src/insets/InsetInfo.cpp

   1 /**
   2  * \file InsetInfo.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Bo Peng
   7  * \author Jürgen Spitzmüller
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11 #include <config.h>
  12
  13 #include "InsetInfo.h"
  14 #include "LyX.h"
  15 #include "Buffer.h"
  16 #include "BufferParams.h"
  17 #include "BufferView.h"
  18 #include "CutAndPaste.h"
  19 #include "Font.h"
  20 #include "FuncRequest.h"
  21 #include "FuncStatus.h"
  22 #include "InsetGraphics.h"
  23 #include "InsetSpecialChar.h"
  24 #include "KeyMap.h"
  25 #include "LaTeXFeatures.h"
  26 #include "Language.h"
  27 #include "LayoutFile.h"
  28 #include "Length.h"
  29 #include "LyXAction.h"
  30 #include "LyXRC.h"
  31 #include "LyXVC.h"
  32 #include "Lexer.h"
  33 #include "Paragraph.h"
  34 #include "ParIterator.h"
  35 #include "ParagraphParameters.h"
  36 #include "version.h"
  37
  38 #include "frontends/Application.h"
  39
  40 #include "support/convert.h"
  41 #include "support/debug.h"
  42 #include "support/docstream.h"
  43 #include "support/docstring_list.h"
  44 #include "support/ExceptionMessage.h"
  45 #include "support/FileName.h"
  46 #include "support/filetools.h"
  47 #include "support/gettext.h"
  48 #include "support/Messages.h"
  49 #include "support/lstrings.h"
  50 #include "support/qstring_helpers.h"
  51 #include "support/Translator.h"
  52
  53 #include <sstream>
  54
  55 #include <QtGui/QImage>
  56 #include <QDate>
  57 #include <QLocale>
  58
  59 using namespace std;
  60 using namespace lyx::support;
  61
  62 namespace lyx {
  63
  64 namespace {
  65
  66 typedef Translator<InsetInfoParams::info_type, string> NameTranslator;
  67
  68 NameTranslator const initTranslator()
  69 {
  70         NameTranslator translator(InsetInfoParams::UNKNOWN_INFO, "unknown");
  71
  72         translator.addPair(InsetInfoParams::SHORTCUTS_INFO, "shortcuts");
  73         translator.addPair(InsetInfoParams::SHORTCUT_INFO, "shortcut");
  74         translator.addPair(InsetInfoParams::LYXRC_INFO, "lyxrc");
  75         translator.addPair(InsetInfoParams::PACKAGE_INFO, "package");
  76         translator.addPair(InsetInfoParams::TEXTCLASS_INFO, "textclass");
  77         translator.addPair(InsetInfoParams::MENU_INFO, "menu");
  78         translator.addPair(InsetInfoParams::ICON_INFO, "icon");
  79         translator.addPair(InsetInfoParams::BUFFER_INFO, "buffer");
  80         translator.addPair(InsetInfoParams::LYX_INFO, "lyxinfo");
  81         translator.addPair(InsetInfoParams::VCS_INFO, "vcs");
  82         translator.addPair(InsetInfoParams::DATE_INFO, "date");
  83         translator.addPair(InsetInfoParams::MODDATE_INFO, "moddate");
  84         translator.addPair(InsetInfoParams::FIXDATE_INFO, "fixdate");
  85         translator.addPair(InsetInfoParams::TIME_INFO, "time");
  86         translator.addPair(InsetInfoParams::MODTIME_INFO, "modtime");
  87         translator.addPair(InsetInfoParams::FIXTIME_INFO, "fixtime");
  88
  89         return translator;
  90 }
  91
  92 /// The translator between the information type enum and corresponding string.
  93 NameTranslator const & nameTranslator()
  94 {
  95         static NameTranslator const translator = initTranslator();
  96         return translator;
  97 }
  98
  99
 100 typedef Translator<InsetInfoParams::info_type, string> DefaultValueTranslator;
 101
 102 DefaultValueTranslator const initDVTranslator()
 103 {
 104         DefaultValueTranslator translator(InsetInfoParams::UNKNOWN_INFO, "");
 105
 106         translator.addPair(InsetInfoParams::SHORTCUTS_INFO, "info-insert");
 107         translator.addPair(InsetInfoParams::SHORTCUT_INFO, "info-insert");
 108         translator.addPair(InsetInfoParams::LYXRC_INFO, "user_name");
 109         translator.addPair(InsetInfoParams::PACKAGE_INFO, "graphics");
 110         translator.addPair(InsetInfoParams::TEXTCLASS_INFO, "article");
 111         translator.addPair(InsetInfoParams::MENU_INFO, "info-insert");
 112         translator.addPair(InsetInfoParams::ICON_INFO, "info-insert");
 113         translator.addPair(InsetInfoParams::BUFFER_INFO, "name-noext");
 114         translator.addPair(InsetInfoParams::LYX_INFO, "version");
 115         translator.addPair(InsetInfoParams::VCS_INFO, "revision");
 116         translator.addPair(InsetInfoParams::DATE_INFO, "loclong");
 117         translator.addPair(InsetInfoParams::MODDATE_INFO, "loclong");
 118         translator.addPair(InsetInfoParams::FIXDATE_INFO, "loclong");
 119         translator.addPair(InsetInfoParams::TIME_INFO, "long");
 120         translator.addPair(InsetInfoParams::MODTIME_INFO, "long");
 121         translator.addPair(InsetInfoParams::FIXTIME_INFO, "long");
 122
 123         return translator;
 124 }
 125
 126 /// The translator between the information type enum and some sensible default value.
