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         // 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                                 setStatusMessage(N_("Document is read-only"));
 372                                 flag.disabled(true);
 373                         }
 374                 } else {
 375                         // no
 376                         setStatusMessage(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 LyXFunc::verboseDispatch(string const & s, bool show_sc)
 758 {
 759         int action = lyxaction.LookupFunc(frontStrip(s));
 760
 761         if (action == LFUN_UNKNOWN_ACTION) {
 762                 string const msg = string(_("Unknown function ("))
 763                         + s + ")";
 764                 owner->message(msg);
 765         } else {
 766                 verboseDispatch(action, show_sc);
 767         }
 768 }
 769
 770
 771 void LyXFunc::verboseDispatch(int ac, bool show_sc)
 772 {
 773         string argument;
 774         kb_action action;
 775
 776         // get the real action and argument
 777         action = lyxaction.retrieveActionArg(ac, argument);
 778
 779         verboseDispatch(action, argument, show_sc);
 780 }
 781
 782
 783
 784 void LyXFunc::verboseDispatch(kb_action action,
 785                               string const & argument, bool show_sc)
 786 {
 787         string res = dispatch(action, argument);
 788
 789         commandshortcut.erase();
 790
 791         if (lyxrc.display_shortcuts && show_sc) {
 792                 if (action != LFUN_SELFINSERT) {
 793                         // Put name of command and list of shortcuts
 794                         // for it in minibuffer
 795                         string comname = lyxaction.getActionName(action);
 796
 797                         int pseudoaction = action;
 798                         bool argsadded = false;
 799
 800                         if (!argument.empty()) {
 801                                 // the pseudoaction is useful for the bindings
 802                                 pseudoaction =
 803                                         lyxaction.searchActionArg(action,
 804                                                                   argument);
 805
 806                                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
 807                                         pseudoaction = action;
 808                                 } else {
 809                                         comname += " " + argument;
 810                                         argsadded = true;
 811                                 }
 812                         }
 813
 814                         string const shortcuts =
 815                                 toplevel_keymap->findbinding(pseudoaction);
 816
 817                         if (!shortcuts.empty()) {
 818                                 comname += ": " + shortcuts;
 819                         } else if (!argsadded && !argument.empty()) {
 820                                 comname += " " + argument;
 821                         }
 822
 823                         if (!comname.empty()) {
 824                                 comname = strip(comname);
 825                                 commandshortcut = "(" + comname + ')';
 826                         }
 827                 }
 828         }
 829
 830         if (res.empty()) {
 831                 if (!commandshortcut.empty()) {
 832                         owner->getMiniBuffer()->addSet(commandshortcut);
 833                 }
 834         } else {
 835                 owner->getMiniBuffer()->addSet(' ' + commandshortcut);
 836         }
 837 }
 838
 839
 840 string const LyXFunc::dispatch(kb_action action, string argument)
 841 {
 842         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << action
 843                               <<"] arg[" << argument << "]" << endl;
 844
 845         // we have not done anything wrong yet.
 846         errorstat = false;
 847         dispatch_buffer.erase();
 848
 849 #ifdef NEW_DISPATCHER
 850         // We try do call the most specific dispatcher first:
 851         //  1. the lockinginset's dispatch
 852         //  2. the bufferview's dispatch
 853         //  3. the lyxview's dispatch
 854 #endif
 855
 856         selection_possible = false;
 857
 858         if (owner->view()->available())
 859                 owner->view()->hideCursor();
 860
 861         // We cannot use this function here
 862         if (getStatus(action, argument).disabled()) {
 863                 lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: "
 864                        << lyxaction.getActionName(action)
 865                        << " [" << action << "] is disabled at this location"
 866                        << endl;
 867                 setErrorMessage(getStatusMessage());
 868                 goto exit_with_message;
 869         }
 870
 871         if (owner->view()->available() && owner->view()->theLockingInset()) {
 872                 UpdatableInset::RESULT result;
 873                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 874                                      (!keyseq.deleted())))
 875                 {
 876                         if ((action == LFUN_UNKNOWN_ACTION)
 877                             && argument.empty()){
 878                                 argument = keyseq.getiso();
 879                         }
 880                         // Undo/Redo is a bit tricky for insets.
 881                         if (action == LFUN_UNDO) {
 882                                 owner->view()->menuUndo();
 883                                 goto exit_with_message;
 884                         } else if (action == LFUN_REDO) {
 885                                 owner->view()->menuRedo();
 886                                 goto exit_with_message;
 887                         } else if (((result=owner->view()->theLockingInset()->
 888                                      localDispatch(owner->view(), action, argument)) ==
 889                                     UpdatableInset::DISPATCHED) ||
 890                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 891                                 goto exit_with_message;
 892                         else if (result == UpdatableInset::FINISHED) {
 893                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 894                                                 TEXT()->cursorRight(owner->view());
 895                                                 moveCursorUpdate(true, false);
 896                                                 owner->showState();
 897                                         }
 898                                         goto exit_with_message;
 899                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 900                                 if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 901                                         TEXT()->cursorRight(owner->view());
 902                                         moveCursorUpdate(true, false);
 903                                         owner->showState();
 904                                 }
 905                                 goto exit_with_message;
 906                         } else if (result == UpdatableInset::FINISHED_UP) {
 907                                 if (TEXT()->cursor.row()->previous()) {
 908                                         TEXT()->cursorUp(owner->view());
 909                                         moveCursorUpdate(true, false);
 910                                         owner->showState();
 911                                 }
 912                                 goto exit_with_message;
 913                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 914                                 if (TEXT()->cursor.row()->next())
 915                                         TEXT()->cursorDown(owner->view());
 916                                 else
 917                                         TEXT()->cursorRight(owner->view());
 918                                 moveCursorUpdate(true, false);
 919                                 owner->showState();
 920                                 goto exit_with_message;
 921                         } else {
 922                                 //setMessage(N_("Text mode"));
 923                                 switch (action) {
 924                                 case LFUN_UNKNOWN_ACTION:
 925                                 case LFUN_BREAKPARAGRAPH:
 926                                 case LFUN_BREAKLINE:
 927                                         TEXT()->cursorRight(owner->view());
 928                                         owner->view()->setState();
 929                                         owner->showState();
 930                                         break;
 931                                 case LFUN_RIGHT:
 932                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 933                                                 TEXT()->cursorRight(owner->view());
 934                                                 moveCursorUpdate(true, false);
 935                                                 owner->showState();
 936                                         }
 937                                         goto exit_with_message;
 938                                 case LFUN_LEFT:
 939                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 940                                                 TEXT()->cursorRight(owner->view());
 941                                                 moveCursorUpdate(true, false);
 942                                                 owner->showState();
 943                                         }
 944                                         goto exit_with_message;
 945                                 case LFUN_DOWN:
 946                                         if (TEXT()->cursor.row()->next())
 947                                                 TEXT()->cursorDown(owner->view());
 948                                         else
 949                                                 TEXT()->cursorRight(owner->view());
 950                                         moveCursorUpdate(true, false);
 951                                         owner->showState();
 952                                         goto exit_with_message;
 953                                 default:
 954                                         break;
 955                                 }
 956                         }
 957                 }
 958         }
 959
 960         switch (action) {
 961
 962         case LFUN_ESCAPE:
 963         {
 964                 if (!owner->view()->available()) break;
 965                 // this function should be used always [asierra060396]
 966                 UpdatableInset * tli =
 967                         owner->view()->theLockingInset();
 968                 if (tli) {
 969                         UpdatableInset * lock = tli->getLockingInset();
 970
 971                         if (tli == lock) {
 972                                 owner->view()->unlockInset(tli);
 973                                 TEXT()->cursorRight(owner->view());
 974                                 moveCursorUpdate(true, false);
 975                                 owner->showState();
 976                         } else {
 977                                 tli->unlockInsetInInset(owner->view(),
 978                                                         lock,
 979                                                         true);
 980                         }
 981                         finishUndo();
 982                 }
 983         }
 984         break;
 985
 986                 // --- Misc -------------------------------------------
 987         case LFUN_WORDFINDFORWARD  :
 988         case LFUN_WORDFINDBACKWARD : {
 989                 static string last_search;
 990                 string searched_string;
 991
 992                 if (!argument.empty()) {
 993                         last_search = argument;
 994                         searched_string = argument;
 995                 } else {
 996                         searched_string = last_search;
 997                 }
 998                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 999                 if (!searched_string.empty()) {
1000                         LyXFind(owner->view(), searched_string, fw);
1001                 }
1002 //              owner->view()->showCursor();
1003         }
1004         break;
1005
1006         case LFUN_PREFIX:
1007         {
1008                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
1009                         owner->view()->update(TEXT(),
1010                                               BufferView::SELECT|BufferView::FITCUR);
1011                 }
1012                 owner->message(keyseq.print());
1013         }
1014         break;
1015
1016         // --- Misc -------------------------------------------
1017         case LFUN_EXEC_COMMAND:
1018         {
1019                 std::vector<string> allCmds;
1020                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
1021                                std::back_inserter(allCmds), lyx::firster());
1022                 static std::vector<string> hist;
1023                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
1024                                                   allCmds, hist);
1025         }
1026         break;
1027
1028         case LFUN_CANCEL:                   // RVDK_PATCH_5
1029                 keyseq.reset();
1030                 meta_fake_bit = 0;
1031                 if (owner->view()->available())
1032                         // cancel any selection
1033                         dispatch(LFUN_MARK_OFF);
1034                 setMessage(N_("Cancel"));
1035                 break;
1036
1037         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
1038         {
1039                 meta_fake_bit = Mod1Mask;
1040                 setMessage(keyseq.print());
1041         }
1042         break;
1043
1044         case LFUN_READ_ONLY_TOGGLE:
1045                 if (owner->buffer()->lyxvc.inUse()) {
1046                         owner->buffer()->lyxvc.toggleReadOnly();
1047                 } else {
1048                         owner->buffer()->setReadonly(
1049                                 !owner->buffer()->isReadonly());
1050                 }
1051                 break;
1052
1053         case LFUN_CENTER: // this is center and redraw.
1054                 owner->view()->center();
1055                 break;
1056
1057                 // --- Menus -----------------------------------------------
1058         case LFUN_MENUNEW:
1059                 menuNew(false);
1060                 break;
1061
1062         case LFUN_MENUNEWTMPLT:
1063                 menuNew(true);
1064                 break;
1065
1066         case LFUN_CLOSEBUFFER:
1067                 closeBuffer();
1068                 break;
1069
1070         case LFUN_MENUWRITE:
1071                 if (!owner->buffer()->isUnnamed()) {
1072                         ostringstream s1;
1073                         s1 << _("Saving document") << ' '
1074                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
1075                         owner->message(s1.str().c_str());
1076                         MenuWrite(owner->view(), owner->buffer());
1077                 } else
1078                         WriteAs(owner->view(), owner->buffer());
1079                 break;
1080
1081         case LFUN_WRITEAS:
1082                 WriteAs(owner->view(), owner->buffer(), argument);
1083                 break;
1084
1085         case LFUN_MENURELOAD:
1086                 reloadBuffer();
1087                 break;
1088
1089         case LFUN_UPDATE:
1090                 Exporter::Export(owner->buffer(), argument, true);
1091                 break;
1092
1093         case LFUN_PREVIEW:
1094                 Exporter::Preview(owner->buffer(), argument);
1095                 break;
1096
1097         case LFUN_BUILDPROG:
1098                 Exporter::Export(owner->buffer(), "program", true);
1099                 break;
1100
1101         case LFUN_RUNCHKTEX:
1102                 MenuRunChktex(owner->buffer());
1103                 break;
1104
1105         case LFUN_MENUPRINT:
1106                 owner->getDialogs()->showPrint();
1107                 break;
1108
1109         case LFUN_EXPORT:
1110                 if (argument == "custom")
1111                         MenuSendto();
1112                 else
1113                         Exporter::Export(owner->buffer(), argument, false);
1114                 break;
1115
1116         case LFUN_IMPORT:
1117                 doImport(argument);
1118                 break;
1119
1120         case LFUN_QUIT:
1121                 QuitLyX();
1122                 break;
1123
1124         case LFUN_TOCVIEW:
1125 #if 0
1126         case LFUN_LOFVIEW:
1127         case LFUN_LOTVIEW:
1128         case LFUN_LOAVIEW:
1129 #endif
1130         {
1131                 InsetCommandParams p;
1132
1133 #if 0
1134                 if (action == LFUN_TOCVIEW)
1135 #endif
1136                         p.setCmdName("tableofcontents");
1137 #if 0
1138                 else if (action == LFUN_LOAVIEW )
1139                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1140                 else if (action == LFUN_LOFVIEW)
1141                         p.setCmdName("listoffigures");
1142                 else
1143                         p.setCmdName("listoftables");
1144 #endif
1145                 owner->getDialogs()->createTOC(p.getAsString());
1146                 break;
1147         }
1148
1149         case LFUN_DIALOG_TABULAR_INSERT:
1150                 owner->getDialogs()->showTabularCreate();
1151                 break;
1152
1153         case LFUN_FIGURE:
1154                 Figure();
1155                 break;
1156
1157         case LFUN_AUTOSAVE:
1158                 AutoSave(owner->view());
1159                 break;
1160
1161         case LFUN_UNDO:
1162                 owner->view()->menuUndo();
1163                 break;
1164
1165         case LFUN_REDO:
1166                 owner->view()->menuRedo();
1167                 break;
1168
1169         case LFUN_MENUSEARCH:
1170                 owner->getDialogs()->showSearch();
1171                 break;
1172
1173         case LFUN_REMOVEERRORS:
1174                 if (owner->view()->removeAutoInsets()) {
1175                         owner->view()->redraw();
1176                         owner->view()->fitCursor();
1177                 }
1178                 break;
1179
1180         case LFUN_DEPTH:
1181                 changeDepth(owner->view(), TEXT(false), 0);
1182                 break;
1183
1184         case LFUN_DEPTH_MIN:
1185                 changeDepth(owner->view(), TEXT(false), -1);
1186                 break;
1187
1188         case LFUN_DEPTH_PLUS:
1189                 changeDepth(owner->view(), TEXT(false), 1);
1190                 break;
1191
1192         case LFUN_FREE:
1193                 owner->getDialogs()->setUserFreeFont();
1194                 break;
1195
1196         case LFUN_RECONFIGURE:
1197                 Reconfigure(owner->view());
1198                 break;
1199
1200 #if 0
1201         case LFUN_FLOATSOPERATE:
1202                 if (argument == "openfoot")
1203                         owner->view()->allFloats(1,0);
1204                 else if (argument == "closefoot")
1205                         owner->view()->allFloats(0,0);
1206                 else if (argument == "openfig")
1207                         owner->view()->allFloats(1,1);
1208                 else if (argument == "closefig")
1209                         owner->view()->allFloats(0,1);
1210                 break;
1211 #else
1212 #ifdef WITH_WARNINGS
1213 //#warning Find another implementation here (or another lyxfunc)!
