[Interest] adapting a QMenu's width in a QStyle?

[Sergio Martins]

On Tuesday, 7 June 2016 19:27:18 WEST René J.V. Bertin wrote:
> Hi,
> 
> I'm modifying a QStyle so that it uses the Unicode "check mark" glyph for
> checked menu items, because that I think should give a nice visual unity
> between the item text and the mark, both in style and in size (= when users
> select a really large font).
> 
> The problem is that when I make horizontal space for the tick at large font
> sizes (say 32pt), the menu becomes too narrow. From what I understand,
> QStyle::drawPrimitive is called with PE_PanelMenu when the (popup) menu
> backdrop is to be drawn.
> 
> What I'm not getting around is the fact that there appears to be some
> higher-priority clipping that prevents me from extending the right border.
> This also applies to the item text itself; it is clipped even if I give it
> an amply wide bounding rectangle.

How are you setting this bounding rectangle ?

Have you tried reimplementing QStyle::sizeFromContents() and handling 
QStyle::CT_Menu ?

Regards,
Sérgio Martins