]> git.lyx.org Git - features.git/blob - src/insets/InsetCollapsable.cpp
Fix copy&paste of Insets.
[features.git] / src / insets / InsetCollapsable.cpp
1 /**
2  * \file InsetCollapsable.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author Alejandro Aguilar Sierra
7  * \author Jürgen Vigna
8  * \author Lars Gullik Bjønnes
9  *
10  * Full author contact details are available in file CREDITS.
11  */
12
13 #include <config.h>
14
15 #include "InsetCollapsable.h"
16
17 #include "Buffer.h"
18 #include "BufferParams.h"
19 #include "BufferView.h"
20 #include "Cursor.h"
21 #include "debug.h"
22 #include "DispatchResult.h"
23 #include "FloatList.h"
24 #include "FuncStatus.h"
25 #include "gettext.h"
26 #include "Language.h"
27 #include "LaTeXFeatures.h"
28 #include "Lexer.h"
29 #include "FuncRequest.h"
30 #include "MetricsInfo.h"
31 #include "ParagraphParameters.h"
32
33 #include "frontends/FontMetrics.h"
34 #include "frontends/Painter.h"
35
36
37 namespace lyx {
38
39 using std::endl;
40 using std::max;
41 using std::ostream;
42 using std::string;
43
44
45 InsetCollapsable::CollapseStatus InsetCollapsable::status() const
46 {
47         return autoOpen_ ? Open : status_;
48 }
49
50
51 InsetCollapsable::Geometry InsetCollapsable::geometry() const
52 {
53         switch (decoration()) {
54         case Classic:
55                 if (status() == Open) {
56                         if (openinlined_)
57                                 return LeftButton;
58                         else
59                                 return TopButton;
60                 } else
61                         return ButtonOnly;
62
63         case Minimalistic:
64                 return status() == Open ? NoButton : ButtonOnly ;
65
66         case Conglomerate:
67                 return status() == Open ? SubLabel : Corners ;
68         }
69
70         // dummy return value to shut down a warning,
71         // this is dead code.
72         return NoButton;
73 }
74
75
76 InsetCollapsable::InsetCollapsable
77                 (BufferParams const & bp, CollapseStatus status)
78         : InsetText(bp), status_(status),
79           openinlined_(false), autoOpen_(false), mouse_hover_(false)
80 {
81         setAutoBreakRows(true);
82         setDrawFrame(true);
83         setFrameColor(Color_collapsableframe);
84 }
85
86
87 InsetCollapsable::InsetCollapsable(InsetCollapsable const & rhs)
88         : InsetText(rhs),
89                 button_dim(rhs.button_dim),
90                 topx(rhs.topx),
91                 topbaseline(rhs.topbaseline),
92                 layout_(rhs.layout_),
93                 labelstring_(rhs.labelstring_),
94                 status_(rhs.status_),
95                 openinlined_(rhs.openinlined_),
96                 autoOpen_(rhs.autoOpen_),
97                 // the sole purpose of this copy constructor
98                 mouse_hover_(false)
99 {
100 }
101
102
103 void  InsetCollapsable::setLayout(BufferParams const & bp)
104 {
105         layout_ = &getLayout(bp);
106         labelstring_ = layout_->labelstring;
107
108         setButtonLabel();
109 }
110
111
112 void InsetCollapsable::write(Buffer const & buf, ostream & os) const
113 {
114         os << "status ";
115         switch (status_) {
116         case Open:
117                 os << "open";
118                 break;
119         case Collapsed:
120                 os << "collapsed";
121                 break;
122         }
123         os << "\n";
124         text_.write(buf, os);
125 }
126
127
128 void InsetCollapsable::read(Buffer const & buf, Lexer & lex)
129 {
130         bool token_found = false;
131         if (lex.isOK()) {
132                 lex.next();
133                 string const token = lex.getString();
134                 if (token == "status") {
135                         lex.next();
136                         string const tmp_token = lex.getString();
137
138                         if (tmp_token == "collapsed") {
139                                 status_ = Collapsed;
140                                 token_found = true;
141                         } else if (tmp_token == "open") {
142                                 status_ = Open;
143                                 token_found = true;
144                         } else {
145                                 lyxerr << "InsetCollapsable::read: Missing status!"
