button to show/hide grid

helloqube/helloqube.qrc

@@ -18,5 +18,6 @@
         <file>grapa-a2-iconset/view-dual.png</file>
         <file>grapa-a2-iconset/viewports.png</file>
         <file>grapa-a2-iconset/view-single.png</file>
+        <file>grapa-a2-iconset/gridIcon.png</file>
     </qresource>
 </RCC>

helloqube/mainwindow.cpp

@@ -220,6 +220,12 @@ MainWindow::MainWindow(QWidget *parent)
     }
 
 
+
+    showGridButton = new QToolButton(toolBar);
+    showGridButton->setIcon(QIcon(":/grapa-a2-iconset/gridIcon.png"));
+    toolBar->addWidget(showGridButton);
+    showGridButton->setCheckable(true);
+
     gridSizeInput = new QSpinBox(toolBar);
     gridSizeInput->setRange(0,100);
     gridSizeInput->setValue(5);
@@ -231,10 +237,14 @@ MainWindow::MainWindow(QWidget *parent)
     toolBar->addWidget(gridStepInput);
     gridStepInput->setToolTip("Grid Step Size");
 
-    for(int i = 0; i < 4; i++){
-        connect(gridSizeInput,SIGNAL(valueChanged(int)),allWidgets[i],SLOT(setGridSize(int)));
-        connect(gridStepInput,SIGNAL(valueChanged(int)),allWidgets[i],SLOT(setGridStepSize(int)));
-    }
+
+
+
+            for(int i = 0; i < 4; i++){
+                connect(gridSizeInput,SIGNAL(valueChanged(int)),allWidgets[i],SLOT(setGridSize(int)));
+                connect(gridStepInput,SIGNAL(valueChanged(int)),allWidgets[i],SLOT(setGridStepSize(int)));
+                connect(showGridButton,SIGNAL(clicked(bool)),allWidgets[i],SLOT(showGrid(bool)));
+            }
 
     qDebug("Done initializing");
 

helloqube/mainwindow.h

@@ -95,6 +95,7 @@ private:
 
     QSpinBox* gridSizeInput;
     QSpinBox* gridStepInput;
+    QToolButton* showGridButton;
 
 public slots :
 void showAboutBox ( ) ;

helloqube/myglwidget.cpp

@@ -24,6 +24,7 @@ MyGLWidget::MyGLWidget(int index, Controller* c, bool isPerspective, QQuaternion
 
     gridSize = 5;
     gridStepSize = 1;
+    doShowGrid = false;
 }
 
 MyGLWidget::~MyGLWidget()
@@ -593,6 +594,7 @@ void MyGLWidget::drawTorus(int tesselation){
 }
 
 void MyGLWidget::drawGrid(){
+    if (!doShowGrid) return;
     GLfloat specularColor[] = {0,0,0};
     GLfloat shininess[] = {128};
     glMaterialfv(GL_FRONT,GL_SPECULAR,specularColor);
@@ -656,3 +658,8 @@ void MyGLWidget::setGridStepSize(int stepSize){
     gridStepSize = stepSize;
     updateGL();
 }
+
+void MyGLWidget::showGrid(bool doShowGrid){
+    this->doShowGrid = doShowGrid;
+    updateGL();
+}

helloqube/myglwidget.h

@@ -106,11 +106,13 @@ private:
 
     int gridSize;
     int gridStepSize;
+    bool doShowGrid;
 public slots:
     //4.1.1 slots for shading modes
     void resetCamera();
     void setGridSize(int size);
     void setGridStepSize(int stepSize);
+    void showGrid(bool doShowGrid);
 };
 
 #endif // GLWIDGET_H