                                 if (parsed)
1309                                         child->errors("Parse");
1310                         }
1311
1312                         // If a screen update is required (in case where auto_open is false), 
1313                         // setBuffer() would have taken care of it already. Otherwise we shall 
1314                         // reset the update flag because it can cause a circular problem.
1315                         // See bug 3970.
1316                         updateFlags = Update::None;
1317                         break;
1318                 }
1319
1320                 case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
1321                         LASSERT(lyx_view_, /**/);
1322                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1323                         break;
1324
1325                 case LFUN_KEYMAP_OFF:
1326                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1327                         lyx_view_->view()->getIntl().keyMapOn(false);
1328                         break;
1329
1330                 case LFUN_KEYMAP_PRIMARY:
1331                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1332                         lyx_view_->view()->getIntl().keyMapPrim();
1333                         break;
1334
1335                 case LFUN_KEYMAP_SECONDARY:
1336                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1337                         lyx_view_->view()->getIntl().keyMapSec();
1338                         break;
1339
1340                 case LFUN_KEYMAP_TOGGLE:
1341                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1342                         lyx_view_->view()->getIntl().toggleKeyMap();
1343                         break;
1344
1345                 case LFUN_REPEAT: {
1346                         // repeat command
1347                         string countstr;
1348                         string rest = split(argument, countstr, ' ');
1349                         istringstream is(countstr);
1350                         int count = 0;
1351                         is >> count;
1352                         lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1353                         for (int i = 0; i < count; ++i)
1354                                 dispatch(lyxaction.lookupFunc(rest));
1355                         break;
1356                 }
1357
1358                 case LFUN_COMMAND_SEQUENCE: {
1359                         // argument contains ';'-terminated commands
1360                         string arg = argument;
1361                         while (!arg.empty()) {
1362                                 string first;
1363                                 arg = split(arg, first, ';');
1364                                 FuncRequest func(lyxaction.lookupFunc(first));
1365                                 func.origin = cmd.origin;
1366                                 dispatch(func);
1367                         }
1368                         break;
1369                 }
1370
1371                 case LFUN_CALL: {
1372                         FuncRequest func;
1373                         if (LyX::ref().topLevelCmdDef().lock(argument, func)) {
1374                                 func.origin = cmd.origin;
1375                                 dispatch(func);
1376                                 LyX::ref().topLevelCmdDef().release(argument);
1377                         } else {
1378                                 if (func.action == LFUN_UNKNOWN_ACTION) {
1379                                         // unknown command definition
1380                                         lyxerr << "Warning: unknown command definition `"
1381                                                    << argument << "'"
1382                                                    << endl;
1383                                 } else {
1384                                         // recursion detected
1385                                         lyxerr << "Warning: Recursion in the command definition `"
1386                                                    << argument << "' detected"
1387                                                    << endl;
1388                                 }
1389                         }
1390                         break;
1391                 }
1392
1393                 case LFUN_PREFERENCES_SAVE: {
1394                         lyxrc.write(makeAbsPath("preferences",
1395                                                 package().user_support().absFilename()),
1396                                     false);
1397                         break;
1398                 }
1399
1400                 case LFUN_SET_COLOR: {
1401                         string lyx_name;
1402                         string const x11_name = split(argument, lyx_name, ' ');
1403                         if (lyx_name.empty() || x11_name.empty()) {
1404                                 setErrorMessage(from_ascii(N_(
1405                                                 "Syntax: set-color <lyx_name>"
1406                                                 " <x11_name>")));
1407                                 break;
1408                         }
1409
1410                         bool const graphicsbg_changed =
1411                                 (lyx_name == lcolor.getLyXName(Color_graphicsbg) &&
1412                                  x11_name != lcolor.getX11Name(Color_graphicsbg));
1413
1414                         if (!lcolor.setColor(lyx_name, x11_name)) {
1415                                 setErrorMessage(
1416                                                 bformat(_("Set-color \"%1$s\" failed "
1417                                                                        "- color is undefined or "
1418                                                                        "may not be redefined"),
1419                                                                            from_utf8(lyx_name)));
1420                                 break;
1421                         }
1422
1423                         theApp()->updateColor(lcolor.getFromLyXName(lyx_name));
1424
1425                         if (graphicsbg_changed) {
1426                                 // FIXME: The graphics cache no longer has a changeDisplay method.
