slider fix

QTProject/mainwindow.cpp

@@ -47,7 +47,7 @@ MainWindow::MainWindow(QWidget *parent) :
     subdivSlider->setSingleStep(1);
 
     connect(subdivSlider, SIGNAL(valueChanged(int)),
-            m_centralWidget, SLOT(subdivide(int)));
+            this, SLOT(sliderfix(int)));
     toolBar->addWidget(subdivSlider);
 
 
@@ -56,6 +56,16 @@ MainWindow::MainWindow(QWidget *parent) :
     //  showMaximized();
 }
 
+ void MainWindow::sliderfix(int pos){
+    int move = pos -oldSliderpos;
+    move >0 ? move = 1 : move = -1;
+    int newPos =  oldSliderpos+move;
+  //  qDebug()<<"SliderPos"<<oldSliderpos<<move<<newPos;
+     m_centralWidget->subdivide(newPos);
+     subdivSlider->setSliderPosition(newPos);
+     oldSliderpos = newPos;
+ }
+
 MainWindow::~MainWindow()
 {
 }

QTProject/mainwindow.h

@@ -19,7 +19,11 @@ public:
     explicit MainWindow(QWidget *parent = 0);
     ~MainWindow();
 
+public slots:
+    void sliderfix(int pos);
+
 private:
+    int oldSliderpos = 0;
     MainWidget *m_centralWidget;
 
     QToolBar *toolBar;