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/*
Copyright (C) 2000-2007 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __pbd_base_ui_h__
#define __pbd_base_ui_h__
#include <string>
#include <stdint.h>
#include <sigc++/slot.h>
#include <sigc++/trackable.h>
class BaseUI : virtual public sigc::trackable {
public:
BaseUI (std::string name, bool with_signal_pipes);
virtual ~BaseUI();
BaseUI* base_instance() { return base_ui_instance; }
std::string name() const { return _name; }
bool ok() const { return _ok; }
enum RequestType {
range_guarantee = ~0
};
struct BaseRequestObject {
RequestType type;
sigc::slot<void> the_slot;
};
static RequestType new_request_type();
static RequestType CallSlot;
protected:
int signal_pipe[2];
bool _ok;
private:
std::string _name;
BaseUI* base_ui_instance;
static uint32_t rt_bit;
int setup_signal_pipe ();
};
#endif /* __pbd_base_ui_h__ */
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