derive all toolbars from Inkscape::Toolbar

1 files changed, 213 insertions, 166 deletions

diff --git a/src/ui/toolbar/eraser-toolbar.cpp b/src/ui/toolbar/eraser-toolbar.cpp
index ee28c127b..8950b6a58 100644
--- a/src/ui/toolbar/eraser-toolbar.cpp
+++ b/src/ui/toolbar/eraser-toolbar.cpp
@@ -48,89 +48,19 @@ using Inkscape::UI::PrefPusher;
 //##       Eraser       ##
 //########################
 
-// A dummy function for PrefPusher.
-// The code was calling the update_presets_list function in the calligraphy tool
-// which was immediately returning. TODO: Investigate this further.
-void eraser_update_presets_list(GObject *tbl)
-{
-    return;
-}
-
-static void sp_erc_width_value_changed( GtkAdjustment *adj, GObject *tbl )
-{
-    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-    prefs->setDouble( "/tools/eraser/width", gtk_adjustment_get_value(adj) );
-}
-
-static void sp_erc_mass_value_changed( GtkAdjustment *adj, GObject* tbl )
-{
-    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-    prefs->setDouble( "/tools/eraser/mass", gtk_adjustment_get_value(adj) );
-}
-
-static void sp_erc_velthin_value_changed( GtkAdjustment *adj, GObject* tbl )
-{
-    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-    prefs->setDouble("/tools/eraser/thinning", gtk_adjustment_get_value(adj) );
-}
-
-static void sp_erc_cap_rounding_value_changed( GtkAdjustment *adj, GObject* tbl )
-{
-    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-    prefs->setDouble( "/tools/eraser/cap_rounding", gtk_adjustment_get_value(adj) );
-}
-
-static void sp_erc_tremor_value_changed( GtkAdjustment *adj, GObject* tbl )
-{
-    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-    prefs->setDouble( "/tools/eraser/tremor", gtk_adjustment_get_value(adj) );
-}
-
-static void sp_set_tbl_eraser_mode_visibility(GObject *const tbl, const guint eraser_mode)
-{
-    gtk_action_set_visible( GTK_ACTION( g_object_get_data(tbl, "split") ), (eraser_mode == ERASER_MODE_CUT));
-
-    const gboolean visibility = (eraser_mode != ERASER_MODE_DELETE);
-    const std::array<const gchar *, 6> arr = {"cap_rounding", "mass", "thinning", "tremor", "usepressure", "width"};
-    for (const gchar * str : arr) {
-        gtk_action_set_visible( GTK_ACTION( g_object_get_data(tbl, str) ), visibility );
-    }
-}
-
-static void sp_erasertb_mode_changed( GObject *tbl, int mode )
-{
-    SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data( tbl, "desktop" ));
-    if (DocumentUndo::getUndoSensitive(desktop->getDocument())) {
-        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-        prefs->setInt( "/tools/eraser/mode", mode );
-    }
-    sp_set_tbl_eraser_mode_visibility(tbl, mode);
-
-    // only take action if run by the attr_changed listener
-    if (!g_object_get_data( tbl, "freeze" )) {
-        // in turn, prevent listener from responding
-        g_object_set_data( tbl, "freeze", GINT_TO_POINTER(TRUE) );
-
-        /*
-        if ( eraser_mode != ERASER_MODE_DELETE ) {
-        } else {
-        }
-        */
-        // TODO finish implementation
-
-        g_object_set_data( tbl, "freeze", GINT_TO_POINTER(FALSE) );
-    }
-}
 
-static void sp_toggle_break_apart( GtkToggleAction* act, gpointer data )
+namespace Inkscape {
+namespace UI {
+namespace Toolbar {
+EraserToolbar::~EraserToolbar()
 {
-    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-    gboolean active = gtk_toggle_action_get_active(act);
-    prefs->setBool("/tools/eraser/break_apart", active);
+    if(_pressure_pusher) delete _pressure_pusher;
 }
 
-void sp_eraser_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GObject* holder)
+GtkWidget *
+EraserToolbar::prep(SPDesktop *desktop, GtkActionGroup* mainActions)
 {
+    auto toolbar = new EraserToolbar(desktop);
     GtkIconSize secondarySize = ToolboxFactory::prefToSize("/toolbox/secondary", 1);
     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
     gint eraser_mode = ERASER_MODE_DELETE;
@@ -160,21 +90,20 @@ void sp_eraser_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GOb
         row[columns.col_icon     ] = INKSCAPE_ICON("path-intersection");
         row[columns.col_sensitive] = true;
 
-        InkSelectOneAction* act =
+        toolbar->_eraser_mode_action =
             InkSelectOneAction::create( "EraserModeAction",  // Name
                                         _("Mode"),           // Label
                                         "",                  // Tooltip
                                         "Not Used",          // Icon
                                         store );             // Tree store
-        act->use_radio( true );
-        act->use_group_label( true );
+        toolbar->_eraser_mode_action->use_radio( true );
+        toolbar->_eraser_mode_action->use_group_label( true );
         eraser_mode = prefs->getInt("/tools/eraser/mode", ERASER_MODE_CLIP); // Used at end
-        act->set_active( eraser_mode );
+        toolbar->_eraser_mode_action->set_active( eraser_mode );
 
-        gtk_action_group_add_action( mainActions, GTK_ACTION( act->gobj() ));
-        g_object_set_data( holder, "EraserModeAction", act );
+        gtk_action_group_add_action( mainActions, GTK_ACTION( toolbar->_eraser_mode_action->gobj() ));
 
-        act->signal_changed().connect(sigc::bind<0>(sigc::ptr_fun(&sp_erasertb_mode_changed), holder));
+        toolbar->_eraser_mode_action->signal_changed().connect(sigc::mem_fun(*toolbar, &EraserToolbar::mode_changed));
     }
 
 
@@ -182,32 +111,34 @@ void sp_eraser_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GOb
     {
         gchar const* labels[] = {_("(no width)"),_("(hairline)"), nullptr, nullptr, nullptr, _("(default)"), nullptr, nullptr, nullptr, nullptr, _("(broad stroke)")};
         gdouble values[] = {0, 1, 3, 5, 10, 15, 20, 30, 50, 75, 100};
-        EgeAdjustmentAction *eact = create_adjustment_action( "EraserWidthAction",
-                                                              _("Pen Width"), _("Width:"),
-                                                              _("The width of the eraser pen (relative to the visible canvas area)"),
-                                                              "/tools/eraser/width", 15,
-                                                              GTK_WIDGET(desktop->canvas), holder, TRUE, "altx-eraser",
-                                                              0, 100, 1.0, 10.0,
-                                                              labels, values, G_N_ELEMENTS(labels),
-                                                              sp_erc_width_value_changed, nullptr /*unit tracker*/, 1, 0);
-        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
-        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
-        g_object_set_data( holder, "width", eact );
-        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
+        toolbar->_width = create_adjustment_action( "EraserWidthAction",
+                                                    _("Pen Width"), _("Width:"),
+                                                    _("The width of the eraser pen (relative to the visible canvas area)"),
+                                                    "/tools/eraser/width", 15,
+                                                    GTK_WIDGET(desktop->canvas),
+                                                    nullptr, // dataKludge
+                                                    TRUE, "altx-eraser",
+                                                    0, 100, 1.0, 10.0,
+                                                    labels, values, G_N_ELEMENTS(labels),
+                                                    nullptr, // callback
+                                                    nullptr /*unit tracker*/, 1, 0);
+        toolbar->_width_adj = Glib::wrap(ege_adjustment_action_get_adjustment(toolbar->_width));
+        toolbar->_width_adj->signal_value_changed().connect(sigc::mem_fun(*toolbar, &EraserToolbar::width_value_changed));
+        ege_adjustment_action_set_appearance( toolbar->_width, TOOLBAR_SLIDER_HINT );
+        gtk_action_group_add_action( mainActions, GTK_ACTION(toolbar->_width) );
+        gtk_action_set_sensitive( GTK_ACTION(toolbar->_width), TRUE );
     }
 
 
     /* Use Pressure button */
     {
-        InkToggleAction* act = ink_toggle_action_new( "EraserPressureAction",
-                                                      _("Eraser Pressure"),
-                                                      _("Use the pressure of the input device to alter the width of the pen"),
-                                                      INKSCAPE_ICON("draw-use-pressure"),
-                                                      GTK_ICON_SIZE_MENU );
-        gtk_action_group_add_action( mainActions, GTK_ACTION( act ) );
-        PrefPusher *pusher = new PrefPusher(GTK_TOGGLE_ACTION(act), "/tools/eraser/usepressure", eraser_update_presets_list, holder);
-        g_signal_connect( holder, "destroy", G_CALLBACK(delete_prefspusher), pusher);
-        g_object_set_data( holder, "usepressure", act );
+        toolbar->_usepressure = ink_toggle_action_new( "EraserPressureAction",
+                                                       _("Eraser Pressure"),
+                                                       _("Use the pressure of the input device to alter the width of the pen"),
+                                                       INKSCAPE_ICON("draw-use-pressure"),
+                                                       GTK_ICON_SIZE_MENU );
+        gtk_action_group_add_action( mainActions, GTK_ACTION( toolbar->_usepressure ) );
+        toolbar->_pressure_pusher = new PrefPusher(GTK_TOGGLE_ACTION(toolbar->_usepressure), "/tools/eraser/usepressure", update_presets_list, (gpointer)toolbar);
     }
 
 
@@ -215,17 +146,21 @@ void sp_eraser_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GOb
     {
         gchar const* labels[] = {_("(speed blows up stroke)"), nullptr, nullptr, _("(slight widening)"), _("(constant width)"), _("(slight thinning, default)"), nullptr, nullptr, _("(speed deflates stroke)")};
         gdouble values[] = {-100, -40, -20, -10, 0, 10, 20, 40, 100};
-        EgeAdjustmentAction* eact = create_adjustment_action( "EraserThinningAction",
-                                                              _("Eraser Stroke Thinning"), _("Thinning:"),
-                                                              _("How much velocity thins the stroke (> 0 makes fast strokes thinner, < 0 makes them broader, 0 makes width independent of velocity)"),
-                                                              "/tools/eraser/thinning", 10,
-                                                              GTK_WIDGET(desktop->canvas), holder, FALSE, nullptr,
-                                                              -100, 100, 1, 10.0,
-                                                              labels, values, G_N_ELEMENTS(labels),
-                                                              sp_erc_velthin_value_changed, nullptr /*unit tracker*/, 1, 0);
-        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
-        g_object_set_data( holder, "thinning", eact );
-        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
+        toolbar->_thinning = create_adjustment_action( "EraserThinningAction",
+                                                       _("Eraser Stroke Thinning"), _("Thinning:"),
+                                                       _("How much velocity thins the stroke (> 0 makes fast strokes thinner, < 0 makes them broader, 0 makes width independent of velocity)"),
+                                                       "/tools/eraser/thinning", 10,
+                                                       GTK_WIDGET(desktop->canvas),
+                                                       nullptr, // dataKludge
+                                                       FALSE, nullptr,
+                                                       -100, 100, 1, 10.0,
+                                                       labels, values, G_N_ELEMENTS(labels),
+                                                       nullptr, // callback
+                                                       nullptr /*unit tracker*/, 1, 0);
+        toolbar->_thinning_adj = Glib::wrap(ege_adjustment_action_get_adjustment(toolbar->_thinning));
+        toolbar->_thinning_adj->signal_value_changed().connect(sigc::mem_fun(*toolbar, &EraserToolbar::velthin_value_changed));
+        gtk_action_group_add_action( mainActions, GTK_ACTION(toolbar->_thinning) );
+        gtk_action_set_sensitive( GTK_ACTION(toolbar->_thinning), TRUE );
     }
 
