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165 lines
3.6 KiB
C++
165 lines
3.6 KiB
C++
/*
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* Controller.h - declaration of class controller, which provides a
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* standard for all controllers and controller plugins
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*
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* Copyright (c) 2008-2009 Paul Giblock <pgllama/at/gmail.com>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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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
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _CONTROLLER_H
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#define _CONTROLLER_H
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#include "engine.h"
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#include "Mixer.h"
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#include "Model.h"
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#include "JournallingObject.h"
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class ControllerDialog;
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class Controller;
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class ControllerConnection;
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typedef QVector<Controller *> ControllerVector;
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class Controller : public Model, public JournallingObject
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{
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Q_OBJECT
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public:
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enum ControllerTypes
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{
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DummyController,
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LfoController,
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MidiController,
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PeakController,
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/*
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XYController,
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EquationController
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*/
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NumControllerTypes
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} ;
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Controller( ControllerTypes _type, Model * _parent,
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const QString & _display_name );
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virtual ~Controller();
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virtual float currentValue( int _offset );
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inline bool isSampleExact() const
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{
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return m_sampleExact ||
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engine::mixer()->currentQualitySettings().
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sampleExactControllers;
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}
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void setSampleExact( bool _exact )
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{
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m_sampleExact = _exact;
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}
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inline ControllerTypes type() const
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{
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return( m_type );
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}
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// return whether this controller updates models frequently - used for
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// determining when to update GUI
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inline bool frequentUpdates() const
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{
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switch( m_type )
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{
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case LfoController: return( true );
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case PeakController: return( true );
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default:
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break;
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}
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return( false );
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}
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virtual const QString & name() const
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{
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return( m_name );
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}
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virtual void saveSettings( QDomDocument & _doc, QDomElement & _this );
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virtual void loadSettings( const QDomElement & _this );
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virtual QString nodeName() const;
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static Controller * create( ControllerTypes _tt, Model * _parent );
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static Controller * create( const QDomElement & _this,
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Model * _parent );
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inline static float fittedValue( float _val )
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{
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return tLimit<float>( _val, 0.0f, 1.0f );
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}
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static unsigned int runningFrames();
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static float runningTime();
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static void triggerFrameCounter();
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static void resetFrameCounter();
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//Accepts a ControllerConnection * as it may be used in the future.
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void addConnection( ControllerConnection * );
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void removeConnection( ControllerConnection * );
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int connectionCount() const;
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public slots:
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virtual ControllerDialog * createDialog( QWidget * _parent );
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virtual void setName( const QString & _new_name )
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{
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m_name = _new_name;
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}
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bool hasModel( const Model * m );
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protected:
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// The internal per-controller get-value function
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virtual float value( int _offset );
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float m_currentValue;
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bool m_sampleExact;
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int m_connectionCount;
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QString m_name;
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ControllerTypes m_type;
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static ControllerVector s_controllers;
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static unsigned int s_frames;
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signals:
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// The value changed while the mixer isn't running (i.e: MIDI CC)
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void valueChanged();
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friend class ControllerDialog;
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} ;
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#endif
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