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<body>
-<div class="document" id="wxpython-2-5-migration-guide">
-<h1 class="title">wxPython 2.5 Migration Guide</h1>
+<div class="document" id="wxpython-2-6-migration-guide">
+<h1 class="title">wxPython 2.6 Migration Guide</h1>
<p>This document will help explain some of the major changes in wxPython
-2.5 since the 2.4 series and let you know what you need to do to adapt
+2.6 since the 2.4 series and let you know what you need to do to adapt
your programs to those changes. Be sure to also check in the <a class="reference" href="CHANGES.html">CHANGES</a>
file like usual to see info about the not so major changes and other
things that have been added to wxPython.</p>
-<div class="section" id="wxname-change">
-<h1><a name="wxname-change">wxName Change</a></h1>
+<div class="section">
+<h1><a id="wxname-change" name="wxname-change">wxName Change</a></h1>
<p>The <strong>wxWindows</strong> project and library is now known as
<strong>wxWidgets</strong>. Please see <a class="reference" href="http://www.wxwidgets.org/name.htm">here</a> for more details.</p>
<p>This won't really affect wxPython all that much, other than the fact
to try and smooth the transition as much as possible, but I wanted you
all to be aware of this change if you run into any issues.</p>
</div>
-<div class="section" id="module-initialization">
-<h1><a name="module-initialization">Module Initialization</a></h1>
+<div class="section">
+<h1><a id="module-initialization" name="module-initialization">Module Initialization</a></h1>
<p>The import-startup-bootstrap process employed by wxPython was changed
such that wxWidgets and the underlying gui toolkit are <strong>not</strong>
initialized until the wx.App object is created (but before wx.App.OnInit
will now check that a wx.App object has already been created and will
raise a wx.PyNoAppError exception if not.</p>
</div>
-<div class="section" id="swig-1-3">
-<h1><a name="swig-1-3">SWIG 1.3</a></h1>
+<div class="section">
+<h1><a id="swig-1-3" name="swig-1-3">SWIG 1.3</a></h1>
<p>wxPython is now using SWIG 1.3.x from CVS (with several of my own
customizations added that I hope to get folded back into the main SWIG
distribution.) This has some far reaching ramifications:</p>
need to change it to isinstance(obj, wx.Foo).</p>
</blockquote>
</div>
-<div class="section" id="binding-events">
-<h1><a name="binding-events">Binding Events</a></h1>
+<div class="section">
+<h1><a id="binding-events" name="binding-events">Binding Events</a></h1>
<p>All of the EVT_* functions are now instances of the wx.PyEventBinder
class. They have a __call__ method so they can still be used as
functions like before, but making them instances adds some
item = menu.Append(-1, "E&xit", "Terminate the App")
self.Bind(wx.EVT_MENU, self.OnExit, item)
-2.
+2.
item = menu.Append(wx.ID_EXIT, "E&xit", "Terminate the App")
self.Bind(wx.EVT_MENU, self.OnExit, item)
-3.
+3.
menu.Append(wx.ID_EXIT, "E&xit", "Terminate the App")
self.Bind(wx.EVT_MENU, self.OnExit, id=wx.ID_EXIT)
</pre>
"""
</pre>
</div>
-<div class="section" id="the-wx-namespace">
-<h1><a name="the-wx-namespace">The wx Namespace</a></h1>
+<div class="section">
+<h1><a id="the-wx-namespace" name="the-wx-namespace">The wx Namespace</a></h1>
<p>The second phase of the wx Namespace Transition has begun. That means
that the real names of the classes and other symbols do not have the
'wx' prefix and the modules are located in a Python package named
old wxNames, and the old style of event binding it will still work
just fine.</p>
</div>
-<div class="section" id="new-wx-dc-methods">
-<h1><a name="new-wx-dc-methods">New wx.DC Methods</a></h1>
+<div class="section">
+<h1><a id="new-wx-dc-methods" name="new-wx-dc-methods">New wx.DC Methods</a></h1>
<p><strong>[Changed in 2.5.2.x]</strong> In wxPython 2.5.1.5 there was a new
implementation of the wx.DC Draw and other methods that broke
backwards compatibility in the name of consistency. That change has
FoodFillPoint(self, pt, colour, style = wx.FLOOD_SURFACE)
GetPixel(self, x,y)
-GetPixelPoint(self, pt)
+GetPixelPoint(self, pt)
DrawLine(self, x1, y1, x2, y2)
DrawLinePoint(self, pt1, pt2)
