X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/08873d362be3e09d83b2da7b062f5c5f4e4f3711..8e1bf7046ee361c3078cdf8ec1f0456e57a6ede5:/docs/latex/wx/function.tex

diff --git a/docs/latex/wx/function.tex b/docs/latex/wx/function.tex
index 8a74f3974e..7b87b4fdac 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}\\
@@ -31,6 +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}\\
@@ -38,6 +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}\\
@@ -100,6 +102,8 @@ the corresponding topic.
 \helpref{wxGetCwd}{wxgetcwd}\\
 \helpref{wxGetDiskSpace}{wxgetdiskspace}\\
 \helpref{wxGetDisplayName}{wxgetdisplayname}\\
+\helpref{wxGetDisplaySize}{wxdisplaysize}\\
+\helpref{wxGetDisplaySizeMM}{wxdisplaysizemm}\\
 \helpref{wxGetElapsedTime}{wxgetelapsedtime}\\
 \helpref{wxGetEmailAddress}{wxgetemailaddress}\\
 \helpref{wxGetEnv}{wxgetenv}\\
@@ -234,11 +238,13 @@ 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}
@@ -253,6 +259,8 @@ 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
@@ -263,11 +271,23 @@ 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}
 
 <wx/version.h> or <wx/defs.h>
 
 
+\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}}
@@ -291,13 +311,12 @@ 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}
@@ -502,14 +521,14 @@ 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} 
 and it only takes the {\tt command} argument,
@@ -534,9 +553,12 @@ 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
@@ -558,14 +580,15 @@ 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 
+\textt{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
@@ -610,7 +633,7 @@ 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
@@ -655,6 +678,12 @@ 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
@@ -872,7 +901,7 @@ threads.
 
 \wxheading{Include files}
 
-<wx/utils.h>
+<wx/filefn.h>
 
 \wxheading{See also}
 
@@ -933,6 +962,10 @@ 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.
@@ -1010,6 +1043,18 @@ 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},
@@ -1397,7 +1442,7 @@ if successful, {\tt false} otherwise.
 
 
 
-\section{String functions}
+\section{String functions}\label{stringfunctions}
 
 
 \membersection{::copystring}\label{copystring}
@@ -1714,7 +1759,7 @@ 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
@@ -1883,8 +1928,9 @@ 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
@@ -1899,7 +1945,7 @@ 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,
@@ -2099,7 +2145,7 @@ 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}
 
@@ -2121,7 +2167,7 @@ checkbox which is shown in the tips dialog.}
 
 
 
-\section{Math functions}
+\section{Math functions}\label{mathfunctions}
 
 \wxheading{Include files}
 
@@ -2956,6 +3002,19 @@ 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},
@@ -3405,7 +3464,21 @@ 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<T>(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}
@@ -3420,7 +3493,8 @@ star is not appended to it.
 
 \wxheading{See also}
 
-\helpref{wx\_const\_cast}{wxconstcastraw}\\
+\helpref{wx\_const\_cast}{wxconstcastraw},\\
+\helpref{wx\_reinterpret\_cast}{wxreinterpretcastraw}
 
 
 
@@ -3635,7 +3709,14 @@ 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
@@ -4016,8 +4097,8 @@ 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}