OpenEuphoria

Re: [WIN] how use <delete> key

• Posted by Dan Moyer <DANIELMOYER at prodigy.net> Mar 16, 2002
• 346 views

Derek,

Your test works, so I guess I was on the right track after all.  And yes
there are other controls which could be taking focus, I didn't think of
that; so I'll try your suggestion, thanks!  I remembered that in various
other situations the "Screen" constant had been appropriate to use, so I was
going to search Win32Lib & see if there was a "Keyboard" constant that might
have worked.  Thanks again. :)

Dan

----- Original Message -----
From: "Derek Parnell" <ddparnell at bigpond.com>
To: "EUforum" <EUforum at topica.com>
Sent: Saturday, March 16, 2002 6:24 AM
Subject: Re: [WIN] how use <delete> key


>
> Dan, what does this test show:
> ----
> constant SimpleWin =  create( Window, "Simple Window", 0, 0, 0, 200, 100,
> 0 ),
>     sb = create(StatusBar,"", SimpleWin, 0, 0, 0, 0, 0)
>
> procedure cc (atom keycode, atom keyshift)
>     setText(sb, sprintf("%d %d", {keycode, keyshift}))
> end procedure
> onKeyDown[SimpleWin] = routine_id("cc")
>
> WinMain( SimpleWin, Normal)
> ---------
>
> Are you sure that your window has focus? It probably doesn't if there are
> any input-type controls on it. In which case you need to trap the events
for
> the whole program. The way to do that is:
>
> procedure cc (atom Msg, atom wParam, atom lParam)
>     if Msg != WM_KEYDOWN then
>         return
>     end if
>     setText(sb, sprintf("%d", wParam))
> end procedure
> onEvent[Screen] = routine_id("cc")
>
> -----
>
> The <delete> key should be code '46'. Hope this helps.
>
> Derek.
>
> ----- Original Message -----
> From: "Dan Moyer" <DANIELMOYER at prodigy.net>
> To: "EUforum" <EUforum at topica.com>
> Sent: Sunday, March 17, 2002 1:08 AM
> Subject: [WIN] how use <delete> key
>
>
> > I can't figure out how to use the <delete> key in a program using
> Win32Lib.
> >
> > Specifically, I can't set up the event trap for onKeyDown; I could make
> the
> > filter for the <delete> key itself, but I can't figure out how to write
> the
> > trap itself.
> >
> > I tried
"onKeyDown[MainWindow]=routine_id("onKeyDown_LookForDeleteKey")",
> > with a notify message to status bar in the referenced routine, but that
> > didn't seem to do anything.  (The routine was empty except for the
notify
> > message, so I thought it should respond to any keypress?)
> >
> > Any helpful suggestions would be appreciated.
> >
> > Dan Moyer
> >
> >
>
>
>