4 files changed, 244 insertions, 0 deletions
diff --git a/src/c_fl_roller.cpp b/src/c_fl_roller.cpp
new file mode 100644
index 0000000..94ac576
--- /dev/null
+++ b/src/c_fl_roller.cpp
@@ -0,0 +1,70 @@
+
+
+#include <FL/Fl_Roller.H>
+#include "c_fl_roller.h"
+#include "c_fl_type.h"
+
+
+
+
+class My_Roller : public Fl_Roller {
+    public:
+        using Fl_Roller::Fl_Roller;
+        friend void roller_set_draw_hook(ROLLER r, void * d);
+        friend void fl_roller_draw(ROLLER r);
+        friend void roller_set_handle_hook(ROLLER r, void * h);
+        friend int fl_roller_handle(ROLLER r, int e);
+    protected:
+        void draw();
+        void real_draw();
+        int handle(int e);
+        int real_handle(int e);
+        d_hook_p draw_hook;
+        h_hook_p handle_hook;
+};
+
+void My_Roller::draw() {
+    (*draw_hook)(this->user_data());
+}
+
+void My_Roller::real_draw() {
+    Fl_Roller::draw();
+}
+
+int My_Roller::handle(int e) {
+    return (*handle_hook)(this->user_data(), e);
+}
+
+int My_Roller::real_handle(int e) {
+    return Fl_Roller::handle(e);
+}
+
+void roller_set_draw_hook(ROLLER r, void * d) {
+    reinterpret_cast<My_Roller*>(r)->draw_hook = reinterpret_cast<d_hook_p>(d);
+}
+
+void fl_roller_draw(ROLLER r) {
+    reinterpret_cast<My_Roller*>(r)->real_draw();
+}
+
+void roller_set_handle_hook(ROLLER r, void * h) {
+    reinterpret_cast<My_Roller*>(r)->handle_hook = reinterpret_cast<h_hook_p>(h);
+}
+
+int fl_roller_handle(ROLLER r, int e) {
+    return reinterpret_cast<My_Roller*>(r)->real_handle(e);
+}
+
+
+
+
+ROLLER new_fl_roller(int x, int y, int w, int h, char* label) {
+    My_Roller *r = new My_Roller(x, y, w, h, label);
+    return r;
+}
+
+void free_fl_roller(ROLLER r) {
+    delete reinterpret_cast<My_Roller*>(r);
+}
+
+
diff --git a/src/c_fl_roller.h b/src/c_fl_roller.h
new file mode 100644
index 0000000..1820eee
--- /dev/null
+++ b/src/c_fl_roller.h
@@ -0,0 +1,27 @@
+
+
+#ifndef FL_ROLLER_GUARD
+#define FL_ROLLER_GUARD
+
+
+
+
+typedef void* ROLLER;
+
+
+
+
+extern "C" void roller_set_draw_hook(ROLLER r, void * d);
+extern "C" void fl_roller_draw(ROLLER r);
+extern "C" void roller_set_handle_hook(ROLLER r, void * h);
+extern "C" int fl_roller_handle(ROLLER r, int e);
+
+
+
+
+extern "C" ROLLER new_fl_roller(int x, int y, int w, int h, char* label);
+extern "C" void free_fl_roller(ROLLER r);
+
+
+#endif
+
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;
+
diff --git a/src/fltk-widgets-valuators-rollers.ads b/src/fltk-widgets-valuators-rollers.ads
new file mode 100644
index 0000000..22a60b4
--- /dev/null
+++ b/src/fltk-widgets-valuators-rollers.ads
@@ -0,0 +1,38 @@
+
+
+package FLTK.Widgets.Valuators.Rollers is
+
+
+    type Roller is new Valuator with private;
+
+
+
+
+    function Create
+           (X, Y, W, H : in Integer;
+            Text       : in String)
+        return Roller;
+
+
+
+
+    procedure Draw
+           (This : in out Roller);
+
+    function Handle
+           (This  : in out Roller;
+            Event : in     Event_Kind)
+        return Event_Outcome;
+
+
+private
+
+
+    type Roller is new Valuator with null record;
+
+    overriding procedure Finalize
+           (This : in out Roller);
+
+
+end FLTK.Widgets.Valuators.Rollers;
+