panels: override Retranslate() rather than reimplementing changeEvent() in every derivative

app/panel/audiomonitor/audiomonitor.cpp

@@ -13,14 +13,6 @@ AudioMonitorPanel::AudioMonitorPanel(QWidget *parent) :
   Retranslate();
 }
 
-void AudioMonitorPanel::changeEvent(QEvent *e)
-{
-  if (e->type() == QEvent::LanguageChange) {
-    Retranslate();
-  }
-  PanelWidget::changeEvent(e);
-}
-
 void AudioMonitorPanel::Retranslate()
 {
   SetTitle(tr("Audio Monitor"));

app/panel/audiomonitor/audiomonitor.h

@@ -12,13 +12,11 @@ class AudioMonitorPanel : public PanelWidget
 public:
   AudioMonitorPanel(QWidget* parent = nullptr);
 
-protected:
-  virtual void changeEvent(QEvent* e) override;
-
 private:
-  void Retranslate();
+  virtual void Retranslate() override;
 
   AudioMonitor* audio_monitor_;
+
 };
 
 #endif // AUDIOMONITORPANEL_H

app/panel/node/node.cpp

@@ -49,14 +49,6 @@ void NodePanel::DeleteSelected()
   node_view_->DeleteSelected();
 }
 
-void NodePanel::changeEvent(QEvent *e)
-{
-  if (e->type() == QEvent::LanguageChange) {
-    Retranslate();
-  }
-  PanelWidget::changeEvent(e);
-}
-
 void NodePanel::Retranslate()
 {
   SetTitle(tr("Node Editor"));

app/panel/node/node.h

@@ -37,9 +37,6 @@ public:
 
   virtual void DeleteSelected() override;
 
-protected:
-  virtual void changeEvent(QEvent* e) override;
-
 signals:
   /**
    * @brief Wrapper for NodeView::SelectionChanged()
@@ -47,7 +44,7 @@ signals:
   void SelectionChanged(QList<Node*> selected_nodes);
 
 private:
-  void Retranslate();
+  virtual void Retranslate() override;
 
   NodeView* node_view_;
 };

app/panel/project/project.cpp

@@ -108,14 +108,6 @@ void ProjectPanel::Edit(Item* item)
   explorer_->Edit(item);
 }
 
-void ProjectPanel::changeEvent(QEvent *e)
-{
-  if (e->type() == QEvent::LanguageChange) {
-    Retranslate();
-  }
-  PanelWidget::changeEvent(e);
-}
-
 void ProjectPanel::Retranslate()
 {
   SetTitle(tr("Project"));

app/panel/project/project.h

@@ -46,11 +46,8 @@ public:
 public slots:
   void Edit(Item *item);
 
-protected:
-  virtual void changeEvent(QEvent* e) override;
-
 private:
-  void Retranslate();
+  virtual void Retranslate() override;
 
   ProjectExplorer* explorer_;
 

app/panel/taskmanager/taskmanager.cpp

@@ -41,14 +41,6 @@ TaskManagerPanel::TaskManagerPanel(QWidget* parent) :
   Retranslate();
 }
 
-void TaskManagerPanel::changeEvent(QEvent *e)
-{
-  if (e->type() == QEvent::LanguageChange) {
-    Retranslate();
-  }
-  PanelWidget::changeEvent(e);
-}
-
 void TaskManagerPanel::Retranslate()
 {
   SetTitle(tr("Task Manager"));

app/panel/taskmanager/taskmanager.h

@@ -33,11 +33,8 @@ class TaskManagerPanel : public PanelWidget
 public:
   TaskManagerPanel(QWidget* parent);
 
-protected:
-  virtual void changeEvent(QEvent* e) override;
-
 private:
-  void Retranslate();
+  virtual void Retranslate() override;
 
   TaskView* view_;
 };