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/* Bpath item type for GnomeCanvas widget
*
* GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget. Tk is
* copyrighted by the Regents of the University of California, Sun Microsystems, and other parties.
*
* Copyright (C) 1998,1999 The Free Software Foundation
*
* Authors: Federico Mena <federico@nuclecu.unam.mx>
* Raph Levien <raph@acm.org>
* Lauris Kaplinski <lauris@ximian.com>
* Miguel de Icaza <miguel@kernel.org>
* Cody Russell <bratsche@gnome.org>
* Rusty Conover <rconover@bangtail.net>
*/
/* These includes are set up for standalone compile. If/when this codebase
is integrated into libgnomeui, the includes will need to change. */
#include <math.h>
#include <string.h>
#include <gtk/gtk.h>
#include "gnome-canvas.h"
#include "gnome-canvas-util.h"
#include "gnome-canvas-bpath.h"
#include "gnome-canvas-shape.h"
#include "gnome-canvas-shape-private.h"
#include "gnome-canvas-path-def.h"
enum {
PROP_0,
PROP_BPATH
};
static void gnome_canvas_bpath_class_init (GnomeCanvasBpathClass *class);
static void gnome_canvas_bpath_init (GnomeCanvasBpath *bpath);
static void gnome_canvas_bpath_destroy (GtkObject *object);
static void gnome_canvas_bpath_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec);
static void gnome_canvas_bpath_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec);
static void gnome_canvas_bpath_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags);
static GnomeCanvasShapeClass *parent_class;
GType
gnome_canvas_bpath_get_type (void)
{
static GType bpath_type;
if (!bpath_type) {
const GTypeInfo object_info = {
sizeof (GnomeCanvasBpathClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gnome_canvas_bpath_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (GnomeCanvasBpath),
0, /* n_preallocs */
(GInstanceInitFunc) gnome_canvas_bpath_init,
NULL /* value_table */
};
bpath_type = g_type_register_static (GNOME_TYPE_CANVAS_SHAPE, "GnomeCanvasBpath",
&object_info, 0);
}
return bpath_type;
}
static void
gnome_canvas_bpath_class_init (GnomeCanvasBpathClass *class)
{
GObjectClass *gobject_class;
GtkObjectClass *object_class;
GnomeCanvasItemClass *item_class;
gobject_class = (GObjectClass *) class;
object_class = (GtkObjectClass *) class;
item_class = (GnomeCanvasItemClass *) class;
parent_class = g_type_class_peek_parent (class);
/* when this gets checked into libgnomeui, change the
GTK_TYPE_POINTER to GTK_TYPE_GNOME_CANVAS_BPATH, and add an
entry to gnome-boxed.defs */
gobject_class->set_property = gnome_canvas_bpath_set_property;
gobject_class->get_property = gnome_canvas_bpath_get_property;
object_class->destroy = gnome_canvas_bpath_destroy;
g_object_class_install_property (gobject_class,
PROP_BPATH,
g_param_spec_boxed ("bpath", NULL, NULL,
GNOME_TYPE_CANVAS_PATH_DEF,
(G_PARAM_READABLE | G_PARAM_WRITABLE)));
item_class->update = gnome_canvas_bpath_update;
}
static void
gnome_canvas_bpath_init (GnomeCanvasBpath *bpath)
{
}
static void
gnome_canvas_bpath_destroy (GtkObject *object)
{
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
gnome_canvas_bpath_set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
GnomeCanvasItem *item;
GnomeCanvasPathDef *gpp;
item = GNOME_CANVAS_ITEM (object);
switch (param_id) {
case PROP_BPATH:
gpp = (GnomeCanvasPathDef*) g_value_get_boxed (value);
gnome_canvas_shape_set_path_def (GNOME_CANVAS_SHAPE (object), gpp);
gnome_canvas_item_request_update (item);
break;
default:
break;
}
}
static void
gnome_canvas_bpath_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GnomeCanvasShape *shape;
shape = GNOME_CANVAS_SHAPE (object);
switch (param_id) {
case PROP_BPATH:
g_value_set_boxed (value, shape->priv->path);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
gnome_canvas_bpath_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags)
{
if (GNOME_CANVAS_ITEM_CLASS (parent_class)->update) {
(* GNOME_CANVAS_ITEM_CLASS (parent_class)->update)(item, affine, clip_path, flags);
}
}
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