Function

GtkScaleFormatValueFunc

Declaration 

char*
(* GtkScaleFormatValueFunc) (
  GtkScale* scale,
  double value,
  gpointer user_data
)

Description [src]

Function that formats the value of a scale.

See gtk_scale_set_format_value_func().

Parameters

scale

Type: GtkScale

The GtkScale.

The data is owned by the caller of the function.
value

Type: double

The numeric value to format.

user_data

Type: gpointer

User data.

The argument can be NULL.
The data is owned by the caller of the function.

Return value

Type: char*

A newly allocated string describing a textual representation of the given numerical value.

The caller of the function takes ownership of the data, and is responsible for freeing it.
The value is a NUL terminated UTF-8 string.