src/insets/insetbase.C

   1 /**
   2  * \file insetbase.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insetbase.h"
  14
  15 #include "buffer.h"
  16 #include "coordcache.h"
  17 #include "BufferView.h"
  18 #include "LColor.h"
  19 #include "cursor.h"
  20 #include "debug.h"
  21 #include "dimension.h"
  22 #include "dispatchresult.h"
  23 #include "funcrequest.h"
  24 #include "FuncStatus.h"
  25 #include "gettext.h"
  26 #include "lyxtext.h"
  27 #include "metricsinfo.h"
  28
  29 #include "frontends/Painter.h"
  30
  31 #include <map>
  32
  33
  34 namespace {
  35
  36 class InsetName {
  37 public:
  38         InsetName(std::string const & n, InsetBase::Code c)
  39                 : name(n), code(c) {}
  40         std::string name;
  41         InsetBase::Code code;
  42 };
  43
  44
  45 typedef std::map<std::string, InsetBase::Code> TranslatorMap;
  46
  47
  48 TranslatorMap const build_translator()
  49 {
  50         InsetName const insetnames[] = {
  51                 InsetName("toc", InsetBase::TOC_CODE),
  52                 InsetName("quote", InsetBase::QUOTE_CODE),
  53                 InsetName("ref", InsetBase::REF_CODE),
  54                 InsetName("url", InsetBase::URL_CODE),
  55                 InsetName("htmlurl", InsetBase::HTMLURL_CODE),
  56                 InsetName("separator", InsetBase::SEPARATOR_CODE),
  57                 InsetName("ending", InsetBase::ENDING_CODE),
  58                 InsetName("label", InsetBase::LABEL_CODE),
  59                 InsetName("note", InsetBase::NOTE_CODE),
  60                 InsetName("accent", InsetBase::ACCENT_CODE),
  61                 InsetName("math", InsetBase::MATH_CODE),
  62                 InsetName("index", InsetBase::INDEX_CODE),
  63                 InsetName("include", InsetBase::INCLUDE_CODE),
  64                 InsetName("graphics", InsetBase::GRAPHICS_CODE),
  65                 InsetName("bibitem", InsetBase::BIBITEM_CODE),
  66                 InsetName("bibtex", InsetBase::BIBTEX_CODE),
  67                 InsetName("text", InsetBase::TEXT_CODE),
  68                 InsetName("ert", InsetBase::ERT_CODE),
  69                 InsetName("foot", InsetBase::FOOT_CODE),
  70                 InsetName("margin", InsetBase::MARGIN_CODE),
  71                 InsetName("float", InsetBase::FLOAT_CODE),
  72                 InsetName("wrap", InsetBase::WRAP_CODE),
  73                 InsetName("specialchar", InsetBase::SPECIALCHAR_CODE),
  74                 InsetName("tabular", InsetBase::TABULAR_CODE),
  75                 InsetName("external", InsetBase::EXTERNAL_CODE),
  76                 InsetName("caption", InsetBase::CAPTION_CODE),
  77                 InsetName("mathmacro", InsetBase::MATHMACRO_CODE),
  78                 InsetName("error", InsetBase::ERROR_CODE),
  79                 InsetName("cite", InsetBase::CITE_CODE),
  80                 InsetName("float_list", InsetBase::FLOAT_LIST_CODE),
  81                 InsetName("index_print", InsetBase::INDEX_PRINT_CODE),
  82                 InsetName("optarg", InsetBase::OPTARG_CODE),
  83                 InsetName("environment", InsetBase::ENVIRONMENT_CODE),
  84                 InsetName("hfill", InsetBase::HFILL_CODE),
  85                 InsetName("newline", InsetBase::NEWLINE_CODE),
  86                 InsetName("line", InsetBase::LINE_CODE),
  87                 InsetName("branch", InsetBase::BRANCH_CODE),
  88                 InsetName("box", InsetBase::BOX_CODE),
  89                 InsetName("charstyle", InsetBase::CHARSTYLE_CODE),
  90                 InsetName("vspace", InsetBase::VSPACE_CODE),
  91                 InsetName("mathmacroarg", InsetBase::MATHMACROARG_CODE),
  92         };
  93
  94         std::size_t const insetnames_size =
