Adding upstream version 1.2.2.upstream/1.2.2upstream

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

1 files changed, 1435 insertions, 0 deletions

diff --git a/src/ui/widget/selected-style.cpp b/src/ui/widget/selected-style.cpp
new file mode 100644
index 0000000..433112c
--- /dev/null
+++ b/src/ui/widget/selected-style.cpp
@@ -0,0 +1,1435 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Author:
+ *   buliabyak@gmail.com
+ *   Abhishek Sharma
+ *   Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyright (C) 2005 author
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "selected-style.h"
+
+#include <vector>
+
+#include <gtkmm/separatormenuitem.h>
+
+
+#include "desktop-style.h"
+#include "document-undo.h"
+#include "gradient-chemistry.h"
+#include "message-context.h"
+#include "selection.h"
+
+#include "include/gtkmm_version.h"
+
+#include "object/sp-hatch.h"
+#include "object/sp-linear-gradient.h"
+#include "object/sp-mesh-gradient.h"
+#include "object/sp-namedview.h"
+#include "object/sp-pattern.h"
+#include "object/sp-radial-gradient.h"
+#include "style.h"
+
+#include "svg/css-ostringstream.h"
+#include "svg/svg-color.h"
+
+#include "ui/cursor-utils.h"
+#include "ui/dialog/dialog-container.h"
+#include "ui/dialog/dialog-base.h"
+#include "ui/dialog/fill-and-stroke.h"
+#include "ui/icon-names.h"
+#include "ui/tools/tool-base.h"
+#include "ui/widget/canvas.h"   // Forced redraws.
+#include "ui/widget/color-preview.h"
+#include "ui/widget/gradient-image.h"
+
+#include "widgets/ege-paint-def.h"
+#include "widgets/spw-utilities.h"
+
+using Inkscape::Util::unit_table;
+
+static gdouble const _sw_presets[]     = { 32 ,  16 ,  10 ,  8 ,  6 ,  4 ,  3 ,  2 ,  1.5 ,  1 ,  0.75 ,  0.5 ,  0.25 ,  0.1 };
+static gchar const *const _sw_presets_str[] = {"32", "16", "10", "8", "6", "4", "3", "2", "1.5", "1", "0.75", "0.5", "0.25", "0.1"};
+
+static void
+ss_selection_changed (Inkscape::Selection *, gpointer data)
+{
+    Inkscape::UI::Widget::SelectedStyle *ss = (Inkscape::UI::Widget::SelectedStyle *) data;
+    ss->update();
+}
+
+static void
+ss_selection_modified( Inkscape::Selection *selection, guint flags, gpointer data )
+{
+    // Don't update the style when dragging or doing non-style related changes
+    if (flags & (SP_OBJECT_STYLE_MODIFIED_FLAG)) {
+        ss_selection_changed (selection, data);
+    }
+}
+
+static void
+ss_subselection_changed( gpointer /*dragger*/, gpointer data )
+{
+    ss_selection_changed (nullptr, data);
+}
+
+namespace {
+
+void clearTooltip( Gtk::Widget &widget )
+{
+    widget.set_tooltip_text("");
+    widget.set_has_tooltip(false);
+}
+
+} // namespace
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+
+struct DropTracker {
+    SelectedStyle* parent;
+    int item;
+};
+
+/* Drag and Drop */
+enum ui_drop_target_info {
+    APP_OSWB_COLOR
+};
+
+//TODO: warning: deprecated conversion from string constant to ‘gchar*’
+//
+//Turn out to be warnings that we should probably leave in place. The
+// pointers/types used need to be read-only. So until we correct the using
+// code, those warnings are actually desired. They say "Hey! Fix this". We
+// definitely don't want to hide/ignore them. --JonCruz
+static const GtkTargetEntry ui_drop_target_entries [] = {
+    {g_strdup("application/x-oswb-color"), 0, APP_OSWB_COLOR}
+};
+
+static guint nui_drop_target_entries = G_N_ELEMENTS(ui_drop_target_entries);
+
+/* convenience function */
+static Dialog::FillAndStroke *get_fill_and_stroke_panel(SPDesktop *desktop);
+
+SelectedStyle::SelectedStyle(bool /*layout*/)
+    : Gtk::Box(Gtk::ORIENTATION_HORIZONTAL)
+    , current_stroke_width(0)
+    , _sw_unit(nullptr)
+    , _desktop(nullptr)
+    , _table()
+    , _fill_label(_("Fill:"))
+    , _stroke_label(_("Stroke:"))
+    , _opacity_label(_("O:"))
+    , _fill_place(this, SS_FILL)
+    , _stroke_place(this, SS_STROKE)
+    , _fill_flag_place()
+    , _stroke_flag_place()
+    , _opacity_place()
+    , _opacity_adjustment(Gtk::Adjustment::create(100, 0.0, 100, 1.0, 10.0))
+    , _opacity_sb(0.02, 0)
+    , _fill(Gtk::ORIENTATION_HORIZONTAL, 1)
+    , _stroke(Gtk::ORIENTATION_HORIZONTAL)
+    , _stroke_width_place(this)
+    , _stroke_width("")
+    , _fill_empty_space("")
+    , _opacity_blocked(false)
+{
+    set_name("SelectedStyle");
+    _drop[0] = _drop[1] = nullptr;
+    _dropEnabled[0] = _dropEnabled[1] = false;
+
+    _fill_label.set_halign(Gtk::ALIGN_END);
+    _fill_label.set_valign(Gtk::ALIGN_CENTER);
+    _fill_label.set_margin_top(0);
+    _fill_label.set_margin_bottom(0);
+    _stroke_label.set_halign(Gtk::ALIGN_END);
+    _stroke_label.set_valign(Gtk::ALIGN_CENTER);
+    _stroke_label.set_margin_top(0);
+    _stroke_label.set_margin_bottom(0);
+    _opacity_label.set_halign(Gtk::ALIGN_START);
+    _opacity_label.set_valign(Gtk::ALIGN_CENTER);
+    _opacity_label.set_margin_top(0);
+    _opacity_label.set_margin_bottom(0);
+    _stroke_width.set_name("monoStrokeWidth");
+    _fill_empty_space.set_name("fillEmptySpace");
+
+    _fill_label.set_margin_start(0);
+    _fill_label.set_margin_end(0);
+    _stroke_label.set_margin_start(0);
+    _stroke_label.set_margin_end(0);
+    _opacity_label.set_margin_start(0);
+    _opacity_label.set_margin_end(0);
+
+    _table.set_column_spacing(2);
+    _table.set_row_spacing(0);
+
+    for (int i = SS_FILL; i <= SS_STROKE; i++) {
+
+        _na[i].set_markup (_("N/A"));
+        _na[i].show_all();
+        __na[i] = (_("Nothing selected"));
+
+        if (i == SS_FILL) {
+            _none[i].set_markup (C_("Fill", "<i>None</i>"));
+        } else {
+            _none[i].set_markup (C_("Stroke", "<i>None</i>"));
+        }
+        _none[i].show_all();
+        __none[i] = (i == SS_FILL)? (C_("Fill and stroke", "No fill, middle-click for black fill")) : (C_("Fill and stroke", "No stroke, middle-click for black stroke"));
+
+        _pattern[i].set_markup (_("Pattern"));
+        _pattern[i].show_all();
+        __pattern[i] = (i == SS_FILL)? (_("Pattern (fill)")) : (_("Pattern (stroke)"));
+
+        _hatch[i].set_markup(_("Hatch"));
+        _hatch[i].show_all();
+        __hatch[i] = (i == SS_FILL) ? (_("Hatch (fill)")) : (_("Hatch (stroke)"));
+
+        _lgradient[i].set_markup (_("<b>L</b>"));
+        _lgradient[i].show_all();
+        __lgradient[i] = (i == SS_FILL)? (_("Linear gradient (fill)")) : (_("Linear gradient (stroke)"));
+
+        _gradient_preview_l[i] = Gtk::manage(new GradientImage(nullptr));
+        _gradient_box_l[i].set_orientation(Gtk::ORIENTATION_HORIZONTAL);
+        _gradient_box_l[i].pack_start(_lgradient[i]);
+        _gradient_box_l[i].pack_start(*_gradient_preview_l[i]);
+        _gradient_box_l[i].show_all();
+
+        _rgradient[i].set_markup (_("<b>R</b>"));
+        _rgradient[i].show_all();
+        __rgradient[i] = (i == SS_FILL)? (_("Radial gradient (fill)")) : (_("Radial gradient (stroke)"));
+
+        _gradient_preview_r[i] = Gtk::manage(new GradientImage(nullptr));
+        _gradient_box_r[i].set_orientation(Gtk::ORIENTATION_HORIZONTAL);
+        _gradient_box_r[i].pack_start(_rgradient[i]);
+        _gradient_box_r[i].pack_start(*_gradient_preview_r[i]);
+        _gradient_box_r[i].show_all();
+
+#ifdef WITH_MESH
+        _mgradient[i].set_markup (_("<b>M</b>"));
+        _mgradient[i].show_all();
+        __mgradient[i] = (i == SS_FILL)? (_("Mesh gradient (fill)")) : (_("Mesh gradient (stroke)"));
+
+        _gradient_preview_m[i] = Gtk::manage(new GradientImage(nullptr));
+        _gradient_box_m[i].set_orientation(Gtk::ORIENTATION_HORIZONTAL);
+        _gradient_box_m[i].pack_start(_mgradient[i]);
+        _gradient_box_m[i].pack_start(*_gradient_preview_m[i]);
+        _gradient_box_m[i].show_all();
+#endif
+
+        _many[i].set_markup (_("≠"));
+        _many[i].show_all();
+        __many[i] = (i == SS_FILL)? (_("Different fills")) : (_("Different strokes"));
+
+        _unset[i].set_markup (_("<b>Unset</b>"));
+        _unset[i].show_all();
+        __unset[i] = (i == SS_FILL)? (_("Unset fill")) : (_("Unset stroke"));
+
+        _color_preview[i] = new Inkscape::UI::Widget::ColorPreview (0);
+        __color[i] = (i == SS_FILL)? (_("Flat color (fill)")) : (_("Flat color (stroke)"));
+
+        // TRANSLATORS: A means "Averaged"
+        _averaged[i].set_markup (_("<b>a</b>"));
+        _averaged[i].show_all();
+        __averaged[i] = (i == SS_FILL)? (_("Fill is averaged over selected objects")) : (_("Stroke is averaged over selected objects"));
+
+        // TRANSLATORS: M means "Multiple"
+        _multiple[i].set_markup (_("<b>m</b>"));
+        _multiple[i].show_all();
+        __multiple[i] = (i == SS_FILL)? (_("Multiple selected objects have the same fill")) : (_("Multiple selected objects have the same stroke"));
+
+        _popup_edit[i].add(*(new Gtk::Label((i == SS_FILL)? _("Edit fill...") : _("Edit stroke..."), Gtk::ALIGN_START)));
+        _popup_edit[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_edit : &SelectedStyle::on_stroke_edit ));
+
+        _popup_lastused[i].add(*(new Gtk::Label(_("Last set color"), Gtk::ALIGN_START)));
+        _popup_lastused[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_lastused : &SelectedStyle::on_stroke_lastused ));
+
+        _popup_lastselected[i].add(*(new Gtk::Label(_("Last selected color"), Gtk::ALIGN_START)));
+        _popup_lastselected[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_lastselected : &SelectedStyle::on_stroke_lastselected ));
+
+        _popup_invert[i].add(*(new Gtk::Label(_("Invert"), Gtk::ALIGN_START)));
+        _popup_invert[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_invert : &SelectedStyle::on_stroke_invert ));
+
+        _popup_white[i].add(*(new Gtk::Label(_("White"), Gtk::ALIGN_START)));
+        _popup_white[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_white : &SelectedStyle::on_stroke_white ));
+
+        _popup_black[i].add(*(new Gtk::Label(_("Black"), Gtk::ALIGN_START)));
+        _popup_black[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_black : &SelectedStyle::on_stroke_black ));
+
+        _popup_copy[i].add(*(new Gtk::Label(_("Copy color"), Gtk::ALIGN_START)));
+        _popup_copy[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_copy : &SelectedStyle::on_stroke_copy ));
+
+        _popup_paste[i].add(*(new Gtk::Label(_("Paste color"), Gtk::ALIGN_START)));
+        _popup_paste[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_paste : &SelectedStyle::on_stroke_paste ));
+
+        _popup_swap[i].add(*(new Gtk::Label(_("Swap fill and stroke"), Gtk::ALIGN_START)));
+        _popup_swap[i].signal_activate().connect(sigc::mem_fun(*this,
+                               &SelectedStyle::on_fillstroke_swap));
+
+        _popup_opaque[i].add(*(new Gtk::Label((i == SS_FILL)? _("Make fill opaque") : _("Make stroke opaque"), Gtk::ALIGN_START)));
+        _popup_opaque[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_opaque : &SelectedStyle::on_stroke_opaque ));
+
+        //TRANSLATORS COMMENT: unset is a verb here
+        _popup_unset[i].add(*(new Gtk::Label((i == SS_FILL)? _("Unset fill") : _("Unset stroke"), Gtk::ALIGN_START)));
+        _popup_unset[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_unset : &SelectedStyle::on_stroke_unset ));
+
+        _popup_remove[i].add(*(new Gtk::Label((i == SS_FILL)? _("Remove fill") : _("Remove stroke"), Gtk::ALIGN_START)));
+        _popup_remove[i].signal_activate().connect(sigc::mem_fun(*this,
+                               (i == SS_FILL)? &SelectedStyle::on_fill_remove : &SelectedStyle::on_stroke_remove ));
+
+        _popup[i].attach(_popup_edit[i], 0,1, 0,1);
+          _popup[i].attach(*(new Gtk::SeparatorMenuItem()), 0,1, 1,2);
+        _popup[i].attach(_popup_lastused[i], 0,1, 2,3);
+        _popup[i].attach(_popup_lastselected[i], 0,1, 3,4);
+          _popup[i].attach(*(new Gtk::SeparatorMenuItem()), 0,1, 4,5);
+        _popup[i].attach(_popup_invert[i], 0,1, 5,6);
+          _popup[i].attach(*(new Gtk::SeparatorMenuItem()), 0,1, 6,7);
+        _popup[i].attach(_popup_white[i], 0,1, 7,8);
+        _popup[i].attach(_popup_black[i], 0,1, 8,9);
+          _popup[i].attach(*(new Gtk::SeparatorMenuItem()), 0,1, 9,10);
+        _popup[i].attach(_popup_copy[i], 0,1, 10,11);
+        _popup_copy[i].set_sensitive(false);
+        _popup[i].attach(_popup_paste[i], 0,1, 11,12);
+        _popup[i].attach(_popup_swap[i], 0,1, 12,13);
+          _popup[i].attach(*(new Gtk::SeparatorMenuItem()), 0,1, 13,14);
+        _popup[i].attach(_popup_opaque[i], 0,1, 14,15);
+        _popup[i].attach(_popup_unset[i], 0,1, 15,16);
+        _popup[i].attach(_popup_remove[i], 0,1, 16,17);
+        _popup[i].show_all();
+
+        _mode[i] = SS_NA;
+    }
+
+    {
+        int row = 0;
+
+        Inkscape::Util::UnitTable::UnitMap m = unit_table.units(Inkscape::Util::UNIT_TYPE_LINEAR);
+        Inkscape::Util::UnitTable::UnitMap::iterator iter = m.begin();
+        while(iter != m.end()) {
+            Gtk::RadioMenuItem *mi = Gtk::manage(new Gtk::RadioMenuItem(_sw_group));
+            mi->add(*(new Gtk::Label(iter->first, Gtk::ALIGN_START)));
+            _unit_mis.push_back(mi);
