src/BufferView.C

   1 /**
   2  * \file BufferView.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author John Levon
   9  * \author André Pönitz
  10  * \author Jürgen Vigna
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "BufferView.h"
  18
  19 #include "buffer.h"
  20 #include "bufferlist.h"
  21 #include "BufferView_pimpl.h"
  22 #include "debug.h"
  23 #include "funcrequest.h"
  24 #include "gettext.h"
  25 #include "iterators.h"
  26 #include "language.h"
  27 #include "lyxlayout.h"
  28 #include "lyxtext.h"
  29 #include "paragraph.h"
  30 #include "paragraph_funcs.h"
  31 #include "texrow.h"
  32 #include "undo.h"
  33 #include "WordLangTuple.h"
  34
  35 #include "frontends/Alert.h"
  36 #include "frontends/Dialogs.h"
  37 #include "frontends/LyXView.h"
  38 #include "frontends/screen.h"
  39 #include "frontends/WorkArea.h"
  40
  41 #include "insets/insetcommand.h" // ChangeRefs
  42 #include "insets/updatableinset.h"
  43
  44 #include "support/filetools.h"
  45 #include "support/lyxalgo.h" // lyx_count
  46
  47 using lyx::support::bformat;
  48 using lyx::support::MakeAbsPath;
  49
  50 using std::find;
  51 using std::string;
  52 using std::vector;
  53
  54
  55 extern BufferList bufferlist;
  56
  57
  58 BufferView::BufferView(LyXView * owner, int xpos, int ypos,
  59                        int width, int height)
  60         : pimpl_(new Pimpl(this, owner, xpos, ypos, width, height)),
  61           x_target_(0)
  62 {}
  63
  64
  65 BufferView::~BufferView()
  66 {
  67         delete pimpl_;
  68 }
  69
  70
  71 void BufferView::unsetXSel()
  72 {
  73         pimpl_->xsel_cache_.set = false;
  74 }
  75
  76
  77 Buffer * BufferView::buffer() const
  78 {
  79         return pimpl_->buffer_;
  80 }
  81
  82
  83 LyXScreen & BufferView::screen() const
  84 {
  85         return pimpl_->screen();
  86 }
  87
  88
  89 LyXView * BufferView::owner() const
  90 {
  91         return pimpl_->owner_;
  92 }
  93
  94
  95 Painter & BufferView::painter() const
  96 {
  97         return pimpl_->painter();
  98 }
  99
 100
 101 void BufferView::buffer(Buffer * b)
 102 {
 103         pimpl_->buffer(b);
 104 }
 105
 106
 107 bool BufferView::newFile(string const & fn, string const & tn, bool named)
 108 {
 109         return pimpl_->newFile(fn, tn, named);
 110 }
 111
 112
 113 bool BufferView::loadLyXFile(string const & fn, bool tl)
 114 {
 115         return pimpl_->loadLyXFile(fn, tl);
 116 }
 117
 118
 119 void BufferView::reload()
 120 {
 121         string const fn = buffer()->fileName();
 122         if (bufferlist.close(buffer(), false))
 123                 loadLyXFile(fn);
 124 }
 125
 126
 127 void BufferView::resize()
 128 {
 129         if (pimpl_->buffer_)
 130                 pimpl_->resizeCurrentBuffer();
 131 }
 132
 133
 134 bool BufferView::fitCursor()
 135 {
 136         return pimpl_->fitCursor();
 137 }
 138
 139
 140 void BufferView::update()
 141 {
 142         pimpl_->update();
 143 }
 144
 145
 146 void BufferView::updateScrollbar()
 147 {
 148         pimpl_->updateScrollbar();
 149 }
 150
 151
 152 void BufferView::scrollDocView(int value)
 153 {
 154         pimpl_->scrollDocView(value);
 155 }
 156
 157
 158 void BufferView::redoCurrentBuffer()
 159 {
 160         pimpl_->redoCurrentBuffer();
 161 }
 162
 163
 164 bool BufferView::available() const
 165 {
 166         return pimpl_->available();
 167 }
 168
 169
 170 Change const BufferView::getCurrentChange()
 171 {
 172         return pimpl_->getCurrentChange();
 173 }
 174
 175
 176 void BufferView::savePosition(unsigned int i)
 177 {
 178         pimpl_->savePosition(i);
 179 }
 180
 181
 182 void BufferView::restorePosition(unsigned int i)
 183 {
 184         pimpl_->restorePosition(i);
 185 }
 186
 187
 188 bool BufferView::isSavedPosition(unsigned int i)
 189 {
 190         return pimpl_->isSavedPosition(i);
 191 }
 192
 193
 194 void BufferView::switchKeyMap()
