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().get());
 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 #ifndef HAVE_LIBAIKSAURUS
 349         case LFUN_THESAURUS_ENTRY:
 350                 disable = true;
 351                 break;
 352 #endif
 353         case LFUN_RUNCHKTEX:
 354                 disable = lyxrc.chktex_command == "none";
 355                 break;
 356         case LFUN_BUILDPROG:
 357                 disable = !Exporter::IsExportable(buf, "program");
 358                 break;
 359
 360         case LFUN_LAYOUT_CHARACTER:
 361                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 362                 break;
 363
 364         case LFUN_LAYOUT_TABULAR:
 365                 disable = !tli
 366                         || (tli->lyxCode() != Inset::TABULAR_CODE
 367                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 368                 break;
 369
 370         case LFUN_LAYOUT:
 371         case LFUN_LAYOUT_PARAGRAPH: {
 372                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 373                 disable = inset && inset->forceDefaultParagraphs(inset);
 374                 break;
 375         }
 376
 377         case LFUN_TABULAR_FEATURE:
 378                 disable = true;
 379                 if (tli) {
 380                         FuncStatus ret;
 381                         //ret.disabled(true);
 382                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 383                                 ret = static_cast<InsetTabular *>(tli)
 384                                         ->getStatus(argument);
 385                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 386                                 ret = static_cast<InsetTabular *>
 387                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 388                                         ->getStatus(argument);
 389                         }
 390                         flag |= ret;
 391                         disable = false;
 392                 } else {
 393                         static InsetTabular inset(*owner->buffer(), 1, 1);
 394                         FuncStatus ret;
 395
 396                         disable = true;
 397                         ret = inset.getStatus(argument);
 398                         if (ret.onoff(true) || ret.onoff(false))
 399                                 flag.setOnOff(false);
 400                 }
 401                 break;
 402
 403         case LFUN_VC_REGISTER:
 404                 disable = buf->lyxvc.inUse();
 405                 break;
 406         case LFUN_VC_CHECKIN:
 407                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 408                 break;
 409         case LFUN_VC_CHECKOUT:
 410                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 411                 break;
 412         case LFUN_VC_REVERT:
 413         case LFUN_VC_UNDO:
 414         case LFUN_VC_HISTORY:
 415                 disable = !buf->lyxvc.inUse();
 416                 break;
 417         case LFUN_BOOKMARK_GOTO:
 418                 disable =  !owner->view()->
 419                         isSavedPosition(strToUnsignedInt(argument));
 420                 break;
 421         case LFUN_INSET_TOGGLE: {
 422                 LyXText * lt = owner->view()->getLyXText();
 423                 disable = !(isEditableInset(lt->getInset())
 424                             || (lt->inset_owner
 425                                 && lt->inset_owner->owner()
 426                                 && lt->inset_owner->owner()->isOpen()));
 427                 break;
 428         }
 429         case LFUN_LATEX_LOG:
 430                 disable = !IsFileReadable(buf->getLogName().second);
 431                 break;
 432         case LFUN_MATH_VALIGN:
 433                 if (mathcursor && mathcursor->formula()->hullType() != "simple") {
 434                         char align = mathcursor->valign();
 435                         if (align == '\0') {
 436                                 disable = true;
 437                                 break;
 438                         }
 439                         if (argument.empty()) {
 440                                 flag.clear();
 441                                 break;
 442                         }
 443                         if (!contains("tcb", argument[0])) {
 444                                 disable = true;
 445                                 break;
 446                         }
 447                         flag.setOnOff(argument[0] == align);
 448                 } else
 449                         disable = true;
 450                 break;
 451
 452         case LFUN_MATH_HALIGN:
 453                 if (mathcursor && mathcursor->formula()->hullType() != "simple") {
 454                         char align = mathcursor->halign();
 455                         if (align == '\0') {
 456                                 disable = true;
 457                                 break;
 458                         }
 459                         if (argument.empty()) {
 460                                 flag.clear();
 461                                 break;
 462                         }
 463                         if (!contains("lcr", argument[0])) {
 464                                 disable = true;
 465                                 break;
 466                         }
 467                         flag.setOnOff(argument[0] == align);
 468                 } else
 469                         disable = true;
 470                 break;
 471
 472         case LFUN_MATH_MUTATE:
 473                 if (tli && (tli->lyxCode() == Inset::MATH_CODE))
 474                         flag.setOnOff(mathcursor->formula()->hullType() == argument);
 475                 else
 476                         disable = true;
 477                 break;
 478
 479         // we just need to be in math mode to enable that
 480         case LFUN_MATH_SIZE:
 481         case LFUN_MATH_SPACE:
 482         case LFUN_MATH_LIMITS:
 483         case LFUN_MATH_NONUMBER:
 484         case LFUN_MATH_NUMBER:
 485                 disable = !mathcursor;
 486                 break;
 487
 488         // we need to be math mode and a math array for that
 489         // Hack: halign produces non-zero result iff we are in a math array
 490         case LFUN_MATH_ROW_INSERT:
 491         case LFUN_MATH_ROW_DELETE:
 492         case LFUN_MATH_COLUMN_INSERT:
 493         case LFUN_MATH_COLUMN_DELETE:
 494                 disable = !mathcursor || !mathcursor->halign() ||
 495                         mathcursor->formula()->hullType() == "simple";
 496                 break;
 497
 498         default:
 499                 break;
 500         }
 501
 502         // the functions which insert insets
 503         Inset::Code code = Inset::NO_CODE;
 504         switch (action) {
 505         case LFUN_INSET_ERT:
 506                 code = Inset::ERT_CODE;
 507                 break;
 508         case LFUN_INSET_GRAPHICS:
 509                 code = Inset::GRAPHICS_CODE;
 510                 break;
 511         case LFUN_INSET_FOOTNOTE:
 512                 code = Inset::FOOT_CODE;
 513                 break;
 514         case LFUN_TABULAR_INSERT:
 515                 code = Inset::TABULAR_CODE;
 516                 break;
 517         case LFUN_INSET_EXTERNAL:
 518                 code = Inset::EXTERNAL_CODE;
 519                 break;
 520         case LFUN_INSET_MARGINAL:
 521                 code = Inset::MARGIN_CODE;
 522                 break;
 523         case LFUN_INSET_MINIPAGE:
 524                 code = Inset::MINIPAGE_CODE;
 525                 break;
 526         case LFUN_INSET_FLOAT:
 527         case LFUN_INSET_WIDE_FLOAT:
 528                 code = Inset::FLOAT_CODE;
 529                 break;
 530         case LFUN_FLOAT_LIST:
 531                 code = Inset::FLOAT_LIST_CODE;
 532                 break;
 533 #if 0
 534         case LFUN_INSET_LIST:
 535                 code = Inset::LIST_CODE;
 536                 break;
 537         case LFUN_INSET_THEOREM:
 538                 code = Inset::THEOREM_CODE;
 539                 break;
 540 #endif
 541         case LFUN_INSET_CAPTION:
 542                 code = Inset::CAPTION_CODE;
 543                 break;
 544         case LFUN_INSERT_NOTE:
 545                 code = Inset::NOTE_CODE;
 546                 break;
 547         case LFUN_INSERT_LABEL:
 548                 code = Inset::LABEL_CODE;
 549                 break;
 550         case LFUN_REF_INSERT:
 551                 code = Inset::REF_CODE;
 552                 break;
 553         case LFUN_CITATION_CREATE:
 554         case LFUN_CITATION_INSERT:
 555                 code = Inset::CITE_CODE;
 556                 break;
 557         case LFUN_INSERT_BIBTEX:
 558                 code = Inset::BIBTEX_CODE;
 559                 break;
 560         case LFUN_INDEX_INSERT:
 561                 code = Inset::INDEX_CODE;
 562                 break;
 563         case LFUN_INDEX_PRINT:
 564                 code = Inset::INDEX_PRINT_CODE;
 565                 break;
 566         case LFUN_CHILD_INSERT:
 567                 code = Inset::INCLUDE_CODE;
 568                 break;
 569         case LFUN_TOC_INSERT:
 570                 code = Inset::TOC_CODE;
 571                 break;
 572         case LFUN_PARENTINSERT:
 573                 code = Inset::PARENT_CODE;
 574                 break;
 575         case LFUN_HTMLURL:
 576         case LFUN_URL:
 577         case LFUN_INSERT_URL:
 578                 code = Inset::URL_CODE;
 579                 break;
 580         case LFUN_QUOTE:
 581                 // always allow this, since we will inset a raw quote
 582                 // if an inset is not allowed.
 583                 break;
 584         case LFUN_HYPHENATION:
 585         case LFUN_LIGATURE_BREAK:
 586         case LFUN_HFILL:
 587         case LFUN_MENU_SEPARATOR:
 588         case LFUN_LDOTS:
 589         case LFUN_END_OF_SENTENCE:
 590                 code = Inset::SPECIALCHAR_CODE;
 591                 break;
 592         case LFUN_PROTECTEDSPACE:
 593                 // slight hack: we know this is allowed in math mode
 594                 if (!mathcursor)
 595                         code = Inset::SPECIALCHAR_CODE;
 596                 break;
 597         default:
 598                 break;
 599         }
 600         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code)) {
 601                 disable = true;
 602         }
 603
 604         if (disable)
 605                 flag.disabled(true);
 606
 607         // A few general toggles
 608         switch (action) {
 609         case LFUN_TOOLTIPS_TOGGLE:
 610                 flag.setOnOff(owner->getDialogs()->tooltipsEnabled());
 611                 break;
 612
 613         case LFUN_READ_ONLY_TOGGLE:
 614                 flag.setOnOff(buf->isReadonly());
 615                 break;
 616         case LFUN_APPENDIX:
 617                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 618                 break;
 619         case LFUN_SWITCHBUFFER:
 620                 // toggle on the current buffer, but do not toggle off
 621                 // the other ones (is that a good idea?)
 622                 if (argument == buf->fileName())
 623                         flag.setOnOff(true);
 624                 break;
 625         default:
 626                 break;
 627         }
 628
 629         // the font related toggles
 630         if (!mathcursor) {
 631                 LyXFont const & font = TEXT(false)->real_current_font;
 632                 switch (action) {
 633                 case LFUN_EMPH:
 634                         flag.setOnOff(font.emph() == LyXFont::ON);
 635                         break;
 636                 case LFUN_NOUN:
 637                         flag.setOnOff(font.noun() == LyXFont::ON);
 638                         break;
 639                 case LFUN_BOLD:
 640                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 641                         break;
 642                 case LFUN_SANS:
 643                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 644                         break;
 645                 case LFUN_ROMAN:
 646                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 647                         break;
 648                 case LFUN_CODE:
 649                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 650                         break;
 651                 default:
 652                         break;
 653                 }
 654         } else {
 655                 string tc = mathcursor->getLastCode();
 656                 switch (action) {
 657                 case LFUN_BOLD:
 658                         flag.setOnOff(tc == "mathbf");
 659                         break;
 660                 case LFUN_SANS:
 661                         flag.setOnOff(tc == "mathsf");
 662                         break;
 663                 case LFUN_EMPH:
 664                         flag.setOnOff(tc == "mathcal");
 665                         break;
 666                 case LFUN_ROMAN:
 667                         flag.setOnOff(tc == "mathrm");
 668                         break;
 669                 case LFUN_CODE:
 670                         flag.setOnOff(tc == "mathtt");
 671                         break;
 672                 case LFUN_NOUN:
 673                         flag.setOnOff(tc == "mathbb");
 674                         break;
 675                 case LFUN_DEFAULT:
 676                         flag.setOnOff(tc == "mathnormal");
 677                         break;
 678                 default:
 679                         break;
 680                 }
 681         }
 682
 683         // this one is difficult to get right. As a half-baked
 684         // solution, we consider only the first action of the sequence
 685         if (action == LFUN_SEQUENCE) {
 686                 // argument contains ';'-terminated commands
 687                 const int ac = lyxaction.LookupFunc(token(argument, ';', 0));
 688                 flag = getStatus(ac);
 689         }
 690
 691         return flag;
 692 }
 693
 694
 695 void LyXFunc::dispatch(string const & s, bool verbose)
 696 {
 697         int const action = lyxaction.LookupFunc(s);
 698
 699         if (action == LFUN_UNKNOWN_ACTION) {
 700                 string const msg = string(_("Unknown function ("))
 701                         + s + ")";
 702                 owner->message(msg);
 703                 return;
 704         }
 705
 706         dispatch(action, verbose);
 707 }
 708
 709
 710 void LyXFunc::dispatch(int ac, bool verbose)
 711 {
 712         string argument;
 713         kb_action const action = lyxaction.retrieveActionArg(ac, argument);
 714         dispatch(action, argument, verbose);
 715 }
 716
 717
 718
 719 void LyXFunc::dispatch(kb_action action, string argument, bool verbose)
 720 {
 721         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << action
 722                               <<"] arg[" << argument << "]" << endl;
 723
 724         // we have not done anything wrong yet.
 725         errorstat = false;
 726         dispatch_buffer.erase();
 727
 728 #ifdef NEW_DISPATCHER
 729         // We try do call the most specific dispatcher first:
 730         //  1. the lockinginset's dispatch
 731         //  2. the bufferview's dispatch
 732         //  3. the lyxview's dispatch
 733 #endif
 734
 735         selection_possible = false;
 736
 737         if (owner->view()->available())
 738                 owner->view()->hideCursor();
 739
 740         // We cannot use this function here
 741         if (getStatus(action, argument).disabled()) {
 742                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 743                        << lyxaction.getActionName(action)
 744                        << " [" << action << "] is disabled at this location"
 745                        << endl;
 746                 setErrorMessage(getStatusMessage());
 747                 goto exit_with_message;
 748         }
 749
 750         if (owner->view()->available() && owner->view()->theLockingInset()) {
 751                 UpdatableInset::RESULT result;
 752                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 753                                      (!keyseq.deleted())))
 754                 {
 755                         UpdatableInset * inset = owner->view()->theLockingInset();
 756 #if 1
 757                         int inset_x;
 758                         int dummy_y;
 759                         inset->getCursorPos(owner->view().get(), inset_x, dummy_y);
 760 #endif
 761                         if ((action == LFUN_UNKNOWN_ACTION)
 762                             && argument.empty()) {
 763                                 argument = keyseq.getLastKeyEncoded();
 764                         }
 765                         // Undo/Redo is a bit tricky for insets.
 766                         if (action == LFUN_UNDO) {
 767                                 owner->view()->menuUndo();
 768                                 goto exit_with_message;
 769                         } else if (action == LFUN_REDO) {
 770                                 owner->view()->menuRedo();
 771                                 goto exit_with_message;
 772                         } else if (((result=inset->
 773                                      // Hand-over to inset's own dispatch:
 774                                      localDispatch(owner->view().get(), action, argument)) ==
 775                                     UpdatableInset::DISPATCHED) ||
 776                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 777                                 goto exit_with_message;
 778                                         // If UNDISPATCHED, just soldier on
 779                         else if (result == UpdatableInset::FINISHED) {
 780                                 goto exit_with_message;
 781                                 // We do not need special RTL handling here:
 782                                 // FINISHED means that the cursor should be
 783                                 // one position after the inset.
 784                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 785                                 TEXT()->cursorRight(owner->view().get());
 786                                 moveCursorUpdate(true, false);
 787                                 owner->view_state_changed();
 788                                 goto exit_with_message;
 789                         } else if (result == UpdatableInset::FINISHED_UP) {
 790                                 if (TEXT()->cursor.irow()->previous()) {
 791 #if 1
 792                                         TEXT()->setCursorFromCoordinates(
 793                                                 owner->view().get(), TEXT()->cursor.ix() + inset_x,
 794                                                 TEXT()->cursor.iy() -
 795                                                 TEXT()->cursor.irow()->baseline() - 1);
 796                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 797 #else
 798                                         TEXT()->cursorUp(owner->view().get());
 799 #endif
 800                                         moveCursorUpdate(true, false);
 801                                         owner->view_state_changed();
 802                                 } else {
 803                                         owner->view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 804                                 }
 805                                 goto exit_with_message;
 806                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 807                                 if (TEXT()->cursor.irow()->next()) {
 808 #if 1
 809                                         TEXT()->setCursorFromCoordinates(
 810                                                 owner->view().get(), TEXT()->cursor.ix() + inset_x,
 811                                                 TEXT()->cursor.iy() -
 812                                                 TEXT()->cursor.irow()->baseline() +
 813                                                 TEXT()->cursor.irow()->height() + 1);
 814                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 815 #else
 816                                         TEXT()->cursorDown(owner->view().get());
 817 #endif
 818                                 } else {
 819                                         TEXT()->cursorRight(owner->view().get());
 820                                 }
 821                                 moveCursorUpdate(true, false);
 822                                 owner->view_state_changed();
 823                                 goto exit_with_message;
 824                         }
 825 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 826                         else { // result == UNDISPATCHED
 827                                 //setMessage(N_("Text mode"));
 828                                 switch (action) {
 829                                 case LFUN_UNKNOWN_ACTION:
 830                                 case LFUN_BREAKPARAGRAPH:
 831                                 case LFUN_BREAKLINE:
 832                                         TEXT()->cursorRight(owner->view().get());
 833                                         owner->view()->switchKeyMap();
 834                                         owner->view_state_changed();
 835                                         break;
 836                                 case LFUN_RIGHT:
 837                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 838                                                 TEXT()->cursorRight(owner->view().get());
 839                                                 moveCursorUpdate(true, false);
 840                                                 owner->view_state_changed();
 841                                         }
 842                                         goto exit_with_message;
 843                                 case LFUN_LEFT:
 844                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 845                                                 TEXT()->cursorRight(owner->view().get());
 846                                                 moveCursorUpdate(true, false);
 847                                                 owner->view_state_changed();
 848                                         }
 849                                         goto exit_with_message;
 850                                 case LFUN_DOWN:
 851                                         if (TEXT()->cursor.row()->next())
 852                                                 TEXT()->cursorDown(owner->view().get());
 853                                         else
 854                                                 TEXT()->cursorRight(owner->view().get());
 855                                         moveCursorUpdate(true, false);
 856                                         owner->view_state_changed();
 857                                         goto exit_with_message;
