mirror of https://github.com/JFormDesigner/FlatLaf.git synced 2025-12-07 22:40:53 +03:00

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lkrieger-oashi 8cfe1ca597 changed: when the mouse wheel event is not in the viewport, propagate the event to the nearest parent

Scenario: A JTabbedPane inside a JScrollPane
Expectation: Moving the mouse wheel inside the TabbedPane's content should cause the outer ScrollPane to scroll
Actual: Event dispatcher targets TabbedPane, but the TabbedPane's mouse listener does nothing because the event is not in the viewport. The only other target is the ancestor (Window), which discards the event.
Fix: If the event does not occur in the viewport, delegate it up in the hierarchy to the nearest parent with a MouseWheelListener

2025-08-20 10:17:01 +02:00