Re: libseed-list GTK+3 example?



That looks correct, CairoContext is a struct, not a GObject. 

you should be able to use it with any of the methods mentioned here.

http://www.roojs.com/seed/gir-1.2-gtk-3.0/seed/cairo.Context.html

Regards
Alan

 --- On 18/May/2011, august wrote: 
> I just updated seed from jhbuild.
> 
> when I run connected draw signal, it prints the following for the two
> parameters:
> 
> [object GtkDrawingArea]
> [object seed_struct]
> 
> 
> The function is: 
> 
> function draw_arc( drawing_area, cr ){
> 	print(drawing_area);
> 	print(cr);
> 	return false;
> }
> 
> 
> Do I need to updae WebKit or GIR files somehow?
> 
> 
> thanks - august.
> 
> 
> > Gtk3 docs have been generated now, 
> > 
> > At the bottom of my rant about unity, there are some details on the major changes in Gtk3 that affect seed.
> > http://roojs.com/index.php/View/236/.html
> > 
> > In this case,
> > http://www.roojs.com/seed/gir-1.2-gtk-3.0/seed/Gtk.DrawingArea.html
> > 
> > The signal signature is this,
> > draw (Widget self, Context cr) : gboolean
> > function draw_arc(ctx,cr){
> > 	print(cr); // should output [object CairoContext]
> > }
> > 
> > 
> > Regards
> > Alan
> >  --- On 18/May/2011, august wrote: 
> > > Hi Everyone,
> > > 
> > > 	I'm struggling with a problem.  With GTK2, seed was able to draw in a
> > > 	widget using the expose_event signal and a callback such as this:
> > > 
> > > 	function draw_arc(drawing_area){
> > > 		    var cr = new cairo.Context.from_drawable(drawing_area.window);	
> > > 			// .. do soem cairo stuff on cr
> > > 			 return false;
> > > 	}
> > > 	var d = new Gtk.DrawingArea();
> > > 	d.signal.expose_event.connect(draw_arc);
> > > 
> > > 
> > > 	In GTK3, I see there is a "draw" signal that one can connect to.
> > > 	However, instead of a Cairo.context as a parameter, I still get a
> > > 	[object GtkDrawingArea].
> > > 
> > > 	function draw_arc(ctx){
> > > 			print(ctx); // outputs [object GtkDrawingArea]
> > > 	}
> > > 	var d = new Gtk.DrawingArea();
> > > 	d.signal.draw.connect(draw_arc);
> > > 
> > > 
> > > 	Any ideas or suggestions here?  How do I get a Cario context in
> > > 	GTK+-3?
> > > 
> > > 
> > > 	Thanks -august.
> > > 
> > > _______________________________________________
> > > libseed-list mailing list
> > > libseed-list gnome org
> > > http://mail.gnome.org/mailman/listinfo/libseed-list
> > 
> > _______________________________________________
> > libseed-list mailing list
> > libseed-list gnome org
> > http://mail.gnome.org/mailman/listinfo/libseed-list
> 
> -- 
> 	-------------------
> 	http://aug.ment.org



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