[gtk: 7/7] Merge branch 'constraint-list-model' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit b5aee936a98163856fdb6127bda9683e4a94ccec
Merge: b2f15a622d aa8687316f
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jul 2 14:18:42 2019 +0000

    Merge branch 'constraint-list-model' into 'master'
    
    Constraint list models
    
    See merge request GNOME/gtk!975

 .../constraint-editor-application.c                |  21 ++
 demos/constraint-editor/constraint-editor-window.c | 329 +++++++++++++++++++--
 .../constraint-editor/constraint-editor-window.ui  |  14 +
 demos/constraint-editor/constraint-editor.c        | 121 ++++++--
 demos/constraint-editor/constraint-editor.h        |   5 +
 demos/constraint-editor/constraint-editor.ui       |  17 --
 demos/constraint-editor/constraint-view.c          | 263 +++++++---------
 demos/constraint-editor/guide-editor.c             |  30 +-
 demos/constraint-editor/guide-editor.h             |   4 +
 docs/reference/gtk/gtk4-sections.txt               |   4 +
 gtk/gtkconstraintlayout.c                          | 128 ++++++++
 gtk/gtkconstraintlayout.h                          |   5 +
 12 files changed, 726 insertions(+), 215 deletions(-)
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