Issue drawing custom QHeaderView sections

[qwasder85]

I'm having a issue with the drawing logic of my table headers.
I have the following table:

As you can see, I draw my header texts between columns. This is done by shifting the text's drawing rectangle to the left by half of the text's width.

// In my HeaderView's paintSection()-function:
QFontMetrics  fm = fontMetrics();
QString       text = model()->headerData(in_logical_index, Qt::Horizontal).toString();
int           text_size = fm.horizontalAdvance(text);
int           offset = in_logical_index == 0 ? 0 : text_size / 2; // Do not offset the first axis value
QRect         new_rect = QRect(in_rect.left() - offset, in_rect.top(), text_size, in_rect.height());
Qt::Alignment alignment = Qt::AlignVCenter;

in_p_painter->drawText(new_rect, alignment, text);

// Then add the last value

It works fine until I move the mouse onto one of the headers. This results in the adjacent section's text being drawn over partially by the header my cursor hovers over (as highlighted on the screenshot).
I know why this happens, but I can't think of a solution for it.
Maybe someone here has an idea on how to solve this problem?

[Chris Kawa]

The drawing area is clipped to the header section rectangle, so you just have to paint both numbers - the one for current section and the one for adjacent one.

[qwasder85]

@Chris-Kawa I tried that, it results in the second number being parted in the center where both rectangles meet.

Edit: Now that I think about it, I might be able to enlarge the drawing rectangle to span the gap. Thanks.