[kaffe] A 'transparent' question of Kaffe with n ano-X

jserv at linux2.cc.ntu.edu.tw jserv at linux2.cc.ntu.edu.tw
Tue May 9 20:34:53 PDT 2006

On Wed, May 10, 2006 at 11:07:06AM +0800, wzhen8010 wrote:
> Hi,all!
> I have encountered a transparent problem when trying to run a awt protgram with kaffe+nano-X. What the matter as below:
> I tried to running a program which wrote for MHP. The program imported HAVi and DVB classes for UI. When I run it with Kaffe+GTK , it worked good. but when i run it with Kaffe+nano-X, I found it cannot show the scene transparent correctly. That is to say, the upper scene always covered the below ones opaquely, when the upper one should be transparent and we should see the below ones.
> Then, I found that the classes in dir of '%KAFFE_CLASSPATH\libraries\clib\awt\nano-X' are much few than which in dir of '%KAFFE_CLASSPATH\\libraries\clib\awt\classpath-gtk',  but I didn't study it deep for there are so many classes. Is the problem relate with these classes? or kaffe has not implement the tranparent function with nano-X? 

hello Chavaz,

  The Nano-X AWT backend doesn't handle opaquely scense well, and the
semantics of transparency in AWT is broken to Nano-X backend. If you are
willing to look deeper into the implementation, I might be able to able
to help.

Jim Huang (jserv)

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