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         if (status_ != Inlined) {
 201                 if (collapsed_) {
 202                         status(0, Collapsed);
 203                 } else {
 204                         status(0, Open);
 205                 }
 206         }
 207         set_latex_font(bv);
 208 }
 209
 210
 211 Inset::EDITABLE InsetERT::editable() const
 212 {
 213         if (status_ == Collapsed)
 214                 return IS_EDITABLE;
 215         return HIGHLY_EDITABLE;
 216 }
 217
 218
 219 void InsetERT::edit(BufferView * bv, bool front)
 220 {
 221         InsetCollapsable::edit(bv, front);
 222         if (status_ != Inlined) {
 223                 if (collapsed_) {
 224                         status(0, Collapsed);
 225                 } else {
 226                         status(0, Open);
 227                 }
 228         }
 229         set_latex_font(bv);
 230 }
 231
 232
 233 void InsetERT::insetButtonRelease(BufferView * bv, int x, int y, int button)
 234 {
 235         if (button == 3) {
 236                 showInsetDialog(bv);
 237                 return;
 238         }
 239         if ((x >= 0)  && (x < button_length) &&
 240             (y >= button_top_y) &&  (y <= button_bottom_y))
 241         {
 242 //              if (collapsed_) {
 243 //                      setLabel(_("ERT"));
 244 //              } else {
 245 //                      setLabel(get_new_label());
 246 //              }
 247                 if (collapsed_) {
 248                         status(bv, Open);
 249 //                      collapsed_ = false;
 250 //                      inset.insetButtonRelease(bv, 0, 0, button);
 251 //                      inset.setUpdateStatus(bv, InsetText::FULL);
 252 //                      bv->updateInset(this, true);
 253                 } else {
 254                         status(bv, Collapsed);
 255 //                      collapsed_ = true;
 256 //                      bv->unlockInset(this);
 257 //                      bv->updateInset(this, true);
 258                 }
 259         } else if (!collapsed_ && (y > button_bottom_y)) {
 260                 LyXFont font(LyXFont::ALL_SANE);
 261                 int yy = ascent(bv, font) + y -
 262                     (ascent_collapsed() +
 263                      descent_collapsed() +
 264                      inset.ascent(bv, font));
 265                 inset.insetButtonRelease(bv, x, yy, button);
 266         }
 267 }
 268
 269
 270 int InsetERT::latex(Buffer const *, std::ostream & os, bool /*fragile*/,
 271                     bool /*free_spc*/) const
 272 {
 273         Paragraph * par = inset.paragraph();
 274         while (par) {
 275                 Paragraph::size_type siz = inset.paragraph()->size();
 276                 for (Paragraph::size_type i = 0; i != siz; ++i) {
 277                         char c = inset.paragraph()->getChar(i);
 278                         switch (c) {
 279                         case Paragraph::META_NEWLINE:
 280                                 os << '\n';
 281                                 break;
 282                         default:
 283                                 os << c;
 284                                 break;
 285                         }
 286                 }
 287                 par = par->next();
 288         }
 289
 290         return 1;
 291 }
 292
 293
 294 int InsetERT::ascii(Buffer const *,
 295                     std::ostream &, int /*linelen*/) const
 296 {
 297         return 0;
 298 }
 299
 300
 301 int InsetERT::linuxdoc(Buffer const *, std::ostream &) const
 302 {
 303         return 0;
 304 }
 305
 306
 307 int InsetERT::docBook(Buffer const *, std::ostream &) const
 308 {
 309         return 0;
 310 }
 311
 312
 313 UpdatableInset::RESULT
 314 InsetERT::localDispatch(BufferView * bv, kb_action action, string const & arg)
 315 {
 316         UpdatableInset::RESULT result = DISPATCHED_NOUPDATE;
 317
 318         if (!inset.paragraph()->size()) {
 319                 set_latex_font(bv);
 320         }
 321
 322         switch(action) {
 323         case LFUN_LAYOUT:
 324                 bv->owner()->setLayout(inset.paragraph()->getLayout());
 325                 break;
 326         default:
 327                 result = InsetCollapsable::localDispatch(bv, action, arg);
 328         }
 329         switch(action) {
 330         case LFUN_BREAKPARAGRAPH:
 331         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 332                 set_latex_font(bv);
 333                 break;
 334
 335         default:
 336                 break;
 337         }
 338         return result;
 339 }
 340
 341
 342 string const InsetERT::get_new_label() const
 343 {
 344         string la;
 345         Paragraph::size_type const max_length = 15;
 346
 347         Paragraph::size_type const p_siz = inset.paragraph()->size();
 348         Paragraph::size_type const n = std::min(max_length, p_siz);
 349         int i = 0;
 350         int j = 0;
 351         for(; i < n && j < p_siz; ++j) {
 352                 if (inset.paragraph()->isInset(j))
 353                         continue;
 354                 la += inset.paragraph()->getChar(j);
 355                 ++i;
 356         }
 357         if (i > 0 && j < p_siz) {
 358                 la += "...";
 359         }
 360         if (la.empty()) {
