Some backends can provide this information for touch devices, and it can be useful to have, so add this property.
f468f0f device: Add a num-touches property
gdk/gdkdevice.c | 25 +++++++++++++++++++++++++
gdk/gdkdeviceprivate.h | 1 +
2 files changed, 26 insertions(+)
Upstream: git.gnome.org