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00019 #include "katesupercursor.h"
00020 #include "katesupercursor.moc"
00021
00022 #include "katedocument.h"
00023
00024 #include <kdebug.h>
00025
00026 #include <qobjectlist.h>
00027
00028 KateSuperCursor::KateSuperCursor(KateDocument* doc, bool privateC, const KateTextCursor& cursor, QObject* parent, const char* name)
00029 : QObject(parent, name)
00030 , KateDocCursor(cursor.line(), cursor.col(), doc)
00031 , Kate::Cursor ()
00032 , m_doc (doc)
00033 {
00034 m_moveOnInsert = false;
00035 m_lineRemoved = false;
00036 m_privateCursor = privateC;
00037
00038 m_doc->addSuperCursor (this, privateC);
00039 }
00040
00041 KateSuperCursor::KateSuperCursor(KateDocument* doc, bool privateC, int lineNum, int col, QObject* parent, const char* name)
00042 : QObject(parent, name)
00043 , KateDocCursor(lineNum, col, doc)
00044 , Kate::Cursor ()
00045 , m_doc (doc)
00046 {
00047 m_moveOnInsert = false;
00048 m_lineRemoved = false;
00049 m_privateCursor = privateC;
00050
00051 m_doc->addSuperCursor (this, privateC);
00052 }
00053
00054 KateSuperCursor::~KateSuperCursor ()
00055 {
00056 m_doc->removeSuperCursor (this, m_privateCursor);
00057 }
00058
00059 void KateSuperCursor::position(uint *pline, uint *pcol) const
00060 {
00061 KateDocCursor::position(pline, pcol);
00062 }
00063
00064 bool KateSuperCursor::setPosition(uint line, uint col)
00065 {
00066 if (line == uint(-2) && col == uint(-2)) { delete this; return true; }
00067 return KateDocCursor::setPosition(line, col);
00068 }
00069
00070 bool KateSuperCursor::insertText(const QString& s)
00071 {
00072 return KateDocCursor::insertText(s);
00073 }
00074
00075 bool KateSuperCursor::removeText(uint nbChar)
00076 {
00077 return KateDocCursor::removeText(nbChar);
00078 }
00079
00080 QChar KateSuperCursor::currentChar() const
00081 {
00082 return KateDocCursor::currentChar();
00083 }
00084
00085 bool KateSuperCursor::atStartOfLine() const
00086 {
00087 return col() == 0;
00088 }
00089
00090 bool KateSuperCursor::atEndOfLine() const
00091 {
00092 return col() >= (int)m_doc->kateTextLine(line())->length();
00093 }
00094
00095 bool KateSuperCursor::moveOnInsert() const
00096 {
00097 return m_moveOnInsert;
00098 }
00099
00100 void KateSuperCursor::setMoveOnInsert(bool moveOnInsert)
00101 {
00102 m_moveOnInsert = moveOnInsert;
00103 }
00104
00105 void KateSuperCursor::setLine(int lineNum)
00106 {
00107 int tempLine = line(), tempcol = col();
00108 KateDocCursor::setLine(lineNum);
00109
00110 if (tempLine != line() || tempcol != col())
00111 emit positionDirectlyChanged();
00112 }
00113
00114 void KateSuperCursor::setCol(int colNum)
00115 {
00116 KateDocCursor::setCol(colNum);
00117 }
00118
00119 void KateSuperCursor::setPos(const KateTextCursor& pos)
00120 {
00121 KateDocCursor::setPos(pos);
00122 }
00123
00124 void KateSuperCursor::setPos(int lineNum, int colNum)
00125 {
00126 KateDocCursor::setPos(lineNum, colNum);
00127 }
00128
00129 void KateSuperCursor::editTextInserted(uint line, uint col, uint len)
00130 {
00131 if (m_line == int(line))
00132 {
00133 if ((m_col > int(col)) || (m_moveOnInsert && (m_col == int(col))))
00134 {
00135 bool insertedAt = m_col == int(col);
00136
00137 m_col += len;
00138
00139 if (insertedAt)
00140 emit charInsertedAt();
00141
00142 emit positionChanged();
00143 return;
00144 }
00145 }
00146
00147 emit positionUnChanged();
00148 }
00149
00150 void KateSuperCursor::editTextRemoved(uint line, uint col, uint len)
00151 {
00152 if (m_line == int(line))
00153 {
00154 if (m_col > int(col))
00155 {
00156 if (m_col > int(col + len))
00157 {
00158 m_col -= len;
00159 }
00160 else
00161 {
00162 bool prevCharDeleted = m_col == int(col + len);
00163
00164 m_col = col;
00165
00166 if (prevCharDeleted)
00167 emit charDeletedBefore();
00168 else
00169 emit positionDeleted();
00170 }
00171
00172 emit positionChanged();
00173 return;
00174
00175 }
00176 else if (m_col == int(col))
00177 {
00178 emit charDeletedAfter();
00179 }
00180 }
00181
00182 emit positionUnChanged();
00183 }
00184
00185 void KateSuperCursor::editLineWrapped(uint line, uint col, bool newLine)
00186 {
00187 if (newLine && (m_line > int(line)))
00188 {
00189 m_line++;
00190
00191 emit positionChanged();
00192 return;
00193 }
00194 else if ( (m_line == int(line)) && (m_col > int(col)) || (m_moveOnInsert && (m_col == int(col))) )
00195 {
00196 m_line++;
00197 m_col -= col;
00198
00199 emit positionChanged();
00200 return;
00201 }
00202
00203 emit positionUnChanged();
00204 }
00205
00206 void KateSuperCursor::editLineUnWrapped(uint line, uint col, bool removeLine, uint length)
00207 {
00208 if (removeLine && (m_line > int(line+1)))
00209 {
00210 m_line--;
00211
00212 emit positionChanged();
00213 return;
00214 }
00215 else if ( (m_line == int(line+1)) && (removeLine || (m_col < int(length))) )
00216 {
00217 m_line = line;
00218 m_col += col;
00219
00220 emit positionChanged();
00221 return;
00222 }
00223 else if ( (m_line == int(line+1)) && (m_col >= int(length)) )
00224 {
00225 m_col -= length;
00226
00227 emit positionChanged();
00228 return;
00229 }
00230
00231 emit positionUnChanged();
00232 }
00233
00234 void KateSuperCursor::editLineInserted (uint line)
00235 {
00236 if (m_line >= int(line))
00237 {
00238 m_line++;
00239
00240 emit positionChanged();
00241 return;
00242 }
00243
00244 emit positionUnChanged();
00245 }
00246
00247 void KateSuperCursor::editLineRemoved(uint line)
00248 {
00249 if (m_line > int(line))
00250 {
00251 m_line--;
00252
00253 emit positionChanged();
00254 return;
00255 }
00256 else if (m_line == int(line))
00257 {
00258 m_line = (line <= m_doc->lastLine()) ? line : (line - 1);
00259 m_col = 0;
00260
00261 emit positionDeleted();
00262
00263 emit positionChanged();
00264 return;
00265 }
00266
00267 emit positionUnChanged();
00268 }
00269
00270 KateSuperCursor::operator QString()
00271 {
00272 return QString("[%1,%1]").arg(line()).arg(col());
00273 }
00274
00275 KateSuperRange::KateSuperRange(KateSuperCursor* start, KateSuperCursor* end, QObject* parent, const char* name)
00276 : QObject(parent, name)
00277 , m_start(start)
00278 , m_end(end)
00279 , m_evaluate(false)
00280 , m_startChanged(false)
00281 , m_endChanged(false)
00282 , m_deleteCursors(false)
00283 , m_allowZeroLength(false)
