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with Interfaces.C;
with System;
use type System.Address;
package body FLTK.Widgets.Groups is
function new_fl_group
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return System.Address;
pragma Import (C, new_fl_group, "new_fl_group");
procedure free_fl_group
(G : in System.Address);
pragma Import (C, free_fl_group, "free_fl_group");
procedure fl_group_add
(G, W : in System.Address);
pragma Import (C, fl_group_add, "fl_group_add");
function fl_group_find
(G, W : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_group_find, "fl_group_find");
procedure fl_group_insert
(G, W : in System.Address;
P : in Interfaces.C.int);
pragma Import (C, fl_group_insert, "fl_group_insert");
procedure fl_group_remove
(G, W : in System.Address);
pragma Import (C, fl_group_remove, "fl_group_remove");
procedure fl_group_remove2
(G : in System.Address;
P : in Interfaces.C.int);
pragma Import (C, fl_group_remove2, "fl_group_remove2");
function fl_group_children
(G : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_group_children, "fl_group_children");
function fl_group_child
(G : in System.Address;
I : in Interfaces.C.int)
return System.Address;
pragma Import (C, fl_group_child, "fl_group_child");
procedure fl_group_resizable
(G, W : in System.Address);
pragma Import (C, fl_group_resizable, "fl_group_resizable");
procedure Finalize
(This : in out Group) is
begin
Finalize (Widget (This));
if This.Void_Ptr /= System.Null_Address then
This.Clear;
if This in Group then
free_fl_group (This.Void_Ptr);
end if;
end if;
end Finalize;
function Create
(X, Y, W, H : in Integer;
Text : in String)
return Group is
begin
return This : Group do
This.Void_Ptr := new_fl_group
(Interfaces.C.int (X),
Interfaces.C.int (Y),
Interfaces.C.int (W),
Interfaces.C.int (H),
Interfaces.C.To_C (Text));
fl_group_end (This.Void_Ptr);
fl_widget_set_user_data
(This.Void_Ptr,
Widget_Convert.To_Address (This'Unchecked_Access));
end return;
end Create;
procedure Add
(This : in out Group;
Item : in out Widget'Class) is
begin
fl_group_add (This.Void_Ptr, Item.Void_Ptr);
end Add;
function Child
(This : in Group;
Place : in Index)
return access Widget'Class
is
Widget_Ptr : System.Address :=
fl_group_child (This.Void_Ptr, Interfaces.C.int (Place - 1));
Actual_Widget : access Widget'Class :=
Widget_Convert.To_Pointer (fl_widget_get_user_data (Widget_Ptr));
begin
return Actual_Widget;
end Child;
function Number_Of_Children
(This : in Group)
return Natural is
begin
return Natural (fl_group_children (This.Void_Ptr));
end Number_Of_Children;
procedure Clear
(This : in out Group) is
begin
for I in reverse 1 .. This.Number_Of_Children loop
This.Remove (Index (I));
end loop;
end Clear;
function Find
(This : in Group;
Item : in out Widget'Class)
return Index is
begin
-- should set this up to throw an exception if not found
return Index (fl_group_find (This.Void_Ptr, Item.Void_Ptr));
end Find;
procedure Insert
(This : in out Group;
Item : in out Widget'Class;
Place : in Index) is
begin
fl_group_insert
(This.Void_Ptr,
Item.Void_Ptr,
Interfaces.C.int (Place));
end Insert;
procedure Remove
(This : in out Group;
Item : in out Widget'Class) is
begin
fl_group_remove (This.Void_Ptr, Item.Void_Ptr);
end Remove;
procedure Remove
(This : in out Group;
Place : in Index) is
begin
fl_group_remove2 (This.Void_Ptr, Interfaces.C.int (Place));
end Remove;
procedure Set_Resizable
(This : in out Group;
Item : in Widget'Class) is
begin
fl_group_resizable (This.Void_Ptr, Item.Void_Ptr);
end Set_Resizable;
end FLTK.Widgets.Groups;
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