 127 DefaultValueTranslator const & defaultValueTranslator()
 128 {
 129         static DefaultValueTranslator const translator = initDVTranslator();
 130         return translator;
 131 }
 132
 133 } // namespace
 134
 135
 136 /////////////////////////////////////////////////////////////////////
 137 //
 138 // InsetInfoParams
 139 //
 140 ///////////////////////////////////////////////////////////////////////
 141
 142 InsetInfoParams infoparams;
 143
 144 namespace{
 145 set<string> getTexFileList(string const & filename)
 146 {
 147         set<string> list;
 148         FileName const file = libFileSearch(string(), filename);
 149         if (file.empty())
 150                 return list;
 151
 152         // FIXME Unicode.
 153         vector<docstring> doclist =
 154                 getVectorFromString(file.fileContents("UTF-8"), from_ascii("\n"));
 155
 156         // Normalise paths like /foo//bar ==> /foo/bar
 157         for (auto doc : doclist) {
 158                 subst(doc, from_ascii("\r"), docstring());
 159                 while (contains(doc, from_ascii("//")))
 160                         subst(doc, from_ascii("//"), from_ascii("/"));
 161                 if (!doc.empty())
 162                         list.insert(removeExtension(onlyFileName(to_utf8(doc))));
 163         }
 164
 165         // remove duplicates
 166         return list;
 167 }
 168 } // namespace anon
 169
 170
 171 docstring InsetInfoParams::getDate(string const iname, QDate const date) const
 172 {
 173         QLocale loc;
 174         if (lang)
 175                 loc = QLocale(toqstr(lang->code()));
 176         if (iname == "long")
 177                 return qstring_to_ucs4(loc.toString(date, QLocale::LongFormat));
 178         else if (iname == "short")
 179                 return qstring_to_ucs4(loc.toString(date, QLocale::ShortFormat));
 180         else if (iname == "ISO")
 181                 return qstring_to_ucs4(date.toString(Qt::ISODate));
 182         else if (iname == "loclong")
 183                 return qstring_to_ucs4(loc.toString(date, toqstr(lang->dateFormat(0))));
 184         else if (iname == "locmedium")
 185                 return qstring_to_ucs4(loc.toString(date, toqstr(lang->dateFormat(1))));
 186         else if (iname == "locshort")
 187                 return qstring_to_ucs4(loc.toString(date, toqstr(lang->dateFormat(2))));
 188         else
 189                 return qstring_to_ucs4(loc.toString(date, toqstr(iname)));
 190 }
 191
 192
 193 docstring InsetInfoParams::getTime(string const iname, QTime const time) const
 194 {
 195         QLocale loc;
 196         if (lang)
 197                 loc = QLocale(toqstr(lang->code()));
 198         if (iname == "long")
 199                 return qstring_to_ucs4(loc.toString(time, QLocale::LongFormat));
 200         else if (iname == "short")
 201                 return qstring_to_ucs4(loc.toString(time, QLocale::ShortFormat));
 202         else if (iname == "ISO")
 203                 return qstring_to_ucs4(time.toString(Qt::ISODate));
 204         else
 205                 return qstring_to_ucs4(loc.toString(time, toqstr(iname)));
 206 }
 207
 208
 209 vector<pair<string,docstring>> InsetInfoParams::getArguments(Buffer const * buf,
 210                                                              string const & itype) const
 211 {
 212         vector<pair<string,docstring>> result;
 213
 214         switch (nameTranslator().find(itype)) {
 215         case UNKNOWN_INFO:
 216                 result.push_back(make_pair("invalid", _("Please select a valid type!")));
 217                 break;
 218
 219         case SHORTCUT_INFO:
 220         case SHORTCUTS_INFO:
 221         case MENU_INFO:
 222         case ICON_INFO: {
 223                 result.push_back(make_pair("custom", _("Custom")));
 224                 LyXAction::const_iterator fit = lyxaction.func_begin();
 225                 LyXAction::const_iterator const fen = lyxaction.func_end();
 226                 for (; fit != fen; ++fit) {
 227                         string const lfun = fit->first;
 228                         if (!lfun.empty())
 229                                 result.push_back(make_pair(lfun, from_ascii(lfun)));
 230                 }
 231                 break;
 232         }
 233
 234         case LYXRC_INFO: {
 235                 result.push_back(make_pair("custom", _("Custom")));
 236                 set<string> rcs = lyxrc.getRCs();
 237                 for (auto const & rc : rcs)
 238                         result.push_back(make_pair(rc, from_ascii(rc)));
 239                 break;
 240         }
 241
 242         case PACKAGE_INFO:
 243         case TEXTCLASS_INFO: {
 244                 result.push_back(make_pair("custom", _("Custom")));
 245                 string const filename = (itype == "package") ? "styFiles.lst"
 246                                                             : "clsFiles.lst";
 247                 set<string> flist = getTexFileList(filename);
 248                 for (auto const & f : flist)
 249                         result.push_back(make_pair(f, from_utf8(f)));
 250                 break;
 251         }
 252
 253         case BUFFER_INFO:
 254                 result.push_back(make_pair("name", _("File name (with extension)")));
 255                 result.push_back(make_pair("name-noext", _("File name (without extension)")));
 256                 result.push_back(make_pair("path", _("File path")));
 257                 result.push_back(make_pair("class", _("Used text class")));
 258                 break;
 259
 260         case VCS_INFO: {
 261                 if (!buf->lyxvc().inUse()) {
 262                         result.push_back(make_pair("invalid", _("No version control!")));
 263                         break;
 264                 }
