[gtk: 5/5] Merge branch 'columnview-menu' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit 19da93b6753b3dc15fc1ff9bda26607c7e947cde
Merge: ab2c8de4de d02c48f987
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jun 3 15:51:26 2020 +0000

    Merge branch 'columnview-menu' into 'master'
    
    columnview: Add header menus
    
    See merge request GNOME/gtk!2001

 demos/gtk-demo/listview_settings.c   | 32 +++++++++++++
 demos/gtk-demo/listview_settings.ui  | 90 +++++++++++++++++++++++++++++++++++-
 docs/reference/gtk/gtk4-sections.txt |  3 ++
 gtk/gtkcolumnviewcolumn.c            | 65 ++++++++++++++++++++++++++
 gtk/gtkcolumnviewcolumn.h            |  6 +++
 gtk/gtkcolumnviewtitle.c             | 70 +++++++++++++++++++++++++---
 6 files changed, 257 insertions(+), 9 deletions(-)
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