[gnome-games] gamepad: Add RawGamepad.standard_axis_event() signal

[Adrien Plazas <aplazas src gnome org>]

commit 4b4e50931fd74b4c2b4960bbaf11f9a6c6b58b7a
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sat Aug 27 08:15:04 2016 +0200

    gamepad: Add RawGamepad.standard_axis_event() signal
    
    This will be used in the next commits to let the gamepads forward the
    well formed axis events.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=770468

 src/gamepad/raw-gamepad.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/gamepad/raw-gamepad.vala b/src/gamepad/raw-gamepad.vala
index 8b5530e..4d39db0 100644
--- a/src/gamepad/raw-gamepad.vala
+++ b/src/gamepad/raw-gamepad.vala
@@ -17,6 +17,8 @@ private interface Games.RawGamepad : Object {
         */
        public abstract signal void button_event (int code, bool value);
 
+       public abstract signal void standard_axis_event (StandardGamepadAxis axis, double value);
+
        /**
         * Emitted when an axis's value changes
         * @param  axis          The axis number from 0 to axes_number