[gtkmm: 2/2] Merge branch 'tree-list-model' into 'master'

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 4d70091ca57045eed2e02cc20ce3046f22d7ec61
Merge: 8ebeddf2 90ad359e
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Sun Aug 9 14:12:43 2020 +0000

    Merge branch 'tree-list-model' into 'master'
    
    Add Gtk::TreeListModel and Gtk::TreeListRow
    
    See merge request GNOME/gtkmm!38

 .gitignore                                |  4 ++
 gtk/gtkmm.h                               |  1 +
 gtk/gtkmm/meson.build                     |  2 +
 gtk/src/filelist.am                       |  2 +
 gtk/src/gtk_extra_objects.defs            | 12 ++++
 gtk/src/gtk_signals.defs                  | 81 +++++++++++++++++++++++++
 gtk/src/treelistmodel.ccg                 | 56 ++++++++++++++++++
 gtk/src/treelistmodel.hg                  | 98 +++++++++++++++++++++++++++++++
 gtk/src/treelistrow.ccg                   | 17 ++++++
 gtk/src/treelistrow.hg                    | 75 +++++++++++++++++++++++
 tools/extra_defs_gen/generate_defs_gtk.cc |  2 +
 tools/m4/convert_gtk.m4                   |  1 +
 12 files changed, 351 insertions(+)
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