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Old 01-25-2012, 04:02 PM
Bill Pollifrone
 
Default focus issue lost and cannot regain under wxGTK 2.8

Hello,

I am a developer on a project that uses a full screen wxpython 2.8 GTK
application in a kiosk manner on Ubuntu 10.04LTS. So, the window has
no title bar, menu or borders and takes up the entire screen and is
always on top. The mouse pointer cursor is made to be invisible
(wx.CURSOR_BLANK) so that it is not visible when a user interacts with
the touchscreen hardware.

Occasionally, another program window may pop-up. I have a theory that
it may be the update-notifier, but don't have concrete proof of that.
The problem I'm experiencing is that while my application remains on
top, it has the focus lost by the pop-up window and then cannot gain
the focus even by clicking on the visible window. If I change to
standard window style like a desktop application I have seem to be
able to get the focus back easily, however I've not done extensive
testing in this manner. My question is if anyone has experienced
this, and is it caused by the setup of the application components in
this manner or can recommend a mailing list that would deal with this
sort of issue.

Thanks for any input,

- Bill

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Old 01-25-2012, 08:08 PM
Ioannis Vranos
 
Default focus issue lost and cannot regain under wxGTK 2.8

On Wed, Jan 25, 2012 at 7:02 PM, Bill Pollifrone
<bpollifrone@finarta.net> wrote:
> Hello,
>
> I am a developer on a project that uses a full screen wxpython 2.8 GTK
> application in a kiosk manner on Ubuntu 10.04LTS. So, the window has
> no title bar, menu or borders and takes up the entire screen and is
> always on top. The mouse pointer cursor is made to be invisible
> (wx.CURSOR_BLANK) so that it is not visible when a user interacts with
> the touchscreen hardware.
>
> Occasionally, another program window may pop-up. I have a theory that
> it may be the update-notifier, but don't have concrete proof of that.
> The problem I'm experiencing is that while my application remains on
> top, it has the focus lost by the pop-up window and then cannot gain
> the focus even by clicking on the visible window. *If I change to
> standard window style like a desktop application I have seem to be
> able to get the focus back easily, however I've not done extensive
> testing in this manner. My *question is if anyone has experienced
> this, and is it caused by the setup of the application components in
> this manner or can recommend a mailing list that would deal with this
> sort of issue.
<>
> Thanks for any input,

Have you tried disabling the automatic updates notification in Ubuntu?
One way to do this, is in Updates Manager to click Settings, and then
go to Updates tab.



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Old 01-25-2012, 08:12 PM
Ioannis Vranos
 
Default focus issue lost and cannot regain under wxGTK 2.8

On Wed, Jan 25, 2012 at 11:08 PM, Ioannis Vranos
<ioannis.vranos@gmail.com> wrote:
> On Wed, Jan 25, 2012 at 7:02 PM, Bill Pollifrone
> <bpollifrone@finarta.net> wrote:
>> Hello,
>>
>> I am a developer on a project that uses a full screen wxpython 2.8 GTK
>> application in a kiosk manner on Ubuntu 10.04LTS. So, the window has
>> no title bar, menu or borders and takes up the entire screen and is
>> always on top. The mouse pointer cursor is made to be invisible
>> (wx.CURSOR_BLANK) so that it is not visible when a user interacts with
>> the touchscreen hardware.
>>
>> Occasionally, another program window may pop-up. I have a theory that
>> it may be the update-notifier, but don't have concrete proof of that.
>> The problem I'm experiencing is that while my application remains on
>> top, it has the focus lost by the pop-up window and then cannot gain
>> the focus even by clicking on the visible window. *If I change to
>> standard window style like a desktop application I have seem to be
>> able to get the focus back easily, however I've not done extensive
>> testing in this manner. My *question is if anyone has experienced
>> this, and is it caused by the setup of the application components in
>> this manner or can recommend a mailing list that would deal with this
>> sort of issue.
> <>
>> Thanks for any input,
>
> Have you tried disabling the automatic updates notification in Ubuntu?
> One way to do this, is in Updates Manager to click Settings, and then
> go to Updates tab.

Another approach, I would prefer more myself, is creating and using a
separate Standard User account. This has not any update notifications,
and is more secure too.


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