STR 1849: fixed messages sent to hidden windows

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@6030 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

CHANGES

@@ -6,6 +6,7 @@ CHANGES IN FLTK 1.1.8
 	  STR #1742, STR #1777, STR #1794, STR #1827, STR #1843,
 	  STR #1796, STR #1815, STR #1726, STR #1753, STR #1855,
 	  STR #1862, STR #1867, STR #1874)
+	- Fixed message sent to hidden widgets (STR #1849)
 	- Fixed width calculation in Fl_Help_ViewA (STR #1868)
 	- Fixed offset bug in OS X pixmap code (STR #1856)
 	- Fixed potential buffer overrun 

src/Fl_Group.cxx

@@ -260,9 +260,7 @@ int Fl_Group::handle(int event) {
 
     if (children()) {
       for (int j = i;;) {
-        if (a[j]->takesevents() || event != FL_MOUSEWHEEL) {
-          if (send(a[j], event)) return 1;
-	}
+        if (a[j]->takesevents()) if (send(a[j], event)) return 1;
         j++;
         if (j >= children()) j = 0;
         if (j == i) break;