const-reference large types

3 files changed, 3 insertions, 3 deletions

diff --git a/src/dialogs/certificateselectiondialog.cpp b/src/dialogs/certificateselectiondialog.cpp
index 4caf988..2c08110 100644
--- a/src/dialogs/certificateselectiondialog.cpp
+++ b/src/dialogs/certificateselectiondialog.cpp
@@ -63,7 +63,7 @@ void CertificateSelectionDialog::on_use_temp_cert_48h_clicked()
     acceptTemporaryWithTimeout(QDateTime::currentDateTime().addDays(2));
 }
 
-void CertificateSelectionDialog::acceptTemporaryWithTimeout(QDateTime timeout)
+void CertificateSelectionDialog::acceptTemporaryWithTimeout(const QDateTime &timeout)
 {
     std::default_random_engine rng;
     rng.seed(QDateTime::currentDateTime().toMSecsSinceEpoch());
diff --git a/src/dialogs/certificateselectiondialog.hpp b/src/dialogs/certificateselectiondialog.hpp
index e628f5c..117e991 100644
--- a/src/dialogs/certificateselectiondialog.hpp
+++ b/src/dialogs/certificateselectiondialog.hpp
@@ -41,7 +41,7 @@ private slots:
 private:
     //! Creates an anonymous identity with a randomly chosen name that
     //! will time out on `timeout`, then accepts the dialog.
-    void acceptTemporaryWithTimeout(QDateTime timeout);
+    void acceptTemporaryWithTimeout(const QDateTime &timeout);
 
 
     void on_currentChanged(const QModelIndex &current, const QModelIndex &previous);
diff --git a/src/dialogs/settingsdialog.cpp b/src/dialogs/settingsdialog.cpp
index 8a319d2..6024a04 100644
--- a/src/dialogs/settingsdialog.cpp
+++ b/src/dialogs/settingsdialog.cpp
@@ -105,7 +105,7 @@ void SettingsDialog::setGeminiStyle(DocumentStyle const &style)
 
     this->ui->page_margin->setValue(this->current_style.margin);
 
-    auto setFontAndColor = [this](QLabel * label, QFont font, QColor color)
+    auto setFontAndColor = [this](QLabel * label, const QFont &font, QColor color)
     {
         label->setText(formatFont(font));
         label->setStyleSheet(COLOR_STYLE