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 "BufferView.h"
  18 #include "dispatchresult.h"
  19 #include "funcrequest.h"
  20 #include "FuncStatus.h"
  21 #include "cursor.h"
  22 #include "gettext.h"
  23 #include "LaTeXFeatures.h"
  24 #include "LColor.h"
  25 #include "lyxlex.h"
  26 #include "lyxtext.h"
  27 #include "metricsinfo.h"
  28 #include "paragraph.h"
  29 #include "paragraph_funcs.h"
  30 #include "sgml.h"
  31
  32 #include "frontends/font_metrics.h"
  33 #include "frontends/Painter.h"
  34
  35 #include <sstream>
  36
  37
  38 using std::string;
  39 using std::auto_ptr;
  40 using std::istringstream;
  41 using std::ostream;
  42 using std::ostringstream;
  43
  44
  45 void InsetCharStyle::init()
  46 {
  47         setInsetName("CharStyle");
  48         setStatus(Inlined);
  49         setDrawFrame(false);
  50         has_label_ = true;
  51 }
  52
  53
  54 InsetCharStyle::InsetCharStyle(BufferParams const & bp,
  55                                 CharStyles::iterator cs)
  56         : InsetCollapsable(bp)
  57 {
  58         params_.type = cs->name;
  59         params_.latextype = cs->latextype;
  60         params_.latexname = cs->latexname;
  61         params_.latexparam = cs->latexparam;
  62         params_.font = cs->font;
  63         params_.labelfont = cs->labelfont;
  64         init();
  65 }
  66
  67
  68 InsetCharStyle::InsetCharStyle(InsetCharStyle const & in)
  69         : InsetCollapsable(in), params_(in.params_)
  70 {
  71         init();
  72 }
  73
  74
  75 auto_ptr<InsetBase> InsetCharStyle::doClone() const
  76 {
  77         return auto_ptr<InsetBase>(new InsetCharStyle(*this));
  78 }
  79
  80
  81 string const InsetCharStyle::editMessage() const
  82 {
  83         return _("Opened CharStyle Inset");
  84 }
  85
  86
  87 void InsetCharStyle::write(Buffer const & buf, ostream & os) const
  88 {
  89         params_.write(os);
  90         InsetCollapsable::write(buf, os);
  91 }
  92
  93
  94 void InsetCharStyle::read(Buffer const & buf, LyXLex & lex)
  95 {
  96         InsetCollapsable::read(buf, lex);
  97         setStatus(Inlined);
  98 }
  99
 100
 101 void InsetCharStyle::metrics(MetricsInfo & mi, Dimension & dim) const
 102 {
 103         LyXFont tmpfont = mi.base.font;
 104         getDrawFont(mi.base.font);
 105         mi.base.font.reduce(LyXFont(LyXFont::ALL_SANE));
 106         mi.base.font.realize(tmpfont);
 107         mi.base.textwidth -= 2 * TEXT_TO_INSET_OFFSET;
 108         InsetText::metrics(mi, dim);
 109         mi.base.font = tmpfont;
 110         dim.asc += TEXT_TO_INSET_OFFSET;
 111         dim.des += TEXT_TO_INSET_OFFSET;
 112         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 113         mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
 114         dim_ = dim;
 115         if (has_label_)
 116                 dim_.des += ascent();
 117 }
 118
 119
 120 void InsetCharStyle::draw(PainterInfo & pi, int x, int y) const
 121 {
 122         setPosCache(pi, x, y);
 123
 124         LyXFont tmpfont = pi.base.font;
 125         getDrawFont(pi.base.font);
 126         // I don't understand why the above .reduce and .realize aren't
 127         //needed, or even wanted, here. It just works. -- MV 10.04.2005
 128         InsetText::draw(pi, x, y);
 129         pi.base.font = tmpfont;
 130
 131         int desc = InsetText::descent();
 132         if (has_label_)
 133                 desc -= ascent();
 134
 135         pi.pain.line(x, y + desc - 4, x, y + desc, params_.labelfont.color());
 136         pi.pain.line(x, y + desc, x + dim_.wid - 3, y + desc,
 137                 params_.labelfont.color());
 138         pi.pain.line(x + dim_.wid - 3, y + desc, x + dim_.wid - 3, y + desc - 4,
 139                 params_.labelfont.color());
 140
 141         // the name of the charstyle. Can be toggled.
