src/BufferView_pimpl.C

   1 #include <config.h>
   2
   3 #ifdef __GNUG__
   4 #pragma implementation
   5 #endif
   6
   7 #include "BufferView_pimpl.h"
   8 #include "WorkArea.h"
   9 #include "lyxscreen.h"
  10 #include "lyxtext.h"
  11 #include "lyxrow.h"
  12 #include "paragraph.h"
  13 #include "LyXView.h"
  14 #include "commandtags.h"
  15 #include "lyxfunc.h"
  16 #include "debug.h"
  17 #include "font.h"
  18 #include "bufferview_funcs.h"
  19 #include "TextCache.h"
  20 #include "bufferlist.h"
  21 #include "lyxrc.h"
  22 #include "intl.h"
  23 // added for Dispatch functions
  24 #include "lyx_cb.h"
  25 #include "lyx_main.h"
  26 #include "FloatList.h"
  27 #include "gettext.h"
  28 #include "ParagraphParameters.h"
  29 #include "undo_funcs.h"
  30 #include "lyxtextclasslist.h"
  31
  32 #include "frontends/Dialogs.h"
  33 #include "frontends/Alert.h"
  34 #include "frontends/FileDialog.h"
  35
  36 #include "insets/insetbib.h"
  37 #include "insets/insettext.h"
  38 #include "insets/inseturl.h"
  39 #include "insets/insetlatexaccent.h"
  40 #include "insets/insettoc.h"
  41 #include "insets/insetref.h"
  42 #include "insets/insetparent.h"
  43 #include "insets/insetindex.h"
  44 #include "insets/insetnote.h"
  45 #include "insets/insetinclude.h"
  46 #include "insets/insetcite.h"
  47 #include "insets/insetert.h"
  48 #include "insets/insetexternal.h"
  49 #include "insets/insetgraphics.h"
  50 #include "insets/insetfoot.h"
  51 #include "insets/insetmarginal.h"
  52 #include "insets/insetminipage.h"
  53 #include "insets/insetfloat.h"
  54 #include "insets/insettabular.h"
  55 #if 0
  56 #include "insets/insettheorem.h"
  57 #include "insets/insetlist.h"
  58 #endif
  59 #include "insets/insetcaption.h"
  60 #include "insets/insetfloatlist.h"
  61 #include "insets/insetspecialchar.h"
  62
  63 #include "mathed/formulabase.h"
  64
  65 #include "support/LAssert.h"
  66 #include "support/lstrings.h"
  67 #include "support/filetools.h"
  68 #include "support/lyxfunctional.h"
  69
  70 #include <ctime>
  71 #include <unistd.h>
  72 #include <sys/wait.h>
  73 #include <clocale>
  74
  75
  76 extern lyx::layout_type current_layout;
  77
  78 using std::vector;
  79 using std::find_if;
  80 using std::find;
  81 using std::pair;
  82 using std::endl;
  83 using std::make_pair;
  84 using std::min;
  85 using SigC::slot;
  86
  87 using lyx::pos_type;
  88 using lyx::layout_type;
  89 using lyx::textclass_type;
  90
  91 /* the selection possible is needed, that only motion events are
  92  * used, where the bottom press event was on the drawing area too */
  93 bool selection_possible = false;
  94
  95 extern BufferList bufferlist;
  96 extern char ascii_type;
  97
  98 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
  99
 100
 101 namespace {
 102
 103 const unsigned int saved_positions_num = 20;
 104
 105 inline
 106 void waitForX()
 107 {
 108         XSync(fl_get_display(), 0);
 109 }
 110
 111
 112 void SetXtermCursor(Window win)
 113 {
 114         static Cursor cursor;
 115         static bool cursor_undefined = true;
 116         if (cursor_undefined) {
 117                 cursor = XCreateFontCursor(fl_get_display(), XC_xterm);
 118                 XFlush(fl_get_display());
 119                 cursor_undefined = false;
 120         }
 121         XDefineCursor(fl_get_display(), win, cursor);
 122         XFlush(fl_get_display());
 123 }
 124
 125 } // anon namespace
 126
 127
 128 BufferView::Pimpl::Pimpl(BufferView * b, LyXView * o,
 129              int xpos, int ypos, int width, int height)
 130         : bv_(b), owner_(o), buffer_(0),
 131           current_scrollbar_value(0), cursor_timeout(400),
 132           workarea_(xpos, ypos, width, height), using_xterm_cursor(false),
 133           inset_slept(false)
 134 {
 135         // Setup the signals
 136         workarea_.scrollCB.connect(slot(this, &BufferView::Pimpl::scrollCB));
 137         workarea_.workAreaExpose
 138                 .connect(slot(this, &BufferView::Pimpl::workAreaExpose));
 139         workarea_.workAreaEnter
 140                 .connect(slot(this, &BufferView::Pimpl::enterView));
 141         workarea_.workAreaLeave
 142                 .connect(slot(this, &BufferView::Pimpl::leaveView));
 143         workarea_.workAreaButtonPress
 144                 .connect(slot(this, &BufferView::Pimpl::workAreaButtonPress));
 145         workarea_.workAreaButtonRelease
 146                 .connect(slot(this,
 147                               &BufferView::Pimpl::workAreaButtonRelease));
 148         workarea_.workAreaMotionNotify
 149                 .connect(slot(this, &BufferView::Pimpl::workAreaMotionNotify));
 150         workarea_.workAreaDoubleClick
 151                 .connect(slot(this, &BufferView::Pimpl::doubleClick));
 152         workarea_.workAreaTripleClick
 153                 .connect(slot(this, &BufferView::Pimpl::tripleClick));
 154         workarea_.workAreaKeyPress
 155                 .connect(slot(this, &BufferView::Pimpl::workAreaKeyPress));
 156         workarea_.selectionRequested
 157                 .connect(slot(this, &BufferView::Pimpl::selectionRequested));
 158         workarea_.selectionLost
 159                 .connect(slot(this, &BufferView::Pimpl::selectionLost));
 160
 161         cursor_timeout.timeout.connect(slot(this,
 162                                             &BufferView::Pimpl::cursorToggle));
 163         cursor_timeout.start();
 164         workarea_.setFocus();
 165         saved_positions.resize(saved_positions_num);
 166 }
 167
 168
 169 Painter & BufferView::Pimpl::painter()
 170 {
 171         return workarea_.getPainter();
 172 }
 173
 174
 175 void BufferView::Pimpl::buffer(Buffer * b)
 176 {
 177         lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
 178                             << b << ")" << endl;
 179         if (buffer_) {
 180                 insetSleep();
 181                 buffer_->delUser(bv_);
 182
 183                 // Put the old text into the TextCache, but
 184                 // only if the buffer is still loaded.
 185                 // Also set the owner of the test to 0
 186                 //              bv_->text->owner(0);
 187                 textcache.add(buffer_, workarea_.workWidth(), bv_->text);
 188                 if (lyxerr.debugging())
 189                         textcache.show(lyxerr, "BufferView::buffer");
 190
 191                 bv_->text = 0;
 192         }
 193
 194         // Set current buffer
 195         buffer_ = b;
 196
 197         if (bufferlist.getState() == BufferList::CLOSING) return;
 198
 199         // Nuke old image
 200         // screen is always deleted when the buffer is changed.
 201         screen_.reset(0);
 202
 203         // If we are closing the buffer, use the first buffer as current
 204         if (!buffer_) {
 205                 buffer_ = bufferlist.first();
 206         }
 207
 208         if (buffer_) {
 209                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
 210                 buffer_->addUser(bv_);
 211                 // If we don't have a text object for this, we make one
 212                 if (bv_->text == 0) {
 213                         resizeCurrentBuffer();
 214                 } else {
 215                         updateScreen();
 216                         updateScrollbar();
 217                 }
 218                 bv_->text->first = screen_->topCursorVisible(bv_->text);
 219                 owner_->updateMenubar();
 220                 owner_->updateToolbar();
 221                 // Similarly, buffer-dependent dialogs should be updated or
 222                 // hidden. This should go here because some dialogs (eg ToC)
 223                 // require bv_->text.
 224                 owner_->getDialogs()->updateBufferDependent(true);
 225                 redraw();
 226                 insetWakeup();
 227         } else {
 228                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
 229                 owner_->updateMenubar();
 230                 owner_->updateToolbar();
 231                 owner_->getDialogs()->hideBufferDependent();
 232                 updateScrollbar();
 233                 workarea_.redraw();
 234
 235                 // Also remove all remaining text's from the testcache.
 236                 // (there should not be any!) (if there is any it is a
 237                 // bug!)
 238                 if (lyxerr.debugging())
 239                         textcache.show(lyxerr, "buffer delete all");
 240                 textcache.clear();
 241         }
 242         // should update layoutchoice even if we don't have a buffer.
 243         owner_->updateLayoutChoice();
 244
 245         owner_->updateWindowTitle();
 246 }
 247
 248
 249 void BufferView::Pimpl::resize(int xpos, int ypos, int width, int height)
 250 {
 251         workarea_.resize(xpos, ypos, width, height);
 252         update(bv_->text, SELECT);
 253         redraw();
 254 }
 255
 256
 257 void BufferView::Pimpl::resize()
 258 {
 259         if (buffer_)
 260                 resizeCurrentBuffer();
 261 }
 262
 263
 264 void BufferView::Pimpl::redraw()
 265 {
 266         lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
 267         workarea_.redraw();
 268 }
 269
 270
 271 bool BufferView::Pimpl::fitCursor()
 272 {
 273         lyx::Assert(screen_.get());
 274
 275         bool ret;
 276
 277         if (bv_->theLockingInset()) {
 278                 bv_->theLockingInset()->fitInsetCursor(bv_);
 279                 ret = true;
 280         } else {
 281                 ret = screen_->fitCursor(bv_->text, bv_);
 282         }
 283
 284         bv_->owner()->getDialogs()->updateParagraph();
 285         if (ret)
 286             updateScrollbar();
 287         return ret;
 288 }
 289
 290
 291 void BufferView::Pimpl::redoCurrentBuffer()
 292 {
 293         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
 294         if (buffer_ && bv_->text) {
 295                 resize();
 296                 owner_->updateLayoutChoice();
 297         }
 298 }
 299
 300
 301 int BufferView::Pimpl::resizeCurrentBuffer()
 302 {
 303         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
 304
 305         Paragraph * par = 0;
 306         Paragraph * selstartpar = 0;
 307         Paragraph * selendpar = 0;
 308         UpdatableInset * the_locking_inset = 0;
 309
 310         pos_type pos = 0;
 311         pos_type selstartpos = 0;
 312         pos_type selendpos = 0;
 313         bool selection = false;
 314         bool mark_set  = false;
 315
 316         owner_->prohibitInput();
 317
 318         owner_->message(_("Formatting document..."));
 319
 320         if (bv_->text) {
 321                 par = bv_->text->cursor.par();
 322                 pos = bv_->text->cursor.pos();
 323                 selstartpar = bv_->text->selection.start.par();
 324                 selstartpos = bv_->text->selection.start.pos();
 325                 selendpar = bv_->text->selection.end.par();
 326                 selendpos = bv_->text->selection.end.pos();
 327                 selection = bv_->text->selection.set();
 328                 mark_set = bv_->text->selection.mark();
 329                 the_locking_inset = bv_->theLockingInset();
 330                 delete bv_->text;
 331                 bv_->text = new LyXText(bv_);
 332                 bv_->text->init(bv_);
 333         } else {
 334                 // See if we have a text in TextCache that fits
 335                 // the new buffer_ with the correct width.
 336                 bv_->text = textcache.findFit(buffer_, workarea_.workWidth());
 337                 if (bv_->text) {
 338                         if (lyxerr.debugging()) {
 339                                 lyxerr << "Found a LyXText that fits:\n";
 340                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea_.workWidth(), bv_->text)));
 341                         }
 342                         // Set the owner of the newly found text
 343                         //      bv_->text->owner(bv_);
 344                         if (lyxerr.debugging())
 345                                 textcache.show(lyxerr, "resizeCurrentBuffer");
 346                 } else {
 347                         bv_->text = new LyXText(bv_);
 348                         bv_->text->init(bv_);
 349                 }
 350         }
 351         updateScreen();
 352
 353         if (par) {
 354                 bv_->text->selection.set(true);
 355                 /* at this point just to avoid the Delete-Empty-Paragraph
 356                  * Mechanism when setting the cursor */
 357                 bv_->text->selection.mark(mark_set);
 358                 if (selection) {
 359                         bv_->text->setCursor(bv_, selstartpar, selstartpos);
 360                         bv_->text->selection.cursor = bv_->text->cursor;
 361                         bv_->text->setCursor(bv_, selendpar, selendpos);
 362                         bv_->text->setSelection(bv_);
 363                         bv_->text->setCursor(bv_, par, pos);
 364                 } else {
 365                         bv_->text->setCursor(bv_, par, pos);
 366                         bv_->text->selection.cursor = bv_->text->cursor;
 367                         bv_->text->selection.set(false);
 368                 }
 369                 // remake the inset locking
 370                 bv_->theLockingInset(the_locking_inset);
 371         }
 372         bv_->text->first = screen_->topCursorVisible(bv_->text);
 373 #if 0
 374         buffer_->resizeInsets(bv_);
 375 #endif
 376         // this will scroll the screen such that the cursor becomes visible
 377         updateScrollbar();
 378         redraw();
 379
 380         setState();
 381         owner_->allowInput();
 382
 383         /// clear the "Formatting Document" message
 384         owner_->message("");
 385
 386         return 0;
 387 }
 388
 389
 390 void BufferView::Pimpl::updateScreen()
 391 {
 392         // Regenerate the screen.
