- ui::Widget m_btn_left = ui::Button();
- ui::Widget m_btn_right = ui::Button();
- ui::Widget m_arrow_left = ui::Widget(gtk_arrow_new( GTK_ARROW_LEFT, GTK_SHADOW_OUT ));
- ui::Widget m_arrow_right = ui::Widget(gtk_arrow_new( GTK_ARROW_RIGHT, GTK_SHADOW_OUT ));
- gtk_container_add( GTK_CONTAINER( m_btn_left ), m_arrow_left );
- gtk_container_add( GTK_CONTAINER( m_btn_right ), m_arrow_right );
+ auto m_btn_left = ui::Button();
+ auto m_btn_right = ui::Button();
+ auto m_arrow_left = ui::Widget(gtk_arrow_new( GTK_ARROW_LEFT, GTK_SHADOW_OUT ));
+ auto m_arrow_right = ui::Widget(gtk_arrow_new( GTK_ARROW_RIGHT, GTK_SHADOW_OUT ));
+ m_btn_left.add(m_arrow_left);
+ m_btn_right.add(m_arrow_right);