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node-context.h

#ifndef __SP_NODE_CONTEXT_H__
#define __SP_NODE_CONTEXT_H__

/*
 * Node editing context
 *
 * Authors:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *   bulia byak <buliabyak@users.sf.net>
 *
 * This code is in public domain
 */

#include <sigc++/sigc++.h>
#include "event-context.h"
#include "forward.h"
#include "nodepath.h"
struct SPKnotHolder;
namespace Inkscape { class Selection; }

#define SP_TYPE_NODE_CONTEXT            (sp_node_context_get_type ())
#define SP_NODE_CONTEXT(obj)            (GTK_CHECK_CAST ((obj), SP_TYPE_NODE_CONTEXT, SPNodeContext))
#define SP_NODE_CONTEXT_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), SP_TYPE_NODE_CONTEXT, SPNodeContextClass))
#define SP_IS_NODE_CONTEXT(obj)         (GTK_CHECK_TYPE ((obj), SP_TYPE_NODE_CONTEXT))
#define SP_IS_NODE_CONTEXT_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), SP_TYPE_NODE_CONTEXT))

class SPNodeContext;
class SPNodeContextClass;

struct SPNodeContext {
      SPEventContext event_context;

      guint drag : 1;

      Inkscape::NodePath::Path *nodepath;

      gboolean leftalt;
      gboolean rightalt;
      gboolean leftctrl;
      gboolean rightctrl;

      /// If true, rubberband was cancelled by esc, so the next button release should not deselect.
      bool rb_escaped;

      sigc::connection sel_changed_connection;

      Inkscape::MessageContext *_node_message_context;

      double grab_t;
      Inkscape::NodePath::Node * grab_node;
      bool hit;
      NR::Point curvepoint_event; // int coords from event
      NR::Point curvepoint_doc; // same, in doc coords
      bool cursor_drag;

      bool added_node;
};

struct SPNodeContextClass {
      SPEventContextClass parent_class;
};

/* Standard Gtk function */

GtkType sp_node_context_get_type (void);

void sp_node_context_selection_changed (Inkscape::Selection * selection, gpointer data);

#endif

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