associate label more closely with VST path button. the plugin tab needs a complete...
[ardour.git] / gtk2_ardour / rc_option_editor.cc
index fce5a4a780fb015665e818ea365f3948e8c4b9b1..a6e76bda2a181448d61d2d1e78e07a2f63d3fb17 100644 (file)
@@ -50,7 +50,6 @@
 
 #include "canvas/wave_view.h"
 
-#include "ardour_ui.h"
 #include "ardour_window.h"
 #include "ardour_dialog.h"
 #include "gui_thread.h"
@@ -952,12 +951,11 @@ private:
 class FontScalingOptions : public OptionEditorBox
 {
 public:
-       FontScalingOptions (UIConfiguration* uic) :
-               _ui_config (uic),
+       FontScalingOptions () :
                _dpi_adjustment (100, 50, 250, 1, 5),
                _dpi_slider (_dpi_adjustment)
        {
-               _dpi_adjustment.set_value (_ui_config->get_font_scale() / 1024.);
+               _dpi_adjustment.set_value (UIConfiguration::instance().get_font_scale() / 1024.);
 
                Label* l = manage (new Label (_("GUI and Font scaling:")));
                l->set_name ("OptionsLabel");
@@ -996,7 +994,7 @@ public:
        void parameter_changed (string const & p)
        {
                if (p == "font-scale") {
-                       _dpi_adjustment.set_value (_ui_config->get_font_scale() / 1024.);
+                       _dpi_adjustment.set_value (UIConfiguration::instance().get_font_scale() / 1024.);
                }
        }
 
@@ -1009,12 +1007,11 @@ private:
 
        void dpi_changed ()
        {
-               _ui_config->set_font_scale ((long) floor (_dpi_adjustment.get_value() * 1024.));
+               UIConfiguration::instance().set_font_scale ((long) floor (_dpi_adjustment.get_value() * 1024.));
                /* XXX: should be triggered from the parameter changed signal */
-               reset_dpi ();
+               UIConfiguration::instance().reset_dpi ();
        }
 
-       UIConfiguration* _ui_config;
        Adjustment _dpi_adjustment;
        HScale _dpi_slider;
 };
@@ -1022,12 +1019,11 @@ private:
 class ClipLevelOptions : public OptionEditorBox
 {
 public:
-       ClipLevelOptions (UIConfiguration* c) 
-               : _ui_config (c)
-               , _clip_level_adjustment (-.5, -50.0, 0.0, 0.1, 1.0) /* units of dB */
+       ClipLevelOptions () 
+               : _clip_level_adjustment (-.5, -50.0, 0.0, 0.1, 1.0) /* units of dB */
                , _clip_level_slider (_clip_level_adjustment)
        {
-               _clip_level_adjustment.set_value (_ui_config->get_waveform_clip_level ());
+               _clip_level_adjustment.set_value (UIConfiguration::instance().get_waveform_clip_level ());
 
                Label* l = manage (new Label (_("Waveform Clip Level (dBFS):")));
                l->set_name ("OptionsLabel");
@@ -1046,7 +1042,7 @@ public:
        void parameter_changed (string const & p)
        {
                if (p == "waveform-clip-level") {
-                       _clip_level_adjustment.set_value (_ui_config->get_waveform_clip_level());
+                       _clip_level_adjustment.set_value (UIConfiguration::instance().get_waveform_clip_level());
                }
        }
 
@@ -1059,12 +1055,11 @@ private:
 
        void clip_level_changed ()
        {
-               _ui_config->set_waveform_clip_level (_clip_level_adjustment.get_value());
+               UIConfiguration::instance().set_waveform_clip_level (_clip_level_adjustment.get_value());
                /* XXX: should be triggered from the parameter changed signal */
                ArdourCanvas::WaveView::set_clip_level (_clip_level_adjustment.get_value());
        }
 
-       UIConfiguration* _ui_config;
        Adjustment _clip_level_adjustment;
        HScale _clip_level_slider;
 };
@@ -1507,9 +1502,8 @@ private:
 class PluginOptions : public OptionEditorBox
 {
 public:
-       PluginOptions (RCConfiguration* c, UIConfiguration* uic)
+       PluginOptions (RCConfiguration* c)
                : _rc_config (c)
-               , _ui_config (uic)
                , _display_plugin_scan_progress (_("Always Display Plugin Scan Progress"))
                , _discover_vst_on_start (_("Scan for [new] VST Plugins on Application Start"))
                , _discover_au_on_start (_("Scan for AudioUnit Plugins on Application Start"))
@@ -1575,14 +1569,14 @@ public:
                                            _("<b>When enabled</b> new VST plugins are searched, tested and added to the cache index on application start. When disabled new plugins will only be available after triggering a 'Scan' manually"));
 
 #ifdef LXVST_SUPPORT
-               t->attach (*manage (left_aligned_label (_("Linux VST Path:"))), 0, 1, n, n+1);
+               t->attach (*manage (right_aligned_label (_("Linux VST Path:"))), 0, 1, n, n+1);
                b = manage (new Button (_("Edit")));
                b->signal_clicked().connect (sigc::mem_fun (*this, &PluginOptions::edit_lxvst_path_clicked));
                t->attach (*b, 1, 2, n, n+1, FILL); ++n;
 #endif
 
 #ifdef WINDOWS_VST_SUPPORT
-               t->attach (*manage (left_aligned_label (_("Windows VST Path:"))), 0, 1, n, n+1);
+               t->attach (*manage (right_aligned_label (_("Windows VST Path:"))), 0, 1, n, n+1);
                b = manage (new Button (_("Edit")));
                b->signal_clicked().connect (sigc::mem_fun (*this, &PluginOptions::edit_vst_path_clicked));
                t->attach (*b, 1, 2, n, n+1, FILL); ++n;
@@ -1624,7 +1618,7 @@ public:
 
        void parameter_changed (string const & p) {
                if (p == "show-plugin-scan-window") {
-                       bool const x = _ui_config->get_show_plugin_scan_window();
+                       bool const x = UIConfiguration::instance().get_show_plugin_scan_window();
                        _display_plugin_scan_progress.set_active (x);
                }
                else if (p == "discover-vst-on-start") {
@@ -1655,7 +1649,6 @@ public:
 
 private:
        RCConfiguration* _rc_config;
-       UIConfiguration* _ui_config;
        CheckButton _display_plugin_scan_progress;
        CheckButton _discover_vst_on_start;
        CheckButton _discover_au_on_start;
@@ -1665,7 +1658,7 @@ private:
 
        void display_plugin_scan_progress_toggled () {
                bool const x = _display_plugin_scan_progress.get_active();
-               _ui_config->set_show_plugin_scan_window(x);
+               UIConfiguration::instance().set_show_plugin_scan_window(x);
        }
 
        void discover_vst_on_start_toggled () {
@@ -1805,7 +1798,6 @@ private:
 RCOptionEditor::RCOptionEditor ()
        : OptionEditor (Config, string_compose (_("%1 Preferences"), PROGRAM_NAME))
         , _rc_config (Config)
-       , _ui_config (ARDOUR_UI::config())
        , _mixer_strip_visibility ("mixer-element-visibility")
 {
        /* MISC */
@@ -1862,8 +1854,8 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "only-copy-imported-files",
                     _("Always copy imported files"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_only_copy_imported_files),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_only_copy_imported_files)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_only_copy_imported_files),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_only_copy_imported_files)
                     ));
 
        add_option (_("Misc"), new DirectoryOption (
@@ -2131,8 +2123,8 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "draggable-playhead",
                     _("Allow dragging of playhead"),
-                    sigc::mem_fun (*ARDOUR_UI::config(), &UIConfiguration::get_draggable_playhead),
-                    sigc::mem_fun (*ARDOUR_UI::config(), &UIConfiguration::set_draggable_playhead)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_draggable_playhead),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_draggable_playhead)
                     ));
 
        add_option (_("Editor"),
@@ -2147,16 +2139,16 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "show-track-meters",
                     _("Show meters on tracks in the editor"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_show_track_meters),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_show_track_meters)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_show_track_meters),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_track_meters)
                     ));
 
        add_option (_("Editor"),
             new BoolOption (
                     "show-editor-meter",
                     _("Display master-meter in the toolbar"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_show_editor_meter),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_show_editor_meter)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_show_editor_meter),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_editor_meter)
                     ));
 
