blob: f5b394b6d98b2b5cb4e69cfd6630065e268135ca (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
{ config, lib, pkgs, ... }:
with lib;
let cfg = config.services.xserver.synaptics;
tapConfig = if cfg.tapButtons then enabledTapConfig else disabledTapConfig;
enabledTapConfig = ''
Option "MaxTapTime" "180"
Option "MaxTapMove" "220"
Option "TapButton1" "${builtins.elemAt cfg.buttonsMap 0}"
Option "TapButton2" "${builtins.elemAt cfg.buttonsMap 1}"
Option "TapButton3" "${builtins.elemAt cfg.buttonsMap 2}"
'';
disabledTapConfig = ''
Option "MaxTapTime" "0"
Option "MaxTapMove" "0"
Option "TapButton1" "0"
Option "TapButton2" "0"
Option "TapButton3" "0"
'';
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.
'';
};
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.";
};
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.";
};
tapButtons = mkOption {
default = true;
example = false;
description = "Whether to enable tap buttons.";
};
buttonsMap = mkOption {
default = [1 2 3];
example = [1 3 2];
description = "Remap touchpad buttons.";
apply = map toString;
};
palmDetect = mkOption {
default = false;
example = true;
description = "Whether to enable palm detection (hardware support required)";
};
horizontalScroll = mkOption {
default = true;
example = false;
description = "Whether to enable horizontal scrolling (on touchpad)";
};
additionalOptions = mkOption {
default = "";
example = ''
Option "RTCornerButton" "2"
Option "RBCornerButton" "3"
'';
description = ''
Additional options for synaptics touchpad driver.
'';
};
};
};
config = mkIf cfg.enable {
services.xserver.modules = [ pkgs.xorg.xf86inputsynaptics ];
environment.systemPackages = [ 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"
${optionalString (cfg.minSpeed != null) ''Option "MinSpeed" "${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" "${builtins.elemAt cfg.buttonsMap 1}"
Option "ClickFinger3" "${builtins.elemAt cfg.buttonsMap 2}"
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"}"
${if cfg.palmDetect then ''Option "PalmDetect" "1"'' else ""}
${if cfg.horizontalScroll then "" else ''Option "HorizScrollDelta" "0"''}
${cfg.additionalOptions}
EndSection
'';
};
}
|