<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <!-- /tmp/qt-4.3.4-qt-1203442408707/qt-x11-opensource-src-4.3.4/src/gui/kernel/qevent.cpp --> <head> <title>Qt 4.3: QDragEnterEvent Class Reference</title> <link href="classic.css" rel="stylesheet" type="text/css" /> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td align="left" valign="top" width="32"><a href="http://www.trolltech.com/products/qt"><img src="images/qt-logo.png" align="left" width="32" height="32" border="0" /></a></td> <td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td> <td align="right" valign="top" width="230"><a href="http://www.trolltech.com"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></a></td></tr></table><h1 align="center">QDragEnterEvent Class Reference<br /><sup><sup>[<a href="qtgui.html">QtGui</a> module]</sup></sup></h1> <p>The QDragEnterEvent class provides an event which is sent to a widget when a drag and drop action enters it. <a href="#details">More...</a></p> <pre> #include <QDragEnterEvent></pre><p>Inherits <a href="qdragmoveevent.html">QDragMoveEvent</a>.</p> <ul> <li><a href="qdragenterevent-members.html">List of all members, including inherited members</a></li> </ul> <a name="public-functions"></a> <h3>Public Functions</h3> <ul> <li><div class="fn"/><b><a href="qdragenterevent.html#QDragEnterEvent">QDragEnterEvent</a></b> ( const QPoint & <i>point</i>, Qt::DropActions <i>actions</i>, const QMimeData * <i>data</i>, Qt::MouseButtons <i>buttons</i>, Qt::KeyboardModifiers <i>modifiers</i> )</li> </ul> <ul> <li><div class="fn"/>5 public functions inherited from <a href="qdragmoveevent.html#public-functions">QDragMoveEvent</a></li> <li><div class="fn"/>10 public functions inherited from <a href="qdropevent.html#public-functions">QDropEvent</a></li> <li><div class="fn"/>6 public functions inherited from <a href="qevent.html#public-functions">QEvent</a></li> <li><div class="fn"/>3 public functions inherited from <a href="qmimesource.html#public-functions">QMimeSource</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li><div class="fn"/>1 property inherited from <a href="qevent.html#properties">QEvent</a></li> </ul> <a name="details"></a> <hr /> <h2>Detailed Description</h2> <p>The QDragEnterEvent class provides an event which is sent to a widget when a drag and drop action enters it.</p> <p>A widget must accept this event in order to receive the <a href="qdragmoveevent.html">drag move events</a> that are sent while the drag and drop action is in progress. The drag enter event is always immediately followed by a drag move event.</p> <p>QDragEnterEvent inherits most of its functionality from <a href="qdragmoveevent.html">QDragMoveEvent</a>, which in turn inherits most of its functionality from <a href="qdropevent.html">QDropEvent</a>.</p> <p>See also <a href="qdragleaveevent.html">QDragLeaveEvent</a>, <a href="qdragmoveevent.html">QDragMoveEvent</a>, and <a href="qdropevent.html">QDropEvent</a>.</p> <hr /> <h2>Member Function Documentation</h2> <h3 class="fn"><a name="QDragEnterEvent"></a>QDragEnterEvent::QDragEnterEvent ( const <a href="qpoint.html">QPoint</a> & <i>point</i>, <a href="qt.html#DropAction-enum">Qt::DropActions</a> <i>actions</i>, const <a href="qmimedata.html">QMimeData</a> * <i>data</i>, <a href="qt.html#MouseButton-enum">Qt::MouseButtons</a> <i>buttons</i>, <a href="qt.html#KeyboardModifier-enum">Qt::KeyboardModifiers</a> <i>modifiers</i> )</h3> <p>Constructs a <a href="qdragenterevent.html">QDragEnterEvent</a> that represents a drag entering a widget at the given <i>point</i> with mouse and keyboard states specified by <i>buttons</i> and <i>modifiers</i>.</p> <p>The drag data is passed as MIME-encoded information in <i>data</i>, and the specified <i>actions</i> describe the possible types of drag and drop operation that can be performed.</p> <p><b>Warning:</b> Do not create a <a href="qdragenterevent.html">QDragEnterEvent</a> yourself since these objects rely on Qt's internal state.</p> <p /><address><hr /><div align="center"> <table width="100%" cellspacing="0" border="0"><tr class="address"> <td width="30%">Copyright © 2008 <a href="trolltech.html">Trolltech</a></td> <td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td> <td width="30%" align="right"><div align="right">Qt 4.3.4</div></td> </tr></table></div></address></body> </html>