insilmaril@2: #include <math.h>
insilmaril@0: 
insilmaril@0: #include "linkablemapobj.h"
insilmaril@0: #include "branchobj.h"
insilmaril@0: #include "mapeditor.h"
insilmaril@0: 
insilmaril@0: #include "version.h"
insilmaril@2: //Added by qt3to4:
insilmaril@2: #include <Q3PointArray>
insilmaril@0: 
insilmaril@0: 
insilmaril@0: /////////////////////////////////////////////////////////////////
insilmaril@0: // LinkableMapObj
insilmaril@0: /////////////////////////////////////////////////////////////////
insilmaril@0: 
insilmaril@0: LinkableMapObj::LinkableMapObj():MapObj()
insilmaril@0: {
insilmaril@0:   //  cout << "Const LinkableMapObj ()\n";
insilmaril@0:     init ();
insilmaril@0: }
insilmaril@0: 
insilmaril@2: LinkableMapObj::LinkableMapObj(Q3Canvas* c) :MapObj(c)
insilmaril@0: {
insilmaril@0: //    cout << "Const LinkableMapObj\n";
insilmaril@0:     init ();
insilmaril@0: }
insilmaril@0: 
insilmaril@0: LinkableMapObj::LinkableMapObj (LinkableMapObj* lmo) : MapObj (lmo->canvas)
insilmaril@0: {
insilmaril@0:     copy (lmo);
insilmaril@0: }
insilmaril@0: 
insilmaril@0: LinkableMapObj::~LinkableMapObj()
insilmaril@0: {
insilmaril@0:     delete (bottomline);
insilmaril@0:     delete (selbox);
insilmaril@0: 	delete (frame);
insilmaril@0: 	delLink();
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::delLink()
insilmaril@0: {
insilmaril@0: 	switch (style)
insilmaril@0: 	{
insilmaril@0: 		case StyleLine:
insilmaril@0: 			delete (l);
insilmaril@0: 			break;
insilmaril@0: 		case StyleParabel:
insilmaril@0: 			segment.clear();
insilmaril@0: 			break;
insilmaril@0: 		case StylePolyLine:
insilmaril@0: 			delete (p);
insilmaril@0: 			delete (l);
insilmaril@0: 			break;
insilmaril@0: 		case StylePolyParabel:
insilmaril@0: 			delete (p);
insilmaril@0: 			segment.clear();
insilmaril@0: 			break;
insilmaril@0: 		default:
insilmaril@0: 			break;
insilmaril@0: 	}		
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::init ()
insilmaril@0: {
insilmaril@0:     depth=-1;	
insilmaril@2: 	mapEditor=NULL;
insilmaril@0:     childObj=NULL;
insilmaril@0:     parObj=NULL;
insilmaril@0:     parObjTmpBuf=NULL;
insilmaril@0:     parPos=QPoint(0,0);
insilmaril@0:     childPos=QPoint(0,0);
insilmaril@0: 	link2ParPos=false;
insilmaril@0:     l=NULL;
insilmaril@0:     orientation=OrientUndef;
insilmaril@0:     linkwidth=20;		
insilmaril@0: 	thickness_start=8;
insilmaril@0:     style=StyleUndef;
insilmaril@0: 	linkpos=LinkBottom;
insilmaril@0:     segment.setAutoDelete (TRUE);
insilmaril@0:     arcsegs=13;
insilmaril@2: 	Q3PointArray pa(arcsegs*2+2);
insilmaril@0:     
insilmaril@2:     bottomline=new Q3CanvasLine(canvas);
insilmaril@0:     bottomline->setPen( QPen(linkcolor, 1) );
insilmaril@0:     bottomline->setZ(Z_LINK);
insilmaril@0:     bottomline->show();
insilmaril@0: 
insilmaril@0:     // Prepare showing the selection of a MapObj
insilmaril@2:     selbox = new Q3CanvasRectangle (canvas);
insilmaril@0:     selbox->setZ(Z_SELBOX);
insilmaril@0:     selbox->setBrush( QColor(255,255,0) );
insilmaril@0:     selbox->setPen( QPen(QColor(255,255,0) ));
insilmaril@0:     selbox->hide();
insilmaril@0:     selected=false;
insilmaril@0: 
insilmaril@2: 	hideLinkUnselected=false;
insilmaril@2: 
insilmaril@2: 	topPad=botPad=leftPad=rightPad=0;
insilmaril@2: 
insilmaril@0: 	// initialize frame
insilmaril@0: 	frame = new FrameObj (canvas);
insilmaril@0: 	
insilmaril@0: 	repositionRequest=false;
insilmaril@2: 
insilmaril@2: 	// Rel Positions
insilmaril@2: 	relPos=QPoint(0,0);
