Tristan Van Berkom a écrit :
> On Tue, 2007-01-09 at 15:27 +0100, François Galea wrote:
>> hi,
> [...]
>> The results are a bunch of messages of the form :
>>
>> (plot2:3556): Gtk-CRITICAL **: gtk_widget_realize: assertion 
>> `GTK_WIDGET_ANCHORED (widget) || GTK_IS_INVISIBLE (widget)' failed
>>
> Hi,
>    those assertions mean that the widget you are trying to realize
> is not anchored - that means that its not inside a toplevel widget.
> 
> by looking at your code, looks like you never add the gtk-plot
> widget to your hierarchy.
> 
Hi Tristan,

Thank you for your quick answer.

Adding the GktPlot to the hierarchy doesn't help much. It just 
suppresses the error messages, but doesn't display anything either.

In fact, I just would like to be able to draw a plot in a drawable 
widget, such as a drawing area. It seems the GtkPlot is not drawable by 
itself (eg. creating a pixmap using plot->window as a reference 
GdkDrawable displays a Gdk error message), thus the idea of using a 
GtkDrawingArea. Maybe I am wrong, please correct me if so.

What I need actually is just a simple example program for plotting data 
in a window, in a simpler way than when using a GtkCanvas.

Thanks

-- 
François Galea

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