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 "ColorHandler.h"
  24 #include "lyxserver.h"
  25 #include "intl.h"
  26 #include "lyx_main.h"
  27 #include "lyx_cb.h"
  28 #include "LyXAction.h"
  29 #include "debug.h"
  30 #include "lyxrc.h"
  31 #include "lyxtext.h"
  32 #include "gettext.h"
  33 #include "Lsstream.h"
  34 #include "trans_mgr.h"
  35 #include "layout.h"
  36 #include "WorkArea.h"
  37 #include "bufferview_funcs.h"
  38 #include "minibuffer.h"
  39 #include "vspace.h"
  40 #include "LyXView.h"
  41 #include "lyx_gui_misc.h"
  42 #include "FloatList.h"
  43 #include "converter.h"
  44 #include "exporter.h"
  45 #include "importer.h"
  46 #include "FontLoader.h"
  47 #include "TextCache.h"
  48 #include "lyxfind.h"
  49 #include "undo_funcs.h"
  50 #include "ParagraphParameters.h"
  51 #include "figureForm.h"
  52
  53 #include "insets/inseturl.h"
  54 #include "insets/insetlatexaccent.h"
  55 #include "insets/insettoc.h"
  56 #include "insets/insetref.h"
  57 #include "insets/insetparent.h"
  58 #include "insets/insetindex.h"
  59 #include "insets/insetinclude.h"
  60 #include "insets/insetbib.h"
  61 #include "insets/insetcite.h"
  62 #include "insets/insettext.h"
  63 #include "insets/insetert.h"
  64 #include "insets/insetexternal.h"
  65 #include "insets/insetgraphics.h"
  66 #include "insets/insetfoot.h"
  67 #include "insets/insetmarginal.h"
  68 #include "insets/insetminipage.h"
  69 #include "insets/insetfloat.h"
  70 #if 0
  71 #include "insets/insetlist.h"
  72 #include "insets/insettheorem.h"
  73 #endif
  74 #include "insets/insettabular.h"
  75 #include "insets/insetcaption.h"
  76
  77 #include "mathed/formulamacro.h"
  78 #include "mathed/math_cursor.h"
  79 #include "mathed/math_inset.h"
  80
  81 #include "frontends/FileDialog.h"
  82 #include "frontends/Dialogs.h"
  83 #include "frontends/Toolbar.h"
  84 #include "frontends/Menubar.h"
  85 #include "frontends/Alert.h"
  86
  87 #include "support/lyxalgo.h"
  88 #include "support/LAssert.h"
  89 #include "support/filetools.h"
  90 #include "support/FileInfo.h"
  91 #include "support/syscall.h"
  92 #include "support/lstrings.h"
  93 #include "support/path.h"
  94 #include "support/lyxfunctional.h"
  95
  96 #include <ctime>
  97 #include <clocale>
  98 #include <cstdlib>
  99 #include <cctype>
 100
 101 #include <utility>
 102 #include <algorithm>
 103
 104
 105 using std::pair;
 106 using std::make_pair;
 107 using std::endl;
 108 using std::find_if;
 109
 110 extern BufferList bufferlist;
 111 extern LyXServer * lyxserver;
 112 extern bool selection_possible;
 113 extern void MenuSendto();
 114
 115 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 116
 117 extern void show_symbols_form(LyXFunc *);
 118
 119 extern LyXAction lyxaction;
 120 // (alkis)
 121 extern tex_accent_struct get_accent(kb_action action);
 122
 123 extern void ShowLatexLog();
 124
 125
 126 #if 0
 127
 128 ///
 129 class MiniBufferController : public SigC::Object {
 130 public:
 131         ///
 132         MiniBufferController() {
 133                 minibuffer
 134                         .cmdReady
 135                         .connect(slot(this,
 136                                       &MiniBufferController::receiveCommand));
 137                 minibuffer
 138                         .argReady
 139                         .connect(slot(this,
 140                                       &MiniBufferController::receiveArg));
 141         }
 142         ///
 143         void receiveCmd(string const & cmd) {}
 144         ///
 145         void receiveArg(string const & arg) {}
 146
 147
 148 private:
 149 };
 150
 151 namespace {
 152
 153 MiniBufferController mb_ctrl;
 154
 155 }
 156 #endif
 157
 158
 159 /* === globals =========================================================== */
 160
 161
 162 LyXFunc::LyXFunc(LyXView * o)
 163         : owner(o),
 164         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 165         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get())
 166 {
 167         meta_fake_bit = 0;
 168         lyx_dead_action = LFUN_NOACTION;
 169         lyx_calling_dead_action = LFUN_NOACTION;
 170 }
 171
 172
 173 inline
 174 LyXText * LyXFunc::TEXT(bool flag = true) const
 175 {
 176         if (flag)
 177                 return owner->view()->text;
 178         return owner->view()->getLyXText();
 179 }
 180
 181
 182 // I changed this func slightly. I commented out the ...FinishUndo(),
 183 // this means that all places that used to have a moveCursorUpdate, now
 184 // have a ...FinishUndo() as the preceeding statement. I have also added
 185 // a moveCursorUpdate to some of the functions that updated the cursor, but
 186 // that did not show its new position.
 187 inline
 188 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 189 {
 190         if (selecting || TEXT(flag)->selection.mark()) {
 191                 TEXT(flag)->setSelection(owner->view());
 192                 if (TEXT(flag)->bv_owner)
 193                     owner->view()->toggleToggle();
 194         }
 195         owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 196         owner->view()->showCursor();
 197
 198         /* ---> Everytime the cursor is moved, show the current font state. */
 199         // should this too me moved out of this func?
 200         owner->view()->setState();
 201 }
 202
 203
 204 void LyXFunc::handleKeyFunc(kb_action action)
 205 {
 206         char c = keyseq.getiso();
 207
 208         if (keyseq.length() > 1) {
 209                 c = 0;
 210         }
 211
 212         owner->getIntl()->getTrans()
 213                 .deadkey(c, get_accent(action).accent, TEXT(false));
 214         // Need to clear, in case the minibuffer calls these
 215         // actions
 216         keyseq.clear();
 217         // copied verbatim from do_accent_char
 218         owner->view()->update(TEXT(false),
 219                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 220         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 221 }
 222
 223
 224 void LyXFunc::processKeySym(KeySym keysym, unsigned int state)
 225 {
 226         string argument;
 227
 228         if (lyxerr.debugging(Debug::KEY)) {
 229                 char const * tmp = XKeysymToString(keysym);
 230                 string const stm = (tmp ? tmp : "");
 231                 lyxerr << "KeySym is "
 232                        << stm
 233                        << "["
 234                        << keysym << "] State is ["
 235                        << state << "]"
 236                        << endl;
 237         }
 238         // Do nothing if we have nothing (JMarc)
 239         if (keysym == NoSymbol) {
 240                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 241                                    << endl;
 242                 return;
 243         }
 244
 245         // Can we be sure that this will work for all X Window
 246         // implementations? (Lgb)
 247         // This code snippet makes lyx ignore some keys. Perhaps
 248         // all of them should be explictly mentioned?
 249         if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
 250             || keysym == XK_Mode_switch || keysym == 0x0) {
 251                 return;
 252         }
 253
 254         // Do a one-deep top-level lookup for
 255         // cancel and meta-fake keys. RVDK_PATCH_5
 256         cancel_meta_seq.reset();
 257
 258         int action = cancel_meta_seq.addkey(keysym, state
 259                                             &(ShiftMask|ControlMask
 260                                               |Mod1Mask));
 261         if (lyxerr.debugging(Debug::KEY)) {
 262                 lyxerr << "action first set to [" << action << "]" << endl;
 263         }
 264
 265         // When not cancel or meta-fake, do the normal lookup.
 266         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 267         // Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
 268         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 269                 if (lyxerr.debugging(Debug::KEY)) {
 270                         lyxerr << "meta_fake_bit is ["
 271                                << meta_fake_bit << "]" << endl;
 272                 }
 273                 // remove Caps Lock and Mod2 as a modifiers
 274                 action = keyseq.addkey(keysym,
 275                                        (state | meta_fake_bit)
 276                                        &(ShiftMask|ControlMask
 277                                          |Mod1Mask));
 278                 if (lyxerr.debugging(Debug::KEY)) {
 279                         lyxerr << "action now set to ["
 280                                << action << "]" << endl;
 281                 }
 282         }
 283         // Dont remove this unless you know what you are doing.
