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 // Initialization of static member var
 162 bool LyXFunc::show_sc = true;
 163
 164
 165 LyXFunc::LyXFunc(LyXView * o)
 166         : owner(o),
 167         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 168         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get())
 169 {
 170         meta_fake_bit = 0;
 171         lyx_dead_action = LFUN_NOACTION;
 172         lyx_calling_dead_action = LFUN_NOACTION;
 173 }
 174
 175
 176 inline
 177 LyXText * LyXFunc::TEXT(bool flag = true) const
 178 {
 179         if (flag)
 180                 return owner->view()->text;
 181         return owner->view()->getLyXText();
 182 }
 183
 184
 185 // I changed this func slightly. I commented out the ...FinishUndo(),
 186 // this means that all places that used to have a moveCursorUpdate, now
 187 // have a ...FinishUndo() as the preceeding statement. I have also added
 188 // a moveCursorUpdate to some of the functions that updated the cursor, but
 189 // that did not show its new position.
 190 inline
 191 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 192 {
 193         if (selecting || TEXT(flag)->selection.mark()) {
 194                 TEXT(flag)->setSelection(owner->view());
 195                 if (TEXT(flag)->bv_owner)
 196                     owner->view()->toggleToggle();
 197         }
 198         owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 199         owner->view()->showCursor();
 200
 201         /* ---> Everytime the cursor is moved, show the current font state. */
 202         // should this too me moved out of this func?
 203         owner->view()->setState();
 204 }
 205
 206
 207 void LyXFunc::handleKeyFunc(kb_action action)
 208 {
 209         char c = keyseq.getiso();
 210
 211         if (keyseq.length() > 1) {
 212                 c = 0;
 213         }
 214
 215         owner->getIntl()->getTrans()
 216                 .deadkey(c, get_accent(action).accent, TEXT(false));
 217         // Need to clear, in case the minibuffer calls these
 218         // actions
 219         keyseq.clear();
 220         // copied verbatim from do_accent_char
 221         owner->view()->update(TEXT(false),
 222                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 223         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 224 }
 225
 226
 227 void LyXFunc::processKeySym(KeySym keysym, unsigned int state)
 228 {
 229         string argument;
 230
 231         if (lyxerr.debugging(Debug::KEY)) {
 232                 char const * tmp = XKeysymToString(keysym);
 233                 string const stm = (tmp ? tmp : "");
 234                 lyxerr << "KeySym is "
 235                        << stm
 236                        << "["
 237                        << keysym << "] State is ["
 238                        << state << "]"
 239                        << endl;
 240         }
 241         // Do nothing if we have nothing (JMarc)
 242         if (keysym == NoSymbol) {
 243                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 244                                    << endl;
 245                 return;
 246         }
 247
 248         // Can we be sure that this will work for all X Window
 249         // implementations? (Lgb)
 250         // This code snippet makes lyx ignore some keys. Perhaps
 251         // all of them should be explictly mentioned?
 252         if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
 253             || keysym == XK_Mode_switch || keysym == 0x0) {
 254                 return;
 255         }
 256
 257         // Do a one-deep top-level lookup for
 258         // cancel and meta-fake keys. RVDK_PATCH_5
 259         cancel_meta_seq.reset();
 260
 261         int action = cancel_meta_seq.addkey(keysym, state
 262                                             &(ShiftMask|ControlMask
 263                                               |Mod1Mask));
 264         if (lyxerr.debugging(Debug::KEY)) {
 265                 lyxerr << "action first set to [" << action << "]" << endl;
 266         }
 267
 268         // When not cancel or meta-fake, do the normal lookup.
 269         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 270         // Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
 271         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 272                 if (lyxerr.debugging(Debug::KEY)) {
 273                         lyxerr << "meta_fake_bit is ["
 274                                << meta_fake_bit << "]" << endl;
 275                 }
 276                 // remove Caps Lock and Mod2 as a modifiers
 277                 action = keyseq.addkey(keysym,
 278                                        (state | meta_fake_bit)
 279                                        &(ShiftMask|ControlMask
 280                                          |Mod1Mask));
 281                 if (lyxerr.debugging(Debug::KEY)) {
 282                         lyxerr << "action now set to ["
 283                                << action << "]" << endl;
 284                 }
 285         }
 286         // Dont remove this unless you know what you are doing.
 287         meta_fake_bit = 0;
 288
 289         // can this happen now ?
 290         if (action == LFUN_NOACTION) {
 291                 action = LFUN_PREFIX;
 292         }
 293
 294         if (lyxerr.debugging(Debug::KEY)) {
 295                 lyxerr << "Key [action="
 296                        << action << "]["
 297                        << keyseq.print() << "]"
 298                        << endl;
 299         }
 300
 301         // already here we know if it any point in going further
 302         // why not return already here if action == -1 and
 303         // num_bytes == 0? (Lgb)
 304
 305         if (keyseq.length() > 1 && !keyseq.deleted()) {
 306                 owner->message(keyseq.print());
 307         }
 308
 309         if (action == LFUN_UNKNOWN_ACTION) {
 310                 // It is unknown, but what if we remove all
 311                 // the modifiers? (Lgb)
 312                 action = keyseq.addkey(keysym, 0);
 313
 314                 if (lyxerr.debugging(Debug::KEY)) {
 315                         lyxerr << "Removing modifiers...\n"
 316                                << "Action now set to ["
 317                                << action << "]" << endl;
 318                 }
 319                 if (action == LFUN_UNKNOWN_ACTION) {
 320                         owner->message(_("Unknown function."));
 321                         return;
 322                 }
 323         }
 324
 325         if (action == LFUN_SELFINSERT) {
 326                 // This is very X dependent.
 327                 unsigned int c = keysym;
 328
 329                 c = kb_keymap::getiso(c);
 330
 331                 if (c > 0)
 332                         argument = static_cast<char>(c);
 333                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 334                                    << argument << "']" << endl;
 335         }
 336
 337         bool tmp_sc = show_sc;
 338         show_sc = false;
 339         dispatch(action, argument);
 340         show_sc = tmp_sc;
 341
 342         //return 0;
 343 }
 344
 345
 346 func_status::value_type LyXFunc::getStatus(int ac) const
 347 {
 348         return getStatus(ac, string());
 349 }
 350
 351 func_status::value_type LyXFunc::getStatus(int ac,
 352                                            string const & not_to_use_arg) const
 353 {
 354         kb_action action;
 355         func_status::value_type flag = func_status::OK;
 356         string argument;
 357         Buffer * buf = owner->buffer();
 358
 359         if (lyxaction.isPseudoAction(ac))
 360                 action = lyxaction.retrieveActionArg(ac, argument);
 361         else {
 362                 action = static_cast<kb_action>(ac);
 363                 if (!not_to_use_arg.empty())
 364                         argument = not_to_use_arg; // exept here
 365         }
 366
 367         if (action == LFUN_UNKNOWN_ACTION) {
 368                 setErrorMessage(N_("Unknown action"));
 369                 return func_status::Unknown;
 370         }
 371
 372         // Check whether we need a buffer
 373         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 374                 // Yes we need a buffer, do we have one?
 375                 if (buf) {
 376                         // yes
 377                         // Can we use a readonly buffer?
 378                         if (buf->isReadonly() &&
 379                             !lyxaction.funcHasFlag(action,
 380                                                    LyXAction::ReadOnly)) {
 381                                 // no
 382                                 setErrorMessage(N_("Document is read-only"));
 383                                 flag |= func_status::Disabled;
 384                         }
 385                 } else {
 386                         // no
 387                         setErrorMessage(N_("Command not allowed with"
 388                                            "out any document open"));
 389                         flag |= func_status::Disabled;
 390                         return flag;
 391                 }
 392         }
 393
 394         // I would really like to avoid having this switch and rather try to
 395         // encode this in the function itself.
