This adds both a vertical toolbar and vertically linked buttons.
2e093ea widget-factory: Add some vertical examples
demos/widget-factory/widget-factory.c | 100 ++++++++++++++++++++++
demos/widget-factory/widget-factory.ui | 142 +++++++++++++++++++++++++++++++-
2 files changed, 238 insertions(+), 4 deletions(-)
Upstream: git.gnome.org