]> git.lyx.org Git - lyx.git/blob - src/text3.C
Revert commit 17010.
[lyx.git] / src / text3.C
1 /**
2  * \file text3.C
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author Asger Alstrup
7  * \author Lars Gullik Bjønnes
8  * \author Alfredo Braunstein
9  * \author Angus Leeming
10  * \author John Levon
11  * \author André Pönitz
12  *
13  * Full author contact details are available in file CREDITS.
14  */
15
16 #include <config.h>
17
18 #include "lyxtext.h"
19
20 #include "BranchList.h"
21 #include "FloatList.h"
22 #include "FuncStatus.h"
23 #include "buffer.h"
24 #include "buffer_funcs.h"
25 #include "bufferparams.h"
26 #include "BufferView.h"
27 #include "bufferview_funcs.h"
28 #include "cursor.h"
29 #include "coordcache.h"
30 #include "CutAndPaste.h"
31 #include "debug.h"
32 #include "dispatchresult.h"
33 #include "errorlist.h"
34 #include "factory.h"
35 #include "funcrequest.h"
36 #include "gettext.h"
37 #include "intl.h"
38 #include "language.h"
39 #include "LyXAction.h"
40 #include "lyxfunc.h"
41 #include "lyxlex.h"
42 #include "lyxrc.h"
43 #include "lyxrow.h"
44 #include "paragraph.h"
45 #include "paragraph_funcs.h"
46 #include "ParagraphParameters.h"
47 #include "undo.h"
48 #include "vspace.h"
49 #include "pariterator.h"
50
51 #include "frontends/Clipboard.h"
52 #include "frontends/Selection.h"
53
54 #include "insets/insetcommand.h"
55 #include "insets/insetfloatlist.h"
56 #include "insets/insetnewline.h"
57 #include "insets/insetquotes.h"
58 #include "insets/insetspecialchar.h"
59 #include "insets/insettext.h"
60
61 #include "support/lstrings.h"
62 #include "support/lyxlib.h"
63 #include "support/convert.h"
64 #include "support/lyxtime.h"
65
66 #include "mathed/InsetMathHull.h"
67 #include "mathed/MathMacroTemplate.h"
68
69 #include <boost/current_function.hpp>
70
71 #include <clocale>
72 #include <sstream>
73
74
75 namespace lyx {
76
77 using cap::copySelection;
78 using cap::cutSelection;
79 using cap::pasteFromStack;
80 using cap::pasteClipboard;
81 using cap::replaceSelection;
82 using cap::saveSelection;
83
84 using support::isStrUnsignedInt;
85 using support::token;
86
87 using std::endl;
88 using std::string;
89 using std::istringstream;
90 using std::ostringstream;
91
92
93 extern string current_layout;
94
95
96 namespace {
97
98         // globals...
99         LyXFont freefont(LyXFont::ALL_IGNORE);
100         bool toggleall = false;
101
102
103         void toggleAndShow(LCursor & cur, LyXText * text,
104                 LyXFont const & font, bool toggleall = true)
105         {
106                 text->toggleFree(cur, font, toggleall);
107
108                 if (font.language() != ignore_language ||
109                                 font.number() != LyXFont::IGNORE) {
110                         Paragraph & par = cur.paragraph();
111                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
112                         if (cur.boundary() !=
113                                         text->bidi.isBoundary(cur.buffer(), par,
114                                                         cur.pos(),
115                                                         text->real_current_font))
116                                 text->setCursor(cur, cur.pit(), cur.pos(),
117                                                 false, !cur.boundary());
118                 }
119         }
120
121
122         void moveCursor(LCursor & cur, bool selecting)
123         {
124                 if (selecting || cur.mark())
125                         cur.setSelection();
126                 saveSelection(cur);
127                 cur.bv().switchKeyMap();
128         }
129
130
131         void finishChange(LCursor & cur, bool selecting)
132         {
133                 finishUndo();
134                 moveCursor(cur, selecting);
135         }
136
137
138         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
139         {
140                 recordUndo(cur);
141                 docstring sel = cur.selectionAsString(false);
142
143                 // It may happen that sel is empty but there is a selection
144                 replaceSelection(cur);
145
146                 if (sel.empty()) {
147 #ifdef ENABLE_ASSERTIONS
148                         const int old_pos = cur.pos();
149 #endif
150                         cur.insert(new InsetMathHull(hullSimple));
151                         BOOST_ASSERT(old_pos == cur.pos());
152                         cur.nextInset()->edit(cur, true);
153                         // don't do that also for LFUN_MATH_MODE
154                         // unless you want end up with always changing
155                         // to mathrm when opening an inlined inset --
156                         // I really hate "LyXfunc overloading"...
157                         if (display)
158                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
159                         // Avoid an unnecessary undo step if cmd.argument
160                         // is empty
161                         if (!cmd.argument().empty())
162                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
163                                                          cmd.argument()));
164                 } else {
165                         // create a macro if we see "\\newcommand"
166                         // somewhere, and an ordinary formula
167                         // otherwise
168                         if (sel.find(from_ascii("\\newcommand")) == string::npos
169                             && sel.find(from_ascii("\\def")) == string::npos)
170                         {
171                                 InsetMathHull * formula = new InsetMathHull;
172                                 istringstream is(to_utf8(sel));
173                                 LyXLex lex(0, 0);
174                                 lex.setStream(is);
175                                 formula->read(cur.buffer(), lex);
176                                 if (formula->getType() == hullNone)
177                                         // Don't create pseudo formulas if
178                                         // delimiters are left out
179                                         formula->mutate(hullSimple);
180                                 cur.insert(formula);
181                         } else {
182                                 cur.insert(new MathMacroTemplate(sel));
183                         }
184                 }
185                 cur.message(from_utf8(N_("Math editor mode")));
186         }
187
188 } // namespace anon
189
190
191
192 namespace bv_funcs {
193
194 string const freefont2string()
195 {
196         string data;
197         if (font2string(freefont, toggleall, data))
198                 return data;
199         return string();
200 }
201
202 }
203
204 void LyXText::cursorPrevious(LCursor & cur)
205 {
206         pos_type cpos = cur.pos();
207         pit_type cpar = cur.pit();
208
209         int x = cur.x_target();
210         setCursorFromCoordinates(cur, x, 0);
211         cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
212
213         if (cpar == cur.pit() && cpos == cur.pos())
214                 // we have a row which is taller than the workarea. The
215                 // simplest solution is to move to the previous row instead.
216                 cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
217
218         finishUndo();
219         cur.updateFlags(Update::Force | Update::FitCursor);
220 }
221
222
223 void LyXText::cursorNext(LCursor & cur)
224 {
225         pos_type cpos = cur.pos();
226         pit_type cpar = cur.pit();
227
228         int x = cur.x_target();
229         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
230         cur.dispatch(FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
231
232         if (cpar == cur.pit() && cpos == cur.pos())
233                 // we have a row which is taller than the workarea. The
234                 // simplest solution is to move to the next row instead.
235                 cur.dispatch(
236                         FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
237
238         finishUndo();
239         cur.updateFlags(Update::Force | Update::FitCursor);
240 }
241
242
243 namespace {
244
245 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
246 {
247         cap::replaceSelection(cur);
248         cur.insert(new InsetSpecialChar(kind));
249         cur.posRight();
250 }
251
252
253 bool doInsertInset(LCursor & cur, LyXText * text,
254         FuncRequest const & cmd, bool edit, bool pastesel)
255 {
256         InsetBase * inset = createInset(&cur.bv(), cmd);
257         if (!inset)
258                 return false;
259
260         recordUndo(cur);
261         bool gotsel = false;
262         if (cur.selection()) {
263                 lyx::dispatch(FuncRequest(LFUN_CUT));
264                 gotsel = true;
265         }
266         text->insertInset(cur, inset);
267
268         if (edit)
269                 inset->edit(cur, true);
270
271         if (gotsel && pastesel) {
272                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
273                 // reset first par to default
274                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
275                         LyXLayout_ptr const layout =
276                                 cur.buffer().params().getLyXTextClass().defaultLayout();
277                         cur.text()->paragraphs().begin()->layout(layout);
278                 }
279         }
280         return true;
281 }
282
283
284 } // anon namespace
285
286
287 void LyXText::number(LCursor & cur)
288 {
289         LyXFont font(LyXFont::ALL_IGNORE);
290         font.setNumber(LyXFont::TOGGLE);
291         toggleAndShow(cur, this, font);
292 }
293
294
295 bool LyXText::isRTL(Buffer const & buffer, Paragraph const & par) const
296 {
297         return par.isRightToLeftPar(buffer.params());
298 }
299
300
301 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
302 {
303         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
304
305         // FIXME: We use the update flag to indicates wether a singlePar or a
306         // full screen update is needed. We reset it here but shall we restore it
307         // at the end?
