Add explicit to constructors with 1 argument

src/plugins/QuickCommands/quickcommandsmodel.h

@@ -14,7 +14,7 @@ class QuickCommandsModel : public QStandardItemModel
     Q_OBJECT
 public:
     enum Roles { QuickCommandRole = Qt::UserRole + 1 };
-    QuickCommandsModel(QObject *parent = nullptr);
+    explicit QuickCommandsModel(QObject *parent = nullptr);
     ~QuickCommandsModel() override;
 
     QStringList groups() const;

src/plugins/QuickCommands/quickcommandswidget.h

@@ -22,7 +22,7 @@ class QuickCommandsWidget : public QWidget
 {
     Q_OBJECT
 public:
-    QuickCommandsWidget(QWidget *parent = nullptr);
+    explicit QuickCommandsWidget(QWidget *parent = nullptr);
     ~QuickCommandsWidget() override;
 
     Q_SLOT void viewMode();

src/plugins/SSHManager/sshmanagermodel.h

@@ -31,7 +31,7 @@ public:
         SSHRole = Qt::UserRole + 1,
     };
 
-    SSHManagerModel(QObject *parent = nullptr);
+    explicit SSHManagerModel(QObject *parent = nullptr);
     ~SSHManagerModel() override;
 
     void setSessionController(Konsole::SessionController *controller);

src/plugins/SSHManager/sshmanagerpluginwidget.h

@@ -28,7 +28,7 @@ class SSHManagerTreeWidget : public QWidget
 {
     Q_OBJECT
 public:
-    SSHManagerTreeWidget(QWidget *parent = nullptr);
+    explicit SSHManagerTreeWidget(QWidget *parent = nullptr);
     ~SSHManagerTreeWidget() override;
 
     // shows the panel for add a new ssh info.