shorter lines, less qDebug(), Node::calculateBiggestAngle() works

.gitignore

@@ -5,3 +5,4 @@ Makefile
 moc_*
 qrc_*
 qtmindmap
+*.pro.user

algorithmtests.cpp

@@ -0,0 +1,84 @@
+#define private public
+
+#include "algorithmtests.h"
+
+#include <QDebug>
+
+#include "node.h"
+
+#include "edge.h"
+
+static const double Pi = 3.14159265358979323846264338327950288419717;
+
+AlgorithmTests::AlgorithmTests(QObject *parent) :
+    QObject(parent)
+{
+}
+
+/** edge->paint() calculates the m_angle of th edge,
+  * but it is skipped so it must be done manually
+  */
+double angleOfPoints(const QPointF &a, const QPointF &b)
+{
+    QLineF line(a, b);
+    double angle = ::acos(line.dx() / line.length());
+    if (line.dy() >= 0)
+        angle = 2 * Pi - angle;
+
+    return angle;
+}
+
+void AlgorithmTests::calculateBiggestAngle()
+{
+    // no edges
+    Node *node1 = new Node();
+    node1->setPos(0,0);
+    QCOMPARE(node1->calculateBiggestAngle(), Pi * 1.5);
+
+    // one egde
+    // 1
+    Node *node2 = new Node();
+    node2->setPos(30,0);
+
+    Edge *edge1 = new Edge(node1, node2);
+    edge1->m_angle = angleOfPoints(node1->pos(), node2->pos());
+
+    QCOMPARE(edge1->getAngle(), 2 * Pi);
+    QCOMPARE(node1->calculateBiggestAngle(), - Pi);
+    QCOMPARE(node2->calculateBiggestAngle(), double(0));
+
+    // 2
+    node2->setPos(30,30);
+    edge1->m_angle = angleOfPoints(node1->pos(), node2->pos()); // 45
+
+    QCOMPARE(edge1->getAngle(), 1.75 * Pi);
+    QCOMPARE(node1->calculateBiggestAngle(), - 0.75 * Pi);
+    QCOMPARE(node2->calculateBiggestAngle(), 0.25 * Pi);
+
+
+    // more edges
+    node2->setPos(30,0);
+    edge1->m_angle = angleOfPoints(node1->pos(), node2->pos());
+
+    Node *node3 = new Node();
+    node3->setPos(-30,0);
+    Edge *edge2 = new Edge(node1, node3);
+    edge2->m_angle = angleOfPoints(node1->pos(), node3->pos());
+
+    Node *node4 = new Node();
+    node4->setPos(0, -30);
+    Edge *edge3 = new Edge(node1, node4);
+    edge3->m_angle = angleOfPoints(node1->pos(), node4->pos());
+
+    QCOMPARE(edge1->getAngle(), 2 * Pi);
+    QCOMPARE(edge2->getAngle(), Pi);
+    QCOMPARE(edge3->getAngle(), 0.5 * Pi);
+    QCOMPARE(node1->calculateBiggestAngle(), 0.5 * Pi);
+
+    delete node1;
+    delete node2;
+    delete node3;
+}
+
+
+QTEST_MAIN(AlgorithmTests)

algorithmtests.h

@@ -0,0 +1,18 @@
+#ifndef ALGORITHMTESTS_H
+#define ALGORITHMTESTS_H
+
+#include <QtTest/QtTest>
+
+class AlgorithmTests : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit AlgorithmTests(QObject *parent = 0);
+
+private slots:
+    void calculateBiggestAngle();
+
+};
+
+#endif // ALGORITHMTESTS_H

argumentparser.cpp

@@ -3,7 +3,6 @@
 #include <QApplication>
 #include <QStringList>
 #include <QFileInfo>
-#include <QDebug>
 
