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diff --git a/nxcompshad/src/Input.h b/nxcompshad/src/Input.h
new file mode 100644
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+++ b/nxcompshad/src/Input.h
@@ -0,0 +1,99 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com)          */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de>  */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de>                 */
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>                */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)           */
+/*                                                                        */
+/* NXCOMPSHAD, NX protocol compression and NX extensions to this software */
+/* are copyright of the aforementioned persons and companies.             */
+/*                                                                        */
+/* Redistribution and use of the present software is allowed according    */
+/* to terms specified in the file LICENSE which comes in the source       */
+/* distribution.                                                          */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/* NOTE: This software has received contributions from various other      */
+/* contributors, only the core maintainers and supporters are listed as   */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well.                                          */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef Input_H
+#define Input_H
+
+#include <nx-X11/Xlib.h>
+
+typedef struct Event
+{
+  struct Event *next;
+  Display *display;
+  XEvent *event;
+} Event;
+
+class Input
+{
+  public:
+
+  Input();
+
+  ~Input();
+
+  int checkIfEvent();
+
+  void pushEvent(Display *, XEvent *);
+
+  XEvent *popEvent();
+  Display *currentDisplay();
+
+  int removeAllEvents(Display *);
+
+  void setKeymap(char *keymap);
+  char *getKeymap();
+
+  void setShadowDisplayName(char *shadowDisplayName);
+  char *getShadowDisplayName();
+
+  private:
+
+  Event *eventsHead_;
+  Event *eventsTail_;
+  char *keymap_;
+  char *shadowDisplayName_;
+};
+
+inline Display *Input::currentDisplay()
+{
+  return eventsHead_ ? eventsHead_ -> display : NULL;
+}
+
+inline int Input::checkIfEvent()
+{
+  return (eventsHead_ != NULL);
+}
+
+inline void Input::setKeymap(char *keymap)
+{
+  keymap_ = keymap;
+}
+
+inline char *Input::getKeymap()
+{
+  return keymap_;
+}
+
+inline void Input::setShadowDisplayName(char *shadowDisplayName)
+{
+  shadowDisplayName_ = shadowDisplayName;
+}
+
+inline char *Input::getShadowDisplayName()
+{
+  return shadowDisplayName_;
+}
+
+#endif /* Input_H */