Added helper functions for string -> XmString conversion.

[wxWidgets.git] / include / wx / dir.h

diff --git a/include/wx/dir.h b/include/wx/dir.h
index 4c8a2368cb7edcebf70ecd2805c86b79eccf9bfb..32c6c014fc59cacb41f2388ce1c65a4bbff505da 100644 (file)
--- a/include/wx/dir.h
+++ b/include/wx/dir.h
@@ -12,7 +12,7 @@
 #ifndef _WX_DIR_H_
 #define _WX_DIR_H_
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(__APPLE__)
     #pragma interface "dir.h"
 #endif
 
@@ -54,19 +54,33 @@ class WXDLLEXPORT wxDirTraverser
 public:
     // called for each file found by wxDir::Traverse()
     //
-    // return wxDIR_STOP or wxDIR_CONTINUE from here
+    // return wxDIR_STOP or wxDIR_CONTINUE from here (wxDIR_IGNORE doesn't
+    // make sense)
     virtual wxDirTraverseResult OnFile(const wxString& filename) = 0;
 
     // called for each directory found by wxDir::Traverse()
     //
     // return one of the enum elements defined above
     virtual wxDirTraverseResult OnDir(const wxString& dirname) = 0;
+
+    // called for each directory which we couldn't open during our traversal
+    // of the directory tyree
+    //
+    // this method can also return either wxDIR_STOP, wxDIR_IGNORE or
+    // wxDIR_CONTINUE but the latter is treated specially: it means to retry
+    // opening the directory and so may lead to infinite loop if it is
+    // returned unconditionally, be careful with this!
+    //
+    // the base class version always returns wxDIR_IGNORE
+    virtual wxDirTraverseResult OnOpenError(const wxString& dirname);
 };
 
 // ----------------------------------------------------------------------------
 // wxDir: portable equivalent of {open/read/close}dir functions
 // ----------------------------------------------------------------------------
 
+class WXDLLEXPORT wxDirData;
+
 class WXDLLEXPORT wxDir
 {
 public:
@@ -107,12 +121,10 @@ public:
     bool GetNext(wxString *filename) const;
 
     // return true if this directory has any files in it
-    bool HasFiles(const wxString& spec = wxEmptyString)
-        { wxString s; return GetFirst(&s, spec, wxDIR_FILES | wxDIR_HIDDEN); }
+    bool HasFiles(const wxString& spec = wxEmptyString);
 
     // return true if this directory has any subdirectories
-    bool HasSubDirs(const wxString& spec = wxEmptyString)
-        { wxString s; return GetFirst(&s, spec, wxDIR_DIRS | wxDIR_HIDDEN); }
+    bool HasSubDirs(const wxString& spec = wxEmptyString);
 
     // enumerate all files in this directory and its subdirectories
     //
@@ -132,6 +144,8 @@ private:
     friend class WXDLLEXPORT wxDirData;
 
     wxDirData *m_data;
+
+    DECLARE_NO_COPY_CLASS(wxDir)
 };
 
 #endif // _WX_DIR_H_