 #include <iostream>
 
@@ -13,30 +12,31 @@ ArgumentParser::ArgumentParser(QObject *parent) :
     m_isShowMinimized(false),
     m_filePath()
 {
-    qDebug() << __PRETTY_FUNCTION__;
 }
 
 
 void ArgumentParser::printUsage()
 {
-    qDebug() << __PRETTY_FUNCTION__;
+    std::cout << tr("Usage: ").toStdString() << "qtmindmap [OPTION][FILE]"
-
+              << std::endl
-    std::cout << tr("Usage: ").toStdString() << "qtmindmap [OPTION][FILE]" << std::endl
               << tr("Mindmap program in QT").toStdString() << std::endl
               << std::endl
               << tr("Options:").toStdString() << std::endl
-              << "-h,  --help\t\t" << tr("Prints this help.").toStdString() << std::endl
+              << "-h,  --help\t\t" << tr("Prints this help.").toStdString()
-              << "-t,  --tray\t\t" << tr("Starts application in system tray.").toStdString() << std::endl
+              << std::endl
-              << "-s,  --show-minimized\t" << tr("Hide main window, just show systray icon.").toStdString() << std::endl
+              << "-t,  --tray\t\t"
+              << tr("Starts application in system tray.").toStdString()
               << std::endl
-              << tr("Report bugs to: ").toStdString() << "denes.matetelki@gmail.com" << std::endl;
+              << "-s,  --show-minimized\t"
+              << tr("Hide main window, just show systray icon.").toStdString()
+              << std::endl << std::endl
+              << tr("Report bugs to: ").toStdString()
+              << "denes.matetelki@gmail.com" << std::endl;
 }
 
 
 bool ArgumentParser::parseCmdLineArgs(bool &successful)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     QStringList cmdlineArgs = QCoreApplication::arguments();
     cmdlineArgs.removeFirst();
 
@@ -49,20 +49,26 @@ bool ArgumentParser::parseCmdLineArgs(bool &successful)
     }
 
     QRegExp tray("^-(t|-tray)$");
-    if (!cmdlineArgs.filter(tray).isEmpty()) m_isSystemTray = true;
+    if (!cmdlineArgs.filter(tray).isEmpty())
+        m_isSystemTray = true;
 
     QRegExp minimized("^-(s|-show-minimized)$");
-    if (!cmdlineArgs.filter(minimized).isEmpty()) m_isShowMinimized = true;
+    if (!cmdlineArgs.filter(minimized).isEmpty())
+        m_isShowMinimized = true;
 
     /// @note It is an error? Shall it be handled?
     // if (isSystemTray && isShowMinimized) return false;
 
     QRegExp all("^-(t|-tray|h|-help|s|-show-minimized)$");
     QStringList others;
-    foreach (QString arg, cmdlineArgs) if (all.indexIn(arg)==-1) others.append(arg);
+    foreach (QString arg, cmdlineArgs)
+        if (all.indexIn(arg)==-1)
+            others.append(arg);
+
     if (others.size() > 1)
     {
-        std::cerr << tr("Unkown options: ").toStdString() << others.join(" ").toStdString() << std::endl;
+        std::cerr << tr("Unkown options: ").toStdString()
+                  << others.join(" ").toStdString() << std::endl;
         printUsage();
         successful = false;
         return false;
@@ -81,25 +87,33 @@ bool ArgumentParser::parseCmdLineArgs(bool &successful)
         QFileInfo fileInfo(m_filePath);
         if (!fileInfo.exists())
         {
-            std::cerr << tr("File: ").toStdString() << m_filePath.toStdString() << tr(" does not exists.").toStdString() << std::endl;
+            std::cerr << tr("File: ").toStdString() <<
+                         m_filePath.toStdString() <<
+                         tr(" does not exists.").toStdString() << std::endl;
             successful = false;
             return false;
         }
         if (!fileInfo.isFile())
         {
-            std::cerr << tr("File: ").toStdString() <<  m_filePath.toStdString() << tr(" is not a file.").toStdString() << std::endl;
+            std::cerr << tr("File: ").toStdString() <<
+                         m_filePath.toStdString() <<
+                         tr(" is not a file.").toStdString() << std::endl;
             successful = false;
             return false;
         }
         if (!fileInfo.isReadable())
         {
-            std::cerr << tr("File: ").toStdString() <<  m_filePath.toStdString() << tr(" is not readable.").toStdString() << std::endl;
+            std::cerr << tr("File: ").toStdString() <<
+                         m_filePath.toStdString() <<
+                         tr(" is not readable.").toStdString() << std::endl;
             successful = false;
             return false;
         }
         if (!fileInfo.isWritable())
         {
-            std::cout << tr("File: ").toStdString() <<  m_filePath.toStdString() << tr(" is not writeable.").toStdString() << std::endl;
+            std::cout << tr("File: ").toStdString() <<
+                         m_filePath.toStdString() <<
+                         tr(" is not writeable.").toStdString() << std::endl;
         }
     }
     return true;

