the QColorDialog not shows the selected color border on mac

[Princein]

Hi:
I developed a cross-platform qt app which works on both mac and windows, in my app, I want to get a color from my mac, so I use QColorDialog,when I selected a color on mac,the QColorDialog doesn't show the selected color border,but on windows ,the QColorDialog shows the selected color borde.
I don't why,how let the QColorDialog shows the selected color border on mac? thanks a lot!
Here is the picture on mac and windows:
mac:

the QColorDialog not shows the selected color border on mac.

windows:

but on windows,the QColorDialog shows the selected color border!

[jsulm]

@Princein What border do you mean?

[Princein]

sorry, I updated a wrong picture,here is the newer and right picture for windows platform :

[SGaist]

Hi,

Are you using the native dialog ? If so then there's nothing Qt can do as it is the OS who handles the dialog.

Not all OSs provide the same interaction for the same feature.