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
  23 #ifdef __GNUG__
  24 #pragma implementation
  25 #endif
  26
  27 #include "support/lyxalgo.h"
  28 #include "version.h"
  29 #include "kbmap.h"
  30 #include "lyxfunc.h"
  31 #include "bufferlist.h"
  32 #include "BufferView.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 "mathed/math_cursor.h"
  63 #include "mathed/math_inset.h"
  64 #include "spellchecker.h"
  65 #include "minibuffer.h"
  66 #include "vspace.h"
  67 #include "LyXView.h"
  68 #include "lyx_gui_misc.h"
  69 #include "support/filetools.h"
  70 #include "support/FileInfo.h"
  71 #include "support/syscall.h"
  72 #include "support/lstrings.h"
  73 #include "support/path.h"
  74 #include "support/lyxfunctional.h"
  75 #include "debug.h"
  76 #include "lyxrc.h"
  77 #include "lyxtext.h"
  78 #include "gettext.h"
  79 #include "trans_mgr.h"
  80 #include "layout.h"
  81 #include "WorkArea.h"
  82 #include "bufferview_funcs.h"
  83 #include "frontends/FileDialog.h"
  84 #include "frontends/Dialogs.h"
  85 #include "frontends/Toolbar.h"
  86 #include "frontends/Menubar.h"
  87 #include "FloatList.h"
  88 #include "converter.h"
  89 #include "exporter.h"
  90 #include "importer.h"
  91 #include "FontLoader.h"
  92 #include "TextCache.h"
  93 #include "lyxfind.h"
  94
  95 using std::pair;
  96 using std::make_pair;
  97 using std::endl;
  98 using std::find_if;
  99
 100 extern BufferList bufferlist;
 101 extern LyXServer * lyxserver;
 102 extern int greek_kb_flag;
 103 extern bool selection_possible;
 104 extern void MenuSendto();
 105
 106 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 107
 108 extern void show_symbols_form(LyXFunc *);
 109
 110 extern LyXAction lyxaction;
 111 // (alkis)
 112 extern tex_accent_struct get_accent(kb_action action);
 113
 114 extern LyXTextClass::size_type current_layout;
 115
 116 extern void ShowLatexLog();
 117
 118
 119 #if 0
 120
 121 ///
 122 class MiniBufferController : public SigC::Object {
 123 public:
 124         ///
 125         MiniBufferController() {
 126                 minibuffer
 127                         .cmdReady
 128                         .connect(slot(this,
 129                                       &MiniBufferController::receiveCommand));
 130                 minibuffer
 131                         .argReady
 132                         .connect(slot(this,
 133                                       &MiniBufferController::receiveArg));
 134         }
 135         ///
 136         void receiveCmd(string const & cmd) {}
 137         ///
 138         void receiveArg(string const & arg) {}
 139
 140
 141 private:
 142 };
 143
 144 namespace {
 145
 146 MiniBufferController mb_ctrl;
 147
 148 }
 149 #endif
 150
 151
 152 /* === globals =========================================================== */
 153
 154 // Initialization of static member var
 155 bool LyXFunc::show_sc = true;
 156
 157
 158 LyXFunc::LyXFunc(LyXView * o)
 159         : owner(o)
 160 {
 161         meta_fake_bit = 0;
 162         lyx_dead_action = LFUN_NOACTION;
 163         lyx_calling_dead_action = LFUN_NOACTION;
 164         setupLocalKeymap();
 165 }
 166
 167
 168 inline
 169 LyXText * LyXFunc::TEXT(bool flag = true) const
 170 {
 171         if (flag)
 172                 return owner->view()->text;
 173         return owner->view()->getLyXText();
 174 }
 175
 176
 177 // I changed this func slightly. I commented out the ...FinishUndo(),
 178 // this means that all places that used to have a moveCursorUpdate, now
 179 // have a ...FinishUndo() as the preceeding statement. I have also added
 180 // a moveCursorUpdate to some of the functions that updated the cursor, but
 181 // that did not show its new position.
 182 inline
 183 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 184 {
 185         if (selecting || TEXT(flag)->selection.mark()) {
 186                 TEXT(flag)->setSelection(owner->view());
 187                 if (TEXT(flag)->bv_owner)
 188                     owner->view()->toggleToggle();
 189         }
 190         owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 191         owner->view()->showCursor();
 192
 193         /* ---> Everytime the cursor is moved, show the current font state. */
 194         // should this too me moved out of this func?
 195         owner->view()->setState();
 196 }
 197
 198
 199 void LyXFunc::handleKeyFunc(kb_action action)
 200 {
 201         char c = keyseq.getiso();
 202
 203         if (keyseq.length != -1) c = 0;
 204
 205         owner->getIntl()->getTrans()
 206                 .deadkey(c, get_accent(action).accent, TEXT(false));
 207         // Need to reset, in case the minibuffer calls these
 208         // actions
 209         keyseq.reset();
 210         keyseq.length = 0;
 211         // copied verbatim from do_accent_char
 212         owner->view()->update(TEXT(false),
 213                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 214         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 215 }
 216
 217
 218 void LyXFunc::processKeySym(KeySym keysym, unsigned int state)
 219 {
 220         string argument;
 221
 222         if (lyxerr.debugging(Debug::KEY)) {
 223                 char const * tmp = XKeysymToString(keysym);
 224                 string const stm = (tmp ? tmp : "");
 225                 lyxerr << "KeySym is "
 226                        << stm
 227                        << "["
 228                        << keysym << "] State is ["
 229                        << state << "]"
 230                        << endl;
 231         }
 232         // Do nothing if we have nothing (JMarc)
 233         if (keysym == NoSymbol) {
 234                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 235                                    << endl;
 236                 return;
 237         }
 238
 239         // Can we be sure that this will work for all X-Windows
 240         // implementations? (Lgb)
 241         // This code snippet makes lyx ignore some keys. Perhaps
 242         // all of them should be explictly mentioned?
 243         if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
 244             || keysym == XK_Mode_switch || keysym == 0x0) {
 245                 return;
 246         }
 247
 248         // Do a one-deep top-level lookup for
 249         // cancel and meta-fake keys. RVDK_PATCH_5
 250         cancel_meta_seq.reset();
 251
 252         int action = cancel_meta_seq.addkey(keysym, state
 253                                             &(ShiftMask|ControlMask
 254                                               |Mod1Mask));
 255         if (lyxerr.debugging(Debug::KEY)) {
 256                 lyxerr << "action first set to [" << action << "]" << endl;
 257         }
 258
 259         // When not cancel or meta-fake, do the normal lookup.
 260         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 261         // Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
 262         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 263                 if (lyxerr.debugging(Debug::KEY)) {
 264                         lyxerr << "meta_fake_bit is ["
 265                                << meta_fake_bit << "]" << endl;
 266                 }
 267                 // remove Caps Lock and Mod2 as a modifiers
 268                 action = keyseq.addkey(keysym,
 269                                        (state | meta_fake_bit)
 270                                        &(ShiftMask|ControlMask
 271                                          |Mod1Mask));
 272                 if (lyxerr.debugging(Debug::KEY)) {
 273                         lyxerr << "action now set to ["
 274                                << action << "]" << endl;
 275                 }
 276         }
 277         // Dont remove this unless you know what you are doing.
 278         meta_fake_bit = 0;
 279
 280         if (action == 0) action = LFUN_PREFIX;
 281
 282         if (lyxerr.debugging(Debug::KEY)) {
 283                 string buf;
 284                 keyseq.print(buf);
 285                 lyxerr << "Key [action="
 286                        << action << "]["
 287                        << buf << "]"
 288                        << endl;
 289         }
 290
 291         // already here we know if it any point in going further
 292         // why not return already here if action == -1 and
 293         // num_bytes == 0? (Lgb)
 294
 295         if (keyseq.length > 1 || keyseq.length < -1) {
 296                 string buf;
 297                 keyseq.print(buf);
 298                 owner->message(buf);
 299         }
 300
 301         if (action == -1) {
 302                 // It is unknown, but what if we remove all
 303                 // the modifiers? (Lgb)
 304                 action = keyseq.addkey(keysym, 0);
 305
 306                 if (lyxerr.debugging(Debug::KEY)) {
 307                         lyxerr << "Removing modifiers...\n"
 308                                << "Action now set to ["
 309                                << action << "]" << endl;
 310                 }
 311                 if (action == -1) {
 312                         owner->message(_("Unknown function."));
 313                         return;
 314                 }
 315         }
 316
 317         if (action == LFUN_SELFINSERT) {
 318                 // This is very X dependant.
 319                 unsigned int c = keysym;
 320
 321                 switch (c & 0x0000FF00) {
 322                         // latin 1 byte 3 = 0
 323                 case 0x00000000: break;
 324                         // latin 2 byte 3 = 1
 325                 case 0x00000100:
 326                         // latin 3 byte 3 = 2
 327                 case 0x00000200:
 328                         // latin 4 byte 3 = 3
 329                 case 0x00000300:
 330                         // latin 8 byte 3 = 18 (0x12)
 331                 case 0x00001200:
 332                         // latin 9 byte 3 = 19 (0x13)
 333                 case 0x00001300:
 334                         c &= 0x000000FF;
 335                         break;
 336                 default:
 337                         c = 0;
 338                         break;
 339                 }
 340                 if (c > 0)
 341                         argument = static_cast<char>(c);
 342                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 343                                    << argument << "']" << endl;
 344         }
 345
 346         bool tmp_sc = show_sc;
 347         show_sc = false;
 348         Dispatch(action, argument);
 349         show_sc = tmp_sc;
 350
 351         //return 0;
 352 }
 353
 354
 355 func_status::value_type LyXFunc::getStatus(int ac) const
 356 {
 357         return getStatus(ac, string());
 358 }
 359
 360
 361 func_status::value_type LyXFunc::getStatus(int ac,
 362                                            string const & not_to_use_arg) const
 363 {
 364         kb_action action;
 365         func_status::value_type flag = func_status::OK;
 366         string argument;
 367         Buffer * buf = owner->buffer();
 368
 369         if (lyxaction.isPseudoAction(ac))
 370                 action = lyxaction.retrieveActionArg(ac, argument);
 371         else {
 372                 action = static_cast<kb_action>(ac);
 373                 if (!not_to_use_arg.empty())
 374                         argument = not_to_use_arg; // exept here
 375         }
 376
 377         if (action == LFUN_UNKNOWN_ACTION) {
 378                 setErrorMessage(N_("Unknown action"));
 379                 return func_status::Unknown;
 380         }
 381
 382         // Check whether we need a buffer
 383         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 384                 // Yes we need a buffer, do we have one?
 385                 if (buf) {
 386                         // yes
 387                         // Can we use a readonly buffer?
 388                         if (buf->isReadonly() &&
 389                             !lyxaction.funcHasFlag(action,
 390                                                    LyXAction::ReadOnly)) {
 391                                 // no
 392                                 setErrorMessage(N_("Document is read-only"));
 393                                 flag |= func_status::Disabled;
 394                         }
 395                 } else {
 396                         // no
 397                         setErrorMessage(N_("Command not allowed with"
 398                                            "out any document open"));
 399                         flag |= func_status::Disabled;
 400                         return flag;
 401                 }
 402         }
 403
 404         // I would really like to avoid having this switch and rather try to
 405         // encode this in the function itself.
 406         bool disable = false;
 407         switch (action) {
 408         case LFUN_MENUPRINT:
 409                 disable = !Exporter::IsExportable(buf, "dvi")
 410                         || lyxrc.print_command == "none";
 411                 break;
 412         case LFUN_EXPORT:
 413                 disable = argument == "fax" &&
 414                         !Exporter::IsExportable(buf, argument);
 415                 break;
 416         case LFUN_UNDO:
 417                 disable = buf->undostack.empty();
 418                 break;
 419         case LFUN_REDO:
 420                 disable = buf->redostack.empty();
 421                 break;
 422         case LFUN_SPELLCHECK:
 423                 disable = lyxrc.isp_command == "none";
 424                 break;
 425         case LFUN_RUNCHKTEX:
 426                 disable = lyxrc.chktex_command == "none";
 427                 break;
 428         case LFUN_BUILDPROG:
 429                 disable = !Exporter::IsExportable(buf, "program");
 430                 break;
 431
 432         case LFUN_INSERTFOOTNOTE:
 433                 // Disable insertion of floats in a tabular.
 434                 disable = false;
 435                 if (owner->view()->theLockingInset()) {
 436                         disable = (owner->view()->theLockingInset()->LyxCode() == Inset::TABULAR_CODE) ||
 437                                 owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE);
 438                 }
 439                 break;
 440
 441         case LFUN_LAYOUT_TABULAR:
 442                 disable = true;
 443                 if (owner->view()->theLockingInset()) {
 444                         disable = (owner->view()->theLockingInset()->LyxCode() != Inset::TABULAR_CODE) &&
 445                                 !owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE);
 446                 }
 447                 break;
 448
 449         case LFUN_TABULAR_FEATURE:
 450                 disable = true;
 451                 if (owner->view()->theLockingInset()) {
 452                         func_status::value_type ret = func_status::Disabled;
 453                         if (owner->view()->theLockingInset()->LyxCode() == Inset::TABULAR_CODE) {
 454                                 ret = static_cast<InsetTabular *>
 455                                         (owner->view()->theLockingInset())->
 456                                         getStatus(argument);
 457                         } else if (owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 458                                 ret = static_cast<InsetTabular *>
 459                                         (owner->view()->theLockingInset()->
 460                                          GetFirstLockingInsetOfType(Inset::TABULAR_CODE))->
 461                                         getStatus(argument);
 462                         }
 463                         flag |= ret;
 464                         disable = false;
 465                 } else {
 466                         static InsetTabular inset(*owner->buffer(), 1, 1);
 467                         func_status::value_type ret;
 468
 469                         disable = true;
 470                         ret = inset.getStatus(argument);
 471                         if ((ret & func_status::ToggleOn) ||
 472                             (ret & func_status::ToggleOff))
 473                                 flag |= func_status::ToggleOff;
 474                 }
 475                 break;
 476
 477         case LFUN_VC_REGISTER:
 478                 disable = buf->lyxvc.inUse();
 479                 break;
 480         case LFUN_VC_CHECKIN:
 481                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 482                 break;
 483         case LFUN_VC_CHECKOUT:
 484                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 485                 break;
 486         case LFUN_VC_REVERT:
 487         case LFUN_VC_UNDO:
 488         case LFUN_VC_HISTORY:
 489                 disable = !buf->lyxvc.inUse();
 490                 break;
 491         case LFUN_BOOKMARK_GOTO:
 492                 disable =  !owner->view()->
 493                         isSavedPosition(strToUnsignedInt(argument));
 494         case LFUN_MATH_VALIGN: {
 495                 Inset * tli = owner->view()->theLockingInset();
 496                 if (tli && (tli->LyxCode() == Inset::MATH_CODE
 497                             || tli->LyxCode() == Inset::MATHMACRO_CODE)) {
 498                         char align = mathcursor->valign();
 499                         if (align == '\0') {
 500                                 disable = true;
 501                                 break;
 502                         }
 503                         if (argument.empty()) {
 504                                 flag = func_status::OK;
 505                                 break;
 506                         }
 507                         if (!contains("tcb", argument[0])) {
 508                                 disable = true;
 509                                 break;
 510                         }
 511                         if (argument[0] == align)
 512                                 flag |= func_status::ToggleOn;
 513                         else
 514                                 flag |= func_status::ToggleOff;
 515                 } else
 516                         disable = true;
 517                 break;
 518         }
 519         case LFUN_MATH_HALIGN: {
 520                 Inset * tli = owner->view()->theLockingInset();
 521                 if (tli && (tli->LyxCode() == Inset::MATH_CODE
 522                             || tli->LyxCode() == Inset::MATHMACRO_CODE)) {
 523                         char align = mathcursor->halign();
 524                         if (align == '\0') {
 525                                 disable = true;
 526                                 break;
 527                         }
 528                         if (argument.empty()) {
 529                                 flag = func_status::OK;
 530                                 break;
 531                         }
 532                         if (!contains("lcr", argument[0])) {
 533                                 disable = true;
 534                                 break;
 535                         }
 536                         if (argument[0] == align)
 537                                 flag |= func_status::ToggleOn;
 538                         else
 539                                 flag |= func_status::ToggleOff;
 540                 } else
 541                         disable = true;
 542                 break;
 543         }
 544         case LFUN_MATH_MUTATE: {
 545                 Inset * tli = owner->view()->theLockingInset();
 546                 if (tli && (tli->LyxCode() == Inset::MATH_CODE)) {
 547                         MathInsetTypes type = mathcursor->par()->GetType();
 548                         func_status::value_type box = func_status::ToggleOff;
 549                         if (argument == "inline") {
 550                                 if (type == LM_OT_SIMPLE)
 551                                         box = func_status::ToggleOn;
 552                         } else if (argument == "display") {
 553                                 if (type == LM_OT_EQUATION)
 554                                         box = func_status::ToggleOn;
 555                         } else if (argument == "eqnarray") {
 556                                 if (type == LM_OT_EQNARRAY)
 557                                         box = func_status::ToggleOn;
 558                         } else if (argument == "align") {
 559                                 if (type == LM_OT_ALIGN)
 560                                         box = func_status::ToggleOn;