 393         screen_.reset(new LyXScreen(workarea_));
 394 }
 395
 396
 397 void BufferView::Pimpl::updateScrollbar()
 398 {
 399         /* If the text is smaller than the working area, the scrollbar
 400          * maximum must be the working area height. No scrolling will
 401          * be possible */
 402         if (!bv_->text) {
 403                 workarea_.setScrollbar(0, 1.0);
 404                 return;
 405         }
 406
 407         long const text_height = bv_->text->height;
 408         long const work_height = workarea_.height();
 409
 410         if (text_height <= work_height) {
 411                 workarea_.setScrollbarBounds(0.0, 0.0);
 412                 current_scrollbar_value = bv_->text->first;
 413                 workarea_.setScrollbar(current_scrollbar_value, 1.0);
 414                 return;
 415         }
 416
 417         double const lineh = bv_->text->defaultHeight();
 418         double const slider_size =
 419                 (text_height == 0) ? 1.0 : 1.0 / double(text_height);
 420
 421         static long old_text_height;
 422         static double old_lineh;
 423         static double old_slider_size;
 424
 425         if (text_height != old_text_height) {
 426                 workarea_.setScrollbarBounds(0.0,
 427                                              text_height - work_height);
 428                 old_text_height = text_height;
 429         }
 430         if (lineh != old_lineh) {
 431                 workarea_.setScrollbarIncrements(lineh);
 432                 old_lineh = lineh;
 433         }
 434         if (current_scrollbar_value != bv_->text->first
 435             || slider_size != old_slider_size) {
 436                 current_scrollbar_value = bv_->text->first;
 437                 workarea_.setScrollbar(current_scrollbar_value, slider_size);
 438                 old_slider_size = slider_size;
 439         }
 440 }
 441
 442
 443 // Callback for scrollbar slider
 444 void BufferView::Pimpl::scrollCB(double value)
 445 {
 446         if (!buffer_) return;
 447
 448         current_scrollbar_value = long(value);
 449
 450         if (current_scrollbar_value < 0)
 451                 current_scrollbar_value = 0;
 452
 453         if (!screen_.get())
 454                 return;
 455
 456         screen_->draw(bv_->text, bv_, current_scrollbar_value);
 457
 458         if (!lyxrc.cursor_follows_scrollbar) {
 459                 waitForX();
 460                 return;
 461         }
 462
 463         LyXText * vbt = bv_->text;
 464
 465         int const height = vbt->defaultHeight();
 466         int const first = static_cast<int>((bv_->text->first + height));
 467         int const last = static_cast<int>((bv_->text->first + workarea_.height() - height));
 468
 469         if (vbt->cursor.y() < first)
 470                 vbt->setCursorFromCoordinates(bv_, 0, first);
 471         else if (vbt->cursor.y() > last)
 472                 vbt->setCursorFromCoordinates(bv_, 0, last);
 473
 474         waitForX();
 475 }
 476
 477
 478 int BufferView::Pimpl::scrollUp(long time)
 479 {
 480         if (!buffer_) return 0;
 481         if (!screen_.get()) return 0;
 482
 483         double value = workarea_.getScrollbarValue();
 484
 485         if (value == 0) return 0;
 486
 487         float add_value =  (bv_->text->defaultHeight()
 488                             + float(time) * float(time) * 0.125);
 489
 490         if (add_value > workarea_.height())
 491                 add_value = float(workarea_.height() -
 492                                   bv_->text->defaultHeight());
 493
 494         value -= add_value;
 495
 496         if (value < 0)
 497                 value = 0;
 498
 499         workarea_.setScrollbarValue(value);
 500
 501         scrollCB(value);
 502         return 0;
 503 }
 504
 505
 506 int BufferView::Pimpl::scrollDown(long time)
 507 {
 508         if (!buffer_) return 0;
 509         if (!screen_.get()) return 0;
 510
 511         double value = workarea_.getScrollbarValue();
 512         pair<float, float> p = workarea_.getScrollbarBounds();
 513         double const max = p.second;
 514
 515         if (value == max) return 0;
 516
 517         float add_value =  (bv_->text->defaultHeight()
 518                             + float(time) * float(time) * 0.125);
 519
 520         if (add_value > workarea_.height())
 521                 add_value = float(workarea_.height() -
 522                                   bv_->text->defaultHeight());
 523
 524         value += add_value;
 525
 526         if (value > max)
 527                 value = max;
 528
 529         workarea_.setScrollbarValue(value);
 530
 531         scrollCB(value);
 532         return 0;
 533 }
 534
 535
 536 void BufferView::Pimpl::workAreaKeyPress(KeySym keysym, unsigned int state)
 537 {
 538         bv_->owner()->getLyXFunc()->processKeySym(keysym, state);
 539 }
 540
 541
 542 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
 543 {
 544         // Only use motion with button 1
 545         if (!(state & Button1MotionMask))
 546                 return;
 547
 548         if (!buffer_ || !screen_.get()) return;
 549
 550         // Check for inset locking
 551         if (bv_->theLockingInset()) {
 552                 LyXCursor cursor = bv_->text->cursor;
 553                 LyXFont font = bv_->text->getFont(buffer_,
 554                                                   cursor.par(), cursor.pos());
 555                 int width = bv_->theLockingInset()->width(bv_, font);
 556                 int inset_x = font.isVisibleRightToLeft()
 557                         ? cursor.x() - width : cursor.x();
 558                 int start_x = inset_x + bv_->theLockingInset()->scroll();
 559                 bv_->theLockingInset()->
 560                         insetMotionNotify(bv_,
 561                                           x - start_x,
 562                                           y - cursor.y() + bv_->text->first,
 563                                           state);
 564                 return;
 565         }
 566
 567         /* The test for not selection possible is needed, that only motion
 568            events are used, where the bottom press event was on
 569            the drawing area too */
 570         if (!selection_possible)
 571                 return;
 572
 573         screen_->hideCursor();
 574
 575         bv_->text->setCursorFromCoordinates(bv_, x, y + bv_->text->first);
 576
 577         if (!bv_->text->selection.set())
 578                 update(bv_->text, BufferView::UPDATE); // Maybe an empty line was deleted
 579
 580         bv_->text->setSelection(bv_);
 581         screen_->toggleToggle(bv_->text, bv_);
 582         fitCursor();
 583         showCursor();
 584 }
 585
 586
 587 // Single-click on work area
 588 void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
 589                                             unsigned int button)
 590 {
 591         if (!buffer_ || !screen_.get()) return;
 592
 593         Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos);
 594
 595         // ok ok, this is a hack.
 596         if (button == 4 || button == 5) {
 597                 switch (button) {
 598                 case 4:
 599                         scrollUp(lyxrc.wheel_jump); // default 100, set in lyxrc
 600                         break;
 601                 case 5:
 602                         scrollDown(lyxrc.wheel_jump);
 603                         break;
 604                 }
 605         }
 606
 607         if (bv_->theLockingInset()) {
 608                 // We are in inset locking mode
 609
 610                 /* Check whether the inset was hit. If not reset mode,
 611                    otherwise give the event to the inset */
 612                 if (inset_hit == bv_->theLockingInset()) {
 613                         bv_->theLockingInset()->
 614                                 insetButtonPress(bv_,xpos, ypos,button);
 615                         return;
 616                 } else {
 617                         bv_->unlockInset(bv_->theLockingInset());
 618                 }
 619         }
 620
 621         if (!inset_hit)
 622                 selection_possible = true;
 623         screen_->hideCursor();
 624
 625         int const screen_first = bv_->text->first;
 626
 627         // Middle button press pastes if we have a selection
 628         bool paste_internally = false;
 629         if (button == 2
 630             && bv_->text->selection.set()) {
 631                 owner_->getLyXFunc()->dispatch(LFUN_COPY);
 632                 paste_internally = true;
 633         }
 634
 635         // Clear the selection
 636         screen_->toggleSelection(bv_->text, bv_);
 637         bv_->text->clearSelection();
 638         bv_->text->fullRebreak(bv_);
 639         update();
 640         updateScrollbar();
 641
 642         // Single left click in math inset?
 643         if (isHighlyEditableInset(inset_hit)) {
 644                 // Highly editable inset, like math
 645                 UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
 646                 selection_possible = false;
 647                 owner_->updateLayoutChoice();
 648                 owner_->message(inset->editMessage());
 649                 // IMO the inset has to be first in edit-mode and then we send the
 650                 // button press. (Jug 20020222)
 651                 inset->edit(bv_); //, xpos, ypos, button);
 652                 inset->insetButtonPress(bv_, xpos, ypos, button);
 653                 return;
 654         }
 655
 656         // Right click on a footnote flag opens float menu
 657         if (button == 3) {
 658                 selection_possible = false;
 659                 return;
 660         }
 661
 662         if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
 663                 bv_->text->setCursorFromCoordinates(bv_, xpos, ypos + screen_first);
 664         finishUndo();
 665         bv_->text->selection.cursor = bv_->text->cursor;
 666         bv_->text->cursor.x_fix(bv_->text->cursor.x());
 667
 668         owner_->updateLayoutChoice();
 669         if (fitCursor()) {
 670                 selection_possible = false;
 671         }
 672
 673         // Insert primary selection with middle mouse
 674         // if there is a local selection in the current buffer,
 675         // insert this
 676         if (button == 2) {
 677                 if (paste_internally)
 678                         owner_->getLyXFunc()->dispatch(LFUN_PASTE);
 679                 else
 680                         owner_->getLyXFunc()->dispatch(LFUN_PASTESELECTION,
 681                                                        "paragraph");
 682                 selection_possible = false;
 683                 return;
 684         }
 685 }
 686
 687
 688 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, unsigned int button)
 689 {
 690         // select a word
 691         if (!buffer_)
 692                 return;
 693
 694         LyXText * text = bv_->getLyXText();
 695
 696         if (text->bv_owner && bv_->theLockingInset())
 697                 return;
 698
 699         if (screen_.get() && button == 1) {
 700                 if (text->bv_owner) {
 701                         screen_->hideCursor();
 702                         screen_->toggleSelection(text, bv_);
 703                         text->selectWord(bv_, LyXText::WHOLE_WORD_STRICT);
 704                         screen_->toggleSelection(text, bv_, false);
 705                 } else {
 706                         text->selectWord(bv_, LyXText::WHOLE_WORD_STRICT);
 707                 }
 708                 /* This will fit the cursor on the screen
 709                  * if necessary */
 710                 update(text, BufferView::SELECT|BufferView::FITCUR);
 711         }
 712 }
 713
 714
 715 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
 716 {
 717         // select a line
 718         if (!buffer_)
 719                 return;
 720
 721         LyXText * text = bv_->getLyXText();
 722
 723         if (text->bv_owner && bv_->theLockingInset())
 724             return;
 725
 726         if (screen_.get() && (button == 1)) {
 727                 if (text->bv_owner) {
 728                         screen_->hideCursor();
 729                         screen_->toggleSelection(text, bv_);
 730                 }
 731                 text->cursorHome(bv_);
 732                 text->selection.cursor = text->cursor;
 733                 text->cursorEnd(bv_);
 734                 text->setSelection(bv_);
 735                 if (text->bv_owner) {
 736                         screen_->toggleSelection(text, bv_, false);
 737                 }
 738                 /* This will fit the cursor on the screen
 739                  * if necessary */
 740                 update(text, BufferView::SELECT|BufferView::FITCUR);
 741         }
 742 }
 743
 744
 745 void BufferView::Pimpl::selectionRequested()
 746 {
 747         if (!available())
 748                 return;
 749
 750         string const sel(bv_->getLyXText()->selectionAsString(bv_->buffer(),
 751                                                               false));
 752         if (!sel.empty()) {
 753                 workarea_.putClipboard(sel);
 754         }
 755 }
 756
 757
 758 void BufferView::Pimpl::selectionLost()
 759 {
 760         hideCursor();
 761         toggleSelection();
 762         bv_->getLyXText()->clearSelection();
 763         showCursor();
 764 }
 765
 766
 767 void BufferView::Pimpl::enterView()
 768 {
 769         if (active() && available()) {
 770                 SetXtermCursor(workarea_.getWin());
 771                 using_xterm_cursor = true;
 772         }
 773 }
 774
 775
 776 void BufferView::Pimpl::leaveView()
 777 {
 778         if (using_xterm_cursor) {
 779                 XUndefineCursor(fl_get_display(), workarea_.getWin());
 780                 using_xterm_cursor = false;
 781         }
 782 }
 783
 784
 785 void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
 786                                               unsigned int button)
 787 {
 788         if (!buffer_ || !screen_.get()) return;
 789
 790         // If we hit an inset, we have the inset coordinates in these
 791         // and inset_hit points to the inset.  If we do not hit an
 792         // inset, inset_hit is 0, and inset_x == x, inset_y == y.
 793         Inset * inset_hit = checkInsetHit(bv_->text, x, y);
 794
 795         if (bv_->theLockingInset()) {
 796                 // We are in inset locking mode.
 797
 798                 /* LyX does a kind of work-area grabbing for insets.
 799                    Only a ButtonPress Event outside the inset will
 800                    force a insetUnlock. */
 801                 bv_->theLockingInset()->
 802                         insetButtonRelease(bv_, x, y, button);
 803                 return;
 804         }
 805
 806         selection_possible = false;
 807
 808         if (button == 2)
 809                 return;
 810
 811         // finish selection
 812         if (button == 1) {
 813                 workarea_.haveSelection(bv_->getLyXText()->selection.set());
 814         }
 815
 816         setState();
 817         owner_->showState();
 818         owner_->updateMenubar();
 819         owner_->updateToolbar();
 820
 821         // Did we hit an editable inset?
 822         if (inset_hit) {
 823                 selection_possible = false;
 824
 825                 // if we reach this point with a selection, it
 826                 // must mean we are currently selecting.
 827                 // But we don't want to open the inset
 828                 // because that is annoying for the user.
 829                 // So just pretend we didn't hit it.
 830                 // this is OK because a "kosher" ButtonRelease
 831                 // will follow a ButtonPress that clears
 832                 // the selection.
 833                 // Note this also fixes selection drawing
 834                 // problems if we end up opening an inset
 835                 if (bv_->getLyXText()->selection.set())
 836                         return;
 837
 838                 // CHECK fix this proper in 0.13
 839                 // well, maybe 13.0 !!!!!!!!!
