qtcanvas.html

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 of the QTCanvas.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - the minimum width<DD><CODE>height</CODE> - the minimum height</DL>
</DD>
</DL>
<HR>

<A NAME="isFocusTraversable()"><!-- --></A><H3>
isFocusTraversable</H3>
<PRE>
public boolean <B>isFocusTraversable</B>()</PRE>
<DL>
<DD>We override this method so that QTCanvas can gain the focus immediately<DD><DL>
<DT><B>Overrides:</B><DD><CODE>isFocusTraversable</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true, this component is focus-traversable</DL>
</DD>
</DL>
<HR>

<A NAME="setMaximumSize(java.awt.Dimension)"><!-- --></A><H3>
setMaximumSize</H3>
<PRE>
public void <B>setMaximumSize</B>(java.awt.Dimension&nbsp;maxSize)</PRE>
<DL>
<DD>Set the minimum size of the QTCanvas. If the QTCanvas is currently larger
 than the maximum size passed in, it will be adjusted to meet the new maximum
 size requirements, in accordance with the setting of the resizeFlag.
 If null is passed in, maximum size will be the size of the screen<DD><DL>
<DT><B>Parameters:</B><DD><CODE>maxSize</CODE> - a Dimension object</DL>
</DD>
</DL>
<HR>

<A NAME="setMaximumSize(int, int)"><!-- --></A><H3>
setMaximumSize</H3>
<PRE>
public void <B>setMaximumSize</B>(int&nbsp;width,
                           int&nbsp;height)</PRE>
<DL>
<DD>Set the maximum size of the canvas.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - the minimum width<DD><CODE>height</CODE> - the minimum height</DL>
</DD>
</DL>
<HR>

<A NAME="getMaximumSize()"><!-- --></A><H3>
getMaximumSize</H3>
<PRE>
public java.awt.Dimension <B>getMaximumSize</B>()</PRE>
<DL>
<DD>Returns the maximum acceptable size of this QTCanvas object.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>getMaximumSize</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a Dimension object which defines the maximum size</DL>
</DD>
</DL>
<HR>

<A NAME="setSize(java.awt.Dimension)"><!-- --></A><H3>
setSize</H3>
<PRE>
public void <B>setSize</B>(java.awt.Dimension&nbsp;dim)</PRE>
<DL>
<DD>Resizes the QTCanvas object to the specified parameters.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>setSize</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dim</CODE> - a Dimension object with the new width and height</DL>
</DD>
</DL>
<HR>

<A NAME="setSize(int, int)"><!-- --></A><H3>
setSize</H3>
<PRE>
public void <B>setSize</B>(int&nbsp;width,
                    int&nbsp;height)</PRE>
<DL>
<DD>Resizes the QTCanvas object, as well as the associated Drawable object.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>setSize</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>width</CODE> - the width, in pixels, to make this component<DD><CODE>height</CODE> - the height, in pixels, to make this component</DL>
</DD>
</DL>
<HR>

<A NAME="reshape(int, int, int, int)"><!-- --></A><H3>
reshape</H3>
<PRE>
public final void <B>reshape</B>(int&nbsp;x,
                          int&nbsp;y,
                          int&nbsp;width,
                          int&nbsp;height)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of JDK version 1.1,
 replaced by <code>setBounds(int, int, int, int)</code>.</I>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>reshape</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="setBounds(int, int, int, int)"><!-- --></A><H3>
setBounds</H3>
<PRE>
public final void <B>setBounds</B>(int&nbsp;x,
                            int&nbsp;y,
                            int&nbsp;width,
                            int&nbsp;height)</PRE>
<DL>
<DD>Resizes and/or moves the QTCanvas object as well as the associated Drawable
 object to the parameters specified.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>setBounds</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x coordinate, in pixels, relative to the parent of this
               component<DD><CODE>y</CODE> - the y coordinate, in pixels, relative to the parent of this
               component<DD><CODE>width</CODE> - the width, in pixels, to make this component<DD><CODE>height</CODE> - the height, in pixels, to make this component</DL>
</DD>
</DL>
<HR>

<A NAME="paint(java.awt.Graphics)"><!-- --></A><H3>
paint</H3>
<PRE>
public void <B>paint</B>(java.awt.Graphics&nbsp;g)</PRE>
<DL>
<DD>Override the standard paint method.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>paint</CODE> in class <CODE>java.awt.Canvas</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="update(java.awt.Graphics)"><!-- --></A><H3>
update</H3>
<PRE>
public void <B>update</B>(java.awt.Graphics&nbsp;g)</PRE>
<DL>
<DD>We override the update method to call our paint method as the background colour repaint is
 not valid for a QTCanvas object. However, subclasses can override the update method to
 do whatever is appropriate for their particular situation.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>update</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="setVisible(boolean)"><!-- --></A><H3>
setVisible</H3>
<PRE>
public void <B>setVisible</B>(boolean&nbsp;b)</PRE>
<DL>
<DD>Sets the visible state of the Canvas.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>setVisible</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b</CODE> - if true canvas is visible, if false then its not</DL>
</DD>
</DL>
<HR>

<A NAME="addQTClientListener(java.awt.event.ComponentListener)"><!-- --></A><H3>
addQTClientListener</H3>
<PRE>
public void <B>addQTClientListener</B>(java.awt.event.ComponentListener&nbsp;e)</PRE>
<DL>
<DD>A ComponentListener and ComponentEvent are used to listen to these types
 of events that occur to the QTCanvas' client - ie. when the QTCanvas' client
 is resized, moved, shown or hidden. These events generally occur in conjunction
 with the Component events they mirror - with some exceptions:<UL>
 <LI>ComponentShown and ComponentHidden are generated when the QTCanvas is shown
 or hidden and when the QTDrawable client is set or removed.
 <LI>ComonentMoved and ComponentResized are generated when the QTCanvas is 
 moved or resized but the event is actually generated when the QTCanvas is repainted
 as this is when the QTDrawable client is itself resized or moved.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>e</CODE> - the ComponentListener</DL>
</DD>
</DL>
<HR>

<A NAME="removeQTClientListener(java.awt.event.ComponentListener)"><!-- --></A><H3>
removeQTClientListener</H3>
<PRE>
public void <B>removeQTClientListener</B>(java.awt.event.ComponentListener&nbsp;e)</PRE>
<DL>
<DD>Remove a previously registered ComponentListener that is listening
 to events that occur with the QTCanvas' QTDrawable client.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>e</CODE> - the ComponentListener<DT><B>See Also: </B><DD><CODE>addQTClientListener</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="addNotify()"><!-- --></A><H3>
addNotify</H3>
<PRE>
public void <B>addNotify</B>()</PRE>
<DL>
<DD>We use this method to notify an existing client that its NativeGraphics
 environment may have changed and it should recheck its status<DD><DL>
<DT><B>Overrides:</B><DD><CODE>addNotify</CODE> in class <CODE>java.awt.Canvas</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="removeNotify()"><!-- --></A><H3>
removeNotify</H3>
<PRE>
public void <B>removeNotify</B>()</PRE>
<DL>
<DD>Overridden to notify the client associated with this QTCanvas that it no
 longer has a grafport to draw to and should stop all graphics operations.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>removeNotify</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Print information about this object.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.awt.Component</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a string representing this QTCanvas object</DL>
</DD>
</DL>
<HR>

<A NAME="finalize()"><!-- --></A><H3>
finalize</H3>
<PRE>
protected void <B>finalize</B>()
                 throws java.lang.Throwable</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>finalize</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
</DL>
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