* Prevents crash mentioned in Trac, but also enables keyboard navigation
to 'recent items' menus such as "Open files..." in MediaPlayer and DiskProbe
* Check selected menu and submenu exist in menu tracking thread before accessing
* Update BMenu::AttachedToWindow to pass in keydown param to _AddDynamicItems
Fixes#9251
Change-Id: I3031b8e9c1b9dd4ef1187c5a6b8ab7925e3496d2
Added recent folder limit as class member but
defaulted the value to 10.
Stopped using index to keep track of selected
path and folder menu item. Instead use BMessage to send
clicked folder path to the folder bg image loader.
Change-Id: I6b1809ff782db839ef43eb7169a7f6e77fb4ec70
Fixes#5026
David Murphy