bool Blit(self, xdest, ydest, width, height, sourceDC, xsrc, ysrc,
rop = wx.COPY, useMask = False, xsrcMask = -1, ysrcMask = -1)
-BlitPointSize(self, destPt, sz, sourceDC, srcPt, rop = wx.COPY,
+BlitPointSize(self, destPt, sz, sourceDC, srcPt, rop = wx.COPY,
useMask = False, srcPtMask = wxDefaultPosition)
SetClippingRect(self, rect)
</pre>
</div>
-<div class="section" id="building-extending-and-embedding-wxpython">
-<h1><a name="building-extending-and-embedding-wxpython">Building, Extending and Embedding wxPython</a></h1>
+<div class="section">
+<h1><a id="building-extending-and-embedding-wxpython" name="building-extending-and-embedding-wxpython">Building, Extending and Embedding wxPython</a></h1>
<p>wxPython's setup.py script now expects to use existing libraries for
the contribs (gizmos, stc, xrc, etc.) rather than building local
copies of them. If you build your own copies of wxPython please be
-aware that you now need to also build the ogl, stc, xrc, and gizmos
+aware that you now need to also build the stc, xrc, animate and gizmos
libraries in addition to the main wx lib.</p>
<p>The wxPython.h and other header files are now in
.../wxPython/include/wx/wxPython instead of in wxPython/src. You
<p>If you are also using SWIG for your extension then you'll need to
adapt how the wxPython .i files are imported into your .i files. See
the wxPython sources for examples. Your modules will need to at least
-<tt class="literal"><span class="pre">%import</span> <span class="pre">core.i</span></tt>, and possibly others if you need the definition of
+<tt class="docutils literal"><span class="pre">%import</span> <span class="pre">core.i</span></tt>, and possibly others if you need the definition of
other classes. Since you will need them to build your modules using
SWIG, the main wxPython .i files are also installed with the wxPython
headers in an i_files sibdirectory. It should be enough to pass a
wx/build/config.py. This module will be installed as part of wxPython
so 3rd party modules that wish to use the same setup/configuration
code can do so simply by importing this module from their own setup.py
-scripts using <tt class="literal"><span class="pre">import</span> <span class="pre">wx.build.config</span></tt>.</p>
+scripts using <tt class="docutils literal"><span class="pre">import</span> <span class="pre">wx.build.config</span></tt>.</p>
<p>You no longer need to call wxClassInfo::CleanUpClasses() and
wxClassInfo::InitializeClasses() in your extensions or when embedding
wxPython.</p>
wx event handlers being called (such as during the call to
os.startfile.)</p>
</div>
-<div class="section" id="two-or-three-phase-create">
-<h1><a name="two-or-three-phase-create">Two (or Three!) Phase Create</a></h1>
+<div class="section">
+<h1><a id="two-or-three-phase-create" name="two-or-three-phase-create">Two (or Three!) Phase Create</a></h1>
<p>If you use the Precreate/Create method of instantiating a window, (for
example, to set an extended style flag, or for XRC handlers) then
there is now a new method named PostCreate to help with transplanting
self.PostCreate(pre)
</pre>
</div>
-<div class="section" id="sizers">
-<h1><a name="sizers">Sizers</a></h1>
+<div class="section">
+<h1><a id="sizers" name="sizers">Sizers</a></h1>
<p>The hack allowing the old "option" keyword parameter has been removed.
-If you use keyword args with w.xSizer Add, Insert, or Prepend methods
-then you will need to use the <tt class="literal"><span class="pre">proportion</span></tt> name instead of
-<tt class="literal"><span class="pre">option</span></tt>. (The <tt class="literal"><span class="pre">proportion</span></tt> keyword was also allowed in 2.4.2.4.)</p>
+If you use keyword args with wx.Sizer Add, Insert, or Prepend methods
+then you will need to use the <tt class="docutils literal"><span class="pre">proportion</span></tt> name instead of
+<tt class="docutils literal"><span class="pre">option</span></tt>. (The <tt class="docutils literal"><span class="pre">proportion</span></tt> keyword was also allowed in 2.4.2.4.)</p>
<p>When adding a spacer to a sizer you now need to use a wx.Size or a
2-integer sequence instead of separate width and height parameters.
