+ void on_tab_changed(int index);
+ void on_tab_close_requested(int index);
+
+ void on_view_coloured_bg_shortcut();
+ void on_view_sticky_scrolling_shortcut();
+ void on_view_show_sampling_points_shortcut();
+ void on_view_show_analog_minor_grid_shortcut();
+
+ void on_settingViewColouredBg_changed(const QVariant new_value);
+ void on_settingViewShowSamplingPoints_changed(const QVariant new_value);
+ void on_settingViewShowAnalogMinorGrid_changed(const QVariant new_value);
+
+ void on_close_current_tab();