New upstream version 5.3.0GAupstream/5.3.0GAupstream

1 files changed, 582 insertions, 438 deletions

diff --git a/app/bin/cjoin.c b/app/bin/cjoin.c
index a027327..cb794bd 100644
--- a/app/bin/cjoin.c
+++ b/app/bin/cjoin.c
@@ -20,7 +20,7 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 
@@ -40,30 +40,30 @@ static BOOL_T debug = 0;
 /** @logcmd @showrefby join=n cjoin.c */
 static int log_join = 0;
 typedef struct {
-				curveType_e type;
-				BOOL_T flip;
-				coOrd arcP;
-				DIST_T arcR;
-				ANGLE_T arcA0, arcA1;
-				coOrd pos[2];
-		} joinRes_t;
+	curveType_e type;
+	BOOL_T flip;
+	coOrd arcP;
+	DIST_T arcR;
+	ANGLE_T arcA0, arcA1;
+	coOrd pos[2];
+} joinRes_t;
 
 static struct {
-		STATE_T state;
-		int joinMoveState;
-		BOOL_T cornuMode;
-		struct {
-				TRKTYP_T realType;
-				track_p trk;
-				coOrd pos;
-				EPINX_T ep;
-				trackParams_t params;
-				} inp[2];
-		joinRes_t jRes;
-		coOrd inp_pos[2];
-		easementData_t jointD[2];
-		dynArr_t anchors;
-		} Dj;
+	STATE_T state;
+	int joinMoveState;
+	BOOL_T cornuMode;
+	struct {
+		TRKTYP_T realType;
+		track_p trk;
+		coOrd pos;
+		EPINX_T ep;
+		trackParams_t params;
+	} inp[2];
+	joinRes_t jRes;
+	coOrd inp_pos[2];
+	easementData_t jointD[2];
+	dynArr_t anchors;
+} Dj;
 
 
 /*****************************************************************************
@@ -74,11 +74,11 @@ static struct {
 
 
 static BOOL_T JoinWithStraight(
-		coOrd pos0,
-		ANGLE_T a0,
-		coOrd pos1,
-		ANGLE_T a1,
-		joinRes_t * res )
+        coOrd pos0,
+        ANGLE_T a0,
+        coOrd pos1,
+        ANGLE_T a1,
+        joinRes_t * res )
 /*
  * Determine a track from a point and angle (pos1,a1) to
  * a straight (given by an origin and angle: pos0, a0)
@@ -92,17 +92,17 @@ static BOOL_T JoinWithStraight(
 	DOUBLE_T beyond;
 
 	b = NormalizeAngle( a0 - a1 );
-LOG( log_join, 2, ( 
-			"JwL: pos0=[%0.3f %0.3f] a0=%0.3f pos1=[%0.3f %0.3f] a1=%0.3f b=%0.3f\n",
-			pos0.x, pos0.y, a0, pos1.x, pos1.y, a1, b ) )
+	LOG( log_join, 2, (
+	             "JwL: pos0=[%0.3f %0.3f] a0=%0.3f pos1=[%0.3f %0.3f] a1=%0.3f b=%0.3f\n",
+	             pos0.x, pos0.y, a0, pos1.x, pos1.y, a1, b ) )
 
-/* 3 - cases: */
+	/* 3 - cases: */
 	if (b >= 360.0-connectAngle/2.0 || b <= connectAngle/2.0) {
-/* CASE 1: antiparallel */
+		/* CASE 1: antiparallel */
 		FindPos( &off, NULL, pos1, pos0, a0, DIST_INF );
 		res->arcR = off.y/2.0;
 		res->arcA1 = 180.0;
-LOG( log_join, 3, ("JwL: parallel: off.y=%0.3f\n", off.y ) )
+		LOG( log_join, 3, ("JwL: parallel: off.y=%0.3f\n", off.y ) )
 		res->arcA0 = NormalizeAngle( a1 - 90.0 );
 		Translate( &res->arcP, pos1, res->arcA0, res->arcR );
 		if (res->arcR > 0.0) {
@@ -112,14 +112,15 @@ LOG( log_join, 3, ("JwL: parallel: off.y=%0.3f\n", off.y ) )
 			res->flip = 1;
 		}
 	} else if (b >= 180.0-connectAngle/2.0 && b <= 180.0+connectAngle/2.0) {
-/* CASE 2: parallel, possibly colinear? */
+		/* CASE 2: parallel, possibly colinear? */
 		FindPos( &off, &beyond, pos0, pos1, a0, DIST_INF );
-LOG( log_join, 3, ("JwL: colinear? off.y=%0.3f\n", off.y ) )
+		LOG( log_join, 3, ("JwL: colinear? off.y=%0.3f\n", off.y ) )
 		if (off.y > -connectDistance && off.y < connectDistance) {
 			res->type = curveTypeStraight;
 			res->pos[0]=pos0;
 			res->pos[1]=pos1;
-LOG( log_join, 2, ("    = STRAIGHT [%0.3f %0.3f] [%0.3f %0.3f]\n", pos0.x, pos0.y, pos1.x, pos1.y ) )
+			LOG( log_join, 2, ("    = STRAIGHT [%0.3f %0.3f] [%0.3f %0.3f]\n", pos0.x,
+			                   pos0.y, pos1.x, pos1.y ) )
 			return TRUE;
 		} else {
 			res->type = curveTypeNone;
@@ -127,7 +128,7 @@ LOG( log_join, 2, ("    = STRAIGHT [%0.3f %0.3f] [%0.3f %0.3f]\n", pos0.x, pos0.
 			return TRUE;
 		}
 	} else {
-/* CASE 3: intersecting */
+		/* CASE 3: intersecting */
 		if (!FindIntersection( &Px, pos0, a0, pos1, a1 )) {
 			res->type = curveTypeNone;
 			ErrorMessage( MSG_SELECTED_TRACKS_PARALLEL );
@@ -136,13 +137,16 @@ LOG( log_join, 2, ("    = STRAIGHT [%0.3f %0.3f] [%0.3f %0.3f]\n", pos0.x, pos0.
 		d = FindDistance( pos1, Px );
 		k = NormalizeAngle( FindAngle(pos1, Px) - a1 );
 		c = (b > 180.0) ? (360.0-b) : b;
-		if (k < 90.0 && k > 270.0) 
+		if (k < 90.0 && k > 270.0) {
 			c += 180.0;
-LOG( log_join, 3, ("     Px=[%0.3f %0.3f] b=%0.3f c=%0.3f d=%0.3f k=%0.3f\n", Px.x, Px.y, b, c, d, k ) )
+		}
+		LOG( log_join, 3, ("     Px=[%0.3f %0.3f] b=%0.3f c=%0.3f d=%0.3f k=%0.3f\n",
+		                   Px.x, Px.y, b, c, d, k ) )
 		res->arcR = d * sin(D2R(c/2.0))/cos(D2R(c/2.0));
 		res->arcA1 = 180.0-c;
-		if (90.0<k && k<270.0)
-		res->arcA1 = 360.0 - res->arcA1;
+		if (90.0<k && k<270.0) {
+			res->arcA1 = 360.0 - res->arcA1;
+		}
 		if ( (res->arcA1>180.0) == (b>180.0) ) {
 			Translate( &res->arcP, pos1, a1-90.0, res->arcR );
 			res->arcA0 = NormalizeAngle( a0 - 90.0 );
@@ -153,73 +157,78 @@ LOG( log_join, 3, ("     Px=[%0.3f %0.3f] b=%0.3f c=%0.3f d=%0.3f k=%0.3f\n", Px
 			res->flip = TRUE;
 		}
 	}
-LOG( log_join, 2, ("    = CURVE @ Pc=[%0.3f %0.3f] R=%0.3f A0=%0.3f A1=%0.3f Flip=%d\n",
-			res->arcP.x, res->arcP.y, res->arcR, res->arcA0, res->arcA1, res->flip ) )
-	if (res->arcR<0.0) res->arcR = - res->arcR;
+	LOG( log_join, 2,
+	     ("    = CURVE @ Pc=[%0.3f %0.3f] R=%0.3f A0=%0.3f A1=%0.3f Flip=%d\n",
+	      res->arcP.x, res->arcP.y, res->arcR, res->arcA0, res->arcA1, res->flip ) )
+	if (res->arcR<0.0) { res->arcR = - res->arcR; }
 	res->type = curveTypeCurve;
 	d = D2R(res->arcA1);
-	if (d < 0.0)
+	if (d < 0.0) {
 		d = 2*M_PI + d;
+	}
 	if (!debug)
 		InfoMessage( _("Curved Track: Radius=%s Length=%s"),
-				FormatDistance(res->arcR), FormatDistance(res->arcR*d) );
+		             FormatDistance(res->arcR), FormatDistance(res->arcR*d) );
 	return TRUE;
 
 }
 
 static BOOL_T JoinWithCurve(
-		coOrd pos0,
-		DIST_T r0,
-		EPINX_T ep0,
-		coOrd pos1,
-		ANGLE_T a1,				/* Angle perpendicular to track at (pos1) */
-		joinRes_t * res )
+        coOrd pos0,
+        DIST_T r0,
+        EPINX_T ep0,
+        coOrd pos1,
+        ANGLE_T a1,				/* Angle perpendicular to track at (pos1) */
+        joinRes_t * res )
 /*
  * Determine a track point and angle (pos1,a1) to
  * a curve (given by center and radius (pos0, r0).
  * Curve endPt (ep0) determines whether the connection is
  * clockwise or counterclockwise.
- */ 
+ */
 {
 	coOrd p1, pt;
 	DIST_T d, r;
 	ANGLE_T a, aa, A0, A1;
 
-/* Compute angle of line connecting endPoints: */
+	/* Compute angle of line connecting endPoints: */
 	Translate( &p1, pos1, a1, -r0 );
 	aa = FindAngle( p1, pos0 );
 	a = NormalizeAngle( aa - a1 );
-LOG( log_join, 2, ("JwA: pos0=[%0.3f %0.3f] r0=%0.3f ep0=%d pos1=[%0.3f %0.3f] a1=%0.3f\n",
-				pos0.x, pos0.y, r0, ep0, pos1.x, pos1.y, a1 ) )
-LOG( log_join, 3, ("     p1=[%0.3f %0.3f] aa=%0.3f a=%0.3f\n",
-				p1.x, p1.y, aa, a ) )
+	LOG( log_join, 2,
+	     ("JwA: pos0=[%0.3f %0.3f] r0=%0.3f ep0=%d pos1=[%0.3f %0.3f] a1=%0.3f\n",
+	      pos0.x, pos0.y, r0, ep0, pos1.x, pos1.y, a1 ) )
+	LOG( log_join, 3, ("     p1=[%0.3f %0.3f] aa=%0.3f a=%0.3f\n",
+	                   p1.x, p1.y, aa, a ) )
 
 	if ( (ep0==1 && a > 89.5 && a < 90.5) ||
-		 (ep0==0 && a > 269.5 && a < 270.5) ) {
-/* The long way around! */
+	     (ep0==0 && a > 269.5 && a < 270.5) ) {
+		/* The long way around! */
 		ErrorMessage( MSG_CURVE_TOO_LARGE );
 		res->type = curveTypeNone;
 
 	} else if ( (ep0==0 && a > 89.5 && a < 90.5) ||
-				(ep0==1 && a > 269.5 && a < 270.5) ) {
-/* Straight: */
+	            (ep0==1 && a > 269.5 && a < 270.5) ) {
+		/* Straight: */
 		PointOnCircle( &pt, pos0, r0, a1);
-LOG( log_join, 2, ("    = STRAIGHT [%0.3f %0.3f] [%0.3f %0.3f]\n", pt.x, pt.y, pos1.x, pos1.y ) )
+		LOG( log_join, 2, ("    = STRAIGHT [%0.3f %0.3f] [%0.3f %0.3f]\n", pt.x, pt.y,
+		                   pos1.x, pos1.y ) )
 		if (!debug) InfoMessage( _("Straight Track: Length=%s Angle=%0.3f"),
-				FormatDistance(FindDistance( pt, pos1 )), PutAngle(FindAngle( pt, pos1 )) );
+			                         FormatDistance(FindDistance( pt, pos1 )), PutAngle(FindAngle( pt, pos1 )) );
 		res->type = curveTypeStraight;
 		res->pos[0]=pt;
 		res->pos[1]=pos1;
 		res->flip = FALSE;
 