This was optionally allowed in 2.4, but now it is required. This
Insert, Prepend, and etc.) methods any longer. Just use Add and the
wrappers will figure out what to do. <strong>[Changed in 2.5.2.x]</strong>
AddWindow, AddSizer, AddSpacer and etc. will now issue a
-DeprecationWarning.</p>
+DeprecationWarning. <strong>[Changed in 2.5.4.x]</strong> These methods have now
+been undeprecated at the request of Riaan Booysen, the Boa Constructor
+team lead. They are now just simple compatibility aliases for Add,
+and etc.</p>
<p><strong>[Changed in 2.5.2.x]</strong> The Sizers have had some fundamental internal
changes in the 2.5.2.x release intended to make them do more of the
"Right Thing" but also be as backwards compatible as possible.
to be its minimal size, and that size would always be used by
default when calculating layout size and positions, and the
sizer itself would keep track of that minimal size.</li>
-<li>If the window item was added with the <tt class="literal"><span class="pre">wx.ADJUST_MINSIZE</span></tt>
-flag then when layout was calculated the item's <tt class="literal"><span class="pre">GetBestSize</span></tt>
+<li>If the window item was added with the <tt class="docutils literal"><span class="pre">wx.ADJUST_MINSIZE</span></tt>
+flag then when layout was calculated the item's <tt class="docutils literal"><span class="pre">GetBestSize</span></tt>
would be used to reset the minimal size that the sizer used.</li>
</ul>
</blockquote>
-<p>The main thrust of the new Sizer changes was to make behaviour like
-<tt class="literal"><span class="pre">wx.ADJUST_MINSIZE</span></tt> be the default, and also to push the tracking of
+<p>The main thrust of the new Sizer changes was to make behavior like
+<tt class="docutils literal"><span class="pre">wx.ADJUST_MINSIZE</span></tt> be the default, and also to push the tracking of
the minimal size to the window itself (since it knows its own needs)
instead of having the sizer take care of it. Consequently these
changes were made:</p>
<blockquote>
<ul class="simple">
-<li>The <tt class="literal"><span class="pre">wx.FIXED_MINSIZE</span></tt> flag was added to allow for the old
-behaviour. When this flag is used the size a window has when
+<li>The <tt class="docutils literal"><span class="pre">wx.FIXED_MINSIZE</span></tt> flag was added to allow for the old
+behavior. When this flag is used the size a window has when
added to the sizer will be treated as its minimal size and it
will not be readjusted on each layout.</li>
-<li>The min size stored in <tt class="literal"><span class="pre">wx.Window</span></tt> and settable with
-<tt class="literal"><span class="pre">SetSizeHints</span></tt> or <tt class="literal"><span class="pre">SetMinSize</span></tt> will by default be used by
+<li>The min size stored in <tt class="docutils literal"><span class="pre">wx.Window</span></tt> and settable with
+<tt class="docutils literal"><span class="pre">SetSizeHints</span></tt> or <tt class="docutils literal"><span class="pre">SetMinSize</span></tt> will by default be used by
the sizer (if it was set) as the minimal size of the sizer item.
If the min size was not set (or was only partially set) then the
window's best size is fetched and it is used instead of (or
-blended with) the min size. <tt class="literal"><span class="pre">wx.Window.GetBestFittingSize</span></tt>
+blended with) the min size. <tt class="docutils literal"><span class="pre">wx.Window.GetBestFittingSize</span></tt>
was added to facilitate getting the size to be used by the
sizers.</li>
<li>The best size of a window is cached so it doesn't need to
-recaculated on every layout. <tt class="literal"><span class="pre">wx.Window.InvalidateBestSize</span></tt>
+recaculated on every layout. <tt class="docutils literal"><span class="pre">wx.Window.InvalidateBestSize</span></tt>
was added and should be called (usually just internally in
control methods) whenever something is done that would make the
best size change.</li>
<li>All wxControls were changed to set the minsize to what is passed
to the constructor or Create method, and also to set the real
size of the control to the blending of the min size and best
-size. <tt class="literal"><span class="pre">wx.Window.SetBestFittingSize</span></tt> was added to help with
+size. <tt class="docutils literal"><span class="pre">wx.Window.SetBestFittingSize</span></tt> was added to help with
this, although most controls don't need to call it directly
-because it is called indirectly via the <tt class="literal"><span class="pre">SetInitialSize</span></tt>
+because it is called indirectly via the <tt class="docutils literal"><span class="pre">SetInitialSize</span></tt>
called in the base classes.</li>
</ul>
</blockquote>
the size set later. It is an easy fix though, just move the
specification of the size to the constructor (assuming that SomeWidget
will set its minsize there like the rest of the controls do) or call
-<tt class="literal"><span class="pre">SetMinSize</span></tt> instead of <tt class="literal"><span class="pre">SetSize</span></tt>.</p>
+<tt class="docutils literal"><span class="pre">SetMinSize</span></tt> instead of <tt class="docutils literal"><span class="pre">SetSize</span></tt>.</p>
<p>In order to fit well with this new scheme of things, all wxControls or
custom controls should do the following things. (Depending on how
they are used you may also want to do the same thing for non-control
custom windows.)</p>
<blockquote>
<ul>
-<li><p class="first">Either override or inherit a meaningful <tt class="literal"><span class="pre">DoGetBestSize</span></tt> method
+<li><p class="first">Either override or inherit a meaningful <tt class="docutils literal"><span class="pre">DoGetBestSize</span></tt> method
that calculates whatever size is "best" for the control. Once
that size is calculated then there should normally be a call to
-<tt class="literal"><span class="pre">CacheBestSize</span></tt> to save it for later use, unless for some
+<tt class="docutils literal"><span class="pre">CacheBestSize</span></tt> to save it for later use, unless for some
reason you want the best size to be recalculated on every
layout.</p>
-<p>Note: In order to successfully override <tt class="literal"><span class="pre">DoGetBestSize</span></tt> in
-Python the class needs to be derived from <tt class="literal"><span class="pre">wx.PyWindow</span></tt>,
-<tt class="literal"><span class="pre">wx.PyControl</span></tt>, or etc. If your class instead derives from
+<p>Note: In order to successfully override <tt class="docutils literal"><span class="pre">DoGetBestSize</span></tt> in
+Python the class needs to be derived from <tt class="docutils literal"><span class="pre">wx.PyWindow</span></tt>,
+<tt class="docutils literal"><span class="pre">wx.PyControl</span></tt>, or etc. If your class instead derives from
one of the standard wx classes then just be sure that the min
size gets explicitly set to what would have been the best size
and things should work properly in almost all situations.</p>
</li>
<li><p class="first">Any method that changes the attributes of the control such that
-the best size will change should call <tt class="literal"><span class="pre">InvalidateBestSize</span></tt> so
+the best size will change should call <tt class="docutils literal"><span class="pre">InvalidateBestSize</span></tt> so
it will be recalculated the next time it is needed.</p>
</li>
<li><p class="first">The control's constructor and/or Create method should ensure
that the minsize is set to the size passed in, and that the
control is sized to a blending of the min size and best size.
-This can be done by calling <tt class="literal"><span class="pre">SetBestFittingSize</span></tt>.</p>
+This can be done by calling <tt class="docutils literal"><span class="pre">SetBestFittingSize</span></tt>.</p>
</li>
</ul>
</blockquote>
</div>
-<div class="section" id="platforminfo">
-<h1><a name="platforminfo">PlatformInfo</a></h1>
+<div class="section">
+<h1><a id="platforminfo" name="platforminfo">PlatformInfo</a></h1>
<p>Added wx.PlatformInfo which is a tuple containing strings that
describe the platform and build options of wxPython. This lets you
know more about the build than just the __WXPORT__ value that
sense to add to this tuple please let me know.</p>
<p>BTW, wx.Platform will probably be deprecated in the future.</p>
</div>
-<div class="section" id="activex">
-<h1><a name="activex">ActiveX</a></h1>
+<div class="section">
+<h1><a id="activex" name="activex">ActiveX</a></h1>
<p>Lindsay Mathieson's newest <a class="reference" href="http://members.optusnet.com.au/~blackpaw1/wxactivex.html">wxActiveX</a> class has been wrapped into a new
extension module called wx.activex. It is very generic and dynamic
and should allow hosting of arbitray ActiveX controls within your
this in the handler for the iewin.EVT_NewWindow2 event:</p>
<pre class="literal-block">
def OnNewWindow2(self, evt):
- evt.Cancel = True
+ evt.Cancel = True
</pre>
<p>So how do you know what methods, events and properties that an ActiveX
control supports? There is a funciton in wx.activex named GetAXInfo
genaxmodule tool. Beyond that you'll need to consult the docs
provided by the makers of the ActiveX control that you are using.</p>
</div>
-<div class="section" id="png-images">
-<h1><a name="png-images">PNG Images</a></h1>
+<div class="section">
+<h1><a id="png-images" name="png-images">PNG Images</a></h1>
<p>Prior to 2.5 the PNG image handler would convert all alpha channel
information to a mask when the image was loaded. Pixels that were
more than halfway transparent would be made fully transparent by the
channel and will now only create a mask when all the pixels in the
image are either fully transparent or fully opaque. In addition, the
wx.DC.DrawBitmap and wx.DC.Blit methods are able to correctly blend
-the pixels in the image with partially transparent alpha values.
-(Currently only on MSW and Mac, if anybody knows how to do it for GTK
-then please submit a patch!)</p>
+the pixels in the image with partially transparent alpha values.</p>
<p>If you are using a PNG with an alpha channel but you need to have a
wx.Mask like you automatically got in 2.4 then you can do one of the
following:</p>
</ul>
</blockquote>
</div>
-<div class="section" id="ogl-is-dead-long-live-ogl">
-<h1><a name="ogl-is-dead-long-live-ogl">OGL is dead! LONG LIVE OGL!</a></h1>
+<div class="section">
+<h1><a id="ogl-is-dead-long-live-ogl" name="ogl-is-dead-long-live-ogl">OGL is dead! LONG LIVE OGL!</a></h1>
<p><strong>[Changed in 2.5.2.x]</strong></p>
-<p>The wx.ogl module has been deprecated in favor of the new Python port
-of the OGL library located at wx.lib.ogl contributed by Pierre Hjälm.
-This will hopefully greatly extend the life of OGL within wxPython by
-making it more easily maintainable and less prone to getting rusty as
-there seems to be less and less interest in maintaining the C++
-version.</p>
+<p>The wx.ogl module was deprecated in version 2.5.2 in favor of the new
+Python port of the OGL library located at wx.lib.ogl contributed by
+Pierre Hjälm. Starting in version 2.5.5 the old ogl is no longer
+being built in the distributed binaries, however the source code is
+still in the source tree so people can built it themselves if desired.</p>
+<p>The reason this changes was done was to greatly extend the life of OGL
+within wxPython by making it more easily maintainable and less prone
+to getting rusty as there seems to be less and less interest in
+maintaining the C++ version.</p>
<p>There are only a few known compatibility issues at this time. First
-is that the ogl.DrawnShape has not been reimplemented yet. Next is the
-location of OGL. The deprecated version is located in the wx.ogl
-module, and the new version is in the wx.lib.ogl package. So this
-just means that to start using the new version you need to adjust your
-imports. So if your code currently has something like this:</p>
+is the location of OGL. The old version was located in the
+wx.ogl module, and the new version is in the wx.lib.ogl package. So
+this just means that to start using the new version you need to adjust
+your imports. So if your code currently has something like this:</p>
<pre class="literal-block">
import wx
import wx.ogl as ogl
...
def OnSizingEndDragLeft(self, pt, x, y, keys, attch):
ogl.DividedShape.OnSizingEndDragLeft(self, pt, x, y, keys, attch)
- ...
+ ...
