src/insets/insettext.C

   1 /**
   2  * \file insettext.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insettext.h"
  14 #include "insetnewline.h"
  15
  16 #include "buffer.h"
  17 #include "bufferparams.h"
  18 #include "BufferView.h"
  19 #include "CutAndPaste.h"
  20 #include "cursor.h"
  21 #include "debug.h"
  22 #include "dispatchresult.h"
  23 #include "errorlist.h"
  24 #include "funcrequest.h"
  25 #include "gettext.h"
  26 #include "intl.h"
  27 #include "LColor.h"
  28 #include "lyxfind.h"
  29 #include "lyxlex.h"
  30 #include "lyxrc.h"
  31 #include "lyxtext.h"
  32 #include "metricsinfo.h"
  33 #include "output_docbook.h"
  34 #include "output_latex.h"
  35 #include "output_linuxdoc.h"
  36 #include "output_plaintext.h"
  37 #include "paragraph.h"
  38 #include "paragraph_funcs.h"
  39 #include "ParagraphParameters.h"
  40 #include "rowpainter.h"
  41 #include "lyxrow.h"
  42 #include "sgml.h"
  43 #include "texrow.h"
  44 #include "undo.h"
  45
  46 #include "frontends/Alert.h"
  47 #include "frontends/font_metrics.h"
  48 #include "frontends/LyXView.h"
  49 #include "frontends/Painter.h"
  50
  51 #include "support/lyxalgo.h" // lyx::count
  52
  53 #include <boost/bind.hpp>
  54
  55 using lyx::pos_type;
  56
  57 using lyx::graphics::PreviewLoader;
  58
  59 using lyx::support::isStrUnsignedInt;
  60
  61 using boost::bind;
  62 using boost::ref;
  63
  64 using std::endl;
  65 using std::for_each;
  66 using std::max;
  67 using std::string;
  68 using std::auto_ptr;
  69 using std::ostream;
  70 using std::vector;
  71
  72
  73 int InsetText::border_ = 2;
  74
  75
  76 InsetText::InsetText(BufferParams const & bp)
  77         : drawFrame_(false), frame_color_(LColor::insetframe), text_(0)
  78 {
  79         paragraphs().push_back(Paragraph());
  80         paragraphs().back().layout(bp.getLyXTextClass().defaultLayout());
  81         if (bp.tracking_changes)
  82                 paragraphs().back().trackChanges();
  83         init();
  84 }
  85
  86
  87 InsetText::InsetText(InsetText const & in)
  88         : UpdatableInset(in), text_(in.text_.bv_owner)
  89 {
  90         text_.autoBreakRows_ = in.text_.autoBreakRows_;
  91         drawFrame_ = in.drawFrame_;
  92         frame_color_ = in.frame_color_;
  93         text_.paragraphs() = in.text_.paragraphs();
  94         init();
  95 }
  96
  97
  98 InsetText::InsetText()
  99         : text_(0)
 100 {}
 101
 102
 103 void InsetText::init()
 104 {
 105         for_each(paragraphs().begin(), paragraphs().end(),
 106                  bind(&Paragraph::setInsetOwner, _1, this));
 107         old_pit = -1;
 108 }
 109
 110
 111 void InsetText::clear(bool just_mark_erased)
 112 {
 113         ParagraphList & pars = paragraphs();
 114         if (just_mark_erased) {
 115                 for_each(pars.begin(), pars.end(),
 116                          bind(&Paragraph::markErased, _1));
 117                 return;
 118         }
 119
 120         // This is a gross hack...
 121         LyXLayout_ptr old_layout = pars.begin()->layout();
 122
 123         pars.clear();
 124         pars.push_back(Paragraph());
 125         pars.begin()->setInsetOwner(this);
 126         pars.begin()->layout(old_layout);
 127 }
 128
 129
 130 auto_ptr<InsetBase> InsetText::doClone() const
 131 {
 132         return auto_ptr<InsetBase>(new InsetText(*this));
 133 }
 134
 135
 136 void InsetText::write(Buffer const & buf, ostream & os) const
 137 {
 138         os << "Text\n";
 139         text_.write(buf, os);
 140 }
 141
 142
 143 void InsetText::read(Buffer const & buf, LyXLex & lex)
 144 {
 145         clear(false);
 146
 147 #ifdef WITH_WARNINGS
 148 #warning John, look here. Doesnt make much sense.
