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                 setErrorMessage(N_("Unknown action"));
 358                 return flag.unknown(true);
 359         }
 360
 361         // Check whether we need a buffer
 362         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 363                 // Yes we need a buffer, do we have one?
 364                 if (buf) {
 365                         // yes
 366                         // Can we use a readonly buffer?
 367                         if (buf->isReadonly() &&
 368                             !lyxaction.funcHasFlag(action,
 369                                                    LyXAction::ReadOnly)) {
 370                                 // no
 371                                 setErrorMessage(N_("Document is read-only"));
 372                                 flag.disabled(true);
 373                         }
 374                 } else {
 375                         // no
 376                         setErrorMessage(N_("Command not allowed with"
 377                                            "out any document open"));
 378                         return flag.disabled(true);
 379                 }
 380         }
 381
 382         // I would really like to avoid having this switch and rather try to
 383         // encode this in the function itself.
 384         bool disable = false;
 385         switch (action) {
 386         case LFUN_MENUPRINT:
 387                 disable = !Exporter::IsExportable(buf, "dvi")
 388                         || lyxrc.print_command == "none";
 389                 break;
 390         case LFUN_EXPORT:
 391                 disable = argument == "fax" &&
 392                         !Exporter::IsExportable(buf, argument);
 393                 break;
 394         case LFUN_UNDO:
 395                 disable = buf->undostack.empty();
 396                 break;
 397         case LFUN_REDO:
 398                 disable = buf->redostack.empty();
 399                 break;
 400         case LFUN_SPELLCHECK:
 401                 disable = lyxrc.isp_command == "none";
 402                 break;
 403 #ifndef HAVE_LIBAIKSAURUS
 404         case LFUN_THESAURUS_ENTRY:
 405                 disable = true;
 406                 break;
 407 #endif
 408         case LFUN_RUNCHKTEX:
 409                 disable = lyxrc.chktex_command == "none";
 410                 break;
 411         case LFUN_BUILDPROG:
 412                 disable = !Exporter::IsExportable(buf, "program");
 413                 break;
 414
 415         case LFUN_LAYOUT_TABULAR:
 416                 disable = true;
 417                 if (owner->view()->theLockingInset()) {
 418                         disable = (owner->view()->theLockingInset()->lyxCode() != Inset::TABULAR_CODE) &&
 419                                 !owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 420                 }
 421                 break;
 422
 423         case LFUN_TABULAR_FEATURE:
 424                 disable = true;
 425                 if (owner->view()->theLockingInset()) {
 426                         FuncStatus ret;
 427                         //ret.disabled(true);
 428                         if (owner->view()->theLockingInset()->lyxCode() == Inset::TABULAR_CODE) {
 429                                 ret = static_cast<InsetTabular *>
 430                                         (owner->view()->theLockingInset())->
 431                                         getStatus(argument);
 432                         } else if (owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 433                                 ret = static_cast<InsetTabular *>
 434                                         (owner->view()->theLockingInset()->
 435                                          getFirstLockingInsetOfType(Inset::TABULAR_CODE))->
 436                                         getStatus(argument);
 437                         }
 438                         flag |= ret;
 439                         disable = false;
 440                 } else {
 441                         static InsetTabular inset(*owner->buffer(), 1, 1);
 442                         FuncStatus ret;
 443
 444                         disable = true;
 445                         ret = inset.getStatus(argument);
 446                         if (ret.onoff(true) || ret.onoff(false)) flag.setOnOff(false);
 447                 }
 448                 break;
 449
 450         case LFUN_VC_REGISTER:
 451                 disable = buf->lyxvc.inUse();
 452                 break;
 453         case LFUN_VC_CHECKIN:
 454                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 455                 break;
 456         case LFUN_VC_CHECKOUT:
 457                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 458                 break;
 459         case LFUN_VC_REVERT:
 460         case LFUN_VC_UNDO:
 461         case LFUN_VC_HISTORY:
 462                 disable = !buf->lyxvc.inUse();
 463                 break;
 464         case LFUN_BOOKMARK_GOTO:
 465                 disable =  !owner->view()->
 466                         isSavedPosition(strToUnsignedInt(argument));
 467                 break;
 468
 469
 470         case LFUN_INSET_TOGGLE:
 471                 disable = (TEXT(false)->getInset() == 0);
 472                 break;
 473
 474         case LFUN_MATH_VALIGN: {
 475     // I think this test can be simplified (Andre')
 476                 // mathcursor is != 0  iff we are in math mode
 477                 //Inset * tli = owner->view()->theLockingInset();
 478                 //if (tli && (tli->lyxCode() == Inset::MATH_CODE
 479                 //          || tli->lyxCode() == Inset::MATHMACRO_CODE)) {
 480                 //
 481                 if (mathcursor) {
 482                         char align = mathcursor->valign();
 483                         if (align == '\0') {
 484                                 disable = true;
 485                                 break;
 486                         }
 487                         if (argument.empty()) {
 488                                 flag.clear();
 489                                 break;
 490                         }
 491                         if (!contains("tcb", argument[0])) {
 492                                 disable = true;
 493                                 break;
 494                         }
 495                         flag.setOnOff(argument[0] == align);
 496                 } else
 497                         disable = true;
 498                 break;
 499         }
 500         case LFUN_MATH_HALIGN: {
 501                 //Inset * tli = owner->view()->theLockingInset();
 502                 //if (tli && (tli->lyxCode() == Inset::MATH_CODE
 503                 //          || tli->lyxCode() == Inset::MATHMACRO_CODE)) {
 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                 Inset * tli = owner->view()->theLockingInset();
 525                 if (tli && (tli->lyxCode() == Inset::MATH_CODE)) {
 526                         MathInsetTypes type = mathcursor->formula()->getType();
 527                         if (argument == "inline") {
 528                                 flag.setOnOff(type == LM_OT_SIMPLE);
 529                         } else if (argument == "display") {
 530                                 flag.setOnOff(type == LM_OT_EQUATION);
 531                         } else if (argument == "eqnarray") {
 532                                 flag.setOnOff(type == LM_OT_EQNARRAY);
 533                         } else if (argument == "align") {
 534                                 flag.setOnOff(type == LM_OT_ALIGN);
 535                         } else {
 536                                 disable = true;
 537                         }
 538                 } else
 539                         disable = true;
 540                 break;
 541         }
 542
 543         // we just need to be in math mode to enable that
 544         case LFUN_MATH_SIZE:
 545         case LFUN_MATH_SPACE:
 546         case LFUN_MATH_LIMITS:
 547         case LFUN_MATH_NONUMBER:
 548         case LFUN_MATH_NUMBER:
 549                 disable = !mathcursor;
 550                 break;
 551
 552         // we need to be math mode and a math array for that
 553         // Hack: halign produces non-zero result iff we are in a math array
 554         case LFUN_MATH_ROW_INSERT:
 555         case LFUN_MATH_ROW_DELETE:
 556         case LFUN_MATH_COLUMN_INSERT:
 557         case LFUN_MATH_COLUMN_DELETE:
 558                 disable = !mathcursor || !mathcursor->halign();
 559                 break;
 560
 561         default:
 562                 break;
 563         }
 564
 565         // the functions which insert insets
 566         Inset::Code code = Inset::NO_CODE;
 567         switch (action) {
 568         case LFUN_INSET_TEXT:
 569                 code = Inset::TEXT_CODE;
 570                 break;
 571         case LFUN_INSET_ERT:
 572                 code = Inset::ERT_CODE;
 573                 break;
 574         case LFUN_FIGURE:
 575         case LFUN_INSET_GRAPHICS:
 576                 code = Inset::GRAPHICS_CODE;
 577                 break;
 578         case LFUN_INSET_FOOTNOTE:
 579                 code = Inset::FOOT_CODE;
 580                 break;
 581         case LFUN_DIALOG_TABULAR_INSERT:
 582         case LFUN_INSET_TABULAR:
 583                 code = Inset::TABULAR_CODE;
 584                 break;
 585         case LFUN_INSET_EXTERNAL:
 586                 code = Inset::EXTERNAL_CODE;
 587                 break;
 588         case LFUN_INSET_MARGINAL:
 589                 code = Inset::MARGIN_CODE;
 590                 break;
 591         case LFUN_INSET_MINIPAGE:
 592                 code = Inset::MINIPAGE_CODE;
 593                 break;
 594         case LFUN_INSET_FLOAT:
 595         case LFUN_INSET_WIDE_FLOAT:
 596                 code = Inset::FLOAT_CODE;
 597                 break;
 598         case LFUN_FLOAT_LIST:
 599                 code = Inset::FLOAT_LIST_CODE;
 600                 break;
 601 #if 0
 602         case LFUN_INSET_LIST:
 603                 code = Inset::LIST_CODE;
 604                 break;
 605         case LFUN_INSET_THEOREM:
 606                 code = Inset::THEOREM_CODE;
 607                 break;
 608 #endif
 609         case LFUN_INSET_CAPTION:
 610                 code = Inset::CAPTION_CODE;
 611                 break;
 612         case LFUN_INSERT_NOTE:
 613                 code = Inset::IGNORE_CODE;
 614                 break;
 615         case LFUN_INSERT_LABEL:
 616                 code = Inset::LABEL_CODE;
 617                 break;
 618         case LFUN_REF_INSERT:
 619                 code = Inset::REF_CODE;
 620                 break;
 621         case LFUN_CITATION_CREATE:
 622         case LFUN_CITATION_INSERT:
 623                 code = Inset::CITE_CODE;
 624                 break;
 625         case LFUN_INSERT_BIBTEX:
 626                 code = Inset::BIBTEX_CODE;
 627                 break;
 628         case LFUN_INDEX_INSERT:
 629         case LFUN_INDEX_INSERT_LAST:
 630         case LFUN_INDEX_CREATE:
 631                 code = Inset::INDEX_CODE;
 632                 break;
 633         case LFUN_INDEX_PRINT:
 634                 code = Inset::INDEX_PRINT_CODE;
 635                 break;
 636         case LFUN_CHILD_INSERT:
 637                 code = Inset::INCLUDE_CODE;
 638                 break;
 639         case LFUN_TOC_INSERT:
 640                 code = Inset::TOC_CODE;
 641                 break;
 642         case LFUN_PARENTINSERT:
 643                 code = Inset::PARENT_CODE;
 644                 break;
 645         case LFUN_HTMLURL:
 646         case LFUN_URL:
 647         case LFUN_INSERT_URL:
 648                 code = Inset::URL_CODE;
 649                 break;
 650         case LFUN_QUOTE:
 651                 // always allow this, since we will inset a raw quote
 652                 // if an inset is not allowed.
 653                 break;
 654         case LFUN_HYPHENATION:
 655         case LFUN_LIGATURE_BREAK:
 656         case LFUN_HFILL:
 657         case LFUN_MENU_SEPARATOR:
 658         case LFUN_LDOTS:
 659         case LFUN_END_OF_SENTENCE:
 660         case LFUN_PROTECTEDSPACE:
 661                 code = Inset::SPECIALCHAR_CODE;
 662                 break;
 663         default:
 664                 break;
 665         }
 666         if (code != Inset::NO_CODE
 667             && owner->view()->theLockingInset()
 668             && !owner->view()->theLockingInset()->insetAllowed(code)) {
 669                 disable = true;
 670         }
 671
 672         if (disable)
 673                         flag.disabled(true);
 674
 675         // A few general toggles
 676         switch (action) {
 677         case LFUN_READ_ONLY_TOGGLE:
 678                 flag.setOnOff(buf->isReadonly());
 679                 break;
 680         case LFUN_APPENDIX:
 681                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 682                 break;
 683         default:
 684                 break;
 685         }
 686
 687         // the font related toggles
 688         if (!mathcursor) {
 689                 LyXFont const & font = TEXT(false)->real_current_font;
 690                 switch (action) {
 691                 case LFUN_EMPH:
 692                         flag.setOnOff(font.emph() == LyXFont::ON);
 693                         break;
 694                 case LFUN_NOUN:
 695                         flag.setOnOff(font.noun() == LyXFont::ON);
 696                         break;
 697                 case LFUN_BOLD:
 698                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 699                         break;
 700                 case LFUN_SANS:
 701                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 702                         break;
 703                 case LFUN_ROMAN:
 704                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 705                         break;
 706                 case LFUN_CODE:
 707                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 708                         break;
 709                 default:
 710                         break;
 711                 }
 712         }
 713         else {
 714                 MathTextCodes tc = mathcursor->getLastCode();
 715                 switch (action) {
 716                 case LFUN_BOLD:
 717                         flag.setOnOff(tc == LM_TC_BF);
 718                         break;
 719                 case LFUN_SANS:
 720                         flag.setOnOff(tc == LM_TC_SF);
 721                         break;
 722                 case LFUN_EMPH:
 723                         flag.setOnOff(tc == LM_TC_CAL);
 724                         break;
 725                 case LFUN_ROMAN:
 726                         flag.setOnOff(tc == LM_TC_RM);
 727                         break;
 728                 case LFUN_CODE:
 729                         flag.setOnOff(tc == LM_TC_TT);
 730                         break;
 731                 case LFUN_NOUN:
 732                         flag.setOnOff(tc == LM_TC_BB);
 733                         break;
 734                 case LFUN_DEFAULT:
 735                         flag.setOnOff(tc == LM_TC_VAR);
 736                         break;
 737                 default:
 738                         break;
 739                 }
 740         }
 741
 742         return flag;
 743 }
 744
 745
 746 // temporary dispatch method
 747 void LyXFunc::miniDispatch(string const & s)
 748 {
 749         string s2(frontStrip(strip(s)));
 750
 751         if (!s2.empty()) {
 752                 verboseDispatch(s2, true);
 753         }
 754 }
 755
 756
 757 void const LyXFunc::verboseDispatch(string const & s, bool show_sc)
 758 {
 759         // Split command string into command and argument
 760         string cmd;
 761         string line = frontStrip(s);
 762         string const arg = strip(frontStrip(split(line, cmd, ' ')));
 763
 764         int action = lyxaction.LookupFunc(cmd);
 765
 766         if (action == LFUN_UNKNOWN_ACTION) {
 767                 string const msg = string(_("Unknown function ("))
 768                         + cmd + ")";
 769                 owner->message(msg);
 770         } else {
 771                 verboseDispatch(action, show_sc);
 772         }
 773 }
 774
 775
 776 void const LyXFunc::verboseDispatch(int ac, bool show_sc)
 777 {
 778         string argument;
 779         kb_action action;
 780
 781         // get the real action and argument
 782         action = lyxaction.retrieveActionArg(ac, argument);
 783
 784         verboseDispatch(action, argument, show_sc);
 785 }
 786
 787
 788
 789 void const LyXFunc::verboseDispatch(kb_action action,
 790                                     string const & argument, bool show_sc)
 791 {
 792         string res = dispatch(action, argument);
 793
 794         commandshortcut.erase();
 795
 796         if (lyxrc.display_shortcuts && show_sc) {
 797                 if (action != LFUN_SELFINSERT) {
 798                         // Put name of command and list of shortcuts
 799                         // for it in minibuffer
 800                         string comname = lyxaction.getActionName(action);
 801
 802                         int pseudoaction = action;
 803                         bool argsadded = false;
 804
 805                         if (!argument.empty()) {
 806                                 // the pseudoaction is useful for the bindings
 807                                 pseudoaction =
 808                                         lyxaction.searchActionArg(action,
 809                                                                   argument);
 810
 811                                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
 812                                         pseudoaction = action;
 813                                 } else {
 814                                         comname += " " + argument;
 815                                         argsadded = true;
 816                                 }
 817                         }
 818
 819                         string const shortcuts =
 820                                 toplevel_keymap->findbinding(pseudoaction);
 821
 822                         if (!shortcuts.empty()) {
 823                                 comname += ": " + shortcuts;
 824                         } else if (!argsadded && !argument.empty()) {
 825                                 comname += " " + argument;
 826                         }
 827
 828                         if (!comname.empty()) {
 829                                 comname = strip(comname);
 830                                 commandshortcut = "(" + comname + ')';
 831                         }
 832                 }
 833         }
 834
 835         if (res.empty()) {
 836                 if (!commandshortcut.empty()) {
 837                         owner->getMiniBuffer()->addSet(commandshortcut);
 838                 }
 839         } else {
 840                 owner->getMiniBuffer()->addSet(' ' + commandshortcut);
 841         }
 842 }
 843
 844
 845 string const LyXFunc::dispatch(kb_action action, string argument)
 846 {
 847         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << action
 848                               <<"] arg[" << argument << "]" << endl;
 849
 850         // we have not done anything wrong yet.
 851         errorstat = false;
 852         dispatch_buffer.erase();
 853
 854 #ifdef NEW_DISPATCHER
 855         // We try do call the most specific dispatcher first:
 856         //  1. the lockinginset's dispatch
 857         //  2. the bufferview's dispatch
 858         //  3. the lyxview's dispatch
 859 #endif
 860
 861         selection_possible = false;
 862
 863         if (owner->view()->available())
 864                 owner->view()->hideCursor();
 865
 866         // We cannot use this function here
 867         if (getStatus(action, argument).disabled()) {
 868                 lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: "
 869                        << lyxaction.getActionName(action)
 870                        << " [" << action << "] is disabled at this location"
 871                        << endl;
 872                 goto exit_with_message;
 873         }
 874
 875         if (owner->view()->available() && owner->view()->theLockingInset()) {
 876                 UpdatableInset::RESULT result;
 877                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 878                                      (!keyseq.deleted())))
 879                 {
 880                         if ((action == LFUN_UNKNOWN_ACTION)
 881                             && argument.empty()){
 882                                 argument = keyseq.getiso();
 883                         }
 884                         // Undo/Redo is a bit tricky for insets.
 885                         if (action == LFUN_UNDO) {
 886                                 owner->view()->menuUndo();
 887                                 return string();
 888                         } else if (action == LFUN_REDO) {
 889                                 owner->view()->menuRedo();
 890                                 return string();
 891                         } else if (((result=owner->view()->theLockingInset()->
 892                                      localDispatch(owner->view(), action, argument)) ==
 893                                     UpdatableInset::DISPATCHED) ||
 894                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 895                                 return string();
 896                         else if (result == UpdatableInset::FINISHED) {
 897                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 898                                                 TEXT()->cursorRight(owner->view());
 899                                                 moveCursorUpdate(true, false);
 900                                                 owner->showState();
 901                                         }
 902                                         return string();
 903                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 904                                 if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 905                                         TEXT()->cursorRight(owner->view());
 906                                         moveCursorUpdate(true, false);
 907                                         owner->showState();
 908                                 }
 909                                 return string();
 910                         } else if (result == UpdatableInset::FINISHED_UP) {
 911                                 if (TEXT()->cursor.row()->previous()) {
 912                                         TEXT()->cursorUp(owner->view());
 913                                         moveCursorUpdate(true, false);
 914                                         owner->showState();
 915                                 }
 916                                 return string();
 917                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 918                                 if (TEXT()->cursor.row()->next())
 919                                         TEXT()->cursorDown(owner->view());
 920                                 else
 921                                         TEXT()->cursorRight(owner->view());
 922                                 moveCursorUpdate(true, false);
 923                                 owner->showState();
 924                                 return string();
 925                         } else {
 926                                 //setMessage(N_("Text mode"));
 927                                 switch (action) {
 928                                 case LFUN_UNKNOWN_ACTION:
 929                                 case LFUN_BREAKPARAGRAPH:
 930                                 case LFUN_BREAKLINE:
 931                                         TEXT()->cursorRight(owner->view());
 932                                         owner->view()->setState();
 933                                         owner->showState();
 934                                         break;
 935                                 case LFUN_RIGHT:
 936                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 937                                                 TEXT()->cursorRight(owner->view());
 938                                                 moveCursorUpdate(true, false);
 939                                                 owner->showState();
 940                                         }
 941                                         return string();
 942                                 case LFUN_LEFT:
 943                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 944                                                 TEXT()->cursorRight(owner->view());
 945                                                 moveCursorUpdate(true, false);
 946                                                 owner->showState();
 947                                         }
 948                                         return string();
 949                                 case LFUN_DOWN:
 950                                         if (TEXT()->cursor.row()->next())
 951                                                 TEXT()->cursorDown(owner->view());
 952                                         else
 953                                                 TEXT()->cursorRight(owner->view());
 954                                         moveCursorUpdate(true, false);
 955                                         owner->showState();
 956                                         return string();
 957                                 default:
 958                                         break;
 959                                 }
 960                         }
 961                 }
 962         }
 963
 964         switch (action) {
 965
 966         case LFUN_ESCAPE:
 967         {
 968                 if (!owner->view()->available()) break;
 969                 // this function should be used always [asierra060396]
 970                 UpdatableInset * tli =
 971                         owner->view()->theLockingInset();
 972                 if (tli) {
 973                         UpdatableInset * lock = tli->getLockingInset();
 974
 975                         if (tli == lock) {