 396         bool disable = false;
 397         switch (action) {
 398         case LFUN_MENUPRINT:
 399                 disable = !Exporter::IsExportable(buf, "dvi")
 400                         || lyxrc.print_command == "none";
 401                 break;
 402         case LFUN_EXPORT:
 403                 disable = argument == "fax" &&
 404                         !Exporter::IsExportable(buf, argument);
 405                 break;
 406         case LFUN_UNDO:
 407                 disable = buf->undostack.empty();
 408                 break;
 409         case LFUN_REDO:
 410                 disable = buf->redostack.empty();
 411                 break;
 412         case LFUN_SPELLCHECK:
 413                 disable = lyxrc.isp_command == "none";
 414                 break;
 415 #ifndef HAVE_LIBAIKSAURUS
 416         case LFUN_THESAURUS_ENTRY:
 417                 disable = true;
 418                 break;
 419 #endif
 420         case LFUN_RUNCHKTEX:
 421                 disable = lyxrc.chktex_command == "none";
 422                 break;
 423         case LFUN_BUILDPROG:
 424                 disable = !Exporter::IsExportable(buf, "program");
 425                 break;
 426
 427         case LFUN_LAYOUT_TABULAR:
 428                 disable = true;
 429                 if (owner->view()->theLockingInset()) {
 430                         disable = (owner->view()->theLockingInset()->lyxCode() != Inset::TABULAR_CODE) &&
 431                                 !owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 432                 }
 433                 break;
 434
 435         case LFUN_TABULAR_FEATURE:
 436                 disable = true;
 437                 if (owner->view()->theLockingInset()) {
 438                         func_status::value_type ret = func_status::Disabled;
 439                         if (owner->view()->theLockingInset()->lyxCode() == Inset::TABULAR_CODE) {
 440                                 ret = static_cast<InsetTabular *>
 441                                         (owner->view()->theLockingInset())->
 442                                         getStatus(argument);
 443                         } else if (owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 444                                 ret = static_cast<InsetTabular *>
 445                                         (owner->view()->theLockingInset()->
 446                                          getFirstLockingInsetOfType(Inset::TABULAR_CODE))->
 447                                         getStatus(argument);
 448                         }
 449                         flag |= ret;
 450                         disable = false;
 451                 } else {
 452                         static InsetTabular inset(*owner->buffer(), 1, 1);
 453                         func_status::value_type ret;
 454
 455                         disable = true;
 456                         ret = inset.getStatus(argument);
 457                         if ((ret & func_status::ToggleOn) ||
 458                             (ret & func_status::ToggleOff))
 459                                 flag |= func_status::ToggleOff;
 460                 }
 461                 break;
 462
 463         case LFUN_VC_REGISTER:
 464                 disable = buf->lyxvc.inUse();
 465                 break;
 466         case LFUN_VC_CHECKIN:
 467                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 468                 break;
 469         case LFUN_VC_CHECKOUT:
 470                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 471                 break;
 472         case LFUN_VC_REVERT:
 473         case LFUN_VC_UNDO:
 474         case LFUN_VC_HISTORY:
 475                 disable = !buf->lyxvc.inUse();
 476                 break;
 477         case LFUN_BOOKMARK_GOTO:
 478                 disable =  !owner->view()->
 479                         isSavedPosition(strToUnsignedInt(argument));
 480                 break;
 481
 482
 483         case LFUN_INSET_TOGGLE:
 484                 disable = (TEXT(false)->getInset() == 0);
 485                 break;
 486
 487         case LFUN_MATH_VALIGN: {
 488     // I think this test can be simplified (Andre')
 489                 // mathcursor is != 0  iff we are in math mode
 490                 //Inset * tli = owner->view()->theLockingInset();
 491                 //if (tli && (tli->lyxCode() == Inset::MATH_CODE
 492                 //          || tli->lyxCode() == Inset::MATHMACRO_CODE)) {
 493                 //
 494                 if (mathcursor) {
 495                         char align = mathcursor->valign();
 496                         if (align == '\0') {
 497                                 disable = true;
 498                                 break;
 499                         }
 500                         if (argument.empty()) {
 501                                 flag = func_status::OK;
 502                                 break;
 503                         }
 504                         if (!contains("tcb", argument[0])) {
 505                                 disable = true;
 506                                 break;
 507                         }
 508                         func_status::toggle(flag, argument[0] == align);
 509                 } else
 510                         disable = true;
 511                 break;
 512         }
 513         case LFUN_MATH_HALIGN: {
 514                 //Inset * tli = owner->view()->theLockingInset();
 515                 //if (tli && (tli->lyxCode() == Inset::MATH_CODE
 516                 //          || tli->lyxCode() == Inset::MATHMACRO_CODE)) {
 517                 if (mathcursor) {
 518                         char align = mathcursor->halign();
 519                         if (align == '\0') {
 520                                 disable = true;
 521                                 break;
 522                         }
 523                         if (argument.empty()) {
 524                                 flag = func_status::OK;
 525                                 break;
 526                         }
 527                         if (!contains("lcr", argument[0])) {
 528                                 disable = true;
 529                                 break;
 530                         }
 531                         func_status::toggle(flag, argument[0] == align);
 532                 } else
 533                         disable = true;
 534                 break;
 535         }
 536         case LFUN_MATH_MUTATE: {
 537                 Inset * tli = owner->view()->theLockingInset();
 538                 if (tli && (tli->lyxCode() == Inset::MATH_CODE)) {
 539                         MathInsetTypes type = mathcursor->formula()->getType();
 540                         if (argument == "inline") {
 541                                 func_status::toggle(flag, type == LM_OT_SIMPLE);
 542                         } else if (argument == "display") {
 543                                 func_status::toggle(flag, type == LM_OT_EQUATION);
 544                         } else if (argument == "eqnarray") {
 545                                 func_status::toggle(flag, type == LM_OT_EQNARRAY);
 546                         } else if (argument == "align") {
 547                                 func_status::toggle(flag, type == LM_OT_ALIGN);
 548                         } else {
 549                                 disable = true;
 550                         }
 551                 } else
 552                         disable = true;
 553                 break;
 554         }
 555
 556         // we just need to be in math mode to enable that
 557         case LFUN_MATH_SIZE:
 558         case LFUN_MATH_SPACE:
 559         case LFUN_MATH_LIMITS:
 560         case LFUN_MATH_NONUMBER:
 561         case LFUN_MATH_NUMBER:
 562                 disable = !mathcursor;
 563                 break;
 564
 565         // we need to be math mode and a math array for that
 566         // Hack: halign produces non-zero result iff we are in a math array
 567         case LFUN_MATH_ROW_INSERT:
 568         case LFUN_MATH_ROW_DELETE:
 569         case LFUN_MATH_COLUMN_INSERT:
 570         case LFUN_MATH_COLUMN_DELETE:
 571                 disable = !mathcursor || !mathcursor->halign();
 572                 break;
 573
 574         default:
 575                 break;
 576         }
 577
 578         // the functions which insert insets
 579         Inset::Code code = Inset::NO_CODE;
 580         switch (action) {
 581         case LFUN_INSET_TEXT:
 582                 code = Inset::TEXT_CODE;
 583                 break;
 584         case LFUN_INSET_ERT:
 585                 code = Inset::ERT_CODE;
 586                 break;
 587         case LFUN_FIGURE:
 588         case LFUN_INSET_GRAPHICS:
 589                 code = Inset::GRAPHICS_CODE;
 590                 break;
 591         case LFUN_INSET_FOOTNOTE:
 592                 code = Inset::FOOT_CODE;
 593                 break;
 594         case LFUN_DIALOG_TABULAR_INSERT:
 595         case LFUN_INSET_TABULAR:
 596                 code = Inset::TABULAR_CODE;
 597                 break;
 598         case LFUN_INSET_EXTERNAL:
 599                 code = Inset::EXTERNAL_CODE;
 600                 break;
 601         case LFUN_INSET_MARGINAL:
 602                 code = Inset::MARGIN_CODE;
 603                 break;
 604         case LFUN_INSET_MINIPAGE:
 605                 code = Inset::MINIPAGE_CODE;
 606                 break;
 607         case LFUN_INSET_FLOAT:
 608         case LFUN_INSET_WIDE_FLOAT:
 609                 code = Inset::FLOAT_CODE;
 610                 break;
 611         case LFUN_FLOAT_LIST:
 612                 code = Inset::FLOAT_LIST_CODE;
 613                 break;
 614 #if 0
 615         case LFUN_INSET_LIST:
 616                 code = Inset::LIST_CODE;
 617                 break;
 618         case LFUN_INSET_THEOREM:
 619                 code = Inset::THEOREM_CODE;
 620                 break;
 621 #endif
 622         case LFUN_INSET_CAPTION:
 623                 code = Inset::CAPTION_CODE;
 624                 break;
 625         case LFUN_INSERT_NOTE:
 626                 code = Inset::IGNORE_CODE;
 627                 break;
 628         case LFUN_INSERT_LABEL:
 629                 code = Inset::LABEL_CODE;
 630                 break;
 631         case LFUN_REF_INSERT:
 632                 code = Inset::REF_CODE;
 633                 break;
 634         case LFUN_CITATION_CREATE:
 635         case LFUN_CITATION_INSERT:
 636                 code = Inset::CITE_CODE;
 637                 break;
 638         case LFUN_INSERT_BIBTEX:
 639                 code = Inset::BIBTEX_CODE;
 640                 break;
 641         case LFUN_INDEX_INSERT:
 642         case LFUN_INDEX_INSERT_LAST:
 643         case LFUN_INDEX_CREATE:
 644                 code = Inset::INDEX_CODE;
 645                 break;
 646         case LFUN_INDEX_PRINT:
 647                 code = Inset::INDEX_PRINT_CODE;
 648                 break;
 649         case LFUN_CHILD_INSERT:
 650                 code = Inset::INCLUDE_CODE;
 651                 break;
 652         case LFUN_TOC_INSERT:
 653                 code = Inset::TOC_CODE;
 654                 break;
 655         case LFUN_PARENTINSERT:
 656                 code = Inset::PARENT_CODE;
 657                 break;
 658         case LFUN_HTMLURL:
 659         case LFUN_URL:
 660         case LFUN_INSERT_URL:
 661                 code = Inset::URL_CODE;
 662                 break;
 663         case LFUN_QUOTE:
 664                 // always allow this, since we will inset a raw quote
 665                 // if an inset is not allowed.
 666                 break;
 667         case LFUN_HYPHENATION:
 668         case LFUN_LIGATURE_BREAK:
 669         case LFUN_HFILL:
 670         case LFUN_MENU_SEPARATOR:
 671         case LFUN_LDOTS:
 672         case LFUN_END_OF_SENTENCE:
 673         case LFUN_PROTECTEDSPACE:
 674                 code = Inset::SPECIALCHAR_CODE;
 675                 break;
 676         default:
 677                 break;
 678         }
 679         if (code != Inset::NO_CODE
 680             && owner->view()->theLockingInset()
 681             && !owner->view()->theLockingInset()->insetAllowed(code)) {
 682                 disable = true;
 683         }
 684
 685         if (disable)
 686                 flag |= func_status::Disabled;
 687
 688         // A few general toggles
 689         switch (action) {
 690         case LFUN_READ_ONLY_TOGGLE:
 691                 func_status::toggle(flag, buf->isReadonly());
 692                 break;
 693         case LFUN_APPENDIX:
 694                 func_status::toggle(flag, TEXT(false)->cursor.par()->params().startOfAppendix());
 695                 break;
 696         default:
 697                 break;
 698         }
 699
 700         // the font related toggles
 701         if (!mathcursor) {
 702                 LyXFont const & font = TEXT(false)->real_current_font;
 703                 switch (action) {
 704                 case LFUN_EMPH:
 705                         func_status::toggle(flag, font.emph() == LyXFont::ON);
 706                         break;
 707                 case LFUN_NOUN:
 708                         func_status::toggle(flag, font.noun() == LyXFont::ON);
 709                         break;
 710                 case LFUN_BOLD:
 711                         func_status::toggle(flag, font.series() == LyXFont::BOLD_SERIES);
 712                         break;
 713                 case LFUN_SANS:
 714                         func_status::toggle(flag, font.family() == LyXFont::SANS_FAMILY);
 715                         break;
 716                 case LFUN_ROMAN:
 717                         func_status::toggle(flag, font.family() == LyXFont::ROMAN_FAMILY);
 718                         break;
 719                 case LFUN_CODE:
 720                         func_status::toggle(flag, font.family() == LyXFont::TYPEWRITER_FAMILY);
 721                         break;
 722                 default:
 723                         break;
 724                 }
 725         }
 726         else {
 727                 MathTextCodes tc = mathcursor->getLastCode();
 728                 switch (action) {
 729                 case LFUN_BOLD:
 730                         func_status::toggle(flag, tc == LM_TC_BF);
 731                         break;
 732                 case LFUN_SANS:
 733                         func_status::toggle(flag, tc == LM_TC_SF);
 734                         break;
 735                 case LFUN_EMPH:
 736                         func_status::toggle(flag, tc == LM_TC_CAL);
 737                         break;
 738                 case LFUN_ROMAN:
 739                         func_status::toggle(flag, tc == LM_TC_RM);
 740                         break;
 741                 case LFUN_CODE:
 742                         func_status::toggle(flag, tc == LM_TC_TT);
 743                         break;
 744                 case LFUN_NOUN:
 745                         func_status::toggle(flag, tc == LM_TC_BB);
 746                         break;
 747                 case LFUN_DEFAULT:
 748                         func_status::toggle(flag, tc == LM_TC_VAR);
 749                         break;
 750                 default:
 751                         break;
 752                 }
 753         }
 754
 755         return flag;
 756 }
 757
 758
 759 // temporary dispatch method
 760 void LyXFunc::miniDispatch(string const & s)
 761 {
 762         string s2(frontStrip(strip(s)));
 763
 764         if (!s2.empty()) {
 765                 dispatch(s2);
 766         }
 767 }
 768
 769
 770 string const LyXFunc::dispatch(string const & s)
 771 {
 772         // Split command string into command and argument
 773         string cmd;
 774         string line = frontStrip(s);
 775         string const arg = strip(frontStrip(split(line, cmd, ' ')));
 776
 777         int action = lyxaction.LookupFunc(cmd);
 778
 779         if (action == LFUN_UNKNOWN_ACTION) {
 780                 string const msg = string(_("Unknown function ("))
 781                         + cmd + ")";
 782                 owner->message(msg);
 783                 return string();
 784         } else {
 785                 return dispatch(action, arg);
 786         }
 787 }
 788
 789
 790 string const LyXFunc::dispatch(int ac,
 791                                string const & do_not_use_this_arg)
 792 {
 793         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << ac
 794                               <<"] arg[" << do_not_use_this_arg << "]" << endl;
 795
 796         string argument;
 797         kb_action action;
 798
 799         // we have not done anything wrong yet.
 800         errorstat = false;
 801         dispatch_buffer.erase();
 802
 803         // if action is a pseudo-action, we need the real action
 804         if (lyxaction.isPseudoAction(ac)) {
 805                 string tmparg;
 806                 action = static_cast<kb_action>
 807                         (lyxaction.retrieveActionArg(ac, tmparg));
 808                 if (!tmparg.empty())
 809                         argument = tmparg;
 810         } else {
 811                 action = static_cast<kb_action>(ac);
 812                 if (!do_not_use_this_arg.empty())
 813                         argument = do_not_use_this_arg; // except here
 814         }
 815
 816
 817 #ifdef NEW_DISPATCHER
 818         // We try do call the most specific dispatcher first:
 819         //  1. the lockinginset's dispatch
 820         //  2. the bufferview's dispatch
 821         //  3. the lyxview's dispatch
 822 #endif
 823
 824         selection_possible = false;
 825
 826         if (owner->view()->available())
 827                 owner->view()->hideCursor();
 828
 829         // We cannot use this function here
 830         if (getStatus(ac, do_not_use_this_arg) & func_status::Disabled) {
 831                 lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: "
 832                        << lyxaction.getActionName(ac)
 833                        << " [" << ac << "] is disabled at this location"
 834                        << endl;
 835                 goto exit_with_message;
 836         }
 837
 838         if (owner->view()->available() && owner->view()->theLockingInset()) {
 839                 UpdatableInset::RESULT result;
 840                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 841                                      (!keyseq.deleted())))
 842                 {
 843                         if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
 844                                 argument = keyseq.getiso();
 845                         }
 846                         // Undo/Redo is a bit tricky for insets.
