src/BufferView_pimpl.C

   1 /**
   2  * \file BufferView_pimpl.C
   3  * Copyright 2002 the LyX Team
   4  * Read the file COPYING
   5  *
   6  * \author various
   7  */
   8
   9 #include <config.h>
  10
  11 #ifdef __GNUG__
  12 #pragma implementation
  13 #endif
  14
  15 #include "BufferView_pimpl.h"
  16 #include "frontends/WorkArea.h"
  17 #include "frontends/screen.h"
  18 #include "frontends/LyXScreenFactory.h"
  19 #include "frontends/WorkAreaFactory.h"
  20 #include "frontends/Dialogs.h"
  21 #include "frontends/Alert.h"
  22 #include "frontends/FileDialog.h"
  23 #include "lyxtext.h"
  24 #include "lyxrow.h"
  25 #include "paragraph.h"
  26 #include "frontends/LyXView.h"
  27 #include "commandtags.h"
  28 #include "lyxfunc.h"
  29 #include "debug.h"
  30 #include "bufferview_funcs.h"
  31 #include "TextCache.h"
  32 #include "bufferlist.h"
  33 #include "lyxrc.h"
  34 #include "intl.h"
  35 // added for Dispatch functions
  36 #include "lyx_cb.h"
  37 #include "lyx_main.h"
  38 #include "FloatList.h"
  39 #include "gettext.h"
  40 #include "ParagraphParameters.h"
  41 #include "undo_funcs.h"
  42
  43 #include "insets/insetbib.h"
  44 #include "insets/insettext.h"
  45 #include "insets/inseturl.h"
  46 #include "insets/insetlatexaccent.h"
  47 #include "insets/insettoc.h"
  48 #include "insets/insetref.h"
  49 #include "insets/insetparent.h"
  50 #include "insets/insetindex.h"
  51 #include "insets/insetnote.h"
  52 #include "insets/insetinclude.h"
  53 #include "insets/insetcite.h"
  54 #include "insets/insetert.h"
  55 #include "insets/insetexternal.h"
  56 #include "insets/insetgraphics.h"
  57 #include "insets/insetfoot.h"
  58 #include "insets/insetmarginal.h"
  59 #include "insets/insetminipage.h"
  60 #include "insets/insetfloat.h"
  61 #include "insets/insettabular.h"
  62 #if 0
  63 #include "insets/insettheorem.h"
  64 #include "insets/insetlist.h"
  65 #endif
  66 #include "insets/insetcaption.h"
  67 #include "insets/insetfloatlist.h"
  68 #include "insets/insetspecialchar.h"
  69
  70 #include "mathed/formulabase.h"
  71
  72 #include "graphics/Previews.h"
  73
  74 #include "support/LAssert.h"
  75 #include "support/lstrings.h"
  76 #include "support/filetools.h"
  77 #include "support/lyxfunctional.h"
  78
  79 #include <boost/bind.hpp>
  80 #include <boost/signals/connection.hpp>
  81
  82 #include <cstdio>
  83 #include <ctime>
  84 #include <unistd.h>
  85 #include <sys/wait.h>
  86 #include <clocale>
  87
  88
  89 extern string current_layout;
  90
  91 #ifndef CXX_GLOBAL_CSTD
  92 using std::tm;
  93 using std::localtime;
  94 using std::time;
  95 using std::setlocale;
  96 using std::strftime;
  97 #endif
  98
  99 using std::vector;
 100 using std::find_if;
 101 using std::find;
 102 using std::pair;
 103 using std::endl;
 104 using std::make_pair;
 105 using std::min;
 106
 107 using lyx::pos_type;
 108 using lyx::textclass_type;
 109
 110 /* the selection possible is needed, that only motion events are
 111  * used, where the bottom press event was on the drawing area too */
 112 bool selection_possible = false;
 113
 114 extern BufferList bufferlist;
 115 extern char ascii_type;
 116
 117 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
 118
 119
 120 namespace {
 121
 122 unsigned int const saved_positions_num = 20;
 123
 124 // All the below connection objects are needed because of a bug in some
 125 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
 126 // to these connections we avoid a segfault upon startup, and also at exit.
 127 // (Lgb)
 128
 129 boost::signals::connection timecon;
 130 boost::signals::connection doccon;
 131 boost::signals::connection resizecon;
 132 boost::signals::connection bpresscon;
 133 boost::signals::connection breleasecon;
 134 boost::signals::connection motioncon;
 135 boost::signals::connection doublecon;
 136 boost::signals::connection triplecon;
 137 boost::signals::connection kpresscon;
 138 boost::signals::connection selectioncon;
 139 boost::signals::connection lostcon;
 140
 141 } // anon namespace
 142
 143
 144 BufferView::Pimpl::Pimpl(BufferView * b, LyXView * o,
 145              int xpos, int ypos, int width, int height)
 146         : bv_(b), owner_(o), buffer_(0), cursor_timeout(400),
 147           using_xterm_cursor(false)
 148 {
 149         workarea_.reset(WorkAreaFactory::create(xpos, ypos, width, height));
 150         screen_.reset(LyXScreenFactory::create(workarea()));
 151
 152         // Setup the signals
 153         doccon = workarea().scrollDocView.connect(boost::bind(&BufferView::Pimpl::scrollDocView, this, _1));
 154         resizecon = workarea().workAreaResize
 155                 .connect(boost::bind(&BufferView::Pimpl::workAreaResize, this));
 156         bpresscon = workarea().workAreaButtonPress
 157                 .connect(boost::bind(&BufferView::Pimpl::workAreaButtonPress, this, _1, _2, _3));
 158         breleasecon = workarea().workAreaButtonRelease
 159                 .connect(boost::bind(&BufferView::Pimpl::workAreaButtonRelease, this, _1, _2, _3));
 160         motioncon = workarea().workAreaMotionNotify
 161                 .connect(boost::bind(&BufferView::Pimpl::workAreaMotionNotify, this, _1, _2, _3));
 162         doublecon = workarea().workAreaDoubleClick
 163                 .connect(boost::bind(&BufferView::Pimpl::doubleClick, this, _1, _2, _3));
 164         triplecon = workarea().workAreaTripleClick
 165                 .connect(boost::bind(&BufferView::Pimpl::tripleClick, this, _1, _2, _3));
 166         kpresscon = workarea().workAreaKeyPress
 167                 .connect(boost::bind(&BufferView::Pimpl::workAreaKeyPress, this, _1, _2));
 168         selectioncon = workarea().selectionRequested
 169                 .connect(boost::bind(&BufferView::Pimpl::selectionRequested, this));
 170         lostcon = workarea().selectionLost
 171                 .connect(boost::bind(&BufferView::Pimpl::selectionLost, this));
 172
 173         timecon = cursor_timeout.timeout.connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
 174         cursor_timeout.start();
 175         saved_positions.resize(saved_positions_num);
 176 }
 177
 178
 179 WorkArea & BufferView::Pimpl::workarea() const
 180 {
 181         return *workarea_.get();
 182 }
 183
 184
 185 LyXScreen & BufferView::Pimpl::screen() const
 186 {
 187         return *screen_.get();
 188 }
 189
 190
 191 Painter & BufferView::Pimpl::painter() const
 192 {
 193         return workarea().getPainter();
 194 }
 195
 196
 197 void BufferView::Pimpl::buffer(Buffer * b)
 198 {
 199         lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
 200                             << b << ")" << endl;
 201         if (buffer_) {
 202                 buffer_->delUser(bv_);
 203
 204                 // Put the old text into the TextCache, but
 205                 // only if the buffer is still loaded.
 206                 // Also set the owner of the test to 0
 207                 //              bv_->text->owner(0);
 208                 textcache.add(buffer_, workarea().workWidth(), bv_->text);
 209                 if (lyxerr.debugging())
 210                         textcache.show(lyxerr, "BufferView::buffer");
 211
 212                 bv_->text = 0;
 213         }
 214
 215         // Set current buffer
 216         buffer_ = b;
 217
 218         if (bufferlist.getState() == BufferList::CLOSING) return;
 219
 220         // If we are closing the buffer, use the first buffer as current
 221         if (!buffer_) {
 222                 buffer_ = bufferlist.first();
 223         }
 224
 225         if (buffer_) {
 226                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
 227                 buffer_->addUser(bv_);
 228
 229                 // If we don't have a text object for this, we make one
 230                 if (bv_->text == 0) {
 231                         resizeCurrentBuffer();
 232                 }
 233
 234                 // FIXME: needed when ?
 235                 bv_->text->first_y = screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 236
 237                 // Similarly, buffer-dependent dialogs should be updated or
 238                 // hidden. This should go here because some dialogs (eg ToC)
 239                 // require bv_->text.
 240                 owner_->getDialogs()->updateBufferDependent(true);
 241         } else {
 242                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
 243                 owner_->getDialogs()->hideBufferDependent();
 244
 245                 // Also remove all remaining text's from the testcache.
 246                 // (there should not be any!) (if there is any it is a
 247                 // bug!)
 248                 if (lyxerr.debugging())
 249                         textcache.show(lyxerr, "buffer delete all");
 250                 textcache.clear();
 251         }
 252
 253         repaint();
 254         updateScrollbar();
 255         owner_->updateMenubar();
 256         owner_->updateToolbar();
 257         owner_->updateLayoutChoice();
 258         owner_->updateWindowTitle();
 259
 260         if (grfx::Previews::activated() && buffer_)
 261                 grfx::Previews::get().generateBufferPreviews(*buffer_);
 262 }
 263
 264
 265 bool BufferView::Pimpl::fitCursor()
 266 {
 267         bool ret;
 268
 269         if (bv_->theLockingInset()) {
 270                 bv_->theLockingInset()->fitInsetCursor(bv_);
 271                 ret = true;
 272         } else {
 273                 ret = screen().fitCursor(bv_->text, bv_);
 274         }
 275
 276         bv_->owner()->getDialogs()->updateParagraph();
 277         if (ret)
 278                 updateScrollbar();
 279         return ret;
 280 }
 281
 282
 283 void BufferView::Pimpl::redoCurrentBuffer()
 284 {
 285         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
 286         if (buffer_ && bv_->text) {
 287                 resizeCurrentBuffer();
 288                 owner_->updateLayoutChoice();
 289                 repaint();
 290         }
 291 }
 292
 293
 294 int BufferView::Pimpl::resizeCurrentBuffer()
 295 {
 296         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
 297
 298         Paragraph * par = 0;
 299         Paragraph * selstartpar = 0;
 300         Paragraph * selendpar = 0;
 301         UpdatableInset * the_locking_inset = 0;
 302
 303         pos_type pos = 0;
 304         pos_type selstartpos = 0;
 305         pos_type selendpos = 0;
 306         bool selection = false;
 307         bool mark_set  = false;
 308
 309         owner_->prohibitInput();
 310
 311         owner_->message(_("Formatting document..."));
 312
 313         if (bv_->text) {
 314                 par = bv_->text->cursor.par();
 315                 pos = bv_->text->cursor.pos();
 316                 selstartpar = bv_->text->selection.start.par();
 317                 selstartpos = bv_->text->selection.start.pos();
 318                 selendpar = bv_->text->selection.end.par();
 319                 selendpos = bv_->text->selection.end.pos();
 320                 selection = bv_->text->selection.set();
 321                 mark_set = bv_->text->selection.mark();
 322                 the_locking_inset = bv_->theLockingInset();
 323                 buffer_->resizeInsets(bv_);
 324                 // I don't think the delete and new are necessary here we just could
 325                 // call only init! (Jug 20020419)
 326                 delete bv_->text;
 327                 bv_->text = new LyXText(bv_);
 328                 bv_->text->init(bv_);
 329         } else {
 330                 // See if we have a text in TextCache that fits
 331                 // the new buffer_ with the correct width.
 332                 bv_->text = textcache.findFit(buffer_, workarea().workWidth());
 333                 if (bv_->text) {
 334                         if (lyxerr.debugging()) {
 335                                 lyxerr << "Found a LyXText that fits:\n";
 336                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea().workWidth(), bv_->text)));
 337                         }
 338                         // Set the owner of the newly found text
 339                         //      bv_->text->owner(bv_);
 340                         if (lyxerr.debugging())
 341                                 textcache.show(lyxerr, "resizeCurrentBuffer");
 342                 } else {
 343                         bv_->text = new LyXText(bv_);
 344                         bv_->text->init(bv_);
 345                         //buffer_->resizeInsets(bv_);
 346                 }
 347         }
 348
 349         if (par) {
 350                 bv_->text->selection.set(true);
 351                 // At this point just to avoid the Delete-Empty-Paragraph-
 352                 // Mechanism when setting the cursor.
 353                 bv_->text->selection.mark(mark_set);
 354                 if (selection) {
 355                         bv_->text->setCursor(bv_, selstartpar, selstartpos);
 356                         bv_->text->selection.cursor = bv_->text->cursor;
 357                         bv_->text->setCursor(bv_, selendpar, selendpos);
 358                         bv_->text->setSelection(bv_);
 359                         bv_->text->setCursor(bv_, par, pos);
 360                 } else {
 361                         bv_->text->setCursor(bv_, par, pos);
 362                         bv_->text->selection.cursor = bv_->text->cursor;
 363                         bv_->text->selection.set(false);
 364                 }
 365                 // remake the inset locking
 366                 bv_->theLockingInset(the_locking_inset);
 367         }
 368
 369         bv_->text->first_y = screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 370
 371         switchKeyMap();
 372         owner_->allowInput();
 373
 374         /// clear the "Formatting Document" message
 375         owner_->message("");
 376
 377         return 0;
 378 }
 379
 380
 381 void BufferView::Pimpl::repaint()
 382 {
 383         // Regenerate the screen.
