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 #if 0
  16 #include <time.h>
  17 #include <locale.h>
  18 #else
  19 #include <ctime>
  20 #include <clocale>
  21 #endif
  22
  23 #include <utility>
  24 #include <algorithm>
  25
  26 #include <cstdlib>
  27 #include <cctype>
  28
  29 #ifdef __GNUG__
  30 #pragma implementation
  31 #endif
  32
  33 #include "support/lyxalgo.h"
  34 #include "version.h"
  35 #include "kbmap.h"
  36 #include "lyxfunc.h"
  37 #include "bufferlist.h"
  38 #include "BufferView.h"
  39 #include "ColorHandler.h"
  40 #include "lyxserver.h"
  41 #include "intl.h"
  42 #include "lyx_main.h"
  43 #include "lyx_cb.h"
  44 #include "LyXAction.h"
  45 #include "insets/inseturl.h"
  46 #include "insets/insetlatexaccent.h"
  47 #include "insets/insettoc.h"
  48 #include "insets/insetref.h"
  49 #include "insets/insetparent.h"
  50 #include "insets/insetindex.h"
  51 #include "insets/insetinclude.h"
  52 #include "insets/insetbib.h"
  53 #include "insets/insetcite.h"
  54 #include "insets/insettext.h"
  55 #include "insets/insetert.h"
  56 #include "insets/insetexternal.h"
  57 #include "insets/insetgraphics.h"
  58 #include "insets/insetfoot.h"
  59 #include "insets/insetmarginal.h"
  60 #include "insets/insetminipage.h"
  61 #include "insets/insetfloat.h"
  62 #if 0
  63 #include "insets/insetlist.h"
  64 #include "insets/insettheorem.h"
  65 #endif
  66 #include "insets/insettabular.h"
  67 #include "insets/insetcaption.h"
  68 #include "mathed/formulamacro.h"
  69 #include "mathed/math_cursor.h"
  70 #include "mathed/math_inset.h"
  71 #include "minibuffer.h"
  72 #include "vspace.h"
  73 #include "LyXView.h"
  74 #include "lyx_gui_misc.h"
  75 #include "support/filetools.h"
  76 #include "support/FileInfo.h"
  77 #include "support/syscall.h"
  78 #include "support/lstrings.h"
  79 #include "support/path.h"
  80 #include "support/lyxfunctional.h"
  81 #include "debug.h"
  82 #include "lyxrc.h"
  83 #include "lyxtext.h"
  84 #include "gettext.h"
  85 #include "trans_mgr.h"
  86 #include "layout.h"
  87 #include "WorkArea.h"
  88 #include "bufferview_funcs.h"
  89 #include "frontends/FileDialog.h"
  90 #include "frontends/Dialogs.h"
  91 #include "frontends/Toolbar.h"
  92 #include "frontends/Menubar.h"
  93 #include "FloatList.h"
  94 #include "converter.h"
  95 #include "exporter.h"
  96 #include "importer.h"
  97 #include "FontLoader.h"
  98 #include "TextCache.h"
  99 #include "lyxfind.h"
 100 #include "undo_funcs.h"
 101
 102 using std::pair;
 103 using std::make_pair;
 104 using std::endl;
 105 using std::find_if;
 106
 107 extern BufferList bufferlist;
 108 extern LyXServer * lyxserver;
 109 extern int greek_kb_flag;
 110 extern bool selection_possible;
 111 extern void MenuSendto();
 112
 113 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 114
 115 extern void show_symbols_form(LyXFunc *);
 116
 117 extern LyXAction lyxaction;
 118 // (alkis)
 119 extern tex_accent_struct get_accent(kb_action action);
 120
 121 extern LyXTextClass::size_type current_layout;
 122
 123 extern void ShowLatexLog();
 124
 125
 126 #if 0
 127
 128 ///
 129 class MiniBufferController : public SigC::Object {
 130 public:
 131         ///
 132         MiniBufferController() {
 133                 minibuffer
 134                         .cmdReady
 135                         .connect(slot(this,
 136                                       &MiniBufferController::receiveCommand));
 137                 minibuffer
 138                         .argReady
 139                         .connect(slot(this,
 140                                       &MiniBufferController::receiveArg));
 141         }
 142         ///
 143         void receiveCmd(string const & cmd) {}
 144         ///
 145         void receiveArg(string const & arg) {}
 146
 147
 148 private:
 149 };
 150
 151 namespace {
 152
 153 MiniBufferController mb_ctrl;
 154
 155 }
 156 #endif
 157
 158
 159 /* === globals =========================================================== */
 160
 161 // Initialization of static member var
 162 bool LyXFunc::show_sc = true;
 163
 164
 165 LyXFunc::LyXFunc(LyXView * o)
 166         : owner(o)
 167 {
 168         meta_fake_bit = 0;
 169         lyx_dead_action = LFUN_NOACTION;
 170         lyx_calling_dead_action = LFUN_NOACTION;
 171         setupLocalKeymap();
 172 }
 173
 174
 175 inline
 176 LyXText * LyXFunc::TEXT(bool flag = true) const
 177 {
 178         if (flag)
 179                 return owner->view()->text;
 180         return owner->view()->getLyXText();
 181 }
 182
 183
 184 // I changed this func slightly. I commented out the ...FinishUndo(),
 185 // this means that all places that used to have a moveCursorUpdate, now
 186 // have a ...FinishUndo() as the preceeding statement. I have also added
 187 // a moveCursorUpdate to some of the functions that updated the cursor, but
 188 // that did not show its new position.
 189 inline
 190 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 191 {
 192         if (selecting || TEXT(flag)->selection.mark()) {
 193                 TEXT(flag)->setSelection(owner->view());
 194                 if (TEXT(flag)->bv_owner)
 195                     owner->view()->toggleToggle();
 196         }
 197         owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 198         owner->view()->showCursor();
 199
 200         /* ---> Everytime the cursor is moved, show the current font state. */
 201         // should this too me moved out of this func?
 202         owner->view()->setState();
 203 }
 204
 205
 206 void LyXFunc::handleKeyFunc(kb_action action)
 207 {
 208         char c = keyseq.getiso();
 209
 210         if (keyseq.length != -1) c = 0;
 211
 212         owner->getIntl()->getTrans()
 213                 .deadkey(c, get_accent(action).accent, TEXT(false));
 214         // Need to reset, in case the minibuffer calls these
 215         // actions
 216         keyseq.reset();
 217         keyseq.length = 0;
 218         // copied verbatim from do_accent_char
 219         owner->view()->update(TEXT(false),
 220                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 221         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 222 }
 223
 224
 225 void LyXFunc::processKeySym(KeySym keysym, unsigned int state)
 226 {
 227         string argument;
 228
 229         if (lyxerr.debugging(Debug::KEY)) {
 230                 char const * tmp = XKeysymToString(keysym);
 231                 string const stm = (tmp ? tmp : "");
 232                 lyxerr << "KeySym is "
 233                        << stm
 234                        << "["
 235                        << keysym << "] State is ["
 236                        << state << "]"
 237                        << endl;
 238         }
 239         // Do nothing if we have nothing (JMarc)
 240         if (keysym == NoSymbol) {
 241                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 242                                    << endl;
 243                 return;
 244         }
 245
 246         // Can we be sure that this will work for all X-Windows
 247         // implementations? (Lgb)
 248         // This code snippet makes lyx ignore some keys. Perhaps
 249         // all of them should be explictly mentioned?
 250         if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
 251             || keysym == XK_Mode_switch || keysym == 0x0) {
 252                 return;
 253         }
 254
 255         // Do a one-deep top-level lookup for
 256         // cancel and meta-fake keys. RVDK_PATCH_5
 257         cancel_meta_seq.reset();
 258
 259         int action = cancel_meta_seq.addkey(keysym, state
 260                                             &(ShiftMask|ControlMask
 261                                               |Mod1Mask));
 262         if (lyxerr.debugging(Debug::KEY)) {
 263                 lyxerr << "action first set to [" << action << "]" << endl;
 264         }
 265
 266         // When not cancel or meta-fake, do the normal lookup.
 267         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 268         // Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
 269         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 270                 if (lyxerr.debugging(Debug::KEY)) {
 271                         lyxerr << "meta_fake_bit is ["
 272                                << meta_fake_bit << "]" << endl;
 273                 }
 274                 // remove Caps Lock and Mod2 as a modifiers
 275                 action = keyseq.addkey(keysym,
 276                                        (state | meta_fake_bit)
 277                                        &(ShiftMask|ControlMask
 278                                          |Mod1Mask));
 279                 if (lyxerr.debugging(Debug::KEY)) {
 280                         lyxerr << "action now set to ["
 281                                << action << "]" << endl;
 282                 }
 283         }
 284         // Dont remove this unless you know what you are doing.
