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// SPDX-License-Identifier: GPL-2.0-or-later
/* Authors:
* Krzysztof Kosiński <tweenk.pl@gmail.com>
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 2009 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_UI_TOOL_CURVE_DRAG_POINT_H
#define SEEN_UI_TOOL_CURVE_DRAG_POINT_H
#include "ui/tool/control-point.h"
#include "ui/tool/node.h"
class SPDesktop;
namespace Inkscape {
namespace UI {
class PathManipulator;
struct PathSharedData;
// This point should be invisible to the user - use the invisible_cset from control-point.h
// TODO make some methods from path-manipulator.cpp public so that this point doesn't have
// to be declared as a friend
/**
* An invisible point used to drag curves. This point is used by PathManipulator to allow editing
* of path segments by dragging them. It is defined in a separate file so that the node tool
* can check if the mouseovered control point is a curve drag point and update the cursor
* accordingly, without the need to drag in the full PathManipulator header.
*/
class CurveDragPoint : public ControlPoint {
public:
CurveDragPoint(PathManipulator &pm);
void setSize(double sz) { _setSize(sz); }
void setTimeValue(double t) { _t = t; }
double getTimeValue() { return _t; }
void setIterator(NodeList::iterator i) { first = i; }
NodeList::iterator getIterator() { return first; }
bool _eventHandler(Inkscape::UI::Tools::ToolBase *event_context, GdkEvent *event) override;
protected:
Glib::ustring _getTip(unsigned state) const override;
void dragged(Geom::Point &, GdkEventMotion *) override;
bool grabbed(GdkEventMotion *) override;
void ungrabbed(GdkEventButton *) override;
bool clicked(GdkEventButton *) override;
bool doubleclicked(GdkEventButton *) override;
private:
double _t;
PathManipulator &_pm;
NodeList::iterator first;
static bool _drags_stroke;
static bool _segment_was_degenerate;
static Geom::Point _stroke_drag_origin;
void _insertNode(bool take_selection);
};
} // namespace UI
} // 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:fileencoding=utf-8:textwidth=99 :
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