Class: UinputTouchpad

Inherits:
Ruinput::UinputDevice
  • Object
show all
Includes:
Ruinput
Defined in:
lib/fusuma/plugin/remap/uinput_touchpad.rb

Instance Method Summary collapse

Instance Method Details

#create_from_device(name:, device:) ⇒ Object

create from original event device copy absinfo using eviocgabs



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
 
# File 'lib/fusuma/plugin/remap/uinput_touchpad.rb', line 8

def create_from_device(name:, device:)
  id = Revdev::InputId.new(
    {
      bustype: Revdev::BUS_I8042,
      vendor: device.device_id.vendor,
      product: device.device_id.product,
      version: device.device_id.version
    }
  )

  absinfo = {
    Revdev::ABS_X => device.absinfo_for_axis(Revdev::ABS_X),
    Revdev::ABS_Y => device.absinfo_for_axis(Revdev::ABS_Y),
    Revdev::ABS_MT_POSITION_X => device.absinfo_for_axis(Revdev::ABS_MT_POSITION_X),
    Revdev::ABS_MT_POSITION_Y => device.absinfo_for_axis(Revdev::ABS_MT_POSITION_Y),
    Revdev::ABS_MT_SLOT => device.absinfo_for_axis(Revdev::ABS_MT_SLOT),
    Revdev::ABS_MT_TOOL_TYPE => device.absinfo_for_axis(Revdev::ABS_MT_TOOL_TYPE),
    Revdev::ABS_MT_TRACKING_ID => device.absinfo_for_axis(Revdev::ABS_MT_TRACKING_ID)
  }

  uud = Ruinput::UinputUserDev.new({
    name: name,
    id: id,
    ff_effects_max: 0,
    absmax: Array.new(Revdev::ABS_CNT, 0).tap { |a| absinfo.each { |k, v| a[k] = v[:absmax] } },
    absmin: Array.new(Revdev::ABS_CNT, 0).tap { |a| absinfo.each { |k, v| a[k] = v[:absmin] } },
    absfuzz: Array.new(Revdev::ABS_CNT, 0).tap { |a| absinfo.each { |k, v| a[k] = v[:absfuzz] } },
    absflat: Array.new(Revdev::ABS_CNT, 0).tap { |a| absinfo.each { |k, v| a[k] = v[:absflat] } },
    resolution: Array.new(Revdev::ABS_CNT, 0).tap { |a| absinfo.each { |k, v| a[k] = v[:resolution] } }
  })

  @file.syswrite uud.to_byte_string

  set_all_events

  @file.ioctl UI_DEV_CREATE, nil
  @is_created = true
end

#set_all_events ⇒ Object 



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
145
146
147
148
149
150
 
# File 'lib/fusuma/plugin/remap/uinput_touchpad.rb', line 47

def set_all_events
  raise "invalid method call: this uinput is already created" if @is_created

  mouse_btns = [
    Revdev::BTN_0,
    Revdev::BTN_MISC,
    Revdev::BTN_1,
    Revdev::BTN_2,
    Revdev::BTN_3,
    Revdev::BTN_4,
    Revdev::BTN_5,
    Revdev::BTN_6,
    Revdev::BTN_7,
    Revdev::BTN_8,
    Revdev::BTN_9,
    Revdev::BTN_LEFT,
    Revdev::BTN_MOUSE,
    Revdev::BTN_MIDDLE,
    Revdev::BTN_RIGHT,
    Revdev::BTN_SIDE,
    Revdev::BTN_EXTRA,
    Revdev::BTN_FORWARD,
    Revdev::BTN_BACK,
    Revdev::BTN_TASK
    # Revdev::BTN_TRIGGER, # disable because libinput recognize this device as a joystick
  ].freeze

  touchpad_btns = [
    Revdev::BTN_TOUCH,
    Revdev::BTN_TOOL_FINGER,
    Revdev::BTN_TOOL_DOUBLETAP,
    Revdev::BTN_TOOL_TRIPLETAP,
    Revdev::BTN_TOOL_QUADTAP,
    0x148 # define BTN_TOOL_QUINTTAP	0x148	/* Five fingers on trackpad */
  ].freeze

  @file.ioctl UI_SET_EVBIT, Revdev::EV_KEY
  @counter = 0
  Revdev::KEY_CNT.times do |i|
    # https://github.com/mooz/xkeysnail/pull/101/files
    if mouse_btns.include?(i) || touchpad_btns.include?(i)
      # puts "setting #{i} (#{Revdev::REVERSE_MAPS[:KEY][i]})"
      @file.ioctl UI_SET_KEYBIT, i
    else
      # puts "skipping #{i} (#{Revdev::REVERSE_MAPS[:KEY][i]})"
    end
  end

  touchpad_abs = [
    Revdev::ABS_X,
    Revdev::ABS_Y,
    # Revdev::ABS_PRESSURE,
    Revdev::ABS_MT_SLOT,
    # Revdev::ABS_MT_TOUCH_MAJOR,
    # Revdev::ABS_MT_TOUCH_MINOR,
    Revdev::ABS_MT_POSITION_X,
    Revdev::ABS_MT_POSITION_Y,
    Revdev::ABS_MT_TRACKING_ID,
    Revdev::ABS_MT_TOOL_TYPE
  ].freeze

  # kernel bug: device has min == max on ABS_Y
  @file.ioctl UI_SET_EVBIT, Revdev::EV_ABS
  Revdev::ABS_CNT.times do |i|
    if touchpad_abs.include?(i)
      # puts "setting #{i} (#{Revdev::REVERSE_MAPS[:ABS][i]})"
      @file.ioctl UI_SET_ABSBIT, i
    else
      # puts "skipping #{i} (#{Revdev::REVERSE_MAPS[:ABS][i]})"
    end
  end

  touchpad_rels = [
    Revdev::REL_X,
    Revdev::REL_Y,
    Revdev::REL_WHEEL,
    Revdev::REL_HWHEEL
  ].freeze

  @file.ioctl UI_SET_EVBIT, Revdev::EV_REL
  Revdev::REL_CNT.times do |i|
    if touchpad_rels.include?(i)
      # puts "setting #{i} (#{Revdev::REVERSE_MAPS[:REL][i]})"
      @file.ioctl UI_SET_RELBIT, i
    else
      # puts "skipping #{i} (#{Revdev::REVERSE_MAPS[:REL][i]})"
    end
  end

  @file.ioctl UI_SET_EVBIT, Revdev::EV_REP

  touchpad_mscs = [
    0x05 # define MSC_TIMESTAMP		0x05
  ]
  @file.ioctl UI_SET_EVBIT, Revdev::EV_MSC
  Revdev::MSC_CNT.times do |i|
    if touchpad_mscs.include?(i)
      # puts "setting #{i} (#{Revdev::REVERSE_MAPS[:MSC][i]})"
      @file.ioctl UI_SET_MSCBIT, i
    else
      # puts "skipping #{i} (#{Revdev::REVERSE_MAPS[:MSC][i]})"
    end
  end
end