[gtk: 7/7] Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit ce1cd67fa4f01cc8b0843ff7b247a75aea810330
Merge: 358b698efa eb5329d389
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Aug 9 17:11:18 2020 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    Matthiasc/for master
    
    See merge request GNOME/gtk!2422

 demos/gtk-demo/demo.gresource.xml |   8 +-
 demos/gtk-demo/listbox.c          |   2 +-
 demos/gtk-demo/listbox2.c         |  71 +++++++++
 demos/gtk-demo/listbox2.ui        | 324 ++++++++++++++++++++++++++++++++++++++
 demos/gtk-demo/main.c             |  17 +-
 demos/gtk-demo/meson.build        |   2 +-
 demos/gtk-demo/modelbutton.c      |  66 --------
 demos/gtk-demo/modelbutton.ui     | 133 ----------------
 demos/gtk-demo/spinbutton.c       |  96 +++++------
 gtk/theme/Adwaita/_common.scss    |   4 +-
 10 files changed, 464 insertions(+), 259 deletions(-)
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