1214 #endif
1215 #endif
1216         case LFUN_HELP_ABOUTLYX:
1217                 owner->getDialogs()->showAboutlyx();
1218                 break;
1219
1220         case LFUN_HELP_TEXINFO:
1221                 owner->getDialogs()->showTexinfo();
1222                 break;
1223
1224         case LFUN_HELP_OPEN:
1225         {
1226                 string const arg = argument;
1227                 if (arg.empty()) {
1228                         setErrorMessage(N_("Missing argument"));
1229                         break;
1230                 }
1231                 owner->prohibitInput();
1232                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1233                 if (fname.empty()) {
1234                         lyxerr << "LyX: unable to find documentation file `"
1235                                << arg << "'. Bad installation?" << endl;
1236                         owner->allowInput();
1237                         break;
1238                 }
1239                 ostringstream str;
1240                 str << _("Opening help file") << ' '
1241                     << MakeDisplayPath(fname) << "...";
1242                 owner->message(str.str().c_str());
1243                 owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
1244                 owner->allowInput();
1245                 break;
1246         }
1247
1248                 // --- version control -------------------------------
1249         case LFUN_VC_REGISTER:
1250         {
1251                 if (!owner->buffer()->lyxvc.inUse())
1252                         owner->buffer()->lyxvc.registrer();
1253         }
1254         break;
1255
1256         case LFUN_VC_CHECKIN:
1257         {
1258                 if (owner->buffer()->lyxvc.inUse()
1259                     && !owner->buffer()->isReadonly())
1260                         owner->buffer()->lyxvc.checkIn();
1261         }
1262         break;
1263
1264         case LFUN_VC_CHECKOUT:
1265         {
1266                 if (owner->buffer()->lyxvc.inUse()
1267                     && owner->buffer()->isReadonly())
1268                         owner->buffer()->lyxvc.checkOut();
1269         }
1270         break;
1271
1272         case LFUN_VC_REVERT:
1273         {
1274                 owner->buffer()->lyxvc.revert();
1275         }
1276         break;
1277
1278         case LFUN_VC_UNDO:
1279         {
1280                 owner->buffer()->lyxvc.undoLast();
1281         }
1282         break;
1283
1284         case LFUN_VC_HISTORY:
1285         {
1286                 owner->getDialogs()->showVCLogFile();
1287                 break;
1288         }
1289
1290         // --- buffers ----------------------------------------
1291
1292         case LFUN_SWITCHBUFFER:
1293                 owner->view()->buffer(bufferlist.getBuffer(argument));
1294                 break;
1295
1296         case LFUN_FILE_NEW:
1297         {
1298                 // servercmd: argument must be <file>:<template>
1299                 Buffer * tmpbuf = NewLyxFile(argument);
1300                 if (tmpbuf)
1301                         owner->view()->buffer(tmpbuf);
1302         }
1303         break;
1304
1305         case LFUN_FILE_OPEN:
1306                 open(argument);
1307                 break;
1308
1309         case LFUN_LATEX_LOG:
1310                 owner->getDialogs()->showLogFile();
1311                 break;
1312
1313         case LFUN_LAYOUT_DOCUMENT:
1314                 owner->getDialogs()->showDocument();
1315                 break;
1316
1317         case LFUN_LAYOUT_PARAGRAPH:
1318                 owner->getDialogs()->showParagraph();
1319                 break;
1320
1321         case LFUN_LAYOUT_CHARACTER:
1322                 owner->getDialogs()->showCharacter();
1323                 break;
1324
1325         case LFUN_LAYOUT_TABULAR:
1326             if (owner->view()->theLockingInset()) {
1327                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1328                     InsetTabular * inset = static_cast<InsetTabular *>
1329                         (owner->view()->theLockingInset());
1330                     inset->openLayoutDialog(owner->view());
1331                 } else if (owner->view()->theLockingInset()->
1332                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1333                     InsetTabular * inset = static_cast<InsetTabular *>(
1334                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1335                     inset->openLayoutDialog(owner->view());
1336                 }
1337             }
1338             break;
1339
1340         case LFUN_LAYOUT_PREAMBLE:
1341                 owner->getDialogs()->showPreamble();
1342                 break;
1343
1344         case LFUN_DROP_LAYOUTS_CHOICE:
1345                 owner->getToolbar()->openLayoutList();
1346                 break;
1347
1348         case LFUN_MENU_OPEN_BY_NAME:
1349                 owner->getMenubar()->openByName(argument);
1350                 break; // RVDK_PATCH_5
1351
1352         case LFUN_SPELLCHECK:
1353                 if (lyxrc.isp_command != "none")
1354                         owner->getDialogs()->showSpellchecker();
1355                 break;
1356
1357         // --- lyxserver commands ----------------------------
1358
1359
1360         case LFUN_GETNAME:
1361                 setMessage(owner->buffer()->fileName());
1362                 lyxerr[Debug::INFO] << "FNAME["
1363                                << owner->buffer()->fileName()
1364                                << "] " << endl;
1365                 break;
1366
1367         case LFUN_NOTIFY:
1368         {
1369                 dispatch_buffer = keyseq.print();
1370                 lyxserver->notifyClient(dispatch_buffer);
1371         }
1372         break;
1373
1374         case LFUN_GOTOFILEROW:
1375         {
1376                 string file_name;
1377                 int row;
1378                 istringstream istr(argument.c_str());
1379                 istr >> file_name >> row;
1380                 // Must replace extension of the file to be .lyx and get full path
1381                 string const s(ChangeExtension(file_name, ".lyx"));
1382
1383                 // Either change buffer or load the file
1384                 if (bufferlist.exists(s)) {
1385                         owner->view()->buffer(bufferlist.getBuffer(s));
1386                 } else {
1387                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1388                 }
1389
1390                 // Set the cursor
1391                 owner->view()->setCursorFromRow(row);
1392
1393                 // Recenter screen
1394                 owner->view()->center();
1395         }
1396         break;
1397
1398         case LFUN_GOTO_PARAGRAPH:
1399         {
1400                 istringstream istr(argument.c_str());