 142         if (has_label_) {
 143                 LyXFont font(params_.labelfont);
 144                 font.realize(LyXFont(LyXFont::ALL_SANE));
 145                 font.decSize();
 146                 font.decSize();
 147                 int w = 0;
 148                 int a = 0;
 149                 int d = 0;
 150                 font_metrics::rectText(params_.type, font, w, a, d);
 151                 pi.pain.rectText(x + (dim_.wid - w) / 2, y + desc + a,
 152                         params_.type, font, LColor::none, LColor::none);
 153         }
 154
 155         // a visual clue when the cursor is inside the inset
 156         LCursor & cur = pi.base.bv->cursor();
 157         if (cur.isInside(this)) {
 158                 y -= ascent();
 159                 pi.pain.line(x, y + 4, x, y, params_.labelfont.color());
 160                 pi.pain.line(x + 4, y, x, y, params_.labelfont.color());
 161                 pi.pain.line(x + dim_.wid - 3, y + 4, x + dim_.wid - 3, y,
 162                         params_.labelfont.color());
 163                 pi.pain.line(x + dim_.wid - 7, y, x + dim_.wid - 3, y,
 164                         params_.labelfont.color());
 165         }
 166 }
 167
 168
 169 void InsetCharStyle::getDrawFont(LyXFont & font) const
 170 {
 171         font = params_.font;
 172 }
 173
 174
 175 void InsetCharStyle::doDispatch(LCursor & cur, FuncRequest & cmd)
 176 {
 177         setStatus(Inlined);
 178         switch (cmd.action) {
 179                 case LFUN_MOUSE_PRESS:
 180                         if (cmd.button() == mouse_button::button3)
 181                                 has_label_ = !has_label_;
 182                         else
 183                                 InsetText::doDispatch(cur, cmd);
 184                         break;
 185
 186                 default:
 187                         InsetCollapsable::doDispatch(cur, cmd);
 188                         break;
 189         }
 190 }
 191
 192
 193 bool InsetCharStyle::getStatus(LCursor & cur, FuncRequest const & cmd,
 194         FuncStatus & status) const
 195 {
 196         switch (cmd.action) {
 197                 // paragraph breaks not allowed in charstyle insets
 198                 case LFUN_BREAKPARAGRAPH:
 199                 case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 200                 case LFUN_BREAKPARAGRAPH_SKIP:
 201                         status.enabled(false);
 202                         return true;
 203
 204                 default:
 205                         return InsetCollapsable::getStatus(cur, cmd, status);
 206                 }
 207 }
 208
 209
 210 int InsetCharStyle::latex(Buffer const & buf, ostream & os,
 211                      OutputParams const & runparams) const
 212 {
 213         os << "\\" << params_.latexname;
 214         if (!params_.latexparam.empty())
 215                 os << params_.latexparam;
 216         os << "{";
 217         int i = InsetText::latex(buf, os, runparams);
 218         os << "}";
 219         return i;
 220 }
 221
 222
 223 int InsetCharStyle::linuxdoc(Buffer const & buf, ostream & os,
 224                              OutputParams const & runparams) const
 225 {
 226         sgml::openTag(os, params_.latexname, params_.latexparam);
 227         int i = InsetText::linuxdoc(buf, os, runparams);
 228         sgml::closeTag(os, params_.latexname);
 229         return i;
 230 }
 231
 232
 233 int InsetCharStyle::docbook(Buffer const & buf, ostream & os,
 234                             OutputParams const & runparams) const
 235 {
 236         ParagraphList::const_iterator par = paragraphs().begin();
 237         ParagraphList::const_iterator end = paragraphs().end();
 238
 239         sgml::openTag(os, params_.latexname, par->getID(buf, runparams) + params_.latexparam);
 240
 241         for (; par != end; ++par) {
 242                 par->simpleDocBookOnePar(buf, os, runparams,
 243                                          outerFont(par - paragraphs().begin(),
 244                                                    paragraphs()));
 245         }
 246
 247         sgml::closeTag(os, params_.latexname);
 248         return 0;
 249 }
 250
 251
 252 int InsetCharStyle::plaintext(Buffer const & buf, ostream & os,
 253                               OutputParams const & runparams) const
 254 {
 255         return InsetText::plaintext(buf, os, runparams);
 256 }
 257
 258
 259 void InsetCharStyle::validate(LaTeXFeatures & features) const
 260 {
 261         features.require(params_.type);
 262         InsetText::validate(features);
 263 }
 264
 265
 266 void InsetCharStyleParams::write(ostream & os) const
 267 {
 268         os << "CharStyle " << type << "\n";
 269 }
 270
 271
 272 void InsetCharStyleParams::read(LyXLex & lex)
 273 {
 274         if (lex.isOK()) {
 275                 lex.next();
 276                 string token = lex.getString();
 277         }
 278
 279         if (lex.isOK()) {
 280                 lex.next();
 281                 type = lex.getString();
 282         }
 283 }