 	} else {
-/* Curve: */
+		/* Curve: */
 		d = FindDistance( p1, pos0 ) / 2.0;
 		r = d/cos(D2R(a));
 		Translate( &res->arcP, p1, a1, r );
 		res->arcR = r-r0;
-LOG( log_join, 3, ("     Curved d=%0.3f C=[%0.3f %0.3f], r=%0.3f a=%0.3f arcR=%0.3f\n",
-			d, res->arcP.x, res->arcP.y, r, a, res->arcR ) )
+		LOG( log_join, 3,
+		     ("     Curved d=%0.3f C=[%0.3f %0.3f], r=%0.3f a=%0.3f arcR=%0.3f\n",
+		      d, res->arcP.x, res->arcP.y, r, a, res->arcR ) )
 		if ( (ep0==0) == (res->arcR<0) ) {
 			A1 = 180 + 2*a;
 			A0 = a1;
@@ -243,12 +252,14 @@ LOG( log_join, 3, ("     Curved d=%0.3f C=[%0.3f %0.3f], r=%0.3f a=%0.3f arcR=%0
 			return TRUE;
 		}
 
-LOG( log_join, 3, ("       A0=%0.3f A1=%0.3f R=%0.3f\n", res->arcA0, res->arcA1, res->arcR ) )
+		LOG( log_join, 3, ("       A0=%0.3f A1=%0.3f R=%0.3f\n", res->arcA0, res->arcA1,
+		                   res->arcR ) )
 		d = D2R(res->arcA1);
-		if (d < 0.0)
+		if (d < 0.0) {
 			d = 2*M_PI + d;
+		}
 		if (!debug) InfoMessage( _("Curved Track: Radius=%s Length=%s Angle=%0.3f"),
-				FormatDistance(res->arcR), FormatDistance(res->arcR*d), PutAngle(res->arcA1) );
+			                         FormatDistance(res->arcR), FormatDistance(res->arcR*d), PutAngle(res->arcA1) );
 		res->type = curveTypeCurve;
 	}
 	return TRUE;
@@ -262,10 +273,10 @@ LOG( log_join, 3, ("       A0=%0.3f A1=%0.3f R=%0.3f\n", res->arcA0, res->arcA1,
 
 
 static STATUS_T AdjustJoint(
-		BOOL_T adjust,
-		ANGLE_T a1,
-		DIST_T eR[2],
-		ANGLE_T normalAngle )
+        BOOL_T adjust,
+        ANGLE_T a1,
+        DIST_T eR[2],
+        ANGLE_T normalAngle )
 /*
  * Compute how to join 2 tracks and then compute the transition-curve
  * from the 2 tracks to the joint.
@@ -285,38 +296,42 @@ static STATUS_T AdjustJoint(
 	coOrd pc;
 	DIST_T eRc;
 	DIST_T l, d=0;
-	
-	if (adjust)
+
+	if (adjust) {
 		Translate( &p1, Dj.inp[1].pos, a1, Dj.jointD[1].x );
-	else
+	} else {
 		p1 = Dj.inp[1].pos;
+	}
 
 	switch ( Dj.inp[0].params.type ) {
 	case curveTypeCurve:
 		if (adjust) {
 			a0 = FindAngle( Dj.inp[0].params.arcP, Dj.jRes.pos[0] );
 			Translate( &pc, Dj.inp[0].params.arcP, a0, Dj.jointD[0].x );
-LOG( log_join, 2, (" Move P0 X%0.3f A%0.3f  P1 X%0.3f A%0.3f SC%d FL%d\n",
-					Dj.jointD[0].x, a0, Dj.jointD[1].x, a1,
-					Dj.jointD[0].Scurve, Dj.jointD[0].flip ) )
+			LOG( log_join, 2, (" Move P0 X%0.3f A%0.3f  P1 X%0.3f A%0.3f SC%d FL%d\n",
+			                   Dj.jointD[0].x, a0, Dj.jointD[1].x, a1,
+			                   Dj.jointD[0].Scurve, Dj.jointD[0].flip ) )
 		} else {
 			pc = Dj.inp[0].params.arcP;
 		}
 		if (!JoinWithCurve( pc, Dj.inp[0].params.arcR,
-						Dj.inp[0].params.ep, p1, normalAngle, &Dj.jRes ))
+		                    Dj.inp[0].params.ep, p1, normalAngle, &Dj.jRes )) {
 			return FALSE;
+		}
 		break;
 	case curveTypeStraight:
 		if (adjust) {
 			a0 = Dj.inp[0].params.angle + (Dj.jointD[0].negate?-90.0:+90.0);
 			Translate( &p0, Dj.inp[0].params.lineOrig, a0, Dj.jointD[0].x );
-LOG( log_join, 2, (" Move P0 X%0.3f A%0.3f  P1 X%0.3f A%0.3f\n",
-					Dj.jointD[0].x, a0, Dj.jointD[1].x, a1 ) )
+			LOG( log_join, 2, (" Move P0 X%0.3f A%0.3f  P1 X%0.3f A%0.3f\n",
+			                   Dj.jointD[0].x, a0, Dj.jointD[1].x, a1 ) )
 		} else {
 			p0 = Dj.inp[0].params.lineOrig;
 		}
-		if (!JoinWithStraight( p0, Dj.inp[0].params.angle, p1, Dj.inp[1].params.angle, &Dj.jRes ))
+		if (!JoinWithStraight( p0, Dj.inp[0].params.angle, p1, Dj.inp[1].params.angle,
+		                       &Dj.jRes )) {
 			return FALSE;
+		}
 		break;
 	default:
 		break;
@@ -328,13 +343,15 @@ LOG( log_join, 2, (" Move P0 X%0.3f A%0.3f  P1 X%0.3f A%0.3f\n",
 
 	if (Dj.jRes.type == curveTypeCurve) {
 		eRc = Dj.jRes.arcR;
-		if (Dj.jRes.flip==1)
+		if (Dj.jRes.flip==1) {
 			eRc = -eRc;
-	} else
+		}
+	} else {
 		eRc = 0.0;
+	}
 
 	if ( ComputeJoint( eR[0], eRc, &Dj.jointD[0] ) == E_ERROR ||
-		 ComputeJoint( -eR[1], -eRc, &Dj.jointD[1] ) == E_ERROR ) {
+	     ComputeJoint( -eR[1], -eRc, &Dj.jointD[1] ) == E_ERROR ) {
 		return FALSE;
 	}
 
@@ -343,9 +360,9 @@ LOG( log_join, 2, (" Move P0 X%0.3f A%0.3f  P1 X%0.3f A%0.3f\n",
 		if (Dj.inp[inx].params.type == curveTypeStraight ) {
 			d = FindDistance( Dj.inp[inx].params.lineOrig, Dj.inp_pos[inx] );
 			if (d < Dj.jointD[inx].d0) {
-				InfoMessage( _("Track (%d) is too short for transition-curve by %0.3f"), 
-						GetTrkIndex(Dj.inp[inx].trk),
-						PutDim(fabs(Dj.jointD[inx].d0-d)) );
+				InfoMessage( _("Track (%d) is too short for transition-curve by %0.3f"),
+				             GetTrkIndex(Dj.inp[inx].trk),
+				             PutDim(fabs(Dj.jointD[inx].d0-d)) );
 				return FALSE;
 			}
 		}
@@ -360,20 +377,23 @@ LOG( log_join, 2, (" Move P0 X%0.3f A%0.3f  P1 X%0.3f A%0.3f\n",
 	}
 	d -= l;
 	if ( d <= minLength ) {
-		if (!debug)
-			InfoMessage( _("Connecting track is too short by %0.3f"), PutDim(fabs(minLength-d)) );
+		if (!debug) {
+			InfoMessage( _("Connecting track is too short by %0.3f"),
+			             PutDim(fabs(minLength-d)) );
+		}
 		return FALSE;
 	}
 
 	if (Dj.jRes.type == curveTypeCurve) {
 		PointOnCircle( &Dj.jRes.pos[Dj.jRes.flip], Dj.jRes.arcP,
-				Dj.jRes.arcR, Dj.jRes.arcA0 );
+		               Dj.jRes.arcR, Dj.jRes.arcA0 );
 		PointOnCircle( &Dj.jRes.pos[1-Dj.jRes.flip], Dj.jRes.arcP,
-				Dj.jRes.arcR, Dj.jRes.arcA0+Dj.jRes.arcA1 );
+		               Dj.jRes.arcR, Dj.jRes.arcA0+Dj.jRes.arcA1 );
 	}
 
-	if (adjust)
+	if (adjust) {
 		Translate( &Dj.inp_pos[0], Dj.jRes.pos[0], a0+180.0, Dj.jointD[0].x );
+	}
 
 	return TRUE;
 }
@@ -381,76 +401,83 @@ LOG( log_join, 2, (" Move P0 X%0.3f A%0.3f  P1 X%0.3f A%0.3f\n",
 
 static STATUS_T DoMoveToJoin( coOrd pos )
 {
-		if ( selectedTrackCount <= 0 ) {
-			ErrorMessage( MSG_NO_SELECTED_TRK );
-			return C_CONTINUE;
-		}
-		if ( (Dj.inp[Dj.joinMoveState].trk = OnTrack( &pos, TRUE, TRUE )) == NULL )
-			return C_CONTINUE;
-		// if (Dj.joinMoveState == 0 && !CheckTrackLayerSilent( Dj.inp[Dj.joinMoveState].trk ) )
-		//	return C_CONTINUE;
-		Dj.inp[Dj.joinMoveState].params.ep = PickUnconnectedEndPoint( pos, Dj.inp[Dj.joinMoveState].trk ); /* CHECKME */
-		if ( Dj.inp[Dj.joinMoveState].params.ep == -1 ) {
+	if ( selectedTrackCount <= 0 ) {
+		ErrorMessage( MSG_NO_SELECTED_TRK );
+		return C_CONTINUE;
+	}
+	if ( (Dj.inp[Dj.joinMoveState].trk = OnTrack( &pos, TRUE, TRUE )) == NULL ) {
+		return C_CONTINUE;
+	}
+	// if (Dj.joinMoveState == 0 && !CheckTrackLayerSilent( Dj.inp[Dj.joinMoveState].trk ) )
+	//	return C_CONTINUE;
+	Dj.inp[Dj.joinMoveState].params.ep = PickUnconnectedEndPoint( pos,
+	                                     Dj.inp[Dj.joinMoveState].trk ); /* CHECKME */
+	if ( Dj.inp[Dj.joinMoveState].params.ep == -1 ) {
 #ifdef LATER
-			ErrorMessage( MSG_NO_ENDPTS );
+		ErrorMessage( MSG_NO_ENDPTS );
 #endif
-			return C_CONTINUE;
-		}
+		return C_CONTINUE;
+	}
 #ifdef LATER
-		if ( GetTrkEndTrk( Dj.inp[Dj.joinMoveState].trk, Dj.inp[Dj.joinMoveState].params.ep ) ) {
-			ErrorMessage( MSG_SEL_EP_CONN );
-			return C_CONTINUE;
-		}
+	if ( GetTrkEndTrk( Dj.inp[Dj.joinMoveState].trk,
+	                   Dj.inp[Dj.joinMoveState].params.ep ) ) {
+		ErrorMessage( MSG_SEL_EP_CONN );
+		return C_CONTINUE;
+	}
 #endif
-		if (Dj.joinMoveState == 0) {
-			Dj.joinMoveState++;
-			InfoMessage( GetTrkSelected(Dj.inp[0].trk)?
-				_("Click on an unselected End-Point"):
-				_("Click on a selected End-Point") );
-			Dj.inp[0].pos = pos;
-			return C_CONTINUE;
-		}
-		if ( GetTrkSelected(Dj.inp[0].trk) == GetTrkSelected(Dj.inp[1].trk) ) {
-			ErrorMessage( MSG_2ND_TRK_NOT_SEL_UNSEL, GetTrkSelected(Dj.inp[0].trk)
-					?  _("unselected") : _("selected") );
-			return C_CONTINUE;
-		}
-		if (GetTrkSelected(Dj.inp[0].trk))
-			MoveToJoin( Dj.inp[0].trk, Dj.inp[0].params.ep, Dj.inp[1].trk, Dj.inp[1].params.ep );
-		else
-			MoveToJoin( Dj.inp[1].trk, Dj.inp[1].params.ep, Dj.inp[0].trk, Dj.inp[0].params.ep );
-		Dj.joinMoveState = 0;
-		return C_TERMINATE;
+	if (Dj.joinMoveState == 0) {
+		Dj.joinMoveState++;
+		InfoMessage( GetTrkSelected(Dj.inp[0].trk)?
+		             _("Click on an unselected End-Point"):
+		             _("Click on a selected End-Point") );
+		Dj.inp[0].pos = pos;
+		return C_CONTINUE;
+	}
+	if ( GetTrkSelected(Dj.inp[0].trk) == GetTrkSelected(Dj.inp[1].trk) ) {
+		ErrorMessage( MSG_2ND_TRK_NOT_SEL_UNSEL, GetTrkSelected(Dj.inp[0].trk)
+		              ?  _("unselected") : _("selected") );
+		return C_CONTINUE;
+	}
+	if (GetTrkSelected(Dj.inp[0].trk)) {
+		MoveToJoin( Dj.inp[0].trk, Dj.inp[0].params.ep, Dj.inp[1].trk,
+		            Dj.inp[1].params.ep );
+	} else {
+		MoveToJoin( Dj.inp[1].trk, Dj.inp[1].params.ep, Dj.inp[0].trk,
+		            Dj.inp[0].params.ep );
+	}
+	Dj.joinMoveState = 0;
+	return C_TERMINATE;
 }
 
 typedef enum {NO_LINE,FIRST_END,HAVE_LINE,HAVE_SECOND_LINE} LineState_t;
 
 static struct {
-		LineState_t line_state;
-		int joinMoveState;
-		track_p curr_line;
-		struct {
-				TRKTYP_T realType;
-				track_p line;
-				coOrd pos;
-				coOrd end;
-				int cnt;
-				} inp[2];
-		joinRes_t jRes;
-		coOrd inp_pos[2];
-		dynArr_t anchors_da;
-		trackParams_t params;
-		dynArr_t newLine;
-		} Dl;
+	LineState_t line_state;
+	int joinMoveState;
+	track_p curr_line;
+	struct {
+		TRKTYP_T realType;
+		track_p line;
+		coOrd pos;
+		coOrd end;
+		int cnt;
+	} inp[2];
+	joinRes_t jRes;
+	coOrd inp_pos[2];
+	dynArr_t anchors_da;
+	trackParams_t params;
+	dynArr_t newLine;
+} Dl;
 
 #define anchors(N) DYNARR_N(trkSeg_t,Dl.anchors_da,N)
 
-void AddAnchorEnd(coOrd p) {
+void AddAnchorEnd(coOrd p)
+{
 	DIST_T d = tempD.scale*0.15;
 	DYNARR_APPEND(trkSeg_t,Dl.anchors_da,1);
 	trkSeg_p a = &DYNARR_LAST(trkSeg_t,Dl.anchors_da);
 	a->type = SEG_CRVLIN;
-	a->width = 0;
+	a->lineWidth = 0;
 	a->u.c.a0 = 0.0;
 	a->u.c.a1 = 360.0;
 	a->u.c.center = p;
@@ -460,8 +487,8 @@ void AddAnchorEnd(coOrd p) {
 
 
 static STATUS_T CmdJoinLine(
-		wAction_t action,
-		coOrd pos )
+        wAction_t action,
+        coOrd pos )
 /*
  * Join 2 lines.
  */
@@ -472,7 +499,7 @@ static STATUS_T CmdJoinLine(
 		InfoMessage( _("Left click - Select first draw object end") );
 		Dl.line_state = NO_LINE;
 		Dl.joinMoveState = 0;
-		tempSegs_da.cnt = 0;
+		DYNARR_RESET( trkSeg_t, tempSegs_da );
 		DYNARR_RESET(trkSeg_t,Dl.newLine);
 		Dl.curr_line = NULL;
 		SetAllTrackSelect( FALSE );
@@ -482,7 +509,7 @@ static STATUS_T CmdJoinLine(
 		Dl.curr_line = NULL;
 		coOrd pos1= pos;
 		Dl.curr_line = OnTrack( &pos1, FALSE, FALSE );
-		if (!Dl.curr_line) return C_CONTINUE;
+		if (!Dl.curr_line) { return C_CONTINUE; }
 		if (IsTrack(Dl.curr_line)) {
 			Dl.curr_line = NULL;
 			return C_CONTINUE;
@@ -496,8 +523,8 @@ static STATUS_T CmdJoinLine(
 			return C_CONTINUE;
 		}
 		if ( (Dl.line_state != NO_LINE) &&
-				(Dl.inp[0].line == Dl.curr_line) &&
-				(IsClose(FindDistance(Dl.inp[0].pos,Dl.params.lineOrig)) ) ) {
+		     (Dl.inp[0].line == Dl.curr_line) &&
+		     (IsClose(FindDistance(Dl.inp[0].pos,Dl.params.lineOrig)) ) ) {
 			Dl.curr_line = NULL;
 		} else {
 			AddAnchorEnd(Dl.params.lineOrig);
@@ -512,8 +539,8 @@ static STATUS_T CmdJoinLine(
 				InfoMessage( _("Not a line - Try again") );
 				return C_CONTINUE;
 			}
-			if (!QueryTrack(Dl.curr_line,Q_GET_NODES)) return C_CONTINUE;
-			if (!GetTrackParams(PARAMS_NODES,Dl.curr_line,pos,&Dl.params)) return C_CONTINUE;
+			if (!QueryTrack(Dl.curr_line,Q_GET_NODES)) { return C_CONTINUE; }
+			if (!GetTrackParams(PARAMS_NODES,Dl.curr_line,pos,&Dl.params)) { return C_CONTINUE; }
 			Dl.line_state = HAVE_LINE;
 			Dl.inp[0].line = Dl.curr_line;
 			Dl.inp[0].pos = Dl.params.lineOrig;
@@ -522,20 +549,23 @@ static STATUS_T CmdJoinLine(
 
 			DYNARR_LAST(trkSeg_t,Dl.newLine).type = SEG_POLY;
 			DYNARR_LAST(trkSeg_t,Dl.newLine).color = wDrawColorBlack;
-			DYNARR_LAST(trkSeg_t,Dl.newLine).width = 0;
+			DYNARR_LAST(trkSeg_t,Dl.newLine).lineWidth = 0;
 			DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.polyType = POLYLINE;
-			DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts = MyMalloc(sizeof(pts_t)*Dl.params.nodes.cnt);
+			DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts = MyMalloc(sizeof(
+			                        pts_t)*Dl.params.nodes.cnt);
 			DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.cnt = Dl.params.nodes.cnt;
 			if (Dl.params.ep) {
 				//Copy in reverse as we want this point to be last
-				for (int i=Dl.params.nodes.cnt-1,j=0;i>=0;i--,j++) {
-					DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt = DYNARR_N(coOrd,Dl.params.nodes,i);
+				for (int i=Dl.params.nodes.cnt-1,j=0; i>=0; i--,j++) {
+					DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt = DYNARR_N(coOrd,Dl.params.nodes,
+					                i);
 					DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt_type = wPolyLineStraight;
 				}
 			} else {
 				//Copy forwards to end up with this point last
-				for (int i=0; i<Dl.params.nodes.cnt;i++) {
-					DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[i].pt = DYNARR_N(coOrd,Dl.params.nodes,i);
+				for (int i=0; i<Dl.params.nodes.cnt; i++) {
+					DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[i].pt = DYNARR_N(coOrd,Dl.params.nodes,
+					                i);
 					DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[i].pt_type = wPolyLineStraight;
 				}
 			}
@@ -546,11 +576,11 @@ static STATUS_T CmdJoinLine(
 				InfoMessage( _("Not a line - Try again") );
 				return C_CONTINUE;
 			}
-			if (!QueryTrack(Dl.curr_line,Q_GET_NODES)) return C_CONTINUE;
-			if (!GetTrackParams(PARAMS_NODES,Dl.curr_line,pos,&Dl.params)) return C_CONTINUE;
+			if (!QueryTrack(Dl.curr_line,Q_GET_NODES)) { return C_CONTINUE; }
+			if (!GetTrackParams(PARAMS_NODES,Dl.curr_line,pos,&Dl.params)) { return C_CONTINUE; }
 			if (Dl.curr_line == Dl.inp[0].line) {
 				if ((Dl.params.lineOrig.x == Dl.inp[0].pos.x) &&
-					(Dl.params.lineOrig.y == Dl.inp[0].pos.y)) {
+				    (Dl.params.lineOrig.y == Dl.inp[0].pos.y)) {
 					InfoMessage( _("Same draw object and same endpoint - Try again") );
 					return C_CONTINUE;
 				}
@@ -562,23 +592,29 @@ static STATUS_T CmdJoinLine(
 			int old_cnt = DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.cnt;
 			BOOL_T join_near = FALSE;
 			if (Dl.inp[1].line == Dl.inp[0].line) {
-				DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts = MyRealloc(DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts,sizeof(pts_t)*(old_cnt+1));
-				DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[old_cnt] = DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[0];   // Joined up Polygon
+				DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts = MyRealloc(DYNARR_LAST(trkSeg_t,
+				                Dl.newLine).u.p.pts,sizeof(pts_t)*(old_cnt+1));
+				DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[old_cnt] = DYNARR_LAST(trkSeg_t,
+				                Dl.newLine).u.p.pts[0];   // Joined up Polygon
 				DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.cnt += 1;
 			} else {
-				if (IsClose(FindDistance(Dl.inp[0].pos,Dl.inp[1].pos)))
+				if (IsClose(FindDistance(Dl.inp[0].pos,Dl.inp[1].pos))) {
 					join_near = TRUE;
-				DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts = MyRealloc(DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts,sizeof(pts_t)*(old_cnt+Dl.params.nodes.cnt-join_near));
+				}
+				DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts = MyRealloc(DYNARR_LAST(trkSeg_t,
+				                Dl.newLine).u.p.pts,sizeof(pts_t)*(old_cnt+Dl.params.nodes.cnt-join_near));
 				if (Dl.params.ep) {
 					//Copy forwards as this point is first
-					for (int i=join_near,j=old_cnt;i<Dl.params.nodes.cnt;i++,j++) {
-						DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt = DYNARR_N(coOrd,Dl.params.nodes,i);
+					for (int i=join_near,j=old_cnt; i<Dl.params.nodes.cnt; i++,j++) {
+						DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt = DYNARR_N(coOrd,Dl.params.nodes,
+						                i);
 						DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt_type = wPolyLineStraight;
 					}
 				} else {
 					//Copy backwards as this point is last
-					for (int i=Dl.params.nodes.cnt-join_near-1,j=old_cnt;i>=0;i--,j++) {
-						DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt = DYNARR_N(coOrd,Dl.params.nodes,i);
+					for (int i=Dl.params.nodes.cnt-join_near-1,j=old_cnt; i>=0; i--,j++) {
+						DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt = DYNARR_N(coOrd,Dl.params.nodes,
+						                i);
 						DYNARR_LAST(trkSeg_t,Dl.newLine).u.p.pts[j].pt_type = wPolyLineStraight;
 					}
 				}
@@ -591,13 +627,14 @@ static STATUS_T CmdJoinLine(
 	case C_MOVE:
 		break;
 	case C_UP:
-		if (Dl.line_state != HAVE_SECOND_LINE) return C_CONTINUE;
+		if (Dl.line_state != HAVE_SECOND_LINE) { return C_CONTINUE; }
 		Dl.line_state = NO_LINE;
 		UndoStart(_("Create PolyLine"), "newPolyLine");
 		track_p newTrack = MakePolyLineFromSegs( zero, 0.0, &Dl.newLine );
 		DeleteTrack(Dl.inp[0].line,FALSE);
-		if (Dl.inp[0].line != Dl.inp[1].line)
+		if (Dl.inp[0].line != Dl.inp[1].line) {
 			DeleteTrack(Dl.inp[1].line,FALSE);
+		}
 		UndoEnd();
 		DrawNewTrack(newTrack);
 		CleanSegs(&Dl.newLine);
@@ -610,10 +647,15 @@ static STATUS_T CmdJoinLine(
 		Dl.curr_line = NULL;
 		break;
 	case C_REDRAW:
-		if (Dl.line_state != NO_LINE) DrawSegs(&tempD,zero,0.0,((trkSeg_t*)Dl.newLine.ptr), Dl.newLine.cnt, trackGauge, wDrawColorPreviewSelected);
-		if (Dl.curr_line) DrawTrack(Dl.curr_line,&tempD,wDrawColorPreviewSelected);
-		if (Dl.anchors_da.cnt>0)
-			DrawSegs( &tempD, zero, 0.0, &anchors(0), Dl.anchors_da.cnt, trackGauge, wDrawColorPreviewSelected );
+		if (Dl.line_state != NO_LINE) {
+			DrawSegsDA(&tempD,NULL,zero,0.0,&Dl.newLine, trackGauge,
+			           wDrawColorPreviewSelected,0);
+		}
+		if (Dl.curr_line) {
+			DrawTrack(Dl.curr_line,&tempD,wDrawColorPreviewSelected);
+		}
+		DrawSegsDA( &tempD, NULL, zero, 0.0, &Dl.anchors_da, trackGauge,
+		            wDrawColorPreviewSelected, 0 );
 		break;
 	case C_TEXT:
 	case C_OK:
@@ -626,34 +668,37 @@ static STATUS_T CmdJoinLine(
 
