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GTK DISPLAY Error in GUI Application
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Ian Mallett  
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 More options Sep 29 2012, 2:36 pm
From: Ian Mallett <geometr...@gmail.com>
Date: Sat, 29 Sep 2012 12:36:27 -0600
Local: Sat, Sep 29 2012 2:36 pm
Subject: GTK DISPLAY Error in GUI Application
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Hi,

I have written a GUI program (developed on Windows), and am working on
cross-platform testing. When running from a console on Ubuntu 12.04, I get
the following output
No protocol specified
No protocol specified
Error: Unable to initialize gtk, is DISPLAY set properly?

"echo $DISPLAY" returns ":0".

When running from an explorer window, no window opens.

Help? Thanks,
Ian


 
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Vadim Zeitlin  
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 More options Sep 29 2012, 4:38 pm
From: Vadim Zeitlin <va...@wxwidgets.org>
Date: Sat, 29 Sep 2012 22:38:28 +0200
Local: Sat, Sep 29 2012 4:38 pm
Subject: Re: GTK DISPLAY Error in GUI Application
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On Sat, 29 Sep 2012 12:36:27 -0600 Ian Mallett wrote:

IM> I have written a GUI program (developed on Windows), and am working on
IM> cross-platform testing. When running from a console on Ubuntu 12.04, I get
IM> the following output
IM> No protocol specified
IM> No protocol specified

 I have no idea where do these messages come from but they don't come from
wxWidgets. Perhaps you're using some unusual GTK+ version?

IM> Error: Unable to initialize gtk, is DISPLAY set properly?
IM>
IM> "echo $DISPLAY" returns ":0".

 Is it exported? I.e. what does "env|fgrep -a DISPLAY" say?

 Also do the other X11 applications run from this command line? E.g.
xclock?

 Regards,
VZ

--
TT-Solutions: wxWidgets consultancy and technical support
               http://www.tt-solutions.com/

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Ian Mallett  
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 More options Sep 29 2012, 6:20 pm
From: Ian Mallett <geometr...@gmail.com>
Date: Sat, 29 Sep 2012 16:20:31 -0600
Local: Sat, Sep 29 2012 6:20 pm
Subject: Re: GTK DISPLAY Error in GUI Application
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On Sat, Sep 29, 2012 at 2:38 PM, Vadim Zeitlin <va...@wxwidgets.org> wrote:
> On Sat, 29 Sep 2012 12:36:27 -0600 Ian Mallett wrote:

> IM> I have written a GUI program (developed on Windows), and am working on
> IM> cross-platform testing. When running from a console on Ubuntu 12.04, I
> get
> IM> the following output
> IM> No protocol specified
> IM> No protocol specified

>  I have no idea where do these messages come from but they don't come from
> wxWidgets. Perhaps you're using some unusual GTK+ version?

I have no idea. How is GTK+ related to wxWidgets?

IM> Error: Unable to initialize gtk, is DISPLAY set properly?

> IM>
> IM> "echo $DISPLAY" returns ":0".

>  Is it exported?

I haven't set it myself, if that's what you mean.

> I.e. what does "env|fgrep -a DISPLAY" say?

DISPLAY=:0

 Also do the other X11 applications run from this command line? E.g.

> xclock?

No. xclock in particular gives identical output.

>  Regards,
> VZ

Thanks,
Ian

 
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Gerald Brandt  
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 More options Sep 29 2012, 6:36 pm
From: Gerald Brandt <g...@majentis.com>
Date: Sat, 29 Sep 2012 17:37:13 -0500 (CDT)
Local: Sat, Sep 29 2012 6:37 pm
Subject: Re: GTK DISPLAY Error in GUI Application
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Are you trying to run the app as a different user than the one that logged into X?

Gerald


 
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Ian Mallett  
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 More options Sep 29 2012, 7:23 pm
From: Ian Mallett <geometr...@gmail.com>
Date: Sat, 29 Sep 2012 17:22:59 -0600
Local: Sat, Sep 29 2012 7:22 pm
Subject: Re: GTK DISPLAY Error in GUI Application
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On Sat, Sep 29, 2012 at 4:37 PM, Gerald Brandt <g...@majentis.com> wrote:
> Are you trying to run the app as a different user than the one that logged
> into X?

Not certain. I am running the application in a standard Ubuntu terminal
(I'm not SSHed in or anything).

I logged in to Ubuntu using my standard username and password, and just
started the terminal. The terminal does not (and cannot) have root access.

 Gerald

Ian


 
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Vadim Zeitlin  
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 More options Sep 29 2012, 8:19 pm
From: Vadim Zeitlin <va...@wxwidgets.org>
Date: Sun, 30 Sep 2012 02:19:01 +0200
Local: Sat, Sep 29 2012 8:19 pm
Subject: Re[2]: GTK DISPLAY Error in GUI Application
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On Sat, 29 Sep 2012 17:22:59 -0600 Ian Mallett wrote:

IM> On Sat, Sep 29, 2012 at 4:37 PM, Gerald Brandt <g...@majentis.com> wrote:
IM>
IM> > Are you trying to run the app as a different user than the one that logged
IM> > into X?
IM> >
IM> Not certain. I am running the application in a standard Ubuntu terminal
IM> (I'm not SSHed in or anything).

 If so running xclock should definitely work. And once it works, running wx
programs should work too. But this is not a wxWidgets problem at all,
something is seriously wrong on your system if you can't run any X
application. You probably should ask for help in Ubuntu forums because I
really have no idea about could be causing it, especially if you just are
on a normal Ubuntu installation.

 Regards,
VZ

--
TT-Solutions: wxWidgets consultancy and technical support
               http://www.tt-solutions.com/

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Ian Mallett  
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 More options Oct 4 2012, 9:25 am
From: Ian Mallett <geometr...@gmail.com>
Date: Thu, 4 Oct 2012 07:25:16 -0600
Local: Thurs, Oct 4 2012 9:25 am
Subject: Re: Re[2]: GTK DISPLAY Error in GUI Application
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On Sat, Sep 29, 2012 at 6:19 PM, Vadim Zeitlin <va...@wxwidgets.org> wrote:
> this is not a wxWidgets problem at all,
> something is seriously wrong on your system if you can't run any X
> application.

Alright--thanks!

 
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