sidebar: Add a key event controller to user tagrows

And respond to the delete key to remove playlists

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

sidebar/test_user.py

@@ -29,6 +29,7 @@ class TestUserSidebar(unittest.TestCase):
         row = user.UserTagRow(tag, "audio-x-generic")
 
         self.assertIsInstance(row.remove, Gtk.Button)
+        self.assertIsInstance(row.KeyEvent, Gtk.EventControllerKey)
         self.assertEqual(row.remove.get_icon_name(), "list-remove")
         self.assertIn(row.remove, row.grid)
 

sidebar/user.py

@@ -1,7 +1,7 @@
 # Copyright 2021 (c) Anna Schumaker.
 from . import tagbox
 from . import tagrow
-from gi.repository import Gtk
+from gi.repository import Gtk, Gdk
 import trackdb
 
 Icons = { "Collection" : "media-playback-start",
@@ -18,6 +18,14 @@ class UserTagRow(tagrow.TagRow):
         self.remove.connect("clicked", self.remove_tag)
         self.grid.attach(self.remove, 2, 0, 1, 1)
 
+        self.KeyEvent = Gtk.EventControllerKey()
+        self.KeyEvent.connect("key-released", self.on_key_released)
+        self.add_controller(self.KeyEvent)
+
+    def on_key_released(self, controller, keyval, keycode, state):
+        if Gdk.keyval_name(keyval) == "Delete":
+            trackdb.tags.User.remove(self.tag)
+
     def remove_tag(self, button):
         trackdb.tags.User.remove(self.tag)