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91 lines
2.5 KiB
91 lines
2.5 KiB
/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef _RG_NOTATIONTOOL_H_
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#define _RG_NOTATIONTOOL_H_
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#include "gui/general/EditTool.h"
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class TQString;
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namespace Rosegarden
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{
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class NotationView;
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/**
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* Notation tool base class.
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*
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* A NotationTool represents one of the items on the notation toolbars
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* (notes, rests, clefs, eraser, etc...). It handle mouse click events
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* for the NotationView ('State' design pattern).
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*
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* A NotationTool can have a menu, normally activated through a right
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* mouse button click. This menu is defined in an XML file, see
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* NoteInserter and noteinserter.rc for an example.
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*
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* This class is a "semi-singleton", that is, only one instance per
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* NotationView window is created. This is because menu creation is
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* slow, and the fact that a tool can trigger the setting of another
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* tool through a menu choice). This is maintained with the
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* NotationToolBox class This means we can't rely on the ctor/dtor to
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* perform setting up, like mouse cursor changes for instance. Use the
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* ready() and stow() method for this.
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*
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* @see NotationView#setTool()
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* @see NotationToolBox
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*/
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class NotationTool : public EditTool
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{
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friend class NotationToolBox;
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public:
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virtual ~NotationTool();
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/**
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* Is called by NotationView when the tool is set as current
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* Add any setup here
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*/
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virtual void ready();
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protected:
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/**
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* Create a new NotationTool
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*
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* \a menuName : the name of the menu defined in the XML rc file
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*/
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NotationTool(const TQString& menuName, NotationView*);
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//--------------- Data members ---------------------------------
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NotationView* m_nParentView;
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};
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}
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#endif
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