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 #ifdef NEW_DISPATCHER
 661         // We try do call the most specific dispatcher first:
 662         //  1. the lockinginset's dispatch
 663         //  2. the bufferview's dispatch
 664         //  3. the lyxview's dispatch
 665 #endif
 666
 667         selection_possible = false;
 668
 669         if (owner->view()->available())
 670                 owner->view()->hideCursor();
 671
 672         // We cannot use this function here
 673         if (getStatus(ac, do_not_use_this_arg) & func_status::Disabled)
 674                 goto exit_with_message;
 675
 676
 677         if (owner->view()->available() && owner->view()->theLockingInset()) {
 678                 UpdatableInset::RESULT result;
 679                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 680                                      (keyseq.length >= -1)))
 681                 {
 682                         if ((action==LFUN_UNKNOWN_ACTION) && argument.empty()){
 683                                 argument = keyseq.getiso();
 684                         }
 685                         // Undo/Redo is a bit tricky for insets.
 686                         if (action == LFUN_UNDO) {
 687                                 int slx;
 688                                 int sly;
 689                                 UpdatableInset * inset =
 690                                         owner->view()->theLockingInset();
 691                                 inset->getCursorPos(owner->view(), slx, sly);
 692                                 owner->view()->unlockInset(inset);
 693                                 owner->view()->menuUndo();
 694                                 if (TEXT()->cursor.par()->
 695                                     isInset(TEXT()->cursor.pos())) {
 696                                         inset = static_cast<UpdatableInset*>(
 697                                                 TEXT()->cursor.par()->
 698                                                 getInset(TEXT()->
 699                                                          cursor.pos()));
 700                                 } else {
 701                                         inset = 0;
 702                                 }
 703                                 if (inset)
 704                                         inset->edit(owner->view(),slx,sly,0);
 705                                 return string();
 706                         } else if (action == LFUN_REDO) {
 707                                 int slx;
 708                                 int sly;
 709                                 UpdatableInset * inset = owner->view()->
 710                                         theLockingInset();
 711                                 inset->getCursorPos(owner->view(), slx, sly);
 712                                 owner->view()->unlockInset(inset);
 713                                 owner->view()->menuRedo();
 714                                 inset = static_cast<UpdatableInset*>(
 715                                         TEXT()->cursor.par()->
 716                                         getInset(TEXT()->
 717                                                  cursor.pos()));
 718                                 if (inset)
 719                                         inset->edit(owner->view(),slx,sly,0);
 720                                 return string();
 721                         } else if (((result=owner->view()->theLockingInset()->
 722                                    localDispatch(owner->view(), action,
 723                                                  argument)) ==
 724                                    UpdatableInset::DISPATCHED) ||
 725                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 726                                 return string();
 727                         else {
 728                                 //setMessage(N_("Text mode"));
 729                                 switch (action) {
 730                                 case LFUN_UNKNOWN_ACTION:
 731                                 case LFUN_BREAKPARAGRAPH:
 732                                 case LFUN_BREAKLINE:
 733                                         TEXT()->cursorRight(owner->view());
 734                                         owner->view()->setState();
 735                                         owner->showState();
 736                                         break;
 737                                 case LFUN_RIGHT:
 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_LEFT:
 745                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 746                                                 TEXT()->cursorRight(owner->view());
 747                                                 moveCursorUpdate(true, false);
 748                                                 owner->showState();
 749                                         }
 750                                         return string();
 751                                 case LFUN_DOWN:
 752                                         if (TEXT()->cursor.row()->next())
 753                                                 TEXT()->cursorDown(owner->view());
 754                                         else
 755                                                 TEXT()->cursorRight(owner->view());
 756                                         moveCursorUpdate(true, false);
 757                                         owner->showState();
 758                                         return string();
 759                                 default:
 760                                         break;
 761                                 }
 762                         }
 763                 }
 764         }
 765
 766         lyx::Assert(action != LFUN_SELECT_FILE_SYNC);
 767
 768         switch (action) {
 769
 770         case LFUN_ESCAPE:
 771         {
 772                 if (!owner->view()->available()) break;
 773
 774                 // this function should be used always [asierra060396]
 775                 UpdatableInset * tli =
 776                         owner->view()->theLockingInset();
 777                 if (tli) {
 778                         UpdatableInset * lock = tli->getLockingInset();
 779
 780                         if (tli == lock) {
 781                                 owner->view()->unlockInset(tli);
 782                                 TEXT()->cursorRight(owner->view());
 783                                 moveCursorUpdate(true, false);
 784                                 owner->showState();
 785                         } else {
 786                                 tli->unlockInsetInInset(owner->view(),
 787                                                         lock,
 788                                                         true);
 789                         }
 790                 }
 791         }
 792         break;
 793
 794                 // --- Misc -------------------------------------------
 795         case LFUN_WORDFINDFORWARD  :
 796         case LFUN_WORDFINDBACKWARD : {
 797                 static string last_search;
 798                 string searched_string;
 799
 800                 if (!argument.empty()) {
 801                         last_search = argument;
 802                         searched_string = argument;
 803                 } else {
 804                         searched_string = last_search;
 805                 }
 806
 807                 if (!searched_string.empty() &&
 808                     ((action == LFUN_WORDFINDBACKWARD) ?
 809                      SearchBackward(owner->view(), searched_string) :
 810                      SearchForward(owner->view(), searched_string))) {
 811
 812                         // ??? What is that ???
