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 "ColorSet.h"
  21 #include "Cursor.h"
  22 #include "DispatchResult.h"
  23 #include "FuncStatus.h"
  24 #include "FuncRequest.h"
  25 #include "LaTeXFeatures.h"
  26 #include "Lexer.h"
  27 #include "MetricsInfo.h"
  28 #include "output_xhtml.h"
  29 #include "TextClass.h"
  30
  31 #include "support/debug.h"
  32 #include "support/docstream.h"
  33 #include "support/gettext.h"
  34 #include "support/lstrings.h"
  35 #include "support/Translator.h"
  36
  37 #include "frontends/Application.h"
  38
  39 #include <sstream>
  40
  41 using namespace std;
  42 using namespace lyx::support;
  43
  44 namespace lyx {
  45
  46 namespace {
  47
  48 typedef Translator<string, InsetBox::BoxType> BoxTranslator;
  49 typedef Translator<docstring, InsetBox::BoxType> BoxTranslatorLoc;
  50
  51 BoxTranslator initBoxtranslator()
  52 {
  53         BoxTranslator translator("Boxed", InsetBox::Boxed);
  54         translator.addPair("Frameless", InsetBox::Frameless);
  55         translator.addPair("Framed", InsetBox::Framed);
  56         translator.addPair("ovalbox", InsetBox::ovalbox);
  57         translator.addPair("Ovalbox", InsetBox::Ovalbox);
  58         translator.addPair("Shadowbox", InsetBox::Shadowbox);
  59         translator.addPair("Shaded", InsetBox::Shaded);
  60         translator.addPair("Doublebox",InsetBox::Doublebox);
  61         return translator;
  62 }
  63
  64
  65 BoxTranslatorLoc initBoxtranslatorLoc()
  66 {
  67         BoxTranslatorLoc translator(_("simple frame"), InsetBox::Boxed);
  68         translator.addPair(_("frameless"), InsetBox::Frameless);
  69         translator.addPair(_("simple frame, page breaks"), InsetBox::Framed);
  70         translator.addPair(_("oval, thin"), InsetBox::ovalbox);
  71         translator.addPair(_("oval, thick"), InsetBox::Ovalbox);
  72         translator.addPair(_("drop shadow"), InsetBox::Shadowbox);
  73         translator.addPair(_("shaded background"), InsetBox::Shaded);
  74         translator.addPair(_("double frame"), InsetBox::Doublebox);
  75         return translator;
  76 }
  77
  78
  79 BoxTranslator const & boxtranslator()
  80 {
  81         static BoxTranslator translator = initBoxtranslator();
  82         return translator;
  83 }
  84
  85
  86 BoxTranslatorLoc const & boxtranslator_loc()
  87 {
  88         static BoxTranslatorLoc translator = initBoxtranslatorLoc();
  89         return translator;
  90 }
  91
  92 } // namespace anon
  93
  94
  95 /////////////////////////////////////////////////////////////////////////
  96 //
  97 // InsetBox
  98 //
  99 /////////////////////////////////////////////////////////////////////////
 100
 101 InsetBox::InsetBox(Buffer * buffer, string const & label)
 102         : InsetCollapsable(buffer), params_(label)
 103 {}
 104
 105
 106 docstring InsetBox::layoutName() const
 107 {
 108         // FIXME: UNICODE
 109         return from_ascii("Box:" + params_.type);
 110 }
 111
 112
 113 void InsetBox::write(ostream & os) const
 114 {
 115         params_.write(os);
 116         InsetCollapsable::write(os);
 117 }
 118
 119
 120 void InsetBox::read(Lexer & lex)
 121 {
 122         params_.read(lex);
 123         InsetCollapsable::read(lex);
 124 }
 125
 126
 127 void InsetBox::setButtonLabel()
 128 {
 129         BoxType const btype = boxtranslator().find(params_.type);
 130
 131         docstring const type = _("Box");
 132
 133         docstring inner;
 134         if (params_.inner_box) {
 135                 if (params_.use_parbox)
 136                         inner = _("Parbox");
 137                 else if (params_.use_makebox)
 138                         inner = _("Makebox");
 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_.use_makebox)
 184                 && params_.type != "Shaded" && params_.type != "Framed";
 185 }
 186
 187
 188 ColorCode InsetBox::backgroundColor(PainterInfo const &) const
 189 {
 190         if (params_.type != "Shaded")
 191                 return getLayout().bgcolor();
 192         // FIXME: This hardcoded color is a hack!
