[Rd] Double-clicking in tk list dialogs

From: Barry Rowlingson <b.rowlingson_at_lancaster.ac.uk>
Date: Thu, 14 Aug 2008 22:52:58 +0100


Am I the only one who finds himself futilely double-clicking a CRAN mirror in the dialog for choosing a CRAN mirror? Yes, double-clicking works in Windows, but not in the Tk-based dialog on Linux. I'm going to wear out my mouse button.

Adding the following line to the tk_select.list function in the tcltk package adds double-click functionality to list dialogs:

  tkbind(box, "<Double-ButtonPress-1>",onOK)

 (put it in the right place though, after 'box' has been created).

 Not sure if this would be a default behaviour, or if its's worth having a 'doubleClick=FALSE' argument that switches it on if TRUE. Anyway, it was a little niggle that bothered me recently, and after fixing someone else's TclTK problem recently I figured I'd have a go at this.

 Consider it a feature request for the next version.

Barry



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