Listener output
Barry Denton
basse42 at yahoo.com
Sat Apr 19 14:00:59 PDT 2008
Jarrett Billingsley Wrote:
> "Barry Denton" <basse42 at yahoo.com> wrote in message
> news:fubgb0$22go$1 at digitalmars.com...
> >I have a Listener added to a button as so :-
> >
> > button.addListener(DWT.Selection, new class Listener {
> > void handleEvent(Event event) {
> > itemWords [5] = "item has changed " ;//~
> > System.currentTimeMillis();
> > minitable.clear(5); } });
> >
> > When pressed the button outputs this:-
> >
> > Event {missing or misplaced '}'}Event {type=13 Button {Change item}
> > time=1679601378 data={null} x=0 y=0 width=0 height=0 detail=0}
> > .
> > Now all is as it should be except for the {missing or misplaced '}'}
>
> Tango's formatting uses a pair of curly braces like "{}". Your output is
> supposed to go "{Event {type=13....", but Tango sees the opening '{', tries
> to parse it as a format specifier, and fails, leaving you with an error
> message embedded in the output.
>
> The question I have is: where is this output being generated? This code
> doesn't seem to generate it.
>
> I ask because it's a simple fix: instead of doing something like
> "Stdout.formatln(x.toString())", just use "Stdout.formatln("{}", x)", that
> is, escape the string by making it a parameter to be formatted.
>
>
Oh and output seems to be generated by the selection itself
The output from the above is
C3dwt7widgets5Event5Eventevent
PS5tango4time9WallClock9WallClockclock
[ item 0 , item 1 , item 2 , item 3 , item 4 , item has changed clock , item 6 , item 7 , item 8 , item 9 ]
Event {missing or misplaced '}'}Event {type=36 Table {} time=1752657025 data={null} x=0 y=0 width=0 height=0 detail=0}
(note there is no output for event.stringof or for clock.stringof -a blank line
So I'l try formating the event and see
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