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