src/text3.C

   1 /**
   2  * \file text3.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "lyxtext.h"
  19
  20 #include "FloatList.h"
  21 #include "FuncStatus.h"
  22 #include "buffer.h"
  23 #include "buffer_funcs.h"
  24 #include "bufferparams.h"
  25 #include "BufferView.h"
  26 #include "cursor.h"
  27 #include "coordcache.h"
  28 #include "CutAndPaste.h"
  29 #include "debug.h"
  30 #include "dispatchresult.h"
  31 #include "factory.h"
  32 #include "funcrequest.h"
  33 #include "gettext.h"
  34 #include "intl.h"
  35 #include "language.h"
  36 #include "LyXAction.h"
  37 #include "lyxfunc.h"
  38 #include "lyxlex.h"
  39 #include "lyxrc.h"
  40 #include "lyxrow.h"
  41 #include "paragraph.h"
  42 #include "paragraph_funcs.h"
  43 #include "ParagraphParameters.h"
  44 #include "undo.h"
  45 #include "vspace.h"
  46
  47 #include "frontends/Dialogs.h"
  48 #include "frontends/LyXView.h"
  49
  50 #include "insets/insetcommand.h"
  51 #include "insets/insetfloatlist.h"
  52 #include "insets/insetnewline.h"
  53 #include "insets/insetquotes.h"
  54 #include "insets/insetspecialchar.h"
  55 #include "insets/insettext.h"
  56
  57 #include "support/lstrings.h"
  58 #include "support/lyxlib.h"
  59 #include "support/convert.h"
  60 #include "support/lyxtime.h"
  61
  62 #include "mathed/math_hullinset.h"
  63 #include "mathed/math_macrotemplate.h"
  64
  65 #include <boost/current_function.hpp>
  66
  67 #include <clocale>
  68 #include <sstream>
  69
  70 using lyx::pos_type;
  71
  72 using lyx::cap::copySelection;
  73 using lyx::cap::cutSelection;
  74 using lyx::cap::pasteSelection;
  75 using lyx::cap::replaceSelection;
  76
  77 using lyx::support::isStrUnsignedInt;
  78 using lyx::support::token;
  79
  80 using std::endl;
  81 using std::string;
  82 using std::istringstream;
  83
  84
  85 extern string current_layout;
  86
  87
  88 namespace {
  89
  90         // globals...
  91         LyXFont freefont(LyXFont::ALL_IGNORE);
  92         bool toggleall = false;
  93
  94
  95         void toggleAndShow(LCursor & cur, LyXText * text,
  96                 LyXFont const & font, bool toggleall = true)
  97         {
  98                 text->toggleFree(cur, font, toggleall);
  99
 100                 if (font.language() != ignore_language ||
 101                                 font.number() != LyXFont::IGNORE) {
 102                         Paragraph & par = cur.paragraph();
 103                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 104                         if (cur.boundary() !=
 105                                         text->bidi.isBoundary(cur.buffer(), par,
 106                                                         cur.pos(),
 107                                                         text->real_current_font))
 108                                 text->setCursor(cur, cur.pit(), cur.pos(),
 109                                                 false, !cur.boundary());
 110                 }
 111         }
 112
 113
 114         void moveCursor(LCursor & cur, bool selecting)
 115         {
 116                 if (selecting || cur.mark())
 117                         cur.setSelection();
 118                 if (!cur.selection())
 119                         cur.bv().haveSelection(false);
 120                 cur.bv().switchKeyMap();
 121         }
 122
 123
 124         void finishChange(LCursor & cur, bool selecting)
 125         {
 126                 finishUndo();
 127                 moveCursor(cur, selecting);
 128         }
 129
 130
 131         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 132         {
 133                 recordUndo(cur);
 134                 string sel = cur.selectionAsString(false);
 135                 //lyxerr << "selection is: '" << sel << "'" << endl;
 136
 137                 if (sel.empty()) {
 138                         const int old_pos = cur.pos();
 139                         cur.insert(new MathHullInset("simple"));
 140                         BOOST_ASSERT(old_pos == cur.pos());
 141                         cur.nextInset()->edit(cur, true);
 142                         // don't do that also for LFUN_MATH_MODE
 143                         // unless you want end up with always changing
 144                         // to mathrm when opening an inlined inset --
 145                         // I really hate "LyXfunc overloading"...
 146                         if (display)
 147                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 148                         // Avoid an unnecessary undo step if cmd.argument
 149                         // is empty
 150                         if (!cmd.argument.empty())
 151                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH,
 152                                                          cmd.argument));
 153                 } else {
 154                         // create a macro if we see "\\newcommand"
 155                         // somewhere, and an ordinary formula
 156                         // otherwise
 157                         cutSelection(cur, true, true);
 158                         if (sel.find("\\newcommand") == string::npos
 159                             && sel.find("\\def") == string::npos)
 160                         {
 161                                 cur.insert(new MathHullInset("simple"));
 162                                 cur.dispatch(FuncRequest(LFUN_RIGHT));
 163                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH, sel));
 164                         } else {
 165                                 istringstream is(sel);
 166                                 cur.insert(new MathMacroTemplate(is));
 167                         }
 168                 }
 169                 cur.message(N_("Math editor mode"));
 170         }
 171
 172 } // namespace anon
 173
 174
 175
 176 namespace bv_funcs {
 177
 178 string const freefont2string()
 179 {
 180         string data;
 181         if (font2string(freefont, toggleall, data))
 182                 return data;
 183         return string();
 184 }
 185
 186 }
 187
 188 bool LyXText::cursorPrevious(LCursor & cur)
 189 {
 190         pos_type cpos = cur.pos();
 191         lyx::pit_type cpar = cur.pit();
 192
 193         int x = cur.x_target();
 194
 195         bool updated = setCursorFromCoordinates(cur, x, 0);
 196         if (updated)
 197                 cur.bv().update();
 198         updated |= cursorUp(cur);
 199
 200         if (cpar == cur.pit() && cpos == cur.pos()) {
 201                 // we have a row which is taller than the workarea. The
 202                 // simplest solution is to move to the previous row instead.
 203                 updated |= cursorUp(cur);
 204         }
 205
 206         cur.bv().updateScrollbar();
 207         finishUndo();
 208         return updated;
 209 }
 210
 211
 212 bool LyXText::cursorNext(LCursor & cur)
 213 {
 214         pos_type cpos = cur.pos();
 215         lyx::pit_type cpar = cur.pit();
 216
 217         int x = cur.x_target();
 218         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 219         if (updated)
 220                 cur.bv().update();
 221         updated |= cursorDown(cur);
 222
 223         if (cpar == cur.pit() && cpos == cur.pos()) {
 224                 // we have a row which is taller than the workarea. The
 225                 // simplest solution is to move to the next row instead.
 226                 updated |= cursorDown(cur);
 227         }
 228
 229         cur.bv().updateScrollbar();
 230         finishUndo();
 231         return updated;
 232 }
 233
 234
 235 namespace {
 236
 237 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 238 {
 239         lyx::cap::replaceSelection(cur);
 240         cur.insert(new InsetSpecialChar(kind));
 241         cur.posRight();
 242 }
 243
 244
 245 bool doInsertInset(LCursor & cur, LyXText * text,
 246         FuncRequest const & cmd, bool edit, bool pastesel)
 247 {
 248         InsetBase * inset = createInset(&cur.bv(), cmd);
 249         if (!inset)
 250                 return false;
 251
 252         recordUndo(cur);
 253         bool gotsel = false;
 254         if (cur.selection()) {
 255                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 256                 gotsel = true;
 257         }
 258         text->insertInset(cur, inset);
 259
 260         if (edit)
 261                 inset->edit(cur, true);
 262
 263         if (gotsel && pastesel)
 264                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 265         return true;
 266 }
 267
 268
 269 void update(LCursor & cur)
 270 {
 271         //we don't call update(true, false) directly to save a metrics call
 272         if (cur.bv().fitCursor())
 273                 cur.bv().update(Update::Force);
 274 }
 275
 276
 277 } // anon namespace
 278
 279
 280 void LyXText::number(LCursor & cur)
 281 {
 282         LyXFont font(LyXFont::ALL_IGNORE);
 283         font.setNumber(LyXFont::TOGGLE);
 284         toggleAndShow(cur, this, font);
 285 }
 286
 287
 288 bool LyXText::isRTL(Paragraph const & par) const
 289 {
 290         return par.isRightToLeftPar(bv()->buffer()->params());
 291 }
 292
 293
 294 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 295 {
 296         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 297
 298         BOOST_ASSERT(cur.text() == this);
 299         BufferView * bv = &cur.bv();
 300         CursorSlice oldTopSlice = cur.top();
 301         bool oldBoundary = cur.boundary();
 302         bool sel = cur.selection();
 303         // Signals that, even if needsUpdate == false, an update of the
 304         // cursor paragraph is required
 305         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 306                 LyXAction::SingleParUpdate);
 307         // Signals that a full-screen update is required
 308         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 309                 LyXAction::NoUpdate) || singleParUpdate);
 310         // Remember the old paragraph metric
 311         Dimension olddim = cur.paragraph().dim();
 312
 313         switch (cmd.action) {
 314
 315         case LFUN_APPENDIX: {
 316                 Paragraph & par = cur.paragraph();
 317                 bool start = !par.params().startOfAppendix();
 318
 319 #ifdef WITH_WARNINGS
 320 #warning The code below only makes sense at top level.
