13 files changed, 19 insertions, 19 deletions
diff --git a/demos/sub-attaq/boat_p.h b/demos/sub-attaq/boat_p.h
index 010dd0a6df..d64ad109a7 100644
--- a/demos/sub-attaq/boat_p.h
+++ b/demos/sub-attaq/boat_p.h
@@ -58,7 +58,7 @@
 #include "graphicsscene.h"
 
 // Qt
-#include <QtGui/QKeyEventTransition>
+#include <QtWidgets/QKeyEventTransition>
 
 static const int MAX_BOMB = 5;
 
diff --git a/demos/sub-attaq/graphicsscene.cpp b/demos/sub-attaq/graphicsscene.cpp
index d01c94f8eb..2b7455c03a 100644
--- a/demos/sub-attaq/graphicsscene.cpp
+++ b/demos/sub-attaq/graphicsscene.cpp
@@ -59,12 +59,12 @@
 #include <QtCore/QStateMachine>
 #include <QtCore/QFinalState>
 #include <QtCore/QPauseAnimation>
-#include <QtGui/QAction>
+#include <QtWidgets/QAction>
 #include <QtCore/QDir>
-#include <QtGui/QApplication>
-#include <QtGui/QMessageBox>
-#include <QtGui/QGraphicsView>
-#include <QtGui/QGraphicsSceneMouseEvent>
+#include <QtWidgets/QApplication>
+#include <QtWidgets/QMessageBox>
+#include <QtWidgets/QGraphicsView>
+#include <QtWidgets/QGraphicsSceneMouseEvent>
 #include <QtCore/QXmlStreamReader>
 
 GraphicsScene::GraphicsScene(int x, int y, int width, int height, Mode mode)
diff --git a/demos/sub-attaq/graphicsscene.h b/demos/sub-attaq/graphicsscene.h
index 215ee71262..002de29bab 100644
--- a/demos/sub-attaq/graphicsscene.h
+++ b/demos/sub-attaq/graphicsscene.h
@@ -43,7 +43,7 @@
 #define __GRAPHICSSCENE__H__
 
 //Qt
-#include <QtGui/QGraphicsScene>
+#include <QtWidgets/QGraphicsScene>
 #include <QtCore/QSet>
 #include <QtCore/QState>
 
diff --git a/demos/sub-attaq/main.cpp b/demos/sub-attaq/main.cpp
index 54f11e6a5f..4da920445b 100644
--- a/demos/sub-attaq/main.cpp
+++ b/demos/sub-attaq/main.cpp
@@ -39,7 +39,7 @@
 **
 ****************************************************************************/
 
-#include <QtGui>
+#include <QtWidgets>
 
 #include "mainwindow.h"
 
diff --git a/demos/sub-attaq/mainwindow.h b/demos/sub-attaq/mainwindow.h
index 532a39a265..56311dd94e 100644
--- a/demos/sub-attaq/mainwindow.h
+++ b/demos/sub-attaq/mainwindow.h
@@ -43,7 +43,7 @@
 #define __MAINWINDOW__H__
 
 //Qt
-#include <QtGui/QMainWindow>
+#include <QtWidgets/QMainWindow>
 class GraphicsScene;
 QT_BEGIN_NAMESPACE
 class QGraphicsView;
diff --git a/demos/sub-attaq/pixmapitem.h b/demos/sub-attaq/pixmapitem.h
index 8b615e7f79..1bab23e6e9 100644
--- a/demos/sub-attaq/pixmapitem.h
+++ b/demos/sub-attaq/pixmapitem.h
@@ -46,7 +46,7 @@
 #include "graphicsscene.h"
 
 //Qt
-#include <QtGui/QGraphicsObject>
+#include <QtWidgets/QGraphicsObject>
 
 class PixmapItem : public QGraphicsObject
 {
diff --git a/demos/sub-attaq/progressitem.h b/demos/sub-attaq/progressitem.h
index d4778cbdc1..e1bb1d4db9 100644
--- a/demos/sub-attaq/progressitem.h
+++ b/demos/sub-attaq/progressitem.h
@@ -43,7 +43,7 @@
 #define PROGRESSITEM_H
 
 //Qt
-#include <QtGui/QGraphicsTextItem>
+#include <QtWidgets/QGraphicsTextItem>
 
 class ProgressItem : public QGraphicsTextItem
 {
diff --git a/demos/sub-attaq/states.cpp b/demos/sub-attaq/states.cpp
index e939641524..a54b232a0f 100644
--- a/demos/sub-attaq/states.cpp
+++ b/demos/sub-attaq/states.cpp
@@ -50,10 +50,10 @@
 #include "textinformationitem.h"
 
 //Qt
-#include <QtGui/QMessageBox>
-#include <QtGui/QGraphicsView>
+#include <QtWidgets/QMessageBox>
+#include <QtWidgets/QGraphicsView>
 #include <QtCore/QStateMachine>
-#include <QtGui/QKeyEventTransition>
+#include <QtWidgets/QKeyEventTransition>
 #include <QtCore/QFinalState>
 
 PlayState::PlayState(GraphicsScene *scene, QState *parent)
diff --git a/demos/sub-attaq/states.h b/demos/sub-attaq/states.h
index 3a3c516871..f85a481b71 100644
--- a/demos/sub-attaq/states.h
+++ b/demos/sub-attaq/states.h
@@ -46,7 +46,7 @@
 #include <QtCore/QState>
 #include <QtCore/QSignalTransition>
 #include <QtCore/QPropertyAnimation>
-#include <QtGui/QKeyEventTransition>
+#include <QtWidgets/QKeyEventTransition>
 #include <QtCore/QSet>
 
 class GraphicsScene;
diff --git a/demos/sub-attaq/sub-attaq.pro b/demos/sub-attaq/sub-attaq.pro
index 5575f5e65f..7b57baf19b 100644
--- a/demos/sub-attaq/sub-attaq.pro
+++ b/demos/sub-attaq/sub-attaq.pro
@@ -1,4 +1,4 @@
-contains(QT_CONFIG, opengl):QT += opengl
+contains(QT_CONFIG, opengl):QT += opengl widgets
 HEADERS += boat.h \
     bomb.h \
     mainwindow.h \
diff --git a/demos/sub-attaq/submarine.h b/demos/sub-attaq/submarine.h
index 8bdd320e21..d1b5a5ed80 100644
--- a/demos/sub-attaq/submarine.h
+++ b/demos/sub-attaq/submarine.h
@@ -43,7 +43,7 @@
 #define __SUBMARINE__H__
 
 //Qt
-#include <QtGui/QGraphicsTransform>
+#include <QtWidgets/QGraphicsTransform>
 
 #include "pixmapitem.h"
 
diff --git a/demos/sub-attaq/submarine_p.h b/demos/sub-attaq/submarine_p.h
index 59b7c1db7b..a7bacd1fcf 100644
--- a/demos/sub-attaq/submarine_p.h
+++ b/demos/sub-attaq/submarine_p.h
@@ -60,7 +60,7 @@
 
 //Qt
 #include <QtCore/QPropertyAnimation>
-#include <QtGui/QGraphicsScene>
+#include <QtWidgets/QGraphicsScene>
 
 //This state is describing when the boat is moving right
 class MovementState : public QAnimationState
diff --git a/demos/sub-attaq/textinformationitem.h b/demos/sub-attaq/textinformationitem.h
index 5a9b52cf1d..db557fdd9d 100644
--- a/demos/sub-attaq/textinformationitem.h
+++ b/demos/sub-attaq/textinformationitem.h
@@ -43,7 +43,7 @@
 #define TEXTINFORMATIONITEM_H
 
 //Qt
-#include <QtGui/QGraphicsTextItem>
+#include <QtWidgets/QGraphicsTextItem>
 
 class TextInformationItem : public QGraphicsTextItem
 {