X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b5d9d763f7cceb415dd96033c05c6f181662bce9..8bd410eb8082d9e009ece7cc279faa5f73ea1f5e:/interface/wx/utils.h

diff --git a/interface/wx/utils.h b/interface/wx/utils.h
index 096429dee5..490cf53f61 100644
--- a/interface/wx/utils.h
+++ b/interface/wx/utils.h
@@ -169,8 +169,9 @@ void wxInfoMessageBox(wxWindow parent = NULL);
 wxChar* wxGetenv(const wxString& var);
 
 /**
-    Returns the current value of the environment variable @c var in @c value.
-    @c value may be @NULL if you just want to know if the variable exists and
+    Returns the current value of the environment variable @a var in @a value.
+
+    @a value may be @NULL if you just want to know if the variable exists and
     are not interested in its value.
 
     Returns @true if the variable exists, @false otherwise.
@@ -180,10 +181,24 @@ wxChar* wxGetenv(const wxString& var);
 bool wxGetEnv(const wxString& var, wxString* value);
 
 /**
-    Sets the value of the environment variable @c var (adding it if necessary)
-    to @c value.
-
-    Returns @true on success.
+    Sets the value of the environment variable @a var (adding it if necessary)
+    to @a value.
+
+    Notice that under Windows platforms the program may have two different
+    environment blocks: the first one is that of a Windows process and is
+    always present, but the CRT may maintain its own independent copy of the
+    environment. wxSetEnv() will always update the first copy, which means that
+    wxGetEnv(), which uses it directly, will always return the expected value
+    after this call. But wxSetEnv() only updates the second copy for some
+    compilers/CRT implementations (currently only MSVC) and so using wxGetenv()
+    (notice the difference in case) may not return the updated value.
+
+    @param var
+        The environment variable to be set, must not contain @c '=' character.
+    @param value
+        New value of the variable.
+    @return
+        @true on success or @false if changing the value failed.
 
     @see wxUnsetEnv()
 
@@ -192,8 +207,9 @@ bool wxGetEnv(const wxString& var, wxString* value);
 bool wxSetEnv(const wxString& var, const wxString& value);
 
 /**
-    Removes the variable @c var from the environment. wxGetEnv() will return
-    @NULL after the call to this function.
+    Removes the variable @a var from the environment.
+
+    wxGetEnv() will return @NULL after the call to this function.
 
     Returns @true on success.
 
@@ -633,8 +649,34 @@ bool wxGetUserName(char* buf, int sz);
 wxString wxGetOsDescription();
 
 /**
-    Gets the version and the operating system ID for currently running OS. See
-    wxPlatformInfo for more details about wxOperatingSystemId.
+    Gets the version and the operating system ID for currently running OS. 
+    The returned wxOperatingSystemId value can be used for a basic categorization
+    of the OS family; the major and minor version numbers allows to detect a specific
+    system.
+    
+    For Unix-like systems (@c wxOS_UNIX) the major and minor version integers will 
+    contain the kernel major and minor version numbers (as returned by the
+    'uname -r' command); e.g. "2" and "6" if the machine is using kernel 2.6.19.
+
+    For Mac OS X systems (@c wxOS_MAC) the major and minor version integers are the
+    natural version numbers associated with the OS; e.g. "10" and and "6" if the machine
+    is using Mac OS X Snow Leopard.    
+    
+    For Windows-like systems (@c wxOS_WINDOWS) the major and minor version integers will 
+    contain the following values:
+    @beginTable
+    @row3col{<b>Windows OS name</b>, <b>Major version</b>, <b>Minor version</b>}
+    @row3col{Windows 7,                 6, 1}
+    @row3col{Windows Server 2008 R2,    6, 1}
+    @row3col{Windows Server 2008,       6, 0}
+    @row3col{Windows Vista,             6, 0}
+    @row3col{Windows Server 2003 R2,    5, 2}
+    @row3col{Windows Server 2003,       5, 2}
+    @row3col{Windows XP,                5, 1}
+    @row3col{Windows 2000,              5, 0}
+    @endDefList
+    See the <a href="http://msdn.microsoft.com/en-us/library/ms724832(VS.85).aspx">MSDN</a>
+    for more info about the values above.
 
     @see wxGetOsDescription(), wxPlatformInfo
 
@@ -668,6 +710,23 @@ bool wxIsPlatform64Bit();
 */
 bool wxIsPlatformLittleEndian();
 
+/**
+    Returns a structure containing informations about the currently running
+    Linux distribution.
+    
+    This function uses the @c lsb_release utility which is part of the 
+    <tt>Linux Standard Base Core</tt> specification 
+    (see http://refspecs.linux-foundation.org/lsb.shtml) since the very first LSB 
+    release 1.0 (released in 2001).
+    The @c lsb_release utility is very common on modern Linux distributions but in
+    case it's not available, then this function will return a ::wxLinuxDistributionInfo
+    structure containing empty strings.
+    
+    This function is Linux-specific and is only available when the @c __LINUX__
+    symbol is defined.
+*/
+wxLinuxDistributionInfo wxGetLinuxDistributionInfo();
+
 //@}
 
 
@@ -747,9 +806,7 @@ bool wxIsPlatformLittleEndian();
     @header{wx/utils.h}
 
     @beginWxPerlOnly
-    This function is called @c Wx::ExecuteStdoutStderr and it only takes the
-    @a command argument, and returns a 3-element list (@c status, @c output,
-    @c errors), where @c output and @c errors are array references.
+    In wxPerl this function is called @c Wx::ExecuteCommand.
     @endWxPerlOnly
 */
 long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC,
@@ -782,6 +839,10 @@ long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC,
          wxLaunchDefaultApplication(), wxLaunchDefaultBrowser()
 
     @header{wx/utils.h}
+
+    @beginWxPerlOnly
+    In wxPerl this function is called @c Wx::ExecuteArgs.
+    @endWxPerlOnly
 */
 long wxExecute(char** argv, int flags = wxEXEC_ASYNC,
                 wxProcess* callback = NULL);
@@ -814,6 +875,12 @@ long wxExecute(wchar_t** argv, int flags = wxEXEC_ASYNC,
          wxLaunchDefaultApplication(), wxLaunchDefaultBrowser()
 
     @header{wx/utils.h}
+
+    @beginWxPerlOnly
+    This function is called @c Wx::ExecuteStdout: it only takes the
+    @a command argument, and returns a 2-element list (@c status, @c output),
+    where @c output in an array reference.
+    @endWxPerlOnly
 */
 long wxExecute(const wxString& command, wxArrayString& output, int flags = 0);
 
@@ -841,6 +908,12 @@ long wxExecute(const wxString& command, wxArrayString& output, int flags = 0);
          wxLaunchDefaultApplication(), wxLaunchDefaultBrowser()
 
     @header{wx/utils.h}
+
+    @beginWxPerlOnly
+    This function is called @c Wx::ExecuteStdoutStderr: it only takes the
+    @a command argument, and returns a 3-element list (@c status, @c output,
+    @c errors), where @c output and @c errors are array references.
+    @endWxPerlOnly
 */
 long wxExecute(const wxString& command, wxArrayString& output,
                 wxArrayString& errors, int flags = 0);