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