1427 #if 0
1428                                 graphics::GCache::get().changeDisplay(true);
1429 #endif
1430                         }
1431                         break;
1432                 }
1433
1434                 case LFUN_MESSAGE:
1435                         LASSERT(lyx_view_, /**/);
1436                         lyx_view_->message(from_utf8(argument));
1437                         break;
1438
1439
1440                 case LFUN_ALL_INSETS_TOGGLE: {
1441                         LASSERT(lyx_view_, /**/);
1442                         string action;
1443                         string const name = split(argument, action, ' ');
1444                         InsetCode const inset_code = insetCode(name);
1445
1446                         Cursor & cur = view()->cursor();
1447                         FuncRequest fr(LFUN_INSET_TOGGLE, action);
1448
1449                         Inset & inset = lyx_view_->buffer()->inset();
1450                         InsetIterator it  = inset_iterator_begin(inset);
1451                         InsetIterator const end = inset_iterator_end(inset);
1452                         for (; it != end; ++it) {
1453                                 if (!it->asInsetMath()
1454                                     && (inset_code == NO_CODE
1455                                     || inset_code == it->lyxCode())) {
1456                                         Cursor tmpcur = cur;
1457                                         tmpcur.pushBackward(*it);
1458                                         it->dispatch(tmpcur, fr);
1459                                 }
1460                         }
1461                         updateFlags = Update::Force | Update::FitCursor;
1462                         break;
1463                 }
1464
1465                 case LFUN_BUFFER_LANGUAGE: {
1466                         LASSERT(lyx_view_, /**/);
1467                         Buffer & buffer = *lyx_view_->buffer();
1468                         Language const * oldL = buffer.params().language;
1469                         Language const * newL = languages.getLanguage(argument);
1470                         if (!newL || oldL == newL)
1471                                 break;
1472
1473                         if (oldL->rightToLeft() == newL->rightToLeft()
1474                             && !buffer.isMultiLingual())
1475                                 buffer.changeLanguage(oldL, newL);
1476                         break;
1477                 }
1478
1479                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1480                         string const fname =
1481                                 addName(addPath(package().user_support().absFilename(), "templates/"),
1482                                         "defaults.lyx");
1483                         Buffer defaults(fname);
1484
1485                         istringstream ss(argument);
1486                         Lexer lex;
1487                         lex.setStream(ss);
1488                         int const unknown_tokens = defaults.readHeader(lex);
1489
1490                         if (unknown_tokens != 0) {
1491                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1492                                        << unknown_tokens << " unknown token"
1493                                        << (unknown_tokens == 1 ? "" : "s")
1494                                        << endl;
1495                         }
1496
1497                         if (defaults.writeFile(FileName(defaults.absFileName())))
1498                                 setMessage(bformat(_("Document defaults saved in %1$s"),
1499                                                    makeDisplayPath(fname)));
1500                         else
1501                                 setErrorMessage(from_ascii(N_("Unable to save document defaults")));
1502                         break;
1503                 }
1504
1505                 case LFUN_BUFFER_PARAMS_APPLY: {
1506                         LASSERT(lyx_view_, /**/);
1507                         
1508                         Buffer * buffer = lyx_view_->buffer();
1509                         DocumentClass * oldClass = buffer->params().documentClassPtr();
1510                         Cursor & cur = view()->cursor();
1511                         cur.recordUndoFullDocument();
1512                         
1513                         istringstream ss(argument);
1514                         Lexer lex;
1515                         lex.setStream(ss);
1516                         int const unknown_tokens = buffer->readHeader(lex);
1517
1518                         if (unknown_tokens != 0) {
1519                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1520                                                 << unknown_tokens << " unknown token"
1521                                                 << (unknown_tokens == 1 ? "" : "s")
1522                                                 << endl;
1523                         }
1524                         
1525                         updateLayout(oldClass, buffer);
1526                         
1527                         updateFlags = Update::Force | Update::FitCursor;
1528                         // We are most certainly here because of a change in the document
1529                         // It is then better to make sure that all dialogs are in sync with
1530                         // current document settings. LyXView::restartCursor() achieve this.