 561                         } else {
 562                                 box = func_status::OK;
 563                                 disable = true;
 564                         }
 565                         flag |= box;
 566                 } else
 567                         disable = true;
 568                 break;
 569         }
 570         default:
 571                 break;
 572         }
 573         if (disable)
 574                 flag |= func_status::Disabled;
 575
 576         if (buf) {
 577                 func_status::value_type box = func_status::ToggleOff;
 578                 LyXFont const & font =
 579                         TEXT(false)->real_current_font;
 580                 switch (action) {
 581                 case LFUN_EMPH:
 582                         if (font.emph() == LyXFont::ON)
 583                                 box = func_status::ToggleOn;
 584                         break;
 585                 case LFUN_NOUN:
 586                         if (font.noun() == LyXFont::ON)
 587                                 box = func_status::ToggleOn;
 588                         break;
 589                 case LFUN_BOLD:
 590                         if (font.series() == LyXFont::BOLD_SERIES)
 591                                 box = func_status::ToggleOn;
 592                         break;
 593 #ifndef NO_LATEX
 594                 case LFUN_TEX:
 595                         if (font.latex() == LyXFont::ON)
 596                                 box = func_status::ToggleOn;
 597                         break;
 598 #endif
 599                 case LFUN_READ_ONLY_TOGGLE:
 600                         if (buf->isReadonly())
 601                                 box = func_status::ToggleOn;
 602                         break;
 603                 default:
 604                         box = func_status::OK;
 605                         break;
 606                 }
 607                 flag |= box;
 608         }
 609
 610         return flag;
 611 }
 612
 613
 614 // temporary dispatch method
 615 void LyXFunc::miniDispatch(string const & s)
 616 {
 617         if (!s.empty()) {
 618                 Dispatch(s);
 619         }
 620 }
 621
 622
 623 string const LyXFunc::Dispatch(string const & s)
 624 {
 625         // Split command string into command and argument
 626         string cmd;
 627         string line = frontStrip(s);
 628         string const arg = strip(frontStrip(split(line, cmd, ' ')));
 629
 630         return Dispatch(lyxaction.LookupFunc(cmd), arg);
 631 }
 632
 633
 634 string const LyXFunc::Dispatch(int ac,
 635                                string const & do_not_use_this_arg)
 636 {
 637         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << ac
 638                               <<"] arg[" << do_not_use_this_arg << "]" << endl;
 639
 640         string argument;
 641         kb_action action;
 642
 643         // we have not done anything wrong yet.
 644         errorstat = false;
 645         dispatch_buffer.erase();
 646
 647         // if action is a pseudo-action, we need the real action
 648         if (lyxaction.isPseudoAction(ac)) {
 649                 string tmparg;
 650                 action = static_cast<kb_action>
 651                         (lyxaction.retrieveActionArg(ac, tmparg));
 652                 if (!tmparg.empty())
 653                         argument = tmparg;
 654         } else {
 655                 action = static_cast<kb_action>(ac);
 656                 if (!do_not_use_this_arg.empty())
 657                         argument = do_not_use_this_arg; // except here
 658         }
 659
 660         selection_possible = false;
 661
 662         if (owner->view()->available())
 663                 owner->view()->hideCursor();
 664
 665         // We cannot use this function here
 666         if (getStatus(ac, do_not_use_this_arg) & func_status::Disabled)
 667                 goto exit_with_message;
 668
 669
 670         if (owner->view()->available() && owner->view()->theLockingInset()) {
 671                 UpdatableInset::RESULT result;
 672                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 673                                      (keyseq.length >= -1)))
 674                 {
 675                         if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
 676                                 argument = keyseq.getiso();
 677                         }
 678                         // Undo/Redo is a bit tricky for insets.
 679                         if (action == LFUN_UNDO) {
 680                                 int slx;
 681                                 int sly;
 682                                 UpdatableInset * inset =
 683                                         owner->view()->theLockingInset();
 684                                 inset->GetCursorPos(owner->view(), slx, sly);
 685                                 owner->view()->unlockInset(inset);
 686                                 owner->view()->menuUndo();
 687                                 if (TEXT()->cursor.par()->
 688                                     isInset(TEXT()->cursor.pos())) {
 689                                         inset = static_cast<UpdatableInset*>(
 690                                                 TEXT()->cursor.par()->
 691                                                 getInset(TEXT()->
 692                                                          cursor.pos()));
 693                                 } else {
 694                                         inset = 0;
 695                                 }
 696                                 if (inset)
 697                                         inset->Edit(owner->view(),slx,sly,0);
 698                                 return string();
 699                         } else if (action == LFUN_REDO) {
 700                                 int slx;
 701                                 int sly;
 702                                 UpdatableInset * inset = owner->view()->
 703                                         theLockingInset();
 704                                 inset->GetCursorPos(owner->view(), slx, sly);
 705                                 owner->view()->unlockInset(inset);
 706                                 owner->view()->menuRedo();
 707                                 inset = static_cast<UpdatableInset*>(
 708                                         TEXT()->cursor.par()->
 709                                         getInset(TEXT()->
 710                                                  cursor.pos()));
 711                                 if (inset)
 712                                         inset->Edit(owner->view(),slx,sly,0);
 713                                 return string();
 714                         } else if (((result=owner->view()->theLockingInset()->
 715                                    LocalDispatch(owner->view(), action,
 716                                                  argument)) ==
 717                                    UpdatableInset::DISPATCHED) ||
 718                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 719                                 return string();
 720                         else {
 721                                 //setMessage(N_("Text mode"));
 722                                 switch (action) {
 723                                 case LFUN_UNKNOWN_ACTION:
 724                                 case LFUN_BREAKPARAGRAPH:
 725                                 case LFUN_BREAKLINE:
 726                                         TEXT()->cursorRight(owner->view());
 727                                         owner->view()->setState();
 728                                         owner->showState();
 729                                         break;
 730                                 case LFUN_RIGHT:
 731                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 732                                                 TEXT()->cursorRight(owner->view());
 733                                                 moveCursorUpdate(true, false);
 734                                                 owner->showState();
 735                                         }
 736                                         return string();
 737                                 case LFUN_LEFT:
 738                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 739                                                 TEXT()->cursorRight(owner->view());
 740                                                 moveCursorUpdate(true, false);
 741                                                 owner->showState();
 742                                         }
 743                                         return string();
 744                                 case LFUN_DOWN:
 745                                         if (TEXT()->cursor.row()->next())
 746                                                 TEXT()->cursorDown(owner->view());
 747                                         else
 748                                                 TEXT()->cursorRight(owner->view());
 749                                         moveCursorUpdate(true, false);
 750                                         owner->showState();
 751                                         return string();
 752                                 default:
 753                                         break;
 754                                 }
 755                         }
 756                 }
 757         }
 758
 759         lyx::Assert(action != LFUN_SELECT_FILE_SYNC);
 760
 761         switch (action) {
 762
 763         case LFUN_ESCAPE:
 764         {
 765                 if (!owner->view()->available()) break;
 766
 767                 // this function should be used always [asierra060396]
 768                 UpdatableInset * tli =
 769                         owner->view()->theLockingInset();
 770                 if (tli) {
 771                         UpdatableInset * lock = tli->GetLockingInset();
 772
 773                         if (tli == lock) {
 774                                 owner->view()->unlockInset(tli);
 775                                 TEXT()->cursorRight(owner->view());
 776                                 moveCursorUpdate(true, false);
 777                                 owner->showState();
 778                         } else {
 779                                 tli->UnlockInsetInInset(owner->view(),
 780                                                         lock,
 781                                                         true);
 782                         }
 783                 }
 784         }
 785         break;
 786
 787                 // --- Misc -------------------------------------------
 788         case LFUN_WORDFINDFORWARD  :
 789         case LFUN_WORDFINDBACKWARD : {
 790                 static string last_search;
 791                 string searched_string;
 792
 793                 if (!argument.empty()) {
 794                         last_search = argument;
 795                         searched_string = argument;
 796                 } else {
 797                         searched_string = last_search;
 798                 }
 799
 800                 if (!searched_string.empty() &&
 801                     ((action == LFUN_WORDFINDBACKWARD) ?