        ComboOption<FadeShape>* fadeshape = new ComboOption<FadeShape> (
@@ -2204,16 +2196,16 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "rubberbanding-snaps-to-grid",
                     _("Make rubberband selection rectangle snap to the grid"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_rubberbanding_snaps_to_grid),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_rubberbanding_snaps_to_grid)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_rubberbanding_snaps_to_grid),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_rubberbanding_snaps_to_grid)
                     ));
 
        add_option (_("Editor"),
             new BoolOption (
                     "show-waveforms",
                     _("Show waveforms in regions"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_show_waveforms),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_show_waveforms)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_show_waveforms),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_waveforms)
                     ));
 
        add_option (_("Editor"),
@@ -2222,15 +2214,15 @@ RCOptionEditor::RCOptionEditor ()
                     _("Show gain envelopes in audio regions"),
                     _("in all modes"),
                     _("only in Draw and Internal Edit modes"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_show_region_gain),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_show_region_gain)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_show_region_gain),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_region_gain)
                     ));
 
        ComboOption<WaveformScale>* wfs = new ComboOption<WaveformScale> (
                "waveform-scale",
                _("Waveform scale"),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::get_waveform_scale),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::set_waveform_scale)
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_waveform_scale),
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_waveform_scale)
                );
 
        wfs->add (Linear, _("linear"));
@@ -2241,8 +2233,8 @@ RCOptionEditor::RCOptionEditor ()
        ComboOption<WaveformShape>* wfsh = new ComboOption<WaveformShape> (
                "waveform-shape",
                _("Waveform shape"),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::get_waveform_shape),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::set_waveform_shape)
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_waveform_shape),
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_waveform_shape)
                );
 
        wfsh->add (Traditional, _("traditional"));
@@ -2250,37 +2242,37 @@ RCOptionEditor::RCOptionEditor ()
 
        add_option (_("Editor"), wfsh);
 
-       add_option (_("Editor"), new ClipLevelOptions (_ui_config));
+       add_option (_("Editor"), new ClipLevelOptions ());
 
        add_option (_("Editor"),
             new BoolOption (
                     "show-waveforms-while-recording",
                     _("Show waveforms for audio while it is being recorded"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_show_waveforms_while_recording),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_show_waveforms_while_recording)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_show_waveforms_while_recording),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_waveforms_while_recording)
                     ));
 
        add_option (_("Editor"),
                    new BoolOption (
                            "show-zoom-tools",
                            _("Show zoom toolbar"),
-                           sigc::mem_fun (*_ui_config, &UIConfiguration::get_show_zoom_tools),
-                           sigc::mem_fun (*_ui_config, &UIConfiguration::set_show_zoom_tools)
+                           sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_show_zoom_tools),
+                           sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_zoom_tools)
                            ));
 
        add_option (_("Editor"),
                    new BoolOption (
                            "update-editor-during-summary-drag",
                            _("Update editor window during drags of the summary"),
-                           sigc::mem_fun (*_ui_config, &UIConfiguration::get_update_editor_during_summary_drag),
-                           sigc::mem_fun (*_ui_config, &UIConfiguration::set_update_editor_during_summary_drag)
+                           sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_update_editor_during_summary_drag),
+                           sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_update_editor_during_summary_drag)
                            ));
 
        bo = new BoolOption (
                     "name-new-markers",
                     _("Name new markers"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_name_new_markers),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_name_new_markers)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_name_new_markers),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_name_new_markers)
                );
        
        add_option (_("Editor"), bo);
@@ -2291,8 +2283,8 @@ RCOptionEditor::RCOptionEditor ()
            new BoolOption (
                    "autoscroll-editor",
                    _("Auto-scroll editor window when dragging near its edges"),
-                   sigc::mem_fun (*_ui_config, &UIConfiguration::get_autoscroll_editor),
-                   sigc::mem_fun (*_ui_config, &UIConfiguration::set_autoscroll_editor)
+                   sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_autoscroll_editor),
+                   sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_autoscroll_editor)
                    ));
 
        ComboOption<RegionSelectionAfterSplit> *rsas = new ComboOption<RegionSelectionAfterSplit> (
@@ -2693,16 +2685,16 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "never-display-periodic-midi",
                     _("Never display periodic MIDI messages (MTC, MIDI Clock)"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_never_display_periodic_midi),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_never_display_periodic_midi)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_never_display_periodic_midi),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_never_display_periodic_midi)
                     ));
 
        add_option (_("MIDI"),
             new BoolOption (
                     "sound-midi-notes",
                     _("Sound MIDI notes as they are selected"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_sound_midi_notes),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_sound_midi_notes)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_sound_midi_notes),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_sound_midi_notes)
                     ));
 
        add_option (_("MIDI"), new OptionEditorHeading (_("Midi Audition")));
@@ -2775,30 +2767,30 @@ RCOptionEditor::RCOptionEditor ()
 
