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<a name="Module:Scientific.TkWidgets"><h1>Module Scientific.TkWidgets</h1></a>
<h1>Submodules:</h1>
<ul><li><a href="Scientific_34.html">Module Scientific.TkWidgets.TkPlotCanvas</a></ul>
<ul><li><a href="Scientific_35.html">Module Scientific.TkWidgets.TkVisualizationCanvas</a></ul>
<hr width=70%>
<a name="Class:Scientific.TkWidgets.FilenameEntry"><h2>Class FilenameEntry: Filename entry widget</h2></a>
<p>Constructor: FilenameEntry(<i>master</i>, <i>text</i>, <i>pattern</i>,
<i>must_exist_flag</i>=1)</p>
<p><dl>
<dt><i>master</i></dt>
<dd><p>
the master widget</p></dd>
<dt><i>text</i></dt>
<dd><p>
the label in front of the filename box</p></dd>
<dt><i>pattern</i></dt>
<dd><p>
the filename matching pattern that determines the
file list in the file selection dialog</p></dd>
<dt><i>must_exists_flag</i></dt>
<dd><p>
allow only names of existing files</p></dd>
</dl>
</p>
<p>A FilenameEntry widget consists of three parts: an identifying
label, a text entry field for the filename, and a button labelled
<tt>browse</tt> which call a file selection dialog box for picking a file
name.
</p>
<b>Methods:</b><br>
<ul>
<li> <b><i>get</i></b>()
<p>Return the current filename. If <i>must_exist_flag</i> is true,
verify that the name refers to an existing file.
Otherwise an error message is displayed and a ValueError is raised.
</p>
</ul>
<hr width=70%>
<a name="Class:Scientific.TkWidgets.FloatEntry"><h2>Class FloatEntry: An entry field for float numbers</h2></a>
<p>Constructor: FloatEntry(<i>master</i>, <i>text</i>, <i>initial</i>=None,
<i>lower</i>=None, <i>upper</i>=None)</p>
<p><dl>
<dt><i>master</i></dt>
<dd><p>
the master widget</p></dd>
<dt><i>text</i></dt>
<dd><p>
the label in front of the entry field</p></dd>
<dt><i>initial</i></dt>
<dd><p>
an optional initial value (default: blank field)</p></dd>
<dt><i>upper</i></dt>
<dd><p>
an optional upper limit for the value</p></dd>
<dt><i>lower</i></dt>
<dd><p>
an optional lower limit for the value</p></dd>
</dl>
</p>
<p>A FloatEntry widget consists of a label followed by a text entry
field.
</p>
<b>Methods:</b><br>
<ul>
<li> <b><i>set</i></b>(<i>value</i>)
<p>Set the value to <i>value</i>.</p>
<li> <b><i>get</i></b>()
<p>Return the current value, verifying that it is a number
and between the specified limits. Otherwise an error message
is displayed and a ValueError is raised.</p>
</ul>
<hr width=70%>
<a name="Class:Scientific.TkWidgets.IntEntry"><h2>Class IntEntry: An entry field for integer numbers</h2></a>
<p>Constructor: IntEntry(<i>master</i>, <i>text</i>, <i>initial</i>=None,
<i>lower</i>=None, <i>upper</i>=None)</p>
<p><dl>
<dt><i>master</i></dt>
<dd><p>
the master widget</p></dd>
<dt><i>text</i></dt>
<dd><p>
the label in front of the entry field</p></dd>
<dt><i>initial</i></dt>
<dd><p>
an optional initial value (default: blank field)</p></dd>
<dt><i>upper</i></dt>
<dd><p>
an optional upper limit for the value</p></dd>
<dt><i>lower</i></dt>
<dd><p>
an optional lower limit for the value</p></dd>
</dl>
</p>
<p>A IntEntry widget consists of a label followed by a text entry
field.
</p>
<b>Methods:</b><br>
<ul>
<li> <b><i>get</i></b>()
<p>Return the current value, verifying that it is an integer
and between the specified limits. Otherwise an error message
is displayed and a ValueError is raised.</p>
</ul>
<hr width=70%>
<a name="Class:Scientific.TkWidgets.ButtonBar"><h2>Class ButtonBar: A horizontal array of buttons</h2></a>
<p>Constructor: ButtonBar(<i>master</i>, <i>left_button_list</i>, <i>right_button_list</i>)</p>
<p><dl>
<dt><i>master</i></dt>
<dd><p>
the master widget</p></dd>
<dt><i>left_button_list</i></dt>
<dd><p>
a list of (text, action) tuples specifying the
buttons on the left-hand side of the button bar</p></dd>
<dt><i>right_button_list</i></dt>
<dd><p>
a list of (text, action) tuples specifying the
buttons on the right-hand side of the button bar
</p></dd>
</dl>
</p>
<hr width=70%>
<a name="Class:Scientific.TkWidgets.StatusBar"><h2>Class StatusBar: A status bar</h2></a>
<p>Constructor: StatusBar(<i>master</i>)</p>
<p><dl>
<dt><i>master</i></dt>
<dd><p>
the master widget</p></dd>
</dl>
</p>
<p>A status bar can be used to inform the user about the status of an
ongoing calculation. A message can be displayed with set() and
removed with clear(). In both cases, the StatusBar object makes
sure that the change takes place immediately. While a message
is being displayed, the cursor form is changed to a watch.
</p>
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