 321 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 322 #endif
 323                 // ensure that we have only one start_of_appendix in this document
 324                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 325                         if (pars_[tmp].params().startOfAppendix()) {
 326                                 recUndo(tmp);
 327                                 pars_[tmp].params().startOfAppendix(false);
 328                                 break;
 329                         }
 330                 }
 331
 332                 recordUndo(cur);
 333                 par.params().startOfAppendix(start);
 334
 335                 // we can set the refreshing parameters now
 336                 updateCounters(cur.buffer());
 337                 break;
 338         }
 339
 340         case LFUN_DELETE_WORD_FORWARD:
 341                 cur.clearSelection();
 342                 deleteWordForward(cur);
 343                 finishChange(cur, false);
 344                 break;
 345
 346         case LFUN_DELETE_WORD_BACKWARD:
 347                 cur.clearSelection();
 348                 deleteWordBackward(cur);
 349                 finishChange(cur, false);
 350                 break;
 351
 352         case LFUN_DELETE_LINE_FORWARD:
 353                 cur.clearSelection();
 354                 deleteLineForward(cur);
 355                 finishChange(cur, false);
 356                 break;
 357
 358         case LFUN_WORDRIGHT:
 359                 if (!cur.mark())
 360                         cur.clearSelection();
 361                 if (isRTL(cur.paragraph()))
 362                         needsUpdate = cursorLeftOneWord(cur);
 363                 else
 364                         needsUpdate = cursorRightOneWord(cur);
 365                 finishChange(cur, false);
 366                 break;
 367
 368         case LFUN_WORDLEFT:
 369                 if (!cur.mark())
 370                         cur.clearSelection();
 371                 if (isRTL(cur.paragraph()))
 372                         needsUpdate = cursorRightOneWord(cur);
 373                 else
 374                         needsUpdate = cursorLeftOneWord(cur);
 375                 finishChange(cur, false);
 376                 break;
 377
 378         case LFUN_BEGINNINGBUF:
 379                 if (cur.depth() == 1) {
 380                         if (!cur.mark())
 381                                 cur.clearSelection();
 382                         cursorTop(cur);
 383                         finishChange(cur, false);
 384                 } else {
 385                         cur.undispatched();
 386                 }
 387                 break;
 388
 389         case LFUN_BEGINNINGBUFSEL:
 390                 if (cur.depth() == 1) {
 391                         if (!cur.selection())
 392                                 cur.resetAnchor();
 393                         cursorTop(cur);
 394                         finishChange(cur, true);
 395                 } else {
 396                         cur.undispatched();
 397                 }
 398                 break;
 399
 400         case LFUN_ENDBUF:
 401                 if (cur.depth() == 1) {
 402                         if (!cur.mark())
 403                                 cur.clearSelection();
 404                         cursorBottom(cur);
 405                         finishChange(cur, false);
 406                 } else {
 407                         cur.undispatched();
 408                 }
 409                 break;
 410
 411         case LFUN_ENDBUFSEL:
 412                 if (cur.depth() == 1) {
 413                         if (!cur.selection())
 414                                 cur.resetAnchor();
 415                         cursorBottom(cur);
 416                         finishChange(cur, true);
 417                 } else {
 418                         cur.undispatched();
 419                 }
 420                 break;
 421
 422         case LFUN_RIGHT:
 423         case LFUN_RIGHTSEL:
 424                 //lyxerr << BOOST_CURRENT_FUNCTION
 425                 //       << " LFUN_RIGHT[SEL]:\n" << cur << endl;
 426                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 427                 if (isRTL(cur.paragraph()))
 428                         needsUpdate = cursorLeft(cur);
 429                 else
 430                         needsUpdate = cursorRight(cur);
 431
 432                 if (!needsUpdate && oldTopSlice == cur.top()
 433                                 && cur.boundary() == oldBoundary) {
 434                         cur.undispatched();
 435                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 436                 }
 437                 break;
 438
 439         case LFUN_LEFT:
 440         case LFUN_LEFTSEL:
 441                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 442                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 443                 if (isRTL(cur.paragraph()))
 444                         needsUpdate = cursorRight(cur);
 445                 else
 446                         needsUpdate = cursorLeft(cur);
 447
 448                 if (!needsUpdate && oldTopSlice == cur.top()
 449                         && cur.boundary() == oldBoundary) {
 450                         cur.undispatched();
 451                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 452                 }
 453                 break;
 454
 455         case LFUN_UP:
 456         case LFUN_UPSEL:
 457                 update(cur);
 458                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 459                 cur.selHandle(cmd.action == LFUN_UPSEL);
 460
 461                 needsUpdate = cursorUp(cur);
 462                 if (!needsUpdate && oldTopSlice == cur.top()
 463                           && cur.boundary() == oldBoundary) {
 464                         cur.undispatched();
 465                         cmd = FuncRequest(LFUN_FINISHED_UP);
 466                 }
 467                 break;
 468
 469         case LFUN_DOWN:
 470         case LFUN_DOWNSEL:
 471                 update(cur);
 472                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 473                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 474                 needsUpdate = cursorDown(cur);
 475                 if (!needsUpdate && oldTopSlice == cur.top() &&
 476                     cur.boundary() == oldBoundary)
 477                 {
 478                         cur.undispatched();
 479                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 480                 }
 481                 break;
 482
 483         case LFUN_UP_PARAGRAPH:
 484                 if (!cur.mark())
 485                         cur.clearSelection();
 486                 needsUpdate = cursorUpParagraph(cur);
 487                 finishChange(cur, false);
 488                 break;
 489
 490         case LFUN_UP_PARAGRAPHSEL:
 491                 if (!cur.selection())
 492                         cur.resetAnchor();
 493                 cursorUpParagraph(cur);
 494                 finishChange(cur, true);
 495                 break;
 496
 497         case LFUN_DOWN_PARAGRAPH:
 498                 if (!cur.mark())
 499                         cur.clearSelection();
 500                 needsUpdate = cursorDownParagraph(cur);
 501                 finishChange(cur, false);
 502                 break;
 503
 504         case LFUN_DOWN_PARAGRAPHSEL:
 505                 if (!cur.selection())
 506                         cur.resetAnchor();
 507                 cursorDownParagraph(cur);
 508                 finishChange(cur, true);
 509                 break;
 510
 511         case LFUN_PRIORSEL:
 512                 update(cur);
 513                 if (!cur.selection())
 514                         cur.resetAnchor();
 515                 cursorPrevious(cur);
 516                 finishChange(cur, true);
 517                 break;
 518
 519         case LFUN_NEXTSEL:
 520                 update(cur);
 521                 if (!cur.selection())
 522                         cur.resetAnchor();
 523                 cursorNext(cur);
 524                 finishChange(cur, true);
 525                 break;
 526
 527         case LFUN_HOMESEL:
 528                 update(cur);
 529                 if (!cur.selection())
 530                         cur.resetAnchor();
 531                 cursorHome(cur);
 532                 finishChange(cur, true);
 533                 break;
 534
 535         case LFUN_ENDSEL:
 536                 update(cur);
 537                 if (!cur.selection())
 538                         cur.resetAnchor();
 539                 cursorEnd(cur);
 540                 finishChange(cur, true);
 541                 break;
 542
 543         case LFUN_WORDRIGHTSEL:
 544                 if (!cur.selection())
 545                         cur.resetAnchor();
 546                 if (isRTL(cur.paragraph()))
 547                         cursorLeftOneWord(cur);
 548                 else
 549                         cursorRightOneWord(cur);
 550                 finishChange(cur, true);
 551                 break;
 552
 553         case LFUN_WORDLEFTSEL:
 554                 if (!cur.selection())
 555                         cur.resetAnchor();
 556                 if (isRTL(cur.paragraph()))
 557                         cursorRightOneWord(cur);
 558                 else
 559                         cursorLeftOneWord(cur);
 560                 finishChange(cur, true);
 561                 break;
 562
 563         case LFUN_WORDSEL: {
 564                 selectWord(cur, lyx::WHOLE_WORD);
 565                 finishChange(cur, true);
 566                 break;
 567         }
 568
 569         case LFUN_PRIOR:
 570                 update(cur);
 571                 if (!cur.mark())
 572                         cur.clearSelection();
 573                 finishChange(cur, false);
 574                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 575                         cur.undispatched();
 576                         cmd = FuncRequest(LFUN_FINISHED_UP);
 577                 } else {
 578                         needsUpdate = cursorPrevious(cur);
 579                 }
 580                 break;
 581
 582         case LFUN_NEXT:
 583                 update(cur);
 584                 if (!cur.mark())
 585                         cur.clearSelection();
 586                 finishChange(cur, false);
 587                 if (cur.pit() == cur.lastpit()
 588                           && cur.textRow().endpos() == cur.lastpos()) {
 589                         cur.undispatched();
 590                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 591                 } else {
 592                         needsUpdate = cursorNext(cur);
 593                 }
 594                 break;
 595
 596         case LFUN_HOME:
 597                 if (!cur.mark())
 598                         cur.clearSelection();
 599                 cursorHome(cur);
 600                 finishChange(cur, false);
 601                 break;
 602
 603         case LFUN_END:
 604                 if (!cur.mark())
 605                         cur.clearSelection();
 606                 cursorEnd(cur);
 607                 finishChange(cur, false);
 608                 break;
 609
 610         case LFUN_BREAKLINE: {
 611                 // Not allowed by LaTeX (labels or empty par)
 612                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 613                         lyx::cap::replaceSelection(cur);
 614                         cur.insert(new InsetNewline);
 615                         cur.posRight();
 616                         moveCursor(cur, false);
 617                 }
 618                 break;
 619         }
 620
 621         case LFUN_DELETE:
 622                 if (!cur.selection()) {
 623                         Delete(cur);
 624                         cur.resetAnchor();
 625                         // It is possible to make it a lot faster still
 626                         // just comment out the line below...
 627                 } else {
 628                         cutSelection(cur, true, false);
 629                 }
 630                 moveCursor(cur, false);
 631                 break;
 632
 633         case LFUN_DELETE_SKIP:
 634                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 635                 if (!cur.selection()) {
 636                         if (cur.pos() == cur.lastpos()) {
 637                                 cursorRight(cur);
 638                                 cursorLeft(cur);
 639                         }
 640                         Delete(cur);
 641                         cur.resetAnchor();
 642                 } else {
 643                         cutSelection(cur, true, false);
 644                 }
 645                 break;
 646
 647
 648         case LFUN_BACKSPACE:
 649                 if (!cur.selection()) {
 650                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 651                                 backspace(cur);
 652                                 cur.resetAnchor();
 653                                 // It is possible to make it a lot faster still
 654                                 // just comment out the line below...
 655                         }
 656                 } else {
 657                         cutSelection(cur, true, false);
 658                 }
 659                 bv->switchKeyMap();
 660                 break;
 661
 662         case LFUN_BACKSPACE_SKIP:
 663                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 664                 if (!cur.selection()) {
 665 #ifdef WITH_WARNINGS
 666 #warning look here
 667 #endif
 668                         //CursorSlice cur = cursor();
 669                         backspace(cur);
 670                         //anchor() = cur;
 671                 } else {
 672                         cutSelection(cur, true, false);
 673                 }
 674                 break;
 675
 676         case LFUN_BREAKPARAGRAPH:
 677                 lyx::cap::replaceSelection(cur);
 678                 breakParagraph(cur, 0);
 679                 cur.resetAnchor();
 680                 bv->switchKeyMap();
 681                 break;
 682
 683         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 684                 lyx::cap::replaceSelection(cur);
 685                 breakParagraph(cur, 1);
 686                 cur.resetAnchor();
 687                 bv->switchKeyMap();
 688                 break;
 689
 690         case LFUN_BREAKPARAGRAPH_SKIP: {
 691                 // When at the beginning of a paragraph, remove
 692                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 693                 lyx::cap::replaceSelection(cur);
 694                 if (cur.pos() == 0)
 695                         cur.paragraph().params().labelWidthString(string());
 696                 else
 697                         breakParagraph(cur, 0);
 698                 cur.resetAnchor();
 699                 bv->switchKeyMap();
 700                 break;
 701         }
 702
 703         case LFUN_PARAGRAPH_SPACING: {
 704                 Paragraph & par = cur.paragraph();
 705                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 706                 string cur_value = "1.0";
 707                 if (cur_spacing == Spacing::Other)
 708                         cur_value = par.params().spacing().getValueAsString();
 709
 710                 istringstream is(cmd.argument);
 711                 string tmp;
 712                 is >> tmp;
 713                 Spacing::Space new_spacing = cur_spacing;
 714                 string new_value = cur_value;
 715                 if (tmp.empty()) {
 716                         lyxerr << "Missing argument to `paragraph-spacing'"
 717                                << endl;
 718                 } else if (tmp == "single") {
 719                         new_spacing = Spacing::Single;
 720                 } else if (tmp == "onehalf") {
 721                         new_spacing = Spacing::Onehalf;
 722                 } else if (tmp == "double") {
 723                         new_spacing = Spacing::Double;
 724                 } else if (tmp == "other") {
 725                         new_spacing = Spacing::Other;
 726                         string tmpval = "0.0";
 727                         is >> tmpval;
 728                         lyxerr << "new_value = " << tmpval << endl;
 729                         if (tmpval != "0.0")
 730                                 new_value = tmpval;
 731                 } else if (tmp == "default") {
 732                         new_spacing = Spacing::Default;
 733                 } else {
 734                         lyxerr << _("Unknown spacing argument: ")
 735                                << cmd.argument << endl;
 736                 }
 737                 if (cur_spacing != new_spacing || cur_value != new_value)
 738                         par.params().spacing(Spacing(new_spacing, new_value));
 739                 break;
 740         }
 741
 742         case LFUN_INSET_INSERT: {
 743                 recordUndo(cur);
 744                 InsetBase * inset = createInset(bv, cmd);
 745                 if (inset) {
 746                         insertInset(cur, inset);
 747                         cur.posRight();
 748                 }
 749                 break;
 750         }
 751
 752         case LFUN_INSET_SETTINGS:
 753                 cur.inset().showInsetDialog(bv);
 754                 break;
 755
 756         case LFUN_NEXT_INSET_TOGGLE: {
 757                 InsetBase * inset = cur.nextInset();
 758                 // this is the real function we want to invoke
 759                 cmd = FuncRequest(LFUN_INSET_TOGGLE);
 760                 cur.undispatched();
 761                 // if there is an inset at cursor, see whether it
 762                 // wants to toggle.
 763                 if (inset) {
 764                         LCursor tmpcur = cur;
 765                         tmpcur.pushLeft(*inset);
 766                         inset->dispatch(tmpcur, cmd);
 767                         if (tmpcur.result().dispatched()) {
 768                                 cur.clearSelection();
 769                                 cur.dispatched();
 770                         }
 771                 }
 772                 // if it did not work, try the underlying inset.
