1 files changed, 75 insertions, 0 deletions
diff --git a/fltk/fltk/ItemGroup.h b/fltk/fltk/ItemGroup.h
new file mode 100644
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+++ b/fltk/fltk/ItemGroup.h
@@ -0,0 +1,75 @@
+//
+// "$Id: ItemGroup.h 5575 2007-01-02 17:31:40Z spitzak $"
+//
+// Widget designed to be a nested list in a menu or browser. This
+// copies the drawing and style code from Item. I did not modify the
+// base Menu class this way because the style inheritance would mess
+// up the styles of MenuButton and MenuBar. Code is in Item.cxx
+//
+// Copyright 1998-2006 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems to "fltk-bugs@fltk.org".
+//
+
+#ifndef fltk_ItemGroup_h
+#define fltk_ItemGroup_h
+
+#include "Menu.h"
+
+namespace fltk {
+
+class FL_API ItemGroup : public Menu {
+public:
+  void draw();
+  void layout();
+  int handle(int);
+  ItemGroup(const char* label = 0, bool begin=false);
+  ItemGroup(const char* label, const Symbol*, bool begin=false);
+};
+
+/** \class MenuSection
+  This class will elegantly facilitate dynamic (& hand-made) menu code writing
+  by creating and calling begin() on an ItemGroup in the constructor and
+  calling end() in the destructor:
+  \code
+  mymenu->begin();
+  new Item("in main menu");
+  {MenuSection g("submenu title");
+    new Item("in submenu");
+    new Item("also in submenu");
+  } // destructor ends the submenu
+  \endcode
+*/
+class FL_API MenuSection {
+  ItemGroup* group_;
+public:
+  //! build a typical submenu group section, then call begin()
+  MenuSection(const char* label = 0) { group_ = new ItemGroup(label,true); }
+
+  MenuSection(const char* label, const Symbol* i) { group_ = new ItemGroup(label,i,true); }
+
+  //! call end() at destruction
+  ~MenuSection() {group_->end();}
+
+  //! The ItemGroup created by this.
+  ItemGroup* group() const {return group_;}
+};
+
+}
+
+#endif