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<title>KPreviewWidgetBase</title>
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KDE 4.9 PyKDE API Reference
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<h1>KPreviewWidgetBase Class Reference</h1>
<code>from PyKDE4.kio import *</code>
<p>
Inherits: QWidget → QObject<br />
Subclasses: <a href="../kio/KImageFilePreview.html">KImageFilePreview</a><br />
<h2>Detailed Description</h2>
<p>Abstract baseclass for all preview widgets which shall be used via
KFileDialog.setPreviewWidget(const KPreviewWidgetBase *).
Ownership will be transferred to KFileDialog, so you have to create
the preview with "new" and let KFileDialog delete it.
</p>
<p>
Just derive your custom preview widget from KPreviewWidgetBase and implement
all the pure virtual methods. The slot showPreview(const KUrl &) is called
every time the file selection changes.
</p>
<p>
Abstract baseclass for all preview widgets.
<dl class="author" compact><dt><b>Author:</b></dt><dd> Frerich Raabe <raabe@kde.org> </dd></dl>
</p>
<table border="0" cellpadding="0" cellspacing="0"><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="#KPreviewWidgetBase">__init__</a> (self, QWidget parent)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#KPreviewWidgetBase">__init__</a> (self, <a href="../kio/KPreviewWidgetBase.html">KPreviewWidgetBase</a> a0)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#clearPreview">clearPreview</a> (self)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#setSupportedMimeTypes">setSupportedMimeTypes</a> (self, QStringList mimeTypes)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#showPreview">showPreview</a> (self, <a href="../kdecore/KUrl.html">KUrl</a> url)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">QStringList </td><td class="memItemRight" valign="bottom"><a class="el" href="#supportedMimeTypes">supportedMimeTypes</a> (self)</td></tr>
</table>
<hr><h2>Method Documentation</h2><a class="anchor" name="KPreviewWidgetBase"></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</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><p>Constructor. Construct the user interface of your preview widget here
and pass the KFileDialog this preview widget is going to be used in as
the parent.
</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>parent</em> </td><td> The KFileDialog this preview widget is going to be used in
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="KPreviewWidgetBase"></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"><a href="../kio/KPreviewWidgetBase.html">KPreviewWidgetBase</a> </td>
<td class="paramname"><em>a0</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="clearPreview"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> clearPreview</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
</div>
<div class="memdoc"><dl compact><dt><b>Abstract method:</b></dt><dd>This method is abstract and can be overridden but not called directly.</dd></dl><p>Reimplement this to clear the preview. This is called when e.g. the
selection is cleared or when multiple selections exist, or the directory
is changed.
</p></div></div><a class="anchor" name="setSupportedMimeTypes"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> setSupportedMimeTypes</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">QStringList </td>
<td class="paramname"><em>mimeTypes</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"></div></div><a class="anchor" name="showPreview"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname"> showPreview</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"><a href="../kdecore/KUrl.html">KUrl</a> </td>
<td class="paramname"><em>url</em></td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td>
<td></td>
<td width="100%"> </td>
</tr></table>
</div>
<div class="memdoc"><dl compact><dt><b>Abstract method:</b></dt><dd>This method is abstract and can be overridden but not called directly.</dd></dl><p>This slot is called every time the user selects another file in the
file dialog. Implement the stuff necessary to reflect the change here.
</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>url</em> </td><td> The URL of the currently selected file.
</td></tr>
</table></dl>
<p>
</p></div></div><a class="anchor" name="supportedMimeTypes"></a>
<div class="memitem">
<div class="memproto">
<table class="memname"><tr>
<td class="memname">QStringList supportedMimeTypes</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em> )</td>
<td width="100%"> </td>
</tr>
</table>
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