Add keyboard_layout.lua

Change the keyboard layout depending on whether my external keyboard is
connected or not.

1 files changed, 35 insertions, 0 deletions

diff --git a/keyboard_layout.lua b/keyboard_layout.lua
new file mode 100644
index 0000000..a230f9b
--- /dev/null
+++ b/keyboard_layout.lua
@@ -0,0 +1,35 @@
+-- Copyright (c) 2021  Teddy Wing
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+
+-- Change keyboard layouts depending on presence of external keyboard.
+
+
+keyboard_usb_watcher = hs.usb.watcher.new(function(event)
+	if event['productName'] ~= 'iMate, USB To ADB Adaptor'
+		and event['vendorID'] ~= 1917
+		and event['productID'] ~= 1029
+	then
+		return
+	end
+
+	if event['eventType'] == 'added' then
+		hs.keycodes.setLayout('U.S.')
+	elseif event['eventType'] == 'removed' then
+		hs.keycodes.setLayout('QWAZERTY2')
+	end
+end)
+
+keyboard_usb_watcher:start()