src/lyxfunc.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #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)->selection.mark()) {
 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)->selection.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         // Can we be sure that this will work for all X-Windows
 241         // implementations? (Lgb)
 242         // This code snippet makes lyx ignore some keys. Perhaps
 243         // all of them should be explictly mentioned?
 244         if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
 245             || keysym == XK_Mode_switch || keysym == 0x0) {
 246                 //return 0;
 247                 return;
 248         }
 249
 250         // Do a one-deep top-level lookup for
 251         // cancel and meta-fake keys. RVDK_PATCH_5
 252         cancel_meta_seq.reset();
 253
 254         int action = cancel_meta_seq.addkey(keysym, state
 255                                             &(ShiftMask|ControlMask
 256                                               |Mod1Mask));
 257         if (lyxerr.debugging(Debug::KEY)) {
 258                 lyxerr << "action first set to [" << action << "]" << endl;
 259         }
 260
 261         // When not cancel or meta-fake, do the normal lookup.
 262         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 263         // Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
 264         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 265                 if (lyxerr.debugging(Debug::KEY)) {
 266                         lyxerr << "meta_fake_bit is ["
 267                                << meta_fake_bit << "]" << endl;
 268                 }
 269                 // remove Caps Lock and Mod2 as a modifiers
 270                 action = keyseq.addkey(keysym,
 271                                        (state | meta_fake_bit)
 272                                        &(ShiftMask|ControlMask
 273                                          |Mod1Mask));
 274                 if (lyxerr.debugging(Debug::KEY)) {
 275                         lyxerr << "action now set to ["
 276                                << action << "]" << endl;
 277                 }
 278         }
 279         // Dont remove this unless you know what you are doing.
 280         meta_fake_bit = 0;
 281
 282         if (action == 0) action = LFUN_PREFIX;
 283
 284         if (lyxerr.debugging(Debug::KEY)) {
 285                 string buf;
 286                 keyseq.print(buf);
 287                 lyxerr << "Key [action="
 288                        << action << "]["
 289                        << buf << "]"
 290                        << endl;
 291         }
 292
 293         // already here we know if it any point in going further
 294         // why not return already here if action == -1 and
 295         // num_bytes == 0? (Lgb)
 296
 297         if (keyseq.length > 1 || keyseq.length < -1) {
 298                 string buf;
 299                 keyseq.print(buf);
 300                 owner->message(buf);
 301         }
 302
 303         if (action == -1) {
 304                 // It is unknown, but what if we remove all
 305                 // the modifiers? (Lgb)
 306                 action = keyseq.addkey(keysym, 0);
 307
 308                 if (lyxerr.debugging(Debug::KEY)) {
 309                         lyxerr << "Removing modifiers...\n"
 310                                << "Action now set to ["
 311                                << action << "]" << endl;
 312                 }
 313                 if (action == -1) {
 314                         owner->message(_("Unknown function."));
 315                         //return 0;
 316                         return;
 317                 }
 318         }
 319
 320         if (action == LFUN_SELFINSERT) {
 321                 // This is very X dependant.
 322                 unsigned int c = keysym;
 323
 324                 switch (c & 0x0000FF00) {
 325                         // latin 1 byte 3 = 0
 326                 case 0x00000000: break;
 327                         // latin 2 byte 3 = 1
 328                 case 0x00000100:
 329                         // latin 3 byte 3 = 2
 330                 case 0x00000200:
 331                         // latin 4 byte 3 = 3
 332                 case 0x00000300:
 333                         // latin 8 byte 3 = 18 (0x12)
 334                 case 0x00001200:
 335                         // latin 9 byte 3 = 19 (0x13)
 336                 case 0x00001300:
 337                         c &= 0x000000FF;
 338                         break;
 339                 default:
 340                         c = 0;
 341                         break;
 342                 }
 343                 if (c > 0)
 344                         argument = static_cast<char>(c);
 345                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 346                                    << argument << "']" << endl;
 347         }
 348
 349         bool tmp_sc = show_sc;
 350         show_sc = false;
 351         Dispatch(action, argument);
 352         show_sc = tmp_sc;
 353
 354         //return 0;
 355 }
 356
 357
 358 LyXFunc::func_status LyXFunc::getStatus(int ac) const
 359 {
 360         return getStatus(ac, string());
 361 }
 362
 363
 364 LyXFunc::func_status LyXFunc::getStatus(int ac,
 365                                         string const & not_to_use_arg) const
 366 {
 367         kb_action action;
 368         func_status flag = LyXFunc::OK;
 369         string argument;
 370         Buffer * buf = owner->buffer();
 371
 372         if (lyxaction.isPseudoAction(ac))
 373                 action = lyxaction.retrieveActionArg(ac, argument);
 374         else {
 375                 action = static_cast<kb_action>(ac);
 376                 if (!not_to_use_arg.empty())
 377                         argument = not_to_use_arg; // exept here
 378         }
 379
 380         if (action == LFUN_UNKNOWN_ACTION) {
 381                 setErrorMessage(N_("Unknown action"));
 382                 return LyXFunc::Unknown;
 383         }
 384
 385         // Check whether we need a buffer
 386         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 387                 // Yes we need a buffer, do we have one?
 388                 if (buf) {
 389                         // yes
 390                         // Can we use a readonly buffer?
 391                         if (buf->isReadonly() &&
 392                             !lyxaction.funcHasFlag(action,
 393                                                    LyXAction::ReadOnly)) {
 394                                 // no
 395                                 setErrorMessage(N_("Document is read-only"));
 396                                 flag |= LyXFunc::Disabled;
 397                         }
 398                 } else {
 399                         // no
 400                         setErrorMessage(N_("Command not allowed with"
 401                                            "out any document open"));
 402                         flag |= LyXFunc::Disabled;
 403                         return flag;
 404                 }
 405         }
 406
 407         // I would really like to avoid having this switch and rather try to
 408         // encode this in the function itself.
 409         bool disable = false;
 410         switch (action) {
 411         case LFUN_MENUPRINT:
 412                 disable = !Exporter::IsExportable(buf, "dvi")
 413                         || lyxrc.print_command == "none";
 414                 break;
 415         case LFUN_EXPORT:
 416                 disable = argument == "fax" &&
 417                         !Exporter::IsExportable(buf, argument);
 418                 break;
 419         case LFUN_UNDO:
 420                 disable = buf->undostack.empty();
 421                 break;
 422         case LFUN_REDO:
 423                 disable = buf->redostack.empty();
 424                 break;
 425         case LFUN_SPELLCHECK:
 426                 disable = lyxrc.isp_command == "none";
 427                 break;
 428         case LFUN_RUNCHKTEX:
 429                 disable = lyxrc.chktex_command == "none";
 430                 break;
 431         case LFUN_BUILDPROG:
 432                 disable = !Exporter::IsExportable(buf, "program");
 433                 break;
 434
 435         case LFUN_INSERTFOOTNOTE:
 436                 // Disable insertion of floats in a tabular.
 437                 disable = false;
 438                 if (owner->view()->theLockingInset()) {
 439                         disable = (owner->view()->theLockingInset()->LyxCode() == Inset::TABULAR_CODE) ||
 440                                 owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE);
 441                 }
 442                 break;
 443
 444         case LFUN_LAYOUT_TABULAR:
 445                 disable = true;
 446                 if (owner->view()->theLockingInset()) {
 447                         disable = (owner->view()->theLockingInset()->LyxCode() != Inset::TABULAR_CODE) &&
 448                                 !owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE);
 449                 }
 450                 break;
 451
 452         case LFUN_TABULAR_FEATURE:
 453                 disable = true;
 454                 if (owner->view()->theLockingInset()) {
 455                         func_status ret = LyXFunc::Disabled;
 456                         if (owner->view()->theLockingInset()->LyxCode() == Inset::TABULAR_CODE) {
 457                                 ret = static_cast<InsetTabular *>
 458                                         (owner->view()->theLockingInset())->
 459                                         getStatus(argument);
 460                         } else if (owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 461                                 ret = static_cast<InsetTabular *>
 462                                         (owner->view()->theLockingInset()->
 463                                         GetFirstLockingInsetOfType(Inset::TABULAR_CODE))->
 464                                         getStatus(argument);
 465                         }
 466                         flag |= ret;
 467                         disable = false;
 468                 } else {
 469                     static InsetTabular inset(*owner->buffer(), 1, 1);
 470                     func_status ret;
 471
 472                     disable = true;
 473                     ret = inset.getStatus(argument);
 474                     if ((ret & LyXFunc::ToggleOn) ||
 475                         (ret & LyXFunc::ToggleOff))
 476                         flag |= LyXFunc::ToggleOff;
 477                 }
 478                 break;
 479
 480         case LFUN_VC_REGISTER:
 481                 disable = buf->lyxvc.inUse();
 482                 break;
 483         case LFUN_VC_CHECKIN:
 484                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 485                 break;
 486         case LFUN_VC_CHECKOUT:
 487                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 488                 break;
 489         case LFUN_VC_REVERT:
 490         case LFUN_VC_UNDO:
 491         case LFUN_VC_HISTORY:
 492                 disable = !buf->lyxvc.inUse();
 493                 break;
 494         case LFUN_BOOKMARK_GOTO:
 495                 disable =  !owner->view()->
 496                         isSavedPosition(strToUnsignedInt(argument));
 497         default:
 498                 break;
 499         }
 500         if (disable)
 501                 flag |= LyXFunc::Disabled;
 502
 503         if (buf) {
 504                 func_status box = LyXFunc::ToggleOff;
 505                 LyXFont const & font =
 506                         TEXT(false)->real_current_font;
 507                 switch (action) {
 508                 case LFUN_EMPH:
 509                         if (font.emph() == LyXFont::ON)
 510                                 box = LyXFunc::ToggleOn;
 511                         break;
 512                 case LFUN_NOUN:
 513                         if (font.noun() == LyXFont::ON)
 514                                 box = LyXFunc::ToggleOn;
 515                         break;
 516                 case LFUN_BOLD:
 517                         if (font.series() == LyXFont::BOLD_SERIES)
 518                                 box = LyXFunc::ToggleOn;
 519                         break;
 520                 case LFUN_TEX:
 521                         if (font.latex() == LyXFont::ON)
 522                                 box = LyXFunc::ToggleOn;
 523                         break;
 524                 default:
 525                         box = LyXFunc::OK;
 526                         break;
 527                 }
 528                 flag |= box;
 529         }
 530
 531         return flag;
 532 }
 533
 534
 535 // temporary dispatch method
 536 void LyXFunc::miniDispatch(string const & s)
 537 {
 538         Dispatch(s);
 539 }
 540
 541
 542 string const LyXFunc::Dispatch(string const & s)
 543 {
 544         // Split command string into command and argument
 545         string cmd;
 546         string line = frontStrip(s);
 547         string arg = strip(frontStrip(split(line, cmd, ' ')));
 548
 549         return Dispatch(lyxaction.LookupFunc(cmd), arg);
 550 }
 551
 552
 553 string const LyXFunc::Dispatch(int ac,
 554                                string const & do_not_use_this_arg)
 555 {
 556         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << ac
 557                               <<"] arg[" << do_not_use_this_arg << "]" << endl;
 558
 559         string argument;
 560         kb_action action;
 561
 562         // we have not done anything wrong yet.
 563         errorstat = false;
 564         dispatch_buffer.erase();
 565
 566         // if action is a pseudo-action, we need the real action
 567         if (lyxaction.isPseudoAction(ac)) {
 568                 string tmparg;
 569                 action = static_cast<kb_action>
 570                         (lyxaction.retrieveActionArg(ac, tmparg));
 571                 if (!tmparg.empty())
 572                         argument = tmparg;
 573         } else {
 574                 action = static_cast<kb_action>(ac);
 575                 if (!do_not_use_this_arg.empty())
 576                         argument = do_not_use_this_arg; // except here
 577         }
 578
 579         selection_possible = false;
 580
 581         if (owner->view()->available())
 582                 owner->view()->hideCursor();
 583
 584         // We cannot use this function here
 585         if (getStatus(ac, do_not_use_this_arg) & Disabled)
 586                 goto exit_with_message;
 587
 588         commandshortcut.erase();
 589
 590         if (lyxrc.display_shortcuts && show_sc) {
 591                 if (action != LFUN_SELFINSERT) {
 592                         // Put name of command and list of shortcuts
 593                         // for it in minibuffer
 594                         string comname = lyxaction.getActionName(action);
 595
 596                         int pseudoaction = action;
 597                         bool argsadded = false;
 598
 599                         if (!argument.empty()) {
 600                                 // If we have the command with argument,
 601                                 // this is better
 602                                 pseudoaction =
 603                                         lyxaction.searchActionArg(action,
 604                                                                   argument);
 605
 606                                 if (pseudoaction == -1) {
 607                                         pseudoaction = action;
 608                                 } else {
 609                                         comname += " " + argument;
 610                                         argsadded = true;
 611                                 }
 612                         }
 613
 614                         string const shortcuts =
 615                                 toplevel_keymap->findbinding(pseudoaction);
 616
 617                         if (!shortcuts.empty()) {
 618                                 comname += ": " + shortcuts;
 619                         } else if (!argsadded) {
 620                                 comname += " " + argument;
 621                         }
 622
 623                         if (!comname.empty()) {
 624                                 comname = strip(comname);
 625                                 commandshortcut = "(" + comname + ')';
 626                                 owner->message(commandshortcut);
 627
 628                                 // Here we could even add a small pause,
 629                                 // to annoy the user and make him learn
 630                                 // the shortcuts.
