src/lyxfunc.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "lyxfunc.h"
  18 #include "version.h"
  19 #include "kbmap.h"
  20 #include "lyxrow.h"
  21 #include "bufferlist.h"
  22 #include "BufferView.h"
  23 #include "lyxserver.h"
  24 #include "intl.h"
  25 #include "lyx_main.h"
  26 #include "lyx_cb.h"
  27 #include "LyXAction.h"
  28 #include "debug.h"
  29 #include "lyxrc.h"
  30 #include "lyxtext.h"
  31 #include "gettext.h"
  32 #include "Lsstream.h"
  33 #include "trans_mgr.h"
  34 #include "layout.h"
  35 #include "bufferview_funcs.h"
  36 #include "frontends/LyXView.h"
  37 #include "frontends/lyx_gui.h"
  38 #include "vspace.h"
  39 #include "FloatList.h"
  40 #include "converter.h"
  41 #include "exporter.h"
  42 #include "importer.h"
  43 #include "TextCache.h"
  44 #include "lyxfind.h"
  45 #include "undo_funcs.h"
  46 #include "ParagraphParameters.h"
  47
  48 #include "insets/inseturl.h"
  49 #include "insets/insetlatexaccent.h"
  50 #include "insets/insettoc.h"
  51 #include "insets/insetref.h"
  52 #include "insets/insetparent.h"
  53 #include "insets/insetindex.h"
  54 #include "insets/insetinclude.h"
  55 #include "insets/insetbib.h"
  56 #include "insets/insetcite.h"
  57 #include "insets/insettext.h"
  58 #include "insets/insetert.h"
  59 #include "insets/insetexternal.h"
  60 #include "insets/insetgraphics.h"
  61 #include "insets/insetfoot.h"
  62 #include "insets/insetmarginal.h"
  63 #include "insets/insetminipage.h"
  64 #include "insets/insetfloat.h"
  65 #if 0
  66 #include "insets/insetlist.h"
  67 #include "insets/insettheorem.h"
  68 #endif
  69 #include "insets/insettabular.h"
  70 #include "insets/insetcaption.h"
  71
  72 #include "mathed/formulamacro.h"
  73 #include "mathed/math_cursor.h"
  74 #include "mathed/math_inset.h"
  75
  76 #include "frontends/FileDialog.h"
  77 #include "frontends/Dialogs.h"
  78 #include "frontends/Toolbar.h"
  79 #include "frontends/Menubar.h"
  80 #include "frontends/Alert.h"
  81
  82 #include "graphics/GraphicsCache.h"
  83
  84 #include "support/lyxalgo.h"
  85 #include "support/LAssert.h"
  86 #include "support/filetools.h"
  87 #include "support/FileInfo.h"
  88 #include "support/forkedcontr.h"
  89 #include "support/lstrings.h"
  90 #include "support/path.h"
  91 #include "support/lyxfunctional.h"
  92
  93 #include <ctime>
  94 #include <clocale>
  95 #include <cstdlib>
  96 #include <cctype>
  97
  98 #include <utility>
  99 #include <algorithm>
 100
 101 using std::pair;
 102 using std::make_pair;
 103 using std::endl;
 104 using std::find_if;
 105 using std::vector;
 106 using std::transform;
 107 using std::back_inserter;
 108
 109 extern BufferList bufferlist;
 110 extern LyXServer * lyxserver;
 111 extern bool selection_possible;
 112
 113 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 114
 115 extern void show_symbols_form(LyXFunc *);
 116
 117 extern LyXAction lyxaction;
 118 // (alkis)
 119 extern tex_accent_struct get_accent(kb_action action);
 120
 121 extern void ShowLatexLog();
 122
 123
 124 /* === globals =========================================================== */
 125
 126
 127 LyXFunc::LyXFunc(LyXView * o)
 128         : owner(o),
 129         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 130         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get())
 131 {
 132         meta_fake_bit = key_modifier::none;
 133         lyx_dead_action = LFUN_NOACTION;
 134         lyx_calling_dead_action = LFUN_NOACTION;
 135 }
 136
 137
 138 inline
 139 LyXText * LyXFunc::TEXT(bool flag = true) const
 140 {
 141         if (flag)
 142                 return owner->view()->text;
 143         return owner->view()->getLyXText();
 144 }
 145
 146
 147 inline
 148 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 149 {
 150         if (selecting || TEXT(flag)->selection.mark()) {
 151                 TEXT(flag)->setSelection(owner->view());
 152                 if (TEXT(flag)->bv_owner)
 153                     owner->view()->toggleToggle();
 154         }
 155         owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 156         owner->view()->showCursor();
 157
 158         owner->view()->switchKeyMap();
 159 }
 160
 161
 162 void LyXFunc::handleKeyFunc(kb_action action)
 163 {
 164         char c = keyseq.getLastKeyEncoded();
 165
 166         if (keyseq.length() > 1) {
 167                 c = 0;
 168         }
 169
 170         owner->getIntl()->getTransManager()
 171                 .deadkey(c, get_accent(action).accent, TEXT(false));
 172         // Need to clear, in case the minibuffer calls these
 173         // actions
 174         keyseq.clear();
 175         // copied verbatim from do_accent_char
 176         owner->view()->update(TEXT(false),
 177                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 178         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 179 }
 180
 181
 182 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 183                             key_modifier::state state)
 184 {
 185         string argument;
 186
 187         if (lyxerr.debugging(Debug::KEY)) {
 188                 lyxerr << "KeySym is "
 189                        << keysym->getSymbolName()
 190                        << endl;
 191         }
 192         // Do nothing if we have nothing (JMarc)
 193         if ( ! keysym->isOK() ) {
 194                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 195                                    << endl;
 196                 return;
 197         }
 198
 199         if (keysym->isModifier()) {
 200                 return;
 201         }
 202
 203         // Do a one-deep top-level lookup for
 204         // cancel and meta-fake keys. RVDK_PATCH_5
 205         cancel_meta_seq.reset();
 206
 207         int action = cancel_meta_seq.addkey(keysym, state);
 208         if (lyxerr.debugging(Debug::KEY)) {
 209                 lyxerr << "action first set to [" << action << "]" << endl;
 210         }
 211
 212         // When not cancel or meta-fake, do the normal lookup.
 213         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 214         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 215         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 216                 // remove Caps Lock and Mod2 as a modifiers
 217                 action = keyseq.addkey(keysym, (state | meta_fake_bit));
 218                 if (lyxerr.debugging(Debug::KEY)) {
 219                         lyxerr << "action now set to ["
 220                                << action << "]" << endl;
 221                 }
 222         }
 223         // Dont remove this unless you know what you are doing.
 224         meta_fake_bit = key_modifier::none;
 225
 226         // can this happen now ?
 227         if (action == LFUN_NOACTION) {
 228                 action = LFUN_PREFIX;
 229         }
 230
 231         if (lyxerr.debugging(Debug::KEY)) {
 232                 lyxerr << "Key [action="
 233                        << action << "]["
 234                        << keyseq.print() << "]"
 235                        << endl;
 236         }
 237
 238         // already here we know if it any point in going further
 239         // why not return already here if action == -1 and
 240         // num_bytes == 0? (Lgb)
 241
 242         if (keyseq.length() > 1) {
 243                 owner->message(keyseq.print());
 244         }
 245
 246         if (action == LFUN_UNKNOWN_ACTION) {
 247                 // It is unknown, but what if we remove all
 248                 // the modifiers? (Lgb)
 249                 action = keyseq.addkey(keysym, key_modifier::none);
 250
 251                 if (lyxerr.debugging(Debug::KEY)) {
 252                         lyxerr << "Removing modifiers...\n"
 253                                << "Action now set to ["
 254                                << action << "]" << endl;
 255                 }
 256                 if (action == LFUN_UNKNOWN_ACTION) {
 257                         owner->message(_("Unknown function."));
 258                         return;
 259                 }
 260         }
 261
 262         if (action == LFUN_SELFINSERT) {
 263                 // This is very X dependent.
 264                 char c = keysym->getISOEncoded();
 265                 string argument;
 266
 267                 if (c != 0)
 268                         argument = c;
 269
 270                 dispatch(LFUN_SELFINSERT, argument);
 271                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 272                                    << argument << "']" << endl;
 273         } else {
 274                 dispatch(action);
 275         }
 276 }
 277
 278
 279 FuncStatus LyXFunc::getStatus(int ac) const
 280 {
 281         kb_action action;
 282         string argument;
 283         action = lyxaction.retrieveActionArg(ac, argument);
 284         return getStatus(action, argument);
 285 }
 286
 287
 288 FuncStatus LyXFunc::getStatus(kb_action action,
 289                               string const & argument) const
 290 {
 291         FuncStatus flag;
 292         Buffer * buf = owner->buffer();
 293
 294         if (action == LFUN_NOACTION) {
 295                 setStatusMessage(N_("Nothing to do"));
 296                 return flag.disabled(true);
 297         }
 298
 299         if (action == LFUN_UNKNOWN_ACTION) {
 300                 setStatusMessage(N_("Unknown action"));
 301                 return flag.unknown(true);
 302         }
 303
 304         // the default error message if we disable the command
 305         setStatusMessage(N_("Command disabled"));
 306
 307         // Check whether we need a buffer
 308         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 309                 // Yes we need a buffer, do we have one?
 310                 if (buf) {
 311                         // yes
 312                         // Can we use a readonly buffer?
 313                         if (buf->isReadonly() &&
 314                             !lyxaction.funcHasFlag(action,
 315                                                    LyXAction::ReadOnly)) {
 316                                 // no
 317                                 setStatusMessage(N_("Document is read-only"));
 318                                 flag.disabled(true);
 319                         }
 320                 } else {
 321                         // no
 322                         setStatusMessage(N_("Command not allowed with"
 323                                            "out any document open"));
 324                         return flag.disabled(true);
 325                 }
 326         }
 327
 328         UpdatableInset * tli = owner->view()->theLockingInset();
 329
 330         // I would really like to avoid having this switch and rather try to
 331         // encode this in the function itself.
 332         bool disable = false;
 333         switch (action) {
 334         case LFUN_MENUPRINT:
 335                 disable = !Exporter::IsExportable(buf, "dvi")
 336                         || lyxrc.print_command == "none";
 337                 break;
 338         case LFUN_EXPORT:
 339                 disable = argument == "fax" &&
 340                         !Exporter::IsExportable(buf, argument);
 341                 break;
 342         case LFUN_UNDO:
 343                 disable = buf->undostack.empty();
 344                 break;
 345         case LFUN_REDO:
 346                 disable = buf->redostack.empty();
 347                 break;
 348         case LFUN_SPELLCHECK:
 349                 disable = lyxrc.isp_command == "none";
 350                 break;
 351 #ifndef HAVE_LIBAIKSAURUS
 352         case LFUN_THESAURUS_ENTRY:
 353                 disable = true;
 354                 break;
 355 #endif
 356         case LFUN_RUNCHKTEX:
 357                 disable = lyxrc.chktex_command == "none";
 358                 break;
 359         case LFUN_BUILDPROG:
 360                 disable = !Exporter::IsExportable(buf, "program");
 361                 break;
 362
 363         case LFUN_LAYOUT_CHARACTER:
 364                 disable = tli && tli->lyxCode() == Inset::ERT_CODE;
 365                 break;
 366
 367         case LFUN_LAYOUT_TABULAR:
 368                 disable = !tli
 369                         || (tli->lyxCode() != Inset::TABULAR_CODE
 370                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 371                 break;
 372
 373         case LFUN_LAYOUT:
 374         case LFUN_LAYOUT_PARAGRAPH: {
 375                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 376                 disable = inset && inset->forceDefaultParagraphs(inset);
 377                 break;
 378         }
 379
 380         case LFUN_TABULAR_FEATURE:
 381                 disable = true;
 382                 if (tli) {
 383                         FuncStatus ret;
 384                         //ret.disabled(true);
 385                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 386                                 ret = static_cast<InsetTabular *>(tli)
 387                                         ->getStatus(argument);
 388                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 389                                 ret = static_cast<InsetTabular *>
 390                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 391                                         ->getStatus(argument);
 392                         }
 393                         flag |= ret;
 394                         disable = false;
 395                 } else {
 396                         static InsetTabular inset(*owner->buffer(), 1, 1);
 397                         FuncStatus ret;
 398
 399                         disable = true;
 400                         ret = inset.getStatus(argument);
 401                         if (ret.onoff(true) || ret.onoff(false))
 402                                 flag.setOnOff(false);
 403                 }
 404                 break;
 405
 406         case LFUN_VC_REGISTER:
 407                 disable = buf->lyxvc.inUse();
 408                 break;
 409         case LFUN_VC_CHECKIN:
 410                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 411                 break;
 412         case LFUN_VC_CHECKOUT:
 413                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 414                 break;
 415         case LFUN_VC_REVERT:
 416         case LFUN_VC_UNDO:
 417         case LFUN_VC_HISTORY:
 418                 disable = !buf->lyxvc.inUse();
 419                 break;
 420         case LFUN_BOOKMARK_GOTO:
 421                 disable =  !owner->view()->
 422                         isSavedPosition(strToUnsignedInt(argument));
 423                 break;
 424         case LFUN_INSET_TOGGLE: {
 425                 LyXText * lt = owner->view()->getLyXText();
 426                 disable = !(isEditableInset(lt->getInset())
 427                             || (lt->inset_owner
 428                                 && lt->inset_owner->owner()
 429                                 && lt->inset_owner->owner()->isOpen()));
 430                 break;
 431         }
 432         case LFUN_LATEX_LOG:
 433                 disable = !IsFileReadable(buf->getLogName().second);
 434                 break;
 435         case LFUN_MATH_VALIGN:
 436                 if (mathcursor && mathcursor->formula()->hullType() != "simple") {
 437                         char align = mathcursor->valign();
 438                         if (align == '\0') {
 439                                 disable = true;
 440                                 break;
 441                         }
 442                         if (argument.empty()) {
 443                                 flag.clear();
 444                                 break;
 445                         }
 446                         if (!contains("tcb", argument[0])) {
 447                                 disable = true;
 448                                 break;
 449                         }
 450                         flag.setOnOff(argument[0] == align);
 451                 } else
 452                         disable = true;
 453                 break;
 454
 455         case LFUN_MATH_HALIGN:
 456                 if (mathcursor && mathcursor->formula()->hullType() != "simple") {
 457                         char align = mathcursor->halign();
 458                         if (align == '\0') {
 459                                 disable = true;
 460                                 break;
 461                         }
 462                         if (argument.empty()) {
 463                                 flag.clear();
 464                                 break;
 465                         }
 466                         if (!contains("lcr", argument[0])) {
 467                                 disable = true;
 468                                 break;
 469                         }
 470                         flag.setOnOff(argument[0] == align);
 471                 } else
 472                         disable = true;
 473                 break;
 474
 475         case LFUN_MATH_MUTATE:
 476                 if (tli && (tli->lyxCode() == Inset::MATH_CODE))
 477                         flag.setOnOff(mathcursor->formula()->hullType() == argument);
 478                 else
 479                         disable = true;
 480                 break;
 481
 482         // we just need to be in math mode to enable that
 483         case LFUN_MATH_SIZE:
 484         case LFUN_MATH_SPACE:
 485         case LFUN_MATH_LIMITS:
 486         case LFUN_MATH_NONUMBER:
 487         case LFUN_MATH_NUMBER:
 488                 disable = !mathcursor;
 489                 break;
 490
 491         // we need to be math mode and a math array for that
 492         // Hack: halign produces non-zero result iff we are in a math array
 493         case LFUN_MATH_ROW_INSERT:
 494         case LFUN_MATH_ROW_DELETE:
 495         case LFUN_MATH_COLUMN_INSERT:
 496         case LFUN_MATH_COLUMN_DELETE:
 497                 disable = !mathcursor || !mathcursor->halign() ||
 498                         mathcursor->formula()->hullType() == "simple";
 499                 break;
 500
 501         default:
 502                 break;
 503         }
 504
 505         // the functions which insert insets
 506         Inset::Code code = Inset::NO_CODE;
 507         switch (action) {
 508         case LFUN_INSET_ERT:
 509                 code = Inset::ERT_CODE;
 510                 break;
 511         case LFUN_INSET_GRAPHICS:
 512                 code = Inset::GRAPHICS_CODE;
 513                 break;
 514         case LFUN_INSET_FOOTNOTE:
 515                 code = Inset::FOOT_CODE;
 516                 break;
 517         case LFUN_DIALOG_TABULAR_INSERT:
 518         case LFUN_INSET_TABULAR:
 519                 code = Inset::TABULAR_CODE;
 520                 break;
 521         case LFUN_INSET_EXTERNAL:
 522                 code = Inset::EXTERNAL_CODE;
 523                 break;
 524         case LFUN_INSET_MARGINAL:
 525                 code = Inset::MARGIN_CODE;
 526                 break;
 527         case LFUN_INSET_MINIPAGE:
 528                 code = Inset::MINIPAGE_CODE;
 529                 break;
 530         case LFUN_INSET_FLOAT:
 531         case LFUN_INSET_WIDE_FLOAT:
 532                 code = Inset::FLOAT_CODE;
 533                 break;
 534         case LFUN_FLOAT_LIST:
 535                 code = Inset::FLOAT_LIST_CODE;
 536                 break;
 537 #if 0
 538         case LFUN_INSET_LIST:
 539                 code = Inset::LIST_CODE;
 540                 break;
 541         case LFUN_INSET_THEOREM:
 542                 code = Inset::THEOREM_CODE;
 543                 break;
 544 #endif
 545         case LFUN_INSET_CAPTION:
 546                 code = Inset::CAPTION_CODE;
 547                 break;
 548         case LFUN_INSERT_NOTE:
 549                 code = Inset::IGNORE_CODE;
 550                 break;
 551         case LFUN_INSERT_LABEL:
 552                 code = Inset::LABEL_CODE;
 553                 break;
 554         case LFUN_REF_INSERT:
 555                 code = Inset::REF_CODE;
 556                 break;
 557         case LFUN_CITATION_CREATE:
 558         case LFUN_CITATION_INSERT:
 559                 code = Inset::CITE_CODE;
 560                 break;
 561         case LFUN_INSERT_BIBTEX:
 562                 code = Inset::BIBTEX_CODE;
 563                 break;
 564         case LFUN_INDEX_INSERT:
 565                 code = Inset::INDEX_CODE;
 566                 break;
 567         case LFUN_INDEX_PRINT:
 568                 code = Inset::INDEX_PRINT_CODE;
 569                 break;
 570         case LFUN_CHILD_INSERT:
 571                 code = Inset::INCLUDE_CODE;
 572                 break;
 573         case LFUN_TOC_INSERT:
 574                 code = Inset::TOC_CODE;
 575                 break;
 576         case LFUN_PARENTINSERT:
 577                 code = Inset::PARENT_CODE;
 578                 break;
 579         case LFUN_HTMLURL:
 580         case LFUN_URL:
 581         case LFUN_INSERT_URL:
 582                 code = Inset::URL_CODE;
 583                 break;
 584         case LFUN_QUOTE:
 585                 // always allow this, since we will inset a raw quote
 586                 // if an inset is not allowed.
 587                 break;
 588         case LFUN_HYPHENATION:
 589         case LFUN_LIGATURE_BREAK:
 590         case LFUN_HFILL:
 591         case LFUN_MENU_SEPARATOR:
 592         case LFUN_LDOTS:
 593         case LFUN_END_OF_SENTENCE:
 594                 code = Inset::SPECIALCHAR_CODE;
 595                 break;
 596         case LFUN_PROTECTEDSPACE:
 597                 // slight hack: we know this is allowed in math mode
 598                 if (!mathcursor)
 599                         code = Inset::SPECIALCHAR_CODE;
 600                 break;
 601         default:
 602                 break;
 603         }
 604         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code)) {
 605                 disable = true;
 606         }
 607
 608         if (disable)
 609                 flag.disabled(true);
 610
 611         // A few general toggles
 612         switch (action) {
 613         case LFUN_TOOLTIPS_TOGGLE:
 614                 flag.setOnOff(owner->getDialogs()->tooltipsEnabled());
 615                 break;
 616
 617         case LFUN_READ_ONLY_TOGGLE:
 618                 flag.setOnOff(buf->isReadonly());
 619                 break;
 620         case LFUN_APPENDIX:
 621                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 622                 break;
 623         case LFUN_SWITCHBUFFER:
 624                 // toggle on the current buffer, but do not toggle off
 625                 // the other ones (is that a good idea?)
 626                 if (argument == buf->fileName())
 627                         flag.setOnOff(true);
 628                 break;
 629         default:
 630                 break;
 631         }
 632
 633         // the font related toggles
 634         if (!mathcursor) {
 635                 LyXFont const & font = TEXT(false)->real_current_font;
 636                 switch (action) {
 637                 case LFUN_EMPH:
 638                         flag.setOnOff(font.emph() == LyXFont::ON);
 639                         break;
 640                 case LFUN_NOUN:
 641                         flag.setOnOff(font.noun() == LyXFont::ON);
 642                         break;
 643                 case LFUN_BOLD:
 644                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 645                         break;
 646                 case LFUN_SANS:
 647                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 648                         break;
 649                 case LFUN_ROMAN:
 650                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 651                         break;
 652                 case LFUN_CODE:
 653                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 654                         break;
 655                 default:
 656                         break;
 657                 }
 658         } else {
 659                 string tc = mathcursor->getLastCode();
 660                 switch (action) {
 661                 case LFUN_BOLD:
 662                         flag.setOnOff(tc == "mathbf");
 663                         break;
 664                 case LFUN_SANS:
 665                         flag.setOnOff(tc == "mathsf");
 666                         break;
 667                 case LFUN_EMPH:
 668                         flag.setOnOff(tc == "mathcal");
 669                         break;
 670                 case LFUN_ROMAN:
 671                         flag.setOnOff(tc == "mathrm");
 672                         break;
 673                 case LFUN_CODE:
 674                         flag.setOnOff(tc == "mathtt");
 675                         break;
 676                 case LFUN_NOUN:
 677                         flag.setOnOff(tc == "mathbb");
 678                         break;
 679                 case LFUN_DEFAULT:
 680                         flag.setOnOff(tc == "mathnormal");
 681                         break;
 682                 default:
 683                         break;
 684                 }
 685         }
 686
 687         // this one is difficult to get right. As a half-baked
 688         // solution, we consider only the first action of the sequence
 689         if (action == LFUN_SEQUENCE) {
 690                 // argument contains ';'-terminated commands
 691                 const int ac = lyxaction.LookupFunc(token(argument, ';', 0));
 692                 flag = getStatus(ac);
 693         }
 694
 695         return flag;
 696 }
 697
 698
 699 void LyXFunc::dispatch(string const & s, bool verbose)
 700 {
 701         int const action = lyxaction.LookupFunc(s);
 702
 703         if (action == LFUN_UNKNOWN_ACTION) {
 704                 string const msg = string(_("Unknown function ("))
 705                         + s + ")";
 706                 owner->message(msg);
 707                 return;
 708         }
 709
 710         dispatch(action, verbose);
 711 }
 712
 713
 714 void LyXFunc::dispatch(int ac, bool verbose)
 715 {
 716         string argument;
 717         kb_action const action = lyxaction.retrieveActionArg(ac, argument);
 718         dispatch(action, argument, verbose);
 719 }
 720
 721
 722
 723 void LyXFunc::dispatch(kb_action action, string argument, bool verbose)
 724 {
 725         lyxerr[Debug::ACTION] << "LyXFunc::dispatch: action[" << action
 726                               <<"] arg[" << argument << "]" << endl;
 727
 728         // we have not done anything wrong yet.
 729         errorstat = false;
 730         dispatch_buffer.erase();
 731
 732 #ifdef NEW_DISPATCHER
 733         // We try do call the most specific dispatcher first:
 734         //  1. the lockinginset's dispatch
 735         //  2. the bufferview's dispatch
 736         //  3. the lyxview's dispatch
 737 #endif
 738
 739         selection_possible = false;
 740
 741         if (owner->view()->available())
 742                 owner->view()->hideCursor();
 743
 744         // We cannot use this function here
 745         if (getStatus(action, argument).disabled()) {
 746                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 747                        << lyxaction.getActionName(action)
 748                        << " [" << action << "] is disabled at this location"
 749                        << endl;
 750                 setErrorMessage(getStatusMessage());
 751                 goto exit_with_message;
 752         }
 753
 754         if (owner->view()->available() && owner->view()->theLockingInset()) {
 755                 UpdatableInset::RESULT result;
 756                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 757                                      (!keyseq.deleted())))
 758                 {
 759                         UpdatableInset * inset = owner->view()->theLockingInset();
 760 #if 1
 761                         int inset_x;
 762                         int dummy_y;
 763                         inset->getCursorPos(owner->view(), inset_x, dummy_y);
 764 #endif
 765                         if ((action == LFUN_UNKNOWN_ACTION)
 766                             && argument.empty()) {
 767                                 argument = keyseq.getLastKeyEncoded();
 768                         }
 769                         // Undo/Redo is a bit tricky for insets.
 770                         if (action == LFUN_UNDO) {
 771                                 owner->view()->menuUndo();
 772                                 goto exit_with_message;
 773                         } else if (action == LFUN_REDO) {
 774                                 owner->view()->menuRedo();
 775                                 goto exit_with_message;
 776                         } else if (((result=inset->
 777                                      // Hand-over to inset's own dispatch:
 778                                      localDispatch(owner->view(), action, argument)) ==
 779                                     UpdatableInset::DISPATCHED) ||
 780                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 781                                 goto exit_with_message;
 782                                         // If UNDISPATCHED, just soldier on
 783                         else if (result == UpdatableInset::FINISHED) {
 784                                 goto exit_with_message;
 785                                 // We do not need special RTL handling here:
 786                                 // FINISHED means that the cursor should be
 787                                 // one position after the inset.
 788                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 789                                 TEXT()->cursorRight(owner->view());
 790                                 moveCursorUpdate(true, false);
 791                                 owner->view_state_changed();
 792                                 goto exit_with_message;
 793                         } else if (result == UpdatableInset::FINISHED_UP) {
 794                                 if (TEXT()->cursor.irow()->previous()) {
 795 #if 1
 796                                         TEXT()->setCursorFromCoordinates(
 797                                                 owner->view(), TEXT()->cursor.ix() + inset_x,
 798                                                 TEXT()->cursor.iy() -
 799                                                 TEXT()->cursor.irow()->baseline() - 1);
 800                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 801 #else
 802                                         TEXT()->cursorUp(owner->view());
 803 #endif
 804                                         moveCursorUpdate(true, false);
 805                                         owner->view_state_changed();
 806                                 } else {
 807                                         owner->view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 808                                 }
 809                                 goto exit_with_message;
 810                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 811                                 if (TEXT()->cursor.irow()->next()) {
 812 #if 1
 813                                         TEXT()->setCursorFromCoordinates(
 814                                                 owner->view(), TEXT()->cursor.ix() + inset_x,
 815                                                 TEXT()->cursor.iy() -
 816                                                 TEXT()->cursor.irow()->baseline() +
 817                                                 TEXT()->cursor.irow()->height() + 1);
 818                                         TEXT()->cursor.x_fix(TEXT()->cursor.x());
 819 #else
 820                                         TEXT()->cursorDown(owner->view());
 821 #endif
 822                                 } else {
 823                                         TEXT()->cursorRight(owner->view());
 824                                 }
 825                                 moveCursorUpdate(true, false);
 826                                 owner->view_state_changed();
 827                                 goto exit_with_message;
 828                         }
 829 #warning I am not sure this is still right, please have a look! (Jug 20020417)
 830                         else { // result == UNDISPATCHED
 831                                 //setMessage(N_("Text mode"));
 832                                 switch (action) {
 833                                 case LFUN_UNKNOWN_ACTION:
 834                                 case LFUN_BREAKPARAGRAPH:
 835                                 case LFUN_BREAKLINE:
 836                                         TEXT()->cursorRight(owner->view());
 837                                         owner->view()->switchKeyMap();
 838                                         owner->view_state_changed();
 839                                         break;
 840                                 case LFUN_RIGHT:
 841                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 842                                                 TEXT()->cursorRight(owner->view());
 843                                                 moveCursorUpdate(true, false);
 844                                                 owner->view_state_changed();
 845                                         }
 846                                         goto exit_with_message;
 847                                 case LFUN_LEFT:
 848                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 849                                                 TEXT()->cursorRight(owner->view());
 850                                                 moveCursorUpdate(true, false);
 851                                                 owner->view_state_changed();
 852                                         }
 853                                         goto exit_with_message;
 854                                 case LFUN_DOWN:
 855                                         if (TEXT()->cursor.row()->next())
 856                                                 TEXT()->cursorDown(owner->view());
 857                                         else
 858                                                 TEXT()->cursorRight(owner->view());
 859                                         moveCursorUpdate(true, false);
 860                                         owner->view_state_changed();
 861                                         goto exit_with_message;
 862                                 default:
 863                                         break;
 864                                 }
 865                         }
 866                 }
 867         }
 868
 869         switch (action) {
 870
 871         case LFUN_ESCAPE:
 872         {
 873                 if (!owner->view()->available()) break;
 874                 // this function should be used always [asierra060396]
 875                 UpdatableInset * tli =
 876                         owner->view()->theLockingInset();
 877                 if (tli) {
 878                         UpdatableInset * lock = tli->getLockingInset();
 879
 880                         if (tli == lock) {
 881                                 owner->view()->unlockInset(tli);
 882                                 TEXT()->cursorRight(owner->view());
 883                                 moveCursorUpdate(true, false);
 884                                 owner->view_state_changed();
 885                         } else {
 886                                 tli->unlockInsetInInset(owner->view(),
 887                                                         lock,
 888                                                         true);
 889                         }
 890                         finishUndo();
 891                         // Tell the paragraph dialog that we changed paragraph
 892                         owner->getDialogs()->updateParagraph();
 893                 }
 894         }
 895         break;
 896
 897                 // --- Misc -------------------------------------------
 898         case LFUN_WORDFINDFORWARD  :
 899         case LFUN_WORDFINDBACKWARD : {
 900                 static string last_search;
 901                 string searched_string;
 902
 903                 if (!argument.empty()) {
 904                         last_search = argument;
 905                         searched_string = argument;
 906                 } else {
 907                         searched_string = last_search;
 908                 }
 909                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 910                 if (!searched_string.empty()) {
 911                         lyxfind::LyXFind(owner->view(), searched_string, fw);
 912                 }
 913 //              owner->view()->showCursor();
 914         }
 915         break;
 916
 917         case LFUN_PREFIX:
 918         {
 919                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
 920                         owner->view()->update(TEXT(),
 921                                               BufferView::SELECT|BufferView::FITCUR);
 922                 }
 923                 owner->message(keyseq.printOptions());
 924         }
 925         break;
 926
 927         // --- Misc -------------------------------------------
 928         case LFUN_EXEC_COMMAND:
 929                 owner->focus_command_buffer();
 930                 break;
 931
 932         case LFUN_CANCEL:                   // RVDK_PATCH_5
 933                 keyseq.reset();
 934                 meta_fake_bit = key_modifier::none;
 935                 if (owner->view()->available())
 936                         // cancel any selection
 937                         dispatch(LFUN_MARK_OFF);
 938                 setMessage(N_("Cancel"));
 939                 break;
 940
 941         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 942         {
 943                 meta_fake_bit = key_modifier::alt;
 944                 setMessage(keyseq.print());
 945         }
 946         break;
 947
 948         case LFUN_READ_ONLY_TOGGLE:
 949                 if (owner->buffer()->lyxvc.inUse()) {
 950                         owner->buffer()->lyxvc.toggleReadOnly();
 951                 } else {
 952                         owner->buffer()->setReadonly(
 953                                 !owner->buffer()->isReadonly());
 954                 }
 955                 break;
 956
 957         case LFUN_CENTER: // this is center and redraw.
