<AWT Dev> RFR: 8238575 DragSourceEvent.getLocation() returns wrong value on HiDPI screens (Windows)

Philip Race philip.race at oracle.com
Fri Apr 24 22:47:46 UTC 2020

All looks good to me.


On 2/17/20, 3:00 AM, Sergey Bylokhov wrote:
> Hello.
> Please review the fix for jdk/client.
> Bug: https://bugs.openjdk.java.net/browse/JDK-8238575
> Fix: http://cr.openjdk.java.net/~serb/8238575/webrev.00
> One more place where we forgot to scale of device coordinates->user's 
> space.
> To the "awt_DnDDS.cpp" I have added a logic we already use in the 
> "awt_DnDDT.cpp"
> In all places where we post events to java, we will scale coordinates 
> according to the
> current monitor.
> Two tests are updated:
>  - test/jdk/java/awt/dnd/Button2DragTest/Button2DragTest.java - can be 
> used to verify this fix
>  - test/jdk/sun/awt/dnd/8024061/bug8024061.java - changed to be 
> cross-platform, I used it during fix development
> Note that Button2DragTest.java is changed in a way that exposed 
> another HiDPI
> bug, in the multimonitor configuration where the main screen is HiDPI 
> and second
> is not the test window will jump from the center of the primary 
> monitor, but DND
> will work anyway.

More information about the awt-dev mailing list