Method mouseMoveEvent

qrenderdoc/Widgets/Extended/RDTreeView.cpp:222–289

}

void RDTreeView::mouseMoveEvent(QMouseEvent *e)
{
  QModelIndex oldHoverIndex = m_currentHoverIndex;

  if(m_CurrentTooltipElided && m_TooltipLabel->isVisible() &&
     !m_TooltipLabel->geometry().contains(QCursor::pos()))
    m_Tooltip->hideTip();

  m_currentHoverIndex = indexAt(e->pos());

  if(m_delegate->linkHover(e, font(), m_currentHoverIndex))
  {
    if(cursor().shape() != Qt::PointingHandCursor)
    {
      viewport()->update(visualRect(m_currentHoverIndex));
      setCursor(QCursor(Qt::PointingHandCursor));
    }
  }
  else if(cursor().shape() == Qt::PointingHandCursor)
  {
    viewport()->update(visualRect(m_currentHoverIndex));
    unsetCursor();
  }

  if(oldHoverIndex != m_currentHoverIndex)
  {
    if(m_instantTooltips)
    {
      m_Tooltip->hideTip();

      if(m_currentHoverIndex.isValid())
      {
        QString tooltip = m_currentHoverIndex.data(Qt::ToolTipRole).toString();

        if(!tooltip.isEmpty() || m_Tooltip->forceTip(this, m_currentHoverIndex))
        {
          // We don't use QToolTip since we have a custom tooltip for showing elided results, and we
          // use that for consistency. This also makes it easier to slot in a custom tooltip widget
          // externally.
          QPoint p = QCursor::pos();

          // estimate, as this is not easily queryable
          const QPoint cursorSize(16, 16);
          const QRect screenAvailGeom = QApplication::desktop()->availableGeometry(p);

          // start with the tooltip placed bottom-right of the cursor, as the default
          QRect tooltipRect;
          tooltipRect.setTopLeft(p + cursorSize);
          tooltipRect.setSize(m_Tooltip->configureTip(this, m_currentHoverIndex, tooltip));

          // clip by the available geometry in x
          if(tooltipRect.right() > screenAvailGeom.right())
            tooltipRect.moveRight(screenAvailGeom.right());

          // if we'd go out of bounds in y, place the tooltip above the cursor. Don't just clip like
          // in x, because that could place the tooltip over the cursor.
          if(tooltipRect.bottom() > screenAvailGeom.bottom())
            tooltipRect.moveBottom(p.y() - cursorSize.y());