 802                      SearchBackward(owner->view(), searched_string) :
 803                      SearchForward(owner->view(), searched_string))) {
 804
 805                         // ??? What is that ???
 806                         owner->view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 807
 808                         // ??? Needed ???
 809                         // clear the selection (if there is any)
 810                         owner->view()->toggleSelection();
 811                         TEXT()->clearSelection(owner->view());
 812
 813                         // Move cursor so that successive C-s 's will not stand in place.
 814                         if (action == LFUN_WORDFINDFORWARD )
 815                                 TEXT()->cursorRightOneWord(owner->view());
 816                         TEXT()->finishUndo();
 817                         moveCursorUpdate(true, false);
 818
 819                         // ??? Needed ???
 820                         // set the new selection
 821                         // SetSelectionOverLenChars(owner->view()->currentBuffer()->text, iLenSelected);
 822                         owner->view()->toggleSelection(false);
 823                 }
 824
 825                 // REMOVED : if (owner->view()->getWorkArea()->focus)
 826                 owner->view()->showCursor();
 827         }
 828         break;
 829
 830         case LFUN_PREFIX:
 831         {
 832                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
 833                         owner->view()->update(TEXT(),
 834                                               BufferView::SELECT|BufferView::FITCUR);
 835                 }
 836                 string buf;
 837                 keyseq.print(buf, true);
 838                 owner->message(buf);
 839         }
 840         break;
 841
 842         // --- Misc -------------------------------------------
 843         case LFUN_EXEC_COMMAND:
 844         {
 845                 std::vector<string> allCmds;
 846                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
 847                                std::back_inserter(allCmds), lyx::firster());
 848                 static std::vector<string> hist;
 849                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
 850                                                   allCmds, hist);
 851         }
 852         break;
 853
 854         case LFUN_CANCEL:                   // RVDK_PATCH_5
 855                 keyseq.reset();
 856                 meta_fake_bit = 0;
 857                 if (owner->view()->available())
 858                         // cancel any selection
 859                         Dispatch(LFUN_MARK_OFF);
 860                 setMessage(N_("Cancel"));
 861                 break;
 862
 863         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 864         {
 865                 meta_fake_bit = Mod1Mask;
 866                 string buf;
 867                 keyseq.print(buf, true);
 868                 setMessage(buf); // RVDK_PATCH_5
 869         }
 870         break;
 871
 872         case LFUN_READ_ONLY_TOGGLE:
 873                 if (owner->buffer()->lyxvc.inUse()) {
 874                         owner->buffer()->lyxvc.toggleReadOnly();
 875                 } else {
 876                         owner->buffer()->setReadonly(
 877                                 !owner->buffer()->isReadonly());
 878                 }
 879                 break;
 880
 881         case LFUN_CENTER: // this is center and redraw.
 882                 owner->view()->center();
 883                 break;
 884
 885                 // --- Menus -----------------------------------------------
 886         case LFUN_MENUNEW:
 887                 MenuNew(false);
 888                 break;
 889
 890         case LFUN_MENUNEWTMPLT:
 891                 MenuNew(true);
 892                 break;
 893
 894         case LFUN_CLOSEBUFFER:
 895                 CloseBuffer();
 896                 break;
 897
 898         case LFUN_MENUWRITE:
 899                 if (!owner->buffer()->isUnnamed()) {
 900                         ostringstream s1;
 901                         s1 << _("Saving document") << ' '
 902                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 903                         owner->message(s1.str().c_str());
 904                         MenuWrite(owner->view(), owner->buffer());
 905                 } else
 906                         WriteAs(owner->view(), owner->buffer());
 907                 break;
 908
 909         case LFUN_WRITEAS:
 910                 WriteAs(owner->view(), owner->buffer(), argument);
 911                 break;
 912
 913         case LFUN_MENURELOAD:
 914                 reloadBuffer();
 915                 break;
 916
 917         case LFUN_UPDATE:
 918                 Exporter::Export(owner->buffer(), argument, true);
 919                 break;
 920
 921         case LFUN_PREVIEW:
 922                 Exporter::Preview(owner->buffer(), argument);
 923                 break;
 924
 925         case LFUN_BUILDPROG:
 926                 Exporter::Export(owner->buffer(), "program", true);
 927                 break;
 928
 929         case LFUN_RUNCHKTEX:
 930                 MenuRunChktex(owner->buffer());
 931                 break;
 932
 933         case LFUN_MENUPRINT:
 934                 owner->getDialogs()->showPrint();
 935                 break;
 936
 937         case LFUN_EXPORT:
 938                 if (argument == "custom")
 939                         MenuSendto();
 940                 else
 941                         Exporter::Export(owner->buffer(), argument, false);
 942                 break;
 943
 944         case LFUN_IMPORT:
 945                 doImport(argument);
 946                 break;
 947
 948         case LFUN_QUIT:
 949                 QuitLyX();
 950                 break;
 951
 952         case LFUN_TOCVIEW:
 953 #if 0
 954         case LFUN_LOFVIEW:
 955         case LFUN_LOTVIEW:
 956         case LFUN_LOAVIEW:
 957 #endif
 958         {
 959                 InsetCommandParams p;
 960
 961 #if 0
 962                 if (action == LFUN_TOCVIEW)
 963 #endif
 964                         p.setCmdName("tableofcontents");
 965 #if 0
 966                 else if (action == LFUN_LOAVIEW )
 967                         p.setCmdName("listof{algorithm}{List of Algorithms}");
 968                 else if (action == LFUN_LOFVIEW)
 969                         p.setCmdName("listoffigures");
 970                 else
 971                         p.setCmdName("listoftables");
 972 #endif
 973                 owner->getDialogs()->createTOC(p.getAsString());
 974                 break;
 975         }
 976
 977         case LFUN_DIALOG_TABULAR_INSERT:
 978                 owner->getDialogs()->showTabularCreate();
 979                 break;
 980
 981         case LFUN_FIGURE:
 982                 Figure();
 983                 break;
 984
 985         case LFUN_AUTOSAVE:
 986                 AutoSave(owner->view());
 987                 break;
 988
 989         case LFUN_UNDO:
 990                 owner->view()->menuUndo();
 991                 break;
 992
 993         case LFUN_REDO:
 994                 owner->view()->menuRedo();
 995                 break;
 996
 997         case LFUN_MENUSEARCH:
 998                 owner->getDialogs()->showSearch();
 999                 break;
1000
1001         case LFUN_REMOVEERRORS:
1002                 if (owner->view()->removeAutoInsets()) {
1003                         owner->view()->redraw();
1004                         owner->view()->fitCursor(TEXT());
1005                 }
1006                 break;
1007
1008         case LFUN_DEPTH:
1009                 changeDepth(owner->view(), TEXT(false), 0);
1010                 break;
1011
1012         case LFUN_DEPTH_MIN:
1013                 changeDepth(owner->view(), TEXT(false), -1);
1014                 break;
1015
1016         case LFUN_DEPTH_PLUS:
1017                 changeDepth(owner->view(), TEXT(false), 1);
1018                 break;
1019
1020         case LFUN_FREE:
1021                 owner->getDialogs()->setUserFreeFont();
1022                 break;
1023
1024 #ifndef NO_LATEX
1025         case LFUN_TEX:
1026                 Tex(owner->view());
1027                 owner->view()->setState();
1028                 owner->showState();
1029                 break;
1030 #endif
1031
1032         case LFUN_RECONFIGURE:
1033                 Reconfigure(owner->view());
1034                 break;
1035
1036 #if 0
1037         case LFUN_FLOATSOPERATE:
1038                 if (argument == "openfoot")
1039                         owner->view()->allFloats(1,0);
1040                 else if (argument == "closefoot")
1041                         owner->view()->allFloats(0,0);
1042                 else if (argument == "openfig")
1043                         owner->view()->allFloats(1,1);
1044                 else if (argument == "closefig")
1045                         owner->view()->allFloats(0,1);
1046                 break;
1047 #else
1048 #ifdef WITH_WARNINGS
1049 #warning Find another implementation here (or another lyxfunc)!