00284 {
00285 init();
00286 }
00287
00288 KateSuperRange::KateSuperRange(KateDocument* doc, const KateRange& range, QObject* parent, const char* name)
00289 : QObject(parent, name)
00290 , m_start(new KateSuperCursor(doc, true, range.start()))
00291 , m_end(new KateSuperCursor(doc, true, range.end()))
00292 , m_evaluate(false)
00293 , m_startChanged(false)
00294 , m_endChanged(false)
00295 , m_deleteCursors(true)
00296 , m_allowZeroLength(false)
00297 {
00298 init();
00299 }
00300
00301 KateSuperRange::KateSuperRange(KateDocument* doc, const KateTextCursor& start, const KateTextCursor& end, QObject* parent, const char* name)
00302 : QObject(parent, name)
00303 , m_start(new KateSuperCursor(doc, true, start))
00304 , m_end(new KateSuperCursor(doc, true, end))
00305 , m_evaluate(false)
00306 , m_startChanged(false)
00307 , m_endChanged(false)
00308 , m_deleteCursors(true)
00309 , m_allowZeroLength(false)
00310 {
00311 init();
00312 }
00313
00314 void KateSuperRange::init()
00315 {
00316 Q_ASSERT(isValid());
00317 if (!isValid())
00318 kdDebug(13020) << superStart() << " " << superEnd() << endl;
00319
00320 insertChild(m_start);
00321 insertChild(m_end);
00322
00323 setBehaviour(DoNotExpand);
00324
00325
00326 connect(m_start, SIGNAL(positionDirectlyChanged()), SIGNAL(contentsChanged()));
00327 connect(m_end, SIGNAL(positionDirectlyChanged()), SIGNAL(contentsChanged()));
00328
00329 connect(m_start, SIGNAL(positionChanged()), SLOT(slotEvaluateChanged()));
00330 connect(m_end, SIGNAL(positionChanged()), SLOT(slotEvaluateChanged()));
00331 connect(m_start, SIGNAL(positionUnChanged()), SLOT(slotEvaluateUnChanged()));
00332 connect(m_end, SIGNAL(positionUnChanged()), SLOT(slotEvaluateUnChanged()));
00333 connect(m_start, SIGNAL(positionDeleted()), SIGNAL(boundaryDeleted()));
00334 connect(m_end, SIGNAL(positionDeleted()), SIGNAL(boundaryDeleted()));
00335 }
00336
00337 KateSuperRange::~KateSuperRange()
00338 {
00339 if (m_deleteCursors)
00340 {
00341
00342
00343 delete m_start;
00344 delete m_end;
00345 }
00346 }
00347
00348 KateTextCursor& KateSuperRange::start()
00349 {
00350 return *m_start;
00351 }
00352
00353 const KateTextCursor& KateSuperRange::start() const
00354 {
00355 return *m_start;
00356 }
00357
00358 KateTextCursor& KateSuperRange::end()
00359 {
00360 return *m_end;
00361 }
00362
00363 const KateTextCursor& KateSuperRange::end() const
00364 {
00365 return *m_end;
00366 }
00367
00368 KateSuperCursor& KateSuperRange::superStart()
00369 {
00370 return *m_start;
00371 }
00372
00373 const KateSuperCursor& KateSuperRange::superStart() const
00374 {
00375 return *m_start;
00376 }
00377
00378 KateSuperCursor& KateSuperRange::superEnd()
00379 {
00380 return *m_end;
00381 }
00382
00383 const KateSuperCursor& KateSuperRange::superEnd() const
00384 {
00385 return *m_end;
00386 }
00387
00388 int KateSuperRange::behaviour() const
00389 {
00390 return (m_start->moveOnInsert() ? DoNotExpand : ExpandLeft) | (m_end->moveOnInsert() ? ExpandRight : DoNotExpand);
00391 }
00392
00393 void KateSuperRange::setBehaviour(int behaviour)
00394 {
00395 m_start->setMoveOnInsert(behaviour & ExpandLeft);
00396 m_end->setMoveOnInsert(!(behaviour & ExpandRight));
00397 }
00398
00399 bool KateSuperRange::isValid() const
00400 {
00401 return superStart() <= superEnd();
00402 }
00403
00404 bool KateSuperRange::owns(const KateTextCursor& cursor) const
00405 {
00406 if (!includes(cursor)) return false;
00407
00408 if (children())
00409 for (QObjectListIt it(*children()); *it; ++it)
00410 if ((*it)->inherits("KateSuperRange"))
00411 if (static_cast<KateSuperRange*>(*it)->owns(cursor))
00412 return false;
00413
00414 return true;
00415 }
00416
00417 bool KateSuperRange::includes(const KateTextCursor& cursor) const
00418 {
00419 return isValid() && cursor >= superStart() && cursor < superEnd();
00420 }
00421
00422 bool KateSuperRange::includes(uint lineNum) const
00423 {
00424 return isValid() && (int)lineNum >= superStart().line() && (int)lineNum <= superEnd().line();
00425 }
00426
00427 bool KateSuperRange::includesWholeLine(uint lineNum) const
00428 {
00429 return isValid() && ((int)lineNum > superStart().line() || ((int)lineNum == superStart().line() && superStart().atStartOfLine())) && ((int)lineNum < superEnd().line() || ((int)lineNum == superEnd().line() && superEnd().atEndOfLine()));
00430 }
00431
00432 bool KateSuperRange::boundaryAt(const KateTextCursor& cursor) const
00433 {
00434 return isValid() && (cursor == superStart() || cursor == superEnd());
00435 }
00436
00437 bool KateSuperRange::boundaryOn(uint lineNum) const
00438 {
00439 return isValid() && (superStart().line() == (int)lineNum || superEnd().line() == (int)lineNum);
00440 }
00441
00442 void KateSuperRange::slotEvaluateChanged()
00443 {
00444 if (sender() == static_cast<QObject*>(m_start)) {
00445 if (m_evaluate) {
00446 if (!m_endChanged) {
00447
00448 evaluateEliminated();
00449
00450 } else {
00451
00452 evaluatePositionChanged();
00453 m_endChanged = false;
00454 }
00455
00456 } else {
00457 m_startChanged = true;
00458 }
00459
00460 } else {
00461 if (m_evaluate) {
00462 if (!m_startChanged) {
00463
00464 evaluateEliminated();
00465
00466 } else {
00467
00468 evaluatePositionChanged();
00469 m_startChanged = false;
00470 }
00471
00472 } else {
00473 m_endChanged = true;
00474 }
00475 }
00476
00477 m_evaluate = !m_evaluate;
00478 }
00479
00480 void KateSuperRange::slotEvaluateUnChanged()
00481 {
00482 if (sender() == static_cast<QObject*>(m_start)) {
00483 if (m_evaluate) {
00484 if (m_endChanged) {
00485
00486 evaluateEliminated();
00487 m_endChanged = false;
00488
00489 } else {
00490
00491 emit positionUnChanged();
00492 }
00493 }
00494
00495 } else {
00496 if (m_evaluate) {
00497 if (m_startChanged) {
00498
00499 evaluateEliminated();
00500 m_startChanged = false;
00501
00502 } else {
00503
00504 emit positionUnChanged();
00505 }
00506 }
00507 }
00508
00509 m_evaluate = !m_evaluate;
00510 }
00511
00512 void KateSuperRange::slotTagRange()
00513 {
00514 emit tagRange(this);
00515 }
00516
00517 void KateSuperRange::evaluateEliminated()
00518 {
00519 if (superStart() == superEnd()) {
00520 if (!m_allowZeroLength) emit eliminated();
00521 }
00522 else
00523 emit contentsChanged();
00524 }
00525
00526 void KateSuperRange::evaluatePositionChanged()