 149 #endif
 150         if (buf.params().tracking_changes)
 151                 paragraphs().begin()->trackChanges();
 152
 153         // delete the initial paragraph
 154         Paragraph oldpar = *paragraphs().begin();
 155         paragraphs().clear();
 156         bool res = text_.read(buf, lex);
 157         init();
 158
 159         if (!res) {
 160                 lex.printError("Missing \\end_inset at this point. "
 161                                            "Read: `$$Token'");
 162         }
 163
 164         // sanity check
 165         // ensure we have at least one paragraph.
 166         if (paragraphs().empty())
 167                 paragraphs().push_back(oldpar);
 168 }
 169
 170
 171 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 172 {
 173         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 174         setViewCache(mi.base.bv);
 175         mi.base.textwidth -= 2 * border_;
 176         font_ = mi.base.font;
 177         text_.font_ = mi.base.font;
 178         text_.metrics(mi, dim);
 179         dim.asc += border_;
 180         dim.des += border_;
 181         dim.wid += 2 * border_;
 182         mi.base.textwidth += 2 * border_;
 183         dim_ = dim;
 184 }
 185
 186
 187 void InsetText::draw(PainterInfo & pi, int x, int y) const
 188 {
 189         BOOST_ASSERT(!text_.paragraphs().front().rows().empty());
 190         // update our idea of where we are
 191         setPosCache(pi, x, y);
 192
 193         BufferView * bv = pi.base.bv;
 194         bv->hideCursor();
 195
 196         x += scroll();
 197         text_.draw(pi, x + border_, y);
 198
 199         if (drawFrame_)
 200                 drawFrame(pi.pain, x, y);
 201 }
 202
 203
 204 void InsetText::drawSelection(PainterInfo & pi, int x, int y) const
 205 {
 206         // repaint the background if needed
 207         if (backgroundColor() != LColor::background)
 208                 clearInset(pi.pain, x, y);
 209         text_.drawSelection(pi, x, y);
 210 }
 211
 212
 213 void InsetText::drawFrame(Painter & pain, int x, int y) const
 214 {
 215         int const w = text_.width() + border_;
 216         int const a = text_.ascent() + border_;
 217         int const h = a + text_.descent() + border_;
 218         pain.rectangle(x, y - a, w, h, frameColor());
 219 }
 220
 221
 222 void InsetText::clearInset(Painter & pain, int x, int y) const
 223 {
 224         int const w = text_.width() + border_;
 225         int const a = text_.ascent() + border_;
 226         int const h = a + text_.descent() + border_;
 227         pain.fillRectangle(x, y - a, w, h, backgroundColor());
 228 }
 229
 230
 231 void InsetText::updateLocal(LCursor & cur)
 232 {
 233         if (!text_.autoBreakRows_ && paragraphs().size() > 1) {
 234                 // collapse paragraphs
 235                 while (paragraphs().size() > 1) {
 236                         ParagraphList::iterator const first = paragraphs().begin();
 237                         ParagraphList::iterator second = first;
 238                         ++second;
 239                         size_t const first_par_size = first->size();
 240
 241                         if (!first->empty() &&
 242                                         !second->empty() &&
 243                                         !first->isSeparator(first_par_size - 1)) {
 244                                 first->insertChar(first_par_size, ' ');
 245                         }
 246
 247                         cur.clearSelection();
 248                         mergeParagraph(cur.buffer().params(), paragraphs(), 0);
 249                 }
 250         }
 251
 252         if (!cur.selection())
 253                 cur.resetAnchor();
 254
 255         LyXView * lv = cur.bv().owner();
 256         lv->view_state_changed();
 257         lv->updateMenubar();
 258         lv->updateToolbars();
 259         if (old_pit != cur.pit()) {
 260                 lv->setLayout(text_.getPar(cur.pit()).layout()->name());
 261                 old_pit = cur.pit();
 262         }
 263 }
 264
 265
 266 string const InsetText::editMessage() const
 267 {
 268         return _("Opened Text Inset");
 269 }
 270
 271
 272 void InsetText::edit(LCursor & cur, bool left)
 273 {
 274         //lyxerr << "InsetText: edit left/right" << endl;
 275         old_pit = -1;
 276         setViewCache(&cur.bv());
 277         int const pit = left ? 0 : paragraphs().size() - 1;
 278         int const pos = left ? 0 : paragraphs().back().size();
 279         text_.setCursor(cur.top(), pit, pos);
 280         cur.clearSelection();
 281         finishUndo();
 282 #ifdef WITH_WARNINGS
 283 #warning can someone check if/when this is needed?
