\twocolitem{\textbf{wxConvLibc}}{Uses the standard ANSI C \texttt{mbstowcs()} and
\texttt{wcstombs()} functions to perform the conversions; thus depends on the
current locale.}
+\twocolitem{\textbf{wxConvLocal}}{Another conversion corresponding to the
+current locale but this one uses the best available conversion.}
+\twocolitem{\textbf{wxConvUI}}{The conversion used for hte standard UI elements
+such as menu items and buttons. This is a pointer which is initially set to
+\texttt{wxConvLocal} as the program uses the current locale by default but can
+be set to some specific conversion if the program needs to use a specific
+encoding for its UI.}
+\twocolitem{\textbf{wxConvISO8859\_1}}{Conversion to and from ISO-8859-1 (Latin I)
+encoding.}
+\twocolitem{\textbf{wxConvUTF8}}{Conversion to and from UTF-8 encoding.}
\twocolitem{\textbf{wxConvFile}}{The appropriate conversion for the file names,
depends on the system.}
+% \twocolitem{\textbf{wxConvCurrent}}{Not really clear what is it for...}
\end{twocollist}
\membersection{wxMBConv::FromWChar}\label{wxmbconvfromwchar}
-\constfunc{virtual size\_t}{FromWChar}{\param{wchar\_t *}{dst}, \param{size\_t }{dstLen}, \param{const char *}{src}, \param{size\_t }{srcLen = $-1$}}
-
-The most general function for converting a multibyte string to a wide string.
-The main case is when \arg{dst} is not \NULL and \arg{srcLen} is not $-1$: then
-the function converts exactly \arg{srcLen} bytes starting at \arg{src} into
-wide string which it output to \arg{dst}. If the length of the resulting wide
-string is greater than \arg{dstLen}, an error is returned. Note that if
-\arg{srcLen} bytes don't include \NUL characters, the resulting wide string is
-not \NUL-terminated neither.
-
-If \arg{srcLen} is $-1$, the function supposes that the string is properly
-(i.e. as necessary for the encoding handled by this conversion) \NUL-terminated
-and converts the entire string, including any trailing \NUL bytes. In this case
-the wide string is also \NUL-terminated.
-
-Finally, if \arg{dst} is \NULL, the function returns the length of the needed
-buffer.
-
-\wxheading{Return value}
-
-The number of characters written to \arg{dst} (or the number of characters
-which would have been written to it if it were non-\NULL) on success or
-\texttt{wxCONV\_FAILED} on error.
+\constfunc{virtual size\_t}{FromWChar}{\param{char\_t *}{dst}, \param{size\_t }{dstLen}, \param{const wchar\_t *}{src}, \param{size\_t }{srcLen = wxNO\_LEN}}
+This function has the same semantics as \helpref{ToWChar}{wxmbconvtowchar}
+except that it converts a wide string to multibyte one.
\membersection{wxMBConv::GetMaxMBNulLen}\label{wxmbconvgetmaxmbnullen}
This function returns $1$ for most of the multibyte encodings in which the
string is terminated by a single \NUL, $2$ for UTF-16 and $4$ for UTF-32 for
which the string is terminated with $2$ and $4$ \NUL characters respectively.
-The other cases are not currently supported and $-1$ is returned for them.
+The other cases are not currently supported and \texttt{wxCONV\_FAILED}
+(defined as $-1$) is returned for them.
\membersection{wxMBConv::ToWChar}\label{wxmbconvtowchar}
-\constfunc{virtual size\_t}{ToWChar}{\param{char\_t *}{dst}, \param{size\_t }{dstLen}, \param{const wchar\_t *}{src}, \param{size\_t }{srcLen = $-1$}}
+\constfunc{virtual size\_t}{ToWChar}{\param{wchar\_t *}{dst}, \param{size\_t }{dstLen}, \param{const char *}{src}, \param{size\_t }{srcLen = wxNO\_LEN}}
-This function has the same semantics as \helpref{FromWChar}{wxmbconvfromwchar}
-except that it converts a wide string to multibyte one.
+The most general function for converting a multibyte string to a wide string.
+The main case is when \arg{dst} is not \NULL and \arg{srcLen} is not
+\texttt{wxNO\_LEN} (which is defined as \texttt{(size\_t)$-1$}): then
+the function converts exactly \arg{srcLen} bytes starting at \arg{src} into
+wide string which it output to \arg{dst}. If the length of the resulting wide
+string is greater than \arg{dstLen}, an error is returned. Note that if
+\arg{srcLen} bytes don't include \NUL characters, the resulting wide string is
+not \NUL-terminated neither.
+
+If \arg{srcLen} is \texttt{wxNO\_LEN}, the function supposes that the string is
+properly (i.e. as necessary for the encoding handled by this conversion)
+\NUL-terminated and converts the entire string, including any trailing \NUL
+bytes. In this case the wide string is also \NUL-terminated.
+
+Finally, if \arg{dst} is \NULL, the function returns the length of the needed
+buffer.
+
+\wxheading{Return value}
+
+The number of characters written to \arg{dst} (or the number of characters
+which would have been written to it if it were non-\NULL) on success or
+\texttt{wxCONV\_FAILED} on error.
projects / wxWidgets.git / blobdiff