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Trackpoint scrolling on T450s et al

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This commit is contained in:
Aristid Breitkreuz 2015-05-25 19:55:26 +02:00
parent d7de6dad5f
commit 4835763e13
1 changed files with 31 additions and 17 deletions
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48
nixos/modules/tasks/trackpoint.nix
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@ -45,6 +45,16 @@ with lib;
'';
};
fakeButtons = mkOption {
default = false;
type = types.bool;
description = ''
Switch to "bare" PS/2 mouse support in case Trackpoint buttons are not recognized
properly. This can happen for example on models like the L430, T450, T450s, on
which the Trackpoint buttons are actually a part of the Synaptics touchpad.
'';
};
};
};
@ -52,11 +62,13 @@ with lib;
###### implementation
config = mkMerge [
(mkIf config.hardware.trackpoint.enable {
config =
let cfg = config.hardware.trackpoint; in
mkMerge [
(mkIf cfg.enable {
services.udev.extraRules =
''
ACTION=="add|change", SUBSYSTEM=="input", ATTR{name}=="TPPS/2 IBM TrackPoint", ATTR{device/speed}="${toString config.hardware.trackpoint.speed}", ATTR{device/sensitivity}="${toString config.hardware.trackpoint.sensitivity}"
ACTION=="add|change", SUBSYSTEM=="input", ATTR{name}=="TPPS/2 IBM TrackPoint", ATTR{device/speed}="${toString cfg.speed}", ATTR{device/sensitivity}="${toString cfg.sensitivity}"
'';
system.activationScripts.trackpoint =
@ -65,20 +77,22 @@ with lib;
'';
})
(mkIf config.hardware.trackpoint.emulateWheel {
services.xserver.config =
''
Section "InputClass"
Identifier "Trackpoint Wheel Emulation"
MatchProduct "Elantech PS/2 TrackPoint|TPPS/2 IBM TrackPoint|DualPoint Stick|Synaptics Inc. Composite TouchPad / TrackPoint|ThinkPad USB Keyboard with TrackPoint|USB Trackpoint pointing device|Composite TouchPad / TrackPoint"
MatchDevicePath "/dev/input/event*"
Option "EmulateWheel" "true"
Option "EmulateWheelButton" "2"
Option "Emulate3Buttons" "false"
Option "XAxisMapping" "6 7"
Option "YAxisMapping" "4 5"
EndSection
'';
(mkIf (cfg.emulateWheel) {
services.xserver.inputClassSections =
[''
Identifier "Trackpoint Wheel Emulation"
MatchProduct "${if cfg.fakeButtons then "PS/2 Generic Mouse" else "Elantech PS/2 TrackPoint|TPPS/2 IBM TrackPoint|DualPoint Stick|Synaptics Inc. Composite TouchPad / TrackPoint|ThinkPad USB Keyboard with TrackPoint|USB Trackpoint pointing device|Composite TouchPad / TrackPoint"}"
MatchDevicePath "/dev/input/event*"
Option "EmulateWheel" "true"
Option "EmulateWheelButton" "2"
Option "Emulate3Buttons" "false"
Option "XAxisMapping" "6 7"
Option "YAxisMapping" "4 5"
''];
})
(mkIf cfg.fakeButtons {
boot.extraModprobeConfig = "options psmouse proto=bare";
})
];
}