[news.eclipse.platform.swt] Re: showColumn() bug?

["Grant Gayed" <grant_gayed@xxxxxxxxxx>]

I've looked into this and it appears to be another (more general) Tree bug.
I've logged https://bugs.eclipse.org/bugs/show_bug.cgi?id=112622 .

"Tim Shelley" <tim_j_shelley@xxxxxxxxxxx> wrote in message
news:dilr47$643$1@xxxxxxxxxxxxxxxxxxx
> Hi Grant,
>
> Thanks for the quick reply.
>
> I've implemented your workaround, but have not tested it with lots of data
> in the tree. I had to write another workaround for if it was the last
> column, cause there are no columns after it :) I just added a hidden
column,
> zero width and not resizable. That seems to work ok.
>
> The problem I am having now is with the cellEditor that opens on the
column.
> If the column is partially showing, the showColumn now displays it
> correctly.  When the cellEditor appears, its width is based on the partial
> column width, not the full column that is now displayed.
>
> I do -
>
> showColumn()
> treeEditor.setEditor()
>
> It's as if the treeEditor is using the old column width and has not
> refreshed with the new view with the fully displayed column.
>
> Regards,
>
> Tim.
>
> "Grant Gayed" <grant_gayed@xxxxxxxxxx> wrote in message
> news:dilmen$v1v$1@xxxxxxxxxxxxxxxxxxx
> > Hi Tim,
> >
> > I've logged https://bugs.eclipse.org/bugs/show_bug.cgi?id=112463 , and
> > tried
> > to add you as a CC but couldn't because bugzilla did not know of your
> > email
> > address.  Interestingly I see the opposite problem to what you describe
> > (my
> > snippet shows it failing when the column's LEFT edge is out of view).  I
> > added a second comment to the report specifying that both cases should
be
> > checked.
> >
> > Regarding workarounds, I can make my snippet in the bug report show
column
> > 2
> > by first showing column 1 and then column 2 (so just add
> > "tree.showColumn(column1);" as the first line in the Button selection
> > listener).  On win2000 this did not show any extra flash for me.  It's
> > just
> > an idea, as I can't think of any other workarounds at the moment.
> >
> > Grant
> >
> >
> > "Tim Shelley" <tim_j_shelley@xxxxxxxxxxx> wrote in message
> > news:dile7g$jn0$1@xxxxxxxxxxxxxxxxxxx
> >> Hi,
> >>
> >> I have a tree with treecolumns. The width of the tree often means some
of
> >> the treecolumns appear offscreen, outside of the client area.
> >>
> >> I've tried to use showColumn() but it seems to have a bug that makes it
> >> difficult for cell editing where you want the column to be fully
visible.
> > If
> >> the columns left edge appears off screen it scrolls correctly and makes
> > this
> >> column fully visible. If a columns left edge appears on the screen, but
> > its
> >> right edge is off the screen, it thinks the column is visible and does
> >> not
> >> scroll to it (even though there may be only a few pixels of the column
on
> >> screen).
> >>
> >> I cannot extend the Tree class and there seems no way to work around
this
> >> problem because the scrolling functionality of Tree seems to be all
> > private
> >> or package local.
> >>
> >> Is there a work around for this problem?
> >>
> >> Regards,
> >>
> >> Tim.
> >>
> >>
> >
> >
>
>