Move toolbars to ui/toolbar

1 files changed, 614 insertions, 0 deletions

diff --git a/src/ui/toolbar/arc-toolbar.cpp b/src/ui/toolbar/arc-toolbar.cpp
new file mode 100644
index 000000000..ad1b70a6c
--- /dev/null
+++ b/src/ui/toolbar/arc-toolbar.cpp
@@ -0,0 +1,614 @@
+/**
+ * @file
+ * Arc aux toolbar
+ */
+/* Authors:
+ *   MenTaLguY <mental@rydia.net>
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   bulia byak <buliabyak@users.sf.net>
+ *   Frank Felfe <innerspace@iname.com>
+ *   John Cliff <simarilius@yahoo.com>
+ *   David Turner <novalis@gnu.org>
+ *   Josh Andler <scislac@scislac.com>
+ *   Jon A. Cruz <jon@joncruz.org>
+ *   Maximilian Albert <maximilian.albert@gmail.com>
+ *   Tavmjong Bah <tavmjong@free.fr>
+ *   Abhishek Sharma
+ *   Kris De Gussem <Kris.DeGussem@gmail.com>
+ *
+ * Copyright (C) 2004 David Turner
+ * Copyright (C) 2003 MenTaLguY
+ * Copyright (C) 1999-2011 authors
+ * Copyright (C) 2001-2002 Ximian, Inc.
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "arc-toolbar.h"
+
+#include <glibmm/i18n.h>
+
+#include "desktop.h"
+#include "document-undo.h"
+#include "widgets/ink-action.h"
+#include "widgets/toolbox.h"
+#include "mod360.h"
+#include "selection.h"
+#include "verbs.h"
+
+#include "object/sp-ellipse.h"
+
+#include "ui/icon-names.h"
+#include "ui/tools/arc-tool.h"
+#include "ui/uxmanager.h"
+#include "ui/widget/ink-select-one-action.h"
+#include "ui/widget/unit-tracker.h"
+
+#include "widgets/ege-adjustment-action.h"
+#include "widgets/ege-output-action.h"
+#include "widgets/spinbutton-events.h"
+#include "widgets/widget-sizes.h"
+
+#include "xml/node-event-vector.h"
+
+using Inkscape::UI::Widget::UnitTracker;
+using Inkscape::UI::UXManager;
+using Inkscape::DocumentUndo;
+using Inkscape::UI::ToolboxFactory;
+using Inkscape::UI::PrefPusher;
+using Inkscape::Util::Quantity;
+using Inkscape::Util::unit_table;
+
+//########################
+//##    Circle / Arc    ##
+//########################
+
+static void sp_arctb_sensitivize( GObject *tbl, double v1, double v2 )
+{
+    Gtk::Action *ocb = static_cast<Gtk::Action*>( g_object_get_data( tbl, "type_action" ) );
+    GtkAction *make_whole = GTK_ACTION( g_object_get_data( tbl, "make_whole" ) );
+
+    if (v1 == 0 && v2 == 0) {
+        if (g_object_get_data( tbl, "single" )) { // only for a single selected ellipse (for now)
+            ocb->set_sensitive(false);
+            gtk_action_set_sensitive( make_whole, FALSE );
+        }
+    } else {
+        ocb->set_sensitive(true);
+        gtk_action_set_sensitive( make_whole, TRUE );
+    }
+}
+
+static void sp_arctb_value_changed(GtkAdjustment *adj, GObject *tbl, gchar const *value_name)
+{
+    // Per SVG spec "a [radius] value of zero disables rendering of the element".
+    // However our implementation does not allow a setting of zero in the UI (not even in the XML editor)
+    // and ugly things happen if it's forced here, so better leave the properties untouched.