1531                         lyx_view_->restartCursor();
1532                         break;
1533                 }
1534                 
1535                 case LFUN_LAYOUT_MODULES_CLEAR: {
1536                         LASSERT(lyx_view_, /**/);
1537                         Buffer * buffer = lyx_view_->buffer();
1538                         DocumentClass * oldClass = buffer->params().documentClassPtr();
1539                         view()->cursor().recordUndoFullDocument();
1540                         buffer->params().clearLayoutModules();
1541                         buffer->params().makeDocumentClass();
1542                         updateLayout(oldClass, buffer);
1543                         updateFlags = Update::Force | Update::FitCursor;
1544                         break;
1545                 }
1546                 
1547                 case LFUN_LAYOUT_MODULE_ADD: {
1548                         LASSERT(lyx_view_, /**/);
1549                         Buffer * buffer = lyx_view_->buffer();
1550                         DocumentClass * oldClass = buffer->params().documentClassPtr();
1551                         view()->cursor().recordUndoFullDocument();
1552                         buffer->params().addLayoutModule(argument);
1553                         buffer->params().makeDocumentClass();
1554                         updateLayout(oldClass, buffer);
1555                         updateFlags = Update::Force | Update::FitCursor;
1556                         break;
1557                 }
1558
1559                 case LFUN_TEXTCLASS_APPLY: {
1560                         LASSERT(lyx_view_, /**/);
1561                         Buffer * buffer = lyx_view_->buffer();
1562
1563                         if (!loadLayoutFile(argument, buffer->temppath()) &&
1564                                 !loadLayoutFile(argument, buffer->filePath()))
1565                                 break;
1566
1567                         LayoutFile const * old_layout = buffer->params().baseClass();
1568                         LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1569
1570                         if (old_layout == new_layout)
1571                                 // nothing to do
1572                                 break;
1573
1574                         //Save the old, possibly modular, layout for use in conversion.
1575                         DocumentClass * oldDocClass = buffer->params().documentClassPtr();
1576                         view()->cursor().recordUndoFullDocument();
1577                         buffer->params().setBaseClass(argument);
1578                         buffer->params().makeDocumentClass();
1579                         updateLayout(oldDocClass, buffer);
1580                         updateFlags = Update::Force | Update::FitCursor;
1581                         break;
1582                 }
1583                 
1584                 case LFUN_LAYOUT_RELOAD: {
1585                         LASSERT(lyx_view_, /**/);
1586                         Buffer * buffer = lyx_view_->buffer();
1587                         DocumentClass * oldClass = buffer->params().documentClassPtr();
1588                         LayoutFileIndex bc = buffer->params().baseClassID();
1589                         LayoutFileList::get().reset(bc);
1590                         buffer->params().setBaseClass(bc);
1591                         buffer->params().makeDocumentClass();
1592                         updateLayout(oldClass, buffer);
1593                         updateFlags = Update::Force | Update::FitCursor;
1594                         break;
1595                 }
1596
1597                 case LFUN_TEXTCLASS_LOAD:
1598                         loadLayoutFile(argument, lyx_view_->buffer()->temppath()) ||
1599                         loadLayoutFile(argument, lyx_view_->buffer()->filePath());
1600                         break;
1601
1602                 case LFUN_LYXRC_APPLY: {
1603                         LyXRC const lyxrc_orig = lyxrc;
1604
1605                         istringstream ss(argument);
1606                         bool const success = lyxrc.read(ss) == 0;
1607
1608                         if (!success) {
1609                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1610                                        << "Unable to read lyxrc data"
1611                                        << endl;
1612                                 break;
1613                         }
1614
1615                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1616
1617                         theApp()->resetGui();
1618
1619                         /// We force the redraw in any case because there might be
1620                         /// some screen font changes.
1621                         /// FIXME: only the current view will be updated. the Gui
1622                         /// class is able to furnish the list of views.
1623                         updateFlags = Update::Force;
1624                         break;
1625                 }
1626
1627                 case LFUN_BOOKMARK_GOTO:
1628                         // go to bookmark, open unopened file and switch to buffer if necessary
1629                         gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1630                         updateFlags = Update::FitCursor;
1631                         break;
1632
1633                 case LFUN_BOOKMARK_CLEAR:
1634                         LyX::ref().session().bookmarks().clear();
1635                         break;
1636
1637                 default:
1638                         LASSERT(theApp(), /**/);
1639                         // Let the frontend dispatch its own actions.