 }
 
-void AnchorTempLine(coOrd p0, coOrd p1) {
+void AnchorTempLine(coOrd p0, coOrd p1)
+{
 	DYNARR_APPEND(trkSeg_t,Dj.anchors,1);
 	trkSeg_p p = &DYNARR_LAST(trkSeg_t,Dj.anchors);
 	p->type = SEG_STRLIN;
 	p->color = wDrawColorBlue;
-	p->width = 0.0;
+	p->lineWidth = 0.0;
 	p->u.l.pos[0] = p0;
 	p->u.l.pos[1] = p1;
 }
 
-void AnchorTempCircle(coOrd center,DIST_T radius, ANGLE_T a0, ANGLE_T a1) {
+void AnchorTempCircle(coOrd center,DIST_T radius, ANGLE_T a0, ANGLE_T a1)
+{
 	DYNARR_APPEND(trkSeg_t,Dj.anchors,1);
 	trkSeg_p p = &DYNARR_LAST(trkSeg_t,Dj.anchors);
 	p->type = SEG_CRVLIN;
 	p->color = wDrawColorBlue;
-	p->width = 0.0;
+	p->lineWidth = 0.0;
 	p->u.c.a0 =a0;
 	p->u.c.a1 = a1;
 	p->u.c.radius = radius;
 	p->u.c.center = center;
 }
 
-void AnchorPoint(coOrd center) {
+void AnchorPoint(coOrd center)
+{
 	DYNARR_APPEND(trkSeg_t,Dj.anchors,1);
 	trkSeg_p p = &DYNARR_LAST(trkSeg_t,Dj.anchors);
 	p->type = SEG_CRVLIN;
 	p->color = wDrawColorAqua;
-	p->width = 0.0;
+	p->lineWidth = 0.0;
 	p->u.c.a0 =0.0;
 	p->u.c.a1 = 360.0;
 	p->u.c.radius = mainD.scale/4;
@@ -672,100 +717,126 @@ static paramGroup_t joinPG = { "joinfixed", 0, joinPLs, COUNT( joinPLs ) };
 
 
 
-BOOL_T AdjustPosToRadius(coOrd *pos, DIST_T desired_radius, ANGLE_T an0, ANGLE_T an1) {
+BOOL_T AdjustPosToRadius(coOrd *pos, DIST_T desired_radius, ANGLE_T an0,
+                         ANGLE_T an1)
+{
 	coOrd point1,point2;
 	switch ( Dj.inp[1].params.type ) {
-		case curveTypeCurve:
-			if (Dj.inp[0].params.type == curveTypeStraight) {
-				coOrd  newP, newP1;
-				//Offset curve by desired_radius
-				DIST_T newR1;
-				newR1 = Dj.inp[1].params.arcR + desired_radius*((fabs(an1-Dj.inp[1].params.arcA0)<1.0)?1:-1);
-				if (newR1<=0.0) {
-					if (debug) InfoMessage("Zero Radius C1");
-					return FALSE;
-				}
-				//Offset line by desired_radius
-				Translate(&newP,Dj.inp[0].params.lineEnd,an0,desired_radius);
-				Translate(&newP1,Dj.inp[0].params.lineOrig,an0,desired_radius);
-				if (debug)
-					AnchorTempLine(newP,newP1);
-				//Intersect - this is the joining curve center
-				if (debug)
-					AnchorTempCircle(Dj.inp[1].params.arcP,newR1,Dj.inp[1].params.arcA0,Dj.inp[1].params.arcA1);
-				if (!FindArcAndLineIntersections(&point1,&point2,Dj.inp[1].params.arcP,newR1,newP,newP1))
-					return FALSE;
-			} else if (Dj.inp[0].params.type == curveTypeCurve) {
-				//Offset curve by desired_radius
-				DIST_T newR0;
-				newR0 = Dj.inp[0].params.arcR + desired_radius*((fabs(an0-Dj.inp[0].params.arcA0)<1.0)?1:-1);
-				if (newR0<=0.0) {
-					if (debug) InfoMessage("Zero Radius C0");
-					return FALSE;
-				}
-				//Offset curve by desired_radius
-				if (debug)
-					AnchorTempCircle(Dj.inp[0].params.arcP,newR0,Dj.inp[0].params.arcA0,Dj.inp[0].params.arcA1);
-				DIST_T newR1;
-				newR1 = Dj.inp[1].params.arcR + desired_radius*((fabs(an1-Dj.inp[1].params.arcA0)<1.0)?1:-1);
-				if (newR1<=0.0) {
-					if (debug) InfoMessage("Zero Radius C1");
-					return FALSE;
-				}
-				//Intersect - this is the joining curve center
-				if (debug)
-					AnchorTempCircle(Dj.inp[1].params.arcP,newR1,Dj.inp[1].params.arcA0,Dj.inp[1].params.arcA1);
-				if (!FindArcIntersections(&point1,&point2,Dj.inp[0].params.arcP,newR0,Dj.inp[1].params.arcP,newR1))
-					return FALSE;
+	case curveTypeCurve:
+		if (Dj.inp[0].params.type == curveTypeStraight) {
+			coOrd  newP, newP1;
+			//Offset curve by desired_radius
+			DIST_T newR1;
+			newR1 = Dj.inp[1].params.arcR + desired_radius*((fabs(an1
+			                -Dj.inp[1].params.arcA0)<1.0)?1:-1);
+			if (newR1<=0.0) {
+				if (debug) { InfoMessage("Zero Radius C1"); }
+				return FALSE;
 			}
+			//Offset line by desired_radius
+			Translate(&newP,Dj.inp[0].params.lineEnd,an0,desired_radius);
+			Translate(&newP1,Dj.inp[0].params.lineOrig,an0,desired_radius);
 			if (debug) {
-				AnchorPoint(point1);
-				AnchorPoint(point2);
+				AnchorTempLine(newP,newP1);
 			}
-			break;
-		case curveTypeStraight:
-			if (Dj.inp[0].params.type == curveTypeStraight) {
-				coOrd newI,newP0,newP01, newP1, newP11;
-				//Offset line1 by desired_radius
-				Translate(&newP0,Dj.inp[0].params.lineEnd,an0,desired_radius);
-				Translate(&newP01,Dj.inp[0].params.lineOrig,an0,desired_radius);
-				if (debug)
-					AnchorTempLine(newP0,newP01);
-				//Offset line2 by desired_radius
-				Translate(&newP1,Dj.inp[1].params.lineEnd,an1,desired_radius);
-				Translate(&newP11,Dj.inp[1].params.lineOrig,an1,desired_radius);
-				if (debug)
-					AnchorTempLine(newP1,newP11);
-				if (!FindIntersection(&newI,newP0,Dj.inp[0].params.angle,newP1,Dj.inp[1].params.angle))
-					return FALSE;
-				point1 = point2 = newI;
-			} else if (Dj.inp[0].params.type == curveTypeCurve) {
-				coOrd newP, newP1;
-				//Offset curve by desired_radius
-				DIST_T newR0;
-				newR0 = Dj.inp[0].params.arcR + desired_radius*((fabs(an0-Dj.inp[0].params.arcA0)<1.0)?1:-1);
-				if (newR0<=0.0) {
-					if (debug) InfoMessage("Zero Radius C0");
-					return FALSE;
-				}
-				if (debug)
-					AnchorTempCircle(Dj.inp[0].params.arcP,newR0,Dj.inp[0].params.arcA0,Dj.inp[0].params.arcA1);
-				//Offset line by desired_radius
-				Translate(&newP,Dj.inp[1].params.lineEnd,an1,desired_radius);
-				Translate(&newP1,Dj.inp[1].params.lineOrig,an1,desired_radius);
-				if (debug)
-					AnchorTempLine(newP,newP1);
-				//Intersect - this is the joining curve center
-				if (!FindArcAndLineIntersections(&point1,&point2,Dj.inp[0].params.arcP,newR0,newP,newP1))
-					return FALSE;
+			//Intersect - this is the joining curve center
+			if (debug) {
+				AnchorTempCircle(Dj.inp[1].params.arcP,newR1,Dj.inp[1].params.arcA0,
+				                 Dj.inp[1].params.arcA1);
 			}
+			if (!FindArcAndLineIntersections(&point1,&point2,Dj.inp[1].params.arcP,newR1,
+			                                 newP,newP1)) {
+				return FALSE;
+			}
+		} else if (Dj.inp[0].params.type == curveTypeCurve) {
+			//Offset curve by desired_radius
+			DIST_T newR0;
+			newR0 = Dj.inp[0].params.arcR + desired_radius*((fabs(an0
+			                -Dj.inp[0].params.arcA0)<1.0)?1:-1);
+			if (newR0<=0.0) {
+				if (debug) { InfoMessage("Zero Radius C0"); }
+				return FALSE;
+			}
+			//Offset curve by desired_radius
 			if (debug) {
-				AnchorPoint(point1);
-				AnchorPoint(point2);
+				AnchorTempCircle(Dj.inp[0].params.arcP,newR0,Dj.inp[0].params.arcA0,
+				                 Dj.inp[0].params.arcA1);
 			}
-			break;
-		default:
-			return FALSE;
+			DIST_T newR1;
+			newR1 = Dj.inp[1].params.arcR + desired_radius*((fabs(an1
+			                -Dj.inp[1].params.arcA0)<1.0)?1:-1);
+			if (newR1<=0.0) {
+				if (debug) { InfoMessage("Zero Radius C1"); }
+				return FALSE;
+			}
+			//Intersect - this is the joining curve center
+			if (debug) {
+				AnchorTempCircle(Dj.inp[1].params.arcP,newR1,Dj.inp[1].params.arcA0,
+				                 Dj.inp[1].params.arcA1);
+			}
+			if (!FindArcIntersections(&point1,&point2,Dj.inp[0].params.arcP,newR0,
+			                          Dj.inp[1].params.arcP,newR1)) {
+				return FALSE;
+			}
+		}
+		if (debug) {
+			AnchorPoint(point1);
+			AnchorPoint(point2);
+		}
+		break;
+	case curveTypeStraight:
+		if (Dj.inp[0].params.type == curveTypeStraight) {
+			coOrd newI,newP0,newP01, newP1, newP11;
+			//Offset line1 by desired_radius
+			Translate(&newP0,Dj.inp[0].params.lineEnd,an0,desired_radius);
+			Translate(&newP01,Dj.inp[0].params.lineOrig,an0,desired_radius);
+			if (debug) {
+				AnchorTempLine(newP0,newP01);
+			}
+			//Offset line2 by desired_radius
+			Translate(&newP1,Dj.inp[1].params.lineEnd,an1,desired_radius);
+			Translate(&newP11,Dj.inp[1].params.lineOrig,an1,desired_radius);
+			if (debug) {
+				AnchorTempLine(newP1,newP11);
+			}
+			if (!FindIntersection(&newI,newP0,Dj.inp[0].params.angle,newP1,
+			                      Dj.inp[1].params.angle)) {
+				return FALSE;
+			}
+			point1 = point2 = newI;
+		} else if (Dj.inp[0].params.type == curveTypeCurve) {
+			coOrd newP, newP1;
+			//Offset curve by desired_radius
+			DIST_T newR0;
+			newR0 = Dj.inp[0].params.arcR + desired_radius*((fabs(an0
+			                -Dj.inp[0].params.arcA0)<1.0)?1:-1);
+			if (newR0<=0.0) {
+				if (debug) { InfoMessage("Zero Radius C0"); }
+				return FALSE;
+			}
+			if (debug) {
+				AnchorTempCircle(Dj.inp[0].params.arcP,newR0,Dj.inp[0].params.arcA0,
+				                 Dj.inp[0].params.arcA1);
+			}
+			//Offset line by desired_radius
+			Translate(&newP,Dj.inp[1].params.lineEnd,an1,desired_radius);
+			Translate(&newP1,Dj.inp[1].params.lineOrig,an1,desired_radius);
+			if (debug) {
+				AnchorTempLine(newP,newP1);
+			}
+			//Intersect - this is the joining curve center
+			if (!FindArcAndLineIntersections(&point1,&point2,Dj.inp[0].params.arcP,newR0,
+			                                 newP,newP1)) {
+				return FALSE;
+			}
+		}
+		if (debug) {
+			AnchorPoint(point1);
+			AnchorPoint(point2);
+		}
+		break;
+	default:
+		return FALSE;
 	}
 	if (FindDistance(*pos,point1)<=FindDistance(*pos,point2)) {
 		if (Dj.inp[1].params.type == curveTypeCurve) {
@@ -778,27 +849,30 @@ BOOL_T AdjustPosToRadius(coOrd *pos, DIST_T desired_radius, ANGLE_T an0, ANGLE_T
 		if (Dj.inp[1].params.type == curveTypeCurve) {
 			ANGLE_T a = FindAngle(Dj.inp[1].params.arcP,point2);
 			Translate(pos,Dj.inp[1].params.arcP,a,Dj.inp[1].params.arcR);
-		} else
+		} else {
 			Translate(pos,point2,NormalizeAngle(an1+180),desired_radius);
+		}
 	}
 