 384         screen().redraw(bv_->text, bv_);
 385 }
 386
 387
 388 void BufferView::Pimpl::updateScrollbar()
 389 {
 390         if (!bv_->text) {
 391                 lyxerr[Debug::GUI] << "no text in updateScrollbar" << endl;
 392                 workarea().setScrollbarParams(0, 0, 0);
 393                 return;
 394         }
 395
 396         LyXText const & t = *bv_->text;
 397
 398         lyxerr[Debug::GUI] << "Updating scrollbar: h " << t.height << ", first_y "
 399                 << t.first_y << ", default height " << t.defaultHeight() << endl;
 400
 401         workarea().setScrollbarParams(t.height, t.first_y, t.defaultHeight());
 402 }
 403
 404
 405 void BufferView::Pimpl::scrollDocView(int value)
 406 {
 407         lyxerr[Debug::GUI] << "scrollDocView of " << value << endl;
 408
 409         if (!buffer_) return;
 410
 411         screen().draw(bv_->text, bv_, value);
 412
 413         if (!lyxrc.cursor_follows_scrollbar) {
 414                 return;
 415         }
 416
 417         LyXText * vbt = bv_->text;
 418
 419         int const height = vbt->defaultHeight();
 420         int const first = static_cast<int>((bv_->text->first_y + height));
 421         int const last = static_cast<int>((bv_->text->first_y + workarea().workHeight() - height));
 422
 423         if (vbt->cursor.y() < first)
 424                 vbt->setCursorFromCoordinates(bv_, 0, first);
 425         else if (vbt->cursor.y() > last)
 426                 vbt->setCursorFromCoordinates(bv_, 0, last);
 427 }
 428
 429
 430 int BufferView::Pimpl::scroll(long time)
 431 {
 432         if (!buffer_)
 433                 return 0;
 434
 435         LyXText const * t = bv_->text;
 436
 437         double const diff = t->defaultHeight()
 438                 + double(time) * double(time) * 0.125;
 439
 440         scrollDocView(int(diff));
 441         workarea().setScrollbarParams(t->height, t->first_y, t->defaultHeight());
 442         return 0;
 443 }
 444
 445
 446 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
 447                                          key_modifier::state state)
 448 {
 449         bv_->owner()->getLyXFunc()->processKeySym(key, state);
 450 }
 451
 452
 453 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, mouse_button::state state)
 454 {
 455         // Only use motion with button 1
 456         if (!(state & mouse_button::button1))
 457                 return;
 458
 459         if (!buffer_)
 460                 return;
 461
 462         // Check for inset locking
 463         if (bv_->theLockingInset()) {
 464                 LyXCursor cursor = bv_->text->cursor;
 465                 LyXFont font = bv_->text->getFont(buffer_,
 466                                                   cursor.par(), cursor.pos());
 467                 int width = bv_->theLockingInset()->width(bv_, font);
 468                 int inset_x = font.isVisibleRightToLeft()
 469                         ? cursor.ix() - width : cursor.ix();
 470                 int start_x = inset_x + bv_->theLockingInset()->scroll();
 471
 472                 bv_->theLockingInset()->
 473                         insetMotionNotify(bv_,
 474                                           x - start_x,
 475                                           y - cursor.iy() + bv_->text->first_y,
 476                                           state);
 477                 return;
 478         }
 479
 480         /* The test for not selection possible is needed, that only motion
 481            events are used, where the bottom press event was on
 482            the drawing area too */
 483         if (!selection_possible)
 484                 return;
 485
 486         screen().hideCursor();
 487
 488         Row * cursorrow = bv_->text->cursor.row();
 489         bv_->text->setCursorFromCoordinates(bv_, x, y + bv_->text->first_y);
 490 #if 0
 491         // sorry for this but I have a strange error that the y value jumps at
 492         // a certain point. This seems like an error in my xforms library or
 493         // in some other local environment, but I would like to leave this here
 494         // for the moment until I can remove this (Jug 20020418)
 495         if (y_before < bv_->text->cursor.y())
 496                 lyxerr << y_before << ":" << bv_->text->cursor.y() << endl;
 497 #endif
 498         // This is to allow jumping over large insets
 499         if (cursorrow == bv_->text->cursor.row()) {
 500                 if (y >= int(workarea().workHeight())) {
 501                         bv_->text->cursorDown(bv_, false);
 502                 } else if (y < 0) {
 503                         bv_->text->cursorUp(bv_, false);
 504                 }
 505         }
 506
 507         if (!bv_->text->selection.set())
 508                 update(bv_->text, BufferView::UPDATE); // Maybe an empty line was deleted
 509
 510         bv_->text->setSelection(bv_);
 511         screen().toggleToggle(bv_->text, bv_);
 512         fitCursor();
 513         showCursor();
 514 }
 515
 516
 517 // Single-click on work area
 518 void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
 519                                             mouse_button::state button)
 520 {
 521         if (!buffer_)
 522                 return;
 523
 524         // ok ok, this is a hack (for xforms)
 525         if (button == mouse_button::button4) {
 526                 scroll(-lyxrc.wheel_jump);
 527                 // We shouldn't go further down as we really should only do the
 528                 // scrolling and be done with this. Otherwise we may open some
 529                 // dialogs (Jug 20020424).
 530                 return;
 531         } else if (button == mouse_button::button5) {
 532                 scroll(lyxrc.wheel_jump);
 533                 // We shouldn't go further down as we really should only do the
 534                 // scrolling and be done with this. Otherwise we may open some
 535                 // dialogs (Jug 20020424).
 536                 return;
 537         }
 538
 539         Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos);
 540
 541         // Middle button press pastes if we have a selection
 542         // We do this here as if the selection was inside an inset
 543         // it could get cleared on the unlocking of the inset so
 544         // we have to check this first
 545         bool paste_internally = false;
 546         if (button == mouse_button::button2 && bv_->getLyXText()->selection.set()) {
 547                 owner_->getLyXFunc()->dispatch(LFUN_COPY);
 548                 paste_internally = true;
 549         }
 550
 551         int const screen_first = bv_->text->first_y;
 552
 553         if (bv_->theLockingInset()) {
 554                 // We are in inset locking mode
 555
 556                 /* Check whether the inset was hit. If not reset mode,
 557                    otherwise give the event to the inset */
 558                 if (inset_hit == bv_->theLockingInset()) {
 559                         bv_->theLockingInset()->
 560                                 insetButtonPress(bv_, xpos, ypos, button);
 561                         return;
 562                 } else {
 563                         bv_->unlockInset(bv_->theLockingInset());
 564                 }
 565         }
 566
 567         if (!inset_hit)
 568                 selection_possible = true;
 569         screen().hideCursor();
 570
 571         // Clear the selection
 572         screen().toggleSelection(bv_->text, bv_);
 573         bv_->text->clearSelection();
 574         bv_->text->fullRebreak(bv_);
 575         update();
 576         updateScrollbar();
 577
 578         // Single left click in math inset?
 579         if (isHighlyEditableInset(inset_hit)) {
 580                 // Highly editable inset, like math
 581                 UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
 582                 selection_possible = false;
 583                 owner_->updateLayoutChoice();
 584                 owner_->message(inset->editMessage());
 585                 //inset->edit(bv_, xpos, ypos, button);
 586                 // We just have to lock the inset before calling a PressEvent on it!
 587                 // we don't need the edit() call here! (Jug20020329)
 588                 if (!bv_->lockInset(inset)) {
 589                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 590                 }
 591                 inset->insetButtonPress(bv_, xpos, ypos, button);
 592                 return;
 593         }
 594         // I'm not sure we should continue here if we hit an inset (Jug20020403)
 595
 596         // Right click on a footnote flag opens float menu
 597         if (button == mouse_button::button3) {
 598                 selection_possible = false;
 599                 return;
 600         }
 601
 602         if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
 603                 bv_->text->setCursorFromCoordinates(bv_, xpos, ypos + screen_first);
 604         finishUndo();
 605         bv_->text->selection.cursor = bv_->text->cursor;
 606         bv_->text->cursor.x_fix(bv_->text->cursor.x());
 607
 608         owner_->updateLayoutChoice();
 609         if (fitCursor()) {
 610                 selection_possible = false;
 611         }
 612
 613         // Insert primary selection with middle mouse
 614         // if there is a local selection in the current buffer,
 615         // insert this
 616         if (button == mouse_button::button2) {
 617                 if (paste_internally)
 618                         owner_->getLyXFunc()->dispatch(LFUN_PASTE);
 619                 else
 620                         owner_->getLyXFunc()->dispatch(LFUN_PASTESELECTION,
 621                                                        string("paragraph"));
 622                 selection_possible = false;
 623                 return;
 624         }
 625 }
 626
 627
 628 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, mouse_button::state button)
 629 {
 630         if (!buffer_)
 631                 return;
 632
 633         LyXText * text = bv_->getLyXText();
 634
 635         if (text->bv_owner && bv_->theLockingInset())
 636                 return;
 637
 638         if (button == mouse_button::button1) {
 639                 if (text->bv_owner) {
 640                         screen().hideCursor();
 641                         screen().toggleSelection(text, bv_);
 642                         text->selectWord(bv_, LyXText::WHOLE_WORD_STRICT);
 643                         screen().toggleSelection(text, bv_, false);
 644                 } else {
 645                         text->selectWord(bv_, LyXText::WHOLE_WORD_STRICT);
 646                 }
 647                 /* This will fit the cursor on the screen
 648                  * if necessary */
 649                 update(text, BufferView::SELECT|BufferView::FITCUR);
 650         }
 651 }
 652
 653
 654 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, mouse_button::state button)
 655 {
 656         if (!buffer_)
 657                 return;
 658
 659         LyXText * text = bv_->getLyXText();
 660
 661         if (text->bv_owner && bv_->theLockingInset())
 662             return;
 663
 664         if (button == mouse_button::button1) {
 665                 if (text->bv_owner) {
 666                         screen().hideCursor();
 667                         screen().toggleSelection(text, bv_);
 668                 }
 669                 text->cursorHome(bv_);
 670                 text->selection.cursor = text->cursor;
 671                 text->cursorEnd(bv_);
 672                 text->setSelection(bv_);
 673                 if (text->bv_owner) {
 674                         screen().toggleSelection(text, bv_, false);
 675                 }
 676                 /* This will fit the cursor on the screen
 677                  * if necessary */
 678                 update(text, BufferView::SELECT|BufferView::FITCUR);
 679         }
 680 }
 681
 682
 683 void BufferView::Pimpl::selectionRequested()
 684 {
 685         static string sel;
 686
 687         if (!available())
 688                 return;
 689
 690         LyXText * text = bv_->getLyXText();
 691
 692         if (text->selection.set() &&
 693                 (!bv_->text->xsel_cache.set() ||
 694                  text->selection.start != bv_->text->xsel_cache.start ||
 695                  text->selection.end != bv_->text->xsel_cache.end))
 696         {
 697                 bv_->text->xsel_cache = text->selection;
 698                 sel = text->selectionAsString(bv_->buffer(), false);
 699         } else if (!text->selection.set()) {
 700                 sel = string();
 701                 bv_->text->xsel_cache.set(false);
 702         }
 703         if (!sel.empty()) {
 704                 workarea().putClipboard(sel);
 705         }
 706 }
 707
 708
 709 void BufferView::Pimpl::selectionLost()
 710 {
 711         if (available()) {
 712                 hideCursor();
 713                 toggleSelection();
 714                 bv_->getLyXText()->clearSelection();
 715                 showCursor();
 716                 bv_->text->xsel_cache.set(false);
 717         }
 718 }
 719
 720
 721 void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
 722                                               mouse_button::state button)
 723 {
 724         // do nothing if we used the mouse wheel
 725         if (!buffer_ || button == mouse_button::button4 || button == mouse_button::button5)
 726                 return;
 727
 728         // If we hit an inset, we have the inset coordinates in these
 729         // and inset_hit points to the inset.  If we do not hit an
 730         // inset, inset_hit is 0, and inset_x == x, inset_y == y.
 731         Inset * inset_hit = checkInsetHit(bv_->text, x, y);
 732
 733         if (bv_->theLockingInset()) {
 734                 // We are in inset locking mode.
 735
 736                 /* LyX does a kind of work-area grabbing for insets.
 737                    Only a ButtonPress Event outside the inset will
 738                    force a insetUnlock. */
 739                 bv_->theLockingInset()->
 740                         insetButtonRelease(bv_, x, y, button);
 741                 return;
 742         }
 743
 744         selection_possible = false;
 745
 746         if (button == mouse_button::button2)
 747                 return;
 748
 749         // finish selection
 750         if (button == mouse_button::button1) {
 751                 workarea().haveSelection(bv_->getLyXText()->selection.set());
 752         }
 753
 754         switchKeyMap();
 755         owner_->view_state_changed();
 756         owner_->updateMenubar();
 757         owner_->updateToolbar();
 758
 759         // Did we hit an editable inset?
 760         if (inset_hit) {
 761                 selection_possible = false;
 762
 763                 // if we reach this point with a selection, it
 764                 // must mean we are currently selecting.
 765                 // But we don't want to open the inset
 766                 // because that is annoying for the user.
 767                 // So just pretend we didn't hit it.
 768                 // this is OK because a "kosher" ButtonRelease
 769                 // will follow a ButtonPress that clears
 770                 // the selection.
 771                 // Note this also fixes selection drawing
 772                 // problems if we end up opening an inset
 773                 if (bv_->getLyXText()->selection.set())
 774                         return;
 775
 776                 // CHECK fix this proper in 0.13
 777                 // well, maybe 13.0 !!!!!!!!!
 778
 779                 // Following a ref shouldn't issue
 780                 // a push on the undo-stack
 781                 // anylonger, now that we have
 782                 // keybindings for following
 783                 // references and returning from
 784                 // references.  IMHO though, it
 785                 // should be the inset's own business
 786                 // to push or not push on the undo
 787                 // stack. They don't *have* to
 788                 // alter the document...
 789                 // (Joacim)
 790                 // ...or maybe the SetCursorParUndo()
 791                 // below isn't necessary at all anylonger?
 792                 if (inset_hit->lyxCode() == Inset::REF_CODE) {
 793                         setCursorParUndo(bv_);
 794                 }
 795
 796                 owner_->message(inset_hit->editMessage());
 797
 798                 if (isHighlyEditableInset(inset_hit)) {
 799                         // Highly editable inset, like math
 800                         UpdatableInset *inset = (UpdatableInset *)inset_hit;
 801                         inset->insetButtonRelease(bv_, x, y, button);
 802                 } else {
 803                         inset_hit->insetButtonRelease(bv_, x, y, button);
 804                         // IMO this is a grosshack! Inset's should be changed so that
 805                         // they call the actions they have to do with the insetButtonRel.