+            Inkscape::Util::Unit const *u = unit_table.getUnit(iter->first);
+            mi->signal_activate().connect(sigc::bind<Inkscape::Util::Unit const *>(sigc::mem_fun(*this, &SelectedStyle::on_popup_units), u));
+            _popup_sw.attach(*mi, 0,1, row, row+1);
+            row++;
+            ++iter;
+        }
+
+        _popup_sw.attach(*(new Gtk::SeparatorMenuItem()), 0,1, row, row+1);
+        row++;
+
+        for (guint i = 0; i < G_N_ELEMENTS(_sw_presets_str); ++i) {
+            Gtk::MenuItem *mi = Gtk::manage(new Gtk::MenuItem());
+            mi->add(*(new Gtk::Label(_sw_presets_str[i], Gtk::ALIGN_START)));
+            mi->signal_activate().connect(sigc::bind<int>(sigc::mem_fun(*this, &SelectedStyle::on_popup_preset), i));
+            _popup_sw.attach(*mi, 0,1, row, row+1);
+            row++;
+        }
+
+        _popup_sw.attach(*(new Gtk::SeparatorMenuItem()), 0,1, row, row+1);
+        row++;
+
+        _popup_sw_remove.add(*(new Gtk::Label(_("Remove"), Gtk::ALIGN_START)));
+        _popup_sw_remove.signal_activate().connect(sigc::mem_fun(*this, &SelectedStyle::on_stroke_remove));
+        _popup_sw.attach(_popup_sw_remove, 0,1, row, row+1);
+        row++;
+
+        _popup_sw.show_all();
+    }
+    // fill row
+    _fill_flag_place.set_size_request(SELECTED_STYLE_FLAG_WIDTH , -1);
+
+    _fill_place.add(_na[SS_FILL]);
+    _fill_place.set_tooltip_text(__na[SS_FILL]);
+    _fill.set_size_request(SELECTED_STYLE_PLACE_WIDTH, -1);
+    _fill.pack_start(_fill_place, Gtk::PACK_EXPAND_WIDGET);
+
+    _fill_empty_space.set_size_request(SELECTED_STYLE_STROKE_WIDTH);
+
+    // stroke row
+    _stroke_flag_place.set_size_request(SELECTED_STYLE_FLAG_WIDTH, -1);
+
+    _stroke_place.add(_na[SS_STROKE]);
+    _stroke_place.set_tooltip_text(__na[SS_STROKE]);
+    _stroke.set_size_request(SELECTED_STYLE_PLACE_WIDTH, -1);
+    _stroke.pack_start(_stroke_place, Gtk::PACK_EXPAND_WIDGET);
+
+    _stroke_width_place.add(_stroke_width);
+    _stroke_width_place.set_size_request(SELECTED_STYLE_STROKE_WIDTH);
+
+    // opacity selector
+    _opacity_place.add(_opacity_label);
+
+    _opacity_sb.set_adjustment(_opacity_adjustment);
+    _opacity_sb.set_size_request (SELECTED_STYLE_SB_WIDTH, -1);
+    _opacity_sb.set_sensitive (false);
+
+    // arrange in table
+    _table.attach(_fill_label, 0, 0, 1, 1);
+    _table.attach(_stroke_label, 0, 1, 1, 1);
+
+    _table.attach(_fill_flag_place, 1, 0, 1, 1);
+    _table.attach(_stroke_flag_place, 1, 1, 1, 1);
+
+    _table.attach(_fill, 2, 0, 1, 1);
+    _table.attach(_stroke, 2, 1, 1, 1);
+
+    _table.attach(_fill_empty_space, 3, 0, 1, 1);
+    _table.attach(_stroke_width_place, 3, 1, 1, 1);
+
+    _table.attach(_opacity_place, 4, 0, 1, 2);
+    _table.attach(_opacity_sb, 5, 0, 1, 2);
+
+    pack_start(_table, true, true, 2);
+
+    set_size_request (SELECTED_STYLE_WIDTH, -1);
+
+    _drop[SS_FILL] = new DropTracker();
+    ((DropTracker*)_drop[SS_FILL])->parent = this;
+    ((DropTracker*)_drop[SS_FILL])->item = SS_FILL;
+
+    _drop[SS_STROKE] = new DropTracker();
+    ((DropTracker*)_drop[SS_STROKE])->parent = this;
+    ((DropTracker*)_drop[SS_STROKE])->item = SS_STROKE;
+
+    g_signal_connect(_stroke_place.gobj(),
+                     "drag_data_received",
+                     G_CALLBACK(dragDataReceived),
+                     _drop[SS_STROKE]);
+
+    g_signal_connect(_fill_place.gobj(),
+                     "drag_data_received",
+                     G_CALLBACK(dragDataReceived),
+                     _drop[SS_FILL]);
+
+    _fill_place.signal_button_release_event().connect(sigc::mem_fun(*this, &SelectedStyle::on_fill_click));
+    _stroke_place.signal_button_release_event().connect(sigc::mem_fun(*this, &SelectedStyle::on_stroke_click));
+    _opacity_place.signal_button_press_event().connect(sigc::mem_fun(*this, &SelectedStyle::on_opacity_click));
+    _stroke_width_place.signal_button_press_event().connect(sigc::mem_fun(*this, &SelectedStyle::on_sw_click));
+    _stroke_width_place.signal_button_release_event().connect(sigc::mem_fun(*this, &SelectedStyle::on_sw_click));
+    _opacity_sb.signal_populate_popup().connect(sigc::mem_fun(*this, &SelectedStyle::on_opacity_menu));
+    _opacity_sb.signal_value_changed().connect(sigc::mem_fun(*this, &SelectedStyle::on_opacity_changed));
+}
+
+SelectedStyle::~SelectedStyle()
+{
+    selection_changed_connection->disconnect();
+    delete selection_changed_connection;
+    selection_modified_connection->disconnect();
+    delete selection_modified_connection;
+    subselection_changed_connection->disconnect();
+    delete subselection_changed_connection;
+    _unit_mis.clear();
+
+    _fill_place.remove();
+    _stroke_place.remove();
+
+    for (int i = SS_FILL; i <= SS_STROKE; i++) {
+        delete _color_preview[i];
+    }
+
+    delete (DropTracker*)_drop[SS_FILL];
+    delete (DropTracker*)_drop[SS_STROKE];
+}
+
+void
+SelectedStyle::setDesktop(SPDesktop *desktop)
+{
+    _desktop = desktop;
+
+    Inkscape::Selection *selection = desktop->getSelection();
+
+    selection_changed_connection = new sigc::connection (selection->connectChanged(
+        sigc::bind (
+            sigc::ptr_fun(&ss_selection_changed),
+            this )
+    ));
+    selection_modified_connection = new sigc::connection (selection->connectModified(
+        sigc::bind (
+            sigc::ptr_fun(&ss_selection_modified),
+            this )
+    ));
+    subselection_changed_connection = new sigc::connection (desktop->connectToolSubselectionChanged(
+        sigc::bind (
+            sigc::ptr_fun(&ss_subselection_changed),
+            this )
+    ));
+
+    _sw_unit = desktop->getNamedView()->display_units;
+
+    // Set the doc default unit active in the units list
+    for ( auto mi:_unit_mis ) {
+        if (mi && mi->get_label() == _sw_unit->abbr) {
+            mi->set_active();
+            break;
+        }
+    }
+}
+
+void SelectedStyle::dragDataReceived( GtkWidget */*widget*/,
+                                      GdkDragContext */*drag_context*/,
+                                      gint /*x*/, gint /*y*/,
+                                      GtkSelectionData *data,
+                                      guint /*info*/,
+                                      guint /*event_time*/,
+                                      gpointer user_data )
+{
+    DropTracker* tracker = (DropTracker*)user_data;
+
+    // copied from drag-and-drop.cpp, case APP_OSWB_COLOR
+    bool worked = false;
+    Glib::ustring colorspec;
+    if (gtk_selection_data_get_format(data) == 8) {
+        ege::PaintDef color;