 858                                 default:
 859                                         break;
 860                                 }
 861                         }
 862                 }
 863         }
 864
 865         switch (action) {
 866
 867         case LFUN_ESCAPE:
 868         {
 869                 if (!owner->view()->available()) break;
 870                 // this function should be used always [asierra060396]
 871                 UpdatableInset * tli =
 872                         owner->view()->theLockingInset();
 873                 if (tli) {
 874                         UpdatableInset * lock = tli->getLockingInset();
 875
 876                         if (tli == lock) {
 877                                 owner->view()->unlockInset(tli);
 878                                 TEXT()->cursorRight(owner->view().get());
 879                                 moveCursorUpdate(true, false);
 880                                 owner->view_state_changed();
 881                         } else {
 882                                 tli->unlockInsetInInset(owner->view().get(),
 883                                                         lock,
 884                                                         true);
 885                         }
 886                         finishUndo();
 887                         // Tell the paragraph dialog that we changed paragraph
 888                         owner->getDialogs()->updateParagraph();
 889                 }
 890         }
 891         break;
 892
 893                 // --- Misc -------------------------------------------
 894         case LFUN_WORDFINDFORWARD  :
 895         case LFUN_WORDFINDBACKWARD : {
 896                 static string last_search;
 897                 string searched_string;
 898
 899                 if (!argument.empty()) {
 900                         last_search = argument;
 901                         searched_string = argument;
 902                 } else {
 903                         searched_string = last_search;
 904                 }
 905                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 906                 if (!searched_string.empty()) {
 907                         lyxfind::LyXFind(owner->view().get(), searched_string, fw);
 908                 }
 909 //              owner->view()->showCursor();
 910         }
 911         break;
 912
 913         case LFUN_PREFIX:
 914         {
 915                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
 916                         owner->view()->update(TEXT(),
 917                                               BufferView::SELECT|BufferView::FITCUR);
 918                 }
 919                 owner->message(keyseq.printOptions());
 920         }
 921         break;
 922
 923         // --- Misc -------------------------------------------
 924         case LFUN_EXEC_COMMAND:
 925                 owner->focus_command_buffer();
 926                 break;
 927
 928         case LFUN_CANCEL:                   // RVDK_PATCH_5
 929                 keyseq.reset();
 930                 meta_fake_bit = key_modifier::none;
 931                 if (owner->view()->available())
 932                         // cancel any selection
 933                         dispatch(LFUN_MARK_OFF);
 934                 setMessage(N_("Cancel"));
 935                 break;
 936
 937         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 938         {
 939                 meta_fake_bit = key_modifier::alt;
 940                 setMessage(keyseq.print());
 941         }
 942         break;
 943
 944         case LFUN_READ_ONLY_TOGGLE:
 945                 if (owner->buffer()->lyxvc.inUse()) {
 946                         owner->buffer()->lyxvc.toggleReadOnly();
 947                 } else {
 948                         owner->buffer()->setReadonly(
 949                                 !owner->buffer()->isReadonly());
 950                 }
 951                 break;
 952
 953         case LFUN_CENTER: // this is center and redraw.
 954                 owner->view()->center();
 955                 break;
 956
 957                 // --- Menus -----------------------------------------------
 958         case LFUN_MENUNEW:
 959                 menuNew(argument, false);
 960                 break;
 961
 962         case LFUN_MENUNEWTMPLT:
 963                 menuNew(argument, true);
 964                 break;
 965
 966         case LFUN_CLOSEBUFFER:
 967                 closeBuffer();
 968                 break;
 969
 970         case LFUN_MENUWRITE:
 971                 if (!owner->buffer()->isUnnamed()) {
 972                         ostringstream s1;
 973                         s1 << _("Saving document") << ' '
 974                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 975                         owner->message(s1.str().c_str());
 976                         MenuWrite(owner->view().get(), owner->buffer());
 977                         s1 << _(" done.");
 978                         owner->message(s1.str().c_str());
 979                 } else
 980                         WriteAs(owner->view().get(), owner->buffer());
 981                 break;
 982
 983         case LFUN_WRITEAS:
 984                 WriteAs(owner->view().get(), owner->buffer(), argument);
 985                 break;
 986
 987         case LFUN_MENURELOAD:
 988                 reloadBuffer();
 989                 break;
 990
 991         case LFUN_UPDATE:
 992                 Exporter::Export(owner->buffer(), argument, true);
 993                 break;
 994
 995         case LFUN_PREVIEW:
 996                 Exporter::Preview(owner->buffer(), argument);
 997                 break;
 998
 999         case LFUN_BUILDPROG:
1000                 Exporter::Export(owner->buffer(), "program", true);
1001                 break;
1002
1003         case LFUN_RUNCHKTEX:
1004                 MenuRunChktex(owner->buffer());
1005                 break;
1006
1007         case LFUN_MENUPRINT:
1008                 owner->getDialogs()->showPrint();
1009                 break;
1010
1011         case LFUN_EXPORT:
1012                 if (argument == "custom")
1013                         owner->getDialogs()->showSendto();
1014                 else
1015                         Exporter::Export(owner->buffer(), argument, false);
1016                 break;
1017
1018         case LFUN_IMPORT:
1019                 doImport(argument);
1020                 break;
1021
1022         case LFUN_QUIT:
1023                 QuitLyX();
1024                 break;
1025
1026         case LFUN_TOCVIEW:
1027 #if 0
1028         case LFUN_LOFVIEW:
1029         case LFUN_LOTVIEW:
1030         case LFUN_LOAVIEW:
1031 #endif
1032         {
1033                 InsetCommandParams p;
1034
1035 #if 0
1036                 if (action == LFUN_TOCVIEW)
1037 #endif
1038                         p.setCmdName("tableofcontents");
1039 #if 0
1040                 else if (action == LFUN_LOAVIEW)
1041                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1042                 else if (action == LFUN_LOFVIEW)
1043                         p.setCmdName("listoffigures");
1044                 else
1045                         p.setCmdName("listoftables");
1046 #endif
1047                 owner->getDialogs()->createTOC(p.getAsString());
1048                 break;
1049         }
1050
1051         case LFUN_AUTOSAVE:
1052                 AutoSave(owner->view().get());
1053                 break;
1054
1055         case LFUN_UNDO:
1056                 owner->view()->menuUndo();
1057                 break;
1058
1059         case LFUN_REDO:
1060                 owner->view()->menuRedo();
1061                 break;
1062
1063         case LFUN_MENUSEARCH:
1064                 owner->getDialogs()->showSearch();
1065                 break;
1066
1067         case LFUN_REMOVEERRORS:
1068                 if (owner->view()->removeAutoInsets()) {
1069 #warning repaint() or update() or nothing ?