1640                         if (theApp()->dispatch(cmd))
1641                                 // Nothing more to do.
1642                                 return;
1643
1644                         // Everything below is only for active lyx_view_
1645                         if (lyx_view_ == 0)
1646                                 break;
1647
1648                         // Let the current LyXView dispatch its own actions.
1649                         if (lyx_view_->dispatch(cmd)) {
1650                                 if (lyx_view_->view())
1651                                         updateFlags = lyx_view_->view()->cursor().result().update();
1652                                 break;
1653                         }
1654
1655                         LASSERT(lyx_view_->view(), /**/);
1656                         // Let the current BufferView dispatch its own actions.
1657                         if (view()->dispatch(cmd)) {
1658                                 // The BufferView took care of its own updates if needed.
1659                                 updateFlags = Update::None;
1660                                 break;
1661                         }
1662
1663                         // Let the current Cursor dispatch its own actions.
1664                         Cursor old = view()->cursor();
1665                         view()->cursor().getPos(cursorPosBeforeDispatchX_,
1666                                                 cursorPosBeforeDispatchY_);
1667                         view()->cursor().dispatch(cmd);
1668
1669                         // notify insets we just left
1670                         if (view()->cursor() != old) {
1671                                 old.fixIfBroken();
1672                                 bool badcursor = notifyCursorLeaves(old, view()->cursor());
1673                                 if (badcursor)
1674                                         view()->cursor().fixIfBroken();
1675                         }
1676
1677                         // update completion. We do it here and not in
1678                         // processKeySym to avoid another redraw just for a
1679                         // changed inline completion
1680                         if (cmd.origin == FuncRequest::KEYBOARD) {
1681                                 if (cmd.action == LFUN_SELF_INSERT)
1682                                         lyx_view_->updateCompletion(view()->cursor(), true, true);
1683                                 else if (cmd.action == LFUN_CHAR_DELETE_BACKWARD)
1684                                         lyx_view_->updateCompletion(view()->cursor(), false, true);
1685                                 else
1686                                         lyx_view_->updateCompletion(view()->cursor(), false, false);
1687                         }
1688
1689                         updateFlags = view()->cursor().result().update();
1690                 }
1691
1692                 if (lyx_view_ && lyx_view_->buffer()) {
1693                         // BufferView::update() updates the ViewMetricsInfo and
1694                         // also initializes the position cache for all insets in
1695                         // (at least partially) visible top-level paragraphs.
1696                         // We will redraw the screen only if needed.
1697                         view()->processUpdateFlags(updateFlags);
1698
1699                         // if we executed a mutating lfun, mark the buffer as dirty
1700                         if (flag.enabled()
1701                             && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1702                             && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1703                                 lyx_view_->buffer()->markDirty();                       
1704
1705                         // Do we have a selection?
1706                         theSelection().haveSelection(view()->cursor().selection());
1707                         
1708                         // update gui
1709                         lyx_view_->restartCursor();
1710                 }
1711         }
1712         if (lyx_view_) {
1713                 // Some messages may already be translated, so we cannot use _()
1714                 sendDispatchMessage(translateIfPossible(getMessage()), cmd);
1715         }
1716 }
1717
1718
1719 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1720 {
1721         const bool verbose = (cmd.origin == FuncRequest::MENU
1722                               || cmd.origin == FuncRequest::TOOLBAR
1723                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1724
1725         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1726                 LYXERR(Debug::ACTION, "dispatch msg is " << to_utf8(msg));
1727                 if (!msg.empty())
1728                         lyx_view_->message(msg);
1729                 return;
1730         }
1731
1732         docstring dispatch_msg = msg;
1733         if (!dispatch_msg.empty())
1734                 dispatch_msg += ' ';
1735
1736         docstring comname = from_utf8(lyxaction.getActionName(cmd.action));
1737
1738         bool argsadded = false;
1739
1740         if (!cmd.argument().empty()) {
1741                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1742                         comname += ' ' + cmd.argument();
1743                         argsadded = true;
1744                 }
1745         }
1746
1747         docstring const shortcuts = theTopLevelKeymap().printBindings(cmd);
1748
1749         if (!shortcuts.empty())
1750                 comname += ": " + shortcuts;
1751         else if (!argsadded && !cmd.argument().empty())
1752                 comname += ' ' + cmd.argument();
1753
1754         if (!comname.empty()) {
1755                 comname = rtrim(comname);
1756                 dispatch_msg += '(' + rtrim(comname) + ')';
1757         }
1758
1759         LYXERR(Debug::ACTION, "verbose dispatch msg " << to_utf8(dispatch_msg));
1760         if (!dispatch_msg.empty())
1761                 lyx_view_->message(dispatch_msg);
1762 }
1763
1764
1765 void LyXFunc::reloadBuffer()
1766 {
1767         FileName filename = lyx_view_->buffer()->fileName();
1768         // The user has already confirmed that the changes, if any, should
1769         // be discarded. So we just release the Buffer and don't call closeBuffer();
1770         theBufferList().release(lyx_view_->buffer());
1771         Buffer * buf = lyx_view_->loadDocument(filename);
1772         docstring const disp_fn = makeDisplayPath(filename.absFilename());
1773         docstring str;
1774         if (buf) {
1775                 updateLabels(*buf);
1776                 lyx_view_->setBuffer(buf);
1777                 buf->errors("Parse");
1778                 str = bformat(_("Document %1$s reloaded."), disp_fn);
1779         } else {
1780                 str = bformat(_("Could not reload document %1$s"), disp_fn);
1781         }
1782         lyx_view_->message(str);
1783 }
1784
1785 // Each "lyx_view_" should have it's own message method. lyxview and
1786 // the minibuffer would use the minibuffer, but lyxserver would
1787 // send an ERROR signal to its client.  Alejandro 970603
1788 // This function is bit problematic when it comes to NLS, to make the
1789 // lyx servers client be language indepenent we must not translate
1790 // strings sent to this func.
1791 void LyXFunc::setErrorMessage(docstring const & m) const
1792 {
1793         dispatch_buffer = m;
1794         errorstat = true;
1795 }
1796
1797
1798 void LyXFunc::setMessage(docstring const & m) const
1799 {
1800         dispatch_buffer = m;
1801 }
1802
1803
1804 docstring LyXFunc::viewStatusMessage()
1805 {
1806         // When meta-fake key is pressed, show the key sequence so far + "M-".
1807         if (wasMetaKey())
1808                 return keyseq.print(KeySequence::ForGui) + "M-";
1809
1810         // Else, when a non-complete key sequence is pressed,
1811         // show the available options.
1812         if (keyseq.length() > 0 && !keyseq.deleted())
1813                 return keyseq.printOptions(true);
1814
1815         LASSERT(lyx_view_, /**/);
1816         if (!lyx_view_->buffer())
1817                 return _("Welcome to LyX!");
1818
1819         return view()->cursor().currentState();
1820 }
1821
1822
1823 BufferView * LyXFunc::view() const
1824 {
1825         LASSERT(lyx_view_, /**/);
1826         return lyx_view_->view();
1827 }
1828
1829
1830 bool LyXFunc::wasMetaKey() const
1831 {
1832         return (meta_fake_bit != NoModifier);
1833 }
1834
1835
1836 void LyXFunc::updateLayout(DocumentClass * oldlayout,Buffer * buffer)
1837 {
1838         lyx_view_->message(_("Converting document to new document class..."));
1839         
1840         StableDocIterator backcur(view()->cursor());
1841         ErrorList & el = buffer->errorList("Class Switch");
1842         cap::switchBetweenClasses(
1843                         oldlayout, buffer->params().documentClassPtr(),
1844                         static_cast<InsetText &>(buffer->inset()), el);
1845
1846         view()->setCursor(backcur.asDocIterator(&(buffer->inset())));
1847
1848         buffer->errors("Class Switch");
1849         updateLabels(*buffer);
1850 }
1851
1852
1853 namespace {
1854
1855 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1856 {
1857         // Why the switch you might ask. It is a trick to ensure that all
1858         // the elements in the LyXRCTags enum is handled. As you can see
1859         // there are no breaks at all. So it is just a huge fall-through.
