<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <title>KSystemTimeZoneBackend</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <link rel="stylesheet" type="text/css" href="../common/doxygen.css" /> <link rel="stylesheet" media="screen" type="text/css" title="KDE Colors" href="../common/kde.css" /> </head> <body> <div id="container"> <div id="header"> <div id="header_top"> <div> <div> <img alt ="" src="../common/top-kde.jpg"/> KDE 4.9 PyKDE API Reference </div> </div> </div> <div id="header_bottom"> <div id="location"> <ul> <li>KDE's Python API</li> </ul> </div> <div id="menu"> <ul> <li><a href="../modules.html">Overview</a></li> <li><a href="http://techbase.kde.org/Development/Languages/Python">PyKDE Home</a></li> <li><a href="http://kde.org/family/">Sitemap</a></li> <li><a href="http://kde.org/contact/">Contact Us</a></li> </ul> </div> </div> </div> <div id="body_wrapper"> <div id="body"> <div id="right"> <div class="content"> <div id="main"> <div class="clearer"> </div> <h1>KSystemTimeZoneBackend Class Reference</h1> <code>from PyKDE4.kdecore import *</code> <p> Inherits: <a href="../kdecore/KTimeZoneBackend.html">KTimeZoneBackend</a><br /> <h2>Detailed Description</h2> <p>Backend class for KSystemTimeZone class. </p> <p> This class implements KSystemTimeZone's constructors and virtual methods. A backend class is required for all classes inherited from KTimeZone to allow KTimeZone virtual methods to work together with reference counting of private data. </p> <p> Backend class for KSystemTimeZone class <dl class="see" compact><dt><b>See also:</b></dt><dd> KTimeZoneBackend, KSystemTimeZone, KTimeZone </dd></dl> <dl class="author" compact><dt><b>Author:</b></dt><dd> David Jarvie <djarvie@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="#KSystemTimeZoneBackend">__init__</a> (self, <a href="../kdecore/KSystemTimeZoneSource.html">KSystemTimeZoneSource</a> source, QString name, QString countryCode, float latitude, float longitude, QString comment)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top"><a href="../kdecore/KTimeZoneBackend.html">KTimeZoneBackend</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#clone">clone</a> (self)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isDst">isDst</a> (self, <a href="../kdecore/KTimeZone.html">KTimeZone</a> caller, time_t t)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#isDstAtUtc">isDstAtUtc</a> (self, <a href="../kdecore/KTimeZone.html">KTimeZone</a> caller, QDateTime utcDateTime)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#offset">offset</a> (self, <a href="../kdecore/KTimeZone.html">KTimeZone</a> caller, time_t t)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#offsetAtUtc">offsetAtUtc</a> (self, <a href="../kdecore/KTimeZone.html">KTimeZone</a> caller, QDateTime utcDateTime)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#offsetAtZoneTime">offsetAtZoneTime</a> (self, <a href="../kdecore/KTimeZone.html">KTimeZone</a> caller, QDateTime zoneDateTime, int secondOffset)</td></tr> <tr><td class="memItemLeft" nowrap align="right" valign="top">QByteArray </td><td class="memItemRight" valign="bottom"><a class="el" href="#type">type</a> (self)</td></tr> </table> <hr><h2>Method Documentation</h2><a class="anchor" name="KSystemTimeZoneBackend"></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="../kdecore/KSystemTimeZoneSource.html">KSystemTimeZoneSource</a> </td> <td class="paramname"><em>source</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QString </td> <td class="paramname"><em>name</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QString </td> <td class="paramname"><em>countryCode</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">float </td> <td class="paramname"><em>latitude</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">float </td> <td class="paramname"><em>longitude</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QString </td> <td class="paramname"><em>comment</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Implements KSystemTimeZone.KSystemTimeZone(). </p></div></div><a class="anchor" name="clone"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname"><a href="../kdecore/KTimeZoneBackend.html">KTimeZoneBackend</a> clone</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname"><em>self</em> )</td> <td width="100%"> </td> </tr> </table> </div> <div class="memdoc"><p>Creates a copy of this instance. </p> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> new copy </dd></dl> </p></div></div><a class="anchor" name="isDst"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">bool isDst</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/KTimeZone.html">KTimeZone</a> </td> <td class="paramname"><em>caller</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">time_t </td> <td class="paramname"><em>t</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Implements KSystemTimeZone.isDst(). </p> <p> Returns whether daylight savings time is in operation at a specified UTC time. </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>caller</em> </td><td> calling KSystemTimeZone object <tr><td></td><td valign="top"><em>t</em> </td><td> the UTC time, measured in seconds since 00:00:00 UTC 1st January 1970 (as returned by time(2)) </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> true if daylight savings time is in operation, false otherwise </dd></dl> </p></div></div><a class="anchor" name="isDstAtUtc"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">bool isDstAtUtc</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/KTimeZone.html">KTimeZone</a> </td> <td class="paramname"><em>caller</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QDateTime </td> <td class="paramname"><em>utcDateTime</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Implements KSystemTimeZone.isDstAtUtc(). </p> <p> Returns whether daylight savings time is in operation at the given UTC date/time. </p> <p> Note that system times are represented using time_t. An error occurs if the date falls outside the range supported by time_t. </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>caller</em> </td><td> calling KSystemTimeZone object <tr><td></td><td valign="top"><em>utcDateTime</em> </td><td> the UTC date/time. An error occurs if <b>utcDateTime.timeSpec()</b> is not Qt.UTC. </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> true if daylight savings time is in operation, false otherwise </dd></dl> </p></div></div><a class="anchor" name="offset"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">int offset</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/KTimeZone.html">KTimeZone</a> </td> <td class="paramname"><em>caller</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">time_t </td> <td class="paramname"><em>t</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Implements KSystemTimeZone.offset(). </p> <p> Returns the offset of this time zone to UTC at a specified UTC time. </p> <p> The offset is the number of seconds which you must add to UTC to get local time in this time zone. </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>caller</em> </td><td> calling KSystemTimeZone object <tr><td></td><td valign="top"><em>t</em> </td><td> the UTC time at which the offset is to be calculated, measured in seconds since 00:00:00 UTC 1st January 1970 (as returned by time(2)) </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> offset in seconds, or 0 if error </dd></dl> </p></div></div><a class="anchor" name="offsetAtUtc"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">int offsetAtUtc</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/KTimeZone.html">KTimeZone</a> </td> <td class="paramname"><em>caller</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QDateTime </td> <td class="paramname"><em>utcDateTime</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Implements KSystemTimeZone.offsetAtUtc(). </p> <p> Returns the offset of this time zone to UTC at the given UTC date/time. </p> <p> The offset is the number of seconds which you must add to UTC to get local time in this time zone. </p> <p> Note that system times are represented using time_t. An error occurs if the date falls outside the range supported by time_t. </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>caller</em> </td><td> calling KSystemTimeZone object <tr><td></td><td valign="top"><em>utcDateTime</em> </td><td> the UTC date/time at which the offset is to be calculated. An error occurs if <b>utcDateTime.timeSpec()</b> is not Qt.UTC. </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> offset in seconds, or 0 if error </dd></dl> </p></div></div><a class="anchor" name="offsetAtZoneTime"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">int offsetAtZoneTime</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/KTimeZone.html">KTimeZone</a> </td> <td class="paramname"><em>caller</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">QDateTime </td> <td class="paramname"><em>zoneDateTime</em>, </td> </tr> <tr> <td class="memname"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>secondOffset</em></td> </tr> <tr> <td></td> <td>)</td> <td></td> <td></td> <td width="100%"> </td> </tr></table> </div> <div class="memdoc"><p>Implements KSystemTimeZone.offsetAtZoneTime(). </p> <p> Returns the offset of this time zone to UTC at the given local date/time. Because of daylight savings time shifts, the date/time may occur twice. Optionally, the offsets at both occurrences of <b>dateTime</b> are calculated. </p> <p> The offset is the number of seconds which you must add to UTC to get local time in this time zone. </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>caller</em> </td><td> calling KSystemTimeZone object <tr><td></td><td valign="top"><em>zoneDateTime</em> </td><td> the date/time at which the offset is to be calculated. This is interpreted as a local time in this time zone. An error occurs if <b>zoneDateTime.timeSpec()</b> is not Qt.LocalTime. <tr><td></td><td valign="top"><em>secondOffset</em> </td><td> if non-null, and the <b>zoneDateTime</b> occurs twice, receives the UTC offset for the second occurrence. Otherwise, it is set the same as the return value. </td></tr> </table></dl> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> offset in seconds. If <b>zoneDateTime</b> occurs twice, it is the offset at the first occurrence which is returned. </dd></dl> </p></div></div><a class="anchor" name="type"></a> <div class="memitem"> <div class="memproto"> <table class="memname"><tr> <td class="memname">QByteArray type</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname"><em>self</em> )</td> <td width="100%"> </td> </tr> </table> </div> <div class="memdoc"><p>Returns the class name of the data represented by this instance. </p> <p> <dl class="return" compact><dt><b>Returns:</b></dt><dd> "KSystemTimeZone" </dd></dl> </p></div></div> </div> </div> </div> <div id="left"> <div class="menu_box"> <div class="nav_list"> <ul> <li><a href="../allclasses.html">Full Index</a></li> </ul> </div> <a name="cp-menu" /><div class="menutitle"><div> <h2 id="cp-menu-project">Modules</h2> </div></div> <div class="nav_list"> <ul><li><a href="../akonadi/index.html">akonadi</a></li> <li><a href="../dnssd/index.html">dnssd</a></li> <li><a href="../kdecore/index.html">kdecore</a></li> <li><a href="../kdeui/index.html">kdeui</a></li> <li><a href="../khtml/index.html">khtml</a></li> <li><a href="../kio/index.html">kio</a></li> <li><a href="../knewstuff/index.html">knewstuff</a></li> <li><a href="../kparts/index.html">kparts</a></li> <li><a href="../kutils/index.html">kutils</a></li> <li><a href="../nepomuk/index.html">nepomuk</a></li> <li><a href="../phonon/index.html">phonon</a></li> <li><a href="../plasma/index.html">plasma</a></li> <li><a href="../polkitqt/index.html">polkitqt</a></li> <li><a href="../solid/index.html">solid</a></li> <li><a href="../soprano/index.html">soprano</a></li> </ul></div></div> </div> </div> <div class="clearer"/> </div> <div id="end_body"></div> </div> <div id="footer"><div id="footer_text"> This documentation is maintained by <a href="mailto:simon@simonzone.com">Simon Edwards</a>.<br /> KDE<sup>®</sup> and <a href="../images/kde_gear_black.png">the K Desktop Environment<sup>®</sup> logo</a> are registered trademarks of <a href="http://ev.kde.org/" title="Homepage of the KDE non-profit Organization">KDE e.V.</a> | <a href="http://www.kde.org/contact/impressum.php">Legal</a> </div></div> </body> </html>