Added FLTK.Widgets.Valuators.Rollers

1 files changed, 109 insertions, 0 deletions

diff --git a/src/fltk-widgets-valuators-rollers.adb b/src/fltk-widgets-valuators-rollers.adb
new file mode 100644
index 0000000..408a286
--- /dev/null
+++ b/src/fltk-widgets-valuators-rollers.adb
@@ -0,0 +1,109 @@
+
+
+with
+
+    Interfaces.C.Strings,
+    System;
+
+use type
+
+    System.Address;
+
+
+package body FLTK.Widgets.Valuators.Rollers is
+
+
+    procedure roller_set_draw_hook
+           (W, D : in System.Address);
+    pragma Import (C, roller_set_draw_hook, "roller_set_draw_hook");
+
+    procedure roller_set_handle_hook
+           (W, H : in System.Address);
+    pragma Import (C, roller_set_handle_hook, "roller_set_handle_hook");
+
+
+
+
+    function new_fl_roller
+           (X, Y, W, H : in Interfaces.C.int;
+            Text       : in Interfaces.C.char_array)
+        return System.Address;
+    pragma Import (C, new_fl_roller, "new_fl_roller");
+
+    procedure free_fl_roller
+           (D : in System.Address);
+    pragma Import (C, free_fl_roller, "free_fl_roller");
+
+
+
+
+    procedure fl_roller_draw
+           (W : in System.Address);
+    pragma Import (C, fl_roller_draw, "fl_roller_draw");
+
+    function fl_roller_handle
+           (W : in System.Address;
+            E : in Interfaces.C.int)
+        return Interfaces.C.int;
+    pragma Import (C, fl_roller_handle, "fl_roller_handle");
+
+
+
+
+    procedure Finalize
+           (This : in out Roller) is
+    begin
+        if  This.Void_Ptr /= System.Null_Address and then
+            This in Roller'Class
+        then
+            free_fl_roller (This.Void_Ptr);
+            This.Void_Ptr := System.Null_Address;
+        end if;
+        Finalize (Valuator (This));
+    end Finalize;
+
+
+
+
+    function Create
+           (X, Y, W, H : in Integer;
+            Text       : in String)
+        return Roller is
+    begin
+        return This : Roller do
+            This.Void_Ptr := new_fl_roller
+                   (Interfaces.C.int (X),
+                    Interfaces.C.int (Y),
+                    Interfaces.C.int (W),
+                    Interfaces.C.int (H),
+                    Interfaces.C.To_C (Text));
+            fl_widget_set_user_data
+                   (This.Void_Ptr,
+                    Widget_Convert.To_Address (This'Unchecked_Access));
+            roller_set_draw_hook (This.Void_Ptr, Draw_Hook'Address);
+            roller_set_handle_hook (This.Void_Ptr, Handle_Hook'Address);
+        end return;
+    end Create;
+
+
+
+
+    procedure Draw
+           (This : in out Roller) is
+    begin
+        fl_roller_draw (This.Void_Ptr);
+    end Draw;
+
+
+    function Handle
+           (This  : in out Roller;
+            Event : in     Event_Kind)
+        return Event_Outcome is
+    begin
+        return Event_Outcome'Val
+               (fl_roller_handle (This.Void_Ptr, Event_Kind'Pos (Event)));
+    end Handle;
+
+
+end FLTK.Widgets.Valuators.Rollers;
+