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util.h

/*
 * Copyright (c) 2008, Thomas Jaeger <ThJaeger@gmail.com>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#ifndef __UTIL_H__
#define __UTIL_H__

#include <glibmm.h>

class Timeout {
      sigc::connection *c;
      bool to() { timeout(); c = 0; return false; }
public:
      Timeout() : c(0) {}
protected:
      virtual void timeout() = 0;
public:
      bool remove_timeout() {
            if (c) {
                  c->disconnect();
                  delete c;
                  c = 0;
                  return true;
            }
            return false;
      }
      void set_timeout(int ms) {
            remove_timeout();
            c = new sigc::connection(Glib::signal_timeout().connect(sigc::mem_fun(*this, &Timeout::to), ms));
      }
      virtual ~Timeout() {
            remove_timeout();
      }
};

void show_us(const char *str);
#endif

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