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nixos synaptics: allow null value for accelFactor, minSpeed and maxSpeed 

Some desktop managers like GNOME are able to tweak the speed
of the mouse or synaptics at runtime with good defaults.
This commit is contained in:
Luca Bruno 2014-08-04 02:46:35 +02:00
parent f20f30af2c
commit 769ab3a218
1 changed files with 6 additions and 3 deletions
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9
nixos/modules/services/x11/hardware/synaptics.nix
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@ -41,16 +41,19 @@ in {
};
accelFactor = mkOption {
type = types.nullOr types.string;
default = "0.001";
description = "Cursor acceleration (how fast speed increases from minSpeed to maxSpeed).";
};
minSpeed = mkOption {
type = types.nullOr types.string;
default = "0.6";
description = "Cursor speed factor for precision finger motion.";
};
maxSpeed = mkOption {
type = types.nullOr types.string;
default = "1.0";
description = "Cursor speed factor for highest-speed finger motion.";
};
@ -120,9 +123,9 @@ in {
MatchIsTouchpad "on"
${optionalString (cfg.dev != null) ''MatchDevicePath "${cfg.dev}"''}
Driver "synaptics"
Option "MinSpeed" "${cfg.minSpeed}"
Option "MaxSpeed" "${cfg.maxSpeed}"
Option "AccelFactor" "${cfg.accelFactor}"
${optionalString (cfg.minSpeed != null) ''Option "MinSpeed" "${cfg.minSpeed}"''}
${optionalString (cfg.maxSpeed != null) ''Option "MaxSpeed" "${cfg.maxSpeed}"''}
${optionalString (cfg.accelFactor != null) ''Option "AccelFactor" "${cfg.accelFactor}"''}
${optionalString cfg.tapButtons tapConfig}
Option "ClickFinger1" "${builtins.elemAt cfg.buttonsMap 0}"
Option "ClickFinger2" "${builtins.elemAt cfg.buttonsMap 1}"