Adding upstream version 1.2.2.upstream/1.2.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 843 insertions, 0 deletions

diff --git a/src/ui/widget/registered-widget.cpp b/src/ui/widget/registered-widget.cpp
new file mode 100644
index 0000000..aaea668
--- /dev/null
+++ b/src/ui/widget/registered-widget.cpp
@@ -0,0 +1,843 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Authors:
+ *   Johan Engelen <j.b.c.engelen@utwente.nl>
+ *   bulia byak <buliabyak@users.sf.net>
+ *   Bryce W. Harrington <bryce@bryceharrington.org>
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Jon Phillips <jon@rejon.org>
+ *   Ralf Stephan <ralf@ark.in-berlin.de> (Gtkmm)
+ *   Abhishek Sharma
+ *
+ * Copyright (C) 2000 - 2007 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "registered-widget.h"
+
+#include <gtkmm/radiobutton.h>
+
+#include "object/sp-root.h"
+
+#include "svg/svg-color.h"
+#include "svg/stringstream.h"
+
+#include <glibmm/i18n.h>
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+/*#########################################
+ * Registered CHECKBUTTON
+ */
+
+RegisteredCheckButton::~RegisteredCheckButton()
+{
+    _toggled_connection.disconnect();
+}
+
+RegisteredCheckButton::RegisteredCheckButton (const Glib::ustring& label, const Glib::ustring& tip, const Glib::ustring& key, Registry& wr, bool right, Inkscape::XML::Node* repr_in, SPDocument *doc_in, char const *active_str, char const *inactive_str)
+    : RegisteredWidget<Gtk::CheckButton>()
+    , _active_str(active_str)
+    , _inactive_str(inactive_str)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setProgrammatically = false;
+
+    set_tooltip_text (tip);
+    Gtk::Label *l = new Gtk::Label();
+    l->set_markup(label);
+    l->set_use_underline (true);
+    add (*manage (l));
+
+    if(right) set_halign(Gtk::ALIGN_END);
+    else      set_halign(Gtk::ALIGN_START);
+
+    set_valign(Gtk::ALIGN_CENTER);
+    _toggled_connection = signal_toggled().connect (sigc::mem_fun (*this, &RegisteredCheckButton::on_toggled));
+}
+
+void
+RegisteredCheckButton::setActive (bool b)
+{
+    setProgrammatically = true;
+    set_active (b);
+    //The slave button is greyed out if the master button is unchecked
+    for (std::list<Gtk::Widget*>::const_iterator i = _slavewidgets.begin(); i != _slavewidgets.end(); ++i) {
+        (*i)->set_sensitive(b);
+    }
+    setProgrammatically = false;
+}
+
+void
+RegisteredCheckButton::on_toggled()
+{
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
+    if (_wr->isUpdating())
+        return;
+    _wr->setUpdating (true);
+
+    write_to_xml(get_active() ? _active_str : _inactive_str);
+    //The slave button is greyed out if the master button is unchecked
+    for (std::list<Gtk::Widget*>::const_iterator i = _slavewidgets.begin(); i != _slavewidgets.end(); ++i) {
+        (*i)->set_sensitive(get_active());
+    }
+
+    _wr->setUpdating (false);
+}
+
+/*#########################################
+ * Registered TOGGLEBUTTON
+ */
+
+RegisteredToggleButton::~RegisteredToggleButton()
+{
+    _toggled_connection.disconnect();
+}
+
+RegisteredToggleButton::RegisteredToggleButton (const Glib::ustring& /*label*/, const Glib::ustring& tip, const Glib::ustring& key, Registry& wr, bool right, Inkscape::XML::Node* repr_in, SPDocument *doc_in, char const *icon_active, char const *icon_inactive)
+    : RegisteredWidget<Gtk::ToggleButton>()
+{
+    init_parent(key, wr, repr_in, doc_in);
+    setProgrammatically = false;
+    set_tooltip_text (tip);
+
+    if(right) set_halign(Gtk::ALIGN_END);
+    else      set_halign(Gtk::ALIGN_START);
+
+    set_valign(Gtk::ALIGN_CENTER);
+    _toggled_connection = signal_toggled().connect (sigc::mem_fun (*this, &RegisteredToggleButton::on_toggled));
+}
+
+void
+RegisteredToggleButton::setActive (bool b)
+{
+    setProgrammatically = true;
+    set_active (b);
