Gtk.Text_Iter.Forward_Find_Char_User_Data

Description

Destroy

procedure Destroy (Data : in out User_Data_Type)

Parameters

Data

Forward_Find_Char

function Forward_Find_Char
   (Iter      : in out Gtk.Text_Iter.Gtk_Text_Iter;
    Pred      : Gtk_Text_Char_Predicate;
    User_Data : User_Data_Type;
    Limit     : Gtk.Text_Iter.Gtk_Text_Iter := Null_Text_Iter)
    return Boolean

Advances Iter, calling Pred on each character. If Pred returns True, returns True and stops scanning. If Pred never returns True, Iter is set to Limit if Limit is non-null, otherwise to the end iterator.

Parameters

Iter

Pred

a function to be called on each character

User_Data

user data for Pred

Limit

search limit

Return Value

whether a match was found

Gtk_Text_Char_Predicate

type Gtk_Text_Char_Predicate is access function (Ch : Gunichar; User_Data : User_Data_Type) return Boolean;

The predicate function used by Gtk.Text_Iter.Forward_Find_Char and Gtk.Text_Iter.Backward_Find_Char.

Parameters

Ch

a Unicode code point

User_Data

data passed to the callback

Return Value

True if the predicate is satisfied, and the iteration should stop, and False otherwise

User_Data_Type

type User_Data_Type (<>) is private;