From b1b33b20d2173ec63f090cccb27462ce4e0b587d Mon Sep 17 00:00:00 2001
From: Pig Monkey <pm@pig-monkey.com>
Date: Fri, 13 Apr 2018 21:43:28 -0700
Subject: [PATCH] support configurable middle click scoll button

I'm using button 12, which on my Elecom HUGE trackball is labeled
"Fn3". Existing users can set this variable to 2 if they wish to retain
the previous behaviour.
---
 group_vars/all                              | 2 +-
 roles/x/tasks/main.yml                      | 4 ++--
 roles/x/{files => templates}/30-scroll.conf | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)
 rename roles/x/{files => templates}/30-scroll.conf (71%)

diff --git a/group_vars/all b/group_vars/all
index e530ee8..4f2966b 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -207,7 +207,7 @@ himawaripy:
     run_on: trusted
     flags: --auto-offset --level 4
 
-middle_click_scroll: True
+middle_click_scroll: 12
 
 display_manager: lightdm
 gdm:
diff --git a/roles/x/tasks/main.yml b/roles/x/tasks/main.yml
index d33e765..5031157 100644
--- a/roles/x/tasks/main.yml
+++ b/roles/x/tasks/main.yml
@@ -30,8 +30,8 @@
     - user
 
 - name: Enable middle-click scrolling
-  copy: src=30-scroll.conf dest=/etc/X11/xorg.conf.d/30-scroll.conf
-  when: middle_click_scroll is defined and middle_click_scroll == True
+  template: src=30-scroll.conf dest=/etc/X11/xorg.conf.d/30-scroll.conf
+  when: middle_click_scroll is defined
 
 - include: sxhkd.yml
 - include: unclutter.yml
diff --git a/roles/x/files/30-scroll.conf b/roles/x/templates/30-scroll.conf
similarity index 71%
rename from roles/x/files/30-scroll.conf
rename to roles/x/templates/30-scroll.conf
index 1e39d0f..def7dd3 100644
--- a/roles/x/files/30-scroll.conf
+++ b/roles/x/templates/30-scroll.conf
@@ -2,5 +2,5 @@ Section "InputClass"
         Identifier "libinput middle click scroll"
         Driver "libinput"
         Option "ScrollMethod" "button"
-        Option "ScrollButton" "2"
+        Option "ScrollButton" "{{ middle_click_scroll }}"
 EndSection