<AWT Dev> [9] Review request for 8163101: dual-screen issue with JMenu, JPopupMenu

[Semyon Sadetsky]

On 23.09.2016 17:31, Sergey Bylokhov wrote:
> On 23.09.16 17:00, Semyon Sadetsky wrote:
>>>>> On 31.08.16 17:18, Semyon Sadetsky wrote:
>>>>>> Toolkit.getDefaultToolkit().getScreenSize()
>>>>>>
>>>>>> was replaced by
>>>>>>
>>>>>> graphicsConfig.getBounds();
>>>>>>
>>>>>> that returns a particular screen area which is not the same as the
>>>>>> joint
>>>>>> screen area in case of Xinerama multi-monitor configuration.
>>>>>
>>>>> Can you please clarify what is the difference between two methods in
>>>>> this bug? Toolkit.getScreenSize() is related to the main screen
>>>>> only(defaul gc config), but gc.getBounds() is related to appropriate
>>>>> screen(and take scale factor of those screen into account). In 
>>>>> case of
>>>>> xinerama we should have two GC which should have each own scales.
>>>> It was explained above already: they return different things.
>>>> Toolkit.getScreenSize() returns the whole desktop size, gc.getBounds()
>>>> returns particular screen bounds.
>>>
>>> I do not get it. Toolkit.getScreenSize() should return the size of the
>>> primary screen which is default screen device in terms of
>>> GraphicsEnvironment.
>> No, it is a whole desktop size (joint virtual screen in case of
>> multi-monitor). It has been working that way always.
>
> Then this is a bug.
Why?