+    //The slave button is greyed out if the master button is untoggled
+    for (std::list<Gtk::Widget*>::const_iterator i = _slavewidgets.begin(); i != _slavewidgets.end(); ++i) {
+        (*i)->set_sensitive(b);
+    }
+    setProgrammatically = false;
+}
+
+void
+RegisteredToggleButton::on_toggled()
+{
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
+    if (_wr->isUpdating())
+        return;
+    _wr->setUpdating (true);
+
+    write_to_xml(get_active() ? "true" : "false");
+    //The slave button is greyed out if the master button is untoggled
+    for (std::list<Gtk::Widget*>::const_iterator i = _slavewidgets.begin(); i != _slavewidgets.end(); ++i) {
+        (*i)->set_sensitive(get_active());
+    }
+
+    _wr->setUpdating (false);
+}
+
+/*#########################################
+ * Registered UNITMENU
+ */
+
+RegisteredUnitMenu::~RegisteredUnitMenu()
+{
+    _changed_connection.disconnect();
+}
+
+RegisteredUnitMenu::RegisteredUnitMenu (const Glib::ustring& label, const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in, SPDocument *doc_in)
+    :  RegisteredWidget<Labelled> (label, "" /*tooltip*/, new UnitMenu())
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    getUnitMenu()->setUnitType (UNIT_TYPE_LINEAR);
+    _changed_connection = getUnitMenu()->signal_changed().connect (sigc::mem_fun (*this, &RegisteredUnitMenu::on_changed));
+}
+
+void
+RegisteredUnitMenu::setUnit (Glib::ustring unit)
+{
+    getUnitMenu()->setUnit(unit);
+}
+
+void
+RegisteredUnitMenu::on_changed()
+{
+    if (_wr->isUpdating())
+        return;
+
+    Inkscape::SVGOStringStream os;
+    os << getUnitMenu()->getUnitAbbr();
+
+    _wr->setUpdating (true);
+
+    write_to_xml(os.str().c_str());
+
+    _wr->setUpdating (false);
+}
+
+
+/*#########################################
+ * Registered SCALARUNIT
+ */
+
+RegisteredScalarUnit::~RegisteredScalarUnit()
+{
+    _value_changed_connection.disconnect();
+}
+
+RegisteredScalarUnit::RegisteredScalarUnit (const Glib::ustring& label, const Glib::ustring& tip, const Glib::ustring& key, const RegisteredUnitMenu &rum, Registry& wr, Inkscape::XML::Node* repr_in, SPDocument *doc_in, RSU_UserUnits user_units)
+    : RegisteredWidget<ScalarUnit>(label, tip, UNIT_TYPE_LINEAR, "", "", rum.getUnitMenu()),
+      _um(nullptr)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setProgrammatically = false;
+
+    initScalar (-1e6, 1e6);
+    setUnit (rum.getUnitMenu()->getUnitAbbr());
+    setDigits (2);
+    _um = rum.getUnitMenu();
+    _user_units = user_units;
+    _value_changed_connection = signal_value_changed().connect (sigc::mem_fun (*this, &RegisteredScalarUnit::on_value_changed));
+}
+
+
+void
+RegisteredScalarUnit::on_value_changed()
+{
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
+    if (_wr->isUpdating())
+        return;
+
+    _wr->setUpdating (true);
+
+    Inkscape::SVGOStringStream os;
+    if (_user_units != RSU_none) {
+        // Output length in 'user units', taking into account scale in 'x' or 'y'.
+        double scale = 1.0;
+        if (doc) {
+            SPRoot *root = doc->getRoot();
+            if (root->viewBox_set) {
+                // check to see if scaling is uniform
+                if(Geom::are_near((root->viewBox.width() * root->height.computed) / (root->width.computed * root->viewBox.height()), 1.0, Geom::EPSILON)) {
+                    scale = (root->viewBox.width() / root->width.computed + root->viewBox.height() / root->height.computed)/2.0;
+                } else if (_user_units == RSU_x) { 
+                    scale = root->viewBox.width() / root->width.computed;
+                } else {
+                    scale = root->viewBox.height() / root->height.computed;
+                }
+            }
+        }
+        os << getValue("px") * scale;
+    } else {
+        // Output using unit identifiers.
+        os << getValue("");
+        if (_um)
+            os << _um->getUnitAbbr();
+    }
+
+    write_to_xml(os.str().c_str());
+    _wr->setUpdating (false);
+}
+
+
+/*#########################################
+ * Registered SCALAR
+ */
+
+RegisteredScalar::~RegisteredScalar()
+{
+    _value_changed_connection.disconnect();
+}
+
+RegisteredScalar::RegisteredScalar ( const Glib::ustring& label, const Glib::ustring& tip,
+                         const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in,
+                         SPDocument * doc_in )
+    : RegisteredWidget<Scalar>(label, tip)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setProgrammatically = false;
+    setRange (-1e6, 1e6);
+    setDigits (2);
+    setIncrements(0.1, 1.0);
+    _value_changed_connection = signal_value_changed().connect (sigc::mem_fun (*this, &RegisteredScalar::on_value_changed));
+}
+
+void
+RegisteredScalar::on_value_changed()
+{
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+    if (_wr->isUpdating()) {
+        return;
+    }
+    _wr->setUpdating (true);
+
+    Inkscape::SVGOStringStream os;
+    //Force exact 0 if decimals over to 6
+    double val = getValue() < 1e-6 && getValue() > -1e-6?0.0:getValue();
+    os << val;
+    //TODO: Test is ok remove this sensitives
+    //also removed in registered text and in registered random
+    //set_sensitive(false);
+    write_to_xml(os.str().c_str());
+    //set_sensitive(true);
+    _wr->setUpdating (false);
+}
+
+
+/*#########################################
+ * Registered TEXT
+ */
+
+RegisteredText::~RegisteredText()
+{
+    _activate_connection.disconnect();
+}
+
+RegisteredText::RegisteredText ( const Glib::ustring& label, const Glib::ustring& tip,
+                         const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in,
+                         SPDocument * doc_in )
+    : RegisteredWidget<Text>(label, tip)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setProgrammatically = false;
+    _activate_connection = signal_activate().connect (sigc::mem_fun (*this, &RegisteredText::on_activate));
+}
+
+void
+RegisteredText::on_activate()
+{
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
+    if (_wr->isUpdating()) {
+        return;
+    }
+    _wr->setUpdating (true);
+    Glib::ustring str(getText());
+    Inkscape::SVGOStringStream os;
+    os << str;
+    write_to_xml(os.str().c_str());
+    _wr->setUpdating (false);
+}
+
+
+/*#########################################
+ * Registered COLORPICKER
+ */
+
+RegisteredColorPicker::RegisteredColorPicker(const Glib::ustring& label,
+                                             const Glib::ustring& title,
+                                             const Glib::ustring& tip,
+                                             const Glib::ustring& ckey,
+                                             const Glib::ustring& akey,
+                                             Registry& wr,
+                                             Inkscape::XML::Node* repr_in,
+                                             SPDocument *doc_in)
+    : RegisteredWidget<LabelledColorPicker> (label, title, tip, 0, true)
+{
+    init_parent("", wr, repr_in, doc_in);
+
+    _ckey = ckey;
+    _akey = akey;
+    _changed_connection = connectChanged (sigc::mem_fun (*this, &RegisteredColorPicker::on_changed));
+}
+
+RegisteredColorPicker::~RegisteredColorPicker()
+{
+    _changed_connection.disconnect();
+}
+
+void
+RegisteredColorPicker::setRgba32 (guint32 rgba)
+{
+    LabelledColorPicker::setRgba32 (rgba);
+}
+
+void
+RegisteredColorPicker::closeWindow()
+{
+    LabelledColorPicker::closeWindow();
+}
+
+void
+RegisteredColorPicker::on_changed (guint32 rgba)
+{
+    if (_wr->isUpdating())
+        return;
+
+    _wr->setUpdating (true);
+
+    // Use local repr here. When repr is specified, use that one, but
+    // if repr==NULL, get the repr of namedview of active desktop.