 773                 if (!cur.result().dispatched())
 774                         cur.inset().dispatch(cur, cmd);
 775                 break;
 776         }
 777
 778         case LFUN_KEYMAP_TOGGLE:
 779                 cur.clearSelection();
 780                 bv->switchKeyMap();
 781                 break;
 782
 783         case LFUN_SPACE_INSERT:
 784                 if (cur.paragraph().layout()->free_spacing)
 785                         insertChar(cur, ' ');
 786                 else {
 787                         doInsertInset(cur, this, cmd, false, false);
 788                         cur.posRight();
 789                 }
 790                 moveCursor(cur, false);
 791                 break;
 792
 793         case LFUN_HYPHENATION:
 794                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 795                 break;
 796
 797         case LFUN_LIGATURE_BREAK:
 798                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 799                 break;
 800
 801         case LFUN_LDOTS:
 802                 specialChar(cur, InsetSpecialChar::LDOTS);
 803                 break;
 804
 805         case LFUN_END_OF_SENTENCE:
 806                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 807                 break;
 808
 809         case LFUN_MENU_SEPARATOR:
 810                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 811                 break;
 812
 813         case LFUN_UPCASE_WORD:
 814                 changeCase(cur, LyXText::text_uppercase);
 815                 break;
 816
 817         case LFUN_LOWCASE_WORD:
 818                 changeCase(cur, LyXText::text_lowercase);
 819                 break;
 820
 821         case LFUN_CAPITALIZE_WORD:
 822                 changeCase(cur, LyXText::text_capitalization);
 823                 break;
 824
 825         case LFUN_TRANSPOSE_CHARS:
 826                 recordUndo(cur);
 827                 break;
 828
 829         case LFUN_PASTE:
 830                 cur.message(_("Paste"));
 831                 lyx::cap::replaceSelection(cur);
 832 #ifdef WITH_WARNINGS
 833 #warning FIXME Check if the arg is in the domain of available selections.
 834 #endif
 835                 if (isStrUnsignedInt(cmd.argument))
 836                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 837                 else
 838                         pasteSelection(cur, 0);
 839                 cur.clearSelection(); // bug 393
 840                 bv->switchKeyMap();
 841                 finishUndo();
 842                 break;
 843
 844         case LFUN_CUT:
 845                 cutSelection(cur, true, true);
 846                 cur.message(_("Cut"));
 847                 break;
 848
 849         case LFUN_COPY:
 850                 copySelection(cur);
 851                 cur.message(_("Copy"));
 852                 break;
 853
 854         case LFUN_GETXY:
 855                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 856                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 857                 break;
 858
 859         case LFUN_SETXY: {
 860                 int x = 0;
 861                 int y = 0;
 862                 istringstream is(cmd.argument);
 863                 is >> x >> y;
 864                 if (!is)
 865                         lyxerr << "SETXY: Could not parse coordinates in '"
 866                                << cmd.argument << std::endl;
 867                 else
 868                         setCursorFromCoordinates(cur, x, y);
 869                 break;
 870         }
 871
 872         case LFUN_GETFONT:
 873                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 874                         cur.message("E");
 875                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 876                         cur.message("N");
 877                 else
 878                         cur.message("0");
 879                 break;
 880
 881         case LFUN_GETLAYOUT:
 882                 cur.message(cur.paragraph().layout()->name());
 883                 break;
 884
 885         case LFUN_LAYOUT: {
 886                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 887                   << cmd.argument << endl;
 888
 889                 // This is not the good solution to the empty argument
 890                 // problem, but it will hopefully suffice for 1.2.0.
 891                 // The correct solution would be to augument the
 892                 // function list/array with information about what
 893                 // functions needs arguments and their type.
 894                 if (cmd.argument.empty()) {
 895                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 896                         break;
 897                 }
 898
 899                 // Derive layout number from given argument (string)
 900                 // and current buffer's textclass (number)
 901                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 902                 bool hasLayout = tclass.hasLayout(cmd.argument);
 903                 string layout = cmd.argument;
 904
 905                 // If the entry is obsolete, use the new one instead.
 906                 if (hasLayout) {
 907                         string const & obs = tclass[layout]->obsoleted_by();
 908                         if (!obs.empty())
 909                                 layout = obs;
 910                 }
 911
 912                 if (!hasLayout) {
 913                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 914                                 N_(" not known"));
 915                         break;
 916                 }
 917
 918                 bool change_layout = (current_layout != layout);
 919
 920                 if (!change_layout && cur.selection() &&
 921                         cur.selBegin().pit() != cur.selEnd().pit())
 922                 {
 923                         pit_type spit = cur.selBegin().pit();
 924                         pit_type epit = cur.selEnd().pit() + 1;
 925                         while (spit != epit) {
 926                                 if (pars_[spit].layout()->name() != current_layout) {
 927                                         change_layout = true;
 928                                         break;
 929                                 }
 930                                 ++spit;
 931                         }
 932                 }
 933
 934                 if (change_layout) {
 935                         current_layout = layout;
 936                         setLayout(cur, layout);
 937                         bv->owner()->setLayout(layout);
 938                         bv->switchKeyMap();
 939                 }
 940                 break;
 941         }
 942
 943         case LFUN_PASTESELECTION: {
 944                 cur.clearSelection();
 945                 string const clip = bv->getClipboard();
 946                 if (!clip.empty()) {
 947                         recordUndo(cur);
 948                         if (cmd.argument == "paragraph")
 949                                 insertStringAsParagraphs(cur, clip);
 950                         else
 951                                 insertStringAsLines(cur, clip);
 952                 }
 953                 break;
 954         }
 955
 956         case LFUN_QUOTE: {
 957                 lyx::cap::replaceSelection(cur);
 958                 Paragraph & par = cur.paragraph();
 959                 lyx::pos_type pos = cur.pos();
 960                 char c;
 961                 if (pos == 0)
 962                         c = ' ';
 963                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 964                         c = ' ';
 965                 else
 966                         c = par.getChar(pos - 1);
 967
 968                 LyXLayout_ptr const & style = par.layout();
 969
 970                 BufferParams const & bufparams = bv->buffer()->params();
 971                 if (!style->pass_thru
 972                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 973                         string arg = cmd.argument;
 974                         if (arg == "single")
 975                                 cur.insert(new InsetQuotes(c,
 976                                     bufparams.quotes_language,
 977                                     InsetQuotes::SingleQ));
 978                         else
 979                                 cur.insert(new InsetQuotes(c,
 980                                     bufparams.quotes_language,
 981                                     InsetQuotes::DoubleQ));
 982                         cur.posRight();
 983                 }
 984                 else
 985                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
 986                 break;
 987         }
 988
 989         case LFUN_DATE_INSERT:
 990                 if (cmd.argument.empty())
 991                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 992                                 lyx::formatted_time(lyx::current_time())));
 993                 else
 994                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 995                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
 996                 break;
 997
 998         case LFUN_MOUSE_TRIPLE:
 999                 if (cmd.button() == mouse_button::button1) {
1000                         cursorHome(cur);
1001                         cur.resetAnchor();
1002                         cursorEnd(cur);
1003                         cur.setSelection();
1004                         bv->cursor() = cur;
1005                         bv->haveSelection(cur.selection());
1006                 }
1007                 break;
1008
1009         case LFUN_MOUSE_DOUBLE:
1010                 if (cmd.button() == mouse_button::button1) {
1011                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1012                         bv->cursor() = cur;
1013                         bv->haveSelection(cur.selection());
1014                 }
1015                 break;
1016
1017         // Single-click on work area
1018         case LFUN_MOUSE_PRESS: {
1019                 // Right click on a footnote flag opens float menu
1020                 if (cmd.button() == mouse_button::button3) {
1021                         cur.clearSelection();
1022                         break;
1023                 }
1024
1025                 // Middle button press pastes if we have a selection
1026                 // We do this here as if the selection was inside an inset
1027                 // it could get cleared on the unlocking of the inset so
1028                 // we have to check this first
1029                 bool paste_internally = false;
1030                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1031                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1032                         paste_internally = true;
1033                 }
1034
1035                 // Clear the selection
1036                 cur.clearSelection();
1037
1038                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1039                 cur.resetAnchor();
1040                 finishUndo();
1041                 cur.setTargetX();
1042
1043                 // Has the cursor just left the inset?
