dispatcher

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_X11_dispatcher
#define tools_X11_dispatcher
 
#include <X11/Xlib.h>
 
#ifdef TOOLS_MEM
#include <tools/mem>
#endif
 
namespace tools {
namespace X11 {
 
class dispatcher {
protected:
#ifdef TOOLS_MEM
  static const std::string& s_class() {
    static const std::string s_v("tools::X11::dispatcher");
    return s_v;
  }
#endif
public:
  virtual bool dispatch(XEvent&) = 0;
  virtual Window window() const = 0;
  virtual dispatcher* copy() const = 0;
public:
  dispatcher():m_is_valid(true){
#ifdef TOOLS_MEM
    tools::mem::increment(s_class().c_str());
#endif
  }
  virtual ~dispatcher(){
#ifdef TOOLS_MEM
    tools::mem::decrement(s_class().c_str());
#endif
  }
public:
  dispatcher(const dispatcher& a_from):m_is_valid(a_from.m_is_valid){
#ifdef TOOLS_MEM
    tools::mem::increment(s_class().c_str());
#endif
  }
  dispatcher& operator=(const dispatcher& a_from) { m_is_valid = a_from.m_is_valid;return *this;}
public:
  bool is_valid() const {return m_is_valid;}
  void invalidate() {m_is_valid = false;}
protected:
  bool m_is_valid;
};
 
}}
 
 
#endif