 285         meta_fake_bit = 0;
 286
 287         if (action == 0) action = LFUN_PREFIX;
 288
 289         if (lyxerr.debugging(Debug::KEY)) {
 290                 string buf;
 291                 keyseq.print(buf);
 292                 lyxerr << "Key [action="
 293                        << action << "]["
 294                        << buf << "]"
 295                        << endl;
 296         }
 297
 298         // already here we know if it any point in going further
 299         // why not return already here if action == -1 and
 300         // num_bytes == 0? (Lgb)
 301
 302         if (keyseq.length > 1 || keyseq.length < -1) {
 303                 string buf;
 304                 keyseq.print(buf);
 305                 owner->message(buf);
 306         }
 307
 308         if (action == -1) {
 309                 // It is unknown, but what if we remove all
 310                 // the modifiers? (Lgb)
 311                 action = keyseq.addkey(keysym, 0);
 312
 313                 if (lyxerr.debugging(Debug::KEY)) {
 314                         lyxerr << "Removing modifiers...\n"
 315                                << "Action now set to ["
 316                                << action << "]" << endl;
 317                 }
 318                 if (action == -1) {
 319                         owner->message(_("Unknown function."));
 320                         return;
 321                 }
 322         }
 323
 324         if (action == LFUN_SELFINSERT) {
 325                 // This is very X dependant.
 326                 unsigned int c = keysym;
 327
 328                 switch (c & 0x0000FF00) {
 329                         // latin 1 byte 3 = 0
 330                 case 0x00000000: break;
 331                         // latin 2 byte 3 = 1
 332                 case 0x00000100:
 333                         // latin 3 byte 3 = 2
 334                 case 0x00000200:
 335                         // latin 4 byte 3 = 3
 336                 case 0x00000300:
 337                         // latin 8 byte 3 = 18 (0x12)
 338                 case 0x00001200:
 339                         // latin 9 byte 3 = 19 (0x13)
 340                 case 0x00001300:
 341                         c &= 0x000000FF;
 342                         break;
 343                 default:
 344                         c = 0;
 345                         break;
 346                 }
 347                 if (c > 0)
 348                         argument = static_cast<char>(c);
 349                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 350                                    << argument << "']" << endl;
 351         }
 352
 353         bool tmp_sc = show_sc;
 354         show_sc = false;
 355         dispatch(action, argument);
 356         show_sc = tmp_sc;
 357
 358         //return 0;
 359 }
 360
 361
 362 func_status::value_type LyXFunc::getStatus(int ac) const
 363 {
 364         return getStatus(ac, string());
 365 }
 366
 367
 368 func_status::value_type LyXFunc::getStatus(int ac,
 369                                            string const & not_to_use_arg) const
 370 {
 371         kb_action action;
 372         func_status::value_type flag = func_status::OK;
 373         string argument;
 374         Buffer * buf = owner->buffer();
 375
 376         if (lyxaction.isPseudoAction(ac))
 377                 action = lyxaction.retrieveActionArg(ac, argument);
 378         else {
 379                 action = static_cast<kb_action>(ac);
 380                 if (!not_to_use_arg.empty())
 381                         argument = not_to_use_arg; // exept here
 382         }
 383
 384         if (action == LFUN_UNKNOWN_ACTION) {
 385                 setErrorMessage(N_("Unknown action"));
 386                 return func_status::Unknown;
 387         }
 388
 389         // Check whether we need a buffer
 390         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 391                 // Yes we need a buffer, do we have one?
 392                 if (buf) {
 393                         // yes
 394                         // Can we use a readonly buffer?
 395                         if (buf->isReadonly() &&
 396                             !lyxaction.funcHasFlag(action,
 397                                                    LyXAction::ReadOnly)) {
 398                                 // no
 399                                 setErrorMessage(N_("Document is read-only"));
 400                                 flag |= func_status::Disabled;
 401                         }
 402                 } else {
 403                         // no
 404                         setErrorMessage(N_("Command not allowed with"
 405                                            "out any document open"));
 406                         flag |= func_status::Disabled;
 407                         return flag;
 408                 }
 409         }
 410
 411         // I would really like to avoid having this switch and rather try to
 412         // encode this in the function itself.
 413         bool disable = false;
 414         switch (action) {
 415         case LFUN_MENUPRINT:
 416                 disable = !Exporter::IsExportable(buf, "dvi")
 417                         || lyxrc.print_command == "none";
 418                 break;
 419         case LFUN_EXPORT:
 420                 disable = argument == "fax" &&
 421                         !Exporter::IsExportable(buf, argument);
 422                 break;
 423         case LFUN_UNDO:
 424                 disable = buf->undostack.empty();
 425                 break;
 426         case LFUN_REDO:
 427                 disable = buf->redostack.empty();
 428                 break;
 429         case LFUN_SPELLCHECK:
 430                 disable = lyxrc.isp_command == "none";
 431                 break;
 432         case LFUN_RUNCHKTEX:
 433                 disable = lyxrc.chktex_command == "none";
 434                 break;
 435         case LFUN_BUILDPROG:
 436                 disable = !Exporter::IsExportable(buf, "program");
 437                 break;
 438
 439         case LFUN_LAYOUT_TABULAR:
 440                 disable = true;
 441                 if (owner->view()->theLockingInset()) {
 442                         disable = (owner->view()->theLockingInset()->lyxCode() != Inset::TABULAR_CODE) &&
 443                                 !owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE);
 444                 }
 445                 break;
 446
 447         case LFUN_TABULAR_FEATURE:
 448                 disable = true;
 449                 if (owner->view()->theLockingInset()) {
 450                         func_status::value_type ret = func_status::Disabled;
 451                         if (owner->view()->theLockingInset()->lyxCode() == Inset::TABULAR_CODE) {
 452                                 ret = static_cast<InsetTabular *>
 453                                         (owner->view()->theLockingInset())->
 454                                         getStatus(argument);
 455                         } else if (owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 456                                 ret = static_cast<InsetTabular *>
 457                                         (owner->view()->theLockingInset()->
 458                                          getFirstLockingInsetOfType(Inset::TABULAR_CODE))->
 459                                         getStatus(argument);
 460                         }
 461                         flag |= ret;
 462                         disable = false;
 463                 } else {
 464                         static InsetTabular inset(*owner->buffer(), 1, 1);
 465                         func_status::value_type ret;
 466
 467                         disable = true;
 468                         ret = inset.getStatus(argument);
 469                         if ((ret & func_status::ToggleOn) ||
 470                             (ret & func_status::ToggleOff))
 471                                 flag |= func_status::ToggleOff;
 472                 }
 473                 break;
 474
 475         case LFUN_VC_REGISTER:
 476                 disable = buf->lyxvc.inUse();
 477                 break;
 478         case LFUN_VC_CHECKIN:
 479                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 480                 break;
 481         case LFUN_VC_CHECKOUT:
 482                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 483                 break;
 484         case LFUN_VC_REVERT:
 485         case LFUN_VC_UNDO:
 486         case LFUN_VC_HISTORY:
 487                 disable = !buf->lyxvc.inUse();
 488                 break;
 489         case LFUN_BOOKMARK_GOTO:
 490                 disable =  !owner->view()->
 491                         isSavedPosition(strToUnsignedInt(argument));
 492                 break;
 493
 494
 495         case LFUN_INSET_TOGGLE:
 496                 disable = (TEXT(false)->getInset() == 0);
 497                 break;
 498
 499         case LFUN_MATH_VALIGN: {
 500     // I think this test can be simplified (Andre')
 501                 // mathcursor is != 0  iff we are in math mode
 502                 //Inset * tli = owner->view()->theLockingInset();
 503                 //if (tli && (tli->lyxCode() == Inset::MATH_CODE
 504                 //          || tli->lyxCode() == Inset::MATHMACRO_CODE)) {
 505                 //
 506                 if (mathcursor) {
 507                         char align = mathcursor->valign();
 508                         if (align == '\0') {
 509                                 disable = true;
 510                                 break;
 511                         }
 512                         if (argument.empty()) {
 513                                 flag = func_status::OK;
 514                                 break;
 515                         }
 516                         if (!contains("tcb", argument[0])) {
 517                                 disable = true;
 518                                 break;
 519                         }
 520                         if (argument[0] == align)
 521                                 flag |= func_status::ToggleOn;
 522                         else
 523                                 flag |= func_status::ToggleOff;
 524                 } else
 525                         disable = true;
 526                 break;
 527         }
 528         case LFUN_MATH_HALIGN: {
 529                 //Inset * tli = owner->view()->theLockingInset();
 530                 //if (tli && (tli->lyxCode() == Inset::MATH_CODE
 531                 //          || tli->lyxCode() == Inset::MATHMACRO_CODE)) {
 532                 if (mathcursor) {
 533                         char align = mathcursor->halign();
 534                         if (align == '\0') {
 535                                 disable = true;
 536                                 break;
 537                         }
 538                         if (argument.empty()) {
 539                                 flag = func_status::OK;
 540                                 break;
 541                         }
 542                         if (!contains("lcr", argument[0])) {
 543                                 disable = true;
 544                                 break;
 545                         }
 546                         if (argument[0] == align)
 547                                 flag |= func_status::ToggleOn;
 548                         else
 549                                 flag |= func_status::ToggleOff;
 550                 } else
 551                         disable = true;
 552                 break;
 553         }
 554         case LFUN_MATH_MUTATE: {
 555                 Inset * tli = owner->view()->theLockingInset();
 556                 if (tli && (tli->lyxCode() == Inset::MATH_CODE)) {
 557                         MathInsetTypes type = mathcursor->par()->GetType();
 558                         func_status::value_type box = func_status::ToggleOff;
 559                         if (argument == "inline") {
 560                                 if (type == LM_OT_SIMPLE)
 561                                         box = func_status::ToggleOn;
 562                         } else if (argument == "display") {
 563                                 if (type == LM_OT_EQUATION)
 564                                         box = func_status::ToggleOn;
 565                         } else if (argument == "eqnarray") {
 566                                 if (type == LM_OT_EQNARRAY)
 567                                         box = func_status::ToggleOn;
 568                         } else if (argument == "align") {
 569                                 if (type == LM_OT_ALIGN)
 570                                         box = func_status::ToggleOn;
 571                         } else {
 572                                 box = func_status::OK;
 573                                 disable = true;
 574                         }
 575                         flag |= box;
 576                 } else
 577                         disable = true;
 578                 break;
 579         }
 580
 581         // we just need to be in math mode to enable that
 582         case LFUN_MATH_SIZE:
 583         case LFUN_MATH_LIMITS:
 584         case LFUN_MATH_NONUMBER:
 585         case LFUN_MATH_NUMBER:
 586                 disable = !mathcursor;
 587                 break;
 588
 589         // we need to be math mode and a math array for that
 590         // Hack: halign produces non-zero result iff we are in a math array
 591         case LFUN_MATH_ROW_INSERT:
 592         case LFUN_MATH_ROW_DELETE:
 593         case LFUN_MATH_COLUMN_INSERT:
 594         case LFUN_MATH_COLUMN_DELETE:
 595                 disable = !mathcursor || !mathcursor->halign();
 596                 break;
 597
 598         default:
 599                 break;
 600         }
 601
 602         // the functions which insert insets
 603         Inset::Code code = Inset::NO_CODE;
 604         switch (action) {
 605         case LFUN_INSET_TEXT:
 606                 code = Inset::TEXT_CODE;
 607                 break;
 608         case LFUN_INSET_ERT:
 609                 code = Inset::ERT_CODE;
 610                 break;
 611         case LFUN_FIGURE:
 612         case LFUN_INSET_GRAPHICS:
 613                 code = Inset::GRAPHICS_CODE;
 614                 break;
 615         case LFUN_INSET_FOOTNOTE:
 616                 code = Inset::FOOT_CODE;
 617                 break;
 618         case LFUN_DIALOG_TABULAR_INSERT:
 619         case LFUN_INSET_TABULAR:
 620                 code = Inset::TABULAR_CODE;
 621                 break;
 622         case LFUN_INSET_EXTERNAL:
 623                 code = Inset::EXTERNAL_CODE;
 624                 break;
 625         case LFUN_INSET_MARGINAL:
 626                 code = Inset::MARGIN_CODE;
 627                 break;
 628         case LFUN_INSET_MINIPAGE:
 629                 code = Inset::MINIPAGE_CODE;
 630                 break;
 631         case LFUN_INSET_FLOAT:
 632         case LFUN_INSET_WIDE_FLOAT:
 633                 code = Inset::FLOAT_CODE;
 634                 break;
 635         case LFUN_FLOAT_LIST:
 636                 code = Inset::FLOAT_LIST_CODE;
 637                 break;
 638 #if 0
 639         case LFUN_INSET_LIST:
 640                 code = Inset::LIST_CODE;
 641                 break;
 642         case LFUN_INSET_THEOREM:
 643                 code = Inset::THEOREM_CODE;
 644                 break;
 645 #endif
 646         case LFUN_INSET_CAPTION:
 647                 code = Inset::CAPTION_CODE;
 648                 break;
 649         case LFUN_INSERT_NOTE:
 650                 code = Inset::IGNORE_CODE;
 651                 break;
 652         case LFUN_INSERT_LABEL:
 653                 code = Inset::LABEL_CODE;
 654                 break;
 655         case LFUN_REF_INSERT:
 656                 code = Inset::REF_CODE;
 657                 break;
 658         case LFUN_CITATION_CREATE:
 659         case LFUN_CITATION_INSERT:
 660                 code = Inset::CITE_CODE;
 661                 break;
 662         case LFUN_INSERT_BIBTEX:
 663                 code = Inset::BIBTEX_CODE;
 664                 break;
 665         case LFUN_INDEX_INSERT:
 666         case LFUN_INDEX_INSERT_LAST:
 667         case LFUN_INDEX_CREATE:
 668                 code = Inset::INDEX_CODE;
 669                 break;
 670         case LFUN_INDEX_PRINT:
 671                 code = Inset::INDEX_PRINT_CODE;
 672                 break;
 673         case LFUN_CHILD_INSERT:
 674                 code = Inset::INCLUDE_CODE;
 675                 break;
 676         case LFUN_TOC_INSERT:
 677                 code = Inset::TOC_CODE;
 678                 break;
 679         case LFUN_PARENTINSERT:
 680                 code = Inset::PARENT_CODE;
 681                 break;
 682         case LFUN_HTMLURL:
 683         case LFUN_URL:
 684         case LFUN_INSERT_URL:
 685                 code = Inset::URL_CODE;
 686                 break;
 687         case LFUN_QUOTE:
 688                 // always allow this, since we will inset a raw quote
 689                 // if an inset is not allowed.
 690                 break;
 691         case LFUN_HYPHENATION:
 692         case LFUN_LIGATURE_BREAK:
 693         case LFUN_HFILL:
 694         case LFUN_MENU_SEPARATOR:
 695         case LFUN_LDOTS:
 696         case LFUN_END_OF_SENTENCE:
 697         case LFUN_PROTECTEDSPACE:
 698                 code = Inset::SPECIALCHAR_CODE;
 699                 break;
 700         default:
 701                 break;
 702         }
 703         if (code != Inset::NO_CODE
 704             && owner->view()->theLockingInset()
 705             && !owner->view()->theLockingInset()->insetAllowed(code)) {
 706                 disable = true;
 707         }
 708
 709         if (disable)
 710                 flag |= func_status::Disabled;
 711
 712         // the font related functions
 713         func_status::value_type box = func_status::ToggleOff;
 714         LyXFont const & font =
 715                 TEXT(false)->real_current_font;
 716         switch (action) {
 717         case LFUN_EMPH:
 718                 if (font.emph() == LyXFont::ON)
 719                         box = func_status::ToggleOn;
 720                 break;
 721         case LFUN_NOUN:
 722                 if (font.noun() == LyXFont::ON)
 723                         box = func_status::ToggleOn;
 724                 break;
 725         case LFUN_BOLD:
 726                 if (font.series() == LyXFont::BOLD_SERIES)
 727                         box = func_status::ToggleOn;
 728                 break;
 729 #ifndef NO_LATEX
 730         case LFUN_TEX:
 731                 if (font.latex() == LyXFont::ON)
 732                         box = func_status::ToggleOn;
 733                 break;
 734 #endif
 735         case LFUN_READ_ONLY_TOGGLE:
 736                 if (buf->isReadonly())
 737                         box = func_status::ToggleOn;
 738                 break;
 739         default:
 740                 box = func_status::OK;
 741                 break;
 742         }
 743         flag |= box;
 744
 745         return flag;
 746 }
 747
 748
 749 // temporary dispatch method
 750 void LyXFunc::miniDispatch(string const & s)
 751 {
 752         if (!s.empty()) {
 753                 dispatch(s);
 754         }
 755 }
 756
 757
 758 string const LyXFunc::dispatch(string const & s)
 759 {
 760         // Split command string into command and argument
 761         string cmd;
 762         string line = frontStrip(s);
 763         string const arg = strip(frontStrip(split(line, cmd, ' ')));
 764
 765         return dispatch(lyxaction.LookupFunc(cmd), arg);
 766 }
 767
 768
 769 string const LyXFunc::dispatch(int ac,
 770                                string const & do_not_use_this_arg)
 771 {
 772         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << ac
 773                               <<"] arg[" << do_not_use_this_arg << "]" << endl;
 774
 775         string argument;
 776         kb_action action;
 777
 778         // we have not done anything wrong yet.