1044                 if (bv->cursor().inMathed() && !cur.inMathed())
1045                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1046
1047                 // Set cursor here.
1048                 bv->cursor() = cur;
1049
1050                 // Insert primary selection with middle mouse
1051                 // if there is a local selection in the current buffer,
1052                 // insert this
1053                 if (cmd.button() == mouse_button::button2) {
1054                         if (paste_internally)
1055                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1056                         else
1057                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1058                 }
1059
1060                 break;
1061         }
1062
1063         case LFUN_MOUSE_MOTION: {
1064                 // Only use motion with button 1
1065                 //if (cmd.button() != mouse_button::button1)
1066                 //      return false;
1067
1068                 // ignore motions deeper nested than the real anchor
1069                 LCursor & bvcur = cur.bv().cursor();
1070                 if (bvcur.anchor_.hasPart(cur)) {
1071                         CursorSlice old = bvcur.top();
1072
1073                         int const wh = bv->workHeight();
1074                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1075
1076                         setCursorFromCoordinates(cur, cmd.x, y);
1077                         cur.x_target() = cmd.x;
1078                         if (cmd.y >= wh)
1079                                 cursorDown(cur);
1080                         else if (cmd.y < 0)
1081                                 cursorUp(cur);
1082                         // This is to allow jumping over large insets
1083                         if (cur.top() == old) {
1084                                 if (cmd.y >= wh)
1085                                         cursorDown(cur);
1086                                 else if (cmd.y < 0)
1087                                         cursorUp(cur);
1088                         }
1089
1090                         if (cur.top() == old)
1091                                 cur.noUpdate();
1092                         else {
1093                                 // don't set anchor_
1094                                 bvcur.setCursor(cur);
1095                                 bvcur.selection() = true;
1096                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1097                         }
1098
1099                 } else
1100                         cur.undispatched();
1101                 break;
1102         }
1103
1104         case LFUN_MOUSE_RELEASE: {
1105                 if (cmd.button() == mouse_button::button2)
1106                         break;
1107
1108                 // finish selection
1109                 if (cmd.button() == mouse_button::button1)
1110                         bv->haveSelection(cur.selection());
1111
1112                 bv->switchKeyMap();
1113                 bv->owner()->updateMenubar();
1114                 bv->owner()->updateToolbars();
1115                 break;
1116         }
1117
1118         case LFUN_SELFINSERT: {
1119                 if (cmd.argument.empty())
1120                         break;
1121
1122                 // Automatically delete the currently selected
1123                 // text and replace it with what is being
1124                 // typed in now. Depends on lyxrc settings
1125                 // "auto_region_delete", which defaults to
1126                 // true (on).
1127
1128                 if (lyxrc.auto_region_delete) {
1129                         if (cur.selection())
1130                                 cutSelection(cur, false, false);
1131                         bv->haveSelection(false);
1132                 }
1133
1134                 cur.clearSelection();
1135                 LyXFont const old_font = real_current_font;
1136
1137                 // Prevents language turds in new lyxtexts under non-english
1138                 BufferParams const & bufparams = cur.buffer().params();
1139                 Language const * lang = cur.paragraph().getParLanguage(bufparams);
1140                 current_font.setLanguage(lang);
1141                 real_current_font.setLanguage(lang);
1142
1143                 string::const_iterator cit = cmd.argument.begin();
1144                 string::const_iterator end = cmd.argument.end();
1145                 for (; cit != end; ++cit)
1146                         bv->owner()->getIntl().getTransManager().
1147                                 TranslateAndInsert(*cit, this);
1148
1149                 cur.resetAnchor();
1150                 moveCursor(cur, false);
1151                 bv->updateScrollbar();
1152                 break;
1153         }
1154
1155         case LFUN_URL: {
1156                 InsetCommandParams p("url");
1157                 string const data = InsetCommandMailer::params2string("url", p);
1158                 bv->owner()->getDialogs().show("url", data, 0);
1159                 break;
1160         }
1161
1162         case LFUN_HTMLURL: {
1163                 InsetCommandParams p("htmlurl");
1164                 string const data = InsetCommandMailer::params2string("url", p);
1165                 bv->owner()->getDialogs().show("url", data, 0);
1166                 break;
1167         }
1168
1169         case LFUN_INSERT_LABEL: {
1170                 // Try to generate a valid label
1171                 string const contents = cmd.argument.empty() ?
1172                         cur.getPossibleLabel() : cmd.argument;
1173
1174                 InsetCommandParams p("label", contents);
1175                 string const data = InsetCommandMailer::params2string("label", p);
1176
1177                 if (cmd.argument.empty()) {
1178                         bv->owner()->getDialogs().show("label", data, 0);
1179                 } else {
1180                         FuncRequest fr(LFUN_INSET_INSERT, data);
1181                         dispatch(cur, fr);
1182                 }
1183                 break;
1184         }
1185
1186
1187 #if 0
1188         case LFUN_INSET_LIST:
1189         case LFUN_INSET_THEOREM:
1190         case LFUN_INSET_CAPTION:
1191 #endif
1192         case LFUN_INSERT_NOTE:
1193         case LFUN_INSERT_CHARSTYLE:
1194         case LFUN_INSERT_BOX:
1195         case LFUN_INSERT_BRANCH:
1196         case LFUN_INSERT_BIBITEM:
1197         case LFUN_INSET_ERT:
1198         case LFUN_INSET_FOOTNOTE:
1199         case LFUN_INSET_MARGINAL:
1200         case LFUN_INSET_OPTARG:
1201         case LFUN_ENVIRONMENT_INSERT:
1202                 // Open the inset, and move the current selection
1203                 // inside it.
1204                 doInsertInset(cur, this, cmd, true, true);
1205                 cur.posRight();
1206                 break;
1207
1208         case LFUN_TABULAR_INSERT:
1209                 // if there were no arguments, just open the dialog
1210                 if (doInsertInset(cur, this, cmd, false, true))
1211                         cur.posRight();
1212                 else
1213                         bv->owner()->getDialogs().show("tabularcreate");
1214
1215                 break;
1216
1217         case LFUN_INSET_FLOAT:
1218         case LFUN_INSET_WIDE_FLOAT:
1219         case LFUN_INSET_WRAP:
1220                 doInsertInset(cur, this, cmd, true, true);
1221                 cur.posRight();
1222                 // FIXME: the "Caption" name should not be hardcoded,
1223                 // but given by the float definition.
