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Documentation/Source/eric6.WebBrowser.Network.QtHelpSchemeHandler.html@54054456ca58

Documentation/Source/eric6.WebBrowser.Network.QtHelpSchemeHandler.html

Wed, 19 Sep 2018 19:50:10 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 19 Sep 2018 19:50:10 +0200
changeset 6507
54054456ca58
parent 6123
39cd368143db
permissions
-rw-r--r--

EricSchemeHandler, QtHelpSchemeHandler: ensure, that data is loaded in the main thread.

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<h1>eric6.WebBrowser.Network.QtHelpSchemeHandler</h1>
<p>
Module implementing a scheme access handler for QtHelp.
</p>
<h3>Global Attributes</h3>
<table>
<tr><td>ExtensionMap</td></tr><tr><td>QtDocPath</td></tr>
</table>
<h3>Classes</h3>
<table>
<tr>
<td><a href="#QtHelpSchemeHandler">QtHelpSchemeHandler</a></td>
<td>Class implementing a scheme handler for the qthelp: scheme.</td>
</tr><tr>
<td><a href="#QtHelpSchemeReply">QtHelpSchemeReply</a></td>
<td>Class implementing a reply for a requested qthelp: page.</td>
</tr>
</table>
<h3>Functions</h3>
<table>
<tr><td>None</td></tr>
</table>
<hr /><hr />
<a NAME="QtHelpSchemeHandler" ID="QtHelpSchemeHandler"></a>
<h2>QtHelpSchemeHandler</h2>
<p>
    Class implementing a scheme handler for the qthelp: scheme.
</p>
<h3>Derived from</h3>
QWebEngineUrlSchemeHandler
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#QtHelpSchemeHandler.__init__">QtHelpSchemeHandler</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#QtHelpSchemeHandler.__replyClosed">__replyClosed</a></td>
<td>Private slot handling the closed signal of a reply.</td>
</tr><tr>
<td><a href="#QtHelpSchemeHandler.requestStarted">requestStarted</a></td>
<td>Public method handling the URL request.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="QtHelpSchemeHandler.__init__" ID="QtHelpSchemeHandler.__init__"></a>
<h4>QtHelpSchemeHandler (Constructor)</h4>
<b>QtHelpSchemeHandler</b>(<i>engine, parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>engine</i> (QHelpEngine)</dt>
<dd>
reference to the help engine
</dd><dt><i>parent</i> (QObject)</dt>
<dd>
reference to the parent object
</dd>
</dl><a NAME="QtHelpSchemeHandler.__replyClosed" ID="QtHelpSchemeHandler.__replyClosed"></a>
<h4>QtHelpSchemeHandler.__replyClosed</h4>
<b>__replyClosed</b>(<i>reply</i>)
<p>
        Private slot handling the closed signal of a reply.
</p><dl>
<dt><i>reply</i> (QtHelpSchemeReply)</dt>
<dd>
reference to the network reply
</dd>
</dl><a NAME="QtHelpSchemeHandler.requestStarted" ID="QtHelpSchemeHandler.requestStarted"></a>
<h4>QtHelpSchemeHandler.requestStarted</h4>
<b>requestStarted</b>(<i>job</i>)
<p>
        Public method handling the URL request.
</p><dl>
<dt><i>job</i> (QWebEngineUrlRequestJob)</dt>
<dd>
URL request job
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr /><hr />
<a NAME="QtHelpSchemeReply" ID="QtHelpSchemeReply"></a>
<h2>QtHelpSchemeReply</h2>
<p>
    Class implementing a reply for a requested qthelp: page.
</p><h3>Signals</h3>
<dl>
<dt>closed</dt>
<dd>
emitted to signal that the web engine has read
        the data
</dd>
</dl>
<h3>Derived from</h3>
QIODevice
<h3>Class Attributes</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
<table>
<tr>
<td><a href="#QtHelpSchemeReply.__init__">QtHelpSchemeReply</a></td>
<td>Constructor</td>
</tr><tr>
<td><a href="#QtHelpSchemeReply.__loadQtHelpPage">__loadQtHelpPage</a></td>
<td>Private method to load the requested QtHelp page.</td>
</tr><tr>
<td><a href="#QtHelpSchemeReply.__mimeFromUrl">__mimeFromUrl</a></td>
<td>Private method to guess the mime type given an URL.</td>
</tr><tr>
<td><a href="#QtHelpSchemeReply.bytesAvailable">bytesAvailable</a></td>
<td>Public method to get the number of available bytes.</td>
</tr><tr>
<td><a href="#QtHelpSchemeReply.close">close</a></td>
<td>Public method used to cloase the reply.</td>
</tr><tr>
<td><a href="#QtHelpSchemeReply.mimeType">mimeType</a></td>
<td>Public method to get the reply mime type.</td>
</tr><tr>
<td><a href="#QtHelpSchemeReply.readData">readData</a></td>
<td>Public method to retrieve data from the reply object.</td>
</tr>
</table>
<h3>Static Methods</h3>
<table>
<tr><td>None</td></tr>
</table>
<a NAME="QtHelpSchemeReply.__init__" ID="QtHelpSchemeReply.__init__"></a>
<h4>QtHelpSchemeReply (Constructor)</h4>
<b>QtHelpSchemeReply</b>(<i>job, engine, parent=None</i>)
<p>
        Constructor
</p><dl>
<dt><i>job</i> (QWebEngineUrlRequestJob)</dt>
<dd>
reference to the URL request
</dd><dt><i>engine</i> (QHelpEngine)</dt>
<dd>
reference to the help engine
</dd><dt><i>parent</i> (QObject)</dt>
<dd>
reference to the parent object
</dd>
</dl><a NAME="QtHelpSchemeReply.__loadQtHelpPage" ID="QtHelpSchemeReply.__loadQtHelpPage"></a>
<h4>QtHelpSchemeReply.__loadQtHelpPage</h4>
<b>__loadQtHelpPage</b>(<i>url</i>)
<p>
        Private method to load the requested QtHelp page.
</p><dl>
<dt><i>url</i> (QUrl)</dt>
<dd>
URL of the requested page
</dd>
</dl><a NAME="QtHelpSchemeReply.__mimeFromUrl" ID="QtHelpSchemeReply.__mimeFromUrl"></a>
<h4>QtHelpSchemeReply.__mimeFromUrl</h4>
<b>__mimeFromUrl</b>(<i>url</i>)
<p>
        Private method to guess the mime type given an URL.
</p><dl>
<dt><i>url</i></dt>
<dd>
URL to guess the mime type from (QUrl)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
mime type for the given URL (string)
</dd>
</dl><a NAME="QtHelpSchemeReply.bytesAvailable" ID="QtHelpSchemeReply.bytesAvailable"></a>
<h4>QtHelpSchemeReply.bytesAvailable</h4>
<b>bytesAvailable</b>(<i></i>)
<p>
        Public method to get the number of available bytes.
</p><dl>
<dt>Returns:</dt>
<dd>
number of available bytes
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl><a NAME="QtHelpSchemeReply.close" ID="QtHelpSchemeReply.close"></a>
<h4>QtHelpSchemeReply.close</h4>
<b>close</b>(<i></i>)
<p>
        Public method used to cloase the reply.
</p><a NAME="QtHelpSchemeReply.mimeType" ID="QtHelpSchemeReply.mimeType"></a>
<h4>QtHelpSchemeReply.mimeType</h4>
<b>mimeType</b>(<i></i>)
<p>
        Public method to get the reply mime type.
</p><dl>
<dt>Returns:</dt>
<dd>
mime type of the reply
</dd>
</dl><dl>
<dt>Return Type:</dt>
<dd>
bytes
</dd>
</dl><a NAME="QtHelpSchemeReply.readData" ID="QtHelpSchemeReply.readData"></a>
<h4>QtHelpSchemeReply.readData</h4>
<b>readData</b>(<i>maxlen</i>)
<p>
        Public method to retrieve data from the reply object.
</p><dl>
<dt><i>maxlen</i></dt>
<dd>
maximum number of bytes to read (integer)
</dd>
</dl><dl>
<dt>Returns:</dt>
<dd>
string containing the data (bytes)
</dd>
</dl>
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