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Merge PR #1030: TabbedPaneUI: When the mouse wheel event is not in the viewport, propagate the event to the nearest parent

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Karl Tauber
2025-11-29 23:25:50 +01:00
parent 8239cdd540 b9441050b2
commit 9fdaa827b5
2 changed files with 9 additions and 1 deletions
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7
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatTabbedPaneUI.java
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@@ -2718,8 +2718,13 @@ debug*/
// because this listener receives mouse events for the whole tabbed pane,
// we have to check whether the mouse is located over the viewport
if( !isInViewport( e.getX(), e.getY() ) )
if( !isInViewport( e.getX(), e.getY() ) ) {
// if it is not in the viewport, retarget the event to a parent container
// which might support scrolling (e.g. a surrounding ScrollPane)
Container parent = tabPane.getParent();
parent.dispatchEvent( SwingUtilities.convertMouseEvent( tabPane, e, parent ) );
return;
}
lastMouseX = e.getX();
lastMouseY = e.getY();