src/lyxfunc.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "lyxfunc.h"
  18 #include "version.h"
  19 #include "kbmap.h"
  20 #include "lyxrow.h"
  21 #include "bufferlist.h"
  22 #include "BufferView.h"
  23 #include "lyxserver.h"
  24 #include "intl.h"
  25 #include "lyx_main.h"
  26 #include "lyx_cb.h"
  27 #include "LyXAction.h"
  28 #include "debug.h"
  29 #include "lyxrc.h"
  30 #include "lyxtext.h"
  31 #include "gettext.h"
  32 #include "Lsstream.h"
  33 #include "trans_mgr.h"
  34 #include "layout.h"
  35 #include "bufferview_funcs.h"
  36 #include "frontends/LyXView.h"
  37 #include "frontends/lyx_gui.h"
  38 #include "vspace.h"
  39 #include "FloatList.h"
  40 #include "converter.h"
  41 #include "exporter.h"
  42 #include "importer.h"
  43 #include "TextCache.h"
  44 #include "lyxfind.h"
  45 #include "undo_funcs.h"
  46 #include "ParagraphParameters.h"
  47
  48 #include "insets/inseturl.h"
  49 #include "insets/insetlatexaccent.h"
  50 #include "insets/insettoc.h"
  51 #include "insets/insetref.h"
  52 #include "insets/insetparent.h"
  53 #include "insets/insetindex.h"
  54 #include "insets/insetinclude.h"
  55 #include "insets/insetbib.h"
  56 #include "insets/insetcite.h"
  57 #include "insets/insettext.h"
  58 #include "insets/insetert.h"
  59 #include "insets/insetexternal.h"
  60 #include "insets/insetgraphics.h"
  61 #include "insets/insetfoot.h"
  62 #include "insets/insetmarginal.h"
  63 #include "insets/insetminipage.h"
  64 #include "insets/insetfloat.h"
  65 #if 0
  66 #include "insets/insetlist.h"
  67 #include "insets/insettheorem.h"
  68 #endif
  69 #include "insets/insettabular.h"
  70 #include "insets/insetcaption.h"
  71
  72 #include "mathed/formulamacro.h"
  73 #include "mathed/math_cursor.h"
  74 #include "mathed/math_inset.h"
  75
  76 #include "frontends/FileDialog.h"
  77 #include "frontends/Dialogs.h"
  78 #include "frontends/Toolbar.h"
  79 #include "frontends/Menubar.h"
  80 #include "frontends/Alert.h"
  81
  82 #include "graphics/GraphicsCache.h"
  83
  84 #include "support/lyxalgo.h"
  85 #include "support/LAssert.h"
  86 #include "support/filetools.h"
  87 #include "support/FileInfo.h"
  88 #include "support/forkedcontr.h"
  89 #include "support/lstrings.h"
  90 #include "support/path.h"
  91 #include "support/lyxfunctional.h"
  92
  93 #include <ctime>
  94 #include <clocale>
  95 #include <cstdlib>
  96 #include <cctype>
  97
  98 #include <utility>
  99 #include <algorithm>
 100
 101 using std::pair;
 102 using std::make_pair;
 103 using std::endl;
 104 using std::find_if;
 105 using std::vector;
 106 using std::transform;
 107 using std::back_inserter;
 108
 109 extern BufferList bufferlist;
 110 extern LyXServer * lyxserver;
 111 extern bool selection_possible;
 112
 113 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 114
 115 // (alkis)
 116 extern tex_accent_struct get_accent(kb_action action);
 117
 118 extern void ShowLatexLog();
 119
 120
 121 LyXFunc::LyXFunc(LyXView * o)
 122         : owner(o),
 123         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 124         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get())
 125 {
 126         meta_fake_bit = key_modifier::none;
 127         lyx_dead_action = LFUN_NOACTION;
 128         lyx_calling_dead_action = LFUN_NOACTION;
 129 }
 130
 131
 132 inline
 133 LyXText * LyXFunc::TEXT(bool flag = true) const
 134 {
 135         if (flag)
 136                 return view()->text;
 137         return view()->getLyXText();
 138 }
 139
 140
 141 inline
 142 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 143 {
 144         if (selecting || TEXT(flag)->selection.mark()) {
 145                 TEXT(flag)->setSelection(view());
 146                 if (TEXT(flag)->bv_owner)
 147                     view()->toggleToggle();
 148         }
 149         view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 150         view()->showCursor();
 151
 152         view()->switchKeyMap();
 153 }
 154
 155
 156 void LyXFunc::handleKeyFunc(kb_action action)
 157 {
 158         char c = keyseq.getLastKeyEncoded();
 159
 160         if (keyseq.length() > 1) {
 161                 c = 0;
 162         }
 163
 164         owner->getIntl().getTransManager()
 165                 .deadkey(c, get_accent(action).accent, TEXT(false));
 166         // Need to clear, in case the minibuffer calls these
 167         // actions
 168         keyseq.clear();
 169         // copied verbatim from do_accent_char
 170         view()->update(TEXT(false),
 171                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 172         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 173 }
 174
 175
 176 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 177                             key_modifier::state state)
 178 {
 179         string argument;
 180
 181         if (lyxerr.debugging(Debug::KEY)) {
 182                 lyxerr << "KeySym is "
 183                        << keysym->getSymbolName()
 184                        << endl;
 185         }
 186         // Do nothing if we have nothing (JMarc)
 187         if (!keysym->isOK()) {
 188                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 189                                    << endl;
 190                 return;
 191         }
 192
 193         if (keysym->isModifier()) {
 194                 return;
 195         }
 196
 197         // Do a one-deep top-level lookup for
 198         // cancel and meta-fake keys. RVDK_PATCH_5
 199         cancel_meta_seq.reset();
 200
 201         int action = cancel_meta_seq.addkey(keysym, state);
 202         if (lyxerr.debugging(Debug::KEY)) {
 203                 lyxerr << "action first set to [" << action << "]" << endl;
 204         }
 205
 206         // When not cancel or meta-fake, do the normal lookup.
 207         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 208         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 209         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 210                 // remove Caps Lock and Mod2 as a modifiers
 211                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 212                 lyxerr[Debug::KEY] << "action now set to ["
 213                         << action << "]" << endl;
 214         }
 215
 216         // Dont remove this unless you know what you are doing.
 217         meta_fake_bit = key_modifier::none;
 218
 219         // can this happen now ?
