Add comments explaining the workaround for mingw 3.2.3

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

diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index d792d8e4d20a72f1d8210e944c5b9c3d1975a809..78501d449f1def57eaf9e21bb31e0c1cf460ee6d 100644 (file)
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -259,7 +259,7 @@ bool wxIsDriveAvailable(const wxString& dirName)
         //     like it when MS-DOS app accesses empty floppy drive
         return (dirNameLower[0u] == wxT('a') ||
                 dirNameLower[0u] == wxT('b') ||
-                wxPathExists(dirNameLower));
+                wxDirExists(dirNameLower));
     }
     else
 #endif
@@ -318,7 +318,7 @@ bool wxIsDriveAvailable(const wxString& dirName)
     {
         wxString dirNameLower(dirName.Lower());
 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
-        success = wxPathExists(dirNameLower);
+        success = wxDirExists(dirNameLower);
 #else
         #if defined(__OS2__)
         // Avoid changing to drive since no media may be inserted.
@@ -524,7 +524,13 @@ bool wxGenericDirCtrl::Create(wxWindow *parent,
 
     Init();
 
-    long treeStyle = wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT;
+    long treeStyle = wxTR_HAS_BUTTONS;
+
+    // On Windows CE, if you hide the root, you get a crash when
+    // attempting to access data for children of the root item.
+#ifndef __WXWINCE__
+    treeStyle |= wxTR_HIDE_ROOT;
+#endif
 
 #ifdef __WXGTK20__
     treeStyle |= wxTR_NO_LINES;
@@ -771,7 +777,7 @@ void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 
     wxString dirName(data->m_path);
 
-#if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
+#if (defined(__WINDOWS__) && !defined(__WXWINCE__)) || defined(__DOS__) || defined(__OS2__)
     // Check if this is a root directory and if so,
     // whether the drive is avaiable.
     if (!wxIsDriveAvailable(dirName))