argumentparser.h

@@ -12,7 +12,7 @@ public:
     explicit ArgumentParser(QObject *parent = 0);
 
     /***
-      * @param successful is true is the program needs to stop but its not an error.
+      * @param successful is true if the program needs to stop but its not error
       * @return true is program can continue
       */
     bool parseCmdLineArgs(bool &successful);

edge.cpp

@@ -11,7 +11,8 @@ static const double Pi = 3.14159265358979323846264338327950288419717;
 static double TwoPi = 2.0 * Pi;
 
 Edge::Edge(Node *sourceNode, Node *destNode)
-    : m_arrowSize(7)
+    : m_arrowSize(7),
+      m_angle(-1)
 {
     setAcceptedMouseButtons(0);
     m_sourceNode = sourceNode;
@@ -102,6 +103,10 @@ void Edge::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
 
     QLineF line(m_sourcePoint, m_destPoint);
 
+    m_angle = ::acos(line.dx() / line.length());
+    if (line.dy() >= 0)
+        m_angle = TwoPi - m_angle;
+
     if (sourceNode()->collidesWithItem(destNode()))
         return;
 
@@ -113,12 +118,6 @@ void Edge::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
         return;
 
     // Draw the arrows
-    m_angle = ::acos(line.dx() / line.length());
-    if (line.dy() >= 0)
-        m_angle = TwoPi - m_angle;
-
-    qDebug() << m_angle;
-
     QPointF destArrowP1 = m_destPoint + QPointF(sin(m_angle - Pi / 3) * m_arrowSize,
                                               cos(m_angle - Pi / 3) * m_arrowSize);
     QPointF destArrowP2 = m_destPoint + QPointF(sin(m_angle - Pi + Pi / 3) * m_arrowSize,
@@ -130,9 +129,5 @@ void Edge::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
 
 double Edge::getAngle() const
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
-    qDebug() << m_angle;
-
     return m_angle;
 }

edge.h

@@ -21,7 +21,8 @@ public:
 protected:
 
     QRectF boundingRect() const;
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+               QWidget *widget);
 
 private:
 

graphwidget.cpp

@@ -17,8 +17,6 @@ GraphWidget::GraphWidget(QWidget *parent) :
     m_showingNodeNumbers(false),
     m_followNode(0)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     m_scene = new QGraphicsScene(this);
     m_scene->setItemIndexMethod(QGraphicsScene::NoIndex);
     m_scene->setSceneRect(-400, -400, 800, 800);
@@ -127,9 +125,6 @@ QGraphicsScene *GraphWidget::getScene()
 
 void GraphWidget::keyPressEvent(QKeyEvent *event)
  {
-    qDebug() << __PRETTY_FUNCTION__;
-    qDebug() << event->key();
-
      switch (event->key()) {
      case Qt::Key_Up:
          if (m_activeNode)
@@ -224,8 +219,6 @@ void GraphWidget::keyPressEvent(QKeyEvent *event)
      case Qt::Key_Enter:
          if (m_followNode && m_showingNodeNumbers)
          {
-             qDebug() << m_activeNode;
-             qDebug() << m_followNode;
              showingAllNodeNumbers(false);
              if (m_activeNode)
                 m_activeNode->setActive(false);
@@ -289,7 +282,8 @@ void GraphWidget::drawBackground(QPainter *painter, const QRectF &rect)
 