 631                                 // No! That will just annoy, not teach
 632                                 // anything. The user will read the messages
 633                                 // if they are interested. (Asger)
 634                         }
 635                 }
 636         }
 637
 638         if (owner->view()->available() && owner->view()->theLockingInset()) {
 639                 UpdatableInset::RESULT result;
 640                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 641                                      (keyseq.length >= -1)))
 642                 {
 643                         if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
 644                                 argument = keyseq.getiso();
 645                         }
 646                         // Undo/Redo pre 0.13 is a bit tricky for insets.
 647                         if (action == LFUN_UNDO) {
 648                                 int slx;
 649                                 int sly;
 650                                 UpdatableInset * inset =
 651                                         owner->view()->theLockingInset();
 652                                 inset->GetCursorPos(owner->view(), slx, sly);
 653                                 owner->view()->unlockInset(inset);
 654                                 owner->view()->menuUndo();
 655                                 if (TEXT()->cursor.par()->
 656                                     IsInset(TEXT()->cursor.pos())) {
 657                                         inset = static_cast<UpdatableInset*>(
 658                                                 TEXT()->cursor.par()->
 659                                                 GetInset(TEXT()->
 660                                                          cursor.pos()));
 661                                 } else {
 662                                         inset = 0;
 663                                 }
 664                                 if (inset)
 665                                         inset->Edit(owner->view(),slx,sly,0);
 666                                 return string();
 667                         } else if (action == LFUN_REDO) {
 668                                 int slx;
 669                                 int sly;
 670                                 UpdatableInset * inset = owner->view()->
 671                                         theLockingInset();
 672                                 inset->GetCursorPos(owner->view(), slx, sly);
 673                                 owner->view()->unlockInset(inset);
 674                                 owner->view()->menuRedo();
 675                                 inset = static_cast<UpdatableInset*>(
 676                                         TEXT()->cursor.par()->
 677                                         GetInset(TEXT()->
 678                                                  cursor.pos()));
 679                                 if (inset)
 680                                         inset->Edit(owner->view(),slx,sly,0);
 681                                 return string();
 682                         } else if (((result=owner->view()->theLockingInset()->
 683                                    LocalDispatch(owner->view(), action,
 684                                                  argument)) ==
 685                                    UpdatableInset::DISPATCHED) ||
 686                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 687                                 return string();
 688                         else {
 689                                 //setMessage(N_("Text mode"));
 690                                 switch (action) {
 691                                 case LFUN_UNKNOWN_ACTION:
 692                                 case LFUN_BREAKPARAGRAPH:
 693                                 case LFUN_BREAKLINE:
 694                                         TEXT()->CursorRight(owner->view());
 695                                         owner->view()->setState();
 696                                         owner->showState();
 697                                         break;
 698                                 case LFUN_RIGHT:
 699                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 700                                                 TEXT()->CursorRight(owner->view());
 701                                                 moveCursorUpdate(true, false);
 702                                                 owner->showState();
 703                                         }
 704                                         return string();
 705                                 case LFUN_LEFT:
 706                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 707                                                 TEXT()->CursorRight(owner->view());
 708                                                 moveCursorUpdate(true, false);
 709                                                 owner->showState();
 710                                         }
 711                                         return string();
 712                                 case LFUN_DOWN:
 713                                         if (TEXT()->cursor.row()->next())
 714                                                 TEXT()->CursorDown(owner->view());
 715                                         else
 716                                                 TEXT()->CursorRight(owner->view());
 717                                         moveCursorUpdate(true, false);
 718                                         owner->showState();
 719                                         return string();
 720                                 default:
 721                                         break;
 722                                 }
 723                         }
 724                 }
 725         }
 726
 727         lyx::Assert(action != LFUN_SELECT_FILE_SYNC);
 728
 729         switch (action) {
 730
 731         case LFUN_ESCAPE:
 732         {
 733                 if (!owner->view()->available()) break;
 734
 735                 // this function should be used always [asierra060396]
 736                 UpdatableInset * tli =
 737                         owner->view()->theLockingInset();
 738                 if (tli) {
 739                         UpdatableInset * lock = tli->GetLockingInset();
 740
 741                         if (tli == lock) {
 742                                 owner->view()->unlockInset(tli);
 743                                 TEXT()->CursorRight(owner->view());
 744                                 moveCursorUpdate(true, false);
 745                                 owner->showState();
 746                         } else {
 747                                 tli->UnlockInsetInInset(owner->view(),
 748                                                         lock,
 749                                                         true);
 750                         }
 751                 }
 752         }
 753         break;
 754
 755                 // --- Misc -------------------------------------------
 756         case LFUN_WORDFINDFORWARD  :
 757         case LFUN_WORDFINDBACKWARD : {
 758                 static string last_search;
 759                 string searched_string;
 760
 761                 if (!argument.empty()) {
 762                         last_search = argument;
 763                         searched_string = argument;
 764                 } else {
 765                         searched_string = last_search;
 766                 }
 767
 768                 if (!searched_string.empty() &&
 769                     ((action == LFUN_WORDFINDBACKWARD) ?
 770                      SearchBackward(owner->view(), searched_string) :
 771                      SearchForward(owner->view(), searched_string))) {
 772
 773                         // ??? What is that ???
 774                         owner->view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 775
 776                         // ??? Needed ???
 777                         // clear the selection (if there is any)
 778                         owner->view()->toggleSelection();
 779                         TEXT()->ClearSelection(owner->view());
 780
 781                         // Move cursor so that successive C-s 's will not stand in place.
 782                         if (action == LFUN_WORDFINDFORWARD )
 783                                 TEXT()->CursorRightOneWord(owner->view());
 784                         TEXT()->FinishUndo();
 785                         moveCursorUpdate(true, false);
 786
 787                         // ??? Needed ???
 788                         // set the new selection
 789                         // SetSelectionOverLenChars(owner->view()->currentBuffer()->text, iLenSelected);
 790                         owner->view()->toggleSelection(false);
 791                 }
 792
 793                 // REMOVED : if (owner->view()->getWorkArea()->focus)
 794                 owner->view()->showCursor();
 795         }
 796         break;
 797
 798         case LFUN_PREFIX:
 799         {
 800                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
 801                         owner->view()->update(TEXT(),
 802                                               BufferView::SELECT|BufferView::FITCUR);
 803                 }
 804                 string buf;
 805                 keyseq.print(buf, true);
 806                 owner->message(buf);
 807         }
 808         break;
 809
 810         // --- Misc -------------------------------------------
 811         case LFUN_EXEC_COMMAND:
 812         {
 813                 std::vector<string> allCmds;
 814                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
 815                                std::back_inserter(allCmds), lyx::firster());
 816                 static std::vector<string> hist;
 817                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
 818                                                   allCmds, hist);
 819         }
 820         break;
 821
 822         case LFUN_CANCEL:                   // RVDK_PATCH_5
 823                 keyseq.reset();
 824                 meta_fake_bit = 0;
 825                 if (owner->view()->available())
 826                         // cancel any selection
 827                         Dispatch(LFUN_MARK_OFF);
 828                 setMessage(N_("Cancel"));
 829                 break;
 830
 831         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 832         {
 833                 meta_fake_bit = Mod1Mask;
 834                 string buf;
 835                 keyseq.print(buf, true);
 836                 setMessage(buf); // RVDK_PATCH_5
 837         }
 838         break;
 839
 840         case LFUN_READ_ONLY_TOGGLE:
 841                 if (owner->buffer()->lyxvc.inUse()) {
 842                         owner->buffer()->lyxvc.toggleReadOnly();
 843                 } else {
 844                         owner->buffer()->setReadonly(
 845                                 !owner->buffer()->isReadonly());
 846                 }
 847                 break;
 848
 849         case LFUN_CENTER: // this is center and redraw.
 850                 owner->view()->center();
 851                 break;
 852
 853                 // --- Menus -----------------------------------------------
 854         case LFUN_MENUNEW:
 855                 MenuNew(false);
 856                 break;
 857
 858         case LFUN_MENUNEWTMPLT:
 859                 MenuNew(true);
 860                 break;
 861
 862         case LFUN_CLOSEBUFFER:
 863                 CloseBuffer();
 864                 break;
 865
 866         case LFUN_MENUWRITE:
 867                 if (!owner->buffer()->isUnnamed()) {
 868                         string const s1 = _("Saving document") + ' '
 869                                 + MakeDisplayPath(owner->buffer()->fileName()
 870                                                   + "...");
 871
 872                         owner->message(s1);
 873                         MenuWrite(owner->view(), owner->buffer());
 874                 } else
 875                         WriteAs(owner->view(), owner->buffer());
 876                 break;
 877
 878         case LFUN_WRITEAS:
 879                 WriteAs(owner->view(), owner->buffer(), argument);
 880                 break;
 881
 882         case LFUN_MENURELOAD:
 883                 reloadBuffer();
 884                 break;
 885
 886         case LFUN_UPDATE:
 887                 Exporter::Export(owner->buffer(), argument, true);
 888                 break;
 889
 890         case LFUN_PREVIEW:
 891                 Exporter::Preview(owner->buffer(), argument);
 892                 break;
 893
 894         case LFUN_BUILDPROG:
 895                 Exporter::Export(owner->buffer(), "program", true);
 896                 break;
 897
 898         case LFUN_RUNCHKTEX:
 899                 MenuRunChktex(owner->buffer());
 900                 break;
 901
 902         case LFUN_MENUPRINT:
 903                 owner->getDialogs()->showPrint();
 904                 break;
 905
 906         case LFUN_EXPORT:
 907                 if (argument == "custom")
 908                         MenuSendto();
 909                 else
 910                         Exporter::Export(owner->buffer(), argument, false);
 911                 break;
 912
 913         case LFUN_IMPORT:
 914                 doImport(argument);
 915                 break;
 916
 917         case LFUN_QUIT:
 918                 QuitLyX();
 919                 break;
 920
 921         case LFUN_TOCVIEW:
 922 #if 0
 923         case LFUN_LOFVIEW:
 924         case LFUN_LOTVIEW:
 925         case LFUN_LOAVIEW:
 926 #endif
 927         {
 928                 InsetCommandParams p;
 929
 930 #if 0
 931                 if (action == LFUN_TOCVIEW)
 932 #endif
 933                         p.setCmdName("tableofcontents");
 934 #if 0
 935                 else if (action == LFUN_LOAVIEW )
 936                         p.setCmdName("listof{algorithm}{List of Algorithms}");
 937                 else if (action == LFUN_LOFVIEW)
 938                         p.setCmdName("listoffigures");
 939                 else
 940                         p.setCmdName("listoftables");
 941 #endif
 942                 owner->getDialogs()->createTOC(p.getAsString());
 943                 break;
 944         }
 945
 946         case LFUN_DIALOG_TABULAR_INSERT:
 947                 owner->getDialogs()->showTabularCreate();
 948                 break;
 949
 950         case LFUN_FIGURE:
 951                 Figure();
 952                 break;
 953
 954         case LFUN_AUTOSAVE:
 955                 AutoSave(owner->view());
 956                 break;
 957
 958         case LFUN_UNDO:
 959                 owner->view()->menuUndo();
 960                 break;
 961
 962         case LFUN_REDO:
 963                 owner->view()->menuRedo();
 964                 break;
 965
 966         case LFUN_MENUSEARCH:
 967                 owner->getDialogs()->showSearch();
 968                 break;
 969
 970         case LFUN_REMOVEERRORS:
 971                 if (owner->view()->removeAutoInsets()) {
 972                         owner->view()->redraw();
 973                         owner->view()->fitCursor(TEXT());
 974                 }
 975                 break;
 976
 977         case LFUN_DEPTH:
 978                 changeDepth(owner->view(), TEXT(false), 0);
 979                 break;
 980
 981         case LFUN_DEPTH_MIN:
 982                 changeDepth(owner->view(), TEXT(false), -1);
 983                 break;
 984
 985         case LFUN_DEPTH_PLUS:
 986                 changeDepth(owner->view(), TEXT(false), 1);
 987                 break;
 988
 989         case LFUN_FREE:
 990                 owner->getDialogs()->setUserFreeFont();
 991                 break;
 992
 993         case LFUN_TEX:
 994                 Tex(owner->view());
 995                 owner->view()->setState();
 996                 owner->showState();
 997                 break;
 998
 999         case LFUN_RECONFIGURE:
1000                 Reconfigure(owner->view());
1001                 break;
1002
1003 #if 0
1004         case LFUN_FLOATSOPERATE:
1005                 if (argument == "openfoot")
1006                         owner->view()->allFloats(1,0);
1007                 else if (argument == "closefoot")
1008                         owner->view()->allFloats(0,0);
1009                 else if (argument == "openfig")
1010                         owner->view()->allFloats(1,1);
1011                 else if (argument == "closefig")
1012                         owner->view()->allFloats(0,1);
1013                 break;
1014 #else
1015 #ifdef WITH_WARNINGS
1016 #warning Find another implementation here (or another lyxfunc)!
