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

/*
    Copyright (C) 2005-2007 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 TIME_LINE_VIEW_H
#define TIME_LINE_VIEW_H

#include "ViewItem.h"
#include <Command.h>

#include <QTimer>

class SheetView;
class TimeLine;
class MarkerView;
class Marker;

class DragMarker : public Command
{
        Q_OBJECT
        Q_CLASSINFO("move_left", tr("Move Left"))
        Q_CLASSINFO("move_right", tr("Move right"))

public:
        DragMarker(MarkerView* mview, qint64 scalefactor, const QString& des);

        int prepare_actions();
        int do_action();
        int undo_action();
        int finish_hold();
        int begin_hold();
        void cancel_action();
        int jog();

private :
        Marker*         m_marker;
        TimeRef         m_origWhen;
        TimeRef         m_newWhen;
        struct Data {
                MarkerView*     view;
                qint64          scalefactor;
                bool            bypassjog;
                int             jogBypassPos;
        };
        Data* d;

public slots:
        void move_left(bool autorepeat);
        void move_right(bool autorepeat);
};

class TimeLineView : public ViewItem
{
        Q_OBJECT
        Q_CLASSINFO("add_marker", tr("Add Marker"))
        Q_CLASSINFO("add_marker_at_playhead", tr("Add Marker at Playhead"))
        Q_CLASSINFO("remove_marker", tr("Remove Marker"))
        Q_CLASSINFO("drag_marker", tr("Drag Marker"))
        Q_CLASSINFO("clear_markers", tr("Clear all Markers"))
        Q_CLASSINFO("playhead_to_marker", tr("Playhead to Marker"))

public:
        TimeLineView(SheetView* view);
        ~TimeLineView();
        
        void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
        void calculate_bounding_rect();
        void load_theme_data();

protected:
        void hoverEnterEvent ( QGraphicsSceneHoverEvent * event );
        void hoverLeaveEvent ( QGraphicsSceneHoverEvent * event );
        void hoverMoveEvent ( QGraphicsSceneHoverEvent * event );

private:
        QList<MarkerView* > m_markerViews;
        TimeLine*       m_timeline;
        MarkerView*     m_blinkingMarker;
        QColor          m_blinkColor;

        QHash<nframes_t, QString>       m_zooms;        

        Command* add_marker_at(const TimeRef when);
        void update_softselected_marker(QPoint pos);
        
        
public slots:
        void hzoom_changed();
        
public slots:
        Command* add_marker();
        Command* add_marker_at_playhead();
        Command* remove_marker();
        Command* drag_marker();
        Command* clear_markers();
        Command* playhead_to_marker();

private slots:
        void add_new_marker_view(Marker* marker);
        void remove_marker_view(Marker* marker);
};

#endif

//eof

---