On Wed, 8 Jan 2025 16:36:07 GMT, Dmitry Markov <dmar...@openjdk.org> wrote:
> On Windows debug build execution of `DrawFocusRect()` may cause an assertion > failure. In particular if a component, which is going to gain a focus, has > zero size, the function returns `0` because focus rectangle is empty. > > It is necessary to check that the focus rectangle is not empty before > `DrawFocusRect()` call. src/java.desktop/windows/native/libawt/windows/awt_Button.cpp line 245: > 243: VERIFY(::CopyRect(&focusRect, &rect)); > 244: VERIFY(::InflateRect(&focusRect,-inf,-inf)); > 245: if (!::IsRectEmpty(&focusRect) && (::DrawFocusRect(hDC, > &focusRect) == 0)) If the "focusRect" is empty why we cannot skip most of this method? ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/22973#discussion_r1913517707
