diff --git a/mainwindow.ui b/mainwindow.ui
index d64b61a..c7a20fe 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -159,7 +159,23 @@
     </property>
     <addaction name="action_Quit"/>
    </widget>
+   <widget class="QMenu" name="menuAffichage">
+    <property name="title">
+     <string>Affichage</string>
+    </property>
+    <widget class="QMenu" name="menuInterpolation">
+     <property name="title">
+      <string>Interpolation</string>
+     </property>
+     <addaction name="actionPhong"/>
+     <addaction name="actionGouraud"/>
+    </widget>
+    <addaction name="actionTextures"/>
+    <addaction name="separator"/>
+    <addaction name="menuInterpolation"/>
+   </widget>
    <addaction name="menu_File"/>
+   <addaction name="menuAffichage"/>
   </widget>
   <widget class="QStatusBar" name="statusBar">
    <property name="enabled">
@@ -174,6 +190,36 @@
     <string>Esc</string>
    </property>
   </action>
+  <action name="actionTextures">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="checked">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Textures</string>
+   </property>
+  </action>
+  <action name="actionPhong">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="checked">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Phong</string>
+   </property>
+  </action>
+  <action name="actionGouraud">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Gouraud</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources/>
diff --git a/src/viewer/simpleViewer.cpp b/src/viewer/simpleViewer.cpp
index 649a1ff..c2be734 100644
--- a/src/viewer/simpleViewer.cpp
+++ b/src/viewer/simpleViewer.cpp
@@ -506,6 +506,13 @@ void Viewer::visit(SceneGroup &s)
 	modelStack.pop();
 }
 
+void Viewer::setPhong(bool on) {
+    m_program->setUniformValue(m_isPhongLoc, on);
+    if(on) std::cout << "Phong ON\n";
+    else std::cout << "Phong OFF\n";
+    this->update();
+}
+
 void Viewer::changeColor(QColor c){
 	if(activeCell->getChildren()->size()){
 		Shape* shape = dynamic_cast<Shape*> (activeCell->childAt(0));
diff --git a/src/viewer/simpleViewer.h b/src/viewer/simpleViewer.h
index 185ce36..fc542bd 100644
--- a/src/viewer/simpleViewer.h
+++ b/src/viewer/simpleViewer.h
@@ -52,6 +52,7 @@ public:
 public slots:
 	void cleanup();
     void changeColor(QColor);
+    void setPhong(bool);
 
 signals:
 	int shapeSelected(int);
diff --git a/src/window/mainwindow.cpp b/src/window/mainwindow.cpp
index b2fdeff..43621b5 100644
--- a/src/window/mainwindow.cpp
+++ b/src/window/mainwindow.cpp
@@ -2,14 +2,23 @@
 #include "ui_mainwindow.h"
 #include <QBoxLayout>
 #include <QColorDialog>
+#include <QActionGroup>
+
+namespace {
+    Viewer* view;
+}
 
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
 	ui(new Ui::MainWindow),
-	colordialog(new QColorDialog)
+    colordialog(new QColorDialog)
 {
     ui->setupUi(this);
 
+    lightTypeGroup = new QActionGroup(this);
+    lightTypeGroup->addAction(ui->actionGouraud);
+    lightTypeGroup->addAction(ui->actionPhong);
+
 	connect(ui->pushButton, SIGNAL(clicked(bool)), this, SLOT(onColorPickerActivate()));
 }
 
@@ -24,6 +33,8 @@ void MainWindow::addViewer(Viewer* viewer)
     layout->addWidget(viewer);
     ui->frame->setLayout(layout);
 
+    // actionGouraud shouldn't need one, since they are mutual
+    connect(ui->actionPhong, SIGNAL(toggled(bool)), viewer, SLOT(setPhong(bool)));
 }
 
 void MainWindow::onColorPickerActivate(){
diff --git a/src/window/mainwindow.h b/src/window/mainwindow.h
index 8ec7803..94c2cfd 100644
--- a/src/window/mainwindow.h
+++ b/src/window/mainwindow.h
@@ -3,6 +3,7 @@
 
 #include <QMainWindow>
 #include <QColorDialog>
+#include <QActionGroup>
 #include "src/viewer/simpleViewer.h"
 
 namespace Ui {
@@ -21,10 +22,12 @@ public:
 
 public slots:
 	void onColorPickerActivate();
+    //void onTextureToggle();
 
 private:
     Ui::MainWindow *ui;
 	QColorDialog *colordialog;
+    QActionGroup *lightTypeGroup;
 };
 
 #endif // MAINWINDOW_H