]> git.lyx.org Git - lyx.git/blob - src/insets/InsetCaption.cpp
Rename LATEX debug level to OUTFILE and use it for DocBook, HTML, and XML messages.
[lyx.git] / src / insets / InsetCaption.cpp
1 /**
2  * \file InsetCaption.cpp
3  * This file is part of LyX, the document processor.
4  * Licence details can be found in the file COPYING.
5  *
6  * \author Lars Gullik Bjønnes
7  *
8  * Full author contact details are available in file CREDITS.
9  */
10
11 #include <config.h>
12
13 #include "InsetCaption.h"
14 #include "InsetFloat.h"
15 #include "InsetWrap.h"
16
17 #include "Buffer.h"
18 #include "BufferParams.h"
19 #include "BufferView.h"
20 #include "Cursor.h"
21 #include "Dimension.h"
22 #include "Floating.h"
23 #include "FloatList.h"
24 #include "FuncRequest.h"
25 #include "FuncStatus.h"
26 #include "InsetList.h"
27 #include "Language.h"
28 #include "LyXRC.h"
29 #include "MetricsInfo.h"
30 #include "xml.h"
31 #include "output_latex.h"
32 #include "output_xhtml.h"
33 #include "Paragraph.h"
34 #include "ParIterator.h"
35 #include "TexRow.h"
36 #include "texstream.h"
37 #include "TextClass.h"
38 #include "TextMetrics.h"
39 #include "TocBackend.h"
40
41 #include "frontends/FontMetrics.h"
42 #include "frontends/Painter.h"
43
44 #include "support/gettext.h"
45 #include "support/lstrings.h"
46
47 #include <sstream>
48
49 using namespace std;
50 using namespace lyx::support;
51
52 namespace lyx {
53
54
55 InsetCaption::InsetCaption(Buffer * buf, string const & type)
56     : InsetText(buf, InsetText::PlainLayout), type_(type)
57 {
58         setDrawFrame(true);
59         setFrameColor(Color_collapsibleframe);
60 }
61
62
63 void InsetCaption::write(ostream & os) const
64 {
65         os << "Caption";
66         if (!type_.empty())
67                 os << ' ' << type_;
68         os << '\n';
69         text().write(os);
70 }
71
72
73 docstring InsetCaption::layoutName() const
74 {
75         if (type_.empty())
76                 return from_ascii("Caption");
77         return from_utf8("Caption:" + type_);
78 }
79
80
81 void InsetCaption::cursorPos(BufferView const & bv,
82                 CursorSlice const & sl, bool boundary, int & x, int & y) const
83 {
84         InsetText::cursorPos(bv, sl, boundary, x, y);
85         if (!rtl_)
86                 x += labelwidth_;
87 }
88
89
90 void InsetCaption::addToToc(DocIterator const & cpit, bool output_active,
91                                                         UpdateType utype, TocBackend & backend) const
92 {
93         string const & type = floattype_.empty() ? "senseless" : floattype_;
94         DocIterator pit = cpit;
95         pit.push_back(CursorSlice(const_cast<InsetCaption &>(*this)));
96         int length = (utype == OutputUpdate) ?
97                 // For output (e.g. xhtml) all (bug #8603) or nothing
98                 (output_active ? INT_MAX : 0) :
99                 // TOC for LyX interface
100                 TOC_ENTRY_LENGTH;
101         docstring str;
102         if (length > 0) {
103                 str = full_label_;
104                 text().forOutliner(str, length);
105         }
106         backend.builder(type).captionItem(pit, str, output_active);
107         // Proceed with the rest of the inset.
