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/*
Copyright (C) 1998-99 Paul Barton-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.
$Id$
*/
#ifndef __pbd_abstract_ui_h__
#define __pbd_abstract_ui_h__
#include <pbd/receiver.h>
#include <sigc++/sigc++.h>
class Touchable;
class AbstractUI : public Receiver
{
public:
enum RequestType {
ErrorMessage,
Quit,
CallSlot,
CallSlotLocked,
TouchDisplay,
StateChange,
SetTip,
AddIdle,
AddTimeout,
};
bool ok() { return _ok; }
AbstractUI () {}
virtual ~AbstractUI() {}
virtual void run (Receiver &old_receiver) = 0;
virtual void quit () = 0;
virtual bool running () = 0;
virtual void request (RequestType) = 0;
virtual void touch_display (Touchable *) = 0;
virtual void call_slot (sigc::slot<void>) = 0;
virtual bool caller_is_gui_thread() = 0;
/* needed to be a receiver ... */
virtual void receive (Transmitter::Channel, const char *) = 0;
protected:
bool _ok;
};
#endif // __pbd_abstract_ui_h__
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