 #if (defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT || defined AUDIOUNIT_SUPPORT)
        /* Plugin options (currrently VST only) */
-       add_option (_("Plugins"), new PluginOptions (_rc_config, _ui_config));
+       add_option (_("Plugins"), new PluginOptions (_rc_config));
 #endif
 
        /* INTERFACE */
 
 #ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
-       BoolOption* bgo = new BoolOption (
+       BoolOption* bgc = new BoolOption (
                "cairo-image-surface",
                _("Disable Graphics Hardware Acceleration (requires restart)"),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::get_cairo_image_surface),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::set_cairo_image_surface)
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_cairo_image_surface),
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_cairo_image_surface)
                );
 
-       Gtkmm2ext::UI::instance()->set_tip (bgo->tip_widget(), string_compose (
+       Gtkmm2ext::UI::instance()->set_tip (bgc->tip_widget(), string_compose (
                                _("Render large parts of the application user-interface in software, instead of using 2D-graphics acceleration.\nThis requires restarting %1 before having an effect"), PROGRAM_NAME));
-       add_option (S_("Preferences|GUI"), bgo);
+       add_option (S_("Preferences|GUI"), bgc);
 #endif
 
 #ifdef CAIRO_SUPPORTS_FORCE_BUGGY_GRADIENTS_ENVIRONMENT_VARIABLE
        BoolOption* bgo = new BoolOption (
                "buggy-gradients",
                _("Possibly improve slow graphical performance (requires restart)"),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::get_buggy_gradients),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::set_buggy_gradients)
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_buggy_gradients),
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_buggy_gradients)
                );
 
        Gtkmm2ext::UI::instance()->set_tip (bgo->tip_widget(), string_compose (_("Disables hardware gradient rendering on buggy video drivers (\"buggy gradients patch\").\nThis requires restarting %1 before having an effect"), PROGRAM_NAME));
@@ -2809,8 +2801,8 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "widget-prelight",
                     _("Graphically indicate mouse pointer hovering over various widgets"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_widget_prelight),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_widget_prelight)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_widget_prelight),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_widget_prelight)
                     ));
 
 #ifdef TOOLTIPS_GOT_FIXED
@@ -2818,8 +2810,8 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "use-tooltips",
                     _("Show tooltips if mouse hovers over a control"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_use_tooltips),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_use_tooltips)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_use_tooltips),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_use_tooltips)
                     ));
 #endif
 
@@ -2827,21 +2819,21 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "show-name-highlight",
                     _("Use name highlight bars in region displays (requires a restart)"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_show_name_highlight),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_show_name_highlight)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_show_name_highlight),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_name_highlight)
                     ));
 
 #ifndef GTKOSX
        /* font scaling does nothing with GDK/Quartz */
-       add_option (S_("Preferences|GUI"), new FontScalingOptions (_ui_config));
+       add_option (S_("Preferences|GUI"), new FontScalingOptions ());
 #endif
 
        add_option (S_("GUI"),
                    new BoolOption (
                            "super-rapid-clock-update",
                            _("update transport clock display at FPS instead of every 100ms"),
-                           sigc::mem_fun (*_ui_config, &UIConfiguration::get_super_rapid_clock_update),
-                           sigc::mem_fun (*_ui_config, &UIConfiguration::set_super_rapid_clock_update)
+                           sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_super_rapid_clock_update),
+                           sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_super_rapid_clock_update)
                            ));
 
