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fab7f8fea8
Introduce one central signal in the pattern class which is emitted before the pattern object is being destroyed. This way we can easily and more reliably hide this pattern in the PianoRoll without any race conditions or other glitches. Closes #1089.
201 lines
4.0 KiB
C++
201 lines
4.0 KiB
C++
/*
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* pattern.h - declaration of class pattern, which contains all informations
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* about a pattern
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*
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* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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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 PATTERN_H
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#define PATTERN_H
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#include <QtCore/QVector>
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#include <QtGui/QWidget>
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#include <QtGui/QDialog>
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#include <QtCore/QThread>
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#include <QtGui/QPixmap>
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#include "note.h"
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#include "track.h"
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class QAction;
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class QProgressBar;
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class QPushButton;
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class InstrumentTrack;
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class SampleBuffer;
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class EXPORT pattern : public trackContentObject
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{
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Q_OBJECT
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public:
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enum PatternTypes
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{
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BeatPattern,
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MelodyPattern
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} ;
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pattern( InstrumentTrack * _instrument_track );
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pattern( const pattern & _pat_to_copy );
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virtual ~pattern();
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void init();
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virtual MidiTime length() const;
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MidiTime beatPatternLength() const;
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// note management
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note * addNote( const note & _new_note, const bool _quant_pos = true );
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void removeNote( const note * _note_to_del );
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note * noteAtStep( int _step );
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note * rearrangeNote( const note * _note_to_proc,
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const bool _quant_pos = true );
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void rearrangeAllNotes();
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void clearNotes();
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inline const NoteVector & notes() const
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{
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return m_notes;
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}
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void setStep( int _step, bool _enabled );
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// pattern-type stuff
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inline PatternTypes type() const
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{
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return m_patternType;
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}
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void setType( PatternTypes _new_pattern_type );
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void checkType();
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// settings-management
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virtual void saveSettings( QDomDocument & _doc, QDomElement & _parent );
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virtual void loadSettings( const QDomElement & _this );
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inline virtual QString nodeName() const
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{
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return "pattern";
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}
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inline InstrumentTrack * instrumentTrack() const
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{
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return m_instrumentTrack;
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}
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bool empty();
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virtual trackContentObjectView * createView( trackView * _tv );
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using Model::dataChanged;
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protected:
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void ensureBeatNotes();
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void updateBBTrack();
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protected slots:
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void addSteps();
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void removeSteps();
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void clear();
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void changeTimeSignature();
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private:
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InstrumentTrack * m_instrumentTrack;
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PatternTypes m_patternType;
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// data-stuff
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NoteVector m_notes;
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int m_steps;
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friend class patternView;
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friend class bbEditor;
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signals:
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void destroyedPattern( pattern* );
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} ;
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class patternView : public trackContentObjectView
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{
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Q_OBJECT
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// theming qproperties
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Q_PROPERTY( QColor fgColor READ fgColor WRITE setFgColor )
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Q_PROPERTY( QColor textColor READ textColor WRITE setTextColor )
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public:
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patternView( pattern * _pattern, trackView * _parent );
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virtual ~patternView();
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public slots:
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virtual void update();
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protected slots:
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void openInPianoRoll();
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void resetName();
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void changeName();
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protected:
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virtual void constructContextMenu( QMenu * );
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virtual void mouseDoubleClickEvent( QMouseEvent * _me );
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virtual void mousePressEvent( QMouseEvent * _me );
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virtual void paintEvent( QPaintEvent * _pe );
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virtual void resizeEvent( QResizeEvent * _re )
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{
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m_needsUpdate = true;
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trackContentObjectView::resizeEvent( _re );
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}
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virtual void wheelEvent( QWheelEvent * _we );
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private:
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static QPixmap * s_stepBtnOn;
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static QPixmap * s_stepBtnOverlay;
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static QPixmap * s_stepBtnOff;
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static QPixmap * s_stepBtnOffLight;
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pattern * m_pat;
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QPixmap m_paintPixmap;
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bool m_needsUpdate;
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} ;
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#endif
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