 220         if (action == LFUN_NOACTION) {
 221                 action = LFUN_PREFIX;
 222         }
 223
 224         if (lyxerr.debugging(Debug::KEY)) {
 225                 lyxerr << "Key [action="
 226                        << action << "]["
 227                        << keyseq.print() << "]"
 228                        << endl;
 229         }
 230
 231         // already here we know if it any point in going further
 232         // why not return already here if action == -1 and
 233         // num_bytes == 0? (Lgb)
 234
 235         if (keyseq.length() > 1) {
 236                 owner->message(keyseq.print());
 237         }
 238
 239         if (action == LFUN_UNKNOWN_ACTION) {
 240                 // It is unknown, but what if we remove all
 241                 // the modifiers? (Lgb)
 242                 action = keyseq.addkey(keysym, key_modifier::none);
 243
 244                 lyxerr[Debug::KEY] << "Removing modifiers...\n"
 245                         << "Action now set to ["
 246                         << action << "]" << endl;
 247
 248                 if (action == LFUN_UNKNOWN_ACTION) {
 249                         owner->message(_("Unknown function."));
 250                         return;
 251                 }
 252         }
 253
 254         if (action == LFUN_SELFINSERT) {
 255                 char c = keysym->getISOEncoded();
 256                 string argument;
 257
 258                 if (c != 0)
 259                         argument = c;
 260
 261                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, argument));
 262                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 263                                    << argument << "']" << endl;
 264         } else {
 265                 dispatch(action);
 266         }
 267 }
 268
 269
 270 FuncStatus LyXFunc::getStatus(int ac) const
 271 {
 272         return getStatus(lyxaction.retrieveActionArg(ac));
 273 }
 274
 275
 276 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 277 {
 278         FuncStatus flag;
 279         Buffer * buf = owner->buffer();
 280
 281         if (ev.action == LFUN_NOACTION) {
 282                 setStatusMessage(N_("Nothing to do"));
 283                 return flag.disabled(true);
 284         }
 285
 286         if (ev.action == LFUN_UNKNOWN_ACTION) {
 287                 setStatusMessage(N_("Unknown action"));
 288                 return flag.unknown(true);
 289         }
 290
 291         // the default error message if we disable the command
 292         setStatusMessage(N_("Command disabled"));
 293
 294         // Check whether we need a buffer
 295         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 296                 // Yes we need a buffer, do we have one?
 297                 if (buf) {
 298                         // yes
 299                         // Can we use a readonly buffer?
 300                         if (buf->isReadonly() &&
 301                             !lyxaction.funcHasFlag(ev.action,
 302                                                    LyXAction::ReadOnly)) {
 303                                 // no
 304                                 setStatusMessage(N_("Document is read-only"));
 305                                 flag.disabled(true);
 306                         }
 307                 } else {
 308                         // no
 309                         setStatusMessage(N_("Command not allowed with"
 310                                            "out any document open"));
 311                         return flag.disabled(true);
 312                 }
 313         }
 314
 315         UpdatableInset * tli = view()->theLockingInset();
 316
 317         // I would really like to avoid having this switch and rather try to
 318         // encode this in the function itself.
 319         bool disable = false;
 320         switch (ev.action) {
 321         case LFUN_MENUPRINT:
 322                 disable = !Exporter::IsExportable(buf, "dvi")
 323                         || lyxrc.print_command == "none";
 324                 break;
 325         case LFUN_EXPORT:
 326                 disable = ev.argument == "fax" &&
 327                         !Exporter::IsExportable(buf, ev.argument);
 328                 break;
 329         case LFUN_UNDO:
 330                 disable = buf->undostack.empty();
 331                 break;
 332         case LFUN_REDO:
 333                 disable = buf->redostack.empty();
 334                 break;
 335         case LFUN_CUT:
 336         case LFUN_COPY:
 337                 disable = !mathcursor && !view()->getLyXText()->selection.set();
 338                 break;
 339 #ifndef HAVE_LIBAIKSAURUS
 340         case LFUN_THESAURUS_ENTRY:
 341                 disable = true;
 342                 break;
 343 #endif
 344         case LFUN_RUNCHKTEX:
 345                 disable = lyxrc.chktex_command == "none";
 346                 break;
 347         case LFUN_BUILDPROG:
 348                 disable = !Exporter::IsExportable(buf, "program");
 349                 break;
 350
 351         case LFUN_LAYOUT_CHARACTER:
 352                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 353                 break;
 354
 355         case LFUN_LAYOUT_TABULAR:
 356                 disable = !tli
 357                         || (tli->lyxCode() != Inset::TABULAR_CODE
 358                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 359                 break;
 360
 361         case LFUN_LAYOUT:
 362         case LFUN_LAYOUT_PARAGRAPH: {
 363                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 364                 disable = inset && inset->forceDefaultParagraphs(inset);
 365                 break;
 366         }
 367
 368         case LFUN_INSET_OPTARG:
 369                 disable = (TEXT(false)->cursor.par()->layout()->optionalargs == 0);
 370                 break;
 371
 372         case LFUN_TABULAR_FEATURE:
 373                 if (mathcursor) {
 374 #if 0
 375                         // FIXME: check temporarily disabled
 376                         // valign code
 377                         char align = mathcursor->valign();
 378                         if (align == '\0') {
 379                                 disable = true;
 380                                 break;
 381                         }
 382                         if (ev.argument.empty()) {
 383                                 flag.clear();
 384                                 break;
 385                         }
 386                         if (!contains("tcb", ev.argument[0])) {
 387                                 disable = true;
 388                                 break;
 389                         }
 390                         flag.setOnOff(ev.argument[0] == align);
 391                 } else
 392                         disable = true;
 393
 394                         char align = mathcursor->halign();
 395                         if (align == '\0') {
 396                                 disable = true;
 397                                 break;
 398                         }
 399                         if (ev.argument.empty()) {
 400                                 flag.clear();
 401                                 break;
 402                         }
 403                         if (!contains("lcr", ev.argument[0])) {
 404                                 disable = true;
 405                                 break;
 406                         }
 407                         flag.setOnOff(ev.argument[0] == align);
 408 #endif
 409
 410                         disable = !mathcursor->halign();
 411                         break;
 412                 }
 413
 414                 if (tli) {
 415                         FuncStatus ret;
 416                         //ret.disabled(true);
 417                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 418                                 ret = static_cast<InsetTabular *>(tli)
 419                                         ->getStatus(ev.argument);
 420                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 421                                 ret = static_cast<InsetTabular *>
 422                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 423                                         ->getStatus(ev.argument);
 424                         }
 425                         flag |= ret;
 426                         disable = false;
 427                 } else {
 428                         static InsetTabular inset(*owner->buffer(), 1, 1);
 429                         FuncStatus ret;
 430
 431                         disable = true;
 432                         ret = inset.getStatus(ev.argument);
 433                         if (ret.onoff(true) || ret.onoff(false))
 434                                 flag.setOnOff(false);
 435                 }
 436                 break;
 437
 438         case LFUN_VC_REGISTER:
 439                 disable = buf->lyxvc.inUse();
 440                 break;
 441         case LFUN_VC_CHECKIN:
 442                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 443                 break;
 444         case LFUN_VC_CHECKOUT:
 445                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 446                 break;
 447         case LFUN_VC_REVERT:
 448         case LFUN_VC_UNDO:
 449         case LFUN_VC_HISTORY:
 450                 disable = !buf->lyxvc.inUse();
 451                 break;
 452         case LFUN_BOOKMARK_GOTO:
 453                 disable =  !view()->
 454                         isSavedPosition(strToUnsignedInt(ev.argument));
 455                 break;
