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         text = 0;
  64 }
  65
  66
  67 BufferView::~BufferView()
  68 {
  69         delete text;
  70         delete pimpl_;
  71 }
  72
  73
  74 Buffer * BufferView::buffer() const
  75 {
  76         return pimpl_->buffer_;
  77 }
  78
  79
  80 LyXScreen & BufferView::screen() const
  81 {
  82         return pimpl_->screen();
  83 }
  84
  85
  86 LyXView * BufferView::owner() const
  87 {
  88         return pimpl_->owner_;
  89 }
  90
  91
  92 Painter & BufferView::painter() const
  93 {
  94         return pimpl_->painter();
  95 }
  96
  97
  98 void BufferView::buffer(Buffer * b)
  99 {
 100         pimpl_->buffer(b);
 101 }
 102
 103
 104 bool BufferView::newFile(string const & fn, string const & tn, bool named)
 105 {
 106         return pimpl_->newFile(fn, tn, named);
 107 }
 108
 109
 110 bool BufferView::loadLyXFile(string const & fn, bool tl)
 111 {
 112         return pimpl_->loadLyXFile(fn, tl);
 113 }
 114
 115
 116 void BufferView::reload()
 117 {
 118         string const fn = buffer()->fileName();
 119         if (bufferlist.close(buffer(), false))
 120                 loadLyXFile(fn);
 121 }
 122
 123
 124 void BufferView::resize()
 125 {
 126         if (pimpl_->buffer_)
 127                 pimpl_->resizeCurrentBuffer();
 128 }
 129
 130
 131 bool BufferView::fitCursor()
 132 {
 133         return pimpl_->fitCursor();
 134 }
 135
 136
 137 void BufferView::update()
 138 {
 139         pimpl_->update();
 140 }
 141
 142
 143 void BufferView::updateScrollbar()
 144 {
 145         pimpl_->updateScrollbar();
 146 }
 147
 148
 149 void BufferView::scrollDocView(int value)
 150 {
 151         pimpl_->scrollDocView(value);
 152 }
 153
 154
 155 void BufferView::redoCurrentBuffer()
 156 {
 157         pimpl_->redoCurrentBuffer();
 158 }
 159
 160
 161 bool BufferView::available() const
 162 {
 163         return pimpl_->available();
 164 }
 165
 166
 167 Change const BufferView::getCurrentChange()
 168 {
 169         return pimpl_->getCurrentChange();
 170 }
 171
 172
 173 void BufferView::savePosition(unsigned int i)
 174 {
 175         pimpl_->savePosition(i);
 176 }
 177
 178
 179 void BufferView::restorePosition(unsigned int i)
 180 {
 181         pimpl_->restorePosition(i);
 182 }
 183
 184
 185 bool BufferView::isSavedPosition(unsigned int i)
 186 {
 187         return pimpl_->isSavedPosition(i);
 188 }
 189
 190
 191 void BufferView::switchKeyMap()
 192 {
 193         pimpl_->switchKeyMap();
 194 }
 195
 196
 197 int BufferView::workWidth() const
 198 {
 199         return pimpl_->workarea().workWidth();
 200 }
 201
 202
 203 void BufferView::center()
 204 {
 205         pimpl_->center();
 206 }
 207
 208
 209 int BufferView::top_y() const
 210 {
 211         return pimpl_->top_y();
 212 }
 213
 214
 215 void BufferView::top_y(int y)
 216 {
 217         pimpl_->top_y(y);
 218 }
 219
 220
 221 string const BufferView::getClipboard() const
 222 {
 223         return pimpl_->workarea().getClipboard();
 224 }
 225
 226
 227 void BufferView::stuffClipboard(string const & stuff) const
 228 {
 229         pimpl_->stuffClipboard(stuff);
 230 }
 231
 232
 233 bool BufferView::dispatch(FuncRequest const & ev)
 234 {
 235         return pimpl_->dispatch(ev);
 236 }
 237
 238
 239 void BufferView::scroll(int lines)
 240 {
 241         pimpl_->scroll(lines);
 242 }
 243
 244
 245 // Inserts a file into current document
 246 bool BufferView::insertLyXFile(string const & filen)
 247         //
 248         // Copyright CHT Software Service GmbH
 249         // Uwe C. Schroeder
 250         //
 251         // Insert a LyXformat - file into current buffer
 252         //
 253         // Moved from lyx_cb.C (Lgb)
 254 {
 255         BOOST_ASSERT(!filen.empty());
 256
 257         string const fname = MakeAbsPath(filen);
 258
 259         text->clearSelection();
 260         text->breakParagraph(buffer()->paragraphs());
 261
 262         bool res = buffer()->readFile(fname, text->cursorPar());
 263         resize();
 264         return res;
 265 }
 266
 267
 268 void BufferView::showErrorList(string const & action) const
 269 {
 270         if (getErrorList().size()) {
 271                 string const title = bformat(_("LyX: %1$s errors (%2$s)"),
 272                         action, buffer()->fileName());
 273                 owner()->getDialogs().show("errorlist", title);
 274                 pimpl_->errorlist_.clear();
 275         }
 276 }
 277
 278
 279 ErrorList const & BufferView::getErrorList() const
 280 {
 281         return pimpl_->errorlist_;
 282 }
 283
 284
 285 void BufferView::setCursorFromRow(int row)
 286 {
 287         int tmpid = -1;
 288         int tmppos = -1;
 289
 290         buffer()->texrow().getIdFromRow(row, tmpid, tmppos);