1070                         owner->view()->repaint();
1071                         owner->view()->fitCursor();
1072                 }
1073                 break;
1074
1075         case LFUN_DEPTH_MIN:
1076                 changeDepth(owner->view().get(), TEXT(false), -1);
1077                 break;
1078
1079         case LFUN_DEPTH_PLUS:
1080                 changeDepth(owner->view().get(), TEXT(false), 1);
1081                 break;
1082
1083         case LFUN_FREE:
1084                 owner->getDialogs()->setUserFreeFont();
1085                 break;
1086
1087         case LFUN_RECONFIGURE:
1088                 Reconfigure(owner->view().get());
1089                 break;
1090
1091 #if 0
1092         case LFUN_FLOATSOPERATE:
1093                 if (argument == "openfoot")
1094                         owner->view()->allFloats(1,0);
1095                 else if (argument == "closefoot")
1096                         owner->view()->allFloats(0,0);
1097                 else if (argument == "openfig")
1098                         owner->view()->allFloats(1,1);
1099                 else if (argument == "closefig")
1100                         owner->view()->allFloats(0,1);
1101                 break;
1102 #else
1103 #ifdef WITH_WARNINGS
1104 //#warning Find another implementation here (or another lyxfunc)!
1105 #endif
1106 #endif
1107         case LFUN_HELP_ABOUTLYX:
1108                 owner->getDialogs()->showAboutlyx();
1109                 break;
1110
1111         case LFUN_HELP_TEXINFO:
1112                 owner->getDialogs()->showTexinfo();
1113                 break;
1114
1115         case LFUN_HELP_OPEN:
1116         {
1117                 string const arg = argument;
1118                 if (arg.empty()) {
1119                         setErrorMessage(N_("Missing argument"));
1120                         break;
1121                 }
1122                 owner->prohibitInput();
1123                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1124                 if (fname.empty()) {
1125                         lyxerr << "LyX: unable to find documentation file `"
1126                                << arg << "'. Bad installation?" << endl;
1127                         owner->allowInput();
1128                         break;
1129                 }
1130                 ostringstream str;
1131                 str << _("Opening help file") << ' '
1132                     << MakeDisplayPath(fname) << "...";
1133                 owner->message(str.str().c_str());
1134                 owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
1135                 owner->allowInput();
1136                 break;
1137         }
1138
1139                 // --- version control -------------------------------
1140         case LFUN_VC_REGISTER:
1141         {
1142                 if (!owner->buffer()->lyxvc.inUse())
1143                         owner->buffer()->lyxvc.registrer();
1144         }
1145         break;
1146
1147         case LFUN_VC_CHECKIN:
1148         {
1149                 if (owner->buffer()->lyxvc.inUse()
1150                     && !owner->buffer()->isReadonly())
1151                         owner->buffer()->lyxvc.checkIn();
1152         }
1153         break;
1154
1155         case LFUN_VC_CHECKOUT:
1156         {
1157                 if (owner->buffer()->lyxvc.inUse()
1158                     && owner->buffer()->isReadonly())
1159                         owner->buffer()->lyxvc.checkOut();
1160         }
1161         break;
1162
1163         case LFUN_VC_REVERT:
1164         {
1165                 owner->buffer()->lyxvc.revert();
1166         }
1167         break;
1168
1169         case LFUN_VC_UNDO:
1170         {
1171                 owner->buffer()->lyxvc.undoLast();
1172         }
1173         break;
1174
1175         case LFUN_VC_HISTORY:
1176         {
1177                 owner->getDialogs()->showVCLogFile();
1178                 break;
1179         }
1180
1181         // --- buffers ----------------------------------------
1182
1183         case LFUN_SWITCHBUFFER:
1184                 owner->view()->buffer(bufferlist.getBuffer(argument));
1185                 break;
1186
1187         case LFUN_FILE_NEW:
1188         {
1189                 // servercmd: argument must be <file>:<template>
1190                 Buffer * tmpbuf = NewFile(argument);
1191                 if (tmpbuf)
1192                         owner->view()->buffer(tmpbuf);
1193         }
1194         break;
1195
1196         case LFUN_FILE_OPEN:
1197                 open(argument);
1198                 break;
1199
1200         case LFUN_LATEX_LOG:
1201                 owner->getDialogs()->showLogFile();
1202                 break;
1203
1204         case LFUN_LAYOUT_DOCUMENT:
1205                 owner->getDialogs()->showDocument();
1206                 break;
1207
1208         case LFUN_LAYOUT_PARAGRAPH:
1209                 owner->getDialogs()->showParagraph();
1210                 break;
1211
1212         case LFUN_LAYOUT_CHARACTER:
1213                 owner->getDialogs()->showCharacter();
1214                 break;
1215
1216         case LFUN_LAYOUT_TABULAR:
1217             if (owner->view()->theLockingInset()) {
1218                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1219                     InsetTabular * inset = static_cast<InsetTabular *>
1220                         (owner->view()->theLockingInset());
1221                     inset->openLayoutDialog(owner->view().get());
1222                 } else if (owner->view()->theLockingInset()->
1223                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1224                     InsetTabular * inset = static_cast<InsetTabular *>(
1225                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1226                     inset->openLayoutDialog(owner->view().get());
1227                 }
1228             }
1229             break;
1230
1231         case LFUN_LAYOUT_PREAMBLE:
1232                 owner->getDialogs()->showPreamble();
1233                 break;
1234
1235         case LFUN_DROP_LAYOUTS_CHOICE:
1236                 owner->getToolbar()->openLayoutList();
1237                 break;
1238
1239         case LFUN_MENU_OPEN_BY_NAME:
1240                 owner->getMenubar()->openByName(argument);
1241                 break; // RVDK_PATCH_5
1242
1243         case LFUN_SPELLCHECK:
1244                 owner->getDialogs()->showSpellchecker();
1245                 break;
1246
1247         // --- lyxserver commands ----------------------------
1248
1249
1250         case LFUN_GETNAME:
1251                 setMessage(owner->buffer()->fileName());
1252                 lyxerr[Debug::INFO] << "FNAME["
1253                                << owner->buffer()->fileName()
1254                                << "] " << endl;
1255                 break;
1256
1257         case LFUN_NOTIFY:
1258         {
1259                 dispatch_buffer = keyseq.print();
1260                 lyxserver->notifyClient(dispatch_buffer);
1261         }
1262         break;
1263
1264         case LFUN_GOTOFILEROW:
1265         {
1266                 string file_name;
1267                 int row;
1268                 istringstream istr(argument.c_str());
1269                 istr >> file_name >> row;
1270                 // Must replace extension of the file to be .lyx and get full path
1271                 string const s(ChangeExtension(file_name, ".lyx"));
1272
1273                 // Either change buffer or load the file
1274                 if (bufferlist.exists(s)) {
1275                         owner->view()->buffer(bufferlist.getBuffer(s));
1276                 } else {
1277                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1278                 }
1279
1280                 owner->view()->setCursorFromRow(row);
1281
1282                 owner->view()->center();
1283                 // see BufferView_pimpl::center()
1284                 owner->view()->updateScrollbar();
1285         }
1286         break;
1287
1288         case LFUN_GOTO_PARAGRAPH:
1289         {
1290                 istringstream istr(argument.c_str());
1291
1292                 int id;
1293                 istr >> id;
1294                 Paragraph * par = owner->buffer()->getParFromID(id);
1295                 if (par == 0) {
1296                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1297                                             << id << "]" << endl;
1298                         break;
1299                 } else {
1300                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1301                                             << " found." << endl;
1302                 }
1303
1304                 if (owner->view()->theLockingInset())
1305                         owner->view()->unlockInset(owner->view()->theLockingInset());
1306                 if (par->inInset()) {
1307                         par->inInset()->edit(owner->view().get());
1308                 }
1309                 // Set the cursor
1310                 owner->view()->getLyXText()->setCursor(owner->view().get(), par, 0);
1311                 owner->view()->switchKeyMap();
1312                 owner->view_state_changed();
1313
1314                 owner->view()->center();
1315                 // see BufferView_pimpl::center()
1316                 owner->view()->updateScrollbar();
1317         }
1318         break;
1319
1320         case LFUN_APROPOS:
1321         case LFUN_GETTIP:
1322         {
1323                 int const qa = lyxaction.LookupFunc(argument);
1324                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1325         }
1326         break;
1327
1328         // --- insert characters ----------------------------------------
1329
1330         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1331         case LFUN_MATH_EXTERN:
1332         case LFUN_MATH_NUMBER:
1333         case LFUN_MATH_NONUMBER:
1334         case LFUN_MATH_LIMITS:
1335         {
1336                 setErrorMessage(N_("This is only allowed in math mode!"));
1337         }
1338         break;
1339
1340         // passthrough hat and underscore outside mathed:
1341         case LFUN_SUBSCRIPT:
1342                 dispatch(LFUN_SELFINSERT, "_", false);
1343                 break;
1344         case LFUN_SUPERSCRIPT:
1345                 dispatch(LFUN_SELFINSERT, "^", false);
1346                 break;
1347
1348         case LFUN_MATH_PANEL:
1349                 owner->getDialogs()->showMathPanel();
1350                 break;
1351
1352         case LFUN_CITATION_CREATE:
1353         {
1354                 InsetCommandParams p("cite");
1355
1356                 if (!argument.empty()) {
1357                         // This should be set at source, ie when typing
1358                         // "citation-insert foo" in the minibuffer.
1359                         // Question: would pybibliographer also need to be
1360                         // changed. Suspect so. Leave as-is therefore.
1361                         if (contains(argument, "|")) {
1362                                 p.setContents(token(argument, '|', 0));
1363                                 p.setOptions( token(argument, '|', 1));
1364                         } else {
1365                                 p.setContents(argument);
1366                         }
1367                         dispatch(LFUN_CITATION_INSERT, p.getAsString());
1368                 } else
1369                         owner->getDialogs()->createCitation(p.getAsString());
1370         }
1371         break;
1372
1373         case LFUN_CHILDOPEN:
1374         {
1375                 string const filename =
1376                         MakeAbsPath(argument,
1377                                     owner->buffer()->filePath());
1378                 setMessage(N_("Opening child document ") +
1379                            MakeDisplayPath(filename) + "...");
1380                 owner->view()->savePosition(0);
1381                 if (bufferlist.exists(filename))
1382                         owner->view()->buffer(bufferlist.getBuffer(filename));
1383                 else
1384                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1385         }
1386         break;
1387
1388         case LFUN_TOGGLECURSORFOLLOW:
1389                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1390                 break;
1391
1392         case LFUN_KMAP_OFF:             // keymap off
1393                 owner->getIntl()->KeyMapOn(false);
1394                 break;
1395
1396         case LFUN_KMAP_PRIM:    // primary keymap
1397                 owner->getIntl()->KeyMapPrim();
1398                 break;
1399
1400         case LFUN_KMAP_SEC:             // secondary keymap
1401                 owner->getIntl()->KeyMapSec();
1402                 break;
1403
1404         case LFUN_KMAP_TOGGLE:  // toggle keymap
1405                 owner->getIntl()->ToggleKeyMap();
1406                 break;
1407
1408         case LFUN_SEQUENCE:
1409         {
1410                 // argument contains ';'-terminated commands
1411                 while (!argument.empty()) {
1412                         string first;
1413                         argument = split(argument, first, ';');
1414                         dispatch(first);
1415                 }
1416         }
1417         break;
1418
1419         case LFUN_DIALOG_PREFERENCES:
1420                 owner->getDialogs()->showPreferences();
1421                 break;
1422
1423         case LFUN_SAVEPREFERENCES:
1424         {
1425                 Path p(user_lyxdir);
1426                 lyxrc.write("preferences");
1427         }
1428         break;
1429
1430         case LFUN_SCREEN_FONT_UPDATE:
1431         {
1432                 // handle the screen font changes.
1433                 //
1434                 lyxrc.set_font_norm_type();
1435                 lyx_gui::update_fonts();
1436                 // Of course we should only do the resize and the textcache.clear
1437                 // if values really changed...but not very important right now. (Lgb)
1438                 // All visible buffers will need resize
1439                 owner->view()->resize();
1440                 owner->view()->repaint();
1441                 // We also need to empty the textcache so that
1442                 // the buffer will be formatted correctly after
1443                 // a zoom change.
