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::name() const
 106 {
 107         // FIXME: UNICODE
 108         string name = "Box";
 109         if (boxtranslator().find(params_.type) == Shaded)
 110                 name += ":Shaded";
 111         return from_ascii(name);
 112 }
 113
 114
 115 void InsetBox::write(ostream & os) const
 116 {
 117         params_.write(os);
 118         InsetCollapsable::write(os);
 119 }
 120
 121
 122 void InsetBox::read(Lexer & lex)
 123 {
 124         params_.read(lex);
 125         InsetCollapsable::read(lex);
 126 }
 127
 128
 129 void InsetBox::setButtonLabel()
 130 {
 131         BoxType const btype = boxtranslator().find(params_.type);
 132
 133         docstring const type = _("Box");
 134
 135         docstring inner;
 136         if (params_.inner_box) {
 137                 if (params_.use_parbox)
 138                         inner = _("Parbox");
 139                 else
 140                         inner = _("Minipage");
 141         }
 142
 143         docstring frame;
 144         if (btype != Frameless)
 145                 frame = boxtranslator_loc().find(btype);
 146
 147         docstring label;
 148         if (inner.empty() && frame.empty())
 149                 label = type;
 150         else if (inner.empty())
 151                 label = bformat(_("%1$s (%2$s)"),
 152                         type, frame);
 153         else if (frame.empty())
 154                 label = bformat(_("%1$s (%2$s)"),
 155                         type, inner);
 156         else
 157                 label = bformat(_("%1$s (%2$s, %3$s)"),
 158                         type, inner, frame);
 159         setLabel(label);
 160 }
 161
 162
 163 bool InsetBox::hasFixedWidth() const
 164 {
 165         return params_.inner_box || params_.special != "width";
 166 }
 167
 168
 169 void InsetBox::metrics(MetricsInfo & m, Dimension & dim) const
 170 {
 171         // back up textwidth.
 172         int textwidth_backup = m.base.textwidth;
 173         if (hasFixedWidth())
 174                 m.base.textwidth = params_.width.inPixels(m.base.textwidth);
 175         InsetCollapsable::metrics(m, dim);
 176         // retore textwidth.
 177         m.base.textwidth = textwidth_backup;
 178 }
 179
 180
 181 bool InsetBox::forcePlainLayout(idx_type) const
 182 {
 183         return !params_.inner_box && 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                 if (cmd.getArg(0) == "changetype")
 194                         params_.type = cmd.getArg(1);
 195                 else
 196                         string2params(to_utf8(cmd.argument()), params_);
 197                 setButtonLabel();
 198                 break;
 199         }
 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                 flag.setEnabled(true);
 217                 return true;
 218
 219         case LFUN_INSET_DIALOG_UPDATE:
 220                 flag.setEnabled(true);
 221                 return true;
 222
 223         case LFUN_BREAK_PARAGRAPH:
 224                 if (params_.inner_box || params_.type == "Framed")
 225                         return InsetCollapsable::getStatus(cur, cmd, flag);
 226                 flag.setEnabled(false);
 227                 return true;
 228
 229         default:
 230                 return InsetCollapsable::getStatus(cur, cmd, flag);
 231         }
 232 }
 233
 234
 235 int InsetBox::latex(odocstream & os, OutputParams const & runparams) const
 236 {
 237         BoxType btype = boxtranslator().find(params_.type);
 238
 239         string width_string = params_.width.asLatexString();
 240         bool stdwidth = false;
 241         if (params_.inner_box &&
 242                         (width_string.find("1.0\\columnwidth") != string::npos
 243                         || width_string.find("1.0\\textwidth") != string::npos)) {
 244                 stdwidth = true;
 245                 switch (btype) {
 246                 case Frameless:
 247                 case Framed:
 248                         break;
 249                 case Boxed:
 250                 case Shaded:
 251                         width_string += " - 2\\fboxsep - 2\\fboxrule";
 252                         break;
 253                 case ovalbox:
 254                         width_string += " - 2\\fboxsep - 0.8pt";
 255                         break;
 256                 case Ovalbox:
 257                         width_string += " - 2\\fboxsep - 1.6pt";
 258                         break;
 259                 case Shadowbox:
 260                         // Shadow falls outside right margin... opinions?
