Register for layout unmanage handling in runner

lib/uh/wm/runner.rb

@@ -115,6 +115,10 @@ module Uh
           log "Managing client #{client}"
           layout << client
         end
+        @events.on :unmanage do |client|
+          log "Unmanaging client #{client}"
+          layout.remove client
+        end
       end
 
       def register_keybinds_hooks

spec/uh/wm/runner_spec.rb

@@ -2,6 +2,7 @@ SomeLayout = Class.new do
   define_method(:register)    { |*args| }
   define_method(:suggest_geo) { Uh::Geo.new(0, 0, 42, 42) }
   define_method(:<<)          { |*args| }
+  define_method(:remove)      { |*args| }
 end
 
 module Uh
@@ -93,6 +94,12 @@ module Uh
             expect(env.layout).to receive(:<<).with :client
             runner.events.emit :manage, args: :client
           end
+
+          it 'registers for :unmanage event' do
+            runner.register_event_hooks
+            expect(env.layout).to receive(:remove).with :client
+            runner.events.emit :unmanage, args: :client
+          end
         end
 
         context 'keys hooks' do