Constructor

GtkPropertyExpressionnew_for_pspec

Declaration [src]

GtkExpression*
gtk_property_expression_new_for_pspec (
  GtkExpression* expression,
  GParamSpec* pspec
)

Description [src]

Creates an expression that looks up a property.

The object to use is found by evaluating the expression, or using the this argument when expression is NULL.

If the resulting object conforms to this_type, its property specified by pspec will be queried. Otherwise, this expression’s evaluation will fail.

Parameters

expression GtkExpression
 

Expression to evaluate to get the object to query or NULL to query the this object.

 The argument can be NULL.
 The called function takes ownership of the data, and is responsible for freeing it.
pspec GParamSpec
 

The GParamSpec for the property to query.

 The data is owned by the caller of the function.

Return value

Returns: GtkPropertyExpression
 

A new GtkExpression

 The caller of the function takes ownership of the data, and is responsible for freeing it.