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with
Interfaces.C,
System;
use type
Interfaces.C.unsigned_long,
System.Address;
package body FLTK is
function fl_run return Interfaces.C.int;
pragma Import (C, fl_run, "fl_run");
function Run
return Integer is
begin
return Integer (fl_run);
end Run;
function Has_Valid_Ptr
(This : in Wrapper)
return Boolean is
begin
return This.Void_Ptr /= System.Null_Address;
end Has_Valid_Ptr;
procedure Initialize
(This : in out Wrapper) is
begin
This.Void_Ptr := System.Null_Address;
end Initialize;
function Shortcut
(Key : Pressable_Key)
return Shortcut_Key is
begin
return This : Shortcut_Key do
This.Modifier := Mod_None;
This.Keypress := Character'Pos (Key);
end return;
end Shortcut;
function "+"
(Left, Right : in Modifier_Key)
return Modifier_Key is
begin
return Left or Right;
end "+";
function "+"
(Left : in Modifier_Key;
Right : in Pressable_Key)
return Shortcut_Key is
begin
return This : Shortcut_Key do
This.Modifier := Left;
This.Keypress := Character'Pos (Right);
end return;
end "+";
function "+"
(Left : in Modifier_Key;
Right : in Shortcut_Key)
return Shortcut_Key is
begin
return This : Shortcut_Key do
This.Modifier := Left or Right.Modifier;
This.Keypress := Right.Keypress;
end return;
end "+";
function Key_To_C
(Key : in Shortcut_Key)
return Interfaces.C.unsigned_long is
begin
return Interfaces.C.unsigned_long (Key.Modifier) *
65536 + Interfaces.C.unsigned_long (Key.Keypress);
end Key_To_C;
function C_To_Key
(Key : in Interfaces.C.unsigned_long)
return Shortcut_Key is
begin
return Result : Shortcut_Key do
Result.Modifier := Modifier_Key (Key / 65536);
Result.Keypress := Interfaces.Unsigned_16 (Key mod 65536);
end return;
end C_To_Key;
end FLTK;
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