 847                         if (action == LFUN_UNDO) {
 848                                 owner->view()->menuUndo();
 849                                 return string();
 850                         } else if (action == LFUN_REDO) {
 851                                 owner->view()->menuRedo();
 852                                 return string();
 853                         } else if (((result=owner->view()->theLockingInset()->
 854                                      localDispatch(owner->view(), action, argument)) ==
 855                                     UpdatableInset::DISPATCHED) ||
 856                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 857                                 return string();
 858                         else if (result == UpdatableInset::FINISHED) {
 859                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 860                                                 TEXT()->cursorRight(owner->view());
 861                                                 moveCursorUpdate(true, false);
 862                                                 owner->showState();
 863                                         }
 864                                         return string();
 865                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 866                                 if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 867                                         TEXT()->cursorRight(owner->view());
 868                                         moveCursorUpdate(true, false);
 869                                         owner->showState();
 870                                 }
 871                                 return string();
 872                         } else if (result == UpdatableInset::FINISHED_UP) {
 873                                 if (TEXT()->cursor.row()->previous()) {
 874                                         TEXT()->cursorUp(owner->view());
 875                                         moveCursorUpdate(true, false);
 876                                         owner->showState();
 877                                 }
 878                                 return string();
 879                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 880                                 if (TEXT()->cursor.row()->next())
 881                                         TEXT()->cursorDown(owner->view());
 882                                 else
 883                                         TEXT()->cursorRight(owner->view());
 884                                 moveCursorUpdate(true, false);
 885                                 owner->showState();
 886                                 return string();
 887                         } else {
 888                                 //setMessage(N_("Text mode"));
 889                                 switch (action) {
 890                                 case LFUN_UNKNOWN_ACTION:
 891                                 case LFUN_BREAKPARAGRAPH:
 892                                 case LFUN_BREAKLINE:
 893                                         TEXT()->cursorRight(owner->view());
 894                                         owner->view()->setState();
 895                                         owner->showState();
 896                                         break;
 897                                 case LFUN_RIGHT:
 898                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 899                                                 TEXT()->cursorRight(owner->view());
 900                                                 moveCursorUpdate(true, false);
 901                                                 owner->showState();
 902                                         }
 903                                         return string();
 904                                 case LFUN_LEFT:
 905                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 906                                                 TEXT()->cursorRight(owner->view());
 907                                                 moveCursorUpdate(true, false);
 908                                                 owner->showState();
 909                                         }
 910                                         return string();
 911                                 case LFUN_DOWN:
 912                                         if (TEXT()->cursor.row()->next())
 913                                                 TEXT()->cursorDown(owner->view());
 914                                         else
 915                                                 TEXT()->cursorRight(owner->view());
 916                                         moveCursorUpdate(true, false);
 917                                         owner->showState();
 918                                         return string();
 919                                 default:
 920                                         break;
 921                                 }
 922                         }
 923                 }
 924         }
 925
 926         switch (action) {
 927
 928         case LFUN_ESCAPE:
 929         {
 930                 if (!owner->view()->available()) break;
 931                 // this function should be used always [asierra060396]
 932                 UpdatableInset * tli =
 933                         owner->view()->theLockingInset();
 934                 if (tli) {
 935                         UpdatableInset * lock = tli->getLockingInset();
 936
 937                         if (tli == lock) {
 938                                 owner->view()->unlockInset(tli);
 939                                 TEXT()->cursorRight(owner->view());
 940                                 moveCursorUpdate(true, false);
 941                                 owner->showState();
 942                         } else {
 943                                 tli->unlockInsetInInset(owner->view(),
 944                                                         lock,
 945                                                         true);
 946                         }
 947                         finishUndo();
 948                 }
 949         }
 950         break;
 951
 952                 // --- Misc -------------------------------------------
 953         case LFUN_WORDFINDFORWARD  :
 954         case LFUN_WORDFINDBACKWARD : {
 955                 static string last_search;
 956                 string searched_string;
 957
 958                 if (!argument.empty()) {
 959                         last_search = argument;
 960                         searched_string = argument;
 961                 } else {
 962                         searched_string = last_search;
 963                 }
 964                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 965                 if (!searched_string.empty()) {
 966                         LyXFind(owner->view(), searched_string, fw);
 967                 }
 968 //              owner->view()->showCursor();
 969         }
 970         break;
 971
 972         case LFUN_PREFIX:
 973         {
 974                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
 975                         owner->view()->update(TEXT(),
 976                                               BufferView::SELECT|BufferView::FITCUR);
 977                 }
 978                 owner->message(keyseq.print());
 979         }
 980         break;
 981
 982         // --- Misc -------------------------------------------
 983         case LFUN_EXEC_COMMAND:
 984         {
 985                 std::vector<string> allCmds;
 986                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
 987                                std::back_inserter(allCmds), lyx::firster());
 988                 static std::vector<string> hist;
 989                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
 990                                                   allCmds, hist);
 991         }
 992         break;
 993
 994         case LFUN_CANCEL:                   // RVDK_PATCH_5
 995                 keyseq.reset();
 996                 meta_fake_bit = 0;
 997                 if (owner->view()->available())
 998                         // cancel any selection
 999                         dispatch(LFUN_MARK_OFF);
1000                 setMessage(N_("Cancel"));
1001                 break;
1002
1003         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
1004         {
1005                 meta_fake_bit = Mod1Mask;
1006                 setMessage(keyseq.print());
1007         }
1008         break;
1009
1010         case LFUN_READ_ONLY_TOGGLE:
1011                 if (owner->buffer()->lyxvc.inUse()) {
1012                         owner->buffer()->lyxvc.toggleReadOnly();
1013                 } else {
1014                         owner->buffer()->setReadonly(
1015                                 !owner->buffer()->isReadonly());
1016                 }
1017                 break;
1018
1019         case LFUN_CENTER: // this is center and redraw.
