On Mon, 14 Jul 2025 17:39:50 GMT, Martin Fox <m...@openjdk.org> wrote:

> The Mac platform code sends a KeyEvent into the scene graph and if the event 
> is not consumed it gets sent on to the system menu. But ComboBox and Spinner 
> always consume the original event and fire a copy which the system menu 
> ignores.
> 
> In the past the platform code sent key events to the system menu even if the 
> scene graph consumed them. This caused various bugs and was fixed in PR #1528 
> leading to this issue.
> 
> One could argue that a ComboBox or Spinner shouldn’t consume all key events 
> but one could also argue that the system menu shouldn’t behave so differently 
> from a standard MenuBar which will respond to any KeyEvent that reaches the 
> top-level Scene no matter where it came from.
> 
> This PR installs an event dispatcher which forwards KEY_PRESSED events on to 
> the platform so any event bubbling through the dispatch chain can trigger the 
> system menu. The dispatcher is placed by the top-level (non-popup) Window 
> such that it’s the last dispatcher encountered while bubbling.
> 
> In this PR once the key event reaches the GlassSystemMenu it passes the 
> JavaFX key code and modifiers into the Mac platform code. This isn’t enough 
> information to construct an NSEvent to pass to the main menu. Instead the 
> code uses the code and modifiers to verify that the originating key down 
> NSEvent (which it retained) should be sent on to NSApp.mainMenu.
> 
> (There are other ways this could work. GlassSystemMenu could take the 
> KeyEvent and perform its own accelerator matching entirely inside Java. This 
> would match the way the standard MenuBar finds accelerators instead of using 
> Apple’s matching algorithm. This PR is the more conservative approach, 
> basically just shifting the timing of system menu matching without changing 
> how it’s done.)

modules/javafx.graphics/src/main/java/com/sun/glass/ui/delegate/MenuBarDelegate.java
 line 35:

> 33:     public long getNativeMenu();
> 34:     // Returns true if the key event was processed
> 35:     default public boolean handleKeyEvent(int code, int modifiers) {

This should be `public default` or just `default` as everything is always 
public in an interface anyway.

modules/javafx.graphics/src/main/java/javafx/stage/PopupWindow.java line 904:

> 902:                                          new 
> WindowCloseRequestHandler(this),
> 903:                                          new EventHandlerManager(this));
> 904: 

You should remove this unrelated change.

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

PR Review Comment: https://git.openjdk.org/jfx/pull/1848#discussion_r2205626389
PR Review Comment: https://git.openjdk.org/jfx/pull/1848#discussion_r2205622373

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