 195 {
 196         pimpl_->switchKeyMap();
 197 }
 198
 199
 200 int BufferView::workWidth() const
 201 {
 202         return pimpl_->workarea().workWidth();
 203 }
 204
 205
 206 void BufferView::center()
 207 {
 208         pimpl_->center();
 209 }
 210
 211
 212 int BufferView::top_y() const
 213 {
 214         return pimpl_->top_y();
 215 }
 216
 217
 218 void BufferView::top_y(int y)
 219 {
 220         pimpl_->top_y(y);
 221 }
 222
 223
 224 string const BufferView::getClipboard() const
 225 {
 226         return pimpl_->workarea().getClipboard();
 227 }
 228
 229
 230 void BufferView::stuffClipboard(string const & stuff) const
 231 {
 232         pimpl_->stuffClipboard(stuff);
 233 }
 234
 235
 236 bool BufferView::dispatch(FuncRequest const & ev)
 237 {
 238         return pimpl_->dispatch(ev);
 239 }
 240
 241
 242 void BufferView::scroll(int lines)
 243 {
 244         pimpl_->scroll(lines);
 245 }
 246
 247
 248 // Inserts a file into current document
 249 bool BufferView::insertLyXFile(string const & filen)
 250         //
 251         // Copyright CHT Software Service GmbH
 252         // Uwe C. Schroeder
 253         //
 254         // Insert a LyXformat - file into current buffer
 255         //
 256         // Moved from lyx_cb.C (Lgb)
 257 {
 258         BOOST_ASSERT(!filen.empty());
 259
 260         string const fname = MakeAbsPath(filen);
 261
 262         text()->clearSelection();
 263         text()->breakParagraph(buffer()->paragraphs());
 264
 265         bool res = buffer()->readFile(fname, text()->cursorPar());
 266         resize();
 267         return res;
 268 }
 269
 270
 271 void BufferView::showErrorList(string const & action) const
 272 {
 273         if (getErrorList().size()) {
 274                 string const title = bformat(_("LyX: %1$s errors (%2$s)"),
 275                         action, buffer()->fileName());
 276                 owner()->getDialogs().show("errorlist", title);
 277                 pimpl_->errorlist_.clear();
 278         }
 279 }
 280
 281
 282 ErrorList const & BufferView::getErrorList() const
 283 {
 284         return pimpl_->errorlist_;
 285 }
 286
 287
 288 void BufferView::setCursorFromRow(int row)
 289 {
 290         int tmpid = -1;
 291         int tmppos = -1;
 292
 293         buffer()->texrow().getIdFromRow(row, tmpid, tmppos);
 294
 295         if (tmpid == -1)
 296                 text()->setCursor(0, 0);
 297         else
 298                 text()->setCursor(buffer()->getParFromID(tmpid).pit(), tmppos);
 299 }
 300
 301
 302 bool BufferView::insertInset(InsetOld * inset, string const & lout)
 303 {
 304         return pimpl_->insertInset(inset, lout);
 305 }
 306
 307
 308 void BufferView::gotoLabel(string const & label)
 309 {
 310         for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
 311              it != buffer()->inset_iterator_end(); ++it) {
 312                 vector<string> labels;
 313                 it->getLabelList(*buffer(), labels);
 314                 if (find(labels.begin(),labels.end(),label) != labels.end()) {
 315                         text()->clearSelection();
 316                         text()->setCursor(
 317                                 std::distance(text()->paragraphs().begin(), it.getPar()),
 318                                 it.getPos());
 319                         resetAnchor();
 320                         update();
 321                         return;
 322                 }
 323         }
 324 }
 325
 326
 327 void BufferView::undo()
 328 {
 329         if (!available())
 330                 return;
 331
 332         owner()->message(_("Undo"));
 333         text()->clearSelection();
 334         if (!textUndo(this))
 335                 owner()->message(_("No further undo information"));
 336         update();
 337         switchKeyMap();
 338 }
 339
 340
 341 void BufferView::redo()
 342 {
 343         if (!available())
 344                 return;
 345
