diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8bb3df6..074b90d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,6 +24,7 @@ set(HDRS
     "Hardware/ApplicationPlugin.hpp"
 
     "Hardware/Widgets/ScenarioWidget.hpp"
+    "Hardware/Widgets/StateWidget.hpp"
     "Hardware/Widgets/IntervalWidget.hpp"
 
     "score_addon_hardware.hpp"
@@ -39,6 +40,7 @@ set(SRCS
     "${CMAKE_CURRENT_SOURCE_DIR}/Hardware/ApplicationPlugin.cpp"
 
     "${CMAKE_CURRENT_SOURCE_DIR}/Hardware/Widgets/ScenarioWidget.cpp"
+    "${CMAKE_CURRENT_SOURCE_DIR}/Hardware/Widgets/StateWidget.cpp"
     "${CMAKE_CURRENT_SOURCE_DIR}/Hardware/Widgets/IntervalWidget.cpp"
 
     "${CMAKE_CURRENT_SOURCE_DIR}/score_addon_hardware.cpp"
diff --git a/Hardware/3rdparty/bugui b/Hardware/3rdparty/bugui
index dfa356a..586572a 160000
--- a/Hardware/3rdparty/bugui
+++ b/Hardware/3rdparty/bugui
@@ -1 +1 @@
-Subproject commit dfa356a6fe5d8fd215fae4e59d0b662938b17d7b
+Subproject commit 586572a187266d3752e735774a6de62e1463af27
diff --git a/Hardware/Controller.cpp b/Hardware/Controller.cpp
index ab81a8b..054fb8f 100644
--- a/Hardware/Controller.cpp
+++ b/Hardware/Controller.cpp
@@ -17,9 +17,7 @@ Controller::Controller(const score::DocumentContext& document,
 {
   auto scnr = qobject_cast<Scenario::ProcessModel*>(&*interval.processes.begin());
 
-  if (scnr)
-    bugui::container_widget::children.emplace_back(
-        std::make_unique<ScenarioWidget>(this, scnr));
+  if (scnr) add_widget<ScenarioWidget>(scnr);
 
   update();
 }
@@ -47,65 +45,74 @@ void Controller::on_shift(bool pressed)
 
 void Controller::on_up(bool pressed)
 {
+  if (!pressed) return;
+
   if (m_shift)
   {
-    v_scale += .2;
+    vertical_scale += .2;
     update();
   }
   else
   {
-    v_ofset += .02;
+    if (vertical_ofset > -1) return;
+
+    vertical_ofset += 1;
     update();
   }
 }
 
 void Controller::on_down(bool pressed)
 {
+  if (!pressed) return;
+
   if (m_shift)
   {
-    if (v_scale > .2)
+    if (vertical_scale > .2)
     {
-      v_scale -= .2;
+      vertical_scale -= .2;
       update();
     }
   }
   else
   {
-    v_ofset -= .02;
+    vertical_ofset -= 1;
     update();
   }
 }
 
 void Controller::on_left(bool pressed)
 {
+  if (!pressed) return;
+
   if (m_shift)
   {
-    if (h_scale > .02)
+    if (horizontal_scale > .02)
     {
-      h_scale -= .02;
+      horizontal_scale -= .02;
       update();
     }
   }
   else
   {
-    if (h_ofset > 0)
-    {
-      h_ofset -= .02;
-      update();
-    }
+    if (horizontal_ofset > -1) return;
+
+    horizontal_ofset += 1;
+    update();
   }
 }
 
 void Controller::on_right(bool pressed)
 {
+  if (!pressed) return;
+
   if (m_shift)
   {
-    h_scale += .02;
+    horizontal_scale += .02;
     update();
   }
   else
   {
-    h_ofset += .02;
+    horizontal_ofset -= 1;
     update();
   }
 }
diff --git a/Hardware/Widgets/IntervalWidget.cpp b/Hardware/Widgets/IntervalWidget.cpp
index 61c79da..ac72046 100644
--- a/Hardware/Widgets/IntervalWidget.cpp
+++ b/Hardware/Widgets/IntervalWidget.cpp
@@ -2,13 +2,12 @@
 
 namespace Hardware
 {
-IntervalWidget::IntervalWidget(container_widget *parent,
-                               Scenario::IntervalModel& interval)
+IntervalWidget::IntervalWidget(Scenario::IntervalModel& interval,
+                               container_widget* parent)
     : bugui::container_widget{parent}
     , model{interval}
     , skin{Process::Style::instance()}
-{
-}
+{ }
 
 int IntervalWidget::x() const
 {
@@ -34,7 +33,7 @@ void IntervalWidget::paint(bugui::painter& painter) const
   painter.draw_line({x(), y()}, {x() + width(), y()});
 }
 