+    if (!gtk_adjustment_get_value(adj)) {
+        return;
+    }
+
+    SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data( tbl, "desktop" ));
+
+    UnitTracker* tracker = reinterpret_cast<UnitTracker*>(g_object_get_data( tbl, "tracker" ));
+    Unit const *unit = tracker->getActiveUnit();
+    g_return_if_fail(unit != NULL);
+
+    SPDocument* document = desktop->getDocument();
+    Geom::Scale scale = document->getDocumentScale();
+
+    if (DocumentUndo::getUndoSensitive(document)) {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        prefs->setDouble(Glib::ustring("/tools/shapes/arc/") + value_name,
+            Quantity::convert(gtk_adjustment_get_value(adj), unit, "px"));
+    }
+
+    // quit if run by the attr_changed listener
+    if (g_object_get_data( tbl, "freeze" ) || tracker->isUpdating()) {
+        return;
+    }
+
+    // in turn, prevent listener from responding
+    g_object_set_data( tbl, "freeze", GINT_TO_POINTER(TRUE));
+
+    bool modmade = false;
+    Inkscape::Selection *selection = desktop->getSelection();
+    auto itemlist= selection->items();
+    for(auto i=itemlist.begin();i!=itemlist.end();++i){
+        SPItem *item = *i;
+        if (SP_IS_GENERICELLIPSE(item)) {
+
+            SPGenericEllipse *ge = SP_GENERICELLIPSE(item);
+
+            if (!strcmp(value_name, "rx")) {
+                ge->setVisibleRx(Quantity::convert(gtk_adjustment_get_value(adj), unit, "px"));
+            } else {
+                ge->setVisibleRy(Quantity::convert(gtk_adjustment_get_value(adj), unit, "px"));
+            }
+
+            ge->normalize();
+            (SP_OBJECT(ge))->updateRepr();
+            (SP_OBJECT(ge))->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+
+            modmade = true;
+        }
+    }
+
+    if (modmade) {
+        DocumentUndo::done(desktop->getDocument(), SP_VERB_CONTEXT_ARC,
+                           _("Ellipse: Change radius"));
+    }
+
+    g_object_set_data( tbl, "freeze", GINT_TO_POINTER(FALSE) );
+}
+
+static void sp_arctb_rx_value_changed(GtkAdjustment *adj, GObject *tbl)
+{
+    sp_arctb_value_changed(adj, tbl, "rx");
+}
+
+static void sp_arctb_ry_value_changed(GtkAdjustment *adj, GObject *tbl)
+{
+    sp_arctb_value_changed(adj, tbl, "ry");
+}
+
+static void
+sp_arctb_startend_value_changed(GtkAdjustment *adj, GObject *tbl, gchar const *value_name, gchar const *other_name)
+{
+    SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data( tbl, "desktop" ));
+
+    if (DocumentUndo::getUndoSensitive(desktop->getDocument())) {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        prefs->setDouble(Glib::ustring("/tools/shapes/arc/") + value_name, gtk_adjustment_get_value(adj));
+    }
+
+    // quit if run by the attr_changed listener
+    if (g_object_get_data( tbl, "freeze" )) {
+        return;
+    }
+
+    // in turn, prevent listener from responding
+    g_object_set_data( tbl, "freeze", GINT_TO_POINTER(TRUE) );
+
+    gchar* namespaced_name = g_strconcat("sodipodi:", value_name, NULL);
+
+    bool modmade = false;
+    auto itemlist= desktop->getSelection()->items();
+    for(auto i=itemlist.begin();i!=itemlist.end();++i){
+        SPItem *item = *i;
+        if (SP_IS_GENERICELLIPSE(item)) {
+
+            SPGenericEllipse *ge = SP_GENERICELLIPSE(item);
+
+            if (!strcmp(value_name, "start")) {
+                ge->start = (gtk_adjustment_get_value(adj) * M_PI)/ 180;
+            } else {
+                ge->end = (gtk_adjustment_get_value(adj) * M_PI)/ 180;
+            }
+
+            ge->normalize();
+            (SP_OBJECT(ge))->updateRepr();
+            (SP_OBJECT(ge))->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
+
+            modmade = true;
+        }
+    }
+
+    g_free(namespaced_name);
+
+    GtkAdjustment *other = GTK_ADJUSTMENT( g_object_get_data( tbl, other_name ) );
+
+    sp_arctb_sensitivize( tbl, gtk_adjustment_get_value(adj), gtk_adjustment_get_value(other) );
+
+    if (modmade) {
+        DocumentUndo::maybeDone(desktop->getDocument(), value_name, SP_VERB_CONTEXT_ARC,
+                                _("Arc: Change start/end"));
+    }
+
+    g_object_set_data( tbl, "freeze", GINT_TO_POINTER(FALSE) );
+}
+
+
+static void sp_arctb_start_value_changed(GtkAdjustment *adj,  GObject *tbl)
+{
+    sp_arctb_startend_value_changed(adj,  tbl, "start", "end");
+}
+
+static void sp_arctb_end_value_changed(GtkAdjustment *adj, GObject *tbl)
+{
+    sp_arctb_startend_value_changed(adj,  tbl, "end", "start");
+}
+
+
+static void sp_arctb_type_changed( GObject *tbl, int type )
+{
+    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/shapes/arc/arc_type", type);
+    }
+
+    // quit if run by the attr_changed listener
+    if (g_object_get_data( tbl, "freeze" )) {
+        return;
+    }
+
+    // in turn, prevent listener from responding
+    g_object_set_data( tbl, "freeze", GINT_TO_POINTER(TRUE) );
+
+    Glib::ustring arc_type = "slice";
+    bool open = false;
+    switch (type) {
+        case 0:
+            arc_type = "slice";
+            open = false;
+            break;
+        case 1:
+            arc_type = "arc";
+            open = true;
+            break;
+        case 2:
+            arc_type = "chord";
+            open = true; // For backward compat, not truly open but chord most like arc.
