canvas-arena.h

#ifndef SEEN_SP_CANVAS_ARENA_H
#define SEEN_SP_CANVAS_ARENA_H

/*
 * RGBA display list system for inkscape
 *
 * Author:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *
 * Copyright (C) 2001-2002 Lauris Kaplinski
 * Copyright (C) 2001 Ximian, Inc.
 *
 * Released under GNU GPL, read the file 'COPYING' for more information
 */

#include "../display/sp-canvas.h"
#include "nr-arena-item.h"

G_BEGIN_DECLS

#define SP_TYPE_CANVAS_ARENA (sp_canvas_arena_get_type ())
#define SP_CANVAS_ARENA(obj) (GTK_CHECK_CAST ((obj), SP_TYPE_CANVAS_ARENA, SPCanvasArena))
#define SP_CANVAS_ARENA_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), SP_TYPE_CANVAS_ARENA, SPCanvasArenaClass))
#define SP_IS_CANVAS_ARENA(obj) (GTK_CHECK_TYPE ((obj), SP_TYPE_CANVAS_ARENA))
#define SP_IS_CANVAS_ARENA_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), SP_TYPE_CANVAS_ARENA))

typedef struct _SPCanvasArena      SPCanvasArena;
typedef struct _SPCanvasArenaClass SPCanvasArenaClass;

struct _SPCanvasArena {
    SPCanvasItem item;

    guint cursor : 1;
    guint sticky : 1;
    NR::Point c; // what is this?

    NRArena *arena;
    NRArenaItem *root;
    NRGC gc;

    NRArenaItem *active;
    /* fixme: */
    NRArenaItem *picked;
    gdouble delta;
};

struct _SPCanvasArenaClass {
    SPCanvasItemClass parent_class;

    gint (* arena_event) (SPCanvasArena *carena, NRArenaItem *item, GdkEvent *event);
};

GtkType sp_canvas_arena_get_type (void);

void sp_canvas_arena_set_pick_delta (SPCanvasArena *ca, gdouble delta);
void sp_canvas_arena_set_sticky (SPCanvasArena *ca, gboolean sticky);

void sp_canvas_arena_render_pixblock (SPCanvasArena *ca, NRPixBlock *pb);

G_END_DECLS

#endif // SEEN_SP_CANVAS_ARENA_H