class to either the main wxWidgets manual, or to their own
manual.
-wxWidgets uses Tex2RTF to process Latex-like input files (.tex)
-and output in HTML, WinHelp RTF and Word RTF. Tex2RTF is provided
-in the wxWidgets distribution and in the CVS archive, under
-utils/tex2rtf. Please start by perusing the Tex2RTF manual.
-See http://www.wxwidgets.org/tex2rtf/index.htm for a browseable
-manual and binaries for specific platforms.
-
-If adding to the existing manual in docs/latex/wx, you need to
-create a new .tex file, e.g. myclass.tex, and add it to the
-list of classes in classes.tex (in strict alphabetical order).
-You may also want to write a separate topic file, e.g. tmyclass.tex,
-and add the entry to topics.tex. If applicable, also add an entry
-to category.tex.
-
-If compiling a separate manual, copy an existing set of files from the
-wxWidgets manual or a contribution. Contribution documentation
-normally goes in the contrib/docs hierarchy, with the source
-going in a latex/mycontrib subdirectory.
-
-You can generate a first pass at the myclass.tex file by
-compiling and running HelpGen (utils/helpgen).
-
-Running Tex2RTF
-===============
-
-See the Tex2RTF documentation, but here are some forms:
-
-For HTML:
+wxWidgets uses Doxygen to process header input files with embedded
+documentation in the form of C++ comments and output in HTML, and XML
+(Doxygen itself can also output Latex, manpages, RTF, PDF etc).
+See http://www.doxygen.org for more info about Doxygen.
- tex2rtf manual.tex manual.htm -html -twice
+If you want to add documentation of a new class/function to the
+existing manual in docs/doxygen, you need to create a new .h file,
+e.g. myclass.h, under the interface folder, which contains the public
+interface of the new class/function in C++ syntax.
+The documentation can then be added in form of Doxygen comments to
+the header file.
-Use of -twice allows Tex2RTF to resolve references. Note that
-if both filenames are given (first two parameters on the command
-line) then Tex2RTF will run in non-interactive mode.
+You may also want to write a separate topic file,
+e.g. docs/doxygen/overviews/myclass.h, and add the entry to
+docs/doxygen/mainpages/topics.h.
-For WinHelp RTF:
+If applicable, also add an entry to docs/doxygen/mainpages/categories.h.
- tex2rtf manual.tex manual.rtf -winhelp -twice
+You can generate a first raw version of myclass.h simply taking its
+"real" header and removing all the private and protected sections and
+in general removing everything the user "shouldn't know": i.e. all things
+which are implementation details.
-For Word RTF:
- tex2rtf manual.tex manual.rtf -rtf -twice
+Running Doxygen
+===============
-If you wish to have a GUI display show the status of what is happening
-as the conversion is happening, use the '-interactive' command line
-parameter, and then choose FILE|GO from the menu. For example:
+First, make sure you have a recent version of Doxygen installed in your system.
- tex2rtf manual.tex manual.rtf -rtf -twice -interactive
+For HTML:
-NOTE: You must be using the latest tex2rtf which was released with
-v2.2.0 of wxWidgets to use the -interactive switch
+ 1) cd wxWidgets/docs/doxygen
+ 2) run ./regen.sh [Unix] or regen.bat [Windows]
-If you wish to generate documentation for wxHTML Help Viewer
-(or Windows HTML Help), set htmlWorkshopFiles to true in your
-tex2rtf.ini file. See also the wxHTML Notes section in the
-wxWidgets manual. To further speed-up HTML help books loading
-in your application, you may use hhp2cached (utils/hhp2cached).
+[TODO: istructions for generation of other formats]
-src/msw/makefile.vc contains targets for generating various
-formats of documentation. You may like to do something similar if
-writing your own manual.
Important Dos and Don'ts
========================
DO:
-- put a space (or \rtfsp) at the end of a line or start of a line where
- a command ends or starts the line. Otherwise, spaces will be
- omitted in Word or WinHelp RTF. For example:
+- Doxygen supports both commands in the form \command and @command;
+ all wxWidgets documentation uses the @command form.
+
+- strive to use dedicated Doxygen commands for e.g. notes, lists,
+ sections, etc. The "Special commands" page:
+ http://www.stack.nl/~dimitri/doxygen/commands.html
+ is your friend!
+ It's also very important to make a consistent use of the ALIASES
+ defined by wxWidgets' Doxyfile. Open that file for more info.
- See \helpref{wxBitmap::wxBitmap}{wxbitmapconstr}\rtfsp
- for a list of possible values.
+- when you write true, false and NULL with their C++ semantic meaning,
+ then use the @true, @false and @NULL commands.
-- leave a blank line at the end of the class file. This is
- important, or the Word RTF table of contents will be messed up.
+- separe different paragraphs with an empty comment line.
+ This is important otherwise Doxygen puts everything in the same
+ paragraph making the result less readable.
-- leave a blank line between a heading and the next paragraph.
+- leave a blank comment line between a @section, @subsection, @page
+ and the next paragraph.
-- test your changes, preferably converting the manual to WinHelp
- format and running through the Windows help compiler to check
- for missing labels, etc.
+- test your changes, both reading the generated HTML docs and by looking
+ at the "doxygen.log" file produced (which will warn you about any
+ eventual mistake found in the comments).
-- quote all '_' and '&' characters with a '\' character (e.g. "MY\_PROGRAM"
- unless the '_' is inside a comment or a \begin{verbatim} ...
- \end{verbatim} block
+- quote all the following characters prefixing them with a "@" char:
-- check that your changes/additions to any TEX documentation
- compiles before checking it in! Use the '-checkcurlybraces'
- and '-checksyntax' commandline parameters (or the OPTIONS menu
- if running in GUI mode) to check for some of the more common
- mistakes. See TROUBLESHOOTING below for more details
+ @ $ \ & < > # %
+- when using a Doxygen alias like @itemdef{}, you need to escape the
+ comma characters which appear on the first argument, otherwise Doxygen
+ will interpret them as the marker of the end of the first argument and
+ the beginning of the second argument's text.
+
+ E.g. if you want to define the item "wxEVT_MACRO(id, func)" you need to
+ write:
+ @itemdef{wxEVT_MACRO(id\, func), This is the description of the macro}
+
+ Also note that you need to escape only the commas of the first argument's text;
+ second argument can have up to 10 commas unescaped (see the Doxyfile for the
+ trick used to implement this).
DON'T:
The manual is intended to be a fluent, English document and
not a collection of rough notes.
-- use non-alphanumeric characters in labels.
-
-- use incompatible Latex syntax, such as {\it \bf word} (use a pair
- of braces for each formatting command).
-
-- leave multiple consecutive blank lines, or blank lines between
- \items in a list.
+- use non-alphanumeric characters in link anchors.
-- use \verb$....$ syntax. Instead use \tt{....} syntax
-
-- add the following tokens anywhere except on a line by themselves:
- \begin{verbatim}
- \begin{toocomplex}
- \end{verbatim}
- \end{toocomplex}
- \verb
- \begin{comment}
- \end{comment}
- \verbatiminput
- \par
- \input
- \helpinput
- \include
-
-
-Troubleshooting
-===============
-Please see the troubleshooting section in the Tex2RTF manual, but
-here is one important tip:
-
- If you get a "Macro not found: \end{document}" error,
- this is a spurious side-effect of an earlier error, usually an
- incorrect number of arguments to a command. The location of the
- true error is then anywhere in the document.
-
- To home in on the error, try putting \begin{comment}...\end{comment}
- around much of the document, and then move the \begin{comment}
- line down until the error manifests itself again. Note that
- you can abort Tex2RTF after the syntax error stage by clicking
- on the close button, so you don't have to wait while the whole
- document is processed.