 813                         owner->view()->update(TEXT(), BufferView::SELECT|BufferView::FITCUR);
 814
 815                         // ??? Needed ???
 816                         // clear the selection (if there is any)
 817                         owner->view()->toggleSelection();
 818                         TEXT()->clearSelection(owner->view());
 819
 820                         // Move cursor so that successive C-s 's will not stand in place.
 821                         if (action == LFUN_WORDFINDFORWARD )
 822                                 TEXT()->cursorRightOneWord(owner->view());
 823                         TEXT()->finishUndo();
 824                         moveCursorUpdate(true, false);
 825
 826                         // ??? Needed ???
 827                         // set the new selection
 828                         // SetSelectionOverLenChars(owner->view()->currentBuffer()->text, iLenSelected);
 829                         owner->view()->toggleSelection(false);
 830                 }
 831
 832                 // REMOVED : if (owner->view()->getWorkArea()->focus)
 833                 owner->view()->showCursor();
 834         }
 835         break;
 836
 837         case LFUN_PREFIX:
 838         {
 839                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
 840                         owner->view()->update(TEXT(),
 841                                               BufferView::SELECT|BufferView::FITCUR);
 842                 }
 843                 string buf;
 844                 keyseq.print(buf, true);
 845                 owner->message(buf);
 846         }
 847         break;
 848
 849         // --- Misc -------------------------------------------
 850         case LFUN_EXEC_COMMAND:
 851         {
 852                 std::vector<string> allCmds;
 853                 std::transform(lyxaction.func_begin(), lyxaction.func_end(),
 854                                std::back_inserter(allCmds), lyx::firster());
 855                 static std::vector<string> hist;
 856                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
 857                                                   allCmds, hist);
 858         }
 859         break;
 860
 861         case LFUN_CANCEL:                   // RVDK_PATCH_5
 862                 keyseq.reset();
 863                 meta_fake_bit = 0;
 864                 if (owner->view()->available())
 865                         // cancel any selection
 866                         Dispatch(LFUN_MARK_OFF);
 867                 setMessage(N_("Cancel"));
 868                 break;
 869
 870         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
 871         {
 872                 meta_fake_bit = Mod1Mask;
 873                 string buf;
 874                 keyseq.print(buf, true);
 875                 setMessage(buf); // RVDK_PATCH_5
 876         }
 877         break;
 878
 879         case LFUN_READ_ONLY_TOGGLE:
 880                 if (owner->buffer()->lyxvc.inUse()) {
 881                         owner->buffer()->lyxvc.toggleReadOnly();
 882                 } else {
 883                         owner->buffer()->setReadonly(
 884                                 !owner->buffer()->isReadonly());
 885                 }
 886                 break;
 887
 888         case LFUN_CENTER: // this is center and redraw.
 889                 owner->view()->center();
 890                 break;
 891
 892                 // --- Menus -----------------------------------------------
 893         case LFUN_MENUNEW:
 894                 MenuNew(false);
 895                 break;
 896
 897         case LFUN_MENUNEWTMPLT:
 898                 MenuNew(true);
 899                 break;
 900
 901         case LFUN_CLOSEBUFFER:
 902                 CloseBuffer();
 903                 break;
 904
 905         case LFUN_MENUWRITE:
 906                 if (!owner->buffer()->isUnnamed()) {
 907                         ostringstream s1;
 908                         s1 << _("Saving document") << ' '
 909                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
 910                         owner->message(s1.str().c_str());
 911                         MenuWrite(owner->view(), owner->buffer());
 912                 } else
 913                         WriteAs(owner->view(), owner->buffer());
 914                 break;
 915
 916         case LFUN_WRITEAS:
 917                 WriteAs(owner->view(), owner->buffer(), argument);
 918                 break;
 919
 920         case LFUN_MENURELOAD:
 921                 reloadBuffer();
 922                 break;
 923
 924         case LFUN_UPDATE:
 925                 Exporter::Export(owner->buffer(), argument, true);
 926                 break;
 927
 928         case LFUN_PREVIEW:
 929                 Exporter::Preview(owner->buffer(), argument);
 930                 break;
 931
 932         case LFUN_BUILDPROG:
 933                 Exporter::Export(owner->buffer(), "program", true);
 934                 break;
 935
 936         case LFUN_RUNCHKTEX:
 937                 MenuRunChktex(owner->buffer());
 938                 break;
 939
 940         case LFUN_MENUPRINT:
 941                 owner->getDialogs()->showPrint();
 942                 break;
 943
 944         case LFUN_EXPORT:
 945                 if (argument == "custom")
 946                         MenuSendto();
 947                 else
 948                         Exporter::Export(owner->buffer(), argument, false);
 949                 break;
 950
 951         case LFUN_IMPORT:
 952                 doImport(argument);
 953                 break;
 954
 955         case LFUN_QUIT:
 956                 QuitLyX();
 957                 break;
 958
 959         case LFUN_TOCVIEW:
 960 #if 0
 961         case LFUN_LOFVIEW:
 962         case LFUN_LOTVIEW:
 963         case LFUN_LOAVIEW:
 964 #endif
 965         {
 966                 InsetCommandParams p;
 967
 968 #if 0
 969                 if (action == LFUN_TOCVIEW)
 970 #endif
 971                         p.setCmdName("tableofcontents");
 972 #if 0
 973                 else if (action == LFUN_LOAVIEW )
 974                         p.setCmdName("listof{algorithm}{List of Algorithms}");
 975                 else if (action == LFUN_LOFVIEW)
 976                         p.setCmdName("listoffigures");
 977                 else
 978                         p.setCmdName("listoftables");
 979 #endif
 980                 owner->getDialogs()->createTOC(p.getAsString());
 981                 break;
 982         }
 983
 984         case LFUN_DIALOG_TABULAR_INSERT:
 985                 owner->getDialogs()->showTabularCreate();
 986                 break;
 987
 988         case LFUN_FIGURE:
 989                 Figure();
 990                 break;
 991
 992         case LFUN_AUTOSAVE:
 993                 AutoSave(owner->view());
 994                 break;
 995
 996         case LFUN_UNDO:
 997                 owner->view()->menuUndo();
 998                 break;
 999
1000         case LFUN_REDO:
1001                 owner->view()->menuRedo();
1002                 break;
1003
1004         case LFUN_MENUSEARCH:
1005                 owner->getDialogs()->showSearch();
1006                 break;
1007
1008         case LFUN_REMOVEERRORS:
1009                 if (owner->view()->removeAutoInsets()) {
1010                         owner->view()->redraw();
1011                         owner->view()->fitCursor(TEXT());
1012                 }
1013                 break;
1014
1015         case LFUN_DEPTH:
1016                 changeDepth(owner->view(), TEXT(false), 0);
1017                 break;
1018
1019         case LFUN_DEPTH_MIN:
1020                 changeDepth(owner->view(), TEXT(false), -1);
1021                 break;
1022
1023         case LFUN_DEPTH_PLUS:
1024                 changeDepth(owner->view(), TEXT(false), 1);
1025                 break;
1026
1027         case LFUN_FREE:
1028                 owner->getDialogs()->setUserFreeFont();
1029                 break;
1030
1031 #ifndef NO_LATEX
1032         case LFUN_TEX:
1033                 Tex(owner->view());
1034                 owner->view()->setState();
1035                 owner->showState();
1036                 break;
1037 #endif
1038
1039         case LFUN_RECONFIGURE:
1040                 Reconfigure(owner->view());
1041                 break;
1042
1043 #if 0
1044         case LFUN_FLOATSOPERATE:
1045                 if (argument == "openfoot")
1046                         owner->view()->allFloats(1,0);
1047                 else if (argument == "closefoot")
1048                         owner->view()->allFloats(0,0);
1049                 else if (argument == "openfig")
1050                         owner->view()->allFloats(1,1);
1051                 else if (argument == "closefig")
1052                         owner->view()->allFloats(0,1);
1053                 break;
1054 #else
1055 #ifdef WITH_WARNINGS
1056 #warning Find another implementation here (or another lyxfunc)!
1057 #endif
1058 #endif
1059         case LFUN_HELP_COPYRIGHT:
1060                 owner->getDialogs()->showCopyright();
1061                 break;
1062
1063         case LFUN_HELP_CREDITS:
1064                 owner->getDialogs()->showCredits();
1065                 break;
1066
1067         case LFUN_HELP_OPEN:
1068         {
1069                 string const arg = argument;
1070                 if (arg.empty()) {
1071                         setErrorMessage(N_("Missing argument"));
1072                         break;
1073                 }
1074                 ProhibitInput(owner->view());
1075                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1076                 if (fname.empty()) {
1077                         lyxerr << "LyX: unable to find documentation file `"
1078                                << arg << "'. Bad installation?" << endl;
1079                         AllowInput(owner->view());
1080                         break;
1081                 }
1082                 ostringstream str;
1083                 str << _("Opening help file") << ' '
1084                     << MakeDisplayPath(fname) << "...";
1085                 owner->message(str.str().c_str());
1086                 owner->view()->buffer(bufferlist.loadLyXFile(fname,false));
1087                 AllowInput(owner->view());
1088                 break;
1089         }
1090
1091         case LFUN_HELP_VERSION: {
1092                 ProhibitInput(owner->view());
1093                 string msg(_("LyX Version "));
1094                 msg += LYX_VERSION;
1095                 msg += " of ";
1096                 msg += LYX_RELEASE;
1097                 fl_show_message(msg.c_str(),
1098                                 (_("Library directory: ")
1099                                  + MakeDisplayPath(system_lyxdir)).c_str(),
1100                                 (_("User directory: ")
1101                                  + MakeDisplayPath(user_lyxdir)).c_str());
1102                 AllowInput(owner->view());
1103                 break;
1104         }
1105
1106                 // --- version control -------------------------------
1107         case LFUN_VC_REGISTER:
1108         {
1109                 if (!owner->buffer()->lyxvc.inUse())
1110                         owner->buffer()->lyxvc.registrer();
1111         }
1112         break;
1113
1114         case LFUN_VC_CHECKIN:
1115         {
1116                 if (owner->buffer()->lyxvc.inUse()
1117                     && !owner->buffer()->isReadonly())
1118                         owner->buffer()->lyxvc.checkIn();
1119         }
1120         break;
1121
1122         case LFUN_VC_CHECKOUT:
1123         {
1124                 if (owner->buffer()->lyxvc.inUse()
1125                     && owner->buffer()->isReadonly())
1126                         owner->buffer()->lyxvc.checkOut();
1127         }
1128         break;
1129
1130         case LFUN_VC_REVERT:
1131         {
1132                 owner->buffer()->lyxvc.revert();
1133         }
1134         break;
1135
1136         case LFUN_VC_UNDO:
1137         {
1138                 owner->buffer()->lyxvc.undoLast();
1139         }
1140         break;
1141
1142         case LFUN_VC_HISTORY:
1143         {
1144                 owner->getDialogs()->showVCLogFile();
1145                 break;
1146         }
1147
1148         // --- buffers ----------------------------------------
1149
1150         case LFUN_SWITCHBUFFER:
1151                 owner->view()->buffer(bufferlist.getBuffer(argument));
1152                 break;
1153
1154         case LFUN_FILE_NEW:
1155         {
1156                 // servercmd: argument must be <file>:<template>
1157                 Buffer * tmpbuf = NewLyxFile(argument);
1158                 if (tmpbuf)
1159                         owner->view()->buffer(tmpbuf);
1160         }
1161         break;
1162
1163         case LFUN_FILE_OPEN:
1164                 Open(argument);
1165                 break;
1166
1167         case LFUN_LATEX_LOG:
1168                 owner->getDialogs()->showLogFile();
1169                 break;
1170
1171         case LFUN_LAYOUTNO:
1172         {
1173                 lyxerr[Debug::INFO] << "LFUN_LAYOUTNO: (arg) " << argument << endl;
1174                 int sel = strToInt(argument);
1175                 lyxerr[Debug::INFO] << "LFUN_LAYOUTNO: (sel) "<< sel << endl;
1176
1177                 // Should this give a setMessage instead?
1178                 if (sel == 0)
1179                         return string(); // illegal argument
1180
1181                 --sel; // sel 1..., but layout 0...
1182
1183                 // Pretend we got the name instead.
1184                 Dispatch(int(LFUN_LAYOUT),
1185                          textclasslist.NameOfLayout(owner->view()
1186                                                     ->buffer()->params.textclass,
1187                                                     sel));
1188                 return string();
1189         }
1190
1191         case LFUN_LAYOUT_DOCUMENT:
1192                 owner->getDialogs()->showDocument();
1193                 break;
1194
1195         case LFUN_LAYOUT_PARAGRAPH:
1196                 owner->getDialogs()->showParagraph();
1197                 break;
1198
1199         case LFUN_LAYOUT_CHARACTER:
1200                 owner->getDialogs()->showCharacter();
1201                 break;
1202
1203         case LFUN_LAYOUT_TABULAR:
1204             if (owner->view()->theLockingInset()) {
1205                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1206                     InsetTabular * inset = static_cast<InsetTabular *>
1207                         (owner->view()->theLockingInset());
1208                     inset->openLayoutDialog(owner->view());
1209                 } else if (owner->view()->theLockingInset()->
1210                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1211                     InsetTabular * inset = static_cast<InsetTabular *>(
1212                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1213                     inset->openLayoutDialog(owner->view());
1214                 }
1215             }
1216             break;
1217
1218         case LFUN_LAYOUT_PREAMBLE:
1219                 owner->getDialogs()->showPreamble();
1220                 break;
1221
1222         case LFUN_LAYOUT_SAVE_DEFAULT:
1223                 MenuLayoutSave(owner->view());
1224                 break;
1225
1226         case LFUN_DROP_LAYOUTS_CHOICE:
1227                 owner->getToolbar()->openLayoutList();
1228                 break;
1229
1230         case LFUN_MENU_OPEN_BY_NAME:
1231                 owner->getMenubar()->openByName(argument);
1232                 break; // RVDK_PATCH_5
1233
1234         case LFUN_SPELLCHECK:
1235                 if (lyxrc.isp_command != "none")
1236                         ShowSpellChecker(owner->view());
1237                 break; // RVDK_PATCH_5
1238
1239         // --- lyxserver commands ----------------------------
1240
1241
1242         case LFUN_GETNAME:
1243                 setMessage(owner->buffer()->fileName());
1244                 lyxerr[Debug::INFO] << "FNAME["
1245                                << owner->buffer()->fileName()
1246                                << "] " << endl;
1247                 break;
1248
1249         case LFUN_NOTIFY:
1250         {
1251                 string buf;
1252                 keyseq.print(buf);
1253                 dispatch_buffer = buf;
1254                 lyxserver->notifyClient(dispatch_buffer);
1255         }
1256         break;
1257
1258         case LFUN_GOTOFILEROW:
1259         {
1260 #if 0
1261                 char file_name[100];
1262                 int row;
1263                 ::sscanf(argument.c_str(), " %s %d", file_name, &row);
1264 #else
1265                 string file_name;
1266                 int row;
1267                 istringstream istr(argument);
1268                 istr >> file_name >> row;
1269 #endif
1270                 // Must replace extension of the file to be .lyx and get full path
1271                 string const s(ChangeExtension(file_name, ".lyx"));
1272
1273                 // Either change buffer or load the file
1274                 if (bufferlist.exists(s)) {
1275                         owner->view()->buffer(bufferlist.getBuffer(s));
1276                 } else {
1277                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1278                 }
1279
1280                 // Set the cursor
1281                 owner->view()->setCursorFromRow(row);
1282
1283                 // Recenter screen
1284                 owner->view()->center();
1285         }
1286         break;
1287
1288         case LFUN_GOTO_PARAGRAPH:
1289         {
1290                 istringstream istr(argument);
1291
1292                 int id;
1293                 istr >> id;
1294                 Paragraph * par = TEXT()->getParFromID(id);
1295                 if (par == 0) {
1296                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1297                                             << id << "]" << std::endl;
1298                         break;
1299                 }
1300
1301                 // Set the cursor
1302                 TEXT()->setCursor(owner->view(), par, 0);
1303                 owner->view()->setState();
1304                 owner->showState();
1305
1306                 // Recenter screen
1307                 owner->view()->center();
1308         }
1309         break;
1310
1311         case LFUN_APROPOS:
1312         case LFUN_GETTIP:
1313         {
1314                 int const qa = lyxaction.LookupFunc(argument);
1315                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1316         }
1317         break;
1318
1319         // --- toolbar ----------------------------------
1320         case LFUN_PUSH_TOOLBAR:
1321         {
1322                 int nth = strToInt(argument);
1323                 if (nth <= 0) {
1324                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1325                 } else {