 193         if (buffer().params().boxbgcolor == lyx::rgbFromHexName("#ff0000"))
 194                 return getLayout().bgcolor();
 195         ColorCode c = lcolor.getFromLyXName("boxbgcolor");
 196         if (c == Color_none)
 197                 return getLayout().bgcolor();
 198         return c;
 199 }
 200
 201
 202 void InsetBox::doDispatch(Cursor & cur, FuncRequest & cmd)
 203 {
 204         switch (cmd.action()) {
 205
 206         case LFUN_INSET_MODIFY: {
 207                 //lyxerr << "InsetBox::dispatch MODIFY" << endl;
 208                 string const first_arg = cmd.getArg(0);
 209                 bool const change_type = first_arg == "changetype";
 210                 bool const for_box = first_arg == "box";
 211                 if (!change_type && !for_box) {
 212                         // not for us
 213                         // this will not be handled higher up
 214                         cur.undispatched();
 215                         return;
 216                 }
 217                 cur.recordUndoInset(ATOMIC_UNDO, this);
 218                 if (change_type)
 219                         params_.type = cmd.getArg(1);
 220                 else // if (for_box)
 221                         string2params(to_utf8(cmd.argument()), params_);
 222                 setButtonLabel();
 223                 break;
 224         }
 225
 226         default:
 227                 InsetCollapsable::doDispatch(cur, cmd);
 228                 break;
 229         }
 230 }
 231
 232
 233 bool InsetBox::getStatus(Cursor & cur, FuncRequest const & cmd,
 234                 FuncStatus & flag) const
 235 {
 236         switch (cmd.action()) {
 237
 238         case LFUN_INSET_MODIFY: {
 239                 string const first_arg = cmd.getArg(0);
 240                 if (first_arg == "changetype") {
 241                         string const type = cmd.getArg(1);
 242                         flag.setOnOff(type == params_.type);
 243                         flag.setEnabled(!params_.inner_box || type != "Framed");
 244                         return true;
 245                 }
 246                 if (first_arg == "box") {
 247                         flag.setEnabled(true);
 248                         return true;
 249                 }
 250                 return InsetCollapsable::getStatus(cur, cmd, flag);
 251         }
 252
 253         case LFUN_INSET_DIALOG_UPDATE:
 254                 flag.setEnabled(true);
 255                 return true;
 256
 257         case LFUN_PARAGRAPH_BREAK:
 258                 if ((params_.inner_box && !params_.use_makebox)
 259                      || params_.type == "Shaded" || params_.type == "Framed")
 260                         return InsetCollapsable::getStatus(cur, cmd, flag);
 261                 flag.setEnabled(false);
 262                 return true;
 263
 264         default:
 265                 return InsetCollapsable::getStatus(cur, cmd, flag);
 266         }
 267 }
 268
 269
 270 void InsetBox::latex(otexstream & os, OutputParams const & runparams) const
 271 {
 272         BoxType btype = boxtranslator().find(params_.type);
 273
 274         string width_string = params_.width.asLatexString();
 275         bool stdwidth = false;
 276         if (params_.inner_box &&
 277                         (width_string.find("1.0\\columnwidth") != string::npos
 278                         || width_string.find("1.0\\textwidth") != string::npos)) {
 279                 stdwidth = true;
 280                 switch (btype) {
 281                 case Frameless:
 282                 case Framed:
 283                         break;
 284                 case Boxed:
 285                 case Shaded:
 286                         width_string += " - 2\\fboxsep - 2\\fboxrule";
 287                         break;
 288                 case ovalbox:
 289                         width_string += " - 2\\fboxsep - 0.8pt";
 290                         break;
 291                 case Ovalbox:
 292                         width_string += " - 2\\fboxsep - 1.6pt";
 293                         break;
 294                 case Shadowbox:
 295                         // Shadow falls outside right margin... opinions?
