OK, Thank you for the response. I think it's a design flaw. Background is
just a background. It should not determine anything.
I did not change any properties of the menu control except the background.
So I was expecting it to just become green. :)
On Thu, Oct 3, 2024 at 10:10 PM Doris Verria <doris.ver...@qt.io> wrote:
> Hi Alexander,
>
>
>
> The background will automatically follow the controls size. However, the
> control uses the implicit size of the background or the content size
> (whichever is bigger) to calculate its implicit size.
>
> So if the menu has no contentWidth/Height set and you don’t provide an
> implicit size for the background, the menu itself will have a 0x0 size. To
> avoid that, you should try either setting the *contentWidth* or give *an
> implicit size to the background*.
>
>
>
> Note that most styles set the contentItem of the Menu to be a ListView.
> According
> to the documentation, a vertical ListView only estimates the contentHeight,
> and a horizontal ListView only estimates the contentWidth, while the other
> dimension is set to -1, so it is up to the application to explicitly set
> these.
>
>
>
> Regards,
>
> Doris Verria
>
>
>
> *From: *Interest <interest-boun...@qt-project.org> on behalf of Alexander
> Dyagilev <alervd...@gmail.com>
> *Date: *Thursday, 3 October 2024 at 2:47 PM
> *To: *Qt Project <interest@qt-project.org>
> *Subject: *[Interest] Change Menu background
>
> Hello,
>
>
>
> I'm using Qt 6.6.3.
>
>
>
> I'm trying to customize menu.
>
>
>
> I've created the following component:
>
>
>
> Menu
> {
> background: Rectangle {
> color: "green"
> }
> }
>
>
>
> Now my menu just does not show up. I believe it's because its size is
> (0,0) now.
>
>
>
> Where am I wrong? In Qt docs it's stated, that background follows its
> parent's size.
>
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