RFR: 8365635: Add MOUSE_DRAG_DONE event type

[Andy Goryachev]

On Sat, 16 Aug 2025 20:44:28 GMT, Nir Lisker <nlisker at openjdk.org> wrote:

> Adds `MOUSE_DRAG_DONE` event type to `MouseDragEvent` and appropriate handlers.

I must be doing something wrong - I don't see MouseDragEvent.MOUSE_DRAG_DONE, or in fact MouseDragEvent.ANY sent to the listeners, with this version of the monkey tester:

https://github.com/andy-goryachev-oracle/MonkeyTest/tree/mouse.drag.done

The test page in question is
https://github.com/andy-goryachev-oracle/MonkeyTest/blob/mouse.drag.done/src/com/oracle/tools/fx/monkey/pages/DnDPage.java

modules/javafx.graphics/src/main/java/javafx/scene/input/MouseDragEvent.java line 132:

> 130:     /// This event occurs when the gesture ends. It is delivered exactly once to the source node/scene, and is always the
> 131:     /// last event in the full press-drag-release process. It is delivered even when the mouse is outside the application.
> 132:     public static final EventType<MouseDragEvent> MOUSE_DRAG_DONE =

`@since 26` ?

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PR Review: https://git.openjdk.org/jfx/pull/1873#pullrequestreview-3170468613
PR Review Comment: https://git.openjdk.org/jfx/pull/1873#discussion_r2311446868