1050 #endif
1051 #endif
1052         case LFUN_HELP_COPYRIGHT:
1053                 owner->getDialogs()->showCopyright();
1054                 break;
1055
1056         case LFUN_HELP_CREDITS:
1057                 owner->getDialogs()->showCredits();
1058                 break;
1059
1060         case LFUN_HELP_OPEN:
1061         {
1062                 string const arg = argument;
1063                 if (arg.empty()) {
1064                         setErrorMessage(N_("Missing argument"));
1065                         break;
1066                 }
1067                 ProhibitInput(owner->view());
1068                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1069                 if (fname.empty()) {
1070                         lyxerr << "LyX: unable to find documentation file `"
1071                                << arg << "'. Bad installation?" << endl;
1072                         AllowInput(owner->view());
1073                         break;
1074                 }
1075                 ostringstream str;
1076                 str << _("Opening help file") << ' '
1077                     << MakeDisplayPath(fname) << "...";
1078                 owner->message(str.str().c_str());
1079                 owner->view()->buffer(bufferlist.loadLyXFile(fname,false));
1080                 AllowInput(owner->view());
1081                 break;
1082         }
1083
1084         case LFUN_HELP_VERSION: {
1085                 ProhibitInput(owner->view());
1086                 string msg(_("LyX Version "));
1087                 msg += LYX_VERSION;
1088                 msg += " of ";
1089                 msg += LYX_RELEASE;
1090                 fl_show_message(msg.c_str(),
1091                                 (_("Library directory: ")
1092                                  + MakeDisplayPath(system_lyxdir)).c_str(),
1093                                 (_("User directory: ")
1094                                  + MakeDisplayPath(user_lyxdir)).c_str());
1095                 AllowInput(owner->view());
1096                 break;
1097         }
1098
1099                 // --- version control -------------------------------
1100         case LFUN_VC_REGISTER:
1101         {
1102                 if (!owner->buffer()->lyxvc.inUse())
1103                         owner->buffer()->lyxvc.registrer();
1104         }
1105         break;
1106
1107         case LFUN_VC_CHECKIN:
1108         {
1109                 if (owner->buffer()->lyxvc.inUse()
1110                     && !owner->buffer()->isReadonly())
1111                         owner->buffer()->lyxvc.checkIn();
1112         }
1113         break;
1114
1115         case LFUN_VC_CHECKOUT:
1116         {
1117                 if (owner->buffer()->lyxvc.inUse()
1118                     && owner->buffer()->isReadonly())
1119                         owner->buffer()->lyxvc.checkOut();
1120         }
1121         break;
1122
1123         case LFUN_VC_REVERT:
1124         {
1125                 owner->buffer()->lyxvc.revert();
1126         }
1127         break;
1128
1129         case LFUN_VC_UNDO:
1130         {
1131                 owner->buffer()->lyxvc.undoLast();
1132         }
1133         break;
1134
1135         case LFUN_VC_HISTORY:
1136         {
1137                 owner->getDialogs()->showVCLogFile();
1138                 break;
1139         }
1140
1141         // --- buffers ----------------------------------------
1142
1143         case LFUN_SWITCHBUFFER:
1144                 owner->view()->buffer(bufferlist.getBuffer(argument));
1145                 break;
1146
1147         case LFUN_FILE_NEW:
1148         {
1149                 // servercmd: argument must be <file>:<template>
1150                 Buffer * tmpbuf = NewLyxFile(argument);
1151                 if (tmpbuf)
1152                         owner->view()->buffer(tmpbuf);
1153         }
1154         break;
1155
1156         case LFUN_FILE_OPEN:
1157                 Open(argument);
1158                 break;
1159
1160         case LFUN_LATEX_LOG:
1161                 owner->getDialogs()->showLogFile();
1162                 break;
1163
1164         case LFUN_LAYOUTNO:
1165         {
1166                 lyxerr[Debug::INFO] << "LFUN_LAYOUTNO: (arg) " << argument << endl;
1167                 int sel = strToInt(argument);
1168                 lyxerr[Debug::INFO] << "LFUN_LAYOUTNO: (sel) "<< sel << endl;
1169
1170                 // Should this give a setMessage instead?
1171                 if (sel == 0)
1172                         return string(); // illegal argument
1173
1174                 --sel; // sel 1..., but layout 0...
1175
1176                 // Pretend we got the name instead.
