| 41 | } |
| 42 | |
| 43 | void ScopyCodeEditor::lineNumberAreaPaintEvent(QPaintEvent *event) |
| 44 | { |
| 45 | QPainter painter(lineNumberArea); |
| 46 | painter.fillRect(event->rect(), Qt::lightGray); |
| 47 | QTextBlock block = firstVisibleBlock(); |
| 48 | int blockNumber = block.blockNumber(); |
| 49 | int top = qRound(blockBoundingGeometry(block).translated(contentOffset()).top()); |
| 50 | int bottom = top + qRound(blockBoundingRect(block).height()); |
| 51 | while(block.isValid() && top <= event->rect().bottom()) { |
| 52 | if(block.isVisible() && bottom >= event->rect().top()) { |
| 53 | QString number = QString::number(blockNumber + 1); |
| 54 | painter.setPen(Qt::black); |
| 55 | painter.drawText(0, top, lineNumberArea->width(), fontMetrics().height(), Qt::AlignRight, |
| 56 | number); |
| 57 | } |
| 58 | |
| 59 | block = block.next(); |
| 60 | top = bottom; |
| 61 | bottom = top + qRound(blockBoundingRect(block).height()); |
| 62 | ++blockNumber; |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | int ScopyCodeEditor::lineNumberAreaWidth() |
| 67 | { |