1 #ifndef LINKABLEMAPOBJ_H
2 #define LINKABLEMAPOBJ_H
6 #include "headingobj.h"
7 #include "flagrowobj.h"
14 /*! \brief This class adds links to MapObj
16 The links are connecting the branches (BranchObj) and images (FloatImageObj) in the map.
19 class LinkableMapObj:public MapObj {
21 /*! Orientation of an object depends on the position relative to the parent */
23 UndefinedOrientation, //!< Undefined
24 LeftOfCenter, //!< Object is left of center
25 RightOfCenter //!< Object is right of center
28 /*! Various drawing styles for links */
30 UndefinedStyle, //!< Undefined
31 Line, //!< Straight line
33 PolyLine, //!< Polygon (thick line)
34 PolyParabel //!< Thick parabel
37 /*! Vertical position of link in object */
39 Middle, //!< Link is drawn in the middle of object
40 Bottom //!< Link is drawn at bottom of object
43 /*! Hint if link should use the default link color or the color of heading */
45 DefaultColor, //!< Link uses the default color
46 HeadingColor //!< Link uses the color of heading
50 LinkableMapObj (QGraphicsScene*, TreeItem *ti=NULL);
51 LinkableMapObj (LinkableMapObj*);
52 virtual ~LinkableMapObj ();
53 virtual void delLink();
55 virtual void copy (LinkableMapObj*);
57 void setChildObj (LinkableMapObj*);
58 virtual void setParObj (LinkableMapObj*);
59 virtual void setParObjTmp (LinkableMapObj*,QPointF,int); // Only for moving Obj around
60 virtual void unsetParObjTmp(); // reuse original ParObj
61 virtual bool hasParObjTmp();
63 virtual void setUseRelPos (const bool&);
64 virtual void setRelPos(); // set relPos to current parentPos
65 virtual void setRelPos(const QPointF&);
66 virtual QPointF getRelPos();
68 virtual qreal getTopPad();
69 virtual qreal getLeftPad();
70 virtual qreal getRightPad();
71 Style getDefLinkStyle(TreeItem *parent);
72 void setLinkStyle(Style);
75 void setHideLinkUnselected();
76 void setLinkPos (Position);
77 Position getLinkPos ();
79 virtual void setLinkColor(); // sets color according to colorhint, overloaded
80 virtual void setLinkColor(QColor);
81 QColor getLinkColor();
82 virtual void setVisibility (bool);
83 virtual void setOrientation();
84 virtual void updateVisibility(); //! hides/unhides link depending on selection
86 /*! update parPos, childPos
88 redraw link with given style */
89 virtual void updateLinkGeometry();
91 LinkableMapObj* getChildObj(); // returns pointer to fromObj
92 LinkableMapObj* getParObj(); // returns pointer to toObj
93 virtual void setDockPos()=0; // sets childPos and parPos
94 QPointF getChildPos(); // returns pos where children dock
95 QPointF getParPos(); // returns pos where parents dock
96 Orientation getOrientation(); // get orientation
97 virtual QPointF getRandPos(); // make randomised position
99 virtual void reposition();
100 virtual void requestReposition(); // do reposition after next user event
101 virtual void forceReposition(); // to force a reposition now (outside
102 // of mapeditor e.g. in noteeditor
103 virtual bool repositionRequested();
105 virtual void calcBBoxSizeWithChildren()=0;// calc size of BBox including children recursivly
108 void parabel(QPolygonF &,double,double,double,double); // Create Parabel connecting two points
112 bool link2ParPos; // While moving around, sometimes link to parent
114 Orientation orientation;
115 qreal linkwidth; // width of a link
116 QRectF bboxTotal; // bounding box including children
118 LinkableMapObj* parObj;
119 LinkableMapObj* parObjTmpBuf; // temporary buffer the original parent
120 qreal bottomlineY; // vertical offset of dockpos to pos
122 int thickness_start; // for StylePoly*
123 Style style; // Current style
124 Position linkpos; // Link at bottom of object or middle of height
125 QColor linkcolor; // Link color
127 QGraphicsLineItem* l; // line style
128 QGraphicsPolygonItem* p; // poly styles
129 int arcsegs; // arc: number of segments
130 QList <QGraphicsLineItem*> segment; // a part of e.g. the parabel
131 QPolygonF pa0; // For drawing of PolyParabel and PolyLine
132 QPolygonF pa1; // For drawing of PolyParabel
133 QPolygonF pa2; // For drawing of PolyParabel
134 QGraphicsLineItem* bottomline; // on bottom of BBox
135 bool repositionRequest; //
137 qreal topPad, botPad,
138 leftPad, rightPad; // padding within bbox
140 QPointF relPos; // position relative to childPos of parent