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{ config, pkgs, ... }:
with pkgs.lib;
let cfg = config.services.xserver.synaptics; in
{
options = {
services.xserver.synaptics = {
enable = mkOption {
default = false;
example = true;
description = "Whether to enable touchpad support.";
};
dev = mkOption {
default = null;
example = "/dev/input/event0";
description =
''
Path for touchpad device. Set to null to apply to any
auto-detected touchpad.
'';
};
minSpeed = mkOption {
default = "0.6";
description = "Cursor speed factor for precision finger motion.";
};
maxSpeed = mkOption {
default = "1.0";
description = "Cursor speed factor for highest-speed finger motion.";
};
twoFingerScroll = mkOption {
default = false;
description = "Whether to enable two-finger drag-scrolling.";
};
vertEdgeScroll = mkOption {
default = ! cfg.twoFingerScroll;
description = "Whether to enable vertical edge drag-scrolling.";
};
};
};
config = mkIf cfg.enable {
services.xserver.modules = [ pkgs.xorg.xf86inputsynaptics ];
services.xserver.config =
''
# Automatically enable the synaptics driver for all touchpads.
Section "InputClass"
Identifier "synaptics touchpad catchall"
MatchIsTouchpad "on"
${optionalString (cfg.dev != null) ''MatchDevicePath "${cfg.dev}"''}
Driver "synaptics"
Option "MaxTapTime" "180"
Option "MaxTapMove" "220"
Option "MinSpeed" "${cfg.minSpeed}"
Option "MaxSpeed" "${cfg.maxSpeed}"
Option "AccelFactor" "0.0010"
Option "TapButton1" "1"
Option "TapButton2" "2"
Option "TapButton3" "3"
Option "VertTwoFingerScroll" "${if cfg.twoFingerScroll then "1" else "0"}"
Option "HorizTwoFingerScroll" "${if cfg.twoFingerScroll then "1" else "0"}"
Option "VertEdgeScroll" "${if cfg.vertEdgeScroll then "1" else "0"}"
EndSection
'';
};
}
|