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-- Programmed by Jedidiah Barber
-- Released into the public domain
with
Ada.Iterator_Interfaces;
private with
System.Address_To_Access_Conversions;
package FLTK.Widgets.Groups is
type Group is new Widget with private
with Default_Iterator => Iterate,
Iterator_Element => Widget_Reference,
Variable_Indexing => Child;
type Group_Reference (Data : not null access Group'Class) is limited null record
with Implicit_Dereference => Data;
subtype Index is Positive;
subtype Extended_Index is Natural;
No_Index : constant Extended_Index := Extended_Index'First;
type Clip_Mode is (No_Clip, Clip);
type Cursor is private;
package Forge is
function Create
(X, Y, W, H : in Integer;
Text : in String := "")
return Group;
function Create
(Parent : in out Group'Class;
X, Y, W, H : in Integer;
Text : in String := "")
return Group;
end Forge;
procedure Add
(This : in out Group;
Item : in out Widget'Class);
procedure Insert
(This : in out Group;
Item : in out Widget'Class;
Place : in Index);
procedure Insert
(This : in out Group;
Item : in out Widget'Class;
Before : in Widget'Class);
procedure Remove
(This : in out Group;
Item : in out Widget'Class);
procedure Remove
(This : in out Group;
Place : in Index);
procedure Clear
(This : in out Group);
function Has_Child
(This : in Group;
Place : in Index)
return Boolean;
function Has_Child
(Place : in Cursor)
return Boolean;
function Child
(This : in Group;
Place : in Index)
return Widget_Reference
with Pre => This.Has_Child (Place);
function Child
(This : in Group;
Place : in Cursor)
return Widget_Reference;
function Find
(This : in Group;
Item : in out Widget'Class)
return Extended_Index;
function Number_Of_Children
(This : in Group)
return Natural;
package Group_Iterators is
new Ada.Iterator_Interfaces (Cursor, Has_Child);
function Iterate
(This : in Group)
return Group_Iterators.Reversible_Iterator'Class;
function Get_Clip_Mode
(This : in Group)
return Clip_Mode;
procedure Set_Clip_Mode
(This : in out Group;
Mode : in Clip_Mode := Clip);
procedure Add_Resizable
(This : in out Group;
Item : in out Widget'Class);
function Get_Resizable
(This : in Group)
return access Widget'Class;
procedure Set_Resizable
(This : in out Group;
Item : in Widget'Class);
procedure Reset_Sizes
(This : in out Group);
procedure Resize
(This : in out Group;
X, Y, W, H : in Integer);
function Get_Current
return access Group'Class;
procedure Set_Current
(To : in Group'Class);
procedure Begin_Current
(This : in out Group);
procedure End_Current
(This : in out Group);
procedure Draw
(This : in out Group);
procedure Draw_Child
(This : in out Group;
Item : in out Widget'Class);
procedure Draw_Children
(This : in out Group);
procedure Draw_Outside_Label
(This : in out Group;
Item : in out Widget'Class);
procedure Update_Child
(This : in out Group;
Item : in out Widget'Class);
function Handle
(This : in out Group;
Event : in Event_Kind)
return Event_Outcome;
private
type Group is new Widget with null record;
overriding procedure Initialize
(This : in out Group);
overriding procedure Finalize
(This : in out Group);
procedure Extra_Init
(This : in out Group;
X, Y, W, H : in Integer;
Text : in String);
procedure Extra_Final
(This : in out Group);
package Group_Convert is new System.Address_To_Access_Conversions (Group);
type Cursor is record
My_Container : access Group;
My_Index : Index'Base := Index'First;
end record;
type Iterator is new Group_Iterators.Reversible_Iterator with record
My_Container : access Group;
end record;
overriding function First
(Object : in Iterator)
return Cursor;
overriding function Next
(Object : in Iterator;
Place : in Cursor)
return Cursor;
overriding function Last
(Object : in Iterator)
return Cursor;
overriding function Previous
(Object : in Iterator;
Place : in Cursor)
return Cursor;
pragma Inline (Add);
pragma Inline (Insert);
pragma Inline (Remove);
pragma Inline (Clear);
pragma Inline (Has_Child);
pragma Inline (Child);
pragma Inline (Find);
pragma Inline (Number_Of_Children);
pragma Inline (Iterate);
pragma Inline (Get_Clip_Mode);
pragma Inline (Set_Clip_Mode);
pragma Inline (Add_Resizable);
pragma Inline (Set_Resizable);
pragma Inline (Reset_Sizes);
pragma Inline (Resize);
pragma Inline (Set_Current);
pragma Inline (Begin_Current);
pragma Inline (End_Current);
pragma Inline (Draw);
pragma Inline (Draw_Child);
pragma Inline (Draw_Children);
pragma Inline (Draw_Outside_Label);
pragma Inline (Update_Child);
pragma Inline (Handle);
end FLTK.Widgets.Groups;
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