Constructor

GtkPropertyExpressionnew

Declaration [src]

GtkExpression*
gtk_property_expression_new (
  GType this_type,
  GtkExpression* expression,
  const char* property_name
)

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 named property_name will be queried. Otherwise, this expression’s evaluation will fail.

The given this_type must have a property with property_name.

Parameters

this_type GType
 

The type to expect for the this type.

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.
property_name const char*
 

Name of the property.

 The data is owned by the caller of the function.
 The string is a NUL terminated UTF-8 string.

Return value

Returns: GtkPropertyExpression
 

A new GtkExpression

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