308         cur.noUpdate();
309
310         BOOST_ASSERT(cur.text() == this);
311         BufferView * bv = &cur.bv();
312         CursorSlice oldTopSlice = cur.top();
313         bool oldBoundary = cur.boundary();
314         bool sel = cur.selection();
315         // Signals that, even if needsUpdate == false, an update of the
316         // cursor paragraph is required
317         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
318                 LyXAction::SingleParUpdate);
319         // Signals that a full-screen update is required
320         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
321                 LyXAction::NoUpdate) || singleParUpdate);
322         // Remember the old paragraph metric (_outer_ paragraph!)
323         ParagraphMetrics const & pm = cur.bv().parMetrics(
324                 cur.bottom().text(), cur.bottom().pit());
325         Dimension olddim = pm.dim();
326
327         switch (cmd.action) {
328
329         case LFUN_PARAGRAPH_MOVE_DOWN: {
330                 pit_type const pit = cur.pit();
331                 recUndo(cur, pit, pit + 1);
332                 finishUndo();
333                 std::swap(pars_[pit], pars_[pit + 1]);
334
335                 ParIterator begin(cur);
336                 ++cur.pit();
337                 ParIterator end = boost::next(ParIterator(cur));
338                 updateLabels(cur.buffer(), begin, end);
339
340                 needsUpdate = true;
341                 break;
342         }
343
344         case LFUN_PARAGRAPH_MOVE_UP: {
345                 pit_type const pit = cur.pit();
346                 recUndo(cur, pit - 1, pit);
347                 finishUndo();
348                 std::swap(pars_[pit], pars_[pit - 1]);
349
350                 ParIterator end = boost::next(ParIterator(cur));
351                 --cur.pit();
352                 ParIterator begin(cur);
353                 updateLabels(cur.buffer(), begin, end);
354
355                 needsUpdate = true;
356                 break;
357         }
358
359         case LFUN_APPENDIX: {
360                 Paragraph & par = cur.paragraph();
361                 bool start = !par.params().startOfAppendix();
362
363 #ifdef WITH_WARNINGS
364 #warning The code below only makes sense at top level.
365 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
366 #endif
367                 // ensure that we have only one start_of_appendix in this document
368                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
369                         if (pars_[tmp].params().startOfAppendix()) {
370                                 recUndo(cur, tmp);
371                                 pars_[tmp].params().startOfAppendix(false);
372                                 break;
373                         }
374                 }
375
376                 recordUndo(cur);
377                 par.params().startOfAppendix(start);
378
379                 // we can set the refreshing parameters now
380                 updateLabels(cur.buffer());
381                 break;
382         }
383
384         case LFUN_WORD_DELETE_FORWARD:
385                 cur.clearSelection();
386                 deleteWordForward(cur);
387                 finishChange(cur, false);
388                 break;
389
390         case LFUN_WORD_DELETE_BACKWARD:
391                 cur.clearSelection();
392                 deleteWordBackward(cur);
393                 finishChange(cur, false);
394                 break;
395
396         case LFUN_LINE_DELETE:
397                 cur.clearSelection();
398                 deleteLineForward(cur);
399                 finishChange(cur, false);
400                 break;
401
402         case LFUN_BUFFER_BEGIN:
403         case LFUN_BUFFER_BEGIN_SELECT:
404                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
405                 if (cur.depth() == 1) {
406                         needsUpdate |= cursorTop(cur);
407                 } else {
408                         cur.undispatched();
409                 }
410                 break;
411
412         case LFUN_BUFFER_END:
413         case LFUN_BUFFER_END_SELECT:
414                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
415                 if (cur.depth() == 1) {
416                         needsUpdate |= cursorBottom(cur);
417                 } else {
418                         cur.undispatched();
419                 }
420                 break;
421
422         case LFUN_CHAR_FORWARD:
423         case LFUN_CHAR_FORWARD_SELECT:
424                 //lyxerr << BOOST_CURRENT_FUNCTION
425                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
426                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
427                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
428                         needsUpdate |= cursorLeft(cur);
429                 else
430                         needsUpdate |= cursorRight(cur);
431
432                 if (!needsUpdate && oldTopSlice == cur.top()
433                                 && cur.boundary() == oldBoundary) {
434                         cur.undispatched();
435                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
436                 }
437                 if (cur.selection())
438                         saveSelection(cur);
439                 break;
440
441         case LFUN_CHAR_BACKWARD:
442         case LFUN_CHAR_BACKWARD_SELECT:
443                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
444                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
445                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
446                         needsUpdate |= cursorRight(cur);
447                 else
448                         needsUpdate |= cursorLeft(cur);
449
450                 if (!needsUpdate && oldTopSlice == cur.top()
451                         && cur.boundary() == oldBoundary) {
452                         cur.undispatched();
453                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
454                 }
455                 if (cur.selection())
456                         saveSelection(cur);
457                 break;
458
459         case LFUN_UP:
460         case LFUN_UP_SELECT:
461                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
462                 needsUpdate |= cur.selHandle(cmd.action == LFUN_UP_SELECT);
463
464                 needsUpdate |= cursorUp(cur);
465
466                 if (!needsUpdate && oldTopSlice == cur.top()
467                           && cur.boundary() == oldBoundary) {
468                         cur.undispatched();
469                         cmd = FuncRequest(LFUN_FINISHED_UP);
470                 }
471                 if (cur.selection())
472                         saveSelection(cur);
473                 break;
474
475         case LFUN_DOWN:
476         case LFUN_DOWN_SELECT:
477                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
478                 needsUpdate |= cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
479                 needsUpdate |= cursorDown(cur);
480
481                 if (!needsUpdate && oldTopSlice == cur.top() &&
482                     cur.boundary() == oldBoundary)
483                 {
484                         cur.undispatched();
485                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
486                 }
487                 if (cur.selection())
488                         saveSelection(cur);
489                 break;
490
491         case LFUN_PARAGRAPH_UP:
492         case LFUN_PARAGRAPH_UP_SELECT:
493                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
494                 needsUpdate |= cursorUpParagraph(cur);
495                 if (cur.selection())
496                         saveSelection(cur);
497                 break;
498
499         case LFUN_PARAGRAPH_DOWN:
500         case LFUN_PARAGRAPH_DOWN_SELECT:
501                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
502                 needsUpdate |= cursorDownParagraph(cur);
503                 if (cur.selection())
504                         saveSelection(cur);
505                 break;
506
507         case LFUN_SCREEN_UP:
508         case LFUN_SCREEN_UP_SELECT:
509                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
510                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
511                         cur.undispatched();
512                         cmd = FuncRequest(LFUN_FINISHED_UP);
513                 } else {
514                         cursorPrevious(cur);
515                 }
516                 if (cur.selection())
517                         saveSelection(cur);
518                 break;
519
520         case LFUN_SCREEN_DOWN:
521         case LFUN_SCREEN_DOWN_SELECT:
522                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
523                 if (cur.pit() == cur.lastpit()
524                           && cur.textRow().endpos() == cur.lastpos()) {
525                         cur.undispatched();
526                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
527                 } else {
528                         cursorNext(cur);
529                 }
530                 if (cur.selection())
531                         saveSelection(cur);
532                 break;
533
534         case LFUN_LINE_BEGIN:
535         case LFUN_LINE_BEGIN_SELECT:
536                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
537                 needsUpdate |= cursorHome(cur);
538                 break;
539
540         case LFUN_LINE_END:
541         case LFUN_LINE_END_SELECT:
542                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
543                 needsUpdate |= cursorEnd(cur);
544                 if (cur.selection())
545                         saveSelection(cur);
546                 break;
547
548         case LFUN_WORD_FORWARD:
549         case LFUN_WORD_FORWARD_SELECT:
550                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
551                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
552                         needsUpdate |= cursorLeftOneWord(cur);
553                 else
554                         needsUpdate |= cursorRightOneWord(cur);
555                 if (cur.selection())
556                         saveSelection(cur);
557                 break;
558
559         case LFUN_WORD_BACKWARD:
560         case LFUN_WORD_BACKWARD_SELECT:
561                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
562                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
563                         needsUpdate |= cursorRightOneWord(cur);
564                 else
565                         needsUpdate |= cursorLeftOneWord(cur);
566                 if (cur.selection())
567                         saveSelection(cur);
568                 break;
569
570         case LFUN_WORD_SELECT: {
571                 selectWord(cur, WHOLE_WORD);
572                 finishChange(cur, true);
573                 break;
574         }
575
576         case LFUN_BREAK_LINE: {
577                 // Not allowed by LaTeX (labels or empty par)
578                 if (cur.pos() > cur.paragraph().beginOfBody()) {
579                         if (!cur.selection())
580                                 recordUndo(cur);
581                         cap::replaceSelection(cur);
582                         cur.insert(new InsetNewline);
583                         cur.posRight();
584                         moveCursor(cur, false);
585                 }
586                 break;
587         }
588
589         case LFUN_CHAR_DELETE_FORWARD:
590                 if (!cur.selection()) {
591                         if (cur.pos() == cur.paragraph().size())
592                                 // Par boundary, force full-screen update
593                                 singleParUpdate = false;
594                         needsUpdate |= erase(cur);
595                         cur.resetAnchor();
596                         // It is possible to make it a lot faster still
597                         // just comment out the line below...
