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[185.47.220.165]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a00cfec703sm84798375e9.6.2026.09.29.09.40.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2026 09:40:37 -0700 (PDT) From: Filip Hejsek Date: Tue, 29 Sep 2026 18:38:35 +0200 Subject: [PATCH v8 07/12] char-win-stdio: add support for terminal size MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260929-console-resize-v8-7-2ff9183f8750@gmail.com> References: <20260929-console-resize-v8-0-2ff9183f8750@gmail.com> In-Reply-To: <20260929-console-resize-v8-0-2ff9183f8750@gmail.com> To: qemu-devel@nongnu.org Cc: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , "Michael S. Tsirkin" , Laurent Vivier , Amit Shah , Markus Armbruster , Eric Blake , Eduardo Habkost , Marcel Apfelbaum , Yanan Wang , Zhao Liu , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Maximilian Immanuel Brandtner , Dominique Martinet , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1790700030; l=1838; i=filip.hejsek@gmail.com; s=20250912; h=from:subject:message-id; bh=AlK9dpw0pK3QXBcL0KO8rXDaSPzAjmGSoh0r1UYfc3w=; b=+G2UFULzvCdVHS8J5wf48uFs/99rUR3SRh1CMeCX6h1hGc4FT+o8UsAfp8YYDaJxkaUdXBCRr uQh61VfYyv9CRbEnesNTk9Os5m7iSy/Hqp6z23lkZhkNOZau0kVZu78 X-Developer-Key: i=filip.hejsek@gmail.com; a=ed25519; pk=nakB8gEK3oi+Q/5dBTMCy/LgZL47NP60z1jeDR6O/WU= Received-SPF: pass client-ip=2a00:1450:4864:31::10; envelope-from=filip.hejsek@gmail.com; helo=mail-wm2-x10.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Use GetConsoleScreenBufferInfo to obtain terminal size and set ENABLE_WINDOW_INPUT to receive resize notifications. Reviewed-by: Daniel P. Berrangé Signed-off-by: Filip Hejsek --- chardev/char-win-stdio.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/chardev/char-win-stdio.c b/chardev/char-win-stdio.c index 0deba3bffb..2132ae9a6b 100644 --- a/chardev/char-win-stdio.c +++ b/chardev/char-win-stdio.c @@ -44,6 +44,20 @@ typedef struct WinStdioChardev WinStdioChardev; DECLARE_INSTANCE_CHECKER(WinStdioChardev, WIN_STDIO_CHARDEV, TYPE_CHARDEV_WIN_STDIO) +static void win_stdio_chr_resize(Chardev *chr) +{ + HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); + CONSOLE_SCREEN_BUFFER_INFO ScreenBufferInfo; + + if (GetConsoleScreenBufferInfo(hStdOut, &ScreenBufferInfo)) { + uint16_t cols = ScreenBufferInfo.srWindow.Right + 1 + - ScreenBufferInfo.srWindow.Left; + uint16_t rows = ScreenBufferInfo.srWindow.Bottom + 1 + - ScreenBufferInfo.srWindow.Top; + qemu_chr_resize(chr, cols, rows); + } +} + static void win_stdio_wait_func(void *opaque) { Chardev *chr = CHARDEV(opaque); @@ -75,6 +89,9 @@ static void win_stdio_wait_func(void *opaque) } } } + if (buf[i].EventType == WINDOW_BUFFER_SIZE_EVENT) { + win_stdio_chr_resize(chr); + } } } @@ -201,6 +218,8 @@ static bool win_stdio_chr_open(Chardev *chr, } else { dwMode &= ~ENABLE_PROCESSED_INPUT; } + dwMode |= ENABLE_WINDOW_INPUT; + win_stdio_chr_resize(chr); } SetConsoleMode(stdio->hStdIn, dwMode); -- 2.55.0