[gtk: 6/6] Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit dbc6a94daf3ff754df1d25737da6c49c90c30085
Merge: e0b95c6234 0a9acd10d2
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Aug 12 10:51:17 2020 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    Matthiasc/for master
    
    See merge request GNOME/gtk!2429

 demos/gtk-demo/demo.gresource.xml |  21 ++--
 demos/gtk-demo/demochild.c        |  72 ++++++++++++
 demos/gtk-demo/demochild.h        |   8 ++
 demos/gtk-demo/demolayout.c       | 189 +++++++++++++++++++++++++++++++
 demos/gtk-demo/demolayout.h       |  13 +++
 demos/gtk-demo/demowidget.c       | 121 ++++++++++++++++++++
 demos/gtk-demo/demowidget.h       |  11 ++
 demos/gtk-demo/layoutmanager.c    |  61 ++++++++++
 demos/gtk-demo/meson.build        |   7 +-
 demos/gtk-demo/peg_solitaire.c    |  72 ++++++++++--
 demos/gtk-demo/pixbufs.c          | 228 --------------------------------------
 gdk/gdktoplevelsize.c             |  12 +-
 12 files changed, 560 insertions(+), 255 deletions(-)
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