 958                 owner->view()->center();
 959                 break;
 960
 961                 // --- Menus -----------------------------------------------
 962         case LFUN_MENUNEW:
 963                 menuNew(argument, false);
 964                 break;
 965
 966         case LFUN_MENUNEWTMPLT:
 967                 menuNew(argument, true);
 968                 break;
 969
 970         case LFUN_CLOSEBUFFER:
 971                 closeBuffer();
 972                 break;
 973
 974         case LFUN_MENUWRITE:
 975                 if (!owner->buffer()->isUnnamed()) {
 976                         ostringstream s1;
 977                         s1 << _("Saving document") << ' '
 978                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 979                         owner->message(s1.str().c_str());
 980                         MenuWrite(owner->view(), owner->buffer());
 981                         s1 << _(" done.");
 982                         owner->message(s1.str().c_str());
 983                 } else
 984                         WriteAs(owner->view(), owner->buffer());
 985                 break;
 986
 987         case LFUN_WRITEAS:
 988                 WriteAs(owner->view(), owner->buffer(), argument);
 989                 break;
 990
 991         case LFUN_MENURELOAD:
 992                 reloadBuffer();
 993                 break;
 994
 995         case LFUN_UPDATE:
 996                 Exporter::Export(owner->buffer(), argument, true);
 997                 break;
 998
 999         case LFUN_PREVIEW:
1000                 Exporter::Preview(owner->buffer(), argument);
1001                 break;
1002
1003         case LFUN_BUILDPROG:
1004                 Exporter::Export(owner->buffer(), "program", true);
1005                 break;
1006
1007         case LFUN_RUNCHKTEX:
1008                 MenuRunChktex(owner->buffer());
1009                 break;
1010
1011         case LFUN_MENUPRINT:
1012                 owner->getDialogs()->showPrint();
1013                 break;
1014
1015         case LFUN_EXPORT:
1016                 if (argument == "custom")
1017                         owner->getDialogs()->showSendto();
1018                 else
1019                         Exporter::Export(owner->buffer(), argument, false);
1020                 break;
1021
1022         case LFUN_IMPORT:
1023                 doImport(argument);
1024                 break;
1025
1026         case LFUN_QUIT:
1027                 QuitLyX();
1028                 break;
1029
1030         case LFUN_TOCVIEW:
1031 #if 0
1032         case LFUN_LOFVIEW:
1033         case LFUN_LOTVIEW:
1034         case LFUN_LOAVIEW:
1035 #endif
1036         {
1037                 InsetCommandParams p;
1038
1039 #if 0
1040                 if (action == LFUN_TOCVIEW)
1041 #endif
1042                         p.setCmdName("tableofcontents");
1043 #if 0
1044                 else if (action == LFUN_LOAVIEW)
1045                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1046                 else if (action == LFUN_LOFVIEW)
1047                         p.setCmdName("listoffigures");
1048                 else
1049                         p.setCmdName("listoftables");
1050 #endif
1051                 owner->getDialogs()->createTOC(p.getAsString());
1052                 break;
1053         }
1054
1055         case LFUN_DIALOG_TABULAR_INSERT:
1056                 owner->getDialogs()->showTabularCreate();
1057                 break;
1058
1059         case LFUN_AUTOSAVE:
1060                 AutoSave(owner->view());
1061                 break;
1062
1063         case LFUN_UNDO:
1064                 owner->view()->menuUndo();
1065                 break;
1066
1067         case LFUN_REDO:
1068                 owner->view()->menuRedo();
1069                 break;
1070
1071         case LFUN_MENUSEARCH:
1072                 owner->getDialogs()->showSearch();
1073                 break;
1074
1075         case LFUN_REMOVEERRORS:
1076                 if (owner->view()->removeAutoInsets()) {
1077 #warning repaint() or update() or nothing ?
1078                         owner->view()->repaint();
1079                         owner->view()->fitCursor();
1080                 }
1081                 break;
1082
1083         case LFUN_DEPTH_MIN:
1084                 changeDepth(owner->view(), TEXT(false), -1);
1085                 break;
1086
1087         case LFUN_DEPTH_PLUS:
1088                 changeDepth(owner->view(), TEXT(false), 1);
1089                 break;
1090
1091         case LFUN_FREE:
1092                 owner->getDialogs()->setUserFreeFont();
1093                 break;
1094
1095         case LFUN_RECONFIGURE:
1096                 Reconfigure(owner->view());
1097                 break;
1098
1099 #if 0
1100         case LFUN_FLOATSOPERATE:
1101                 if (argument == "openfoot")
1102                         owner->view()->allFloats(1,0);
1103                 else if (argument == "closefoot")
1104                         owner->view()->allFloats(0,0);
1105                 else if (argument == "openfig")
1106                         owner->view()->allFloats(1,1);
1107                 else if (argument == "closefig")
1108                         owner->view()->allFloats(0,1);
1109                 break;
1110 #else
1111 #ifdef WITH_WARNINGS
1112 //#warning Find another implementation here (or another lyxfunc)!
