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 "LaTeXFeatures.h"
  25 #include "Lexer.h"
  26 #include "MetricsInfo.h"
  27 #include "output_xhtml.h"
  28 #include "TextClass.h"
  29
  30 #include "support/debug.h"
  31 #include "support/docstream.h"
  32 #include "support/gettext.h"
  33 #include "support/lstrings.h"
  34 #include "support/Translator.h"
  35
  36 #include "frontends/Application.h"
  37
  38 #include <sstream>
  39
  40 using namespace std;
  41 using namespace lyx::support;
  42
  43 namespace lyx {
  44
  45 namespace {
  46
  47 typedef Translator<string, InsetBox::BoxType> BoxTranslator;
  48 typedef Translator<docstring, InsetBox::BoxType> BoxTranslatorLoc;
  49
  50 BoxTranslator initBoxtranslator()
  51 {
  52         BoxTranslator translator("Boxed", InsetBox::Boxed);
  53         translator.addPair("Frameless", InsetBox::Frameless);
  54         translator.addPair("Framed", InsetBox::Framed);
  55         translator.addPair("ovalbox", InsetBox::ovalbox);
  56         translator.addPair("Ovalbox", InsetBox::Ovalbox);
  57         translator.addPair("Shadowbox", InsetBox::Shadowbox);
  58         translator.addPair("Shaded", InsetBox::Shaded);
  59         translator.addPair("Doublebox",InsetBox::Doublebox);
  60         return translator;
  61 }
  62
  63
  64 BoxTranslatorLoc initBoxtranslatorLoc()
  65 {
  66         BoxTranslatorLoc translator(_("simple frame"), InsetBox::Boxed);
  67         translator.addPair(_("frameless"), InsetBox::Frameless);
  68         translator.addPair(_("simple frame, page breaks"), InsetBox::Framed);
  69         translator.addPair(_("oval, thin"), InsetBox::ovalbox);
  70         translator.addPair(_("oval, thick"), InsetBox::Ovalbox);
  71         translator.addPair(_("drop shadow"), InsetBox::Shadowbox);
  72         translator.addPair(_("shaded background"), InsetBox::Shaded);
  73         translator.addPair(_("double frame"), InsetBox::Doublebox);
  74         return translator;
  75 }
  76
  77
  78 BoxTranslator const & boxtranslator()
  79 {
  80         static BoxTranslator translator = initBoxtranslator();
  81         return translator;
  82 }
  83
  84
  85 BoxTranslatorLoc const & boxtranslator_loc()
  86 {
  87         static BoxTranslatorLoc translator = initBoxtranslatorLoc();
  88         return translator;
  89 }
  90
  91 } // namespace anon
  92
  93
  94 /////////////////////////////////////////////////////////////////////////
  95 //
  96 // InsetBox
  97 //
  98 /////////////////////////////////////////////////////////////////////////
  99
 100 InsetBox::InsetBox(Buffer * buffer, string const & label)
 101         : InsetCollapsable(buffer), params_(label)
 102 {}
 103
 104
 105 docstring InsetBox::layoutName() const
 106 {
 107         // FIXME: UNICODE
 108         return from_ascii("Box:" + params_.type);
 109 }
 110
 111
 112 void InsetBox::write(ostream & os) const
 113 {
 114         params_.write(os);
 115         InsetCollapsable::write(os);
 116 }
 117
 118
 119 void InsetBox::read(Lexer & lex)
 120 {
 121         params_.read(lex);
 122         InsetCollapsable::read(lex);
 123 }
 124
 125
 126 void InsetBox::setButtonLabel()
 127 {
 128         BoxType const btype = boxtranslator().find(params_.type);
 129
 130         docstring const type = _("Box");
 131
 132         docstring inner;
 133         if (params_.inner_box) {
 134                 if (params_.use_parbox)
 135                         inner = _("Parbox");
 136                 else if (params_.use_makebox)
 137                         inner = _("Makebox");
 138                 else
 139                         inner = _("Minipage");
 140         }
 141
 142         docstring frame;
 143         if (btype != Frameless)
 144                 frame = boxtranslator_loc().find(btype);
 145
 146         docstring label;
 147         if (inner.empty() && frame.empty())
 148                 label = type;
 149         else if (inner.empty())
 150                 label = bformat(_("%1$s (%2$s)"),
 151                         type, frame);
 152         else if (frame.empty())
 153                 label = bformat(_("%1$s (%2$s)"),
 154                         type, inner);
 155         else
 156                 label = bformat(_("%1$s (%2$s, %3$s)"),
 157                         type, inner, frame);
 158         setLabel(label);
 159 }
 160
 161
 162 bool InsetBox::hasFixedWidth() const
 163 {
 164         return params_.inner_box || params_.special != "width";
 165 }
 166
 167
 168 void InsetBox::metrics(MetricsInfo & m, Dimension & dim) const
 169 {
 170         // back up textwidth.
