uTools-Manuals/docs/java/javax/swing/FocusManager.html

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     javax.swing 
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<h2 class="title" title="Class FocusManager">Class FocusManager</h2>
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<li><a href="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../java/awt/KeyboardFocusManager.html" title="class in java.awt">java.awt.KeyboardFocusManager</a></li>
<li>
<ul class="inheritance">
<li><a href="../../java/awt/DefaultKeyboardFocusManager.html" title="class in java.awt">java.awt.DefaultKeyboardFocusManager</a></li>
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<ul class="inheritance">
<li>javax.swing.FocusManager</li>
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<dt>
         All Implemented Interfaces: 
       </dt>
<dd>
<span><a href="../../java/awt/KeyEventDispatcher.html" title="java.awt中的接口">KeyEventDispatcher</a> ， <a href="../../java/awt/KeyEventPostProcessor.html" title="java.awt中的接口">KeyEventPostProcessor</a></span>
</dd>
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<dl>
<dt>
        已知直接子类：
       </dt>
<dd>
<span><a href="../../javax/swing/DefaultFocusManager.html" title="javax.swing中的类">DefaultFocusManager</a></span>
</dd>
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<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">FocusManager</span>
extends <a href="../../java/awt/DefaultKeyboardFocusManager.html" title="class in java.awt">DefaultKeyboardFocusManager</a></pre>
<div class="block">
<span>这个类已被1.4焦点API过时了。</span>
<span>虽然客户端代码仍然可以使用此类，但是强烈建议开发人员使用<code>java.awt.KeyboardFocusManager</code>和<code>java.awt.DefaultKeyboardFocusManager</code> 。</span>
<p> <span>请参阅<a href="http://docs.oracle.com/javase/tutorial/uiswing/misc/focus.html">How to Use the Focus Subsystem</a> ，在<em>Java教程</em>一节，以及<a href="../../java/awt/doc-files/FocusSpec.html">Focus Specification</a>以获取更多信息。</span> </p>
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<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../java/awt/doc-files/FocusSpec.html">Focus Specification</a>
</dd>
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<span>Fields</span>
<span class="tabEnd"> </span>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static <a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/FocusManager.html#FOCUS_MANAGER_CLASS_PROPERTY">FOCUS_MANAGER_CLASS_PROPERTY</a></span></code>
<div class="block">
              该字段已过时，因为其规范与1.4焦点API不兼容，因此不鼓励使用该字段。 
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<!-- --> </a> <h3>Fields inherited from class java.awt.<a href="../../java/awt/KeyboardFocusManager.html" title="class in java.awt">KeyboardFocusManager</a></h3> <code><a href="../../java/awt/KeyboardFocusManager.html#BACKWARD_TRAVERSAL_KEYS">BACKWARD_TRAVERSAL_KEYS</a>, <a href="../../java/awt/KeyboardFocusManager.html#DOWN_CYCLE_TRAVERSAL_KEYS">DOWN_CYCLE_TRAVERSAL_KEYS</a>, <a href="../../java/awt/KeyboardFocusManager.html#FORWARD_TRAVERSAL_KEYS">FORWARD_TRAVERSAL_KEYS</a>, <a href="../../java/awt/KeyboardFocusManager.html#UP_CYCLE_TRAVERSAL_KEYS">UP_CYCLE_TRAVERSAL_KEYS</a></code></li>
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<span>构造方法</span>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/FocusManager.html#FocusManager--">FocusManager</a></span>()</code> </td>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t1"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t6"><span><a href="javascript:show(32);">弃用的方法</a></span><span class="tabEnd"> </span></span>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/FocusManager.html#disableSwingFocusManager--">disableSwingFocusManager</a></span>()</code>
<div class="block">
<span><span class="deprecatedLabel">已弃用</span></span>
<div class="block">
<span><span class="deprecationComment">截至1.4，由<code>KeyboardFocusManager.setDefaultFocusTraversalPolicy(FocusTraversalPolicy)</code></span></span>
