Fixed [ 1712998 ] wxFD_FILE_MUST_EXIST does nothing on GTK

(broken both in GTK+ and generic code).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@45821 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/filedlgg.cpp

@@ -1471,6 +1471,7 @@ void wxGenericFileDialog::HandleAction( const wxString &fn )
     {
         wxMessageBox(_("Please choose an existing file."), _("Error"),
                      wxOK | wxICON_ERROR );
+        return;
     }
 
     SetPath( filename );

src/gtk/filedlg.cpp

@@ -65,6 +65,17 @@ static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
         }
     }
 
+    if (style & wxFD_FILE_MUST_EXIST)
+    {
+        if ( !g_file_test(filename, G_FILE_TEST_EXISTS) )
+        {
+            wxMessageDialog dlg( dialog, _("Please choose an existing file."), 
+                                 _("Error"), wxOK| wxICON_ERROR);
+            dlg.ShowModal();
+            return;
+        }
+    }
+
     // change to the directory where the user went if asked
     if (style & wxFD_CHANGE_DIR)
     {