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with
Interfaces.C,
System;
use type
System.Address;
package body FLTK.Widgets.Groups.Scrolls is
procedure scroll_set_draw_hook
(S, D : in System.Address);
pragma Import (C, scroll_set_draw_hook, "scroll_set_draw_hook");
procedure scroll_set_handle_hook
(S, H : in System.Address);
pragma Import (C, scroll_set_handle_hook, "scroll_set_handle_hook");
function new_fl_scroll
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return System.Address;
pragma Import (C, new_fl_scroll, "new_fl_scroll");
procedure free_fl_scroll
(S : in System.Address);
pragma Import (C, free_fl_scroll, "free_fl_scroll");
procedure fl_scroll_to
(S : in System.Address;
X, Y : in Interfaces.C.int);
pragma Import (C, fl_scroll_to, "fl_scroll_to");
procedure fl_scroll_set_type
(S : in System.Address;
T : in Interfaces.C.int);
pragma Import (C, fl_scroll_set_type, "fl_scroll_set_type");
function fl_scroll_get_size
(S : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_scroll_get_size, "fl_scroll_get_size");
procedure fl_scroll_set_size
(S : in System.Address;
T : in Interfaces.C.int);
pragma Import (C, fl_scroll_set_size, "fl_scroll_set_size");
function fl_scroll_xposition
(S : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_scroll_xposition, "fl_scroll_xposition");
function fl_scroll_yposition
(S : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_scroll_yposition, "fl_scroll_yposition");
procedure fl_scroll_draw
(S : in System.Address);
pragma Import (C, fl_scroll_draw, "fl_scroll_draw");
function fl_scroll_handle
(S : in System.Address;
E : in Interfaces.C.int)
return Interfaces.C.int;
pragma Import (C, fl_scroll_handle, "fl_scroll_handle");
procedure Finalize
(This : in out Scroll) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in Scroll'Class
then
This.Clear;
free_fl_scroll (This.Void_Ptr);
This.Void_Ptr := System.Null_Address;
end if;
Finalize (Group (This));
end Finalize;
package body Forge is
function Create
(X, Y, W, H : in Integer;
Text : in String)
return Scroll is
begin
return This : Scroll do
This.Void_Ptr := new_fl_scroll
(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));
scroll_set_draw_hook (This.Void_Ptr, Draw_Hook'Address);
scroll_set_handle_hook (This.Void_Ptr, Handle_Hook'Address);
end return;
end Create;
end Forge;
procedure Scroll_To
(This : in out Scroll;
X, Y : in Integer) is
begin
fl_scroll_to (This.Void_Ptr, Interfaces.C.int (X), Interfaces.C.int (Y));
end Scroll_To;
procedure Set_Type
(This : in out Scroll;
Mode : in Scroll_Kind) is
begin
fl_scroll_set_type (This.Void_Ptr, Scroll_Kind'Pos (Mode));
end Set_Type;
function Get_Scrollbar_Size
(This : in Scroll)
return Integer is
begin
return Integer (fl_scroll_get_size (This.Void_Ptr));
end Get_Scrollbar_Size;
procedure Set_Scrollbar_Size
(This : in out Scroll;
To : in Integer) is
begin
fl_scroll_set_size (This.Void_Ptr, Interfaces.C.int (To));
end Set_Scrollbar_Size;
function Get_Scroll_X
(This : in Scroll)
return Integer is
begin
return Integer (fl_scroll_xposition (This.Void_Ptr));
end Get_Scroll_X;
function Get_Scroll_Y
(This : in Scroll)
return Integer is
begin
return Integer (fl_scroll_yposition (This.Void_Ptr));
end Get_Scroll_Y;
procedure Draw
(This : in out Scroll) is
begin
fl_scroll_draw (This.Void_Ptr);
end Draw;
function Handle
(This : in out Scroll;
Event : in Event_Kind)
return Event_Outcome is
begin
return Event_Outcome'Val
(fl_scroll_handle (This.Void_Ptr, Event_Kind'Pos (Event)));
end Handle;
end FLTK.Widgets.Groups.Scrolls;
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