TrackView.h

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/*
 * TrackView.h - declaration of TrackView class
 *
 * Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * This program 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 (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_GUI_TRACK_VIEW_H
#define LMMS_GUI_TRACK_VIEW_H
 
#include <QWidget>
 
#include "JournallingObject.h"
#include "ModelView.h"
#include "TrackContentWidget.h"
#include "TrackOperationsWidget.h"
 
class QMenu;
 
namespace lmms
{
 
class Track;
class Clip;
 
 
namespace gui
{
 
class FadeButton;
class TrackContainerView;
 
 
const int DEFAULT_SETTINGS_WIDGET_WIDTH = 260;
const int TRACK_OP_WIDTH = 78;
// This shaves 150-ish pixels off track buttons,
// ruled from config: ui.compacttrackbuttons
const int DEFAULT_SETTINGS_WIDGET_WIDTH_COMPACT = 136;
const int TRACK_OP_WIDTH_COMPACT = TRACK_OP_WIDTH;
 
 
class TrackView : public QWidget, public ModelView, public JournallingObject
{
    Q_OBJECT
public:
    TrackView(Track* track, TrackContainerView* tcv);
 
    ~TrackView() override = default;
 
    inline const Track * getTrack() const
    {
        return m_track;
    }
 
    inline Track * getTrack()
    {
        return m_track;
    }
 
    inline TrackContainerView* trackContainerView()
    {
        return m_trackContainerView;
    }
 
    inline TrackOperationsWidget * getTrackOperationsWidget()
    {
        return &m_trackOperationsWidget;
    }
 
    inline QWidget * getTrackSettingsWidget()
    {
        return &m_trackSettingsWidget;
    }
 
    inline TrackContentWidget * getTrackContentWidget()
    {
        return &m_trackContentWidget;
    }
 
    bool isMovingTrack() const
    {
        return m_action == Action::Move;
    }

    virtual void update();

    virtual QMenu* createMixerMenu(QString title, QString newMixerLabel);
 
 
public slots:

    virtual bool close();
 
 
protected:
    void modelChanged() override;
 
    void saveSettings( QDomDocument& doc, QDomElement& element ) override
    {
        Q_UNUSED(doc)
        Q_UNUSED(element)
    }
 
    void loadSettings( const QDomElement& element ) override
    {
        Q_UNUSED(element)
    }
 
    QString nodeName() const override
    {
        return "trackview";
    }
 

    void dragEnterEvent(QDragEnterEvent* dee) override;

    void dropEvent(QDropEvent* de) override;

    void mousePressEvent(QMouseEvent* me) override;

    void mouseMoveEvent(QMouseEvent* me) override;

    void mouseReleaseEvent(QMouseEvent* me) override;
 
    void wheelEvent(QWheelEvent* we) override;

    void paintEvent(QPaintEvent* pe) override;

    void resizeEvent(QResizeEvent* re) override;
 
private:
    void resizeToHeight(int height);
 
private:
    enum class Action
    {
        None,
        Move,
        Resize
    } ;
 
    Track * m_track;
    TrackContainerView * m_trackContainerView;
 
    TrackOperationsWidget m_trackOperationsWidget;
    QWidget m_trackSettingsWidget;
    TrackContentWidget m_trackContentWidget;
 
    Action m_action = Action::None;
 
    virtual FadeButton * getActivityIndicator()
    {
        return nullptr;
    }
 
    void setIndicatorMute(FadeButton* indicator, bool muted);
 
    friend class TrackLabelButton;
 
 
private slots:
    void createClipView(lmms::Clip* clip);
 
    void muteChanged();
    void onTrackGripGrabbed();
    void onTrackGripReleased();
} ;
 
 
} // namespace gui
 
} // namespace lmms
 
#endif // LMMS_GUI_TRACK_VIEW_H