 840
 841                 // Following a ref shouldn't issue
 842                 // a push on the undo-stack
 843                 // anylonger, now that we have
 844                 // keybindings for following
 845                 // references and returning from
 846                 // references.  IMHO though, it
 847                 // should be the inset's own business
 848                 // to push or not push on the undo
 849                 // stack. They don't *have* to
 850                 // alter the document...
 851                 // (Joacim)
 852                 // ...or maybe the SetCursorParUndo()
 853                 // below isn't necessary at all anylonger?
 854                 if (inset_hit->lyxCode() == Inset::REF_CODE) {
 855                         setCursorParUndo(bv_);
 856                 }
 857
 858                 owner_->message(inset_hit->editMessage());
 859
 860                 if (isHighlyEditableInset(inset_hit)) {
 861                         // Highly editable inset, like math
 862                         UpdatableInset *inset = (UpdatableInset *)inset_hit;
 863                         inset->insetButtonRelease(bv_, x, y, button);
 864                 } else {
 865                         inset_hit->insetButtonRelease(bv_, x, y, button);
 866                         inset_hit->edit(bv_, x, y, button);
 867                 }
 868                 return;
 869         }
 870
 871         // Maybe we want to edit a bibitem ale970302
 872         if (bv_->text->cursor.par()->bibkey && x < 20 +
 873             bibitemMaxWidth(bv_, textclasslist.
 874                             TextClass(buffer_->
 875                                       params.textclass).defaultfont())) {
 876                 bv_->text->cursor.par()->bibkey->edit(bv_, 0, 0, 0);
 877         }
 878
 879         return;
 880 }
 881
 882
 883 Box BufferView::Pimpl::insetDimensions(LyXText const & text,
 884                                        LyXCursor const & cursor) const
 885 {
 886         Paragraph /*const*/ & par = *cursor.par();
 887         pos_type const pos = cursor.pos();
 888
 889         lyx::Assert(par.getInset(pos));
 890
 891         Inset const & inset(*par.getInset(pos));
 892
 893         LyXFont const & font = text.getFont(buffer_, &par, pos);
 894
 895         int const width = inset.width(bv_, font);
 896         int const inset_x = font.isVisibleRightToLeft()
 897                 ? (cursor.x() - width) : cursor.x();
 898
 899         return Box(
 900                 inset_x + inset.scroll(),
 901                 inset_x + width,
 902                 cursor.y() - inset.ascent(bv_, font),
 903                 cursor.y() + inset.descent(bv_, font));
 904 }
 905
 906
 907 Inset * BufferView::Pimpl::checkInset(LyXText const & text,
 908                                       LyXCursor const & cursor,
 909                                       int & x, int & y) const
 910 {
 911         pos_type const pos(cursor.pos());
 912         Paragraph /*const*/ & par(*cursor.par());
 913
 914         if (pos >= par.size() || !par.isInset(pos)) {
 915                 return 0;
 916         }
 917
 918         Inset /*const*/ * inset = par.getInset(pos);
 919
 920         if (!isEditableInset(inset)) {
 921                 return 0;
 922         }
 923
 924         Box b(insetDimensions(text, cursor));
 925
 926         if (!b.contained(x, y)) {
 927                 lyxerr[Debug::GUI] << "Missed inset at x,y " << x << "," << y
 928                         << " box " << b << endl;
 929                 return 0;
 930         }
 931
 932         text.setCursor(bv_, &par, pos, true);
 933
 934         x -= b.x1;
 935         // The origin of an inset is on the baseline
 936         y -= (text.cursor.y());
 937
 938         return inset;
 939 }
 940
 941
 942 Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y)
 943 {
 944         if (!screen_.get())
 945                 return 0;
 946
 947         int y_tmp = y + text->first;
 948
 949         LyXCursor cursor;
 950         text->setCursorFromCoordinates(bv_, cursor, x, y_tmp);
 951
 952         Inset * inset(checkInset(*text, cursor, x, y_tmp));
 953
 954         if (inset) {
 955                 y = y_tmp;
 956                 return inset;
 957         }
 958
 959         // look at previous position
 960
 961         if (cursor.pos() == 0) {
 962                 return 0;
 963         }
 964
 965         // move back one
 966         text->setCursor(bv_, cursor, cursor.par(), cursor.pos() - 1, true);
 967
 968         inset = checkInset(*text, cursor, x, y_tmp);
 969         if (inset) {
 970                 y = y_tmp;
 971         }
 972         return inset;
 973 }
 974
 975
 976 void BufferView::Pimpl::workAreaExpose()
 977 {
 978         static int work_area_width;
 979         static unsigned int work_area_height;
 980
 981         bool const widthChange = workarea_.workWidth() != work_area_width;
 982         bool const heightChange = workarea_.height() != work_area_height;
 983
 984         // update from work area
 985         work_area_width = workarea_.workWidth();
 986         work_area_height = workarea_.height();
 987         if (buffer_ != 0) {
 988                 if (widthChange) {
 989                         // The visible LyXView need a resize
 990                         owner_->resize();
 991
 992                         // Remove all texts from the textcache
 993                         // This is not _really_ what we want to do. What
 994                         // we really want to do is to delete in textcache
 995                         // that does not have a BufferView with matching
 996                         // width, but as long as we have only one BufferView
 997                         // deleting all gives the same result.
 998                         if (lyxerr.debugging())
 999                                 textcache.show(lyxerr, "Expose delete all");
1000                         textcache.clear();
1001                 } else if (heightChange) {
1002                         // Rebuild image of current screen
1003                         updateScreen();
1004                         // fitCursor() ensures we don't jump back
1005                         // to the start of the document on vertical
1006                         // resize
1007                         fitCursor();
1008
1009                         // The main window size has changed, repaint most stuff
1010                         redraw();
1011                 } else if (screen_.get())
1012                     screen_->redraw(bv_->text, bv_);
1013         } else {
1014                 // Grey box when we don't have a buffer
1015                 workarea_.greyOut();
1016         }
1017
1018         // always make sure that the scrollbar is sane.
1019         updateScrollbar();
1020         owner_->updateLayoutChoice();
1021         return;
1022 }
1023
1024
1025 void BufferView::Pimpl::update()
1026 {
1027         if (screen_.get() &&
1028                 (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()))
1029         {
1030                 LyXText::text_status st = bv_->text->status();
1031                 screen_->update(bv_->text, bv_);
1032                 bool fitc = false;
1033                 while (bv_->text->status() == LyXText::CHANGED_IN_DRAW) {
1034                         if (bv_->text->fullRebreak(bv_)) {
1035                                 st = LyXText::NEED_MORE_REFRESH;
1036                                 bv_->text->setCursor(bv_, bv_->text->cursor.par(),
1037                                                                          bv_->text->cursor.pos());
1038                                 fitc = true;
1039                         }
1040                         bv_->text->status(bv_, st);
1041                         screen_->update(bv_->text, bv_);
1042                 }
1043                 // do this here instead of in the screen::update because of
1044                 // the above loop!
1045                 bv_->text->status(bv_, LyXText::UNCHANGED);
1046                 if (fitc)
1047                         fitCursor();
1048         }
1049 }
1050
1051 // Values used when calling update:
1052 // -3 - update
1053 // -2 - update, move sel_cursor if selection, fitcursor
1054 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
1055 //  0 - update, move sel_cursor if selection, fitcursor
1056 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
1057 //  3 - update, move sel_cursor if selection
1058 //
1059 // update -
1060 // a simple redraw of the parts that need refresh
1061 //
1062 // move sel_cursor if selection -
1063 // the text's sel_cursor is moved if there is selection is progress
1064 //
1065 // fitcursor -
1066 // fitCursor() is called and the scrollbar updated
1067 //
1068 // mark dirty -
1069 // the buffer is marked dirty.
1070 //
1071 // enum {
1072 //       UPDATE = 0,
1073 //       SELECT = 1,
1074 //       FITCUR = 2,
1075 //       CHANGE = 4
1076 // };
1077 //
1078 // UPDATE_ONLY = UPDATE;
1079 // UPDATE_SELECT = UPDATE | SELECT;
1080 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
1081 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
1082 //
1083 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
1084 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
1085 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1086 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1087 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
1088
1089 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
1090 {
1091         owner_->updateLayoutChoice();
1092
1093         if (!text->selection.set() && (f & SELECT)) {
1094                 text->selection.cursor = text->cursor;
1095         }
1096
1097         text->fullRebreak(bv_);
1098
1099         if (text->inset_owner) {
1100                 text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
1101             updateInset(text->inset_owner, false);
1102         } else {
1103             update();
1104         }
1105
1106         if ((f & FITCUR)) {
1107                 fitCursor();
1108         }
1109
1110         if ((f & CHANGE)) {
1111                 buffer_->markDirty();
1112         }
1113 }
1114
1115
1116 // Callback for cursor timer
1117 void BufferView::Pimpl::cursorToggle()
1118 {
1119         if (!buffer_) {
1120                 cursor_timeout.restart();
1121                 return;
1122         }
1123
1124         if (!screen_.get()) {
1125                 cursor_timeout.restart();
1126                 return;
1127         }
1128
1129         /* FIXME */
1130         extern void reapSpellchecker(void);
1131         reapSpellchecker();
1132
1133         if (!bv_->theLockingInset()) {
1134                 screen_->cursorToggle(bv_);
1135         } else {
1136                 bv_->theLockingInset()->toggleInsetCursor(bv_);
1137         }
1138
1139         cursor_timeout.restart();
1140 }
1141
1142
1143 void BufferView::Pimpl::cursorPrevious(LyXText * text)
1144 {
1145         if (!text->cursor.row()->previous())
1146                 return;
1147
1148         int y = text->first;
1149         if (text->inset_owner)
1150                 y += bv_->text->first;
1151         Row * cursorrow = text->cursor.row();
1152         text->setCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y);
1153         finishUndo();
1154         // This is to allow jumping over large insets
1155         if ((cursorrow == text->cursor.row()))
1156                 text->cursorUp(bv_);
1157
1158         if (text->inset_owner ||
1159             text->cursor.row()->height() < workarea_.height())
1160                 screen_->draw(bv_->text, bv_,
1161                               text->cursor.y()
1162                               - text->cursor.row()->baseline()
1163                               + text->cursor.row()->height()
1164                               - workarea_.height() + 1);
1165         updateScrollbar();
1166 }
1167
1168
1169 void BufferView::Pimpl::cursorNext(LyXText * text)
1170 {
1171         if (!text->cursor.row()->next())
1172                 return;
1173
1174         int y = text->first + workarea_.height();
1175 //      if (text->inset_owner)
1176 //              y += bv_->text->first;
1177         text->getRowNearY(y);
1178
1179         Row * cursorrow = text->cursor.row();
1180         text->setCursorFromCoordinates(bv_, text->cursor.x_fix(), y); // + workarea_->height());
1181         finishUndo();
1182         // This is to allow jumping over large insets
1183         if ((cursorrow == bv_->text->cursor.row()))
1184                 text->cursorDown(bv_);
1185
1186         if (text->inset_owner ||
1187             text->cursor.row()->height() < workarea_.height())
1188                 screen_->draw(bv_->text, bv_, text->cursor.y() -
1189                               text->cursor.row()->baseline());
1190         updateScrollbar();
1191 }
1192
1193
1194 bool BufferView::Pimpl::available() const
1195 {
1196         if (buffer_ && bv_->text) return true;
1197         return false;
1198 }
1199
1200
1201 void BufferView::Pimpl::beforeChange(LyXText * text)
1202 {
1203         toggleSelection();
1204         text->clearSelection();
1205 }
1206
1207
1208 void BufferView::Pimpl::savePosition(unsigned int i)
1209 {
1210         if (i >= saved_positions_num)
1211                 return;
1212         saved_positions[i] = Position(buffer_->fileName(),
1213                                       bv_->text->cursor.par()->id(),
1214                                       bv_->text->cursor.pos());
1215         if (i > 0) {
1216                 ostringstream str;
1217                 str << _("Saved bookmark") << ' ' << i;
1218                 owner_->message(str.str().c_str());
1219         }
1220 }
1221
1222
1223 void BufferView::Pimpl::restorePosition(unsigned int i)
1224 {
1225         if (i >= saved_positions_num)
1226                 return;
1227
1228         string const fname = saved_positions[i].filename;
1229
1230         beforeChange(bv_->text);
