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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>This was what I wanted to do:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>It's basically a frequency display consisting of 9 digits in
3 sets of 3 digits separated by '_' like 999_999_999 except the font size and
colour will change for each group. The first basic requirement is that when I
mouse over this I want each digit to highlight in some way, perhaps a box
around it. When highlighted I want the mouse wheel to change that digit up or
down by one for each click. It's very important to me that there is no flicker
on this. I can't immediately see how to hook the mouse wheel events - is it
possible to do so.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Bert Freudenberg wrote:</span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>>> You will get these as
keyboard events - Ctrl-Up/Down or Cmd-Up/Down, </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>>> depending on the VM. See, e.g.,
ScrollPane>>scrollByKeyboard:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks Bert, got me past the first hurdle. This is basically
working, very well actually. I don't know if this was the correct way to
do things but I built a single digit morph and put them plus a few simple
string morphs into an alignment morph. Now I need to know how to do user
defined events such that when a digit overflows or underflows the next digit in
line receives an event and can increment or decrement itself. The event can go
direct or probably more sensible to send it to the parent which is my top level
display class not the alignment morph. Any hints appreciated.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Bob</span></font></p>
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