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00022 #include "katerenderer.h"
00023
00024 #include "katelinerange.h"
00025 #include "katedocument.h"
00026 #include "katearbitraryhighlight.h"
00027 #include "kateconfig.h"
00028 #include "katehighlight.h"
00029 #include "katefactory.h"
00030 #include "kateview.h"
00031
00032 #include <kdebug.h>
00033
00034 #include <qpainter.h>
00035 #include <qpopupmenu.h>
00036
00037 static const QChar tabChar('\t');
00038 static const QChar spaceChar(' ');
00039
00040 KateRenderer::KateRenderer(KateDocument* doc, KateView *view)
00041 : m_doc(doc), m_view (view), m_caretStyle(KateRenderer::Insert)
00042 , m_drawCaret(true)
00043 , m_showSelections(true)
00044 , m_showTabs(true)
00045 , m_printerFriendly(false)
00046 {
00047 KateFactory::self()->registerRenderer ( this );
00048 m_config = new KateRendererConfig (this);
00049
00050 m_tabWidth = m_doc->config()->tabWidth();
00051
00052 updateAttributes ();
00053 }
00054
00055 KateRenderer::~KateRenderer()
00056 {
00057 delete m_config;
00058 KateFactory::self()->deregisterRenderer ( this );
00059 }
00060
00061 void KateRenderer::updateAttributes ()
00062 {
00063 m_schema = config()->schema ();
00064 m_attributes = m_doc->highlight()->attributes (m_schema);
00065 }
00066
00067 KateAttribute* KateRenderer::attribute(uint pos)
00068 {
00069 if (pos < m_attributes->size())
00070 return &m_attributes->at(pos);
00071
00072 return &m_attributes->at(0);
00073 }
00074
00075 void KateRenderer::setDrawCaret(bool drawCaret)
00076 {
00077 m_drawCaret = drawCaret;
00078 }
00079
00080 void KateRenderer::setCaretStyle(KateRenderer::caretStyles style)
00081 {
00082 m_caretStyle = style;
00083 }
00084
00085 void KateRenderer::setShowTabs(bool showTabs)
00086 {
00087 m_showTabs = showTabs;
00088 }
00089
00090 void KateRenderer::setTabWidth(int tabWidth)
00091 {
00092 m_tabWidth = tabWidth;
00093 }
00094
00095 void KateRenderer::setShowSelections(bool showSelections)
00096 {
00097 m_showSelections = showSelections;
00098 }
00099
00100 void KateRenderer::increaseFontSizes()
00101 {
00102 QFont f ( *config()->font () );
00103 f.setPointSize (f.pointSize ()+1);
00104
00105 config()->setFont (f);
00106 }
00107
00108 void KateRenderer::decreaseFontSizes()
00109 {
00110 QFont f ( *config()->font () );
00111
00112 if ((f.pointSize ()-1) > 0)
00113 f.setPointSize (f.pointSize ()-1);
00114
00115 config()->setFont (f);
00116 }
00117
00118 bool KateRenderer::isPrinterFriendly() const
00119 {
00120 return m_printerFriendly;
00121 }
00122
00123 void KateRenderer::setPrinterFriendly(bool printerFriendly)
00124 {
00125 m_printerFriendly = printerFriendly;
00126 setShowTabs(false);
00127 setShowSelections(false);
00128 setDrawCaret(false);
00129 }
00130
00131 bool KateRenderer::paintTextLineBackground(QPainter& paint, int line, bool isCurrentLine, int xStart, int xEnd)
00132 {
00133 if (isPrinterFriendly())
00134 return false;
00135
00136
00137 KateFontStruct *fs = config()->fontStruct();
00138
00139
00140 QColor backgroundColor( config()->backgroundColor() );
00141
00142 bool selectionPainted = false;
00143 if (showSelections() && m_doc->lineSelected(line))
00144 {
00145 backgroundColor = config()->selectionColor();
00146 selectionPainted = true;
00147 }
00148 else
00149 {
00150
00151 if (isCurrentLine)
00152 backgroundColor = config()->highlightedLineColor();
00153
00154
00155 int markRed = 0, markGreen = 0, markBlue = 0, markCount = 0;
00156
00157
00158 uint mrk = m_doc->mark( line );
00159 if (mrk)
00160 {
00161 for (uint bit = 0; bit < 32; bit++)
00162 {
00163 KTextEditor::MarkInterface::MarkTypes markType = (KTextEditor::MarkInterface::MarkTypes)(1<<bit);
00164 if (mrk & markType)
00165 {
00166 QColor markColor = config()->lineMarkerColor(markType);
00167
00168 if (markColor.isValid()) {
00169 markCount++;
00170 markRed += markColor.red();
00171 markGreen += markColor.green();
00172 markBlue += markColor.blue();
00173 }
00174 }
00175 }
00176 }
00177
00178 if (markCount) {
00179 markRed /= markCount;
00180 markGreen /= markCount;
00181 markBlue /= markCount;
00182 backgroundColor.setRgb(
00183 int((backgroundColor.red() * 0.9) + (markRed * 0.1)),
00184 int((backgroundColor.green() * 0.9) + (markGreen * 0.1)),
00185 int((backgroundColor.blue() * 0.9) + (markBlue * 0.1))
00186 );
00187 }
00188 }
00189
00190
00191 paint.fillRect(0, 0, xEnd - xStart, fs->fontHeight, backgroundColor);
00192
00193 return selectionPainted;
00194 }
00195
00196 void KateRenderer::paintWhitespaceMarker(QPainter &paint, uint x, uint y)
00197 {
00198 QPen penBackup( paint.pen() );
00199 paint.setPen( config()->tabMarkerColor() );
00200 paint.drawPoint(x, y);
00201 paint.drawPoint(x + 1, y);
00202 paint.drawPoint(x, y - 1);
00203 paint.setPen( penBackup );
00204 }
00205
00206 void KateRenderer::paintTextLine(QPainter& paint, const KateLineRange* range, int xStart, int xEnd, const KateTextCursor* cursor, const KateTextRange* bracketmark)
00207 {
00208 int line = range->line;
00209
00210
00211 KateTextLine::Ptr textLine = m_doc->kateTextLine(line);
00212 if (!textLine)
00213 return;
00214
00215 bool showCursor = drawCaret() && cursor && range->includesCursor(*cursor);
00216
00217 KateSuperRangeList& superRanges = m_doc->arbitraryHL()->rangesIncluding(range->line, 0);
00218
00219
00220
00221
00222 KateArbitraryHighlightRange* bracketStartRange (0L);
00223 KateArbitraryHighlightRange* bracketEndRange (0L);
00224 if (bracketmark && bracketmark->isValid()) {
00225 if (range->includesCursor(bracketmark->start())) {
00226 KateTextCursor startend = bracketmark->start();
00227 startend.setCol(startend.col()+1);
00228 bracketStartRange = new KateArbitraryHighlightRange(m_doc, bracketmark->start(), startend);
00229 bracketStartRange->setBGColor(config()->highlightedBracketColor());
00230 bracketStartRange->setBold(true);
00231 superRanges.append(bracketStartRange);
00232 }
00233
00234 if (range->includesCursor(bracketmark->end())) {
00235 KateTextCursor endend = bracketmark->end();
00236 endend.setCol(endend.col()+1);
00237 bracketEndRange = new KateArbitraryHighlightRange(m_doc, bracketmark->end(), endend);
00238 bracketEndRange->setBGColor(config()->highlightedBracketColor());
00239 bracketEndRange->setBold(true);
00240 superRanges.append(bracketEndRange);
00241 }
00242 }
00243
00244
00245 uint len = textLine->length();
00246 uint oldLen = len;
00247
00248
00249 bool cursorVisible = false;
00250 int cursorMaxWidth = 0;
00251
00252
00253 KateFontStruct * fs = config()->fontStruct();
00254
00255
00256
00257 bool hasSel = false;
00258 uint startSel = 0;
00259 uint endSel = 0;
00260
00261
00262 bool selectionPainted = false;
00263 bool isCurrentLine = (cursor && range->includesCursor(*cursor));
00264 selectionPainted = paintTextLineBackground(paint, line, isCurrentLine, xStart, xEnd);
00265 if (selectionPainted)
00266 {
00267 hasSel = true;
00268 startSel = 0;
00269 endSel = len + 1;
00270 }
00271
00272 int startcol = range->startCol;
00273 if (startcol > (int)len)
00274 startcol = len;
00275
00276 if (startcol < 0)
00277 startcol = 0;
00278
00279 int endcol = range->wrap ? range->endCol : -1;
00280 if (endcol < 0)
00281 len = len - startcol;
00282 else
00283 len = endcol - startcol;
00284
00285
00286 KateAttribute* attr = m_doc->highlight()->attributes(m_schema)->data();
00287
00288 const QColor *cursorColor = &attr[0].textColor();
00289
00290
00291 KateTextCursor currentPos(line, startcol);
00292 superRanges.firstBoundary(¤tPos);
00293
00294 if (showSelections() && !selectionPainted)
00295 hasSel = getSelectionBounds(line, oldLen, startSel, endSel);
00296
00297
00298 if (range->startsInvisibleBlock) {
00299 paint.setPen(QPen(config()->wordWrapMarkerColor(), 1, Qt::DashLine));
00300 paint.drawLine(0, fs->fontHeight - 1, xEnd - xStart, fs->fontHeight - 1);
00301 }
00302
00303
00304 if (range->xOffset() && range->xOffset() > xStart)
00305 {
00306 paint.fillRect(0, 0, range->xOffset() - xStart, fs->fontHeight,
00307 QBrush(config()->wordWrapMarkerColor(), QBrush::DiagCrossPattern));
00308 }
00309
00310
00311 uint xPos = range->xOffset();
00312 int cursorXPos = 0;
00313
00314
00315 if (len < 1)
00316 {
00317 if (showCursor && (cursor->col() >= int(startcol)))
00318 {
00319 cursorVisible = true;
00320 cursorXPos = xPos + cursor->col() * fs->myFontMetrics.width(spaceChar);
00321 }
00322 }
00323 else
00324 {
00325 bool isIMSel = false;
00326 bool isIMEdit = false;
00327
00328 bool isSel = false;
00329
00330 KateAttribute customHL;
00331
00332 const QColor *curColor = 0;
00333 const QColor *oldColor = 0;
00334
00335 KateAttribute* oldAt = &attr[0];
00336
00337 uint oldXPos = xPos;
00338 uint xPosAfter = xPos;
00339
00340 KateAttribute currentHL;
00341
00342 uint blockStartCol = startcol;
00343 uint curCol = startcol;
00344 uint nextCol = curCol + 1;
00345
00346
00347 const uchar *textAttributes = textLine->attributes ();
00348 bool noAttribs = !textAttributes;
00349
00350
00351 textAttributes = textAttributes + startcol;
00352
00353 uint atLen = m_doc->highlight()->attributes(m_schema)->size();
00354
00355
00356
00357 uint trailingWhitespaceColumn = textLine->lastChar() + 1;
00358
00359 while (curCol - startcol < len)
00360 {
00361 QChar curChar = textLine->string()[curCol];
00362
00363
00364 bool isTab = curChar == tabChar;
00365
00366
00367
00368 KateAttribute* curAt = (noAttribs || ((*textAttributes) >= atLen)) ? &attr[0] : &attr[*textAttributes];
00369
00370
00371
00372 xPosAfter += curAt->width(*fs, curChar, m_tabWidth);
00373
00374
00375 if (isTab)
00376 xPosAfter -= (xPosAfter % curAt->width(*fs, curChar, m_tabWidth));
00377
00378
00379
00380 if ((int)xPosAfter >= xStart)
00381 {
00382
00383 isSel = (showSelections() && hasSel && (curCol >= startSel) && (curCol < endSel));
00384
00385
00386 isIMEdit = m_doc->isIMEdit( line, curCol );
00387
00388
00389 isIMSel = m_doc->isIMSelection( line, curCol );
00390
00391
00392 curColor = isSel ? &(curAt->selectedTextColor()) : &(curAt->textColor());
00393
00394
00395 if (curAt != oldAt || curColor != oldColor || (superRanges.count() && superRanges.currentBoundary() && *(superRanges.currentBoundary()) == currentPos)) {
00396 if (superRanges.count() && superRanges.currentBoundary() && *(superRanges.currentBoundary()) == currentPos)
00397 customHL = KateArbitraryHighlightRange::merge(superRanges.rangesIncluding(currentPos));
00398
00399 KateAttribute hl = customHL;
00400
00401 hl += *curAt;
00402
00403
00404 if (!hl.itemSet(KateAttribute::TextColor))
00405 hl.setTextColor(*curColor);
00406
00407 if (!isSel)
00408 paint.setPen(hl.textColor());
00409 else
00410 paint.setPen(hl.selectedTextColor());
00411
00412 paint.setFont(hl.font(*currentFont()));
00413
00414 if (superRanges.currentBoundary() && *(superRanges.currentBoundary()) == currentPos)
00415 superRanges.nextBoundary();
00416
00417 currentHL = hl;
00418 }
00419
00420
00421
00422
00423
00424
00425 bool renderNow = false;
00426 if ((isTab)
00427
00428 || (superRanges.count() && superRanges.currentBoundary() && *(superRanges.currentBoundary()) == KateTextCursor(line, nextCol))
00429
00430
00431 || (curCol >= len - 1)
00432
00433
00434 || (curCol + 1 >= trailingWhitespaceColumn)
00435
00436
00437 || ((int)xPos > xEnd)
00438
00439
00440 || (!noAttribs && curAt != &attr[*(textAttributes+1)])
00441
00442
00443 || (isSel != (hasSel && (nextCol >= startSel) && (nextCol < endSel)))
00444
00445
00446
00447 || (textLine->string()[nextCol] == tabChar)
00448
00449
00450 || ( isIMEdit != m_doc->isIMEdit( line, nextCol ) )
00451
00452
00453 || ( isIMSel != m_doc->isIMSelection( line, nextCol ) )
00454 )
00455 {
00456 renderNow = true;
00457 }
00458
00459 if (renderNow)
00460 {
00461 if (!isPrinterFriendly())
00462 {
00463 bool paintBackground = true;
00464 uint width = xPosAfter - oldXPos;
00465 QColor fillColor;
00466
00467 if (isIMSel && !isTab)
00468 {
00469
00470 fillColor = m_view->colorGroup().color(QColorGroup::Foreground);
00471 }
00472 else if (isIMEdit && !isTab)
00473 {
00474
00475
00476 const QColorGroup& cg = m_view->colorGroup();
00477 int h1, s1, v1, h2, s2, v2;
00478 cg.color( QColorGroup::Base ).hsv( &h1, &s1, &v1 );
00479 cg.color( QColorGroup::Background ).hsv( &h2, &s2, &v2 );
00480 fillColor.setHsv( h1, s1, ( v1 + v2 ) / 2 );
00481 }
00482 else if (!selectionPainted && (isSel || currentHL.itemSet(KateAttribute::BGColor)))
00483 {
00484 if (isSel)
00485 {
00486 fillColor = config()->selectionColor();
00487
00488
00489
00490 if ((curCol >= len - 1) && m_doc->lineEndSelected (line, endcol))