+        worked = color.fromMIMEData("application/x-oswb-color",
+                                    reinterpret_cast<char const *>(gtk_selection_data_get_data(data)),
+                                    gtk_selection_data_get_length(data),
+                                    gtk_selection_data_get_format(data));
+        if (worked) {
+            if (color.getType() == ege::PaintDef::CLEAR) {
+                colorspec = ""; // TODO check if this is sufficient
+            } else if (color.getType() == ege::PaintDef::NONE) {
+                colorspec = "none";
+            } else {
+                unsigned int r = color.getR();
+                unsigned int g = color.getG();
+                unsigned int b = color.getB();
+
+                gchar* tmp = g_strdup_printf("#%02x%02x%02x", r, g, b);
+                colorspec = tmp;
+                g_free(tmp);
+            }
+        }
+    }
+    if (worked) {
+        SPCSSAttr *css = sp_repr_css_attr_new();
+        sp_repr_css_set_property(css, (tracker->item == SS_FILL) ? "fill":"stroke", colorspec.c_str());
+
+        sp_desktop_set_style(tracker->parent->_desktop, css);
+        sp_repr_css_attr_unref(css);
+        DocumentUndo::done(tracker->parent->_desktop->getDocument(), _("Drop color"), "");
+    }
+}
+
+void SelectedStyle::on_fill_remove() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    sp_repr_css_set_property (css, "fill", "none");
+    sp_desktop_set_style (_desktop, css, true, true);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Remove fill"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_stroke_remove() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    sp_repr_css_set_property (css, "stroke", "none");
+    sp_desktop_set_style (_desktop, css, true, true);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Remove stroke"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_fill_unset() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    sp_repr_css_unset_property (css, "fill");
+    sp_desktop_set_style (_desktop, css, true, true);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Unset fill"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+
+}
+
+void SelectedStyle::on_stroke_unset() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    sp_repr_css_unset_property (css, "stroke");
+    sp_repr_css_unset_property (css, "stroke-opacity");
+    sp_repr_css_unset_property (css, "stroke-width");
+    sp_repr_css_unset_property (css, "stroke-miterlimit");
+    sp_repr_css_unset_property (css, "stroke-linejoin");
+    sp_repr_css_unset_property (css, "stroke-linecap");
+    sp_repr_css_unset_property (css, "stroke-dashoffset");
+    sp_repr_css_unset_property (css, "stroke-dasharray");
+    sp_desktop_set_style (_desktop, css, true, true);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Unset stroke"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_fill_opaque() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    sp_repr_css_set_property (css, "fill-opacity", "1");
+    sp_desktop_set_style (_desktop, css, true);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Make fill opaque"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_stroke_opaque() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    sp_repr_css_set_property (css, "stroke-opacity", "1");
+    sp_desktop_set_style (_desktop, css, true);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Make fill opaque"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_fill_lastused() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    guint32 color = sp_desktop_get_color(_desktop, true);
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c), color);
+    sp_repr_css_set_property (css, "fill", c);
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Apply last set color to fill"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_stroke_lastused() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    guint32 color = sp_desktop_get_color(_desktop, false);
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c), color);
+    sp_repr_css_set_property (css, "stroke", c);
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Apply last set color to stroke"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_fill_lastselected() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c), _lastselected[SS_FILL]);
+    sp_repr_css_set_property (css, "fill", c);
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Apply last selected color to fill"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_stroke_lastselected() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c), _lastselected[SS_STROKE]);
+    sp_repr_css_set_property (css, "stroke", c);
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Apply last selected color to stroke"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_fill_invert() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    guint32 color = _thisselected[SS_FILL];
+    gchar c[64];
+    if (_mode[SS_FILL] == SS_LGRADIENT || _mode[SS_FILL] == SS_RGRADIENT) {
+        sp_gradient_invert_selected_gradients(_desktop, Inkscape::FOR_FILL);
+        return;
+
+    }
+
+    if (_mode[SS_FILL] != SS_COLOR) return;
+    sp_svg_write_color (c, sizeof(c),
+        SP_RGBA32_U_COMPOSE(
+                (255 - SP_RGBA32_R_U(color)),
+                (255 - SP_RGBA32_G_U(color)),
+                (255 - SP_RGBA32_B_U(color)),
+                SP_RGBA32_A_U(color)
+        )
+    );
+    sp_repr_css_set_property (css, "fill", c);
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Invert fill"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_stroke_invert() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    guint32 color = _thisselected[SS_STROKE];
+    gchar c[64];
+    if (_mode[SS_STROKE] == SS_LGRADIENT || _mode[SS_STROKE] == SS_RGRADIENT) {
+        sp_gradient_invert_selected_gradients(_desktop, Inkscape::FOR_STROKE);
+        return;
+    }
+    if (_mode[SS_STROKE] != SS_COLOR) return;
+    sp_svg_write_color (c, sizeof(c),
+        SP_RGBA32_U_COMPOSE(
+                (255 - SP_RGBA32_R_U(color)),
+                (255 - SP_RGBA32_G_U(color)),
+                (255 - SP_RGBA32_B_U(color)),
+                SP_RGBA32_A_U(color)
+        )
+    );
+    sp_repr_css_set_property (css, "stroke", c);
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Invert stroke"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_fill_white() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c), 0xffffffff);
+    sp_repr_css_set_property (css, "fill", c);
+    sp_repr_css_set_property (css, "fill-opacity", "1");
