4 files changed, 22 insertions, 6 deletions
diff --git a/examples/tutorials/modelview/3_changingmodel/mymodel.h b/examples/tutorials/modelview/3_changingmodel/mymodel.h
index 87c3dba..91e3cb9 100755
--- a/examples/tutorials/modelview/3_changingmodel/mymodel.h
+++ b/examples/tutorials/modelview/3_changingmodel/mymodel.h
@@ -42,7 +42,11 @@
 #define MYMODEL_H
 
 #include <QAbstractTableModel>
-#include <QTimer>
+
+QT_BEGIN_NAMESPACE // QT_BEGIN_NAMESPACE / QT_END_NAMESPACE are not needed in Qt user code
+class QTimer;  // forward declaration
+QT_END_NAMESPACE
+
 
 class MyModel : public QAbstractTableModel
 {
diff --git a/examples/tutorials/modelview/5_edit/mainwindow.h b/examples/tutorials/modelview/5_edit/mainwindow.h
index ac5b77b..41b15d1 100755
--- a/examples/tutorials/modelview/5_edit/mainwindow.h
+++ b/examples/tutorials/modelview/5_edit/mainwindow.h
@@ -42,7 +42,11 @@
 #define MAINWINDOW_H
 
 #include <QtGui/QMainWindow>
-#include <QtGui/QTableView>
+
+QT_BEGIN_NAMESPACE // QT_BEGIN_NAMESPACE / QT_END_NAMESPACE are not needed in Qt user code
+class QTableView; //forward declaration
+QT_END_NAMESPACE
+
 
 class MainWindow : public QMainWindow
 {
diff --git a/examples/tutorials/modelview/6_treeview/mainwindow.h b/examples/tutorials/modelview/6_treeview/mainwindow.h
index 4c4ddb0..dcc9284 100755
--- a/examples/tutorials/modelview/6_treeview/mainwindow.h
+++ b/examples/tutorials/modelview/6_treeview/mainwindow.h
@@ -42,8 +42,12 @@
 #define MAINWINDOW_H
 
 #include <QtGui/QMainWindow>
-#include <QtGui/QTreeView>
-#include <QtGui/QStandardItemModel>
+
+QT_BEGIN_NAMESPACE // QT_BEGIN_NAMESPACE  / QT_END_NAMESPACE are not needed in Qt user code
+class QTreeView; //forward declarations
+class QStandardItemModel;
+class QStandardItem;
+QT_END_NAMESPACE
 
 
 class MainWindow : public QMainWindow
diff --git a/examples/tutorials/modelview/7_selections/mainwindow.h b/examples/tutorials/modelview/7_selections/mainwindow.h
index a8f8488..5dc973c 100755
--- a/examples/tutorials/modelview/7_selections/mainwindow.h
+++ b/examples/tutorials/modelview/7_selections/mainwindow.h
@@ -42,8 +42,12 @@
 #define MAINWINDOW_H
 
 #include <QtGui/QMainWindow>
-#include <QtGui/QTreeView>
-#include <QtGui/QStandardItemModel>
+
+QT_BEGIN_NAMESPACE // QT_BEGIN_NAMESPACE  / QT_END_NAMESPACE are not needed in Qt user code
+class QTreeView; //forward declarations
+class QStandardItemModel;
+class QItemSelection;
+QT_END_NAMESPACE
 
 
 class MainWindow : public QMainWindow