 806                         // function and not in the edit(). This should be changed
 807                         // (Jug 20020329)
 808                         inset_hit->edit(bv_, x, y, button);
 809                 }
 810                 return;
 811         }
 812
 813         // Maybe we want to edit a bibitem ale970302
 814         if (bv_->text->cursor.par()->bibkey) {
 815                 bool const is_rtl = bv_->text->cursor.par()->isRightToLeftPar(buffer_->params);
 816                 int const width = bibitemMaxWidth(bv_, buffer_->params.getLyXTextClass().defaultfont());
 817                 if ((is_rtl && x > bv_->text->workWidth(bv_)-20-width) ||
 818                     (!is_rtl && x < 20+width)) {
 819                         bv_->text->cursor.par()->bibkey->edit(bv_, 0, 0, mouse_button::none);
 820                 }
 821         }
 822
 823         return;
 824 }
 825
 826
 827 Box BufferView::Pimpl::insetDimensions(LyXText const & text,
 828                                        LyXCursor const & cursor) const
 829 {
 830         Paragraph /*const*/ & par = *cursor.par();
 831         pos_type const pos = cursor.pos();
 832
 833         lyx::Assert(par.getInset(pos));
 834
 835         Inset const & inset(*par.getInset(pos));
 836
 837         LyXFont const & font = text.getFont(buffer_, &par, pos);
 838
 839         int const width = inset.width(bv_, font);
 840         int const inset_x = font.isVisibleRightToLeft()
 841                 ? (cursor.ix() - width) : cursor.ix();
 842
 843         return Box(
 844                 inset_x + inset.scroll(),
 845                 inset_x + width,
 846                 cursor.iy() - inset.ascent(bv_, font),
 847                 cursor.iy() + inset.descent(bv_, font));
 848 }
 849
 850
 851 Inset * BufferView::Pimpl::checkInset(LyXText const & text,
 852                                       LyXCursor const & cursor,
 853                                       int & x, int & y) const
 854 {
 855         pos_type const pos(cursor.pos());
 856         Paragraph /*const*/ & par(*cursor.par());
 857
 858         if (pos >= par.size() || !par.isInset(pos)) {
 859                 return 0;
 860         }
 861
 862         Inset /*const*/ * inset = par.getInset(pos);
 863
 864         if (!isEditableInset(inset)) {
 865                 return 0;
 866         }
 867
 868         Box b(insetDimensions(text, cursor));
 869
 870         if (!b.contained(x, y)) {
 871                 lyxerr[Debug::GUI] << "Missed inset at x,y " << x << "," << y
 872                         << " box " << b << endl;
 873                 return 0;
 874         }
 875
 876         text.setCursor(bv_, &par, pos, true);
 877
 878         x -= b.x1;
 879         // The origin of an inset is on the baseline
 880         y -= text.cursor.iy();
 881
 882         return inset;
 883 }
 884
 885
 886 Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y)
 887 {
 888         int y_tmp = y + text->first_y;
 889
 890         LyXCursor cursor;
 891         text->setCursorFromCoordinates(bv_, cursor, x, y_tmp);
 892
 893         Inset * inset(checkInset(*text, cursor, x, y_tmp));
 894
 895         if (inset) {
 896                 y = y_tmp;
 897                 return inset;
 898         }
 899
 900         // look at previous position
 901
 902         if (cursor.pos() == 0) {
 903                 return 0;
 904         }
 905
 906         // move back one
 907         text->setCursor(bv_, cursor, cursor.par(), cursor.pos() - 1, true);
 908
 909         inset = checkInset(*text, cursor, x, y_tmp);
 910         if (inset) {
 911                 y = y_tmp;
 912         }
 913         return inset;
 914 }
 915
 916
 917 void BufferView::Pimpl::workAreaResize()
 918 {
 919         static int work_area_width;
 920         static int work_area_height;
 921
 922         bool const widthChange = workarea().workWidth() != work_area_width;
 923         bool const heightChange = workarea().workHeight() != work_area_height;
 924
 925         // update from work area
 926         work_area_width = workarea().workWidth();
 927         work_area_height = workarea().workHeight();
 928
 929         if (buffer_ != 0) {
 930                 if (widthChange) {
 931                         // The visible LyXView need a resize
 932                         resizeCurrentBuffer();
 933
 934                         // Remove all texts from the textcache
 935                         // This is not _really_ what we want to do. What
 936                         // we really want to do is to delete in textcache
 937                         // that does not have a BufferView with matching
 938                         // width, but as long as we have only one BufferView
 939                         // deleting all gives the same result.
 940                         if (lyxerr.debugging())
 941                                 textcache.show(lyxerr, "Expose delete all");
 942                         textcache.clear();
 943                         // FIXME: this is aalready done in resizeCurrentBuffer() ??
 944                         buffer_->resizeInsets(bv_);
 945                 } else if (heightChange) {
 946                         // fitCursor() ensures we don't jump back
 947                         // to the start of the document on vertical
 948                         // resize
 949                         fitCursor();
 950                 }
 951         }
 952
 953         if (widthChange || heightChange) {
 954                 repaint();
 955         }
 956
 957         // always make sure that the scrollbar is sane.
 958         updateScrollbar();
 959         owner_->updateLayoutChoice();
 960         return;
 961 }
 962
 963
 964 void BufferView::Pimpl::update()
 965 {
 966         if (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()) {
 967                 LyXText::text_status st = bv_->text->status();
 968                 screen().update(bv_->text, bv_);
 969                 bool fitc = false;
 970                 while (bv_->text->status() == LyXText::CHANGED_IN_DRAW) {
 971                         bv_->text->fullRebreak(bv_);
 972                         st = LyXText::NEED_MORE_REFRESH;
 973                         bv_->text->setCursor(bv_, bv_->text->cursor.par(),
 974                                              bv_->text->cursor.pos());
 975                         if (bv_->text->selection.set()) {
 976                                 bv_->text->setCursor(bv_, bv_->text->selection.start,
 977                                                      bv_->text->selection.start.par(),
 978                                                      bv_->text->selection.start.pos());
 979                                 bv_->text->setCursor(bv_, bv_->text->selection.end,
 980                                                      bv_->text->selection.end.par(),
 981                                                      bv_->text->selection.end.pos());
 982                         }
 983                         fitc = true;
 984                         bv_->text->status(bv_, st);
 985                         screen().update(bv_->text, bv_);
 986                 }
 987                 // do this here instead of in the screen::update because of
 988                 // the above loop!
 989                 bv_->text->status(bv_, LyXText::UNCHANGED);
 990                 if (fitc)
 991                         fitCursor();
 992         }
 993 }
 994
 995 // Values used when calling update:
 996 // -3 - update
 997 // -2 - update, move sel_cursor if selection, fitcursor
 998 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
 999 //  0 - update, move sel_cursor if selection, fitcursor
1000 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
1001 //  3 - update, move sel_cursor if selection
1002 //
1003 // update -
1004 // a simple redraw of the parts that need refresh
1005 //
1006 // move sel_cursor if selection -
1007 // the text's sel_cursor is moved if there is selection is progress
1008 //
1009 // fitcursor -
1010 // fitCursor() is called and the scrollbar updated
1011 //
1012 // mark dirty -
1013 // the buffer is marked dirty.
1014 //
1015 // enum {
1016 //       UPDATE = 0,
1017 //       SELECT = 1,
1018 //       FITCUR = 2,
1019 //       CHANGE = 4
1020 // };
1021 //
1022 // UPDATE_ONLY = UPDATE;
1023 // UPDATE_SELECT = UPDATE | SELECT;
1024 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
1025 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
1026 //
1027 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
1028 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
1029 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1030 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1031 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
1032
1033 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
1034 {
1035         owner_->updateLayoutChoice();
1036
1037         if (!text->selection.set() && (f & SELECT)) {
1038                 text->selection.cursor = text->cursor;
1039         }
1040
1041         text->fullRebreak(bv_);
1042
1043         if (text->inset_owner) {
1044                 text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
1045                 updateInset(text->inset_owner, false);
1046         } else {
1047                 update();
1048         }
1049
1050         if ((f & FITCUR)) {
1051                 fitCursor();
1052         }
1053
1054         if ((f & CHANGE)) {
1055                 buffer_->markDirty();
1056         }
1057 }
1058
1059
1060 // Callback for cursor timer
1061 void BufferView::Pimpl::cursorToggle()
1062 {
1063         if (!buffer_) {
1064                 cursor_timeout.restart();
1065                 return;
1066         }
1067
1068         /* FIXME */
1069         extern void reapSpellchecker(void);
1070         reapSpellchecker();
1071
1072         if (!bv_->theLockingInset()) {
1073                 screen().cursorToggle(bv_);
1074         } else {
1075                 bv_->theLockingInset()->toggleInsetCursor(bv_);
1076         }
1077
1078         cursor_timeout.restart();
1079 }
1080
1081
1082 void BufferView::Pimpl::cursorPrevious(LyXText * text)
1083 {
1084         if (!text->cursor.row()->previous()) {
1085                 if (text->first_y > 0) {
1086                         int new_y = bv_->text->first_y - workarea().workHeight();
1087                         screen().draw(bv_->text, bv_, new_y < 0 ? 0 : new_y);
1088                         updateScrollbar();
1089                 }
1090                 return;
1091         }
1092
1093         int y = text->first_y;
1094         Row * cursorrow = text->cursor.row();
1095
1096         text->setCursorFromCoordinates(bv_, text->cursor.x_fix(), y);
1097         finishUndo();
1098
1099         int new_y;
1100         if (cursorrow == bv_->text->cursor.row()) {
1101                 // we have a row which is higher than the workarea so we leave the
1102                 // cursor on the start of the row and move only the draw up as soon
1103                 // as we move the cursor or do something while inside the row (it may
1104                 // span several workarea-heights) we'll move to the top again, but this
1105                 // is better than just jump down and only display part of the row.
1106                 new_y = bv_->text->first_y - workarea().workHeight();
1107         } else {
1108                 if (text->inset_owner) {
1109                         new_y = bv_->text->cursor.iy()
1110                                 + bv_->theLockingInset()->insetInInsetY() + y
1111                                 + text->cursor.row()->height()
1112                                 - workarea().workHeight() + 1;
1113                 } else {
1114                         new_y = text->cursor.y()
1115                                 - text->cursor.row()->baseline()
1116                                 + text->cursor.row()->height()
1117                                 - workarea().workHeight() + 1;
1118                 }
1119         }
1120         screen().draw(bv_->text, bv_,  new_y < 0 ? 0 : new_y);
1121         if (text->cursor.row()->previous()) {
1122                 LyXCursor cur;
1123                 text->setCursor(bv_, cur, text->cursor.row()->previous()->par(),
1124                                                 text->cursor.row()->previous()->pos(), false);
1125                 if (cur.y() > text->first_y) {
1126                         text->cursorUp(bv_, true);
1127                 }
1128         }
1129         updateScrollbar();
1130 }
1131
1132
1133 void BufferView::Pimpl::cursorNext(LyXText * text)
1134 {
1135         if (!text->cursor.row()->next()) {
1136                 int y = text->cursor.y() - text->cursor.row()->baseline() +
1137                         text->cursor.row()->height();
1138                 if (y > int(text->first_y + workarea().workHeight())) {
1139                         screen().draw(bv_->text, bv_,
1140                                                   bv_->text->first_y + workarea().workHeight());
1141                         updateScrollbar();
1142                 }
1143                 return;
1144         }
1145
1146         int y = text->first_y + workarea().workHeight();
1147         if (text->inset_owner && !text->first_y) {
1148                 y -= (bv_->text->cursor.iy()
1149                           - bv_->text->first_y
1150                           + bv_->theLockingInset()->insetInInsetY());
1151         }
1152
1153         text->getRowNearY(y);
1154
1155         Row * cursorrow = text->cursor.row();
1156         text->setCursorFromCoordinates(bv_, text->cursor.x_fix(), y); // + workarea().workHeight());
1157         finishUndo();
1158
1159         int new_y;
1160         if (cursorrow == bv_->text->cursor.row()) {
1161                 // we have a row which is higher than the workarea so we leave the
1162                 // cursor on the start of the row and move only the draw down as soon
1163                 // as we move the cursor or do something while inside the row (it may
1164                 // span several workarea-heights) we'll move to the top again, but this
1165                 // is better than just jump down and only display part of the row.
1166                 new_y = bv_->text->first_y + workarea().workHeight();
1167         } else {
1168                 if (text->inset_owner) {
1169                         new_y = bv_->text->cursor.iy()
1170                                 + bv_->theLockingInset()->insetInInsetY()
1171                                 + y - text->cursor.row()->baseline();
1172                 } else {
1173                         new_y =  text->cursor.y() - text->cursor.row()->baseline();
1174                 }
1175         }
1176         screen().draw(bv_->text, bv_, new_y);
1177         if (text->cursor.row()->next()) {
1178                 LyXCursor cur;
1179                 text->setCursor(bv_, cur, text->cursor.row()->next()->par(),
1180                                                 text->cursor.row()->next()->pos(), false);
1181                 if (cur.y() < int(text->first_y + workarea().workHeight())) {
1182                         text->cursorDown(bv_, true);
1183                 }
1184         }
1185         updateScrollbar();
1186 }
1187
1188
1189 bool BufferView::Pimpl::available() const
1190 {
1191         if (buffer_ && bv_->text)
1192                 return true;
1193         return false;
1194 }
1195
1196
1197 void BufferView::Pimpl::beforeChange(LyXText * text)
1198 {
1199         toggleSelection();
1200         text->clearSelection();
1201 }
1202
1203
1204 void BufferView::Pimpl::savePosition(unsigned int i)
1205 {
1206         if (i >= saved_positions_num)
1207                 return;
1208         saved_positions[i] = Position(buffer_->fileName(),
1209                                       bv_->text->cursor.par()->id(),
1210                                       bv_->text->cursor.pos());
1211         if (i > 0) {
1212                 ostringstream str;
1213                 str << _("Saved bookmark") << ' ' << i;
1214                 owner_->message(str.str().c_str());
1215         }
1216 }
1217
1218
1219 void BufferView::Pimpl::restorePosition(unsigned int i)
1220 {
1221         if (i >= saved_positions_num)
1222                 return;
1223
1224         string const fname = saved_positions[i].filename;
1225
1226         beforeChange(bv_->text);
