src/insets/InsetBox.cpp

   1 /**
   2  * \file InsetBox.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author Martin Vermeer
   8  * \author Jürgen Spitzmüller
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "InsetBox.h"
  16
  17 #include "Buffer.h"
  18 #include "BufferParams.h"
  19 #include "BufferView.h"
  20 #include "Cursor.h"
  21 #include "DispatchResult.h"
  22 #include "FuncStatus.h"
  23 #include "FuncRequest.h"
  24 #include "support/gettext.h"
  25 #include "LaTeXFeatures.h"
  26 #include "Lexer.h"
  27 #include "MetricsInfo.h"
  28 #include "TextClass.h"
  29
  30 #include "support/debug.h"
  31 #include "support/Translator.h"
  32
  33 #include <sstream>
  34
  35 using namespace std;
  36
  37 namespace lyx {
  38
  39 namespace {
  40
  41 typedef Translator<string, InsetBox::BoxType> BoxTranslator;
  42 typedef Translator<docstring, InsetBox::BoxType> BoxTranslatorLoc;
  43
  44 BoxTranslator const init_boxtranslator()
  45 {
  46         BoxTranslator translator("Boxed", InsetBox::Boxed);
  47         translator.addPair("Frameless", InsetBox::Frameless);
  48         translator.addPair("Framed", InsetBox::Framed);
  49         translator.addPair("ovalbox", InsetBox::ovalbox);
  50         translator.addPair("Ovalbox", InsetBox::Ovalbox);
  51         translator.addPair("Shadowbox", InsetBox::Shadowbox);
  52         translator.addPair("Shaded", InsetBox::Shaded);
  53         translator.addPair("Doublebox",InsetBox::Doublebox);
  54         return translator;
  55 }
  56
  57
  58 BoxTranslatorLoc const init_boxtranslator_loc()
  59 {
  60         BoxTranslatorLoc translator(_("simple frame"), InsetBox::Boxed);
  61         translator.addPair(_("frameless"), InsetBox::Frameless);
  62         translator.addPair(_("simple frame, page breaks"), InsetBox::Framed);
  63         translator.addPair(_("oval, thin"), InsetBox::ovalbox);
  64         translator.addPair(_("oval, thick"), InsetBox::Ovalbox);
  65         translator.addPair(_("drop shadow"), InsetBox::Shadowbox);
  66         translator.addPair(_("shaded background"), InsetBox::Shaded);
  67         translator.addPair(_("double frame"), InsetBox::Doublebox);
  68         return translator;
  69 }
  70
  71
  72 BoxTranslator const & boxtranslator()
  73 {
  74         static BoxTranslator translator = init_boxtranslator();
  75         return translator;
  76 }
  77
  78
  79 BoxTranslatorLoc const & boxtranslator_loc()
  80 {
  81         static BoxTranslatorLoc translator = init_boxtranslator_loc();
  82         return translator;
  83 }
  84
  85 } // anon
  86
  87
  88 InsetBox::InsetBox(Buffer const & buffer, string const & label)
  89         : InsetCollapsable(buffer), params_(label)
  90 {
  91         if (forceEmptyLayout())
  92                 paragraphs().back().setLayout(buffer.params().documentClass().emptyLayout());
  93 }
  94
  95
  96 InsetBox::~InsetBox()
  97 {
  98         InsetBoxMailer(*this).hideDialog();
  99 }
 100
 101
 102 docstring InsetBox::editMessage() const
 103 {
 104         return _("Opened Box Inset");
 105 }
 106
 107
 108 docstring InsetBox::name() const
 109 {
 110         // FIXME: UNICODE
 111         string name = "Box";
 112         if (boxtranslator().find(params_.type) == Shaded)
 113                 name += string(":Shaded");
 114         return from_ascii(name);
 115 }
 116
 117
 118 void InsetBox::write(ostream & os) const
 119 {
 120         params_.write(os);
 121         InsetCollapsable::write(os);
 122 }
 123
 124
 125 void InsetBox::read(Lexer & lex)
 126 {
 127         params_.read(lex);
 128         InsetCollapsable::read(lex);
 129 }
 130
 131
 132 void InsetBox::setButtonLabel()
 133 {
 134         BoxType btype = boxtranslator().find(params_.type);
 135
 136         docstring label;
 137         label += _("Box");
 138         label += " (";
 139         if (btype == Frameless) {
 140                 if (params_.use_parbox)
 141                         label += _("Parbox");
 142                 else
 143                         label += _("Minipage");
 144         } else
 145                 label += boxtranslator_loc().find(btype);
 146         label += ")";
 147
 148         setLabel(label);
 149 }
 150
 151
 152 bool InsetBox::hasFixedWidth() const
 153 {
 154         return params_.inner_box || params_.special != "width";
 155 }
 156
 157
 158 void InsetBox::metrics(MetricsInfo & m, Dimension & dim) const
 159 {
 160         // back up textwidth.
