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-- Programmed by Jedidiah Barber
-- Released into the public domain
with
Interfaces.C.Strings;
package body FLTK.Widgets.Valuators.Rollers is
------------------------
-- Functions From C --
------------------------
function new_fl_roller
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return Storage.Integer_Address;
pragma Import (C, new_fl_roller, "new_fl_roller");
pragma Inline (new_fl_roller);
procedure free_fl_roller
(D : in Storage.Integer_Address);
pragma Import (C, free_fl_roller, "free_fl_roller");
pragma Inline (free_fl_roller);
procedure fl_roller_draw
(W : in Storage.Integer_Address);
pragma Import (C, fl_roller_draw, "fl_roller_draw");
pragma Inline (fl_roller_draw);
function fl_roller_handle
(W : in Storage.Integer_Address;
E : in Interfaces.C.int)
return Interfaces.C.int;
pragma Import (C, fl_roller_handle, "fl_roller_handle");
pragma Inline (fl_roller_handle);
-------------------
-- Destructors --
-------------------
procedure Extra_Final
(This : in out Roller) is
begin
Extra_Final (Valuator (This));
end Extra_Final;
procedure Finalize
(This : in out Roller) is
begin
Extra_Final (This);
if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then
free_fl_roller (This.Void_Ptr);
This.Void_Ptr := Null_Pointer;
end if;
end Finalize;
--------------------
-- Constructors --
--------------------
procedure Extra_Init
(This : in out Roller;
X, Y, W, H : in Integer;
Text : in String) is
begin
Extra_Init (Valuator (This), X, Y, W, H, Text);
end Extra_Init;
procedure Initialize
(This : in out Roller) is
begin
This.Draw_Ptr := fl_roller_draw'Address;
This.Handle_Ptr := fl_roller_handle'Address;
end Initialize;
package body Forge is
function Create
(X, Y, W, H : in Integer;
Text : in String := "")
return Roller is
begin
return This : Roller do
This.Void_Ptr := new_fl_roller
(Interfaces.C.int (X),
Interfaces.C.int (Y),
Interfaces.C.int (W),
Interfaces.C.int (H),
Interfaces.C.To_C (Text));
Extra_Init (This, X, Y, W, H, Text);
end return;
end Create;
end Forge;
-----------------------
-- API Subprograms --
-----------------------
procedure Draw
(This : in out Roller) is
begin
Valuator (This).Draw;
end Draw;
function Handle
(This : in out Roller;
Event : in Event_Kind)
return Event_Outcome is
begin
return Valuator (This).Handle (Event);
end Handle;
end FLTK.Widgets.Valuators.Rollers;
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