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2 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
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3
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4 /*
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5 A waveform viewer and audio annotation editor.
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6 Chris Cannam, Queen Mary University of London, 2005-2006
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7
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8 This is experimental software. Not for distribution.
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9 */
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10
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11 #ifndef _PANE_H_
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12 #define _PANE_H_
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13
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14 #include <QFrame>
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15 #include <QPoint>
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16
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17 #include "base/ZoomConstraint.h"
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18 #include "base/View.h"
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19 #include "base/Selection.h"
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20
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21 class QWidget;
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22 class QPaintEvent;
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23 class Layer;
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24
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25 class Pane : public View
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26 {
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27 Q_OBJECT
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28
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29 public:
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30 Pane(QWidget *parent = 0);
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31 virtual QString getPropertyContainerIconName() const { return "pane"; }
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32
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33 virtual bool shouldIlluminateLocalFeatures(const Layer *layer,
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34 QPoint &pos) const;
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35 virtual bool shouldIlluminateLocalSelection(QPoint &pos,
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36 bool &closeToLeft,
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37 bool &closeToRight) const;
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38
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39 void setCentreLineVisible(bool visible);
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40 bool getCentreLineVisible() const { return m_centreLineVisible; }
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41
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42 virtual QString toXmlString(QString indent = "",
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43 QString extraAttributes = "") const;
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44
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45 signals:
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46 void paneInteractedWith();
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47
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48 public slots:
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49 virtual void toolModeChanged();
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50
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51 protected:
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52 virtual void paintEvent(QPaintEvent *e);
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53 virtual void mousePressEvent(QMouseEvent *e);
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54 virtual void mouseReleaseEvent(QMouseEvent *e);
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55 virtual void mouseMoveEvent(QMouseEvent *e);
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56 virtual void mouseDoubleClickEvent(QMouseEvent *e);
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57 virtual void leaveEvent(QEvent *e);
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58 virtual void wheelEvent(QWheelEvent *e);
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59
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60 Selection getSelectionAt(int x, bool &closeToLeft, bool &closeToRight) const;
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61
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62 bool editSelectionStart(QMouseEvent *e);
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63 bool editSelectionDrag(QMouseEvent *e);
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64 bool editSelectionEnd(QMouseEvent *e);
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65 bool selectionIsBeingEdited() const;
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66
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67 bool m_identifyFeatures;
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68 QPoint m_identifyPoint;
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69 QPoint m_clickPos;
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70 QPoint m_mousePos;
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71 bool m_clickedInRange;
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72 bool m_shiftPressed;
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73 bool m_ctrlPressed;
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74 bool m_navigating;
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75 bool m_resizing;
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76 size_t m_dragCentreFrame;
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77 bool m_centreLineVisible;
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78 size_t m_selectionStartFrame;
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79 Selection m_editingSelection;
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80 int m_editingSelectionEdge;
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81 };
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82
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83 #endif
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84
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