 171         int textwidth_backup = m.base.textwidth;
 172         if (hasFixedWidth())
 173                 m.base.textwidth = params_.width.inPixels(m.base.textwidth);
 174         InsetCollapsable::metrics(m, dim);
 175         // retore textwidth.
 176         m.base.textwidth = textwidth_backup;
 177 }
 178
 179
 180 bool InsetBox::forcePlainLayout(idx_type) const
 181 {
 182         return (!params_.inner_box || params_.use_makebox)
 183                 && params_.type != "Shaded" && params_.type != "Framed";
 184 }
 185
 186
 187 void InsetBox::doDispatch(Cursor & cur, FuncRequest & cmd)
 188 {
 189         switch (cmd.action()) {
 190
 191         case LFUN_INSET_MODIFY: {
 192                 //lyxerr << "InsetBox::dispatch MODIFY" << endl;
 193                 cur.recordUndoInset(ATOMIC_UNDO, this);
 194                 if (cmd.getArg(0) == "changetype") {
 195                         params_.type = cmd.getArg(1);
 196                 } else
 197                         string2params(to_utf8(cmd.argument()), params_);
 198                 setButtonLabel();
 199                 break;
 200         }
 201
 202         default:
 203                 InsetCollapsable::doDispatch(cur, cmd);
 204                 break;
 205         }
 206 }
 207
 208
 209 bool InsetBox::getStatus(Cursor & cur, FuncRequest const & cmd,
 210                 FuncStatus & flag) const
 211 {
 212         switch (cmd.action()) {
 213
 214         case LFUN_INSET_MODIFY:
 215                 if (cmd.getArg(0) == "changetype")
 216                         flag.setOnOff(cmd.getArg(1) == params_.type);
 217                 flag.setEnabled(true);
 218                 return true;
 219
 220         case LFUN_INSET_DIALOG_UPDATE:
 221                 flag.setEnabled(true);
 222                 return true;
 223
 224         case LFUN_BREAK_PARAGRAPH:
 225                 if ((params_.inner_box && !params_.use_makebox)
 226                      || params_.type == "Shaded" || params_.type == "Framed")
 227                         return InsetCollapsable::getStatus(cur, cmd, flag);
 228                 flag.setEnabled(false);
 229                 return true;
 230
 231         default:
 232                 return InsetCollapsable::getStatus(cur, cmd, flag);
 233         }
 234 }
 235
 236
 237 void InsetBox::latex(otexstream & os, OutputParams const & runparams) const
 238 {
 239         BoxType btype = boxtranslator().find(params_.type);
 240
 241         string width_string = params_.width.asLatexString();
 242         bool stdwidth = false;
 243         if (params_.inner_box &&
 244                         (width_string.find("1.0\\columnwidth") != string::npos
 245                         || width_string.find("1.0\\textwidth") != string::npos)) {
 246                 stdwidth = true;
 247                 switch (btype) {
 248                 case Frameless:
 249                 case Framed:
 250                         break;
 251                 case Boxed:
 252                 case Shaded:
 253                         width_string += " - 2\\fboxsep - 2\\fboxrule";
 254                         break;
 255                 case ovalbox:
 256                         width_string += " - 2\\fboxsep - 0.8pt";
 257                         break;
 258                 case Ovalbox:
 259                         width_string += " - 2\\fboxsep - 1.6pt";
 260                         break;
 261                 case Shadowbox:
 262                         // Shadow falls outside right margin... opinions?
