Traverso/cvs/traverso/src/sheetcanvas/AudioClipView.h

/*
Copyright (C) 2005-2009 Remon Sijrier 

This file is part of Traverso

Traverso 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA.

*/

#ifndef AUDIO_CLIP_VIEW_H
#define AUDIO_CLIP_VIEW_H

#include "ViewItem.h"
#include <defines.h>
#include <QList>
#include <QTimer>
#include <QPolygonF>
#include <QPixmap>

class AudioClip;
class Sheet;
class FadeCurve;
class CurveView;
class SheetView;
class TrackView;
class FadeView;
class Peak;


class AudioClipView : public ViewItem
{
        Q_OBJECT
        Q_CLASSINFO("fade_range", tr("Closest: Adjust Length"))
        Q_CLASSINFO("clip_fade_in", tr("In: Adjust Length"))
        Q_CLASSINFO("clip_fade_out", tr("Out: Adjust Length"))
        Q_CLASSINFO("select_fade_in_shape", tr("In: Select Preset"));
        Q_CLASSINFO("select_fade_out_shape", tr("Out: Select Preset"));
        Q_CLASSINFO("reset_fade", tr("Closest: Delete"));
        Q_CLASSINFO("set_audio_file", tr("Reset Audio File"));
        Q_CLASSINFO("edit_properties", tr("Edit Properties"));

public:
        AudioClipView(SheetView* view, TrackView* parent, AudioClip* clip);
        ~AudioClipView();

        void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
        
        void set_height(int height);
        
        AudioClip* get_clip() const {return m_clip;}
        int get_height() const;
        int get_childview_y_offset() const;
        
        void calculate_bounding_rect();
        void load_theme_data();
        
protected:
        void hoverEnterEvent ( QGraphicsSceneHoverEvent * event );

private:
        TrackView*      m_tv;
        QList<FadeView*> m_fadeViews;
        AudioClip*      m_clip;
        Sheet*          m_sheet;
        CurveView*      curveView;
        QPolygonF       m_polygon;
        QPixmap         m_clipInfo;
        QTimer          m_recordingTimer;

        float m_progress;
        int m_peakloadingcount;

        bool m_waitingForPeaks;
        bool m_mergedView;
        bool m_classicView;
        bool m_paintWithOutline;
        bool m_drawDbGrid;
        int m_height;
        int m_infoAreaHeight;
        int m_mimimumheightforinfoarea;
        int m_lineOffset;
        int m_lineVOffset;
        TimeRef m_oldRecordingPos;
        
        // theme data
        int m_drawbackground;
        int m_fillwave;
        QColor m_backgroundColorTop;
        QColor m_backgroundColorBottom;
        QColor m_backgroundColorMouseHoverTop;
        QColor m_backgroundColorMouseHoverBottom;
        QColor minINFLineColor;
        QBrush m_waveBrush;
        QBrush m_brushBgRecording;
        QBrush m_brushBgMuted;
        QBrush m_brushBgMutedHover;
        QBrush m_brushBgSelected;
        QBrush m_brushBgSelectedHover;
        QBrush m_brushBg;
        QBrush m_brushBgHover;
        QBrush m_brushFg;
        QBrush m_brushFgHover;
        QBrush m_brushFgMuted;
        QBrush m_brushFgEdit;
        QBrush m_brushFgEditHover;

        void create_clipinfo_string();

        void draw_clipinfo_area(QPainter* painter, int xstart, int pixelcount);
        void draw_db_lines(QPainter* painter, qreal xstart, int pixelcount);
        void draw_peaks(QPainter* painter, qreal xstart, int pixelcount);
        void create_brushes();

        friend class FadeView;

public slots:
        void add_new_fadeview(FadeCurve* fade);
        void remove_fadeview(FadeCurve* fade);
        void repaint();
        void update_start_pos();
        void position_changed();
        
        Command* fade_range();
        Command* clip_fade_in();
        Command* clip_fade_out();
        Command* select_fade_in_shape();
        Command* select_fade_out_shape();
        Command* reset_fade();
        Command* set_audio_file();
        Command* edit_properties();
        
private slots:
        void update_progress_info(int progress);
        void peak_creation_finished();
        void start_recording();
        void finish_recording();
        void update_recording();
        void clip_state_changed();
};


inline int AudioClipView::get_height() const {
        int height;
        (m_height > m_mimimumheightforinfoarea) ? height = m_height - m_infoAreaHeight : height = m_height;
        return height;
}

#endif

//eof

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