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|
{ config, lib, pkgs, ... }:
with lib;
let cfg = config.services.xserver.multitouch;
disabledTapConfig = ''
Option "MaxTapTime" "0"
Option "MaxTapMove" "0"
Option "TapButton1" "0"
Option "TapButton2" "0"
Option "TapButton3" "0"
'';
in {
options = {
services.xserver.multitouch = {
enable = mkOption {
default = false;
description = "Whether to enable multitouch touchpad support.";
};
invertScroll = mkOption {
default = false;
type = types.bool;
description = "Whether to invert scrolling direction à la OSX Lion";
};
ignorePalm = mkOption {
default = false;
type = types.bool;
description = "Whether to ignore touches detected as being the palm (i.e when typing)";
};
tapButtons = mkOption {
type = types.bool;
default = true;
description = "Whether to enable tap buttons.";
};
buttonsMap = mkOption {
type = types.listOf types.int;
default = [3 2 0];
example = [1 3 2];
description = "Remap touchpad buttons.";
apply = map toString;
};
additionalOptions = mkOption {
type = types.str;
default = "";
example = ''
Option "ScaleDistance" "50"
Option "RotateDistance" "60"
'';
description = ''
Additional options for mtrack touchpad driver.
'';
};
};
};
config = mkIf cfg.enable {
services.xserver.modules = [ pkgs.xf86_input_mtrack ];
services.xserver.config =
''
# Automatically enable the multitouch driver
Section "InputClass"
MatchIsTouchpad "on"
Identifier "Touchpads"
Driver "mtrack"
Option "IgnorePalm" "${boolToString cfg.ignorePalm}"
Option "ClickFinger1" "${builtins.elemAt cfg.buttonsMap 0}"
Option "ClickFinger2" "${builtins.elemAt cfg.buttonsMap 1}"
Option "ClickFinger3" "${builtins.elemAt cfg.buttonsMap 2}"
${optionalString (!cfg.tapButtons) disabledTapConfig}
${optionalString cfg.invertScroll ''
Option "ScrollUpButton" "5"
Option "ScrollDownButton" "4"
Option "ScrollLeftButton" "7"
Option "ScrollRightButton" "6"
''}
${cfg.additionalOptions}
EndSection
'';
};
}
|