 
@@ -234,17 +169,21 @@ void sp_eraser_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GOb
             gchar const* labels[] = {_("(blunt caps, default)"), _("(slightly bulging)"), nullptr, nullptr, _("(approximately round)"), _("(long protruding caps)")};
         gdouble values[] = {0, 0.3, 0.5, 1.0, 1.4, 5.0};
         // TRANSLATORS: "cap" means "end" (both start and finish) here
-        EgeAdjustmentAction* eact = create_adjustment_action( "EraserCapRoundingAction",
-                                                              _("Eraser Cap rounding"), _("Caps:"),
-                                                              _("Increase to make caps at the ends of strokes protrude more (0 = no caps, 1 = round caps)"),
-                                                              "/tools/eraser/cap_rounding", 0.0,
-                                                              GTK_WIDGET(desktop->canvas), holder, FALSE, nullptr,
-                                                              0.0, 5.0, 0.01, 0.1,
-                                                              labels, values, G_N_ELEMENTS(labels),
-                                                              sp_erc_cap_rounding_value_changed, nullptr /*unit tracker*/, 0.01, 2 );
-        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
-        g_object_set_data( holder, "cap_rounding", eact );
-        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
+        toolbar->_cap_rounding = create_adjustment_action( "EraserCapRoundingAction",
+                                                           _("Eraser Cap rounding"), _("Caps:"),
+                                                           _("Increase to make caps at the ends of strokes protrude more (0 = no caps, 1 = round caps)"),
+                                                           "/tools/eraser/cap_rounding", 0.0,
+                                                           GTK_WIDGET(desktop->canvas),
+                                                           nullptr, // dataKludge
+                                                           FALSE, nullptr,
+                                                           0.0, 5.0, 0.01, 0.1,
+                                                           labels, values, G_N_ELEMENTS(labels),
+                                                           nullptr, // callback
+                                                           nullptr /*unit tracker*/, 0.01, 2 );
+        toolbar->_cap_rounding_adj = Glib::wrap(ege_adjustment_action_get_adjustment(toolbar->_cap_rounding));
+        toolbar->_cap_rounding_adj->signal_value_changed().connect(sigc::mem_fun(*toolbar, &EraserToolbar::cap_rounding_value_changed));
+        gtk_action_group_add_action( mainActions, GTK_ACTION(toolbar->_cap_rounding) );
+        gtk_action_set_sensitive( GTK_ACTION(toolbar->_cap_rounding), TRUE );
     }
 
 
@@ -252,55 +191,163 @@ void sp_eraser_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GOb
     {
         gchar const* labels[] = {_("(smooth line)"), _("(slight tremor)"), _("(noticeable tremor)"), nullptr, nullptr, _("(maximum tremor)")};
         gdouble values[] = {0, 10, 20, 40, 60, 100};
-        EgeAdjustmentAction* eact = create_adjustment_action( "EraserTremorAction",
-                                                              _("EraserStroke Tremor"), _("Tremor:"),
-                                                              _("Increase to make strokes rugged and trembling"),
-                                                              "/tools/eraser/tremor", 0.0,
-                                                              GTK_WIDGET(desktop->canvas), holder, FALSE, nullptr,
-                                                              0.0, 100, 1, 10.0,
-                                                              labels, values, G_N_ELEMENTS(labels),
-                                                              sp_erc_tremor_value_changed, nullptr /*unit tracker*/, 1, 0);
-
-        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
-        g_object_set_data( holder, "tremor", eact );
-        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
-        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
+        toolbar->_tremor = create_adjustment_action( "EraserTremorAction",
+                                                     _("EraserStroke Tremor"), _("Tremor:"),
+                                                     _("Increase to make strokes rugged and trembling"),
+                                                     "/tools/eraser/tremor", 0.0,
+                                                     GTK_WIDGET(desktop->canvas),
+                                                     nullptr, // dataKludge
+                                                     FALSE, nullptr,
+                                                     0.0, 100, 1, 10.0,
+                                                     labels, values, G_N_ELEMENTS(labels),
+                                                     nullptr, // callback
+                                                     nullptr /*unit tracker*/, 1, 0);
+        toolbar->_tremor_adj = Glib::wrap(ege_adjustment_action_get_adjustment(toolbar->_tremor));
+        toolbar->_tremor_adj->signal_value_changed().connect(sigc::mem_fun(*toolbar, &EraserToolbar::tremor_value_changed));
+
+        ege_adjustment_action_set_appearance( toolbar->_tremor, TOOLBAR_SLIDER_HINT );
+        gtk_action_group_add_action( mainActions, GTK_ACTION(toolbar->_tremor) );
+        gtk_action_set_sensitive( GTK_ACTION(toolbar->_tremor), TRUE );
     }
 
