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                 case LFUN_READ_ONLY_TOGGLE:
 525                         if (buf->isReadonly())
 526                                 box = LyXFunc::ToggleOn;
 527                         break;
 528                 default:
 529                         box = LyXFunc::OK;
 530                         break;
 531                 }
 532                 flag |= box;
 533         }
 534
 535         return flag;
 536 }
 537
 538
 539 // temporary dispatch method
 540 void LyXFunc::miniDispatch(string const & s)
 541 {
 542         Dispatch(s);
 543 }
 544
 545
 546 string const LyXFunc::Dispatch(string const & s)
 547 {
 548         // Split command string into command and argument
 549         string cmd;
 550         string line = frontStrip(s);
 551         string arg = strip(frontStrip(split(line, cmd, ' ')));
 552
 553         return Dispatch(lyxaction.LookupFunc(cmd), arg);
 554 }
 555
 556
 557 string const LyXFunc::Dispatch(int ac,
 558                                string const & do_not_use_this_arg)
 559 {
 560         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << ac
 561                               <<"] arg[" << do_not_use_this_arg << "]" << endl;
 562
 563         string argument;
 564         kb_action action;
 565
 566         // we have not done anything wrong yet.
 567         errorstat = false;
 568         dispatch_buffer.erase();
 569
 570         // if action is a pseudo-action, we need the real action
 571         if (lyxaction.isPseudoAction(ac)) {
 572                 string tmparg;
 573                 action = static_cast<kb_action>
 574                         (lyxaction.retrieveActionArg(ac, tmparg));
 575                 if (!tmparg.empty())
 576                         argument = tmparg;
 577         } else {
 578                 action = static_cast<kb_action>(ac);
 579                 if (!do_not_use_this_arg.empty())
 580                         argument = do_not_use_this_arg; // except here
 581         }
 582
 583         selection_possible = false;
 584
 585         if (owner->view()->available())
 586                 owner->view()->hideCursor();
 587
 588         // We cannot use this function here
 589         if (getStatus(ac, do_not_use_this_arg) & Disabled)
 590                 goto exit_with_message;
 591
 592         commandshortcut.erase();
 593
 594         if (lyxrc.display_shortcuts && show_sc) {
 595                 if (action != LFUN_SELFINSERT) {
 596                         // Put name of command and list of shortcuts
 597                         // for it in minibuffer
 598                         string comname = lyxaction.getActionName(action);
 599
 600                         int pseudoaction = action;
 601                         bool argsadded = false;
 602
 603                         if (!argument.empty()) {
 604                                 // If we have the command with argument,
 605                                 // this is better
 606                                 pseudoaction =
 607                                         lyxaction.searchActionArg(action,
 608                                                                   argument);
 609
 610                                 if (pseudoaction == -1) {
 611                                         pseudoaction = action;
 612                                 } else {
 613                                         comname += " " + argument;
 614                                         argsadded = true;
 615                                 }
 616                         }
 617
 618                         string const shortcuts =
 619                                 toplevel_keymap->findbinding(pseudoaction);
 620
 621                         if (!shortcuts.empty()) {
 622                                 comname += ": " + shortcuts;
 623                         } else if (!argsadded) {
 624                                 comname += " " + argument;
 625                         }
 626
 627                         if (!comname.empty()) {
 628                                 comname = strip(comname);
 629                                 commandshortcut = "(" + comname + ')';
 630                                 owner->message(commandshortcut);
 631
 632                                 // Here we could even add a small pause,
 633                                 // to annoy the user and make him learn
 634                                 // the shortcuts.
 635                                 // No! That will just annoy, not teach
 636                                 // anything. The user will read the messages
 637                                 // if they are interested. (Asger)
 638                         }
 639                 }
 640         }
 641
 642         if (owner->view()->available() && owner->view()->theLockingInset()) {
 643                 UpdatableInset::RESULT result;
 644                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 645                                      (keyseq.length >= -1)))
 646                 {
 647                         if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
 648                                 argument = keyseq.getiso();
 649                         }
 650                         // Undo/Redo pre 0.13 is a bit tricky for insets.