598                 } else {
599                         cutSelection(cur, true, false);
600                         singleParUpdate = false;
601                 }
602                 moveCursor(cur, false);
603                 break;
604
605         case LFUN_DELETE_FORWARD_SKIP:
606                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
607                 if (!cur.selection()) {
608                         if (cur.pos() == cur.lastpos()) {
609                                 cursorRight(cur);
610                                 cursorLeft(cur);
611                         }
612                         erase(cur);
613                         cur.resetAnchor();
614                 } else {
615                         cutSelection(cur, true, false);
616                 }
617                 break;
618
619
620         case LFUN_CHAR_DELETE_BACKWARD:
621                 if (!cur.selection()) {
622                         if (bv->getIntl().getTransManager().backspace()) {
623                                 // Par boundary, full-screen update
624                                 if (cur.pos() == 0)
625                                         singleParUpdate = false;
626                                 needsUpdate |= backspace(cur);
627                                 cur.resetAnchor();
628                                 // It is possible to make it a lot faster still
629                                 // just comment out the line below...
630                         }
631                 } else {
632                         cutSelection(cur, true, false);
633                         singleParUpdate = false;
634                 }
635                 bv->switchKeyMap();
636                 break;
637
638         case LFUN_DELETE_BACKWARD_SKIP:
639                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
640                 if (!cur.selection()) {
641 #ifdef WITH_WARNINGS
642 #warning look here
643 #endif
644                         //CursorSlice cur = cursor();
645                         backspace(cur);
646                         //anchor() = cur;
647                 } else {
648                         cutSelection(cur, true, false);
649                 }
650                 break;
651
652         case LFUN_BREAK_PARAGRAPH:
653                 cap::replaceSelection(cur);
654                 breakParagraph(cur, 0);
655                 cur.resetAnchor();
656                 bv->switchKeyMap();
657                 break;
658
659         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
660                 cap::replaceSelection(cur);
661                 breakParagraph(cur, 1);
662                 cur.resetAnchor();
663                 bv->switchKeyMap();
664                 break;
665
666         case LFUN_BREAK_PARAGRAPH_SKIP: {
667                 // When at the beginning of a paragraph, remove
668                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
669                 cap::replaceSelection(cur);
670                 if (cur.pos() == 0)
671                         cur.paragraph().params().labelWidthString(docstring());
672                 else
673                         breakParagraph(cur, 0);
674                 cur.resetAnchor();
675                 bv->switchKeyMap();
676                 break;
677         }
678
679         case LFUN_PARAGRAPH_SPACING: {
680                 Paragraph & par = cur.paragraph();
681                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
682                 string cur_value = "1.0";
683                 if (cur_spacing == Spacing::Other)
684                         cur_value = par.params().spacing().getValueAsString();
685
686                 istringstream is(to_utf8(cmd.argument()));
687                 string tmp;
688                 is >> tmp;
689                 Spacing::Space new_spacing = cur_spacing;
690                 string new_value = cur_value;
691                 if (tmp.empty()) {
692                         lyxerr << "Missing argument to `paragraph-spacing'"
693                                << endl;
694                 } else if (tmp == "single") {
695                         new_spacing = Spacing::Single;
696                 } else if (tmp == "onehalf") {
697                         new_spacing = Spacing::Onehalf;
698                 } else if (tmp == "double") {
699                         new_spacing = Spacing::Double;
700                 } else if (tmp == "other") {
701                         new_spacing = Spacing::Other;
702                         string tmpval = "0.0";
703                         is >> tmpval;
704                         lyxerr << "new_value = " << tmpval << endl;
705                         if (tmpval != "0.0")
706                                 new_value = tmpval;
707                 } else if (tmp == "default") {
708                         new_spacing = Spacing::Default;
709                 } else {
710                         lyxerr << to_utf8(_("Unknown spacing argument: "))
711                                << to_utf8(cmd.argument()) << endl;
712                 }
713                 if (cur_spacing != new_spacing || cur_value != new_value)
714                         par.params().spacing(Spacing(new_spacing, new_value));
715                 break;
716         }
717
718         case LFUN_INSET_INSERT: {
719                 recordUndo(cur);
720                 InsetBase * inset = createInset(bv, cmd);
721                 if (inset) {
722                         // FIXME (Abdel 01/02/2006):
723                         // What follows would be a partial fix for bug 2154:
724                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
725                         // This automatically put the label inset _after_ a 
726                         // numbered section. It should be possible to extend the mechanism
727                         // to any kind of LateX environement.
728                         // The correct way to fix that bug would be at LateX generation.
729                         // I'll let the code here for reference as it could be used for some
730                         // other feature like "automatic labelling".
731                         /*
732                         Paragraph & par = pars_[cur.pit()];
733                         if (inset->lyxCode() == InsetBase::LABEL_CODE
734                                 && par.layout()->labeltype == LABEL_COUNTER) {
735                                 // Go to the end of the paragraph
736                                 // Warning: Because of Change-Tracking, the last
737                                 // position is 'size()' and not 'size()-1':
738                                 cur.pos() = par.size();
739                                 // Insert a new paragraph
740                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
741                                 dispatch(cur, fr);
742                         }
743                         */
744                         insertInset(cur, inset);
745                         cur.posRight();
746                 }
747                 break;
748         }
749
750         case LFUN_INSET_DISSOLVE:
751                 needsUpdate |= dissolveInset(cur);
752                 break;
753
754         case LFUN_INSET_SETTINGS:
755                 cur.inset().showInsetDialog(bv);
756                 break;
757
758         case LFUN_SPACE_INSERT:
759                 if (cur.paragraph().layout()->free_spacing)
760                         insertChar(cur, ' ');
761                 else {
762                         doInsertInset(cur, this, cmd, false, false);
763                         cur.posRight();
764                 }
765                 moveCursor(cur, false);
766                 break;
767
768         case LFUN_HYPHENATION_POINT_INSERT:
769                 specialChar(cur, InsetSpecialChar::HYPHENATION);
770                 break;
771
772         case LFUN_LIGATURE_BREAK_INSERT:
773                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
774                 break;
775
776         case LFUN_DOTS_INSERT:
777                 specialChar(cur, InsetSpecialChar::LDOTS);
778                 break;
779
780         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
781                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
782                 break;
783
784         case LFUN_MENU_SEPARATOR_INSERT:
785                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
786                 break;
787
788         case LFUN_WORD_UPCASE:
789                 changeCase(cur, LyXText::text_uppercase);
790                 break;
791
792         case LFUN_WORD_LOWCASE:
793                 changeCase(cur, LyXText::text_lowercase);
794                 break;
795
796         case LFUN_WORD_CAPITALIZE:
797                 changeCase(cur, LyXText::text_capitalization);
798                 break;
799
800         case LFUN_CHARS_TRANSPOSE:
801                 charsTranspose(cur);
802                 break;
803
804         case LFUN_PASTE:
805                 cur.message(_("Paste"));
806                 cap::replaceSelection(cur);
807                 if (cmd.argument().empty() && !theClipboard().isInternal())
808                         pasteClipboard(cur, bv->buffer()->errorList("Paste"));
809                 else {
810                         string const arg(to_utf8(cmd.argument()));
811                         pasteFromStack(cur, bv->buffer()->errorList("Paste"),
812                                         isStrUnsignedInt(arg) ?