 161         int textwidth_backup = m.base.textwidth;
 162         if (hasFixedWidth())
 163                 m.base.textwidth = params_.width.inPixels(m.base.textwidth);
 164         InsetCollapsable::metrics(m, dim);
 165         // retore textwidth.
 166         m.base.textwidth = textwidth_backup;
 167 }
 168
 169
 170 bool InsetBox::forceEmptyLayout(idx_type) const
 171 {
 172         return !params_.inner_box;
 173 }
 174
 175
 176 bool InsetBox::showInsetDialog(BufferView * bv) const
 177 {
 178         InsetBoxMailer(const_cast<InsetBox &>(*this)).showDialog(bv);
 179         return true;
 180 }
 181
 182
 183 void InsetBox::doDispatch(Cursor & cur, FuncRequest & cmd)
 184 {
 185         switch (cmd.action) {
 186
 187         case LFUN_INSET_MODIFY: {
 188                 //lyxerr << "InsetBox::dispatch MODIFY" << endl;
 189                 if (cmd.getArg(0) == "changetype")
 190                         params_.type = cmd.getArg(1);
 191                 else
 192                         InsetBoxMailer::string2params(to_utf8(cmd.argument()), params_);
 193                 setLayout(cur.buffer().params());
 194                 break;
 195         }
 196
 197         case LFUN_INSET_DIALOG_UPDATE:
 198                 InsetBoxMailer(*this).updateDialog(&cur.bv());
 199                 break;
 200
 201         default:
 202                 InsetCollapsable::doDispatch(cur, cmd);
 203                 break;
 204         }
 205 }
 206
 207
 208 bool InsetBox::getStatus(Cursor & cur, FuncRequest const & cmd,
 209                 FuncStatus & flag) const
 210 {
 211         switch (cmd.action) {
 212
 213         case LFUN_INSET_MODIFY:
 214                 if (cmd.getArg(0) == "changetype")
 215                         flag.setOnOff(cmd.getArg(1) == params_.type);
 216                 else
 217                         flag.enabled(true);
 218                 return true;
 219         case LFUN_INSET_DIALOG_UPDATE:
 220                 flag.enabled(true);
 221                 return true;
 222         case LFUN_BREAK_PARAGRAPH:
 223                 if (params_.inner_box) {
 224                         return InsetCollapsable::getStatus(cur, cmd, flag);
 225                 } else {
 226                         flag.enabled(false);
 227                         return true;
 228                 }
 229
 230         default:
 231                 return InsetCollapsable::getStatus(cur, cmd, flag);
 232         }
 233 }
 234
 235
 236 int InsetBox::latex(odocstream & os, OutputParams const & runparams) const
 237 {
 238         BoxType btype = boxtranslator().find(params_.type);
 239
 240         string width_string = params_.width.asLatexString();
 241         bool stdwidth = false;
 242         if (params_.inner_box &&
 243                         (width_string.find("1.0\\columnwidth") != string::npos
 244                         || width_string.find("1.0\\textwidth") != string::npos)) {
 245                 stdwidth = true;
 246                 switch (btype) {
 247                 case Frameless:
 248                 case Framed:
 249                         break;
 250                 case Boxed:
 251                 case Shaded:
 252                         width_string += " - 2\\fboxsep - 2\\fboxrule";
 253                         break;
 254                 case ovalbox:
 255                         width_string += " - 2\\fboxsep - 0.8pt";
 256                         break;
 257                 case Ovalbox:
 258                         width_string += " - 2\\fboxsep - 1.6pt";
 259                         break;
 260                 case Shadowbox:
 261                         // Shadow falls outside right margin... opinions?