1177                 Dispatch(int(LFUN_LAYOUT),
1178                          textclasslist.NameOfLayout(owner->view()
1179                                                     ->buffer()->params.textclass,
1180                                                     sel));
1181                 return string();
1182         }
1183
1184         case LFUN_LAYOUT_DOCUMENT:
1185                 owner->getDialogs()->showDocument();
1186                 break;
1187
1188         case LFUN_LAYOUT_PARAGRAPH:
1189                 owner->getDialogs()->showParagraph();
1190                 break;
1191
1192         case LFUN_LAYOUT_CHARACTER:
1193                 owner->getDialogs()->showCharacter();
1194                 break;
1195
1196         case LFUN_LAYOUT_TABULAR:
1197             if (owner->view()->theLockingInset()) {
1198                 if (owner->view()->theLockingInset()->LyxCode()==Inset::TABULAR_CODE) {
1199                     InsetTabular * inset = static_cast<InsetTabular *>
1200                         (owner->view()->theLockingInset());
1201                     inset->OpenLayoutDialog(owner->view());
1202                 } else if (owner->view()->theLockingInset()->
1203                            GetFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1204                     InsetTabular * inset = static_cast<InsetTabular *>(
1205                         owner->view()->theLockingInset()->GetFirstLockingInsetOfType(Inset::TABULAR_CODE));
1206                     inset->OpenLayoutDialog(owner->view());
1207                 }
1208             }
1209             break;
1210
1211         case LFUN_LAYOUT_PREAMBLE:
1212                 owner->getDialogs()->showPreamble();
1213                 break;
1214
1215         case LFUN_LAYOUT_SAVE_DEFAULT:
1216                 MenuLayoutSave(owner->view());
1217                 break;
1218
1219         case LFUN_DROP_LAYOUTS_CHOICE:
1220                 owner->getToolbar()->openLayoutList();
1221                 break;
1222
1223         case LFUN_MENU_OPEN_BY_NAME:
1224                 owner->getMenubar()->openByName(argument);
1225                 break; // RVDK_PATCH_5
1226
1227         case LFUN_SPELLCHECK:
1228                 if (lyxrc.isp_command != "none")
1229                         ShowSpellChecker(owner->view());
1230                 break; // RVDK_PATCH_5
1231
1232         // --- lyxserver commands ----------------------------
1233
1234
1235         case LFUN_GETNAME:
1236                 setMessage(owner->buffer()->fileName());
1237                 lyxerr[Debug::INFO] << "FNAME["
1238                                << owner->buffer()->fileName()
1239                                << "] " << endl;
1240                 break;
1241
1242         case LFUN_NOTIFY:
1243         {
1244                 string buf;
1245                 keyseq.print(buf);
1246                 dispatch_buffer = buf;
1247                 lyxserver->notifyClient(dispatch_buffer);
1248         }
1249         break;
1250
1251         case LFUN_GOTOFILEROW:
1252         {
1253                 char file_name[100];
1254                 int row;
1255                 ::sscanf(argument.c_str(), " %s %d", file_name, &row);
1256
1257                 // Must replace extension of the file to be .lyx and get full path
1258                 string s = ChangeExtension(string(file_name), ".lyx");
1259
1260                 // Either change buffer or load the file
1261                 if (bufferlist.exists(s))
1262                         owner->view()->buffer(bufferlist.getBuffer(s));
1263                 else
1264                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1265
1266                 // Set the cursor
1267                 owner->view()->setCursorFromRow(row);
1268
1269                 // Recenter screen
1270                 owner->view()->center();
1271         }
1272         break;
1273
1274         case LFUN_GOTO_PARAGRAPH:
1275         {
1276                 istringstream istr(argument.c_str());
1277
1278                 int id;
1279                 istr >> id;
1280                 Paragraph * par = TEXT()->getParFromID(id);
1281                 if (par == 0)
1282                         break;
1283
1284                 // Set the cursor
1285                 TEXT()->setCursor(owner->view(), par, 0);
1286                 owner->view()->setState();
1287                 owner->showState();
1288
1289                 // Recenter screen
1290                 owner->view()->center();
1291         }
1292         break;
1293
1294         case LFUN_APROPOS:
1295         case LFUN_GETTIP:
1296         {
1297                 int const qa = lyxaction.LookupFunc(argument);
1298                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1299         }
1300         break;
1301
1302         // --- toolbar ----------------------------------
1303         case LFUN_PUSH_TOOLBAR:
1304         {
1305                 int nth = strToInt(argument);
1306                 if (nth <= 0) {
1307                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1308                 } else {
1309                         owner->getToolbar()->push(nth);
1310                 }
1311         }
1312         break;
1313
1314         case LFUN_ADD_TO_TOOLBAR:
1315         {
1316                 if (lyxerr.debugging(Debug::GUI)) {
1317                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1318                                 "argument = `" << argument << '\'' << endl;
1319                 }
1320                 string tmp(argument);
1321                 //lyxerr <<string("Argument: ") + argument);
1322                 //lyxerr <<string("Tmp     : ") + tmp);
1323                 if (tmp.empty()) {
1324                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1325                 } else {
1326                         owner->getToolbar()->add(argument, false);
1327                         owner->getToolbar()->set();
1328                 }
1329         }
1330         break;
1331
1332         // --- insert characters ----------------------------------------
1333
1334         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1335
1336         // Greek mode
1337         case LFUN_GREEK:
1338         {
1339                 if (!greek_kb_flag) {
1340                         greek_kb_flag = 1;
1341                         setMessage(N_("Math greek mode on"));
1342                 } else
1343                         greek_kb_flag = 0;
1344         }
1345         break;
1346
1347         // Greek keyboard
1348         case LFUN_GREEK_TOGGLE:
1349         {
1350                 greek_kb_flag = greek_kb_flag ? 0 : 2;
1351                 if (greek_kb_flag) {
1352                         setMessage(N_("Math greek keyboard on"));
1353                 } else {
1354                         setMessage(N_("Math greek keyboard off"));
1355                 }
1356         }
1357         break;
1358
1359         case LFUN_MATH_EXTERN:
1360         case LFUN_MATH_NUMBER:
1361         case LFUN_MATH_NONUMBER:
1362         case LFUN_MATH_LIMITS:
1363         {
1364                 setErrorMessage(N_("This is only allowed in math mode!"));
1365         }
1366         break;
1367
1368         case LFUN_MATH_PANEL:
1369                 owner->getDialogs()->showMathPanel();
1370                 break;
1371
1372         case LFUN_CITATION_CREATE:
1373         {
1374                 InsetCommandParams p( "cite" );
1375
1376                 if (!argument.empty()) {
1377                         // This should be set at source, ie when typing
1378                         // "citation-insert foo" in the minibuffer.
1379                         // Question: would pybibliographer also need to be
1380                         // changed. Suspect so. Leave as-is therefore.
1381                         if (contains(argument, "|")) {
1382                                 p.setContents( token(argument, '|', 0) );
1383                                 p.setOptions(  token(argument, '|', 1) );
1384                         } else {
1385                                 p.setContents( argument );
1386                         }
1387                         Dispatch(LFUN_CITATION_INSERT, p.getAsString());
1388                 } else
1389                         owner->getDialogs()->createCitation( p.getAsString() );
1390         }
1391         break;
1392
1393         case LFUN_CHILDOPEN:
1394         {
1395                 string const filename =
1396                         MakeAbsPath(argument,
1397                                     OnlyPath(owner->buffer()->fileName()));
1398                 setMessage(N_("Opening child document ") +
1399                            MakeDisplayPath(filename) + "...");
1400                 owner->view()->savePosition(0);
1401                 if (bufferlist.exists(filename))
1402                         owner->view()->buffer(bufferlist.getBuffer(filename));
1403                 else
1404                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1405         }
1406         break;
1407
1408         case LFUN_TOGGLECURSORFOLLOW:
1409                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1410                 break;
1411
1412         case LFUN_KMAP_OFF:             // keymap off
1413                 owner->getIntl()->KeyMapOn(false);
1414                 break;
1415
1416         case LFUN_KMAP_PRIM:    // primary keymap
1417                 owner->getIntl()->KeyMapPrim();
1418                 break;
1419
1420         case LFUN_KMAP_SEC:             // secondary keymap
1421                 owner->getIntl()->KeyMapSec();
1422                 break;
1423
1424         case LFUN_KMAP_TOGGLE:  // toggle keymap
1425                 owner->getIntl()->ToggleKeyMap();
1426                 break;
1427
1428         case LFUN_SEQUENCE:
1429         {
1430                 // argument contains ';'-terminated commands
1431                 while (argument.find(';') != string::npos) {
1432                         string first;
1433                         argument = split(argument, first, ';');
1434                         Dispatch(first);
1435                 }
1436         }
1437         break;
1438
1439         case LFUN_DIALOG_PREFERENCES:
1440                 owner->getDialogs()->showPreferences();
1441                 break;
1442
1443         case LFUN_SAVEPREFERENCES:
1444         {
1445                 Path p(user_lyxdir);
1446                 lyxrc.write("preferences");
1447         }
1448         break;
1449
1450         case LFUN_SCREEN_FONT_UPDATE:
1451         {
1452                 // handle the screen font changes.
1453                 //
1454                 lyxrc.set_font_norm_type();
1455                 fontloader.update();
1456                 // Of course we should only do the resize and the textcache.clear
1457                 // if values really changed...but not very important right now. (Lgb)
1458                 // All visible buffers will need resize
1459                 owner->resize();
1460                 // We also need to empty the textcache so that
1461                 // the buffer will be formatted correctly after
1462                 // a zoom change.