-bool IntervalWidget::is_inside(int px, int py) const
+bool IntervalWidget::contains(int px, int py) const
 {
   if (px >= x() &&
      px <= (x() + width()) &&
@@ -46,7 +45,7 @@ bool IntervalWidget::is_inside(int px, int py) const
 
 bool IntervalWidget::on_press(int x, int y, bool pressed)
 {
-  if (!is_inside(x, y)) return false;
+  if (!contains(x, y)) return false;
 
   qDebug() << "is inside!";
 
@@ -55,7 +54,7 @@ bool IntervalWidget::on_press(int x, int y, bool pressed)
 
 bool IntervalWidget::on_double_press(int x, int y)
 {
-  if (!is_inside(x, y)) return false;
+  if (!contains(x, y)) return false;
 
   qDebug() << "double pressed !";
 
@@ -64,7 +63,7 @@ bool IntervalWidget::on_double_press(int x, int y)
 
 bool IntervalWidget::on_drag(int from_x, int from_y, int to_x, int to_y)
 {
-  if (!is_inside(from_x, from_y)) return false;
+  if (!contains(from_x, from_y)) return false;
 
   if (from_y != to_y)
     model.requestHeightChange(to_y / static_cast<double>(parent->height()));
@@ -72,7 +71,7 @@ bool IntervalWidget::on_drag(int from_x, int from_y, int to_x, int to_y)
   return true;
 }
 
-const Scenario::IntervalModel &IntervalWidget::get_model() const
+const Scenario::IntervalModel& IntervalWidget::get_model() const
 {
   return model;
 }
diff --git a/Hardware/Widgets/IntervalWidget.hpp b/Hardware/Widgets/IntervalWidget.hpp
index b24ecac..57dd3df 100644
--- a/Hardware/Widgets/IntervalWidget.hpp
+++ b/Hardware/Widgets/IntervalWidget.hpp
@@ -8,8 +8,8 @@ namespace Hardware
 {
 struct IntervalWidget final : bugui::container_widget
 {
-  explicit IntervalWidget(container_widget* parent,
-                          Scenario::IntervalModel& interval);
+  explicit IntervalWidget(Scenario::IntervalModel& interval,
+                          container_widget* parent);
 
   void paint(bugui::painter& painter) const override;
   bool on_press(int x, int y, bool pressed) override;
@@ -23,7 +23,7 @@ struct IntervalWidget final : bugui::container_widget
   const Scenario::IntervalModel& get_model() const;
 
 protected:
-  bool is_inside(int px, int py) const override;
+  bool contains(int px, int py) const override;
 
 private:
   Scenario::IntervalModel& model;
diff --git a/Hardware/Widgets/ScenarioWidget.cpp b/Hardware/Widgets/ScenarioWidget.cpp
index 5ab431b..5a623b4 100644
--- a/Hardware/Widgets/ScenarioWidget.cpp
+++ b/Hardware/Widgets/ScenarioWidget.cpp
@@ -3,8 +3,8 @@
 
 namespace Hardware
 {
-ScenarioWidget::ScenarioWidget(bugui::container_widget* parent,
-                               Scenario::ProcessModel* scenario)
+ScenarioWidget::ScenarioWidget(Scenario::ProcessModel* scenario,
+                               bugui::container_widget* parent)
     : bugui::container_widget{parent}
     , model{scenario}
 {
@@ -16,7 +16,7 @@ ScenarioWidget::ScenarioWidget(bugui::container_widget* parent,
           [this] { update(); });
 
   for(Scenario::IntervalModel& s : model->intervals)
-    bugui::container_widget::children.emplace_back(std::make_unique<IntervalWidget>(this, s));
+    add_widget<IntervalWidget>(s);
 }
 
 int ScenarioWidget::x() const
@@ -26,7 +26,7 @@ int ScenarioWidget::x() const
 
 int ScenarioWidget::y() const
 {
-  return bugui::base_widget::parent->x();
+  return bugui::base_widget::parent->y();
 }
 
 int ScenarioWidget::width() const
@@ -41,14 +41,13 @@ int ScenarioWidget::height() const
 
