[PyCrust-cvs] wx/examples examples.html,NONE,1.1 default.css,NONE,1.1

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Html version of doc.

--- NEW FILE: examples.html ---
<?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" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="generator" content="Docutils 0.2.8: http://docutils.sourceforge.net/" />
<title>Example Programs Using wxPython</title>
<meta name="author" content="Patrick K. O'Brien" />
<meta name="date" content="2003-03-21" />
<link rel="stylesheet" href="default.css" type="text/css" />
</head>
<body>
<div class="document" id="example-programs-using-wxpython">
<h1 class="title">Example Programs Using wxPython</h1>
<h2 class="subtitle" id="a-survival-guide-for-the-post-wx-prefixed-world">A survival guide for the post-wx-prefixed world.</h2>
<table class="docinfo" frame="void" rules="none">
<col class="docinfo-name" />
<col class="docinfo-content" />
<tbody valign="top">
<tr><th class="docinfo-name">Author:</th>
<td>Patrick K. O'Brien</td></tr>
<tr><th class="docinfo-name">Contact:</th>
<td><a class="first last reference" href="mailto:pobrien&#64;orbtech.com">pobrien&#64;orbtech.com</a></td></tr>
<tr><th class="docinfo-name">Date:</th>
<td>2003-03-21</td></tr>
<tr><th class="docinfo-name">Revision:</th>
<td>1.1</td></tr>
</tbody>
</table>
<div class="contents topic" id="contents">
<p class="topic-title"><a name="contents">Contents</a></p>
<ul class="simple">
<li><a class="reference" href="#introduction" id="id1" name="id1">Introduction</a></li>
<li><a class="reference" href="#basic" id="id2" name="id2">Basic</a></li>
<li><a class="reference" href="#hello" id="id3" name="id3">Hello</a></li>
</ul>
</div>
<div class="section" id="introduction">
<h1><a class="toc-backref" href="#id1" name="introduction">Introduction</a></h1>
<p>If something hits you on the head, don't run around screaming that the
sky is falling.  Instead, take a close look and see if it wasn't a
&quot;wx&quot; prefix that hit you.  Apparently, they're dropping off wxPython
class names like flies dropping dead in the scorching heat of a
summer's day.</p>
<p>Yes, the world is changing, and even our little wxPython world must
change with it.  Then again, I'm not fond of pesky summertime flies,
and I'm not too upset that the &quot;wx&quot; prefixes are going to bite the
dust.  I think it's for the best.  But, being the kind, considerate
person that I am, I decided to write this guide to make the wx
namespace transition easier for everyone, even Chicken Little.</p>
<div class="sidebar">
<p class="sidebar-title">Say what?</p>
<p>If you have no idea what I mean by the &quot;wx namespace transition,&quot;
consider yourself lucky.  You can simply use these examples to
learn wxPython in its current state.  All you need to know is that
previous wxPython code used a slightly different syntax that some
folks (including me) considered ugly.  So we changed it.  And
that's when the sky starting falling...</p>
</div>
<p>Rather than simply <strong>tell</strong> you that everything will be okay, I
decided to <strong>show</strong> you that everything will be okay.  To do that,
I've created a bunch of example programs using the new wx package.  I
hope you like them.</p>
</div>
<div class="section" id="basic">
<h1><a class="toc-backref" href="#id2" name="basic">Basic</a></h1>
<p>It doesn't get much simpler than this.  Every wxPython program needs
an application and a frame.  To encourage good coding habits, I've
split them into separate modules.  They don't do much, but they're a
good starting point.</p>
<p>I include a simple App class in the frame module because the PyCrust
&quot;wrapper&quot; utility (<tt class="literal"><span class="pre">wrap.py</span></tt>) only works with modules that contain
an application class.  So including a simple one in each of your frame
modules allows you to use the PyCrust runtime wrapper and debug your
frames independent of your full application.</p>
<p>Here is the module (<tt class="literal"><span class="pre">frame.py</span></tt>) that defines the frame class:</p>
<pre class="literal-block">
#!/usr/bin/env python

&quot;&quot;&quot;Basic frame class, with App for testing.&quot;&quot;&quot;

