1 files changed, 90 insertions, 0 deletions
diff --git a/src/ui/widget/objects-dialog-cells.cpp b/src/ui/widget/objects-dialog-cells.cpp
new file mode 100644
index 0000000..00ee641
--- /dev/null
+++ b/src/ui/widget/objects-dialog-cells.cpp
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Authors:
+ *   Mike Kowalski
+ *   Martin Owens
+ *
+ * Copyright (C) 2021-2022 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "ui/widget/objects-dialog-cells.h"
+#include "color-rgba.h"
+#include "preferences.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+/**
+ * A colored tag cell which indicates which layer an object is in.
+ */
+ColorTagRenderer::ColorTagRenderer() :
+    Glib::ObjectBase(typeid(CellRenderer)),
+    Gtk::CellRenderer(),
+    _property_color(*this, "tagcolor", 0),
+    _property_hover(*this, "taghover", false)
+{
+    property_mode() = Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
+
+    int dummy_width;
+    // height size is not critical
+    Gtk::IconSize::lookup(Gtk::ICON_SIZE_MENU, dummy_width, _height);
+}
+
+void ColorTagRenderer::render_vfunc(const Cairo::RefPtr<Cairo::Context>& cr, 
+                      Gtk::Widget& widget,
+                      const Gdk::Rectangle& background_area,
+                      const Gdk::Rectangle& cell_area,
+                      Gtk::CellRendererState flags) {
+    cr->rectangle(cell_area.get_x(), cell_area.get_y(), cell_area.get_width(), cell_area.get_height());
+    ColorRGBA color(_property_color.get_value());
+    cr->set_source_rgb(color[0], color[1], color[2]);
+    cr->fill();
+    if (_property_hover.get_value()) {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        Glib::ustring themeiconname = prefs->getString("/theme/iconTheme", prefs->getString("/theme/defaultIconTheme", ""));
+        guint32 colorsetbase = prefs->getUInt("/theme/" + themeiconname + "/symbolicBaseColor", 0x2E3436ff);
+        double r = ((colorsetbase >> 24) & 0xFF) / 255.0;
+        double g = ((colorsetbase >> 16) & 0xFF) / 255.0;
+        double b = ((colorsetbase >> 8) & 0xFF) / 255.0;
+        cr->set_source_rgba(r, g, b, 0.6);
+        cr->rectangle(background_area.get_x() + 0.5, background_area.get_y() + 0.5, background_area.get_width() - 1.0, background_area.get_height() - 1.0);
+        cr->set_line_width(1.0);
+        cr->stroke();
+    }
+}
+
+void ColorTagRenderer::get_preferred_width_vfunc(Gtk::Widget& widget, int& min_w, int& nat_w) const {
+    min_w = nat_w = _width;
+}
+
+void ColorTagRenderer::get_preferred_height_vfunc(Gtk::Widget& widget, int& min_h, int& nat_h) const {
+    min_h = 1;
+    nat_h = _height;
+}
+
+bool ColorTagRenderer::activate_vfunc(GdkEvent* event, Gtk::Widget& /*widget*/, const Glib::ustring& path,
+        const Gdk::Rectangle& /*background_area*/, const Gdk::Rectangle& /*cell_area*/,
+        Gtk::CellRendererState /*flags*/) {
+    _signal_clicked.emit(path);
+    return false;
+}
+
+} // 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 :
+
+