1113 #endif
1114 #endif
1115         case LFUN_HELP_ABOUTLYX:
1116                 owner->getDialogs()->showAboutlyx();
1117                 break;
1118
1119         case LFUN_HELP_TEXINFO:
1120                 owner->getDialogs()->showTexinfo();
1121                 break;
1122
1123         case LFUN_HELP_OPEN:
1124         {
1125                 string const arg = argument;
1126                 if (arg.empty()) {
1127                         setErrorMessage(N_("Missing argument"));
1128                         break;
1129                 }
1130                 owner->prohibitInput();
1131                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1132                 if (fname.empty()) {
1133                         lyxerr << "LyX: unable to find documentation file `"
1134                                << arg << "'. Bad installation?" << endl;
1135                         owner->allowInput();
1136                         break;
1137                 }
1138                 ostringstream str;
1139                 str << _("Opening help file") << ' '
1140                     << MakeDisplayPath(fname) << "...";
1141                 owner->message(str.str().c_str());
1142                 owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
1143                 owner->allowInput();
1144                 break;
1145         }
1146
1147                 // --- version control -------------------------------
1148         case LFUN_VC_REGISTER:
1149         {
1150                 if (!owner->buffer()->lyxvc.inUse())
1151                         owner->buffer()->lyxvc.registrer();
1152         }
1153         break;
1154
1155         case LFUN_VC_CHECKIN:
1156         {
1157                 if (owner->buffer()->lyxvc.inUse()
1158                     && !owner->buffer()->isReadonly())
1159                         owner->buffer()->lyxvc.checkIn();
1160         }
1161         break;
1162
1163         case LFUN_VC_CHECKOUT:
1164         {
1165                 if (owner->buffer()->lyxvc.inUse()
1166                     && owner->buffer()->isReadonly())
1167                         owner->buffer()->lyxvc.checkOut();
1168         }
1169         break;
1170
1171         case LFUN_VC_REVERT:
1172         {
1173                 owner->buffer()->lyxvc.revert();
1174         }
1175         break;
1176
1177         case LFUN_VC_UNDO:
1178         {
1179                 owner->buffer()->lyxvc.undoLast();
1180         }
1181         break;
1182
1183         case LFUN_VC_HISTORY:
1184         {
1185                 owner->getDialogs()->showVCLogFile();
1186                 break;
1187         }
1188
1189         // --- buffers ----------------------------------------
1190
1191         case LFUN_SWITCHBUFFER:
1192                 owner->view()->buffer(bufferlist.getBuffer(argument));
1193                 break;
1194
1195         case LFUN_FILE_NEW:
1196         {
1197                 // servercmd: argument must be <file>:<template>
1198                 Buffer * tmpbuf = NewLyxFile(argument);
1199                 if (tmpbuf)
1200                         owner->view()->buffer(tmpbuf);
1201         }
1202         break;
1203
1204         case LFUN_FILE_OPEN:
1205                 open(argument);
1206                 break;
1207
1208         case LFUN_LATEX_LOG:
1209                 owner->getDialogs()->showLogFile();
1210                 break;
1211
1212         case LFUN_LAYOUT_DOCUMENT:
1213                 owner->getDialogs()->showDocument();
1214                 break;
1215
1216         case LFUN_LAYOUT_PARAGRAPH:
1217                 owner->getDialogs()->showParagraph();
1218                 break;
1219
1220         case LFUN_LAYOUT_CHARACTER:
1221                 owner->getDialogs()->showCharacter();
1222                 break;
1223
1224         case LFUN_LAYOUT_TABULAR:
1225             if (owner->view()->theLockingInset()) {
1226                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1227                     InsetTabular * inset = static_cast<InsetTabular *>
1228                         (owner->view()->theLockingInset());
1229                     inset->openLayoutDialog(owner->view());
1230                 } else if (owner->view()->theLockingInset()->
1231                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1232                     InsetTabular * inset = static_cast<InsetTabular *>(
1233                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1234                     inset->openLayoutDialog(owner->view());
1235                 }
1236             }
1237             break;
1238
1239         case LFUN_LAYOUT_PREAMBLE:
1240                 owner->getDialogs()->showPreamble();
1241                 break;
1242
1243         case LFUN_DROP_LAYOUTS_CHOICE:
1244                 owner->getToolbar()->openLayoutList();
1245                 break;
1246
1247         case LFUN_MENU_OPEN_BY_NAME:
1248                 owner->getMenubar()->openByName(argument);
1249                 break; // RVDK_PATCH_5
1250
1251         case LFUN_SPELLCHECK:
1252                 if (lyxrc.isp_command != "none")
1253                         owner->getDialogs()->showSpellchecker();
1254                 break;
1255
1256         // --- lyxserver commands ----------------------------
1257
1258
1259         case LFUN_GETNAME:
1260                 setMessage(owner->buffer()->fileName());
1261                 lyxerr[Debug::INFO] << "FNAME["
1262                                << owner->buffer()->fileName()
1263                                << "] " << endl;
1264                 break;
1265
1266         case LFUN_NOTIFY:
1267         {
1268                 dispatch_buffer = keyseq.print();
1269                 lyxserver->notifyClient(dispatch_buffer);
1270         }
1271         break;
1272
1273         case LFUN_GOTOFILEROW:
1274         {
1275                 string file_name;
1276                 int row;
1277                 istringstream istr(argument.c_str());
1278                 istr >> file_name >> row;
1279                 // Must replace extension of the file to be .lyx and get full path
1280                 string const s(ChangeExtension(file_name, ".lyx"));
1281
1282                 // Either change buffer or load the file
1283                 if (bufferlist.exists(s)) {
1284                         owner->view()->buffer(bufferlist.getBuffer(s));
1285                 } else {
1286                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1287                 }
1288
1289                 owner->view()->setCursorFromRow(row);
1290
1291                 owner->view()->center();
1292                 // see BufferView_pimpl::center()
1293                 owner->view()->updateScrollbar();
1294         }
1295         break;
1296
1297         case LFUN_GOTO_PARAGRAPH:
1298         {
1299                 istringstream istr(argument.c_str());
1300
1301                 int id;
1302                 istr >> id;
1303                 Paragraph * par = owner->buffer()->getParFromID(id);
1304                 if (par == 0) {
1305                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1306                                             << id << "]" << endl;
1307                         break;
1308                 } else {
1309                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1310                                             << " found." << endl;
1311                 }
1312
1313                 if (owner->view()->theLockingInset())
1314                         owner->view()->unlockInset(owner->view()->theLockingInset());
1315                 if (par->inInset()) {
1316                         par->inInset()->edit(owner->view());
1317                 }
1318                 // Set the cursor
1319                 owner->view()->getLyXText()->setCursor(owner->view(), par, 0);
1320                 owner->view()->switchKeyMap();
1321                 owner->view_state_changed();
1322
1323                 owner->view()->center();
1324                 // see BufferView_pimpl::center()
1325                 owner->view()->updateScrollbar();
1326         }
1327         break;
1328
1329         case LFUN_APROPOS:
1330         case LFUN_GETTIP:
1331         {
1332                 int const qa = lyxaction.LookupFunc(argument);
1333                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1334         }
1335         break;
1336
1337         // --- insert characters ----------------------------------------
1338
1339         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1340         case LFUN_MATH_EXTERN:
1341         case LFUN_MATH_NUMBER:
1342         case LFUN_MATH_NONUMBER:
1343         case LFUN_MATH_LIMITS:
1344         {
1345                 setErrorMessage(N_("This is only allowed in math mode!"));
1346         }
1347         break;
1348
1349         // passthrough hat and underscore outside mathed:
1350         case LFUN_SUBSCRIPT:
1351                 dispatch(LFUN_SELFINSERT, "_", false);
1352                 break;
1353         case LFUN_SUPERSCRIPT:
1354                 dispatch(LFUN_SELFINSERT, "^", false);
1355                 break;
1356
1357         case LFUN_MATH_PANEL:
1358                 owner->getDialogs()->showMathPanel();
1359                 break;
1360
1361         case LFUN_CITATION_CREATE:
1362         {
1363                 InsetCommandParams p("cite");
1364
1365                 if (!argument.empty()) {
1366                         // This should be set at source, ie when typing
1367                         // "citation-insert foo" in the minibuffer.
1368                         // Question: would pybibliographer also need to be
1369                         // changed. Suspect so. Leave as-is therefore.