 263                         width_string += " - 2\\fboxsep - 2\\fboxrule"/* "-\\shadowsize"*/;
 264                         break;
 265                 case Doublebox:
 266                         width_string += " - 2\\fboxsep - 7.5\\fboxrule - 1pt";
 267                         break;
 268                 }
 269         }
 270
 271         os << safebreakln;
 272         if (runparams.lastid != -1)
 273                 os.texrow().start(runparams.lastid, runparams.lastpos);
 274
 275         // Adapt to column/text width correctly also if paragraphs indented:
 276         if (stdwidth)
 277                 os << "\\noindent";
 278
 279         switch (btype) {
 280         case Frameless:
 281                 break;
 282         case Framed:
 283                 os << "\\begin{framed}%\n";
 284                 break;
 285         case Boxed:
 286                 os << "\\framebox";
 287                 if (!params_.inner_box) {
 288                         // Special widths, see usrguide §3.5
 289                         // FIXME UNICODE
 290                         if (params_.special != "none") {
 291                                 os << "[" << params_.width.value()
 292                                    << '\\' << from_utf8(params_.special)
 293                                    << ']';
 294                         } else
 295                                 os << '[' << from_ascii(width_string)
 296                                    << ']';
 297                         if (params_.hor_pos != 'c')
 298                                 os << "[" << params_.hor_pos << "]";
 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                 // must be set later becaue e.g. the width settings only work when
 313                 // it is inside a minipage or parbox
 314                 break;
 315         case Doublebox:
 316                 os << "\\doublebox{";
 317                 break;
 318         }
 319
 320         if (params_.inner_box) {
 321                 if (params_.use_parbox)
 322                         os << "\\parbox";
 323                 else if (params_.use_makebox) {
 324                         os << "\\makebox";
 325                         // FIXME UNICODE
 326                         // output the width and horizontal position
 327                         if (params_.special != "none") {
 328                                 os << "[" << params_.width.value()
 329                                    << '\\' << from_utf8(params_.special)
 330                                    << ']';
 331                         } else
 332                                 os << '[' << from_ascii(width_string)
 333                                    << ']';
 334                         if (params_.hor_pos != 'c')
 335                                 os << "[" << params_.hor_pos << "]";
 336                         os << "{";
 337                 }
 338                 else
 339                         os << "\\begin{minipage}";
 340
 341                 // output parameters for parbox and minipage
 342                 if (!params_.use_makebox) {
 343                         os << "[" << params_.pos << "]";
 344                         if (params_.height_special == "none") {
 345                                 // FIXME UNICODE
 346                                 os << "[" << from_ascii(params_.height.asLatexString()) << "]";
 347                         } else {
 348                                 // Special heights
 349                                 // set no optional argument when the value is the default "1\height"
 350                                 // (special units like \height are handled as "in")
 351                                 // but when the user has chosen a non-default inner_pos, the height
 352                                 // must be given: \minipage[pos][height][inner-pos]{width}
 353                                 if ((params_.height != Length("1in") ||
 354                                         params_.height_special != "totalheight") ||
 355                                         params_.inner_pos != params_.pos) {
 356                                                 // FIXME UNICODE
 357                                                 os << "[" << params_.height.value()
 358                                                         << "\\" << from_utf8(params_.height_special) << "]";
