RFR: 8345538: Robot.mouseMove doesn't clamp bounds on macOS when trying to move mouse off screen [v3]

[Alexey Ivanov]

On Fri, 20 Dec 2024 20:42:05 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

>>> For me, the test _without the fix_ prints
>>> 
>>> ```
>>> Current mouse location: java.awt.Point[x=0,y=200]
>>> ```
>>> 
>>> The mouse cursor moves to 200, 200 and then to 0, 200 on the screen.
>> 
>> 
>> What platform ? Alisen did say in the description that Windows & Linux clamp which presumably is either something elsewhere in the JDK implementation, or just how the platform works. I looked (briefly) at Linux and we just pass the values to XWarpPointer so I assumed it was the platform ..
>
> In MouseInfo.getPointerInfo()
> The point is updated here [fillPointWithCoords()](https://github.com/openjdk/jdk/blob/7ba969a576eb92446e40587fecf98e1e4aba8883/src/java.desktop/share/classes/java/awt/MouseInfo.java#L72) .
> 
> and what follows after
> 
> 
> for (int i = 0; i < gds.length; i++) {
>                 GraphicsConfiguration gc = gds[i].getDefaultConfiguration();
>                 Rectangle bounds = gc.getBounds();
>                 if (bounds.contains(point)) { 
>                  // checks if the point updated by  fillPointWithCoords
>                   // is within the bounds of any of the  screen device else it returns null
>                     retval = new PointerInfo(gds[i], point);
>                 }
>             }

I ran it on Windows, sorry I should've said it explicitly.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22781#discussion_r1894374867