Better trackpad configuration for Linux on MBP

.ansible/roles/linux_desktop/files/mtrack.conf

@@ -0,0 +1,61 @@
+Section "InputClass"
+    MatchIsTouchpad "true"
+    Identifier "Apple Trackpad"
+    MatchProduct "Apple|bcm5974"
+    Driver "mtrack"
+        # Tweak cursor movement speed with this
+        # Option          "Sensitivity" "0.05"
+        # Pressure at which a finger is detected as a touch
+        Option          "FingerHigh" "5"
+        # Pressure at which a finger is detected as a release
+        Option          "FingerLow" "5"
+        # I often use thumb to press down the physical button, so let's not ignore it
+        Option          "IgnoreThumb" "false"
+        Option          "ThumbRatio" "70"
+        Option          "ThumbSize" "25"
+        # Ignore palm, with palm takes up to 30% of your touch pad
+        Option          "IgnorePalm" "true"
+        Option          "PalmSize" "30"
+        Option          "ClickTime" "25"
+        # Disable tap-to-drag, we're using three finger drag instead
+        Option          "TapDragEnable" "false"
+        # While touching the touch pad with # fingers, press the touchpad physical click button
+        Option          "ClickFinger1" "1"
+        Option          "ClickFinger2" "3"
+        Option          "ClickFinger3" "2"
+        Option          "ButtonMoveEmulate" "false"
+        Option          "ButtonIntegrated" "true"
+        # The momentum after scroll fingers released
+        Option          "ScrollCoastDuration" "300"
+        Option          "ScrollCoastEnableSpeed" ".1"
+        # Natural scrolling with two fingers
+        Option          "ScrollSmooth" "true"
+        Option          "ScrollUpButton" "5"
+        Option          "ScrollDownButton" "4"
+        Option          "ScrollLeftButton" "7"
+        Option          "ScrollRightButton" "6"
+        # Tweak scroll sensitivity with ScrollDistance, don't touch ScrollSensitivity
+        Option          "ScrollDistance" "250"
+        Option          "ScrollClickTime" "10"
+        # Three finger drag
+        Option          "SwipeDistance" "1"
+        Option          "SwipeLeftButton" "1"
+        Option          "SwipeRightButton" "1"
+        Option          "SwipeUpButton" "1"
+        Option          "SwipeDownButton" "1"
+        Option          "SwipeClickTime" "0"
+        Option          "SwipeSensitivity" "1500"
+        # Four finger swipe, 8 & 9 are for browsers navigating back and forth respectively
+        Option          "Swipe4LeftButton" "9"
+        Option          "Swipe4RightButton" "8"
+        # Mouse button >= 10 are not used by Xorg, so we'll map them with xbindkeys and xdotool later
+        Option          "Swipe4UpButton" "11"
+        Option          "Swipe4DownButton" "10"
+        # Mouse buttons triggered by 2-finger pinching gesture
+        Option          "ScaleDistance" "300"
+        Option          "ScaleUpButton" "12"
+        Option          "ScaleDownButton" "13"
+        # Mouse buttons trigger by 2-finger rotating gesture, disabled to enhance the pinch gesture
+        Option          "RotateLeftButton" "0"
+        Option          "RotateRightButton" "0"
+EndSection

.ansible/roles/linux_desktop/tasks/config.yaml

@@ -92,20 +92,6 @@
     dest: '~/.conkyrc'
     mode: '0400'
 
-- name: 'Synaptics touchpad natural scrolling'
-  tags:
-    - config
-    - desktop
-  copy:
-    dest: '/etc/X11/Xsession.d/80synaptics'
-    content: |
-      synclient VertScrollDelta=-247
-      synclient HorizScrollDelta=-247
-    mode: '0644'
-    owner: 'root'
-    group: 'root'
-  become: true
-
 - name: 'Abert'
   tags:
     - config

.ansible/roles/linux_desktop/tasks/includes/platform_apple inc._laptop.yaml

@@ -1,8 +1,36 @@
-- name: 'Platform: Apple Inc. Laptop'
+- name: 'Platform: Apple Inc. Laptop: Software'
   tags:
     - platform
   package:
     name: "{{ item }}"
     state: present
-  loop: ['mbpfan']
+  loop:
+    - 'mbpfan'
+    - 'xserver-xorg-input-mtrack'
+  become: true
+
+- name: 'Platform: Apple Inc. Laptop: Trackpad'
+  tags:
+    - platform
+  block:
+    - name: 'Platform: Apple Inc. Laptop: Remove Synaptics driver'
+      apt:
+        name: 'xserver-xorg-input-synaptics'
+        state: absent
+        purge: true
+      become: true
+
+    - name: 'Platform: Apple Inc. Laptop: Remove old trackpad config'
+      file:
+        path: '/usr/share/X11/xorg.conf.d/50-mtrack.conf'
+        state: absent
+      become: true
+
+    - name: 'Platform: Apple Inc. Laptop: Trackpad config'
+      copy:
+        src: files/mtrack.conf
+        dest: '/usr/share/X11/xorg.conf.d/10-mtrack.conf'
+        owner: 'root'
+        group: 'root'
+        mode: 0644
       become: true

.ansible/roles/linux_desktop/tasks/includes/platform_google_laptop.yaml

@@ -22,3 +22,14 @@
         regexp: '^options iwlwifi '
         line: 'options iwlwifi 11n_disable=8 swcrypto=1'
       become: true
+
+    - name: 'Synaptics touchpad natural scrolling'
+      copy:
+        dest: '/etc/X11/Xsession.d/80synaptics'
+        content: |
+          synclient VertScrollDelta=-247
+          synclient HorizScrollDelta=-247
+        mode: '0644'
+        owner: 'root'
+        group: 'root'
+      become: true