 284         meta_fake_bit = 0;
 285
 286         // can this happen now ?
 287         if (action == LFUN_NOACTION) {
 288                 action = LFUN_PREFIX;
 289         }
 290
 291         if (lyxerr.debugging(Debug::KEY)) {
 292                 lyxerr << "Key [action="
 293                        << action << "]["
 294                        << keyseq.print() << "]"
 295                        << endl;
 296         }
 297
 298         // already here we know if it any point in going further
 299         // why not return already here if action == -1 and
 300         // num_bytes == 0? (Lgb)
 301
 302         if (keyseq.length() > 1 && !keyseq.deleted()) {
 303                 owner->message(keyseq.print());
 304         }
 305
 306         if (action == LFUN_UNKNOWN_ACTION) {
 307                 // It is unknown, but what if we remove all
 308                 // the modifiers? (Lgb)
 309                 action = keyseq.addkey(keysym, 0);
 310
 311                 if (lyxerr.debugging(Debug::KEY)) {
 312                         lyxerr << "Removing modifiers...\n"
 313                                << "Action now set to ["
 314                                << action << "]" << endl;
 315                 }
 316                 if (action == LFUN_UNKNOWN_ACTION) {
 317                         owner->message(_("Unknown function."));
 318                         return;
 319                 }
 320         }
 321
 322         if (action == LFUN_SELFINSERT) {
 323                 // This is very X dependent.
 324                 unsigned int c = keysym;
 325                 string argument;
 326
 327                 c = kb_keymap::getiso(c);
 328
 329                 if (c > 0)
 330                         argument = static_cast<char>(c);
 331
 332                 dispatch(LFUN_SELFINSERT, argument);
 333                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 334                                    << argument << "']" << endl;
 335         }
 336         else
 337                 verboseDispatch(action, false);
 338 }
 339
 340
 341 FuncStatus LyXFunc::getStatus(int ac) const
 342 {
 343         kb_action action;
 344         string argument;
 345         action = lyxaction.retrieveActionArg(ac, argument);
 346         return getStatus(action, argument);
 347 }
 348
 349
 350 FuncStatus LyXFunc::getStatus(kb_action action,
 351                               string const & argument) const
 352 {
 353         FuncStatus flag;
 354         Buffer * buf = owner->buffer();
 355
 356         if (action == LFUN_UNKNOWN_ACTION) {
 357                 setStatusMessage(N_("Unknown action"));
 358                 return flag.unknown(true);
 359         }
 360
 361         // the default error message if we disable the command
 362         setStatusMessage(N_("Command disabled"));
 363
 364         // Check whether we need a buffer
 365         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 366                 // Yes we need a buffer, do we have one?
 367                 if (buf) {
 368                         // yes
 369                         // Can we use a readonly buffer?
 370                         if (buf->isReadonly() &&
 371                             !lyxaction.funcHasFlag(action,
 372                                                    LyXAction::ReadOnly)) {
 373                                 // no
 374                                 setStatusMessage(N_("Document is read-only"));
 375                                 flag.disabled(true);
 376                         }
 377                 } else {
 378                         // no
 379                         setStatusMessage(N_("Command not allowed with"
 380                                            "out any document open"));
 381                         return flag.disabled(true);
 382                 }
 383         }
 384
 385         UpdatableInset * tli = owner->view()->theLockingInset();
 386
 387         // I would really like to avoid having this switch and rather try to
 388         // encode this in the function itself.
 389         bool disable = false;
 390         switch (action) {
 391         case LFUN_MENUPRINT:
 392                 disable = !Exporter::IsExportable(buf, "dvi")
 393                         || lyxrc.print_command == "none";
 394                 break;
 395         case LFUN_EXPORT:
 396                 disable = argument == "fax" &&
 397                         !Exporter::IsExportable(buf, argument);
 398                 break;
 399         case LFUN_UNDO:
 400                 disable = buf->undostack.empty();
 401                 break;
 402         case LFUN_REDO:
 403                 disable = buf->redostack.empty();
 404                 break;
 405         case LFUN_SPELLCHECK:
 406                 disable = lyxrc.isp_command == "none";
 407                 break;
 408 #ifndef HAVE_LIBAIKSAURUS
 409         case LFUN_THESAURUS_ENTRY:
 410                 disable = true;
 411                 break;
 412 #endif
 413         case LFUN_RUNCHKTEX:
 414                 disable = lyxrc.chktex_command == "none";
 415                 break;
 416         case LFUN_BUILDPROG:
 417                 disable = !Exporter::IsExportable(buf, "program");
 418                 break;
 419
 420         case LFUN_LAYOUT_TABULAR:
 421                 disable = !tli
 422                         || (tli->lyxCode() != Inset::TABULAR_CODE
 423                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 424                 break;
 425
 426         case LFUN_LAYOUT:
 427         case LFUN_LAYOUT_PARAGRAPH: {
 428                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 429                 disable = inset && inset->forceDefaultParagraphs(inset);
 430                 break;
 431         }
 432
 433         case LFUN_TABULAR_FEATURE:
 434                 disable = true;
 435                 if (tli) {
 436                         FuncStatus ret;
 437                         //ret.disabled(true);
 438                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 439                                 ret = static_cast<InsetTabular *>(tli)
 440                                         ->getStatus(argument);
 441                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 442                                 ret = static_cast<InsetTabular *>
 443                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 444                                         ->getStatus(argument);
 445                         }
 446                         flag |= ret;
 447                         disable = false;
 448                 } else {
 449                         static InsetTabular inset(*owner->buffer(), 1, 1);
 450                         FuncStatus ret;
 451
 452                         disable = true;
 453                         ret = inset.getStatus(argument);
 454                         if (ret.onoff(true) || ret.onoff(false))
 455                                 flag.setOnOff(false);
 456                 }
 457                 break;
 458
 459         case LFUN_VC_REGISTER:
 460                 disable = buf->lyxvc.inUse();
 461                 break;
 462         case LFUN_VC_CHECKIN:
 463                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 464                 break;
 465         case LFUN_VC_CHECKOUT:
 466                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 467                 break;
 468         case LFUN_VC_REVERT:
 469         case LFUN_VC_UNDO:
 470         case LFUN_VC_HISTORY:
 471                 disable = !buf->lyxvc.inUse();
 472                 break;
 473         case LFUN_BOOKMARK_GOTO:
 474                 disable =  !owner->view()->
 475                         isSavedPosition(strToUnsignedInt(argument));
 476                 break;
 477
 478
 479         case LFUN_INSET_TOGGLE:
 480                 disable = (TEXT(false)->getInset() == 0);
 481                 break;
 482
 483         case LFUN_MATH_VALIGN:
 484                 if (mathcursor) {
 485                         char align = mathcursor->valign();
 486                         if (align == '\0') {
 487                                 disable = true;
 488                                 break;
 489                         }
 490                         if (argument.empty()) {
 491                                 flag.clear();
 492                                 break;
 493                         }
 494                         if (!contains("tcb", argument[0])) {
 495                                 disable = true;
 496                                 break;
 497                         }
 498                         flag.setOnOff(argument[0] == align);
 499                 } else
 500                         disable = true;
 501                 break;
 502
 503         case LFUN_MATH_HALIGN:
 504                 if (mathcursor) {
 505                         char align = mathcursor->halign();
 506                         if (align == '\0') {
 507                                 disable = true;
 508                                 break;
 509                         }
 510                         if (argument.empty()) {
 511                                 flag.clear();
 512                                 break;
 513                         }
 514                         if (!contains("lcr", argument[0])) {
 515                                 disable = true;
 516                                 break;
 517                         }
 518                         flag.setOnOff(argument[0] == align);
 519                 } else
 520                         disable = true;
 521                 break;
 522
 523         case LFUN_MATH_MUTATE:
 524                 if (tli && (tli->lyxCode() == Inset::MATH_CODE)) {
 525                         MathInsetTypes type = mathcursor->formula()->getType();
 526                         if (argument == "inline") {
 527                                 flag.setOnOff(type == LM_OT_SIMPLE);
 528                         } else if (argument == "display") {
 529                                 flag.setOnOff(type == LM_OT_EQUATION);
 530                         } else if (argument == "eqnarray") {
 531                                 flag.setOnOff(type == LM_OT_EQNARRAY);
 532                         } else if (argument == "align") {
 533                                 flag.setOnOff(type == LM_OT_ALIGN);
 534                         } else {
 535                                 disable = true;
 536                         }
 537                 } else
 538                         disable = true;
 539                 break;
 540
 541         // we just need to be in math mode to enable that
 542         case LFUN_MATH_SIZE:
 543         case LFUN_MATH_SPACE:
 544         case LFUN_MATH_LIMITS:
 545         case LFUN_MATH_NONUMBER:
 546         case LFUN_MATH_NUMBER:
 547                 disable = !mathcursor;
 548                 break;
 549
 550         // we need to be math mode and a math array for that
 551         // Hack: halign produces non-zero result iff we are in a math array
 552         case LFUN_MATH_ROW_INSERT:
 553         case LFUN_MATH_ROW_DELETE:
 554         case LFUN_MATH_COLUMN_INSERT:
 555         case LFUN_MATH_COLUMN_DELETE:
 556                 disable = !mathcursor || !mathcursor->halign();
 557                 break;
 558
 559         default:
 560                 break;
 561         }
 562
 563         // the functions which insert insets
 564         Inset::Code code = Inset::NO_CODE;
 565         switch (action) {
 566         case LFUN_INSET_TEXT:
 567                 code = Inset::TEXT_CODE;
 568                 break;
 569         case LFUN_INSET_ERT:
 570                 code = Inset::ERT_CODE;
 571                 break;
 572         case LFUN_FIGURE:
 573         case LFUN_INSET_GRAPHICS:
 574                 code = Inset::GRAPHICS_CODE;
 575                 break;
 576         case LFUN_INSET_FOOTNOTE:
 577                 code = Inset::FOOT_CODE;
 578                 break;
 579         case LFUN_DIALOG_TABULAR_INSERT:
 580         case LFUN_INSET_TABULAR:
 581                 code = Inset::TABULAR_CODE;
 582                 break;
 583         case LFUN_INSET_EXTERNAL:
 584                 code = Inset::EXTERNAL_CODE;
 585                 break;
 586         case LFUN_INSET_MARGINAL:
 587                 code = Inset::MARGIN_CODE;
 588                 break;
 589         case LFUN_INSET_MINIPAGE:
 590                 code = Inset::MINIPAGE_CODE;
 591                 break;
 592         case LFUN_INSET_FLOAT:
 593         case LFUN_INSET_WIDE_FLOAT:
 594                 code = Inset::FLOAT_CODE;
 595                 break;
 596         case LFUN_FLOAT_LIST:
 597                 code = Inset::FLOAT_LIST_CODE;
 598                 break;
 599 #if 0
 600         case LFUN_INSET_LIST:
 601                 code = Inset::LIST_CODE;
 602                 break;
 603         case LFUN_INSET_THEOREM:
 604                 code = Inset::THEOREM_CODE;
 605                 break;
 606 #endif
 607         case LFUN_INSET_CAPTION:
 608                 code = Inset::CAPTION_CODE;
 609                 break;
 610         case LFUN_INSERT_NOTE:
 611                 code = Inset::IGNORE_CODE;
 612                 break;
 613         case LFUN_INSERT_LABEL:
 614                 code = Inset::LABEL_CODE;
 615                 break;
 616         case LFUN_REF_INSERT:
 617                 code = Inset::REF_CODE;
 618                 break;
 619         case LFUN_CITATION_CREATE:
 620         case LFUN_CITATION_INSERT:
 621                 code = Inset::CITE_CODE;
 622                 break;
 623         case LFUN_INSERT_BIBTEX:
 624                 code = Inset::BIBTEX_CODE;
 625                 break;
 626         case LFUN_INDEX_INSERT:
 627         case LFUN_INDEX_INSERT_LAST:
 628         case LFUN_INDEX_CREATE:
 629                 code = Inset::INDEX_CODE;
 630                 break;
 631         case LFUN_INDEX_PRINT:
 632                 code = Inset::INDEX_PRINT_CODE;
 633                 break;
 634         case LFUN_CHILD_INSERT:
 635                 code = Inset::INCLUDE_CODE;
 636                 break;
 637         case LFUN_TOC_INSERT:
 638                 code = Inset::TOC_CODE;
 639                 break;
 640         case LFUN_PARENTINSERT:
 641                 code = Inset::PARENT_CODE;
 642                 break;
 643         case LFUN_HTMLURL:
 644         case LFUN_URL:
 645         case LFUN_INSERT_URL:
 646                 code = Inset::URL_CODE;
 647                 break;
 648         case LFUN_QUOTE:
 649                 // always allow this, since we will inset a raw quote
 650                 // if an inset is not allowed.
 651                 break;
 652         case LFUN_HYPHENATION:
 653         case LFUN_LIGATURE_BREAK:
 654         case LFUN_HFILL:
 655         case LFUN_MENU_SEPARATOR:
 656         case LFUN_LDOTS:
 657         case LFUN_END_OF_SENTENCE:
 658         case LFUN_PROTECTEDSPACE:
 659                 code = Inset::SPECIALCHAR_CODE;
 660                 break;
 661         default:
 662                 break;
 663         }
 664         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code)) {
 665                 disable = true;
 666         }
 667
 668         if (disable)
 669                         flag.disabled(true);
 670
 671         // A few general toggles
 672         switch (action) {
 673         case LFUN_READ_ONLY_TOGGLE:
 674                 flag.setOnOff(buf->isReadonly());
 675                 break;
 676         case LFUN_APPENDIX:
 677                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 678                 break;
 679         default:
 680                 break;
 681         }
 682
 683         // the font related toggles
 684         if (!mathcursor) {
 685                 LyXFont const & font = TEXT(false)->real_current_font;
 686                 switch (action) {
 687                 case LFUN_EMPH:
 688                         flag.setOnOff(font.emph() == LyXFont::ON);
 689                         break;
 690                 case LFUN_NOUN:
 691                         flag.setOnOff(font.noun() == LyXFont::ON);
 692                         break;
 693                 case LFUN_BOLD:
 694                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 695                         break;
 696                 case LFUN_SANS:
 697                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 698                         break;
 699                 case LFUN_ROMAN:
 700                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 701                         break;
 702                 case LFUN_CODE:
 703                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 704                         break;
 705                 default:
 706                         break;
 707                 }
 708         }
 709         else {
 710                 MathTextCodes tc = mathcursor->getLastCode();
 711                 switch (action) {
 712                 case LFUN_BOLD:
 713                         flag.setOnOff(tc == LM_TC_BF);
 714                         break;
 715                 case LFUN_SANS:
 716                         flag.setOnOff(tc == LM_TC_SF);
 717                         break;
 718                 case LFUN_EMPH:
 719                         flag.setOnOff(tc == LM_TC_CAL);
 720                         break;
 721                 case LFUN_ROMAN:
 722                         flag.setOnOff(tc == LM_TC_RM);
 723                         break;
 724                 case LFUN_CODE:
 725                         flag.setOnOff(tc == LM_TC_TT);
 726                         break;
 727                 case LFUN_NOUN:
 728                         flag.setOnOff(tc == LM_TC_BB);
 729                         break;
 730                 case LFUN_DEFAULT:
 731                         flag.setOnOff(tc == LM_TC_VAR);
 732                         break;
 733                 default:
 734                         break;
 735                 }
 736         }
 737
 738         return flag;
 739 }
 740
 741
 742 // temporary dispatch method
 743 void LyXFunc::miniDispatch(string const & s)
 744 {
 745         string s2(frontStrip(strip(s)));
 746
 747         if (!s2.empty()) {
 748                 verboseDispatch(s2, true);
 749         }
 750 }
 751
 752
 753 void LyXFunc::verboseDispatch(string const & s, bool show_sc)
 754 {
 755         int action = lyxaction.LookupFunc(frontStrip(s));
 756
 757         if (action == LFUN_UNKNOWN_ACTION) {
 758                 string const msg = string(_("Unknown function ("))
 759                         + s + ")";
 760                 owner->message(msg);
 761         } else {
 762                 verboseDispatch(action, show_sc);
 763         }
 764 }
 765
 766
 767 void LyXFunc::verboseDispatch(int ac, bool show_sc)
 768 {
 769         string argument;
 770         kb_action action;
 771
 772         // get the real action and argument
 773         action = lyxaction.retrieveActionArg(ac, argument);
 774
 775         verboseDispatch(action, argument, show_sc);
 776 }
 777
 778
 779
 780 void LyXFunc::verboseDispatch(kb_action action,
 781                               string const & argument, bool show_sc)
 782 {
 783         string res = dispatch(action, argument);
 784
 785         commandshortcut.erase();
 786
 787         if (lyxrc.display_shortcuts && show_sc) {
 788                 if (action != LFUN_SELFINSERT) {
 789                         // Put name of command and list of shortcuts
 790                         // for it in minibuffer
 791                         string comname = lyxaction.getActionName(action);
 792
 793                         int pseudoaction = action;
 794                         bool argsadded = false;
 795
 796                         if (!argument.empty()) {
 797                                 // the pseudoaction is useful for the bindings
 798                                 pseudoaction =
 799                                         lyxaction.searchActionArg(action,
 800                                                                   argument);
 801
 802                                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
 803                                         pseudoaction = action;
 804                                 } else {
 805                                         comname += " " + argument;
 806                                         argsadded = true;
 807                                 }
 808                         }
 809
 810                         string const shortcuts =
 811                                 toplevel_keymap->findbinding(pseudoaction);
 812
 813                         if (!shortcuts.empty()) {
 814                                 comname += ": " + shortcuts;
 815                         } else if (!argsadded && !argument.empty()) {
 816                                 comname += " " + argument;
 817                         }
 818
 819                         if (!comname.empty()) {
 820                                 comname = strip(comname);
 821                                 commandshortcut = "(" + comname + ')';
 822                         }
 823                 }
 824         }
 825
 826         if (res.empty()) {
 827                 if (!commandshortcut.empty()) {
 828                         owner->getMiniBuffer()->addSet(commandshortcut);
 829                 }
 830         } else {
 831                 owner->getMiniBuffer()->addSet(' ' + commandshortcut);
 832         }
 833 }
 834
 835
 836 string const LyXFunc::dispatch(kb_action action, string argument)
 837 {
 838         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << action
 839                               <<"] arg[" << argument << "]" << endl;
 840
 841         // we have not done anything wrong yet.
 842         errorstat = false;
 843         dispatch_buffer.erase();
 844
 845 #ifdef NEW_DISPATCHER
 846         // We try do call the most specific dispatcher first:
 847         //  1. the lockinginset's dispatch
 848         //  2. the bufferview's dispatch
 849         //  3. the lyxview's dispatch
 850 #endif
 851
 852         selection_possible = false;
 853
 854         if (owner->view()->available())
 855                 owner->view()->hideCursor();
 856
 857         // We cannot use this function here
 858         if (getStatus(action, argument).disabled()) {
 859                 lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: "
 860                        << lyxaction.getActionName(action)
 861                        << " [" << action << "] is disabled at this location"
 862                        << endl;
 863                 setErrorMessage(getStatusMessage());
 864                 goto exit_with_message;
 865         }
 866
 867         if (owner->view()->available() && owner->view()->theLockingInset()) {
 868                 UpdatableInset::RESULT result;
 869                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 870                                      (!keyseq.deleted())))
 871                 {
 872                         if ((action == LFUN_UNKNOWN_ACTION)
 873                             && argument.empty()){
 874                                 argument = keyseq.getiso();
 875                         }
 876                         // Undo/Redo is a bit tricky for insets.
 877                         if (action == LFUN_UNDO) {
 878                                 owner->view()->menuUndo();
 879                                 goto exit_with_message;
 880                         } else if (action == LFUN_REDO) {
 881                                 owner->view()->menuRedo();
 882                                 goto exit_with_message;
 883                         } else if (((result=owner->view()->theLockingInset()->
 884                                      // Hand-over to inset's own dispatch:
 885                                      localDispatch(owner->view(), action, argument)) ==
 886                                     UpdatableInset::DISPATCHED) ||
 887                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 888                                 goto exit_with_message;
 889                                         // If UNDISPATCHED, just soldier on
 890                         else if (result == UpdatableInset::FINISHED) {
 891                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 892                                                 TEXT()->cursorRight(owner->view());
 893                                                 moveCursorUpdate(true, false);
 894                                                 owner->showState();
 895                                         }
 896                                         goto exit_with_message;
 897                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 898                                 if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 899                                         TEXT()->cursorRight(owner->view());
 900                                         moveCursorUpdate(true, false);
 901                                         owner->showState();
 902                                 }
 903                                 goto exit_with_message;
 904                         } else if (result == UpdatableInset::FINISHED_UP) {
 905                                 if (TEXT()->cursor.row()->previous()) {
 906                                         TEXT()->cursorUp(owner->view());
 907                                         moveCursorUpdate(true, false);
 908                                         owner->showState();
 909                                 }
 910                                 goto exit_with_message;
 911                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 912                                 if (TEXT()->cursor.row()->next())
 913                                         TEXT()->cursorDown(owner->view());
 914                                 else
 915                                         TEXT()->cursorRight(owner->view());
 916                                 moveCursorUpdate(true, false);
 917                                 owner->showState();
 918                                 goto exit_with_message;
 919                         } else {
 920                                 //setMessage(N_("Text mode"));
 921                                 switch (action) {
 922                                 case LFUN_UNKNOWN_ACTION:
 923                                 case LFUN_BREAKPARAGRAPH:
 924                                 case LFUN_BREAKLINE:
 925                                         TEXT()->cursorRight(owner->view());
 926                                         owner->view()->setState();
 927                                         owner->showState();
 928                                         break;
 929                                 case LFUN_RIGHT:
 930                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 931                                                 TEXT()->cursorRight(owner->view());
 932                                                 moveCursorUpdate(true, false);
 933                                                 owner->showState();
 934                                         }
 935                                         goto exit_with_message;
 936                                 case LFUN_LEFT:
 937                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 938                                                 TEXT()->cursorRight(owner->view());
 939                                                 moveCursorUpdate(true, false);
 940                                                 owner->showState();
 941                                         }
 942                                         goto exit_with_message;
 943                                 case LFUN_DOWN:
 944                                         if (TEXT()->cursor.row()->next())
 945                                                 TEXT()->cursorDown(owner->view());
 946                                         else
 947                                                 TEXT()->cursorRight(owner->view());
 948                                         moveCursorUpdate(true, false);
 949                                         owner->showState();
 950                                         goto exit_with_message;
 951                                 default:
 952                                         break;
 953                                 }
 954                         }
 955                 }
 956         }
 957
 958         switch (action) {
 959
 960         case LFUN_ESCAPE:
 961         {
 962                 if (!owner->view()->available()) break;
 963                 // this function should be used always [asierra060396]
 964                 UpdatableInset * tli =
 965                         owner->view()->theLockingInset();
 966                 if (tli) {
 967                         UpdatableInset * lock = tli->getLockingInset();
 968
 969                         if (tli == lock) {
 970                                 owner->view()->unlockInset(tli);
 971                                 TEXT()->cursorRight(owner->view());
 972                                 moveCursorUpdate(true, false);
 973                                 owner->showState();
 974                         } else {
 975                                 tli->unlockInsetInInset(owner->view(),
 976                                                         lock,
 977                                                         true);
 978                         }
 979                         finishUndo();
 980                 }
 981         }
 982         break;
 983
 984                 // --- Misc -------------------------------------------
 985         case LFUN_WORDFINDFORWARD  :
 986         case LFUN_WORDFINDBACKWARD : {
 987                 static string last_search;
 988                 string searched_string;
 989
 990                 if (!argument.empty()) {
 991                         last_search = argument;
 992                         searched_string = argument;
 993                 } else {
 994                         searched_string = last_search;
 995                 }
 996                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 997                 if (!searched_string.empty()) {
 998                         LyXFind(owner->view(), searched_string, fw);
 999                 }
1000 //              owner->view()->showCursor();
1001         }
1002         break;
1003
1004         case LFUN_PREFIX:
1005         {
1006                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
1007                         owner->view()->update(TEXT(),
1008                                               BufferView::SELECT|BufferView::FITCUR);
1009                 }
1010                 owner->message(keyseq.print());
1011         }
1012         break;
1013
1014         // --- Misc -------------------------------------------
1015         case LFUN_EXEC_COMMAND:
1016         {
1017                 std::vector<string> allCmds;
1018                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
1019                                std::back_inserter(allCmds), lyx::firster());
1020                 static std::vector<string> hist;
1021                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
1022                                                   allCmds, hist);
1023         }
1024         break;
1025
1026         case LFUN_CANCEL:                   // RVDK_PATCH_5
1027                 keyseq.reset();
1028                 meta_fake_bit = 0;
1029                 if (owner->view()->available())
1030                         // cancel any selection
1031                         dispatch(LFUN_MARK_OFF);
1032                 setMessage(N_("Cancel"));
1033                 break;
1034
1035         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
1036         {
1037                 meta_fake_bit = Mod1Mask;
1038                 setMessage(keyseq.print());
1039         }
1040         break;
1041
1042         case LFUN_READ_ONLY_TOGGLE:
1043                 if (owner->buffer()->lyxvc.inUse()) {
1044                         owner->buffer()->lyxvc.toggleReadOnly();
1045                 } else {
1046                         owner->buffer()->setReadonly(
1047                                 !owner->buffer()->isReadonly());
1048                 }
1049                 break;
1050
1051         case LFUN_CENTER: // this is center and redraw.
1052                 owner->view()->center();
1053                 break;
1054
1055                 // --- Menus -----------------------------------------------
1056         case LFUN_MENUNEW:
1057                 menuNew(false);
1058                 break;
1059
1060         case LFUN_MENUNEWTMPLT:
1061                 menuNew(true);
1062                 break;
1063
1064         case LFUN_CLOSEBUFFER:
1065                 closeBuffer();
1066                 break;
1067
1068         case LFUN_MENUWRITE:
1069                 if (!owner->buffer()->isUnnamed()) {
1070                         ostringstream s1;
1071                         s1 << _("Saving document") << ' '
1072                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
1073                         owner->message(s1.str().c_str());
1074                         MenuWrite(owner->view(), owner->buffer());
1075                 } else
1076                         WriteAs(owner->view(), owner->buffer());
1077                 break;
1078
1079         case LFUN_WRITEAS:
1080                 WriteAs(owner->view(), owner->buffer(), argument);
1081                 break;
1082
1083         case LFUN_MENURELOAD:
1084                 reloadBuffer();
1085                 break;
1086
1087         case LFUN_UPDATE:
1088                 Exporter::Export(owner->buffer(), argument, true);
1089                 break;
1090
1091         case LFUN_PREVIEW:
1092                 Exporter::Preview(owner->buffer(), argument);
1093                 break;
1094
1095         case LFUN_BUILDPROG:
1096                 Exporter::Export(owner->buffer(), "program", true);
1097                 break;
1098
1099         case LFUN_RUNCHKTEX:
1100                 MenuRunChktex(owner->buffer());
1101                 break;
1102
1103         case LFUN_MENUPRINT:
1104                 owner->getDialogs()->showPrint();
1105                 break;
1106
1107         case LFUN_EXPORT:
1108                 if (argument == "custom")
1109                         MenuSendto();
1110                 else
1111                         Exporter::Export(owner->buffer(), argument, false);
1112                 break;
1113
1114         case LFUN_IMPORT:
1115                 doImport(argument);
1116                 break;
1117
1118         case LFUN_QUIT:
1119                 QuitLyX();
1120                 break;
1121
1122         case LFUN_TOCVIEW:
1123 #if 0
1124         case LFUN_LOFVIEW:
1125         case LFUN_LOTVIEW:
1126         case LFUN_LOAVIEW:
1127 #endif
1128         {
1129                 InsetCommandParams p;
1130
1131 #if 0
1132                 if (action == LFUN_TOCVIEW)
1133 #endif
1134                         p.setCmdName("tableofcontents");
1135 #if 0
1136                 else if (action == LFUN_LOAVIEW )
1137                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1138                 else if (action == LFUN_LOFVIEW)
1139                         p.setCmdName("listoffigures");
1140                 else
1141                         p.setCmdName("listoftables");
1142 #endif
1143                 owner->getDialogs()->createTOC(p.getAsString());
1144                 break;
1145         }
1146
1147         case LFUN_DIALOG_TABULAR_INSERT:
1148                 owner->getDialogs()->showTabularCreate();
1149                 break;
1150
1151         case LFUN_FIGURE:
1152                 Figure();
1153                 break;
1154
1155         case LFUN_AUTOSAVE:
1156                 AutoSave(owner->view());
1157                 break;
1158
1159         case LFUN_UNDO:
1160                 owner->view()->menuUndo();
1161                 break;
1162
1163         case LFUN_REDO:
1164                 owner->view()->menuRedo();
1165                 break;
1166
1167         case LFUN_MENUSEARCH:
1168                 owner->getDialogs()->showSearch();
1169                 break;
1170
1171         case LFUN_REMOVEERRORS:
1172                 if (owner->view()->removeAutoInsets()) {
1173                         owner->view()->redraw();
1174                         owner->view()->fitCursor();
1175                 }
1176                 break;
1177
1178         case LFUN_DEPTH:
1179                 changeDepth(owner->view(), TEXT(false), 0);
1180                 break;
1181
1182         case LFUN_DEPTH_MIN:
1183                 changeDepth(owner->view(), TEXT(false), -1);
1184                 break;
1185
1186         case LFUN_DEPTH_PLUS:
1187                 changeDepth(owner->view(), TEXT(false), 1);
1188                 break;
1189
1190         case LFUN_FREE:
1191                 owner->getDialogs()->setUserFreeFont();
1192                 break;
1193
1194         case LFUN_RECONFIGURE:
1195                 Reconfigure(owner->view());
1196                 break;
1197
1198 #if 0
1199         case LFUN_FLOATSOPERATE:
1200                 if (argument == "openfoot")
1201                         owner->view()->allFloats(1,0);
1202                 else if (argument == "closefoot")
1203                         owner->view()->allFloats(0,0);
1204                 else if (argument == "openfig")
1205                         owner->view()->allFloats(1,1);
1206                 else if (argument == "closefig")
1207                         owner->view()->allFloats(0,1);
1208                 break;
1209 #else
1210 #ifdef WITH_WARNINGS
1211 //#warning Find another implementation here (or another lyxfunc)!
