1 files changed, 59 insertions, 0 deletions
diff --git a/fluid/widgets/App_Menu_Bar.cxx b/fluid/widgets/App_Menu_Bar.cxx
new file mode 100644
index 000000000..5dc430c69
--- /dev/null
+++ b/fluid/widgets/App_Menu_Bar.cxx
@@ -0,0 +1,59 @@
+//
+// Application Menu Bar widget for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 2025 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file.  If this
+// file is missing or damaged, see the license at:
+//
+//     https://www.fltk.org/COPYING.php
+//
+// Please see the following page on how to report bugs and issues:
+//
+//     https://www.fltk.org/bugs.php
+//
+
+//
+// Include necessary headers...
+//
+
+#include "widgets/App_Menu_Bar.h"
+
+#include "Fluid.h"
+#include "Project.h"
+
+using namespace fld;
+using namespace fld::widget;
+
+extern void mergeback_cb(Fl_Widget *, void *);
+
+/**
+ Create a fld::widget::App_Menu_Bar widget.
+ \param[in] X, Y, W, H position and size of the widget
+ \param[in] L optional label
+ */
+App_Menu_Bar::App_Menu_Bar(int X, int Y, int W, int H, const char *L)
+: Fl_Menu_Bar(X, Y, W, H, L)
+{
+}
+
+/**
+ Set menu item visibility and active state before menu pops up.
+ */
+int App_Menu_Bar::handle(int event)
+{
+  Fl_Menu_Item *mi = nullptr;
+  if (event == FL_BEFORE_MENU) {
+    mi = (Fl_Menu_Item*)find_item(mergeback_cb);
+    if (mi && Fluid.proj.write_mergeback_data)
+      mi->show();
+    else
+      mi->hide();
+    return 1;
+  } else {
+    return Fl_Menu_Bar::handle(event);
+  }
+}
+
+