Chris@58: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ Chris@30: Chris@30: /* Chris@59: Sonic Visualiser Chris@59: An audio file viewer and annotation editor. Chris@59: Centre for Digital Music, Queen Mary, University of London. Chris@59: This file copyright 2006 Chris Cannam. Chris@30: Chris@59: This program is free software; you can redistribute it and/or Chris@59: modify it under the terms of the GNU General Public License as Chris@59: published by the Free Software Foundation; either version 2 of the Chris@59: License, or (at your option) any later version. See the file Chris@59: COPYING included with this distribution for more information. Chris@30: */ Chris@30: Chris@1362: #ifndef SV_NOTE_LAYER_H Chris@1362: #define SV_NOTE_LAYER_H Chris@30: Chris@287: #include "SingleColourLayer.h" Chris@701: #include "VerticalScaleLayer.h" Chris@701: Chris@128: #include "data/model/NoteModel.h" Chris@30: Chris@30: #include Chris@30: #include Chris@30: Chris@30: class View; Chris@30: class QPainter; Chris@30: Chris@1551: /** Chris@1551: * Layer for displaying and editing notes, i.e. discrete events with Chris@1551: * start time, duration, value that represents pitch, and optionally a Chris@1551: * level that represents velocity. Chris@1551: * Chris@1551: * For the purposes of public API, integration with other classes, and Chris@1551: * display alignment, the y-coordinate (value) of the layer always has Chris@1551: * a unit of Hz. The model itself may have another unit, such as MIDI Chris@1551: * pitch, but the layer always converts to and from Hz behind the Chris@1551: * scenes. Chris@1551: */ Chris@701: class NoteLayer : public SingleColourLayer, Chris@701: public VerticalScaleLayer Chris@30: { Chris@30: Q_OBJECT Chris@30: Chris@30: public: Chris@44: NoteLayer(); Chris@30: Chris@1406: void paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const override; Chris@30: Chris@1406: int getVerticalScaleWidth(LayerGeometryProvider *v, bool, QPainter &) const override; Chris@1406: void paintVerticalScale(LayerGeometryProvider *v, bool, QPainter &paint, QRect rect) const override; Chris@692: Chris@1406: QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const override; Chris@30: Chris@1406: bool snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame, Chris@1547: int &resolution, Chris@1547: SnapType snap, int ycoord) const override; Chris@30: Chris@1406: void drawStart(LayerGeometryProvider *v, QMouseEvent *) override; Chris@1406: void drawDrag(LayerGeometryProvider *v, QMouseEvent *) override; Chris@1406: void drawEnd(LayerGeometryProvider *v, QMouseEvent *) override; Chris@30: Chris@1406: void eraseStart(LayerGeometryProvider *v, QMouseEvent *) override; Chris@1406: void eraseDrag(LayerGeometryProvider *v, QMouseEvent *) override; Chris@1406: void eraseEnd(LayerGeometryProvider *v, QMouseEvent *) override; Chris@335: Chris@1406: void editStart(LayerGeometryProvider *v, QMouseEvent *) override; Chris@1406: void editDrag(LayerGeometryProvider *v, QMouseEvent *) override; Chris@1406: void editEnd(LayerGeometryProvider *v, QMouseEvent *) override; Chris@30: Chris@1406: bool editOpen(LayerGeometryProvider *v, QMouseEvent *) override; Chris@70: Chris@1406: void moveSelection(Selection s, sv_frame_t newStartFrame) override; Chris@1406: void resizeSelection(Selection s, Selection newSize) override; Chris@1406: void deleteSelection(Selection s) override; Chris@76: Chris@1406: void copy(LayerGeometryProvider *v, Selection s, Clipboard &to) override; Chris@1551: bool paste(LayerGeometryProvider *v, const Clipboard &from, Chris@1551: sv_frame_t frameOffset, bool interactive) override; Chris@43: Chris@1470: ModelId getModel() const override { return m_model; } Chris@1470: void setModel(ModelId model); // a NoteModel Chris@30: Chris@1406: PropertyList getProperties() const override; Chris@1406: QString getPropertyLabel(const PropertyName &) const override; Chris@1406: PropertyType getPropertyType(const PropertyName &) const override; Chris@1406: QString getPropertyGroupName(const PropertyName &) const override; Chris@1406: int getPropertyRangeAndValue(const PropertyName &, Chris@1551: int *min, int *max, int *deflt) const override; Chris@1406: QString getPropertyValueLabel(const PropertyName &, Chris@1551: int value) const override; Chris@1406: void setProperty(const PropertyName &, int value) override; Chris@30: Chris@30: enum VerticalScale { Chris@101: AutoAlignScale, Chris@101: LinearScale, Chris@101: LogScale, Chris@101: MIDIRangeScale Chris@30: }; Chris@30: Chris@30: void setVerticalScale(VerticalScale scale); Chris@30: VerticalScale getVerticalScale() const { return m_verticalScale; } Chris@30: Chris@1406: bool isLayerScrollable(const LayerGeometryProvider *v) const override; Chris@30: Chris@1406: bool isLayerEditable() const override { return true; } Chris@30: Chris@1470: int getCompletion(LayerGeometryProvider *) const override; Chris@30: Chris@1406: bool getValueExtents(double &min, double &max, Chris@1551: bool &log, QString &unit) const override; Chris@101: Chris@1406: bool getDisplayExtents(double &min, double &max) const override; Chris@1406: bool setDisplayExtents(double min, double max) override; Chris@439: Chris@1406: int getVerticalZoomSteps(int &defaultStep) const override; Chris@1406: int getCurrentVerticalZoomStep() const override; Chris@1406: void setVerticalZoomStep(int) override; Chris@1406: RangeMapper *getNewVerticalZoomRangeMapper() const override; Chris@79: Chris@507: /** Chris@507: * Add a note-on. Used when recording MIDI "live". The note will Chris@507: * not be finally added to the layer until the corresponding Chris@507: * note-off. Chris@507: */ Chris@905: void addNoteOn(sv_frame_t frame, int pitch, int velocity); Chris@507: Chris@507: /** Chris@507: * Add a note-off. This will cause a note to appear, if and only Chris@507: * if there is a matching pending note-on. Chris@507: */ Chris@905: void addNoteOff(sv_frame_t frame, int pitch); Chris@507: Chris@507: /** Chris@507: * Abandon all pending note-on events. Chris@507: */ Chris@507: void abandonNoteOns(); Chris@507: Chris@1406: void toXml(QTextStream &stream, QString indent = "", Chris@1406: QString extraAttributes = "") const override; Chris@30: Chris@1406: void setProperties(const QXmlAttributes &attributes) override; Chris@30: Chris@701: /// VerticalScaleLayer methods Chris@1406: int getYForValue(LayerGeometryProvider *v, double value) const override; Chris@1406: double getValueForY(LayerGeometryProvider *v, int y) const override; Chris@1406: QString getScaleUnits() const override; Chris@701: Chris@30: protected: Chris@918: void getScaleExtents(LayerGeometryProvider *, double &min, double &max, bool &log) const; Chris@30: Chris@1406: int getDefaultColourHint(bool dark, bool &impose) override; Chris@287: Chris@1424: EventVector getLocalPoints(LayerGeometryProvider *v, int) const; Chris@30: Chris@1424: bool getPointToDrag(LayerGeometryProvider *v, int x, int y, Event &) const; Chris@550: Chris@1551: double convertValueFromEventValue(float eventValue) const; Chris@1551: float convertValueToEventValue(double value) const; Chris@1551: Chris@1551: double valueOf(const Event &e) const; Chris@1551: Event eventWithValue(const Event &e, double value) const; Chris@1551: Chris@1470: ModelId m_model; Chris@1551: bool m_modelUsesHz; Chris@30: bool m_editing; Chris@551: int m_dragPointX; Chris@551: int m_dragPointY; Chris@551: int m_dragStartX; Chris@551: int m_dragStartY; Chris@1424: Event m_originalPoint; Chris@1424: Event m_editingPoint; Chris@1427: ChangeEventsCommand *m_editingCommand; Chris@1422: bool m_editIsOpen; Chris@30: VerticalScale m_verticalScale; Chris@376: Chris@1424: typedef std::set NoteSet; Chris@507: NoteSet m_pendingNoteOns; Chris@507: Chris@905: mutable double m_scaleMinimum; Chris@905: mutable double m_scaleMaximum; Chris@439: Chris@439: bool shouldAutoAlign() const; Chris@439: Chris@1427: void finish(ChangeEventsCommand *command) { Chris@376: Command *c = command->finish(); Chris@376: if (c) CommandHistory::getInstance()->addCommand(c, false); Chris@376: } Chris@30: }; Chris@30: Chris@30: #endif Chris@30: