X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fd34e3a57091ea00f576647343a506a4a56ea827..ca8b28f2efff34b9939035a7aeb1de1e3ac98a0c:/docs/latex/wx/wxPython.tex diff --git a/docs/latex/wx/wxPython.tex b/docs/latex/wx/wxPython.tex index f713998c85..28c0f1ecc7 100644 --- a/docs/latex/wx/wxPython.tex +++ b/docs/latex/wx/wxPython.tex @@ -3,15 +3,17 @@ \setheader{{\it CHAPTER \thechapter}}{}{}{}{}{{\it CHAPTER \thechapter}}% \setfooter{\thepage}{}{}{}{}{\thepage}% +This addendum is written by Robin Dunn, author of the wxPython wrapper + %---------------------------------------------------------------------- \section{What is wxPython?}\label{wxpwhat} -wxPython is a blending of the wxWindows GUI classes and the +wxPython is a blending of the wxWindows GUI classes and the \urlref{Python}{http://www.python.org/} programming language. \wxheading{Python} -So what is Python? Go to +So what is Python? Go to \urlref{http://www.python.org}{http://www.python.org} to learn more, but in a nutshell Python is an interpreted, interactive, object-oriented programming language. It is often @@ -43,18 +45,17 @@ applications, or in situations where Python is embedded in a C++ application as an internal scripting or macro language. Currently wxPython is available for Win32 platforms and the GTK -toolkit (wxGTK) on most *nix/X-windows platforms. The effort to -enable wxPython for wxMotif will begin shortly. See \helpref{Building -Python}{wxpbuild} for details about getting wxPython working for you. +toolkit (wxGTK) on most Unix/X-windows platforms. The effort to +enable wxPython for wxMotif will begin shortly. See \helpref{Building Python}{wxpbuild} for +details about getting wxPython working for you. %---------------------------------------------------------------------- \section{Why use wxPython?}\label{wxpwhy} - So why would you want to use wxPython over just C++ and wxWindows? -Personally I prefer using Python for everything. I only use C++ when -I absolutly have to eek more performance out of an algorithm, and even +Personally I prefer using Python for everything. I only use C++ when +I absolutely have to eek more performance out of an algorithm, and even then I ususally code it as an extension module and leave the majority of the program in Python. @@ -66,7 +67,6 @@ application in a few hours with Python that would normally take a few days or longer with C++. Converting a wxPython app to a C++/wxWindows app should be a straight forward task. - %---------------------------------------------------------------------- \section{Other Python GUIs}\label{wxpother} @@ -118,7 +118,6 @@ cross-platform compatible. See \urlref{this link}{http://www.python.org/download/Contributed.html\#Graphics} for a listing of a few of them. - %---------------------------------------------------------------------- \section{Building wxPython}\label{wxpbuild} @@ -135,7 +134,7 @@ make won't attempt to build them from the .i files. I added a few minor features to SWIG to control some of the code generation. If you want to play around with this the patches are in wxPython/SWIG.patches and they should be applied to the 1.1p5 version -of SWIG. These new patches are documented at +of SWIG. These new patches are documented at \urlref{this site}{http://starship.skyport.net/crew/robind/python/\#swig}, and they should also end up in the 1.2 version of SWIG. @@ -146,10 +145,9 @@ should be named wxPython.) You can control where the build process will dump wxPython by setting the \tt{TARGETDIR} makefile variable. The default is \tt{\$(WXWIN)/utils/wxPython}. If you leave it here then you should add \tt{\$(WXWIN)/utils} to your \tt{PYTHONPATH}. -However, you may prefer to use something that is already on your +However, you may prefer to use something that is already on your \tt{PYTHONPATH}, such as the \tt{site-packages} directory on Unix - systems. - +systems. \wxheading{Win32} @@ -163,34 +161,26 @@ specified below. \item Build wxWindows with \tt{wxUSE_RESOURCE_LOADING_IN_MSW} set to 1 in \tt{include/wx/msw/setup.h} so icons can be loaded dynamically. While there, make sure \tt{wxUSE_OWNER_DRAWN} is also set to 1. - \item Change into the \tt{\$(WXWIN)/utils/wxPython/src} directory. - \item Edit makefile.vc and specify where your python installation is at. You may also want to fiddle with the \tt{TARGETDIR} variable as described above. - \item Run \tt{nmake -f makefile.vc} - \item If it builds successfully, congratulations! Move on to the next step. If not then you can try mailing the wxwin-developers list for -help. Also, I will always have a pre-built win32 version of this extension module at +help. Also, I will always have a pre-built win32 version of this extension module at \urlref{http://alldunn.com/wxPython}{http://alldunn.com/wxPython}. - \item Change to the \tt{\$(WXWIN)/utils/wxPython/tests} directory. - \item Try executing the test programs. Note that some of these print diagnositc or test info to standard output, so they will require the console version of python. For example: - \tt{python test1.py} +\tt{python test1.py} To run them without requiring a console, you can use the \tt{pythonw.exe} version of Python either from the command line or from a shortcut. - \end{enumerate} - \wxheading{Unix} These directions assume that you have already successfully built @@ -203,29 +193,23 @@ with the development libraries, etc. that you will need to install. \begin{enumerate}\itemsep=0pt \item Change into the \tt{\$(WXWIN)/utils/wxPython/src} directory. - \item Edit \tt{Setup.in} and ensure that the flags, directories, and toolkit options are correct, (hopefully this will be done by \tt{configure} soon.) See the above commentary about \tt{TARGETDIR}. There are a few sample Setup.in.[platform] files provided. - \item Run this command to generate a makefile: - \tt{make -f Makefile.pre.in boot} +\tt{make -f Makefile.pre.in boot} -\item Once you have the \tt{Makefile}, run \bftt{make} to build and then +\item Once you have the \tt{Makefile}, run \bftt{make} to build and then \bftt{make install} to install the wxPython extension module. - \item Change to the \tt{\$(WXWIN)/utils/wxPython/tests} directory. - \item Try executing the test programs. For example: - \tt{python test1.py} - +\tt{python test1.py} \end{enumerate} - %---------------------------------------------------------------------- \section{Using wxPython}\label{wxpusing} @@ -325,13 +309,14 @@ it by issuing this command: \end{verbatim} \hrule -\wxheading{Things to notice:}\begin{enumerate}\itemsep=0pt +\wxheading{Things to notice} + +\begin{enumerate}\itemsep=0pt \item At line 2 the wxPython classes, constants, and etc. are imported into the current module's namespace. If you prefer to reduce namespace polution you can use "\tt{from wxPython import wx}" and then access all the wxPython identifiers through the wx module, for example, "\tt{wx.wxFrame}". - \item At line 13 the frame's sizing and moving events are connected to methods of the class. These helper functions are intended to be like the event table macros that wxWindows employs. But since static event @@ -339,20 +324,17 @@ tables are impossible with wxPython, we use helpers that are named the same to dynamically build the table. The only real difference is that the first arguemnt to the event helpers is always the window that the event table entry should be added to. - -\item Notice the use of \tt{wxDLG_PNT} and \tt{wxDLG_SZE} in lines 19 +\item Notice the use of \tt{wxDLG\_PNT} and \tt{wxDLG\_SZE} in lines 19 - 29 to convert from dialog units to pixels. These helpers are unique to wxPython since Python can't do method overloading like C++. - \item There is an \tt{OnCloseWindow} method at line 34 but no call to -EVT_CLOSE to attach the event to the method. Does it really get -called? The answer is, yes it does. This is because many of the +EVT\_CLOSE to attach the event to the method. Does it really get +called? The answer is, yes it does. This is because many of the \em{standard} events are attached to windows that have the associated \em{standard} method names. I have tried to follow the lead of the C++ classes in this area to determine what is \em{standard} but since that changes from time to time I can make no guarentees, nor will it -be fully documented. When in doubt, use an EVT_*** function. - +be fully documented. When in doubt, use an EVT\_*** function. \item At lines 17 to 21 notice that there are no saved references to the panel or the static text items that are created. Those of you who know Python might be wondering what happens when Python deletes @@ -361,16 +343,14 @@ don't. Remember that in wxPython the Python objects are just shadows of the coresponding C++ objects. Once the C++ windows and controls are attached to their parents, the parents manage them and delete them when necessary. For this reason, most wxPython objects do not need to -have a __del__ method that explicitly causes the C++ object to be +have a \_\_del\_\_ method that explicitly causes the C++ object to be deleted. If you ever have the need to forcibly delete a window, use the Destroy() method as shown on line 36. - \item Just like wxWindows in C++, wxPython apps need to create a class -derived from \tt{wxApp} (line 56) that implements a method named +derived from \tt{wxApp} (line 56) that implements a method named \tt{OnInit}, (line 59.) This method should create the application's main window (line 62) and use \tt{wxApp.SetTopWindow()} (line 66) to inform wxWindows about it. - \item And finally, at line 72 an instance of the application class is created. At this point wxPython finishes initializing itself, and calls the \tt{OnInit} method to get things started. (The zero parameter here is @@ -378,11 +358,8 @@ a flag for functionality that isn't quite implemented yet. Just ignore it for now.) The call to \tt{MainLoop} at line 73 starts the event loop which continues until the application terminates or all the top level windows are closed. - \end{enumerate} - - %---------------------------------------------------------------------- \section{wxWindows classes implemented in wxPython}\label{wxpclasses} @@ -461,7 +438,7 @@ as possible to the C++ spec over time. \item \helpref{wxMoveEvent}{wxmoveevent} \item \helpref{wxNotebookEvent}{wxnotebookevent} \item \helpref{wxNotebook}{wxnotebook} -\item \helpref{wxPageSetupData}{wxpagesetupdata} +\item \helpref{wxPageSetupDialogData}{wxpagesetupdialogdata} \item \helpref{wxPageSetupDialog}{wxpagesetupdialog} \item \helpref{wxPaintDC}{wxpaintdc} \item \helpref{wxPaintEvent}{wxpaintevent} @@ -520,7 +497,7 @@ as possible to the C++ spec over time. \section{Where to go for help}\label{wxphelp} Since wxPython is a blending of multiple technologies, help comes from -multiple sources. See +multiple sources. See \urlref{http://alldunn.com/wxPython}{http://alldunn.com/wxPython} for details on various sources of help, but probably the best source is the wxPython-users mail list. You can view the archive or subscribe by @@ -532,8 +509,3 @@ Or you can send mail directly to the list using this address: wxpython-users@starship.python.net - - - - -