1231
1232         if (fname != buffer_->fileName()) {
1233                 Buffer * b = bufferlist.exists(fname) ?
1234                         bufferlist.getBuffer(fname) :
1235                         bufferlist.loadLyXFile(fname); // don't ask, just load it
1236                 if (b != 0) buffer(b);
1237         }
1238
1239         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
1240         if (!par)
1241                 return;
1242
1243         bv_->text->setCursor(bv_, par,
1244                              min(par->size(), saved_positions[i].par_pos));
1245
1246         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1247         if (i > 0) {
1248                 ostringstream str;
1249                 str << _("Moved to bookmark") << ' ' << i;
1250                 owner_->message(str.str().c_str());
1251         }
1252 }
1253
1254
1255 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
1256 {
1257         if (i >= saved_positions_num)
1258                 return false;
1259
1260         return !saved_positions[i].filename.empty();
1261 }
1262
1263
1264 void BufferView::Pimpl::setState()
1265 {
1266         if (!lyxrc.rtl_support)
1267                 return;
1268
1269         LyXText * text = bv_->getLyXText();
1270         if (text->real_current_font.isRightToLeft()) {
1271                 if (owner_->getIntl()->keymap == Intl::PRIMARY)
1272                         owner_->getIntl()->KeyMapSec();
1273         } else {
1274                 if (owner_->getIntl()->keymap == Intl::SECONDARY)
1275                         owner_->getIntl()->KeyMapPrim();
1276         }
1277 }
1278
1279
1280 void BufferView::Pimpl::insetSleep()
1281 {
1282         if (bv_->theLockingInset() && !inset_slept) {
1283                 bv_->theLockingInset()->getCursorPos(bv_, bv_->slx, bv_->sly);
1284                 bv_->theLockingInset()->insetUnlock(bv_);
1285                 inset_slept = true;
1286         }
1287 }
1288
1289
1290 void BufferView::Pimpl::insetWakeup()
1291 {
1292         if (bv_->theLockingInset() && inset_slept) {
1293                 bv_->theLockingInset()->edit(bv_, bv_->slx, bv_->sly, 0);
1294                 inset_slept = false;
1295         }
1296 }
1297
1298
1299 void BufferView::Pimpl::insetUnlock()
1300 {
1301         if (bv_->theLockingInset()) {
1302                 if (!inset_slept)
1303                         bv_->theLockingInset()->insetUnlock(bv_);
1304                 bv_->theLockingInset(0);
1305                 finishUndo();
1306                 inset_slept = false;
1307         }
1308 }
1309
1310
1311 bool BufferView::Pimpl::focus() const
1312 {
1313         return workarea_.hasFocus();
1314 }
1315
1316
1317 void BufferView::Pimpl::focus(bool f)
1318 {
1319         if (f) workarea_.setFocus();
1320 }
1321
1322
1323 bool BufferView::Pimpl::active() const
1324 {
1325         return workarea_.active();
1326 }
1327
1328
1329 bool BufferView::Pimpl::belowMouse() const
1330 {
1331         return workarea_.belowMouse();
1332 }
1333
1334
1335 void BufferView::Pimpl::showCursor()
1336 {
1337         if (screen_.get()) {
1338                 if (bv_->theLockingInset())
1339                         bv_->theLockingInset()->showInsetCursor(bv_);
1340                 else
1341                         screen_->showCursor(bv_->text, bv_);
1342         }
1343 }
1344
1345
1346 void BufferView::Pimpl::hideCursor()
1347 {
1348         if (screen_.get()) {
1349                 if (!bv_->theLockingInset())
1350 //                      bv_->theLockingInset()->hideInsetCursor(bv_);
1351 //              else
1352                         screen_->hideCursor();
1353         }
1354 }
1355
1356
1357 void BufferView::Pimpl::toggleSelection(bool b)
1358 {
1359         if (screen_.get()) {
1360                 if (bv_->theLockingInset())
1361                         bv_->theLockingInset()->toggleSelection(bv_, b);
1362                 screen_->toggleSelection(bv_->text, bv_, b);
1363         }
1364 }
1365
1366
1367 void BufferView::Pimpl::toggleToggle()
1368 {
1369         if (screen_.get())
1370                 screen_->toggleToggle(bv_->text, bv_);
1371 }
1372
1373
1374 void BufferView::Pimpl::center()
1375 {
1376         beforeChange(bv_->text);
1377         if (bv_->text->cursor.y() > static_cast<int>((workarea_.height() / 2))) {
1378                 screen_->draw(bv_->text, bv_, bv_->text->cursor.y() - workarea_.height() / 2);
1379         } else {
1380                 screen_->draw(bv_->text, bv_, 0);
1381         }
1382         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1383         redraw();
1384 }
1385
1386
1387 void BufferView::Pimpl::pasteClipboard(bool asPara)
1388 {
1389         if (!buffer_) return;
1390
1391         screen_->hideCursor();
1392         beforeChange(bv_->text);
1393
1394         string const clip(workarea_.getClipboard());
1395
1396         if (clip.empty()) return;
1397
1398         if (asPara) {
1399                 bv_->getLyXText()->insertStringAsParagraphs(bv_, clip);
1400         } else {
1401                 bv_->getLyXText()->insertStringAsLines(bv_, clip);
1402         }
1403         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1404 }
1405
1406
1407 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
1408 {
1409         workarea_.putClipboard(stuff);
1410 }
1411
1412
1413 /*
1414  * Dispatch functions for actions which can be valid for BufferView->text
1415  * and/or InsetText->text!!!
1416  */
1417
1418
1419 inline
1420 void BufferView::Pimpl::moveCursorUpdate(bool selecting)
1421 {
1422         LyXText * lt = bv_->getLyXText();
1423
1424         if (selecting || lt->selection.mark()) {
1425                 lt->setSelection(bv_);
1426                 if (lt->bv_owner)
1427                         toggleToggle();
1428         }
1429         update(lt, BufferView::SELECT|BufferView::FITCUR);
1430         showCursor();
1431
1432         /* ---> Everytime the cursor is moved, show the current font state. */
1433         // should this too me moved out of this func?
1434         //owner->showState();
1435         setState();
1436 }
1437
1438
1439 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
1440 {
1441         LyXCursor cursor = bv_->getLyXText()->cursor;
1442         Buffer::inset_iterator it =
1443                 find_if(Buffer::inset_iterator(
1444                         cursor.par(), cursor.pos()),
1445                         buffer_->inset_iterator_end(),
1446                         lyx::compare_memfun(&Inset::lyxCode, code));
1447         return it != buffer_->inset_iterator_end() ? (*it) : 0;
1448 }
1449
1450
1451 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
1452 {
1453         string filename = filen;
1454
1455         if (filename.empty()) {
1456                 // Launch a file browser
1457                 string initpath = lyxrc.document_path;
1458
1459                 if (available()) {
1460                         string const trypath = owner_->buffer()->filePath();
1461                         // If directory is writeable, use this as default.
1462                         if (IsDirWriteable(trypath))
1463                                 initpath = trypath;
1464                 }
1465
1466                 FileDialog fileDlg(bv_->owner(),
1467                                    _("Select LyX document to insert"),
1468                         LFUN_FILE_INSERT,
1469                         make_pair(string(_("Documents|#o#O")),
1470                                   string(lyxrc.document_path)),
1471                         make_pair(string(_("Examples|#E#e")),
1472                                   string(AddPath(system_lyxdir, "examples"))));
1473
1474                 FileDialog::Result result =
1475                         fileDlg.Select(initpath,
1476                                        _("*.lyx| LyX Documents (*.lyx)"));
1477
1478                 if (result.first == FileDialog::Later)
1479                         return;
1480
1481                 filename = result.second;
1482
1483                 // check selected filename
1484                 if (filename.empty()) {
1485                         owner_->message(_("Canceled."));
1486                         return;
1487                 }
1488         }
1489
1490         // get absolute path of file and add ".lyx" to the filename if
1491         // necessary
1492         filename = FileSearch(string(), filename, "lyx");
1493
1494         string const disp_fn(MakeDisplayPath(filename));
1495
1496         ostringstream s1;
1497         s1 << _("Inserting document") << ' '
1498            << disp_fn << " ...";
1499         owner_->message(s1.str().c_str());
1500         bool const res = bv_->insertLyXFile(filename);
1501         if (res) {
1502                 ostringstream str;
1503                 str << _("Document") << ' ' << disp_fn
1504                     << ' ' << _("inserted.");
1505                 owner_->message(str.str().c_str());
1506         } else {
1507                 ostringstream str;
1508                 str << _("Could not insert document") << ' '
1509                     << disp_fn;
1510                 owner_->message(str.str().c_str());
1511         }
1512 }
1513
1514
1515 bool BufferView::Pimpl::Dispatch(kb_action action, string const & argument)
1516 {
1517         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch: action["
1518                               << action <<"] arg[" << argument << "]" << endl;
1519
1520         switch (action) {
1521                 // --- Misc -------------------------------------------
1522         case LFUN_APPENDIX:
1523         {
1524                 if (available()) {
1525                         LyXText * lt = bv_->getLyXText();
1526                         lt->toggleAppendix(bv_);
1527                         update(lt,
1528                                BufferView::SELECT
1529                                | BufferView::FITCUR
1530                                | BufferView::CHANGE);
1531                 }
1532         }
1533         break;
1534
1535         case LFUN_TOC_INSERT:
1536         {
1537                 InsetCommandParams p;
1538                 p.setCmdName("tableofcontents");
1539                 Inset * inset = new InsetTOC(p);
1540                 if (!insertInset(inset, "Standard"))
1541                         delete inset;
1542                 break;
1543         }
1544
1545         case LFUN_TABULAR_FEATURE:
1546         case LFUN_SCROLL_INSET:
1547                 // this is not handled here as this funktion is only aktive
1548                 // if we have a locking_inset and that one is (or contains)
1549                 // a tabular-inset
1550                 break;
1551
1552         case LFUN_INSET_GRAPHICS:
1553         {
1554                 Inset * new_inset = new InsetGraphics;
1555                 if (!insertInset(new_inset)) {
1556                         delete new_inset;
1557                 } else {
1558                         // this is need because you don't use a inset->Edit()
1559                         updateInset(new_inset, true);
1560                         new_inset->edit(bv_);
1561                 }
1562                 break;
1563         }
1564
1565         case LFUN_PASTE:
1566                 bv_->paste();
1567                 setState();
1568                 break;
1569
1570         case LFUN_PASTESELECTION:
1571         {
1572                 bool asPara = false;
1573                 if (argument == "paragraph")
1574                         asPara = true;
1575                 pasteClipboard(asPara);
1576         }
1577         break;
1578
1579         case LFUN_CUT:
1580                 bv_->cut();
1581                 break;
1582
1583         case LFUN_COPY:
1584                 bv_->copy();
1585                 break;
1586
1587         case LFUN_LAYOUT_COPY:
1588                 bv_->copyEnvironment();
1589                 break;
1590
1591         case LFUN_LAYOUT_PASTE:
1592                 bv_->pasteEnvironment();
1593                 setState();
1594                 break;
1595
1596         case LFUN_GOTOERROR:
1597                 gotoInset(Inset::ERROR_CODE, false);
1598                 break;
1599
1600         case LFUN_GOTONOTE:
1601                 gotoInset(Inset::IGNORE_CODE, false);
1602                 break;
1603
1604         case LFUN_REFERENCE_GOTO:
1605         {
1606                 vector<Inset::Code> tmp;
1607                 tmp.push_back(Inset::LABEL_CODE);
1608                 tmp.push_back(Inset::REF_CODE);
1609                 gotoInset(tmp, true);
1610                 break;
1611         }
1612
1613         case LFUN_HYPHENATION:
1614                 specialChar(InsetSpecialChar::HYPHENATION);
1615                 break;
1616
1617         case LFUN_LIGATURE_BREAK:
1618                 specialChar(InsetSpecialChar::LIGATURE_BREAK);
1619                 break;
1620
1621         case LFUN_LDOTS:
1622                 specialChar(InsetSpecialChar::LDOTS);
1623                 break;
1624
1625         case LFUN_END_OF_SENTENCE:
1626                 specialChar(InsetSpecialChar::END_OF_SENTENCE);
1627                 break;
1628
1629         case LFUN_MENU_SEPARATOR:
1630                 specialChar(InsetSpecialChar::MENU_SEPARATOR);
1631                 break;
1632
1633         case LFUN_HFILL:
1634                 hfill();
1635                 break;
1636
1637         case LFUN_DEPTH:
1638                 changeDepth(bv_, bv_->getLyXText(), 0);
1639                 break;
1640
1641         case LFUN_DEPTH_MIN:
1642                 changeDepth(bv_, bv_->getLyXText(), -1);
1643                 break;
1644
1645         case LFUN_DEPTH_PLUS:
1646                 changeDepth(bv_, bv_->getLyXText(), 1);
1647                 break;
1648
1649         case LFUN_FREE:
1650                 owner_->getDialogs()->setUserFreeFont();
1651                 break;
1652
1653         case LFUN_FILE_INSERT:
1654                 MenuInsertLyXFile(argument);
1655                 break;
1656
1657         case LFUN_FILE_INSERT_ASCII_PARA:
1658                 InsertAsciiFile(bv_, argument, true);
1659                 break;
1660
1661         case LFUN_FILE_INSERT_ASCII:
1662                 InsertAsciiFile(bv_, argument, false);
1663                 break;
1664
1665         case LFUN_LAYOUT:
1666         {
1667                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1668                                     << argument << endl;
1669
1670                 // Derive layout number from given argument (string)
1671                 // and current buffer's textclass (number). */
1672                 textclass_type tclass = buffer_->params.textclass;
1673                 pair <bool, layout_type> layout =
1674                         textclasslist.NumberOfLayout(tclass, argument);
1675
1676                 // If the entry is obsolete, use the new one instead.
