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<title>KTextEditor.EditorChooser</title>
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KDE 4.9 PyKDE API Reference
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<h1>EditorChooser Class Reference</h1>
<code>from PyKDE4.ktexteditor import *</code>
<p>
Inherits: QWidget → QObject<br />
Namespace: <a href="../ktexteditor/KTextEditor.html">KTextEditor</a><br />
<h2>Detailed Description</h2>
<p>Editor Component Chooser.
</p>
<p>
Topics:
- chooser_intro
- chooser_gui
- chooser_editor
</p>
<p>
<b>Introduction </b>
</p>
<p>
The EditorChooser is responsible for two different tasks: It provides
- a GUI, with which the user can choose the preferred editor part
- a static accessor, with which the current selected editor part can be
obtained.
</p>
<p>
<b>The GUI Editor Chooser </b>
The EditorChooser is a simple widget with a group box containing an
information label and a combo box which lists all available KTextEditor
implementations. To give the user the possibility to choose a text editor
implementation, create an instance of this class and put it into the GUI:
<pre class="fragment">
KTextEditor.EditorChooser* ec = new KTextEditor.EditorChooser(parent);
// read the settings from the application's KConfig object
ec->readAppSetting();
// optionally connect the signal changed()
// plug the widget into a layout
layout->addWidget(ec);
</pre>
Later, for example when the user clicks the Apply-button:
<pre class="fragment">
// save the user's choice
ec->writeAppSetting();
</pre>
After this, the static accessor editor() will return the new editor part
object. Now, either the application has to be restarted, or you need code
that closes all current documents so that you can safely switch and use the
new editor part. Restarting is probably much easier.
</p>
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd> If you do not put the EditorChooser into the GUI, the default editor
component will be used. The default editor is configurable in KDE's
control center in
"KDE Components > Component Chooser > Embedded Text Editor".
</dd></dl> </p>
<p>
<b>Accessing the Editor Part </b>
The call of editor() will return the currently used editor part, either the
KDE default or the one configured with the EditorChooser's GUI
(see chooser_gui). Example:
<pre class="fragment">
KTextEditor.Editor* editor = KTextEditor.EditorChooser.editor();
</pre>
</p>
<p>
<dl class="see" compact><dt><b>See also:</b></dt><dd> KTextEditor.Editor
</dd></dl>
<dl class="author" compact><dt><b>Author:</b></dt><dd> Joseph Wenninger <jowenn@kde.org> </dd></dl>
</p>
<table border="0" cellpadding="0" cellspacing="0"><tr><td colspan="2"><br><h2>Signals</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#changed">changed</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Methods</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#EditorChooser">__init__</a> (self, QWidget parent=0)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#readAppSetting">readAppSetting</a> (self, QString postfix=QString())</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#writeAppSetting">writeAppSetting</a> (self, QString postfix=QString())</td></tr>
<tr><td colspan="2"><br><h2>Static Methods</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../ktexteditor/KTextEditor.Editor.html">KTextEditor.Editor</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#editor">editor</a> (QString postfix=QString(), bool fallBackToKatePart=1)</td></tr>
</table>
<hr><h2>Signal Documentation</h2><a class="anchor" name="changed"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> changed</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">)</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><p>This signal is emitted whenever the selected item in the combo box
changed.
</p><dl compact><dt><b>Signal syntax:</b></dt><dd><code>QObject.connect(source, SIGNAL("changed()"), target_slot)</code></dd></dl></div></div><hr><h2>Method Documentation</h2><a class="anchor" name="EditorChooser"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">__init__</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QWidget </td>
<td class="paramname"><em>parent=0</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Constructor.
</p>
<p>
Create an editor chooser widget.
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>parent</em> </td><td> the parent widget
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="readAppSetting"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> readAppSetting</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QString </td>
<td class="paramname"><em>postfix=QString()</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Read the configuration from the application's config file. The group
is handeled internally (it is called "KTEXTEDITOR:", but it is possible
to add a string to extend the group name with <b>postfix.</b>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>postfix</em> </td><td> config group postfix string
</td></tr> </table></dl>
<p> <dl class="see" compact><dt><b>See also:</b></dt><dd> writeAppSetting()
</dd></dl>
</p></div></div><a class="anchor" name="writeAppSetting"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> writeAppSetting</td>
<td>(</td>
<td class="paramtype"> <em>self</em>, </td>
<td class="paramname"></td>
</tr><tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">QString </td>
<td class="paramname"><em>postfix=QString()</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Write the configuration to the application's config file.
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>postfix</em> </td><td> config group postfix string
</td></tr> </table></dl>
<p> <dl class="see" compact><dt><b>See also:</b></dt><dd> readAppSetting()
</dd></dl>
</p></div></div><hr><h2>Static Method Documentation</h2><a class="anchor" name="editor"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"><a href="../ktexteditor/KTextEditor.Editor.html">KTextEditor.Editor</a> editor</td>
<td>(</td>
<td class="paramtype">QString </td>
<td class="paramname"><em>postfix=QString()</em>, </td>
</tr>
<tr>
<td class="memname"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>fallBackToKatePart=1</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Static accessor to get the Editor instance of the currently used
KTextEditor component.
</p>
<p>
That Editor instance can be qobject-cast to specific extensions.
If the result of the cast is not NULL, that extension is supported:
</p>
<p>
</p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>postfix</em> </td><td> config group postfix string
</td></tr> </table></dl>
<p> </p><dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign="top"><em>fallBackToKatePart</em> </td><td> if true, the returned Editor component
will be a katepart if no other implementation can be found
</td></tr> </table></dl>
<p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> Editor controller or NULL, if no editor component could be
found
</dd></dl>
</p></div></div>
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