Fixed display of 'InlineHelp' attribute

[wxWidgets.git] / src / unix / utilsunx.cpp

diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index 823a853b25ead08b5bcb34639615a507c18dfd52..2e9973b6da81370f3a26771f0e860aab904f1b64 100644 (file)
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/unix/utilsunx.cpp
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/unix/utilsunx.cpp

-// Purpose:     generic Unix implementation of many wx functions
+// Purpose:     generic Unix implementation of many wx functions (for wxBase)

 // Author:      Vadim Zeitlin
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin
 // Author:      Vadim Zeitlin
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin


@@ -39,6 +39,8 @@
 #include "wx/process.h"
 #include "wx/thread.h"
 
 #include "wx/process.h"
 #include "wx/thread.h"
 

+#include "wx/cmdline.h"
+

 #include "wx/wfstream.h"
 
 #include "wx/private/selectdispatcher.h"
 #include "wx/wfstream.h"
 
 #include "wx/private/selectdispatcher.h"


@@ -200,7 +202,7 @@ void wxMicroSleep(unsigned long microseconds)
     tmReq.tv_nsec = (microseconds % 1000000) * 1000;
 
     // we're not interested in remaining time nor in return value
     tmReq.tv_nsec = (microseconds % 1000000) * 1000;
 
     // we're not interested in remaining time nor in return value

-    (void)nanosleep(&tmReq, (timespec *)NULL);
+    (void)nanosleep(&tmReq, NULL);

 #elif defined(HAVE_USLEEP)
     // uncomment this if you feel brave or if you are sure that your version
     // of Solaris has a safe usleep() function but please notice that usleep()
 #elif defined(HAVE_USLEEP)
     // uncomment this if you feel brave or if you are sure that your version
     // of Solaris has a safe usleep() function but please notice that usleep()


@@ -253,7 +255,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *rc, int flags)
 
             default:
                 // this goes against Unix98 docs so log it
 
             default:
                 // this goes against Unix98 docs so log it

-                wxLogDebug(_T("unexpected kill(2) return value %d"), err);
+                wxLogDebug(wxT("unexpected kill(2) return value %d"), err);

 
                 // something else...
                 *rc = wxKILL_ERROR;
 
                 // something else...
                 *rc = wxKILL_ERROR;


@@ -264,25 +266,31 @@ int wxKill(long pid, wxSignal sig, wxKillError *rc, int flags)
 }
 
 // Shutdown or reboot the PC
 }
 
 // Shutdown or reboot the PC

-bool wxShutdown(wxShutdownFlags wFlags)
+bool wxShutdown(int flags)

 {
 {

+    flags &= ~wxSHUTDOWN_FORCE;
+

     wxChar level;
     wxChar level;

-    switch ( wFlags )
+    switch ( flags )

     {
         case wxSHUTDOWN_POWEROFF:
     {
         case wxSHUTDOWN_POWEROFF:

-            level = _T('0');
+            level = wxT('0');

             break;
 
         case wxSHUTDOWN_REBOOT:
             break;
 
         case wxSHUTDOWN_REBOOT:

-            level = _T('6');
+            level = wxT('6');

             break;
 
             break;
 

+        case wxSHUTDOWN_LOGOFF:
+            // TODO: use dcop to log off?
+            return false;
+

         default:
         default:

-            wxFAIL_MSG( _T("unknown wxShutdown() flag") );
+            wxFAIL_MSG( wxT("unknown wxShutdown() flag") );

             return false;
     }
 
             return false;
     }
 

-    return system(wxString::Format(_T("init %c"), level).mb_str()) == 0;
+    return system(wxString::Format("init %c", level).mb_str()) == 0;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -318,7 +326,7 @@ bool wxPipeInputStream::CanRead() const
             return false;
 
         default:
             return false;
 
         default:

-            wxFAIL_MSG(_T("unexpected select() return value"));
+            wxFAIL_MSG(wxT("unexpected select() return value"));

             // still fall through
 
         case 1:
             // still fall through
 
         case 1:


@@ -341,12 +349,12 @@ static wxString wxMakeShellCommand(const wxString& command)
     if ( !command )
     {
         // just an interactive shell
     if ( !command )
     {
         // just an interactive shell

-        cmd = _T("xterm");
+        cmd = wxT("xterm");

     }
     else
     {
         // execute command in a shell
     }
     else
     {
         // execute command in a shell

-        cmd << _T("/bin/sh -c '") << command << _T('\'');
+        cmd << wxT("/bin/sh -c '") << command << wxT('\'');

     }
 
     return cmd;
     }
 
     return cmd;


@@ -359,7 +367,7 @@ bool wxShell(const wxString& command)
 
 bool wxShell(const wxString& command, wxArrayString& output)
 {
 
 bool wxShell(const wxString& command, wxArrayString& output)
 {

-    wxCHECK_MSG( !command.empty(), false, _T("can't exec shell non interactively") );
+    wxCHECK_MSG( !command.empty(), false, wxT("can't exec shell non interactively") );

 
     return wxExecute(wxMakeShellCommand(command), output);
 }
 
     return wxExecute(wxMakeShellCommand(command), output);
 }


@@ -382,6 +390,7 @@ public:
         }
     }
 
         }
     }
 

+#if wxUSE_UNICODE

     ArgsArray(wchar_t **wargv)
     {
         int argc = 0;
     ArgsArray(wchar_t **wargv)
     {
         int argc = 0;


@@ -395,6 +404,7 @@ public:
             m_argv[i] = wxSafeConvertWX2MB(wargv[i]).release();
         }
     }
             m_argv[i] = wxSafeConvertWX2MB(wargv[i]).release();
         }
     }

+#endif // wxUSE_UNICODE

 
     ~ArgsArray()
     {
 
     ~ArgsArray()
     {


@@ -419,7 +429,7 @@ private:
     int m_argc;
     char **m_argv;
 
     int m_argc;
     char **m_argv;
 

-    DECLARE_NO_COPY_CLASS(ArgsArray);
+    wxDECLARE_NO_COPY_CLASS(ArgsArray);

 };
 
 } // anonymous namespace
 };
 
 } // anonymous namespace


@@ -434,63 +444,14 @@ bool wxMacLaunch(char **argv);
 
 long wxExecute(const wxString& command, int flags, wxProcess *process)
 {
 
 long wxExecute(const wxString& command, int flags, wxProcess *process)
 {

-    wxArrayString args;
-
-    const char *cptr = command.c_str();
-
-    // split the command line in arguments
-    //
-    // TODO: combine this with wxCmdLineParser::ConvertStringToArgs(), it
-    //       doesn't do exactly the same thing right now but it's pretty close
-    //       and we shouldn't maintain 2 copies of this code
-    do
-    {
-        wxString argument;
-        char quotechar = '\0'; // is arg quoted?
-        bool escaped = false;
-
-        // eat leading whitespace:
-        while ( wxIsspace(*cptr) )
-            cptr++;
-
-        if ( *cptr == '\'' || *cptr == '"' )
-            quotechar = *cptr++;
-
-        do
-        {
-            if ( *cptr == '\\' && !escaped )
-            {
-                escaped = true;
-                cptr++;
-                continue;
-            }
-
-            // all other characters:
-            argument += *cptr++;
-            escaped = false;
-
-            // have we reached the end of the argument?
-            if ( (*cptr == quotechar && !escaped)
-                 || (quotechar == '\0' && wxIsspace(*cptr))
-                 || *cptr == '\0' )
-            {
-                args.push_back(argument);
-
-                // if not at end of buffer, swallow last character:
-                if ( *cptr )
-                    cptr++;
-
-                break; // done with this one, start over
-            }
-        } while ( *cptr );
-    } while ( *cptr );
-
-    ArgsArray argv(args);
+    ArgsArray argv(wxCmdLineParser::ConvertStringToArgs(command,
+                                                        wxCMD_LINE_SPLIT_UNIX));

 
 

-    // do execute the command

     return wxExecute(argv, flags, process);
 }
 
     return wxExecute(argv, flags, process);
 }
 

+#if wxUSE_UNICODE
+

 long wxExecute(wchar_t **wargv, int flags, wxProcess *process)
 {
     ArgsArray argv(wargv);
 long wxExecute(wchar_t **wargv, int flags, wxProcess *process)
 {
     ArgsArray argv(wargv);


@@ -498,6 +459,8 @@ long wxExecute(wchar_t **wargv, int flags, wxProcess *process)
     return wxExecute(argv, flags, process);
 }
 
     return wxExecute(argv, flags, process);
 }
 

+#endif // wxUSE_UNICODE
+

 // wxExecute: the real worker function
 long wxExecute(char **argv, int flags, wxProcess *process)
 {
 // wxExecute: the real worker function
 long wxExecute(char **argv, int flags, wxProcess *process)
 {


@@ -517,10 +480,10 @@ long wxExecute(char **argv, int flags, wxProcess *process)
     // don't know what yet, so for now just warn the user (this is the least we
     // can do) about it
     wxASSERT_MSG( wxThread::IsMain(),
     // don't know what yet, so for now just warn the user (this is the least we
     // can do) about it
     wxASSERT_MSG( wxThread::IsMain(),

-                    _T("wxExecute() can be called only from the main thread") );
+                    wxT("wxExecute() can be called only from the main thread") );

 #endif // wxUSE_THREADS
 
 #endif // wxUSE_THREADS
 

-#if defined(__DARWIN__)
+#if defined(__WXCOCOA__) || ( defined(__WXOSX_MAC__) && wxOSX_USE_COCOA_OR_CARBON )

     // wxMacLaunch() only executes app bundles and only does it asynchronously.
     // It returns false if the target is not an app bundle, thus falling
     // through to the regular code for non app bundles.
     // wxMacLaunch() only executes app bundles and only does it asynchronously.
     // It returns false if the target is not an app bundle, thus falling
     // through to the regular code for non app bundles.


@@ -579,30 +542,10 @@ long wxExecute(char **argv, int flags, wxProcess *process)
     }
     else if ( pid == 0 )  // we're in child
     {
     }
     else if ( pid == 0 )  // we're in child
     {

-        // These lines close the open file descriptors to to avoid any
-        // input/output which might block the process or irritate the user. If
-        // one wants proper IO for the subprocess, the right thing to do is to
-        // start an xterm executing it.
-        if ( !(flags & wxEXEC_SYNC) )
-        {
-            // FD_SETSIZE is unsigned under BSD, signed under other platforms
-            // so we need a cast to avoid warnings on all platforms
-            for ( int fd = 0; fd < (int)FD_SETSIZE; fd++ )
-            {
-                if ( fd == pipeIn[wxPipe::Read]
-                        || fd == pipeOut[wxPipe::Write]
-                        || fd == pipeErr[wxPipe::Write]
-                        || fd == (execData.pipeEndProcDetect)[wxPipe::Write] )
-                {
-                    // don't close this one, we still need it
-                    continue;
-                }
-
-                // leave stderr opened too, it won't do any harm
-                if ( fd != STDERR_FILENO )
-                    close(fd);
-            }
-        }
+        // NB: we used to close all the unused descriptors of the child here
+        //     but this broke some programs which relied on e.g. FD 1 being
+        //     always opened so don't do it any more, after all there doesn't
+        //     seem to be any real problem with keeping them opened

 
 #if !defined(__VMS) && !defined(__EMX__)
         if ( flags & wxEXEC_MAKE_GROUP_LEADER )
 
 #if !defined(__VMS) && !defined(__EMX__)
         if ( flags & wxEXEC_MAKE_GROUP_LEADER )


@@ -658,6 +601,8 @@ long wxExecute(char **argv, int flags, wxProcess *process)
     {
         // save it for WaitForChild() use
         execData.pid = pid;
     {
         // save it for WaitForChild() use
         execData.pid = pid;

+        if (execData.process)
+            execData.process->SetPid(pid);  // and also in the wxProcess

 
         // prepare for IO redirection
 
 
         // prepare for IO redirection
 


@@ -777,7 +722,7 @@ static wxString wxGetCommandOutput(const wxString &cmd)
     FILE *f = popen(cmd.ToAscii(), "r");
     if ( !f )
     {
     FILE *f = popen(cmd.ToAscii(), "r");
     if ( !f )
     {

-        wxLogSysError(_T("Executing \"%s\" failed"), cmd.c_str());
+        wxLogSysError(wxT("Executing \"%s\" failed"), cmd.c_str());

         return wxEmptyString;
     }
 
         return wxEmptyString;
     }
 


@@ -793,7 +738,7 @@ static wxString wxGetCommandOutput(const wxString &cmd)
 
     pclose(f);
 
 
     pclose(f);
 

-    if ( !s.empty() && s.Last() == _T('\n') )
+    if ( !s.empty() && s.Last() == wxT('\n') )

         s.RemoveLast();
 
     return s;
         s.RemoveLast();
 
     return s;


