src/lyxfunc.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "Lsstream.h"
  14
  15 #include <time.h>
  16 #include <locale.h>
  17 #include <utility>
  18 #include <algorithm>
  19
  20 #include <cstdlib>
  21 #include <cctype>
  22 #include <cstring>
  23
  24 #ifdef __GNUG__
  25 #pragma implementation
  26 #endif
  27
  28 #include "version.h"
  29 #include "kbmap.h"
  30 #include "lyxfunc.h"
  31 #include "bufferlist.h"
  32 #include "ColorHandler.h"
  33 #include "lyxserver.h"
  34 #include "figure_form.h"
  35 #include "intl.h"
  36 #include "lyx_main.h"
  37 #include "lyx_cb.h"
  38 #include "LyXAction.h"
  39 #include "insets/inseturl.h"
  40 #include "insets/insetlatexaccent.h"
  41 #include "insets/insettoc.h"
  42 #include "insets/insetref.h"
  43 #include "insets/insetparent.h"
  44 #include "insets/insetindex.h"
  45 #include "insets/insetinclude.h"
  46 #include "insets/insetbib.h"
  47 #include "insets/insetcite.h"
  48 #include "insets/insettext.h"
  49 #include "insets/insetert.h"
  50 #include "insets/insetexternal.h"
  51 #include "insets/insetgraphics.h"
  52 #include "insets/insetfoot.h"
  53 #include "insets/insetmarginal.h"
  54 #include "insets/insetminipage.h"
  55 #include "insets/insetfloat.h"
  56 #include "insets/insetlist.h"
  57 #include "insets/insettabular.h"
  58 #include "insets/insettheorem.h"
  59 #include "insets/insetcaption.h"
  60 #include "mathed/formulamacro.h"
  61 #include "spellchecker.h" // RVDK_PATCH_5
  62 #include "minibuffer.h"
  63 #include "vspace.h"
  64 #include "LyXView.h"
  65 #include "lyx_gui_misc.h"
  66 #include "support/filetools.h"
  67 #include "support/FileInfo.h"
  68 #include "support/syscall.h"
  69 #include "support/lstrings.h"
  70 #include "support/path.h"
  71 #include "support/lyxfunctional.h"
  72 #include "debug.h"
  73 #include "lyxrc.h"
  74 #include "lyxtext.h"
  75 #include "gettext.h"
  76 #include "trans_mgr.h"
  77 #include "layout.h"
  78 #include "WorkArea.h"
  79 #include "bufferview_funcs.h"
  80 #include "frontends/FileDialog.h"
  81 #include "frontends/Dialogs.h"
  82 #include "frontends/Toolbar.h"
  83 #include "frontends/Menubar.h"
  84 #include "FloatList.h"
  85 #include "converter.h"
  86 #include "exporter.h"
  87 #include "importer.h"
  88 #include "FontLoader.h"
  89 #include "TextCache.h"
  90 #include "lyxfind.h"
  91
  92 using std::pair;
  93 using std::make_pair;
  94 using std::endl;
  95 using std::find_if;
  96
  97 extern BufferList bufferlist;
  98 extern LyXServer * lyxserver;
  99 extern int greek_kb_flag;
 100 extern bool selection_possible;
 101 extern void MenuSendto();
 102
 103 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 104
 105 extern void show_symbols_form(LyXFunc *);
 106
 107 extern LyXAction lyxaction;
 108 // (alkis)
 109 extern tex_accent_struct get_accent(kb_action action);
 110
 111 extern LyXTextClass::size_type current_layout;
 112
 113 extern void ShowLatexLog();
 114
 115 /* === globals =========================================================== */
 116
 117 bool LyXFunc::show_sc = true;
 118
 119 LyXFunc::LyXFunc(LyXView * o)
 120         : owner(o)
 121 {
 122         meta_fake_bit = 0;
 123         lyx_dead_action = LFUN_NOACTION;
 124         lyx_calling_dead_action = LFUN_NOACTION;
 125         setupLocalKeymap();
 126 }
 127
 128 inline
 129 LyXText * LyXFunc::TEXT(bool flag=true) const
 130 {
 131         if (flag)
 132                 return owner->view()->text;
 133         return owner->view()->getLyXText();
 134 }
 135
 136 // I changed this func slightly. I commented out the ...FinishUndo(),
 137 // this means that all places that used to have a moveCursorUpdate, now
 138 // have a ...FinishUndo() as the preceeding statement. I have also added
 139 // a moveCursorUpdate to some of the functions that updated the cursor, but
 140 // that did not show its new position.
 141 inline
 142 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 143 {
 144         if (selecting || TEXT(flag)->mark_set) {
 145                 TEXT(flag)->SetSelection(owner->view());
 146                 if (TEXT(flag)->bv_owner)
 147                     owner->view()->toggleToggle();
 148         }
 149         owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 150         owner->view()->showCursor();
 151
 152         /* ---> Everytime the cursor is moved, show the current font state. */
 153         // should this too me moved out of this func?
 154         //owner->showState();
 155         owner->view()->setState();
 156 }
 157
 158
 159 void LyXFunc::handleKeyFunc(kb_action action)
 160 {
 161         char c = 0;
 162
 163         if (keyseq.length == -1 && keyseq.getiso() != 0)
 164                 c = keyseq.getiso();
 165         owner->getIntl()->getTrans()
 166                 .deadkey(c, get_accent(action).accent, TEXT(false));
 167         // Need to reset, in case the minibuffer calls these
 168         // actions
 169         keyseq.reset();
 170         keyseq.length = 0;
 171         // copied verbatim from do_accent_char
 172         owner->view()->update(TEXT(false),
 173                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 174         TEXT(false)->sel_cursor = TEXT(false)->cursor;
 175 }
 176
 177
 178 int LyXFunc::processKeySym(KeySym keysym, unsigned int state)
 179 {
 180         string argument;
 181
 182         if (lyxerr.debugging(Debug::KEY)) {
 183                 char * tmp = XKeysymToString(keysym);
 184                 string const stm = (tmp ? tmp : "");
 185                 lyxerr << "KeySym is "
 186                        << stm
 187                        << "["
 188                        << keysym << "] State is ["
 189                        << state << "]"
 190                        << endl;
 191         }
 192         // Do nothing if we have nothing (JMarc)
 193         if (keysym == NoSymbol) {
 194                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 195                                    << endl;
 196                 //return 0;
 197                 return FL_PREEMPT;
 198         }
 199
 200         if (owner->view()->available()) {
 201                 // this function should be used always [asierra060396]
 202                 UpdatableInset * tli = owner->view()->theLockingInset();
 203                 if (tli && (keysym == XK_Escape)) {
 204                         if (tli == tli->GetLockingInset()) {
 205                                 owner->view()->unlockInset(tli);
 206                                 TEXT()->CursorRight(owner->view());
 207                                 moveCursorUpdate(true, false);
 208                                 owner->showState();
 209                         } else {
 210                                 tli->UnlockInsetInInset(owner->view(),
 211                                                         tli->GetLockingInset(),true);
 212                         }
 213                         //return 0;
 214                         return FL_PREEMPT;
 215                 }
 216         }
 217
 218         // Can we be sure that this will work for all X-Windows
 219         // implementations? (Lgb)
 220         // This code snippet makes lyx ignore some keys. Perhaps
 221         // all of them should be explictly mentioned?
 222         if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
 223            || keysym == XK_Mode_switch || keysym == 0x0)
 224                 return 0;
 225
 226         // Do a one-deep top-level lookup for
 227         // cancel and meta-fake keys. RVDK_PATCH_5
 228         cancel_meta_seq.reset();
 229
 230         int action = cancel_meta_seq.addkey(keysym, state
 231                                             &(ShiftMask|ControlMask
 232                                               |Mod1Mask));
 233         if (lyxerr.debugging(Debug::KEY)) {
 234                 lyxerr << "action first set to [" << action << "]" << endl;
 235         }
 236
 237         // When not cancel or meta-fake, do the normal lookup.