 456         case LFUN_INSET_TOGGLE: {
 457                 LyXText * lt = view()->getLyXText();
 458                 disable = !(isEditableInset(lt->getInset())
 459                             || (lt->inset_owner
 460                                 && lt->inset_owner->owner()
 461                                 && lt->inset_owner->owner()->isOpen()));
 462                 break;
 463         }
 464         case LFUN_LATEX_LOG:
 465                 disable = !IsFileReadable(buf->getLogName().second);
 466                 break;
 467
 468         case LFUN_MATH_MUTATE:
 469                 if (mathcursor)
 470                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 471                         flag.setOnOff(false);
 472                 else
 473                         disable = true;
 474                 break;
 475
 476         // we just need to be in math mode to enable that
 477         case LFUN_MATH_SIZE:
 478         case LFUN_MATH_SPACE:
 479         case LFUN_MATH_LIMITS:
 480         case LFUN_MATH_NONUMBER:
 481         case LFUN_MATH_NUMBER:
 482         case LFUN_MATH_EXTERN:
 483                 disable = !mathcursor;
 484                 break;
 485
 486         default:
 487                 break;
 488         }
 489
 490         // the functions which insert insets
 491         Inset::Code code = Inset::NO_CODE;
 492         switch (ev.action) {
 493         case LFUN_INSET_ERT:
 494                 code = Inset::ERT_CODE;
 495                 break;
 496         case LFUN_INSET_GRAPHICS:
 497                 code = Inset::GRAPHICS_CODE;
 498                 break;
 499         case LFUN_INSET_FOOTNOTE:
 500                 code = Inset::FOOT_CODE;
 501                 break;
 502         case LFUN_TABULAR_INSERT:
 503                 code = Inset::TABULAR_CODE;
 504                 break;
 505         case LFUN_INSET_EXTERNAL:
 506                 code = Inset::EXTERNAL_CODE;
 507                 break;
 508         case LFUN_INSET_MARGINAL:
 509                 code = Inset::MARGIN_CODE;
 510                 break;
 511         case LFUN_INSET_MINIPAGE:
 512                 code = Inset::MINIPAGE_CODE;
 513                 break;
 514         case LFUN_INSET_FLOAT:
 515         case LFUN_INSET_WIDE_FLOAT:
 516                 code = Inset::FLOAT_CODE;
 517                 break;
 518         case LFUN_FLOAT_LIST:
 519                 code = Inset::FLOAT_LIST_CODE;
 520                 break;
 521 #if 0
 522         case LFUN_INSET_LIST:
 523                 code = Inset::LIST_CODE;
 524                 break;
 525         case LFUN_INSET_THEOREM:
 526                 code = Inset::THEOREM_CODE;
 527                 break;
 528 #endif
 529         case LFUN_INSET_CAPTION:
 530                 code = Inset::CAPTION_CODE;
 531                 break;
 532         case LFUN_INSERT_NOTE:
 533                 code = Inset::NOTE_CODE;
 534                 break;
 535         case LFUN_INSERT_LABEL:
 536                 code = Inset::LABEL_CODE;
 537                 break;
 538         case LFUN_INSET_OPTARG:
 539                 code = Inset::OPTARG_CODE;
 540                 break;
 541         case LFUN_REF_INSERT:
 542                 code = Inset::REF_CODE;
 543                 break;
 544         case LFUN_CITATION_CREATE:
 545         case LFUN_CITATION_INSERT:
 546                 code = Inset::CITE_CODE;
 547                 break;
 548         case LFUN_INSERT_BIBTEX:
 549                 code = Inset::BIBTEX_CODE;
 550                 break;
 551         case LFUN_INDEX_INSERT:
 552                 code = Inset::INDEX_CODE;
 553                 break;
 554         case LFUN_INDEX_PRINT:
 555                 code = Inset::INDEX_PRINT_CODE;
 556                 break;
 557         case LFUN_CHILD_INSERT:
 558                 code = Inset::INCLUDE_CODE;
 559                 break;
 560         case LFUN_TOC_INSERT:
 561                 code = Inset::TOC_CODE;
 562                 break;
 563         case LFUN_PARENTINSERT:
 564                 code = Inset::PARENT_CODE;
 565                 break;
 566         case LFUN_HTMLURL:
 567         case LFUN_URL:
 568         case LFUN_INSERT_URL:
 569                 code = Inset::URL_CODE;
 570                 break;
 571         case LFUN_QUOTE:
 572                 // always allow this, since we will inset a raw quote
 573                 // if an inset is not allowed.
 574                 break;
 575         case LFUN_HYPHENATION:
 576         case LFUN_LIGATURE_BREAK:
 577         case LFUN_HFILL:
 578         case LFUN_MENU_SEPARATOR:
 579         case LFUN_LDOTS:
 580         case LFUN_END_OF_SENTENCE:
 581                 code = Inset::SPECIALCHAR_CODE;
 582                 break;
 583         case LFUN_PROTECTEDSPACE:
 584                 // slight hack: we know this is allowed in math mode
 585                 if (!mathcursor)
 586                         code = Inset::SPECIALCHAR_CODE;
 587                 break;
 588         default:
 589                 break;
 590         }
 591         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code))
 592                 disable = true;
 593
 594         if (disable)
 595                 flag.disabled(true);
 596
 597         // A few general toggles
 598         switch (ev.action) {
 599         case LFUN_TOOLTIPS_TOGGLE:
 600                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 601                 break;
 602
 603         case LFUN_READ_ONLY_TOGGLE:
 604                 flag.setOnOff(buf->isReadonly());
 605                 break;
 606         case LFUN_APPENDIX:
 607                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 608                 break;
 609         case LFUN_SWITCHBUFFER:
 610                 // toggle on the current buffer, but do not toggle off
 611                 // the other ones (is that a good idea?)
 612                 if (ev.argument == buf->fileName())
 613                         flag.setOnOff(true);
 614                 break;
 615         default:
 616                 break;
 617         }
 618
 619         // the font related toggles
 620         if (!mathcursor) {
 621                 LyXFont const & font = TEXT(false)->real_current_font;
 622                 switch (ev.action) {
 623                 case LFUN_EMPH:
 624                         flag.setOnOff(font.emph() == LyXFont::ON);
 625                         break;
 626                 case LFUN_NOUN:
 627                         flag.setOnOff(font.noun() == LyXFont::ON);
 628                         break;
 629                 case LFUN_BOLD:
 630                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 631                         break;
 632                 case LFUN_SANS:
 633                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 634                         break;
 635                 case LFUN_ROMAN:
 636                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 637                         break;
 638                 case LFUN_CODE:
 639                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 640                         break;
 641                 default:
 642                         break;
 643                 }
 644         } else {
 645                 string tc = mathcursor->getLastCode();
 646                 switch (ev.action) {
 647                 case LFUN_BOLD:
 648                         flag.setOnOff(tc == "mathbf");
 649                         break;
 650                 case LFUN_SANS:
 651                         flag.setOnOff(tc == "mathsf");
 652                         break;
 653                 case LFUN_EMPH:
 654                         flag.setOnOff(tc == "mathcal");
 655                         break;
 656                 case LFUN_ROMAN:
 657                         flag.setOnOff(tc == "mathrm");
 658                         break;
 659                 case LFUN_CODE:
 660                         flag.setOnOff(tc == "mathtt");
 661                         break;
 662                 case LFUN_NOUN:
 663                         flag.setOnOff(tc == "mathbb");
 664                         break;
 665                 case LFUN_DEFAULT:
 666                         flag.setOnOff(tc == "mathnormal");
 667                         break;
 668                 default:
 669                         break;
 670                 }
 671         }
 672
 673         // this one is difficult to get right. As a half-baked
 674         // solution, we consider only the first action of the sequence
 675         if (ev.action == LFUN_SEQUENCE) {
 676                 // argument contains ';'-terminated commands
 677                 flag = getStatus(lyxaction.LookupFunc(token(ev.argument, ';', 0)));
 678         }
 679
 680         return flag;
 681 }
 682
 683
 684 void LyXFunc::dispatch(string const & s, bool verbose)
 685 {
 686         int const action = lyxaction.LookupFunc(s);
 687
 688         if (action == LFUN_UNKNOWN_ACTION) {
 689                 string const msg = string(_("Unknown function ("))
 690                         + s + ")";
 691                 owner->message(msg);
 692                 return;
 693         }
 694
 695         dispatch(action, verbose);
 696 }
 697
 698
 699 void LyXFunc::dispatch(int ac, bool verbose)
 700 {
 701         dispatch(lyxaction.retrieveActionArg(ac), verbose);
 702 }
 703
 704
 705
 706 void LyXFunc::dispatch(FuncRequest const & ev, bool verbose)
 707 {
 708         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << ev.action
 709                               <<"] arg[" << ev.argument << "]" << endl;
 710
 711         // we have not done anything wrong yet.
