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 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "lyxfunc.h"
  18 #include "version.h"
  19 #include "kbmap.h"
  20 #include "lyxrow.h"
  21 #include "bufferlist.h"
  22 #include "BufferView.h"
  23 #include "ColorHandler.h"
  24 #include "lyxserver.h"
  25 #include "intl.h"
  26 #include "lyx_main.h"
  27 #include "lyx_cb.h"
  28 #include "LyXAction.h"
  29 #include "debug.h"
  30 #include "lyxrc.h"
  31 #include "lyxtext.h"
  32 #include "gettext.h"
  33 #include "Lsstream.h"
  34 #include "trans_mgr.h"
  35 #include "layout.h"
  36 #include "WorkArea.h"
  37 #include "bufferview_funcs.h"
  38 #include "minibuffer.h"
  39 #include "vspace.h"
  40 #include "LyXView.h"
  41 #include "lyx_gui_misc.h"
  42 #include "FloatList.h"
  43 #include "converter.h"
  44 #include "exporter.h"
  45 #include "importer.h"
  46 #include "FontLoader.h"
  47 #include "TextCache.h"
  48 #include "lyxfind.h"
  49 #include "undo_funcs.h"
  50 #include "ParagraphParameters.h"
  51 #include "figureForm.h"
  52
  53 #include "insets/inseturl.h"
  54 #include "insets/insetlatexaccent.h"
  55 #include "insets/insettoc.h"
  56 #include "insets/insetref.h"
  57 #include "insets/insetparent.h"
  58 #include "insets/insetindex.h"
  59 #include "insets/insetinclude.h"
  60 #include "insets/insetbib.h"
  61 #include "insets/insetcite.h"
  62 #include "insets/insettext.h"
  63 #include "insets/insetert.h"
  64 #include "insets/insetexternal.h"
  65 #include "insets/insetgraphics.h"
  66 #include "insets/insetfoot.h"
  67 #include "insets/insetmarginal.h"
  68 #include "insets/insetminipage.h"
  69 #include "insets/insetfloat.h"
  70 #if 0
  71 #include "insets/insetlist.h"
  72 #include "insets/insettheorem.h"
  73 #endif
  74 #include "insets/insettabular.h"
  75 #include "insets/insetcaption.h"
  76
  77 #include "mathed/formulamacro.h"
  78 #include "mathed/math_cursor.h"
  79 #include "mathed/math_inset.h"
  80
  81 #include "frontends/FileDialog.h"
  82 #include "frontends/Dialogs.h"
  83 #include "frontends/Toolbar.h"
  84 #include "frontends/Menubar.h"
  85 #include "frontends/Alert.h"
  86
  87 #include "graphics/GraphicsCache.h"
  88
  89 #include "support/lyxalgo.h"
  90 #include "support/LAssert.h"
  91 #include "support/filetools.h"
  92 #include "support/FileInfo.h"
  93 #include "support/forkedcontr.h"
  94 #include "support/lstrings.h"
  95 #include "support/path.h"
  96 #include "support/lyxfunctional.h"
  97
  98 #include <ctime>
  99 #include <clocale>
 100 #include <cstdlib>
 101 #include <cctype>
 102
 103 #include <utility>
 104 #include <algorithm>
 105
 106
 107 using std::pair;
 108 using std::make_pair;
 109 using std::endl;
 110 using std::find_if;
 111 using std::vector;
 112 using std::transform;
 113 using std::back_inserter;
 114
 115 extern BufferList bufferlist;
 116 extern LyXServer * lyxserver;
 117 extern bool selection_possible;
 118 extern void MenuSendto();
 119
 120 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 121
 122 extern void show_symbols_form(LyXFunc *);
 123
 124 extern LyXAction lyxaction;
 125 // (alkis)
 126 extern tex_accent_struct get_accent(kb_action action);
 127
 128 extern void ShowLatexLog();
 129
 130
 131 #if 0
 132
 133 ///
 134 class MiniBufferController : public SigC::Object {
 135 public:
 136         ///
 137         MiniBufferController() {
 138                 minibuffer
 139                         .cmdReady
 140                         .connect(slot(this,
 141                                       &MiniBufferController::receiveCommand));
 142                 minibuffer
 143                         .argReady
 144                         .connect(slot(this,
 145                                       &MiniBufferController::receiveArg));
 146         }
 147         ///
 148         void receiveCmd(string const & cmd) {}
 149         ///
 150         void receiveArg(string const & arg) {}
 151
 152
 153 private:
 154 };
 155
 156 namespace {
 157
 158 MiniBufferController mb_ctrl;
 159
 160 }
 161 #endif
 162
 163
 164 /* === globals =========================================================== */
 165
 166
 167 LyXFunc::LyXFunc(LyXView * o)
 168         : owner(o),
 169         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 170         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get())
 171 {
 172         meta_fake_bit = 0;
 173         lyx_dead_action = LFUN_NOACTION;
 174         lyx_calling_dead_action = LFUN_NOACTION;
 175 }
 176
 177
 178 inline
 179 LyXText * LyXFunc::TEXT(bool flag = true) const
 180 {
 181         if (flag)
 182                 return owner->view()->text;
 183         return owner->view()->getLyXText();
 184 }
 185
 186
 187 // I changed this func slightly. I commented out the ...FinishUndo(),
 188 // this means that all places that used to have a moveCursorUpdate, now
 189 // have a ...FinishUndo() as the preceeding statement. I have also added
 190 // a moveCursorUpdate to some of the functions that updated the cursor, but
 191 // that did not show its new position.
 192 inline
 193 void LyXFunc::moveCursorUpdate(bool flag, bool selecting)
 194 {
 195         if (selecting || TEXT(flag)->selection.mark()) {
 196                 TEXT(flag)->setSelection(owner->view());
 197                 if (TEXT(flag)->bv_owner)
 198                     owner->view()->toggleToggle();
 199         }
 200         owner->view()->update(TEXT(flag), BufferView::SELECT|BufferView::FITCUR);
 201         owner->view()->showCursor();
 202
 203         /* ---> Everytime the cursor is moved, show the current font state. */
 204         // should this too me moved out of this func?
 205         owner->view()->setState();
 206 }
 207
 208
 209 void LyXFunc::handleKeyFunc(kb_action action)
 210 {
 211         char c = keyseq.getiso();
 212
 213         if (keyseq.length() > 1) {
 214                 c = 0;
 215         }
 216
 217         owner->getIntl()->getTrans()
 218                 .deadkey(c, get_accent(action).accent, TEXT(false));
 219         // Need to clear, in case the minibuffer calls these
 220         // actions
 221         keyseq.clear();
 222         // copied verbatim from do_accent_char
 223         owner->view()->update(TEXT(false),
 224                BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 225         TEXT(false)->selection.cursor = TEXT(false)->cursor;
 226 }
 227
 228
 229 void LyXFunc::processKeySym(KeySym keysym, unsigned int state)
 230 {
 231         string argument;
 232
 233         if (lyxerr.debugging(Debug::KEY)) {
 234                 char const * tmp = XKeysymToString(keysym);
 235                 string const stm = (tmp ? tmp : "");
 236                 lyxerr << "KeySym is "
 237                        << stm
 238                        << "["
 239                        << keysym << "] State is ["
 240                        << state << "]"
 241                        << endl;
 242         }
 243         // Do nothing if we have nothing (JMarc)
 244         if (keysym == NoSymbol) {
 245                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 246                                    << endl;
 247                 return;
 248         }
 249
 250         // Can we be sure that this will work for all X Window
 251         // implementations? (Lgb)
 252         // This code snippet makes lyx ignore some keys. Perhaps
 253         // all of them should be explictly mentioned?
 254         if ((keysym >= XK_Shift_L && keysym <= XK_Hyper_R)
 255             || keysym == XK_Mode_switch || keysym == 0x0) {
 256                 return;
 257         }
 258
 259         // Do a one-deep top-level lookup for
 260         // cancel and meta-fake keys. RVDK_PATCH_5
 261         cancel_meta_seq.reset();
 262
 263         int action = cancel_meta_seq.addkey(keysym, state
 264                                             &(ShiftMask|ControlMask
 265                                               |Mod1Mask));
 266         if (lyxerr.debugging(Debug::KEY)) {
 267                 lyxerr << "action first set to [" << action << "]" << endl;
 268         }
 269
 270         // When not cancel or meta-fake, do the normal lookup.
 271         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 272         // Mostly, meta_fake_bit = 0. RVDK_PATCH_5.
 273         if ((action != LFUN_CANCEL) && (action != LFUN_META_FAKE)) {
 274                 if (lyxerr.debugging(Debug::KEY)) {
 275                         lyxerr << "meta_fake_bit is ["
 276                                << meta_fake_bit << "]" << endl;
 277                 }
 278                 // remove Caps Lock and Mod2 as a modifiers
 279                 action = keyseq.addkey(keysym,
 280                                        (state | meta_fake_bit)
 281                                        &(ShiftMask|ControlMask
 282                                          |Mod1Mask));
 283                 if (lyxerr.debugging(Debug::KEY)) {
 284                         lyxerr << "action now set to ["
 285                                << action << "]" << endl;
 286                 }
 287         }
 288         // Dont remove this unless you know what you are doing.
