allows you to write the same code regardless of whether you're working with
the registry under Win32 or text-based config files under Unix (or even
Windows 3.1 .INI files if you're really unlucky). To make writing the portable
-code even easier, wxWindows provides a typedef wxConfig
+code even easier, wxWidgets provides a typedef wxConfig
which is mapped onto the native wxConfigBase implementation on the given
-platform: i.e. wxRegConfig under Win32, wxIniConfig under Win16 and
+platform: i.e. wxRegConfig under Win32 (optionally wxIniConfig) and
wxFileConfig otherwise.
See \helpref{config overview}{wxconfigoverview} for the descriptions of all
\wxheading{Include files}
-<wx/config.h> (to let wxWindows choose a wxConfig class for your platform)\\
+<wx/config.h> (to let wxWidgets choose a wxConfig class for your platform)\\
<wx/confbase.h> (base config class)\\
-<wx/fileconf.h> (wxFileconfig class)\\
+<wx/fileconf.h> (wxFileConfig class)\\
<wx/msw/regconf.h> (wxRegConfig class)\\
<wx/msw/iniconf.h> (wxIniConfig class)
consuming operation). In this case, you may create this global config object
in the very start of the program and {\it Set()} it as the default. Then, from
anywhere in your program, you may access it using the {\it Get()} function.
-Note that wxWindows will delete this config object for you during the program
-shutdown (from \helpref{wxApp::OnExit}{wxapponexit} to be precise) but you can
-also do it yourself earlier if needed.
+Note that you must delete this object (usually in \helpref{wxApp::OnExit}{wxapponexit})
+in order to avoid memory leaks, wxWidgets won't do it automatically.
As it happens, you may even further simplify the procedure described above:
you may forget about calling {\it Set()}. When {\it Get()} is called and there
is no current object, it will create one using {\it Create()} function. To
disable this behaviour {\it DontCreateOnDemand()} is provided.
-{\bf Note:} You should use either {\it Set()} or {\it Get()} because wxWindows
+{\bf Note:} You should use either {\it Set()} or {\it Get()} because wxWidgets
library itself would take advantage of it and could save various information
in it. For example \helpref{wxFontMapper}{wxfontmapper} or Unix version
of \helpref{wxFileDialog}{wxfiledialog} have ability to use wxConfig class.
\membersection{Enumeration}
The functions in this section allow to enumerate all entries and groups in the
-config file. All functions here return FALSE when there are no more items.
+config file. All functions here return false when there are no more items.
You must pass the same index to GetNext and GetFirst (don't modify it).
Please note that it is {\bf not} the index of the current item (you will have
\membersection{Rename entries/groups}
The functions in this section allow to rename entries or subgroups of the
-current group. They will return FALSE on error. typically because either the
+current group. They will return false on error. typically because either the
entry/group with the original name doesn't exist, because the entry/group with
the new name already exists or because the function is not supported in this
wxConfig implementation.
Although this feature is very useful, it may be annoying if you read a value
which containts '\$' or '\%' symbols (\% is used for environment variables
expansion under Windows) which are not used for environment variable
-expansion. In this situation you may call SetExpandEnvVars(FALSE) just before
-reading this value and SetExpandEnvVars(TRUE) just after. Another solution
+expansion. In this situation you may call SetExpandEnvVars(false) just before
+reading this value and SetExpandEnvVars(true) just after. Another solution
would be to prefix the offending symbols with a backslash.
The following functions control this option:
\param{const wxString\& }{vendorName = wxEmptyString},
\param{const wxString\& }{localFilename = wxEmptyString},
\param{const wxString\& }{globalFilename = wxEmptyString},
- \param{long}{ style = 0}}
+ \param{long}{ style = 0},
+ \param{wxMBConv\&}{ conv = wxConvUTF8}}
This is the default and only constructor of the wxConfigBase class, and
derived classes.
the parameter is empty, the parameter will be set to a default. If the
parameter is present but the style flag not, the relevant flag will be added
to the style. For wxFileConfig you can also add wxCONFIG\_USE\_RELATIVE\_PATH
-by logicaly or'ing it to either of the \_FILE options to tell wxFileConfig to
+by logically or'ing it to either of the \_FILE options to tell wxFileConfig to
use relative instead of absolute paths. For wxFileConfig, you can also
add wxCONFIG\_USE\_NO\_ESCAPE\_CHARACTERS which will turn off character
escaping for the values of entries stored in the config file: for example
-a {\it foo} key with some backslash characters will be stored as
-\begin{verbatim}
- foo=C:\mydir
-\end{verbatim}
-instead of the usual storage of
-\begin{verbatim}
- foo=C:\\mydir
-\end{verbatim}
+a {\it foo} key with some backslash characters will be stored as {\tt foo=C:$\backslash$mydir} instead
+of the usual storage of {\tt foo=C:$\backslash\backslash$mydir}.
+
The wxCONFIG\_USE\_NO\_ESCAPE\_CHARACTERS style can be helpful if your config
-file must be read or written to by a non-wxWindows program (which might not
+file must be read or written to by a non-wxWidgets program (which might not
understand the escape characters). Note, however, that if
wxCONFIG\_USE\_NO\_ESCAPE\_CHARACTERS style is used, it is is now
your application's responsibility to ensure that there is no newline or
other illegal characters in a value, before writing that value to the file.}
+\docparam{conv}{This parameter is only used by wxFileConfig when compiled
+in Unicode mode. It specifies the encoding in what the configuration file
+is written.}
+
+
\wxheading{Remarks}
By default, environment variable expansion is on and recording defaults is
\membersection{wxConfigBase::DeleteEntry}\label{wxconfigbasedeleteentry}
-\func{bool}{DeleteEntry}{\param{const wxString\& }{ key}, \param{bool}{ bDeleteGroupIfEmpty = TRUE}}
+\func{bool}{DeleteEntry}{\param{const wxString\& }{ key}, \param{bool}{ bDeleteGroupIfEmpty = true}}
Deletes the specified entry and the group it belongs to if it was the last key
in it and the second parameter is true.
\constfunc{bool}{Exists}{\param{wxString\& }{strName}}
-returns TRUE if either a group or an entry with a given name exists
+returns true if either a group or an entry with a given name exists
\membersection{wxConfigBase::Flush}\label{wxconfigbaseflush}
-\func{bool}{Flush}{\param{bool }{bCurrentOnly = FALSE}}
+\func{bool}{Flush}{\param{bool }{bCurrentOnly = false}}
permanently writes all changes (otherwise, they're only written from object's
destructor)
\membersection{wxConfigBase::Get}\label{wxconfigbaseget}
-\func{static wxConfigBase *}{Get}{\param{bool }{CreateOnDemand = TRUE}}
+\func{static wxConfigBase *}{Get}{\param{bool }{CreateOnDemand = true}}
Get the current config object. If there is no current object and
-{\it CreateOnDemand} is TRUE, creates one
+{\it CreateOnDemand} is true, creates one
(using {\it Create}) unless DontCreateOnDemand was called previously.
\membersection{wxConfigBase::GetAppName}\label{wxconfigbasegetappname}
\membersection{wxConfigBase::GetNumberOfEntries}\label{wxconfigbasegetnumberofentries}
-\constfunc{uint }{GetNumberOfEntries}{\param{bool }{bRecursive = FALSE}}
+\constfunc{uint }{GetNumberOfEntries}{\param{bool }{bRecursive = false}}
\membersection{wxConfigBase::GetNumberOfGroups}\label{wxconfigbasegetnumberofgroups}
-\constfunc{uint}{GetNumberOfGroups}{\param{bool }{bRecursive = FALSE}}
+\constfunc{uint}{GetNumberOfGroups}{\param{bool }{bRecursive = false}}
Get number of entries/subgroups in the current group, with or without its
subgroups.
\constfunc{bool}{HasEntry}{\param{wxString\& }{strName}}
-returns TRUE if the entry by this name exists
+returns true if the entry by this name exists
\membersection{wxConfigBase::HasGroup}\label{wxconfigbasehasgroup}
\constfunc{bool}{HasGroup}{\param{const wxString\& }{strName}}
-returns TRUE if the group by this name exists
+returns true if the group by this name exists
\membersection{wxConfigBase::IsExpandingEnvVars}\label{wxconfigbaseisexpandingenvvars}
\constfunc{bool}{IsExpandingEnvVars}{\void}
-Returns TRUE if we are expanding environment variables in key values.
+Returns true if we are expanding environment variables in key values.
\membersection{wxConfigBase::IsRecordingDefaults}\label{wxconfigbaseisrecordingdefaults}
\constfunc{bool}{IsRecordingDefaults}{\void}
-Returns TRUE if we are writing defaults back to the config file.
+Returns true if we are writing defaults back to the config file.