 976                                 owner->view()->unlockInset(tli);
 977                                 TEXT()->cursorRight(owner->view());
 978                                 moveCursorUpdate(true, false);
 979                                 owner->showState();
 980                         } else {
 981                                 tli->unlockInsetInInset(owner->view(),
 982                                                         lock,
 983                                                         true);
 984                         }
 985                         finishUndo();
 986                 }
 987         }
 988         break;
 989
 990                 // --- Misc -------------------------------------------
 991         case LFUN_WORDFINDFORWARD  :
 992         case LFUN_WORDFINDBACKWARD : {
 993                 static string last_search;
 994                 string searched_string;
 995
 996                 if (!argument.empty()) {
 997                         last_search = argument;
 998                         searched_string = argument;
 999                 } else {
1000                         searched_string = last_search;
1001                 }
1002                 bool fw = (action == LFUN_WORDFINDBACKWARD);
1003                 if (!searched_string.empty()) {
1004                         LyXFind(owner->view(), searched_string, fw);
1005                 }
1006 //              owner->view()->showCursor();
1007         }
1008         break;
1009
1010         case LFUN_PREFIX:
1011         {
1012                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
1013                         owner->view()->update(TEXT(),
1014                                               BufferView::SELECT|BufferView::FITCUR);
1015                 }
1016                 owner->message(keyseq.print());
1017         }
1018         break;
1019
1020         // --- Misc -------------------------------------------
1021         case LFUN_EXEC_COMMAND:
1022         {
1023                 std::vector<string> allCmds;
1024                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
1025                                std::back_inserter(allCmds), lyx::firster());
1026                 static std::vector<string> hist;
1027                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
1028                                                   allCmds, hist);
1029         }
1030         break;
1031
1032         case LFUN_CANCEL:                   // RVDK_PATCH_5
1033                 keyseq.reset();
1034                 meta_fake_bit = 0;
1035                 if (owner->view()->available())
1036                         // cancel any selection
1037                         dispatch(LFUN_MARK_OFF);
1038                 setMessage(N_("Cancel"));
1039                 break;
1040
1041         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
1042         {
1043                 meta_fake_bit = Mod1Mask;
1044                 setMessage(keyseq.print());
1045         }
1046         break;
1047
1048         case LFUN_READ_ONLY_TOGGLE:
1049                 if (owner->buffer()->lyxvc.inUse()) {
1050                         owner->buffer()->lyxvc.toggleReadOnly();
1051                 } else {
1052                         owner->buffer()->setReadonly(
1053                                 !owner->buffer()->isReadonly());
1054                 }
1055                 break;
1056
1057         case LFUN_CENTER: // this is center and redraw.
1058                 owner->view()->center();
1059                 break;
1060
1061                 // --- Menus -----------------------------------------------
1062         case LFUN_MENUNEW:
1063                 menuNew(false);
1064                 break;
1065
1066         case LFUN_MENUNEWTMPLT:
1067                 menuNew(true);
1068                 break;
1069
1070         case LFUN_CLOSEBUFFER:
1071                 closeBuffer();
1072                 break;
1073
1074         case LFUN_MENUWRITE:
1075                 if (!owner->buffer()->isUnnamed()) {
1076                         ostringstream s1;
1077                         s1 << _("Saving document") << ' '
1078                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
1079                         owner->message(s1.str().c_str());
1080                         MenuWrite(owner->view(), owner->buffer());
1081                 } else
1082                         WriteAs(owner->view(), owner->buffer());
1083                 break;
1084
1085         case LFUN_WRITEAS:
1086                 WriteAs(owner->view(), owner->buffer(), argument);
1087                 break;
1088
1089         case LFUN_MENURELOAD:
1090                 reloadBuffer();
1091                 break;
1092
1093         case LFUN_UPDATE:
1094                 Exporter::Export(owner->buffer(), argument, true);
1095                 break;
1096
1097         case LFUN_PREVIEW:
1098                 Exporter::Preview(owner->buffer(), argument);
1099                 break;
1100
1101         case LFUN_BUILDPROG:
1102                 Exporter::Export(owner->buffer(), "program", true);
1103                 break;
1104
1105         case LFUN_RUNCHKTEX:
1106                 MenuRunChktex(owner->buffer());
1107                 break;
1108
1109         case LFUN_MENUPRINT:
1110                 owner->getDialogs()->showPrint();
1111                 break;
1112
1113         case LFUN_EXPORT:
1114                 if (argument == "custom")
1115                         MenuSendto();
1116                 else
1117                         Exporter::Export(owner->buffer(), argument, false);
1118                 break;
1119
1120         case LFUN_IMPORT:
1121                 doImport(argument);
1122                 break;
1123
1124         case LFUN_QUIT:
1125                 QuitLyX();
1126                 break;
1127
1128         case LFUN_TOCVIEW:
1129 #if 0
1130         case LFUN_LOFVIEW:
1131         case LFUN_LOTVIEW:
1132         case LFUN_LOAVIEW:
1133 #endif
1134         {
1135                 InsetCommandParams p;
1136
1137 #if 0
1138                 if (action == LFUN_TOCVIEW)
1139 #endif
1140                         p.setCmdName("tableofcontents");
1141 #if 0
1142                 else if (action == LFUN_LOAVIEW )
1143                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1144                 else if (action == LFUN_LOFVIEW)
1145                         p.setCmdName("listoffigures");
1146                 else
1147                         p.setCmdName("listoftables");
1148 #endif
1149                 owner->getDialogs()->createTOC(p.getAsString());
1150                 break;
1151         }
1152
1153         case LFUN_DIALOG_TABULAR_INSERT:
1154                 owner->getDialogs()->showTabularCreate();
1155                 break;
1156
1157         case LFUN_FIGURE:
1158                 Figure();
1159                 break;
1160
1161         case LFUN_AUTOSAVE:
1162                 AutoSave(owner->view());
1163                 break;
1164
1165         case LFUN_UNDO:
1166                 owner->view()->menuUndo();
1167                 break;
1168
1169         case LFUN_REDO:
1170                 owner->view()->menuRedo();
1171                 break;
1172
1173         case LFUN_MENUSEARCH:
1174                 owner->getDialogs()->showSearch();
1175                 break;
1176
1177         case LFUN_REMOVEERRORS:
1178                 if (owner->view()->removeAutoInsets()) {
1179                         owner->view()->redraw();
1180                         owner->view()->fitCursor();
1181                 }
1182                 break;
1183
1184         case LFUN_DEPTH:
1185                 changeDepth(owner->view(), TEXT(false), 0);
1186                 break;
1187
1188         case LFUN_DEPTH_MIN:
1189                 changeDepth(owner->view(), TEXT(false), -1);
1190                 break;
1191
1192         case LFUN_DEPTH_PLUS:
1193                 changeDepth(owner->view(), TEXT(false), 1);
1194                 break;
1195
1196         case LFUN_FREE:
1197                 owner->getDialogs()->setUserFreeFont();
1198                 break;
1199
1200         case LFUN_RECONFIGURE:
1201                 Reconfigure(owner->view());
1202                 break;
1203
1204 #if 0
1205         case LFUN_FLOATSOPERATE:
1206                 if (argument == "openfoot")
1207                         owner->view()->allFloats(1,0);
1208                 else if (argument == "closefoot")
1209                         owner->view()->allFloats(0,0);
1210                 else if (argument == "openfig")
1211                         owner->view()->allFloats(1,1);
1212                 else if (argument == "closefig")
1213                         owner->view()->allFloats(0,1);
1214                 break;
1215 #else
1216 #ifdef WITH_WARNINGS
1217 //#warning Find another implementation here (or another lyxfunc)!
1218 #endif
1219 #endif
1220         case LFUN_HELP_ABOUTLYX:
1221                 owner->getDialogs()->showAboutlyx();
1222                 break;
1223
1224         case LFUN_HELP_TEXINFO:
1225                 owner->getDialogs()->showTexinfo();
1226                 break;
1227
1228         case LFUN_HELP_OPEN:
1229         {
1230                 string const arg = argument;
1231                 if (arg.empty()) {
1232                         setErrorMessage(N_("Missing argument"));
1233                         break;
1234                 }
1235                 owner->prohibitInput();
1236                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1237                 if (fname.empty()) {
1238                         lyxerr << "LyX: unable to find documentation file `"
1239                                << arg << "'. Bad installation?" << endl;
1240                         owner->allowInput();
1241                         break;
1242                 }
1243                 ostringstream str;
1244                 str << _("Opening help file") << ' '
1245                     << MakeDisplayPath(fname) << "...";
1246                 owner->message(str.str().c_str());
1247                 owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
1248                 owner->allowInput();
1249                 break;
1250         }
1251
1252                 // --- version control -------------------------------
1253         case LFUN_VC_REGISTER:
1254         {
1255                 if (!owner->buffer()->lyxvc.inUse())
1256                         owner->buffer()->lyxvc.registrer();
1257         }
1258         break;
1259
1260         case LFUN_VC_CHECKIN:
1261         {
1262                 if (owner->buffer()->lyxvc.inUse()
1263                     && !owner->buffer()->isReadonly())
1264                         owner->buffer()->lyxvc.checkIn();
1265         }
1266         break;
1267
1268         case LFUN_VC_CHECKOUT:
1269         {
1270                 if (owner->buffer()->lyxvc.inUse()
1271                     && owner->buffer()->isReadonly())
1272                         owner->buffer()->lyxvc.checkOut();
1273         }
1274         break;
1275
1276         case LFUN_VC_REVERT:
1277         {
1278                 owner->buffer()->lyxvc.revert();
1279         }
1280         break;
1281
1282         case LFUN_VC_UNDO:
1283         {
1284                 owner->buffer()->lyxvc.undoLast();
1285         }
1286         break;
1287
1288         case LFUN_VC_HISTORY:
1289         {
1290                 owner->getDialogs()->showVCLogFile();
1291                 break;
1292         }
1293
1294         // --- buffers ----------------------------------------
1295
1296         case LFUN_SWITCHBUFFER:
1297                 owner->view()->buffer(bufferlist.getBuffer(argument));
1298                 break;
1299
1300         case LFUN_FILE_NEW:
1301         {
1302                 // servercmd: argument must be <file>:<template>
1303                 Buffer * tmpbuf = NewLyxFile(argument);
1304                 if (tmpbuf)
1305                         owner->view()->buffer(tmpbuf);
1306         }
1307         break;
1308
1309         case LFUN_FILE_OPEN:
1310                 open(argument);
1311                 break;
1312
1313         case LFUN_LATEX_LOG:
1314                 owner->getDialogs()->showLogFile();
1315                 break;
1316
1317         case LFUN_LAYOUT_DOCUMENT:
1318                 owner->getDialogs()->showDocument();
1319                 break;
1320
1321         case LFUN_LAYOUT_PARAGRAPH:
1322                 owner->getDialogs()->showParagraph();
1323                 break;
1324
1325         case LFUN_LAYOUT_CHARACTER:
1326                 owner->getDialogs()->showCharacter();
1327                 break;
1328
1329         case LFUN_LAYOUT_TABULAR:
1330             if (owner->view()->theLockingInset()) {
1331                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1332                     InsetTabular * inset = static_cast<InsetTabular *>
1333                         (owner->view()->theLockingInset());
1334                     inset->openLayoutDialog(owner->view());
1335                 } else if (owner->view()->theLockingInset()->
1336                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1337                     InsetTabular * inset = static_cast<InsetTabular *>(
1338                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1339                     inset->openLayoutDialog(owner->view());
1340                 }
1341             }
1342             break;
1343
1344         case LFUN_LAYOUT_PREAMBLE:
1345                 owner->getDialogs()->showPreamble();
1346                 break;
1347
1348         case LFUN_DROP_LAYOUTS_CHOICE:
1349                 owner->getToolbar()->openLayoutList();
1350                 break;
1351
1352         case LFUN_MENU_OPEN_BY_NAME:
1353                 owner->getMenubar()->openByName(argument);
1354                 break; // RVDK_PATCH_5
1355
1356         case LFUN_SPELLCHECK:
1357                 if (lyxrc.isp_command != "none")
1358                         owner->getDialogs()->showSpellchecker();
1359                 break;
1360
1361         // --- lyxserver commands ----------------------------
1362
1363
1364         case LFUN_GETNAME:
1365                 setMessage(owner->buffer()->fileName());
1366                 lyxerr[Debug::INFO] << "FNAME["
1367                                << owner->buffer()->fileName()
1368                                << "] " << endl;
1369                 break;
1370
1371         case LFUN_NOTIFY:
1372         {
1373                 dispatch_buffer = keyseq.print();
1374                 lyxserver->notifyClient(dispatch_buffer);
1375         }
1376         break;
1377
1378         case LFUN_GOTOFILEROW:
1379         {
1380                 string file_name;
1381                 int row;
1382                 istringstream istr(argument.c_str());
1383                 istr >> file_name >> row;
1384                 // Must replace extension of the file to be .lyx and get full path
1385                 string const s(ChangeExtension(file_name, ".lyx"));
1386
1387                 // Either change buffer or load the file
1388                 if (bufferlist.exists(s)) {
1389                         owner->view()->buffer(bufferlist.getBuffer(s));
1390                 } else {
1391                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1392                 }
1393
1394                 // Set the cursor
1395                 owner->view()->setCursorFromRow(row);
1396
1397                 // Recenter screen
1398                 owner->view()->center();
1399         }
1400         break;
1401
1402         case LFUN_GOTO_PARAGRAPH:
1403         {
1404                 istringstream istr(argument.c_str());
1405
1406                 int id;
1407                 istr >> id;
1408                 Paragraph * par = owner->buffer()->getParFromID(id);
