From 771113b26ca27707c96fdcd80d79a08e40884268 Mon Sep 17 00:00:00 2001
From: Shamus Hammons <jlhamm@acm.org>
Date: Mon, 17 Mar 2014 10:51:02 -0500
Subject: [PATCH] Fixed 'flip sides' handle to work on Dimension object.

---
 src/dimension.cpp      | 36 ++++++++++++++++++++++++------------
 src/drawlineaction.cpp |  8 ++++++--
 src/trimaction.h       |  4 ----
 3 files changed, 30 insertions(+), 18 deletions(-)

diff --git a/src/dimension.cpp b/src/dimension.cpp
index 675afaf..2d37eea 100644
--- a/src/dimension.cpp
+++ b/src/dimension.cpp
@@ -29,15 +29,6 @@ Dimension::Dimension(Vector p1, Vector p2, DimensionType dt/*= DTLinear*/, Objec
 	type = OTDimension;
 }
 
-#if 0
-// This is bad, p1 & p2 could be NULL, causing much consternation...
-Dimension::Dimension(Connection p1, Connection p2, DimensionType dt/*= DTLinear*/, Object * p/*= NULL*/):
-	dragging(false), draggingHandle1(false), draggingHandle2(false),
-	length(0), dimensionType(dt), size(0.25)//, point1(p1), point2(p2)
-{
-	type = OTDimension;
-}
-#endif
 
 Dimension::~Dimension()
 {
@@ -183,6 +174,7 @@ I believe they are pixels.
 // need to make another handle drawing function in Painter, instead of this
 	if (hitLine)
 	{
+#if 0
 		Point p9 = ((position + endpoint) / 2.0) + (orthogonal * 14.0)
 		 + (unit * 7.0);
 
@@ -194,6 +186,13 @@ I believe they are pixels.
 		painter->DrawLine(p11, p12);
 		painter->DrawLine(p12, p13);
 		painter->DrawLine(p13, p10);
+#else
+		if (hitFlipSwitch)
+			painter->SetPen(QPen(Qt::magenta, 2.0, Qt::DotLine));
+
+		Point hp1 = (p1 + p2) / 2.0;
+		painter->DrawHandle(hp1);
+#endif
 	}
 }
 
@@ -237,6 +236,13 @@ I believe they are pixels.
 		draggingHandle2 = true;
 		return true;
 	}
+	else if (hitFlipSwitch)
+	{
+		FlipSides();
+		hitFlipSwitch = hitLine = false;
+//		state = OSInactive;
+//		return true;
+	}
 
 	state = OSInactive;
 	return false;
@@ -327,7 +333,8 @@ about keeping track of old states...
 
 /*virtual*/ bool Dimension::HitTest(Point point)
 {
-	Vector orthogonal = Vector::Normal(position, endpoint);
+//	Vector orthogonal = Vector::Normal(position, endpoint);
+	Vector orthogonal = Vector::Normal(linePt1, linePt2);
 	// Get our line parallel to our points
 #if 0
 	Point p1 = position + (orthogonal * 10.0 * size);
@@ -346,6 +353,7 @@ about keeping track of old states...
 //	double t = Geometry::ParameterOfLineAndPoint(position, endpoint, point);
 	double t = Geometry::ParameterOfLineAndPoint(p1, p2, point);
 	double distance;
+	Point hFSPoint = Point((p1 + p2) / 2.0, point);
 
 	if (t < 0.0)
 		distance = v1.Magnitude();
@@ -364,7 +372,10 @@ about keeping track of old states...
 	else if ((distance * Painter::zoom) < 5.0)
 		hitLine = true;
 
-	return (hitPoint1 || hitPoint2 || hitLine ? true : false);
+	if ((hFSPoint.Magnitude() * Painter::zoom) < 8.0)
+		hitFlipSwitch = true;
+
+	return (hitPoint1 || hitPoint2 || hitLine || hitFlipSwitch ? true : false);
 }
 
 
@@ -373,12 +384,13 @@ void Dimension::SaveHitState(void)
 	oldHitPoint1 = hitPoint1;
 	oldHitPoint2 = hitPoint2;
 	oldHitLine = hitLine;
+	oldHitFlipSwitch = hitFlipSwitch;
 }
 
 
 bool Dimension::HitStateChanged(void)
 {
-	if ((hitPoint1 != oldHitPoint1) || (hitPoint2 != oldHitPoint2) || (hitLine != oldHitLine))
+	if ((hitPoint1 != oldHitPoint1) || (hitPoint2 != oldHitPoint2) || (hitLine != oldHitLine) || (hitFlipSwitch != oldHitFlipSwitch))
 		return true;
 
 	return false;
diff --git a/src/drawlineaction.cpp b/src/drawlineaction.cpp
index 5490e98..3dc9f7d 100644
--- a/src/drawlineaction.cpp
+++ b/src/drawlineaction.cpp
@@ -14,6 +14,7 @@
 
 #include "drawlineaction.h"
 #include "line.h"
+#include "mathconstants.h"
 #include "painter.h"
 
 
@@ -46,8 +47,11 @@ DrawLineAction::~DrawLineAction()
 		painter->DrawLine(p1, p2);
 		painter->DrawHandle(p2);
 
-		QString text = tr("Length: %1 in.");
-		text = text.arg(Vector::Magnitude(p1, p2));
+		Vector v(p1, p2);
+		double absAngle = v.Angle() * RADIANS_TO_DEGREES;
+		double absLength = v.Magnitude();
+		QString text = tr("Length: %1 in.\n") + QChar(0x2221) + tr(": %2");
+		text = text.arg(absLength).arg(absAngle);
 		painter->DrawInformativeText(text);
 	}
 }
diff --git a/src/trimaction.h b/src/trimaction.h
index 78f4425..67e7c85 100644
--- a/src/trimaction.h
+++ b/src/trimaction.h
@@ -21,11 +21,7 @@ class TrimAction: public Action
 
 	private:
 		int state;
-//		Line * line;
 		Vector p1, p2, p1Save;
-//		bool shiftWasPressedOnNextPoint;
-//		bool ctrlWasPressed;
-//		Container * mirror;
 		double t, u;
 		Container * doc;
 };
-- 
2.37.2