enable the URL sheet's add button when shown if text is already entered

diff --git a/macosx/URLSheetWindowController.m b/macosx/URLSheetWindowController.m
index 0f14c4b0550375c1db106790a55de2b788b1b6e0..501f498fd26e8c5aefb39bee48ec64a285497d81 100644 (file)
--- a/macosx/URLSheetWindowController.m
+++ b/macosx/URLSheetWindowController.m
@@ -44,6 +44,8 @@ NSString * urlString = @"";
     
     [fTextField setStringValue: urlString];
     [fTextField selectText: self];
+    
+    [fOpenButton setEnabled: ![urlString isEqualToString: @""]];
 }
 
 - (IBAction) beginSheetForWindow: (NSWindow *) window