 
@@ -2851,8 +2843,8 @@ RCOptionEditor::RCOptionEditor ()
        HSliderOption *sics = new HSliderOption("waveform-cache-size",
                                                _("Waveform image cache size (megabytes)"),
                                                ics,
-                                               sigc::mem_fun (*ARDOUR_UI::config(), &UIConfiguration::get_waveform_cache_size),
-                                               sigc::mem_fun (*ARDOUR_UI::config(), &UIConfiguration::set_waveform_cache_size)
+                                               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_waveform_cache_size),
+                                               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_waveform_cache_size)
                        );
        sics->scale().set_digits (0);
        Gtkmm2ext::UI::instance()->set_tip
@@ -2866,8 +2858,8 @@ RCOptionEditor::RCOptionEditor ()
        HSliderOption *slts = new HSliderOption("lock-gui-after-seconds",
                                                _("Lock timeout (seconds)"),
                                                lts,
-                                               sigc::mem_fun (*ARDOUR_UI::config(), &UIConfiguration::get_lock_gui_after_seconds),
-                                               sigc::mem_fun (*ARDOUR_UI::config(), &UIConfiguration::set_lock_gui_after_seconds)
+                                               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_lock_gui_after_seconds),
+                                               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_lock_gui_after_seconds)
                        );
        slts->scale().set_digits (0);
        Gtkmm2ext::UI::instance()->set_tip
@@ -2890,8 +2882,8 @@ RCOptionEditor::RCOptionEditor ()
                new VisibilityOption (
                        _("Mixer Strip"),
                        &_mixer_strip_visibility,
-                       sigc::mem_fun (*_ui_config, &UIConfiguration::get_mixer_strip_visibility),
-                       sigc::mem_fun (*_ui_config, &UIConfiguration::set_mixer_strip_visibility)
+                       sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_mixer_strip_visibility),
+                       sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_mixer_strip_visibility)
                        )
                );
 
@@ -2899,8 +2891,8 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "default-narrow_ms",
                     _("Use narrow strips in the mixer by default"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_default_narrow_ms),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_default_narrow_ms)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_default_narrow_ms),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_default_narrow_ms)
                     ));
 
        add_option (S_("Preferences|Metering"), new OptionEditorHeading (_("Metering")));
@@ -2908,8 +2900,8 @@ RCOptionEditor::RCOptionEditor ()
        ComboOption<float>* mht = new ComboOption<float> (
                "meter-hold",
                _("Peak hold time"),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::get_meter_hold),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::set_meter_hold)
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_meter_hold),
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_meter_hold)
                );
 
        mht->add (MeterHoldOff, _("off"));
@@ -2939,8 +2931,8 @@ RCOptionEditor::RCOptionEditor ()
        ComboOption<MeterLineUp>* mlu = new ComboOption<MeterLineUp> (
                "meter-line-up-level",
                _("Meter line-up level; 0dBu"),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::get_meter_line_up_level),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::set_meter_line_up_level)
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_meter_line_up_level),
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_meter_line_up_level)
                );
 
        mlu->add (MeteringLineUp24, _("-24dBFS (SMPTE US: 4dBu = -20dBFS)"));
@@ -2955,8 +2947,8 @@ RCOptionEditor::RCOptionEditor ()
        ComboOption<MeterLineUp>* mld = new ComboOption<MeterLineUp> (
                "meter-line-up-din",
                _("IEC1/DIN Meter line-up level; 0dBu"),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::get_meter_line_up_din),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::set_meter_line_up_din)
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_meter_line_up_din),
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_meter_line_up_din)
                );
 
        mld->add (MeteringLineUp24, _("-24dBFS (SMPTE US: 4dBu = -20dBFS)"));
@@ -2971,8 +2963,8 @@ RCOptionEditor::RCOptionEditor ()
        ComboOption<VUMeterStandard>* mvu = new ComboOption<VUMeterStandard> (
                "meter-vu-standard",
                _("VU Meter standard"),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::get_meter_vu_standard),
-               sigc::mem_fun (*_ui_config, &UIConfiguration::set_meter_vu_standard)
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_meter_vu_standard),
+               sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_meter_vu_standard)
                );
 
        mvu->add (MeteringVUfrench,   _("0VU = -2dBu (France)"));
@@ -2986,8 +2978,8 @@ RCOptionEditor::RCOptionEditor ()
        HSliderOption *mpks = new HSliderOption("meter-peak",
                        _("Peak threshold [dBFS]"),
                        mpk,
-                       sigc::mem_fun (*_ui_config, &UIConfiguration::get_meter_peak),
-                       sigc::mem_fun (*_ui_config, &UIConfiguration::set_meter_peak)
+                       sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_meter_peak),
+                       sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_meter_peak)
                        );
 
 
@@ -3048,8 +3040,8 @@ RCOptionEditor::RCOptionEditor ()
             new BoolOption (
                     "meter-style-led",
                     _("LED meter style"),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::get_meter_style_led),
-                    sigc::mem_fun (*_ui_config, &UIConfiguration::set_meter_style_led)
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_meter_style_led),
+                    sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_meter_style_led)
                     ));
 
        /* and now the theme manager */