1224                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1225                 break;
1226
1227         case LFUN_INDEX_INSERT:
1228                 // Just open the inset
1229                 doInsertInset(cur, this, cmd, true, false);
1230                 cur.posRight();
1231                 break;
1232
1233         case LFUN_INDEX_PRINT:
1234         case LFUN_TOC_INSERT:
1235         case LFUN_HFILL:
1236         case LFUN_INSERT_LINE:
1237         case LFUN_INSERT_PAGEBREAK:
1238                 // do nothing fancy
1239                 doInsertInset(cur, this, cmd, false, false);
1240                 cur.posRight();
1241                 break;
1242
1243         case LFUN_DEPTH_MIN:
1244                 changeDepth(cur, DEC_DEPTH);
1245                 break;
1246
1247         case LFUN_DEPTH_PLUS:
1248                 changeDepth(cur, INC_DEPTH);
1249                 break;
1250
1251         case LFUN_MATH_DISPLAY:
1252                 mathDispatch(cur, cmd, true);
1253                 break;
1254
1255         case LFUN_MATH_IMPORT_SELECTION:
1256         case LFUN_MATH_MODE:
1257                 if (cmd.argument == "on")
1258                         // don't pass "on" as argument
1259                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1260                 else
1261                         mathDispatch(cur, cmd, false);
1262                 break;
1263
1264         case LFUN_MATH_MACRO:
1265                 if (cmd.argument.empty())
1266                         cur.errorMessage(N_("Missing argument"));
1267                 else {
1268                         string s = cmd.argument;
1269                         string const s1 = token(s, ' ', 1);
1270                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1271                         string const s2 = token(s, ' ', 2);
1272                         string const type = s2.empty() ? "newcommand" : s2;
1273                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1274                         //cur.nextInset()->edit(cur, true);
1275                 }
1276                 break;
1277
1278         // passthrough hat and underscore outside mathed:
1279         case LFUN_SUBSCRIPT:
1280                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1281                 break;
1282         case LFUN_SUPERSCRIPT:
1283                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1284                 break;
1285
1286         case LFUN_INSERT_MATH:
1287         case LFUN_INSERT_MATRIX:
1288         case LFUN_MATH_DELIM: {
1289                 cur.insert(new MathHullInset("simple"));
1290                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1291                 cur.dispatch(cmd);
1292                 break;
1293         }
1294
1295         case LFUN_EMPH: {
1296                 LyXFont font(LyXFont::ALL_IGNORE);
1297                 font.setEmph(LyXFont::TOGGLE);
1298                 toggleAndShow(cur, this, font);
1299                 break;
1300         }
1301
1302         case LFUN_BOLD: {
1303                 LyXFont font(LyXFont::ALL_IGNORE);
1304                 font.setSeries(LyXFont::BOLD_SERIES);
1305                 toggleAndShow(cur, this, font);
1306                 break;
1307         }
1308
1309         case LFUN_NOUN: {
1310                 LyXFont font(LyXFont::ALL_IGNORE);
1311                 font.setNoun(LyXFont::TOGGLE);
1312                 toggleAndShow(cur, this, font);
1313                 break;
1314         }
1315
1316         case LFUN_CODE: {
1317                 LyXFont font(LyXFont::ALL_IGNORE);
1318                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1319                 toggleAndShow(cur, this, font);
1320                 break;
1321         }
1322
1323         case LFUN_SANS: {
1324                 LyXFont font(LyXFont::ALL_IGNORE);
1325                 font.setFamily(LyXFont::SANS_FAMILY);
1326                 toggleAndShow(cur, this, font);
1327                 break;
1328         }
1329
1330         case LFUN_ROMAN: {
1331                 LyXFont font(LyXFont::ALL_IGNORE);
1332                 font.setFamily(LyXFont::ROMAN_FAMILY);
1333                 toggleAndShow(cur, this, font);
1334                 break;
1335         }
1336
1337         case LFUN_DEFAULT: {
1338                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1339                 toggleAndShow(cur, this, font);
1340                 break;
1341         }
1342
1343         case LFUN_UNDERLINE: {
1344                 LyXFont font(LyXFont::ALL_IGNORE);
1345                 font.setUnderbar(LyXFont::TOGGLE);
1346                 toggleAndShow(cur, this, font);
1347                 break;
1348         }
1349
1350         case LFUN_FONT_SIZE: {
1351                 LyXFont font(LyXFont::ALL_IGNORE);
1352                 font.setLyXSize(cmd.argument);
1353                 toggleAndShow(cur, this, font);
1354                 break;
1355         }
1356
1357         case LFUN_LANGUAGE: {
1358                 Language const * lang = languages.getLanguage(cmd.argument);
1359                 if (!lang)
1360                         break;
1361                 LyXFont font(LyXFont::ALL_IGNORE);
1362                 font.setLanguage(lang);
1363                 toggleAndShow(cur, this, font);
1364                 bv->switchKeyMap();
1365                 break;
1366         }
1367
1368         case LFUN_FREEFONT_APPLY:
1369                 toggleAndShow(cur, this, freefont, toggleall);
1370                 cur.message(_("Character set"));
1371                 break;
1372
1373         // Set the freefont using the contents of \param data dispatched from
1374         // the frontends and apply it at the current cursor location.
1375         case LFUN_FREEFONT_UPDATE: {
1376                 LyXFont font;
1377                 bool toggle;
1378                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1379                         freefont = font;
1380                         toggleall = toggle;
1381                         toggleAndShow(cur, this, freefont, toggleall);
1382                         cur.message(_("Character set"));
1383                 }
1384                 break;
1385         }
1386
1387         case LFUN_FINISHED_LEFT:
1388                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1389                 break;
1390
1391         case LFUN_FINISHED_RIGHT:
1392                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1393                 ++cur.pos();
1394                 break;
1395
1396         case LFUN_FINISHED_UP:
1397                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1398                 cursorUp(cur);
1399                 break;
1400
1401         case LFUN_FINISHED_DOWN:
1402                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1403                 cursorDown(cur);
1404                 break;
1405
1406         case LFUN_LAYOUT_PARAGRAPH: {
1407                 string data;
1408                 params2string(cur.paragraph(), data);
1409                 data = "show\n" + data;
1410                 bv->owner()->getDialogs().show("paragraph", data);
1411                 break;
1412         }
1413
1414         case LFUN_PARAGRAPH_UPDATE: {
1415                 if (!bv->owner()->getDialogs().visible("paragraph"))
1416                         break;
1417                 string data;
1418                 params2string(cur.paragraph(), data);
1419
1420                 // Will the paragraph accept changes from the dialog?
1421                 InsetBase & inset = cur.inset();
1422                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1423
1424                 data = "update " + convert<string>(accept) + '\n' + data;
1425                 bv->owner()->getDialogs().update("paragraph", data);
1426                 break;
1427         }
1428
1429         case LFUN_UMLAUT:
1430         case LFUN_CIRCUMFLEX:
1431         case LFUN_GRAVE:
1432         case LFUN_ACUTE:
1433         case LFUN_TILDE:
1434         case LFUN_CEDILLA:
1435         case LFUN_MACRON:
1436         case LFUN_DOT:
1437         case LFUN_UNDERDOT:
1438         case LFUN_UNDERBAR:
1439         case LFUN_CARON:
1440         case LFUN_SPECIAL_CARON:
1441         case LFUN_BREVE:
1442         case LFUN_TIE:
1443         case LFUN_HUNG_UMLAUT:
1444         case LFUN_CIRCLE:
1445         case LFUN_OGONEK:
1446                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1447                 if (!cmd.argument.empty())
1448                         bv->owner()->getIntl().getTransManager()
1449                                 .TranslateAndInsert(cmd.argument[0], this);
1450                 break;
1451
1452         case LFUN_FLOAT_LIST: {
1453                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1454                 if (tclass.floats().typeExist(cmd.argument)) {
1455                         // not quite sure if we want this...
1456                         recordUndo(cur);
1457                         cur.clearSelection();
1458                         breakParagraph(cur);
1459
1460                         if (cur.lastpos() != 0) {
1461                                 cursorLeft(cur);
1462                                 breakParagraph(cur);
1463                         }
1464
1465                         setLayout(cur, tclass.defaultLayoutName());
1466                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1467                         insertInset(cur, new InsetFloatList(cmd.argument));
1468                         cur.posRight();
1469                 } else {
1470                         lyxerr << "Non-existent float type: "
1471                                << cmd.argument << endl;
1472                 }
1473                 break;
1474         }
1475
1476         case LFUN_ACCEPT_CHANGE: {
1477                 acceptChange(cur);
1478                 break;
1479         }
1480
1481         case LFUN_REJECT_CHANGE: {
1482                 rejectChange(cur);
1483                 break;
1484         }
1485
1486         case LFUN_THESAURUS_ENTRY: {
1487                 string arg = cmd.argument;
1488                 if (arg.empty()) {
1489                         arg = cur.selectionAsString(false);
1490                         // FIXME
1491                         if (arg.size() > 100 || arg.empty()) {
1492                                 // Get word or selection
1493                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1494                                 arg = cur.selectionAsString(false);
1495                         }
1496                 }
1497                 bv->owner()->getDialogs().show("thesaurus", arg);
1498                 break;
1499         }
1500
1501         case LFUN_PARAGRAPH_APPLY: {
1502                 // Given data, an encoding of the ParagraphParameters
1503                 // generated in the Paragraph dialog, this function sets
1504                 // the current paragraph appropriately.