@@ -814,16 +759,14 @@ static bool wxGetHostNameInternal(wxChar *buf, int sz)
     bool ok = uname(&uts) != -1;
     if ( ok )
     {
     bool ok = uname(&uts) != -1;
     if ( ok )
     {

-        wxStrncpy(buf, wxSafeConvertMB2WX(uts.nodename), sz - 1);
-        buf[sz] = wxT('\0');
+        wxStrlcpy(buf, wxSafeConvertMB2WX(uts.nodename), sz);

     }
 #elif defined(HAVE_GETHOSTNAME)
     char cbuf[sz];
     bool ok = gethostname(cbuf, sz) != -1;
     if ( ok )
     {
     }
 #elif defined(HAVE_GETHOSTNAME)
     char cbuf[sz];
     bool ok = gethostname(cbuf, sz) != -1;
     if ( ok )
     {

-        wxStrncpy(buf, wxSafeConvertMB2WX(cbuf), sz - 1);
-        buf[sz] = wxT('\0');
+        wxStrlcpy(buf, wxSafeConvertMB2WX(cbuf), sz);

     }
 #else // no uname, no gethostname
     wxFAIL_MSG(wxT("don't know host name for this machine"));
     }
 #else // no uname, no gethostname
     wxFAIL_MSG(wxT("don't know host name for this machine"));


@@ -876,7 +819,7 @@ bool wxGetFullHostName(wxChar *buf, int sz)
             else
             {
                 // the canonical name
             else
             {
                 // the canonical name

-                wxStrncpy(buf, wxSafeConvertMB2WX(host->h_name), sz);
+                wxStrlcpy(buf, wxSafeConvertMB2WX(host->h_name), sz);

             }
         }
         //else: it's already a FQDN (BSD behaves this way)
             }
         }
         //else: it's already a FQDN (BSD behaves this way)


@@ -892,7 +835,7 @@ bool wxGetUserId(wxChar *buf, int sz)
     *buf = wxT('\0');
     if ((who = getpwuid(getuid ())) != NULL)
     {
     *buf = wxT('\0');
     if ((who = getpwuid(getuid ())) != NULL)
     {

-        wxStrncpy (buf, wxSafeConvertMB2WX(who->pw_name), sz - 1);
+        wxStrlcpy (buf, wxSafeConvertMB2WX(who->pw_name), sz);

         return true;
     }
 
         return true;
     }
 


@@ -910,7 +853,7 @@ bool wxGetUserName(wxChar *buf, int sz)
        char *comma = strchr(who->pw_gecos, ',');
        if (comma)
            *comma = '\0'; // cut off non-name comment fields
        char *comma = strchr(who->pw_gecos, ',');
        if (comma)
            *comma = '\0'; // cut off non-name comment fields

-       wxStrncpy (buf, wxSafeConvertMB2WX(who->pw_gecos), sz - 1);
+       wxStrlcpy(buf, wxSafeConvertMB2WX(who->pw_gecos), sz);

        return true;
     }
 
        return true;
     }
 


@@ -930,7 +873,26 @@ bool wxIsPlatform64Bit()
                 machine.Contains(wxT("alpha"));
 }
 
                 machine.Contains(wxT("alpha"));
 }
 

-// these functions are in mac/utils.cpp for wxMac
+#ifdef __LINUX__
+wxLinuxDistributionInfo wxGetLinuxDistributionInfo()
+{
+    const wxString id = wxGetCommandOutput(wxT("lsb_release --id"));
+    const wxString desc = wxGetCommandOutput(wxT("lsb_release --description"));
+    const wxString rel = wxGetCommandOutput(wxT("lsb_release --release"));
+    const wxString codename = wxGetCommandOutput(wxT("lsb_release --codename"));
+
+    wxLinuxDistributionInfo ret;
+
+    id.StartsWith("Distributor ID:\t", &ret.Id);
+    desc.StartsWith("Description:\t", &ret.Description);
+    rel.StartsWith("Release:\t", &ret.Release);
+    codename.StartsWith("Codename:\t", &ret.CodeName);
+
+    return ret;
+}
+#endif
+
+// these functions are in src/osx/utilsexc_base.cpp for wxMac

 #ifndef __WXMAC__
 
 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)
 #ifndef __WXMAC__
 
 wxOperatingSystemId wxGetOsVersion(int *verMaj, int *verMin)