813                                                 convert<unsigned int>(arg) :
814                                                 0);
815                 }
816                 bv->buffer()->errors("Paste");
817                 cur.clearSelection(); // bug 393
818                 bv->switchKeyMap();
819                 finishUndo();
820                 break;
821
822         case LFUN_CUT:
823                 cutSelection(cur, true, true);
824                 cur.message(_("Cut"));
825                 break;
826
827         case LFUN_COPY:
828                 copySelection(cur);
829                 cur.message(_("Copy"));
830                 break;
831
832         case LFUN_SERVER_GET_XY:
833                 cur.message(from_utf8(
834                         convert<string>(cursorX(cur.bv(), cur.top(), cur.boundary()))
835                         + ' ' + convert<string>(cursorY(cur.bv(), cur.top(), cur.boundary()))));
836                 break;
837
838         case LFUN_SERVER_SET_XY: {
839                 int x = 0;
840                 int y = 0;
841                 istringstream is(to_utf8(cmd.argument()));
842                 is >> x >> y;
843                 if (!is)
844                         lyxerr << "SETXY: Could not parse coordinates in '"
845                                << to_utf8(cmd.argument()) << std::endl;
846                 else
847                         setCursorFromCoordinates(cur, x, y);
848                 break;
849         }
850
851         case LFUN_SERVER_GET_FONT:
852                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
853                         cur.message(from_ascii("E"));
854                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
855                         cur.message(from_ascii("N"));
856                 else
857                         cur.message(from_ascii("0"));
858                 break;
859
860         case LFUN_SERVER_GET_LAYOUT:
861                 cur.message(from_utf8(cur.paragraph().layout()->name()));
862                 break;
863
864         case LFUN_LAYOUT: {
865                 string layout = to_ascii(cmd.argument());
866                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) " << layout << endl;
867
868                 // Derive layout number from given argument (string)
869                 // and current buffer's textclass (number)
870                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
871                 if (layout.empty())
872                         layout = tclass.defaultLayoutName();
873                 bool hasLayout = tclass.hasLayout(layout);
874
875                 // If the entry is obsolete, use the new one instead.
876                 if (hasLayout) {
877                         string const & obs = tclass[layout]->obsoleted_by();
878                         if (!obs.empty())
879                                 layout = obs;
880                 }
881
882                 if (!hasLayout) {
883                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
884                                 from_utf8(N_(" not known")));
885                         break;
886                 }
887
888                 bool change_layout = (current_layout != layout);
889
890                 if (!change_layout && cur.selection() &&
891                         cur.selBegin().pit() != cur.selEnd().pit())
892                 {
893                         pit_type spit = cur.selBegin().pit();
894                         pit_type epit = cur.selEnd().pit() + 1;
895                         while (spit != epit) {
896                                 if (pars_[spit].layout()->name() != current_layout) {
897                                         change_layout = true;
898                                         break;
899                                 }
900                                 ++spit;
901                         }
902                 }
903
904                 if (change_layout) {
905                         current_layout = layout;
906                         setLayout(cur, layout);
907                         // inform the GUI that the layout has changed.
908                         bv->layoutChanged(layout);
909                         bv->switchKeyMap();
910                 }
911                 break;
912         }
913
914         case LFUN_CLIPBOARD_PASTE:
915                 cur.clearSelection();
916                 pasteClipboard(cur, bv->buffer()->errorList("Paste"),
917                                cmd.argument() == "paragraph");
918                 bv->buffer()->errors("Paste");
919                 break;
920
921         case LFUN_PRIMARY_SELECTION_PASTE:
922                 pasteString(cur, theSelection().get(),
923                             cmd.argument() == "paragraph");
924                 break;
925
926         case LFUN_UNICODE_INSERT: {
927                 if (cmd.argument().empty())
928                         break;
929                 docstring hexstring = cmd.argument();
930                 if (lyx::support::isHex(hexstring)) {
931                         char_type c = lyx::support::hexToInt(hexstring);
932                         if (c > 32 && c < 0x10ffff) {
933                                 lyxerr << "Inserting c: " << c << endl;
934                                 docstring s = docstring(1, c);
935                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
936                         }
937                 }
938                 break;
939         }
940                 
941         case LFUN_QUOTE_INSERT: {
942                 cap::replaceSelection(cur);
943                 Paragraph & par = cur.paragraph();
944                 pos_type pos = cur.pos();
945                 char_type c;
946                 if (pos == 0)
947                         c = ' ';
948                 else if (cur.prevInset() && cur.prevInset()->isSpace())
949                         c = ' ';
950                 else
951                         c = par.getChar(pos - 1);
952
953                 LyXLayout_ptr const & style = par.layout();
954
955                 BufferParams const & bufparams = bv->buffer()->params();
956                 if (!style->pass_thru
957                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
958                         string arg = to_utf8(cmd.argument());
959                         if (arg == "single")
960                                 cur.insert(new InsetQuotes(c,
961                                     bufparams.quotes_language,
962                                     InsetQuotes::SingleQ));
963                         else
964                                 cur.insert(new InsetQuotes(c,
965                                     bufparams.quotes_language,
966                                     InsetQuotes::DoubleQ));
967                         cur.posRight();
968                 }
969                 else
970                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
971                 break;
972         }
973
974         case LFUN_DATE_INSERT:
975                 if (cmd.argument().empty())
976                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
977                                 formatted_time(current_time())));
978                 else
979                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
980                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
981                 break;
982
983         case LFUN_MOUSE_TRIPLE:
984                 if (cmd.button() == mouse_button::button1) {
985                         cursorHome(cur);
986                         cur.resetAnchor();
987                         cursorEnd(cur);
988                         cur.setSelection();
989                         bv->cursor() = cur;
990                         saveSelection(cur);
991                 }
992                 break;
993
994         case LFUN_MOUSE_DOUBLE:
995                 if (cmd.button() == mouse_button::button1) {
996                         selectWord(cur, WHOLE_WORD_STRICT);
997                         bv->cursor() = cur;
998                 }
999                 break;
1000
1001         // Single-click on work area
1002         case LFUN_MOUSE_PRESS: {
1003                 // Right click on a footnote flag opens float menu
1004                 if (cmd.button() == mouse_button::button3)
1005                         cur.clearSelection();
1006
1007                 // Middle button press pastes if we have a selection
1008                 // We do this here as if the selection was inside an inset
1009                 // it could get cleared on the unlocking of the inset so
1010                 // we have to check this first
1011                 bool paste_internally = false;
1012                 if (cmd.button() == mouse_button::button2 && cap::selection()) {
1013                         // Copy the selection buffer to the clipboard
1014                         // stack, because we want it to appear in the
1015                         // "Edit->Paste recent" menu.
1016                         cap::copySelectionToStack();
1017                         paste_internally = true;
1018                 }
1019
1020                 // we have to update after dePM triggered
1021                 bool update = bv->mouseSetCursor(cur);
1022
1023                 // Insert primary selection with middle mouse
1024                 // if there is a local selection in the current buffer,
1025                 // insert this
1026                 if (cmd.button() == mouse_button::button2) {
1027                         if (paste_internally) {
1028                                 cap::pasteSelection(cur, bv->buffer()->errorList("Paste"));
1029                                 bv->buffer()->errors("Paste");
1030                                 cur.clearSelection(); // bug 393
1031                                 bv->switchKeyMap();
1032                                 finishUndo();
1033                         } else
1034                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1035                 }
1036
1037                 if (!update && cmd.button() == mouse_button::button1) {
1038                         needsUpdate = false;
1039                         cur.noUpdate();
1040                 }
1041
1042                 break;
1043         }
1044
1045         case LFUN_MOUSE_MOTION: {
1046                 // Only use motion with button 1
1047                 //if (cmd.button() != mouse_button::button1)
1048                 //      return false;
1049
1050                 // ignore motions deeper nested than the real anchor
1051                 LCursor & bvcur = cur.bv().cursor();
1052                 if (bvcur.anchor_.hasPart(cur)) {
1053                         CursorSlice old = bvcur.top();
1054
1055                         int const wh = bv->workHeight();
1056                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1057
1058                         setCursorFromCoordinates(cur, cmd.x, y);
1059                         cur.x_target() = cmd.x;
1060                         if (cmd.y >= wh)
1061                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1062                         else if (cmd.y < 0)
1063                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1064                         // This is to allow jumping over large insets
1065                         if (cur.top() == old) {
1066                                 if (cmd.y >= wh)
1067                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1068                                 else if (cmd.y < 0)
1069                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1070                         }
1071
1072                         if (cur.top() == old)
1073                                 cur.noUpdate();
1074                         else {
1075                                 // don't set anchor_
1076                                 bvcur.setCursor(cur);
1077                                 bvcur.selection() = true;
1078                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1079                         }
1080
1081                 } else
1082                         cur.undispatched();
1083                 break;
1084         }
1085
1086         case LFUN_MOUSE_RELEASE: {
1087                 if (cmd.button() == mouse_button::button2)
1088                         break;
1089
1090                 if (cmd.button() == mouse_button::button1) {
1091                         // if there is new selection, update persistent
1092                         // selection, otherwise, single click does not
1093                         // clear persistent selection buffer
1094                         if (cur.selection()) {
1095                                 // finish selection
1096                                 // if double click, cur is moved to the end of word by selectWord
1097                                 // but bvcur is current mouse position
1098                                 LCursor & bvcur = cur.bv().cursor();
1099                                 bvcur.selection() = true;
1100                                 saveSelection(bvcur);
1101                         }
1102                         needsUpdate = false;
1103                         cur.noUpdate();
1104                 }
1105
1106                 bv->switchKeyMap();
1107                 break;
1108         }
1109
1110         case LFUN_SELF_INSERT: {
1111                 if (cmd.argument().empty())
1112                         break;
1113
1114                 // Automatically delete the currently selected
1115                 // text and replace it with what is being
1116                 // typed in now. Depends on lyxrc settings
1117                 // "auto_region_delete", which defaults to
1118                 // true (on).