 779         errorstat = false;
 780         dispatch_buffer.erase();
 781
 782         // if action is a pseudo-action, we need the real action
 783         if (lyxaction.isPseudoAction(ac)) {
 784                 string tmparg;
 785                 action = static_cast<kb_action>
 786                         (lyxaction.retrieveActionArg(ac, tmparg));
 787                 if (!tmparg.empty())
 788                         argument = tmparg;
 789         } else {
 790                 action = static_cast<kb_action>(ac);
 791                 if (!do_not_use_this_arg.empty())
 792                         argument = do_not_use_this_arg; // except here
 793         }
 794
 795 #ifdef NEW_DISPATCHER
 796         // We try do call the most specific dispatcher first:
 797         //  1. the lockinginset's dispatch
 798         //  2. the bufferview's dispatch
 799         //  3. the lyxview's dispatch
 800 #endif
 801
 802         selection_possible = false;
 803
 804         if (owner->view()->available())
 805                 owner->view()->hideCursor();
 806
 807         // We cannot use this function here
 808         if (getStatus(ac, do_not_use_this_arg) & func_status::Disabled) {
 809                 lyxerr << "LyXFunc::Dispatch: "
 810                        << lyxaction.getActionName(ac)
 811                        << " [" << ac << "] is disabled ad this location"
 812                        << endl;
 813                 goto exit_with_message;
 814         }
 815
 816         if (owner->view()->available() && owner->view()->theLockingInset()) {
 817                 UpdatableInset::RESULT result;
 818                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 819                                      (keyseq.length >= -1)))
 820                 {
 821                         if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
 822                                 argument = keyseq.getiso();
 823                         }
 824                         // Undo/Redo is a bit tricky for insets.
 825                         if (action == LFUN_UNDO) {
 826 #ifdef RETHINK_THIS_FOR_NOW_WE_LEAVE_ALL_UNLOCKED
 827                                 int slx;
 828                                 int sly;
 829                                 UpdatableInset * inset =
 830                                         owner->view()->theLockingInset()->getLockingInset();
 831                                 int inset_id = inset->id();
 832                                 inset->getCursorPos(owner->view(), slx, sly);
 833                                 owner->view()->unlockInset(inset);
 834 #else
 835                                 owner->view()->unlockInset(owner->view()->theLockingInset());
 836 #endif
 837                                 owner->view()->menuUndo();
 838 #ifdef RETHINK_THIS_FOR_NOW_WE_LEAVE_ALL_UNLOCKED
 839 #if 0
 840                                 if (TEXT()->cursor.par()->
 841                                     isInset(TEXT()->cursor.pos())) {
 842                                         inset = static_cast<UpdatableInset*>(
 843                                                 TEXT()->cursor.par()->
 844                                                 getInset(TEXT()->
 845                                                          cursor.pos()));
 846                                 } else {
 847                                         inset = 0;
 848                                 }
 849 #else
 850                                 inset = static_cast<UpdatableInset *>(owner->view()->buffer()->getInsetFromID(inset_id));
 851 #endif
 852                                 if (inset)
 853                                         inset->edit(owner->view(),slx,sly,0);
 854 #endif
 855                                 return string();
 856                         } else if (action == LFUN_REDO) {
 857                                 int slx;
 858                                 int sly;
 859                                 UpdatableInset * inset = owner->view()->
 860                                         theLockingInset();
 861                                 inset->getCursorPos(owner->view(), slx, sly);
 862                                 owner->view()->unlockInset(inset);
 863                                 owner->view()->menuRedo();
 864                                 inset = static_cast<UpdatableInset*>(
 865                                         TEXT()->cursor.par()->
 866                                         getInset(TEXT()->
 867                                                  cursor.pos()));
 868                                 if (inset)
 869                                         inset->edit(owner->view(),slx,sly,0);
 870                                 return string();
 871                         } else if (((result=owner->view()->theLockingInset()->
 872                                    localDispatch(owner->view(), action,
 873                                                  argument)) ==
 874                                    UpdatableInset::DISPATCHED) ||
 875                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 876                                 return string();
 877                         else {
 878                                 //setMessage(N_("Text mode"));
 879                                 switch (action) {
 880                                 case LFUN_UNKNOWN_ACTION:
 881                                 case LFUN_BREAKPARAGRAPH:
 882                                 case LFUN_BREAKLINE:
 883                                         TEXT()->cursorRight(owner->view());
 884                                         owner->view()->setState();
 885                                         owner->showState();
 886                                         break;
 887                                 case LFUN_RIGHT:
 888                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 889                                                 TEXT()->cursorRight(owner->view());
 890                                                 moveCursorUpdate(true, false);
 891                                                 owner->showState();
 892                                         }
 893                                         return string();
 894                                 case LFUN_LEFT:
 895                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 896                                                 TEXT()->cursorRight(owner->view());
 897                                                 moveCursorUpdate(true, false);
 898                                                 owner->showState();
 899                                         }
 900                                         return string();
 901                                 case LFUN_DOWN:
 902                                         if (TEXT()->cursor.row()->next())
 903                                                 TEXT()->cursorDown(owner->view());
 904                                         else
 905                                                 TEXT()->cursorRight(owner->view());
 906                                         moveCursorUpdate(true, false);
 907                                         owner->showState();
 908                                         return string();
 909                                 default:
 910                                         break;
 911                                 }
 912                         }
 913                 }
 914         }
 915
 916         lyx::Assert(action != LFUN_SELECT_FILE_SYNC);
 917
 918         switch (action) {
 919
 920         case LFUN_ESCAPE:
 921         {
 922                 if (!owner->view()->available()) break;
 923
 924                 // this function should be used always [asierra060396]
 925                 UpdatableInset * tli =
 926                         owner->view()->theLockingInset();
 927                 if (tli) {
 928                         UpdatableInset * lock = tli->getLockingInset();
 929
 930                         if (tli == lock) {
 931                                 owner->view()->unlockInset(tli);
 932                                 TEXT()->cursorRight(owner->view());
 933                                 moveCursorUpdate(true, false);
 934                                 owner->showState();
 935                         } else {
 936                                 tli->unlockInsetInInset(owner->view(),
 937                                                         lock,
 938                                                         true);
 939                         }
 940                 }
 941         }
 942         break;
 943
 944                 // --- Misc -------------------------------------------
 945         case LFUN_WORDFINDFORWARD  :
 946         case LFUN_WORDFINDBACKWARD : {
 947                 static string last_search;
 948                 string searched_string;
 949
 950                 if (!argument.empty()) {
 951                         last_search = argument;
 952                         searched_string = argument;
 953                 } else {
 954                         searched_string = last_search;
 955                 }
 956                 bool fw = (action == LFUN_WORDFINDBACKWARD);
 957                 if (!searched_string.empty()) {
 958                         LyXFind(owner->view(), searched_string, fw);
 959                 }
 960 //              owner->view()->showCursor();
 961         }
 962         break;
 963
 964         case LFUN_PREFIX:
 965         {
 966                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
 967                         owner->view()->update(TEXT(),
 968                                               BufferView::SELECT|BufferView::FITCUR);
 969                 }
 970                 string buf;
 971                 keyseq.print(buf, true);
 972                 owner->message(buf);
 973         }
 974         break;
 975
 976         // --- Misc -------------------------------------------
 977         case LFUN_EXEC_COMMAND:
 978         {
 979                 std::vector<string> allCmds;
 980                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
 981                                std::back_inserter(allCmds), lyx::firster());
 982                 static std::vector<string> hist;
 983                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
 984                                                   allCmds, hist);
 985         }
 986         break;
 987
 988         case LFUN_CANCEL:                   // RVDK_PATCH_5
 989                 keyseq.reset();
 990                 meta_fake_bit = 0;
 991                 if (owner->view()->available())
 992                         // cancel any selection
 993                         dispatch(LFUN_MARK_OFF);
 994                 setMessage(N_("Cancel"));
 995                 break;
 996
 997         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 998         {
 999                 meta_fake_bit = Mod1Mask;
1000                 string buf;
1001                 keyseq.print(buf, true);
1002                 setMessage(buf); // RVDK_PATCH_5
1003         }
1004         break;
1005
1006         case LFUN_READ_ONLY_TOGGLE:
1007                 if (owner->buffer()->lyxvc.inUse()) {
1008                         owner->buffer()->lyxvc.toggleReadOnly();
1009                 } else {
1010                         owner->buffer()->setReadonly(
1011                                 !owner->buffer()->isReadonly());
1012                 }
1013                 break;
1014
1015         case LFUN_CENTER: // this is center and redraw.
1016                 owner->view()->center();
1017                 break;
1018
1019                 // --- Menus -----------------------------------------------
1020         case LFUN_MENUNEW:
1021                 menuNew(false);
1022                 break;
1023
1024         case LFUN_MENUNEWTMPLT:
1025                 menuNew(true);
1026                 break;
1027
1028         case LFUN_CLOSEBUFFER:
1029                 closeBuffer();
1030                 break;
1031
1032         case LFUN_MENUWRITE:
1033                 if (!owner->buffer()->isUnnamed()) {
1034                         ostringstream s1;
1035                         s1 << _("Saving document") << ' '
1036                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
1037                         owner->message(s1.str().c_str());
1038                         MenuWrite(owner->view(), owner->buffer());
1039                 } else
1040                         WriteAs(owner->view(), owner->buffer());
1041                 break;
1042
1043         case LFUN_WRITEAS:
1044                 WriteAs(owner->view(), owner->buffer(), argument);
1045                 break;
1046
1047         case LFUN_MENURELOAD:
1048                 reloadBuffer();
1049                 break;
1050
1051         case LFUN_UPDATE:
1052                 Exporter::Export(owner->buffer(), argument, true);
1053                 break;
1054
1055         case LFUN_PREVIEW:
1056                 Exporter::Preview(owner->buffer(), argument);
1057                 break;
1058
1059         case LFUN_BUILDPROG:
1060                 Exporter::Export(owner->buffer(), "program", true);
1061                 break;
1062
1063         case LFUN_RUNCHKTEX:
1064                 MenuRunChktex(owner->buffer());
1065                 break;
1066
1067         case LFUN_MENUPRINT:
1068                 owner->getDialogs()->showPrint();
1069                 break;
1070
1071         case LFUN_EXPORT:
1072                 if (argument == "custom")
1073                         MenuSendto();
1074                 else
1075                         Exporter::Export(owner->buffer(), argument, false);
1076                 break;
1077
1078         case LFUN_IMPORT:
1079                 doImport(argument);
1080                 break;
1081
1082         case LFUN_QUIT:
1083                 QuitLyX();
1084                 break;
1085
1086         case LFUN_TOCVIEW:
1087 #if 0
1088         case LFUN_LOFVIEW:
1089         case LFUN_LOTVIEW:
1090         case LFUN_LOAVIEW:
1091 #endif
1092         {
1093                 InsetCommandParams p;
1094
1095 #if 0
1096                 if (action == LFUN_TOCVIEW)
1097 #endif
1098                         p.setCmdName("tableofcontents");
1099 #if 0
1100                 else if (action == LFUN_LOAVIEW )
1101                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1102                 else if (action == LFUN_LOFVIEW)
1103                         p.setCmdName("listoffigures");
1104                 else
1105                         p.setCmdName("listoftables");
1106 #endif
1107                 owner->getDialogs()->createTOC(p.getAsString());
1108                 break;
1109         }
1110
1111         case LFUN_DIALOG_TABULAR_INSERT:
1112                 owner->getDialogs()->showTabularCreate();
1113                 break;
1114
1115         case LFUN_FIGURE:
1116                 Figure();
1117                 break;
1118
1119         case LFUN_AUTOSAVE:
1120                 AutoSave(owner->view());
1121                 break;
1122
1123         case LFUN_UNDO:
1124                 owner->view()->menuUndo();
1125                 break;
1126
1127         case LFUN_REDO:
1128                 owner->view()->menuRedo();
1129                 break;
1130
1131         case LFUN_MENUSEARCH:
1132                 owner->getDialogs()->showSearch();
1133                 break;
1134
1135         case LFUN_REMOVEERRORS:
1136                 if (owner->view()->removeAutoInsets()) {
1137                         owner->view()->redraw();
1138                         owner->view()->fitCursor(TEXT());
1139                 }
1140                 break;
1141
1142         case LFUN_DEPTH:
1143                 changeDepth(owner->view(), TEXT(false), 0);
1144                 break;
1145
1146         case LFUN_DEPTH_MIN:
1147                 changeDepth(owner->view(), TEXT(false), -1);
1148                 break;
1149
1150         case LFUN_DEPTH_PLUS:
1151                 changeDepth(owner->view(), TEXT(false), 1);
1152                 break;
1153
1154         case LFUN_FREE:
1155                 owner->getDialogs()->setUserFreeFont();
1156                 break;
1157
1158 #ifndef NO_LATEX
1159         case LFUN_TEX:
1160                 Tex(owner->view());
1161                 owner->view()->setState();
1162                 owner->showState();
1163                 break;
1164 #endif
1165
1166         case LFUN_RECONFIGURE:
1167                 Reconfigure(owner->view());
1168                 break;
1169
1170 #if 0
1171         case LFUN_FLOATSOPERATE:
1172                 if (argument == "openfoot")
1173                         owner->view()->allFloats(1,0);
1174                 else if (argument == "closefoot")
1175                         owner->view()->allFloats(0,0);
1176                 else if (argument == "openfig")
1177                         owner->view()->allFloats(1,1);
1178                 else if (argument == "closefig")
1179                         owner->view()->allFloats(0,1);
1180                 break;
1181 #else
1182 #ifdef WITH_WARNINGS
1183 #warning Find another implementation here (or another lyxfunc)!
1184 #endif
1185 #endif
1186         case LFUN_HELP_ABOUTLYX:
1187                 owner->getDialogs()->showAboutlyx();
1188                 break;
1189
1190         case LFUN_HELP_COPYRIGHT:
1191         case LFUN_HELP_CREDITS:
1192
1193
1194         case LFUN_HELP_OPEN:
1195         {
1196                 string const arg = argument;
1197                 if (arg.empty()) {
1198                         setErrorMessage(N_("Missing argument"));
1199                         break;
1200                 }
1201                 owner->prohibitInput();
1202                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1203                 if (fname.empty()) {
1204                         lyxerr << "LyX: unable to find documentation file `"
1205                                << arg << "'. Bad installation?" << endl;
1206                         owner->allowInput();
1207                         break;
1208                 }
1209                 ostringstream str;
1210                 str << _("Opening help file") << ' '
1211                     << MakeDisplayPath(fname) << "...";
1212                 owner->message(str.str().c_str());
1213                 owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
1214                 owner->allowInput();
1215                 break;
1216         }
1217
1218         case LFUN_HELP_VERSION:
1219
1220                 // --- version control -------------------------------
1221         case LFUN_VC_REGISTER:
1222         {
1223                 if (!owner->buffer()->lyxvc.inUse())
1224                         owner->buffer()->lyxvc.registrer();
1225         }
1226         break;
1227
1228         case LFUN_VC_CHECKIN:
1229         {
1230                 if (owner->buffer()->lyxvc.inUse()
1231                     && !owner->buffer()->isReadonly())
1232                         owner->buffer()->lyxvc.checkIn();
1233         }
1234         break;
1235
1236         case LFUN_VC_CHECKOUT:
1237         {
1238                 if (owner->buffer()->lyxvc.inUse()
1239                     && owner->buffer()->isReadonly())
1240                         owner->buffer()->lyxvc.checkOut();
1241         }
1242         break;
1243
1244         case LFUN_VC_REVERT:
1245         {
1246                 owner->buffer()->lyxvc.revert();
1247         }
1248         break;
1249
1250         case LFUN_VC_UNDO:
1251         {
1252                 owner->buffer()->lyxvc.undoLast();
1253         }
1254         break;
1255
1256         case LFUN_VC_HISTORY:
1257         {
1258                 owner->getDialogs()->showVCLogFile();
1259                 break;
1260         }
1261
1262         // --- buffers ----------------------------------------
1263
1264         case LFUN_SWITCHBUFFER:
1265                 owner->view()->buffer(bufferlist.getBuffer(argument));
1266                 break;
1267
1268         case LFUN_FILE_NEW:
1269         {
1270                 // servercmd: argument must be <file>:<template>
1271                 Buffer * tmpbuf = NewLyxFile(argument);
1272                 if (tmpbuf)
1273                         owner->view()->buffer(tmpbuf);
1274         }
1275         break;
1276
1277         case LFUN_FILE_OPEN:
1278                 open(argument);
1279                 break;
1280
1281         case LFUN_LATEX_LOG:
1282                 owner->getDialogs()->showLogFile();
1283                 break;
1284
1285         case LFUN_LAYOUTNO:
1286         {
1287                 lyxerr[Debug::INFO] << "LFUN_LAYOUTNO: (arg) " << argument << endl;
1288                 int sel = strToInt(argument);
1289                 lyxerr[Debug::INFO] << "LFUN_LAYOUTNO: (sel) "<< sel << endl;
1290
1291                 // Should this give a setMessage instead?
