diff --git a/Hardware/3rdparty/bugui b/Hardware/3rdparty/bugui
index 556ec86..5641128 160000
--- a/Hardware/3rdparty/bugui
+++ b/Hardware/3rdparty/bugui
@@ -1 +1 @@
-Subproject commit 556ec861b06f04f97bc80480b23286589a8390f9
+Subproject commit 5641128efec62c92f12ff5082f2bee505c502a17
diff --git a/Hardware/Controller.cpp b/Hardware/Controller.cpp
index 91de040..8ccb640 100644
--- a/Hardware/Controller.cpp
+++ b/Hardware/Controller.cpp
@@ -13,10 +13,6 @@ Controller::Controller(const score::DocumentContext& document,
     : bugui::controller<Controller>{device_name}
     , doc{document}
     , interval{&interval}
-    , h_ofset{0.} // initial horizontal ofset
-    , v_ofset{0.} // initial verticalal ofset
-    , h_zoom{.125} // initial horizontal zoom
-    , v_zoom{1.1} // initial verticalal zoom
 {
   // Connet interval signals
   // adapted from
@@ -47,14 +43,22 @@ void Controller::paint(bugui::painter& painter) const
 
   for(const Scenario::IntervalModel& c : scnr->intervals)
   {
-    auto def = c.duration.defaultDuration().sec() * h_zoom;
-    auto st = (c.date().sec() * h_zoom) - h_ofset;
-    auto y = (c.heightPercentage() * v_zoom) + v_ofset;
+    int def = c.duration.defaultDuration().sec();
+    // auto def = c.duration.defaultDuration().sec() * h_zoom;
+    int st = c.date().sec() - h_ofset;
+    // auto st = (c.date().sec() * h_zoom) - h_ofset;
+    int y = (c.heightPercentage() * height()) + v_ofset;
+    // auto y = (c.heightPercentage() * v_zoom) + v_ofset;
     painter.draw_line({st, y}, {st + def, y});
   }
 }
 
-void Controller::play(bool pressed)
+void Controller::on_grid(float x, float y, bool pressed)
+{
+  qDebug() << "x: " << x << " y: " << y << " pressed: " << pressed;
+}
+
+void Controller::on_play(bool pressed)
 {
   if (m_shift)
     doc.app.actions.action<Actions::PlayGlobal>().action()->trigger();
@@ -62,7 +66,7 @@ void Controller::play(bool pressed)
     doc.app.actions.action<Actions::Play>().action()->trigger();
 }
 
-void Controller::stop(bool pressed)
+void Controller::on_stop(bool pressed)
 {
   if (m_shift)
     doc.app.actions.action<Actions::Reinitialize>().action()->trigger();
@@ -70,16 +74,16 @@ void Controller::stop(bool pressed)
     doc.app.actions.action<Actions::Stop>().action()->trigger();
 }
 
-void Controller::shift(bool pressed)
+void Controller::on_shift(bool pressed)
 {
   m_shift = pressed;
 }
 
-void Controller::up(bool pressed)
+void Controller::on_up(bool pressed)
 {
   if (m_shift)
   {
-    v_zoom += .2;
+    v_scale += .2;
     update();
   }
   else
@@ -89,13 +93,13 @@ void Controller::up(bool pressed)
   }
 }
 
-void Controller::down(bool pressed)
+void Controller::on_down(bool pressed)
 {
   if (m_shift)
   {
-    if (v_zoom > .2)
+    if (v_scale > .2)
     {
-      v_zoom -= .2;
+      v_scale -= .2;
       update();
     }
   }
@@ -106,13 +110,13 @@ void Controller::down(bool pressed)
   }
 }
 
-void Controller::left(bool pressed)
+void Controller::on_left(bool pressed)
 {
   if (m_shift)
   {
-    if (h_zoom > .02)
+    if (h_scale > .02)
     {
-      h_zoom -= .02;
+      h_scale -= .02;
       update();
     }
   }
@@ -126,11 +130,11 @@ void Controller::left(bool pressed)
   }
 }
 
-void Controller::right(bool pressed)
+void Controller::on_right(bool pressed)
 {
   if (m_shift)
   {
-    h_zoom += .02;
+    h_scale += .02;
     update();
   }
   else
@@ -140,7 +144,7 @@ void Controller::right(bool pressed)
   }
 }
 
-}
+} // namespace hardware
 
 #include <wobjectimpl.h>
 W_OBJECT_IMPL(Hardware::Controller)
diff --git a/Hardware/Controller.hpp b/Hardware/Controller.hpp
index f174a1e..f3c4217 100644
--- a/Hardware/Controller.hpp
+++ b/Hardware/Controller.hpp
@@ -23,13 +23,15 @@ public:
 
   void paint(bugui::painter& painter) const override;
 
-  void play(bool pressed);
-  void stop(bool pressed);
-  void shift(bool pressed);
-  void up(bool pressed);
-  void down(bool pressed);
-  void left(bool pressed);
-  void right(bool pressed);
+  void on_play(bool pressed);
+  void on_stop(bool pressed);
+  void on_shift(bool pressed);
+  void on_up(bool pressed);
+  void on_down(bool pressed);
+  void on_left(bool pressed);
+  void on_right(bool pressed);
+  
+  void on_grid(float x, float y, bool pressed);
 
 private:
   void on_interval_changed(const Scenario::IntervalModel&);
@@ -38,11 +40,6 @@ private:
   const score::DocumentContext& doc;
 
   bool m_shift{false};
-
-  float h_ofset;
-  float v_ofset;
-  float h_zoom;
-  float v_zoom;
 };
 
 }
diff --git a/score_addon_hardware.hpp b/score_addon_hardware.hpp
index 5ee637a..badcf7f 100644
--- a/score_addon_hardware.hpp
+++ b/score_addon_hardware.hpp
@@ -8,7 +8,6 @@
 
 #include <QObject>
 
-#include <utility>
 #include <vector>
 
 class score_addon_hardware final