1463                 textcache.clear();
1464         }
1465         break;
1466
1467         case LFUN_SET_COLOR:
1468         {
1469                 string lyx_name;
1470                 string const x11_name = split(argument, lyx_name, ' ');
1471                 if (lyx_name.empty() || x11_name.empty()) {
1472                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1473                                                 " <x11_name>"));
1474                         break;
1475                         }
1476
1477                 if (!lcolor.setColor(lyx_name, x11_name)) {
1478                         static string const err1 (N_("Set-color \""));
1479                         static string const err2 (
1480                                 N_("\" failed - color is undefined "
1481                                    "or may not be redefined"));
1482                         setErrorMessage(_(err1) + lyx_name + _(err2));
1483                         break;
1484                 }
1485                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1486                 owner->view()->redraw();
1487                 break;
1488         }
1489
1490         case LFUN_MESSAGE:
1491                 owner->message(argument);
1492                 break;
1493
1494         case LFUN_MESSAGE_PUSH:
1495                 owner->messagePush(argument);
1496                 break;
1497
1498         case LFUN_MESSAGE_POP:
1499                 owner->messagePop();
1500                 break;
1501
1502         default:
1503                 // Then if it was none of the above
1504                 if (!owner->view()->Dispatch(action, argument))
1505                         lyxerr << "A truly unknown func ["
1506                                << action << "]!" << endl;
1507                 break;
1508         } // end of switch
1509
1510 exit_with_message:
1511
1512         commandshortcut.erase();
1513
1514         if (lyxrc.display_shortcuts && show_sc) {
1515                 if (action != LFUN_SELFINSERT) {
1516                         // Put name of command and list of shortcuts
1517                         // for it in minibuffer
1518                         string comname = lyxaction.getActionName(action);
1519
1520                         int pseudoaction = action;
1521                         bool argsadded = false;
1522
1523                         if (!argument.empty()) {
1524                                 // If we have the command with argument,
1525                                 // this is better
1526                                 pseudoaction =
1527                                         lyxaction.searchActionArg(action,
1528                                                                   argument);
1529
1530                                 if (pseudoaction == -1) {
1531                                         pseudoaction = action;
1532                                 } else {
1533                                         comname += " " + argument;
1534                                         argsadded = true;
1535                                 }
1536                         }
1537
1538                         string const shortcuts =
1539                                 toplevel_keymap->findbinding(pseudoaction);
1540
1541                         if (!shortcuts.empty()) {
1542                                 comname += ": " + shortcuts;
1543                         } else if (!argsadded) {
1544                                 comname += " " + argument;
1545                         }
1546
1547                         if (!comname.empty()) {
1548                                 comname = strip(comname);
1549                                 commandshortcut = "(" + comname + ')';
1550
1551                                 // Here we could even add a small pause,
1552                                 // to annoy the user and make him learn
1553                                 // the shortcuts.
1554                                 // No! That will just annoy, not teach
1555                                 // anything. The user will read the messages
1556                                 // if they are interested. (Asger)
1557                         }
1558                 }
1559         }
1560
1561         string const res = getMessage();
1562
1563         if (res.empty()) {
1564                 if (!commandshortcut.empty()) {
1565                         owner->getMiniBuffer()->addSet(commandshortcut);
1566                 }
1567         } else {
1568                 string const msg(_(res) + ' ' + commandshortcut);
1569                 owner->message(msg);
1570         }
1571
1572         return res;
1573 }
1574
1575
1576 void LyXFunc::setupLocalKeymap()
1577 {
1578         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1579         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1580 }
1581
1582
1583 void LyXFunc::MenuNew(bool fromTemplate)
1584 {
1585         string initpath = lyxrc.document_path;
1586
1587         if (owner->view()->available()) {
1588                 string const trypath = owner->buffer()->filepath;
1589                 // If directory is writeable, use this as default.
1590                 if (IsDirWriteable(trypath) == 1)
1591                         initpath = trypath;
1592         }
1593
1594         static int newfile_number;
1595         string s;
1596
1597         if (lyxrc.new_ask_filename) {
1598                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1599                                    LFUN_SELECT_FILE_SYNC,
1600                         make_pair(string(_("Documents")),
1601                                   string(lyxrc.document_path)),
1602                         make_pair(string(_("Templates")),
1603                                   string(lyxrc.template_path)));
1604
1605                 FileDialog::Result result =
1606                         fileDlg.Select(initpath,
1607                                        _("*.lyx|LyX Documents (*.lyx)"),
1608                                        _("newfile"));
1609
1610                 if (result.second.empty()) {
1611                         owner->message(_("Canceled."));
1612                         lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
1613                         return;
1614                 }
1615
1616                 // get absolute path of file and make sure the filename ends
1617                 // with .lyx
1618                 s = MakeAbsPath(result.second);
1619                 if (!IsLyXFilename(s))
1620                         s += ".lyx";
1621
1622                 // Check if the document already is open
1623                 if (bufferlist.exists(s)) {
1624                         switch (AskConfirmation(_("Document is already open:"),
1625                                                 MakeDisplayPath(s, 50),
1626                                                 _("Do you want to close that document now?\n"
1627                                                   "('No' will just switch to the open version)")))
1628                         {
1629                         case 1: // Yes: close the document
1630                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1631                                 // If close is canceled, we cancel here too.
1632                                         return;
1633                                 break;
1634                         case 2: // No: switch to the open document
1635                                 owner->view()->buffer(bufferlist.getBuffer(s));
1636                                 return;
1637                         case 3: // Cancel: Do nothing
1638                                 owner->message(_("Canceled."));
1639                                 return;
1640                         }
1641                 }
1642                 // Check whether the file already exists
1643                 FileInfo fi(s);
1644                 if (fi.readable() &&
1645                     AskQuestion(_("File already exists:"),
1646                                 MakeDisplayPath(s, 50),
1647                                 _("Do you want to open the document?"))) {
1648                                 // loads document
1649                         string const disp_fn(MakeDisplayPath(s));
1650
1651                         ostringstream str;
1652                         str << _("Opening  document") << ' '
1653                             << disp_fn << "...";
1654
1655                         owner->message(str.str().c_str());
1656                         //XFlush(fl_get_display());
1657                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1658                         ostringstream str2;
1659                         str2 << _("Document") << ' '
1660                              << disp_fn << ' ' << _("opened.");
1661
1662                         owner->message(str2.str().c_str());
1663
1664                         return;
1665                 }
1666         } else {
1667                 s = AddName(lyxrc.document_path,
1668                             "newfile" + tostr(++newfile_number) + ".lyx");
1669                 FileInfo fi(s);
1670                 while (bufferlist.exists(s) || fi.readable()) {
1671                         ++newfile_number;
1672                         s = AddName(lyxrc.document_path,
1673                                     "newfile" + tostr(newfile_number) +
1674                                     ".lyx");
1675                         fi.newFile(s);
1676                 }
1677         }
1678
1679         // The template stuff
1680         string templname;
1681         if (fromTemplate) {
1682                 FileDialog fileDlg(owner, _("Select template file"),
1683                         LFUN_SELECT_FILE_SYNC,
1684                         make_pair(string(_("Documents")),
1685                                   string(lyxrc.document_path)),
1686                         make_pair(string(_("Templates")),
1687                                   string(lyxrc.template_path)));
1688
1689                 FileDialog::Result result =
1690                         fileDlg.Select(lyxrc.template_path,
1691                                        _("*.lyx|LyX Documents (*.lyx)"));
1692
1693                 if (result.first == FileDialog::Later)
1694                         return;
1695
1696                 string const fname = result.second;
1697
1698                 if (fname.empty())
1699                         return;
1700                 templname = fname;
1701         }
1702
1703         // find a free buffer
1704         lyxerr[Debug::INFO] << "Find a free buffer." << endl;
1705         owner->view()->buffer(bufferlist.newFile(s, templname));
1706 }
1707
1708
1709 void LyXFunc::Open(string const & fname)
1710 {
1711         string initpath = lyxrc.document_path;
1712
1713         if (owner->view()->available()) {
1714                 string const trypath = owner->buffer()->filepath;
1715                 // If directory is writeable, use this as default.