 291
 292         if (tmpid == -1)
 293                 text->setCursor(0, 0);
 294         else
 295                 text->setCursor(buffer()->getParFromID(tmpid).pit(), tmppos);
 296 }
 297
 298
 299 bool BufferView::insertInset(InsetOld * inset, string const & lout)
 300 {
 301         return pimpl_->insertInset(inset, lout);
 302 }
 303
 304
 305 void BufferView::gotoLabel(string const & label)
 306 {
 307         for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
 308              it != buffer()->inset_iterator_end(); ++it) {
 309                 vector<string> labels;
 310                 it->getLabelList(*buffer(), labels);
 311                 if (find(labels.begin(),labels.end(),label) != labels.end()) {
 312                         text->clearSelection();
 313                         text->setCursor(
 314                                 std::distance(text->ownerParagraphs().begin(), it.getPar()),
 315                                 it.getPos());
 316                         text->selection.cursor = text->cursor;
 317                         update();
 318                         return;
 319                 }
 320         }
 321 }
 322
 323
 324 void BufferView::undo()
 325 {
 326         if (!available())
 327                 return;
 328
 329         owner()->message(_("Undo"));
 330         text->clearSelection();
 331         if (!textUndo(this))
 332                 owner()->message(_("No further undo information"));
 333         update();
 334         switchKeyMap();
 335 }
 336
 337
 338 void BufferView::redo()
 339 {
 340         if (!available())
 341                 return;
 342
 343         owner()->message(_("Redo"));
 344         text->clearSelection();
 345         if (!textRedo(this))
 346                 owner()->message(_("No further redo information"));
 347         update();
 348         switchKeyMap();
 349 }
 350
 351
 352 void BufferView::replaceWord(string const & replacestring)
 353 {
 354         if (!available())
 355                 return;
 356
 357         LyXText * text = getLyXText();
 358
 359         text->replaceSelectionWithString(replacestring);
 360         text->setSelectionRange(replacestring.length());
 361
 362         // Go back so that replacement string is also spellchecked
 363         for (string::size_type i = 0; i < replacestring.length() + 1; ++i)
 364                 text->cursorLeft(this);
 365
 366         // FIXME: should be done through LFUN
 367         buffer()->markDirty();
 368         update();
 369 }
 370
 371
 372 void BufferView::hideCursor()
 373 {
 374         screen().hideCursor();
 375 }
 376
 377
 378 bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 379 {
 380         // Check if the label 'from' appears more than once
 381         vector<string> labels;
 382         buffer()->getLabelList(labels);
 383
 384         if (lyx::count(labels.begin(), labels.end(), from) > 1)
 385                 return false;
 386
 387         return pimpl_->ChangeInsets(InsetOld::REF_CODE, from, to);
 388 }
 389
 390
 391 UpdatableInset * BufferView::innerInset() const
 392 {
 393         return static_cast<UpdatableInset*>(cursor().innerInset());
 394 }
 395
 396
 397 LyXText * BufferView::getLyXText() const
 398 {
 399         return cursor().innerText();
 400 }
 401
 402
 403 Language const * BufferView::getParentLanguage(InsetOld * inset) const
 404 {
 405         Paragraph const & par = ownerPar(*buffer(), inset);
 406         return par.getFontSettings(buffer()->params(),
 407                                    par.getPositionOfInset(inset)).language();
 408 }
 409
 410
 411 Encoding const * BufferView::getEncoding() const
 412 {
 413         LyXText * text = getLyXText();
 414         if (!text)
 415                 return 0;
 416         return text->cursorPar()->getFont(
 417                 buffer()->params(),
 418                 text->cursor.pos(),
 419                 outerFont(text->cursorPar(), text->ownerParagraphs())
 420         ).language()->encoding();
 421 }
 422
 423
 424 void BufferView::haveSelection(bool sel)
 425 {
 426         pimpl_->workarea().haveSelection(sel);
 427 }
 428
 429
 430 int BufferView::workHeight() const
 431 {
 432         return pimpl_->workarea().workHeight();
 433 }
 434
 435
 436 LCursor & BufferView::cursor()
 437 {
 438         return pimpl_->cursor_;
 439 }
 440
 441
 442 LCursor const & BufferView::cursor() const
 443 {
 444         return pimpl_->cursor_;
 445 }
 446
 447
 448 void BufferView::x_target(int x)
 449 {
 450         x_target_ = x;
 451 }
 452
 453
 454 int BufferView::x_target() const
 455 {
 456         return x_target_;
 457 }
 458
 459
 460 void BufferView::updateParagraphDialog()
 461 {
 462         pimpl_->updateParagraphDialog();
 463 }