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chardev/char-win-stdio: Support VT sequences on Windows 11 host

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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 <huasenzhang@foxmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <tencent_8DA57B405D427A560FD40F8FB0C0B1ADDE09@qq.com>
This commit is contained in:
Zhang Huasen 2023-06-15 18:35:00 +08:00 committed by Marc-André Lureau
parent b097b80bc9
commit 1e0c544673
1 changed files with 1 additions and 1 deletions
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2
chardev/char-win-stdio.c
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@ -190,7 +190,7 @@ static void qemu_chr_open_stdio(Chardev *chr,
}
}
dwMode |= ENABLE_LINE_INPUT;
dwMode |= ENABLE_LINE_INPUT | ENABLE_VIRTUAL_TERMINAL_INPUT;
if (is_console) {
/* set the terminal in raw mode */