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#ifndef __SP_3DBOX_CONTEXT_H__
#define __SP_3DBOX_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
*/
#include <sigc++/sigc++.h>
#include "event-context.h"
#include "perspective3d.h"
struct SPKnotHolder;
#define SP_TYPE_3DBOX_CONTEXT (sp_3dbox_context_get_type ())
#define SP_3DBOX_CONTEXT(obj) (GTK_CHECK_CAST ((obj), SP_TYPE_3DBOX_CONTEXT, SP3DBoxContext))
#define SP_3DBOX_CONTEXT_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), SP_TYPE_3DBOX_CONTEXT, SP3DBoxContextClass))
#define SP_IS_3DBOX_CONTEXT(obj) (GTK_CHECK_TYPE ((obj), SP_TYPE_3DBOX_CONTEXT))
#define SP_IS_3DBOX_CONTEXT_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), SP_TYPE_3DBOX_CONTEXT))
class SP3DBoxContext;
class SP3DBoxContextClass;
struct SP3DBoxContext : public SPEventContext {
SPItem *item;
NR::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)
*/
NR::Point drag_origin;
NR::Point drag_ptB;
NR::Point drag_ptC;
bool ctrl_dragged; /* whether we are ctrl-dragging */
bool extruded; /* whether shift-dragging already occured (i.e. the box is already extruded) */
Box3D::VPDrag * _vpdrag;
sigc::connection sel_changed_connection;
Inkscape::MessageContext *_message_context;
};
struct SP3DBoxContextClass {
SPEventContextClass parent_class;
};
/* Standard Gtk function */
GtkType sp_3dbox_context_get_type (void);
#endif
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