--- a/README	Mon Aug 07 09:36:23 2006 -0400
+++ b/README	Mon Aug 07 10:39:15 2006 -0400
@@ -1,6 +1,6 @@
 VEFViewer is written by Dmitriy Morozov <morozov@cs.duke.edu>.
 
-It uses libQGLViewer, and therefore is licensed under GPL.
+It uses Qt4, libQGLViewer, and is licensed under GPL.
 
 To build (on Linux):
 qmake

--- a/VEFViewer.cpp	Mon Aug 07 09:36:23 2006 -0400
+++ b/VEFViewer.cpp	Mon Aug 07 10:39:15 2006 -0400
@@ -205,17 +205,26 @@
 }
 
 
+// QDisplayListLWI
+void QDisplayListLWI::draw() const
+{
+	if (!isVisible()) return;
+		
+	glColor3f(color_.redF(), color_.greenF(), color_.blueF());
+	glCallList(display_list_);
+}
+
 // QVertices
 void QVerticesLWI::draw() const
 {
 	if (!isVisible()) return;
-		
-	glColor3f(.5, .65, .65);
 
+	glColor3f(color_.redF(), color_.greenF(), color_.blueF());
 	if (!isSphere())
 		glCallList(display_list_);
 	else
 		glCallList(sphere_display_list_);
+	
 }
 void QVerticesLWI::drawWithNames(int offset) const
 {}
@@ -224,8 +233,8 @@
 void QVerticesLWI::highlight(int selected)
 {}
 
-QVerticesLWI::QVerticesLWI(const QString& fname, VEFViewer* v): 
-	isSphere_(false), viewer_(v)
+QVerticesLWI::QVerticesLWI(QString fname, VEFViewer* v): 
+	QDisplayListLWI(fname, QColor::fromRgbF(.5, .65, .65)), isSphere_(false), viewer_(v)
 {
 	filename_ = fname;
 	QFileInfo fi(filename_);
@@ -292,7 +301,7 @@
 	// Draw selected
 	if (highlighted_ >= 0)
 	{
-	   	glColor3f(.9, .4, 0);
+		glColor3f(color_.light(200).redF(), color_.light(200).greenF(), color_.light(200).blueF());
 		glBegin(GL_TRIANGLES);
 			const Triangle& t = triangles_[highlighted_];
 			glNormal3f(t.nx, t.ny, t.nz);
@@ -305,12 +314,12 @@
 	// Draw the object
 	if (!isWireframe())	
     {
-	    glColor3f(0., .4, .6);
+		glColor3f(color_.light(150).redF(), color_.light(150).greenF(), color_.light(150).blueF());
 		glCallList(display_list_);
     }
 	else
     {
-	    glColor3f(1., 0, 0);
+		glColor3f(color_.redF(), color_.greenF(), color_.blueF());
 		glCallList(wireframe_display_list_);
     }
 }
@@ -347,8 +356,8 @@
 	std::cout << "              " << t.x2 << " " << t.y2 << " " << t.z2 << ")" << std::endl;
 }
 
-QFacesLWI::QFacesLWI(const QString& fname, VEFViewer* v):
-	highlighted_(-1), isWireframe_(false), viewer_(v)
+QFacesLWI::QFacesLWI(QString fname, VEFViewer* v):
+	QDisplayListLWI(fname, QColor::fromRgbF(0,.4,.6)), highlighted_(-1), isWireframe_(false), viewer_(v)
 {
 	filename_ = fname;
 	QFileInfo fi(filename_);
@@ -449,13 +458,6 @@
 
 
 /* QEdges */
-void QEdgesLWI::draw() const
-{
-	if (!isVisible()) return;
-
-	glColor3f(.6, .2, .6);
-	glCallList(display_list_);
-}
 void QEdgesLWI::drawWithNames(int offset) const
 {}
 int QEdgesLWI::numElements() const
@@ -463,8 +465,8 @@
 void QEdgesLWI::highlight(int selected)
 {}
 
-QEdgesLWI::QEdgesLWI(const QString& fname, VEFViewer* v):
-	viewer_(v)
+QEdgesLWI::QEdgesLWI(QString fname, VEFViewer* v):
+	QDisplayListLWI(fname, QColor::fromRgbF(.6,.2,.6)), viewer_(v)
 {
 	filename_ = fname;
 	QFileInfo fi(filename_);

--- a/VEFViewer.h	Mon Aug 07 09:36:23 2006 -0400
+++ b/VEFViewer.h	Mon Aug 07 10:39:15 2006 -0400
@@ -5,6 +5,7 @@
 #include <QFileDialog>
 #include <QListWidgetItem>
 #include <QMenu>
+#include <QColorDialog>
 
 class VEFViewer: public QGLViewer
 {
@@ -47,13 +48,13 @@
 	Q_OBJECT
 
 	public:
-		QDisplayListLWI():
-			visible_(false)
+		QDisplayListLWI(QString name, QColor color):
+			QListWidgetItem(name), color_(color), visible_(false)
 		{ toggleVisible(); }
 		GLuint getDisplayList() const	{ return display_list_; }
 		~QDisplayListLWI()				{ destroy(); }
 
-		virtual void draw() const =0;
+		virtual void draw() const;
 		virtual void drawWithNames(int offset) const =0;
 		virtual int numElements() const =0;
 		virtual void highlight(int selected) =0;
@@ -65,6 +66,9 @@
 			connect(visible, SIGNAL(triggered()), this, SLOT(toggleVisible()));
 			visible->setCheckable(true);
 			visible->setChecked(isVisible());
+			
+			QAction* color = m.addAction("Pick color");
+			connect(color, SIGNAL(triggered()), this, SLOT(changeColor()));
 		}
 		
 		bool isVisible() const			{ return visible_; }
@@ -75,10 +79,13 @@
 		virtual void reload()				{ destroy(); init(); }
 		virtual void init() =0;
 		virtual void destroy()				{ glDeleteLists(display_list_, 1); }
+		void changeColor()					
+		{ QColor nw = QColorDialog::getColor(color_); if (nw.isValid()) color_ = nw; }
 
 	protected:
 		GLuint display_list_;
 		bool visible_;
+		QColor color_;
 
 	private:
 		void adjustFont()				{ QFont f; if (visible_) f.setBold(true); setFont(f); }
@@ -91,7 +98,7 @@
 	Q_OBJECT
 		
 	public:
-		QVerticesLWI(const QString& fname, VEFViewer* v);
+		QVerticesLWI(QString fname, VEFViewer* v);
 		virtual void draw() const;
 		virtual void drawWithNames(int offset) const;
 		virtual int numElements() const;
@@ -131,7 +138,7 @@
 	Q_OBJECT
 		
 	public:
-		QFacesLWI(const QString& fname, VEFViewer* v);
+		QFacesLWI(QString fname, VEFViewer* v);
 		virtual void draw() const;
 		virtual void drawWithNames(int offset) const;
 		virtual int numElements() const;
@@ -176,8 +183,7 @@
 class QEdgesLWI: public QDisplayListLWI
 {
 	public:
-		QEdgesLWI(const QString& fname, VEFViewer* v);
-		virtual void draw() const;
+		QEdgesLWI(QString fname, VEFViewer* v);
 		virtual void drawWithNames(int offset) const;
 		virtual int numElements() const;
 		virtual void highlight(int selected);