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