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nixos/libinput: Add options for defining a custom acceleration functions

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Without these options the custom acceleration functions would have to be
defined with the additionalOptions option.
This commit is contained in:
Vili Sinervä 2024-05-12 17:30:33 +03:00 • committed by Valentin Gagarin
parent 34302b2424
commit 3aa3236289
1 changed files with 72 additions and 0 deletions
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72
nixos/modules/services/hardware/libinput.nix
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@ -31,6 +31,8 @@ let cfg = config.services.libinput;
`adaptive`: Pointer acceleration depends on the input speed. `adaptive`: Pointer acceleration depends on the input speed.
This is the default profile for most devices. This is the default profile for most devices.
`custom`: Allows the user to define a custom acceleration function. `custom`: Allows the user to define a custom acceleration function.
To define custom functions use the accelPoints<Fallback/Motion/Scroll>
and accelStep<Fallback/Motion/Scroll> options.
''; '';
}; };
@ -41,6 +43,70 @@ let cfg = config.services.libinput;
description = "Cursor acceleration (how fast speed increases from minSpeed to maxSpeed)."; description = "Cursor acceleration (how fast speed increases from minSpeed to maxSpeed).";
}; };
accelPointsFallback = mkOption {
type = types.nullOr types.str;
default = null;
example = "0.0 1.0 2.4 2.5";
description = ''
Sets the points of the fallback acceleration function. The string must be a space-separated
list of floating point non-negative numbers. This only applies to the custom profile.
'';
};
accelPointsMotion = mkOption {
type = types.nullOr types.str;
default = null;
example = "0.0 1.0 2.4 2.5";
description = ''
Sets the points of the (pointer) motion acceleration function. The string must be a
space-separated list of floating point non-negative numbers. This only applies to
the custom profile.
'';
};
accelPointsScroll = mkOption {
type = types.nullOr types.str;
default = null;
example = "0.0 1.0 2.4 2.5";
description = ''
Sets the points of the scroll acceleration function. The string must be a space-separated
list of floating point non-negative numbers. This only applies to the custom profile.
'';
};
accelStepFallback = mkOption {
type = types.nullOr types.str;
default = null;
example = "0.1";
description = ''
Sets the step between the points of the fallback acceleration function. When a step of
0.0 is provided, libinput's Fallback acceleration function is used. This only applies
to the custom profile.
'';
};
accelStepMotion = mkOption {
type = types.nullOr types.str;
default = null;
example = "0.1";
description = ''
Sets the step between the points of the (pointer) motion acceleration function. When a
step of 0.0 is provided, libinput's Fallback acceleration function is used. This only
applies to the custom profile.
'';
};
accelStepScroll = mkOption {
type = types.nullOr types.str;
default = null;
example = "0.1";
description = ''
Sets the step between the points of the scroll acceleration function. When a step of
0.0 is provided, libinput's Fallback acceleration function is used. This only applies
to the custom profile.
'';
};
buttonMapping = mkOption { buttonMapping = mkOption {
type = types.nullOr types.str; type = types.nullOr types.str;
default = null; default = null;
@ -204,6 +270,12 @@ let cfg = config.services.libinput;
${optionalString (cfg.${deviceType}.dev != null) ''MatchDevicePath "${cfg.${deviceType}.dev}"''} ${optionalString (cfg.${deviceType}.dev != null) ''MatchDevicePath "${cfg.${deviceType}.dev}"''}
Option "AccelProfile" "${cfg.${deviceType}.accelProfile}" Option "AccelProfile" "${cfg.${deviceType}.accelProfile}"
${optionalString (cfg.${deviceType}.accelSpeed != null) ''Option "AccelSpeed" "${cfg.${deviceType}.accelSpeed}"''} ${optionalString (cfg.${deviceType}.accelSpeed != null) ''Option "AccelSpeed" "${cfg.${deviceType}.accelSpeed}"''}
${optionalString (cfg.${deviceType}.accelPointsFallback != null) ''Option "AccelPointsFallback" "${cfg.${deviceType}.accelPointsFallback}"''}
${optionalString (cfg.${deviceType}.accelPointsMotion != null) ''Option "AccelPointsMotion" "${cfg.${deviceType}.accelPointsMotion}"''}
${optionalString (cfg.${deviceType}.accelPointsScroll != null) ''Option "AccelPointsScroll" "${cfg.${deviceType}.accelPointsScroll}"''}
${optionalString (cfg.${deviceType}.accelStepFallback != null) ''Option "AccelStepFallback" "${cfg.${deviceType}.accelStepFallback}"''}
${optionalString (cfg.${deviceType}.accelStepMotion != null) ''Option "AccelStepMotion" "${cfg.${deviceType}.accelStepMotion}"''}
${optionalString (cfg.${deviceType}.accelStepScroll != null) ''Option "AccelStepScroll" "${cfg.${deviceType}.accelStepScroll}"''}
${optionalString (cfg.${deviceType}.buttonMapping != null) ''Option "ButtonMapping" "${cfg.${deviceType}.buttonMapping}"''} ${optionalString (cfg.${deviceType}.buttonMapping != null) ''Option "ButtonMapping" "${cfg.${deviceType}.buttonMapping}"''}
${optionalString (cfg.${deviceType}.calibrationMatrix != null) ''Option "CalibrationMatrix" "${cfg.${deviceType}.calibrationMatrix}"''} ${optionalString (cfg.${deviceType}.calibrationMatrix != null) ''Option "CalibrationMatrix" "${cfg.${deviceType}.calibrationMatrix}"''}
${optionalString (cfg.${deviceType}.transformationMatrix != null) ''Option "TransformationMatrix" "${cfg.${deviceType}.transformationMatrix}"''} ${optionalString (cfg.${deviceType}.transformationMatrix != null) ''Option "TransformationMatrix" "${cfg.${deviceType}.transformationMatrix}"''}