<AWT Dev> FW: FW: Fix for AWT on arbitrary non-reparenting window managers

[Chauncey Goss]

Sorry, I should have waited, the bug-report came through and is JI-9014984.
________________________________
> From: chauncey.goss at outlook.com 
> To: anthony.petrov at oracle.com 
> Date: Wed, 10 Sep 2014 13:26:01 -0500 
> CC: awt-dev at openjdk.java.net 
> Subject: Re: <AWT Dev> FW: FW: Fix for AWT on arbitrary non-reparenting 
> window managers 
> 
> Hi Anthony, I submitted a bug report on bugs.java.com which is 
> undergoing review. I was hoping that since the change is so minimal 
> (literally less than one line) that we could avoid formally submitting 
> a patch with the OCA signed, etc. (part of the problem being that this 
> isn't my real name/email). Is it possible for you to independently 
> submit a similar patch? Thanks very much!> Date: Wed, 10 Sep 2014 
> 15:44:37 +0400> From: anthony.petrov at oracle.com> To: 
> chauncey.goss at outlook.com; awt-dev at openjdk.java.net> Subject: Re: FW: 
> FW: Fix for AWT on arbitrary non-reparenting window managers>> Hi 
> Chauncey,>> Yes, generally this looks like a good solution. And a 
> search on the> Internet suggests that the _JAVA_AWT_WM_NONREPARENTING 
> variable is> pretty much a standard now. We'll still need to undergo 
> an internal API> approval process (CCC) to adopt this new variable 
> name, but I don't> expect any obstacles there.>> Would you like to 
> contribute a patch for this issue? You will need to> file a new bug at 
> http://bugs.java.com/ , prepare a patch, test it, and> then send it to 
> this mailing list for a review.>> However, before we can accept fixes 
> from you, you will need to have an> OCA signed. Please find more 
> details here:>> 
> http://www.oracle.com/technetwork/community/oca-486395.html>> --> 
> best regards,> Anthony>> On 9/9/2014 9:18 PM, Chauncey Goss wrote: 
>>> Wow, outlook decided to try to send this as HTML rather than plain 
> text>> and in the process screwed up the entire text. Apologies again 
> for the triple post,>> I promise I'll never do this again.>>>> AWT 
> currently includes a (very incomplete) hard-coded list of>> 
> non-reparenting window managers. To work around this, many 
> distributions>> patch openjdk to add support for this to be controlled 
> by an environment>> variable (_JAVA_AWT_WM_NONREPARENTING), see for 
> instance>> (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508650 
> or>> 
> https://projects.archlinux.org/svntogit/packages.git/plain/trunk/openjdk7_nonreparenting-wm.diff?h=packages/java7-openjdk) 
>>>>> A more minimal implementation than the above is to add an extra 
> clause>> to isNonReparentingWM in XWM.java something along the lines 
> of>> (XWM.getWMID() == XWM.OTHER_WM &&>> 
> XToolkit.getEnv("_JAVA_AWT_WM_NONREPARENTING") != null) which avoids 
> the>> need to define a new WM.>>>> This change seems like it would 
> have minimal side effects but greatly>> improve usability (a quick 
> google search for java tiling window manager>> reveals a lot of pain 
> surrounding this issue).>>>> Does this seem reasonable? Sorry if I'm 
> breaking any protocols or am>> missing prior discussions, this is my 
> first time looking at the OpenJDK>> source.>>>>>>