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Diffstat (limited to 'src/charts/axis/verticalaxis.cpp')
| -rw-r--r-- | src/charts/axis/verticalaxis.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/charts/axis/verticalaxis.cpp b/src/charts/axis/verticalaxis.cpp index f42b8e04..dfa1a3b0 100644 --- a/src/charts/axis/verticalaxis.cpp +++ b/src/charts/axis/verticalaxis.cpp @@ -96,6 +96,8 @@ void VerticalAxis::updateGeometry() QList<QGraphicsItem *> lines = gridItems(); QList<QGraphicsItem *> shades = shadeItems(); + QList<QGraphicsItem *> minorLines = minorGridItems(); + QList<QGraphicsItem *> minorArrows = minorArrowItems(); for (int i = 0; i < layout.size(); ++i) { //items @@ -296,6 +298,54 @@ void VerticalAxis::updateGeometry() tickItem->setVisible(true); } + // add minor ticks + QValueAxis *valueAxis = qobject_cast<QValueAxis *>(axis()); + if ((i + 1) != layout.size() && valueAxis) { + int minorTickCount = valueAxis->minorTickCount(); + if (minorTickCount != 0) { + qreal minorTickDistance = (layout[i] - layout[i + 1]) / qreal(minorTickCount + 1); + for (int j = 0; j < minorTickCount; j++) { + QGraphicsLineItem *minorGridItem = + static_cast<QGraphicsLineItem *>(minorLines.at(i * minorTickCount + j)); + QGraphicsLineItem *minorArrowItem = + static_cast<QGraphicsLineItem *>(minorArrows.at(i * minorTickCount + j)); + if (i == 0) { + minorGridItem->setLine(gridRect.left(), + gridRect.bottom() - minorTickDistance * qreal(j + 1), + gridRect.right(), + gridRect.bottom() - minorTickDistance * qreal(j + 1)); + } else { + minorGridItem->setLine(gridRect.left(), + gridItem->line().p1().y() + - minorTickDistance * qreal(j + 1), + gridRect.right(), + gridItem->line().p1().y() + - minorTickDistance * qreal(j + 1)); + } + if (axis()->alignment() == Qt::AlignLeft) { + minorArrowItem->setLine(gridRect.left() - labelPadding() / 2, + minorGridItem->line().p1().y(), + gridRect.left(), + minorGridItem->line().p1().y()); + } else if (axis()->alignment() == Qt::AlignRight){ + minorArrowItem->setLine(gridRect.right(), + minorGridItem->line().p1().y(), + gridRect.right() + labelPadding() / 2, + minorGridItem->line().p1().y()); + } + + // check if the minor grid line and the axis tick should be shown + qreal minorYPos = minorGridItem->line().p1().y(); + if (minorYPos < gridRect.top() || minorYPos > gridRect.bottom()) { + minorGridItem->setVisible(false); + minorArrowItem->setVisible(false); + } else { + minorGridItem->setVisible(true); + minorArrowItem->setVisible(true); + } + } + } + } } //begin/end grid line in case labels between if (intervalAxis()) { |