1444                 textcache.clear();
1445         }
1446         break;
1447
1448         case LFUN_SET_COLOR:
1449         {
1450                 string lyx_name;
1451                 string const x11_name = split(argument, lyx_name, ' ');
1452                 if (lyx_name.empty() || x11_name.empty()) {
1453                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1454                                                 " <x11_name>"));
1455                         break;
1456                         }
1457
1458                 bool const graphicsbg_changed =
1459                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1460                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1461
1462                 if (!lcolor.setColor(lyx_name, x11_name)) {
1463                         static string const err1 (N_("Set-color \""));
1464                         static string const err2 (
1465                                 N_("\" failed - color is undefined "
1466                                    "or may not be redefined"));
1467                         setErrorMessage(_(err1) + lyx_name + _(err2));
1468                         break;
1469                 }
1470
1471                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1472
1473                 if (graphicsbg_changed) {
1474 #ifdef WITH_WARNINGS
1475 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1476 #endif
1477 #if 0
1478                         grfx::GCache & gc = grfx::GCache::get();
1479                         gc.changeDisplay(true);
1480 #endif
1481                 }
1482
1483                 owner->view()->repaint();
1484                 break;
1485         }
1486
1487         case LFUN_MESSAGE:
1488                 owner->message(argument);
1489                 break;
1490
1491         case LFUN_FORKS_SHOW:
1492                 owner->getDialogs()->showForks();
1493                 break;
1494
1495         case LFUN_FORKS_KILL:
1496         {
1497                 if (!isStrInt(argument))
1498                         break;
1499
1500                 pid_t const pid = strToInt(argument);
1501                 ForkedcallsController & fcc = ForkedcallsController::get();
1502                 fcc.kill(pid);
1503                 break;
1504         }
1505
1506         case LFUN_TOOLTIPS_TOGGLE:
1507                 owner->getDialogs()->toggleTooltips();
1508                 break;
1509
1510         default:
1511                 // Then if it was none of the above
1512                 // Trying the BufferView::pimpl dispatch:
1513                 if (!owner->view()->dispatch(action, argument))
1514                         lyxerr << "A truly unknown func ["
1515                                << lyxaction.getActionName(action) << "]!"
1516                                << endl;
1517                 break;
1518         } // end of switch
1519
1520 exit_with_message:
1521         string const & msg = getMessage();
1522         sendDispatchMessage(msg, action, argument, verbose);
1523 }
1524
1525
1526 void LyXFunc::sendDispatchMessage(string const & msg, kb_action action, string const & arg, bool verbose)
1527 {
1528         owner->updateMenubar();
1529         owner->updateToolbar();
1530
1531         if (action == LFUN_SELFINSERT || !verbose) {
1532                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1533                 if (!msg.empty())
1534                         owner->message(msg);
1535                 return;
1536         }
1537
1538         string dispatch_msg(msg);
1539         if (!dispatch_msg.empty())
1540                 dispatch_msg += " ";
1541
1542         string comname = lyxaction.getActionName(action);
1543
1544         int pseudoaction = action;
1545         bool argsadded = false;
1546
1547         if (!arg.empty()) {
1548                 // the pseudoaction is useful for the bindings
1549                 pseudoaction = lyxaction.searchActionArg(action, arg);
1550
1551                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1552                         pseudoaction = action;
1553                 } else {
1554                         comname += " " + arg;
1555                         argsadded = true;
1556                 }
1557         }
1558
1559         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1560
1561         if (!shortcuts.empty()) {
1562                 comname += ": " + shortcuts;
1563         } else if (!argsadded && !arg.empty()) {
1564                 comname += " " + arg;
1565         }
1566
1567         if (!comname.empty()) {
1568                 comname = rtrim(comname);
1569                 dispatch_msg += "(" + comname + ')';
1570         }
1571
1572         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1573         if (!dispatch_msg.empty())
1574                 owner->message(dispatch_msg);
1575 }
1576
1577
1578 void LyXFunc::setupLocalKeymap()
1579 {
1580         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1581         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1582 }
1583
1584
1585 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1586 {
1587         string initpath = lyxrc.document_path;
1588         string filename(name);
1589
1590         if (owner->view()->available()) {
1591                 string const trypath = owner->buffer()->filePath();
1592                 // If directory is writeable, use this as default.
1593                 if (IsDirWriteable(trypath))
1594                         initpath = trypath;
1595         }
1596
1597         static int newfile_number;
1598
1599         if (filename.empty()) {
1600                 filename = AddName(lyxrc.document_path,
1601                             "newfile" + tostr(++newfile_number) + ".lyx");
1602                 FileInfo fi(filename);
1603                 while (bufferlist.exists(filename) || fi.readable()) {
1604                         ++newfile_number;
1605                         filename = AddName(lyxrc.document_path,
1606                                     "newfile" + tostr(newfile_number) +
1607                                     ".lyx");
1608                         fi.newFile(filename);
1609                 }
1610         }
1611
1612         // The template stuff
1613         string templname;
1614         if (fromTemplate) {
1615                 FileDialog fileDlg(owner, _("Select template file"),
1616                         LFUN_SELECT_FILE_SYNC,
1617                         make_pair(string(_("Documents|#o#O")),
1618                                   string(lyxrc.document_path)),
1619                         make_pair(string(_("Templates|#T#t")),
1620                                   string(lyxrc.template_path)));
1621
1622                 FileDialog::Result result =
1623                         fileDlg.Select(lyxrc.template_path,
1624                                        _("*.lyx|LyX Documents (*.lyx)"));
1625
1626                 if (result.first == FileDialog::Later)
1627                         return;
1628
1629                 string const fname = result.second;
1630
1631                 if (fname.empty())
1632                         return;
1633                 templname = fname;
1634         }
1635
1636         owner->view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1637 }
1638
1639
1640 void LyXFunc::open(string const & fname)
1641 {
1642         string initpath = lyxrc.document_path;
1643
1644         if (owner->view()->available()) {
1645                 string const trypath = owner->buffer()->filePath();
1646                 // If directory is writeable, use this as default.
1647                 if (IsDirWriteable(trypath))
1648                         initpath = trypath;
1649         }
1650
1651         string filename;
1652
1653         if (fname.empty()) {
1654                 FileDialog fileDlg(owner, _("Select document to open"),
1655                         LFUN_FILE_OPEN,
1656                         make_pair(string(_("Documents|#o#O")),
1657                                   string(lyxrc.document_path)),
1658                         make_pair(string(_("Examples|#E#e")),
1659                                   string(AddPath(system_lyxdir, "examples"))));
1660
1661                 FileDialog::Result result =
1662                         fileDlg.Select(initpath,
1663                                        "*.lyx|LyX Documents (*.lyx)");
1664
1665                 if (result.first == FileDialog::Later)
1666                         return;
1667
1668                 filename = result.second;
1669
1670                 // check selected filename
1671                 if (filename.empty()) {
1672                         owner->message(_("Canceled."));
1673                         return;
1674                 }
1675         } else
1676                 filename = fname;
1677
1678         // get absolute path of file and add ".lyx" to the filename if
1679         // necessary
1680         string const fullpath = FileSearch(string(), filename, "lyx");
1681         if (!fullpath.empty()) {
1682                 filename = fullpath;
1683         }
1684
1685         string const disp_fn(MakeDisplayPath(filename));
1686
1687         // if the file doesn't exist, let the user create one
1688         FileInfo const f(filename, true);
1689         if (!f.exist()) {
1690                 if (!Alert::askQuestion(_("No such file"), disp_fn,
1691                         _("Start a new document with this filename ?"))) {
1692                         owner->message(_("Canceled"));
1693                         return;
1694                 }
1695                 // the user specifically chose this name. Believe them.
1696                 Buffer * buffer =  bufferlist.newFile(filename, "", true);
1697                 owner->view()->buffer(buffer);
1698                 return;
1699         }
1700
1701         ostringstream str;
1702         str << _("Opening document") << ' ' << disp_fn << "...";
1703
1704         owner->message(str.str().c_str());
1705
1706         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1707         if (openbuf) {
1708                 owner->view()->buffer(openbuf);
1709                 ostringstream str;
1710                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1711                 owner->message(str.str().c_str());
1712         } else {
1713                 ostringstream str;
1714                 str << _("Could not open document") << ' ' << disp_fn;
1715                 owner->message(str.str().c_str());
1716         }
1717 }
1718
1719
1720 void LyXFunc::doImport(string const & argument)
1721 {
1722         string format;
1723         string filename = split(argument, format, ' ');
1724
1725         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1726                             << " file: " << filename << endl;
1727
1728         // need user interaction
1729         if (filename.empty()) {
1730                 string initpath = lyxrc.document_path;
1731
1732                 if (owner->view()->available()) {
1733                         string const trypath = owner->buffer()->filePath();
1734                         // If directory is writeable, use this as default.
1735                         if (IsDirWriteable(trypath))
1736                                 initpath = trypath;
1737                 }
1738
1739                 string const text = _("Select ") + formats.prettyName(format)
1740                         + _(" file to import");
1741
1742                 FileDialog fileDlg(owner, text,
1743                         LFUN_IMPORT,
1744                         make_pair(string(_("Documents|#o#O")),
1745                                   string(lyxrc.document_path)),
1746                         make_pair(string(_("Examples|#E#e")),
1747                                   string(AddPath(system_lyxdir, "examples"))));
1748
1749                 string const extension = "*." + formats.extension(format)
1750                         + "| " + formats.prettyName(format)
1751                         + " (*." + formats.extension(format) + ")";
1752
1753                 FileDialog::Result result = fileDlg.Select(initpath,
1754                                                            extension);
1755
1756                 if (result.first == FileDialog::Later)
1757                         return;
1758
1759                 filename = result.second;
1760
1761                 // check selected filename
1762                 if (filename.empty())
1763                         owner->message(_("Canceled."));
1764         }
1765
1766         if (filename.empty())
1767                 return;
1768
1769         // get absolute path of file
1770         filename = MakeAbsPath(filename);
1771
1772         string const lyxfile = ChangeExtension(filename, ".lyx");
1773
1774         // Check if the document already is open
1775         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1776                 switch (Alert::askConfirmation(_("Document is already open:"),
1777                                         MakeDisplayPath(lyxfile, 50),
1778                                         _("Do you want to close that document now?\n"
1779                                           "('No' will just switch to the open version)")))
1780                         {
1781                         case 1:
1782                                 // If close is canceled, we cancel here too.
1783                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1784                                         return;
1785                                 break;
1786                         case 2:
1787                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1788                                 return;
1789                         case 3:
1790                                 owner->message(_("Canceled."));
1791                                 return;
1792                         }
1793         }
1794
1795         // if the file exists already, and we didn't do
1796         // -i lyx thefile.lyx, warn
1797         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1798                 if (!Alert::askQuestion(_("A document by the name"),
1799                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1800                         owner->message(_("Canceled"));
1801                         return;
1802                 }
1803         }
1804
1805         Importer::Import(owner, filename, format);
1806 }
1807
1808
1809 void LyXFunc::reloadBuffer()
1810 {
1811         string const fn = owner->buffer()->fileName();
1812         if (bufferlist.close(owner->buffer()))
1813                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1814 }
1815
1816
1817 void LyXFunc::closeBuffer()
1818 {
1819         if (bufferlist.close(owner->buffer()) && !quitting) {
1820                 if (bufferlist.empty()) {
1821                         // need this otherwise SEGV may occur while trying to
1822                         // set variables that don't exist
1823                         // since there's no current buffer
1824                         owner->getDialogs()->hideBufferDependent();
1825                 } else {
1826                         owner->view()->buffer(bufferlist.first());
1827                 }
1828         }
1829 }
1830
1831
1832 // Each "owner" should have it's own message method. lyxview and
1833 // the minibuffer would use the minibuffer, but lyxserver would
1834 // send an ERROR signal to its client.  Alejandro 970603
1835 // This func is bit problematic when it comes to NLS, to make the
1836 // lyx servers client be language indepenent we must not translate
1837 // strings sent to this func.
1838 void LyXFunc::setErrorMessage(string const & m) const
1839 {
1840         dispatch_buffer = m;
1841         errorstat = true;
1842 }
1843
1844
1845 void LyXFunc::setMessage(string const & m) const
1846 {
1847         dispatch_buffer = m;
1848 }
1849
1850
1851 void LyXFunc::setStatusMessage(string const & m) const
1852 {
1853         status_buffer = m;
1854 }
1855
1856
1857 string const LyXFunc::view_status_message()
1858 {
1859         // When meta-fake key is pressed, show the key sequence so far + "M-".
1860         if (wasMetaKey()) {
1861                 return keyseq.print() + "M-";
1862         }
1863
1864         // Else, when a non-complete key sequence is pressed,
1865         // show the available options.
1866         if (keyseq.length() > 0 && !keyseq.deleted()) {
1867                 return keyseq.printOptions();
1868         }
1869
1870         if (!owner->view()->available())
1871                 return _("Welcome to LyX!");
1872
1873         return currentState(owner->view().get());
1874 }