RFR: 8258979: The image didn't show correctly with GTK LAF

[Sergey Bylokhov]

On Mon, 8 Jan 2024 07:29:13 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

> The collapsed icon for JTree is not painted using `Icon.paintIcon(Component c, Graphics g, int x, int y)` in GTK LAF. The collapsed icon is returned from BasicTreeUI class which doesn't contain any icon image whereas the expanded icon is returned from SynthTreeUI class and expanded icon is rendered correctly.
> The proposed fix is to return collapsed icon as an object of collapsed icon wrapper which implements synthIcon and is similar to the expanded icon implementation.
> 
> Test mentioned in JBS is an applet based which is converted to main based now and extended for all installed LAFs on the system.
> 
> No regression caused with the fix, link is attached in JBS .

>    ⚠️ Failed to retrieve information on issue 8258979.

Looks like the bug is confidential/not public.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/17294#issuecomment-1880542458