--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Samples/Qt/Scene2DInteractor.cpp	Fri Jul 19 15:15:13 2019 +0200
@@ -0,0 +1,72 @@
+#include "Scene2DInteractor.h"
+
+#include "../../Framework/Scene2D/PanSceneTracker.h"
+#include "../../Framework/Scene2D/ZoomSceneTracker.h"
+#include "../../Framework/Scene2D/RotateSceneTracker.h"
+
+
+namespace OrthancStone
+{
+
+}
+
+using namespace OrthancStone;
+
+
+bool BasicScene2DInteractor::OnMouseEvent(const GuiAdapterMouseEvent& event, const PointerEvent& pointerEvent)
+{
+  if (currentTracker_.get() != NULL)
+  {
+    switch (event.type)
+    {
+    case GUIADAPTER_EVENT_MOUSEUP:
+    {
+      currentTracker_->PointerUp(pointerEvent);
+      if (!currentTracker_->IsAlive())
+      {
+        currentTracker_.reset();
+      }
+    };break;
+    case GUIADAPTER_EVENT_MOUSEMOVE:
+    {
+      currentTracker_->PointerMove(pointerEvent);
+    };break;
+    }
+    return true;
+  }
+  else
+  {
+    if (event.button == GUIADAPTER_MOUSEBUTTON_LEFT)
+    {
+      currentTracker_.reset(new RotateSceneTracker(viewportController_, pointerEvent));
+    }
+    else if (event.button == GUIADAPTER_MOUSEBUTTON_MIDDLE)
+    {
+      currentTracker_.reset(new PanSceneTracker(viewportController_, pointerEvent));
+    }
+    else if (event.button == GUIADAPTER_MOUSEBUTTON_RIGHT && compositor_.get() != NULL)
+    {
+      currentTracker_.reset(new ZoomSceneTracker(viewportController_, pointerEvent, compositor_->GetHeight()));
+    }
+    return true;
+  }
+  return false;
+}
+
+bool BasicScene2DInteractor::OnKeyboardEvent(const GuiAdapterKeyboardEvent& guiEvent)
+{
+  switch (guiEvent.sym[0])
+  {
+  case 's':
+  {
+    viewportController_->FitContent(compositor_->GetWidth(), compositor_->GetHeight());
+    return true;
+  };
+  }
+  return false;
+}
+
+bool BasicScene2DInteractor::OnWheelEvent(const GuiAdapterWheelEvent& guiEvent)
+{
+  return false;
+}