On Mon, 14 Jul 2025 17:39:50 GMT, Martin Fox <[email protected]> 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