+            break;
+        default:
+            std::cerr << "sp_arctb_type_changed: bad arc type: " << type << std::endl;
+    }
+               
+    bool modmade = false;
+    auto itemlist= desktop->getSelection()->items();
+    for(auto i=itemlist.begin();i!=itemlist.end();++i){
+        SPItem *item = *i;
+        if (SP_IS_GENERICELLIPSE(item)) {
+            Inkscape::XML::Node *repr = item->getRepr();
+            repr->setAttribute("sodipodi:open", (open?"true":NULL) );
+            repr->setAttribute("sodipodi:arc-type", arc_type.c_str());
+            item->updateRepr();
+            modmade = true;
+        }
+    }
+
+    if (modmade) {
+        DocumentUndo::done(desktop->getDocument(), SP_VERB_CONTEXT_ARC,
+                           _("Arc: Changed arc type"));
+    }
+
+    g_object_set_data( tbl, "freeze", GINT_TO_POINTER(FALSE) );
+}
+
+static void sp_arctb_defaults(GtkWidget *, GObject *obj)
+{
+    GtkAdjustment *adj;
+
+    adj = GTK_ADJUSTMENT( g_object_get_data(obj, "start") );
+    gtk_adjustment_set_value(adj, 0.0);
+
+#if !GTK_CHECK_VERSION(3,18,0)
+    gtk_adjustment_value_changed(adj);
+#endif
+
+    adj = GTK_ADJUSTMENT( g_object_get_data(obj, "end") );
+    gtk_adjustment_set_value(adj, 0.0);
+
+#if !GTK_CHECK_VERSION(3,18,0)
+    gtk_adjustment_value_changed(adj);
+#endif
+
+    spinbutton_defocus(GTK_WIDGET(obj));
+}
+
+static void arc_tb_event_attr_changed(Inkscape::XML::Node *repr, gchar const * /*name*/,
+                                      gchar const * /*old_value*/, gchar const * /*new_value*/,
+                                      bool /*is_interactive*/, gpointer data)
+{
+    GObject *tbl = G_OBJECT(data);
+
+    // quit if run by the _changed callbacks
+    if (g_object_get_data( tbl, "freeze" )) {
+        return;
+    }
+
+    // in turn, prevent callbacks from responding
+    g_object_set_data( tbl, "freeze", GINT_TO_POINTER(TRUE) );
+
+    gpointer item = g_object_get_data( tbl, "item" );
+    if (item && SP_IS_GENERICELLIPSE(item)) {
+        SPGenericEllipse *ge = SP_GENERICELLIPSE(item);
+
+        UnitTracker* tracker = reinterpret_cast<UnitTracker*>( g_object_get_data( tbl, "tracker" ) );
+        Unit const *unit = tracker->getActiveUnit();
+        g_return_if_fail(unit != NULL);
+
+        GtkAdjustment *adj;
+        adj = GTK_ADJUSTMENT( g_object_get_data(tbl, "rx") );
+        gdouble rx = ge->getVisibleRx();
+        gtk_adjustment_set_value(adj, Quantity::convert(rx, "px", unit));
+
+#if !GTK_CHECK_VERSION(3,18,0)
+        gtk_adjustment_value_changed(adj);
+#endif
+
+        adj = GTK_ADJUSTMENT( g_object_get_data(tbl, "ry") );
+        gdouble ry = ge->getVisibleRy();
+        gtk_adjustment_set_value(adj, Quantity::convert(ry, "px", unit));
+
+#if !GTK_CHECK_VERSION(3,18,0)
+        gtk_adjustment_value_changed(adj);
+#endif
+    }
+
+    gdouble start = 0.;
+    gdouble end = 0.;
+    sp_repr_get_double(repr, "sodipodi:start", &start);
+    sp_repr_get_double(repr, "sodipodi:end", &end);
+
+    GtkAdjustment *adj1,*adj2;
+    adj1 = GTK_ADJUSTMENT( g_object_get_data( tbl, "start" ) );
+    gtk_adjustment_set_value(adj1, mod360((start * 180)/M_PI));
+    adj2 = GTK_ADJUSTMENT( g_object_get_data( tbl, "end" ) );
+    gtk_adjustment_set_value(adj2, mod360((end * 180)/M_PI));
+
+    sp_arctb_sensitivize( tbl, gtk_adjustment_get_value(adj1), gtk_adjustment_get_value(adj2) );
+
+    char const *arctypestr = NULL;
+    arctypestr = repr->attribute("sodipodi:arc-type");
+    if (!arctypestr) { // For old files.
+        char const *openstr = NULL;
