8eda5e3588
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25509 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
227 lines
9.1 KiB
HTML
227 lines
9.1 KiB
HTML
<?xml version="1.0" encoding="iso-8859-1" ?>
|
|
<!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=iso-8859-1" />
|
|
<meta name="generator" content="Docutils 0.3.1: http://docutils.sourceforge.net/" />
|
|
<title>Example Programs Using wxPython</title>
|
|
<meta name="author" content="Patrick K. O'Brien" />
|
|
<meta name="organization" content="Orbtech" />
|
|
<meta name="date" content="2003-07-02" />
|
|
<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@orbtech.com">pobrien@orbtech.com</a></td></tr>
|
|
<tr><th class="docinfo-name">Organization:</th>
|
|
<td><a class="first last reference" href="http://www.orbtech.com/">Orbtech</a></td></tr>
|
|
<tr><th class="docinfo-name">Date:</th>
|
|
<td>2003-07-02</td></tr>
|
|
<tr><th class="docinfo-name">Revision:</th>
|
|
<td>1.2</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="#background-with-tongue-firmly-in-cheek" id="id2" name="id2">Background (with tongue firmly in cheek)</a></li>
|
|
<li><a class="reference" href="#basic-program-example" id="id3" name="id3">Basic Program Example</a></li>
|
|
<li><a class="reference" href="#hello-wxpython-example" id="id4" name="id4">Hello wxPython Example</a></li>
|
|
</ul>
|
|
</div>
|
|
<div class="section" id="introduction">
|
|
<h1><a class="toc-backref" href="#id1" name="introduction">Introduction</a></h1>
|
|
<p>This document illustrates example programs using wxPython. All the
|
|
examples make use of the new wx package syntax introduced in wxPython
|
|
2.4.1, which is a bit different than older examples you might come
|
|
across.</p>
|
|
</div>
|
|
<div class="section" id="background-with-tongue-firmly-in-cheek">
|
|
<h1><a class="toc-backref" href="#id2" name="background-with-tongue-firmly-in-cheek">Background (with tongue firmly in cheek)</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
|
|
"wx" 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 "wx" 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="note">
|
|
<p class="admonition-title">Note</p>
|
|
<p>Say what?</p>
|
|
<p>If you have no idea what I mean by the "wx namespace transition,"
|
|
consider yourself lucky. You can simply use these examples to
|
|
learn wxPython in its current state (beginning with wxPython
|
|
version 2.4.1). 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>
|
|
<p>If you want more of the technical details, read the <a class="reference" href="wxPackage.html">wx package
|
|
documentation</a>.</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-program-example">
|
|
<h1><a class="toc-backref" href="#id3" name="basic-program-example">Basic Program Example</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 PyWrap
|
|
"wrapper" utility (<tt class="literal"><span class="pre">pywrap</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 PyWrap 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
|
|
|
|
"""Basic frame class, with App for testing."""
|
|
|
|
__author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
|
|
__cvsid__ = "$Id$"
|
|
__revision__ = "$Revision$"[11:-2]
|
|
|
|
import wx
|
|
|
|
class Frame(wx.Frame):
|
|
"""Frame class."""
|
|
|
|
def __init__(self, parent=None, id=-1, title='Title',
|
|
pos=wx.DefaultPosition, size=(400, 200)):
|
|
"""Create a Frame instance."""
|
|
wx.Frame.__init__(self, parent, id, title, pos, size)
|
|
|
|
class App(wx.App):
|
|
"""Application class."""
|
|
|
|
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
|
|
|
|
"""Basic application class."""
|
|
|
|
__author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
|
|
__cvsid__ = "$Id$"
|
|
__revision__ = "$Revision$"[11:-2]
|
|
|
|
import wx
|
|
|
|
from frame import Frame
|
|
|
|
class App(wx.App):
|
|
"""Application class."""
|
|
|
|
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-wxpython-example">
|
|
<h1><a class="toc-backref" href="#id4" name="hello-wxpython-example">Hello wxPython Example</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
|
|
|
|
"""Hello, wxPython! program."""
|
|
|
|
__author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
|
|
__cvsid__ = "$Id$"
|
|
__revision__ = "$Revision$"[11:-2]
|
|
|
|
import wx
|
|
|
|
class Frame(wx.Frame):
|
|
"""Frame class that displays an image."""
|
|
|
|
def __init__(self, image, parent=None, id=-1,
|
|
pos=wx.DefaultPosition, title='Hello, wxPython!'):
|
|
"""Create a Frame instance and display image."""
|
|
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):
|
|
"""Application class."""
|
|
|
|
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>
|
|
</div>
|
|
<hr class="footer" />
|
|
<div class="footer">
|
|
Generated on: 2004-02-04 23:31 UTC.
|
|
</div>
|
|
</body>
|
|
</html>
|