Converted class Fl_Sys_Menu_Bar to the driver model.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12575 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

4 files changed, 78 insertions, 40 deletions

diff --git a/FL/Fl_Menu_Bar.H b/FL/Fl_Menu_Bar.H
index b6261069d..11a895430 100644
--- a/FL/Fl_Menu_Bar.H
+++ b/FL/Fl_Menu_Bar.H
@@ -3,7 +3,7 @@
 //
 // Menu bar header file for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 1998-2016 by Bill Spitzak and others.
+// Copyright 1998-2017 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
@@ -65,6 +65,7 @@
   callbacks exactly the same as when you pick the item with the mouse.
 */
 class FL_EXPORT Fl_Menu_Bar : public Fl_Menu_ {
+  friend class Fl_Sys_Menu_Bar_Driver;
 protected:
     void draw();
 public:
diff --git a/FL/Fl_Sys_Menu_Bar.H b/FL/Fl_Sys_Menu_Bar.H
index 833140c24..31bcb3cc7 100644
--- a/FL/Fl_Sys_Menu_Bar.H
+++ b/FL/Fl_Sys_Menu_Bar.H
@@ -3,7 +3,7 @@
 //
 // MacOS system menu bar header file for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 1998-2010 by Bill Spitzak and others.
+// Copyright 1998-2017 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
@@ -21,7 +21,7 @@
 
 #include <FL/Fl_Menu_Bar.H>
 
-#if defined(__APPLE__) || defined(FL_DOXYGEN)
+class Fl_Sys_Menu_Bar_Driver;
 
 /**
   A class to create, modify and delete menus that appear on Mac OS X in the menu bar at the top of the screen.
@@ -41,14 +41,15 @@
   \li no embossed labels
   \li no font sizes
  
-  You can configure a callback for the 'About' menu item to invoke your own code with fl_mac_set_about().
+ You can configure a callback for the 'About' menu item to invoke your own code with Fl_Sys_Menu_Bar::about().
  */
 class FL_EXPORT Fl_Sys_Menu_Bar : public Fl_Menu_Bar {
 protected:
-  void draw();
+  virtual void draw();
 public:
   Fl_Sys_Menu_Bar(int x,int y,int w,int h,const char *l=0);
-  ~Fl_Sys_Menu_Bar();
+  virtual ~Fl_Sys_Menu_Bar();
+  Fl_Sys_Menu_Bar_Driver *driver();
   /** Return the system menu's array of Fl_Menu_Item's 
    */
   const Fl_Menu_Item *menu() const {return Fl_Menu_::menu();}
@@ -71,38 +72,25 @@ public:
     }
   void remove(int n);
   void replace(int index, const char *name);
-  /** Set the Fl_Menu_Item array pointer to null, indicating a zero-length menu. 
-   \see Fl_Menu_::clear()
-   */
   void clear();
-  /** Clears the specified submenu pointed to by index of all menu items.
-   \see Fl_Menu_::clear_submenu(int index)
-   */
   int clear_submenu(int index);
-  /** Make the shortcuts for this menu work no matter what window has the focus when you type it.
-   */
-  void global() {};
-  /** Sets the flags of item i
-   \see Fl_Menu_::mode(int i, int fl) */
-  void 	mode (int i, int fl) {
-    Fl_Menu_::mode(i, fl);
-    update();
-    }
+  void 	mode (int i, int fl);
   /** Gets the flags of item i.
    */
   int mode(int i) const { return Fl_Menu_::mode(i); }
-  /** Changes the shortcut of item i to n.
-   */
-  void shortcut (int i, int s) { Fl_Menu_::shortcut(i, s); update(); }
-  /** Turns the radio item "on" for the menu item and turns "off" adjacent radio items of the same group.*/
-  void setonly (Fl_Menu_Item *item) { Fl_Menu_::setonly(item); update(); }
+  void shortcut (int i, int s);
+  void setonly (Fl_Menu_Item *item);
+  static void about(Fl_Callback *cb, void *data);
 };
 
-#else
+extern Fl_Sys_Menu_Bar *fl_sys_menu_bar;
 
-typedef Fl_Menu_Bar Fl_Sys_Menu_Bar;
+/**
+ *  Attaches a callback to the "About myprog" item of the system application menu.
+ For back-compatibility. Equivalent to Fl_Sys_Menu_Bar::about(cb, user_data).
+ */
+inline void fl_mac_set_about(Fl_Callback *cb, void *user_data, int shortcut = 0) { Fl_Sys_Menu_Bar::about(cb, user_data);}
 
-#endif // defined(__APPLE__) || defined(FL_DOXYGEN)
 
 #endif // Fl_Sys_Menu_Bar_H
 
diff --git a/FL/Fl_Sys_Menu_Bar_Driver.H b/FL/Fl_Sys_Menu_Bar_Driver.H
new file mode 100644
index 000000000..8ab45cc93
--- /dev/null
+++ b/FL/Fl_Sys_Menu_Bar_Driver.H
@@ -0,0 +1,58 @@
+//
+// "$Id$"
+//
+// system menu bar widget for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2017 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:
+//
+//     http://www.fltk.org/COPYING.php
+//
+// Please report all bugs and problems on the following page:
+//
+//     http://www.fltk.org/str.php
+//
+
+#ifndef Fl_Sys_Menu_Bar_Driver_H
+#define Fl_Sys_Menu_Bar_Driver_H
+
+#include <FL/Fl_Sys_Menu_Bar.H>
+
+class Fl_Sys_Menu_Bar_Driver {
+  friend class Fl_Sys_Menu_Bar;
+protected:
+  Fl_Sys_Menu_Bar *bar;
+public:
+  Fl_Sys_Menu_Bar_Driver();
+  virtual ~Fl_Sys_Menu_Bar_Driver();
+  virtual void update() {}
+  virtual void draw() { bar->Fl_Menu_Bar::draw();}
+  virtual void about(Fl_Callback *cb, void *data) {}
+  virtual int add(const char* label, int shortcut, Fl_Callback *cb, void *user_data, int flags) {
+    return bar->Fl_Menu_Bar::add(label, shortcut, cb, user_data, flags);
+  }
+  virtual int add(const char* str) { return bar->Fl_Menu_Bar::add(str); }
+  virtual int insert(int index, const char* label, int shortcut, Fl_Callback *cb, void *user_data, int flags) {
+    return bar->Fl_Menu_Bar::insert(index, label, shortcut, cb, user_data, flags);
+  }
+  virtual void menu(const Fl_Menu_Item *m) { bar->Fl_Menu_Bar::menu(m); }
+  virtual void shortcut(int i, int s) { bar->Fl_Menu_Bar::shortcut(i, s); }
+  virtual void setonly(Fl_Menu_Item *item) { bar->Fl_Menu_Bar::setonly(item); }
+  virtual void clear() { bar->Fl_Menu_Bar::clear(); }
+  virtual int clear_submenu(int index) { return bar->Fl_Menu_Bar::clear_submenu(index);}
+  virtual void remove(int index) { bar->Fl_Menu_Bar::remove(index); }
+  virtual void replace(int index, const char *name) { bar->Fl_Menu_Bar::replace(index, name); }
+  virtual void mode(int i, int fl) { bar->Fl_Menu_Bar::mode(i, fl); }
+  
+  static Fl_Sys_Menu_Bar_Driver *driver_; // to be assigned with a unique object of this class or of a derived class
+};
+
+
+#endif // Fl_Sys_Menu_Bar_Driver_H
+
+//
+// End of "$Id$".
+//
diff --git a/FL/mac.H b/FL/mac.H
index f4818284f..fce812ec1 100644
--- a/FL/mac.H
+++ b/FL/mac.H
@@ -3,7 +3,7 @@
 //
 // Mac header file for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 1998-2016 by Bill Spitzak and others.
+// Copyright 1998-2017 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
@@ -113,15 +113,6 @@ extern CGContextRef fl_gc;
  \sa \ref osissues_macos
  @{ */
 
-/** 
- * \brief Attaches a callback to the "About myprog" item of the system application menu.
- *
- * \param cb   a callback that will be called by "About myprog" menu item
- *		   with NULL 1st argument.
- * \param user_data   a pointer transmitted as 2nd argument to the callback.
- * \param shortcut    optional shortcut to attach to the "About myprog" menu item (e.g., FL_META+'a')
- */
-extern void fl_mac_set_about( Fl_Callback *cb, void *user_data, int shortcut = 0);
 
 /** \brief The version number of the running Mac OS X (e.g., 100604 for 10.6.4)
  */
@@ -129,7 +120,7 @@ extern int fl_mac_os_version;
 
 /** The system menu bar.
  */
-extern class Fl_Sys_Menu_Bar *fl_sys_menu_bar;
+//extern class Fl_Sys_Menu_Bar *fl_sys_menu_bar;
 
 struct Fl_Menu_Item;