+        openstr = repr->attribute("sodipodi:open");
+        arctypestr = (openstr ? "arc" : "slice");
+    }
+
+    InkSelectOneAction *typeAction =
+        static_cast<InkSelectOneAction*>( g_object_get_data( tbl, "type_action" ) );
+
+    if (!strcmp(arctypestr,"slice")) {
+        typeAction->set_active( 0 );
+    } else if (!strcmp(arctypestr,"arc")) {
+        typeAction->set_active( 1 );
+    } else {
+        typeAction->set_active( 2 );
+    }
+
+    g_object_set_data( tbl, "freeze", GINT_TO_POINTER(FALSE) );
+}
+
+static Inkscape::XML::NodeEventVector arc_tb_repr_events = {
+    NULL, /* child_added */
+    NULL, /* child_removed */
+    arc_tb_event_attr_changed,
+    NULL, /* content_changed */
+    NULL  /* order_changed */
+};
+
+
+static void sp_arc_toolbox_selection_changed(Inkscape::Selection *selection, GObject *tbl)
+{
+    int n_selected = 0;
+    Inkscape::XML::Node *repr = NULL;
+    SPItem *item = NULL;
+
+    if ( g_object_get_data( tbl, "repr" ) ) {
+        g_object_set_data( tbl, "item", NULL );
+    }
+    purge_repr_listener( tbl, tbl );
+
+    auto itemlist= selection->items();
+    for(auto i=itemlist.begin();i!=itemlist.end();++i){
+        if (SP_IS_GENERICELLIPSE(*i)) {
+            n_selected++;
+            item = *i;
+            repr = item->getRepr();
+        }
+    }
+
+    EgeOutputAction* act = EGE_OUTPUT_ACTION( g_object_get_data( tbl, "mode_action" ) );
+
+    g_object_set_data( tbl, "single", GINT_TO_POINTER(FALSE) );
+    if (n_selected == 0) {
+        g_object_set( G_OBJECT(act), "label", _("<b>New:</b>"), NULL );
+    } else if (n_selected == 1) {
+        g_object_set_data( tbl, "single", GINT_TO_POINTER(TRUE) );
+        g_object_set( G_OBJECT(act), "label", _("<b>Change:</b>"), NULL );
+
+        GtkAction* rx = GTK_ACTION( g_object_get_data( tbl, "rx_action" ) );
+        gtk_action_set_sensitive(rx, TRUE);
+        GtkAction* ry = GTK_ACTION( g_object_get_data( tbl, "ry_action" ) );
+        gtk_action_set_sensitive(ry, TRUE);
+
+        if (repr) {
+            g_object_set_data( tbl, "repr", repr );
+            g_object_set_data( tbl, "item", item );
+            Inkscape::GC::anchor(repr);
+            sp_repr_add_listener(repr, &arc_tb_repr_events, tbl);
+            sp_repr_synthesize_events(repr, &arc_tb_repr_events, tbl);
+        }
+    } else {
+        // FIXME: implement averaging of all parameters for multiple selected
+        //gtk_label_set_markup(GTK_LABEL(l), _("<b>Average:</b>"));
+        g_object_set( G_OBJECT(act), "label", _("<b>Change:</b>"), NULL );
+        sp_arctb_sensitivize( tbl, 1, 0 );
+    }
+}
+
+static void arc_toolbox_check_ec(SPDesktop* dt, Inkscape::UI::Tools::ToolBase* ec, GObject* holder);
+
+void sp_arc_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GObject* holder)
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+
+    EgeAdjustmentAction* eact = 0;
+    GtkIconSize secondarySize = ToolboxFactory::prefToSize("/toolbox/secondary", 1);
+
+    UnitTracker* tracker = new UnitTracker(Inkscape::Util::UNIT_TYPE_LINEAR);
+    tracker->setActiveUnit(unit_table.getUnit("px"));
+    g_object_set_data( holder, "tracker", tracker );
+
+    {
+        EgeOutputAction* act = ege_output_action_new( "ArcStateAction", _("<b>New:</b>"), "", 0 );
+        ege_output_action_set_use_markup( act, TRUE );
+        gtk_action_group_add_action( mainActions, GTK_ACTION( act ) );
+        g_object_set_data( holder, "mode_action", act );
+    }
+
+    /* Radius X */
+    {