00527 {
00528 if (superStart() == superEnd())
00529 emit eliminated();
00530 else
00531 emit positionChanged();
00532 }
00533
00534 int KateSuperCursorList::compareItems(QPtrCollection::Item item1, QPtrCollection::Item item2)
00535 {
00536 if (*(static_cast<KateSuperCursor*>(item1)) == *(static_cast<KateSuperCursor*>(item2)))
00537 return 0;
00538
00539 return *(static_cast<KateSuperCursor*>(item1)) < *(static_cast<KateSuperCursor*>(item2)) ? -1 : 1;
00540 }
00541
00542 KateSuperRangeList::KateSuperRangeList(bool autoManage, QObject* parent, const char* name)
00543 : QObject(parent, name)
00544 , m_autoManage(autoManage)
00545 , m_connect(true)
00546 , m_trackingBoundaries(false)
00547 {
00548 setAutoManage(autoManage);
00549 }
00550
00551 KateSuperRangeList::KateSuperRangeList(const QPtrList<KateSuperRange>& rangeList, QObject* parent, const char* name)
00552 : QObject(parent, name)
00553 , m_autoManage(false)
00554 , m_connect(false)
00555 , m_trackingBoundaries(false)
00556 {
00557 appendList(rangeList);
00558 }
00559
00560 void KateSuperRangeList::appendList(const QPtrList<KateSuperRange>& rangeList)
00561 {
00562 for (QPtrListIterator<KateSuperRange> it = rangeList; *it; ++it)
00563 append(*it);
00564 }
00565
00566 void KateSuperRangeList::clear()
00567 {
00568 for (KateSuperRange* range = first(); range; range = next())
00569 emit rangeEliminated(range);
00570
00571 QPtrList<KateSuperRange>::clear();
00572 }
00573
00574 void KateSuperRangeList::connectAll()
00575 {
00576 if (!m_connect) {
00577 m_connect = true;
00578 for (KateSuperRange* range = first(); range; range = next()) {
00579 connect(range, SIGNAL(destroyed(QObject*)), SLOT(slotDeleted(QObject*)));
00580 connect(range, SIGNAL(eliminated()), SLOT(slotEliminated()));
00581 }
00582 }
00583 }
00584
00585 bool KateSuperRangeList::autoManage() const
00586 {
00587 return m_autoManage;
00588 }
00589
00590 void KateSuperRangeList::setAutoManage(bool autoManage)
00591 {
00592 m_autoManage = autoManage;
00593 setAutoDelete(m_autoManage);
00594 }
00595
00596 QPtrList<KateSuperRange> KateSuperRangeList::rangesIncluding(const KateTextCursor& cursor)
00597 {
00598 sort();
00599
00600 QPtrList<KateSuperRange> ret;
00601
00602 for (KateSuperRange* r = first(); r; r = next())
00603 if (r->includes(cursor))
00604 ret.append(r);
00605
00606 return ret;
00607 }
00608
00609 QPtrList<KateSuperRange> KateSuperRangeList::rangesIncluding(uint line)
00610 {
00611 sort();
00612
00613 QPtrList<KateSuperRange> ret;
00614
00615 for (KateSuperRange* r = first(); r; r = next())
00616 if (r->includes(line))
00617 ret.append(r);
00618
00619 return ret;
00620 }
00621
00622 bool KateSuperRangeList::rangesInclude(const KateTextCursor& cursor)
00623 {
00624 for (KateSuperRange* r = first(); r; r = next())
00625 if (r->includes(cursor))
00626 return true;
00627
00628 return false;
00629 }
00630
00631 void KateSuperRangeList::slotEliminated()
00632 {
00633 if (sender()) {
00634 KateSuperRange* range = static_cast<KateSuperRange*>(const_cast<QObject*>(sender()));
00635 emit rangeEliminated(range);
00636
00637 if (m_trackingBoundaries) {