 361                 la = _("ERT");
 362         }
 363         return la;
 364 }
 365
 366
 367 void InsetERT::setButtonLabel() const
 368 {
 369         if (status_ == Collapsed) {
 370                 setLabel(get_new_label());
 371         } else {
 372                 setLabel(_("ERT"));
 373         }
 374 }
 375
 376
 377 bool InsetERT::checkInsertChar(LyXFont & font)
 378 {
 379 #ifndef INHERIT_LANG
 380         LyXFont f(LyXFont::ALL_INHERIT, latex_language);
 381 #else
 382         LyXFont f(LyXFont::ALL_INHERIT);
 383 #endif
 384         font = f;
 385         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 386         font.setColor(LColor::latex);
 387         return true;
 388 }
 389
 390
 391 int InsetERT::ascent(BufferView * bv, LyXFont const & font) const
 392 {
 393         if (!inlined())
 394                 return InsetCollapsable::ascent(bv, font);
 395
 396         return inset.ascent(bv, font);
 397 }
 398
 399
 400 int InsetERT::descent(BufferView * bv, LyXFont const & font) const
 401 {
 402         if (!inlined())
 403                 return InsetCollapsable::descent(bv, font);
 404
 405         return inset.descent(bv, font);
 406 }
 407
 408
 409 int InsetERT::width(BufferView * bv, LyXFont const & font) const
 410 {
 411         if (!inlined())
 412                 return InsetCollapsable::width(bv, font);
 413
 414         return inset.width(bv, font);
 415 }
 416
 417
 418 void InsetERT::draw(BufferView * bv, LyXFont const & f,
 419                     int baseline, float & x, bool cleared) const
 420 {
 421         Painter & pain = bv->painter();
 422
 423         button_length = width_collapsed();
 424         button_top_y = -ascent(bv, f);
 425         button_bottom_y = -ascent(bv, f) + ascent_collapsed() +
 426                 descent_collapsed();
 427
 428         if (!isOpen()) {
 429                 draw_collapsed(pain, baseline, x);
 430                 x += TEXT_TO_INSET_OFFSET;
 431                 return;
 432         }
 433
 434         float old_x = x;
 435
 436         if (!owner())
 437                 x += static_cast<float>(scroll());
 438
 439         if (!cleared && (inset.need_update == InsetText::FULL ||
 440                          inset.need_update == InsetText::INIT ||
 441                          top_x != int(x) ||
 442                          top_baseline != baseline))
 443         {
 444                 // we don't need anymore to clear here we just have to tell
 445                 // the underlying LyXText that it should do the RowClear!
 446                 inset.setUpdateStatus(bv, InsetText::FULL);
 447                 bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 448                 return;
 449         }
 450
 451         top_x = int(x);
 452         topx_set = true;
 453         top_baseline = baseline;
 454
 455         int const bl = baseline - ascent(bv, f) + ascent_collapsed();
 456
 457         if (inlined()) {
 458                 inset.draw(bv, f, baseline, x, cleared);
 459         } else {
 460                 draw_collapsed(pain, bl, old_x);
 461                 inset.draw(bv, f,
 462                                    bl + descent_collapsed() + inset.ascent(bv, f),
 463                                    x, cleared);
 464         }
 465         need_update = NONE;
 466 }
 467
 468
 469 void InsetERT::set_latex_font(BufferView * bv)
 470 {
 471 #ifndef INHERIT_LANG
 472         LyXFont font(LyXFont::ALL_INHERIT, latex_language);
 473 #else
 474         LyXFont font(LyXFont::ALL_INHERIT);
 475 #endif
 476
 477         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 478         font.setColor(LColor::latex);
 479         inset.getLyXText(bv)->setFont(bv, font, false);
 480 }
 481
 482
 483 void InsetERT::status(BufferView * bv, ERTStatus const st) const
 484 {
 485         if (st != status_) {
 486                 status_ = st;
 487                 switch(st) {
 488                 case Inlined:
 489                         inset.setAutoBreakRows(false);
 490                         break;
 491                 case Open:
 492                         inset.setAutoBreakRows(true);
 493                         collapsed_ = false;
 494                         need_update = FULL;
 495                         setButtonLabel();
 496                         break;
 497                 case Collapsed:
 498                         inset.setAutoBreakRows(true);
 499                         collapsed_ = true;
 500                         need_update = FULL;
 501                         setButtonLabel();
 502                         if (bv)
 503                                 bv->unlockInset(const_cast<InsetERT *>(this));
 504                         break;
 505                 }
 506                 if (bv)
 507                         bv->updateInset(const_cast<InsetERT *>(this), true);
 508         }
 509 }
 510
 511
 512 bool InsetERT::showInsetDialog(BufferView * bv) const
 513 {
 514         bv->owner()->getDialogs()->showERT(const_cast<InsetERT *>(this));
 515         return true;
 516 }
 517
 518
 519 void InsetERT::open(BufferView * bv)
 520 {
 521         if (!collapsed_)
 522                 return;
 523         status(bv, Open);
 524 }
 525
 526
 527 void InsetERT::close(BufferView * bv) const
 528 {
 529         if (collapsed_)
 530                 return;
 531         status(bv, Collapsed);
 532 }