 262                         width_string += " - 2\\fboxsep - 2\\fboxrule"/* "-\\shadowsize"*/;
 263                         break;
 264                 case Doublebox:
 265                         width_string += " - 2\\fboxsep - 7.5\\fboxrule - 1pt";
 266                         break;
 267                 }
 268         }
 269
 270         int i = 0;
 271         os << "%\n";
 272         // Adapt to column/text width correctly also if paragraphs indented:
 273         if (stdwidth)
 274                 os << "\\noindent";
 275
 276         switch (btype) {
 277         case Frameless:
 278                 break;
 279         case Framed:
 280                 os << "\\begin{framed}%\n";
 281                 i += 1;
 282                 break;
 283         case Boxed:
 284                 os << "\\framebox";
 285                 if (!params_.inner_box) {
 286                         os << "{\\makebox";
 287                         // Special widths, see usrguide §3.5
 288                         // FIXME UNICODE
 289                         if (params_.special != "none") {
 290                                 os << "[" << params_.width.value()
 291                                    << '\\' << from_utf8(params_.special)
 292                                    << ']';
 293                         } else
 294                                 os << '[' << from_ascii(width_string)
 295                                    << ']';
 296                         if (params_.hor_pos != 'c')
 297                                 os << "[" << params_.hor_pos << "]";
 298                 }
 299
 300                 os << "{";
 301                 break;
 302         case ovalbox:
 303                 os << "\\ovalbox{";
 304                 break;
 305         case Ovalbox:
 306                 os << "\\Ovalbox{";
 307                 break;
 308         case Shadowbox:
 309                 os << "\\shadowbox{";
 310                 break;
 311         case Shaded:
 312                 // later
 313                 break;
 314         case Doublebox:
 315                 os << "\\doublebox{";
 316                 break;
 317         }
 318
 319         if (params_.inner_box) {
 320                 if (params_.use_parbox)
 321                         os << "\\parbox";
 322                 else
 323                         os << "\\begin{minipage}";
 324
 325                 os << "[" << params_.pos << "]";
 326                 if (params_.height_special == "none") {
 327                         // FIXME UNICODE
 328                         os << "[" << from_ascii(params_.height.asLatexString()) << "]";
 329                 } else {
 330                         // Special heights
 331                         // set no optional argument when the value is the default "1\height"
 332                         // (special units like \height are handled as "in")
 333                         // but when the user has chosen a non-default inner_pos, the height
 334                         // must be given: \minipage[pos][height][inner-pos]{width}
 335                         if ((params_.height != Length("1in") ||
 336                                  params_.height_special != "totalheight") ||
 337                                 params_.inner_pos != params_.pos) {
 338                                 // FIXME UNICODE
 339                                 os << "[" << params_.height.value()
 340                                         << "\\" << from_utf8(params_.height_special) << "]";
 341                         }
 342                 }
 343                 if (params_.inner_pos != params_.pos)
 344                         os << "[" << params_.inner_pos << "]";
 345
 346                 // FIXME UNICODE
 347                 os << '{' << from_ascii(width_string) << '}';
 348
 349                 if (params_.use_parbox)
 350                         os << "{";
 351                 os << "%\n";
 352                 i += 1;
 353         }
 354         if (btype == Shaded)
 355                 os << "\\begin{shaded}%\n";
 356                 i += 1;
 357
 358         i += InsetText::latex(os, runparams);
 359
 360         if (btype == Shaded)
 361                 os << "\\end{shaded}";
 362
 363         if (params_.inner_box) {
 364                 if (params_.use_parbox)
 365                         os << "%\n}";
 366                 else
 367                         os << "%\n\\end{minipage}";
 368         }
 369
 370         switch (btype) {
 371         case Frameless:
 372                 break;
 373         case Framed:
 374                 os << "\\end{framed}";
 375                 break;
 376         case Boxed:
 377                 if (!params_.inner_box)
 378                         os << "}"; // for makebox
 379                 os << "}";
 380                 break;
 381         case ovalbox:
 382         case Ovalbox:
 383         case Doublebox:
 384         case Shadowbox:
 385                 os << "}";
 386                 break;
 387         case Shaded:
 388                 // already done
 389                 break;
 390         }
 391
 392         i += 2;
 393
 394         return i;
 395 }
 396
 397
 398 int InsetBox::plaintext(odocstream & os, OutputParams const & runparams) const
 399 {
 400         BoxType const btype = boxtranslator().find(params_.type);
 401
 402         switch (btype) {
 403                 case Frameless:
 404                         break;
 405                 case Framed:
 406                 case Boxed:
 407                         os << "[\n";
 408                         break;
 409                 case ovalbox:
 410                         os << "(\n";
 411                         break;
 412                 case Ovalbox:
 413                         os << "((\n";
 414                         break;
 415                 case Shadowbox:
 416                 case Shaded:
 417                         os << "[/\n";
 418                         break;
 419                 case Doublebox:
 420                         os << "[[\n";
 421                         break;
 422         }
 423
 424         InsetText::plaintext(os, runparams);
 425
 426         int len = 0;
 427         switch (btype) {
 428                 case Frameless:
 429                         os << "\n";
 430                         break;
 431                 case Framed:
 432                 case Boxed:
 433                         os << "\n]";
 434                         len = 1;
 435                         break;
 436                 case ovalbox:
 437                         os << "\n)";
 438                         len = 1;
 439                         break;
 440                 case Ovalbox:
 441                         os << "\n))";
 442                         len = 2;
 443                         break;
 444                 case Shadowbox:
 445                 case Shaded:
 446                         os << "\n/]";
 447                         len = 2;
 448                         break;
 449                 case Doublebox:
 450                         os << "\n]]";
 451                         len = 2;
 452                         break;
 453         }
 454
 455         return PLAINTEXT_NEWLINE + len; // len chars on a separate line
 456 }
 457
 458
 459 int InsetBox::docbook(odocstream & os, OutputParams const & runparams) const
 460 {
 461         return InsetText::docbook(os, runparams);
 462 }
 463
 464
 465 void InsetBox::validate(LaTeXFeatures & features) const
 466 {
 467         BoxType btype = boxtranslator().find(params_.type);
 468         switch (btype) {
 469         case Frameless:
 470                 break;
 471         case Framed:
 472                 features.require("framed");
 473                 break;
 474         case Boxed:
 475                 features.require("calc");
 476                 break;
 477         case ovalbox:
 478         case Ovalbox:
 479         case Shadowbox:
 480         case Doublebox:
 481                 features.require("calc");
 482                 features.require("fancybox");
 483                 break;
 484         case Shaded:
 485                 features.require("color");
 486                 features.require("framed");
 487                 break;
 488         }
 489         InsetText::validate(features);
 490 }
 491
 492
 493 docstring InsetBox::contextMenu(BufferView const &, int, int) const
 494 {
 495         return from_ascii("context-box");
 496 }
 497
 498
 499 InsetBoxMailer::InsetBoxMailer(InsetBox & inset)
 500         : inset_(inset)
 501 {}
 502
 503
 504 string const InsetBoxMailer::name_ = "box";
 505
 506
 507 string const InsetBoxMailer::inset2string(Buffer const &) const
 508 {
 509         return params2string(inset_.params());
 510 }
 511
 512
 513 string const InsetBoxMailer::params2string(InsetBoxParams const & params)
 514 {
 515         ostringstream data;
 516         data << "box" << ' ';
 517         params.write(data);
 518         return data.str();
 519 }
 520
 521
 522 void InsetBoxMailer::string2params(string const & in,
 523                                    InsetBoxParams & params)
 524 {
 525         params = InsetBoxParams(string());
 526         if (in.empty())
 527                 return;
 528
 529         istringstream data(in);
 530         Lexer lex(0,0);
 531         lex.setStream(data);
 532
 533         string name;
 534         lex >> name;
 535         if (!lex || name != name_)
 536                 return print_mailer_error("InsetBoxMailer", in, 1, name_);
 537
 538         // This is part of the inset proper that is usually swallowed
 539         // by Text::readInset
 540         string id;
 541         lex >> id;
 542         if (!lex || id != "Box")
 543                 return print_mailer_error("InsetBoxMailer", in, 2, "Box");
 544
 545         params.read(lex);
 546 }
 547
 548
 549 InsetBoxParams::InsetBoxParams(string const & label)
 550         : type(label),
 551           use_parbox(false),
 552           inner_box(true),
 553           width(Length("100col%")),
 554           special("none"),
 555           pos('t'),
 556           hor_pos('c'),
 557           inner_pos('t'),
 558           height(Length("1in")),
 559           height_special("totalheight") // default is 1\\totalheight
 560 {}
 561
 562
 563 void InsetBoxParams::write(ostream & os) const
 564 {
 565         os << "Box " << type << "\n";
 566         os << "position \"" << pos << "\"\n";
 567         os << "hor_pos \"" << hor_pos << "\"\n";
 568         os << "has_inner_box " << inner_box << "\n";
 569         os << "inner_pos \"" << inner_pos << "\"\n";
 570         os << "use_parbox " << use_parbox << "\n";
 571         os << "width \"" << width.asString() << "\"\n";
 572         os << "special \"" << special << "\"\n";
 573         os << "height \"" << height.asString() << "\"\n";
 574         os << "height_special \"" << height_special << "\"\n";
 575 }
 576
 577
 578 void InsetBoxParams::read(Lexer & lex)
 579 {
 580         if (!lex.isOK())
 581                 return;
 582
 583         lex.next();
 584         type = lex.getString();
 585
 586         if (!lex)
 587                 return;
 588
 589         lex.next();
 590         string token;
 591         token = lex.getString();
 592         if (!lex)
 593                 return;
 594         if (token == "position") {
 595                 lex.next();
 596                 // The [0] is needed. We need the first and only char in
 597                 // this string -- MV
 598                 pos = lex.getString()[0];
 599         } else {
 600                 lyxerr << "InsetBox::Read: Missing 'position'-tag!" << token << endl;
 601                 lex.pushToken(token);
 602         }
 603
 604         lex.next();
 605         token = lex.getString();
 606         if (!lex)
 607                 return;
 608         if (token == "hor_pos") {
 609                 lex.next();
 610                 hor_pos = lex.getString()[0];
 611         } else {
 612                 lyxerr << "InsetBox::Read: Missing 'hor_pos'-tag!" << token << endl;
 613                 lex.pushToken(token);
 614         }
 615
 616         lex.next();
 617         token = lex.getString();
 618         if (!lex)
 619                 return;
 620         if (token == "has_inner_box") {
 621                 lex.next();
 622                 inner_box = lex.getInteger();
 623         } else {
 624                 lyxerr << "InsetBox::Read: Missing 'has_inner_box'-tag!" << endl;
 625                 lex.pushToken(token);
 626         }
 627
 628         lex.next();
 629         token = lex.getString();
 630         if (!lex)
 631                 return;
 632         if (token == "inner_pos") {
 633                 lex.next();
 634                 inner_pos = lex.getString()[0];
 635         } else {
 636                 lyxerr << "InsetBox::Read: Missing 'inner_pos'-tag!"
 637                         << token << endl;
 638                 lex.pushToken(token);
 639         }
 640
 641         lex.next();
 642         token = lex.getString();
 643         if (!lex)
 644                 return;
 645         if (token == "use_parbox") {
 646                 lex.next();
 647                 use_parbox = lex.getInteger();
 648         } else {
 649                 lyxerr << "InsetBox::Read: Missing 'use_parbox'-tag!" << endl;
 650                 lex.pushToken(token);
 651         }
 652
 653         lex.next();
 654         token = lex.getString();
 655         if (!lex)
 656                 return;
 657         if (token == "width") {
 658                 lex.next();
 659                 width = Length(lex.getString());
 660         } else {
 661                 lyxerr << "InsetBox::Read: Missing 'width'-tag!" << endl;
 662                 lex.pushToken(token);
 663         }
 664
 665         lex.next();
 666         token = lex.getString();
 667         if (!lex)
 668                 return;
 669         if (token == "special") {
 670                 lex.next();
 671                 special = lex.getString();
 672         } else {
 673                 lyxerr << "InsetBox::Read: Missing 'special'-tag!" << endl;
 674                 lex.pushToken(token);
 675         }
 676
 677         lex.next();
 678         token = lex.getString();
 679         if (!lex)
 680                 return;
 681         if (token == "height") {
 682                 lex.next();
 683                 height = Length(lex.getString());
 684         } else {
 685                 lyxerr << "InsetBox::Read: Missing 'height'-tag!" << endl;
 686                 lex.pushToken(token);
 687         }
 688
 689         lex.next();
 690         token = lex.getString();
 691         if (!lex)
 692                 return;
 693         if (token == "height_special") {
 694                 lex.next();
 695                 height_special = lex.getString();
 696         } else {
 697                 lyxerr << "InsetBox::Read: Missing 'height_special'-tag!" << endl;
 698                 lex.pushToken(token);
 699         }
 700 }
 701
 702
 703 } // namespace lyx