 265                 result.push_back(make_pair("revision", _("Revision[[Version Control]]")));
 266                 result.push_back(make_pair("tree-revision", _("Tree revision")));
 267                 result.push_back(make_pair("author", _("Author")));
 268                 result.push_back(make_pair("date", _("Date")));
 269                 result.push_back(make_pair("time", _("Time")));
 270                 break;
 271         }
 272
 273         case LYX_INFO:
 274                 result.push_back(make_pair("version", _("LyX version")));
 275                 break;
 276
 277         case FIXDATE_INFO:
 278         case DATE_INFO:
 279         case MODDATE_INFO: {
 280                 string const dt = split(name, '@');
 281                 QDate date;
 282                 if (itype == "moddate")
 283                         date = QDateTime::fromTime_t(buf->fileName().lastModified()).date();
 284                 else if (itype == "fixdate" && !dt.empty()) {
 285                         QDate const gdate = QDate::fromString(toqstr(dt), Qt::ISODate);
 286                         date = (gdate.isValid()) ? gdate : QDate::currentDate();
 287                 } else
 288                         date = QDate::currentDate();
 289                 result.push_back(make_pair("long",getDate("long", date)));
 290                 result.push_back(make_pair("short", getDate("short", date)));
 291                 result.push_back(make_pair("loclong", getDate("loclong", date)));
 292                 result.push_back(make_pair("locmedium", getDate("locmedium", date)));
 293                 result.push_back(make_pair("locshort", getDate("locshort", date)));
 294                 result.push_back(make_pair("ISO", getDate("ISO", date)));
 295                 result.push_back(make_pair("yyyy", getDate("yyyy", date)));
 296                 result.push_back(make_pair("MMMM", getDate("MMMM", date)));
 297                 result.push_back(make_pair("MMM", getDate("MMM", date)));
 298                 result.push_back(make_pair("dddd", getDate("dddd", date)));
 299                 result.push_back(make_pair("ddd", getDate("ddd", date)));
 300                 result.push_back(make_pair("custom", _("Custom")));
 301                 break;
 302         }
 303         case FIXTIME_INFO:
 304         case TIME_INFO:
 305         case MODTIME_INFO: {
 306                 string const tt = split(name, '@');
 307                 QTime time;
 308                 if (itype == "modtime")
 309                         time = QDateTime::fromTime_t(buf->fileName().lastModified()).time();
 310                 else if (itype == "fixtime" && !tt.empty()) {
 311                         QTime const gtime = QTime::fromString(toqstr(tt), Qt::ISODate);
 312                         time = (gtime.isValid()) ? gtime : QTime::currentTime();
 313                 } else
 314                         time = QTime::currentTime();
 315                 result.push_back(make_pair("long",getTime("long", time)));
 316                 result.push_back(make_pair("short", getTime("short", time)));
 317                 result.push_back(make_pair("ISO", getTime("ISO", time)));
 318                 result.push_back(make_pair("custom", _("Custom")));
 319                 break;
 320         }
 321         }
 322
 323         return result;
 324 }
 325
 326
 327 string InsetInfoParams::infoType() const
 328 {
 329         return nameTranslator().find(type);
 330 }
 331
 332
 333
 334 /////////////////////////////////////////////////////////////////////////
 335 //
 336 // InsetInfo
 337 //
 338 /////////////////////////////////////////////////////////////////////////
 339
 340
 341
 342 InsetInfo::InsetInfo(Buffer * buf, string const & name)
 343         : InsetCollapsible(buf), initialized_(false)
 344 {
 345         params_.type = InsetInfoParams::UNKNOWN_INFO;
 346         params_.force_ltr = false;
 347         setInfo(name);
 348         status_ = Collapsed;
 349 }
 350
 351
 352 Inset * InsetInfo::editXY(Cursor & cur, int x, int y)
 353 {
 354         // do not allow the cursor to be set in this Inset
 355         return Inset::editXY(cur, x, y);
 356 }
 357
 358
 359 docstring InsetInfo::layoutName() const
 360 {
 361         return from_ascii("Info:" + params_.infoType());
 362 }
 363
 364
 365 docstring InsetInfo::toolTip(BufferView const &, int, int) const
 366 {
 367         docstring result;
 368         switch (nameTranslator().find(params_.infoType())) {
 369         case InsetInfoParams::UNKNOWN_INFO:
 370                 result = _("Invalid information inset");
 371                 break;
 372         case InsetInfoParams::SHORTCUT_INFO:
 373                 result = bformat(_("The keybard shortcut for the function '%1$s'"),
 374                                 from_utf8(params_.name));
 375                 break;
 376         case InsetInfoParams::SHORTCUTS_INFO:
 377                 result = bformat(_("The keybard shortcuts for the function '%1$s'"),
 378                                 from_utf8(params_.name));
 379                 break;
 380         case InsetInfoParams::MENU_INFO:
 381                 result = bformat(_("The menu location for the function '%1$s'"),
 382                                 from_utf8(params_.name));
 383                 break;
 384         case InsetInfoParams::ICON_INFO:
 385                 result = bformat(_("The toolbar icon for the function '%1$s'"),
 386                                 from_utf8(params_.name));
 387                 break;
 388         case InsetInfoParams::LYXRC_INFO:
 389                 result = bformat(_("The preference setting for the preference key '%1$s'"),
 390                                 from_utf8(params_.name));
 391                 break;
 392         case InsetInfoParams::PACKAGE_INFO:
 393                 result = bformat(_("Availability of the LaTeX package '%1$s'"),
 394                                 from_utf8(params_.name));
 395                 break;
 396         case InsetInfoParams::TEXTCLASS_INFO:
 397                 result = bformat(_("Availability of the LaTeX class '%1$s'"),
 398                                 from_utf8(params_.name));
 399                 break;
 400         case InsetInfoParams::BUFFER_INFO:
 401                 if (params_.name == "name")
 402                         result = _("The name of this file (incl. extension)");
 403                 else if (params_.name == "name-noext")
 404                         result = _("The name of this file (without extension)");
 405                 else if (params_.name == "path")
 406                         result = _("The path where this file is saved");
 407                 else if (params_.name == "class")
 408                         result = _("The class this document uses");
 409                 break;
 410         case InsetInfoParams::VCS_INFO:
 411                 if (params_.name == "revision")
 412                         result = _("Version control revision");
 413                 else if (params_.name == "tree-revision")
 414                         result = _("Version control tree revision");
 415                 else if (params_.name == "author")
 416                          result = _("Version control author");
 417                 else if (params_.name == "date")
 418                         result = _("Version control date");
 419                 else if (params_.name == "time")
 420                         result = _("Version control time");
 421                 break;
 422         case InsetInfoParams::LYX_INFO:
 423                 result = _("The current LyX version");
 424                 break;
 425         case InsetInfoParams::DATE_INFO:
 426                 result = _("The current date");
 427                 break;
 428         case InsetInfoParams::MODDATE_INFO:
 429                 result = _("The date of last save");
 430                 break;
 431         case InsetInfoParams::FIXDATE_INFO:
 432                 result = _("A static date");
 433                 break;
 434         case InsetInfoParams::TIME_INFO:
 435                 result = _("The current time");
 436                 break;
 437         case InsetInfoParams::MODTIME_INFO:
 438                 result = _("The time of last save");
 439                 break;
 440         case InsetInfoParams::FIXTIME_INFO:
 441                 result = _("A static time");
 442                 break;
 443         }
 444
 445         return result;
 446 }
 447
 448
 449 void InsetInfo::read(Lexer & lex)
 450 {
 451         string token;
 452         while (lex.isOK()) {
 453                 lex.next();
 454                 token = lex.getString();
 455                 if (token == "type") {
 456                         lex.next();
 457                         token = lex.getString();
 458                         params_.type = nameTranslator().find(token);
 459                 } else if (token == "arg") {
 460                         lex.next(true);
 461                         params_.name = lex.getString();
 462                 } else if (token == "\\end_inset")
 463                         break;
 464         }
 465         if (token != "\\end_inset") {
 466                 lex.printError("Missing \\end_inset at this point");
 467                 throw ExceptionMessage(WarningException,
 468                         _("Missing \\end_inset at this point."),
 469                         from_utf8(token));
 470         }
 471 }
 472
 473
 474 void InsetInfo::write(ostream & os) const
 475 {
 476         os << "Info\ntype  \"" << params_.infoType()
 477            << "\"\narg   " << Lexer::quoteString(params_.name);
 478 }
 479
 480
 481 bool InsetInfo::validateModifyArgument(docstring const & arg) const
 482 {
 483         string type;
 484         string name = trim(split(to_utf8(arg), type, ' '));
 485
 486         switch (nameTranslator().find(type)) {
 487         case InsetInfoParams::UNKNOWN_INFO:
 488                 return false;
 489
 490         case InsetInfoParams::SHORTCUT_INFO:
 491         case InsetInfoParams::SHORTCUTS_INFO:
 492         case InsetInfoParams::MENU_INFO: {
 493                 FuncRequest func = lyxaction.lookupFunc(name);
 494                 return func.action() != LFUN_UNKNOWN_ACTION;
 495         }
 496
 497         case InsetInfoParams::ICON_INFO: {
 498                 FuncCode const action = lyxaction.lookupFunc(name).action();
 499                 if (action == LFUN_UNKNOWN_ACTION) {
 500                         string dir = "images";
 501                         return !imageLibFileSearch(dir, name, "svgz,png").empty();
 502                 }
 503                 return true;
 504         }
 505
 506         case InsetInfoParams::LYXRC_INFO: {
 507                 set<string> rcs = lyxrc.getRCs();
 508                 return rcs.find(name) != rcs.end();
 509         }
 510
 511         case InsetInfoParams::PACKAGE_INFO:
 512         case InsetInfoParams::TEXTCLASS_INFO:
 513                 return true;
 514
 515         case InsetInfoParams::BUFFER_INFO:
 516                 return (name == "name" || name == "name-noext"
 517                         || name == "path" || name == "class");
 518
 519         case InsetInfoParams::VCS_INFO:
 520                 if (name == "revision" || name == "tree-revision"
 521                     || name == "author" || name == "date" || name == "time")
 522                         return buffer().lyxvc().inUse();
 523                 return false;
 524
 525         case InsetInfoParams::LYX_INFO:
 526                 return name == "version";
 527
 528         case InsetInfoParams::FIXDATE_INFO: {
 529                 string date;