1677                 if (layout.first) {
1678                         string obs = textclasslist.Style(tclass, layout.second)
1679                                 .obsoleted_by();
1680                         if (!obs.empty())
1681                                 layout = textclasslist.NumberOfLayout(tclass, obs);
1682                 }
1683
1684                 // see if we found the layout number:
1685                 if (!layout.first) {
1686                         owner_->getLyXFunc()->setErrorMessage(
1687                                 string(N_("Layout ")) + argument +
1688                                 N_(" not known"));
1689                         break;
1690                 }
1691
1692                 if (current_layout != layout.second) {
1693                         LyXText * lt = bv_->getLyXText();
1694                         hideCursor();
1695                         current_layout = layout.second;
1696                         update(lt,
1697                                BufferView::SELECT
1698                                | BufferView::FITCUR);
1699                         lt->setLayout(bv_, layout.second);
1700                         owner_->setLayout(layout.second);
1701                         update(lt,
1702                                BufferView::SELECT
1703                                | BufferView::FITCUR
1704                                | BufferView::CHANGE);
1705                         setState();
1706                 }
1707         }
1708         break;
1709
1710         case LFUN_LANGUAGE:
1711                 lang(bv_, argument);
1712                 setState();
1713                 owner_->showState();
1714                 break;
1715
1716         case LFUN_EMPH:
1717                 emph(bv_);
1718                 owner_->showState();
1719                 break;
1720
1721         case LFUN_BOLD:
1722                 bold(bv_);
1723                 owner_->showState();
1724                 break;
1725
1726         case LFUN_NOUN:
1727                 noun(bv_);
1728                 owner_->showState();
1729                 break;
1730
1731         case LFUN_CODE:
1732                 code(bv_);
1733                 owner_->showState();
1734                 break;
1735
1736         case LFUN_SANS:
1737                 sans(bv_);
1738                 owner_->showState();
1739                 break;
1740
1741         case LFUN_ROMAN:
1742                 roman(bv_);
1743                 owner_->showState();
1744                 break;
1745
1746         case LFUN_DEFAULT:
1747                 styleReset(bv_);
1748                 owner_->showState();
1749                 break;
1750
1751         case LFUN_UNDERLINE:
1752                 underline(bv_);
1753                 owner_->showState();
1754                 break;
1755
1756         case LFUN_FONT_SIZE:
1757                 fontSize(bv_, argument);
1758                 owner_->showState();
1759                 break;
1760
1761         case LFUN_FONT_STATE:
1762                 owner_->getLyXFunc()->setMessage(currentState(bv_));
1763                 break;
1764
1765         case LFUN_UPCASE_WORD:
1766         {
1767                 LyXText * lt = bv_->getLyXText();
1768
1769                 update(lt,
1770                        BufferView::SELECT
1771                        | BufferView::FITCUR);
1772                 lt->changeCase(bv_, LyXText::text_uppercase);
1773                 if (lt->inset_owner)
1774                         updateInset(lt->inset_owner, true);
1775                 update(lt,
1776                        BufferView::SELECT
1777                        | BufferView::FITCUR
1778                        | BufferView::CHANGE);
1779         }
1780         break;
1781
1782         case LFUN_LOWCASE_WORD:
1783         {
1784                 LyXText * lt = bv_->getLyXText();
1785
1786                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1787                 lt->changeCase(bv_, LyXText::text_lowercase);
1788                 if (lt->inset_owner)
1789                         updateInset(lt->inset_owner, true);
1790                 update(lt,
1791                        BufferView::SELECT
1792                        | BufferView::FITCUR
1793                        | BufferView::CHANGE);
1794         }
1795         break;
1796
1797         case LFUN_CAPITALIZE_WORD:
1798         {
1799                 LyXText * lt = bv_->getLyXText();
1800
1801                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1802                 lt->changeCase(bv_, LyXText::text_capitalization);
1803                 if (lt->inset_owner)
1804                         updateInset(lt->inset_owner, true);
1805                 update(lt,
1806                        BufferView::SELECT
1807                        | BufferView::FITCUR
1808                        | BufferView::CHANGE);
1809         }
1810         break;
1811
1812         case LFUN_TRANSPOSE_CHARS:
1813         {
1814                 LyXText * lt = bv_->getLyXText();
1815
1816                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1817                 lt->transposeChars(*bv_);
1818                 if (lt->inset_owner)
1819                         updateInset(lt->inset_owner, true);
1820                 update(lt,
1821                        BufferView::SELECT
1822                        | BufferView::FITCUR
1823                        | BufferView::CHANGE);
1824         }
1825         break;
1826
1827
1828         case LFUN_INSERT_LABEL:
1829                 MenuInsertLabel(bv_, argument);
1830                 break;
1831
1832         case LFUN_REF_INSERT:
1833                 if (argument.empty()) {
1834                         InsetCommandParams p("ref");
1835                         owner_->getDialogs()->createRef(p.getAsString());
1836                 } else {
1837                         InsetCommandParams p;
1838                         p.setFromString(argument);
1839
1840                         InsetRef * inset = new InsetRef(p, *buffer_);
1841                         if (!insertInset(inset))
1842                                 delete inset;
1843                         else
1844                                 updateInset(inset, true);
1845                 }
1846                 break;
1847
1848         case LFUN_BOOKMARK_SAVE:
1849                 savePosition(strToUnsignedInt(argument));
1850                 break;
1851
1852         case LFUN_BOOKMARK_GOTO:
1853                 restorePosition(strToUnsignedInt(argument));
1854                 break;
1855
1856         case LFUN_REF_GOTO:
1857         {
1858                 string label(argument);
1859                 if (label.empty()) {
1860                         InsetRef * inset =
1861                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
1862                         if (inset) {
1863                                 label = inset->getContents();
1864                                 savePosition(0);
1865                         }
1866                 }
1867
1868                 if (!label.empty()) {
1869                         //bv_->savePosition(0);
1870                         if (!bv_->gotoLabel(label))
1871                                 Alert::alert(_("Error"),
1872                                            _("Couldn't find this label"),
1873                                            _("in current document."));
1874                 }
1875         }
1876         break;
1877
1878                 // --- Cursor Movements -----------------------------
1879         case LFUN_RIGHT:
1880         {
1881                 LyXText * lt = bv_->getLyXText();
1882
1883                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
1884                 if (!lt->selection.mark())
1885                         beforeChange(lt);
1886                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1887                 if (is_rtl)
1888                         lt->cursorLeft(bv_, false);
1889                 if (lt->cursor.pos() < lt->cursor.par()->size()
1890                     && lt->cursor.par()->isInset(lt->cursor.pos())
1891                     && isHighlyEditableInset(lt->cursor.par()->getInset(lt->cursor.pos()))) {
1892                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
1893                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
1894                         if (is_rtl)
1895                                 tmpinset->edit(bv_, false);
1896                         else
1897                                 tmpinset->edit(bv_);
1898                         break;
1899                 }
1900                 if (!is_rtl)
1901                         lt->cursorRight(bv_, false);
1902                 finishUndo();
1903                 moveCursorUpdate(false);
1904                 owner_->showState();
1905         }
1906         break;
1907
1908         case LFUN_LEFT:
1909         {
1910                 // This is soooo ugly. Isn`t it possible to make
1911                 // it simpler? (Lgb)
1912                 LyXText * lt = bv_->getLyXText();
1913                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
1914                 if (!lt->selection.mark())
1915                         beforeChange(lt);
1916                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1917                 LyXCursor const cur = lt->cursor;
1918                 if (!is_rtl)
1919                         lt->cursorLeft(bv_, false);
1920                 if ((is_rtl || cur != lt->cursor) && // only if really moved!
1921                     lt->cursor.pos() < lt->cursor.par()->size() &&
1922                     lt->cursor.par()->isInset(lt->cursor.pos()) &&
1923                     isHighlyEditableInset(lt->cursor.par()->getInset(lt->cursor.pos()))) {
1924                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
1925                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
1926                         if (is_rtl)
1927                                 tmpinset->edit(bv_);
1928                         else
1929                                 tmpinset->edit(bv_, false);
1930                         break;
1931                 }
1932                 if  (is_rtl)
1933                         lt->cursorRight(bv_, false);
1934
1935                 finishUndo();
1936                 moveCursorUpdate(false);
1937                 owner_->showState();
1938         }
1939         break;
1940
1941         case LFUN_UP:
1942         {
1943                 LyXText * lt = bv_->getLyXText();
1944
1945                 if (!lt->selection.mark())
1946                         beforeChange(lt);
1947                 update(lt, BufferView::UPDATE);
1948                 lt->cursorUp(bv_);
1949                 finishUndo();
1950                 moveCursorUpdate(false);
1951                 owner_->showState();
1952         }
1953         break;
1954
1955         case LFUN_DOWN:
1956         {
1957                 LyXText * lt = bv_->getLyXText();
1958
1959                 if (!lt->selection.mark())
1960                         beforeChange(lt);
1961                 update(lt, BufferView::UPDATE);
1962                 lt->cursorDown(bv_);
1963                 finishUndo();
1964                 moveCursorUpdate(false);
1965                 owner_->showState();
1966         }
1967         break;
1968
1969         case LFUN_UP_PARAGRAPH:
1970         {
1971                 LyXText * lt = bv_->getLyXText();
1972
1973                 if (!lt->selection.mark())
1974                         beforeChange(lt);
1975                 update(lt, BufferView::UPDATE);
1976                 lt->cursorUpParagraph(bv_);
1977                 finishUndo();
1978                 moveCursorUpdate(false);
1979                 owner_->showState();
1980         }
1981         break;
1982
1983         case LFUN_DOWN_PARAGRAPH:
1984         {
1985                 LyXText * lt = bv_->getLyXText();
1986
1987                 if (!lt->selection.mark())
1988                         beforeChange(lt);
1989                 update(lt, BufferView::UPDATE);
1990                 lt->cursorDownParagraph(bv_);
1991                 finishUndo();
1992                 moveCursorUpdate(false);
1993                 owner_->showState();
1994         }
1995         break;
1996
1997         case LFUN_PRIOR:
1998         {
1999                 LyXText * lt = bv_->getLyXText();
2000
2001                 if (!lt->selection.mark())
2002                         beforeChange(lt);
2003                 update(lt, BufferView::UPDATE);
2004                 cursorPrevious(lt);
2005                 finishUndo();
2006                 moveCursorUpdate(false);
2007                 owner_->showState();
2008         }
2009         break;
2010
2011         case LFUN_NEXT:
2012         {
2013                 LyXText * lt = bv_->getLyXText();
2014
2015                 if (!lt->selection.mark())
2016                         beforeChange(lt);
2017                 update(lt, BufferView::UPDATE);
2018                 cursorNext(lt);
2019                 finishUndo();
2020                 moveCursorUpdate(false);
2021                 owner_->showState();
2022         }
2023         break;
2024
2025         case LFUN_HOME:
2026         {
2027                 LyXText * lt = bv_->getLyXText();
2028
2029                 if (!lt->selection.mark())
2030                         beforeChange(lt);
2031                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2032                 lt->cursorHome(bv_);
2033                 finishUndo();
2034                 moveCursorUpdate(false);
2035                 owner_->showState();
2036         }
2037         break;
2038
2039         case LFUN_END:
2040         {
2041                 LyXText * lt = bv_->getLyXText();
2042
2043                 if (!lt->selection.mark())
2044                         beforeChange(lt);
2045                 update(lt,
2046                        BufferView::SELECT|BufferView::FITCUR);
2047                 lt->cursorEnd(bv_);
2048                 finishUndo();
2049                 moveCursorUpdate(false);
2050                 owner_->showState();
2051         }
2052         break;
2053
2054         case LFUN_SHIFT_TAB:
2055         case LFUN_TAB:
2056         {
2057                 LyXText * lt = bv_->getLyXText();
2058
2059                 if (!lt->selection.mark())
2060                         beforeChange(lt);
2061                 update(lt,
2062                        BufferView::SELECT|BufferView::FITCUR);
2063                 lt->cursorTab(bv_);
2064                 finishUndo();
2065                 moveCursorUpdate(false);
2066                 owner_->showState();
2067         }
2068         break;
2069
2070         case LFUN_WORDRIGHT:
2071         {
2072                 LyXText * lt = bv_->getLyXText();
2073
2074                 if (!lt->selection.mark())
2075                         beforeChange(lt);
2076                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2077                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2078                         lt->cursorLeftOneWord(bv_);
2079                 else
2080                         lt->cursorRightOneWord(bv_);
2081                 finishUndo();
2082                 moveCursorUpdate(false);
2083                 owner_->showState();
2084         }
2085         break;
2086
2087         case LFUN_WORDLEFT:
2088         {
2089                 LyXText * lt = bv_->getLyXText();
2090
2091                 if (!lt->selection.mark())
2092                         beforeChange(lt);
2093                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2094                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2095                         lt->cursorRightOneWord(bv_);
2096                 else
2097                         lt->cursorLeftOneWord(bv_);
2098                 finishUndo();
2099                 moveCursorUpdate(false);
2100                 owner_->showState();
2101         }
2102         break;
2103
2104         case LFUN_BEGINNINGBUF:
2105         {
2106                 LyXText * lt = bv_->getLyXText();
2107
2108                 if (!lt->selection.mark())
2109                         beforeChange(lt);
2110                 update(lt,
2111                        BufferView::SELECT|BufferView::FITCUR);
2112                 lt->cursorTop(bv_);
2113                 finishUndo();
2114                 moveCursorUpdate(false);
2115                 owner_->showState();
2116         }
2117         break;
2118
2119         case LFUN_ENDBUF:
2120         {
2121                 LyXText * lt = bv_->getLyXText();
2122
2123                 if (!lt->selection.mark())
2124                         beforeChange(lt);
2125                 update(lt,
2126                        BufferView::SELECT|BufferView::FITCUR);
2127                 lt->cursorBottom(bv_);
2128                 finishUndo();
2129                 moveCursorUpdate(false);
2130                 owner_->showState();
2131         }
2132         break;
2133
2134                 /* cursor selection ---------------------------- */
2135         case LFUN_RIGHTSEL:
2136         {
2137                 LyXText * lt = bv_->getLyXText();
2138
2139                 update(lt,
2140                        BufferView::SELECT|BufferView::FITCUR);
2141                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2142                         lt->cursorLeft(bv_);
2143                 else
2144                         lt->cursorRight(bv_);
2145                 finishUndo();
2146                 moveCursorUpdate(true);
2147                 owner_->showState();
2148         }
2149         break;
2150
2151         case LFUN_LEFTSEL:
2152         {
2153                 LyXText * lt = bv_->getLyXText();
2154
2155                 update(lt,
2156                        BufferView::SELECT|BufferView::FITCUR);
2157                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2158                         lt->cursorRight(bv_);
2159                 else
2160                         lt->cursorLeft(bv_);
2161                 finishUndo();
2162                 moveCursorUpdate(true);
2163                 owner_->showState();
2164         }
2165         break;
2166
2167         case LFUN_UPSEL:
2168         {
2169                 LyXText * lt = bv_->getLyXText();
2170
2171                 update(lt,
