diff --git a/examples/widgets/tutorials/addressbook/part1/addressbook.cpp b/examples/widgets/tutorials/addressbook/part1/addressbook.cpp
index 60acd6bb273..8c4a907a5a2 100644
--- a/examples/widgets/tutorials/addressbook/part1/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part1/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part1/addressbook.h b/examples/widgets/tutorials/addressbook/part1/addressbook.h
index 01dbf547e19..8f2fe070a35 100644
--- a/examples/widgets/tutorials/addressbook/part1/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part1/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part1/main.cpp b/examples/widgets/tutorials/addressbook/part1/main.cpp
index 71f3f4cad66..947f4f843c4 100644
--- a/examples/widgets/tutorials/addressbook/part1/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part1/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part2/addressbook.cpp b/examples/widgets/tutorials/addressbook/part2/addressbook.cpp
index 6fd5d03fea4..ec71660635a 100644
--- a/examples/widgets/tutorials/addressbook/part2/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part2/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part2/addressbook.h b/examples/widgets/tutorials/addressbook/part2/addressbook.h
index b1264328605..fd6659267bc 100644
--- a/examples/widgets/tutorials/addressbook/part2/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part2/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part2/main.cpp b/examples/widgets/tutorials/addressbook/part2/main.cpp
index 71f3f4cad66..947f4f843c4 100644
--- a/examples/widgets/tutorials/addressbook/part2/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part2/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part3/addressbook.cpp b/examples/widgets/tutorials/addressbook/part3/addressbook.cpp
index bcf3f63430a..c74bc5d12b9 100644
--- a/examples/widgets/tutorials/addressbook/part3/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part3/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part3/addressbook.h b/examples/widgets/tutorials/addressbook/part3/addressbook.h
index 3613fedb341..3a413818241 100644
--- a/examples/widgets/tutorials/addressbook/part3/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part3/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part3/main.cpp b/examples/widgets/tutorials/addressbook/part3/main.cpp
index 70eabab2555..951ea83ef2e 100644
--- a/examples/widgets/tutorials/addressbook/part3/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part3/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part4/addressbook.cpp b/examples/widgets/tutorials/addressbook/part4/addressbook.cpp
index 66764a28156..7f2d8caeed8 100644
--- a/examples/widgets/tutorials/addressbook/part4/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part4/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part4/addressbook.h b/examples/widgets/tutorials/addressbook/part4/addressbook.h
index 6430ac34136..af3d280cfa7 100644
--- a/examples/widgets/tutorials/addressbook/part4/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part4/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part4/main.cpp b/examples/widgets/tutorials/addressbook/part4/main.cpp
index 70eabab2555..951ea83ef2e 100644
--- a/examples/widgets/tutorials/addressbook/part4/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part4/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part5/addressbook.cpp b/examples/widgets/tutorials/addressbook/part5/addressbook.cpp
index a1005d69121..ddb936fa0f3 100644
--- a/examples/widgets/tutorials/addressbook/part5/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part5/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part5/addressbook.h b/examples/widgets/tutorials/addressbook/part5/addressbook.h
index f8a53304ee1..e52f9aff562 100644
--- a/examples/widgets/tutorials/addressbook/part5/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part5/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part5/finddialog.cpp b/examples/widgets/tutorials/addressbook/part5/finddialog.cpp
index 303f3d5b081..2c251753662 100644
--- a/examples/widgets/tutorials/addressbook/part5/finddialog.cpp
+++ b/examples/widgets/tutorials/addressbook/part5/finddialog.cpp

diff --git a/examples/widgets/tutorials/addressbook/part5/finddialog.h b/examples/widgets/tutorials/addressbook/part5/finddialog.h
index 2b9c4e08dec..847503811c7 100644
--- a/examples/widgets/tutorials/addressbook/part5/finddialog.h
+++ b/examples/widgets/tutorials/addressbook/part5/finddialog.h

diff --git a/examples/widgets/tutorials/addressbook/part5/main.cpp b/examples/widgets/tutorials/addressbook/part5/main.cpp
index 70eabab2555..951ea83ef2e 100644
--- a/examples/widgets/tutorials/addressbook/part5/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part5/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part6/addressbook.cpp b/examples/widgets/tutorials/addressbook/part6/addressbook.cpp
index 536853590b7..3322acf55bd 100644
--- a/examples/widgets/tutorials/addressbook/part6/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part6/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part6/addressbook.h b/examples/widgets/tutorials/addressbook/part6/addressbook.h
index ce2691ccad0..a9b1a67a755 100644
--- a/examples/widgets/tutorials/addressbook/part6/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part6/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part6/finddialog.cpp b/examples/widgets/tutorials/addressbook/part6/finddialog.cpp
index a5efb678c81..2089dadc2f6 100644
--- a/examples/widgets/tutorials/addressbook/part6/finddialog.cpp
+++ b/examples/widgets/tutorials/addressbook/part6/finddialog.cpp

diff --git a/examples/widgets/tutorials/addressbook/part6/finddialog.h b/examples/widgets/tutorials/addressbook/part6/finddialog.h
index 42ff91143ed..28f927868cd 100644
--- a/examples/widgets/tutorials/addressbook/part6/finddialog.h
+++ b/examples/widgets/tutorials/addressbook/part6/finddialog.h

diff --git a/examples/widgets/tutorials/addressbook/part6/main.cpp b/examples/widgets/tutorials/addressbook/part6/main.cpp
index 70eabab2555..951ea83ef2e 100644
--- a/examples/widgets/tutorials/addressbook/part6/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part6/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part7/addressbook.cpp b/examples/widgets/tutorials/addressbook/part7/addressbook.cpp
index ba42cd4c938..80932bfd5ee 100644
--- a/examples/widgets/tutorials/addressbook/part7/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part7/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part7/addressbook.h b/examples/widgets/tutorials/addressbook/part7/addressbook.h
index d672c7a85b1..04a35de9d05 100644
--- a/examples/widgets/tutorials/addressbook/part7/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part7/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part7/finddialog.cpp b/examples/widgets/tutorials/addressbook/part7/finddialog.cpp
index a5efb678c81..2089dadc2f6 100644
--- a/examples/widgets/tutorials/addressbook/part7/finddialog.cpp
+++ b/examples/widgets/tutorials/addressbook/part7/finddialog.cpp

diff --git a/examples/widgets/tutorials/addressbook/part7/finddialog.h b/examples/widgets/tutorials/addressbook/part7/finddialog.h
index 42ff91143ed..28f927868cd 100644
--- a/examples/widgets/tutorials/addressbook/part7/finddialog.h
+++ b/examples/widgets/tutorials/addressbook/part7/finddialog.h

diff --git a/examples/widgets/tutorials/addressbook/part7/main.cpp b/examples/widgets/tutorials/addressbook/part7/main.cpp
index 70eabab2555..951ea83ef2e 100644
--- a/examples/widgets/tutorials/addressbook/part7/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part7/main.cpp

diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part1/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part1/main.cpp
index 21add1ff4d1..5e1c6a20a9e 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part1/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part1/main.cpp

diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part2/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part2/main.cpp
index 97301acb6b2..c88c81ed091 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part2/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part2/main.cpp

diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part3/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part3/main.cpp
index bd0202c9677..c2d4994e99b 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part3/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part3/main.cpp

diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part4/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part4/main.cpp
index 785199313b4..857dba5d493 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part4/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part4/main.cpp

diff --git a/examples/widgets/tutorials/gettingStarted/gsQt/part5/main.cpp b/examples/widgets/tutorials/gettingStarted/gsQt/part5/main.cpp
index a841dffc522..6d4efe0ecfa 100644
--- a/examples/widgets/tutorials/gettingStarted/gsQt/part5/main.cpp
+++ b/examples/widgets/tutorials/gettingStarted/gsQt/part5/main.cpp

diff --git a/examples/widgets/tutorials/modelview/1_readonly/main.cpp b/examples/widgets/tutorials/modelview/1_readonly/main.cpp
index 68928e95f6e..f51977ae7fd 100644
--- a/examples/widgets/tutorials/modelview/1_readonly/main.cpp
+++ b/examples/widgets/tutorials/modelview/1_readonly/main.cpp

diff --git a/examples/widgets/tutorials/modelview/1_readonly/mymodel.cpp b/examples/widgets/tutorials/modelview/1_readonly/mymodel.cpp
index af10de02660..02688d05c7a 100644
--- a/examples/widgets/tutorials/modelview/1_readonly/mymodel.cpp
+++ b/examples/widgets/tutorials/modelview/1_readonly/mymodel.cpp

