Adding upstream version 1.2.2.upstream/1.2.2upstream

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

1 files changed, 295 insertions, 0 deletions

diff --git a/src/ui/toolbar/spiral-toolbar.cpp b/src/ui/toolbar/spiral-toolbar.cpp
new file mode 100644
index 0000000..73ea79e
--- /dev/null
+++ b/src/ui/toolbar/spiral-toolbar.cpp
@@ -0,0 +1,295 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * Spiral 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 v2+, read the file 'COPYING' for more information.
+ */
+
+#include "spiral-toolbar.h"
+
+#include <glibmm/i18n.h>
+
+#include <gtkmm/separatortoolitem.h>
+#include <gtkmm/toolbutton.h>
+
+#include "desktop.h"
+#include "document-undo.h"
+#include "selection.h"
+
+#include "object/sp-spiral.h"
+
+#include "ui/icon-names.h"
+#include "ui/widget/canvas.h"
+#include "ui/widget/label-tool-item.h"
+#include "ui/widget/spin-button-tool-item.h"
+
+#include "xml/node-event-vector.h"
+
+using Inkscape::DocumentUndo;
+
+static Inkscape::XML::NodeEventVector spiral_tb_repr_events = {
+    nullptr, /* child_added */
+    nullptr, /* child_removed */
+    Inkscape::UI::Toolbar::SpiralToolbar::event_attr_changed,
+    nullptr, /* content_changed */
+    nullptr  /* order_changed */
+};
+
+namespace Inkscape {
+namespace UI {
+namespace Toolbar {
+SpiralToolbar::SpiralToolbar(SPDesktop *desktop) :
+        Toolbar(desktop),
+        _freeze(false),
+        _repr(nullptr)
+{
+    auto prefs = Inkscape::Preferences::get();
+
+    {
+        _mode_item = Gtk::manage(new UI::Widget::LabelToolItem(_("<b>New:</b>")));
+        _mode_item->set_use_markup(true);
+        add(*_mode_item);
+    }
+
+    /* Revolution */
+    {
+        std::vector<Glib::ustring> labels = {_("just a curve"),  "", _("one full revolution"), "", "", "", "", "", "",  ""};
+        std::vector<double>        values = {             0.01, 0.5,                        1,  2,  3,  5, 10, 20, 50, 100};
+        auto revolution_val = prefs->getDouble("/tools/shapes/spiral/revolution", 3.0);
+        _revolution_adj = Gtk::Adjustment::create(revolution_val, 0.01, 1024.0, 0.1, 1.0);
+        _revolution_item = Gtk::manage(new UI::Widget::SpinButtonToolItem("spiral-revolutions", _("Turns:"), _revolution_adj, 1, 2));
+        _revolution_item->set_tooltip_text(_("Number of revolutions"));
+        _revolution_item->set_custom_numeric_menu_data(values, labels);
+        _revolution_item->set_focus_widget(desktop->getCanvas());
+        _revolution_adj->signal_value_changed().connect(sigc::bind(sigc::mem_fun(*this, &SpiralToolbar::value_changed),
+                                                                   _revolution_adj, "revolution"));
+        add(*_revolution_item);
+    }
+
+    /* Expansion */
+    {
+        std::vector<Glib::ustring> labels = {_("circle"), _("edge is much denser"), _("edge is denser"), _("even"), _("center is denser"), _("center is much denser"), ""};
+        std::vector<double>        values = {          0,                      0.1,                 0.5,         1,                   1.5,                          5, 20};
+        auto expansion_val = prefs->getDouble("/tools/shapes/spiral/expansion", 1.0);
+        _expansion_adj = Gtk::Adjustment::create(expansion_val, 0.0, 1000.0, 0.01, 1.0);
+
+        _expansion_item = Gtk::manage(new UI::Widget::SpinButtonToolItem("spiral-expansion", _("Divergence:"), _expansion_adj));
+        _expansion_item->set_tooltip_text(_("How much denser/sparser are outer revolutions; 1 = uniform"));
+        _expansion_item->set_custom_numeric_menu_data(values, labels);
+        _expansion_item->set_focus_widget(desktop->getCanvas());
+        _expansion_adj->signal_value_changed().connect(sigc::bind(sigc::mem_fun(*this, &SpiralToolbar::value_changed),
+                                                                  _expansion_adj, "expansion"));
+        add(*_expansion_item);
+    }
+
+    /* T0 */
+    {
+        std::vector<Glib::ustring> labels = {_("starts from center"), _("starts mid-way"), _("starts near edge")};
+        std::vector<double>        values = {                      0,                 0.5,                   0.9};
+        auto t0_val = prefs->getDouble("/tools/shapes/spiral/t0", 0.0);
+        _t0_adj = Gtk::Adjustment::create(t0_val, 0.0, 0.999, 0.01, 1.0);
+        _t0_item = Gtk::manage(new UI::Widget::SpinButtonToolItem("spiral-t0", _("Inner radius:"), _t0_adj));
+        _t0_item->set_tooltip_text(_("Radius of the innermost revolution (relative to the spiral size)"));
+        _t0_item->set_custom_numeric_menu_data(values, labels);
+        _t0_item->set_focus_widget(desktop->getCanvas());
+        _t0_adj->signal_value_changed().connect(sigc::bind(sigc::mem_fun(*this, &SpiralToolbar::value_changed),
+                                                           _t0_adj, "t0"));
