From gtk-app-devel  Mon Apr 02 19:32:35 2007
From: Mike Melanson <mike () multimedia ! cx>
Date: Mon, 02 Apr 2007 19:32:35 +0000
To: gtk-app-devel
Subject: Re: Can A Drawable Canvas Receive Key Events?
Message-Id: <46115A53.8030408 () multimedia ! cx>
X-MARC-Message: https://marc.info/?l=gtk-app-devel&m=117554220922966

Mike Melanson wrote:
> I found that when I put a big text widget inside the XEmbed'ed GtkPlug 
> container instead of a big drawable canvas, it was able to receive 
> focus. Digging into the GTK source code, I noticed that it calls 
> gtk_widget_grab_focus() when it receives a button press event. So I did 
> the same for my canvas widget when the user clicks in it, and it seems 
> to work. The widget retains focus until the user clicks outside of the 
> window.

I missed a crucial step here. You also need to specify that the 
ordinarily non-focusable widget can receive focus by setting its 
"can-focus" property:

   GTK_WIDGET_SET_FLAGS (GTK_WIDGET(my_widget), GTK_CAN_FOCUS);

-- 
	-Mike Melanson
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