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Implement support for scroll button locks

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Add a boolean option/property to enable/disable the scroll button lock. Where
enabled, the button can be clicked and released as opposed to having to be
held down.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2019-10-11 10:24:30 +10:00
parent 400bf493d1
commit e52daf203b
4 changed files with 124 additions and 2 deletions
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17
man/libinput.man
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@@ -139,9 +139,18 @@ Designates a button as scroll button. If the
.BI ScrollMethod
is
.BI button
and the button is logically held down, x/y axis movement is converted into
and the button is logically down, x/y axis movement is converted into
scroll events.
.TP 7
.BI "Option \*qScrollButtonLock\*q \*q" bool \*q
Enables or disables the scroll button lock. If enabled, the
.BI ScrollButton
is considered logically down after the first click and remains down until
the second click of that button. If disabled (the default), the
.BI ScrollButton
button is considered logically down while held down and up once physically
released.
.TP 7
.BI "Option \*qScrollMethod\*q \*q" string \*q
Enables a scroll method. Permitted values are
.BI none,
@@ -219,6 +228,12 @@ Indicates which acceleration profile is currently enabled on this device.
setting is independent of the scroll method, to enable button scrolling the
method must be set to button-scrolling and a valid button must be set.
.TP 7
.BI "libinput Button Scrolling Button Lock Enabled"
1 boolean value. If true, the scroll button lock is enabled. This
setting is independent of the scroll method or the scroll button, to enable
button scrolling the method must be set to button-scrolling and a valid
button must be set.
.TP 7
.BI "libinput Calibration Matrix"
9 32-bit float values, representing a 3x3 calibration matrix, order is row
1, row 2, row 3