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-rw-r--r--src/fltk-widget_callback_conversions.adb48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/fltk-widget_callback_conversions.adb b/src/fltk-widget_callback_conversions.adb
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+++ b/src/fltk-widget_callback_conversions.adb
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+
+
+with
+
+ Ada.Unchecked_Conversion,
+ FLTK.Widgets;
+
+use type
+
+ FLTK.Widgets.Widget_Callback;
+
+
+package body FLTK.Widget_Callback_Conversions is
+
+
+ function To_Access
+ (Addy : in Storage.Integer_Address)
+ return FLTK.Widgets.Widget_Callback
+ is
+ function Raw is new Ada.Unchecked_Conversion
+ (Storage.Integer_Address, FLTK.Widgets.Widget_Callback);
+ begin
+ if Addy = Null_Pointer then
+ return null;
+ else
+ return Raw (Addy);
+ end if;
+ end To_Access;
+
+
+ function To_Address
+ (Call : in FLTK.Widgets.Widget_Callback)
+ return Storage.Integer_Address
+ is
+ function Raw is new Ada.Unchecked_Conversion
+ (FLTK.Widgets.Widget_Callback, Storage.Integer_Address);
+ begin
+ if Call = null then
+ return Null_Pointer;
+ else
+ return Raw (Call);
+ end if;
+ end To_Address;
+
+
+end FLTK.Widget_Callback_Conversions;
+
+