</pre>
</div>
-<div class="section" id="obsolete-modules">
-<h1><a name="obsolete-modules">Obsolete Modules</a></h1>
+<div class="section">
+<h1><a id="obsolete-modules" name="obsolete-modules">Obsolete Modules</a></h1>
<p>Instead of over a dozen separate extension modules linked together
into a single extension module, the "core" module is now just a few
extensions that are linked independently, and then merged together
<p>The help module no longer exists and the classes therein are now part
of the core module imported with wxPython.wx or the wx package.</p>
</div>
-<div class="section" id="wx-taskbaricon">
-<h1><a name="wx-taskbaricon">wx.TaskBarIcon</a></h1>
+<div class="section">
+<h1><a id="wx-taskbaricon" name="wx-taskbaricon">wx.TaskBarIcon</a></h1>
<p><strong>[Changed in 2.5.3.x]</strong></p>
<p>wx.TaskbarIcon now works on all three platforms, although for wxGTK it
depends on support from the Window Manager. On OS X the icon replaces
you want the app to keep running with just the icon in the task bar
and the MainLoop will not exit.</p>
</div>
-<div class="section" id="version-number-change">
-<h1><a name="version-number-change">Version Number Change</a></h1>
+<div class="section">
+<h1><a id="version-number-change" name="version-number-change">Version Number Change</a></h1>
<p><strong>[Changed in 2.5.3.x]</strong></p>
<p>Starting with 2.5.3.0 the Unicode versions of wxPython will no longer
have a 'u' appended to the fourth component of the version number.
...
</pre>
</div>
-<div class="section" id="multi-version-installs">
-<h1><a name="multi-version-installs">Multi-Version Installs</a></h1>
+<div class="section">
+<h1><a id="multi-version-installs" name="multi-version-installs">Multi-Version Installs</a></h1>
<p><strong>[Changed in 2.5.3.x]</strong></p>
-<p>Starting with 2.5.3.0 the wx and wxPython pacakge directories will be
+<p>Starting with 2.5.3.0 the wx and wxPython package directories will be
installed in a subdirectory of the site-packages directory, instead of
-directly in site-pacakges. This is done to help facilitate having
+directly in site-packages. This is done to help facilitate having
multiple versions of wxPython installed side-by-side. Why would you
want to do this? One possible scenario is you have an app that
requires wxPython 2.4 but you want to use the newest 2.5 to do your
-development with. Or perhaps you want to be able to test your app
+own development with. Or perhaps you want to be able to test your app
with several different versions of wxPython to ensure compatibility.
Before everyone panics, rest asured that if you only install one
-version of wxPython then you should notice no difference in how
-things work.</p>
+version of wxPython then you should notice no difference in how things
+work.</p>
<p>In addition to installing wxPython into a "versioned" subdirectory of
site-packages, a file named <cite>wx.pth</cite> is optionally installed that will
contain the name of the versioned subdirectory. This will cause that
subdirectory to be automatically added to the sys.path and so doing an
-"import wx" will find the package in the subdirectory like like it
-would have if it was still located directly in site-packages. I say
+"import wx" will find the package in the subdirectory like it would
+have if it was still located directly in site-packages. I say
"optionally" above because that is how you can control which install
of wxPython is the default one. Which ever version installs the
wx.pth file will be the one that is imported with a plain "import wx"
wx.pth file, or by setting PYTHONPATH in the environment, or by the
method described in the next paragraph.</p>
<p>Finally, a new module named wxversion.py is installed to the
-site-pacakges directory. It can be used to manipulate the sys.path at
+site-packages directory. It can be used to manipulate the sys.path at
runtime so your applications can select which version of wxPython they
would like to to have imported. You use it like this:</p>
<pre class="literal-block">
import wxversion
-wxversion.require("2.4")
+wxversion.select("2.4")
import wx
</pre>
-<p>Then eventhough a 2.5 version of wxPython may be the default the
+<p>Then even though a 2.5 version of wxPython may be the default the
application that does the above the first time that wx is imported
will actually get a 2.4 version. <strong>NOTE:</strong> There isn't actually a 2.4
version of wxPython that supports this, but there will be.</p>
<p>Please see this wiki page for more details, HowTo's and FAQ's:
<a class="reference" href="http://wiki.wxpython.org/index.cgi/MultiVersionInstalls">http://wiki.wxpython.org/index.cgi/MultiVersionInstalls</a></p>
</div>
-<div class="section" id="miscellaneous-stuff">
-<h1><a name="miscellaneous-stuff">Miscellaneous Stuff</a></h1>
+<div class="section">
+<h1><a id="miscellaneous-stuff" name="miscellaneous-stuff">Miscellaneous Stuff</a></h1>
<p>wxPyDefaultPosition and wxPyDefaultSize are gone. Use the
wxDefaultPosition and wxDefaultSize objects instead.</p>
<p>Similarly, the wxSystemSettings backwards compatibiility aliases for
projects / wxWidgets.git / blobdiff