1020                 owner->view()->center();
1021                 break;
1022
1023                 // --- Menus -----------------------------------------------
1024         case LFUN_MENUNEW:
1025                 menuNew(false);
1026                 break;
1027
1028         case LFUN_MENUNEWTMPLT:
1029                 menuNew(true);
1030                 break;
1031
1032         case LFUN_CLOSEBUFFER:
1033                 closeBuffer();
1034                 break;
1035
1036         case LFUN_MENUWRITE:
1037                 if (!owner->buffer()->isUnnamed()) {
1038                         ostringstream s1;
1039                         s1 << _("Saving document") << ' '
1040                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
1041                         owner->message(s1.str().c_str());
1042                         MenuWrite(owner->view(), owner->buffer());
1043                 } else
1044                         WriteAs(owner->view(), owner->buffer());
1045                 break;
1046
1047         case LFUN_WRITEAS:
1048                 WriteAs(owner->view(), owner->buffer(), argument);
1049                 break;
1050
1051         case LFUN_MENURELOAD:
1052                 reloadBuffer();
1053                 break;
1054
1055         case LFUN_UPDATE:
1056                 Exporter::Export(owner->buffer(), argument, true);
1057                 break;
1058
1059         case LFUN_PREVIEW:
1060                 Exporter::Preview(owner->buffer(), argument);
1061                 break;
1062
1063         case LFUN_BUILDPROG:
1064                 Exporter::Export(owner->buffer(), "program", true);
1065                 break;
1066
1067         case LFUN_RUNCHKTEX:
1068                 MenuRunChktex(owner->buffer());
1069                 break;
1070
1071         case LFUN_MENUPRINT:
1072                 owner->getDialogs()->showPrint();
1073                 break;
1074
1075         case LFUN_EXPORT:
1076                 if (argument == "custom")
1077                         MenuSendto();
1078                 else
1079                         Exporter::Export(owner->buffer(), argument, false);
1080                 break;
1081
1082         case LFUN_IMPORT:
1083                 doImport(argument);
1084                 break;
1085
1086         case LFUN_QUIT:
1087                 QuitLyX();
1088                 break;
1089
1090         case LFUN_TOCVIEW:
1091 #if 0
1092         case LFUN_LOFVIEW:
1093         case LFUN_LOTVIEW:
1094         case LFUN_LOAVIEW:
1095 #endif
1096         {
1097                 InsetCommandParams p;
1098
1099 #if 0
1100                 if (action == LFUN_TOCVIEW)
1101 #endif
1102                         p.setCmdName("tableofcontents");
1103 #if 0
1104                 else if (action == LFUN_LOAVIEW )
1105                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1106                 else if (action == LFUN_LOFVIEW)
1107                         p.setCmdName("listoffigures");
1108                 else
1109                         p.setCmdName("listoftables");
1110 #endif
1111                 owner->getDialogs()->createTOC(p.getAsString());
1112                 break;
1113         }
1114
1115         case LFUN_DIALOG_TABULAR_INSERT:
1116                 owner->getDialogs()->showTabularCreate();
1117                 break;
1118
1119         case LFUN_FIGURE:
1120                 Figure();
1121                 break;
1122
1123         case LFUN_AUTOSAVE:
1124                 AutoSave(owner->view());
1125                 break;
1126
1127         case LFUN_UNDO:
1128                 owner->view()->menuUndo();
1129                 break;
1130
1131         case LFUN_REDO:
1132                 owner->view()->menuRedo();
1133                 break;
1134
1135         case LFUN_MENUSEARCH:
1136                 owner->getDialogs()->showSearch();
1137                 break;
1138
1139         case LFUN_REMOVEERRORS:
1140                 if (owner->view()->removeAutoInsets()) {
1141                         owner->view()->redraw();
1142                         owner->view()->fitCursor();
1143                 }
1144                 break;
1145
1146         case LFUN_DEPTH:
1147                 changeDepth(owner->view(), TEXT(false), 0);
1148                 break;
1149
1150         case LFUN_DEPTH_MIN:
1151                 changeDepth(owner->view(), TEXT(false), -1);
1152                 break;
1153
1154         case LFUN_DEPTH_PLUS:
1155                 changeDepth(owner->view(), TEXT(false), 1);
1156                 break;
1157
1158         case LFUN_FREE:
1159                 owner->getDialogs()->setUserFreeFont();
1160                 break;
1161
1162         case LFUN_RECONFIGURE:
1163                 Reconfigure(owner->view());
1164                 break;
1165
1166 #if 0
1167         case LFUN_FLOATSOPERATE:
1168                 if (argument == "openfoot")
1169                         owner->view()->allFloats(1,0);
1170                 else if (argument == "closefoot")
1171                         owner->view()->allFloats(0,0);
1172                 else if (argument == "openfig")
1173                         owner->view()->allFloats(1,1);
1174                 else if (argument == "closefig")
1175                         owner->view()->allFloats(0,1);
1176                 break;
1177 #else
1178 #ifdef WITH_WARNINGS
1179 //#warning Find another implementation here (or another lyxfunc)!
1180 #endif
1181 #endif
1182         case LFUN_HELP_ABOUTLYX:
1183                 owner->getDialogs()->showAboutlyx();
1184                 break;
1185
1186         case LFUN_HELP_TEXINFO:
1187                 owner->getDialogs()->showTexinfo();
1188                 break;
1189
1190         case LFUN_HELP_OPEN:
1191         {
1192                 string const arg = argument;
1193                 if (arg.empty()) {
1194                         setErrorMessage(N_("Missing argument"));
1195                         break;
1196                 }
1197                 owner->prohibitInput();
1198                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1199                 if (fname.empty()) {
1200                         lyxerr << "LyX: unable to find documentation file `"
1201                                << arg << "'. Bad installation?" << endl;
1202                         owner->allowInput();
1203                         break;
1204                 }
1205                 ostringstream str;
1206                 str << _("Opening help file") << ' '
1207                     << MakeDisplayPath(fname) << "...";
1208                 owner->message(str.str().c_str());
1209                 owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
1210                 owner->allowInput();
1211                 break;
1212         }
1213
1214                 // --- version control -------------------------------
1215         case LFUN_VC_REGISTER:
1216         {
1217                 if (!owner->buffer()->lyxvc.inUse())
1218                         owner->buffer()->lyxvc.registrer();
1219         }
1220         break;
1221
1222         case LFUN_VC_CHECKIN:
1223         {
1224                 if (owner->buffer()->lyxvc.inUse()
1225                     && !owner->buffer()->isReadonly())
1226                         owner->buffer()->lyxvc.checkIn();
1227         }
1228         break;
1229
1230         case LFUN_VC_CHECKOUT:
1231         {
1232                 if (owner->buffer()->lyxvc.inUse()
1233                     && owner->buffer()->isReadonly())
1234                         owner->buffer()->lyxvc.checkOut();
1235         }
1236         break;
1237
1238         case LFUN_VC_REVERT:
1239         {
1240                 owner->buffer()->lyxvc.revert();
1241         }
1242         break;
1243
1244         case LFUN_VC_UNDO:
1245         {
1246                 owner->buffer()->lyxvc.undoLast();
1247         }
1248         break;
1249
1250         case LFUN_VC_HISTORY:
1251         {
1252                 owner->getDialogs()->showVCLogFile();
1253                 break;
1254         }
1255
1256         // --- buffers ----------------------------------------
1257
1258         case LFUN_SWITCHBUFFER:
1259                 owner->view()->buffer(bufferlist.getBuffer(argument));
1260                 break;
1261
1262         case LFUN_FILE_NEW:
1263         {
1264                 // servercmd: argument must be <file>:<template>
1265                 Buffer * tmpbuf = NewLyxFile(argument);
1266                 if (tmpbuf)
1267                         owner->view()->buffer(tmpbuf);
1268         }
1269         break;
1270
1271         case LFUN_FILE_OPEN:
1272                 open(argument);
1273                 break;
1274
1275         case LFUN_LATEX_LOG:
1276                 owner->getDialogs()->showLogFile();
1277                 break;
1278
1279         case LFUN_LAYOUT_DOCUMENT:
1280                 owner->getDialogs()->showDocument();
1281                 break;
1282
1283         case LFUN_LAYOUT_PARAGRAPH:
1284                 owner->getDialogs()->showParagraph();
1285                 break;
1286
1287         case LFUN_LAYOUT_CHARACTER:
1288                 owner->getDialogs()->showCharacter();
1289                 break;
1290
1291         case LFUN_LAYOUT_TABULAR:
1292             if (owner->view()->theLockingInset()) {
1293                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1294                     InsetTabular * inset = static_cast<InsetTabular *>
1295                         (owner->view()->theLockingInset());
1296                     inset->openLayoutDialog(owner->view());
1297                 } else if (owner->view()->theLockingInset()->