 530                 string piece;
 531                 date = split(name, piece, '@');
 532                 if (!date.empty() && !QDate::fromString(toqstr(date), Qt::ISODate).isValid())
 533                         return false;
 534                 if (!piece.empty())
 535                         name = piece;
 536         }
 537         // fall through
 538         case InsetInfoParams::DATE_INFO:
 539         case InsetInfoParams::MODDATE_INFO: {
 540                 if (name == "long" || name == "short" || name == "ISO")
 541                         return true;
 542                 else {
 543                         QDate date = QDate::currentDate();
 544                         return !date.toString(toqstr(name)).isEmpty();
 545                 }
 546         }
 547         case InsetInfoParams::FIXTIME_INFO: {
 548                 string time;
 549                 string piece;
 550                 time = split(name, piece, '@');
 551                 if (!time.empty() && !QTime::fromString(toqstr(time), Qt::ISODate).isValid())
 552                         return false;
 553                 if (!piece.empty())
 554                         name = piece;
 555         }
 556         // fall through
 557         case InsetInfoParams::TIME_INFO:
 558         case InsetInfoParams::MODTIME_INFO: {
 559                 if (name == "long" || name == "short" || name == "ISO")
 560                         return true;
 561                 else {
 562                         QTime time = QTime::currentTime();
 563                         return !time.toString(toqstr(name)).isEmpty();
 564                 }
 565         }
 566         }
 567
 568         return false;
 569 }
 570
 571
 572 bool InsetInfo::showInsetDialog(BufferView * bv) const
 573 {
 574         bv->showDialog("info");
 575         return true;
 576 }
 577
 578
 579 bool InsetInfo::getStatus(Cursor & cur, FuncRequest const & cmd,
 580                 FuncStatus & flag) const
 581 {
 582         switch (cmd.action()) {
 583         case LFUN_INSET_SETTINGS:
 584                 return InsetCollapsible::getStatus(cur, cmd, flag);
 585
 586         case LFUN_INSET_DIALOG_UPDATE:
 587         case LFUN_INSET_COPY_AS:
 588                 flag.setEnabled(true);
 589                 return true;
 590
 591         case LFUN_INSET_MODIFY:
 592                 if (validateModifyArgument(cmd.argument())) {
 593                         flag.setEnabled(true);
 594                         string typestr;
 595                         string name = trim(split(to_utf8(cmd.argument()), typestr, ' '));
 596                         InsetInfoParams::info_type type = nameTranslator().find(typestr);
 597                         string origname = params_.name;
 598                         if (type == InsetInfoParams::FIXDATE_INFO
 599                             || type == InsetInfoParams::FIXTIME_INFO)
 600                                 split(params_.name, origname, '@');
 601                         flag.setOnOff(type == params_.type && name == origname);
 602                         return true;
 603                 }
 604                 //fall through
 605
 606         default:
 607                 return false;
 608         }
 609 }
 610
 611
 612 void InsetInfo::doDispatch(Cursor & cur, FuncRequest & cmd)
 613 {
 614         switch (cmd.action()) {
 615         case LFUN_INSET_MODIFY:
 616                 cur.recordUndo();
 617                 setInfo(to_utf8(cmd.argument()));
 618                 cur.forceBufferUpdate();
 619                 initialized_ = false;
 620                 break;
 621
 622         case LFUN_INSET_COPY_AS: {
 623                 cap::clearSelection();
 624                 Cursor copy(cur);
 625                 copy.pushBackward(*this);
 626                 copy.pit() = 0;
 627                 copy.pos() = 0;
 628                 copy.resetAnchor();
 629                 copy.pit() = copy.lastpit();
 630                 copy.pos() = copy.lastpos();
 631                 copy.setSelection();
 632                 cap::copySelection(copy);
 633                 break;
 634         }
 635
 636         default:
 637                 InsetCollapsible::doDispatch(cur, cmd);
 638                 break;
 639         }
 640 }
 641
 642
 643 void InsetInfo::setInfo(string const & name)
 644 {
 645         if (name.empty())
 646                 return;
 647
 648         string saved_date_specifier;
 649         // Store old date specifier for potential re-use
 650         if (!params_.name.empty())
 651                 saved_date_specifier = split(params_.name, '@');
 652         // info_type name
 653         string type;
 654         params_.name = trim(split(name, type, ' '));
 655         params_.type = nameTranslator().find(type);
 656         if (params_.name.empty())
 657                 params_.name = defaultValueTranslator().find(params_.type);
 658         if (params_.type == InsetInfoParams::FIXDATE_INFO) {
 659                 string const date_specifier = split(params_.name, '@');
 660                 // If an explicit new fix date is specified, use that
 661                 // Otherwise, use the old one or, if there is none,
 662                 // the current date
 663                 if (date_specifier.empty()) {
 664                         if (saved_date_specifier.empty())
 665                                 params_.name += "@" + fromqstr(QDate::currentDate().toString(Qt::ISODate));
 666                         else
 667                                 params_.name += "@" + saved_date_specifier;
 668                 }
 669         }
 670         else if (params_.type == InsetInfoParams::FIXTIME_INFO) {
 671                 string const time_specifier = split(params_.name, '@');
 672                 // If an explicit new fix time is specified, use that
 673                 // Otherwise, use the old one or, if there is none,
 674                 // the current time
 675                 if (time_specifier.empty()) {
 676                         if (saved_date_specifier.empty())
 677                                 params_.name += "@" + fromqstr(QTime::currentTime().toString(Qt::ISODate));
 678                         else
 679                                 params_.name += "@" + saved_date_specifier;
 680                 }
 681         }
 682 }
 683
 684
 685 void InsetInfo::error(docstring const & err, Language const * lang)
 686 {
 687         setText(bformat(translateIfPossible(err, lang->code()), from_utf8(params_.name)),
 688                 Font(inherit_font, lang), false);
 689 }
 690
 691
 692 void InsetInfo::info(docstring const & err, Language const * lang)
 693 {
 694         setText(translateIfPossible(err, lang->code()),
 695                         Font(inherit_font, lang), false);
 696 }
 697
 698
 699 void InsetInfo::setText(docstring const & str, Language const * lang)
 700 {
 701         setText(str, Font(inherit_font, lang), false);
 702 }
 703
 704
 705 bool InsetInfo::forceLTR() const
 706 {
 707         return params_.force_ltr;
 708 }
 709
 710
 711 void InsetInfo::updateBuffer(ParIterator const & it, UpdateType utype) {
 712         // If the Buffer is a clone, then we neither need nor want to do any
 713         // of what follows. We want, rather, just to inherit how things were
 714         // in the original Buffer. This is especially important for VCS.
 715         // Otherwise, we could in principle have different settings here
 716         // than in the Buffer we were exporting.
 717         if (buffer().isClone())
 718                 return;
 719
 720         BufferParams const & bp = buffer().params();
 721         params_.lang = it.paragraph().getFontSettings(bp, it.pos()).language();
 722         Language const * tryguilang = languages.getFromCode(Messages::guiLanguage());
 723         // Some info insets use the language of the GUI (if available)
 724         Language const * guilang = tryguilang ? tryguilang : params_.lang;
 725
 726         params_.force_ltr = !params_.lang->rightToLeft();
 727         // This is just to get the string into the po files
 728         docstring gui;
 729         switch (params_.type) {
 730         case InsetInfoParams::UNKNOWN_INFO:
 731                 gui = _("Unknown Info!");
 732                 info(from_ascii("Unknown Info!"), params_.lang);
 733                 initialized_ = false;
 734                 break;
 735         case InsetInfoParams::SHORTCUT_INFO:
 736         case InsetInfoParams::SHORTCUTS_INFO: {
 737                 // shortcuts can change, so we need to re-do this each time
 738                 FuncRequest const func = lyxaction.lookupFunc(params_.name);
 739                 if (func.action() == LFUN_UNKNOWN_ACTION) {
 740                         gui = _("Unknown action %1$s");
 741                         error(from_ascii("Unknown action %1$s"), params_.lang);
 742                         break;
 743                 }
 744                 KeyMap::Bindings bindings = theTopLevelKeymap().findBindings(func);
 745                 if (bindings.empty()) {
 746                         gui = _("undefined");
 747                         info(from_ascii("undefined"), params_.lang);
 748                         break;
 749                 }
 750                 if (params_.type == InsetInfoParams::SHORTCUT_INFO)
 751                         setText(bindings.begin()->print(KeySequence::ForGui), guilang);
 752                 else
 753                         setText(theTopLevelKeymap().printBindings(func, KeySequence::ForGui), guilang);
 754                 params_.force_ltr = !guilang->rightToLeft() && !params_.lang->rightToLeft();
 755                 break;
 756         }
 757         case InsetInfoParams::LYXRC_INFO: {
 758                 // this information could change, if the preferences are changed,
 759                 // so we will recalculate each time through.
 760                 ostringstream oss;
 761                 if (params_.name.empty()) {
 762                         gui = _("undefined");
 763                         info(from_ascii("undefined"), params_.lang);
 764                         break;
 765                 }
 766                 // FIXME this uses the serialization mechanism to get the info
 767                 // we want, which i guess works but is a bit strange.
 768                 lyxrc.write(oss, true, params_.name);
 769                 string result = oss.str();
 770                 if (result.size() < 2) {
 771                         gui = _("undefined");
 772                         info(from_ascii("undefined"), params_.lang);
 773                         break;
 774                 }
 775                 string::size_type loc = result.rfind("\n", result.size() - 2);
 776                 loc = loc == string::npos ? 0 : loc + 1;
 777                 if (result.size() < loc + params_.name.size() + 1
 778                           || result.substr(loc + 1, params_.name.size()) != params_.name) {
 779                         gui = _("undefined");
 780                         info(from_ascii("undefined"), params_.lang);
 781                         break;
 782                 }
 783                 // remove leading comments and \\name and space
 784                 result = result.substr(loc + params_.name.size() + 2);
 785
 786                 // remove \n and ""
 787                 result = rtrim(result, "\n");
 788                 result = trim(result, "\"");
 789                 setText(from_utf8(result), params_.lang);
 790                 break;
 791         }
 792         case InsetInfoParams::PACKAGE_INFO:
 793                 // only need to do this once.
