wayland: Provide information about scroll devices

Desktop / GNOME / GTK - Matthias Clasen [redhat.com] - 1 June 2016 13:51 UTC

The Wayland protocol does not share XI2's wealth of information about individual devices, but it does provide discriminating information about the source for scroll events. Pass this on to the application by creating separate slave devices for these, and setting them as source device on the scroll events.

These devices can be discriminated by their input-source property: wheel - GDK_SOURCE_MOUSE finger - GDK_SOURCE_TOUCHPAD continuous - GDK_SOURCE_TRACKPOINT

https://bugzilla.gnome.org/show_bug.cgi?id=767093

fix up

3d0f768 wayland: Provide information about scroll devices
gdk/wayland/gdkdevice-wayland.c | 154 +++++++++++++++++++++++++++++++++++----
1 file changed, 139 insertions(+), 15 deletions(-)

Upstream: git.gnome.org

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