 238         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 239         // Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
 240         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 241                 if (lyxerr.debugging(Debug::KEY)) {
 242                         lyxerr << "meta_fake_bit is [" << meta_fake_bit << "]" << endl;
 243                 }
 244                 // remove Caps Lock and Mod2 as a modifiers
 245                 action = keyseq.addkey(keysym,
 246                                        (state | meta_fake_bit)
 247                                        &(ShiftMask|ControlMask
 248                                          |Mod1Mask));
 249                 if (lyxerr.debugging(Debug::KEY)) {
 250                         lyxerr << "action now set to [" << action << "]" << endl;
 251                 }
 252         }
 253         // Dont remove this unless you know what you are doing.
 254         meta_fake_bit = 0;
 255
 256         if (action == 0) action = LFUN_PREFIX;
 257
 258         if (lyxerr.debugging(Debug::KEY)) {
 259                 string buf;
 260                 keyseq.print(buf);
 261                 lyxerr << "Key ["
 262                        << action << "]["
 263                        << buf << "]"
 264                        << endl;
 265         }
 266
 267         // already here we know if it any point in going further
 268         // why not return already here if action == -1 and
 269         // num_bytes == 0? (Lgb)
 270
 271         if (keyseq.length > 1 || keyseq.length < -1) {
 272                 string buf;
 273                 keyseq.print(buf);
 274                 owner->getMiniBuffer()->Set(buf);
 275         }
 276
 277         if (action == -1) {
 278                 if (keyseq.length < -1) { // unknown key sequence...
 279                         string buf;
 280                         keyseq.print(buf);
 281                         owner->getMiniBuffer()->Set(_("Unknown sequence:"), buf);
 282                         return 0;
 283                 }
 284
 285                 char const isochar = keyseq.getiso();
 286                 if (!(state & ControlMask) &&
 287                     !(state & Mod1Mask) &&
 288                     (isochar && keysym < 0xF000)) {
 289                         argument += isochar;
 290                 }
 291                 if (argument.empty()) {
 292                         lyxerr.debug() << "Empty argument!" << endl;
 293                         // This can`t possibly be of any use
 294                         // so we`ll skip the dispatch.
 295                         return 0;
 296                 }
 297         } else if (action == LFUN_SELFINSERT) {
 298                 // We must set the argument to the char looked up by
 299                 // XKeysymToString
 300                 XKeyEvent xke;
 301                 xke.type = KeyPress;
 302                 xke.serial = 0;
 303                 xke.send_event = False;
 304                 xke.display = fl_get_display();
 305                 xke.window = 0;
 306                 xke.root = 0;
 307                 xke.subwindow = 0;
 308                 xke.time = 0;
 309                 xke.x = 0;
 310                 xke.y = 0;
 311                 xke.x_root = 0;
 312                 xke.y_root = 0;
 313                 xke.state = state;
 314                 xke.keycode = XKeysymToKeycode(fl_get_display(), keysym);
 315                 xke.same_screen = True;
 316                 char ret[10];
 317                 KeySym tmpkeysym;
 318                 int res = XLookupString(&xke, ret, 10, &tmpkeysym, 0);
 319                 //Assert(keysym == tmpkeysym);
 320                 lyxerr[Debug::KEY] << "TmpKeysym ["
 321                                    << tmpkeysym << "]" << endl;
 322
 323                 if (res > 0)
 324                         argument = string(ret, res);
 325                 lyxerr[Debug::KEY] << "SelfInsert arg["
 326                                    << argument << "]" << endl;
 327         }
 328
 329
 330         bool tmp_sc = show_sc;
 331         show_sc = false;
 332         Dispatch(action, argument);
 333         show_sc = tmp_sc;
 334
 335         return 0;
 336 }
 337
 338 LyXFunc::func_status LyXFunc::getStatus(int ac) const
 339 {
 340         return getStatus(ac, string());
 341 }
 342
 343 LyXFunc::func_status LyXFunc::getStatus(int ac, string const & not_to_use_arg) const
 344 {
 345         kb_action action;
 346         func_status flag = LyXFunc::OK;
 347         string argument;
 348         Buffer * buf = owner->buffer();
 349
 350         if (lyxaction.isPseudoAction(ac))
 351                 action = lyxaction.retrieveActionArg(ac, argument);
 352         else {
 353                 action = static_cast<kb_action>(ac);
 354                 if (!not_to_use_arg.empty())
 355                         argument = not_to_use_arg; // exept here
 356         }
 357
 358         if (action == LFUN_UNKNOWN_ACTION) {
 359                 setErrorMessage(N_("Unknown action"));
 360                 return LyXFunc::Unknown;
 361         }
 362
 363         // Check whether we need a buffer
 364         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 365                 // Yes we need a buffer, do we have one?
 366                 if (buf) {
 367                         // yes
 368                         // Can we use a readonly buffer?
 369                         if (buf->isReadonly() &&
 370                             !lyxaction.funcHasFlag(action,
 371                                                    LyXAction::ReadOnly)) {
 372                                 // no
 373                                 setErrorMessage(N_("Document is read-only"));
 374                                 flag |= LyXFunc::Disabled;
 375                         }
 376                 } else {
 377                         // no
 378                         setErrorMessage(N_("Command not allowed with"
 379                                            "out any document open"));
 380                         flag |= LyXFunc::Disabled;
 381                         return flag;
 382                 }
 383         }
 384
 385         // I would really like to avoid having this switch and rather try to
 386         // encode this in the function itself.
 387         bool disable = false;
 388         switch (action) {
 389         case LFUN_MENUPRINT:
 390                 disable = !Exporter::IsExportable(buf, "dvi")
 391                         || lyxrc.print_command == "none";
 392                 break;
 393         case LFUN_EXPORT:
 394                 disable = argument == "fax" &&
 395                         !Exporter::IsExportable(buf, argument);
 396                 break;
 397         case LFUN_UNDO:
 398                 disable = buf->undostack.empty();
 399                 break;
 400         case LFUN_REDO:
 401                 disable = buf->redostack.empty();
 402                 break;
 403         case LFUN_SPELLCHECK:
 404                 disable = lyxrc.isp_command == "none";
 405                 break;
 406         case LFUN_RUNCHKTEX:
 407                 disable = lyxrc.chktex_command == "none";
 408                 break;
 409         case LFUN_BUILDPROG:
 410                 disable = !Exporter::IsExportable(buf, "program");
 411                 break;
 412
 413         case LFUN_INSERTFOOTNOTE:
 414         case LFUN_FOOTMELT:
 415         case LFUN_MARGINMELT:
 416                 // Disable insertion of floats in a tabular.
 417                 disable = false;
 418                 if (owner->view()->theLockingInset()) {
 419                         disable = (owner->view()->theLockingInset()->LyxCode() == Inset::TABULAR_CODE) ||
 420                                 owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE);
 421                 }
 422                 break;
 423
 424         case LFUN_LAYOUT_TABULAR:
 425                 disable = true;
 426                 if (owner->view()->theLockingInset()) {
 427                         disable = (owner->view()->theLockingInset()->LyxCode() != Inset::TABULAR_CODE) &&
 428                                 !owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE);
 429                 }
 430                 break;
 431
 432         case LFUN_TABULAR_FEATURE:
 433                 disable = true;
 434                 if (owner->view()->theLockingInset()) {
 435                         func_status ret = LyXFunc::Disabled;
 436                         if (owner->view()->theLockingInset()->LyxCode() == Inset::TABULAR_CODE) {
 437                                 ret = static_cast<InsetTabular *>
 438                                         (owner->view()->theLockingInset())->
 439                                         getStatus(argument);
 440                         } else if (owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 441                                 ret = static_cast<InsetTabular *>
 442                                         (owner->view()->theLockingInset()->
 443                                         GetFirstLockingInsetOfType(Inset::TABULAR_CODE))->
 444                                         getStatus(argument);
 445                         }
 446                         flag |= ret;
 447                         disable = false;
 448                 } else {
 449                     static InsetTabular inset(*owner->buffer(), 1, 1);
 450                     func_status ret;
 451
 452                     disable = true;
 453                     ret = inset.getStatus(argument);
 454                     if ((ret & LyXFunc::ToggleOn) ||
 455                         (ret & LyXFunc::ToggleOff))
 456                         flag |= LyXFunc::ToggleOff;
 457                 }
 458                 break;
 459
 460         case LFUN_VC_REGISTER:
 461                 disable = buf->lyxvc.inUse();
 462                 break;
 463         case LFUN_VC_CHECKIN:
 464                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 465                 break;
 466         case LFUN_VC_CHECKOUT:
 467                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 468                 break;
 469         case LFUN_VC_REVERT:
 470         case LFUN_VC_UNDO:
 471         case LFUN_VC_HISTORY:
 472                 disable = !buf->lyxvc.inUse();
 473                 break;
 474         case LFUN_BOOKMARK_GOTO:
 475                 disable =  !owner->view()->
 476                         isSavedPosition(strToUnsignedInt(argument));
 477         default:
 478                 break;
 479         }
 480         if (disable)
 481                 flag |= LyXFunc::Disabled;
 482
 483         if (buf) {
 484                 func_status box = LyXFunc::ToggleOff;
 485                 LyXFont const & font =
 486                         TEXT(false)->real_current_font;
 487                 switch (action) {
 488                 case LFUN_EMPH:
 489                         if (font.emph() == LyXFont::ON)
 490                                 box = LyXFunc::ToggleOn;
 491                         break;
 492                 case LFUN_NOUN:
 493                         if (font.noun() == LyXFont::ON)
 494                                 box = LyXFunc::ToggleOn;
 495                         break;
 496                 case LFUN_BOLD:
 497                         if (font.series() == LyXFont::BOLD_SERIES)
 498                                 box = LyXFunc::ToggleOn;
 499                         break;
 500                 case LFUN_TEX:
 501                         if (font.latex() == LyXFont::ON)
 502                                 box = LyXFunc::ToggleOn;
 503                         break;
 504                 default:
 505                         box = LyXFunc::OK;
 506                         break;
 507                 }
 508                 flag |= box;
 509         }
 510
 511         return flag;
 512 }
 513
 514
 515 string const LyXFunc::Dispatch(string const & s)
 516 {
 517         // Split command string into command and argument
 518         string cmd;
 519         string line = frontStrip(s);
 520         string arg = strip(frontStrip(split(line, cmd, ' ')));
 521
 522         return Dispatch(lyxaction.LookupFunc(cmd), arg);
 523 }
 524
 525
 526 string const LyXFunc::Dispatch(int ac,
 527                          string const & do_not_use_this_arg)
 528 {
 529         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << ac
 530                               <<"] arg[" << do_not_use_this_arg << "]" << endl;
 531
 532         string argument;
 533         kb_action action;
 534
 535         // we have not done anything wrong yet.
 536         errorstat = false;
 537         dispatch_buffer.erase();
 538
 539         // if action is a pseudo-action, we need the real action
 540         if (lyxaction.isPseudoAction(ac)) {
 541                 string tmparg;
 542                 action = static_cast<kb_action>
 543                         (lyxaction.retrieveActionArg(ac, tmparg));
 544                 if (!tmparg.empty())
 545                         argument = tmparg;
 546         } else {
 547                 action = static_cast<kb_action>(ac);
 548                 if (!do_not_use_this_arg.empty())
 549                         argument = do_not_use_this_arg; // except here
 550         }
 551
 552         selection_possible = false;
 553
 554         if (owner->view()->available())
 555                 owner->view()->hideCursor();
 556
 557         // We cannot use this function here
 558         if (getStatus(ac, do_not_use_this_arg) & Disabled)
 559                 goto exit_with_message;
 560
 561         commandshortcut.erase();
 562
 563         if (lyxrc.display_shortcuts && show_sc) {
 564                 if (action != LFUN_SELFINSERT) {
 565                         // Put name of command and list of shortcuts
 566                         // for it in minibuffer
 567                         string comname = lyxaction.getActionName(action);
 568
 569                         int pseudoaction = action;
 570                         bool argsadded = false;
 571
 572                         if (!argument.empty()) {
 573                                 // If we have the command with argument,
 574                                 // this is better
 575                                 pseudoaction =
 576                                         lyxaction.searchActionArg(action,
 577                                                                   argument);
 578
 579                                 if (pseudoaction == -1) {
 580                                         pseudoaction = action;
 581                                 } else {
 582                                         comname += " " + argument;
 583                                         argsadded = true;
 584                                 }
 585                         }
 586
 587                         string const shortcuts =
 588                                 toplevel_keymap->findbinding(pseudoaction);
 589
 590                         if (!shortcuts.empty()) {
 591                                 comname += ": " + shortcuts;
 592                         } else if (!argsadded) {
 593                                 comname += " " + argument;
 594                         }
 595
 596                         if (!comname.empty()) {
 597                                 comname = strip(comname);
 598                                 commandshortcut = "(" + comname + ')';
 599                                 owner->getMiniBuffer()->Set(commandshortcut);
 600                                 // Here we could even add a small pause,
 601                                 // to annoy the user and make him learn
 602                                 // the shortcuts.
 603                                 // No! That will just annoy, not teach
 604                                 // anything. The user will read the messages
 605                                 // if they are interested. (Asger)
 606                         }
 607                 }
 608         }
 609
 610         if (owner->view()->available() && owner->view()->theLockingInset()) {
 611                 UpdatableInset::RESULT result;
 612                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 613                                      (keyseq.length >= -1)))
 614                 {
 615                         if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
 616                                 argument = keyseq.getiso();
 617                         }
 618                         // Undo/Redo pre 0.13 is a bit tricky for insets.
 619                         if (action == LFUN_UNDO) {
 620                                 int slx;
 621                                 int sly;
 622                                 UpdatableInset * inset =
 623                                         owner->view()->theLockingInset();
 624                                 inset->GetCursorPos(owner->view(), slx, sly);
 625                                 owner->view()->unlockInset(inset);
 626                                 owner->view()->menuUndo();
 627                                 if (TEXT()->cursor.par()->
 628                                     IsInset(TEXT()->cursor.pos())) {
 629                                         inset = static_cast<UpdatableInset*>(
 630                                                 TEXT()->cursor.par()->
 631                                                 GetInset(TEXT()->
 632                                                          cursor.pos()));
 633                                 } else {
 634                                         inset = 0;
 635                                 }
 636                                 if (inset)
 637                                         inset->Edit(owner->view(),slx,sly,0);
 638                                 return string();
 639                         } else if (action == LFUN_REDO) {
 640                                 int slx;
 641                                 int sly;
 642                                 UpdatableInset * inset = owner->view()->
 643                                         theLockingInset();
 644                                 inset->GetCursorPos(owner->view(), slx, sly);
 645                                 owner->view()->unlockInset(inset);
 646                                 owner->view()->menuRedo();
 647                                 inset = static_cast<UpdatableInset*>(
 648                                         TEXT()->cursor.par()->
 649                                         GetInset(TEXT()->
 650                                                  cursor.pos()));
 651                                 if (inset)
 652                                         inset->Edit(owner->view(),slx,sly,0);
 653                                 return string();
 654                         } else if (((result=owner->view()->theLockingInset()->
 655                                    LocalDispatch(owner->view(), action,
 656                                                  argument)) ==
 657                                    UpdatableInset::DISPATCHED) ||
 658                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 659                                 return string();
 660                         else {
 661                                 //setMessage(N_("Text mode"));
 662                                 switch (action) {
 663                                 case LFUN_UNKNOWN_ACTION:
 664                                 case LFUN_BREAKPARAGRAPH:
 665                                 case LFUN_BREAKLINE:
 666                                         TEXT()->CursorRight(owner->view());
 667                                         owner->view()->setState();
 668                                         owner->showState();
 669                                         break;
 670                                 case LFUN_RIGHT:
 671                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 672                                                 TEXT()->CursorRight(owner->view());
 673                                                 moveCursorUpdate(true, false);
 674                                                 owner->showState();
 675                                         }
 676                                         return string();
 677                                 case LFUN_LEFT:
 678                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 679                                                 TEXT()->CursorRight(owner->view());
 680                                                 moveCursorUpdate(true, false);
 681                                                 owner->showState();
 682                                         }
 683                                         return string();
 684                                 case LFUN_DOWN:
 685                                         TEXT()->CursorDown(owner->view());
 686                                         moveCursorUpdate(true, false);
 687                                         owner->showState();
 688                                         return string();
 689                                 default:
 690                                         break;
 691                                 }
 692                         }
 693                 }
 694         }
 695
 696         Assert(action != LFUN_SELECT_FILE_SYNC);
 697
 698         switch (action) {
 699                 // --- Misc -------------------------------------------
 700         case LFUN_WORDFINDFORWARD  :
 701         case LFUN_WORDFINDBACKWARD : {
 702                 static string last_search;
 703                 string searched_string;
 704
 705                 if (!argument.empty()) {
 706                         last_search = argument;
 707                         searched_string = argument;
 708                 } else {
 709                         searched_string = last_search;
 710                 }
 711
 712                 if (!searched_string.empty() &&
 713                     ((action == LFUN_WORDFINDBACKWARD) ?
