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 "support/lyxalgo.h"
  29 #include "version.h"
  30 #include "kbmap.h"
  31 #include "lyxfunc.h"
  32 #include "bufferlist.h"
  33 #include "ColorHandler.h"
  34 #include "lyxserver.h"
  35 #include "figure_form.h"
  36 #include "intl.h"
  37 #include "lyx_main.h"
  38 #include "lyx_cb.h"
  39 #include "LyXAction.h"
  40 #include "insets/inseturl.h"
  41 #include "insets/insetlatexaccent.h"
  42 #include "insets/insettoc.h"
  43 #include "insets/insetref.h"
  44 #include "insets/insetparent.h"
  45 #include "insets/insetindex.h"
  46 #include "insets/insetinclude.h"
  47 #include "insets/insetbib.h"
  48 #include "insets/insetcite.h"
  49 #include "insets/insettext.h"
  50 #include "insets/insetert.h"
  51 #include "insets/insetexternal.h"
  52 #include "insets/insetgraphics.h"
  53 #include "insets/insetfoot.h"
  54 #include "insets/insetmarginal.h"
  55 #include "insets/insetminipage.h"
  56 #include "insets/insetfloat.h"
  57 #include "insets/insetlist.h"
  58 #include "insets/insettabular.h"
  59 #include "insets/insettheorem.h"
  60 #include "insets/insetcaption.h"
  61 #include "mathed/formulamacro.h"
  62 #include "spellchecker.h" // RVDK_PATCH_5
  63 #include "minibuffer.h"
  64 #include "vspace.h"
  65 #include "LyXView.h"
  66 #include "lyx_gui_misc.h"
  67 #include "support/filetools.h"
  68 #include "support/FileInfo.h"
  69 #include "support/syscall.h"
  70 #include "support/lstrings.h"
  71 #include "support/path.h"
  72 #include "support/lyxfunctional.h"
  73 #include "debug.h"
  74 #include "lyxrc.h"
  75 #include "lyxtext.h"
  76 #include "gettext.h"
  77 #include "trans_mgr.h"
  78 #include "layout.h"
  79 #include "WorkArea.h"
  80 #include "bufferview_funcs.h"
  81 #include "frontends/FileDialog.h"
  82 #include "frontends/Dialogs.h"
  83 #include "frontends/Toolbar.h"
  84 #include "frontends/Menubar.h"
  85 #include "FloatList.h"
  86 #include "converter.h"
  87 #include "exporter.h"
  88 #include "importer.h"
  89 #include "FontLoader.h"
  90 #include "TextCache.h"
  91 #include "lyxfind.h"
  92
  93 using std::pair;
  94 using std::make_pair;
  95 using std::endl;
  96 using std::find_if;
  97
  98 extern BufferList bufferlist;
  99 extern LyXServer * lyxserver;
 100 extern int greek_kb_flag;
 101 extern bool selection_possible;
 102 extern void MenuSendto();
 103
 104 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 105
 106 extern void show_symbols_form(LyXFunc *);
 107
 108 extern LyXAction lyxaction;
 109 // (alkis)
 110 extern tex_accent_struct get_accent(kb_action action);
 111
 112 extern LyXTextClass::size_type current_layout;
 113
 114 extern void ShowLatexLog();
 115
 116
 117 #if 0
 118
 119 ///
 120 class MiniBufferController : public SigC::Object {
 121 public:
 122         ///
 123         MiniBufferController() {
 124                 minibuffer
 125                         .cmdReady
 126                         .connect(slot(this,
 127                                       &MiniBufferController::receiveCommand));
 128                 minibuffer
 129                         .argReady
 130                         .connect(slot(this,
 131                                       &MiniBufferController::receiveArg));
 132         }
 133         ///
 134         void receiveCmd(string const & cmd) {}
 135         ///
 136         void receiveArg(string const & arg) {}
 137
 138
 139 private:
 140 };
 141
 142 namespace {
 143
 144 MiniBufferController mb_ctrl;
 145
 146 }
 147 #endif
 148
 149
 150 /* === globals =========================================================== */
 151
 152 // Initialization of static member var
 153 bool LyXFunc::show_sc = true;
 154
 155
 156 LyXFunc::LyXFunc(LyXView * o)
 157         : owner(o)
 158 {
 159         meta_fake_bit = 0;
 160         lyx_dead_action = LFUN_NOACTION;
 161         lyx_calling_dead_action = LFUN_NOACTION;
 162         setupLocalKeymap();
 163 }
 164
 165
 166 inline
 167 LyXText * LyXFunc::TEXT(bool flag = true) const
 168 {
 169         if (flag)
 170                 return owner->view()->text;
 171         return owner->view()->getLyXText();
 172 }
 173
 174
 175 // I changed this func slightly. I commented out the ...FinishUndo(),
 176 // this means that all places that used to have a moveCursorUpdate, now
 177 // have a ...FinishUndo() as the preceeding statement. I have also added
 178 // a moveCursorUpdate to some of the functions that updated the cursor, but
 179 // that did not show its new position.
 180 inline
 181 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 182 {
 183         if (selecting || TEXT(flag)->mark_set) {
 184                 TEXT(flag)->SetSelection(owner->view());
 185                 if (TEXT(flag)->bv_owner)
 186                     owner->view()->toggleToggle();
 187         }
 188         owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 189         owner->view()->showCursor();
 190
 191         /* ---> Everytime the cursor is moved, show the current font state. */
 192         // should this too me moved out of this func?
 193         //owner->showState();
 194         owner->view()->setState();
 195 }
 196
 197
 198 void LyXFunc::handleKeyFunc(kb_action action)
 199 {
 200         char c = keyseq.getiso();
 201
 202         if (keyseq.length != -1) c = 0;
 203
 204         owner->getIntl()->getTrans()
 205                 .deadkey(c, get_accent(action).accent, TEXT(false));
 206         // Need to reset, in case the minibuffer calls these
 207         // actions
 208         keyseq.reset();
 209         keyseq.length = 0;
 210         // copied verbatim from do_accent_char
 211         owner->view()->update(TEXT(false),
 212                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 213         TEXT(false)->sel_cursor = TEXT(false)->cursor;
 214 }
 215
 216
 217 void LyXFunc::processKeySym(KeySym keysym, unsigned int state)
 218 {
 219         string argument;
 220
 221         if (lyxerr.debugging(Debug::KEY)) {
 222                 char const * tmp = XKeysymToString(keysym);
 223                 string const stm = (tmp ? tmp : "");
 224                 lyxerr << "KeySym is "
 225                        << stm
 226                        << "["
 227                        << keysym << "] State is ["
 228                        << state << "]"
 229                        << endl;
 230         }
 231         // Do nothing if we have nothing (JMarc)
 232         if (keysym == NoSymbol) {
 233                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 234                                    << endl;
 235                 //return 0;
 236                 //return FL_PREEMPT;
 237                 return;
 238         }
 239
 240         if (owner->view()->available()) {
 241                 // this function should be used always [asierra060396]
 242                 UpdatableInset * tli = owner->view()->theLockingInset();
 243                 if (tli && (keysym == XK_Escape)) {
 244                         if (tli == tli->GetLockingInset()) {
 245                                 owner->view()->unlockInset(tli);
 246                                 TEXT()->CursorRight(owner->view());
 247                                 moveCursorUpdate(true, false);
 248                                 owner->showState();
 249                         } else {
 250                                 tli->UnlockInsetInInset(owner->view(),
 251                                                         tli->GetLockingInset(),
 252                                                         true);
 253                         }
 254                         //return 0;
 255                         //return FL_PREEMPT;
 256                         return;
 257                 }
 258         }
 259
 260         // Can we be sure that this will work for all X-Windows
 261         // implementations? (Lgb)
 262         // This code snippet makes lyx ignore some keys. Perhaps
 263         // all of them should be explictly mentioned?
 264         if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
 265             || keysym == XK_Mode_switch || keysym == 0x0) {
 266                 //return 0;
 267                 return;
 268         }
 269
 270         // Do a one-deep top-level lookup for
 271         // cancel and meta-fake keys. RVDK_PATCH_5
 272         cancel_meta_seq.reset();
 273
 274         int action = cancel_meta_seq.addkey(keysym, state
 275                                             &(ShiftMask|ControlMask
 276                                               |Mod1Mask));
 277         if (lyxerr.debugging(Debug::KEY)) {
 278                 lyxerr << "action first set to [" << action << "]" << endl;
 279         }
 280
 281         // When not cancel or meta-fake, do the normal lookup.
 282         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 283         // Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
 284         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 285                 if (lyxerr.debugging(Debug::KEY)) {
 286                         lyxerr << "meta_fake_bit is ["
 287                                << meta_fake_bit << "]" << endl;
 288                 }
 289                 // remove Caps Lock and Mod2 as a modifiers
 290                 action = keyseq.addkey(keysym,
 291                                        (state | meta_fake_bit)
 292                                        &(ShiftMask|ControlMask
 293                                          |Mod1Mask));
 294                 if (lyxerr.debugging(Debug::KEY)) {
 295                         lyxerr << "action now set to ["
 296                                << action << "]" << endl;
 297                 }
 298         }
 299         // Dont remove this unless you know what you are doing.
 300         meta_fake_bit = 0;
 301
 302         if (action == 0) action = LFUN_PREFIX;
 303
 304         if (lyxerr.debugging(Debug::KEY)) {
 305                 string buf;
 306                 keyseq.print(buf);
 307                 lyxerr << "Key ["
 308                        << action << "]["
 309                        << buf << "]"
 310                        << endl;
 311         }
 312
 313         // already here we know if it any point in going further
 314         // why not return already here if action == -1 and
 315         // num_bytes == 0? (Lgb)
 316
 317         if (keyseq.length > 1 || keyseq.length < -1) {
 318                 string buf;
 319                 keyseq.print(buf);
 320                 owner->message(buf);
 321         }
 322
 323         if (action == -1) {
 324 #if 0
 325                 if (keyseq.length < -1) { // unknown key sequence...
 326                         string buf;
 327                         keyseq.print(buf);
 328                         owner->message(_("Unknown sequence:") + ' ' + buf);
 329                         return 0;
 330                 }
 331
 332                 char const isochar = keyseq.getiso();
 333                 if (!(state & ControlMask) &&
 334                     !(state & Mod1Mask) &&
 335                     (isochar && keysym < 0xF000)) {
 336                         argument += isochar;
 337                 }
 338                 if (argument.empty()) {
 339                         lyxerr.debug() << "Empty argument!" << endl;
 340                         // This can`t possibly be of any use
 341                         // so we`ll skip the dispatch.
 342                         return 0;
 343                 }
 344 #else
 345                 // It is unknown, but what if we remove all
 346                 // the modifiers? (Lgb)
 347                 action = keyseq.addkey(keysym, 0);
 348
 349                 // We keep the shift state, but remove the others.
 350                 // This is for the sake of the LFUN_SELFINSERT below.
 351                 state &= ShiftMask;
 352
 353                 if (lyxerr.debugging(Debug::KEY)) {
 354                         lyxerr << "Removing modifiers...\n"
 355                                << "Action now set to ["
 356                                << action << "]" << endl;
 357                 }
 358                 if (action == -1) {
 359                         owner->message(_("Unknown function."));
 360                         //return 0;
 361                         return;
 362                 }
 363 #endif
 364         }
 365
 366         if (action == LFUN_SELFINSERT) {
 367                 // We must set the argument to the char looked up by
 368                 // XKeysymToString
 369                 XKeyEvent xke;
 370                 xke.type = KeyPress;
 371                 xke.serial = 0;
 372                 xke.send_event = False;
 373                 xke.display = fl_get_display();
 374                 xke.window = 0;
 375                 xke.root = 0;
 376                 xke.subwindow = 0;
 377                 xke.time = 0;
 378                 xke.x = 0;
 379                 xke.y = 0;
 380                 xke.x_root = 0;
 381                 xke.y_root = 0;
 382                 xke.state = state;
 383                 xke.keycode = XKeysymToKeycode(fl_get_display(), keysym);
 384                 xke.same_screen = True;
 385                 char ret[10];
 386                 KeySym tmpkeysym;
 387                 int const res = XLookupString(&xke, ret, 10, &tmpkeysym, 0);
 388                 //Assert(keysym == tmpkeysym);
 389                 lyxerr[Debug::KEY] << "TmpKeysym ["
 390                                    << tmpkeysym << "]" << endl;
 391
 392                 if (res > 0)
 393                         argument = string(ret, res);
 394
 395                 lyxerr[Debug::KEY] << "SelfInsert arg["
 396                                    << argument << "]" << endl;
 397         }
 398
 399
 400         bool tmp_sc = show_sc;
 401         show_sc = false;
 402         Dispatch(action, argument);
 403         show_sc = tmp_sc;
 404
 405         //return 0;
 406 }
 407
 408
 409 LyXFunc::func_status LyXFunc::getStatus(int ac) const
 410 {
 411         return getStatus(ac, string());
 412 }
 413
 414
 415 LyXFunc::func_status LyXFunc::getStatus(int ac,
 416                                         string const & not_to_use_arg) const
 417 {
 418         kb_action action;
 419         func_status flag = LyXFunc::OK;
 420         string argument;
 421         Buffer * buf = owner->buffer();
 422
 423         if (lyxaction.isPseudoAction(ac))
 424                 action = lyxaction.retrieveActionArg(ac, argument);
 425         else {
 426                 action = static_cast<kb_action>(ac);
 427                 if (!not_to_use_arg.empty())
 428                         argument = not_to_use_arg; // exept here
 429         }
 430
 431         if (action == LFUN_UNKNOWN_ACTION) {
 432                 setErrorMessage(N_("Unknown action"));
 433                 return LyXFunc::Unknown;
 434         }
 435
 436         // Check whether we need a buffer
 437         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 438                 // Yes we need a buffer, do we have one?
 439                 if (buf) {
 440                         // yes
 441                         // Can we use a readonly buffer?
 442                         if (buf->isReadonly() &&
 443                             !lyxaction.funcHasFlag(action,
 444                                                    LyXAction::ReadOnly)) {
 445                                 // no
 446                                 setErrorMessage(N_("Document is read-only"));
 447                                 flag |= LyXFunc::Disabled;
 448                         }
 449                 } else {
 450                         // no
 451                         setErrorMessage(N_("Command not allowed with"
 452                                            "out any document open"));
 453                         flag |= LyXFunc::Disabled;
 454                         return flag;
 455                 }
 456         }
 457
 458         // I would really like to avoid having this switch and rather try to
 459         // encode this in the function itself.
 460         bool disable = false;
 461         switch (action) {
 462         case LFUN_MENUPRINT:
 463                 disable = !Exporter::IsExportable(buf, "dvi")
 464                         || lyxrc.print_command == "none";
 465                 break;
 466         case LFUN_EXPORT:
 467                 disable = argument == "fax" &&
 468                         !Exporter::IsExportable(buf, argument);
 469                 break;
 470         case LFUN_UNDO:
 471                 disable = buf->undostack.empty();
 472                 break;
 473         case LFUN_REDO:
 474                 disable = buf->redostack.empty();
 475                 break;
 476         case LFUN_SPELLCHECK:
 477                 disable = lyxrc.isp_command == "none";
 478                 break;
 479         case LFUN_RUNCHKTEX:
 480                 disable = lyxrc.chktex_command == "none";
 481                 break;
 482         case LFUN_BUILDPROG:
 483                 disable = !Exporter::IsExportable(buf, "program");
 484                 break;
 485
 486         case LFUN_INSERTFOOTNOTE:
 487                 // Disable insertion of floats in a tabular.
 488                 disable = false;
 489                 if (owner->view()->theLockingInset()) {
 490                         disable = (owner->view()->theLockingInset()->LyxCode() == Inset::TABULAR_CODE) ||
 491                                 owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE);
 492                 }
 493                 break;
 494
 495         case LFUN_LAYOUT_TABULAR:
 496                 disable = true;
 497                 if (owner->view()->theLockingInset()) {
 498                         disable = (owner->view()->theLockingInset()->LyxCode() != Inset::TABULAR_CODE) &&
 499                                 !owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE);
 500                 }
 501                 break;
 502
 503         case LFUN_TABULAR_FEATURE:
 504                 disable = true;
 505                 if (owner->view()->theLockingInset()) {
 506                         func_status ret = LyXFunc::Disabled;
 507                         if (owner->view()->theLockingInset()->LyxCode() == Inset::TABULAR_CODE) {
 508                                 ret = static_cast<InsetTabular *>
 509                                         (owner->view()->theLockingInset())->
 510                                         getStatus(argument);
 511                         } else if (owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 512                                 ret = static_cast<InsetTabular *>
 513                                         (owner->view()->theLockingInset()->
 514                                         GetFirstLockingInsetOfType(Inset::TABULAR_CODE))->
 515                                         getStatus(argument);
 516                         }
 517                         flag |= ret;
 518                         disable = false;
 519                 } else {
 520                     static InsetTabular inset(*owner->buffer(), 1, 1);
 521                     func_status ret;
 522
 523                     disable = true;
 524                     ret = inset.getStatus(argument);
 525                     if ((ret & LyXFunc::ToggleOn) ||
 526                         (ret & LyXFunc::ToggleOff))
 527                         flag |= LyXFunc::ToggleOff;
 528                 }
 529                 break;
 530
 531         case LFUN_VC_REGISTER:
 532                 disable = buf->lyxvc.inUse();
 533                 break;
 534         case LFUN_VC_CHECKIN:
 535                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 536                 break;
 537         case LFUN_VC_CHECKOUT:
 538                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 539                 break;
 540         case LFUN_VC_REVERT:
 541         case LFUN_VC_UNDO:
 542         case LFUN_VC_HISTORY:
 543                 disable = !buf->lyxvc.inUse();
 544                 break;
 545         case LFUN_BOOKMARK_GOTO:
 546                 disable =  !owner->view()->
 547                         isSavedPosition(strToUnsignedInt(argument));
 548         default:
 549                 break;
 550         }
 551         if (disable)
 552                 flag |= LyXFunc::Disabled;
 553
 554         if (buf) {
 555                 func_status box = LyXFunc::ToggleOff;
 556                 LyXFont const & font =
 557                         TEXT(false)->real_current_font;
 558                 switch (action) {
 559                 case LFUN_EMPH:
 560                         if (font.emph() == LyXFont::ON)
 561                                 box = LyXFunc::ToggleOn;
 562                         break;
 563                 case LFUN_NOUN:
 564                         if (font.noun() == LyXFont::ON)
 565                                 box = LyXFunc::ToggleOn;
 566                         break;
 567                 case LFUN_BOLD:
 568                         if (font.series() == LyXFont::BOLD_SERIES)
 569                                 box = LyXFunc::ToggleOn;
 570                         break;
 571                 case LFUN_TEX:
 572                         if (font.latex() == LyXFont::ON)
 573                                 box = LyXFunc::ToggleOn;
 574                         break;
 575                 default:
 576                         box = LyXFunc::OK;
 577                         break;
 578                 }
 579                 flag |= box;
 580         }
 581
 582         return flag;
 583 }
 584
 585
 586 // temporary dispatch method
 587 void LyXFunc::miniDispatch(string const & s)
 588 {
 589         Dispatch(s);
 590 }
 591
 592
 593 string const LyXFunc::Dispatch(string const & s)
 594 {
 595         // Split command string into command and argument
 596         string cmd;
 597         string line = frontStrip(s);
 598         string arg = strip(frontStrip(split(line, cmd, ' ')));
 599
 600         return Dispatch(lyxaction.LookupFunc(cmd), arg);
 601 }
 602
 603
 604 string const LyXFunc::Dispatch(int ac,
 605                                string const & do_not_use_this_arg)
 606 {
 607         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << ac
 608                               <<"] arg[" << do_not_use_this_arg << "]" << endl;
 609
 610         string argument;
 611         kb_action action;
 612
 613         // we have not done anything wrong yet.
 614         errorstat = false;
 615         dispatch_buffer.erase();
 616
 617         // if action is a pseudo-action, we need the real action
 618         if (lyxaction.isPseudoAction(ac)) {
 619                 string tmparg;
 620                 action = static_cast<kb_action>
 621                         (lyxaction.retrieveActionArg(ac, tmparg));
 622                 if (!tmparg.empty())
 623                         argument = tmparg;
 624         } else {
 625                 action = static_cast<kb_action>(ac);
 626                 if (!do_not_use_this_arg.empty())
 627                         argument = do_not_use_this_arg; // except here
 628         }
 629
 630         selection_possible = false;
 631
 632         if (owner->view()->available())
 633                 owner->view()->hideCursor();
 634
 635         // We cannot use this function here
 636         if (getStatus(ac, do_not_use_this_arg) & Disabled)
 637                 goto exit_with_message;
 638
 639         commandshortcut.erase();
 640
 641         if (lyxrc.display_shortcuts && show_sc) {
 642                 if (action != LFUN_SELFINSERT) {
 643                         // Put name of command and list of shortcuts
 644                         // for it in minibuffer
 645                         string comname = lyxaction.getActionName(action);
 646
 647                         int pseudoaction = action;
 648                         bool argsadded = false;
 649
 650                         if (!argument.empty()) {
 651                                 // If we have the command with argument,
 652                                 // this is better
 653                                 pseudoaction =
 654                                         lyxaction.searchActionArg(action,
 655                                                                   argument);
 656
 657                                 if (pseudoaction == -1) {
 658                                         pseudoaction = action;
 659                                 } else {
 660                                         comname += " " + argument;
 661                                         argsadded = true;
 662                                 }
 663                         }
 664
 665                         string const shortcuts =
 666                                 toplevel_keymap->findbinding(pseudoaction);
 667
 668                         if (!shortcuts.empty()) {
 669                                 comname += ": " + shortcuts;
 670                         } else if (!argsadded) {
 671                                 comname += " " + argument;
 672                         }
 673
 674                         if (!comname.empty()) {
 675                                 comname = strip(comname);
 676                                 commandshortcut = "(" + comname + ')';
 677                                 owner->message(commandshortcut);
 678
 679                                 // Here we could even add a small pause,
 680                                 // to annoy the user and make him learn
 681                                 // the shortcuts.
 682                                 // No! That will just annoy, not teach
 683                                 // anything. The user will read the messages
 684                                 // if they are interested. (Asger)
 685                         }
 686                 }
 687         }
 688
 689         if (owner->view()->available() && owner->view()->theLockingInset()) {
 690                 UpdatableInset::RESULT result;
 691                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 692                                      (keyseq.length >= -1)))
 693                 {
 694                         if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
 695                                 argument = keyseq.getiso();
 696                         }
 697                         // Undo/Redo pre 0.13 is a bit tricky for insets.
 698                         if (action == LFUN_UNDO) {
 699                                 int slx;
 700                                 int sly;
 701                                 UpdatableInset * inset =
 702                                         owner->view()->theLockingInset();
 703                                 inset->GetCursorPos(owner->view(), slx, sly);
 704                                 owner->view()->unlockInset(inset);
 705                                 owner->view()->menuUndo();
 706                                 if (TEXT()->cursor.par()->
 707                                     IsInset(TEXT()->cursor.pos())) {
 708                                         inset = static_cast<UpdatableInset*>(
 709                                                 TEXT()->cursor.par()->
 710                                                 GetInset(TEXT()->
 711                                                          cursor.pos()));
 712                                 } else {
 713                                         inset = 0;
 714                                 }
 715                                 if (inset)
 716                                         inset->Edit(owner->view(),slx,sly,0);
 717                                 return string();
 718                         } else if (action == LFUN_REDO) {
 719                                 int slx;
 720                                 int sly;
 721                                 UpdatableInset * inset = owner->view()->
 722                                         theLockingInset();
 723                                 inset->GetCursorPos(owner->view(), slx, sly);
 724                                 owner->view()->unlockInset(inset);
 725                                 owner->view()->menuRedo();
 726                                 inset = static_cast<UpdatableInset*>(
 727                                         TEXT()->cursor.par()->
 728                                         GetInset(TEXT()->
 729                                                  cursor.pos()));
 730                                 if (inset)
 731                                         inset->Edit(owner->view(),slx,sly,0);
 732                                 return string();
 733                         } else if (((result=owner->view()->theLockingInset()->
 734                                    LocalDispatch(owner->view(), action,
 735                                                  argument)) ==
 736                                    UpdatableInset::DISPATCHED) ||
 737                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 738                                 return string();
 739                         else {
 740                                 //setMessage(N_("Text mode"));
 741                                 switch (action) {
 742                                 case LFUN_UNKNOWN_ACTION:
 743                                 case LFUN_BREAKPARAGRAPH:
 744                                 case LFUN_BREAKLINE:
 745                                         TEXT()->CursorRight(owner->view());
 746                                         owner->view()->setState();
 747                                         owner->showState();
 748                                         break;
 749                                 case LFUN_RIGHT:
 750                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 751                                                 TEXT()->CursorRight(owner->view());
 752                                                 moveCursorUpdate(true, false);
 753                                                 owner->showState();
 754                                         }
 755                                         return string();
 756                                 case LFUN_LEFT:
 757                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 758                                                 TEXT()->CursorRight(owner->view());
 759                                                 moveCursorUpdate(true, false);
 760                                                 owner->showState();
 761                                         }
 762                                         return string();
 763                                 case LFUN_DOWN:
 764                                         TEXT()->CursorDown(owner->view());
 765                                         moveCursorUpdate(true, false);
 766                                         owner->showState();
 767                                         return string();
 768                                 default:
 769                                         break;
 770                                 }
 771                         }
 772                 }
 773         }
 774
 775         lyx::Assert(action != LFUN_SELECT_FILE_SYNC);
 776
 777         switch (action) {
 778                 // --- Misc -------------------------------------------
 779         case LFUN_WORDFINDFORWARD  :
 780         case LFUN_WORDFINDBACKWARD : {
 781                 static string last_search;
 782                 string searched_string;
 783
 784                 if (!argument.empty()) {
 785                         last_search = argument;
 786                         searched_string = argument;
 787                 } else {
 788                         searched_string = last_search;
 789                 }
 790
 791                 if (!searched_string.empty() &&
 792                     ((action == LFUN_WORDFINDBACKWARD) ?
 793                      SearchBackward(owner->view(), searched_string) :
 794                      SearchForward(owner->view(), searched_string))) {
 795
 796                         // ??? What is that ???
 797                         owner->view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 798
 799                         // ??? Needed ???
 800                         // clear the selection (if there is any)
 801                         owner->view()->toggleSelection();
 802                         TEXT()->ClearSelection(owner->view());
 803
 804                         // Move cursor so that successive C-s 's will not stand in place.
 805                         if (action == LFUN_WORDFINDFORWARD )
 806                                 TEXT()->CursorRightOneWord(owner->view());
 807                         TEXT()->FinishUndo();
 808                         moveCursorUpdate(true, false);
 809
 810                         // ??? Needed ???
 811                         // set the new selection
 812                         // SetSelectionOverLenChars(owner->view()->currentBuffer()->text, iLenSelected);
 813                         owner->view()->toggleSelection(false);
 814                 }
 815
 816                 // REMOVED : if (owner->view()->getWorkArea()->focus)
 817                 owner->view()->showCursor();
 818         }
 819         break;
 820
 821         case LFUN_PREFIX:
 822         {
 823                 if (owner->view()->available()) {
 824                         owner->view()->update(TEXT(),
 825                                               BufferView::SELECT|BufferView::FITCUR);
 826                 }
 827                 string buf;
 828                 keyseq.print(buf, true);
 829                 //owner->getMiniBuffer()->Set(buf, string(), string(), 1);
 830                 owner->message(buf);
 831         }
 832         break;
 833
 834         // --- Misc -------------------------------------------
 835         case LFUN_EXEC_COMMAND:
 836         {
 837                 std::vector<string> allCmds;
 838                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
 839                                std::back_inserter(allCmds), lyx::firster());
 840                 static std::vector<string> hist;
 841                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
 842                                                   allCmds, hist);
 843         }
 844         break;
 845
 846         case LFUN_CANCEL:                   // RVDK_PATCH_5
 847                 keyseq.reset();
 848                 meta_fake_bit = 0;
 849                 if (owner->view()->available())
 850                         // cancel any selection
 851                         Dispatch(LFUN_MARK_OFF);
 852                 setMessage(N_("Cancel"));
 853                 break;
 854
 855         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 856         {
 857                 meta_fake_bit = Mod1Mask;
 858                 string buf;
 859                 keyseq.print(buf, true);
 860                 setMessage(buf); // RVDK_PATCH_5
 861         }
 862         break;
 863
 864         case LFUN_READ_ONLY_TOGGLE:
 865                 if (owner->buffer()->lyxvc.inUse()) {
 866                         owner->buffer()->lyxvc.toggleReadOnly();
 867                 } else {
 868                         owner->buffer()->setReadonly(
 869                                 !owner->buffer()->isReadonly());
 870                 }
 871                 break;
 872
 873         case LFUN_CENTER: // this is center and redraw.
