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authorPeter Osterlund <petero2@telia.com>2004-10-22 20:30:33 +0200
committerPeter Osterlund <petero2@telia.com>2006-04-09 04:02:52 +0200
commit12cd575c5dc188cb9d1e825ef65571c0f6cf55eb (patch)
tree2268f0d484d80897671c59cf3ccd25f5e4cf358d /README
parent46feb77614ec1efd9a092cdc88415c5a9c112bbf (diff)
Added documentation explaining the meaning of the edge
parameters.
Diffstat (limited to 'README')
-rw-r--r--README26
1 files changed, 26 insertions, 0 deletions
diff --git a/README b/README
index 413ef7a..ba8692e 100644
--- a/README
+++ b/README
@@ -125,6 +125,32 @@ CircularPad Bool Instead of being a rectangle, the edge is the ellipse
enclosed by the Left/Right/Top/BottomEdge parameters.
For circular touchpads.
+The LeftEdge, RightEdge, TopEdge and BottomEdge parameters are used to
+define the edge and corner areas of the touchpad. The parameters split
+the touchpad area in 9 pieces, like this:
+
+ LeftEdge RightEdge
+ v v
+ | | Physical top edge
+ 1 | 2 | 3
+ ------------------- TopEdge
+ | |
+ 4 | 5 | 6
+ | |
+ ------------------- BottomEdge
+ 7 | 8 | 9
+ | | Physical bottom edge
+ ^ ^
+ Physical Physical
+ left edge right edge
+
+Coordinates to the left of LeftEdge are part of the left edge (areas
+1, 4 and 7), coordinates to the left of LeftEdge and above TopEdge
+(area 1) are part of the upper left corner, etc. A good way to find
+appropriate edge parameters is to enable the SHMConfig option and run
+"synclient -m 1" to see the x/y coordinates corresponding to different
+positions on the touchpad.
+
A tap event happens when the finger is touched and released in a time
interval shorter than MaxTapTime, and the touch and release
coordinates are less than MaxTapMove units apart. A "touch" event