only show the priority chooser when moused over (the text is a placeholder and the window has to currently be made active for it to appear)

macosx/FileOutlineView.h

@@ -27,6 +27,11 @@
 @interface FileOutlineView : NSOutlineView
 {
     NSColor * fNormalColor, * fHighPriorityColor, * fLowPriorityColor;
+    
+    int fHoverRow;
 }
 
+- (void) setHoverRowForEvent: (NSEvent *) event;
+- (int) hoverRow;
+
 @end