X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8e1bf7046ee361c3078cdf8ec1f0456e57a6ede5..58e8013e8217e36a4bdf38e6dbad3b21edf61af6:/docs/latex/wx/cppconst.tex diff --git a/docs/latex/wx/cppconst.tex b/docs/latex/wx/cppconst.tex index 263a443b5e..4cd37cec3f 100644 --- a/docs/latex/wx/cppconst.tex +++ b/docs/latex/wx/cppconst.tex @@ -1,11 +1,20 @@ -\section{Preprocesser symbols defined by wxWidgets}\label{cppconst} - -Here is the list of preprocessor symbols used in the wxWidgets source grouped +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Name: cppconst.tex +%% Purpose: Preprocessor symbols +%% Author: Vadim Zeitlin +%% Created: 2002-08-22 +%% RCS-ID: $Id$ +%% Copyright: (c) 2002-2006 wxWidgets +%% License: wxWindows license +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\section{Preprocessor symbols defined by wxWidgets}\label{cppconst} + +These are preprocessor symbols used in the wxWidgets source, grouped by category (and sorted by alphabetical order inside each category). All of -these macros except for \texttt{wxUSE\_XXX} variety is defined if the +these macros except for the \texttt{wxUSE\_XXX} variety is defined if the corresponding condition is true and undefined if it isn't, so they should be -always tested usin \texttt{#ifdef} and not \texttt{#if}. - +always tested using \texttt{#ifdef} and not \texttt{#if}. \subsection{GUI system}\label{guisystemconst} @@ -13,7 +22,6 @@ always tested usin \texttt{#ifdef} and not \texttt{#if}. \twocolitem{\_\_WINDOWS\_\_}{any Windows, yom may also use \_\_WXMSW\_\_} \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{\_\_WXBASE\_\_}{Only wxBase, no GUI features (same as \texttt{wxUSE\_GUI} $== 0$)} \twocolitem{\_\_WXCOCOA\_\_}{OS X using Cocoa API} \twocolitem{\_\_WXWINCE\_\_}{Windows CE} @@ -29,7 +37,6 @@ always tested usin \texttt{#ifdef} and not \texttt{#if}. \twocolitem{\_\_WXMGL\_\_}{SciTech Soft MGL (\_\_WXUNIVERSAL\_\_ will be also defined)} \twocolitem{\_\_WXMSW\_\_}{Any Windows} -\twocolitem{\_\_WXOS2\_\_}{Identical to \_\_WXPM\_\_} \twocolitem{\_\_WXOSX\_\_}{Any Mac OS X port (either Carbon or Cocoa)} \twocolitem{\_\_WXPALMOS\_\_}{PalmOS} \twocolitem{\_\_WXPM\_\_}{OS/2 native Presentation Manager} @@ -43,27 +50,24 @@ to one of the symbols above so this should be tested first.} \twocolitem{\_\_X\_\_}{any X11-based GUI toolkit except GTK+} \end{twocollist} -Mac situation is a bit confusing so a few extra words to explain it: there are -2 wx ports to Mac OS. One of them, wxMac, exists in 2 versions: Classic and +There are two wxWidgets ports to Mac OS. One of them, wxMac, exists in two versions: Classic and Carbon. The Classic version is the only one to work on Mac OS version 8. The Carbon version may be built either as CFM or Mach-O (binary format, like ELF) and the former may run under OS 9 while the latter only runs under OS X. Finally, there is a new Cocoa port which can only be used under OS X. To summarize: + \begin{itemize} - \item If you want to test for all Mac platforms, classic and OS X, you - should test both \texttt{\_\_WXMAC\_\_} and \texttt{\_\_WXCOCOA\_\_} - \item If you want to test for any GUI Mac port under OS X, use - \texttt{\_\_WXOSX\_\_} - \item If you want to test for any port under Mac OS X, including, for - example, wxGTK and also wxBase, use \texttt{\_\_DARWIN\_\_} (see below) +\item If you want to test for all Mac platforms, classic and OS X, you +should test both \texttt{\_\_WXMAC\_\_} and \texttt{\_\_WXCOCOA\_\_}. +\item If you want to test for any GUI Mac port under OS X, use +\texttt{\_\_WXOSX\_\_}. +\item If you want to test for any port under Mac OS X, including, for +example, wxGTK and also wxBase, use \texttt{\_\_DARWIN\_\_} (see below). \end{itemize} - -Note to implementors: although some of the symbols above don't start with -\texttt{\_\_WX} prefix, they really should always use it, so please do start -any new symbols with it. - +The convention is to use the \texttt{\_\_WX} prefix for these +symbols, although this has not always been followed. \subsection{Operating systems}\label{osconst} @@ -93,6 +97,7 @@ any new symbols with it. \twocolitem{\_\_UNIX\_LIKE\_\_}{Unix, BeOS or VMS} \twocolitem{\_\_VMS\_\_}{VMS} \twocolitem{\_\_WINDOWS\_\_}{any Windows} +\twocolitem{\_\_WINE\_\_}{Wine} \end{twocollist} @@ -104,21 +109,21 @@ compiler used. \begin{twocollist}\itemsep=0pt \twocolitem{\_\_ALPHA\_\_}{DEC Alpha architecture} \twocolitem{\_\_INTEL\_\_}{Intel i386 or compatible} +\twocolitem{\_\_IA64\_\_}{Intel 64 bit architecture} \twocolitem{\_\_POWERPC\_\_}{Motorola Power PC} \end{twocollist} \subsection{Hardware type}\label{hardwareconst} -Combination of these symbols with GUI symbols describes real hardware -(like \_\_PDA\_\_ $&&$ \_\_WXWINCE\_\_ $==$ PocketPC devices). - \begin{twocollist}\itemsep=0pt -\twocolitem{\_\_SMARTPHONE\_\_}{Mobile devices with dialog capability through -phone buttons and small display} -\twocolitem{\_\_PDA\_\_}{Personal digital assistant usually with touch screen and -middle sized screen} -\twocolitem{\_\_HANDHELD\_\_}{Small enough but powerful computer} +\twocolitem{\_\_SMARTPHONE\_\_}{Generic mobile devices with phone buttons and a small display} +\twocolitem{\_\_PDA\_\_}{Personal digital assistant, usually with touch screen} +\twocolitem{\_\_HANDHELD\_\_}{Small but powerful computer, usually with a keyboard} +\twocolitem{\_\_POCKETPC\_\_}{Microsoft-powered PocketPC devices with touch-screen} +\twocolitem{\_\_WINCE\_STANDARDSDK\_\_}{Microsoft-powered Windows CE devices, for generic Windows CE applications} +\twocolitem{\_\_WINCE\_NET\_\_}{Microsoft-powered Windows CE .NET devices (\_WIN32\_WCE is 400 or greater)} +\twocolitem{WIN32\_PLATFORM\_WFSP}{Microsoft-powered smartphone} \end{twocollist} @@ -129,9 +134,9 @@ middle sized screen} to the compiler version: $500$ is $5.0$.} \twocolitem{\_\_DJGPP\_\_}{DJGPP} \twocolitem{\_\_DIGITALMARS\_\_}{Digital Mars} -\twocolitem{\_\_GNUG\_\_}{Gnu C++ on any platform, see also +\twocolitem{\_\_GNUG\_\_}{Gnu C++ on any platform, see also \helpref{wxCHECK\_GCC\_VERSION}{wxcheckgccversion}} -\twocolitem{\_\_GNUWIN32\_\_}{Gnu-Win32 compiler, see also +\twocolitem{\_\_GNUWIN32\_\_}{Gnu-Win32 compiler, see also \helpref{wxCHECK\_W32API\_VERSION}{wxcheckw32apiversion}} \twocolitem{\_\_MINGW32\_\_}{MinGW} \twocolitem{\_\_MWERKS\_\_}{CodeWarrior MetroWerks compiler} @@ -148,6 +153,35 @@ the compiler version, $1100$ is $11.0$ and $1200$ is OpenWatcom.} \end{twocollist} +\subsection{Feature tests}\label{featuretests} + +Some library features may not be always available even if they were selected by +the user. To make it possible to check if this is the case, the library +predefines the symbols in the form \texttt{wxHAS\_FEATURE}. Unlike +\texttt{wxUSE\_FEATURE} symbols which are defined by the library user (directly +in \texttt{setup.h} or by running configure script) and which must be always +defined as either $0$ or $1$, the \texttt{wxHAS} symbols are only defined if +the corresponding feature is available and not defined at all otherwise. + +Currently the following symbols exist: +\begin{twocollist}\itemsep=0pt +\twocolitem{wxHAS\_LARGE\_FILES}{Defined if \helpref{wxFile}{wxfile} supports +files more than 4GB in size.} +\twocolitem{wxHAS\_LARGE\_FFILES}{Defined if \helpref{wxFFile}{wxffile} +supports files more than 4GB in size.} +\twocolitem{wxHAS\_POWER\_EVENTS}{Defined if +\helpref{wxPowerEvent}{wxpowerevent} are ever generated on the current platform.} +\twocolitem{wxHAS\_RADIO\_MENU\_ITEMS}{Defined if the current port supports +\helpref{radio menu items}{wxmenuappendradioitem}.} +\twocolitem{wxHAS\_RAW\_KEY\_CODES}{Defined if +\helpref{raw key codes}{wxkeyeventgetrawkeycode} are supported.} +\twocolitem{wxHAS\_REGEX\_ADVANCED}{Defined if advanced syntax is available in +\helpref{wxRegEx}{wxregex}.} +\twocolitem{wxHAS\_TASK\_BAR\_ICON}{Defined if +\helpref{wxTaskBarIcon}{wxtaskbaricon} is available on the current platform.} +\end{twocollist} + + \subsection{Miscellaneous}\label{miscellaneousconst} \begin{twocollist}\itemsep=0pt @@ -157,11 +191,25 @@ also \helpref{wxCHECK\_VERSION}{wxcheckversion}} \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{WX\_PRECOMP}{is defined if precompiled headers (PCH) are in use. In +this case, \texttt{wx/wxprec.h} includes \texttt{wx/wx.h} which, in turn, +includes a number of wxWidgets headers thus making it unnecessary to include +them explicitly. However if this is not defined, you do need to include them +and so the usual idiom which allows to support both cases is to first include +\texttt{wx/wxprec.h} and then, inside \texttt{#ifndef WX\_PRECOMP}, individual +headers you need.} +\twocolitem{\_UNICODE and UNICODE}{both are defined if wxUSE\_UNICODE is set to $1$} \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)} +\twocolitem{wxNO\_RTTI}{is defined if the compiler RTTI support has been switched off} +\twocolitem{wxNO\_EXCEPTIONS}{is defined if the compiler support for C++ +exceptions has been switched off} +\twocolitem{wxNO\_THREADS}{if this macro is defined, the compilation options +don't include compiler flags needed for multithreaded code generation. This +implies that wxUSE\_THREADS is $0$ and also that other (non-wx-based) threading +packages cannot be used neither.} \end{twocollist} -