Mercurial > hg > svgui
view layer/RegionLayer.h @ 613:ae478f548ecb
Added tag sv_v2.0 for changeset ea786e8bd931
author | Chris Cannam |
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date | Tue, 17 Jul 2012 12:49:00 +0100 |
parents | 5b72899d692b |
children | 084f65094203 |
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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 2006-2008 Chris Cannam and QMUL. 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 _REGION_LAYER_H_ #define _REGION_LAYER_H_ #include "SingleColourLayer.h" #include "data/model/RegionModel.h" #include <QObject> #include <QColor> #include <map> class View; class QPainter; class RegionLayer : public SingleColourLayer { Q_OBJECT public: RegionLayer(); virtual void paint(View *v, QPainter &paint, QRect rect) const; virtual QString getFeatureDescription(View *v, QPoint &) const; virtual QString getLabelPreceding(size_t) const; virtual bool snapToFeatureFrame(View *v, int &frame, size_t &resolution, SnapType snap) const; virtual bool snapToSimilarFeature(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(RegionModel *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); void setFillColourMap(int); int getFillColourMap() const { return m_colourMap; } enum VerticalScale { AutoAlignScale, EqualSpaced, LinearScale, LogScale, }; void setVerticalScale(VerticalScale scale); VerticalScale getVerticalScale() const { return m_verticalScale; } enum PlotStyle { PlotLines, PlotSegmentation }; void setPlotStyle(PlotStyle style); PlotStyle getPlotStyle() const { return m_plotStyle; } 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 void toXml(QTextStream &stream, QString indent = "", QString extraAttributes = "") const; virtual int getVerticalScaleWidth(View *, bool, QPainter &) const { return 0; } void setProperties(const QXmlAttributes &attributes); protected slots: void recalcSpacing(); protected: void getScaleExtents(View *, float &min, float &max, bool &log) const; int getYForValue(View *v, float value) const; float getValueForY(View *v, int y, int avoid = -1) const; QColor getColourForValue(View *v, float value) const; virtual int getDefaultColourHint(bool dark, bool &impose); RegionModel::PointList getLocalPoints(View *v, int x) const; bool getPointToDrag(View *v, int x, int y, RegionModel::Point &) const; RegionModel *m_model; bool m_editing; int m_dragPointX; int m_dragPointY; int m_dragStartX; int m_dragStartY; RegionModel::Point m_originalPoint; RegionModel::Point m_editingPoint; RegionModel::EditCommand *m_editingCommand; VerticalScale m_verticalScale; int m_colourMap; PlotStyle m_plotStyle; typedef std::map<float, int> SpacingMap; // region value -> ordering SpacingMap m_spacingMap; // region value -> number of regions with this value SpacingMap m_distributionMap; int spacingIndexToY(View *v, int i) const; float yToSpacingIndex(View *v, int y) const; void finish(RegionModel::EditCommand *command) { Command *c = command->finish(); if (c) CommandHistory::getInstance()->addCommand(c, false); } }; #endif