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 Buffer * BufferView::buffer() const
  72 {
  73         return pimpl_->buffer_;
  74 }
  75
  76
  77 LyXScreen & BufferView::screen() const
  78 {
  79         return pimpl_->screen();
  80 }
  81
  82
  83 LyXView * BufferView::owner() const
  84 {
  85         return pimpl_->owner_;
  86 }
  87
  88
  89 Painter & BufferView::painter() const
  90 {
  91         return pimpl_->painter();
  92 }
  93
  94
  95 void BufferView::buffer(Buffer * b)
  96 {
  97         pimpl_->buffer(b);
  98 }
  99
 100
 101 bool BufferView::newFile(string const & fn, string const & tn, bool named)
 102 {
 103         return pimpl_->newFile(fn, tn, named);
 104 }
 105
 106
 107 bool BufferView::loadLyXFile(string const & fn, bool tl)
 108 {
 109         return pimpl_->loadLyXFile(fn, tl);
 110 }
 111
 112
 113 void BufferView::reload()
 114 {
 115         string const fn = buffer()->fileName();
 116         if (bufferlist.close(buffer(), false))
 117                 loadLyXFile(fn);
 118 }
 119
 120
 121 void BufferView::resize()
 122 {
 123         if (pimpl_->buffer_)
 124                 pimpl_->resizeCurrentBuffer();
 125 }
 126
 127
 128 bool BufferView::fitCursor()
 129 {
 130         return pimpl_->fitCursor();
 131 }
 132
 133
 134 void BufferView::update()
 135 {
 136         pimpl_->update();
 137 }
 138
 139
 140 void BufferView::updateScrollbar()
 141 {
 142         pimpl_->updateScrollbar();
 143 }
 144
 145
 146 void BufferView::scrollDocView(int value)
 147 {
 148         pimpl_->scrollDocView(value);
 149 }
 150
 151
 152 void BufferView::redoCurrentBuffer()
 153 {
 154         pimpl_->redoCurrentBuffer();
 155 }
 156
 157
 158 bool BufferView::available() const
 159 {
 160         return pimpl_->available();
 161 }
 162
 163
 164 Change const BufferView::getCurrentChange()
 165 {
 166         return pimpl_->getCurrentChange();
 167 }
 168
 169
 170 void BufferView::savePosition(unsigned int i)
 171 {
 172         pimpl_->savePosition(i);
 173 }
 174
 175
 176 void BufferView::restorePosition(unsigned int i)
 177 {
 178         pimpl_->restorePosition(i);
 179 }
 180
 181
 182 bool BufferView::isSavedPosition(unsigned int i)
 183 {
 184         return pimpl_->isSavedPosition(i);
 185 }
 186
 187
 188 void BufferView::switchKeyMap()
 189 {
 190         pimpl_->switchKeyMap();
 191 }
 192
 193
 194 int BufferView::workWidth() const
 195 {
 196         return pimpl_->workarea().workWidth();
 197 }
 198
 199
 200 void BufferView::center()
 201 {
 202         pimpl_->center();
 203 }
 204
 205
 206 int BufferView::top_y() const
 207 {
 208         return pimpl_->top_y();
 209 }
 210
 211
 212 void BufferView::top_y(int y)
 213 {
 214         pimpl_->top_y(y);
 215 }
 216
 217
 218 string const BufferView::getClipboard() const
 219 {
 220         return pimpl_->workarea().getClipboard();
 221 }
 222
 223
 224 void BufferView::stuffClipboard(string const & stuff) const
 225 {
 226         pimpl_->stuffClipboard(stuff);
 227 }
 228
 229
 230 bool BufferView::dispatch(FuncRequest const & ev)
 231 {
 232         return pimpl_->dispatch(ev);
 233 }
 234
 235
 236 void BufferView::scroll(int lines)
 237 {
 238         pimpl_->scroll(lines);
 239 }
 240
 241
 242 // Inserts a file into current document
 243 bool BufferView::insertLyXFile(string const & filen)
 244         //
 245         // Copyright CHT Software Service GmbH
 246         // Uwe C. Schroeder
 247         //
 248         // Insert a LyXformat - file into current buffer
 249         //
 250         // Moved from lyx_cb.C (Lgb)
 251 {
 252         BOOST_ASSERT(!filen.empty());
 253
 254         string const fname = MakeAbsPath(filen);
 255
 256         text()->clearSelection();
 257         text()->breakParagraph(buffer()->paragraphs());
 258
 259         bool res = buffer()->readFile(fname, text()->cursorPar());
 260         resize();
 261         return res;
 262 }
 263
 264
 265 void BufferView::showErrorList(string const & action) const
 266 {
 267         if (getErrorList().size()) {
 268                 string const title = bformat(_("LyX: %1$s errors (%2$s)"),
 269                         action, buffer()->fileName());
 270                 owner()->getDialogs().show("errorlist", title);
 271                 pimpl_->errorlist_.clear();
 272         }
 273 }
 274
 275
 276 ErrorList const & BufferView::getErrorList() const
 277 {
 278         return pimpl_->errorlist_;
 279 }
 280
 281
 282 void BufferView::setCursorFromRow(int row)
 283 {
 284         int tmpid = -1;
 285         int tmppos = -1;
 286
 287         buffer()->texrow().getIdFromRow(row, tmpid, tmppos);
 288
 289         if (tmpid == -1)
 290                 text()->setCursor(0, 0);
 291         else
 292                 text()->setCursor(buffer()->getParFromID(tmpid).pit(), tmppos);
 293 }
 294
 295
 296 bool BufferView::insertInset(InsetOld * inset, string const & lout)
 297 {
 298         return pimpl_->insertInset(inset, lout);
 299 }
 300
 301
 302 void BufferView::gotoLabel(string const & label)
 303 {
 304         for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
 305              it != buffer()->inset_iterator_end(); ++it) {
 306                 vector<string> labels;
 307                 it->getLabelList(*buffer(), labels);
 308                 if (find(labels.begin(),labels.end(),label) != labels.end()) {
 309                         text()->clearSelection();
 310                         text()->setCursor(
 311                                 std::distance(text()->paragraphs().begin(), it.getPar()),
 312                                 it.getPos());
 313                         text()->selection.cursor = text()->cursor;
 314                         update();
 315                         return;
 316                 }
 317         }
 318 }
 319
 320
 321 void BufferView::undo()
 322 {
 323         if (!available())
 324                 return;
 325
 326         owner()->message(_("Undo"));
 327         text()->clearSelection();
 328         if (!textUndo(this))
 329                 owner()->message(_("No further undo information"));
 330         update();
 331         switchKeyMap();
 332 }
 333
 334
 335 void BufferView::redo()
 336 {
 337         if (!available())
 338                 return;
 339
 340         owner()->message(_("Redo"));
 341         text()->clearSelection();
 342         if (!textRedo(this))
 343                 owner()->message(_("No further redo information"));
 344         update();
 345         switchKeyMap();
 346 }
 347
 348
 349 void BufferView::replaceWord(string const & replacestring)
 350 {
 351         if (!available())
 352                 return;
 353
 354         LyXText * t = getLyXText();
 355
 356         t->replaceSelectionWithString(replacestring);
 357         t->setSelectionRange(replacestring.length());
 358
 359         // Go back so that replacement string is also spellchecked
 360         for (string::size_type i = 0; i < replacestring.length() + 1; ++i)
 361                 t->cursorLeft(this);
 362
 363         // FIXME: should be done through LFUN
 364         buffer()->markDirty();
 365         update();
 366 }
 367
 368
 369 void BufferView::hideCursor()
 370 {
 371         screen().hideCursor();
 372 }
 373
 374
 375 bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 376 {
 377         // Check if the label 'from' appears more than once
 378         vector<string> labels;
 379         buffer()->getLabelList(labels);
 380
 381         if (lyx::count(labels.begin(), labels.end(), from) > 1)
 382                 return false;
 383
 384         return pimpl_->ChangeInsets(InsetOld::REF_CODE, from, to);
 385 }
 386
 387
 388 UpdatableInset * BufferView::innerInset() const
 389 {
 390         return static_cast<UpdatableInset*>(cursor().innerInset());
 391 }
 392
 393
 394 LyXText * BufferView::getLyXText() const
 395 {
 396         return cursor().innerText();
 397 }
 398
 399
 400 Language const * BufferView::getParentLanguage(InsetOld * inset) const
 401 {
 402         Paragraph const & par = ownerPar(*buffer(), inset);
 403         return par.getFontSettings(buffer()->params(),
 404                                    par.getPositionOfInset(inset)).language();
 405 }
 406
 407
 408 Encoding const * BufferView::getEncoding() const
 409 {
 410         LyXText * t = getLyXText();
 411         if (!t)
 412                 return 0;
 413         return t->cursorPar()->getFont(
 414                 buffer()->params(),
 415                 t->cursor.pos(),
 416                 outerFont(t->cursorPar(), t->paragraphs())
 417         ).language()->encoding();
 418 }
 419
 420
 421 void BufferView::haveSelection(bool sel)
 422 {
 423         pimpl_->workarea().haveSelection(sel);
 424 }
 425
 426
 427 int BufferView::workHeight() const
 428 {
 429         return pimpl_->workarea().workHeight();
 430 }
 431
 432
 433 LCursor & BufferView::cursor()
 434 {
 435         return pimpl_->cursor_;
 436 }
 437
 438
 439 LCursor const & BufferView::cursor() const
 440 {
 441         return pimpl_->cursor_;
 442 }
 443
 444
 445 void BufferView::x_target(int x)
 446 {
 447         x_target_ = x;
 448 }
 449
 450
 451 int BufferView::x_target() const
 452 {
 453         return x_target_;
 454 }
 455
 456
 457 void BufferView::updateParagraphDialog()
 458 {
 459         pimpl_->updateParagraphDialog();
 460 }
 461
 462
 463 LyXText * BufferView::text() const
 464 {
 465         return pimpl_->buffer_ ? &pimpl_->buffer_->text() : 0;
 466 }