added wxGet/Set/UnsetEnv() for Unix

[wxWidgets.git] / src / generic / dirctrlg.cpp

diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index d20e028b0def03ff79497133ae112609de6e24ec..4ff52eddb70749c78b6b959e41aec570ea6c6ac9 100644 (file)
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -48,11 +48,15 @@
 
 #ifdef __WXMSW__
 #include <windows.h>
+
+#ifndef __GNUWIN32__
 #include <direct.h>
 #include <stdlib.h>
 #include <ctype.h>
 #endif
 
+#endif
+
 #ifdef __BORLANDC__
 #include "dos.h"
 #endif
@@ -293,7 +297,7 @@ static const int ID_CANCEL = 1003;
 static const int ID_NEW = 1004;
 //static const int ID_CHECK = 1005;
 
-#ifdef __WXMSW__
+#if defined(__WXMSW__)
 static bool wxIsDriveAvailable(const wxString dirName)
 {
 #ifdef __WIN32__
@@ -306,6 +310,9 @@ static bool wxIsDriveAvailable(const wxString dirName)
     if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
     {
         wxString dirNameLower(dirName.Lower());
+#if defined(__GNUWIN32__)
+        success = wxPathExists(dirNameLower);
+#else
         int currentDrive = _getdrive();
         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
         int err = _chdrive( thisDrive ) ;
@@ -315,6 +322,7 @@ static bool wxIsDriveAvailable(const wxString dirName)
         {
             success = FALSE;
         }
+#endif
     }
 #ifdef __WIN32__
     (void) SetErrorMode(errorMode);
@@ -354,32 +362,6 @@ void wxDirItemDataEx::SetNewDirName( wxString path )
     m_name = wxFileNameFromPath( path );
 }
 
-// No longer used, and takes a very long time
-bool wxDirItemDataEx::HasSubDirs()
-{
-    if (m_path.IsEmpty())
-        return TRUE;
-
-    // On WIN32, must check if this volume is mounted or
-    // we get an error dialog for e.g. drive a:
-#ifdef __WIN32__
-    if (!wxIsDriveAvailable(m_path))
-        return FALSE;
-#endif
-
-    wxString search = m_path;
-    
-    if (m_path.Last() != wxFILE_SEP_PATH)
-    {
-        search += wxString(wxFILE_SEP_PATH);
-    }
-    search += wxT("*");
-
-    wxLogNull log;
-    wxString path = wxFindFirstFile( search, wxDIR );
-    return (bool)(!path.IsNull());
-}
-
 //-----------------------------------------------------------------------------
 // wxGenericDirCtrl
 //-----------------------------------------------------------------------------
@@ -710,8 +692,8 @@ void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
     if (!wxIsDriveAvailable(dirName))
     {
         data->m_isExpanded = FALSE;
-        wxMessageBox(wxT("Sorry, this drive is not available."));
-          return;
+        //wxMessageBox(wxT("Sorry, this drive is not available."));
+        return;
     }
 #endif
 
@@ -845,7 +827,7 @@ wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString&
     
     long cookie;
     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
-    while (childId != 0)
+    while (childId.IsOk())
     {
         wxDirItemDataEx* data = (wxDirItemDataEx*) m_treeCtrl->GetItemData(childId);
         
@@ -887,15 +869,15 @@ bool wxGenericDirCtrl::ExpandPath(const wxString& path)
     bool done = FALSE;
     wxTreeItemId id = FindChild(m_rootId, path, done);
     wxTreeItemId lastId = id; // The last non-zero id
-    while ((id > 0) && !done)
+    while (id.IsOk() && !done)
     {
         ExpandDir(id);
 
         id = FindChild(id, path, done);
-        if (id != 0)
+        if (id.IsOk())
             lastId = id;
     }
-    if (lastId > 0)
+    if (lastId.IsOk())
     {
         wxDirItemDataEx *data = (wxDirItemDataEx *) m_treeCtrl->GetItemData(lastId);
         if (data->m_isDir)
@@ -908,7 +890,7 @@ bool wxGenericDirCtrl::ExpandPath(const wxString& path)
             long cookie;
             wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
             bool selectedChild = FALSE;
-            while (childId != 0)
+            while (childId.IsOk())
             {
                 wxDirItemDataEx* data = (wxDirItemDataEx*) m_treeCtrl->GetItemData(childId);