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