1017 #endif
1018 #endif
1019         case LFUN_HELP_COPYRIGHT:
1020                 owner->getDialogs()->showCopyright();
1021                 break;
1022
1023         case LFUN_HELP_CREDITS:
1024                 owner->getDialogs()->showCredits();
1025                 break;
1026
1027         case LFUN_HELP_OPEN:
1028         {
1029                 string const arg = argument;
1030                 if (arg.empty()) {
1031                         setErrorMessage(N_("Missing argument"));
1032                         break;
1033                 }
1034                 ProhibitInput(owner->view());
1035                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1036                 if (fname.empty()) {
1037                         lyxerr << "LyX: unable to find documentation file `"
1038                                << arg << "'. Bad installation?" << endl;
1039                         AllowInput(owner->view());
1040                         break;
1041                 }
1042                 string const str = _("Opening help file") + ' '
1043                         + MakeDisplayPath(fname) + "...";
1044
1045                 owner->message(str);
1046                 owner->view()->buffer(bufferlist.loadLyXFile(fname,false));
1047                 AllowInput(owner->view());
1048                 break;
1049         }
1050
1051         case LFUN_HELP_VERSION: {
1052                 ProhibitInput(owner->view());
1053                 string msg(_("LyX Version "));
1054                 msg += LYX_VERSION;
1055                 msg += " of ";
1056                 msg += LYX_RELEASE;
1057                 fl_show_message(msg.c_str(),
1058                                 (_("Library directory: ")
1059                                  + MakeDisplayPath(system_lyxdir)).c_str(),
1060                                 (_("User directory: ")
1061                                  + MakeDisplayPath(user_lyxdir)).c_str());
1062                 AllowInput(owner->view());
1063                 break;
1064         }
1065
1066                 // --- version control -------------------------------
1067         case LFUN_VC_REGISTER:
1068         {
1069                 if (!owner->buffer()->lyxvc.inUse())
1070                         owner->buffer()->lyxvc.registrer();
1071         }
1072         break;
1073
1074         case LFUN_VC_CHECKIN:
1075         {
1076                 if (owner->buffer()->lyxvc.inUse()
1077                     && !owner->buffer()->isReadonly())
1078                         owner->buffer()->lyxvc.checkIn();
1079         }
1080         break;
1081
1082         case LFUN_VC_CHECKOUT:
1083         {
1084                 if (owner->buffer()->lyxvc.inUse()
1085                     && owner->buffer()->isReadonly())
1086                         owner->buffer()->lyxvc.checkOut();
1087         }
1088         break;
1089
1090         case LFUN_VC_REVERT:
1091         {
1092                 owner->buffer()->lyxvc.revert();
1093         }
1094         break;
1095
1096         case LFUN_VC_UNDO:
1097         {
1098                 owner->buffer()->lyxvc.undoLast();
1099         }
1100         break;
1101
1102         case LFUN_VC_HISTORY:
1103         {
1104                 owner->getDialogs()->showVCLogFile();
1105                 break;
1106         }
1107
1108         // --- buffers ----------------------------------------
1109
1110         case LFUN_SWITCHBUFFER:
1111                 owner->view()->buffer(bufferlist.getBuffer(argument));
1112                 break;
1113
1114         case LFUN_FILE_NEW:
1115         {
1116                 // servercmd: argument must be <file>:<template>
1117                 Buffer * tmpbuf = NewLyxFile(argument);
1118                 if (tmpbuf)
1119                         owner->view()->buffer(tmpbuf);
1120         }
1121         break;
1122
1123         case LFUN_FILE_OPEN:
1124                 Open(argument);
1125                 break;
1126
1127         case LFUN_LATEX_LOG:
1128                 owner->getDialogs()->showLogFile();
1129                 break;
1130
1131         case LFUN_LAYOUTNO:
1132         {
1133                 lyxerr.debug() << "LFUN_LAYOUTNO: (arg) " << argument << endl;
1134                 int sel = strToInt(argument);
1135                 lyxerr.debug() << "LFUN_LAYOUTNO: (sel) "<< sel << endl;
1136
1137                 // Should this give a setMessage instead?
1138                 if (sel == 0)
1139                         return string(); // illegal argument
1140
1141                 --sel; // sel 1..., but layout 0...
1142
1143                 // Pretend we got the name instead.
1144                 Dispatch(int(LFUN_LAYOUT),
1145                          textclasslist.NameOfLayout(owner->view()
1146                                                     ->buffer()->params.textclass,
1147                                                     sel));
1148                 return string();
1149         }
1150
1151         case LFUN_LAYOUT_DOCUMENT:
1152                 owner->getDialogs()->showLayoutDocument();
1153                 break;
1154
1155         case LFUN_LAYOUT_PARAGRAPH:
1156                 owner->getDialogs()->showLayoutParagraph();
1157                 break;
1158
1159         case LFUN_LAYOUT_CHARACTER:
1160                 owner->getDialogs()->showLayoutCharacter();
1161                 break;
1162
1163         case LFUN_LAYOUT_TABULAR:
1164             if (owner->view()->theLockingInset()) {
1165                 if (owner->view()->theLockingInset()->LyxCode()==Inset::TABULAR_CODE) {
1166                     InsetTabular * inset = static_cast<InsetTabular *>
1167                         (owner->view()->theLockingInset());
1168                     inset->OpenLayoutDialog(owner->view());
1169                 } else if (owner->view()->theLockingInset()->
1170                            GetFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1171                     InsetTabular * inset = static_cast<InsetTabular *>(
1172                         owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE));
1173                     inset->OpenLayoutDialog(owner->view());
1174                 }
1175             }
1176             break;
1177
1178         case LFUN_LAYOUT_PREAMBLE:
1179                 owner->getDialogs()->showPreamble();
1180                 break;
1181
1182         case LFUN_LAYOUT_SAVE_DEFAULT:
1183                 MenuLayoutSave(owner->view());
1184                 break;
1185
1186         case LFUN_DROP_LAYOUTS_CHOICE:
1187                 owner->getToolbar()->openLayoutList();
1188                 break;
1189
1190         case LFUN_MENU_OPEN_BY_NAME:
1191                 owner->getMenubar()->openByName(argument);
1192                 break; // RVDK_PATCH_5
1193
1194         case LFUN_SPELLCHECK:
1195                 if (lyxrc.isp_command != "none")
1196                         ShowSpellChecker(owner->view());
1197                 break; // RVDK_PATCH_5
1198
1199         // --- lyxserver commands ----------------------------
1200
1201
1202         case LFUN_GETNAME:
1203                 setMessage(owner->buffer()->fileName());
1204                 lyxerr.debug() << "FNAME["
1205                                << owner->buffer()->fileName()
1206                                << "] " << endl;
1207                 break;
1208
1209         case LFUN_NOTIFY:
1210         {
1211                 string buf;
1212                 keyseq.print(buf);
1213                 dispatch_buffer = buf;
1214                 lyxserver->notifyClient(dispatch_buffer);
1215         }
1216         break;
1217
1218         case LFUN_GOTOFILEROW:
1219         {
1220                 char file_name[100];
1221                 int row;
1222                 ::sscanf(argument.c_str(), " %s %d", file_name, &row);
1223
1224                 // Must replace extension of the file to be .lyx and get full path
1225                 string s = ChangeExtension(string(file_name), ".lyx");
1226
1227                 // Either change buffer or load the file
1228                 if (bufferlist.exists(s))
1229                         owner->view()->buffer(bufferlist.getBuffer(s));
1230                 else
1231                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1232
1233                 // Set the cursor
1234                 owner->view()->setCursorFromRow(row);
1235
1236                 // Recenter screen
1237                 owner->view()->center();
1238         }
1239         break;
1240
1241         case LFUN_GOTO_PARAGRAPH:
1242         {
1243                 istringstream istr(argument.c_str());
1244
1245                 int id;
1246                 istr >> id;
1247                 LyXParagraph * par = TEXT()->GetParFromID(id);
1248                 if (par == 0)
1249                         break;
1250
1251                 // Set the cursor
1252                 TEXT()->SetCursor(owner->view(), par, 0);
1253                 owner->view()->setState();
1254                 owner->showState();
1255
1256                 // Recenter screen
1257                 owner->view()->center();
1258         }
1259         break;
1260
1261         case LFUN_APROPOS:
1262         case LFUN_GETTIP:
1263         {
1264                 int const qa = lyxaction.LookupFunc(argument);
1265                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1266         }
1267         break;
1268
1269         // --- toolbar ----------------------------------
1270         case LFUN_PUSH_TOOLBAR:
1271         {
1272                 int nth = strToInt(argument);
1273                 if (nth <= 0) {
1274                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1275                 } else {
1276                         owner->getToolbar()->push(nth);
1277                 }
1278         }
1279         break;
1280
1281         case LFUN_ADD_TO_TOOLBAR:
1282         {
1283                 if (lyxerr.debugging(Debug::GUI)) {
1284                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1285                                 "argument = `" << argument << '\'' << endl;
1286                 }
1287                 string tmp(argument);
1288                 //lyxerr <<string("Argument: ") + argument);
1289                 //lyxerr <<string("Tmp     : ") + tmp);
1290                 if (tmp.empty()) {
1291                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1292                 } else {
1293                         owner->getToolbar()->add(argument, false);
1294                         owner->getToolbar()->set();
1295                 }
1296         }
1297         break;
1298
1299         // --- insert characters ----------------------------------------
1300
1301         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1302
1303         // Greek mode
1304         case LFUN_GREEK:
1305         {
1306                 if (!greek_kb_flag) {
1307                         greek_kb_flag = 1;
1308                         setMessage(N_("Math greek mode on"));
1309                 } else
1310                         greek_kb_flag = 0;
1311         }
1312         break;
1313
1314         // Greek keyboard
1315         case LFUN_GREEK_TOGGLE:
1316         {
1317                 greek_kb_flag = greek_kb_flag ? 0 : 2;
1318                 if (greek_kb_flag) {
1319                         setMessage(N_("Math greek keyboard on"));
1320                 } else {
1321                         setMessage(N_("Math greek keyboard off"));
1322                 }
1323         }
1324         break;
1325
1326         case LFUN_MATH_EXTERN:
1327         case LFUN_MATH_NUMBER:
1328         case LFUN_MATH_LIMITS:
1329         {
1330                 setErrorMessage(N_("This is only allowed in math mode!"));
1331         }
1332         break;
1333
1334         case LFUN_MATH_PANEL:
1335                 owner->getDialogs()->showMathPanel();
1336                 break;
1337
1338         case LFUN_CITATION_CREATE:
1339         {
1340                 InsetCommandParams p( "cite" );
1341
1342                 if (!argument.empty()) {
1343                         // This should be set at source, ie when typing
1344                         // "citation-insert foo" in the minibuffer.
1345                         // Question: would pybibliographer also need to be
1346                         // changed. Suspect so. Leave as-is therefore.
1347                         if (contains(argument, "|")) {
1348                                 p.setContents( token(argument, '|', 0) );
1349                                 p.setOptions(  token(argument, '|', 1) );
1350                         } else {
1351                                 p.setContents( argument );
1352                         }
1353                         Dispatch(LFUN_CITATION_INSERT, p.getAsString());
1354                 } else
1355                         owner->getDialogs()->createCitation( p.getAsString() );
1356         }
1357         break;
1358
1359         case LFUN_CHILDOPEN:
1360         {
1361                 string const filename =
1362                         MakeAbsPath(argument,
1363                                     OnlyPath(owner->buffer()->fileName()));
1364                 setMessage(N_("Opening child document ") +
1365                            MakeDisplayPath(filename) + "...");
1366                 owner->view()->savePosition(0);
1367                 if (bufferlist.exists(filename))
1368                         owner->view()->buffer(bufferlist.getBuffer(filename));
1369                 else
1370                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1371         }
1372         break;
1373
1374         case LFUN_TOGGLECURSORFOLLOW:
1375                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1376                 break;
1377
1378         case LFUN_KMAP_OFF:             // keymap off
1379                 owner->getIntl()->KeyMapOn(false);
1380                 break;
1381
1382         case LFUN_KMAP_PRIM:    // primary keymap
1383                 owner->getIntl()->KeyMapPrim();
1384                 break;
1385
1386         case LFUN_KMAP_SEC:             // secondary keymap
1387                 owner->getIntl()->KeyMapSec();
1388                 break;
1389
1390         case LFUN_KMAP_TOGGLE:  // toggle keymap
1391                 owner->getIntl()->ToggleKeyMap();
1392                 break;
1393
1394         case LFUN_SEQUENCE:
1395         {
1396                 // argument contains ';'-terminated commands
1397                 while (argument.find(';') != string::npos) {
1398                         string first;
1399                         argument = split(argument, first, ';');
1400                         Dispatch(first);
1401                 }
1402         }
1403         break;
1404
1405         case LFUN_DIALOG_PREFERENCES:
1406                 owner->getDialogs()->showPreferences();
1407                 break;
1408
1409         case LFUN_SAVEPREFERENCES:
1410         {
1411                 Path p(user_lyxdir);
1412                 lyxrc.write("preferences");
1413         }
1414         break;
1415
1416         case LFUN_SCREEN_FONT_UPDATE:
1417         {
1418                 // handle the screen font changes.
1419                 //
1420                 lyxrc.set_font_norm_type();
1421                 fontloader.update();
1422                 // Of course we should only do the resize and the textcache.clear
1423                 // if values really changed...but not very important right now. (Lgb)
1424                 // All buffers will need resize
1425                 bufferlist.resize();
1426                 // We also need to empty the textcache so that
1427                 // the buffer will be formatted correctly after
1428                 // a zoom change.