+        gchar const* labels[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+        gdouble values[] = {1, 2, 3, 5, 10, 20, 50, 100, 200, 500};
+        eact = create_adjustment_action( "ArcRadiusXAction",
+                                         _("Horizontal radius"), _("Rx:"), _("Horizontal radius of the circle, ellipse, or arc"),
+                                         "/tools/shapes/arc/rx", 0,
+                                         GTK_WIDGET(desktop->canvas), holder, TRUE, "altx-arc",
+                                         0, 1e6, SPIN_STEP, SPIN_PAGE_STEP,
+                                         labels, values, G_N_ELEMENTS(labels),
+                                         sp_arctb_rx_value_changed, tracker);
+        g_object_set_data( holder, "rx_action", eact );
+        gtk_action_set_sensitive( GTK_ACTION(eact), FALSE );
+        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
+    }
+
+    /* Radius Y */
+    {
+        gchar const* labels[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+        gdouble values[] = {1, 2, 3, 5, 10, 20, 50, 100, 200, 500};
+        eact = create_adjustment_action( "ArcRadiusYAction",
+                                         _("Vertical radius"), _("Ry:"), _("Vertical radius of the circle, ellipse, or arc"),
+                                         "/tools/shapes/arc/ry", 0,
+                                         GTK_WIDGET(desktop->canvas), holder, FALSE, NULL,
+                                         0, 1e6, SPIN_STEP, SPIN_PAGE_STEP,
+                                         labels, values, G_N_ELEMENTS(labels),
+                                         sp_arctb_ry_value_changed, tracker);
+        g_object_set_data( holder, "ry_action", eact );
+        gtk_action_set_sensitive( GTK_ACTION(eact), FALSE );
+        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
+    }
+
+    // add the units menu
+    {
+        Gtk::Action* act = tracker->createAction( "ArcUnitsAction", _("Units"), ("") );
+        gtk_action_group_add_action( mainActions, act->gobj() );
+    }
+
+    /* Start */
+    {
+        eact = create_adjustment_action( "ArcStartAction",
+                                         _("Start"), _("Start:"),
+                                         _("The angle (in degrees) from the horizontal to the arc's start point"),
+                                         "/tools/shapes/arc/start", 0.0,
+                                         GTK_WIDGET(desktop->canvas), holder, TRUE, "altx-arc",
+                                         -360.0, 360.0, 1.0, 10.0,
+                                         0, 0, 0,
+                                         sp_arctb_start_value_changed);
+        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
+    }
+
+    /* End */
+    {
+        eact = create_adjustment_action( "ArcEndAction",
+                                         _("End"), _("End:"),
+                                         _("The angle (in degrees) from the horizontal to the arc's end point"),
+                                         "/tools/shapes/arc/end", 0.0,
+                                         GTK_WIDGET(desktop->canvas), holder, FALSE, NULL,
+                                         -360.0, 360.0, 1.0, 10.0,
+                                         0, 0, 0,
+                                         sp_arctb_end_value_changed);
+        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
+    }
+
+    /* Arc: Slice, Arc, Chord */
+    {
+        InkSelectOneActionColumns columns;
+
+        Glib::RefPtr<Gtk::ListStore> store = Gtk::ListStore::create(columns);
+
+        Gtk::TreeModel::Row row;
+
+        row = *(store->append());
+        row[columns.col_label    ] = _("Slice");
+        row[columns.col_tooltip  ] = _("Switch to slice (closed shape with two radii)"),
+        row[columns.col_icon     ] = INKSCAPE_ICON("draw-ellipse-segment");
+        row[columns.col_sensitive] = true;
+
+        row = *(store->append());
+        row[columns.col_label    ] = _("Arc (Open)");
+        row[columns.col_tooltip  ] = _("Switch to arc (unclosed shape)");
+        row[columns.col_icon     ] = INKSCAPE_ICON("draw-ellipse-arc");
+        row[columns.col_sensitive] = true;
+
+        row = *(store->append());
+        row[columns.col_label    ] = _("Chord");
+        row[columns.col_tooltip  ] = _("Switch to chord (closed shape)"),
+        row[columns.col_icon     ] = INKSCAPE_ICON("draw-ellipse-chord");
+        row[columns.col_sensitive] = true;
+
+        InkSelectOneAction* act =
+            InkSelectOneAction::create( "ArcTypeAction",   // Name
+                                        "",                // Label
+                                        "",                // Tooltip
+                                        "Not Used",        // Icon
+                                        store );           // Tree store
+
+        act->use_radio( true );
+        act->use_group_label( false );
+        gint type = prefs->getInt("/tools/shapes/arc/arc_type", 0);
+        act->set_active( type );
+
+        gtk_action_group_add_action( mainActions, GTK_ACTION( act->gobj() ));
+        g_object_set_data( holder, "type_action", act );
+
+        act->signal_changed().connect(sigc::bind<0>(sigc::ptr_fun(&sp_arctb_type_changed), holder));
+    }
+
+    /* Make Whole */
+    {
+        InkAction* inky = ink_action_new( "ArcResetAction",
+                                          _("Make whole"),
+                                          _("Make the shape a whole ellipse, not arc or segment"),
+                                          INKSCAPE_ICON("draw-ellipse-whole"),
+                                          secondarySize );
+        g_signal_connect_after( G_OBJECT(inky), "activate", G_CALLBACK(sp_arctb_defaults), holder );
+        gtk_action_group_add_action( mainActions, GTK_ACTION(inky) );
+        gtk_action_set_sensitive( GTK_ACTION(inky), TRUE );
+        g_object_set_data( holder, "make_whole", inky );
+    }
+
+    g_object_set_data( G_OBJECT(holder), "single", GINT_TO_POINTER(TRUE) );
+    // sensitivize make whole and open checkbox
+    {
+        GtkAdjustment *adj1 = GTK_ADJUSTMENT( g_object_get_data( holder, "start" ) );
+        GtkAdjustment *adj2 = GTK_ADJUSTMENT( g_object_get_data( holder, "end" ) );
+        sp_arctb_sensitivize( holder, gtk_adjustment_get_value(adj1), gtk_adjustment_get_value(adj2) );
+    }
+
+    desktop->connectEventContextChanged(sigc::bind(sigc::ptr_fun(arc_toolbox_check_ec), holder));
+    g_signal_connect( holder, "destroy", G_CALLBACK(purge_repr_listener), holder );
+}
+
+static void arc_toolbox_check_ec(SPDesktop* desktop, Inkscape::UI::Tools::ToolBase* ec, GObject* holder)
+{
+    static sigc::connection changed;
+
+    if (SP_IS_ARC_CONTEXT(ec)) {
+        changed = desktop->getSelection()->connectChanged(sigc::bind(sigc::ptr_fun(sp_arc_toolbox_selection_changed), holder));
+        sp_arc_toolbox_selection_changed(desktop->getSelection(), holder);
+    } else {
+        if (changed) {
+            changed.disconnect();
+            purge_repr_listener(NULL, holder);
+        }
+    }
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :