diff --git a/Hardware/3rdparty/bugui b/Hardware/3rdparty/bugui
index 465dfda..d1cdce9 160000
--- a/Hardware/3rdparty/bugui
+++ b/Hardware/3rdparty/bugui
@@ -1 +1 @@
-Subproject commit 465dfda542cae212d2f06298f1d7e0136f2e66c2
+Subproject commit d1cdce9329c01e98343d798adbe76c7df0013aec
diff --git a/Hardware/Controller.cpp b/Hardware/Controller.cpp
index bf2eb90..a2c1a78 100644
--- a/Hardware/Controller.cpp
+++ b/Hardware/Controller.cpp
@@ -22,9 +22,22 @@ Controller::Controller(const score::DocumentContext& document,
   update();
 }
 
-void Controller::on_grid(float x, float y, bool pressed)
+bool Controller::on_press(int x, int y, bool pressed)
 {
-  qDebug() << "x: " << x << " y: " << y << " pressed: " << pressed;
+  for (auto& w : widgets)
+    if (w->on_press(x, y, pressed))
+      return true;
+
+  return false;
+}
+
+bool Controller::on_double_press(int x, int y)
+{
+  for (auto& w : widgets)
+    if (w->on_double_press(x, y))
+      return true;
+
+  return false;
 }
 
 void Controller::on_play(bool pressed)
diff --git a/Hardware/Controller.hpp b/Hardware/Controller.hpp
index 747f908..73901c7 100644
--- a/Hardware/Controller.hpp
+++ b/Hardware/Controller.hpp
@@ -29,7 +29,8 @@ public:
   void on_left(bool pressed);
   void on_right(bool pressed);
   
-  void on_grid(float x, float y, bool pressed);
+  bool on_press(int x, int y, bool pressed) override;
+  bool on_double_press(int x, int y) override;
 
 private:
   Scenario::IntervalModel* interval;
diff --git a/Hardware/Widgets/IntervalWidget.cpp b/Hardware/Widgets/IntervalWidget.cpp
index 5589e69..0fe6533 100644
--- a/Hardware/Widgets/IntervalWidget.cpp
+++ b/Hardware/Widgets/IntervalWidget.cpp
@@ -34,6 +34,34 @@ void IntervalWidget::paint(bugui::painter& painter) const
   painter.draw_line({x(), y()}, {x() + width(), y()});
 }
 
+bool IntervalWidget::is_inside(int px, int py) const
+{
+  if (px >= x() &&
+     px <= (x() + width()) &&
+     py == y())
+    return true;
+
+  return false;
+}
+
+bool IntervalWidget::on_press(int x, int y, bool pressed)
+{
+  if (!is_inside(x, y)) return false;
+
+  qDebug() << "is inside!";
+
+  return true;
+}
+
+bool IntervalWidget::on_double_press(int x, int y)
+{
+  if (!is_inside(x, y)) return false;
+
+  qDebug() << "double pressed !";
+
+  return true;
+}
+
 const Scenario::IntervalModel &IntervalWidget::get_model() const
 {
   return model;
diff --git a/Hardware/Widgets/IntervalWidget.hpp b/Hardware/Widgets/IntervalWidget.hpp
index c8ba59c..23f4c13 100644
--- a/Hardware/Widgets/IntervalWidget.hpp
+++ b/Hardware/Widgets/IntervalWidget.hpp
@@ -12,6 +12,8 @@ struct IntervalWidget final : bugui::base_widget
                           Scenario::IntervalModel& interval);
 
   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;
 
   int x() const override;
   int y() const override;
@@ -19,6 +21,9 @@ struct IntervalWidget final : bugui::base_widget
 
   const Scenario::IntervalModel& get_model() const;
 
+protected:
+  bool is_inside(int px, int py) const override;
+
 private:
   Scenario::IntervalModel& model;
   const Process::Style& skin;
diff --git a/Hardware/Widgets/ScenarioWidget.cpp b/Hardware/Widgets/ScenarioWidget.cpp
index 9625b5e..17bd715 100644
--- a/Hardware/Widgets/ScenarioWidget.cpp
+++ b/Hardware/Widgets/ScenarioWidget.cpp
@@ -19,11 +19,31 @@ ScenarioWidget::ScenarioWidget(base_widget* parent,
     widgets.emplace_back(std::make_unique<IntervalWidget>(this, s));
 }
 
-void ScenarioWidget::paint(bugui::painter &painter) const
+void ScenarioWidget::paint(bugui::painter& painter) const
 {
   for (const auto& w : widgets) w->paint(painter);
 }
 
+bool ScenarioWidget::on_press(int x, int y, bool pressed)
+{
+  if (!is_inside(x, y)) return false;
+
+  for (auto& w : widgets)
+    if (w->on_press(x, y, pressed)) return true;
+
+  return true;
+}
+
+bool ScenarioWidget::on_double_press(int x, int y)
+{
+  if (!is_inside(x, y)) return false;
+
+  for (auto& w : widgets)
+    if (w->on_double_press(x, y)) return true;
+
+  return true;
+}
+
 int ScenarioWidget::x() const
 {
   return bugui::base_widget::parent->x();
@@ -55,7 +75,10 @@ void ScenarioWidget::on_interval_removed(const Scenario::IntervalModel& interval
   std::erase_if(widgets,
                 [&interval]
                 (auto& w)
-  { return static_cast<IntervalWidget*>(w.get())->get_model().id() == interval.id(); });
+  {
+    auto ntrvl = static_cast<IntervalWidget*>(w.get());
+    return ntrvl->get_model().id() == interval.id();
+  });
 
   update();
 }
diff --git a/Hardware/Widgets/ScenarioWidget.hpp b/Hardware/Widgets/ScenarioWidget.hpp
index f3f3e09..861dbbd 100644
--- a/Hardware/Widgets/ScenarioWidget.hpp
+++ b/Hardware/Widgets/ScenarioWidget.hpp
@@ -18,6 +18,8 @@ public:
                           Scenario::ProcessModel* scenario);
 
   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;
 
   int x() const override;
   int y() const override;