00491 width = xEnd - oldXPos;
00492 }
00493 else
00494 {
00495 fillColor = currentHL.bgColor();
00496 }
00497 }
00498 else
00499 {
00500 paintBackground = false;
00501 }
00502
00503 if (paintBackground)
00504 paint.fillRect(oldXPos - xStart, 0, width, fs->fontHeight, fillColor);
00505
00506 if (isIMSel && paintBackground && !isTab)
00507 {
00508 paint.save();
00509 paint.setPen( m_view->colorGroup().color( QColorGroup::BrightText ) );
00510 }
00511 }
00512
00513
00514 int y = fs->fontAscent;
00515
00516
00517
00518 if (isTab || (curCol >= trailingWhitespaceColumn))
00519 {
00520
00521 static QString spaces;
00522 if (int(spaces.length()) != m_tabWidth)
00523 spaces.fill(' ', m_tabWidth);
00524
00525 paint.drawText(oldXPos-xStart, y, isTab ? spaces : QString(" "));
00526
00527 if (showTabs())
00528 paintWhitespaceMarker(paint, xPos - xStart, y);
00529
00530
00531 blockStartCol = nextCol;
00532 oldXPos = xPosAfter;
00533 }
00534 else
00535 {
00536
00537 paint.drawText(oldXPos-xStart, y, textLine->string(), blockStartCol, nextCol-blockStartCol);
00538
00539
00540 if (isIMEdit) {
00541 QRect r( oldXPos - xStart, 0, xPosAfter - oldXPos, fs->fontHeight );
00542 paint.drawLine( r.bottomLeft(), r.bottomRight() );
00543 }
00544
00545
00546 if (isIMSel) paint.restore();
00547
00548
00549 if ((int)xPos > xEnd)
00550 break;
00551
00552
00553 blockStartCol = nextCol;
00554 oldXPos = xPosAfter;
00555
00556 }
00557 }
00558
00559
00560 if (showCursor && (cursor->col() == int(curCol)))
00561 {
00562 cursorVisible = true;
00563 cursorXPos = xPos;
00564 cursorMaxWidth = xPosAfter - xPos;
00565 cursorColor = &curAt->textColor();
00566 }
00567 }
00568 else
00569 {
00570
00571 blockStartCol = nextCol;
00572 oldXPos = xPosAfter;
00573 }
00574
00575
00576 xPos = xPosAfter;
00577
00578
00579 textAttributes++;
00580
00581
00582 oldAt = curAt;
00583 oldColor = curColor;
00584
00585
00586 curCol++;
00587 nextCol++;
00588 currentPos.setCol(currentPos.col() + 1);
00589 }
00590
00591
00592 if (showCursor && (cursor->col() >= int(curCol)))
00593 {
00594 cursorVisible = true;
00595 cursorXPos = xPos + (cursor->col() - int(curCol)) * fs->myFontMetrics.width(spaceChar);
00596 cursorMaxWidth = xPosAfter - xPos;
00597 cursorColor = &oldAt->textColor();
00598 }
00599 }
00600
00601
00602 if (cursorVisible)
00603 {
00604 uint cursorWidth = (caretStyle() == Replace && (cursorMaxWidth > 2)) ? cursorMaxWidth : 2;
00605 paint.fillRect(cursorXPos-xStart, 0, cursorWidth, fs->fontHeight, *cursorColor);
00606 }
00607
00608
00609 if (!isPrinterFriendly() && config()->wordWrapMarker() && fs->fixedPitch())
00610 {
00611 paint.setPen( config()->wordWrapMarkerColor() );
00612 int _x = m_doc->config()->wordWrapAt() * fs->myFontMetrics.width('x') - xStart;
00613 paint.drawLine( _x,0,_x,fs->fontHeight );
00614 }
00615
00616
00617 delete bracketStartRange;
00618 delete bracketEndRange;
00619 }
00620
00621 uint KateRenderer::textWidth(const KateTextLine::Ptr &textLine, int cursorCol)
00622 {
00623 if (!textLine)
00624 return 0;
00625
00626 int len = textLine->length();
00627
00628 if (cursorCol < 0)
00629 cursorCol = len;
00630
