src/insets/InsetCharStyle.cpp

   1 /**
   2  * \file InsetCharStyle.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 "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 "Color.h"
  27 #include "Lexer.h"
  28 #include "Text.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
  55
  56 InsetCharStyle::InsetCharStyle(BufferParams const & bp, string const s)
  57         : InsetCollapsable(bp, Collapsed)
  58 {
  59         params_.name = s;
  60         setUndefined();
  61         init();
  62 }
  63
  64
  65 InsetCharStyle::InsetCharStyle(BufferParams const & bp,
  66                                 CharStyles::iterator cs)
  67         : InsetCollapsable(bp, Collapsed)
  68 {
  69         params_.name = cs->name;
  70         setDefined(cs);
  71         init();
  72 }
  73
  74
  75 InsetCharStyle::InsetCharStyle(InsetCharStyle const & in)
  76         : InsetCollapsable(in), params_(in.params_)
  77 {
  78         init();
  79 }
  80
  81
  82 auto_ptr<Inset> InsetCharStyle::doClone() const
  83 {
  84         return auto_ptr<Inset>(new InsetCharStyle(*this));
  85 }
  86
  87
  88 bool InsetCharStyle::undefined() const
  89 {
  90         return layout_.latexname.empty();
  91 }
  92
  93
  94 void InsetCharStyle::setUndefined()
  95 {
  96         layout_.latextype.clear();
  97         layout_.latexname.clear();
  98         layout_.latexparam.clear();
  99         layout_.font = Font(Font::ALL_INHERIT);
 100         layout_.labelfont = Font(Font::ALL_INHERIT);
 101         layout_.labelfont.setColor(Color::error);
 102 }
 103
 104
 105 void InsetCharStyle::setDefined(CharStyles::iterator cs)
 106 {
 107         layout_ = *cs;
 108 }
 109
 110
 111 docstring const InsetCharStyle::editMessage() const
 112 {
 113         return _("Opened CharStyle Inset");
 114 }
 115
 116
 117 void InsetCharStyle::write(Buffer const & buf, ostream & os) const
 118 {
 119         params_.write(os);
 120         InsetCollapsable::write(buf, os);
 121 }
 122
 123
 124 void InsetCharStyle::read(Buffer const & buf, Lexer & lex)
 125 {
 126         params_.read(lex);
 127         InsetCollapsable::read(buf, lex);
 128 }
 129
 130
 131 bool InsetCharStyle::metrics(MetricsInfo & mi, Dimension & dim) const
 132 {
 133         Font tmpfont = mi.base.font;
 134         getDrawFont(mi.base.font);
 135         mi.base.font.reduce(Font(Font::ALL_SANE));
 136         mi.base.font.realize(tmpfont);
 137         bool changed = InsetCollapsable::metrics(mi, dim);
 138         mi.base.font = tmpfont;
 139         if (status() == Open) {
 140                 // FIXME UNICODE
 141                 docstring s(from_utf8(params_.name));
 142                 if (undefined())
 143                         s = _("Undef: ") + s;
 144                 // Chop off prefix:
 145                 if (s.find(':') != string::npos)
 146                         s = s.substr(s.find(':'));
 147                 layout_.labelstring = s;
 148         }
 149         return changed;
 150 }
 151
 152
 153 void InsetCharStyle::draw(PainterInfo & pi, int x, int y) const
 154 {
 155         setPosCache(pi, x, y);
 156
 157         Font tmpfont = pi.base.font;
 158         getDrawFont(pi.base.font);
 159         // I don't understand why the above .reduce and .realize aren't
 160         //needed, or even wanted, here. It just works. -- MV 10.04.2005
 161         InsetCollapsable::draw(pi, x, y);
 162         pi.base.font = tmpfont;
 163
 164         // the name of the charstyle. Can be toggled.