 714                      SearchBackward(owner->view(), searched_string) :
 715                      SearchForward(owner->view(), searched_string))) {
 716
 717                         // ??? What is that ???
 718                         owner->view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 719
 720                         // ??? Needed ???
 721                         // clear the selection (if there is any)
 722                         owner->view()->toggleSelection();
 723                         TEXT()->ClearSelection(owner->view());
 724
 725                         // Move cursor so that successive C-s 's will not stand in place.
 726                         if (action == LFUN_WORDFINDFORWARD )
 727                                 TEXT()->CursorRightOneWord(owner->view());
 728                         TEXT()->FinishUndo();
 729                         moveCursorUpdate(true, false);
 730
 731                         // ??? Needed ???
 732                         // set the new selection
 733                         // SetSelectionOverLenChars(owner->view()->currentBuffer()->text, iLenSelected);
 734                         owner->view()->toggleSelection(false);
 735                 }
 736
 737                 // REMOVED : if (owner->view()->getWorkArea()->focus)
 738                 owner->view()->showCursor();
 739         }
 740         break;
 741
 742         case LFUN_PREFIX:
 743         {
 744                 if (owner->view()->available()) {
 745                         owner->view()->update(TEXT(),
 746                                               BufferView::SELECT|BufferView::FITCUR);
 747                 }
 748                 string buf;
 749                 keyseq.print(buf, true);
 750                 owner->getMiniBuffer()->Set(buf, string(), string(), 1);
 751         }
 752         break;
 753
 754         // --- Misc -------------------------------------------
 755         case LFUN_EXEC_COMMAND:
 756                 owner->getMiniBuffer()->PrepareForCommand();
 757                 break;
 758
 759         case LFUN_CANCEL:                   // RVDK_PATCH_5
 760                 keyseq.reset();
 761                 meta_fake_bit = 0;
 762                 if (owner->view()->available())
 763                         // cancel any selection
 764                         Dispatch(LFUN_MARK_OFF);
 765                 setMessage(N_("Cancel"));
 766                 break;
 767
 768         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 769         {
 770                 meta_fake_bit = Mod1Mask;
 771                 string buf;
 772                 keyseq.print(buf, true);
 773                 setMessage(buf); // RVDK_PATCH_5
 774         }
 775         break;
 776
 777         case LFUN_READ_ONLY_TOGGLE:
 778                 if (owner->buffer()->lyxvc.inUse()) {
 779                         owner->buffer()->lyxvc.toggleReadOnly();
 780                 } else {
 781                         owner->buffer()->setReadonly(
 782                                 !owner->buffer()->isReadonly());
 783                 }
 784                 break;
 785
 786         case LFUN_CENTER: // this is center and redraw.
 787                 owner->view()->center();
 788                 break;
 789
 790                 // --- Menus -----------------------------------------------
 791         case LFUN_MENUNEW:
 792                 MenuNew(false);
 793                 break;
 794
 795         case LFUN_MENUNEWTMPLT:
 796                 MenuNew(true);
 797                 break;
 798
 799         case LFUN_CLOSEBUFFER:
 800                 CloseBuffer();
 801                 break;
 802
 803         case LFUN_MENUWRITE:
 804                 if (!owner->buffer()->isUnnamed()) {
 805                         owner->getMiniBuffer()->Set(_("Saving document"),
 806                                                     MakeDisplayPath(owner->buffer()->fileName()),
 807                                                     "...");
 808                         MenuWrite(owner->view(), owner->buffer());
 809                 } else
 810                         WriteAs(owner->view(), owner->buffer());
 811                 break;
 812
 813         case LFUN_WRITEAS:
 814                 WriteAs(owner->view(), owner->buffer(), argument);
 815                 break;
 816
 817         case LFUN_MENURELOAD:
 818                 reloadBuffer();
 819                 break;
 820
 821         case LFUN_UPDATE:
 822                 Exporter::Export(owner->buffer(), argument, true);
 823                 break;
 824
 825         case LFUN_PREVIEW:
 826                 Exporter::Preview(owner->buffer(), argument);
 827                 break;
 828
 829         case LFUN_BUILDPROG:
 830                 Exporter::Export(owner->buffer(), "program", true);
 831                 break;
 832
 833         case LFUN_RUNCHKTEX:
 834                 MenuRunChktex(owner->buffer());
 835                 break;
 836
 837         case LFUN_MENUPRINT:
 838                 owner->getDialogs()->showPrint();
 839                 break;
 840
 841         case LFUN_EXPORT:
 842                 if (argument == "custom")
 843                         MenuSendto();
 844                 else
 845                         Exporter::Export(owner->buffer(), argument, false);
 846                 break;
 847
 848         case LFUN_IMPORT:
 849                 doImport(argument);
 850                 break;
 851
 852         case LFUN_QUIT:
 853                 QuitLyX();
 854                 break;
 855
 856         case LFUN_TOCVIEW:
 857         case LFUN_LOFVIEW:
 858         case LFUN_LOTVIEW:
 859         case LFUN_LOAVIEW:
 860         {
 861                 InsetCommandParams p;
 862
 863                 if (action == LFUN_TOCVIEW )
 864                         p.setCmdName( "tableofcontents" );
 865                 else if (action == LFUN_LOAVIEW )
 866                         p.setCmdName( "listofalgorithms" );
 867                 else if (action == LFUN_LOFVIEW )
 868                         p.setCmdName( "listoffigures" );
 869                 else
 870                         p.setCmdName( "listoftables" );
 871
 872                 owner->getDialogs()->createTOC( p.getAsString() );
 873                 break;
 874         }
 875
 876         case LFUN_DIALOG_TABULAR_INSERT:
 877                 owner->getDialogs()->showTabularCreate();
 878                 break;
 879
 880         case LFUN_FIGURE:
 881                 Figure();
 882                 break;
 883
 884         case LFUN_AUTOSAVE:
 885                 AutoSave(owner->view());
 886                 break;
 887
 888         case LFUN_UNDO:
 889                 owner->view()->menuUndo();
 890                 break;
 891
 892         case LFUN_REDO:
 893                 owner->view()->menuRedo();
 894                 break;
 895
 896         case LFUN_MENUSEARCH:
 897                 owner->getDialogs()->showSearch();
 898                 break;
 899
 900         case LFUN_REMOVEERRORS:
 901                 if (owner->view()->removeAutoInsets()) {
 902                         owner->view()->redraw();
 903                         owner->view()->fitCursor(TEXT());
 904                 }
 905                 break;
 906
 907 #ifndef NEW_INSETS
 908         case LFUN_OPENSTUFF:
 909                 owner->view()->openStuff();
 910                 break;
 911 #endif
 912
 913         case LFUN_HYPHENATION:
 914                 owner->view()->hyphenationPoint();
 915                 break;
 916
 917         case LFUN_LDOTS:
 918                 owner->view()->ldots();
 919                 break;