2172                        BufferView::SELECT|BufferView::FITCUR);
2173                 lt->cursorUp(bv_);
2174                 finishUndo();
2175                 moveCursorUpdate(true);
2176                 owner_->showState();
2177         }
2178         break;
2179
2180         case LFUN_DOWNSEL:
2181         {
2182                 LyXText * lt = bv_->getLyXText();
2183
2184                 update(lt,
2185                        BufferView::SELECT|BufferView::FITCUR);
2186                 lt->cursorDown(bv_);
2187                 finishUndo();
2188                 moveCursorUpdate(true);
2189                 owner_->showState();
2190         }
2191         break;
2192
2193         case LFUN_UP_PARAGRAPHSEL:
2194         {
2195                 LyXText * lt = bv_->getLyXText();
2196
2197                 update(lt,
2198                        BufferView::SELECT|BufferView::FITCUR);
2199                 lt->cursorUpParagraph(bv_);
2200                 finishUndo();
2201                 moveCursorUpdate(true);
2202                 owner_->showState();
2203         }
2204         break;
2205
2206         case LFUN_DOWN_PARAGRAPHSEL:
2207         {
2208                 LyXText * lt = bv_->getLyXText();
2209
2210                 update(lt,
2211                        BufferView::SELECT|BufferView::FITCUR);
2212                 lt->cursorDownParagraph(bv_);
2213                 finishUndo();
2214                 moveCursorUpdate(true);
2215                 owner_->showState();
2216         }
2217         break;
2218
2219         case LFUN_PRIORSEL:
2220         {
2221                 LyXText * lt = bv_->getLyXText();
2222
2223                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2224                 cursorPrevious(lt);
2225                 finishUndo();
2226                 moveCursorUpdate(true);
2227                 owner_->showState();
2228         }
2229         break;
2230
2231         case LFUN_NEXTSEL:
2232         {
2233                 LyXText * lt = bv_->getLyXText();
2234
2235                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2236                 cursorNext(lt);
2237                 finishUndo();
2238                 moveCursorUpdate(true);
2239                 owner_->showState();
2240         }
2241         break;
2242
2243         case LFUN_HOMESEL:
2244         {
2245                 LyXText * lt = bv_->getLyXText();
2246
2247                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2248                 lt->cursorHome(bv_);
2249                 finishUndo();
2250                 moveCursorUpdate(true);
2251                 owner_->showState();
2252         }
2253         break;
2254
2255         case LFUN_ENDSEL:
2256         {
2257                 LyXText * lt = bv_->getLyXText();
2258
2259                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2260                 lt->cursorEnd(bv_);
2261                 finishUndo();
2262                 moveCursorUpdate(true);
2263                 owner_->showState();
2264         }
2265         break;
2266
2267         case LFUN_WORDRIGHTSEL:
2268         {
2269                 LyXText * lt = bv_->getLyXText();
2270
2271                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2272                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2273                         lt->cursorLeftOneWord(bv_);
2274                 else
2275                         lt->cursorRightOneWord(bv_);
2276                 finishUndo();
2277                 moveCursorUpdate(true);
2278                 owner_->showState();
2279         }
2280         break;
2281
2282         case LFUN_WORDLEFTSEL:
2283         {
2284                 LyXText * lt = bv_->getLyXText();
2285
2286                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2287                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2288                         lt->cursorRightOneWord(bv_);
2289                 else
2290                         lt->cursorLeftOneWord(bv_);
2291                 finishUndo();
2292                 moveCursorUpdate(true);
2293                 owner_->showState();
2294         }
2295         break;
2296
2297         case LFUN_BEGINNINGBUFSEL:
2298         {
2299                 LyXText * lt = bv_->getLyXText();
2300
2301                 if (lt->inset_owner)
2302                         break;
2303                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2304                 lt->cursorTop(bv_);
2305                 finishUndo();
2306                 moveCursorUpdate(true);
2307                 owner_->showState();
2308         }
2309         break;
2310
2311         case LFUN_ENDBUFSEL:
2312         {
2313                 LyXText * lt = bv_->getLyXText();
2314
2315                 if (lt->inset_owner)
2316                         break;
2317                 update(lt,
2318                        BufferView::SELECT|BufferView::FITCUR);
2319                 lt->cursorBottom(bv_);
2320                 finishUndo();
2321                 moveCursorUpdate(true);
2322                 owner_->showState();
2323         }
2324         break;
2325
2326                 // --- text changing commands ------------------------
2327         case LFUN_BREAKLINE:
2328         {
2329                 LyXText * lt = bv_->getLyXText();
2330
2331                 beforeChange(lt);
2332                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
2333                 update(lt,
2334                        BufferView::SELECT
2335                        | BufferView::FITCUR
2336                        | BufferView::CHANGE);
2337                 moveCursorUpdate(false);
2338         }
2339         break;
2340
2341         case LFUN_PROTECTEDSPACE:
2342         {
2343                 LyXText * lt = bv_->getLyXText();
2344
2345                 LyXLayout const & style = textclasslist
2346                         .Style(buffer_->params.textclass,
2347                                lt->cursor.par()->getLayout());
2348
2349                 if (style.free_spacing) {
2350                         lt->insertChar(bv_, ' ');
2351                         update(lt,
2352                                BufferView::SELECT
2353                                | BufferView::FITCUR
2354                                | BufferView::CHANGE);
2355                 } else {
2356                         protectedBlank(lt);
2357                 }
2358                 moveCursorUpdate(false);
2359         }
2360         break;
2361
2362         case LFUN_SETMARK:
2363         {
2364                 LyXText * lt = bv_->getLyXText();
2365
2366                 if (lt->selection.mark()) {
2367                         beforeChange(lt);
2368                         update(lt,
2369                                BufferView::SELECT
2370                                | BufferView::FITCUR);
2371                         owner_->getLyXFunc()->setMessage(N_("Mark removed"));
2372                 } else {
2373                         beforeChange(lt);
2374                         lt->selection.mark(true);
2375                         update(lt,
2376                                BufferView::SELECT
2377                                | BufferView::FITCUR);
2378                         owner_->getLyXFunc()->setMessage(N_("Mark set"));
2379                 }
2380                 lt->selection.cursor = lt->cursor;
2381         }
2382         break;
2383
2384         case LFUN_DELETE:
2385         {
2386                 LyXText * lt = bv_->getLyXText();
2387
2388                 if (!lt->selection.set()) {
2389                         lt->Delete(bv_);
2390                         lt->selection.cursor = lt->cursor;
2391                         update(lt,
2392                                BufferView::SELECT
2393                                | BufferView::FITCUR
2394                                | BufferView::CHANGE);
2395                         // It is possible to make it a lot faster still
2396                         // just comment out the line below...
2397                         showCursor();
2398                 } else {
2399                         bv_->cut(false);
2400                 }
2401                 moveCursorUpdate(false);
2402                 owner_->showState();
2403                 setState();
2404         }
2405         break;
2406
2407         case LFUN_DELETE_SKIP:
2408         {
2409                 LyXText * lt = bv_->getLyXText();
2410
2411                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2412
2413                 LyXCursor cursor = lt->cursor;
2414
2415                 if (!lt->selection.set()) {
2416                         if (cursor.pos() == cursor.par()->size()) {
2417                                 lt->cursorRight(bv_);
2418                                 cursor = lt->cursor;
2419                                 if (cursor.pos() == 0
2420                                     && !(cursor.par()->params().spaceTop()
2421                                          == VSpace (VSpace::NONE))) {
2422                                         lt->setParagraph
2423                                                 (bv_,
2424                                                  cursor.par()->params().lineTop(),
2425                                                  cursor.par()->params().lineBottom(),
2426                                                  cursor.par()->params().pagebreakTop(),
2427                                                  cursor.par()->params().pagebreakBottom(),
2428                                                  VSpace(VSpace::NONE),
2429                                                  cursor.par()->params().spaceBottom(),
2430                                                  cursor.par()->params().spacing(),
2431                                                  cursor.par()->params().align(),
2432                                                  cursor.par()->params().labelWidthString(), 0);
2433                                         lt->cursorLeft(bv_);
2434                                         update(lt,
2435                                                BufferView::SELECT
2436                                                | BufferView::FITCUR
2437                                                | BufferView::CHANGE);
2438                                 } else {
2439                                         lt->cursorLeft(bv_);
2440                                         lt->Delete(bv_);
2441                                         lt->selection.cursor = lt->cursor;
2442                                         update(lt,
2443                                                BufferView::SELECT
2444                                                | BufferView::FITCUR
2445                                                | BufferView::CHANGE);
2446                                 }
2447                         } else {
2448                                 lt->Delete(bv_);
2449                                 lt->selection.cursor = lt->cursor;
2450                                 update(lt,
2451                                        BufferView::SELECT
2452                                        | BufferView::FITCUR
2453                                        | BufferView::CHANGE);
2454                         }
2455                 } else {
2456                         bv_->cut(false);
2457                 }
2458         }
2459         break;
2460
2461         /* -------> Delete word forward. */
2462         case LFUN_DELETE_WORD_FORWARD:
2463                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
2464                 bv_->getLyXText()->deleteWordForward(bv_);
2465                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2466                 moveCursorUpdate(false);
2467                 owner_->showState();
2468                 break;
2469
2470                 /* -------> Delete word backward. */
2471         case LFUN_DELETE_WORD_BACKWARD:
2472         {
2473                 LyXText * lt = bv_->getLyXText();
2474
2475                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2476                 lt->deleteWordBackward(bv_);
2477                 update(lt,
2478                        BufferView::SELECT
2479                        | BufferView::FITCUR
2480                        | BufferView::CHANGE);
2481                 moveCursorUpdate(false);
2482                 owner_->showState();
2483         }
2484         break;
2485
2486                 /* -------> Kill to end of line. */
2487         case LFUN_DELETE_LINE_FORWARD:
2488         {
2489                 LyXText * lt = bv_->getLyXText();
2490
2491                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2492                 lt->deleteLineForward(bv_);
2493                 update(lt,
2494                        BufferView::SELECT
2495                        | BufferView::FITCUR
2496                        | BufferView::CHANGE);
2497                 moveCursorUpdate(false);
2498         }
2499         break;
2500
2501                 /* -------> Set mark off. */
2502         case LFUN_MARK_OFF:
2503         {
2504                 LyXText * lt = bv_->getLyXText();
2505
2506                 beforeChange(lt);
2507                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2508                 lt->selection.cursor = lt->cursor;
2509                 owner_->getLyXFunc()->setMessage(N_("Mark off"));
2510         }
2511         break;
2512
2513                 /* -------> Set mark on. */
2514         case LFUN_MARK_ON:
2515         {
2516                 LyXText * lt = bv_->getLyXText();
2517
2518                 beforeChange(lt);
2519                 lt->selection.mark(true);
2520                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2521                 lt->selection.cursor = lt->cursor;
2522                 owner_->getLyXFunc()->setMessage(N_("Mark on"));
2523         }
2524         break;
2525
2526         case LFUN_BACKSPACE:
2527         {
2528                 LyXText * lt = bv_->getLyXText();
2529
2530                 if (!lt->selection.set()) {
2531                         if (owner_->getIntl()->getTrans().backspace()) {
2532                                 lt->backspace(bv_);
2533                                 lt->selection.cursor = lt->cursor;
2534                                 update(lt,
2535                                        BufferView::SELECT
2536                                        | BufferView::FITCUR
2537                                        | BufferView::CHANGE);
2538                                 // It is possible to make it a lot faster still
2539                                 // just comment out the line below...
2540                                 showCursor();
2541                         }
2542                 } else {
2543                         bv_->cut(false);
2544                 }
2545                 owner_->showState();
2546                 setState();
2547         }
2548         break;
2549
2550         case LFUN_BACKSPACE_SKIP:
2551         {
2552                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2553                 LyXText * lt = bv_->getLyXText();
2554
2555                 LyXCursor cursor = lt->cursor;
2556
2557                 if (!lt->selection.set()) {
2558                         if (cursor.pos() == 0
2559                             && !(cursor.par()->params().spaceTop()
2560                                  == VSpace (VSpace::NONE))) {
2561                                 lt->setParagraph
2562                                         (bv_,
2563                                          cursor.par()->params().lineTop(),
2564                                          cursor.par()->params().lineBottom(),
2565                                          cursor.par()->params().pagebreakTop(),
2566                                          cursor.par()->params().pagebreakBottom(),
2567                                          VSpace(VSpace::NONE), cursor.par()->params().spaceBottom(),
2568                                          cursor.par()->params().spacing(),
2569                                          cursor.par()->params().align(),
2570                                          cursor.par()->params().labelWidthString(), 0);
2571                                 update(lt,
2572                                        BufferView::SELECT
2573                                        | BufferView::FITCUR
2574                                        | BufferView::CHANGE);
2575                         } else {
2576                                 lt->backspace(bv_);
2577                                 lt->selection.cursor = cursor;
2578                                 update(lt,
2579                                        BufferView::SELECT
2580                                        | BufferView::FITCUR
2581                                        | BufferView::CHANGE);
2582                         }
2583                 } else
2584                         bv_->cut(false);
2585         }
2586         break;
2587
2588         case LFUN_BREAKPARAGRAPH:
2589         {
2590                 LyXText * lt = bv_->getLyXText();
2591
2592                 beforeChange(lt);
2593                 lt->breakParagraph(bv_, 0);
2594                 update(lt,
2595                        BufferView::SELECT
2596                        | BufferView::FITCUR
2597                        | BufferView::CHANGE);
2598                 lt->selection.cursor = lt->cursor;
2599                 setState();
2600                 owner_->showState();
2601                 break;
2602         }
2603
2604         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
2605         {
2606                 LyXText * lt = bv_->getLyXText();
2607
2608                 beforeChange(lt);
2609                 lt->breakParagraph(bv_, 1);
2610                 update(lt,
2611                        BufferView::SELECT
2612                        | BufferView::FITCUR
2613                        | BufferView::CHANGE);
2614                 lt->selection.cursor = lt->cursor;
2615                 setState();
2616                 owner_->showState();
2617                 break;
2618         }
2619
2620         case LFUN_BREAKPARAGRAPH_SKIP:
2621         {
2622                 // When at the beginning of a paragraph, remove
2623                 // indentation and add a "defskip" at the top.