1370                         if (contains(argument, "|")) {
1371                                 p.setContents(token(argument, '|', 0));
1372                                 p.setOptions( token(argument, '|', 1));
1373                         } else {
1374                                 p.setContents(argument);
1375                         }
1376                         dispatch(LFUN_CITATION_INSERT, p.getAsString());
1377                 } else
1378                         owner->getDialogs()->createCitation(p.getAsString());
1379         }
1380         break;
1381
1382         case LFUN_CHILDOPEN:
1383         {
1384                 string const filename =
1385                         MakeAbsPath(argument,
1386                                     owner->buffer()->filePath());
1387                 setMessage(N_("Opening child document ") +
1388                            MakeDisplayPath(filename) + "...");
1389                 owner->view()->savePosition(0);
1390                 if (bufferlist.exists(filename))
1391                         owner->view()->buffer(bufferlist.getBuffer(filename));
1392                 else
1393                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1394         }
1395         break;
1396
1397         case LFUN_TOGGLECURSORFOLLOW:
1398                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1399                 break;
1400
1401         case LFUN_KMAP_OFF:             // keymap off
1402                 owner->getIntl()->KeyMapOn(false);
1403                 break;
1404
1405         case LFUN_KMAP_PRIM:    // primary keymap
1406                 owner->getIntl()->KeyMapPrim();
1407                 break;
1408
1409         case LFUN_KMAP_SEC:             // secondary keymap
1410                 owner->getIntl()->KeyMapSec();
1411                 break;
1412
1413         case LFUN_KMAP_TOGGLE:  // toggle keymap
1414                 owner->getIntl()->ToggleKeyMap();
1415                 break;
1416
1417         case LFUN_SEQUENCE:
1418         {
1419                 // argument contains ';'-terminated commands
1420                 while (!argument.empty()) {
1421                         string first;
1422                         argument = split(argument, first, ';');
1423                         dispatch(first);
1424                 }
1425         }
1426         break;
1427
1428         case LFUN_DIALOG_PREFERENCES:
1429                 owner->getDialogs()->showPreferences();
1430                 break;
1431
1432         case LFUN_SAVEPREFERENCES:
1433         {
1434                 Path p(user_lyxdir);
1435                 lyxrc.write("preferences");
1436         }
1437         break;
1438
1439         case LFUN_SCREEN_FONT_UPDATE:
1440         {
1441                 // handle the screen font changes.
1442                 //
1443                 lyxrc.set_font_norm_type();
1444                 lyx_gui::update_fonts();
1445                 // Of course we should only do the resize and the textcache.clear
1446                 // if values really changed...but not very important right now. (Lgb)
1447                 // All visible buffers will need resize
1448                 owner->view()->resize();
1449                 owner->view()->repaint();
1450                 // We also need to empty the textcache so that
1451                 // the buffer will be formatted correctly after
1452                 // a zoom change.
1453                 textcache.clear();
1454         }
1455         break;
1456
1457         case LFUN_SET_COLOR:
1458         {
1459                 string lyx_name;
1460                 string const x11_name = split(argument, lyx_name, ' ');
1461                 if (lyx_name.empty() || x11_name.empty()) {
1462                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1463                                                 " <x11_name>"));
1464                         break;
1465                         }
1466
1467                 bool const graphicsbg_changed =
1468                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1469                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1470
1471                 if (!lcolor.setColor(lyx_name, x11_name)) {
1472                         static string const err1 (N_("Set-color \""));
1473                         static string const err2 (
1474                                 N_("\" failed - color is undefined "
1475                                    "or may not be redefined"));
1476                         setErrorMessage(_(err1) + lyx_name + _(err2));
1477                         break;
1478                 }
1479
1480                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1481
1482                 if (graphicsbg_changed) {
1483 #ifdef WITH_WARNINGS
1484 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1485 #endif
1486 #if 0
1487                         grfx::GCache & gc = grfx::GCache::get();
1488                         gc.changeDisplay(true);
1489 #endif
1490                 }
1491
1492                 owner->view()->repaint();
1493                 break;
1494         }
1495
1496         case LFUN_MESSAGE:
1497                 owner->message(argument);
1498                 break;
1499
1500         case LFUN_FORKS_SHOW:
1501                 owner->getDialogs()->showForks();
1502                 break;
1503
1504         case LFUN_FORKS_KILL:
1505         {
1506                 if (!isStrInt(argument))
1507                         break;
1508
1509                 pid_t const pid = strToInt(argument);
1510                 ForkedcallsController & fcc = ForkedcallsController::get();
1511                 fcc.kill(pid);
1512                 break;
1513         }
1514
1515         case LFUN_TOOLTIPS_TOGGLE:
1516                 owner->getDialogs()->toggleTooltips();
1517                 break;
1518
1519         default:
1520                 // Then if it was none of the above
1521                 // Trying the BufferView::pimpl dispatch:
1522                 if (!owner->view()->dispatch(action, argument))
1523                         lyxerr << "A truly unknown func ["
1524                                << lyxaction.getActionName(action) << "]!"
1525                                << endl;
1526                 break;
1527         } // end of switch
1528
1529 exit_with_message:
1530         string const & msg = getMessage();
1531         sendDispatchMessage(msg, action, argument, verbose);
1532 }
1533
1534
1535 void LyXFunc::sendDispatchMessage(string const & msg, kb_action action, string const & arg, bool verbose)
1536 {
1537         owner->updateMenubar();
1538         owner->updateToolbar();
1539
1540         if (action == LFUN_SELFINSERT || !verbose) {
1541                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1542                 if (!msg.empty())
1543                         owner->message(msg);
1544                 return;
1545         }
1546
1547         string dispatch_msg(msg);
1548         if (!dispatch_msg.empty())
1549                 dispatch_msg += " ";
1550
1551         string comname = lyxaction.getActionName(action);
1552
1553         int pseudoaction = action;
1554         bool argsadded = false;
1555
1556         if (!arg.empty()) {
1557                 // the pseudoaction is useful for the bindings
1558                 pseudoaction = lyxaction.searchActionArg(action, arg);
1559
1560                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
1561                         pseudoaction = action;
1562                 } else {
1563                         comname += " " + arg;
1564                         argsadded = true;
1565                 }
1566         }
1567
1568         string const shortcuts = toplevel_keymap->findbinding(pseudoaction);
1569
1570         if (!shortcuts.empty()) {
1571                 comname += ": " + shortcuts;
1572         } else if (!argsadded && !arg.empty()) {
1573                 comname += " " + arg;
1574         }
1575
1576         if (!comname.empty()) {
1577                 comname = rtrim(comname);
1578                 dispatch_msg += "(" + comname + ')';
1579         }
1580
1581         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1582         if (!dispatch_msg.empty())
1583                 owner->message(dispatch_msg);
1584 }
1585
1586
1587 void LyXFunc::setupLocalKeymap()
1588 {
1589         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1590         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1591 }
1592
1593
1594 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1595 {
1596         string initpath = lyxrc.document_path;
1597         string filename(name);
1598
1599         if (owner->view()->available()) {
1600                 string const trypath = owner->buffer()->filePath();
1601                 // If directory is writeable, use this as default.
1602                 if (IsDirWriteable(trypath))
1603                         initpath = trypath;
1604         }
1605
1606         static int newfile_number;
1607
1608         if (filename.empty()) {
1609                 filename = AddName(lyxrc.document_path,
1610                             "newfile" + tostr(++newfile_number) + ".lyx");
1611                 FileInfo fi(filename);
1612                 while (bufferlist.exists(filename) || fi.readable()) {
1613                         ++newfile_number;
1614                         filename = AddName(lyxrc.document_path,
1615                                     "newfile" + tostr(newfile_number) +
1616                                     ".lyx");
1617                         fi.newFile(filename);
1618                 }
1619         }
1620
1621         // The template stuff
1622         string templname;
1623         if (fromTemplate) {
1624                 FileDialog fileDlg(owner, _("Select template file"),
1625                         LFUN_SELECT_FILE_SYNC,
1626                         make_pair(string(_("Documents|#o#O")),
1627                                   string(lyxrc.document_path)),
1628                         make_pair(string(_("Templates|#T#t")),
1629                                   string(lyxrc.template_path)));
1630
1631                 FileDialog::Result result =
1632                         fileDlg.Select(lyxrc.template_path,
1633                                        _("*.lyx|LyX Documents (*.lyx)"));
1634
1635                 if (result.first == FileDialog::Later)
1636                         return;
1637
1638                 string const fname = result.second;
1639
1640                 if (fname.empty())
1641                         return;
1642                 templname = fname;
1643         }
1644
1645         owner->view()->buffer(bufferlist.newFile(filename, templname, !name.empty()));
1646 }
1647
1648
1649 void LyXFunc::open(string const & fname)
1650 {
1651         string initpath = lyxrc.document_path;
1652
1653         if (owner->view()->available()) {
1654                 string const trypath = owner->buffer()->filePath();
1655                 // If directory is writeable, use this as default.
1656                 if (IsDirWriteable(trypath))
1657                         initpath = trypath;
1658         }
1659
1660         string filename;
1661
1662         if (fname.empty()) {
1663                 FileDialog fileDlg(owner, _("Select document to open"),
1664                         LFUN_FILE_OPEN,
1665                         make_pair(string(_("Documents|#o#O")),
1666                                   string(lyxrc.document_path)),
1667                         make_pair(string(_("Examples|#E#e")),
1668                                   string(AddPath(system_lyxdir, "examples"))));
1669
1670                 FileDialog::Result result =
1671                         fileDlg.Select(initpath,
1672                                        "*.lyx|LyX Documents (*.lyx)");
1673
1674                 if (result.first == FileDialog::Later)
1675                         return;
1676
1677                 filename = result.second;
1678
1679                 // check selected filename
1680                 if (filename.empty()) {
1681                         owner->message(_("Canceled."));
1682                         return;
1683                 }
1684         } else
1685                 filename = fname;
1686
1687         // get absolute path of file and add ".lyx" to the filename if
1688         // necessary
1689         string const fullpath = FileSearch(string(), filename, "lyx");
1690         if (fullpath.empty()) {
1691                 Alert::alert(_("Error"), _("Could not find file"), filename);
1692                 return;
1693         }
1694
1695         filename = fullpath;
1696
1697         // loads document
1698         string const disp_fn(MakeDisplayPath(filename));
1699
1700         ostringstream str;
1701         str << _("Opening document") << ' ' << disp_fn << "...";
1702
1703         owner->message(str.str().c_str());
1704
1705         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1706         if (openbuf) {
1707                 owner->view()->buffer(openbuf);
1708                 ostringstream str;
1709                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1710                 owner->message(str.str().c_str());
1711         } else {
1712                 ostringstream str;
1713                 str << _("Could not open document") << ' ' << disp_fn;
1714                 owner->message(str.str().c_str());
1715         }
1716 }
1717
1718
1719 void LyXFunc::doImport(string const & argument)
1720 {
1721         string format;
1722         string filename = split(argument, format, ' ');
1723
1724         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1725                             << " file: " << filename << endl;
1726
1727         // need user interaction
1728         if (filename.empty()) {
1729                 string initpath = lyxrc.document_path;
1730
1731                 if (owner->view()->available()) {
1732                         string const trypath = owner->buffer()->filePath();
1733                         // If directory is writeable, use this as default.
1734                         if (IsDirWriteable(trypath))
1735                                 initpath = trypath;
1736                 }
1737
1738                 string const text = _("Select ") + formats.prettyName(format)
1739                         + _(" file to import");
1740
1741                 FileDialog fileDlg(owner, text,
1742                         LFUN_IMPORT,
1743                         make_pair(string(_("Documents|#o#O")),
1744                                   string(lyxrc.document_path)),
1745                         make_pair(string(_("Examples|#E#e")),
1746                                   string(AddPath(system_lyxdir, "examples"))));
1747
1748                 string const extension = "*." + formats.extension(format)
1749                         + "| " + formats.prettyName(format)
1750                         + " (*." + formats.extension(format) + ")";
1751
1752                 FileDialog::Result result = fileDlg.Select(initpath,
1753                                                            extension);
1754
1755                 if (result.first == FileDialog::Later)
1756                         return;
1757
1758                 filename = result.second;
1759
1760                 // check selected filename
1761                 if (filename.empty())
1762                         owner->message(_("Canceled."));
1763         }
1764
1765         if (filename.empty())
1766                 return;
1767
1768         // get absolute path of file
1769         filename = MakeAbsPath(filename);
1770
1771         string const lyxfile = ChangeExtension(filename, ".lyx");
1772
1773         // Check if the document already is open
1774         if (lyxrc.use_gui && bufferlist.exists(lyxfile)) {
1775                 switch (Alert::askConfirmation(_("Document is already open:"),
1776                                         MakeDisplayPath(lyxfile, 50),
1777                                         _("Do you want to close that document now?\n"
1778                                           "('No' will just switch to the open version)")))
1779                         {
1780                         case 1:
1781                                 // If close is canceled, we cancel here too.
1782                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1783                                         return;
1784                                 break;
1785                         case 2:
1786                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1787                                 return;
1788                         case 3:
1789                                 owner->message(_("Canceled."));
1790                                 return;
1791                         }
1792         }
1793
1794         // if the file exists already, and we didn't do
1795         // -i lyx thefile.lyx, warn
1796         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1797                 if (!Alert::askQuestion(_("A document by the name"),
1798                         MakeDisplayPath(lyxfile), _("already exists. Overwrite?"))) {
1799                         owner->message(_("Canceled"));
1800                         return;
1801                 }
1802         }
1803
1804         Importer::Import(owner, filename, format);
1805 }
1806
1807
1808 void LyXFunc::reloadBuffer()
1809 {
1810         string const fn = owner->buffer()->fileName();
1811         if (bufferlist.close(owner->buffer()))
1812                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1813 }
1814
1815
1816 void LyXFunc::closeBuffer()
1817 {
1818         if (bufferlist.close(owner->buffer()) && !quitting) {
1819                 if (bufferlist.empty()) {
1820                         // need this otherwise SEGV may occur while trying to
1821                         // set variables that don't exist
1822                         // since there's no current buffer
1823                         owner->getDialogs()->hideBufferDependent();
1824                 } else {
1825                         owner->view()->buffer(bufferlist.first());
1826                 }
1827         }
1828 }
1829
1830
1831 // Each "owner" should have it's own message method. lyxview and
1832 // the minibuffer would use the minibuffer, but lyxserver would
1833 // send an ERROR signal to its client.  Alejandro 970603
1834 // This func is bit problematic when it comes to NLS, to make the
1835 // lyx servers client be language indepenent we must not translate
1836 // strings sent to this func.
1837 void LyXFunc::setErrorMessage(string const & m) const
1838 {
1839         dispatch_buffer = m;
1840         errorstat = true;
1841 }
1842
1843
1844 void LyXFunc::setMessage(string const & m) const
1845 {
1846         dispatch_buffer = m;
1847 }
1848
1849
1850 void LyXFunc::setStatusMessage(string const & m) const
1851 {
1852         status_buffer = m;
1853 }
1854
1855
1856 string const LyXFunc::view_status_message()
1857 {
1858         // When meta-fake key is pressed, show the key sequence so far + "M-".
1859         if (wasMetaKey()) {
1860                 return keyseq.print() + "M-";
1861         }
1862
1863         // Else, when a non-complete key sequence is pressed,
1864         // show the available options.
1865         if (keyseq.length() > 0 && !keyseq.deleted()) {
1866                 return keyseq.printOptions();
1867         }
1868
1869         if (!owner->view()->available())
1870                 return _("Welcome to LyX!");
1871
1872         return currentState(owner->view());
1873 }