 920
 921         case LFUN_END_OF_SENTENCE:
 922                 owner->view()->endOfSentenceDot();
 923                 break;
 924
 925         case LFUN_MENU_SEPARATOR:
 926                 owner->view()->menuSeparator();
 927                 break;
 928
 929         case LFUN_HFILL:
 930                 owner->view()->hfill();
 931                 break;
 932
 933         case LFUN_DEPTH:
 934                 changeDepth(owner->view(), TEXT(false), 0);
 935                 break;
 936
 937         case LFUN_DEPTH_MIN:
 938                 changeDepth(owner->view(), TEXT(false), -1);
 939                 break;
 940
 941         case LFUN_DEPTH_PLUS:
 942                 changeDepth(owner->view(), TEXT(false), 1);
 943                 break;
 944
 945         case LFUN_FREE:
 946                 owner->getDialogs()->setUserFreeFont();
 947                 break;
 948
 949         case LFUN_TEX:
 950                 Tex(owner->view());
 951                 owner->view()->setState();
 952                 owner->showState();
 953                 break;
 954 #ifndef NEW_INSETS
 955         case LFUN_MELT:
 956                 Melt(owner->view());
 957                 break;
 958 #endif
 959         case LFUN_RECONFIGURE:
 960                 Reconfigure(owner->view());
 961                 break;
 962 #ifndef NEW_INSETS
 963         case LFUN_FOOTMELT:
 964                 if (owner->view()->available()
 965                     && !TEXT()->selection
 966                     && TEXT()->cursor.par()->footnoteflag
 967                     != LyXParagraph::NO_FOOTNOTE)
 968                         { // only melt footnotes with FOOTMELT, not margins etc
 969                                 if (TEXT()->cursor.par()->footnotekind == LyXParagraph::FOOTNOTE)
 970                                         Melt(owner->view());
 971                         }
 972                 else
 973                         Foot(owner->view());
 974                 owner->view()->setState();
 975                 break;
 976
 977         case LFUN_MARGINMELT:
 978                 if (owner->view()->available()
 979                     && !TEXT()->selection
 980                     && TEXT()->cursor.par()->footnoteflag
 981                     != LyXParagraph::NO_FOOTNOTE) {
 982                         // only melt margins
 983                         if (TEXT()->cursor.par()->footnotekind == LyXParagraph::MARGIN)
 984                                 Melt(owner->view());
 985                 } else
 986                         Margin(owner->view());
 987                 owner->view()->setState();
 988                 break;
 989 #endif
 990 #ifndef NEW_INSETS
 991         case LFUN_FLOATSOPERATE:
 992                 if (argument == "openfoot")
 993                         owner->view()->allFloats(1,0);
 994                 else if (argument == "closefoot")
 995                         owner->view()->allFloats(0,0);
 996                 else if (argument == "openfig")
 997                         owner->view()->allFloats(1,1);
 998                 else if (argument == "closefig")
 999                         owner->view()->allFloats(0,1);
1000                 break;
1001 #else
1002 #ifdef WITH_WARNINGS
1003 #warning Find another implementation here (or another lyxfunc)!
1004 #endif
1005 #endif
1006         case LFUN_HELP_COPYRIGHT:
1007                 owner->getDialogs()->showCopyright();
1008                 break;
1009
1010         case LFUN_HELP_CREDITS:
1011                 owner->getDialogs()->showCredits();
1012                 break;
1013
1014         case LFUN_HELP_OPEN: {
1015                 string arg = argument;
1016                 if (arg.empty()) {
1017                         setErrorMessage(N_("Missing argument"));
1018                         break;
1019                 }
1020                 ProhibitInput(owner->view());
1021                 string fname = i18nLibFileSearch("doc", arg, "lyx");
1022                 if (fname.empty()) {
1023                         lyxerr << "LyX: unable to find documentation file `"
1024                                << arg << "'. Bad installation?" << endl;
1025                         AllowInput(owner->view());
1026                         break;
1027                 }
1028                 owner->getMiniBuffer()->Set(_("Opening help file"),
1029                                             MakeDisplayPath(fname),"...");
1030                 owner->view()->buffer(bufferlist.loadLyXFile(fname,false));
1031                 AllowInput(owner->view());
1032                 break;
1033         }
1034
1035         case LFUN_HELP_VERSION: {
1036                 ProhibitInput(owner->view());
1037                 string msg(_("LyX Version "));
1038                 msg += LYX_VERSION;
1039                 msg += " of ";
1040                 msg += LYX_RELEASE;
1041                 fl_show_message(msg.c_str(),
1042                                 (_("Library directory: ")
1043                                  + MakeDisplayPath(system_lyxdir)).c_str(),
1044                                 (_("User directory: ")
1045                                  + MakeDisplayPath(user_lyxdir)).c_str());
1046                 AllowInput(owner->view());
1047                 break;
1048         }
1049
1050                 // --- version control -------------------------------
1051         case LFUN_VC_REGISTER:
1052         {
1053                 if (!owner->buffer()->lyxvc.inUse())
1054                         owner->buffer()->lyxvc.registrer();
1055         }
1056         break;
1057
1058         case LFUN_VC_CHECKIN:
1059         {
1060                 if (owner->buffer()->lyxvc.inUse()
1061                     && !owner->buffer()->isReadonly())
1062                         owner->buffer()->lyxvc.checkIn();
1063         }
1064         break;
1065
1066         case LFUN_VC_CHECKOUT:
1067         {
1068                 if (owner->buffer()->lyxvc.inUse()
1069                     && owner->buffer()->isReadonly())
1070                         owner->buffer()->lyxvc.checkOut();
1071         }
1072         break;
1073
1074         case LFUN_VC_REVERT:
1075         {
1076                 owner->buffer()->lyxvc.revert();
1077         }
1078         break;
1079
1080         case LFUN_VC_UNDO:
1081         {
1082                 owner->buffer()->lyxvc.undoLast();
1083         }
1084         break;
1085
1086         case LFUN_VC_HISTORY:
1087         {
1088                 owner->getDialogs()->showVCLogFile();
1089                 break;
1090         }
1091
1092         // --- buffers ----------------------------------------
1093
1094         case LFUN_SWITCHBUFFER:
1095                 owner->view()->buffer(bufferlist.getBuffer(argument));
1096                 break;
1097
1098         case LFUN_FILE_NEW:
1099         {
1100                 // servercmd: argument must be <file>:<template>
1101                 Buffer * tmpbuf = NewLyxFile(argument);
1102                 if (tmpbuf)
1103                         owner->view()->buffer(tmpbuf);
1104         }
1105         break;
1106
1107         case LFUN_FILE_OPEN:
1108                 Open(argument);
1109                 break;
1110
1111         case LFUN_LATEX_LOG:
1112                 owner->getDialogs()->showLogFile();
1113                 break;
1114
1115         case LFUN_LAYOUTNO:
1116         {
1117                 lyxerr.debug() << "LFUN_LAYOUTNO: (arg) " << argument << endl;
1118                 int sel = strToInt(argument);
1119                 lyxerr.debug() << "LFUN_LAYOUTNO: (sel) "<< sel << endl;
1120
1121                 // Should this give a setMessage instead?