 	return TRUE;
 
 }
 
-void AddAnchorJoin(coOrd pos, ANGLE_T angle) {
+void AddAnchorJoin(coOrd pos, ANGLE_T angle)
+{
 	DIST_T d = tempD.scale*0.15;
 	DYNARR_APPEND(trkSeg_t,Dj.anchors,1);
 	trkSeg_p a = &DYNARR_LAST(trkSeg_t,Dj.anchors);
 	a->type = SEG_CRVLIN;
-	a->width = 0;
+	a->lineWidth = 0;
 	a->u.c.a0 = 0.0;
 	a->u.c.a1 = 360.0;
 	a->u.c.center = pos;
 	a->u.c.radius = d/2;
 	a->color = wDrawColorBlue;
 	DYNARR_SET(trkSeg_t,Dj.anchors,Dj.anchors.cnt+5);
-	DrawArrowHeads(&DYNARR_N(trkSeg_t,Dj.anchors,Dj.anchors.cnt-5),pos,angle,FALSE,wDrawColorBlue);
+	DrawArrowHeads(&DYNARR_N(trkSeg_t,Dj.anchors,Dj.anchors.cnt-5),pos,angle,FALSE,
+	               wDrawColorBlue);
 
 }
 
@@ -808,8 +882,8 @@ static coOrd anchor_pos;
 static ANGLE_T anchor_angle = 0.0;
 
 static STATUS_T CmdJoin(
-		wAction_t action,
-		coOrd pos )
+        wAction_t action,
+        coOrd pos )
 /*
  * Join 2 tracks.
  */
@@ -827,17 +901,20 @@ static STATUS_T CmdJoin(
 	BOOL_T ok;
 	wControl_p controls[2];
 	char * labels[1];
+	trkSeg_p p;
 
 	switch (action&0xFF) {
 
 	case C_START:
 		if (joinPLs[0].control==NULL) {
-		       ParamCreateControls(&joinPG, NULL);
+			ParamCreateControls(&joinPG, NULL);
 		}
-		if (selectedTrackCount==0)
+		if (selectedTrackCount==0) {
 			InfoMessage( _("Left click - join with track") );
-		else
-			InfoMessage( _("Left click - join with track, Shift Left click - move to join") );
+		} else {
+			InfoMessage(
+			        _("Left click - join with track, Shift Left click - move to join") );
+		}
 		DYNARR_RESET(trkSeg_t,Dj.anchors);
 		Dj.state = 0;
 		Dj.joinMoveState = 0;
@@ -845,70 +922,86 @@ static STATUS_T CmdJoin(
 		/*ParamGroupRecord( &easementPG );*/
 		infoSubst = FALSE;
 		anchor_trk = NULL;
-		if (easementVal < 0.0)
+		if (easementVal < 0.0) {
+			commandContext = I2VP(cornuJoinTrack);
 			return CmdCornu(action, pos);
+		}
 		return C_CONTINUE;
 
 	case wActionMove:
 		anchor_trk = NULL;
 		DYNARR_RESET(rkSeg_t,Dj.anchors);
-		if ((easementVal < 0) && Dj.joinMoveState == 0 )
+		if ((easementVal < 0) && Dj.joinMoveState == 0 ) {
+			commandContext = I2VP(cornuJoinTrack);
 			return CmdCornu(action, pos);
-		if ( Dj.state >= 2) return C_CONTINUE;
-		if ( (trk = OnTrack( &pos, FALSE, TRUE )) == NULL)
+		}
+		if ( Dj.state >= 2) { return C_CONTINUE; }
+		if ( (trk = OnTrack( &pos, FALSE, TRUE )) == NULL) {
 			return C_CONTINUE;
-		if (!CheckTrackLayer( trk ) )
+		}
+		if (!CheckTrackLayer( trk ) ) {
 			return C_CONTINUE;
-		if ((Dj.state > 0) && (trk == Dj.inp[0].trk))
+		}
+		if ((Dj.state > 0) && (trk == Dj.inp[0].trk)) {
 			return C_CONTINUE;
+		}
 		trackParams_t moveParams;
-		if (!GetTrackParams( PARAMS_1ST_JOIN, trk, pos, &moveParams ))
+		if (!GetTrackParams( PARAMS_1ST_JOIN, trk, pos, &moveParams )) {
 			return C_CONTINUE;
+		}
 		if (moveParams.type == curveTypeBezier || moveParams.type == curveTypeCornu) {
 			if (!(easementVal<0)) {
 				return C_CONTINUE;
 			}
 		}
 		ep = PickUnconnectedEndPointSilent(pos,trk);
-		if (ep <0) return C_CONTINUE;
-		if (IsClose(FindDistance(GetTrkEndPos(trk,ep),pos)))
+		if (ep <0) { return C_CONTINUE; }
+		if (IsClose(FindDistance(GetTrkEndPos(trk,ep),pos))) {
 			anchor_angle = GetTrkEndAngle(trk,ep);
-		else
+		} else {
 			anchor_angle = FindAngle(pos,GetTrkEndPos(trk,ep));
+		}
 		anchor_trk = trk;
 		anchor_pos = pos;
 		AddAnchorJoin(pos,anchor_angle);
 		break;
-
+		
 	case C_DOWN:
-		if ( !Dj.cornuMode && ((Dj.state == 0 && (MyGetKeyState() & WKEY_SHIFT) != 0) || Dj.joinMoveState != 0) )
+		if ( !Dj.cornuMode && ((Dj.state == 0 && (MyGetKeyState() & WKEY_SHIFT) != 0)
+		                       || Dj.joinMoveState != 0) ) {
 			return DoMoveToJoin( pos );
+		}
 		if (easementVal < 0.0 && Dj.joinMoveState == 0) {
 			Dj.cornuMode = TRUE;
+			commandContext = I2VP(cornuJoinTrack);
 			return CmdCornu(action, pos);
 		}
 
 		DYNARR_SET( trkSeg_t, tempSegs_da, 3 );
 		tempSegs(0).color = drawColorBlack;
-		tempSegs(0).width = 0;
+		tempSegs(0).lineWidth = 0;
 		tempSegs(1).color = drawColorBlack;
-		tempSegs(1).width = 0;
+		tempSegs(1).lineWidth = 0;
 		tempSegs(2).color = drawColorBlack;
-		tempSegs(2).width = 0;
-		tempSegs_da.cnt = 0;
+		tempSegs(2).lineWidth = 0;
+		DYNARR_RESET( trkSeg_t, tempSegs_da );
 		Dj.joinMoveState = 0;
-/* Populate (Dj.inp[0]) and check for connecting abutting tracks */
+		/* Populate (Dj.inp[0]) and check for connecting abutting tracks */
 		if (Dj.state == 0) {
-			if ( (Dj.inp[0].trk = OnTrack( &pos, TRUE, TRUE )) == NULL)
+			if ( (Dj.inp[0].trk = OnTrack( &pos, TRUE, TRUE )) == NULL) {
 				return C_CONTINUE;
-			if (!CheckTrackLayer( Dj.inp[0].trk ) )
+			}
+			if (!CheckTrackLayer( Dj.inp[0].trk ) ) {
 				return C_CONTINUE;
+			}
 			Dj.inp[0].pos = pos;
-LOG( log_join, 1, ("JOIN: 1st track %d @[%0.3f %0.3f]\n",
-						GetTrkIndex(Dj.inp[0].trk), Dj.inp[0].pos.x, Dj.inp[1].pos.y ) )
-			if (!GetTrackParams( PARAMS_1ST_JOIN, Dj.inp[0].trk, pos, &Dj.inp[0].params ))
+			LOG( log_join, 1, ("JOIN: 1st track %d @[%0.3f %0.3f]\n",
+			                   GetTrkIndex(Dj.inp[0].trk), Dj.inp[0].pos.x, Dj.inp[1].pos.y ) )
+			if (!GetTrackParams( PARAMS_1ST_JOIN, Dj.inp[0].trk, pos, &Dj.inp[0].params )) {
 				return C_CONTINUE;
-			if (Dj.inp[0].params.type == curveTypeBezier || Dj.inp[0].params.type == curveTypeCornu) {
+			}
+			if (Dj.inp[0].params.type == curveTypeBezier
+			    || Dj.inp[0].params.type == curveTypeCornu) {
 				if (!(easementVal<0 && Dj.cornuMode)) {
 					ErrorMessage( MSG_JOIN_NOTBEZIERORCORNU);
 					return C_CONTINUE;
@@ -929,34 +1022,42 @@ LOG( log_join, 1, ("JOIN: 1st track %d @[%0.3f %0.3f]\n",
 			ParamGroupRecord(&joinPG);
 			return C_CONTINUE;
 		} else {
-			if ( (Dj.inp[1].trk = OnTrack( &pos, FALSE, TRUE )) == NULL)
+			if ( (Dj.inp[1].trk = OnTrack( &pos, FALSE, TRUE )) == NULL) {
 				return C_CONTINUE;
-			if (!CheckTrackLayer( Dj.inp[1].trk ) )
+			}
+			if (!CheckTrackLayer( Dj.inp[1].trk ) ) {
 				return C_CONTINUE;
+			}
 			Dj.inp[1].pos = pos;
-			if (!GetTrackParams( PARAMS_2ND_JOIN, Dj.inp[1].trk, pos, &Dj.inp[1].params ))
+			if (!GetTrackParams( PARAMS_2ND_JOIN, Dj.inp[1].trk, pos, &Dj.inp[1].params )) {
 				return C_CONTINUE;
+			}
 			if ( Dj.inp[0].trk == Dj.inp[1].trk ) {
 				ErrorMessage( MSG_JOIN_SAME );
 				return C_CONTINUE;
 			}
-			if (infoSubst)
+			if (infoSubst) {
 				InfoSubstituteControls(NULL, NULL);
+			}
 			infoSubst = FALSE;
 
 			Dj.inp[1].realType = GetTrkType(Dj.inp[1].trk);
-			if ( IsCurveCircle( Dj.inp[0].trk ) )
-				Dj.inp[0].params.ep = PickArcEndPt( Dj.inp[0].params.arcP, Dj.inp[0].pos, pos );
-			if ( IsCurveCircle( Dj.inp[1].trk ) )
-				Dj.inp[1].params.ep = PickArcEndPt( Dj.inp[1].params.arcP, pos, Dj.inp[0].pos );
-
-LOG( log_join, 1, ("      2nd track %d, @[%0.3f %0.3f] EP0=%d EP1=%d\n",
-						GetTrkIndex(Dj.inp[1].trk), Dj.inp[1].pos.x, Dj.inp[1].pos.y,
-						Dj.inp[0].params.ep, Dj.inp[1].params.ep ) )
-LOG( log_join, 1, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
+			if ( IsCurveCircle( Dj.inp[0].trk ) ) {
+				Dj.inp[0].params.ep = PickArcEndPt( Dj.inp[0].params.arcP, Dj.inp[0].pos,
+				                                    pos );
+			}
+			if ( IsCurveCircle( Dj.inp[1].trk ) ) {
+				Dj.inp[1].params.ep = PickArcEndPt( Dj.inp[1].params.arcP, pos,
+				                                    Dj.inp[0].pos );
+			}
+
+			LOG( log_join, 1, ("      2nd track %d, @[%0.3f %0.3f] EP0=%d EP1=%d\n",
+			                   GetTrkIndex(Dj.inp[1].trk), Dj.inp[1].pos.x, Dj.inp[1].pos.y,
+			                   Dj.inp[0].params.ep, Dj.inp[1].params.ep ) )
+			LOG( log_join, 1, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 			BOOL_T only_merge = FALSE;
 			if ( (Dj.inp[0].params.ep >=0) &&
-					(GetTrkEndTrk(Dj.inp[0].trk,Dj.inp[0].params.ep) != NULL)) {
+			     (GetTrkEndTrk(Dj.inp[0].trk,Dj.inp[0].params.ep) != NULL)) {
 				if (GetTrkEndTrk(Dj.inp[0].trk,Dj.inp[0].params.ep) != Dj.inp[1].trk) {
 					only_merge = TRUE;
 					ErrorMessage( MSG_TRK_ALREADY_CONN, _("First") );
@@ -964,14 +1065,15 @@ LOG( log_join, 1, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 				}
 			}
 			if ( (Dj.inp[1].params.ep >= 0) &&
-				 (GetTrkEndTrk(Dj.inp[1].trk,Dj.inp[1].params.ep) != NULL)) {
+			     (GetTrkEndTrk(Dj.inp[1].trk,Dj.inp[1].params.ep) != NULL)) {
 				if (GetTrkEndTrk(Dj.inp[1].trk,Dj.inp[1].params.ep) != Dj.inp[0].trk) {
 					only_merge = TRUE;
 					ErrorMessage( MSG_TRK_ALREADY_CONN, _("Second") );
 					return C_CONTINUE;
 				}
 			}
-			if (Dj.inp[1].params.type == curveTypeBezier || Dj.inp[1].params.type == curveTypeCornu) {
+			if (Dj.inp[1].params.type == curveTypeBezier
+			    || Dj.inp[1].params.type == curveTypeCornu) {
 				if (!(easementVal<0 && Dj.cornuMode)) {
 					ErrorMessage( MSG_JOIN_NOTBEZIERORCORNU);
 					return C_CONTINUE;
@@ -979,25 +1081,27 @@ LOG( log_join, 1, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 			}
 			rc = C_CONTINUE;
 			if ( MergeTracks( Dj.inp[0].trk, Dj.inp[0].params.ep,
-							  Dj.inp[1].trk, Dj.inp[1].params.ep ) ) {
+			                  Dj.inp[1].trk, Dj.inp[1].params.ep ) ) {
 				rc = C_TERMINATE;
 			} else if (only_merge) {
 				rc = C_TERMINATE;
 			} else if ( Dj.inp[0].params.ep >= 0 && Dj.inp[1].params.ep >= 0 ) {
 				if ( Dj.inp[0].params.type == curveTypeStraight &&
-					 Dj.inp[1].params.type == curveTypeStraight &&
-					 ExtendStraightToJoin( Dj.inp[0].trk, Dj.inp[0].params.ep,
-										   Dj.inp[1].trk, Dj.inp[1].params.ep ) )
+				     Dj.inp[1].params.type == curveTypeStraight &&
+				     ExtendStraightToJoin( Dj.inp[0].trk, Dj.inp[0].params.ep,
+				                           Dj.inp[1].trk, Dj.inp[1].params.ep ) ) {
 					rc = C_TERMINATE;
+				}
 				if ( ConnectAbuttingTracks( Dj.inp[0].trk, Dj.inp[0].params.ep,
-											Dj.inp[1].trk, Dj.inp[1].params.ep ) )
+				                            Dj.inp[1].trk, Dj.inp[1].params.ep ) ) {
 					rc = C_TERMINATE;
+				}
 			}
 			if ( rc == C_TERMINATE ) {
 				return rc;
 			}
 			if ( QueryTrack( Dj.inp[0].trk, Q_CANNOT_BE_ON_END ) ||
-				 QueryTrack( Dj.inp[1].trk, Q_CANNOT_BE_ON_END ) ) {
+			     QueryTrack( Dj.inp[1].trk, Q_CANNOT_BE_ON_END ) ) {
 				ErrorMessage( MSG_JOIN_EASEMENTS );
 				return C_CONTINUE;
 			}
@@ -1005,23 +1109,27 @@ LOG( log_join, 1, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 			Dj.state = 2;
 			Dj.jRes.flip = FALSE;
 		}
-		tempSegs_da.cnt = 0;
 		/* no break */
-
+		
 	case C_MOVE:
-		if (easementVal < 0 && Dj.cornuMode)
+		DYNARR_RESET( trkSeg_t, tempSegs_da );
+		if (easementVal < 0 && Dj.cornuMode) {
+			commandContext = I2VP(cornuJoinTrack);
 			return CmdCornu(action, pos);
+		}
 
-LOG( log_join, 3, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
-		if (Dj.state != 2)
+		LOG( log_join, 3, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
+		if (Dj.state != 2) {
 			return C_CONTINUE;
+		}
 
 		DYNARR_RESET(trkSeg_t,Dj.anchors);
 
 
 		//Fix Pos onto the line of the second track
 		if (Dj.inp[1].params.type == curveTypeStraight) {
-			ANGLE_T a = NormalizeAngle(FindAngle(Dj.inp[1].params.lineOrig,pos)-Dj.inp[1].params.angle);
+			ANGLE_T a = NormalizeAngle(FindAngle(Dj.inp[1].params.lineOrig,
+			                                     pos)-Dj.inp[1].params.angle);
 			DIST_T d = FindDistance(Dj.inp[1].params.lineOrig,pos);
 			Translate(&pos,Dj.inp[1].params.lineOrig,Dj.inp[1].params.angle,d*cos(D2R(a)));
 		} else {
@@ -1030,33 +1138,39 @@ LOG( log_join, 3, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 		}
 
 		if ((desired_radius != 0.0) &&
-			((Dj.inp[0].params.type == curveTypeStraight) || (Dj.inp[0].params.type == curveTypeCurve)) &&
-			((Dj.inp[1].params.type == curveTypeStraight) || (Dj.inp[1].params.type == curveTypeCurve)) &&
-				Dj.jRes.type==curveTypeCurve
-			) {
+		    ((Dj.inp[0].params.type == curveTypeStraight)
+		     || (Dj.inp[0].params.type == curveTypeCurve)) &&
+		    ((Dj.inp[1].params.type == curveTypeStraight)
+		     || (Dj.inp[1].params.type == curveTypeCurve)) &&
+		    Dj.jRes.type==curveTypeCurve
+		   ) {
 			ANGLE_T na0=0.0,na1=0.0;
-			coOrd end0, end1;
+//			coOrd end0, end1;
 			ANGLE_T a0,a1;
-			end0 = GetTrkEndPos(Dj.inp[0].trk,Dj.inp[0].params.ep);
-			end1 = GetTrkEndPos(Dj.inp[1].trk,Dj.inp[1].params.ep);
+//			end0 = GetTrkEndPos(Dj.inp[0].trk,Dj.inp[0].params.ep);
+//			end1 = GetTrkEndPos(Dj.inp[1].trk,Dj.inp[1].params.ep);
 			if (Dj.inp[0].params.type == curveTypeStraight) {
-				a0 = DifferenceBetweenAngles(Dj.inp[0].params.angle,FindAngle(Dj.jRes.pos[0], pos));
+				a0 = DifferenceBetweenAngles(Dj.inp[0].params.angle,FindAngle(Dj.jRes.pos[0],
+				                             pos));
 				na0 = NormalizeAngle( Dj.inp[0].params.angle +
-										((a0>0.0)?90.0:-90.0));
+				                      ((a0>0.0)?90.0:-90.0));
 			} else {
 				na0 = Dj.inp[0].params.arcA0;
-				if (FindDistance(Dj.inp[0].params.arcP,pos)<Dj.inp[0].params.arcR)
+				if (FindDistance(Dj.inp[0].params.arcP,pos)<Dj.inp[0].params.arcR) {
 					na0 = NormalizeAngle(na0+180.0);
+				}
 			}
 			//Now Second Line offset
 			if (Dj.inp[1].params.type == curveTypeStraight) {
-				a1 = DifferenceBetweenAngles(Dj.inp[1].params.angle,FindAngle(pos, Dj.jRes.pos[0]));
+				a1 = DifferenceBetweenAngles(Dj.inp[1].params.angle,FindAngle(pos,
+				                             Dj.jRes.pos[0]));
 				na1 = NormalizeAngle( Dj.inp[1].params.angle +
-										((a1>0.0)?90.0:-90.0));
+				                      ((a1>0.0)?90.0:-90.0));
 			} else {
 				na1 = Dj.inp[1].params.arcA0;
-				if (FindDistance(Dj.inp[1].params.arcP,Dj.jRes.pos[0])<Dj.inp[1].params.arcR)
+				if (FindDistance(Dj.inp[1].params.arcP,Dj.jRes.pos[0])<Dj.inp[1].params.arcR) {
 					na1 = NormalizeAngle(na1+180.0);
+				}
 			}
 			coOrd pos1 = pos;
 			if (AdjustPosToRadius(&pos1,desired_radius+(Dj.jointD[0].x), na0, na1)) {
@@ -1064,10 +1178,11 @@ LOG( log_join, 3, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 				beyond = 1.0;
 				if (Dj.inp[1].params.type == curveTypeStraight) {
 					FindPos( &off, &beyond, pos1, Dj.inp[1].params.lineOrig, Dj.inp[1].params.angle,
-										 FindDistance(Dj.inp[1].params.lineOrig,Dj.inp[1].params.lineEnd) );
+					         FindDistance(Dj.inp[1].params.lineOrig,Dj.inp[1].params.lineEnd) );
 				} else if (Dj.inp[1].params.type == curveTypeCurve) {
 					ANGLE_T a = FindAngle(Dj.inp[1].params.arcP,pos1);
-					if ((a>Dj.inp[1].params.arcA0+Dj.inp[1].params.arcA1) || (a< Dj.inp[1].params.arcA0)) {
+					if ((a>Dj.inp[1].params.arcA0+Dj.inp[1].params.arcA1)
+					    || (a< Dj.inp[1].params.arcA0)) {
 						beyond = 1.0;
 					}
 				}
@@ -1075,9 +1190,9 @@ LOG( log_join, 3, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 				if (beyond>-0.01 && IsClose(FindDistance(pos,pos1))) {
 					pos = pos1;
 					DYNARR_APPEND(trkSeg_t,Dj.anchors,1);
-					trkSeg_p p = &DYNARR_LAST(trkSeg_t,Dj.anchors);
+					p = &DYNARR_LAST(trkSeg_t,Dj.anchors);
 					p->type= SEG_CRVLIN;
-					p->width = 0;
+					p->lineWidth = 0;
 					p->color = wDrawColorBlue;
 					p->u.c.center = pos;
 					p->u.c.a1= 360.0;
@@ -1088,16 +1203,15 @@ LOG( log_join, 3, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 
 		}
 
-
-		tempSegs_da.cnt = 0;
-		tempSegs(0).color = drawColorBlack;
 		ok = FALSE;
 
-/* Populate (Dj.inp[1]) */ 
+		/* Populate (Dj.inp[1]) */
 
 		if ( QueryTrack(Dj.inp[1].trk,Q_REFRESH_JOIN_PARAMS_ON_MOVE) ) {
-			if ( !GetTrackParams( PARAMS_2ND_JOIN, Dj.inp[1].trk, pos, &Dj.inp[1].params ) )
+			if ( !GetTrackParams( PARAMS_2ND_JOIN, Dj.inp[1].trk, pos,
+			                      &Dj.inp[1].params ) ) {
 				return C_CONTINUE;
+			}
 		}
 
 
@@ -1106,19 +1220,20 @@ LOG( log_join, 3, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 		case curveTypeCurve:
 			normalAngle = FindAngle( Dj.inp[1].params.arcP, pos );
 			Dj.inp[1].params.angle = NormalizeAngle( normalAngle +
-											  ((Dj.inp[1].params.ep==0)?-90.0:90.0));
+			                         ((Dj.inp[1].params.ep==0)?-90.0:90.0));
 			PointOnCircle( &Dj.inp[1].pos, Dj.inp[1].params.arcP,
-							Dj.inp[1].params.arcR, normalAngle );
-			if (Dj.inp[0].params.ep == Dj.inp[1].params.ep)
+			               Dj.inp[1].params.arcR, normalAngle );
+			if (Dj.inp[0].params.ep == Dj.inp[1].params.ep) {
 				normalAngle = NormalizeAngle( normalAngle + 180.0 );
+			}
 			break;
 		case curveTypeStraight:
 			FindPos( &off, &beyond, pos, Dj.inp[1].params.lineOrig, Dj.inp[1].params.angle,
-					 DIST_INF );
+			         DIST_INF );
 			Translate( &Dj.inp[1].pos, Dj.inp[1].params.lineOrig, Dj.inp[1].params.angle,
-					   off.x );
+			           off.x );
 			normalAngle = NormalizeAngle( Dj.inp[1].params.angle +
-										  ((Dj.inp[0].params.ep==0)?-90.0:90.0) );
+			                              ((Dj.inp[0].params.ep==0)?-90.0:90.0) );
 			break;
 		case curveTypeNone:
 		case curveTypeBezier:
@@ -1126,23 +1241,27 @@ LOG( log_join, 3, ("P1=[%0.3f %0.3f]\n", pos.x, pos.y ) )
 			break;
 		}
 
-/* Compute the radius of the 2 tracks, for ComputeE() */
-		for (inx=0;inx<2;inx++)
+		/* Compute the radius of the 2 tracks, for ComputeE() */
+		for (inx=0; inx<2; inx++)
 			if (Dj.inp[inx].params.type == curveTypeCurve) {
 				eR[inx] = Dj.inp[inx].params.arcR;
-				if (Dj.inp[inx].params.ep == inx)
+				if (Dj.inp[inx].params.ep == inx) {
 					eR[inx] = - eR[inx];
-			} else
+				}
+			} else {
 				eR[inx] = 0.0;
+			}
 
-		if (!AdjustJoint( FALSE, 0.0, eR, normalAngle ))
+		if (!AdjustJoint( FALSE, 0.0, eR, normalAngle )) {
 			goto errorReturn;
-			/*return C_CONTINUE;*/
+		}
+		/*return C_CONTINUE;*/
 
 		if (beyond < -0.000001) {
 #ifdef VERBOSE
-printf("pos=[%0.3f,%0.3f] lineOrig=[%0.3f,%0.3f], angle=%0.3f = off=[%0.3f,%0.3f], beyond=%0.3f\n",
-pos.x, pos.y, Dj.inp[1].params.lineOrig.x, Dj.inp[1].params.lineOrig.y, Dj.inp[1].params.angle, off.x, off.y, beyond );
+			printf("pos=[%0.3f,%0.3f] lineOrig=[%0.3f,%0.3f], angle=%0.3f = off=[%0.3f,%0.3f], beyond=%0.3f\n",
+			       pos.x, pos.y, Dj.inp[1].params.lineOrig.x, Dj.inp[1].params.lineOrig.y,
+			       Dj.inp[1].params.angle, off.x, off.y, beyond );
 #endif
 			InfoMessage( _("Beyond end of 2nd track") );
 			goto errorReturn;
@@ -1150,34 +1269,35 @@ pos.x, pos.y, Dj.inp[1].params.lineOrig.x, Dj.inp[1].params.lineOrig.y, Dj.inp[1
 		Dj.inp_pos[0] = Dj.jRes.pos[0];
 		Dj.inp_pos[1] = Dj.jRes.pos[1];
 
-LOG( log_join, 3, (" -E   POS0=[%0.3f %0.3f] POS1=[%0.3f %0.3f]\n",
-					Dj.jRes.pos[0].x, Dj.jRes.pos[0].y,
-					Dj.jRes.pos[1].x, Dj.jRes.pos[1].y ) )
+		LOG( log_join, 3, (" -E   POS0=[%0.3f %0.3f] POS1=[%0.3f %0.3f]\n",
+		                   Dj.jRes.pos[0].x, Dj.jRes.pos[0].y,
+		                   Dj.jRes.pos[1].x, Dj.jRes.pos[1].y ) )
 
 		if ( Dj.jointD[0].x!=0.0 || Dj.jointD[1].x!=0.0 ) {
 
-/* Compute the transition-curve, hopefully twice is enough */
+			/* Compute the transition-curve, hopefully twice is enough */
 			a1 = Dj.inp[1].params.angle + (Dj.jointD[1].negate?-90.0:+90.0);
 			if ((!AdjustJoint( TRUE, a1, eR, normalAngle )) ||
-				(!AdjustJoint( TRUE, a1, eR, normalAngle )) )
+			    (!AdjustJoint( TRUE, a1, eR, normalAngle )) ) {
 				goto errorReturn;
-				/*return C_CONTINUE;*/
+			}
+			/*return C_CONTINUE;*/
 
 			if (logTable(log_join).level >= 3) {
 				Translate( &p1, Dj.jRes.pos[1], a1+180.0, Dj.jointD[1].x );
 				LogPrintf(" X0=%0.3f, P1=[%0.3f %0.3f]\n",
-						FindDistance( Dj.inp_pos[0], Dj.jRes.pos[0] ), p1.x, p1.y );
+				          FindDistance( Dj.inp_pos[0], Dj.jRes.pos[0] ), p1.x, p1.y );
 				LogPrintf(" E+   POS0=[%0.3f %0.3f]..[%0.3f %0.3f] POS1=[%0.3f %0.3f]..[%0.3f %0.3f]\n",
-						Dj.inp_pos[0].x, Dj.inp_pos[0].y,
-						Dj.jRes.pos[0].x, Dj.jRes.pos[0].y,
-						p1.x, p1.y, Dj.jRes.pos[1].x, Dj.jRes.pos[1].y );
+				          Dj.inp_pos[0].x, Dj.inp_pos[0].y,
+				          Dj.jRes.pos[0].x, Dj.jRes.pos[0].y,
+				          p1.x, p1.y, Dj.jRes.pos[1].x, Dj.jRes.pos[1].y );
 			}
 		}
 
 		switch ( Dj.inp[0].params.type ) {
 		case curveTypeStraight:
 			FindPos( &off, &beyond, Dj.inp_pos[0], Dj.inp[0].params.lineOrig,
-					 Dj.inp[0].params.angle, DIST_INF );
+			         Dj.inp[0].params.angle, DIST_INF );
 			if (beyond < 0.0) {
 				InfoMessage(_("Beyond end of 1st track"));
 				goto errorReturn;
@@ -1191,10 +1311,11 @@ LOG( log_join, 3, (" -E   POS0=[%0.3f %0.3f] POS1=[%0.3f %0.3f]\n",
 				d = DIST_INF;
 			} else {
 				a = FindAngle( Dj.inp[0].params.arcP, Dj.inp_pos[0] );
-				if (Dj.inp[0].params.ep == 0)
+				if (Dj.inp[0].params.ep == 0) {
 					a1 = NormalizeAngle( Dj.inp[0].params.arcA0+Dj.inp[0].params.arcA1-a );
-				else
+				} else {
 					a1 = NormalizeAngle( a-Dj.inp[0].params.arcA0 );
+				}
 				d = Dj.inp[0].params.arcR * a1 * 2.0*M_PI/360.0;
 			}
 			break;
@@ -1204,7 +1325,8 @@ LOG( log_join, 3, (" -E   POS0=[%0.3f %0.3f] POS1=[%0.3f %0.3f]\n",
 			InfoMessage( _("First Track Type not supported for non-Cornu Join") );
 			goto errorReturn;
 		default:
-			AbortProg( "cmdJoin - unknown type[0]" );
+			CHECKMSG( FALSE, ( "cmdJoin - unknown type[0] %d",
+			                   (int)(Dj.inp[0].params.type) ) );
 		}
 		d -= Dj.jointD[0].d0;
 		if ( d <= minLength ) {
@@ -1223,10 +1345,11 @@ LOG( log_join, 3, (" -E   POS0=[%0.3f %0.3f] POS1=[%0.3f %0.3f]\n",
 				d = DIST_INF;
 			} else {
 				a = FindAngle( Dj.inp[1].params.arcP, Dj.inp_pos[1] );
-				if (Dj.inp[1].params.ep == 0)
+				if (Dj.inp[1].params.ep == 0) {
 					a1 = NormalizeAngle( Dj.inp[1].params.arcA0+Dj.inp[1].params.arcA1-a );
-				else
+				} else {
 					a1 = NormalizeAngle( a-Dj.inp[1].params.arcA0 );
+				}
 				d = Dj.inp[1].params.arcR * a1 * 2.0*M_PI/360.0;
 			}
 			break;
@@ -1236,7 +1359,7 @@ LOG( log_join, 3, (" -E   POS0=[%0.3f %0.3f] POS1=[%0.3f %0.3f]\n",
 			InfoMessage( _("Second Track Type not supported for non-Cornu Join") );
 			goto errorReturn;
 		default:
-			AbortProg( "cmdJoin - unknown type[1]" );
+			CHECKMSG( FALSE, ( "cmdJoin - unknown type[1]", Dj.inp[1].params.type ) );
 		}
 		d -= Dj.jointD[1].d0;
 		if ( d <= minLength ) {
@@ -1261,35 +1384,42 @@ LOG( log_join, 3, (" -E   POS0=[%0.3f %0.3f] POS1=[%0.3f %0.3f]\n",
 			}
 		}
 
-/* Setup temp track */
+		/* Setup temp track */
 		for ( ep=0; ep<2; ep++ ) {
 			switch( Dj.inp[ep].params.type ) {
 			case curveTypeCurve:
-				tempSegs(tempSegs_da.cnt).type = SEG_CRVTRK;
-				tempSegs(tempSegs_da.cnt).u.c.center = Dj.inp[ep].params.arcP;
-				tempSegs(tempSegs_da.cnt).u.c.radius = Dj.inp[ep].params.arcR;
-				if (IsCurveCircle( Dj.inp[ep].trk ))
+				DYNARR_APPEND( trkSeg_t, tempSegs_da, 1 );
+				p = &DYNARR_LAST( trkSeg_t, tempSegs_da );
+				p->type = SEG_CRVTRK;
+				p->color = drawColorBlack;
+				p->u.c.center = Dj.inp[ep].params.arcP;
+				p->u.c.radius = Dj.inp[ep].params.arcR;
+				if (IsCurveCircle( Dj.inp[ep].trk )) {
 					break;
+				}
 				a = FindAngle( Dj.inp[ep].params.arcP, Dj.inp_pos[ep] );
 				a1 = NormalizeAngle( a-Dj.inp[ep].params.arcA0 );
-				if (a1 <= Dj.inp[ep].params.arcA1)
+				if (a1 <= Dj.inp[ep].params.arcA1) {
 					break;
+				}
 				if (Dj.inp[ep].params.ep == 0) {
-					tempSegs(tempSegs_da.cnt).u.c.a0 = a;
-					tempSegs(tempSegs_da.cnt).u.c.a1 = NormalizeAngle(Dj.inp[ep].params.arcA0-a);
+					p->u.c.a0 = a;
+					p->u.c.a1 = NormalizeAngle(Dj.inp[ep].params.arcA0-a);
 				} else {
-					tempSegs(tempSegs_da.cnt).u.c.a0 = Dj.inp[ep].params.arcA0+Dj.inp[ep].params.arcA1;
-					tempSegs(tempSegs_da.cnt).u.c.a1 = a1-Dj.inp[ep].params.arcA1;
+					p->u.c.a0 = Dj.inp[ep].params.arcA0
+					            +Dj.inp[ep].params.arcA1;
+					p->u.c.a1 = a1-Dj.inp[ep].params.arcA1;
 				}
-				tempSegs_da.cnt++;
 				break;
 			case curveTypeStraight:
 				if ( FindDistance( Dj.inp[ep].params.lineOrig, Dj.inp[ep].params.lineEnd ) <
-					 FindDistance( Dj.inp[ep].params.lineOrig, Dj.inp_pos[ep] ) ) {
-					tempSegs(tempSegs_da.cnt).type = SEG_STRTRK;
-					tempSegs(tempSegs_da.cnt).u.l.pos[0] = Dj.inp[ep].params.lineEnd;
-					tempSegs(tempSegs_da.cnt).u.l.pos[1] = Dj.inp_pos[ep];
-					tempSegs_da.cnt++;
+				     FindDistance( Dj.inp[ep].params.lineOrig, Dj.inp_pos[ep] ) ) {
+					DYNARR_APPEND( trkSeg_t, tempSegs_da, 1 );
+					p = &DYNARR_LAST( trkSeg_t, tempSegs_da );
+					p->type = SEG_STRTRK;
+					p->color = drawColorBlack;
+					p->u.l.pos[0] = Dj.inp[ep].params.lineEnd;
+					p->u.l.pos[1] = Dj.inp_pos[ep];
 				}
 				break;
 			default:
@@ -1299,46 +1429,48 @@ LOG( log_join, 3, (" -E   POS0=[%0.3f %0.3f] POS1=[%0.3f %0.3f]\n",
 
 		ok = TRUE;
 errorReturn:
-		if (!ok)
-			 tempSegs(tempSegs_da.cnt).color = drawColorRed;
+		DYNARR_APPEND( trkSeg_t, tempSegs_da, 1 );
+		p = &DYNARR_LAST( trkSeg_t, tempSegs_da );
+		p->color = ok ? drawColorBlack : drawColorRed;
 		switch( Dj.jRes.type ) {
 		case curveTypeCurve:
-			tempSegs(tempSegs_da.cnt).type = SEG_CRVTRK;
-			tempSegs(tempSegs_da.cnt).u.c.center = Dj.jRes.arcP;
-			tempSegs(tempSegs_da.cnt).u.c.radius = Dj.jRes.arcR;
-			tempSegs(tempSegs_da.cnt).u.c.a0 = Dj.jRes.arcA0;
-			tempSegs(tempSegs_da.cnt).u.c.a1 = Dj.jRes.arcA1;
-			tempSegs_da.cnt++;
+			p->type = SEG_CRVTRK;
+			p->u.c.center = Dj.jRes.arcP;
+			p->u.c.radius = Dj.jRes.arcR;
+			p->u.c.a0 = Dj.jRes.arcA0;
+			p->u.c.a1 = Dj.jRes.arcA1;
 			break;
 		case curveTypeStraight:
-			tempSegs(tempSegs_da.cnt).type = SEG_STRTRK;
-			tempSegs(tempSegs_da.cnt).u.l.pos[0] = Dj.jRes.pos[0];
-			tempSegs(tempSegs_da.cnt).u.l.pos[1] = Dj.jRes.pos[1];
-			tempSegs_da.cnt++;
+			p->type = SEG_STRTRK;
+			p->u.l.pos[0] = Dj.jRes.pos[0];
+			p->u.l.pos[1] = Dj.jRes.pos[1];
 			break;
 		case curveTypeNone:
-			tempSegs_da.cnt = 0;
+			DYNARR_RESET( trkSeg_t, tempSegs_da );
 			break;
 		default:
-			AbortProg( "Bad track type %d", Dj.jRes.type );
+			CHECKMSG( FALSE, ( "Bad track type %d", Dj.jRes.type ) );
 		}
-		if (!ok)
+		if (!ok) {
 			Dj.jRes.type = curveTypeNone;
+		}
 		return C_CONTINUE;
-
+		
 	case C_UP:
 		if (Dj.state == 0) {
-			if (easementVal<0 && Dj.cornuMode)
+			if (easementVal<0 && Dj.cornuMode) {
+				commandContext = I2VP(cornuJoinTrack);
 				return CmdCornu(action, pos);
-			else
+			} else {
 				return C_CONTINUE;
+			}
 		}
 		if (Dj.state == 1) {
 			InfoMessage( _("Select 2nd track") );
 			return C_CONTINUE;
 		}
 		tempSegs(0).color = drawColorBlack;
-		tempSegs_da.cnt = 0;
+		DYNARR_RESET( trkSeg_t, tempSegs_da );
 		if (Dj.jRes.type == curveTypeNone) {
 			Dj.state = 1;
 			InfoMessage( _("Select 2nd track") );
@@ -1352,7 +1484,7 @@ errorReturn:
 			break;
 		case curveTypeCurve:
 			trk = NewCurvedTrack( Dj.jRes.arcP, Dj.jRes.arcR,
-								  Dj.jRes.arcA0, Dj.jRes.arcA1, 0 );
+			                      Dj.jRes.arcA0, Dj.jRes.arcA1, 0 );
 			break;
 		case curveTypeNone:
 		case curveTypeBezier:
@@ -1372,24 +1504,27 @@ errorReturn:
 			wPrefSetFloat("misc", message, desired_radius);
 		}
 		if ( (!JoinTracks( Dj.inp[0].trk, Dj.inp[0].params.ep, Dj.inp_pos[0],
-					trk, ep, Dj.jRes.pos[0], &Dj.jointD[0] ) ) ||
-			 (!JoinTracks( Dj.inp[1].trk, Dj.inp[1].params.ep, Dj.inp_pos[1],
-					trk, 1-ep, Dj.jRes.pos[1], &Dj.jointD[1] ) ) )
+		                   trk, ep, Dj.jRes.pos[0], &Dj.jointD[0] ) ) ||
+		     (!JoinTracks( Dj.inp[1].trk, Dj.inp[1].params.ep, Dj.inp_pos[1],
+		                   trk, 1-ep, Dj.jRes.pos[1], &Dj.jointD[1] ) ) ) {
 			rc = C_ERROR;
+		}
 
 		UndoEnd();
 		DrawNewTrack( Dj.inp[0].trk );
 		DrawNewTrack( Dj.inp[1].trk );
 		DrawNewTrack( trk );
-		if (infoSubst)
+		if (infoSubst) {
 			InfoSubstituteControls(NULL, NULL);
+		}
 		infoSubst = FALSE;
 		return rc;
 
 	case C_CANCEL:
 		SetAllTrackSelect( FALSE );
-		if (infoSubst)
+		if (infoSubst) {
 			InfoSubstituteControls(NULL, NULL);
+		}
 		infoSubst = FALSE;
 		break;
 
@@ -1398,20 +1533,25 @@ errorReturn:
 		HighlightSelectedTracks(NULL, TRUE, TRUE);
 		if ( Dj.joinMoveState == 1 || Dj.state == 1 ) {
 			DrawFillCircle( &tempD, Dj.inp[0].pos, 0.10*mainD.scale, selectedColor );
-		} else if (easementVal<0 && Dj.joinMoveState == 0)
+		} else if (easementVal<0 && Dj.joinMoveState == 0) {
+			commandContext = I2VP(cornuJoinTrack);
 			return CmdCornu(action,pos);
-		if (Dj.anchors.cnt)
-				DrawSegs(&tempD, zero, 0.0, &(((trkSeg_t *)Dj.anchors.ptr)[0]), Dj.anchors.cnt,trackGauge,wDrawColorBlack);
-		DrawSegs( &tempD, zero, 0.0, &tempSegs(0), tempSegs_da.cnt, trackGauge, wDrawColorBlack );
+		}
+		DrawSegsDA(&tempD, NULL, zero, 0.0, &Dj.anchors, trackGauge, wDrawColorBlack,
+		           0);
+		DrawSegsDA( &tempD, NULL, zero, 0.0, &tempSegs_da, trackGauge, wDrawColorBlack,
+		            0 );
 		break;
 
 	case C_TEXT:
 	case C_OK:
 		SetAllTrackSelect( FALSE );
-		if (easementVal<0 && Dj.cornuMode)
+		if (easementVal<0 && Dj.cornuMode) {
 			return CmdCornu(action,pos);
-		if (infoSubst)
+		}
+		if (infoSubst) {
 			InfoSubstituteControls(NULL, NULL);
+		}
 		infoSubst = FALSE;
 
 	}
@@ -1427,14 +1567,18 @@ errorReturn:
  *
  */
 
-#include "bitmaps/join.xpm"
-#include "bitmaps/join-line.xpm"
+#include "bitmaps/join.xpm3"
+#include "bitmaps/join-line.xpm3"
 
 void InitCmdJoin( wMenu_p menu )
 {
 	ButtonGroupBegin( _("Join"), "cmdJoinSetCmd", _("Join") );
-	joinCmdInx = AddMenuButton( menu, CmdJoin, "cmdJoinTrack", _("Join Track"), wIconCreatePixMap(join_xpm[iconSize]), LEVEL0_50, IC_STICKY|IC_POPUP|IC_WANT_MOVE, ACCL_JOIN, NULL );
-	AddMenuButton( menu, CmdJoinLine, "cmdJoinLine", _("Join Lines"), wIconCreatePixMap(join_line_xpm[iconSize]), LEVEL0_50, IC_STICKY|IC_POPUP|IC_WANT_MOVE, ACCL_JOIN, NULL );
+	AddMenuButton( menu, CmdJoin, "cmdJoinTrack", _("Join Track"),
+	               wIconCreatePixMap(join_xpm3[iconSize]), LEVEL0_50,
+	               IC_STICKY|IC_POPUP|IC_WANT_MOVE, ACCL_JOIN, NULL );
+	AddMenuButton( menu, CmdJoinLine, "cmdJoinLine", _("Join Lines"),
+	               wIconCreatePixMap(join_line_xpm3[iconSize]), LEVEL0_50,
+	               IC_STICKY|IC_POPUP|IC_WANT_MOVE, ACCL_JOIN, NULL );
 	ButtonGroupEnd();
 	/** @logcmd @showrefby join=n cjoin.c Log Join Lines and Tracks command */
 	log_join = LogFindIndex( "join" );