1292                 if (sel == 0)
1293                         return string(); // illegal argument
1294
1295                 --sel; // sel 1..., but layout 0...
1296
1297                 // Pretend we got the name instead.
1298                 dispatch(int(LFUN_LAYOUT),
1299                          textclasslist.NameOfLayout(owner->view()
1300                                                     ->buffer()->params.textclass,
1301                                                     sel));
1302                 return string();
1303         }
1304
1305         case LFUN_LAYOUT_DOCUMENT:
1306                 owner->getDialogs()->showDocument();
1307                 break;
1308
1309         case LFUN_LAYOUT_PARAGRAPH:
1310                 owner->getDialogs()->showParagraph();
1311                 break;
1312
1313         case LFUN_LAYOUT_CHARACTER:
1314                 owner->getDialogs()->showCharacter();
1315                 break;
1316
1317         case LFUN_LAYOUT_TABULAR:
1318             if (owner->view()->theLockingInset()) {
1319                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1320                     InsetTabular * inset = static_cast<InsetTabular *>
1321                         (owner->view()->theLockingInset());
1322                     inset->openLayoutDialog(owner->view());
1323                 } else if (owner->view()->theLockingInset()->
1324                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1325                     InsetTabular * inset = static_cast<InsetTabular *>(
1326                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1327                     inset->openLayoutDialog(owner->view());
1328                 }
1329             }
1330             break;
1331
1332         case LFUN_LAYOUT_PREAMBLE:
1333                 owner->getDialogs()->showPreamble();
1334                 break;
1335
1336         case LFUN_LAYOUT_SAVE_DEFAULT:
1337                 MenuLayoutSave(owner->view());
1338                 break;
1339
1340         case LFUN_DROP_LAYOUTS_CHOICE:
1341                 owner->getToolbar()->openLayoutList();
1342                 break;
1343
1344         case LFUN_MENU_OPEN_BY_NAME:
1345                 owner->getMenubar()->openByName(argument);
1346                 break; // RVDK_PATCH_5
1347
1348         case LFUN_SPELLCHECK:
1349                 if (lyxrc.isp_command != "none")
1350                         owner->getDialogs()->showSpellchecker();
1351                 break;
1352
1353         // --- lyxserver commands ----------------------------
1354
1355
1356         case LFUN_GETNAME:
1357                 setMessage(owner->buffer()->fileName());
1358                 lyxerr[Debug::INFO] << "FNAME["
1359                                << owner->buffer()->fileName()
1360                                << "] " << endl;
1361                 break;
1362
1363         case LFUN_NOTIFY:
1364         {
1365                 string buf;
1366                 keyseq.print(buf);
1367                 dispatch_buffer = buf;
1368                 lyxserver->notifyClient(dispatch_buffer);
1369         }
1370         break;
1371
1372         case LFUN_GOTOFILEROW:
1373         {
1374 #if 0
1375                 char file_name[100];
1376                 int row;
1377                 ::sscanf(argument.c_str(), " %s %d", file_name, &row);
1378 #else
1379                 string file_name;
1380                 int row;
1381                 istringstream istr(argument.c_str());
1382                 istr >> file_name >> row;
1383 #endif
1384                 // Must replace extension of the file to be .lyx and get full path
1385                 string const s(ChangeExtension(file_name, ".lyx"));
1386
1387                 // Either change buffer or load the file
1388                 if (bufferlist.exists(s)) {
1389                         owner->view()->buffer(bufferlist.getBuffer(s));
1390                 } else {
1391                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1392                 }
1393
1394                 // Set the cursor
1395                 owner->view()->setCursorFromRow(row);
1396
1397                 // Recenter screen
1398                 owner->view()->center();
1399         }
1400         break;
1401
1402         case LFUN_GOTO_PARAGRAPH:
1403         {
1404                 istringstream istr(argument.c_str());
1405
1406                 int id;
1407                 istr >> id;
1408                 Paragraph * par = owner->buffer()->getParFromID(id);
1409                 if (par == 0) {
1410                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1411                                             << id << "]" << std::endl;
1412                         break;
1413                 }
1414
1415                 // Set the cursor
1416                 TEXT()->setCursor(owner->view(), par, 0);
1417                 owner->view()->setState();
1418                 owner->showState();
1419
1420                 // Recenter screen
1421                 owner->view()->center();
1422         }
1423         break;
1424
1425         case LFUN_APROPOS:
1426         case LFUN_GETTIP:
1427         {
1428                 int const qa = lyxaction.LookupFunc(argument);
1429                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1430         }
1431         break;
1432
1433         // --- toolbar ----------------------------------
1434         case LFUN_PUSH_TOOLBAR:
1435         {
1436                 int nth = strToInt(argument);
1437                 if (nth <= 0) {
1438                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1439                 } else {
1440                         owner->getToolbar()->push(nth);
1441                 }
1442         }
1443         break;
1444
1445         case LFUN_ADD_TO_TOOLBAR:
1446         {
1447                 if (lyxerr.debugging(Debug::GUI)) {
1448                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1449                                 "argument = `" << argument << '\'' << endl;
1450                 }
1451                 string tmp(argument);
1452                 //lyxerr <<string("Argument: ") + argument);
1453                 //lyxerr <<string("Tmp     : ") + tmp);
1454                 if (tmp.empty()) {
1455                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1456                 } else {
1457                         owner->getToolbar()->add(argument, false);
1458                         owner->getToolbar()->set();
1459                 }
1460         }
1461         break;
1462
1463         // --- insert characters ----------------------------------------
1464
1465         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1466
1467         // Greek mode
1468         case LFUN_GREEK:
1469         {
1470                 if (!greek_kb_flag) {
1471                         greek_kb_flag = 1;
1472                         setMessage(N_("Math greek mode on"));
1473                 } else
1474                         greek_kb_flag = 0;
1475         }
1476         break;
1477
1478         // Greek keyboard
1479         case LFUN_GREEK_TOGGLE:
1480         {
1481                 greek_kb_flag = greek_kb_flag ? 0 : 2;
1482                 if (greek_kb_flag) {
1483                         setMessage(N_("Math greek keyboard on"));
1484                 } else {
1485                         setMessage(N_("Math greek keyboard off"));
1486                 }
1487         }
1488         break;
1489
1490         case LFUN_MATH_EXTERN:
1491         case LFUN_MATH_NUMBER:
1492         case LFUN_MATH_NONUMBER:
1493         case LFUN_MATH_LIMITS:
1494         {
1495                 setErrorMessage(N_("This is only allowed in math mode!"));
1496         }
1497         break;
1498
1499         case LFUN_MATH_PANEL:
1500                 owner->getDialogs()->showMathPanel();
1501                 break;
1502
1503         case LFUN_CITATION_CREATE:
1504         {
1505                 InsetCommandParams p( "cite" );
1506
1507                 if (!argument.empty()) {
1508                         // This should be set at source, ie when typing
1509                         // "citation-insert foo" in the minibuffer.
1510                         // Question: would pybibliographer also need to be
1511                         // changed. Suspect so. Leave as-is therefore.
1512                         if (contains(argument, "|")) {
1513                                 p.setContents( token(argument, '|', 0) );
1514                                 p.setOptions(  token(argument, '|', 1) );
1515                         } else {
1516                                 p.setContents( argument );
1517                         }
1518                         dispatch(LFUN_CITATION_INSERT, p.getAsString());
1519                 } else
1520                         owner->getDialogs()->createCitation( p.getAsString() );
1521         }
1522         break;
1523
1524         case LFUN_CHILDOPEN:
1525         {
1526                 string const filename =
1527                         MakeAbsPath(argument,
1528                                     OnlyPath(owner->buffer()->fileName()));
1529                 setMessage(N_("Opening child document ") +
1530                            MakeDisplayPath(filename) + "...");
1531                 owner->view()->savePosition(0);
1532                 if (bufferlist.exists(filename))
1533                         owner->view()->buffer(bufferlist.getBuffer(filename));
1534                 else
1535                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1536         }
1537         break;
1538
1539         case LFUN_TOGGLECURSORFOLLOW:
1540                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1541                 break;
1542
1543         case LFUN_KMAP_OFF:             // keymap off
1544                 owner->getIntl()->KeyMapOn(false);
1545                 break;
1546
1547         case LFUN_KMAP_PRIM:    // primary keymap
1548                 owner->getIntl()->KeyMapPrim();
1549                 break;
1550
1551         case LFUN_KMAP_SEC:             // secondary keymap
1552                 owner->getIntl()->KeyMapSec();
1553                 break;
1554
1555         case LFUN_KMAP_TOGGLE:  // toggle keymap
1556                 owner->getIntl()->ToggleKeyMap();
1557                 break;
1558
1559         case LFUN_SEQUENCE:
1560         {
1561                 // argument contains ';'-terminated commands
1562                 while (argument.find(';') != string::npos) {
1563                         string first;
1564                         argument = split(argument, first, ';');
1565                         dispatch(first);
1566                 }
1567         }
1568         break;
1569
1570         case LFUN_DIALOG_PREFERENCES:
1571                 owner->getDialogs()->showPreferences();
1572                 break;
1573
1574         case LFUN_SAVEPREFERENCES:
1575         {
1576                 Path p(user_lyxdir);
1577                 lyxrc.write("preferences");
1578         }
1579         break;
1580
1581         case LFUN_SCREEN_FONT_UPDATE:
1582         {
1583                 // handle the screen font changes.
1584                 //
1585                 lyxrc.set_font_norm_type();
1586                 fontloader.update();
1587                 // Of course we should only do the resize and the textcache.clear
1588                 // if values really changed...but not very important right now. (Lgb)
1589                 // All visible buffers will need resize
1590                 owner->resize();
1591                 // We also need to empty the textcache so that
1592                 // the buffer will be formatted correctly after
1593                 // a zoom change.
1594                 textcache.clear();
1595         }
1596         break;
1597
1598         case LFUN_SET_COLOR:
1599         {
1600                 string lyx_name;
1601                 string const x11_name = split(argument, lyx_name, ' ');
1602                 if (lyx_name.empty() || x11_name.empty()) {
1603                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1604                                                 " <x11_name>"));
1605                         break;
1606                         }
1607
1608                 if (!lcolor.setColor(lyx_name, x11_name)) {
1609                         static string const err1 (N_("Set-color \""));
1610                         static string const err2 (
1611                                 N_("\" failed - color is undefined "
1612                                    "or may not be redefined"));
1613                         setErrorMessage(_(err1) + lyx_name + _(err2));
1614                         break;
1615                 }
1616                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1617                 owner->view()->redraw();
1618                 break;
1619         }
1620
1621         case LFUN_MESSAGE:
1622                 owner->message(argument);
1623                 break;
1624
1625         case LFUN_MESSAGE_PUSH:
1626                 owner->messagePush(argument);
1627                 break;
1628
1629         case LFUN_MESSAGE_POP:
1630                 owner->messagePop();
1631                 break;
1632
1633         default:
1634                 // Then if it was none of the above
1635                 if (!owner->view()->Dispatch(action, argument))
1636                         lyxerr << "A truly unknown func ["
1637                                << lyxaction.getActionName(action) << "]!"
1638                                << endl;
1639                 break;
1640         } // end of switch
1641
1642 exit_with_message:
1643
1644         commandshortcut.erase();
1645
1646         if (lyxrc.display_shortcuts && show_sc) {
1647                 if (action != LFUN_SELFINSERT) {
1648                         // Put name of command and list of shortcuts
1649                         // for it in minibuffer
1650                         string comname = lyxaction.getActionName(action);
1651
1652                         int pseudoaction = action;
1653                         bool argsadded = false;
1654
1655                         if (!argument.empty()) {
1656                                 // If we have the command with argument,
1657                                 // this is better
1658                                 pseudoaction =
1659                                         lyxaction.searchActionArg(action,
1660                                                                   argument);
1661
1662                                 if (pseudoaction == -1) {
1663                                         pseudoaction = action;
1664                                 } else {
1665                                         comname += " " + argument;
1666                                         argsadded = true;
1667                                 }
1668                         }
1669
1670                         string const shortcuts =
1671                                 toplevel_keymap->findbinding(pseudoaction);
1672
1673                         if (!shortcuts.empty()) {
1674                                 comname += ": " + shortcuts;
1675                         } else if (!argsadded) {
1676                                 comname += " " + argument;
1677                         }
1678
1679                         if (!comname.empty()) {
1680                                 comname = strip(comname);
1681                                 commandshortcut = "(" + comname + ')';
1682
1683                                 // Here we could even add a small pause,
1684                                 // to annoy the user and make him learn
1685                                 // the shortcuts.
1686                                 // No! That will just annoy, not teach
1687                                 // anything. The user will read the messages
1688                                 // if they are interested. (Asger)
1689                         }
1690                 }
1691         }
1692
1693         string const res = getMessage();
1694
1695         if (res.empty()) {
1696                 if (!commandshortcut.empty()) {
1697                         owner->getMiniBuffer()->addSet(commandshortcut);
1698                 }
1699         } else {
1700                 string const msg(_(res) + ' ' + commandshortcut);
1701                 owner->message(msg);
1702         }
1703
1704         return res;
1705 }
1706
1707
1708 void LyXFunc::setupLocalKeymap()
1709 {
1710         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1711         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1712 }
1713
1714
1715 void LyXFunc::menuNew(bool fromTemplate)
1716 {
1717         string initpath = lyxrc.document_path;
1718
1719         if (owner->view()->available()) {
1720                 string const trypath = owner->buffer()->filepath;
1721                 // If directory is writeable, use this as default.
1722                 if (IsDirWriteable(trypath) == 1)
1723                         initpath = trypath;
1724         }
1725
1726         static int newfile_number;
1727         string s;
1728
1729         if (lyxrc.new_ask_filename) {
1730                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1731                                    LFUN_SELECT_FILE_SYNC,
1732                         make_pair(string(_("Documents")),
1733                                   string(lyxrc.document_path)),
1734                         make_pair(string(_("Templates")),
1735                                   string(lyxrc.template_path)));
1736
1737                 FileDialog::Result result =
1738                         fileDlg.Select(initpath,
1739                                        _("*.lyx|LyX Documents (*.lyx)"),
1740                                        _("newfile"));
1741
1742                 if (result.second.empty()) {
1743                         owner->message(_("Canceled."));
1744                         lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
1745                         return;
1746                 }
1747
1748                 // get absolute path of file and make sure the filename ends
1749                 // with .lyx
1750                 s = MakeAbsPath(result.second);
1751                 if (!IsLyXFilename(s))
1752                         s += ".lyx";
1753
1754                 // Check if the document already is open
1755                 if (bufferlist.exists(s)) {
1756                         switch (AskConfirmation(_("Document is already open:"),
1757                                                 MakeDisplayPath(s, 50),
1758                                                 _("Do you want to close that document now?\n"
1759                                                   "('No' will just switch to the open version)")))
1760                         {
1761                         case 1: // Yes: close the document
1762                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1763                                 // If close is canceled, we cancel here too.
1764                                         return;
1765                                 break;
1766                         case 2: // No: switch to the open document
1767                                 owner->view()->buffer(bufferlist.getBuffer(s));
1768                                 return;
1769                         case 3: // Cancel: Do nothing
1770                                 owner->message(_("Canceled."));
1771                                 return;
1772                         }
1773                 }
1774                 // Check whether the file already exists
1775                 FileInfo fi(s);
1776                 if (fi.readable() &&
1777                     AskQuestion(_("File already exists:"),
1778                                 MakeDisplayPath(s, 50),
1779                                 _("Do you want to open the document?"))) {
1780                                 // loads document
1781                         string const disp_fn(MakeDisplayPath(s));
1782
1783                         ostringstream str;
1784                         str << _("Opening  document") << ' '
1785                             << disp_fn << "...";
1786
1787                         owner->message(str.str().c_str());
1788                         //XFlush(fl_get_display());
1789                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1790                         ostringstream str2;
1791                         str2 << _("Document") << ' '
1792                              << disp_fn << ' ' << _("opened.");
1793
1794                         owner->message(str2.str().c_str());
1795
1796                         return;
1797                 }
1798         } else {
1799                 s = AddName(lyxrc.document_path,
1800                             "newfile" + tostr(++newfile_number) + ".lyx");
1801                 FileInfo fi(s);
1802                 while (bufferlist.exists(s) || fi.readable()) {
1803                         ++newfile_number;
1804                         s = AddName(lyxrc.document_path,
1805                                     "newfile" + tostr(newfile_number) +
1806                                     ".lyx");
1807                         fi.newFile(s);
1808                 }
1809         }
1810
1811         // The template stuff
1812         string templname;
1813         if (fromTemplate) {
1814                 FileDialog fileDlg(owner, _("Select template file"),
1815                         LFUN_SELECT_FILE_SYNC,
1816                         make_pair(string(_("Documents")),
1817                                   string(lyxrc.document_path)),
1818                         make_pair(string(_("Templates")),
1819                                   string(lyxrc.template_path)));
1820
1821                 FileDialog::Result result =
1822                         fileDlg.Select(lyxrc.template_path,
1823                                        _("*.lyx|LyX Documents (*.lyx)"));
1824
1825                 if (result.first == FileDialog::Later)
1826                         return;
1827
1828                 string const fname = result.second;
1829
1830                 if (fname.empty())
1831                         return;
1832                 templname = fname;
1833         }
1834
1835         // find a free buffer
1836         lyxerr[Debug::INFO] << "Find a free buffer." << endl;
1837         owner->view()->buffer(bufferlist.newFile(s, templname));
1838 }
1839
1840
1841 void LyXFunc::open(string const & fname)
1842 {
1843         string initpath = lyxrc.document_path;
1844
1845         if (owner->view()->available()) {
1846                 string const trypath = owner->buffer()->filepath;
1847                 // If directory is writeable, use this as default.
