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<div class="refentry" title="FLcloseButton">
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<h2>
<span class="refentrytitle">FLcloseButton</span>
</h2>
<p>FLcloseButton —
A FLTK widget opcode that creates a button that will close the panel
window it is a part of.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp20604480"></a>
<h2>Description</h2>
<p>
A FLTK widget opcode that creates a button that will close the panel
window it is a part of.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp20605192"></a>
<h2>Syntax</h2>
<pre class="synopsis">ihandle <span class="command"><strong>FLcloseButton</strong></span> "label", iwidth, iheight, ix, iy</pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp20640224"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ihandle</em></span> -- a handle value (an integer number) that unequivocally references a corresponding widget. This is used by other opcodes that modify a widget's properties (see <a class="link" href="ControlFltkAppearance.html" title="Modifying FLTK Widget Appearance"><em class="citetitle">Modifying FLTK Widget Appearance</em></a>). It is automatically output by <span class="emphasis"><em>FLcloseButton</em></span> and must not be set by the user label. (The user label is a double-quoted string containing some user-provided text placed near the widget.)
</p>
<p>
<span class="emphasis"><em><span class="quote">“<span class="quote">label</span>”</span></em></span> -- a double-quoted string containing some user-provided text, placed near the corresponding widget.
</p>
<p>
Notice that with <span class="emphasis"><em>FLcloseButton</em></span>, it is not necessary to call the <a class="link" href="FLsetTextType.html" title="FLsetTextType"><em class="citetitle">FLsetTextType</em></a> opcode at all in order to use a symbol. In this case, it is sufficient to set a label starting with <span class="quote">“<span class="quote">@</span>”</span> followed by the proper formatting string.
</p>
<p>
The following symbols are supported:
</p>
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<img src="images/symbols.png" alt="FLTK label supported symbols." />
<div class="caption">
<p>FLTK label supported symbols.</p>
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<p>
</p>
<p>
The @ sign may be followed by the following optional <span class="quote">“<span class="quote">formatting</span>”</span> characters, in this order:
</p>
<div class="orderedlist">
<ol class="orderedlist" type="1">
<li class="listitem">
<p><span class="quote">“<span class="quote">#</span>”</span> forces square scaling rather than distortion to the widget's shape.</p>
</li>
<li class="listitem">
<p>+[1-9] or -[1-9] tweaks the scaling a little bigger or smaller.</p>
</li>
<li class="listitem">
<p>[1-9] rotates by a multiple of 45 degrees. <span class="quote">“<span class="quote">6</span>”</span> does nothing, the others point in the direction of that key on a numeric keypad.</p>
</li>
</ol>
</div>
<p>
</p>
<p>
<span class="emphasis"><em>iwidth</em></span> -- width of widget.
</p>
<p>
<span class="emphasis"><em>iheight</em></span> -- height of widget.
</p>
<p>
<span class="emphasis"><em>ix</em></span> -- horizontal position of upper left corner of the valuator, relative to the upper left corner of corresponding window (expressed in pixels).
</p>
<p>
<span class="emphasis"><em>iy</em></span> -- vertical position of upper left corner of the valuator, relative to the upper left corner of corresponding window (expressed in pixels).
</p>
</div>
<div class="refsect1" title="See Also">
<a id="idp20650192"></a>
<h2>See Also</h2>
<p>
<a class="link" href="FLbutton.html" title="FLbutton"><em class="citetitle">FLbutton</em></a>,
<a class="link" href="FLbox.html" title="FLbox"><em class="citetitle">FLbox</em></a>,
<a class="link" href="FLbutBank.html" title="FLbutBank"><em class="citetitle">FLbutBank</em></a>,
<a class="link" href="FLprintk.html" title="FLprintk"><em class="citetitle">FLprintk</em></a>,
<a class="link" href="FLprintk2.html" title="FLprintk2"><em class="citetitle">FLprintk2</em></a>,
<a class="link" href="FLvalue.html" title="FLvalue"><em class="citetitle">FLvalue</em></a>
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp20653648"></a>
<h2>Credits</h2>
<p>Author: Steven Yi</p>
<p>New in version 5.05</p>
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