 712         errorstat = false;
 713         dispatch_buffer.erase();
 714
 715 #ifdef NEW_DISPATCHER
 716         // We try do call the most specific dispatcher first:
 717         //  1. the lockinginset's dispatch
 718         //  2. the bufferview's dispatch
 719         //  3. the lyxview's dispatch
 720 #endif
 721
 722         selection_possible = false;
 723
 724         if (view()->available())
 725                 view()->hideCursor();
 726
 727         string argument = ev.argument;
 728         kb_action action = ev.action;
 729
 730         // We cannot use this function here
 731         if (getStatus(ev).disabled()) {
 732                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 733                        << lyxaction.getActionName(action)
 734                        << " [" << action << "] is disabled at this location"
 735                        << endl;
 736                 setErrorMessage(getStatusMessage());
 737                 goto exit_with_message;
 738         }
 739
 740         if (view()->available() && view()->theLockingInset()) {
 741                 Inset::RESULT result;
 742                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 743                                      (!keyseq.deleted())))
 744                 {
 745                         UpdatableInset * inset = view()->theLockingInset();
 746 #if 1
 747                         int inset_x;
 748                         int dummy_y;
 749                         inset->getCursorPos(view(), inset_x, dummy_y);
 750 #endif
 751                         if ((action == LFUN_UNKNOWN_ACTION)
 752                             && argument.empty()) {
 753                                 argument = keyseq.getLastKeyEncoded();
 754                         }
 755                         // Undo/Redo is a bit tricky for insets.
 756                         if (action == LFUN_UNDO) {
 757                                 view()->menuUndo();
 758                                 goto exit_with_message;
 759                         } else if (action == LFUN_REDO) {
 760                                 view()->menuRedo();
 761                                 goto exit_with_message;
 762                         } else if (((result=inset->
 763                                      // Hand-over to inset's own dispatch:
 764                                      localDispatch(FuncRequest(view(), action, argument))) ==
 765                                     UpdatableInset::DISPATCHED) ||
 766                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 767                                 goto exit_with_message;
 768                                         // If UNDISPATCHED, just soldier on
 769                         else if (result == UpdatableInset::FINISHED) {
 770                                 goto exit_with_message;
 771                                 // We do not need special RTL handling here:
 772                                 // FINISHED means that the cursor should be
 773                                 // one position after the inset.
 774                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 775                                 TEXT()->cursorRight(view());
 776                                 moveCursorUpdate(true, false);
 777                                 owner->view_state_changed();
 778                                 goto exit_with_message;
 779                         } else if (result == UpdatableInset::FINISHED_UP) {
 780                                 if (TEXT()->cursor.irow()->previous()) {
 781 #if 1
 782                                         TEXT()->setCursorFromCoordinates(
 783                                                 view(), TEXT()->cursor.ix() + inset_x,
 784                                                 TEXT()->cursor.iy() -
 785                                                 TEXT()->cursor.irow()->baseline() - 1);
 786                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 787 #else
 788                                         TEXT()->cursorUp(view());
 789 #endif
 790                                         moveCursorUpdate(true, false);
 791                                         owner->view_state_changed();
 792                                 } else {
 793                                         view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 794                                 }
 795                                 goto exit_with_message;
 796                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 797                                 if (TEXT()->cursor.irow()->next()) {
 798 #if 1
 799                                         TEXT()->setCursorFromCoordinates(
 800                                                 view(), TEXT()->cursor.ix() + inset_x,
 801                                                 TEXT()->cursor.iy() -
 802                                                 TEXT()->cursor.irow()->baseline() +
 803                                                 TEXT()->cursor.irow()->height() + 1);
 804                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 805 #else
 806                                         TEXT()->cursorDown(view());
 807 #endif
 808                                 } else {
 809                                         TEXT()->cursorRight(view());
 810                                 }
 811                                 moveCursorUpdate(true, false);
 812                                 owner->view_state_changed();
 813                                 goto exit_with_message;
 814                         }
 815 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 816                         else { // result == UNDISPATCHED
 817                                 //setMessage(N_("Text mode"));
 818                                 switch (action) {
 819                                 case LFUN_UNKNOWN_ACTION:
 820                                 case LFUN_BREAKPARAGRAPH:
 821                                 case LFUN_BREAKLINE:
 822                                         TEXT()->cursorRight(view());
 823                                         view()->switchKeyMap();
 824                                         owner->view_state_changed();
 825                                         break;
 826                                 case LFUN_RIGHT:
 827                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 828                                                 TEXT()->cursorRight(view());
 829                                                 moveCursorUpdate(true, false);
 830                                                 owner->view_state_changed();
 831                                         }
 832                                         goto exit_with_message;
 833                                 case LFUN_LEFT:
 834                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 835                                                 TEXT()->cursorRight(view());
 836                                                 moveCursorUpdate(true, false);
 837                                                 owner->view_state_changed();
 838                                         }
 839                                         goto exit_with_message;
 840                                 case LFUN_DOWN:
 841                                         if (TEXT()->cursor.row()->next())
 842                                                 TEXT()->cursorDown(view());
 843                                         else
 844                                                 TEXT()->cursorRight(view());
 845                                         moveCursorUpdate(true, false);
 846                                         owner->view_state_changed();
 847                                         goto exit_with_message;
 848                                 default:
 849                                         break;
 850                                 }
 851                         }
 852                 }
 853         }
 854
 855         switch (action) {
 856
 857         case LFUN_ESCAPE:
 858         {
 859                 if (!view()->available()) break;
 860                 // this function should be used always [asierra060396]
 861                 UpdatableInset * tli =
 862                         view()->theLockingInset();
 863                 if (tli) {
 864                         UpdatableInset * lock = tli->getLockingInset();
 865
 866                         if (tli == lock) {
 867                                 view()->unlockInset(tli);
 868                                 TEXT()->cursorRight(view());
 869                                 moveCursorUpdate(true, false);
 870                                 owner->view_state_changed();
 871                         } else {
 872                                 tli->unlockInsetInInset(view(),
 873                                                         lock,
 874                                                         true);
 875                         }
 876                         finishUndo();
 877                         // Tell the paragraph dialog that we changed paragraph
 878                         owner->getDialogs().updateParagraph();
 879                 }
 880         }
 881         break;
 882
 883                 // --- Misc -------------------------------------------
 884         case LFUN_WORDFINDFORWARD  :
 885         case LFUN_WORDFINDBACKWARD : {
 886                 static string last_search;
 887                 string searched_string;
 888
 889                 if (!argument.empty()) {
 890                         last_search = argument;
 891                         searched_string = argument;
 892                 } else {
 893                         searched_string = last_search;
 894                 }
 895                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 896                 if (!searched_string.empty()) {
 897                         lyxfind::LyXFind(view(), searched_string, fw);
 898                 }
 899 //              view()->showCursor();
 900         }
 901         break;
 902
 903         case LFUN_PREFIX:
 904         {
 905                 if (view()->available() && !view()->theLockingInset()) {
 906                         view()->update(TEXT(),
 907                                               BufferView::SELECT|BufferView::FITCUR);
 908                 }
 909                 owner->message(keyseq.printOptions());
 910         }
 911         break;
 912
 913         // --- Misc -------------------------------------------
 914         case LFUN_EXEC_COMMAND:
 915                 owner->focus_command_buffer();
 916                 break;
 917
 918         case LFUN_CANCEL:                   // RVDK_PATCH_5
 919                 keyseq.reset();
 920                 meta_fake_bit = key_modifier::none;
 921                 if (view()->available())
 922                         // cancel any selection
 923                         dispatch(LFUN_MARK_OFF);
 924                 setMessage(N_("Cancel"));
 925                 break;
 926
 927         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 928         {
 929                 meta_fake_bit = key_modifier::alt;
 930                 setMessage(keyseq.print());
 931         }
 932         break;
 933
 934         case LFUN_READ_ONLY_TOGGLE:
 935                 if (owner->buffer()->lyxvc.inUse()) {
 936                         owner->buffer()->lyxvc.toggleReadOnly();
 937                 } else {
 938                         owner->buffer()->setReadonly(
 939                                 !owner->buffer()->isReadonly());
 940                 }
 941                 break;
 942
 943         case LFUN_CENTER: // this is center and redraw.
