Make konsole restore cwd when restoring session. Only works on linux at this point.

svn path=/trunk/kdebase/konsole/; revision=151535

configure.in.in

@@ -23,3 +23,15 @@ if test "$ac_use_openpty" = "yes"; then
 else
 	AC_MSG_RESULT(no)
 fi
+
+dnl Set preprocessor variable of how to get cwd from a process
+AC_MSG_CHECKING(how cwd can be be found by seperate process)
+case "$host" in 
+  *-*-linux*) cwd_method='proc' ;;
+	*) cwd_method='no' ;;
+esac
+AC_MSG_RESULT($cwd_method)
+
+case "$cwd_method" in
+	proc) AC_DEFINE(HAVE_PROC_CWD, 1, [Defines whether /proc/`pid`/cwd exists]) ;;
+esac

konsole/session.cpp

@@ -317,6 +317,16 @@ QString TESession::getPgm()
   return pgm;
 }
 
+QString TESession::getCwd()
+{
+#ifdef HAVE_PROC_CWD
+	QFileInfo Cwd(QString("/proc/%1/cwd").arg(sh->pid()));
+	if(Cwd.isSymLink())
+		cwd = Cwd.readLink();
+#endif /* HAVE_PROC_CWD */
+  return cwd;
+}
+
 bool TESession::isMonitorActivity() { return monitorActivity; }
 bool TESession::isMonitorSilence() { return monitorSilence; }
 bool TESession::isMasterMode() { return masterMode; }

konsole/session.h

@@ -54,7 +54,7 @@ public:
   QString keymap();
   QStrList getArgs();
   QString getPgm();
-  QString getCwd() { return cwd; }
+  QString getCwd();
   QString getInitial_cwd() { return initial_cwd; }
 
   void setHistory(const HistoryType&);