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  1. JDK
  2. JDK-8196030

AWT Robot mouseMove fails on Windows 10 1709 with HiDPI

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P2
    • Resolution: Fixed
    • Affects Version/s: 9, 10, 11
    • Fix Version/s: 11
    • Component/s: client-libs
    • Environment:

      Windows 10 version 1709

    • Subcomponent:
    • Resolved In Build:
      b18

      Backports

        Description

        To reproduce, run the attached test program on a Windows 10 system with the Windows 10 1709 (the Fall Creators update) with screen scale set to 125% or greater. It will fail to move the mouse to the correct location.

        Before you run it, move your mouse to a corner of the screen.

        Note that any number of Robot-based tests will also fail in the same way.

        This seems to be a bug introduced by Microsoft in Windows 10 in the mouse_move function.

        I note that FX robot also fails similarly.

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                • Assignee:
                  serb Sergey Bylokhov
                  Reporter:
                  kcr Kevin Rushforth
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                  • Created:
                    Updated:
                    Resolved: