visrandomtrackdragger.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        K. Tingdahl
 Date:          Feb 2006
________________________________________________________________________

-*/

#include "visobject.h"
#include "objectset.h"
#include "position.h"
#include "ranges.h"


namespace osg { class Switch; }

namespace visBase
{

class Transformation;
class Dragger;
class MarkerSet;
class PlaneDragCBHandler;
class PolyLine;


mExpClass(visBase) RandomTrackDragger : public VisualObjectImpl
{
    friend class PlaneDragCBHandler;

public:
    static RandomTrackDragger*  create()
                                mCreateDataObj(RandomTrackDragger);

    int                         nrKnots() const;
    Coord                       getKnot(int) const;
    void                        setKnot(int,const Coord&);
    void                        insertKnot(int,const Coord&);
    void                        removeKnot(int);

    int                         getKnotIdx(const TypeSet<int>& pickpath) const;

    void                        showAdjacentPanels(int knotidx,bool yn);
    bool                        areAdjacentPanelsShown(int knotidx) const;
    void                        showAllPanels(bool yn);
    bool                        areAllPanelsShown() const;

    Interval<float>             getDepthRange() const;
    void                        setDepthRange(const Interval<float>&);

    void                        setDisplayTransformation(const mVisTrans*);
    const mVisTrans*            getDisplayTransformation() const;

    void                        setLimits(const Coord3& start,
                                          const Coord3& stop,
                                          const Coord3& step);

    void                        showPlaneDraggers(bool yn,int minsizeinsteps=0);

    void                        setTransDragKeys(bool trans1d,int keys,
                                                 int groupidx=0);
    int                         getTransDragKeys(bool trans1d,
                                                 int groupidx=0) const;

    CNotifier<RandomTrackDragger,int> motion;   
    Notifier<RandomTrackDragger> movefinished;

    NotifierAccess*             rightClicked() { return &rightclicknotifier_; }
    const TypeSet<int>*         rightClickedPath() const;
    const EventInfo*            rightClickedEventInfo() const;

    void                        handleEvents(bool yn);
    bool                        isHandlingEvents() const;

    void                        setDragCtrlSpacing(const StepInterval<float>&,
                                                   const StepInterval<float>&,
                                                   const StepInterval<float>&);

protected:
                                ~RandomTrackDragger();

    void                        startCB(CallBacker*);
    void                        moveCB(CallBacker*);
    void                        finishCB(CallBacker*);

    void                        triggerRightClick(const EventInfo* eventinfo);

    void                        doSetKnot(int,const Coord&);

    void                        followActiveDragger(int activeidx);
    void                        updatePanels();
    void                        postponePanelUpdate(bool);
    void                        turnPanelOn(int planeidx,bool yn);
    void                        setPanelsPolygonOffset(bool);

    void                        removePlaneDraggerCBHandler(int idx);
    void                        addPlaneDraggerCBHandler();

    void                        updatePlaneDraggers();
    void                        updateKnotColor(int idx,bool horoverlap);
    bool                        canShowPlaneDragger(int planeidx,
                                                    bool& horoverlap) const;
    void                        snapToLimits(Coord3& pos) const;
    Coord3                      getPlaneBoundingBoxInSteps(int planeidx) const;

    bool                        doesKnotStickToBorder(int knotidx) const;
    unsigned char               getOnBorderFlags(int knotidx) const;

    void                        showRotationAxis(bool yn,int planeidx=0,
                                             Coord normpickedpos=Coord::udf());

    int                         getDragControlIdx(bool trans1d,int groupidx,
                                                  bool docreate);
    int                         getDragControlIdx(bool trans1d,
                                                  int groupidx) const;

    ObjectSet<Dragger>          draggers_;
                                /* Contains four coupled draggers per knot:
                                idx%4==0: 2D horizontal dragger at start depth
                                idx%4==1: 1D vertical dragger at start depth
                                idx%4==2: 2D horizontal dragger at stop depth
                                idx%4==3: 1D vertical dragger at stop depth */
    ObjectSet<MarkerSet>        draggermarkers_;

    ObjectSet<PlaneDragCBHandler>       planedraghandlers_;

    osg::Switch*                panels_;
    osg::Switch*                planedraggers_;
    osg::Switch*                rotationaxis_;

    BoolTypeSet                 showadjacents_;
    bool                        showallpanels_;

    bool                        showplanedraggers_;
    int                         planedraggerminsizeinsteps_;

    bool                        postponepanelupdate_;

    Interval<float>             zrange_;
    StepInterval<float>         limits_[3];
    StepInterval<float>         dragctrlspacing_[3];

    Geom::Rectangle<double>     horborder_;
    Interval<float>             zborder_;

    Notifier<RandomTrackDragger> rightclicknotifier_;
    const EventInfo*            rightclickeventinfo_;

    const mVisTrans*            displaytrans_;

    struct DragControl
    {
                                DragControl(bool trans1d,int groupidx);
                                ~DragControl()                          {}

        bool                    trans1d_;
        int                     groupidx_;
        int                     mousebutmask_;
        int                     modkeymask_;
    };

    ObjectSet<DragControl>      dragcontrols_;

    static const char*          sKeyDraggerScale() { return "subDraggerScale"; }
};

} // namespace visBase