Re: Can put a GtkLayout in a GtkListBox

[Cédric Bellegarde <gnumdk gmail com>]

Ok, just need to add an eventbox...

regards,
--
Cédric

Le mer. 5 nov. 2014 à 14:41, Cedric Bellegarde <gnumdk gmail com> a 
écrit :
> Ok, so here another question...
>
> I want to implement drag and drop in a gtklistbox.
>
> If i add buttons to gtklistbox, set button as drag source, it works.
>
> If i add complex widgets to gtklistbox, as my container (gtkgrid) 
> doesn't have a window, it fails to be a drag source.
>
> That's why i'm looking for a container with a window (and tried with 
> GtkLayout)
>
> https://wiki.gnome.org/GnomeLove/DragNDropTutorial
> "Note that these GTK+ widgets must have an associated X Window, check 
> using GTK_WIDGET_NO_WINDOW(widget))."
>
> any idea?
>
> regards
> --
> Cédric Bellegarde
>
> Le mer. 5 nov. 2014 à 13:28, Tristan Van Berkom 
> <tristan upstairslabs com> a écrit :
> > On Wed, 2014-11-05 at 13:08 +0100, Cedric Bellegarde wrote:
> > >  Hello, in this code, adding a layout to a GtkListBox do not show 
> > > layout
> > >  content :(
> > >
> > >  What am i missing?
> >
> > A GtkLayout is like a GtkViewport which you can place widgets at
> > specific locations and draw on etc, it has the special property
> > that it does not require space (typically it's used in a scrolled
> > window).
> >
> > The reason you would not see the label would be that the layout
> > does not have any specific size request and as such does not get
> > allocated any space, so anything packed inside it would be clipped
> > away from view.
> >
> > Cheers,
> >     -Tristan
> >
> > >  regards,
> > >
> > >  from gi.repository import Gtk
> > >
> > >  class mywindow(Gtk.Window):
> > >
> > >      def __init__(self):
> > >          Gtk.Window.__init__(self, title="Hello")
> > >          box = Gtk.ListBox()
> > >          label = Gtk.Label("Hello")
> > >          label2 = Gtk.Label("Hello2")
> > >          layout = Gtk.Layout()
> > >          layout.put(label, 0, 0)
> > >          box.add(layout)
> > >          box.add(label2)
> > >          self.add(box)
> > >
> > >  win = mywindow()
> > >  win.connect("delete-event", Gtk.main_quit)
> > >  win.show_all()
> > >  win.resize(300, 300)
> > >  Gtk.main()
> > >
> > >  --
> > >  Cédric Bellegarde
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