component.html.svn-base

j2me设计的界面包

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<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.sun.lwuit.Component.RIGHT">Constant Field Values</A></DL>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TH>
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<A NAME="Component()"><!-- --></A><H3>
Component</H3>
<PRE>
protected <B>Component</B>()</PRE>
<DL>
<DD>Creates a new instance of Component
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<!-- ============ METHOD DETAIL ========== -->

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<B>Method Detail</B></FONT></TH>
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<A NAME="getX()"><!-- --></A><H3>
getX</H3>
<PRE>
public int <B>getX</B>()</PRE>
<DL>
<DD>Returns the current component x location relatively to its parent container
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<DT><B>Returns:</B><DD>the current x coordinate of the components origin</DL>
</DD>
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<A NAME="getY()"><!-- --></A><H3>
getY</H3>
<PRE>
public int <B>getY</B>()</PRE>
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<DD>Returns the component y location relatively to its parent container
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<DT><B>Returns:</B><DD>the current y coordinate of the components origin</DL>
</DD>
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<A NAME="isVisible()"><!-- --></A><H3>
isVisible</H3>
<PRE>
public boolean <B>isVisible</B>()</PRE>
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<DD>Returns whether the component is visible or not
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</DD>
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<DT><B>Returns:</B><DD>true if component is visible; otherwise false</DL>
</DD>
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<A NAME="getWidth()"><!-- --></A><H3>
getWidth</H3>
<PRE>
public int <B>getWidth</B>()</PRE>
<DL>
<DD>Returns the component width
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</DD>
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<DT><B>Returns:</B><DD>the component width</DL>
</DD>
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<A NAME="getHeight()"><!-- --></A><H3>
getHeight</H3>
<PRE>
public int <B>getHeight</B>()</PRE>
<DL>
<DD>Returns the component height
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</DD>
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<DT><B>Returns:</B><DD>the component height</DL>
</DD>
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<A NAME="setX(int)"><!-- --></A><H3>
setX</H3>
<PRE>
public void <B>setX</B>(int&nbsp;x)</PRE>
<DL>
<DD>Sets the Component x location relative to the parent container, this method
 is exposed for the purpose of external layout managers and should not be invoked
 directly.
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<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the current x coordinate of the components origin</DL>
</DD>
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<A NAME="setY(int)"><!-- --></A><H3>
setY</H3>
<PRE>
public void <B>setY</B>(int&nbsp;y)</PRE>
<DL>
<DD>Sets the Component y location relative to the parent container, this method
 is exposed for the purpose of external layout managers and should not be invoked
 directly.
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<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>y</CODE> - the current y coordinate of the components origin</DL>
</DD>
</DL>
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<A NAME="getBaseline(int, int)"><!-- --></A><H3>
getBaseline</H3>
<PRE>
public int <B>getBaseline</B>(int&nbsp;width,
                       int&nbsp;height)</PRE>
<DL>
<DD>The baseline for the component text according to which it should be aligned
 with other components for best visual look.
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<DD><DL>
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</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - the component width<DD><CODE>height</CODE> - the component height
<DT><B>Returns:</B><DD>baseline value from the top of the component</DL>
</DD>
</DL>
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<A NAME="getBaselineResizeBehavior()"><!-- --></A><H3>
getBaselineResizeBehavior</H3>
<PRE>
public int <B>getBaselineResizeBehavior</B>()</PRE>
<DL>
<DD>Returns a constant indicating how the baseline varies with the size
 of the component.
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</DD>
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<DT><B>Returns:</B><DD>one of BRB_CONSTANT_ASCENT, BRB_CONSTANT_DESCENT,
         BRB_CENTER_OFFSET or BRB_OTHER</DL>
</DD>
</DL>
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<A NAME="setPreferredSize(com.sun.lwuit.geom.Dimension)"><!-- --></A><H3>
setPreferredSize</H3>
<PRE>
public void <B>setPreferredSize</B>(<A HREF="../../../com/sun/lwuit/geom/Dimension.html" title="class in com.sun.lwuit.geom">Dimension</A>&nbsp;d)</PRE>
<DL>
<DD>Sets the Component Preferred Size, there is no garuntee the Component will 
 be sized at its Preferred Size. The final size of the component may be
 smaller than its preferred size or even larger than the size.<br>
 The Layout manager can take this value into consideration, but there is
 no guarantee or requirement.
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<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>d</CODE> - the component dimension</DL>
</DD>
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<A NAME="getPreferredSize()"><!-- --></A><H3>
getPreferredSize</H3>
<PRE>
public <A HREF="../../../com/sun/lwuit/geom/Dimension.html" title="class in com.sun.lwuit.geom">Dimension</A> <B>getPreferredSize</B>()</PRE>
<DL>
<DD>Returns the Component Preferred Size, there is no garuntee the Component will 
 be sized at its Preferred Size. The final size of the component may be
 smaller than its preferred size or even larger than the size.<br>
 The Layout manager can take this value into consideration, but there is
 no guarantee or requirement.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the component preferred size</DL>
</DD>
</DL>
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<A NAME="setPreferredW(int)"><!-- --></A><H3>
setPreferredW</H3>
<PRE>
public void <B>setPreferredW</B>(int&nbsp;preferredW)</PRE>
<DL>
<DD>Helper method to set the preferred width of the component.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>preferredW</CODE> - the preferred width of the component<DT><B>See Also:</B><DD><A HREF="../../../com/sun/lwuit/Component.html#setPreferredSize(com.sun.lwuit.geom.Dimension)"><CODE>setPreferredSize(com.sun.lwuit.geom.Dimension)</CODE></A></DL>
</DD>
</DL>
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<A NAME="setPreferredH(int)"><!-- --></A><H3>
setPreferredH</H3>
<PRE>
public void <B>setPreferredH</B>(int&nbsp;preferredH)</PRE>
<DL>
<DD>Helper method to set the preferred height of the component.
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<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>preferredH</CODE> - the preferred height of the component<DT><B>See Also:</B><DD><A HREF="../../../com/sun/lwuit/Component.html#setPreferredSize(com.sun.lwuit.geom.Dimension)"><CODE>setPreferredSize(com.sun.lwuit.geom.Dimension)</CODE></A></DL>
</DD>
</DL>
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<A NAME="getPreferredW()"><!-- --></A><H3>
getPreferredW</H3>
<PRE>
public int <B>getPreferredW</B>()</PRE>
<DL>
<DD>Helper method to retrieve the preferred width of the component.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>preferred width of the component<DT><B>See Also:</B><DD><A HREF="../../../com/sun/lwuit/Component.html#getPreferredSize()"><CODE>getPreferredSize()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getPreferredH()"><!-- --></A><H3>
getPreferredH</H3>
<PRE>
public int <B>getPreferredH</B>()</PRE>
<DL>
<DD>Helper method to retrieve the preferred height of the compo