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Document the top software button behavior

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Peter Hutterer 2014-06-12 11:55:21 +10:00
parent 1db5866cee
commit 2e289b2026
1 changed files with 21 additions and 0 deletions
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21
src/libinput.h
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@ -74,6 +74,27 @@ extern "C" {
* button area. * button area.
* The exact behavior of the touchpad is implementation-dependent. * The exact behavior of the touchpad is implementation-dependent.
* *
* Top software button area
* ========================
* On selected touchpads, the top area of the touchpad is a separate set of
* software buttons split into a left, middle and right button area.
* Pressing the touchpad down with a finger in those areas will generate
* clicks as shown in the diagram below:
*
* @code
+------------------------+
| LEFT | MIDDLE | RIGHT |
+------------------------+
| |
| LEFT |
| |
+------------------------+
| LEFT | RIGHT |
+------------------------+
* @endcode
* This behavior is enabled on the Lenovo *40 series (T440, T540, T240...)
* and the Lenovo Helix, Yoga S1 and Carbon X1 2nd.
*
* Clickfinger * Clickfinger
* =========== * ===========
* On Apple touchpads, no button areas are provided. Instead, use a * On Apple touchpads, no button areas are provided. Instead, use a