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/*
* ld-diagram-object.c
*
* This file is a part of logdiag.
* Copyright Přemysl Janouch 2010. All rights reserved.
*
* See the file LICENSE for licensing information.
*
*/
#include "liblogdiag.h"
#include "config.h"
/**
* SECTION:ld-diagram-object
* @short_description: A diagram object.
* @see_also: #LdDiagram, #LdCanvas
*
* #LdDiagramObject represents an object in an #LdDiagram.
*/
/*
* LdDiagramObjectPrivate:
* @x: The X coordinate of this object.
* @y: The Y coordinate of this object.
*/
struct _LdDiagramObjectPrivate
{
gdouble x;
gdouble y;
};
enum
{
PROP_0,
PROP_X,
PROP_Y
};
static void ld_diagram_object_get_property (GObject *object, guint property_id,
GValue *value, GParamSpec *pspec);
static void ld_diagram_object_set_property (GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec);
G_DEFINE_ABSTRACT_TYPE (LdDiagramObject, ld_diagram_object, G_TYPE_OBJECT);
static void
ld_diagram_object_class_init (LdDiagramObjectClass *klass)
{
GObjectClass *object_class;
GParamSpec *pspec;
object_class = G_OBJECT_CLASS (klass);
object_class->get_property = ld_diagram_object_get_property;
object_class->set_property = ld_diagram_object_set_property;
/**
* LdDiagramObject:x:
*
* The X coordinate of the object.
*/
pspec = g_param_spec_double ("x", "X",
"The X coordinate of this object.",
-G_MAXDOUBLE, G_MAXDOUBLE, 0, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_X, pspec);
/**
* LdDiagramObject:y:
*
* The Y coordinate of the object.
*/
pspec = g_param_spec_double ("y", "Y",
"The Y coordinate of this object.",
-G_MAXDOUBLE, G_MAXDOUBLE, 0, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_Y, pspec);
g_type_class_add_private (klass, sizeof (LdDiagramObjectPrivate));
}
static void
ld_diagram_object_init (LdDiagramObject *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE
(self, LD_TYPE_DIAGRAM_OBJECT, LdDiagramObjectPrivate);
}
static void
ld_diagram_object_get_property (GObject *object, guint property_id,
GValue *value, GParamSpec *pspec)
{
LdDiagramObject *self;
self = LD_DIAGRAM_OBJECT (object);
switch (property_id)
{
case PROP_X:
g_value_set_double (value, ld_diagram_object_get_x (self));
break;
case PROP_Y:
g_value_set_double (value, ld_diagram_object_get_y (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ld_diagram_object_set_property (GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec)
{
LdDiagramObject *self;
self = LD_DIAGRAM_OBJECT (object);
switch (property_id)
{
case PROP_X:
ld_diagram_object_set_x (self, g_value_get_double (value));
break;
case PROP_Y:
ld_diagram_object_set_y (self, g_value_get_double (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
/**
* ld_diagram_object_get_x:
* @self: An #LdDiagramObject object.
*
* Return value: The X coordinate of the object.
*/
gdouble
ld_diagram_object_get_x (LdDiagramObject *self)
{
g_return_val_if_fail (LD_IS_DIAGRAM_OBJECT (self), 0);
return self->priv->x;
}
/**
* ld_diagram_object_get_y:
* @self: An #LdDiagramObject object.
*
* Return value: The Y coordinate of the object.
*/
gdouble
ld_diagram_object_get_y (LdDiagramObject *self)
{
g_return_val_if_fail (LD_IS_DIAGRAM_OBJECT (self), 0);
return self->priv->y;
}
/**
* ld_diagram_object_set_x:
* @self: An #LdDiagramObject object.
* @x: The new X coordinate.
*
* Set the X coordinate of the object.
*/
void
ld_diagram_object_set_x (LdDiagramObject *self, gdouble x)
{
g_return_if_fail (LD_IS_DIAGRAM_OBJECT (self));
self->priv->x = x;
g_object_notify (G_OBJECT (self), "x");
}
/**
* ld_diagram_object_set_y:
* @self: An #LdDiagramObject object.
* @y: The new Y coordinate.
*
* Set the Y coordinate of the object.
*/
void
ld_diagram_object_set_y (LdDiagramObject *self, gdouble y)
{
g_return_if_fail (LD_IS_DIAGRAM_OBJECT (self));
self->priv->y = y;
g_object_notify (G_OBJECT (self), "y");
}
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