1326                         owner->getToolbar()->push(nth);
1327                 }
1328         }
1329         break;
1330
1331         case LFUN_ADD_TO_TOOLBAR:
1332         {
1333                 if (lyxerr.debugging(Debug::GUI)) {
1334                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1335                                 "argument = `" << argument << '\'' << endl;
1336                 }
1337                 string tmp(argument);
1338                 //lyxerr <<string("Argument: ") + argument);
1339                 //lyxerr <<string("Tmp     : ") + tmp);
1340                 if (tmp.empty()) {
1341                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1342                 } else {
1343                         owner->getToolbar()->add(argument, false);
1344                         owner->getToolbar()->set();
1345                 }
1346         }
1347         break;
1348
1349         // --- insert characters ----------------------------------------
1350
1351         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1352
1353         // Greek mode
1354         case LFUN_GREEK:
1355         {
1356                 if (!greek_kb_flag) {
1357                         greek_kb_flag = 1;
1358                         setMessage(N_("Math greek mode on"));
1359                 } else
1360                         greek_kb_flag = 0;
1361         }
1362         break;
1363
1364         // Greek keyboard
1365         case LFUN_GREEK_TOGGLE:
1366         {
1367                 greek_kb_flag = greek_kb_flag ? 0 : 2;
1368                 if (greek_kb_flag) {
1369                         setMessage(N_("Math greek keyboard on"));
1370                 } else {
1371                         setMessage(N_("Math greek keyboard off"));
1372                 }
1373         }
1374         break;
1375
1376         case LFUN_MATH_EXTERN:
1377         case LFUN_MATH_NUMBER:
1378         case LFUN_MATH_NONUMBER:
1379         case LFUN_MATH_LIMITS:
1380         {
1381                 setErrorMessage(N_("This is only allowed in math mode!"));
1382         }
1383         break;
1384
1385         case LFUN_MATH_PANEL:
1386                 owner->getDialogs()->showMathPanel();
1387                 break;
1388
1389         case LFUN_CITATION_CREATE:
1390         {
1391                 InsetCommandParams p( "cite" );
1392
1393                 if (!argument.empty()) {
1394                         // This should be set at source, ie when typing
1395                         // "citation-insert foo" in the minibuffer.
1396                         // Question: would pybibliographer also need to be
1397                         // changed. Suspect so. Leave as-is therefore.
1398                         if (contains(argument, "|")) {
1399                                 p.setContents( token(argument, '|', 0) );
1400                                 p.setOptions(  token(argument, '|', 1) );
1401                         } else {
1402                                 p.setContents( argument );
1403                         }
1404                         Dispatch(LFUN_CITATION_INSERT, p.getAsString());
1405                 } else
1406                         owner->getDialogs()->createCitation( p.getAsString() );
1407         }
1408         break;
1409
1410         case LFUN_CHILDOPEN:
1411         {
1412                 string const filename =
1413                         MakeAbsPath(argument,
1414                                     OnlyPath(owner->buffer()->fileName()));
1415                 setMessage(N_("Opening child document ") +
1416                            MakeDisplayPath(filename) + "...");
1417                 owner->view()->savePosition(0);
1418                 if (bufferlist.exists(filename))
1419                         owner->view()->buffer(bufferlist.getBuffer(filename));
1420                 else
1421                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1422         }
1423         break;
1424
1425         case LFUN_TOGGLECURSORFOLLOW:
1426                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1427                 break;
1428
1429         case LFUN_KMAP_OFF:             // keymap off
1430                 owner->getIntl()->KeyMapOn(false);
1431                 break;
1432
1433         case LFUN_KMAP_PRIM:    // primary keymap
1434                 owner->getIntl()->KeyMapPrim();
1435                 break;
1436
1437         case LFUN_KMAP_SEC:             // secondary keymap
1438                 owner->getIntl()->KeyMapSec();
1439                 break;
1440
1441         case LFUN_KMAP_TOGGLE:  // toggle keymap
1442                 owner->getIntl()->ToggleKeyMap();
1443                 break;
1444
1445         case LFUN_SEQUENCE:
1446         {
1447                 // argument contains ';'-terminated commands
1448                 while (argument.find(';') != string::npos) {
1449                         string first;
1450                         argument = split(argument, first, ';');
1451                         Dispatch(first);
1452                 }
1453         }
1454         break;
1455
1456         case LFUN_DIALOG_PREFERENCES:
1457                 owner->getDialogs()->showPreferences();
1458                 break;
1459
1460         case LFUN_SAVEPREFERENCES:
1461         {
1462                 Path p(user_lyxdir);
1463                 lyxrc.write("preferences");
1464         }
1465         break;
1466
1467         case LFUN_SCREEN_FONT_UPDATE:
1468         {
1469                 // handle the screen font changes.
1470                 //
1471                 lyxrc.set_font_norm_type();
1472                 fontloader.update();
1473                 // Of course we should only do the resize and the textcache.clear
1474                 // if values really changed...but not very important right now. (Lgb)
1475                 // All visible buffers will need resize
1476                 owner->resize();
1477                 // We also need to empty the textcache so that
1478                 // the buffer will be formatted correctly after
1479                 // a zoom change.
1480                 textcache.clear();
1481         }
1482         break;
1483
1484         case LFUN_SET_COLOR:
1485         {
1486                 string lyx_name;
1487                 string const x11_name = split(argument, lyx_name, ' ');
1488                 if (lyx_name.empty() || x11_name.empty()) {
1489                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1490                                                 " <x11_name>"));
1491                         break;
1492                         }
1493
1494                 if (!lcolor.setColor(lyx_name, x11_name)) {
1495                         static string const err1 (N_("Set-color \""));
1496                         static string const err2 (
1497                                 N_("\" failed - color is undefined "
1498                                    "or may not be redefined"));
1499                         setErrorMessage(_(err1) + lyx_name + _(err2));
1500                         break;
1501                 }
1502                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1503                 owner->view()->redraw();
1504                 break;
1505         }
1506
1507         case LFUN_MESSAGE:
1508                 owner->message(argument);
1509                 break;
1510
1511         case LFUN_MESSAGE_PUSH:
1512                 owner->messagePush(argument);
1513                 break;
1514
1515         case LFUN_MESSAGE_POP:
1516                 owner->messagePop();
1517                 break;
1518
1519         default:
1520                 // Then if it was none of the above
1521                 if (!owner->view()->Dispatch(action, argument))
1522                         lyxerr << "A truly unknown func ["
1523                                << action << "]!" << endl;
1524                 break;
1525         } // end of switch
1526
1527 exit_with_message:
1528
1529         commandshortcut.erase();
1530
1531         if (lyxrc.display_shortcuts && show_sc) {
1532                 if (action != LFUN_SELFINSERT) {
1533                         // Put name of command and list of shortcuts
1534                         // for it in minibuffer
1535                         string comname = lyxaction.getActionName(action);
1536
1537                         int pseudoaction = action;
1538                         bool argsadded = false;
1539
1540                         if (!argument.empty()) {
1541                                 // If we have the command with argument,
1542                                 // this is better
1543                                 pseudoaction =
1544                                         lyxaction.searchActionArg(action,
1545                                                                   argument);
1546
1547                                 if (pseudoaction == -1) {
1548                                         pseudoaction = action;
1549                                 } else {
1550                                         comname += " " + argument;
1551                                         argsadded = true;
1552                                 }
1553                         }
1554
1555                         string const shortcuts =
1556                                 toplevel_keymap->findbinding(pseudoaction);
1557
1558                         if (!shortcuts.empty()) {
1559                                 comname += ": " + shortcuts;
1560                         } else if (!argsadded) {
1561                                 comname += " " + argument;
1562                         }
1563
1564                         if (!comname.empty()) {
1565                                 comname = strip(comname);
1566                                 commandshortcut = "(" + comname + ')';
1567
1568                                 // Here we could even add a small pause,
1569                                 // to annoy the user and make him learn
1570                                 // the shortcuts.
1571                                 // No! That will just annoy, not teach
1572                                 // anything. The user will read the messages
1573                                 // if they are interested. (Asger)
1574                         }
1575                 }
1576         }
1577
1578         string const res = getMessage();
1579
1580         if (res.empty()) {
1581                 if (!commandshortcut.empty()) {
1582                         owner->getMiniBuffer()->addSet(commandshortcut);
1583                 }
1584         } else {
1585                 string const msg(_(res) + ' ' + commandshortcut);
1586                 owner->message(msg);
1587         }
1588
1589         return res;
1590 }
1591
1592
1593 void LyXFunc::setupLocalKeymap()
1594 {
1595         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1596         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1597 }
1598
1599
1600 void LyXFunc::MenuNew(bool fromTemplate)
1601 {
1602         string initpath = lyxrc.document_path;
1603
1604         if (owner->view()->available()) {
1605                 string const trypath = owner->buffer()->filepath;
1606                 // If directory is writeable, use this as default.
1607                 if (IsDirWriteable(trypath) == 1)
1608                         initpath = trypath;
1609         }
1610
1611         static int newfile_number;
1612         string s;
1613
1614         if (lyxrc.new_ask_filename) {
1615                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1616                                    LFUN_SELECT_FILE_SYNC,
1617                         make_pair(string(_("Documents")),
1618                                   string(lyxrc.document_path)),
1619                         make_pair(string(_("Templates")),
1620                                   string(lyxrc.template_path)));
1621
1622                 FileDialog::Result result =
1623                         fileDlg.Select(initpath,
1624                                        _("*.lyx|LyX Documents (*.lyx)"),
1625                                        _("newfile"));
1626
1627                 if (result.second.empty()) {
1628                         owner->message(_("Canceled."));
1629                         lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
1630                         return;
1631                 }
1632
1633                 // get absolute path of file and make sure the filename ends
1634                 // with .lyx
1635                 s = MakeAbsPath(result.second);
1636                 if (!IsLyXFilename(s))
1637                         s += ".lyx";
1638
1639                 // Check if the document already is open
1640                 if (bufferlist.exists(s)) {
1641                         switch (AskConfirmation(_("Document is already open:"),
1642                                                 MakeDisplayPath(s, 50),
1643                                                 _("Do you want to close that document now?\n"
1644                                                   "('No' will just switch to the open version)")))
1645                         {
1646                         case 1: // Yes: close the document
1647                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1648                                 // If close is canceled, we cancel here too.