\membersection{wxConfigBase::Read}\label{wxconfigbaseread}
\constfunc{bool}{Read}{\param{const wxString\& }{key}, \param{wxString*}{ str}}
-Read a string from the key, returning TRUE if the value was read. If the key
+Read a string from the key, returning true if the value was read. If the key
was not found, {\it str} is not changed.
\constfunc{bool}{Read}{\param{const wxString\& }{key}, \param{wxString*}{ str}, \param{const wxString\& }{defaultVal}}
Read a string from the key. The default value is returned if the key was not
found.
-Returns TRUE if value was really read, FALSE if the default was used.
+Returns true if value was really read, false if the default was used.
\constfunc{wxString}{Read}{\param{const wxString\& }{key}, \param{const
wxString\& }{defaultVal}}
\constfunc{bool}{Read}{\param{const wxString\& }{ key}, \param{long*}{ l}}
-Reads a long value, returning TRUE if the value was found. If the value was
+Reads a long value, returning true if the value was found. If the value was
not found, {\it l} is not changed.
\constfunc{bool}{Read}{\param{const wxString\& }{ key}, \param{long*}{ l},
\param{long}{ defaultVal}}
-Reads a long value, returning TRUE if the value was found. If the value was
+Reads a long value, returning true if the value was found. If the value was
not found, {\it defaultVal} is used instead.
\constfunc{long }{Read}{\param{const wxString\& }{key}, \param{long}{ defaultVal}}
\constfunc{bool}{Read}{\param{const wxString\& }{ key}, \param{double*}{ d}}
-Reads a double value, returning TRUE if the value was found. If the value was
+Reads a double value, returning true if the value was found. If the value was
not found, {\it d} is not changed.
\constfunc{bool}{Read}{\param{const wxString\& }{ key}, \param{double*}{ d},
\param{double}{ defaultVal}}
-Reads a double value, returning TRUE if the value was found. If the value was
+Reads a double value, returning true if the value was found. If the value was
not found, {\it defaultVal} is used instead.
\constfunc{bool}{Read}{\param{const wxString\& }{ key}, \param{bool*}{ b}}
-Reads a bool value, returning TRUE if the value was found. If the value was
+Reads a bool value, returning true if the value was found. If the value was
not found, {\it b} is not changed.
\constfunc{bool}{Read}{\param{const wxString\& }{ key}, \param{bool*}{ d},
\param{bool}{ defaultVal}}
-Reads a bool value, returning TRUE if the value was found. If the value was
+Reads a bool value, returning true if the value was found. If the value was
not found, {\it defaultVal} is used instead.
\pythonnote{In place of a single overloaded method name, wxPython
the new one) shouldn't contain backslashes, i.e. only simple names and not
arbitrary paths are accepted by this function.
-Returns FALSE if the {\it oldName} doesn't exist or if {\it newName} already
+Returns false if the {\it oldName} doesn't exist or if {\it newName} already
exists.
\membersection{wxConfigBase::RenameGroup}\label{wxconfigbaserenamegroup}
the new one) shouldn't contain backslashes, i.e. only simple names and not
arbitrary paths are accepted by this function.
-Returns FALSE if the {\it oldName} doesn't exist or if {\it newName} already
+Returns false if the {\it oldName} doesn't exist or if {\it newName} already
exists.
\membersection{wxConfigBase::Set}\label{wxconfigbaseset}
\membersection{wxConfigBase::SetExpandEnvVars}\label{wxconfigbasesetexpandenvvars}
-\func{void}{SetExpandEnvVars }{\param{bool }{bDoIt = TRUE}}
+\func{void}{SetExpandEnvVars }{\param{bool }{bDoIt = true}}
Determine whether we wish to expand environment variables in key values.
\membersection{wxConfigBase::SetRecordDefaults}\label{wxconfigbasesetrecorddefaults}
-\func{void}{SetRecordDefaults}{\param{bool }{bDoIt = TRUE}}
+\func{void}{SetRecordDefaults}{\param{bool }{bDoIt = true}}
Sets whether defaults are recorded to the config file whenever an attempt to
read read the value which is not present in it is done.
\func{bool}{Write}{\param{const wxString\& }{ key}, \param{bool}{ value}}
-These functions write the specified value to the config file and return TRUE
+These functions write the specified value to the config file and return true
on success.
\pythonnote{In place of a single overloaded method name, wxPython
projects / wxWidgets.git / blobdiff