 296                         width_string += " - 2\\fboxsep - 2\\fboxrule"/* "-\\shadowsize"*/;
 297                         break;
 298                 case Doublebox:
 299                         width_string += " - 2\\fboxsep - 7.5\\fboxrule - 1pt";
 300                         break;
 301                 }
 302         }
 303
 304         os << safebreakln;
 305         if (runparams.lastid != -1)
 306                 os.texrow().start(runparams.lastid, runparams.lastpos);
 307
 308         // Adapt to column/text width correctly also if paragraphs indented:
 309         if (stdwidth)
 310                 os << "\\noindent";
 311
 312         switch (btype) {
 313         case Frameless:
 314                 break;
 315         case Framed:
 316                 os << "\\begin{framed}%\n";
 317                 break;
 318         case Boxed:
 319                 os << "\\framebox";
 320                 if (!params_.inner_box) {
 321                         // Special widths, see usrguide §3.5
 322                         // FIXME UNICODE
 323                         if (params_.special != "none") {
 324                                 os << "[" << params_.width.value()
 325                                    << '\\' << from_utf8(params_.special)
 326                                    << ']';
 327                         } else
 328                                 os << '[' << from_ascii(width_string)
 329                                    << ']';
 330                         if (params_.hor_pos != 'c')
 331                                 os << "[" << params_.hor_pos << "]";
 332                 }
 333                 os << "{";
 334                 break;
 335         case ovalbox:
 336                 os << "\\ovalbox{";
 337                 break;
 338         case Ovalbox:
 339                 os << "\\Ovalbox{";
 340                 break;
 341         case Shadowbox:
 342                 os << "\\shadowbox{";
 343                 break;
 344         case Shaded:
 345                 // must be set later because e.g. the width settings only work when
 346                 // it is inside a minipage or parbox
 347                 break;
 348         case Doublebox:
 349                 os << "\\doublebox{";
 350                 break;
 351         }
 352
 353         if (params_.inner_box) {
 354                 if (params_.use_parbox)
 355                         os << "\\parbox";
 356                 else if (params_.use_makebox) {
 357                         os << "\\makebox";
 358                         // FIXME UNICODE
 359                         // output the width and horizontal position
 360                         if (params_.special != "none") {
 361                                 os << "[" << params_.width.value()
 362                                    << '\\' << from_utf8(params_.special)
 363                                    << ']';
 364                         } else
 365                                 os << '[' << from_ascii(width_string)
 366                                    << ']';
 367                         if (params_.hor_pos != 'c')
 368                                 os << "[" << params_.hor_pos << "]";
 369                         os << "{";
 370                 }
 371                 else
 372                         os << "\\begin{minipage}";
 373
 374                 // output parameters for parbox and minipage
 375                 if (!params_.use_makebox) {
 376                         os << "[" << params_.pos << "]";
 377                         if (params_.height_special == "none") {
 378                                 // FIXME UNICODE
 379                                 os << "[" << from_ascii(params_.height.asLatexString()) << "]";
 380                         } else {
 381                                 // Special heights
 382                                 // set no optional argument when the value is the default "1\height"
 383                                 // (special units like \height are handled as "in")
 384                                 // but when the user has chosen a non-default inner_pos, the height
 385                                 // must be given: \minipage[pos][height][inner-pos]{width}
 386                                 if ((params_.height != Length("1in") ||
 387                                         params_.height_special != "totalheight") ||
 388                                         params_.inner_pos != params_.pos) {
 389                                                 // FIXME UNICODE