1649                                         return;
1650                                 break;
1651                         case 2: // No: switch to the open document
1652                                 owner->view()->buffer(bufferlist.getBuffer(s));
1653                                 return;
1654                         case 3: // Cancel: Do nothing
1655                                 owner->message(_("Canceled."));
1656                                 return;
1657                         }
1658                 }
1659                 // Check whether the file already exists
1660                 FileInfo fi(s);
1661                 if (fi.readable() &&
1662                     AskQuestion(_("File already exists:"),
1663                                 MakeDisplayPath(s, 50),
1664                                 _("Do you want to open the document?"))) {
1665                                 // loads document
1666                         string const disp_fn(MakeDisplayPath(s));
1667
1668                         ostringstream str;
1669                         str << _("Opening  document") << ' '
1670                             << disp_fn << "...";
1671
1672                         owner->message(str.str().c_str());
1673                         //XFlush(fl_get_display());
1674                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1675                         ostringstream str2;
1676                         str2 << _("Document") << ' '
1677                              << disp_fn << ' ' << _("opened.");
1678
1679                         owner->message(str2.str().c_str());
1680
1681                         return;
1682                 }
1683         } else {
1684                 s = AddName(lyxrc.document_path,
1685                             "newfile" + tostr(++newfile_number) + ".lyx");
1686                 FileInfo fi(s);
1687                 while (bufferlist.exists(s) || fi.readable()) {
1688                         ++newfile_number;
1689                         s = AddName(lyxrc.document_path,
1690                                     "newfile" + tostr(newfile_number) +
1691                                     ".lyx");
1692                         fi.newFile(s);
1693                 }
1694         }
1695
1696         // The template stuff
1697         string templname;
1698         if (fromTemplate) {
1699                 FileDialog fileDlg(owner, _("Select template file"),
1700                         LFUN_SELECT_FILE_SYNC,
1701                         make_pair(string(_("Documents")),
1702                                   string(lyxrc.document_path)),
1703                         make_pair(string(_("Templates")),
1704                                   string(lyxrc.template_path)));
1705
1706                 FileDialog::Result result =
1707                         fileDlg.Select(lyxrc.template_path,
1708                                        _("*.lyx|LyX Documents (*.lyx)"));
1709
1710                 if (result.first == FileDialog::Later)
1711                         return;
1712
1713                 string const fname = result.second;
1714
1715                 if (fname.empty())
1716                         return;
1717                 templname = fname;
1718         }
1719
1720         // find a free buffer
1721         lyxerr[Debug::INFO] << "Find a free buffer." << endl;
1722         owner->view()->buffer(bufferlist.newFile(s, templname));
1723 }
1724
1725
1726 void LyXFunc::Open(string const & fname)
1727 {
1728         string initpath = lyxrc.document_path;
1729
1730         if (owner->view()->available()) {
1731                 string const trypath = owner->buffer()->filepath;
1732                 // If directory is writeable, use this as default.
1733                 if (IsDirWriteable(trypath) == 1)
1734                         initpath = trypath;
1735         }
1736
1737         string filename;
1738
1739         if (fname.empty()) {
1740                 FileDialog fileDlg(owner, _("Select document to open"),
1741                         LFUN_FILE_OPEN,
1742                         make_pair(string(_("Documents")),
1743                                   string(lyxrc.document_path)),
1744                         make_pair(string(_("Examples")),
1745                                   string(AddPath(system_lyxdir, "examples"))));
1746
1747                 FileDialog::Result result =
1748                         fileDlg.Select(initpath,
1749                                        "*.lyx|LyX Documents (*.lyx)");
1750
1751                 if (result.first == FileDialog::Later)
1752                         return;
1753
1754                 filename = result.second;
1755
1756                 // check selected filename
1757                 if (filename.empty()) {
1758                         owner->message(_("Canceled."));
1759                         return;
1760                 }
1761         } else
1762                 filename = fname;
1763
1764         // get absolute path of file and add ".lyx" to the filename if
1765         // necessary
1766         filename = FileSearch(string(), filename, "lyx");
1767
1768         // loads document
1769         string const disp_fn(MakeDisplayPath(filename));
1770
1771         ostringstream str;
1772         str << _("Opening document") << ' ' << disp_fn << "...";
1773
1774         owner->message(str.str().c_str());
1775
1776         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1777         if (openbuf) {
1778                 owner->view()->buffer(openbuf);
1779                 ostringstream str;
1780                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1781                 owner->message(str.str().c_str());
1782         } else {
1783                 ostringstream str;
1784                 str << _("Could not open docuent") << ' ' << disp_fn;
1785                 owner->message(str.str().c_str());
1786         }
1787 }
1788
1789
1790 // checks for running without gui are missing.
1791 void LyXFunc::doImport(string const & argument)
1792 {
1793         string format;
1794         string filename = split(argument, format, ' ');
1795         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1796                             << " file: " << filename << endl;
1797
1798         if (filename.empty()) { // need user interaction
1799                 string initpath = lyxrc.document_path;
1800
1801                 if (owner->view()->available()) {
1802                         string const trypath = owner->buffer()->filepath;
1803                         // If directory is writeable, use this as default.
