[OpenJDK 2D-Dev] [10] JDK-8169044: The tray icon color is not green

Shashidhara Veerabhadraiah shashidhara.veerabhadraiah at oracle.com
Tue Aug 1 12:23:48 UTC 2017

Yes Jim. Per the current code base, it is defaulted to default screen.

To have the same tray icon being represented on multiple task bars would require updates to XSystemTrayPeer.java to replicate the message being sent to X11 to add a new tray icon for a particular screen(Currently it is done only for the default screen). The current X11 tray system uses XEMBED protocol to add system tray icons. 
Currently the screen is set to 0 which I think would refer to default screen and hence it adds tray icons only to the default screen. The X11 property '_NET_SYSTEM_TRAY_S[SCREEN_NUMBER]' allows access to the system tray of screen 'SCREEN_ NUMBER '. So we may need to use such mechanism to add the tray icon onto different screens. This may be different for windows and mac but will have a similar mechanism.

Thanks and regards,

-----Original Message-----
From: Jim Graham 
Sent: Tuesday, August 1, 2017 2:14 AM
To: Shashidhara Veerabhadraiah <shashidhara.veerabhadraiah at oracle.com>; awt-dev at openjdk.java.net; 2d-dev <2d-dev at openjdk.java.net>
Subject: Re: [OpenJDK 2D-Dev] [10] JDK-8169044: The tray icon color is not green

Will the tray icon canvas always be on the default screen?  I believe the latest MacOS and Win10 both allow menu bars and task bars on all monitors.  Linux may not be far behind...


On 7/30/17 11:59 PM, Shashidhara Veerabhadraiah wrote:
> Hi, Kindly review a fix for JDK-8169044 where the non hi dpi icon was 
> picked among the icon set of hi dpi and a non hi dpi icons for a hi dpi display screen.
> Issue: The non hi dpi icon is red in color (and hi dpi icon is green 
> in color) and was getting picked up among the set for a hi dpi display screen as shown below in the picture:
> Solution and fix: The icon's buffered images are not subjected to the 
> scaling because of the hi dpi screen. Hence, the default non hi dpi 
> icon was getting picked up for rendering the tray icon. Now the source 
> code modified to apply necessary transformations to the bufferedimages to get the default icon based on the default display screen. Below is the output after the fix:
> Bug: https://bugs.openjdk.java.net/browse/JDK-8169044
> Webrev: http://cr.openjdk.java.net/~pkbalakr/shashi/8169044/webrev.00/
> Thanks and regards,
> Shashi

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