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<H2><A NAME="SECTION0022430000000000000000"><!--x--></A>
<A NAME="forms-objects"><!--z--></A>
<BR>
20.4.3 FORMS Objects
</H2>
<P>
Besides methods specific to particular kinds of FORMS objects, all
FORMS objects also have the following methods:
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-4877' class="method">set_call_back</tt></b>(</nobr></td>
<td><var>function, argument</var>)</td></tr></table></dt>
<dd>
Set the object's callback function and argument. When the object
needs interaction, the callback function will be called with two
arguments: the object, and the callback argument. (FORMS objects
without a callback function are returned by <tt class="function">fl.do_forms()</tt>
or <tt class="function">fl.check_forms()</tt> when they need interaction.) Call this
method without arguments to remove the callback function.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-4878' class="method">delete_object</tt></b>(</nobr></td>
<td>)</td></tr></table></dt>
<dd>
Delete the object.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-4879' class="method">show_object</tt></b>(</nobr></td>
<td>)</td></tr></table></dt>
<dd>
Show the object.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-4880' class="method">hide_object</tt></b>(</nobr></td>
<td>)</td></tr></table></dt>
<dd>
Hide the object.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-4881' class="method">redraw_object</tt></b>(</nobr></td>
<td>)</td></tr></table></dt>
<dd>
Redraw the object.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-4882' class="method">freeze_object</tt></b>(</nobr></td>
<td>)</td></tr></table></dt>
<dd>
Freeze the object.
</dl>
<P>
<dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">
<td><nobr><b><tt id='l2h-4883' class="method">unfreeze_object</tt></b>(</nobr></td>
<td>)</td></tr></table></dt>
<dd>
Unfreeze the object.
</dl>
<P>
FORMS objects have these data attributes; see the FORMS documentation:
<P>
<table border align="center" style="border-collapse: collapse">
<thead>
<tr class="tableheader">
<th align="left"><b>Name</b> </th>
<th align="left"><b>C Type</b> </th>
<th align="left"><b>Meaning</b> </th>
</tr>
</thead>
<tbody valign="baseline">
<tr><td align="left" valign="baseline"><tt class="member">objclass</tt></td>
<td align="left">int (read-only)</td>
<td align="left">object class</td>
<tr><td align="left" valign="baseline"><tt class="member">type</tt></td>
<td align="left">int (read-only)</td>
<td align="left">object type</td>
<tr><td align="left" valign="baseline"><tt class="member">boxtype</tt></td>
<td align="left">int</td>
<td align="left">box type</td>
<tr><td align="left" valign="baseline"><tt class="member">x</tt></td>
<td align="left">float</td>
<td align="left">x origin</td>
<tr><td align="left" valign="baseline"><tt class="member">y</tt></td>
<td align="left">float</td>
<td align="left">y origin</td>
<tr><td align="left" valign="baseline"><tt class="member">w</tt></td>
<td align="left">float</td>
<td align="left">width</td>
<tr><td align="left" valign="baseline"><tt class="member">h</tt></td>
<td align="left">float</td>
<td align="left">height</td>
<tr><td align="left" valign="baseline"><tt class="member">col1</tt></td>
<td align="left">int</td>
<td align="left">primary color</td>
<tr><td align="left" valign="baseline"><tt class="member">col2</tt></td>
<td align="left">int</td>
<td align="left">secondary color</td>
<tr><td align="left" valign="baseline"><tt class="member">align</tt></td>
<td align="left">int</td>
<td align="left">alignment</td>
<tr><td align="left" valign="baseline"><tt class="member">lcol</tt></td>
<td align="left">int</td>
<td align="left">label color</td>
<tr><td align="left" valign="baseline"><tt class="member">lsize</tt></td>
<td align="left">float</td>
<td align="left">label font size</td>
<tr><td align="left" valign="baseline"><tt class="member">label</tt></td>
<td align="left">string</td>
<td align="left">label string</td>
<tr><td align="left" valign="baseline"><tt class="member">lstyle</tt></td>
<td align="left">int</td>
<td align="left">label style</td>
<tr><td align="left" valign="baseline"><tt class="member">pushed</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td>
<tr><td align="left" valign="baseline"><tt class="member">focus</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td>
<tr><td align="left" valign="baseline"><tt class="member">belowmouse</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td>
<tr><td align="left" valign="baseline"><tt class="member">frozen</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td>
<tr><td align="left" valign="baseline"><tt class="member">active</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td>
<tr><td align="left" valign="baseline"><tt class="member">input</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td>
<tr><td align="left" valign="baseline"><tt class="member">visible</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td>
<tr><td align="left" valign="baseline"><tt class="member">radio</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td>
<tr><td align="left" valign="baseline"><tt class="member">automatic</tt></td>
<td align="left">int (read-only)</td>
<td align="left">(see FORMS docs)</td></tbody>
</table>
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<span class="release-info">Release 2.3.4, documentation updated on May 20, 2004.</span>
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