 261                         width_string += " - 2\\fboxsep - 2\\fboxrule"/* "-\\shadowsize"*/;
 262                         break;
 263                 case Doublebox:
 264                         width_string += " - 2\\fboxsep - 7.5\\fboxrule - 1pt";
 265                         break;
 266                 }
 267         }
 268
 269         int i = 0;
 270         os << "%\n";
 271         // Adapt to column/text width correctly also if paragraphs indented:
 272         if (stdwidth)
 273                 os << "\\noindent";
 274
 275         switch (btype) {
 276         case Frameless:
 277                 break;
 278         case Framed:
 279                 os << "\\begin{framed}%\n";
 280                 i += 1;
 281                 break;
 282         case Boxed:
 283                 os << "\\framebox";
 284                 if (!params_.inner_box) {
 285                         os << "{\\makebox";
 286                         // Special widths, see usrguide §3.5
 287                         // FIXME UNICODE
 288                         if (params_.special != "none") {
 289                                 os << "[" << params_.width.value()
 290                                    << '\\' << from_utf8(params_.special)
 291                                    << ']';
 292                         } else
 293                                 os << '[' << from_ascii(width_string)
 294                                    << ']';
 295                         if (params_.hor_pos != 'c')
 296                                 os << "[" << params_.hor_pos << "]";
 297                 }
 298
 299                 os << "{";
 300                 break;
 301         case ovalbox:
 302                 os << "\\ovalbox{";
 303                 break;
 304         case Ovalbox:
 305                 os << "\\Ovalbox{";
 306                 break;
 307         case Shadowbox:
 308                 os << "\\shadowbox{";
 309                 break;
 310         case Shaded:
 311                 // later
 312                 break;
 313         case Doublebox:
 314                 os << "\\doublebox{";
 315                 break;
 316         }
 317
 318         if (params_.inner_box) {
 319                 if (params_.use_parbox)
 320                         os << "\\parbox";
 321                 else
 322                         os << "\\begin{minipage}";
 323
 324                 os << "[" << params_.pos << "]";
 325                 if (params_.height_special == "none") {
 326                         // FIXME UNICODE
 327                         os << "[" << from_ascii(params_.height.asLatexString()) << "]";
 328                 } else {
 329                         // Special heights
 330                         // set no optional argument when the value is the default "1\height"
 331                         // (special units like \height are handled as "in")
 332                         // but when the user has chosen a non-default inner_pos, the height
 333                         // must be given: \minipage[pos][height][inner-pos]{width}
 334                         if ((params_.height != Length("1in") ||
 335                                  params_.height_special != "totalheight") ||
 336                                 params_.inner_pos != params_.pos) {
 337                                 // FIXME UNICODE
 338                                 os << "[" << params_.height.value()
 339                                         << "\\" << from_utf8(params_.height_special) << "]";
 340                         }
 341                 }
 342                 if (params_.inner_pos != params_.pos)
 343                         os << "[" << params_.inner_pos << "]";
 344
 345                 // FIXME UNICODE
 346                 os << '{' << from_ascii(width_string) << '}';
 347
 348                 if (params_.use_parbox)
 349                         os << "{";
 350                 os << "%\n";
 351                 ++i;
 352         }
 353         if (btype == Shaded) {
 354                 os << "\\begin{shaded}%\n";
 355                 ++i;
 356         }
 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 docstring InsetBox::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
 466 {
 467         // construct attributes
 468         string attrs = "class='" + params_.type + "'";
 469         string style;
 470         if (!params_.width.empty())
 471                 style += ("width: " + params_.width.asHTMLString() + "; ");
 472         // The special heights don't really mean anything for us.
