src/insets/InsetPhantom.cpp

   1 /**
   2  * \file InsetPhantom.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Uwe Stöhr
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "InsetPhantom.h"
  14
  15 #include "Buffer.h"
  16 #include "BufferParams.h"
  17 #include "BufferView.h"
  18 #include "BufferParams.h"
  19 #include "Counters.h"
  20 #include "Cursor.h"
  21 #include "Dimension.h"
  22 #include "DispatchResult.h"
  23 #include "Exporter.h"
  24 #include "FuncRequest.h"
  25 #include "FuncStatus.h"
  26 #include "InsetIterator.h"
  27 #include "LaTeXFeatures.h"
  28 #include "Lexer.h"
  29 #include "MetricsInfo.h"
  30 #include "OutputParams.h"
  31 #include "TextClass.h"
  32
  33 #include "support/docstream.h"
  34 #include "support/gettext.h"
  35 #include "support/Translator.h"
  36
  37 #include "frontends/Application.h"
  38 #include "frontends/FontMetrics.h"
  39 #include "frontends/Painter.h"
  40
  41 #include <algorithm>
  42 #include <sstream>
  43
  44 using namespace std;
  45
  46 namespace lyx {
  47
  48 namespace {
  49
  50 typedef Translator<string, InsetPhantomParams::Type> PhantomTranslator;
  51 typedef Translator<docstring, InsetPhantomParams::Type> PhantomTranslatorLoc;
  52
  53 PhantomTranslator const init_phantomtranslator()
  54 {
  55         PhantomTranslator translator("Phantom", InsetPhantomParams::Phantom);
  56         translator.addPair("HPhantom", InsetPhantomParams::HPhantom);
  57         translator.addPair("VPhantom", InsetPhantomParams::VPhantom);
  58         return translator;
  59 }
  60
  61
  62 PhantomTranslatorLoc const init_phantomtranslator_loc()
  63 {
  64         PhantomTranslatorLoc translator(_("Phantom"), InsetPhantomParams::Phantom);
  65         translator.addPair(_("HPhantom"), InsetPhantomParams::HPhantom);
  66         translator.addPair(_("VPhantom"), InsetPhantomParams::VPhantom);
  67         return translator;
  68 }
  69
  70
  71 PhantomTranslator const & phantomtranslator()
  72 {
  73         static PhantomTranslator translator = init_phantomtranslator();
  74         return translator;
  75 }
  76
  77
  78 PhantomTranslatorLoc const & phantomtranslator_loc()
  79 {
  80         static PhantomTranslatorLoc translator = init_phantomtranslator_loc();
  81         return translator;
  82 }
  83
  84 } // anon
  85
  86
  87 InsetPhantomParams::InsetPhantomParams()
  88         : type(Phantom)
  89 {}
  90
  91
  92 void InsetPhantomParams::write(ostream & os) const
  93 {
  94         string const label = phantomtranslator().find(type);
  95         os << "Phantom " << label << "\n";
  96 }
  97
  98
  99 void InsetPhantomParams::read(Lexer & lex)
 100 {
 101         string label;
 102         lex >> label;
 103         if (lex)
 104                 type = phantomtranslator().find(label);
 105 }
 106
 107
 108 /////////////////////////////////////////////////////////////////////
 109 //
 110 // InsetPhantom
 111 //
 112 /////////////////////////////////////////////////////////////////////
 113
 114 InsetPhantom::InsetPhantom(Buffer const & buf, string const & label)
 115         : InsetCollapsable(buf)
 116 {
 117         params_.type = phantomtranslator().find(label);
 118 }
 119
 120
 121 InsetPhantom::~InsetPhantom()
 122 {
 123         hideDialogs("phantom", this);
 124 }
 125
 126
 127 docstring InsetPhantom::editMessage() const
 128 {
 129         return _("Opened Phantom Inset");
 130 }
 131
 132
 133 docstring InsetPhantom::name() const
 134 {
 135         return from_ascii("Phantom:" + phantomtranslator().find(params_.type));
 136 }
 137
 138
 139 Inset::DisplayType InsetPhantom::display() const
 140 {
 141         return Inline;
 142 }
 143
 144
 145 void InsetPhantom::metrics(MetricsInfo & mi, Dimension & dim) const
 146 {
 147         InsetText::metrics(mi, dim);
 148
 149         // cache the inset dimension
 150         setDimCache(mi, dim);
 151 }
 152
 153
 154 void InsetPhantom::draw(PainterInfo & pi, int x, int y) const
 155 {
 156         // draw the text
 157         InsetText::draw(pi, x, y);
 158
 159         // draw the arrow(s)
 160         static int const arrow_size = 4;
 161         ColorCode const origcol = pi.base.font.color();
 162         pi.base.font.setColor(Color_special);
 163         pi.base.font.setColor(origcol);
 164         Dimension const dim = dimension(*pi.base.bv);
 165
 166         if (params_.type == InsetPhantomParams::Phantom ||
 167                 params_.type == InsetPhantomParams::VPhantom) {
 168                 // y1---------
 169                 //           / \.