 874                 owner->view()->center();
 875                 break;
 876
 877                 // --- Menus -----------------------------------------------
 878         case LFUN_MENUNEW:
 879                 MenuNew(false);
 880                 break;
 881
 882         case LFUN_MENUNEWTMPLT:
 883                 MenuNew(true);
 884                 break;
 885
 886         case LFUN_CLOSEBUFFER:
 887                 CloseBuffer();
 888                 break;
 889
 890         case LFUN_MENUWRITE:
 891                 if (!owner->buffer()->isUnnamed()) {
 892                         string const s1 = _("Saving document") + ' '
 893                                 + MakeDisplayPath(owner->buffer()->fileName()
 894                                                   + "...");
 895
 896                         owner->message(s1);
 897                         MenuWrite(owner->view(), owner->buffer());
 898                 } else
 899                         WriteAs(owner->view(), owner->buffer());
 900                 break;
 901
 902         case LFUN_WRITEAS:
 903                 WriteAs(owner->view(), owner->buffer(), argument);
 904                 break;
 905
 906         case LFUN_MENURELOAD:
 907                 reloadBuffer();
 908                 break;
 909
 910         case LFUN_UPDATE:
 911                 Exporter::Export(owner->buffer(), argument, true);
 912                 break;
 913
 914         case LFUN_PREVIEW:
 915                 Exporter::Preview(owner->buffer(), argument);
 916                 break;
 917
 918         case LFUN_BUILDPROG:
 919                 Exporter::Export(owner->buffer(), "program", true);
 920                 break;
 921
 922         case LFUN_RUNCHKTEX:
 923                 MenuRunChktex(owner->buffer());
 924                 break;
 925
 926         case LFUN_MENUPRINT:
 927                 owner->getDialogs()->showPrint();
 928                 break;
 929
 930         case LFUN_EXPORT:
 931                 if (argument == "custom")
 932                         MenuSendto();
 933                 else
 934                         Exporter::Export(owner->buffer(), argument, false);
 935                 break;
 936
 937         case LFUN_IMPORT:
 938                 doImport(argument);
 939                 break;
 940
 941         case LFUN_QUIT:
 942                 QuitLyX();
 943                 break;
 944
 945         case LFUN_TOCVIEW:
 946 #if 0
 947         case LFUN_LOFVIEW:
 948         case LFUN_LOTVIEW:
 949         case LFUN_LOAVIEW:
 950 #endif
 951         {
 952                 InsetCommandParams p;
 953
 954 #if 0
 955                 if (action == LFUN_TOCVIEW)
 956 #endif
 957                         p.setCmdName("tableofcontents");
 958 #if 0
 959                 else if (action == LFUN_LOAVIEW )
 960                         p.setCmdName("listof{algorithm}{List of Algorithms}");
 961                 else if (action == LFUN_LOFVIEW)
 962                         p.setCmdName("listoffigures");
 963                 else
 964                         p.setCmdName("listoftables");
 965 #endif
 966                 owner->getDialogs()->createTOC(p.getAsString());
 967                 break;
 968         }
 969
 970         case LFUN_DIALOG_TABULAR_INSERT:
 971                 owner->getDialogs()->showTabularCreate();
 972                 break;
 973
 974         case LFUN_FIGURE:
 975                 Figure();
 976                 break;
 977
 978         case LFUN_AUTOSAVE:
 979                 AutoSave(owner->view());
 980                 break;
 981
 982         case LFUN_UNDO:
 983                 owner->view()->menuUndo();
 984                 break;
 985
 986         case LFUN_REDO:
 987                 owner->view()->menuRedo();
 988                 break;
 989
 990         case LFUN_MENUSEARCH:
 991                 owner->getDialogs()->showSearch();
 992                 break;
 993
 994         case LFUN_REMOVEERRORS:
 995                 if (owner->view()->removeAutoInsets()) {
 996                         owner->view()->redraw();
 997                         owner->view()->fitCursor(TEXT());
 998                 }
 999                 break;
1000
1001         case LFUN_HYPHENATION:
1002                 owner->view()->hyphenationPoint();
1003                 break;
1004
1005         case LFUN_LDOTS:
1006                 owner->view()->ldots();
1007                 break;
1008
1009         case LFUN_END_OF_SENTENCE:
1010                 owner->view()->endOfSentenceDot();
1011                 break;
1012
1013         case LFUN_MENU_SEPARATOR:
1014                 owner->view()->menuSeparator();
1015                 break;
1016
1017         case LFUN_HFILL:
1018                 owner->view()->hfill();
1019                 break;
1020
1021         case LFUN_DEPTH:
1022                 changeDepth(owner->view(), TEXT(false), 0);
1023                 break;
1024
1025         case LFUN_DEPTH_MIN:
1026                 changeDepth(owner->view(), TEXT(false), -1);
1027                 break;
1028
1029         case LFUN_DEPTH_PLUS:
1030                 changeDepth(owner->view(), TEXT(false), 1);
1031                 break;
1032
1033         case LFUN_FREE:
1034                 owner->getDialogs()->setUserFreeFont();
1035                 break;
1036
1037         case LFUN_TEX:
1038                 Tex(owner->view());
1039                 owner->view()->setState();
1040                 owner->showState();
1041                 break;
1042
1043         case LFUN_RECONFIGURE:
1044                 Reconfigure(owner->view());
1045                 break;
1046
1047 #if 0
1048         case LFUN_FLOATSOPERATE:
1049                 if (argument == "openfoot")
1050                         owner->view()->allFloats(1,0);
1051                 else if (argument == "closefoot")
1052                         owner->view()->allFloats(0,0);
1053                 else if (argument == "openfig")
1054                         owner->view()->allFloats(1,1);
1055                 else if (argument == "closefig")
1056                         owner->view()->allFloats(0,1);
1057                 break;
1058 #else
1059 #ifdef WITH_WARNINGS
1060 #warning Find another implementation here (or another lyxfunc)!
1061 #endif
1062 #endif
1063         case LFUN_HELP_COPYRIGHT:
1064                 owner->getDialogs()->showCopyright();
1065                 break;
1066
1067         case LFUN_HELP_CREDITS:
1068                 owner->getDialogs()->showCredits();
1069                 break;
1070
1071         case LFUN_HELP_OPEN:
1072         {
1073                 string const arg = argument;
1074                 if (arg.empty()) {
1075                         setErrorMessage(N_("Missing argument"));
1076                         break;
1077                 }
1078                 ProhibitInput(owner->view());
1079                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1080                 if (fname.empty()) {
1081                         lyxerr << "LyX: unable to find documentation file `"
1082                                << arg << "'. Bad installation?" << endl;
1083                         AllowInput(owner->view());
1084                         break;
1085                 }
1086                 string const str = _("Opening help file") + ' '
1087                         + MakeDisplayPath(fname) + "...";
1088
1089                 owner->message(str);
1090                 owner->view()->buffer(bufferlist.loadLyXFile(fname,false));
1091                 AllowInput(owner->view());
1092                 break;
1093         }
1094
1095         case LFUN_HELP_VERSION: {
1096                 ProhibitInput(owner->view());
1097                 string msg(_("LyX Version "));
1098                 msg += LYX_VERSION;
1099                 msg += " of ";
1100                 msg += LYX_RELEASE;
1101                 fl_show_message(msg.c_str(),
1102                                 (_("Library directory: ")
1103                                  + MakeDisplayPath(system_lyxdir)).c_str(),
1104                                 (_("User directory: ")
1105                                  + MakeDisplayPath(user_lyxdir)).c_str());
1106                 AllowInput(owner->view());
1107                 break;
1108         }
1109
1110                 // --- version control -------------------------------
1111         case LFUN_VC_REGISTER:
1112         {
1113                 if (!owner->buffer()->lyxvc.inUse())
1114                         owner->buffer()->lyxvc.registrer();
1115         }
1116         break;
1117
1118         case LFUN_VC_CHECKIN:
1119         {
1120                 if (owner->buffer()->lyxvc.inUse()
1121                     && !owner->buffer()->isReadonly())
1122                         owner->buffer()->lyxvc.checkIn();
1123         }
1124         break;
1125
1126         case LFUN_VC_CHECKOUT:
1127         {
1128                 if (owner->buffer()->lyxvc.inUse()
1129                     && owner->buffer()->isReadonly())
1130                         owner->buffer()->lyxvc.checkOut();
1131         }
1132         break;
1133
1134         case LFUN_VC_REVERT:
1135         {
1136                 owner->buffer()->lyxvc.revert();
1137         }
1138         break;
1139
1140         case LFUN_VC_UNDO:
1141         {
1142                 owner->buffer()->lyxvc.undoLast();
1143         }
1144         break;
1145
1146         case LFUN_VC_HISTORY:
1147         {
1148                 owner->getDialogs()->showVCLogFile();
1149                 break;
1150         }
1151
1152         // --- buffers ----------------------------------------
1153
1154         case LFUN_SWITCHBUFFER:
1155                 owner->view()->buffer(bufferlist.getBuffer(argument));
1156                 break;
1157
1158         case LFUN_FILE_NEW:
1159         {
1160                 // servercmd: argument must be <file>:<template>
1161                 Buffer * tmpbuf = NewLyxFile(argument);
1162                 if (tmpbuf)
1163                         owner->view()->buffer(tmpbuf);
1164         }
1165         break;
1166
1167         case LFUN_FILE_OPEN:
1168                 Open(argument);
1169                 break;
1170
1171         case LFUN_LATEX_LOG:
1172                 owner->getDialogs()->showLogFile();
1173                 break;
1174
1175         case LFUN_LAYOUTNO:
1176         {
1177                 lyxerr.debug() << "LFUN_LAYOUTNO: (arg) " << argument << endl;
1178                 int sel = strToInt(argument);
1179                 lyxerr.debug() << "LFUN_LAYOUTNO: (sel) "<< sel << endl;
1180
1181                 // Should this give a setMessage instead?
1182                 if (sel == 0)
1183                         return string(); // illegal argument
1184
1185                 --sel; // sel 1..., but layout 0...