 284 #endif
 285 //Andre?
 286 //      updateLocal(cur);
 287 }
 288
 289
 290 InsetBase * InsetText::editXY(LCursor & cur, int x, int y) const
 291 {
 292         old_pit = -1;
 293         return text_.editXY(cur, x, y);
 294         //sanitizeEmptyText(cur.bv());
 295         //updateLocal(cur);
 296 }
 297
 298
 299 void InsetText::doDispatch(LCursor & cur, FuncRequest & cmd)
 300 {
 301         lyxerr << BOOST_CURRENT_FUNCTION
 302                << " [ cmd.action = " << cmd.action << ']' << endl;
 303         setViewCache(&cur.bv());
 304
 305         text_.dispatch(cur, cmd);
 306
 307 }
 308
 309
 310 bool InsetText::getStatus(LCursor & cur, FuncRequest const & cmd,
 311         FuncStatus & status) const
 312 {
 313         return text_.getStatus(cur, cmd, status);
 314 }
 315
 316
 317 int InsetText::latex(Buffer const & buf, ostream & os,
 318                      OutputParams const & runparams) const
 319 {
 320         TexRow texrow;
 321         latexParagraphs(buf, paragraphs(), os, texrow, runparams);
 322         return texrow.rows();
 323 }
 324
 325
 326 int InsetText::plaintext(Buffer const & buf, ostream & os,
 327                      OutputParams const & runparams) const
 328 {
 329         ParagraphList::const_iterator beg = paragraphs().begin();
 330         ParagraphList::const_iterator end = paragraphs().end();
 331         ParagraphList::const_iterator it = beg;
 332         for (; it != end; ++it)
 333                 asciiParagraph(buf, *it, os, runparams, it == beg);
 334
 335         // FIXME: Give the total numbers of lines
 336         return 0;
 337 }
 338
 339
 340 int InsetText::linuxdoc(Buffer const & buf, ostream & os,
 341                         OutputParams const & runparams) const
 342 {
 343         linuxdocParagraphs(buf, paragraphs(), os, runparams);
 344         return 0;
 345 }
 346
 347
 348 int InsetText::docbook(Buffer const & buf, ostream & os,
 349                        OutputParams const & runparams) const
 350 {
 351         docbookParagraphs(paragraphs(), buf, os, runparams);
 352         return 0;
 353 }
 354
 355
 356 void InsetText::validate(LaTeXFeatures & features) const
 357 {
 358         for_each(paragraphs().begin(), paragraphs().end(),
 359                  bind(&Paragraph::validate, _1, ref(features)));
 360 }
 361
 362
 363 void InsetText::getCursorPos(CursorSlice const & sl, int & x, int & y) const
 364 {
 365         x = text_.cursorX(sl) + border_;
 366         y = text_.cursorY(sl);
 367 }
 368
 369
 370 bool InsetText::showInsetDialog(BufferView *) const
 371 {
 372         return false;
 373 }
 374
 375
 376 void InsetText::getLabelList(Buffer const & buffer,
 377                              std::vector<string> & list) const
 378 {
 379         ParagraphList::const_iterator pit = paragraphs().begin();
 380         ParagraphList::const_iterator pend = paragraphs().end();
 381         for (; pit != pend; ++pit) {
 382                 InsetList::const_iterator beg = pit->insetlist.begin();
 383                 InsetList::const_iterator end = pit->insetlist.end();
 384                 for (; beg != end; ++beg)
 385                         beg->inset->getLabelList(buffer, list);
 386         }
 387 }
 388
 389
 390 void InsetText::markNew(bool track_changes)
 391 {
 392         ParagraphList::iterator pit = paragraphs().begin();
 393         ParagraphList::iterator end = paragraphs().end();
 394         for (; pit != end; ++pit) {
 395                 if (track_changes) {
 396                         pit->trackChanges();
 397                 } else {
 398                         // no-op when not tracking
 399                         pit->cleanChanges();
 400                 }
 401         }
 402 }
 403
 404
 405 void InsetText::setText(string const & data, LyXFont const & font)
 406 {
 407         clear(false);
 408         Paragraph & first = paragraphs().front();
 409         for (unsigned int i = 0; i < data.length(); ++i)
 410                 first.insertChar(i, data[i], font);
 411 }
 412
 413
 414 void InsetText::setAutoBreakRows(bool flag)
 415 {
 416         if (flag != text_.autoBreakRows_) {
 417                 text_.autoBreakRows_ = flag;
 418                 if (!flag)
 419                         removeNewlines();
 420         }
 421 }
 422
 423
 424 void InsetText::setDrawFrame(bool flag)
 425 {
 426         drawFrame_ = flag;
 427 }
 428
 429
 430 LColor_color InsetText::frameColor() const
 431 {
 432         return LColor::color(frame_color_);
 433 }
 434
 435
 436 void InsetText::setFrameColor(LColor_color col)
 437 {
 438         frame_color_ = col;
 439 }
 440
 441
 442 void InsetText::setViewCache(BufferView const * bv) const
 443 {
 444         if (bv && bv != text_.bv_owner) {
 445                 //lyxerr << "setting view cache from "
 446                 //      << text_.bv_owner << " to " << bv << "\n";
 447                 text_.bv_owner = const_cast<BufferView *>(bv);
 448         }
 449 }
 450
 451
 452 void InsetText::removeNewlines()
 453 {
 454         ParagraphList::iterator it = paragraphs().begin();
 455         ParagraphList::iterator end = paragraphs().end();
 456         for (; it != end; ++it)
 457                 for (int i = 0; i < it->size(); ++i)
 458                         if (it->isNewline(i))
 459                                 it->erase(i);
 460 }
 461
 462
 463 LyXText * InsetText::getText(int i) const
 464 {
 465         return (i == 0) ? const_cast<LyXText*>(&text_) : 0;
 466 }
 467
 468
 469 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
 470 {
 471 #ifdef WITH_WARNINGS
 472 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
 473 // And it probably does. You have to take a look at this John. (Lgb)
 474 #warning John, have a look here. (Lgb)
 475 #endif
 476         ParagraphList & pl = paragraphs();
 477
 478         ParagraphList::iterator pit = plist.begin();
 479         ParagraphList::iterator ins = pl.insert(pl.end(), *pit);
 480         ++pit;
 481         mergeParagraph(buffer->params(), pl, ins - pl.begin() - 1);
 482
 483         for_each(pit, plist.end(),
 484                  bind(&ParagraphList::push_back, ref(pl), _1));
 485 }
 486
 487
 488 void InsetText::addPreview(PreviewLoader & loader) const
 489 {
 490         ParagraphList::const_iterator pit = paragraphs().begin();
 491         ParagraphList::const_iterator pend = paragraphs().end();
 492
 493         for (; pit != pend; ++pit) {
 494                 InsetList::const_iterator it  = pit->insetlist.begin();
 495                 InsetList::const_iterator end = pit->insetlist.end();
 496                 for (; it != end; ++it)
 497                         it->inset->addPreview(loader);
 498         }
 499 }
 500
 501
 502 ParagraphList const & InsetText::paragraphs() const
 503 {
 504         return text_.paragraphs();
 505 }
 506
 507
 508 ParagraphList & InsetText::paragraphs()
 509 {
 510         return text_.paragraphs();
 511 }