java - Spacebar shortcut for JMenuItem -

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i'm working on menu-driven java swing application. has 4 5 menus have 4 or more menu items. defined shortcuts menu item using jmenubar#setkeyaccelerator(keystroke key). when define spacebar shortcut , press space, fires event first jmenuitem or selected menu item. here code snippet:

jmenuitem item = new jmenuitem("do something"); item.setkeyaccelerator(keystroke.getkeystroke(keyevent.vk_space, 0));

how add spacebar menuitem works fine.

i spot problem, added toolbar having button , button automatically focused, that's why when press space, press button on jtoolbar


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