@@ -1133,7 +1095,7 @@ static bool wxDoSetEnv(const wxString& variable, const char *value)
 #elif defined(HAVE_PUTENV)
     wxString s = variable;
     if ( value )
 #elif defined(HAVE_PUTENV)
     wxString s = variable;
     if ( value )

-        s << _T('=') << value;
+        s << wxT('=') << value;

 
     // transform to ANSI
     const wxWX2MBbuf p = s.mb_str();
 
     // transform to ANSI
     const wxWX2MBbuf p = s.mb_str();


@@ -1216,7 +1178,7 @@ bool wxHandleFatalExceptions(bool doit)
         ok &= sigaction(SIGSEGV, &act, &s_handlerSEGV) == 0;
         if ( !ok )
         {
         ok &= sigaction(SIGSEGV, &act, &s_handlerSEGV) == 0;
         if ( !ok )
         {

-            wxLogDebug(_T("Failed to install our signal handler."));
+            wxLogDebug(wxT("Failed to install our signal handler."));

         }
 
         s_savedHandlers = true;
         }
 
         s_savedHandlers = true;


@@ -1230,7 +1192,7 @@ bool wxHandleFatalExceptions(bool doit)
         ok &= sigaction(SIGSEGV, &s_handlerSEGV, NULL) == 0;
         if ( !ok )
         {
         ok &= sigaction(SIGSEGV, &s_handlerSEGV, NULL) == 0;
         if ( !ok )
         {

-            wxLogDebug(_T("Failed to uninstall our signal handler."));
+            wxLogDebug(wxT("Failed to uninstall our signal handler."));

         }
 
         s_savedHandlers = false;
         }
 
         s_savedHandlers = false;


@@ -1322,7 +1284,7 @@ public:
 protected:
     const int m_fd;
 
 protected:
     const int m_fd;
 

-    DECLARE_NO_COPY_CLASS(wxReadFDIOHandler)
+    wxDECLARE_NO_COPY_CLASS(wxReadFDIOHandler);

 };
 
 // class for monitoring our end of the process detection pipe, simply sets a
 };
 
 // class for monitoring our end of the process detection pipe, simply sets a


@@ -1343,10 +1305,10 @@ public:
 private:
     bool m_terminated;
 
 private:
     bool m_terminated;
 

-    DECLARE_NO_COPY_CLASS(wxEndHandler)
+    wxDECLARE_NO_COPY_CLASS(wxEndHandler);

 };
 
 };
 

-#if wxUSE_STREAMS
+#if HAS_PIPE_INPUT_STREAM

 
 // class for monitoring our ends of child stdout/err, should be constructed
 // with the FD and stream from wxExecuteData and will do nothing if they're
 
 // class for monitoring our ends of child stdout/err, should be constructed
 // with the FD and stream from wxExecuteData and will do nothing if they're


@@ -1372,10 +1334,10 @@ public:
 private:
     wxStreamTempInputBuffer * const m_buf;
 
 private:
     wxStreamTempInputBuffer * const m_buf;
 

-    DECLARE_NO_COPY_CLASS(wxRedirectedIOHandler)
+    wxDECLARE_NO_COPY_CLASS(wxRedirectedIOHandler);

 };
 
 };
 

-#endif // wxUSE_STREAMS
+#endif // HAS_PIPE_INPUT_STREAM

 
 // helper function which calls waitpid() and analyzes the result
 int DoWaitForChild(int pid, int flags = 0)
 
 // helper function which calls waitpid() and analyzes the result
 int DoWaitForChild(int pid, int flags = 0)


@@ -1450,7 +1412,7 @@ int wxAppTraits::WaitForChild(wxExecuteData& execData)
     }
     //else: synchronous execution case
 
     }
     //else: synchronous execution case
 

-#if wxUSE_STREAMS
+#if HAS_PIPE_INPUT_STREAM && wxUSE_SOCKETS

     wxProcess * const process = execData.process;
     if ( process && process->IsRedirected() )
     {
     wxProcess * const process = execData.process;
     if ( process && process->IsRedirected() )
     {


@@ -1474,7 +1436,7 @@ int wxAppTraits::WaitForChild(wxExecuteData& execData)
         }
     }
     //else: no IO redirection, just block waiting for the child to exit
         }
     }
     //else: no IO redirection, just block waiting for the child to exit

-#endif // wxUSE_STREAMS
+#endif // HAS_PIPE_INPUT_STREAM

 
     return DoWaitForChild(execData.pid);
 }
 
     return DoWaitForChild(execData.pid);
 }