 944                 view()->center();
 945                 break;
 946
 947                 // --- Menus -----------------------------------------------
 948         case LFUN_MENUNEW:
 949                 menuNew(argument, false);
 950                 break;
 951
 952         case LFUN_MENUNEWTMPLT:
 953                 menuNew(argument, true);
 954                 break;
 955
 956         case LFUN_CLOSEBUFFER:
 957                 closeBuffer();
 958                 break;
 959
 960         case LFUN_MENUWRITE:
 961                 if (!owner->buffer()->isUnnamed()) {
 962                         ostringstream s1;
 963                         s1 << _("Saving document") << ' '
 964                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 965                         owner->message(s1.str().c_str());
 966                         MenuWrite(view(), owner->buffer());
 967                         s1 << _(" done.");
 968                         owner->message(s1.str().c_str());
 969                 } else
 970                         WriteAs(view(), owner->buffer());
 971                 break;
 972
 973         case LFUN_WRITEAS:
 974                 WriteAs(view(), owner->buffer(), argument);
 975                 break;
 976
 977         case LFUN_MENURELOAD:
 978                 reloadBuffer();
 979                 break;
 980
 981         case LFUN_UPDATE:
 982                 Exporter::Export(owner->buffer(), argument, true);
 983                 break;
 984
 985         case LFUN_PREVIEW:
 986                 Exporter::Preview(owner->buffer(), argument);
 987                 break;
 988
 989         case LFUN_BUILDPROG:
 990                 Exporter::Export(owner->buffer(), "program", true);
 991                 break;
 992
 993         case LFUN_RUNCHKTEX:
 994                 MenuRunChktex(owner->buffer());
 995                 break;
 996
 997         case LFUN_MENUPRINT:
 998                 owner->getDialogs().showPrint();
 999                 break;
1000
1001         case LFUN_EXPORT:
1002                 if (argument == "custom")
1003                         owner->getDialogs().showSendto();
1004                 else
1005                         Exporter::Export(owner->buffer(), argument, false);
1006                 break;
1007
1008         case LFUN_IMPORT:
1009                 doImport(argument);
1010                 break;
1011
1012         case LFUN_QUIT:
1013                 QuitLyX();
1014                 break;
1015
1016         case LFUN_TOCVIEW:
1017 #if 0
1018         case LFUN_LOFVIEW:
1019         case LFUN_LOTVIEW:
1020         case LFUN_LOAVIEW:
1021 #endif
1022         {
1023                 InsetCommandParams p;
1024
1025 #if 0
1026                 if (action == LFUN_TOCVIEW)
1027 #endif
1028                         p.setCmdName("tableofcontents");
1029 #if 0
1030                 else if (action == LFUN_LOAVIEW)
1031                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1032                 else if (action == LFUN_LOFVIEW)
1033                         p.setCmdName("listoffigures");
1034                 else
1035                         p.setCmdName("listoftables");
1036 #endif
1037                 owner->getDialogs().createTOC(p.getAsString());
1038                 break;
1039         }
1040
1041         case LFUN_AUTOSAVE:
1042                 AutoSave(view());
1043                 break;
1044
1045         case LFUN_UNDO:
1046                 view()->menuUndo();
1047                 break;
1048
1049         case LFUN_REDO:
1050                 view()->menuRedo();
1051                 break;
1052
1053         case LFUN_MENUSEARCH:
1054                 owner->getDialogs().showSearch();
1055                 break;
1056
1057         case LFUN_REMOVEERRORS:
1058                 if (view()->removeAutoInsets()) {
1059 #warning repaint() or update() or nothing ?
1060                         view()->repaint();
1061                         view()->fitCursor();
1062                 }
1063                 break;
1064
1065         case LFUN_DEPTH_MIN:
1066                 changeDepth(view(), TEXT(false), -1);
1067                 break;
1068
1069         case LFUN_DEPTH_PLUS:
1070                 changeDepth(view(), TEXT(false), 1);
1071                 break;
1072
1073         case LFUN_FREE:
1074                 owner->getDialogs().setUserFreeFont();
1075                 break;
1076
1077         case LFUN_RECONFIGURE:
1078                 Reconfigure(view());
1079                 break;
1080
1081 #if 0
1082         case LFUN_FLOATSOPERATE:
1083                 if (argument == "openfoot")
1084                         view()->allFloats(1,0);
1085                 else if (argument == "closefoot")
1086                         view()->allFloats(0,0);
1087                 else if (argument == "openfig")
1088                         view()->allFloats(1,1);
1089                 else if (argument == "closefig")
1090                         view()->allFloats(0,1);
1091                 break;
1092 #else
1093 #ifdef WITH_WARNINGS
1094 //#warning Find another implementation here (or another lyxfunc)!
