disable select root menu command when the root is hidden

[wxWidgets.git] / src / common / config.cpp

diff --git a/src/common/config.cpp b/src/common/config.cpp
index 8be69dc19455191e2db761fbc902bb842f8839f9..660932e4697aa927a42a7ebd771a376323485a09 100644 (file)
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        config.cpp
+// Name:        src/common/config.cpp
 // Purpose:     implementation of wxConfigBase class
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -13,14 +13,11 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "confbase.h"
-#endif
 
 #include "wx/wxprec.h"
 
-#ifdef    __BORLANDC__
-  #pragma hdrstop
+#ifdef __BORLANDC__
+    #pragma hdrstop
 #endif  //__BORLANDC__
 
 #ifndef wxUSE_CONFIG_NATIVE
@@ -28,18 +25,19 @@
 #endif
 
 #include "wx/config.h"
-#include "wx/intl.h"
-#include "wx/log.h"
-#include "wx/arrstr.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/arrstr.h"
+    #include "wx/math.h"
+#endif //WX_PRECOMP
 
 #if wxUSE_CONFIG && ((wxUSE_FILE && wxUSE_TEXTFILE) || wxUSE_CONFIG_NATIVE)
 
-#include "wx/app.h"
 #include "wx/file.h"
-#include "wx/textfile.h"
-#include "wx/utils.h"
-#include "wx/utils.h"
-#include "wx/math.h"
 
 #include <stdlib.h>
 #include <ctype.h>
@@ -59,6 +57,7 @@ bool          wxConfigBase::ms_bAutoCreate = true;
 // ----------------------------------------------------------------------------
 // wxConfigBase
 // ----------------------------------------------------------------------------
+IMPLEMENT_ABSTRACT_CLASS(wxConfigBase, wxObject)
 
 // Not all args will always be used by derived classes, but including them all
 // in each class ensures compatibility.
@@ -228,8 +227,9 @@ bool wxConfigBase::DoWriteBool(const wxString& key, bool value)
 // ----------------------------------------------------------------------------
 
 wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,
-                                 const wxString& strEntry)
+                                         const wxString& strEntry)
 {
+  m_bChanged = false;
   m_pContainer = (wxConfigBase *)pContainer;
 
   // the path is everything which precedes the last slash
@@ -246,7 +246,7 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,
   {
     if ( m_pContainer->GetPath() != strPath )
     {
-        // do change the path
+        // we do change the path so restore it later
         m_bChanged = true;
 
         /* JACS: work around a memory bug that causes an assert
@@ -271,11 +271,25 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,
   }
   else {
     // it's a name only, without path - nothing to do
-    m_bChanged = false;
     m_strName = strEntry;
   }
 }
 
+void wxConfigPathChanger::UpdateIfDeleted()
+{
+    // we don't have to do anything at all if we didn't change the path
+    if ( !m_bChanged )
+        return;
+
+    // find the deepest still existing parent path of the original path
+    while ( !m_pContainer->HasGroup(m_strOldPath) )
+    {
+        m_strOldPath = m_strOldPath.BeforeLast(wxCONFIG_PATH_SEPARATOR);
+        if ( m_strOldPath.empty() )
+            m_strOldPath = wxCONFIG_PATH_SEPARATOR;
+    }
+}
+
 wxConfigPathChanger::~wxConfigPathChanger()
 {
   // only restore path if it was changed
@@ -284,6 +298,24 @@ wxConfigPathChanger::~wxConfigPathChanger()
   }
 }
 
+// this is a wxConfig method but it's mainly used with wxConfigPathChanger
+/* static */
+wxString wxConfigBase::RemoveTrailingSeparator(const wxString& key)
+{
+    wxString path(key);
+
+    // don't remove the only separator from a root group path!
+    while ( path.length() > 1 )
+    {
+        if ( *path.rbegin() != wxCONFIG_PATH_SEPARATOR )
+            break;
+
+        path.erase(path.end() - 1);
+    }
+
+    return path;
+}
+
 #endif // wxUSE_CONFIG
 
 // ----------------------------------------------------------------------------
@@ -310,11 +342,11 @@ enum Bracket
 wxString wxExpandEnvVars(const wxString& str)
 {
   wxString strResult;
-  strResult.Alloc(str.Len());
+  strResult.Alloc(str.length());
 
   size_t m;
-  for ( size_t n = 0; n < str.Len(); n++ ) {
-    switch ( str[n] ) {
+  for ( size_t n = 0; n < str.length(); n++ ) {
+    switch ( str[n].GetValue() ) {
 #ifdef  __WXMSW__
       case wxT('%'):
 #endif  //WINDOWS
@@ -326,11 +358,11 @@ wxString wxExpandEnvVars(const wxString& str)
               bracket = Bracket_Windows;
             else
           #endif  //WINDOWS
-          if ( n == str.Len() - 1 ) {
+          if ( n == str.length() - 1 ) {
             bracket = Bracket_None;
           }
           else {
-            switch ( str[n + 1] ) {
+            switch ( str[n + 1].GetValue() ) {
               case wxT('('):
                 bracket = Bracket_Normal;
                 n++;                   // skip the bracket
@@ -348,7 +380,7 @@ wxString wxExpandEnvVars(const wxString& str)
 
           m = n + 1;
 
-          while ( m < str.Len() && (wxIsalnum(str[m]) || str[m] == wxT('_')) )
+          while ( m < str.length() && (wxIsalnum(str[m]) || str[m] == wxT('_')) )
             m++;
 
           wxString strVarName(str.c_str() + n + 1, m - n - 1);
@@ -356,7 +388,12 @@ wxString wxExpandEnvVars(const wxString& str)
 #ifdef __WXWINCE__
           const wxChar *pszValue = NULL;
 #else
-          const wxChar *pszValue = wxGetenv(strVarName);
+          // NB: use wxGetEnv instead of wxGetenv as otherwise variables
+          //     set through wxSetEnv may not be read correctly!
+          const wxChar *pszValue = NULL;
+          wxString tmp;
+          if (wxGetEnv(strVarName, &tmp))
+              pszValue = tmp;
 #endif
           if ( pszValue != NULL ) {
             strResult += pszValue;
@@ -373,7 +410,7 @@ wxString wxExpandEnvVars(const wxString& str)
 
           // check the closing bracket
           if ( bracket != Bracket_None ) {
-            if ( m == str.Len() || str[m] != (wxChar)bracket ) {
+            if ( m == str.length() || str[m] != (wxChar)bracket ) {
               // under MSW it's common to have '%' characters in the registry
               // and it's annoying to have warnings about them each time, so
               // ignroe them silently if they are not used for env vars
@@ -388,7 +425,7 @@ wxString wxExpandEnvVars(const wxString& str)
             else {
               // skip closing bracket unless the variables wasn't expanded
               if ( pszValue == NULL )
-                strResult << (char)bracket;
+                strResult << (wxChar)bracket;
               m++;
             }
           }
@@ -397,9 +434,9 @@ wxString wxExpandEnvVars(const wxString& str)
         }
         break;
 
-      case '\\':
+      case wxT('\\'):
         // backslash can be used to suppress special meaning of % and $
-        if ( n != str.Len() - 1 &&
+        if ( n != str.length() - 1 &&
                 (str[n + 1] == wxT('%') || str[n + 1] == wxT('$')) ) {
           strResult += str[++n];
 
@@ -452,5 +489,3 @@ void wxSplitPath(wxArrayString& aParts, const wxChar *sz)
     pc++;
   }
 }
-
-