 289         meta_fake_bit = 0;
 290
 291         // can this happen now ?
 292         if (action == LFUN_NOACTION) {
 293                 action = LFUN_PREFIX;
 294         }
 295
 296         if (lyxerr.debugging(Debug::KEY)) {
 297                 lyxerr << "Key [action="
 298                        << action << "]["
 299                        << keyseq.print() << "]"
 300                        << endl;
 301         }
 302
 303         // already here we know if it any point in going further
 304         // why not return already here if action == -1 and
 305         // num_bytes == 0? (Lgb)
 306
 307         if (keyseq.length() > 1 && !keyseq.deleted()) {
 308                 owner->message(keyseq.print());
 309         }
 310
 311         if (action == LFUN_UNKNOWN_ACTION) {
 312                 // It is unknown, but what if we remove all
 313                 // the modifiers? (Lgb)
 314                 action = keyseq.addkey(keysym, 0);
 315
 316                 if (lyxerr.debugging(Debug::KEY)) {
 317                         lyxerr << "Removing modifiers...\n"
 318                                << "Action now set to ["
 319                                << action << "]" << endl;
 320                 }
 321                 if (action == LFUN_UNKNOWN_ACTION) {
 322                         owner->message(_("Unknown function."));
 323                         return;
 324                 }
 325         }
 326
 327         if (action == LFUN_SELFINSERT) {
 328                 // This is very X dependent.
 329                 unsigned int c = keysym;
 330                 string argument;
 331
 332                 c = kb_keymap::getiso(c);
 333
 334                 if (c > 0)
 335                         argument = static_cast<char>(c);
 336
 337                 dispatch(LFUN_SELFINSERT, argument);
 338                 lyxerr[Debug::KEY] << "SelfInsert arg[`"
 339                                    << argument << "']" << endl;
 340         }
 341         else
 342                 verboseDispatch(action, false);
 343 }
 344
 345
 346 FuncStatus LyXFunc::getStatus(int ac) const
 347 {
 348         kb_action action;
 349         string argument;
 350         action = lyxaction.retrieveActionArg(ac, argument);
 351         return getStatus(action, argument);
 352 }
 353
 354
 355 FuncStatus LyXFunc::getStatus(kb_action action,
 356                               string const & argument) const
 357 {
 358         FuncStatus flag;
 359         Buffer * buf = owner->buffer();
 360
 361         if (action == LFUN_UNKNOWN_ACTION) {
 362                 setStatusMessage(N_("Unknown action"));
 363                 return flag.unknown(true);
 364         }
 365
 366         // the default error message if we disable the command
 367         setStatusMessage(N_("Command disabled"));
 368
 369         // Check whether we need a buffer
 370         if (!lyxaction.funcHasFlag(action, LyXAction::NoBuffer)) {
 371                 // Yes we need a buffer, do we have one?
 372                 if (buf) {
 373                         // yes
 374                         // Can we use a readonly buffer?
 375                         if (buf->isReadonly() &&
 376                             !lyxaction.funcHasFlag(action,
 377                                                    LyXAction::ReadOnly)) {
 378                                 // no
 379                                 setStatusMessage(N_("Document is read-only"));
 380                                 flag.disabled(true);
 381                         }
 382                 } else {
 383                         // no
 384                         setStatusMessage(N_("Command not allowed with"
 385                                            "out any document open"));
 386                         return flag.disabled(true);
 387                 }
 388         }
 389
 390         UpdatableInset * tli = owner->view()->theLockingInset();
 391
 392         // I would really like to avoid having this switch and rather try to
 393         // encode this in the function itself.
 394         bool disable = false;
 395         switch (action) {
 396         case LFUN_MENUPRINT:
 397                 disable = !Exporter::IsExportable(buf, "dvi")
 398                         || lyxrc.print_command == "none";
 399                 break;
 400         case LFUN_EXPORT:
 401                 disable = argument == "fax" &&
 402                         !Exporter::IsExportable(buf, argument);
 403                 break;
 404         case LFUN_UNDO:
 405                 disable = buf->undostack.empty();
 406                 break;
 407         case LFUN_REDO:
 408                 disable = buf->redostack.empty();
 409                 break;
 410         case LFUN_SPELLCHECK:
 411                 disable = lyxrc.isp_command == "none";
 412                 break;
 413 #ifndef HAVE_LIBAIKSAURUS
 414         case LFUN_THESAURUS_ENTRY:
 415                 disable = true;
 416                 break;
 417 #endif
 418         case LFUN_RUNCHKTEX:
 419                 disable = lyxrc.chktex_command == "none";
 420                 break;
 421         case LFUN_BUILDPROG:
 422                 disable = !Exporter::IsExportable(buf, "program");
 423                 break;
 424
 425         case LFUN_LAYOUT_TABULAR:
 426                 disable = !tli
 427                         || (tli->lyxCode() != Inset::TABULAR_CODE
 428                             && !tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
 429                 break;
 430
 431         case LFUN_LAYOUT:
 432         case LFUN_LAYOUT_PARAGRAPH: {
 433                 Inset * inset = TEXT(false)->cursor.par()->inInset();
 434                 disable = inset && inset->forceDefaultParagraphs(inset);
 435                 break;
 436         }
 437
 438         case LFUN_TABULAR_FEATURE:
 439                 disable = true;
 440                 if (tli) {
 441                         FuncStatus ret;
 442                         //ret.disabled(true);
 443                         if (tli->lyxCode() == Inset::TABULAR_CODE) {
 444                                 ret = static_cast<InsetTabular *>(tli)
 445                                         ->getStatus(argument);
 446                         } else if (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE)) {
 447                                 ret = static_cast<InsetTabular *>
 448                                         (tli->getFirstLockingInsetOfType(Inset::TABULAR_CODE))
 449                                         ->getStatus(argument);
 450                         }
 451                         flag |= ret;
 452                         disable = false;
 453                 } else {
 454                         static InsetTabular inset(*owner->buffer(), 1, 1);
 455                         FuncStatus ret;
 456
 457                         disable = true;
 458                         ret = inset.getStatus(argument);
 459                         if (ret.onoff(true) || ret.onoff(false))
 460                                 flag.setOnOff(false);
 461                 }
 462                 break;
 463
 464         case LFUN_VC_REGISTER:
 465                 disable = buf->lyxvc.inUse();
 466                 break;
 467         case LFUN_VC_CHECKIN:
 468                 disable = !buf->lyxvc.inUse() || buf->isReadonly();
 469                 break;
 470         case LFUN_VC_CHECKOUT:
 471                 disable = !buf->lyxvc.inUse() || !buf->isReadonly();
 472                 break;
 473         case LFUN_VC_REVERT:
 474         case LFUN_VC_UNDO:
 475         case LFUN_VC_HISTORY:
 476                 disable = !buf->lyxvc.inUse();
 477                 break;
 478         case LFUN_BOOKMARK_GOTO:
 479                 disable =  !owner->view()->
 480                         isSavedPosition(strToUnsignedInt(argument));
 481                 break;
 482
 483
 484         case LFUN_INSET_TOGGLE: {
 485                 LyXText * lt = owner->view()->getLyXText();
 486                 disable = !(isEditableInset(lt->getInset())
 487                             || (lt->inset_owner
 488                                 && lt->inset_owner->owner()
 489                                 && lt->inset_owner->owner()->isOpen()));
 490                 break;
 491         }
 492         case LFUN_MATH_VALIGN:
 493                 if (mathcursor) {
 494                         char align = mathcursor->valign();
 495                         if (align == '\0') {
 496                                 disable = true;
 497                                 break;
 498                         }
 499                         if (argument.empty()) {
 500                                 flag.clear();
 501                                 break;
 502                         }
 503                         if (!contains("tcb", argument[0])) {
 504                                 disable = true;
 505                                 break;
 506                         }
 507                         flag.setOnOff(argument[0] == align);
 508                 } else
 509                         disable = true;
 510                 break;
 511
 512         case LFUN_MATH_HALIGN:
 513                 if (mathcursor) {
 514                         char align = mathcursor->halign();
 515                         if (align == '\0') {
 516                                 disable = true;
 517                                 break;
 518                         }
 519                         if (argument.empty()) {
 520                                 flag.clear();
 521                                 break;
 522                         }
 523                         if (!contains("lcr", argument[0])) {
 524                                 disable = true;
 525                                 break;
 526                         }
 527                         flag.setOnOff(argument[0] == align);
 528                 } else
 529                         disable = true;
 530                 break;
 531
 532         case LFUN_MATH_MUTATE:
 533                 if (tli && (tli->lyxCode() == Inset::MATH_CODE)) {
 534                         MathInsetTypes type = mathcursor->formula()->getType();
 535                         if (argument == "inline") {
 536                                 flag.setOnOff(type == LM_OT_SIMPLE);
 537                         } else if (argument == "display") {
 538                                 flag.setOnOff(type == LM_OT_EQUATION);
 539                         } else if (argument == "eqnarray") {
 540                                 flag.setOnOff(type == LM_OT_EQNARRAY);
 541                         } else if (argument == "align") {
 542                                 flag.setOnOff(type == LM_OT_ALIGN);
 543                         } else {
 544                                 disable = true;
 545                         }
 546                 } else
 547                         disable = true;
 548                 break;
 549
 550         // we just need to be in math mode to enable that
 551         case LFUN_MATH_SIZE:
 552         case LFUN_MATH_SPACE:
 553         case LFUN_MATH_LIMITS:
 554         case LFUN_MATH_NONUMBER:
 555         case LFUN_MATH_NUMBER:
 556                 disable = !mathcursor;
 557                 break;