1409                 if (par == 0) {
1410                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1411                                             << id << "]" << std::endl;
1412                         break;
1413                 } else {
1414                         lyxerr << "Paragraph " << par->id()
1415                                << " found." << endl;
1416                 }
1417
1418                 // Set the cursor
1419                 owner->view()->text->setCursor(owner->view(), par, 0);
1420                 owner->view()->setState();
1421                 owner->showState();
1422
1423                 // Recenter screen
1424                 owner->view()->center();
1425         }
1426         break;
1427
1428         case LFUN_APROPOS:
1429         case LFUN_GETTIP:
1430         {
1431                 int const qa = lyxaction.LookupFunc(argument);
1432                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1433         }
1434         break;
1435
1436         // --- toolbar ----------------------------------
1437         case LFUN_PUSH_TOOLBAR:
1438         {
1439                 int nth = strToInt(argument);
1440                 if (nth <= 0) {
1441                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1442                 } else {
1443                         owner->getToolbar()->push(nth);
1444                 }
1445         }
1446         break;
1447
1448         case LFUN_ADD_TO_TOOLBAR:
1449         {
1450                 if (lyxerr.debugging(Debug::GUI)) {
1451                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1452                                 "argument = `" << argument << '\'' << endl;
1453                 }
1454                 string tmp(argument);
1455                 //lyxerr <<string("Argument: ") + argument);
1456                 //lyxerr <<string("Tmp     : ") + tmp);
1457                 if (tmp.empty()) {
1458                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1459                 } else {
1460                         owner->getToolbar()->add(argument, false);
1461                         owner->getToolbar()->set();
1462                 }
1463         }
1464         break;
1465
1466         // --- insert characters ----------------------------------------
1467
1468         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1469         case LFUN_MATH_EXTERN:
1470         case LFUN_MATH_NUMBER:
1471         case LFUN_MATH_NONUMBER:
1472         case LFUN_MATH_LIMITS:
1473         {
1474                 setErrorMessage(N_("This is only allowed in math mode!"));
1475         }
1476         break;
1477
1478         // passthrough hat and underscore outside mathed:
1479         case LFUN_SUBSCRIPT:
1480                 dispatch(LFUN_SELFINSERT, "_");
1481                 break;
1482         case LFUN_SUPERSCRIPT:
1483                 dispatch(LFUN_SELFINSERT, "^");
1484                 break;
1485
1486         case LFUN_MATH_PANEL:
1487                 owner->getDialogs()->showMathPanel();
1488                 break;
1489
1490         case LFUN_CITATION_CREATE:
1491         {
1492                 InsetCommandParams p( "cite" );
1493
1494                 if (!argument.empty()) {
1495                         // This should be set at source, ie when typing
1496                         // "citation-insert foo" in the minibuffer.
1497                         // Question: would pybibliographer also need to be
1498                         // changed. Suspect so. Leave as-is therefore.
1499                         if (contains(argument, "|")) {
1500                                 p.setContents( token(argument, '|', 0) );
1501                                 p.setOptions(  token(argument, '|', 1) );
1502                         } else {
1503                                 p.setContents( argument );
1504                         }
1505                         dispatch(LFUN_CITATION_INSERT, p.getAsString());
1506                 } else
1507                         owner->getDialogs()->createCitation( p.getAsString() );
1508         }
1509         break;
1510
1511         case LFUN_CHILDOPEN:
1512         {
1513                 string const filename =
1514                         MakeAbsPath(argument,
1515                                     OnlyPath(owner->buffer()->fileName()));
1516                 setMessage(N_("Opening child document ") +
1517                            MakeDisplayPath(filename) + "...");
1518                 owner->view()->savePosition(0);
1519                 if (bufferlist.exists(filename))
1520                         owner->view()->buffer(bufferlist.getBuffer(filename));
1521                 else
1522                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1523         }
1524         break;
1525
1526         case LFUN_TOGGLECURSORFOLLOW:
1527                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1528                 break;
1529
1530         case LFUN_KMAP_OFF:             // keymap off
1531                 owner->getIntl()->KeyMapOn(false);
1532                 break;
1533
1534         case LFUN_KMAP_PRIM:    // primary keymap
1535                 owner->getIntl()->KeyMapPrim();
1536                 break;
1537
1538         case LFUN_KMAP_SEC:             // secondary keymap
1539                 owner->getIntl()->KeyMapSec();
1540                 break;
1541
1542         case LFUN_KMAP_TOGGLE:  // toggle keymap
1543                 owner->getIntl()->ToggleKeyMap();
1544                 break;
1545
1546         case LFUN_SEQUENCE:
1547         {
1548                 // argument contains ';'-terminated commands
1549                 while (argument.find(';') != string::npos) {
1550                         string first;
1551                         argument = split(argument, first, ';');
1552                         verboseDispatch(first, false);
1553                 }
1554         }
1555         break;
1556
1557         case LFUN_DIALOG_PREFERENCES:
1558                 owner->getDialogs()->showPreferences();
1559                 break;
1560
1561         case LFUN_SAVEPREFERENCES:
1562         {
1563                 Path p(user_lyxdir);
1564                 lyxrc.write("preferences");
1565         }
1566         break;
1567
1568         case LFUN_SCREEN_FONT_UPDATE:
1569         {
1570                 // handle the screen font changes.
1571                 //
1572                 lyxrc.set_font_norm_type();
1573                 fontloader.update();
1574                 // Of course we should only do the resize and the textcache.clear
1575                 // if values really changed...but not very important right now. (Lgb)
1576                 // All visible buffers will need resize
1577                 owner->resize();
1578                 // We also need to empty the textcache so that
1579                 // the buffer will be formatted correctly after
1580                 // a zoom change.
