On Tue, 22 Apr 2025 12:01:56 GMT, Thiago Milczarek Sayao <[email protected]> wrote:
> This is a continuation to > [JDK-8236651](https://bugs.openjdk.org/browse/JDK-8236651) and it aims to > stabilize the linux glass gtk backend. > > This is a refactor of the Glass GTK implementation, primarily focused on > window size, positioning, and state management to resolve numerous issues. > > The main change is that GtkWindow (which is a GtkWidget) has been replaced > with a direct use of GdkWindow for windows. This makes sense because GTK > includes its own rendering pipeline, whereas JavaFX renders directly to the > underlying system window (such as the X11 window) via Prism ES2 using GL and > GLX. Most GTK window-related calls have equivalent GDK calls. Since GDK > serves as an abstraction over the system window and input events, it aligns > better with the purposes of Glass. Additionally, using GTK required various > workarounds to integrate with Glass, which are no longer necessary when using > GDK directly. > > It uses a simple C++ Observable to notify the Java side about changes. This > approach is more straightforward, as notifications occur at many points and > the previous implementation was becoming cluttered. > > Previously, there were three separate context classes, two of which were used > for Java Web Start and Applets. These have now been unified, as they are no > longer required. > > Many tests were added to ensure everything is working correctly. I noticed > that some tests produced different results depending on the StageStyle, so > they now use @ParameterizedTest to vary the StageStyle. > > A manual test is also provided. I did not use MonkeyTester for this, as it > was quicker to simply run and test manually:`java @build/run.args > tests/manual/stage/TestStage.java ` > > While this is focused on XWayland, everything works on pure Xorg as well. This pull request has been closed without being integrated. ------------- PR: https://git.openjdk.org/jfx/pull/1789