 794                 if (initialized_)
 795                         break;
 796                 // check in packages.lst
 797                 if (LaTeXFeatures::isAvailable(params_.name)) {
 798                         gui = _("yes");
 799                         info(from_ascii("yes"), params_.lang);
 800                 } else {
 801                         gui = _("no");
 802                         info(from_ascii("no"), params_.lang);
 803                 }
 804                 initialized_ = true;
 805                 break;
 806
 807         case InsetInfoParams::TEXTCLASS_INFO: {
 808                 // the TextClass can change
 809                 LayoutFileList const & list = LayoutFileList::get();
 810                 bool available = false;
 811                 // params_.name is the class name
 812                 if (list.haveClass(params_.name))
 813                         available = list[params_.name].isTeXClassAvailable();
 814                 if (available) {
 815                         gui = _("yes");
 816                         info(from_ascii("yes"), params_.lang);
 817                 } else {
 818                         gui = _("no");
 819                         info(from_ascii("no"), params_.lang);
 820                 }
 821                 break;
 822         }
 823         case InsetInfoParams::MENU_INFO: {
 824                 // only need to do this once.
 825                 if (initialized_)
 826                         break;
 827                 // and we will not keep trying if we fail
 828                 initialized_ = true;
 829                 docstring_list names;
 830                 FuncRequest const func = lyxaction.lookupFunc(params_.name);
 831                 if (func.action() == LFUN_UNKNOWN_ACTION) {
 832                         gui = _("Unknown action %1$s");
 833                         error(from_ascii("Unknown action %1$s"), params_.lang);
 834                         break;
 835                 }
 836                 // iterate through the menubackend to find it
 837                 if (!theApp()) {
 838                         gui = _("Can't determine menu entry for action %1$s in batch mode");
 839                         error(from_ascii("Can't determine menu entry for action %1$s in batch mode"), params_.lang);
 840                         break;
 841                 }
 842                 if (!theApp()->searchMenu(func, names)) {
 843                         gui = _("No menu entry for action %1$s");
 844                         error(from_ascii("No menu entry for action %1$s"), params_.lang);
 845                         break;
 846                 }
 847                 // if found, return its path.
 848                 clear();
 849                 Paragraph & par = paragraphs().front();
 850                 Font const f(inherit_font, guilang);
 851                 params_.force_ltr = !guilang->rightToLeft();
 852                 //Font fu = f;
 853                 //fu.fontInfo().setUnderbar(FONT_ON);
 854                 for (docstring const & name : names) {
 855                         // do not insert > for the top level menu item
 856                         if (&name != &names.front())
 857                                 par.insertInset(par.size(), new InsetSpecialChar(InsetSpecialChar::MENU_SEPARATOR),
 858                                                 f, Change(Change::UNCHANGED));
 859                         //FIXME: add proper underlines here. This
 860                         // involves rewriting searchMenu used above to
 861                         // return a vector of menus. If we do not do
 862                         // that, we might as well use below
 863                         // Paragraph::insert on each string (JMarc)
 864                         for (char_type c : name)
 865                                 par.insertChar(par.size(), c, f, Change(Change::UNCHANGED));
 866                 }
 867                 break;
 868         }
 869         case InsetInfoParams::ICON_INFO: {
 870                 // only need to do this once.
 871                 if (initialized_)
 872                         break;
 873                 // and we will not keep trying if we fail
 874                 initialized_ = true;
 875                 FuncRequest func = lyxaction.lookupFunc(params_.name);
 876                 docstring icon_name = frontend::Application::iconName(func, true);
 877                 // FIXME: We should use the icon directly instead of
 878                 // going through FileName. The code below won't work
 879                 // if the icon is embedded in the executable through
 880                 // the Qt resource system.
 881                 // This is only a negligible performance problem:
 882                 // If the installed icon differs from the resource icon the
 883                 // installed one is preferred anyway, and all icons that are
 884                 // embedded in the resources are installed as well.
 885                 FileName file(to_utf8(icon_name));
 886                 if (file.onlyFileNameWithoutExt() == "unknown") {
 887                         string dir = "images";
 888                         FileName file2(imageLibFileSearch(dir, params_.name, "svgz,png"));
 889                         if (!file2.empty())
 890                                 file = file2;
 891                 }
 892                 if (!file.exists())
 893                         break;
 894                 int percent_scale = 100;
 895                 if (use_gui) {
 896                         // Compute the scale factor for the icon such that its
 897                         // width on screen is equal to 1em in pixels.
 898                         // The scale factor is rounded to the integer nearest
 899                         // to the float value of the ratio 100*iconsize/imgsize.
 900                         int imgsize = QImage(toqstr(file.absFileName())).width();
 901                         if (imgsize > 0) {
 902                                 int iconsize = Length(1, Length::EM).inPixels(1);
 903                                 percent_scale = (100 * iconsize + imgsize / 2)/imgsize;
 904                         }
 905                 }
 906                 InsetGraphics * inset = new InsetGraphics(buffer_);
 907                 InsetGraphicsParams igp;
 908                 igp.filename = file;
 909                 igp.lyxscale = percent_scale;
 910                 igp.scale = string();
 911                 igp.width = Length(1, Length::EM);
 912                 inset->setParams(igp);
 913                 clear();
 914                 Font const f(inherit_font, params_.lang);
 915                 paragraphs().front().insertInset(0, inset, f,
 916                                                  Change(Change::UNCHANGED));
 917                 break;
 918         }
 919         case InsetInfoParams::BUFFER_INFO: {
 920                 // this could all change, so we will recalculate each time
 921                 if (params_.name == "name")
 922                         setText(from_utf8(buffer().fileName().onlyFileName()), params_.lang);
 923                 else if (params_.name == "name-noext")
 924                         setText(from_utf8(buffer().fileName().onlyFileNameWithoutExt()), params_.lang);
 925                 else if (params_.name == "path")
 926                         setText(from_utf8(os::latex_path(buffer().filePath())), params_.lang);
 927                 else if (params_.name == "class")
 928                         setText(from_utf8(bp.documentClass().name()), params_.lang);
 929                 break;
 930         }
 931         case InsetInfoParams::VCS_INFO: {
 932                 // this information could change, in principle, so we will
 933                 // recalculate each time through
 934                 if (!buffer().lyxvc().inUse()) {
 935                         gui = _("No version control!");
 936                         info(from_ascii("No version control!"), params_.lang);
 937                         break;
 938                 }
 939                 LyXVC::RevisionInfo itype = LyXVC::Unknown;
 940                 if (params_.name == "revision")
 941                         itype = LyXVC::File;
 942                 else if (params_.name == "tree-revision")
 943                         itype = LyXVC::Tree;
 944                 else if (params_.name == "author")
 945                         itype = LyXVC::Author;
 946                 else if (params_.name == "time")
 947                         itype = LyXVC::Time;
 948                 else if (params_.name == "date")
 949                         itype = LyXVC::Date;
 950                 string binfo = buffer().lyxvc().revisionInfo(itype);
 951                 if (binfo.empty()) {
 952                         gui = _("%1$s[[vcs data]] unknown");
 953                         error(from_ascii("%1$s[[vcs data]] unknown"), params_.lang);
 954                 } else
 955                         setText(from_utf8(binfo), params_.lang);
 956                 break;
 957         }
 958         case InsetInfoParams::LYX_INFO:
 959                 // only need to do this once.
 960                 if (initialized_)
 961                         break;
 962                 if (params_.name == "version")
 963                         setText(from_ascii(lyx_version), params_.lang);
 964                 initialized_ = true;
 965                 break;
 966         case InsetInfoParams::DATE_INFO:
 967         case InsetInfoParams::MODDATE_INFO:
 968         case InsetInfoParams::FIXDATE_INFO: {
 969                 string date_format = params_.name;
 970                 string const date_specifier = (params_.type == InsetInfoParams::FIXDATE_INFO
 971                                                && contains(params_.name, '@'))
 972                                 ? split(params_.name, date_format, '@') : string();
 973                 QDate date;
 974                 if (params_.type == InsetInfoParams::MODDATE_INFO)
 975                         date = QDateTime::fromTime_t(buffer().fileName().lastModified()).date();
 976                 else if (params_.type == InsetInfoParams::FIXDATE_INFO && !date_specifier.empty())
 977                         date = QDate::fromString(toqstr(date_specifier), Qt::ISODate);
 978                 else
 979                         date = QDate::currentDate();
 980                 setText(params_.getDate(date_format, date), params_.lang);
 981                 break;
 982         }
 983         case InsetInfoParams::TIME_INFO:
 984         case InsetInfoParams::MODTIME_INFO:
 985         case InsetInfoParams::FIXTIME_INFO: {
 986                 string time_format = params_.name;
 987                 string const time_specifier = (params_.type == InsetInfoParams::FIXTIME_INFO
 988                                                && contains(params_.name, '@'))
 989                                 ? split(params_.name, time_format, '@') : string();
 990                 QTime time;
 991                 if (params_.type == InsetInfoParams::MODTIME_INFO)
 992                         time = QDateTime::fromTime_t(buffer().fileName().lastModified()).time();
 993                 else if (params_.type == InsetInfoParams::FIXTIME_INFO && !time_specifier.empty())
 994                         time = QTime::fromString(toqstr(time_specifier), Qt::ISODate);
 995                 else
 996                         time = QTime::currentTime();
 997                 setText(params_.getTime(time_format, time), params_.lang);
 998                 break;
 999         }
1000         }
1001
1002         // Just to do something with that string
1003         LYXERR(Debug::INFO, "info inset text: " << gui);
1004         InsetCollapsible::updateBuffer(it, utype);
1005 }
1006
1007
1008 string InsetInfo::contextMenu(BufferView const &, int, int) const
1009 {
1010         //FIXME: We override the implementation of InsetCollapsible,
1011         //because this inset is not a collapsible inset.
1012         return contextMenuName();
1013 }
1014
1015
1016 string InsetInfo::contextMenuName() const
1017 {
1018         return "context-info";
1019 }
1020
1021
1022 } // namespace lyx