Chris@58: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@35: 
Chris@35: /*
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@35:     
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@35: */
Chris@35: 
Chris@1407: #ifndef SV_TEXT_LAYER_H
Chris@1407: #define SV_TEXT_LAYER_H
Chris@35: 
Chris@287: #include "SingleColourLayer.h"
Chris@128: #include "data/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@287: class TextLayer : public SingleColourLayer
Chris@35: {
Chris@35:     Q_OBJECT
Chris@35: 
Chris@35: public:
Chris@44:     TextLayer();
Chris@35: 
Chris@1406:     void paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const override;
Chris@35: 
Chris@1406:     QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const override;
Chris@35: 
Chris@1406:     bool snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame,
Chris@1266:                                     int &resolution,
Chris@1406:                                     SnapType snap) const override;
Chris@35: 
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@35: 
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@35: 
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@1406:     bool paste(LayerGeometryProvider *v, const Clipboard &from, sv_frame_t frameOffset,
Chris@1406:                        bool interactive) override;
Chris@43: 
Chris@1406:     bool editOpen(LayerGeometryProvider *, QMouseEvent *) override; // on double-click
Chris@36: 
Chris@1406:     const Model *getModel() const override { return m_model; }
Chris@35:     void setModel(TextModel *model);
Chris@35: 
Chris@1406:     PropertyList getProperties() const override;
Chris@1406:     QString getPropertyLabel(const PropertyName &) const override;
Chris@1406:     PropertyType getPropertyType(const PropertyName &) const override;
Chris@1406:     int getPropertyRangeAndValue(const PropertyName &,
Chris@1406:                                          int *min, int *max, int *deflt) const override;
Chris@1406:     QString getPropertyValueLabel(const PropertyName &,
Chris@1406:                                           int value) const override;
Chris@1406:     void setProperty(const PropertyName &, int value) override;
Chris@35: 
Chris@1406:     bool isLayerScrollable(const LayerGeometryProvider *v) const override;
Chris@35: 
Chris@1406:     bool isLayerEditable() const override { return true; }
Chris@35: 
Chris@1406:     int getCompletion(LayerGeometryProvider *) const override { return m_model->getCompletion(); }
Chris@35: 
Chris@1406:     bool getValueExtents(double &min, double &max,
Chris@1406:                                  bool &logarithmic, QString &unit) const override;
Chris@79: 
Chris@1406:     int getVerticalScaleWidth(LayerGeometryProvider *, bool, QPainter &) const override { return 0; }
Chris@607: 
Chris@1406:     void toXml(QTextStream &stream, QString indent = "",
Chris@1406:                        QString extraAttributes = "") const override;
Chris@35: 
Chris@1406:     void setProperties(const QXmlAttributes &attributes) override;
Chris@35: 
Chris@35: protected:
Chris@918:     int getYForHeight(LayerGeometryProvider *v, double height) const;
Chris@918:     double getHeightForY(LayerGeometryProvider *v, int y) const;
Chris@35: 
Chris@1406:     int getDefaultColourHint(bool dark, bool &impose) override;
Chris@287: 
Chris@1437:     EventVector getLocalPoints(LayerGeometryProvider *v, int x, int y) const;
Chris@35: 
Chris@1437:     bool getPointToDrag(LayerGeometryProvider *v, int x, int y, Event &) const;
Chris@552: 
Chris@35:     TextModel *m_model;
Chris@35:     bool m_editing;
Chris@36:     QPoint m_editOrigin;
Chris@1437:     Event m_originalPoint;
Chris@1437:     Event m_editingPoint;
Chris@1437:     ChangeEventsCommand *m_editingCommand;
Chris@376: 
Chris@1437:     void finish(ChangeEventsCommand *command) {
Chris@376:         Command *c = command->finish();
Chris@376:         if (c) CommandHistory::getInstance()->addCommand(c, false);
Chris@376:     }
Chris@35: };
Chris@35: 
Chris@35: #endif
Chris@35: