diff -r 9eb7767c2dfa -r 608f976aa7bb linkablemapobj.cpp
--- a/linkablemapobj.cpp	Sun Jan 30 12:58:47 2005 +0000
+++ b/linkablemapobj.cpp	Tue Jun 06 14:58:11 2006 +0000
@@ -1,10 +1,12 @@
-//#include <math.h>
+#include <math.h>
 
 #include "linkablemapobj.h"
 #include "branchobj.h"
 #include "mapeditor.h"
 
 #include "version.h"
+//Added by qt3to4:
+#include <Q3PointArray>
 
 
 /////////////////////////////////////////////////////////////////
@@ -17,7 +19,7 @@
     init ();
 }
 
-LinkableMapObj::LinkableMapObj(QCanvas* c) :MapObj(c)
+LinkableMapObj::LinkableMapObj(Q3Canvas* c) :MapObj(c)
 {
 //    cout << "Const LinkableMapObj\n";
     init ();
@@ -62,6 +64,7 @@
 void LinkableMapObj::init ()
 {
     depth=-1;	
+	mapEditor=NULL;
     childObj=NULL;
     parObj=NULL;
     parObjTmpBuf=NULL;
@@ -76,35 +79,45 @@
 	linkpos=LinkBottom;
     segment.setAutoDelete (TRUE);
     arcsegs=13;
-	QPointArray pa(arcsegs*2+2);
+	Q3PointArray pa(arcsegs*2+2);
     
-    bottomline=new QCanvasLine(canvas);
+    bottomline=new Q3CanvasLine(canvas);
     bottomline->setPen( QPen(linkcolor, 1) );
     bottomline->setZ(Z_LINK);
     bottomline->show();
 
     // Prepare showing the selection of a MapObj
-    selbox = new QCanvasRectangle (canvas);
+    selbox = new Q3CanvasRectangle (canvas);
     selbox->setZ(Z_SELBOX);
     selbox->setBrush( QColor(255,255,0) );
     selbox->setPen( QPen(QColor(255,255,0) ));
     selbox->hide();
     selected=false;
 
+	hideLinkUnselected=false;
+
+	topPad=botPad=leftPad=rightPad=0;
+
 	// initialize frame
 	frame = new FrameObj (canvas);
 	
 	repositionRequest=false;
+
+	// Rel Positions
+	relPos=QPoint(0,0);
+	useRelPos=false;
+	useOrientation=true;
 }
 
 void LinkableMapObj::copy (LinkableMapObj* other)
 {
     MapObj::copy(other);
 	bboxTotal=other->bboxTotal;
-//    linkwidth=other->linkwidth;		
-
     setLinkStyle(other->style);
     setLinkColor (other->linkcolor);
+	relPos=other->relPos;
+	useOrientation=other->useOrientation;
+
 }
 
 void LinkableMapObj::setChildObj(LinkableMapObj* o)
@@ -126,8 +139,57 @@
 {
 }
 
+bool LinkableMapObj::hasParObjTmp()
+{
+	if (parObjTmpBuf) return true;
+	return false;
+}
+
+void LinkableMapObj::setUseRelPos (const bool &b)
+{
+	useRelPos=b;
+}
+
+void LinkableMapObj::setRelPos()
+{
+	if (parObj)
+	{	
+		relPos.setX (absPos.x() - parObj->getChildPos().x() );
+		relPos.setY (absPos.y() - parObj->getChildPos().y() );
+
+		parObj->calcBBoxSize();
+		parObj->requestReposition();
+	}	
+}
+
+void LinkableMapObj::setRelPos(const QPoint &p)
+{
+	relPos=p;
+	if (parObj)
+	{	parObj->calcBBoxSize();
+		parObj->requestReposition();
+	}	
+}
+
+int LinkableMapObj::getTopPad()
+{
+	return topPad;
+}
+
+int LinkableMapObj::getLeftPad()
+{
+	return leftPad;
+}
+
+int LinkableMapObj::getRightPad()
+{
+	return rightPad;
+}
+
 LinkStyle LinkableMapObj::getDefLinkStyle ()
 {
+	if (!mapEditor) return StyleUndef;
+
 	LinkStyle ls=mapEditor->getLinkStyle();
 	switch (ls)
 	{
@@ -157,6 +219,7 @@
 
 void LinkableMapObj::setLinkStyle(LinkStyle newstyle)
 {
+	//if (newstyle=style) return;
 	delLink();
 		
 	style=newstyle;
@@ -164,14 +227,14 @@
     if (childObj!=NULL && parObj != NULL)
     {
 		int i;
-		QCanvasLine* cl;
+		Q3CanvasLine* cl;
 		switch (style)
 		{
 			case StyleUndef:
 				bottomline->hide();
 				break;
 			case StyleLine: 
-				l = new QCanvasLine(canvas);
+				l = new Q3CanvasLine(canvas);
 				l->setPen( QPen(linkcolor, 1) );
 				l->setZ(Z_LINK);
 				if (visible)
@@ -182,7 +245,7 @@
 			case StyleParabel:
 				for (i=0;i<arcsegs;i++)
 				{
-					cl = new QCanvasLine(canvas);
+					cl = new Q3CanvasLine(canvas);
 					cl->setPen( QPen(linkcolor, 1) );
 					cl->setPoints( 0,0,i*10,100);
 					cl->setZ(Z_LINK);
@@ -195,7 +258,7 @@
 				pa0.resize (arcsegs+1);
 				break;
 			case StylePolyLine:	
-				p = new QCanvasPolygon(canvas);
+				p = new Q3CanvasPolygon(canvas);
 				p->setBrush( linkcolor );
 				p->setZ(Z_LINK);
 				if (visible)
@@ -203,10 +266,9 @@
 				else
 					p->hide();
 				pa0.resize (3);
-				// TODO
-				// a bit awkward: draw the lines additionally to polygon, to avoid
+				// TODO a bit awkward: draw the lines additionally to polygon, to avoid
 				// missing pixels, when polygon is extremly flat
-				l = new QCanvasLine(canvas);
+				l = new Q3CanvasLine(canvas);
 				l->setPen( QPen(linkcolor, 1) );
 				l->setZ(Z_LINK);
 				if (visible)
@@ -215,7 +277,7 @@
 					l->hide();
 				break;
 			case StylePolyParabel:	
-				p = new QCanvasPolygon(canvas);
+				p = new Q3CanvasPolygon(canvas);
 				p->setBrush( linkcolor );
 				p->setZ(Z_LINK);
 				if (visible)
@@ -226,13 +288,12 @@
 				pa1.resize (arcsegs+1);
 				pa2.resize (arcsegs+1);
 
-				// TODO
-				// a bit awkward: draw the lines additionally 
+				// TODO a bit awkward: draw the lines additionally 
 				// to polygon, to avoid missing pixels, 
 				// if polygon is extremly flat
 				for (i=0;i<arcsegs;i++)
 				{
-					cl = new QCanvasLine(canvas);
+					cl = new Q3CanvasLine(canvas);
 					cl->setPen( QPen(linkcolor, 1) );
 					cl->setPoints( 0,0,i*10,100);
 					cl->setZ(Z_LINK);
@@ -246,10 +307,7 @@
 			default: 
 				break;	
 		}	
-	} else
-	{
-		cout << "Error: ChildObj or parObj == NULL in LinkableMapObj::setLinkStyle\n";
-	}
+	} 
 }
 
 LinkStyle LinkableMapObj::getLinkStyle()
@@ -257,6 +315,18 @@
 	return style;
 }
 
+void LinkableMapObj::setHideLinkUnselected(bool b)
+{
+	hideLinkUnselected=b;
+	setVisibility (visible);
+	updateLink();
+}
+
+bool LinkableMapObj::getHideLinkUnselected()
+{
+	return hideLinkUnselected;
+}
+
 void LinkableMapObj::setLinkPos(LinkPos lp)
 {
 	linkpos=lp;
@@ -272,14 +342,15 @@
 {
 	// Overloaded in BranchObj and childs
 	// here only set default color
-	setLinkColor (mapEditor->getDefLinkColor());
+	if (mapEditor)
+		setLinkColor (mapEditor->getDefLinkColor());
 }
 
 void LinkableMapObj::setLinkColor(QColor col)
 {
 	linkcolor=col;
     bottomline->setPen( QPen(linkcolor, 1) );
-	QCanvasLine *cl;
+	Q3CanvasLine *cl;
 	switch (style)
 	{
 		case StyleLine:
@@ -301,7 +372,6 @@
 		default:
 			break;
 	} // switch (style)	
-	updateLink();
 }
 
 QColor LinkableMapObj::getLinkColor()
@@ -332,32 +402,62 @@
 
 void LinkableMapObj::setVisibility (bool v)
 {
+	Q3CanvasLine* cl;
 	MapObj::setVisibility (v);
-	if (visible) 
+	bool visnow=visible;
+
+	// We can hide the link, while object is not selected
+	if (hideLinkUnselected && !selected)
+		visnow=false;
+
+	if (visnow) 
 	{
 		bottomline->show();
-		// FIXME lines and segments should be done in LMO?
-		if (style==StyleLine && l) 
+		switch (style)
 		{
-			l->show();
-		} else
-		{
-			QCanvasLine* cl;
-			for (cl=segment.first(); cl; cl=segment.next() )
-				cl->show();
-		} 
+			case StyleLine:
+				if (l) l->show();
+				break;
+			case StyleParabel:	
+				for (cl=segment.first(); cl; cl=segment.next() )
+					cl->show();
+				break;	
+			case StylePolyLine:
+				if (p) p->show();
+				if (l) l->show();
+				break;
+			case StylePolyParabel:	
+				for (cl=segment.first(); cl; cl=segment.next() )
+					cl->show();
+				if (p) p->show();
+				break;
+			default:
+				break;
+		}
 	} else 
 	{
 		bottomline->hide();
-		if (style==StyleLine && l) 
+		switch (style)
 		{
-			l->hide();
-		} else
-		{
-			QCanvasLine* cl;
-			for (cl=segment.first(); cl; cl=segment.next() )
-				cl->hide();
-		} 
+			case StyleLine:
+				if (l) l->hide();
+				break;
+			case StyleParabel:	
+				for (cl=segment.first(); cl; cl=segment.next() )
+					cl->hide();
+				break;	
+			case StylePolyLine:
+				if (p) p->hide();
+				if (l) l->hide();
+				break;
+			case StylePolyParabel:	
+				for (cl=segment.first(); cl; cl=segment.next() )
+					cl->hide();
+				if (p) p->hide();
+				break;
+			default:
+				break;
+		}
 	}	
 }
 
@@ -370,12 +470,11 @@
     // 
     // sets:
     //	orientation
-    //	childPos
-    //	parPos
-	//  offset
+    //	childPos	(by calling setDockPos())
+    //	parPos		(by calling setDockPos())
+	//  bottomlineY
     //	drawing of the link itself
 
-
 	// updateLink is called from move, but called from constructor we don't
 	// have parents yet...
 	if (style==StyleUndef) return;	
@@ -387,10 +486,10 @@
 	switch (linkpos)
 	{
 		case LinkMiddle:
-			offset=bbox.height() /2;
+			bottomlineY=bbox.top()+bbox.height() /2;	// draw link to middle (of frame)
 			break;
 		default :
-			offset=bbox.height()-1;			// draw link to bottom of bbox
+			bottomlineY=bbox.bottom()-1;	// draw link to bottom of box
 			break;
 	}
 	
@@ -431,23 +530,7 @@
 		reposition();
 	}
 	
-    if (orientation==OrientLeftOfCenter )
-    {
-		childPos=QPoint (absPos.x(),absPos.y()+offset);
-		parPos=QPoint (absPos.x()+ bbox.width(), absPos.y() + offset );
-    } else
-    {
-		childPos=QPoint (absPos.x()+ bbox.width(), absPos.y() + offset ); 
-		parPos=QPoint (absPos.x(),absPos.y()+offset);
-    }
-	/* FIXME
-		cout << "      LMO::updateLink   absPos="<<absPos<<endl;
-		cout << "      LMO::updateLink childPos="<<childPos<<endl;
-		cout << "      LMO::updateLink   parPos="<<parPos<<endl;
-		cout << "      LMO::updateLink   offset="<<offset<<endl;
-		cout << "      LMO::updateLink   bbox.w="<<bbox.width()<<endl;
-		cout << "      LMO::updateLink   bbox.h="<<bbox.height()<<endl;
-	*/	
+	setDockPos();
 
 	double p1x=parPos.x();	// Link is drawn from P1 to P2
 	double p1y=parPos.y();
@@ -456,10 +539,10 @@
 	double vy=p2y - p1y;
 
 	// Draw the horizontal line below heading (from ChildPos to ParPos)
-	bottomline->setPoints (lrint(childPos.x()),
-		lrint(childPos.y()),
-		lrint(p1x),
-		lrint(p1y) );
+	bottomline->setPoints (qRound(childPos.x()),
+		qRound(childPos.y()),
+		qRound(p1x),
+		qRound(p1y) );
 
 	double a;	// angle
 	if (vx > -0.000001 && vx < 0.000001)
@@ -467,9 +550,9 @@
 	else
 		a=atan( vy / vx );
 	// "turning point" for drawing polygonal links
-	QPoint tp (-lrint(sin (a)*thickness_start), lrint(cos (a)*thickness_start));	
+	QPoint tp (-qRound(sin (a)*thickness_start), qRound(cos (a)*thickness_start));	
 	
-	QCanvasLine *cl;
+	Q3CanvasLine *cl;
 
 	int i;
 
@@ -477,10 +560,10 @@
 	switch (style)
 	{
 		case StyleLine:
-			l->setPoints( lrint (parPos.x()),
-				lrint(parPos.y()),
-				lrint(p2x),
-				lrint(p2y) );
+			l->setPoints( qRound (parPos.x()),
+				qRound(parPos.y()),
+				qRound(p2x),
+				qRound(p2y) );
 			break;	
 		case StyleParabel:	
 			parabel (pa0, p1x,p1y,p2x,p2y);
@@ -492,15 +575,15 @@
 			}
 			break;
 		case StylePolyLine:
-			pa0[0]=QPoint (lrint(p2x+tp.x()), lrint(p2y+tp.y()));
-			pa0[1]=QPoint (lrint(p2x-tp.x()), lrint(p2y-tp.y()));
-			pa0[2]=QPoint (lrint (parPos.x()), lrint(parPos.y()) );
+			pa0[0]=QPoint (qRound(p2x+tp.x()), qRound(p2y+tp.y()));
+			pa0[1]=QPoint (qRound(p2x-tp.x()), qRound(p2y-tp.y()));
+			pa0[2]=QPoint (qRound (parPos.x()), qRound(parPos.y()) );
 			p->setPoints (pa0);
 			// here too, draw line to avoid missing pixels
-			l->setPoints( lrint (parPos.x()),
-				lrint(parPos.y()),
-				lrint(p2x),
-				lrint(p2y) );
+			l->setPoints( qRound (parPos.x()),
+				qRound(parPos.y()),
+				qRound(p2x),
+				qRound(p2y) );
 			break;
 		case StylePolyParabel:	
 			parabel (pa1, p1x,p1y,p2x+tp.x(),p2y+tp.y());
@@ -534,6 +617,44 @@
     return parObj;
 }
 
+LinkableMapObj* LinkableMapObj::findObjBySelect (QString s)
+{
+	LinkableMapObj *lmo=this;
+	QString part;
+	QString typ;
+	QString num;
+	while (!s.isEmpty() )
+	{
+		part=s.section(",",0,0);
+		typ=part.left (3);
+		num=part.right(part.length() - 3);
+		if (typ=="mc:")
+		{
+			if (depth>0)
+				return false;	// in a subtree there is no center
+			else
+				break;
+		} else
+			if (typ=="bo:")
+				lmo=((BranchObj*)(lmo))->getBranchNum (num.toUInt());
+			else
+				if (typ=="fi:")
+					lmo=((BranchObj*)(lmo))->getFloatImageNum (num.toUInt());
+		if (!lmo) break;
+		
+		if (s.contains(","))
+			s=s.right(s.length() - part.length() -1 );
+		else	
+			break;
+	}
+	return lmo;
+}
+
+void LinkableMapObj::setDockPos()
+{
+	cout <<"LMO::setDockPos()\n";
+}
+
 QPoint LinkableMapObj::getChildPos()
 {
     return childPos;
@@ -546,11 +667,26 @@
 
 QPoint LinkableMapObj::getRelPos()
 {
+	return relPos;
+/* FIXME not needed? relPos was moved in 1.7.10 from
+   floatobj to linkablemapobj. Before we had:
+	
 	if (!parObj) return QPoint (0,0);
     return QPoint(
 		absPos.x() - parObj->x(),
 		absPos.y() - parObj->y()
 	);
+*/	
+}
+
+
+void LinkableMapObj::setUseOrientation (const bool &b)
+{	
+	if (useOrientation!=b)
+	{
+		useOrientation=b;
+		requestReposition();
+	}	
 }
 
 LinkOrient LinkableMapObj::getOrientation()
@@ -583,11 +719,12 @@
 
 void LinkableMapObj::alignRelativeTo (QPoint ref)
 {
+	// FIXME testing, seems not to be used right now...
+	cout << "LMO::alignRelTo   ref="<<ref<<endl;
 }
 
 void LinkableMapObj::reposition()
 {
-cout << "LMO::reposition  ???"<<endl;
 	if (depth==0)
 	{
 		// only calculate the sizes once. If the deepest LMO changes its height,
@@ -626,14 +763,15 @@
 	// we want to block expensive repositioning, but just do it once at
 	// the end, thus check first:
 
-	if (mapEditor->blockReposition()) return;
+	if (mapEditor->isRepositionBlocked()) return;
 	
 	// Pass on the request to parental objects, if this hasn't been done yet
 	
 	if (parObj) 
 		parObj->forceReposition(); 
 	else 
-		reposition(); }
+		reposition(); 
+}
 
 bool LinkableMapObj::repositionRequested()
 {
@@ -643,9 +781,9 @@
 
 void LinkableMapObj::setSelBox()
 {
-    selbox->setX (bbox.x() );
-    selbox->setY (bbox.y() );
-    selbox->setSize (bbox.width(), bbox.height() );
+    selbox->setX (clickBox.x() );
+    selbox->setY (clickBox.y() );
+    selbox->setSize (clickBox.width(), clickBox.height() );
 }
 
 void LinkableMapObj::select()
@@ -653,6 +791,8 @@
 	setSelBox();
     selected=true;
     selbox->show();
+// FIXME not needed?	
+	setVisibility (visible);
 }
 
 
@@ -660,9 +800,11 @@
 {
     selected=false;
     selbox->hide();
+	// Maybe we have to hide the link:
+	setVisibility (visible);
 }
 
-void LinkableMapObj::parabel (QPointArray &ya, double p1x, double p1y, double p2x, double p2y)
+void LinkableMapObj::parabel (Q3PointArray &ya, double p1x, double p1y, double p2x, double p2y)
 
 {
 	double vx=p2x - p1x;	// V=P2-P1
@@ -680,14 +822,22 @@
 		m=(vy / (vx*vx));
 	dx=vx/(arcsegs);
 	int i;
-	ya.setPoint (0,QPoint (lrint(p1x),lrint(p1y)));
+	ya.setPoint (0,QPoint (qRound(p1x),qRound(p1y)));
 	for (i=1;i<=arcsegs;i++)
 	{	
 		pnx=p1x+dx;
 		pny=m*(pnx-parPos.x())*(pnx-parPos.x())+parPos.y();
-		ya.setPoint (i,QPoint (lrint(pnx),lrint(pny)));
+		ya.setPoint (i,QPoint (qRound(pnx),qRound(pny)));
 		p1x=pnx;
 		p1y=pny;
 	}	
 }
 
+QString LinkableMapObj::getLinkAttr ()
+{
+	if (hideLinkUnselected)
+		return attribut ("hideLink","true");
+	else
+		return attribut ("hideLink","false");
+	
+}