 void GraphWidget::scaleView(qreal scaleFactor)
 {
-    qreal factor = transform().scale(scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width();
+    qreal factor = transform().scale(scaleFactor, scaleFactor).
+            mapRect(QRectF(0, 0, 1, 1)).width();
     if (factor < 0.2 || factor > 10) return;
 
     scale(scaleFactor, scaleFactor);
@@ -297,8 +291,6 @@ void GraphWidget::scaleView(qreal scaleFactor)
 
 void GraphWidget::setActiveNode(Node *node)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     if (m_activeNode!=0)
         m_activeNode->setActive(false);
 
@@ -308,26 +300,21 @@ void GraphWidget::setActiveNode(Node *node)
 
 void GraphWidget::insertNode()
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     double angle(m_activeNode->calculateBiggestAngle());
 
-    qreal length(100);
+    qDebug() << "got angle: " << angle;
 
-    qDebug() << "angle: ";
+    qreal length(100);
-    qDebug() << angle;
 
     QPointF pos(length * cos(angle), length * sin(angle));
 
-
-    qDebug() << pos;
-
     Node *node = new Node(this);
     node->setHtml(QString("new node"));
     m_scene->addItem(node);
-    node->setPos(m_activeNode->pos() +
+    node->setPos(m_activeNode->sceneBoundingRect().center() +
-//                 m_activeNode->boundingRect().center() +
+                 pos -
-                 pos);
+                 node->boundingRect().center()
+                 );
     m_nodeList.append(node);
 
     m_scene->addItem(new Edge(m_activeNode, node));
@@ -336,15 +323,18 @@ void GraphWidget::insertNode()
 void GraphWidget::showingAllNodeNumbers(const bool &show)
 {
     int i =0;
-    for (QList<Node *>::const_iterator it = m_nodeList.begin(); it != m_nodeList.end(); it++, i++)
+    for (QList<Node *>::const_iterator it = m_nodeList.begin();
+         it != m_nodeList.end(); it++, i++)
         dynamic_cast<Node*>(*it)->showNumber(i,show);
 }
 
-void GraphWidget::showingNodeNumbersBeginWithNumber(const int &number, const bool &show)
+void GraphWidget::showingNodeNumbersBeginWithNumber(const int &number,
+                                                    const bool &show)
 {
     int i(0);
     int hit(0);
-    for (QList<Node *>::const_iterator it = m_nodeList.begin(); it != m_nodeList.end(); it++, i++)
+    for (QList<Node *>::const_iterator it = m_nodeList.begin();
+         it != m_nodeList.end(); it++, i++)
     {
         if (i == number)
         {

graphwidget.h

@@ -31,7 +31,8 @@ protected:
 private:
 
     void showingAllNodeNumbers(const bool &show = true);
-    void showingNodeNumbersBeginWithNumber(const int &number, const bool &show = true);
+    void showingNodeNumbersBeginWithNumber(const int &number,
+                                           const bool &show = true);
     bool numberStartsWithNumber(const int &number, const int &prefix);
     qreal calculateBiggestAngle(Node *node);
 

main.cpp

@@ -2,7 +2,6 @@
 #include <iostream> // cout
 
 #include <QtGui>
-#include <QDebug>
 #include <QRegExp>
 #include <QTranslator>
 
@@ -25,7 +24,9 @@ int main(int argc, char *argv[])
     QTranslator translator;
     if (!translator.load(QString("qtmindmap_") + locale))
     {
-        std::cerr << "No translation file for locale: " << locale.toStdString() << std::endl;
+        std::cerr << "No translation file for locale: "
+                  << locale.toStdString()
+                  << std::endl;
     }
     else
     {

mainwindow.cpp

@@ -35,7 +35,6 @@ MainWindow::MainWindow(QWidget *parent) :
     m_ui(new Ui::MainWindow),
     m_aboutDialog(0)
 {
-    qDebug() << __PRETTY_FUNCTION__;
     m_ui->setupUi(this);
     connect(m_ui->actionNew, SIGNAL(activated()), this, SLOT(klakk()));
     connect(m_ui->actionOpen, SIGNAL(activated()), this, SLOT(klakk()));
@@ -53,7 +52,6 @@ MainWindow::MainWindow(QWidget *parent) :
 
 MainWindow::~MainWindow()
 {
-    qDebug() << __PRETTY_FUNCTION__;
     delete m_ui;
     if (m_aboutDialog) delete m_aboutDialog;
 }
@@ -65,8 +63,6 @@ void MainWindow::klakk()
 
 void MainWindow::exportScene()
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     QFileDialog dialog(this,
                        tr("Export MindMap to image"),
                        "/home/cs0rbagomba",
@@ -105,8 +101,6 @@ void MainWindow::exportScene()
 
 void MainWindow::about()
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     setDisabled(true);
     if (m_aboutDialog == 0) m_aboutDialog = new AboutDialog(this);
     m_aboutDialog->setEnabled(true); // children inherits enabled status
@@ -115,10 +109,7 @@ void MainWindow::about()
 
 void MainWindow::aboutDestroyed()
 {
-    qDebug() << __PRETTY_FUNCTION__;
-    qDebug() << m_aboutDialog;
     setEnabled(true);
-
 }
 
 QStatusBar * MainWindow::getStatusBar()

node.cpp

@@ -14,11 +14,9 @@ Node::Node(GraphWidget *parent) :
     m_hasBorder(true),
     m_numberIsSpecial(false)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     setFlag(ItemIsMovable);
     setFlag(ItemSendsGeometryChanges);
-    setTextInteractionFlags(Qt::TextBrowserInteraction);
+//    setTextInteractionFlags(Qt::TextBrowserInteraction);
 //    setTextInteractionFlags(Qt::LinksAccessibleByMouse | Qt::LinksAccessibleByKeyboard);
  
     setCacheMode(DeviceCoordinateCache);
@@ -33,34 +31,30 @@ Node::Node(GraphWidget *parent) :
 
 Node::~Node()
 {
-    qDebug() << __PRETTY_FUNCTION__;
     foreach (EdgeElement element, m_edgeList) delete element.edge;
 }
 
 void Node::addEdge(Edge *edge, bool startsFromThisNode)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     m_edgeList.push_back(EdgeElement(edge, startsFromThisNode));
     edge->adjust();
 }
 
 void Node::removeEdge(Edge *edge)
 {
-    qDebug() << __PRETTY_FUNCTION__;
+    for(QList<EdgeElement>::iterator it = m_edgeList.begin();
-
+        it != m_edgeList.end(); it++)
-    for(QList<EdgeElement>::iterator it = m_edgeList.begin(); it != m_edgeList.end(); it++)
+    {
         if (it->edge == edge)
         {
             m_edgeList.erase(it);
             return;
         }
+    }
 }
 
 QVariant Node::itemChange(GraphicsItemChange change, const QVariant &value)
 {
-//    qDebug() << __PRETTY_FUNCTION__;
-
     switch (change) {
 
     case ItemPositionChange:
@@ -95,8 +89,6 @@ QVariant Node::itemChange(GraphicsItemChange change, const QVariant &value)
 
 void Node::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *w)
 {
-//    qDebug() << __PRETTY_FUNCTION__;
-
     if (m_number != -1)
     {
         painter->setBackground(m_numberIsSpecial ? Qt::green : Qt::yellow);
@@ -117,14 +109,13 @@ void Node::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWid
         painter->setPen(Qt::white);
         painter->setBackground(Qt::red);
         painter->setBackgroundMode(Qt::OpaqueMode);
-        painter->drawText(boundingRect().topLeft()+QPointF(0,11), QString("%1").arg(m_number));
+        painter->drawText(boundingRect().topLeft()+QPointF(0,11),
+                          QString("%1").arg(m_number));
     }
 }
 
 void Node::setActive(const bool &active)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     m_isActive = active;
     update();
 }
@@ -133,8 +124,6 @@ void Node::setActive(const bool &active)
 /// @note who shall set active: press or release?
 void Node::mousePressEvent(QGraphicsSceneMouseEvent *event)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     m_graph->setActiveNode(this);
 
