Re: Flowbox: widget expanding

[Cedric Bellegarde <gnumdk gmail com>]

Thanks, it works

https://github.com/gnumdk/lollypop/commit/3a715b75c065d74d68d3c5896b61dcb18822a265

regards,
--
Cédric Bellegarde

Le mer. 5 nov. 2014 à 13:24, Tristan Van Berkom 
<tristan upstairslabs com> a écrit :
> On Wed, 2014-11-05 at 10:56 +0100, Cedric Bellegarde wrote:
> >  Here the code:
> First, please remember to Reply-All or reply to the list, this is not
> a private discussion I'm having.
>
> >  #!/usr/bin/python
> >  from gi.repository import Gtk
> >
> >
> >  win = Gtk.Window()
> >  flow = Gtk.FlowBox()
> >  b1 = Gtk.Button("plop")
> >  b1.set_property("vexpand", False)
> >  flow.set_property("vexpand", False)
> >  flow.insert(b1, -1)
> >  win.add(flow)
> >  win.connect("delete-event", Gtk.main_quit)
> >  win.show_all()
> >  Gtk.main()
>
> When you say that a widget will not 'expand', it means that it does 
> not
> want any of the left over space beyond it's request which is left over
> from that widget's siblings.
>
> If there is only one widget, or if none of the siblings ask to expand,
> then it is the same as all widgets expanding and extra space will be
> distributed evenly.
>
> By default the halign and valign properties are set to GTK_ALIGN_FILL,
> which means after the parent has decided on the space to allocate it's
> child, that child will 'fill' the allocated space.
>
> You can either add siblings which do expand to your UI, in which case
> any extra space will only be given to widgets which do expand, or
> alternatively you can accept that the single button in the UI you've
> created will receive all the space, and tell it how to align itself
> in the allocated space using the haligh/valign properties.
>
> Cheers,
>     -Tristan