146                                        << endl;
147                                 // Take countermeasures
148                                 lex.pushToken(token);
149                         }
150                 } else {
151                         lyxerr << "InsetCollapsable::read: Missing 'status'-tag!"
152                                    << endl;
153                         // take countermeasures
154                         lex.pushToken(token);
155                 }
156         }
157         InsetText::read(buf, lex);
158
159         if (!token_found)
160                 status_ = isOpen() ? Open : Collapsed;
161
162         setLayout(buf.params());
163
164         // Force default font, if so requested
165         // This avoids paragraphs in buffer language that would have a
166         // foreign language after a document language change, and it ensures
167         // that all new text in ERT and similar gets the "latex" language,
168         // since new text inherits the language from the last position of the
169         // existing text.  As a side effect this makes us also robust against
170         // bugs in LyX that might lead to font changes in ERT in .lyx files.
171         resetParagraphsFont();
172 }
173
174
175 Dimension InsetCollapsable::dimensionCollapsed() const
176 {
177         Dimension dim;
178         theFontMetrics(layout_->labelfont).buttonText(
179                 labelstring_, dim.wid, dim.asc, dim.des);
180         return dim;
181 }
182
183
184 void InsetCollapsable::metrics(MetricsInfo & mi, Dimension & dim) const
185 {
186         autoOpen_ = mi.base.bv->cursor().isInside(this);
187
188         FontInfo tmpfont = mi.base.font;
189         mi.base.font = layout_->font;
190         mi.base.font.realize(tmpfont);
191
192         switch (geometry()) {
193         case NoButton:
194                 InsetText::metrics(mi, dim);
195                 break;
196         case Corners:
197                 InsetText::metrics(mi, dim);
198                 dim.des -= 3;
199                 dim.asc -= 1;
200                 break;
201         case SubLabel: {
202                 InsetText::metrics(mi, dim);
203                 // consider width of the inset label
204                 FontInfo font(layout_->labelfont);
205                 font.realize(sane_font);
206                 font.decSize();
207                 font.decSize();
208                 int w = 0;
209                 int a = 0;
210                 int d = 0;
211                 theFontMetrics(font).rectText(labelstring_, w, a, d);
212                 dim.des += a + d;
213                 break;
214                 }
215         case TopButton:
216         case LeftButton:
217         case ButtonOnly:
218                 dim = dimensionCollapsed();
219                 if (geometry() == TopButton
220                  || geometry() == LeftButton) {
221                         Dimension textdim;
222                         InsetText::metrics(mi, textdim);
223                         openinlined_ = (textdim.wid + dim.wid) < mi.base.textwidth;
224                         if (openinlined_) {
225                                 // Correct for button width.
226                                 dim.wid += textdim.wid;
227                                 dim.des = max(dim.des - textdim.asc + dim.asc, textdim.des);
228                                 dim.asc = textdim.asc;
229                         } else {
230                                 dim.des += textdim.height() + TEXT_TO_INSET_OFFSET;
231                                 dim.wid = max(dim.wid, textdim.wid);
232                         }
233                 }
234                 break;
235         }
236
237         mi.base.font = tmpfont;
238 }
239
240
241 bool InsetCollapsable::setMouseHover(bool mouse_hover)
242 {
243         mouse_hover_ = mouse_hover;
244         return true;
245 }
246
247
248 void InsetCollapsable::draw(PainterInfo & pi, int x, int y) const
249 {
250         autoOpen_ = pi.base.bv->cursor().isInside(this);
251         ColorCode const old_color = pi.background_color;
252         pi.background_color = backgroundColor();
253
254         FontInfo tmpfont = pi.base.font;
255         pi.base.font = layout_->font;
256         pi.base.font.realize(tmpfont);
257
258         // Draw button first -- top, left or only
259         Dimension dimc = dimensionCollapsed();
260
261         if (geometry() == TopButton ||
262             geometry() == LeftButton ||
263             geometry() == ButtonOnly) {
264                 button_dim.x1 = x + 0;
265                 button_dim.x2 = x + dimc.width();
266                 button_dim.y1 = y - dimc.asc;
267                 button_dim.y2 = y + dimc.des;
268
269                 pi.pain.buttonText(x, y, labelstring_, layout_->labelfont,
270                         mouse_hover_);
271         } else {
272                 button_dim.x1 = 0;
273                 button_dim.y1 = 0;
274                 button_dim.x2 = 0;
275                 button_dim.y2 = 0;
276         }
277
278         Dimension const textdim = InsetText::dimension(*pi.base.bv);
279         int const baseline = y;
280         int textx, texty;
281         switch (geometry()) {
282         case LeftButton:
283                 textx = x + dimc.width();
284                 texty = baseline;
285                 InsetText::draw(pi, textx, texty);
286                 break;
287         case TopButton:
288                 textx = x;
289                 texty = baseline + dimc.des + textdim.asc;
290                 InsetText::draw(pi, textx, texty);
291                 break;
292         case ButtonOnly:
293                 break;
294         case NoButton:
295                 textx = x;
296                 texty = baseline;
297                 InsetText::draw(pi, textx, texty);
298                 break;
299         case SubLabel:
300         case Corners:
301                 textx = x;
302                 texty = baseline;
303                 const_cast<InsetCollapsable *>(this)->setDrawFrame(false);
304                 InsetText::draw(pi, textx, texty);
305                 const_cast<InsetCollapsable *>(this)->setDrawFrame(true);
306
307                 int desc = textdim.descent();
308                 if (geometry() == Corners)
309                         desc -= 3;
310
311                 const int xx1 = x + TEXT_TO_INSET_OFFSET - 1;
312                 const int xx2 = x + textdim.wid - TEXT_TO_INSET_OFFSET + 1;
313                 pi.pain.line(xx1, y + desc - 4, 
314                              xx1, y + desc, 
315                         layout_->labelfont.color());
316                 if (internalStatus() == Open)
317                         pi.pain.line(xx1, y + desc, 
318                                 xx2, y + desc,
319                                 layout_->labelfont.color());
320                 else {
321                         // Make status_ value visible:
322                         pi.pain.line(xx1, y + desc,
323                                 xx1 + 4, y + desc,
324                                 layout_->labelfont.color());
325                         pi.pain.line(xx2 - 4, y + desc,
326                                 xx2, y + desc,
327                                 layout_->labelfont.color());
328                 }
329                 pi.pain.line(x + textdim.wid - 3, y + desc, x + textdim.wid - 3, y + desc - 4,
330                         layout_->labelfont.color());
331
332                 // the label below the text. Can be toggled.
333                 if (geometry() == SubLabel) {
334                         FontInfo font(layout_->labelfont);
335                         font.realize(sane_font);
336                         font.decSize();
337                         font.decSize();
338                         int w = 0;
339                         int a = 0;
340                         int d = 0;
341                         theFontMetrics(font).rectText(labelstring_, w, a, d);
342                         int const ww = max(textdim.wid, w);
343                         pi.pain.rectText(x + (ww - w) / 2, y + desc + a,
344                                 labelstring_, font, Color_none, Color_none);
345                         desc += d;
346                 }
347
348                 // a visual cue when the cursor is inside the inset
349                 Cursor & cur = pi.base.bv->cursor();
350                 if (cur.isInside(this)) {
351                         y -= textdim.asc;
352                         y += 3;
353                         pi.pain.line(xx1, y + 4, xx1, y, layout_->labelfont.color());
354                         pi.pain.line(xx1 + 4, y, xx1, y, layout_->labelfont.color());
355                         pi.pain.line(xx2, y + 4, xx2, y,
356                                 layout_->labelfont.color());
357                         pi.pain.line(xx2 - 4, y, xx2, y,
358                                 layout_->labelfont.color());
359                 }
360                 break;
361         }
362         pi.background_color = old_color;
363
364         pi.base.font = tmpfont;
365 }
366
367
368 void InsetCollapsable::cursorPos(BufferView const & bv,
369                 CursorSlice const & sl, bool boundary, int & x, int & y) const
370 {
371         if (geometry() == ButtonOnly)
372                 status_ = Open;
373         BOOST_ASSERT(geometry() != ButtonOnly);
374
375         InsetText::cursorPos(bv, sl, boundary, x, y);
376         Dimension const textdim = InsetText::dimension(bv);
377
378         switch (geometry()) {
379         case LeftButton:
380                 x += dimensionCollapsed().wid;
381                 break;
382         case TopButton: {
383                 y += dimensionCollapsed().des + textdim.asc;
384                 break;
385         }
386         case NoButton:
387         case SubLabel:
388         case Corners:
389                 // Do nothing
390                 break;
391         case ButtonOnly:
392                 // Cannot get here
393                 break;
394         }
395 }
396
397
398 Inset::EDITABLE InsetCollapsable::editable() const
399 {
400         return geometry() != ButtonOnly? HIGHLY_EDITABLE : IS_EDITABLE;
401 }
402
403
404 bool InsetCollapsable::descendable() const
405 {
406         return geometry() != ButtonOnly;
407 }
408
409
410 bool InsetCollapsable::hitButton(FuncRequest const & cmd) const
411 {
412         return button_dim.contains(cmd.x, cmd.y);
413 }
414
415
416 docstring const InsetCollapsable::getNewLabel(docstring const & l) const
417 {
418         docstring label;
419         pos_type const max_length = 15;
420         pos_type const p_siz = paragraphs().begin()->size();
421         pos_type const n = std::min(max_length, p_siz);
422         pos_type i = 0;
423         pos_type j = 0;
424         for (; i < n && j < p_siz; ++j) {
425                 if (paragraphs().begin()->isInset(j))
426                         continue;
427                 label += paragraphs().begin()->getChar(j);
428                 ++i;
429         }
430         if (paragraphs().size() > 1 || (i > 0 && j < p_siz)) {
431                 label += "...";
432         }
433         return label.empty() ? l : label;
434 }
435
436
437 void InsetCollapsable::edit(Cursor & cur, bool left)
438 {
439         //lyxerr << "InsetCollapsable: edit left/right" << endl;
440         cur.push(*this);
441         InsetText::edit(cur, left);
442 }
443
444
445 Inset * InsetCollapsable::editXY(Cursor & cur, int x, int y)
446 {
447         //lyxerr << "InsetCollapsable: edit xy" << endl;
448         if (geometry() == ButtonOnly
449          || (button_dim.contains(x, y) 
450           && geometry() != NoButton))
451                 return this;
452         cur.push(*this);
453         return InsetText::editXY(cur, x, y);
454 }
455
456
457 void InsetCollapsable::doDispatch(Cursor & cur, FuncRequest & cmd)
458 {
459         //lyxerr << "InsetCollapsable::doDispatch (begin): cmd: " << cmd
460         //      << " cur: " << cur << " bvcur: " << cur.bv().cursor() << endl;
461
462         switch (cmd.action) {
463         case LFUN_MOUSE_PRESS:
464                 if (cmd.button() == mouse_button::button1 
465                  && hitButton(cmd) 
466                  && geometry() != NoButton) {
467                         // reset selection if necessary (see bug 3060)
468                         if (cur.selection())
469                                 cur.bv().cursor().clearSelection();
470                         else
471                                 cur.noUpdate();
472                         cur.dispatched();
473                         break;
474                 }
475                 if (geometry() == NoButton)
476                         InsetText::doDispatch(cur, cmd);
477                 else if (geometry() != ButtonOnly 
478                      && !hitButton(cmd))
479                         InsetText::doDispatch(cur, cmd);
480                 else
481                         cur.undispatched();
482                 break;
483
484         case LFUN_MOUSE_MOTION:
485         case LFUN_MOUSE_DOUBLE:
486         case LFUN_MOUSE_TRIPLE:
487                 if (geometry() == NoButton)
488                         InsetText::doDispatch(cur, cmd);
489                 else if (geometry() != ButtonOnly
490                      && !hitButton(cmd))
491                         InsetText::doDispatch(cur, cmd);
492                 else
493                         cur.undispatched();
494                 break;
495
496         case LFUN_MOUSE_RELEASE:
497                 if (cmd.button() == mouse_button::button3) {
498                         // There is no button to right click:
499                         if (geometry() == Corners ||
500                             geometry() == SubLabel ||
501                             geometry() == NoButton)  {
502                                 if (internalStatus() == Open)
503                                         setStatus(cur, Collapsed);
504                                 else
505                                         setStatus(cur, Open);
506                                 break;
507                         } else {
508                                 // Open the Inset 
509                                 // configuration dialog
510                                 showInsetDialog(&cur.bv());
511                                 break;
512                         }
513                 }
514
515                 if (geometry() == NoButton) {
516                         // The mouse click has to be within the inset!
