1 files changed, 108 insertions, 0 deletions
diff --git a/src/display/control/canvas-item-drawing.h b/src/display/control/canvas-item-drawing.h
new file mode 100644
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+++ b/src/display/control/canvas-item-drawing.h
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_CANVAS_ITEM_DRAWING_H
+#define SEEN_CANVAS_ITEM_DRAWING_H
+
+/**
+ * A class to render the SVG drawing.
+ */
+
+/*
+ * Author:
+ *   Tavmjong Bah
+ *
+ * Copyright (C) 2020 Tavmjong Bah
+ *
+ * Rewrite of _SPCanvasArena.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <sigc++/sigc++.h>
+
+
+#include "canvas-item.h"
+#include "display/drawing-item.h" // Only for ctx... which should be remove (it's the same as _affine!).
+
+namespace Inkscape {
+
+class CachePref2Observer;
+
+class Drawing;
+class DrawingItem;
+class Updatecontext;
+
+class CanvasItemGroup; // A canvas control that contains other canvas controls.
+
+class CanvasItemDrawing : public CanvasItem {
+
+public:
+    CanvasItemDrawing(CanvasItemGroup *group);
+    ~CanvasItemDrawing() override;
+
+
+    // Geometry
+    UpdateContext get_context() { return _ctx; } // TODO Remove this as ctx only contains affine.
+
+    void update(Geom::Affine const &affine) override;
+    double closest_distance_to(Geom::Point const &p);
+
+    // Selection
+    bool contains(Geom::Point const &p, double tolerance = 0) override;
+
+    // Display
+    void render(Inkscape::CanvasItemBuffer *buf) override;
+    Inkscape::Drawing * get_drawing() { return _drawing; }
+
+    // Drawing items
+    void set_active(Inkscape::DrawingItem *active) { _active_item = active; }
+    Inkscape::DrawingItem *get_active() { return _active_item; }
+
+    // Events
+    bool handle_event(GdkEvent* event) override;
+    void set_sticky(bool sticky) { _sticky = sticky; }
+
+    // Signals
+    sigc::connection connect_drawing_event(sigc::slot<bool, GdkEvent*, Inkscape::DrawingItem *> slot) {
+        return _drawing_event_signal.connect(slot);
+    }
+
+protected:
+
+    // Geometry
+
+    // Selection
+    Geom::Point _c;
+    double _delta = Geom::infinity();
+    Inkscape::DrawingItem *_active_item = nullptr;
+    Inkscape::DrawingItem *_picked_item = nullptr;
+
+    // Display
+    Inkscape::Drawing *_drawing;
+    Inkscape::UpdateContext _ctx;  // TODO Remove this... it's the same as _affine!
+
+    // Events
+    bool _cursor = false;
+    bool _sticky = false; // Pick anything, even if hidden.
+
+    // Properties
+    CachePref2Observer *_observer = nullptr;
+
+    // Signals
+    sigc::signal<bool, GdkEvent*, Inkscape::DrawingItem *> _drawing_event_signal;
+};
+
+
+} // namespace Inkscape
+
+#endif // SEEN_CANVAS_ITEM_DRAWING_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 :