1212 #endif
1213 #endif
1214         case LFUN_HELP_ABOUTLYX:
1215                 owner->getDialogs()->showAboutlyx();
1216                 break;
1217
1218         case LFUN_HELP_TEXINFO:
1219                 owner->getDialogs()->showTexinfo();
1220                 break;
1221
1222         case LFUN_HELP_OPEN:
1223         {
1224                 string const arg = argument;
1225                 if (arg.empty()) {
1226                         setErrorMessage(N_("Missing argument"));
1227                         break;
1228                 }
1229                 owner->prohibitInput();
1230                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1231                 if (fname.empty()) {
1232                         lyxerr << "LyX: unable to find documentation file `"
1233                                << arg << "'. Bad installation?" << endl;
1234                         owner->allowInput();
1235                         break;
1236                 }
1237                 ostringstream str;
1238                 str << _("Opening help file") << ' '
1239                     << MakeDisplayPath(fname) << "...";
1240                 owner->message(str.str().c_str());
1241                 owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
1242                 owner->allowInput();
1243                 break;
1244         }
1245
1246                 // --- version control -------------------------------
1247         case LFUN_VC_REGISTER:
1248         {
1249                 if (!owner->buffer()->lyxvc.inUse())
1250                         owner->buffer()->lyxvc.registrer();
1251         }
1252         break;
1253
1254         case LFUN_VC_CHECKIN:
1255         {
1256                 if (owner->buffer()->lyxvc.inUse()
1257                     && !owner->buffer()->isReadonly())
1258                         owner->buffer()->lyxvc.checkIn();
1259         }
1260         break;
1261
1262         case LFUN_VC_CHECKOUT:
1263         {
1264                 if (owner->buffer()->lyxvc.inUse()
1265                     && owner->buffer()->isReadonly())
1266                         owner->buffer()->lyxvc.checkOut();
1267         }
1268         break;
1269
1270         case LFUN_VC_REVERT:
1271         {
1272                 owner->buffer()->lyxvc.revert();
1273         }
1274         break;
1275
1276         case LFUN_VC_UNDO:
1277         {
1278                 owner->buffer()->lyxvc.undoLast();
1279         }
1280         break;
1281
1282         case LFUN_VC_HISTORY:
1283         {
1284                 owner->getDialogs()->showVCLogFile();
1285                 break;
1286         }
1287
1288         // --- buffers ----------------------------------------
1289
1290         case LFUN_SWITCHBUFFER:
1291                 owner->view()->buffer(bufferlist.getBuffer(argument));
1292                 break;
1293
1294         case LFUN_FILE_NEW:
1295         {
1296                 // servercmd: argument must be <file>:<template>
1297                 Buffer * tmpbuf = NewLyxFile(argument);
1298                 if (tmpbuf)
1299                         owner->view()->buffer(tmpbuf);
1300         }
1301         break;
1302
1303         case LFUN_FILE_OPEN:
1304                 open(argument);
1305                 break;
1306
1307         case LFUN_LATEX_LOG:
1308                 owner->getDialogs()->showLogFile();
1309                 break;
1310
1311         case LFUN_LAYOUT_DOCUMENT:
1312                 owner->getDialogs()->showDocument();
1313                 break;
1314
1315         case LFUN_LAYOUT_PARAGRAPH:
1316                 owner->getDialogs()->showParagraph();
1317                 break;
1318
1319         case LFUN_LAYOUT_CHARACTER:
1320                 owner->getDialogs()->showCharacter();
1321                 break;
1322
1323         case LFUN_LAYOUT_TABULAR:
1324             if (owner->view()->theLockingInset()) {
1325                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1326                     InsetTabular * inset = static_cast<InsetTabular *>
1327                         (owner->view()->theLockingInset());
1328                     inset->openLayoutDialog(owner->view());
1329                 } else if (owner->view()->theLockingInset()->
1330                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1331                     InsetTabular * inset = static_cast<InsetTabular *>(
1332                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1333                     inset->openLayoutDialog(owner->view());
1334                 }
1335             }
1336             break;
1337
1338         case LFUN_LAYOUT_PREAMBLE:
1339                 owner->getDialogs()->showPreamble();
1340                 break;
1341
1342         case LFUN_DROP_LAYOUTS_CHOICE:
1343                 owner->getToolbar()->openLayoutList();
1344                 break;
1345
1346         case LFUN_MENU_OPEN_BY_NAME:
1347                 owner->getMenubar()->openByName(argument);
1348                 break; // RVDK_PATCH_5
1349
1350         case LFUN_SPELLCHECK:
1351                 if (lyxrc.isp_command != "none")
1352                         owner->getDialogs()->showSpellchecker();
1353                 break;
1354
1355         // --- lyxserver commands ----------------------------
1356
1357
1358         case LFUN_GETNAME:
1359                 setMessage(owner->buffer()->fileName());
1360                 lyxerr[Debug::INFO] << "FNAME["
1361                                << owner->buffer()->fileName()
1362                                << "] " << endl;
1363                 break;
1364
1365         case LFUN_NOTIFY:
1366         {
1367                 dispatch_buffer = keyseq.print();
1368                 lyxserver->notifyClient(dispatch_buffer);
1369         }
1370         break;
1371
1372         case LFUN_GOTOFILEROW:
1373         {
1374                 string file_name;
1375                 int row;
1376                 istringstream istr(argument.c_str());
1377                 istr >> file_name >> row;
1378                 // Must replace extension of the file to be .lyx and get full path
1379                 string const s(ChangeExtension(file_name, ".lyx"));
1380
1381                 // Either change buffer or load the file
1382                 if (bufferlist.exists(s)) {
1383                         owner->view()->buffer(bufferlist.getBuffer(s));
1384                 } else {
1385                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1386                 }
1387
1388                 // Set the cursor
1389                 owner->view()->setCursorFromRow(row);
1390
1391                 // Recenter screen
1392                 owner->view()->center();
1393         }
1394         break;
1395
1396         case LFUN_GOTO_PARAGRAPH:
1397         {
1398                 istringstream istr(argument.c_str());
1399
1400                 int id;
1401                 istr >> id;
1402                 Paragraph * par = owner->buffer()->getParFromID(id);
1403                 if (par == 0) {
1404                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1405                                             << id << "]" << std::endl;
1406                         break;
1407                 } else {
1408                         lyxerr << "Paragraph " << par->id()
1409                                << " found." << endl;
1410                 }
1411
1412                 if (owner->view()->theLockingInset())
1413                         owner->view()->unlockInset(owner->view()->theLockingInset());
1414                 if (par->inInset()) {
1415                         par->inInset()->edit(owner->view());
1416                 }
1417                 // Set the cursor
1418                 owner->view()->getLyXText()->setCursor(owner->view(), par, 0);
1419                 owner->view()->setState();
1420                 owner->showState();
1421
1422                 // Recenter screen
1423                 owner->view()->center();
1424         }
1425         break;
1426
1427         case LFUN_APROPOS:
1428         case LFUN_GETTIP:
1429         {
1430                 int const qa = lyxaction.LookupFunc(argument);
1431                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1432         }
1433         break;
1434
1435         // --- toolbar ----------------------------------
1436         case LFUN_PUSH_TOOLBAR:
1437         {
1438                 int nth = strToInt(argument);
1439                 if (nth <= 0) {
1440                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1441                 } else {
1442                         owner->getToolbar()->push(nth);
1443                 }
1444         }
1445         break;
1446
1447         case LFUN_ADD_TO_TOOLBAR:
1448         {
1449                 if (lyxerr.debugging(Debug::GUI)) {
1450                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1451                                 "argument = `" << argument << '\'' << endl;
1452                 }
1453                 string tmp(argument);
1454                 //lyxerr <<string("Argument: ") + argument);
1455                 //lyxerr <<string("Tmp     : ") + tmp);
1456                 if (tmp.empty()) {
1457                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1458                 } else {
1459                         owner->getToolbar()->add(argument, false);
1460                         owner->getToolbar()->set();
1461                 }
1462         }
1463         break;
1464
1465         // --- insert characters ----------------------------------------
1466
1467         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1468         case LFUN_MATH_EXTERN:
1469         case LFUN_MATH_NUMBER:
1470         case LFUN_MATH_NONUMBER:
1471         case LFUN_MATH_LIMITS:
1472         {
1473                 setErrorMessage(N_("This is only allowed in math mode!"));
1474         }
1475         break;
1476
1477         // passthrough hat and underscore outside mathed:
1478         case LFUN_SUBSCRIPT:
1479                 dispatch(LFUN_SELFINSERT, "_");
1480                 break;
1481         case LFUN_SUPERSCRIPT:
1482                 dispatch(LFUN_SELFINSERT, "^");
1483                 break;
1484
1485         case LFUN_MATH_PANEL:
1486                 owner->getDialogs()->showMathPanel();
1487                 break;
1488
1489         case LFUN_CITATION_CREATE:
1490         {
1491                 InsetCommandParams p( "cite" );
1492
1493                 if (!argument.empty()) {
1494                         // This should be set at source, ie when typing
1495                         // "citation-insert foo" in the minibuffer.
1496                         // Question: would pybibliographer also need to be
1497                         // changed. Suspect so. Leave as-is therefore.