1505                 istringstream is(cmd.argument);
1506                 LyXLex lex(0, 0);
1507                 lex.setStream(is);
1508                 ParagraphParameters params;
1509                 params.read(lex);
1510                 setParagraph(cur,
1511                                          params.spacing(),
1512                                          params.align(),
1513                                          params.labelWidthString(),
1514                                          params.noindent());
1515                 cur.message(_("Paragraph layout set"));
1516                 break;
1517         }
1518
1519         case LFUN_INSET_DIALOG_SHOW: {
1520                 InsetBase * inset = cur.nextInset();
1521                 if (inset) {
1522                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1523                         inset->dispatch(cur, fr);
1524                 }
1525                 break;
1526         }
1527
1528         case LFUN_ESCAPE:
1529                 if (cur.selection()) {
1530                         cur.selection() = false;
1531                 } else {
1532                         cur.undispatched();
1533                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1534                 }
1535                 break;
1536
1537         default:
1538                 lyxerr[Debug::ACTION]
1539                         << BOOST_CURRENT_FUNCTION
1540                         << ": Command " << cmd
1541                         << " not DISPATCHED by LyXText" << endl;
1542                 cur.undispatched();
1543                 break;
1544         }
1545
1546         if (singleParUpdate)
1547                 // Inserting characters does not change par height
1548                 if (cur.paragraph().dim().asc == olddim.asc
1549                  && cur.paragraph().dim().des == olddim.des) {
1550                         // if so, update _only_ this paragraph
1551                         cur.bv().update(Update::SinglePar | Update::Force);
1552                 } else
1553                         needsUpdate = true;
1554         if (!needsUpdate
1555             && &oldTopSlice.inset() == &cur.inset()
1556             && oldTopSlice.idx() == cur.idx()
1557             && !sel
1558             && !cur.selection())
1559                 cur.noUpdate();
1560         else
1561                 cur.needsUpdate();
1562 }
1563
1564
1565 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1566                         FuncStatus & flag) const
1567 {
1568         BOOST_ASSERT(cur.text() == this);
1569         LyXFont const & font = real_current_font;
1570         bool enable = true;
1571
1572         switch (cmd.action) {
1573
1574         case LFUN_DEPTH_MIN:
1575                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1576                 break;
1577
1578         case LFUN_DEPTH_PLUS:
1579                 enable = changeDepthAllowed(cur, INC_DEPTH);
1580                 break;
1581
1582         case LFUN_INSET_OPTARG:
1583                 enable = numberOfOptArgs(cur.paragraph())
1584                         < cur.paragraph().layout()->optionalargs;
1585                 break;
1586
1587         case LFUN_APPENDIX:
1588                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1589                 return true;
1590
1591         case LFUN_INSERT_BIBITEM:
1592                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1593                 break;
1594
1595 #if 0
1596         // the functions which insert insets
1597         InsetBase::Code code = InsetBase::NO_CODE;
1598         switch (cmd.action) {
1599         case LFUN_DIALOG_SHOW_NEW_INSET:
1600                 if (cmd.argument == "bibitem")
1601                         code = InsetBase::BIBITEM_CODE;
1602                 else if (cmd.argument == "bibtex")
1603                         code = InsetBase::BIBTEX_CODE;
1604                 else if (cmd.argument == "box")
1605                         code = InsetBase::BOX_CODE;
1606                 else if (cmd.argument == "branch")
1607                         code = InsetBase::BRANCH_CODE;
1608                 else if (cmd.argument == "citation")
1609                         code = InsetBase::CITE_CODE;
1610                 else if (cmd.argument == "ert")
1611                         code = InsetBase::ERT_CODE;
1612                 else if (cmd.argument == "external")
1613                         code = InsetBase::EXTERNAL_CODE;
1614                 else if (cmd.argument == "float")
1615                         code = InsetBase::FLOAT_CODE;
1616                 else if (cmd.argument == "graphics")
1617                         code = InsetBase::GRAPHICS_CODE;
1618                 else if (cmd.argument == "include")
1619                         code = InsetBase::INCLUDE_CODE;
1620                 else if (cmd.argument == "index")
1621                         code = InsetBase::INDEX_CODE;
1622                 else if (cmd.argument == "label")
1623                         code = InsetBase::LABEL_CODE;
1624                 else if (cmd.argument == "note")
1625                         code = InsetBase::NOTE_CODE;
1626                 else if (cmd.argument == "ref")
1627                         code = InsetBase::REF_CODE;
1628                 else if (cmd.argument == "toc")
1629                         code = InsetBase::TOC_CODE;
1630                 else if (cmd.argument == "url")
1631                         code = InsetBase::URL_CODE;
1632                 else if (cmd.argument == "vspace")
1633                         code = InsetBase::VSPACE_CODE;
1634                 else if (cmd.argument == "wrap")
1635                         code = InsetBase::WRAP_CODE;
1636                 break;
1637
1638         case LFUN_INSET_ERT:
1639                 code = InsetBase::ERT_CODE;
1640                 break;
1641         case LFUN_INSET_FOOTNOTE:
1642                 code = InsetBase::FOOT_CODE;
1643                 break;
1644         case LFUN_TABULAR_INSERT:
1645                 code = InsetBase::TABULAR_CODE;
1646                 break;
1647         case LFUN_INSET_MARGINAL:
1648                 code = InsetBase::MARGIN_CODE;
1649                 break;
1650         case LFUN_INSET_FLOAT:
1651         case LFUN_INSET_WIDE_FLOAT:
1652                 code = InsetBase::FLOAT_CODE;
1653                 break;
1654         case LFUN_INSET_WRAP:
1655                 code = InsetBase::WRAP_CODE;
1656                 break;
1657         case LFUN_FLOAT_LIST:
1658                 code = InsetBase::FLOAT_LIST_CODE;
1659                 break;
1660 #if 0
1661         case LFUN_INSET_LIST:
1662                 code = InsetBase::LIST_CODE;
1663                 break;
1664         case LFUN_INSET_THEOREM:
1665                 code = InsetBase::THEOREM_CODE;
1666                 break;
1667 #endif
1668         case LFUN_INSET_CAPTION:
1669                 code = InsetBase::CAPTION_CODE;
1670                 break;
1671         case LFUN_INSERT_NOTE:
1672                 code = InsetBase::NOTE_CODE;
1673                 break;
1674         case LFUN_INSERT_CHARSTYLE:
1675                 code = InsetBase::CHARSTYLE_CODE;
1676                 if (buf->params().getLyXTextClass().charstyles().empty())
1677                         enable = false;
1678                 break;
1679         case LFUN_INSERT_BOX:
1680                 code = InsetBase::BOX_CODE;
1681                 break;
1682         case LFUN_INSERT_BRANCH:
1683                 code = InsetBase::BRANCH_CODE;
1684                 if (buf->params().branchlist().empty())
1685                         enable = false;
1686                 break;
1687         case LFUN_INSERT_LABEL:
1688                 code = InsetBase::LABEL_CODE;
1689                 break;
1690         case LFUN_INSET_OPTARG:
1691                 code = InsetBase::OPTARG_CODE;
1692                 break;
1693         case LFUN_ENVIRONMENT_INSERT:
1694                 code = InsetBase::BOX_CODE;
1695                 break;
1696         case LFUN_INDEX_INSERT:
1697                 code = InsetBase::INDEX_CODE;
1698                 break;
1699         case LFUN_INDEX_PRINT:
1700                 code = InsetBase::INDEX_PRINT_CODE;
1701                 break;
1702         case LFUN_TOC_INSERT:
1703                 code = InsetBase::TOC_CODE;
1704                 break;
1705         case LFUN_HTMLURL:
1706         case LFUN_URL:
1707                 code = InsetBase::URL_CODE;
1708                 break;
1709         case LFUN_QUOTE:
1710                 // always allow this, since we will inset a raw quote
1711                 // if an inset is not allowed.
1712                 break;
1713         case LFUN_HYPHENATION:
1714         case LFUN_LIGATURE_BREAK:
1715         case LFUN_HFILL:
1716         case LFUN_MENU_SEPARATOR:
1717         case LFUN_LDOTS:
1718         case LFUN_END_OF_SENTENCE:
1719                 code = InsetBase::SPECIALCHAR_CODE;
1720                 break;
1721         case LFUN_SPACE_INSERT:
1722                 // slight hack: we know this is allowed in math mode
1723                 if (cur.inTexted())
1724                         code = InsetBase::SPACE_CODE;
1725                 break;
1726         case LFUN_INSET_DIALOG_SHOW: {
1727                 InsetBase * inset = cur.nextInset();
1728                 enable = inset;
1729                 if (inset) {
1730                         code = inset->lyxCode();
1731                         if (!(code == InsetBase::INCLUDE_CODE
1732                                 || code == InsetBase::BIBTEX_CODE
1733                                 || code == InsetBase::FLOAT_LIST_CODE
1734                                 || code == InsetBase::TOC_CODE))
1735                                 enable = false;
1736                 }
1737                 break;
1738         }
1739         default:
1740                 break;
1741         }
1742
1743         if (code != InsetBase::NO_CODE
1744                         && (cur.empty() || !cur.inset().insetAllowed(code)))
1745                 enable = false;
1746
1747 #endif
1748
1749         case LFUN_DIALOG_SHOW_NEW_INSET:
1750         case LFUN_INSET_ERT:
1751         case LFUN_INSERT_BOX:
1752         case LFUN_INSERT_BRANCH:
1753         case LFUN_ENVIRONMENT_INSERT:
1754         case LFUN_INDEX_INSERT:
1755         case LFUN_INDEX_PRINT:
1756         case LFUN_TOC_INSERT:
1757         case LFUN_HTMLURL:
1758         case LFUN_URL:
1759         case LFUN_QUOTE:
1760         case LFUN_HYPHENATION:
1761         case LFUN_LIGATURE_BREAK:
1762         case LFUN_HFILL:
1763         case LFUN_MENU_SEPARATOR:
1764         case LFUN_LDOTS:
1765         case LFUN_END_OF_SENTENCE:
1766         case LFUN_SPACE_INSERT:
1767         case LFUN_INSET_DIALOG_SHOW:
1768                 break;
1769
1770         case LFUN_INSET_MODIFY:
1771                 // We need to disable this, because we may get called for a
1772                 // tabular cell via
1773                 // InsetTabular::getStatus() -> InsetText::getStatus()
1774                 // and we don't handle LFUN_INSET_MODIFY.
1775                 enable = false;
1776                 break;
1777
1778         case LFUN_EMPH:
1779                 flag.setOnOff(font.emph() == LyXFont::ON);
1780                 return true;
1781
1782         case LFUN_NOUN:
1783                 flag.setOnOff(font.noun() == LyXFont::ON);
1784                 return true;
1785
1786         case LFUN_BOLD:
1787                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1788                 return true;
1789
1790         case LFUN_SANS:
1791                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1792                 return true;
1793
1794         case LFUN_ROMAN:
1795                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1796                 return true;
1797
1798         case LFUN_CODE:
1799                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1800                 return true;
1801
1802         case LFUN_DELETE_WORD_FORWARD:
1803         case LFUN_DELETE_WORD_BACKWARD:
1804         case LFUN_DELETE_LINE_FORWARD:
1805         case LFUN_WORDRIGHT:
1806         case LFUN_WORDLEFT:
1807         case LFUN_RIGHT:
1808         case LFUN_RIGHTSEL:
1809         case LFUN_LEFT:
1810         case LFUN_LEFTSEL:
1811         case LFUN_UP:
1812         case LFUN_UPSEL:
1813         case LFUN_DOWN:
1814         case LFUN_DOWNSEL:
1815         case LFUN_UP_PARAGRAPHSEL:
1816         case LFUN_DOWN_PARAGRAPHSEL:
1817         case LFUN_PRIORSEL:
1818         case LFUN_NEXTSEL:
1819         case LFUN_HOMESEL:
1820         case LFUN_ENDSEL:
1821         case LFUN_WORDRIGHTSEL:
1822         case LFUN_WORDLEFTSEL:
1823         case LFUN_WORDSEL:
1824         case LFUN_UP_PARAGRAPH:
1825         case LFUN_DOWN_PARAGRAPH:
1826         case LFUN_PRIOR:
1827         case LFUN_NEXT:
1828         case LFUN_HOME:
1829         case LFUN_END:
1830         case LFUN_BREAKLINE:
1831         case LFUN_DELETE:
1832         case LFUN_DELETE_SKIP:
1833         case LFUN_BACKSPACE:
1834         case LFUN_BACKSPACE_SKIP:
1835         case LFUN_BREAKPARAGRAPH:
1836         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1837         case LFUN_BREAKPARAGRAPH_SKIP:
1838         case LFUN_PARAGRAPH_SPACING:
1839         case LFUN_INSET_INSERT:
1840         case LFUN_NEXT_INSET_TOGGLE:
1841         case LFUN_UPCASE_WORD:
1842         case LFUN_LOWCASE_WORD:
1843         case LFUN_CAPITALIZE_WORD:
1844         case LFUN_TRANSPOSE_CHARS:
1845         case LFUN_PASTE:
1846         case LFUN_CUT:
1847         case LFUN_COPY:
1848         case LFUN_GETXY:
1849         case LFUN_SETXY:
1850         case LFUN_GETFONT:
1851         case LFUN_GETLAYOUT:
1852         case LFUN_LAYOUT:
1853         case LFUN_PASTESELECTION:
1854         case LFUN_DATE_INSERT:
1855         case LFUN_SELFINSERT:
1856         case LFUN_INSERT_LABEL:
1857         case LFUN_INSERT_NOTE:
1858         case LFUN_INSERT_CHARSTYLE:
1859         case LFUN_INSET_FLOAT:
1860         case LFUN_INSET_FOOTNOTE:
1861         case LFUN_INSET_MARGINAL:
1862         case LFUN_INSET_WIDE_FLOAT:
1863         case LFUN_INSET_WRAP:
1864         case LFUN_TABULAR_INSERT:
1865         case LFUN_INSERT_LINE:
1866         case LFUN_INSERT_PAGEBREAK:
1867         case LFUN_MATH_DISPLAY:
1868         case LFUN_MATH_IMPORT_SELECTION:
1869         case LFUN_MATH_MODE:
1870         case LFUN_MATH_MACRO:
1871         case LFUN_INSERT_MATH:
1872         case LFUN_INSERT_MATRIX:
1873         case LFUN_MATH_DELIM:
1874         case LFUN_SUBSCRIPT:
1875         case LFUN_SUPERSCRIPT:
1876         case LFUN_DEFAULT:
1877         case LFUN_UNDERLINE:
1878         case LFUN_FONT_SIZE:
1879         case LFUN_LANGUAGE:
1880         case LFUN_FREEFONT_APPLY:
1881         case LFUN_FREEFONT_UPDATE:
1882         case LFUN_LAYOUT_PARAGRAPH:
1883         case LFUN_PARAGRAPH_UPDATE:
1884         case LFUN_UMLAUT:
1885         case LFUN_CIRCUMFLEX:
1886         case LFUN_GRAVE:
1887         case LFUN_ACUTE:
1888         case LFUN_TILDE:
1889         case LFUN_CEDILLA:
1890         case LFUN_MACRON:
1891         case LFUN_DOT:
1892         case LFUN_UNDERDOT:
1893         case LFUN_UNDERBAR:
1894         case LFUN_CARON:
1895         case LFUN_SPECIAL_CARON:
1896         case LFUN_BREVE:
1897         case LFUN_TIE:
1898         case LFUN_HUNG_UMLAUT:
1899         case LFUN_CIRCLE:
1900         case LFUN_OGONEK:
1901         case LFUN_FLOAT_LIST:
1902         case LFUN_ACCEPT_CHANGE:
1903         case LFUN_REJECT_CHANGE:
1904         case LFUN_THESAURUS_ENTRY:
1905         case LFUN_PARAGRAPH_APPLY:
1906         case LFUN_ESCAPE:
1907         case LFUN_KEYMAP_TOGGLE:
1908         case LFUN_ENDBUF:
1909         case LFUN_BEGINNINGBUF:
1910         case LFUN_BEGINNINGBUFSEL:
1911         case LFUN_ENDBUFSEL:
1912                 // these are handled in our dispatch()
1913                 enable = true;
1914                 break;
1915
1916         default:
1917                 return false;
1918         }
1919         flag.enabled(enable);
1920         return true;
1921 }