src/insets/insetert.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1998 The LyX Team.
   7  *
   8  *======================================================*/
   9
  10 #include <config.h>
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 #include "insetert.h"
  17 #include "gettext.h"
  18 #include "lyxfont.h"
  19 #include "buffer.h"
  20 #include "insets/insettext.h"
  21 #include "support/LOstream.h"
  22 #include "lyx_gui_misc.h"
  23 #include "BufferView.h"
  24 #include "LyXView.h"
  25 #include "lyxtext.h"
  26 #include "frontends/Dialogs.h"
  27 #include "debug.h"
  28
  29 using std::ostream;
  30
  31 void InsetERT::init()
  32 {
  33         setButtonLabel();
  34         labelfont = LyXFont(LyXFont::ALL_SANE);
  35         labelfont.decSize();
  36         labelfont.decSize();
  37         labelfont.setColor(LColor::latex);
  38         setInsetName("ERT");
  39
  40 }
  41
  42
  43 InsetERT::InsetERT(bool collapsed)
  44         : InsetCollapsable(collapsed)
  45 {
  46         if (collapsed)
  47                 status_ = Collapsed;
  48         else
  49                 status_ = Open;
  50         init();
  51 }
  52
  53
  54 InsetERT::InsetERT(InsetERT const & in, bool same_id)
  55         : InsetCollapsable(in, same_id), status_(in.status_)
  56 {
  57         init();
  58 }
  59
  60
  61 Inset * InsetERT::clone(Buffer const &, bool same_id) const
  62 {
  63         return new InsetERT(*const_cast<InsetERT *>(this), same_id);
  64 }
  65
  66
  67 InsetERT::InsetERT(string const & contents, bool collapsed)
  68         : InsetCollapsable(collapsed)
  69 {
  70         if (collapsed)
  71                 status_ = Collapsed;
  72         else
  73                 status_ = Open;
  74 #ifndef INHERIT_LANG
  75         LyXFont font(LyXFont::ALL_INHERIT, latex_language);
  76 #else
  77         LyXFont font(LyXFont::ALL_INHERIT);
  78 #endif
  79         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
  80         font.setColor(LColor::latex);
  81         string::const_iterator cit = contents.begin();
  82         string::const_iterator end = contents.end();
  83         Paragraph::size_type pos = 0;
  84         for (; cit != end; ++cit) {
  85                 inset.paragraph()->insertChar(pos++, *cit, font);
  86         }
  87         // the init has to be after the initialization of the paragraph
  88         // because of the label settings (draw_label for ert insets).
  89         init();
  90 }
  91
  92
  93 InsetERT::~InsetERT()
  94 {
  95         hideDialog();
  96 }
  97
  98
  99 void InsetERT::read(Buffer const * buf, LyXLex & lex)
 100 {
 101         bool token_found = false;
 102         if (lex.isOK()) {
 103                 lex.next();
 104                 string const token = lex.getString();
 105                 if (token == "status") {
 106                         lex.next();
 107                         string const tmp_token = lex.getString();
 108
 109                         if (tmp_token == "Inlined") {
 110                                 status(0, Inlined);
 111                         } else if (tmp_token == "Collapsed") {
 112                                 status(0, Collapsed);
 113                         } else {
 114                                 // leave this as default!
 115                                 status(0, Open);
 116                         }
 117
 118                         token_found = true;
 119                 } else {
 120                         lyxerr << "InsetERT::Read: Missing 'status'-tag!"
 121                                    << std::endl;
 122                         // take countermeasures
 123                         lex.pushToken(token);
 124                 }
 125         }
 126 #warning this should be really short lived only for compatibility to
 127 #warning files written 07/08/2001 so this has to go before 1.2.0! (Jug)
 128         if (lex.isOK()) {
 129                 lex.next();
 130                 string const token = lex.getString();
 131                 if (token == "collapsed") {
 132                         lex.next();
 133                         collapsed_ = lex.getBool();
 134                 } else {
 135                         // Take countermeasures
 136                         lex.pushToken(token);
 137                 }
 138         }
 139         inset.read(buf, lex);
 140         if (!token_found) {
 141                 if (collapsed_) {
 142                         status(0, Collapsed);
 143                 } else {
 144                         status(0, Open);
 145                 }
 146         }
 147         setButtonLabel();
 148 }
 149
 150
 151 void InsetERT::write(Buffer const * buf, ostream & os) const
 152 {
 153         string st;
 154
 155         switch(status_) {
 156         case Open:
 157                 st = "Open";
 158                 break;
 159         case Collapsed:
 160                 st = "Collapsed";
 161                 break;
 162         case Inlined:
 163                 st = "Inlined";
 164                 break;
 165         }
 166
 167         os << getInsetName() << "\n"
 168            << "status "<< st << "\n";
 169
 170         inset.writeParagraphData(buf, os);
 171 }
 172
 173
 174 string const InsetERT::editMessage() const
 175 {
 176         return _("Opened ERT Inset");
 177 }
 178
 179
 180 bool InsetERT::insertInset(BufferView *, Inset *)
 181 {
 182         return false;
 183 }
 184
 185
 186 void InsetERT::setFont(BufferView *, LyXFont const &, bool, bool selectall)
 187 {
 188         // if selectall is activated then the fontchange was an outside general
 189         // fontchange and this messages is not needed
 190         if (!selectall)
 191                 WriteAlert(_("Impossible Operation!"),
 192                            _("Not permitted to change font-types inside ERT-insets!"),
 193                            _("Sorry."));
 194 }
 195
 196
 197 void InsetERT::edit(BufferView * bv, int x, int y, unsigned int button)
 198 {
 199         InsetCollapsable::edit(bv, x, y, button);
 200         set_latex_font(bv);
 201 }
 202
 203
 204 Inset::EDITABLE InsetERT::editable() const
 205 {
 206         if (status_ == Collapsed)
 207                 return IS_EDITABLE;
 208         return HIGHLY_EDITABLE;
 209 }
 210
 211
 212 void InsetERT::edit(BufferView * bv, bool front)
 213 {
 214         InsetCollapsable::edit(bv, front);
 215         set_latex_font(bv);
 216 }
 217
 218
 219 void InsetERT::insetButtonRelease(BufferView * bv, int x, int y, int button)
 220 {
 221         if (button == 3) {
 222                 showInsetDialog(bv);
 223                 return;
 224         }
 225         if ((x >= 0)  && (x < button_length) &&
 226             (y >= button_top_y) &&  (y <= button_bottom_y))
 227         {
 228 //              if (collapsed_) {
 229 //                      setLabel(_("ERT"));
 230 //              } else {
 231 //                      setLabel(get_new_label());
 232 //              }
 233                 if (collapsed_) {
 234                         status(bv, Open);
 235 //                      collapsed_ = false;
 236 //                      inset.insetButtonRelease(bv, 0, 0, button);
 237 //                      inset.setUpdateStatus(bv, InsetText::FULL);
 238 //                      bv->updateInset(this, true);
 239                 } else {
 240                         status(bv, Collapsed);
 241 //                      collapsed_ = true;
 242 //                      bv->unlockInset(this);
 243 //                      bv->updateInset(this, true);
 244                 }
 245         } else if (!collapsed_ && (y > button_bottom_y)) {
 246                 LyXFont font(LyXFont::ALL_SANE);
 247                 int yy = ascent(bv, font) + y -
 248                     (ascent_collapsed() +
 249                      descent_collapsed() +
 250                      inset.ascent(bv, font));
 251                 inset.insetButtonRelease(bv, x, yy, button);
 252         }
 253 }
 254
 255
 256 int InsetERT::latex(Buffer const *, std::ostream & os, bool /*fragile*/,
 257                     bool /*free_spc*/) const
 258 {
 259         Paragraph * par = inset.paragraph();
 260         while (par) {
 261                 Paragraph::size_type siz = inset.paragraph()->size();
 262                 for (Paragraph::size_type i = 0; i != siz; ++i) {
 263                         char c = inset.paragraph()->getChar(i);
 264                         switch (c) {
 265                         case Paragraph::META_NEWLINE:
 266                                 os << '\n';
 267                                 break;
 268                         default:
 269                                 os << c;
 270                                 break;
 271                         }
 272                 }
 273                 par = par->next();
 274         }
 275
 276         return 1;
 277 }
 278
 279
 280 int InsetERT::ascii(Buffer const *,
 281                     std::ostream &, int /*linelen*/) const
 282 {
 283         return 0;
 284 }
 285
 286
 287 int InsetERT::linuxdoc(Buffer const *, std::ostream &) const
 288 {
 289         return 0;
 290 }
 291
 292
 293 int InsetERT::docBook(Buffer const *, std::ostream &) const
 294 {
 295         return 0;
 296 }
 297
 298
 299 UpdatableInset::RESULT
 300 InsetERT::localDispatch(BufferView * bv, kb_action action, string const & arg)
 301 {
 302         UpdatableInset::RESULT result = DISPATCHED_NOUPDATE;
 303
 304         if (!inset.paragraph()->size()) {
 305                 set_latex_font(bv);
 306         }
 307
 308         switch(action) {
 309         case LFUN_LAYOUT:
 310                 bv->owner()->setLayout(inset.paragraph()->getLayout());
 311                 break;
 312         default:
 313                 result = InsetCollapsable::localDispatch(bv, action, arg);
 314         }
 315         switch(action) {
 316         case LFUN_BREAKPARAGRAPH:
 317         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 318                 set_latex_font(bv);
 319                 break;
 320
 321         default:
 322                 break;
 323         }
 324         return result;
 325 }
 326
 327
 328 string const InsetERT::get_new_label() const
 329 {
 330         string la;
 331         Paragraph::size_type const max_length = 15;
 332
 333         Paragraph::size_type const p_siz = inset.paragraph()->size();
 334         Paragraph::size_type const n = std::min(max_length, p_siz);
 335         int i = 0;
 336         int j = 0;
 337         for(; i < n && j < p_siz; ++j) {
 338                 if (inset.paragraph()->isInset(j))
 339                         continue;
 340                 la += inset.paragraph()->getChar(j);
 341                 ++i;
 342         }
 343         if (i > 0 && j < p_siz) {
 344                 la += "...";
 345         }
 346         if (la.empty()) {
 347                 la = _("ERT");
 348         }
 349         return la;
 350 }
 351
 352
 353 void InsetERT::setButtonLabel() const
 354 {
 355         if (status_ == Collapsed) {
 356                 setLabel(get_new_label());
 357         } else {
 358                 setLabel(_("ERT"));
 359         }
 360 }
 361
 362
 363 bool InsetERT::checkInsertChar(LyXFont & font)
 364 {
 365 #ifndef INHERIT_LANG
 366         LyXFont f(LyXFont::ALL_INHERIT, latex_language);
 367 #else
 368         LyXFont f(LyXFont::ALL_INHERIT);
 369 #endif
 370         font = f;
 371         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 372         font.setColor(LColor::latex);
 373         return true;
 374 }
 375
 376
 377 int InsetERT::ascent(BufferView * bv, LyXFont const & font) const
 378 {
 379         if (!inlined())
 380                 return InsetCollapsable::ascent(bv, font);
 381
 382         return inset.ascent(bv, font);
 383 }
 384
 385
 386 int InsetERT::descent(BufferView * bv, LyXFont const & font) const
 387 {
 388         if (!inlined())
 389                 return InsetCollapsable::descent(bv, font);
 390