1095 #endif
1096 #endif
1097         case LFUN_HELP_ABOUTLYX:
1098                 owner->getDialogs().showAboutlyx();
1099                 break;
1100
1101         case LFUN_HELP_TEXINFO:
1102                 owner->getDialogs().showTexinfo();
1103                 break;
1104
1105         case LFUN_HELP_OPEN:
1106         {
1107                 string const arg = argument;
1108                 if (arg.empty()) {
1109                         setErrorMessage(N_("Missing argument"));
1110                         break;
1111                 }
1112                 owner->prohibitInput();
1113                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1114                 if (fname.empty()) {
1115                         lyxerr << "LyX: unable to find documentation file `"
1116                                << arg << "'. Bad installation?" << endl;
1117                         owner->allowInput();
1118                         break;
1119                 }
1120                 ostringstream str;
1121                 str << _("Opening help file") << ' '
1122                     << MakeDisplayPath(fname) << "...";
1123                 owner->message(str.str().c_str());
1124                 view()->buffer(bufferlist.loadLyXFile(fname, false));
1125                 owner->allowInput();
1126                 break;
1127         }
1128
1129                 // --- version control -------------------------------
1130         case LFUN_VC_REGISTER:
1131         {
1132                 if (!owner->buffer()->lyxvc.inUse())
1133                         owner->buffer()->lyxvc.registrer();
1134         }
1135         break;
1136
1137         case LFUN_VC_CHECKIN:
1138         {
1139                 if (owner->buffer()->lyxvc.inUse()
1140                     && !owner->buffer()->isReadonly())
1141                         owner->buffer()->lyxvc.checkIn();
1142         }
1143         break;
1144
1145         case LFUN_VC_CHECKOUT:
1146         {
1147                 if (owner->buffer()->lyxvc.inUse()
1148                     && owner->buffer()->isReadonly())
1149                         owner->buffer()->lyxvc.checkOut();
1150         }
1151         break;
1152
1153         case LFUN_VC_REVERT:
1154         {
1155                 owner->buffer()->lyxvc.revert();
1156         }
1157         break;
1158
1159         case LFUN_VC_UNDO:
1160         {
1161                 owner->buffer()->lyxvc.undoLast();
1162         }
1163         break;
1164
1165         case LFUN_VC_HISTORY:
1166         {
1167                 owner->getDialogs().showVCLogFile();
1168                 break;
1169         }
1170
1171         // --- buffers ----------------------------------------
1172
1173         case LFUN_SWITCHBUFFER:
1174                 view()->buffer(bufferlist.getBuffer(argument));
1175                 break;
1176
1177         case LFUN_FILE_NEW:
1178         {
1179                 // servercmd: argument must be <file>:<template>
1180                 Buffer * tmpbuf = NewFile(argument);
1181                 if (tmpbuf)
1182                         view()->buffer(tmpbuf);
1183         }
1184         break;
1185
1186         case LFUN_FILE_OPEN:
1187                 open(argument);
1188                 break;
1189
1190         case LFUN_LATEX_LOG:
1191                 owner->getDialogs().showLogFile();
1192                 break;
1193
1194         case LFUN_LAYOUT_DOCUMENT:
1195                 owner->getDialogs().showDocument();
1196                 break;
1197
1198         case LFUN_LAYOUT_PARAGRAPH:
1199                 owner->getDialogs().showParagraph();
1200                 break;
1201
1202         case LFUN_LAYOUT_CHARACTER:
1203                 owner->getDialogs().showCharacter();
1204                 break;
1205
1206         case LFUN_LAYOUT_TABULAR:
1207             if (view()->theLockingInset()) {
1208                 if (view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1209                     InsetTabular * inset = static_cast<InsetTabular *>
1210                         (view()->theLockingInset());
1211                     inset->openLayoutDialog(view());
1212                 } else if (view()->theLockingInset()->
1213                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1214                     InsetTabular * inset = static_cast<InsetTabular *>(
1215                         view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1216                     inset->openLayoutDialog(view());
1217                 }
1218             }
1219             break;
1220
1221         case LFUN_LAYOUT_PREAMBLE:
1222                 owner->getDialogs().showPreamble();
1223                 break;
1224
1225         case LFUN_DROP_LAYOUTS_CHOICE:
1226                 owner->getToolbar().openLayoutList();
1227                 break;
1228
1229         case LFUN_MENU_OPEN_BY_NAME:
1230                 owner->getMenubar().openByName(argument);
1231                 break; // RVDK_PATCH_5
1232
1233         case LFUN_SPELLCHECK:
1234                 owner->getDialogs().showSpellchecker();
1235                 break;
1236
1237         // --- lyxserver commands ----------------------------
1238
1239
1240         case LFUN_GETNAME:
1241                 setMessage(owner->buffer()->fileName());
1242                 lyxerr[Debug::INFO] << "FNAME["
1243                                << owner->buffer()->fileName()
1244                                << "] " << endl;
1245                 break;
1246
1247         case LFUN_NOTIFY:
1248         {
1249                 dispatch_buffer = keyseq.print();
1250                 lyxserver->notifyClient(dispatch_buffer);
1251         }
1252         break;
1253
1254         case LFUN_GOTOFILEROW:
1255         {
1256                 string file_name;
1257                 int row;
1258                 istringstream istr(argument.c_str());
1259                 istr >> file_name >> row;
1260                 // Must replace extension of the file to be .lyx and get full path
1261                 string const s(ChangeExtension(file_name, ".lyx"));
1262
1263                 // Either change buffer or load the file
1264                 if (bufferlist.exists(s)) {
1265                         view()->buffer(bufferlist.getBuffer(s));
1266                 } else {
1267                         view()->buffer(bufferlist.loadLyXFile(s));
1268                 }
1269
1270                 view()->setCursorFromRow(row);
1271
1272                 view()->center();
1273                 // see BufferView_pimpl::center()
1274                 view()->updateScrollbar();
1275         }
1276         break;
1277
1278         case LFUN_GOTO_PARAGRAPH:
1279         {
1280                 istringstream istr(argument.c_str());
1281
1282                 int id;
1283                 istr >> id;
1284                 Paragraph * par = owner->buffer()->getParFromID(id);
1285                 if (par == 0) {
1286                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1287                                             << id << "]" << endl;
1288                         break;
1289                 } else {
1290                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1291                                             << " found." << endl;
1292                 }
1293
1294                 if (view()->theLockingInset())
1295                         view()->unlockInset(view()->theLockingInset());
1296                 if (par->inInset()) {
1297                         par->inInset()->edit(view());
1298                 }
1299                 // Set the cursor
1300                 view()->getLyXText()->setCursor(view(), par, 0);
1301                 view()->switchKeyMap();
1302                 owner->view_state_changed();
1303
1304                 view()->center();
1305                 // see BufferView_pimpl::center()
1306                 view()->updateScrollbar();
1307         }
1308         break;
1309
1310         case LFUN_APROPOS:
1311         case LFUN_GETTIP:
1312         {
1313                 int const qa = lyxaction.LookupFunc(argument);
1314                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1315         }
1316         break;
1317
1318         // --- insert characters ----------------------------------------
1319
1320         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1321         case LFUN_MATH_EXTERN:
1322         case LFUN_MATH_NUMBER:
1323         case LFUN_MATH_NONUMBER:
1324         case LFUN_MATH_LIMITS:
1325         {
1326                 setErrorMessage(N_("This is only allowed in math mode!"));
1327         }
1328         break;
1329
1330         // passthrough hat and underscore outside mathed:
1331         case LFUN_SUBSCRIPT:
1332                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1333                 break;
1334         case LFUN_SUPERSCRIPT:
1335                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1336                 break;
1337
1338         case LFUN_MATH_PANEL:
1339                 owner->getDialogs().showMathPanel();
1340                 break;
1341
1342         case LFUN_CITATION_CREATE:
1343         {
1344                 InsetCommandParams p("cite");
1345
1346                 if (!argument.empty()) {
1347                         // This should be set at source, ie when typing
1348                         // "citation-insert foo" in the minibuffer.
1349                         // Question: would pybibliographer also need to be
1350                         // changed. Suspect so. Leave as-is therefore.
