Hi Marc-André,

Do you want me to resend the series with the review
tag incorporated? Or are you fine to pull as-is if there
is nothing left to address from my side?

--
Roman



On Wed, Feb 26, 2025 at 11:06 AM Marc-André Lureau
<marcandre.lur...@redhat.com> wrote:
>
> Hi,
>
> On Wed, Feb 26, 2025 at 11:59 AM Roman Penyaev <r.peni...@gmail.com> wrote:
> >
> > This patch series brings several fixes and improvements to the QEMU
> > virtual console (VC), making it more usable and aligning it better
> > with VT100 spec. The updates include support for inserting and
> > deleting characters, better cursor handling and correct position
> > reporting. Without these changes, the console is hardly usable.
> >
> > 1. Support for DCH (delete) and ICH (insert) commands
> >   * Properly handles character deletion and insertion as per VT100
> >     specs.
> >
> > 2. Add support for cursor save/restore (ESC 7 and ESC 8)
> >   * Implements legacy DEC sequences for compatibility.
> >   * Ensures cursor attributes are also saved and restored.
> >
> > 3. Fix cursor position reporting
> >   * Reports cursor position relative to the screen instead of the
> >     scroll buffer.
> >   * Fixes issues with tools that rely on accurate cursor placement.
> >
> > 4. Ensure DSR (Device Status Report) responses go to applications
> >   * Stops terminal from rendering responses to the screen but instead
> >     send reports back to applications.
> >
> > 5. Handle `ESC ( <ch>` character set sequences
> >   * Makes `top` output look clean by handling the character set
> >     commands.
> >
> > These changes improve the virtual console's compatibility with
> > terminal-based apps. Without them, the console is quite frustrating to
> > use.
> >
> > v1 .. v2:
> >
> > * The VT spec and ECMA-48 standard are somewhat vague about exactly
> >   what attributes should be set for the ICH (insert character),
> >   but various terminal implementations reset the character to the
> >   default state. Instead of inserting a "space" with the current
> >   attribute, call `vc_clear_xy()` for the inserted character.
> >
> > Signed-off-by: Roman Penyaev <r.peni...@gmail.com>
> > Cc: "Marc-André Lureau" <marcandre.lur...@redhat.com>
> > Cc: Kevin Wolf <kw...@redhat.com>
> > Cc: Daniel P. Berrange <berra...@redhat.com>
> > Cc: qemu-devel@nongnu.org
>
> lgtm,
>
> Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com>
>
> >
> > Roman Penyaev (5):
> >   ui/console-vc: introduce parsing of the 'ESC ( <ch>' sequence
> >   ui/console-vc: report to the application instead of screen rendering
> >   ui/console-vc: report cursor position in the screen not in the scroll
> >     buffer
> >   ui/console-vc: add support for cursor DECSC and DECRC commands
> >   ui/console-vc: implement DCH (delete) and ICH (insert) commands
> >
> >  ui/console-vc.c | 154 ++++++++++++++++++++++++++++++++++++++++++++----
> >  1 file changed, 142 insertions(+), 12 deletions(-)
> >
> > --
> > 2.43.0
> >
>

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