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