1860         // The nice thing is that we will get a warning from the compiler
1861         // if we forget an element.
1862         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1863         switch (tag) {
1864         case LyXRC::RC_ACCEPT_COMPOUND:
1865         case LyXRC::RC_ALT_LANG:
1866         case LyXRC::RC_PLAINTEXT_ROFF_COMMAND:
1867         case LyXRC::RC_PLAINTEXT_LINELEN:
1868         case LyXRC::RC_AUTOREGIONDELETE:
1869         case LyXRC::RC_AUTORESET_OPTIONS:
1870         case LyXRC::RC_AUTOSAVE:
1871         case LyXRC::RC_AUTO_NUMBER:
1872         case LyXRC::RC_BACKUPDIR_PATH:
1873         case LyXRC::RC_BIBTEX_COMMAND:
1874         case LyXRC::RC_BINDFILE:
1875         case LyXRC::RC_CHECKLASTFILES:
1876         case LyXRC::RC_COMPLETION_CURSOR_TEXT:
1877         case LyXRC::RC_COMPLETION_INLINE_DELAY:
1878         case LyXRC::RC_COMPLETION_INLINE_DOTS:
1879         case LyXRC::RC_COMPLETION_INLINE_MATH:
1880         case LyXRC::RC_COMPLETION_INLINE_TEXT:
1881         case LyXRC::RC_COMPLETION_POPUP_AFTER_COMPLETE:
1882         case LyXRC::RC_COMPLETION_POPUP_DELAY:
1883         case LyXRC::RC_COMPLETION_POPUP_MATH:
1884         case LyXRC::RC_COMPLETION_POPUP_TEXT:
1885         case LyXRC::RC_USELASTFILEPOS:
1886         case LyXRC::RC_LOADSESSION:
1887         case LyXRC::RC_CHKTEX_COMMAND:
1888         case LyXRC::RC_CONVERTER:
1889         case LyXRC::RC_CONVERTER_CACHE_MAXAGE:
1890         case LyXRC::RC_COPIER:
1891         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1892         case LyXRC::RC_CUSTOM_EXPORT_COMMAND:
1893         case LyXRC::RC_CUSTOM_EXPORT_FORMAT:
1894         case LyXRC::RC_DATE_INSERT_FORMAT:
1895         case LyXRC::RC_DEFAULT_LANGUAGE:
1896         case LyXRC::RC_DEFAULT_PAPERSIZE:
1897         case LyXRC::RC_DEFFILE:
1898         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1899         case LyXRC::RC_DISPLAY_GRAPHICS:
1900         case LyXRC::RC_DOCUMENTPATH:
1901                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1902                         FileName path(lyxrc_new.document_path);
1903                         if (path.exists() && path.isDirectory())
1904                                 package().document_dir() = FileName(lyxrc.document_path);
1905                 }
1906         case LyXRC::RC_ESC_CHARS:
1907         case LyXRC::RC_EXAMPLEPATH:
1908         case LyXRC::RC_FONT_ENCODING:
1909         case LyXRC::RC_FORMAT:
1910         case LyXRC::RC_GROUP_LAYOUTS:
1911         case LyXRC::RC_INDEX_COMMAND:
1912         case LyXRC::RC_INPUT:
1913         case LyXRC::RC_KBMAP:
1914         case LyXRC::RC_KBMAP_PRIMARY:
1915         case LyXRC::RC_KBMAP_SECONDARY:
1916         case LyXRC::RC_LABEL_INIT_LENGTH:
1917         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
1918         case LyXRC::RC_LANGUAGE_AUTO_END:
1919         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
1920         case LyXRC::RC_LANGUAGE_COMMAND_END:
1921         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
1922         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
1923         case LyXRC::RC_LANGUAGE_PACKAGE:
1924         case LyXRC::RC_LANGUAGE_USE_BABEL:
1925         case LyXRC::RC_MACRO_EDIT_STYLE:
1926         case LyXRC::RC_MAKE_BACKUP:
1927         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
1928         case LyXRC::RC_MOUSE_WHEEL_SPEED:
1929         case LyXRC::RC_NUMLASTFILES:
1930         case LyXRC::RC_PATH_PREFIX:
1931                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
1932                         prependEnvPath("PATH", lyxrc.path_prefix);
1933                 }
1934         case LyXRC::RC_PERS_DICT:
1935         case LyXRC::RC_PREVIEW:
1936         case LyXRC::RC_PREVIEW_HASHED_LABELS:
1937         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
1938         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
1939         case LyXRC::RC_PRINTCOPIESFLAG:
1940         case LyXRC::RC_PRINTER:
1941         case LyXRC::RC_PRINTEVENPAGEFLAG:
1942         case LyXRC::RC_PRINTEXSTRAOPTIONS:
1943         case LyXRC::RC_PRINTFILEEXTENSION:
1944         case LyXRC::RC_PRINTLANDSCAPEFLAG:
1945         case LyXRC::RC_PRINTODDPAGEFLAG:
1946         case LyXRC::RC_PRINTPAGERANGEFLAG:
1947         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
1948         case LyXRC::RC_PRINTPAPERFLAG:
1949         case LyXRC::RC_PRINTREVERSEFLAG:
1950         case LyXRC::RC_PRINTSPOOL_COMMAND:
1951         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
1952         case LyXRC::RC_PRINTTOFILE:
1953         case LyXRC::RC_PRINTTOPRINTER:
1954         case LyXRC::RC_PRINT_ADAPTOUTPUT:
1955         case LyXRC::RC_PRINT_COMMAND:
1956         case LyXRC::RC_RTL_SUPPORT:
1957         case LyXRC::RC_SCREEN_DPI:
1958         case LyXRC::RC_SCREEN_FONT_ROMAN:
1959         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
1960         case LyXRC::RC_SCREEN_FONT_SANS:
1961         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
1962         case LyXRC::RC_SCREEN_FONT_SCALABLE:
1963         case LyXRC::RC_SCREEN_FONT_SIZES:
1964         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
1965         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
1966         case LyXRC::RC_GEOMETRY_SESSION:
1967         case LyXRC::RC_SCREEN_ZOOM:
1968         case LyXRC::RC_SERVERPIPE:
1969         case LyXRC::RC_SET_COLOR:
1970         case LyXRC::RC_SHOW_BANNER:
1971         case LyXRC::RC_OPEN_BUFFERS_IN_TABS:
1972         case LyXRC::RC_SPELL_COMMAND:
1973         case LyXRC::RC_TEMPDIRPATH:
1974         case LyXRC::RC_TEMPLATEPATH:
1975         case LyXRC::RC_TEX_ALLOWS_SPACES:
1976         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
1977                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
1978                         os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
1979                 }
1980         case LyXRC::RC_UIFILE:
1981         case LyXRC::RC_USER_EMAIL:
1982         case LyXRC::RC_USER_NAME:
1983         case LyXRC::RC_USETEMPDIR:
1984         case LyXRC::RC_USE_ALT_LANG:
1985         case LyXRC::RC_USE_CONVERTER_CACHE:
1986         case LyXRC::RC_USE_ESC_CHARS:
1987         case LyXRC::RC_USE_INP_ENC:
1988         case LyXRC::RC_USE_PERS_DICT:
1989         case LyXRC::RC_USE_TOOLTIP:
1990         case LyXRC::RC_USE_PIXMAP_CACHE:
1991         case LyXRC::RC_USE_SPELL_LIB:
1992         case LyXRC::RC_VIEWDVI_PAPEROPTION:
1993         case LyXRC::RC_SORT_LAYOUTS:
1994         case LyXRC::RC_FULL_SCREEN_LIMIT:
1995         case LyXRC::RC_FULL_SCREEN_SCROLLBAR:
1996         case LyXRC::RC_FULL_SCREEN_TABBAR:
1997         case LyXRC::RC_FULL_SCREEN_TOOLBARS:
1998         case LyXRC::RC_FULL_SCREEN_WIDTH:
1999         case LyXRC::RC_VISUAL_CURSOR:
2000         case LyXRC::RC_VIEWER:
2001         case LyXRC::RC_LAST:
2002                 break;
2003         }
2004 }
2005
2006 } // namespace anon
2007
2008
2009 } // namespace lyx