[OpenJDK 2D-Dev] RFR: 8088395: Print dialogs are not blocking/modal w.r.t specified owner windows
prasanta.sadhukhan at oracle.com
Wed Mar 15 05:36:05 UTC 2017
Looks good to me.
On 3/14/2017 11:02 PM, Phil Race wrote:
> I have updated webrevs described below, and also I answer your questions
> FX is updated only to fix trailing white space and one modifier ordering
> The JDK side has a few modifications :
> (a) awt_PrintDialog.cpp and awt_PrintJob.cpp have an added safety check.
> We now call ::IsWindowHandle(id) as we do elsewhere to make sure its
> (b) The Page Setup Dialog on Linux was not seeing the AlwaysOnTop
> In part this was because it wasn't being checked in
> ServiceDialog.initPageDialog() - fixed
> In other part it is because the attributes weren't propagated. The
> reason for this is
> a bit lengthy to explain but the main thing to say is that we have an
> instance variable
> attributes as well as a local variable in some places.
> I didn't want to touch any code that even theoretically might affect
> 2D printing so
> instead I cached the attribute as we do the owner id so it is passed
> on properly
> Thanks to Kevin for spotting this problem
> On 03/14/2017 09:02 AM, Sergey Bylokhov wrote:
>> Hi, Phil.
>> I have only two questions:
>> - Does it mean that we do not support "ontop" property via public
>> API in idk?
> There is no API for the "alwaysOnTop" AWT property for the print dialogs.
> I actually don't think it can be implemented for the windows native
> print controls.
> There is an internal way to make an AWT window owner for the Swing
> print dialog
> but nothing public and it doesn't help here as the owner is not an AWT
>> - Probably the name should contain «owner» instead of «parent»?, But
>> since this is not a public API I guess it is not an issue.
> I suppose that is more correct. Something to address if it ever makes
> its way into API or docs.
>>> This has an FX bug + webrev :
>>> and also a JDK-side fix and webrev :-
>>> The problem is FX modal dialogs are ignoring the Window parameter.
>>> We can fix the problem with disabling the modal parent on the FX side
>>> and that is why most files in FX are updated.
>>> But it does not fix the "on top" issue which requires the JDK fixes and
>>> to pass in the DialogOnTop private attribute.
>>> The JDK code is there solely for FX and won't have any visibility
>>> unless FX passes in the private attribute.
>>> On Linux it uses the standard AWT "always on top" modality
>>> On windows it uses the HWND for the FX window and windows native
>>> On Mac you won't see anything since Mac does this automatically
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