+    Inkscape::XML::Node *local_repr = repr;
+    SPDocument *local_doc = doc;
+    if (!local_repr) {
+        SPDesktop *dt = _wr->desktop();
+        if (!dt) {
+            _wr->setUpdating(false);
+            return;
+        }
+        local_repr = dt->getNamedView()->getRepr();
+        local_doc = dt->getDocument();
+    }
+    gchar c[32];
+    if (_akey == _ckey + "_opacity_LPE") { //For LPE parameter we want stored with alpha
+        sprintf(c, "#%08x", rgba);
+    } else {
+        sp_svg_write_color(c, sizeof(c), rgba);
+    }
+    bool saved = DocumentUndo::getUndoSensitive(local_doc);
+    DocumentUndo::setUndoSensitive(local_doc, false);
+    local_repr->setAttribute(_ckey, c);
+    local_repr->setAttributeCssDouble(_akey.c_str(), (rgba & 0xff) / 255.0);
+    DocumentUndo::setUndoSensitive(local_doc, saved);
+
+    local_doc->setModifiedSinceSave();
+    DocumentUndo::done(local_doc, "registered-widget.cpp: RegisteredColorPicker::on_changed", ""); // TODO Fix description.
+
+    _wr->setUpdating (false);
+}
+
+
+/*#########################################
+ * Registered SUFFIXEDINTEGER
+ */
+
+RegisteredSuffixedInteger::~RegisteredSuffixedInteger()
+{
+    _changed_connection.disconnect();
+}
+
+RegisteredSuffixedInteger::RegisteredSuffixedInteger (const Glib::ustring& label, const Glib::ustring& tip, const Glib::ustring& suffix, const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in, SPDocument *doc_in)
+    : RegisteredWidget<Scalar>(label, tip, 0, suffix),
+      setProgrammatically(false)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setRange (0, 1e6);
+    setDigits (0);
+    setIncrements(1, 10);
+
+    _changed_connection = signal_value_changed().connect (sigc::mem_fun(*this, &RegisteredSuffixedInteger::on_value_changed));
+}
+
+void
+RegisteredSuffixedInteger::on_value_changed()
+{
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
+    if (_wr->isUpdating())
+        return;
+
+    _wr->setUpdating (true);
+
+    Inkscape::SVGOStringStream os;
+    os << getValue();
+
+    write_to_xml(os.str().c_str());
+
+    _wr->setUpdating (false);
+}
+
+
+/*#########################################
+ * Registered RADIOBUTTONPAIR
+ */
+
+RegisteredRadioButtonPair::~RegisteredRadioButtonPair()
+{
+    _changed_connection.disconnect();
+}
+
+RegisteredRadioButtonPair::RegisteredRadioButtonPair (const Glib::ustring& label,
+        const Glib::ustring& label1, const Glib::ustring& label2,
+        const Glib::ustring& tip1, const Glib::ustring& tip2,
+        const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in, SPDocument *doc_in)
+    : RegisteredWidget<Gtk::Box>(),
+      _rb1(nullptr),
+      _rb2(nullptr)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setProgrammatically = false;
+
+    set_orientation(Gtk::ORIENTATION_HORIZONTAL);
+    add(*Gtk::manage(new Gtk::Label(label)));
+    _rb1 = Gtk::manage(new Gtk::RadioButton(label1, true));
+    add (*_rb1);
+    Gtk::RadioButtonGroup group = _rb1->get_group();
+    _rb2 = Gtk::manage(new Gtk::RadioButton(group, label2, true));
+    add (*_rb2);
+    _rb2->set_active();
+    _rb1->set_tooltip_text(tip1);
+    _rb2->set_tooltip_text(tip2);
+    _changed_connection = _rb1->signal_toggled().connect (sigc::mem_fun (*this, &RegisteredRadioButtonPair::on_value_changed));
+}
+
+void
+RegisteredRadioButtonPair::setValue (bool second)
+{
+    if (!_rb1 || !_rb2)
+        return;
+
+    setProgrammatically = true;
+    if (second) {
+        _rb2->set_active();
+    } else {
+        _rb1->set_active();
+    }
+}
+
+void
+RegisteredRadioButtonPair::on_value_changed()
+{
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
+    if (_wr->isUpdating())
+        return;
+
+    _wr->setUpdating (true);
+
+    bool second = _rb2->get_active();
+    write_to_xml(second ? "true" : "false");
+
+    _wr->setUpdating (false);
+}
+
+
+/*#########################################
+ * Registered POINT
+ */
+
+RegisteredPoint::~RegisteredPoint()
+{
+    _value_x_changed_connection.disconnect();
+    _value_y_changed_connection.disconnect();
+}
+
+RegisteredPoint::RegisteredPoint ( const Glib::ustring& label, const Glib::ustring& tip,
+                        const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in,
+                        SPDocument* doc_in )
+    : RegisteredWidget<Point> (label, tip)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setRange (-1e6, 1e6);
+    setDigits (2);
+    setIncrements(0.1, 1.0);
+    _value_x_changed_connection = signal_x_value_changed().connect (sigc::mem_fun (*this, &RegisteredPoint::on_value_changed));
+    _value_y_changed_connection = signal_y_value_changed().connect (sigc::mem_fun (*this, &RegisteredPoint::on_value_changed));
+}
+
+void
+RegisteredPoint::on_value_changed()
+{
+    if (setProgrammatically()) {
+        clearProgrammatically();
+        return;
+    }
+
+    if (_wr->isUpdating())
+        return;
+
+    _wr->setUpdating (true);
+
+    Inkscape::SVGOStringStream os;
+    os << getXValue() << "," << getYValue();
+
+    write_to_xml(os.str().c_str());
+
+    _wr->setUpdating (false);
+}
+
+/*#########################################
+ * Registered TRANSFORMEDPOINT
+ */
+
+RegisteredTransformedPoint::~RegisteredTransformedPoint()
+{
+    _value_x_changed_connection.disconnect();
+    _value_y_changed_connection.disconnect();
+}
+
+RegisteredTransformedPoint::RegisteredTransformedPoint ( const Glib::ustring& label, const Glib::ustring& tip,
+                        const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in,
+                        SPDocument* doc_in )
+    : RegisteredWidget<Point> (label, tip),
+      to_svg(Geom::identity())
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setRange (-1e6, 1e6);
+    setDigits (2);
+    setIncrements(0.1, 1.0);
+    _value_x_changed_connection = signal_x_value_changed().connect (sigc::mem_fun (*this, &RegisteredTransformedPoint::on_value_changed));
+    _value_y_changed_connection = signal_y_value_changed().connect (sigc::mem_fun (*this, &RegisteredTransformedPoint::on_value_changed));
+}
+
+void
+RegisteredTransformedPoint::setValue(Geom::Point const & p)
+{
+    Geom::Point new_p = p * to_svg.inverse();
+    Point::setValue(new_p);  // the Point widget should display things in canvas coordinates
+}
+
+void
+RegisteredTransformedPoint::setTransform(Geom::Affine const & canvas_to_svg)
+{
+    // check if matrix is singular / has inverse
+    if ( ! canvas_to_svg.isSingular() ) {
+        to_svg = canvas_to_svg;
+    } else {
+        // set back to default
+        to_svg = Geom::identity();
+    }
+}
+
+void
+RegisteredTransformedPoint::on_value_changed()
+{
+    if (setProgrammatically()) {
+        clearProgrammatically();
+        return;
+    }
+
+    if (_wr->isUpdating())
+        return;
+
+    _wr->setUpdating (true);
+
+    Geom::Point pos = getValue() * to_svg;
+
+    Inkscape::SVGOStringStream os;
+    os << pos;
+
+    write_to_xml(os.str().c_str());
+
+    _wr->setUpdating (false);
+}
+
+/*#########################################
+ * Registered TRANSFORMEDPOINT
+ */
+
+RegisteredVector::~RegisteredVector()
+{
+    _value_x_changed_connection.disconnect();
+    _value_y_changed_connection.disconnect();
+}
+
+RegisteredVector::RegisteredVector ( const Glib::ustring& label, const Glib::ustring& tip,
+                        const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in,
+                        SPDocument* doc_in )
+    : RegisteredWidget<Point> (label, tip),
+      _polar_coords(false)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setRange (-1e6, 1e6);
+    setDigits (2);
+    setIncrements(0.1, 1.0);
+    _value_x_changed_connection = signal_x_value_changed().connect (sigc::mem_fun (*this, &RegisteredVector::on_value_changed));
+    _value_y_changed_connection = signal_y_value_changed().connect (sigc::mem_fun (*this, &RegisteredVector::on_value_changed));
