From b1a8b46960380dc3a771935a09c4e4a23e811c4a Mon Sep 17 00:00:00 2001 From: Jed Barber Date: Fri, 27 May 2016 04:03:00 +1000 Subject: Text buffers, access types and line lengths --- src/fltk_binding/fltk-text_buffers.adb | 50 ++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 src/fltk_binding/fltk-text_buffers.adb (limited to 'src/fltk_binding/fltk-text_buffers.adb') diff --git a/src/fltk_binding/fltk-text_buffers.adb b/src/fltk_binding/fltk-text_buffers.adb new file mode 100644 index 0000000..12a6a73 --- /dev/null +++ b/src/fltk_binding/fltk-text_buffers.adb @@ -0,0 +1,50 @@ + + +with Interfaces.C; +with System; +use type System.Address; + + +package body FLTK.Text_Buffers is + + + function new_fl_text_buffer + (RS, PGS : in Interfaces.C.int) + return System.Address; + pragma Import (C, new_fl_text_buffer, "new_fl_text_buffer"); + + procedure free_fl_text_buffer + (TB : in System.Address); + pragma Import (C, free_fl_text_buffer, "free_fl_text_buffer"); + + + + + procedure Finalize + (This : in out Text_Buffer) is + begin + if (This.Void_Ptr /= System.Null_Address) then + free_fl_text_buffer (This.Void_Ptr); + end if; + end Finalize; + + + + + function Create + (Requested_Size : in Natural := 0; + Preferred_Gap_Size : in Natural := 1024) + return Text_Buffer is + + VP : System.Address; + + begin + VP := new_fl_text_buffer + (Interfaces.C.int (Requested_Size), + Interfaces.C.int (Preferred_Gap_Size)); + return (Ada.Finalization.Limited_Controlled with Void_Ptr => VP); + end Create; + + +end FLTK.Text_Buffers; + -- cgit