 359                                 }
 360                         }
 361                         if (params_.inner_pos != params_.pos)
 362                                 os << "[" << params_.inner_pos << "]";
 363                         // FIXME UNICODE
 364                         os << '{' << from_ascii(width_string) << '}';
 365                         if (params_.use_parbox)
 366                                 os << "{";
 367                 }
 368
 369                 os << "%\n";
 370         } // end if inner_box
 371
 372         if (btype == Shaded) {
 373                 os << "\\begin{shaded}%\n";
 374         }
 375
 376         InsetText::latex(os, runparams);
 377
 378         if (btype == Shaded)
 379                 os << "\\end{shaded}";
 380
 381         if (params_.inner_box) {
 382                 if (params_.use_parbox || params_.use_makebox)
 383                         os << "%\n}";
 384                 else
 385                         os << "%\n\\end{minipage}";
 386         }
 387
 388         switch (btype) {
 389         case Frameless:
 390                 break;
 391         case Framed:
 392                 os << "\\end{framed}";
 393                 break;
 394         case Boxed:
 395                 os << "}";
 396                 break;
 397         case ovalbox:
 398         case Ovalbox:
 399         case Doublebox:
 400         case Shadowbox:
 401                 os << "}";
 402                 break;
 403         case Shaded:
 404                 // already done
 405                 break;
 406         }
 407 }
 408
 409
 410 int InsetBox::plaintext(odocstream & os, OutputParams const & runparams) const
 411 {
 412         BoxType const btype = boxtranslator().find(params_.type);
 413
 414         switch (btype) {
 415                 case Frameless:
 416                         break;
 417                 case Framed:
 418                 case Boxed:
 419                         os << "[\n";
 420                         break;
 421                 case ovalbox:
 422                         os << "(\n";
 423                         break;
 424                 case Ovalbox:
 425                         os << "((\n";
 426                         break;
 427                 case Shadowbox:
 428                 case Shaded:
 429                         os << "[/\n";
 430                         break;
 431                 case Doublebox:
 432                         os << "[[\n";
 433                         break;
 434         }
 435
 436         InsetText::plaintext(os, runparams);
 437
 438         int len = 0;
 439         switch (btype) {
 440                 case Frameless:
 441                         os << "\n";
 442                         break;
 443                 case Framed:
 444                 case Boxed:
 445                         os << "\n]";
 446                         len = 1;
 447                         break;
 448                 case ovalbox:
 449                         os << "\n)";
 450                         len = 1;
 451                         break;
 452                 case Ovalbox:
 453                         os << "\n))";
 454                         len = 2;
 455                         break;
 456                 case Shadowbox:
 457                 case Shaded:
 458                         os << "\n/]";
 459                         len = 2;
 460                         break;
 461                 case Doublebox:
 462                         os << "\n]]";
 463                         len = 2;
 464                         break;
 465         }
 466
 467         return PLAINTEXT_NEWLINE + len; // len chars on a separate line
 468 }
 469
 470
 471 int InsetBox::docbook(odocstream & os, OutputParams const & runparams) const
 472 {
 473         return InsetText::docbook(os, runparams);
 474 }
 475
 476
 477 docstring InsetBox::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
 478 {
 479         // construct attributes
 480         string attrs = "class='" + params_.type + "'";
 481         string style;
 482         if (!params_.width.empty()) {
 483                 string w = params_.width.asHTMLString();
 484                 if (w != "100%")
 485                         style += ("width: " + params_.width.asHTMLString() + "; ");
 486         }
 487         // The special heights don't really mean anything for us.
