<AWT Dev> Proposal:X11 default visual support for IM status window on VNC

Ichiroh Takiguchi takiguc at linux.vnet.ibm.com
Thu Jun 7 00:54:34 UTC 2018

Hello Sergey.
Thank you for your review.

Could you review following patch ?

Ichiroh Takiguchi
IBM Japan, Ltd.

On 2018-06-06 07:15, Sergey Bylokhov wrote:
> Hi, Ichiroh.
> The approach looks fine, but maybe it is possible to decrees code
> duplication in findWithTemplate(). After the fix it will have two
> similar loops.
> On 24/05/2018 22:24, Ichiroh Takiguchi wrote:
>> Hello,
>> IBM would like to contribute X11 default visual support for IM status 
>> window patch to OpenJDK project.
>> Issue:
>> Java's Native IM status window is not displayed even if it's there.
>> Because of this issue, user cannot get proper visual feedback during 
>> key input operation.
>> We found this issue on Tiger VNC.
>> Reason:
>> Java may pick up unexpected visual for Java's Native IM status window 
>> when  Xserver supports multiple visual.
>> Workaround:
>> X11 default visual can be changed by FORCEDEFVIS environment variable, 
>> but it's not easy to find out default visual id.
>> I'd like contribute following 2 files:
>> M src/java.desktop/unix/native/libawt_xawt/awt/awt_GraphicsEnv.c
>> (Change X11 visual setting)
>> M src/java.desktop/unix/native/libawt_xawt/awt/awt_InputMethod.c
>> (Support 13 point X11 misc fonts (like k14 font for Japanese), since 
>> the fonts may defined for unscaled fonts.)
>> webrev files are in
>> http://cr.openjdk.java.net/~aleonard/defvis/
>> I appreciate any feedback please, and how I would go about obtaining a 
>> sponsor and contributor?
>> Thanks,
>> Ichiroh Takiguchi
>> IBM Japan, Ltd.

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