clear search field when reopening settings

src/widgets/dialogs/SettingsDialog.cpp

@@ -285,6 +285,11 @@ void SettingsDialog::themeChangedEvent()
     this->setPalette(palette);
 }
 
+void SettingsDialog::showEvent(QShowEvent *)
+{
+    this->ui_.search->setText("");
+}
+
 ///// Widget creation helpers
 void SettingsDialog::onOkClicked()
 {

src/widgets/dialogs/SettingsDialog.hpp

@@ -39,6 +39,7 @@ public:
 protected:
     virtual void scaleChangedEvent(float newDpi) override;
     virtual void themeChangedEvent() override;
+    virtual void showEvent(QShowEvent *) override;
 
 private:
     static SettingsDialog *handle;