From: Huasen Zhang <huasenzh...@foxmail.com> Hello,
On Thu, 15 Jun 2023 12:57:55 +0200 Marc-André Lureau <marcandre.lur...@redhat.com> wrote: > Hi > > On Thu, Jun 15, 2023 at 12:36 PM Zhang Huasen <huasenzh...@foxmail.com> > wrote: > > > If the monitor or the serial port use STDIO as backend on Windows 11 host, > > e.g. -nographic options is used, the monitor or the guest Linux do not > > response to arrow keys. > > > > When Windows creates a console, ENABLE_VIRTUAL_PROCESS_INPUT is disabled > > by default. Arrow keys cannot be retrieved by ReadFile or ReadConsoleInput > > functions. > > > > Add ENABLE_VIRTUAL_PROCESS_INPUT to the flag which is passed to > > SetConsoleMode, > > when opening stdio console. > > > > Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1674 > > > > Signed-off-by: Zhang Huasen <huasenzh...@foxmail.com> > > --- > > chardev/char-win-stdio.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/chardev/char-win-stdio.c b/chardev/char-win-stdio.c > > index eb830eabd9..1a18999e78 100644 > > --- a/chardev/char-win-stdio.c > > +++ b/chardev/char-win-stdio.c > > @@ -190,7 +190,7 @@ static void qemu_chr_open_stdio(Chardev *chr, > > } > > } > > > > - dwMode |= ENABLE_LINE_INPUT; > > + dwMode |= ENABLE_LINE_INPUT | ENABLE_VIRTUAL_TERMINAL_INPUT; > > > > I think we should set it only when is_console (although that may not make a > difference otherwise) It is okay to set ENABLE_VIRTUAL_TERMINAL_INPUT only when is_console is TRUE. I do not understand some points of original code. If the stdin is not a console, i.e. GetConsoleMode fails, we still call SetConsoleMode and set ENABLE_LINE_INPUT. Could you please tell what the purpose is? > thanks > > > > if (is_console) { > > /* set the terminal in raw mode */ > > -- > > 2.41.0.windows.1 > > > >