1122                 if (sel == 0)
1123                         return string(); // illegal argument
1124
1125                 --sel; // sel 1..., but layout 0...
1126
1127                 // Pretend we got the name instead.
1128                 Dispatch(int(LFUN_LAYOUT),
1129                          textclasslist.NameOfLayout(owner->view()
1130                                                     ->buffer()->params.textclass,
1131                                                     sel));
1132                 return string();
1133         }
1134
1135         case LFUN_LAYOUT_DOCUMENT:
1136                 owner->getDialogs()->showLayoutDocument();
1137                 break;
1138
1139         case LFUN_LAYOUT_PARAGRAPH:
1140                 owner->getDialogs()->showLayoutParagraph();
1141                 break;
1142
1143         case LFUN_LAYOUT_CHARACTER:
1144                 owner->getDialogs()->showLayoutCharacter();
1145                 break;
1146
1147         case LFUN_LAYOUT_TABULAR:
1148             if (owner->view()->theLockingInset()) {
1149                 if (owner->view()->theLockingInset()->LyxCode()==Inset::TABULAR_CODE) {
1150                     InsetTabular * inset = static_cast<InsetTabular *>
1151                         (owner->view()->theLockingInset());
1152                     inset->OpenLayoutDialog(owner->view());
1153                 } else if (owner->view()->theLockingInset()->
1154                            GetFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1155                     InsetTabular * inset = static_cast<InsetTabular *>(
1156                         owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE));
1157                     inset->OpenLayoutDialog(owner->view());
1158                 }
1159             }
1160             break;
1161
1162         case LFUN_LAYOUT_PREAMBLE:
1163                 owner->getDialogs()->showPreamble();
1164                 break;
1165
1166         case LFUN_LAYOUT_SAVE_DEFAULT:
1167                 MenuLayoutSave(owner->view());
1168                 break;
1169
1170         case LFUN_DROP_LAYOUTS_CHOICE:
1171                 owner->getToolbar()->openLayoutList();
1172                 break;
1173
1174         case LFUN_MENU_OPEN_BY_NAME:
1175                 owner->getMenubar()->openByName(argument);
1176                 break; // RVDK_PATCH_5
1177
1178         case LFUN_SPELLCHECK:
1179                 if (lyxrc.isp_command != "none")
1180                         ShowSpellChecker(owner->view());
1181                 break; // RVDK_PATCH_5
1182
1183         // --- lyxserver commands ----------------------------
1184
1185
1186         case LFUN_GETNAME:
1187                 setMessage(owner->buffer()->fileName());
1188                 lyxerr.debug() << "FNAME["
1189                                << owner->buffer()->fileName()
1190                                << "] " << endl;
1191                 break;
1192
1193         case LFUN_NOTIFY:
1194         {
1195                 string buf;
1196                 keyseq.print(buf);
1197                 dispatch_buffer = buf;
1198                 lyxserver->notifyClient(dispatch_buffer);
1199         }
1200         break;
1201
1202         case LFUN_GOTOFILEROW:
1203         {
1204                 char file_name[100];
1205                 int row;
1206                 ::sscanf(argument.c_str(), " %s %d", file_name, &row);
1207
1208                 // Must replace extension of the file to be .lyx and get full path
1209                 string s = ChangeExtension(string(file_name), ".lyx");
1210
1211                 // Either change buffer or load the file
1212                 if (bufferlist.exists(s))
1213                         owner->view()->buffer(bufferlist.getBuffer(s));
1214                 else
1215                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1216
1217                 // Set the cursor
1218                 owner->view()->setCursorFromRow(row);
1219
1220                 // Recenter screen
1221                 owner->view()->center();
1222         }
1223         break;
1224
1225         case LFUN_GOTO_PARAGRAPH:
1226         {
1227                 istringstream istr(argument.c_str());
1228
1229                 int id;
1230                 istr >> id;
1231                 LyXParagraph * par = TEXT()->GetParFromID(id);
1232                 if (par == 0)
1233                         break;
1234
1235                 // Set the cursor
1236                 TEXT()->SetCursor(owner->view(), par, 0);
1237                 owner->view()->setState();
1238                 owner->showState();
1239
1240                 // Recenter screen
1241                 owner->view()->center();
1242         }
1243         break;
1244
1245         case LFUN_APROPOS:
1246         case LFUN_GETTIP:
1247         {
1248                 int const qa = lyxaction.LookupFunc(argument);
1249                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1250         }
1251         break;
1252
1253         // --- toolbar ----------------------------------
1254         case LFUN_PUSH_TOOLBAR:
1255         {
1256                 int nth = strToInt(argument);
1257                 if (nth <= 0) {
1258                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1259                 } else {
1260                         owner->getToolbar()->push(nth);
1261                 }
1262         }
1263         break;
1264
1265         case LFUN_ADD_TO_TOOLBAR:
1266         {
1267                 if (lyxerr.debugging(Debug::GUI)) {
1268                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1269                                 "argument = `" << argument << '\'' << endl;
1270                 }
1271                 string tmp(argument);
1272                 //lyxerr <<string("Argument: ") + argument);
1273                 //lyxerr <<string("Tmp     : ") + tmp);
1274                 if (tmp.empty()) {
1275                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1276                 } else {
1277                         owner->getToolbar()->add(argument, false);
1278                         owner->getToolbar()->set();
1279                 }
1280         }
1281         break;
1282
1283         // --- insert characters ----------------------------------------
1284
1285         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1286
1287         // Greek mode
1288         case LFUN_GREEK:
1289         {
1290                 if (!greek_kb_flag) {
1291                         greek_kb_flag = 1;
1292                         setMessage(N_("Math greek mode on"));
1293                 } else
1294                         greek_kb_flag = 0;
1295         }
1296         break;
1297
1298         // Greek keyboard
1299         case LFUN_GREEK_TOGGLE:
1300         {
1301                 greek_kb_flag = greek_kb_flag ? 0 : 2;
1302                 if (greek_kb_flag) {
1303                         setMessage(N_("Math greek keyboard on"));
1304                 } else {
1305                         setMessage(N_("Math greek keyboard off"));
1306                 }
1307         }
1308         break;
1309
1310         case LFUN_MATH_NUMBER:
1311         case LFUN_MATH_LIMITS:
1312         {
1313                 setErrorMessage(N_("This is only allowed in math mode!"));
1314
1315         }
1316         break;
1317
1318         case LFUN_MATH_PANEL:
1319                 owner->getDialogs()->showMathPanel();
1320                 break;
1321
1322         case LFUN_CITATION_CREATE:
1323         {
1324                 InsetCommandParams p( "cite" );
1325
1326                 if (!argument.empty()) {
1327                         // This should be set at source, ie when typing
1328                         // "citation-insert foo" in the minibuffer.
1329                         // Question: would pybibliographer also need to be
1330                         // changed. Suspect so. Leave as-is therefore.
