Re: [Denemo-devel] Documentation of Scheme interface

[Richard Shann]

On Fri, 2008-10-03 at 17:58 +0100, Richard Shann wrote:
> On Fri, 2008-10-03 at 17:35 +0100, Richard Shann wrote:
> > > cursorclef stores the value of the clef at the current position. 
> > Is it re-calculated every time you click with the mouse, or do
> > CursorRight/Left? 
> This thought has prompted me to look in mousing.c where I remember
> seeing
>       /* Quickly redraw to reset si->cursorclef.  */
> How you can persuade gtk to be quick about it I don't know. I think this
> may be the origin of the bug that I suspect is lurking there: what is
> there to guarantee that gtk is actually going to call the draw routine?
> Some of these bugs may start coming home to roost as we control Denemo
> from scripts - there is no idle time.
I've tried replacing the "quick" draw with this:

        /* force redraw to reset si->cursorclef.  */
        scorearea_expose_event (gui->scorearea, NULL);
which seems to work ok, and should be reliable.
Richard