 170                 // y2-----  / | \.
 171                 //            |
 172                 //            |
 173                 // y3-----  \ | /
 174                 //           \ /
 175                 // y4---------
 176                 //          | | |
 177                 //         /  |  \.
 178                 //        x1  x2 x3
 179
 180                 int const x2 = x + dim.wid / 2;
 181                 int const x1 = x2 - arrow_size;
 182                 int const x3 = x2 + arrow_size;
 183
 184                 int const y1 = y - dim.asc;
 185                 int const y2 = y1 + arrow_size;
 186                 int const y4 = y + dim.des;
 187                 int const y3 = y4 - arrow_size;
 188
 189                 // top arrow
 190                 pi.pain.line(x2, y1, x1, y2, Color_added_space);
 191                 pi.pain.line(x2, y1, x3, y2, Color_added_space);
 192
 193                 // bottom arrow
 194                 pi.pain.line(x2, y4, x1, y3, Color_added_space);
 195                 pi.pain.line(x2, y4, x3, y3, Color_added_space);
 196
 197                 // joining line
 198                 pi.pain.line(x2, y1, x2, y4, Color_added_space);
 199         }
 200
 201         if (params_.type == InsetPhantomParams::Phantom ||
 202                 params_.type == InsetPhantomParams::HPhantom) {
 203                 // y1----   /          \.
 204                 //        /              \.
 205                 // y2--- <---------------->
 206                 //        \              /
 207                 // y3----   \          /
 208                 //       |   |        |   |
 209                 //      x1  x2       x3  x4
 210
 211                 int const x1 = x;
 212                 int const x2 = x + arrow_size;
 213                 int const x4 = x + dim.wid;
 214                 int const x3 = x4 - arrow_size;
 215
 216                 int const y2 = y + (dim.des - dim.asc) / 2;
 217                 int const y1 = y2 - arrow_size;
 218                 int const y3 = y2 + arrow_size;
 219
 220                 // left arrow
 221                 pi.pain.line(x1, y2, x2, y3, Color_added_space);
 222                 pi.pain.line(x1, y2, x2, y1, Color_added_space);
 223
 224                 // right arrow
 225                 pi.pain.line(x4, y2, x3, y3, Color_added_space);
 226                 pi.pain.line(x4, y2, x3, y1, Color_added_space);
 227
 228                 // joining line
 229                 pi.pain.line(x1, y2, x4, y2, Color_added_space);
 230         }
 231
 232         drawMarkers(pi, x, y);
 233 }
 234
 235
 236 void InsetPhantom::write(ostream & os) const
 237 {
 238         params_.write(os);
 239         InsetCollapsable::write(os);
 240 }
 241
 242
 243 void InsetPhantom::read(Lexer & lex)
 244 {
 245         params_.read(lex);
 246         InsetCollapsable::read(lex);
 247 }
 248
 249
 250 void InsetPhantom::setButtonLabel()
 251 {
 252         docstring const label = phantomtranslator_loc().find(params_.type);
 253         setLabel(label);
 254 }
 255
 256
 257 bool InsetPhantom::showInsetDialog(BufferView * bv) const
 258 {
 259         bv->showDialog("phantom", params2string(params()),
 260                 const_cast<InsetPhantom *>(this));
 261         return true;
 262 }
 263
 264
 265 void InsetPhantom::doDispatch(Cursor & cur, FuncRequest & cmd)
 266 {
 267         switch (cmd.action) {
 268
 269         case LFUN_INSET_MODIFY:
 270                 string2params(to_utf8(cmd.argument()), params_);
 271                 setLayout(buffer().params());
 272                 break;
 273
 274         case LFUN_INSET_DIALOG_UPDATE:
 275                 cur.bv().updateDialog("phantom", params2string(params()));
 276                 break;
 277
 278         default:
 279                 InsetCollapsable::doDispatch(cur, cmd);
 280                 break;
 281         }
 282 }
 283
 284
 285 bool InsetPhantom::getStatus(Cursor & cur, FuncRequest const & cmd,
 286                 FuncStatus & flag) const
 287 {
 288         switch (cmd.action) {
 289
 290         case LFUN_INSET_MODIFY:
 291                 flag.setEnabled(true);
 292                 return true;
 293
 294         case LFUN_INSET_DIALOG_UPDATE:
 295                 flag.setEnabled(true);
 296                 return true;
 297
 298         default:
 299                 return InsetCollapsable::getStatus(cur, cmd, flag);
 300         }
 301 }
 302
 303
 304 int InsetPhantom::latex(odocstream & os, OutputParams const & runparams_in) const
 305 {
 306         OutputParams runparams(runparams_in);
 307         if (params_.type == InsetPhantomParams::Phantom)
 308                 os << "\\phantom{";
 309         else if (params_.type == InsetPhantomParams::HPhantom)
 310                 os << "\\hphantom{";
 311         else if (params_.type == InsetPhantomParams::VPhantom)
 312                 os << "\\vphantom{";
 313         int const i = InsetText::latex(os, runparams);
 314         os << "}";
 315         runparams_in.encoding = runparams.encoding;
 316
 317         return i + 2;
 318 }
 319
 320
 321 int InsetPhantom::plaintext(odocstream & os,
 322                          OutputParams const & runparams_in) const
 323 {
 324         OutputParams runparams(runparams_in);
 325         if (params_.type == InsetPhantomParams::Phantom)
 326                 os << '[' << buffer().B_("phantom") << ":";
 327         else if (params_.type == InsetPhantomParams::HPhantom)
 328                 os << '[' << buffer().B_("hphantom") << ":";
 329         else if (params_.type == InsetPhantomParams::VPhantom)
 330                 os << '[' << buffer().B_("vphantom") << ":";
 331         InsetText::plaintext(os, runparams);
 332         os << "]";
 333
 334         return PLAINTEXT_NEWLINE;
 335 }
 336
 337
 338 int InsetPhantom::docbook(odocstream & os, OutputParams const & runparams_in) const
 339 {
 340         OutputParams runparams(runparams_in);
 341         string cmdname;
 342         if (params_.type == InsetPhantomParams::Phantom)
 343                 cmdname = "phantom";
 344         else if (params_.type == InsetPhantomParams::HPhantom)
 345                 cmdname = "phantom";
 346         else if (params_.type == InsetPhantomParams::VPhantom)
 347                 cmdname = "phantom";
 348         os << "<" + cmdname + ">";
 349         int const i = InsetText::docbook(os, runparams);
 350         os << "</" + cmdname + ">";
 351
 352         return i;
 353 }
 354
 355
 356 docstring InsetPhantom::contextMenu(BufferView const &, int, int) const
 357 {
 358         return from_ascii("context-phantom");
 359 }
 360
 361
 362 string InsetPhantom::params2string(InsetPhantomParams const & params)
 363 {
 364         ostringstream data;
 365         data << "phantom" << ' ';
 366         params.write(data);
 367         return data.str();
 368 }
 369
 370
 371 void InsetPhantom::string2params(string const & in, InsetPhantomParams & params)
 372 {
 373         params = InsetPhantomParams();
 374
 375         if (in.empty())
 376                 return;
 377
 378         istringstream data(in);
 379         Lexer lex;
 380         lex.setStream(data);
 381         lex.setContext("InsetPhantom::string2params");
 382         lex >> "phantom" >> "Phantom";
 383
 384         params.read(lex);
 385 }
 386
 387
 388 } // namespace lyx