Pfeiltasten wieder eingebaut

QTProject/mainwidget.cpp

@@ -35,7 +35,14 @@ void MainWidget::keyPressEvent(QKeyEvent *event){
     }
     else if (event->key() == Qt::Key_Plus){
         cam->move(QVector3D(0.0,0.0,10));
-    } else{
+    }
+    else if(event->key() == Qt::Key_Right || event->key() == Qt::Key_D){
+        emit subdifChange(1);
+    }
+    else if(event->key() == Qt::Key_Left || event->key() == Qt::Key_A){
+        emit subdifChange(-1);
+    }
+    else{
         QOpenGLWidget::keyPressEvent(event);
     }
 }
@@ -146,7 +153,7 @@ void MainWidget::loadNewMesh(){
     QString fn = QFileDialog::getOpenFileName(NULL, tr("Open Mesh..."),
                                               QString("..\\Models"),
                                               tr("*.md5mesh *.3ds *.md2 *.obj *.dae *.dxf *.mesh.xml *.blend *.b3d" ));
-
+    emit subdifChange(0);
     loadNewMesh(fn);
 
 }

QTProject/mainwidget.h

@@ -37,6 +37,9 @@ public slots:
     void setWireframe(bool active);
     void subdivide(int level);
 
+  signals:
+    void subdifChange(int value);
+
 protected:
     void initializeGL();
     void paintGL();

QTProject/mainwindow.cpp

@@ -48,6 +48,7 @@ MainWindow::MainWindow(QWidget *parent) :
 
     connect(subdivSlider, SIGNAL(valueChanged(int)),
             this, SLOT(sliderfix(int)));
+
     toolBar->addWidget(subdivSlider);
 
 
@@ -55,9 +56,11 @@ MainWindow::MainWindow(QWidget *parent) :
     m_centralWidget->setFocusPolicy(Qt::StrongFocus);
     m_centralWidget->setFocus();
     //  showMaximized();
+
+     connect(m_centralWidget, SIGNAL(subdifChange(int)),this,SLOT(subdifChange(int)));
 }
 
- void MainWindow::sliderfix(int pos){
+void MainWindow::sliderfix(int pos){
     int move = pos -oldSliderpos;
     move >0 ? move = 1 : move = -1;
     int newPos =  oldSliderpos+move;
@@ -65,7 +68,15 @@ MainWindow::MainWindow(QWidget *parent) :
     m_centralWidget->subdivide(newPos);
     subdivSlider->setSliderPosition(newPos);
     oldSliderpos = newPos;
+}
+
+void MainWindow::subdifChange(int change){
+    if(change == 0){
+        subdivSlider->setSliderPosition(0);
     }
+    subdivSlider->setSliderPosition(subdivSlider->sliderPosition()+change);
+    m_centralWidget->subdivide(subdivSlider->sliderPosition());
+}
 
 MainWindow::~MainWindow()
 {

QTProject/mainwindow.h

@@ -21,6 +21,7 @@ public:
 
 public slots:
     void sliderfix(int pos);
+    void subdifChange(int change);
 
 private:
     int oldSliderpos = 0;