+        add(*_t0_item);
+    }
+
+    add(*Gtk::manage(new Gtk::SeparatorToolItem()));
+
+    /* Reset */
+    {
+        _reset_item = Gtk::manage(new Gtk::ToolButton(_("Defaults")));
+        _reset_item->set_icon_name(INKSCAPE_ICON("edit-clear"));
+        _reset_item->set_tooltip_text(_("Reset shape parameters to defaults (use Inkscape Preferences > Tools to change defaults)"));
+        _reset_item->signal_clicked().connect(sigc::mem_fun(*this, &SpiralToolbar::defaults));
+        add(*_reset_item);
+    }
+
+    _connection.reset(new sigc::connection(
+        desktop->getSelection()->connectChanged(sigc::mem_fun(*this, &SpiralToolbar::selection_changed))));
+
+    show_all();
+}
+
+SpiralToolbar::~SpiralToolbar()
+{
+    if(_repr) {
+        _repr->removeListenerByData(this);
+        GC::release(_repr);
+        _repr = nullptr;
+    }
+
+    if(_connection) {
+        _connection->disconnect();
+    }
+}
+
+GtkWidget *
+SpiralToolbar::create(SPDesktop *desktop)
+{
+    auto toolbar = new SpiralToolbar(desktop);
+    return GTK_WIDGET(toolbar->gobj());
+}
+
+void
+SpiralToolbar::value_changed(Glib::RefPtr<Gtk::Adjustment> &adj,
+                             Glib::ustring const           &value_name)
+{
+    if (DocumentUndo::getUndoSensitive(_desktop->getDocument())) {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        prefs->setDouble("/tools/shapes/spiral/" + value_name,
+            adj->get_value());
+    }
+
+    // quit if run by the attr_changed listener
+    if (_freeze) {
+        return;
+    }
+
+    // in turn, prevent listener from responding
+    _freeze = true;
+
+    gchar* namespaced_name = g_strconcat("sodipodi:", value_name.data(), nullptr);
+
+    bool modmade = false;
+    auto itemlist= _desktop->getSelection()->items();
+    for(auto i=itemlist.begin();i!=itemlist.end(); ++i){
+        SPItem *item = *i;
+        if (SP_IS_SPIRAL(item)) {
+            Inkscape::XML::Node *repr = item->getRepr();
+            repr->setAttributeSvgDouble(namespaced_name, adj->get_value() );
+            item->updateRepr();
+            modmade = true;
+        }
+    }
+
+    g_free(namespaced_name);
+
+    if (modmade) {
+        DocumentUndo::done(_desktop->getDocument(), _("Change spiral"), INKSCAPE_ICON("draw-spiral"));
+    }
+
+    _freeze = false;
+}
+
+void
+SpiralToolbar::defaults()
+{
+    // fixme: make settable
+    gdouble rev = 3;
+    gdouble exp = 1.0;
+    gdouble t0 = 0.0;
+
+    _revolution_adj->set_value(rev);
+    _expansion_adj->set_value(exp);
+    _t0_adj->set_value(t0);
+
+    if(_desktop->getCanvas()) _desktop->getCanvas()->grab_focus();
+}
+
+void
+SpiralToolbar::selection_changed(Inkscape::Selection *selection)
+{
+    int n_selected = 0;
+    Inkscape::XML::Node *repr = nullptr;
+
+    if ( _repr ) {
+        _repr->removeListenerByData(this);
+        GC::release(_repr);
+        _repr = nullptr;
+    }
+
+    auto itemlist= selection->items();
+    for(auto i=itemlist.begin();i!=itemlist.end(); ++i){
+        SPItem *item = *i;
+        if (SP_IS_SPIRAL(item)) {
+            n_selected++;
+            repr = item->getRepr();
+        }
+    }
+
+    if (n_selected == 0) {
+        _mode_item->set_markup(_("<b>New:</b>"));
+    } else if (n_selected == 1) {
+        _mode_item->set_markup(_("<b>Change:</b>"));
+
+        if (repr) {
+            _repr = repr;
+            Inkscape::GC::anchor(_repr);
+            _repr->addListener(&spiral_tb_repr_events, this);
+            _repr->synthesizeEvents(&spiral_tb_repr_events, this);
+        }
+    } else {
+        // FIXME: implement averaging of all parameters for multiple selected
+        //gtk_label_set_markup(GTK_LABEL(l), _("<b>Average:</b>"));
+        _mode_item->set_markup(_("<b>Change:</b>"));
+    }
+}
+
+void
+SpiralToolbar::event_attr_changed(Inkscape::XML::Node *repr,
+                                  gchar const * /*name*/,
+                                  gchar const * /*old_value*/,
+                                  gchar const * /*new_value*/,
+                                  bool /*is_interactive*/,
+                                  gpointer data)
+{
+    auto toolbar = reinterpret_cast<SpiralToolbar *>(data);
+
+    // quit if run by the _changed callbacks
+    if (toolbar->_freeze) {
+        return;
+    }
+
+    // in turn, prevent callbacks from responding
+    toolbar->_freeze = true;
+
+    double revolution = repr->getAttributeDouble("sodipodi:revolution", 3.0);
+    toolbar->_revolution_adj->set_value(revolution);
+
+    double expansion = repr->getAttributeDouble("sodipodi:expansion", 1.0);
+    toolbar->_expansion_adj->set_value(expansion);
+
+    double t0 = repr->getAttributeDouble("sodipodi:t0", 0.0);
+    toolbar->_t0_adj->set_value(t0);
+
+    toolbar->_freeze = false;
+}
+
+}
+}
+}
+
+/*
+  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 :