00638 m_columnBoundaries.removeRef(range->m_start);
00639 m_columnBoundaries.removeRef(range->m_end);
00640 }
00641
00642 if (m_autoManage)
00643 removeRef(range);
00644
00645 if (!count())
00646 emit listEmpty();
00647 }
00648 }
00649
00650 void KateSuperRangeList::slotDeleted(QObject* range)
00651 {
00652
00653 KateSuperRange* r = static_cast<KateSuperRange*>(range);
00654
00655 if (m_trackingBoundaries) {
00656 m_columnBoundaries.removeRef(r->m_start);
00657 m_columnBoundaries.removeRef(r->m_end);
00658 }
00659
00660 int index = findRef(r);
00661 if (index != -1)
00662 take(index);
00663
00664
00665 if (!count())
00666 emit listEmpty();
00667 }
00668
00669 KateSuperCursor* KateSuperRangeList::firstBoundary(const KateTextCursor* start)
00670 {
00671 if (!m_trackingBoundaries) {
00672 m_trackingBoundaries = true;
00673
00674 for (KateSuperRange* r = first(); r; r = next()) {
00675 m_columnBoundaries.append(&(r->superStart()));
00676 m_columnBoundaries.append(&(r->superEnd()));
00677 }
00678 }
00679
00680 m_columnBoundaries.sort();
00681
00682 if (start)
00683
00684 for (KateSuperCursor* c = m_columnBoundaries.first(); c; c = m_columnBoundaries.next())
00685 if (*start <= *c)
00686 break;
00687
00688 return m_columnBoundaries.current();
00689 }
00690
00691 KateSuperCursor* KateSuperRangeList::nextBoundary()
00692 {
00693 KateSuperCursor* current = m_columnBoundaries.current();
00694
00695
00696 if (current)
00697 while (m_columnBoundaries.next())
00698 if (*(m_columnBoundaries.current()) != *current)
00699 break;
00700
00701 return m_columnBoundaries.current();
00702 }
00703
00704 KateSuperCursor* KateSuperRangeList::currentBoundary()
00705 {
00706 return m_columnBoundaries.current();
00707 }
00708
00709 int KateSuperRangeList::compareItems(QPtrCollection::Item item1, QPtrCollection::Item item2)
00710 {
00711 if (static_cast<KateSuperRange*>(item1)->superStart() == static_cast<KateSuperRange*>(item2)->superStart()) {
00712 if (static_cast<KateSuperRange*>(item1)->superEnd() == static_cast<KateSuperRange*>(item2)->superEnd()) {
00713 return 0;
00714 } else {
00715 return static_cast<KateSuperRange*>(item1)->superEnd() < static_cast<KateSuperRange*>(item2)->superEnd() ? -1 : 1;
00716 }
00717 }
00718
00719 return static_cast<KateSuperRange*>(item1)->superStart() < static_cast<KateSuperRange*>(item2)->superStart() ? -1 : 1;
00720 }
00721
00722 QPtrCollection::Item KateSuperRangeList::newItem(QPtrCollection::Item d)
00723 {
00724 if (m_connect) {
00725 connect(static_cast<KateSuperRange*>(d), SIGNAL(destroyed(QObject*)), SLOT(slotDeleted(QObject*)));
00726 connect(static_cast<KateSuperRange*>(d), SIGNAL(eliminated()), SLOT(slotEliminated()));
00727 connect(static_cast<KateSuperRange*>(d), SIGNAL(tagRange(KateSuperRange*)), SIGNAL(tagRange(KateSuperRange*)));
00728
00729
00730 static_cast<KateSuperRange*>(d)->slotTagRange();
00731 }
00732
00733 if (m_trackingBoundaries) {
00734 m_columnBoundaries.append(&(static_cast<KateSuperRange*>(d)->superStart()));
00735 m_columnBoundaries.append(&(static_cast<KateSuperRange*>(d)->superEnd()));
00736 }
00737
00738 return QPtrList<KateSuperRange>::newItem(d);
00739 }
00740
00741