1186
1187                 // Pretend we got the name instead.
1188                 Dispatch(int(LFUN_LAYOUT),
1189                          textclasslist.NameOfLayout(owner->view()
1190                                                     ->buffer()->params.textclass,
1191                                                     sel));
1192                 return string();
1193         }
1194
1195         case LFUN_LAYOUT_DOCUMENT:
1196                 owner->getDialogs()->showLayoutDocument();
1197                 break;
1198
1199         case LFUN_LAYOUT_PARAGRAPH:
1200                 owner->getDialogs()->showLayoutParagraph();
1201                 break;
1202
1203         case LFUN_LAYOUT_CHARACTER:
1204                 owner->getDialogs()->showLayoutCharacter();
1205                 break;
1206
1207         case LFUN_LAYOUT_TABULAR:
1208             if (owner->view()->theLockingInset()) {
1209                 if (owner->view()->theLockingInset()->LyxCode()==Inset::TABULAR_CODE) {
1210                     InsetTabular * inset = static_cast<InsetTabular *>
1211                         (owner->view()->theLockingInset());
1212                     inset->OpenLayoutDialog(owner->view());
1213                 } else if (owner->view()->theLockingInset()->
1214                            GetFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1215                     InsetTabular * inset = static_cast<InsetTabular *>(
1216                         owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE));
1217                     inset->OpenLayoutDialog(owner->view());
1218                 }
1219             }
1220             break;
1221
1222         case LFUN_LAYOUT_PREAMBLE:
1223                 owner->getDialogs()->showPreamble();
1224                 break;
1225
1226         case LFUN_LAYOUT_SAVE_DEFAULT:
1227                 MenuLayoutSave(owner->view());
1228                 break;
1229
1230         case LFUN_DROP_LAYOUTS_CHOICE:
1231                 owner->getToolbar()->openLayoutList();
1232                 break;
1233
1234         case LFUN_MENU_OPEN_BY_NAME:
1235                 owner->getMenubar()->openByName(argument);
1236                 break; // RVDK_PATCH_5
1237
1238         case LFUN_SPELLCHECK:
1239                 if (lyxrc.isp_command != "none")
1240                         ShowSpellChecker(owner->view());
1241                 break; // RVDK_PATCH_5
1242
1243         // --- lyxserver commands ----------------------------
1244
1245
1246         case LFUN_GETNAME:
1247                 setMessage(owner->buffer()->fileName());
1248                 lyxerr.debug() << "FNAME["
1249                                << owner->buffer()->fileName()
1250                                << "] " << endl;
1251                 break;
1252
1253         case LFUN_NOTIFY:
1254         {
1255                 string buf;
1256                 keyseq.print(buf);
1257                 dispatch_buffer = buf;
1258                 lyxserver->notifyClient(dispatch_buffer);
1259         }
1260         break;
1261
1262         case LFUN_GOTOFILEROW:
1263         {
1264                 char file_name[100];
1265                 int row;
1266                 ::sscanf(argument.c_str(), " %s %d", file_name, &row);
1267
1268                 // Must replace extension of the file to be .lyx and get full path
1269                 string s = ChangeExtension(string(file_name), ".lyx");
1270
1271                 // Either change buffer or load the file
1272                 if (bufferlist.exists(s))
1273                         owner->view()->buffer(bufferlist.getBuffer(s));
1274                 else
1275                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1276
1277                 // Set the cursor
1278                 owner->view()->setCursorFromRow(row);
1279
1280                 // Recenter screen
1281                 owner->view()->center();
1282         }
1283         break;
1284
1285         case LFUN_GOTO_PARAGRAPH:
1286         {
1287                 istringstream istr(argument.c_str());
1288
1289                 int id;
1290                 istr >> id;
1291                 LyXParagraph * par = TEXT()->GetParFromID(id);
1292                 if (par == 0)
1293                         break;
1294
1295                 // Set the cursor
1296                 TEXT()->SetCursor(owner->view(), par, 0);
1297                 owner->view()->setState();
1298                 owner->showState();
1299
1300                 // Recenter screen
1301                 owner->view()->center();
1302         }
1303         break;
1304
1305         case LFUN_APROPOS:
1306         case LFUN_GETTIP:
1307         {
1308                 int const qa = lyxaction.LookupFunc(argument);
1309                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1310         }
1311         break;
1312
1313         // --- toolbar ----------------------------------
1314         case LFUN_PUSH_TOOLBAR:
1315         {
1316                 int nth = strToInt(argument);
1317                 if (nth <= 0) {
1318                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1319                 } else {
1320                         owner->getToolbar()->push(nth);
1321                 }
1322         }
1323         break;
1324
1325         case LFUN_ADD_TO_TOOLBAR:
1326         {
1327                 if (lyxerr.debugging(Debug::GUI)) {
1328                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1329                                 "argument = `" << argument << '\'' << endl;
1330                 }
1331                 string tmp(argument);
1332                 //lyxerr <<string("Argument: ") + argument);
1333                 //lyxerr <<string("Tmp     : ") + tmp);
1334                 if (tmp.empty()) {
1335                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1336                 } else {
1337                         owner->getToolbar()->add(argument, false);
1338                         owner->getToolbar()->set();
1339                 }
1340         }
1341         break;
1342
1343         // --- insert characters ----------------------------------------
1344
1345         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1346
1347         // Greek mode
1348         case LFUN_GREEK:
1349         {
1350                 if (!greek_kb_flag) {
1351                         greek_kb_flag = 1;
1352                         setMessage(N_("Math greek mode on"));
1353                 } else
1354                         greek_kb_flag = 0;
1355         }
1356         break;
1357
1358         // Greek keyboard
1359         case LFUN_GREEK_TOGGLE:
1360         {
1361                 greek_kb_flag = greek_kb_flag ? 0 : 2;
1362                 if (greek_kb_flag) {
1363                         setMessage(N_("Math greek keyboard on"));
1364                 } else {
1365                         setMessage(N_("Math greek keyboard off"));
1366                 }
1367         }
1368         break;
1369
1370         case LFUN_MATH_EXTERN:
1371         case LFUN_MATH_NUMBER:
1372         case LFUN_MATH_LIMITS:
1373         {
1374                 setErrorMessage(N_("This is only allowed in math mode!"));
1375         }
1376         break;
1377
1378         case LFUN_MATH_PANEL:
1379                 owner->getDialogs()->showMathPanel();
1380                 break;
1381
1382         case LFUN_CITATION_CREATE:
1383         {
1384                 InsetCommandParams p( "cite" );
1385
1386                 if (!argument.empty()) {
1387                         // This should be set at source, ie when typing
1388                         // "citation-insert foo" in the minibuffer.
1389                         // Question: would pybibliographer also need to be
1390                         // changed. Suspect so. Leave as-is therefore.
1391                         if (contains(argument, "|")) {
1392                                 p.setContents( token(argument, '|', 0) );
1393                                 p.setOptions(  token(argument, '|', 1) );
1394                         } else {
1395                                 p.setContents( argument );
1396                         }
1397                         Dispatch(LFUN_CITATION_INSERT, p.getAsString());
1398                 } else
1399                         owner->getDialogs()->createCitation( p.getAsString() );
1400         }
1401         break;
1402
1403         case LFUN_CHILDOPEN:
1404         {
1405                 string const filename =
1406                         MakeAbsPath(argument,
1407                                     OnlyPath(owner->buffer()->fileName()));
1408                 setMessage(N_("Opening child document ") +
1409                            MakeDisplayPath(filename) + "...");
1410                 owner->view()->savePosition(0);
1411                 if (bufferlist.exists(filename))
1412                         owner->view()->buffer(bufferlist.getBuffer(filename));
1413                 else
1414                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1415         }
1416         break;
1417
1418         case LFUN_TOGGLECURSORFOLLOW:
1419                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1420                 break;
1421
1422         case LFUN_KMAP_OFF:             // keymap off
1423                 owner->getIntl()->KeyMapOn(false);
1424                 break;
1425
1426         case LFUN_KMAP_PRIM:    // primary keymap
1427                 owner->getIntl()->KeyMapPrim();
1428                 break;
1429
1430         case LFUN_KMAP_SEC:             // secondary keymap
1431                 owner->getIntl()->KeyMapSec();
1432                 break;
1433
1434         case LFUN_KMAP_TOGGLE:  // toggle keymap
1435                 owner->getIntl()->ToggleKeyMap();
1436                 break;
1437
1438         case LFUN_SEQUENCE:
1439         {
1440                 // argument contains ';'-terminated commands
1441                 while (argument.find(';') != string::npos) {
1442                         string first;
1443                         argument = split(argument, first, ';');
1444                         Dispatch(first);
1445                 }
1446         }
1447         break;
1448
1449         case LFUN_DIALOG_PREFERENCES:
1450                 owner->getDialogs()->showPreferences();
1451                 break;
1452
1453         case LFUN_SAVEPREFERENCES:
1454         {
1455                 Path p(user_lyxdir);
1456                 lyxrc.write("preferences");
1457         }
1458         break;
1459
1460         case LFUN_SCREEN_FONT_UPDATE:
1461         {
1462                 // handle the screen font changes.
1463                 //
1464                 lyxrc.set_font_norm_type();
1465                 fontloader.update();
1466                 // Of course we should only do the resize and the textcache.clear
1467                 // if values really changed...but not very important right now. (Lgb)
1468                 // All buffers will need resize
1469                 bufferlist.resize();
1470                 // We also need to empty the textcache so that
1471                 // the buffer will be formatted correctly after
1472                 // a zoom change.
1473                 textcache.clear();
1474         }
1475         break;
1476
1477         case LFUN_SET_COLOR:
1478         {
1479                 string lyx_name;
1480                 string const x11_name = split(argument, lyx_name, ' ');
1481                 if (lyx_name.empty() || x11_name.empty()) {
1482                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1483                                                 " <x11_name>"));
1484                         break;
1485                         }
1486
1487                 if (!lcolor.setColor(lyx_name, x11_name)) {
1488                         static string const err1 (N_("Set-color \""));
1489                         static string const err2 (
1490                                 N_("\" failed - color is undefined "
1491                                    "or may not be redefined"));
1492                         setErrorMessage(_(err1) + lyx_name + _(err2));
1493                         break;
1494                 }
1495                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1496                 owner->view()->redraw();
1497                 break;
1498         }
1499
1500         case LFUN_MESSAGE:
1501                 owner->message(argument);
1502                 break;
1503
1504         case LFUN_MESSAGE_PUSH:
1505                 owner->messagePush(argument);
1506                 break;
1507
1508         case LFUN_MESSAGE_POP:
1509                 owner->messagePop();
1510                 break;
1511
1512         default:
1513                 // Then if it was none of the above
1514                 if (!owner->view()->Dispatch(action, argument))
1515                         lyxerr << "A truly unknown func ["
1516                                << action << "]!" << endl;
1517                 break;
1518         } // end of switch
1519
1520 exit_with_message:
1521
1522         string const res = getMessage();
1523
1524         if (res.empty()) {
1525                 if (!commandshortcut.empty()) {
1526                         owner->getMiniBuffer()->addSet(commandshortcut);
1527                 }
1528         } else {
1529                 string const msg(_(res) + ' ' + commandshortcut);
1530                 owner->message(msg);
1531         }
1532
1533         return res;
1534 }
1535
1536
1537 void LyXFunc::setupLocalKeymap()
1538 {
1539         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1540         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1541 }
1542
1543
1544 void LyXFunc::MenuNew(bool fromTemplate)
1545 {
1546         string initpath = lyxrc.document_path;
1547
1548         if (owner->view()->available()) {
1549                 string const trypath = owner->buffer()->filepath;
1550                 // If directory is writeable, use this as default.
1551                 if (IsDirWriteable(trypath) == 1)
1552                         initpath = trypath;
1553         }
1554
1555         static int newfile_number = 0;
1556         string s;
1557
1558         if (lyxrc.new_ask_filename) {
1559                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1560                                    LFUN_SELECT_FILE_SYNC,
1561                         make_pair(string(_("Documents")),
1562                                   string(lyxrc.document_path)),
1563                         make_pair(string(_("Templates")),
1564                                   string(lyxrc.template_path)));
1565
1566                 FileDialog::Result result =
1567                         fileDlg.Select(initpath,
1568                                        _("*.lyx|LyX Documents (*.lyx)"),
1569                                        _("newfile"));
1570
1571                 if (result.second.empty()) {
1572                         owner->message(_("Canceled."));
1573                         lyxerr.debug() << "New Document Cancelled." << endl;
1574                         return;
1575                 }
1576
1577                 // get absolute path of file and make sure the filename ends
1578                 // with .lyx
1579                 s = MakeAbsPath(result.second);
1580                 if (!IsLyXFilename(s))
1581                         s += ".lyx";
1582
1583                 // Check if the document already is open
1584                 if (bufferlist.exists(s)) {
1585                         switch (AskConfirmation(_("Document is already open:"),
1586                                                 MakeDisplayPath(s, 50),
1587                                                 _("Do you want to close that document now?\n"
1588                                                   "('No' will just switch to the open version)")))
1589                         {
1590                         case 1: // Yes: close the document
1591                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1592                                 // If close is canceled, we cancel here too.
1593                                         return;
1594                                 break;
1595                         case 2: // No: switch to the open document
1596                                 owner->view()->buffer(bufferlist.getBuffer(s));
1597                                 return;
1598                         case 3: // Cancel: Do nothing
1599                                 owner->message(_("Canceled."));
1600                                 return;
1601                         }
1602                 }
1603                 // Check whether the file already exists
1604                 if (IsLyXFilename(s)) {
1605                         FileInfo fi(s);
1606                         if (fi.readable() &&
1607                             AskQuestion(_("File already exists:"),
1608                                         MakeDisplayPath(s, 50),
1609                                         _("Do you want to open the document?"))) {
1610                                 // loads document
1611                                 owner->message(_("Opening document") + ' '
1612                                                + MakeDisplayPath(s) + "...");
1613                                 XFlush(fl_get_display());
1614                                 owner->view()->buffer(
1615                                         bufferlist.loadLyXFile(s));
1616                                 owner->message(_("Document") + ' '
1617                                                + MakeDisplayPath(s) + ' '
1618                                                + _("opened."));
1619                                 return;
1620                         }
1621                 }
1622         } else {
1623                 s = AddName(lyxrc.document_path,
1624                             "newfile" + tostr(++newfile_number) + ".lyx");
1625                 FileInfo fi(s);
1626                 while (bufferlist.exists(s) || fi.readable()) {
1627                         ++newfile_number;
1628                         s = AddName(lyxrc.document_path,
1629                                     "newfile" + tostr(newfile_number) +
1630                                     ".lyx");
1631                         fi.newFile(s);
1632                 }
1633         }
1634
1635         // The template stuff
1636         string templname;
1637         if (fromTemplate) {
1638                 FileDialog fileDlg(owner, _("Select template file"),
1639                         LFUN_SELECT_FILE_SYNC,
1640                         make_pair(string(_("Documents")),
1641                                   string(lyxrc.document_path)),
1642                         make_pair(string(_("Templates")),
1643                                   string(lyxrc.template_path)));
1644
1645                 FileDialog::Result result =
1646                         fileDlg.Select(initpath,
1647                                        _("*.lyx|LyX Documents (*.lyx)"));
1648
1649                 if (result.first == FileDialog::Later)
1650                         return;
1651
1652                 string const fname = result.second;
1653
1654                 if (fname.empty())
1655                         return;
1656                 templname = fname;
1657         }
1658
1659         // find a free buffer
1660         lyxerr.debug() << "Find a free buffer." << endl;
1661         owner->view()->buffer(bufferlist.newFile(s, templname));
1662 }
1663
1664
1665 void LyXFunc::Open(string const & fname)
1666 {
1667         string initpath = lyxrc.document_path;
1668
1669         if (owner->view()->available()) {
1670                 string const trypath = owner->buffer()->filepath;
1671                 // If directory is writeable, use this as default.