-
- Before looking at a file in detail, you can comment out the
- \input{myclass.tex} line in classes.tex using the single
- line comment character (%) to see whether it was that file that
- caused the problem.
-
- When making changes/additions to the documentation, always use
- the '-checkcurlybraces' and '-checksyntax' commandline parameters
- (or turn these options on in the GUI version via the OPTIONS menu
- choice), BEFORE checking in your changes. These two debugging
- options will catch many of the more common mistakes that are made
- while writing documents, plus they will catch some of the uses
- of TeX that are correct syntax-wise, but that tex2rtf cannot
- handle properly, and report the problems (usually along with
- a filename and line number that they occur in!) in the programs
- output window (GUI mode).
-
-Elements in a class file
-========================
+Documentation comment for a class
+=================================
Start off with:
-\section{\class{wxMyClass}}\label{wxmyclass}
-
-(note that labels can only go on sections such as \chapter,
-\section, \subsection, \membersection, but not on \wxheading, for
-example.)
-
-Describe the class briefly.
-
-Then there are several \wxheading sections:
-
-\wxheading{Derived from}
-
-List the base classes, with line breaks following each one (\\)
-except the last.
-
-\wxheading{Include files}
+/**
+ * @class wxMyClass
+ * @headerfile wx/myclass.h
+ *
+ * ...here goes the description...
+ *
+ * @beginEventTable
+ * @event{EVT_SOME_EVENT(id, func)}:
+ * Description for EVT_SOME_EVENT.
+ * @endEventTable
+ *
+ * @beginStyleTable
+ * @style{wxSOME_STYLE}:
+ * Description for wxSOME_STYLE.
+ * ...
+ * @endStyleTable
+ *
+ * @beginExtraStyleTable
+ * @style{wxSOME_EXTRA_STYLE}:
+ * Description for wxSOME_EXTRA_STYLE.
+ * ...
+ * @endExtraStyleTable
+ *
+ * @library{wxbase}
+ * @stdobjects
+ * ...here goes the list of predefined instances...
+ *
+ * @seealso
+ * ...here goes the see-also list...
+ * you can make references to topic overviews or other
+ * manual pages using the @ref command
+ */
+
+Note that the events, styles and extra-styles tables as
+well as @stdobjects and @seealso lists are optional.
+
+Also note that you shouldn't use the Doxygen builtin @sa command
+for the see-also list but rather the wxWidgets' alias @seealso
+in this case.
+
+
+Documentation comment for a function
+====================================
-List the relevant include files, for example:
-
-<wx/myclass.h>
-
-\wxheading{Predefined objects}
-
-List any predefined objects, such as:
-
-{\bf wxNullMyClass}
-
-\wxheading{See also}
-
-List any relevant classes or topics, using \helpref.
+Start off with:
-\latexignore{\rtfignore{\wxheading{Members}}}
+/**
+ * ...here goes the description of the function....
+ *
+ * @param param1
+ * ...here goes the description for the first parameter of this function
+ * @param param2
+ * ...here goes the description for the second parameter of this function
+ * ...
+ *
+ * @return
+ * ...here goes the description of what the function returns...
+ *
+ * @note ...here go any eventual notes about this function...
+ *
+ * @remarks ...here go any eventual remarks about this function...
+ *
+ * @sa ...here goes the see-also list...
+ */
-This generates the required heading for the member definitions.
-Put the constructors first, then in alphabetical order, the other
-members.
+Note that the @return, @note, @remarks, @sa commands are optional.
-Here's an example of documentation for a member function:
+Also note that unlike for class' description, you should use the doxygen
+builtin @sa command here for see-also lists.
- --------------------:x-----------------------
+The @param command has an optional attribute specifying the direction of
+the attribute. Possible values are "in" and "out". E.g.
-\membersection{wxBitmap::Create}\label{wxbitmapcreate}
+/**
+ * Copies bytes from a source memory area to a destination memory area,
+ * where both areas may not overlap.
+ * @param[out] dest The memory area to copy to.
+ * @param[in] src The memory area to copy from.
+ * @param[in] n The number of bytes to copy.
+ * @param[in,out] pmisc Used both as input and as output.
+ */
+void func(void *dest, const void *src, size_t n, void *pmisc);
-\func{virtual bool}{Create}{\param{int}{ width}, \param{int}{ height},
- \param{int}{ depth = -1}}
-Creates a fresh bitmap. If the final argument is omitted, the display depth of
-the screen is used.
+Documentation comment for a topic overview
+==========================================
-\func{virtual bool}{Create}{\param{void*}{ data}, \param{int}{ type},
- \param{int}{ width}, \param{int}{ height}, \param{int}{ depth = $-1$}}
+Topic overviews are stored inside the docs/doxygen/overviews folder
+and are completely placed inside a single comment block in the form of:
-Creates a bitmap from the given data, which can be of arbitrary type.
+/*!
-\wxheading{Parameters}
+ @page overview_tname wxSomeStuff overview
-\docparam{width}{The width of the bitmap in pixels.}
+ This page provides an overview of the wxSomeStuff and related classes.
+ ....
-\docparam{height}{The height of the bitmap in pixels.}
+ @li @ref overview_tname_intro
+ @li @ref overview_tname_details
+ ...
-\docparam{depth}{The depth of the bitmap in pixels. If this is -1, the screen depth is used.}
+ <hr>
-\docparam{data}{Data whose type depends on the value of {\it type}.}
-\docparam{type}{A bitmap type identifier - see \helpref{wxBitmap::wxBitmap}{wxbitmapconstr} for a list
-of possible values.}
+ @section overview_tname_intro Introduction
-\wxheading{Return value}
+ ...here goes the introduction to this topic...
-\true if the call succeeded, \false otherwise.
-\wxheading{Remarks}
+ @section overview_tname_details Details
-The first form works on all platforms. The portability of the second form depends on the
-type of data.
+ ...here go the details to this topic...
-\wxheading{See also}
+*/
-\helpref{wxBitmap::wxBitmap}{wxbitmapconstr}
+Note that there is a convention in the anchor link names.
+Doxygen in fact requires that for each @page, @section, @subsection, etc tag,
+there is a corresponding link anchor.
- --------------------:x-----------------------
+The following conventions are used in wxWidgets doxygen comments:
-Note the use of \docparam to document parameters; and the fact
-that several overloaded forms of the same member function are
-documented within the same \membersection.
+1) all "main" pages of the manual (those which are placed in docs/doxygen/mainpages)
+ have link anchors which begin with "page_"
+2) all topic overviews (those which are placed in docs/doxygen/overviews) have link
+ anchors which begin with "overview_"
-Special forms:
+3) all @section, @subsection, @subsubsection tags should have as link anchor name
+ the name of the parent section plus a specific word separed with an underscore; e.g.:
-- for a const member function use \constfunc{} instead of \const
+/*!
-- for a function without parameters use \func{...}{Function}{\void}
+ @page overview_tname wxSomeStuff overview
-- but do NOT use \void for functions without return value, just "void"
+ @section overview_tname_intro Introduction
+ @subsection overview_tname_intro_firstpart First part
+ @subsection overview_tname_intro_secondpart Second part
+ @subsubsection overview_tname_intro_secondpart_sub Second part subsection
+ @subsection overview_tname_intro_thirdpart Third part
-- for a virtual/static member function use \func{virtual/static ...}
+ @section overview_tname_details Details
+ ...
-- omit the return type for constructors: \func{}{MyClass}{...}
+*/
-- use \destruct macro for the destructors \func{}{\destruct{MyClass}}{\void}
-- use \true and \false instead of true/TRUE/{\tt true}/...
+=== EOF ===
-- use \arg{paramname} to refer to the argument inside of the function
- description
+Author: FM (under the lines of the previous technote about tex2rtf)
+Version: $Id$