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("White fill"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_stroke_white() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c), 0xffffffff);
+    sp_repr_css_set_property (css, "stroke", c);
+    sp_repr_css_set_property (css, "stroke-opacity", "1");
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("White stroke"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_fill_black() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c), 0x000000ff);
+    sp_repr_css_set_property (css, "fill", c);
+    sp_repr_css_set_property (css, "fill-opacity", "1.0");
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Black fill"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_stroke_black() {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c), 0x000000ff);
+    sp_repr_css_set_property (css, "stroke", c);
+    sp_repr_css_set_property (css, "stroke-opacity", "1.0");
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Black stroke"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+}
+
+void SelectedStyle::on_fill_copy() {
+    if (_mode[SS_FILL] == SS_COLOR) {
+        gchar c[64];
+        sp_svg_write_color (c, sizeof(c), _thisselected[SS_FILL]);
+        Glib::ustring text;
+        text += c;
+        if (!text.empty()) {
+            Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
+            refClipboard->set_text(text);
+        }
+    }
+}
+
+void SelectedStyle::on_stroke_copy() {
+    if (_mode[SS_STROKE] == SS_COLOR) {
+        gchar c[64];
+        sp_svg_write_color (c, sizeof(c), _thisselected[SS_STROKE]);
+        Glib::ustring text;
+        text += c;
+        if (!text.empty()) {
+            Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
+            refClipboard->set_text(text);
+        }
+    }
+}
+
+void SelectedStyle::on_fill_paste() {
+    Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
+    Glib::ustring const text = refClipboard->wait_for_text();
+
+    if (!text.empty()) {
+        guint32 color = sp_svg_read_color(text.c_str(), 0x000000ff); // impossible value, as SVG color cannot have opacity
+        if (color == 0x000000ff) // failed to parse color string
+            return;
+
+        SPCSSAttr *css = sp_repr_css_attr_new ();
+        sp_repr_css_set_property (css, "fill", text.c_str());
+        sp_desktop_set_style (_desktop, css);
+        sp_repr_css_attr_unref (css);
+        DocumentUndo::done(_desktop->getDocument(), _("Paste fill"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+    }
+}
+
+void SelectedStyle::on_stroke_paste() {
+    Glib::RefPtr<Gtk::Clipboard> refClipboard = Gtk::Clipboard::get();
+    Glib::ustring const text = refClipboard->wait_for_text();
+
+    if (!text.empty()) {
+        guint32 color = sp_svg_read_color(text.c_str(), 0x000000ff); // impossible value, as SVG color cannot have opacity
+        if (color == 0x000000ff) // failed to parse color string
+            return;
+
+        SPCSSAttr *css = sp_repr_css_attr_new ();
+        sp_repr_css_set_property (css, "stroke", text.c_str());
+        sp_desktop_set_style (_desktop, css);
+        sp_repr_css_attr_unref (css);
+        DocumentUndo::done(_desktop->getDocument(), _("Paste stroke"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+    }
+}
+
+void SelectedStyle::on_fillstroke_swap() {
+    _desktop->getSelection()->swapFillStroke();
+}
+
+void SelectedStyle::on_fill_edit() {
+    if (Dialog::FillAndStroke *fs = get_fill_and_stroke_panel(_desktop))
+        fs->showPageFill();
+}
+
+void SelectedStyle::on_stroke_edit() {
+    if (Dialog::FillAndStroke *fs = get_fill_and_stroke_panel(_desktop))
+        fs->showPageStrokePaint();
+}
+
+bool
+SelectedStyle::on_fill_click(GdkEventButton *event)
+{
+    if (event->button == 1) { // click, open fill&stroke
+
+        if (Dialog::FillAndStroke *fs = get_fill_and_stroke_panel(_desktop))
+            fs->showPageFill();
+
+    } else if (event->button == 3) { // right-click, popup menu
+        _popup[SS_FILL].popup_at_pointer(reinterpret_cast<GdkEvent *>(event));
+    } else if (event->button == 2) { // middle click, toggle none/lastcolor
+        if (_mode[SS_FILL] == SS_NONE) {
+            on_fill_lastused();
+        } else {
+            on_fill_remove();
+        }
+    }
+    return true;
+}
+
+bool
+SelectedStyle::on_stroke_click(GdkEventButton *event)
+{
+    if (event->button == 1) { // click, open fill&stroke
+        if (Dialog::FillAndStroke *fs = get_fill_and_stroke_panel(_desktop))
+            fs->showPageStrokePaint();
+    } else if (event->button == 3) { // right-click, popup menu
+        _popup[SS_STROKE].popup_at_pointer(reinterpret_cast<GdkEvent *>(event));
+    } else if (event->button == 2) { // middle click, toggle none/lastcolor
+        if (_mode[SS_STROKE] == SS_NONE) {
+            on_stroke_lastused();
+        } else {
+            on_stroke_remove();
+        }
+    }
+    return true;
+}
+
+bool
+SelectedStyle::on_sw_click(GdkEventButton *event)
+{
+    if (event->button == 1) { // click, open fill&stroke
+        if (Dialog::FillAndStroke *fs = get_fill_and_stroke_panel(_desktop))
+            fs->showPageStrokeStyle();
+    } else if (event->button == 3) { // right-click, popup menu
+        _popup_sw.popup_at_pointer(reinterpret_cast<GdkEvent *>(event));
+    } else if (event->button == 2) { // middle click, toggle none/lastwidth?
+        //
+    }
+    return true;
+}
+
+bool
+SelectedStyle::on_opacity_click(GdkEventButton *event)
+{
+    if (event->button == 2) { // middle click
+        const char* opacity = _opacity_sb.get_value() < 50? "0.5" : (_opacity_sb.get_value() == 100? "0" : "1");
+        SPCSSAttr *css = sp_repr_css_attr_new ();
+        sp_repr_css_set_property (css, "opacity", opacity);
+        sp_desktop_set_style (_desktop, css);
+        sp_repr_css_attr_unref (css);
+        DocumentUndo::done(_desktop->getDocument(), _("Change opacity"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+        return true;
+    }
+
+    return false;
+}
+
+void SelectedStyle::on_popup_units(Inkscape::Util::Unit const *unit) {
+    _sw_unit = unit;
+    update();
+}
+
+void SelectedStyle::on_popup_preset(int i) {
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    gdouble w;
+    if (_sw_unit) {
+        w = Inkscape::Util::Quantity::convert(_sw_presets[i], _sw_unit, "px");
+    } else {
+        w = _sw_presets[i];
+    }
+    Inkscape::CSSOStringStream os;
+    os << w;
+    sp_repr_css_set_property (css, "stroke-width", os.str().c_str());
+    // FIXME: update dash patterns!
+    sp_desktop_set_style (_desktop, css, true);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::done(_desktop->getDocument(), _("Change stroke width"), INKSCAPE_ICON("swatches"));
+}
+
+void
+SelectedStyle::update()
+{
+    if (_desktop == nullptr)
+        return;
+
+    // create temporary style
+    SPStyle query(_desktop->getDocument());
+
+    for (int i = SS_FILL; i <= SS_STROKE; i++) {
+        Gtk::EventBox *place = (i == SS_FILL)? &_fill_place : &_stroke_place;
+        Gtk::EventBox *flag_place = (i == SS_FILL)? &_fill_flag_place : &_stroke_flag_place;
+
+        place->remove();
+        flag_place->remove();
+
+        clearTooltip(*place);
+        clearTooltip(*flag_place);
+
+        _mode[i] = SS_NA;
+        _paintserver_id[i].clear();
+
+        _popup_copy[i].set_sensitive(false);
+
+        // query style from desktop. This returns a result flag and fills query with the style of subselection, if any, or selection
+        int result = sp_desktop_query_style (_desktop, &query,
+                                             (i == SS_FILL)? QUERY_STYLE_PROPERTY_FILL : QUERY_STYLE_PROPERTY_STROKE);
+        switch (result) {
+        case QUERY_STYLE_NOTHING:
+            place->add(_na[i]);
+            place->set_tooltip_text(__na[i]);
+            _mode[i] = SS_NA;
+            if ( _dropEnabled[i] ) {
+                gtk_drag_dest_unset( GTK_WIDGET((i==SS_FILL) ? _fill_place.gobj():_stroke_place.gobj()) );
+                _dropEnabled[i] = false;
+            }
+            break;
+        case QUERY_STYLE_SINGLE:
+        case QUERY_STYLE_MULTIPLE_AVERAGED:
+        case QUERY_STYLE_MULTIPLE_SAME:
+            if ( !_dropEnabled[i] ) {
+                gtk_drag_dest_set( GTK_WIDGET( (i==SS_FILL) ? _fill_place.gobj():_stroke_place.gobj()),
+                                   GTK_DEST_DEFAULT_ALL,
+                                   ui_drop_target_entries,
+                                   nui_drop_target_entries,
+                                   GdkDragAction(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
+                _dropEnabled[i] = true;
+            }
+            SPIPaint *paint;
+            if (i == SS_FILL) {
+                paint = &(query.fill);
+            } else {
+                paint = &(query.stroke);
+            }
+            if (paint->set && paint->isPaintserver()) {
+                SPPaintServer *server = (i == SS_FILL)? SP_STYLE_FILL_SERVER (&query) : SP_STYLE_STROKE_SERVER (&query);
+                if ( server ) {
+                    Inkscape::XML::Node *srepr = server->getRepr();
+                    _paintserver_id[i] += "url(#";
+                    _paintserver_id[i] += srepr->attribute("id");
+                    _paintserver_id[i] += ")";
+
+                    if (SP_IS_LINEARGRADIENT(server)) {
+                        SPGradient *vector = SP_GRADIENT(server)->getVector();
+                        _gradient_preview_l[i]->set_gradient(vector);
+                        place->add(_gradient_box_l[i]);
+                        place->set_tooltip_text(__lgradient[i]);
+                        _mode[i] = SS_LGRADIENT;
+                    } else if (SP_IS_RADIALGRADIENT(server)) {
+                        SPGradient *vector = SP_GRADIENT(server)->getVector();
+                        _gradient_preview_r[i]->set_gradient(vector);
+                        place->add(_gradient_box_r[i]);
+                        place->set_tooltip_text(__rgradient[i]);
+                        _mode[i] = SS_RGRADIENT;
+#ifdef WITH_MESH
+                    } else if (SP_IS_MESHGRADIENT(server)) {
+                        SPGradient *array = SP_GRADIENT(server)->getArray();
+                        _gradient_preview_m[i]->set_gradient(array);
+                        place->add(_gradient_box_m[i]);
+                        place->set_tooltip_text(__mgradient[i]);
+                        _mode[i] = SS_MGRADIENT;
+#endif
+                    } else if (SP_IS_PATTERN(server)) {
+                        place->add(_pattern[i]);
+                        place->set_tooltip_text(__pattern[i]);
+                        _mode[i] = SS_PATTERN;
+                    } else if (SP_IS_HATCH(server)) {
+                        place->add(_hatch[i]);
+                        place->set_tooltip_text(__hatch[i]);
+                        _mode[i] = SS_HATCH;
+                    }
+                } else {
+                    g_warning ("file %s: line %d: Unknown paint server", __FILE__, __LINE__);
+                }
+            } else if (paint->set && paint->isColor()) {
+                guint32 color = paint->value.color.toRGBA32(
+                                     SP_SCALE24_TO_FLOAT ((i == SS_FILL)? query.fill_opacity.value : query.stroke_opacity.value));
+                _lastselected[i] = _thisselected[i];
+                _thisselected[i] = color; // include opacity
+                ((Inkscape::UI::Widget::ColorPreview*)_color_preview[i])->setRgba32 (color);
+                _color_preview[i]->show_all();
+                place->add(*_color_preview[i]);
+                gchar c_string[64];
+                g_snprintf (c_string, 64, "%06x/%.3g", color >> 8, SP_RGBA32_A_F(color));
+                place->set_tooltip_text(__color[i] + ": " + c_string + _(", drag to adjust, middle-click to remove"));
+                _mode[i] = SS_COLOR;
+                _popup_copy[i].set_sensitive(true);
+
+            } else if (paint->set && paint->isNone()) {
+                place->add(_none[i]);
+                place->set_tooltip_text(__none[i]);
+                _mode[i] = SS_NONE;
+            } else if (!paint->set) {
+                place->add(_unset[i]);
+                place->set_tooltip_text(__unset[i]);
+                _mode[i] = SS_UNSET;
+            }
+            if (result == QUERY_STYLE_MULTIPLE_AVERAGED) {
+                flag_place->add(_averaged[i]);
+                flag_place->set_tooltip_text(__averaged[i]);
+            } else if (result == QUERY_STYLE_MULTIPLE_SAME) {
+                flag_place->add(_multiple[i]);
+                flag_place->set_tooltip_text(__multiple[i]);
+            }
+            break;
+        case QUERY_STYLE_MULTIPLE_DIFFERENT:
+            place->add(_many[i]);
+            place->set_tooltip_text(__many[i]);
+            _mode[i] = SS_MANY;
+            break;
+        default:
+            break;
+        }
+    }
+
+// Now query opacity
+    clearTooltip(_opacity_place);
+    clearTooltip(_opacity_sb);
+
+    int result = sp_desktop_query_style (_desktop, &query, QUERY_STYLE_PROPERTY_MASTEROPACITY);
+
+    switch (result) {
+    case QUERY_STYLE_NOTHING:
+        _opacity_place.set_tooltip_text(_("Nothing selected"));
+        _opacity_sb.set_tooltip_text(_("Nothing selected"));
+        _opacity_sb.set_sensitive(false);
+        break;
+    case QUERY_STYLE_SINGLE:
+    case QUERY_STYLE_MULTIPLE_AVERAGED:
+    case QUERY_STYLE_MULTIPLE_SAME:
+        _opacity_place.set_tooltip_text(_("Opacity (%)"));
+        _opacity_sb.set_tooltip_text(_("Opacity (%)"));
+        if (_opacity_blocked) break;
+        _opacity_blocked = true;
+        _opacity_sb.set_sensitive(true);
+        _opacity_adjustment->set_value(SP_SCALE24_TO_FLOAT(query.opacity.value) * 100);
+        _opacity_blocked = false;
+        break;
+    }
+
+// Now query stroke_width
+    int result_sw = sp_desktop_query_style (_desktop, &query, QUERY_STYLE_PROPERTY_STROKEWIDTH);
+    switch (result_sw) {
+    case QUERY_STYLE_NOTHING:
+        _stroke_width.set_markup("");
+        current_stroke_width = 0;
+        break;
+    case QUERY_STYLE_SINGLE:
+    case QUERY_STYLE_MULTIPLE_AVERAGED:
+    case QUERY_STYLE_MULTIPLE_SAME:
+    {
+        if (query.stroke_extensions.hairline) {
+            _stroke_width.set_markup(_("Hairline"));
+            auto str = Glib::ustring::compose(_("Stroke width: %1"), _("Hairline"));
+            _stroke_width_place.set_tooltip_text(str);
+        } else {
+            double w;
+            if (_sw_unit) {
+                w = Inkscape::Util::Quantity::convert(query.stroke_width.computed, "px", _sw_unit);
+            } else {
+                w = query.stroke_width.computed;
+            }
+            current_stroke_width = w;
+
+            {
+                gchar *str = g_strdup_printf(" %#.3g", w);
+                if (str[strlen(str) - 1] == ',' || str[strlen(str) - 1] == '.') {
+                    str[strlen(str)-1] = '\0';
+                }
+                _stroke_width.set_markup(str);
+                g_free (str);
+            }
+            {
+                gchar *str = g_strdup_printf(_("Stroke width: %.5g%s%s"),
+                                             w,
+                                             _sw_unit? _sw_unit->abbr.c_str() : "px",
+                                             (result_sw == QUERY_STYLE_MULTIPLE_AVERAGED)?
+                                             _(" (averaged)") : "");
+                _stroke_width_place.set_tooltip_text(str);
+                g_free (str);
+            }
+        }
+        break;
+    }
+    default:
+        break;
+    }
+}
+
+void SelectedStyle::opacity_0() {_opacity_sb.set_value(0);}
+void SelectedStyle::opacity_025() {_opacity_sb.set_value(25);}
+void SelectedStyle::opacity_05() {_opacity_sb.set_value(50);}
+void SelectedStyle::opacity_075() {_opacity_sb.set_value(75);}
+void SelectedStyle::opacity_1() {_opacity_sb.set_value(100);}
+
+void SelectedStyle::on_opacity_menu (Gtk::Menu *menu) {
+
+    std::vector<Gtk::Widget *> children = menu->get_children();
+    for (auto iter : children) {
+        menu->remove(*iter);
+    }
+
+    {
+        Gtk::MenuItem *item = new Gtk::MenuItem;
+        item->add(*(new Gtk::Label(_("0 (transparent)"), Gtk::ALIGN_START, Gtk::ALIGN_START)));
+        item->signal_activate().connect(sigc::mem_fun(*this, &SelectedStyle::opacity_0 ));
+        menu->add(*item);
+    }
+    {
+        Gtk::MenuItem *item = new Gtk::MenuItem;
+        item->add(*(new Gtk::Label("25%", Gtk::ALIGN_START, Gtk::ALIGN_START)));
+        item->signal_activate().connect(sigc::mem_fun(*this, &SelectedStyle::opacity_025 ));
+        menu->add(*item);
+    }
+    {
+        Gtk::MenuItem *item = new Gtk::MenuItem;
+        item->add(*(new Gtk::Label("50%", Gtk::ALIGN_START, Gtk::ALIGN_START)));
+        item->signal_activate().connect(sigc::mem_fun(*this, &SelectedStyle::opacity_05 ));
+        menu->add(*item);
+    }
+    {
+        Gtk::MenuItem *item = new Gtk::MenuItem;
+        item->add(*(new Gtk::Label("75%", Gtk::ALIGN_START, Gtk::ALIGN_START)));
+        item->signal_activate().connect(sigc::mem_fun(*this, &SelectedStyle::opacity_075 ));
+        menu->add(*item);
+    }
+    {
+        Gtk::MenuItem *item = new Gtk::MenuItem;
+        item->add(*(new Gtk::Label(_("100% (opaque)"), Gtk::ALIGN_START, Gtk::ALIGN_START)));
+        item->signal_activate().connect(sigc::mem_fun(*this, &SelectedStyle::opacity_1 ));
+        menu->add(*item);
+    }
+
+    menu->show_all();
+}
+
+void SelectedStyle::on_opacity_changed ()
+{
+    g_return_if_fail(_desktop); // TODO this shouldn't happen!
+    if (_opacity_blocked)
+        return;
+    _opacity_blocked = true;
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    Inkscape::CSSOStringStream os;
+    os << CLAMP ((_opacity_adjustment->get_value() / 100), 0.0, 1.0);
+    sp_repr_css_set_property (css, "opacity", os.str().c_str());
+    sp_desktop_set_style (_desktop, css);
+    sp_repr_css_attr_unref (css);
+    DocumentUndo::maybeDone(_desktop->getDocument(), "fillstroke:opacity", _("Change opacity"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+    _opacity_blocked = false;
+}
+
+/* =============================================  RotateableSwatch  */
+
+RotateableSwatch::RotateableSwatch(SelectedStyle *parent, guint mode)
+    : fillstroke(mode)
+    , parent(parent)
+{
+}
+
+RotateableSwatch::~RotateableSwatch() = default;
+
+double
+RotateableSwatch::color_adjust(float *hsla, double by, guint32 cc, guint modifier)
+{
+    SPColor::rgb_to_hsl_floatv (hsla, SP_RGBA32_R_F(cc), SP_RGBA32_G_F(cc), SP_RGBA32_B_F(cc));
+    hsla[3] = SP_RGBA32_A_F(cc);
+    double diff = 0;
+    if (modifier == 2) { // saturation
+        double old = hsla[1];
+        if (by > 0) {
+            hsla[1] += by * (1 - hsla[1]);
+        } else {
+            hsla[1] += by * (hsla[1]);
+        }
+        diff = hsla[1] - old;
+    } else if (modifier == 1) { // lightness
+        double old = hsla[2];
+        if (by > 0) {
+            hsla[2] += by * (1 - hsla[2]);
+        } else {
+            hsla[2] += by * (hsla[2]);
+        }
+        diff = hsla[2] - old;
+    } else if (modifier == 3) { // alpha
+        double old = hsla[3];
+        hsla[3] += by/2;
+        if (hsla[3] < 0) {
+            hsla[3] = 0;
+        } else if (hsla[3] > 1) {
+            hsla[3] = 1;
+        }
+        diff = hsla[3] - old;
+    } else { // hue
+        double old = hsla[0];
+        hsla[0] += by/2;
+        while (hsla[0] < 0)
+            hsla[0] += 1;
+        while (hsla[0] > 1)
+            hsla[0] -= 1;
+        diff = hsla[0] - old;
+    }
+
+    float rgb[3];
+    SPColor::hsl_to_rgb_floatv (rgb, hsla[0], hsla[1], hsla[2]);
+
+    gchar c[64];
+    sp_svg_write_color (c, sizeof(c),
+        SP_RGBA32_U_COMPOSE(
+                (SP_COLOR_F_TO_U(rgb[0])),
+                (SP_COLOR_F_TO_U(rgb[1])),
+                (SP_COLOR_F_TO_U(rgb[2])),
+                0xff
+        )
+    );
+
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+
+    if (modifier == 3) { // alpha
+        Inkscape::CSSOStringStream osalpha;
+        osalpha << hsla[3];
+        sp_repr_css_set_property(css, (fillstroke == SS_FILL) ? "fill-opacity" : "stroke-opacity", osalpha.str().c_str());
+    } else {
+        sp_repr_css_set_property (css, (fillstroke == SS_FILL) ? "fill" : "stroke", c);
+    }
+    sp_desktop_set_style (parent->getDesktop(), css);
+    sp_repr_css_attr_unref (css);
+    return diff;
+}
+
+void
+RotateableSwatch::do_motion(double by, guint modifier) {
+    if (parent->_mode[fillstroke] != SS_COLOR)
+        return;
+
+    if (!scrolling && !cr_set) {
+
+        std::string cursor_filename = "adjust_hue.svg";
+        if (modifier == 2) {
+            cursor_filename = "adjust_saturation.svg";
+        } else if (modifier == 1) {
+            cursor_filename = "adjust_lightness.svg";
+        } else if (modifier == 3) {
+            cursor_filename = "adjust_alpha.svg";
+        }
+
+        auto window = get_window();
+        auto cursor = load_svg_cursor(get_display(), window, cursor_filename);
+        get_window()->set_cursor(cursor);
+    }
+
+    guint32 cc;
+    if (!startcolor_set) {
+        cc = startcolor = parent->_thisselected[fillstroke];
+        startcolor_set = true;
+    } else {
+        cc = startcolor;
+    }
+
+    float hsla[4];
+    double diff = 0;
+
+    diff = color_adjust(hsla, by, cc, modifier);
+
+    if (modifier == 3) { // alpha
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, (_("Adjust alpha")), INKSCAPE_ICON("dialog-fill-and-stroke"));
+        double ch = hsla[3];
+        parent->getDesktop()->event_context->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("Adjusting <b>alpha</b>: was %.3g, now <b>%.3g</b> (diff %.3g); with <b>Ctrl</b> to adjust lightness, with <b>Shift</b> to adjust saturation, without modifiers to adjust hue"), ch - diff, ch, diff);
+
+    } else if (modifier == 2) { // saturation
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, (_("Adjust saturation")), INKSCAPE_ICON("dialog-fill-and-stroke"));
+        double ch = hsla[1];
+        parent->getDesktop()->event_context->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("Adjusting <b>saturation</b>: was %.3g, now <b>%.3g</b> (diff %.3g); with <b>Ctrl</b> to adjust lightness, with <b>Alt</b> to adjust alpha, without modifiers to adjust hue"), ch - diff, ch, diff);
+
+    } else if (modifier == 1) { // lightness
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, (_("Adjust lightness")), INKSCAPE_ICON("dialog-fill-and-stroke"));
+        double ch = hsla[2];
+        parent->getDesktop()->event_context->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("Adjusting <b>lightness</b>: was %.3g, now <b>%.3g</b> (diff %.3g); with <b>Shift</b> to adjust saturation, with <b>Alt</b> to adjust alpha, without modifiers to adjust hue"), ch - diff, ch, diff);
+
+    } else { // hue
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, (_("Adjust hue")), INKSCAPE_ICON("dialog-fill-and-stroke"));
+        double ch = hsla[0];
+        parent->getDesktop()->event_context->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("Adjusting <b>hue</b>: was %.3g, now <b>%.3g</b> (diff %.3g); with <b>Shift</b> to adjust saturation, with <b>Alt</b> to adjust alpha, with <b>Ctrl</b> to adjust lightness"), ch - diff, ch, diff);
+    }
+}
+
+
+void
+RotateableSwatch::do_scroll(double by, guint modifier) {
+    do_motion(by/30.0, modifier);
+    do_release(by/30.0, modifier);
+}
+
+void
+RotateableSwatch::do_release(double by, guint modifier) {
+    if (parent->_mode[fillstroke] != SS_COLOR)
+        return;
+
+    float hsla[4];
+    color_adjust(hsla, by, startcolor, modifier);
+
+    if (cr_set) {
+        get_window()->set_cursor(); // Use parent window cursor.
+        cr_set = false;
+    }
+
+    if (modifier == 3) { // alpha
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, ("Adjust alpha"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+
+    } else if (modifier == 2) { // saturation
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, ("Adjust saturation"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+
+    } else if (modifier == 1) { // lightness
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, ("Adjust lightness"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+
+    } else { // hue
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, ("Adjust hue"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+    }
+
+    if (!strcmp(undokey, "ssrot1")) {
+        undokey = "ssrot2";
+    } else {
+        undokey = "ssrot1";
+    }
+
+    parent->getDesktop()->event_context->message_context->clear();
+    startcolor_set = false;
+}
+
+/* =============================================  RotateableStrokeWidth  */
+
+RotateableStrokeWidth::RotateableStrokeWidth(SelectedStyle *parent) :
+    parent(parent),
+    startvalue(0),
+    startvalue_set(false),
+    undokey("swrot1")
+{
+}
+
+RotateableStrokeWidth::~RotateableStrokeWidth() = default;
+
+double
+RotateableStrokeWidth::value_adjust(double current, double by, guint /*modifier*/, bool final)
+{
+    double newval;
+    // by is -1..1
+    double max_f = 50;  // maximum width is (current * max_f), minimum - zero
+    newval = current * (std::exp(std::log(max_f-1) * (by+1)) - 1) / (max_f-2);
+
+    SPCSSAttr *css = sp_repr_css_attr_new ();
+    if (final && newval < 1e-6) {
+        // if dragged into zero and this is the final adjust on mouse release, delete stroke;
+        // if it's not final, leave it a chance to increase again (which is not possible with "none")
+        sp_repr_css_set_property (css, "stroke", "none");
+    } else {
+        newval = Inkscape::Util::Quantity::convert(newval, parent->_sw_unit, "px");
+        Inkscape::CSSOStringStream os;
+        os << newval;
+        sp_repr_css_set_property (css, "stroke-width", os.str().c_str());
+    }
+
+    sp_desktop_set_style (parent->getDesktop(), css);
+    sp_repr_css_attr_unref (css);
+    return newval - current;
+}
+
+void
+RotateableStrokeWidth::do_motion(double by, guint modifier) {
+
+    // if this is the first motion after a mouse grab, remember the current width
+    if (!startvalue_set) {
+        startvalue = parent->current_stroke_width;
+        // if it's 0, adjusting (which uses multiplication) will not be able to change it, so we
+        // cheat and provide a non-zero value
+        if (startvalue == 0)
+            startvalue = 1;
+        startvalue_set = true;
+    }
+
+    if (modifier == 3) { // Alt, do nothing
+    } else {
+        double diff = value_adjust(startvalue, by, modifier, false);
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, (_("Adjust stroke width")), INKSCAPE_ICON("dialog-fill-and-stroke"));
+        parent->getDesktop()->event_context->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("Adjusting <b>stroke width</b>: was %.3g, now <b>%.3g</b> (diff %.3g)"), startvalue, startvalue + diff, diff);
+    }
+}
+
+void
+RotateableStrokeWidth::do_release(double by, guint modifier) {
+
+    if (modifier == 3) { // do nothing
+
+    } else {
+        value_adjust(startvalue, by, modifier, true);
+        startvalue_set = false;
+        DocumentUndo::maybeDone(parent->getDesktop()->getDocument(), undokey, (_("Adjust stroke width")), INKSCAPE_ICON("dialog-fill-and-stroke"));
+    }
+
+    if (!strcmp(undokey, "swrot1")) {
+        undokey = "swrot2";
+    } else {
+        undokey = "swrot1";
+    }
+    parent->getDesktop()->event_context->message_context->clear();
+}
+
+void
+RotateableStrokeWidth::do_scroll(double by, guint modifier) {
+    do_motion(by/10.0, modifier);
+    startvalue_set = false;
+}
+
+Dialog::FillAndStroke *get_fill_and_stroke_panel(SPDesktop *desktop)
+{
+    desktop->getContainer()->new_dialog("FillStroke");
+    return dynamic_cast<Dialog::FillAndStroke *>(desktop->getContainer()->get_dialog("FillStroke"));
+}
+
+} // namespace Widget
+} // 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 :