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<td class="colFirst"><code>static <a href="../../javax/swing/FocusManager.html" title="class in javax.swing">FocusManager</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/FocusManager.html#getCurrentManager--">getCurrentManager</a></span>()</code>
<div class="block">
              返回当前调用线程上下文的 
             <code>KeyboardFocusManager</code>实例。 
            </div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/FocusManager.html#isFocusManagerEnabled--">isFocusManagerEnabled</a></span>()</code>
<div class="block">
<span><span class="deprecatedLabel">已弃用</span></span>
<div class="block">
<span><span class="deprecationComment">截至1.4，由<code>KeyboardFocusManager.getDefaultFocusTraversalPolicy()</code></span></span>
</div>
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<tr class="rowColor" id="i3">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/FocusManager.html#setCurrentManager-javax.swing.FocusManager-">setCurrentManager</a></span>(<a href="../../javax/swing/FocusManager.html" title="class in javax.swing">FocusManager</a> aFocusManager)</code>
<div class="block">
              为调用线程的上下文设置当前的 
             <code>KeyboardFocusManager</code>实例。 
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<!-- --> </a> <h3>Methods inherited from class java.awt.<a href="../../java/awt/DefaultKeyboardFocusManager.html" title="class in java.awt">DefaultKeyboardFocusManager</a></h3> <code><a href="../../java/awt/DefaultKeyboardFocusManager.html#dequeueKeyEvents-long-java.awt.Component-">dequeueKeyEvents</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#discardKeyEvents-java.awt.Component-">discardKeyEvents</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#dispatchEvent-java.awt.AWTEvent-">dispatchEvent</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#dispatchKeyEvent-java.awt.event.KeyEvent-">dispatchKeyEvent</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#downFocusCycle-java.awt.Container-">downFocusCycle</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#enqueueKeyEvents-long-java.awt.Component-">enqueueKeyEvents</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#focusNextComponent-java.awt.Component-">focusNextComponent</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#focusPreviousComponent-java.awt.Component-">focusPreviousComponent</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#postProcessKeyEvent-java.awt.event.KeyEvent-">postProcessKeyEvent</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#processKeyEvent-java.awt.Component-java.awt.event.KeyEvent-">processKeyEvent</a>, <a href="../../java/awt/DefaultKeyboardFocusManager.html#upFocusCycle-java.awt.Component-">upFocusCycle</a></code></li>
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href="../../java/awt/KeyboardFocusManager.html#getActiveWindow--">getActiveWindow</a>, <a href="../../java/awt/KeyboardFocusManager.html#getCurrentFocusCycleRoot--">getCurrentFocusCycleRoot</a>, <a href="../../java/awt/KeyboardFocusManager.html#getCurrentKeyboardFocusManager--">getCurrentKeyboardFocusManager</a>, <a href="../../java/awt/KeyboardFocusManager.html#getDefaultFocusTraversalKeys-int-">getDefaultFocusTraversalKeys</a>, <a href="../../java/awt/KeyboardFocusManager.html#getDefaultFocusTraversalPolicy--">getDefaultFocusTraversalPolicy</a>, <a href="../../java/awt/KeyboardFocusManager.html#getFocusedWindow--">getFocusedWindow</a>, <a href="../../java/awt/KeyboardFocusManager.html#getFocusOwner--">getFocusOwner</a>, <a href="../../java/awt/KeyboardFocusManager.html#getGlobalActiveWindow--">getGlobalActiveWindow</a>, <a href="../../java/awt/KeyboardFocusManager.html#getGlobalCurrentFocusCycleRoot--">getGlobalCurrentFocusCycleRoot</a>, <a href="../../java/awt/KeyboardFocusManager.html#getGlobalFocusedWindow--">getGlobalFocusedWindow</a>, <a href="../../java/awt/KeyboardFocusManager.html#getGlobalFocusOwner--">getGlobalFocusOwner</a>, <a href="../../java/awt/KeyboardFocusManager.html#getGlobalPermanentFocusOwner--">getGlobalPermanentFocusOwner</a>, <a href="../../java/awt/KeyboardFocusManager.html#getKeyEventDispatchers--">getKeyEventDispatchers</a>, <a href="../../java/awt/KeyboardFocusManager.html#getKeyEventPostProcessors--">getKeyEventPostProcessors</a>, <a href="../../java/awt/KeyboardFocusManager.html#getPermanentFocusOwner--">getPermanentFocusOwner</a>, <a href="../../java/awt/KeyboardFocusManager.html#getPropertyChangeListeners--">getPropertyChangeListeners</a>, <a href="../../java/awt/KeyboardFocusManager.html#getPropertyChangeListeners-java.lang.String-">getPropertyChangeListeners</a>, <a href="../../java/awt/KeyboardFocusManager.html#getVetoableChangeListeners--">getVetoableChangeListeners</a>, <a href="../../java/awt/KeyboardFocusManager.html#getVetoableChangeListeners-java.lang.String-">getVetoableChangeListeners</a>, <a href="../../java/awt/KeyboardFocusManager.html#redispatchEvent-java.awt.Component-java.awt.AWTEvent-">redispatchEvent</a>, <a href="../../java/awt/KeyboardFocusManager.html#removeKeyEventDispatcher-java.awt.KeyEventDispatcher-">removeKeyEventDispatcher</a>, <a href="../../java/awt/KeyboardFocusManager.html#removeKeyEventPostProcessor-java.awt.KeyEventPostProcessor-">removeKeyEventPostProcessor</a>, <a href="../../java/awt/KeyboardFocusManager.html#removePropertyChangeListener-java.beans.PropertyChangeListener-">removePropertyChangeListener</a>, <a href="../../java/awt/KeyboardFocusManager.html#removePropertyChangeListener-java.lang.String-java.beans.PropertyChangeListener-">removePropertyChangeListener</a>, <a href="../../java/awt/KeyboardFocusManager.html#removeVetoableChangeListener-java.lang.String-java.beans.VetoableChangeListener-">removeVetoableChangeListener</a>, <a href="../../java/awt/KeyboardFocusManager.html#removeVetoableChangeListener-java.beans.VetoableChangeListener-">removeVetoableChangeListener</a>, <a href="../../java/awt/KeyboardFocusManager.html#setCurrentKeyboardFocusManager-java.awt.KeyboardFocusManager-">setCurrentKeyboardFocusManager</a>, <a href="../../java/awt/KeyboardFocusManager.html#setDefaultFocusTraversalKeys-int-java.util.Set-">setDefaultFocusTraversalKeys</a>, <a href="../../java/awt/KeyboardFocusManager.html#setDefaultFocusTraversalPolicy-java.awt.FocusTraversalPolicy-">setDefaultFocusTraversalPolicy</a>, <a href="../../java/awt/KeyboardFocusManager.html#setGlobalActiveWindow-java.awt.Window-">setGlobalActiveWindow</a>, <a href="../../java/awt/KeyboardFocusManager.html#setGlobalCurrentFocusCycleRoot-java.awt.Container-">setGlobalCurrentFocusCycleRoot</a>, <a href="../../java/awt/KeyboardFocusManager.html#setGlobalFocusedWindow-java.awt.Window-">setGlobalFocusedWindow</a>, <a href="../../java/awt/KeyboardFocusManager.html#setGlobalFocusOwner-java.awt.Component-">setGlobalFocusOwner</a>, <a href="../../java/awt/KeyboardFocusManager.html#setGlobalPermanentFocusOwner-java.awt.Component-">setGlobalPermanentFocusOwner</a>, <a href="../../java/awt/KeyboardFocusManager.html#upFocusCycle--">upFocusCycle</a></code></li>
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<li class="blockList"> <h4>FOCUS_MANAGER_CLASS_PROPERTY</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> FOCUS_MANAGER_CLASS_PROPERTY</pre>
<div class="block">
<span>该字段已过时，因为其规范与1.4焦点API不兼容，因此不鼓励使用该字段。</span>
<span>当前的FocusManager不再是UI的属性。</span>
<span>客户端代码必须使用<code>KeyboardFocusManager.getCurrentKeyboardFocusManager()</code>查询当前的<code>KeyboardFocusManager.getCurrentKeyboardFocusManager()</code> 。</span>
<span>有关详细信息，请参阅焦点规格。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../java/awt/KeyboardFocusManager.html#getCurrentKeyboardFocusManager--"><code>KeyboardFocusManager.getCurrentKeyboardFocusManager()</code></a> ， 
            <a href="../../java/awt/doc-files/FocusSpec.html">Focus Specification</a> ， 
            <a href="../../constant-values.html#javax.swing.FocusManager.FOCUS_MANAGER_CLASS_PROPERTY">Constant Field Values</a>
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<li class="blockList"> <h4>FocusManager</h4> <pre>public FocusManager()</pre> </li>
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<li class="blockList"> <h4>getCurrentManager</h4> <pre>public static <a href="../../javax/swing/FocusManager.html" title="class in javax.swing">FocusManager</a> getCurrentManager()</pre>
<div class="block">
            返回调用线程上下文的当前 
           <code>KeyboardFocusManager</code>实例。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             这个线程的上下文的 
            <code>KeyboardFocusManager</code>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/FocusManager.html#setCurrentManager-javax.swing.FocusManager-"><code>setCurrentManager(javax.swing.FocusManager)</code></a>
</dd>
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<li class="blockList"> <h4>setCurrentManager</h4> <pre>public static void setCurrentManager(<a href="../../javax/swing/FocusManager.html" title="class in javax.swing">FocusManager</a> aFocusManager)
                              throws <a href="../../java/lang/SecurityException.html" title="class in java.lang">SecurityException</a></pre>
<div class="block">
<span>为调用线程的上下文设置当前的<code>KeyboardFocusManager</code>实例。</span>
<span>如果<code>null</code> null，则当前的<code>KeyboardFocusManager</code>被替换为新的实例<code>DefaultKeyboardFocusManager</code> 。</span>
<p> <span>如果安装了一个<code>SecurityManager</code> ，则调用线程必须被授予<code>AWTPermission</code> “replaceKeyboardFocusManager”，以替换当前的<code>KeyboardFocusManager</code> 。</span> <span>如果没有这个权限，这个方法会抛出一个<code>SecurityException</code> ，而当前的<code>KeyboardFocusManager</code>将不会改变。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>aFocusManager</code> - 这个线程的上下文的新的 
            <code>KeyboardFocusManager</code>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/SecurityException.html" title="class in java.lang">SecurityException</a></code> - 如果调用线程没有权限替换当前的 
            <code>KeyboardFocusManager</code>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/FocusManager.html#getCurrentManager--"><code>getCurrentManager()</code></a> ， <a href="../../java/awt/DefaultKeyboardFocusManager.html" title="java.awt中的类"><code>DefaultKeyboardFocusManager</code></a></span>
</dd>
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<li class="blockList"> <h4>disableSwingFocusManager</h4> <pre><a href="../../java/lang/Deprecated.html" title="annotation in java.lang">@Deprecated</a>
public static void disableSwingFocusManager()</pre>
<div class="block">
<span><span class="deprecatedLabel">已弃用</span></span>
<span><span class="deprecationComment">截至1.4，由<code>KeyboardFocusManager.setDefaultFocusTraversalPolicy(FocusTraversalPolicy)</code>取代</span></span>
</div>
<div class="block">
            将当前 
           <code>KeyboardFocusManager</code>的默认值 
           <code>FocusTraversalPolicy</code>为 
           <code>DefaultFocusTraversalPolicy</code> 。 
          </div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../java/awt/DefaultFocusTraversalPolicy.html" title="java.awt中的类"><code>DefaultFocusTraversalPolicy</code></a> ， <a href="../../java/awt/KeyboardFocusManager.html#setDefaultFocusTraversalPolicy-java.awt.FocusTraversalPolicy-"><code>KeyboardFocusManager.setDefaultFocusTraversalPolicy(java.awt.FocusTraversalPolicy)</code></a></span>
</dd>
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<li class="blockList"> <h4>isFocusManagerEnabled</h4> <pre><a href="../../java/lang/Deprecated.html" title="annotation in java.lang">@Deprecated</a>
public static boolean isFocusManagerEnabled()</pre>
<div class="block">
<span><span class="deprecatedLabel">已弃用</span></span>
<span><span class="deprecationComment">截至1.4，由<code>KeyboardFocusManager.getDefaultFocusTraversalPolicy()</code></span></span>
</div>
<div class="block">
            返回应用程序是否调用了 
           <code>disableSwingFocusManager()</code> 。 
          </div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/FocusManager.html#disableSwingFocusManager--"><code>disableSwingFocusManager()</code></a>
</dd>
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