1227
1228         if (fname != buffer_->fileName()) {
1229                 Buffer * b = bufferlist.exists(fname) ?
1230                         bufferlist.getBuffer(fname) :
1231                         bufferlist.loadLyXFile(fname); // don't ask, just load it
1232                 if (b != 0) buffer(b);
1233         }
1234
1235         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
1236         if (!par)
1237                 return;
1238
1239         bv_->text->setCursor(bv_, par,
1240                              min(par->size(), saved_positions[i].par_pos));
1241
1242         update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
1243         if (i > 0) {
1244                 ostringstream str;
1245                 str << _("Moved to bookmark") << ' ' << i;
1246                 owner_->message(str.str().c_str());
1247         }
1248 }
1249
1250
1251 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
1252 {
1253         if (i >= saved_positions_num)
1254                 return false;
1255
1256         return !saved_positions[i].filename.empty();
1257 }
1258
1259
1260 void BufferView::Pimpl::switchKeyMap()
1261 {
1262         if (!lyxrc.rtl_support)
1263                 return;
1264
1265         LyXText * text = bv_->getLyXText();
1266         if (text->real_current_font.isRightToLeft()
1267             && !(bv_->theLockingInset()
1268                  && bv_->theLockingInset()->lyxCode()== Inset::ERT_CODE))
1269         {
1270                 if (owner_->getIntl()->keymap == Intl::PRIMARY)
1271                         owner_->getIntl()->KeyMapSec();
1272         } else {
1273                 if (owner_->getIntl()->keymap == Intl::SECONDARY)
1274                         owner_->getIntl()->KeyMapPrim();
1275         }
1276 }
1277
1278
1279 void BufferView::Pimpl::insetUnlock()
1280 {
1281         if (bv_->theLockingInset()) {
1282                 bv_->theLockingInset()->insetUnlock(bv_);
1283                 bv_->theLockingInset(0);
1284                 finishUndo();
1285         }
1286 }
1287
1288
1289 void BufferView::Pimpl::showCursor()
1290 {
1291         if (bv_->theLockingInset())
1292                 bv_->theLockingInset()->showInsetCursor(bv_);
1293         else
1294                 screen().showCursor(bv_->text, bv_);
1295 }
1296
1297
1298 void BufferView::Pimpl::hideCursor()
1299 {
1300         if (!bv_->theLockingInset())
1301                 screen().hideCursor();
1302 }
1303
1304
1305 void BufferView::Pimpl::toggleSelection(bool b)
1306 {
1307         if (bv_->theLockingInset())
1308                 bv_->theLockingInset()->toggleSelection(bv_, b);
1309         screen().toggleSelection(bv_->text, bv_, b);
1310 }
1311
1312
1313 void BufferView::Pimpl::toggleToggle()
1314 {
1315         screen().toggleToggle(bv_->text, bv_);
1316 }
1317
1318
1319 void BufferView::Pimpl::center()
1320 {
1321         LyXText * t = bv_->text;
1322
1323         beforeChange(t);
1324         int const half_height = workarea().workHeight() / 2;
1325         int new_y = 0;
1326
1327         if (t->cursor.y() > half_height) {
1328                 new_y = t->cursor.y() - half_height;
1329         }
1330
1331         // FIXME: can we do this w/o calling screen directly ?
1332         // This updates first_y but means the fitCursor() call
1333         // from the update(FITCUR) doesn't realise that we might
1334         // have moved (e.g. from GOTOPARAGRAPH), so doesn't cause
1335         // the scrollbar to be updated as it should, so we have
1336         // to do it manually. Any operation that does a center()
1337         // and also might have moved first_y must make sure to call
1338         // updateScrollbar() currently. Never mind that this is a
1339         // pretty obfuscated way of updating t->first_y
1340         screen().draw(t, bv_, new_y);
1341
1342         update(t, BufferView::SELECT | BufferView::FITCUR);
1343 }
1344
1345
1346 void BufferView::Pimpl::pasteClipboard(bool asPara)
1347 {
1348         if (!buffer_)
1349                 return;
1350
1351         screen().hideCursor();
1352         beforeChange(bv_->text);
1353
1354         string const clip(workarea().getClipboard());
1355
1356         if (clip.empty())
1357                 return;
1358
1359         if (asPara) {
1360                 bv_->getLyXText()->insertStringAsParagraphs(bv_, clip);
1361         } else {
1362                 bv_->getLyXText()->insertStringAsLines(bv_, clip);
1363         }
1364         bv_->getLyXText()->clearSelection();
1365         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1366 }
1367
1368
1369 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
1370 {
1371         workarea().putClipboard(stuff);
1372 }
1373
1374
1375 /*
1376  * Dispatch functions for actions which can be valid for BufferView->text
1377  * and/or InsetText->text!!!
1378  */
1379
1380
1381 inline
1382 void BufferView::Pimpl::moveCursorUpdate(bool selecting, bool fitcur)
1383 {
1384         LyXText * lt = bv_->getLyXText();
1385
1386         if (selecting || lt->selection.mark()) {
1387                 lt->setSelection(bv_);
1388                 if (lt->bv_owner)
1389                         toggleToggle();
1390                 else
1391                         updateInset(lt->inset_owner, false);
1392         }
1393         if (lt->bv_owner) {
1394                 if (fitcur)
1395                         update(lt, BufferView::SELECT|BufferView::FITCUR);
1396                 else
1397                         update(lt, BufferView::SELECT);
1398                 showCursor();
1399         } else if (bv_->text->status() != LyXText::UNCHANGED) {
1400                 bv_->theLockingInset()->hideInsetCursor(bv_);
1401                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1402                 showCursor();
1403         }
1404
1405         if (!lt->selection.set())
1406                 workarea().haveSelection(false);
1407
1408         switchKeyMap();
1409 }
1410
1411
1412 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
1413 {
1414         LyXCursor cursor = bv_->getLyXText()->cursor;
1415         Buffer::inset_iterator it =
1416                 find_if(Buffer::inset_iterator(
1417                         cursor.par(), cursor.pos()),
1418                         buffer_->inset_iterator_end(),
1419                         lyx::compare_memfun(&Inset::lyxCode, code));
1420         return it != buffer_->inset_iterator_end() ? (*it) : 0;
1421 }
1422
1423
1424 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
1425 {
1426         string filename = filen;
1427
1428         if (filename.empty()) {
1429                 // Launch a file browser
1430                 string initpath = lyxrc.document_path;
1431
1432                 if (available()) {
1433                         string const trypath = owner_->buffer()->filePath();
1434                         // If directory is writeable, use this as default.
1435                         if (IsDirWriteable(trypath))
1436                                 initpath = trypath;
1437                 }
1438
1439                 FileDialog fileDlg(bv_->owner(),
1440                                    _("Select LyX document to insert"),
1441                         LFUN_FILE_INSERT,
1442                         make_pair(string(_("Documents|#o#O")),
1443                                   string(lyxrc.document_path)),
1444                         make_pair(string(_("Examples|#E#e")),
1445                                   string(AddPath(system_lyxdir, "examples"))));
1446
1447                 FileDialog::Result result =
1448                         fileDlg.Select(initpath,
1449                                        _("*.lyx| LyX Documents (*.lyx)"));
1450
1451                 if (result.first == FileDialog::Later)
1452                         return;
1453
1454                 filename = result.second;
1455
1456                 // check selected filename
1457                 if (filename.empty()) {
1458                         owner_->message(_("Canceled."));
1459                         return;
1460                 }
1461         }
1462
1463         // get absolute path of file and add ".lyx" to the filename if
1464         // necessary
1465         filename = FileSearch(string(), filename, "lyx");
1466
1467         string const disp_fn(MakeDisplayPath(filename));
1468
1469         ostringstream s1;
1470         s1 << _("Inserting document") << ' '
1471            << disp_fn << " ...";
1472         owner_->message(s1.str().c_str());
1473         bool const res = bv_->insertLyXFile(filename);
1474         if (res) {
1475                 ostringstream str;
1476                 str << _("Document") << ' ' << disp_fn
1477                     << ' ' << _("inserted.");
1478                 owner_->message(str.str().c_str());
1479         } else {
1480                 ostringstream str;
1481                 str << _("Could not insert document") << ' '
1482                     << disp_fn;
1483                 owner_->message(str.str().c_str());
1484         }
1485 }
1486
1487
1488 bool BufferView::Pimpl::dispatch(kb_action action, string const & argument)
1489 {
1490         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch: action["
1491                               << action <<"] arg[" << argument << "]" << endl;
1492
1493         LyXTextClass const & tclass = buffer_->params.getLyXTextClass();
1494
1495         switch (action) {
1496                 // --- Misc -------------------------------------------
1497         case LFUN_APPENDIX:
1498         {
1499                 if (available()) {
1500                         LyXText * lt = bv_->getLyXText();
1501                         lt->toggleAppendix(bv_);
1502                         update(lt,
1503                                BufferView::SELECT
1504                                | BufferView::FITCUR
1505                                | BufferView::CHANGE);
1506                 }
1507         }
1508         break;
1509
1510         case LFUN_TOC_INSERT:
1511         {
1512                 InsetCommandParams p;
1513                 p.setCmdName("tableofcontents");
1514                 Inset * inset = new InsetTOC(p);
1515                 if (!insertInset(inset, tclass.defaultLayoutName()))
1516                         delete inset;
1517                 break;
1518         }
1519
1520         case LFUN_SCROLL_INSET:
1521                 // this is not handled here as this funktion is only aktive
1522                 // if we have a locking_inset and that one is (or contains)
1523                 // a tabular-inset
1524                 break;
1525
1526         case LFUN_INSET_GRAPHICS:
1527         {
1528                 Inset * new_inset = new InsetGraphics;
1529                 if (!insertInset(new_inset)) {
1530                         delete new_inset;
1531                 } else {
1532                         // this is need because you don't use a inset->Edit()
1533                         updateInset(new_inset, true);
1534                         new_inset->edit(bv_);
1535                 }
1536                 break;
1537         }
1538
1539         case LFUN_PASTE:
1540                 bv_->paste();
1541                 switchKeyMap();
1542                 break;
1543
1544         case LFUN_PASTESELECTION:
1545         {
1546                 bool asPara = false;
1547                 if (argument == "paragraph")
1548                         asPara = true;
1549                 pasteClipboard(asPara);
1550         }
1551         break;
1552
1553         case LFUN_CUT:
1554                 bv_->cut();
1555                 break;
1556
1557         case LFUN_COPY:
1558                 bv_->copy();
1559                 break;
1560
1561         case LFUN_LAYOUT_COPY:
1562                 bv_->copyEnvironment();
1563                 break;
1564
1565         case LFUN_LAYOUT_PASTE:
1566                 bv_->pasteEnvironment();
1567                 switchKeyMap();
1568                 break;
1569
1570         case LFUN_GOTOERROR:
1571                 gotoInset(Inset::ERROR_CODE, false);
1572                 break;
1573
1574         case LFUN_GOTONOTE:
1575                 gotoInset(Inset::NOTE_CODE, false);
1576                 break;
1577
1578         case LFUN_REFERENCE_GOTO:
1579         {
1580                 vector<Inset::Code> tmp;
1581                 tmp.push_back(Inset::LABEL_CODE);
1582                 tmp.push_back(Inset::REF_CODE);
1583                 gotoInset(tmp, true);
1584                 break;
1585         }
1586
1587         case LFUN_HYPHENATION:
1588                 specialChar(InsetSpecialChar::HYPHENATION);
1589                 break;
1590
1591         case LFUN_LIGATURE_BREAK:
1592                 specialChar(InsetSpecialChar::LIGATURE_BREAK);
1593                 break;
1594
1595         case LFUN_LDOTS:
1596                 specialChar(InsetSpecialChar::LDOTS);
1597                 break;
1598
1599         case LFUN_END_OF_SENTENCE:
1600                 specialChar(InsetSpecialChar::END_OF_SENTENCE);
1601                 break;
1602
1603         case LFUN_MENU_SEPARATOR:
1604                 specialChar(InsetSpecialChar::MENU_SEPARATOR);
1605                 break;
1606
1607         case LFUN_HFILL:
1608                 hfill();
1609                 break;
1610
1611         case LFUN_DEPTH_MIN:
1612                 changeDepth(bv_, bv_->getLyXText(), -1);
1613                 break;
1614
1615         case LFUN_DEPTH_PLUS:
1616                 changeDepth(bv_, bv_->getLyXText(), 1);
1617                 break;
1618
1619         case LFUN_FREE:
1620                 owner_->getDialogs()->setUserFreeFont();
1621                 break;
1622
1623         case LFUN_FILE_INSERT:
1624                 MenuInsertLyXFile(argument);
1625                 break;
1626
1627         case LFUN_FILE_INSERT_ASCII_PARA:
1628                 InsertAsciiFile(bv_, argument, true);
1629                 break;
1630
1631         case LFUN_FILE_INSERT_ASCII:
1632                 InsertAsciiFile(bv_, argument, false);
1633                 break;
1634
1635         case LFUN_LAYOUT:
1636         {
1637                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1638                                     << argument << endl;
1639
1640                 // This is not the good solution to the empty argument
1641                 // problem, but it will hopefully suffice for 1.2.0.
1642                 // The correct solution would be to augument the
1643                 // function list/array with information about what
1644                 // functions needs arguments and their type.
1645                 if (argument.empty()) {
1646                         owner_->getLyXFunc()->setErrorMessage(
1647                                 _("LyX function 'layout' needs an argument."));
1648                         break;
1649                 }
1650
1651                 // Derive layout number from given argument (string)
1652                 // and current buffer's textclass (number). */
1653                 bool hasLayout = tclass.hasLayout(argument);
1654                 string layout = argument;
1655
1656                 // If the entry is obsolete, use the new one instead.