108         InsetText::addToToc(cpit, output_active, utype, backend);
109 }
110
111
112 void InsetCaption::metrics(MetricsInfo & mi, Dimension & dim) const
113 {
114         labelwidth_ = theFontMetrics(mi.base.font).width(full_label_);
115         // add some space to separate the label from the inset text
116         labelwidth_ += leftOffset(mi.base.bv) + rightOffset(mi.base.bv);
117         dim.wid = labelwidth_;
118         Dimension textdim;
119         // Correct for button and label width
120         mi.base.textwidth -= dim.wid;
121         InsetText::metrics(mi, textdim);
122         mi.base.textwidth += dim.wid;
123         dim.des = max(dim.des - textdim.asc + dim.asc, textdim.des);
124         dim.asc = textdim.asc;
125         dim.wid += textdim.wid;
126 }
127
128
129 void InsetCaption::drawBackground(PainterInfo & pi, int x, int y) const
130 {
131         TextMetrics & tm = pi.base.bv->textMetrics(&text());
132         int const h = tm.height() + topOffset(pi.base.bv) + bottomOffset(pi.base.bv);
133         int const yy = y - topOffset(pi.base.bv) - tm.ascent();
134         if (rtl_)
135                 x+= + dimension(*pi.base.bv).wid - labelwidth_;
136         pi.pain.fillRectangle(x, yy, labelwidth_, h, pi.backgroundColor(this));
137 }
138
139
140 void InsetCaption::draw(PainterInfo & pi, int x, int y) const
141 {
142         // We must draw the label, we should get the label string
143         // from the enclosing float inset.
144         // The question is: Who should draw the label, the caption inset,
145         // the text inset or the paragraph?
146         // We should also draw the float number (Lgb)
147
148         // Answer: the text inset (in buffer_funcs.cpp: setCaption).
149
150         rtl_ = !pi.ltr_pos;
151         FontInfo tmpfont = pi.base.font;
152         pi.base.font.setColor(pi.textColor(pi.base.font.color()).baseColor);
153         if (is_deleted_)
154                 pi.base.font.setStrikeout(FONT_ON);
155         else if (isChanged() && lyxrc.ct_additions_underlined)
156                 pi.base.font.setUnderbar(FONT_ON);
157         int const lo = leftOffset(pi.base.bv);
158         if (rtl_) {
159                 InsetText::draw(pi, x, y);
160                 pi.pain.text(x + dimension(*pi.base.bv).wid - labelwidth_ + lo,
161                              y, full_label_, pi.base.font);
162         } else {
163                 pi.pain.text(x + lo, y, full_label_, pi.base.font);
164                 InsetText::draw(pi, x + labelwidth_, y);
165         }
166         pi.base.font = tmpfont;
167 }
168
169
170 void InsetCaption::edit(Cursor & cur, bool front, EntryDirection entry_from)
171 {
172         cur.push(*this);
173         InsetText::edit(cur, front, entry_from);
174 }
175
176
177 Inset * InsetCaption::editXY(Cursor & cur, int x, int y)
178 {
179         cur.push(*this);
180         return InsetText::editXY(cur, x, y);
181 }
182
183
184 bool InsetCaption::insetAllowed(InsetCode code) const
185 {
186         switch (code) {
187         // code that is not allowed in a caption
188         case CAPTION_CODE:
189         case FLOAT_CODE:
190         case FOOT_CODE:
191         case NEWPAGE_CODE:
192         case MARGIN_CODE:
193         case MATHMACRO_CODE:
194         case TABULAR_CODE:
195         case WRAP_CODE:
196                 return false;
197         default:
198                 return InsetText::insetAllowed(code);
199         }
200 }
201
202
203 void InsetCaption::doDispatch(Cursor & cur, FuncRequest & cmd)
204 {
205         switch (cmd.action()) {
206
207         case LFUN_INSET_MODIFY: {
208                 if (cmd.getArg(0) == "changetype") {
209                         cur.recordUndoInset(this);
210                         type_ = cmd.getArg(1);
211                         cur.forceBufferUpdate();
212                         break;
213                 }
214         }
215         // no "changetype":
216         // fall through
217
218         default:
219                 InsetText::doDispatch(cur, cmd);
220                 break;
221         }
222 }
223
224
225 bool InsetCaption::getStatus(Cursor & cur, FuncRequest const & cmd,
226         FuncStatus & status) const
227 {
228         switch (cmd.action()) {
229
230         case LFUN_INSET_MODIFY: {
231                 string const first_arg = cmd.getArg(0);
232                 if (first_arg == "changetype") {
233                         string const type = cmd.getArg(1);
234                         status.setOnOff(type == type_);
235                         bool varia = type != "Unnumbered";
236                         // check if the immediate parent inset allows caption variation
237                         if (cur.depth() > 1) {
238                                 varia = cur[cur.depth() - 2].inset().allowsCaptionVariation(type);
239                         }
240                         status.setEnabled(!is_subfloat_ && varia
241                                           && buffer().params().documentClass().hasInsetLayout(