00631 KateFontStruct *fs = config()->fontStruct();
00632
00633 int x = 0;
00634 int width;
00635 for (int z = 0; z < cursorCol; z++) {
00636 KateAttribute* a = attribute(textLine->attribute(z));
00637
00638 if (z < len) {
00639 width = a->width(*fs, textLine->string(), z, m_tabWidth);
00640 } else {
00641
00642
00643 width = a->width(*fs, spaceChar, m_tabWidth);
00644 }
00645
00646 x += width;
00647
00648 if (textLine->getChar(z) == tabChar)
00649 x -= x % width;
00650 }
00651
00652 return x;
00653 }
00654
00655 uint KateRenderer::textWidth(const KateTextLine::Ptr &textLine, uint startcol, uint maxwidth, bool *needWrap, int *endX)
00656 {
00657 KateFontStruct *fs = config()->fontStruct();
00658 uint x = 0;
00659 uint endcol = startcol;
00660 int endX2 = 0;
00661 int lastWhiteSpace = -1;
00662 int lastWhiteSpaceX = -1;
00663
00664
00665
00666 bool foundNonWhitespace = startcol != 0;
00667 bool foundWhitespaceAfterNonWhitespace = startcol != 0;
00668
00669 *needWrap = false;
00670
00671 uint z = startcol;
00672 for (; z < textLine->length(); z++)
00673 {
00674 KateAttribute* a = attribute(textLine->attribute(z));
00675 int width = a->width(*fs, textLine->string(), z, m_tabWidth);
00676 Q_ASSERT(width);
00677 x += width;
00678
00679 if (textLine->getChar(z).isSpace())
00680 {
00681 lastWhiteSpace = z+1;
00682 lastWhiteSpaceX = x;
00683
00684 if (foundNonWhitespace)
00685 foundWhitespaceAfterNonWhitespace = true;
00686 }
00687 else
00688 {
00689 if (!foundWhitespaceAfterNonWhitespace) {
00690 foundNonWhitespace = true;
00691
00692 lastWhiteSpace = z+1;
00693 lastWhiteSpaceX = x;
00694 }
00695 }
00696
00697
00698
00699 if (textLine->getChar(z) == tabChar)
00700 x -= x % width;
00701
00702 if (x <= maxwidth)
00703 {
00704 if (lastWhiteSpace > -1)
00705 {
00706 endcol = lastWhiteSpace;
00707 endX2 = lastWhiteSpaceX;
00708 }
00709 else
00710 {
00711 endcol = z+1;
00712 endX2 = x;
00713 }
00714 }
00715 else if (z == startcol)
00716 {
00717
00718
00719 endcol = z+1;
00720 endX2 = x;
00721 }
00722
00723 if (x >= maxwidth)
00724 {
00725 *needWrap = true;
00726 break;
00727 }
00728 }
00729
00730 if (*needWrap)
00731 {
00732 if (endX)
00733 *endX = endX2;
00734
00735 return endcol;
00736 }
00737 else
00738 {
00739 if (endX)
00740 *endX = x;
00741
00742 return z+1;
00743 }
00744 }
00745
00746 uint KateRenderer::textWidth(const KateTextCursor &cursor)
00747 {
00748 int line = QMIN(QMAX(0, cursor.line()), (int)m_doc->numLines() - 1);
00749 int col = QMAX(0, cursor.col());
00750
00751 return textWidth(m_doc->kateTextLine(line), col);
00752 }
00753
00754 uint KateRenderer::textWidth( KateTextCursor &cursor, int xPos, uint startCol)
00755 {
00756 bool wrapCursor = m_doc->wrapCursor();
00757 int len;
00758 int x, oldX;
00759
00760 KateFontStruct *fs = config()->fontStruct();
00761
00762 if (cursor.line() < 0) cursor.setLine(0);
00763 if (cursor.line() > (int)m_doc->lastLine()) cursor.setLine(m_doc->lastLine());
00764 KateTextLine::Ptr textLine = m_doc->kateTextLine(cursor.line());
00765
00766 if (!textLine) return 0;
00767
00768 len = textLine->length();
00769
00770 x = oldX = 0;
00771 int z = startCol;
00772 while (x < xPos && (!wrapCursor || z < len)) {
00773 oldX = x;
00774
00775 KateAttribute* a = attribute(textLine->attribute(z));
00776
00777 int width = 0;
00778
00779 if (z < len)
00780 width = a->width(*fs, textLine->string(), z, m_tabWidth);
00781 else
00782 width = a->width(*fs, spaceChar, m_tabWidth);
00783
00784 x += width;
00785
00786 if (textLine->getChar(z) == tabChar)
00787 x -= x % width;
00788
00789 z++;
00790 }
00791 if (xPos - oldX < x - xPos && z > 0) {
00792 z--;
00793 x = oldX;
00794 }
00795 cursor.setCol(z);
00796 return x;
00797 }
00798
00799 const QFont *KateRenderer::currentFont()
00800 {
00801 return config()->font();
00802 }
00803
00804 const QFontMetrics* KateRenderer::currentFontMetrics()
00805 {
00806 return config()->fontMetrics();
00807 }
00808
00809 uint KateRenderer::textPos(uint line, int xPos, uint startCol, bool nearest)
00810 {
00811 return textPos(m_doc->kateTextLine(line), xPos, startCol, nearest);
00812 }
00813
00814 uint KateRenderer::textPos(const KateTextLine::Ptr &textLine, int xPos, uint startCol, bool nearest)
00815 {
00816 Q_ASSERT(textLine);
00817 if (!textLine)
00818 return 0;
00819
00820 KateFontStruct *fs = config()->fontStruct();
00821
00822 int x, oldX;
00823 x = oldX = 0;
00824
00825 uint z = startCol;
00826 uint len= textLine->length();
00827 while ( (x < xPos) && (z < len)) {
00828 oldX = x;
00829
00830 KateAttribute* a = attribute(textLine->attribute(z));
00831 x += a->width(*fs, textLine->string(), z, m_tabWidth);
00832
00833 z++;
00834 }
00835 if ( ( (! nearest) || xPos - oldX < x - xPos ) && z > 0 ) {
00836 z--;
00837
00838 }
00839 return z;
00840 }
00841
00842 uint KateRenderer::fontHeight()
00843 {
00844 return config()->fontStruct ()->fontHeight;
00845 }
00846
00847 uint KateRenderer::documentHeight()
00848 {
00849 return m_doc->numLines() * fontHeight();
00850 }
00851
00852 bool KateRenderer::getSelectionBounds(uint line, uint lineLength, uint &start, uint &end)
00853 {
00854 bool hasSel = false;
00855
00856 if (m_doc->hasSelection() && !m_doc->blockSelect)
00857 {
00858 if (m_doc->lineIsSelection(line))
00859 {
00860 start = m_doc->selectStart.col();
00861 end = m_doc->selectEnd.col();
00862 hasSel = true;
00863 }
00864 else if ((int)line == m_doc->selectStart.line())
00865 {
00866 start = m_doc->selectStart.col();
00867 end = lineLength;
00868 hasSel = true;
00869 }
00870 else if ((int)line == m_doc->selectEnd.line())
00871 {
00872 start = 0;
00873 end = m_doc->selectEnd.col();
00874 hasSel = true;
00875 }
00876 }
00877 else if (m_doc->lineHasSelected(line))
00878 {
00879 start = m_doc->selectStart.col();
00880 end = m_doc->selectEnd.col();
00881 hasSel = true;
00882 }
00883
00884 if (start > end) {
00885 int temp = end;
00886 end = start;
00887 start = temp;
00888 }
00889
00890 return hasSel;
00891 }
00892
00893 void KateRenderer::updateConfig ()
00894 {
00895
00896 updateAttributes ();
00897
00898 if (m_view)
00899 m_view->updateRendererConfig();
00900 }
00901
00902 uint KateRenderer::spaceWidth()
00903 {
00904 return attribute(0)->width(*config()->fontStruct(), spaceChar, m_tabWidth);
00905 }
00906
00907