Added an "area" property to LdSymbol.

To accomplish this, LdSymbolArea had to be converted
to a regular boxed type.
This commit is contained in:
Přemysl Eric Janouch 2010-10-27 18:15:31 +02:00
parent 9156953cc9
commit 121d923d29
2 changed files with 95 additions and 19 deletions

View File

@ -17,6 +17,55 @@
#include "ld-library.h"
/**
* ld_symbol_area_copy:
* @self: An #LdSymbolArea structure.
*
* Makes a copy of the structure.
* The result must be freed by ld_symbol_area_free().
*
* Return value: A copy of @self.
**/
LdSymbolArea *
ld_symbol_area_copy (const LdSymbolArea *self)
{
LdSymbolArea *new_area;
g_return_val_if_fail (self != NULL, NULL);
new_area = g_slice_new (LdSymbolArea);
*new_area = *self;
return new_area;
}
/**
* ld_symbol_area_free:
* @self: An #LdSymbolArea structure.
*
* Frees the structure created with ld_symbol_area_copy().
**/
void
ld_symbol_area_free (LdSymbolArea *self)
{
g_return_if_fail (self != NULL);
g_slice_free (LdSymbolArea, self);
}
GType
ld_symbol_area_get_type (void)
{
static GType our_type = 0;
if (our_type == 0)
our_type = g_boxed_type_register_static
(g_intern_static_string ("LdSymbolArea"),
(GBoxedCopyFunc) ld_symbol_area_copy,
(GBoxedFreeFunc) ld_symbol_area_free);
return our_type;
}
/**
* SECTION:ld-symbol
* @short_description: A symbol.
@ -33,7 +82,7 @@ enum
PROP_0,
PROP_NAME,
PROP_HUMAN_NAME,
/* TODO: Property for the area. */
PROP_AREA
};
static void
@ -76,6 +125,16 @@ ld_symbol_class_init (LdSymbolClass *klass)
"The localized human name of this symbol.",
"", G_PARAM_READABLE);
g_object_class_install_property (object_class, PROP_HUMAN_NAME, pspec);
/**
* LdSymbol:area:
*
* The area of this symbol.
*/
pspec = g_param_spec_boxed ("area", "Area",
"The area of this symbol.",
LD_TYPE_SYMBOL_AREA, G_PARAM_READABLE);
g_object_class_install_property (object_class, PROP_AREA, pspec);
}
static void
@ -98,6 +157,14 @@ ld_symbol_get_property (GObject *object, guint property_id,
case PROP_HUMAN_NAME:
g_value_set_string (value, ld_symbol_get_human_name (self));
break;
case PROP_AREA:
{
LdSymbolArea area;
ld_symbol_get_area (self, &area);
g_value_set_boxed (value, &area);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

View File

@ -14,6 +14,33 @@
G_BEGIN_DECLS
#define LD_TYPE_SYMBOL_AREA (ld_symbol_area_get_type ())
typedef struct _LdSymbolArea LdSymbolArea;
/**
* LdSymbolArea:
* @x1: Left-top X coordinate.
* @y1: Left-top Y coordinate.
* @x2: Right-bottom X coordinate.
* @y2: Right-bottom Y coordinate.
*
* Defines the area of the symbol relative to the center of the symbol,
* which is at the (0, 0) coordinates.
*/
struct _LdSymbolArea
{
gdouble x1, y1;
gdouble x2, y2;
};
GType ld_symbol_area_get_type (void) G_GNUC_CONST;
LdSymbolArea *ld_symbol_area_copy (const LdSymbolArea *self);
void ld_symbol_area_free (LdSymbolArea *self);
#define LD_TYPE_SYMBOL (ld_symbol_get_type ())
#define LD_SYMBOL(obj) (G_TYPE_CHECK_INSTANCE_CAST \
((obj), LD_TYPE_SYMBOL, LdSymbol))
@ -30,8 +57,6 @@ typedef struct _LdSymbol LdSymbol;
typedef struct _LdSymbolPrivate LdSymbolPrivate;
typedef struct _LdSymbolClass LdSymbolClass;
typedef struct _LdSymbolArea LdSymbolArea;
/**
* LdSymbol:
@ -44,22 +69,6 @@ struct _LdSymbol
LdSymbolPrivate *priv;
};
/**
* LdSymbolArea:
* @x1: Left-top X coordinate.
* @y1: Left-top Y coordinate.
* @x2: Right-bottom X coordinate.
* @y2: Right-bottom Y coordinate.
*
* Defines the area of the symbol relative to the center of the symbol,
* which is at the (0, 0) coordinates.
*/
struct _LdSymbolArea
{
gdouble x1, y1;
gdouble x2, y2;
};
/**
* LdSymbolClass:
* @parent_class: The parent class.