diff options
| -rw-r--r-- | barchart.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/barchart.cpp b/barchart.cpp index 1aacfdb..70c6004 100644 --- a/barchart.cpp +++ b/barchart.cpp @@ -354,12 +354,19 @@ void BarChart::hoverLeaveEvent(QHoverEvent *event) void BarChart::mousePressEvent(QMouseEvent *event) { - QCursor dragCursor(Qt::SizeHorCursor); - setCursor(dragCursor); + if (event->button() == Qt::RightButton) { + m_dragStartPos = -1.0f; + m_dragLastPos = -1.0f; + m_selection.assign(m_selection.size(), false); + emit selectionInteractivelyChanged(m_selection); + } else { + QCursor dragCursor(Qt::SizeHorCursor); + setCursor(dragCursor); - float pos = float(event->pos().x()) / width(); - m_dragStartPos = pos; - m_dragLastPos = pos; + float pos = float(event->pos().x()) / width(); + m_dragStartPos = pos; + m_dragLastPos = pos; + } m_shouldUpdateSelectionRect = true; update(); @@ -367,6 +374,10 @@ void BarChart::mousePressEvent(QMouseEvent *event) void BarChart::mouseMoveEvent(QMouseEvent *event) { + if (m_dragStartPos < 0.0f) { + return; + } + float pos = float(event->pos().x()) / width(); m_dragLastPos = clamp(pos, 0.0f, 1.0f); @@ -376,6 +387,10 @@ void BarChart::mouseMoveEvent(QMouseEvent *event) void BarChart::mouseReleaseEvent(QMouseEvent *event) { + if (m_dragStartPos < 0.0f) { + return; + } + unsetCursor(); float pos = float(event->pos().x()) / width(); |