Chris@35: /* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */
Chris@35: 
Chris@35: /*
Chris@35:     A waveform viewer and audio annotation editor.
Chris@35:     Chris Cannam, Queen Mary University of London, 2005-2006
Chris@35:     
Chris@35:     This is experimental software.  Not for distribution.
Chris@35: */
Chris@35: 
Chris@35: #ifndef _TEXT_LAYER_H_
Chris@35: #define _TEXT_LAYER_H_
Chris@35: 
Chris@35: #include "base/Layer.h"
Chris@35: #include "model/TextModel.h"
Chris@35: 
Chris@35: #include <QObject>
Chris@35: #include <QColor>
Chris@35: 
Chris@35: class View;
Chris@35: class QPainter;
Chris@35: 
Chris@35: class TextLayer : public Layer
Chris@35: {
Chris@35:     Q_OBJECT
Chris@35: 
Chris@35: public:
Chris@35:     TextLayer(View *w);
Chris@35: 
Chris@35:     virtual void paint(QPainter &paint, QRect rect) const;
Chris@35: 
Chris@35:     virtual QString getFeatureDescription(QPoint &) const;
Chris@35: 
Chris@35:     virtual bool snapToFeatureFrame(int &frame,
Chris@35: 				    size_t &resolution,
Chris@35: 				    SnapType snap) const;
Chris@35: 
Chris@35:     virtual void drawStart(QMouseEvent *);
Chris@35:     virtual void drawDrag(QMouseEvent *);
Chris@35:     virtual void drawEnd(QMouseEvent *);
Chris@35: 
Chris@35:     virtual void editStart(QMouseEvent *);
Chris@35:     virtual void editDrag(QMouseEvent *);
Chris@35:     virtual void editEnd(QMouseEvent *);
Chris@35: 
Chris@43:     virtual void moveSelection(Selection s, size_t newStartFrame);
Chris@43:     virtual void resizeSelection(Selection s, Selection newSize);
Chris@43: 
Chris@36:     virtual void editOpen(QMouseEvent *); // on double-click
Chris@36: 
Chris@35:     virtual const Model *getModel() const { return m_model; }
Chris@35:     void setModel(TextModel *model);
Chris@35: 
Chris@35:     virtual PropertyList getProperties() const;
Chris@35:     virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@35:     virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@35: 					   int *min, int *max) const;
Chris@35:     virtual QString getPropertyValueLabel(const PropertyName &,
Chris@35: 					  int value) const;
Chris@35:     virtual void setProperty(const PropertyName &, int value);
Chris@35: 
Chris@35:     void setBaseColour(QColor);
Chris@35:     QColor getBaseColour() const { return m_colour; }
Chris@35: 
Chris@35:     virtual bool isLayerScrollable() const;
Chris@35: 
Chris@35:     virtual bool isLayerEditable() const { return true; }
Chris@35: 
Chris@35:     virtual int getCompletion() const { return m_model->getCompletion(); }
Chris@35: 
Chris@35:     virtual QString toXmlString(QString indent = "",
Chris@35: 				QString extraAttributes = "") const;
Chris@35: 
Chris@35:     void setProperties(const QXmlAttributes &attributes);
Chris@35: 
Chris@35: protected:
Chris@35:     int getYForHeight(float height) const;
Chris@35:     float getHeightForY(int y) const;
Chris@35: 
Chris@35:     TextModel::PointList getLocalPoints(int x, int y) const;
Chris@35: 
Chris@35:     TextModel *m_model;
Chris@35:     bool m_editing;
Chris@36:     QPoint m_editOrigin;
Chris@35:     TextModel::Point m_originalPoint;
Chris@35:     TextModel::Point m_editingPoint;
Chris@35:     TextModel::EditCommand *m_editingCommand;
Chris@35:     QColor m_colour;
Chris@35: };
Chris@35: 
Chris@35: #endif
Chris@35: