-\section{Preprocesser symbols defined by wxWindows}\label{cppconst}
+\section{Preprocesser symbols defined by wxWidgets}\label{cppconst}
-Here is the list of preprocessor symbols used in the wxWindows source grouped
+Here is the list of preprocessor symbols used in the wxWidgets source grouped
by category (and sorted by alphabetical order inside each category).
-\subsection{GUI system}
+\subsection{GUI system}\label{guisystemconst}
\begin{twocollist}\itemsep=0pt
\twocolitem{\_\_WINDOWS\_\_}{any Windows, yom may also use \_\_WXMSW\_\_}
-\twocolitem{\_\_WIN16\_\_}{Win16 API}
+\twocolitem{\_\_WIN16\_\_}{Win16 API (not supported since wxWidgets 2.6)}
\twocolitem{\_\_WIN32\_\_}{Win32 API}
\twocolitem{\_\_WIN95\_\_}{Windows 95 or NT 4.0 and above system (not NT 3.5x)}
-\twocolitem{\_\_WXGTK\_\_}{GTK}
-\twocolitem{\_\_WXGTK12\_\_}{GTK 1.2 or higher}
-\twocolitem{\_\_WXGTK20\_\_}{GTK 2.0 or higher}
+\twocolitem{\_\_WXBASE\_\_}{Only wxBase, no GUI features}
+\twocolitem{\_\_WXWINCE\_\_}{Windows CE}
+\twocolitem{\_\_WXGTK\_\_}{GTK+}
+\twocolitem{\_\_WXGTK12\_\_}{GTK+ 1.2 or higher}
+\twocolitem{\_\_WXGTK20\_\_}{GTK+ 2.0 or higher}
\twocolitem{\_\_WXMOTIF\_\_}{Motif}
\twocolitem{\_\_WXMOTIF20\_\_}{Motif 2.0 or higher}
-\twocolitem{\_\_WXMAC\_\_}{Mac OS whether Classic (Mac OS 8/9 TARGET\_CARBON == 0) or Carbon (including Mac OS X TARGET\_CARBON == 1)}
+\twocolitem{\_\_WXMAC\_\_}{Mac OS whether Classic (Mac OS 8/9 TARGET\_CARBON
+== 0) or Carbon (including Mac OS X TARGET\_CARBON == 1)}
\twocolitem{\_\_WXMGL\_\_}{SciTech Soft MGL (\_\_WXUNIVERSAL\_\_ will be also
defined)}
\twocolitem{\_\_WXMSW\_\_}{Any Windows}
\twocolitem{\_\_WXPM\_\_}{OS/2 native Presentation Manager}
\twocolitem{\_\_WXSTUBS\_\_}{Stubbed version ('template' wxWin implementation)}
\twocolitem{\_\_WXXT\_\_}{Xt; mutually exclusive with WX\_MOTIF, not
-implemented in wxWindows 2.x}
+implemented in wxWidgets 2.x}
\twocolitem{\_\_WXX11\_\_}{wxX11 (\_\_WXUNIVERSAL\_\_ will be also defined)}
-\twocolitem{\_\_WXWINE\_\_}{WINE (i.e. Win32 on Unix)}
+\twocolitem{\_\_WXWINE\_\_}{WINE (i.e. WIN32 on Unix)}
\twocolitem{\_\_WXUNIVERSAL\_\_}{wxUniversal port, always defined in addition
to one of the symbols above so this should be tested first.}
\twocolitem{\_\_X\_\_}{any X11-based GUI toolkit except GTK+}
\end{twocollist}
-In fact, they should better all start with \_\_WX instead of \_\_ only. The
-only GUIs implemented for 2.0 are \_\_WXGTK\_\_, \_\_WXMSW\_\_ and
-\_\_WXMOTIF\_\_ yet. Any new ones, please start the define with \_\_WX.
+In fact, they should better all start with \_\_WX instead of \_\_ only,
+so please start any new defines with \_\_WX.
-\subsection{Operating systems}
+\subsection{Operating systems}\label{osconst}
\begin{twocollist}\itemsep=0pt
\twocolitem{\_\_APPLE\_\_}{any Mac OS version}
\twocolitem{\_\_DOS\_GENERAL\_\_}{DOS (used with wxMGL only)}
\twocolitem{\_\_FREEBSD\_\_}{FreeBSD}
\twocolitem{\_\_HPUX\_\_}{HP-UX (Unix)}
+\twocolitem{\_\_GNU\_\_}{GNU Hurd}
\twocolitem{\_\_LINUX\_\_}{Linux}
\twocolitem{\_\_MACH\_\_}{Mach-O Architecture (Mac OS X only builds)}
\twocolitem{\_\_OSF\_\_}{OSF/1}
\twocolitem{\_\_WINDOWS\_\_}{any Windows}
\end{twocollist}
-\subsection{Hardware architectures}
+\subsection{Hardware architectures}\label{hardwareconst}
Note that not all of these symbols are always defined, it depends on the
compiler used.
\twocolitem{\_\_POWERPC\_\_}{Motorola Power PC}
\end{twocollist}
-\subsection{Compilers}
+\subsection{Compilers}\label{compilerconst}
\begin{twocollist}\itemsep=0pt
\twocolitem{\_\_BORLANDC\_\_}{Borland C++. The value of the macro corresponds
to the compiler version: $500$ is $5.0$.}
\twocolitem{\_\_DJGPP\_\_}{DJGPP}
+\twocolitem{\_\_DIGITALMARS\_\_}{Digital Mars}
\twocolitem{\_\_GNUG\_\_}{Gnu C++ on any platform, see also
\helpref{wxCHECK\_GCC\_VERSION}{wxcheckgccversion}}
\twocolitem{\_\_GNUWIN32\_\_}{Gnu-Win32 compiler, see also
\helpref{wxCHECK\_W32API\_VERSION}{wxcheckw32apiversion}}
+\twocolitem{\_\_MINGW32\_\_}{MinGW}
\twocolitem{\_\_MWERKS\_\_}{CodeWarrior MetroWerks compiler}
\twocolitem{\_\_SUNCC\_\_}{Sun CC}
\twocolitem{\_\_SYMANTECC\_\_}{Symantec C++}
\twocolitem{\_\_XLC\_\_}{AIX compiler}
\twocolitem{\_\_WATCOMC\_\_}{Watcom C++. The value of this macro corresponds to
the compiler version, $1100$ is $11.0$ and $1200$ is OpenWatcom.}
+\twocolitem{\_WIN32\_WCE}{Windows CE version}
\end{twocollist}
-\subsection{Miscellaneous}
+\subsection{Miscellaneous}\label{miscellaneousconst}
\begin{twocollist}\itemsep=0pt
+\twocolitem{\_\_WXWINDOWS\_\_}{always defined in wxWidgets applications, see
+also \helpref{wxCHECK\_VERSION}{wxcheckversion}}
\twocolitem{\_\_WXDEBUG\_\_}{defined in debug mode, undefined in release mode}
\twocolitem{wxUSE\_XXX}{if defined as $1$, feature XXX is active
(the symbols of this form are always defined, use \#if and not \#ifdef to test
for them)}
+\twocolitem{wxUSE\_GUI}{this particular feature test macro is defined to $1$
+when compiling or using the library with the GUI features activated, if it is
+defined as $0$, only wxBase is available.}
+\twocolitem{wxUSE\_BASE}{only used by wxWidgets internally (defined as $1$ when
+building wxBase code, either as a standalone library or as part of the
+monolithic wxWidgets library, defined as $0$ when building GUI library only)}
\end{twocollist}