1401
1402                 int id;
1403                 istr >> id;
1404                 Paragraph * par = owner->buffer()->getParFromID(id);
1405                 if (par == 0) {
1406                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1407                                             << id << "]" << std::endl;
1408                         break;
1409                 } else {
1410                         lyxerr << "Paragraph " << par->id()
1411                                << " found." << endl;
1412                 }
1413
1414                 if (owner->view()->theLockingInset())
1415                         owner->view()->unlockInset(owner->view()->theLockingInset());
1416                 if (par->inInset()) {
1417                         par->inInset()->edit(owner->view());
1418                 }
1419                 // Set the cursor
1420                 owner->view()->getLyXText()->setCursor(owner->view(), par, 0);
1421                 owner->view()->setState();
1422                 owner->showState();
1423
1424                 // Recenter screen
1425                 owner->view()->center();
1426         }
1427         break;
1428
1429         case LFUN_APROPOS:
1430         case LFUN_GETTIP:
1431         {
1432                 int const qa = lyxaction.LookupFunc(argument);
1433                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1434         }
1435         break;
1436
1437         // --- toolbar ----------------------------------
1438         case LFUN_PUSH_TOOLBAR:
1439         {
1440                 int nth = strToInt(argument);
1441                 if (nth <= 0) {
1442                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1443                 } else {
1444                         owner->getToolbar()->push(nth);
1445                 }
1446         }
1447         break;
1448
1449         case LFUN_ADD_TO_TOOLBAR:
1450         {
1451                 if (lyxerr.debugging(Debug::GUI)) {
1452                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1453                                 "argument = `" << argument << '\'' << endl;
1454                 }
1455                 string tmp(argument);
1456                 //lyxerr <<string("Argument: ") + argument);
1457                 //lyxerr <<string("Tmp     : ") + tmp);
1458                 if (tmp.empty()) {
1459                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1460                 } else {
1461                         owner->getToolbar()->add(argument, false);
1462                         owner->getToolbar()->set();
1463                 }
1464         }
1465         break;
1466
1467         // --- insert characters ----------------------------------------
1468
1469         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1470         case LFUN_MATH_EXTERN:
1471         case LFUN_MATH_NUMBER:
1472         case LFUN_MATH_NONUMBER:
1473         case LFUN_MATH_LIMITS:
1474         {
1475                 setErrorMessage(N_("This is only allowed in math mode!"));
1476         }
1477         break;
1478
1479         // passthrough hat and underscore outside mathed:
1480         case LFUN_SUBSCRIPT:
1481                 dispatch(LFUN_SELFINSERT, "_");
1482                 break;
1483         case LFUN_SUPERSCRIPT:
1484                 dispatch(LFUN_SELFINSERT, "^");
1485                 break;
1486
1487         case LFUN_MATH_PANEL:
1488                 owner->getDialogs()->showMathPanel();
1489                 break;
1490
1491         case LFUN_CITATION_CREATE:
1492         {
1493                 InsetCommandParams p( "cite" );
1494
1495                 if (!argument.empty()) {
1496                         // This should be set at source, ie when typing
1497                         // "citation-insert foo" in the minibuffer.
1498                         // Question: would pybibliographer also need to be
1499                         // changed. Suspect so. Leave as-is therefore.
1500                         if (contains(argument, "|")) {
1501                                 p.setContents( token(argument, '|', 0) );
1502                                 p.setOptions(  token(argument, '|', 1) );
1503                         } else {
1504                                 p.setContents( argument );
1505                         }
1506                         dispatch(LFUN_CITATION_INSERT, p.getAsString());
1507                 } else
1508                         owner->getDialogs()->createCitation( p.getAsString() );
1509         }
1510         break;
1511
1512         case LFUN_CHILDOPEN:
1513         {
1514                 string const filename =
1515                         MakeAbsPath(argument,
1516                                     owner->buffer()->filePath());
1517                 setMessage(N_("Opening child document ") +
1518                            MakeDisplayPath(filename) + "...");
1519                 owner->view()->savePosition(0);
1520                 if (bufferlist.exists(filename))
1521                         owner->view()->buffer(bufferlist.getBuffer(filename));
1522                 else
1523                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1524         }
1525         break;
1526
1527         case LFUN_TOGGLECURSORFOLLOW:
1528                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1529                 break;
1530
1531         case LFUN_KMAP_OFF:             // keymap off
1532                 owner->getIntl()->KeyMapOn(false);
1533                 break;
1534
1535         case LFUN_KMAP_PRIM:    // primary keymap
1536                 owner->getIntl()->KeyMapPrim();
1537                 break;
1538
1539         case LFUN_KMAP_SEC:             // secondary keymap
1540                 owner->getIntl()->KeyMapSec();
1541                 break;
1542
1543         case LFUN_KMAP_TOGGLE:  // toggle keymap
1544                 owner->getIntl()->ToggleKeyMap();
1545                 break;
1546
1547         case LFUN_SEQUENCE:
1548         {
1549                 // argument contains ';'-terminated commands
1550                 while (argument.find(';') != string::npos) {
1551                         string first;
1552                         argument = split(argument, first, ';');
1553                         verboseDispatch(first, false);
1554                 }
1555         }
1556         break;
1557
1558         case LFUN_DIALOG_PREFERENCES:
1559                 owner->getDialogs()->showPreferences();
1560                 break;
1561
1562         case LFUN_SAVEPREFERENCES:
1563         {
1564                 Path p(user_lyxdir);
1565                 lyxrc.write("preferences");
1566         }
1567         break;
1568
1569         case LFUN_SCREEN_FONT_UPDATE:
1570         {
1571                 // handle the screen font changes.
1572                 //
1573                 lyxrc.set_font_norm_type();
1574                 fontloader.update();
1575                 // Of course we should only do the resize and the textcache.clear
1576                 // if values really changed...but not very important right now. (Lgb)
1577                 // All visible buffers will need resize
1578                 owner->resize();
1579                 // We also need to empty the textcache so that
1580                 // the buffer will be formatted correctly after
1581                 // a zoom change.
1582                 textcache.clear();
1583         }
1584         break;
1585
1586         case LFUN_SET_COLOR:
1587         {
1588                 string lyx_name;
1589                 string const x11_name = split(argument, lyx_name, ' ');
1590                 if (lyx_name.empty() || x11_name.empty()) {
1591                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1592                                                 " <x11_name>"));
1593                         break;
1594                         }
1595
1596                 if (!lcolor.setColor(lyx_name, x11_name)) {
1597                         static string const err1 (N_("Set-color \""));
1598                         static string const err2 (
1599                                 N_("\" failed - color is undefined "
1600                                    "or may not be redefined"));
1601                         setErrorMessage(_(err1) + lyx_name + _(err2));
1602                         break;
1603                 }
1604                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1605                 owner->view()->redraw();
1606                 break;
1607         }
1608
1609         case LFUN_MESSAGE:
1610                 owner->message(argument);
1611                 break;
1612
1613         case LFUN_MESSAGE_PUSH:
1614                 owner->messagePush(argument);
1615                 break;
1616
1617         case LFUN_MESSAGE_POP:
1618                 owner->messagePop();
1619                 break;
1620
1621         default:
1622                 // Then if it was none of the above
1623                 if (!owner->view()->Dispatch(action, argument))
1624                         lyxerr << "A truly unknown func ["
1625                                << lyxaction.getActionName(action) << "]!"
1626                                << endl;
1627                 break;
1628         } // end of switch
1629
1630 exit_with_message:
1631
1632         string const res = getMessage();
1633
1634         if (!res.empty())
1635                 owner->message(_(res));
1636         owner->updateMenubar();
1637         owner->updateToolbar();
1638
1639         return res;
1640 }
1641
1642
1643 void LyXFunc::setupLocalKeymap()
1644 {
1645         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1646         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1647 }
1648
1649
1650 void LyXFunc::menuNew(bool fromTemplate)
1651 {
1652         string initpath = lyxrc.document_path;
1653
1654         if (owner->view()->available()) {
1655                 string const trypath = owner->buffer()->filePath();
1656                 // If directory is writeable, use this as default.
1657                 if (IsDirWriteable(trypath))
1658                         initpath = trypath;
1659         }
1660
1661         static int newfile_number;
1662         string s;
1663
1664         if (lyxrc.new_ask_filename) {
1665                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1666                                    LFUN_SELECT_FILE_SYNC,
1667                         make_pair(string(_("Documents|#o#O")),
1668                                   string(lyxrc.document_path)),
1669                         make_pair(string(_("Templates|#T#t")),
1670                                   string(lyxrc.template_path)));
1671
1672                 FileDialog::Result result =
1673                         fileDlg.Select(initpath,
1674                                        _("*.lyx|LyX Documents (*.lyx)"),
1675                                        _("newfile"));
1676
1677                 if (result.second.empty()) {
1678                         owner->message(_("Canceled."));
1679                         lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
1680                         return;
1681                 }
1682
1683                 // get absolute path of file and make sure the filename ends
1684                 // with .lyx
1685                 s = MakeAbsPath(result.second);
1686                 if (!IsLyXFilename(s))
1687                         s += ".lyx";
1688
1689                 // Check if the document already is open
1690                 if (bufferlist.exists(s)) {
1691                         switch (Alert::askConfirmation(_("Document is already open:"),
1692                                                 MakeDisplayPath(s, 50),
1693                                                 _("Do you want to close that document now?\n"
1694                                                   "('No' will just switch to the open version)")))
1695                         {
1696                         case 1: // Yes: close the document
1697                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1698                                 // If close is canceled, we cancel here too.
1699                                         return;
1700                                 break;
1701                         case 2: // No: switch to the open document
1702                                 owner->view()->buffer(bufferlist.getBuffer(s));
1703                                 return;
1704                         case 3: // Cancel: Do nothing
1705                                 owner->message(_("Canceled."));
1706                                 return;
1707                         }
1708                 }
1709                 // Check whether the file already exists
1710                 FileInfo fi(s);
1711                 if (fi.readable() &&
1712                     Alert::askQuestion(_("File already exists:"),
1713                                 MakeDisplayPath(s, 50),
1714                                 _("Do you want to open the document?"))) {
1715                                 // loads document
1716                         string const disp_fn(MakeDisplayPath(s));
1717
1718                         ostringstream str;
1719                         str << _("Opening  document") << ' '
1720                             << disp_fn << "...";
1721
1722                         owner->message(str.str().c_str());
1723                         //XFlush(fl_get_display());
1724                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1725                         ostringstream str2;
1726                         str2 << _("Document") << ' '
1727                              << disp_fn << ' ' << _("opened.");
1728
1729                         owner->message(str2.str().c_str());
1730
1731                         return;
1732                 }
1733         } else {
1734                 s = AddName(lyxrc.document_path,
1735                             "newfile" + tostr(++newfile_number) + ".lyx");
1736                 FileInfo fi(s);
1737                 while (bufferlist.exists(s) || fi.readable()) {
1738                         ++newfile_number;
1739                         s = AddName(lyxrc.document_path,
1740                                     "newfile" + tostr(newfile_number) +
1741                                     ".lyx");
1742                         fi.newFile(s);
1743                 }
1744         }
1745
1746         // The template stuff
1747         string templname;
1748         if (fromTemplate) {
1749                 FileDialog fileDlg(owner, _("Select template file"),
1750                         LFUN_SELECT_FILE_SYNC,
1751                         make_pair(string(_("Documents|#o#O")),
1752                                   string(lyxrc.document_path)),
1753                         make_pair(string(_("Templates|#T#t")),
1754                                   string(lyxrc.template_path)));
1755
1756                 FileDialog::Result result =
1757                         fileDlg.Select(lyxrc.template_path,
1758                                        _("*.lyx|LyX Documents (*.lyx)"));
1759
1760                 if (result.first == FileDialog::Later)
1761                         return;
1762
1763                 string const fname = result.second;
1764
1765                 if (fname.empty())
1766                         return;
1767                 templname = fname;
1768         }
1769
1770         // find a free buffer
1771         lyxerr[Debug::INFO] << "Find a free buffer." << endl;
1772         owner->view()->buffer(bufferlist.newFile(s, templname));
1773 }
1774
1775
1776 void LyXFunc::open(string const & fname)
1777 {
1778         string initpath = lyxrc.document_path;
1779
1780         if (owner->view()->available()) {
1781                 string const trypath = owner->buffer()->filePath();
1782                 // If directory is writeable, use this as default.
1783                 if (IsDirWriteable(trypath))
1784                         initpath = trypath;
1785         }
1786
1787         string filename;
1788
1789         if (fname.empty()) {
1790                 FileDialog fileDlg(owner, _("Select document to open"),
1791                         LFUN_FILE_OPEN,
1792                         make_pair(string(_("Documents|#o#O")),
1793                                   string(lyxrc.document_path)),
1794                         make_pair(string(_("Examples|#E#e")),
1795                                   string(AddPath(system_lyxdir, "examples"))));
1796
1797                 FileDialog::Result result =
1798                         fileDlg.Select(initpath,
1799                                        "*.lyx|LyX Documents (*.lyx)");
1800
1801                 if (result.first == FileDialog::Later)
1802                         return;
1803
1804                 filename = result.second;
1805
1806                 // check selected filename
1807                 if (filename.empty()) {
1808                         owner->message(_("Canceled."));
1809                         return;
1810                 }
1811         } else
1812                 filename = fname;
1813
1814         // get absolute path of file and add ".lyx" to the filename if
1815         // necessary
1816         string const fullpath = FileSearch(string(), filename, "lyx");
1817         if (fullpath.empty()) {
1818                 Alert::alert(_("Error"), _("Could not find file"), filename);
1819                 return;
1820         }
1821
1822         filename = fullpath;
1823
1824         // loads document
1825         string const disp_fn(MakeDisplayPath(filename));
1826
1827         ostringstream str;
1828         str << _("Opening document") << ' ' << disp_fn << "...";
1829
1830         owner->message(str.str().c_str());
1831
1832         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1833         if (openbuf) {
1834                 owner->view()->buffer(openbuf);
1835                 ostringstream str;
1836                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1837                 owner->message(str.str().c_str());
1838         } else {
1839                 ostringstream str;
1840                 str << _("Could not open document") << ' ' << disp_fn;
1841                 owner->message(str.str().c_str());
1842         }
1843 }
1844
1845
1846 // checks for running without gui are missing.
1847 void LyXFunc::doImport(string const & argument)
1848 {
1849         string format;
1850         string filename = split(argument, format, ' ');
1851         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1852                             << " file: " << filename << endl;
1853
1854         if (filename.empty()) { // need user interaction
1855                 string initpath = lyxrc.document_path;
1856
1857                 if (owner->view()->available()) {
1858                         string const trypath = owner->buffer()->filePath();
1859                         // If directory is writeable, use this as default.