 165         if (status() == Open) {
 166                 // FIXME UNICODE
 167                 docstring s(from_utf8(params_.name));
 168                 if (undefined())
 169                         s = _("Undef: ") + s;
 170                 // Chop off prefix:
 171                 if (s.find(':') != string::npos)
 172                         s = s.substr(s.find(':'));
 173                 layout_.labelstring = s;
 174         }
 175 }
 176
 177
 178 void InsetCharStyle::getDrawFont(Font & font) const
 179 {
 180         font = layout_.font;
 181 }
 182
 183
 184 void InsetCharStyle::doDispatch(Cursor & cur, FuncRequest & cmd)
 185 {
 186         InsetCollapsable::doDispatch(cur, cmd);
 187 }
 188
 189
 190 bool InsetCharStyle::getStatus(Cursor & cur, FuncRequest const & cmd,
 191         FuncStatus & status) const
 192 {
 193         switch (cmd.action) {
 194                 // paragraph breaks not allowed in charstyle insets
 195                 case LFUN_BREAK_PARAGRAPH:
 196                 case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 197                 case LFUN_BREAK_PARAGRAPH_SKIP:
 198                         status.enabled(false);
 199                         return true;
 200
 201                 default:
 202                         return InsetCollapsable::getStatus(cur, cmd, status);
 203                 }
 204 }
 205
 206
 207 int InsetCharStyle::latex(Buffer const & buf, odocstream & os,
 208                           OutputParams const & runparams) const
 209 {
 210         if (!undefined()) {
 211                 // FIXME UNICODE
 212                 os << '\\' << from_utf8(layout_.latexname);
 213                 if (!layout_.latexparam.empty())
 214                         os << from_utf8(layout_.latexparam);
 215                 os << '{';
 216         }
 217         int i = InsetText::latex(buf, os, runparams);
 218         if (!undefined())
 219                 os << "}";
 220         return i;
 221 }
 222
 223
 224 int InsetCharStyle::plaintext(Buffer const & buf, odocstream & os,
 225                               OutputParams const & runparams) const
 226 {
 227         return InsetText::plaintext(buf, os, runparams);
 228 }
 229
 230
 231 int InsetCharStyle::docbook(Buffer const & buf, odocstream & os,
 232                             OutputParams const & runparams) const
 233 {
 234         ParagraphList::const_iterator beg = paragraphs().begin();
 235         ParagraphList::const_iterator par = paragraphs().begin();
 236         ParagraphList::const_iterator end = paragraphs().end();
 237
 238         if (!undefined())
 239                 // FIXME UNICODE
 240                 sgml::openTag(os, layout_.latexname,
 241                               par->getID(buf, runparams) + layout_.latexparam);
 242
 243         for (; par != end; ++par) {
 244                 par->simpleDocBookOnePar(buf, os, runparams,
 245                                          outerFont(std::distance(beg, par),
 246                                                    paragraphs()));
 247         }
 248
 249         if (!undefined())
 250                 sgml::closeTag(os, layout_.latexname);
 251
 252         return 0;
 253 }
 254
 255
 256 void InsetCharStyle::textString(Buffer const & buf, odocstream & os) const
 257 {
 258         os << paragraphs().begin()->asString(buf, true);
 259 }
 260
 261
 262 void InsetCharStyle::validate(LaTeXFeatures & features) const
 263 {
 264         // Force inclusion of preamble snippet in layout file
 265         features.require(params_.name);
 266         InsetText::validate(features);
 267 }
 268
 269
 270 void InsetCharStyleParams::write(ostream & os) const
 271 {
 272         os << "CharStyle " << name << "\n";
 273 }
 274
 275
 276 void InsetCharStyleParams::read(Lexer & lex)
 277 {
 278         while (lex.isOK()) {
 279                 lex.next();
 280                 string token = lex.getString();
 281
 282                 if (token == "CharStyle") {
 283                         lex.next();
 284                         name = lex.getString();
 285                 }
 286
 287                 // This is handled in Collapsable
 288                 else if (token == "status") {
 289                         lex.pushToken(token);
 290                         break;
 291                 }
 292         }
 293 }
 294
 295
 296 } // namespace lyx