insilmaril@2: 	useRelPos=false;
insilmaril@2: 	useOrientation=true;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::copy (LinkableMapObj* other)
insilmaril@0: {
insilmaril@0:     MapObj::copy(other);
insilmaril@0: 	bboxTotal=other->bboxTotal;
insilmaril@0:     setLinkStyle(other->style);
insilmaril@0:     setLinkColor (other->linkcolor);
insilmaril@2: 	relPos=other->relPos;
insilmaril@2: 	useOrientation=other->useOrientation;
insilmaril@2: 
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setChildObj(LinkableMapObj* o)
insilmaril@0: {
insilmaril@0:     childObj=o;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setParObj(LinkableMapObj* o)
insilmaril@0: {
insilmaril@0:     parObj=o;
insilmaril@0: 	mapEditor=parObj->getMapEditor();
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setParObjTmp(LinkableMapObj*,QPoint,int)
insilmaril@0: {
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::unsetParObjTmp()
insilmaril@0: {
insilmaril@0: }
insilmaril@0: 
insilmaril@2: bool LinkableMapObj::hasParObjTmp()
insilmaril@2: {
insilmaril@2: 	if (parObjTmpBuf) return true;
insilmaril@2: 	return false;
insilmaril@2: }
insilmaril@2: 
insilmaril@2: void LinkableMapObj::setUseRelPos (const bool &b)
insilmaril@2: {
insilmaril@2: 	useRelPos=b;
insilmaril@2: }
insilmaril@2: 
insilmaril@2: void LinkableMapObj::setRelPos()
insilmaril@2: {
insilmaril@2: 	if (parObj)
insilmaril@2: 	{	
insilmaril@20: 		relPos=getRelPos();
insilmaril@2: 
insilmaril@2: 		parObj->calcBBoxSize();
insilmaril@2: 		parObj->requestReposition();
insilmaril@2: 	}	
insilmaril@2: }
insilmaril@2: 
insilmaril@2: void LinkableMapObj::setRelPos(const QPoint &p)
insilmaril@2: {
insilmaril@2: 	relPos=p;
insilmaril@2: 	if (parObj)
insilmaril@2: 	{	parObj->calcBBoxSize();
insilmaril@2: 		parObj->requestReposition();
insilmaril@2: 	}	
insilmaril@2: }
insilmaril@2: 
insilmaril@20: QPoint LinkableMapObj::getRelPos()
insilmaril@20: {
insilmaril@20: 	if (!parObj) return QPoint();
insilmaril@20: 	relPos.setX (absPos.x() - parObj->getChildPos().x() );
insilmaril@20: 	relPos.setY (absPos.y() - parObj->getChildPos().y() );
insilmaril@20: 	return relPos;
insilmaril@20: }
insilmaril@20: 
insilmaril@2: int LinkableMapObj::getTopPad()
insilmaril@2: {
insilmaril@2: 	return topPad;
insilmaril@2: }
insilmaril@2: 
insilmaril@2: int LinkableMapObj::getLeftPad()
insilmaril@2: {
insilmaril@2: 	return leftPad;
insilmaril@2: }
insilmaril@2: 
insilmaril@2: int LinkableMapObj::getRightPad()
insilmaril@2: {
insilmaril@2: 	return rightPad;
insilmaril@2: }
insilmaril@2: 
insilmaril@0: LinkStyle LinkableMapObj::getDefLinkStyle ()
insilmaril@0: {
insilmaril@2: 	if (!mapEditor) return StyleUndef;
insilmaril@2: 
insilmaril@0: 	LinkStyle ls=mapEditor->getLinkStyle();
insilmaril@0: 	switch (ls)
insilmaril@0: 	{
insilmaril@0: 		case StyleLine: 
insilmaril@0: 			return ls;
insilmaril@0: 			break;
insilmaril@0: 		case StyleParabel:
insilmaril@0: 			return ls;
insilmaril@0: 			break;
insilmaril@0: 		case StylePolyLine:	
insilmaril@0: 			if (depth>1)
insilmaril@0: 				return StyleLine;
insilmaril@0: 			else	
insilmaril@0: 				return ls;
insilmaril@0: 			break;
insilmaril@0: 		case StylePolyParabel:	
insilmaril@0: 			if (depth>1)
insilmaril@0: 				return StyleParabel;
insilmaril@0: 			else	
insilmaril@0: 				return ls;
insilmaril@0: 			break;
insilmaril@0: 		default: 
insilmaril@0: 			break;	
insilmaril@0: 	}	
insilmaril@0: 	return StyleUndef;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setLinkStyle(LinkStyle newstyle)
insilmaril@0: {
insilmaril@2: 	//if (newstyle=style) return;
insilmaril@0: 	delLink();
insilmaril@0: 		
insilmaril@0: 	style=newstyle;
insilmaril@0: 
insilmaril@0:     if (childObj!=NULL && parObj != NULL)
insilmaril@0:     {
insilmaril@0: 		int i;
insilmaril@2: 		Q3CanvasLine* cl;
insilmaril@0: 		switch (style)
insilmaril@0: 		{
insilmaril@0: 			case StyleUndef:
insilmaril@0: 				bottomline->hide();
insilmaril@0: 				break;
insilmaril@0: 			case StyleLine: 
insilmaril@2: 				l = new Q3CanvasLine(canvas);
insilmaril@0: 				l->setPen( QPen(linkcolor, 1) );
insilmaril@0: 				l->setZ(Z_LINK);
insilmaril@0: 				if (visible)
insilmaril@0: 					l->show();
insilmaril@0: 				else
insilmaril@0: 					l->hide();
insilmaril@0: 				break;
insilmaril@0: 			case StyleParabel:
insilmaril@0: 				for (i=0;i<arcsegs;i++)
insilmaril@0: 				{
insilmaril@2: 					cl = new Q3CanvasLine(canvas);
insilmaril@0: 					cl->setPen( QPen(linkcolor, 1) );
insilmaril@0: 					cl->setPoints( 0,0,i*10,100);
insilmaril@0: 					cl->setZ(Z_LINK);
insilmaril@0: 					if (visible)
insilmaril@0: 						cl->show();
insilmaril@0: 					else
insilmaril@0: 						cl->hide();
insilmaril@0: 					segment.append(cl);
insilmaril@0: 				}
insilmaril@0: 				pa0.resize (arcsegs+1);
insilmaril@0: 				break;
insilmaril@0: 			case StylePolyLine:	
insilmaril@2: 				p = new Q3CanvasPolygon(canvas);
insilmaril@0: 				p->setBrush( linkcolor );
insilmaril@0: 				p->setZ(Z_LINK);
insilmaril@0: 				if (visible)
insilmaril@0: 					p->show();
insilmaril@0: 				else
insilmaril@0: 					p->hide();
insilmaril@0: 				pa0.resize (3);
insilmaril@2: 				// TODO a bit awkward: draw the lines additionally to polygon, to avoid
insilmaril@0: 				// missing pixels, when polygon is extremly flat
insilmaril@2: 				l = new Q3CanvasLine(canvas);
insilmaril@0: 				l->setPen( QPen(linkcolor, 1) );
insilmaril@0: 				l->setZ(Z_LINK);
insilmaril@0: 				if (visible)
insilmaril@0: 					l->show();
insilmaril@0: 				else
insilmaril@0: 					l->hide();
insilmaril@0: 				break;
insilmaril@0: 			case StylePolyParabel:	
insilmaril@2: 				p = new Q3CanvasPolygon(canvas);
insilmaril@0: 				p->setBrush( linkcolor );
insilmaril@0: 				p->setZ(Z_LINK);
insilmaril@0: 				if (visible)
insilmaril@0: 					p->show();
insilmaril@0: 				else
insilmaril@0: 					p->hide();
insilmaril@0: 				pa0.resize (arcsegs*2+2);
insilmaril@0: 				pa1.resize (arcsegs+1);
insilmaril@0: 				pa2.resize (arcsegs+1);
insilmaril@0: 
insilmaril@2: 				// TODO a bit awkward: draw the lines additionally 
insilmaril@0: 				// to polygon, to avoid missing pixels, 
insilmaril@0: 				// if polygon is extremly flat
insilmaril@0: 				for (i=0;i<arcsegs;i++)
insilmaril@0: 				{
insilmaril@2: 					cl = new Q3CanvasLine(canvas);
insilmaril@0: 					cl->setPen( QPen(linkcolor, 1) );
insilmaril@0: 					cl->setPoints( 0,0,i*10,100);
insilmaril@0: 					cl->setZ(Z_LINK);
insilmaril@0: 					if (visible)
insilmaril@0: 						cl->show();
insilmaril@0: 					else
insilmaril@0: 						cl->hide();
insilmaril@0: 					segment.append(cl);
insilmaril@0: 				}
insilmaril@0: 				break;
insilmaril@0: 			default: 
insilmaril@0: 				break;	
insilmaril@0: 		}	
insilmaril@2: 	} 
insilmaril@0: }
insilmaril@0: 
insilmaril@0: LinkStyle LinkableMapObj::getLinkStyle()
insilmaril@0: {
insilmaril@0: 	return style;
insilmaril@0: }
insilmaril@0: 
insilmaril@2: void LinkableMapObj::setHideLinkUnselected(bool b)
insilmaril@2: {
insilmaril@2: 	hideLinkUnselected=b;
insilmaril@2: 	setVisibility (visible);
insilmaril@2: 	updateLink();
insilmaril@2: }
insilmaril@2: 
insilmaril@2: bool LinkableMapObj::getHideLinkUnselected()
insilmaril@2: {
insilmaril@2: 	return hideLinkUnselected;
insilmaril@2: }
insilmaril@2: 
insilmaril@0: void LinkableMapObj::setLinkPos(LinkPos lp)
insilmaril@0: {
insilmaril@0: 	linkpos=lp;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: LinkPos LinkableMapObj::getLinkPos()
insilmaril@0: {
insilmaril@0: 	return linkpos;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setLinkColor()
insilmaril@0: {
insilmaril@0: 	// Overloaded in BranchObj and childs
insilmaril@0: 	// here only set default color
insilmaril@2: 	if (mapEditor)
insilmaril@2: 		setLinkColor (mapEditor->getDefLinkColor());
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setLinkColor(QColor col)
insilmaril@0: {
insilmaril@0: 	linkcolor=col;
insilmaril@0:     bottomline->setPen( QPen(linkcolor, 1) );
insilmaril@2: 	Q3CanvasLine *cl;
insilmaril@0: 	switch (style)
insilmaril@0: 	{
insilmaril@0: 		case StyleLine:
insilmaril@0: 			l->setPen( QPen(col,1));
insilmaril@0: 			break;	
insilmaril@0: 		case StyleParabel:	
insilmaril@0: 			for (cl=segment.first(); cl; cl=segment.next() )
insilmaril@0: 				cl->setPen( QPen(col,1));
insilmaril@0: 			break;
insilmaril@0: 		case StylePolyLine:
insilmaril@0: 			p->setBrush( QBrush(col));
insilmaril@0: 			l->setPen( QPen(col,1));
insilmaril@0: 			break;
insilmaril@0: 		case StylePolyParabel:	
insilmaril@0: 			p->setBrush( QBrush(col));
insilmaril@0: 			for (cl=segment.first(); cl; cl=segment.next() )
insilmaril@0: 				cl->setPen( QPen(col,1));
insilmaril@0: 			break;
insilmaril@0: 		default:
insilmaril@0: 			break;
insilmaril@0: 	} // switch (style)	
insilmaril@0: }
insilmaril@0: 
insilmaril@0: QColor LinkableMapObj::getLinkColor()
insilmaril@0: {
insilmaril@0: 	return linkcolor;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: FrameType LinkableMapObj::getFrameType()
insilmaril@0: {
insilmaril@0: 	return frame->getFrameType();
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setFrameType(const FrameType &t)
insilmaril@0: {
insilmaril@0: 	frame->setFrameType(t);
insilmaril@0: 	calcBBoxSize();
insilmaril@0: 	positionBBox();
insilmaril@0: 	requestReposition();
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setFrameType(const QString &t)
insilmaril@0: {
insilmaril@0: 	frame->setFrameType(t);
insilmaril@0: 	calcBBoxSize();
insilmaril@0: 	positionBBox();
insilmaril@0: 	requestReposition();
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setVisibility (bool v)
insilmaril@0: {
insilmaril@2: 	Q3CanvasLine* cl;
insilmaril@0: 	MapObj::setVisibility (v);
insilmaril@2: 	bool visnow=visible;
insilmaril@2: 
insilmaril@2: 	// We can hide the link, while object is not selected
insilmaril@2: 	if (hideLinkUnselected && !selected)
insilmaril@2: 		visnow=false;
insilmaril@2: 
insilmaril@2: 	if (visnow) 
insilmaril@0: 	{
insilmaril@0: 		bottomline->show();
insilmaril@2: 		switch (style)
insilmaril@0: 		{
insilmaril@2: 			case StyleLine:
insilmaril@2: 				if (l) l->show();
insilmaril@2: 				break;
insilmaril@2: 			case StyleParabel:	
insilmaril@2: 				for (cl=segment.first(); cl; cl=segment.next() )
insilmaril@2: 					cl->show();
insilmaril@2: 				break;	
insilmaril@2: 			case StylePolyLine:
insilmaril@2: 				if (p) p->show();
insilmaril@2: 				if (l) l->show();
insilmaril@2: 				break;
insilmaril@2: 			case StylePolyParabel:	
insilmaril@2: 				for (cl=segment.first(); cl; cl=segment.next() )
insilmaril@2: 					cl->show();
insilmaril@2: 				if (p) p->show();