1429                 textcache.clear();
1430         }
1431         break;
1432
1433         case LFUN_SET_COLOR:
1434         {
1435                 string lyx_name;
1436                 string const x11_name = split(argument, lyx_name, ' ');
1437                 if (lyx_name.empty() || x11_name.empty()) {
1438                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1439                                                 " <x11_name>"));
1440                         break;
1441                         }
1442
1443                 if (!lcolor.setColor(lyx_name, x11_name)) {
1444                         static string const err1 (N_("Set-color \""));
1445                         static string const err2 (
1446                                 N_("\" failed - color is undefined "
1447                                    "or may not be redefined"));
1448                         setErrorMessage(_(err1) + lyx_name + _(err2));
1449                         break;
1450                 }
1451                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1452                 owner->view()->redraw();
1453                 break;
1454         }
1455
1456         case LFUN_MESSAGE:
1457                 owner->message(argument);
1458                 break;
1459
1460         case LFUN_MESSAGE_PUSH:
1461                 owner->messagePush(argument);
1462                 break;
1463
1464         case LFUN_MESSAGE_POP:
1465                 owner->messagePop();
1466                 break;
1467
1468         default:
1469                 // Then if it was none of the above
1470                 if (!owner->view()->Dispatch(action, argument))
1471                         lyxerr << "A truly unknown func ["
1472                                << action << "]!" << 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                         owner->getMiniBuffer()->addSet(commandshortcut);
1483                 }
1484         } else {
1485                 string const msg(_(res) + ' ' + commandshortcut);
1486                 owner->message(msg);
1487         }
1488
1489         return res;
1490 }
1491
1492
1493 void LyXFunc::setupLocalKeymap()
1494 {
1495         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1496         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1497 }
1498
1499
1500 void LyXFunc::MenuNew(bool fromTemplate)
1501 {
1502         string initpath = lyxrc.document_path;
1503
1504         if (owner->view()->available()) {
1505                 string const trypath = owner->buffer()->filepath;
1506                 // If directory is writeable, use this as default.
1507                 if (IsDirWriteable(trypath) == 1)
1508                         initpath = trypath;
1509         }
1510
1511         static int newfile_number;
1512         string s;
1513
1514         if (lyxrc.new_ask_filename) {
1515                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1516                                    LFUN_SELECT_FILE_SYNC,
1517                         make_pair(string(_("Documents")),
1518                                   string(lyxrc.document_path)),
1519                         make_pair(string(_("Templates")),
1520                                   string(lyxrc.template_path)));
1521
1522                 FileDialog::Result result =
1523                         fileDlg.Select(initpath,
1524                                        _("*.lyx|LyX Documents (*.lyx)"),
1525                                        _("newfile"));
1526
1527                 if (result.second.empty()) {
1528                         owner->message(_("Canceled."));
1529                         lyxerr.debug() << "New Document Cancelled." << endl;
1530                         return;
1531                 }
1532
1533                 // get absolute path of file and make sure the filename ends
1534                 // with .lyx
1535                 s = MakeAbsPath(result.second);
1536                 if (!IsLyXFilename(s))
1537                         s += ".lyx";
1538
1539                 // Check if the document already is open
1540                 if (bufferlist.exists(s)) {
1541                         switch (AskConfirmation(_("Document is already open:"),
1542                                                 MakeDisplayPath(s, 50),
1543                                                 _("Do you want to close that document now?\n"
1544                                                   "('No' will just switch to the open version)")))
1545                         {
1546                         case 1: // Yes: close the document
1547                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1548                                 // If close is canceled, we cancel here too.
1549                                         return;
1550                                 break;
1551                         case 2: // No: switch to the open document
1552                                 owner->view()->buffer(bufferlist.getBuffer(s));
1553                                 return;
1554                         case 3: // Cancel: Do nothing
1555                                 owner->message(_("Canceled."));
1556                                 return;
1557                         }
1558                 }
1559                 // Check whether the file already exists
1560                 if (IsLyXFilename(s)) {
1561                         FileInfo fi(s);
1562                         if (fi.readable() &&
1563                             AskQuestion(_("File already exists:"),
1564                                         MakeDisplayPath(s, 50),
1565                                         _("Do you want to open the document?"))) {
1566                                 // loads document
1567                                 owner->message(_("Opening document") + ' '
1568                                                + MakeDisplayPath(s) + "...");
1569                                 XFlush(fl_get_display());
1570                                 owner->view()->buffer(
1571                                         bufferlist.loadLyXFile(s));
1572                                 owner->message(_("Document") + ' '
1573                                                + MakeDisplayPath(s) + ' '
1574                                                + _("opened."));
1575                                 return;
1576                         }
1577                 }
1578         } else {
1579                 s = AddName(lyxrc.document_path,
1580                             "newfile" + tostr(++newfile_number) + ".lyx");
1581                 FileInfo fi(s);
1582                 while (bufferlist.exists(s) || fi.readable()) {
1583                         ++newfile_number;
1584                         s = AddName(lyxrc.document_path,
1585                                     "newfile" + tostr(newfile_number) +
1586                                     ".lyx");
1587                         fi.newFile(s);
1588                 }
1589         }
1590
1591         // The template stuff
1592         string templname;
1593         if (fromTemplate) {
1594                 FileDialog fileDlg(owner, _("Select template file"),
1595                         LFUN_SELECT_FILE_SYNC,
1596                         make_pair(string(_("Documents")),
1597                                   string(lyxrc.document_path)),
1598                         make_pair(string(_("Templates")),
1599                                   string(lyxrc.template_path)));
1600
1601                 FileDialog::Result result =
1602                         fileDlg.Select(initpath,
1603                                        _("*.lyx|LyX Documents (*.lyx)"));
1604
1605                 if (result.first == FileDialog::Later)
1606                         return;
1607
1608                 string const fname = result.second;
1609
1610                 if (fname.empty())
1611                         return;
1612                 templname = fname;
1613         }
1614
1615         // find a free buffer
1616         lyxerr.debug() << "Find a free buffer." << endl;
1617         owner->view()->buffer(bufferlist.newFile(s, templname));
1618 }
1619
1620
1621 void LyXFunc::Open(string const & fname)
1622 {
1623         string initpath = lyxrc.document_path;
1624
1625         if (owner->view()->available()) {
1626                 string const trypath = owner->buffer()->filepath;
1627                 // If directory is writeable, use this as default.