1860                         if (IsDirWriteable(trypath))
1861                                 initpath = trypath;
1862                 }
1863
1864                 string const text = _("Select ") + formats.prettyName(format)
1865                         + _(" file to import");
1866
1867                 FileDialog fileDlg(owner, text,
1868                         LFUN_IMPORT,
1869                         make_pair(string(_("Documents|#o#O")),
1870                                   string(lyxrc.document_path)),
1871                         make_pair(string(_("Examples|#E#e")),
1872                                   string(AddPath(system_lyxdir, "examples"))));
1873
1874                 string const extension = "*." + formats.extension(format)
1875                         + "| " + formats.prettyName(format)
1876                         + " (*." + formats.extension(format) + ")";
1877
1878                 FileDialog::Result result = fileDlg.Select(initpath,
1879                                                            extension);
1880
1881                 if (result.first == FileDialog::Later)
1882                         return;
1883
1884                 filename = result.second;
1885
1886                 // check selected filename
1887                 if (filename.empty())
1888                         owner->message(_("Canceled."));
1889         }
1890
1891         // still no filename? abort
1892         if (filename.empty())
1893                 return;
1894
1895         // get absolute path of file
1896         filename = MakeAbsPath(filename);
1897
1898         string const lyxfile = ChangeExtension(filename, ".lyx");
1899
1900         // Check if the document already is open
1901         if (bufferlist.exists(lyxfile)) {
1902                 switch (Alert::askConfirmation(_("Document is already open:"),
1903                                         MakeDisplayPath(lyxfile, 50),
1904                                         _("Do you want to close that document now?\n"
1905                                           "('No' will just switch to the open version)")))
1906                         {
1907                         case 1: // Yes: close the document
1908                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1909                                 // If close is canceled, we cancel here too.
1910                                         return;
1911                                 break;
1912                         case 2: // No: switch to the open document
1913                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1914                                 return;
1915                         case 3: // Cancel: Do nothing
1916                                 owner->message(_("Canceled."));
1917                                 return;
1918                         }
1919         }
1920
1921         // Check if a LyX document by the same root exists in filesystem
1922         FileInfo const f(lyxfile, true);
1923         if (f.exist() && !Alert::askQuestion(_("A document by the name"),
1924                                       MakeDisplayPath(lyxfile),
1925                                       _("already exists. Overwrite?"))) {
1926                 owner->message(_("Canceled"));
1927                 return;
1928         }
1929         // filename should be valid now
1930
1931         Importer::Import(owner, filename, format);
1932 }
1933
1934
1935 void LyXFunc::reloadBuffer()
1936 {
1937         string const fn = owner->buffer()->fileName();
1938         if (bufferlist.close(owner->buffer()))
1939                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1940 }
1941
1942
1943 void LyXFunc::closeBuffer()
1944 {
1945         if (bufferlist.close(owner->buffer()) && !quitting) {
1946                 if (bufferlist.empty()) {
1947                         // need this otherwise SEGV may occur while trying to
1948                         // set variables that don't exist
1949                         // since there's no current buffer
1950                         owner->getDialogs()->hideBufferDependent();
1951                 } else {
1952                         owner->view()->buffer(bufferlist.first());
1953                 }
1954         }
1955 }
1956
1957
1958 // Each "owner" should have it's own message method. lyxview and
1959 // the minibuffer would use the minibuffer, but lyxserver would
1960 // send an ERROR signal to its client.  Alejandro 970603
1961 // This func is bit problematic when it comes to NLS, to make the
1962 // lyx servers client be language indepenent we must not translate
1963 // strings sent to this func.
1964 void LyXFunc::setErrorMessage(string const & m) const
1965 {
1966         dispatch_buffer = m;
1967         errorstat = true;
1968 }
1969
1970
1971 void LyXFunc::setMessage(string const & m) const
1972 {
1973         dispatch_buffer = m;
1974 }
1975
1976
1977 void LyXFunc::setStatusMessage(string const & m) const
1978 {
1979         status_buffer = m;
1980 }
1981
1982
1983 void LyXFunc::initMiniBuffer()
1984 {
1985         string text = _("Welcome to LyX!");
1986
1987         // When meta-fake key is pressed, show the key sequence so far + "M-".
1988         if (wasMetaKey()) {
1989                 text = keyseq.print();
1990                 text += "M-";
1991         }
1992
1993         // Else, when a non-complete key sequence is pressed,
1994         // show the available options.
1995         if (keyseq.length() > 0 && !keyseq.deleted()) {
1996                 text = keyseq.printOptions();
1997         }
1998
1999         // Else, show the buffer state.
2000         else if (owner->view()->available()) {
2001                 Buffer * tmpbuf = owner->buffer();
2002
2003                 string const nicename =
2004                         MakeDisplayPath(tmpbuf->fileName());
2005                 // Should we do this instead? (kindo like emacs)
2006                 // leaves more room for other information
2007                 text = "LyX: ";
2008                 text += nicename;
2009                 if (tmpbuf->lyxvc.inUse()) {
2010                         text += " [";
2011                         text += tmpbuf->lyxvc.versionString();
2012                         text += ' ';
2013                         text += tmpbuf->lyxvc.locker();
2014                         if (tmpbuf->isReadonly())
2015                                 text += " (RO)";
2016                         text += ']';
2017                 } else if (tmpbuf->isReadonly())
2018                         text += " [RO]";
2019                 if (!tmpbuf->isLyxClean())
2020                         text += _(" (Changed)");
2021         } else {
2022                 if (text != _("Welcome to LyX!")) // this is a hack
2023                         text = _("* No document open *");
2024         }
2025
2026         owner->message(text);
2027 }
2028