src/BufferView_pimpl.C

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