diff options
| -rw-r--r-- | barchart.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/barchart.cpp b/barchart.cpp index 195b706..1aacfdb 100644 --- a/barchart.cpp +++ b/barchart.cpp @@ -37,7 +37,6 @@ BarChart::BarChart(QQuickItem *parent) setClip(true); setFlag(QQuickItem::ItemHasContents); //setAcceptedMouseButtons(Qt::LeftButton); - setAcceptHoverEvents(true); } BarChart::~BarChart() @@ -55,6 +54,7 @@ void BarChart::setValues(const arma::vec &values) m_originalIndices.resize(m_values.n_elem); m_currentIndices.resize(m_values.n_elem); + setAcceptHoverEvents(m_values.n_elem > 0); if (m_values.n_elem > 0) { m_scale.setDomain(m_values.min(), m_values.max()); m_colorScale.setExtents(m_values.min(), m_values.max()); @@ -105,6 +105,10 @@ void BarChart::brushItem(int item) m_brushedItem = item; emit itemBrushed(m_brushedItem); } else { + if (m_values.n_elem == 0 || item > m_values.n_elem - 1) { + return; + } + m_brushedItem = m_currentIndices[item]; emit itemBrushed(m_originalIndices[m_brushedItem]); } |