 346         owner()->message(_("Redo"));
 347         text()->clearSelection();
 348         if (!textRedo(this))
 349                 owner()->message(_("No further redo information"));
 350         update();
 351         switchKeyMap();
 352 }
 353
 354
 355 void BufferView::replaceWord(string const & replacestring)
 356 {
 357         if (!available())
 358                 return;
 359
 360         LyXText * t = getLyXText();
 361
 362         t->replaceSelectionWithString(replacestring);
 363         t->setSelectionRange(replacestring.length());
 364
 365         // Go back so that replacement string is also spellchecked
 366         for (string::size_type i = 0; i < replacestring.length() + 1; ++i)
 367                 t->cursorLeft(this);
 368
 369         // FIXME: should be done through LFUN
 370         buffer()->markDirty();
 371         update();
 372 }
 373
 374
 375 void BufferView::hideCursor()
 376 {
 377         screen().hideCursor();
 378 }
 379
 380
 381 bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 382 {
 383         // Check if the label 'from' appears more than once
 384         vector<string> labels;
 385         buffer()->getLabelList(labels);
 386
 387         if (lyx::count(labels.begin(), labels.end(), from) > 1)
 388                 return false;
 389
 390         return pimpl_->ChangeInsets(InsetOld::REF_CODE, from, to);
 391 }
 392
 393
 394 UpdatableInset * BufferView::innerInset() const
 395 {
 396         return static_cast<UpdatableInset*>(fullCursor().innerInset());
 397 }
 398
 399
 400 LyXText * BufferView::getLyXText() const
 401 {
 402         return fullCursor().innerText();
 403 }
 404
 405
 406 Language const * BufferView::getParentLanguage(InsetOld * inset) const
 407 {
 408         Paragraph const & par = ownerPar(*buffer(), inset);
 409         return par.getFontSettings(buffer()->params(),
 410                                    par.getPositionOfInset(inset)).language();
 411 }
 412
 413
 414 Encoding const * BufferView::getEncoding() const
 415 {
 416         LyXText * t = getLyXText();
 417         if (!t)
 418                 return 0;
 419         return t->cursorPar()->getFont(
 420                 buffer()->params(),
 421                 t->cursor().pos(),
 422                 outerFont(t->cursorPar(), t->paragraphs())
 423         ).language()->encoding();
 424 }
 425
 426
 427 void BufferView::haveSelection(bool sel)
 428 {
 429         pimpl_->workarea().haveSelection(sel);
 430 }
 431
 432
 433 int BufferView::workHeight() const
 434 {
 435         return pimpl_->workarea().workHeight();
 436 }
 437
 438
 439 void BufferView::fullCursor(LCursor const & cur)
 440 {
 441         pimpl_->cursor_ = cur;
 442 }
 443
 444
 445 LCursor & BufferView::fullCursor()
 446 {
 447         return pimpl_->cursor_;
 448 }
 449
 450
 451 LCursor const & BufferView::fullCursor() const
 452 {
 453         return pimpl_->cursor_;
 454 }
 455
 456
 457 CursorSlice & BufferView::cursor()
 458 {
 459         return fullCursor().cursor_.back();
 460 }
 461
 462
 463 CursorSlice const & BufferView::cursor() const
 464 {
 465         return fullCursor().cursor_.back();
 466 }
 467
 468
 469 CursorSlice & BufferView::anchor()
 470 {
 471         return fullCursor().anchor_.back();
 472 }
 473
 474
 475 CursorSlice const & BufferView::anchor() const
 476 {
 477         return fullCursor().anchor_.back();
 478 }
 479
 480
 481 void BufferView::x_target(int x)
 482 {
 483         x_target_ = x;
 484 }
 485
 486
 487 int BufferView::x_target() const
 488 {
 489         return x_target_;
 490 }
 491
 492
 493 void BufferView::updateParagraphDialog()
 494 {
 495         pimpl_->updateParagraphDialog();
 496 }
 497
 498
 499 LyXText * BufferView::text() const
 500 {
 501         return pimpl_->buffer_ ? &pimpl_->buffer_->text() : 0;
 502 }
 503
 504
 505 void BufferView::resetAnchor()
 506 {
 507         return fullCursor().resetAnchor();
 508 }