[Gambas-user] Problem with tableview when in edit mode

[Benoît Minisini]

> Benoît Minisini ha scritto:
> >>> I am modifying an old program, which uses a TableView to construct an
> >>> invoice.
> >>> The tableview is almost always in edit mode.
> >>>
> >>> With gambas version 2.0.0, the original version I used to write the
> >>> program, there is no problem (not this one).
> >>>
> >>> Now I upgraded to gambas v. 2.15 (debian package gambas2 2.15.2-1),
> >>> running on a debian "stable" release.
> >>>
> >>> When in the tableview (in edit mode) I press an arrow key, the cursor
> >>> slips on every possible cell in the request direction, until it finds
> >>> the end of the tableview. But this is not enough: if the cursor key is
> >>> Left or Right, the cell walking goes even further, wrapping to the next
> >>> or previous row and restarting.
> >>>
> >>> I created an executable, and it behaves the same.
> >>>
> >>> Then I copied the executable to another machine, having gbx2 version
> >>> 2.0.0, and the problem does not show up.
> >>>
> >>> The program uses explicitly QT; both machines have libqt-mt.so.3.3.8
> >>> installed, and the same debian "stable" os, and I use both machines
> >>> from a third machine running an X11 server (XMing). So it seems the
> >>> problem is related to gambas.
> >>>
> >>> I send a sample project that shows the problem. Launch the application,
> >>> click on the Tableview to focus it, and press a cursor key. The cursor
> >>> will travel in the requested direction 'til the end of the grid.
> >>>
> >>> What can I do about this? I was very very reluctant to upgrade gambas;
> >>> but I reached a point where I could no more install or upgrade my
> >>> system. Even when trying to install a simple htop(1) from debian
> >>> repositories, I was told to upgrade some fu*ing library, which in turn
> >>> meant to upgrade gambas, which in turn meant to upgrade QT, GTK,
> >>> poppler, libc, libc-bin... well, *hundreds* of packages. I will contact
> >>> the debian mantainer about this - I don't care about postgres,
> >>> firebird, curl, smtp, opengl, sdl, v4l, xml and things. It seems that
> >>> to install gambas on debian one must pull in all the world. The other
> >>> machine, having the old version of gambas, has no problems - I copied
> >>> the gambas binaries directly, instead of installing them from packages.
> >>> I can install and upgrade, and everything runs smoothly. Sorry for the
> >>> debian-related blow.
> >>>
> >>> Regards,
> >>> Doriano
> >>
> >> OK, I understand the problem.
> >>
> >> The TableView is designed so that editing a cell must be decided in the
> >>  Click event. Otherwise, if the Edit method is not called during a Click
> >>  event, keyboard events automatically jump them.
> >>
> >> You must call the Edit method inside the Click event, not the GotFocus
> >>  event.
> >>
> >> Before, keyboard events never ignored cells, so things were working
> >>  normally.
> >>
> >> Regards,
> >
> > I filled the documentation with that information for other having the
> > same problem.
> 
> Did you try the attached project?

Yes. Did you try what I told you to do?

> 
> I tried it once more on another machine: debian stable version 5.0.3,
> libqt-mt.so.3.3.8, and gambas version 2.15.2; the error *does not* show
> up, with the edit call in the GotFocus event. I just used the project
> attached in the previous mail.
> 

The problem is not in the GotFocus event handler. You must call Edit in the 
Click event handler, otherwise, when pressing an arrow key, all cells will be 
assumed as not editable.

Then, you can use Edit() in the GotFocus event handler if you want too. But 
that is optional.

Regards,

-- 
Benoît Minisini