1298                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1299                     InsetTabular * inset = static_cast<InsetTabular *>(
1300                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1301                     inset->openLayoutDialog(owner->view());
1302                 }
1303             }
1304             break;
1305
1306         case LFUN_LAYOUT_PREAMBLE:
1307                 owner->getDialogs()->showPreamble();
1308                 break;
1309
1310         case LFUN_DROP_LAYOUTS_CHOICE:
1311                 owner->getToolbar()->openLayoutList();
1312                 break;
1313
1314         case LFUN_MENU_OPEN_BY_NAME:
1315                 owner->getMenubar()->openByName(argument);
1316                 break; // RVDK_PATCH_5
1317
1318         case LFUN_SPELLCHECK:
1319                 if (lyxrc.isp_command != "none")
1320                         owner->getDialogs()->showSpellchecker();
1321                 break;
1322
1323         // --- lyxserver commands ----------------------------
1324
1325
1326         case LFUN_GETNAME:
1327                 setMessage(owner->buffer()->fileName());
1328                 lyxerr[Debug::INFO] << "FNAME["
1329                                << owner->buffer()->fileName()
1330                                << "] " << endl;
1331                 break;
1332
1333         case LFUN_NOTIFY:
1334         {
1335                 dispatch_buffer = keyseq.print();
1336                 lyxserver->notifyClient(dispatch_buffer);
1337         }
1338         break;
1339
1340         case LFUN_GOTOFILEROW:
1341         {
1342                 string file_name;
1343                 int row;
1344                 istringstream istr(argument.c_str());
1345                 istr >> file_name >> row;
1346                 // Must replace extension of the file to be .lyx and get full path
1347                 string const s(ChangeExtension(file_name, ".lyx"));
1348
1349                 // Either change buffer or load the file
1350                 if (bufferlist.exists(s)) {
1351                         owner->view()->buffer(bufferlist.getBuffer(s));
1352                 } else {
1353                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1354                 }
1355
1356                 // Set the cursor
1357                 owner->view()->setCursorFromRow(row);
1358
1359                 // Recenter screen
1360                 owner->view()->center();
1361         }
1362         break;
1363
1364         case LFUN_GOTO_PARAGRAPH:
1365         {
1366                 istringstream istr(argument.c_str());
1367
1368                 int id;
1369                 istr >> id;
1370                 Paragraph * par = owner->buffer()->getParFromID(id);
1371                 if (par == 0) {
1372                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1373                                             << id << "]" << std::endl;
1374                         break;
1375                 } else {
1376                         lyxerr << "Paragraph " << par->id()
1377                                << " found." << endl;
1378                 }
1379
1380                 // Set the cursor
1381                 owner->view()->text->setCursor(owner->view(), par, 0);
1382                 owner->view()->setState();
1383                 owner->showState();
1384
1385                 // Recenter screen
1386                 owner->view()->center();
1387         }
1388         break;
1389
1390         case LFUN_APROPOS:
1391         case LFUN_GETTIP:
1392         {
1393                 int const qa = lyxaction.LookupFunc(argument);
1394                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1395         }
1396         break;
1397
1398         // --- toolbar ----------------------------------
1399         case LFUN_PUSH_TOOLBAR:
1400         {
1401                 int nth = strToInt(argument);
1402                 if (nth <= 0) {
1403                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1404                 } else {
1405                         owner->getToolbar()->push(nth);
1406                 }
1407         }
1408         break;
1409
1410         case LFUN_ADD_TO_TOOLBAR:
1411         {
1412                 if (lyxerr.debugging(Debug::GUI)) {
1413                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1414                                 "argument = `" << argument << '\'' << endl;
1415                 }
1416                 string tmp(argument);
1417                 //lyxerr <<string("Argument: ") + argument);
1418                 //lyxerr <<string("Tmp     : ") + tmp);
1419                 if (tmp.empty()) {
1420                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1421                 } else {
1422                         owner->getToolbar()->add(argument, false);
1423                         owner->getToolbar()->set();
1424                 }
1425         }
1426         break;
1427
1428         // --- insert characters ----------------------------------------
1429
1430         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1431         case LFUN_MATH_EXTERN:
1432         case LFUN_MATH_NUMBER:
1433         case LFUN_MATH_NONUMBER:
1434         case LFUN_MATH_LIMITS:
1435         {
1436                 setErrorMessage(N_("This is only allowed in math mode!"));
1437         }
1438         break;
1439
1440         // passthrough hat and underscore outside mathed:
1441         case LFUN_SUBSCRIPT:
1442                 dispatch(LFUN_SELFINSERT, "_");
1443                 break;
1444         case LFUN_SUPERSCRIPT:
1445                 dispatch(LFUN_SELFINSERT, "^");
1446                 break;
1447
1448         case LFUN_MATH_PANEL:
1449                 owner->getDialogs()->showMathPanel();
1450                 break;
1451
1452         case LFUN_CITATION_CREATE:
1453         {
1454                 InsetCommandParams p( "cite" );
1455
1456                 if (!argument.empty()) {
1457                         // This should be set at source, ie when typing
1458                         // "citation-insert foo" in the minibuffer.
1459                         // Question: would pybibliographer also need to be
1460                         // changed. Suspect so. Leave as-is therefore.
1461                         if (contains(argument, "|")) {
1462                                 p.setContents( token(argument, '|', 0) );
1463                                 p.setOptions(  token(argument, '|', 1) );
1464                         } else {
1465                                 p.setContents( argument );
1466                         }
1467                         dispatch(LFUN_CITATION_INSERT, p.getAsString());
1468                 } else
1469                         owner->getDialogs()->createCitation( p.getAsString() );
1470         }
1471         break;
1472
1473         case LFUN_CHILDOPEN:
1474         {
1475                 string const filename =
1476                         MakeAbsPath(argument,
1477                                     OnlyPath(owner->buffer()->fileName()));
1478                 setMessage(N_("Opening child document ") +
1479                            MakeDisplayPath(filename) + "...");
1480                 owner->view()->savePosition(0);
1481                 if (bufferlist.exists(filename))
1482                         owner->view()->buffer(bufferlist.getBuffer(filename));
1483                 else
1484                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1485         }
1486         break;
1487
1488         case LFUN_TOGGLECURSORFOLLOW:
1489                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1490                 break;
1491
1492         case LFUN_KMAP_OFF:             // keymap off
1493                 owner->getIntl()->KeyMapOn(false);
1494                 break;
1495
1496         case LFUN_KMAP_PRIM:    // primary keymap
1497                 owner->getIntl()->KeyMapPrim();
1498                 break;
1499
1500         case LFUN_KMAP_SEC:             // secondary keymap
1501                 owner->getIntl()->KeyMapSec();
1502                 break;
1503
1504         case LFUN_KMAP_TOGGLE:  // toggle keymap
1505                 owner->getIntl()->ToggleKeyMap();
1506                 break;
1507
1508         case LFUN_SEQUENCE:
1509         {
1510                 // argument contains ';'-terminated commands
1511                 while (argument.find(';') != string::npos) {
1512                         string first;
1513                         argument = split(argument, first, ';');
1514                         dispatch(first);
1515                 }
1516         }
1517         break;
1518
1519         case LFUN_DIALOG_PREFERENCES:
1520                 owner->getDialogs()->showPreferences();
1521                 break;
1522
1523         case LFUN_SAVEPREFERENCES:
1524         {
1525                 Path p(user_lyxdir);
1526                 lyxrc.write("preferences");
1527         }
1528         break;
1529
1530         case LFUN_SCREEN_FONT_UPDATE:
1531         {
1532                 // handle the screen font changes.
1533                 //
1534                 lyxrc.set_font_norm_type();
1535                 fontloader.update();
1536                 // Of course we should only do the resize and the textcache.clear
1537                 // if values really changed...but not very important right now. (Lgb)
1538                 // All visible buffers will need resize
1539                 owner->resize();
1540                 // We also need to empty the textcache so that
1541                 // the buffer will be formatted correctly after
1542                 // a zoom change.
1543                 textcache.clear();
1544         }
1545         break;
1546
1547         case LFUN_SET_COLOR:
1548         {
1549                 string lyx_name;
1550                 string const x11_name = split(argument, lyx_name, ' ');
1551                 if (lyx_name.empty() || x11_name.empty()) {
1552                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1553                                                 " <x11_name>"));
1554                         break;
1555                         }
1556
1557                 if (!lcolor.setColor(lyx_name, x11_name)) {
1558                         static string const err1 (N_("Set-color \""));
1559                         static string const err2 (
1560                                 N_("\" failed - color is undefined "
1561                                    "or may not be redefined"));
1562                         setErrorMessage(_(err1) + lyx_name + _(err2));
1563                         break;
1564                 }
1565                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1566                 owner->view()->redraw();
1567                 break;
1568         }
1569
1570         case LFUN_MESSAGE:
1571                 owner->message(argument);
1572                 break;
1573
1574         case LFUN_MESSAGE_PUSH:
1575                 owner->messagePush(argument);
1576                 break;
1577
1578         case LFUN_MESSAGE_POP:
1579                 owner->messagePop();
1580                 break;
1581
1582         default:
1583                 // Then if it was none of the above
1584                 if (!owner->view()->Dispatch(action, argument))
1585                         lyxerr << "A truly unknown func ["
1586                                << lyxaction.getActionName(action) << "]!"
1587                                << endl;
1588                 break;
1589         } // end of switch
1590
1591 exit_with_message:
1592
1593         commandshortcut.erase();
1594
1595         if (lyxrc.display_shortcuts && show_sc) {
1596                 if (action != LFUN_SELFINSERT) {
1597                         // Put name of command and list of shortcuts
1598                         // for it in minibuffer
1599                         string comname = lyxaction.getActionName(action);
1600
1601                         kb_action pseudoaction = action;
1602                         bool argsadded = false;
1603
1604                         if (!argument.empty()) {
1605                                 // If we have the command with argument,
1606                                 // this is better
1607                                 pseudoaction =
1608                                         lyxaction.searchActionArg(action,
1609                                                                   argument);
1610
1611                                 if (pseudoaction == -1) {
1612                                         pseudoaction = action;
1613                                 } else {
1614                                         comname += " " + argument;
1615                                         argsadded = true;
1616                                 }
1617                         }
1618
1619                         string const shortcuts =
1620                                 toplevel_keymap->findbinding(pseudoaction);
1621
1622                         if (!shortcuts.empty()) {
1623                                 comname += ": " + shortcuts;
1624                         } else if (!argsadded && !argument.empty()) {
1625                                 comname += " " + argument;
1626                         }
1627
1628                         if (!comname.empty()) {
1629                                 comname = strip(comname);
1630                                 commandshortcut = "(" + comname + ')';
1631
1632                                 // Here we could even add a small pause,
1633                                 // to annoy the user and make him learn
1634                                 // the shortcuts.
1635                                 // No! That will just annoy, not teach
1636                                 // anything. The user will read the messages
1637                                 // if they are interested. (Asger)
1638                         }
1639                 }
1640         }
1641
1642         string const res = getMessage();
1643
1644         if (res.empty()) {
1645                 if (!commandshortcut.empty()) {
1646                         owner->getMiniBuffer()->addSet(commandshortcut);
1647                 }
1648         } else {
1649                 string const msg(_(res) + ' ' + commandshortcut);
1650                 owner->message(msg);
1651         }
1652
1653         return res;
1654 }
1655
1656
1657 void LyXFunc::setupLocalKeymap()
1658 {
1659         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1660         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1661 }
1662
1663
1664 void LyXFunc::menuNew(bool fromTemplate)
1665 {
1666         string initpath = lyxrc.document_path;
1667
1668         if (owner->view()->available()) {
1669                 string const trypath = owner->buffer()->filepath;
1670                 // If directory is writeable, use this as default.
1671                 if (IsDirWriteable(trypath))
1672                         initpath = trypath;
1673         }
1674
1675         static int newfile_number;
1676         string s;
1677
1678         if (lyxrc.new_ask_filename) {
1679                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1680                                    LFUN_SELECT_FILE_SYNC,
1681                         make_pair(string(_("Documents")),
1682                                   string(lyxrc.document_path)),
1683                         make_pair(string(_("Templates")),
1684                                   string(lyxrc.template_path)));
1685
1686                 FileDialog::Result result =
1687                         fileDlg.Select(initpath,
1688                                        _("*.lyx|LyX Documents (*.lyx)"),
1689                                        _("newfile"));
1690
1691                 if (result.second.empty()) {
1692                         owner->message(_("Canceled."));
1693                         lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
1694                         return;
1695                 }
1696
1697                 // get absolute path of file and make sure the filename ends
1698                 // with .lyx
1699                 s = MakeAbsPath(result.second);
1700                 if (!IsLyXFilename(s))
1701                         s += ".lyx";
1702
1703                 // Check if the document already is open
1704                 if (bufferlist.exists(s)) {
1705                         switch (Alert::askConfirmation(_("Document is already open:"),
1706                                                 MakeDisplayPath(s, 50),
1707                                                 _("Do you want to close that document now?\n"
1708                                                   "('No' will just switch to the open version)")))
1709                         {
1710                         case 1: // Yes: close the document
1711                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1712                                 // If close is canceled, we cancel here too.
1713                                         return;
1714                                 break;
1715                         case 2: // No: switch to the open document
1716                                 owner->view()->buffer(bufferlist.getBuffer(s));
1717                                 return;
1718                         case 3: // Cancel: Do nothing
1719                                 owner->message(_("Canceled."));
1720                                 return;
1721                         }
1722                 }
1723                 // Check whether the file already exists
1724                 FileInfo fi(s);
1725                 if (fi.readable() &&
1726                     Alert::askQuestion(_("File already exists:"),
1727                                 MakeDisplayPath(s, 50),
1728                                 _("Do you want to open the document?"))) {
1729                                 // loads document
1730                         string const disp_fn(MakeDisplayPath(s));
1731
1732                         ostringstream str;
1733                         str << _("Opening  document") << ' '
1734                             << disp_fn << "...";
1735
1736                         owner->message(str.str().c_str());
1737                         //XFlush(fl_get_display());
1738                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1739                         ostringstream str2;
1740                         str2 << _("Document") << ' '
1741                              << disp_fn << ' ' << _("opened.");
1742
1743                         owner->message(str2.str().c_str());
1744
1745                         return;
1746                 }
1747         } else {
1748                 s = AddName(lyxrc.document_path,
1749                             "newfile" + tostr(++newfile_number) + ".lyx");
1750                 FileInfo fi(s);
1751                 while (bufferlist.exists(s) || fi.readable()) {
1752                         ++newfile_number;
1753                         s = AddName(lyxrc.document_path,
1754                                     "newfile" + tostr(newfile_number) +
1755                                     ".lyx");
1756                         fi.newFile(s);
1757                 }
1758         }
1759
1760         // The template stuff
1761         string templname;
1762         if (fromTemplate) {
1763                 FileDialog fileDlg(owner, _("Select template file"),
1764                         LFUN_SELECT_FILE_SYNC,
1765                         make_pair(string(_("Documents")),
1766                                   string(lyxrc.document_path)),
1767                         make_pair(string(_("Templates")),
1768                                   string(lyxrc.template_path)));
1769
1770                 FileDialog::Result result =
1771                         fileDlg.Select(lyxrc.template_path,
1772                                        _("*.lyx|LyX Documents (*.lyx)"));
1773
1774                 if (result.first == FileDialog::Later)
1775                         return;
1776
1777                 string const fname = result.second;
1778
1779                 if (fname.empty())
1780                         return;
1781                 templname = fname;
1782         }
1783
1784         // find a free buffer
1785         lyxerr[Debug::INFO] << "Find a free buffer." << endl;
1786         owner->view()->buffer(bufferlist.newFile(s, templname));
1787 }
1788
1789
1790 void LyXFunc::open(string const & fname)
1791 {
1792         string initpath = lyxrc.document_path;
1793
1794         if (owner->view()->available()) {
1795                 string const trypath = owner->buffer()->filepath;
1796                 // If directory is writeable, use this as default.