1331                         if (contains(argument, "|")) {
1332                                 p.setContents( token(argument, '|', 0) );
1333                                 p.setOptions(  token(argument, '|', 1) );
1334                         } else {
1335                                 p.setContents( argument );
1336                         }
1337                         Dispatch(LFUN_CITATION_INSERT, p.getAsString());
1338                 } else
1339                         owner->getDialogs()->createCitation( p.getAsString() );
1340         }
1341         break;
1342
1343         case LFUN_CHILDOPEN:
1344         {
1345                 string const filename =
1346                         MakeAbsPath(argument,
1347                                     OnlyPath(owner->buffer()->fileName()));
1348                 setMessage(N_("Opening child document ") +
1349                            MakeDisplayPath(filename) + "...");
1350                 owner->view()->savePosition(0);
1351                 if (bufferlist.exists(filename))
1352                         owner->view()->buffer(bufferlist.getBuffer(filename));
1353                 else
1354                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1355         }
1356         break;
1357
1358 #ifndef NEW_INSETS
1359         case LFUN_INSERTFOOTNOTE:
1360         {
1361                 LyXParagraph::footnote_kind kind;
1362                 if (argument == "footnote") {
1363                         kind = LyXParagraph::FOOTNOTE;
1364                 } else if (argument == "margin") {
1365                         kind = LyXParagraph::MARGIN;
1366                 } else if (argument == "figure") {
1367                         kind = LyXParagraph::FIG;
1368                 } else if (argument == "table") {
1369                         kind = LyXParagraph::TAB;
1370                 } else if (argument == "wide-fig") {
1371                         kind = LyXParagraph::WIDE_FIG;
1372                 } else if (argument == "wide-tab") {
1373                         kind = LyXParagraph::WIDE_TAB;
1374                 } else if (argument == "algorithm") {
1375                         kind = LyXParagraph::ALGORITHM;
1376                 } else {
1377                         setErrorMessage(N_("Unknown kind of footnote"));
1378                         break;
1379                 }
1380                 TEXT()->InsertFootnoteEnvironment(owner->view(), kind);
1381                 owner->view()->update(TEXT(),
1382                                       BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1383                 owner->view()->setState();
1384         }
1385         break;
1386 #endif
1387         case LFUN_TOGGLECURSORFOLLOW:
1388                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1389                 break;
1390
1391         case LFUN_KMAP_OFF:             // keymap off
1392                 owner->getIntl()->KeyMapOn(false);
1393                 break;
1394
1395         case LFUN_KMAP_PRIM:    // primary keymap
1396                 owner->getIntl()->KeyMapPrim();
1397                 break;
1398
1399         case LFUN_KMAP_SEC:             // secondary keymap
1400                 owner->getIntl()->KeyMapSec();
1401                 break;
1402
1403         case LFUN_KMAP_TOGGLE:  // toggle keymap
1404                 owner->getIntl()->ToggleKeyMap();
1405                 break;
1406
1407         case LFUN_SEQUENCE:
1408         {
1409                 // argument contains ';'-terminated commands
1410                 while (argument.find(';') != string::npos) {
1411                         string first;
1412                         argument = split(argument, first, ';');
1413                         Dispatch(first);
1414                 }
1415         }
1416         break;
1417
1418         case LFUN_DIALOG_PREFERENCES:
1419                 owner->getDialogs()->showPreferences();
1420                 break;
1421
1422         case LFUN_SAVEPREFERENCES:
1423         {
1424                 Path p(user_lyxdir);
1425                 lyxrc.write("preferences");
1426         }
1427         break;
1428
1429         case LFUN_SCREEN_FONT_UPDATE:
1430         {
1431                 // handle the screen font changes.
1432                 //
1433                 lyxrc.set_font_norm_type();
1434                 fontloader.update();
1435                 // Of course we should only do the resize and the textcache.clear
1436                 // if values really changed...but not very important right now. (Lgb)
1437                 // All buffers will need resize
1438                 bufferlist.resize();
1439                 // We also need to empty the textcache so that
1440                 // the buffer will be formatted correctly after
1441                 // a zoom change.
1442                 textcache.clear();
1443         }
1444         break;
1445
1446         case LFUN_SET_COLOR:
1447         {
1448                 string lyx_name;
1449                 string const x11_name = split(argument, lyx_name, ' ');
1450                 if (lyx_name.empty() || x11_name.empty()) {
1451                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1452                                                 " <x11_name>"));
1453                         break;
1454                         }
1455
1456                 if (!lcolor.setColor(lyx_name, x11_name)) {
1457                         static string const err1 (N_("Set-color \""));
1458                         static string const err2 (
1459                                 N_("\" failed - color is undefined "
1460                                    "or may not be redefined"));
1461                         setErrorMessage(_(err1) + lyx_name + _(err2));
1462                         break;
1463                 }
1464                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1465                 owner->view()->redraw();
1466                 break;
1467         }
1468
1469         default:
1470                 // Then if it was none of the above
1471                 if (!owner->view()->Dispatch(action, argument))
1472                         lyxerr << "A truly unknown func!" << endl;
1473                 break;
1474         } // end of switch
1475
1476 exit_with_message:
1477
1478         string const res = getMessage();
1479
1480         if (res.empty()) {
1481                 if (!commandshortcut.empty()) {
1482                         string const newbuf =
1483                                 owner->getMiniBuffer()->GetText();
1484                         if (newbuf != commandshortcut) {
1485                                 owner->getMiniBuffer()->Set(newbuf
1486                                                             + " " +
1487                                                             commandshortcut);
1488                         }
1489                 }
1490         } else {
1491                 string msg(_(res));
1492                 msg += " ";
1493                 msg += commandshortcut;
1494                 owner->getMiniBuffer()->Set(msg);
1495         }
1496
1497         return res;
1498 }
1499
1500
1501 void LyXFunc::setupLocalKeymap()
1502 {
1503         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1504         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1505 }
1506
1507
1508 void LyXFunc::MenuNew(bool fromTemplate)
1509 {
1510         string initpath = lyxrc.document_path;
1511
1512         if (owner->view()->available()) {
1513                 string const trypath = owner->buffer()->filepath;
1514                 // If directory is writeable, use this as default.
1515                 if (IsDirWriteable(trypath) == 1)
1516                         initpath = trypath;
1517         }
1518
1519         static int newfile_number = 0;
1520         string s;
1521
1522         if (lyxrc.new_ask_filename) {
1523                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1524                         LFUN_SELECT_FILE_SYNC,
1525                         make_pair(string(_("Documents")), string(lyxrc.document_path)),
1526                         make_pair(string(_("Templates")), string(lyxrc.template_path)));
1527
1528                 FileDialog::Result result = fileDlg.Select(initpath, _("*.lyx|LyX Documents (*.lyx)"), _("newfile"));
1529
1530                 if (result.second.empty()) {
1531                         owner->getMiniBuffer()->Set(_("Canceled."));
1532                         lyxerr.debug() << "New Document Cancelled." << endl;
1533                         return;
1534                 }
1535
1536                 // get absolute path of file and make sure the filename ends
1537                 // with .lyx
1538                 s = MakeAbsPath(result.second);
1539                 if (!IsLyXFilename(s))
1540                         s += ".lyx";
1541
1542                 // Check if the document already is open
1543                 if (bufferlist.exists(s)) {
1544                         switch (AskConfirmation(_("Document is already open:"),
1545                                                MakeDisplayPath(s, 50),
1546                                                _("Do you want to close that document now?\n"
1547                                                  "('No' will just switch to the open version)")))
1548                         {
1549                         case 1: // Yes: close the document
1550                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1551                                 // If close is canceled, we cancel here too.
