X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bc253a97e78b2c42b93c1f3cc8e1bcceec68a336..fbb7dfffb098c0c1a71f15674fba0d3af9609028:/docs/latex/wx/function.tex diff --git a/docs/latex/wx/function.tex b/docs/latex/wx/function.tex index 2358699e70..1cc593dd6b 100644 --- a/docs/latex/wx/function.tex +++ b/docs/latex/wx/function.tex @@ -6,7 +6,7 @@ The functions and macros defined in wxWidgets are described here: you can either look up a function using the alphabetical listing of them or find it in the corresponding topic. -\section{Alphabetical functions and macros list} +\section{Alphabetical functions and macros list}\label{functionsalphabetically} \helpref{CLASSINFO}{classinfo}\\ \helpref{copystring}{copystring}\\ @@ -21,7 +21,6 @@ the corresponding topic. \helpref{IMPLEMENT\_CLASS}{implementclass}\\ \helpref{IMPLEMENT\_DYNAMIC\_CLASS2}{implementdynamicclass2}\\ \helpref{IMPLEMENT\_DYNAMIC\_CLASS}{implementdynamicclass}\\ -\helpref{ngettext}{ngettext}\\ \helpref{wxCONCAT}{wxconcat}\\ \helpref{WXDEBUG\_NEW}{debugnew}\\ \helpref{WXTRACELEVEL}{tracelevel}\\ @@ -32,6 +31,7 @@ the corresponding topic. \helpref{wxBITMAP}{wxbitmapmacro}\\ \helpref{wxBeginBusyCursor}{wxbeginbusycursor}\\ \helpref{wxBell}{wxbell}\\ +\helpref{wxCHANGE\_UMASK}{wxchangeumask}\\ \helpref{wxCHECK}{wxcheck}\\ \helpref{wxCHECK2\_MSG}{wxcheck2msg}\\ \helpref{wxCHECK2}{wxcheck2}\\ @@ -39,6 +39,7 @@ the corresponding topic. \helpref{wxCHECK\_MSG}{wxcheckmsg}\\ \helpref{wxCHECK\_RET}{wxcheckret}\\ \helpref{wxCHECK\_VERSION}{wxcheckversion}\\ +\helpref{wxCHECK\_VERSION\_FULL}{wxcheckversionfull}\\ \helpref{wxCHECK\_W32API\_VERSION}{wxcheckw32apiversion}\\ \helpref{wxClientDisplayRect}{wxclientdisplayrect}\\ \helpref{wxClipboardOpen}{functionwxclipboardopen}\\ @@ -95,20 +96,25 @@ the corresponding topic. \helpref{wxFinite}{wxfinite}\\ \helpref{wxGetActiveWindow}{wxgetactivewindow}\\ \helpref{wxGetApp}{wxgetapp}\\ +\helpref{wxGetBatteryState}{wxgetbatterystate}\\ \helpref{wxGetClipboardData}{wxgetclipboarddata}\\ \helpref{wxGetClipboardFormatName}{wxgetclipboardformatname}\\ \helpref{wxGetColourFromUser}{wxgetcolourfromuser}\\ \helpref{wxGetCwd}{wxgetcwd}\\ \helpref{wxGetDiskSpace}{wxgetdiskspace}\\ \helpref{wxGetDisplayName}{wxgetdisplayname}\\ +\helpref{wxGetDisplaySize}{wxdisplaysize}\\ +\helpref{wxGetDisplaySizeMM}{wxdisplaysizemm}\\ \helpref{wxGetElapsedTime}{wxgetelapsedtime}\\ \helpref{wxGetEmailAddress}{wxgetemailaddress}\\ \helpref{wxGetEnv}{wxgetenv}\\ +\helpref{wxGetFileKind}{wxgetfilekind}\\ \helpref{wxGetFontFromUser}{wxgetfontfromuser}\\ \helpref{wxGetFreeMemory}{wxgetfreememory}\\ \helpref{wxGetFullHostName}{wxgetfullhostname}\\ \helpref{wxGetHomeDir}{wxgethomedir}\\ \helpref{wxGetHostName}{wxgethostname}\\ +\helpref{wxGetKeyState}{wxgetkeystate}\\ \helpref{wxGetLocalTimeMillis}{wxgetlocaltimemillis}\\ \helpref{wxGetLocalTime}{wxgetlocaltime}\\ \helpref{wxGetMousePosition}{wxgetmouseposition}\\ @@ -119,6 +125,7 @@ the corresponding topic. \helpref{wxGetOsDescription}{wxgetosdescription}\\ \helpref{wxGetOsVersion}{wxgetosversion}\\ \helpref{wxGetPasswordFromUser}{wxgetpasswordfromuser}\\ +\helpref{wxGetPowerType}{wxgetpowertype}\\ \helpref{wxGetPrinterCommand}{wxgetprintercommand}\\ \helpref{wxGetPrinterFile}{wxgetprinterfile}\\ \helpref{wxGetPrinterMode}{wxgetprintermode}\\ @@ -174,6 +181,8 @@ the corresponding topic. \helpref{wxMakeMetafilePlaceable}{wxmakemetafileplaceable}\\ \helpref{wxMatchWild}{wxmatchwild}\\ \helpref{wxMessageBox}{wxmessagebox}\\ +\helpref{wxMilliSleep}{wxmillisleep}\\ +\helpref{wxMicroSleep}{wxmicrosleep}\\ \helpref{wxMkdir}{wxmkdir}\\ \helpref{wxMutexGuiEnter}{wxmutexguienter}\\ \helpref{wxMutexGuiLeave}{wxmutexguileave}\\ @@ -181,6 +190,7 @@ the corresponding topic. \helpref{wxNow}{wxnow}\\ \helpref{wxOnAssert}{wxonassert}\\ \helpref{wxOpenClipboard}{wxopenclipboard}\\ +\helpref{wxParseCommonDialogsFilter}{wxparsecommondialogsfilter}\\ \helpref{wxPathOnly}{wxpathonly}\\ \helpref{wxPostDelete}{wxpostdelete}\\ \helpref{wxPostEvent}{wxpostevent}\\ @@ -231,11 +241,13 @@ the corresponding topic. \helpref{wxUnix2DosFilename}{wxunix2dosfilename}\\ \helpref{wxUnsetEnv}{wxunsetenv}\\ \helpref{wxUsleep}{wxusleep}\\ +\helpref{wxVaCopy}{wxvacopy}\\ \helpref{wxVsnprintf}{wxvsnprintf}\\ \helpref{wxWakeUpIdle}{wxwakeupidle}\\ \helpref{wxWriteResource}{wxwriteresource}\\ \helpref{wxYield}{wxyield}\\ \helpref{wx\_const\_cast}{wxconstcastraw}\\ +\helpref{wx\_reinterpret\_cast}{wxreinterpretcastraw}\\ \helpref{wx\_static\_cast}{wxstaticcastraw}\\ \helpref{\_}{underscore}\\ \helpref{\_T}{underscoret} @@ -250,6 +262,8 @@ The following constants are defined in wxWidgets: \item {\tt wxMAJOR\_VERSION} is the major version of wxWidgets \item {\tt wxMINOR\_VERSION} is the minor version of wxWidgets \item {\tt wxRELEASE\_NUMBER} is the release number +\item {\tt wxSUBRELEASE\_NUMBER} is the subrelease number which is $0$ for all +official releases \end{itemize} For example, the values or these constants for wxWidgets 2.1.15 are 2, 1 and @@ -260,11 +274,23 @@ the full wxWidgets version and {\tt wxVERSION\_NUMBER} is a combination of the three version numbers above: for 2.1.15, it is 2115 and it is 2200 for wxWidgets 2.2. +The subrelease number is only used for the sources in between official releases +and so normally is not useful. + \wxheading{Include files} or +\membersection{wxCHECK\_GCC\_VERSION}\label{wxcheckgccversion} + +\func{bool}{wxCHECK\_GCC\_VERSION}{\param{}{major, minor, release}} + +Returns $1$ if the compiler being used to compile the code is GNU C++ +compiler (g++) version major.minor.release or greater. Otherwise, and also if +the compiler is not GNU C++ at all, returns $0$. + + \membersection{wxCHECK\_VERSION}\label{wxcheckversion} \func{bool}{wxCHECK\_VERSION}{\param{}{major, minor, release}} @@ -288,13 +314,12 @@ the following can be done: \end{verbatim} -\membersection{wxCHECK\_GCC\_VERSION}\label{wxcheckgccversion} +\membersection{wxCHECK\_VERSION\_FULL}\label{wxcheckversionfull} -\func{bool}{wxCHECK\_GCC\_VERSION}{\param{}{major, minor, release}} +\func{bool}{wxCHECK\_VERSION\_FULL}{\param{}{major, minor, release, subrel}} -Returns $1$ if the compiler being used to compile the code is GNU C++ -compiler (g++) version major.minor.release or greater. Otherwise, and also if -the compiler is not GNU C++ at all, returns $0$. +Same as \helpref{wxCHECK\_VERSION}{wxcheckversion} but also checks that +\texttt{wxSUBRELEASE\_NUMBER} is at least \arg{subrel}. \membersection{wxCHECK\_W32API\_VERSION}\label{wxcheckw32apiversion} @@ -499,16 +524,16 @@ processes. \perlnote{In wxPerl this function is called \texttt{Wx::ExecuteArgs}} -\func{long}{wxExecute}{\param{const wxString\& }{command}, \param{wxArrayString\& }{output}} +\func{long}{wxExecute}{\param{const wxString\& }{command}, \param{wxArrayString\& }{output}, \param{int }{flags = 0}} \perlnote{In wxPerl this function is called \texttt{Wx::ExecuteStdout} and it only takes the {\tt command} argument, and returns a 2-element list {\tt ( status, output )}, where {\tt output} is an array reference.} -\func{long}{wxExecute}{\param{const wxString\& }{command}, \param{wxArrayString\& }{output}, \param{wxArrayString\& }{errors}} +\func{long}{wxExecute}{\param{const wxString\& }{command}, \param{wxArrayString\& }{output}, \param{wxArrayString\& }{errors}, \param{int }{flags = 0}} -\perlnote{In wxPerl this function is called \texttt{Wx::ExecuteStdoutStderr} +\perlnote{In wxPerl this function is called \texttt{Wx::ExecuteStdoutStderr} and it only takes the {\tt command} argument, and returns a 3-element list {\tt ( status, output, errors )}, where {\tt output} and {\tt errors} are array references.} @@ -531,9 +556,12 @@ In the case of synchronous execution, the return value is the exit code of the process (which terminates by the moment the function returns) and will be $-1$ if the process couldn't be started and typically 0 if the process terminated successfully. Also, while waiting for the process to -terminate, wxExecute will call \helpref{wxYield}{wxyield}. The caller -should ensure that this can cause no recursion, in the simplest case by -calling \helpref{wxEnableTopLevelWindows(false)}{wxenabletoplevelwindows}. +terminate, wxExecute will call \helpref{wxYield}{wxyield}. Because of this, by +default this function disables all application windows to avoid unexpected +reentrancies which could result from the users interaction with the program +while the child process is running. If you are sure that it is safe to not +disable the program windows, you may pass \texttt{wxEXEC\_NODISABLE} flag to +prevent this automatic disabling from happening. For asynchronous execution, however, the return value is the process id and zero value indicates that the command could not be executed. As an added @@ -555,14 +583,15 @@ happening, i.e. with this flag the child process window will be shown normally. Under Unix the flag {\tt wxEXEC\_MAKE\_GROUP\_LEADER} may be used to ensure that the new process is a group leader (this will create a new session if -needed). Calling \helpref{wxKill}{wxkill} with the argument of -pid where pid -is the process ID of the new process will kill this process as well as all of -its children (except those which have started their own session). +needed). Calling \helpref{wxKill}{wxkill} passing wxKILL\_CHILDREN will +will kill this process as well as all of its children (except those which have +started their own session). Finally, you may use the third overloaded version of this function to execute -a process (always synchronously) and capture its output in the array -{\it output}. The fourth version adds the possibility to additionally capture -the messages from standard error output in the {\it errors} array. +a process (always synchronously, the contents of \arg{flags} is or'd with +\texttt{wxEXEC\_SYNC}) and capture its output in the array \arg{output}. The +fourth version adds the possibility to additionally capture the messages from +standard error output in the \arg{errors} array. {\bf NB:} Currently wxExecute() can only be used from the main thread, calling this function from another thread will result in an assert failure in debug @@ -607,7 +636,7 @@ application. See \helpref{wxCloseEvent}{wxcloseevent} and \helpref{wxApp}{wxapp} \membersection{::wxKill}\label{wxkill} -\func{int}{wxKill}{\param{long}{ pid}, \param{int}{ sig = wxSIGTERM}, \param{wxKillError }{*rc = NULL}} +\func{int}{wxKill}{\param{long}{ pid}, \param{int}{ sig = wxSIGTERM}, \param{wxKillError }{*rc = NULL}, \param{int }{flags = 0}} Equivalent to the Unix kill function: send the given signal {\it sig} to the process with PID {\it pid}. The valid signal values are @@ -635,7 +664,7 @@ enum wxSignal \end{verbatim} {\tt wxSIGNONE}, {\tt wxSIGKILL} and {\tt wxSIGTERM} have the same meaning -under both Unix and Windows but all the other signals are equivalent to +under both Unix and Windows but all the other signals are equivalent to {\tt wxSIGTERM} under Windows. Returns 0 on success, -1 on failure. If {\it rc} parameter is not NULL, it will @@ -652,6 +681,12 @@ enum wxKillError }; \end{verbatim} +The {\it flags} parameter can be wxKILL\_NOCHILDREN (the default), +or wxKILL\_CHILDREN, in which case the child processes of this +process will be killed too. Note that under Unix, for wxKILL\_CHILDREN +to work you should have created the process by passing wxEXEC\_MAKE\_GROUP\_LEADER +to wxExecute. + \wxheading{See also} \helpref{wxProcess::Kill}{wxprocesskill},\rtfsp @@ -739,7 +774,7 @@ to create and use the critical section only when needed. \func{}{wxCRIT\_SECT\_DECLARE}{\param{}{cs}} -This macro declares a (static) critical section object named {\it cs} if +This macro declares a (static) critical section object named {\it cs} if {\tt wxUSE\_THREADS} is $1$ and does nothing if it is $0$. @@ -748,9 +783,9 @@ This macro declares a (static) critical section object named {\it cs} if \func{}{wxCRIT\_SECT\_DECLARE}{\param{}{cs}} -This macro declares a critical section object named {\it cs} if +This macro declares a critical section object named {\it cs} if {\tt wxUSE\_THREADS} is $1$ and does nothing if it is $0$. As it doesn't -include the {\tt static} keyword (unlike +include the {\tt static} keyword (unlike \helpref{wxCRIT\_SECT\_DECLARE}{wxcritsectdeclare}), it can be used to declare a class or struct member which explains its name. @@ -760,8 +795,8 @@ a class or struct member which explains its name. \func{}{wxCRIT\_SECT\_LOCKER}{\param{}{name}, \param{}{cs}} -This macro creates a \helpref{critical section lock}{wxcriticalsectionlocker} -object named {\it name} and associated with the critical section {\it cs} if +This macro creates a \helpref{critical section lock}{wxcriticalsectionlocker} +object named {\it name} and associated with the critical section {\it cs} if {\tt wxUSE\_THREADS} is $1$ and does nothing if it is $0$. @@ -770,7 +805,7 @@ object named {\it name} and associated with the critical section {\it cs} if \func{}{wxCRITICAL\_SECTION}{\param{}{name}} -This macro combines \helpref{wxCRIT\_SECT\_DECLARE}{wxcritsectdeclare} and +This macro combines \helpref{wxCRIT\_SECT\_DECLARE}{wxcritsectdeclare} and \helpref{wxCRIT\_SECT\_LOCKER}{wxcritsectlocker}: it creates a static critical section object and also the lock object associated with it. Because of this, it can be only used inside a function, not at global scope. For example: @@ -788,7 +823,7 @@ int IncCount() (note that we suppose that the function is called the first time from the main thread so that the critical section object is initialized correctly by the time -other threads start calling it, if this is not the case this approach can +other threads start calling it, if this is not the case this approach can {\bf not} be used and the critical section must be made a global instead). @@ -797,7 +832,7 @@ other threads start calling it, if this is not the case this approach can \func{}{wxENTER\_CRIT\_SECT}{\param{wxCriticalSection\& }{cs}} -This macro is equivalent to \helpref{cs.Enter()}{wxcriticalsectionenter} if +This macro is equivalent to \helpref{cs.Enter()}{wxcriticalsectionenter} if {\tt wxUSE\_THREADS} is $1$ and does nothing if it is $0$. @@ -815,7 +850,7 @@ Returns {\tt true} if this thread is the main one. Always returns {\tt true} if \func{}{wxLEAVE\_CRIT\_SECT}{\param{wxCriticalSection\& }{cs}} -This macro is equivalent to \helpref{cs.Leave()}{wxcriticalsectionleave} if +This macro is equivalent to \helpref{cs.Leave()}{wxcriticalsectionleave} if {\tt wxUSE\_THREADS} is $1$ and does nothing if it is $0$. @@ -869,7 +904,7 @@ threads. \wxheading{Include files} - + \wxheading{See also} @@ -930,6 +965,10 @@ that matches the path {\it spec}, or the empty string. Use \helpref{wxFindNextFi get the next matching file. Neither will report the current directory "." or the parent directory "..". +\wxheading{Warning} + +As of wx 2.5.2, these functions are not thread-safe! (use static variables) + {\it spec} may contain wildcards. {\it flags} may be wxDIR for restricting the query to directories, wxFILE for files or zero for either. @@ -938,7 +977,7 @@ For example: \begin{verbatim} wxString f = wxFindFirstFile("/home/project/*.*"); - while ( !f.IsEmpty() ) + while ( !f.empty() ) { ... f = wxFindNextFile(); @@ -977,6 +1016,30 @@ Mac OS and generic Unix provided the system has {\tt statfs()} function. This function first appeared in wxWidgets 2.3.2. +\membersection{::wxGetFileKind}\label{wxgetfilekind} + +\func{wxFileKind}{wxGetFileKind}{\param{int }{fd}} + +\func{wxFileKind}{wxGetFileKind}{\param{FILE *}{fp}} + +Returns the type of an open file. Possible return values are: + +\begin{verbatim} +enum wxFileKind +{ + wxFILE_KIND_UNKNOWN, + wxFILE_KIND_DISK, // a file supporting seeking to arbitrary offsets + wxFILE_KIND_TERMINAL, // a tty + wxFILE_KIND_PIPE // a pipe +}; + +\end{verbatim} + +\wxheading{Include files} + + + + \membersection{::wxGetOSDirectory}\label{wxgetosdirectory} \func{wxString}{wxGetOSDirectory}{\void} @@ -1007,6 +1070,18 @@ Converts a Unix to a DOS filename by replacing forward slashes with backslashes. +\membersection{wxCHANGE\_UMASK}\label{wxchangeumask} + +\func{}{wxCHANGE\_UMASK}{\param{int }{mask}} + +Under Unix this macro changes the current process umask to the given value, +unless it is equal to $-1$ in which case nothing is done, and restores it to +the original value on scope exit. It works by declaring a variable which sets +umask to \arg{mask} in its constructor and restores it in its destructor. + +Under other platforms this macro expands to nothing. + + \membersection{::wxConcatFiles}\label{wxconcatfiles} \func{bool}{wxConcatFiles}{\param{const wxString\& }{file1}, \param{const wxString\& }{file2}, @@ -1078,7 +1153,7 @@ Returns true if the pattern contains wildcards. See \helpref{wxMatchWild}{wxmatc \func{bool}{wxMatchWild}{\param{const wxString\& }{pattern}, \param{const wxString\& }{text}, \param{bool}{ dot\_special}} -Returns true if the {\it pattern}\/ matches the {\it text}\/; if {\it +Returns true if the \arg{pattern}\/ matches the {\it text}\/; if {\it dot\_special}\/ is true, filenames beginning with a dot are not matched with wildcard characters. See \helpref{wxIsWild}{wxiswild}. @@ -1087,24 +1162,38 @@ with wildcard characters. See \helpref{wxIsWild}{wxiswild}. \func{bool}{wxMkdir}{\param{const wxString\& }{dir}, \param{int }{perm = 0777}} -Makes the directory {\it dir}, returning true if successful. +Makes the directory \arg{dir}, returning true if successful. {\it perm} is the access mask for the directory for the systems on which it is supported (Unix) and doesn't have effect for the other ones. +\membersection{::wxParseCommonDialogsFilter}\label{wxparsecommondialogsfilter} + +\func{int}{wxParseCommonDialogsFilter}{\param{const wxString\& }{wildCard}, \param{wxArrayString\& }{descriptions}, \param{wxArrayString\& }{filters}} + +Parses the \arg{wildCard}, returning the number of filters. +Returns 0 if none or if there's a problem. +The arrays will contain an equal number of items found before the error. +On platforms where native dialogs handle only one filter per entry, +entries in arrays are automatically adjusted. +\arg{wildCard} is in the form: +\begin{verbatim} + "All files (*)|*|Image Files (*.jpeg *.png)|*.jpg;*.png" +\end{verbatim} + \membersection{::wxRemoveFile}\label{wxremovefile} \func{bool}{wxRemoveFile}{\param{const wxString\& }{file}} -Removes {\it file}, returning true if successful. +Removes \arg{file}, returning true if successful. \membersection{::wxRenameFile}\label{wxrenamefile} \func{bool}{wxRenameFile}{\param{const wxString\& }{file1}, \param{const wxString\& }{file2}} -Renames {\it file1} to {\it file2}, returning true if successful. +Renames \arg{file1} to \arg{file2}, returning true if successful. \membersection{::wxRmdir}\label{wxrmdir} @@ -1180,13 +1269,29 @@ The functions in this section are used to retrieve information about the current computer and/or user characteristics. +\membersection{::wxGetEmailAddress}\label{wxgetemailaddress} + +\func{wxString}{wxGetEmailAddress}{\void} + +\func{bool}{wxGetEmailAddress}{\param{char * }{buf}, \param{int }{sz}} + +Copies the user's email address into the supplied buffer, by +concatenating the values returned by \helpref{wxGetFullHostName}{wxgetfullhostname}\rtfsp +and \helpref{wxGetUserId}{wxgetuserid}. + +Returns true if successful, false otherwise. + +\wxheading{Include files} + + + + \membersection{::wxGetFreeMemory}\label{wxgetfreememory} -\func{long}{wxGetFreeMemory}{\void} +\func{wxMemorySize}{wxGetFreeMemory}{\void} Returns the amount of free memory in bytes under environments which -support it, and -1 if not supported. Currently, it is supported only -under Windows, Linux and Solaris. +support it, and -1 if not supported or failed to perform measurement. \wxheading{Include files} @@ -1209,21 +1314,6 @@ error. -\membersection{::wxGetEmailAddress}\label{wxgetemailaddress} - -\func{bool}{wxGetEmailAddress}{\param{const wxString\& }{buf}, \param{int }{sz}} - -Copies the user's email address into the supplied buffer, by -concatenating the values returned by \helpref{wxGetFullHostName}{wxgetfullhostname}\rtfsp -and \helpref{wxGetUserId}{wxgetuserid}. - -Returns true if successful, false otherwise. - -\wxheading{Include files} - - - - \membersection{::wxGetHomeDir}\label{wxgethomedir} \func{wxString}{wxGetHomeDir}{\void} @@ -1266,32 +1356,6 @@ if successful, false otherwise. -\membersection{::wxGetUserId}\label{wxgetuserid} - -\func{wxString}{wxGetUserId}{\void} - -\func{bool}{wxGetUserId}{\param{char * }{buf}, \param{int }{sz}} - -This function returns the "user id" also known as "login name" under Unix i.e. -something like "jsmith". It uniquely identifies the current user (on this system). - -Under Windows or NT, this function first looks in the environment -variables USER and LOGNAME; if neither of these is found, the entry {\bf UserId}\rtfsp -in the {\bf wxWidgets} section of the WIN.INI file is tried. - -The first variant of this function returns the login name if successful or an -empty string otherwise. The second (deprecated) function returns true -if successful, false otherwise. - -\wxheading{See also} - -\helpref{wxGetUserName}{wxgetusername} - -\wxheading{Include files} - - - - \membersection{::wxGetOsDescription}\label{wxgetosdescription} \func{wxString}{wxGetOsDescription}{\void} @@ -1317,17 +1381,20 @@ Gets operating system version information. \begin{twocollist}\itemsep=0pt \twocolitemruled{Platform}{Return types} -\twocolitem{Mac OS}{Return value is wxMAC when compiled with CodeWarrior under Mac OS 8.x/9.x and Mac OS X, wxMAC\_DARWIN when compiled with the Apple Developer Tools under Mac OS X. +\twocolitem{Mac OS}{Return value is wxMAC when compiled with CodeWarrior under Mac OS 8.x/9.x and Mac OS X, wxMAC\_DARWIN when compiled with the Apple Developer Tools under Mac OS X. Both {\it major} and {\it minor} have to be looked at as hexadecimal numbers. So System 10.2.4 returns 0x10, resp 16 for {\it major} and 0x24, resp 36 for {\it minor}. } \twocolitem{GTK}{Return value is wxGTK, For GTK 1.0, {\it major} is 1, {\it minor} is 0. } \twocolitem{Motif}{Return value is wxMOTIF\_X, {\it major} is X version, {\it minor} is X revision.} \twocolitem{OS/2}{Return value is wxOS2\_PM.} \twocolitem{Windows 3.1}{Return value is wxWINDOWS, {\it major} is 3, {\it minor} is 1.} -\twocolitem{Windows NT/2000}{Return value is wxWINDOWS\_NT, version is returned in {\it major} and {\it minor}} +\twocolitem{Windows NT/2000}{Return value is wxWINDOWS\_NT, version is returned in {\it major} and {\it minor}.} \twocolitem{Windows 98}{Return value is wxWIN95, {\it major} is 4, {\it minor} is 1 or greater.} \twocolitem{Windows 95}{Return value is wxWIN95, {\it major} is 4, {\it minor} is 0.} \twocolitem{Win32s (Windows 3.1)}{Return value is wxWIN32S, {\it major} is 3, {\it minor} is 1.} +\twocolitem{Windows PocketPC}{Return value is wxWINDOWS\_POCKETPC, version is returned in {\it major} and {\it minor}.} +\twocolitem{Windows Smartphone}{Return value is wxWINDOWS\_SMARTPHONE, version is returned in {\it major} and {\it minor}.} +\twocolitem{Windows CE (non-specific)}{Return value is wxWINDOWS\_CE, version is returned in {\it major} and {\it minor}.} \twocolitem{Watcom C++ 386 supervisor mode (Windows 3.1)}{Return value is wxWIN386, {\it major} is 3, {\it minor} is 1.} \end{twocollist} @@ -1353,6 +1420,32 @@ Returns the home directory for the given user. If the username is empty +\membersection{::wxGetUserId}\label{wxgetuserid} + +\func{wxString}{wxGetUserId}{\void} + +\func{bool}{wxGetUserId}{\param{char * }{buf}, \param{int }{sz}} + +This function returns the "user id" also known as "login name" under Unix i.e. +something like "jsmith". It uniquely identifies the current user (on this system). + +Under Windows or NT, this function first looks in the environment +variables USER and LOGNAME; if neither of these is found, the entry {\bf UserId}\rtfsp +in the {\bf wxWidgets} section of the WIN.INI file is tried. + +The first variant of this function returns the login name if successful or an +empty string otherwise. The second (deprecated) function returns true +if successful, false otherwise. + +\wxheading{See also} + +\helpref{wxGetUserName}{wxgetusername} + +\wxheading{Include files} + + + + \membersection{::wxGetUserName}\label{wxgetusername} \func{wxString}{wxGetUserName}{\void} @@ -1380,7 +1473,7 @@ if successful, {\tt false} otherwise. -\section{String functions} +\section{String functions}\label{stringfunctions} \membersection{::copystring}\label{copystring} @@ -1393,22 +1486,6 @@ deleted with the {\it delete} operator. This function is deprecated, use \helpref{wxString}{wxstring} class instead. -\membersection{ngettext}\label{ngettext} - -\func{const wxChar *}{ngettext}{\param{const char *}{str}, \param{const char *}{strPlural}, \param{size\_t }{n}} - -This macro expands into a call to plural form version of -\helpref{wxGetTranslation}{wxgettranslation} -function, so it marks the message for the extraction by {\tt xgettext} just as -\helpref{wxTRANSLATE}{wxtranslate} does, but also returns the translation of -the string for the current locale during execution, either singular or plural -form depending on the value of \arg{n}. - -\wxheading{See also} - -\helpref{\_}{underscore} - - \membersection{::wxGetTranslation}\label{wxgettranslation} \func{const char *}{wxGetTranslation}{\param{const char * }{str}} @@ -1432,10 +1509,11 @@ It is also used as the key for the search in the catalog. The \arg{strPlural} parameter is the plural form (in English). The parameter \arg{n} is used to determine the plural form. If no message catalog is found \arg{str} is returned if `n == 1', -otherwise \arg{strPlural}. The \helpref{ngettext}{ngettext} macro is defined -to do the same thing. +otherwise \arg{strPlural}. See \urlref{GNU gettext manual}{http://www.gnu.org/manual/gettext/html\_chapter/gettext\_10.html\#SEC150} for additional information on plural forms handling. +Both versions call \helpref{wxLocale::GetString}{wxlocalegetstring}. + \membersection{::wxIsEmpty}\label{wxisempty} \func{bool}{wxIsEmpty}{\param{const char *}{ p}} @@ -1525,7 +1603,7 @@ enough space. wxT() is a macro which can be used with character and string literals (in other words, {\tt 'x'} or {\tt "foo"}) to automatically convert them to Unicode in -Unicode build configuration. Please see the +Unicode build configuration. Please see the \helpref{Unicode overview}{unicode} for more information. This macro is simply returns the value passed to it without changes in ASCII @@ -1544,16 +1622,16 @@ build. In fact, its definition is: \func{const wxChar *}{wxTRANSLATE}{\param{const char *}{s}} This macro doesn't do anything in the program code -- it simply expands to the -value of its argument (expand in Unicode build where it is equivalent to +value of its argument (except in Unicode build where it is equivalent to \helpref{wxT}{wxt} which makes it unnecessary to use both wxTRANSLATE and wxT with the same string which would be really unreadable). However it does have a purpose and it is to mark the literal strings for the extraction into the message catalog created by {\tt xgettext} program. Usually this is achieved using \helpref{\_()}{underscore} but that macro not only marks -the string for extraction but also expands into +the string for extraction but also expands into a \helpref{wxGetTranslation}{wxgettranslation} function call which means that it -cannot be used in some situations, notably for the static arrays +cannot be used in some situations, notably for static array initialization. Here is an example which should make it more clear: suppose that you have a @@ -1584,8 +1662,6 @@ wxTRANSLATE() in the above, it wouldn't work as expected because there would be no translations for the weekday names in the program message catalog and wxGetTranslation wouldn't find them. - - \membersection{::wxVsnprintf}\label{wxvsnprintf} \func{int}{wxVsnprintf}{\param{wxChar *}{buf}, \param{size\_t }{len}, \param{const wxChar *}{format}, \param{va\_list }{argPtr}} @@ -1603,18 +1679,13 @@ argument instead of arbitrary number of parameters. \func{const wxChar *}{\_}{\param{const char *}{s}} -This macro expands into a call to \helpref{wxGetTranslation}{wxgettranslation} +This macro expands into a call to \helpref{wxGetTranslation}{wxgettranslation} function, so it marks the message for the extraction by {\tt xgettext} just as \helpref{wxTRANSLATE}{wxtranslate} does, but also returns the translation of the string for the current locale during execution. Don't confuse this macro with \helpref{\_T()}{underscoret}! -\wxheading{See also} - -\helpref{ngettext}{ngettext} - - \membersection{\_T}\label{underscoret} @@ -1719,7 +1790,7 @@ if ( !dir.empty() ) \func{wxString}{wxFileSelector}{\param{const wxString\& }{message}, \param{const wxString\& }{default\_path = ""},\\ \param{const wxString\& }{default\_filename = ""}, \param{const wxString\& }{default\_extension = ""},\\ - \param{const wxString\& }{wildcard = ``*.*''}, \param{int }{flags = 0}, \param{wxWindow *}{parent = ""},\\ + \param{const wxString\& }{wildcard = "*.*"}, \param{int }{flags = 0}, \param{wxWindow *}{parent = NULL},\\ \param{int}{ x = -1}, \param{int}{ y = -1}} Pops up a file selector box. In Windows, this is the common file selector @@ -1729,7 +1800,7 @@ If path is empty, the current directory will be used. If filename is empty, no default filename will be supplied. The wildcard determines what files are displayed in the file selector, and file extension supplies a type extension for the required filename. Flags may be a combination of wxOPEN, -wxSAVE, wxOVERWRITE\_PROMPT, wxHIDE\_READONLY, wxFILE\_MUST\_EXIST, wxMULTIPLE or 0. +wxSAVE, wxOVERWRITE\_PROMPT, wxFILE\_MUST\_EXIST, wxMULTIPLE or 0. Both the Unix and Windows versions implement a wildcard filter. Typing a filename containing wildcards (*, ?) in the filename text item, and @@ -1888,8 +1959,9 @@ Dialog is centered on its {\it parent} unless an explicit position is given in \membersection{::wxGetPasswordFromUser}\label{wxgetpasswordfromuser} -\func{wxString}{wxGetTextFromUser}{\param{const wxString\& }{message}, \param{const wxString\& }{caption = ``Input text"},\\ - \param{const wxString\& }{default\_value = ``"}, \param{wxWindow *}{parent = NULL}} +\func{wxString}{wxGetPasswordFromUser}{\param{const wxString\& }{message}, \param{const wxString\& }{caption = ``Input text"},\\ + \param{const wxString\& }{default\_value = ``"}, \param{wxWindow *}{parent = NULL},\\ + \param{int}{ x = wxDefaultCoord}, \param{int}{ y = wxDefaultCoord}, \param{bool}{ centre = true}} Similar to \helpref{wxGetTextFromUser}{wxgettextfromuser} but the text entered in the dialog is not shown on screen but replaced with stars. This is intended @@ -1904,7 +1976,7 @@ to be used for entering passwords as the function name implies. \func{wxString}{wxGetTextFromUser}{\param{const wxString\& }{message}, \param{const wxString\& }{caption = ``Input text"},\\ \param{const wxString\& }{default\_value = ``"}, \param{wxWindow *}{parent = NULL},\\ - \param{int}{ x = -1}, \param{int}{ y = -1}, \param{bool}{ centre = true}} + \param{int}{ x = wxDefaultCoord}, \param{int}{ y = wxDefaultCoord}, \param{bool}{ centre = true}} Pop up a dialog box with title set to {\it caption}, {\it message}, and a \rtfsp{\it default\_value}. The user may type in text and press OK to return this text, @@ -2104,7 +2176,7 @@ message will be split into separate lines, to cater for large messages. \param{bool }{showAtStartup = true}} This function shows a "startup tip" to the user. The return value is the -state of the ``Show tips at startup'' checkbox. +state of the `Show tips at startup' checkbox. \docparam{parent}{The parent window for the modal dialog} @@ -2126,7 +2198,7 @@ checkbox which is shown in the tips dialog.} -\section{Math functions} +\section{Math functions}\label{mathfunctions} \wxheading{Include files} @@ -2137,7 +2209,7 @@ checkbox which is shown in the tips dialog.} \func{int}{wxFinite}{\param{double }{x}} -Returns a non-zero value if {\it x} is neither infinite or NaN (not a number), +Returns a non-zero value if {\it x} is neither infinite or NaN (not a number), returns 0 otherwise. @@ -2554,15 +2626,15 @@ This macro returns the concatenation of two tokens \arg{x} and \arg{y}. \func{}{wxDYNLIB\_FUNCTION}{\param{}{type}, \param{}{name}, \param{}{dynlib}} -When loading a function from a DLL you always have to cast the returned -\tt{void *} pointer to the correct type and, even more annoyingly, you have to +When loading a function from a DLL you always have to cast the returned +{\tt void *} pointer to the correct type and, even more annoyingly, you have to repeat this type twice if you want to declare and define a function pointer all in one line This macro makes this slightly less painful by allowing you to specify the type only once, as the first parameter, and creating a variable of this type named after the function but with {\tt pfn} prefix and initialized with the -function \arg{name} from the \helpref{wxDynamicLibrary}{wxdynamiclibrary} +function \arg{name} from the \helpref{wxDynamicLibrary}{wxdynamiclibrary} \arg{dynlib}. \wxheading{Parameters} @@ -2584,6 +2656,19 @@ code which might have to be compiled with an old compiler without support for this language feature but still take advantage of it when it is available. +\membersection{::wxGetKeyState}\label{wxgetkeystate} + +\func{bool}{wxGetKeyState}{\param{wxKeyCode }{key}} + +Returns \true if the key parameter is currently pressed on the keyboard, or +with modifier keys, (caps lock, etc) if the key is active (the led light is +on). + +\wxheading{Include files} + + + + \membersection{wxLL}\label{wxll} \func{wxLongLong\_t}{wxLL}{\param{}{number}} @@ -2768,6 +2853,21 @@ Gets the currently active window (Windows only). +\membersection{::wxGetBatteryState}\label{wxgetbatterystate} + +\func{wxBatteryState}{wxGetBatteryState}{\void} + +Returns battery state as one of \texttt{wxBATTERY\_NORMAL\_STATE}, +\texttt{wxBATTERY\_LOW\_STATE}, \texttt{wxBATTERY\_CRITICAL\_STATE}, +\texttt{wxBATTERY\_SHUTDOWN\_STATE} or \texttt{wxBATTERY\_UNKNOWN\_STATE}. +\texttt{wxBATTERY\_UNKNOWN\_STATE} is also the default on platforms where +this feature is not implemented. + +\wxheading{Include files} + + + + \membersection{::wxGetDisplayName}\label{wxgetdisplayname} \func{wxString}{wxGetDisplayName}{\void} @@ -2779,6 +2879,20 @@ Under X only, returns the current display name. See also \helpref{wxSetDisplayNa +\membersection{::wxGetPowerType}\label{wxgetpowertype} + +\func{wxPowerType}{wxGetPowerType}{\void} + +Returns the type of power source as one of \texttt{wxPOWER\_SOCKET}, +\texttt{wxPOWER\_BATTERY} or \texttt{wxPOWER\_UNKNOWN}. +\texttt{wxPOWER\_UNKNOWN} is also the default on platforms where this +feature is not implemented. + +\wxheading{Include files} + + + + \membersection{::wxGetMousePosition}\label{wxgetmouseposition} \func{wxPoint}{wxGetMousePosition}{\void} @@ -2825,6 +2939,28 @@ See also \helpref{wxWriteResource}{wxwriteresource}, \helpref{wxConfigBase}{wxco +\membersection{::wxGetStockLabel}\label{wxgetstocklabel} + +\func{wxString}{wxGetStockLabel}{\param{wxWindowID }{id}, \param{bool }{withCodes = true}, \param{wxString }{accelerator = wxEmptyString}} + +Returns label that should be used for given {\it id} element. + +\wxheading{Parameters} + +\docparam{id}{given id of the \helpref{wxMenuItem}{wxmenuitem}, \helpref{wxButton}{wxbutton}, \helpref{wxToolBar}{wxtoolbar} tool, etc.} + +\docparam{withCodes}{if false then strip accelerator code from the label; +usefull for getting labels without accelerator char code like for toolbar tooltip or +under platforms without traditional keyboard like smartphones} + +\docparam{accelerator}{optional accelerator string automatically added to label; useful +for building labels for \helpref{wxMenuItem}{wxmenuitem}} + +\wxheading{Include files} + + + + \membersection{::wxGetTopLevelParent}\label{wxgettoplevelparent} \func{wxWindow *}{wxGetTopLevelParent}{\param{wxWindow }{*win}} @@ -2948,6 +3084,19 @@ allows to define unsigned 64 bit compile time constants: \helpref{wxLL}{wxll}, \helpref{wxLongLong}{wxlonglong} +\membersection{wxVaCopy}\label{wxvacopy} + +\func{void}{wxVaCopy}{\param{va\_list }{argptrDst}, \param{va\_list}{argptrSrc}} + +This macro is the same as the standard C99 \texttt{va\_copy} for the compilers +which support it or its replacement for those that don't. It must be used to +preserve the value of a \texttt{va\_list} object if you need to use it after +passing it to another function because it can be modified by the latter. + +As with \texttt{va\_start}, each call to \texttt{wxVaCopy} must have a matching +\texttt{va\_end}. + + \membersection{::wxWriteResource}\label{wxwriteresource} \func{bool}{wxWriteResource}{\param{const wxString\& }{section}, \param{const wxString\& }{entry}, @@ -3103,9 +3252,9 @@ class wxCommand: public wxObject \func{}{DECLARE\_APP}{className} -This is used in headers to create a forward declaration of the -\helpref{wxGetApp}{wxgetapp} function implemented by -\helpref{IMPLEMENT\_APP}{implementapp}. It creates the declaration +This is used in headers to create a forward declaration of the +\helpref{wxGetApp}{wxgetapp} function implemented by +\helpref{IMPLEMENT\_APP}{implementapp}. It creates the declaration {\tt className\& wxGetApp(void)}. Example: @@ -3354,7 +3503,7 @@ Example: \helpref{RTTI overview}{runtimeclassoverview}\\ \helpref{wxDynamicCastThis}{wxdynamiccastthis}\\ \helpref{wxConstCast}{wxconstcast}\\ -\helpref{wxStatiicCast}{wxstaticcast} +\helpref{wxStaticCast}{wxstaticcast} \membersection{wxDynamicCastThis}\label{wxdynamiccastthis} @@ -3390,21 +3539,35 @@ result of executing an equivalent of {\tt static\_cast(ptr)}. \func{T}{wx\_const\_cast}{T, x} -Same as \texttt{const\_cast(x)} if the compiler supports const cast or +Same as \texttt{const\_cast(x)} if the compiler supports const cast or \texttt{(T)x} for old compilers. Unlike \helpref{wxConstCast}{wxconstcast}, the cast it to the type \arg{T} and not to \texttt{T *} and also the order of arguments is the same as for the standard cast. \wxheading{See also} -\helpref{wx\_static\_cast}{wxstaticcastraw}\\ +\helpref{wx\_reinterpret\_cast}{wxreinterpretcastraw},\\ +\helpref{wx\_static\_cast}{wxstaticcastraw} + + +\membersection{wx\_reinterpret\_cast}\label{wxreinterpretcastraw} + +\func{T}{wx\_reinterpret\_cast}{T, x} + +Same as \texttt{reinterpret\_cast(x)} if the compiler supports reinterpret cast or +\texttt{(T)x} for old compilers. + +\wxheading{See also} + +\helpref{wx\_const\_cast}{wxconstcastraw},\\ +\helpref{wx\_static\_cast}{wxstaticcastraw} \membersection{wx\_static\_cast}\label{wxstaticcastraw} \func{T}{wx\_static\_cast}{T, x} -Same as \texttt{static\_cast(x)} if the compiler supports static cast or +Same as \texttt{static\_cast(x)} if the compiler supports static cast or \texttt{(T)x} for old compilers. Unlike \helpref{wxStaticCast}{wxstaticcast}, there are no checks being done and the meaning of the macro arguments is exactly the same as for the standard static cast, i.e. \arg{T} is the full type name and @@ -3412,7 +3575,8 @@ star is not appended to it. \wxheading{See also} -\helpref{wx\_const\_cast}{wxconstcastraw}\\ +\helpref{wx\_const\_cast}{wxconstcastraw},\\ +\helpref{wx\_reinterpret\_cast}{wxreinterpretcastraw} @@ -3524,11 +3688,7 @@ the program work. \func{void}{wxVLogMessage}{\param{const char *}{formatString}, \param{va\_list }{argPtr}} For all normal, informational messages. They also appear in a message box by -default (but it can be changed). Notice that the standard behaviour is to not -show informational messages if there are any errors later - the logic being -that the later error messages make the informational messages preceding them -meaningless. - +default (but it can be changed). \membersection{::wxLogVerbose}\label{wxlogverbose} @@ -3627,7 +3787,14 @@ used by wxWidgets are: \item wxTRACE\_OleCalls: trace OLE method calls (Win32 only) \end{itemize} -The third version of the function only logs the message if all the bit +{\bf Caveats:} since both the mask and the format string are strings, +this might lead to function signature confusion in some cases: +if you intend to call the format string only version of wxLogTrace, +then add a \%s format string parameter and then supply a second string parameter for that \%s, the string mask version of wxLogTrace will erroneously get called instead, since you are supplying two string parameters to the function. +In this case you'll unfortunately have to avoid having two leading +string parameters, e.g. by adding a bogus integer (with its \%d format string). + +The third version of the function only logs the message if all the bits corresponding to the {\it mask} are set in the wxLog trace mask which can be set by \helpref{SetTraceMask}{wxlogsettracemask}. This version is less flexible than the previous one because it doesn't allow defining the user @@ -3837,6 +4004,33 @@ Returns the number of seconds since GMT 00:00:00 Jan 1st 1970. +\membersection{::wxMicroSleep}\label{wxmicrosleep} + +\func{void}{wxMicroSleep}{\param{unsigned long}{ microseconds}} + +Sleeps for the specified number of microseconds. The microsecond resolution may +not, in fact, be available on all platforms (currently only Unix platforms with +nanosleep(2) may provide it) in which case this is the same as +\helpref{wxMilliSleep}{wxmillisleep}(\arg{microseconds}$/1000$). + +\wxheading{Include files} + + + + +\membersection{::wxMilliSleep}\label{wxmillisleep} + +\func{void}{wxMilliSleep}{\param{unsigned long}{ milliseconds}} + +Sleeps for the specified number of milliseconds. Notice that usage of this +function is encouraged instead of calling usleep(3) directly because the +standard usleep() function is not MT safe. + +\wxheading{Include files} + + + + \membersection{::wxNow}\label{wxnow} \func{wxString}{wxNow}{\void} @@ -3876,13 +4070,10 @@ See also \helpref{wxTimer}{wxtimer}. \func{void}{wxUsleep}{\param{unsigned long}{ milliseconds}} -Sleeps for the specified number of milliseconds. Notice that usage of this -function is encouraged instead of calling usleep(3) directly because the -standard usleep() function is not MT safe. - -\wxheading{Include files} - - +This function is deprecated because its name is misleading: notice that the +argument is in milliseconds, not microseconds. Please use either +\helpref{wxMilliSleep}{wxmillisleep} or \helpref{wxMicroSleep}{wxmicrosleep} +depending on the resolution you need. @@ -3984,8 +4175,8 @@ either change the line in which either of them appears on or use the \helpref{wxCOMPILE\_TIME\_ASSERT2}{wxcompiletimeassert2} macro. Also note that Microsoft Visual C++ has a bug which results in compiler errors -if you use this macro with ``Program Database For Edit And Continue'' -(\texttt{/ZI}) option, so you shouldn't use it (``Program Database'' +if you use this macro with `Program Database For Edit And Continue' +(\texttt{/ZI}) option, so you shouldn't use it (`Program Database' (\texttt{/Zi}) is ok though) for the code making use of this macro. \wxheading{See also} @@ -4099,11 +4290,10 @@ In release mode this function does nothing. \func{bool}{wxIsDebuggerRunning}{\void} -Returns {\tt true} if the program is running under debugger, {\tt false} -otherwise. +Returns \true if the program is running under debugger, \false otherwise. -Please note that this function is currently only implemented for Mac builds -using CodeWarrior and always returns {\tt false} elsewhere. +Please note that this function is currently only implemented for Win32 and Mac +builds using CodeWarrior and always returns \false elsewhere.