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java.awt

Class MenuShortcut

Contents
  • All Implemented Interfaces:
    Serializable

    public class MenuShortcut
extends Object
implements Serializable
    The MenuShortcutclass represents a keyboard accelerator for a MenuItem.

    Menu shortcuts are created using virtual keycodes, not characters. For example, a menu shortcut for Ctrl-a (assuming that Control is the accelerator key) would be created with code like the following:

    MenuShortcut ms = new MenuShortcut(KeyEvent.VK_A, false);

    or alternatively

    MenuShortcut ms = new MenuShortcut(KeyEvent.getExtendedKeyCodeForChar('A'), false);

    Menu shortcuts may also be constructed for a wider set of keycodes using the java.awt.event.KeyEvent.getExtendedKeyCodeForChar call. For example, a menu shortcut for "Ctrl+cyrillic ef" is created by

    MenuShortcut ms = new MenuShortcut(KeyEvent.getExtendedKeyCodeForChar('?'), false);

    Note that shortcuts created with a keycode or an extended keycode defined as a constant in KeyEvent work regardless of the current keyboard layout. However, a shortcut made of an extended keycode not listed in KeyEvent only work if the current keyboard layout produces a corresponding letter.

    The accelerator key is platform-dependent and may be obtained via Toolkit.getMenuShortcutKeyMask().

    Since:
    JDK1.1
    See Also:
    Serialized Form

    • Constructor Detail

      • public MenuShortcut(int key)
        Constructs a new MenuShortcut for the specified virtual keycode.
        Parameters:
        key - the raw keycode for this MenuShortcut, as would be returned in the keyCode field of a KeyEvent if this key were pressed.
        See Also:
        KeyEvent
      • public MenuShortcut(int key,
            boolean useShiftModifier)
        Constructs a new MenuShortcut for the specified virtual keycode.
        Parameters:
        key - the raw keycode for this MenuShortcut, as would be returned in the keyCode field of a KeyEvent if this key were pressed.
        useShiftModifier - indicates whether this MenuShortcut is invoked with the SHIFT key down.
        See Also:
        KeyEvent

    • Method Detail

      • getKey

        public int getKey()
        Returns the raw keycode of this MenuShortcut.
        Returns:
        the raw keycode of this MenuShortcut.
        Since:
        JDK1.1
        See Also:
        KeyEvent

      • usesShiftModifier

        public boolean usesShiftModifier()
        Returns whether this MenuShortcut must be invoked using the SHIFT key.
        Returns:
        true if this MenuShortcut must be invoked using the SHIFT key, false otherwise.
        Since:
        JDK1.1

      • equals

        public boolean equals(MenuShortcut s)
        Returns whether this MenuShortcut is the same as another: equality is defined to mean that both MenuShortcuts use the same key and both either use or don't use the SHIFT key.
        Parameters:
        s - the MenuShortcut to compare with this.
        Returns:
        true if this MenuShortcut is the same as another, false otherwise.
        Since:
        JDK1.1

      • equals

        public boolean equals(Object obj)
        Returns whether this MenuShortcut is the same as another: equality is defined to mean that both MenuShortcuts use the same key and both either use or don't use the SHIFT key.
        Overrides:
        equals in class Object
        Parameters:
        obj - the Object to compare with this.
        Returns:
        true if this MenuShortcut is the same as another, false otherwise.
        Since:
        1.2
        See Also:
        Object.hashCode(), HashMap

      • toString

        public String toString()
        Returns an internationalized description of the MenuShortcut.
        Overrides:
        toString in class Object
        Returns:
        a string representation of this MenuShortcut.
        Since:
        JDK1.1

      • paramString

        protected String paramString()
        Returns the parameter string representing the state of this MenuShortcut. This string is useful for debugging.
        Returns:
        the parameter string of this MenuShortcut.
        Since:
        JDK1.1
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