__author__ = &quot;Patrick K. O'Brien &lt;pobrien&#64;orbtech.com&gt;&quot;
__cvsid__ = &quot;$Id: examples.html,v 1.1 2003/03/21 20:38:01 pobrien Exp $&quot;
__revision__ = &quot;$Revision: 1.1 $&quot;[11:-2]

import wx

class Frame(wx.Frame):
    &quot;&quot;&quot;Frame class.&quot;&quot;&quot;

    def __init__(self, parent=None, id=-1, title='Title',
                 pos=wx.DefaultPosition, size=(400, 200)):
        &quot;&quot;&quot;Create a Frame instance.&quot;&quot;&quot;
        wx.Frame.__init__(self, parent, id, title, pos, size)

class App(wx.App):
    &quot;&quot;&quot;Application class.&quot;&quot;&quot;

    def OnInit(self):
        self.frame = Frame()
        self.frame.Show()
        self.SetTopWindow(self.frame)
        return True

def main():
    app = App()
    app.MainLoop()

if __name__ == '__main__':
    main()

</pre>
<p>And here is the module (<tt class="literal"><span class="pre">app.py</span></tt>) that defines the application class
and imports the frame from <tt class="literal"><span class="pre">frame.py</span></tt>:</p>
<pre class="literal-block">
#!/usr/bin/env python

&quot;&quot;&quot;Basic application class.&quot;&quot;&quot;

__author__ = &quot;Patrick K. O'Brien &lt;pobrien&#64;orbtech.com&gt;&quot;
__cvsid__ = &quot;$Id: examples.html,v 1.1 2003/03/21 20:38:01 pobrien Exp $&quot;
__revision__ = &quot;$Revision: 1.1 $&quot;[11:-2]

import wx

from frame import Frame

class App(wx.App):
    &quot;&quot;&quot;Application class.&quot;&quot;&quot;

    def OnInit(self):
        self.frame = Frame()
        self.frame.Show()
        self.SetTopWindow(self.frame)
        return True

def main():
    app = App()
    app.MainLoop()

if __name__ == '__main__':
    main()

</pre>
</div>
<div class="section" id="hello">
<h1><a class="toc-backref" href="#id3" name="hello">Hello</a></h1>
<p>This program displays an image file (<tt class="literal"><span class="pre">wxPython.jpg</span></tt>) inside a frame
sized to match the graphic.</p>
<div class="figure">
<p><img alt="screenshots/hello-win98.png" scale="100" src="screenshots/hello-win98.png" /></p>
<p class="caption">Running <tt class="literal"><span class="pre">hello.py</span></tt> on Windows.</p>
</div>
<div class="figure">
<p><img alt="screenshots/hello-linux.png" scale="100" src="screenshots/hello-linux.png" /></p>
<p class="caption">Running <tt class="literal"><span class="pre">hello.py</span></tt> on Linux.</p>
</div>
<div class="figure">
<p><img alt="screenshots/hello-mac.png" scale="100" src="screenshots/hello-mac.png" /></p>
<p class="caption">Running <tt class="literal"><span class="pre">hello.py</span></tt> on Mac OS X.</p>
</div>
<p>Here is the source code for <tt class="literal"><span class="pre">hello.py</span></tt>:</p>
<pre class="literal-block">
#!/usr/bin/env python

&quot;&quot;&quot;Hello, wxPython! program.&quot;&quot;&quot;

__author__ = &quot;Patrick K. O'Brien &lt;pobrien&#64;orbtech.com&gt;&quot;
__cvsid__ = &quot;$Id: examples.html,v 1.1 2003/03/21 20:38:01 pobrien Exp $&quot;
__revision__ = &quot;$Revision: 1.1 $&quot;[11:-2]

import wx

class Frame(wx.Frame):
    &quot;&quot;&quot;Frame class that displays an image.&quot;&quot;&quot;

    def __init__(self, image, parent=None, id=-1,
                 pos=wx.DefaultPosition, title='Hello, wxPython!'):
        &quot;&quot;&quot;Create a Frame instance and display image.&quot;&quot;&quot;
        temp = image.ConvertToBitmap()
        size = temp.GetWidth(), temp.GetHeight()
        wx.Frame.__init__(self, parent, id, title, pos, size)
        self.bmp = wx.StaticBitmap(parent=self, id=-1, bitmap=temp)

class App(wx.App):
    &quot;&quot;&quot;Application class.&quot;&quot;&quot;

    def OnInit(self):
        wx.InitAllImageHandlers()
        image = wx.Image('wxPython.jpg', wx.BITMAP_TYPE_JPEG)
        self.frame = Frame(image)
        self.frame.Show()
        self.SetTopWindow(self.frame)
        return True

def main():
    app = App()
    app.MainLoop()

if __name__ == '__main__':
    main()

</pre>
</div>
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