 473         if (!params_.height.empty() && params_.height_special == "none")
 474                 style += ("height: " + params_.height.asHTMLString() + "; ");
 475         if (!style.empty())
 476                 attrs += " style='" + style + "'";
 477
 478         xs << html::StartTag("div", attrs);
 479         XHTMLOptions const opts = InsetText::WriteLabel | InsetText::WriteInnerTag;
 480         docstring defer = InsetText::insetAsXHTML(xs, runparams, opts);
 481         xs << html::EndTag("div");
 482         xs << defer;
 483         return docstring();
 484 }
 485
 486
 487 void InsetBox::validate(LaTeXFeatures & features) const
 488 {
 489         BoxType btype = boxtranslator().find(params_.type);
 490         switch (btype) {
 491         case Frameless:
 492                 break;
 493         case Framed:
 494                 features.require("framed");
 495                 break;
 496         case Boxed:
 497                 features.require("calc");
 498                 break;
 499         case ovalbox:
 500         case Ovalbox:
 501         case Shadowbox:
 502         case Doublebox:
 503                 features.require("calc");
 504                 features.require("fancybox");
 505                 break;
 506         case Shaded:
 507                 features.require("color");
 508                 features.require("framed");
 509                 break;
 510         }
 511         InsetCollapsable::validate(features);
 512 }
 513
 514
 515 docstring InsetBox::contextMenu(BufferView const &, int, int) const
 516 {
 517         return from_ascii("context-box");
 518 }
 519
 520
 521 string InsetBox::params2string(InsetBoxParams const & params)
 522 {
 523         ostringstream data;
 524         data << "box" << ' ';
 525         params.write(data);
 526         return data.str();
 527 }
 528
 529
 530 void InsetBox::string2params(string const & in, InsetBoxParams & params)
 531 {
 532         params = InsetBoxParams(string());
 533         if (in.empty())
 534                 return;
 535
 536         istringstream data(in);
 537         Lexer lex;
 538         lex.setStream(data);
 539
 540         string name;
 541         lex >> name;
 542         if (!lex || name != "box") {
 543                 LYXERR0("InsetBox::string2params(" << in << ")\n"
 544                                           "Expected arg 1 to be \"box\"\n");
 545                 return;
 546         }
 547
 548         // This is part of the inset proper that is usually swallowed
 549         // by Text::readInset
 550         string id;
 551         lex >> id;
 552         if (!lex || id != "Box") {
 553                 LYXERR0("InsetBox::string2params(" << in << ")\n"
 554                                           "Expected arg 2 to be \"Box\"\n");
 555         }
 556
 557         params.read(lex);
 558 }
 559
 560
 561 /////////////////////////////////////////////////////////////////////////
 562 //
 563 // InsetBoxParams
 564 //
 565 /////////////////////////////////////////////////////////////////////////
 566
 567 InsetBoxParams::InsetBoxParams(string const & label)
 568         : type(label),
 569           use_parbox(false),
 570           inner_box(true),
 571           width(Length("100col%")),
 572           special("none"),
 573           pos('t'),
 574           hor_pos('c'),
 575           inner_pos('t'),
 576           height(Length("1in")),
 577           height_special("totalheight") // default is 1\\totalheight
 578 {}
 579
 580
 581 void InsetBoxParams::write(ostream & os) const
 582 {
 583         os << "Box " << type << "\n";
 584         os << "position \"" << pos << "\"\n";
 585         os << "hor_pos \"" << hor_pos << "\"\n";
 586         os << "has_inner_box " << inner_box << "\n";
 587         os << "inner_pos \"" << inner_pos << "\"\n";
 588         os << "use_parbox " << use_parbox << "\n";
 589         os << "width \"" << width.asString() << "\"\n";
 590         os << "special \"" << special << "\"\n";
 591         os << "height \"" << height.asString() << "\"\n";
 592         os << "height_special \"" << height_special << "\"\n";
 593 }
 594
 595
 596 void InsetBoxParams::read(Lexer & lex)
 597 {
 598         lex.setContext("InsetBoxParams::read");
 599         lex >> type;
 600         lex >> "position" >> pos;
 601         lex >> "hor_pos" >> hor_pos;
 602         lex >> "has_inner_box" >> inner_box;
 603         if (type == "Framed")
 604                 inner_box = false;
 605         lex >> "inner_pos" >> inner_pos;
 606         lex >> "use_parbox" >> use_parbox;
 607         lex >> "width" >> width;
 608         lex >> "special" >> special;
 609         lex >> "height" >> height;
 610         lex >> "height_special" >> height_special;
 611 }
 612
 613
 614 } // namespace lyx