Attachment 115125 Details for Bug 90007 – Updating of the man page of xf86-input-libinput.

[patch] Updating of the man page of xf86-input-libinput.

update_man_page.patch (text/plain), 1.92 KB, created by Éric Brunet on 2015-04-16 13:52:07 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Éric Brunet

Created: 2015-04-16 13:52:07 UTC

Size: 1.92 KB

patch

obsolete

>commit 27df4e9c7f5efb87e06750a351ae46eded10b5cb
>Author: Ãric Brunet <Eric.Brunet@lps.ens.fr>
>Date:   Thu Apr 16 15:41:12 2015 +0200
>
>    Change the man page to explain the "Coordinate Transformation Matrix"
>    property
>    
>    Signed-off-by: Ãric Brunet <Eric.Brunet@lps.ens.fr>
>
>diff --git a/man/libinput.man b/man/libinput.man
>index e807578..d68aa1b 100644
>--- a/man/libinput.man
>+++ b/man/libinput.man
>@@ -155,6 +155,46 @@ Indicates which click methods are enabled on this device.
> The above properties have a
> .BI "libinput <property name> Default"
> equivalent that indicates the default value for this setting on this device.
>+.PP
>+The following property is directly provided by the X server.
>+.TP 7
>+.BI "Coordinate Transformation Matrix"
>+9 32-bit float values, representing a 3x3 calibration matrix, order is row
>+1, row 2, row 3. The third row is unused and should be kept at its (0,0,1)
>+default. The six remaining values define an affine transformation
>+(x',y')=M(x,y)+(x0,y0), where the 2x2 matrix M is encoded in the first two
>+values of the first two rows and (x0, y0) are the third values of the first
>+two rows. The coordinates (x,y) and (x',y') are numbers between
>+0 (completly to the left or at the top) and 1 (completly to the right or at
>+the bottom). This property is useful when rotating the screen, and it
>+should be updated each time
>+.B xrandr -o <something>
>+is run:
>+
>+When using
>+.B xrandr -o left
>+:
>+
>+  xinput set-prop <device> "Coordinate Transformation Matrix" 0 -1 1  1 0 0  0 0 1
>+
>+When using
>+.B xrandr -o right
>+:
>+
>+  xinput set-prop <device> "Coordinate Transformation Matrix" 0 1 0  -1 0 1  0 0 1
>+
>+When using
>+.B xrandr -o inverted
>+:
>+
>+  xinput set-prop <device> "Coordinate Transformation Matrix" -1 0 1  0 -1 1  0 0 1
>+
>+And of course, when using
>+.B xrandr -o normal
>+(the default orientation):
>+
>+  xinput set-prop <device> "Coordinate Transformation Matrix" 1 0 0  0 1 0  0 0 1
>+
> 
> .SH AUTHORS
> Peter Hutterer

Actions: View | Splinter Review

Attachments on bug 90007: 115125

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.