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with
Interfaces.C.Strings,
System;
use type
System.Address;
package body FLTK.Widgets.Valuators.Dials.Line is
procedure line_dial_set_draw_hook
(W, D : in System.Address);
pragma Import (C, line_dial_set_draw_hook, "line_dial_set_draw_hook");
procedure line_dial_set_handle_hook
(W, H : in System.Address);
pragma Import (C, line_dial_set_handle_hook, "line_dial_set_handle_hook");
function new_fl_line_dial
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return System.Address;
pragma Import (C, new_fl_line_dial, "new_fl_line_dial");
procedure free_fl_line_dial
(D : in System.Address);
pragma Import (C, free_fl_line_dial, "free_fl_line_dial");
procedure fl_line_dial_draw
(W : in System.Address);
pragma Import (C, fl_line_dial_draw, "fl_line_dial_draw");
function fl_line_dial_handle
(W : in System.Address;
E : in Interfaces.C.int)
return Interfaces.C.int;
pragma Import (C, fl_line_dial_handle, "fl_line_dial_handle");
procedure Finalize
(This : in out Line_Dial) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in Line_Dial'Class
then
free_fl_line_dial (This.Void_Ptr);
This.Void_Ptr := System.Null_Address;
end if;
Finalize (Dial (This));
end Finalize;
function Create
(X, Y, W, H : in Integer;
Text : in String)
return Line_Dial is
begin
return This : Line_Dial do
This.Void_Ptr := new_fl_line_dial
(Interfaces.C.int (X),
Interfaces.C.int (Y),
Interfaces.C.int (W),
Interfaces.C.int (H),
Interfaces.C.To_C (Text));
fl_widget_set_user_data
(This.Void_Ptr,
Widget_Convert.To_Address (This'Unchecked_Access));
line_dial_set_draw_hook (This.Void_Ptr, Draw_Hook'Address);
line_dial_set_handle_hook (This.Void_Ptr, Handle_Hook'Address);
end return;
end Create;
procedure Draw
(This : in out Line_Dial) is
begin
fl_line_dial_draw (This.Void_Ptr);
end Draw;
function Handle
(This : in out Line_Dial;
Event : in Event_Kind)
return Event_Outcome is
begin
return Event_Outcome'Val
(fl_line_dial_handle (This.Void_Ptr, Event_Kind'Pos (Event)));
end Handle;
end FLTK.Widgets.Valuators.Dials.Line;
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