517                         InsetText::doDispatch(cur, cmd);
518                         break;
519                 }
520
521                 if (cmd.button() == mouse_button::button1 && hitButton(cmd)) {
522                         // if we are selecting, we do not want to
523                         // toggle the inset.
524                         if (cur.selection())
525                                 break;
526                         // Left button is clicked, the user asks to
527                         // toggle the inset visual state.
528                         cur.dispatched();
529                         cur.updateFlags(Update::Force | Update::FitCursor);
530                         if (geometry() == ButtonOnly) {
531                                 setStatus(cur, Open);
532                                 edit(cur, true);
533                         }
534                         else {
535                                 setStatus(cur, Collapsed);
536                         }
537                         cur.bv().cursor() = cur;
538                         break;
539                 }
540
541                 // The mouse click is within the opened inset.
542                 if (geometry() == TopButton
543                  || geometry() == LeftButton)
544                         InsetText::doDispatch(cur, cmd);
545                 break;
546
547         case LFUN_INSET_TOGGLE:
548                 if (cmd.argument() == "open")
549                         setStatus(cur, Open);
550                 else if (cmd.argument() == "close")
551                         setStatus(cur, Collapsed);
552                 else if (cmd.argument() == "toggle" || cmd.argument().empty())
553                         if (internalStatus() == Open) {
554                                 setStatus(cur, Collapsed);
555                                 if (geometry() == ButtonOnly)
556                                         cur.top().forwardPos();
557                         } else
558                                 setStatus(cur, Open);
559                 else // if assign or anything else
560                         cur.undispatched();
561                 cur.dispatched();
562                 break;
563
564         case LFUN_PASTE:
565         case LFUN_CLIPBOARD_PASTE:
566         case LFUN_PRIMARY_SELECTION_PASTE: {
567                 InsetText::doDispatch(cur, cmd);
568                 // Since we can only store plain text, we must reset all
569                 // attributes.
570                 // FIXME: Change only the pasted paragraphs
571
572                 resetParagraphsFont();
573                 break;
574         }
575
576         default:
577                 if (layout_->forceltr) {
578                         // Force any new text to latex_language
579                         // FIXME: This should only be necessary in constructor, but
580                         // new paragraphs that are created by pressing enter at the
581                         // start of an existing paragraph get the buffer language
582                         // and not latex_language, so we take this brute force
583                         // approach.
584                         cur.current_font.setLanguage(latex_language);
585                         cur.real_current_font.setLanguage(latex_language);
586                 }
587                 InsetText::doDispatch(cur, cmd);
588                 break;
589         }
590 }
591
592
593 bool InsetCollapsable::allowMultiPar() const
594 {
595         return layout_->multipar;
596 }
597
598
599 void InsetCollapsable::resetParagraphsFont()
600 {
601         Font font;
602         font.fontInfo() = sane_font;
603         if (layout_->forceltr)
604                 font.setLanguage(latex_language);
605         if (layout_->passthru) {
606                 ParagraphList::iterator par = paragraphs().begin();
607                 ParagraphList::iterator const end = paragraphs().end();
608                 while (par != end) {
609                         par->resetFonts(font);
610                         par->params().clear();
611                         ++par;
612                 }
613         }
614 }
615
616
617 bool InsetCollapsable::getStatus(Cursor & cur, FuncRequest const & cmd,
618                 FuncStatus & flag) const
619 {
620         switch (cmd.action) {
621         // suppress these
622         case LFUN_ACCENT_ACUTE:
623         case LFUN_ACCENT_BREVE:
624         case LFUN_ACCENT_CARON:
625         case LFUN_ACCENT_CEDILLA:
626         case LFUN_ACCENT_CIRCLE:
627         case LFUN_ACCENT_CIRCUMFLEX:
628         case LFUN_ACCENT_DOT:
629         case LFUN_ACCENT_GRAVE:
630         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
631         case LFUN_ACCENT_MACRON:
632         case LFUN_ACCENT_OGONEK:
633         case LFUN_ACCENT_SPECIAL_CARON:
634         case LFUN_ACCENT_TIE:
635         case LFUN_ACCENT_TILDE:
636         case LFUN_ACCENT_UMLAUT:
637         case LFUN_ACCENT_UNDERBAR:
638         case LFUN_ACCENT_UNDERDOT:
639         case LFUN_APPENDIX:
640         case LFUN_BIBITEM_INSERT:
641         case LFUN_BOX_INSERT:
642         case LFUN_BRANCH_INSERT:
643         case LFUN_BREAK_LINE:
644         case LFUN_CAPTION_INSERT:
645         case LFUN_CLEARPAGE_INSERT:
646         case LFUN_CLEARDOUBLEPAGE_INSERT:
647         case LFUN_DEPTH_DECREMENT:
648         case LFUN_DEPTH_INCREMENT:
649         case LFUN_DOTS_INSERT:
650         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
651         case LFUN_ENVIRONMENT_INSERT:
652         case LFUN_ERT_INSERT:
653         case LFUN_FILE_INSERT:
654         case LFUN_FLEX_INSERT:
655         case LFUN_FLOAT_INSERT:
656         case LFUN_FLOAT_LIST:
657         case LFUN_FLOAT_WIDE_INSERT:
658         case LFUN_FONT_BOLD:
659         case LFUN_FONT_TYPEWRITER:
660         case LFUN_FONT_DEFAULT:
661         case LFUN_FONT_EMPH:
662         case LFUN_FONT_FREE_APPLY:
663         case LFUN_FONT_FREE_UPDATE:
664         case LFUN_FONT_NOUN:
665         case LFUN_FONT_ROMAN:
666         case LFUN_FONT_SANS:
667         case LFUN_FONT_FRAK:
668         case LFUN_FONT_ITAL:
669         case LFUN_FONT_SIZE:
670         case LFUN_FONT_STATE:
671         case LFUN_FONT_UNDERLINE:
672         case LFUN_FOOTNOTE_INSERT:
673         case LFUN_HFILL_INSERT:
674         case LFUN_HYPERLINK_INSERT:
675         case LFUN_HYPHENATION_POINT_INSERT:
676         case LFUN_INDEX_INSERT:
677         case LFUN_INDEX_PRINT:
678         case LFUN_INSET_INSERT:
679         case LFUN_LABEL_GOTO:
680         case LFUN_LABEL_INSERT:
681         case LFUN_LIGATURE_BREAK_INSERT:
682         case LFUN_LINE_INSERT:
683         case LFUN_PAGEBREAK_INSERT:
684         case LFUN_LAYOUT:
685         case LFUN_LAYOUT_PARAGRAPH:
686         case LFUN_LAYOUT_TABULAR:
687         case LFUN_MARGINALNOTE_INSERT:
688         case LFUN_MATH_DISPLAY:
689         case LFUN_MATH_INSERT:
690         case LFUN_MATH_MATRIX:
691         case LFUN_MATH_MODE:
692         case LFUN_MENU_OPEN:
693         case LFUN_MENU_SEPARATOR_INSERT:
694         case LFUN_NOACTION:
695         case LFUN_NOMENCL_INSERT:
696         case LFUN_NOMENCL_PRINT:
697         case LFUN_NOTE_INSERT:
698         case LFUN_NOTE_NEXT:
699         case LFUN_OPTIONAL_INSERT:
700         case LFUN_PARAGRAPH_PARAMS:
701         case LFUN_PARAGRAPH_PARAMS_APPLY:
702         case LFUN_PARAGRAPH_SPACING:
703         case LFUN_PARAGRAPH_UPDATE:
704         case LFUN_REFERENCE_NEXT:
705         case LFUN_SERVER_GOTO_FILE_ROW:
706         case LFUN_SERVER_NOTIFY:
707         case LFUN_SERVER_SET_XY:
708         case LFUN_SPACE_INSERT:
709         case LFUN_TABULAR_INSERT:
710         case LFUN_TOC_INSERT:
711         case LFUN_WRAP_INSERT:
712         if (layout_->passthru) {
713                 flag.enabled(false);
714                 return true;
715         } else
716                 return InsetText::getStatus(cur, cmd, flag);
717
718         case LFUN_INSET_TOGGLE:
719                 if (cmd.argument() == "open" || cmd.argument() == "close" ||
