Make GRASS shell usable on Mac:

- Don't close pty descriptor in child process; it make the shell ignore input.
- Don't set Q3TextEdit readOnly since this processes keys as keyboard shortcuts.
Fix for bug #739.


git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@7707 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/plugins/grass/qgsgrassshell.cpp

@@ -107,7 +107,10 @@ QDialog(parent), QgsGrassShellBase(), mTools(tools)
 
   mAppDir = mTools->appDir();
 
+#ifndef Q_WS_MAC
+  // Qt4.3.2/Mac Q3TextEdit readOnly property causes keys to be processed as keyboard actions
   mText->setReadOnly(TRUE);
+#endif
   //mText->setFocusPolicy ( QWidget::NoFocus ); // To get key press directly
 
 #ifndef HAVE_OPENPTY
@@ -180,7 +183,10 @@ QDialog(parent), QgsGrassShellBase(), mTools(tools)
 #endif
 
     // TODO close all opened file descriptors - close(0)???
+#ifndef Q_OS_DARWIN
+    // Makes child process unusable on Mac
     close ( mFdMaster );
+#endif
 
     //close ( fdSlave ); // -> freeze