Add const & to arguments

Change-Id: I1bcf69638fee32b6e6565b8ea828c0adcff48a67
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

8 files changed, 16 insertions, 16 deletions

diff --git a/src/particles/qquickgroupgoal.cpp b/src/particles/qquickgroupgoal.cpp
index 8a487ae4c5..e2d457063b 100644
--- a/src/particles/qquickgroupgoal.cpp
+++ b/src/particles/qquickgroupgoal.cpp
@@ -82,7 +82,7 @@ QQuickGroupGoalAffector::QQuickGroupGoalAffector(QQuickItem *parent) :
     m_ignoresTime = true;
 }
 
-void QQuickGroupGoalAffector::setGoalState(QString arg)
+void QQuickGroupGoalAffector::setGoalState(const QString &arg)
 {
     if (m_goalState != arg) {
         m_goalState = arg;
diff --git a/src/particles/qquickgroupgoal_p.h b/src/particles/qquickgroupgoal_p.h
index 5d385f2f36..e51cb86e07 100644
--- a/src/particles/qquickgroupgoal_p.h
+++ b/src/particles/qquickgroupgoal_p.h
@@ -70,13 +70,13 @@ protected:
 
 Q_SIGNALS:
 
-    void goalStateChanged(QString arg);
+    void goalStateChanged(const QString &arg);
 
     void jumpChanged(bool arg);
 
 public Q_SLOTS:
 
-    void setGoalState(QString arg);
+    void setGoalState(const QString &arg);
 
     void setJump(bool arg)
     {
diff --git a/src/particles/qquickparticleaffector_p.h b/src/particles/qquickparticleaffector_p.h
index 5ee8430472..3b774f5ff0 100644
--- a/src/particles/qquickparticleaffector_p.h
+++ b/src/particles/qquickparticleaffector_p.h
@@ -96,7 +96,7 @@ Q_SIGNALS:
 
     void systemChanged(QQuickParticleSystem* arg);
 
-    void groupsChanged(QStringList arg);
+    void groupsChanged(const QStringList &arg);
 
     void enabledChanged(bool arg);
 
@@ -106,7 +106,7 @@ Q_SIGNALS:
 
     void affected(qreal x, qreal y);
 
-    void whenCollidingWithChanged(QStringList arg);
+    void whenCollidingWithChanged(const QStringList &arg);
 
 public Q_SLOTS:
 void setSystem(QQuickParticleSystem* arg)
@@ -118,7 +118,7 @@ void setSystem(QQuickParticleSystem* arg)
     }
 }
 
-void setGroups(QStringList arg)
+void setGroups(const QStringList &arg)
 {
     if (m_groups != arg) {
         m_groups = arg;
@@ -152,7 +152,7 @@ void setShape(QQuickParticleExtruder* arg)
     }
 }
 
-void setWhenCollidingWith(QStringList arg)
+void setWhenCollidingWith(const QStringList &arg)
 {
     if (m_whenCollidingWith != arg) {
         m_whenCollidingWith = arg;
diff --git a/src/particles/qquickparticleemitter_p.h b/src/particles/qquickparticleemitter_p.h
index edca86d53d..e39310aec2 100644
--- a/src/particles/qquickparticleemitter_p.h
+++ b/src/particles/qquickparticleemitter_p.h
@@ -126,7 +126,7 @@ Q_SIGNALS:
 
     void systemChanged(QQuickParticleSystem* arg);
 
-    void groupChanged(QString arg);
+    void groupChanged(const QString &arg);
 
     void particleDurationVariationChanged(int arg);
 
@@ -182,7 +182,7 @@ public Q_SLOTS:
         }
     }
 
-    void setGroup(QString arg)
+    void setGroup(const QString &arg)
     {
         if (m_group != arg) {
             m_group = arg;
diff --git a/src/particles/qquickparticlepainter_p.h b/src/particles/qquickparticlepainter_p.h
index cedf4cab52..ff1b8839e5 100644
--- a/src/particles/qquickparticlepainter_p.h
+++ b/src/particles/qquickparticlepainter_p.h
@@ -80,12 +80,12 @@ Q_SIGNALS:
     void countChanged();
     void systemChanged(QQuickParticleSystem* arg);
 
-    void groupsChanged(QStringList arg);
+    void groupsChanged(const QStringList &arg);
 
 public Q_SLOTS:
     void setSystem(QQuickParticleSystem* arg);
 
-    void setGroups(QStringList arg)
+    void setGroups(const QStringList &arg)
     {
         if (m_groups != arg) {
             m_groups = arg;
diff --git a/src/particles/qquickspritegoal.cpp b/src/particles/qquickspritegoal.cpp
index 08c57f3d45..7c0a8deaff 100644
--- a/src/particles/qquickspritegoal.cpp
+++ b/src/particles/qquickspritegoal.cpp
@@ -108,7 +108,7 @@ void QQuickSpriteGoalAffector::updateStateIndex(QQuickStochasticEngine* e)
     }
 }
 
-void QQuickSpriteGoalAffector::setGoalState(QString arg)
+void QQuickSpriteGoalAffector::setGoalState(const QString &arg)
 {
     if (m_goalState != arg) {
         m_goalState = arg;
diff --git a/src/particles/qquickspritegoal_p.h b/src/particles/qquickspritegoal_p.h
index c5c7539b58..eb7850a8f7 100644
--- a/src/particles/qquickspritegoal_p.h
+++ b/src/particles/qquickspritegoal_p.h
@@ -75,7 +75,7 @@ protected:
     virtual bool affectParticle(QQuickParticleData *d, qreal dt);
 Q_SIGNALS:
 
-    void goalStateChanged(QString arg);
+    void goalStateChanged(const QString &arg);
 
     void jumpChanged(bool arg);
 
@@ -83,7 +83,7 @@ Q_SIGNALS:
 
 public Q_SLOTS:
 
-void setGoalState(QString arg);
+void setGoalState(const QString &arg);
 
 void setJump(bool arg)
 {
diff --git a/src/particles/qquicktrailemitter_p.h b/src/particles/qquicktrailemitter_p.h
index f3f6884417..31a95a42e0 100644
--- a/src/particles/qquicktrailemitter_p.h
+++ b/src/particles/qquicktrailemitter_p.h
@@ -99,7 +99,7 @@ Q_SIGNALS:
 
     void emitterYVariationChanged(qreal arg);
 
-    void followChanged(QString arg);
+    void followChanged(const QString &arg);
 
     void emissionShapeChanged(QQuickParticleExtruder* arg);
 
@@ -128,7 +128,7 @@ public Q_SLOTS:
         }
     }
 
-    void setFollow(QString arg)
+    void setFollow(const QString &arg)
     {
         if (m_follow != arg) {
             m_follow = arg;