Hi, Alexander.
> 
> The XToolkit.getDefaultScreenWidth()/getDefaultScreenHeight() methods are 
> supposed to return the width/height in the user space.
> Could you rename them and the screenWidth/screenHeight variables to emphasize 
> the fact that now they work with values in the device space?

The fix is updated:
http://cr.openjdk.java.net/~serb/8168307/webrev.02

> 
> Thanks,
> Alexandr.
> 
> On 2/13/2017 8:58 PM, Sergey Bylokhov wrote:
>> To me it also looks strange and causes an unpredictable behavior when the 
>> main/default screen is on the right. But I guess it is too late to fix in 
>> jdk9, I’ll file a bug for jdk10 to investigate it.
>> 
>>> Hello Sergey,
>>> 
>>> Main screen on Windows and Mac OS always has (0,0) coordinates. On Linux 
>>> main screen may be shifted, e.g. if it is located to the right of secondary 
>>> one  (800,0).
>>> 
>>> I think that it is feasible to unify Linux main screen behavior with Mac OS 
>>> and Windowsa and make it always located at (0,0).
>>> 
>>> Thanks,
>>> 
>>> Alexander.
>>> 
>>> On 02/13/2017 12:18 PM, Sergey Bylokhov wrote:
>>>> Hello,
>>>> Please review the fix for jdk9.
>>>> 
>>>> Toolkit.getSreenSize() returns the size which is different from the size 
>>>> of the main screen(as it is specified).
>>>> 
>>>> Since jdk5 on linux it is return the size of the virtual screen(which 
>>>> includes all displays) in pixels. It was discussed in JDK-XXXXXXX, but 
>>>> since support of HiDPI was introduced it is return something different: 
>>>> «the size of the virtual screen in pixels divide by the scale factor of 
>>>> the main screen». So right now the result of this method does not match to 
>>>> the virtual screen size in the users space, it also does not match the 
>>>> size of the virtual screen in pixels, and also does not match to the size 
>>>> of the main screen.
>>>> 
>>>> This is a request to unify behavior of such methods between 
>>>> linux/windows/macOS in multi-screen environment.
>>>> 
>>>> No new issues were found by jtreg/jck.
>>>> 
>>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8168307
>>>> Webrev can be found at: http://cr.openjdk.java.net/~serb/8168307/webrev.01
>>>> 
> 

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