 void ScenarioWidget::on_interval_added(Scenario::IntervalModel& interval)
 {
-  bugui::container_widget::children.emplace_back(std::make_unique<IntervalWidget>(this, interval));
+  add_widget<IntervalWidget>(interval);
   update();
 }
 
 void ScenarioWidget::on_interval_removed(const Scenario::IntervalModel& interval)
 {
-  std::erase_if(bugui::container_widget::children,
-                [&interval]
+  remove_widget([&interval]
                 (const auto& w)
   {
     auto ntrvl = static_cast<IntervalWidget*>(w.get());
diff --git a/Hardware/Widgets/ScenarioWidget.hpp b/Hardware/Widgets/ScenarioWidget.hpp
index 08abcec..c6a8f51 100644
--- a/Hardware/Widgets/ScenarioWidget.hpp
+++ b/Hardware/Widgets/ScenarioWidget.hpp
@@ -14,8 +14,8 @@ class ScenarioWidget final
   W_OBJECT(ScenarioWidget)
 
 public:
-  explicit ScenarioWidget(bugui::container_widget* parent,
-                          Scenario::ProcessModel* scenario);
+  explicit ScenarioWidget(Scenario::ProcessModel* scenario,
+                          bugui::container_widget* parent);
 
   int x() const override;
   int y() const override;
diff --git a/Hardware/Widgets/StateWidget.cpp b/Hardware/Widgets/StateWidget.cpp
new file mode 100644
index 0000000..914b7ca
--- /dev/null
+++ b/Hardware/Widgets/StateWidget.cpp
@@ -0,0 +1,74 @@
+#include "StateWidget.hpp"
+
+namespace Hardware
+{
+StateWidget::StateWidget(Scenario::StateModel& state,
+                         container_widget* parent)
+    : bugui::container_widget{parent}
+    , model{state}
+    , skin{Process::Style::instance()}
+{ }
+
+int StateWidget::x() const
+{
+  return parent->x();
+}
+
+int StateWidget::y() const
+{
+  return model.heightPercentage() * parent->height();
+}
+
+void StateWidget::paint(bugui::painter& painter) const
+{
+  // Copied from MiniscenarioView
+  const auto col = skin.IntervalBase().color();
+  painter.set_color(col.red(), col.green(), col.blue(), col.alpha());
+
+  painter.draw_line({x(), y()}, {x() + width(), y()});
+}
+
+bool StateWidget::contains(int px, int py) const
+{
+  if (px >= x() &&
+     px <= (x() + width()) &&
+     py == y())
+    return true;
+
+  return false;
+}
+
+bool StateWidget::on_press(int x, int y, bool pressed)
+{
+  if (!contains(x, y)) return false;
+
+  qDebug() << "is inside!";
+
+  return true;
+}
+
+bool StateWidget::on_double_press(int x, int y)
+{
+  if (!contains(x, y)) return false;
+
+  qDebug() << "double pressed !";
+
+  return true;
+}
+
+bool StateWidget::on_drag(int from_x, int from_y, int to_x, int to_y)
+{
+  if (!contains(from_x, from_y)) return false;
+
+  if (from_y != to_y)
+    model.setHeightPercentage(to_y / static_cast<double>(parent->height()));
+
+  return true;
+}
+
+const Scenario::StateModel& StateWidget::get_model() const
+{
+  return model;
+}
+
+}
diff --git a/Hardware/Widgets/StateWidget.hpp b/Hardware/Widgets/StateWidget.hpp
new file mode 100644
index 0000000..b7a9b94
--- /dev/null
+++ b/Hardware/Widgets/StateWidget.hpp
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <Scenario/Document/State/StateModel.hpp>
+#include <Process/Style/ScenarioStyle.hpp>
+#include <widgets/container_widget.hpp>
+
+namespace Hardware
+{
+struct StateWidget final : bugui::container_widget
+{
+  explicit StateWidget(Scenario::StateModel& state,
+                       container_widget* parent);
+
+  void paint(bugui::painter& painter) const override;
+  bool on_press(int x, int y, bool pressed) override;
+  bool on_double_press(int x, int y) override;
+  bool on_drag(int from_x, int from_y, int to_x, int to_y) override;
+
+  int x() const override;
+  int y() const override;
+
+  const Scenario::StateModel& get_model() const;
+
+protected:
+  bool contains(int px, int py) const override;
+
+private:
+  Scenario::StateModel& model;
+  const Process::Style& skin;
+};
+
+} //namespace Hardware
+