1119
1120                 if (lyxrc.auto_region_delete)
1121                         if (cur.selection())
1122                                 cutSelection(cur, false, false);
1123
1124                 cur.clearSelection();
1125                 LyXFont const old_font = real_current_font;
1126
1127                 docstring::const_iterator cit = cmd.argument().begin();
1128                 docstring::const_iterator end = cmd.argument().end();
1129                 for (; cit != end; ++cit)
1130 #if 0
1131                         bv->getIntl().getTransManager().
1132                                 translateAndInsert(*cit, this);
1133 #else
1134                         insertChar(bv->cursor(), *cit);
1135 #endif
1136
1137                 cur.resetAnchor();
1138                 moveCursor(cur, false);
1139                 break;
1140         }
1141
1142         case LFUN_URL_INSERT: {
1143                 InsetCommandParams p("url");
1144                 string const data = InsetCommandMailer::params2string("url", p);
1145                 bv->showInsetDialog("url", data, 0);
1146                 break;
1147         }
1148
1149         case LFUN_HTML_INSERT: {
1150                 InsetCommandParams p("htmlurl");
1151                 string const data = InsetCommandMailer::params2string("url", p);
1152                 bv->showInsetDialog("url", data, 0);
1153                 break;
1154         }
1155
1156         case LFUN_LABEL_INSERT: {
1157                 InsetCommandParams p("label");
1158                 // Try to generate a valid label
1159                 p["name"] = (cmd.argument().empty()) ?
1160                         cur.getPossibleLabel() :
1161                         cmd.argument();
1162                 string const data = InsetCommandMailer::params2string("label", p);
1163
1164                 if (cmd.argument().empty()) {
1165                         bv->showInsetDialog("label", data, 0);
1166                 } else {
1167                         FuncRequest fr(LFUN_INSET_INSERT, data);
1168                         dispatch(cur, fr);
1169                 }
1170                 break;
1171         }
1172
1173
1174 #if 0
1175         case LFUN_LIST_INSERT:
1176         case LFUN_THEOREM_INSERT:
1177 #endif
1178         case LFUN_CAPTION_INSERT:
1179                 // Open the inset, and move the current selection
1180                 // inside it.
1181                 doInsertInset(cur, this, cmd, true, true);
1182                 cur.posRight();
1183                 updateLabels(*bv->buffer());
1184                 break;
1185         case LFUN_NOTE_INSERT:
1186         case LFUN_CHARSTYLE_INSERT:
1187         case LFUN_BOX_INSERT:
1188         case LFUN_BRANCH_INSERT:
1189         case LFUN_BIBITEM_INSERT:
1190         case LFUN_ERT_INSERT:
1191         case LFUN_FOOTNOTE_INSERT:
1192         case LFUN_MARGINALNOTE_INSERT:
1193         case LFUN_OPTIONAL_INSERT:
1194         case LFUN_ENVIRONMENT_INSERT:
1195                 // Open the inset, and move the current selection
1196                 // inside it.
1197                 doInsertInset(cur, this, cmd, true, true);
1198                 cur.posRight();
1199                 break;
1200
1201         case LFUN_TABULAR_INSERT:
1202                 // if there were no arguments, just open the dialog
1203                 if (doInsertInset(cur, this, cmd, false, true))
1204                         cur.posRight();
1205                 else
1206                         bv->showDialog("tabularcreate");
1207
1208                 break;
1209
1210         case LFUN_FLOAT_INSERT:
1211         case LFUN_FLOAT_WIDE_INSERT:
1212         case LFUN_WRAP_INSERT: {
1213                 doInsertInset(cur, this, cmd, true, true);
1214                 cur.posRight();
1215                 ParagraphList & pars = cur.text()->paragraphs();
1216                 // We create two additional empty paragraphs so that the
1217                 // user can choose where to put the graphics (or table).
1218                 pars.push_back(pars[0]);
1219                 pars.push_back(pars[0]);
1220                 // Now that we have three paragraphs, we reposition the cursor
1221                 // at the beginning of the second one.
1222                 cur.pit() = 1;
1223                 cur.pos() = 0;
1224                 cur.dispatch(FuncRequest(LFUN_CAPTION_INSERT));
1225                 // FIXME: When leaving the Float (or Wrap) inset we should
1226                 // delete any empty paragraph left above or below the
1227                 // caption.
1228                 break;
1229         }
1230
1231         case LFUN_INDEX_INSERT:
1232         case LFUN_NOMENCL_INSERT: {
1233                 InsetBase * inset = createInset(&cur.bv(), cmd);
1234                 if (!inset)
1235                         break;
1236
1237                 recordUndo(cur);
1238                 cur.clearSelection();
1239                 insertInset(cur, inset);
1240                 inset->edit(cur, true);
1241                 // Show the dialog for the nomenclature entry, since the
1242                 // description entry still needs to be filled in.
1243                 if (cmd.action == LFUN_NOMENCL_INSERT)
1244                         InsetCommandMailer("nomenclature",
1245                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1246                 cur.posRight();
1247                 break;
1248         }
1249
1250         case LFUN_INDEX_PRINT:
1251         case LFUN_NOMENCL_PRINT:
1252         case LFUN_TOC_INSERT:
1253         case LFUN_HFILL_INSERT:
1254         case LFUN_LINE_INSERT:
1255         case LFUN_PAGEBREAK_INSERT:
1256         case LFUN_CLEARPAGE_INSERT:
1257         case LFUN_CLEARDOUBLEPAGE_INSERT:
1258                 // do nothing fancy
1259                 doInsertInset(cur, this, cmd, false, false);
1260                 cur.posRight();
1261                 break;
1262
1263         case LFUN_DEPTH_DECREMENT:
1264                 changeDepth(cur, DEC_DEPTH);
1265                 break;
1266
1267         case LFUN_DEPTH_INCREMENT:
1268                 changeDepth(cur, INC_DEPTH);
1269                 break;
1270
1271         case LFUN_MATH_DISPLAY:
1272                 mathDispatch(cur, cmd, true);
1273                 break;
1274
1275         case LFUN_MATH_IMPORT_SELECTION:
1276         case LFUN_MATH_MODE:
1277                 if (cmd.argument() == "on")
1278                         // don't pass "on" as argument
1279                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1280                 else
1281                         mathDispatch(cur, cmd, false);
1282                 break;
1283
1284         case LFUN_MATH_MACRO:
1285                 if (cmd.argument().empty())
1286                         cur.errorMessage(from_utf8(N_("Missing argument")));
1287                 else {
1288                         string s = to_utf8(cmd.argument());
1289                         string const s1 = token(s, ' ', 1);
1290                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1291                         string const s2 = token(s, ' ', 2);
1292                         string const type = s2.empty() ? "newcommand" : s2;
1293                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1294                         //cur.nextInset()->edit(cur, true);
1295                 }
1296                 break;
1297
1298         // passthrough hat and underscore outside mathed:
1299         case LFUN_MATH_SUBSCRIPT:
1300                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1301                 break;
1302         case LFUN_MATH_SUPERSCRIPT:
1303                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1304                 break;
1305
1306         case LFUN_MATH_INSERT:
1307         case LFUN_MATH_MATRIX:
1308         case LFUN_MATH_DELIM:
1309         case LFUN_MATH_BIGDELIM: {
1310                 cur.insert(new InsetMathHull(hullSimple));
1311                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1312                 cur.dispatch(cmd);
1313                 break;
1314         }
1315
1316         case LFUN_FONT_EMPH: {
1317                 LyXFont font(LyXFont::ALL_IGNORE);
1318                 font.setEmph(LyXFont::TOGGLE);
1319                 toggleAndShow(cur, this, font);
1320                 break;
1321         }
1322
1323         case LFUN_FONT_BOLD: {
1324                 LyXFont font(LyXFont::ALL_IGNORE);
1325                 font.setSeries(LyXFont::BOLD_SERIES);
1326                 toggleAndShow(cur, this, font);
1327                 break;
1328         }
1329
1330         case LFUN_FONT_NOUN: {
1331                 LyXFont font(LyXFont::ALL_IGNORE);
1332                 font.setNoun(LyXFont::TOGGLE);
1333                 toggleAndShow(cur, this, font);
1334                 break;
1335         }
1336
1337         case LFUN_FONT_CODE: {
1338                 LyXFont font(LyXFont::ALL_IGNORE);
1339                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1340                 toggleAndShow(cur, this, font);
1341                 break;
1342         }
1343
1344         case LFUN_FONT_SANS: {
1345                 LyXFont font(LyXFont::ALL_IGNORE);
1346                 font.setFamily(LyXFont::SANS_FAMILY);
1347                 toggleAndShow(cur, this, font);
1348                 break;
1349         }
1350
1351         case LFUN_FONT_ROMAN: {
1352                 LyXFont font(LyXFont::ALL_IGNORE);
1353                 font.setFamily(LyXFont::ROMAN_FAMILY);
1354                 toggleAndShow(cur, this, font);
1355                 break;
1356         }
1357
1358         case LFUN_FONT_DEFAULT: {
1359                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1360                 toggleAndShow(cur, this, font);
1361                 break;
1362         }
1363
1364         case LFUN_FONT_UNDERLINE: {
1365                 LyXFont font(LyXFont::ALL_IGNORE);
1366                 font.setUnderbar(LyXFont::TOGGLE);
1367                 toggleAndShow(cur, this, font);
1368                 break;
1369         }
1370
1371         case LFUN_FONT_SIZE: {
1372                 LyXFont font(LyXFont::ALL_IGNORE);
1373                 font.setLyXSize(to_utf8(cmd.argument()));
1374                 toggleAndShow(cur, this, font);
1375                 break;
1376         }
1377
1378         case LFUN_LANGUAGE: {
1379                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1380                 if (!lang)
1381                         break;
1382                 LyXFont font(LyXFont::ALL_IGNORE);
1383                 font.setLanguage(lang);
1384                 toggleAndShow(cur, this, font);
1385                 bv->switchKeyMap();
1386                 break;
1387         }
1388
1389         case LFUN_FONT_FREE_APPLY:
1390                 toggleAndShow(cur, this, freefont, toggleall);
1391                 cur.message(_("Character set"));
1392                 break;
1393
1394         // Set the freefont using the contents of \param data dispatched from
1395         // the frontends and apply it at the current cursor location.
1396         case LFUN_FONT_FREE_UPDATE: {
1397                 LyXFont font;
1398                 bool toggle;
1399                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1400                         freefont = font;
1401                         toggleall = toggle;
1402                         toggleAndShow(cur, this, freefont, toggleall);
1403                         cur.message(_("Character set"));
1404                 }
1405                 break;
1406         }
1407
1408         case LFUN_FINISHED_LEFT:
1409                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1410                 break;
1411
1412         case LFUN_FINISHED_RIGHT:
1413                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1414                 ++cur.pos();
1415                 break;
1416
1417         case LFUN_FINISHED_UP:
1418                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1419                 cursorUp(cur);
1420                 break;
1421
1422         case LFUN_FINISHED_DOWN:
1423                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1424                 cursorDown(cur);
1425                 break;
1426
1427         case LFUN_LAYOUT_PARAGRAPH: {
1428                 string data;
1429                 params2string(cur.paragraph(), data);
1430                 data = "show\n" + data;
1431                 bv->showDialogWithData("paragraph", data);
1432                 break;
1433         }
1434
1435         case LFUN_PARAGRAPH_UPDATE: {
1436                 string data;
1437                 params2string(cur.paragraph(), data);
1438
1439                 // Will the paragraph accept changes from the dialog?
1440                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1441
1442                 data = "update " + convert<string>(accept) + '\n' + data;
1443                 bv->updateDialog("paragraph", data);
1444                 break;
1445         }
1446
1447         case LFUN_ACCENT_UMLAUT:
1448         case LFUN_ACCENT_CIRCUMFLEX:
1449         case LFUN_ACCENT_GRAVE:
1450         case LFUN_ACCENT_ACUTE:
1451         case LFUN_ACCENT_TILDE:
1452         case LFUN_ACCENT_CEDILLA:
1453         case LFUN_ACCENT_MACRON:
1454         case LFUN_ACCENT_DOT:
1455         case LFUN_ACCENT_UNDERDOT:
1456         case LFUN_ACCENT_UNDERBAR:
1457         case LFUN_ACCENT_CARON:
1458         case LFUN_ACCENT_SPECIAL_CARON:
1459         case LFUN_ACCENT_BREVE:
1460         case LFUN_ACCENT_TIE:
1461         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1462         case LFUN_ACCENT_CIRCLE:
1463         case LFUN_ACCENT_OGONEK:
1464                 theLyXFunc().handleKeyFunc(cmd.action);
1465                 if (!cmd.argument().empty())
1466                         // FIXME: Are all these characters encoded in one byte in utf8?
1467                         bv->getIntl().getTransManager()
1468                                 .translateAndInsert(cmd.argument()[0], this, cur);
1469                 break;
1470
1471         case LFUN_FLOAT_LIST: {
1472                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1473                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1474                         // not quite sure if we want this...
1475                         recordUndo(cur);
1476                         cur.clearSelection();
1477                         breakParagraph(cur);
1478
1479                         if (cur.lastpos() != 0) {
1480                                 cursorLeft(cur);
1481                                 breakParagraph(cur);
1482                         }
1483
1484                         setLayout(cur, tclass.defaultLayoutName());
1485                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1486                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1487                         cur.posRight();
1488                 } else {
1489                         lyxerr << "Non-existent float type: "
1490                                << to_utf8(cmd.argument()) << endl;
1491                 }
1492                 break;
1493         }
1494
1495         case LFUN_CHANGE_ACCEPT: {
1496                 acceptOrRejectChanges(cur, ACCEPT);
1497                 break;
1498         }
1499
1500         case LFUN_CHANGE_REJECT: {
1501                 acceptOrRejectChanges(cur, REJECT);
1502                 break;
1503         }
1504
1505         case LFUN_THESAURUS_ENTRY: {
1506                 docstring arg = cmd.argument();
1507                 if (arg.empty()) {
1508                         arg = cur.selectionAsString(false);
1509                         // FIXME
1510                         if (arg.size() > 100 || arg.empty()) {
1511                                 // Get word or selection
1512                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1513                                 arg = cur.selectionAsString(false);
1514                         }
1515                 }
1516                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1517                 break;
1518         }
1519
1520         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1521                 // Given data, an encoding of the ParagraphParameters
1522                 // generated in the Paragraph dialog, this function sets
1523                 // the current paragraph appropriately.
1524                 istringstream is(to_utf8(cmd.argument()));
1525                 LyXLex lex(0, 0);
1526                 lex.setStream(is);
1527                 ParagraphParameters params;
1528                 params.read(lex);
1529                 setParagraph(cur,
1530                              params.spacing(),
1531                              params.align(),
1532                              params.labelWidthString(),
1533                              params.noindent());
1534                 cur.message(_("Paragraph layout set"));
1535                 break;
1536         }
1537
1538         case LFUN_ESCAPE:
1539                 if (cur.selection()) {
1540                         cur.selection() = false;
1541                         saveSelection(cur);
1542                 } else {
1543                         cur.undispatched();
1544                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1545                 }
1546                 break;
1547
1548         default:
1549                 lyxerr[Debug::ACTION]
1550                         << BOOST_CURRENT_FUNCTION
1551                         << ": Command " << cmd
1552                         << " not DISPATCHED by LyXText" << endl;
1553                 cur.undispatched();
1554                 break;
1555         }
1556
1557         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1558
1559         // FIXME: The cursor flag is reset two lines below
1560         // so we need to check here if some of the LFUN did touch that.
1561         // for now only LyXText::erase() and LyXText::backspace() do that.
1562         // The plan is to verify all the LFUNs and then to remove this
1563         // singleParUpdate boolean altogether.
