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with Interfaces.C;
with System;
use type System.Address;
with Ada.Containers.Vectors;
use type Ada.Containers.Count_Type;
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_end
(G : in System.Address);
pragma Import (C, fl_group_end, "fl_group_end");
procedure fl_group_add
(G, W : in System.Address);
pragma Import (C, fl_group_add, "fl_group_add");
procedure fl_group_clear
(G : in System.Address);
pragma Import (C, fl_group_clear, "fl_group_clear");
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");
procedure Initialize
(This : in out Group) is
begin
Initialize (Widget (This));
This.Widget_List := Widget_Vectors.Empty_Vector;
end Initialize;
procedure Finalize
(This : in out Group) is
begin
Finalize (Widget (This));
if This.Void_Ptr /= System.Null_Address then
while This.Widget_List.Length > 0 loop
This.Remove (This.Widget_List.Last_Index);
end loop;
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);
end return;
end Create;
procedure Add
(This : in out Group;
Item : in out Widget'Class) is
begin
if Item.Parent /= null then
Item.Parent.Remove (Item);
end if;
This.Widget_List.Append (Item'Unchecked_Access);
Item.Parent := This'Unchecked_Access;
fl_group_add (This.Void_Ptr, Item.Void_Ptr);
end Add;
function Child
(This : in Group;
Place : in Index)
return Widget_Cursor is
begin
return Ref : Widget_Cursor (This.Widget_List.Element (Place));
end Child;
procedure Clear
(This : in out Group) is
begin
while This.Widget_List.Length > 0 loop
This.Remove (This.Widget_List.Last_Index);
end loop;
fl_group_clear (This.Void_Ptr);
end Clear;
function Find
(This : in Group;
Item : in out Widget'Class)
return Index is
begin
return This.Widget_List.Find_Index (Item'Unchecked_Access);
end Find;
procedure Insert
(This : in out Group;
Item : in out Widget'Class;
Place : in Index) is
begin
if Item.Parent /= null then
Item.Parent.Remove (Item);
end if;
This.Widget_List.Insert (Place, Item'Unchecked_Access);
Item.Parent := This'Unchecked_Access;
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
Item.Parent := null;
This.Widget_List.Delete (This.Find (Item));
fl_group_remove (This.Void_Ptr, Item.Void_Ptr);
end Remove;
procedure Remove
(This : in out Group;
Place : in Index) is
begin
This.Widget_List.Element (Place).Parent := null;
This.Widget_List.Delete (Place);
fl_group_remove2 (This.Void_Ptr, Interfaces.C.int (Place));
end Remove;
end FLTK.Widgets.Groups;
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