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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 :
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