1 files changed, 115 insertions, 0 deletions
diff --git a/src/ui/widget/shapeicon.h b/src/ui/widget/shapeicon.h
new file mode 100644
index 0000000..cc6daab
--- /dev/null
+++ b/src/ui/widget/shapeicon.h
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef __UI_DIALOG_SHAPEICON_H__
+#define __UI_DIALOG_SHAPEICON_H__
+/*
+ * Authors:
+ *   Martin Owens
+ *
+ * Copyright (C) 2020 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <gtkmm/iconinfo.h>
+#include <gtkmm/cellrenderer.h>
+#include <gtkmm/widget.h>
+#include <glibmm/property.h>
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+// Object overlay states usually modify the icon and indicate
+// That there may be non-item children under this item (e.g. clip)
+using OverlayState = int;
+enum OverlayStates : OverlayState {
+    OVERLAY_NONE = 0,     // Nothing special about the object.
+    OVERLAY_CLIP = 1,     // Object has a clip
+    OVERLAY_MASK = 2,     // Object has a mask
+    OVERLAY_BOTH = 3,     // Object has both clip and mask
+};
+
+/* Custom cell renderer for type icon */
+class CellRendererItemIcon : public Gtk::CellRenderer {
+public:
+  
+    CellRendererItemIcon() :
+        Glib::ObjectBase(typeid(CellRenderer)),
+        Gtk::CellRenderer(),
+        _property_shape_type(*this, "shape_type", "unknown"),
+        _property_color(*this, "color", 0),
+        _property_clipmask(*this, "clipmask", 0),
+        _clip_overlay(nullptr),
+        _mask_overlay(nullptr),
+        _both_overlay(nullptr)
+    {
+        Gtk::IconSize::lookup(Gtk::ICON_SIZE_MENU, _size, _size);
+    } 
+    ~CellRendererItemIcon() override = default;
+     
+    Glib::PropertyProxy<std::string> property_shape_type() {
+        return _property_shape_type.get_proxy();
+    }
+    Glib::PropertyProxy<unsigned int> property_color() {
+        return _property_color.get_proxy();
+    }
+    Glib::PropertyProxy<unsigned int> property_clipmask() {
+        return _property_clipmask.get_proxy();
+    }
+  
+    typedef sigc::signal<void (Glib::ustring)> type_signal_activated;
+    type_signal_activated signal_activated() {
+        return _signal_activated;
+    }
+
+protected:
+    void render_vfunc(const Cairo::RefPtr<Cairo::Context>& cr, 
+                      Gtk::Widget& widget,
+                      const Gdk::Rectangle& background_area,
+                      const Gdk::Rectangle& cell_area,
+                      Gtk::CellRendererState flags) override;
+    void paint_icon(const Cairo::RefPtr<Cairo::Context>& cr,
+                    Gtk::Widget& widget,
+                    Glib::RefPtr<Gdk::Pixbuf> pixbuf,
+                    int x, int y);
+
+    void get_preferred_width_vfunc(Gtk::Widget& widget, int& min_w, int& nat_w) const override;
+    void get_preferred_height_vfunc(Gtk::Widget& widget, int& min_h, int& nat_h) const override;
+
+    bool activate_vfunc(GdkEvent* event,
+                        Gtk::Widget& widget,
+                        const Glib::ustring& path,
+                        const Gdk::Rectangle& background_area,
+                        const Gdk::Rectangle& cell_area,
+                        Gtk::CellRendererState flags) override;
+private:
+    type_signal_activated _signal_activated;
+    int _size;
+    Glib::Property<std::string> _property_shape_type;
+    Glib::Property<unsigned int> _property_color;
+    Glib::Property<unsigned int> _property_clipmask;
+    std::map<const std::string, Glib::RefPtr<Gdk::Pixbuf> > _icon_cache;
+
+    // Overlay indicators
+    Glib::RefPtr<Gdk::Pixbuf> _mask_overlay;
+    Glib::RefPtr<Gdk::Pixbuf> _clip_overlay;
+    Glib::RefPtr<Gdk::Pixbuf> _both_overlay;
+};
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+
+#endif /* __UI_DIALOG_SHAPEICON_H__ */
+
+/*
+  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 :