1564         if (cur.result().update() & Update::Force) {
1565                 singleParUpdate = false;
1566                 needsUpdate = true;
1567         }
1568
1569         // FIXME: the following code should go in favor of fine grained
1570         // update flag treatment.
1571         if (singleParUpdate) {
1572                 // Inserting characters does not change par height
1573                 ParagraphMetrics const & pms 
1574                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1575                 if (pms.dim().height()
1576                     == olddim.height()) {
1577                         // if so, update _only_ this paragraph
1578                         cur.updateFlags(Update::SinglePar |
1579                                 Update::FitCursor |
1580                                 Update::MultiParSel);
1581                         return;
1582                 } else
1583                         needsUpdate = true;
1584         }
1585
1586         if (!needsUpdate
1587             && &oldTopSlice.inset() == &cur.inset()
1588             && oldTopSlice.idx() == cur.idx()
1589             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1590             && !cur.selection())
1591                 // FIXME: it would be better if we could just do this
1592                 //
1593                 //if (cur.result().update() != Update::FitCursor)
1594                 //      cur.noUpdate();
1595                 // 
1596                 // But some LFUNs do not set Update::FitCursor when needed, so we
1597                 // do it for all. This is not very harmfull as FitCursor will provoke
1598                 // a full redraw only if needed but still, a proper review of all LFUN
1599                 // should be done and this needsUpdate boolean can then be removed.
1600                 cur.updateFlags(Update::FitCursor);
1601         else
1602                 cur.updateFlags(Update::Force | Update::FitCursor);
1603 }
1604
1605
1606 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1607                         FuncStatus & flag) const
1608 {
1609         BOOST_ASSERT(cur.text() == this);
1610
1611         LyXFont const & font = real_current_font;
1612         bool enable = true;
1613         InsetBase::Code code = InsetBase::NO_CODE;
1614
1615         switch (cmd.action) {
1616
1617         case LFUN_DEPTH_DECREMENT:
1618                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1619                 break;
1620
1621         case LFUN_DEPTH_INCREMENT:
1622                 enable = changeDepthAllowed(cur, INC_DEPTH);
1623                 break;
1624
1625         case LFUN_APPENDIX:
1626                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1627                 return true;
1628
1629         case LFUN_BIBITEM_INSERT:
1630                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1631                 break;
1632
1633         case LFUN_DIALOG_SHOW_NEW_INSET:
1634                 if (cmd.argument() == "bibitem")
1635                         code = InsetBase::BIBITEM_CODE;
1636                 else if (cmd.argument() == "bibtex")
1637                         code = InsetBase::BIBTEX_CODE;
1638                 else if (cmd.argument() == "box")
1639                         code = InsetBase::BOX_CODE;
1640                 else if (cmd.argument() == "branch")
1641                         code = InsetBase::BRANCH_CODE;
1642                 else if (cmd.argument() == "citation")
1643                         code = InsetBase::CITE_CODE;
1644                 else if (cmd.argument() == "ert")
1645                         code = InsetBase::ERT_CODE;
1646                 else if (cmd.argument() == "external")
1647                         code = InsetBase::EXTERNAL_CODE;
1648                 else if (cmd.argument() == "float")
1649                         code = InsetBase::FLOAT_CODE;
1650                 else if (cmd.argument() == "graphics")
1651                         code = InsetBase::GRAPHICS_CODE;
1652                 else if (cmd.argument() == "include")
1653                         code = InsetBase::INCLUDE_CODE;
1654                 else if (cmd.argument() == "index")
1655                         code = InsetBase::INDEX_CODE;
1656                 else if (cmd.argument() == "nomenclature")
1657                         code = InsetBase::NOMENCL_CODE;
1658                 else if (cmd.argument() == "label")
1659                         code = InsetBase::LABEL_CODE;
1660                 else if (cmd.argument() == "note")
1661                         code = InsetBase::NOTE_CODE;
1662                 else if (cmd.argument() == "ref")
1663                         code = InsetBase::REF_CODE;
1664                 else if (cmd.argument() == "toc")
1665                         code = InsetBase::TOC_CODE;
1666                 else if (cmd.argument() == "url")
1667                         code = InsetBase::URL_CODE;
1668                 else if (cmd.argument() == "vspace")
1669                         code = InsetBase::VSPACE_CODE;
1670                 else if (cmd.argument() == "wrap")
1671                         code = InsetBase::WRAP_CODE;
1672                 break;
1673
1674         case LFUN_ERT_INSERT:
1675                 code = InsetBase::ERT_CODE;
1676                 break;
1677         case LFUN_FOOTNOTE_INSERT:
1678                 code = InsetBase::FOOT_CODE;
1679                 break;
1680         case LFUN_TABULAR_INSERT:
1681                 code = InsetBase::TABULAR_CODE;
1682                 break;
1683         case LFUN_MARGINALNOTE_INSERT:
1684                 code = InsetBase::MARGIN_CODE;
1685                 break;
1686         case LFUN_FLOAT_INSERT:
1687         case LFUN_FLOAT_WIDE_INSERT:
1688                 code = InsetBase::FLOAT_CODE;
1689                 break;
1690         case LFUN_WRAP_INSERT:
1691                 code = InsetBase::WRAP_CODE;
1692                 break;
1693         case LFUN_FLOAT_LIST:
1694                 code = InsetBase::FLOAT_LIST_CODE;
1695                 break;
1696 #if 0
1697         case LFUN_LIST_INSERT:
1698                 code = InsetBase::LIST_CODE;
1699                 break;
1700         case LFUN_THEOREM_INSERT:
1701                 code = InsetBase::THEOREM_CODE;
1702                 break;
1703 #endif
1704         case LFUN_CAPTION_INSERT:
1705                 code = InsetBase::CAPTION_CODE;
1706                 break;
1707         case LFUN_NOTE_INSERT:
1708                 code = InsetBase::NOTE_CODE;
1709                 break;
1710         case LFUN_CHARSTYLE_INSERT:
1711                 code = InsetBase::CHARSTYLE_CODE;
1712                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1713                         enable = false;
1714                 break;
1715         case LFUN_BOX_INSERT:
1716                 code = InsetBase::BOX_CODE;
1717                 break;
1718         case LFUN_BRANCH_INSERT:
1719                 code = InsetBase::BRANCH_CODE;
1720                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1721                         enable = false;
1722                 break;
1723         case LFUN_LABEL_INSERT:
1724                 code = InsetBase::LABEL_CODE;
1725                 break;
1726         case LFUN_OPTIONAL_INSERT:
1727                 code = InsetBase::OPTARG_CODE;
1728                 enable = numberOfOptArgs(cur.paragraph())
1729                         < cur.paragraph().layout()->optionalargs;
1730                 break;
1731         case LFUN_ENVIRONMENT_INSERT:
1732                 code = InsetBase::BOX_CODE;
1733                 break;
1734         case LFUN_INDEX_INSERT:
1735                 code = InsetBase::INDEX_CODE;
1736                 break;
1737         case LFUN_INDEX_PRINT:
1738                 code = InsetBase::INDEX_PRINT_CODE;
1739                 break;
1740         case LFUN_NOMENCL_INSERT:
1741                 code = InsetBase::NOMENCL_CODE;
1742                 break;
1743         case LFUN_NOMENCL_PRINT:
1744                 code = InsetBase::NOMENCL_PRINT_CODE;
1745                 break;
1746         case LFUN_TOC_INSERT:
1747                 code = InsetBase::TOC_CODE;
1748                 break;
1749         case LFUN_HTML_INSERT:
1750         case LFUN_URL_INSERT:
1751                 code = InsetBase::URL_CODE;
1752                 break;
1753         case LFUN_QUOTE_INSERT:
1754                 // always allow this, since we will inset a raw quote
1755                 // if an inset is not allowed.
1756                 break;
1757         case LFUN_HYPHENATION_POINT_INSERT:
1758         case LFUN_LIGATURE_BREAK_INSERT:
1759         case LFUN_HFILL_INSERT:
1760         case LFUN_MENU_SEPARATOR_INSERT:
1761         case LFUN_DOTS_INSERT:
1762         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1763                 code = InsetBase::SPECIALCHAR_CODE;
1764                 break;
1765         case LFUN_SPACE_INSERT:
1766                 // slight hack: we know this is allowed in math mode
1767                 if (cur.inTexted())
1768                         code = InsetBase::SPACE_CODE;
1769                 break;
1770
1771         case LFUN_INSET_MODIFY:
1772                 // We need to disable this, because we may get called for a
1773                 // tabular cell via
1774                 // InsetTabular::getStatus() -> InsetText::getStatus()
1775                 // and we don't handle LFUN_INSET_MODIFY.
1776                 enable = false;
1777                 break;
1778
1779         case LFUN_FONT_EMPH:
1780                 flag.setOnOff(font.emph() == LyXFont::ON);
1781                 return true;
1782
1783         case LFUN_FONT_NOUN:
1784                 flag.setOnOff(font.noun() == LyXFont::ON);
1785                 return true;
1786
1787         case LFUN_FONT_BOLD:
1788                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1789                 return true;
1790
1791         case LFUN_FONT_SANS:
1792                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1793                 return true;
1794
1795         case LFUN_FONT_ROMAN:
1796                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1797                 return true;
1798
1799         case LFUN_FONT_CODE:
1800                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1801                 return true;
1802
1803         case LFUN_CUT:
1804         case LFUN_COPY:
1805                 enable = cur.selection();
1806                 break;
1807
1808         case LFUN_PASTE:
1809                 if (cmd.argument().empty()) {
1810                         if (theClipboard().isInternal())
1811                                 enable = cap::numberOfSelections() > 0;
1812                         else
1813                                 enable = !theClipboard().empty();
1814                 } else {
1815                         string const arg = to_utf8(cmd.argument());
1816                         if (isStrUnsignedInt(arg)) {
1817                                 unsigned int n = convert<unsigned int>(arg);
1818                                 enable = cap::numberOfSelections() > n;
1819                         } else
1820                                 // unknown argument
1821                                 enable = false;
1822                 }
1823                 break;
1824
1825         case LFUN_CLIPBOARD_PASTE:
1826                 enable = !theClipboard().empty();
1827                 break;
1828
1829         case LFUN_PRIMARY_SELECTION_PASTE:
1830                 enable = cur.selection() || !theSelection().empty();
1831                 break;
1832
1833         case LFUN_PARAGRAPH_MOVE_UP:
1834                 enable = cur.pit() > 0 && !cur.selection();
1835                 break;
1836
1837         case LFUN_PARAGRAPH_MOVE_DOWN:
1838                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1839                 break;
1840
1841         case LFUN_INSET_DISSOLVE:
1842                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1843                 break;
1844
1845         case LFUN_CHANGE_ACCEPT:
1846         case LFUN_CHANGE_REJECT:
1847                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1848                 // In principle, these LFUNs should only be enabled if there
1849                 // is a change at the current position/in the current selection.
1850                 // However, without proper optimizations, this will inevitably
1851                 // result in unacceptable performance - just imagine a user who
1852                 // wants to select the complete content of a long document.
1853                 enable = true;
1854                 break;
1855
1856         case LFUN_WORD_DELETE_FORWARD:
1857         case LFUN_WORD_DELETE_BACKWARD:
1858         case LFUN_LINE_DELETE:
1859         case LFUN_WORD_FORWARD:
1860         case LFUN_WORD_BACKWARD:
1861         case LFUN_CHAR_FORWARD:
1862         case LFUN_CHAR_FORWARD_SELECT:
1863         case LFUN_CHAR_BACKWARD:
1864         case LFUN_CHAR_BACKWARD_SELECT:
1865         case LFUN_UP:
1866         case LFUN_UP_SELECT:
1867         case LFUN_DOWN:
1868         case LFUN_DOWN_SELECT:
1869         case LFUN_PARAGRAPH_UP_SELECT:
1870         case LFUN_PARAGRAPH_DOWN_SELECT:
1871         case LFUN_SCREEN_UP_SELECT:
1872         case LFUN_SCREEN_DOWN_SELECT:
1873         case LFUN_LINE_BEGIN_SELECT:
1874         case LFUN_LINE_END_SELECT:
1875         case LFUN_WORD_FORWARD_SELECT:
1876         case LFUN_WORD_BACKWARD_SELECT:
1877         case LFUN_WORD_SELECT:
1878         case LFUN_PARAGRAPH_UP:
1879         case LFUN_PARAGRAPH_DOWN:
1880         case LFUN_SCREEN_UP:
1881         case LFUN_SCREEN_DOWN:
1882         case LFUN_LINE_BEGIN:
1883         case LFUN_LINE_END:
1884         case LFUN_BREAK_LINE:
1885         case LFUN_CHAR_DELETE_FORWARD:
1886         case LFUN_DELETE_FORWARD_SKIP:
1887         case LFUN_CHAR_DELETE_BACKWARD:
1888         case LFUN_DELETE_BACKWARD_SKIP:
1889         case LFUN_BREAK_PARAGRAPH:
1890         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1891         case LFUN_BREAK_PARAGRAPH_SKIP:
1892         case LFUN_PARAGRAPH_SPACING:
1893         case LFUN_INSET_INSERT:
1894         case LFUN_WORD_UPCASE:
1895         case LFUN_WORD_LOWCASE:
1896         case LFUN_WORD_CAPITALIZE:
1897         case LFUN_CHARS_TRANSPOSE:
1898         case LFUN_SERVER_GET_XY:
1899         case LFUN_SERVER_SET_XY:
1900         case LFUN_SERVER_GET_FONT:
1901         case LFUN_SERVER_GET_LAYOUT:
1902         case LFUN_LAYOUT:
1903         case LFUN_DATE_INSERT:
1904         case LFUN_SELF_INSERT:
1905         case LFUN_LINE_INSERT:
1906         case LFUN_PAGEBREAK_INSERT:
1907         case LFUN_CLEARPAGE_INSERT:
1908         case LFUN_CLEARDOUBLEPAGE_INSERT:
1909         case LFUN_MATH_DISPLAY:
1910         case LFUN_MATH_IMPORT_SELECTION:
1911         case LFUN_MATH_MODE:
1912         case LFUN_MATH_MACRO:
1913         case LFUN_MATH_MATRIX:
1914         case LFUN_MATH_DELIM:
1915         case LFUN_MATH_BIGDELIM:
1916         case LFUN_MATH_SUBSCRIPT:
1917         case LFUN_MATH_SUPERSCRIPT:
1918         case LFUN_FONT_DEFAULT:
1919         case LFUN_FONT_UNDERLINE:
1920         case LFUN_FONT_SIZE:
1921         case LFUN_LANGUAGE:
1922         case LFUN_FONT_FREE_APPLY:
1923         case LFUN_FONT_FREE_UPDATE:
1924         case LFUN_LAYOUT_PARAGRAPH:
1925         case LFUN_PARAGRAPH_UPDATE:
1926         case LFUN_ACCENT_UMLAUT:
1927         case LFUN_ACCENT_CIRCUMFLEX:
1928         case LFUN_ACCENT_GRAVE:
1929         case LFUN_ACCENT_ACUTE:
1930         case LFUN_ACCENT_TILDE:
1931         case LFUN_ACCENT_CEDILLA:
1932         case LFUN_ACCENT_MACRON:
1933         case LFUN_ACCENT_DOT:
1934         case LFUN_ACCENT_UNDERDOT:
1935         case LFUN_ACCENT_UNDERBAR:
1936         case LFUN_ACCENT_CARON:
1937         case LFUN_ACCENT_SPECIAL_CARON:
1938         case LFUN_ACCENT_BREVE:
1939         case LFUN_ACCENT_TIE:
1940         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1941         case LFUN_ACCENT_CIRCLE:
1942         case LFUN_ACCENT_OGONEK:
1943         case LFUN_THESAURUS_ENTRY:
1944         case LFUN_PARAGRAPH_PARAMS_APPLY:
1945         case LFUN_ESCAPE:
1946         case LFUN_BUFFER_END:
1947         case LFUN_BUFFER_BEGIN:
1948         case LFUN_BUFFER_BEGIN_SELECT:
1949         case LFUN_BUFFER_END_SELECT:
1950         case LFUN_UNICODE_INSERT:
1951                 // these are handled in our dispatch()
1952                 enable = true;
1953                 break;
1954
1955         default:
1956                 return false;
1957         }
1958
1959         if (code != InsetBase::NO_CODE
1960             && (cur.empty() || !cur.inset().insetAllowed(code)))
1961                 enable = false;
1962
1963         flag.enabled(enable);
1964         return true;
1965 }
1966
1967
1968 void LyXText::pasteString(LCursor & cur, docstring const & clip,
1969                 bool asParagraphs)
1970 {
1971         cur.clearSelection();
1972         if (!clip.empty()) {
1973                 recordUndo(cur);
1974                 if (asParagraphs)
1975                         insertStringAsParagraphs(cur, clip);
1976                 else
1977                         insertStringAsLines(cur, clip);
1978         }
1979 }
1980
1981 } // namespace lyx