[PATCH synaptics] conf: add example for AreaBottomEdge on clickpad buttons

[Peter Hutterer]

Those that use clickpad buttons as buttons can see cursor jumps as the press
on the touchpad - largely caused by the finger changing shape as the
pressure changes and thus moving the hotspot.

Simple fix is to define the clickpad soft button areas as dead areas, but
this cannot be set as general option as it would break for those that use
tapping.

Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
 conf/50-synaptics.conf | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/conf/50-synaptics.conf b/conf/50-synaptics.conf
index 9e86a7a..dd16ca2 100644
--- a/conf/50-synaptics.conf
+++ b/conf/50-synaptics.conf
@@ -32,6 +32,9 @@ Section "InputClass"
         Identifier "Default clickpad buttons"
         MatchDriver "synaptics"
         Option "SoftButtonAreas" "50% 0 82% 0 0 0 0 0"
+#       To disable the bottom edge area so the buttons only work as buttons,
+#       not for movement, set the AreaBottomEdge
+#       Option "AreaBottomEdge" "82%"
 EndSection
 
 # This option disables software buttons on Apple touchpads.
-- 
1.8.0.2