1498                         if (contains(argument, "|")) {
1499                                 p.setContents( token(argument, '|', 0) );
1500                                 p.setOptions(  token(argument, '|', 1) );
1501                         } else {
1502                                 p.setContents( argument );
1503                         }
1504                         dispatch(LFUN_CITATION_INSERT, p.getAsString());
1505                 } else
1506                         owner->getDialogs()->createCitation( p.getAsString() );
1507         }
1508         break;
1509
1510         case LFUN_CHILDOPEN:
1511         {
1512                 string const filename =
1513                         MakeAbsPath(argument,
1514                                     owner->buffer()->filePath());
1515                 setMessage(N_("Opening child document ") +
1516                            MakeDisplayPath(filename) + "...");
1517                 owner->view()->savePosition(0);
1518                 if (bufferlist.exists(filename))
1519                         owner->view()->buffer(bufferlist.getBuffer(filename));
1520                 else
1521                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1522         }
1523         break;
1524
1525         case LFUN_TOGGLECURSORFOLLOW:
1526                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1527                 break;
1528
1529         case LFUN_KMAP_OFF:             // keymap off
1530                 owner->getIntl()->KeyMapOn(false);
1531                 break;
1532
1533         case LFUN_KMAP_PRIM:    // primary keymap
1534                 owner->getIntl()->KeyMapPrim();
1535                 break;
1536
1537         case LFUN_KMAP_SEC:             // secondary keymap
1538                 owner->getIntl()->KeyMapSec();
1539                 break;
1540
1541         case LFUN_KMAP_TOGGLE:  // toggle keymap
1542                 owner->getIntl()->ToggleKeyMap();
1543                 break;
1544
1545         case LFUN_SEQUENCE:
1546         {
1547                 // argument contains ';'-terminated commands
1548                 while (argument.find(';') != string::npos) {
1549                         string first;
1550                         argument = split(argument, first, ';');
1551                         verboseDispatch(first, false);
1552                 }
1553         }
1554         break;
1555
1556         case LFUN_DIALOG_PREFERENCES:
1557                 owner->getDialogs()->showPreferences();
1558                 break;
1559
1560         case LFUN_SAVEPREFERENCES:
1561         {
1562                 Path p(user_lyxdir);
1563                 lyxrc.write("preferences");
1564         }
1565         break;
1566
1567         case LFUN_SCREEN_FONT_UPDATE:
1568         {
1569                 // handle the screen font changes.
1570                 //
1571                 lyxrc.set_font_norm_type();
1572                 fontloader.update();
1573                 // Of course we should only do the resize and the textcache.clear
1574                 // if values really changed...but not very important right now. (Lgb)
1575                 // All visible buffers will need resize
1576                 owner->resize();
1577                 // We also need to empty the textcache so that
1578                 // the buffer will be formatted correctly after
1579                 // a zoom change.
1580                 textcache.clear();
1581         }
1582         break;
1583
1584         case LFUN_SET_COLOR:
1585         {
1586                 string lyx_name;
1587                 string const x11_name = split(argument, lyx_name, ' ');
1588                 if (lyx_name.empty() || x11_name.empty()) {
1589                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1590                                                 " <x11_name>"));
1591                         break;
1592                         }
1593
1594                 if (!lcolor.setColor(lyx_name, x11_name)) {
1595                         static string const err1 (N_("Set-color \""));
1596                         static string const err2 (
1597                                 N_("\" failed - color is undefined "
1598                                    "or may not be redefined"));
1599                         setErrorMessage(_(err1) + lyx_name + _(err2));
1600                         break;
1601                 }
1602                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1603                 owner->view()->redraw();
1604                 break;
1605         }
1606
1607         case LFUN_MESSAGE:
1608                 owner->message(argument);
1609                 break;
1610
1611         case LFUN_MESSAGE_PUSH:
1612                 owner->messagePush(argument);
1613                 break;
1614
1615         case LFUN_MESSAGE_POP:
1616                 owner->messagePop();
1617                 break;
1618
1619         default:
1620                 // Then if it was none of the above
1621                 // Trying the BufferView::pimpl dispatch:
1622                 if (!owner->view()->Dispatch(action, argument))
1623                         lyxerr << "A truly unknown func ["
1624                                << lyxaction.getActionName(action) << "]!"
1625                                << endl;
1626                 break;
1627         } // end of switch
1628
1629 exit_with_message:
1630
1631         string const res = getMessage();
1632
1633         if (!res.empty())
1634                 owner->message(_(res));
1635         owner->updateMenubar();
1636         owner->updateToolbar();
1637
1638         return res;
1639 }
1640
1641
1642 void LyXFunc::setupLocalKeymap()
1643 {
1644         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1645         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1646 }
1647
1648
1649 void LyXFunc::menuNew(bool fromTemplate)
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         static int newfile_number;
1661         string s;
1662
1663         if (lyxrc.new_ask_filename) {
1664                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1665                                    LFUN_SELECT_FILE_SYNC,
1666                         make_pair(string(_("Documents|#o#O")),
1667                                   string(lyxrc.document_path)),
1668                         make_pair(string(_("Templates|#T#t")),
1669                                   string(lyxrc.template_path)));
1670
1671                 FileDialog::Result result =
1672                         fileDlg.Select(initpath,
1673                                        _("*.lyx|LyX Documents (*.lyx)"),
1674                                        _("newfile"));
1675
1676                 if (result.second.empty()) {
1677                         owner->message(_("Canceled."));
1678                         lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
1679                         return;
1680                 }
1681
1682                 // get absolute path of file and make sure the filename ends
1683                 // with .lyx
1684                 s = MakeAbsPath(result.second);
1685                 if (!IsLyXFilename(s))
1686                         s += ".lyx";
1687
1688                 // Check if the document already is open
1689                 if (bufferlist.exists(s)) {
1690                         switch (Alert::askConfirmation(_("Document is already open:"),
1691                                                 MakeDisplayPath(s, 50),
1692                                                 _("Do you want to close that document now?\n"
1693                                                   "('No' will just switch to the open version)")))
1694                         {
1695                         case 1: // Yes: close the document
1696                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1697                                 // If close is canceled, we cancel here too.
1698                                         return;
1699                                 break;
1700                         case 2: // No: switch to the open document
1701                                 owner->view()->buffer(bufferlist.getBuffer(s));
1702                                 return;
1703                         case 3: // Cancel: Do nothing
1704                                 owner->message(_("Canceled."));
1705                                 return;
1706                         }
1707                 }
1708                 // Check whether the file already exists
1709                 FileInfo fi(s);
1710                 if (fi.readable() &&
1711                     Alert::askQuestion(_("File already exists:"),
1712                                 MakeDisplayPath(s, 50),
1713                                 _("Do you want to open the document?"))) {
1714                                 // loads document
1715                         string const disp_fn(MakeDisplayPath(s));
1716
1717                         ostringstream str;
1718                         str << _("Opening  document") << ' '
1719                             << disp_fn << "...";
1720
1721                         owner->message(str.str().c_str());
1722                         //XFlush(fl_get_display());
1723                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1724                         ostringstream str2;
1725                         str2 << _("Document") << ' '
1726                              << disp_fn << ' ' << _("opened.");
1727
1728                         owner->message(str2.str().c_str());
1729
1730                         return;
1731                 }
1732         } else {
1733                 s = AddName(lyxrc.document_path,
1734                             "newfile" + tostr(++newfile_number) + ".lyx");
1735                 FileInfo fi(s);
1736                 while (bufferlist.exists(s) || fi.readable()) {
1737                         ++newfile_number;
1738                         s = AddName(lyxrc.document_path,
1739                                     "newfile" + tostr(newfile_number) +
1740                                     ".lyx");
1741                         fi.newFile(s);
1742                 }
1743         }
1744
1745         // The template stuff
1746         string templname;
1747         if (fromTemplate) {
1748                 FileDialog fileDlg(owner, _("Select template file"),
1749                         LFUN_SELECT_FILE_SYNC,
1750                         make_pair(string(_("Documents|#o#O")),
1751                                   string(lyxrc.document_path)),
1752                         make_pair(string(_("Templates|#T#t")),
1753                                   string(lyxrc.template_path)));
1754
1755                 FileDialog::Result result =
1756                         fileDlg.Select(lyxrc.template_path,
1757                                        _("*.lyx|LyX Documents (*.lyx)"));
1758
1759                 if (result.first == FileDialog::Later)
1760                         return;
1761
1762                 string const fname = result.second;
1763
1764                 if (fname.empty())
1765                         return;
1766                 templname = fname;
1767         }
1768
1769         // find a free buffer
1770         lyxerr[Debug::INFO] << "Find a free buffer." << endl;
1771         owner->view()->buffer(bufferlist.newFile(s, templname));
1772 }
1773
1774
1775 void LyXFunc::open(string const & fname)
1776 {
1777         string initpath = lyxrc.document_path;
1778
1779         if (owner->view()->available()) {
1780                 string const trypath = owner->buffer()->filePath();
1781                 // If directory is writeable, use this as default.