1581                 textcache.clear();
1582         }
1583         break;
1584
1585         case LFUN_SET_COLOR:
1586         {
1587                 string lyx_name;
1588                 string const x11_name = split(argument, lyx_name, ' ');
1589                 if (lyx_name.empty() || x11_name.empty()) {
1590                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1591                                                 " <x11_name>"));
1592                         break;
1593                         }
1594
1595                 if (!lcolor.setColor(lyx_name, x11_name)) {
1596                         static string const err1 (N_("Set-color \""));
1597                         static string const err2 (
1598                                 N_("\" failed - color is undefined "
1599                                    "or may not be redefined"));
1600                         setErrorMessage(_(err1) + lyx_name + _(err2));
1601                         break;
1602                 }
1603                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1604                 owner->view()->redraw();
1605                 break;
1606         }
1607
1608         case LFUN_MESSAGE:
1609                 owner->message(argument);
1610                 break;
1611
1612         case LFUN_MESSAGE_PUSH:
1613                 owner->messagePush(argument);
1614                 break;
1615
1616         case LFUN_MESSAGE_POP:
1617                 owner->messagePop();
1618                 break;
1619
1620         default:
1621                 // Then if it was none of the above
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
1636         return res;
1637 }
1638
1639
1640 void LyXFunc::setupLocalKeymap()
1641 {
1642         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1643         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1644 }
1645
1646
1647 void LyXFunc::menuNew(bool fromTemplate)
1648 {
1649         string initpath = lyxrc.document_path;
1650
1651         if (owner->view()->available()) {
1652                 string const trypath = owner->buffer()->filepath;
1653                 // If directory is writeable, use this as default.
1654                 if (IsDirWriteable(trypath))
1655                         initpath = trypath;
1656         }
1657
1658         static int newfile_number;
1659         string s;
1660
1661         if (lyxrc.new_ask_filename) {
1662                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1663                                    LFUN_SELECT_FILE_SYNC,
1664                         make_pair(string(_("Documents")),
1665                                   string(lyxrc.document_path)),
1666                         make_pair(string(_("Templates")),
1667                                   string(lyxrc.template_path)));
1668
1669                 FileDialog::Result result =
1670                         fileDlg.Select(initpath,
1671                                        _("*.lyx|LyX Documents (*.lyx)"),
1672                                        _("newfile"));
1673
1674                 if (result.second.empty()) {
1675                         owner->message(_("Canceled."));
1676                         lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
1677                         return;
1678                 }
1679
1680                 // get absolute path of file and make sure the filename ends
1681                 // with .lyx
1682                 s = MakeAbsPath(result.second);
1683                 if (!IsLyXFilename(s))
1684                         s += ".lyx";
1685
1686                 // Check if the document already is open
1687                 if (bufferlist.exists(s)) {
1688                         switch (Alert::askConfirmation(_("Document is already open:"),
1689                                                 MakeDisplayPath(s, 50),
1690                                                 _("Do you want to close that document now?\n"
1691                                                   "('No' will just switch to the open version)")))
1692                         {
1693                         case 1: // Yes: close the document
1694                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1695                                 // If close is canceled, we cancel here too.
1696                                         return;
1697                                 break;
1698                         case 2: // No: switch to the open document
1699                                 owner->view()->buffer(bufferlist.getBuffer(s));
1700                                 return;
1701                         case 3: // Cancel: Do nothing
1702                                 owner->message(_("Canceled."));
1703                                 return;
1704                         }
1705                 }
1706                 // Check whether the file already exists
1707                 FileInfo fi(s);
1708                 if (fi.readable() &&
1709                     Alert::askQuestion(_("File already exists:"),
1710                                 MakeDisplayPath(s, 50),
1711                                 _("Do you want to open the document?"))) {
1712                                 // loads document
1713                         string const disp_fn(MakeDisplayPath(s));
1714
1715                         ostringstream str;
1716                         str << _("Opening  document") << ' '
1717                             << disp_fn << "...";
1718
1719                         owner->message(str.str().c_str());
1720                         //XFlush(fl_get_display());
1721                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1722                         ostringstream str2;
1723                         str2 << _("Document") << ' '
1724                              << disp_fn << ' ' << _("opened.");
1725
1726                         owner->message(str2.str().c_str());
1727
1728                         return;
1729                 }
1730         } else {
1731                 s = AddName(lyxrc.document_path,
1732                             "newfile" + tostr(++newfile_number) + ".lyx");
1733                 FileInfo fi(s);
1734                 while (bufferlist.exists(s) || fi.readable()) {
1735                         ++newfile_number;
1736                         s = AddName(lyxrc.document_path,
1737                                     "newfile" + tostr(newfile_number) +
1738                                     ".lyx");
1739                         fi.newFile(s);
1740                 }
1741         }
1742
1743         // The template stuff
1744         string templname;
1745         if (fromTemplate) {
1746                 FileDialog fileDlg(owner, _("Select template file"),
1747                         LFUN_SELECT_FILE_SYNC,
1748                         make_pair(string(_("Documents")),
1749                                   string(lyxrc.document_path)),
1750                         make_pair(string(_("Templates")),
1751                                   string(lyxrc.template_path)));
1752
1753                 FileDialog::Result result =
1754                         fileDlg.Select(lyxrc.template_path,
1755                                        _("*.lyx|LyX Documents (*.lyx)"));
1756
1757                 if (result.first == FileDialog::Later)
1758                         return;
1759
1760                 string const fname = result.second;
1761
1762                 if (fname.empty())
1763                         return;
1764                 templname = fname;
1765         }
1766
1767         // find a free buffer
1768         lyxerr[Debug::INFO] << "Find a free buffer." << endl;
1769         owner->view()->buffer(bufferlist.newFile(s, templname));
1770 }
1771
1772
1773 void LyXFunc::open(string const & fname)
1774 {
1775         string initpath = lyxrc.document_path;
1776
1777         if (owner->view()->available()) {
1778                 string const trypath = owner->buffer()->filepath;
1779                 // If directory is writeable, use this as default.
1780                 if (IsDirWriteable(trypath))
1781                         initpath = trypath;
1782         }
1783
1784         string filename;
1785
1786         if (fname.empty()) {
1787                 FileDialog fileDlg(owner, _("Select document to open"),
1788                         LFUN_FILE_OPEN,
1789                         make_pair(string(_("Documents")),
1790                                   string(lyxrc.document_path)),
1791                         make_pair(string(_("Examples")),
1792                                   string(AddPath(system_lyxdir, "examples"))));
1793
1794                 FileDialog::Result result =
1795                         fileDlg.Select(initpath,
1796                                        "*.lyx|LyX Documents (*.lyx)");
1797
1798                 if (result.first == FileDialog::Later)
1799                         return;
1800
1801                 filename = result.second;
1802
1803                 // check selected filename
1804                 if (filename.empty()) {
1805                         owner->message(_("Canceled."));
1806                         return;
1807                 }
1808         } else
1809                 filename = fname;
1810
1811         // get absolute path of file and add ".lyx" to the filename if
1812         // necessary
1813         string const fullpath = FileSearch(string(), filename, "lyx");
1814         if (fullpath.empty()) {
1815                 Alert::alert(_("Error"), _("Could not find file"), filename);
1816                 return;
1817         }
1818
1819         filename = fullpath;
1820
1821         // loads document
1822         string const disp_fn(MakeDisplayPath(filename));
1823
1824         ostringstream str;
1825         str << _("Opening document") << ' ' << disp_fn << "...";
1826
1827         owner->message(str.str().c_str());
1828
1829         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1830         if (openbuf) {
1831                 owner->view()->buffer(openbuf);
1832                 ostringstream str;
1833                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1834                 owner->message(str.str().c_str());
1835         } else {
1836                 ostringstream str;
1837                 str << _("Could not open document") << ' ' << disp_fn;
1838                 owner->message(str.str().c_str());
1839         }
1840 }
1841
1842
1843 // checks for running without gui are missing.
