Gtk.File_Filter.Add_Custom_User_Data

Entities

Generic formal parameters

• Destroy
• User_Data_Type

Access Types

• Gtk_File_Filter_Func

Subprograms

• Add_Custom

Description

Add_Custom

procedure Add_Custom
   (Self   : not null access Gtk.File_Filter.Gtk_File_Filter_Record'Class;
    Needed : Gtk.File_Filter.Gtk_File_Filter_Flags;
    Func   : Gtk_File_Filter_Func;
    Data   : User_Data_Type)

Adds rule to a filter that allows files based on a custom callback function. The bitfield Needed which is passed in provides information about what sorts of information that the filter function needs; this allows GTK+ to avoid retrieving expensive information when it isn't needed by the filter. Since: gtk+ 2.4

Parameters

Self

Needed

bitfield of flags indicating the information that the custom filter function needs.

Func

callback function; if the function returns True, then the file will be displayed.

Data

data to pass to Func

Destroy

procedure Destroy (Data : in out User_Data_Type)

Parameters

Data

Gtk_File_Filter_Func

type Gtk_File_Filter_Func is access function
  (Filter_Info : Gtk.File_Filter.Gtk_File_Filter_Info;
   Data        : User_Data_Type) return Boolean;

The type of function that is used with custom filters, see Gtk.File_Filter.Add_Custom.

Parameters

Filter_Info

a Gtk.File_Filter.Gtk_File_Filter_Info that is filled according to the Needed flags passed to Gtk.File_Filter.Add_Custom

Data

user data passed to Gtk.File_Filter.Add_Custom

Return Value

True if the file should be displayed

User_Data_Type

type User_Data_Type (<>) is private;