 390                                                 os << "[" << params_.height.value()
 391                                                         << "\\" << from_utf8(params_.height_special) << "]";
 392                                 }
 393                         }
 394                         if (params_.inner_pos != params_.pos)
 395                                 os << "[" << params_.inner_pos << "]";
 396                         // FIXME UNICODE
 397                         os << '{' << from_ascii(width_string) << '}';
 398                         if (params_.use_parbox)
 399                                 os << "{";
 400                 }
 401
 402                 os << "%\n";
 403         } // end if inner_box
 404
 405         if (btype == Shaded) {
 406                 os << "\\begin{shaded}%\n";
 407         }
 408
 409         InsetText::latex(os, runparams);
 410
 411         if (btype == Shaded)
 412                 os << "\\end{shaded}";
 413
 414         if (params_.inner_box) {
 415                 if (params_.use_parbox || params_.use_makebox)
 416                         os << "%\n}";
 417                 else
 418                         os << "%\n\\end{minipage}";
 419         }
 420
 421         switch (btype) {
 422         case Frameless:
 423                 break;
 424         case Framed:
 425                 os << "\\end{framed}";
 426                 break;
 427         case Boxed:
 428                 os << "}";
 429                 break;
 430         case ovalbox:
 431         case Ovalbox:
 432         case Doublebox:
 433         case Shadowbox:
 434                 os << "}";
 435                 break;
 436         case Shaded:
 437                 // already done
 438                 break;
 439         }
 440 }
 441
 442
 443 int InsetBox::plaintext(odocstringstream & os,
 444        OutputParams const & runparams, size_t max_length) const
 445 {
 446         BoxType const btype = boxtranslator().find(params_.type);
 447
 448         switch (btype) {
 449                 case Frameless:
 450                         break;
 451                 case Framed:
 452                 case Boxed:
 453                         os << "[\n";
 454                         break;
 455                 case ovalbox:
 456                         os << "(\n";
 457                         break;
 458                 case Ovalbox:
 459                         os << "((\n";
 460                         break;
 461                 case Shadowbox:
 462                 case Shaded:
 463                         os << "[/\n";
 464                         break;
 465                 case Doublebox:
 466                         os << "[[\n";
 467                         break;
 468         }
 469
 470         InsetText::plaintext(os, runparams, max_length);
 471
 472         int len = 0;
 473         switch (btype) {
 474                 case Frameless:
 475                         os << "\n";
 476                         break;
 477                 case Framed:
 478                 case Boxed:
 479                         os << "\n]";
 480                         len = 1;
 481                         break;
 482                 case ovalbox:
 483                         os << "\n)";
 484                         len = 1;
 485                         break;
 486                 case Ovalbox:
 487                         os << "\n))";
 488                         len = 2;
 489                         break;
 490                 case Shadowbox:
 491                 case Shaded:
 492                         os << "\n/]";
 493                         len = 2;
 494                         break;
 495                 case Doublebox:
 496                         os << "\n]]";
 497                         len = 2;
 498                         break;
 499         }
 500
 501         return PLAINTEXT_NEWLINE + len; // len chars on a separate line
 502 }
 503
 504
 505 int InsetBox::docbook(odocstream & os, OutputParams const & runparams) const
 506 {
 507         return InsetText::docbook(os, runparams);
 508 }
 509
 510
 511 docstring InsetBox::xhtml(XHTMLStream & xs, OutputParams const & runparams) const
 512 {
 513         // construct attributes
 514         string attrs = "class='" + params_.type + "'";
 515         string style;
 516         if (!params_.width.empty()) {
 517                 string w = params_.width.asHTMLString();
 518                 if (w != "100%")
 519                         style += ("width: " + params_.width.asHTMLString() + "; ");
 520         }
 521         // The special heights don't really mean anything for us.