1657                 if (hasLayout) {
1658                         string const & obs = tclass[layout]->obsoleted_by();
1659                         if (!obs.empty())
1660                                 layout = obs;
1661                 }
1662
1663                 if (!hasLayout) {
1664                         owner_->getLyXFunc()->setErrorMessage(
1665                                 string(N_("Layout ")) + argument +
1666                                 N_(" not known"));
1667                         break;
1668                 }
1669
1670                 bool change_layout = (current_layout != layout);
1671                 LyXText * lt = bv_->getLyXText();
1672                 if (!change_layout && lt->selection.set() &&
1673                         lt->selection.start.par() != lt->selection.end.par())
1674                 {
1675                         Paragraph * spar = lt->selection.start.par();
1676                         Paragraph * epar = lt->selection.end.par()->next();
1677                         while(spar != epar) {
1678                                 if (spar->layout()->name() != current_layout) {
1679                                         change_layout = true;
1680                                         break;
1681                                 }
1682                         }
1683                 }
1684                 if (change_layout) {
1685                         hideCursor();
1686                         current_layout = layout;
1687                         update(lt,
1688                                BufferView::SELECT
1689                                | BufferView::FITCUR);
1690                         lt->setLayout(bv_, layout);
1691                         owner_->setLayout(layout);
1692                         update(lt,
1693                                BufferView::SELECT
1694                                | BufferView::FITCUR
1695                                | BufferView::CHANGE);
1696                         switchKeyMap();
1697                 }
1698         }
1699         break;
1700
1701         case LFUN_LANGUAGE:
1702                 lang(bv_, argument);
1703                 switchKeyMap();
1704                 owner_->view_state_changed();
1705                 break;
1706
1707         case LFUN_EMPH:
1708                 emph(bv_);
1709                 owner_->view_state_changed();
1710                 break;
1711
1712         case LFUN_BOLD:
1713                 bold(bv_);
1714                 owner_->view_state_changed();
1715                 break;
1716
1717         case LFUN_NOUN:
1718                 noun(bv_);
1719                 owner_->view_state_changed();
1720                 break;
1721
1722         case LFUN_CODE:
1723                 code(bv_);
1724                 owner_->view_state_changed();
1725                 break;
1726
1727         case LFUN_SANS:
1728                 sans(bv_);
1729                 owner_->view_state_changed();
1730                 break;
1731
1732         case LFUN_ROMAN:
1733                 roman(bv_);
1734                 owner_->view_state_changed();
1735                 break;
1736
1737         case LFUN_DEFAULT:
1738                 styleReset(bv_);
1739                 owner_->view_state_changed();
1740                 break;
1741
1742         case LFUN_UNDERLINE:
1743                 underline(bv_);
1744                 owner_->view_state_changed();
1745                 break;
1746
1747         case LFUN_FONT_SIZE:
1748                 fontSize(bv_, argument);
1749                 owner_->view_state_changed();
1750                 break;
1751
1752         case LFUN_FONT_STATE:
1753                 owner_->getLyXFunc()->setMessage(currentState(bv_));
1754                 break;
1755
1756         case LFUN_UPCASE_WORD:
1757         {
1758                 LyXText * lt = bv_->getLyXText();
1759
1760                 update(lt,
1761                        BufferView::SELECT
1762                        | BufferView::FITCUR);
1763                 lt->changeCase(bv_, LyXText::text_uppercase);
1764                 if (lt->inset_owner)
1765                         updateInset(lt->inset_owner, true);
1766                 update(lt,
1767                        BufferView::SELECT
1768                        | BufferView::FITCUR
1769                        | BufferView::CHANGE);
1770         }
1771         break;
1772
1773         case LFUN_LOWCASE_WORD:
1774         {
1775                 LyXText * lt = bv_->getLyXText();
1776
1777                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1778                 lt->changeCase(bv_, LyXText::text_lowercase);
1779                 if (lt->inset_owner)
1780                         updateInset(lt->inset_owner, true);
1781                 update(lt,
1782                        BufferView::SELECT
1783                        | BufferView::FITCUR
1784                        | BufferView::CHANGE);
1785         }
1786         break;
1787
1788         case LFUN_CAPITALIZE_WORD:
1789         {
1790                 LyXText * lt = bv_->getLyXText();
1791
1792                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1793                 lt->changeCase(bv_, LyXText::text_capitalization);
1794                 if (lt->inset_owner)
1795                         updateInset(lt->inset_owner, true);
1796                 update(lt,
1797                        BufferView::SELECT
1798                        | BufferView::FITCUR
1799                        | BufferView::CHANGE);
1800         }
1801         break;
1802
1803         case LFUN_TRANSPOSE_CHARS:
1804         {
1805                 LyXText * lt = bv_->getLyXText();
1806
1807                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1808                 lt->transposeChars(*bv_);
1809                 if (lt->inset_owner)
1810                         updateInset(lt->inset_owner, true);
1811                 update(lt,
1812                        BufferView::SELECT
1813                        | BufferView::FITCUR
1814                        | BufferView::CHANGE);
1815         }
1816         break;
1817
1818
1819         case LFUN_INSERT_LABEL:
1820                 MenuInsertLabel(bv_, argument);
1821                 break;
1822
1823         case LFUN_REF_INSERT:
1824                 if (argument.empty()) {
1825                         InsetCommandParams p("ref");
1826                         owner_->getDialogs()->createRef(p.getAsString());
1827                 } else {
1828                         InsetCommandParams p;
1829                         p.setFromString(argument);
1830
1831                         InsetRef * inset = new InsetRef(p, *buffer_);
1832                         if (!insertInset(inset))
1833                                 delete inset;
1834                         else
1835                                 updateInset(inset, true);
1836                 }
1837                 break;
1838
1839         case LFUN_BOOKMARK_SAVE:
1840                 savePosition(strToUnsignedInt(argument));
1841                 break;
1842
1843         case LFUN_BOOKMARK_GOTO:
1844                 restorePosition(strToUnsignedInt(argument));
1845                 break;
1846
1847         case LFUN_REF_GOTO:
1848         {
1849                 string label(argument);
1850                 if (label.empty()) {
1851                         InsetRef * inset =
1852                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
1853                         if (inset) {
1854                                 label = inset->getContents();
1855                                 savePosition(0);
1856                         }
1857                 }
1858
1859                 if (!label.empty()) {
1860                         //bv_->savePosition(0);
1861                         if (!bv_->gotoLabel(label))
1862                                 Alert::alert(_("Error"),
1863                                            _("Couldn't find this label"),
1864                                            _("in current document."));
1865                 }
1866         }
1867         break;
1868
1869                 // --- Cursor Movements -----------------------------
1870         case LFUN_RIGHT:
1871         {
1872                 LyXText * lt = bv_->getLyXText();
1873
1874                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
1875                 if (!lt->selection.mark())
1876                         beforeChange(lt);
1877                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1878                 if (is_rtl)
1879                         lt->cursorLeft(bv_, false);
1880                 if (lt->cursor.pos() < lt->cursor.par()->size()
1881                     && lt->cursor.par()->isInset(lt->cursor.pos())
1882                     && isHighlyEditableInset(lt->cursor.par()->getInset(lt->cursor.pos()))) {
1883                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
1884                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
1885                         if (is_rtl)
1886                                 tmpinset->edit(bv_, false);
1887                         else
1888                                 tmpinset->edit(bv_);
1889                         break;
1890                 }
1891                 if (!is_rtl)
1892                         lt->cursorRight(bv_, false);
1893                 finishUndo();
1894                 moveCursorUpdate(false);
1895                 owner_->view_state_changed();
1896         }
1897         break;
1898
1899         case LFUN_LEFT:
1900         {
1901                 // This is soooo ugly. Isn`t it possible to make
1902                 // it simpler? (Lgb)
1903                 LyXText * lt = bv_->getLyXText();
1904                 bool const is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
1905                 if (!lt->selection.mark())
1906                         beforeChange(lt);
1907                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1908                 LyXCursor const cur = lt->cursor;
1909                 if (!is_rtl)
1910                         lt->cursorLeft(bv_, false);
1911                 if ((is_rtl || cur != lt->cursor) && // only if really moved!
1912                     lt->cursor.pos() < lt->cursor.par()->size() &&
1913                     lt->cursor.par()->isInset(lt->cursor.pos()) &&
1914                     isHighlyEditableInset(lt->cursor.par()->getInset(lt->cursor.pos()))) {
1915                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
1916                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
1917                         if (is_rtl)
1918                                 tmpinset->edit(bv_);
1919                         else
1920                                 tmpinset->edit(bv_, false);
1921                         break;
1922                 }
1923                 if  (is_rtl)
1924                         lt->cursorRight(bv_, false);
1925
1926                 finishUndo();
1927                 moveCursorUpdate(false);
1928                 owner_->view_state_changed();
1929         }
1930         break;
1931
1932         case LFUN_UP:
1933         {
1934                 LyXText * lt = bv_->getLyXText();
1935
1936                 if (!lt->selection.mark())
1937                         beforeChange(lt);
1938                 update(lt, BufferView::UPDATE);
1939                 lt->cursorUp(bv_);
1940                 finishUndo();
1941                 moveCursorUpdate(false);
1942                 owner_->view_state_changed();
1943         }
1944         break;
1945
1946         case LFUN_DOWN:
1947         {
1948                 LyXText * lt = bv_->getLyXText();
1949
1950                 if (!lt->selection.mark())
1951                         beforeChange(lt);
1952                 update(lt, BufferView::UPDATE);
1953                 lt->cursorDown(bv_);
1954                 finishUndo();
1955                 moveCursorUpdate(false);
1956                 owner_->view_state_changed();
1957         }
1958         break;
1959
1960         case LFUN_UP_PARAGRAPH:
1961         {
1962                 LyXText * lt = bv_->getLyXText();
1963
1964                 if (!lt->selection.mark())
1965                         beforeChange(lt);
1966                 update(lt, BufferView::UPDATE);
1967                 lt->cursorUpParagraph(bv_);
1968                 finishUndo();
1969                 moveCursorUpdate(false);
1970                 owner_->view_state_changed();
1971         }
1972         break;
1973
1974         case LFUN_DOWN_PARAGRAPH:
1975         {
1976                 LyXText * lt = bv_->getLyXText();
1977
1978                 if (!lt->selection.mark())
1979                         beforeChange(lt);
1980                 update(lt, BufferView::UPDATE);
1981                 lt->cursorDownParagraph(bv_);
1982                 finishUndo();
1983                 moveCursorUpdate(false);
1984                 owner_->view_state_changed();
1985         }
1986         break;
1987
1988         case LFUN_PRIOR:
1989         {
1990                 LyXText * lt = bv_->getLyXText();
1991
1992                 if (!lt->selection.mark())
1993                         beforeChange(lt);
1994                 update(lt, BufferView::UPDATE);
1995                 cursorPrevious(lt);
1996                 finishUndo();
1997                 moveCursorUpdate(false, false);
1998                 owner_->view_state_changed();
1999         }
2000         break;
2001
2002         case LFUN_NEXT:
2003         {
2004                 LyXText * lt = bv_->getLyXText();
2005
2006                 if (!lt->selection.mark())
2007                         beforeChange(lt);
2008                 update(lt, BufferView::UPDATE);
2009                 cursorNext(lt);
2010                 finishUndo();
2011                 moveCursorUpdate(false, false);
2012                 owner_->view_state_changed();
2013         }
2014         break;
2015
2016         case LFUN_HOME:
2017         {
2018                 LyXText * lt = bv_->getLyXText();
2019
2020                 if (!lt->selection.mark())
2021                         beforeChange(lt);
2022                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2023                 lt->cursorHome(bv_);
2024                 finishUndo();
2025                 moveCursorUpdate(false);
2026                 owner_->view_state_changed();
2027         }
2028         break;
2029
2030         case LFUN_END:
2031         {
2032                 LyXText * lt = bv_->getLyXText();
2033
2034                 if (!lt->selection.mark())
2035                         beforeChange(lt);
2036                 update(lt,
2037                        BufferView::SELECT|BufferView::FITCUR);
2038                 lt->cursorEnd(bv_);
2039                 finishUndo();
2040                 moveCursorUpdate(false);
2041                 owner_->view_state_changed();
2042         }
2043         break;
2044
2045         case LFUN_SHIFT_TAB:
2046         case LFUN_TAB:
2047         {
2048                 LyXText * lt = bv_->getLyXText();
2049
2050                 if (!lt->selection.mark())
2051                         beforeChange(lt);
2052                 update(lt,
2053                        BufferView::SELECT|BufferView::FITCUR);
2054                 lt->cursorTab(bv_);
2055                 finishUndo();
2056                 moveCursorUpdate(false);
2057                 owner_->view_state_changed();
2058         }
2059         break;
2060
2061         case LFUN_WORDRIGHT:
2062         {
2063                 LyXText * lt = bv_->getLyXText();
2064
2065                 if (!lt->selection.mark())
2066                         beforeChange(lt);
2067                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2068                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2069                         lt->cursorLeftOneWord(bv_);
2070                 else
2071                         lt->cursorRightOneWord(bv_);
2072                 finishUndo();
2073                 moveCursorUpdate(false);
2074                 owner_->view_state_changed();
2075         }
2076         break;
2077
2078         case LFUN_WORDLEFT:
2079         {
2080                 LyXText * lt = bv_->getLyXText();
2081
2082                 if (!lt->selection.mark())
2083                         beforeChange(lt);
2084                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2085                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2086                         lt->cursorRightOneWord(bv_);
2087                 else
2088                         lt->cursorLeftOneWord(bv_);
2089                 finishUndo();
2090                 moveCursorUpdate(false);
2091                 owner_->view_state_changed();
2092         }
2093         break;
2094
2095         case LFUN_BEGINNINGBUF:
2096         {
2097                 LyXText * lt = bv_->getLyXText();
2098
2099                 if (!lt->selection.mark())
2100                         beforeChange(lt);
2101                 update(lt,
2102                        BufferView::SELECT|BufferView::FITCUR);
2103                 lt->cursorTop(bv_);
2104                 finishUndo();
2105                 moveCursorUpdate(false);
2106                 owner_->view_state_changed();
2107         }
2108         break;
2109
2110         case LFUN_ENDBUF:
2111         {
2112                 LyXText * lt = bv_->getLyXText();
2113
2114                 if (!lt->selection.mark())
2115                         beforeChange(lt);
2116                 update(lt,
2117                        BufferView::SELECT|BufferView::FITCUR);
2118                 lt->cursorBottom(bv_);
2119                 finishUndo();
2120                 moveCursorUpdate(false);
2121                 owner_->view_state_changed();
2122         }
2123         break;
2124
2125                 /* cursor selection ---------------------------- */
2126         case LFUN_RIGHTSEL:
2127         {
2128                 LyXText * lt = bv_->getLyXText();
2129
2130                 update(lt,
2131                        BufferView::SELECT|BufferView::FITCUR);
2132                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2133                         lt->cursorLeft(bv_);
2134                 else
2135                         lt->cursorRight(bv_);
2136                 finishUndo();
2137                 moveCursorUpdate(true);
2138                 owner_->view_state_changed();
2139         }
2140         break;
2141
2142         case LFUN_LEFTSEL:
2143         {
2144                 LyXText * lt = bv_->getLyXText();
2145
2146                 update(lt,
2147                        BufferView::SELECT|BufferView::FITCUR);
2148                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2149                         lt->cursorRight(bv_);
2150                 else
2151                         lt->cursorLeft(bv_);
2152                 finishUndo();
