<AWT Dev> [8] Review Request: JDK-8027025 [macosx] getLocationOnScreen returns 0 if parent invisible
Petr Pchelko
petr.pchelko at oracle.com
Thu Oct 24 07:16:09 PDT 2013
Hello, Anthony.
> Please file a separate issue to investigate the setBounds/zoom code on Mac later.
I have filed https://bugs.openjdk.java.net/browse/JDK-8027250
With best regards. Petr.
On 24.10.2013, at 18:04, Anthony Petrov <anthony.petrov at oracle.com> wrote:
> Hi Petr,
>
> The workaround you suggest seems to be more or less safe, so let's go with it.
>
> Please file a separate issue to investigate the setBounds/zoom code on Mac later.
>
> --
> best regards,
> Anthony
>
> On 10/23/2013 01:05 PM, Petr Pchelko wrote:
>> Hello, Anthony.
>>
>>> What happens if you display a decorated frame centered on the screen? Will it receive the initial Move/Size event? And if yes, why exactly this isn't happening for undecorated frames?
>> Yes. The decorated frame is receiving the initial move/resize event. I suppose it's somehow moved(resized) be adding the window decorations, but this is only a guess.
>>
>> With best regards. Petr.
>>
>> On 23.10.2013, at 12:56, Anthony Petrov <anthony.petrov at oracle.com> wrote:
>>
>>> Hi Petr,
>>>
>>> What happens if you display a decorated frame centered on the screen? Will it receive the initial Move/Size event? And if yes, why exactly this isn't happening for undecorated frames?
>>>
>>> Also, at [1] Alexander said:
>>>> The problem was that NSWindow is created with zero bounds and then
>>>> actual bounds are set.
>>>> In this case NSWindow treats big bounds as zoomed state and next zoom
>>>> move the window to initial zero bounds.
>>>
>>> I'm wondering, won't the same scenario fail for undecorated windows after your fix, just reverting them back to 0x0/1x1 instead of 0x0/0x0?
>>>
>>> [1] http://mail.openjdk.java.net/pipermail/awt-dev/2013-September/005469.html
>>>
>>> --
>>> best regards,
>>> Anthony
>>>
>>> On 10/23/2013 12:43 PM, Petr Pchelko wrote:
>>>> Hello, AWT Team.
>>>>
>>>> Please review the fix for the issue:
>>>> https://bugs.openjdk.java.net/browse/JDK-8027025
>>>> The fix is available at:
>>>> http://cr.openjdk.java.net/~pchelko/8027025/webrev.00/
>>>>
>>>> The problem:
>>>> When initializing the peer's location and bounds we rely on the initial move/resize event. However if the undecorated frame is created right at the center of the screen this initial event does not come.
>>>> My testing shows that this is an only situation.
>>>>
>>>> The solution:
>>>> We revert the changes in JDK-8007219 for undecorated frames. The initial position is a 0-0-1-1 stub, the real position is set later during the initialization.
>>>> I don't want to do that for decorated frames as 1. this is not needed 2. the native maximize button starts working ugly in some cases.
>>>>
>>>> With best regards. Petr.
>>>>
>>
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