1716                 if (IsDirWriteable(trypath) == 1)
1717                         initpath = trypath;
1718         }
1719
1720         string filename;
1721
1722         if (fname.empty()) {
1723                 FileDialog fileDlg(owner, _("Select document to open"),
1724                         LFUN_FILE_OPEN,
1725                         make_pair(string(_("Documents")),
1726                                   string(lyxrc.document_path)),
1727                         make_pair(string(_("Examples")),
1728                                   string(AddPath(system_lyxdir, "examples"))));
1729
1730                 FileDialog::Result result =
1731                         fileDlg.Select(initpath,
1732                                        "*.lyx|LyX Documents (*.lyx)");
1733
1734                 if (result.first == FileDialog::Later)
1735                         return;
1736
1737                 filename = result.second;
1738
1739                 // check selected filename
1740                 if (filename.empty()) {
1741                         owner->message(_("Canceled."));
1742                         return;
1743                 }
1744         } else
1745                 filename = fname;
1746
1747         // get absolute path of file and add ".lyx" to the filename if
1748         // necessary
1749         filename = FileSearch(string(), filename, "lyx");
1750
1751         // loads document
1752         string const disp_fn(MakeDisplayPath(filename));
1753
1754         ostringstream str;
1755         str << _("Opening document") << ' ' << disp_fn << "...";
1756
1757         owner->message(str.str().c_str());
1758
1759         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1760         if (openbuf) {
1761                 owner->view()->buffer(openbuf);
1762                 ostringstream str;
1763                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1764                 owner->message(str.str().c_str());
1765         } else {
1766                 ostringstream str;
1767                 str << _("Could not open docuent") << ' ' << disp_fn;
1768                 owner->message(str.str().c_str());
1769         }
1770 }
1771
1772
1773 // checks for running without gui are missing.
1774 void LyXFunc::doImport(string const & argument)
1775 {
1776         string format;
1777         string filename = split(argument, format, ' ');
1778         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1779                             << " file: " << filename << endl;
1780
1781         if (filename.empty()) { // need user interaction
1782                 string initpath = lyxrc.document_path;
1783
1784                 if (owner->view()->available()) {
1785                         string const trypath = owner->buffer()->filepath;
1786                         // If directory is writeable, use this as default.
1787                         if (IsDirWriteable(trypath) == 1)
1788                                 initpath = trypath;
1789                 }
1790
1791                 string const text = _("Select ") + formats.PrettyName(format)
1792                         + _(" file to import");
1793
1794                 FileDialog fileDlg(owner, text,
1795                         LFUN_IMPORT,
1796                         make_pair(string(_("Documents")),
1797                                   string(lyxrc.document_path)),
1798                         make_pair(string(_("Examples")),
1799                                   string(AddPath(system_lyxdir, "examples"))));
1800
1801                 string const extension = "*." + formats.Extension(format)
1802                         + "| " + formats.PrettyName(format)
1803                         + " (*." + formats.Extension(format) + ")";
1804
1805                 FileDialog::Result result = fileDlg.Select(initpath,
1806                                                            extension);
1807
1808                 if (result.first == FileDialog::Later)
1809                         return;
1810
1811                 filename = result.second;
1812
1813                 // check selected filename
1814                 if (filename.empty())
1815                         owner->message(_("Canceled."));
1816         }
1817
1818         // still no filename? abort
1819         if (filename.empty())
1820                 return;
1821
1822         // get absolute path of file
1823         filename = MakeAbsPath(filename);
1824
1825         string const lyxfile = ChangeExtension(filename, ".lyx");
1826
1827         // Check if the document already is open
1828         if (bufferlist.exists(lyxfile)) {
1829                 switch (AskConfirmation(_("Document is already open:"),
1830                                         MakeDisplayPath(lyxfile, 50),
1831                                         _("Do you want to close that document now?\n"
1832                                           "('No' will just switch to the open version)")))
1833                         {
1834                         case 1: // Yes: close the document
1835                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1836                                 // If close is canceled, we cancel here too.
1837                                         return;
1838                                 break;
1839                         case 2: // No: switch to the open document
1840                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1841                                 return;
1842                         case 3: // Cancel: Do nothing
1843                                 owner->message(_("Canceled."));
1844                                 return;
1845                         }
1846         }
1847
1848         // Check if a LyX document by the same root exists in filesystem
1849         FileInfo const f(lyxfile, true);
1850         if (f.exist() && !AskQuestion(_("A document by the name"),
1851                                       MakeDisplayPath(lyxfile),
1852                                       _("already exists. Overwrite?"))) {
1853                 owner->message(_("Canceled"));
1854                 return;
1855         }
1856         // filename should be valid now
1857
1858         Importer::Import(owner, filename, format);
1859 }
1860
1861
1862 void LyXFunc::reloadBuffer()
1863 {
1864         string const fn = owner->buffer()->fileName();
1865         if (bufferlist.close(owner->buffer()))
1866                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1867 }
1868
1869
1870 void LyXFunc::CloseBuffer()
1871 {
1872         if (bufferlist.close(owner->buffer()) && !quitting) {
1873                 if (bufferlist.empty()) {
1874                         // need this otherwise SEGV may occur while trying to
1875                         // set variables that don't exist
1876                         // since there's no current buffer
1877                         owner->getDialogs()->hideBufferDependent();
1878                 } else {
1879                         owner->view()->buffer(bufferlist.first());
1880                 }
1881         }
1882 }
1883
1884
1885 // Each "owner" should have it's own message method. lyxview and
1886 // the minibuffer would use the minibuffer, but lyxserver would
1887 // send an ERROR signal to its client.  Alejandro 970603
1888 // This func is bit problematic when it comes to NLS, to make the
1889 // lyx servers client be language indepenent we must not translate
1890 // strings sent to this func.
1891 void LyXFunc::setErrorMessage(string const & m) const
1892 {
1893         dispatch_buffer = m;
1894         errorstat = true;
1895 }
1896
1897
1898 void LyXFunc::setMessage(string const & m)
1899 {
1900         dispatch_buffer = m;
1901 }
1902
1903
1904 void LyXFunc::initMiniBuffer()
1905 {
1906         string text = _("Welcome to LyX!");
1907
1908         // When meta-fake key is pressed, show the key sequence so far + "M-".
1909         if (wasMetaKey()) {
1910                 keyseqStr();
1911                 text += "M-";
1912         }
1913
1914         // Else, when a non-complete key sequence is pressed,
1915         // show the available options.
1916         else if (keyseqUncomplete())
1917                 text = keyseqOptions();
1918
1919         // Else, show the buffer state.
1920         else if (owner->view()->available()) {
1921                 Buffer * tmpbuf = owner->buffer();
1922
1923                 string const nicename =
1924                         MakeDisplayPath(tmpbuf->fileName());
1925                 // Should we do this instead? (kindo like emacs)
1926                 // leaves more room for other information
1927                 text = "LyX: ";
1928                 text += nicename;
1929                 if (tmpbuf->lyxvc.inUse()) {
1930                         text += " [";
1931                         text += tmpbuf->lyxvc.version();
1932                         text += ' ';
1933                         text += tmpbuf->lyxvc.locker();
1934                         if (tmpbuf->isReadonly())
1935                                 text += " (RO)";
1936                         text += ']';
1937                 } else if (tmpbuf->isReadonly())
1938                         text += " [RO]";
1939                 if (!tmpbuf->isLyxClean())
1940                         text += _(" (Changed)");
1941         } else {
1942                 if (text != _("Welcome to LyX!")) // this is a hack
1943                         text = _("* No document open *");
1944         }
1945
1946         owner->message(text);
1947 }
1948