src/insets/insetcharstyle.C

   1 /**
   2  * \file insetcharstyle.C
   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 "insetcharstyle.h"
  16
  17 #include "buffer.h"
  18 #include "bufferparams.h"
  19 #include "BufferView.h"
  20 #include "dispatchresult.h"
  21 #include "funcrequest.h"
  22 #include "FuncStatus.h"
  23 #include "cursor.h"
  24 #include "gettext.h"
  25 #include "LaTeXFeatures.h"
  26 #include "LColor.h"
  27 #include "lyxlex.h"
  28 #include "lyxtext.h"
  29 #include "metricsinfo.h"
  30 #include "paragraph.h"
  31 #include "paragraph_funcs.h"
  32 #include "sgml.h"
  33
  34 #include "frontends/FontMetrics.h"
  35 #include "frontends/Painter.h"
  36
  37 #include "support/convert.h"
  38
  39 #include <sstream>
  40
  41
  42 namespace lyx {
  43
  44 using std::string;
  45 using std::auto_ptr;
  46 using std::istringstream;
  47 using std::max;
  48 using std::ostream;
  49 using std::ostringstream;
  50
  51
  52 void InsetCharStyle::init()
  53 {
  54         setInsetName(from_utf8("CharStyle"));
  55         setInlined();
  56         setDrawFrame(false);
  57 }
  58
  59
  60 InsetCharStyle::InsetCharStyle(BufferParams const & bp, string const s)
  61         : InsetCollapsable(bp)
  62 {
  63         params_.type = s;
  64         setUndefined();
  65         init();
  66 }
  67
  68
  69 InsetCharStyle::InsetCharStyle(BufferParams const & bp,
  70                                 CharStyles::iterator cs)
  71         : InsetCollapsable(bp)
  72 {
  73         params_.type = cs->name;
  74         setDefined(cs);
  75         init();
  76 }
  77
  78
  79 InsetCharStyle::InsetCharStyle(InsetCharStyle const & in)
  80         : InsetCollapsable(in), params_(in.params_)
  81 {
  82         init();
  83 }
  84
  85
  86 auto_ptr<InsetBase> InsetCharStyle::doClone() const
  87 {
  88         return auto_ptr<InsetBase>(new InsetCharStyle(*this));
  89 }
  90
  91
  92 bool InsetCharStyle::undefined() const
  93 {
  94         return params_.latexname.empty();
  95 }
  96
  97
  98 void InsetCharStyle::setUndefined()
  99 {
 100         params_.latextype.clear();
 101         params_.latexname.clear();
 102         params_.latexparam.clear();
 103         params_.font = LyXFont(LyXFont::ALL_INHERIT);
 104         params_.labelfont = LyXFont(LyXFont::ALL_INHERIT);
 105         params_.labelfont.setColor(LColor::error);
 106         params_.show_label = true;
 107 }
 108
 109
 110 void InsetCharStyle::setDefined(CharStyles::iterator cs)
 111 {
 112         params_.latextype = cs->latextype;
 113         params_.latexname = cs->latexname;
 114         params_.latexparam = cs->latexparam;
 115         params_.font = cs->font;
 116         params_.labelfont = cs->labelfont;
 117         params_.show_label = true;
 118 }
 119
 120
 121 docstring const InsetCharStyle::editMessage() const
 122 {
 123         return _("Opened CharStyle Inset");
 124 }
 125
 126
 127 void InsetCharStyle::write(Buffer const & buf, ostream & os) const
 128 {
 129         params_.write(os);
 130         InsetCollapsable::write(buf, os);
 131 }
 132
 133
 134 void InsetCharStyle::read(Buffer const & buf, LyXLex & lex)
 135 {
 136         params_.read(lex);
 137         InsetCollapsable::read(buf, lex);
 138         setInlined();
 139 }
 140
 141
 142 bool InsetCharStyle::metrics(MetricsInfo & mi, Dimension & dim) const
 143 {
 144         LyXFont tmpfont = mi.base.font;
 145         getDrawFont(mi.base.font);
 146         mi.base.font.reduce(LyXFont(LyXFont::ALL_SANE));
 147         mi.base.font.realize(tmpfont);
 148         mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
 149         InsetText::metrics(mi, dim);
 150         mi.base.font = tmpfont;
 151         if (params_.show_label) {
 152                 // consider width of the inset label
 153                 LyXFont font(params_.labelfont);
 154                 font.realize(LyXFont(LyXFont::ALL_SANE));
 155                 font.decSize();
 156                 font.decSize();
 157                 int w = 0;
 158                 int a = 0;
 159                 int d = 0;
 160                 // FIXME UNICODE