1782                 if (IsDirWriteable(trypath))
1783                         initpath = trypath;
1784         }
1785
1786         string filename;
1787
1788         if (fname.empty()) {
1789                 FileDialog fileDlg(owner, _("Select document to open"),
1790                         LFUN_FILE_OPEN,
1791                         make_pair(string(_("Documents|#o#O")),
1792                                   string(lyxrc.document_path)),
1793                         make_pair(string(_("Examples|#E#e")),
1794                                   string(AddPath(system_lyxdir, "examples"))));
1795
1796                 FileDialog::Result result =
1797                         fileDlg.Select(initpath,
1798                                        "*.lyx|LyX Documents (*.lyx)");
1799
1800                 if (result.first == FileDialog::Later)
1801                         return;
1802
1803                 filename = result.second;
1804
1805                 // check selected filename
1806                 if (filename.empty()) {
1807                         owner->message(_("Canceled."));
1808                         return;
1809                 }
1810         } else
1811                 filename = fname;
1812
1813         // get absolute path of file and add ".lyx" to the filename if
1814         // necessary
1815         string const fullpath = FileSearch(string(), filename, "lyx");
1816         if (fullpath.empty()) {
1817                 Alert::alert(_("Error"), _("Could not find file"), filename);
1818                 return;
1819         }
1820
1821         filename = fullpath;
1822
1823         // loads document
1824         string const disp_fn(MakeDisplayPath(filename));
1825
1826         ostringstream str;
1827         str << _("Opening document") << ' ' << disp_fn << "...";
1828
1829         owner->message(str.str().c_str());
1830
1831         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1832         if (openbuf) {
1833                 owner->view()->buffer(openbuf);
1834                 ostringstream str;
1835                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1836                 owner->message(str.str().c_str());
1837         } else {
1838                 ostringstream str;
1839                 str << _("Could not open document") << ' ' << disp_fn;
1840                 owner->message(str.str().c_str());
1841         }
1842 }
1843
1844
1845 // checks for running without gui are missing.
1846 void LyXFunc::doImport(string const & argument)
1847 {
1848         string format;
1849         string filename = split(argument, format, ' ');
1850         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1851                             << " file: " << filename << endl;
1852
1853         if (filename.empty()) { // need user interaction
1854                 string initpath = lyxrc.document_path;
1855
1856                 if (owner->view()->available()) {
1857                         string const trypath = owner->buffer()->filePath();
1858                         // If directory is writeable, use this as default.
1859                         if (IsDirWriteable(trypath))
1860                                 initpath = trypath;
1861                 }
1862
1863                 string const text = _("Select ") + formats.prettyName(format)
1864                         + _(" file to import");
1865
1866                 FileDialog fileDlg(owner, text,
1867                         LFUN_IMPORT,
1868                         make_pair(string(_("Documents|#o#O")),
1869                                   string(lyxrc.document_path)),
1870                         make_pair(string(_("Examples|#E#e")),
1871                                   string(AddPath(system_lyxdir, "examples"))));
1872
1873                 string const extension = "*." + formats.extension(format)
1874                         + "| " + formats.prettyName(format)
1875                         + " (*." + formats.extension(format) + ")";
1876
1877                 FileDialog::Result result = fileDlg.Select(initpath,
1878                                                            extension);
1879
1880                 if (result.first == FileDialog::Later)
1881                         return;
1882
1883                 filename = result.second;
1884
1885                 // check selected filename
1886                 if (filename.empty())
1887                         owner->message(_("Canceled."));
1888         }
1889
1890         // still no filename? abort
1891         if (filename.empty())
1892                 return;
1893
1894         // get absolute path of file
1895         filename = MakeAbsPath(filename);
1896
1897         string const lyxfile = ChangeExtension(filename, ".lyx");
1898
1899         // Check if the document already is open
1900         if (bufferlist.exists(lyxfile)) {
1901                 switch (Alert::askConfirmation(_("Document is already open:"),
1902                                         MakeDisplayPath(lyxfile, 50),
1903                                         _("Do you want to close that document now?\n"
1904                                           "('No' will just switch to the open version)")))
1905                         {
1906                         case 1: // Yes: close the document
1907                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1908                                 // If close is canceled, we cancel here too.
1909                                         return;
1910                                 break;
1911                         case 2: // No: switch to the open document
1912                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1913                                 return;
1914                         case 3: // Cancel: Do nothing
1915                                 owner->message(_("Canceled."));
1916                                 return;
1917                         }
1918         }
1919
1920         // Check if a LyX document by the same root exists in filesystem
1921         FileInfo const f(lyxfile, true);
1922         if (f.exist() && !Alert::askQuestion(_("A document by the name"),
1923                                       MakeDisplayPath(lyxfile),
1924                                       _("already exists. Overwrite?"))) {
1925                 owner->message(_("Canceled"));
1926                 return;
1927         }
1928         // filename should be valid now
1929
1930         Importer::Import(owner, filename, format);
1931 }
1932
1933
1934 void LyXFunc::reloadBuffer()
1935 {
1936         string const fn = owner->buffer()->fileName();
1937         if (bufferlist.close(owner->buffer()))
1938                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1939 }
1940
1941
1942 void LyXFunc::closeBuffer()
1943 {
1944         if (bufferlist.close(owner->buffer()) && !quitting) {
1945                 if (bufferlist.empty()) {
1946                         // need this otherwise SEGV may occur while trying to
1947                         // set variables that don't exist
1948                         // since there's no current buffer
1949                         owner->getDialogs()->hideBufferDependent();
1950                 } else {
1951                         owner->view()->buffer(bufferlist.first());
1952                 }
1953         }
1954 }
1955
1956
1957 // Each "owner" should have it's own message method. lyxview and
1958 // the minibuffer would use the minibuffer, but lyxserver would
1959 // send an ERROR signal to its client.  Alejandro 970603
1960 // This func is bit problematic when it comes to NLS, to make the
1961 // lyx servers client be language indepenent we must not translate
1962 // strings sent to this func.
1963 void LyXFunc::setErrorMessage(string const & m) const
1964 {
1965         dispatch_buffer = m;
1966         errorstat = true;
1967 }
1968
1969
1970 void LyXFunc::setMessage(string const & m) const
1971 {
1972         dispatch_buffer = m;
1973 }
1974
1975
1976 void LyXFunc::setStatusMessage(string const & m) const
1977 {
1978         status_buffer = m;
1979 }
1980
1981
1982 void LyXFunc::initMiniBuffer()
1983 {
1984         string text = _("Welcome to LyX!");
1985
1986         // When meta-fake key is pressed, show the key sequence so far + "M-".
1987         if (wasMetaKey()) {
1988                 text = keyseq.print();
1989                 text += "M-";
1990         }
1991
1992         // Else, when a non-complete key sequence is pressed,
1993         // show the available options.
1994         if (keyseq.length() > 0 && !keyseq.deleted()) {
1995                 text = keyseq.printOptions();
1996         }
1997
1998         // Else, show the buffer state.
1999         else if (owner->view()->available()) {
2000                 Buffer * tmpbuf = owner->buffer();
2001
2002                 string const nicename =
2003                         MakeDisplayPath(tmpbuf->fileName());
2004                 // Should we do this instead? (kindo like emacs)
2005                 // leaves more room for other information
2006                 text = "LyX: ";
2007                 text += nicename;
2008                 if (tmpbuf->lyxvc.inUse()) {
2009                         text += " [";
2010                         text += tmpbuf->lyxvc.versionString();
2011                         text += ' ';
2012                         text += tmpbuf->lyxvc.locker();
2013                         if (tmpbuf->isReadonly())
2014                                 text += " (RO)";
2015                         text += ']';
2016                 } else if (tmpbuf->isReadonly())
2017                         text += " [RO]";
2018                 if (!tmpbuf->isLyxClean())
2019                         text += _(" (Changed)");
2020         } else {
2021                 if (text != _("Welcome to LyX!")) // this is a hack
2022                         text = _("* No document open *");
2023         }
2024
2025         owner->message(text);
2026 }
2027