comparison layer/BoxLayer.h @ 1522:d5ef91dc2ea7

Merge from branch time-frequency-boxes

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef SV_BOX_LAYER_H
+#define SV_BOX_LAYER_H
+
+#include "SingleColourLayer.h"
+#include "VerticalScaleLayer.h"
+
+#include "data/model/BoxModel.h"
+
+#include <QObject>
+#include <QColor>
+
+#include <map>
+
+class View;
+class QPainter;
+
+class BoxLayer : public SingleColourLayer,
+                              public VerticalScaleLayer
+{
+    Q_OBJECT
+
+public:
+    BoxLayer();
+
+    void paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const override;
+
+    int getVerticalScaleWidth(LayerGeometryProvider *v, bool, QPainter &) const override;
+    void paintVerticalScale(LayerGeometryProvider *v, bool, QPainter &paint, QRect rect) const override;
+
+    QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const override;
+    QString getLabelPreceding(sv_frame_t) const override;
+
+    bool snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame,
+                            int &resolution,
+                            SnapType snap) const override;
+
+    void drawStart(LayerGeometryProvider *v, QMouseEvent *) override;
+    void drawDrag(LayerGeometryProvider *v, QMouseEvent *) override;
+    void drawEnd(LayerGeometryProvider *v, QMouseEvent *) override;
+
+    void eraseStart(LayerGeometryProvider *v, QMouseEvent *) override;
+    void eraseDrag(LayerGeometryProvider *v, QMouseEvent *) override;
+    void eraseEnd(LayerGeometryProvider *v, QMouseEvent *) override;
+
+    void editStart(LayerGeometryProvider *v, QMouseEvent *) override;
+    void editDrag(LayerGeometryProvider *v, QMouseEvent *) override;
+    void editEnd(LayerGeometryProvider *v, QMouseEvent *) override;
+
+    bool editOpen(LayerGeometryProvider *v, QMouseEvent *) override;
+
+    void moveSelection(Selection s, sv_frame_t newStartFrame) override;
+    void resizeSelection(Selection s, Selection newSize) override;
+    void deleteSelection(Selection s) override;
+
+    void copy(LayerGeometryProvider *v, Selection s, Clipboard &to) override;
+    bool paste(LayerGeometryProvider *v, const Clipboard &from,
+               sv_frame_t frameOffset, bool interactive) override;
+
+    ModelId getModel() const override { return m_model; }
+    void setModel(ModelId model); // a BoxModel
+
+    PropertyList getProperties() const override;
+    QString getPropertyLabel(const PropertyName &) const override;
+    PropertyType getPropertyType(const PropertyName &) const override;
+    QString getPropertyGroupName(const PropertyName &) const override;
+    int getPropertyRangeAndValue(const PropertyName &,
+                                 int *min, int *max, int *deflt) const override;
+    QString getPropertyValueLabel(const PropertyName &,
+                                  int value) const override;
+    void setProperty(const PropertyName &, int value) override;
+
+    enum VerticalScale {
+        AutoAlignScale,
+        LinearScale,
+        LogScale,
+    };
+
+    void setVerticalScale(VerticalScale scale);
+    VerticalScale getVerticalScale() const { return m_verticalScale; }
+
+    bool isLayerScrollable(const LayerGeometryProvider *v) const override;
+
+    bool isLayerEditable() const override { return true; }
+
+    int getCompletion(LayerGeometryProvider *) const override;
+
+    bool getValueExtents(double &min, double &max,
+                                 bool &log, QString &unit) const override;
+
+    bool getDisplayExtents(double &min, double &max) const override;
+
+    bool adoptExtents(double min, double max, QString unit) override;
+
+    void toXml(QTextStream &stream, QString indent = "",
+                       QString extraAttributes = "") const override;
+
+    void setProperties(const QXmlAttributes &attributes) override;
+
+    /// VerticalScaleLayer methods
+    int getYForValue(LayerGeometryProvider *v, double value) const override;
+    double getValueForY(LayerGeometryProvider *v, int y) const override;
+    QString getScaleUnits() const override;
+
+protected:
+    void getScaleExtents(LayerGeometryProvider *, double &min, double &max, bool &log) const;
+
+    EventVector getLocalPoints(LayerGeometryProvider *v, int x) const;
+
+    bool getPointToDrag(LayerGeometryProvider *v, int x, int y, Event &) const;
+
+    ModelId m_model;
+    bool m_editing;
+    int m_dragPointX;
+    int m_dragPointY;
+    int m_dragStartX;
+    int m_dragStartY;
+    Event m_originalPoint;
+    Event m_editingPoint;
+    ChangeEventsCommand *m_editingCommand;
+    VerticalScale m_verticalScale;
+
+    void finish(ChangeEventsCommand *command) {
+        Command *c = command->finish();
+        if (c) CommandHistory::getInstance()->addCommand(c, false);
+    }
+};
+
+#endif
+