diff --git a/examples/widgets/tutorials/modelview/1_readonly/mymodel.h b/examples/widgets/tutorials/modelview/1_readonly/mymodel.h
index d17f409da33..a65bf78e37f 100644
--- a/examples/widgets/tutorials/modelview/1_readonly/mymodel.h
+++ b/examples/widgets/tutorials/modelview/1_readonly/mymodel.h

diff --git a/examples/widgets/tutorials/modelview/2_formatting/main.cpp b/examples/widgets/tutorials/modelview/2_formatting/main.cpp
index 68928e95f6e..f51977ae7fd 100644
--- a/examples/widgets/tutorials/modelview/2_formatting/main.cpp
+++ b/examples/widgets/tutorials/modelview/2_formatting/main.cpp

diff --git a/examples/widgets/tutorials/modelview/2_formatting/mymodel.cpp b/examples/widgets/tutorials/modelview/2_formatting/mymodel.cpp
index e51b79c9e87..37daa1c505f 100644
--- a/examples/widgets/tutorials/modelview/2_formatting/mymodel.cpp
+++ b/examples/widgets/tutorials/modelview/2_formatting/mymodel.cpp

diff --git a/examples/widgets/tutorials/modelview/2_formatting/mymodel.h b/examples/widgets/tutorials/modelview/2_formatting/mymodel.h
index 39e431be414..3305f541efb 100644
--- a/examples/widgets/tutorials/modelview/2_formatting/mymodel.h
+++ b/examples/widgets/tutorials/modelview/2_formatting/mymodel.h

diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp b/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp
index 3a80fd3c480..cae8532ea82 100644
--- a/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp
+++ b/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp

diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp
index 62d3e62c34b..2df5bc87e4d 100644
--- a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp
+++ b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp

diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h
index 56184772bf6..b10f3200736 100644
--- a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h
+++ b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h

diff --git a/examples/widgets/tutorials/modelview/4_headers/main.cpp b/examples/widgets/tutorials/modelview/4_headers/main.cpp
index ddd61728191..6b35ee11913 100644
--- a/examples/widgets/tutorials/modelview/4_headers/main.cpp
+++ b/examples/widgets/tutorials/modelview/4_headers/main.cpp

diff --git a/examples/widgets/tutorials/modelview/4_headers/mymodel.cpp b/examples/widgets/tutorials/modelview/4_headers/mymodel.cpp
index bf8177a8306..aff05582802 100644
--- a/examples/widgets/tutorials/modelview/4_headers/mymodel.cpp
+++ b/examples/widgets/tutorials/modelview/4_headers/mymodel.cpp

diff --git a/examples/widgets/tutorials/modelview/4_headers/mymodel.h b/examples/widgets/tutorials/modelview/4_headers/mymodel.h
index 3d4992dc483..ea94dc7c823 100644
--- a/examples/widgets/tutorials/modelview/4_headers/mymodel.h
+++ b/examples/widgets/tutorials/modelview/4_headers/mymodel.h

diff --git a/examples/widgets/tutorials/modelview/5_edit/main.cpp b/examples/widgets/tutorials/modelview/5_edit/main.cpp
index a4126d05948..365d8a64ed7 100644
--- a/examples/widgets/tutorials/modelview/5_edit/main.cpp
+++ b/examples/widgets/tutorials/modelview/5_edit/main.cpp

diff --git a/examples/widgets/tutorials/modelview/5_edit/mainwindow.cpp b/examples/widgets/tutorials/modelview/5_edit/mainwindow.cpp
index 4873aa56986..139bba76d33 100644
--- a/examples/widgets/tutorials/modelview/5_edit/mainwindow.cpp
+++ b/examples/widgets/tutorials/modelview/5_edit/mainwindow.cpp

diff --git a/examples/widgets/tutorials/modelview/5_edit/mainwindow.h b/examples/widgets/tutorials/modelview/5_edit/mainwindow.h
index 97e7706ccd8..30286277e39 100644
--- a/examples/widgets/tutorials/modelview/5_edit/mainwindow.h
+++ b/examples/widgets/tutorials/modelview/5_edit/mainwindow.h

diff --git a/examples/widgets/tutorials/modelview/5_edit/mymodel.cpp b/examples/widgets/tutorials/modelview/5_edit/mymodel.cpp
index 0a2c301f9c2..3514594ff1c 100644
--- a/examples/widgets/tutorials/modelview/5_edit/mymodel.cpp
+++ b/examples/widgets/tutorials/modelview/5_edit/mymodel.cpp

diff --git a/examples/widgets/tutorials/modelview/5_edit/mymodel.h b/examples/widgets/tutorials/modelview/5_edit/mymodel.h
index be6ebc28c95..b92ebe26a0a 100644
--- a/examples/widgets/tutorials/modelview/5_edit/mymodel.h
+++ b/examples/widgets/tutorials/modelview/5_edit/mymodel.h

diff --git a/examples/widgets/tutorials/modelview/6_treeview/main.cpp b/examples/widgets/tutorials/modelview/6_treeview/main.cpp
index a4126d05948..365d8a64ed7 100644
--- a/examples/widgets/tutorials/modelview/6_treeview/main.cpp
+++ b/examples/widgets/tutorials/modelview/6_treeview/main.cpp

diff --git a/examples/widgets/tutorials/modelview/6_treeview/mainwindow.cpp b/examples/widgets/tutorials/modelview/6_treeview/mainwindow.cpp
index 863014bfcd6..73bec386c58 100644
--- a/examples/widgets/tutorials/modelview/6_treeview/mainwindow.cpp
+++ b/examples/widgets/tutorials/modelview/6_treeview/mainwindow.cpp

diff --git a/examples/widgets/tutorials/modelview/6_treeview/mainwindow.h b/examples/widgets/tutorials/modelview/6_treeview/mainwindow.h
index 10fe013ed34..a2a21bfd2e5 100644
--- a/examples/widgets/tutorials/modelview/6_treeview/mainwindow.h
+++ b/examples/widgets/tutorials/modelview/6_treeview/mainwindow.h

diff --git a/examples/widgets/tutorials/modelview/7_selections/main.cpp b/examples/widgets/tutorials/modelview/7_selections/main.cpp
index a4126d05948..365d8a64ed7 100644
--- a/examples/widgets/tutorials/modelview/7_selections/main.cpp
+++ b/examples/widgets/tutorials/modelview/7_selections/main.cpp

diff --git a/examples/widgets/tutorials/modelview/7_selections/mainwindow.cpp b/examples/widgets/tutorials/modelview/7_selections/mainwindow.cpp
index 0c1eb290faf..cbee3c77712 100644
--- a/examples/widgets/tutorials/modelview/7_selections/mainwindow.cpp
+++ b/examples/widgets/tutorials/modelview/7_selections/mainwindow.cpp

diff --git a/examples/widgets/tutorials/modelview/7_selections/mainwindow.h b/examples/widgets/tutorials/modelview/7_selections/mainwindow.h
index cf3b9f19c83..3dfea717f75 100644
--- a/examples/widgets/tutorials/modelview/7_selections/mainwindow.h
+++ b/examples/widgets/tutorials/modelview/7_selections/mainwindow.h

diff --git a/examples/widgets/tutorials/widgets/childwidget/main.cpp b/examples/widgets/tutorials/widgets/childwidget/main.cpp
index dc1e125c98e..206a274f7bf 100644
--- a/examples/widgets/tutorials/widgets/childwidget/main.cpp
+++ b/examples/widgets/tutorials/widgets/childwidget/main.cpp

diff --git a/examples/widgets/tutorials/widgets/nestedlayouts/main.cpp b/examples/widgets/tutorials/widgets/nestedlayouts/main.cpp
index b58b33e7ca4..091e6f95023 100644
--- a/examples/widgets/tutorials/widgets/nestedlayouts/main.cpp
+++ b/examples/widgets/tutorials/widgets/nestedlayouts/main.cpp

diff --git a/examples/widgets/tutorials/widgets/toplevel/main.cpp b/examples/widgets/tutorials/widgets/toplevel/main.cpp
index 7e0526488b6..4d01a9b1ecb 100644
--- a/examples/widgets/tutorials/widgets/toplevel/main.cpp
+++ b/examples/widgets/tutorials/widgets/toplevel/main.cpp

diff --git a/examples/widgets/tutorials/widgets/windowlayout/main.cpp b/examples/widgets/tutorials/widgets/windowlayout/main.cpp
index ec00e135e73..a280adbfe83 100644
--- a/examples/widgets/tutorials/widgets/windowlayout/main.cpp
+++ b/examples/widgets/tutorials/widgets/windowlayout/main.cpp