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();
 
        // Create a menu for assigning/creating channels for this track
        // Currently instrument track and sample track supports it
        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;
 
        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