Text buffers, access types and line lengths

1 files changed, 50 insertions, 0 deletions

diff --git a/fltk-text_buffers.adb b/fltk-text_buffers.adb
new file mode 100644
index 0000000..12a6a73
--- /dev/null
+++ b/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;
+