Make wxFileDialog::Set/SetPath() behave consistently.

wxFileDialog::GetPath() didn't return the value set by a previous call to
SetPath() in wxMSW version. Fix this and also implement SetPath() and
SetDirectory() methods in the generic versions in the same way as
SetFilename().

Closes #3672.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62722 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/filedlg.h

@@ -107,9 +107,9 @@ public:
     bool HasFdFlag(int flag) const { return HasFlag(flag); }
 
     virtual void SetMessage(const wxString& message) { m_message = message; }
-    virtual void SetPath(const wxString& path) { m_path = path; }
-    virtual void SetDirectory(const wxString& dir) { m_dir = dir; }
-    virtual void SetFilename(const wxString& name) { m_fileName = name; }
+    virtual void SetPath(const wxString& path);
+    virtual void SetDirectory(const wxString& dir);
+    virtual void SetFilename(const wxString& name);
     virtual void SetWildcard(const wxString& wildCard) { m_wildCard = wildCard; }
     virtual void SetFilterIndex(int filterIndex) { m_filterIndex = filterIndex; }
 

include/wx/generic/filedlgg.h

@@ -61,6 +61,10 @@ public:
 
     virtual ~wxGenericFileDialog();
 
+    virtual void SetDirectory(const wxString& dir)
+        { m_filectrl->SetDirectory(dir); }
+    virtual void SetFilename(const wxString& name)
+        { m_filectrl->SetFilename(name); }
     virtual void SetMessage(const wxString& message) { SetTitle(message); }
     virtual void SetPath(const wxString& path)
         { m_filectrl->SetPath(path); }

include/wx/msw/filedlg.h

@@ -29,7 +29,6 @@ public:
                  const wxSize& sz = wxDefaultSize,
                  const wxString& name = wxFileDialogNameStr);
 
-    virtual void SetPath(const wxString& path);
     virtual void GetPaths(wxArrayString& paths) const;
     virtual void GetFilenames(wxArrayString& files) const;
 #ifndef __WXWINCE__