--===============91478496496033723==
Content-Type: multipart/signed;
  protocol="application/pgp-signature";
  micalg=pgp-sha1;
  boundary="Boundary-02=_jm9T/T1k6TtjCcb";
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit


--Boundary-02=_jm9T/T1k6TtjCcb
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Content-Description: signed data
Content-Disposition: inline

On Saturday 30 August 2003 00:16, Jason Harris wrote:
> Hello,
>
> I need to check if the user has pressed the left mouse button while
> holding down the CTRL key.
>
> This doesn't work:
>   if ( e->state() & ( ControlButton & LeftButton ) )
>
> Nor this:
>   if ( (e->state() & ControlButton) && (e->state() & LeftButton ) )
>
> But this does:
>   if ( (e->state() & ControlButton) && (e->button() =3D=3D LeftButton ) )
>
> Can someone tell me why the first two forms do not work (i.e., the
> condition is not true if LMB pressed while CTRL pressed)?
>
> Just curious, so don't spend time looking it up on my behalf...just
> asking in case anyone happens to know offhand.

state() is which buttons where pressed when the event happened, button()=20
is which button triggered the event.
The other checks will work in move events, where the event is not=20
triggered by a button

hope that made sense.

Cheers,
Kevin

=2D-=20
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Kevin Krammer <kevin.krammer@gmx.at>
Developer at the Kmud Project http://www.kmud.de/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

--Boundary-02=_jm9T/T1k6TtjCcb
Content-Type: application/pgp-signature
Content-Description: signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.1 (GNU/Linux)

iD8DBQA/T9mjnKMhG6pzZJIRAmGyAJ9TdQlRN02YXbEQWCCa6TqEwp34QACbB5eL
XbOiWjBmTWzypkkDYwivjOA=
=bs5/
-----END PGP SIGNATURE-----

--Boundary-02=_jm9T/T1k6TtjCcb--


--===============91478496496033723==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

 
>> Visit http://mail.kde.org/mailman/listinfo/kde-devel#unsub to unsubscribe <<

--===============91478496496033723==--