2153                 moveCursorUpdate(true);
2154                 owner_->view_state_changed();
2155         }
2156         break;
2157
2158         case LFUN_UPSEL:
2159         {
2160                 LyXText * lt = bv_->getLyXText();
2161
2162                 update(lt,
2163                        BufferView::SELECT|BufferView::FITCUR);
2164                 lt->cursorUp(bv_, true);
2165                 finishUndo();
2166                 moveCursorUpdate(true);
2167                 owner_->view_state_changed();
2168         }
2169         break;
2170
2171         case LFUN_DOWNSEL:
2172         {
2173                 LyXText * lt = bv_->getLyXText();
2174
2175                 update(lt,
2176                        BufferView::SELECT|BufferView::FITCUR);
2177                 lt->cursorDown(bv_, true);
2178                 finishUndo();
2179                 moveCursorUpdate(true);
2180                 owner_->view_state_changed();
2181         }
2182         break;
2183
2184         case LFUN_UP_PARAGRAPHSEL:
2185         {
2186                 LyXText * lt = bv_->getLyXText();
2187
2188                 update(lt,
2189                        BufferView::SELECT|BufferView::FITCUR);
2190                 lt->cursorUpParagraph(bv_);
2191                 finishUndo();
2192                 moveCursorUpdate(true);
2193                 owner_->view_state_changed();
2194         }
2195         break;
2196
2197         case LFUN_DOWN_PARAGRAPHSEL:
2198         {
2199                 LyXText * lt = bv_->getLyXText();
2200
2201                 update(lt,
2202                        BufferView::SELECT|BufferView::FITCUR);
2203                 lt->cursorDownParagraph(bv_);
2204                 finishUndo();
2205                 moveCursorUpdate(true);
2206                 owner_->view_state_changed();
2207         }
2208         break;
2209
2210         case LFUN_PRIORSEL:
2211         {
2212                 LyXText * lt = bv_->getLyXText();
2213
2214                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2215                 cursorPrevious(lt);
2216                 finishUndo();
2217                 moveCursorUpdate(true);
2218                 owner_->view_state_changed();
2219         }
2220         break;
2221
2222         case LFUN_NEXTSEL:
2223         {
2224                 LyXText * lt = bv_->getLyXText();
2225
2226                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2227                 cursorNext(lt);
2228                 finishUndo();
2229                 moveCursorUpdate(true);
2230                 owner_->view_state_changed();
2231         }
2232         break;
2233
2234         case LFUN_HOMESEL:
2235         {
2236                 LyXText * lt = bv_->getLyXText();
2237
2238                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2239                 lt->cursorHome(bv_);
2240                 finishUndo();
2241                 moveCursorUpdate(true);
2242                 owner_->view_state_changed();
2243         }
2244         break;
2245
2246         case LFUN_ENDSEL:
2247         {
2248                 LyXText * lt = bv_->getLyXText();
2249
2250                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2251                 lt->cursorEnd(bv_);
2252                 finishUndo();
2253                 moveCursorUpdate(true);
2254                 owner_->view_state_changed();
2255         }
2256         break;
2257
2258         case LFUN_WORDRIGHTSEL:
2259         {
2260                 LyXText * lt = bv_->getLyXText();
2261
2262                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2263                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2264                         lt->cursorLeftOneWord(bv_);
2265                 else
2266                         lt->cursorRightOneWord(bv_);
2267                 finishUndo();
2268                 moveCursorUpdate(true);
2269                 owner_->view_state_changed();
2270         }
2271         break;
2272
2273         case LFUN_WORDLEFTSEL:
2274         {
2275                 LyXText * lt = bv_->getLyXText();
2276
2277                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2278                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2279                         lt->cursorRightOneWord(bv_);
2280                 else
2281                         lt->cursorLeftOneWord(bv_);
2282                 finishUndo();
2283                 moveCursorUpdate(true);
2284                 owner_->view_state_changed();
2285         }
2286         break;
2287
2288         case LFUN_BEGINNINGBUFSEL:
2289         {
2290                 LyXText * lt = bv_->getLyXText();
2291
2292                 if (lt->inset_owner)
2293                         break;
2294                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2295                 lt->cursorTop(bv_);
2296                 finishUndo();
2297                 moveCursorUpdate(true);
2298                 owner_->view_state_changed();
2299         }
2300         break;
2301
2302         case LFUN_ENDBUFSEL:
2303         {
2304                 LyXText * lt = bv_->getLyXText();
2305
2306                 if (lt->inset_owner)
2307                         break;
2308                 update(lt,
2309                        BufferView::SELECT|BufferView::FITCUR);
2310                 lt->cursorBottom(bv_);
2311                 finishUndo();
2312                 moveCursorUpdate(true);
2313                 owner_->view_state_changed();
2314         }
2315         break;
2316
2317                 // --- text changing commands ------------------------
2318         case LFUN_BREAKLINE:
2319         {
2320                 LyXText * lt = bv_->getLyXText();
2321
2322                 beforeChange(lt);
2323                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
2324                 update(lt,
2325                        BufferView::SELECT
2326                        | BufferView::FITCUR
2327                        | BufferView::CHANGE);
2328                 lt->setCursor(bv_, lt->cursor.par(), lt->cursor.pos());
2329                 moveCursorUpdate(false);
2330         }
2331         break;
2332
2333         case LFUN_PROTECTEDSPACE:
2334         {
2335                 LyXText * lt = bv_->getLyXText();
2336                 LyXLayout_ptr const & style = lt->cursor.par()->layout();
2337
2338                 if (style->free_spacing) {
2339                         lt->insertChar(bv_, ' ');
2340                         update(lt,
2341                                BufferView::SELECT
2342                                | BufferView::FITCUR
2343                                | BufferView::CHANGE);
2344                 } else {
2345                         specialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
2346                 }
2347                 moveCursorUpdate(false);
2348         }
2349         break;
2350
2351         case LFUN_SETMARK:
2352         {
2353                 LyXText * lt = bv_->getLyXText();
2354
2355                 if (lt->selection.mark()) {
2356                         beforeChange(lt);
2357                         update(lt,
2358                                BufferView::SELECT
2359                                | BufferView::FITCUR);
2360                         owner_->getLyXFunc()->setMessage(N_("Mark removed"));
2361                 } else {
2362                         beforeChange(lt);
2363                         lt->selection.mark(true);
2364                         update(lt,
2365                                BufferView::SELECT
2366                                | BufferView::FITCUR);
2367                         owner_->getLyXFunc()->setMessage(N_("Mark set"));
2368                 }
2369                 lt->selection.cursor = lt->cursor;
2370         }
2371         break;
2372
2373         case LFUN_DELETE:
2374         {
2375                 LyXText * lt = bv_->getLyXText();
2376
2377                 if (!lt->selection.set()) {
2378                         lt->Delete(bv_);
2379                         lt->selection.cursor = lt->cursor;
2380                         update(lt,
2381                                BufferView::SELECT
2382                                | BufferView::FITCUR
2383                                | BufferView::CHANGE);
2384                         // It is possible to make it a lot faster still
2385                         // just comment out the line below...
2386                         showCursor();
2387                 } else {
2388                         bv_->cut(false);
2389                 }
2390                 moveCursorUpdate(false);
2391                 owner_->view_state_changed();
2392                 switchKeyMap();
2393         }
2394         break;
2395
2396         case LFUN_DELETE_SKIP:
2397         {
2398                 LyXText * lt = bv_->getLyXText();
2399
2400                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2401
2402                 LyXCursor cursor = lt->cursor;
2403
2404                 if (!lt->selection.set()) {
2405                         if (cursor.pos() == cursor.par()->size()) {
2406                                 lt->cursorRight(bv_);
2407                                 cursor = lt->cursor;
2408                                 if (cursor.pos() == 0
2409                                     && !(cursor.par()->params().spaceTop()
2410                                          == VSpace (VSpace::NONE))) {
2411                                         lt->setParagraph
2412                                                 (bv_,
2413                                                  cursor.par()->params().lineTop(),
2414                                                  cursor.par()->params().lineBottom(),
2415                                                  cursor.par()->params().pagebreakTop(),
2416                                                  cursor.par()->params().pagebreakBottom(),
2417                                                  VSpace(VSpace::NONE),
2418                                                  cursor.par()->params().spaceBottom(),
2419                                                  cursor.par()->params().spacing(),
2420                                                  cursor.par()->params().align(),
2421                                                  cursor.par()->params().labelWidthString(), 0);
2422                                         lt->cursorLeft(bv_);
2423                                         update(lt,
2424                                                BufferView::SELECT
2425                                                | BufferView::FITCUR
2426                                                | BufferView::CHANGE);
2427                                 } else {
2428                                         lt->cursorLeft(bv_);
2429                                         lt->Delete(bv_);
2430                                         lt->selection.cursor = lt->cursor;
2431                                         update(lt,
2432                                                BufferView::SELECT
2433                                                | BufferView::FITCUR
2434                                                | BufferView::CHANGE);
2435                                 }
2436                         } else {
2437                                 lt->Delete(bv_);
2438                                 lt->selection.cursor = lt->cursor;
2439                                 update(lt,
2440                                        BufferView::SELECT
2441                                        | BufferView::FITCUR
2442                                        | BufferView::CHANGE);
2443                         }
2444                 } else {
2445                         bv_->cut(false);
2446                 }
2447         }
2448         break;
2449
2450         /* -------> Delete word forward. */
2451         case LFUN_DELETE_WORD_FORWARD:
2452                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
2453                 bv_->getLyXText()->deleteWordForward(bv_);
2454                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2455                 moveCursorUpdate(false);
2456                 owner_->view_state_changed();
2457                 break;
2458
2459                 /* -------> Delete word backward. */
2460         case LFUN_DELETE_WORD_BACKWARD:
2461         {
2462                 LyXText * lt = bv_->getLyXText();
2463
2464                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2465                 lt->deleteWordBackward(bv_);
2466                 update(lt,
2467                        BufferView::SELECT
2468                        | BufferView::FITCUR
2469                        | BufferView::CHANGE);
2470                 moveCursorUpdate(false);
2471                 owner_->view_state_changed();
2472         }
2473         break;
2474
2475                 /* -------> Kill to end of line. */
2476         case LFUN_DELETE_LINE_FORWARD:
2477         {
2478                 LyXText * lt = bv_->getLyXText();
2479
2480                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2481                 lt->deleteLineForward(bv_);
2482                 update(lt,
2483                        BufferView::SELECT
2484                        | BufferView::FITCUR
2485                        | BufferView::CHANGE);
2486                 moveCursorUpdate(false);
2487         }
2488         break;
2489
2490                 /* -------> Set mark off. */
2491         case LFUN_MARK_OFF:
2492         {
2493                 LyXText * lt = bv_->getLyXText();
2494
2495                 beforeChange(lt);
2496                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2497                 lt->selection.cursor = lt->cursor;
2498                 owner_->getLyXFunc()->setMessage(N_("Mark off"));
2499         }
2500         break;
2501
2502                 /* -------> Set mark on. */
2503         case LFUN_MARK_ON:
2504         {
2505                 LyXText * lt = bv_->getLyXText();
2506
2507                 beforeChange(lt);
2508                 lt->selection.mark(true);
2509                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2510                 lt->selection.cursor = lt->cursor;
2511                 owner_->getLyXFunc()->setMessage(N_("Mark on"));
2512         }
2513         break;
2514
2515         case LFUN_BACKSPACE:
2516         {
2517                 LyXText * lt = bv_->getLyXText();
2518
2519                 if (!lt->selection.set()) {
2520                         if (owner_->getIntl()->getTransManager().backspace()) {
2521                                 lt->backspace(bv_);
2522                                 lt->selection.cursor = lt->cursor;
2523                                 update(lt,
2524                                        BufferView::SELECT
2525                                        | BufferView::FITCUR
2526                                        | BufferView::CHANGE);
2527                                 // It is possible to make it a lot faster still
2528                                 // just comment out the line below...
2529                                 showCursor();
2530                         }
2531                 } else {
2532                         bv_->cut(false);
2533                 }
2534                 owner_->view_state_changed();
2535                 switchKeyMap();
2536         }
2537         break;
2538
2539         case LFUN_BACKSPACE_SKIP:
2540         {
2541                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2542                 LyXText * lt = bv_->getLyXText();
2543
2544                 LyXCursor cursor = lt->cursor;
2545
2546                 if (!lt->selection.set()) {
2547                         if (cursor.pos() == 0
2548                             && !(cursor.par()->params().spaceTop()
2549                                  == VSpace (VSpace::NONE))) {
2550                                 lt->setParagraph
2551                                         (bv_,
2552                                          cursor.par()->params().lineTop(),
2553                                          cursor.par()->params().lineBottom(),
2554                                          cursor.par()->params().pagebreakTop(),
2555                                          cursor.par()->params().pagebreakBottom(),
2556                                          VSpace(VSpace::NONE), cursor.par()->params().spaceBottom(),
2557                                          cursor.par()->params().spacing(),
2558                                          cursor.par()->params().align(),
2559                                          cursor.par()->params().labelWidthString(), 0);
2560                                 update(lt,
2561                                        BufferView::SELECT
2562                                        | BufferView::FITCUR
2563                                        | BufferView::CHANGE);
2564                         } else {
2565                                 lt->backspace(bv_);
2566                                 lt->selection.cursor = cursor;
2567                                 update(lt,
2568                                        BufferView::SELECT
2569                                        | BufferView::FITCUR
2570                                        | BufferView::CHANGE);
2571                         }
2572                 } else
2573                         bv_->cut(false);
2574         }
2575         break;
2576
2577         case LFUN_BREAKPARAGRAPH:
2578         {
2579                 LyXText * lt = bv_->getLyXText();
2580
2581                 beforeChange(lt);
2582                 lt->breakParagraph(bv_, 0);
2583                 update(lt,
2584                        BufferView::SELECT
2585                        | BufferView::FITCUR
2586                        | BufferView::CHANGE);
2587                 lt->selection.cursor = lt->cursor;
2588                 switchKeyMap();
2589                 owner_->view_state_changed();
2590                 break;
2591         }
2592
2593         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
2594         {
2595                 LyXText * lt = bv_->getLyXText();
2596
2597                 beforeChange(lt);
2598                 lt->breakParagraph(bv_, 1);
2599                 update(lt,
2600                        BufferView::SELECT
2601                        | BufferView::FITCUR
2602                        | BufferView::CHANGE);
2603                 lt->selection.cursor = lt->cursor;
2604                 switchKeyMap();
2605                 owner_->view_state_changed();
2606                 break;
2607         }
2608
2609         case LFUN_BREAKPARAGRAPH_SKIP:
2610         {
2611                 // When at the beginning of a paragraph, remove
2612                 // indentation and add a "defskip" at the top.
