gparamspecs.c

嵌入式下基于MiniGUI的Web Browser

	    return cmp;
	}
      return 0;
    }
}

static void
param_object_init (GParamSpec *pspec)
{
  /* GParamSpecObject *ospec = G_PARAM_SPEC_OBJECT (pspec); */
}

static void
param_object_set_default (GParamSpec *pspec,
			  GValue     *value)
{
  value->data[0].v_pointer = NULL;
}

static gboolean
param_object_validate (GParamSpec *pspec,
		       GValue     *value)
{
  GParamSpecObject *ospec = G_PARAM_SPEC_OBJECT (pspec);
  GObject *object = value->data[0].v_pointer;
  guint changed = 0;
  
  if (object && !g_value_type_compatible (G_OBJECT_TYPE (object), G_PARAM_SPEC_VALUE_TYPE (ospec)))
    {
      g_object_unref (object);
      value->data[0].v_pointer = NULL;
      changed++;
    }
  
  return changed;
}

static gint
param_object_values_cmp (GParamSpec   *pspec,
			 const GValue *value1,
			 const GValue *value2)
{
  guint8 *p1 = value1->data[0].v_pointer;
  guint8 *p2 = value2->data[0].v_pointer;

  /* not much to compare here, try to at least provide stable lesser/greater result */

  return p1 < p2 ? -1 : p1 > p2;
}


/* --- type initialization --- */
GType *g_param_spec_types = NULL;

void
g_param_spec_types_init (void)	/* sync with gtype.c */
{
  const guint n_types = 20;
  GType type, *spec_types, *spec_types_bound;

  g_param_spec_types = g_new0 (GType, n_types);
  spec_types = g_param_spec_types;
  spec_types_bound = g_param_spec_types + n_types;
  
  /* G_TYPE_PARAM_CHAR
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecChar),	/* instance_size */
      16,			/* n_preallocs */
      param_char_init,		/* instance_init */
      G_TYPE_CHAR,		/* value_type */
      NULL,			/* finalize */
      param_char_set_default,	/* value_set_default */
      param_char_validate,	/* value_validate */
      param_int_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamChar", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_CHAR);
  }
  
  /* G_TYPE_PARAM_UCHAR
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecUChar), /* instance_size */
      16,                       /* n_preallocs */
      param_uchar_init,         /* instance_init */
      G_TYPE_UCHAR,		/* value_type */
      NULL,			/* finalize */
      param_uchar_set_default,	/* value_set_default */
      param_uchar_validate,	/* value_validate */
      param_uint_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamUChar", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_UCHAR);
  }
  
  /* G_TYPE_PARAM_BOOLEAN
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecBoolean), /* instance_size */
      16,                         /* n_preallocs */
      NULL,			  /* instance_init */
      G_TYPE_BOOLEAN,             /* value_type */
      NULL,                       /* finalize */
      param_boolean_set_default,  /* value_set_default */
      param_boolean_validate,     /* value_validate */
      param_int_values_cmp,       /* values_cmp */
    };
    type = g_param_type_register_static ("GParamBoolean", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_BOOLEAN);
  }
  
  /* G_TYPE_PARAM_INT
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecInt),   /* instance_size */
      16,                       /* n_preallocs */
      param_int_init,           /* instance_init */
      G_TYPE_INT,		/* value_type */
      NULL,			/* finalize */
      param_int_set_default,	/* value_set_default */
      param_int_validate,	/* value_validate */
      param_int_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamInt", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_INT);
  }
  
  /* G_TYPE_PARAM_UINT
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecUInt),  /* instance_size */
      16,                       /* n_preallocs */
      param_uint_init,          /* instance_init */
      G_TYPE_UINT,		/* value_type */
      NULL,			/* finalize */
      param_uint_set_default,	/* value_set_default */
      param_uint_validate,	/* value_validate */
      param_uint_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamUInt", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_UINT);
  }
  
  /* G_TYPE_PARAM_LONG
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecLong),  /* instance_size */
      16,                       /* n_preallocs */
      param_long_init,          /* instance_init */
      G_TYPE_LONG,		/* value_type */
      NULL,			/* finalize */
      param_long_set_default,	/* value_set_default */
      param_long_validate,	/* value_validate */
      param_long_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamLong", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_LONG);
  }
  
  /* G_TYPE_PARAM_ULONG
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecULong), /* instance_size */
      16,                       /* n_preallocs */
      param_ulong_init,         /* instance_init */
      G_TYPE_ULONG,		/* value_type */
      NULL,			/* finalize */
      param_ulong_set_default,	/* value_set_default */
      param_ulong_validate,	/* value_validate */
      param_ulong_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamULong", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_ULONG);
  }

  /* G_TYPE_PARAM_INT64
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecInt64),  /* instance_size */
      16,                       /* n_preallocs */
      param_int64_init,         /* instance_init */
      G_TYPE_INT64,		/* value_type */
      NULL,			/* finalize */
      param_int64_set_default,	/* value_set_default */
      param_int64_validate,	/* value_validate */
      param_int64_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamInt64", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_INT64);
  }
  
  /* G_TYPE_PARAM_UINT64
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecUInt64), /* instance_size */
      16,                       /* n_preallocs */
      param_uint64_init,        /* instance_init */
      G_TYPE_UINT64,		/* value_type */
      NULL,			/* finalize */
      param_uint64_set_default,	/* value_set_default */
      param_uint64_validate,	/* value_validate */
      param_uint64_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamUInt64", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_UINT64);
  }

  /* G_TYPE_PARAM_UNICHAR
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecUnichar), /* instance_size */
      16,                        /* n_preallocs */
      param_unichar_init,	 /* instance_init */
      G_TYPE_UINT,		 /* value_type */
      NULL,			 /* finalize */
      param_unichar_set_default, /* value_set_default */
      param_unichar_validate,	 /* value_validate */
      param_unichar_values_cmp,	 /* values_cmp */
    };
    type = g_param_type_register_static ("GParamUnichar", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_UNICHAR);
  }

 /* G_TYPE_PARAM_ENUM
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecEnum),  /* instance_size */
      16,                       /* n_preallocs */
      param_enum_init,          /* instance_init */
      G_TYPE_ENUM,		/* value_type */
      param_enum_finalize,	/* finalize */
      param_enum_set_default,	/* value_set_default */
      param_enum_validate,	/* value_validate */
      param_long_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamEnum", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_ENUM);
  }
  
  /* G_TYPE_PARAM_FLAGS
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecFlags),	/* instance_size */
      16,			/* n_preallocs */
      param_flags_init,		/* instance_init */
      G_TYPE_FLAGS,		/* value_type */
      param_flags_finalize,	/* finalize */
      param_flags_set_default,	/* value_set_default */
      param_flags_validate,	/* value_validate */
      param_ulong_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamFlags", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_FLAGS);
  }
  
  /* G_TYPE_PARAM_FLOAT
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecFloat), /* instance_size */
      16,                       /* n_preallocs */
      param_float_init,         /* instance_init */
      G_TYPE_FLOAT,		/* value_type */
      NULL,			/* finalize */
      param_float_set_default,	/* value_set_default */
      param_float_validate,	/* value_validate */
      param_float_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamFloat", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_FLOAT);
  }
  
  /* G_TYPE_PARAM_DOUBLE
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecDouble),	/* instance_size */
      16,				/* n_preallocs */
      param_double_init,		/* instance_init */
      G_TYPE_DOUBLE,			/* value_type */
      NULL,				/* finalize */
      param_double_set_default,		/* value_set_default */
      param_double_validate,		/* value_validate */
      param_double_values_cmp,		/* values_cmp */
    };
    type = g_param_type_register_static ("GParamDouble", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_DOUBLE);
  }
  
  /* G_TYPE_PARAM_STRING
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecString),	/* instance_size */
      16,				/* n_preallocs */
      param_string_init,		/* instance_init */
      G_TYPE_STRING,			/* value_type */
      param_string_finalize,		/* finalize */
      param_string_set_default,		/* value_set_default */
      param_string_validate,		/* value_validate */
      param_string_values_cmp,		/* values_cmp */
    };
    type = g_param_type_register_static ("GParamString", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_STRING);
  }
  
  /* G_TYPE_PARAM_PARAM
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecParam),	/* instance_size */
      16,			/* n_preallocs */
      param_param_init,		/* instance_init */
      G_TYPE_PARAM,		/* value_type */
      NULL,			/* finalize */
      param_param_set_default,	/* value_set_default */
      param_param_validate,	/* value_validate */
      param_pointer_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamParam", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_PARAM);
  }
  
  /* G_TYPE_PARAM_BOXED
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecBoxed),	/* instance_size */
      4,			/* n_preallocs */
      param_boxed_init,		/* instance_init */
      G_TYPE_BOXED,		/* value_type */
      NULL,			/* finalize */
      param_boxed_set_default,	/* value_set_default */
      param_boxed_validate,	/* value_validate */
      param_boxed_values_cmp,	/* values_cmp */
    };
    type = g_param_type_register_static ("GParamBoxed", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_BOXED);
  }

  /* G_TYPE_PARAM_POINTER
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecPointer),  /* instance_size */
      0,                           /* n_preallocs */
      param_pointer_init,	   /* instance_init */
      G_TYPE_POINTER,  		   /* value_type */
      NULL,			   /* finalize */
      param_pointer_set_default,   /* value_set_default */
      param_pointer_validate,	   /* value_validate */
      param_pointer_values_cmp,	   /* values_cmp */
    };
    type = g_param_type_register_static ("GParamPointer", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_POINTER);
  }
  
  /* G_TYPE_PARAM_VALUE_ARRAY
   */
  {
    static /* const */ GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecValueArray),	/* instance_size */
      0,				/* n_preallocs */
      param_value_array_init,		/* instance_init */
      0xdeadbeef,			/* value_type, assigned further down */
      param_value_array_finalize,	/* finalize */
      param_value_array_set_default,	/* value_set_default */
      param_value_array_validate,	/* value_validate */
      param_value_array_values_cmp,	/* values_cmp */
    };
    pspec_info.value_type = G_TYPE_VALUE_ARRAY;
    type = g_param_type_register_static ("GParamValueArray", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_VALUE_ARRAY);
  }

  /* G_TYPE_PARAM_OBJECT
   */
  {
    static const GParamSpecTypeInfo pspec_info = {
      sizeof (GParamSpecObject), /* instance_size */
      16,                        /* n_preallocs */
      param_object_init,	 /* instance_init */
      G_TYPE_OBJECT,		 /* value_type */
      NULL,			 /* finalize */
      param_object_set_default,	 /* value_set_default */
      param_object_validate,	 /* value_validate */
      param_object_values_cmp,	 /* values_cmp */
    };
    type = g_param_type_register_static ("GParamObject", &pspec_info);
    *spec_types++ = type;
    g_assert (type == G_TYPE_PARAM_OBJECT);
  }

  g_assert (spec_types == spec_types_bound);
}


/* --- GParamSpec initialization --- */
GParamSpec*
g_param_spec_char (const gchar *name,
		   const gchar *nick,
		   const gchar *blurb,
		   gint8	minimum,
		   gint8	maximum,
		   gint8	default_value,
		   GParamFlags	flags)
{
  GParamSpecChar *cspec;

  g_return_val_if_fail (default_value >= minimum && default_value <= maximum, NULL);

  cspec = g_param_spec_internal (G_TYPE_PARAM_CHAR,
				 name,
				 nick,
				 blurb,
				 flags);
  
  cspec->minimum = minimum;
  cspec->maximum = maximum;
  cspec->default_value = default_value;
  
  return G_PARAM_SPEC (cspec);
}

GParamSpec*
g_param_spec_uchar (const gchar *name,
		    const gchar *nick,