1797                 if (IsDirWriteable(trypath))
1798                         initpath = trypath;
1799         }
1800
1801         string filename;
1802
1803         if (fname.empty()) {
1804                 FileDialog fileDlg(owner, _("Select document to open"),
1805                         LFUN_FILE_OPEN,
1806                         make_pair(string(_("Documents")),
1807                                   string(lyxrc.document_path)),
1808                         make_pair(string(_("Examples")),
1809                                   string(AddPath(system_lyxdir, "examples"))));
1810
1811                 FileDialog::Result result =
1812                         fileDlg.Select(initpath,
1813                                        "*.lyx|LyX Documents (*.lyx)");
1814
1815                 if (result.first == FileDialog::Later)
1816                         return;
1817
1818                 filename = result.second;
1819
1820                 // check selected filename
1821                 if (filename.empty()) {
1822                         owner->message(_("Canceled."));
1823                         return;
1824                 }
1825         } else
1826                 filename = fname;
1827
1828         // get absolute path of file and add ".lyx" to the filename if
1829         // necessary
1830         string const fullpath = FileSearch(string(), filename, "lyx");
1831         if (fullpath.empty()) {
1832                 Alert::alert(_("Error"), _("Could not find file"), filename);
1833                 return;
1834         }
1835
1836         filename = fullpath;
1837
1838         // loads document
1839         string const disp_fn(MakeDisplayPath(filename));
1840
1841         ostringstream str;
1842         str << _("Opening document") << ' ' << disp_fn << "...";
1843
1844         owner->message(str.str().c_str());
1845
1846         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1847         if (openbuf) {
1848                 owner->view()->buffer(openbuf);
1849                 ostringstream str;
1850                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1851                 owner->message(str.str().c_str());
1852         } else {
1853                 ostringstream str;
1854                 str << _("Could not open document") << ' ' << disp_fn;
1855                 owner->message(str.str().c_str());
1856         }
1857 }
1858
1859
1860 // checks for running without gui are missing.
1861 void LyXFunc::doImport(string const & argument)
1862 {
1863         string format;
1864         string filename = split(argument, format, ' ');
1865         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1866                             << " file: " << filename << endl;
1867
1868         if (filename.empty()) { // need user interaction
1869                 string initpath = lyxrc.document_path;
1870
1871                 if (owner->view()->available()) {
1872                         string const trypath = owner->buffer()->filepath;
1873                         // If directory is writeable, use this as default.
1874                         if (IsDirWriteable(trypath))
1875                                 initpath = trypath;
1876                 }
1877
1878                 string const text = _("Select ") + formats.prettyName(format)
1879                         + _(" file to import");
1880
1881                 FileDialog fileDlg(owner, text,
1882                         LFUN_IMPORT,
1883                         make_pair(string(_("Documents")),
1884                                   string(lyxrc.document_path)),
1885                         make_pair(string(_("Examples")),
1886                                   string(AddPath(system_lyxdir, "examples"))));
1887
1888                 string const extension = "*." + formats.extension(format)
1889                         + "| " + formats.prettyName(format)
1890                         + " (*." + formats.extension(format) + ")";
1891
1892                 FileDialog::Result result = fileDlg.Select(initpath,
1893                                                            extension);
1894
1895                 if (result.first == FileDialog::Later)
1896                         return;
1897
1898                 filename = result.second;
1899
1900                 // check selected filename
1901                 if (filename.empty())
1902                         owner->message(_("Canceled."));
1903         }
1904
1905         // still no filename? abort
1906         if (filename.empty())
1907                 return;
1908
1909         // get absolute path of file
1910         filename = MakeAbsPath(filename);
1911
1912         string const lyxfile = ChangeExtension(filename, ".lyx");
1913
1914         // Check if the document already is open
1915         if (bufferlist.exists(lyxfile)) {
1916                 switch (Alert::askConfirmation(_("Document is already open:"),
1917                                         MakeDisplayPath(lyxfile, 50),
1918                                         _("Do you want to close that document now?\n"
1919                                           "('No' will just switch to the open version)")))
1920                         {
1921                         case 1: // Yes: close the document
1922                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1923                                 // If close is canceled, we cancel here too.
1924                                         return;
1925                                 break;
1926                         case 2: // No: switch to the open document
1927                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1928                                 return;
1929                         case 3: // Cancel: Do nothing
1930                                 owner->message(_("Canceled."));
1931                                 return;
1932                         }
1933         }
1934
1935         // Check if a LyX document by the same root exists in filesystem
1936         FileInfo const f(lyxfile, true);
1937         if (f.exist() && !Alert::askQuestion(_("A document by the name"),
1938                                       MakeDisplayPath(lyxfile),
1939                                       _("already exists. Overwrite?"))) {
1940                 owner->message(_("Canceled"));
1941                 return;
1942         }
1943         // filename should be valid now
1944
1945         Importer::Import(owner, filename, format);
1946 }
1947
1948
1949 void LyXFunc::reloadBuffer()
1950 {
1951         string const fn = owner->buffer()->fileName();
1952         if (bufferlist.close(owner->buffer()))
1953                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1954 }
1955
1956
1957 void LyXFunc::closeBuffer()
1958 {
1959         if (bufferlist.close(owner->buffer()) && !quitting) {
1960                 if (bufferlist.empty()) {
1961                         // need this otherwise SEGV may occur while trying to
1962                         // set variables that don't exist
1963                         // since there's no current buffer
1964                         owner->getDialogs()->hideBufferDependent();
1965                 } else {
1966                         owner->view()->buffer(bufferlist.first());
1967                 }
1968         }
1969 }
1970
1971
1972 // Each "owner" should have it's own message method. lyxview and
1973 // the minibuffer would use the minibuffer, but lyxserver would
1974 // send an ERROR signal to its client.  Alejandro 970603
1975 // This func is bit problematic when it comes to NLS, to make the
1976 // lyx servers client be language indepenent we must not translate
1977 // strings sent to this func.
1978 void LyXFunc::setErrorMessage(string const & m) const
1979 {
1980         dispatch_buffer = m;
1981         errorstat = true;
1982 }
1983
1984
1985 void LyXFunc::setMessage(string const & m)
1986 {
1987         dispatch_buffer = m;
1988 }
1989
1990
1991 void LyXFunc::initMiniBuffer()
1992 {
1993         string text = _("Welcome to LyX!");
1994
1995         // When meta-fake key is pressed, show the key sequence so far + "M-".
1996         if (wasMetaKey()) {
1997                 text = keyseq.print();
1998                 text += "M-";
1999         }
2000
2001         // Else, when a non-complete key sequence is pressed,
2002         // show the available options.
2003         if (keyseq.length() > 0 && !keyseq.deleted()) {
2004                 text = keyseq.printOptions();
2005         }
2006
2007         // Else, show the buffer state.
2008         else if (owner->view()->available()) {
2009                 Buffer * tmpbuf = owner->buffer();
2010
2011                 string const nicename =
2012                         MakeDisplayPath(tmpbuf->fileName());
2013                 // Should we do this instead? (kindo like emacs)
2014                 // leaves more room for other information
2015                 text = "LyX: ";
2016                 text += nicename;
2017                 if (tmpbuf->lyxvc.inUse()) {
2018                         text += " [";
2019                         text += tmpbuf->lyxvc.versionString();
2020                         text += ' ';
2021                         text += tmpbuf->lyxvc.locker();
2022                         if (tmpbuf->isReadonly())
2023                                 text += " (RO)";
2024                         text += ']';
2025                 } else if (tmpbuf->isReadonly())
2026                         text += " [RO]";
2027                 if (!tmpbuf->isLyxClean())
2028                         text += _(" (Changed)");
2029         } else {
2030                 if (text != _("Welcome to LyX!")) // this is a hack
2031                         text = _("* No document open *");
2032         }
2033
2034         owner->message(text);
2035 }
2036