[gtkmm: 5/5] Merge branch 'dropdown' into 'master'

[Kjell Ahlstedt <kjellahl src gnome org>]

commit bdaaf16c9ad9f5e724b27aee03ded7c8e44981b5
Merge: 93f9891a8 63dd15840
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Sat Jul 18 11:30:42 2020 +0000

    Merge branch 'dropdown' into 'master'
    
    Add Gtk::DropDown
    
    See merge request GNOME/gtkmm!29

 .gitignore                                |  12 ++
 gtk/gtkmm.h                               |   4 +
 gtk/gtkmm/meson.build                     |   6 +
 gtk/src/dropdown.ccg                      |  17 +++
 gtk/src/dropdown.hg                       |  98 +++++++++++++++++
 gtk/src/filelist.am                       |   6 +
 gtk/src/gtk_extra_objects.defs            |  14 ++-
 gtk/src/gtk_signals.defs                  | 177 ++++++++++++++++++++++++++++++
 gtk/src/listitem.ccg                      |  27 +++++
 gtk/src/listitem.hg                       |  73 ++++++++++++
 gtk/src/listitemfactory.ccg               |  17 +++
 gtk/src/listitemfactory.hg                |  78 +++++++++++++
 gtk/src/signallistitemfactory.ccg         |  17 +++
 gtk/src/signallistitemfactory.hg          |  89 +++++++++++++++
 gtk/src/stringlist.ccg                    |  30 +++++
 gtk/src/stringlist.hg                     |  76 +++++++++++++
 gtk/src/stringobject.ccg                  |  17 +++
 gtk/src/stringobject.hg                   |  41 +++++++
 tools/extra_defs_gen/generate_defs_gtk.cc |   4 +
 tools/m4/convert_gtk.m4                   |   4 +
 20 files changed, 806 insertions(+), 1 deletion(-)
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