OpenEuphoria

Re: Matt re:setListviewIndex

• Posted by Tony Steward <figjam at nlc.net.au> Jul 30, 2001
• 374 views

Ha all,
No Derek as there are time when I want to select multiple items but not 
when I'm searching the LV

Thanks anyway
Tony Steward

>
>Couldn't one just create a ListView with LVS_SINGLESEL style? Would that
>work?
>
>   MyLV = create(ListView,..., LVS_SINGLESEL)
>
>----
>Derek.
>
>----- Original Message -----
>From: "Matthew Lewis" <matthewwalkerlewis at YAHOO.COM>
>To: "EUforum" <EUforum at topica.com>
>Sent: Tuesday, July 31, 2001 6:24 AM
>Subject: Re: Matt re:setListviewIndex
>
>
> >
> > ----- Original Message -----
> > From: "Tony Steward" <figjam at nlc.net.au>
> >
> > > Hi Matt or anyone who can help,
> > > Matt sent me the routine below so I could set the index of a listview,
> > > which works well thanks thankyou. At the moment when you set one index
>that
> > > index is made visible and highlighted. If you then set a second index
>both
> > > are highlighted. I would prefer that when an index is set that the
>previous
> > > selection be cleared. Is this possible.
> >
> > You're correct.  That code only changes the status of the item you've
> > specified, but doesn't 'unselect' the currently selected item(s).  I'm not
> > certain when I sent that to you, but in my copy of .55, I've modified
>setIndex
> > (did it on 1/26/01):
> >
> > I added integers:
> > integer msg,
> > -- added for listview:
> >     start, check, ix, count
> >
> > and added an elsif clause that cycles through the listview and
> > deselects/selects as appropriate.  It might be faster for larger listviews
>to
> > merely get the selected group of items and deselect those, then selecting
>your
> > list.
> >
> > elsif window_type[id] = ListView then
> >
> >     if atom( index ) then
> >         index = { index }
> >     end if
> >
> >     start = 0
> >
> >     result = struct_LVITEM( LVIF_STATE, start, 0, 0,
> >         LVIS_SELECTED, 0, 0, 0 )
> >
> >     store( result, LVITEM_stateMask, LVIS_SELECTED )
> >     count = sendMessage( id, LVM_GETITEMCOUNT, 0, 0)
> >     while count do
> >
> >         ix = getLVItemlParam( id, start )
> >         if find( ix, index ) then
> >             store( result, LVITEM_state, LVIS_SELECTED )
> >         else
> >             store( result, LVITEM_state, 0 )
> >         end if
> >
> >         VOID = sendMessage( id, LVM_SETITEMSTATE, start, result )
> >         start += 1
> >         count -= 1
> >     end while
> >
> >     -- release the structure from memory
> >     ix = new_memset()
> >     manage_mem( ix, result )
> >     release_mem( ix )
> >     return
> >
> >
> > =====
> > Matt Lewis
> > http://www14.brinkster.com/matthewlewis
> >
> >
>
>

Regards
Tony Steward


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