1628                 if (IsDirWriteable(trypath) == 1)
1629                         initpath = trypath;
1630         }
1631
1632         string filename;
1633
1634         if (fname.empty()) {
1635                 FileDialog fileDlg(owner, _("Select document to open"),
1636                         LFUN_FILE_OPEN,
1637                         make_pair(string(_("Documents")),
1638                                   string(lyxrc.document_path)),
1639                         make_pair(string(_("Examples")),
1640                                   string(AddPath(system_lyxdir, "examples"))));
1641
1642                 FileDialog::Result result =
1643                         fileDlg.Select(initpath,
1644                                        "*.lyx|LyX Documents (*.lyx)");
1645
1646                 if (result.first == FileDialog::Later)
1647                         return;
1648
1649                 filename = result.second;
1650
1651                 // check selected filename
1652                 if (filename.empty()) {
1653                         owner->message(_("Canceled."));
1654                         return;
1655                 }
1656         } else
1657                 filename = fname;
1658
1659         // get absolute path of file and make sure the filename ends
1660         // with .lyx
1661         filename = MakeAbsPath(filename);
1662         if (!IsLyXFilename(filename))
1663                 filename += ".lyx";
1664
1665         // loads document
1666         owner->message(_("Opening document") + ' '
1667                        + MakeDisplayPath(filename) + "...");
1668         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1669         if (openbuf) {
1670                 owner->view()->buffer(openbuf);
1671                 owner->message(_("Document") + ' '
1672                                + MakeDisplayPath(filename)
1673                                + ' ' + _("opened."));
1674         } else {
1675                 owner->message(_("Could not open document") + ' '
1676                                + MakeDisplayPath(filename));
1677         }
1678 }
1679
1680
1681 // checks for running without gui are missing.
1682 void LyXFunc::doImport(string const & argument)
1683 {
1684         string format;
1685         string filename = split(argument, format, ' ');
1686         lyxerr.debug() << "LyXFunc::doImport: " << format
1687                        << " file: " << filename << endl;
1688
1689         if (filename.empty()) { // need user interaction
1690                 string initpath = lyxrc.document_path;
1691
1692                 if (owner->view()->available()) {
1693                         string const trypath = owner->buffer()->filepath;
1694                         // If directory is writeable, use this as default.
1695                         if (IsDirWriteable(trypath) == 1)
1696                                 initpath = trypath;
1697                 }
1698
1699                 string const text = _("Select ") + formats.PrettyName(format)
1700                         + _(" file to import");
1701
1702                 FileDialog fileDlg(owner, text,
1703                         LFUN_IMPORT,
1704                         make_pair(string(_("Documents")),
1705                                   string(lyxrc.document_path)),
1706                         make_pair(string(_("Examples")),
1707                                   string(AddPath(system_lyxdir, "examples"))));
1708
1709                 string const extension = "*." + formats.Extension(format)
1710                         + "| " + formats.PrettyName(format)
1711                         + " (*." + formats.Extension(format) + ")";
1712
1713                 FileDialog::Result result = fileDlg.Select(initpath,
1714                                                            extension);
1715
1716                 if (result.first == FileDialog::Later)
1717                         return;
1718
1719                 filename = result.second;
1720
1721                 // check selected filename
1722                 if (filename.empty())
1723                         owner->message(_("Canceled."));
1724         }
1725
1726         // still no filename? abort
1727         if (filename.empty())
1728                 return;
1729
1730         // get absolute path of file
1731         filename = MakeAbsPath(filename);
1732
1733         string const lyxfile = ChangeExtension(filename, ".lyx");
1734
1735         // Check if the document already is open
1736         if (bufferlist.exists(lyxfile)) {
1737                 switch (AskConfirmation(_("Document is already open:"),
1738                                         MakeDisplayPath(lyxfile, 50),
1739                                         _("Do you want to close that document now?\n"
1740                                           "('No' will just switch to the open version)")))
1741                         {
1742                         case 1: // Yes: close the document
1743                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1744                                 // If close is canceled, we cancel here too.
1745                                         return;
1746                                 break;
1747                         case 2: // No: switch to the open document
1748                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1749                                 return;
1750                         case 3: // Cancel: Do nothing
1751                                 owner->message(_("Canceled."));
1752                                 return;
1753                         }
1754         }
1755
1756         // Check if a LyX document by the same root exists in filesystem
1757         FileInfo const f(lyxfile, true);
1758         if (f.exist() && !AskQuestion(_("A document by the name"),
1759                                       MakeDisplayPath(lyxfile),
1760                                       _("already exists. Overwrite?"))) {
1761                 owner->message(_("Canceled"));
1762                 return;
1763         }
1764         // filename should be valid now
1765
1766         Importer::Import(owner, filename, format);
1767 }
1768
1769
1770 void LyXFunc::reloadBuffer()
1771 {
1772         string const fn = owner->buffer()->fileName();
1773         if (bufferlist.close(owner->buffer()))
1774                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1775 }
1776
1777
1778 void LyXFunc::CloseBuffer()
1779 {
1780         if (bufferlist.close(owner->buffer()) && !quitting) {
1781                 if (bufferlist.empty()) {
1782                         // need this otherwise SEGV may occur while trying to
1783                         // set variables that don't exist
1784                         // since there's no current buffer
1785                         owner->getDialogs()->hideBufferDependent();
1786                 } else {
1787                         owner->view()->buffer(bufferlist.first());
1788                 }
1789         }
1790 }
1791
1792
1793 // Each "owner" should have it's own message method. lyxview and
1794 // the minibuffer would use the minibuffer, but lyxserver would
1795 // send an ERROR signal to its client.  Alejandro 970603
1796 // This func is bit problematic when it comes to NLS, to make the
1797 // lyx servers client be language indepenent we must not translate
1798 // strings sent to this func.
1799 void LyXFunc::setErrorMessage(string const & m) const
1800 {
1801         dispatch_buffer = m;
1802         errorstat = true;
1803 }
1804
1805
1806 void LyXFunc::setMessage(string const & m)
1807 {
1808         dispatch_buffer = m;
1809 }
1810
1811
1812 void LyXFunc::initMiniBuffer()
1813 {
1814         string text = _("Welcome to LyX!");
1815
1816         // When meta-fake key is pressed, show the key sequence so far + "M-".
1817         if (wasMetaKey()) {
1818                 keyseqStr();
1819                 text += "M-";
1820         }
1821
1822         // Else, when a non-complete key sequence is pressed,
1823         // show the available options.
1824         else if (keyseqUncomplete())
1825                 text = keyseqOptions();
1826
1827         // Else, show the buffer state.
1828         else if (owner->view()->available()) {
1829                 Buffer * tmpbuf = owner->buffer();
1830
1831                 string const nicename =
1832                         MakeDisplayPath(tmpbuf->fileName());
1833                 // Should we do this instead? (kindo like emacs)
1834                 // leaves more room for other information
1835                 text = "LyX: ";
1836                 text += nicename;
1837                 if (tmpbuf->lyxvc.inUse()) {
1838                         text += " [";
1839                         text += tmpbuf->lyxvc.version();
1840                         text += ' ';
1841                         text += tmpbuf->lyxvc.locker();
1842                         if (tmpbuf->isReadonly())
1843                                 text += " (RO)";
1844                         text += ']';
1845                 } else if (tmpbuf->isReadonly())
1846                         text += " [RO]";
1847                 if (!tmpbuf->isLyxClean())
1848                         text += _(" (Changed)");
1849         } else {
1850                 if (text != _("Welcome to LyX!")) // this is a hack
1851                         text = _("* No document open *");
1852         }
1853
1854         owner->message(text);
1855 }
1856