2624                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
2625                 LyXText * lt = bv_->getLyXText();
2626
2627                 LyXCursor cursor = lt->cursor;
2628
2629                 beforeChange(lt);
2630                 if (cursor.pos() == 0) {
2631                         if (cursor.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
2632                                 lt->setParagraph
2633                                         (bv_,
2634                                          cursor.par()->params().lineTop(),
2635                                          cursor.par()->params().lineBottom(),
2636                                          cursor.par()->params().pagebreakTop(),
2637                                          cursor.par()->params().pagebreakBottom(),
2638                                          VSpace(VSpace::DEFSKIP), cursor.par()->params().spaceBottom(),
2639                                          cursor.par()->params().spacing(),
2640                                          cursor.par()->params().align(),
2641                                          cursor.par()->params().labelWidthString(), 1);
2642                                 //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2643                         }
2644                 }
2645                 else {
2646                         lt->breakParagraph(bv_, 0);
2647                         //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2648                 }
2649
2650                 update(lt,
2651                        BufferView::SELECT
2652                        | BufferView::FITCUR
2653                        | BufferView::CHANGE);
2654                 lt->selection.cursor = cursor;
2655                 setState();
2656                 owner_->showState();
2657         }
2658         break;
2659
2660         case LFUN_PARAGRAPH_SPACING:
2661         {
2662                 LyXText * lt = bv_->getLyXText();
2663
2664                 Paragraph * par = lt->cursor.par();
2665                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
2666                 float cur_value = 1.0;
2667                 if (cur_spacing == Spacing::Other) {
2668                         cur_value = par->params().spacing().getValue();
2669                 }
2670
2671                 istringstream istr(argument.c_str());
2672
2673                 string tmp;
2674                 istr >> tmp;
2675                 Spacing::Space new_spacing = cur_spacing;
2676                 float new_value = cur_value;
2677                 if (tmp.empty()) {
2678                         lyxerr << "Missing argument to `paragraph-spacing'"
2679                                << endl;
2680                 } else if (tmp == "single") {
2681                         new_spacing = Spacing::Single;
2682                 } else if (tmp == "onehalf") {
2683                         new_spacing = Spacing::Onehalf;
2684                 } else if (tmp == "double") {
2685                         new_spacing = Spacing::Double;
2686                 } else if (tmp == "other") {
2687                         new_spacing = Spacing::Other;
2688                         float tmpval = 0.0;
2689                         istr >> tmpval;
2690                         lyxerr << "new_value = " << tmpval << endl;
2691                         if (tmpval != 0.0)
2692                                 new_value = tmpval;
2693                 } else if (tmp == "default") {
2694                         new_spacing = Spacing::Default;
2695                 } else {
2696                         lyxerr << _("Unknown spacing argument: ")
2697                                << argument << endl;
2698                 }
2699                 if (cur_spacing != new_spacing || cur_value != new_value) {
2700                         par->params().spacing(Spacing(new_spacing, new_value));
2701                         lt->redoParagraph(bv_);
2702                         update(lt,
2703                                BufferView::SELECT
2704                                | BufferView::FITCUR
2705                                | BufferView::CHANGE);
2706                 }
2707         }
2708         break;
2709
2710         case LFUN_INSET_TOGGLE:
2711         {
2712                 LyXText * lt = bv_->getLyXText();
2713                 hideCursor();
2714                 beforeChange(lt);
2715                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2716                 lt->toggleInset(bv_);
2717                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2718                 setState();
2719         }
2720                 break;
2721
2722         case LFUN_QUOTE:
2723                 smartQuote();
2724                 break;
2725
2726         case LFUN_HTMLURL:
2727         case LFUN_URL:
2728         {
2729                 InsetCommandParams p;
2730                 if (action == LFUN_HTMLURL)
2731                         p.setCmdName("htmlurl");
2732                 else
2733                         p.setCmdName("url");
2734                 owner_->getDialogs()->createUrl(p.getAsString());
2735         }
2736         break;
2737
2738         case LFUN_INSERT_URL:
2739         {
2740                 InsetCommandParams p;
2741                 p.setFromString(argument);
2742
2743                 InsetUrl * inset = new InsetUrl(p);
2744                 if (!insertInset(inset))
2745                         delete inset;
2746                 else
2747                         updateInset(inset, true);
2748         }
2749         break;
2750
2751         case LFUN_INSET_TEXT:
2752                 insertAndEditInset(new InsetText);
2753                 break;
2754
2755         case LFUN_INSET_ERT:
2756                 insertAndEditInset(new InsetERT);
2757                 break;
2758
2759         case LFUN_INSET_EXTERNAL:
2760                 insertAndEditInset(new InsetExternal);
2761                 break;
2762
2763         case LFUN_INSET_FOOTNOTE:
2764                 insertAndEditInset(new InsetFoot);
2765                 break;
2766
2767         case LFUN_INSET_MARGINAL:
2768                 insertAndEditInset(new InsetMarginal);
2769                 break;
2770
2771         case LFUN_INSET_MINIPAGE:
2772                 insertAndEditInset(new InsetMinipage);
2773                 break;
2774
2775         case LFUN_INSERT_NOTE:
2776                 insertAndEditInset(new InsetNote);
2777                 break;
2778
2779         case LFUN_INSET_FLOAT:
2780                 // check if the float type exist
2781                 if (floatList.typeExist(argument)) {
2782                         insertAndEditInset(new InsetFloat(argument));
2783                 } else {
2784                         lyxerr << "Non-existent float type: "
2785                                << argument << endl;
2786                 }
2787                 break;
2788
2789         case LFUN_INSET_WIDE_FLOAT:
2790         {
2791                 // check if the float type exist
2792                 if (floatList.typeExist(argument)) {
2793                         InsetFloat * new_inset = new InsetFloat(argument);
2794                         new_inset->wide(true);
2795                         if (insertInset(new_inset))
2796                                 new_inset->edit(bv_);
2797                         else
2798                                 delete new_inset;
2799                 } else {
2800                         lyxerr << "Non-existent float type: "
2801                                << argument << endl;
2802                 }
2803
2804         }
2805         break;
2806
2807 #if 0
2808         case LFUN_INSET_LIST:
2809                 insertAndEditInset(new InsetList);
2810                 break;
2811
2812         case LFUN_INSET_THEOREM:
2813                 insertAndEditInset(new InsetTheorem);
2814                 break;
2815 #endif
2816
2817         case LFUN_INSET_CAPTION:
2818         {
2819                 // Do we have a locking inset...
2820                 if (bv_->theLockingInset()) {
2821                         lyxerr << "Locking inset code: "
2822                                << static_cast<int>(bv_->theLockingInset()->lyxCode());
2823                         InsetCaption * new_inset = new InsetCaption;
2824                         new_inset->setOwner(bv_->theLockingInset());
2825                         new_inset->setAutoBreakRows(true);
2826                         new_inset->setDrawFrame(0, InsetText::LOCKED);
2827                         new_inset->setFrameColor(0, LColor::captionframe);
2828                         if (insertInset(new_inset))
2829                                 new_inset->edit(bv_);
2830                         else
2831                                 delete new_inset;
2832                 }
2833         }
2834         break;
2835
2836         case LFUN_INSET_TABULAR:
2837         {
2838                 int r = 2;
2839                 int c = 2;
2840                 if (!argument.empty())
2841                         ::sscanf(argument.c_str(),"%d%d", &r, &c);
2842                 InsetTabular * new_inset =
2843                         new InsetTabular(*buffer_, r, c);
2844                 bool const rtl =
2845                         bv_->getLyXText()->real_current_font.isRightToLeft();
2846                 if (!open_new_inset(new_inset, rtl))
2847                         delete new_inset;
2848         }
2849         break;
2850
2851         // --- lyxserver commands ----------------------------
2852
2853         case LFUN_CHARATCURSOR:
2854         {
2855                 pos_type pos = bv_->getLyXText()->cursor.pos();
2856                 if (pos < bv_->getLyXText()->cursor.par()->size())
2857                         owner_->getLyXFunc()->setMessage(
2858                                 tostr(bv_->getLyXText()->cursor.par()->getChar(pos)));
2859                 else
2860                         owner_->getLyXFunc()->setMessage("EOF");
2861         }
2862         break;
2863
2864         case LFUN_GETXY:
2865                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.x())
2866                                                  + ' '
2867                                                  + tostr(bv_->getLyXText()->cursor.y()));
2868                 break;
2869
2870         case LFUN_SETXY:
2871         {
2872                 int x = 0;
2873                 int y = 0;
2874                 if (::sscanf(argument.c_str(), " %d %d", &x, &y) != 2) {
2875                         lyxerr << "SETXY: Could not parse coordinates in '"
2876                                << argument << std::endl;
2877                 }
2878                 bv_->getLyXText()->setCursorFromCoordinates(bv_, x, y);
2879         }
2880         break;
2881
2882         case LFUN_GETLAYOUT:
2883                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.par()->layout));
2884                 break;
2885
2886         case LFUN_GETFONT:
2887         {
2888                 LyXFont & font = bv_->getLyXText()->current_font;
2889                 if (font.shape() == LyXFont::ITALIC_SHAPE)
2890                         owner_->getLyXFunc()->setMessage("E");
2891                 else if (font.shape() == LyXFont::SMALLCAPS_SHAPE)
2892                         owner_->getLyXFunc()->setMessage("N");
2893                 else
2894                         owner_->getLyXFunc()->setMessage("0");
2895
2896         }
2897         break;
2898
2899         // --- accented characters ---------------------------
2900
2901         case LFUN_UMLAUT:
2902         case LFUN_CIRCUMFLEX:
2903         case LFUN_GRAVE:
2904         case LFUN_ACUTE:
2905         case LFUN_TILDE:
2906         case LFUN_CEDILLA:
2907         case LFUN_MACRON:
2908         case LFUN_DOT:
2909         case LFUN_UNDERDOT:
2910         case LFUN_UNDERBAR:
2911         case LFUN_CARON:
2912         case LFUN_SPECIAL_CARON:
2913         case LFUN_BREVE:
2914         case LFUN_TIE:
2915         case LFUN_HUNG_UMLAUT:
2916         case LFUN_CIRCLE:
2917         case LFUN_OGONEK:
2918                 if (argument.empty()) {
2919                         // As always...
2920                         owner_->getLyXFunc()->handleKeyFunc(action);
2921                 } else {
2922                         owner_->getLyXFunc()->handleKeyFunc(action);
2923                         owner_->getIntl()->getTrans()
2924                                 .TranslateAndInsert(argument[0], bv_->getLyXText());
2925                         update(bv_->getLyXText(),
2926                                BufferView::SELECT
2927                                | BufferView::FITCUR
2928                                | BufferView::CHANGE);
2929                 }
2930                 break;
2931
2932         case LFUN_MATH_MACRO:
2933                 mathDispatchMathMacro(bv_, argument);
2934                 break;
2935
2936         case LFUN_MATH_DELIM:
2937                 mathDispatchMathDelim(bv_, argument);
2938                 break;
2939
2940         case LFUN_INSERT_MATRIX:
2941                 mathDispatchInsertMatrix(bv_, argument);
2942                 break;
2943
2944         case LFUN_INSERT_MATH:
2945                 mathDispatchInsertMath(bv_, argument);
2946                 break;
2947
2948         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
2949                 mathDispatchMathImportSelection(bv_, argument);
2950                 break;
2951
2952         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
2953                 mathDispatchMathDisplay(bv_, argument);
2954                 break;
2955
2956         case LFUN_MATH_MODE:             // Open or create an inlined math inset
2957                 mathDispatchMathMode(bv_, argument);
2958                 break;
2959
2960         case LFUN_GREEK:                 // Insert a single greek letter
2961                 mathDispatchGreek(bv_, argument);
2962                 break;
2963
2964         case LFUN_CITATION_INSERT:
2965         {
2966                 InsetCommandParams p;
2967                 p.setFromString(argument);
2968
2969                 InsetCitation * inset = new InsetCitation(p);
2970                 if (!insertInset(inset))
2971                         delete inset;
2972                 else
2973                         updateInset(inset, true);
2974         }
2975         break;
2976
2977         case LFUN_INSERT_BIBTEX:
2978         {
2979                 // ale970405+lasgoutt970425
2980                 // The argument can be up to two tokens separated
2981                 // by a space. The first one is the bibstyle.