1848                 if (IsDirWriteable(trypath) == 1)
1849                         initpath = trypath;
1850         }
1851
1852         string filename;
1853
1854         if (fname.empty()) {
1855                 FileDialog fileDlg(owner, _("Select document to open"),
1856                         LFUN_FILE_OPEN,
1857                         make_pair(string(_("Documents")),
1858                                   string(lyxrc.document_path)),
1859                         make_pair(string(_("Examples")),
1860                                   string(AddPath(system_lyxdir, "examples"))));
1861
1862                 FileDialog::Result result =
1863                         fileDlg.Select(initpath,
1864                                        "*.lyx|LyX Documents (*.lyx)");
1865
1866                 if (result.first == FileDialog::Later)
1867                         return;
1868
1869                 filename = result.second;
1870
1871                 // check selected filename
1872                 if (filename.empty()) {
1873                         owner->message(_("Canceled."));
1874                         return;
1875                 }
1876         } else
1877                 filename = fname;
1878
1879         // get absolute path of file and add ".lyx" to the filename if
1880         // necessary
1881         filename = FileSearch(string(), filename, "lyx");
1882
1883         // loads document
1884         string const disp_fn(MakeDisplayPath(filename));
1885
1886         ostringstream str;
1887         str << _("Opening document") << ' ' << disp_fn << "...";
1888
1889         owner->message(str.str().c_str());
1890
1891         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1892         if (openbuf) {
1893                 owner->view()->buffer(openbuf);
1894                 ostringstream str;
1895                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1896                 owner->message(str.str().c_str());
1897         } else {
1898                 ostringstream str;
1899                 str << _("Could not open docuent") << ' ' << disp_fn;
1900                 owner->message(str.str().c_str());
1901         }
1902 }
1903
1904
1905 // checks for running without gui are missing.
1906 void LyXFunc::doImport(string const & argument)
1907 {
1908         string format;
1909         string filename = split(argument, format, ' ');
1910         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1911                             << " file: " << filename << endl;
1912
1913         if (filename.empty()) { // need user interaction
1914                 string initpath = lyxrc.document_path;
1915
1916                 if (owner->view()->available()) {
1917                         string const trypath = owner->buffer()->filepath;
1918                         // If directory is writeable, use this as default.
1919                         if (IsDirWriteable(trypath) == 1)
1920                                 initpath = trypath;
1921                 }
1922
1923                 string const text = _("Select ") + formats.PrettyName(format)
1924                         + _(" file to import");
1925
1926                 FileDialog fileDlg(owner, text,
1927                         LFUN_IMPORT,
1928                         make_pair(string(_("Documents")),
1929                                   string(lyxrc.document_path)),
1930                         make_pair(string(_("Examples")),
1931                                   string(AddPath(system_lyxdir, "examples"))));
1932
1933                 string const extension = "*." + formats.Extension(format)
1934                         + "| " + formats.PrettyName(format)
1935                         + " (*." + formats.Extension(format) + ")";
1936
1937                 FileDialog::Result result = fileDlg.Select(initpath,
1938                                                            extension);
1939
1940                 if (result.first == FileDialog::Later)
1941                         return;
1942
1943                 filename = result.second;
1944
1945                 // check selected filename
1946                 if (filename.empty())
1947                         owner->message(_("Canceled."));
1948         }
1949
1950         // still no filename? abort
1951         if (filename.empty())
1952                 return;
1953
1954         // get absolute path of file
1955         filename = MakeAbsPath(filename);
1956
1957         string const lyxfile = ChangeExtension(filename, ".lyx");
1958
1959         // Check if the document already is open
1960         if (bufferlist.exists(lyxfile)) {
1961                 switch (AskConfirmation(_("Document is already open:"),
1962                                         MakeDisplayPath(lyxfile, 50),
1963                                         _("Do you want to close that document now?\n"
1964                                           "('No' will just switch to the open version)")))
1965                         {
1966                         case 1: // Yes: close the document
1967                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1968                                 // If close is canceled, we cancel here too.
1969                                         return;
1970                                 break;
1971                         case 2: // No: switch to the open document
1972                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1973                                 return;
1974                         case 3: // Cancel: Do nothing
1975                                 owner->message(_("Canceled."));
1976                                 return;
1977                         }
1978         }
1979
1980         // Check if a LyX document by the same root exists in filesystem
1981         FileInfo const f(lyxfile, true);
1982         if (f.exist() && !AskQuestion(_("A document by the name"),
1983                                       MakeDisplayPath(lyxfile),
1984                                       _("already exists. Overwrite?"))) {
1985                 owner->message(_("Canceled"));
1986                 return;
1987         }
1988         // filename should be valid now
1989
1990         Importer::Import(owner, filename, format);
1991 }
1992
1993
1994 void LyXFunc::reloadBuffer()
1995 {
1996         string const fn = owner->buffer()->fileName();
1997         if (bufferlist.close(owner->buffer()))
1998                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1999 }
2000
2001
2002 void LyXFunc::closeBuffer()
2003 {
2004         if (bufferlist.close(owner->buffer()) && !quitting) {
2005                 if (bufferlist.empty()) {
2006                         // need this otherwise SEGV may occur while trying to
2007                         // set variables that don't exist
2008                         // since there's no current buffer
2009                         owner->getDialogs()->hideBufferDependent();
2010                 } else {
2011                         owner->view()->buffer(bufferlist.first());
2012                 }
2013         }
2014 }
2015
2016
2017 // Each "owner" should have it's own message method. lyxview and
2018 // the minibuffer would use the minibuffer, but lyxserver would
2019 // send an ERROR signal to its client.  Alejandro 970603
2020 // This func is bit problematic when it comes to NLS, to make the
2021 // lyx servers client be language indepenent we must not translate
2022 // strings sent to this func.
2023 void LyXFunc::setErrorMessage(string const & m) const
2024 {
2025         dispatch_buffer = m;
2026         errorstat = true;
2027 }
2028
2029
2030 void LyXFunc::setMessage(string const & m)
2031 {
2032         dispatch_buffer = m;
2033 }
2034
2035
2036 void LyXFunc::initMiniBuffer()
2037 {
2038         string text = _("Welcome to LyX!");
2039
2040         // When meta-fake key is pressed, show the key sequence so far + "M-".
2041         if (wasMetaKey()) {
2042                 keyseqStr();
2043                 text += "M-";
2044         }
2045
2046         // Else, when a non-complete key sequence is pressed,
2047         // show the available options.
2048         else if (keyseqUncomplete())
2049                 text = keyseqOptions();
2050
2051         // Else, show the buffer state.
2052         else if (owner->view()->available()) {
2053                 Buffer * tmpbuf = owner->buffer();
2054
2055                 string const nicename =
2056                         MakeDisplayPath(tmpbuf->fileName());
2057                 // Should we do this instead? (kindo like emacs)
2058                 // leaves more room for other information
2059                 text = "LyX: ";
2060                 text += nicename;
2061                 if (tmpbuf->lyxvc.inUse()) {
2062                         text += " [";
2063                         text += tmpbuf->lyxvc.version();
2064                         text += ' ';
2065                         text += tmpbuf->lyxvc.locker();
2066                         if (tmpbuf->isReadonly())
2067                                 text += " (RO)";
2068                         text += ']';
2069                 } else if (tmpbuf->isReadonly())
2070                         text += " [RO]";
2071                 if (!tmpbuf->isLyxClean())
2072                         text += _(" (Changed)");
2073         } else {
2074                 if (text != _("Welcome to LyX!")) // this is a hack
2075                         text = _("* No document open *");
2076         }
2077
2078         owner->message(text);
2079 }
2080