1 files changed, 114 insertions, 0 deletions
diff --git a/src/ui/widget/layer-selector.h b/src/ui/widget/layer-selector.h
new file mode 100644
index 0000000..eadfce2
--- /dev/null
+++ b/src/ui/widget/layer-selector.h
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Inkscape::UI::Widget::LayerSelector - layer selector widget
+ *
+ * Authors:
+ *   MenTaLguY <mental@rydia.net>
+ *
+ * Copyright (C) 2004 MenTaLguY
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef SEEN_INKSCAPE_WIDGETS_LAYER_SELECTOR
+#define SEEN_INKSCAPE_WIDGETS_LAYER_SELECTOR
+
+#include <gtkmm/box.h>
+#include <gtkmm/combobox.h>
+#include <gtkmm/togglebutton.h>
+#include <gtkmm/cellrenderertext.h>
+#include <gtkmm/treemodel.h>
+#include <gtkmm/liststore.h>
+#include <sigc++/slot.h>
+#include "util/list.h"
+
+class SPDesktop;
+class SPDocument;
+class SPObject;
+namespace Inkscape {
+namespace XML {
+class Node;
+}
+}
+
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+class DocumentTreeModel;
+
+class LayerSelector : public Gtk::HBox {
+public:
+    LayerSelector(SPDesktop *desktop = nullptr);
+    ~LayerSelector() override;
+
+    SPDesktop *desktop() { return _desktop; }
+    void setDesktop(SPDesktop *desktop);
+
+private:
+    class LayerModelColumns : public Gtk::TreeModel::ColumnRecord {
+    public:
+        Gtk::TreeModelColumn<unsigned> depth;
+        Gtk::TreeModelColumn<SPObject *> object;
+        Gtk::TreeModelColumn<Inkscape::XML::Node *> repr;
+        Gtk::TreeModelColumn<void *> callbacks;
+
+        LayerModelColumns() {
+            add(depth); add(object); add(repr); add(callbacks);
+        }
+    };
+
+    SPDesktop *_desktop;
+
+    Gtk::ComboBox _selector;
+    Gtk::ToggleButton _visibility_toggle;
+    Gtk::ToggleButton _lock_toggle;
+
+    LayerModelColumns _model_columns;
+    Gtk::CellRendererText _label_renderer;
+    Glib::RefPtr<Gtk::ListStore> _layer_model;
+
+//    sigc::connection _desktop_shutdown_connection;
+    sigc::connection _layers_changed_connection;
+    sigc::connection _current_layer_changed_connection;
+    sigc::connection _selection_changed_connection;
+    sigc::connection _visibility_toggled_connection;
+    sigc::connection _lock_toggled_connection;
+
+    SPObject *_layer;
+
+    void _selectLayer(SPObject *layer);
+    void _layersChanged();
+
+    void _setDesktopLayer();
+
+    void _buildEntry(unsigned depth, SPObject &object);
+    void _buildEntries(unsigned depth,
+                       Inkscape::Util::List<SPObject &> hierarchy);
+    void _buildSiblingEntries(unsigned depth,
+                              SPObject &parent,
+                              Inkscape::Util::List<SPObject &> hierarchy);
+    void _protectUpdate(sigc::slot<void> slot);
+    void _destroyEntry(Gtk::ListStore::iterator const &row);
+    void _hideLayer(bool hide);
+    void _lockLayer(bool lock);
+
+    void _prepareLabelRenderer(Gtk::TreeModel::const_iterator const &row);
+};
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+#endif
+/*
+  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 :