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 "Counters.h"
  21 #include "Cursor.h"
  22 #include "Dimension.h"
  23 #include "Floating.h"
  24 #include "FloatList.h"
  25 #include "FuncRequest.h"
  26 #include "FuncStatus.h"
  27 #include "InsetList.h"
  28 #include "MetricsInfo.h"
  29 #include "output_latex.h"
  30 #include "OutputParams.h"
  31 #include "Paragraph.h"
  32 #include "paragraph_funcs.h"
  33 #include "TextClass.h"
  34 #include "TocBackend.h"
  35
  36 #include "frontends/FontMetrics.h"
  37 #include "frontends/Painter.h"
  38
  39 #include "support/gettext.h"
  40 #include "support/lstrings.h"
  41
  42 #include <sstream>
  43
  44 using namespace std;
  45 using namespace lyx::support;
  46
  47 namespace lyx {
  48
  49
  50 InsetCaption::InsetCaption(Buffer const & buf)
  51         : InsetText(buf, InsetText::PlainLayout)
  52 {
  53         setAutoBreakRows(true);
  54         setDrawFrame(true);
  55         setFrameColor(Color_captionframe);
  56 }
  57
  58
  59 void InsetCaption::write(ostream & os) const
  60 {
  61         os << "Caption\n";
  62         text().write(buffer(), os);
  63 }
  64
  65
  66 void InsetCaption::read(Lexer & lex)
  67 {
  68 #if 0
  69         // We will enably this check again when the compability
  70         // code is removed from Buffer::Read (Lgb)
  71         lex.setContext("InsetCaption::Read: consistency check");
  72         lex >> "Caption";
  73 #endif
  74         InsetText::read(lex);
  75 }
  76
  77
  78 docstring InsetCaption::editMessage() const
  79 {
  80         return _("Opened Caption Inset");
  81 }
  82
  83
  84 void InsetCaption::cursorPos(BufferView const & bv,
  85                 CursorSlice const & sl, bool boundary, int & x, int & y) const
  86 {
  87         InsetText::cursorPos(bv, sl, boundary, x, y);
  88         x += labelwidth_;
  89 }
  90
  91
  92 void InsetCaption::setCustomLabel(docstring const & label)
  93 {
  94         if (!isAscii(label) || label.empty())
  95                 // This must be a user defined layout. We cannot translate
  96                 // this, since gettext accepts only ascii keys.
  97                 custom_label_ = label;
  98         else
  99                 custom_label_ = _(to_ascii(label));
 100 }
 101
 102
 103 void InsetCaption::addToToc(DocIterator const & cpit)
 104 {
 105         if (type_.empty())
 106                 return;
 107
 108         DocIterator pit = cpit;
 109         pit.push_back(CursorSlice(*this));
 110
 111         Toc & toc = buffer().tocBackend().toc(type_);
 112         docstring const str = full_label_ + ". " + text().getPar(0).asString();
 113         toc.push_back(TocItem(pit, 0, str));
 114
 115         // Proceed with the rest of the inset.
 116         InsetText::addToToc(cpit);
 117 }
 118
 119
 120 void InsetCaption::metrics(MetricsInfo & mi, Dimension & dim) const
 121 {
 122         FontInfo tmpfont = mi.base.font;
 123         mi.base.font = mi.base.bv->buffer().params().getFont().fontInfo();
 124         labelwidth_ = theFontMetrics(mi.base.font).width(full_label_);
 125         // add some space to separate the label from the inset text
 126         labelwidth_ += 2 * TEXT_TO_INSET_OFFSET;
 127         dim.wid = labelwidth_;
 128         Dimension textdim;
 129         // Correct for button and label width
 130         mi.base.textwidth -= dim.wid;
 131         InsetText::metrics(mi, textdim);
 132         mi.base.font = tmpfont;
 133         mi.base.textwidth += dim.wid;
 134         dim.des = max(dim.des - textdim.asc + dim.asc, textdim.des);
 135         dim.asc = textdim.asc;
 136         dim.wid += textdim.wid;
 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         FontInfo tmpfont = pi.base.font;
 151         pi.base.font = pi.base.bv->buffer().params().getFont().fontInfo();
 152         pi.pain.text(x, y, full_label_, pi.base.font);
 153         InsetText::draw(pi, x + labelwidth_, y);
 154         pi.base.font = tmpfont;
 155 }
 156
 157
 158 void InsetCaption::edit(Cursor & cur, bool front, EntryDirection entry_from)
 159 {
 160         cur.push(*this);
 161         InsetText::edit(cur, front, entry_from);
 162 }
 163
 164
 165 Inset * InsetCaption::editXY(Cursor & cur, int x, int y)
 166 {
 167         cur.push(*this);
 168         return InsetText::editXY(cur, x, y);
 169 }
 170
 171
 172 bool InsetCaption::insetAllowed(InsetCode code) const
 173 {
 174         switch (code) {
 175         case FLOAT_CODE:
 176         case TABULAR_CODE:
 177         case WRAP_CODE:
 178         case CAPTION_CODE:
 179         case NEWPAGE_CODE:
 180         case MATHMACRO_CODE:
 181                 return false;
 182         default:
 183                 return InsetText::insetAllowed(code);
 184         }
 185 }
 186
 187
 188 bool InsetCaption::getStatus(Cursor & cur, FuncRequest const & cmd,
 189         FuncStatus & status) const
 190 {
 191         switch (cmd.action) {
 192
 193         case LFUN_BREAK_PARAGRAPH:
 194                 status.setEnabled(false);
 195                 return true;
 196
 197         case LFUN_OPTIONAL_INSERT:
 198                 status.setEnabled(cur.paragraph().insetList().find(OPTARG_CODE) == -1);
 199                 return true;
 200
 201         case LFUN_INSET_TOGGLE:
 202                 // pass back to owner
 203                 cur.undispatched();
 204                 return false;
 205
 206         default:
 207                 return InsetText::getStatus(cur, cmd, status);
 208         }
 209 }
 210
 211
 212 int InsetCaption::latex(odocstream & os,
 213                         OutputParams const & runparams_in) const
 214 {
 215         if (runparams_in.inFloat == OutputParams::SUBFLOAT)
 216                 // caption is output as an optional argument
 217                 return 0;
 218         // This is a bit too simplistic to take advantage of
 219         // caption options we must add more later. (Lgb)
 220         // This code is currently only able to handle the simple
 221         // \caption{...}, later we will make it take advantage
 222         // of the one of the caption packages. (Lgb)
 223         OutputParams runparams = runparams_in;
 224         // FIXME: actually, it is moving only when there is no
 225         // optional argument.