-
     /* Mass */
     {
-            gchar const* labels[] = {_("(no inertia)"), _("(slight smoothing, default)"), _("(noticeable lagging)"), nullptr, nullptr, _("(maximum inertia)")};
+        gchar const* labels[] = {_("(no inertia)"), _("(slight smoothing, default)"), _("(noticeable lagging)"), nullptr, nullptr, _("(maximum inertia)")};
         gdouble values[] = {0.0, 2, 10, 20, 50, 100};
-        EgeAdjustmentAction* eact = create_adjustment_action( "EraserMassAction",
-                                                              _("Eraser Mass"), _("Mass:"),
-                                                              _("Increase to make the eraser drag behind, as if slowed by inertia"),
-                                                              "/tools/eraser/mass", 10.0,
-                                                              GTK_WIDGET(desktop->canvas), holder, FALSE, nullptr,
-                                                              0.0, 100, 1, 10.0,
-                                                              labels, values, G_N_ELEMENTS(labels),
-                                                              sp_erc_mass_value_changed, nullptr /*unit tracker*/, 1, 0);
-        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
-        g_object_set_data( holder, "mass", eact );
-        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
-        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
+        toolbar->_mass = create_adjustment_action( "EraserMassAction",
+                                                   _("Eraser Mass"), _("Mass:"),
+                                                   _("Increase to make the eraser drag behind, as if slowed by inertia"),
+                                                   "/tools/eraser/mass", 10.0,
+                                                   GTK_WIDGET(desktop->canvas),
+                                                   nullptr, // dataKludge
+                                                   FALSE, nullptr,
+                                                   0.0, 100, 1, 10.0,
+                                                   labels, values, G_N_ELEMENTS(labels),
+                                                   nullptr, // callback
+                                                   nullptr /*unit tracker*/, 1, 0);
+        toolbar->_mass_adj = Glib::wrap(ege_adjustment_action_get_adjustment(toolbar->_mass));
+        toolbar->_mass_adj->signal_value_changed().connect(sigc::mem_fun(*toolbar, &EraserToolbar::mass_value_changed));
+        ege_adjustment_action_set_appearance( toolbar->_mass, TOOLBAR_SLIDER_HINT );
+        gtk_action_group_add_action( mainActions, GTK_ACTION(toolbar->_mass) );
+        gtk_action_set_sensitive( GTK_ACTION(toolbar->_mass), TRUE );
     }
 
