1 files changed, 107 insertions, 0 deletions
diff --git a/src/display/control/canvas-item-ctrl.h b/src/display/control/canvas-item-ctrl.h
new file mode 100644
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--- /dev/null
+++ b/src/display/control/canvas-item-ctrl.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_CANVAS_ITEM_CTRL_H
+#define SEEN_CANVAS_ITEM_CTRL_H
+
+/**
+ * A class to represent a control node.
+ */
+
+/*
+ * Author:
+ *   Tavmjong Bah
+ *
+ * Copyright (C) 2020 Tavmjong Bah
+ *
+ * Rewrite of SPCtrl
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <memory>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <2geom/point.h>
+
+#include "canvas-item.h"
+#include "canvas-item-enums.h"
+
+#include "enums.h" // SP_ANCHOR_X
+
+namespace Inkscape {
+
+class CanvasItemGroup; // A canvas control that contains other canvas controls.
+
+class CanvasItemCtrl : public CanvasItem {
+
+public:
+    ~CanvasItemCtrl() override;
+    CanvasItemCtrl(CanvasItemGroup *group);
+    CanvasItemCtrl(CanvasItemGroup *group, CanvasItemCtrlType type);
+    CanvasItemCtrl(CanvasItemGroup *group, CanvasItemCtrlType type, Geom::Point const &p);
+    CanvasItemCtrl(CanvasItemGroup *group, CanvasItemCtrlShape shape);
+    CanvasItemCtrl(CanvasItemGroup *group, CanvasItemCtrlShape shape, Geom::Point const &p);
+
+    // Geometry
+    void set_position(Geom::Point const &position);
+
+    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;
+
+    // Properties
+    void set_fill(guint32 rgba) override;
+    void set_stroke(guint32 rgba) override;
+    void set_shape(int shape);
+    void set_shape_default(); // Use type to determine shape.
+    void set_mode(int mode);
+    void set_mode_default();
+    void set_size(int size);
+    virtual void set_size_via_index(int size_index);
+    void set_size_default(); // Use preference and type to set size.
+    void set_size_extra(int extra); // Used to temporary increase size of ctrl.
+    void set_anchor(SPAnchorType anchor);
+    void set_angle(double angle);
+    void set_type(CanvasItemCtrlType type);
+    void set_pixbuf(GdkPixbuf *pixbuf);
+ 
+protected:
+    void build_cache(int device_scale);
+
+    // Geometry
+    Geom::Point _position;
+
+    // Display
+    guint32 *_cache = nullptr;
+    bool _built = false;
+
+    // Properties
+    CanvasItemCtrlType _type   = CANVAS_ITEM_CTRL_TYPE_DEFAULT;
+    CanvasItemCtrlShape _shape = CANVAS_ITEM_CTRL_SHAPE_SQUARE;
+    CanvasItemCtrlMode _mode   = CANVAS_ITEM_CTRL_MODE_XOR;
+    unsigned int _width  = 5;   // Nominally width == height == size... unless we use a pixmap.
+    unsigned int _height = 5;
+    unsigned int _extra  = 0;   // Used to temporarily increase size.
+    double       _angle  = 0.0; // Used for triangles, could be used for arrows.
+    SPAnchorType _anchor = SP_ANCHOR_CENTER;
+    GdkPixbuf *_pixbuf = nullptr;
+};
+
+
+} // namespace Inkscape
+
+#endif // SEEN_CANVAS_ITEM_CTRL_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 :