 558
 559         // we need to be math mode and a math array for that
 560         // Hack: halign produces non-zero result iff we are in a math array
 561         case LFUN_MATH_ROW_INSERT:
 562         case LFUN_MATH_ROW_DELETE:
 563         case LFUN_MATH_COLUMN_INSERT:
 564         case LFUN_MATH_COLUMN_DELETE:
 565                 disable = !mathcursor || !mathcursor->halign();
 566                 break;
 567
 568         default:
 569                 break;
 570         }
 571
 572         // the functions which insert insets
 573         Inset::Code code = Inset::NO_CODE;
 574         switch (action) {
 575         case LFUN_INSET_TEXT:
 576                 code = Inset::TEXT_CODE;
 577                 break;
 578         case LFUN_INSET_ERT:
 579                 code = Inset::ERT_CODE;
 580                 break;
 581         case LFUN_FIGURE:
 582         case LFUN_INSET_GRAPHICS:
 583                 code = Inset::GRAPHICS_CODE;
 584                 break;
 585         case LFUN_INSET_FOOTNOTE:
 586                 code = Inset::FOOT_CODE;
 587                 break;
 588         case LFUN_DIALOG_TABULAR_INSERT:
 589         case LFUN_INSET_TABULAR:
 590                 code = Inset::TABULAR_CODE;
 591                 break;
 592         case LFUN_INSET_EXTERNAL:
 593                 code = Inset::EXTERNAL_CODE;
 594                 break;
 595         case LFUN_INSET_MARGINAL:
 596                 code = Inset::MARGIN_CODE;
 597                 break;
 598         case LFUN_INSET_MINIPAGE:
 599                 code = Inset::MINIPAGE_CODE;
 600                 break;
 601         case LFUN_INSET_FLOAT:
 602         case LFUN_INSET_WIDE_FLOAT:
 603                 code = Inset::FLOAT_CODE;
 604                 break;
 605         case LFUN_FLOAT_LIST:
 606                 code = Inset::FLOAT_LIST_CODE;
 607                 break;
 608 #if 0
 609         case LFUN_INSET_LIST:
 610                 code = Inset::LIST_CODE;
 611                 break;
 612         case LFUN_INSET_THEOREM:
 613                 code = Inset::THEOREM_CODE;
 614                 break;
 615 #endif
 616         case LFUN_INSET_CAPTION:
 617                 code = Inset::CAPTION_CODE;
 618                 break;
 619         case LFUN_INSERT_NOTE:
 620                 code = Inset::IGNORE_CODE;
 621                 break;
 622         case LFUN_INSERT_LABEL:
 623                 code = Inset::LABEL_CODE;
 624                 break;
 625         case LFUN_REF_INSERT:
 626                 code = Inset::REF_CODE;
 627                 break;
 628         case LFUN_CITATION_CREATE:
 629         case LFUN_CITATION_INSERT:
 630                 code = Inset::CITE_CODE;
 631                 break;
 632         case LFUN_INSERT_BIBTEX:
 633                 code = Inset::BIBTEX_CODE;
 634                 break;
 635         case LFUN_INDEX_INSERT:
 636         case LFUN_INDEX_INSERT_LAST:
 637         case LFUN_INDEX_CREATE:
 638                 code = Inset::INDEX_CODE;
 639                 break;
 640         case LFUN_INDEX_PRINT:
 641                 code = Inset::INDEX_PRINT_CODE;
 642                 break;
 643         case LFUN_CHILD_INSERT:
 644                 code = Inset::INCLUDE_CODE;
 645                 break;
 646         case LFUN_TOC_INSERT:
 647                 code = Inset::TOC_CODE;
 648                 break;
 649         case LFUN_PARENTINSERT:
 650                 code = Inset::PARENT_CODE;
 651                 break;
 652         case LFUN_HTMLURL:
 653         case LFUN_URL:
 654         case LFUN_INSERT_URL:
 655                 code = Inset::URL_CODE;
 656                 break;
 657         case LFUN_QUOTE:
 658                 // always allow this, since we will inset a raw quote
 659                 // if an inset is not allowed.
 660                 break;
 661         case LFUN_HYPHENATION:
 662         case LFUN_LIGATURE_BREAK:
 663         case LFUN_HFILL:
 664         case LFUN_MENU_SEPARATOR:
 665         case LFUN_LDOTS:
 666         case LFUN_END_OF_SENTENCE:
 667         case LFUN_PROTECTEDSPACE:
 668                 code = Inset::SPECIALCHAR_CODE;
 669                 break;
 670         default:
 671                 break;
 672         }
 673         if (code != Inset::NO_CODE && tli && !tli->insetAllowed(code)) {
 674                 disable = true;
 675         }
 676
 677         if (disable)
 678                         flag.disabled(true);
 679
 680         // A few general toggles
 681         switch (action) {
 682         case LFUN_READ_ONLY_TOGGLE:
 683                 flag.setOnOff(buf->isReadonly());
 684                 break;
 685         case LFUN_APPENDIX:
 686                 flag.setOnOff(TEXT(false)->cursor.par()->params().startOfAppendix());
 687                 break;
 688         case LFUN_SWITCHBUFFER:
 689                 // toggle on the current buffer, but do not toggle off
 690                 // the other ones (is that a good idea?)
 691                 if (argument == buf->fileName())
 692                         flag.setOnOff(true);
 693                 break;
 694         default:
 695                 break;
 696         }
 697
 698         // the font related toggles
 699         if (!mathcursor) {
 700                 LyXFont const & font = TEXT(false)->real_current_font;
 701                 switch (action) {
 702                 case LFUN_EMPH:
 703                         flag.setOnOff(font.emph() == LyXFont::ON);
 704                         break;
 705                 case LFUN_NOUN:
 706                         flag.setOnOff(font.noun() == LyXFont::ON);
 707                         break;
 708                 case LFUN_BOLD:
 709                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 710                         break;
 711                 case LFUN_SANS:
 712                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 713                         break;
 714                 case LFUN_ROMAN:
 715                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 716                         break;
 717                 case LFUN_CODE:
 718                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 719                         break;
 720                 default:
 721                         break;
 722                 }
 723         }
 724         else {
 725                 MathTextCodes tc = mathcursor->getLastCode();
 726                 switch (action) {
 727                 case LFUN_BOLD:
 728                         flag.setOnOff(tc == LM_TC_BF);
 729                         break;
 730                 case LFUN_SANS:
 731                         flag.setOnOff(tc == LM_TC_SF);
 732                         break;
 733                 case LFUN_EMPH:
 734                         flag.setOnOff(tc == LM_TC_CAL);
 735                         break;
 736                 case LFUN_ROMAN:
 737                         flag.setOnOff(tc == LM_TC_RM);
 738                         break;
 739                 case LFUN_CODE:
 740                         flag.setOnOff(tc == LM_TC_TT);
 741                         break;
 742                 case LFUN_NOUN:
 743                         flag.setOnOff(tc == LM_TC_BB);
 744                         break;
 745                 case LFUN_DEFAULT:
 746                         flag.setOnOff(tc == LM_TC_VAR);
 747                         break;
 748                 default:
 749                         break;
 750                 }
 751         }
 752
 753         return flag;
 754 }
 755
 756
 757 // temporary dispatch method
 758 void LyXFunc::miniDispatch(string const & s)
 759 {
 760         string s2(frontStrip(strip(s)));
 761
 762         if (!s2.empty()) {
 763                 verboseDispatch(s2, true);
 764         }
 765 }
 766
 767
 768 void LyXFunc::verboseDispatch(string const & s, bool show_sc)
 769 {
 770         int action = lyxaction.LookupFunc(frontStrip(s));
 771
 772         if (action == LFUN_UNKNOWN_ACTION) {
 773                 string const msg = string(_("Unknown function ("))
 774                         + s + ")";
 775                 owner->message(msg);
 776         } else {
 777                 verboseDispatch(action, show_sc);
 778         }
 779 }
 780
 781
 782 void LyXFunc::verboseDispatch(int ac, bool show_sc)
 783 {
 784         string argument;
 785         kb_action action;
 786
 787         // get the real action and argument
 788         action = lyxaction.retrieveActionArg(ac, argument);
 789
 790         verboseDispatch(action, argument, show_sc);
 791 }
 792
 793
 794
 795 void LyXFunc::verboseDispatch(kb_action action,
 796                               string const & argument, bool show_sc)
 797 {
 798         string res = dispatch(action, argument);
 799
 800         commandshortcut.erase();
 801
 802         if (lyxrc.display_shortcuts && show_sc) {
 803                 if (action != LFUN_SELFINSERT) {
 804                         // Put name of command and list of shortcuts
 805                         // for it in minibuffer
 806                         string comname = lyxaction.getActionName(action);
 807
 808                         int pseudoaction = action;
 809                         bool argsadded = false;
 810
 811                         if (!argument.empty()) {
 812                                 // the pseudoaction is useful for the bindings
 813                                 pseudoaction =
 814                                         lyxaction.searchActionArg(action,
 815                                                                   argument);
 816
 817                                 if (pseudoaction == LFUN_UNKNOWN_ACTION) {
 818                                         pseudoaction = action;
 819                                 } else {
 820                                         comname += " " + argument;
 821                                         argsadded = true;
 822                                 }
 823                         }
 824
 825                         string const shortcuts =
 826                                 toplevel_keymap->findbinding(pseudoaction);
 827
 828                         if (!shortcuts.empty()) {
 829                                 comname += ": " + shortcuts;
 830                         } else if (!argsadded && !argument.empty()) {
 831                                 comname += " " + argument;
 832                         }
 833
 834                         if (!comname.empty()) {
 835                                 comname = strip(comname);
 836                                 commandshortcut = "(" + comname + ')';
 837                         }
 838                 }
 839         }
 840
 841         if (res.empty()) {
 842                 if (!commandshortcut.empty()) {
 843                         owner->getMiniBuffer()->addSet(commandshortcut);
 844                 }
 845         } else {
 846                 owner->getMiniBuffer()->addSet(' ' + commandshortcut);
 847         }
 848 }
 849
 850
 851 string const LyXFunc::dispatch(kb_action action, string argument)
 852 {
 853         lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: action[" << action
 854                               <<"] arg[" << argument << "]" << endl;
 855
 856         // we have not done anything wrong yet.