1844 void LyXFunc::doImport(string const & argument)
1845 {
1846         string format;
1847         string filename = split(argument, format, ' ');
1848         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1849                             << " file: " << filename << endl;
1850
1851         if (filename.empty()) { // need user interaction
1852                 string initpath = lyxrc.document_path;
1853
1854                 if (owner->view()->available()) {
1855                         string const trypath = owner->buffer()->filepath;
1856                         // If directory is writeable, use this as default.
1857                         if (IsDirWriteable(trypath))
1858                                 initpath = trypath;
1859                 }
1860
1861                 string const text = _("Select ") + formats.prettyName(format)
1862                         + _(" file to import");
1863
1864                 FileDialog fileDlg(owner, text,
1865                         LFUN_IMPORT,
1866                         make_pair(string(_("Documents")),
1867                                   string(lyxrc.document_path)),
1868                         make_pair(string(_("Examples")),
1869                                   string(AddPath(system_lyxdir, "examples"))));
1870
1871                 string const extension = "*." + formats.extension(format)
1872                         + "| " + formats.prettyName(format)
1873                         + " (*." + formats.extension(format) + ")";
1874
1875                 FileDialog::Result result = fileDlg.Select(initpath,
1876                                                            extension);
1877
1878                 if (result.first == FileDialog::Later)
1879                         return;
1880
1881                 filename = result.second;
1882
1883                 // check selected filename
1884                 if (filename.empty())
1885                         owner->message(_("Canceled."));
1886         }
1887
1888         // still no filename? abort
1889         if (filename.empty())
1890                 return;
1891
1892         // get absolute path of file
1893         filename = MakeAbsPath(filename);
1894
1895         string const lyxfile = ChangeExtension(filename, ".lyx");
1896
1897         // Check if the document already is open
1898         if (bufferlist.exists(lyxfile)) {
1899                 switch (Alert::askConfirmation(_("Document is already open:"),
1900                                         MakeDisplayPath(lyxfile, 50),
1901                                         _("Do you want to close that document now?\n"
1902                                           "('No' will just switch to the open version)")))
1903                         {
1904                         case 1: // Yes: close the document
1905                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1906                                 // If close is canceled, we cancel here too.
1907                                         return;
1908                                 break;
1909                         case 2: // No: switch to the open document
1910                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1911                                 return;
1912                         case 3: // Cancel: Do nothing
1913                                 owner->message(_("Canceled."));
1914                                 return;
1915                         }
1916         }
1917
1918         // Check if a LyX document by the same root exists in filesystem
1919         FileInfo const f(lyxfile, true);
1920         if (f.exist() && !Alert::askQuestion(_("A document by the name"),
1921                                       MakeDisplayPath(lyxfile),
1922                                       _("already exists. Overwrite?"))) {
1923                 owner->message(_("Canceled"));
1924                 return;
1925         }
1926         // filename should be valid now
1927
1928         Importer::Import(owner, filename, format);
1929 }
1930
1931
1932 void LyXFunc::reloadBuffer()
1933 {
1934         string const fn = owner->buffer()->fileName();
1935         if (bufferlist.close(owner->buffer()))
1936                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1937 }
1938
1939
1940 void LyXFunc::closeBuffer()
1941 {
1942         if (bufferlist.close(owner->buffer()) && !quitting) {
1943                 if (bufferlist.empty()) {
1944                         // need this otherwise SEGV may occur while trying to
1945                         // set variables that don't exist
1946                         // since there's no current buffer
1947                         owner->getDialogs()->hideBufferDependent();
1948                 } else {
1949                         owner->view()->buffer(bufferlist.first());
1950                 }
1951         }
1952 }
1953
1954
1955 // Each "owner" should have it's own message method. lyxview and
1956 // the minibuffer would use the minibuffer, but lyxserver would
1957 // send an ERROR signal to its client.  Alejandro 970603
1958 // This func is bit problematic when it comes to NLS, to make the
1959 // lyx servers client be language indepenent we must not translate
1960 // strings sent to this func.
1961 void LyXFunc::setErrorMessage(string const & m) const
1962 {
1963         dispatch_buffer = m;
1964         errorstat = true;
1965 }
1966
1967
1968 void LyXFunc::setMessage(string const & m)
1969 {
1970         dispatch_buffer = m;
1971 }
1972
1973
1974 void LyXFunc::initMiniBuffer()
1975 {
1976         string text = _("Welcome to LyX!");
1977
1978         // When meta-fake key is pressed, show the key sequence so far + "M-".
1979         if (wasMetaKey()) {
1980                 text = keyseq.print();
1981                 text += "M-";
1982         }
1983
1984         // Else, when a non-complete key sequence is pressed,
1985         // show the available options.
1986         if (keyseq.length() > 0 && !keyseq.deleted()) {
1987                 text = keyseq.printOptions();
1988         }
1989
1990         // Else, show the buffer state.
1991         else if (owner->view()->available()) {
1992                 Buffer * tmpbuf = owner->buffer();
1993
1994                 string const nicename =
1995                         MakeDisplayPath(tmpbuf->fileName());
1996                 // Should we do this instead? (kindo like emacs)
1997                 // leaves more room for other information
1998                 text = "LyX: ";
1999                 text += nicename;
2000                 if (tmpbuf->lyxvc.inUse()) {
2001                         text += " [";
2002                         text += tmpbuf->lyxvc.versionString();
2003                         text += ' ';
2004                         text += tmpbuf->lyxvc.locker();
2005                         if (tmpbuf->isReadonly())
2006                                 text += " (RO)";
2007                         text += ']';
2008                 } else if (tmpbuf->isReadonly())
2009                         text += " [RO]";
2010                 if (!tmpbuf->isLyxClean())
2011                         text += _(" (Changed)");
2012         } else {
2013                 if (text != _("Welcome to LyX!")) // this is a hack
2014                         text = _("* No document open *");
2015         }
2016
2017         owner->message(text);
2018 }
2019