1351                         if (contains(argument, "|")) {
1352                                 p.setContents(token(argument, '|', 0));
1353                                 p.setOptions(token(argument, '|', 1));
1354                         } else {
1355                                 p.setContents(argument);
1356                         }
1357                         dispatch(FuncRequest(view(), LFUN_CITATION_INSERT, p.getAsString()));
1358                 } else
1359                         owner->getDialogs().createCitation(p.getAsString());
1360         }
1361         break;
1362
1363         case LFUN_CHILDOPEN:
1364         {
1365                 string const filename =
1366                         MakeAbsPath(argument,
1367                                     owner->buffer()->filePath());
1368                 setMessage(N_("Opening child document ") +
1369                            MakeDisplayPath(filename) + "...");
1370                 view()->savePosition(0);
1371                 if (bufferlist.exists(filename))
1372                         view()->buffer(bufferlist.getBuffer(filename));
1373                 else
1374                         view()->buffer(bufferlist.loadLyXFile(filename));
1375         }
1376         break;
1377
1378         case LFUN_TOGGLECURSORFOLLOW:
1379                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1380                 break;
1381
1382         case LFUN_KMAP_OFF:             // keymap off
1383                 owner->getIntl().KeyMapOn(false);
1384                 break;
1385
1386         case LFUN_KMAP_PRIM:    // primary keymap
1387                 owner->getIntl().KeyMapPrim();
1388                 break;
1389
1390         case LFUN_KMAP_SEC:             // secondary keymap
1391                 owner->getIntl().KeyMapSec();
1392                 break;
1393
1394         case LFUN_KMAP_TOGGLE:  // toggle keymap
1395                 owner->getIntl().ToggleKeyMap();
1396                 break;
1397
1398         case LFUN_SEQUENCE:
1399         {
1400                 // argument contains ';'-terminated commands
1401                 while (!argument.empty()) {
1402                         string first;
1403                         argument = split(argument, first, ';');
1404                         dispatch(first);
1405                 }
1406         }
1407         break;
1408
1409         case LFUN_DIALOG_PREFERENCES:
1410                 owner->getDialogs().showPreferences();
1411                 break;
1412
1413         case LFUN_SAVEPREFERENCES:
1414         {
1415                 Path p(user_lyxdir);
1416                 lyxrc.write("preferences");
1417         }
1418         break;
1419
1420         case LFUN_SCREEN_FONT_UPDATE:
1421         {
1422                 // handle the screen font changes.
1423                 lyxrc.set_font_norm_type();
1424                 lyx_gui::update_fonts();
1425                 // We also need to empty the textcache so that
1426                 // the buffer will be formatted correctly after
1427                 // a zoom change.
1428                 textcache.clear();
1429                 // Of course we should only do the resize and the textcache.clear
1430                 // if values really changed...but not very important right now. (Lgb)
1431                 // All visible buffers will need resize
1432                 view()->resize();
1433                 view()->repaint();
1434         }
1435         break;
1436
1437         case LFUN_SET_COLOR:
1438         {
1439                 string lyx_name;
1440                 string const x11_name = split(argument, lyx_name, ' ');
1441                 if (lyx_name.empty() || x11_name.empty()) {
1442                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1443                                                 " <x11_name>"));
1444                         break;
1445                         }
1446
1447                 bool const graphicsbg_changed =
1448                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1449                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1450
1451                 if (!lcolor.setColor(lyx_name, x11_name)) {
1452                         static string const err1 (N_("Set-color \""));
1453                         static string const err2 (
1454                                 N_("\" failed - color is undefined "
1455                                    "or may not be redefined"));
1456                         setErrorMessage(_(err1) + lyx_name + _(err2));
1457                         break;
1458                 }
1459
1460                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1461
1462                 if (graphicsbg_changed) {
1463 #ifdef WITH_WARNINGS
1464 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1465 #endif
1466 #if 0
1467                         grfx::GCache & gc = grfx::GCache::get();
1468                         gc.changeDisplay(true);
1469 #endif
1470                 }
1471
1472                 view()->repaint();
1473                 break;
1474         }
1475
1476         case LFUN_MESSAGE:
1477                 owner->message(argument);
1478                 break;
1479
1480         case LFUN_FORKS_SHOW:
1481                 owner->getDialogs().showForks();
1482                 break;
1483
1484         case LFUN_FORKS_KILL:
1485         {
1486                 if (!isStrInt(argument))
1487                         break;
1488
1489                 pid_t const pid = strToInt(argument);
1490                 ForkedcallsController & fcc = ForkedcallsController::get();
1491                 fcc.kill(pid);
1492                 break;
1493         }
1494
1495         case LFUN_TOOLTIPS_TOGGLE:
1496                 owner->getDialogs().toggleTooltips();
1497                 break;
1498
1499         default:
1500                 // Then if it was none of the above
1501                 // Trying the BufferView::pimpl dispatch:
1502                 if (!view()->dispatch(ev))
1503                         lyxerr << "A truly unknown func ["
1504                                << lyxaction.getActionName(ev.action) << "]!"
1505                                << endl;
1506                 break;
1507         } // end of switch
1508
1509 exit_with_message:
1510         sendDispatchMessage(getMessage(), ev, verbose);
1511 }
1512
1513
1514 void LyXFunc::sendDispatchMessage(string const & msg, FuncRequest const & ev, bool verbose)
1515 {
1516         owner->updateMenubar();
1517         owner->updateToolbar();
1518
1519         if (ev.action == LFUN_SELFINSERT || !verbose) {
1520                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1521                 if (!msg.empty())
1522                         owner->message(msg);
1523                 return;
1524         }
1525
1526         string dispatch_msg = msg;
1527         if (!dispatch_msg.empty())
1528                 dispatch_msg += " ";
1529
1530         string comname = lyxaction.getActionName(ev.action);
1531
1532         int pseudoaction = ev.action;
1533         bool argsadded = false;
1534
1535         if (!ev.argument.empty()) {
1536                 // the pseudoaction is useful for the bindings
1537                 pseudoaction = lyxaction.searchActionArg(ev.action, ev.argument);
1538
1539                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1540                         pseudoaction = ev.action;
1541                 } else {
1542                         comname += " " + ev.argument;
1543                         argsadded = true;
1544                 }
1545         }
1546
1547         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1548
1549         if (!shortcuts.empty()) {
1550                 comname += ": " + shortcuts;
1551         } else if (!argsadded && !ev.argument.empty()) {
1552                 comname += " " + ev.argument;
1553         }
1554
1555         if (!comname.empty()) {
1556                 comname = rtrim(comname);
1557                 dispatch_msg += "(" + comname + ')';
1558         }
1559
1560         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1561         if (!dispatch_msg.empty())
1562                 owner->message(dispatch_msg);
1563 }
1564
1565
1566 void LyXFunc::setupLocalKeymap()
1567 {
1568         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1569         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1570 }
1571
1572
1573 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1574 {
1575         string initpath = lyxrc.document_path;
1576         string filename(name);
1577
1578         if (view()->available()) {
1579                 string const trypath = owner->buffer()->filePath();
1580                 // If directory is writeable, use this as default.
1581                 if (IsDirWriteable(trypath))
1582                         initpath = trypath;
1583         }
1584
1585         static int newfile_number;
1586
1587         if (filename.empty()) {
1588                 filename = AddName(lyxrc.document_path,
1589                             "newfile" + tostr(++newfile_number) + ".lyx");
1590                 FileInfo fi(filename);
1591                 while (bufferlist.exists(filename) || fi.readable()) {
1592                         ++newfile_number;
1593                         filename = AddName(lyxrc.document_path,
1594                                     "newfile" + tostr(newfile_number) +
1595                                     ".lyx");
1596                         fi.newFile(filename);
1597                 }
1598         }
1599
1600         // The template stuff
1601         string templname;
1602         if (fromTemplate) {
1603                 FileDialog fileDlg(owner, _("Select template file"),
1604                         LFUN_SELECT_FILE_SYNC,
1605                         make_pair(string(_("Documents|#o#O")),
1606                                   string(lyxrc.document_path)),
1607                         make_pair(string(_("Templates|#T#t")),
1608                                   string(lyxrc.template_path)));
1609
1610                 FileDialog::Result result =
1611                         fileDlg.Select(lyxrc.template_path,
1612                                        _("*.lyx|LyX Documents (*.lyx)"));
1613
1614                 if (result.first == FileDialog::Later)
1615                         return;
1616
1617                 string const fname = result.second;
1618
1619                 if (fname.empty())
1620                         return;
1621                 templname = fname;
1622         }
1623
1624         view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1625 }
1626
1627
1628 void LyXFunc::open(string const & fname)
1629 {
1630         string initpath = lyxrc.document_path;
1631
1632         if (view()->available()) {
1633                 string const trypath = owner->buffer()->filePath();
1634                 // If directory is writeable, use this as default.
