1 files changed, 168 insertions, 0 deletions
diff --git a/src/widgets/swatch-selector.cpp b/src/widgets/swatch-selector.cpp
new file mode 100644
index 0000000..aeead1c
--- /dev/null
+++ b/src/widgets/swatch-selector.cpp
@@ -0,0 +1,168 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * TODO: insert short description here
+ *//*
+ * Authors: see git history
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "swatch-selector.h"
+
+#include <glibmm/i18n.h>
+
+#include "document-undo.h"
+#include "document.h"
+#include "gradient-chemistry.h"
+#include "gradient-selector.h"
+#include "verbs.h"
+
+#include "object/sp-stop.h"
+
+#include "svg/css-ostringstream.h"
+#include "svg/svg-color.h"
+
+#include "ui/widget/color-notebook.h"
+
+#include "xml/node.h"
+
+namespace Inkscape
+{
+namespace Widgets
+{
+
+SwatchSelector::SwatchSelector() :
+    Gtk::VBox(),
+    _gsel(nullptr),
+    _updating_color(false)
+{
+    using Inkscape::UI::Widget::ColorNotebook;
+
+    GtkWidget *gsel = sp_gradient_selector_new();
+    _gsel = SP_GRADIENT_SELECTOR(gsel);
+    g_object_set_data( G_OBJECT(gobj()), "base", this );
+    _gsel->setMode(SPGradientSelector::MODE_SWATCH);
+
+    gtk_widget_show(gsel);
+
+    pack_start(*Gtk::manage(Glib::wrap(gsel)));
+
+    Gtk::Widget *color_selector = Gtk::manage(new ColorNotebook(_selected_color));
+    color_selector->show();
+    pack_start(*color_selector);
+
+    //_selected_color.signal_grabbed.connect(sigc::mem_fun(this, &SwatchSelector::_grabbedCb));
+    _selected_color.signal_dragged.connect(sigc::mem_fun(this, &SwatchSelector::_changedCb));
+    _selected_color.signal_released.connect(sigc::mem_fun(this, &SwatchSelector::_changedCb));
+    // signal_changed doesn't get called if updating shape with colour.
+    //_selected_color.signal_changed.connect(sigc::mem_fun(this, &SwatchSelector::_changedCb));
+}
+
+SwatchSelector::~SwatchSelector()
+{
+    _gsel = nullptr;
+}
+
+SPGradientSelector *SwatchSelector::getGradientSelector()
+{
+    return _gsel;
+}
+
+void SwatchSelector::_changedCb()
+{
+    if (_updating_color) {
+        return;
+    }
+    // TODO might have to block cycles
+
+    if (_gsel && _gsel->getVector()) {
+        SPGradient *gradient = _gsel->getVector();
+        SPGradient *ngr = sp_gradient_ensure_vector_normalized(gradient);
+        if (ngr != gradient) {
+            /* Our master gradient has changed */
+            // TODO replace with proper - sp_gradient_vector_widget_load_gradient(GTK_WIDGET(swsel->_gsel), ngr);
+        }
+
+        ngr->ensureVector();
+
+
+        SPStop* stop = ngr->getFirstStop();
+        if (stop) {
+            SPColor color = _selected_color.color();
+            gfloat alpha = _selected_color.alpha();
+            guint32 rgb = color.toRGBA32( 0x00 );
+
+            // TODO replace with generic shared code that also handles icc-color
+            Inkscape::CSSOStringStream os;
+            gchar c[64];
+            sp_svg_write_color(c, sizeof(c), rgb);
+            os << "stop-color:" << c << ";stop-opacity:" << static_cast<gdouble>(alpha) <<";";
+            stop->setAttribute("style", os.str());
+
+            DocumentUndo::done(ngr->document, SP_VERB_CONTEXT_GRADIENT,
+                               _("Change swatch color"));
+        }
+    }
+}
+
+void SwatchSelector::connectGrabbedHandler( GCallback handler, void *data )
+{
+    GObject* obj = G_OBJECT(_gsel);
+    g_signal_connect( obj, "grabbed", handler, data );
+}
+
+void SwatchSelector::connectDraggedHandler( GCallback handler, void *data )
+{
+    GObject* obj = G_OBJECT(_gsel);
+    g_signal_connect( obj, "dragged", handler, data );
+}
+
+void SwatchSelector::connectReleasedHandler( GCallback handler, void *data )
+{
+    GObject* obj = G_OBJECT(_gsel);
+    g_signal_connect( obj, "released", handler, data );
+}
+
+void SwatchSelector::connectchangedHandler( GCallback handler, void *data )
+{
+    GObject* obj = G_OBJECT(_gsel);
+    g_signal_connect( obj, "changed", handler, data );
+}
+
+void SwatchSelector::setVector(SPDocument */*doc*/, SPGradient *vector)
+{
+    //GtkVBox * box = gobj();
+    _gsel->setVector((vector) ? vector->document : nullptr, vector);
+
+    if ( vector && vector->isSolid() ) {
+        SPStop* stop = vector->getFirstStop();
+
+        guint32 const colorVal = stop->get_rgba32();
+        _updating_color = true;
+        _selected_color.setValue(colorVal);
+        _updating_color = false;
+        // gtk_widget_show_all( GTK_WIDGET(_csel) );
+    } else {
+        //gtk_widget_hide( GTK_WIDGET(_csel) );
+    }
+
+/*
+*/
+}
+
+} // namespace Widgets
+} // 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 :