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/*
* ld-symbol.c
*
* This file is a part of logdiag.
* Copyright Přemysl Janouch 2010. All rights reserved.
*
* See the file LICENSE for licensing information.
*
*/
#include <gtk/gtk.h>
#include "config.h"
#include "ld-symbol.h"
#include "ld-symbol-category.h"
#include "ld-library.h"
/**
* SECTION:ld-symbol
* @short_description: A symbol.
* @see_also: #LdDocument, #LdCanvas
*
* #LdSymbol represents a symbol in the #LdDocument that is in turn
* drawn onto the #LdCanvas.
*/
/*
* LdSymbolPrivate:
* @name: The name of this symbol.
*/
struct _LdSymbolPrivate
{
gchar *name;
};
G_DEFINE_ABSTRACT_TYPE (LdSymbol, ld_symbol, G_TYPE_OBJECT);
enum
{
PROP_0,
PROP_NAME
};
static void
ld_symbol_get_property (GObject *object, guint property_id,
GValue *value, GParamSpec *pspec);
static void
ld_symbol_set_property (GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec);
static void ld_symbol_finalize (GObject *gobject);
static void
ld_symbol_class_init (LdSymbolClass *klass)
{
GObjectClass *object_class;
GParamSpec *pspec;
object_class = G_OBJECT_CLASS (klass);
object_class->get_property = ld_symbol_get_property;
object_class->set_property = ld_symbol_set_property;
object_class->finalize = ld_symbol_finalize;
/**
* LdSymbol:name:
*
* The name of this symbol.
*/
pspec = g_param_spec_string ("name", "Name",
"The name of this symbol.",
"", G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_NAME, pspec);
g_type_class_add_private (klass, sizeof (LdSymbolPrivate));
}
static void
ld_symbol_init (LdSymbol *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE
(self, LD_TYPE_SYMBOL, LdSymbolPrivate);
}
static void
ld_symbol_get_property (GObject *object, guint property_id,
GValue *value, GParamSpec *pspec)
{
LdSymbol *self;
self = LD_SYMBOL (object);
switch (property_id)
{
case PROP_NAME:
g_value_set_string (value, ld_symbol_get_name (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ld_symbol_set_property (GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec)
{
LdSymbol *self;
self = LD_SYMBOL (object);
switch (property_id)
{
case PROP_NAME:
ld_symbol_set_name (self, g_value_get_string (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ld_symbol_finalize (GObject *gobject)
{
LdSymbol *self;
self = LD_SYMBOL (gobject);
if (self->priv->name)
g_free (self->priv->name);
/* Chain up to the parent class. */
G_OBJECT_CLASS (ld_symbol_parent_class)->finalize (gobject);
}
/**
* ld_symbol_set_name:
* @self: An #LdSymbol object.
* @name: A new name for the symbol.
*
* Set the name of a symbol.
*/
void
ld_symbol_set_name (LdSymbol *self, const gchar *name)
{
g_return_if_fail (LD_IS_SYMBOL (self));
g_return_if_fail (name != NULL);
if (self->priv->name)
g_free (self->priv->name);
self->priv->name = g_strdup (name);
}
/**
* ld_symbol_get_name:
* @self: An #LdSymbol object.
*
* Return value: The name of the symbol.
*/
const gchar *
ld_symbol_get_name (LdSymbol *self)
{
g_return_if_fail (LD_IS_SYMBOL (self));
return self->priv->name;
}
/**
* ld_symbol_draw:
* @self: A symbol object.
* @cr: A cairo surface to be drawn on.
*
* Draw the symbol onto a Cairo surface.
*/
void
ld_symbol_draw (LdSymbol *self, cairo_t *cr)
{
LdSymbolClass *klass;
g_return_if_fail (LD_IS_SYMBOL (self));
g_return_if_fail (cr != NULL);
klass = LD_SYMBOL_GET_CLASS (self);
if (klass->draw)
klass->draw (self, cr);
}
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