jviewport.html

API資料大全

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<TD><CODE><A HREF="../../javax/swing/JComponent.AccessibleJComponent.html">JComponent.AccessibleJComponent</A></CODE></TD>
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<TD><CODE><A HREF="../../java/awt/Component.AccessibleAWTComponent.html">Component.AccessibleAWTComponent</A></CODE></TD>
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<!-- =========== FIELD SUMMARY =========== -->

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<B>Field Summary</B></FONT></TD>
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<CODE>protected &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#backingStore">backingStore</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>As of Java 2 platform v1.3</I></TD>
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<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#BACKINGSTORE_SCROLL_MODE">BACKINGSTORE_SCROLL_MODE</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Draws viewport contents into an offscreen image.</TD>
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<CODE>protected &nbsp;<A HREF="../../java/awt/Image.html">Image</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#backingStoreImage">backingStoreImage</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The view image used for a backing store.</TD>
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<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#BLIT_SCROLL_MODE">BLIT_SCROLL_MODE</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Use <code>graphics.copyArea()</code> to implement scrolling.</TD>
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<CODE>protected &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#isViewSizeSet">isViewSizeSet</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;True when the viewport dimensions have been determined.</TD>
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<CODE>protected &nbsp;<A HREF="../../java/awt/Point.html">Point</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#lastPaintPosition">lastPaintPosition</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The last <code>viewPosition</code> that we've painted, so we know how
 much of the backing store image is valid.</TD>
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<CODE>protected &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#scrollUnderway">scrollUnderway</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <code>scrollUnderway</code> flag is used for components like
 <code>JList</code>.</TD>
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<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#SIMPLE_SCROLL_MODE">SIMPLE_SCROLL_MODE</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This mode uses the very simple method of redrawing the entire
 contents of the scrollpane each time it is scrolled.</TD>
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<TD><B>Fields inherited from class javax.swing.<A HREF="../../javax/swing/JComponent.html">JComponent</A></B></TD>
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<TD><CODE><A HREF="../../javax/swing/JComponent.html#accessibleContext">accessibleContext</A>, <A HREF="../../javax/swing/JComponent.html#listenerList">listenerList</A>, <A HREF="../../javax/swing/JComponent.html#TOOL_TIP_TEXT_KEY">TOOL_TIP_TEXT_KEY</A>, <A HREF="../../javax/swing/JComponent.html#ui">ui</A>, <A HREF="../../javax/swing/JComponent.html#UNDEFINED_CONDITION">UNDEFINED_CONDITION</A>, <A HREF="../../javax/swing/JComponent.html#WHEN_ANCESTOR_OF_FOCUSED_COMPONENT">WHEN_ANCESTOR_OF_FOCUSED_COMPONENT</A>, <A HREF="../../javax/swing/JComponent.html#WHEN_FOCUSED">WHEN_FOCUSED</A>, <A HREF="../../javax/swing/JComponent.html#WHEN_IN_FOCUSED_WINDOW">WHEN_IN_FOCUSED_WINDOW</A></CODE></TD>
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<TD><B>Fields inherited from class java.awt.<A HREF="../../java/awt/Component.html">Component</A></B></TD>
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<TD><CODE><A HREF="../../java/awt/Component.html#BOTTOM_ALIGNMENT">BOTTOM_ALIGNMENT</A>, <A HREF="../../java/awt/Component.html#CENTER_ALIGNMENT">CENTER_ALIGNMENT</A>, <A HREF="../../java/awt/Component.html#LEFT_ALIGNMENT">LEFT_ALIGNMENT</A>, <A HREF="../../java/awt/Component.html#RIGHT_ALIGNMENT">RIGHT_ALIGNMENT</A>, <A HREF="../../java/awt/Component.html#TOP_ALIGNMENT">TOP_ALIGNMENT</A></CODE></TD>
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<TD><B>Fields inherited from interface java.awt.image.<A HREF="../../java/awt/image/ImageObserver.html">ImageObserver</A></B></TD>
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<TD><CODE><A HREF="../../java/awt/image/ImageObserver.html#ABORT">ABORT</A>, <A HREF="../../java/awt/image/ImageObserver.html#ALLBITS">ALLBITS</A>, <A HREF="../../java/awt/image/ImageObserver.html#ERROR">ERROR</A>, <A HREF="../../java/awt/image/ImageObserver.html#FRAMEBITS">FRAMEBITS</A>, <A HREF="../../java/awt/image/ImageObserver.html#HEIGHT">HEIGHT</A>, <A HREF="../../java/awt/image/ImageObserver.html#PROPERTIES">PROPERTIES</A>, <A HREF="../../java/awt/image/ImageObserver.html#SOMEBITS">SOMEBITS</A>, <A HREF="../../java/awt/image/ImageObserver.html#WIDTH">WIDTH</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->

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<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#JViewport()">JViewport</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a <code>JViewport</code>.</TD>
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<B>Method Summary</B></FONT></TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/swing/JViewport.html#addChangeListener(javax.swing.event.ChangeListener)">addChangeListener</A></B>(<A HREF="../../javax/swing/event/ChangeListener.html">ChangeListener</A>&nbsp;l)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Adds a <code>ChangeListener</code> to the list that is
 notified each time the view's
 size, position, or the viewport's extent size has changed.</TD>
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