app-misc/piper: add ebuild and patches

app-misc/piper/files/piper-0.2.900-ratbagd-sync-with-libratbag.patch

@@ -0,0 +1,52 @@
+From 2d3af894136fad8fbce54963005c58a8c125376c Mon Sep 17 00:00:00 2001
+From: Jente Hidskes <hjdskes@gmail.com>
+Date: Thu, 7 Sep 2017 11:51:46 +0200
+Subject: [PATCH 11/30] ratbagd: sync with libratbag
+
+---
+ piper/ratbagd.py | 18 +-----------------
+ 1 file changed, 1 insertion(+), 17 deletions(-)
+
+diff --git a/piper/ratbagd.py b/piper/ratbagd.py
+index 5f889aa..e74039d 100644
+--- a/piper/ratbagd.py
++++ b/piper/ratbagd.py
+@@ -621,7 +621,6 @@ class RatbagdButton(_RatbagdDBus):
+     ACTION_TYPE_NONE = 0
+     ACTION_TYPE_BUTTON = 1
+     ACTION_TYPE_SPECIAL = 2
+-    ACTION_TYPE_KEY = 3
+     ACTION_TYPE_MACRO = 4
+ 
+     ACTION_SPECIAL_UNKNOWN = (1 << 30)
+@@ -764,26 +763,11 @@ class RatbagdButton(_RatbagdDBus):
+         """
+         self._set_dbus_property("SpecialMapping", "u", special)
+ 
+-    @GObject.Property
+-    def key(self):
+-        """A list of integers, the first being the keycode and the other
+-        entries, if any, are modifiers (if mapped to key)."""
+-        return self._get_dbus_property("KeyMapping")
+-
+-    @key.setter
+-    def key(self, keys):
+-        """Set the key mapping.
+-
+-        @param keys A list of integers, the first being the keycode and the rest
+-                    modifiers.
+-        """
+-        self._set_dbus_property("KeyMapping", "au", keys)
+-
+     @GObject.Property
+     def action_type(self):
+         """An enum describing the action type of the button. One of
+         ACTION_TYPE_NONE, ACTION_TYPE_BUTTON, ACTION_TYPE_SPECIAL,
+-        ACTION_TYPE_KEY, ACTION_TYPE_MACRO. This decides which
++        ACTION_TYPE_MACRO. This decides which
+         *Mapping property has a value.
+         """
+         return self._get_dbus_property("ActionType")
+-- 
+2.16.1
+