 651                         if (action == LFUN_UNDO) {
 652                                 int slx;
 653                                 int sly;
 654                                 UpdatableInset * inset =
 655                                         owner->view()->theLockingInset();
 656                                 inset->GetCursorPos(owner->view(), slx, sly);
 657                                 owner->view()->unlockInset(inset);
 658                                 owner->view()->menuUndo();
 659                                 if (TEXT()->cursor.par()->
 660                                     IsInset(TEXT()->cursor.pos())) {
 661                                         inset = static_cast<UpdatableInset*>(
 662                                                 TEXT()->cursor.par()->
 663                                                 GetInset(TEXT()->
 664                                                          cursor.pos()));
 665                                 } else {
 666                                         inset = 0;
 667                                 }
 668                                 if (inset)
 669                                         inset->Edit(owner->view(),slx,sly,0);
 670                                 return string();
 671                         } else if (action == LFUN_REDO) {
 672                                 int slx;
 673                                 int sly;
 674                                 UpdatableInset * inset = owner->view()->
 675                                         theLockingInset();
 676                                 inset->GetCursorPos(owner->view(), slx, sly);
 677                                 owner->view()->unlockInset(inset);
 678                                 owner->view()->menuRedo();
 679                                 inset = static_cast<UpdatableInset*>(
 680                                         TEXT()->cursor.par()->
 681                                         GetInset(TEXT()->
 682                                                  cursor.pos()));
 683                                 if (inset)
 684                                         inset->Edit(owner->view(),slx,sly,0);
 685                                 return string();
 686                         } else if (((result=owner->view()->theLockingInset()->
 687                                    LocalDispatch(owner->view(), action,
 688                                                  argument)) ==
 689                                    UpdatableInset::DISPATCHED) ||
 690                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 691                                 return string();
 692                         else {
 693                                 //setMessage(N_("Text mode"));
 694                                 switch (action) {
 695                                 case LFUN_UNKNOWN_ACTION:
 696                                 case LFUN_BREAKPARAGRAPH:
 697                                 case LFUN_BREAKLINE:
 698                                         TEXT()->CursorRight(owner->view());
 699                                         owner->view()->setState();
 700                                         owner->showState();
 701                                         break;
 702                                 case LFUN_RIGHT:
 703                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 704                                                 TEXT()->CursorRight(owner->view());
 705                                                 moveCursorUpdate(true, false);
 706                                                 owner->showState();
 707                                         }
 708                                         return string();
 709                                 case LFUN_LEFT:
 710                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 711                                                 TEXT()->CursorRight(owner->view());
 712                                                 moveCursorUpdate(true, false);
 713                                                 owner->showState();
 714                                         }
 715                                         return string();
 716                                 case LFUN_DOWN:
 717                                         if (TEXT()->cursor.row()->next())
 718                                                 TEXT()->CursorDown(owner->view());
 719                                         else
 720                                                 TEXT()->CursorRight(owner->view());
 721                                         moveCursorUpdate(true, false);
 722                                         owner->showState();
 723                                         return string();
 724                                 default:
 725                                         break;
 726                                 }
 727                         }
 728                 }
 729         }
 730
 731         lyx::Assert(action != LFUN_SELECT_FILE_SYNC);
 732
 733         switch (action) {
 734
 735         case LFUN_ESCAPE:
 736         {
 737                 if (!owner->view()->available()) break;
 738
 739                 // this function should be used always [asierra060396]
 740                 UpdatableInset * tli =
 741                         owner->view()->theLockingInset();
 742                 if (tli) {
 743                         UpdatableInset * lock = tli->GetLockingInset();
 744
 745                         if (tli == lock) {
 746                                 owner->view()->unlockInset(tli);
 747                                 TEXT()->CursorRight(owner->view());
 748                                 moveCursorUpdate(true, false);
 749                                 owner->showState();
 750                         } else {
 751                                 tli->UnlockInsetInInset(owner->view(),
 752                                                         lock,
 753                                                         true);
 754                         }
 755                 }
 756         }
 757         break;
 758
 759                 // --- Misc -------------------------------------------
 760         case LFUN_WORDFINDFORWARD  :
 761         case LFUN_WORDFINDBACKWARD : {
 762                 static string last_search;
 763                 string searched_string;
 764
 765                 if (!argument.empty()) {
 766                         last_search = argument;
 767                         searched_string = argument;
 768                 } else {
 769                         searched_string = last_search;
 770                 }
 771
 772                 if (!searched_string.empty() &&
 773                     ((action == LFUN_WORDFINDBACKWARD) ?
 774                      SearchBackward(owner->view(), searched_string) :
 775                      SearchForward(owner->view(), searched_string))) {
 776
 777                         // ??? What is that ???
 778                         owner->view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 779
 780                         // ??? Needed ???
 781                         // clear the selection (if there is any)
 782                         owner->view()->toggleSelection();
 783                         TEXT()->ClearSelection(owner->view());
 784
 785                         // Move cursor so that successive C-s 's will not stand in place.
 786                         if (action == LFUN_WORDFINDFORWARD )
 787                                 TEXT()->CursorRightOneWord(owner->view());
 788                         TEXT()->FinishUndo();
 789                         moveCursorUpdate(true, false);
 790
 791                         // ??? Needed ???
 792                         // set the new selection
 793                         // SetSelectionOverLenChars(owner->view()->currentBuffer()->text, iLenSelected);
 794                         owner->view()->toggleSelection(false);
 795                 }
 796
 797                 // REMOVED : if (owner->view()->getWorkArea()->focus)
 798                 owner->view()->showCursor();
 799         }
 800         break;
 801
 802         case LFUN_PREFIX:
 803         {
 804                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
 805                         owner->view()->update(TEXT(),
 806                                               BufferView::SELECT|BufferView::FITCUR);
 807                 }
 808                 string buf;
 809                 keyseq.print(buf, true);
 810                 owner->message(buf);
 811         }
 812         break;
 813
 814         // --- Misc -------------------------------------------
 815         case LFUN_EXEC_COMMAND:
 816         {
 817                 std::vector<string> allCmds;
 818                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
 819                                std::back_inserter(allCmds), lyx::firster());
 820                 static std::vector<string> hist;
 821                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
 822                                                   allCmds, hist);
 823         }
 824         break;
 825
 826         case LFUN_CANCEL:                   // RVDK_PATCH_5
 827                 keyseq.reset();
 828                 meta_fake_bit = 0;
 829                 if (owner->view()->available())
 830                         // cancel any selection
 831                         Dispatch(LFUN_MARK_OFF);
 832                 setMessage(N_("Cancel"));
 833                 break;
 834
 835         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 836         {
 837                 meta_fake_bit = Mod1Mask;
 838                 string buf;
 839                 keyseq.print(buf, true);
 840                 setMessage(buf); // RVDK_PATCH_5
 841         }
 842         break;
 843
 844         case LFUN_READ_ONLY_TOGGLE:
 845                 if (owner->buffer()->lyxvc.inUse()) {
 846                         owner->buffer()->lyxvc.toggleReadOnly();
 847                 } else {
 848                         owner->buffer()->setReadonly(
 849                                 !owner->buffer()->isReadonly());
 850                 }
 851                 break;
 852
 853         case LFUN_CENTER: // this is center and redraw.
 854                 owner->view()->center();
 855                 break;
 856
 857                 // --- Menus -----------------------------------------------
 858         case LFUN_MENUNEW:
 859                 MenuNew(false);
 860                 break;
 861
 862         case LFUN_MENUNEWTMPLT:
 863                 MenuNew(true);
 864                 break;
 865
 866         case LFUN_CLOSEBUFFER:
 867                 CloseBuffer();
 868                 break;
 869
 870         case LFUN_MENUWRITE:
 871                 if (!owner->buffer()->isUnnamed()) {
 872                         ostringstream s1;
 873                         s1 << _("Saving document") << ' '
 874                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 875                         owner->message(s1.str().c_str());
 876                         MenuWrite(owner->view(), owner->buffer());
 877                 } else
 878                         WriteAs(owner->view(), owner->buffer());
 879                 break;
 880
 881         case LFUN_WRITEAS:
 882                 WriteAs(owner->view(), owner->buffer(), argument);
 883                 break;
 884
 885         case LFUN_MENURELOAD:
 886                 reloadBuffer();
 887                 break;
 888
 889         case LFUN_UPDATE:
 890                 Exporter::Export(owner->buffer(), argument, true);
 891                 break;
 892
 893         case LFUN_PREVIEW:
 894                 Exporter::Preview(owner->buffer(), argument);
 895                 break;
 896
 897         case LFUN_BUILDPROG:
 898                 Exporter::Export(owner->buffer(), "program", true);
 899                 break;
 900
 901         case LFUN_RUNCHKTEX:
 902                 MenuRunChktex(owner->buffer());
 903                 break;
 904
 905         case LFUN_MENUPRINT:
 906                 owner->getDialogs()->showPrint();
 907                 break;
 908
 909         case LFUN_EXPORT:
 910                 if (argument == "custom")
 911                         MenuSendto();
 912                 else
 913                         Exporter::Export(owner->buffer(), argument, false);
 914                 break;
 915
 916         case LFUN_IMPORT:
 917                 doImport(argument);
 918                 break;
 919
 920         case LFUN_QUIT:
 921                 QuitLyX();
 922                 break;
 923
 924         case LFUN_TOCVIEW:
 925 #if 0
 926         case LFUN_LOFVIEW:
 927         case LFUN_LOTVIEW:
 928         case LFUN_LOAVIEW:
 929 #endif
 930         {
 931                 InsetCommandParams p;
 932
 933 #if 0
 934                 if (action == LFUN_TOCVIEW)
 935 #endif
 936                         p.setCmdName("tableofcontents");
 937 #if 0
 938                 else if (action == LFUN_LOAVIEW )
 939                         p.setCmdName("listof{algorithm}{List of Algorithms}");
 940                 else if (action == LFUN_LOFVIEW)
 941                         p.setCmdName("listoffigures");
 942                 else
 943                         p.setCmdName("listoftables");
 944 #endif
 945                 owner->getDialogs()->createTOC(p.getAsString());
 946                 break;
 947         }
 948
 949         case LFUN_DIALOG_TABULAR_INSERT:
 950                 owner->getDialogs()->showTabularCreate();
 951                 break;
 952
 953         case LFUN_FIGURE:
 954                 Figure();
 955                 break;
 956
 957         case LFUN_AUTOSAVE:
 958                 AutoSave(owner->view());
 959                 break;
 960
 961         case LFUN_UNDO:
 962                 owner->view()->menuUndo();
 963                 break;
 964
 965         case LFUN_REDO:
 966                 owner->view()->menuRedo();
 967                 break;
 968
 969         case LFUN_MENUSEARCH:
 970                 owner->getDialogs()->showSearch();
 971                 break;
 972
 973         case LFUN_REMOVEERRORS:
 974                 if (owner->view()->removeAutoInsets()) {
 975                         owner->view()->redraw();
 976                         owner->view()->fitCursor(TEXT());
 977                 }
 978                 break;
 979
 980         case LFUN_DEPTH:
 981                 changeDepth(owner->view(), TEXT(false), 0);
 982                 break;
 983
 984         case LFUN_DEPTH_MIN:
 985                 changeDepth(owner->view(), TEXT(false), -1);
 986                 break;
 987
 988         case LFUN_DEPTH_PLUS:
 989                 changeDepth(owner->view(), TEXT(false), 1);
 990                 break;
 991
 992         case LFUN_FREE:
 993                 owner->getDialogs()->setUserFreeFont();
 994                 break;
 995
 996         case LFUN_TEX:
 997                 Tex(owner->view());
 998                 owner->view()->setState();
 999                 owner->showState();
1000                 break;
1001
1002         case LFUN_RECONFIGURE:
1003                 Reconfigure(owner->view());
1004                 break;
1005
1006 #if 0
1007         case LFUN_FLOATSOPERATE:
1008                 if (argument == "openfoot")
1009                         owner->view()->allFloats(1,0);
1010                 else if (argument == "closefoot")
1011                         owner->view()->allFloats(0,0);
1012                 else if (argument == "openfig")
1013                         owner->view()->allFloats(1,1);
1014                 else if (argument == "closefig")
1015                         owner->view()->allFloats(0,1);
1016                 break;
1017 #else
1018 #ifdef WITH_WARNINGS
1019 #warning Find another implementation here (or another lyxfunc)!
