Thanks for the reply. Unfortunately, I'm not a python programmer so searching through the source entails quite a learning curve... Perhaps someone with real knowledge of the internals can suggest an approach or more specifics about where to look.
--Chris Tony Anderson wrote: > Hi, > > I didn't notice about your use of OpenGL. My remarks referred to GTK. > However, what I think is happening is that the application is creating a > new window. On non-sugar systems, they appear as separate windows. > However, in the case of Sugar, I think it is expected that application > will work in a single window. The result is in some sense 'undefined'. > You will need to look at the source code and find where the source code > recreates a new window and change it to repaint the current window > (canvas?). Keep in mind I am reporting as an activity developer, not > from a real knowledge of the internals. > > Tony > > Chris Marshall wrote: >> Yes, but these are un-sugarized programs >> and they still generate gray circles. >> Doesn't that imply that window creation >> outside of sugar is being detected and >> acted upon? >> >> --Chris >> >> Tony Anderson wrote: >>> Compare: >>> >>> http://laguna.fmedic.unam.mx/~daniel/pygtutorial/pygtutorial/getting-started.html >>> >>> >>> >>> which creates a top-level window and >>> >>> http://wiki.laptop.org/go/PyGTK/Hello_World_Tutorial >>> >>> as a sugar activity. >>> >>> The first has the line: >>> >>> window = GtkWindow(WINDOW_TOPLEVEL) # create a top level window >>> >>> while the latter has: >>> >>> # Create the main container >>> self._main_view = gtk.VBox() >>> >>> Sugar has already created the top-level window with an empty VBox, so >>> the activity only needs to pack that VBox with widgets. >>> >>> Essentially to eliminate the grey circle, you need to modify the >>> initialization code (with the two tutorials as a guide). >>> >>> Tony >>> >>> >>> >>> Chris Marshall wrote: >>>> Two specific questions come to mind: >>>> >>>> (1) How does Sugar know that a new top level >>>> window has been instantiated? Is there a >>>> hook from the X server or what? >>>> >>>> (2) What sort of cleanup is needed to make >>>> the anonymous gray circle go away? Do >>>> you have to notify Sugar or what? >>>> >>>> I'm trying to implement some code that uses >>>> OpenGL via the Mesa library on the XO. As >>>> the code re-generates display graphics, the >>>> gray circles keep accumulating. I would >>>> like to keep the number of circles equal >>>> to the number of actual top level windows >>>> and not the total number used across the >>>> session. >>>> >>>> Thanks, >>>> Chris >>>> >>>> Tony Anderson wrote: >>>>> I believe that these circles result from the activity initiating a >>>>> new top-level window. Sugar provides an activity with a window. It >>>>> is expected that the activity will pack it's widgets into a vbox in >>>>> that window. Imported activities naturally create a top-level window. >>>>> >>>>> Tony >>>>> >>>>> >>>>> Message: 3 >>>>> Date: Tue, 30 Dec 2008 21:37:47 -0500 >>>>> From: Chris Marshall <jns-cmarsh...@comcast.net> >>>>> Subject: Re: anonymous gray activity circles >>>>> To: g...@laptop.org >>>>> Cc: OLPC Development <devel@lists.laptop.org> >>>>> Message-ID: <495adafb.40...@comcast.net> >>>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed >>>>> >>>>> Greg Smith wrote: >>>>> > > Hi Chris, >>>>> > > >>>>> > > Unless someone else has seen this, I think we need more detail >>>>> on how to >>>>> > > reproduce it. >>>>> >>>>> os767 and Firefox-6 activity >>>>> start firefox >>>>> click on a file link to download >>>>> exit firefox after >>>>> left a gray circle >>>>> >>>>> (Actually, it almost always leaves behind one >>>>> or more circles but I have not done exhaustive >>>>> testing to determine how many or under what >>>>> conditions. It would be easier to start from >>>>> an understanding of how the circle gets there >>>>> to begin with (what is being used to trigger >>>>> the circle's appearance)... >>>>> >>>>> --Chris >>>>> >>>>> > > Can you write down the steps it takes to get a "gray activity >>>>> circle"? >>>>> > > Include the version of XO software you are running: >>>>> > > http://wiki.laptop.org/go/What_release_am_I_running%3F >>>>> > > >>>>> > > It may be that you are double clicking to start an activity. >>>>> That can >>>>> > > cause a second activity instance to try and start then fail >>>>> and leave an >>>>> > > icon in the frame. That's the only thing that comes to mind >>>>> without more >>>>> > > detail. >>>>> > > >>>>> > > Thanks, >>>>> > > >>>>> > > Greg S >>>>> > > >>>>> > > ********************* >>>>> > > >>>>> > > From: jns-cmarsh...@comcast.net >>>>> > > Subject: anonymous gray activity circles >>>>> > > To: devel@lists.laptop.org >>>>> > > >>>>> > > Is there a way to prevent the >>>>> > > anonymous gray activity circles >>>>> > > in the frame? Some X apps >>>>> > > seem to accumulate circles with >>>>> > > no way i have been able to >>>>> > > determine to remove "dead" ones. >>>>> > > I tried to google the list but was >>>>> > > not able to generate useful links. >>>>> > > >>>>> > > --Chris >> >> . >> > > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.176 / Virus Database: 270.10.2/1872 - Release Date: 1/2/2009 > 1:10 PM > _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel