\helpref{wxIsNaN}{wxisnan}\\
\helpref{wxIsWild}{wxiswild}\\
\helpref{wxKill}{wxkill}\\
+\helpref{wxLaunchDefaultBrowser}{wxlaunchdefaultbrowser}\\
\helpref{wxLEAVE\_CRIT\_SECT}{wxleavecritsect}\\
\helpref{wxLoadUserResource}{wxloaduserresource}\\
\helpref{wxLogDebug}{wxlogdebug}\\
\helpref{wxNewId}{wxnewid}\\
\helpref{wxNow}{wxnow}\\
\helpref{wxOnAssert}{wxonassert}\\
+\helpref{wxON\_BLOCK\_EXIT}{wxonblockexit}\\
+\helpref{wxON\_BLOCK\_EXIT\_OBJ}{wxonblockexitobj}\\
\helpref{wxOpenClipboard}{wxopenclipboard}\\
\helpref{wxParseCommonDialogsFilter}{wxparsecommondialogsfilter}\\
-\helpref{wxPathExists}{functionwxpathexists}\\
+\helpref{wxDirExists}{functionwxdirexists}\\
\helpref{wxPathOnly}{wxpathonly}\\
\helpref{wxPostDelete}{wxpostdelete}\\
\helpref{wxPostEvent}{wxpostevent}\\
\helpref{wx\_reinterpret\_cast}{wxreinterpretcastraw}\\
\helpref{wx\_static\_cast}{wxstaticcastraw}\\
\helpref{\_}{underscore}\\
+\helpref{wxPLURAL}{wxplural}\\
\helpref{\_T}{underscoret}
\helpref{wxApp}{wxapp} object at all. In this case you must call it from your
{\tt main()} function before calling any other wxWidgets functions.
-If the function returns {\tt false} the initialization could not be performed,
+If the function returns \false the initialization could not be performed,
in this case the library cannot be used and
\helpref{wxUninitialize}{wxuninitialize} shouldn't be called neither.
\wxheading{Returns}
-{\tt true} on success, {\tt false} if an error occured.
+\true on success, \false if an error occurred.
\wxheading{Include files}
\func{bool}{wxIsMainThread}{\void}
-Returns {\tt true} if this thread is the main one. Always returns {\tt true} if
+Returns \true if this thread is the main one. Always returns \true if
{\tt wxUSE\_THREADS} is $0$.
Returns time of last modification of given file.
+The return value is $0$ if an error occured (e.g. file not found).
+
\membersection{::wxFileNameFromPath}\label{wxfilenamefrompath}
\wxheading{Warning}
-As of wx 2.5.2, these functions are not thread-safe! (use static variables)
+As of wx 2.5.2, these functions are not thread-safe! (they use static variables). You probably want to use \helpref{wxDir::GetFirst}{wxdirgetfirst} or \helpref{wxDirTraverser}{wxdirtraverser} instead.
{\it spec} may contain wildcards.
\wxheading{Returns}
-{\tt true} on success, {\tt false} if an error occured (for example, the
+\true on success, \false if an error occurred (for example, the
directory doesn't exist).
\wxheading{Portability}
or drive name at the beginning.
-\membersection{::wxPathExists}\label{functionwxpathexists}
+\membersection{::wxDirExists}\label{functionwxdirexists}
-\func{bool}{wxPathExists}{\param{const wxString\& }{dirname}}
+\func{bool}{wxDirExists}{\param{const wxString\& }{dirname}}
Returns true if the path exists.
the PENWIN.INI file is used.
The first variant of this function returns the user name if successful or an
-empty string otherwise. The second (deprecated) function returns {\tt true}
-if successful, {\tt false} otherwise.
+empty string otherwise. The second (deprecated) function returns \true
+if successful, \false otherwise.
\wxheading{See also}
The second form is used when retrieving translation of string that has
different singular and plural form in English or different plural forms in some
-other language. It takes two extra arguments: \arg{str}
-parameter must contain the singular form of the string to be converted.
-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',
+other language. It takes two extra arguments: as above, \arg{str}
+parameter must contain the singular form of the string to be converted and
+is 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}.
-See \urlref{GNU gettext manual}{http://www.gnu.org/manual/gettext/html\_chapter/gettext\_10.html\#SEC150} for additional information on plural forms handling.
+
+See \urlref{GNU gettext manual}{http://www.gnu.org/manual/gettext/html\_chapter/gettext\_10.html\#SEC150}
+for additional information on plural forms handling. For a shorter alternative
+see the \helpref{wxPLURAL()}{wxplural} macro.
Both versions call \helpref{wxLocale::GetString}{wxlocalegetstring}.
+Note that this function is not suitable for literal strings in Unicode
+builds, since the literal strings must be enclosed into
+\helpref{\_T()}{underscoret} or \helpref{wxT}{wxt} macro which makes them
+unrecognised by \texttt{xgettext}, and so they are not extracted to the message
+catalog. Instead, use the \helpref{\_()}{underscore} and
+\helpref{wxPLURAL}{wxplural} macro for all literal strings.
+
+
\membersection{::wxIsEmpty}\label{wxisempty}
\func{bool}{wxIsEmpty}{\param{const char *}{ p}}
-Returns {\tt true} if the pointer is either {\tt NULL} or points to an empty
-string, {\tt false} otherwise.
+Returns \true if the pointer is either {\tt NULL} or points to an empty
+string, \false otherwise.
\membersection{::wxStrcmp}\label{wxstrcmp}
{\bf NB:} This function is obsolete, use \helpref{wxString::Find}{wxstringfind} instead.
-Returns {\tt true} if the substring {\it s1} is found within {\it s2},
-ignoring case if {\it exact} is false. If {\it subString} is {\tt false},
+Returns \true if the substring {\it s1} is found within {\it s2},
+ignoring case if {\it exact} is false. If {\it subString} is \false,
no substring matching is done.
Don't confuse this macro with \helpref{\_T()}{underscoret}!
+\membersection{wxPLURAL}\label{wxplural}
+
+\func{const wxChar *}{wxPLURAL}{\param{const char *}{sing}, \param{const char *}{plur}, \param{size\_t}{n}}
+
+This macro is identical to \helpref{\_()}{underscore} but for the plural variant
+of \helpref{wxGetTranslation}{wxgettranslation}.
+
+
\membersection{\_T}\label{underscoret}
\func{wxChar}{\_T}{\param{char }{ch}}
\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).
+For normal keys, returns \true if the specified key is currently down.
+
+For togglable keys (Caps Lock, Num Lock and Scroll Lock), returns
+\true if the key is toggled such that its LED indicator is lit. There is
+currently no way to test whether togglable keys are up or down.
+
+Even though there are virtual key codes defined for mouse buttons, they
+cannot be used with this function currently.
\wxheading{Include files}
<wx/utils.h>
+\membersection{wxON\_BLOCK\_EXIT}\label{wxonblockexit}
+
+\func{}{wxON\_BLOCK\_EXIT0}{\param{}{func}}
+\func{}{wxON\_BLOCK\_EXIT1}{\param{}{func}, \param{}{p1}}
+\func{}{wxON\_BLOCK\_EXIT2}{\param{}{func}, \param{}{p1}, \param{}{p2}}
+
+This family of macros allows to ensure that the global function \arg{func}
+with 0, 1, 2 or more parameters (up to some implementaton-defined limit) is
+executed on scope exit, whether due to a normal function return or because an
+exception has been thrown. A typical example of its usage:
+\begin{verbatim}
+ void *buf = malloc(size);
+ wxON_BLOCK_EXIT1(free, buf);
+\end{verbatim}
+
+Please see the original article by Andrei Alexandrescu and Petru Marginean
+published in December 2000 issue of \emph{C/C++ Users Journal} for more
+details.
+
+\wxheading{Include files}
+
+<wx/scopeguard.h>
+
+\wxheading{See also}
+
+\helpref{wxON\_BLOCK\_EXIT\_OBJ}{wxonblockexitobj}
+
+
+\membersection{wxON\_BLOCK\_EXIT\_OBJ}\label{wxonblockexitobj}
+
+\func{}{wxON\_BLOCK\_EXIT\_OBJ0}{\param{}{obj}, \param{}{method}}
+\func{}{wxON\_BLOCK\_EXIT\_OBJ1}{\param{}{obj}, \param{}{method}, \param{}{p1}}
+\func{}{wxON\_BLOCK\_EXIT\_OBJ2}{\param{}{obj}, \param{}{method}, \param{}{p1}, \param{}{p2}}
+
+This family of macros is similar to \helpref{wxON\_BLOCK\_EXIT}{wxonblockexit}
+but calls a method of the given object instead of a free function.
+
+\wxheading{Include files}
+
+<wx/scopeguard.h>
+
+
\membersection{::wxRegisterId}\label{wxregisterid}
\func{void}{wxRegisterId}{\param{long}{ id}}
<wx/window.h>
+\membersection{::wxLaunchDefaultBrowser}\label{wxlaunchdefaultbrowser}
+
+\func{bool}{wxLaunchDefaultBrowser}{\param{const wxString\& }{sUrl}}
+
+Launches the user's default browser and tells it to open the location at {\tt sUrl}.
+
+Returns true if the application was successfully launched.
+
+\wxheading{Include files}
+
+<wx/utils.h>
+
\membersection{::wxLoadUserResource}\label{wxloaduserresource}
\func{wxString}{wxLoadUserResource}{\param{const wxString\& }{resourceName}, \param{const wxString\& }{resourceType=``TEXT"}}
\func{}{DECLARE\_DYNAMIC\_CLASS}{className}
-Used inside a class declaration to declare that the objects of this class should be dynamically
-creatable from run-time type information.
+Used inside a class declaration to make the class known to wxWidgets RTTI
+system and also declare that the objects of this class should be dynamically
+creatable from run-time type information. Notice that this implies that the
+class should have a default constructor, if this is not the case consider using
+\helpref{DECLARE\_CLASS}{declareclass}.
Example:
{\it value} may be {\tt NULL} if you just want to know if the variable exists
and are not interested in its value.
-Returns {\tt true} if the variable exists, {\tt false} otherwise.
+Returns \true if the variable exists, \false otherwise.
\membersection{wxSetEnv}\label{wxsetenv}
Sets the value of the environment variable {\it var} (adding it if necessary)
to {\it value}.
-Returns {\tt true} on success.
+Returns \true on success.
\membersection{wxUnsetEnv}\label{wxunsetenv}
\helpref{wxGetEnv}{wxgetenv} will return {\tt NULL} after the call to this
function.
-Returns {\tt true} on success.
+Returns \true on success.
projects / wxWidgets.git / blobdiff