1020 #endif
1021 #endif
1022         case LFUN_HELP_COPYRIGHT:
1023                 owner->getDialogs()->showCopyright();
1024                 break;
1025
1026         case LFUN_HELP_CREDITS:
1027                 owner->getDialogs()->showCredits();
1028                 break;
1029
1030         case LFUN_HELP_OPEN:
1031         {
1032                 string const arg = argument;
1033                 if (arg.empty()) {
1034                         setErrorMessage(N_("Missing argument"));
1035                         break;
1036                 }
1037                 ProhibitInput(owner->view());
1038                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1039                 if (fname.empty()) {
1040                         lyxerr << "LyX: unable to find documentation file `"
1041                                << arg << "'. Bad installation?" << endl;
1042                         AllowInput(owner->view());
1043                         break;
1044                 }
1045                 ostringstream str;
1046                 str << _("Opening help file") << ' '
1047                     << MakeDisplayPath(fname) << "...";
1048                 owner->message(str.str().c_str());
1049                 owner->view()->buffer(bufferlist.loadLyXFile(fname,false));
1050                 AllowInput(owner->view());
1051                 break;
1052         }
1053
1054         case LFUN_HELP_VERSION: {
1055                 ProhibitInput(owner->view());
1056                 string msg(_("LyX Version "));
1057                 msg += LYX_VERSION;
1058                 msg += " of ";
1059                 msg += LYX_RELEASE;
1060                 fl_show_message(msg.c_str(),
1061                                 (_("Library directory: ")
1062                                  + MakeDisplayPath(system_lyxdir)).c_str(),
1063                                 (_("User directory: ")
1064                                  + MakeDisplayPath(user_lyxdir)).c_str());
1065                 AllowInput(owner->view());
1066                 break;
1067         }
1068
1069                 // --- version control -------------------------------
1070         case LFUN_VC_REGISTER:
1071         {
1072                 if (!owner->buffer()->lyxvc.inUse())
1073                         owner->buffer()->lyxvc.registrer();
1074         }
1075         break;
1076
1077         case LFUN_VC_CHECKIN:
1078         {
1079                 if (owner->buffer()->lyxvc.inUse()
1080                     && !owner->buffer()->isReadonly())
1081                         owner->buffer()->lyxvc.checkIn();
1082         }
1083         break;
1084
1085         case LFUN_VC_CHECKOUT:
1086         {
1087                 if (owner->buffer()->lyxvc.inUse()
1088                     && owner->buffer()->isReadonly())
1089                         owner->buffer()->lyxvc.checkOut();
1090         }
1091         break;
1092
1093         case LFUN_VC_REVERT:
1094         {
1095                 owner->buffer()->lyxvc.revert();
1096         }
1097         break;
1098
1099         case LFUN_VC_UNDO:
1100         {
1101                 owner->buffer()->lyxvc.undoLast();
1102         }
1103         break;
1104
1105         case LFUN_VC_HISTORY:
1106         {
1107                 owner->getDialogs()->showVCLogFile();
1108                 break;
1109         }
1110
1111         // --- buffers ----------------------------------------
1112
1113         case LFUN_SWITCHBUFFER:
1114                 owner->view()->buffer(bufferlist.getBuffer(argument));
1115                 break;
1116
1117         case LFUN_FILE_NEW:
1118         {
1119                 // servercmd: argument must be <file>:<template>
1120                 Buffer * tmpbuf = NewLyxFile(argument);
1121                 if (tmpbuf)
1122                         owner->view()->buffer(tmpbuf);
1123         }
1124         break;
1125
1126         case LFUN_FILE_OPEN:
1127                 Open(argument);
1128                 break;
1129
1130         case LFUN_LATEX_LOG:
1131                 owner->getDialogs()->showLogFile();
1132                 break;
1133
1134         case LFUN_LAYOUTNO:
1135         {
1136                 lyxerr.debug() << "LFUN_LAYOUTNO: (arg) " << argument << endl;
1137                 int sel = strToInt(argument);
1138                 lyxerr.debug() << "LFUN_LAYOUTNO: (sel) "<< sel << endl;
1139
1140                 // Should this give a setMessage instead?
1141                 if (sel == 0)
1142                         return string(); // illegal argument
1143
1144                 --sel; // sel 1..., but layout 0...
1145
1146                 // Pretend we got the name instead.
1147                 Dispatch(int(LFUN_LAYOUT),
1148                          textclasslist.NameOfLayout(owner->view()
1149                                                     ->buffer()->params.textclass,
1150                                                     sel));
1151                 return string();
1152         }
1153
1154         case LFUN_LAYOUT_DOCUMENT:
1155                 owner->getDialogs()->showLayoutDocument();
1156                 break;
1157
1158         case LFUN_LAYOUT_PARAGRAPH:
1159                 owner->getDialogs()->showLayoutParagraph();
1160                 break;
1161
1162         case LFUN_LAYOUT_CHARACTER:
1163                 owner->getDialogs()->showLayoutCharacter();
1164                 break;
1165
1166         case LFUN_LAYOUT_TABULAR:
1167             if (owner->view()->theLockingInset()) {
1168                 if (owner->view()->theLockingInset()->LyxCode()==Inset::TABULAR_CODE) {
1169                     InsetTabular * inset = static_cast<InsetTabular *>
1170                         (owner->view()->theLockingInset());
1171                     inset->OpenLayoutDialog(owner->view());
1172                 } else if (owner->view()->theLockingInset()->
1173                            GetFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1174                     InsetTabular * inset = static_cast<InsetTabular *>(
1175                         owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE));
1176                     inset->OpenLayoutDialog(owner->view());
1177                 }
1178             }
1179             break;
1180
1181         case LFUN_LAYOUT_PREAMBLE:
1182                 owner->getDialogs()->showPreamble();
1183                 break;
1184
1185         case LFUN_LAYOUT_SAVE_DEFAULT:
1186                 MenuLayoutSave(owner->view());
1187                 break;
1188
1189         case LFUN_DROP_LAYOUTS_CHOICE:
1190                 owner->getToolbar()->openLayoutList();
1191                 break;
1192
1193         case LFUN_MENU_OPEN_BY_NAME:
1194                 owner->getMenubar()->openByName(argument);
1195                 break; // RVDK_PATCH_5
1196
1197         case LFUN_SPELLCHECK:
1198                 if (lyxrc.isp_command != "none")
1199                         ShowSpellChecker(owner->view());
1200                 break; // RVDK_PATCH_5
1201
1202         // --- lyxserver commands ----------------------------
1203
1204
1205         case LFUN_GETNAME:
1206                 setMessage(owner->buffer()->fileName());
1207                 lyxerr.debug() << "FNAME["
1208                                << owner->buffer()->fileName()
1209                                << "] " << endl;
1210                 break;
1211
1212         case LFUN_NOTIFY:
1213         {
1214                 string buf;
1215                 keyseq.print(buf);
1216                 dispatch_buffer = buf;
1217                 lyxserver->notifyClient(dispatch_buffer);
1218         }
1219         break;
1220
1221         case LFUN_GOTOFILEROW:
1222         {
1223                 char file_name[100];
1224                 int row;
1225                 ::sscanf(argument.c_str(), " %s %d", file_name, &row);
1226
1227                 // Must replace extension of the file to be .lyx and get full path
1228                 string s = ChangeExtension(string(file_name), ".lyx");
1229
1230                 // Either change buffer or load the file
1231                 if (bufferlist.exists(s))
1232                         owner->view()->buffer(bufferlist.getBuffer(s));
1233                 else
1234                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1235
1236                 // Set the cursor
1237                 owner->view()->setCursorFromRow(row);
1238
1239                 // Recenter screen
1240                 owner->view()->center();
1241         }
1242         break;
1243
1244         case LFUN_GOTO_PARAGRAPH:
1245         {
1246                 istringstream istr(argument.c_str());
1247
1248                 int id;
1249                 istr >> id;
1250                 LyXParagraph * par = TEXT()->GetParFromID(id);
1251                 if (par == 0)
1252                         break;
1253
1254                 // Set the cursor
1255                 TEXT()->SetCursor(owner->view(), par, 0);
1256                 owner->view()->setState();
1257                 owner->showState();
1258
1259                 // Recenter screen
1260                 owner->view()->center();
1261         }
1262         break;
1263
1264         case LFUN_APROPOS:
1265         case LFUN_GETTIP:
1266         {
1267                 int const qa = lyxaction.LookupFunc(argument);
1268                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1269         }
1270         break;
1271
1272         // --- toolbar ----------------------------------
1273         case LFUN_PUSH_TOOLBAR:
1274         {
1275                 int nth = strToInt(argument);
1276                 if (nth <= 0) {
1277                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1278                 } else {
1279                         owner->getToolbar()->push(nth);
1280                 }
1281         }
1282         break;
1283
1284         case LFUN_ADD_TO_TOOLBAR:
1285         {
1286                 if (lyxerr.debugging(Debug::GUI)) {
1287                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1288                                 "argument = `" << argument << '\'' << endl;
1289                 }
1290                 string tmp(argument);
1291                 //lyxerr <<string("Argument: ") + argument);
1292                 //lyxerr <<string("Tmp     : ") + tmp);
1293                 if (tmp.empty()) {
1294                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1295                 } else {
1296                         owner->getToolbar()->add(argument, false);
1297                         owner->getToolbar()->set();
1298                 }
1299         }
1300         break;
1301
1302         // --- insert characters ----------------------------------------
1303
1304         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1305
1306         // Greek mode
1307         case LFUN_GREEK:
1308         {
1309                 if (!greek_kb_flag) {
1310                         greek_kb_flag = 1;
1311                         setMessage(N_("Math greek mode on"));
1312                 } else
1313                         greek_kb_flag = 0;
1314         }
1315         break;
1316
1317         // Greek keyboard
1318         case LFUN_GREEK_TOGGLE:
1319         {
1320                 greek_kb_flag = greek_kb_flag ? 0 : 2;
1321                 if (greek_kb_flag) {
1322                         setMessage(N_("Math greek keyboard on"));
1323                 } else {
1324                         setMessage(N_("Math greek keyboard off"));
1325                 }
1326         }
1327         break;
1328
1329         case LFUN_MATH_EXTERN:
1330         case LFUN_MATH_NUMBER:
1331         case LFUN_MATH_LIMITS:
1332         {
1333                 setErrorMessage(N_("This is only allowed in math mode!"));
1334         }
1335         break;
1336
1337         case LFUN_MATH_PANEL:
1338                 owner->getDialogs()->showMathPanel();
1339                 break;
1340
1341         case LFUN_CITATION_CREATE:
1342         {
1343                 InsetCommandParams p( "cite" );
1344
1345                 if (!argument.empty()) {
1346                         // This should be set at source, ie when typing
1347                         // "citation-insert foo" in the minibuffer.
1348                         // Question: would pybibliographer also need to be
1349                         // changed. Suspect so. Leave as-is therefore.
1350                         if (contains(argument, "|")) {
1351                                 p.setContents( token(argument, '|', 0) );
1352                                 p.setOptions(  token(argument, '|', 1) );
1353                         } else {
1354                                 p.setContents( argument );
1355                         }
1356                         Dispatch(LFUN_CITATION_INSERT, p.getAsString());
1357                 } else
1358                         owner->getDialogs()->createCitation( p.getAsString() );
1359         }
1360         break;
1361
1362         case LFUN_CHILDOPEN:
1363         {
1364                 string const filename =
1365                         MakeAbsPath(argument,
1366                                     OnlyPath(owner->buffer()->fileName()));
1367                 setMessage(N_("Opening child document ") +
1368                            MakeDisplayPath(filename) + "...");
1369                 owner->view()->savePosition(0);
1370                 if (bufferlist.exists(filename))
1371                         owner->view()->buffer(bufferlist.getBuffer(filename));
1372                 else
1373                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1374         }
1375         break;
1376
1377         case LFUN_TOGGLECURSORFOLLOW:
1378                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1379                 break;
1380
1381         case LFUN_KMAP_OFF:             // keymap off
1382                 owner->getIntl()->KeyMapOn(false);
1383                 break;
1384
1385         case LFUN_KMAP_PRIM:    // primary keymap
1386                 owner->getIntl()->KeyMapPrim();
1387                 break;
1388
1389         case LFUN_KMAP_SEC:             // secondary keymap
1390                 owner->getIntl()->KeyMapSec();
1391                 break;
1392
1393         case LFUN_KMAP_TOGGLE:  // toggle keymap
1394                 owner->getIntl()->ToggleKeyMap();
1395                 break;
1396
1397         case LFUN_SEQUENCE:
1398         {
1399                 // argument contains ';'-terminated commands
1400                 while (argument.find(';') != string::npos) {
1401                         string first;
1402                         argument = split(argument, first, ';');
1403                         Dispatch(first);
1404                 }
1405         }
1406         break;
1407
1408         case LFUN_DIALOG_PREFERENCES:
1409                 owner->getDialogs()->showPreferences();
1410                 break;
1411
1412         case LFUN_SAVEPREFERENCES:
1413         {
1414                 Path p(user_lyxdir);
1415                 lyxrc.write("preferences");
1416         }
1417         break;
1418
1419         case LFUN_SCREEN_FONT_UPDATE:
1420         {
1421                 // handle the screen font changes.
1422                 //
1423                 lyxrc.set_font_norm_type();
1424                 fontloader.update();
1425                 // Of course we should only do the resize and the textcache.clear
1426                 // if values really changed...but not very important right now. (Lgb)
1427                 // All buffers will need resize
1428                 bufferlist.resize();
1429                 // We also need to empty the textcache so that
1430                 // the buffer will be formatted correctly after
1431                 // a zoom change.
1432                 textcache.clear();
1433         }
1434         break;
1435
1436         case LFUN_SET_COLOR:
1437         {
1438                 string lyx_name;
1439                 string const x11_name = split(argument, lyx_name, ' ');
1440                 if (lyx_name.empty() || x11_name.empty()) {
1441                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1442                                                 " <x11_name>"));
1443                         break;
1444                         }
1445
1446                 if (!lcolor.setColor(lyx_name, x11_name)) {
1447                         static string const err1 (N_("Set-color \""));
1448                         static string const err2 (
1449                                 N_("\" failed - color is undefined "
1450                                    "or may not be redefined"));
1451                         setErrorMessage(_(err1) + lyx_name + _(err2));
1452                         break;
1453                 }
1454                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1455                 owner->view()->redraw();
1456                 break;
1457         }
1458
1459         case LFUN_MESSAGE:
1460                 owner->message(argument);
1461                 break;
1462
1463         case LFUN_MESSAGE_PUSH:
1464                 owner->messagePush(argument);
1465                 break;
1466
1467         case LFUN_MESSAGE_POP:
1468                 owner->messagePop();
1469                 break;
1470
1471         default:
1472                 // Then if it was none of the above
1473                 if (!owner->view()->Dispatch(action, argument))
1474                         lyxerr << "A truly unknown func ["
1475                                << action << "]!" << endl;
1476                 break;
1477         } // end of switch
1478
1479 exit_with_message:
1480
1481         string const res = getMessage();
1482
1483         if (res.empty()) {
1484                 if (!commandshortcut.empty()) {
1485                         owner->getMiniBuffer()->addSet(commandshortcut);
1486                 }
1487         } else {
1488                 string const msg(_(res) + ' ' + commandshortcut);
1489                 owner->message(msg);
1490         }
1491
1492         return res;
1493 }
1494
1495
1496 void LyXFunc::setupLocalKeymap()
1497 {
1498         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1499         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1500 }
1501
1502
1503 void LyXFunc::MenuNew(bool fromTemplate)
1504 {
1505         string initpath = lyxrc.document_path;
1506
1507         if (owner->view()->available()) {
1508                 string const trypath = owner->buffer()->filepath;
1509                 // If directory is writeable, use this as default.
1510                 if (IsDirWriteable(trypath) == 1)
1511                         initpath = trypath;
1512         }
1513
1514         static int newfile_number;
1515         string s;
1516
1517         if (lyxrc.new_ask_filename) {
1518                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1519                                    LFUN_SELECT_FILE_SYNC,
1520                         make_pair(string(_("Documents")),
1521                                   string(lyxrc.document_path)),
1522                         make_pair(string(_("Templates")),
1523                                   string(lyxrc.template_path)));
1524
1525                 FileDialog::Result result =
1526                         fileDlg.Select(initpath,
1527                                        _("*.lyx|LyX Documents (*.lyx)"),
1528                                        _("newfile"));
1529
1530                 if (result.second.empty()) {
1531                         owner->message(_("Canceled."));
1532                         lyxerr.debug() << "New Document Cancelled." << endl;
1533                         return;
1534                 }
1535
1536                 // get absolute path of file and make sure the filename ends
1537                 // with .lyx
1538                 s = MakeAbsPath(result.second);
1539                 if (!IsLyXFilename(s))
1540                         s += ".lyx";
1541
1542                 // Check if the document already is open
1543                 if (bufferlist.exists(s)) {
1544                         switch (AskConfirmation(_("Document is already open:"),
1545                                                 MakeDisplayPath(s, 50),
1546                                                 _("Do you want to close that document now?\n"
1547                                                   "('No' will just switch to the open version)")))
1548                         {
1549                         case 1: // Yes: close the document
1550                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1551                                 // If close is canceled, we cancel here too.
1552                                         return;
1553                                 break;
1554                         case 2: // No: switch to the open document
1555                                 owner->view()->buffer(bufferlist.getBuffer(s));
1556                                 return;
1557                         case 3: // Cancel: Do nothing
1558                                 owner->message(_("Canceled."));
1559                                 return;
1560                         }
1561                 }
1562                 // Check whether the file already exists
1563                 if (IsLyXFilename(s)) {
1564                         FileInfo fi(s);
1565                         if (fi.readable() &&
1566                             AskQuestion(_("File already exists:"),
1567                                         MakeDisplayPath(s, 50),
1568                                         _("Do you want to open the document?"))) {
1569                                 // loads document
1570                                 string const disp_fn(MakeDisplayPath(s));
1571
1572                                 ostringstream str;
1573                                 str << _("Opening  document") << ' '
1574                                     << disp_fn << "...";
1575
1576                                 owner->message(str.str().c_str());
1577                                 //XFlush(fl_get_display());
1578                                 owner->view()->buffer(
1579                                         bufferlist.loadLyXFile(s));
1580                                 ostringstream str2;
1581                                 str2 << _("Document") << ' '
1582                                      << disp_fn << ' ' << _("opened.");
1583
1584                                 owner->message(str2.str().c_str());
1585
1586                                 return;
1587                         }
1588                 }
1589         } else {
1590                 s = AddName(lyxrc.document_path,
1591                             "newfile" + tostr(++newfile_number) + ".lyx");
1592                 FileInfo fi(s);
1593                 while (bufferlist.exists(s) || fi.readable()) {
1594                         ++newfile_number;
1595                         s = AddName(lyxrc.document_path,
1596                                     "newfile" + tostr(newfile_number) +
1597                                     ".lyx");
1598                         fi.newFile(s);
1599                 }
1600         }
1601
1602         // The template stuff
1603         string templname;
1604         if (fromTemplate) {
1605                 FileDialog fileDlg(owner, _("Select template file"),
1606                         LFUN_SELECT_FILE_SYNC,
1607                         make_pair(string(_("Documents")),
1608                                   string(lyxrc.document_path)),
1609                         make_pair(string(_("Templates")),
1610                                   string(lyxrc.template_path)));
1611
1612                 FileDialog::Result result =
1613                         fileDlg.Select(initpath,
1614                                        _("*.lyx|LyX Documents (*.lyx)"));
1615
1616                 if (result.first == FileDialog::Later)
1617                         return;
1618
1619                 string const fname = result.second;
1620
1621                 if (fname.empty())
1622                         return;
1623                 templname = fname;
1624         }
1625
1626         // find a free buffer
1627         lyxerr.debug() << "Find a free buffer." << endl;
1628         owner->view()->buffer(bufferlist.newFile(s, templname));
1629 }
1630
1631
1632 void LyXFunc::Open(string const & fname)
1633 {
1634         string initpath = lyxrc.document_path;
1635
1636         if (owner->view()->available()) {
1637                 string const trypath = owner->buffer()->filepath;
1638                 // If directory is writeable, use this as default.
1639                 if (IsDirWriteable(trypath) == 1)
1640                         initpath = trypath;
1641         }
1642
1643         string filename;
1644
1645         if (fname.empty()) {
1646                 FileDialog fileDlg(owner, _("Select document to open"),
1647                         LFUN_FILE_OPEN,
1648                         make_pair(string(_("Documents")),
1649                                   string(lyxrc.document_path)),
1650                         make_pair(string(_("Examples")),
1651                                   string(AddPath(system_lyxdir, "examples"))));
1652
1653                 FileDialog::Result result =
1654                         fileDlg.Select(initpath,
1655                                        "*.lyx|LyX Documents (*.lyx)");
1656
1657                 if (result.first == FileDialog::Later)
1658                         return;
1659
1660                 filename = result.second;
1661
1662                 // check selected filename
1663                 if (filename.empty()) {
1664                         owner->message(_("Canceled."));
1665                         return;
1666                 }
1667         } else
1668                 filename = fname;
1669
1670         // get absolute path of file and make sure the filename ends
1671         // with .lyx
1672         filename = MakeAbsPath(filename);
1673         if (!IsLyXFilename(filename))
1674                 filename += ".lyx";
1675
1676         // loads document
1677         string const disp_fn(MakeDisplayPath(filename));
1678
1679         ostringstream str;
1680         str << _("Opening document") << ' ' << disp_fn << "...";
1681
1682         owner->message(str.str().c_str());
1683
1684         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1685         if (openbuf) {
1686                 owner->view()->buffer(openbuf);
1687                 ostringstream str;
1688                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1689                 owner->message(str.str().c_str());
1690         } else {
1691                 ostringstream str;
1692                 str << _("Could not open docuent") << ' ' << disp_fn;
1693                 owner->message(str.str().c_str());
1694         }
1695 }
1696
1697
1698 // checks for running without gui are missing.
1699 void LyXFunc::doImport(string const & argument)
1700 {
1701         string format;
1702         string filename = split(argument, format, ' ');
1703         lyxerr.debug() << "LyXFunc::doImport: " << format
1704                        << " file: " << filename << endl;
1705
1706         if (filename.empty()) { // need user interaction
1707                 string initpath = lyxrc.document_path;
1708
1709                 if (owner->view()->available()) {
1710                         string const trypath = owner->buffer()->filepath;
1711                         // If directory is writeable, use this as default.
1712                         if (IsDirWriteable(trypath) == 1)
1713                                 initpath = trypath;
1714                 }
1715
1716                 string const text = _("Select ") + formats.PrettyName(format)
1717                         + _(" file to import");
1718
1719                 FileDialog fileDlg(owner, text,
1720                         LFUN_IMPORT,
1721                         make_pair(string(_("Documents")),
1722                                   string(lyxrc.document_path)),
1723                         make_pair(string(_("Examples")),
1724                                   string(AddPath(system_lyxdir, "examples"))));
1725
1726                 string const extension = "*." + formats.Extension(format)
1727                         + "| " + formats.PrettyName(format)
1728                         + " (*." + formats.Extension(format) + ")";
1729
1730                 FileDialog::Result result = fileDlg.Select(initpath,
1731                                                            extension);
1732
1733                 if (result.first == FileDialog::Later)
1734                         return;
1735
1736                 filename = result.second;
1737
1738                 // check selected filename
1739                 if (filename.empty())
1740                         owner->message(_("Canceled."));
1741         }
1742
1743         // still no filename? abort
1744         if (filename.empty())
1745                 return;
1746
1747         // get absolute path of file
1748         filename = MakeAbsPath(filename);
1749
1750         string const lyxfile = ChangeExtension(filename, ".lyx");
1751
1752         // Check if the document already is open
1753         if (bufferlist.exists(lyxfile)) {
1754                 switch (AskConfirmation(_("Document is already open:"),
1755                                         MakeDisplayPath(lyxfile, 50),
1756                                         _("Do you want to close that document now?\n"
1757                                           "('No' will just switch to the open version)")))
1758                         {
1759                         case 1: // Yes: close the document
1760                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1761                                 // If close is canceled, we cancel here too.
1762                                         return;
1763                                 break;
1764                         case 2: // No: switch to the open document
1765                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1766                                 return;
1767                         case 3: // Cancel: Do nothing
1768                                 owner->message(_("Canceled."));
1769                                 return;
1770                         }
1771         }
1772
1773         // Check if a LyX document by the same root exists in filesystem
1774         FileInfo const f(lyxfile, true);
1775         if (f.exist() && !AskQuestion(_("A document by the name"),
1776                                       MakeDisplayPath(lyxfile),
1777                                       _("already exists. Overwrite?"))) {
1778                 owner->message(_("Canceled"));
1779                 return;
1780         }
1781         // filename should be valid now
1782
1783         Importer::Import(owner, filename, format);
1784 }
1785
1786
1787 void LyXFunc::reloadBuffer()
1788 {
1789         string const fn = owner->buffer()->fileName();
1790         if (bufferlist.close(owner->buffer()))
1791                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1792 }
1793
1794
1795 void LyXFunc::CloseBuffer()
1796 {
1797         if (bufferlist.close(owner->buffer()) && !quitting) {
1798                 if (bufferlist.empty()) {
1799                         // need this otherwise SEGV may occur while trying to
1800                         // set variables that don't exist
1801                         // since there's no current buffer
1802                         owner->getDialogs()->hideBufferDependent();
1803                 } else {
1804                         owner->view()->buffer(bufferlist.first());
1805                 }
1806         }
1807 }
1808
1809
1810 // Each "owner" should have it's own message method. lyxview and
1811 // the minibuffer would use the minibuffer, but lyxserver would
1812 // send an ERROR signal to its client.  Alejandro 970603
1813 // This func is bit problematic when it comes to NLS, to make the
1814 // lyx servers client be language indepenent we must not translate
1815 // strings sent to this func.
1816 void LyXFunc::setErrorMessage(string const & m) const
1817 {
1818         dispatch_buffer = m;
1819         errorstat = true;
1820 }
1821
1822
1823 void LyXFunc::setMessage(string const & m)
1824 {
1825         dispatch_buffer = m;
1826 }
1827
1828
1829 void LyXFunc::initMiniBuffer()
1830 {
1831         string text = _("Welcome to LyX!");
1832
1833         // When meta-fake key is pressed, show the key sequence so far + "M-".
1834         if (wasMetaKey()) {
1835                 keyseqStr();
1836                 text += "M-";
1837         }
1838
1839         // Else, when a non-complete key sequence is pressed,
1840         // show the available options.
1841         else if (keyseqUncomplete())
1842                 text = keyseqOptions();
1843
1844         // Else, show the buffer state.
1845         else if (owner->view()->available()) {
1846                 Buffer * tmpbuf = owner->buffer();
1847
1848                 string const nicename =
1849                         MakeDisplayPath(tmpbuf->fileName());
1850                 // Should we do this instead? (kindo like emacs)
1851                 // leaves more room for other information
1852                 text = "LyX: ";
1853                 text += nicename;
1854                 if (tmpbuf->lyxvc.inUse()) {
1855                         text += " [";
1856                         text += tmpbuf->lyxvc.version();
1857                         text += ' ';
1858                         text += tmpbuf->lyxvc.locker();
1859                         if (tmpbuf->isReadonly())
1860                                 text += " (RO)";
1861                         text += ']';
1862                 } else if (tmpbuf->isReadonly())
1863                         text += " [RO]";
1864                 if (!tmpbuf->isLyxClean())
1865                         text += _(" (Changed)");
1866         } else {
1867                 if (text != _("Welcome to LyX!")) // this is a hack
1868                         text = _("* No document open *");
1869         }
1870
1871         owner->message(text);
1872 }
1873