1552                                         return;
1553                                 break;
1554                         case 2: // No: switch to the open document
1555                                 owner->view()->buffer(bufferlist.getBuffer(s));
1556                                 return;
1557                         case 3: // Cancel: Do nothing
1558                                 owner->getMiniBuffer()->Set(_("Canceled."));
1559                                 return;
1560                         }
1561                 }
1562                 // Check whether the file already exists
1563                 if (IsLyXFilename(s)) {
1564                         FileInfo fi(s);
1565                         if (fi.readable() &&
1566                             AskQuestion(_("File already exists:"),
1567                                         MakeDisplayPath(s, 50),
1568                                         _("Do you want to open the document?"))) {
1569                                 // loads document
1570                                 owner->getMiniBuffer()->Set(_("Opening document"),
1571                                                             MakeDisplayPath(s), "...");
1572                                 XFlush(fl_get_display());
1573                                 owner->view()->buffer(
1574                                         bufferlist.loadLyXFile(s));
1575                                 owner->getMiniBuffer()->Set(_("Document"),
1576                                                             MakeDisplayPath(s),
1577                                                             _("opened."));
1578                                 return;
1579                         }
1580                 }
1581         } else {
1582                 s = AddName(lyxrc.document_path,
1583                             "newfile" + tostr(++newfile_number) + ".lyx");
1584                 FileInfo fi(s);
1585                 while (bufferlist.exists(s) || fi.readable()) {
1586                         ++newfile_number;
1587                         s = AddName(lyxrc.document_path,
1588                                     "newfile" + tostr(newfile_number) +
1589                                     ".lyx");
1590                         fi.newFile(s);
1591                 }
1592         }
1593
1594         // The template stuff
1595         string templname;
1596         if (fromTemplate) {
1597                 FileDialog fileDlg(owner, _("Select template file"),
1598                         LFUN_SELECT_FILE_SYNC,
1599                         make_pair(string(_("Documents")), string(lyxrc.document_path)),
1600                         make_pair(string(_("Templates")), string(lyxrc.template_path)));
1601
1602                 FileDialog::Result result = fileDlg.Select(initpath, _("*.lyx|LyX Documents (*.lyx)"));
1603
1604                 if (result.first == FileDialog::Later)
1605                         return;
1606
1607                 string const fname = result.second;
1608
1609                 if (fname.empty())
1610                         return;
1611                 templname = fname;
1612         }
1613
1614         // find a free buffer
1615         lyxerr.debug() << "Find a free buffer." << endl;
1616         owner->view()->buffer(bufferlist.newFile(s, templname));
1617 }
1618
1619
1620 void LyXFunc::Open(string const & fname)
1621 {
1622         string initpath = lyxrc.document_path;
1623
1624         if (owner->view()->available()) {
1625                 string const trypath = owner->buffer()->filepath;
1626                 // If directory is writeable, use this as default.
1627                 if (IsDirWriteable(trypath) == 1)
1628                         initpath = trypath;
1629         }
1630
1631         string filename;
1632
1633         if (fname.empty()) {
1634                 FileDialog fileDlg(owner, _("Select document to open"),
1635                         LFUN_FILE_OPEN,
1636                         make_pair(string(_("Documents")), string(lyxrc.document_path)),
1637                         make_pair(string(_("Examples")), string(AddPath(system_lyxdir, "examples"))));
1638
1639                 FileDialog::Result result = fileDlg.Select(initpath, "*.lyx|LyX Documents (*.lyx)");
1640
1641                 if (result.first == FileDialog::Later)
1642                         return;
1643
1644                 filename = result.second;
1645
1646                 // check selected filename
1647                 if (filename.empty()) {
1648                         owner->getMiniBuffer()->Set(_("Canceled."));
1649                         return;
1650                 }
1651         } else
1652                 filename = fname;
1653
1654         // get absolute path of file and make sure the filename ends
1655         // with .lyx
1656         filename = MakeAbsPath(filename);
1657         if (!IsLyXFilename(filename))
1658                 filename += ".lyx";
1659
1660         // loads document
1661         owner->getMiniBuffer()->Set(_("Opening document"),
1662                                     MakeDisplayPath(filename), "...");
1663         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1664         if (openbuf) {
1665                 owner->view()->buffer(openbuf);
1666                 owner->getMiniBuffer()->Set(_("Document"),
1667                                             MakeDisplayPath(filename),
1668                                             _("opened."));
1669         } else {
1670                 owner->getMiniBuffer()->Set(_("Could not open document"),
1671                                             MakeDisplayPath(filename));
1672         }
1673 }
1674
1675
1676 // checks for running without gui are missing.
1677 void LyXFunc::doImport(string const & argument)
1678 {
1679         string format;
1680         string filename = split(argument, format, ' ');
1681         lyxerr.debug() << "LyXFunc::doImport: " << format
1682                        << " file: " << filename << endl;
1683
1684         if (filename.empty()) { // need user interaction
1685                 string initpath = lyxrc.document_path;
1686
1687                 if (owner->view()->available()) {
1688                         string const trypath = owner->buffer()->filepath;
1689                         // If directory is writeable, use this as default.
1690                         if (IsDirWriteable(trypath) == 1)
1691                                 initpath = trypath;
1692                 }
1693
1694                 string const text = _("Select ") + formats.PrettyName(format)
1695                         + _(" file to import");
1696
1697                 FileDialog fileDlg(owner, text,
1698                         LFUN_IMPORT,
1699                         make_pair(string(_("Documents")), string(lyxrc.document_path)),
1700                         make_pair(string(_("Examples")), string(AddPath(system_lyxdir, "examples"))));
1701
1702                 string const extension = "*." + formats.Extension(format) + "| " +
1703                         formats.PrettyName(format) + " (*." + formats.Extension(format) + ")";
1704
1705                 FileDialog::Result result = fileDlg.Select(initpath, extension);
1706
1707                 if (result.first == FileDialog::Later)
1708                         return;
1709
1710                 filename = result.second;
1711
1712                 // check selected filename
1713                 if (filename.empty())
1714                         owner->getMiniBuffer()->Set(_("Canceled."));
1715         }
1716
1717         // still no filename? abort
1718         if (filename.empty())
1719                 return;
1720
1721         // get absolute path of file
1722         filename = MakeAbsPath(filename);
1723
1724         string const lyxfile = ChangeExtension(filename, ".lyx");
1725
1726         // Check if the document already is open
1727         if (bufferlist.exists(lyxfile)) {
1728                 switch (AskConfirmation(_("Document is already open:"),
1729                                        MakeDisplayPath(lyxfile, 50),
1730                                        _("Do you want to close that document now?\n"
1731                                          "('No' will just switch to the open version)")))
1732                         {
1733                         case 1: // Yes: close the document
1734                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1735                                 // If close is canceled, we cancel here too.
1736                                         return;
1737                                 break;
1738                         case 2: // No: switch to the open document
1739                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1740                                 return;
1741                         case 3: // Cancel: Do nothing
1742                                 owner->getMiniBuffer()->Set(_("Canceled."));
1743                                 return;
1744                         }
1745         }
1746
1747         // Check if a LyX document by the same root exists in filesystem
1748         FileInfo const f(lyxfile, true);
1749         if (f.exist() && !AskQuestion(_("A document by the name"),
1750                                       MakeDisplayPath(lyxfile),
1751                                       _("already exists. Overwrite?"))) {
1752                 owner->getMiniBuffer()->Set(_("Canceled."));
1753                 return;
1754         }
1755         // filename should be valid now
1756
1757         Importer::Import(owner, filename, format);
1758 }
1759
1760
1761 void LyXFunc::reloadBuffer()
1762 {
1763         string const fn = owner->buffer()->fileName();
1764         if (bufferlist.close(owner->buffer()))
1765                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1766 }
1767
1768
1769 void LyXFunc::CloseBuffer()
1770 {
1771         if (bufferlist.close(owner->buffer()) && !quitting) {
1772                 if (bufferlist.empty()) {
1773                         // need this otherwise SEGV may occur while trying to
1774                         // set variables that don't exist
1775                         // since there's no current buffer
1776                         owner->getDialogs()->hideBufferDependent();
1777                 } else {
1778                         owner->view()->buffer(bufferlist.first());
1779                 }
1780         }
1781 }
1782
1783
1784 // Each "owner" should have it's own message method. lyxview and
1785 // the minibuffer would use the minibuffer, but lyxserver would
1786 // send an ERROR signal to its client.  Alejandro 970603
1787 // This func is bit problematic when it comes to NLS, to make the
1788 // lyx servers client be language indepenent we must not translate
1789 // strings sent to this func.
1790 void LyXFunc::setErrorMessage(string const & m) const
1791 {
1792         dispatch_buffer = m;
1793         errorstat = true;
1794 }
1795
1796
1797 void LyXFunc::setMessage(string const & m)
1798 {
1799         dispatch_buffer = m;
1800 }