1635                 if (IsDirWriteable(trypath))
1636                         initpath = trypath;
1637         }
1638
1639         string filename;
1640
1641         if (fname.empty()) {
1642                 FileDialog fileDlg(owner, _("Select document to open"),
1643                         LFUN_FILE_OPEN,
1644                         make_pair(string(_("Documents|#o#O")),
1645                                   string(lyxrc.document_path)),
1646                         make_pair(string(_("Examples|#E#e")),
1647                                   string(AddPath(system_lyxdir, "examples"))));
1648
1649                 FileDialog::Result result =
1650                         fileDlg.Select(initpath,
1651                                        "*.lyx|LyX Documents (*.lyx)");
1652
1653                 if (result.first == FileDialog::Later)
1654                         return;
1655
1656                 filename = result.second;
1657
1658                 // check selected filename
1659                 if (filename.empty()) {
1660                         owner->message(_("Canceled."));
1661                         return;
1662                 }
1663         } else
1664                 filename = fname;
1665
1666         // get absolute path of file and add ".lyx" to the filename if
1667         // necessary
1668         string const fullpath = FileSearch(string(), filename, "lyx");
1669         if (!fullpath.empty()) {
1670                 filename = fullpath;
1671         }
1672
1673         string const disp_fn(MakeDisplayPath(filename));
1674
1675         // if the file doesn't exist, let the user create one
1676         FileInfo const f(filename, true);
1677         if (!f.exist()) {
1678                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1679                         _("Start a new document with this filename ?"))) {
1680                         owner->message(_("Canceled"));
1681                         return;
1682                 }
1683                 // the user specifically chose this name. Believe them.
1684                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1685                 view()->buffer(buffer);
1686                 return;
1687         }
1688
1689         ostringstream str;
1690         str << _("Opening document") << ' ' << disp_fn << "...";
1691
1692         owner->message(str.str().c_str());
1693
1694         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1695         if (openbuf) {
1696                 view()->buffer(openbuf);
1697                 ostringstream str;
1698                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1699                 owner->message(str.str().c_str());
1700         } else {
1701                 ostringstream str;
1702                 str << _("Could not open document") << ' ' << disp_fn;
1703                 owner->message(str.str().c_str());
1704         }
1705 }
1706
1707
1708 void LyXFunc::doImport(string const & argument)
1709 {
1710         string format;
1711         string filename = split(argument, format, ' ');
1712
1713         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1714                             << " file: " << filename << endl;
1715
1716         // need user interaction
1717         if (filename.empty()) {
1718                 string initpath = lyxrc.document_path;
1719
1720                 if (view()->available()) {
1721                         string const trypath = owner->buffer()->filePath();
1722                         // If directory is writeable, use this as default.
1723                         if (IsDirWriteable(trypath))
1724                                 initpath = trypath;
1725                 }
1726
1727                 string const text = _("Select ") + formats.prettyName(format)
1728                         + _(" file to import");
1729
1730                 FileDialog fileDlg(owner, text,
1731                         LFUN_IMPORT,
1732                         make_pair(string(_("Documents|#o#O")),
1733                                   string(lyxrc.document_path)),
1734                         make_pair(string(_("Examples|#E#e")),
1735                                   string(AddPath(system_lyxdir, "examples"))));
1736
1737                 string const extension = "*." + formats.extension(format)
1738                         + "| " + formats.prettyName(format)
1739                         + " (*." + formats.extension(format) + ")";
1740
1741                 FileDialog::Result result = fileDlg.Select(initpath,
1742                                                            extension);
1743
1744                 if (result.first == FileDialog::Later)
1745                         return;
1746
1747                 filename = result.second;
1748
1749                 // check selected filename
1750                 if (filename.empty())
1751                         owner->message(_("Canceled."));
1752         }
1753
1754         if (filename.empty())
1755                 return;
1756
1757         // get absolute path of file
1758         filename = MakeAbsPath(filename);
1759
1760         string const lyxfile = ChangeExtension(filename, ".lyx");
1761
1762         // Check if the document already is open
1763         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1764                 switch (Alert::askConfirmation(_("Document is already open:"),
1765                                         MakeDisplayPath(lyxfile, 50),
1766                                         _("Do you want to close that document now?\n"
1767                                           "('No' will just switch to the open version)")))
1768                         {
1769                         case 1:
1770                                 // If close is canceled, we cancel here too.
1771                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1772                                         return;
1773                                 break;
1774                         case 2:
1775                                 view()->buffer(bufferlist.getBuffer(lyxfile));
1776                                 return;
1777                         case 3:
1778                                 owner->message(_("Canceled."));
1779                                 return;
1780                         }
1781         }
1782
1783         // if the file exists already, and we didn't do
1784         // -i lyx thefile.lyx, warn
1785         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1786                 if (!Alert::askQuestion(_("A document by the name"),
1787                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1788                         owner->message(_("Canceled"));
1789                         return;
1790                 }
1791         }
1792
1793         Importer::Import(owner, filename, format);
1794 }
1795
1796
1797 void LyXFunc::reloadBuffer()
1798 {
1799         string const fn = owner->buffer()->fileName();
1800         if (bufferlist.close(owner->buffer()))
1801                 view()->buffer(bufferlist.loadLyXFile(fn));
1802 }
1803
1804
1805 void LyXFunc::closeBuffer()
1806 {
1807         if (bufferlist.close(owner->buffer()) && !quitting) {
1808                 if (bufferlist.empty()) {
1809                         // need this otherwise SEGV may occur while trying to
1810                         // set variables that don't exist
1811                         // since there's no current buffer
1812                         owner->getDialogs().hideBufferDependent();
1813                 } else {
1814                         view()->buffer(bufferlist.first());
1815                 }
1816         }
1817 }
1818
1819
1820 // Each "owner" should have it's own message method. lyxview and
1821 // the minibuffer would use the minibuffer, but lyxserver would
1822 // send an ERROR signal to its client.  Alejandro 970603
1823 // This func is bit problematic when it comes to NLS, to make the
1824 // lyx servers client be language indepenent we must not translate
1825 // strings sent to this func.
1826 void LyXFunc::setErrorMessage(string const & m) const
1827 {
1828         dispatch_buffer = m;
1829         errorstat = true;
1830 }
1831
1832
1833 void LyXFunc::setMessage(string const & m) const
1834 {
1835         dispatch_buffer = m;
1836 }
1837
1838
1839 void LyXFunc::setStatusMessage(string const & m) const
1840 {
1841         status_buffer = m;
1842 }
1843
1844
1845 string const LyXFunc::view_status_message()
1846 {
1847         // When meta-fake key is pressed, show the key sequence so far + "M-".
1848         if (wasMetaKey()) {
1849                 return keyseq.print() + "M-";
1850         }
1851
1852         // Else, when a non-complete key sequence is pressed,
1853         // show the available options.
1854         if (keyseq.length() > 0 && !keyseq.deleted()) {
1855                 return keyseq.printOptions();
1856         }
1857
1858         if (!view()->available())
1859                 return _("Welcome to LyX!");
1860
1861         return currentState(view());
1862 }
1863
1864
1865 BufferView * LyXFunc::view() const
1866 {
1867         lyx::Assert(owner);
1868         return owner->view().get();
1869 }