     QGraphicsItem::mousePressEvent(event);
@@ -142,8 +131,6 @@ void Node::mousePressEvent(QGraphicsSceneMouseEvent *event)
 
 void Node::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     m_graph->insertNode();
 
     QGraphicsItem::mouseDoubleClickEvent(event);
@@ -151,22 +138,18 @@ void Node::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
 
 void Node::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     QGraphicsItem::mouseReleaseEvent(event);
 }
 
 void Node::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
 {
-//    qDebug() << __PRETTY_FUNCTION__;
-
     QGraphicsItem::mouseMoveEvent(event);
 }
 
-void Node::showNumber(const int &number, const bool& show, const bool &numberIsSpecial)
+void Node::showNumber(const int &number,
+                      const bool& show,
+                      const bool &numberIsSpecial)
 {
-//    qDebug() << __PRETTY_FUNCTION__;
-
     m_number = show ? number : -1;
     m_numberIsSpecial = numberIsSpecial;
     update();
@@ -180,8 +163,6 @@ void Node::setBorder(const bool &hasBorder)
 
 double Node::calculateBiggestAngle()
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     if (m_edgeList.empty())
         return 1.5 * Pi;
 
@@ -198,30 +179,23 @@ double Node::calculateBiggestAngle()
     }
 
     QList<double> tmp;
-    for(QList<EdgeElement>::iterator it = m_edgeList.begin(); it != m_edgeList.end(); it++)
+    for(QList<EdgeElement>::iterator it = m_edgeList.begin();
-    {
+        it != m_edgeList.end(); it++)
-        if (it->startsFromThisNode)
-        {
-            tmp.push_back(Pi - it->edge->getAngle());
-        }
-        else
     {
-            tmp.push_back(2 * Pi - it->edge->getAngle());
+        tmp.push_back(it->startsFromThisNode ?
-        }
+                          it->edge->getAngle() :
+                          doubleModulo(Pi + it->edge->getAngle(), 2 * Pi));
     }
 
     qSort(tmp.begin(), tmp.end());
 
-    qDebug() << tmp;
+    double prev(tmp.first());
-
-    double prev(tmp.last());
     double max_prev(tmp.last());
-    double max(0);
+    double max(2 * Pi - tmp.last() + tmp.first());
 
-    /// @bug algorith is baaad
+    for(QList<double>::const_iterator it = ++tmp.begin(); it!=tmp.end(); it++)
-    for(QList<double>::const_iterator it = tmp.begin(); it!=tmp.end(); it++)
     {
-        if (abs(*it - prev) > abs(max) )
+        if (*it - prev > max )
         {
             max = *it - prev;
             max_prev = prev;
@@ -229,10 +203,7 @@ double Node::calculateBiggestAngle()
         prev = *it;
     }
 
-    qDebug() << max;
+    return 2 * Pi - doubleModulo(max_prev + max / 2, 2 * Pi);
-    qDebug() << max_prev;
-
-    return max_prev + max / 2 ;
 }
 
 void Node::linkActivated(const QString &link)
@@ -241,3 +212,8 @@ void Node::linkActivated(const QString &link)
 
 	qDebug() << link;
 }
+
+double Node::doubleModulo(const double &devided, const double &devisor)
+{
+    return devided - static_cast<double>(devisor * static_cast<int>(devided / devisor));
+}

node.h

@@ -17,15 +17,16 @@ public:
 
     void addEdge(Edge *edge, bool startsFromThisNode);
     void removeEdge(Edge *edge);
-//    QList<Edge *> edges() const;
     void setBorder(const bool &hasBorder);
     void setActive(const bool &active = true);
-    void showNumber(const int &number, const bool& show = true, const bool &numberIsSpecial = false);
+    void showNumber(const int &number, const bool& show = true,
+                    const bool &numberIsSpecial = false);
     double calculateBiggestAngle();
 
 protected:
 
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+               QWidget *widget);
     QVariant itemChange(GraphicsItemChange change, const QVariant &value);
     void mousePressEvent(QGraphicsSceneMouseEvent *event);
     void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
@@ -35,25 +36,18 @@ protected:
 
 private:
 
+    double doubleModulo(const double &devided, const double &devisor);
+
     struct EdgeElement
     {
         Edge *edge;
         bool startsFromThisNode;
         EdgeElement(Edge *e, bool s) : edge(e), startsFromThisNode(s) {}
     };
-//    class EdgeList : public QList<EdgeElement>
-//    {
-//    public:
-//        int compareItems(QCollection::Item a, QCollection::Item b)
-//        {
-//            return (EdgeElement)a.edge = (EdgeElement)b.edge;
-//        }
-//    };
 
     QList<EdgeElement> m_edgeList;
     GraphWidget *m_graph;
     bool m_isActive;
-//    Edge *m_activeEdge;
     int m_number;
     bool m_hasBorder;
     bool m_numberIsSpecial;

qtmindmap.pro.user

@@ -1,244 +0,0 @@
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qtmindmap_test.pro

@@ -0,0 +1,26 @@
+QT       += core gui svg
+
+CONFIG += qtestlib
+
+TARGET = qtmindmap_test
+
+SOURCES += mainwindow.cpp \
+    aboutdialog.cpp \
+    graphwidget.cpp \
+    node.cpp \
+    edge.cpp \
+    systemtray.cpp \
+    argumentparser.cpp \
+    algorithmtests.cpp
+
+HEADERS  += mainwindow.h \
+    aboutdialog.h \
+    graphwidget.h \
+    node.h \
+    edge.h \
+    systemtray.h \
+    argumentparser.h \
+    algorithmtests.h
+
+FORMS    += mainwindow.ui \
+    aboutdialog.ui

systemtray.cpp

@@ -1,26 +1,26 @@
 #include "systemtray.h"
 
 #include <QApplication>
-#include <QDebug>
-
 
 void SystemTray::setup()
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     m_systemTrayIcon = new QSystemTrayIcon(0);
 
     m_minimizeAction = new QAction(tr("Mi&nimize"), m_systemTrayIcon);
-    connect(m_minimizeAction, SIGNAL(triggered()), m_mainWindow, SLOT(hide()));
+    connect(m_minimizeAction, SIGNAL(triggered()), m_mainWindow,
+            SLOT(hide()));
 
     m_maximizeAction = new QAction(tr("Ma&ximize"), m_systemTrayIcon);
-    connect(m_maximizeAction, SIGNAL(triggered()), m_mainWindow, SLOT(showMaximized()));
+    connect(m_maximizeAction, SIGNAL(triggered()), m_mainWindow,
+            SLOT(showMaximized()));
 
     m_restoreAction = new QAction(tr("&Restore"), m_systemTrayIcon);
-    connect(m_restoreAction, SIGNAL(triggered()), m_mainWindow, SLOT(showNormal()));
+    connect(m_restoreAction, SIGNAL(triggered()), m_mainWindow,
+            SLOT(showNormal()));
 
     m_quitAction = new QAction(tr("&Quit"), m_systemTrayIcon);
-    connect(m_quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
+    connect(m_quitAction, SIGNAL(triggered()), qApp,
+            SLOT(quit()));
 
     m_trayIconMenu = new QMenu(this);
     m_trayIconMenu->addAction(m_minimizeAction);
@@ -39,13 +39,10 @@ SystemTray::SystemTray(MainWindow *mainWindow, QWidget *parent) :
     QWidget(parent),
     m_mainWindow(mainWindow)
 {
-    qDebug() << __PRETTY_FUNCTION__;
 }
 
 
 void SystemTray::show()
 {
-    qDebug() << __PRETTY_FUNCTION__;
-
     m_systemTrayIcon->show();
 }