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00026 #include "kateviewinternal.h"
00027 #include "kateviewinternal.moc"
00028
00029 #include "kateview.h"
00030 #include "katecodefoldinghelpers.h"
00031 #include "kateviewhelpers.h"
00032 #include "katehighlight.h"
00033 #include "katesupercursor.h"
00034 #include "katerenderer.h"
00035 #include "katecodecompletion.h"
00036 #include "kateconfig.h"
00037
00038 #include <kcursor.h>
00039 #include <kdebug.h>
00040 #include <kapplication.h>
00041 #include <kglobalsettings.h>
00042 #include <kurldrag.h>
00043
00044 #include <qstyle.h>
00045 #include <qdragobject.h>
00046 #include <qpopupmenu.h>
00047 #include <qdropsite.h>
00048 #include <qpainter.h>
00049 #include <qlayout.h>
00050 #include <qclipboard.h>
00051 #include <qpixmap.h>
00052 #include <qvbox.h>
00053
00054 KateViewInternal::KateViewInternal(KateView *view, KateDocument *doc)
00055 : QWidget (view, "", Qt::WStaticContents | Qt::WRepaintNoErase | Qt::WResizeNoErase )
00056 , editSessionNumber (0)
00057 , editIsRunning (false)
00058 , m_view (view)
00059 , m_doc (doc)
00060 , cursor (doc, true, 0, 0, this)
00061 , possibleTripleClick (false)
00062 , m_dummy (0)
00063 , m_startPos(doc, true, 0,0)
00064 , m_madeVisible(false)
00065 , m_shiftKeyPressed (false)
00066 , m_autoCenterLines (false)
00067 , m_selChangedByUser (false)
00068 , selectAnchor (-1, -1)
00069 , m_selectionMode( Default )
00070 , m_preserveMaxX(false)
00071 , m_currentMaxX(0)
00072 , m_usePlainLines(false)
00073 , m_updatingView(true)
00074 , m_cachedMaxStartPos(-1, -1)
00075 , m_dragScrollTimer(this)
00076 , m_scrollTimer (this)
00077 , m_cursorTimer (this)
00078 , m_textHintTimer (this)
00079 , m_textHintEnabled(false)
00080 , m_textHintMouseX(-1)
00081 , m_textHintMouseY(-1)
00082 , m_imPreeditStartLine(0)
00083 , m_imPreeditStart(0)
00084 , m_imPreeditLength(0)
00085 , m_imPreeditSelStart(0)
00086 {
00087 setMinimumSize (0,0);
00088
00089
00090 cursor.setMoveOnInsert (true);
00091
00092
00093 selStartCached.setLine( -1 );
00094
00095
00096
00097 m_lineScroll = new KateScrollBar(QScrollBar::Vertical, this);
00098 m_lineScroll->show();
00099 m_lineScroll->setTracking (true);
00100
00101 m_lineLayout = new QVBoxLayout();
00102 m_colLayout = new QHBoxLayout();
00103
00104 m_colLayout->addWidget(m_lineScroll);
00105 m_lineLayout->addLayout(m_colLayout);
00106
00107
00108 m_dummy = new QWidget(m_view);
00109 m_dummy->setFixedHeight(style().scrollBarExtent().width());
00110
00111 if (m_view->dynWordWrap())
00112 m_dummy->hide();
00113 else
00114 m_dummy->show();
00115
00116 m_lineLayout->addWidget(m_dummy);
00117
00118
00119 connect(m_lineScroll, SIGNAL(prevPage()), SLOT(scrollPrevPage()));
00120 connect(m_lineScroll, SIGNAL(nextPage()), SLOT(scrollNextPage()));
00121
00122 connect(m_lineScroll, SIGNAL(prevLine()), SLOT(scrollPrevLine()));
00123 connect(m_lineScroll, SIGNAL(nextLine()), SLOT(scrollNextLine()));
00124
00125 connect(m_lineScroll, SIGNAL(sliderMoved(int)), SLOT(scrollLines(int)));
00126 connect(m_lineScroll, SIGNAL(sliderMMBMoved(int)), SLOT(scrollLines(int)));
00127
00128
00129 m_lineScroll->installEventFilter(this);
00130
00131
00132
00133
00134 m_columnScroll = new QScrollBar(QScrollBar::Horizontal,m_view);
00135
00136
00137 if (m_view->dynWordWrap())
00138 m_columnScroll->hide();
00139 else
00140 m_columnScroll->show();
00141
00142 m_columnScroll->setTracking(true);
00143 m_startX = 0;
00144
00145 connect( m_columnScroll, SIGNAL( valueChanged (int) ),
00146 this, SLOT( scrollColumns (int) ) );
00147
00148
00149
00150
00151 leftBorder = new KateIconBorder( this, m_view );
00152 leftBorder->show ();
00153
00154 connect( leftBorder, SIGNAL(toggleRegionVisibility(unsigned int)),
00155 m_doc->foldingTree(), SLOT(toggleRegionVisibility(unsigned int)));
00156
00157 connect( doc->foldingTree(), SIGNAL(regionVisibilityChangedAt(unsigned int)),
00158 this, SLOT(slotRegionVisibilityChangedAt(unsigned int)));
00159 connect( doc, SIGNAL(codeFoldingUpdated()),
00160 this, SLOT(slotCodeFoldingChanged()) );
00161
00162 displayCursor.setPos(0, 0);
00163 cursor.setPos(0, 0);
00164 cXPos = 0;
00165
00166 setAcceptDrops( true );
00167 setBackgroundMode( NoBackground );
00168
00169
00170 installEventFilter(this);
00171
00172
00173 setInputMethodEnabled(true);
00174
00175
00176 setCursor( KCursor::ibeamCursor() );
00177 m_mouseCursor = IbeamCursor;
00178
00179
00180 setMouseTracking(true);
00181
00182 dragInfo.state = diNone;
00183
00184
00185 connect( &m_dragScrollTimer, SIGNAL( timeout() ),
00186 this, SLOT( doDragScroll() ) );
00187
00188 connect( &m_scrollTimer, SIGNAL( timeout() ),
00189 this, SLOT( scrollTimeout() ) );
00190
00191 connect( &m_cursorTimer, SIGNAL( timeout() ),
00192 this, SLOT( cursorTimeout() ) );
00193
00194 connect( &m_textHintTimer, SIGNAL( timeout() ),
00195 this, SLOT( textHintTimeout() ) );
00196
00197
00198 connect( m_view, SIGNAL( selectionChanged() ),
00199 this, SLOT( viewSelectionChanged() ) );
00200
00201
00202
00203
00204
00205
00206 if (QApplication::reverseLayout()){
00207 m_view->m_grid->addMultiCellWidget(leftBorder, 0, 1, 2, 2);
00208 m_view->m_grid->addMultiCellWidget(m_columnScroll, 1, 1, 0, 1);
00209 m_view->m_grid->addMultiCellLayout(m_lineLayout, 0, 0, 0, 0);
00210 }
00211 else{
00212 m_view->m_grid->addMultiCellLayout(m_lineLayout, 0, 1, 2, 2);
00213 m_view->m_grid->addMultiCellWidget(m_columnScroll, 1, 1, 0, 1);
00214 m_view->m_grid->addWidget(leftBorder, 0, 0);
00215 }
00216
00217 updateView ();
00218 }
00219
00220 KateViewInternal::~KateViewInternal ()
00221 {
00222 }
00223
00224 void KateViewInternal::prepareForDynWrapChange()
00225 {
00226
00227 m_wrapChangeViewLine = displayViewLine(displayCursor, true);
00228 }
00229
00230 void KateViewInternal::dynWrapChanged()
00231 {
00232 if (m_view->dynWordWrap())
00233 {
00234 m_columnScroll->hide();
00235 m_dummy->hide ();
00236 }
00237 else
00238 {
00239 m_columnScroll->show();
00240 m_dummy->show ();
00241 }
00242
00243 tagAll();
00244 updateView();
00245
00246 if (m_view->dynWordWrap())
00247 scrollColumns(0);
00248
00249
00250 if (m_wrapChangeViewLine != -1) {
00251 KateTextCursor newStart = viewLineOffset(displayCursor, -m_wrapChangeViewLine);
00252 makeVisible(newStart, newStart.col(), true);
00253 } else {
00254 update();
00255 }
00256 }
00257
00258 KateTextCursor KateViewInternal::endPos() const
00259 {
00260 int viewLines = linesDisplayed() - 1;
00261
00262 if (viewLines < 0) {
00263 kdDebug(13030) << "WARNING: viewLines wrong!" << endl;
00264 viewLines = 0;
00265 }
00266
00267
00268 if (!lineRanges.count() || lineRanges[0].line == -1 || viewLines >= (int)lineRanges.count()) {
00269
00270 return KateTextCursor(m_doc->numVisLines() - 1, m_doc->lineLength(m_doc->getRealLine(m_doc->numVisLines() - 1)));
00271 }
00272
00273 for (int i = viewLines; i >= 0; i--) {
00274 KateLineRange& thisRange = lineRanges[i];
00275
00276 if (thisRange.line == -1) continue;
00277
00278 if (thisRange.virtualLine >= (int)m_doc->numVisLines()) {
00279
00280 return KateTextCursor(m_doc->numVisLines() - 1, m_doc->lineLength(m_doc->getRealLine(m_doc->numVisLines() - 1)));
00281 }
00282
00283 return KateTextCursor(thisRange.virtualLine, thisRange.wrap ? thisRange.endCol - 1 : thisRange.endCol);
00284 }
00285
00286 Q_ASSERT(false);
00287 kdDebug(13030) << "WARNING: could not find a lineRange at all" << endl;
00288 return KateTextCursor(-1, -1);
00289 }
00290
00291 uint KateViewInternal::endLine() const
00292 {
00293 return endPos().line();
00294 }
00295
00296 KateLineRange KateViewInternal::yToKateLineRange(uint y) const
00297 {
00298 uint range = y / m_view->renderer()->fontHeight();
00299
00300
00301 if (range >= lineRanges.size())
00302 return lineRanges[lineRanges.size()-1];
00303
00304 return lineRanges[range];
00305 }
00306
00307 int KateViewInternal::lineToY(uint viewLine) const
00308 {
00309 return (viewLine-startLine()) * m_view->renderer()->fontHeight();
00310 }
00311
00312 void KateViewInternal::slotIncFontSizes()
00313 {
00314 m_view->renderer()->increaseFontSizes();
00315 }
00316
00317 void KateViewInternal::slotDecFontSizes()
00318 {
00319 m_view->renderer()->decreaseFontSizes();
00320 }
00321
00325 void KateViewInternal::scrollLines ( int line )
00326 {
00327 KateTextCursor newPos(line, 0);
00328 scrollPos(newPos);
00329 }
00330
00331
00332 void KateViewInternal::scrollViewLines(int offset)
00333 {
00334 KateTextCursor c = viewLineOffset(startPos(), offset);
00335 scrollPos(c);
00336
00337 m_lineScroll->blockSignals(true);
00338 m_lineScroll->setValue(startLine());
00339 m_lineScroll->blockSignals(false);
00340 }
00341
00342 void KateViewInternal::scrollNextPage()
00343 {
00344 scrollViewLines(kMax( (int)linesDisplayed() - 1, 0 ));
00345 }
00346
00347 void KateViewInternal::scrollPrevPage()
00348 {
00349 scrollViewLines(-kMax( (int)linesDisplayed() - 1, 0 ));
00350 }
00351
00352 void KateViewInternal::scrollPrevLine()
00353 {
00354 scrollViewLines(-1);
00355 }
00356
00357 void KateViewInternal::scrollNextLine()
00358 {
00359 scrollViewLines(1);
00360 }
00361
00362 KateTextCursor KateViewInternal::maxStartPos(bool changed)
00363 {
00364 m_usePlainLines = true;
00365
00366 if (m_cachedMaxStartPos.line() == -1 || changed)
00367 {
00368 KateTextCursor end(m_doc->numVisLines() - 1, m_doc->lineLength(m_doc->getRealLine(m_doc->numVisLines() - 1)));
00369
00370 m_cachedMaxStartPos = viewLineOffset(end, -((int)linesDisplayed() - 1));
00371 }
00372
00373 m_usePlainLines = false;
00374
00375 return m_cachedMaxStartPos;
00376 }
00377
00378
00379 void KateViewInternal::scrollPos(KateTextCursor& c, bool force, bool calledExternally)
00380 {
00381 if (!force && ((!m_view->dynWordWrap() && c.line() == (int)startLine()) || c == startPos()))
00382 return;
00383
00384 if (c.line() < 0)
00385 c.setLine(0);
00386
00387 KateTextCursor limit = maxStartPos();
00388 if (c > limit) {
00389 c = limit;
00390
00391
00392 if (!force && ((!m_view->dynWordWrap() && c.line() == (int)startLine()) || c == startPos()))
00393 return;
00394 }
00395
00396 int viewLinesScrolled = 0;
00397
00398
00399
00400
00401 bool viewLinesScrolledUsable = !force
00402 && (c.line() >= (int)startLine()-(int)linesDisplayed()-1)
00403 && (c.line() <= (int)endLine()+(int)linesDisplayed()+1);
00404
00405 if (viewLinesScrolledUsable)
00406 viewLinesScrolled = displayViewLine(c);
00407
00408 m_startPos.setPos(c);
00409
00410
00411 m_madeVisible = false;
00412
00413 if (viewLinesScrolledUsable)
00414 {
00415 int lines = linesDisplayed();
00416 if ((int)m_doc->numVisLines() < lines) {
00417 KateTextCursor end(m_doc->numVisLines() - 1, m_doc->lineLength(m_doc->getRealLine(m_doc->numVisLines() - 1)));
00418 lines = kMin((int)linesDisplayed(), displayViewLine(end) + 1);
00419 }
00420
00421 Q_ASSERT(lines >= 0);
00422
00423 if (!calledExternally && QABS(viewLinesScrolled) < lines)
00424 {
00425 updateView(false, viewLinesScrolled);
00426
00427 int scrollHeight = -(viewLinesScrolled * (int)m_view->renderer()->fontHeight());
00428 int scrollbarWidth = style().scrollBarExtent().width();
00429
00430
00431
00432
00433 scroll(0, scrollHeight);
00434 update(0, height()+scrollHeight-scrollbarWidth, width(), 2*scrollbarWidth);
00435
00436 leftBorder->scroll(0, scrollHeight);
00437 leftBorder->update(0, leftBorder->height()+scrollHeight-scrollbarWidth, leftBorder->width(), 2*scrollbarWidth);
00438
00439 return;
00440 }
00441 }
00442
00443 updateView();
00444 update();
00445 leftBorder->update();
00446 }
00447
00448 void KateViewInternal::scrollColumns ( int x )
00449 {
00450 if (x == m_startX)
00451 return;
00452
00453 if (x < 0)
00454 x = 0;
00455
00456 int dx = m_startX - x;
00457 m_startX = x;
00458
00459 if (QABS(dx) < width())
00460 scroll(dx, 0);
00461 else
00462 update();
00463
00464 m_columnScroll->blockSignals(true);
00465 m_columnScroll->setValue(m_startX);
00466 m_columnScroll->blockSignals(false);
00467 }
00468
00469
00470 void KateViewInternal::updateView(bool changed, int viewLinesScrolled)
00471 {
00472 m_updatingView = true;
00473
00474 uint contentLines = m_doc->visibleLines();
00475
00476 m_lineScroll->blockSignals(true);
00477
00478 KateTextCursor maxStart = maxStartPos(changed);
00479 int maxLineScrollRange = maxStart.line();
00480 if (m_view->dynWordWrap() && maxStart.col() != 0)
00481 maxLineScrollRange++;
00482 m_lineScroll->setRange(0, maxLineScrollRange);
00483
00484 m_lineScroll->setValue(startPos().line());
00485 m_lineScroll->setSteps(1, height() / m_view->renderer()->fontHeight());
00486 m_lineScroll->blockSignals(false);
00487
00488 uint oldSize = lineRanges.size ();
00489 uint newSize = (height() / m_view->renderer()->fontHeight()) + 1;
00490 if (oldSize != newSize) {
00491 lineRanges.resize((height() / m_view->renderer()->fontHeight()) + 1);
00492 if (newSize > oldSize) {
00493 static KateLineRange blank;
00494 for (uint i = oldSize; i < newSize; i++) {
00495 lineRanges[i] = blank;
00496 }
00497 }
00498 }
00499
00500 if (oldSize < lineRanges.size ())
00501 {
00502 for (uint i=oldSize; i < lineRanges.size(); i++)
00503 lineRanges[i].dirty = true;
00504 }
00505
00506
00507 if (viewLinesScrolled != 0) {
00508
00509 bool forwards = viewLinesScrolled >= 0 ? true : false;
00510 for (uint z = forwards ? 0 : lineRanges.count() - 1; z < lineRanges.count(); forwards ? z++ : z--) {
00511 uint oldZ = z + viewLinesScrolled;
00512 if (oldZ < lineRanges.count()) {
00513 lineRanges[z] = lineRanges[oldZ];
00514 } else {
00515 lineRanges[z].dirty = true;
00516 }
00517 }
00518 }
00519
00520 if (m_view->dynWordWrap())
00521 {
00522 KateTextCursor realStart = startPos();
00523 realStart.setLine(m_doc->getRealLine(realStart.line()));
00524
00525 KateLineRange startRange = range(realStart);
00526 uint line = startRange.virtualLine;
00527 int realLine = startRange.line;
00528 uint oldLine = line;
00529 int startCol = startRange.startCol;
00530 int startX = startRange.startX;
00531 int endX = startRange.startX;
00532 int shiftX = startRange.startCol ? startRange.shiftX : 0;
00533 bool wrap = false;
00534 int newViewLine = startRange.viewLine;
00535
00536 KateTextLine::Ptr text = textLine(realLine);
00537
00538 bool alreadyDirty = false;
00539
00540 for (uint z = 0; z < lineRanges.size(); z++)
00541 {
00542 if (oldLine != line) {
00543 realLine = (int)m_doc->getRealLine(line);
00544
00545 if (z)
00546 lineRanges[z-1].startsInvisibleBlock = (realLine != lineRanges[z-1].line + 1);
00547
00548 text = textLine(realLine);
00549 startCol = 0;
00550 startX = 0;
00551 endX = 0;
00552 shiftX = 0;
00553 newViewLine = 0;
00554 oldLine = line;
00555 }
00556
00557 if (line >= contentLines || !text)
00558 {
00559 if (lineRanges[z].line != -1)
00560 lineRanges[z].dirty = true;
00561
00562 lineRanges[z].clear();
00563
00564 line++;
00565 }
00566 else
00567 {
00568 if (lineRanges[z].line != realLine || lineRanges[z].startCol != startCol)
00569 alreadyDirty = lineRanges[z].dirty = true;
00570
00571 if (lineRanges[z].dirty || changed || alreadyDirty) {
00572 alreadyDirty = true;
00573
00574 lineRanges[z].virtualLine = line;
00575 lineRanges[z].line = realLine;
00576 lineRanges[z].startsInvisibleBlock = false;
00577
00578 int tempEndX = 0;
00579
00580 int endCol = m_view->renderer()->textWidth(text, startCol, width() - shiftX, &wrap, &tempEndX);
00581
00582 endX += tempEndX;
00583
00584 if (wrap)
00585 {
00586 if (m_view->config()->dynWordWrapAlignIndent() > 0)
00587 {
00588 if (startX == 0)
00589 {
00590 int pos = text->nextNonSpaceChar(0);
00591
00592 if (pos > 0)
00593 shiftX = m_view->renderer()->textWidth(text, pos);
00594
00595 if (shiftX > ((double)width() / 100 * m_view->config()->dynWordWrapAlignIndent()))
00596 shiftX = 0;
00597 }
00598 }
00599
00600 if ((lineRanges[z].startX != startX) || (lineRanges[z].endX != endX) ||
00601 (lineRanges[z].startCol != startCol) || (lineRanges[z].endCol != endCol) ||
00602 (lineRanges[z].shiftX != shiftX))
00603 lineRanges[z].dirty = true;
00604
00605 lineRanges[z].startCol = startCol;
00606 lineRanges[z].endCol = endCol;
00607 lineRanges[z].startX = startX;
00608 lineRanges[z].endX = endX;
00609 lineRanges[z].viewLine = newViewLine;
00610 lineRanges[z].wrap = true;
00611
00612 startCol = endCol;
00613 startX = endX;
00614 }
00615 else
00616 {
00617 if ((lineRanges[z].startX != startX) || (lineRanges[z].endX != endX) ||
00618 (lineRanges[z].startCol != startCol) || (lineRanges[z].endCol != endCol))
00619 lineRanges[z].dirty = true;
00620
00621 lineRanges[z].startCol = startCol;
00622 lineRanges[z].endCol = endCol;
00623 lineRanges[z].startX = startX;
00624 lineRanges[z].endX = endX;
00625 lineRanges[z].viewLine = newViewLine;
00626 lineRanges[z].wrap = false;
00627
00628 line++;
00629 }
00630
00631 lineRanges[z].shiftX = shiftX;
00632
00633 } else {
00634
00635 if (lineRanges[z].wrap) {
00636 startCol = lineRanges[z].endCol;
00637 startX = lineRanges[z].endX;
00638 endX = lineRanges[z].endX;
00639 } else {
00640 line++;
00641 }
00642 shiftX = lineRanges[z].shiftX;
00643 }
00644 }
00645 newViewLine++;
00646 }
00647 }
00648 else
00649 {
00650 uint z = 0;
00651
00652 for(; (z + startLine() < contentLines) && (z < lineRanges.size()); z++)
00653 {
00654 if (lineRanges[z].dirty || lineRanges[z].line != (int)m_doc->getRealLine(z + startLine())) {
00655 lineRanges[z].dirty = true;
00656
00657 lineRanges[z].line = m_doc->getRealLine( z + startLine() );
00658 if (z)
00659 lineRanges[z-1].startsInvisibleBlock = (lineRanges[z].line != lineRanges[z-1].line + 1);
00660
00661 lineRanges[z].virtualLine = z + startLine();
00662 lineRanges[z].startCol = 0;
00663 lineRanges[z].endCol = m_doc->lineLength(lineRanges[z].line);
00664 lineRanges[z].startX = 0;
00665 lineRanges[z].endX = m_view->renderer()->textWidth( textLine( lineRanges[z].line ), -1 );
00666 lineRanges[z].shiftX = 0;
00667 lineRanges[z].viewLine = 0;
00668 lineRanges[z].wrap = false;
00669 }
00670 else if (z && lineRanges[z-1].dirty)
00671 {
00672 lineRanges[z-1].startsInvisibleBlock = (lineRanges[z].line != lineRanges[z-1].line + 1);
00673 }
00674 }
00675
00676 for (; z < lineRanges.size(); z++)
00677 {
00678 if (lineRanges[z].line != -1)
00679 lineRanges[z].dirty = true;
00680
00681 lineRanges[z].clear();
00682 }
00683
00684 int max = maxLen(startLine()) - width();
00685 if (max < 0)
00686 max = 0;
00687
00688
00689 if (max == 0)
00690 {
00691 scrollColumns(0);
00692 }
00693
00694 m_columnScroll->blockSignals(true);
00695
00696
00697 m_columnScroll->setDisabled (max == 0);
00698
00699 m_columnScroll->setRange(0, max);
00700
00701 m_columnScroll->setValue(m_startX);
00702
00703
00704 m_columnScroll->setSteps(m_view->renderer()->config()->fontMetrics()->width('a'), width());
00705
00706 m_columnScroll->blockSignals(false);
00707 }
00708
00709 m_updatingView = false;
00710
00711 if (changed)
00712 paintText(0, 0, width(), height(), true);
00713 }
00714
00715 void KateViewInternal::paintText (int x, int y, int width, int height, bool paintOnlyDirty)
00716 {
00717
00718 int xStart = startX() + x;
00719 int xEnd = xStart + width;
00720 uint h = m_view->renderer()->fontHeight();
00721 uint startz = (y / h);
00722 uint endz = startz + 1 + (height / h);
00723 uint lineRangesSize = lineRanges.size();
00724
00725 static QPixmap drawBuffer;
00726
00727 if (drawBuffer.width() < KateViewInternal::width() || drawBuffer.height() < (int)h)
00728 drawBuffer.resize(KateViewInternal::width(), (int)h);
00729
00730 if (drawBuffer.isNull())
00731 return;
00732
00733 QPainter paint(this);
00734 QPainter paintDrawBuffer(&drawBuffer);
00735
00736
00737 m_view->renderer()->setCaretStyle(m_view->isOverwriteMode() ? KateRenderer::Replace : KateRenderer::Insert);
00738 m_view->renderer()->setShowTabs(m_doc->configFlags() & KateDocument::cfShowTabs);
00739
00740 for (uint z=startz; z <= endz; z++)
00741 {
00742 if ( (z >= lineRangesSize) || ((lineRanges[z].line == -1) && (!paintOnlyDirty || lineRanges[z].dirty)) )
00743 {
00744 if (!(z >= lineRangesSize))
00745 lineRanges[z].dirty = false;
00746
00747 paint.fillRect( x, z * h, width, h, m_view->renderer()->config()->backgroundColor() );
00748 }
00749 else if (!paintOnlyDirty || lineRanges[z].dirty)
00750 {
00751 lineRanges[z].dirty = false;
00752
00753 m_view->renderer()->paintTextLine(paintDrawBuffer, &lineRanges[z], xStart, xEnd, &cursor, &bm);
00754
00755 paint.drawPixmap (x, z * h, drawBuffer, 0, 0, width, h);
00756 }
00757 }
00758 }
00759
00764 void KateViewInternal::makeVisible (const KateTextCursor& c, uint endCol, bool force, bool center, bool calledExternally)
00765 {
00766
00767
00768
00769
00770
00771 if ( force )
00772 {
00773 KateTextCursor scroll = c;
00774 scrollPos(scroll, force, calledExternally);
00775 }
00776 else if (center && (c < startPos() || c > endPos()))
00777 {
00778 KateTextCursor scroll = viewLineOffset(c, -int(linesDisplayed()) / 2);
00779 scrollPos(scroll, false, calledExternally);
00780 }
00781 else if ( c > viewLineOffset(endPos(), -m_minLinesVisible) )
00782 {
00783 KateTextCursor scroll = viewLineOffset(c, -((int)linesDisplayed() - m_minLinesVisible - 1));
00784 scrollPos(scroll, false, calledExternally);
00785 }
00786 else if ( c < viewLineOffset(startPos(), m_minLinesVisible) )
00787 {
00788 KateTextCursor scroll = viewLineOffset(c, -m_minLinesVisible);
00789 scrollPos(scroll, false, calledExternally);
00790 }
00791 else
00792 {
00793
00794 KateTextCursor max = maxStartPos();
00795 if (startPos() > max) {
00796 scrollPos(max, max.col(), calledExternally);
00797 }
00798 }
00799
00800 if (!m_view->dynWordWrap() && endCol != (uint)-1)
00801 {
00802 int sX = (int)m_view->renderer()->textWidth (textLine( m_doc->getRealLine( c.line() ) ), c.col() );
00803
00804 int sXborder = sX-8;
00805 if (sXborder < 0)
00806 sXborder = 0;
00807
00808 if (sX < m_startX)
00809 scrollColumns (sXborder);
00810 else if (sX > m_startX + width())
00811 scrollColumns (sX - width() + 8);
00812 }
00813
00814 m_madeVisible = !force;
00815 }
00816
00817 void KateViewInternal::slotRegionVisibilityChangedAt(unsigned int)
00818 {
00819 kdDebug(13030) << "slotRegionVisibilityChangedAt()" << endl;
00820 m_cachedMaxStartPos.setLine(-1);
00821 KateTextCursor max = maxStartPos();
00822 if (startPos() > max)
00823 scrollPos(max);
00824
00825 updateView();
00826 update();
00827 leftBorder->update();
00828 }
00829
00830 void KateViewInternal::slotCodeFoldingChanged()
00831 {
00832 leftBorder->update();
00833 }
00834
00835 void KateViewInternal::slotRegionBeginEndAddedRemoved(unsigned int)
00836 {
00837 kdDebug(13030) << "slotRegionBeginEndAddedRemoved()" << endl;
00838
00839 leftBorder->update();
00840 }
00841
00842 void KateViewInternal::showEvent ( QShowEvent *e )
00843 {
00844 updateView ();
00845
00846 QWidget::showEvent (e);
00847 }
00848
00849 uint KateViewInternal::linesDisplayed() const
00850 {
00851 int h = height();
00852 int fh = m_view->renderer()->fontHeight();
00853
00854 return (h - (h % fh)) / fh;
00855 }
00856
00857 QPoint KateViewInternal::cursorCoordinates()
00858 {
00859 int viewLine = displayViewLine(displayCursor, true);
00860
00861 if (viewLine == -1)
00862 return QPoint(-1, -1);
00863
00864 uint y = viewLine * m_view->renderer()->fontHeight();
00865 uint x = cXPos - m_startX - lineRanges[viewLine].startX + leftBorder->width() + lineRanges[viewLine].xOffset();
00866
00867 return QPoint(x, y);
00868 }
00869
00870 void KateViewInternal::updateMicroFocusHint()
00871 {
00872 int line = displayViewLine(displayCursor, true);
00873
00874
00875
00876 if (line == -1 || !hasFocus())
00877 return;
00878
00879 KateRenderer *renderer = m_view->renderer();
00880
00881
00882
00883
00884
00885
00886 uint preeditStrLen = renderer->textWidth(textLine(m_imPreeditStartLine), cursor.col()) - renderer->textWidth(textLine(m_imPreeditStartLine), m_imPreeditSelStart);
00887 uint x = cXPos - m_startX - lineRanges[line].startX + lineRanges[line].xOffset() - preeditStrLen;
00888 uint y = line * renderer->fontHeight();
00889
00890 setMicroFocusHint(x, y, 0, renderer->fontHeight());
00891 }
00892
00893 void KateViewInternal::doReturn()
00894 {
00895 KateTextCursor c = cursor;
00896 m_doc->newLine( c, this );
00897 updateCursor( c );
00898 updateView();
00899 }
00900
00901 void KateViewInternal::doDelete()
00902 {
00903 m_doc->del( m_view, cursor );
00904 if (m_view->m_codeCompletion->codeCompletionVisible()) {
00905 m_view->m_codeCompletion->updateBox();
00906 }
00907 }
00908
00909 void KateViewInternal::doBackspace()
00910 {
00911 m_doc->backspace( m_view, cursor );
00912 if (m_view->m_codeCompletion->codeCompletionVisible()) {
00913 m_view->m_codeCompletion->updateBox();
00914 }
00915 }
00916
00917 void KateViewInternal::doTranspose()
00918 {
00919 m_doc->transpose( cursor );
00920 }
00921
00922 void KateViewInternal::doDeleteWordLeft()
00923 {
00924 wordLeft( true );
00925 m_view->removeSelectedText();
00926 update();
00927 }
00928
00929 void KateViewInternal::doDeleteWordRight()
00930 {
00931 wordRight( true );
00932 m_view->removeSelectedText();
00933 update();
00934 }
00935
00936 class CalculatingCursor : public KateTextCursor {
00937 public:
00938 CalculatingCursor(KateViewInternal* vi)
00939 : KateTextCursor()
00940 , m_vi(vi)
00941 {
00942 Q_ASSERT(valid());
00943 }
00944
00945 CalculatingCursor(KateViewInternal* vi, const KateTextCursor& c)
00946 : KateTextCursor(c)
00947 , m_vi(vi)
00948 {
00949 Q_ASSERT(valid());
00950 }
00951
00952
00953 CalculatingCursor(KateViewInternal* vi, uint line, uint col)
00954 : KateTextCursor(line, col)
00955 , m_vi(vi)
00956 {
00957 makeValid();
00958 }
00959
00960
00961 virtual CalculatingCursor& operator+=( int n ) = 0;
00962
00963 virtual CalculatingCursor& operator-=( int n ) = 0;
00964
00965 CalculatingCursor& operator++() { return operator+=( 1 ); }
00966
00967 CalculatingCursor& operator--() { return operator-=( 1 ); }
00968
00969 void makeValid() {
00970 m_line = kMax( 0, kMin( int( m_vi->m_doc->numLines() - 1 ), line() ) );
00971 if (m_vi->m_view->wrapCursor())
00972 m_col = kMax( 0, kMin( m_vi->m_doc->lineLength( line() ), col() ) );
00973 else
00974 m_col = kMax( 0, col() );
00975 Q_ASSERT( valid() );
00976 }
00977
00978 void toEdge( Bias bias ) {
00979 if( bias == left ) m_col = 0;
00980 else if( bias == right ) m_col = m_vi->m_doc->lineLength( line() );
00981 }
00982
00983 bool atEdge() const { return atEdge( left ) || atEdge( right ); }
00984
00985 bool atEdge( Bias bias ) const {
00986 switch( bias ) {
00987 case left: return col() == 0;
00988 case none: return atEdge();
00989 case right: return col() == m_vi->m_doc->lineLength( line() );
00990 default: Q_ASSERT(false); return false;
00991 }
00992 }
00993
00994 protected:
00995 bool valid() const {
00996 return line() >= 0 &&
00997 uint( line() ) < m_vi->m_doc->numLines() &&
00998 col() >= 0 &&
00999 (!m_vi->m_view->wrapCursor() || col() <= m_vi->m_doc->lineLength( line() ));
01000 }
01001 KateViewInternal* m_vi;
01002 };
01003
01004 class BoundedCursor : public CalculatingCursor {
01005 public:
01006 BoundedCursor(KateViewInternal* vi)
01007 : CalculatingCursor( vi ) {};
01008 BoundedCursor(KateViewInternal* vi, const KateTextCursor& c )
01009 : CalculatingCursor( vi, c ) {};
01010 BoundedCursor(KateViewInternal* vi, uint line, uint col )
01011 : CalculatingCursor( vi, line, col ) {};
01012 virtual CalculatingCursor& operator+=( int n ) {
01013 m_col += n;
01014
01015 if (n > 0 && m_vi->m_view->dynWordWrap()) {
01016
01017 if (m_col > m_vi->m_doc->lineLength(m_line)) {
01018 KateLineRange currentRange = m_vi->range(*this);
01019
01020 int endX;
01021 bool crap;
01022 m_vi->m_view->renderer()->textWidth(m_vi->textLine(m_line), currentRange.startCol, m_vi->width() - currentRange.xOffset(), &crap, &endX);
01023 endX += (m_col - currentRange.endCol + 1) * m_vi->m_view->renderer()->spaceWidth();
01024
01025
01026 if (endX >= m_vi->width() - currentRange.xOffset()) {
01027 m_col -= n;
01028 if ( uint( line() ) < m_vi->m_doc->numLines() - 1 ) {
01029 m_line++;
01030 m_col = 0;
01031 }
01032 }
01033 }
01034
01035 } else if (n < 0 && col() < 0 && line() > 0 ) {
01036 m_line--;
01037 m_col = m_vi->m_doc->lineLength( line() );
01038 }
01039
01040 m_col = kMax( 0, col() );
01041
01042 Q_ASSERT( valid() );
01043 return *this;
01044 }
01045 virtual CalculatingCursor& operator-=( int n ) {
01046 return operator+=( -n );
01047 }
01048 };
01049
01050 class WrappingCursor : public CalculatingCursor {
01051 public:
01052 WrappingCursor(KateViewInternal* vi)
01053 : CalculatingCursor( vi) {};
01054 WrappingCursor(KateViewInternal* vi, const KateTextCursor& c )
01055 : CalculatingCursor( vi, c ) {};
01056 WrappingCursor(KateViewInternal* vi, uint line, uint col )
01057 : CalculatingCursor( vi, line, col ) {};
01058
01059 virtual CalculatingCursor& operator+=( int n ) {
01060 if( n < 0 ) return operator-=( -n );
01061 int len = m_vi->m_doc->lineLength( line() );
01062 if( col() + n <= len ) {
01063 m_col += n;
01064 } else if( uint( line() ) < m_vi->m_doc->numLines() - 1 ) {
01065 n -= len - col() + 1;
01066 m_col = 0;
01067 m_line++;
01068 operator+=( n );
01069 } else {
01070 m_col = len;
01071 }
01072 Q_ASSERT( valid() );
01073 return *this;
01074 }
01075 virtual CalculatingCursor& operator-=( int n ) {
01076 if( n < 0 ) return operator+=( -n );
01077 if( col() - n >= 0 ) {
01078 m_col -= n;
01079 } else if( line() > 0 ) {
01080 n -= col() + 1;
01081 m_line--;
01082 m_col = m_vi->m_doc->lineLength( line() );
01083 operator-=( n );
01084 } else {
01085 m_col = 0;
01086 }
01087 Q_ASSERT( valid() );
01088 return *this;
01089 }
01090 };
01091
01092 void KateViewInternal::moveChar( Bias bias, bool sel )
01093 {
01094 KateTextCursor c;
01095 if ( m_view->wrapCursor() ) {
01096 c = WrappingCursor( this, cursor ) += bias;
01097 } else {
01098 c = BoundedCursor( this, cursor ) += bias;
01099 }
01100
01101 updateSelection( c, sel );
01102 updateCursor( c );
01103 }
01104
01105 void KateViewInternal::cursorLeft( bool sel )
01106 {
01107 if ( ! m_view->wrapCursor() && cursor.col() == 0 )
01108 return;
01109
01110 moveChar( left, sel );
01111 if (m_view->m_codeCompletion->codeCompletionVisible()) {
01112 m_view->m_codeCompletion->updateBox();
01113 }
01114 }
01115
01116 void KateViewInternal::cursorRight( bool sel )
01117 {
01118 moveChar( right, sel );
01119 if (m_view->m_codeCompletion->codeCompletionVisible()) {
01120 m_view->m_codeCompletion->updateBox();
01121 }
01122 }
01123
01124 void KateViewInternal::wordLeft ( bool sel )
01125 {
01126 WrappingCursor c( this, cursor );
01127
01128
01129
01130
01131
01132
01133
01134
01135
01136 KateHighlighting* h = m_doc->highlight();
01137 if( !c.atEdge( left ) ) {
01138
01139 while( !c.atEdge( left ) && m_doc->textLine( c.line() )[ c.col() - 1 ].isSpace() )
01140 --c;
01141 }
01142 if( c.atEdge( left ) )
01143 {
01144 --c;
01145 }
01146 else if( h->isInWord( m_doc->textLine( c.line() )[ c.col() - 1 ] ) )
01147 {
01148 while( !c.atEdge( left ) && h->isInWord( m_doc->textLine( c.line() )[ c.col() - 1 ] ) )
01149 --c;
01150 }
01151 else
01152 {
01153 while( !c.atEdge( left )
01154 && !h->isInWord( m_doc->textLine( c.line() )[ c.col() - 1 ] )
01155
01156
01157 && !m_doc->textLine( c.line() )[ c.col() - 1 ].isSpace() )
01158 {
01159 --c;
01160 }
01161 }
01162
01163 updateSelection( c, sel );
01164 updateCursor( c );
01165 }
01166
01167 void KateViewInternal::wordRight( bool sel )
01168 {
01169 WrappingCursor c( this, cursor );
01170
01171
01172
01173
01174
01175
01176
01177
01178
01179 KateHighlighting* h = m_doc->highlight();
01180 if( c.atEdge( right ) )
01181 {
01182 ++c;
01183 }
01184 else if( h->isInWord( m_doc->textLine( c.line() )[ c.col() ] ) )
01185 {
01186 while( !c.atEdge( right ) && h->isInWord( m_doc->textLine( c.line() )[ c.col() ] ) )
01187 ++c;
01188 }
01189 else
01190 {
01191 while( !c.atEdge( right )
01192 && !h->isInWord( m_doc->textLine( c.line() )[ c.col() ] )
01193
01194
01195 && !m_doc->textLine( c.line() )[ c.col() ].isSpace() )
01196 {
01197 ++c;
01198 }
01199 }
01200
01201 while( !c.atEdge( right ) && m_doc->textLine( c.line() )[ c.col() ].isSpace() )
01202 ++c;
01203
01204 updateSelection( c, sel );
01205 updateCursor( c );
01206 }
01207
01208 void KateViewInternal::moveEdge( Bias bias, bool sel )
01209 {
01210 BoundedCursor c( this, cursor );
01211 c.toEdge( bias );
01212 updateSelection( c, sel );
01213 updateCursor( c );
01214 }
01215
01216 void KateViewInternal::home( bool sel )
01217 {
01218 if (m_view->m_codeCompletion->codeCompletionVisible()) {
01219 QKeyEvent e(QEvent::KeyPress, Qt::Key_Home, 0, 0);
01220 m_view->m_codeCompletion->handleKey(&e);
01221 return;
01222 }
01223
01224 if (m_view->dynWordWrap() && currentRange().startCol) {
01225
01226 if (cursor.col() != currentRange().startCol) {
01227 KateTextCursor c(cursor.line(), currentRange().startCol);
01228 updateSelection( c, sel );
01229 updateCursor( c );
01230 return;
01231 }
01232 }
01233
01234 if( !(m_doc->configFlags() & KateDocument::cfSmartHome) ) {
01235 moveEdge( left, sel );
01236 return;
01237 }
01238
01239 KateTextLine::Ptr l = textLine( cursor.line() );
01240
01241 if (!l)
01242 return;
01243
01244 KateTextCursor c = cursor;
01245 int lc = l->firstChar();
01246
01247 if( lc < 0 || c.col() == lc ) {
01248 c.setCol(0);
01249 } else {
01250 c.setCol(lc);
01251 }
01252
01253 updateSelection( c, sel );
01254 updateCursor( c, true );
01255 }
01256
01257 void KateViewInternal::end( bool sel )
01258 {
01259 if (m_view->m_codeCompletion->codeCompletionVisible()) {
01260 QKeyEvent e(QEvent::KeyPress, Qt::Key_End, 0, 0);
01261 m_view->m_codeCompletion->handleKey(&e);
01262 return;
01263 }
01264
01265
01266
01267 bool alreadyAtEndOfLine = false;
01268
01269 if (m_view->dynWordWrap() && currentRange().wrap) {
01270
01271 if (cursor.col() < currentRange().endCol - 1) {
01272 KateTextCursor c(cursor.line(), currentRange().endCol - 1);
01273 updateSelection( c, sel );
01274 updateCursor( c );
01275 return;
01276 }
01277 alreadyAtEndOfLine = true;
01278 }
01279
01280 if( !(m_doc->configFlags() & KateDocument::cfSmartHome) ) {
01281 moveEdge( right, sel );
01282 return;
01283 }
01284
01285 KateTextLine::Ptr l = textLine( cursor.line() );
01286
01287 if (!l)
01288 return;
01289
01290
01291 KateTextCursor c = cursor;
01292 int lc = l->lastChar();
01293
01294
01295 int endOfLine = currentRange().endCol - (m_view->dynWordWrap() ? 1 : 0);
01296
01297 if (lc < 0 || c.col() == (lc + 1)) {
01298 if (alreadyAtEndOfLine) {
01299 moveEdge(right, sel);
01300 return;
01301 }
01302 c.setCol(endOfLine);
01303 } else {
01304 c.setCol(lc + 1);
01305 }
01306
01307 updateSelection( c, sel );
01308 updateCursor( c, true );
01309 }
01310
01311 KateLineRange KateViewInternal::range(int realLine, const KateLineRange* previous)
01312 {
01313
01314 if (!m_updatingView && realLine >= lineRanges[0].line && realLine <= lineRanges[lineRanges.count() - 1].line)
01315 for (uint i = 0; i < lineRanges.count(); i++)
01316 if (realLine == lineRanges[i].line)
01317 if (!m_view->dynWordWrap() || (!previous && lineRanges[i].startCol == 0) || (previous && lineRanges[i].startCol == previous->endCol))
01318 return lineRanges[i];
01319
01320
01321 KateLineRange ret;
01322
01323 KateTextLine::Ptr text = textLine(realLine);
01324 if (!text) {
01325 return KateLineRange();
01326 }
01327
01328 if (!m_view->dynWordWrap()) {
01329 Q_ASSERT(!previous);
01330 ret.line = realLine;
01331 ret.virtualLine = m_doc->getVirtualLine(realLine);
01332 ret.startCol = 0;
01333 ret.endCol = m_doc->lineLength(realLine);
01334 ret.startX = 0;
01335 ret.endX = m_view->renderer()->textWidth(text, -1);
01336 ret.viewLine = 0;
01337 ret.wrap = false;
01338 return ret;
01339 }
01340
01341 ret.endCol = (int)m_view->renderer()->textWidth(text, previous ? previous->endCol : 0, width() - (previous ? previous->shiftX : 0), &ret.wrap, &ret.endX);
01342
01343 Q_ASSERT(ret.endCol > ret.startCol);
01344
01345 ret.line = realLine;
01346
01347 if (previous) {
01348 ret.virtualLine = previous->virtualLine;
01349 ret.startCol = previous->endCol;
01350 ret.startX = previous->endX;
01351 ret.endX += previous->endX;
01352 ret.shiftX = previous->shiftX;
01353 ret.viewLine = previous->viewLine + 1;
01354
01355 } else {
01356
01357 if (m_view->config()->dynWordWrapAlignIndent() > 0) {
01358 int pos = text->nextNonSpaceChar(0);
01359
01360 if (pos > 0)
01361 ret.shiftX = m_view->renderer()->textWidth(text, pos);
01362
01363 if (ret.shiftX > ((double)width() / 100 * m_view->config()->dynWordWrapAlignIndent()))
01364 ret.shiftX = 0;
01365 }
01366
01367 ret.virtualLine = m_doc->getVirtualLine(realLine);
01368 ret.startCol = 0;
01369 ret.startX = 0;
01370 ret.viewLine = 0;
01371 }
01372
01373 return ret;
01374 }
01375
01376 KateLineRange KateViewInternal::currentRange()
01377 {
01378
01379
01380 return range(cursor);
01381 }
01382
01383 KateLineRange KateViewInternal::previousRange()
01384 {
01385 uint currentViewLine = viewLine(cursor);
01386
01387 if (currentViewLine)
01388 return range(cursor.line(), currentViewLine - 1);
01389 else
01390 return range(m_doc->getRealLine(displayCursor.line() - 1), -1);
01391 }
01392
01393 KateLineRange KateViewInternal::nextRange()
01394 {
01395 uint currentViewLine = viewLine(cursor) + 1;
01396
01397 if (currentViewLine >= viewLineCount(cursor.line())) {
01398 currentViewLine = 0;
01399 return range(cursor.line() + 1, currentViewLine);
01400 } else {
01401 return range(cursor.line(), currentViewLine);
01402 }
01403 }
01404
01405 KateLineRange KateViewInternal::range(const KateTextCursor& realCursor)
01406 {
01407
01408
01409 KateLineRange thisRange;
01410 bool first = true;
01411
01412 do {
01413 thisRange = range(realCursor.line(), first ? 0L : &thisRange);
01414 first = false;
01415 } while (thisRange.wrap && !(realCursor.col() >= thisRange.startCol && realCursor.col() < thisRange.endCol) && thisRange.startCol != thisRange.endCol);
01416
01417 return thisRange;
01418 }
01419
01420 KateLineRange KateViewInternal::range(uint realLine, int viewLine)
01421 {
01422
01423
01424 KateLineRange thisRange;
01425 bool first = true;
01426
01427 do {
01428 thisRange = range(realLine, first ? 0L : &thisRange);
01429 first = false;
01430 } while (thisRange.wrap && viewLine != thisRange.viewLine && thisRange.startCol != thisRange.endCol);
01431
01432 if (viewLine != -1 && viewLine != thisRange.viewLine)
01433 kdDebug(13030) << "WARNING: viewLine " << viewLine << " of line " << realLine << " does not exist." << endl;
01434
01435 return thisRange;
01436 }
01437
01443 uint KateViewInternal::viewLine(const KateTextCursor& realCursor)
01444 {
01445 if (!m_view->dynWordWrap()) return 0;
01446
01447 if (realCursor.col() == 0) return 0;
01448
01449 KateLineRange thisRange;
01450 bool first = true;
01451
01452 do {
01453 thisRange = range(realCursor.line(), first ? 0L : &thisRange);
01454 first = false;
01455 } while (thisRange.wrap && !(realCursor.col() >= thisRange.startCol && realCursor.col() < thisRange.endCol) && thisRange.startCol != thisRange.endCol);
01456
01457 return thisRange.viewLine;
01458 }
01459
01460 int KateViewInternal::displayViewLine(const KateTextCursor& virtualCursor, bool limitToVisible)
01461 {
01462 KateTextCursor work = startPos();
01463
01464 int limit = linesDisplayed();
01465
01466
01467 if (!m_view->dynWordWrap()) {
01468 int ret = virtualCursor.line() - startLine();
01469 if (limitToVisible && (ret < 0 || ret > limit))
01470 return -1;
01471 else
01472 return ret;
01473 }
01474
01475 if (work == virtualCursor) {
01476 return 0;
01477 }
01478
01479 int ret = -(int)viewLine(work);
01480 bool forwards = (work < virtualCursor) ? true : false;
01481
01482
01483 if (forwards) {
01484 while (work.line() != virtualCursor.line()) {
01485 ret += viewLineCount(m_doc->getRealLine(work.line()));
01486 work.setLine(work.line() + 1);
01487 if (limitToVisible && ret > limit)
01488 return -1;
01489 }
01490 } else {
01491 while (work.line() != virtualCursor.line()) {
01492 work.setLine(work.line() - 1);
01493 ret -= viewLineCount(m_doc->getRealLine(work.line()));
01494 if (limitToVisible && ret < 0)
01495 return -1;
01496 }
01497 }
01498
01499
01500 KateTextCursor realCursor = virtualCursor;
01501 realCursor.setLine(m_doc->getRealLine(realCursor.line()));
01502 if (realCursor.col() == -1) realCursor.setCol(m_doc->lineLength(realCursor.line()));
01503 ret += viewLine(realCursor);
01504
01505 if (limitToVisible && (ret < 0 || ret > limit))
01506 return -1;
01507
01508 return ret;
01509 }
01510
01511 uint KateViewInternal::lastViewLine(uint realLine)
01512 {
01513 if (!m_view->dynWordWrap()) return 0;
01514
01515 KateLineRange thisRange;
01516 bool first = true;
01517
01518 do {
01519 thisRange = range(realLine, first ? 0L : &thisRange);
01520 first = false;
01521 } while (thisRange.wrap && thisRange.startCol != thisRange.endCol);
01522
01523 return thisRange.viewLine;
01524 }
01525
01526 uint KateViewInternal::viewLineCount(uint realLine)
01527 {
01528 return lastViewLine(realLine) + 1;
01529 }
01530
01531
01532
01533
01534
01535
01536
01537
01538 KateTextCursor KateViewInternal::viewLineOffset(const KateTextCursor& virtualCursor, int offset, bool keepX)
01539 {
01540 if (!m_view->dynWordWrap()) {
01541 KateTextCursor ret(kMin((int)m_doc->visibleLines() - 1, virtualCursor.line() + offset), 0);
01542
01543 if (ret.line() < 0)
01544 ret.setLine(0);
01545
01546 if (keepX) {
01547 int realLine = m_doc->getRealLine(ret.line());
01548 ret.setCol(m_doc->lineLength(realLine) - 1);
01549
01550 if (m_currentMaxX > cXPos)
01551 cXPos = m_currentMaxX;
01552
01553 if (m_view->wrapCursor())
01554 cXPos = kMin(cXPos, (int)m_view->renderer()->textWidth(textLine(realLine), m_doc->lineLength(realLine)));
01555
01556 m_view->renderer()->textWidth(ret, cXPos);
01557 }
01558
01559 return ret;
01560 }
01561
01562 KateTextCursor realCursor = virtualCursor;
01563 realCursor.setLine(m_doc->getRealLine(virtualCursor.line()));
01564
01565 uint cursorViewLine = viewLine(realCursor);
01566
01567 int currentOffset = 0;
01568 int virtualLine = 0;
01569
01570 bool forwards = (offset > 0) ? true : false;
01571
01572 if (forwards) {
01573 currentOffset = lastViewLine(realCursor.line()) - cursorViewLine;
01574 if (offset <= currentOffset) {
01575
01576 KateLineRange thisRange = range(realCursor.line(), cursorViewLine + offset);
01577 Q_ASSERT(thisRange.virtualLine == virtualCursor.line());
01578 return KateTextCursor(virtualCursor.line(), thisRange.startCol);
01579 }
01580
01581 virtualLine = virtualCursor.line() + 1;
01582
01583 } else {
01584 offset = -offset;
01585 currentOffset = cursorViewLine;
01586 if (offset <= currentOffset) {
01587
01588 KateLineRange thisRange = range(realCursor.line(), cursorViewLine - offset);
01589 Q_ASSERT(thisRange.virtualLine == virtualCursor.line());
01590 return KateTextCursor(virtualCursor.line(), thisRange.startCol);
01591 }
01592
01593 virtualLine = virtualCursor.line() - 1;
01594 }
01595
01596 currentOffset++;
01597
01598 while (virtualLine >= 0 && virtualLine < (int)m_doc->visibleLines())
01599 {
01600 KateLineRange thisRange;
01601 bool first = true;
01602 int realLine = m_doc->getRealLine(virtualLine);
01603
01604 do {
01605 thisRange = range(realLine, first ? 0L : &thisRange);
01606 first = false;
01607
01608 if (offset == currentOffset) {
01609 if (!forwards) {
01610
01611 int requiredViewLine = lastViewLine(realLine) - thisRange.viewLine;
01612 if (requiredViewLine != thisRange.viewLine) {
01613 thisRange = range(realLine, requiredViewLine);
01614 }
01615 }
01616
01617 KateTextCursor ret(virtualLine, thisRange.startCol);
01618
01619
01620 if (keepX) {
01621 ret.setCol(thisRange.endCol - 1);
01622 KateTextCursor realCursorTemp(m_doc->getRealLine(virtualCursor.line()), virtualCursor.col());
01623 int visibleX = m_view->renderer()->textWidth(realCursorTemp) - range(realCursorTemp).startX;
01624 int xOffset = thisRange.startX;
01625
01626 if (m_currentMaxX > visibleX)
01627 visibleX = m_currentMaxX;
01628
01629 cXPos = xOffset + visibleX;
01630
01631 cXPos = kMin(cXPos, lineMaxCursorX(thisRange));
01632
01633 m_view->renderer()->textWidth(ret, cXPos);
01634 }
01635
01636 return ret;
01637 }
01638
01639 currentOffset++;
01640
01641 } while (thisRange.wrap);
01642
01643 if (forwards)
01644 virtualLine++;
01645 else
01646 virtualLine--;
01647 }
01648
01649
01650
01651 if (forwards)
01652 return KateTextCursor(m_doc->visibleLines() - 1, m_doc->lineLength(m_doc->visibleLines() - 1));
01653 else
01654 return KateTextCursor(0, 0);
01655 }
01656
01657 int KateViewInternal::lineMaxCursorX(const KateLineRange& range)
01658 {
01659 if (!m_view->wrapCursor() && !range.wrap)
01660 return INT_MAX;
01661
01662 int maxX = range.endX;
01663
01664 if (maxX && range.wrap) {
01665 QChar lastCharInLine = textLine(range.line)->getChar(range.endCol - 1);
01666 maxX -= m_view->renderer()->config()->fontMetrics()->width(lastCharInLine);
01667 }
01668
01669 return maxX;
01670 }
01671
01672 int KateViewInternal::lineMaxCol(const KateLineRange& range)
01673 {
01674 int maxCol = range.endCol;
01675
01676 if (maxCol && range.wrap)
01677 maxCol--;
01678
01679 return maxCol;
01680 }
01681
01682 void KateViewInternal::cursorUp(bool sel)
01683 {
01684 if (m_view->m_codeCompletion->codeCompletionVisible()) {
01685 QKeyEvent e(QEvent::KeyPress, Qt::Key_Up, 0, 0);
01686 m_view->m_codeCompletion->handleKey(&e);
01687 return;
01688 }
01689
01690 if (displayCursor.line() == 0 && (!m_view->dynWordWrap() || viewLine(cursor) == 0))
01691 return;
01692
01693 int newLine = cursor.line(), newCol = 0, xOffset = 0, startCol = 0;
01694 m_preserveMaxX = true;
01695
01696 if (m_view->dynWordWrap()) {
01697
01698 KateLineRange thisRange = currentRange();
01699
01700 KateLineRange pRange = previousRange();
01701
01702
01703 Q_ASSERT((cursor.line() == thisRange.line) &&
01704 (cursor.col() >= thisRange.startCol) &&
01705 (!thisRange.wrap || cursor.col() < thisRange.endCol));
01706
01707
01708 int visibleX = m_view->renderer()->textWidth(cursor) - thisRange.startX;
01709 int currentLineVisibleX = visibleX;
01710
01711
01712 visibleX += thisRange.xOffset();
01713 visibleX -= pRange.xOffset();
01714
01715
01716 visibleX = kMax(0, visibleX);
01717
01718 startCol = pRange.startCol;
01719 xOffset = pRange.startX;
01720 newLine = pRange.line;
01721
01722
01723
01724 if (thisRange.xOffset() && !pRange.xOffset() && currentLineVisibleX == 0)
01725 visibleX = m_currentMaxX;
01726 else if (visibleX < m_currentMaxX - pRange.xOffset())
01727 visibleX = m_currentMaxX - pRange.xOffset();
01728
01729 cXPos = xOffset + visibleX;
01730
01731 cXPos = kMin(cXPos, lineMaxCursorX(pRange));
01732
01733 newCol = kMin((int)m_view->renderer()->textPos(newLine, visibleX, startCol), lineMaxCol(pRange));
01734
01735 } else {
01736 newLine = m_doc->getRealLine(displayCursor.line() - 1);
01737
01738 if ((m_view->wrapCursor()) && m_currentMaxX > cXPos)
01739 cXPos = m_currentMaxX;
01740 }
01741
01742 KateTextCursor c(newLine, newCol);
01743 m_view->renderer()->textWidth(c, cXPos);
01744
01745 updateSelection( c, sel );
01746 updateCursor( c );
01747 }
01748
01749 void KateViewInternal::cursorDown(bool sel)
01750 {
01751 if (m_view->m_codeCompletion->codeCompletionVisible()) {
01752 QKeyEvent e(QEvent::KeyPress, Qt::Key_Down, 0, 0);
01753 m_view->m_codeCompletion->handleKey(&e);
01754 return;
01755 }
01756
01757 if ((displayCursor.line() >= (int)m_doc->numVisLines() - 1) && (!m_view->dynWordWrap() || viewLine(cursor) == lastViewLine(cursor.line())))
01758 return;
01759
01760 int newLine = cursor.line(), newCol = 0, xOffset = 0, startCol = 0;
01761 m_preserveMaxX = true;
01762
01763 if (m_view->dynWordWrap()) {
01764
01765 KateLineRange thisRange = currentRange();
01766
01767 KateLineRange nRange = nextRange();
01768
01769
01770 Q_ASSERT((cursor.line() == thisRange.line) &&
01771 (cursor.col() >= thisRange.startCol) &&
01772 (!thisRange.wrap || cursor.col() < thisRange.endCol));
01773
01774
01775 int visibleX = m_view->renderer()->textWidth(cursor) - thisRange.startX;
01776 int currentLineVisibleX = visibleX;
01777
01778
01779 visibleX += thisRange.xOffset();
01780 visibleX -= nRange.xOffset();
01781
01782
01783 visibleX = kMax(0, visibleX);
01784
01785 if (!thisRange.wrap) {
01786 newLine = m_doc->getRealLine(displayCursor.line() + 1);
01787 } else {
01788 startCol = thisRange.endCol;
01789 xOffset = thisRange.endX;
01790 }
01791
01792
01793
01794 if (thisRange.xOffset() && !nRange.xOffset() && currentLineVisibleX == 0)
01795 visibleX = m_currentMaxX;
01796 else if (visibleX < m_currentMaxX - nRange.xOffset())
01797 visibleX = m_currentMaxX - nRange.xOffset();
01798
01799 cXPos = xOffset + visibleX;
01800
01801 cXPos = kMin(cXPos, lineMaxCursorX(nRange));
01802
01803 newCol = kMin((int)m_view->renderer()->textPos(newLine, visibleX, startCol), lineMaxCol(nRange));
01804
01805 } else {
01806 newLine = m_doc->getRealLine(displayCursor.line() + 1);
01807
01808 if ((m_view->wrapCursor()) && m_currentMaxX > cXPos)
01809 cXPos = m_currentMaxX;
01810 }
01811
01812 KateTextCursor c(newLine, newCol);
01813 m_view->renderer()->textWidth(c, cXPos);
01814
01815 updateSelection(c, sel);
01816 updateCursor(c);
01817 }
01818
01819 void KateViewInternal::cursorToMatchingBracket( bool sel )
01820 {
01821 KateTextCursor start( cursor ), end;
01822
01823 if( !m_doc->findMatchingBracket( start, end ) )
01824 return;
01825
01826
01827
01828
01829 if( end > start )
01830 end.setCol(end.col() + 1);
01831
01832 updateSelection( end, sel );
01833 updateCursor( end );
01834 }
01835
01836 void KateViewInternal::topOfView( bool sel )
01837 {
01838 KateTextCursor c = viewLineOffset(startPos(), m_minLinesVisible);
01839 updateSelection( c, sel );
01840 updateCursor( c );
01841 }
01842
01843 void KateViewInternal::bottomOfView( bool sel )
01844 {
01845
01846 KateTextCursor c = viewLineOffset(endPos(), -m_minLinesVisible);
01847 updateSelection( c, sel );
01848 updateCursor( c );
01849 }
01850
01851
01852 void KateViewInternal::scrollLines( int lines, bool sel )
01853 {
01854 KateTextCursor c = viewLineOffset(displayCursor, lines, true);
01855
01856
01857 c.setLine(m_doc->getRealLine(c.line()));
01858
01859 updateSelection( c, sel );
01860 updateCursor( c );
01861 }
01862
01863
01864 void KateViewInternal::scrollUp()
01865 {
01866 KateTextCursor newPos = viewLineOffset(m_startPos, -1);
01867 scrollPos(newPos);
01868 }
01869
01870 void KateViewInternal::scrollDown()
01871 {
01872 KateTextCursor newPos = viewLineOffset(m_startPos, 1);
01873 scrollPos(newPos);
01874 }
01875
01876 void KateViewInternal::setAutoCenterLines(int viewLines, bool updateView)
01877 {
01878 m_autoCenterLines = viewLines;
01879 m_minLinesVisible = kMin(int((linesDisplayed() - 1)/2), m_autoCenterLines);
01880 if (updateView)
01881 KateViewInternal::updateView();
01882 }
01883
01884 void KateViewInternal::pageUp( bool sel )
01885 {
01886 if (m_view->m_codeCompletion->codeCompletionVisible()) {
01887 QKeyEvent e(QEvent::KeyPress, Qt::Key_PageUp, 0, 0);
01888 m_view->m_codeCompletion->handleKey(&e);
01889 return;
01890 }
01891
01892
01893 int viewLine = displayViewLine(displayCursor);
01894 bool atTop = (startPos().line() == 0 && startPos().col() == 0);
01895
01896
01897 int lineadj = 2 * m_minLinesVisible;
01898 int cursorStart = (linesDisplayed() - 1) - viewLine;
01899 if (cursorStart < m_minLinesVisible)
01900 lineadj -= m_minLinesVisible - cursorStart;
01901
01902 int linesToScroll = -kMax( ((int)linesDisplayed() - 1) - lineadj, 0 );
01903 m_preserveMaxX = true;
01904
01905 if (!m_doc->pageUpDownMovesCursor () && !atTop) {
01906 int xPos = m_view->renderer()->textWidth(cursor) - currentRange().startX;
01907
01908 KateTextCursor newStartPos = viewLineOffset(startPos(), linesToScroll - 1);
01909 scrollPos(newStartPos);
01910
01911
01912 KateTextCursor newPos = viewLineOffset(newStartPos, viewLine, true);
01913 newPos.setLine(m_doc->getRealLine(newPos.line()));
01914
01915 KateLineRange newLine = range(newPos);
01916
01917 if (m_currentMaxX - newLine.xOffset() > xPos)
01918 xPos = m_currentMaxX - newLine.xOffset();
01919
01920 cXPos = kMin(newLine.startX + xPos, lineMaxCursorX(newLine));
01921
01922 m_view->renderer()->textWidth( newPos, cXPos );
01923
01924 m_preserveMaxX = true;
01925 updateSelection( newPos, sel );
01926 updateCursor(newPos);
01927
01928 } else {
01929 scrollLines( linesToScroll, sel );
01930 }
01931 }
01932
01933 void KateViewInternal::pageDown( bool sel )
01934 {
01935 if (m_view->m_codeCompletion->codeCompletionVisible()) {
01936 QKeyEvent e(QEvent::KeyPress, Qt::Key_PageDown, 0, 0);
01937 m_view->m_codeCompletion->handleKey(&e);
01938 return;
01939 }
01940
01941
01942 int viewLine = displayViewLine(displayCursor);
01943 bool atEnd = startPos() >= m_cachedMaxStartPos;
01944
01945
01946 int lineadj = 2 * m_minLinesVisible;
01947 int cursorStart = m_minLinesVisible - viewLine;
01948 if (cursorStart > 0)
01949 lineadj -= cursorStart;
01950
01951 int linesToScroll = kMax( ((int)linesDisplayed() - 1) - lineadj, 0 );
01952 m_preserveMaxX = true;
01953
01954 if (!m_doc->pageUpDownMovesCursor () && !atEnd) {
01955 int xPos = m_view->renderer()->textWidth(cursor) - currentRange().startX;
01956
01957 KateTextCursor newStartPos = viewLineOffset(startPos(), linesToScroll + 1);
01958 scrollPos(newStartPos);
01959
01960
01961 KateTextCursor newPos = viewLineOffset(newStartPos, viewLine, true);
01962 newPos.setLine(m_doc->getRealLine(newPos.line()));
01963
01964 KateLineRange newLine = range(newPos);
01965
01966 if (m_currentMaxX - newLine.xOffset() > xPos)
01967 xPos = m_currentMaxX - newLine.xOffset();
01968
01969 cXPos = kMin(newLine.startX + xPos, lineMaxCursorX(newLine));
01970
01971 m_view->renderer()->textWidth( newPos, cXPos );
01972
01973 m_preserveMaxX = true;
01974 updateSelection( newPos, sel );
01975 updateCursor(newPos);
01976
01977 } else {
01978 scrollLines( linesToScroll, sel );
01979 }
01980 }
01981
01982 int KateViewInternal::maxLen(uint startLine)
01983 {
01984
01985
01986 int displayLines = (m_view->height() / m_view->renderer()->fontHeight()) + 1;
01987
01988 int maxLen = 0;
01989
01990 for (int z = 0; z < displayLines; z++) {
01991 int virtualLine = startLine + z;
01992
01993 if (virtualLine < 0 || virtualLine >= (int)m_doc->visibleLines())
01994 break;
01995
01996 KateLineRange thisRange = range((int)m_doc->getRealLine(virtualLine));
01997
01998 maxLen = kMax(maxLen, thisRange.endX);
01999 }
02000
02001 return maxLen;
02002 }
02003
02004 void KateViewInternal::top( bool sel )
02005 {
02006 KateTextCursor c( 0, cursor.col() );
02007 m_view->renderer()->textWidth( c, cXPos );
02008 updateSelection( c, sel );
02009 updateCursor( c );
02010 }
02011
02012 void KateViewInternal::bottom( bool sel )
02013 {
02014 KateTextCursor c( m_doc->lastLine(), cursor.col() );
02015 m_view->renderer()->textWidth( c, cXPos );
02016 updateSelection( c, sel );
02017 updateCursor( c );
02018 }
02019
02020 void KateViewInternal::top_home( bool sel )
02021 {
02022 if (m_view->m_codeCompletion->codeCompletionVisible()) {
02023 QKeyEvent e(QEvent::KeyPress, Qt::Key_Home, 0, 0);
02024 m_view->m_codeCompletion->handleKey(&e);
02025 return;
02026 }
02027 KateTextCursor c( 0, 0 );
02028 updateSelection( c, sel );
02029 updateCursor( c );
02030 }
02031