 226         runparams.moving_arg = true;
 227         os << "\\caption";
 228         int l = latexOptArgInsets(paragraphs()[0], os, runparams, 1);
 229         os << '{';
 230         l += InsetText::latex(os, runparams);
 231         os << "}\n";
 232         runparams_in.encoding = runparams.encoding;
 233         return l + 1;
 234 }
 235
 236
 237 int InsetCaption::plaintext(odocstream & os,
 238                             OutputParams const & runparams) const
 239 {
 240         os << '[' << full_label_ << "\n";
 241         InsetText::plaintext(os, runparams);
 242         os << "\n]";
 243
 244         return PLAINTEXT_NEWLINE + 1; // one char on a separate line
 245 }
 246
 247
 248 int InsetCaption::docbook(odocstream & os,
 249                           OutputParams const & runparams) const
 250 {
 251         int ret;
 252         os << "<title>";
 253         ret = InsetText::docbook(os, runparams);
 254         os << "</title>\n";
 255         return ret;
 256 }
 257
 258
 259 docstring InsetCaption::xhtml(odocstream & os,
 260                           OutputParams const & rp) const
 261 {
 262         if (rp.disable_captions)
 263                 return docstring();
 264         os << "<div class='float-caption'>\n";
 265         docstring def = getCaptionAsHTML(os, rp);
 266         os << "</div>\n";
 267         return def;
 268 }
 269
 270 int InsetCaption::getArgument(odocstream & os,
 271                         OutputParams const & runparams) const
 272 {
 273         return InsetText::latex(os, runparams);
 274 }
 275
 276
 277 int InsetCaption::getOptArg(odocstream & os,
 278                         OutputParams const & runparams) const
 279 {
 280         return latexOptArgInsets(paragraphs()[0], os, runparams, 1);
 281 }
 282
 283
 284 int InsetCaption::getCaptionAsPlaintext(odocstream & os,
 285                         OutputParams const & runparams) const
 286 {
 287         os << full_label_ << ' ';
 288         return InsetText::plaintext(os, runparams);
 289 }
 290
 291
 292 docstring InsetCaption::getCaptionAsHTML(odocstream & os,
 293                         OutputParams const & runparams) const
 294 {
 295         os << full_label_ << ' ';
 296         return InsetText::xhtml(os, runparams);
 297 }
 298
 299
 300 void InsetCaption::updateLabels(ParIterator const & it)
 301 {
 302         Buffer const & master = *buffer().masterBuffer();
 303         DocumentClass const & tclass = master.params().documentClass();
 304         Counters & cnts = tclass.counters();
 305         string const & type = cnts.current_float();
 306         // Memorize type for addToToc().
 307         type_ = type;
 308         if (type.empty())
 309                 full_label_ = master.B_("Senseless!!! ");
 310         else {
 311                 // FIXME: life would be _much_ simpler if listings was
 312                 // listed in Floating.
 313                 docstring name;
 314                 if (type == "listing")
 315                         name = master.B_("Listing");
 316                 else
 317                         name = master.B_(tclass.floats().getType(type).name());
 318                 docstring counter = from_utf8(type);
 319                 if (cnts.isSubfloat()) {
 320                         counter = "sub-" + from_utf8(type);
 321                         name = bformat(_("Sub-%1$s"),
 322                                        master.B_(tclass.floats().getType(type).name()));
 323                 }
 324                 if (cnts.hasCounter(counter)) {
 325                         cnts.step(counter);
 326                         full_label_ = bformat(from_ascii("%1$s %2$s:"),
 327                                               name,
 328                                               cnts.theCounter(counter));
 329                 } else
 330                         full_label_ = bformat(from_ascii("%1$s #:"), name);
 331         }
 332
 333         // Do the real work now.
 334         InsetText::updateLabels(it);
 335 }
 336
 337
 338 } // namespace lyx