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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef __SP_BOX3D_CONTEXT_H__
#define __SP_BOX3D_CONTEXT_H__
/*
* 3D box drawing context
*
* Author:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 2000 Lauris Kaplinski
* Copyright (C) 2000-2001 Ximian, Inc.
* Copyright (C) 2002 Lauris Kaplinski
* Copyright (C) 2007 Maximilian Albert <Anhalter42@gmx.de>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <cstddef>
#include <2geom/point.h>
#include <sigc++/connection.h>
#include "proj_pt.h"
#include "vanishing-point.h"
#include "ui/tools/tool-base.h"
class SPItem;
class SPBox3D;
namespace Box3D {
struct VPDrag;
}
namespace Inkscape {
class Selection;
}
namespace Inkscape {
namespace UI {
namespace Tools {
class Box3dTool : public ToolBase {
public:
Box3dTool(SPDesktop *desktop);
~Box3dTool() override;
Box3D::VPDrag *_vpdrag;
bool root_handler(GdkEvent *event) override;
bool item_handler(SPItem *item, GdkEvent *event) override;
private:
SPBox3D* box3d;
Geom::Point center;
/**
* save three corners while dragging:
* 1) the starting point (already done by the event_context)
* 2) drag_ptB --> the opposite corner of the front face (before pressing shift)
* 3) drag_ptC --> the "extruded corner" (which coincides with the mouse pointer location
* if we are ctrl-dragging but is constrained to the perspective line from drag_ptC
* to the vanishing point Y otherwise)
*/
Geom::Point drag_origin;
Geom::Point drag_ptB;
Geom::Point drag_ptC;
Proj::Pt3 drag_origin_proj;
Proj::Pt3 drag_ptB_proj;
Proj::Pt3 drag_ptC_proj;
bool ctrl_dragged; /* whether we are ctrl-dragging */
bool extruded; /* whether shift-dragging already occurred (i.e. the box is already extruded) */
sigc::connection sel_changed_connection;
void selection_changed(Inkscape::Selection* selection);
void drag(guint state);
void finishItem();
};
}
}
}
#endif /* __SP_BOX3D_CONTEXT_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:fileencoding=utf-8:textwidth=99 :
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