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with
Interfaces.C.Strings,
System;
use type
System.Address;
package body FLTK.Widgets.Valuators.Sliders.Scrollbars is
procedure scrollbar_set_draw_hook
(W, D : in System.Address);
pragma Import (C, scrollbar_set_draw_hook, "scrollbar_set_draw_hook");
procedure scrollbar_set_handle_hook
(W, H : in System.Address);
pragma Import (C, scrollbar_set_handle_hook, "scrollbar_set_handle_hook");
function new_fl_scrollbar
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return System.Address;
pragma Import (C, new_fl_scrollbar, "new_fl_scrollbar");
procedure free_fl_scrollbar
(D : in System.Address);
pragma Import (C, free_fl_scrollbar, "free_fl_scrollbar");
function fl_scrollbar_get_linesize
(S : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_scrollbar_get_linesize, "fl_scrollbar_get_linesize");
procedure fl_scrollbar_set_linesize
(S : in System.Address;
T : in Interfaces.C.int);
pragma Import (C, fl_scrollbar_set_linesize, "fl_scrollbar_set_linesize");
function fl_scrollbar_get_value
(S : in System.Address)
return Interfaces.C.int;
pragma Import (C, fl_scrollbar_get_value, "fl_scrollbar_get_value");
procedure fl_scrollbar_set_value
(S : in System.Address;
T : in Interfaces.C.int);
pragma Import (C, fl_scrollbar_set_value, "fl_scrollbar_set_value");
procedure fl_scrollbar_set_value2
(S : in System.Address;
P, W, F, T : in Interfaces.C.int);
pragma Import (C, fl_scrollbar_set_value2, "fl_scrollbar_set_value2");
procedure fl_scrollbar_draw
(W : in System.Address);
pragma Import (C, fl_scrollbar_draw, "fl_scrollbar_draw");
function fl_scrollbar_handle
(W : in System.Address;
E : in Interfaces.C.int)
return Interfaces.C.int;
pragma Import (C, fl_scrollbar_handle, "fl_scrollbar_handle");
procedure Finalize
(This : in out Scrollbar) is
begin
if This.Void_Ptr /= System.Null_Address and then
This in Scrollbar'Class
then
free_fl_scrollbar (This.Void_Ptr);
This.Void_Ptr := System.Null_Address;
end if;
Finalize (Slider (This));
end Finalize;
package body Forge is
function Create
(X, Y, W, H : in Integer;
Text : in String)
return Scrollbar is
begin
return This : Scrollbar do
This.Void_Ptr := new_fl_scrollbar
(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));
scrollbar_set_draw_hook (This.Void_Ptr, Draw_Hook'Address);
scrollbar_set_handle_hook (This.Void_Ptr, Handle_Hook'Address);
end return;
end Create;
end Forge;
function Get_Line_Size
(This : in Scrollbar)
return Natural is
begin
return Natural (fl_scrollbar_get_linesize (This.Void_Ptr));
end Get_Line_Size;
procedure Set_Line_Size
(This : in out Scrollbar;
To : in Natural) is
begin
fl_scrollbar_set_linesize (This.Void_Ptr, Interfaces.C.int (To));
end Set_Line_Size;
function Get_Position
(This : in Scrollbar)
return Natural is
begin
return Natural (fl_scrollbar_get_value (This.Void_Ptr));
end Get_Position;
procedure Set_Position
(This : in out Scrollbar;
To : in Natural) is
begin
fl_scrollbar_set_value (This.Void_Ptr, Interfaces.C.int (To));
end Set_Position;
procedure Set_All
(This : in out Scrollbar;
Position : in Natural;
Win_Size : in Natural;
First_Line : in Natural;
Total_Lines : in Natural) is
begin
fl_scrollbar_set_value2
(This.Void_Ptr,
Interfaces.C.int (Position),
Interfaces.C.int (Win_Size),
Interfaces.C.int (First_Line),
Interfaces.C.int (Total_Lines));
end Set_All;
procedure Draw
(This : in out Scrollbar) is
begin
fl_scrollbar_draw (This.Void_Ptr);
end Draw;
function Handle
(This : in out Scrollbar;
Event : in Event_Kind)
return Event_Outcome is
begin
return Event_Outcome'Val
(fl_scrollbar_handle (This.Void_Ptr, Event_Kind'Pos (Event)));
end Handle;
end FLTK.Widgets.Valuators.Sliders.Scrollbars;
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