On Tue, 28 Jan 2025 22:37:08 GMT, Alisen Chung <[email protected]> wrote:
>> Currently on macOS when mouseMove is given an offscreen coordinate to move
>> the mouse to, mouseMove will physically clamp to the edge of the screen, but
>> if you try to grab the mouse location immediately after by using
>> MouseInfo.getPointerInfo().getLocation() you will get the value of the
>> offscreen point.
>>
>> Windows and linux do this clamping and coordinate handling for us, but new
>> distributions may not necessarily handle clamping the same way, so Robot
>> should be checking for clamping rather than delegating it to native.
>>
>> This fix updates shared code to cache the screen bounds and adds a check to
>> not exceed the bounds in mouseMove. The caching is done in the Robot
>> constructor, so if the screen bounds changes the constructor must be called
>> again to update to the new bounds.
>
> Alisen Chung has updated the pull request incrementally with one additional
> commit since the last revision:
>
> peer.mouseMove
src/java.desktop/share/classes/java/awt/Robot.java line 176:
> 174:
> 175: for (int i = 0; i < gs.length; i++) {
> 176: allScreenBounds[i] =
> gs[i].getDefaultConfiguration().getBounds();
This data cannot be cached, it can be modified at runtime.
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PR Review Comment: https://git.openjdk.org/jdk/pull/22781#discussion_r1932999242