2613                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
2614                 LyXText * lt = bv_->getLyXText();
2615
2616                 LyXCursor cursor = lt->cursor;
2617
2618                 beforeChange(lt);
2619                 if (cursor.pos() == 0) {
2620                         if (cursor.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
2621                                 lt->setParagraph
2622                                         (bv_,
2623                                          cursor.par()->params().lineTop(),
2624                                          cursor.par()->params().lineBottom(),
2625                                          cursor.par()->params().pagebreakTop(),
2626                                          cursor.par()->params().pagebreakBottom(),
2627                                          VSpace(VSpace::DEFSKIP), cursor.par()->params().spaceBottom(),
2628                                          cursor.par()->params().spacing(),
2629                                          cursor.par()->params().align(),
2630                                          cursor.par()->params().labelWidthString(), 1);
2631                                 //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2632                         }
2633                 }
2634                 else {
2635                         lt->breakParagraph(bv_, 0);
2636                         //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2637                 }
2638
2639                 update(lt,
2640                        BufferView::SELECT
2641                        | BufferView::FITCUR
2642                        | BufferView::CHANGE);
2643                 lt->selection.cursor = cursor;
2644                 switchKeyMap();
2645                 owner_->view_state_changed();
2646         }
2647         break;
2648
2649         case LFUN_PARAGRAPH_SPACING:
2650         {
2651                 LyXText * lt = bv_->getLyXText();
2652
2653                 Paragraph * par = lt->cursor.par();
2654                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
2655                 float cur_value = 1.0;
2656                 if (cur_spacing == Spacing::Other) {
2657                         cur_value = par->params().spacing().getValue();
2658                 }
2659
2660                 istringstream istr(argument.c_str());
2661
2662                 string tmp;
2663                 istr >> tmp;
2664                 Spacing::Space new_spacing = cur_spacing;
2665                 float new_value = cur_value;
2666                 if (tmp.empty()) {
2667                         lyxerr << "Missing argument to `paragraph-spacing'"
2668                                << endl;
2669                 } else if (tmp == "single") {
2670                         new_spacing = Spacing::Single;
2671                 } else if (tmp == "onehalf") {
2672                         new_spacing = Spacing::Onehalf;
2673                 } else if (tmp == "double") {
2674                         new_spacing = Spacing::Double;
2675                 } else if (tmp == "other") {
2676                         new_spacing = Spacing::Other;
2677                         float tmpval = 0.0;
2678                         istr >> tmpval;
2679                         lyxerr << "new_value = " << tmpval << endl;
2680                         if (tmpval != 0.0)
2681                                 new_value = tmpval;
2682                 } else if (tmp == "default") {
2683                         new_spacing = Spacing::Default;
2684                 } else {
2685                         lyxerr << _("Unknown spacing argument: ")
2686                                << argument << endl;
2687                 }
2688                 if (cur_spacing != new_spacing || cur_value != new_value) {
2689                         par->params().spacing(Spacing(new_spacing, new_value));
2690                         lt->redoParagraph(bv_);
2691                         update(lt,
2692                                BufferView::SELECT
2693                                | BufferView::FITCUR
2694                                | BufferView::CHANGE);
2695                 }
2696         }
2697         break;
2698
2699         case LFUN_INSET_TOGGLE:
2700         {
2701                 LyXText * lt = bv_->getLyXText();
2702                 hideCursor();
2703                 beforeChange(lt);
2704                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2705                 lt->toggleInset(bv_);
2706                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2707                 switchKeyMap();
2708         }
2709                 break;
2710
2711         case LFUN_QUOTE:
2712                 smartQuote();
2713                 break;
2714
2715         case LFUN_HTMLURL:
2716         case LFUN_URL:
2717         {
2718                 InsetCommandParams p;
2719                 if (action == LFUN_HTMLURL)
2720                         p.setCmdName("htmlurl");
2721                 else
2722                         p.setCmdName("url");
2723                 owner_->getDialogs()->createUrl(p.getAsString());
2724         }
2725         break;
2726
2727         case LFUN_INSERT_URL:
2728         {
2729                 InsetCommandParams p;
2730                 p.setFromString(argument);
2731
2732                 InsetUrl * inset = new InsetUrl(p);
2733                 if (!insertInset(inset))
2734                         delete inset;
2735                 else
2736                         updateInset(inset, true);
2737         }
2738         break;
2739
2740         case LFUN_INSET_ERT:
2741                 insertAndEditInset(new InsetERT(buffer_->params));
2742                 break;
2743
2744         case LFUN_INSET_EXTERNAL:
2745                 insertAndEditInset(new InsetExternal);
2746                 break;
2747
2748         case LFUN_INSET_FOOTNOTE:
2749                 insertAndEditInset(new InsetFoot(buffer_->params));
2750                 break;
2751
2752         case LFUN_INSET_MARGINAL:
2753                 insertAndEditInset(new InsetMarginal(buffer_->params));
2754                 break;
2755
2756         case LFUN_INSET_MINIPAGE:
2757                 insertAndEditInset(new InsetMinipage(buffer_->params));
2758                 break;
2759
2760         case LFUN_INSERT_NOTE:
2761                 insertAndEditInset(new InsetNote(buffer_->params));
2762                 break;
2763
2764         case LFUN_INSET_FLOAT:
2765                 // check if the float type exist
2766                 if (floatList.typeExist(argument)) {
2767                         insertAndEditInset(new InsetFloat(buffer_->params,
2768                                                           argument));
2769                 } else {
2770                         lyxerr << "Non-existent float type: "
2771                                << argument << endl;
2772                 }
2773                 break;
2774
2775         case LFUN_INSET_WIDE_FLOAT:
2776                 // check if the float type exist
2777                 if (floatList.typeExist(argument)) {
2778                         InsetFloat * new_inset =
2779                                 new InsetFloat(buffer_->params, argument);
2780                         new_inset->wide(true);
2781                         insertAndEditInset(new_inset);
2782                 } else {
2783                         lyxerr << "Non-existent float type: "
2784                                << argument << endl;
2785                 }
2786                 break;
2787
2788 #if 0
2789         case LFUN_INSET_LIST:
2790                 insertAndEditInset(new InsetList);
2791                 break;
2792
2793         case LFUN_INSET_THEOREM:
2794                 insertAndEditInset(new InsetTheorem);
2795                 break;
2796 #endif
2797
2798         case LFUN_INSET_CAPTION:
2799         {
2800                 // Do we have a locking inset...
2801                 if (bv_->theLockingInset()) {
2802                         lyxerr << "Locking inset code: "
2803                                << static_cast<int>(bv_->theLockingInset()->lyxCode());
2804                         InsetCaption * new_inset =
2805                                 new InsetCaption(buffer_->params);
2806                         new_inset->setOwner(bv_->theLockingInset());
2807                         new_inset->setAutoBreakRows(true);
2808                         new_inset->setDrawFrame(0, InsetText::LOCKED);
2809                         new_inset->setFrameColor(0, LColor::captionframe);
2810                         if (insertInset(new_inset))
2811                                 new_inset->edit(bv_);
2812                         else
2813                                 delete new_inset;
2814                 }
2815         }
2816         break;
2817
2818         case LFUN_TABULAR_INSERT:
2819         {
2820                 if (argument.empty()) {
2821                         owner_->getDialogs()->showTabularCreate();
2822                         break;
2823                 }
2824
2825                 int r = 2;
2826                 int c = 2;
2827                 ::sscanf(argument.c_str(),"%d%d", &r, &c);
2828                 InsetTabular * new_inset =
2829                         new InsetTabular(*buffer_, r, c);
2830                 bool const rtl =
2831                         bv_->getLyXText()->real_current_font.isRightToLeft();
2832                 if (!open_new_inset(new_inset, rtl))
2833                         delete new_inset;
2834         }
2835         break;
2836
2837         // --- lyxserver commands ----------------------------
2838
2839         case LFUN_CHARATCURSOR:
2840         {
2841                 pos_type pos = bv_->getLyXText()->cursor.pos();
2842                 if (pos < bv_->getLyXText()->cursor.par()->size())
2843                         owner_->getLyXFunc()->setMessage(
2844                                 tostr(bv_->getLyXText()->cursor.par()->getChar(pos)));
2845                 else
2846                         owner_->getLyXFunc()->setMessage("EOF");
2847         }
2848         break;
2849
2850         case LFUN_GETXY:
2851                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.x())
2852                                                  + ' '
2853                                                  + tostr(bv_->getLyXText()->cursor.y()));
2854                 break;
2855
2856         case LFUN_SETXY:
2857         {
2858                 int x = 0;
2859                 int y = 0;
2860                 if (::sscanf(argument.c_str(), " %d %d", &x, &y) != 2) {
2861                         lyxerr << "SETXY: Could not parse coordinates in '"
2862                                << argument << std::endl;
2863                 }
2864                 bv_->getLyXText()->setCursorFromCoordinates(bv_, x, y);
2865         }
2866         break;
2867
2868         case LFUN_GETLAYOUT:
2869                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.par()->layout()));
2870                 break;
2871
2872         case LFUN_GETFONT:
2873         {
2874                 LyXFont & font = bv_->getLyXText()->current_font;
2875                 if (font.shape() == LyXFont::ITALIC_SHAPE)
2876                         owner_->getLyXFunc()->setMessage("E");
2877                 else if (font.shape() == LyXFont::SMALLCAPS_SHAPE)
2878                         owner_->getLyXFunc()->setMessage("N");
2879                 else
2880                         owner_->getLyXFunc()->setMessage("0");
2881
2882         }
2883         break;
2884
2885         // --- accented characters ---------------------------
2886
2887         case LFUN_UMLAUT:
2888         case LFUN_CIRCUMFLEX:
2889         case LFUN_GRAVE:
2890         case LFUN_ACUTE:
2891         case LFUN_TILDE:
2892         case LFUN_CEDILLA:
2893         case LFUN_MACRON:
2894         case LFUN_DOT:
2895         case LFUN_UNDERDOT:
2896         case LFUN_UNDERBAR:
2897         case LFUN_CARON:
2898         case LFUN_SPECIAL_CARON:
2899         case LFUN_BREVE:
2900         case LFUN_TIE:
2901         case LFUN_HUNG_UMLAUT:
2902         case LFUN_CIRCLE:
2903         case LFUN_OGONEK:
2904                 if (argument.empty()) {
2905                         // As always...
2906                         owner_->getLyXFunc()->handleKeyFunc(action);
2907                 } else {
2908                         owner_->getLyXFunc()->handleKeyFunc(action);
2909                         owner_->getIntl()->getTransManager()
2910                                 .TranslateAndInsert(argument[0], bv_->getLyXText());
2911                         update(bv_->getLyXText(),
2912                                BufferView::SELECT
2913                                | BufferView::FITCUR
2914                                | BufferView::CHANGE);
2915                 }
2916                 break;
2917
2918         case LFUN_MATH:
2919                 mathDispatch(bv_, argument);
2920                 break;
2921
2922         case LFUN_MATH_MACRO:
2923                 mathDispatchMathMacro(bv_, argument);
2924                 break;
2925
2926         case LFUN_MATH_DELIM:
2927                 mathDispatchMathDelim(bv_, argument);
2928                 break;
2929
2930         case LFUN_INSERT_MATRIX:
2931                 mathDispatchInsertMatrix(bv_, argument);
2932                 break;
2933
2934         case LFUN_INSERT_MATH:
2935                 mathDispatchInsertMath(bv_, argument);
2936                 break;
2937
2938         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
2939                 mathDispatchMathImportSelection(bv_, argument);
2940                 break;
2941
2942         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
2943                 mathDispatchMathDisplay(bv_, argument);
2944                 break;
2945
2946         case LFUN_MATH_MODE:             // Open or create an inlined math inset
2947                 mathDispatchMathMode(bv_, argument);
2948                 break;
2949
2950         case LFUN_GREEK:                 // Insert a single greek letter
2951                 mathDispatchGreek(bv_, argument);
2952                 break;
2953
2954         case LFUN_CITATION_INSERT:
2955         {
2956                 InsetCommandParams p;
2957                 p.setFromString(argument);
2958
2959                 InsetCitation * inset = new InsetCitation(p);
2960                 if (!insertInset(inset))
2961                         delete inset;
2962                 else
2963                         updateInset(inset, true);
2964         }
2965         break;
2966
2967         case LFUN_INSERT_BIBTEX:
2968         {
2969                 // ale970405+lasgoutt970425
2970                 // The argument can be up to two tokens separated
2971                 // by a space. The first one is the bibstyle.
