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