src/lyxfunc.C

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