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MenuShortcut (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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java.awt
Class MenuShortcut

java.lang.Object
  java.awt.MenuShortcut

All Implemented Interfaces:

Serializable

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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);

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

Since:

JDK1.1

See Also:

Serialized Form

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Constructor Summary
MenuShortcut(int key)           Constructs a new MenuShortcut for the specified virtual keycode.
MenuShortcut(int key, boolean useShiftModifier)           Constructs a new MenuShortcut for the specified virtual keycode.

 

Method Summary
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.
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.
int	getKey()           Returns the raw keycode of this MenuShortcut.
int	hashCode()           Returns the hashcode for this MenuShortcut.
protected  String	paramString()           Returns the parameter string representing the state of this MenuShortcut.
String	toString()           Returns an internationalized description of the MenuShortcut.
boolean	usesShiftModifier()           Returns whether this MenuShortcut must be invoked using the SHIFT key.

 

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Constructor Detail

MenuShortcut

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

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MenuShortcut

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

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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

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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

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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(), Hashtable

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hashCode

public int hashCode()

Returns the hashcode for this MenuShortcut.

Overrides:

hashCode in class Object

Returns:

the hashcode for this MenuShortcut.

Since:

1.2

See Also:

Object.equals(java.lang.Object), Hashtable

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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

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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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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.