Re: [PATCH 2/2] kconfig: qconf: don't show goback button on splitMode

From: Masahiro Yamada
Date: Wed Jul 01 2020 - 11:18:41 EST


On Tue, Jun 30, 2020 at 3:09 PM Mauro Carvalho Chehab
<mchehab+huawei@xxxxxxxxxx> wrote:
>
> Em Tue, 30 Jun 2020 12:55:05 +0900
> Masahiro Yamada <masahiroy@xxxxxxxxxx> escreveu:
>
> > On Tue, Jun 30, 2020 at 12:30 AM Mauro Carvalho Chehab
> > <mchehab+huawei@xxxxxxxxxx> wrote:
> > >
> > > the goback button does nothing on splitMode. So, why display
> > > it?
> >
> >
> > Hmm, I still see the goback button
> > on all of the three modes...
>
> Huh?
>
> Perhaps we're talking about a different thing here...
>
> What I meant by goback button is this:
>
> â ..


Sorry, I misunderstood the goback button.

This improvement is neat.

Thank you.





> Which is displayed as the first item is not the root config item.
>
> This is implemented on this logic, within ConfigItem::updateMenu():
>
> if (goParent) {
> setPixmap(promptColIdx, list->menuBackPix);
> prompt = "..";
> goto set_prompt;
> }
>
> and it displays this image:
>
> const char *xpm_menuback[] = {
> "12 12 2 1",
> " c white",
> ". c black",
> " ",
> " .......... ",
> " . . ",
> " . .. . ",
> " . .... . ",
> " . ...... . ",
> " . ...... . ",
> " . .... . ",
> " . .. . ",
> " . . ",
> " .......... ",
> " "};
>
> This item is should never be shown on fullMode, because it never
> changes the root item.
>
> Looking within the code logic, the only place that passes
> goParent = true to "new ConfigItem" (thus creating it) is here:
>
> if (rootEntry != &rootmenu && (mode == singleMode ||
> (mode == symbolMode && rootEntry->parent != &rootmenu))) {
> item = (ConfigItem *)topLevelItem(0);
> if (!item && mode != symbolMode) {
> item = new ConfigItem(this, 0, true);
> last = item;
> }
> }
>
> (Btw, I almost sent a patch making the "goParent" parameter explict
> when creating ConfigItem)
>
> So, even before this patch, the goback button is only displayed on
> singleMode and symbolMode (with is one of the internal representations
> for the split mode).
>
> This patch should solve the split mode case.
>
> >
> >
> > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> > > ---
> > > scripts/kconfig/qconf.cc | 5 +++--
> > > 1 file changed, 3 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
> > > index d0bcc0b717f0..f49fbac91995 100644
> > > --- a/scripts/kconfig/qconf.cc
> > > +++ b/scripts/kconfig/qconf.cc
> > > @@ -437,9 +437,10 @@ void ConfigList::updateList(ConfigItem* item)
> > > if (rootEntry != &rootmenu && (mode == singleMode ||
> > > (mode == symbolMode && rootEntry->parent != &rootmenu))) {
> > > item = (ConfigItem *)topLevelItem(0);
> > > - if (!item)
> > > + if (!item && mode != symbolMode) {
> > > item = new ConfigItem(this, 0, true);
> > > - last = item;
> > > + last = item;
> > > + }
> > > }
> > > if ((mode == singleMode || (mode == symbolMode && !(rootEntry->flags & MENU_ROOT))) &&
> > > rootEntry->sym && rootEntry->prompt) {
> > > --
> > > 2.26.2
> > >
> >
> >
>
>
>
> Thanks,
> Mauro



--
Best Regards
Masahiro Yamada