Vuo  2.3.2
VuoRendererCable.hh
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1 
10 #pragma once
11 
12 #include "VuoBaseDetail.hh"
13 #include "VuoRendererItem.hh"
14 #include "VuoRendererColors.hh"
15 
16 class VuoCable;
17 
21 class VuoRendererCable : public VuoRendererItem, public VuoBaseDetail<VuoCable>
22 {
23 public:
24  VuoRendererCable(VuoCable * baseCable);
25 
26  static const qreal cableWidth;
27  static const qreal cableYankRadius;
28 
29  QRectF boundingRect(void) const;
30  QPainterPath shape(void) const;
31  QPainterPath getCablePath(void) const;
32  void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
33  QPointF getFloatingEndpointLoc();
34  void setFloatingEndpointLoc(QPointF loc);
35  void setFloatingEndpointAboveEventPort(bool aboveEventPort);
36  bool isFloatingEndpointAboveEventPort(void);
37  void setFrom(VuoNode *fromNode, VuoPort *fromPort);
38  void setTo(VuoNode *toNode, VuoPort *toPort);
39  bool effectivelyCarriesData(void) const;
40  bool getEffectivelyWireless() const;
41  void setWireless(bool wireless);
42  void removeFromScene();
43  void extendedHoverEnterEvent();
44  void extendedHoverMoveEvent();
45  void extendedHoverLeaveEvent();
46  bool yankZoneIncludes(QPointF scenePos);
47  VuoPort * getFloatingEndpointPreviousToPort();
48  void setFloatingEndpointPreviousToPort(VuoPort *port);
49  bool getPreviouslyAlwaysEventOnly();
50  void setPreviouslyAlwaysEventOnly(bool eventOnly);
51  void setHovered(bool hovered);
52  void setEligibilityHighlight(VuoRendererColors::HighlightType eligibility);
53  void updateGeometry(void);
54  void resetTimeLastEventPropagated();
55  VuoNode::TintColor getTintColor(void);
56  bool paintingDisabled(void) const;
57  QPainterPath getCablePathForEndpoints(QPointF from, QPointF to) const;
58  static void getCableSpecs(bool cableCarriesData, qreal &cableWidth);
59  void setCacheModeForCableAndConnectedPorts(QGraphicsItem::CacheMode mode);
60  void setPortConstantsChanged();
61 
62 private:
63  // Drawing configuration
64  QPainterPath getOutline(QPointF startPoint,
65  QPointF endPoint,
66  bool cableCarriesData);
67 
68  void getYankZonePath(QPointF startPoint,
69  QPointF endPoint,
70  bool cableCarriesData,
71  bool toPortSupportsYanking,
72  QPainterPath &yankZone);
73  void arclineTo(QPainterPath &cablePath, QPointF to, float radius, float fromCableStandoff) const;
74 
75  QPointF floatingEndpointLoc;
76  VuoPort *floatingEndpointPreviousToPort;
77  bool previouslyAlwaysEventOnly;
78  bool floatingEndpointAboveEventPort;
79  bool isHovered;
80  VuoRendererColors::HighlightType _eligibilityHighlight;
81  qint64 timeLastEventPropagated;
82 
83  // Cached outline, and the cached attribute values used to calculate them.
84  QPainterPath cachedOutline;
85  QPair<QPointF, QPointF> cachedEndpointsForOutlines;
86  bool cachedCarriesDataValueForOutlines;
87  bool portConstantsChangedSinceLastCachedOutline;
88 
89  // Cached yank zones, and the cached attribute values used to calculate them.
90  QPainterPath cachedYankZonePath;
91  QPair<QPointF, QPointF> cachedEndpointsForYankZone;
92  bool cachedCarriesDataValueForYankZone;
93  bool cachedToPortSupportsYankingValueForYankZone;
94 
95  // Internal methods
96  QPointF getStartPoint(void) const;
97  QPointF getEndPoint(void) const;
98  bool isPublishedInputCableWithoutVisiblePublishedPort() const;
99  bool isPublishedOutputCableWithoutVisiblePublishedPort() const;
100  bool isConnectedToSelectedNode(void);
101 };
102 
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