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来自「GUI Programming with Python」· HTM 代码 · 共 262 行
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<table border="0" cellspacing="0" cellpadding="3" width="100%"><tr><td> <div align="center" id="bldcontent"> <a href="../default.htm"><img src="../images/opendocs.png" width="63" height="76" border="0"></a> <br> <div class="symbol">Your OpenSource Publisher™</div> </div> </td></tr></table> <div align="center" class="author"> <a href="../products.lxp">Products</a> | <a href="../wheretobuy.lxp">Where to buy</a> | <a href="../bookstore.lxp">Retailers</a> | <a href="../faq.lxp">FAQ</a> | <a href="../writeforus.lxp">Write for Us.</a> | <a href="#contact">Contact Us.</a> </div> <table border="0" cellspacing="3" cellpadding="0" width="100%"><tr><td width="100%"> <div class="content"> <table border="0" cellspacing="2" cellpadding="0" width="100%"><tr><td width="100%"> <div align="center"><H4 CLASS="AUTHOR"><A NAME="AEN5">Boudewijn Rempt</A><br><a href="../../https@secure.linuxports.com/opendocs/default.htm"><img src=odpyqt125.png></a><br>ISBN: 0-97003300-4-4<br><a href="../../https@secure.linuxports.com/opendocs/default.htm">Available from bookstores everywhere or you can order it here.</a><p>You can download the source files for the book <a href="pyqtsrc.tgz">(code / eps) here.</a><hr></div> <HTML><HEAD><TITLE>Back to the MDI windows</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.72"><LINKREL="HOME"TITLE="GUI Programming with Python: QT Edition"HREF="book1.htm"><LINKREL="UP"TITLE="User Interface Paradigms"HREF="c5584.htm"><LINKREL="PREVIOUS"TITLE="User Interface Paradigms"HREF="c5584.htm"><LINKREL="NEXT"TITLE="A row of split windows"HREF="x5679.htm"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">GUI Programming with Python: QT Edition</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><A accesskey="P" href="index.lxp@lxpwrap=c5584_252ehtm.htm">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 16. User Interface Paradigms</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><A accesskey="N" href="index.lxp@lxpwrap=x5679_252ehtm.htm">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1">Back to the MDI windows</A></H1><P>Changing the document manager and the application object to work with the <TTCLASS="CLASSNAME">TabManager</TT> class makes them unable to work with the vanilla PyQt <TTCLASS="CLASSNAME">QWorkspace</TT> class. We will have to wrap this one in a class of our own that sports the same functions as the <TTCLASS="CLASSNAME">TabManager</TT> class. Fortunately, this is not an onerous exercise.</P><PRECLASS="PROGRAMLISTING">"""workspace.py - MDI workspace class for the mdi frameworkcopyright: (C) 2001, Boudewijn Remptemail: boud@rempt.xs4all.nl"""from qt import *from resources import TRUE, FALSEclass WorkSpace(QWorkspace): def __init__(self, *args): apply(QWorkspace.__init__,(self, ) + args) def addView(self, view): pass def removeView(self, view): pass def canCascade(self): return TRUE def canTile(self): return TRUE </PRE><P>That didn't hurt, did it? We added a mere four functions to the interface for our view managers. Adding and removing a view from a workspace doesn't need our active intervention, so we can simply add stubs for <TTCLASS="FUNCTION">addView</TT> and <TTCLASS="FUNCTION">removeView</TT>. And a workspace can both cascade and tile, so <TTCLASS="FUNCTION">canCascade()</TT> and <TTCLASS="FUNCTION">canTile()</TT> return TRUE.</P><P>The other functions we had to define in <TTCLASS="CLASSNAME">TabManager</TT>, like <TTCLASS="FUNCTION">cascade()</TT> or <TTCLASS="FUNCTION">windowList</TT> are part of <TTCLASS="CLASSNAME">QWorkspace</TT> — and we don't need to reimplement them.</P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><A accesskey="P" href="index.lxp@lxpwrap=c5584_252ehtm.htm">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><A accesskey="H" href="index.lxp@lxpwrap=book1_252ehtm">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><A accesskey="N" href="index.lxp@lxpwrap=x5679_252ehtm.htm">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">User Interface Paradigms</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><A accesskey="U" href="index.lxp@lxpwrap=c5584_252ehtm.htm">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">A row of split windows</TD></TR></TABLE></DIV></BODY></HTML> </td> </tr> </table> </td> </tr> </table> ⌨️ 快捷键说明
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