1672                 if (IsDirWriteable(trypath) == 1)
1673                         initpath = trypath;
1674         }
1675
1676         string filename;
1677
1678         if (fname.empty()) {
1679                 FileDialog fileDlg(owner, _("Select document to open"),
1680                         LFUN_FILE_OPEN,
1681                         make_pair(string(_("Documents")),
1682                                   string(lyxrc.document_path)),
1683                         make_pair(string(_("Examples")),
1684                                   string(AddPath(system_lyxdir, "examples"))));
1685
1686                 FileDialog::Result result =
1687                         fileDlg.Select(initpath,
1688                                        "*.lyx|LyX Documents (*.lyx)");
1689
1690                 if (result.first == FileDialog::Later)
1691                         return;
1692
1693                 filename = result.second;
1694
1695                 // check selected filename
1696                 if (filename.empty()) {
1697                         owner->message(_("Canceled."));
1698                         return;
1699                 }
1700         } else
1701                 filename = fname;
1702
1703         // get absolute path of file and make sure the filename ends
1704         // with .lyx
1705         filename = MakeAbsPath(filename);
1706         if (!IsLyXFilename(filename))
1707                 filename += ".lyx";
1708
1709         // loads document
1710         owner->message(_("Opening document") + ' '
1711                        + MakeDisplayPath(filename) + "...");
1712         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1713         if (openbuf) {
1714                 owner->view()->buffer(openbuf);
1715                 owner->message(_("Document") + ' '
1716                                + MakeDisplayPath(filename)
1717                                + ' ' + _("opened."));
1718         } else {
1719                 owner->message(_("Could not open document") + ' '
1720                                + MakeDisplayPath(filename));
1721         }
1722 }
1723
1724
1725 // checks for running without gui are missing.
1726 void LyXFunc::doImport(string const & argument)
1727 {
1728         string format;
1729         string filename = split(argument, format, ' ');
1730         lyxerr.debug() << "LyXFunc::doImport: " << format
1731                        << " file: " << filename << endl;
1732
1733         if (filename.empty()) { // need user interaction
1734                 string initpath = lyxrc.document_path;
1735
1736                 if (owner->view()->available()) {
1737                         string const trypath = owner->buffer()->filepath;
1738                         // If directory is writeable, use this as default.
1739                         if (IsDirWriteable(trypath) == 1)
1740                                 initpath = trypath;
1741                 }
1742
1743                 string const text = _("Select ") + formats.PrettyName(format)
1744                         + _(" file to import");
1745
1746                 FileDialog fileDlg(owner, text,
1747                         LFUN_IMPORT,
1748                         make_pair(string(_("Documents")),
1749                                   string(lyxrc.document_path)),
1750                         make_pair(string(_("Examples")),
1751                                   string(AddPath(system_lyxdir, "examples"))));
1752
1753                 string const extension = "*." + formats.Extension(format)
1754                         + "| " + formats.PrettyName(format)
1755                         + " (*." + formats.Extension(format) + ")";
1756
1757                 FileDialog::Result result = fileDlg.Select(initpath,
1758                                                            extension);
1759
1760                 if (result.first == FileDialog::Later)
1761                         return;
1762
1763                 filename = result.second;
1764
1765                 // check selected filename
1766                 if (filename.empty())
1767                         owner->message(_("Canceled."));
1768         }
1769
1770         // still no filename? abort
1771         if (filename.empty())
1772                 return;
1773
1774         // get absolute path of file
1775         filename = MakeAbsPath(filename);
1776
1777         string const lyxfile = ChangeExtension(filename, ".lyx");
1778
1779         // Check if the document already is open
1780         if (bufferlist.exists(lyxfile)) {
1781                 switch (AskConfirmation(_("Document is already open:"),
1782                                         MakeDisplayPath(lyxfile, 50),
1783                                         _("Do you want to close that document now?\n"
1784                                           "('No' will just switch to the open version)")))
1785                         {
1786                         case 1: // Yes: close the document
1787                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1788                                 // If close is canceled, we cancel here too.
1789                                         return;
1790                                 break;
1791                         case 2: // No: switch to the open document
1792                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1793                                 return;
1794                         case 3: // Cancel: Do nothing
1795                                 owner->message(_("Canceled."));
1796                                 return;
1797                         }
1798         }
1799
1800         // Check if a LyX document by the same root exists in filesystem
1801         FileInfo const f(lyxfile, true);
1802         if (f.exist() && !AskQuestion(_("A document by the name"),
1803                                       MakeDisplayPath(lyxfile),
1804                                       _("already exists. Overwrite?"))) {
1805                 owner->message(_("Canceled"));
1806                 return;
1807         }
1808         // filename should be valid now
1809
1810         Importer::Import(owner, filename, format);
1811 }
1812
1813
1814 void LyXFunc::reloadBuffer()
1815 {
1816         string const fn = owner->buffer()->fileName();
1817         if (bufferlist.close(owner->buffer()))
1818                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1819 }
1820
1821
1822 void LyXFunc::CloseBuffer()
1823 {
1824         if (bufferlist.close(owner->buffer()) && !quitting) {
1825                 if (bufferlist.empty()) {
1826                         // need this otherwise SEGV may occur while trying to
1827                         // set variables that don't exist
1828                         // since there's no current buffer
1829                         owner->getDialogs()->hideBufferDependent();
1830                 } else {
1831                         owner->view()->buffer(bufferlist.first());
1832                 }
1833         }
1834 }
1835
1836
1837 // Each "owner" should have it's own message method. lyxview and
1838 // the minibuffer would use the minibuffer, but lyxserver would
1839 // send an ERROR signal to its client.  Alejandro 970603
1840 // This func is bit problematic when it comes to NLS, to make the
1841 // lyx servers client be language indepenent we must not translate
1842 // strings sent to this func.
1843 void LyXFunc::setErrorMessage(string const & m) const
1844 {
1845         dispatch_buffer = m;
1846         errorstat = true;
1847 }
1848
1849
1850 void LyXFunc::setMessage(string const & m)
1851 {
1852         dispatch_buffer = m;
1853 }
1854
1855
1856 void LyXFunc::initMiniBuffer()
1857 {
1858         string text = _("Welcome to LyX!");
1859
1860         // When meta-fake key is pressed, show the key sequence so far + "M-".
1861         if (wasMetaKey()) {
1862                 keyseqStr();
1863                 text += "M-";
1864         }
1865
1866         // Else, when a non-complete key sequence is pressed,
1867         // show the available options.
1868         else if (keyseqUncomplete())
1869                 text = keyseqOptions();
1870
1871         // Else, show the buffer state.
1872         else if (owner->view()->available()) {
1873                 Buffer * tmpbuf = owner->buffer();
1874
1875                 string const nicename =
1876                         MakeDisplayPath(tmpbuf->fileName());
1877                 // Should we do this instead? (kindo like emacs)
1878                 // leaves more room for other information
1879                 text = "LyX: ";
1880                 text += nicename;
1881                 if (tmpbuf->lyxvc.inUse()) {
1882                         text += " [";
1883                         text += tmpbuf->lyxvc.version();
1884                         text += ' ';
1885                         text += tmpbuf->lyxvc.locker();
1886                         if (tmpbuf->isReadonly())
1887                                 text += " (RO)";
1888                         text += ']';
1889                 } else if (tmpbuf->isReadonly())
1890                         text += " [RO]";
1891                 if (!tmpbuf->isLyxClean())
1892                         text += _(" (Changed)");
1893         } else {
1894                 if (text != _("Welcome to LyX!")) // this is a hack
1895                         text = _("* No document open *");
1896         }
1897
1898         owner->message(text);
1899 }
1900