Navigation in menubar: wrap around when using arrow past end or start of menubar.

Fix some border cases.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/Fl_Menu.cxx b/src/Fl_Menu.cxx
index 8d7e7a4c5..41f36490e 100644
--- a/src/Fl_Menu.cxx
+++ b/src/Fl_Menu.cxx
@@ -699,13 +699,14 @@ static int forward(int menu) { // go to next item in menu menu if possible
     menu = 0;
   menuwindow &m = *(pp.p[menu]);
   int item = (menu == pp.menu_number) ? pp.item_number : m.selected;
-  while (m.numitems >= 2) {
+  do {
     while (++item < m.numitems) {
       const Fl_Menu_Item* m1 = m.menu->next(item);
       if (m1->activevisible()) {setitem(m1, menu, item); return 1;}
     }
     item = -1;
   }
+  while (pp.menubar && pp.menu_number <= 0 && (!m.menu || m.menu->submenu()));
   return 0;
 }
 
@@ -716,13 +717,14 @@ static int backward(int menu) { // previous item in menu menu if possible
   menustate &pp = *p;
   menuwindow &m = *(pp.p[menu]);
   int item = (menu == pp.menu_number) ? pp.item_number : m.selected;
-  while (m.numitems >= 2) {
+  do {
     while (--item >= 0) {
       const Fl_Menu_Item* m1 = m.menu->next(item);
       if (m1->activevisible()) {setitem(m1, menu, item); return 1;}
     }
     item = m.numitems;
   }
+  while (pp.menubar && (!m.menu || m.menu->submenu()));
   return 0;
 }