Thanks Vest V for reply 
I can able to draw circles using GtkDrawingArea and cairo 
but is there any alternative to GIO as I have to use CentOS-5.3 (glib version 
2.10) and I think GIO is not supported in this version
from where do I install GIO library                      

 From: Vest V. <>
To: "" <> 
Sent: Thursday, 26 September 2013 4:11 AM
Subject: Re: changing colour of widget

Hello Mahesh,

It depends on which approach you want to use: draw LEDs manually, or
display images. The first possible widget is GtkDrawingArea:,the second is

Regarding the event: probably you need GIO library (especially the

Kind regards,

On Thu, Sep 26, 2013 at 12:17 PM, Mahesh Chaudhari <> wrote:

> Hi List,
> I am very new to GTK+ programming and got a task of developing user
> interface (GUI) to one of our embedded board
> I went through basics of GTK searching for any widget that could represent
> on board LEDs, which can glows (basically changes colour)
> Also, is it possible to generate an event whenever file is updated instead
> of user (mouse clicks, keyboard press)
> Any Help
> _______________________________________________
> gtk-app-devel-list mailing list
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