242                                                 from_ascii("Caption:" + type)));
243                         return true;
244                 }
245                 return InsetText::getStatus(cur, cmd, status);
246         }
247
248         case LFUN_INSET_TOGGLE:
249                 // pass back to owner
250                 cur.undispatched();
251                 return false;
252
253         default:
254                 return InsetText::getStatus(cur, cmd, status);
255         }
256 }
257
258
259 void InsetCaption::latex(otexstream & os,
260                          OutputParams const & runparams_in) const
261 {
262         if (runparams_in.inFloat == OutputParams::SUBFLOAT)
263                 // caption is output as an optional argument
264                 return;
265         // This is a bit too simplistic to take advantage of
266         // caption options we must add more later. (Lgb)
267         // This code is currently only able to handle the simple
268         // \caption{...}, later we will make it take advantage
269         // of the one of the caption packages. (Lgb)
270         OutputParams runparams = runparams_in;
271         // Some fragile commands (labels, index entries)
272         // are output after the caption (#2154)
273         runparams.postpone_fragile_stuff = buffer().masterParams().postpone_fragile_content;
274         InsetText::latex(os, runparams);
275         if (!runparams.post_macro.empty()) {
276                 // Output the stored fragile commands (labels, indices etc.)
277                 // that need to be output after the caption.
278                 os << runparams.post_macro;
279                 runparams.post_macro.clear();
280         }
281         // Backwards compatibility: We always had a linebreak after
282         // the caption (see #8514)
283         os << breakln;
284         runparams_in.encoding = runparams.encoding;
285 }
286
287
288 int InsetCaption::plaintext(odocstringstream & os,
289                             OutputParams const & runparams, size_t max_length) const
290 {
291         os << '[' << full_label_ << "\n";
292         InsetText::plaintext(os, runparams, max_length);
293         os << "\n]";
294
295         return PLAINTEXT_NEWLINE + 1; // one char on a separate line
296 }
297
298
299 void InsetCaption::docbook(XMLStream &, OutputParams const &) const
300 {
301         // This function should never be called (rather InsetFloat::docbook, the titles should be skipped in floats).
302 }
303
304
305 docstring InsetCaption::xhtml(XMLStream & xs, OutputParams const & rp) const
306 {
307         if (rp.html_disable_captions)
308                 return docstring();
309         InsetLayout const & il = getLayout();
310         string const & tag = il.htmltag();
311         string attr = il.htmlattr();
312         if (!type_.empty()) {
313                 string const our_class = "float-caption-" + type_;
314                 size_t const loc = attr.find("class='");
315                 if (loc != string::npos)
316                         attr.insert(loc + 7, our_class + " ");
317                 else
318                         attr = attr + " class='" + our_class + "'";
319         }
320         xs << xml::StartTag(tag, attr);
321         docstring def = getCaptionAsHTML(xs, rp);
322         xs << xml::EndTag(tag);
323         return def;
324 }
325
326
327 void InsetCaption::getArgument(otexstream & os,
328                         OutputParams const & runparams) const
329 {
330         InsetLayout const & il = getLayout();
331
332         if (!il.leftdelim().empty())
333                 os << il.leftdelim();
334
335         OutputParams rp = runparams;
336         if (isPassThru())
337                 rp.pass_thru = true;
338         if (il.isNeedProtect())
339                 rp.moving_arg = true;
340         if (il.isNeedMBoxProtect())
341                 ++rp.inulemcmd;
342         rp.par_begin = 0;
343         rp.par_end = paragraphs().size();
344
345         // Output the contents of the inset
346         if (!paragraphs().empty())
347                 os.texrow().forceStart(paragraphs()[0].id(), 0);
348         latexParagraphs(buffer(), text(), os, rp);
349         runparams.encoding = rp.encoding;
350
351         if (!il.rightdelim().empty())
352                 os << il.rightdelim();
353 }
354
355
356 int InsetCaption::getCaptionAsPlaintext(odocstream & os,
357                         OutputParams const & runparams) const
358 {
359         os << full_label_ << ' ';
360         odocstringstream ods;
361         int const retval = InsetText::plaintext(ods, runparams);
362         os << ods.str();
363         return retval;
364 }
365
366
367 void InsetCaption::getCaptionAsDocBook(XMLStream & xs,
368                                                                                  OutputParams const & runparams) const
369 {
370         if (runparams.docbook_in_float)
371                 return;
372
373         // Ignore full_label_, as the DocBook processor will deal with the numbering.
374         InsetText::XHTMLOptions opts = InsetText::WriteInnerTag;
375         InsetText::docbook(xs, runparams, opts);
376 }
377
378
379 docstring InsetCaption::getCaptionAsHTML(XMLStream & xs,
380                         OutputParams const & runparams) const
381 {
382         xs << full_label_ << ' ';
383         InsetText::XHTMLOptions const opts =
384                 InsetText::WriteLabel | InsetText::WriteInnerTag;
385         return InsetText::insetAsXHTML(xs, runparams, opts);
386 }
387
388
389 void InsetCaption::updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted)
390 {
391         Buffer const & master = *buffer().masterBuffer();
392         DocumentClass const & tclass = master.params().documentClass();
393         string const & lang = it.paragraph().getParLanguage(master.params())->code();
394         Counters & cnts = tclass.counters();
395         string const & type = cnts.current_float();
396         if (utype == OutputUpdate) {
397                 // counters are local to the caption
398                 cnts.saveLastCounter();
399         }
400         is_deleted_ = deleted;
401         // Memorize type for addToToc().
402         floattype_ = type;
403         if (type.empty() || type == "senseless")
404                 full_label_ = master.B_("Senseless!!! ");
405         else {
406                 // FIXME: life would be _much_ simpler if listings was
407                 // listed in Floating.
408                 docstring name;
409                 if (type == "listing")
410                         name = master.B_("Listing");
411                 else
412                         name = master.B_(tclass.floats().getType(type).name());
413                 docstring counter = from_utf8(type);
414                 is_subfloat_ = cnts.isSubfloat();
415                 if (is_subfloat_) {
416                         // only standard captions allowed in subfloats
417                         type_ = "Standard";
418                         counter = "sub-" + from_utf8(type);
419                         name = bformat(_("Sub-%1$s"),
420                                        master.B_(tclass.floats().getType(type).name()));
421                 }
422                 docstring sec;
423                 docstring const lstring = getLayout().labelstring();
424                 docstring const labelstring = isAscii(lstring) ?
425                                 master.B_(to_ascii(lstring)) : lstring;
426                 if (cnts.hasCounter(counter)) {
427                         int val = cnts.value(counter);
428                         // for longtables, we step the counter upstream
429                         if (!cnts.isLongtable())
430                                 cnts.step(counter, utype);
431                         sec = cnts.theCounter(counter, lang);
432                         if (deleted && !cnts.isLongtable())
433                                 // un-step after deleted counter
434                                 cnts.set(counter, val);
435                 }
436                 if (labelstring != master.B_("standard")) {
437                         if (!sec.empty())
438                                 sec += from_ascii(" ");
439                         sec += bformat(from_ascii("(%1$s)"), labelstring);
440                 }
441                 if (sec.empty())
442                         sec = from_ascii("#");
443                 full_label_ = bformat(master.B_("%1$s %2$s: [[Caption label (ex. Figure 1: )]]"), name, sec);
444         }
445
446         // Do the real work now.
447         InsetText::updateBuffer(it, utype, deleted);
448         if (utype == OutputUpdate)
449                 cnts.restoreLastCounter();
450 }
451
452
453 string InsetCaption::contextMenuName() const
454 {
455         return "context-caption";
456 }
457
458
459 } // namespace lyx