02032 void KateViewInternal::bottom_end( bool sel )
02033 {
02034 if (m_view->m_codeCompletion->codeCompletionVisible()) {
02035 QKeyEvent e(QEvent::KeyPress, Qt::Key_End, 0, 0);
02036 m_view->m_codeCompletion->handleKey(&e);
02037 return;
02038 }
02039 KateTextCursor c( m_doc->lastLine(), m_doc->lineLength( m_doc->lastLine() ) );
02040 updateSelection( c, sel );
02041 updateCursor( c );
02042 }
02043
02044 void KateViewInternal::updateSelection( const KateTextCursor& _newCursor, bool keepSel )
02045 {
02046 KateTextCursor newCursor = _newCursor;
02047 if( keepSel )
02048 {
02049 if ( !m_view->hasSelection() || (selectAnchor.line() == -1)
02050 || (m_view->config()->persistentSelection()
02051 && ((cursor < m_view->selectStart) || (cursor > m_view->selectEnd))) )
02052 {
02053 selectAnchor = cursor;
02054 m_view->setSelection( cursor, newCursor );
02055 }
02056 else
02057 {
02058 bool doSelect = true;
02059 switch (m_selectionMode)
02060 {
02061 case Word:
02062 {
02063 bool same = ( newCursor.line() == selStartCached.line() );
02064 uint c;
02065 if ( newCursor.line() > selStartCached.line() ||
02066 ( same && newCursor.col() > selEndCached.col() ) )
02067 {
02068 selectAnchor = selStartCached;
02069
02070 KateTextLine::Ptr l = m_doc->kateTextLine( newCursor.line() );
02071
02072 for ( c = newCursor.col(); c < l->length(); c++ )
02073 if ( !m_doc->highlight()->isInWord( l->getChar( c ) ) )
02074 break;
02075
02076 newCursor.setCol( c );
02077 }
02078 else if ( newCursor.line() < selStartCached.line() ||
02079 ( same && newCursor.col() < selStartCached.col() ) )
02080 {
02081 selectAnchor = selEndCached;
02082
02083 KateTextLine::Ptr l = m_doc->kateTextLine( newCursor.line() );
02084
02085 for ( c = newCursor.col(); c > 0; c-- )
02086 if ( !m_doc->highlight()->isInWord( l->getChar( c ) ) )
02087 break;
02088
02089 newCursor.setCol( c+1 );
02090 }
02091 else
02092 doSelect = false;
02093
02094 }
02095 break;
02096 case Line:
02097 if ( newCursor.line() > selStartCached.line() )
02098 {
02099 selectAnchor = selStartCached;
02100 newCursor.setCol( m_doc->textLine( newCursor.line() ).length() );
02101 }
02102 else if ( newCursor.line() < selStartCached.line() )
02103 {
02104 selectAnchor = selEndCached;
02105 newCursor.setCol( 0 );
02106 }
02107 else
02108 doSelect = false;
02109 break;
02110 default:
02111 {
02112 if ( selStartCached.line() < 0 )
02113 break;
02114
02115 if ( newCursor.line() > selEndCached.line() ||
02116 ( newCursor.line() == selEndCached.line() &&
02117 newCursor.col() > selEndCached.col() ) )
02118 selectAnchor = selStartCached;
02119
02120 else if ( newCursor.line() < selStartCached.line() ||
02121 ( newCursor.line() == selStartCached.line() &&
02122 newCursor.col() < selStartCached.col() ) )
02123 selectAnchor = selEndCached;
02124
02125 else
02126 doSelect = false;
02127 }
02128
02129 }
02130
02131 if ( doSelect )
02132 m_view->setSelection( selectAnchor, newCursor);
02133 else if ( selStartCached.line() > 0 )
02134 m_view->setSelection( selStartCached, selEndCached );
02135 }
02136
02137 m_selChangedByUser = true;
02138 }
02139 else if ( !m_view->config()->persistentSelection() )
02140 {
02141 m_view->clearSelection();
02142 selStartCached.setLine( -1 );
02143 selectAnchor.setLine( -1 );
02144 }
02145 }
02146
02147 void KateViewInternal::updateCursor( const KateTextCursor& newCursor, bool force, bool center, bool calledExternally )
02148 {
02149 if ( !force && (cursor == newCursor) )
02150 {
02151 if ( !m_madeVisible )
02152 {
02153
02154 m_doc->foldingTree()->ensureVisible( newCursor.line() );
02155
02156 makeVisible ( displayCursor, displayCursor.col(), false, center, calledExternally );
02157 }
02158
02159 return;
02160 }
02161
02162
02163 m_doc->foldingTree()->ensureVisible( newCursor.line() );
02164
02165 KateTextCursor oldDisplayCursor = displayCursor;
02166
02167 cursor.setPos (newCursor);
02168 displayCursor.setPos (m_doc->getVirtualLine(cursor.line()), cursor.col());
02169
02170 cXPos = m_view->renderer()->textWidth( cursor );
02171 makeVisible ( displayCursor, displayCursor.col(), false, center, calledExternally );
02172
02173 updateBracketMarks();
02174
02175
02176 tagLine(oldDisplayCursor);
02177 tagLine(displayCursor);
02178
02179 updateMicroFocusHint();
02180
02181 if (m_cursorTimer.isActive ())
02182 {
02183 if ( KApplication::cursorFlashTime() > 0 )
02184 m_cursorTimer.start( KApplication::cursorFlashTime() / 2 );
02185 m_view->renderer()->setDrawCaret(true);
02186 }
02187
02188
02189 if (m_preserveMaxX)
02190 m_preserveMaxX = false;
02191 else
02192 if (m_view->dynWordWrap())
02193 m_currentMaxX = m_view->renderer()->textWidth(displayCursor) - currentRange().startX + currentRange().xOffset();
02194 else
02195 m_currentMaxX = cXPos;
02196
02197
02198
02199
02200 paintText(0, 0, width(), height(), true);
02201
02202 emit m_view->cursorPositionChanged();
02203 }
02204
02205 void KateViewInternal::updateBracketMarks()
02206 {
02207 if ( bm.isValid() ) {
02208 KateTextCursor bmStart(m_doc->getVirtualLine(bm.start().line()), bm.start().col());
02209 KateTextCursor bmEnd(m_doc->getVirtualLine(bm.end().line()), bm.end().col());
02210
02211 if( bm.getMinIndent() != 0 )
02212 {
02213
02214 if( bmStart > bmEnd )
02215 {
02216 tagLines(bmEnd, bmStart, true);
02217 }
02218 else
02219 {
02220 tagLines(bmStart, bmEnd, true);
02221 }
02222 }
02223 else
02224 {
02225 tagLine(bmStart);
02226 tagLine(bmEnd);
02227 }
02228 }
02229
02230
02231 int maxLines = linesDisplayed () * 3;
02232 m_doc->newBracketMark( cursor, bm, maxLines );
02233
02234 if ( bm.isValid() ) {
02235 KateTextCursor bmStart(m_doc->getVirtualLine(bm.start().line()), bm.start().col());
02236 KateTextCursor bmEnd(m_doc->getVirtualLine(bm.end().line()), bm.end().col());
02237
02238 if( bm.getMinIndent() != 0 )
02239 {
02240
02241 if( bmStart > bmEnd )
02242 {
02243 tagLines(bmEnd, bmStart, true);
02244 }
02245 else
02246 {
02247 tagLines(bmStart, bmEnd, true);
02248 }
02249 }
02250 else
02251 {
02252 tagLine(bmStart);
02253 tagLine(bmEnd);
02254 }
02255 }
02256 }
02257
02258 bool KateViewInternal::tagLine(const KateTextCursor& virtualCursor)
02259 {
02260 int viewLine = displayViewLine(virtualCursor, true);
02261 if (viewLine >= 0 && viewLine < (int)lineRanges.count()) {
02262 lineRanges[viewLine].dirty = true;
02263 leftBorder->update (0, lineToY(viewLine), leftBorder->width(), m_view->renderer()->fontHeight());
02264 return true;
02265 }
02266 return false;
02267 }
02268
02269 bool KateViewInternal::tagLines( int start, int end, bool realLines )
02270 {
02271 return tagLines(KateTextCursor(start, 0), KateTextCursor(end, -1), realLines);
02272 }
02273
02274 bool KateViewInternal::tagLines(KateTextCursor start, KateTextCursor end, bool realCursors)
02275 {
02276 if (realCursors)
02277 {
02278
02279 start.setLine(m_doc->getVirtualLine( start.line() ));
02280 end.setLine(m_doc->getVirtualLine( end.line() ));
02281 }
02282
02283 if (end.line() < (int)startLine())
02284 {
02285
02286 return false;
02287 }
02288 if (start.line() > (int)endLine())
02289 {
02290
02291 return false;
02292 }
02293
02294
02295
02296 bool ret = false;
02297
02298 for (uint z = 0; z < lineRanges.size(); z++)
02299 {
02300 if ((lineRanges[z].virtualLine > start.line() || (lineRanges[z].virtualLine == start.line() && lineRanges[z].endCol >= start.col() && start.col() != -1)) && (lineRanges[z].virtualLine < end.line() || (lineRanges[z].virtualLine == end.line() && (lineRanges[z].startCol <= end.col() || end.col() == -1)))) {
02301 ret = lineRanges[z].dirty = true;
02302
02303 }
02304 }
02305
02306 if (!m_view->dynWordWrap())
02307 {
02308 int y = lineToY( start.line() );
02309
02310 int h = (end.line() - start.line() + 2) * m_view->renderer()->fontHeight();
02311 if (end.line() == (int)m_doc->numVisLines() - 1)
02312 h = height();
02313
02314 leftBorder->update (0, y, leftBorder->width(), h);
02315 }
02316 else
02317 {
02318
02319
02320 for (uint z = 0; z < lineRanges.size(); z++)
02321 {
02322 if ((lineRanges[z].virtualLine > start.line() || (lineRanges[z].virtualLine == start.line() && lineRanges[z].endCol >= start.col() && start.col() != -1)) && (lineRanges[z].virtualLine < end.line() || (lineRanges[z].virtualLine == end.line() && (lineRanges[z].startCol <= end.col() || end.col() == -1))))
02323 {
02324
02325 leftBorder->update (0, z * m_view->renderer()->fontHeight(), leftBorder->width(), leftBorder->height());
02326 break;
02327 }
02328
02329
02330
02331
02332
02333
02334 }
02335 }
02336
02337 return ret;
02338 }
02339
02340 void KateViewInternal::tagAll()
02341 {
02342
02343 for (uint z = 0; z < lineRanges.size(); z++)
02344 {
02345 lineRanges[z].dirty = true;
02346 }
02347
02348 leftBorder->updateFont();
02349 leftBorder->update ();
02350 }
02351
02352 void KateViewInternal::paintCursor()
02353 {
02354 if (tagLine(displayCursor))
02355 paintText (0,0,width(), height(), true);
02356 }
02357
02358
02359 void KateViewInternal::placeCursor( const QPoint& p, bool keepSelection, bool updateSelection )
02360 {
02361 KateLineRange thisRange = yToKateLineRange(p.y());
02362
02363 if (thisRange.line == -1) {
02364 for (int i = (p.y() / m_view->renderer()->fontHeight()); i >= 0; i--) {
02365 thisRange = lineRanges[i];
02366 if (thisRange.line != -1)
02367 break;
02368 }
02369 Q_ASSERT(thisRange.line != -1);
02370 }
02371
02372 int realLine = thisRange.line;
02373 int visibleLine = thisRange.virtualLine;
02374 uint startCol = thisRange.startCol;
02375
02376 visibleLine = kMax( 0, kMin( visibleLine, int(m_doc->numVisLines()) - 1 ) );
02377
02378 KateTextCursor c(realLine, 0);
02379
02380 int x = kMin(kMax(-m_startX, p.x() - thisRange.xOffset()), lineMaxCursorX(thisRange) - thisRange.startX);
02381
02382 m_view->renderer()->textWidth( c, startX() + x, startCol);
02383
02384 if (updateSelection)
02385 KateViewInternal::updateSelection( c, keepSelection );
02386
02387 updateCursor( c );
02388 }
02389
02390
02391 bool KateViewInternal::isTargetSelected( const QPoint& p )
02392 {
02393 KateLineRange thisRange = yToKateLineRange(p.y());
02394
02395 KateTextLine::Ptr l = textLine( thisRange.line );
02396 if( !l )
02397 return false;
02398
02399 int col = m_view->renderer()->textPos( l, p.x() - thisRange.xOffset(), thisRange.startCol, false );
02400
02401 return m_view->lineColSelected( thisRange.line, col );
02402 }
02403
02404
02405
02406 bool KateViewInternal::eventFilter( QObject *obj, QEvent *e )
02407 {
02408 if (obj == m_lineScroll)
02409 {
02410
02411 if (e->type() == QEvent::Wheel && m_lineScroll->minValue() != m_lineScroll->maxValue())
02412 {
02413 wheelEvent((QWheelEvent*)e);
02414 return true;
02415 }
02416
02417
02418 return QWidget::eventFilter( obj, e );
02419 }
02420
02421 switch( e->type() )
02422 {
02423 case QEvent::KeyPress:
02424 {
02425 QKeyEvent *k = (QKeyEvent *)e;
02426
02427 if (m_view->m_codeCompletion->codeCompletionVisible ())
02428 {
02429 kdDebug (13030) << "hint around" << endl;
02430
02431 if( k->key() == Key_Escape )
02432 m_view->m_codeCompletion->abortCompletion();
02433 }
02434
02435 if ((k->key() == Qt::Key_Escape) && !m_view->config()->persistentSelection() )
02436 {
02437 m_view->clearSelection();
02438 return true;
02439 }
02440 else if ( !((k->state() & ControlButton) || (k->state() & AltButton)) )
02441 {
02442 keyPressEvent( k );
02443 return k->isAccepted();
02444 }
02445
02446 } break;
02447
02448 case QEvent::DragMove:
02449 {
02450 QPoint currentPoint = ((QDragMoveEvent*) e)->pos();
02451
02452 QRect doNotScrollRegion( scrollMargin, scrollMargin,
02453 width() - scrollMargin * 2,
02454 height() - scrollMargin * 2 );
02455
02456 if ( !doNotScrollRegion.contains( currentPoint ) )
02457 {
02458 startDragScroll();
02459
02460 ( (QDragMoveEvent*)e )->accept( QRect(0,0,0,0) );
02461 }
02462
02463 dragMoveEvent((QDragMoveEvent*)e);
02464 } break;
02465
02466 case QEvent::DragLeave:
02467
02468 stopDragScroll();
02469 break;
02470
02471 case QEvent::WindowBlocked:
02472
02473
02474 m_doc->m_isasking = -1;
02475 break;
02476
02477 default:
02478 break;
02479 }
02480
02481 return QWidget::eventFilter( obj, e );
02482 }
02483
02484 void KateViewInternal::keyPressEvent( QKeyEvent* e )
02485 {
02486 KKey key(e);
02487
02488 bool codeComp = m_view->m_codeCompletion->codeCompletionVisible ();
02489
02490 if (codeComp)
02491 {
02492 kdDebug (13030) << "hint around" << endl;
02493
02494 if( e->key() == Key_Enter || e->key() == Key_Return ||
02495 (key == SHIFT + Qt::Key_Return) || (key == SHIFT + Qt::Key_Enter)) {
02496 m_view->m_codeCompletion->doComplete();
02497 e->accept();
02498 return;
02499 }
02500 }
02501
02502 if( !m_doc->isReadWrite() )
02503 {
02504 e->ignore();
02505 return;
02506 }
02507
02508 if ((key == Qt::Key_Return) || (key == Qt::Key_Enter))
02509 {
02510 m_view->keyReturn();
02511 e->accept();
02512 return;
02513 }
02514
02515 if ((key == SHIFT + Qt::Key_Return) || (key == SHIFT + Qt::Key_Enter))
02516 {
02517 uint ln = cursor.line();
02518 int col = cursor.col();
02519 KateTextLine::Ptr line = m_doc->kateTextLine( ln );
02520 int pos = line->firstChar();
02521 if (pos > cursor.col()) pos = cursor.col();
02522 if (pos != -1) {
02523 while ((int)line->length() > pos &&
02524 !line->getChar(pos).isLetterOrNumber() &&
02525 pos < cursor.col()) ++pos;
02526 } else {
02527 pos = line->length();
02528 }
02529 m_doc->editStart();
02530 m_doc->insertText( cursor.line(), line->length(), "\n" + line->string(0, pos)
02531 + line->string().right( line->length() - cursor.col() ) );
02532 cursor.setPos(ln + 1, pos);
02533 if (col < int(line->length()))
02534 m_doc->editRemoveText(ln, col, line->length() - col);
02535 m_doc->editEnd();
02536 updateCursor(cursor, true);
02537 updateView();
02538 e->accept();
02539
02540 return;
02541 }
02542
02543 if (key == Qt::Key_Backspace || key == SHIFT + Qt::Key_Backspace)
02544 {
02545 m_view->backspace();
02546 e->accept();
02547
02548 if (codeComp)
02549 m_view->m_codeCompletion->updateBox ();
02550
02551 return;
02552 }
02553
02554 if (key == Qt::Key_Tab || key == SHIFT+Qt::Key_Backtab || key == Qt::Key_Backtab)
02555 {
02556 if (m_doc->invokeTabInterceptor(key)) {
02557 e->accept();
02558 return;
02559 } else
02560 if (m_doc->configFlags() & KateDocumentConfig::cfTabIndents)
02561 {
02562 if( key == Qt::Key_Tab )
02563 {
02564 if (m_view->hasSelection() || (m_doc->configFlags() & KateDocumentConfig::cfTabIndentsMode))
02565 m_doc->indent( m_view, cursor.line(), 1 );
02566 else if (m_doc->configFlags() & KateDocumentConfig::cfTabInsertsTab)
02567 m_doc->typeChars ( m_view, QString ("\t") );
02568 else
02569 m_doc->insertIndentChars ( m_view );
02570
02571 e->accept();
02572
02573 if (codeComp)
02574 m_view->m_codeCompletion->updateBox ();
02575
02576 return;
02577 }
02578
02579 if (key == SHIFT+Qt::Key_Backtab || key == Qt::Key_Backtab)
02580 {
02581 m_doc->indent( m_view, cursor.line(), -1 );
02582 e->accept();
02583
02584 if (codeComp)
02585 m_view->m_codeCompletion->updateBox ();
02586
02587 return;
02588 }
02589 }
02590 }
02591 if ( !(e->state() & ControlButton) && !(e->state() & AltButton)
02592 && m_doc->typeChars ( m_view, e->text() ) )
02593 {
02594 e->accept();
02595
02596 if (codeComp)
02597 m_view->m_codeCompletion->updateBox ();
02598
02599 return;
02600 }
02601
02602 e->ignore();
02603 }
02604
02605 void KateViewInternal::keyReleaseEvent( QKeyEvent* e )
02606 {
02607 KKey key(e);
02608
02609 if (key == SHIFT)
02610 m_shiftKeyPressed = true;
02611 else
02612 {
02613 if (m_shiftKeyPressed)
02614 {
02615 m_shiftKeyPressed = false;
02616
02617 if (m_selChangedByUser)
02618 {
02619 QApplication::clipboard()->setSelectionMode( true );
02620 m_view->copy();
02621 QApplication::clipboard()->setSelectionMode( false );
02622
02623 m_selChangedByUser = false;
02624 }
02625 }
02626 }
02627
02628 e->ignore();
02629 return;
02630 }
02631
02632 void KateViewInternal::contextMenuEvent ( QContextMenuEvent * e )
02633 {
02634
02635
02636 QPoint p = e->pos();
02637
02638 if ( m_view->m_doc->browserView() )
02639 {
02640 m_view->contextMenuEvent( e );
02641 return;
02642 }
02643
02644 if ( e->reason() == QContextMenuEvent::Keyboard )
02645 {
02646 makeVisible( cursor, 0 );
02647 p = cursorCoordinates();
02648 }
02649 else if ( ! m_view->hasSelection() || m_view->config()->persistentSelection() )
02650 placeCursor( e->pos() );
02651
02652
02653 if (m_view->popup()) {
02654 m_view->popup()->popup( mapToGlobal( p ) );
02655 e->accept ();
02656 }
02657 }
02658
02659 void KateViewInternal::mousePressEvent( QMouseEvent* e )
02660 {
02661 switch (e->button())
02662 {
02663 case LeftButton:
02664 m_selChangedByUser = false;
02665
02666 if (possibleTripleClick)
02667 {
02668 possibleTripleClick = false;
02669
02670 m_selectionMode = Line;
02671
02672 if ( e->state() & Qt::ShiftButton )
02673 {
02674 updateSelection( cursor, true );
02675 }
02676 else
02677 {
02678 m_view->selectLine( cursor );
02679 }
02680
02681 QApplication::clipboard()->setSelectionMode( true );
02682 m_view->copy();
02683 QApplication::clipboard()->setSelectionMode( false );
02684
02685 selStartCached = m_view->selectStart;
02686 selEndCached = m_view->selectEnd;
02687
02688 cursor.setCol(0);
02689 updateCursor( cursor, true );
02690 e->accept ();
02691 return;
02692 }
02693
02694 if ( e->state() & Qt::ShiftButton )
02695 {
02696 selStartCached = m_view->selectStart;
02697 selEndCached = m_view->selectEnd;
02698 }
02699 else
02700 selStartCached.setLine( -1 );
02701
02702 if( isTargetSelected( e->pos() ) )
02703 {
02704 dragInfo.state = diPending;
02705 dragInfo.start = e->pos();
02706 }
02707 else
02708 {
02709 dragInfo.state = diNone;
02710
02711 placeCursor( e->pos(), e->state() & ShiftButton );
02712
02713 scrollX = 0;
02714 scrollY = 0;
02715
02716 m_scrollTimer.start (50);
02717 }
02718
02719 e->accept ();
02720 break;
02721
02722 default:
02723 e->ignore ();
02724 break;
02725 }
02726 }
02727
02728 void KateViewInternal::mouseDoubleClickEvent(QMouseEvent *e)
02729 {
02730 switch (e->button())
02731 {
02732 case LeftButton:
02733 m_selectionMode = Word;
02734
02735 if ( e->state() & Qt::ShiftButton )
02736 {
02737 selStartCached = m_view->selectStart;
02738 selEndCached = m_view->selectEnd;
02739 updateSelection( cursor, true );
02740 }
02741 else
02742 {
02743
02744
02745
02746
02747 m_view->clearSelection( false, false );
02748 m_view->selectWord( cursor );
02749 selectAnchor = KateTextCursor (m_view->selEndLine(), m_view->selEndCol());
02750 selStartCached = m_view->selectStart;
02751 selEndCached = m_view->selectEnd;
02752 }
02753
02754
02755 if (m_view->hasSelection())
02756 {
02757 QApplication::clipboard()->setSelectionMode( true );
02758 m_view->copy();
02759 QApplication::clipboard()->setSelectionMode( false );
02760
02761 cursor.setPos(m_view->selectEnd);
02762 updateCursor( cursor, true );
02763
02764 selStartCached = m_view->selectStart;
02765 selEndCached = m_view->selectEnd;
02766 }
02767
02768 possibleTripleClick = true;
02769 QTimer::singleShot ( QApplication::doubleClickInterval(), this, SLOT(tripleClickTimeout()) );
02770
02771 e->accept ();
02772 break;
02773
02774 default:
02775 e->ignore ();
02776 break;
02777 }
02778 }
02779
02780 void KateViewInternal::tripleClickTimeout()
02781 {
02782 possibleTripleClick = false;
02783 }
02784
02785 void KateViewInternal::mouseReleaseEvent( QMouseEvent* e )
02786 {
02787 switch (e->button())
02788 {
02789 case LeftButton:
02790 m_selectionMode = Default;
02791
02792
02793 if (m_selChangedByUser)
02794 {
02795 QApplication::clipboard()->setSelectionMode( true );
02796 m_view->copy();
02797 QApplication::clipboard()->setSelectionMode( false );
02798
02799 m_selChangedByUser = false;
02800 }
02801
02802 if (dragInfo.state == diPending)
02803 placeCursor( e->pos(), e->state() & ShiftButton );
02804 else if (dragInfo.state == diNone)
02805 m_scrollTimer.stop ();
02806
02807 dragInfo.state = diNone;
02808
02809 e->accept ();
02810 break;
02811
02812 case MidButton:
02813 placeCursor( e->pos() );
02814
02815 if( m_doc->isReadWrite() )
02816 {
02817 QApplication::clipboard()->setSelectionMode( true );
02818 m_view->paste ();
02819 QApplication::clipboard()->setSelectionMode( false );
02820 }
02821
02822 e->accept ();
02823 break;
02824
02825 default:
02826 e->ignore ();
02827 break;
02828 }
02829 }
02830
02831 void KateViewInternal::mouseMoveEvent( QMouseEvent* e )
02832 {
02833 if( e->state() & LeftButton )
02834 {
02835 if (dragInfo.state == diPending)
02836 {
02837
02838
02839 QPoint p( e->pos() - dragInfo.start );
02840
02841
02842 if( p.manhattanLength() > KGlobalSettings::dndEventDelay() )
02843 doDrag();
02844
02845 return;
02846 }
02847
02848 mouseX = e->x();
02849 mouseY = e->y();
02850
02851 scrollX = 0;
02852 scrollY = 0;
02853 int d = m_view->renderer()->fontHeight();
02854
02855 if (mouseX < 0)
02856 scrollX = -d;
02857
02858 if (mouseX > width())
02859 scrollX = d;
02860
02861 if (mouseY < 0)
02862 {
02863 mouseY = 0;
02864 scrollY = -d;
02865 }
02866
02867 if (mouseY > height())
02868 {
02869 mouseY = height();
02870 scrollY = d;
02871 }
02872
02873 placeCursor( QPoint( mouseX, mouseY ), true );
02874
02875 }
02876 else
02877 {
02878 if (isTargetSelected( e->pos() ) ) {
02879
02880
02881 if (m_mouseCursor != ArrowCursor) {
02882 setCursor( KCursor::arrowCursor() );
02883 m_mouseCursor = ArrowCursor;
02884 }
02885 } else {
02886
02887 if (m_mouseCursor != IbeamCursor) {
02888 setCursor( KCursor::ibeamCursor() );
02889 m_mouseCursor = IbeamCursor;
02890 }
02891 }
02892
02893 if (m_textHintEnabled)
02894 {
02895 m_textHintTimer.start(m_textHintTimeout);
02896 m_textHintMouseX=e->x();
02897 m_textHintMouseY=e->y();
02898 }
02899 }
02900 }
02901
02902 void KateViewInternal::paintEvent(QPaintEvent *e)
02903 {
02904 paintText(e->rect().x(), e->rect().y(), e->rect().width(), e->rect().height());
02905 }
02906
02907 void KateViewInternal::resizeEvent(QResizeEvent* e)
02908 {
02909 bool expandedHorizontally = width() > e->oldSize().width();
02910 bool expandedVertically = height() > e->oldSize().height();
02911 bool heightChanged = height() != e->oldSize().height();
02912
02913 m_madeVisible = false;
02914
02915 if (heightChanged) {
02916 setAutoCenterLines(m_autoCenterLines, false);
02917 m_cachedMaxStartPos.setPos(-1, -1);
02918 }
02919
02920 if (m_view->dynWordWrap()) {
02921 bool dirtied = false;
02922
02923 for (uint i = 0; i < lineRanges.count(); i++) {
02924
02925
02926 if (lineRanges[i].wrap ||
02927 (!expandedHorizontally && (lineRanges[i].endX - lineRanges[i].startX) > width())) {
02928 dirtied = lineRanges[i].dirty = true;
02929 break;
02930 }
02931 }
02932
02933 if (dirtied || heightChanged) {
02934 updateView(true);
02935 leftBorder->update();
02936 }
02937
02938 if (width() < e->oldSize().width()) {
02939 if (!m_view->wrapCursor()) {
02940
02941 if (cursor.col() > m_doc->lineLength(cursor.line())) {
02942 KateLineRange thisRange = currentRange();
02943
02944 KateTextCursor newCursor(cursor.line(), thisRange.endCol + ((width() - thisRange.xOffset() - (thisRange.endX - thisRange.startX)) / m_view->renderer()->spaceWidth()) - 1);
02945 updateCursor(newCursor);
02946 }
02947 }
02948 }
02949
02950 } else {
02951 updateView();
02952
02953 if (expandedHorizontally && startX() > 0)
02954 scrollColumns(startX() - (width() - e->oldSize().width()));
02955 }
02956
02957 if (expandedVertically) {
02958 KateTextCursor max = maxStartPos();
02959 if (startPos() > max)
02960 scrollPos(max);
02961 }
02962 }
02963
02964 void KateViewInternal::scrollTimeout ()
02965 {
02966 if (scrollX || scrollY)
02967 {
02968 scrollLines (startPos().line() + (scrollY / (int)m_view->renderer()->fontHeight()));
02969 placeCursor( QPoint( mouseX, mouseY ), true );
02970 }
02971 }
02972
02973 void KateViewInternal::cursorTimeout ()
02974 {
02975 m_view->renderer()->setDrawCaret(!m_view->renderer()->drawCaret());
02976 paintCursor();
02977 }
02978
02979 void KateViewInternal::textHintTimeout ()
02980 {
02981 m_textHintTimer.stop ();
02982
02983 KateLineRange thisRange = yToKateLineRange(m_textHintMouseY);
02984
02985 if (thisRange.line == -1) return;
02986
02987 if (m_textHintMouseX> (lineMaxCursorX(thisRange) - thisRange.startX)) return;
02988
02989 int realLine = thisRange.line;
02990 int startCol = thisRange.startCol;
02991
02992 KateTextCursor c(realLine, 0);
02993 m_view->renderer()->textWidth( c, startX() + m_textHintMouseX, startCol);
02994
02995 QString tmp;
02996
02997 emit m_view->needTextHint(c.line(), c.col(), tmp);
02998
02999 if (!tmp.isEmpty()) kdDebug(13030)<<"Hint text: "<<tmp<<endl;
03000 }
03001
03002 void KateViewInternal::focusInEvent (QFocusEvent *)
03003 {
03004 if (KApplication::cursorFlashTime() > 0)
03005 m_cursorTimer.start ( KApplication::cursorFlashTime() / 2 );
03006
03007 if (m_textHintEnabled)
03008 m_textHintTimer.start( m_textHintTimeout );
03009
03010 paintCursor();
03011
03012 m_doc->setActiveView( m_view );
03013
03014 emit m_view->gotFocus( m_view );
03015 }
03016
03017 void KateViewInternal::focusOutEvent (QFocusEvent *)
03018 {
03019 if( ! m_view->m_codeCompletion->codeCompletionVisible() )
03020 {
03021 m_cursorTimer.stop();
03022
03023 m_view->renderer()->setDrawCaret(true);
03024 paintCursor();
03025 emit m_view->lostFocus( m_view );
03026 }
03027
03028 m_textHintTimer.stop();
03029 }
03030
03031 void KateViewInternal::doDrag()
03032 {
03033 dragInfo.state = diDragging;
03034 dragInfo.dragObject = new QTextDrag(m_view->selection(), this);
03035 dragInfo.dragObject->drag();
03036 }
03037
03038 void KateViewInternal::dragEnterEvent( QDragEnterEvent* event )
03039 {
03040 event->accept( (QTextDrag::canDecode(event) && m_doc->isReadWrite()) ||
03041 KURLDrag::canDecode(event) );
03042 }
03043
03044 void KateViewInternal::dragMoveEvent( QDragMoveEvent* event )
03045 {
03046
03047 placeCursor( event->pos(), true, false );
03048
03049
03050
03051 event->acceptAction();
03052 }
03053
03054 void KateViewInternal::dropEvent( QDropEvent* event )
03055 {
03056 if ( KURLDrag::canDecode(event) ) {
03057
03058 emit dropEventPass(event);
03059
03060 } else if ( QTextDrag::canDecode(event) && m_doc->isReadWrite() ) {
03061
03062 QString text;
03063
03064 if (!QTextDrag::decode(event, text))
03065 return;
03066
03067
03068 bool priv = false;
03069 if (event->source() && event->source()->inherits("KateViewInternal"))
03070 priv = m_doc->ownedView( ((KateViewInternal*)(event->source()))->m_view );
03071
03072
03073 bool selected = isTargetSelected( event->pos() );
03074
03075 if( priv && selected ) {
03076
03077
03078 return;
03079 }
03080
03081
03082 m_doc->editStart ();
03083
03084
03085 if ( event->action() != QDropEvent::Copy )
03086 m_view->removeSelectedText();
03087
03088 m_doc->insertText( cursor.line(), cursor.col(), text );
03089
03090 m_doc->editEnd ();
03091
03092 placeCursor( event->pos() );
03093
03094 event->acceptAction();
03095 updateView();
03096 }
03097
03098
03099 dragInfo.state = diNone;
03100
03101 stopDragScroll();
03102 }
03103
03104
03105 void KateViewInternal::clear()
03106 {
03107 cursor.setPos(0, 0);
03108 displayCursor.setPos(0, 0);
03109 }
03110
03111 void KateViewInternal::wheelEvent(QWheelEvent* e)
03112 {
03113 if (m_lineScroll->minValue() != m_lineScroll->maxValue() && e->orientation() != Qt::Horizontal) {
03114
03115 if ( ( e->state() & ControlButton ) || ( e->state() & ShiftButton ) ) {
03116 if (e->delta() > 0)
03117 scrollPrevPage();
03118 else
03119 scrollNextPage();
03120 } else {
03121 scrollViewLines(-((e->delta() / 120) * QApplication::wheelScrollLines()));
03122
03123 update();
03124 leftBorder->update();
03125 }
03126
03127 } else if (columnScrollingPossible()) {
03128 QWheelEvent copy = *e;
03129 QApplication::sendEvent(m_columnScroll, ©);
03130
03131 } else {
03132 e->ignore();
03133 }
03134 }
03135
03136 void KateViewInternal::startDragScroll()
03137 {
03138 if ( !m_dragScrollTimer.isActive() ) {
03139 m_dragScrollTimer.start( scrollTime );
03140 }
03141 }
03142
03143 void KateViewInternal::stopDragScroll()
03144 {
03145 m_dragScrollTimer.stop();
03146 updateView();
03147 }
03148
03149 void KateViewInternal::doDragScroll()
03150 {
03151 QPoint p = this->mapFromGlobal( QCursor::pos() );
03152
03153 int dx = 0, dy = 0;
03154 if ( p.y() < scrollMargin ) {
03155 dy = p.y() - scrollMargin;
03156 } else if ( p.y() > height() - scrollMargin ) {
03157 dy = scrollMargin - (height() - p.y());
03158 }
03159
03160 if ( p.x() < scrollMargin ) {
03161 dx = p.x() - scrollMargin;
03162 } else if ( p.x() > width() - scrollMargin ) {
03163 dx = scrollMargin - (width() - p.x());
03164 }
03165
03166 dy /= 4;
03167
03168 if (dy)
03169 scrollLines(startPos().line() + dy);
03170
03171 if (columnScrollingPossible () && dx)
03172 scrollColumns(kMin (m_startX + dx, m_columnScroll->maxValue()));
03173
03174 if (!dy && !dx)
03175 stopDragScroll();
03176 }
03177
03178 void KateViewInternal::enableTextHints(int timeout)
03179 {
03180 m_textHintTimeout=timeout;
03181 m_textHintEnabled=true;
03182 m_textHintTimer.start(timeout);
03183 }
03184
03185 void KateViewInternal::disableTextHints()
03186 {
03187 m_textHintEnabled=false;
03188 m_textHintTimer.stop ();
03189 }
03190
03191 bool KateViewInternal::columnScrollingPossible ()
03192 {
03193 return !m_view->dynWordWrap() && m_columnScroll->isEnabled() && (m_columnScroll->maxValue() > 0);
03194 }
03195
03196
03197 void KateViewInternal::editStart()
03198 {
03199 editSessionNumber++;
03200
03201 if (editSessionNumber > 1)
03202 return;
03203
03204 editIsRunning = true;
03205 editOldCursor = cursor;
03206 }
03207
03208 void KateViewInternal::editEnd(int editTagLineStart, int editTagLineEnd, bool tagFrom)
03209 {
03210 if (editSessionNumber == 0)
03211 return;
03212
03213 editSessionNumber--;
03214
03215 if (editSessionNumber > 0)
03216 return;
03217
03218 if (tagFrom && (editTagLineStart <= int(m_doc->getRealLine(startLine()))))
03219 tagAll();
03220 else
03221 tagLines (editTagLineStart, tagFrom ? m_doc->lastLine() : editTagLineEnd, true);
03222
03223 if (editOldCursor == cursor)
03224 updateBracketMarks();
03225
03226 if (m_imPreeditLength <= 0)
03227 updateView(true);
03228
03229 if ((editOldCursor != cursor) && (m_imPreeditLength <= 0))
03230 {
03231 m_madeVisible = false;
03232 updateCursor ( cursor, true );
03233 }
03234 else if ( m_view->isActive() )
03235 {
03236 makeVisible(displayCursor, displayCursor.col());
03237 }
03238
03239 editIsRunning = false;
03240 }
03241
03242 void KateViewInternal::editSetCursor (const KateTextCursor &cursor)
03243 {
03244 if (this->cursor != cursor)
03245 {
03246 this->cursor.setPos (cursor);
03247 }
03248 }
03249
03250
03251 void KateViewInternal::viewSelectionChanged ()
03252 {
03253 if (!m_view->hasSelection())
03254 selectAnchor.setPos (-1, -1);
03255 }
03256
03257
03258 void KateViewInternal::imStartEvent( QIMEvent *e )
03259 {
03260 if ( m_doc->m_bReadOnly ) {
03261 e->ignore();
03262 return;
03263 }
03264
03265 if ( m_view->hasSelection() )
03266 m_view->removeSelectedText();
03267
03268 m_imPreeditStartLine = cursor.line();
03269 m_imPreeditStart = cursor.col();
03270 m_imPreeditLength = 0;
03271 m_imPreeditSelStart = m_imPreeditStart;
03272
03273 m_view->setIMSelectionValue( m_imPreeditStartLine, m_imPreeditStart, 0, 0, 0, true );
03274 }
03275
03276 void KateViewInternal::imComposeEvent( QIMEvent *e )
03277 {
03278 if ( m_doc->m_bReadOnly ) {
03279 e->ignore();
03280 return;
03281 }
03282
03283
03284 if ( m_imPreeditLength > 0 ) {
03285 cursor.setPos( m_imPreeditStartLine, m_imPreeditStart );
03286 m_doc->removeText( m_imPreeditStartLine, m_imPreeditStart,
03287 m_imPreeditStartLine, m_imPreeditStart + m_imPreeditLength );
03288 }
03289
03290 m_imPreeditLength = e->text().length();
03291 m_imPreeditSelStart = m_imPreeditStart + e->cursorPos();
03292
03293
03294 m_view->setIMSelectionValue( m_imPreeditStartLine, m_imPreeditStart, m_imPreeditStart + m_imPreeditLength,
03295 m_imPreeditSelStart, m_imPreeditSelStart + e->selectionLength(),
03296 true );
03297
03298
03299 m_doc->insertText( m_imPreeditStartLine, m_imPreeditStart, e->text() );
03300
03301
03302
03303 cursor.setPos( m_imPreeditStartLine, m_imPreeditSelStart );
03304 updateCursor( cursor, true );
03305
03306 updateView( true );
03307 }
03308
03309 void KateViewInternal::imEndEvent( QIMEvent *e )
03310 {
03311 if ( m_doc->m_bReadOnly ) {
03312 e->ignore();
03313 return;
03314 }
03315
03316 if ( m_imPreeditLength > 0 ) {
03317 cursor.setPos( m_imPreeditStartLine, m_imPreeditStart );
03318 m_doc->removeText( m_imPreeditStartLine, m_imPreeditStart,
03319 m_imPreeditStartLine, m_imPreeditStart + m_imPreeditLength );
03320 }
03321
03322 m_view->setIMSelectionValue( m_imPreeditStartLine, m_imPreeditStart, 0, 0, 0, false );
03323
03324 if ( e->text().length() > 0 ) {
03325 m_doc->insertText( cursor.line(), cursor.col(), e->text() );
03326
03327 if ( !m_cursorTimer.isActive() && KApplication::cursorFlashTime() > 0 )
03328 m_cursorTimer.start ( KApplication::cursorFlashTime() / 2 );
03329
03330 updateView( true );
03331 updateCursor( cursor, true );
03332 }
03333
03334 m_imPreeditStart = 0;
03335 m_imPreeditLength = 0;
03336 m_imPreeditSelStart = 0;
03337 }
03338
03339
03340