2982                 string const db       = token(argument, ' ', 0);
2983                 string const bibstyle = token(argument, ' ', 1);
2984
2985                 InsetCommandParams p("BibTeX", db, bibstyle);
2986                 InsetBibtex * inset = new InsetBibtex(p);
2987
2988                 if (insertInset(inset)) {
2989                         if (argument.empty())
2990                                 inset->edit(bv_);
2991                 } else
2992                         delete inset;
2993         }
2994         break;
2995
2996         // BibTeX data bases
2997         case LFUN_BIBDB_ADD:
2998         {
2999                 InsetBibtex * inset =
3000                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3001                 if (inset) {
3002                         inset->addDatabase(argument);
3003                 }
3004         }
3005         break;
3006
3007         case LFUN_BIBDB_DEL:
3008         {
3009                 InsetBibtex * inset =
3010                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3011                 if (inset) {
3012                         inset->delDatabase(argument);
3013                 }
3014         }
3015         break;
3016
3017         case LFUN_BIBTEX_STYLE:
3018         {
3019                 InsetBibtex * inset =
3020                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3021                 if (inset) {
3022                         inset->setOptions(argument);
3023                 }
3024         }
3025         break;
3026
3027         case LFUN_INDEX_CREATE:
3028         {
3029                 InsetCommandParams p("index");
3030                 if (argument.empty()) {
3031                         string const idxstring(bv_->getLyXText()->getStringToIndex(bv_));
3032                         p.setContents(idxstring);
3033                 } else {
3034                         p.setContents(argument);
3035                 }
3036
3037                 owner_->getDialogs()->createIndex(p.getAsString());
3038         }
3039         break;
3040
3041         case LFUN_INDEX_INSERT:
3042         {
3043                 InsetCommandParams p;
3044                 p.setFromString(argument);
3045                 InsetIndex * inset = new InsetIndex(p);
3046
3047                 if (!insertInset(inset))
3048                         delete inset;
3049                 else
3050                         updateInset(inset, true);
3051         }
3052         break;
3053
3054         case LFUN_INDEX_INSERT_LAST:
3055         {
3056                 string const idxstring(bv_->getLyXText()->getStringToIndex(bv_));
3057                 if (!idxstring.empty()) {
3058                         owner_->message(_("Word `")
3059                                         + idxstring + _(("' indexed.")));
3060                         InsetCommandParams p("index", idxstring);
3061                         InsetIndex * inset = new InsetIndex(p);
3062
3063                         if (!insertInset(inset))
3064                                 delete inset;
3065                         else
3066                                 updateInset(inset, true);
3067                 }
3068         }
3069         break;
3070
3071         case LFUN_INDEX_PRINT:
3072         {
3073                 InsetCommandParams p("printindex");
3074                 Inset * inset = new InsetPrintIndex(p);
3075                 if (!insertInset(inset, "Standard"))
3076                         delete inset;
3077         }
3078         break;
3079
3080         case LFUN_PARENTINSERT:
3081         {
3082                 lyxerr << "arg " << argument << endl;
3083                 InsetCommandParams p("lyxparent", argument);
3084                 Inset * inset = new InsetParent(p, *buffer_);
3085                 if (!insertInset(inset, "Standard"))
3086                         delete inset;
3087         }
3088
3089         break;
3090
3091         case LFUN_CHILD_INSERT:
3092         {
3093                 InsetInclude::Params p;
3094                 p.cparams.setFromString(argument);
3095                 p.masterFilename_ = buffer_->fileName();
3096
3097                 InsetInclude * inset = new InsetInclude(p);
3098                 if (!insertInset(inset))
3099                         delete inset;
3100                 else {
3101                         updateInset(inset, true);
3102                         bv_->owner()->getDialogs()->showInclude(inset);
3103                 }
3104         }
3105         break;
3106
3107         case LFUN_FLOAT_LIST:
3108         {
3109                 // We should check the argument for validity. (Lgb)
3110                 Inset * inset = new InsetFloatList(argument);
3111                 if (!insertInset(inset, "Standard"))
3112                         delete inset;
3113         }
3114         break;
3115
3116         case LFUN_THESAURUS_ENTRY:
3117         {
3118                 string arg = argument;
3119
3120                 if (arg.empty()) {
3121                         arg = bv_->getLyXText()->selectionAsString(buffer_,
3122                                                                    false);
3123
3124                         // FIXME
3125                         if (arg.size() > 100 || arg.empty()) {
3126                                 // Get word or selection
3127                                 bv_->getLyXText()->selectWordWhenUnderCursor(bv_, LyXText::WHOLE_WORD);
3128                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
3129                                 // FIXME: where is getLyXText()->unselect(bv_) ?
3130                         }
3131                 }
3132
3133                 bv_->owner()->getDialogs()->showThesaurus(arg);
3134         }
3135                 break;
3136
3137         case LFUN_SELFINSERT:
3138         {
3139                 if (argument.empty()) break;
3140
3141                 /* Automatically delete the currently selected
3142                  * text and replace it with what is being
3143                  * typed in now. Depends on lyxrc settings
3144                  * "auto_region_delete", which defaults to
3145                  * true (on). */
3146
3147                 LyXText * lt = bv_->getLyXText();
3148
3149                 if (lyxrc.auto_region_delete) {
3150                         if (lt->selection.set()) {
3151                                 lt->cutSelection(bv_, false, false);
3152                                 bv_->update(lt,
3153                                             BufferView::SELECT
3154                                             | BufferView::FITCUR
3155                                             | BufferView::CHANGE);
3156                         }
3157                 }
3158
3159                 beforeChange(lt);
3160                 LyXFont const old_font(lt->real_current_font);
3161
3162                 string::const_iterator cit = argument.begin();
3163                 string::const_iterator end = argument.end();
3164                 for (; cit != end; ++cit) {
3165                         owner_->getIntl()->getTrans().TranslateAndInsert(*cit, lt);
3166                 }
3167
3168                 bv_->update(lt,
3169                             BufferView::SELECT
3170                             | BufferView::FITCUR
3171                             | BufferView::CHANGE);
3172
3173                 lt->selection.cursor = lt->cursor;
3174                 moveCursorUpdate(false);
3175
3176                 // real_current_font.number can change so we need to
3177                 // update the minibuffer
3178                 if (old_font != lt->real_current_font)
3179                         owner_->showState();
3180                 //return string();
3181         }
3182         break;
3183
3184         case LFUN_DATE_INSERT:  // jdblair: date-insert cmd
3185         {
3186                 time_t now_time_t = time(NULL);
3187                 struct tm * now_tm = localtime(&now_time_t);
3188                 setlocale(LC_TIME, "");
3189                 string arg;
3190                 if (!argument.empty())
3191                         arg = argument;
3192                 else
3193                         arg = lyxrc.date_insert_format;
3194                 char datetmp[32];
3195                 int const datetmp_len =
3196                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
3197
3198                 LyXText * lt = bv_->getLyXText();
3199
3200                 for (int i = 0; i < datetmp_len; i++) {
3201                         lt->insertChar(bv_, datetmp[i]);
3202                         update(lt,
3203                                BufferView::SELECT
3204                                | BufferView::FITCUR
3205                                | BufferView::CHANGE);
3206                 }
3207
3208                 lt->selection.cursor = lt->cursor;
3209                 moveCursorUpdate(false);
3210         }
3211         break;
3212
3213         case LFUN_UNKNOWN_ACTION:
3214                 owner_->getLyXFunc()->setErrorMessage(N_("Unknown function!"));
3215                 break;
3216
3217         default:
3218                 return false;
3219         } // end of switch
3220
3221         return true;
3222 }
3223
3224
3225 void BufferView::Pimpl::newline()
3226 {
3227         if (available()) {
3228                 LyXText * lt = bv_->getLyXText();
3229                 hideCursor();
3230                 update(lt,
3231                        BufferView::SELECT
3232                        | BufferView::FITCUR);
3233                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
3234                 update(lt,
3235                        BufferView::SELECT
3236                        | BufferView::FITCUR
3237                        | BufferView::CHANGE);
3238         }
3239 }
3240
3241
3242 void BufferView::Pimpl::hfill()
3243 {
3244         if (available()) {
3245                 LyXText * lt = bv_->getLyXText();
3246                 hideCursor();
3247                 update(lt,
3248                        BufferView::SELECT
3249                        | BufferView::FITCUR);
3250                 lt->insertChar(bv_, Paragraph::META_HFILL);
3251                 update(lt,
3252                        BufferView::SELECT
3253                        | BufferView::FITCUR
3254                        | BufferView::CHANGE);
3255         }
3256 }
3257
3258
3259 void BufferView::Pimpl::protectedBlank(LyXText * lt)
3260 {
3261         if (available()) {
3262                 hideCursor();
3263                 update(lt, BufferView::SELECT|BufferView::FITCUR);
3264                 InsetSpecialChar * new_inset =
3265                         new InsetSpecialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
3266 #ifdef WITH_WARNINGS
3267 #warning Why is this code different from specialChar() below? (JMarc)
3268 // the code in specialChar is a generic version of what used to exist
3269 // for other special chars. I did not merge this case because of the
3270 // call to updateInset(), but what does it do?
3271 #endif
3272                 if (!insertInset(new_inset))
3273                         delete new_inset;
3274                 else
3275                         updateInset(new_inset, true);
3276         }
3277 }
3278
3279
3280 void BufferView::Pimpl::specialChar(InsetSpecialChar::Kind kind)
3281 {
3282         if (available()) {
3283                 LyXText * lt = bv_->getLyXText();
3284
3285                 hideCursor();
3286                 update(lt, BufferView::SELECT|BufferView::FITCUR);
3287                 InsetSpecialChar * new_inset =
3288                         new InsetSpecialChar(kind);
3289                 if (!insertInset(new_inset))
3290                         delete new_inset;
3291         }
3292 }
3293
3294
3295 void BufferView::Pimpl::smartQuote()
3296 {
3297         LyXText const * lt = bv_->getLyXText();
3298         Paragraph const * par = lt->cursor.par();
3299         pos_type pos = lt->cursor.pos();
3300         char c;
3301
3302         if (!pos
3303             || (par->isInset(pos - 1)
3304                 && par->getInset(pos - 1)->isSpace()))
3305                 c = ' ';
3306         else
3307                 c = par->getChar(pos - 1);
3308
3309
3310         hideCursor();
3311
3312         LyXLayout const & style = textclasslist.Style(
3313                 bv_->buffer()->params.textclass, par->getLayout());
3314
3315         if (style.pass_thru ||
3316                 (!insertInset(new InsetQuotes(c, bv_->buffer()->params))))
3317                 bv_->owner()->getLyXFunc()->dispatch(LFUN_SELFINSERT, "\"");
3318 }
3319
3320
3321 void BufferView::Pimpl::insertAndEditInset(Inset * inset)
3322 {
3323         if (insertInset(inset))
3324                 inset->edit(bv_);
3325         else
3326                 delete inset;
3327 }
3328
3329
3330 // Open and lock an updatable inset
3331 bool BufferView::Pimpl::open_new_inset(UpdatableInset * new_inset, bool behind)
3332 {
3333         LyXText * lt = bv_->getLyXText();
3334
3335         beforeChange(lt);
3336         finishUndo();
3337         if (!insertInset(new_inset)) {
3338                 delete new_inset;
3339                 return false;
3340         }
3341         new_inset->edit(bv_, !behind);
3342         return true;
3343 }
3344
3345
3346 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
3347 {
3348         // if we are in a locking inset we should try to insert the
3349         // inset there otherwise this is a illegal function now
3350         if (bv_->theLockingInset()) {
3351                 if (bv_->theLockingInset()->insetAllowed(inset))
3352                     return bv_->theLockingInset()->insertInset(bv_, inset);
3353                 return false;
3354         }
3355
3356         // not quite sure if we want this...
3357         setCursorParUndo(bv_);
3358         freezeUndo();
3359
3360         beforeChange(bv_->text);
3361         if (!lout.empty()) {
3362                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3363                 bv_->text->breakParagraph(bv_);
3364                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3365
3366                 if (bv_->text->cursor.par()->size()) {
3367                         bv_->text->cursorLeft(bv_);
3368
3369                         bv_->text->breakParagraph(bv_);
3370                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3371                 }
3372
3373                 pair<bool, layout_type> lres =
3374                         textclasslist.NumberOfLayout(buffer_->params .textclass, lout);
3375                 layout_type lay = 0;
3376                 if (lres.first != false) {
3377                         // layout found
3378                         lay = lres.second;
3379                 } else {
3380                         // layout not fount using default "Standard" (0)
3381                         lay = 0;
3382                 }
3383
3384                 bv_->text->setLayout(bv_, lay);
3385
3386                 bv_->text->setParagraph(bv_, 0, 0,
3387                                    0, 0,
3388                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
3389                                    Spacing(),
3390                                    LYX_ALIGN_LAYOUT,
3391                                    string(),
3392                                    0);
3393                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3394         }
3395
3396         bv_->text->insertInset(bv_, inset);
3397         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3398
3399         unFreezeUndo();
3400         return true;
3401 }
3402
3403
3404 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
3405 {
3406         if (!inset)
3407                 return;
3408
3409         // first check for locking insets
3410         if (bv_->theLockingInset()) {
3411                 if (bv_->theLockingInset() == inset) {
3412                         if (bv_->text->updateInset(bv_, inset)) {
3413                                 update();
3414                                 if (mark_dirty) {
3415                                         buffer_->markDirty();
3416                                 }
3417                                 updateScrollbar();
3418                                 return;
3419                         }
3420                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
3421                         if (bv_->text->updateInset(bv_,  bv_->theLockingInset())) {
3422                                 update();
3423                                 if (mark_dirty) {
3424                                         buffer_->markDirty();
3425                                 }
3426                                 updateScrollbar();
3427                                 return;
3428                         }
3429                 }
3430         }
3431
3432         // then check the current buffer
3433         if (available()) {
3434                 hideCursor();
3435                 update(bv_->text, BufferView::UPDATE);
3436                 if (bv_->text->updateInset(bv_, inset)) {
3437                         if (mark_dirty) {
3438                                 update(bv_->text,
3439                                        BufferView::SELECT
3440                                        | BufferView::FITCUR
3441                                        | BufferView::CHANGE);
3442                         } else {
3443                                 update(bv_->text, SELECT);
3444                         }
3445                         return;
3446                 }
3447         }
3448 }
3449
3450
3451 void BufferView::Pimpl::gotoInset(vector<Inset::Code> const & codes,
3452                                   bool same_content)
3453 {
3454         if (!available()) return;
3455
3456         hideCursor();
3457         beforeChange(bv_->text);
3458         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3459
3460         LyXCursor const & cursor = bv_->text->cursor;
3461
3462         string contents;
3463         if (same_content &&
3464             cursor.par()->isInset(cursor.pos())) {
3465                 Inset const * inset = cursor.par()->getInset(cursor.pos());
3466                 if (find(codes.begin(), codes.end(), inset->lyxCode())
3467                     != codes.end())
3468                         contents =
3469                                 static_cast<InsetCommand const *>(inset)->getContents();
3470         }
3471
3472
3473         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3474                 if (bv_->text->cursor.pos()
3475                     || bv_->text->cursor.par() != bv_->text->ownerParagraph()) {
3476                         LyXCursor tmp = bv_->text->cursor;
3477                         bv_->text->cursor.par(bv_->text->ownerParagraph());
3478                         bv_->text->cursor.pos(0);
3479                         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3480                                 bv_->text->cursor = tmp;
3481                                 bv_->owner()->message(_("No more insets"));
3482                         }
3483                 } else {
3484                         bv_->owner()->message(_("No more insets"));
3485                 }
3486         }
3487         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3488         bv_->text->selection.cursor = bv_->text->cursor;
3489 }
3490
3491
3492 void BufferView::Pimpl::gotoInset(Inset::Code code, bool same_content)
3493 {
3494         gotoInset(vector<Inset::Code>(1, code), same_content);
3495 }