diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.cpp b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
index c5d7b1d05..90b17958f 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.cpp
@@ -234,6 +234,7 @@ CDriverGL::CDriverGL()
 	_win = EmptyWindow;
 	_WindowX = 0;
 	_WindowY = 0;
+	_WindowFocus = true;
 	_WindowVisible = true;
 	_DestroyWindow = false;
 	_Maximized = false;
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl.h b/code/nel/src/3d/driver/opengl/driver_opengl.h
index e9aa2e905..9bd19b14d 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl.h
+++ b/code/nel/src/3d/driver/opengl/driver_opengl.h
@@ -723,6 +723,7 @@ private:
 	bool						_Maximized;
 	uint						_Interval;
 	bool						_Resizable;
+	bool						_WindowFocus;
 
 	sint32						_DecorationWidth;
 	sint32						_DecorationHeight;
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_inputs.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_inputs.cpp
index 0d27166fc..3ede88b41 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_inputs.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_inputs.cpp
@@ -509,7 +509,7 @@ void CDriverGL::setMousePos(float x, float y)
 {
 	H_AUTO_OGL(CDriverGL_setMousePos)
 
-	if (_win == EmptyWindow)
+	if (_win == EmptyWindow || !_WindowFocus)
 		return;
 
 	sint x1 = (sint)((float)_CurrentMode.Width*x);
@@ -612,6 +612,7 @@ bool CDriverGL::isSystemCursorInClientArea()
 #ifdef NL_OS_WINDOWS
 		return IsWindowVisible(_win) != FALSE;
 #endif
+		return _WindowFocus;
 	}
 	else
 	{
@@ -650,7 +651,13 @@ bool CDriverGL::isSystemCursorInClientArea()
 		{
 			return false;
 		}
+#elif defined(NL_OS_MAC)
+		// TODO: implement this
+#elif defined (NL_OS_UNIX)
+		// TODO: implement this
 #endif
+		// TODO: probably wrong if NeL window is docked inside parent (ie QT widget)
+		return _WindowFocus;
 	}
 
 	return true;
diff --git a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
index 2ab5a3aba..293cb28bb 100644
--- a/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_window.cpp
@@ -106,6 +106,13 @@ bool GlWndProc(CDriverGL *driver, HWND hWnd, UINT message, WPARAM wParam, LPARAM
 			driver->_WndActive = true;
 		}
 	}
+	else if ((message == WM_SETFOCUS) || (message == WM_KILLFOCUS))
+	{
+		if (driver != NULL)
+		{
+			driver->_WindowFocus = (message == WM_SETFOCUS);
+		}
+	}
 
 	bool trapMessage = false;
 	if (driver->_EventEmitter.getNumEmitters() > 0)
@@ -291,6 +298,18 @@ bool GlWndProc(CDriverGL *driver, XEvent &e)
 
 		break;
 
+		case FocusIn:
+		{
+			driver->_WindowFocus = true;
+			return driver->_EventEmitter.processMessage(e);
+		}
+
+		case FocusOut:
+		{
+			driver->_WindowFocus = false;
+			return driver->_EventEmitter.processMessage(e);
+		}
+
 		default:
 
 		// Process the message by the emitter