 522         if (!params_.height.empty() && params_.height_special == "none")
 523                 style += ("height: " + params_.height.asHTMLString() + "; ");
 524         if (!style.empty())
 525                 attrs += " style='" + style + "'";
 526
 527         xs << html::StartTag("div", attrs);
 528         XHTMLOptions const opts = InsetText::WriteLabel | InsetText::WriteInnerTag;
 529         docstring defer = InsetText::insetAsXHTML(xs, runparams, opts);
 530         xs << html::EndTag("div");
 531         xs << defer;
 532         return docstring();
 533 }
 534
 535
 536 void InsetBox::validate(LaTeXFeatures & features) const
 537 {
 538         BoxType btype = boxtranslator().find(params_.type);
 539         switch (btype) {
 540         case Frameless:
 541                 break;
 542         case Framed:
 543                 features.require("framed");
 544                 break;
 545         case Boxed:
 546                 features.require("calc");
 547                 break;
 548         case ovalbox:
 549         case Ovalbox:
 550         case Shadowbox:
 551         case Doublebox:
 552                 features.require("calc");
 553                 features.require("fancybox");
 554                 break;
 555         case Shaded:
 556                 features.require("color");
 557                 features.require("framed");
 558                 break;
 559         }
 560         InsetCollapsable::validate(features);
 561 }
 562
 563
 564 string InsetBox::contextMenuName() const
 565 {
 566         return "context-box";
 567 }
 568
 569
 570 string InsetBox::params2string(InsetBoxParams const & params)
 571 {
 572         ostringstream data;
 573         data << "box" << ' ';
 574         params.write(data);
 575         return data.str();
 576 }
 577
 578
 579 void InsetBox::string2params(string const & in, InsetBoxParams & params)
 580 {
 581         if (in.empty())
 582                 return;
 583
 584         istringstream data(in);
 585         Lexer lex;
 586         lex.setStream(data);
 587
 588         string name;
 589         lex >> name;
 590         if (!lex || name != "box") {
 591                 LYXERR0("InsetBox::string2params(" << in << ")\n"
 592                                           "Expected arg 1 to be \"box\"\n");
 593                 return;
 594         }
 595
 596         // This is part of the inset proper that is usually swallowed
 597         // by Text::readInset
 598         string id;
 599         lex >> id;
 600         if (!lex || id != "Box") {
 601                 LYXERR0("InsetBox::string2params(" << in << ")\n"
 602                                           "Expected arg 2 to be \"Box\"\n");
 603         }
 604
 605         params = InsetBoxParams(string());
 606         params.read(lex);
 607 }
 608
 609
 610 /////////////////////////////////////////////////////////////////////////
 611 //
 612 // InsetBoxParams
 613 //
 614 /////////////////////////////////////////////////////////////////////////
 615
 616 InsetBoxParams::InsetBoxParams(string const & label)
 617         : type(label),
 618           use_parbox(false),
 619           use_makebox(false),
 620           inner_box(true),
 621           width(Length("100col%")),
 622           special("none"),
 623           pos('t'),
 624           hor_pos('c'),
 625           inner_pos('t'),
 626           height(Length("1in")),
 627           height_special("totalheight") // default is 1\\totalheight
 628 {}
 629
 630
 631 void InsetBoxParams::write(ostream & os) const
 632 {
 633         os << "Box " << type << "\n";
 634         os << "position \"" << pos << "\"\n";
 635         os << "hor_pos \"" << hor_pos << "\"\n";
 636         os << "has_inner_box " << inner_box << "\n";
 637         os << "inner_pos \"" << inner_pos << "\"\n";
 638         os << "use_parbox " << use_parbox << "\n";
 639         os << "use_makebox " << use_makebox << "\n";
 640         os << "width \"" << width.asString() << "\"\n";
 641         os << "special \"" << special << "\"\n";
 642         os << "height \"" << height.asString() << "\"\n";
 643         os << "height_special \"" << height_special << "\"\n";
 644 }
 645
 646
 647 void InsetBoxParams::read(Lexer & lex)
 648 {
 649         lex.setContext("InsetBoxParams::read");
 650         lex >> type;
 651         lex >> "position" >> pos;
 652         lex >> "hor_pos" >> hor_pos;
 653         lex >> "has_inner_box" >> inner_box;
 654         if (type == "Framed")
 655                 inner_box = false;
 656         lex >> "inner_pos" >> inner_pos;
 657         lex >> "use_parbox" >> use_parbox;
 658         lex >> "use_makebox" >> use_makebox;
 659         lex >> "width" >> width;
 660         lex >> "special" >> special;
 661         lex >> "height" >> height;
 662         lex >> "height_special" >> height_special;
 663 }
 664
 665
 666 } // namespace lyx