TableHandle PageItem_Table::hitTest(const QPointF& point, double threshold) const
{
const QPointF framePoint = getTransform().inverted().map(point);
const QPointF gridPoint = framePoint - gridOffset();
const QRectF gridRect = QRectF(0.0, 0.0, tableWidth(), tableHeight());
// Test if hit is outside frame.
if (!QRectF(0.0, 0.0, width(), height()).contains(framePoint))
return TableHandle(TableHandle::None);
// Test if hit is outside table.
if (!gridRect.adjusted(-threshold, -threshold, threshold, threshold).contains(gridPoint))
return TableHandle(TableHandle::None);
const double tableHeight = this->tableHeight();
const double tableWidth = this->tableWidth();
const double x = gridPoint.x();
const double y = gridPoint.y();
// Test if hit is on left edge of table.
if (x <= threshold)
return TableHandle(TableHandle::RowSelect);
// Test if hit is on top edge of table.
if (y <= threshold)
return TableHandle(TableHandle::ColumnSelect);
// Test if hit is on bottom right corner of table.
if (x >= tableWidth - threshold && y >= tableHeight - threshold)
return TableHandle(TableHandle::TableResize);
// Test if hit is on right edge of table.
if (y >= tableHeight - threshold && y <= tableHeight + threshold)
return TableHandle(TableHandle::RowResize, rows() - 1);
// Test if hit is on bottom edge of table.
if (x >= tableWidth - threshold && x <= tableWidth + threshold)
return TableHandle(TableHandle::ColumnResize, columns() - 1);
const TableCell hitCell = cellAt(point);
const QRectF hitRect = hitCell.boundingRect();
// Test if hit is on cell interior.
if (hitRect.adjusted(threshold, threshold, -threshold, -threshold).contains(gridPoint))
return TableHandle(TableHandle::CellSelect); // Hit interior of cell.
const double toLeft = x - hitRect.left();
const double toRight = hitRect.right() - x;
const double toTop = y - hitRect.top();
const double toBottom = hitRect.bottom() - y;
TableHandle handle(TableHandle::None);
// Test which side of the cell was hit.
if (qMin(toLeft, toRight) < qMin(toTop, toBottom))
{
handle.setType(TableHandle::ColumnResize);
handle.setIndex((toLeft < toRight ? hitCell.column() : hitCell.column() + hitCell.columnSpan()) - 1);
}
else
{
handle.setType(TableHandle::RowResize);
handle.setIndex((toTop < toBottom ? hitCell.row() : hitCell.row() + hitCell.rowSpan()) - 1);
}
return handle;
}
