[gtk: 2/2] Merge branch 'matthiasc/for-master' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit c6aff910ed7a01f65663a5fd3020d5d0f3d270cc
Merge: 2741431d6e d71337513f
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Sep 16 02:56:08 2020 +0000

    Merge branch 'matthiasc/for-master' into 'master'
    
    gtk-demo: Add another demo
    
    See merge request GNOME/gtk!2584

 demos/gtk-demo/demo.gresource.xml |   6 +
 demos/gtk-demo/demo3widget.c      | 243 ++++++++++++++++++++++++++++++++++++++
 demos/gtk-demo/demo3widget.h      |   8 ++
 demos/gtk-demo/demo3widget.ui     |  30 +++++
 demos/gtk-demo/menu.c             |  47 ++++++++
 demos/gtk-demo/meson.build        |   4 +-
 6 files changed, 337 insertions(+), 1 deletion(-)
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