insilmaril@2: 				break;
insilmaril@2: 			default:
insilmaril@2: 				break;
insilmaril@2: 		}
insilmaril@0: 	} else 
insilmaril@0: 	{
insilmaril@0: 		bottomline->hide();
insilmaril@2: 		switch (style)
insilmaril@0: 		{
insilmaril@2: 			case StyleLine:
insilmaril@2: 				if (l) l->hide();
insilmaril@2: 				break;
insilmaril@2: 			case StyleParabel:	
insilmaril@2: 				for (cl=segment.first(); cl; cl=segment.next() )
insilmaril@2: 					cl->hide();
insilmaril@2: 				break;	
insilmaril@2: 			case StylePolyLine:
insilmaril@2: 				if (p) p->hide();
insilmaril@2: 				if (l) l->hide();
insilmaril@2: 				break;
insilmaril@2: 			case StylePolyParabel:	
insilmaril@2: 				for (cl=segment.first(); cl; cl=segment.next() )
insilmaril@2: 					cl->hide();
insilmaril@2: 				if (p) p->hide();
insilmaril@2: 				break;
insilmaril@2: 			default:
insilmaril@2: 				break;
insilmaril@2: 		}
insilmaril@0: 	}	
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::updateLink()
insilmaril@0: {
insilmaril@0:     // needs:
insilmaril@0:     //	childPos of parent
insilmaril@0:     //	orient   of parent
insilmaril@0:     //	style
insilmaril@0:     // 
insilmaril@0:     // sets:
insilmaril@0:     //	orientation
insilmaril@2:     //	childPos	(by calling setDockPos())
insilmaril@2:     //	parPos		(by calling setDockPos())
insilmaril@2: 	//  bottomlineY
insilmaril@0:     //	drawing of the link itself
insilmaril@0: 
insilmaril@0: 	// updateLink is called from move, but called from constructor we don't
insilmaril@0: 	// have parents yet...
insilmaril@0: 	if (style==StyleUndef) return;	
insilmaril@0: 
insilmaril@0: 	if (frame->getFrameType() == NoFrame)
insilmaril@0: 		linkpos=LinkBottom;
insilmaril@0: 	else	
insilmaril@0: 		linkpos=LinkMiddle;
insilmaril@0: 	switch (linkpos)
insilmaril@0: 	{
insilmaril@0: 		case LinkMiddle:
insilmaril@2: 			bottomlineY=bbox.top()+bbox.height() /2;	// draw link to middle (of frame)
insilmaril@0: 			break;
insilmaril@0: 		default :
insilmaril@2: 			bottomlineY=bbox.bottom()-1;	// draw link to bottom of box
insilmaril@0: 			break;
insilmaril@0: 	}
insilmaril@0: 	
insilmaril@0:     double p2x,p2y;								// Set P2 Before setting
insilmaril@0: 	if (!link2ParPos)
insilmaril@0: 	{
insilmaril@0: 		p2x=QPoint( parObj->getChildPos() ).x();	// P1, we have to look at
insilmaril@0: 		p2y=QPoint( parObj->getChildPos() ).y();	// orientation
insilmaril@0: 	} else	
insilmaril@0: 	{
insilmaril@0: 		p2x=QPoint( parObj->getParPos() ).x();	
insilmaril@0: 		p2y=QPoint( parObj->getParPos() ).y();
insilmaril@0: 	} 
insilmaril@0: 
insilmaril@0: 	LinkOrient orientOld=orientation;
insilmaril@0: 
insilmaril@0:     // Set orientation, first look for orientation of parent
insilmaril@0:     if (parObj->getOrientation() != OrientUndef ) 
insilmaril@0: 		// use the orientation of the parent:
insilmaril@0: 		orientation=parObj->getOrientation();
insilmaril@0:     else
insilmaril@0:     {
insilmaril@0: 		// calc orientation depending on position rel to mapCenter
insilmaril@0: 		if (absPos.x() < QPoint(parObj->getChildPos() ).x() )
insilmaril@0: 			orientation=OrientLeftOfCenter; 
insilmaril@0: 		else
insilmaril@0: 			orientation=OrientRightOfCenter;
insilmaril@0:     }
insilmaril@0: 
insilmaril@0: 	if ((orientation!=orientOld) && (orientOld!= OrientUndef))
insilmaril@0: 	{
insilmaril@0: 		// Orientation just changed. Reorient this subbranch, because move is called
insilmaril@0: 		// before updateLink => Position is still the old one, which could lead to 
insilmaril@0: 		// linking of subranch to itself => segfault
insilmaril@0: 		//
insilmaril@0: 		// Also possible: called in BranchObj::init(), then orientOld==OrientUndef,
insilmaril@0: 		// no need to reposition now
insilmaril@0: 		reposition();
insilmaril@0: 	}
insilmaril@0: 	
insilmaril@2: 	setDockPos();
insilmaril@0: 
insilmaril@0: 	double p1x=parPos.x();	// Link is drawn from P1 to P2
insilmaril@0: 	double p1y=parPos.y();
insilmaril@0: 
insilmaril@0: 	double vx=p2x - p1x;	// V=P2-P1
insilmaril@0: 	double vy=p2y - p1y;
insilmaril@0: 
insilmaril@0: 	// Draw the horizontal line below heading (from ChildPos to ParPos)
insilmaril@2: 	bottomline->setPoints (qRound(childPos.x()),
insilmaril@2: 		qRound(childPos.y()),
insilmaril@2: 		qRound(p1x),
insilmaril@2: 		qRound(p1y) );
insilmaril@0: 
insilmaril@0: 	double a;	// angle
insilmaril@0: 	if (vx > -0.000001 && vx < 0.000001)
insilmaril@0: 		a=M_PI_2;
insilmaril@0: 	else
insilmaril@0: 		a=atan( vy / vx );
insilmaril@0: 	// "turning point" for drawing polygonal links
insilmaril@2: 	QPoint tp (-qRound(sin (a)*thickness_start), qRound(cos (a)*thickness_start));	
insilmaril@0: 	
insilmaril@2: 	Q3CanvasLine *cl;
insilmaril@0: 
insilmaril@0: 	int i;
insilmaril@0: 
insilmaril@0:     // Draw the link
insilmaril@0: 	switch (style)
insilmaril@0: 	{
insilmaril@0: 		case StyleLine:
insilmaril@2: 			l->setPoints( qRound (parPos.x()),
insilmaril@2: 				qRound(parPos.y()),
insilmaril@2: 				qRound(p2x),
insilmaril@2: 				qRound(p2y) );
insilmaril@0: 			break;	
insilmaril@0: 		case StyleParabel:	
insilmaril@0: 			parabel (pa0, p1x,p1y,p2x,p2y);
insilmaril@0: 			i=0;
insilmaril@0: 			for (cl=segment.first(); cl; cl=segment.next() )
insilmaril@0: 			{	
insilmaril@0: 				cl->setPoints( pa0.point(i).x(), pa0.point(i).y(),pa0.point(i+1).x(),pa0.point(i+1).y());
insilmaril@0: 				i++;
insilmaril@0: 			}
insilmaril@0: 			break;
insilmaril@0: 		case StylePolyLine:
insilmaril@2: 			pa0[0]=QPoint (qRound(p2x+tp.x()), qRound(p2y+tp.y()));
insilmaril@2: 			pa0[1]=QPoint (qRound(p2x-tp.x()), qRound(p2y-tp.y()));
insilmaril@2: 			pa0[2]=QPoint (qRound (parPos.x()), qRound(parPos.y()) );
insilmaril@0: 			p->setPoints (pa0);
insilmaril@0: 			// here too, draw line to avoid missing pixels
insilmaril@2: 			l->setPoints( qRound (parPos.x()),
insilmaril@2: 				qRound(parPos.y()),
insilmaril@2: 				qRound(p2x),
insilmaril@2: 				qRound(p2y) );
insilmaril@0: 			break;
insilmaril@0: 		case StylePolyParabel:	
insilmaril@0: 			parabel (pa1, p1x,p1y,p2x+tp.x(),p2y+tp.y());
insilmaril@0: 			parabel (pa2, p1x,p1y,p2x-tp.x(),p2y-tp.y());
insilmaril@0: 			for (i=0;i<=arcsegs;i++)
insilmaril@0: 			{
insilmaril@0: 				// Combine the arrays to a single one
insilmaril@0: 				pa0[i]=pa1[i];
insilmaril@0: 				pa0[i+arcsegs+1]=pa2[arcsegs-i];
insilmaril@0: 			}	
insilmaril@0: 			p->setPoints (pa0);
insilmaril@0: 			i=0;
insilmaril@0: 			for (cl=segment.first(); cl; cl=segment.next() )
insilmaril@0: 			{	
insilmaril@0: 				cl->setPoints( pa1.point(i).x(), pa1.point(i).y(),pa1.point(i+1).x(),pa1.point(i+1).y());
insilmaril@0: 				i++;
insilmaril@0: 			}
insilmaril@0: 			break;
insilmaril@0: 		default:
insilmaril@0: 			break;
insilmaril@0: 	} // switch (style)	
insilmaril@0: }
insilmaril@0: 	
insilmaril@0: LinkableMapObj* LinkableMapObj::getChildObj()
insilmaril@0: {
insilmaril@0:     return childObj;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: LinkableMapObj* LinkableMapObj::getParObj()
insilmaril@0: {
insilmaril@0:     return parObj;
insilmaril@0: }
insilmaril@0: 
insilmaril@2: LinkableMapObj* LinkableMapObj::findObjBySelect (QString s)
insilmaril@2: {
insilmaril@2: 	LinkableMapObj *lmo=this;
insilmaril@2: 	QString part;
insilmaril@2: 	QString typ;
insilmaril@2: 	QString num;
insilmaril@2: 	while (!s.isEmpty() )
insilmaril@2: 	{
insilmaril@2: 		part=s.section(",",0,0);
insilmaril@2: 		typ=part.left (3);
insilmaril@2: 		num=part.right(part.length() - 3);
insilmaril@2: 		if (typ=="mc:")
insilmaril@2: 		{
insilmaril@2: 			if (depth>0)
insilmaril@2: 				return false;	// in a subtree there is no center
insilmaril@2: 			else
insilmaril@2: 				break;
insilmaril@2: 		} else
insilmaril@2: 			if (typ=="bo:")
insilmaril@2: 				lmo=((BranchObj*)(lmo))->getBranchNum (num.toUInt());
insilmaril@2: 			else
insilmaril@2: 				if (typ=="fi:")
insilmaril@2: 					lmo=((BranchObj*)(lmo))->getFloatImageNum (num.toUInt());
insilmaril@2: 		if (!lmo) break;
insilmaril@2: 		
insilmaril@2: 		if (s.contains(","))
insilmaril@2: 			s=s.right(s.length() - part.length() -1 );
insilmaril@2: 		else	
insilmaril@2: 			break;
insilmaril@2: 	}
insilmaril@2: 	return lmo;
insilmaril@2: }
insilmaril@2: 
insilmaril@2: void LinkableMapObj::setDockPos()
insilmaril@2: {
insilmaril@2: 	cout <<"LMO::setDockPos()\n";
insilmaril@2: }
insilmaril@2: 
insilmaril@0: QPoint LinkableMapObj::getChildPos()
insilmaril@0: {
insilmaril@0:     return childPos;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: QPoint LinkableMapObj::getParPos()
insilmaril@0: {
insilmaril@0:     return parPos;
insilmaril@0: }
insilmaril@0: 
insilmaril@2: void LinkableMapObj::setUseOrientation (const bool &b)
insilmaril@2: {	
insilmaril@2: 	if (useOrientation!=b)
insilmaril@2: 	{
insilmaril@2: 		useOrientation=b;
insilmaril@2: 		requestReposition();
insilmaril@2: 	}	
insilmaril@0: }
insilmaril@0: 
insilmaril@0: LinkOrient LinkableMapObj::getOrientation()
insilmaril@0: {
insilmaril@0:     return orientation;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: int LinkableMapObj::getDepth()
insilmaril@0: {
insilmaril@0:     return depth;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setMapEditor (MapEditor *me)
insilmaril@0: {
insilmaril@0: 	mapEditor=me;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: MapEditor* LinkableMapObj::getMapEditor ()
insilmaril@0: {
insilmaril@0: 	return mapEditor;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: QPoint LinkableMapObj::getRandPos()
insilmaril@0: {
insilmaril@0: 	// Choose a random position with given distance to parent:
insilmaril@0: 	double a=rand()%360 * 2 * M_PI / 360;
insilmaril@0:     return QPoint ( (int)( + 150*cos (a)),
insilmaril@0:                     (int)( + 150*sin (a)));
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::alignRelativeTo (QPoint ref)
insilmaril@0: {
insilmaril@2: 	// FIXME testing, seems not to be used right now...
insilmaril@2: 	cout << "LMO::alignRelTo   ref="<<ref<<endl;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::reposition()
insilmaril@0: {
insilmaril@0: 	if (depth==0)
insilmaril@0: 	{
insilmaril@0: 		// only calculate the sizes once. If the deepest LMO changes its height,
insilmaril@0: 		// all upper LMOs have to change, too.
insilmaril@0: 		calcBBoxSizeWithChilds();
insilmaril@0: 
insilmaril@0: 	    alignRelativeTo ( QPoint (absPos.x(),
insilmaril@0: 							absPos.y()-(bboxTotal.height()-bbox.height())/2) );
insilmaril@0: 	} else
insilmaril@0: 	{
insilmaril@0: 		// This is only important for moving branches:
insilmaril@0: 		// For editing a branch it isn't called...
insilmaril@0: 	    alignRelativeTo ( QPoint (absPos.x(),
insilmaril@0: 							absPos.y()-(bboxTotal.height()-bbox.height())/2) );
insilmaril@0: 	}
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::requestReposition()
insilmaril@0: {
insilmaril@0: 	if (!repositionRequest)
insilmaril@0: 	{
insilmaril@0: 		// Pass on the request to parental objects, if this hasn't
insilmaril@0: 		// been done yet
insilmaril@0: 		repositionRequest=true;
insilmaril@0: 		if (parObj) parObj->requestReposition();
insilmaril@0: 	}
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::forceReposition()
insilmaril@0: {
insilmaril@0: 	// Sometimes a reposition has to be done immediatly: For example
insilmaril@0: 	// if the note editor flag changes, there is no user event in mapeditor
insilmaril@0: 	// which could collect requests for a reposition.
insilmaril@0: 	// Then we have to call forceReposition()
insilmaril@0: 	// But no rule without exception: While loading a map or undoing it,
insilmaril@0: 	// we want to block expensive repositioning, but just do it once at
insilmaril@0: 	// the end, thus check first:
insilmaril@0: 
insilmaril@2: 	if (mapEditor->isRepositionBlocked()) return;
insilmaril@0: 	
insilmaril@0: 	// Pass on the request to parental objects, if this hasn't been done yet
insilmaril@0: 	
insilmaril@0: 	if (parObj) 
insilmaril@0: 		parObj->forceReposition(); 
insilmaril@0: 	else 
insilmaril@2: 		reposition(); 
insilmaril@2: }
insilmaril@0: 
insilmaril@0: bool LinkableMapObj::repositionRequested()
insilmaril@0: {
insilmaril@0: 	return repositionRequest;
insilmaril@0: }
insilmaril@0: 
insilmaril@0: 
insilmaril@0: void LinkableMapObj::setSelBox()
insilmaril@0: {
insilmaril@2:     selbox->setX (clickBox.x() );
insilmaril@2:     selbox->setY (clickBox.y() );
insilmaril@2:     selbox->setSize (clickBox.width(), clickBox.height() );
insilmaril@0: }
insilmaril@0: 
insilmaril@0: void LinkableMapObj::select()
insilmaril@0: {
insilmaril@0: 	setSelBox();
insilmaril@0:     selected=true;
insilmaril@0:     selbox->show();
insilmaril@2: // FIXME not needed?	
insilmaril@2: 	setVisibility (visible);
insilmaril@0: }
insilmaril@0: 
insilmaril@0: 
insilmaril@0: void LinkableMapObj::unselect()
insilmaril@0: {
insilmaril@0:     selected=false;
insilmaril@0:     selbox->hide();
insilmaril@2: 	// Maybe we have to hide the link:
insilmaril@2: 	setVisibility (visible);
insilmaril@0: }
insilmaril@0: 
insilmaril@2: void LinkableMapObj::parabel (Q3PointArray &ya, double p1x, double p1y, double p2x, double p2y)
insilmaril@0: 
insilmaril@0: {
insilmaril@0: 	double vx=p2x - p1x;	// V=P2-P1
insilmaril@0: 	double vy=p2y - p1y;
insilmaril@0: 
insilmaril@0: 	double dx;				// delta x during calculation of parabel
insilmaril@0: 	
insilmaril@0: 	double pnx;				// next point
insilmaril@0: 	double pny;
insilmaril@0: 	double m;
insilmaril@0: 
insilmaril@0: 	if (vx > -0.0001 && vx < 0.0001)
insilmaril@0: 		m=0;
insilmaril@0: 	else	
insilmaril@0: 		m=(vy / (vx*vx));
insilmaril@0: 	dx=vx/(arcsegs);
insilmaril@0: 	int i;
insilmaril@2: 	ya.setPoint (0,QPoint (qRound(p1x),qRound(p1y)));
insilmaril@0: 	for (i=1;i<=arcsegs;i++)
insilmaril@0: 	{	
insilmaril@0: 		pnx=p1x+dx;
insilmaril@0: 		pny=m*(pnx-parPos.x())*(pnx-parPos.x())+parPos.y();
insilmaril@2: 		ya.setPoint (i,QPoint (qRound(pnx),qRound(pny)));
insilmaril@0: 		p1x=pnx;
insilmaril@0: 		p1y=pny;
insilmaril@0: 	}	
insilmaril@0: }
insilmaril@0: 
insilmaril@2: QString LinkableMapObj::getLinkAttr ()
insilmaril@2: {
insilmaril@2: 	if (hideLinkUnselected)
insilmaril@2: 		return attribut ("hideLink","true");
insilmaril@2: 	else
insilmaril@2: 		return attribut ("hideLink","false");
insilmaril@2: 	
insilmaril@2: }