 161                 docstring s(from_utf8(params_.type));
 162                 if (undefined())
 163                         s = _("Undef: ") + s;
 164                 theFontMetrics(font).rectText(s, w, a, d);
 165                 dim.wid = max(dim.wid, w);
 166         }
 167         dim.asc += TEXT_TO_INSET_OFFSET;
 168         dim.des += TEXT_TO_INSET_OFFSET;
 169         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 170         mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
 171         if (params_.show_label)
 172                 dim.des += ascent();
 173         bool const changed = dim_ != dim;
 174         dim_ = dim;
 175         return changed;
 176 }
 177
 178
 179 void InsetCharStyle::draw(PainterInfo & pi, int x, int y) const
 180 {
 181         setPosCache(pi, x, y);
 182
 183         LyXFont tmpfont = pi.base.font;
 184         getDrawFont(pi.base.font);
 185         // I don't understand why the above .reduce and .realize aren't
 186         //needed, or even wanted, here. It just works. -- MV 10.04.2005
 187         InsetText::draw(pi, x, y);
 188         pi.base.font = tmpfont;
 189
 190         int desc = InsetText::descent();
 191         if (params_.show_label)
 192                 desc -= ascent();
 193
 194         pi.pain.line(x, y + desc - 4, x, y + desc, params_.labelfont.color());
 195         pi.pain.line(x, y + desc, x + dim_.wid - 3, y + desc,
 196                 params_.labelfont.color());
 197         pi.pain.line(x + dim_.wid - 3, y + desc, x + dim_.wid - 3, y + desc - 4,
 198                 params_.labelfont.color());
 199
 200         // the name of the charstyle. Can be toggled.
 201         if (params_.show_label) {
 202                 LyXFont font(params_.labelfont);
 203                 font.realize(LyXFont(LyXFont::ALL_SANE));
 204                 font.decSize();
 205                 font.decSize();
 206                 int w = 0;
 207                 int a = 0;
 208                 int d = 0;
 209                 // FIXME UNICODE
 210                 docstring s(from_utf8(params_.type));
 211                 if (undefined())
 212                         s = _("Undef: ") + s;
 213                 theFontMetrics(font).rectText(s, w, a, d);
 214                 pi.pain.rectText(x + (dim_.wid - w) / 2, y + desc + a,
 215                         s, font, LColor::none, LColor::none);
 216         }
 217
 218         // a visual clue when the cursor is inside the inset
 219         LCursor & cur = pi.base.bv->cursor();
 220         if (cur.isInside(this)) {
 221                 y -= ascent();
 222                 pi.pain.line(x, y + 4, x, y, params_.labelfont.color());
 223                 pi.pain.line(x + 4, y, x, y, params_.labelfont.color());
 224                 pi.pain.line(x + dim_.wid - 3, y + 4, x + dim_.wid - 3, y,
 225                         params_.labelfont.color());
 226                 pi.pain.line(x + dim_.wid - 7, y, x + dim_.wid - 3, y,
 227                         params_.labelfont.color());
 228         }
 229 }
 230
 231
 232 void InsetCharStyle::getDrawFont(LyXFont & font) const
 233 {
 234         font = params_.font;
 235 }
 236
 237
 238 void InsetCharStyle::doDispatch(LCursor & cur, FuncRequest & cmd)
 239 {
 240         setInlined();
 241         switch (cmd.action) {
 242
 243         case LFUN_MOUSE_PRESS:
 244                         if (cmd.button() == mouse_button::button3)
 245                                 params_.show_label = !params_.show_label;
 246                         else
 247                                 InsetText::doDispatch(cur, cmd);
 248                         break;
 249
 250         case LFUN_INSET_TOGGLE:
 251                 if (cmd.argument() == "open")
 252                         params_.show_label = true;
 253                 else if (cmd.argument() == "close")
 254                         params_.show_label = false;
 255                 else if (cmd.argument() == "toggle" || cmd.argument().empty())
 256                         params_.show_label = !params_.show_label;
 257                 else // if assign or anything else
 258                         cur.undispatched();
 259                 cur.dispatched();
 260                 break;
 261
 262         default:
 263                 InsetCollapsable::doDispatch(cur, cmd);
 264                 break;
 265         }
 266 }
 267
 268
 269 bool InsetCharStyle::getStatus(LCursor & cur, FuncRequest const & cmd,
 270         FuncStatus & status) const
 271 {
 272         switch (cmd.action) {
 273                 // paragraph breaks not allowed in charstyle insets
 274                 case LFUN_BREAK_PARAGRAPH:
 275                 case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 276                 case LFUN_BREAK_PARAGRAPH_SKIP:
 277                         status.enabled(false);
 278                         return true;
 279
 280                 default:
 281                         return InsetCollapsable::getStatus(cur, cmd, status);
 282                 }
 283 }
 284
 285
 286 int InsetCharStyle::latex(Buffer const & buf, odocstream & os,
 287                      OutputParams const & runparams) const
 288 {
 289         if (!undefined()) {
 290                 // FIXME UNICODE
 291                 os << '\\' << from_utf8(params_.latexname);
 292                 if (!params_.latexparam.empty())
 293                         os << from_utf8(params_.latexparam);
 294                 os << '{';
 295         }
 296         int i = InsetText::latex(buf, os, runparams);
 297         if (!undefined())
 298                 os << "}";
 299         return i;
 300 }
 301
 302
 303 int InsetCharStyle::docbook(Buffer const & buf, odocstream & os,
 304                             OutputParams const & runparams) const
 305 {
 306         ParagraphList::const_iterator beg = paragraphs().begin();
 307         ParagraphList::const_iterator par = paragraphs().begin();
 308         ParagraphList::const_iterator end = paragraphs().end();
 309
 310         if (!undefined())
 311                 // FIXME UNICODE
 312                 sgml::openTag(os, params_.latexname,
 313                               par->getID(buf, runparams) + params_.latexparam);
 314
 315         for (; par != end; ++par) {
 316                 par->simpleDocBookOnePar(buf, os, runparams,
 317                                          outerFont(std::distance(beg, par),
 318                                                    paragraphs()));
 319         }
 320
 321         if (!undefined())
 322                 sgml::closeTag(os, params_.latexname);
 323
 324         return 0;
 325 }
 326
 327
 328 int InsetCharStyle::plaintext(Buffer const & buf, odocstream & os,
 329                               OutputParams const & runparams) const
 330 {
 331         return InsetText::plaintext(buf, os, runparams);
 332 }
 333
 334
 335 void InsetCharStyle::textString(Buffer const & buf, odocstream & os) const
 336 {
 337         os << paragraphs().begin()->asString(buf, true);
 338 }
 339
 340
 341 void InsetCharStyle::validate(LaTeXFeatures & features) const
 342 {
 343         // Force inclusion of preamble snippet in layout file
 344         features.require(params_.type);
 345         InsetText::validate(features);
 346 }
 347
 348
 349 void InsetCharStyleParams::write(ostream & os) const
 350 {
 351         os << "CharStyle " << type << "\n";
 352         os << "show_label " << convert<string>(show_label) << "\n";
 353 }
 354
 355
 356 void InsetCharStyleParams::read(LyXLex & lex)
 357 {
 358         while (lex.isOK()) {
 359                 lex.next();
 360                 string token = lex.getString();
 361
 362                 if (token == "CharStyle") {
 363                         lex.next();
 364                         type = lex.getString();
 365                 }
 366
 367                 else if (token == "show_label") {
 368                         lex.next();
 369                         show_label = lex.getBool();
 370                 }
 371
 372                 else if (token == "status") {
 373                         lex.pushToken(token);
 374                         break;
 375                 }
 376         }
 377 }
 378
 379
 380 } // namespace lyx