Add close buttons for individual tabs in Fl_Tabs (#628)

Add close buttons for Fl_Tabs
Introducing callback reasons
FLUID shows all FL_WHEN_... options
Adding Fl_Tabs overflow types
Improved test/tabs to show new features

1 files changed, 3 insertions, 3 deletions

diff --git a/FL/Fl_Menu_Item.H b/FL/Fl_Menu_Item.H
index 7ae1faeef..0f1083a9a 100644
--- a/FL/Fl_Menu_Item.H
+++ b/FL/Fl_Menu_Item.H
@@ -390,14 +390,14 @@ struct FL_EXPORT Fl_Menu_Item {
     The callback is called with the stored user_data() as its second argument.
     You must first check that callback() is non-zero before calling this.
   */
-  void do_callback(Fl_Widget* o) const {callback_(o, user_data_);}
+  void do_callback(Fl_Widget* o) const {Fl::callback_reason_=FL_REASON_SELECTED; callback_(o, user_data_);}
 
   /**
     Calls the Fl_Menu_Item item's callback, and provides the Fl_Widget argument.
     This call overrides the callback's second argument with the given value \p arg.
     You must first check that callback() is non-zero before calling this.
   */
-  void do_callback(Fl_Widget* o,void* arg) const {callback_(o, arg);}
+  void do_callback(Fl_Widget* o,void* arg) const {Fl::callback_reason_=FL_REASON_SELECTED; callback_(o, arg);}
 
   /**
     Calls the Fl_Menu_Item item's callback, and provides the Fl_Widget argument.
@@ -406,7 +406,7 @@ struct FL_EXPORT Fl_Menu_Item {
     the callback.
     You must first check that callback() is non-zero before calling this.
   */
-  void do_callback(Fl_Widget* o,long arg) const {callback_(o, (void*)(fl_intptr_t)arg);}
+  void do_callback(Fl_Widget* o,long arg) const {Fl::callback_reason_=FL_REASON_SELECTED; callback_(o, (void*)(fl_intptr_t)arg);}
 
   /** Back compatibility only.
     \deprecated