Mercurial > hg > svgui
view layer/NoteLayer.h @ 650:12d570c27d85 tonioni
split drag delete
author | matthiasm |
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date | Sun, 16 Jun 2013 00:16:37 +0100 |
parents | 5b72899d692b |
children | 4dcf10bd2863 |
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/* -*- 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 file copyright 2006 Chris Cannam. 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 _NOTE_LAYER_H_ #define _NOTE_LAYER_H_ #include "SingleColourLayer.h" #include "data/model/NoteModel.h" #include <QObject> #include <QColor> class View; class QPainter; class NoteLayer : public SingleColourLayer { Q_OBJECT public: NoteLayer(); virtual void paint(View *v, QPainter &paint, QRect rect) const; virtual QString getFeatureDescription(View *v, QPoint &) const; virtual bool snapToFeatureFrame(View *v, int &frame, size_t &resolution, SnapType snap) const; virtual void drawStart(View *v, QMouseEvent *); virtual void drawDrag(View *v, QMouseEvent *); virtual void drawEnd(View *v, QMouseEvent *); virtual void eraseStart(View *v, QMouseEvent *); virtual void eraseDrag(View *v, QMouseEvent *); virtual void eraseEnd(View *v, QMouseEvent *); virtual void editStart(View *v, QMouseEvent *); virtual void editDrag(View *v, QMouseEvent *); virtual void editEnd(View *v, QMouseEvent *); virtual bool editOpen(View *v, QMouseEvent *); virtual void moveSelection(Selection s, size_t newStartFrame); virtual void resizeSelection(Selection s, Selection newSize); virtual void deleteSelection(Selection s); virtual void copy(View *v, Selection s, Clipboard &to); virtual bool paste(View *v, const Clipboard &from, int frameOffset, bool interactive); virtual const Model *getModel() const { return m_model; } void setModel(NoteModel *model); virtual PropertyList getProperties() const; virtual QString getPropertyLabel(const PropertyName &) const; virtual PropertyType getPropertyType(const PropertyName &) const; virtual QString getPropertyGroupName(const PropertyName &) const; virtual int getPropertyRangeAndValue(const PropertyName &, int *min, int *max, int *deflt) const; virtual QString getPropertyValueLabel(const PropertyName &, int value) const; virtual void setProperty(const PropertyName &, int value); enum VerticalScale { AutoAlignScale, LinearScale, LogScale, MIDIRangeScale }; void setVerticalScale(VerticalScale scale); VerticalScale getVerticalScale() const { return m_verticalScale; } virtual bool isLayerScrollable(const View *v) const; virtual bool isLayerEditable() const { return true; } virtual int getCompletion(View *) const { return m_model->getCompletion(); } virtual bool getValueExtents(float &min, float &max, bool &log, QString &unit) const; virtual bool getDisplayExtents(float &min, float &max) const; virtual bool setDisplayExtents(float min, float max); virtual int getVerticalZoomSteps(int &defaultStep) const; virtual int getCurrentVerticalZoomStep() const; virtual void setVerticalZoomStep(int); virtual RangeMapper *getNewVerticalZoomRangeMapper() const; virtual int getVerticalScaleWidth(View *, bool, QPainter &) const { return 0; } /** * Add a note-on. Used when recording MIDI "live". The note will * not be finally added to the layer until the corresponding * note-off. */ void addNoteOn(long frame, int pitch, int velocity); /** * Add a note-off. This will cause a note to appear, if and only * if there is a matching pending note-on. */ void addNoteOff(long frame, int pitch); /** * Abandon all pending note-on events. */ void abandonNoteOns(); virtual void toXml(QTextStream &stream, QString indent = "", QString extraAttributes = "") const; void setProperties(const QXmlAttributes &attributes); protected: void getScaleExtents(View *, float &min, float &max, bool &log) const; int getYForValue(View *v, float value) const; float getValueForY(View *v, int y) const; bool shouldConvertMIDIToHz() const; virtual int getDefaultColourHint(bool dark, bool &impose); NoteModel::PointList getLocalPoints(View *v, int) const; bool getPointToDrag(View *v, int x, int y, NoteModel::Point &) const; NoteModel *m_model; bool m_editing; int m_dragPointX; int m_dragPointY; int m_dragStartX; int m_dragStartY; NoteModel::Point m_originalPoint; NoteModel::Point m_editingPoint; NoteModel::EditCommand *m_editingCommand; VerticalScale m_verticalScale; typedef std::set<NoteModel::Point, NoteModel::Point::Comparator> NoteSet; NoteSet m_pendingNoteOns; mutable float m_scaleMinimum; mutable float m_scaleMaximum; bool shouldAutoAlign() const; void finish(NoteModel::EditCommand *command) { Command *c = command->finish(); if (c) CommandHistory::getInstance()->addCommand(c, false); } }; #endif