X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4efdef2c87d09736304fcc41d312fa80ad544b92..32485259c1342115488d219776dfebeb3d4d81b1:/wxPython/docs/MigrationGuide.txt diff --git a/wxPython/docs/MigrationGuide.txt b/wxPython/docs/MigrationGuide.txt index d93ad9b85f..9dd3ca2c10 100644 --- a/wxPython/docs/MigrationGuide.txt +++ b/wxPython/docs/MigrationGuide.txt @@ -1,9 +1,9 @@ ============================ -wxPython 2.5 Migration Guide +wxPython 2.6 Migration Guide ============================ 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 CHANGES_ file like usual to see info about the not so major changes and other things that have been added to wxPython. @@ -339,8 +339,8 @@ Building, Extending and Embedding wxPython 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 -libraries in addition to the main wx lib. +aware that you now need to also build the stc, xrc, animate and gizmos +libraries in addition to the main wx lib. The wxPython.h and other header files are now in .../wxPython/include/wx/wxPython instead of in wxPython/src. You @@ -403,7 +403,7 @@ Sizers ------ The hack allowing the old "option" keyword parameter has been removed. -If you use keyword args with w.xSizer Add, Insert, or Prepend methods +If you use keyword args with wx.Sizer Add, Insert, or Prepend methods then you will need to use the ``proportion`` name instead of ``option``. (The ``proportion`` keyword was also allowed in 2.4.2.4.) @@ -425,7 +425,10 @@ You should not use AddWindow, AddSizer, AddSpacer (and similar for Insert, Prepend, and etc.) methods any longer. Just use Add and the wrappers will figure out what to do. **[Changed in 2.5.2.x]** AddWindow, AddSizer, AddSpacer and etc. will now issue a -DeprecationWarning. +DeprecationWarning. **[Changed in 2.5.4.x]** 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. **[Changed in 2.5.2.x]** The Sizers have had some fundamental internal changes in the 2.5.2.x release intended to make them do more of the @@ -441,14 +444,14 @@ First a bit about how things used to work: flag then when layout was calculated the item's ``GetBestSize`` would be used to reset the minimal size that the sizer used. -The main thrust of the new Sizer changes was to make behaviour like +The main thrust of the new Sizer changes was to make behavior like ``wx.ADJUST_MINSIZE`` 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: * The ``wx.FIXED_MINSIZE`` flag was added to allow for the old - behaviour. When this flag is used the size a window has when + 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. @@ -669,8 +672,6 @@ 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!) 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 @@ -690,19 +691,22 @@ OGL is dead! LONG LIVE OGL! **[Changed in 2.5.2.x]** -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. +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. + +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. 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:: +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:: import wx import wx.ogl as ogl @@ -845,24 +849,24 @@ Multi-Version Installs **[Changed in 2.5.3.x]** -Starting with 2.5.3.0 the wx and wxPython pacakge directories will be +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. +version of wxPython then you should notice no difference in how things +work. In addition to installing wxPython into a "versioned" subdirectory of site-packages, a file named `wx.pth` 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" @@ -871,15 +875,15 @@ wx.pth file, or by setting PYTHONPATH in the environment, or by the method described in the next paragraph. 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:: import wxversion - wxversion.require("2.4") + wxversion.select("2.4") import wx -Then eventhough a 2.5 version of wxPython may be the default the +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. **NOTE:** There isn't actually a 2.4 version of wxPython that supports this, but there will be.