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-- Programmed by Jedidiah Barber
-- Released into the public domain
with
Interfaces.C;
package body FLTK.Widgets.Groups.Scrolls is
------------------------
-- Functions From C --
------------------------
function new_fl_scroll
(X, Y, W, H : in Interfaces.C.int;
Text : in Interfaces.C.char_array)
return Storage.Integer_Address;
pragma Import (C, new_fl_scroll, "new_fl_scroll");
pragma Inline (new_fl_scroll);
procedure free_fl_scroll
(S : in Storage.Integer_Address);
pragma Import (C, free_fl_scroll, "free_fl_scroll");
pragma Inline (free_fl_scroll);
procedure fl_scroll_clear
(S : in Storage.Integer_Address);
pragma Import (C, fl_scroll_clear, "fl_scroll_clear");
pragma Inline (fl_scroll_clear);
procedure fl_scroll_to
(S : in Storage.Integer_Address;
X, Y : in Interfaces.C.int);
pragma Import (C, fl_scroll_to, "fl_scroll_to");
pragma Inline (fl_scroll_to);
procedure fl_scroll_set_type
(S : in Storage.Integer_Address;
T : in Interfaces.C.int);
pragma Import (C, fl_scroll_set_type, "fl_scroll_set_type");
pragma Inline (fl_scroll_set_type);
function fl_scroll_get_size
(S : in Storage.Integer_Address)
return Interfaces.C.int;
pragma Import (C, fl_scroll_get_size, "fl_scroll_get_size");
pragma Inline (fl_scroll_get_size);
procedure fl_scroll_set_size
(S : in Storage.Integer_Address;
T : in Interfaces.C.int);
pragma Import (C, fl_scroll_set_size, "fl_scroll_set_size");
pragma Inline (fl_scroll_set_size);
function fl_scroll_xposition
(S : in Storage.Integer_Address)
return Interfaces.C.int;
pragma Import (C, fl_scroll_xposition, "fl_scroll_xposition");
pragma Inline (fl_scroll_xposition);
function fl_scroll_yposition
(S : in Storage.Integer_Address)
return Interfaces.C.int;
pragma Import (C, fl_scroll_yposition, "fl_scroll_yposition");
pragma Inline (fl_scroll_yposition);
procedure fl_scroll_draw
(S : in Storage.Integer_Address);
pragma Import (C, fl_scroll_draw, "fl_scroll_draw");
pragma Inline (fl_scroll_draw);
function fl_scroll_handle
(S : in Storage.Integer_Address;
E : in Interfaces.C.int)
return Interfaces.C.int;
pragma Import (C, fl_scroll_handle, "fl_scroll_handle");
pragma Inline (fl_scroll_handle);
-------------------
-- Destructors --
-------------------
procedure Extra_Final
(This : in out Scroll) is
begin
Extra_Final (Group (This));
end Extra_Final;
procedure Finalize
(This : in out Scroll) is
begin
Extra_Final (This);
if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then
free_fl_scroll (This.Void_Ptr);
This.Void_Ptr := Null_Pointer;
end if;
end Finalize;
--------------------
-- Constructors --
--------------------
procedure Extra_Init
(This : in out Scroll;
X, Y, W, H : in Integer;
Text : in String) is
begin
Extra_Init (Group (This), X, Y, W, H, Text);
end Extra_Init;
procedure Initialize
(This : in out Scroll) is
begin
This.Draw_Ptr := fl_scroll_draw'Address;
This.Handle_Ptr := fl_scroll_handle'Address;
end Initialize;
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));
Extra_Init (This, X, Y, W, H, Text);
end return;
end Create;
end Forge;
-----------------------
-- API Subprograms --
-----------------------
procedure Clear
(This : in out Scroll) is
begin
fl_scroll_clear (This.Void_Ptr);
end Clear;
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
Group (This).Draw;
end Draw;
function Handle
(This : in out Scroll;
Event : in Event_Kind)
return Event_Outcome is
begin
return Group (This).Handle (Event);
end Handle;
end FLTK.Widgets.Groups.Scrolls;
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