-
     /* Overlap */
     {
-        InkToggleAction* act = ink_toggle_action_new( "EraserBreakAppart",
-                                                      _("Break apart cut items"),
-                                                      _("Break apart cut items"),
-                                                      INKSCAPE_ICON("distribute-randomize"),
-                                                      secondarySize );
-        gtk_toggle_action_set_active( GTK_TOGGLE_ACTION(act), prefs->getBool("/tools/eraser/break_apart", false) );
-        g_object_set_data( holder, "split", act );
-        g_signal_connect_after( G_OBJECT(act), "toggled", G_CALLBACK(sp_toggle_break_apart), holder) ;
-        gtk_action_group_add_action( mainActions, GTK_ACTION(act) );
+        toolbar->_split = ink_toggle_action_new( "EraserBreakAppart",
+                                                 _("Break apart cut items"),
+                                                 _("Break apart cut items"),
+                                                 INKSCAPE_ICON("distribute-randomize"),
+                                                 secondarySize );
+        gtk_toggle_action_set_active( GTK_TOGGLE_ACTION(toolbar->_split), prefs->getBool("/tools/eraser/break_apart", false) );
+        g_signal_connect_after( G_OBJECT(toolbar->_split), "toggled", G_CALLBACK(toggle_break_apart), (gpointer)toolbar);
+        gtk_action_group_add_action( mainActions, GTK_ACTION(toolbar->_split) );
     }
 
-    sp_set_tbl_eraser_mode_visibility(holder, eraser_mode);
+    toolbar->set_eraser_mode_visibility(eraser_mode);
+
+    return GTK_WIDGET(toolbar->gobj());
+}
+
+void
+EraserToolbar::mode_changed(int mode)
+{
+    if (DocumentUndo::getUndoSensitive(_desktop->getDocument())) {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        prefs->setInt( "/tools/eraser/mode", mode );
+    }
+
+    set_eraser_mode_visibility(mode);
+
+    // only take action if run by the attr_changed listener
+    if (!_freeze) {
+        // in turn, prevent listener from responding
+        _freeze = true;
+
+        /*
+        if ( eraser_mode != ERASER_MODE_DELETE ) {
+        } else {
+        }
+        */
+        // TODO finish implementation
+
+        _freeze =  false;
+    }
+}
+
+void
+EraserToolbar::set_eraser_mode_visibility(const guint eraser_mode)
+{
+    gtk_action_set_visible( GTK_ACTION(_split), (eraser_mode == ERASER_MODE_CUT));
+
+    const gboolean visibility = (eraser_mode != ERASER_MODE_DELETE);
+
+    const std::array<GtkAction *, 6> arr = {GTK_ACTION(_cap_rounding),
+                                            GTK_ACTION(_mass),
+                                            GTK_ACTION(_thinning),
+                                            GTK_ACTION(_tremor),
+                                            GTK_ACTION(_usepressure),
+                                            GTK_ACTION(_width)};
+    for (auto act : arr) {
+        gtk_action_set_visible( act, visibility );
+    }
+}
+
+void
+EraserToolbar::width_value_changed()
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    prefs->setDouble( "/tools/eraser/width", _width_adj->get_value() );
+}
+
+void
+EraserToolbar::mass_value_changed()
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    prefs->setDouble( "/tools/eraser/mass", _mass_adj->get_value() );
+}
+
+void
+EraserToolbar::velthin_value_changed()
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    prefs->setDouble("/tools/eraser/thinning", _thinning_adj->get_value() );
+}
+
+void
+EraserToolbar::cap_rounding_value_changed()
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    prefs->setDouble( "/tools/eraser/cap_rounding", _cap_rounding_adj->get_value() );
+}
+
+void
+EraserToolbar::tremor_value_changed()
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    prefs->setDouble( "/tools/eraser/tremor", _tremor_adj->get_value() );
+}
+
+// A dummy function for PrefPusher.
+// The code was calling the update_presets_list function in the calligraphy tool
+// which was immediately returning. TODO: Investigate this further.
+void
+EraserToolbar::update_presets_list(gpointer data)
+{
+    return;
+}
+
+void
+EraserToolbar::toggle_break_apart(GtkToggleAction *act,
+                                  gpointer         data)
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    gboolean active = gtk_toggle_action_get_active(act);
+    prefs->setBool("/tools/eraser/break_apart", active);
+}
+
+}
+}
 }
 
 /*