 391         return inset.descent(bv, font);
 392 }
 393
 394
 395 int InsetERT::width(BufferView * bv, LyXFont const & font) const
 396 {
 397         if (!inlined())
 398                 return InsetCollapsable::width(bv, font);
 399
 400         return inset.width(bv, font);
 401 }
 402
 403
 404 void InsetERT::draw(BufferView * bv, LyXFont const & f,
 405                     int baseline, float & x, bool cleared) const
 406 {
 407         Painter & pain = bv->painter();
 408
 409         button_length = width_collapsed();
 410         button_top_y = -ascent(bv, f);
 411         button_bottom_y = -ascent(bv, f) + ascent_collapsed() +
 412                 descent_collapsed();
 413
 414         if (!isOpen()) {
 415                 draw_collapsed(pain, baseline, x);
 416                 x += TEXT_TO_INSET_OFFSET;
 417                 return;
 418         }
 419
 420         float old_x = x;
 421
 422         if (!owner())
 423                 x += static_cast<float>(scroll());
 424
 425         if (!cleared && (inset.need_update == InsetText::FULL ||
 426                          inset.need_update == InsetText::INIT ||
 427                          top_x != int(x) ||
 428                          top_baseline != baseline))
 429         {
 430                 // we don't need anymore to clear here we just have to tell
 431                 // the underlying LyXText that it should do the RowClear!
 432                 inset.setUpdateStatus(bv, InsetText::FULL);
 433                 bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 434                 return;
 435         }
 436
 437         top_x = int(x);
 438         topx_set = true;
 439         top_baseline = baseline;
 440
 441         int const bl = baseline - ascent(bv, f) + ascent_collapsed();
 442
 443         if (inlined()) {
 444                 inset.draw(bv, f, baseline, x, cleared);
 445         } else {
 446                 draw_collapsed(pain, bl, old_x);
 447                 inset.draw(bv, f,
 448                                    bl + descent_collapsed() + inset.ascent(bv, f),
 449                                    x, cleared);
 450         }
 451         need_update = NONE;
 452 }
 453
 454
 455 void InsetERT::set_latex_font(BufferView * bv)
 456 {
 457 #ifndef INHERIT_LANG
 458         LyXFont font(LyXFont::ALL_INHERIT, latex_language);
 459 #else
 460         LyXFont font(LyXFont::ALL_INHERIT);
 461 #endif
 462
 463         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 464         font.setColor(LColor::latex);
 465         inset.getLyXText(bv)->setFont(bv, font, false);
 466 }
 467
 468
 469 void InsetERT::status(BufferView * bv, ERTStatus const st) const
 470 {
 471         if (st != status_) {
 472                 status_ = st;
 473                 switch(st) {
 474                 case Inlined:
 475                         inset.setAutoBreakRows(false);
 476                         break;
 477                 case Open:
 478                         inset.setAutoBreakRows(true);
 479                         collapsed_ = false;
 480                         need_update = FULL;
 481                         setButtonLabel();
 482                         break;
 483                 case Collapsed:
 484                         inset.setAutoBreakRows(true);
 485                         collapsed_ = true;
 486                         need_update = FULL;
 487                         setButtonLabel();
 488                         if (bv)
 489                                 bv->unlockInset(const_cast<InsetERT *>(this));
 490                         break;
 491                 }
 492                 if (bv)
 493                         bv->updateInset(const_cast<InsetERT *>(this), true);
 494         }
 495 }
 496
 497
 498 bool InsetERT::showInsetDialog(BufferView * bv) const
 499 {
 500         bv->owner()->getDialogs()->showERT(const_cast<InsetERT *>(this));
 501         return true;
 502 }
 503
 504
 505 void InsetERT::open(BufferView * bv)
 506 {
 507         if (!collapsed_)
 508                 return;
 509         status(bv, Open);
 510 }
 511
 512
 513 void InsetERT::close(BufferView * bv) const
 514 {
 515         if (collapsed_)
 516                 return;
 517         status(bv, Collapsed);
 518 }