From 635dea02d27ba499861085f8c7ead14d685bddf6 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Wed, 27 Jul 2016 12:22:59 +0200
Subject: [PATCH] Add cross when key is not usable

---
 helpers/key.py   | 14 ++++++++++++++
 music_sampler.kv |  8 ++++++++
 2 files changed, 22 insertions(+)

diff --git a/helpers/key.py b/helpers/key.py
index 113cf8e..2b9d152 100644
--- a/helpers/key.py
+++ b/helpers/key.py
@@ -107,6 +107,20 @@ class Key(ButtonBehavior, Widget):
     description = ListProperty([])
     state = StringProperty("")
 
+    def get_alias_line_cross_color(self):
+        if self.is_loaded_running() or self.is_loaded_protecting_repeat():
+            return [120/255, 120/255, 120/255, 1]
+        else:
+            return [0, 0, 0, 0]
+
+    def set_alias_line_cross_color(self):
+        pass
+
+    line_cross_color = AliasProperty(
+            get_alias_line_cross_color,
+            set_alias_line_cross_color,
+            bind=['state'])
+
     def get_alias_line_color(self):
         if self.is_loaded_running():
             return [0, 0, 0, 1]
diff --git a/music_sampler.kv b/music_sampler.kv
index 882112d..fa38627 100644
--- a/music_sampler.kv
+++ b/music_sampler.kv
@@ -30,6 +30,14 @@
     Line:
       rounded_rectangle: self.x + self.line_width, self.y + self.line_width, self.width - 2 * self.line_width, self.height - 2 * self.line_width, 10
       width: self.line_width
+    Color:
+      rgba: self.line_cross_color
+    Line:
+      points: self.x + self.line_width + 3, self.y + self.line_width + 3, self.x + self.width - 2 * self.line_width - 3, self.y + self.height - 2 * self.line_width - 3
+      width: self.line_width
+    Line:
+      points: self.x + self.line_width + 3, self.y + self.height - 2 * self.line_width - 3, self.x + self.width - 2 * self.line_width - 3, self.y + self.line_width + 3
+      width: self.line_width
   Label:
     id: key_label
     font_name: h.path() + "fonts/Ubuntu-B.ttf"
-- 
2.41.0