720                     cmd.argument() == "toggle")
721                         flag.enabled(true);
722                 else
723                         flag.enabled(false);
724                 return true;
725
726         case LFUN_LANGUAGE:
727                 flag.enabled(!layout_->forceltr);
728                 return InsetText::getStatus(cur, cmd, flag);
729
730         case LFUN_BREAK_PARAGRAPH:
731         case LFUN_BREAK_PARAGRAPH_SKIP:
732                 flag.enabled(layout_->multipar);
733                 return true;
734
735         default:
736                 return InsetText::getStatus(cur, cmd, flag);
737         }
738 }
739
740
741 void InsetCollapsable::setLabel(docstring const & l)
742 {
743         labelstring_ = l;
744 }
745
746
747 void InsetCollapsable::setStatus(Cursor & cur, CollapseStatus status)
748 {
749         status_ = status;
750         setButtonLabel();
751         if (status_ == Collapsed)
752                 cur.leaveInset(*this);
753 }
754
755
756 docstring InsetCollapsable::floatName(string const & type, BufferParams const & bp) const
757 {
758         FloatList const & floats = bp.getTextClass().floats();
759         FloatList::const_iterator it = floats[type];
760         // FIXME UNICODE
761         return (it == floats.end()) ? from_ascii(type) : bp.B_(it->second.name());
762 }
763
764
765 InsetCollapsable::Decoration InsetCollapsable::decoration() const
766 {
767         if (layout_->decoration == "classic")
768                 return Classic;
769         if (layout_->decoration == "minimalistic")
770                 return Minimalistic;
771         if (layout_->decoration == "conglomerate")
772                 return Conglomerate;
773         if (name() == from_ascii("Flex"))
774                 return Conglomerate;
775         return Classic;
776 }
777
778
779 int InsetCollapsable::latex(Buffer const & buf, odocstream & os,
780                           OutputParams const & runparams) const
781 {
782         // This implements the standard way of handling the LaTeX output of
783         // a collapsable inset, either a command or an environment. Standard 
784         // collapsable insets should not redefine this, non-standard ones may
785         // call this.
786         if (!layout_->latexname.empty()) {
787                 if (layout_->latextype == "command") {
788                         // FIXME UNICODE
789                         if (runparams.moving_arg)
790                                 os << "\\protect";
791                         os << '\\' << from_utf8(layout_->latexname);
792                         if (!layout_->latexparam.empty())
793                                 os << from_utf8(layout_->latexparam);
794                         os << '{';
795                 } else if (layout_->latextype == "environment") {
796                         os << "%\n\\begin{" << from_utf8(layout_->latexname) << "}\n";
797                         if (!layout_->latexparam.empty())
798                                 os << from_utf8(layout_->latexparam);
799                 }
800         }
801         OutputParams rp = runparams;
802         if (layout_->passthru)
803                 rp.verbatim = true;
804         if (layout_->needprotect)
805                 rp.moving_arg = true;
806         int i = InsetText::latex(buf, os, rp);
807         if (!layout_->latexname.empty()) {
808                 if (layout_->latextype == "command") {
809                         os << "}";
810                 } else if (layout_->latextype == "environment") {
811                         os << "\n\\end{" << from_utf8(layout_->latexname) << "}\n";
812                         i += 4;
813                 }
814         }
815         return i;
816 }
817
818
819 void InsetCollapsable::validate(LaTeXFeatures & features) const
820 {
821         // Force inclusion of preamble snippet in layout file
822         features.require(layout_->name);
823         InsetText::validate(features);
824 }
825
826
827 } // namespace lyx