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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <richard.bown@ferventsoftware.com>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
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. See the file
COPYING included with this distribution for more information.
*/
#ifndef _RG_NOTATIONTOOL_H_
#define _RG_NOTATIONTOOL_H_
#include "gui/general/EditTool.h"
class TQString;
namespace Rosegarden
{
class NotationView;
/**
* Notation tool base class.
*
* A NotationTool represents one of the items on the notation toolbars
* (notes, rests, clefs, eraser, etc...). It handle mouse click events
* for the NotationView ('State' design pattern).
*
* A NotationTool can have a menu, normally activated through a right
* mouse button click. This menu is defined in an XML file, see
* NoteInserter and noteinserter.rc for an example.
*
* This class is a "semi-singleton", that is, only one instance per
* NotationView window is created. This is because menu creation is
* slow, and the fact that a tool can trigger the setting of another
* tool through a menu choice). This is maintained with the
* NotationToolBox class This means we can't rely on the ctor/dtor to
* perform setting up, like mouse cursor changes for instance. Use the
* ready() and stow() method for this.
*
* @see NotationView#setTool()
* @see NotationToolBox
*/
class NotationTool : public EditTool
{
friend class NotationToolBox;
public:
virtual ~NotationTool();
/**
* Is called by NotationView when the tool is set as current
* Add any setup here
*/
virtual void ready();
protected:
/**
* Create a new NotationTool
*
* \a menuName : the name of the menu defined in the XML rc file
*/
NotationTool(const TQString& menuName, NotationView*);
//--------------- Data members ---------------------------------
NotationView* m_nParentView;
};
}
#endif
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