annotate layer/TextLayer.h @ 470:26d1ddc0ce96

* another, rather trivial, optimisation
author Chris Cannam
date Mon, 26 Jan 2009 10:49:31 +0000
parents e1a9e478b7f2
children 2e8194a30f40
rev   line source
Chris@58 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@35 2
Chris@35 3 /*
Chris@59 4 Sonic Visualiser
Chris@59 5 An audio file viewer and annotation editor.
Chris@59 6 Centre for Digital Music, Queen Mary, University of London.
Chris@59 7 This file copyright 2006 Chris Cannam.
Chris@35 8
Chris@59 9 This program is free software; you can redistribute it and/or
Chris@59 10 modify it under the terms of the GNU General Public License as
Chris@59 11 published by the Free Software Foundation; either version 2 of the
Chris@59 12 License, or (at your option) any later version. See the file
Chris@59 13 COPYING included with this distribution for more information.
Chris@35 14 */
Chris@35 15
Chris@35 16 #ifndef _TEXT_LAYER_H_
Chris@35 17 #define _TEXT_LAYER_H_
Chris@35 18
Chris@287 19 #include "SingleColourLayer.h"
Chris@128 20 #include "data/model/TextModel.h"
Chris@35 21
Chris@35 22 #include <QObject>
Chris@35 23 #include <QColor>
Chris@35 24
Chris@35 25 class View;
Chris@35 26 class QPainter;
Chris@35 27
Chris@287 28 class TextLayer : public SingleColourLayer
Chris@35 29 {
Chris@35 30 Q_OBJECT
Chris@35 31
Chris@35 32 public:
Chris@44 33 TextLayer();
Chris@35 34
Chris@44 35 virtual void paint(View *v, QPainter &paint, QRect rect) const;
Chris@35 36
Chris@44 37 virtual QString getFeatureDescription(View *v, QPoint &) const;
Chris@35 38
Chris@44 39 virtual bool snapToFeatureFrame(View *v, int &frame,
Chris@35 40 size_t &resolution,
Chris@35 41 SnapType snap) const;
Chris@35 42
Chris@44 43 virtual void drawStart(View *v, QMouseEvent *);
Chris@44 44 virtual void drawDrag(View *v, QMouseEvent *);
Chris@44 45 virtual void drawEnd(View *v, QMouseEvent *);
Chris@35 46
Chris@335 47 virtual void eraseStart(View *v, QMouseEvent *);
Chris@335 48 virtual void eraseDrag(View *v, QMouseEvent *);
Chris@335 49 virtual void eraseEnd(View *v, QMouseEvent *);
Chris@335 50
Chris@44 51 virtual void editStart(View *v, QMouseEvent *);
Chris@44 52 virtual void editDrag(View *v, QMouseEvent *);
Chris@44 53 virtual void editEnd(View *v, QMouseEvent *);
Chris@35 54
Chris@43 55 virtual void moveSelection(Selection s, size_t newStartFrame);
Chris@43 56 virtual void resizeSelection(Selection s, Selection newSize);
Chris@76 57 virtual void deleteSelection(Selection s);
Chris@76 58
Chris@359 59 virtual void copy(View *v, Selection s, Clipboard &to);
Chris@359 60 virtual bool paste(View *v, const Clipboard &from, int frameOffset,
Chris@125 61 bool interactive);
Chris@43 62
Chris@255 63 virtual bool editOpen(View *, QMouseEvent *); // on double-click
Chris@36 64
Chris@35 65 virtual const Model *getModel() const { return m_model; }
Chris@35 66 void setModel(TextModel *model);
Chris@35 67
Chris@35 68 virtual PropertyList getProperties() const;
Chris@87 69 virtual QString getPropertyLabel(const PropertyName &) const;
Chris@35 70 virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@35 71 virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@216 72 int *min, int *max, int *deflt) const;
Chris@35 73 virtual QString getPropertyValueLabel(const PropertyName &,
Chris@35 74 int value) const;
Chris@35 75 virtual void setProperty(const PropertyName &, int value);
Chris@35 76
Chris@44 77 virtual bool isLayerScrollable(const View *v) const;
Chris@35 78
Chris@35 79 virtual bool isLayerEditable() const { return true; }
Chris@35 80
Chris@115 81 virtual int getCompletion(View *) const { return m_model->getCompletion(); }
Chris@35 82
Chris@101 83 virtual bool getValueExtents(float &min, float &max,
Chris@101 84 bool &logarithmic, QString &unit) const;
Chris@79 85
Chris@316 86 virtual void toXml(QTextStream &stream, QString indent = "",
Chris@316 87 QString extraAttributes = "") const;
Chris@35 88
Chris@35 89 void setProperties(const QXmlAttributes &attributes);
Chris@35 90
Chris@35 91 protected:
Chris@44 92 int getYForHeight(View *v, float height) const;
Chris@44 93 float getHeightForY(View *v, int y) const;
Chris@35 94
Chris@287 95 virtual int getDefaultColourHint(bool dark, bool &impose);
Chris@287 96
Chris@44 97 TextModel::PointList getLocalPoints(View *v, int x, int y) const;
Chris@35 98
Chris@35 99 TextModel *m_model;
Chris@35 100 bool m_editing;
Chris@36 101 QPoint m_editOrigin;
Chris@35 102 TextModel::Point m_originalPoint;
Chris@35 103 TextModel::Point m_editingPoint;
Chris@35 104 TextModel::EditCommand *m_editingCommand;
Chris@376 105
Chris@376 106 void finish(TextModel::EditCommand *command) {
Chris@376 107 Command *c = command->finish();
Chris@376 108 if (c) CommandHistory::getInstance()->addCommand(c, false);
Chris@376 109 }
Chris@35 110 };
Chris@35 111
Chris@35 112 #endif
Chris@35 113