5 files changed, 12 insertions, 18 deletions
diff --git a/gui/polkit-tqt-gui-action.h b/gui/polkit-tqt-gui-action.h
index 4f5bb2e2d..21c10100b 100644
--- a/gui/polkit-tqt-gui-action.h
+++ b/gui/polkit-tqt-gui-action.h
@@ -77,7 +77,7 @@ class POLKIT_TQT_EXPORT Action : public TQAction
      * \param actionId the PolicyKit action Id (e.g.: org.freedesktop.policykit.read)
      * \param parent the object parent
      */
-    explicit Action(const TQString& actionId = TQString::null, TQObject *parent = 0);
+    explicit Action(const TQString& actionId = TQString::null, TQObject *parent = nullptr);
 
     ~Action();
 
diff --git a/gui/polkit-tqt-gui-actionbutton.cpp b/gui/polkit-tqt-gui-actionbutton.cpp
index ffcdc2f28..48a0d1494 100644
--- a/gui/polkit-tqt-gui-actionbutton.cpp
+++ b/gui/polkit-tqt-gui-actionbutton.cpp
@@ -92,10 +92,8 @@ void ActionButton::streamClicked()
 
 void ActionButton::updateButton()
 {
-  TQValueList<TQButton*>::iterator butIt;
-  for (butIt = d->buttons.begin(); butIt != d->buttons.end(); ++butIt)
+  for (TQButton *&ent : d->buttons)
   {
-    TQButton *ent = *butIt;
     if (isVisible())
     {
       ent->show();
@@ -128,10 +126,8 @@ void ActionButton::updateButton()
 bool ActionButton::activate()
 {
   bool tg = false;
-  TQValueList<TQButton*>::iterator butIt;
-  for (butIt = d->buttons.begin(); butIt != d->buttons.end(); ++butIt)
+  for (TQButton *&ent : d->buttons)
   {
-    TQButton *ent = *butIt;
     if (ent->isToggleButton())
     {
       // we set the the current Action state
diff --git a/gui/polkit-tqt-gui-actionbutton.h b/gui/polkit-tqt-gui-actionbutton.h
index 7ec45f296..6ab25577c 100644
--- a/gui/polkit-tqt-gui-actionbutton.h
+++ b/gui/polkit-tqt-gui-actionbutton.h
@@ -72,7 +72,7 @@ class POLKIT_TQT_EXPORT ActionButton : public Action
      * \param parent the parent object
      */
     explicit ActionButton(TQButton *button, const TQString &actionId = TQString::null,
-            TQObject *parent = 0);
+            TQObject *parent = nullptr);
     virtual ~ActionButton();
 
     /**
@@ -131,7 +131,7 @@ class POLKIT_TQT_EXPORT ActionButton : public Action
     void clicked(TQButton *button, bool checked = false);
 
   protected:
-    ActionButton(ActionButtonPrivate &dd, const TQString &actionId, TQObject *parent = 0);
+    ActionButton(ActionButtonPrivate &dd, const TQString &actionId, TQObject *parent = nullptr);
 
     ActionButtonPrivate *const d;
 
diff --git a/gui/polkit-tqt-gui-actionbuttons.cpp b/gui/polkit-tqt-gui-actionbuttons.cpp
index 78aced5d6..f4e72d54f 100644
--- a/gui/polkit-tqt-gui-actionbuttons.cpp
+++ b/gui/polkit-tqt-gui-actionbuttons.cpp
@@ -32,7 +32,7 @@ namespace PolkitTQt
 namespace Gui
 {
 
-ActionButtons::ActionButtons(const TQValueList<TQButton*> &buttons, const TQString &actionId,
+ActionButtons::ActionButtons(TQValueList<TQButton*> &buttons, const TQString &actionId,
         TQObject *parent) : ActionButton(*new ActionButtonPrivate(), actionId, parent)
 {
   setButtons(buttons);
@@ -42,17 +42,15 @@ ActionButtons::~ActionButtons()
 {
 }
 
-void ActionButtons::setButtons(const TQValueList<TQButton*> &buttons)
+void ActionButtons::setButtons(TQValueList<TQButton*> &buttons)
 {
-  TQValueList<TQButton*>::iterator butIt;
-  for (butIt = d->buttons.begin(); butIt != d->buttons.end(); ++butIt)
+  for (TQButton *&ent : buttons)
   {
-    TQButton *ent = *butIt;
     addButton(ent);
   }
 }
 
-TQValueList<TQButton *> ActionButtons::buttons() const
+TQValueList<TQButton*> ActionButtons::buttons() const
 {
   return d->buttons;
 }
diff --git a/gui/polkit-tqt-gui-actionbuttons.h b/gui/polkit-tqt-gui-actionbuttons.h
index b85b632be..43b80bb93 100644
--- a/gui/polkit-tqt-gui-actionbuttons.h
+++ b/gui/polkit-tqt-gui-actionbuttons.h
@@ -62,8 +62,8 @@ class ActionButtons : public ActionButton
      * \param actionId the action Id to create the underlying Action
      * \param parent the parent object
      */
-    explicit ActionButtons(const TQValueList<TQButton*> &buttons,
-            const TQString &actionId = TQString::null, TQObject *parent = 0);
+    explicit ActionButtons(TQValueList<TQButton*> &buttons,
+            const TQString &actionId = TQString::null, TQObject *parent = nullptr);
     virtual ~ActionButtons();
 
     /**
@@ -80,7 +80,7 @@ class ActionButtons : public ActionButton
      *
      * \param buttons the new buttons associated with the underlying action
      */
-    void setButtons(const TQValueList<TQButton*> &buttons);
+    void setButtons(TQValueList<TQButton*> &buttons);
 
     /**
      * Returns the current buttons list