  95                 sizeof(insetnames) / sizeof(insetnames[0]);
  96
  97         std::map<std::string, InsetBase::Code> data;
  98         for (std::size_t i = 0; i != insetnames_size; ++i) {
  99                 InsetName const & var = insetnames[i];
 100                 data[var.name] = var.code;
 101         }
 102
 103         return data;
 104 }
 105
 106 } // namespace anon
 107
 108
 109 InsetBase::InsetBase()
 110 {}
 111
 112
 113 InsetBase::InsetBase(InsetBase const &)
 114 {}
 115
 116
 117 InsetBase::Code InsetBase::translate(std::string const & name)
 118 {
 119         static TranslatorMap const translator = build_translator();
 120
 121         TranslatorMap::const_iterator it = translator.find(name);
 122         return it == translator.end() ? NO_CODE : it->second;
 123 }
 124
 125
 126 void InsetBase::dispatch(LCursor & cur, FuncRequest & cmd)
 127 {
 128         cur.needsUpdate();
 129         cur.dispatched();
 130         doDispatch(cur, cmd);
 131 }
 132
 133
 134 void InsetBase::doDispatch(LCursor & cur, FuncRequest &)
 135 {
 136         cur.noUpdate();
 137         cur.undispatched();
 138 }
 139
 140
 141 bool InsetBase::getStatus(LCursor &, FuncRequest const & cmd,
 142         FuncStatus & flag) const
 143 {
 144         // LFUN_INSET_APPLY is sent from the dialogs when the data should
 145         // be applied. This is either changed to LFUN_INSET_MODIFY (if the
 146         // dialog belongs to us) or LFUN_INSET_INSERT (if the dialog does
 147         // not belong to us, i. e. the dialog was open, and the user moved
 148         // the cursor in our inset) in LyXFunc::getStatus().
 149         // Dialogs::checkStatus() ensures that the dialog is deactivated if
 150         // LFUN_INSET_APPLY is disabled.
 151
 152         switch (cmd.action) {
 153         case LFUN_INSET_MODIFY:
 154                 // Allow modification of our data.
 155                 // This needs to be handled in the doDispatch method of our
 156                 // instantiatable children.
 157                 flag.enabled(true);
 158                 return true;
 159
 160         case LFUN_INSET_INSERT:
 161                 // Don't allow insertion of new insets.
 162                 // Every inset that wants to allow new insets from open
 163                 // dialogs needs to override this.
 164                 flag.enabled(false);
 165                 return true;
 166
 167         default:
 168                 return false;
 169         }
 170 }
 171
 172
 173 void InsetBase::edit(LCursor &, bool)
 174 {
 175         lyxerr << "InsetBase: edit left/right" << std::endl;
 176 }
 177
 178
 179 InsetBase * InsetBase::editXY(LCursor &, int x, int y)
 180 {
 181         lyxerr << "InsetBase: editXY x:" << x << " y: " << y << std::endl;
 182         return this;
 183 }
 184
 185
 186 InsetBase::idx_type InsetBase::index(row_type row, col_type col) const
 187 {
 188         if (row != 0)
 189                 lyxerr << "illegal row: " << row << std::endl;
 190         if (col != 0)
 191                 lyxerr << "illegal col: " << col << std::endl;
 192         return 0;
 193 }
 194
 195
 196 bool InsetBase::idxBetween(idx_type idx, idx_type from, idx_type to) const
 197 {
 198         return from <= idx && idx <= to;
 199 }
 200
 201
 202 bool InsetBase::idxUpDown(LCursor &, bool) const
 203 {
 204         return false;
 205 }
 206
 207
 208 int InsetBase::plaintext(Buffer const &,
 209         std::ostream &, OutputParams const &) const
 210 {
 211         return 0;
 212 }
 213
 214
 215 int InsetBase::linuxdoc(Buffer const &,
 216         std::ostream &, OutputParams const &) const
 217 {
 218         return 0;
 219 }
 220
 221
 222 int InsetBase::docbook(Buffer const &,
 223         std::ostream &, OutputParams const &) const
 224 {
 225         return 0;
 226 }
 227
 228
 229 bool InsetBase::directWrite() const
 230 {
 231         return false;
 232 }
 233
 234
 235 InsetBase::EDITABLE InsetBase::editable() const
 236 {
 237         return NOT_EDITABLE;
 238 }
 239
 240
 241 bool InsetBase::autoDelete() const
 242 {
 243         return false;
 244 }
 245
 246
 247 std::string const InsetBase::editMessage() const
 248 {
 249         return _("Opened inset");
 250 }
 251
 252
 253 std::string const & InsetBase::getInsetName() const
 254 {
 255         static std::string const name = "unknown";
 256         return name;
 257 }
 258
 259
 260 void InsetBase::markErased()
 261 {}
 262
 263
 264 void InsetBase::getCursorPos(CursorSlice const &, int & x, int & y) const
 265 {
 266         lyxerr << "InsetBase::getCursorPos called directly" << std::endl;
 267         x = 100;
 268         y = 100;
 269 }
 270
 271
 272 void InsetBase::metricsMarkers(Dimension & dim, int framesize) const
 273 {
 274         dim.wid += 2 * framesize;
 275         dim.asc += framesize;
 276 }
 277
 278
 279 void InsetBase::metricsMarkers2(Dimension & dim, int framesize) const
 280 {
 281         dim.wid += 2 * framesize;
 282         dim.asc += framesize;
 283         dim.des += framesize;
 284 }
 285
 286
 287 void InsetBase::drawMarkers(PainterInfo & pi, int x, int y) const
 288 {
 289         if (!editing(pi.base.bv))
 290                 return;
 291         int const t = x + width() - 1;
 292         int const d = y + descent();
 293         pi.pain.line(x, d - 3, x, d, LColor::mathframe);
 294         pi.pain.line(t, d - 3, t, d, LColor::mathframe);
 295         pi.pain.line(x, d, x + 3, d, LColor::mathframe);
 296         pi.pain.line(t - 3, d, t, d, LColor::mathframe);
 297         setPosCache(pi, x, y);
 298 }
 299
 300
 301 void InsetBase::drawMarkers2(PainterInfo & pi, int x, int y) const
 302 {
 303         if (!editing(pi.base.bv))
 304                 return;
 305         drawMarkers(pi, x, y);
 306         int const t = x + width() - 1;
 307         int const a = y - ascent();
 308         pi.pain.line(x, a + 3, x, a, LColor::mathframe);
 309         pi.pain.line(t, a + 3, t, a, LColor::mathframe);
 310         pi.pain.line(x, a, x + 3, a, LColor::mathframe);
 311         pi.pain.line(t - 3, a, t, a, LColor::mathframe);
 312         setPosCache(pi, x, y);
 313 }
 314
 315
 316 bool InsetBase::editing(BufferView * bv) const
 317 {
 318         return bv->cursor().isInside(this);
 319 }
 320
 321
 322 int InsetBase::xo() const
 323 {
 324         return theCoords.getInsets().x(this);
 325 }
 326
 327
 328 int InsetBase::yo() const
 329 {
 330         return theCoords.getInsets().y(this);
 331 }
 332
 333
 334 bool InsetBase::covers(int x, int y) const
 335 {
 336         //lyxerr << "InsetBase::covers, x: " << x << " y: " << y
 337         //      << " xo: " << xo() << " yo: " << yo()
 338         //      << " x1: " << xo() << " x2: " << xo() + width()
 339         //      << " y1: " << yo() - ascent() << " y2: " << yo() + descent()
 340         //      << std::endl;
 341         return theCoords.getInsets().has(this)
 342                         && x >= xo()
 343                         && x <= xo() + width()
 344                         && y >= yo() - ascent()
 345                         && y <= yo() + descent();
 346 }
 347
 348
 349 void InsetBase::dump() const
 350 {
 351         Buffer buf("foo", 1);
 352         write(buf, lyxerr);
 353 }
 354
 355
 356 /////////////////////////////////////////
 357
 358 bool isEditableInset(InsetBase const * inset)
 359 {
 360         return inset && inset->editable();
 361 }
 362
 363
 364 bool isHighlyEditableInset(InsetBase const * inset)
 365 {
 366         return inset && inset->editable() == InsetBase::HIGHLY_EDITABLE;
 367 }