 488         if (!params_.height.empty() && params_.height_special == "none")
 489                 style += ("height: " + params_.height.asHTMLString() + "; ");
 490         if (!style.empty())
 491                 attrs += " style='" + style + "'";
 492
 493         xs << html::StartTag("div", attrs);
 494         XHTMLOptions const opts = InsetText::WriteLabel | InsetText::WriteInnerTag;
 495         docstring defer = InsetText::insetAsXHTML(xs, runparams, opts);
 496         xs << html::EndTag("div");
 497         xs << defer;
 498         return docstring();
 499 }
 500
 501
 502 void InsetBox::validate(LaTeXFeatures & features) const
 503 {
 504         BoxType btype = boxtranslator().find(params_.type);
 505         switch (btype) {
 506         case Frameless:
 507                 break;
 508         case Framed:
 509                 features.require("framed");
 510                 break;
 511         case Boxed:
 512                 features.require("calc");
 513                 break;
 514         case ovalbox:
 515         case Ovalbox:
 516         case Shadowbox:
 517         case Doublebox:
 518                 features.require("calc");
 519                 features.require("fancybox");
 520                 break;
 521         case Shaded:
 522                 features.require("color");
 523                 features.require("framed");
 524                 break;
 525         }
 526         InsetCollapsable::validate(features);
 527 }
 528
 529
 530 docstring InsetBox::contextMenuName() const
 531 {
 532         return from_ascii("context-box");
 533 }
 534
 535
 536 string InsetBox::params2string(InsetBoxParams const & params)
 537 {
 538         ostringstream data;
 539         data << "box" << ' ';
 540         params.write(data);
 541         return data.str();
 542 }
 543
 544
 545 void InsetBox::string2params(string const & in, InsetBoxParams & params)
 546 {
 547         params = InsetBoxParams(string());
 548         if (in.empty())
 549                 return;
 550
 551         istringstream data(in);
 552         Lexer lex;
 553         lex.setStream(data);
 554
 555         string name;
 556         lex >> name;
 557         if (!lex || name != "box") {
 558                 LYXERR0("InsetBox::string2params(" << in << ")\n"
 559                                           "Expected arg 1 to be \"box\"\n");
 560                 return;
 561         }
 562
 563         // This is part of the inset proper that is usually swallowed
 564         // by Text::readInset
 565         string id;
 566         lex >> id;
 567         if (!lex || id != "Box") {
 568                 LYXERR0("InsetBox::string2params(" << in << ")\n"
 569                                           "Expected arg 2 to be \"Box\"\n");
 570         }
 571
 572         params.read(lex);
 573 }
 574
 575
 576 /////////////////////////////////////////////////////////////////////////
 577 //
 578 // InsetBoxParams
 579 //
 580 /////////////////////////////////////////////////////////////////////////
 581
 582 InsetBoxParams::InsetBoxParams(string const & label)
 583         : type(label),
 584           use_parbox(false),
 585           use_makebox(false),
 586           inner_box(true),
 587           width(Length("100col%")),
 588           special("none"),
 589           pos('t'),
 590           hor_pos('c'),
 591           inner_pos('t'),
 592           height(Length("1in")),
 593           height_special("totalheight") // default is 1\\totalheight
 594 {}
 595
 596
 597 void InsetBoxParams::write(ostream & os) const
 598 {
 599         os << "Box " << type << "\n";
 600         os << "position \"" << pos << "\"\n";
 601         os << "hor_pos \"" << hor_pos << "\"\n";
 602         os << "has_inner_box " << inner_box << "\n";
 603         os << "inner_pos \"" << inner_pos << "\"\n";
 604         os << "use_parbox " << use_parbox << "\n";
 605         os << "use_makebox " << use_makebox << "\n";
 606         os << "width \"" << width.asString() << "\"\n";
 607         os << "special \"" << special << "\"\n";
 608         os << "height \"" << height.asString() << "\"\n";
 609         os << "height_special \"" << height_special << "\"\n";
 610 }
 611
 612
 613 void InsetBoxParams::read(Lexer & lex)
 614 {
 615         lex.setContext("InsetBoxParams::read");
 616         lex >> type;
 617         lex >> "position" >> pos;
 618         lex >> "hor_pos" >> hor_pos;
 619         lex >> "has_inner_box" >> inner_box;
 620         if (type == "Framed")
 621                 inner_box = false;
 622         lex >> "inner_pos" >> inner_pos;
 623         lex >> "use_parbox" >> use_parbox;
 624         lex >> "use_makebox" >> use_makebox;
 625         lex >> "width" >> width;
 626         lex >> "special" >> special;
 627         lex >> "height" >> height;
 628         lex >> "height_special" >> height_special;
 629 }
 630
 631
 632 } // namespace lyx