 857         errorstat = false;
 858         dispatch_buffer.erase();
 859
 860 #ifdef NEW_DISPATCHER
 861         // We try do call the most specific dispatcher first:
 862         //  1. the lockinginset's dispatch
 863         //  2. the bufferview's dispatch
 864         //  3. the lyxview's dispatch
 865 #endif
 866
 867         selection_possible = false;
 868
 869         if (owner->view()->available())
 870                 owner->view()->hideCursor();
 871
 872         // We cannot use this function here
 873         if (getStatus(action, argument).disabled()) {
 874                 lyxerr[Debug::ACTION] << "LyXFunc::Dispatch: "
 875                        << lyxaction.getActionName(action)
 876                        << " [" << action << "] is disabled at this location"
 877                        << endl;
 878                 setErrorMessage(getStatusMessage());
 879                 goto exit_with_message;
 880         }
 881
 882         if (owner->view()->available() && owner->view()->theLockingInset()) {
 883                 UpdatableInset::RESULT result;
 884                 if ((action > 1) || ((action == LFUN_UNKNOWN_ACTION) &&
 885                                      (!keyseq.deleted())))
 886                 {
 887                         if ((action == LFUN_UNKNOWN_ACTION)
 888                             && argument.empty()) {
 889                                 argument = keyseq.getiso();
 890                         }
 891                         // Undo/Redo is a bit tricky for insets.
 892                         if (action == LFUN_UNDO) {
 893                                 owner->view()->menuUndo();
 894                                 goto exit_with_message;
 895                         } else if (action == LFUN_REDO) {
 896                                 owner->view()->menuRedo();
 897                                 goto exit_with_message;
 898                         } else if (((result=owner->view()->theLockingInset()->
 899                                      // Hand-over to inset's own dispatch:
 900                                      localDispatch(owner->view(), action, argument)) ==
 901                                     UpdatableInset::DISPATCHED) ||
 902                                    (result == UpdatableInset::DISPATCHED_NOUPDATE))
 903                                 goto exit_with_message;
 904                                         // If UNDISPATCHED, just soldier on
 905                         else if (result == UpdatableInset::FINISHED) {
 906                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 907                                                 TEXT()->cursorRight(owner->view());
 908                                                 moveCursorUpdate(true, false);
 909                                                 owner->showState();
 910                                         }
 911                                         goto exit_with_message;
 912                         } else if (result == UpdatableInset::FINISHED_RIGHT) {
 913                                 if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 914                                         TEXT()->cursorRight(owner->view());
 915                                         moveCursorUpdate(true, false);
 916                                         owner->showState();
 917                                 }
 918                                 goto exit_with_message;
 919                         } else if (result == UpdatableInset::FINISHED_UP) {
 920                                 if (TEXT()->cursor.row()->previous()) {
 921                                         TEXT()->cursorUp(owner->view());
 922                                         moveCursorUpdate(true, false);
 923                                         owner->showState();
 924                                 }
 925                                 goto exit_with_message;
 926                         } else if (result == UpdatableInset::FINISHED_DOWN) {
 927                                 if (TEXT()->cursor.row()->next())
 928                                         TEXT()->cursorDown(owner->view());
 929                                 else
 930                                         TEXT()->cursorRight(owner->view());
 931                                 moveCursorUpdate(true, false);
 932                                 owner->showState();
 933                                 goto exit_with_message;
 934                         } else {
 935                                 //setMessage(N_("Text mode"));
 936                                 switch (action) {
 937                                 case LFUN_UNKNOWN_ACTION:
 938                                 case LFUN_BREAKPARAGRAPH:
 939                                 case LFUN_BREAKLINE:
 940                                         TEXT()->cursorRight(owner->view());
 941                                         owner->view()->setState();
 942                                         owner->showState();
 943                                         break;
 944                                 case LFUN_RIGHT:
 945                                         if (!TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 946                                                 TEXT()->cursorRight(owner->view());
 947                                                 moveCursorUpdate(true, false);
 948                                                 owner->showState();
 949                                         }
 950                                         goto exit_with_message;
 951                                 case LFUN_LEFT:
 952                                         if (TEXT()->cursor.par()->isRightToLeftPar(owner->buffer()->params)) {
 953                                                 TEXT()->cursorRight(owner->view());
 954                                                 moveCursorUpdate(true, false);
 955                                                 owner->showState();
 956                                         }
 957                                         goto exit_with_message;
 958                                 case LFUN_DOWN:
 959                                         if (TEXT()->cursor.row()->next())
 960                                                 TEXT()->cursorDown(owner->view());
 961                                         else
 962                                                 TEXT()->cursorRight(owner->view());
 963                                         moveCursorUpdate(true, false);
 964                                         owner->showState();
 965                                         goto exit_with_message;
 966                                 default:
 967                                         break;
 968                                 }
 969                         }
 970                 }
 971         }
 972
 973         switch (action) {
 974
 975         case LFUN_ESCAPE:
 976         {
 977                 if (!owner->view()->available()) break;
 978                 // this function should be used always [asierra060396]
 979                 UpdatableInset * tli =
 980                         owner->view()->theLockingInset();
 981                 if (tli) {
 982                         UpdatableInset * lock = tli->getLockingInset();
 983
 984                         if (tli == lock) {
 985                                 owner->view()->unlockInset(tli);
 986                                 TEXT()->cursorRight(owner->view());
 987                                 moveCursorUpdate(true, false);
 988                                 owner->showState();
 989                         } else {
 990                                 tli->unlockInsetInInset(owner->view(),
 991                                                         lock,
 992                                                         true);
 993                         }
 994                         finishUndo();
 995                 }
 996         }
 997         break;
 998
 999                 // --- Misc -------------------------------------------
1000         case LFUN_WORDFINDFORWARD  :
1001         case LFUN_WORDFINDBACKWARD : {
1002                 static string last_search;
1003                 string searched_string;
1004
1005                 if (!argument.empty()) {
1006                         last_search = argument;
1007                         searched_string = argument;
1008                 } else {
1009                         searched_string = last_search;
1010                 }
1011                 bool fw = (action == LFUN_WORDFINDBACKWARD);
1012                 if (!searched_string.empty()) {
1013                         LyXFind(owner->view(), searched_string, fw);
1014                 }
1015 //              owner->view()->showCursor();
1016         }
1017         break;
1018
1019         case LFUN_PREFIX:
1020         {
1021                 if (owner->view()->available() && !owner->view()->theLockingInset()) {
1022                         owner->view()->update(TEXT(),
1023                                               BufferView::SELECT|BufferView::FITCUR);
1024                 }
1025                 owner->message(keyseq.print());
1026         }
1027         break;
1028
1029         // --- Misc -------------------------------------------
1030         case LFUN_EXEC_COMMAND:
1031         {
1032                 vector<string> allCmds;
1033                 transform(lyxaction.func_begin(), lyxaction.func_end(),
1034                           back_inserter(allCmds), lyx::firster());
1035                 static vector<string> hist;
1036                 owner->getMiniBuffer()->getString(MiniBuffer::spaces,
1037                                                   allCmds, hist);
1038         }
1039         break;
1040
1041         case LFUN_CANCEL:                   // RVDK_PATCH_5
1042                 keyseq.reset();
1043                 meta_fake_bit = 0;
1044                 if (owner->view()->available())
1045                         // cancel any selection
1046                         dispatch(LFUN_MARK_OFF);
1047                 setMessage(N_("Cancel"));
1048                 break;
1049
1050         case LFUN_META_FAKE:                                 // RVDK_PATCH_5
1051         {
1052                 meta_fake_bit = Mod1Mask;
1053                 setMessage(keyseq.print());
1054         }
1055         break;
1056
1057         case LFUN_READ_ONLY_TOGGLE:
1058                 if (owner->buffer()->lyxvc.inUse()) {
1059                         owner->buffer()->lyxvc.toggleReadOnly();
1060                 } else {
1061                         owner->buffer()->setReadonly(
1062                                 !owner->buffer()->isReadonly());
1063                 }
1064                 break;
1065
1066         case LFUN_CENTER: // this is center and redraw.
1067                 owner->view()->center();
1068                 break;
1069
1070                 // --- Menus -----------------------------------------------
1071         case LFUN_MENUNEW:
1072                 menuNew(false);
1073                 break;
1074
1075         case LFUN_MENUNEWTMPLT:
1076                 menuNew(true);
1077                 break;
1078
1079         case LFUN_CLOSEBUFFER:
1080                 closeBuffer();
1081                 break;
1082
1083         case LFUN_MENUWRITE:
1084                 if (!owner->buffer()->isUnnamed()) {
1085                         ostringstream s1;
1086                         s1 << _("Saving document") << ' '
1087                            << MakeDisplayPath(owner->buffer()->fileName() + "...");
1088                         owner->message(s1.str().c_str());
1089                         MenuWrite(owner->view(), owner->buffer());
1090                 } else
1091                         WriteAs(owner->view(), owner->buffer());
1092                 break;
1093
1094         case LFUN_WRITEAS:
1095                 WriteAs(owner->view(), owner->buffer(), argument);
1096                 break;
1097
1098         case LFUN_MENURELOAD:
1099                 reloadBuffer();
1100                 break;
1101
1102         case LFUN_UPDATE:
1103                 Exporter::Export(owner->buffer(), argument, true);
1104                 break;
1105
1106         case LFUN_PREVIEW:
1107                 Exporter::Preview(owner->buffer(), argument);
1108                 break;
1109
1110         case LFUN_BUILDPROG:
1111                 Exporter::Export(owner->buffer(), "program", true);
1112                 break;
1113
1114         case LFUN_RUNCHKTEX:
1115                 MenuRunChktex(owner->buffer());
1116                 break;
1117
1118         case LFUN_MENUPRINT:
1119                 owner->getDialogs()->showPrint();
1120                 break;
1121
1122         case LFUN_EXPORT:
1123                 if (argument == "custom")
1124                         MenuSendto();
1125                 else
1126                         Exporter::Export(owner->buffer(), argument, false);
1127                 break;
1128
1129         case LFUN_IMPORT:
1130                 doImport(argument);
1131                 break;
1132
1133         case LFUN_QUIT:
1134                 QuitLyX();
1135                 break;
1136
1137         case LFUN_TOCVIEW:
1138 #if 0
1139         case LFUN_LOFVIEW:
1140         case LFUN_LOTVIEW:
1141         case LFUN_LOAVIEW:
1142 #endif
1143         {
1144                 InsetCommandParams p;
1145
1146 #if 0
1147                 if (action == LFUN_TOCVIEW)
1148 #endif
1149                         p.setCmdName("tableofcontents");
1150 #if 0
1151                 else if (action == LFUN_LOAVIEW)
1152                         p.setCmdName("listof{algorithm}{List of Algorithms}");
1153                 else if (action == LFUN_LOFVIEW)
1154                         p.setCmdName("listoffigures");
1155                 else
1156                         p.setCmdName("listoftables");
1157 #endif
1158                 owner->getDialogs()->createTOC(p.getAsString());
1159                 break;
1160         }
1161
1162         case LFUN_DIALOG_TABULAR_INSERT:
1163                 owner->getDialogs()->showTabularCreate();
1164                 break;
1165
1166         case LFUN_FIGURE:
1167                 Figure();
1168                 break;
1169
1170         case LFUN_AUTOSAVE:
1171                 AutoSave(owner->view());
1172                 break;
1173
1174         case LFUN_UNDO:
1175                 owner->view()->menuUndo();
1176                 break;
1177
1178         case LFUN_REDO:
1179                 owner->view()->menuRedo();
1180                 break;
1181
1182         case LFUN_MENUSEARCH:
1183                 owner->getDialogs()->showSearch();
1184                 break;
1185
1186         case LFUN_REMOVEERRORS:
1187                 if (owner->view()->removeAutoInsets()) {
1188                         owner->view()->redraw();
1189                         owner->view()->fitCursor();
1190                 }
1191                 break;
1192
1193         case LFUN_DEPTH:
1194                 changeDepth(owner->view(), TEXT(false), 0);
1195                 break;
1196
1197         case LFUN_DEPTH_MIN:
1198                 changeDepth(owner->view(), TEXT(false), -1);
1199                 break;
1200
1201         case LFUN_DEPTH_PLUS:
1202                 changeDepth(owner->view(), TEXT(false), 1);
1203                 break;
1204
1205         case LFUN_FREE:
1206                 owner->getDialogs()->setUserFreeFont();
1207                 break;
1208
1209         case LFUN_RECONFIGURE:
1210                 Reconfigure(owner->view());
1211                 break;
1212
1213 #if 0
1214         case LFUN_FLOATSOPERATE:
1215                 if (argument == "openfoot")
1216                         owner->view()->allFloats(1,0);
1217                 else if (argument == "closefoot")
1218                         owner->view()->allFloats(0,0);
1219                 else if (argument == "openfig")
1220                         owner->view()->allFloats(1,1);
1221                 else if (argument == "closefig")
1222                         owner->view()->allFloats(0,1);
1223                 break;
1224 #else
1225 #ifdef WITH_WARNINGS
1226 //#warning Find another implementation here (or another lyxfunc)!
1227 #endif
1228 #endif
1229         case LFUN_HELP_ABOUTLYX:
1230                 owner->getDialogs()->showAboutlyx();
1231                 break;
1232
1233         case LFUN_HELP_TEXINFO:
1234                 owner->getDialogs()->showTexinfo();
1235                 break;
1236
1237         case LFUN_HELP_OPEN:
1238         {
1239                 string const arg = argument;
1240                 if (arg.empty()) {
1241                         setErrorMessage(N_("Missing argument"));
1242                         break;
1243                 }
1244                 owner->prohibitInput();
1245                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1246                 if (fname.empty()) {
1247                         lyxerr << "LyX: unable to find documentation file `"
1248                                << arg << "'. Bad installation?" << endl;
1249                         owner->allowInput();
1250                         break;
1251                 }
1252                 ostringstream str;
1253                 str << _("Opening help file") << ' '
1254                     << MakeDisplayPath(fname) << "...";
1255                 owner->message(str.str().c_str());
1256                 owner->view()->buffer(bufferlist.loadLyXFile(fname, false));
1257                 owner->allowInput();
1258                 break;
1259         }
1260
1261                 // --- version control -------------------------------
1262         case LFUN_VC_REGISTER:
1263         {
1264                 if (!owner->buffer()->lyxvc.inUse())
1265                         owner->buffer()->lyxvc.registrer();
1266         }
1267         break;
1268
1269         case LFUN_VC_CHECKIN:
1270         {
1271                 if (owner->buffer()->lyxvc.inUse()
1272                     && !owner->buffer()->isReadonly())
1273                         owner->buffer()->lyxvc.checkIn();
1274         }
1275         break;
1276
1277         case LFUN_VC_CHECKOUT:
1278         {
1279                 if (owner->buffer()->lyxvc.inUse()
1280                     && owner->buffer()->isReadonly())
1281                         owner->buffer()->lyxvc.checkOut();
1282         }
1283         break;
1284
1285         case LFUN_VC_REVERT:
1286         {
1287                 owner->buffer()->lyxvc.revert();
1288         }
1289         break;
1290
1291         case LFUN_VC_UNDO:
1292         {
1293                 owner->buffer()->lyxvc.undoLast();
1294         }
1295         break;
1296
1297         case LFUN_VC_HISTORY:
1298         {
1299                 owner->getDialogs()->showVCLogFile();
1300                 break;
1301         }
1302
1303         // --- buffers ----------------------------------------
1304
1305         case LFUN_SWITCHBUFFER:
1306                 owner->view()->buffer(bufferlist.getBuffer(argument));
1307                 break;
1308
1309         case LFUN_FILE_NEW:
1310         {
1311                 // servercmd: argument must be <file>:<template>
1312                 Buffer * tmpbuf = NewLyxFile(argument);
1313                 if (tmpbuf)
1314                         owner->view()->buffer(tmpbuf);
1315         }
1316         break;
1317
1318         case LFUN_FILE_OPEN:
1319                 open(argument);
1320                 break;
1321
1322         case LFUN_LATEX_LOG:
1323                 owner->getDialogs()->showLogFile();
1324                 break;
1325
1326         case LFUN_LAYOUT_DOCUMENT:
1327                 owner->getDialogs()->showDocument();
1328                 break;
1329
1330         case LFUN_LAYOUT_PARAGRAPH:
1331                 owner->getDialogs()->showParagraph();
1332                 break;
1333
1334         case LFUN_LAYOUT_CHARACTER:
1335                 owner->getDialogs()->showCharacter();
1336                 break;
1337
1338         case LFUN_LAYOUT_TABULAR:
1339             if (owner->view()->theLockingInset()) {
1340                 if (owner->view()->theLockingInset()->lyxCode()==Inset::TABULAR_CODE) {
1341                     InsetTabular * inset = static_cast<InsetTabular *>
1342                         (owner->view()->theLockingInset());
1343                     inset->openLayoutDialog(owner->view());
1344                 } else if (owner->view()->theLockingInset()->
1345                            getFirstLockingInsetOfType(Inset::TABULAR_CODE)!=0) {
1346                     InsetTabular * inset = static_cast<InsetTabular *>(
1347                         owner->view()->theLockingInset()->getFirstLockingInsetOfType(Inset::TABULAR_CODE));
1348                     inset->openLayoutDialog(owner->view());
1349                 }
1350             }
1351             break;
1352
1353         case LFUN_LAYOUT_PREAMBLE:
1354                 owner->getDialogs()->showPreamble();
1355                 break;
1356
1357         case LFUN_DROP_LAYOUTS_CHOICE:
1358                 owner->getToolbar()->openLayoutList();
1359                 break;
1360
1361         case LFUN_MENU_OPEN_BY_NAME:
1362                 owner->getMenubar()->openByName(argument);
1363                 break; // RVDK_PATCH_5
1364
1365         case LFUN_SPELLCHECK:
1366                 if (lyxrc.isp_command != "none")
1367                         owner->getDialogs()->showSpellchecker();
1368                 break;
1369
1370         // --- lyxserver commands ----------------------------
1371
1372
1373         case LFUN_GETNAME:
1374                 setMessage(owner->buffer()->fileName());
1375                 lyxerr[Debug::INFO] << "FNAME["
1376                                << owner->buffer()->fileName()
1377                                << "] " << endl;
1378                 break;
1379
1380         case LFUN_NOTIFY:
1381         {
1382                 dispatch_buffer = keyseq.print();
1383                 lyxserver->notifyClient(dispatch_buffer);
1384         }
1385         break;
1386
1387         case LFUN_GOTOFILEROW:
1388         {
1389                 string file_name;
1390                 int row;
1391                 istringstream istr(argument.c_str());
1392                 istr >> file_name >> row;
1393                 // Must replace extension of the file to be .lyx and get full path
1394                 string const s(ChangeExtension(file_name, ".lyx"));
1395
1396                 // Either change buffer or load the file
1397                 if (bufferlist.exists(s)) {
1398                         owner->view()->buffer(bufferlist.getBuffer(s));
1399                 } else {
1400                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1401                 }
1402
1403                 // Set the cursor
1404                 owner->view()->setCursorFromRow(row);
1405
1406                 // Recenter screen
1407                 owner->view()->center();
1408         }
1409         break;
1410
1411         case LFUN_GOTO_PARAGRAPH:
1412         {
1413                 istringstream istr(argument.c_str());
1414
1415                 int id;
1416                 istr >> id;
1417                 Paragraph * par = owner->buffer()->getParFromID(id);
1418                 if (par == 0) {
1419                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1420                                             << id << "]" << endl;
1421                         break;
1422                 } else {
1423                         lyxerr << "Paragraph " << par->id()
1424                                << " found." << endl;
1425                 }
1426
1427                 if (owner->view()->theLockingInset())
1428                         owner->view()->unlockInset(owner->view()->theLockingInset());
1429                 if (par->inInset()) {
1430                         par->inInset()->edit(owner->view());
1431                 }
1432                 // Set the cursor
1433                 owner->view()->getLyXText()->setCursor(owner->view(), par, 0);
1434                 owner->view()->setState();
1435                 owner->showState();
1436
1437                 // Recenter screen
1438                 owner->view()->center();
1439         }
1440         break;
1441
1442         case LFUN_APROPOS:
1443         case LFUN_GETTIP:
1444         {
1445                 int const qa = lyxaction.LookupFunc(argument);
1446                 setMessage(lyxaction.helpText(static_cast<kb_action>(qa)));
1447         }
1448         break;
1449
1450         // --- toolbar ----------------------------------
1451         case LFUN_PUSH_TOOLBAR:
1452         {
1453                 int nth = strToInt(argument);
1454                 if (nth <= 0) {
1455                         setErrorMessage(N_("Push-toolbar needs argument > 0"));
1456                 } else {
1457                         owner->getToolbar()->push(nth);
1458                 }
1459         }
1460         break;
1461
1462         case LFUN_ADD_TO_TOOLBAR:
1463         {
1464                 if (lyxerr.debugging(Debug::GUI)) {
1465                         lyxerr << "LFUN_ADD_TO_TOOLBAR:"
1466                                 "argument = `" << argument << '\'' << endl;
1467                 }
1468                 string tmp(argument);
1469                 //lyxerr <<string("Argument: ") + argument);
1470                 //lyxerr <<string("Tmp     : ") + tmp);
1471                 if (tmp.empty()) {
1472                         setErrorMessage(N_("Usage: toolbar-add-to <LyX command>"));
1473                 } else {
1474                         owner->getToolbar()->add(argument, false);
1475                         owner->getToolbar()->set();
1476                 }
1477         }
1478         break;
1479
1480         // --- insert characters ----------------------------------------
1481
1482         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1483         case LFUN_MATH_EXTERN:
1484         case LFUN_MATH_NUMBER:
1485         case LFUN_MATH_NONUMBER:
1486         case LFUN_MATH_LIMITS:
1487         {
1488                 setErrorMessage(N_("This is only allowed in math mode!"));
1489         }
1490         break;
1491
1492         // passthrough hat and underscore outside mathed:
1493         case LFUN_SUBSCRIPT:
1494                 dispatch(LFUN_SELFINSERT, "_");
1495                 break;
1496         case LFUN_SUPERSCRIPT:
1497                 dispatch(LFUN_SELFINSERT, "^");
1498                 break;
1499
1500         case LFUN_MATH_PANEL:
1501                 owner->getDialogs()->showMathPanel();
1502                 break;
1503
1504         case LFUN_CITATION_CREATE:
1505         {
1506                 InsetCommandParams p("cite");
1507
1508                 if (!argument.empty()) {
1509                         // This should be set at source, ie when typing
1510                         // "citation-insert foo" in the minibuffer.
1511                         // Question: would pybibliographer also need to be
1512                         // changed. Suspect so. Leave as-is therefore.
1513                         if (contains(argument, "|")) {
1514                                 p.setContents(token(argument, '|', 0));
1515                                 p.setOptions( token(argument, '|', 1));
1516                         } else {
1517                                 p.setContents(argument);
1518                         }
1519                         dispatch(LFUN_CITATION_INSERT, p.getAsString());
1520                 } else
1521                         owner->getDialogs()->createCitation(p.getAsString());
1522         }
1523         break;
1524
1525         case LFUN_CHILDOPEN:
1526         {
1527                 string const filename =
1528                         MakeAbsPath(argument,
1529                                     owner->buffer()->filePath());
1530                 setMessage(N_("Opening child document ") +
1531                            MakeDisplayPath(filename) + "...");
1532                 owner->view()->savePosition(0);
1533                 if (bufferlist.exists(filename))
1534                         owner->view()->buffer(bufferlist.getBuffer(filename));
1535                 else
1536                         owner->view()->buffer(bufferlist.loadLyXFile(filename));
1537         }
1538         break;
1539
1540         case LFUN_TOGGLECURSORFOLLOW:
1541                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1542                 break;
1543
1544         case LFUN_KMAP_OFF:             // keymap off
1545                 owner->getIntl()->KeyMapOn(false);
1546                 break;
1547
1548         case LFUN_KMAP_PRIM:    // primary keymap
1549                 owner->getIntl()->KeyMapPrim();
1550                 break;
1551
1552         case LFUN_KMAP_SEC:             // secondary keymap
1553                 owner->getIntl()->KeyMapSec();
1554                 break;
1555
1556         case LFUN_KMAP_TOGGLE:  // toggle keymap
1557                 owner->getIntl()->ToggleKeyMap();
1558                 break;
1559
1560         case LFUN_SEQUENCE:
1561         {
1562                 // argument contains ';'-terminated commands
1563                 while (argument.find(';') != string::npos) {
1564                         string first;
1565                         argument = split(argument, first, ';');
1566                         verboseDispatch(first, false);
1567                 }
1568         }
1569         break;
1570
1571         case LFUN_DIALOG_PREFERENCES:
1572                 owner->getDialogs()->showPreferences();
1573                 break;
1574
1575         case LFUN_SAVEPREFERENCES:
1576         {
1577                 Path p(user_lyxdir);
1578                 lyxrc.write("preferences");
1579         }
1580         break;
1581
1582         case LFUN_SCREEN_FONT_UPDATE:
1583         {
1584                 // handle the screen font changes.
1585                 //
1586                 lyxrc.set_font_norm_type();
1587                 fontloader.update();
1588                 // Of course we should only do the resize and the textcache.clear
1589                 // if values really changed...but not very important right now. (Lgb)
1590                 // All visible buffers will need resize
1591                 owner->resize();
1592                 // We also need to empty the textcache so that
1593                 // the buffer will be formatted correctly after
1594                 // a zoom change.
1595                 textcache.clear();
1596         }
1597         break;
1598
1599         case LFUN_SET_COLOR:
1600         {
1601                 string lyx_name;
1602                 string const x11_name = split(argument, lyx_name, ' ');
1603                 if (lyx_name.empty() || x11_name.empty()) {
1604                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1605                                                 " <x11_name>"));
1606                         break;
1607                         }
1608
1609                 bool const graphicsbg_changed =
1610                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1611                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1612
1613                 if (!lcolor.setColor(lyx_name, x11_name)) {
1614                         static string const err1 (N_("Set-color \""));
1615                         static string const err2 (
1616                                 N_("\" failed - color is undefined "
1617                                    "or may not be redefined"));
1618                         setErrorMessage(_(err1) + lyx_name + _(err2));
1619                         break;
1620                 }
1621
1622                 lyxColorHandler->updateColor(lcolor.getFromLyXName(lyx_name));
1623
1624                 if (graphicsbg_changed) {
1625                         grfx::GCache & gc = grfx::GCache::get();
1626                         gc.changeDisplay(true);
1627                 }
1628
1629                 owner->view()->redraw();
1630                 break;
1631         }
1632
1633         case LFUN_MESSAGE:
1634                 owner->message(argument);
1635                 break;
1636
1637         case LFUN_MESSAGE_PUSH:
1638                 owner->messagePush(argument);
1639                 break;
1640
1641         case LFUN_MESSAGE_POP:
1642                 owner->messagePop();
1643                 break;
1644
1645         case LFUN_FORKS_SHOW:
1646                 owner->getDialogs()->showForks();
1647                 break;
1648
1649         case LFUN_FORKS_KILL:
1650         {
1651                 if (!isStrInt(argument))
1652                         break;
1653
1654                 pid_t const pid = strToInt(argument);
1655                 ForkedcallsController & fcc = ForkedcallsController::get();
1656                 fcc.kill(pid);
1657                 break;
1658         }
1659
1660         default:
1661                 // Then if it was none of the above
1662                 // Trying the BufferView::pimpl dispatch:
1663                 if (!owner->view()->Dispatch(action, argument))
1664                         lyxerr << "A truly unknown func ["
1665                                << lyxaction.getActionName(action) << "]!"
1666                                << endl;
1667                 break;
1668         } // end of switch
1669
1670 exit_with_message:
1671
1672         string const res = getMessage();
1673
1674         if (!res.empty())
1675                 owner->message(_(res));
1676         owner->updateMenubar();
1677         owner->updateToolbar();
1678
1679         return res;
1680 }
1681
1682
1683 void LyXFunc::setupLocalKeymap()
1684 {
1685         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1686         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1687 }
1688
1689
1690 void LyXFunc::menuNew(bool fromTemplate)
1691 {
1692         string initpath = lyxrc.document_path;
1693
1694         if (owner->view()->available()) {
1695                 string const trypath = owner->buffer()->filePath();
1696                 // If directory is writeable, use this as default.
1697                 if (IsDirWriteable(trypath))
1698                         initpath = trypath;
1699         }
1700
1701         static int newfile_number;
1702         string s;
1703
1704         if (lyxrc.new_ask_filename) {
1705                 FileDialog fileDlg(owner, _("Enter filename for new document"),
1706                                    LFUN_SELECT_FILE_SYNC,
1707                         make_pair(string(_("Documents|#o#O")),
1708                                   string(lyxrc.document_path)),
1709                         make_pair(string(_("Templates|#T#t")),
1710                                   string(lyxrc.template_path)));
1711
1712                 FileDialog::Result result =
1713                         fileDlg.Select(initpath,
1714                                        _("*.lyx|LyX Documents (*.lyx)"),
1715                                        _("newfile"));
1716
1717                 if (result.second.empty()) {
1718                         owner->message(_("Canceled."));
1719                         lyxerr[Debug::INFO] << "New Document Cancelled." << endl;
1720                         return;
1721                 }
1722
1723                 // get absolute path of file and make sure the filename ends
1724                 // with .lyx
1725                 s = MakeAbsPath(result.second);
1726                 if (!IsLyXFilename(s))
1727                         s += ".lyx";
1728
1729                 // Check if the document already is open
1730                 if (bufferlist.exists(s)) {
1731                         switch (Alert::askConfirmation(_("Document is already open:"),
1732                                                 MakeDisplayPath(s, 50),
1733                                                 _("Do you want to close that document now?\n"
1734                                                   "('No' will just switch to the open version)")))
1735                         {
1736                         case 1: // Yes: close the document
1737                                 if (!bufferlist.close(bufferlist.getBuffer(s)))
1738                                 // If close is canceled, we cancel here too.
1739                                         return;
1740                                 break;
1741                         case 2: // No: switch to the open document
1742                                 owner->view()->buffer(bufferlist.getBuffer(s));
1743                                 return;
1744                         case 3: // Cancel: Do nothing
1745                                 owner->message(_("Canceled."));
1746                                 return;
1747                         }
1748                 }
1749                 // Check whether the file already exists
1750                 FileInfo fi(s);
1751                 if (fi.readable() &&
1752                     Alert::askQuestion(_("File already exists:"),
1753                                 MakeDisplayPath(s, 50),
1754                                 _("Do you want to open the document?"))) {
1755                                 // loads document
1756                         string const disp_fn(MakeDisplayPath(s));
1757
1758                         ostringstream str;
1759                         str << _("Opening  document") << ' '
1760                             << disp_fn << "...";
1761
1762                         owner->message(str.str().c_str());
1763                         //XFlush(fl_get_display());
1764                         owner->view()->buffer(bufferlist.loadLyXFile(s));
1765                         ostringstream str2;
1766                         str2 << _("Document") << ' '
1767                              << disp_fn << ' ' << _("opened.");
1768
1769                         owner->message(str2.str().c_str());
1770
1771                         return;
1772                 }
1773         } else {
1774                 s = AddName(lyxrc.document_path,
1775                             "newfile" + tostr(++newfile_number) + ".lyx");
1776                 FileInfo fi(s);
1777                 while (bufferlist.exists(s) || fi.readable()) {
1778                         ++newfile_number;
1779                         s = AddName(lyxrc.document_path,
1780                                     "newfile" + tostr(newfile_number) +
1781                                     ".lyx");
1782                         fi.newFile(s);
1783                 }
1784         }
1785
1786         // The template stuff
1787         string templname;
1788         if (fromTemplate) {
1789                 FileDialog fileDlg(owner, _("Select template file"),
1790                         LFUN_SELECT_FILE_SYNC,
1791                         make_pair(string(_("Documents|#o#O")),
1792                                   string(lyxrc.document_path)),
1793                         make_pair(string(_("Templates|#T#t")),
1794                                   string(lyxrc.template_path)));
1795
1796                 FileDialog::Result result =
1797                         fileDlg.Select(lyxrc.template_path,
1798                                        _("*.lyx|LyX Documents (*.lyx)"));
1799
1800                 if (result.first == FileDialog::Later)
1801                         return;
1802
1803                 string const fname = result.second;
1804
1805                 if (fname.empty())
1806                         return;
1807                 templname = fname;
1808         }
1809
1810         // find a free buffer
1811         lyxerr[Debug::INFO] << "Find a free buffer." << endl;
1812         owner->view()->buffer(bufferlist.newFile(s, templname));
1813 }
1814
1815
1816 void LyXFunc::open(string const & fname)
1817 {
1818         string initpath = lyxrc.document_path;
1819
1820         if (owner->view()->available()) {
1821                 string const trypath = owner->buffer()->filePath();
1822                 // If directory is writeable, use this as default.
1823                 if (IsDirWriteable(trypath))
1824                         initpath = trypath;
1825         }
1826
1827         string filename;
1828
1829         if (fname.empty()) {
1830                 FileDialog fileDlg(owner, _("Select document to open"),
1831                         LFUN_FILE_OPEN,
1832                         make_pair(string(_("Documents|#o#O")),
1833                                   string(lyxrc.document_path)),
1834                         make_pair(string(_("Examples|#E#e")),
1835                                   string(AddPath(system_lyxdir, "examples"))));
1836
1837                 FileDialog::Result result =
1838                         fileDlg.Select(initpath,
1839                                        "*.lyx|LyX Documents (*.lyx)");
1840
1841                 if (result.first == FileDialog::Later)
1842                         return;
1843
1844                 filename = result.second;
1845
1846                 // check selected filename
1847                 if (filename.empty()) {
1848                         owner->message(_("Canceled."));
1849                         return;
1850                 }
1851         } else
1852                 filename = fname;
1853
1854         // get absolute path of file and add ".lyx" to the filename if
1855         // necessary
1856         string const fullpath = FileSearch(string(), filename, "lyx");
1857         if (fullpath.empty()) {
1858                 Alert::alert(_("Error"), _("Could not find file"), filename);
1859                 return;
1860         }
1861
1862         filename = fullpath;
1863
1864         // loads document
1865         string const disp_fn(MakeDisplayPath(filename));
1866
1867         ostringstream str;
1868         str << _("Opening document") << ' ' << disp_fn << "...";
1869
1870         owner->message(str.str().c_str());
1871
1872         Buffer * openbuf = bufferlist.loadLyXFile(filename);
1873         if (openbuf) {
1874                 owner->view()->buffer(openbuf);
1875                 ostringstream str;
1876                 str << _("Document") << ' ' << disp_fn << ' ' << _("opened.");
1877                 owner->message(str.str().c_str());
1878         } else {
1879                 ostringstream str;
1880                 str << _("Could not open document") << ' ' << disp_fn;
1881                 owner->message(str.str().c_str());
1882         }
1883 }
1884
1885
1886 // checks for running without gui are missing.
1887 void LyXFunc::doImport(string const & argument)
1888 {
1889         string format;
1890         string filename = split(argument, format, ' ');
1891         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1892                             << " file: " << filename << endl;
1893
1894         if (filename.empty()) { // need user interaction
1895                 string initpath = lyxrc.document_path;
1896
1897                 if (owner->view()->available()) {
1898                         string const trypath = owner->buffer()->filePath();
1899                         // If directory is writeable, use this as default.
1900                         if (IsDirWriteable(trypath))
1901                                 initpath = trypath;
1902                 }
1903
1904                 string const text = _("Select ") + formats.prettyName(format)
1905                         + _(" file to import");
1906
1907                 FileDialog fileDlg(owner, text,
1908                         LFUN_IMPORT,
1909                         make_pair(string(_("Documents|#o#O")),
1910                                   string(lyxrc.document_path)),
1911                         make_pair(string(_("Examples|#E#e")),
1912                                   string(AddPath(system_lyxdir, "examples"))));
1913
1914                 string const extension = "*." + formats.extension(format)
1915                         + "| " + formats.prettyName(format)
1916                         + " (*." + formats.extension(format) + ")";
1917
1918                 FileDialog::Result result = fileDlg.Select(initpath,
1919                                                            extension);
1920
1921                 if (result.first == FileDialog::Later)
1922                         return;
1923
1924                 filename = result.second;
1925
1926                 // check selected filename
1927                 if (filename.empty())
1928                         owner->message(_("Canceled."));
1929         }
1930
1931         // still no filename? abort
1932         if (filename.empty())
1933                 return;
1934
1935         // get absolute path of file
1936         filename = MakeAbsPath(filename);
1937
1938         string const lyxfile = ChangeExtension(filename, ".lyx");
1939
1940         // Check if the document already is open
1941         if (bufferlist.exists(lyxfile)) {
1942                 switch (Alert::askConfirmation(_("Document is already open:"),
1943                                         MakeDisplayPath(lyxfile, 50),
1944                                         _("Do you want to close that document now?\n"
1945                                           "('No' will just switch to the open version)")))
1946                         {
1947                         case 1: // Yes: close the document
1948                                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile)))
1949                                 // If close is canceled, we cancel here too.
1950                                         return;
1951                                 break;
1952                         case 2: // No: switch to the open document
1953                                 owner->view()->buffer(bufferlist.getBuffer(lyxfile));
1954                                 return;
1955                         case 3: // Cancel: Do nothing
1956                                 owner->message(_("Canceled."));
1957                                 return;
1958                         }
1959         }
1960
1961         // Check if a LyX document by the same root exists in filesystem
1962         FileInfo const f(lyxfile, true);
1963         if (f.exist() && !Alert::askQuestion(_("A document by the name"),
1964                                       MakeDisplayPath(lyxfile),
1965                                       _("already exists. Overwrite?"))) {
1966                 owner->message(_("Canceled"));
1967                 return;
1968         }
1969         // filename should be valid now
1970
1971         Importer::Import(owner, filename, format);
1972 }
1973
1974
1975 void LyXFunc::reloadBuffer()
1976 {
1977         string const fn = owner->buffer()->fileName();
1978         if (bufferlist.close(owner->buffer()))
1979                 owner->view()->buffer(bufferlist.loadLyXFile(fn));
1980 }
1981
1982
1983 void LyXFunc::closeBuffer()
1984 {
1985         if (bufferlist.close(owner->buffer()) && !quitting) {
1986                 if (bufferlist.empty()) {
1987                         // need this otherwise SEGV may occur while trying to
1988                         // set variables that don't exist
1989                         // since there's no current buffer
1990                         owner->getDialogs()->hideBufferDependent();
1991                 } else {
1992                         owner->view()->buffer(bufferlist.first());
1993                 }
1994         }
1995 }
1996
1997
1998 // Each "owner" should have it's own message method. lyxview and
1999 // the minibuffer would use the minibuffer, but lyxserver would
2000 // send an ERROR signal to its client.  Alejandro 970603
2001 // This func is bit problematic when it comes to NLS, to make the
2002 // lyx servers client be language indepenent we must not translate
2003 // strings sent to this func.
2004 void LyXFunc::setErrorMessage(string const & m) const
2005 {
2006         dispatch_buffer = m;
2007         errorstat = true;
2008 }
2009
2010
2011 void LyXFunc::setMessage(string const & m) const
2012 {
2013         dispatch_buffer = m;
2014 }
2015
2016
2017 void LyXFunc::setStatusMessage(string const & m) const
2018 {
2019         status_buffer = m;
2020 }
2021
2022
2023 void LyXFunc::initMiniBuffer()
2024 {
2025         string text = _("Welcome to LyX!");
2026
2027         // When meta-fake key is pressed, show the key sequence so far + "M-".
2028         if (wasMetaKey()) {
2029                 text = keyseq.print();
2030                 text += "M-";
2031         }
2032
2033         // Else, when a non-complete key sequence is pressed,
2034         // show the available options.
2035         if (keyseq.length() > 0 && !keyseq.deleted()) {
2036                 text = keyseq.printOptions();
2037         }
2038
2039         // Else, show the buffer state.
2040         else if (owner->view()->available()) {
2041                 Buffer * tmpbuf = owner->buffer();
2042
2043                 string const nicename =
2044                         MakeDisplayPath(tmpbuf->fileName());
2045                 // Should we do this instead? (kindo like emacs)
2046                 // leaves more room for other information
2047                 text = "LyX: ";
2048                 text += nicename;
2049                 if (tmpbuf->lyxvc.inUse()) {
2050                         text += " [";
2051                         text += tmpbuf->lyxvc.versionString();
2052                         text += ' ';
2053                         text += tmpbuf->lyxvc.locker();
2054                         if (tmpbuf->isReadonly())
2055                                 text += " (RO)";
2056                         text += ']';
2057                 } else if (tmpbuf->isReadonly())
2058                         text += " [RO]";
2059                 if (!tmpbuf->isLyxClean())
2060                         text += _(" (Changed)");
2061         } else {
2062                 if (text != _("Welcome to LyX!")) // this is a hack
2063                         text = _("* No document open *");
2064         }
2065
2066         owner->message(text);
2067 }
2068