+}
+
+void
+RegisteredVector::setValue(Geom::Point const & p)
+{
+    if (!_polar_coords) {
+        Point::setValue(p);
+    } else {
+        Geom::Point polar;
+        polar[Geom::X] = atan2(p) *180/M_PI;
+        polar[Geom::Y] = p.length();
+        Point::setValue(polar);
+    }
+}
+
+void
+RegisteredVector::setValue(Geom::Point const & p, Geom::Point const & origin)
+{
+    RegisteredVector::setValue(p);
+    _origin = origin;
+}
+
+void RegisteredVector::setPolarCoords(bool polar_coords)
+{
+    _polar_coords = polar_coords;
+    if (polar_coords) {
+        xwidget.setLabelText(_("Angle:"));
+        ywidget.setLabelText(_("Distance:"));
+    } else {
+        xwidget.setLabelText(_("X:"));
+        ywidget.setLabelText(_("Y:"));
+    }
+}
+
+void
+RegisteredVector::on_value_changed()
+{
+    if (setProgrammatically()) {
+        clearProgrammatically();
+        return;
+    }
+
+    if (_wr->isUpdating())
+        return;
+
+    _wr->setUpdating (true);
+
+    Geom::Point origin = _origin;
+    Geom::Point vector = getValue();
+    if (_polar_coords) {
+        vector = Geom::Point::polar(vector[Geom::X]*M_PI/180, vector[Geom::Y]);
+    }
+
+    Inkscape::SVGOStringStream os;
+    os << origin << " , " << vector;
+
+    write_to_xml(os.str().c_str());
+
+    _wr->setUpdating (false);
+}
+
+/*#########################################
+ * Registered RANDOM
+ */
+
+RegisteredRandom::~RegisteredRandom()
+{
+    _value_changed_connection.disconnect();
+    _reseeded_connection.disconnect();
+}
+
+RegisteredRandom::RegisteredRandom ( const Glib::ustring& label, const Glib::ustring& tip,
+                         const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in,
+                         SPDocument * doc_in )
+    : RegisteredWidget<Random> (label, tip)
+{
+    init_parent(key, wr, repr_in, doc_in);
+
+    setProgrammatically = false;
+    setRange (-1e6, 1e6);
+    setDigits (2);
+    setIncrements(0.1, 1.0);
+    _value_changed_connection = signal_value_changed().connect (sigc::mem_fun (*this, &RegisteredRandom::on_value_changed));
+    _reseeded_connection = signal_reseeded.connect(sigc::mem_fun(*this, &RegisteredRandom::on_value_changed));
+}
+
+void
+RegisteredRandom::setValue (double val, long startseed)
+{
+    Scalar::setValue (val);
+    setStartSeed(startseed);
+}
+
+void
+RegisteredRandom::on_value_changed()
+{
+    if (setProgrammatically) {
+        setProgrammatically = false;
+        return;
+    }
+
+    if (_wr->isUpdating()) {
+        return;
+    }
+    _wr->setUpdating (true);
+
+    Inkscape::SVGOStringStream os;
+    //Force exact 0 if decimals over to 6
+    double val = getValue() < 1e-6 && getValue() > -1e-6?0.0:getValue();
+    os << val << ';' << getStartSeed();
+    write_to_xml(os.str().c_str());
+    _wr->setUpdating (false);
+}
+
+/*#########################################
+ * Registered FONT-BUTTON
+ */
+
+RegisteredFontButton::~RegisteredFontButton()
+{
+    _signal_font_set.disconnect();
+}
+
+RegisteredFontButton::RegisteredFontButton ( const Glib::ustring& label, const Glib::ustring& tip,
+                        const Glib::ustring& key, Registry& wr, Inkscape::XML::Node* repr_in,
+                        SPDocument* doc_in )
+    : RegisteredWidget<FontButton>(label, tip)
+{
+    init_parent(key, wr, repr_in, doc_in);
+    _signal_font_set =  signal_font_value_changed().connect (sigc::mem_fun (*this, &RegisteredFontButton::on_value_changed));
+}
+
+void
+RegisteredFontButton::setValue (Glib::ustring fontspec)
+{
+    FontButton::setValue(fontspec);
+}
+
+void
+RegisteredFontButton::on_value_changed()
+{
+
+    if (_wr->isUpdating())
+        return;
+
+    _wr->setUpdating (true);
+
+    Inkscape::SVGOStringStream os;
+    os << getValue();
+
+    write_to_xml(os.str().c_str());
+
+    _wr->setUpdating (false);
+}
+
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape
+
+/*
+  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 :