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diff --git a/src/display/control/snap-indicator.h b/src/display/control/snap-indicator.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_DISPLAY_SNAP_INDICATOR_H
+#define INKSCAPE_DISPLAY_SNAP_INDICATOR_H
+
+/**
+ * @file
+ * Provides a class that shows a temporary indicator on the canvas of where the snap was, and what kind of snap
+ */
+/*
+ * Authors:
+ *   Johan Engelen
+ *   Diederik van Lierop
+ *
+ * Copyright (C) Johan Engelen 2008 <j.b.c.engelen@utwente.nl>
+ * Copyright (C) Diederik van Lierop 2010 <mail@diedenrezi.nl>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "snap-enums.h"
+#include "snapped-point.h"
+#include "display/control/canvas-item-curve.h"
+
+#include <glib.h>
+#include <glibmm/i18n.h>
+
+class SPDesktop;
+
+namespace Inkscape {
+namespace Display {
+
+class TemporaryItem;
+
+class SnapIndicator  {
+public:
+    SnapIndicator(SPDesktop *desktop);
+    virtual ~SnapIndicator();
+
+    void set_new_snaptarget(Inkscape::SnappedPoint const &p, bool pre_snap = false);
+    void remove_snaptarget(bool only_if_presnap = false);
+
+    void set_new_snapsource(Inkscape::SnapCandidatePoint const &p);
+    void remove_snapsource();
+
+    void set_new_debugging_point(Geom::Point const &p);
+    void remove_debugging_points();
+
+protected:
+    TemporaryItem *_snaptarget;
+    TemporaryItem *_snaptarget_tooltip;
+    TemporaryItem *_snaptarget_bbox;
+    TemporaryItem *_snapsource;
+
+    std::list<TemporaryItem *> _alignment_snap_indicators;
+    std::list<TemporaryItem *> _distribution_snap_indicators;
+    std::list<TemporaryItem *> _debugging_points;
+    bool _snaptarget_is_presnap;
+    SPDesktop *_desktop;
+
+private:
+    SnapIndicator(const SnapIndicator&) = delete;
+    SnapIndicator& operator=(const SnapIndicator&) = delete;
+
+    void make_distribution_indicators(SnappedPoint const &p, double fontsize, double scale);
+    void make_alignment_indicator(Geom::Point const &p1, Geom::Point const &p2, guint32 color, double fontsize, double scale);
+    guint32 get_guide_color(SnapTargetType t);
+    Inkscape::CanvasItemCurve* make_stub_line_h(Geom::Point const &p);
+    Inkscape::CanvasItemCurve* make_stub_line_v(Geom::Point const &p);
+};
+
+} //namespace Display
+} //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 :