2972                 string const db       = token(argument, ' ', 0);
2973                 string const bibstyle = token(argument, ' ', 1);
2974
2975                 InsetCommandParams p("BibTeX", db, bibstyle);
2976                 InsetBibtex * inset = new InsetBibtex(p);
2977
2978                 if (insertInset(inset)) {
2979                         if (argument.empty())
2980                                 inset->edit(bv_);
2981                 } else
2982                         delete inset;
2983         }
2984         break;
2985
2986         // BibTeX data bases
2987         case LFUN_BIBDB_ADD:
2988         {
2989                 InsetBibtex * inset =
2990                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
2991                 if (inset) {
2992                         inset->addDatabase(argument);
2993                 }
2994         }
2995         break;
2996
2997         case LFUN_BIBDB_DEL:
2998         {
2999                 InsetBibtex * inset =
3000                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3001                 if (inset) {
3002                         inset->delDatabase(argument);
3003                 }
3004         }
3005         break;
3006
3007         case LFUN_BIBTEX_STYLE:
3008         {
3009                 InsetBibtex * inset =
3010                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3011                 if (inset) {
3012                         inset->setOptions(argument);
3013                 }
3014         }
3015         break;
3016
3017         case LFUN_INDEX_INSERT:
3018         {
3019                 string entry = argument;
3020                 if (entry.empty()) {
3021                         entry = bv_->getLyXText()->getStringToIndex(bv_);
3022                 }
3023
3024                 if (entry.empty()) {
3025                         owner_->getDialogs()->createIndex();
3026                         break;
3027                 }
3028
3029                 InsetIndex * inset = new InsetIndex(InsetCommandParams("index", entry));
3030
3031                 if (!insertInset(inset)) {
3032                         delete inset;
3033                 } else {
3034                         updateInset(inset, true);
3035                 }
3036         }
3037         break;
3038
3039         case LFUN_INDEX_PRINT:
3040         {
3041                 InsetCommandParams p("printindex");
3042                 Inset * inset = new InsetPrintIndex(p);
3043                 if (!insertInset(inset, tclass.defaultLayoutName()))
3044                         delete inset;
3045         }
3046         break;
3047
3048         case LFUN_PARENTINSERT:
3049         {
3050                 InsetCommandParams p("lyxparent", argument);
3051                 Inset * inset = new InsetParent(p, *buffer_);
3052                 if (!insertInset(inset, tclass.defaultLayoutName()))
3053                         delete inset;
3054         }
3055
3056         break;
3057
3058         case LFUN_CHILD_INSERT:
3059         {
3060                 InsetInclude::Params p;
3061                 p.cparams.setFromString(argument);
3062                 p.masterFilename_ = buffer_->fileName();
3063
3064                 InsetInclude * inset = new InsetInclude(p);
3065                 if (!insertInset(inset))
3066                         delete inset;
3067                 else {
3068                         updateInset(inset, true);
3069                         bv_->owner()->getDialogs()->showInclude(inset);
3070                 }
3071         }
3072         break;
3073
3074         case LFUN_FLOAT_LIST:
3075                 if (floatList.typeExist(argument)) {
3076                         Inset * inset = new InsetFloatList(argument);
3077                         if (!insertInset(inset, tclass.defaultLayoutName()))
3078                                 delete inset;
3079                 } else {
3080                         lyxerr << "Non-existent float type: "
3081                                << argument << endl;
3082                 }
3083                 break;
3084
3085         case LFUN_THESAURUS_ENTRY:
3086         {
3087                 string arg = argument;
3088
3089                 if (arg.empty()) {
3090                         arg = bv_->getLyXText()->selectionAsString(buffer_,
3091                                                                    false);
3092
3093                         // FIXME
3094                         if (arg.size() > 100 || arg.empty()) {
3095                                 // Get word or selection
3096                                 bv_->getLyXText()->selectWordWhenUnderCursor(bv_, LyXText::WHOLE_WORD);
3097                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
3098                                 // FIXME: where is getLyXText()->unselect(bv_) ?
3099                         }
3100                 }
3101
3102                 bv_->owner()->getDialogs()->showThesaurus(arg);
3103         }
3104                 break;
3105
3106         case LFUN_SELFINSERT:
3107         {
3108                 if (argument.empty()) break;
3109
3110                 /* Automatically delete the currently selected
3111                  * text and replace it with what is being
3112                  * typed in now. Depends on lyxrc settings
3113                  * "auto_region_delete", which defaults to
3114                  * true (on). */
3115
3116                 LyXText * lt = bv_->getLyXText();
3117
3118                 if (lyxrc.auto_region_delete) {
3119                         if (lt->selection.set()) {
3120                                 lt->cutSelection(bv_, false, false);
3121                                 bv_->update(lt,
3122                                             BufferView::SELECT
3123                                             | BufferView::FITCUR
3124                                             | BufferView::CHANGE);
3125                         }
3126                         workarea().haveSelection(false);
3127                 }
3128
3129                 beforeChange(lt);
3130                 LyXFont const old_font(lt->real_current_font);
3131
3132                 string::const_iterator cit = argument.begin();
3133                 string::const_iterator end = argument.end();
3134                 for (; cit != end; ++cit) {
3135                         owner_->getIntl()->getTransManager().
3136                                 TranslateAndInsert(*cit, lt);
3137                 }
3138
3139                 bv_->update(lt,
3140                             BufferView::SELECT
3141                             | BufferView::FITCUR
3142                             | BufferView::CHANGE);
3143
3144                 lt->selection.cursor = lt->cursor;
3145                 moveCursorUpdate(false);
3146
3147                 // real_current_font.number can change so we need to
3148                 // update the minibuffer
3149                 if (old_font != lt->real_current_font)
3150                         owner_->view_state_changed();
3151                 //return string();
3152         }
3153         break;
3154
3155         case LFUN_DATE_INSERT:  // jdblair: date-insert cmd
3156         {
3157                 time_t now_time_t = time(NULL);
3158                 struct tm * now_tm = localtime(&now_time_t);
3159                 setlocale(LC_TIME, "");
3160                 string arg;
3161                 if (!argument.empty())
3162                         arg = argument;
3163                 else
3164                         arg = lyxrc.date_insert_format;
3165                 char datetmp[32];
3166                 int const datetmp_len =
3167                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
3168
3169                 LyXText * lt = bv_->getLyXText();
3170
3171                 for (int i = 0; i < datetmp_len; i++) {
3172                         lt->insertChar(bv_, datetmp[i]);
3173                         update(lt,
3174                                BufferView::SELECT
3175                                | BufferView::FITCUR
3176                                | BufferView::CHANGE);
3177                 }
3178
3179                 lt->selection.cursor = lt->cursor;
3180                 moveCursorUpdate(false);
3181         }
3182         break;
3183
3184         case LFUN_UNKNOWN_ACTION:
3185                 owner_->getLyXFunc()->setErrorMessage(N_("Unknown function!"));
3186                 break;
3187
3188         default:
3189                 return false;
3190         } // end of switch
3191
3192         return true;
3193 }
3194
3195
3196 void BufferView::Pimpl::newline()
3197 {
3198         if (available()) {
3199                 LyXText * lt = bv_->getLyXText();
3200                 hideCursor();
3201                 update(lt,
3202                        BufferView::SELECT
3203                        | BufferView::FITCUR);
3204                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
3205                 update(lt,
3206                        BufferView::SELECT
3207                        | BufferView::FITCUR
3208                        | BufferView::CHANGE);
3209         }
3210 }
3211
3212
3213 void BufferView::Pimpl::hfill()
3214 {
3215         if (available()) {
3216                 LyXText * lt = bv_->getLyXText();
3217                 hideCursor();
3218                 update(lt,
3219                        BufferView::SELECT
3220                        | BufferView::FITCUR);
3221                 lt->insertChar(bv_, Paragraph::META_HFILL);
3222                 update(lt,
3223                        BufferView::SELECT
3224                        | BufferView::FITCUR
3225                        | BufferView::CHANGE);
3226         }
3227 }
3228
3229
3230 void BufferView::Pimpl::specialChar(InsetSpecialChar::Kind kind)
3231 {
3232         if (available()) {
3233                 LyXText * lt = bv_->getLyXText();
3234
3235                 hideCursor();
3236                 update(lt, BufferView::SELECT|BufferView::FITCUR);
3237                 InsetSpecialChar * new_inset =
3238                         new InsetSpecialChar(kind);
3239                 if (!insertInset(new_inset))
3240                         delete new_inset;
3241                 else
3242                         updateInset(new_inset, true);
3243         }
3244 }
3245
3246
3247 void BufferView::Pimpl::smartQuote()
3248 {
3249         LyXText const * lt = bv_->getLyXText();
3250         Paragraph const * par = lt->cursor.par();
3251         pos_type pos = lt->cursor.pos();
3252         char c;
3253
3254         if (!pos
3255             || (par->isInset(pos - 1)
3256                 && par->getInset(pos - 1)->isSpace()))
3257                 c = ' ';
3258         else
3259                 c = par->getChar(pos - 1);
3260
3261
3262         hideCursor();
3263
3264         LyXLayout_ptr const & style = par->layout();
3265
3266         if (style->pass_thru ||
3267                 (!insertInset(new InsetQuotes(c, bv_->buffer()->params))))
3268                 bv_->owner()->getLyXFunc()->dispatch(LFUN_SELFINSERT, string("\""));
3269 }
3270
3271
3272 void BufferView::Pimpl::insertAndEditInset(Inset * inset)
3273 {
3274 #if 0
3275         if (insertInset(inset))
3276                 inset->edit(bv_);
3277         else
3278                 delete inset;
3279 #else
3280         bool gotsel = false;
3281
3282         if (bv_->getLyXText()->selection.set()) {
3283                 bv_->getLyXText()->cutSelection(bv_, true, false);
3284                 gotsel = true;
3285         }
3286
3287         if (insertInset(inset)) {
3288                 inset->edit(bv_);
3289                 if (gotsel)
3290                         owner_->getLyXFunc()->dispatch(LFUN_PASTESELECTION);
3291         }
3292         else
3293                 delete inset;
3294 #endif
3295 }
3296
3297
3298 // Open and lock an updatable inset
3299 bool BufferView::Pimpl::open_new_inset(UpdatableInset * new_inset, bool behind)
3300 {
3301         LyXText * lt = bv_->getLyXText();
3302
3303         beforeChange(lt);
3304         finishUndo();
3305         if (!insertInset(new_inset)) {
3306                 delete new_inset;
3307                 return false;
3308         }
3309         new_inset->edit(bv_, !behind);
3310         return true;
3311 }
3312
3313
3314 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
3315 {
3316         // if we are in a locking inset we should try to insert the
3317         // inset there otherwise this is a illegal function now
3318         if (bv_->theLockingInset()) {
3319                 if (bv_->theLockingInset()->insetAllowed(inset))
3320                     return bv_->theLockingInset()->insertInset(bv_, inset);
3321                 return false;
3322         }
3323
3324         // not quite sure if we want this...
3325         setCursorParUndo(bv_);
3326         freezeUndo();
3327
3328         beforeChange(bv_->text);
3329         if (!lout.empty()) {
3330                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3331                 bv_->text->breakParagraph(bv_);
3332                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3333
3334                 if (bv_->text->cursor.par()->size()) {
3335                         bv_->text->cursorLeft(bv_);
3336
3337                         bv_->text->breakParagraph(bv_);
3338                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3339                 }
3340
3341                 string lres = lout;
3342                 LyXTextClass const & tclass =
3343                         buffer_->params.getLyXTextClass();
3344                 bool hasLayout = tclass.hasLayout(lres);
3345                 string lay = tclass.defaultLayoutName();
3346
3347                 if (hasLayout != false) {
3348                         // layout found
3349                         lay = lres;
3350                 } else {
3351                         // layout not fount using default
3352                         lay = tclass.defaultLayoutName();
3353                 }
3354
3355                 bv_->text->setLayout(bv_, lay);
3356
3357                 bv_->text->setParagraph(bv_, 0, 0,
3358                                    0, 0,
3359                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
3360                                    Spacing(),
3361                                    LYX_ALIGN_LAYOUT,
3362                                    string(),
3363                                    0);
3364                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3365         }
3366
3367         bv_->text->insertInset(bv_, inset);
3368         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3369
3370         unFreezeUndo();
3371         return true;
3372 }
3373
3374
3375 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
3376 {
3377         if (!inset || !available())
3378                 return;
3379
3380         // first check for locking insets
3381         if (bv_->theLockingInset()) {
3382                 if (bv_->theLockingInset() == inset) {
3383                         if (bv_->text->updateInset(bv_, inset)) {
3384                                 update();
3385                                 if (mark_dirty) {
3386                                         buffer_->markDirty();
3387                                 }
3388                                 updateScrollbar();
3389                                 return;
3390                         }
3391                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
3392                         if (bv_->text->updateInset(bv_,  bv_->theLockingInset())) {
3393                                 update();
3394                                 if (mark_dirty) {
3395                                         buffer_->markDirty();
3396                                 }
3397                                 updateScrollbar();
3398                                 return;
3399                         }
3400                 }
3401         }
3402
3403         // then check if the inset is a top_level inset (has no owner)
3404         // if yes do the update as always otherwise we have to update the
3405         // toplevel inset where this inset is inside
3406         Inset * tl_inset = inset;
3407         while(tl_inset->owner())
3408                 tl_inset = tl_inset->owner();
3409         hideCursor();
3410         if (tl_inset == inset) {
3411                 update(bv_->text, BufferView::UPDATE);
3412                 if (bv_->text->updateInset(bv_, inset)) {
3413                         if (mark_dirty) {
3414                                 update(bv_->text,
3415                                        BufferView::SELECT
3416                                        | BufferView::FITCUR
3417                                        | BufferView::CHANGE);
3418                         } else {
3419                                 update(bv_->text, SELECT);
3420                         }
3421                         return;
3422                 }
3423         } else if (static_cast<UpdatableInset *>(tl_inset)
3424                            ->updateInsetInInset(bv_, inset))
3425         {
3426                         if (bv_->text->updateInset(bv_,  tl_inset)) {
3427                                 update();
3428                                 updateScrollbar();
3429                         }
3430         }
3431 }
3432
3433
3434 void BufferView::Pimpl::gotoInset(vector<Inset::Code> const & codes,
3435                                   bool same_content)
3436 {
3437         if (!available()) return;
3438
3439         hideCursor();
3440         beforeChange(bv_->text);
3441         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3442
3443         LyXCursor const & cursor = bv_->text->cursor;
3444
3445         string contents;
3446         if (same_content &&
3447             cursor.par()->isInset(cursor.pos())) {
3448                 Inset const * inset = cursor.par()->getInset(cursor.pos());
3449                 if (find(codes.begin(), codes.end(), inset->lyxCode())
3450                     != codes.end())
3451                         contents =
3452                                 static_cast<InsetCommand const *>(inset)->getContents();
3453         }
3454
3455
3456         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3457                 if (bv_->text->cursor.pos()
3458                     || bv_->text->cursor.par() != bv_->text->ownerParagraph()) {
3459                         LyXCursor tmp = bv_->text->cursor;
3460                         bv_->text->cursor.par(bv_->text->ownerParagraph());
3461                         bv_->text->cursor.pos(0);
3462                         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3463                                 bv_->text->cursor = tmp;
3464                                 bv_->owner()->message(_("No more insets"));
3465                         }
3466                 } else {
3467                         bv_->owner()->message(_("No more insets"));
3468                 }
3469         }
3470         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3471         bv_->text->selection.cursor = bv_->text->cursor;
3472 }
3473
3474
3475 void BufferView::Pimpl::gotoInset(Inset::Code code, bool same_content)
3476 {
3477         gotoInset(vector<Inset::Code>(1, code), same_content);
3478 }