1804                         if (IsDirWriteable(trypath) == 1)
1805                                 initpath = trypath;
1806                 }
1807
1808                 string const text = _("Select ") + formats.PrettyName(format)
1809                         + _(" file to import");
1810
1811                 FileDialog fileDlg(owner, text,
1812                         LFUN_IMPORT,
1813                         make_pair(string(_("Documents")),
1814                                   string(lyxrc.document_path)),
1815                         make_pair(string(_("Examples")),
1816                                   string(AddPath(system_lyxdir, "examples"))));
1817
1818                 string const extension = "*." + formats.Extension(format)
1819                         + "| " + formats.PrettyName(format)
1820                         + " (*." + formats.Extension(format) + ")";
1821
1822                 FileDialog::Result result = fileDlg.Select(initpath,
1823                                                            extension);
1824
1825                 if (result.first == FileDialog::Later)
1826                         return;
1827
1828                 filename = result.second;
1829
1830                 // check selected filename
1831                 if (filename.empty())
1832                         owner->message(_("Canceled."));
1833         }
1834
1835         // still no filename? abort
1836         if (filename.empty())
1837                 return;
1838
1839         // get absolute path of file
1840         filename = MakeAbsPath(filename);
1841
1842         string const lyxfile = ChangeExtension(filename, ".lyx");
1843
1844         // Check if the document already is open
1845         if (bufferlist.exists(lyxfile)) {
1846                 switch (AskConfirmation(_("Document is already open:"),
1847                                         MakeDisplayPath(lyxfile, 50),
1848                                         _("Do you want to close that document now?\n"
1849                                           "('No' will just switch to the open version)")))
1850                         {
1851                         case 1: // Yes: close the document
1852                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1853                                 // If close is canceled, we cancel here too.
1854                                         return;
1855                                 break;
1856                         case 2: // No: switch to the open document
1857                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1858                                 return;
1859                         case 3: // Cancel: Do nothing
1860                                 owner->message(_("Canceled."));
1861                                 return;
1862                         }
1863         }
1864
1865         // Check if a LyX document by the same root exists in filesystem
1866         FileInfo const f(lyxfile, true);
1867         if (f.exist() && !AskQuestion(_("A document by the name"),
1868                                       MakeDisplayPath(lyxfile),
1869                                       _("already exists. Overwrite?"))) {
1870                 owner->message(_("Canceled"));
1871                 return;
1872         }
1873         // filename should be valid now
1874
1875         Importer::Import(owner, filename, format);
1876 }
1877
1878
1879 void LyXFunc::reloadBuffer()
1880 {
1881         string const fn = owner->buffer()->fileName();
1882         if (bufferlist.close(owner->buffer()))
1883                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1884 }
1885
1886
1887 void LyXFunc::CloseBuffer()
1888 {
1889         if (bufferlist.close(owner->buffer()) && !quitting) {
1890                 if (bufferlist.empty()) {
1891                         // need this otherwise SEGV may occur while trying to
1892                         // set variables that don't exist
1893                         // since there's no current buffer
1894                         owner->getDialogs()->hideBufferDependent();
1895                 } else {
1896                         owner->view()->buffer(bufferlist.first());
1897                 }
1898         }
1899 }
1900
1901
1902 // Each "owner" should have it's own message method. lyxview and
1903 // the minibuffer would use the minibuffer, but lyxserver would
1904 // send an ERROR signal to its client.  Alejandro 970603
1905 // This func is bit problematic when it comes to NLS, to make the
1906 // lyx servers client be language indepenent we must not translate
1907 // strings sent to this func.
1908 void LyXFunc::setErrorMessage(string const & m) const
1909 {
1910         dispatch_buffer = m;
1911         errorstat = true;
1912 }
1913
1914
1915 void LyXFunc::setMessage(string const & m)
1916 {
1917         dispatch_buffer = m;
1918 }
1919
1920
1921 void LyXFunc::initMiniBuffer()
1922 {
1923         string text = _("Welcome to LyX!");
1924
1925         // When meta-fake key is pressed, show the key sequence so far + "M-".
1926         if (wasMetaKey()) {
1927                 keyseqStr();
1928                 text += "M-";
1929         }
1930
1931         // Else, when a non-complete key sequence is pressed,
1932         // show the available options.
1933         else if (keyseqUncomplete())
1934                 text = keyseqOptions();
1935
1936         // Else, show the buffer state.
1937         else if (owner->view()->available()) {
1938                 Buffer * tmpbuf = owner->buffer();
1939
1940                 string const nicename =
1941                         MakeDisplayPath(tmpbuf->fileName());
1942                 // Should we do this instead? (kindo like emacs)
1943                 // leaves more room for other information
1944                 text = "LyX: ";
1945                 text += nicename;
1946                 if (tmpbuf->lyxvc.inUse()) {
1947                         text += " [";
1948                         text += tmpbuf->lyxvc.version();
1949                         text += ' ';
1950                         text += tmpbuf->lyxvc.locker();
1951                         if (tmpbuf->isReadonly())
1952                                 text += " (RO)";
1953                         text += ']';
1954                 } else if (tmpbuf->isReadonly())
1955                         text += " [RO]";
1956                 if (!tmpbuf->isLyxClean())
1957                         text += _(" (Changed)");
1958         } else {
1959                 if (text != _("Welcome to LyX!")) // this is a hack
1960                         text = _("* No document open *");
1961         }
1962
1963         owner->message(text);
1964 }
1965